304 files changed, 10273 insertions, 5837 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index c7a581a96894..d24c4644b930 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -18,6 +18,8 @@
  *              2 of the License, or (at your option) any later version.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/capability.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
@@ -149,13 +151,13 @@ int vlan_check_real_dev(struct net_device *real_dev, u16 vlan_id)
         const struct net_device_ops *ops = real_dev->netdev_ops;
 
         if (real_dev->features & NETIF_F_VLAN_CHALLENGED) {
-                pr_info("8021q: VLANs not supported on %s\n", name);
+                pr_info("VLANs not supported on %s\n", name);
                 return -EOPNOTSUPP;
         }
 
         if ((real_dev->features & NETIF_F_HW_VLAN_FILTER) &&
             (!ops->ndo_vlan_rx_add_vid || !ops->ndo_vlan_rx_kill_vid)) {
-                pr_info("8021q: Device %s has buggy VLAN hw accel\n", name);
+                pr_info("Device %s has buggy VLAN hw accel\n", name);
                 return -EOPNOTSUPP;
         }
 
@@ -205,7 +207,7 @@ int register_vlan_dev(struct net_device *dev)
         grp->nr_vlans++;
 
         if (ngrp) {
-                if (ops->ndo_vlan_rx_register)
+                if (ops->ndo_vlan_rx_register && (real_dev->features & NETIF_F_HW_VLAN_RX))
                         ops->ndo_vlan_rx_register(real_dev, ngrp);
                 rcu_assign_pointer(real_dev->vlgrp, ngrp);
         }
@@ -344,13 +346,12 @@ static void __vlan_device_event(struct net_device *dev, unsigned long event)
         case NETDEV_CHANGENAME:
                 vlan_proc_rem_dev(dev);
                 if (vlan_proc_add_dev(dev) < 0)
-                        pr_warning("8021q: failed to change proc name for %s\n",
-                                        dev->name);
+                        pr_warn("failed to change proc name for %s\n",
+                                dev->name);
                 break;
         case NETDEV_REGISTER:
                 if (vlan_proc_add_dev(dev) < 0)
-                        pr_warning("8021q: failed to add proc entry for %s\n",
-                                        dev->name);
+                        pr_warn("failed to add proc entry for %s\n", dev->name);
                 break;
         case NETDEV_UNREGISTER:
                 vlan_proc_rem_dev(dev);
@@ -374,7 +375,7 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event,
         if ((event == NETDEV_UP) &&
             (dev->features & NETIF_F_HW_VLAN_FILTER) &&
             dev->netdev_ops->ndo_vlan_rx_add_vid) {
-                pr_info("8021q: adding VLAN 0 to HW filter on device %s\n",
+                pr_info("adding VLAN 0 to HW filter on device %s\n",
                         dev->name);
                 dev->netdev_ops->ndo_vlan_rx_add_vid(dev, 0);
         }
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index 41495dc2a4c9..fcc684678af6 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -23,6 +23,31 @@ bool vlan_do_receive(struct sk_buff **skbp)
                 return false;
 
         skb->dev = vlan_dev;
+        if (skb->pkt_type == PACKET_OTHERHOST) {
+                /* Our lower layer thinks this is not local, let's make sure.
+                 * This allows the VLAN to have a different MAC than the
+                 * underlying device, and still route correctly. */
+                if (!compare_ether_addr(eth_hdr(skb)->h_dest,
+                                        vlan_dev->dev_addr))
+                        skb->pkt_type = PACKET_HOST;
+        }
+
+        if (!(vlan_dev_info(vlan_dev)->flags & VLAN_FLAG_REORDER_HDR)) {
+                unsigned int offset = skb->data - skb_mac_header(skb);
+
+                /*
+                 * vlan_insert_tag expect skb->data pointing to mac header.
+                 * So change skb->data before calling it and change back to
+                 * original position later
+                 */
+                skb_push(skb, offset);
+                skb = *skbp = vlan_insert_tag(skb, skb->vlan_tci);
+                if (!skb)
+                        return false;
+                skb_pull(skb, offset + VLAN_HLEN);
+                skb_reset_mac_len(skb);
+        }
+
         skb->priority = vlan_get_ingress_priority(vlan_dev, skb->vlan_tci);
         skb->vlan_tci = 0;
 
@@ -31,22 +56,8 @@ bool vlan_do_receive(struct sk_buff **skbp)
         u64_stats_update_begin(&rx_stats->syncp);
         rx_stats->rx_packets++;
         rx_stats->rx_bytes += skb->len;
-
-        switch (skb->pkt_type) {
-        case PACKET_BROADCAST:
-                break;
-        case PACKET_MULTICAST:
+        if (skb->pkt_type == PACKET_MULTICAST)
                 rx_stats->rx_multicast++;
-                break;
-        case PACKET_OTHERHOST:
-                /* Our lower layer thinks this is not local, let's make sure.
-                 * This allows the VLAN to have a different MAC than the
-                 * underlying device, and still route correctly. */
-                if (!compare_ether_addr(eth_hdr(skb)->h_dest,
-                                        vlan_dev->dev_addr))
-                        skb->pkt_type = PACKET_HOST;
-                break;
-        }
         u64_stats_update_end(&rx_stats->syncp);
 
         return true;
@@ -89,18 +100,13 @@ gro_result_t vlan_gro_frags(struct napi_struct *napi, struct vlan_group *grp,
 }
 EXPORT_SYMBOL(vlan_gro_frags);
 
-static struct sk_buff *vlan_check_reorder_header(struct sk_buff *skb)
+static struct sk_buff *vlan_reorder_header(struct sk_buff *skb)
 {
-        if (vlan_dev_info(skb->dev)->flags & VLAN_FLAG_REORDER_HDR) {
-                if (skb_cow(skb, skb_headroom(skb)) < 0)
-                        skb = NULL;
-                if (skb) {
-                        /* Lifted from Gleb's VLAN code... */
-                        memmove(skb->data - ETH_HLEN,
-                                skb->data - VLAN_ETH_HLEN, 12);
-                        skb->mac_header += VLAN_HLEN;
-                }
-        }
+        if (skb_cow(skb, skb_headroom(skb)) < 0)
+                return NULL;
+        memmove(skb->data - ETH_HLEN, skb->data - VLAN_ETH_HLEN, 2 * ETH_ALEN);
+        skb->mac_header += VLAN_HLEN;
+        skb_reset_mac_len(skb);
         return skb;
 }
 
@@ -161,7 +167,7 @@ struct sk_buff *vlan_untag(struct sk_buff *skb)
         skb_pull_rcsum(skb, VLAN_HLEN);
         vlan_set_encap_proto(skb, vhdr);
 
-        skb = vlan_check_reorder_header(skb);
+        skb = vlan_reorder_header(skb);
         if (unlikely(!skb))
                 goto err_free;
 
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index f247f5bff88d..49bb75294b7d 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -20,6 +20,8 @@
  *              2 of the License, or (at your option) any later version.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/skbuff.h>
@@ -55,7 +57,7 @@ static int vlan_dev_rebuild_header(struct sk_buff *skb)
                 return arp_find(veth->h_dest, skb);
 #endif
         default:
-                pr_debug("%s: unable to resolve type %X addresses.\n",
+                pr_debug("%s: unable to resolve type %X addresses\n",
                          dev->name, ntohs(veth->h_vlan_encapsulated_proto));
 
                 memcpy(veth->h_source, dev->dev_addr, ETH_ALEN);
@@ -165,7 +167,7 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb,
                 u64_stats_update_begin(&stats->syncp);
                 stats->tx_packets++;
                 stats->tx_bytes += len;
-                u64_stats_update_begin(&stats->syncp);
+                u64_stats_update_end(&stats->syncp);
         } else {
                 this_cpu_inc(vlan_dev_info(dev)->vlan_pcpu_stats->tx_dropped);
         }
@@ -586,9 +588,13 @@ static void vlan_dev_uninit(struct net_device *dev)
 static u32 vlan_dev_fix_features(struct net_device *dev, u32 features)
 {
         struct net_device *real_dev = vlan_dev_info(dev)->real_dev;
+        u32 old_features = features;
 
         features &= real_dev->features;
         features &= real_dev->vlan_features;
+
+        features |= old_features & NETIF_F_SOFT_FEATURES;
+
         if (dev_ethtool_get_rx_csum(real_dev))
                 features |= NETIF_F_RXCSUM;
         features |= NETIF_F_LLTX;
diff --git a/net/8021q/vlanproc.c b/net/8021q/vlanproc.c
index d940c49d168a..d34b6daf8930 100644
--- a/net/8021q/vlanproc.c
+++ b/net/8021q/vlanproc.c
@@ -17,6 +17,8 @@
  * Jan 20, 1998        Ben Greear     Initial Version
  *****************************************************************************/
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
@@ -155,7 +157,7 @@ int __net_init vlan_proc_init(struct net *net)
         return 0;
 
 err:
-        pr_err("%s: can't create entry in proc filesystem!\n", __func__);
+        pr_err("can't create entry in proc filesystem!\n");
         vlan_proc_cleanup(net);
         return -ENOBUFS;
 }
@@ -229,7 +231,7 @@ static void *vlan_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
         ++*pos;
 
-        dev = (struct net_device *)v;
+        dev = v;
         if (v == SEQ_START_TOKEN)
                 dev = net_device_entry(&net->dev_base_head);
 
diff --git a/net/9p/Kconfig b/net/9p/Kconfig
index 7ed75c7bd5d1..d9ea09b11cf8 100644
--- a/net/9p/Kconfig
+++ b/net/9p/Kconfig
@@ -3,8 +3,8 @@
 #
 
 menuconfig NET_9P
-        depends on NET && EXPERIMENTAL
-        tristate "Plan 9 Resource Sharing Support (9P2000) (Experimental)"
+        depends on NET
+        tristate "Plan 9 Resource Sharing Support (9P2000)"
         help
           If you say Y here, you will get experimental support for
           Plan 9 resource sharing via the 9P2000 protocol.
@@ -16,8 +16,8 @@ menuconfig NET_9P
 if NET_9P
 
 config NET_9P_VIRTIO
-        depends on EXPERIMENTAL && VIRTIO
-        tristate "9P Virtio Transport (Experimental)"
+        depends on VIRTIO
+        tristate "9P Virtio Transport"
         help
           This builds support for a transports between
           guest partitions and a host partition.
diff --git a/net/9p/client.c b/net/9p/client.c
index ceab943dfc49..9e3b0e640da1 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -92,9 +92,6 @@ static int get_protocol_version(const substring_t *name)
         return version;
 }
 
-static struct p9_req_t *
-p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...);
-
 /**
  * parse_options - parse mount options into client structure
  * @opts: options string passed from mount
@@ -307,12 +304,13 @@ static int p9_tag_init(struct p9_client *c)
         c->tagpool = p9_idpool_create();
         if (IS_ERR(c->tagpool)) {
                 err = PTR_ERR(c->tagpool);
-                c->tagpool = NULL;
                 goto error;
         }
-
-        p9_idpool_get(c->tagpool); /* reserve tag 0 */
-
+        err = p9_idpool_get(c->tagpool); /* reserve tag 0 */
+        if (err < 0) {
+                p9_idpool_destroy(c->tagpool);
+                goto error;
+        }
         c->max_tag = 0;
 error:
         return err;
@@ -518,12 +516,15 @@ out_err:
         return err;
 }
 
+static struct p9_req_t *
+p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...);
+
 /**
  * p9_client_flush - flush (cancel) a request
  * @c: client state
  * @oldreq: request to cancel
  *
- * This sents a flush for a particular requests and links
+ * This sents a flush for a particular request and links
  * the flush request to the original request.  The current
  * code only supports a single flush request although the protocol
  * allows for multiple flush requests to be sent for a single request.
@@ -789,11 +790,13 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
         spin_lock_init(&clnt->lock);
         INIT_LIST_HEAD(&clnt->fidlist);
 
-        p9_tag_init(clnt);
+        err = p9_tag_init(clnt);
+        if (err < 0)
+                goto free_client;
 
         err = parse_opts(options, clnt);
         if (err < 0)
-                goto free_client;
+                goto destroy_tagpool;
 
         if (!clnt->trans_mod)
                 clnt->trans_mod = v9fs_get_default_trans();
@@ -802,13 +805,12 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
                 err = -EPROTONOSUPPORT;
                 P9_DPRINTK(P9_DEBUG_ERROR,
                                 "No transport defined or default transport\n");
-                goto free_client;
+                goto destroy_tagpool;
         }
 
         clnt->fidpool = p9_idpool_create();
         if (IS_ERR(clnt->fidpool)) {
                 err = PTR_ERR(clnt->fidpool);
-                clnt->fidpool = NULL;
                 goto put_trans;
         }
 
@@ -834,6 +836,8 @@ destroy_fidpool:
         p9_idpool_destroy(clnt->fidpool);
 put_trans:
         v9fs_put_trans(clnt->trans_mod);
+destroy_tagpool:
+        p9_idpool_destroy(clnt->tagpool);
 free_client:
         kfree(clnt);
         return ERR_PTR(err);
@@ -1298,7 +1302,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
         if (count < rsize)
                 rsize = count;
 
-        /* Don't bother zerocopy form small IO (< 1024) */
+        /* Don't bother zerocopy for small IO (< 1024) */
         if (((clnt->trans_mod->pref & P9_TRANS_PREF_PAYLOAD_MASK) ==
                         P9_TRANS_PREF_PAYLOAD_SEP) && (rsize > 1024)) {
                 req = p9_client_rpc(clnt, P9_TREAD, "dqE", fid->fid, offset,
diff --git a/net/9p/mod.c b/net/9p/mod.c
index cf8a4128cd5c..72c398275051 100644
--- a/net/9p/mod.c
+++ b/net/9p/mod.c
@@ -139,7 +139,7 @@ void v9fs_put_trans(struct p9_trans_module *m)
 }
 
 /**
- * v9fs_init - Initialize module
+ * init_p9 - Initialize module
  *
  */
 static int __init init_p9(void)
@@ -154,7 +154,7 @@ static int __init init_p9(void)
 }
 
 /**
- * v9fs_init - shutdown module
+ * exit_p9 - shutdown module
  *
  */
 
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 4a9084395d35..fdfdb5747f63 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -916,8 +916,8 @@ p9_fd_create_tcp(struct p9_client *client, const char *addr, char *args)
         sin_server.sin_family = AF_INET;
         sin_server.sin_addr.s_addr = in_aton(addr);
         sin_server.sin_port = htons(opts.port);
-        err = sock_create_kern(PF_INET, SOCK_STREAM, IPPROTO_TCP, &csocket);
-
+        err = __sock_create(read_pnet(&current->nsproxy->net_ns), PF_INET,
+                            SOCK_STREAM, IPPROTO_TCP, &csocket, 1);
         if (err) {
                 P9_EPRINTK(KERN_ERR, "p9_trans_tcp: problem creating socket\n");
                 return err;
@@ -954,7 +954,8 @@ p9_fd_create_unix(struct p9_client *client, const char *addr, char *args)
 
         sun_server.sun_family = PF_UNIX;
         strcpy(sun_server.sun_path, addr);
-        err = sock_create_kern(PF_UNIX, SOCK_STREAM, 0, &csocket);
+        err = __sock_create(read_pnet(&current->nsproxy->net_ns), PF_UNIX,
+                            SOCK_STREAM, 0, &csocket, 1);
         if (err < 0) {
                 P9_EPRINTK(KERN_ERR, "p9_trans_unix: problem creating socket\n");
                 return err;
diff --git a/net/9p/trans_rdma.c b/net/9p/trans_rdma.c
index 844a7a5607e3..159c50f1c6bf 100644
--- a/net/9p/trans_rdma.c
+++ b/net/9p/trans_rdma.c
@@ -589,7 +589,8 @@ rdma_create_trans(struct p9_client *client, const char *addr, char *args)
                 return -ENOMEM;
 
         /* Create the RDMA CM ID */
-        rdma->cm_id = rdma_create_id(p9_cm_event_handler, client, RDMA_PS_TCP);
+        rdma->cm_id = rdma_create_id(p9_cm_event_handler, client, RDMA_PS_TCP,
+                                     IB_QPT_RC);
         if (IS_ERR(rdma->cm_id))
                 goto error;
 
diff --git a/net/9p/util.c b/net/9p/util.c
index da6af81e59d9..9c1c9348ac35 100644
--- a/net/9p/util.c
+++ b/net/9p/util.c
@@ -93,7 +93,7 @@ int p9_idpool_get(struct p9_idpool *p)
 
 retry:
         if (idr_pre_get(&p->pool, GFP_NOFS) == 0)
-                return 0;
+                return -1;
 
         spin_lock_irqsave(&p->lock, flags);
 
diff --git a/net/TUNABLE b/net/TUNABLE
deleted file mode 100644
index 9913211f07a7..000000000000
--- a/net/TUNABLE
+++ /dev/null
@@ -1,50 +0,0 @@
-The following parameters should be tunable at compile time. Some of them
-exist as sysctls too.
-
-This is far from complete
-
-Item                    Description
-----------------------------------------------------------------------------
-MAX_LINKS               Maximum number of netlink minor devices. (1-32)
-RIF_TABLE_SIZE          Token ring RIF cache size (tunable)
-AARP_HASH_SIZE          Size of Appletalk hash table (tunable)
-AX25_DEF_T1             AX.25 parameters. These are all tunable via
-AX25_DEF_T2             SIOCAX25SETPARMS
-AX25_DEF_T3             T1-T3,N2 have the meanings in the specification
-AX25_DEF_N2
-AX25_DEF_AXDEFMODE      8 = normal 128 is PE1CHL extended
-AX25_DEF_IPDEFMODE      'D' - datagram  'V' - virtual connection
-AX25_DEF_BACKOFF        'E'xponential 'L'inear
-AX25_DEF_NETROM         Allow netrom 1=Y
-AX25_DF_TEXT            Allow PID=Text 1=Y
-AX25_DEF_WINDOW         Window for normal mode
-AX25_DEF_EWINDOW        Window for PE1CHL mode
-AX25_DEF_DIGI           1 for inband 2 for cross band 3 for both
-AX25_DEF_CONMODE        Allow connected modes 1=Yes
-AX25_ROUTE_MAX          AX.25 route cache size - no currently tunable
-Unnamed (16)            Number of protocol hash slots (tunable)
-DEV_NUMBUFFS            Number of priority levels (not easily tunable)
-Unnamed (300)           Maximum packet backlog queue (tunable)
-MAX_IOVEC               Maximum number of iovecs in a message (tunable)
-MIN_WINDOW              Offered minimum window (tunable)
-MAX_WINDOW              Offered maximum window (tunable)
-MAX_HEADER              Largest physical header (tunable)
-MAX_ADDR_LEN            Largest physical address (tunable)
-SOCK_ARRAY_SIZE         IP socket array hash size (tunable)
-IP_MAX_MEMBERSHIPS      Largest number of groups per socket (BSD style) (tunable)
-16                      Hard coded constant for amount of room allowed for
-                        cache align and faster forwarding (tunable)
-IP_FRAG_TIME            Time we hold a fragment for. (tunable)
-PORT_MASQ_BEGIN         First port reserved for masquerade (tunable)
-PORT_MASQ_END           Last port used for masquerade   (tunable)
-MASQUERADE_EXPIRE_TCP_FIN       Time we keep a masquerade for after a FIN
-MASQUERADE_EXPIRE_UDP   Time we keep a UDP masquerade for (tunable)
-MAXVIFS                 Maximum mrouted vifs (1-32)
-MFC_LINES               Lines in the multicast router cache (tunable)
-
-NetROM parameters are tunable via an ioctl passing a struct
-
-4000                    Size a Unix domain socket malloc falls back to 
-                        (tunable) should be 8K - a bit for 8K machines like
-                        the ALPHA
-
diff --git a/net/appletalk/aarp.c b/net/appletalk/aarp.c
index 50dce7981321..1acc69576df8 100644
--- a/net/appletalk/aarp.c
+++ b/net/appletalk/aarp.c
@@ -779,87 +779,87 @@ static int aarp_rcv(struct sk_buff *skb, struct net_device *dev,
         }
 
         switch (function) {
-                case AARP_REPLY:
-                        if (!unresolved_count)  /* Speed up */
-                                break;
-
-                        /* Find the entry.  */
-                        a = __aarp_find_entry(unresolved[hash], dev, &sa);
-                        if (!a || dev != a->dev)
-                                break;
+        case AARP_REPLY:
+                if (!unresolved_count)  /* Speed up */
+                        break;
 
-                        /* We can fill one in - this is good. */
-                        memcpy(a->hwaddr, ea->hw_src, ETH_ALEN);
-                        __aarp_resolved(&unresolved[hash], a, hash);
-                        if (!unresolved_count)
-                                mod_timer(&aarp_timer,
-                                          jiffies + sysctl_aarp_expiry_time);
+                /* Find the entry.  */
+                a = __aarp_find_entry(unresolved[hash], dev, &sa);
+                if (!a || dev != a->dev)
                         break;
 
-                case AARP_REQUEST:
-                case AARP_PROBE:
+                /* We can fill one in - this is good. */
+                memcpy(a->hwaddr, ea->hw_src, ETH_ALEN);
+                __aarp_resolved(&unresolved[hash], a, hash);
+                if (!unresolved_count)
+                        mod_timer(&aarp_timer,
+                                  jiffies + sysctl_aarp_expiry_time);
+                break;
+
+        case AARP_REQUEST:
+        case AARP_PROBE:
+
+                /*
+                 * If it is my address set ma to my address and reply.
+                 * We can treat probe and request the same.  Probe
+                 * simply means we shouldn't cache the querying host,
+                 * as in a probe they are proposing an address not
+                 * using one.
+                 *
+                 * Support for proxy-AARP added. We check if the
+                 * address is one of our proxies before we toss the
+                 * packet out.
+                 */
+
+                sa.s_node = ea->pa_dst_node;
+                sa.s_net  = ea->pa_dst_net;
+
+                /* See if we have a matching proxy. */
+                ma = __aarp_proxy_find(dev, &sa);
+                if (!ma)
+                        ma = &ifa->address;
+                else { /* We need to make a copy of the entry. */
+                        da.s_node = sa.s_node;
+                        da.s_net = sa.s_net;
+                        ma = &da;
+                }
 
+                if (function == AARP_PROBE) {
                         /*
-                         * If it is my address set ma to my address and reply.
-                         * We can treat probe and request the same.  Probe
-                         * simply means we shouldn't cache the querying host,
-                         * as in a probe they are proposing an address not
-                         * using one.
-                         *
-                         * Support for proxy-AARP added. We check if the
-                         * address is one of our proxies before we toss the
-                         * packet out.
+                         * A probe implies someone trying to get an
+                         * address. So as a precaution flush any
+                         * entries we have for this address.
                          */
+                        a = __aarp_find_entry(resolved[sa.s_node %
+                                                       (AARP_HASH_SIZE - 1)],
+                                              skb->dev, &sa);
 
-                        sa.s_node = ea->pa_dst_node;
-                        sa.s_net  = ea->pa_dst_net;
-
-                        /* See if we have a matching proxy. */
-                        ma = __aarp_proxy_find(dev, &sa);
-                        if (!ma)
-                                ma = &ifa->address;
-                        else { /* We need to make a copy of the entry. */
-                                da.s_node = sa.s_node;
-                                da.s_net = sa.s_net;
-                                ma = &da;
-                        }
-
-                        if (function == AARP_PROBE) {
-                                /*
-                                 * A probe implies someone trying to get an
-                                 * address. So as a precaution flush any
-                                 * entries we have for this address.
-                                 */
-                                a = __aarp_find_entry(resolved[sa.s_node %
-                                                          (AARP_HASH_SIZE - 1)],
-                                                      skb->dev, &sa);
-
-                                /*
-                                 * Make it expire next tick - that avoids us
-                                 * getting into a probe/flush/learn/probe/
-                                 * flush/learn cycle during probing of a slow
-                                 * to respond host addr.
-                                 */
-                                if (a) {
-                                        a->expires_at = jiffies - 1;
-                                        mod_timer(&aarp_timer, jiffies +
-                                                        sysctl_aarp_tick_time);
-                                }
+                        /*
+                         * Make it expire next tick - that avoids us
+                         * getting into a probe/flush/learn/probe/
+                         * flush/learn cycle during probing of a slow
+                         * to respond host addr.
+                         */
+                        if (a) {
+                                a->expires_at = jiffies - 1;
+                                mod_timer(&aarp_timer, jiffies +
+                                          sysctl_aarp_tick_time);
                         }
+                }
 
-                        if (sa.s_node != ma->s_node)
-                                break;
+                if (sa.s_node != ma->s_node)
+                        break;
 
-                        if (sa.s_net && ma->s_net && sa.s_net != ma->s_net)
-                                break;
+                if (sa.s_net && ma->s_net && sa.s_net != ma->s_net)
+                        break;
 
-                        sa.s_node = ea->pa_src_node;
-                        sa.s_net = ea->pa_src_net;
+                sa.s_node = ea->pa_src_node;
+                sa.s_net = ea->pa_src_net;
 
-                        /* aarp_my_address has found the address to use for us.
-                        */
-                        aarp_send_reply(dev, ma, &sa, ea->hw_src);
-                        break;
+                /* aarp_my_address has found the address to use for us.
+                 */
+                aarp_send_reply(dev, ma, &sa, ea->hw_src);
+                break;
         }
 
 unlock:
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 956a5302002a..b1fe7c35e8d1 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -684,192 +684,192 @@ static int atif_ioctl(int cmd, void __user *arg)
         atif = atalk_find_dev(dev);
 
         switch (cmd) {
-                case SIOCSIFADDR:
-                        if (!capable(CAP_NET_ADMIN))
-                                return -EPERM;
-                        if (sa->sat_family != AF_APPLETALK)
-                                return -EINVAL;
-                        if (dev->type != ARPHRD_ETHER &&
-                            dev->type != ARPHRD_LOOPBACK &&
-                            dev->type != ARPHRD_LOCALTLK &&
-                            dev->type != ARPHRD_PPP)
-                                return -EPROTONOSUPPORT;
-
-                        nr = (struct atalk_netrange *)&sa->sat_zero[0];
-                        add_route = 1;
-
-                        /*
-                         * if this is a point-to-point iface, and we already
-                         * have an iface for this AppleTalk address, then we
-                         * should not add a route
-                         */
-                        if ((dev->flags & IFF_POINTOPOINT) &&
-                            atalk_find_interface(sa->sat_addr.s_net,
-                                                 sa->sat_addr.s_node)) {
-                                printk(KERN_DEBUG "AppleTalk: point-to-point "
-                                                  "interface added with "
-                                                  "existing address\n");
-                                add_route = 0;
-                        }
+        case SIOCSIFADDR:
+                if (!capable(CAP_NET_ADMIN))
+                        return -EPERM;
+                if (sa->sat_family != AF_APPLETALK)
+                        return -EINVAL;
+                if (dev->type != ARPHRD_ETHER &&
+                    dev->type != ARPHRD_LOOPBACK &&
+                    dev->type != ARPHRD_LOCALTLK &&
+                    dev->type != ARPHRD_PPP)
+                        return -EPROTONOSUPPORT;
+
+                nr = (struct atalk_netrange *)&sa->sat_zero[0];
+                add_route = 1;
 
-                        /*
-                         * Phase 1 is fine on LocalTalk but we don't do
-                         * EtherTalk phase 1. Anyone wanting to add it go ahead.
-                         */
-                        if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
-                                return -EPROTONOSUPPORT;
-                        if (sa->sat_addr.s_node == ATADDR_BCAST ||
-                            sa->sat_addr.s_node == 254)
-                                return -EINVAL;
-                        if (atif) {
-                                /* Already setting address */
-                                if (atif->status & ATIF_PROBE)
-                                        return -EBUSY;
-
-                                atif->address.s_net  = sa->sat_addr.s_net;
-                                atif->address.s_node = sa->sat_addr.s_node;
-                                atrtr_device_down(dev); /* Flush old routes */
-                        } else {
-                                atif = atif_add_device(dev, &sa->sat_addr);
-                                if (!atif)
-                                        return -ENOMEM;
-                        }
-                        atif->nets = *nr;
-
-                        /*
-                         * Check if the chosen address is used. If so we
-                         * error and atalkd will try another.
-                         */
-
-                        if (!(dev->flags & IFF_LOOPBACK) &&
-                            !(dev->flags & IFF_POINTOPOINT) &&
-                            atif_probe_device(atif) < 0) {
-                                atif_drop_device(dev);
-                                return -EADDRINUSE;
-                        }
-
-                        /* Hey it worked - add the direct routes */
-                        sa = (struct sockaddr_at *)&rtdef.rt_gateway;
-                        sa->sat_family = AF_APPLETALK;
-                        sa->sat_addr.s_net  = atif->address.s_net;
-                        sa->sat_addr.s_node = atif->address.s_node;
-                        sa = (struct sockaddr_at *)&rtdef.rt_dst;
-                        rtdef.rt_flags = RTF_UP;
-                        sa->sat_family = AF_APPLETALK;
-                        sa->sat_addr.s_node = ATADDR_ANYNODE;
-                        if (dev->flags & IFF_LOOPBACK ||
-                            dev->flags & IFF_POINTOPOINT)
-                                rtdef.rt_flags |= RTF_HOST;
-
-                        /* Routerless initial state */
-                        if (nr->nr_firstnet == htons(0) &&
-                            nr->nr_lastnet == htons(0xFFFE)) {
-                                sa->sat_addr.s_net = atif->address.s_net;
-                                atrtr_create(&rtdef, dev);
-                                atrtr_set_default(dev);
-                        } else {
-                                limit = ntohs(nr->nr_lastnet);
-                                if (limit - ntohs(nr->nr_firstnet) > 4096) {
-                                        printk(KERN_WARNING "Too many routes/"
-                                                            "iface.\n");
-                                        return -EINVAL;
-                                }
-                                if (add_route)
-                                        for (ct = ntohs(nr->nr_firstnet);
-                                             ct <= limit; ct++) {
-                                                sa->sat_addr.s_net = htons(ct);
-                                                atrtr_create(&rtdef, dev);
-                                        }
-                        }
-                        dev_mc_add_global(dev, aarp_mcast);
-                        return 0;
+                /*
+                 * if this is a point-to-point iface, and we already
+                 * have an iface for this AppleTalk address, then we
+                 * should not add a route
+                 */
+                if ((dev->flags & IFF_POINTOPOINT) &&
+                    atalk_find_interface(sa->sat_addr.s_net,
+                                         sa->sat_addr.s_node)) {
+                        printk(KERN_DEBUG "AppleTalk: point-to-point "
+                               "interface added with "
+                               "existing address\n");
+                        add_route = 0;
+                }
 
-                case SIOCGIFADDR:
+                /*
+                 * Phase 1 is fine on LocalTalk but we don't do
+                 * EtherTalk phase 1. Anyone wanting to add it go ahead.
+                 */
+                if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
+                        return -EPROTONOSUPPORT;
+                if (sa->sat_addr.s_node == ATADDR_BCAST ||
+                    sa->sat_addr.s_node == 254)
+                        return -EINVAL;
+                if (atif) {
+                        /* Already setting address */
+                        if (atif->status & ATIF_PROBE)
+                                return -EBUSY;
+
+                        atif->address.s_net  = sa->sat_addr.s_net;
+                        atif->address.s_node = sa->sat_addr.s_node;
+                        atrtr_device_down(dev); /* Flush old routes */
+                } else {
+                        atif = atif_add_device(dev, &sa->sat_addr);
                         if (!atif)
-                                return -EADDRNOTAVAIL;
+                                return -ENOMEM;
+                }
+                atif->nets = *nr;
 
-                        sa->sat_family = AF_APPLETALK;
-                        sa->sat_addr = atif->address;
-                        break;
+                /*
+                 * Check if the chosen address is used. If so we
+                 * error and atalkd will try another.
+                 */
 
-                case SIOCGIFBRDADDR:
-                        if (!atif)
-                                return -EADDRNOTAVAIL;
+                if (!(dev->flags & IFF_LOOPBACK) &&
+                    !(dev->flags & IFF_POINTOPOINT) &&
+                    atif_probe_device(atif) < 0) {
+                        atif_drop_device(dev);
+                        return -EADDRINUSE;
+                }
 
-                        sa->sat_family = AF_APPLETALK;
+                /* Hey it worked - add the direct routes */
+                sa = (struct sockaddr_at *)&rtdef.rt_gateway;
+                sa->sat_family = AF_APPLETALK;
+                sa->sat_addr.s_net  = atif->address.s_net;
+                sa->sat_addr.s_node = atif->address.s_node;
+                sa = (struct sockaddr_at *)&rtdef.rt_dst;
+                rtdef.rt_flags = RTF_UP;
+                sa->sat_family = AF_APPLETALK;
+                sa->sat_addr.s_node = ATADDR_ANYNODE;
+                if (dev->flags & IFF_LOOPBACK ||
+                    dev->flags & IFF_POINTOPOINT)
+                        rtdef.rt_flags |= RTF_HOST;
+
+                /* Routerless initial state */
+                if (nr->nr_firstnet == htons(0) &&
+                    nr->nr_lastnet == htons(0xFFFE)) {
                         sa->sat_addr.s_net = atif->address.s_net;
-                        sa->sat_addr.s_node = ATADDR_BCAST;
-                        break;
-
-                case SIOCATALKDIFADDR:
-                case SIOCDIFADDR:
-                        if (!capable(CAP_NET_ADMIN))
-                                return -EPERM;
-                        if (sa->sat_family != AF_APPLETALK)
+                        atrtr_create(&rtdef, dev);
+                        atrtr_set_default(dev);
+                } else {
+                        limit = ntohs(nr->nr_lastnet);
+                        if (limit - ntohs(nr->nr_firstnet) > 4096) {
+                                printk(KERN_WARNING "Too many routes/"
+                                       "iface.\n");
                                 return -EINVAL;
-                        atalk_dev_down(dev);
-                        break;
-
-                case SIOCSARP:
-                        if (!capable(CAP_NET_ADMIN))
-                                return -EPERM;
-                        if (sa->sat_family != AF_APPLETALK)
-                                return -EINVAL;
-                        /*
-                         * for now, we only support proxy AARP on ELAP;
-                         * we should be able to do it for LocalTalk, too.
-                         */
-                        if (dev->type != ARPHRD_ETHER)
-                                return -EPROTONOSUPPORT;
-
-                        /*
-                         * atif points to the current interface on this network;
-                         * we aren't concerned about its current status (at
-                         * least for now), but it has all the settings about
-                         * the network we're going to probe. Consequently, it
-                         * must exist.
-                         */
-                        if (!atif)
-                                return -EADDRNOTAVAIL;
+                        }
+                        if (add_route)
+                                for (ct = ntohs(nr->nr_firstnet);
+                                     ct <= limit; ct++) {
+                                        sa->sat_addr.s_net = htons(ct);
+                                        atrtr_create(&rtdef, dev);
+                                }
+                }
+                dev_mc_add_global(dev, aarp_mcast);
+                return 0;
+
+        case SIOCGIFADDR:
+                if (!atif)
+                        return -EADDRNOTAVAIL;
+
+                sa->sat_family = AF_APPLETALK;
+                sa->sat_addr = atif->address;
+                break;
+
+        case SIOCGIFBRDADDR:
+                if (!atif)
+                        return -EADDRNOTAVAIL;
+
+                sa->sat_family = AF_APPLETALK;
+                sa->sat_addr.s_net = atif->address.s_net;
+                sa->sat_addr.s_node = ATADDR_BCAST;
+                break;
+
+        case SIOCATALKDIFADDR:
+        case SIOCDIFADDR:
+                if (!capable(CAP_NET_ADMIN))
+                        return -EPERM;
+                if (sa->sat_family != AF_APPLETALK)
+                        return -EINVAL;
+                atalk_dev_down(dev);
+                break;
 
-                        nr = (struct atalk_netrange *)&(atif->nets);
-                        /*
-                         * Phase 1 is fine on Localtalk but we don't do
-                         * Ethertalk phase 1. Anyone wanting to add it go ahead.
-                         */
-                        if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
-                                return -EPROTONOSUPPORT;
+        case SIOCSARP:
+                if (!capable(CAP_NET_ADMIN))
+                        return -EPERM;
+                if (sa->sat_family != AF_APPLETALK)
+                        return -EINVAL;
+                /*
+                 * for now, we only support proxy AARP on ELAP;
+                 * we should be able to do it for LocalTalk, too.
+                 */
+                if (dev->type != ARPHRD_ETHER)
+                        return -EPROTONOSUPPORT;
 
-                        if (sa->sat_addr.s_node == ATADDR_BCAST ||
-                            sa->sat_addr.s_node == 254)
-                                return -EINVAL;
+                /*
+                 * atif points to the current interface on this network;
+                 * we aren't concerned about its current status (at
+                 * least for now), but it has all the settings about
+                 * the network we're going to probe. Consequently, it
+                 * must exist.
+                 */
+                if (!atif)
+                        return -EADDRNOTAVAIL;
 
-                        /*
-                         * Check if the chosen address is used. If so we
-                         * error and ATCP will try another.
-                         */
-                        if (atif_proxy_probe_device(atif, &(sa->sat_addr)) < 0)
-                                return -EADDRINUSE;
+                nr = (struct atalk_netrange *)&(atif->nets);
+                /*
+                 * Phase 1 is fine on Localtalk but we don't do
+                 * Ethertalk phase 1. Anyone wanting to add it go ahead.
+                 */
+                if (dev->type == ARPHRD_ETHER && nr->nr_phase != 2)
+                        return -EPROTONOSUPPORT;
 
-                        /*
-                         * We now have an address on the local network, and
-                         * the AARP code will defend it for us until we take it
-                         * down. We don't set up any routes right now, because
-                         * ATCP will install them manually via SIOCADDRT.
-                         */
-                        break;
+                if (sa->sat_addr.s_node == ATADDR_BCAST ||
+                    sa->sat_addr.s_node == 254)
+                        return -EINVAL;
 
-                case SIOCDARP:
-                        if (!capable(CAP_NET_ADMIN))
-                                return -EPERM;
-                        if (sa->sat_family != AF_APPLETALK)
-                                return -EINVAL;
-                        if (!atif)
-                                return -EADDRNOTAVAIL;
+                /*
+                 * Check if the chosen address is used. If so we
+                 * error and ATCP will try another.
+                 */
+                if (atif_proxy_probe_device(atif, &(sa->sat_addr)) < 0)
+                        return -EADDRINUSE;
 
-                        /* give to aarp module to remove proxy entry */
-                        aarp_proxy_remove(atif->dev, &(sa->sat_addr));
-                        return 0;
+                /*
+                 * We now have an address on the local network, and
+                 * the AARP code will defend it for us until we take it
+                 * down. We don't set up any routes right now, because
+                 * ATCP will install them manually via SIOCADDRT.
+                 */
+                break;
+
+        case SIOCDARP:
+                if (!capable(CAP_NET_ADMIN))
+                        return -EPERM;
+                if (sa->sat_family != AF_APPLETALK)
+                        return -EINVAL;
+                if (!atif)
+                        return -EADDRNOTAVAIL;
+
+                /* give to aarp module to remove proxy entry */
+                aarp_proxy_remove(atif->dev, &(sa->sat_addr));
+                return 0;
         }
 
         return copy_to_user(arg, &atreq, sizeof(atreq)) ? -EFAULT : 0;
@@ -884,25 +884,25 @@ static int atrtr_ioctl(unsigned int cmd, void __user *arg)
                 return -EFAULT;
 
         switch (cmd) {
-                case SIOCDELRT:
-                        if (rt.rt_dst.sa_family != AF_APPLETALK)
-                                return -EINVAL;
-                        return atrtr_delete(&((struct sockaddr_at *)
-                                                &rt.rt_dst)->sat_addr);
-
-                case SIOCADDRT: {
-                        struct net_device *dev = NULL;
-                        if (rt.rt_dev) {
-                                char name[IFNAMSIZ];
-                                if (copy_from_user(name, rt.rt_dev, IFNAMSIZ-1))
-                                        return -EFAULT;
-                                name[IFNAMSIZ-1] = '\0';
-                                dev = __dev_get_by_name(&init_net, name);
-                                if (!dev)
-                                        return -ENODEV;
-                        }
-                        return atrtr_create(&rt, dev);
+        case SIOCDELRT:
+                if (rt.rt_dst.sa_family != AF_APPLETALK)
+                        return -EINVAL;
+                return atrtr_delete(&((struct sockaddr_at *)
+                                      &rt.rt_dst)->sat_addr);
+
+        case SIOCADDRT: {
+                struct net_device *dev = NULL;
+                if (rt.rt_dev) {
+                        char name[IFNAMSIZ];
+                        if (copy_from_user(name, rt.rt_dev, IFNAMSIZ-1))
+                                return -EFAULT;
+                        name[IFNAMSIZ-1] = '\0';
+                        dev = __dev_get_by_name(&init_net, name);
+                        if (!dev)
+                                return -ENODEV;
                 }
+                return atrtr_create(&rt, dev);
+        }
         }
         return -EINVAL;
 }
diff --git a/net/atm/lec.c b/net/atm/lec.c
index 25073b6ef474..ba48daa68c1f 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1171,7 +1171,7 @@ static int __init lane_module_init(void)
 #endif
 
         register_atm_ioctl(&lane_ioctl_ops);
-        pr_info("lec.c: " __DATE__ " " __TIME__ " initialized\n");
+        pr_info("lec.c: initialized\n");
         return 0;
 }
 
diff --git a/net/atm/mpc.c b/net/atm/mpc.c
index 644cdf071642..aa972409f093 100644
--- a/net/atm/mpc.c
+++ b/net/atm/mpc.c
@@ -1005,7 +1005,7 @@ static int mpoa_event_listener(struct notifier_block *mpoa_notifier,
         struct mpoa_client *mpc;
         struct lec_priv *priv;
 
-        dev = (struct net_device *)dev_ptr;
+        dev = dev_ptr;
 
         if (!net_eq(dev_net(dev), &init_net))
                 return NOTIFY_DONE;
@@ -1482,7 +1482,7 @@ static __init int atm_mpoa_init(void)
         if (mpc_proc_init() != 0)
                 pr_info("failed to initialize /proc/mpoa\n");
 
-        pr_info("mpc.c: " __DATE__ " " __TIME__ " initialized\n");
+        pr_info("mpc.c: initialized\n");
 
         return 0;
 }
diff --git a/net/atm/pppoatm.c b/net/atm/pppoatm.c
index e9aced0ec56b..db4a11c61d15 100644
--- a/net/atm/pppoatm.c
+++ b/net/atm/pppoatm.c
@@ -37,6 +37,7 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/skbuff.h>
 #include <linux/slab.h>
 #include <linux/atm.h>
diff --git a/net/batman-adv/Kconfig b/net/batman-adv/Kconfig
index 6c051ad833eb..2b68d068eaf3 100644
--- a/net/batman-adv/Kconfig
+++ b/net/batman-adv/Kconfig
@@ -5,6 +5,7 @@
 config BATMAN_ADV
         tristate "B.A.T.M.A.N. Advanced Meshing Protocol"
         depends on NET
+        select CRC16
         default n
         ---help---
 
diff --git a/net/batman-adv/aggregation.c b/net/batman-adv/aggregation.c
index a8c32030527c..69467fe71ff2 100644
--- a/net/batman-adv/aggregation.c
+++ b/net/batman-adv/aggregation.c
@@ -20,28 +20,26 @@
  */
 
 #include "main.h"
+#include "translation-table.h"
 #include "aggregation.h"
 #include "send.h"
 #include "routing.h"
 #include "hard-interface.h"
 
-/* calculate the size of the tt information for a given packet */
-static int tt_len(struct batman_packet *batman_packet)
-{
-        return batman_packet->num_tt * ETH_ALEN;
-}
-
 /* return true if new_packet can be aggregated with forw_packet */
-static bool can_aggregate_with(struct batman_packet *new_batman_packet,
+static bool can_aggregate_with(const struct batman_packet *new_batman_packet,
+                               struct bat_priv *bat_priv,
                                int packet_len,
                                unsigned long send_time,
                                bool directlink,
-                               struct hard_iface *if_incoming,
-                               struct forw_packet *forw_packet)
+                               const struct hard_iface *if_incoming,
+                               const struct forw_packet *forw_packet)
 {
         struct batman_packet *batman_packet =
                 (struct batman_packet *)forw_packet->skb->data;
         int aggregated_bytes = forw_packet->packet_len + packet_len;
+        struct hard_iface *primary_if = NULL;
+        bool res = false;
 
         /**
          * we can aggregate the current packet to this aggregated packet
@@ -66,6 +64,10 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
                  *    packet
                  */
 
+                primary_if = primary_if_get_selected(bat_priv);
+                if (!primary_if)
+                        goto out;
+
                 /* packets without direct link flag and high TTL
                  * are flooded through the net  */
                 if ((!directlink) &&
@@ -75,8 +77,10 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
                     /* own packets originating non-primary
                      * interfaces leave only that interface */
                     ((!forw_packet->own) ||
-                     (forw_packet->if_incoming->if_num == 0)))
-                        return true;
+                     (forw_packet->if_incoming == primary_if))) {
+                        res = true;
+                        goto out;
+                }
 
                 /* if the incoming packet is sent via this one
                  * interface only - we still can aggregate */
@@ -89,16 +93,22 @@ static bool can_aggregate_with(struct batman_packet *new_batman_packet,
                      * (= secondary interface packets in general) */
                     (batman_packet->flags & DIRECTLINK ||
                      (forw_packet->own &&
-                      forw_packet->if_incoming->if_num != 0)))
-                        return true;
+                      forw_packet->if_incoming != primary_if))) {
+                        res = true;
+                        goto out;
+                }
         }
 
-        return false;
+out:
+        if (primary_if)
+                hardif_free_ref(primary_if);
+        return res;
 }
 
 /* create a new aggregated packet and add this packet to it */
-static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
-                                  unsigned long send_time, bool direct_link,
+static void new_aggregated_packet(const unsigned char *packet_buff,
+                                  int packet_len, unsigned long send_time,
+                                  bool direct_link,
                                   struct hard_iface *if_incoming,
                                   int own_packet)
 {
@@ -118,7 +128,7 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
                 }
         }
 
-        forw_packet_aggr = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
+        forw_packet_aggr = kmalloc(sizeof(*forw_packet_aggr), GFP_ATOMIC);
         if (!forw_packet_aggr) {
                 if (!own_packet)
                         atomic_inc(&bat_priv->batman_queue_left);
@@ -150,7 +160,7 @@ static void new_aggregated_packet(unsigned char *packet_buff, int packet_len,
         forw_packet_aggr->own = own_packet;
         forw_packet_aggr->if_incoming = if_incoming;
         forw_packet_aggr->num_packets = 0;
-        forw_packet_aggr->direct_link_flags = 0;
+        forw_packet_aggr->direct_link_flags = NO_FLAGS;
         forw_packet_aggr->send_time = send_time;
 
         /* save packet direct link flag status */
@@ -176,8 +186,7 @@ out:
 
 /* aggregate a new packet into the existing aggregation */
 static void aggregate(struct forw_packet *forw_packet_aggr,
-                      unsigned char *packet_buff,
-                      int packet_len,
+                      const unsigned char *packet_buff, int packet_len,
                       bool direct_link)
 {
         unsigned char *skb_buff;
@@ -195,7 +204,7 @@ static void aggregate(struct forw_packet *forw_packet_aggr,
 
 void add_bat_packet_to_list(struct bat_priv *bat_priv,
                             unsigned char *packet_buff, int packet_len,
-                            struct hard_iface *if_incoming, char own_packet,
+                            struct hard_iface *if_incoming, int own_packet,
                             unsigned long send_time)
 {
         /**
@@ -215,6 +224,7 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv,
                 hlist_for_each_entry(forw_packet_pos, tmp_node,
                                      &bat_priv->forw_bat_list, list) {
                         if (can_aggregate_with(batman_packet,
+                                               bat_priv,
                                                packet_len,
                                                send_time,
                                                direct_link,
@@ -253,8 +263,9 @@ void add_bat_packet_to_list(struct bat_priv *bat_priv,
 }
 
 /* unpack the aggregated packets and process them one by one */
-void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
-                             int packet_len, struct hard_iface *if_incoming)
+void receive_aggr_bat_packet(const struct ethhdr *ethhdr,
+                             unsigned char *packet_buff, int packet_len,
+                             struct hard_iface *if_incoming)
 {
         struct batman_packet *batman_packet;
         int buff_pos = 0;
@@ -263,18 +274,20 @@ void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
         batman_packet = (struct batman_packet *)packet_buff;
 
         do {
-                /* network to host order for our 32bit seqno, and the
-                   orig_interval. */
+                /* network to host order for our 32bit seqno and the
+                   orig_interval */
                 batman_packet->seqno = ntohl(batman_packet->seqno);
+                batman_packet->tt_crc = ntohs(batman_packet->tt_crc);
 
                 tt_buff = packet_buff + buff_pos + BAT_PACKET_LEN;
-                receive_bat_packet(ethhdr, batman_packet,
-                                   tt_buff, tt_len(batman_packet),
-                                   if_incoming);
 
-                buff_pos += BAT_PACKET_LEN + tt_len(batman_packet);
+                receive_bat_packet(ethhdr, batman_packet, tt_buff, if_incoming);
+
+                buff_pos += BAT_PACKET_LEN +
+                        tt_len(batman_packet->tt_num_changes);
+
                 batman_packet = (struct batman_packet *)
                         (packet_buff + buff_pos);
         } while (aggregated_packet(buff_pos, packet_len,
-                                   batman_packet->num_tt));
+                                   batman_packet->tt_num_changes));
 }
diff --git a/net/batman-adv/aggregation.h b/net/batman-adv/aggregation.h
index 7e6d72fbf540..216337bb841f 100644
--- a/net/batman-adv/aggregation.h
+++ b/net/batman-adv/aggregation.h
@@ -25,9 +25,11 @@
 #include "main.h"
 
 /* is there another aggregated packet here? */
-static inline int aggregated_packet(int buff_pos, int packet_len, int num_tt)
+static inline int aggregated_packet(int buff_pos, int packet_len,
+                                    int tt_num_changes)
 {
-        int next_buff_pos = buff_pos + BAT_PACKET_LEN + (num_tt * ETH_ALEN);
+        int next_buff_pos = buff_pos + BAT_PACKET_LEN + (tt_num_changes *
+                                                sizeof(struct tt_change));
 
         return (next_buff_pos <= packet_len) &&
                 (next_buff_pos <= MAX_AGGREGATION_BYTES);
@@ -35,9 +37,10 @@ static inline int aggregated_packet(int buff_pos, int packet_len, int num_tt)
 
 void add_bat_packet_to_list(struct bat_priv *bat_priv,
                             unsigned char *packet_buff, int packet_len,
-                            struct hard_iface *if_incoming, char own_packet,
+                            struct hard_iface *if_incoming, int own_packet,
                             unsigned long send_time);
-void receive_aggr_bat_packet(struct ethhdr *ethhdr, unsigned char *packet_buff,
-                             int packet_len, struct hard_iface *if_incoming);
+void receive_aggr_bat_packet(const struct ethhdr *ethhdr,
+                             unsigned char *packet_buff, int packet_len,
+                             struct hard_iface *if_incoming);
 
 #endif /* _NET_BATMAN_ADV_AGGREGATION_H_ */
diff --git a/net/batman-adv/bat_debugfs.c b/net/batman-adv/bat_debugfs.c
index abaeec5f6247..d0af9bf69e46 100644
--- a/net/batman-adv/bat_debugfs.c
+++ b/net/batman-adv/bat_debugfs.c
@@ -50,7 +50,8 @@ static void emit_log_char(struct debug_log *debug_log, char c)
                 debug_log->log_start = debug_log->log_end - log_buff_len;
 }
 
-static int fdebug_log(struct debug_log *debug_log, char *fmt, ...)
+__printf(2, 3)
+static int fdebug_log(struct debug_log *debug_log, const char *fmt, ...)
 {
         va_list args;
         static char debug_log_buf[256];
@@ -74,14 +75,14 @@ static int fdebug_log(struct debug_log *debug_log, char *fmt, ...)
         return 0;
 }
 
-int debug_log(struct bat_priv *bat_priv, char *fmt, ...)
+int debug_log(struct bat_priv *bat_priv, const char *fmt, ...)
 {
         va_list args;
         char tmp_log_buf[256];
 
         va_start(args, fmt);
         vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
-        fdebug_log(bat_priv->debug_log, "[%10u] %s",
+        fdebug_log(bat_priv->debug_log, "[%10lu] %s",
                    (jiffies / HZ), tmp_log_buf);
         va_end(args);
 
@@ -114,7 +115,7 @@ static ssize_t log_read(struct file *file, char __user *buf,
             !(debug_log->log_end - debug_log->log_start))
                 return -EAGAIN;
 
-        if ((!buf) || (count < 0))
+        if (!buf)
                 return -EINVAL;
 
         if (count == 0)
@@ -184,7 +185,7 @@ static int debug_log_setup(struct bat_priv *bat_priv)
         if (!bat_priv->debug_dir)
                 goto err;
 
-        bat_priv->debug_log = kzalloc(sizeof(struct debug_log), GFP_ATOMIC);
+        bat_priv->debug_log = kzalloc(sizeof(*bat_priv->debug_log), GFP_ATOMIC);
         if (!bat_priv->debug_log)
                 goto err;
 
diff --git a/net/batman-adv/bat_sysfs.c b/net/batman-adv/bat_sysfs.c
index 497a0700cc3c..cd15deba60a1 100644
--- a/net/batman-adv/bat_sysfs.c
+++ b/net/batman-adv/bat_sysfs.c
@@ -28,9 +28,31 @@
 #include "gateway_client.h"
 #include "vis.h"
 
-#define to_dev(obj)             container_of(obj, struct device, kobj)
-#define kobj_to_netdev(obj)     to_net_dev(to_dev(obj->parent))
-#define kobj_to_batpriv(obj)    netdev_priv(kobj_to_netdev(obj))
+static struct net_device *kobj_to_netdev(struct kobject *obj)
+{
+        struct device *dev = container_of(obj->parent, struct device, kobj);
+        return to_net_dev(dev);
+}
+
+static struct bat_priv *kobj_to_batpriv(struct kobject *obj)
+{
+        struct net_device *net_dev = kobj_to_netdev(obj);
+        return netdev_priv(net_dev);
+}
+
+#define UEV_TYPE_VAR    "BATTYPE="
+#define UEV_ACTION_VAR  "BATACTION="
+#define UEV_DATA_VAR    "BATDATA="
+
+static char *uev_action_str[] = {
+        "add",
+        "del",
+        "change"
+};
+
+static char *uev_type_str[] = {
+        "gw"
+};
 
 /* Use this, if you have customized show and store functions */
 #define BAT_ATTR(_name, _mode, _show, _store)   \
@@ -96,7 +118,7 @@ ssize_t show_##_name(struct kobject *kobj, struct attribute *attr,	\
 
 static int store_bool_attr(char *buff, size_t count,
                            struct net_device *net_dev,
-                           char *attr_name, atomic_t *attr)
+                           const char *attr_name, atomic_t *attr)
 {
         int enabled = -1;
 
@@ -138,16 +160,15 @@ static inline ssize_t __store_bool_attr(char *buff, size_t count,
 {
         int ret;
 
-        ret = store_bool_attr(buff, count, net_dev, (char *)attr->name,
-                              attr_store);
+        ret = store_bool_attr(buff, count, net_dev, attr->name, attr_store);
         if (post_func && ret)
                 post_func(net_dev);
 
         return ret;
 }
 
-static int store_uint_attr(char *buff, size_t count,
-                           struct net_device *net_dev, char *attr_name,
+static int store_uint_attr(const char *buff, size_t count,
+                           struct net_device *net_dev, const char *attr_name,
                            unsigned int min, unsigned int max, atomic_t *attr)
 {
         unsigned long uint_val;
@@ -183,15 +204,15 @@ static int store_uint_attr(char *buff, size_t count,
         return count;
 }
 
-static inline ssize_t __store_uint_attr(char *buff, size_t count,
+static inline ssize_t __store_uint_attr(const char *buff, size_t count,
                         int min, int max,
                         void (*post_func)(struct net_device *),
-                        struct attribute *attr,
+                        const struct attribute *attr,
                         atomic_t *attr_store, struct net_device *net_dev)
 {
         int ret;
 
-        ret = store_uint_attr(buff, count, net_dev, (char *)attr->name,
+        ret = store_uint_attr(buff, count, net_dev, attr->name,
                               min, max, attr_store);
         if (post_func && ret)
                 post_func(net_dev);
@@ -368,7 +389,7 @@ BAT_ATTR_UINT(gw_sel_class, S_IRUGO | S_IWUSR, 1, TQ_MAX_VALUE,
 static BAT_ATTR(gw_bandwidth, S_IRUGO | S_IWUSR, show_gw_bwidth,
                 store_gw_bwidth);
 #ifdef CONFIG_BATMAN_ADV_DEBUG
-BAT_ATTR_UINT(log_level, S_IRUGO | S_IWUSR, 0, 3, NULL);
+BAT_ATTR_UINT(log_level, S_IRUGO | S_IWUSR, 0, 7, NULL);
 #endif
 
 static struct bat_attribute *mesh_attrs[] = {
@@ -594,3 +615,60 @@ void sysfs_del_hardif(struct kobject **hardif_obj)
         kobject_put(*hardif_obj);
         *hardif_obj = NULL;
 }
+
+int throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
+                 enum uev_action action, const char *data)
+{
+        int ret = -1;
+        struct hard_iface *primary_if = NULL;
+        struct kobject *bat_kobj;
+        char *uevent_env[4] = { NULL, NULL, NULL, NULL };
+
+        primary_if = primary_if_get_selected(bat_priv);
+        if (!primary_if)
+                goto out;
+
+        bat_kobj = &primary_if->soft_iface->dev.kobj;
+
+        uevent_env[0] = kmalloc(strlen(UEV_TYPE_VAR) +
+                                strlen(uev_type_str[type]) + 1,
+                                GFP_ATOMIC);
+        if (!uevent_env[0])
+                goto out;
+
+        sprintf(uevent_env[0], "%s%s", UEV_TYPE_VAR, uev_type_str[type]);
+
+        uevent_env[1] = kmalloc(strlen(UEV_ACTION_VAR) +
+                                strlen(uev_action_str[action]) + 1,
+                                GFP_ATOMIC);
+        if (!uevent_env[1])
+                goto out;
+
+        sprintf(uevent_env[1], "%s%s", UEV_ACTION_VAR, uev_action_str[action]);
+
+        /* If the event is DEL, ignore the data field */
+        if (action != UEV_DEL) {
+                uevent_env[2] = kmalloc(strlen(UEV_DATA_VAR) +
+                                        strlen(data) + 1, GFP_ATOMIC);
+                if (!uevent_env[2])
+                        goto out;
+
+                sprintf(uevent_env[2], "%s%s", UEV_DATA_VAR, data);
+        }
+
+        ret = kobject_uevent_env(bat_kobj, KOBJ_CHANGE, uevent_env);
+out:
+        kfree(uevent_env[0]);
+        kfree(uevent_env[1]);
+        kfree(uevent_env[2]);
+
+        if (primary_if)
+                hardif_free_ref(primary_if);
+
+        if (ret)
+                bat_dbg(DBG_BATMAN, bat_priv, "Impossible to send "
+                        "uevent for (%s,%s,%s) event (err: %d)\n",
+                        uev_type_str[type], uev_action_str[action],
+                        (action == UEV_DEL ? "NULL" : data), ret);
+        return ret;
+}
diff --git a/net/batman-adv/bat_sysfs.h b/net/batman-adv/bat_sysfs.h
index 02f1fa7aadfa..a3f75a723c56 100644
--- a/net/batman-adv/bat_sysfs.h
+++ b/net/batman-adv/bat_sysfs.h
@@ -38,5 +38,7 @@ int sysfs_add_meshif(struct net_device *dev);
 void sysfs_del_meshif(struct net_device *dev);
 int sysfs_add_hardif(struct kobject **hardif_obj, struct net_device *dev);
 void sysfs_del_hardif(struct kobject **hardif_obj);
+int throw_uevent(struct bat_priv *bat_priv, enum uev_type type,
+                 enum uev_action action, const char *data);
 
 #endif /* _NET_BATMAN_ADV_SYSFS_H_ */
diff --git a/net/batman-adv/bitarray.c b/net/batman-adv/bitarray.c
index ad2ca925b3e0..c1f4bfc09cc3 100644
--- a/net/batman-adv/bitarray.c
+++ b/net/batman-adv/bitarray.c
@@ -26,8 +26,8 @@
 
 /* returns true if the corresponding bit in the given seq_bits indicates true
  * and curr_seqno is within range of last_seqno */
-uint8_t get_bit_status(unsigned long *seq_bits, uint32_t last_seqno,
-                       uint32_t curr_seqno)
+int get_bit_status(const unsigned long *seq_bits, uint32_t last_seqno,
+                   uint32_t curr_seqno)
 {
         int32_t diff, word_offset, word_num;
 
@@ -127,10 +127,10 @@ static void bit_reset_window(unsigned long *seq_bits)
  *  1 if the window was moved (either new or very old)
  *  0 if the window was not moved/shifted.
  */
-char bit_get_packet(void *priv, unsigned long *seq_bits,
-                    int32_t seq_num_diff, int8_t set_mark)
+int bit_get_packet(void *priv, unsigned long *seq_bits,
+                    int32_t seq_num_diff, int set_mark)
 {
-        struct bat_priv *bat_priv = (struct bat_priv *)priv;
+        struct bat_priv *bat_priv = priv;
 
         /* sequence number is slightly older. We already got a sequence number
          * higher than this one, so we just mark it. */
@@ -190,7 +190,7 @@ char bit_get_packet(void *priv, unsigned long *seq_bits,
 /* count the hamming weight, how many good packets did we receive? just count
  * the 1's.
  */
-int bit_packet_count(unsigned long *seq_bits)
+int bit_packet_count(const unsigned long *seq_bits)
 {
         int i, hamming = 0;
 
diff --git a/net/batman-adv/bitarray.h b/net/batman-adv/bitarray.h
index 769c246d1fc1..9c04422aeb07 100644
--- a/net/batman-adv/bitarray.h
+++ b/net/batman-adv/bitarray.h
@@ -26,8 +26,8 @@
 
 /* returns true if the corresponding bit in the given seq_bits indicates true
  * and curr_seqno is within range of last_seqno */
-uint8_t get_bit_status(unsigned long *seq_bits, uint32_t last_seqno,
-                                           uint32_t curr_seqno);
+int get_bit_status(const unsigned long *seq_bits, uint32_t last_seqno,
+                   uint32_t curr_seqno);
 
 /* turn corresponding bit on, so we can remember that we got the packet */
 void bit_mark(unsigned long *seq_bits, int32_t n);
@@ -35,10 +35,10 @@ void bit_mark(unsigned long *seq_bits, int32_t n);
 
 /* receive and process one packet, returns 1 if received seq_num is considered
  * new, 0 if old  */
-char bit_get_packet(void *priv, unsigned long *seq_bits,
-                    int32_t seq_num_diff, int8_t set_mark);
+int bit_get_packet(void *priv, unsigned long *seq_bits,
+                   int32_t seq_num_diff, int set_mark);
 
 /* count the hamming weight, how many good packets did we receive? */
-int  bit_packet_count(unsigned long *seq_bits);
+int bit_packet_count(const unsigned long *seq_bits);
 
 #endif /* _NET_BATMAN_ADV_BITARRAY_H_ */
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index 61605a0f3f39..056180ef9e1a 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -20,15 +20,22 @@
  */
 
 #include "main.h"
+#include "bat_sysfs.h"
 #include "gateway_client.h"
 #include "gateway_common.h"
 #include "hard-interface.h"
 #include "originator.h"
+#include "routing.h"
 #include <linux/ip.h>
 #include <linux/ipv6.h>
 #include <linux/udp.h>
 #include <linux/if_vlan.h>
 
+/* This is the offset of the options field in a dhcp packet starting at
+ * the beginning of the dhcp header */
+#define DHCP_OPTIONS_OFFSET 240
+#define DHCP_REQUEST 3
+
 static void gw_node_free_ref(struct gw_node *gw_node)
 {
         if (atomic_dec_and_test(&gw_node->refcount))
@@ -86,7 +93,7 @@ static void gw_select(struct bat_priv *bat_priv, struct gw_node *new_gw_node)
         if (new_gw_node && !atomic_inc_not_zero(&new_gw_node->refcount))
                 new_gw_node = NULL;
 
-        curr_gw_node = bat_priv->curr_gw;
+        curr_gw_node = rcu_dereference_protected(bat_priv->curr_gw, 1);
         rcu_assign_pointer(bat_priv->curr_gw, new_gw_node);
 
         if (curr_gw_node)
@@ -97,40 +104,19 @@ static void gw_select(struct bat_priv *bat_priv, struct gw_node *new_gw_node)
 
 void gw_deselect(struct bat_priv *bat_priv)
 {
-        gw_select(bat_priv, NULL);
+        atomic_set(&bat_priv->gw_reselect, 1);
 }
 
-void gw_election(struct bat_priv *bat_priv)
+static struct gw_node *gw_get_best_gw_node(struct bat_priv *bat_priv)
 {
-        struct hlist_node *node;
-        struct gw_node *gw_node, *curr_gw = NULL, *curr_gw_tmp = NULL;
         struct neigh_node *router;
-        uint8_t max_tq = 0;
+        struct hlist_node *node;
+        struct gw_node *gw_node, *curr_gw = NULL;
         uint32_t max_gw_factor = 0, tmp_gw_factor = 0;
+        uint8_t max_tq = 0;
         int down, up;
 
-        /**
-         * The batman daemon checks here if we already passed a full originator
-         * cycle in order to make sure we don't choose the first gateway we
-         * hear about. This check is based on the daemon's uptime which we
-         * don't have.
-         **/
-        if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT)
-                return;
-
-        curr_gw = gw_get_selected_gw_node(bat_priv);
-        if (curr_gw)
-                goto out;
-
         rcu_read_lock();
-        if (hlist_empty(&bat_priv->gw_list)) {
-                bat_dbg(DBG_BATMAN, bat_priv,
-                        "Removing selected gateway - "
-                        "no gateway in range\n");
-                gw_deselect(bat_priv);
-                goto unlock;
-        }
-
         hlist_for_each_entry_rcu(gw_node, node, &bat_priv->gw_list, list) {
                 if (gw_node->deleted)
                         continue;
@@ -139,6 +125,9 @@ void gw_election(struct bat_priv *bat_priv)
                 if (!router)
                         continue;
 
+                if (!atomic_inc_not_zero(&gw_node->refcount))
+                        goto next;
+
                 switch (atomic_read(&bat_priv->gw_sel_class)) {
                 case 1: /* fast connection */
                         gw_bandwidth_to_kbit(gw_node->orig_node->gw_flags,
@@ -151,8 +140,12 @@ void gw_election(struct bat_priv *bat_priv)
 
                         if ((tmp_gw_factor > max_gw_factor) ||
                             ((tmp_gw_factor == max_gw_factor) &&
-                             (router->tq_avg > max_tq)))
-                                curr_gw_tmp = gw_node;
+                             (router->tq_avg > max_tq))) {
+                                if (curr_gw)
+                                        gw_node_free_ref(curr_gw);
+                                curr_gw = gw_node;
+                                atomic_inc(&curr_gw->refcount);
+                        }
                         break;
 
                 default: /**
@@ -163,8 +156,12 @@ void gw_election(struct bat_priv *bat_priv)
                           *     soon as a better gateway appears which has
                           *     $routing_class more tq points)
                           **/
-                        if (router->tq_avg > max_tq)
-                                curr_gw_tmp = gw_node;
+                        if (router->tq_avg > max_tq) {
+                                if (curr_gw)
+                                        gw_node_free_ref(curr_gw);
+                                curr_gw = gw_node;
+                                atomic_inc(&curr_gw->refcount);
+                        }
                         break;
                 }
 
@@ -174,42 +171,81 @@ void gw_election(struct bat_priv *bat_priv)
                 if (tmp_gw_factor > max_gw_factor)
                         max_gw_factor = tmp_gw_factor;
 
+                gw_node_free_ref(gw_node);
+
+next:
                 neigh_node_free_ref(router);
         }
+        rcu_read_unlock();
 
-        if (curr_gw != curr_gw_tmp) {
-                router = orig_node_get_router(curr_gw_tmp->orig_node);
-                if (!router)
-                        goto unlock;
+        return curr_gw;
+}
 
-                if ((curr_gw) && (!curr_gw_tmp))
-                        bat_dbg(DBG_BATMAN, bat_priv,
-                                "Removing selected gateway - "
-                                "no gateway in range\n");
-                else if ((!curr_gw) && (curr_gw_tmp))
-                        bat_dbg(DBG_BATMAN, bat_priv,
-                                "Adding route to gateway %pM "
-                                "(gw_flags: %i, tq: %i)\n",
-                                curr_gw_tmp->orig_node->orig,
-                                curr_gw_tmp->orig_node->gw_flags,
-                                router->tq_avg);
-                else
-                        bat_dbg(DBG_BATMAN, bat_priv,
-                                "Changing route to gateway %pM "
-                                "(gw_flags: %i, tq: %i)\n",
-                                curr_gw_tmp->orig_node->orig,
-                                curr_gw_tmp->orig_node->gw_flags,
-                                router->tq_avg);
+void gw_election(struct bat_priv *bat_priv)
+{
+        struct gw_node *curr_gw = NULL, *next_gw = NULL;
+        struct neigh_node *router = NULL;
+        char gw_addr[18] = { '\0' };
 
-                neigh_node_free_ref(router);
-                gw_select(bat_priv, curr_gw_tmp);
+        /**
+         * The batman daemon checks here if we already passed a full originator
+         * cycle in order to make sure we don't choose the first gateway we
+         * hear about. This check is based on the daemon's uptime which we
+         * don't have.
+         **/
+        if (atomic_read(&bat_priv->gw_mode) != GW_MODE_CLIENT)
+                goto out;
+
+        if (!atomic_dec_not_zero(&bat_priv->gw_reselect))
+                goto out;
+
+        curr_gw = gw_get_selected_gw_node(bat_priv);
+
+        next_gw = gw_get_best_gw_node(bat_priv);
+
+        if (curr_gw == next_gw)
+                goto out;
+
+        if (next_gw) {
+                sprintf(gw_addr, "%pM", next_gw->orig_node->orig);
+
+                router = orig_node_get_router(next_gw->orig_node);
+                if (!router) {
+                        gw_deselect(bat_priv);
+                        goto out;
+                }
         }
 
-unlock:
-        rcu_read_unlock();
+        if ((curr_gw) && (!next_gw)) {
+                bat_dbg(DBG_BATMAN, bat_priv,
+                        "Removing selected gateway - no gateway in range\n");
+                throw_uevent(bat_priv, UEV_GW, UEV_DEL, NULL);
+        } else if ((!curr_gw) && (next_gw)) {
+                bat_dbg(DBG_BATMAN, bat_priv,
+                        "Adding route to gateway %pM (gw_flags: %i, tq: %i)\n",
+                        next_gw->orig_node->orig,
+                        next_gw->orig_node->gw_flags,
+                        router->tq_avg);
+                throw_uevent(bat_priv, UEV_GW, UEV_ADD, gw_addr);
+        } else {
+                bat_dbg(DBG_BATMAN, bat_priv,
+                        "Changing route to gateway %pM "
+                        "(gw_flags: %i, tq: %i)\n",
+                        next_gw->orig_node->orig,
+                        next_gw->orig_node->gw_flags,
+                        router->tq_avg);
+                throw_uevent(bat_priv, UEV_GW, UEV_CHANGE, gw_addr);
+        }
+
+        gw_select(bat_priv, next_gw);
+
 out:
         if (curr_gw)
                 gw_node_free_ref(curr_gw);
+        if (next_gw)
+                gw_node_free_ref(next_gw);
+        if (router)
+                neigh_node_free_ref(router);
 }
 
 void gw_check_election(struct bat_priv *bat_priv, struct orig_node *orig_node)
@@ -273,11 +309,10 @@ static void gw_node_add(struct bat_priv *bat_priv,
         struct gw_node *gw_node;
         int down, up;
 
-        gw_node = kmalloc(sizeof(struct gw_node), GFP_ATOMIC);
+        gw_node = kzalloc(sizeof(*gw_node), GFP_ATOMIC);
         if (!gw_node)
                 return;
 
-        memset(gw_node, 0, sizeof(struct gw_node));
         INIT_HLIST_NODE(&gw_node->list);
         gw_node->orig_node = orig_node;
         atomic_set(&gw_node->refcount, 1);
@@ -323,7 +358,7 @@ void gw_node_update(struct bat_priv *bat_priv,
 
                 gw_node->deleted = 0;
 
-                if (new_gwflags == 0) {
+                if (new_gwflags == NO_FLAGS) {
                         gw_node->deleted = jiffies;
                         bat_dbg(DBG_BATMAN, bat_priv,
                                 "Gateway %pM removed from gateway list\n",
@@ -336,7 +371,7 @@ void gw_node_update(struct bat_priv *bat_priv,
                 goto unlock;
         }
 
-        if (new_gwflags == 0)
+        if (new_gwflags == NO_FLAGS)
                 goto unlock;
 
         gw_node_add(bat_priv, orig_node, new_gwflags);
@@ -353,7 +388,7 @@ unlock:
 
 void gw_node_delete(struct bat_priv *bat_priv, struct orig_node *orig_node)
 {
-        return gw_node_update(bat_priv, orig_node, 0);
+        gw_node_update(bat_priv, orig_node, 0);
 }
 
 void gw_node_purge(struct bat_priv *bat_priv)
@@ -361,7 +396,7 @@ void gw_node_purge(struct bat_priv *bat_priv)
         struct gw_node *gw_node, *curr_gw;
         struct hlist_node *node, *node_tmp;
         unsigned long timeout = 2 * PURGE_TIMEOUT * HZ;
-        char do_deselect = 0;
+        int do_deselect = 0;
 
         curr_gw = gw_get_selected_gw_node(bat_priv);
 
@@ -394,8 +429,8 @@ void gw_node_purge(struct bat_priv *bat_priv)
 /**
  * fails if orig_node has no router
  */
-static int _write_buffer_text(struct bat_priv *bat_priv,
-                              struct seq_file *seq, struct gw_node *gw_node)
+static int _write_buffer_text(struct bat_priv *bat_priv, struct seq_file *seq,
+                              const struct gw_node *gw_node)
 {
         struct gw_node *curr_gw;
         struct neigh_node *router;
@@ -452,10 +487,9 @@ int gw_client_seq_print_text(struct seq_file *seq, void *offset)
         }
 
         seq_printf(seq, "      %-12s (%s/%i) %17s [%10s]: gw_class ... "
-                   "[B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%pM (%s)]\n",
+                   "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n",
                    "Gateway", "#", TQ_MAX_VALUE, "Nexthop",
-                   "outgoingIF", SOURCE_VERSION, REVISION_VERSION_STR,
-                   primary_if->net_dev->name,
+                   "outgoingIF", SOURCE_VERSION, primary_if->net_dev->name,
                    primary_if->net_dev->dev_addr, net_dev->name);
 
         rcu_read_lock();
@@ -480,14 +514,75 @@ out:
         return ret;
 }
 
-int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
+static bool is_type_dhcprequest(struct sk_buff *skb, int header_len)
+{
+        int ret = false;
+        unsigned char *p;
+        int pkt_len;
+
+        if (skb_linearize(skb) < 0)
+                goto out;
+
+        pkt_len = skb_headlen(skb);
+
+        if (pkt_len < header_len + DHCP_OPTIONS_OFFSET + 1)
+                goto out;
+
+        p = skb->data + header_len + DHCP_OPTIONS_OFFSET;
+        pkt_len -= header_len + DHCP_OPTIONS_OFFSET + 1;
+
+        /* Access the dhcp option lists. Each entry is made up by:
+         * - octect 1: option type
+         * - octect 2: option data len (only if type != 255 and 0)
+         * - octect 3: option data */
+        while (*p != 255 && !ret) {
+                /* p now points to the first octect: option type */
+                if (*p == 53) {
+                        /* type 53 is the message type option.
+                         * Jump the len octect and go to the data octect */
+                        if (pkt_len < 2)
+                                goto out;
+                        p += 2;
+
+                        /* check if the message type is what we need */
+                        if (*p == DHCP_REQUEST)
+                                ret = true;
+                        break;
+                } else if (*p == 0) {
+                        /* option type 0 (padding), just go forward */
+                        if (pkt_len < 1)
+                                goto out;
+                        pkt_len--;
+                        p++;
+                } else {
+                        /* This is any other option. So we get the length... */
+                        if (pkt_len < 1)
+                                goto out;
+                        pkt_len--;
+                        p++;
+
+                        /* ...and then we jump over the data */
+                        if (pkt_len < *p)
+                                goto out;
+                        pkt_len -= *p;
+                        p += (*p);
+                }
+        }
+out:
+        return ret;
+}
+
+int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb,
+                 struct orig_node *old_gw)
 {
         struct ethhdr *ethhdr;
         struct iphdr *iphdr;
         struct ipv6hdr *ipv6hdr;
         struct udphdr *udphdr;
         struct gw_node *curr_gw;
+        struct neigh_node *neigh_curr = NULL, *neigh_old = NULL;
         unsigned int header_len = 0;
+        int ret = 1;
 
         if (atomic_read(&bat_priv->gw_mode) == GW_MODE_OFF)
                 return 0;
@@ -509,7 +604,7 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
         /* check for ip header */
         switch (ntohs(ethhdr->h_proto)) {
         case ETH_P_IP:
-                if (!pskb_may_pull(skb, header_len + sizeof(struct iphdr)))
+                if (!pskb_may_pull(skb, header_len + sizeof(*iphdr)))
                         return 0;
                 iphdr = (struct iphdr *)(skb->data + header_len);
                 header_len += iphdr->ihl * 4;
@@ -520,10 +615,10 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
 
                 break;
         case ETH_P_IPV6:
-                if (!pskb_may_pull(skb, header_len + sizeof(struct ipv6hdr)))
+                if (!pskb_may_pull(skb, header_len + sizeof(*ipv6hdr)))
                         return 0;
                 ipv6hdr = (struct ipv6hdr *)(skb->data + header_len);
-                header_len += sizeof(struct ipv6hdr);
+                header_len += sizeof(*ipv6hdr);
 
                 /* check for udp header */
                 if (ipv6hdr->nexthdr != IPPROTO_UDP)
@@ -534,10 +629,10 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
                 return 0;
         }
 
-        if (!pskb_may_pull(skb, header_len + sizeof(struct udphdr)))
+        if (!pskb_may_pull(skb, header_len + sizeof(*udphdr)))
                 return 0;
         udphdr = (struct udphdr *)(skb->data + header_len);
-        header_len += sizeof(struct udphdr);
+        header_len += sizeof(*udphdr);
 
         /* check for bootp port */
         if ((ntohs(ethhdr->h_proto) == ETH_P_IP) &&
@@ -555,7 +650,30 @@ int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb)
         if (!curr_gw)
                 return 0;
 
+        /* If old_gw != NULL then this packet is unicast.
+         * So, at this point we have to check the message type: if it is a
+         * DHCPREQUEST we have to decide whether to drop it or not */
+        if (old_gw && curr_gw->orig_node != old_gw) {
+                if (is_type_dhcprequest(skb, header_len)) {
+                        /* If the dhcp packet has been sent to a different gw,
+                         * we have to evaluate whether the old gw is still
+                         * reliable enough */
+                        neigh_curr = find_router(bat_priv, curr_gw->orig_node,
+                                                 NULL);
+                        neigh_old = find_router(bat_priv, old_gw, NULL);
+                        if (!neigh_curr || !neigh_old)
+                                goto free_neigh;
+                        if (neigh_curr->tq_avg - neigh_old->tq_avg <
+                                                                GW_THRESHOLD)
+                                ret = -1;
+                }
+        }
+free_neigh:
+        if (neigh_old)
+                neigh_node_free_ref(neigh_old);
+        if (neigh_curr)
+                neigh_node_free_ref(neigh_curr);
         if (curr_gw)
                 gw_node_free_ref(curr_gw);
-        return 1;
+        return ret;
 }
diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h
index 1ce8c6066da1..b9b983c07feb 100644
--- a/net/batman-adv/gateway_client.h
+++ b/net/batman-adv/gateway_client.h
@@ -31,6 +31,7 @@ void gw_node_update(struct bat_priv *bat_priv,
 void gw_node_delete(struct bat_priv *bat_priv, struct orig_node *orig_node);
 void gw_node_purge(struct bat_priv *bat_priv);
 int gw_client_seq_print_text(struct seq_file *seq, void *offset);
-int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb);
+int gw_is_target(struct bat_priv *bat_priv, struct sk_buff *skb,
+                 struct orig_node *old_gw);
 
 #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */
diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
index 50d3a59a3d73..18661af0bc3b 100644
--- a/net/batman-adv/gateway_common.c
+++ b/net/batman-adv/gateway_common.c
@@ -61,9 +61,9 @@ static void kbit_to_gw_bandwidth(int down, int up, long *gw_srv_class)
 /* returns the up and downspeeds in kbit, calculated from the class */
 void gw_bandwidth_to_kbit(uint8_t gw_srv_class, int *down, int *up)
 {
-        char sbit = (gw_srv_class & 0x80) >> 7;
-        char dpart = (gw_srv_class & 0x78) >> 3;
-        char upart = (gw_srv_class & 0x07);
+        int sbit = (gw_srv_class & 0x80) >> 7;
+        int dpart = (gw_srv_class & 0x78) >> 3;
+        int upart = (gw_srv_class & 0x07);
 
         if (!gw_srv_class) {
                 *down = 0;
@@ -76,10 +76,11 @@ void gw_bandwidth_to_kbit(uint8_t gw_srv_class, int *down, int *up)
 }
 
 static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
-                               long *up, long *down)
+                               int *up, int *down)
 {
         int ret, multi = 1;
         char *slash_ptr, *tmp_ptr;
+        long ldown, lup;
 
         slash_ptr = strchr(buff, '/');
         if (slash_ptr)
@@ -96,7 +97,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
                         *tmp_ptr = '\0';
         }
 
-        ret = strict_strtoul(buff, 10, down);
+        ret = strict_strtol(buff, 10, &ldown);
         if (ret) {
                 bat_err(net_dev,
                         "Download speed of gateway mode invalid: %s\n",
@@ -104,7 +105,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
                 return false;
         }
 
-        *down *= multi;
+        *down = ldown * multi;
 
         /* we also got some upload info */
         if (slash_ptr) {
@@ -121,7 +122,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
                                 *tmp_ptr = '\0';
                 }
 
-                ret = strict_strtoul(slash_ptr + 1, 10, up);
+                ret = strict_strtol(slash_ptr + 1, 10, &lup);
                 if (ret) {
                         bat_err(net_dev,
                                 "Upload speed of gateway mode invalid: "
@@ -129,7 +130,7 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
                         return false;
                 }
 
-                *up *= multi;
+                *up = lup * multi;
         }
 
         return true;
@@ -138,7 +139,8 @@ static bool parse_gw_bandwidth(struct net_device *net_dev, char *buff,
 ssize_t gw_bandwidth_set(struct net_device *net_dev, char *buff, size_t count)
 {
         struct bat_priv *bat_priv = netdev_priv(net_dev);
-        long gw_bandwidth_tmp = 0, up = 0, down = 0;
+        long gw_bandwidth_tmp = 0;
+        int up = 0, down = 0;
         bool ret;
 
         ret = parse_gw_bandwidth(net_dev, buff, &up, &down);
@@ -158,12 +160,11 @@ ssize_t gw_bandwidth_set(struct net_device *net_dev, char *buff, size_t count)
          * speeds, hence we need to calculate it back to show the number
          * that is going to be propagated
          **/
-        gw_bandwidth_to_kbit((uint8_t)gw_bandwidth_tmp,
-                             (int *)&down, (int *)&up);
+        gw_bandwidth_to_kbit((uint8_t)gw_bandwidth_tmp, &down, &up);
 
         gw_deselect(bat_priv);
         bat_info(net_dev, "Changing gateway bandwidth from: '%i' to: '%ld' "
-                 "(propagating: %ld%s/%ld%s)\n",
+                 "(propagating: %d%s/%d%s)\n",
                  atomic_read(&bat_priv->gw_bandwidth), gw_bandwidth_tmp,
                  (down > 2048 ? down / 1024 : down),
                  (down > 2048 ? "MBit" : "KBit"),
diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c
index dfbfccc9fe40..db7aacf1e095 100644
--- a/net/batman-adv/hard-interface.c
+++ b/net/batman-adv/hard-interface.c
@@ -46,7 +46,7 @@ void hardif_free_rcu(struct rcu_head *rcu)
         kfree(hard_iface);
 }
 
-struct hard_iface *hardif_get_by_netdev(struct net_device *net_dev)
+struct hard_iface *hardif_get_by_netdev(const struct net_device *net_dev)
 {
         struct hard_iface *hard_iface;
 
@@ -64,7 +64,7 @@ out:
         return hard_iface;
 }
 
-static int is_valid_iface(struct net_device *net_dev)
+static int is_valid_iface(const struct net_device *net_dev)
 {
         if (net_dev->flags & IFF_LOOPBACK)
                 return 0;
@@ -86,7 +86,7 @@ static int is_valid_iface(struct net_device *net_dev)
         return 1;
 }
 
-static struct hard_iface *hardif_get_active(struct net_device *soft_iface)
+static struct hard_iface *hardif_get_active(const struct net_device *soft_iface)
 {
         struct hard_iface *hard_iface;
 
@@ -138,7 +138,7 @@ static void primary_if_select(struct bat_priv *bat_priv,
         if (new_hard_iface && !atomic_inc_not_zero(&new_hard_iface->refcount))
                 new_hard_iface = NULL;
 
-        curr_hard_iface = bat_priv->primary_if;
+        curr_hard_iface = rcu_dereference_protected(bat_priv->primary_if, 1);
         rcu_assign_pointer(bat_priv->primary_if, new_hard_iface);
 
         if (curr_hard_iface)
@@ -152,15 +152,9 @@ static void primary_if_select(struct bat_priv *bat_priv,
         batman_packet->ttl = TTL;
 
         primary_if_update_addr(bat_priv);
-
-        /***
-         * hacky trick to make sure that we send the TT information via
-         * our new primary interface
-         */
-        atomic_set(&bat_priv->tt_local_changed, 1);
 }
 
-static bool hardif_is_iface_up(struct hard_iface *hard_iface)
+static bool hardif_is_iface_up(const struct hard_iface *hard_iface)
 {
         if (hard_iface->net_dev->flags & IFF_UP)
                 return true;
@@ -176,9 +170,9 @@ static void update_mac_addresses(struct hard_iface *hard_iface)
                hard_iface->net_dev->dev_addr, ETH_ALEN);
 }
 
-static void check_known_mac_addr(struct net_device *net_dev)
+static void check_known_mac_addr(const struct net_device *net_dev)
 {
-        struct hard_iface *hard_iface;
+        const struct hard_iface *hard_iface;
 
         rcu_read_lock();
         list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
@@ -204,8 +198,8 @@ static void check_known_mac_addr(struct net_device *net_dev)
 
 int hardif_min_mtu(struct net_device *soft_iface)
 {
-        struct bat_priv *bat_priv = netdev_priv(soft_iface);
-        struct hard_iface *hard_iface;
+        const struct bat_priv *bat_priv = netdev_priv(soft_iface);
+        const struct hard_iface *hard_iface;
         /* allow big frames if all devices are capable to do so
          * (have MTU > 1500 + BAT_HEADER_LEN) */
         int min_mtu = ETH_DATA_LEN;
@@ -285,7 +279,8 @@ static void hardif_deactivate_interface(struct hard_iface *hard_iface)
         update_min_mtu(hard_iface->soft_iface);
 }
 
-int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name)
+int hardif_enable_interface(struct hard_iface *hard_iface,
+                            const char *iface_name)
 {
         struct bat_priv *bat_priv;
         struct batman_packet *batman_packet;
@@ -336,10 +331,11 @@ int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name)
         batman_packet = (struct batman_packet *)(hard_iface->packet_buff);
         batman_packet->packet_type = BAT_PACKET;
         batman_packet->version = COMPAT_VERSION;
-        batman_packet->flags = 0;
+        batman_packet->flags = NO_FLAGS;
         batman_packet->ttl = 2;
         batman_packet->tq = TQ_MAX_VALUE;
-        batman_packet->num_tt = 0;
+        batman_packet->tt_num_changes = 0;
+        batman_packet->ttvn = 0;
 
         hard_iface->if_num = bat_priv->num_ifaces;
         bat_priv->num_ifaces++;
@@ -458,7 +454,7 @@ static struct hard_iface *hardif_add_interface(struct net_device *net_dev)
 
         dev_hold(net_dev);
 
-        hard_iface = kmalloc(sizeof(struct hard_iface), GFP_ATOMIC);
+        hard_iface = kmalloc(sizeof(*hard_iface), GFP_ATOMIC);
         if (!hard_iface) {
                 pr_err("Can't add interface (%s): out of memory\n",
                        net_dev->name);
@@ -522,7 +518,7 @@ void hardif_remove_interfaces(void)
 static int hard_if_event(struct notifier_block *this,
                          unsigned long event, void *ptr)
 {
-        struct net_device *net_dev = (struct net_device *)ptr;
+        struct net_device *net_dev = ptr;
         struct hard_iface *hard_iface = hardif_get_by_netdev(net_dev);
         struct hard_iface *primary_if = NULL;
         struct bat_priv *bat_priv;
@@ -567,7 +563,7 @@ static int hard_if_event(struct notifier_block *this,
                 break;
         default:
                 break;
-        };
+        }
 
 hardif_put:
         hardif_free_ref(hard_iface);
@@ -658,6 +654,14 @@ static int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
         case BAT_VIS:
                 ret = recv_vis_packet(skb, hard_iface);
                 break;
+                /* Translation table query (request or response) */
+        case BAT_TT_QUERY:
+                ret = recv_tt_query(skb, hard_iface);
+                break;
+                /* Roaming advertisement */
+        case BAT_ROAM_ADV:
+                ret = recv_roam_adv(skb, hard_iface);
+                break;
         default:
                 ret = NET_RX_DROP;
         }
diff --git a/net/batman-adv/hard-interface.h b/net/batman-adv/hard-interface.h
index 64265991460b..442eacbc9e3a 100644
--- a/net/batman-adv/hard-interface.h
+++ b/net/batman-adv/hard-interface.h
@@ -22,17 +22,21 @@
 #ifndef _NET_BATMAN_ADV_HARD_INTERFACE_H_
 #define _NET_BATMAN_ADV_HARD_INTERFACE_H_
 
-#define IF_NOT_IN_USE 0
-#define IF_TO_BE_REMOVED 1
-#define IF_INACTIVE 2
-#define IF_ACTIVE 3
-#define IF_TO_BE_ACTIVATED 4
-#define IF_I_WANT_YOU 5
+enum hard_if_state {
+        IF_NOT_IN_USE,
+        IF_TO_BE_REMOVED,
+        IF_INACTIVE,
+        IF_ACTIVE,
+        IF_TO_BE_ACTIVATED,
+        IF_I_WANT_YOU
+};
 
 extern struct notifier_block hard_if_notifier;
 
-struct hard_iface *hardif_get_by_netdev(struct net_device *net_dev);
-int hardif_enable_interface(struct hard_iface *hard_iface, char *iface_name);
+struct hard_iface*
+hardif_get_by_netdev(const struct net_device *net_dev);
+int hardif_enable_interface(struct hard_iface *hard_iface,
+                            const char *iface_name);
 void hardif_disable_interface(struct hard_iface *hard_iface);
 void hardif_remove_interfaces(void);
 int hardif_min_mtu(struct net_device *soft_iface);
diff --git a/net/batman-adv/hash.c b/net/batman-adv/hash.c
index c5213d8f2cca..2a172505f513 100644
--- a/net/batman-adv/hash.c
+++ b/net/batman-adv/hash.c
@@ -46,15 +46,16 @@ struct hashtable_t *hash_new(int size)
 {
         struct hashtable_t *hash;
 
-        hash = kmalloc(sizeof(struct hashtable_t), GFP_ATOMIC);
+        hash = kmalloc(sizeof(*hash), GFP_ATOMIC);
         if (!hash)
                 return NULL;
 
-        hash->table = kmalloc(sizeof(struct element_t *) * size, GFP_ATOMIC);
+        hash->table = kmalloc(sizeof(*hash->table) * size, GFP_ATOMIC);
         if (!hash->table)
                 goto free_hash;
 
-        hash->list_locks = kmalloc(sizeof(spinlock_t) * size, GFP_ATOMIC);
+        hash->list_locks = kmalloc(sizeof(*hash->list_locks) * size,
+                                   GFP_ATOMIC);
         if (!hash->list_locks)
                 goto free_table;
 
diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h
index 434822b27473..dd5c9fd7a905 100644
--- a/net/batman-adv/hash.h
+++ b/net/batman-adv/hash.h
@@ -28,12 +28,12 @@
  * compare 2 element datas for their keys,
  * return 0 if same and not 0 if not
  * same */
-typedef int (*hashdata_compare_cb)(struct hlist_node *, void *);
+typedef int (*hashdata_compare_cb)(const struct hlist_node *, const void *);
 
 /* the hashfunction, should return an index
  * based on the key in the data of the first
  * argument and the size the second */
-typedef int (*hashdata_choose_cb)(void *, int);
+typedef int (*hashdata_choose_cb)(const void *, int);
 typedef void (*hashdata_free_cb)(struct hlist_node *, void *);
 
 struct hashtable_t {
@@ -80,7 +80,7 @@ static inline void hash_delete(struct hashtable_t *hash,
 static inline int hash_add(struct hashtable_t *hash,
                            hashdata_compare_cb compare,
                            hashdata_choose_cb choose,
-                           void *data, struct hlist_node *data_node)
+                           const void *data, struct hlist_node *data_node)
 {
         int index;
         struct hlist_head *head;
diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c
index fa22ba2bb832..ac3520e057c0 100644
--- a/net/batman-adv/icmp_socket.c
+++ b/net/batman-adv/icmp_socket.c
@@ -46,7 +46,7 @@ static int bat_socket_open(struct inode *inode, struct file *file)
 
         nonseekable_open(inode, file);
 
-        socket_client = kmalloc(sizeof(struct socket_client), GFP_KERNEL);
+        socket_client = kmalloc(sizeof(*socket_client), GFP_KERNEL);
 
         if (!socket_client)
                 return -ENOMEM;
@@ -310,7 +310,7 @@ static void bat_socket_add_packet(struct socket_client *socket_client,
 {
         struct socket_packet *socket_packet;
 
-        socket_packet = kmalloc(sizeof(struct socket_packet), GFP_ATOMIC);
+        socket_packet = kmalloc(sizeof(*socket_packet), GFP_ATOMIC);
 
         if (!socket_packet)
                 return;
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 0a7cee0076f4..b0f9068ade57 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -58,9 +58,8 @@ static int __init batman_init(void)
 
         register_netdevice_notifier(&hard_if_notifier);
 
-        pr_info("B.A.T.M.A.N. advanced %s%s (compatibility version %i) "
-                "loaded\n", SOURCE_VERSION, REVISION_VERSION_STR,
-                COMPAT_VERSION);
+        pr_info("B.A.T.M.A.N. advanced %s (compatibility version %i) "
+                "loaded\n", SOURCE_VERSION, COMPAT_VERSION);
 
         return 0;
 }
@@ -84,8 +83,10 @@ int mesh_init(struct net_device *soft_iface)
 
         spin_lock_init(&bat_priv->forw_bat_list_lock);
         spin_lock_init(&bat_priv->forw_bcast_list_lock);
-        spin_lock_init(&bat_priv->tt_lhash_lock);
-        spin_lock_init(&bat_priv->tt_ghash_lock);
+        spin_lock_init(&bat_priv->tt_changes_list_lock);
+        spin_lock_init(&bat_priv->tt_req_list_lock);
+        spin_lock_init(&bat_priv->tt_roam_list_lock);
+        spin_lock_init(&bat_priv->tt_buff_lock);
         spin_lock_init(&bat_priv->gw_list_lock);
         spin_lock_init(&bat_priv->vis_hash_lock);
         spin_lock_init(&bat_priv->vis_list_lock);
@@ -96,14 +97,14 @@ int mesh_init(struct net_device *soft_iface)
         INIT_HLIST_HEAD(&bat_priv->forw_bcast_list);
         INIT_HLIST_HEAD(&bat_priv->gw_list);
         INIT_HLIST_HEAD(&bat_priv->softif_neigh_vids);
+        INIT_LIST_HEAD(&bat_priv->tt_changes_list);
+        INIT_LIST_HEAD(&bat_priv->tt_req_list);
+        INIT_LIST_HEAD(&bat_priv->tt_roam_list);
 
         if (originator_init(bat_priv) < 1)
                 goto err;
 
-        if (tt_local_init(bat_priv) < 1)
-                goto err;
-
-        if (tt_global_init(bat_priv) < 1)
+        if (tt_init(bat_priv) < 1)
                 goto err;
 
         tt_local_add(soft_iface, soft_iface->dev_addr);
@@ -111,6 +112,7 @@ int mesh_init(struct net_device *soft_iface)
         if (vis_init(bat_priv) < 1)
                 goto err;
 
+        atomic_set(&bat_priv->gw_reselect, 0);
         atomic_set(&bat_priv->mesh_state, MESH_ACTIVE);
         goto end;
 
@@ -137,8 +139,7 @@ void mesh_free(struct net_device *soft_iface)
         gw_node_purge(bat_priv);
         originator_free(bat_priv);
 
-        tt_local_free(bat_priv);
-        tt_global_free(bat_priv);
+        tt_free(bat_priv);
 
         softif_neigh_purge(bat_priv);
 
@@ -155,9 +156,9 @@ void dec_module_count(void)
         module_put(THIS_MODULE);
 }
 
-int is_my_mac(uint8_t *addr)
+int is_my_mac(const uint8_t *addr)
 {
-        struct hard_iface *hard_iface;
+        const struct hard_iface *hard_iface;
 
         rcu_read_lock();
         list_for_each_entry_rcu(hard_iface, &hardif_list, list) {
@@ -182,8 +183,4 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_SUPPORTED_DEVICE(DRIVER_DEVICE);
-#ifdef REVISION_VERSION
-MODULE_VERSION(SOURCE_VERSION "-" REVISION_VERSION);
-#else
 MODULE_VERSION(SOURCE_VERSION);
-#endif
diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h
index 148b49e02642..a6df61a6933b 100644
--- a/net/batman-adv/main.h
+++ b/net/batman-adv/main.h
@@ -27,8 +27,9 @@
 #define DRIVER_DESC   "B.A.T.M.A.N. advanced"
 #define DRIVER_DEVICE "batman-adv"
 
-#define SOURCE_VERSION "next"
-
+#ifndef SOURCE_VERSION
+#define SOURCE_VERSION "2011.3.0"
+#endif
 
 /* B.A.T.M.A.N. parameters */
 
@@ -42,15 +43,25 @@
  * -> TODO: check influence on TQ_LOCAL_WINDOW_SIZE */
 #define PURGE_TIMEOUT 200
 #define TT_LOCAL_TIMEOUT 3600 /* in seconds */
-
+#define TT_CLIENT_ROAM_TIMEOUT 600
 /* sliding packet range of received originator messages in squence numbers
  * (should be a multiple of our word size) */
 #define TQ_LOCAL_WINDOW_SIZE 64
+#define TT_REQUEST_TIMEOUT 3 /* seconds we have to keep pending tt_req */
+
 #define TQ_GLOBAL_WINDOW_SIZE 5
 #define TQ_LOCAL_BIDRECT_SEND_MINIMUM 1
 #define TQ_LOCAL_BIDRECT_RECV_MINIMUM 1
 #define TQ_TOTAL_BIDRECT_LIMIT 1
 
+#define TT_OGM_APPEND_MAX 3 /* number of OGMs sent with the last tt diff */
+
+#define ROAMING_MAX_TIME 20 /* Time in which a client can roam at most
+                             * ROAMING_MAX_COUNT times */
+#define ROAMING_MAX_COUNT 5
+
+#define NO_FLAGS 0
+
 #define NUM_WORDS (TQ_LOCAL_WINDOW_SIZE / WORD_BIT_SIZE)
 
 #define LOG_BUF_LEN 8192          /* has to be a power of 2 */
@@ -72,13 +83,27 @@
 #define RESET_PROTECTION_MS 30000
 #define EXPECTED_SEQNO_RANGE    65536
 
-#define MESH_INACTIVE 0
-#define MESH_ACTIVE 1
-#define MESH_DEACTIVATING 2
+enum mesh_state {
+        MESH_INACTIVE,
+        MESH_ACTIVE,
+        MESH_DEACTIVATING
+};
 
 #define BCAST_QUEUE_LEN         256
 #define BATMAN_QUEUE_LEN        256
 
+enum uev_action {
+        UEV_ADD = 0,
+        UEV_DEL,
+        UEV_CHANGE
+};
+
+enum uev_type {
+        UEV_GW = 0
+};
+
+#define GW_THRESHOLD    50
+
 /*
  * Debug Messages
  */
@@ -89,10 +114,12 @@
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 /* all messages related to routing / flooding / broadcasting / etc */
-#define DBG_BATMAN 1
-/* route or tt entry added / changed / deleted */
-#define DBG_ROUTES 2
-#define DBG_ALL 3
+enum dbg_level {
+        DBG_BATMAN = 1 << 0,
+        DBG_ROUTES = 1 << 1, /* route added / changed / deleted */
+        DBG_TT     = 1 << 2, /* translation table operations */
+        DBG_ALL    = 7
+};
 
 
 /*
@@ -118,12 +145,6 @@
 #include <linux/seq_file.h>
 #include "types.h"
 
-#ifndef REVISION_VERSION
-#define REVISION_VERSION_STR ""
-#else
-#define REVISION_VERSION_STR " "REVISION_VERSION
-#endif
-
 extern struct list_head hardif_list;
 
 extern unsigned char broadcast_addr[];
@@ -133,10 +154,10 @@ int mesh_init(struct net_device *soft_iface);
 void mesh_free(struct net_device *soft_iface);
 void inc_module_count(void);
 void dec_module_count(void);
-int is_my_mac(uint8_t *addr);
+int is_my_mac(const uint8_t *addr);
 
 #ifdef CONFIG_BATMAN_ADV_DEBUG
-int debug_log(struct bat_priv *bat_priv, char *fmt, ...);
+int debug_log(struct bat_priv *bat_priv, const char *fmt, ...) __printf(2, 3);
 
 #define bat_dbg(type, bat_priv, fmt, arg...)                    \
         do {                                                    \
@@ -145,9 +166,10 @@ int debug_log(struct bat_priv *bat_priv, char *fmt, ...);
         }                                                       \
         while (0)
 #else /* !CONFIG_BATMAN_ADV_DEBUG */
-static inline void bat_dbg(char type __always_unused,
+__printf(3, 4)
+static inline void bat_dbg(int type __always_unused,
                            struct bat_priv *bat_priv __always_unused,
-                           char *fmt __always_unused, ...)
+                           const char *fmt __always_unused, ...)
 {
 }
 #endif
@@ -172,11 +194,32 @@ static inline void bat_dbg(char type __always_unused,
  *
  * note: can't use compare_ether_addr() as it requires aligned memory
  */
-static inline int compare_eth(void *data1, void *data2)
+
+static inline int compare_eth(const void *data1, const void *data2)
 {
         return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
 }
 
+
 #define atomic_dec_not_zero(v)  atomic_add_unless((v), -1, 0)
 
+/* Returns the smallest signed integer in two's complement with the sizeof x */
+#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
+
+/* Checks if a sequence number x is a predecessor/successor of y.
+ * they handle overflows/underflows and can correctly check for a
+ * predecessor/successor unless the variable sequence number has grown by
+ * more then 2**(bitwidth(x)-1)-1.
+ * This means that for a uint8_t with the maximum value 255, it would think:
+ *  - when adding nothing - it is neither a predecessor nor a successor
+ *  - before adding more than 127 to the starting value - it is a predecessor,
+ *  - when adding 128 - it is neither a predecessor nor a successor,
+ *  - after adding more than 127 to the starting value - it is a successor */
+#define seq_before(x, y) ({typeof(x) _d1 = (x); \
+                          typeof(y) _d2 = (y); \
+                          typeof(x) _dummy = (_d1 - _d2); \
+                          (void) (&_d1 == &_d2); \
+                          _dummy > smallest_signed_int(_dummy); })
+#define seq_after(x, y) seq_before(y, x)
+
 #endif /* _NET_BATMAN_ADV_MAIN_H_ */
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 40a30bbcd147..f3c3f620d195 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -37,6 +37,14 @@ static void start_purge_timer(struct bat_priv *bat_priv)
         queue_delayed_work(bat_event_workqueue, &bat_priv->orig_work, 1 * HZ);
 }
 
+/* returns 1 if they are the same originator */
+static int compare_orig(const struct hlist_node *node, const void *data2)
+{
+        const void *data1 = container_of(node, struct orig_node, hash_entry);
+
+        return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
+}
+
 int originator_init(struct bat_priv *bat_priv)
 {
         if (bat_priv->orig_hash)
@@ -77,7 +85,7 @@ struct neigh_node *orig_node_get_router(struct orig_node *orig_node)
 
 struct neigh_node *create_neighbor(struct orig_node *orig_node,
                                    struct orig_node *orig_neigh_node,
-                                   uint8_t *neigh,
+                                   const uint8_t *neigh,
                                    struct hard_iface *if_incoming)
 {
         struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
@@ -86,7 +94,7 @@ struct neigh_node *create_neighbor(struct orig_node *orig_node,
         bat_dbg(DBG_BATMAN, bat_priv,
                 "Creating new last-hop neighbor of originator\n");
 
-        neigh_node = kzalloc(sizeof(struct neigh_node), GFP_ATOMIC);
+        neigh_node = kzalloc(sizeof(*neigh_node), GFP_ATOMIC);
         if (!neigh_node)
                 return NULL;
 
@@ -137,6 +145,7 @@ static void orig_node_free_rcu(struct rcu_head *rcu)
         tt_global_del_orig(orig_node->bat_priv, orig_node,
                             "originator timed out");
 
+        kfree(orig_node->tt_buff);
         kfree(orig_node->bcast_own);
         kfree(orig_node->bcast_own_sum);
         kfree(orig_node);
@@ -183,7 +192,7 @@ void originator_free(struct bat_priv *bat_priv)
 
 /* this function finds or creates an originator entry for the given
  * address if it does not exits */
-struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
+struct orig_node *get_orig_node(struct bat_priv *bat_priv, const uint8_t *addr)
 {
         struct orig_node *orig_node;
         int size;
@@ -196,7 +205,7 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
         bat_dbg(DBG_BATMAN, bat_priv,
                 "Creating new originator: %pM\n", addr);
 
-        orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
+        orig_node = kzalloc(sizeof(*orig_node), GFP_ATOMIC);
         if (!orig_node)
                 return NULL;
 
@@ -205,14 +214,20 @@ struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr)
         spin_lock_init(&orig_node->ogm_cnt_lock);
         spin_lock_init(&orig_node->bcast_seqno_lock);
         spin_lock_init(&orig_node->neigh_list_lock);
+        spin_lock_init(&orig_node->tt_buff_lock);
 
         /* extra reference for return */
         atomic_set(&orig_node->refcount, 2);
 
+        orig_node->tt_poss_change = false;
         orig_node->bat_priv = bat_priv;
         memcpy(orig_node->orig, addr, ETH_ALEN);
         orig_node->router = NULL;
+        orig_node->tt_crc = 0;
+        atomic_set(&orig_node->last_ttvn, 0);
         orig_node->tt_buff = NULL;
+        orig_node->tt_buff_len = 0;
+        atomic_set(&orig_node->tt_size, 0);
         orig_node->bcast_seqno_reset = jiffies - 1
                                         - msecs_to_jiffies(RESET_PROTECTION_MS);
         orig_node->batman_seqno_reset = jiffies - 1
@@ -322,9 +337,7 @@ static bool purge_orig_node(struct bat_priv *bat_priv,
                 if (purge_orig_neighbors(bat_priv, orig_node,
                                                         &best_neigh_node)) {
                         update_routes(bat_priv, orig_node,
-                                      best_neigh_node,
-                                      orig_node->tt_buff,
-                                      orig_node->tt_buff_len);
+                                      best_neigh_node);
                 }
         }
 
@@ -419,9 +432,8 @@ int orig_seq_print_text(struct seq_file *seq, void *offset)
                 goto out;
         }
 
-        seq_printf(seq, "[B.A.T.M.A.N. adv %s%s, MainIF/MAC: %s/%pM (%s)]\n",
-                   SOURCE_VERSION, REVISION_VERSION_STR,
-                   primary_if->net_dev->name,
+        seq_printf(seq, "[B.A.T.M.A.N. adv %s, MainIF/MAC: %s/%pM (%s)]\n",
+                   SOURCE_VERSION, primary_if->net_dev->name,
                    primary_if->net_dev->dev_addr, net_dev->name);
         seq_printf(seq, "  %-15s %s (%s/%i) %17s [%10s]: %20s ...\n",
                    "Originator", "last-seen", "#", TQ_MAX_VALUE, "Nexthop",
@@ -559,7 +571,7 @@ static int orig_node_del_if(struct orig_node *orig_node,
         memcpy(data_ptr, orig_node->bcast_own, del_if_num * chunk_size);
 
         /* copy second part */
-        memcpy(data_ptr + del_if_num * chunk_size,
+        memcpy((char *)data_ptr + del_if_num * chunk_size,
                orig_node->bcast_own + ((del_if_num + 1) * chunk_size),
                (max_if_num - del_if_num) * chunk_size);
 
@@ -579,7 +591,7 @@ free_bcast_own:
         memcpy(data_ptr, orig_node->bcast_own_sum,
                del_if_num * sizeof(uint8_t));
 
-        memcpy(data_ptr + del_if_num * sizeof(uint8_t),
+        memcpy((char *)data_ptr + del_if_num * sizeof(uint8_t),
                orig_node->bcast_own_sum + ((del_if_num + 1) * sizeof(uint8_t)),
                (max_if_num - del_if_num) * sizeof(uint8_t));
 
diff --git a/net/batman-adv/originator.h b/net/batman-adv/originator.h
index e1d641f27aa9..cfc1f60a96a1 100644
--- a/net/batman-adv/originator.h
+++ b/net/batman-adv/originator.h
@@ -28,10 +28,10 @@ int originator_init(struct bat_priv *bat_priv);
 void originator_free(struct bat_priv *bat_priv);
 void purge_orig_ref(struct bat_priv *bat_priv);
 void orig_node_free_ref(struct orig_node *orig_node);
-struct orig_node *get_orig_node(struct bat_priv *bat_priv, uint8_t *addr);
+struct orig_node *get_orig_node(struct bat_priv *bat_priv, const uint8_t *addr);
 struct neigh_node *create_neighbor(struct orig_node *orig_node,
                                    struct orig_node *orig_neigh_node,
-                                   uint8_t *neigh,
+                                   const uint8_t *neigh,
                                    struct hard_iface *if_incoming);
 void neigh_node_free_ref(struct neigh_node *neigh_node);
 struct neigh_node *orig_node_get_router(struct orig_node *orig_node);
@@ -40,19 +40,11 @@ int orig_hash_add_if(struct hard_iface *hard_iface, int max_if_num);
 int orig_hash_del_if(struct hard_iface *hard_iface, int max_if_num);
 
 
-/* returns 1 if they are the same originator */
-static inline int compare_orig(struct hlist_node *node, void *data2)
-{
-        void *data1 = container_of(node, struct orig_node, hash_entry);
-
-        return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
-}
-
 /* hashfunction to choose an entry in a hash table of given size */
 /* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */
-static inline int choose_orig(void *data, int32_t size)
+static inline int choose_orig(const void *data, int32_t size)
 {
-        unsigned char *key = data;
+        const unsigned char *key = data;
         uint32_t hash = 0;
         size_t i;
 
@@ -70,7 +62,7 @@ static inline int choose_orig(void *data, int32_t size)
 }
 
 static inline struct orig_node *orig_hash_find(struct bat_priv *bat_priv,
-                                               void *data)
+                                               const void *data)
 {
         struct hashtable_t *hash = bat_priv->orig_hash;
         struct hlist_head *head;
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index eda99650e9f8..b76b4be10b92 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -24,46 +24,84 @@
 
 #define ETH_P_BATMAN  0x4305    /* unofficial/not registered Ethertype */
 
-#define BAT_PACKET       0x01
-#define BAT_ICMP         0x02
-#define BAT_UNICAST      0x03
-#define BAT_BCAST        0x04
-#define BAT_VIS          0x05
-#define BAT_UNICAST_FRAG 0x06
+enum bat_packettype {
+        BAT_PACKET       = 0x01,
+        BAT_ICMP         = 0x02,
+        BAT_UNICAST      = 0x03,
+        BAT_BCAST        = 0x04,
+        BAT_VIS          = 0x05,
+        BAT_UNICAST_FRAG = 0x06,
+        BAT_TT_QUERY     = 0x07,
+        BAT_ROAM_ADV     = 0x08
+};
 
 /* this file is included by batctl which needs these defines */
-#define COMPAT_VERSION 12
-#define DIRECTLINK 0x40
-#define VIS_SERVER 0x20
-#define PRIMARIES_FIRST_HOP 0x10
+#define COMPAT_VERSION 14
+
+enum batman_flags {
+        PRIMARIES_FIRST_HOP = 1 << 4,
+        VIS_SERVER          = 1 << 5,
+        DIRECTLINK          = 1 << 6
+};
 
 /* ICMP message types */
-#define ECHO_REPLY 0
-#define DESTINATION_UNREACHABLE 3
-#define ECHO_REQUEST 8
-#define TTL_EXCEEDED 11
-#define PARAMETER_PROBLEM 12
+enum icmp_packettype {
+        ECHO_REPLY              = 0,
+        DESTINATION_UNREACHABLE = 3,
+        ECHO_REQUEST            = 8,
+        TTL_EXCEEDED            = 11,
+        PARAMETER_PROBLEM       = 12
+};
 
 /* vis defines */
-#define VIS_TYPE_SERVER_SYNC            0
-#define VIS_TYPE_CLIENT_UPDATE          1
+enum vis_packettype {
+        VIS_TYPE_SERVER_SYNC   = 0,
+        VIS_TYPE_CLIENT_UPDATE = 1
+};
 
 /* fragmentation defines */
-#define UNI_FRAG_HEAD 0x01
-#define UNI_FRAG_LARGETAIL 0x02
+enum unicast_frag_flags {
+        UNI_FRAG_HEAD      = 1 << 0,
+        UNI_FRAG_LARGETAIL = 1 << 1
+};
+
+/* TT_QUERY subtypes */
+#define TT_QUERY_TYPE_MASK 0x3
+
+enum tt_query_packettype {
+        TT_REQUEST    = 0,
+        TT_RESPONSE   = 1
+};
+
+/* TT_QUERY flags */
+enum tt_query_flags {
+        TT_FULL_TABLE = 1 << 2
+};
+
+/* TT_CLIENT flags.
+ * Flags from 1 to 1 << 7 are sent on the wire, while flags from 1 << 8 to
+ * 1 << 15 are used for local computation only */
+enum tt_client_flags {
+        TT_CLIENT_DEL     = 1 << 0,
+        TT_CLIENT_ROAM    = 1 << 1,
+        TT_CLIENT_NOPURGE = 1 << 8,
+        TT_CLIENT_NEW     = 1 << 9,
+        TT_CLIENT_PENDING = 1 << 10
+};
 
 struct batman_packet {
         uint8_t  packet_type;
         uint8_t  version;  /* batman version field */
+        uint8_t  ttl;
         uint8_t  flags;    /* 0x40: DIRECTLINK flag, 0x20 VIS_SERVER flag... */
-        uint8_t  tq;
         uint32_t seqno;
         uint8_t  orig[6];
         uint8_t  prev_sender[6];
-        uint8_t  ttl;
-        uint8_t  num_tt;
         uint8_t  gw_flags;  /* flags related to gateway class */
-        uint8_t  align;
+        uint8_t  tq;
+        uint8_t  tt_num_changes;
+        uint8_t  ttvn; /* translation table version number */
+        uint16_t tt_crc;
 } __packed;
 
 #define BAT_PACKET_LEN sizeof(struct batman_packet)
@@ -71,12 +109,13 @@ struct batman_packet {
 struct icmp_packet {
         uint8_t  packet_type;
         uint8_t  version;  /* batman version field */
-        uint8_t  msg_type; /* see ICMP message types above */
         uint8_t  ttl;
+        uint8_t  msg_type; /* see ICMP message types above */
         uint8_t  dst[6];
         uint8_t  orig[6];
         uint16_t seqno;
         uint8_t  uid;
+        uint8_t  reserved;
 } __packed;
 
 #define BAT_RR_LEN 16
@@ -86,8 +125,8 @@ struct icmp_packet {
 struct icmp_packet_rr {
         uint8_t  packet_type;
         uint8_t  version;  /* batman version field */
-        uint8_t  msg_type; /* see ICMP message types above */
         uint8_t  ttl;
+        uint8_t  msg_type; /* see ICMP message types above */
         uint8_t  dst[6];
         uint8_t  orig[6];
         uint16_t seqno;
@@ -99,16 +138,19 @@ struct icmp_packet_rr {
 struct unicast_packet {
         uint8_t  packet_type;
         uint8_t  version;  /* batman version field */
-        uint8_t  dest[6];
         uint8_t  ttl;
+        uint8_t  ttvn; /* destination translation table version number */
+        uint8_t  dest[6];
 } __packed;
 
 struct unicast_frag_packet {
         uint8_t  packet_type;
         uint8_t  version;  /* batman version field */
-        uint8_t  dest[6];
         uint8_t  ttl;
+        uint8_t  ttvn; /* destination translation table version number */
+        uint8_t  dest[6];
         uint8_t  flags;
+        uint8_t  align;
         uint8_t  orig[6];
         uint16_t seqno;
 } __packed;
@@ -116,21 +158,61 @@ struct unicast_frag_packet {
 struct bcast_packet {
         uint8_t  packet_type;
         uint8_t  version;  /* batman version field */
-        uint8_t  orig[6];
         uint8_t  ttl;
+        uint8_t  reserved;
         uint32_t seqno;
+        uint8_t  orig[6];
 } __packed;
 
 struct vis_packet {
         uint8_t  packet_type;
         uint8_t  version;        /* batman version field */
+        uint8_t  ttl;            /* TTL */
         uint8_t  vis_type;       /* which type of vis-participant sent this? */
-        uint8_t  entries;        /* number of entries behind this struct */
         uint32_t seqno;          /* sequence number */
-        uint8_t  ttl;            /* TTL */
+        uint8_t  entries;        /* number of entries behind this struct */
+        uint8_t  reserved;
         uint8_t  vis_orig[6];    /* originator that announces its neighbors */
         uint8_t  target_orig[6]; /* who should receive this packet */
         uint8_t  sender_orig[6]; /* who sent or rebroadcasted this packet */
 } __packed;
 
+struct tt_query_packet {
+        uint8_t  packet_type;
+        uint8_t  version;  /* batman version field */
+        uint8_t  ttl;
+        /* the flag field is a combination of:
+         * - TT_REQUEST or TT_RESPONSE
+         * - TT_FULL_TABLE */
+        uint8_t  flags;
+        uint8_t  dst[ETH_ALEN];
+        uint8_t  src[ETH_ALEN];
+        /* the ttvn field is:
+         * if TT_REQUEST: ttvn that triggered the
+         *                request
+         * if TT_RESPONSE: new ttvn for the src
+         *                 orig_node */
+        uint8_t  ttvn;
+        /* tt_data field is:
+         * if TT_REQUEST: crc associated with the
+         *                ttvn
+         * if TT_RESPONSE: table_size */
+        uint16_t tt_data;
+} __packed;
+
+struct roam_adv_packet {
+        uint8_t  packet_type;
+        uint8_t  version;
+        uint8_t  ttl;
+        uint8_t  reserved;
+        uint8_t  dst[ETH_ALEN];
+        uint8_t  src[ETH_ALEN];
+        uint8_t  client[ETH_ALEN];
+} __packed;
+
+struct tt_change {
+        uint8_t flags;
+        uint8_t addr[ETH_ALEN];
+} __packed;
+
 #endif /* _NET_BATMAN_ADV_PACKET_H_ */
diff --git a/net/batman-adv/ring_buffer.c b/net/batman-adv/ring_buffer.c
index 5bb6a619afee..f1ccfa76ce8a 100644
--- a/net/batman-adv/ring_buffer.c
+++ b/net/batman-adv/ring_buffer.c
@@ -28,9 +28,9 @@ void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value)
         *lq_index = (*lq_index + 1) % TQ_GLOBAL_WINDOW_SIZE;
 }
 
-uint8_t ring_buffer_avg(uint8_t lq_recv[])
+uint8_t ring_buffer_avg(const uint8_t lq_recv[])
 {
-        uint8_t *ptr;
+        const uint8_t *ptr;
         uint16_t count = 0, i = 0, sum = 0;
 
         ptr = lq_recv;
diff --git a/net/batman-adv/ring_buffer.h b/net/batman-adv/ring_buffer.h
index 0395b2741864..7cdfe62b657c 100644
--- a/net/batman-adv/ring_buffer.h
+++ b/net/batman-adv/ring_buffer.h
@@ -23,6 +23,6 @@
 #define _NET_BATMAN_ADV_RING_BUFFER_H_
 
 void ring_buffer_set(uint8_t lq_recv[], uint8_t *lq_index, uint8_t value);
-uint8_t ring_buffer_avg(uint8_t lq_recv[]);
+uint8_t ring_buffer_avg(const uint8_t lq_recv[]);
 
 #endif /* _NET_BATMAN_ADV_RING_BUFFER_H_ */
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index bb1c3ec7e3ff..0f32c818874d 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -64,28 +64,69 @@ void slide_own_bcast_window(struct hard_iface *hard_iface)
         }
 }
 
-static void update_TT(struct bat_priv *bat_priv, struct orig_node *orig_node,
-                       unsigned char *tt_buff, int tt_buff_len)
+static void update_transtable(struct bat_priv *bat_priv,
+                              struct orig_node *orig_node,
+                              const unsigned char *tt_buff,
+                              uint8_t tt_num_changes, uint8_t ttvn,
+                              uint16_t tt_crc)
 {
-        if ((tt_buff_len != orig_node->tt_buff_len) ||
-            ((tt_buff_len > 0) &&
-             (orig_node->tt_buff_len > 0) &&
-             (memcmp(orig_node->tt_buff, tt_buff, tt_buff_len) != 0))) {
-
-                if (orig_node->tt_buff_len > 0)
-                        tt_global_del_orig(bat_priv, orig_node,
-                                            "originator changed tt");
-
-                if ((tt_buff_len > 0) && (tt_buff))
-                        tt_global_add_orig(bat_priv, orig_node,
-                                            tt_buff, tt_buff_len);
+        uint8_t orig_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
+        bool full_table = true;
+
+        /* the ttvn increased by one -> we can apply the attached changes */
+        if (ttvn - orig_ttvn == 1) {
+                /* the OGM could not contain the changes because they were too
+                 * many to fit in one frame or because they have already been
+                 * sent TT_OGM_APPEND_MAX times. In this case send a tt
+                 * request */
+                if (!tt_num_changes) {
+                        full_table = false;
+                        goto request_table;
+                }
+
+                tt_update_changes(bat_priv, orig_node, tt_num_changes, ttvn,
+                                  (struct tt_change *)tt_buff);
+
+                /* Even if we received the crc into the OGM, we prefer
+                 * to recompute it to spot any possible inconsistency
+                 * in the global table */
+                orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
+
+                /* The ttvn alone is not enough to guarantee consistency
+                 * because a single value could repesent different states
+                 * (due to the wrap around). Thus a node has to check whether
+                 * the resulting table (after applying the changes) is still
+                 * consistent or not. E.g. a node could disconnect while its
+                 * ttvn is X and reconnect on ttvn = X + TTVN_MAX: in this case
+                 * checking the CRC value is mandatory to detect the
+                 * inconsistency */
+                if (orig_node->tt_crc != tt_crc)
+                        goto request_table;
+
+                /* Roaming phase is over: tables are in sync again. I can
+                 * unset the flag */
+                orig_node->tt_poss_change = false;
+        } else {
+                /* if we missed more than one change or our tables are not
+                 * in sync anymore -> request fresh tt data */
+                if (ttvn != orig_ttvn || orig_node->tt_crc != tt_crc) {
+request_table:
+                        bat_dbg(DBG_TT, bat_priv, "TT inconsistency for %pM. "
+                                "Need to retrieve the correct information "
+                                "(ttvn: %u last_ttvn: %u crc: %u last_crc: "
+                                "%u num_changes: %u)\n", orig_node->orig, ttvn,
+                                orig_ttvn, tt_crc, orig_node->tt_crc,
+                                tt_num_changes);
+                        send_tt_request(bat_priv, orig_node, ttvn, tt_crc,
+                                        full_table);
+                        return;
+                }
         }
 }
 
 static void update_route(struct bat_priv *bat_priv,
                          struct orig_node *orig_node,
-                         struct neigh_node *neigh_node,
-                         unsigned char *tt_buff, int tt_buff_len)
+                         struct neigh_node *neigh_node)
 {
         struct neigh_node *curr_router;
 
@@ -93,11 +134,10 @@ static void update_route(struct bat_priv *bat_priv,
 
         /* route deleted */
         if ((curr_router) && (!neigh_node)) {
-
                 bat_dbg(DBG_ROUTES, bat_priv, "Deleting route towards: %pM\n",
                         orig_node->orig);
                 tt_global_del_orig(bat_priv, orig_node,
-                                    "originator timed out");
+                                    "Deleted route towards originator");
 
         /* route added */
         } else if ((!curr_router) && (neigh_node)) {
@@ -105,11 +145,8 @@ static void update_route(struct bat_priv *bat_priv,
                 bat_dbg(DBG_ROUTES, bat_priv,
                         "Adding route towards: %pM (via %pM)\n",
                         orig_node->orig, neigh_node->addr);
-                tt_global_add_orig(bat_priv, orig_node,
-                                    tt_buff, tt_buff_len);
-
         /* route changed */
-        } else {
+        } else if (neigh_node && curr_router) {
                 bat_dbg(DBG_ROUTES, bat_priv,
                         "Changing route towards: %pM "
                         "(now via %pM - was via %pM)\n",
@@ -133,10 +170,8 @@ static void update_route(struct bat_priv *bat_priv,
                 neigh_node_free_ref(curr_router);
 }
 
-
 void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
-                   struct neigh_node *neigh_node, unsigned char *tt_buff,
-                   int tt_buff_len)
+                   struct neigh_node *neigh_node)
 {
         struct neigh_node *router = NULL;
 
@@ -146,11 +181,7 @@ void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
         router = orig_node_get_router(orig_node);
 
         if (router != neigh_node)
-                update_route(bat_priv, orig_node, neigh_node,
-                             tt_buff, tt_buff_len);
-        /* may be just TT changed */
-        else
-                update_TT(bat_priv, orig_node, tt_buff, tt_buff_len);
+                update_route(bat_priv, orig_node, neigh_node);
 
 out:
         if (router)
@@ -165,7 +196,7 @@ static int is_bidirectional_neigh(struct orig_node *orig_node,
         struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
         struct neigh_node *neigh_node = NULL, *tmp_neigh_node;
         struct hlist_node *node;
-        unsigned char total_count;
+        uint8_t total_count;
         uint8_t orig_eq_count, neigh_rq_count, tq_own;
         int tq_asym_penalty, ret = 0;
 
@@ -348,9 +379,9 @@ out:
 }
 
 /* copy primary address for bonding */
-static void bonding_save_primary(struct orig_node *orig_node,
+static void bonding_save_primary(const struct orig_node *orig_node,
                                  struct orig_node *orig_neigh_node,
-                                 struct batman_packet *batman_packet)
+                                 const struct batman_packet *batman_packet)
 {
         if (!(batman_packet->flags & PRIMARIES_FIRST_HOP))
                 return;
@@ -358,19 +389,16 @@ static void bonding_save_primary(struct orig_node *orig_node,
         memcpy(orig_neigh_node->primary_addr, orig_node->orig, ETH_ALEN);
 }
 
-static void update_orig(struct bat_priv *bat_priv,
-                        struct orig_node *orig_node,
-                        struct ethhdr *ethhdr,
-                        struct batman_packet *batman_packet,
+static void update_orig(struct bat_priv *bat_priv, struct orig_node *orig_node,
+                        const struct ethhdr *ethhdr,
+                        const struct batman_packet *batman_packet,
                         struct hard_iface *if_incoming,
-                        unsigned char *tt_buff, int tt_buff_len,
-                        char is_duplicate)
+                        const unsigned char *tt_buff, int is_duplicate)
 {
         struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
         struct neigh_node *router = NULL;
         struct orig_node *orig_node_tmp;
         struct hlist_node *node;
-        int tmp_tt_buff_len;
         uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
 
         bat_dbg(DBG_BATMAN, bat_priv, "update_originator(): "
@@ -435,9 +463,6 @@ static void update_orig(struct bat_priv *bat_priv,
 
         bonding_candidate_add(orig_node, neigh_node);
 
-        tmp_tt_buff_len = (tt_buff_len > batman_packet->num_tt * ETH_ALEN ?
-                            batman_packet->num_tt * ETH_ALEN : tt_buff_len);
-
         /* if this neighbor already is our next hop there is nothing
          * to change */
         router = orig_node_get_router(orig_node);
@@ -467,15 +492,19 @@ static void update_orig(struct bat_priv *bat_priv,
                         goto update_tt;
         }
 
-        update_routes(bat_priv, orig_node, neigh_node,
-                      tt_buff, tmp_tt_buff_len);
-        goto update_gw;
+        update_routes(bat_priv, orig_node, neigh_node);
 
 update_tt:
-        update_routes(bat_priv, orig_node, router,
-                      tt_buff, tmp_tt_buff_len);
+        /* I have to check for transtable changes only if the OGM has been
+         * sent through a primary interface */
+        if (((batman_packet->orig != ethhdr->h_source) &&
+                                (batman_packet->ttl > 2)) ||
+                                (batman_packet->flags & PRIMARIES_FIRST_HOP))
+                update_transtable(bat_priv, orig_node, tt_buff,
+                                  batman_packet->tt_num_changes,
+                                  batman_packet->ttvn,
+                                  batman_packet->tt_crc);
 
-update_gw:
         if (orig_node->gw_flags != batman_packet->gw_flags)
                 gw_node_update(bat_priv, orig_node, batman_packet->gw_flags);
 
@@ -531,15 +560,15 @@ static int window_protected(struct bat_priv *bat_priv,
  *  -1 the packet is old and has been received while the seqno window
  *     was protected. Caller should drop it.
  */
-static char count_real_packets(struct ethhdr *ethhdr,
-                               struct batman_packet *batman_packet,
-                               struct hard_iface *if_incoming)
+static int count_real_packets(const struct ethhdr *ethhdr,
+                               const struct batman_packet *batman_packet,
+                               const struct hard_iface *if_incoming)
 {
         struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
         struct orig_node *orig_node;
         struct neigh_node *tmp_neigh_node;
         struct hlist_node *node;
-        char is_duplicate = 0;
+        int is_duplicate = 0;
         int32_t seq_diff;
         int need_update = 0;
         int set_mark, ret = -1;
@@ -595,9 +624,9 @@ out:
         return ret;
 }
 
-void receive_bat_packet(struct ethhdr *ethhdr,
+void receive_bat_packet(const struct ethhdr *ethhdr,
                         struct batman_packet *batman_packet,
-                        unsigned char *tt_buff, int tt_buff_len,
+                        const unsigned char *tt_buff,
                         struct hard_iface *if_incoming)
 {
         struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
@@ -605,10 +634,10 @@ void receive_bat_packet(struct ethhdr *ethhdr,
         struct orig_node *orig_neigh_node, *orig_node;
         struct neigh_node *router = NULL, *router_router = NULL;
         struct neigh_node *orig_neigh_router = NULL;
-        char has_directlink_flag;
-        char is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
-        char is_broadcast = 0, is_bidirectional, is_single_hop_neigh;
-        char is_duplicate;
+        int has_directlink_flag;
+        int is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
+        int is_broadcast = 0, is_bidirectional, is_single_hop_neigh;
+        int is_duplicate;
         uint32_t if_incoming_seqno;
 
         /* Silently drop when the batman packet is actually not a
@@ -636,12 +665,14 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 
         bat_dbg(DBG_BATMAN, bat_priv,
                 "Received BATMAN packet via NB: %pM, IF: %s [%pM] "
-                "(from OG: %pM, via prev OG: %pM, seqno %d, tq %d, "
-                "TTL %d, V %d, IDF %d)\n",
+                "(from OG: %pM, via prev OG: %pM, seqno %d, ttvn %u, "
+                "crc %u, changes %u, td %d, TTL %d, V %d, IDF %d)\n",
                 ethhdr->h_source, if_incoming->net_dev->name,
                 if_incoming->net_dev->dev_addr, batman_packet->orig,
                 batman_packet->prev_sender, batman_packet->seqno,
-                batman_packet->tq, batman_packet->ttl, batman_packet->version,
+                batman_packet->ttvn, batman_packet->tt_crc,
+                batman_packet->tt_num_changes, batman_packet->tq,
+                batman_packet->ttl, batman_packet->version,
                 has_directlink_flag);
 
         rcu_read_lock();
@@ -664,7 +695,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
                                 hard_iface->net_dev->dev_addr))
                         is_my_oldorig = 1;
 
-                if (compare_eth(ethhdr->h_source, broadcast_addr))
+                if (is_broadcast_ether_addr(ethhdr->h_source))
                         is_broadcast = 1;
         }
         rcu_read_unlock();
@@ -701,17 +732,16 @@ void receive_bat_packet(struct ethhdr *ethhdr,
 
                 /* neighbor has to indicate direct link and it has to
                  * come via the corresponding interface */
-                /* if received seqno equals last send seqno save new
-                 * seqno for bidirectional check */
+                /* save packet seqno for bidirectional check */
                 if (has_directlink_flag &&
                     compare_eth(if_incoming->net_dev->dev_addr,
-                                batman_packet->orig) &&
-                    (batman_packet->seqno - if_incoming_seqno + 2 == 0)) {
+                                batman_packet->orig)) {
                         offset = if_incoming->if_num * NUM_WORDS;
 
                         spin_lock_bh(&orig_neigh_node->ogm_cnt_lock);
                         word = &(orig_neigh_node->bcast_own[offset]);
-                        bit_mark(word, 0);
+                        bit_mark(word,
+                                 if_incoming_seqno - batman_packet->seqno - 2);
                         orig_neigh_node->bcast_own_sum[if_incoming->if_num] =
                                 bit_packet_count(word);
                         spin_unlock_bh(&orig_neigh_node->ogm_cnt_lock);
@@ -794,14 +824,14 @@ void receive_bat_packet(struct ethhdr *ethhdr,
              ((orig_node->last_real_seqno == batman_packet->seqno) &&
               (orig_node->last_ttl - 3 <= batman_packet->ttl))))
                 update_orig(bat_priv, orig_node, ethhdr, batman_packet,
-                            if_incoming, tt_buff, tt_buff_len, is_duplicate);
+                            if_incoming, tt_buff, is_duplicate);
 
         /* is single hop (direct) neighbor */
         if (is_single_hop_neigh) {
 
                 /* mark direct link on incoming interface */
                 schedule_forward_packet(orig_node, ethhdr, batman_packet,
-                                        1, tt_buff_len, if_incoming);
+                                        1, if_incoming);
 
                 bat_dbg(DBG_BATMAN, bat_priv, "Forwarding packet: "
                         "rebroadcast neighbor packet with direct link flag\n");
@@ -824,7 +854,7 @@ void receive_bat_packet(struct ethhdr *ethhdr,
         bat_dbg(DBG_BATMAN, bat_priv,
                 "Forwarding packet: rebroadcast originator packet\n");
         schedule_forward_packet(orig_node, ethhdr, batman_packet,
-                                0, tt_buff_len, if_incoming);
+                                0, if_incoming);
 
 out_neigh:
         if ((orig_neigh_node) && (!is_single_hop_neigh))
@@ -1077,7 +1107,7 @@ out:
  * This method rotates the bonding list and increases the
  * returned router's refcount. */
 static struct neigh_node *find_bond_router(struct orig_node *primary_orig,
-                                           struct hard_iface *recv_if)
+                                           const struct hard_iface *recv_if)
 {
         struct neigh_node *tmp_neigh_node;
         struct neigh_node *router = NULL, *first_candidate = NULL;
@@ -1128,7 +1158,7 @@ out:
  *
  * Increases the returned router's refcount */
 static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
-                                              struct hard_iface *recv_if)
+                                              const struct hard_iface *recv_if)
 {
         struct neigh_node *tmp_neigh_node;
         struct neigh_node *router = NULL, *first_candidate = NULL;
@@ -1171,12 +1201,124 @@ static struct neigh_node *find_ifalter_router(struct orig_node *primary_orig,
         return router;
 }
 
+int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if)
+{
+        struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
+        struct tt_query_packet *tt_query;
+        struct ethhdr *ethhdr;
+
+        /* drop packet if it has not necessary minimum size */
+        if (unlikely(!pskb_may_pull(skb, sizeof(struct tt_query_packet))))
+                goto out;
+
+        /* I could need to modify it */
+        if (skb_cow(skb, sizeof(struct tt_query_packet)) < 0)
+                goto out;
+
+        ethhdr = (struct ethhdr *)skb_mac_header(skb);
+
+        /* packet with unicast indication but broadcast recipient */
+        if (is_broadcast_ether_addr(ethhdr->h_dest))
+                goto out;
+
+        /* packet with broadcast sender address */
+        if (is_broadcast_ether_addr(ethhdr->h_source))
+                goto out;
+
+        tt_query = (struct tt_query_packet *)skb->data;
+
+        tt_query->tt_data = ntohs(tt_query->tt_data);
+
+        switch (tt_query->flags & TT_QUERY_TYPE_MASK) {
+        case TT_REQUEST:
+                /* If we cannot provide an answer the tt_request is
+                 * forwarded */
+                if (!send_tt_response(bat_priv, tt_query)) {
+                        bat_dbg(DBG_TT, bat_priv,
+                                "Routing TT_REQUEST to %pM [%c]\n",
+                                tt_query->dst,
+                                (tt_query->flags & TT_FULL_TABLE ? 'F' : '.'));
+                        tt_query->tt_data = htons(tt_query->tt_data);
+                        return route_unicast_packet(skb, recv_if);
+                }
+                break;
+        case TT_RESPONSE:
+                /* packet needs to be linearised to access the TT changes */
+                if (skb_linearize(skb) < 0)
+                        goto out;
+
+                if (is_my_mac(tt_query->dst))
+                        handle_tt_response(bat_priv, tt_query);
+                else {
+                        bat_dbg(DBG_TT, bat_priv,
+                                "Routing TT_RESPONSE to %pM [%c]\n",
+                                tt_query->dst,
+                                (tt_query->flags & TT_FULL_TABLE ? 'F' : '.'));
+                        tt_query->tt_data = htons(tt_query->tt_data);
+                        return route_unicast_packet(skb, recv_if);
+                }
+                break;
+        }
+
+out:
+        /* returning NET_RX_DROP will make the caller function kfree the skb */
+        return NET_RX_DROP;
+}
+
+int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if)
+{
+        struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
+        struct roam_adv_packet *roam_adv_packet;
+        struct orig_node *orig_node;
+        struct ethhdr *ethhdr;
+
+        /* drop packet if it has not necessary minimum size */
+        if (unlikely(!pskb_may_pull(skb, sizeof(struct roam_adv_packet))))
+                goto out;
+
+        ethhdr = (struct ethhdr *)skb_mac_header(skb);
+
+        /* packet with unicast indication but broadcast recipient */
+        if (is_broadcast_ether_addr(ethhdr->h_dest))
+                goto out;
+
+        /* packet with broadcast sender address */
+        if (is_broadcast_ether_addr(ethhdr->h_source))
+                goto out;
+
+        roam_adv_packet = (struct roam_adv_packet *)skb->data;
+
+        if (!is_my_mac(roam_adv_packet->dst))
+                return route_unicast_packet(skb, recv_if);
+
+        orig_node = orig_hash_find(bat_priv, roam_adv_packet->src);
+        if (!orig_node)
+                goto out;
+
+        bat_dbg(DBG_TT, bat_priv, "Received ROAMING_ADV from %pM "
+                "(client %pM)\n", roam_adv_packet->src,
+                roam_adv_packet->client);
+
+        tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
+                      atomic_read(&orig_node->last_ttvn) + 1, true);
+
+        /* Roaming phase starts: I have new information but the ttvn has not
+         * been incremented yet. This flag will make me check all the incoming
+         * packets for the correct destination. */
+        bat_priv->tt_poss_change = true;
+
+        orig_node_free_ref(orig_node);
+out:
+        /* returning NET_RX_DROP will make the caller function kfree the skb */
+        return NET_RX_DROP;
+}
+
 /* find a suitable router for this originator, and use
  * bonding if possible. increases the found neighbors
  * refcount.*/
 struct neigh_node *find_router(struct bat_priv *bat_priv,
                                struct orig_node *orig_node,
-                               struct hard_iface *recv_if)
+                               const struct hard_iface *recv_if)
 {
         struct orig_node *primary_orig_node;
         struct orig_node *router_orig;
@@ -1240,6 +1382,9 @@ struct neigh_node *find_router(struct bat_priv *bat_priv,
                 router = find_ifalter_router(primary_orig_node, recv_if);
 
 return_router:
+        if (router && router->if_incoming->if_status != IF_ACTIVE)
+                goto err_unlock;
+
         rcu_read_unlock();
         return router;
 err_unlock:
@@ -1354,14 +1499,84 @@ out:
         return ret;
 }
 
+static int check_unicast_ttvn(struct bat_priv *bat_priv,
+                               struct sk_buff *skb) {
+        uint8_t curr_ttvn;
+        struct orig_node *orig_node;
+        struct ethhdr *ethhdr;
+        struct hard_iface *primary_if;
+        struct unicast_packet *unicast_packet;
+        bool tt_poss_change;
+
+        /* I could need to modify it */
+        if (skb_cow(skb, sizeof(struct unicast_packet)) < 0)
+                return 0;
+
+        unicast_packet = (struct unicast_packet *)skb->data;
+
+        if (is_my_mac(unicast_packet->dest)) {
+                tt_poss_change = bat_priv->tt_poss_change;
+                curr_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+        } else {
+                orig_node = orig_hash_find(bat_priv, unicast_packet->dest);
+
+                if (!orig_node)
+                        return 0;
+
+                curr_ttvn = (uint8_t)atomic_read(&orig_node->last_ttvn);
+                tt_poss_change = orig_node->tt_poss_change;
+                orig_node_free_ref(orig_node);
+        }
+
+        /* Check whether I have to reroute the packet */
+        if (seq_before(unicast_packet->ttvn, curr_ttvn) || tt_poss_change) {
+                /* Linearize the skb before accessing it */
+                if (skb_linearize(skb) < 0)
+                        return 0;
+
+                ethhdr = (struct ethhdr *)(skb->data +
+                        sizeof(struct unicast_packet));
+                orig_node = transtable_search(bat_priv, ethhdr->h_dest);
+
+                if (!orig_node) {
+                        if (!is_my_client(bat_priv, ethhdr->h_dest))
+                                return 0;
+                        primary_if = primary_if_get_selected(bat_priv);
+                        if (!primary_if)
+                                return 0;
+                        memcpy(unicast_packet->dest,
+                               primary_if->net_dev->dev_addr, ETH_ALEN);
+                        hardif_free_ref(primary_if);
+                } else {
+                        memcpy(unicast_packet->dest, orig_node->orig,
+                               ETH_ALEN);
+                        curr_ttvn = (uint8_t)
+                                atomic_read(&orig_node->last_ttvn);
+                        orig_node_free_ref(orig_node);
+                }
+
+                bat_dbg(DBG_ROUTES, bat_priv, "TTVN mismatch (old_ttvn %u "
+                        "new_ttvn %u)! Rerouting unicast packet (for %pM) to "
+                        "%pM\n", unicast_packet->ttvn, curr_ttvn,
+                        ethhdr->h_dest, unicast_packet->dest);
+
+                unicast_packet->ttvn = curr_ttvn;
+        }
+        return 1;
+}
+
 int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 {
+        struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
         struct unicast_packet *unicast_packet;
-        int hdr_size = sizeof(struct unicast_packet);
+        int hdr_size = sizeof(*unicast_packet);
 
         if (check_unicast_packet(skb, hdr_size) < 0)
                 return NET_RX_DROP;
 
+        if (!check_unicast_ttvn(bat_priv, skb))
+                return NET_RX_DROP;
+
         unicast_packet = (struct unicast_packet *)skb->data;
 
         /* packet for me */
@@ -1377,13 +1592,16 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if)
 {
         struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
         struct unicast_frag_packet *unicast_packet;
-        int hdr_size = sizeof(struct unicast_frag_packet);
+        int hdr_size = sizeof(*unicast_packet);
         struct sk_buff *new_skb = NULL;
         int ret;
 
         if (check_unicast_packet(skb, hdr_size) < 0)
                 return NET_RX_DROP;
 
+        if (!check_unicast_ttvn(bat_priv, skb))
+                return NET_RX_DROP;
+
         unicast_packet = (struct unicast_frag_packet *)skb->data;
 
         /* packet for me */
@@ -1413,7 +1631,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
         struct orig_node *orig_node = NULL;
         struct bcast_packet *bcast_packet;
         struct ethhdr *ethhdr;
-        int hdr_size = sizeof(struct bcast_packet);
+        int hdr_size = sizeof(*bcast_packet);
         int ret = NET_RX_DROP;
         int32_t seq_diff;
 
@@ -1471,7 +1689,7 @@ int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if)
         spin_unlock_bh(&orig_node->bcast_seqno_lock);
 
         /* rebroadcast packet */
-        add_bcast_packet_to_list(bat_priv, skb);
+        add_bcast_packet_to_list(bat_priv, skb, 1);
 
         /* broadcast for me */
         interface_rx(recv_if->soft_iface, skb, recv_if, hdr_size);
@@ -1491,7 +1709,7 @@ int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if)
         struct vis_packet *vis_packet;
         struct ethhdr *ethhdr;
         struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface);
-        int hdr_size = sizeof(struct vis_packet);
+        int hdr_size = sizeof(*vis_packet);
 
         /* keep skb linear */
         if (skb_linearize(skb) < 0)
diff --git a/net/batman-adv/routing.h b/net/batman-adv/routing.h
index 870f29842b28..fb14e9579b19 100644
--- a/net/batman-adv/routing.h
+++ b/net/batman-adv/routing.h
@@ -23,13 +23,12 @@
 #define _NET_BATMAN_ADV_ROUTING_H_
 
 void slide_own_bcast_window(struct hard_iface *hard_iface);
-void receive_bat_packet(struct ethhdr *ethhdr,
-                                struct batman_packet *batman_packet,
-                                unsigned char *tt_buff, int tt_buff_len,
-                                struct hard_iface *if_incoming);
+void receive_bat_packet(const struct ethhdr *ethhdr,
+                        struct batman_packet *batman_packet,
+                        const unsigned char *tt_buff,
+                        struct hard_iface *if_incoming);
 void update_routes(struct bat_priv *bat_priv, struct orig_node *orig_node,
-                   struct neigh_node *neigh_node, unsigned char *tt_buff,
-                   int tt_buff_len);
+                   struct neigh_node *neigh_node);
 int route_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
 int recv_icmp_packet(struct sk_buff *skb, struct hard_iface *recv_if);
 int recv_unicast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
@@ -37,9 +36,11 @@ int recv_ucast_frag_packet(struct sk_buff *skb, struct hard_iface *recv_if);
 int recv_bcast_packet(struct sk_buff *skb, struct hard_iface *recv_if);
 int recv_vis_packet(struct sk_buff *skb, struct hard_iface *recv_if);
 int recv_bat_packet(struct sk_buff *skb, struct hard_iface *recv_if);
+int recv_tt_query(struct sk_buff *skb, struct hard_iface *recv_if);
+int recv_roam_adv(struct sk_buff *skb, struct hard_iface *recv_if);
 struct neigh_node *find_router(struct bat_priv *bat_priv,
                                struct orig_node *orig_node,
-                               struct hard_iface *recv_if);
+                               const struct hard_iface *recv_if);
 void bonding_candidate_del(struct orig_node *orig_node,
                            struct neigh_node *neigh_node);
 
diff --git a/net/batman-adv/send.c b/net/batman-adv/send.c
index 33779278f1b2..58d14472068c 100644
--- a/net/batman-adv/send.c
+++ b/net/batman-adv/send.c
@@ -33,14 +33,14 @@
 static void send_outstanding_bcast_packet(struct work_struct *work);
 
 /* apply hop penalty for a normal link */
-static uint8_t hop_penalty(const uint8_t tq, struct bat_priv *bat_priv)
+static uint8_t hop_penalty(uint8_t tq, const struct bat_priv *bat_priv)
 {
         int hop_penalty = atomic_read(&bat_priv->hop_penalty);
         return (tq * (TQ_MAX_VALUE - hop_penalty)) / (TQ_MAX_VALUE);
 }
 
 /* when do we schedule our own packet to be sent */
-static unsigned long own_send_time(struct bat_priv *bat_priv)
+static unsigned long own_send_time(const struct bat_priv *bat_priv)
 {
         return jiffies + msecs_to_jiffies(
                    atomic_read(&bat_priv->orig_interval) -
@@ -55,9 +55,8 @@ static unsigned long forward_send_time(void)
 
 /* send out an already prepared packet to the given address via the
  * specified batman interface */
-int send_skb_packet(struct sk_buff *skb,
-                                struct hard_iface *hard_iface,
-                                uint8_t *dst_addr)
+int send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
+                    const uint8_t *dst_addr)
 {
         struct ethhdr *ethhdr;
 
@@ -74,7 +73,7 @@ int send_skb_packet(struct sk_buff *skb,
         }
 
         /* push to the ethernet header. */
-        if (my_skb_head_push(skb, sizeof(struct ethhdr)) < 0)
+        if (my_skb_head_push(skb, sizeof(*ethhdr)) < 0)
                 goto send_skb_err;
 
         skb_reset_mac_header(skb);
@@ -121,7 +120,7 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
         /* adjust all flags and log packets */
         while (aggregated_packet(buff_pos,
                                  forw_packet->packet_len,
-                                 batman_packet->num_tt)) {
+                                 batman_packet->tt_num_changes)) {
 
                 /* we might have aggregated direct link packets with an
                  * ordinary base packet */
@@ -136,17 +135,17 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
                                                             "Forwarding"));
                 bat_dbg(DBG_BATMAN, bat_priv,
                         "%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d,"
-                        " IDF %s) on interface %s [%pM]\n",
+                        " IDF %s, hvn %d) on interface %s [%pM]\n",
                         fwd_str, (packet_num > 0 ? "aggregated " : ""),
                         batman_packet->orig, ntohl(batman_packet->seqno),
                         batman_packet->tq, batman_packet->ttl,
                         (batman_packet->flags & DIRECTLINK ?
                          "on" : "off"),
-                        hard_iface->net_dev->name,
+                        batman_packet->ttvn, hard_iface->net_dev->name,
                         hard_iface->net_dev->dev_addr);
 
-                buff_pos += sizeof(struct batman_packet) +
-                        (batman_packet->num_tt * ETH_ALEN);
+                buff_pos += sizeof(*batman_packet) +
+                        tt_len(batman_packet->tt_num_changes);
                 packet_num++;
                 batman_packet = (struct batman_packet *)
                         (forw_packet->skb->data + buff_pos);
@@ -164,26 +163,31 @@ static void send_packet(struct forw_packet *forw_packet)
         struct hard_iface *hard_iface;
         struct net_device *soft_iface;
         struct bat_priv *bat_priv;
+        struct hard_iface *primary_if = NULL;
         struct batman_packet *batman_packet =
                 (struct batman_packet *)(forw_packet->skb->data);
-        unsigned char directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
+        int directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
 
         if (!forw_packet->if_incoming) {
                 pr_err("Error - can't forward packet: incoming iface not "
                        "specified\n");
-                return;
+                goto out;
         }
 
         soft_iface = forw_packet->if_incoming->soft_iface;
         bat_priv = netdev_priv(soft_iface);
 
         if (forw_packet->if_incoming->if_status != IF_ACTIVE)
-                return;
+                goto out;
+
+        primary_if = primary_if_get_selected(bat_priv);
+        if (!primary_if)
+                goto out;
 
         /* multihomed peer assumed */
         /* non-primary OGMs are only broadcasted on their interface */
         if ((directlink && (batman_packet->ttl == 1)) ||
-            (forw_packet->own && (forw_packet->if_incoming->if_num > 0))) {
+            (forw_packet->own && (forw_packet->if_incoming != primary_if))) {
 
                 /* FIXME: what about aggregated packets ? */
                 bat_dbg(DBG_BATMAN, bat_priv,
@@ -200,7 +204,7 @@ static void send_packet(struct forw_packet *forw_packet)
                                 broadcast_addr);
                 forw_packet->skb = NULL;
 
-                return;
+                goto out;
         }
 
         /* broadcast on every interface */
@@ -212,28 +216,24 @@ static void send_packet(struct forw_packet *forw_packet)
                 send_packet_to_if(forw_packet, hard_iface);
         }
         rcu_read_unlock();
+
+out:
+        if (primary_if)
+                hardif_free_ref(primary_if);
 }
 
-static void rebuild_batman_packet(struct bat_priv *bat_priv,
-                                  struct hard_iface *hard_iface)
+static void realloc_packet_buffer(struct hard_iface *hard_iface,
+                                int new_len)
 {
-        int new_len;
         unsigned char *new_buff;
         struct batman_packet *batman_packet;
 
-        new_len = sizeof(struct batman_packet) +
-                        (bat_priv->num_local_tt * ETH_ALEN);
         new_buff = kmalloc(new_len, GFP_ATOMIC);
 
         /* keep old buffer if kmalloc should fail */
         if (new_buff) {
                 memcpy(new_buff, hard_iface->packet_buff,
-                       sizeof(struct batman_packet));
-                batman_packet = (struct batman_packet *)new_buff;
-
-                batman_packet->num_tt = tt_local_fill_buffer(bat_priv,
-                                new_buff + sizeof(struct batman_packet),
-                                new_len - sizeof(struct batman_packet));
+                       sizeof(*batman_packet));
 
                 kfree(hard_iface->packet_buff);
                 hard_iface->packet_buff = new_buff;
@@ -241,6 +241,46 @@ static void rebuild_batman_packet(struct bat_priv *bat_priv,
         }
 }
 
+/* when calling this function (hard_iface == primary_if) has to be true */
+static void prepare_packet_buffer(struct bat_priv *bat_priv,
+                                  struct hard_iface *hard_iface)
+{
+        int new_len;
+        struct batman_packet *batman_packet;
+
+        new_len = BAT_PACKET_LEN +
+                  tt_len((uint8_t)atomic_read(&bat_priv->tt_local_changes));
+
+        /* if we have too many changes for one packet don't send any
+         * and wait for the tt table request which will be fragmented */
+        if (new_len > hard_iface->soft_iface->mtu)
+                new_len = BAT_PACKET_LEN;
+
+        realloc_packet_buffer(hard_iface, new_len);
+        batman_packet = (struct batman_packet *)hard_iface->packet_buff;
+
+        atomic_set(&bat_priv->tt_crc, tt_local_crc(bat_priv));
+
+        /* reset the sending counter */
+        atomic_set(&bat_priv->tt_ogm_append_cnt, TT_OGM_APPEND_MAX);
+
+        batman_packet->tt_num_changes = tt_changes_fill_buffer(bat_priv,
+                                hard_iface->packet_buff + BAT_PACKET_LEN,
+                                hard_iface->packet_len - BAT_PACKET_LEN);
+
+}
+
+static void reset_packet_buffer(struct bat_priv *bat_priv,
+        struct hard_iface *hard_iface)
+{
+        struct batman_packet *batman_packet;
+
+        realloc_packet_buffer(hard_iface, BAT_PACKET_LEN);
+
+        batman_packet = (struct batman_packet *)hard_iface->packet_buff;
+        batman_packet->tt_num_changes = 0;
+}
+
 void schedule_own_packet(struct hard_iface *hard_iface)
 {
         struct bat_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
@@ -266,14 +306,21 @@ void schedule_own_packet(struct hard_iface *hard_iface)
         if (hard_iface->if_status == IF_TO_BE_ACTIVATED)
                 hard_iface->if_status = IF_ACTIVE;
 
-        /* if local tt has changed and interface is a primary interface */
-        if ((atomic_read(&bat_priv->tt_local_changed)) &&
-            (hard_iface == primary_if))
-                rebuild_batman_packet(bat_priv, hard_iface);
+        if (hard_iface == primary_if) {
+                /* if at least one change happened */
+                if (atomic_read(&bat_priv->tt_local_changes) > 0) {
+                        tt_commit_changes(bat_priv);
+                        prepare_packet_buffer(bat_priv, hard_iface);
+                }
+
+                /* if the changes have been sent enough times */
+                if (!atomic_dec_not_zero(&bat_priv->tt_ogm_append_cnt))
+                        reset_packet_buffer(bat_priv, hard_iface);
+        }
 
         /**
          * NOTE: packet_buff might just have been re-allocated in
-         * rebuild_batman_packet()
+         * prepare_packet_buffer() or in reset_packet_buffer()
          */
         batman_packet = (struct batman_packet *)hard_iface->packet_buff;
 
@@ -281,6 +328,9 @@ void schedule_own_packet(struct hard_iface *hard_iface)
         batman_packet->seqno =
                 htonl((uint32_t)atomic_read(&hard_iface->seqno));
 
+        batman_packet->ttvn = atomic_read(&bat_priv->ttvn);
+        batman_packet->tt_crc = htons((uint16_t)atomic_read(&bat_priv->tt_crc));
+
         if (vis_server == VIS_TYPE_SERVER_SYNC)
                 batman_packet->flags |= VIS_SERVER;
         else
@@ -291,7 +341,7 @@ void schedule_own_packet(struct hard_iface *hard_iface)
                 batman_packet->gw_flags =
                                 (uint8_t)atomic_read(&bat_priv->gw_bandwidth);
         else
-                batman_packet->gw_flags = 0;
+                batman_packet->gw_flags = NO_FLAGS;
 
         atomic_inc(&hard_iface->seqno);
 
@@ -307,15 +357,16 @@ void schedule_own_packet(struct hard_iface *hard_iface)
 }
 
 void schedule_forward_packet(struct orig_node *orig_node,
-                             struct ethhdr *ethhdr,
+                             const struct ethhdr *ethhdr,
                              struct batman_packet *batman_packet,
-                             uint8_t directlink, int tt_buff_len,
+                             int directlink,
                              struct hard_iface *if_incoming)
 {
         struct bat_priv *bat_priv = netdev_priv(if_incoming->soft_iface);
         struct neigh_node *router;
-        unsigned char in_tq, in_ttl, tq_avg = 0;
+        uint8_t in_tq, in_ttl, tq_avg = 0;
         unsigned long send_time;
+        uint8_t tt_num_changes;
 
         if (batman_packet->ttl <= 1) {
                 bat_dbg(DBG_BATMAN, bat_priv, "ttl exceeded\n");
@@ -326,6 +377,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
 
         in_tq = batman_packet->tq;
         in_ttl = batman_packet->ttl;
+        tt_num_changes = batman_packet->tt_num_changes;
 
         batman_packet->ttl--;
         memcpy(batman_packet->prev_sender, ethhdr->h_source, ETH_ALEN);
@@ -358,6 +410,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
                 batman_packet->ttl);
 
         batman_packet->seqno = htonl(batman_packet->seqno);
+        batman_packet->tt_crc = htons(batman_packet->tt_crc);
 
         /* switch of primaries first hop flag when forwarding */
         batman_packet->flags &= ~PRIMARIES_FIRST_HOP;
@@ -369,7 +422,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
         send_time = forward_send_time();
         add_bat_packet_to_list(bat_priv,
                                (unsigned char *)batman_packet,
-                               sizeof(struct batman_packet) + tt_buff_len,
+                               sizeof(*batman_packet) + tt_len(tt_num_changes),
                                if_incoming, 0, send_time);
 }
 
@@ -408,11 +461,13 @@ static void _add_bcast_packet_to_list(struct bat_priv *bat_priv,
  *
  * The skb is not consumed, so the caller should make sure that the
  * skb is freed. */
-int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb)
+int add_bcast_packet_to_list(struct bat_priv *bat_priv,
+                             const struct sk_buff *skb, unsigned long delay)
 {
         struct hard_iface *primary_if = NULL;
         struct forw_packet *forw_packet;
         struct bcast_packet *bcast_packet;
+        struct sk_buff *newskb;
 
         if (!atomic_dec_not_zero(&bat_priv->bcast_queue_left)) {
                 bat_dbg(DBG_BATMAN, bat_priv, "bcast packet queue full\n");
@@ -423,28 +478,28 @@ int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb)
         if (!primary_if)
                 goto out_and_inc;
 
-        forw_packet = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
+        forw_packet = kmalloc(sizeof(*forw_packet), GFP_ATOMIC);
 
         if (!forw_packet)
                 goto out_and_inc;
 
-        skb = skb_copy(skb, GFP_ATOMIC);
-        if (!skb)
+        newskb = skb_copy(skb, GFP_ATOMIC);
+        if (!newskb)
                 goto packet_free;
 
         /* as we have a copy now, it is safe to decrease the TTL */
-        bcast_packet = (struct bcast_packet *)skb->data;
+        bcast_packet = (struct bcast_packet *)newskb->data;
         bcast_packet->ttl--;
 
-        skb_reset_mac_header(skb);
+        skb_reset_mac_header(newskb);
 
-        forw_packet->skb = skb;
+        forw_packet->skb = newskb;
         forw_packet->if_incoming = primary_if;
 
         /* how often did we send the bcast packet ? */
         forw_packet->num_packets = 0;
 
-        _add_bcast_packet_to_list(bat_priv, forw_packet, 1);
+        _add_bcast_packet_to_list(bat_priv, forw_packet, delay);
         return NETDEV_TX_OK;
 
 packet_free:
@@ -537,7 +592,7 @@ out:
 }
 
 void purge_outstanding_packets(struct bat_priv *bat_priv,
-                               struct hard_iface *hard_iface)
+                               const struct hard_iface *hard_iface)
 {
         struct forw_packet *forw_packet;
         struct hlist_node *tmp_node, *safe_tmp_node;
diff --git a/net/batman-adv/send.h b/net/batman-adv/send.h
index 247172d71e4b..1f2d1e877663 100644
--- a/net/batman-adv/send.h
+++ b/net/batman-adv/send.h
@@ -22,18 +22,18 @@
 #ifndef _NET_BATMAN_ADV_SEND_H_
 #define _NET_BATMAN_ADV_SEND_H_
 
-int send_skb_packet(struct sk_buff *skb,
-                                struct hard_iface *hard_iface,
-                                uint8_t *dst_addr);
+int send_skb_packet(struct sk_buff *skb, struct hard_iface *hard_iface,
+                    const uint8_t *dst_addr);
 void schedule_own_packet(struct hard_iface *hard_iface);
 void schedule_forward_packet(struct orig_node *orig_node,
-                             struct ethhdr *ethhdr,
+                             const struct ethhdr *ethhdr,
                              struct batman_packet *batman_packet,
-                             uint8_t directlink, int tt_buff_len,
+                             int directlink,
                              struct hard_iface *if_outgoing);
-int add_bcast_packet_to_list(struct bat_priv *bat_priv, struct sk_buff *skb);
+int add_bcast_packet_to_list(struct bat_priv *bat_priv,
+                             const struct sk_buff *skb, unsigned long delay);
 void send_outstanding_bat_packet(struct work_struct *work);
 void purge_outstanding_packets(struct bat_priv *bat_priv,
-                               struct hard_iface *hard_iface);
+                               const struct hard_iface *hard_iface);
 
 #endif /* _NET_BATMAN_ADV_SEND_H_ */
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index d5aa60999e83..3e2f91ffa4e2 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -30,6 +30,7 @@
 #include "gateway_common.h"
 #include "gateway_client.h"
 #include "bat_sysfs.h"
+#include "originator.h"
 #include <linux/slab.h>
 #include <linux/ethtool.h>
 #include <linux/etherdevice.h>
@@ -123,8 +124,7 @@ static struct softif_neigh_vid *softif_neigh_vid_get(struct bat_priv *bat_priv,
                 goto out;
         }
 
-        softif_neigh_vid = kzalloc(sizeof(struct softif_neigh_vid),
-                                   GFP_ATOMIC);
+        softif_neigh_vid = kzalloc(sizeof(*softif_neigh_vid), GFP_ATOMIC);
         if (!softif_neigh_vid)
                 goto out;
 
@@ -146,7 +146,7 @@ out:
 }
 
 static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv,
-                                             uint8_t *addr, short vid)
+                                             const uint8_t *addr, short vid)
 {
         struct softif_neigh_vid *softif_neigh_vid;
         struct softif_neigh *softif_neigh = NULL;
@@ -170,7 +170,7 @@ static struct softif_neigh *softif_neigh_get(struct bat_priv *bat_priv,
                 goto unlock;
         }
 
-        softif_neigh = kzalloc(sizeof(struct softif_neigh), GFP_ATOMIC);
+        softif_neigh = kzalloc(sizeof(*softif_neigh), GFP_ATOMIC);
         if (!softif_neigh)
                 goto unlock;
 
@@ -242,7 +242,8 @@ static void softif_neigh_vid_select(struct bat_priv *bat_priv,
         if (new_neigh && !atomic_inc_not_zero(&new_neigh->refcount))
                 new_neigh = NULL;
 
-        curr_neigh = softif_neigh_vid->softif_neigh;
+        curr_neigh = rcu_dereference_protected(softif_neigh_vid->softif_neigh,
+                                               1);
         rcu_assign_pointer(softif_neigh_vid->softif_neigh, new_neigh);
 
         if ((curr_neigh) && (!new_neigh))
@@ -380,7 +381,7 @@ void softif_neigh_purge(struct bat_priv *bat_priv)
         struct softif_neigh *softif_neigh, *curr_softif_neigh;
         struct softif_neigh_vid *softif_neigh_vid;
         struct hlist_node *node, *node_tmp, *node_tmp2;
-        char do_deselect;
+        int do_deselect;
 
         rcu_read_lock();
         hlist_for_each_entry_rcu(softif_neigh_vid, node,
@@ -534,7 +535,7 @@ static int interface_set_mac_addr(struct net_device *dev, void *p)
         /* only modify transtable if it has been initialised before */
         if (atomic_read(&bat_priv->mesh_state) == MESH_ACTIVE) {
                 tt_local_remove(bat_priv, dev->dev_addr,
-                                 "mac address changed");
+                                "mac address changed", false);
                 tt_local_add(dev, addr->sa_data);
         }
 
@@ -553,7 +554,7 @@ static int interface_change_mtu(struct net_device *dev, int new_mtu)
         return 0;
 }
 
-int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
+static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
 {
         struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
         struct bat_priv *bat_priv = netdev_priv(soft_iface);
@@ -561,6 +562,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
         struct bcast_packet *bcast_packet;
         struct vlan_ethhdr *vhdr;
         struct softif_neigh *curr_softif_neigh = NULL;
+        struct orig_node *orig_node = NULL;
         int data_len = skb->len, ret;
         short vid = -1;
         bool do_bcast = false;
@@ -592,11 +594,13 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
         if (curr_softif_neigh)
                 goto dropped;
 
-        /* TODO: check this for locks */
+        /* Register the client MAC in the transtable */
         tt_local_add(soft_iface, ethhdr->h_source);
 
-        if (is_multicast_ether_addr(ethhdr->h_dest)) {
-                ret = gw_is_target(bat_priv, skb);
+        orig_node = transtable_search(bat_priv, ethhdr->h_dest);
+        if (is_multicast_ether_addr(ethhdr->h_dest) ||
+                                (orig_node && orig_node->gw_flags)) {
+                ret = gw_is_target(bat_priv, skb, orig_node);
 
                 if (ret < 0)
                         goto dropped;
@@ -611,7 +615,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
                 if (!primary_if)
                         goto dropped;
 
-                if (my_skb_head_push(skb, sizeof(struct bcast_packet)) < 0)
+                if (my_skb_head_push(skb, sizeof(*bcast_packet)) < 0)
                         goto dropped;
 
                 bcast_packet = (struct bcast_packet *)skb->data;
@@ -630,7 +634,7 @@ int interface_tx(struct sk_buff *skb, struct net_device *soft_iface)
                 bcast_packet->seqno =
                         htonl(atomic_inc_return(&bat_priv->bcast_seqno));
 
-                add_bcast_packet_to_list(bat_priv, skb);
+                add_bcast_packet_to_list(bat_priv, skb, 1);
 
                 /* a copy is stored in the bcast list, therefore removing
                  * the original skb. */
@@ -656,6 +660,8 @@ end:
                 softif_neigh_free_ref(curr_softif_neigh);
         if (primary_if)
                 hardif_free_ref(primary_if);
+        if (orig_node)
+                orig_node_free_ref(orig_node);
         return NETDEV_TX_OK;
 }
 
@@ -744,7 +750,6 @@ out:
         return;
 }
 
-#ifdef HAVE_NET_DEVICE_OPS
 static const struct net_device_ops bat_netdev_ops = {
         .ndo_open = interface_open,
         .ndo_stop = interface_release,
@@ -754,7 +759,6 @@ static const struct net_device_ops bat_netdev_ops = {
         .ndo_start_xmit = interface_tx,
         .ndo_validate_addr = eth_validate_addr
 };
-#endif
 
 static void interface_setup(struct net_device *dev)
 {
@@ -763,16 +767,7 @@ static void interface_setup(struct net_device *dev)
 
         ether_setup(dev);
 
-#ifdef HAVE_NET_DEVICE_OPS
         dev->netdev_ops = &bat_netdev_ops;
-#else
-        dev->open = interface_open;
-        dev->stop = interface_release;
-        dev->get_stats = interface_stats;
-        dev->set_mac_address = interface_set_mac_addr;
-        dev->change_mtu = interface_change_mtu;
-        dev->hard_start_xmit = interface_tx;
-#endif
         dev->destructor = free_netdev;
         dev->tx_queue_len = 0;
 
@@ -790,17 +785,16 @@ static void interface_setup(struct net_device *dev)
 
         SET_ETHTOOL_OPS(dev, &bat_ethtool_ops);
 
-        memset(priv, 0, sizeof(struct bat_priv));
+        memset(priv, 0, sizeof(*priv));
 }
 
-struct net_device *softif_create(char *name)
+struct net_device *softif_create(const char *name)
 {
         struct net_device *soft_iface;
         struct bat_priv *bat_priv;
         int ret;
 
-        soft_iface = alloc_netdev(sizeof(struct bat_priv) , name,
-                                   interface_setup);
+        soft_iface = alloc_netdev(sizeof(*bat_priv), name, interface_setup);
 
         if (!soft_iface) {
                 pr_err("Unable to allocate the batman interface: %s\n", name);
@@ -831,7 +825,13 @@ struct net_device *softif_create(char *name)
 
         atomic_set(&bat_priv->mesh_state, MESH_INACTIVE);
         atomic_set(&bat_priv->bcast_seqno, 1);
-        atomic_set(&bat_priv->tt_local_changed, 0);
+        atomic_set(&bat_priv->ttvn, 0);
+        atomic_set(&bat_priv->tt_local_changes, 0);
+        atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
+
+        bat_priv->tt_buff = NULL;
+        bat_priv->tt_buff_len = 0;
+        bat_priv->tt_poss_change = false;
 
         bat_priv->primary_if = NULL;
         bat_priv->num_ifaces = 0;
@@ -872,15 +872,10 @@ void softif_destroy(struct net_device *soft_iface)
         unregister_netdevice(soft_iface);
 }
 
-int softif_is_valid(struct net_device *net_dev)
+int softif_is_valid(const struct net_device *net_dev)
 {
-#ifdef HAVE_NET_DEVICE_OPS
         if (net_dev->netdev_ops->ndo_start_xmit == interface_tx)
                 return 1;
-#else
-        if (net_dev->hard_start_xmit == interface_tx)
-                return 1;
-#endif
 
         return 0;
 }
@@ -924,4 +919,3 @@ static u32 bat_get_link(struct net_device *dev)
 {
         return 1;
 }
-
diff --git a/net/batman-adv/soft-interface.h b/net/batman-adv/soft-interface.h
index 4789b6f2a0b3..001546fc96f1 100644
--- a/net/batman-adv/soft-interface.h
+++ b/net/batman-adv/soft-interface.h
@@ -25,12 +25,11 @@
 int my_skb_head_push(struct sk_buff *skb, unsigned int len);
 int softif_neigh_seq_print_text(struct seq_file *seq, void *offset);
 void softif_neigh_purge(struct bat_priv *bat_priv);
-int interface_tx(struct sk_buff *skb, struct net_device *soft_iface);
 void interface_rx(struct net_device *soft_iface,
                   struct sk_buff *skb, struct hard_iface *recv_if,
                   int hdr_size);
-struct net_device *softif_create(char *name);
+struct net_device *softif_create(const char *name);
 void softif_destroy(struct net_device *soft_iface);
-int softif_is_valid(struct net_device *net_dev);
+int softif_is_valid(const struct net_device *net_dev);
 
 #endif /* _NET_BATMAN_ADV_SOFT_INTERFACE_H_ */
diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c
index 7b729660cbfd..fb6931d00cd7 100644
--- a/net/batman-adv/translation-table.c
+++ b/net/batman-adv/translation-table.c
@@ -23,38 +23,45 @@
 #include "translation-table.h"
 #include "soft-interface.h"
 #include "hard-interface.h"
+#include "send.h"
 #include "hash.h"
 #include "originator.h"
+#include "routing.h"
 
-static void tt_local_purge(struct work_struct *work);
-static void _tt_global_del_orig(struct bat_priv *bat_priv,
-                                 struct tt_global_entry *tt_global_entry,
-                                 char *message);
+#include <linux/crc16.h>
+
+static void _tt_global_del(struct bat_priv *bat_priv,
+                           struct tt_global_entry *tt_global_entry,
+                           const char *message);
+static void tt_purge(struct work_struct *work);
 
 /* returns 1 if they are the same mac addr */
-static int compare_ltt(struct hlist_node *node, void *data2)
+static int compare_ltt(const struct hlist_node *node, const void *data2)
 {
-        void *data1 = container_of(node, struct tt_local_entry, hash_entry);
+        const void *data1 = container_of(node, struct tt_local_entry,
+                                         hash_entry);
 
         return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
 }
 
 /* returns 1 if they are the same mac addr */
-static int compare_gtt(struct hlist_node *node, void *data2)
+static int compare_gtt(const struct hlist_node *node, const void *data2)
 {
-        void *data1 = container_of(node, struct tt_global_entry, hash_entry);
+        const void *data1 = container_of(node, struct tt_global_entry,
+                                         hash_entry);
 
         return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0);
 }
 
-static void tt_local_start_timer(struct bat_priv *bat_priv)
+static void tt_start_timer(struct bat_priv *bat_priv)
 {
-        INIT_DELAYED_WORK(&bat_priv->tt_work, tt_local_purge);
-        queue_delayed_work(bat_event_workqueue, &bat_priv->tt_work, 10 * HZ);
+        INIT_DELAYED_WORK(&bat_priv->tt_work, tt_purge);
+        queue_delayed_work(bat_event_workqueue, &bat_priv->tt_work,
+                           msecs_to_jiffies(5000));
 }
 
 static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
-                                                   void *data)
+                                                 const void *data)
 {
         struct hashtable_t *hash = bat_priv->tt_local_hash;
         struct hlist_head *head;
@@ -73,6 +80,9 @@ static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
                 if (!compare_eth(tt_local_entry, data))
                         continue;
 
+                if (!atomic_inc_not_zero(&tt_local_entry->refcount))
+                        continue;
+
                 tt_local_entry_tmp = tt_local_entry;
                 break;
         }
@@ -82,7 +92,7 @@ static struct tt_local_entry *tt_local_hash_find(struct bat_priv *bat_priv,
 }
 
 static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
-                                                     void *data)
+                                                   const void *data)
 {
         struct hashtable_t *hash = bat_priv->tt_global_hash;
         struct hlist_head *head;
@@ -102,6 +112,9 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
                 if (!compare_eth(tt_global_entry, data))
                         continue;
 
+                if (!atomic_inc_not_zero(&tt_global_entry->refcount))
+                        continue;
+
                 tt_global_entry_tmp = tt_global_entry;
                 break;
         }
@@ -110,7 +123,54 @@ static struct tt_global_entry *tt_global_hash_find(struct bat_priv *bat_priv,
         return tt_global_entry_tmp;
 }
 
-int tt_local_init(struct bat_priv *bat_priv)
+static bool is_out_of_time(unsigned long starting_time, unsigned long timeout)
+{
+        unsigned long deadline;
+        deadline = starting_time + msecs_to_jiffies(timeout);
+
+        return time_after(jiffies, deadline);
+}
+
+static void tt_local_entry_free_ref(struct tt_local_entry *tt_local_entry)
+{
+        if (atomic_dec_and_test(&tt_local_entry->refcount))
+                kfree_rcu(tt_local_entry, rcu);
+}
+
+static void tt_global_entry_free_ref(struct tt_global_entry *tt_global_entry)
+{
+        if (atomic_dec_and_test(&tt_global_entry->refcount))
+                kfree_rcu(tt_global_entry, rcu);
+}
+
+static void tt_local_event(struct bat_priv *bat_priv, const uint8_t *addr,
+                           uint8_t flags)
+{
+        struct tt_change_node *tt_change_node;
+
+        tt_change_node = kmalloc(sizeof(*tt_change_node), GFP_ATOMIC);
+
+        if (!tt_change_node)
+                return;
+
+        tt_change_node->change.flags = flags;
+        memcpy(tt_change_node->change.addr, addr, ETH_ALEN);
+
+        spin_lock_bh(&bat_priv->tt_changes_list_lock);
+        /* track the change in the OGMinterval list */
+        list_add_tail(&tt_change_node->list, &bat_priv->tt_changes_list);
+        atomic_inc(&bat_priv->tt_local_changes);
+        spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+
+        atomic_set(&bat_priv->tt_ogm_append_cnt, 0);
+}
+
+int tt_len(int changes_num)
+{
+        return changes_num * sizeof(struct tt_change);
+}
+
+static int tt_local_init(struct bat_priv *bat_priv)
 {
         if (bat_priv->tt_local_hash)
                 return 1;
@@ -120,116 +180,114 @@ int tt_local_init(struct bat_priv *bat_priv)
         if (!bat_priv->tt_local_hash)
                 return 0;
 
-        atomic_set(&bat_priv->tt_local_changed, 0);
-        tt_local_start_timer(bat_priv);
-
         return 1;
 }
 
-void tt_local_add(struct net_device *soft_iface, uint8_t *addr)
+void tt_local_add(struct net_device *soft_iface, const uint8_t *addr)
 {
         struct bat_priv *bat_priv = netdev_priv(soft_iface);
-        struct tt_local_entry *tt_local_entry;
-        struct tt_global_entry *tt_global_entry;
-        int required_bytes;
+        struct tt_local_entry *tt_local_entry = NULL;
+        struct tt_global_entry *tt_global_entry = NULL;
 
-        spin_lock_bh(&bat_priv->tt_lhash_lock);
         tt_local_entry = tt_local_hash_find(bat_priv, addr);
-        spin_unlock_bh(&bat_priv->tt_lhash_lock);
 
         if (tt_local_entry) {
                 tt_local_entry->last_seen = jiffies;
-                return;
-        }
-
-        /* only announce as many hosts as possible in the batman-packet and
-           space in batman_packet->num_tt That also should give a limit to
-           MAC-flooding. */
-        required_bytes = (bat_priv->num_local_tt + 1) * ETH_ALEN;
-        required_bytes += BAT_PACKET_LEN;
-
-        if ((required_bytes > ETH_DATA_LEN) ||
-            (atomic_read(&bat_priv->aggregated_ogms) &&
-             required_bytes > MAX_AGGREGATION_BYTES) ||
-            (bat_priv->num_local_tt + 1 > 255)) {
-                bat_dbg(DBG_ROUTES, bat_priv,
-                        "Can't add new local tt entry (%pM): "
-                        "number of local tt entries exceeds packet size\n",
-                        addr);
-                return;
+                goto out;
         }
 
-        bat_dbg(DBG_ROUTES, bat_priv,
-                "Creating new local tt entry: %pM\n", addr);
-
-        tt_local_entry = kmalloc(sizeof(struct tt_local_entry), GFP_ATOMIC);
+        tt_local_entry = kmalloc(sizeof(*tt_local_entry), GFP_ATOMIC);
         if (!tt_local_entry)
-                return;
+                goto out;
+
+        bat_dbg(DBG_TT, bat_priv,
+                "Creating new local tt entry: %pM (ttvn: %d)\n", addr,
+                (uint8_t)atomic_read(&bat_priv->ttvn));
 
         memcpy(tt_local_entry->addr, addr, ETH_ALEN);
         tt_local_entry->last_seen = jiffies;
+        tt_local_entry->flags = NO_FLAGS;
+        atomic_set(&tt_local_entry->refcount, 2);
 
         /* the batman interface mac address should never be purged */
         if (compare_eth(addr, soft_iface->dev_addr))
-                tt_local_entry->never_purge = 1;
-        else
-                tt_local_entry->never_purge = 0;
+                tt_local_entry->flags |= TT_CLIENT_NOPURGE;
 
-        spin_lock_bh(&bat_priv->tt_lhash_lock);
+        tt_local_event(bat_priv, addr, tt_local_entry->flags);
+
+        /* The local entry has to be marked as NEW to avoid to send it in
+         * a full table response going out before the next ttvn increment
+         * (consistency check) */
+        tt_local_entry->flags |= TT_CLIENT_NEW;
 
         hash_add(bat_priv->tt_local_hash, compare_ltt, choose_orig,
                  tt_local_entry, &tt_local_entry->hash_entry);
-        bat_priv->num_local_tt++;
-        atomic_set(&bat_priv->tt_local_changed, 1);
-
-        spin_unlock_bh(&bat_priv->tt_lhash_lock);
 
         /* remove address from global hash if present */
-        spin_lock_bh(&bat_priv->tt_ghash_lock);
-
         tt_global_entry = tt_global_hash_find(bat_priv, addr);
 
+        /* Check whether it is a roaming! */
+        if (tt_global_entry) {
+                /* This node is probably going to update its tt table */
+                tt_global_entry->orig_node->tt_poss_change = true;
+                /* The global entry has to be marked as PENDING and has to be
+                 * kept for consistency purpose */
+                tt_global_entry->flags |= TT_CLIENT_PENDING;
+                send_roam_adv(bat_priv, tt_global_entry->addr,
+                              tt_global_entry->orig_node);
+        }
+out:
+        if (tt_local_entry)
+                tt_local_entry_free_ref(tt_local_entry);
         if (tt_global_entry)
-                _tt_global_del_orig(bat_priv, tt_global_entry,
-                                     "local tt received");
-
-        spin_unlock_bh(&bat_priv->tt_ghash_lock);
+                tt_global_entry_free_ref(tt_global_entry);
 }
 
-int tt_local_fill_buffer(struct bat_priv *bat_priv,
-                          unsigned char *buff, int buff_len)
+int tt_changes_fill_buffer(struct bat_priv *bat_priv,
+                           unsigned char *buff, int buff_len)
 {
-        struct hashtable_t *hash = bat_priv->tt_local_hash;
-        struct tt_local_entry *tt_local_entry;
-        struct hlist_node *node;
-        struct hlist_head *head;
-        int i, count = 0;
+        int count = 0, tot_changes = 0;
+        struct tt_change_node *entry, *safe;
 
-        spin_lock_bh(&bat_priv->tt_lhash_lock);
+        if (buff_len > 0)
+                tot_changes = buff_len / tt_len(1);
 
-        for (i = 0; i < hash->size; i++) {
-                head = &hash->table[i];
-
-                rcu_read_lock();
-                hlist_for_each_entry_rcu(tt_local_entry, node,
-                                         head, hash_entry) {
-                        if (buff_len < (count + 1) * ETH_ALEN)
-                                break;
-
-                        memcpy(buff + (count * ETH_ALEN), tt_local_entry->addr,
-                               ETH_ALEN);
+        spin_lock_bh(&bat_priv->tt_changes_list_lock);
+        atomic_set(&bat_priv->tt_local_changes, 0);
 
+        list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+                        list) {
+                if (count < tot_changes) {
+                        memcpy(buff + tt_len(count),
+                               &entry->change, sizeof(struct tt_change));
                         count++;
                 }
-                rcu_read_unlock();
+                list_del(&entry->list);
+                kfree(entry);
         }
+        spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+
+        /* Keep the buffer for possible tt_request */
+        spin_lock_bh(&bat_priv->tt_buff_lock);
+        kfree(bat_priv->tt_buff);
+        bat_priv->tt_buff_len = 0;
+        bat_priv->tt_buff = NULL;
+        /* We check whether this new OGM has no changes due to size
+         * problems */
+        if (buff_len > 0) {
+                /**
+                 * if kmalloc() fails we will reply with the full table
+                 * instead of providing the diff
+                 */
+                bat_priv->tt_buff = kmalloc(buff_len, GFP_ATOMIC);
+                if (bat_priv->tt_buff) {
+                        memcpy(bat_priv->tt_buff, buff, buff_len);
+                        bat_priv->tt_buff_len = buff_len;
+                }
+        }
+        spin_unlock_bh(&bat_priv->tt_buff_lock);
 
-        /* if we did not get all new local tts see you next time  ;-) */
-        if (count == bat_priv->num_local_tt)
-                atomic_set(&bat_priv->tt_local_changed, 0);
-
-        spin_unlock_bh(&bat_priv->tt_lhash_lock);
-        return count;
+        return tot_changes;
 }
 
 int tt_local_seq_print_text(struct seq_file *seq, void *offset)
@@ -261,10 +319,8 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset)
         }
 
         seq_printf(seq, "Locally retrieved addresses (from %s) "
-                   "announced via TT:\n",
-                   net_dev->name);
-
-        spin_lock_bh(&bat_priv->tt_lhash_lock);
+                   "announced via TT (TTVN: %u):\n",
+                   net_dev->name, (uint8_t)atomic_read(&bat_priv->ttvn));
 
         buf_size = 1;
         /* Estimate length for: " * xx:xx:xx:xx:xx:xx\n" */
@@ -279,7 +335,6 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset)
 
         buff = kmalloc(buf_size, GFP_ATOMIC);
         if (!buff) {
-                spin_unlock_bh(&bat_priv->tt_lhash_lock);
                 ret = -ENOMEM;
                 goto out;
         }
@@ -299,8 +354,6 @@ int tt_local_seq_print_text(struct seq_file *seq, void *offset)
                 rcu_read_unlock();
         }
 
-        spin_unlock_bh(&bat_priv->tt_lhash_lock);
-
         seq_printf(seq, "%s", buff);
         kfree(buff);
 out:
@@ -309,92 +362,109 @@ out:
         return ret;
 }
 
-static void _tt_local_del(struct hlist_node *node, void *arg)
+static void tt_local_set_pending(struct bat_priv *bat_priv,
+                                 struct tt_local_entry *tt_local_entry,
+                                 uint16_t flags)
 {
-        struct bat_priv *bat_priv = (struct bat_priv *)arg;
-        void *data = container_of(node, struct tt_local_entry, hash_entry);
+        tt_local_event(bat_priv, tt_local_entry->addr,
+                       tt_local_entry->flags | flags);
 
-        kfree(data);
-        bat_priv->num_local_tt--;
-        atomic_set(&bat_priv->tt_local_changed, 1);
+        /* The local client has to be merked as "pending to be removed" but has
+         * to be kept in the table in order to send it in an full tables
+         * response issued before the net ttvn increment (consistency check) */
+        tt_local_entry->flags |= TT_CLIENT_PENDING;
 }
 
-static void tt_local_del(struct bat_priv *bat_priv,
-                          struct tt_local_entry *tt_local_entry,
-                          char *message)
+void tt_local_remove(struct bat_priv *bat_priv, const uint8_t *addr,
+                     const char *message, bool roaming)
 {
-        bat_dbg(DBG_ROUTES, bat_priv, "Deleting local tt entry (%pM): %s\n",
-                tt_local_entry->addr, message);
-
-        hash_remove(bat_priv->tt_local_hash, compare_ltt, choose_orig,
-                    tt_local_entry->addr);
-        _tt_local_del(&tt_local_entry->hash_entry, bat_priv);
-}
-
-void tt_local_remove(struct bat_priv *bat_priv,
-                      uint8_t *addr, char *message)
-{
-        struct tt_local_entry *tt_local_entry;
-
-        spin_lock_bh(&bat_priv->tt_lhash_lock);
+        struct tt_local_entry *tt_local_entry = NULL;
 
         tt_local_entry = tt_local_hash_find(bat_priv, addr);
+        if (!tt_local_entry)
+                goto out;
 
-        if (tt_local_entry)
-                tt_local_del(bat_priv, tt_local_entry, message);
+        tt_local_set_pending(bat_priv, tt_local_entry, TT_CLIENT_DEL |
+                             (roaming ? TT_CLIENT_ROAM : NO_FLAGS));
 
-        spin_unlock_bh(&bat_priv->tt_lhash_lock);
+        bat_dbg(DBG_TT, bat_priv, "Local tt entry (%pM) pending to be removed: "
+                "%s\n", tt_local_entry->addr, message);
+out:
+        if (tt_local_entry)
+                tt_local_entry_free_ref(tt_local_entry);
 }
 
-static void tt_local_purge(struct work_struct *work)
+static void tt_local_purge(struct bat_priv *bat_priv)
 {
-        struct delayed_work *delayed_work =
-                container_of(work, struct delayed_work, work);
-        struct bat_priv *bat_priv =
-                container_of(delayed_work, struct bat_priv, tt_work);
         struct hashtable_t *hash = bat_priv->tt_local_hash;
         struct tt_local_entry *tt_local_entry;
         struct hlist_node *node, *node_tmp;
         struct hlist_head *head;
-        unsigned long timeout;
+        spinlock_t *list_lock; /* protects write access to the hash lists */
         int i;
 
-        spin_lock_bh(&bat_priv->tt_lhash_lock);
-
         for (i = 0; i < hash->size; i++) {
                 head = &hash->table[i];
+                list_lock = &hash->list_locks[i];
 
+                spin_lock_bh(list_lock);
                 hlist_for_each_entry_safe(tt_local_entry, node, node_tmp,
                                           head, hash_entry) {
-                        if (tt_local_entry->never_purge)
+                        if (tt_local_entry->flags & TT_CLIENT_NOPURGE)
                                 continue;
 
-                        timeout = tt_local_entry->last_seen;
-                        timeout += TT_LOCAL_TIMEOUT * HZ;
+                        /* entry already marked for deletion */
+                        if (tt_local_entry->flags & TT_CLIENT_PENDING)
+                                continue;
 
-                        if (time_before(jiffies, timeout))
+                        if (!is_out_of_time(tt_local_entry->last_seen,
+                                            TT_LOCAL_TIMEOUT * 1000))
                                 continue;
 
-                        tt_local_del(bat_priv, tt_local_entry,
-                                      "address timed out");
+                        tt_local_set_pending(bat_priv, tt_local_entry,
+                                             TT_CLIENT_DEL);
+                        bat_dbg(DBG_TT, bat_priv, "Local tt entry (%pM) "
+                                "pending to be removed: timed out\n",
+                                tt_local_entry->addr);
                 }
+                spin_unlock_bh(list_lock);
         }
 
-        spin_unlock_bh(&bat_priv->tt_lhash_lock);
-        tt_local_start_timer(bat_priv);
 }
 
-void tt_local_free(struct bat_priv *bat_priv)
+static void tt_local_table_free(struct bat_priv *bat_priv)
 {
+        struct hashtable_t *hash;
+        spinlock_t *list_lock; /* protects write access to the hash lists */
+        struct tt_local_entry *tt_local_entry;
+        struct hlist_node *node, *node_tmp;
+        struct hlist_head *head;
+        int i;
+
         if (!bat_priv->tt_local_hash)
                 return;
 
-        cancel_delayed_work_sync(&bat_priv->tt_work);
-        hash_delete(bat_priv->tt_local_hash, _tt_local_del, bat_priv);
+        hash = bat_priv->tt_local_hash;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+                list_lock = &hash->list_locks[i];
+
+                spin_lock_bh(list_lock);
+                hlist_for_each_entry_safe(tt_local_entry, node, node_tmp,
+                                          head, hash_entry) {
+                        hlist_del_rcu(node);
+                        tt_local_entry_free_ref(tt_local_entry);
+                }
+                spin_unlock_bh(list_lock);
+        }
+
+        hash_destroy(hash);
+
         bat_priv->tt_local_hash = NULL;
 }
 
-int tt_global_init(struct bat_priv *bat_priv)
+static int tt_global_init(struct bat_priv *bat_priv)
 {
         if (bat_priv->tt_global_hash)
                 return 1;
@@ -407,74 +477,78 @@ int tt_global_init(struct bat_priv *bat_priv)
         return 1;
 }
 
-void tt_global_add_orig(struct bat_priv *bat_priv,
-                         struct orig_node *orig_node,
-                         unsigned char *tt_buff, int tt_buff_len)
+static void tt_changes_list_free(struct bat_priv *bat_priv)
 {
-        struct tt_global_entry *tt_global_entry;
-        struct tt_local_entry *tt_local_entry;
-        int tt_buff_count = 0;
-        unsigned char *tt_ptr;
+        struct tt_change_node *entry, *safe;
 
-        while ((tt_buff_count + 1) * ETH_ALEN <= tt_buff_len) {
-                spin_lock_bh(&bat_priv->tt_ghash_lock);
+        spin_lock_bh(&bat_priv->tt_changes_list_lock);
 
-                tt_ptr = tt_buff + (tt_buff_count * ETH_ALEN);
-                tt_global_entry = tt_global_hash_find(bat_priv, tt_ptr);
-
-                if (!tt_global_entry) {
-                        spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
-                        tt_global_entry =
-                                kmalloc(sizeof(struct tt_global_entry),
-                                        GFP_ATOMIC);
-
-                        if (!tt_global_entry)
-                                break;
+        list_for_each_entry_safe(entry, safe, &bat_priv->tt_changes_list,
+                                 list) {
+                list_del(&entry->list);
+                kfree(entry);
+        }
 
-                        memcpy(tt_global_entry->addr, tt_ptr, ETH_ALEN);
+        atomic_set(&bat_priv->tt_local_changes, 0);
+        spin_unlock_bh(&bat_priv->tt_changes_list_lock);
+}
 
-                        bat_dbg(DBG_ROUTES, bat_priv,
-                                "Creating new global tt entry: "
-                                "%pM (via %pM)\n",
-                                tt_global_entry->addr, orig_node->orig);
+/* caller must hold orig_node refcount */
+int tt_global_add(struct bat_priv *bat_priv, struct orig_node *orig_node,
+                  const unsigned char *tt_addr, uint8_t ttvn, bool roaming)
+{
+        struct tt_global_entry *tt_global_entry;
+        struct orig_node *orig_node_tmp;
+        int ret = 0;
 
-                        spin_lock_bh(&bat_priv->tt_ghash_lock);
-                        hash_add(bat_priv->tt_global_hash, compare_gtt,
-                                 choose_orig, tt_global_entry,
-                                 &tt_global_entry->hash_entry);
+        tt_global_entry = tt_global_hash_find(bat_priv, tt_addr);
 
-                }
+        if (!tt_global_entry) {
+                tt_global_entry =
+                        kmalloc(sizeof(*tt_global_entry),
+                                GFP_ATOMIC);
+                if (!tt_global_entry)
+                        goto out;
 
+                memcpy(tt_global_entry->addr, tt_addr, ETH_ALEN);
+                /* Assign the new orig_node */
+                atomic_inc(&orig_node->refcount);
                 tt_global_entry->orig_node = orig_node;
-                spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
-                /* remove address from local hash if present */
-                spin_lock_bh(&bat_priv->tt_lhash_lock);
-
-                tt_ptr = tt_buff + (tt_buff_count * ETH_ALEN);
-                tt_local_entry = tt_local_hash_find(bat_priv, tt_ptr);
-
-                if (tt_local_entry)
-                        tt_local_del(bat_priv, tt_local_entry,
-                                      "global tt received");
-
-                spin_unlock_bh(&bat_priv->tt_lhash_lock);
-
-                tt_buff_count++;
+                tt_global_entry->ttvn = ttvn;
+                tt_global_entry->flags = NO_FLAGS;
+                tt_global_entry->roam_at = 0;
+                atomic_set(&tt_global_entry->refcount, 2);
+
+                hash_add(bat_priv->tt_global_hash, compare_gtt,
+                         choose_orig, tt_global_entry,
+                         &tt_global_entry->hash_entry);
+                atomic_inc(&orig_node->tt_size);
+        } else {
+                if (tt_global_entry->orig_node != orig_node) {
+                        atomic_dec(&tt_global_entry->orig_node->tt_size);
+                        orig_node_tmp = tt_global_entry->orig_node;
+                        atomic_inc(&orig_node->refcount);
+                        tt_global_entry->orig_node = orig_node;
+                        orig_node_free_ref(orig_node_tmp);
+                        atomic_inc(&orig_node->tt_size);
+                }
+                tt_global_entry->ttvn = ttvn;
+                tt_global_entry->flags = NO_FLAGS;
+                tt_global_entry->roam_at = 0;
         }
 
-        /* initialize, and overwrite if malloc succeeds */
-        orig_node->tt_buff = NULL;
-        orig_node->tt_buff_len = 0;
+        bat_dbg(DBG_TT, bat_priv,
+                "Creating new global tt entry: %pM (via %pM)\n",
+                tt_global_entry->addr, orig_node->orig);
 
-        if (tt_buff_len > 0) {
-                orig_node->tt_buff = kmalloc(tt_buff_len, GFP_ATOMIC);
-                if (orig_node->tt_buff) {
-                        memcpy(orig_node->tt_buff, tt_buff, tt_buff_len);
-                        orig_node->tt_buff_len = tt_buff_len;
-                }
-        }
+        /* remove address from local hash if present */
+        tt_local_remove(bat_priv, tt_global_entry->addr,
+                        "global tt received", roaming);
+        ret = 1;
+out:
+        if (tt_global_entry)
+                tt_global_entry_free_ref(tt_global_entry);
+        return ret;
 }
 
 int tt_global_seq_print_text(struct seq_file *seq, void *offset)
@@ -508,26 +582,27 @@ int tt_global_seq_print_text(struct seq_file *seq, void *offset)
         seq_printf(seq,
                    "Globally announced TT entries received via the mesh %s\n",
                    net_dev->name);
-
-        spin_lock_bh(&bat_priv->tt_ghash_lock);
+        seq_printf(seq, "       %-13s %s       %-15s %s\n",
+                   "Client", "(TTVN)", "Originator", "(Curr TTVN)");
 
         buf_size = 1;
-        /* Estimate length for: " * xx:xx:xx:xx:xx:xx via xx:xx:xx:xx:xx:xx\n"*/
+        /* Estimate length for: " * xx:xx:xx:xx:xx:xx (ttvn) via
+         * xx:xx:xx:xx:xx:xx (cur_ttvn)\n"*/
         for (i = 0; i < hash->size; i++) {
                 head = &hash->table[i];
 
                 rcu_read_lock();
                 __hlist_for_each_rcu(node, head)
-                        buf_size += 43;
+                        buf_size += 59;
                 rcu_read_unlock();
         }
 
         buff = kmalloc(buf_size, GFP_ATOMIC);
         if (!buff) {
-                spin_unlock_bh(&bat_priv->tt_ghash_lock);
                 ret = -ENOMEM;
                 goto out;
         }
+
         buff[0] = '\0';
         pos = 0;
 
@@ -537,16 +612,18 @@ int tt_global_seq_print_text(struct seq_file *seq, void *offset)
                 rcu_read_lock();
                 hlist_for_each_entry_rcu(tt_global_entry, node,
                                          head, hash_entry) {
-                        pos += snprintf(buff + pos, 44,
-                                        " * %pM via %pM\n",
+                        pos += snprintf(buff + pos, 61,
+                                        " * %pM  (%3u) via %pM     (%3u)\n",
                                         tt_global_entry->addr,
-                                        tt_global_entry->orig_node->orig);
+                                        tt_global_entry->ttvn,
+                                        tt_global_entry->orig_node->orig,
+                                        (uint8_t) atomic_read(
+                                                &tt_global_entry->orig_node->
+                                                last_ttvn));
                 }
                 rcu_read_unlock();
         }
 
-        spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
         seq_printf(seq, "%s", buff);
         kfree(buff);
 out:
@@ -555,84 +632,1091 @@ out:
         return ret;
 }
 
-static void _tt_global_del_orig(struct bat_priv *bat_priv,
-                                 struct tt_global_entry *tt_global_entry,
-                                 char *message)
+static void _tt_global_del(struct bat_priv *bat_priv,
+                           struct tt_global_entry *tt_global_entry,
+                           const char *message)
 {
-        bat_dbg(DBG_ROUTES, bat_priv,
+        if (!tt_global_entry)
+                goto out;
+
+        bat_dbg(DBG_TT, bat_priv,
                 "Deleting global tt entry %pM (via %pM): %s\n",
                 tt_global_entry->addr, tt_global_entry->orig_node->orig,
                 message);
 
+        atomic_dec(&tt_global_entry->orig_node->tt_size);
+
         hash_remove(bat_priv->tt_global_hash, compare_gtt, choose_orig,
                     tt_global_entry->addr);
-        kfree(tt_global_entry);
+out:
+        if (tt_global_entry)
+                tt_global_entry_free_ref(tt_global_entry);
 }
 
-void tt_global_del_orig(struct bat_priv *bat_priv,
-                         struct orig_node *orig_node, char *message)
+void tt_global_del(struct bat_priv *bat_priv,
+                   struct orig_node *orig_node, const unsigned char *addr,
+                   const char *message, bool roaming)
 {
-        struct tt_global_entry *tt_global_entry;
-        int tt_buff_count = 0;
-        unsigned char *tt_ptr;
+        struct tt_global_entry *tt_global_entry = NULL;
 
-        if (orig_node->tt_buff_len == 0)
-                return;
+        tt_global_entry = tt_global_hash_find(bat_priv, addr);
+        if (!tt_global_entry)
+                goto out;
 
-        spin_lock_bh(&bat_priv->tt_ghash_lock);
+        if (tt_global_entry->orig_node == orig_node) {
+                if (roaming) {
+                        tt_global_entry->flags |= TT_CLIENT_ROAM;
+                        tt_global_entry->roam_at = jiffies;
+                        goto out;
+                }
+                _tt_global_del(bat_priv, tt_global_entry, message);
+        }
+out:
+        if (tt_global_entry)
+                tt_global_entry_free_ref(tt_global_entry);
+}
 
-        while ((tt_buff_count + 1) * ETH_ALEN <= orig_node->tt_buff_len) {
-                tt_ptr = orig_node->tt_buff + (tt_buff_count * ETH_ALEN);
-                tt_global_entry = tt_global_hash_find(bat_priv, tt_ptr);
+void tt_global_del_orig(struct bat_priv *bat_priv,
+                        struct orig_node *orig_node, const char *message)
+{
+        struct tt_global_entry *tt_global_entry;
+        int i;
+        struct hashtable_t *hash = bat_priv->tt_global_hash;
+        struct hlist_node *node, *safe;
+        struct hlist_head *head;
+        spinlock_t *list_lock; /* protects write access to the hash lists */
 
-                if ((tt_global_entry) &&
-                    (tt_global_entry->orig_node == orig_node))
-                        _tt_global_del_orig(bat_priv, tt_global_entry,
-                                             message);
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+                list_lock = &hash->list_locks[i];
 
-                tt_buff_count++;
+                spin_lock_bh(list_lock);
+                hlist_for_each_entry_safe(tt_global_entry, node, safe,
+                                         head, hash_entry) {
+                        if (tt_global_entry->orig_node == orig_node) {
+                                bat_dbg(DBG_TT, bat_priv,
+                                        "Deleting global tt entry %pM "
+                                        "(via %pM): originator time out\n",
+                                        tt_global_entry->addr,
+                                        tt_global_entry->orig_node->orig);
+                                hlist_del_rcu(node);
+                                tt_global_entry_free_ref(tt_global_entry);
+                        }
+                }
+                spin_unlock_bh(list_lock);
         }
-
-        spin_unlock_bh(&bat_priv->tt_ghash_lock);
-
-        orig_node->tt_buff_len = 0;
-        kfree(orig_node->tt_buff);
-        orig_node->tt_buff = NULL;
+        atomic_set(&orig_node->tt_size, 0);
 }
 
-static void tt_global_del(struct hlist_node *node, void *arg)
+static void tt_global_roam_purge(struct bat_priv *bat_priv)
 {
-        void *data = container_of(node, struct tt_global_entry, hash_entry);
+        struct hashtable_t *hash = bat_priv->tt_global_hash;
+        struct tt_global_entry *tt_global_entry;
+        struct hlist_node *node, *node_tmp;
+        struct hlist_head *head;
+        spinlock_t *list_lock; /* protects write access to the hash lists */
+        int i;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+                list_lock = &hash->list_locks[i];
+
+                spin_lock_bh(list_lock);
+                hlist_for_each_entry_safe(tt_global_entry, node, node_tmp,
+                                          head, hash_entry) {
+                        if (!(tt_global_entry->flags & TT_CLIENT_ROAM))
+                                continue;
+                        if (!is_out_of_time(tt_global_entry->roam_at,
+                                            TT_CLIENT_ROAM_TIMEOUT * 1000))
+                                continue;
+
+                        bat_dbg(DBG_TT, bat_priv, "Deleting global "
+                                "tt entry (%pM): Roaming timeout\n",
+                                tt_global_entry->addr);
+                        atomic_dec(&tt_global_entry->orig_node->tt_size);
+                        hlist_del_rcu(node);
+                        tt_global_entry_free_ref(tt_global_entry);
+                }
+                spin_unlock_bh(list_lock);
+        }
 
-        kfree(data);
 }
 
-void tt_global_free(struct bat_priv *bat_priv)
+static void tt_global_table_free(struct bat_priv *bat_priv)
 {
+        struct hashtable_t *hash;
+        spinlock_t *list_lock; /* protects write access to the hash lists */
+        struct tt_global_entry *tt_global_entry;
+        struct hlist_node *node, *node_tmp;
+        struct hlist_head *head;
+        int i;
+
         if (!bat_priv->tt_global_hash)
                 return;
 
-        hash_delete(bat_priv->tt_global_hash, tt_global_del, NULL);
+        hash = bat_priv->tt_global_hash;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+                list_lock = &hash->list_locks[i];
+
+                spin_lock_bh(list_lock);
+                hlist_for_each_entry_safe(tt_global_entry, node, node_tmp,
+                                          head, hash_entry) {
+                        hlist_del_rcu(node);
+                        tt_global_entry_free_ref(tt_global_entry);
+                }
+                spin_unlock_bh(list_lock);
+        }
+
+        hash_destroy(hash);
+
         bat_priv->tt_global_hash = NULL;
 }
 
-struct orig_node *transtable_search(struct bat_priv *bat_priv, uint8_t *addr)
+struct orig_node *transtable_search(struct bat_priv *bat_priv,
+                                    const uint8_t *addr)
 {
         struct tt_global_entry *tt_global_entry;
         struct orig_node *orig_node = NULL;
 
-        spin_lock_bh(&bat_priv->tt_ghash_lock);
         tt_global_entry = tt_global_hash_find(bat_priv, addr);
 
         if (!tt_global_entry)
                 goto out;
 
         if (!atomic_inc_not_zero(&tt_global_entry->orig_node->refcount))
-                goto out;
+                goto free_tt;
+
+        /* A global client marked as PENDING has already moved from that
+         * originator */
+        if (tt_global_entry->flags & TT_CLIENT_PENDING)
+                goto free_tt;
 
         orig_node = tt_global_entry->orig_node;
 
+free_tt:
+        tt_global_entry_free_ref(tt_global_entry);
 out:
-        spin_unlock_bh(&bat_priv->tt_ghash_lock);
         return orig_node;
 }
+
+/* Calculates the checksum of the local table of a given orig_node */
+uint16_t tt_global_crc(struct bat_priv *bat_priv, struct orig_node *orig_node)
+{
+        uint16_t total = 0, total_one;
+        struct hashtable_t *hash = bat_priv->tt_global_hash;
+        struct tt_global_entry *tt_global_entry;
+        struct hlist_node *node;
+        struct hlist_head *head;
+        int i, j;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+
+                rcu_read_lock();
+                hlist_for_each_entry_rcu(tt_global_entry, node,
+                                         head, hash_entry) {
+                        if (compare_eth(tt_global_entry->orig_node,
+                                        orig_node)) {
+                                /* Roaming clients are in the global table for
+                                 * consistency only. They don't have to be
+                                 * taken into account while computing the
+                                 * global crc */
+                                if (tt_global_entry->flags & TT_CLIENT_ROAM)
+                                        continue;
+                                total_one = 0;
+                                for (j = 0; j < ETH_ALEN; j++)
+                                        total_one = crc16_byte(total_one,
+                                                tt_global_entry->addr[j]);
+                                total ^= total_one;
+                        }
+                }
+                rcu_read_unlock();
+        }
+
+        return total;
+}
+
+/* Calculates the checksum of the local table */
+uint16_t tt_local_crc(struct bat_priv *bat_priv)
+{
+        uint16_t total = 0, total_one;
+        struct hashtable_t *hash = bat_priv->tt_local_hash;
+        struct tt_local_entry *tt_local_entry;
+        struct hlist_node *node;
+        struct hlist_head *head;
+        int i, j;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+
+                rcu_read_lock();
+                hlist_for_each_entry_rcu(tt_local_entry, node,
+                                         head, hash_entry) {
+                        /* not yet committed clients have not to be taken into
+                         * account while computing the CRC */
+                        if (tt_local_entry->flags & TT_CLIENT_NEW)
+                                continue;
+                        total_one = 0;
+                        for (j = 0; j < ETH_ALEN; j++)
+                                total_one = crc16_byte(total_one,
+                                                   tt_local_entry->addr[j]);
+                        total ^= total_one;
+                }
+                rcu_read_unlock();
+        }
+
+        return total;
+}
+
+static void tt_req_list_free(struct bat_priv *bat_priv)
+{
+        struct tt_req_node *node, *safe;
+
+        spin_lock_bh(&bat_priv->tt_req_list_lock);
+
+        list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+                list_del(&node->list);
+                kfree(node);
+        }
+
+        spin_unlock_bh(&bat_priv->tt_req_list_lock);
+}
+
+void tt_save_orig_buffer(struct bat_priv *bat_priv, struct orig_node *orig_node,
+                         const unsigned char *tt_buff, uint8_t tt_num_changes)
+{
+        uint16_t tt_buff_len = tt_len(tt_num_changes);
+
+        /* Replace the old buffer only if I received something in the
+         * last OGM (the OGM could carry no changes) */
+        spin_lock_bh(&orig_node->tt_buff_lock);
+        if (tt_buff_len > 0) {
+                kfree(orig_node->tt_buff);
+                orig_node->tt_buff_len = 0;
+                orig_node->tt_buff = kmalloc(tt_buff_len, GFP_ATOMIC);
+                if (orig_node->tt_buff) {
+                        memcpy(orig_node->tt_buff, tt_buff, tt_buff_len);
+                        orig_node->tt_buff_len = tt_buff_len;
+                }
+        }
+        spin_unlock_bh(&orig_node->tt_buff_lock);
+}
+
+static void tt_req_purge(struct bat_priv *bat_priv)
+{
+        struct tt_req_node *node, *safe;
+
+        spin_lock_bh(&bat_priv->tt_req_list_lock);
+        list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+                if (is_out_of_time(node->issued_at,
+                    TT_REQUEST_TIMEOUT * 1000)) {
+                        list_del(&node->list);
+                        kfree(node);
+                }
+        }
+        spin_unlock_bh(&bat_priv->tt_req_list_lock);
+}
+
+/* returns the pointer to the new tt_req_node struct if no request
+ * has already been issued for this orig_node, NULL otherwise */
+static struct tt_req_node *new_tt_req_node(struct bat_priv *bat_priv,
+                                          struct orig_node *orig_node)
+{
+        struct tt_req_node *tt_req_node_tmp, *tt_req_node = NULL;
+
+        spin_lock_bh(&bat_priv->tt_req_list_lock);
+        list_for_each_entry(tt_req_node_tmp, &bat_priv->tt_req_list, list) {
+                if (compare_eth(tt_req_node_tmp, orig_node) &&
+                    !is_out_of_time(tt_req_node_tmp->issued_at,
+                                    TT_REQUEST_TIMEOUT * 1000))
+                        goto unlock;
+        }
+
+        tt_req_node = kmalloc(sizeof(*tt_req_node), GFP_ATOMIC);
+        if (!tt_req_node)
+                goto unlock;
+
+        memcpy(tt_req_node->addr, orig_node->orig, ETH_ALEN);
+        tt_req_node->issued_at = jiffies;
+
+        list_add(&tt_req_node->list, &bat_priv->tt_req_list);
+unlock:
+        spin_unlock_bh(&bat_priv->tt_req_list_lock);
+        return tt_req_node;
+}
+
+/* data_ptr is useless here, but has to be kept to respect the prototype */
+static int tt_local_valid_entry(const void *entry_ptr, const void *data_ptr)
+{
+        const struct tt_local_entry *tt_local_entry = entry_ptr;
+
+        if (tt_local_entry->flags & TT_CLIENT_NEW)
+                return 0;
+        return 1;
+}
+
+static int tt_global_valid_entry(const void *entry_ptr, const void *data_ptr)
+{
+        const struct tt_global_entry *tt_global_entry = entry_ptr;
+        const struct orig_node *orig_node = data_ptr;
+
+        if (tt_global_entry->flags & TT_CLIENT_ROAM)
+                return 0;
+
+        return (tt_global_entry->orig_node == orig_node);
+}
+
+static struct sk_buff *tt_response_fill_table(uint16_t tt_len, uint8_t ttvn,
+                                              struct hashtable_t *hash,
+                                              struct hard_iface *primary_if,
+                                              int (*valid_cb)(const void *,
+                                                              const void *),
+                                              void *cb_data)
+{
+        struct tt_local_entry *tt_local_entry;
+        struct tt_query_packet *tt_response;
+        struct tt_change *tt_change;
+        struct hlist_node *node;
+        struct hlist_head *head;
+        struct sk_buff *skb = NULL;
+        uint16_t tt_tot, tt_count;
+        ssize_t tt_query_size = sizeof(struct tt_query_packet);
+        int i;
+
+        if (tt_query_size + tt_len > primary_if->soft_iface->mtu) {
+                tt_len = primary_if->soft_iface->mtu - tt_query_size;
+                tt_len -= tt_len % sizeof(struct tt_change);
+        }
+        tt_tot = tt_len / sizeof(struct tt_change);
+
+        skb = dev_alloc_skb(tt_query_size + tt_len + ETH_HLEN);
+        if (!skb)
+                goto out;
+
+        skb_reserve(skb, ETH_HLEN);
+        tt_response = (struct tt_query_packet *)skb_put(skb,
+                                                     tt_query_size + tt_len);
+        tt_response->ttvn = ttvn;
+        tt_response->tt_data = htons(tt_tot);
+
+        tt_change = (struct tt_change *)(skb->data + tt_query_size);
+        tt_count = 0;
+
+        rcu_read_lock();
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+
+                hlist_for_each_entry_rcu(tt_local_entry, node,
+                                         head, hash_entry) {
+                        if (tt_count == tt_tot)
+                                break;
+
+                        if ((valid_cb) && (!valid_cb(tt_local_entry, cb_data)))
+                                continue;
+
+                        memcpy(tt_change->addr, tt_local_entry->addr, ETH_ALEN);
+                        tt_change->flags = NO_FLAGS;
+
+                        tt_count++;
+                        tt_change++;
+                }
+        }
+        rcu_read_unlock();
+
+out:
+        return skb;
+}
+
+int send_tt_request(struct bat_priv *bat_priv, struct orig_node *dst_orig_node,
+                    uint8_t ttvn, uint16_t tt_crc, bool full_table)
+{
+        struct sk_buff *skb = NULL;
+        struct tt_query_packet *tt_request;
+        struct neigh_node *neigh_node = NULL;
+        struct hard_iface *primary_if;
+        struct tt_req_node *tt_req_node = NULL;
+        int ret = 1;
+
+        primary_if = primary_if_get_selected(bat_priv);
+        if (!primary_if)
+                goto out;
+
+        /* The new tt_req will be issued only if I'm not waiting for a
+         * reply from the same orig_node yet */
+        tt_req_node = new_tt_req_node(bat_priv, dst_orig_node);
+        if (!tt_req_node)
+                goto out;
+
+        skb = dev_alloc_skb(sizeof(struct tt_query_packet) + ETH_HLEN);
+        if (!skb)
+                goto out;
+
+        skb_reserve(skb, ETH_HLEN);
+
+        tt_request = (struct tt_query_packet *)skb_put(skb,
+                                sizeof(struct tt_query_packet));
+
+        tt_request->packet_type = BAT_TT_QUERY;
+        tt_request->version = COMPAT_VERSION;
+        memcpy(tt_request->src, primary_if->net_dev->dev_addr, ETH_ALEN);
+        memcpy(tt_request->dst, dst_orig_node->orig, ETH_ALEN);
+        tt_request->ttl = TTL;
+        tt_request->ttvn = ttvn;
+        tt_request->tt_data = tt_crc;
+        tt_request->flags = TT_REQUEST;
+
+        if (full_table)
+                tt_request->flags |= TT_FULL_TABLE;
+
+        neigh_node = orig_node_get_router(dst_orig_node);
+        if (!neigh_node)
+                goto out;
+
+        bat_dbg(DBG_TT, bat_priv, "Sending TT_REQUEST to %pM via %pM "
+                "[%c]\n", dst_orig_node->orig, neigh_node->addr,
+                (full_table ? 'F' : '.'));
+
+        send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+        ret = 0;
+
+out:
+        if (neigh_node)
+                neigh_node_free_ref(neigh_node);
+        if (primary_if)
+                hardif_free_ref(primary_if);
+        if (ret)
+                kfree_skb(skb);
+        if (ret && tt_req_node) {
+                spin_lock_bh(&bat_priv->tt_req_list_lock);
+                list_del(&tt_req_node->list);
+                spin_unlock_bh(&bat_priv->tt_req_list_lock);
+                kfree(tt_req_node);
+        }
+        return ret;
+}
+
+static bool send_other_tt_response(struct bat_priv *bat_priv,
+                                   struct tt_query_packet *tt_request)
+{
+        struct orig_node *req_dst_orig_node = NULL, *res_dst_orig_node = NULL;
+        struct neigh_node *neigh_node = NULL;
+        struct hard_iface *primary_if = NULL;
+        uint8_t orig_ttvn, req_ttvn, ttvn;
+        int ret = false;
+        unsigned char *tt_buff;
+        bool full_table;
+        uint16_t tt_len, tt_tot;
+        struct sk_buff *skb = NULL;
+        struct tt_query_packet *tt_response;
+
+        bat_dbg(DBG_TT, bat_priv,
+                "Received TT_REQUEST from %pM for "
+                "ttvn: %u (%pM) [%c]\n", tt_request->src,
+                tt_request->ttvn, tt_request->dst,
+                (tt_request->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+        /* Let's get the orig node of the REAL destination */
+        req_dst_orig_node = get_orig_node(bat_priv, tt_request->dst);
+        if (!req_dst_orig_node)
+                goto out;
+
+        res_dst_orig_node = get_orig_node(bat_priv, tt_request->src);
+        if (!res_dst_orig_node)
+                goto out;
+
+        neigh_node = orig_node_get_router(res_dst_orig_node);
+        if (!neigh_node)
+                goto out;
+
+        primary_if = primary_if_get_selected(bat_priv);
+        if (!primary_if)
+                goto out;
+
+        orig_ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
+        req_ttvn = tt_request->ttvn;
+
+        /* I have not the requested data */
+        if (orig_ttvn != req_ttvn ||
+            tt_request->tt_data != req_dst_orig_node->tt_crc)
+                goto out;
+
+        /* If it has explicitly been requested the full table */
+        if (tt_request->flags & TT_FULL_TABLE ||
+            !req_dst_orig_node->tt_buff)
+                full_table = true;
+        else
+                full_table = false;
+
+        /* In this version, fragmentation is not implemented, then
+         * I'll send only one packet with as much TT entries as I can */
+        if (!full_table) {
+                spin_lock_bh(&req_dst_orig_node->tt_buff_lock);
+                tt_len = req_dst_orig_node->tt_buff_len;
+                tt_tot = tt_len / sizeof(struct tt_change);
+
+                skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
+                                    tt_len + ETH_HLEN);
+                if (!skb)
+                        goto unlock;
+
+                skb_reserve(skb, ETH_HLEN);
+                tt_response = (struct tt_query_packet *)skb_put(skb,
+                                sizeof(struct tt_query_packet) + tt_len);
+                tt_response->ttvn = req_ttvn;
+                tt_response->tt_data = htons(tt_tot);
+
+                tt_buff = skb->data + sizeof(struct tt_query_packet);
+                /* Copy the last orig_node's OGM buffer */
+                memcpy(tt_buff, req_dst_orig_node->tt_buff,
+                       req_dst_orig_node->tt_buff_len);
+
+                spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
+        } else {
+                tt_len = (uint16_t)atomic_read(&req_dst_orig_node->tt_size) *
+                                                sizeof(struct tt_change);
+                ttvn = (uint8_t)atomic_read(&req_dst_orig_node->last_ttvn);
+
+                skb = tt_response_fill_table(tt_len, ttvn,
+                                             bat_priv->tt_global_hash,
+                                             primary_if, tt_global_valid_entry,
+                                             req_dst_orig_node);
+                if (!skb)
+                        goto out;
+
+                tt_response = (struct tt_query_packet *)skb->data;
+        }
+
+        tt_response->packet_type = BAT_TT_QUERY;
+        tt_response->version = COMPAT_VERSION;
+        tt_response->ttl = TTL;
+        memcpy(tt_response->src, req_dst_orig_node->orig, ETH_ALEN);
+        memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
+        tt_response->flags = TT_RESPONSE;
+
+        if (full_table)
+                tt_response->flags |= TT_FULL_TABLE;
+
+        bat_dbg(DBG_TT, bat_priv,
+                "Sending TT_RESPONSE %pM via %pM for %pM (ttvn: %u)\n",
+                res_dst_orig_node->orig, neigh_node->addr,
+                req_dst_orig_node->orig, req_ttvn);
+
+        send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+        ret = true;
+        goto out;
+
+unlock:
+        spin_unlock_bh(&req_dst_orig_node->tt_buff_lock);
+
+out:
+        if (res_dst_orig_node)
+                orig_node_free_ref(res_dst_orig_node);
+        if (req_dst_orig_node)
+                orig_node_free_ref(req_dst_orig_node);
+        if (neigh_node)
+                neigh_node_free_ref(neigh_node);
+        if (primary_if)
+                hardif_free_ref(primary_if);
+        if (!ret)
+                kfree_skb(skb);
+        return ret;
+
+}
+static bool send_my_tt_response(struct bat_priv *bat_priv,
+                                struct tt_query_packet *tt_request)
+{
+        struct orig_node *orig_node = NULL;
+        struct neigh_node *neigh_node = NULL;
+        struct hard_iface *primary_if = NULL;
+        uint8_t my_ttvn, req_ttvn, ttvn;
+        int ret = false;
+        unsigned char *tt_buff;
+        bool full_table;
+        uint16_t tt_len, tt_tot;
+        struct sk_buff *skb = NULL;
+        struct tt_query_packet *tt_response;
+
+        bat_dbg(DBG_TT, bat_priv,
+                "Received TT_REQUEST from %pM for "
+                "ttvn: %u (me) [%c]\n", tt_request->src,
+                tt_request->ttvn,
+                (tt_request->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+
+        my_ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+        req_ttvn = tt_request->ttvn;
+
+        orig_node = get_orig_node(bat_priv, tt_request->src);
+        if (!orig_node)
+                goto out;
+
+        neigh_node = orig_node_get_router(orig_node);
+        if (!neigh_node)
+                goto out;
+
+        primary_if = primary_if_get_selected(bat_priv);
+        if (!primary_if)
+                goto out;
+
+        /* If the full table has been explicitly requested or the gap
+         * is too big send the whole local translation table */
+        if (tt_request->flags & TT_FULL_TABLE || my_ttvn != req_ttvn ||
+            !bat_priv->tt_buff)
+                full_table = true;
+        else
+                full_table = false;
+
+        /* In this version, fragmentation is not implemented, then
+         * I'll send only one packet with as much TT entries as I can */
+        if (!full_table) {
+                spin_lock_bh(&bat_priv->tt_buff_lock);
+                tt_len = bat_priv->tt_buff_len;
+                tt_tot = tt_len / sizeof(struct tt_change);
+
+                skb = dev_alloc_skb(sizeof(struct tt_query_packet) +
+                                    tt_len + ETH_HLEN);
+                if (!skb)
+                        goto unlock;
+
+                skb_reserve(skb, ETH_HLEN);
+                tt_response = (struct tt_query_packet *)skb_put(skb,
+                                sizeof(struct tt_query_packet) + tt_len);
+                tt_response->ttvn = req_ttvn;
+                tt_response->tt_data = htons(tt_tot);
+
+                tt_buff = skb->data + sizeof(struct tt_query_packet);
+                memcpy(tt_buff, bat_priv->tt_buff,
+                       bat_priv->tt_buff_len);
+                spin_unlock_bh(&bat_priv->tt_buff_lock);
+        } else {
+                tt_len = (uint16_t)atomic_read(&bat_priv->num_local_tt) *
+                                                sizeof(struct tt_change);
+                ttvn = (uint8_t)atomic_read(&bat_priv->ttvn);
+
+                skb = tt_response_fill_table(tt_len, ttvn,
+                                             bat_priv->tt_local_hash,
+                                             primary_if, tt_local_valid_entry,
+                                             NULL);
+                if (!skb)
+                        goto out;
+
+                tt_response = (struct tt_query_packet *)skb->data;
+        }
+
+        tt_response->packet_type = BAT_TT_QUERY;
+        tt_response->version = COMPAT_VERSION;
+        tt_response->ttl = TTL;
+        memcpy(tt_response->src, primary_if->net_dev->dev_addr, ETH_ALEN);
+        memcpy(tt_response->dst, tt_request->src, ETH_ALEN);
+        tt_response->flags = TT_RESPONSE;
+
+        if (full_table)
+                tt_response->flags |= TT_FULL_TABLE;
+
+        bat_dbg(DBG_TT, bat_priv,
+                "Sending TT_RESPONSE to %pM via %pM [%c]\n",
+                orig_node->orig, neigh_node->addr,
+                (tt_response->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+        send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+        ret = true;
+        goto out;
+
+unlock:
+        spin_unlock_bh(&bat_priv->tt_buff_lock);
+out:
+        if (orig_node)
+                orig_node_free_ref(orig_node);
+        if (neigh_node)
+                neigh_node_free_ref(neigh_node);
+        if (primary_if)
+                hardif_free_ref(primary_if);
+        if (!ret)
+                kfree_skb(skb);
+        /* This packet was for me, so it doesn't need to be re-routed */
+        return true;
+}
+
+bool send_tt_response(struct bat_priv *bat_priv,
+                      struct tt_query_packet *tt_request)
+{
+        if (is_my_mac(tt_request->dst))
+                return send_my_tt_response(bat_priv, tt_request);
+        else
+                return send_other_tt_response(bat_priv, tt_request);
+}
+
+static void _tt_update_changes(struct bat_priv *bat_priv,
+                               struct orig_node *orig_node,
+                               struct tt_change *tt_change,
+                               uint16_t tt_num_changes, uint8_t ttvn)
+{
+        int i;
+
+        for (i = 0; i < tt_num_changes; i++) {
+                if ((tt_change + i)->flags & TT_CLIENT_DEL)
+                        tt_global_del(bat_priv, orig_node,
+                                      (tt_change + i)->addr,
+                                      "tt removed by changes",
+                                      (tt_change + i)->flags & TT_CLIENT_ROAM);
+                else
+                        if (!tt_global_add(bat_priv, orig_node,
+                                           (tt_change + i)->addr, ttvn, false))
+                                /* In case of problem while storing a
+                                 * global_entry, we stop the updating
+                                 * procedure without committing the
+                                 * ttvn change. This will avoid to send
+                                 * corrupted data on tt_request
+                                 */
+                                return;
+        }
+}
+
+static void tt_fill_gtable(struct bat_priv *bat_priv,
+                           struct tt_query_packet *tt_response)
+{
+        struct orig_node *orig_node = NULL;
+
+        orig_node = orig_hash_find(bat_priv, tt_response->src);
+        if (!orig_node)
+                goto out;
+
+        /* Purge the old table first.. */
+        tt_global_del_orig(bat_priv, orig_node, "Received full table");
+
+        _tt_update_changes(bat_priv, orig_node,
+                           (struct tt_change *)(tt_response + 1),
+                           tt_response->tt_data, tt_response->ttvn);
+
+        spin_lock_bh(&orig_node->tt_buff_lock);
+        kfree(orig_node->tt_buff);
+        orig_node->tt_buff_len = 0;
+        orig_node->tt_buff = NULL;
+        spin_unlock_bh(&orig_node->tt_buff_lock);
+
+        atomic_set(&orig_node->last_ttvn, tt_response->ttvn);
+
+out:
+        if (orig_node)
+                orig_node_free_ref(orig_node);
+}
+
+void tt_update_changes(struct bat_priv *bat_priv, struct orig_node *orig_node,
+                       uint16_t tt_num_changes, uint8_t ttvn,
+                       struct tt_change *tt_change)
+{
+        _tt_update_changes(bat_priv, orig_node, tt_change, tt_num_changes,
+                           ttvn);
+
+        tt_save_orig_buffer(bat_priv, orig_node, (unsigned char *)tt_change,
+                            tt_num_changes);
+        atomic_set(&orig_node->last_ttvn, ttvn);
+}
+
+bool is_my_client(struct bat_priv *bat_priv, const uint8_t *addr)
+{
+        struct tt_local_entry *tt_local_entry = NULL;
+        bool ret = false;
+
+        tt_local_entry = tt_local_hash_find(bat_priv, addr);
+        if (!tt_local_entry)
+                goto out;
+        /* Check if the client has been logically deleted (but is kept for
+         * consistency purpose) */
+        if (tt_local_entry->flags & TT_CLIENT_PENDING)
+                goto out;
+        ret = true;
+out:
+        if (tt_local_entry)
+                tt_local_entry_free_ref(tt_local_entry);
+        return ret;
+}
+
+void handle_tt_response(struct bat_priv *bat_priv,
+                        struct tt_query_packet *tt_response)
+{
+        struct tt_req_node *node, *safe;
+        struct orig_node *orig_node = NULL;
+
+        bat_dbg(DBG_TT, bat_priv, "Received TT_RESPONSE from %pM for "
+                "ttvn %d t_size: %d [%c]\n",
+                tt_response->src, tt_response->ttvn,
+                tt_response->tt_data,
+                (tt_response->flags & TT_FULL_TABLE ? 'F' : '.'));
+
+        orig_node = orig_hash_find(bat_priv, tt_response->src);
+        if (!orig_node)
+                goto out;
+
+        if (tt_response->flags & TT_FULL_TABLE)
+                tt_fill_gtable(bat_priv, tt_response);
+        else
+                tt_update_changes(bat_priv, orig_node, tt_response->tt_data,
+                                  tt_response->ttvn,
+                                  (struct tt_change *)(tt_response + 1));
+
+        /* Delete the tt_req_node from pending tt_requests list */
+        spin_lock_bh(&bat_priv->tt_req_list_lock);
+        list_for_each_entry_safe(node, safe, &bat_priv->tt_req_list, list) {
+                if (!compare_eth(node->addr, tt_response->src))
+                        continue;
+                list_del(&node->list);
+                kfree(node);
+        }
+        spin_unlock_bh(&bat_priv->tt_req_list_lock);
+
+        /* Recalculate the CRC for this orig_node and store it */
+        orig_node->tt_crc = tt_global_crc(bat_priv, orig_node);
+        /* Roaming phase is over: tables are in sync again. I can
+         * unset the flag */
+        orig_node->tt_poss_change = false;
+out:
+        if (orig_node)
+                orig_node_free_ref(orig_node);
+}
+
+int tt_init(struct bat_priv *bat_priv)
+{
+        if (!tt_local_init(bat_priv))
+                return 0;
+
+        if (!tt_global_init(bat_priv))
+                return 0;
+
+        tt_start_timer(bat_priv);
+
+        return 1;
+}
+
+static void tt_roam_list_free(struct bat_priv *bat_priv)
+{
+        struct tt_roam_node *node, *safe;
+
+        spin_lock_bh(&bat_priv->tt_roam_list_lock);
+
+        list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) {
+                list_del(&node->list);
+                kfree(node);
+        }
+
+        spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+}
+
+static void tt_roam_purge(struct bat_priv *bat_priv)
+{
+        struct tt_roam_node *node, *safe;
+
+        spin_lock_bh(&bat_priv->tt_roam_list_lock);
+        list_for_each_entry_safe(node, safe, &bat_priv->tt_roam_list, list) {
+                if (!is_out_of_time(node->first_time,
+                                    ROAMING_MAX_TIME * 1000))
+                        continue;
+
+                list_del(&node->list);
+                kfree(node);
+        }
+        spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+}
+
+/* This function checks whether the client already reached the
+ * maximum number of possible roaming phases. In this case the ROAMING_ADV
+ * will not be sent.
+ *
+ * returns true if the ROAMING_ADV can be sent, false otherwise */
+static bool tt_check_roam_count(struct bat_priv *bat_priv,
+                                uint8_t *client)
+{
+        struct tt_roam_node *tt_roam_node;
+        bool ret = false;
+
+        spin_lock_bh(&bat_priv->tt_roam_list_lock);
+        /* The new tt_req will be issued only if I'm not waiting for a
+         * reply from the same orig_node yet */
+        list_for_each_entry(tt_roam_node, &bat_priv->tt_roam_list, list) {
+                if (!compare_eth(tt_roam_node->addr, client))
+                        continue;
+
+                if (is_out_of_time(tt_roam_node->first_time,
+                                   ROAMING_MAX_TIME * 1000))
+                        continue;
+
+                if (!atomic_dec_not_zero(&tt_roam_node->counter))
+                        /* Sorry, you roamed too many times! */
+                        goto unlock;
+                ret = true;
+                break;
+        }
+
+        if (!ret) {
+                tt_roam_node = kmalloc(sizeof(*tt_roam_node), GFP_ATOMIC);
+                if (!tt_roam_node)
+                        goto unlock;
+
+                tt_roam_node->first_time = jiffies;
+                atomic_set(&tt_roam_node->counter, ROAMING_MAX_COUNT - 1);
+                memcpy(tt_roam_node->addr, client, ETH_ALEN);
+
+                list_add(&tt_roam_node->list, &bat_priv->tt_roam_list);
+                ret = true;
+        }
+
+unlock:
+        spin_unlock_bh(&bat_priv->tt_roam_list_lock);
+        return ret;
+}
+
+void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
+                   struct orig_node *orig_node)
+{
+        struct neigh_node *neigh_node = NULL;
+        struct sk_buff *skb = NULL;
+        struct roam_adv_packet *roam_adv_packet;
+        int ret = 1;
+        struct hard_iface *primary_if;
+
+        /* before going on we have to check whether the client has
+         * already roamed to us too many times */
+        if (!tt_check_roam_count(bat_priv, client))
+                goto out;
+
+        skb = dev_alloc_skb(sizeof(struct roam_adv_packet) + ETH_HLEN);
+        if (!skb)
+                goto out;
+
+        skb_reserve(skb, ETH_HLEN);
+
+        roam_adv_packet = (struct roam_adv_packet *)skb_put(skb,
+                                        sizeof(struct roam_adv_packet));
+
+        roam_adv_packet->packet_type = BAT_ROAM_ADV;
+        roam_adv_packet->version = COMPAT_VERSION;
+        roam_adv_packet->ttl = TTL;
+        primary_if = primary_if_get_selected(bat_priv);
+        if (!primary_if)
+                goto out;
+        memcpy(roam_adv_packet->src, primary_if->net_dev->dev_addr, ETH_ALEN);
+        hardif_free_ref(primary_if);
+        memcpy(roam_adv_packet->dst, orig_node->orig, ETH_ALEN);
+        memcpy(roam_adv_packet->client, client, ETH_ALEN);
+
+        neigh_node = orig_node_get_router(orig_node);
+        if (!neigh_node)
+                goto out;
+
+        bat_dbg(DBG_TT, bat_priv,
+                "Sending ROAMING_ADV to %pM (client %pM) via %pM\n",
+                orig_node->orig, client, neigh_node->addr);
+
+        send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr);
+        ret = 0;
+
+out:
+        if (neigh_node)
+                neigh_node_free_ref(neigh_node);
+        if (ret)
+                kfree_skb(skb);
+        return;
+}
+
+static void tt_purge(struct work_struct *work)
+{
+        struct delayed_work *delayed_work =
+                container_of(work, struct delayed_work, work);
+        struct bat_priv *bat_priv =
+                container_of(delayed_work, struct bat_priv, tt_work);
+
+        tt_local_purge(bat_priv);
+        tt_global_roam_purge(bat_priv);
+        tt_req_purge(bat_priv);
+        tt_roam_purge(bat_priv);
+
+        tt_start_timer(bat_priv);
+}
+
+void tt_free(struct bat_priv *bat_priv)
+{
+        cancel_delayed_work_sync(&bat_priv->tt_work);
+
+        tt_local_table_free(bat_priv);
+        tt_global_table_free(bat_priv);
+        tt_req_list_free(bat_priv);
+        tt_changes_list_free(bat_priv);
+        tt_roam_list_free(bat_priv);
+
+        kfree(bat_priv->tt_buff);
+}
+
+/* This function will reset the specified flags from all the entries in
+ * the given hash table and will increment num_local_tt for each involved
+ * entry */
+static void tt_local_reset_flags(struct bat_priv *bat_priv, uint16_t flags)
+{
+        int i;
+        struct hashtable_t *hash = bat_priv->tt_local_hash;
+        struct hlist_head *head;
+        struct hlist_node *node;
+        struct tt_local_entry *tt_local_entry;
+
+        if (!hash)
+                return;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+
+                rcu_read_lock();
+                hlist_for_each_entry_rcu(tt_local_entry, node,
+                                         head, hash_entry) {
+                        tt_local_entry->flags &= ~flags;
+                        atomic_inc(&bat_priv->num_local_tt);
+                }
+                rcu_read_unlock();
+        }
+
+}
+
+/* Purge out all the tt local entries marked with TT_CLIENT_PENDING */
+static void tt_local_purge_pending_clients(struct bat_priv *bat_priv)
+{
+        struct hashtable_t *hash = bat_priv->tt_local_hash;
+        struct tt_local_entry *tt_local_entry;
+        struct hlist_node *node, *node_tmp;
+        struct hlist_head *head;
+        spinlock_t *list_lock; /* protects write access to the hash lists */
+        int i;
+
+        if (!hash)
+                return;
+
+        for (i = 0; i < hash->size; i++) {
+                head = &hash->table[i];
+                list_lock = &hash->list_locks[i];
+
+                spin_lock_bh(list_lock);
+                hlist_for_each_entry_safe(tt_local_entry, node, node_tmp,
+                                          head, hash_entry) {
+                        if (!(tt_local_entry->flags & TT_CLIENT_PENDING))
+                                continue;
+
+                        bat_dbg(DBG_TT, bat_priv, "Deleting local tt entry "
+                                "(%pM): pending\n", tt_local_entry->addr);
+
+                        atomic_dec(&bat_priv->num_local_tt);
+                        hlist_del_rcu(node);
+                        tt_local_entry_free_ref(tt_local_entry);
+                }
+                spin_unlock_bh(list_lock);
+        }
+
+}
+
+void tt_commit_changes(struct bat_priv *bat_priv)
+{
+        tt_local_reset_flags(bat_priv, TT_CLIENT_NEW);
+        tt_local_purge_pending_clients(bat_priv);
+
+        /* Increment the TTVN only once per OGM interval */
+        atomic_inc(&bat_priv->ttvn);
+        bat_priv->tt_poss_change = false;
+}
diff --git a/net/batman-adv/translation-table.h b/net/batman-adv/translation-table.h
index 46152c38cc95..d4122cba53b8 100644
--- a/net/batman-adv/translation-table.h
+++ b/net/batman-adv/translation-table.h
@@ -22,22 +22,45 @@
 #ifndef _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
 #define _NET_BATMAN_ADV_TRANSLATION_TABLE_H_
 
-int tt_local_init(struct bat_priv *bat_priv);
-void tt_local_add(struct net_device *soft_iface, uint8_t *addr);
+int tt_len(int changes_num);
+int tt_changes_fill_buffer(struct bat_priv *bat_priv,
+                           unsigned char *buff, int buff_len);
+int tt_init(struct bat_priv *bat_priv);
+void tt_local_add(struct net_device *soft_iface, const uint8_t *addr);
 void tt_local_remove(struct bat_priv *bat_priv,
-                      uint8_t *addr, char *message);
-int tt_local_fill_buffer(struct bat_priv *bat_priv,
-                          unsigned char *buff, int buff_len);
+                     const uint8_t *addr, const char *message, bool roaming);
 int tt_local_seq_print_text(struct seq_file *seq, void *offset);
-void tt_local_free(struct bat_priv *bat_priv);
-int tt_global_init(struct bat_priv *bat_priv);
-void tt_global_add_orig(struct bat_priv *bat_priv,
-                         struct orig_node *orig_node,
-                         unsigned char *tt_buff, int tt_buff_len);
+void tt_global_add_orig(struct bat_priv *bat_priv, struct orig_node *orig_node,
+                        const unsigned char *tt_buff, int tt_buff_len);
+int tt_global_add(struct bat_priv *bat_priv,
+                  struct orig_node *orig_node, const unsigned char *addr,
+                  uint8_t ttvn, bool roaming);
 int tt_global_seq_print_text(struct seq_file *seq, void *offset);
 void tt_global_del_orig(struct bat_priv *bat_priv,
-                         struct orig_node *orig_node, char *message);
-void tt_global_free(struct bat_priv *bat_priv);
-struct orig_node *transtable_search(struct bat_priv *bat_priv, uint8_t *addr);
+                        struct orig_node *orig_node, const char *message);
+void tt_global_del(struct bat_priv *bat_priv,
+                   struct orig_node *orig_node, const unsigned char *addr,
+                   const char *message, bool roaming);
+struct orig_node *transtable_search(struct bat_priv *bat_priv,
+                                    const uint8_t *addr);
+void tt_save_orig_buffer(struct bat_priv *bat_priv, struct orig_node *orig_node,
+                         const unsigned char *tt_buff, uint8_t tt_num_changes);
+uint16_t tt_local_crc(struct bat_priv *bat_priv);
+uint16_t tt_global_crc(struct bat_priv *bat_priv, struct orig_node *orig_node);
+void tt_free(struct bat_priv *bat_priv);
+int send_tt_request(struct bat_priv *bat_priv,
+                    struct orig_node *dst_orig_node, uint8_t hvn,
+                    uint16_t tt_crc, bool full_table);
+bool send_tt_response(struct bat_priv *bat_priv,
+                      struct tt_query_packet *tt_request);
+void tt_update_changes(struct bat_priv *bat_priv, struct orig_node *orig_node,
+                       uint16_t tt_num_changes, uint8_t ttvn,
+                       struct tt_change *tt_change);
+bool is_my_client(struct bat_priv *bat_priv, const uint8_t *addr);
+void handle_tt_response(struct bat_priv *bat_priv,
+                        struct tt_query_packet *tt_response);
+void send_roam_adv(struct bat_priv *bat_priv, uint8_t *client,
+                   struct orig_node *orig_node);
+void tt_commit_changes(struct bat_priv *bat_priv);
 
 #endif /* _NET_BATMAN_ADV_TRANSLATION_TABLE_H_ */
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index fab70e8b16ee..25bd1db35370 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -75,8 +75,18 @@ struct orig_node {
         unsigned long batman_seqno_reset;
         uint8_t gw_flags;
         uint8_t flags;
+        atomic_t last_ttvn; /* last seen translation table version number */
+        uint16_t tt_crc;
         unsigned char *tt_buff;
         int16_t tt_buff_len;
+        spinlock_t tt_buff_lock; /* protects tt_buff */
+        atomic_t tt_size;
+        /* The tt_poss_change flag is used to detect an ongoing roaming phase.
+         * If true, then I sent a Roaming_adv to this orig_node and I have to
+         * inspect every packet directed to it to check whether it is still
+         * the true destination or not. This flag will be reset to false as
+         * soon as I receive a new TTVN from this orig_node */
+        bool tt_poss_change;
         uint32_t last_real_seqno;
         uint8_t last_ttl;
         unsigned long bcast_bits[NUM_WORDS];
@@ -94,6 +104,7 @@ struct orig_node {
         spinlock_t ogm_cnt_lock;
         /* bcast_seqno_lock protects bcast_bits, last_bcast_seqno */
         spinlock_t bcast_seqno_lock;
+        spinlock_t tt_list_lock; /* protects tt_list */
         atomic_t bond_candidates;
         struct list_head bond_list;
 };
@@ -145,6 +156,15 @@ struct bat_priv {
         atomic_t bcast_seqno;
         atomic_t bcast_queue_left;
         atomic_t batman_queue_left;
+        atomic_t ttvn; /* tranlation table version number */
+        atomic_t tt_ogm_append_cnt;
+        atomic_t tt_local_changes; /* changes registered in a OGM interval */
+        /* The tt_poss_change flag is used to detect an ongoing roaming phase.
+         * If true, then I received a Roaming_adv and I have to inspect every
+         * packet directed to me to check whether I am still the true
+         * destination or not. This flag will be reset to false as soon as I
+         * increase my TTVN */
+        bool tt_poss_change;
         char num_ifaces;
         struct debug_log *debug_log;
         struct kobject *mesh_obj;
@@ -153,26 +173,35 @@ struct bat_priv {
         struct hlist_head forw_bcast_list;
         struct hlist_head gw_list;
         struct hlist_head softif_neigh_vids;
+        struct list_head tt_changes_list; /* tracks changes in a OGM int */
         struct list_head vis_send_list;
         struct hashtable_t *orig_hash;
         struct hashtable_t *tt_local_hash;
         struct hashtable_t *tt_global_hash;
+        struct list_head tt_req_list; /* list of pending tt_requests */
+        struct list_head tt_roam_list;
         struct hashtable_t *vis_hash;
         spinlock_t forw_bat_list_lock; /* protects forw_bat_list */
         spinlock_t forw_bcast_list_lock; /* protects  */
-        spinlock_t tt_lhash_lock; /* protects tt_local_hash */
-        spinlock_t tt_ghash_lock; /* protects tt_global_hash */
+        spinlock_t tt_changes_list_lock; /* protects tt_changes */
+        spinlock_t tt_req_list_lock; /* protects tt_req_list */
+        spinlock_t tt_roam_list_lock; /* protects tt_roam_list */
         spinlock_t gw_list_lock; /* protects gw_list and curr_gw */
         spinlock_t vis_hash_lock; /* protects vis_hash */
         spinlock_t vis_list_lock; /* protects vis_info::recv_list */
         spinlock_t softif_neigh_lock; /* protects soft-interface neigh list */
         spinlock_t softif_neigh_vid_lock; /* protects soft-interface vid list */
-        int16_t num_local_tt;
-        atomic_t tt_local_changed;
+        atomic_t num_local_tt;
+        /* Checksum of the local table, recomputed before sending a new OGM */
+        atomic_t tt_crc;
+        unsigned char *tt_buff;
+        int16_t tt_buff_len;
+        spinlock_t tt_buff_lock; /* protects tt_buff */
         struct delayed_work tt_work;
         struct delayed_work orig_work;
         struct delayed_work vis_work;
         struct gw_node __rcu *curr_gw;  /* rcu protected pointer */
+        atomic_t gw_reselect;
         struct hard_iface __rcu *primary_if;  /* rcu protected pointer */
         struct vis_info *my_vis_info;
 };
@@ -195,14 +224,39 @@ struct socket_packet {
 struct tt_local_entry {
         uint8_t addr[ETH_ALEN];
         unsigned long last_seen;
-        char never_purge;
+        uint16_t flags;
+        atomic_t refcount;
+        struct rcu_head rcu;
         struct hlist_node hash_entry;
 };
 
 struct tt_global_entry {
         uint8_t addr[ETH_ALEN];
         struct orig_node *orig_node;
-        struct hlist_node hash_entry;
+        uint8_t ttvn;
+        uint16_t flags; /* only TT_GLOBAL_ROAM is used */
+        unsigned long roam_at; /* time at which TT_GLOBAL_ROAM was set */
+        atomic_t refcount;
+        struct rcu_head rcu;
+        struct hlist_node hash_entry; /* entry in the global table */
+};
+
+struct tt_change_node {
+        struct list_head list;
+        struct tt_change change;
+};
+
+struct tt_req_node {
+        uint8_t addr[ETH_ALEN];
+        unsigned long issued_at;
+        struct list_head list;
+};
+
+struct tt_roam_node {
+        uint8_t addr[ETH_ALEN];
+        atomic_t counter;
+        unsigned long first_time;
+        struct list_head list;
 };
 
 /**
@@ -246,10 +300,10 @@ struct frag_packet_list_entry {
 };
 
 struct vis_info {
-        unsigned long       first_seen;
-        struct list_head    recv_list;
-                            /* list of server-neighbors we received a vis-packet
-                             * from.  we should not reply to them. */
+        unsigned long first_seen;
+        /* list of server-neighbors we received a vis-packet
+         * from.  we should not reply to them. */
+        struct list_head recv_list;
         struct list_head send_list;
         struct kref refcount;
         struct hlist_node hash_entry;
diff --git a/net/batman-adv/unicast.c b/net/batman-adv/unicast.c
index 19c3daf34ac6..32b125fb3d3b 100644
--- a/net/batman-adv/unicast.c
+++ b/net/batman-adv/unicast.c
@@ -39,8 +39,8 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
                 (struct unicast_frag_packet *)skb->data;
         struct sk_buff *tmp_skb;
         struct unicast_packet *unicast_packet;
-        int hdr_len = sizeof(struct unicast_packet);
-        int uni_diff = sizeof(struct unicast_frag_packet) - hdr_len;
+        int hdr_len = sizeof(*unicast_packet);
+        int uni_diff = sizeof(*up) - hdr_len;
 
         /* set skb to the first part and tmp_skb to the second part */
         if (up->flags & UNI_FRAG_HEAD) {
@@ -53,7 +53,7 @@ static struct sk_buff *frag_merge_packet(struct list_head *head,
         if (skb_linearize(skb) < 0 || skb_linearize(tmp_skb) < 0)
                 goto err;
 
-        skb_pull(tmp_skb, sizeof(struct unicast_frag_packet));
+        skb_pull(tmp_skb, sizeof(*up));
         if (pskb_expand_head(skb, 0, tmp_skb->len, GFP_ATOMIC) < 0)
                 goto err;
 
@@ -99,8 +99,7 @@ static int frag_create_buffer(struct list_head *head)
         struct frag_packet_list_entry *tfp;
 
         for (i = 0; i < FRAG_BUFFER_SIZE; i++) {
-                tfp = kmalloc(sizeof(struct frag_packet_list_entry),
-                        GFP_ATOMIC);
+                tfp = kmalloc(sizeof(*tfp), GFP_ATOMIC);
                 if (!tfp) {
                         frag_list_free(head);
                         return -ENOMEM;
@@ -115,7 +114,7 @@ static int frag_create_buffer(struct list_head *head)
 }
 
 static struct frag_packet_list_entry *frag_search_packet(struct list_head *head,
-                                                 struct unicast_frag_packet *up)
+                                           const struct unicast_frag_packet *up)
 {
         struct frag_packet_list_entry *tfp;
         struct unicast_frag_packet *tmp_up = NULL;
@@ -218,14 +217,14 @@ out:
 }
 
 int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
-                  struct hard_iface *hard_iface, uint8_t dstaddr[])
+                  struct hard_iface *hard_iface, const uint8_t dstaddr[])
 {
         struct unicast_packet tmp_uc, *unicast_packet;
         struct hard_iface *primary_if;
         struct sk_buff *frag_skb;
         struct unicast_frag_packet *frag1, *frag2;
-        int uc_hdr_len = sizeof(struct unicast_packet);
-        int ucf_hdr_len = sizeof(struct unicast_frag_packet);
+        int uc_hdr_len = sizeof(*unicast_packet);
+        int ucf_hdr_len = sizeof(*frag1);
         int data_len = skb->len - uc_hdr_len;
         int large_tail = 0, ret = NET_RX_DROP;
         uint16_t seqno;
@@ -250,14 +249,14 @@ int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
         frag1 = (struct unicast_frag_packet *)skb->data;
         frag2 = (struct unicast_frag_packet *)frag_skb->data;
 
-        memcpy(frag1, &tmp_uc, sizeof(struct unicast_packet));
+        memcpy(frag1, &tmp_uc, sizeof(tmp_uc));
 
         frag1->ttl--;
         frag1->version = COMPAT_VERSION;
         frag1->packet_type = BAT_UNICAST_FRAG;
 
         memcpy(frag1->orig, primary_if->net_dev->dev_addr, ETH_ALEN);
-        memcpy(frag2, frag1, sizeof(struct unicast_frag_packet));
+        memcpy(frag2, frag1, sizeof(*frag2));
 
         if (data_len & 1)
                 large_tail = UNI_FRAG_LARGETAIL;
@@ -295,7 +294,7 @@ int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv)
 
         /* get routing information */
         if (is_multicast_ether_addr(ethhdr->h_dest)) {
-                orig_node = (struct orig_node *)gw_get_selected_orig(bat_priv);
+                orig_node = gw_get_selected_orig(bat_priv);
                 if (orig_node)
                         goto find_router;
         }
@@ -314,10 +313,7 @@ find_router:
         if (!neigh_node)
                 goto out;
 
-        if (neigh_node->if_incoming->if_status != IF_ACTIVE)
-                goto out;
-
-        if (my_skb_head_push(skb, sizeof(struct unicast_packet)) < 0)
+        if (my_skb_head_push(skb, sizeof(*unicast_packet)) < 0)
                 goto out;
 
         unicast_packet = (struct unicast_packet *)skb->data;
@@ -329,9 +325,12 @@ find_router:
         unicast_packet->ttl = TTL;
         /* copy the destination for faster routing */
         memcpy(unicast_packet->dest, orig_node->orig, ETH_ALEN);
+        /* set the destination tt version number */
+        unicast_packet->ttvn =
+                (uint8_t)atomic_read(&orig_node->last_ttvn);
 
         if (atomic_read(&bat_priv->fragmentation) &&
-            data_len + sizeof(struct unicast_packet) >
+            data_len + sizeof(*unicast_packet) >
                                 neigh_node->if_incoming->net_dev->mtu) {
                 /* send frag skb decreases ttl */
                 unicast_packet->ttl++;
diff --git a/net/batman-adv/unicast.h b/net/batman-adv/unicast.h
index 16ad7a9242b5..62f54b954625 100644
--- a/net/batman-adv/unicast.h
+++ b/net/batman-adv/unicast.h
@@ -32,11 +32,11 @@ int frag_reassemble_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
 void frag_list_free(struct list_head *head);
 int unicast_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv);
 int frag_send_skb(struct sk_buff *skb, struct bat_priv *bat_priv,
-                  struct hard_iface *hard_iface, uint8_t dstaddr[]);
+                  struct hard_iface *hard_iface, const uint8_t dstaddr[]);
 
-static inline int frag_can_reassemble(struct sk_buff *skb, int mtu)
+static inline int frag_can_reassemble(const struct sk_buff *skb, int mtu)
 {
-        struct unicast_frag_packet *unicast_packet;
+        const struct unicast_frag_packet *unicast_packet;
         int uneven_correction = 0;
         unsigned int merged_size;
 
@@ -49,7 +49,7 @@ static inline int frag_can_reassemble(struct sk_buff *skb, int mtu)
                         uneven_correction = -1;
         }
 
-        merged_size = (skb->len - sizeof(struct unicast_frag_packet)) * 2;
+        merged_size = (skb->len - sizeof(*unicast_packet)) * 2;
         merged_size += sizeof(struct unicast_packet) + uneven_correction;
 
         return merged_size <= mtu;
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c
index c39f20cc1ba6..8a1b98589d76 100644
--- a/net/batman-adv/vis.c
+++ b/net/batman-adv/vis.c
@@ -30,22 +30,6 @@
 
 #define MAX_VIS_PACKET_SIZE 1000
 
-/* Returns the smallest signed integer in two's complement with the sizeof x */
-#define smallest_signed_int(x) (1u << (7u + 8u * (sizeof(x) - 1u)))
-
-/* Checks if a sequence number x is a predecessor/successor of y.
- * they handle overflows/underflows and can correctly check for a
- * predecessor/successor unless the variable sequence number has grown by
- * more then 2**(bitwidth(x)-1)-1.
- * This means that for a uint8_t with the maximum value 255, it would think:
- *  - when adding nothing - it is neither a predecessor nor a successor
- *  - before adding more than 127 to the starting value - it is a predecessor,
- *  - when adding 128 - it is neither a predecessor nor a successor,
- *  - after adding more than 127 to the starting value - it is a successor */
-#define seq_before(x, y) ({typeof(x) _dummy = (x - y); \
-                        _dummy > smallest_signed_int(_dummy); })
-#define seq_after(x, y) seq_before(y, x)
-
 static void start_vis_timer(struct bat_priv *bat_priv);
 
 /* free the info */
@@ -68,10 +52,10 @@ static void free_info(struct kref *ref)
 }
 
 /* Compare two vis packets, used by the hashing algorithm */
-static int vis_info_cmp(struct hlist_node *node, void *data2)
+static int vis_info_cmp(const struct hlist_node *node, const void *data2)
 {
-        struct vis_info *d1, *d2;
-        struct vis_packet *p1, *p2;
+        const struct vis_info *d1, *d2;
+        const struct vis_packet *p1, *p2;
 
         d1 = container_of(node, struct vis_info, hash_entry);
         d2 = data2;
@@ -82,11 +66,11 @@ static int vis_info_cmp(struct hlist_node *node, void *data2)
 
 /* hash function to choose an entry in a hash table of given size */
 /* hash algorithm from http://en.wikipedia.org/wiki/Hash_table */
-static int vis_info_choose(void *data, int size)
+static int vis_info_choose(const void *data, int size)
 {
-        struct vis_info *vis_info = data;
-        struct vis_packet *packet;
-        unsigned char *key;
+        const struct vis_info *vis_info = data;
+        const struct vis_packet *packet;
+        const unsigned char *key;
         uint32_t hash = 0;
         size_t i;
 
@@ -106,7 +90,7 @@ static int vis_info_choose(void *data, int size)
 }
 
 static struct vis_info *vis_hash_find(struct bat_priv *bat_priv,
-                                      void *data)
+                                      const void *data)
 {
         struct hashtable_t *hash = bat_priv->vis_hash;
         struct hlist_head *head;
@@ -143,7 +127,7 @@ static void vis_data_insert_interface(const uint8_t *interface,
         struct hlist_node *pos;
 
         hlist_for_each_entry(entry, pos, if_list, list) {
-                if (compare_eth(entry->addr, (void *)interface))
+                if (compare_eth(entry->addr, interface))
                         return;
         }
 
@@ -156,7 +140,8 @@ static void vis_data_insert_interface(const uint8_t *interface,
         hlist_add_head(&entry->list, if_list);
 }
 
-static ssize_t vis_data_read_prim_sec(char *buff, struct hlist_head *if_list)
+static ssize_t vis_data_read_prim_sec(char *buff,
+                                      const struct hlist_head *if_list)
 {
         struct if_list_entry *entry;
         struct hlist_node *pos;
@@ -189,8 +174,9 @@ static size_t vis_data_count_prim_sec(struct hlist_head *if_list)
 }
 
 /* read an entry  */
-static ssize_t vis_data_read_entry(char *buff, struct vis_info_entry *entry,
-                                   uint8_t *src, bool primary)
+static ssize_t vis_data_read_entry(char *buff,
+                                   const struct vis_info_entry *entry,
+                                   const uint8_t *src, bool primary)
 {
         /* maximal length: max(4+17+2, 3+17+1+3+2) == 26 */
         if (primary && entry->quality == 0)
@@ -239,7 +225,7 @@ int vis_seq_print_text(struct seq_file *seq, void *offset)
                 hlist_for_each_entry_rcu(info, node, head, hash_entry) {
                         packet = (struct vis_packet *)info->skb_packet->data;
                         entries = (struct vis_info_entry *)
-                                ((char *)packet + sizeof(struct vis_packet));
+                                ((char *)packet + sizeof(*packet));
 
                         for (j = 0; j < packet->entries; j++) {
                                 if (entries[j].quality == 0)
@@ -287,7 +273,7 @@ int vis_seq_print_text(struct seq_file *seq, void *offset)
                 hlist_for_each_entry_rcu(info, node, head, hash_entry) {
                         packet = (struct vis_packet *)info->skb_packet->data;
                         entries = (struct vis_info_entry *)
-                                ((char *)packet + sizeof(struct vis_packet));
+                                ((char *)packet + sizeof(*packet));
 
                         for (j = 0; j < packet->entries; j++) {
                                 if (entries[j].quality == 0)
@@ -361,11 +347,11 @@ static void send_list_del(struct vis_info *info)
 
 /* tries to add one entry to the receive list. */
 static void recv_list_add(struct bat_priv *bat_priv,
-                          struct list_head *recv_list, char *mac)
+                          struct list_head *recv_list, const char *mac)
 {
         struct recvlist_node *entry;
 
-        entry = kmalloc(sizeof(struct recvlist_node), GFP_ATOMIC);
+        entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
         if (!entry)
                 return;
 
@@ -377,9 +363,9 @@ static void recv_list_add(struct bat_priv *bat_priv,
 
 /* returns 1 if this mac is in the recv_list */
 static int recv_list_is_in(struct bat_priv *bat_priv,
-                           struct list_head *recv_list, char *mac)
+                           const struct list_head *recv_list, const char *mac)
 {
-        struct recvlist_node *entry;
+        const struct recvlist_node *entry;
 
         spin_lock_bh(&bat_priv->vis_list_lock);
         list_for_each_entry(entry, recv_list, list) {
@@ -412,11 +398,11 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
                 return NULL;
 
         /* see if the packet is already in vis_hash */
-        search_elem.skb_packet = dev_alloc_skb(sizeof(struct vis_packet));
+        search_elem.skb_packet = dev_alloc_skb(sizeof(*search_packet));
         if (!search_elem.skb_packet)
                 return NULL;
         search_packet = (struct vis_packet *)skb_put(search_elem.skb_packet,
-                                                     sizeof(struct vis_packet));
+                                                     sizeof(*search_packet));
 
         memcpy(search_packet->vis_orig, vis_packet->vis_orig, ETH_ALEN);
         old_info = vis_hash_find(bat_priv, &search_elem);
@@ -442,27 +428,26 @@ static struct vis_info *add_packet(struct bat_priv *bat_priv,
                 kref_put(&old_info->refcount, free_info);
         }
 
-        info = kmalloc(sizeof(struct vis_info), GFP_ATOMIC);
+        info = kmalloc(sizeof(*info), GFP_ATOMIC);
         if (!info)
                 return NULL;
 
-        info->skb_packet = dev_alloc_skb(sizeof(struct vis_packet) +
-                                         vis_info_len + sizeof(struct ethhdr));
+        info->skb_packet = dev_alloc_skb(sizeof(*packet) + vis_info_len +
+                                         sizeof(struct ethhdr));
         if (!info->skb_packet) {
                 kfree(info);
                 return NULL;
         }
         skb_reserve(info->skb_packet, sizeof(struct ethhdr));
-        packet = (struct vis_packet *)skb_put(info->skb_packet,
-                                              sizeof(struct vis_packet) +
-                                              vis_info_len);
+        packet = (struct vis_packet *)skb_put(info->skb_packet, sizeof(*packet)
+                                              + vis_info_len);
 
         kref_init(&info->refcount);
         INIT_LIST_HEAD(&info->send_list);
         INIT_LIST_HEAD(&info->recv_list);
         info->first_seen = jiffies;
         info->bat_priv = bat_priv;
-        memcpy(packet, vis_packet, sizeof(struct vis_packet) + vis_info_len);
+        memcpy(packet, vis_packet, sizeof(*packet) + vis_info_len);
 
         /* initialize and add new packet. */
         *is_new = 1;
@@ -599,9 +584,9 @@ static int find_best_vis_server(struct bat_priv *bat_priv,
 }
 
 /* Return true if the vis packet is full. */
-static bool vis_packet_full(struct vis_info *info)
+static bool vis_packet_full(const struct vis_info *info)
 {
-        struct vis_packet *packet;
+        const struct vis_packet *packet;
         packet = (struct vis_packet *)info->skb_packet->data;
 
         if (MAX_VIS_PACKET_SIZE / sizeof(struct vis_info_entry)
@@ -619,7 +604,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
         struct hlist_head *head;
         struct orig_node *orig_node;
         struct neigh_node *router;
-        struct vis_info *info = (struct vis_info *)bat_priv->my_vis_info;
+        struct vis_info *info = bat_priv->my_vis_info;
         struct vis_packet *packet = (struct vis_packet *)info->skb_packet->data;
         struct vis_info_entry *entry;
         struct tt_local_entry *tt_local_entry;
@@ -632,7 +617,7 @@ static int generate_vis_packet(struct bat_priv *bat_priv)
         packet->ttl = TTL;
         packet->seqno = htonl(ntohl(packet->seqno) + 1);
         packet->entries = 0;
-        skb_trim(info->skb_packet, sizeof(struct vis_packet));
+        skb_trim(info->skb_packet, sizeof(*packet));
 
         if (packet->vis_type == VIS_TYPE_CLIENT_UPDATE) {
                 best_tq = find_best_vis_server(bat_priv, info);
@@ -680,11 +665,12 @@ next:
 
         hash = bat_priv->tt_local_hash;
 
-        spin_lock_bh(&bat_priv->tt_lhash_lock);
         for (i = 0; i < hash->size; i++) {
                 head = &hash->table[i];
 
-                hlist_for_each_entry(tt_local_entry, node, head, hash_entry) {
+                rcu_read_lock();
+                hlist_for_each_entry_rcu(tt_local_entry, node, head,
+                                         hash_entry) {
                         entry = (struct vis_info_entry *)
                                         skb_put(info->skb_packet,
                                                 sizeof(*entry));
@@ -693,14 +679,12 @@ next:
                         entry->quality = 0; /* 0 means TT */
                         packet->entries++;
 
-                        if (vis_packet_full(info)) {
-                                spin_unlock_bh(&bat_priv->tt_lhash_lock);
-                                return 0;
-                        }
+                        if (vis_packet_full(info))
+                                goto unlock;
                 }
+                rcu_read_unlock();
         }
 
-        spin_unlock_bh(&bat_priv->tt_lhash_lock);
         return 0;
 
 unlock:
@@ -908,17 +892,15 @@ int vis_init(struct bat_priv *bat_priv)
                 goto err;
         }
 
-        bat_priv->my_vis_info->skb_packet = dev_alloc_skb(
-                                                sizeof(struct vis_packet) +
-                                                MAX_VIS_PACKET_SIZE +
-                                                sizeof(struct ethhdr));
+        bat_priv->my_vis_info->skb_packet = dev_alloc_skb(sizeof(*packet) +
+                                                          MAX_VIS_PACKET_SIZE +
+                                                         sizeof(struct ethhdr));
         if (!bat_priv->my_vis_info->skb_packet)
                 goto free_info;
 
         skb_reserve(bat_priv->my_vis_info->skb_packet, sizeof(struct ethhdr));
-        packet = (struct vis_packet *)skb_put(
-                                        bat_priv->my_vis_info->skb_packet,
-                                        sizeof(struct vis_packet));
+        packet = (struct vis_packet *)skb_put(bat_priv->my_vis_info->skb_packet,
+                                              sizeof(*packet));
 
         /* prefill the vis info */
         bat_priv->my_vis_info->first_seen = jiffies -
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 908fcd384ab4..ec0bc3f60f2e 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1771,7 +1771,7 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
 
                 data += (count - rem);
                 count = rem;
-        };
+        }
 
         return rem;
 }
@@ -1806,7 +1806,7 @@ int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count)
 
                 data += (count - rem);
                 count = rem;
-        };
+        }
 
         return rem;
 }
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index a6b2f86378c7..32b8f9f7f79e 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -49,7 +49,9 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
         skb_pull(skb, ETH_HLEN);
 
         rcu_read_lock();
-        if (is_multicast_ether_addr(dest)) {
+        if (is_broadcast_ether_addr(dest))
+                br_flood_deliver(br, skb);
+        else if (is_multicast_ether_addr(dest)) {
                 if (unlikely(netpoll_tx_running(dev))) {
                         br_flood_deliver(br, skb);
                         goto out;
@@ -243,6 +245,7 @@ int br_netpoll_enable(struct net_bridge_port *p)
                 goto out;
 
         np->dev = p->dev;
+        strlcpy(np->dev_name, p->dev->name, IFNAMSIZ);
 
         err = __netpoll_setup(np);
         if (err) {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index f3ac1e858ee1..f06ee39c73fd 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -60,7 +60,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
         br = p->br;
         br_fdb_update(br, p, eth_hdr(skb)->h_source);
 
-        if (is_multicast_ether_addr(dest) &&
+        if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) &&
             br_multicast_rcv(br, p, skb))
                 goto drop;
 
@@ -77,7 +77,9 @@ int br_handle_frame_finish(struct sk_buff *skb)
 
         dst = NULL;
 
-        if (is_multicast_ether_addr(dest)) {
+        if (is_broadcast_ether_addr(dest))
+                skb2 = skb;
+        else if (is_multicast_ether_addr(dest)) {
                 mdst = br_mdb_get(br, skb);
                 if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
                         if ((mdst && mdst->mglist) ||
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2f14eafdeeab..2d85ca7111d3 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1379,8 +1379,11 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
         if (unlikely(ip_fast_csum((u8 *)iph, iph->ihl)))
                 return -EINVAL;
 
-        if (iph->protocol != IPPROTO_IGMP)
+        if (iph->protocol != IPPROTO_IGMP) {
+                if ((iph->daddr & IGMP_LOCAL_GROUP_MASK) != IGMP_LOCAL_GROUP)
+                        BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
                 return 0;
+        }
 
         len = ntohs(iph->tot_len);
         if (skb->len < len || len < ip_hdrlen(skb))
@@ -1424,7 +1427,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
         switch (ih->type) {
         case IGMP_HOST_MEMBERSHIP_REPORT:
         case IGMPV2_HOST_MEMBERSHIP_REPORT:
-                BR_INPUT_SKB_CB(skb2)->mrouters_only = 1;
+                BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
                 err = br_ip4_multicast_add_group(br, port, ih->group);
                 break;
         case IGMPV3_HOST_MEMBERSHIP_REPORT:
@@ -1543,7 +1546,7 @@ static int br_multicast_ipv6_rcv(struct net_bridge *br,
                         goto out;
                 }
                 mld = (struct mld_msg *)skb_transport_header(skb2);
-                BR_INPUT_SKB_CB(skb2)->mrouters_only = 1;
+                BR_INPUT_SKB_CB(skb)->mrouters_only = 1;
                 err = br_ip6_multicast_add_group(br, port, &mld->mld_mca);
                 break;
             }
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index 3fa123185e89..75ee421917c7 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -104,10 +104,16 @@ static void fake_update_pmtu(struct dst_entry *dst, u32 mtu)
 {
 }
 
+static u32 *fake_cow_metrics(struct dst_entry *dst, unsigned long old)
+{
+        return NULL;
+}
+
 static struct dst_ops fake_dst_ops = {
         .family =               AF_INET,
         .protocol =             cpu_to_be16(ETH_P_IP),
         .update_pmtu =          fake_update_pmtu,
+        .cow_metrics =          fake_cow_metrics,
 };
 
 /*
@@ -337,14 +343,16 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
 static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb)
 {
         struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+        struct neighbour *neigh;
         struct dst_entry *dst;
 
         skb->dev = bridge_parent(skb->dev);
         if (!skb->dev)
                 goto free_skb;
         dst = skb_dst(skb);
-        if (dst->hh) {
-                neigh_hh_bridge(dst->hh, skb);
+        neigh = dst->neighbour;
+        if (neigh->hh.hh_len) {
+                neigh_hh_bridge(&neigh->hh, skb);
                 skb->dev = nf_bridge->physindev;
                 return br_handle_frame_finish(skb);
         } else if (dst->neighbour) {
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index ffb0dc4cc0e8..6814083a92f4 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c
@@ -218,19 +218,24 @@ int __init br_netlink_init(void)
         if (err < 0)
                 goto err1;
 
-        err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL, br_dump_ifinfo);
+        err = __rtnl_register(PF_BRIDGE, RTM_GETLINK, NULL,
+                              br_dump_ifinfo, NULL);
         if (err)
                 goto err2;
-        err = __rtnl_register(PF_BRIDGE, RTM_SETLINK, br_rtm_setlink, NULL);
+        err = __rtnl_register(PF_BRIDGE, RTM_SETLINK,
+                              br_rtm_setlink, NULL, NULL);
         if (err)
                 goto err3;
-        err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH, br_fdb_add, NULL);
+        err = __rtnl_register(PF_BRIDGE, RTM_NEWNEIGH,
+                              br_fdb_add, NULL, NULL);
         if (err)
                 goto err3;
-        err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH, br_fdb_delete, NULL);
+        err = __rtnl_register(PF_BRIDGE, RTM_DELNEIGH,
+                              br_fdb_delete, NULL, NULL);
         if (err)
                 goto err3;
-        err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH, NULL, br_fdb_dump);
+        err = __rtnl_register(PF_BRIDGE, RTM_GETNEIGH,
+                              NULL, br_fdb_dump, NULL);
         if (err)
                 goto err3;
 
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c
index 682c0fedf360..7c2fa0a08148 100644
--- a/net/caif/caif_dev.c
+++ b/net/caif/caif_dev.c
@@ -11,7 +11,6 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__
 
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/if_arp.h>
 #include <linux/net.h>
diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c
index 3a66b8c10e09..c23979e79dfa 100644
--- a/net/caif/cfmuxl.c
+++ b/net/caif/cfmuxl.c
@@ -255,7 +255,7 @@ static void cfmuxl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
 
                 if (cfsrvl_phyid_match(layer, phyid) && layer->ctrlcmd) {
 
-                        if ((ctrl == _CAIF_CTRLCMD_PHYIF_FLOW_OFF_IND ||
+                        if ((ctrl == _CAIF_CTRLCMD_PHYIF_DOWN_IND ||
                                 ctrl == CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND) &&
                                         layer->id != 0) {
 
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index 649ebacaf6bc..865690948bbc 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -7,8 +7,8 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ":%s(): " fmt, __func__
 
-#include <linux/version.h>
 #include <linux/fs.h>
+#include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
@@ -139,17 +139,14 @@ static void close_work(struct work_struct *work)
         struct chnl_net *dev = NULL;
         struct list_head *list_node;
         struct list_head *_tmp;
-        /* May be called with or without RTNL lock held */
-        int islocked = rtnl_is_locked();
-        if (!islocked)
-                rtnl_lock();
+
+        rtnl_lock();
         list_for_each_safe(list_node, _tmp, &chnl_net_list) {
                 dev = list_entry(list_node, struct chnl_net, list_field);
                 if (dev->state == CAIF_SHUTDOWN)
                         dev_close(dev->netdev);
         }
-        if (!islocked)
-                rtnl_unlock();
+        rtnl_unlock();
 }
 static DECLARE_WORK(close_worker, close_work);
 
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 094fc5332d42..8ce926d3b2cb 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -58,6 +58,7 @@
 #include <linux/skbuff.h>
 #include <linux/can.h>
 #include <linux/can/core.h>
+#include <linux/ratelimit.h>
 #include <net/net_namespace.h>
 #include <net/sock.h>
 
@@ -161,8 +162,8 @@ static int can_create(struct net *net, struct socket *sock, int protocol,
                  * return the error code immediately.  Below we will
                  * return -EPROTONOSUPPORT
                  */
-                if (err && printk_ratelimit())
-                        printk(KERN_ERR "can: request_module "
+                if (err)
+                        printk_ratelimited(KERN_ERR "can: request_module "
                                "(can-proto-%d) failed.\n", protocol);
 
                 cp = can_get_proto(protocol);
diff --git a/net/can/bcm.c b/net/can/bcm.c
index 184a6572b67e..d6c8ae5b2e6a 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -43,6 +43,7 @@
 
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/hrtimer.h>
 #include <linux/list.h>
 #include <linux/proc_fs.h>
diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c
index 5a8009c9e0cd..85f3bc0a7062 100644
--- a/net/ceph/crypto.c
+++ b/net/ceph/crypto.c
@@ -444,7 +444,7 @@ int ceph_key_instantiate(struct key *key, const void *data, size_t datalen)
                 goto err;
 
         /* TODO ceph_crypto_key_decode should really take const input */
-        p = (void*)data;
+        p = (void *)data;
         ret = ceph_crypto_key_decode(ckey, &p, (char*)data+datalen);
         if (ret < 0)
                 goto err_ckey;
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index e15a82ccc05f..78b55f49de7c 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -76,7 +76,8 @@ const char *ceph_pr_addr(const struct sockaddr_storage *ss)
                 break;
 
         default:
-                sprintf(s, "(unknown sockaddr family %d)", (int)ss->ss_family);
+                snprintf(s, MAX_ADDR_STR_LEN, "(unknown sockaddr family %d)",
+                         (int)ss->ss_family);
         }
 
         return s;
@@ -598,7 +599,7 @@ static void prepare_write_keepalive(struct ceph_connection *con)
  * Connection negotiation.
  */
 
-static void prepare_connect_authorizer(struct ceph_connection *con)
+static int prepare_connect_authorizer(struct ceph_connection *con)
 {
         void *auth_buf;
         int auth_len = 0;
@@ -612,13 +613,20 @@ static void prepare_connect_authorizer(struct ceph_connection *con)
                                          con->auth_retry);
         mutex_lock(&con->mutex);
 
+        if (test_bit(CLOSED, &con->state) ||
+            test_bit(OPENING, &con->state))
+                return -EAGAIN;
+
         con->out_connect.authorizer_protocol = cpu_to_le32(auth_protocol);
         con->out_connect.authorizer_len = cpu_to_le32(auth_len);
 
-        con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
-        con->out_kvec[con->out_kvec_left].iov_len = auth_len;
-        con->out_kvec_left++;
-        con->out_kvec_bytes += auth_len;
+        if (auth_len) {
+                con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
+                con->out_kvec[con->out_kvec_left].iov_len = auth_len;
+                con->out_kvec_left++;
+                con->out_kvec_bytes += auth_len;
+        }
+        return 0;
 }
 
 /*
@@ -640,9 +648,9 @@ static void prepare_write_banner(struct ceph_messenger *msgr,
         set_bit(WRITE_PENDING, &con->state);
 }
 
-static void prepare_write_connect(struct ceph_messenger *msgr,
-                                  struct ceph_connection *con,
-                                  int after_banner)
+static int prepare_write_connect(struct ceph_messenger *msgr,
+                                 struct ceph_connection *con,
+                                 int after_banner)
 {
         unsigned global_seq = get_global_seq(con->msgr, 0);
         int proto;
@@ -683,7 +691,7 @@ static void prepare_write_connect(struct ceph_messenger *msgr,
         con->out_more = 0;
         set_bit(WRITE_PENDING, &con->state);
 
-        prepare_connect_authorizer(con);
+        return prepare_connect_authorizer(con);
 }
 
 
@@ -1065,8 +1073,10 @@ static void addr_set_port(struct sockaddr_storage *ss, int p)
         switch (ss->ss_family) {
         case AF_INET:
                 ((struct sockaddr_in *)ss)->sin_port = htons(p);
+                break;
         case AF_INET6:
                 ((struct sockaddr_in6 *)ss)->sin6_port = htons(p);
+                break;
         }
 }
 
@@ -1216,6 +1226,7 @@ static int process_connect(struct ceph_connection *con)
         u64 sup_feat = con->msgr->supported_features;
         u64 req_feat = con->msgr->required_features;
         u64 server_feat = le64_to_cpu(con->in_reply.features);
+        int ret;
 
         dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
 
@@ -1250,7 +1261,9 @@ static int process_connect(struct ceph_connection *con)
                         return -1;
                 }
                 con->auth_retry = 1;
-                prepare_write_connect(con->msgr, con, 0);
+                ret = prepare_write_connect(con->msgr, con, 0);
+                if (ret < 0)
+                        return ret;
                 prepare_read_connect(con);
                 break;
 
@@ -1277,6 +1290,9 @@ static int process_connect(struct ceph_connection *con)
                 if (con->ops->peer_reset)
                         con->ops->peer_reset(con);
                 mutex_lock(&con->mutex);
+                if (test_bit(CLOSED, &con->state) ||
+                    test_bit(OPENING, &con->state))
+                        return -EAGAIN;
                 break;
 
         case CEPH_MSGR_TAG_RETRY_SESSION:
@@ -1341,7 +1357,9 @@ static int process_connect(struct ceph_connection *con)
                  * to WAIT.  This shouldn't happen if we are the
                  * client.
                  */
-                pr_err("process_connect peer connecting WAIT\n");
+                pr_err("process_connect got WAIT as client\n");
+                con->error_msg = "protocol error, got WAIT as client";
+                return -1;
 
         default:
                 pr_err("connect protocol error, will retry\n");
@@ -1810,6 +1828,17 @@ static int try_read(struct ceph_connection *con)
 more:
         dout("try_read tag %d in_base_pos %d\n", (int)con->in_tag,
              con->in_base_pos);
+
+        /*
+         * process_connect and process_message drop and re-take
+         * con->mutex.  make sure we handle a racing close or reopen.
+         */
+        if (test_bit(CLOSED, &con->state) ||
+            test_bit(OPENING, &con->state)) {
+                ret = -EAGAIN;
+                goto out;
+        }
+
         if (test_bit(CONNECTING, &con->state)) {
                 if (!test_bit(NEGOTIATING, &con->state)) {
                         dout("try_read connecting\n");
@@ -1938,8 +1967,10 @@ static void con_work(struct work_struct *work)
 {
         struct ceph_connection *con = container_of(work, struct ceph_connection,
                                                    work.work);
+        int ret;
 
         mutex_lock(&con->mutex);
+restart:
         if (test_and_clear_bit(BACKOFF, &con->state)) {
                 dout("con_work %p backing off\n", con);
                 if (queue_delayed_work(ceph_msgr_wq, &con->work,
@@ -1969,18 +2000,31 @@ static void con_work(struct work_struct *work)
                 con_close_socket(con);
         }
 
-        if (test_and_clear_bit(SOCK_CLOSED, &con->state) ||
-            try_read(con) < 0 ||
-            try_write(con) < 0) {
-                mutex_unlock(&con->mutex);
-                ceph_fault(con);     /* error/fault path */
-                goto done_unlocked;
-        }
+        if (test_and_clear_bit(SOCK_CLOSED, &con->state))
+                goto fault;
+
+        ret = try_read(con);
+        if (ret == -EAGAIN)
+                goto restart;
+        if (ret < 0)
+                goto fault;
+
+        ret = try_write(con);
+        if (ret == -EAGAIN)
+                goto restart;
+        if (ret < 0)
+                goto fault;
 
 done:
         mutex_unlock(&con->mutex);
 done_unlocked:
         con->ops->put(con);
+        return;
+
+fault:
+        mutex_unlock(&con->mutex);
+        ceph_fault(con);     /* error/fault path */
+        goto done_unlocked;
 }
 
 
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 6b5dda1cb5df..7330c2757c0c 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -124,7 +124,7 @@ static void calc_layout(struct ceph_osd_client *osdc,
         ceph_calc_raw_layout(osdc, layout, vino.snap, off,
                              plen, &bno, req, op);
 
-        sprintf(req->r_oid, "%llx.%08llx", vino.ino, bno);
+        snprintf(req->r_oid, sizeof(req->r_oid), "%llx.%08llx", vino.ino, bno);
         req->r_oid_len = strlen(req->r_oid);
 }
 
@@ -477,8 +477,9 @@ struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
         calc_layout(osdc, vino, layout, off, plen, req, ops);
         req->r_file_layout = *layout;  /* keep a copy */
 
-        /* in case it differs from natural alignment that calc_layout
-           filled in for us */
+        /* in case it differs from natural (file) alignment that
+           calc_layout filled in for us */
+        req->r_num_pages = calc_pages_for(page_align, *plen);
         req->r_page_alignment = page_align;
 
         ceph_osdc_build_request(req, off, plen, ops,
@@ -1144,6 +1145,13 @@ static void handle_osds_timeout(struct work_struct *work)
                               round_jiffies_relative(delay));
 }
 
+static void complete_request(struct ceph_osd_request *req)
+{
+        if (req->r_safe_callback)
+                req->r_safe_callback(req, NULL);
+        complete_all(&req->r_safe_completion);  /* fsync waiter */
+}
+
 /*
  * handle osd op reply.  either call the callback if it is specified,
  * or do the completion to wake up the waiting thread.
@@ -1226,11 +1234,8 @@ static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
         else
                 complete_all(&req->r_completion);
 
-        if (flags & CEPH_OSD_FLAG_ONDISK) {
-                if (req->r_safe_callback)
-                        req->r_safe_callback(req, msg);
-                complete_all(&req->r_safe_completion);  /* fsync waiter */
-        }
+        if (flags & CEPH_OSD_FLAG_ONDISK)
+                complete_request(req);
 
 done:
         dout("req=%p req->r_linger=%d\n", req, req->r_linger);
@@ -1421,6 +1426,15 @@ void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
 done:
         downgrade_write(&osdc->map_sem);
         ceph_monc_got_osdmap(&osdc->client->monc, osdc->osdmap->epoch);
+
+        /*
+         * subscribe to subsequent osdmap updates if full to ensure
+         * we find out when we are no longer full and stop returning
+         * ENOSPC.
+         */
+        if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL))
+                ceph_monc_request_next_osdmap(&osdc->client->monc);
+
         send_queued(osdc);
         up_read(&osdc->map_sem);
         wake_up_all(&osdc->client->auth_wq);
@@ -1677,8 +1691,14 @@ int ceph_osdc_start_request(struct ceph_osd_client *osdc,
          */
         if (req->r_sent == 0) {
                 rc = __map_request(osdc, req);
-                if (rc < 0)
+                if (rc < 0) {
+                        if (nofail) {
+                                dout("osdc_start_request failed map, "
+                                     " will retry %lld\n", req->r_tid);
+                                rc = 0;
+                        }
                         goto out_unlock;
+                }
                 if (req->r_osd == NULL) {
                         dout("send_request %p no up osds in pg\n", req);
                         ceph_monc_request_next_osdmap(&osdc->client->monc);
@@ -1717,6 +1737,7 @@ int ceph_osdc_wait_request(struct ceph_osd_client *osdc,
                 __cancel_request(req);
                 __unregister_request(osdc, req);
                 mutex_unlock(&osdc->request_mutex);
+                complete_request(req);
                 dout("wait_request tid %llu canceled/timed out\n", req->r_tid);
                 return rc;
         }
@@ -2007,8 +2028,9 @@ static struct ceph_msg *get_reply(struct ceph_connection *con,
                 int want = calc_pages_for(req->r_page_alignment, data_len);
 
                 if (unlikely(req->r_num_pages < want)) {
-                        pr_warning("tid %lld reply %d > expected %d pages\n",
-                                   tid, want, m->nr_pages);
+                        pr_warning("tid %lld reply has %d bytes %d pages, we"
+                                   " had only %d pages ready\n", tid, data_len,
+                                   want, req->r_num_pages);
                         *skip = 1;
                         ceph_msg_put(m);
                         m = NULL;
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 71603ac3dff5..e97c3588c3ec 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -765,7 +765,7 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
         }
 
         map->epoch++;
-        map->modified = map->modified;
+        map->modified = modified;
         if (newcrush) {
                 if (map->crush)
                         crush_destroy(map->crush);
@@ -830,15 +830,20 @@ struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
                 map->osd_addr[osd] = addr;
         }
 
-        /* new_down */
+        /* new_state */
         ceph_decode_32_safe(p, end, len, bad);
         while (len--) {
                 u32 osd;
+                u8 xorstate;
                 ceph_decode_32_safe(p, end, osd, bad);
+                xorstate = **(u8 **)p;
                 (*p)++;  /* clean flag */
-                pr_info("osd%d down\n", osd);
+                if (xorstate == 0)
+                        xorstate = CEPH_OSD_UP;
+                if (xorstate & CEPH_OSD_UP)
+                        pr_info("osd%d down\n", osd);
                 if (osd < map->max_osd)
-                        map->osd_state[osd] &= ~CEPH_OSD_UP;
+                        map->osd_state[osd] ^= xorstate;
         }
 
         /* new_weight */
diff --git a/net/core/dev.c b/net/core/dev.c
index c7e305d13b71..9444c5cb4137 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -199,6 +199,11 @@ static struct list_head ptype_all __read_mostly;	/* Taps */
 DEFINE_RWLOCK(dev_base_lock);
 EXPORT_SYMBOL(dev_base_lock);
 
+static inline void dev_base_seq_inc(struct net *net)
+{
+        while (++net->dev_base_seq == 0);
+}
+
 static inline struct hlist_head *dev_name_hash(struct net *net, const char *name)
 {
         unsigned hash = full_name_hash(name, strnlen(name, IFNAMSIZ));
@@ -237,6 +242,9 @@ static int list_netdevice(struct net_device *dev)
         hlist_add_head_rcu(&dev->index_hlist,
                            dev_index_hash(net, dev->ifindex));
         write_unlock_bh(&dev_base_lock);
+
+        dev_base_seq_inc(net);
+
         return 0;
 }
 
@@ -253,6 +261,8 @@ static void unlist_netdevice(struct net_device *dev)
         hlist_del_rcu(&dev->name_hlist);
         hlist_del_rcu(&dev->index_hlist);
         write_unlock_bh(&dev_base_lock);
+
+        dev_base_seq_inc(dev_net(dev));
 }
 
 /*
@@ -2096,6 +2106,7 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
 {
         const struct net_device_ops *ops = dev->netdev_ops;
         int rc = NETDEV_TX_OK;
+        unsigned int skb_len;
 
         if (likely(!skb->next)) {
                 u32 features;
@@ -2146,8 +2157,9 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
                         }
                 }
 
+                skb_len = skb->len;
                 rc = ops->ndo_start_xmit(skb, dev);
-                trace_net_dev_xmit(skb, rc);
+                trace_net_dev_xmit(skb, rc, dev, skb_len);
                 if (rc == NETDEV_TX_OK)
                         txq_trans_update(txq);
                 return rc;
@@ -2167,8 +2179,9 @@ gso:
                 if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
                         skb_dst_drop(nskb);
 
+                skb_len = nskb->len;
                 rc = ops->ndo_start_xmit(nskb, dev);
-                trace_net_dev_xmit(nskb, rc);
+                trace_net_dev_xmit(nskb, rc, dev, skb_len);
                 if (unlikely(rc != NETDEV_TX_OK)) {
                         if (rc & ~NETDEV_TX_MASK)
                                 goto out_kfree_gso_skb;
@@ -2529,7 +2542,7 @@ __u32 __skb_get_rxhash(struct sk_buff *skb)
                         goto done;
 
                 ip = (const struct iphdr *) (skb->data + nhoff);
-                if (ip->frag_off & htons(IP_MF | IP_OFFSET))
+                if (ip_is_fragment(ip))
                         ip_proto = 0;
                 else
                         ip_proto = ip->protocol;
@@ -3111,7 +3124,7 @@ static int __netif_receive_skb(struct sk_buff *skb)
 
         skb_reset_network_header(skb);
         skb_reset_transport_header(skb);
-        skb->mac_len = skb->network_header - skb->mac_header;
+        skb_reset_mac_len(skb);
 
         pt_prev = NULL;
 
@@ -5196,7 +5209,7 @@ static void rollback_registered(struct net_device *dev)
         list_del(&single);
 }
 
-u32 netdev_fix_features(struct net_device *dev, u32 features)
+static u32 netdev_fix_features(struct net_device *dev, u32 features)
 {
         /* Fix illegal checksum combinations */
         if ((features & NETIF_F_HW_CSUM) &&
@@ -5255,7 +5268,6 @@ u32 netdev_fix_features(struct net_device *dev, u32 features)
 
         return features;
 }
-EXPORT_SYMBOL(netdev_fix_features);
 
 int __netdev_update_features(struct net_device *dev)
 {
@@ -5475,11 +5487,9 @@ int register_netdevice(struct net_device *dev)
                 dev->features |= NETIF_F_NOCACHE_COPY;
         }
 
-        /* Enable GRO and NETIF_F_HIGHDMA for vlans by default,
-         * vlan_dev_init() will do the dev->features check, so these features
-         * are enabled only if supported by underlying device.
+        /* Make NETIF_F_HIGHDMA inheritable to VLAN devices.
          */
-        dev->vlan_features |= (NETIF_F_GRO | NETIF_F_HIGHDMA);
+        dev->vlan_features |= NETIF_F_HIGHDMA;
 
         ret = call_netdevice_notifiers(NETDEV_POST_INIT, dev);
         ret = notifier_to_errno(ret);
@@ -5864,8 +5874,6 @@ struct net_device *alloc_netdev_mqs(int sizeof_priv, const char *name,
 
         dev->gso_max_size = GSO_MAX_SIZE;
 
-        INIT_LIST_HEAD(&dev->ethtool_ntuple_list.list);
-        dev->ethtool_ntuple_list.count = 0;
         INIT_LIST_HEAD(&dev->napi_list);
         INIT_LIST_HEAD(&dev->unreg_list);
         INIT_LIST_HEAD(&dev->link_watch_list);
@@ -5929,9 +5937,6 @@ void free_netdev(struct net_device *dev)
         /* Flush device addresses */
         dev_addr_flush(dev);
 
-        /* Clear ethtool n-tuple list */
-        ethtool_ntuple_flush(dev);
-
         list_for_each_entry_safe(p, n, &dev->napi_list, dev_list)
                 netif_napi_del(p);
 
@@ -6175,6 +6180,11 @@ static int dev_cpu_callback(struct notifier_block *nfb,
                 oldsd->output_queue = NULL;
                 oldsd->output_queue_tailp = &oldsd->output_queue;
         }
+        /* Append NAPI poll list from offline CPU. */
+        if (!list_empty(&oldsd->poll_list)) {
+                list_splice_init(&oldsd->poll_list, &sd->poll_list);
+                raise_softirq_irqoff(NET_RX_SOFTIRQ);
+        }
 
         raise_softirq_irqoff(NET_TX_SOFTIRQ);
         local_irq_enable();
@@ -6261,29 +6271,23 @@ err_name:
 /**
  *      netdev_drivername - network driver for the device
  *      @dev: network device
- *      @buffer: buffer for resulting name
- *      @len: size of buffer
  *
  *      Determine network driver for device.
  */
-char *netdev_drivername(const struct net_device *dev, char *buffer, int len)
+const char *netdev_drivername(const struct net_device *dev)
 {
         const struct device_driver *driver;
         const struct device *parent;
-
-        if (len <= 0 || !buffer)
-                return buffer;
-        buffer[0] = 0;
+        const char *empty = "";
 
         parent = dev->dev.parent;
-
         if (!parent)
-                return buffer;
+                return empty;
 
         driver = parent->driver;
         if (driver && driver->name)
-                strlcpy(buffer, driver->name, len);
-        return buffer;
+                return driver->name;
+        return empty;
 }
 
 static int __netdev_printk(const char *level, const struct net_device *dev,
diff --git a/net/core/dst.c b/net/core/dst.c
index 9ccca038444f..4aacc14936a0 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -172,7 +172,6 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
         dst->expires = 0UL;
         dst->path = dst;
         dst->neighbour = NULL;
-        dst->hh = NULL;
 #ifdef CONFIG_XFRM
         dst->xfrm = NULL;
 #endif
@@ -190,7 +189,8 @@ void *dst_alloc(struct dst_ops *ops, struct net_device *dev,
         dst->lastuse = jiffies;
         dst->flags = flags;
         dst->next = NULL;
-        dst_entries_add(ops, 1);
+        if (!(flags & DST_NOCOUNT))
+                dst_entries_add(ops, 1);
         return dst;
 }
 EXPORT_SYMBOL(dst_alloc);
@@ -225,25 +225,20 @@ struct dst_entry *dst_destroy(struct dst_entry * dst)
 {
         struct dst_entry *child;
         struct neighbour *neigh;
-        struct hh_cache *hh;
 
         smp_rmb();
 
 again:
         neigh = dst->neighbour;
-        hh = dst->hh;
         child = dst->child;
 
-        dst->hh = NULL;
-        if (hh)
-                hh_cache_put(hh);
-
         if (neigh) {
                 dst->neighbour = NULL;
                 neigh_release(neigh);
         }
 
-        dst_entries_add(dst->ops, -1);
+        if (!(dst->flags & DST_NOCOUNT))
+                dst_entries_add(dst->ops, -1);
 
         if (dst->ops->destroy)
                 dst->ops->destroy(dst);
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index fd14116ad7f0..b7c12a63d0ce 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -169,18 +169,6 @@ int ethtool_op_set_flags(struct net_device *dev, u32 data, u32 supported)
 }
 EXPORT_SYMBOL(ethtool_op_set_flags);
 
-void ethtool_ntuple_flush(struct net_device *dev)
-{
-        struct ethtool_rx_ntuple_flow_spec_container *fsc, *f;
-
-        list_for_each_entry_safe(fsc, f, &dev->ethtool_ntuple_list.list, list) {
-                list_del(&fsc->list);
-                kfree(fsc);
-        }
-        dev->ethtool_ntuple_list.count = 0;
-}
-EXPORT_SYMBOL(ethtool_ntuple_flush);
-
 /* Handlers for each ethtool command */
 
 #define ETHTOOL_DEV_FEATURE_WORDS       1
@@ -865,34 +853,6 @@ out:
         return ret;
 }
 
-static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list,
-                        struct ethtool_rx_ntuple_flow_spec *spec,
-                        struct ethtool_rx_ntuple_flow_spec_container *fsc)
-{
-
-        /* don't add filters forever */
-        if (list->count >= ETHTOOL_MAX_NTUPLE_LIST_ENTRY) {
-                /* free the container */
-                kfree(fsc);
-                return;
-        }
-
-        /* Copy the whole filter over */
-        fsc->fs.flow_type = spec->flow_type;
-        memcpy(&fsc->fs.h_u, &spec->h_u, sizeof(spec->h_u));
-        memcpy(&fsc->fs.m_u, &spec->m_u, sizeof(spec->m_u));
-
-        fsc->fs.vlan_tag = spec->vlan_tag;
-        fsc->fs.vlan_tag_mask = spec->vlan_tag_mask;
-        fsc->fs.data = spec->data;
-        fsc->fs.data_mask = spec->data_mask;
-        fsc->fs.action = spec->action;
-
-        /* add to the list */
-        list_add_tail_rcu(&fsc->list, &list->list);
-        list->count++;
-}
-
 /*
  * ethtool does not (or did not) set masks for flow parameters that are
  * not specified, so if both value and mask are 0 then this must be
@@ -930,8 +890,6 @@ static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
 {
         struct ethtool_rx_ntuple cmd;
         const struct ethtool_ops *ops = dev->ethtool_ops;
-        struct ethtool_rx_ntuple_flow_spec_container *fsc = NULL;
-        int ret;
 
         if (!ops->set_rx_ntuple)
                 return -EOPNOTSUPP;
@@ -944,269 +902,7 @@ static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev,
 
         rx_ntuple_fix_masks(&cmd.fs);
 
-        /*
-         * Cache filter in dev struct for GET operation only if
-         * the underlying driver doesn't have its own GET operation, and
-         * only if the filter was added successfully.  First make sure we
-         * can allocate the filter, then continue if successful.
-         */
-        if (!ops->get_rx_ntuple) {
-                fsc = kmalloc(sizeof(*fsc), GFP_ATOMIC);
-                if (!fsc)
-                        return -ENOMEM;
-        }
-
-        ret = ops->set_rx_ntuple(dev, &cmd);
-        if (ret) {
-                kfree(fsc);
-                return ret;
-        }
-
-        if (!ops->get_rx_ntuple)
-                __rx_ntuple_filter_add(&dev->ethtool_ntuple_list, &cmd.fs, fsc);
-
-        return ret;
-}
-
-static int ethtool_get_rx_ntuple(struct net_device *dev, void __user *useraddr)
-{
-        struct ethtool_gstrings gstrings;
-        const struct ethtool_ops *ops = dev->ethtool_ops;
-        struct ethtool_rx_ntuple_flow_spec_container *fsc;
-        u8 *data;
-        char *p;
-        int ret, i, num_strings = 0;
-
-        if (!ops->get_sset_count)
-                return -EOPNOTSUPP;
-
-        if (copy_from_user(&gstrings, useraddr, sizeof(gstrings)))
-                return -EFAULT;
-
-        ret = ops->get_sset_count(dev, gstrings.string_set);
-        if (ret < 0)
-                return ret;
-
-        gstrings.len = ret;
-
-        data = kzalloc(gstrings.len * ETH_GSTRING_LEN, GFP_USER);
-        if (!data)
-                return -ENOMEM;
-
-        if (ops->get_rx_ntuple) {
-                /* driver-specific filter grab */
-                ret = ops->get_rx_ntuple(dev, gstrings.string_set, data);
-                goto copy;
-        }
-
-        /* default ethtool filter grab */
-        i = 0;
-        p = (char *)data;
-        list_for_each_entry(fsc, &dev->ethtool_ntuple_list.list, list) {
-                sprintf(p, "Filter %d:\n", i);
-                p += ETH_GSTRING_LEN;
-                num_strings++;
-
-                switch (fsc->fs.flow_type) {
-                case TCP_V4_FLOW:
-                        sprintf(p, "\tFlow Type: TCP\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case UDP_V4_FLOW:
-                        sprintf(p, "\tFlow Type: UDP\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case SCTP_V4_FLOW:
-                        sprintf(p, "\tFlow Type: SCTP\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case AH_ESP_V4_FLOW:
-                        sprintf(p, "\tFlow Type: AH ESP\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case ESP_V4_FLOW:
-                        sprintf(p, "\tFlow Type: ESP\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case IP_USER_FLOW:
-                        sprintf(p, "\tFlow Type: Raw IP\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case IPV4_FLOW:
-                        sprintf(p, "\tFlow Type: IPv4\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                default:
-                        sprintf(p, "\tFlow Type: Unknown\n");
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        goto unknown_filter;
-                }
-
-                /* now the rest of the filters */
-                switch (fsc->fs.flow_type) {
-                case TCP_V4_FLOW:
-                case UDP_V4_FLOW:
-                case SCTP_V4_FLOW:
-                        sprintf(p, "\tSrc IP addr: 0x%x\n",
-                                fsc->fs.h_u.tcp_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tSrc IP mask: 0x%x\n",
-                                fsc->fs.m_u.tcp_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP addr: 0x%x\n",
-                                fsc->fs.h_u.tcp_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP mask: 0x%x\n",
-                                fsc->fs.m_u.tcp_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tSrc Port: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.tcp_ip4_spec.psrc,
-                                fsc->fs.m_u.tcp_ip4_spec.psrc);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest Port: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.tcp_ip4_spec.pdst,
-                                fsc->fs.m_u.tcp_ip4_spec.pdst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tTOS: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.tcp_ip4_spec.tos,
-                                fsc->fs.m_u.tcp_ip4_spec.tos);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case AH_ESP_V4_FLOW:
-                case ESP_V4_FLOW:
-                        sprintf(p, "\tSrc IP addr: 0x%x\n",
-                                fsc->fs.h_u.ah_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tSrc IP mask: 0x%x\n",
-                                fsc->fs.m_u.ah_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP addr: 0x%x\n",
-                                fsc->fs.h_u.ah_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP mask: 0x%x\n",
-                                fsc->fs.m_u.ah_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tSPI: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.ah_ip4_spec.spi,
-                                fsc->fs.m_u.ah_ip4_spec.spi);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tTOS: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.ah_ip4_spec.tos,
-                                fsc->fs.m_u.ah_ip4_spec.tos);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case IP_USER_FLOW:
-                        sprintf(p, "\tSrc IP addr: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tSrc IP mask: 0x%x\n",
-                                fsc->fs.m_u.usr_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP addr: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP mask: 0x%x\n",
-                                fsc->fs.m_u.usr_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                case IPV4_FLOW:
-                        sprintf(p, "\tSrc IP addr: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tSrc IP mask: 0x%x\n",
-                                fsc->fs.m_u.usr_ip4_spec.ip4src);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP addr: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tDest IP mask: 0x%x\n",
-                                fsc->fs.m_u.usr_ip4_spec.ip4dst);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tL4 bytes: 0x%x, mask: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.l4_4_bytes,
-                                fsc->fs.m_u.usr_ip4_spec.l4_4_bytes);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tTOS: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.tos,
-                                fsc->fs.m_u.usr_ip4_spec.tos);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tIP Version: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.ip_ver,
-                                fsc->fs.m_u.usr_ip4_spec.ip_ver);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        sprintf(p, "\tProtocol: %d, mask: 0x%x\n",
-                                fsc->fs.h_u.usr_ip4_spec.proto,
-                                fsc->fs.m_u.usr_ip4_spec.proto);
-                        p += ETH_GSTRING_LEN;
-                        num_strings++;
-                        break;
-                }
-                sprintf(p, "\tVLAN: %d, mask: 0x%x\n",
-                        fsc->fs.vlan_tag, fsc->fs.vlan_tag_mask);
-                p += ETH_GSTRING_LEN;
-                num_strings++;
-                sprintf(p, "\tUser-defined: 0x%Lx\n", fsc->fs.data);
-                p += ETH_GSTRING_LEN;
-                num_strings++;
-                sprintf(p, "\tUser-defined mask: 0x%Lx\n", fsc->fs.data_mask);
-                p += ETH_GSTRING_LEN;
-                num_strings++;
-                if (fsc->fs.action == ETHTOOL_RXNTUPLE_ACTION_DROP)
-                        sprintf(p, "\tAction: Drop\n");
-                else
-                        sprintf(p, "\tAction: Direct to queue %d\n",
-                                fsc->fs.action);
-                p += ETH_GSTRING_LEN;
-                num_strings++;
-unknown_filter:
-                i++;
-        }
-copy:
-        /* indicate to userspace how many strings we actually have */
-        gstrings.len = num_strings;
-        ret = -EFAULT;
-        if (copy_to_user(useraddr, &gstrings, sizeof(gstrings)))
-                goto out;
-        useraddr += sizeof(gstrings);
-        if (copy_to_user(useraddr, data, gstrings.len * ETH_GSTRING_LEN))
-                goto out;
-        ret = 0;
-
-out:
-        kfree(data);
-        return ret;
+        return ops->set_rx_ntuple(dev, &cmd);
 }
 
 static int ethtool_get_regs(struct net_device *dev, char __user *useraddr)
@@ -2101,9 +1797,6 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
         case ETHTOOL_SRXNTUPLE:
                 rc = ethtool_set_rx_ntuple(dev, useraddr);
                 break;
-        case ETHTOOL_GRXNTUPLE:
-                rc = ethtool_get_rx_ntuple(dev, useraddr);
-                break;
         case ETHTOOL_GSSET_INFO:
                 rc = ethtool_get_sset_info(dev, useraddr);
                 break;
diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index 008dc70b064b..e7ab0c0285b5 100644
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -740,9 +740,9 @@ static struct pernet_operations fib_rules_net_ops = {
 static int __init fib_rules_init(void)
 {
         int err;
-        rtnl_register(PF_UNSPEC, RTM_NEWRULE, fib_nl_newrule, NULL);
-        rtnl_register(PF_UNSPEC, RTM_DELRULE, fib_nl_delrule, NULL);
-        rtnl_register(PF_UNSPEC, RTM_GETRULE, NULL, fib_nl_dumprule);
+        rtnl_register(PF_UNSPEC, RTM_NEWRULE, fib_nl_newrule, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_DELRULE, fib_nl_delrule, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETRULE, NULL, fib_nl_dumprule, NULL);
 
         err = register_pernet_subsys(&fib_rules_net_ops);
         if (err < 0)
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 799f06e03a22..77a399f2ad03 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -137,7 +137,7 @@ static int neigh_forced_gc(struct neigh_table *tbl)
         write_lock_bh(&tbl->lock);
         nht = rcu_dereference_protected(tbl->nht,
                                         lockdep_is_held(&tbl->lock));
-        for (i = 0; i <= nht->hash_mask; i++) {
+        for (i = 0; i < (1 << nht->hash_shift); i++) {
                 struct neighbour *n;
                 struct neighbour __rcu **np;
 
@@ -210,7 +210,7 @@ static void neigh_flush_dev(struct neigh_table *tbl, struct net_device *dev)
         nht = rcu_dereference_protected(tbl->nht,
                                         lockdep_is_held(&tbl->lock));
 
-        for (i = 0; i <= nht->hash_mask; i++) {
+        for (i = 0; i < (1 << nht->hash_shift); i++) {
                 struct neighbour *n;
                 struct neighbour __rcu **np = &nht->hash_buckets[i];
 
@@ -297,6 +297,7 @@ static struct neighbour *neigh_alloc(struct neigh_table *tbl)
         n->updated        = n->used = now;
         n->nud_state      = NUD_NONE;
         n->output         = neigh_blackhole;
+        seqlock_init(&n->hh.hh_lock);
         n->parms          = neigh_parms_clone(&tbl->parms);
         setup_timer(&n->timer, neigh_timer_handler, (unsigned long)n);
 
@@ -312,9 +313,9 @@ out_entries:
         goto out;
 }
 
-static struct neigh_hash_table *neigh_hash_alloc(unsigned int entries)
+static struct neigh_hash_table *neigh_hash_alloc(unsigned int shift)
 {
-        size_t size = entries * sizeof(struct neighbour *);
+        size_t size = (1 << shift) * sizeof(struct neighbour *);
         struct neigh_hash_table *ret;
         struct neighbour __rcu **buckets;
 
@@ -332,8 +333,9 @@ static struct neigh_hash_table *neigh_hash_alloc(unsigned int entries)
                 return NULL;
         }
         ret->hash_buckets = buckets;
-        ret->hash_mask = entries - 1;
+        ret->hash_shift = shift;
         get_random_bytes(&ret->hash_rnd, sizeof(ret->hash_rnd));
+        ret->hash_rnd |= 1;
         return ret;
 }
 
@@ -342,7 +344,7 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
         struct neigh_hash_table *nht = container_of(head,
                                                     struct neigh_hash_table,
                                                     rcu);
-        size_t size = (nht->hash_mask + 1) * sizeof(struct neighbour *);
+        size_t size = (1 << nht->hash_shift) * sizeof(struct neighbour *);
         struct neighbour __rcu **buckets = nht->hash_buckets;
 
         if (size <= PAGE_SIZE)
@@ -353,21 +355,20 @@ static void neigh_hash_free_rcu(struct rcu_head *head)
 }
 
 static struct neigh_hash_table *neigh_hash_grow(struct neigh_table *tbl,
-                                                unsigned long new_entries)
+                                                unsigned long new_shift)
 {
         unsigned int i, hash;
         struct neigh_hash_table *new_nht, *old_nht;
 
         NEIGH_CACHE_STAT_INC(tbl, hash_grows);
 
-        BUG_ON(!is_power_of_2(new_entries));
         old_nht = rcu_dereference_protected(tbl->nht,
                                             lockdep_is_held(&tbl->lock));
-        new_nht = neigh_hash_alloc(new_entries);
+        new_nht = neigh_hash_alloc(new_shift);
         if (!new_nht)
                 return old_nht;
 
-        for (i = 0; i <= old_nht->hash_mask; i++) {
+        for (i = 0; i < (1 << old_nht->hash_shift); i++) {
                 struct neighbour *n, *next;
 
                 for (n = rcu_dereference_protected(old_nht->hash_buckets[i],
@@ -377,7 +378,7 @@ static struct neigh_hash_table *neigh_hash_grow(struct neigh_table *tbl,
                         hash = tbl->hash(n->primary_key, n->dev,
                                          new_nht->hash_rnd);
 
-                        hash &= new_nht->hash_mask;
+                        hash >>= (32 - new_nht->hash_shift);
                         next = rcu_dereference_protected(n->next,
                                                 lockdep_is_held(&tbl->lock));
 
@@ -406,7 +407,7 @@ struct neighbour *neigh_lookup(struct neigh_table *tbl, const void *pkey,
 
         rcu_read_lock_bh();
         nht = rcu_dereference_bh(tbl->nht);
-        hash_val = tbl->hash(pkey, dev, nht->hash_rnd) & nht->hash_mask;
+        hash_val = tbl->hash(pkey, dev, nht->hash_rnd) >> (32 - nht->hash_shift);
 
         for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
              n != NULL;
@@ -436,7 +437,7 @@ struct neighbour *neigh_lookup_nodev(struct neigh_table *tbl, struct net *net,
 
         rcu_read_lock_bh();
         nht = rcu_dereference_bh(tbl->nht);
-        hash_val = tbl->hash(pkey, NULL, nht->hash_rnd) & nht->hash_mask;
+        hash_val = tbl->hash(pkey, NULL, nht->hash_rnd) >> (32 - nht->hash_shift);
 
         for (n = rcu_dereference_bh(nht->hash_buckets[hash_val]);
              n != NULL;
@@ -492,10 +493,10 @@ struct neighbour *neigh_create(struct neigh_table *tbl, const void *pkey,
         nht = rcu_dereference_protected(tbl->nht,
                                         lockdep_is_held(&tbl->lock));
 
-        if (atomic_read(&tbl->entries) > (nht->hash_mask + 1))
-                nht = neigh_hash_grow(tbl, (nht->hash_mask + 1) << 1);
+        if (atomic_read(&tbl->entries) > (1 << nht->hash_shift))
+                nht = neigh_hash_grow(tbl, nht->hash_shift + 1);
 
-        hash_val = tbl->hash(pkey, dev, nht->hash_rnd) & nht->hash_mask;
+        hash_val = tbl->hash(pkey, dev, nht->hash_rnd) >> (32 - nht->hash_shift);
 
         if (n->parms->dead) {
                 rc = ERR_PTR(-EINVAL);
@@ -702,14 +703,11 @@ void neigh_destroy(struct neighbour *neigh)
         if (neigh_del_timer(neigh))
                 printk(KERN_WARNING "Impossible event.\n");
 
-        while ((hh = neigh->hh) != NULL) {
-                neigh->hh = hh->hh_next;
-                hh->hh_next = NULL;
-
+        hh = &neigh->hh;
+        if (hh->hh_len) {
                 write_seqlock_bh(&hh->hh_lock);
                 hh->hh_output = neigh_blackhole;
                 write_sequnlock_bh(&hh->hh_lock);
-                hh_cache_put(hh);
         }
 
         skb_queue_purge(&neigh->arp_queue);
@@ -737,7 +735,8 @@ static void neigh_suspect(struct neighbour *neigh)
 
         neigh->output = neigh->ops->output;
 
-        for (hh = neigh->hh; hh; hh = hh->hh_next)
+        hh = &neigh->hh;
+        if (hh->hh_len)
                 hh->hh_output = neigh->ops->output;
 }
 
@@ -754,7 +753,8 @@ static void neigh_connect(struct neighbour *neigh)
 
         neigh->output = neigh->ops->connected_output;
 
-        for (hh = neigh->hh; hh; hh = hh->hh_next)
+        hh = &neigh->hh;
+        if (hh->hh_len)
                 hh->hh_output = neigh->ops->hh_output;
 }
 
@@ -784,7 +784,7 @@ static void neigh_periodic_work(struct work_struct *work)
                                 neigh_rand_reach_time(p->base_reachable_time);
         }
 
-        for (i = 0 ; i <= nht->hash_mask; i++) {
+        for (i = 0 ; i < (1 << nht->hash_shift); i++) {
                 np = &nht->hash_buckets[i];
 
                 while ((n = rcu_dereference_protected(*np,
@@ -1015,7 +1015,7 @@ out_unlock_bh:
 }
 EXPORT_SYMBOL(__neigh_event_send);
 
-static void neigh_update_hhs(const struct neighbour *neigh)
+static void neigh_update_hhs(struct neighbour *neigh)
 {
         struct hh_cache *hh;
         void (*update)(struct hh_cache*, const struct net_device*, const unsigned char *)
@@ -1025,7 +1025,8 @@ static void neigh_update_hhs(const struct neighbour *neigh)
                 update = neigh->dev->header_ops->cache_update;
 
         if (update) {
-                for (hh = neigh->hh; hh; hh = hh->hh_next) {
+                hh = &neigh->hh;
+                if (hh->hh_len) {
                         write_seqlock_bh(&hh->hh_lock);
                         update(hh, neigh->dev, neigh->ha);
                         write_sequnlock_bh(&hh->hh_lock);
@@ -1211,66 +1212,29 @@ struct neighbour *neigh_event_ns(struct neigh_table *tbl,
 }
 EXPORT_SYMBOL(neigh_event_ns);
 
-static inline bool neigh_hh_lookup(struct neighbour *n, struct dst_entry *dst,
-                                   __be16 protocol)
-{
-        struct hh_cache *hh;
-
-        smp_rmb(); /* paired with smp_wmb() in neigh_hh_init() */
-        for (hh = n->hh; hh; hh = hh->hh_next) {
-                if (hh->hh_type == protocol) {
-                        atomic_inc(&hh->hh_refcnt);
-                        if (unlikely(cmpxchg(&dst->hh, NULL, hh) != NULL))
-                                hh_cache_put(hh);
-                        return true;
-                }
-        }
-        return false;
-}
-
 /* called with read_lock_bh(&n->lock); */
-static void neigh_hh_init(struct neighbour *n, struct dst_entry *dst,
-                          __be16 protocol)
+static void neigh_hh_init(struct neighbour *n, struct dst_entry *dst)
 {
-        struct hh_cache *hh;
         struct net_device *dev = dst->dev;
-
-        if (likely(neigh_hh_lookup(n, dst, protocol)))
-                return;
-
-        /* slow path */
-        hh = kzalloc(sizeof(*hh), GFP_ATOMIC);
-        if (!hh)
-                return;
-
-        seqlock_init(&hh->hh_lock);
-        hh->hh_type = protocol;
-        atomic_set(&hh->hh_refcnt, 2);
-
-        if (dev->header_ops->cache(n, hh)) {
-                kfree(hh);
-                return;
-        }
+        __be16 prot = dst->ops->protocol;
+        struct hh_cache *hh = &n->hh;
 
         write_lock_bh(&n->lock);
 
-        /* must check if another thread already did the insert */
-        if (neigh_hh_lookup(n, dst, protocol)) {
-                kfree(hh);
+        /* Only one thread can come in here and initialize the
+         * hh_cache entry.
+         */
+        if (hh->hh_len)
+                goto end;
+
+        if (dev->header_ops->cache(n, hh, prot))
                 goto end;
-        }
 
         if (n->nud_state & NUD_CONNECTED)
                 hh->hh_output = n->ops->hh_output;
         else
                 hh->hh_output = n->ops->output;
 
-        hh->hh_next = n->hh;
-        smp_wmb(); /* paired with smp_rmb() in neigh_hh_lookup() */
-        n->hh       = hh;
-
-        if (unlikely(cmpxchg(&dst->hh, NULL, hh) != NULL))
-                hh_cache_put(hh);
 end:
         write_unlock_bh(&n->lock);
 }
@@ -1313,10 +1277,8 @@ int neigh_resolve_output(struct sk_buff *skb)
                 struct net_device *dev = neigh->dev;
                 unsigned int seq;
 
-                if (dev->header_ops->cache &&
-                    !dst->hh &&
-                    !(dst->flags & DST_NOCACHE))
-                        neigh_hh_init(neigh, dst, dst->ops->protocol);
+                if (dev->header_ops->cache && !neigh->hh.hh_len)
+                        neigh_hh_init(neigh, dst);
 
                 do {
                         seq = read_seqbegin(&neigh->ha_lock);
@@ -1540,7 +1502,7 @@ void neigh_table_init_no_netlink(struct neigh_table *tbl)
                 panic("cannot create neighbour proc dir entry");
 #endif
 
-        RCU_INIT_POINTER(tbl->nht, neigh_hash_alloc(8));
+        RCU_INIT_POINTER(tbl->nht, neigh_hash_alloc(3));
 
         phsize = (PNEIGH_HASHMASK + 1) * sizeof(struct pneigh_entry *);
         tbl->phash_buckets = kzalloc(phsize, GFP_KERNEL);
@@ -1857,7 +1819,7 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
                 rcu_read_lock_bh();
                 nht = rcu_dereference_bh(tbl->nht);
                 ndc.ndtc_hash_rnd = nht->hash_rnd;
-                ndc.ndtc_hash_mask = nht->hash_mask;
+                ndc.ndtc_hash_mask = ((1 << nht->hash_shift) - 1);
                 rcu_read_unlock_bh();
 
                 NLA_PUT(skb, NDTA_CONFIG, sizeof(ndc), &ndc);
@@ -2200,7 +2162,7 @@ static int neigh_dump_table(struct neigh_table *tbl, struct sk_buff *skb,
         rcu_read_lock_bh();
         nht = rcu_dereference_bh(tbl->nht);
 
-        for (h = 0; h <= nht->hash_mask; h++) {
+        for (h = 0; h < (1 << nht->hash_shift); h++) {
                 if (h < s_h)
                         continue;
                 if (h > s_h)
@@ -2264,7 +2226,7 @@ void neigh_for_each(struct neigh_table *tbl, void (*cb)(struct neighbour *, void
         nht = rcu_dereference_bh(tbl->nht);
 
         read_lock(&tbl->lock); /* avoid resizes */
-        for (chain = 0; chain <= nht->hash_mask; chain++) {
+        for (chain = 0; chain < (1 << nht->hash_shift); chain++) {
                 struct neighbour *n;
 
                 for (n = rcu_dereference_bh(nht->hash_buckets[chain]);
@@ -2286,7 +2248,7 @@ void __neigh_for_each_release(struct neigh_table *tbl,
 
         nht = rcu_dereference_protected(tbl->nht,
                                         lockdep_is_held(&tbl->lock));
-        for (chain = 0; chain <= nht->hash_mask; chain++) {
+        for (chain = 0; chain < (1 << nht->hash_shift); chain++) {
                 struct neighbour *n;
                 struct neighbour __rcu **np;
 
@@ -2323,7 +2285,7 @@ static struct neighbour *neigh_get_first(struct seq_file *seq)
         int bucket = state->bucket;
 
         state->flags &= ~NEIGH_SEQ_IS_PNEIGH;
-        for (bucket = 0; bucket <= nht->hash_mask; bucket++) {
+        for (bucket = 0; bucket < (1 << nht->hash_shift); bucket++) {
                 n = rcu_dereference_bh(nht->hash_buckets[bucket]);
 
                 while (n) {
@@ -2390,7 +2352,7 @@ next:
                 if (n)
                         break;
 
-                if (++state->bucket > nht->hash_mask)
+                if (++state->bucket >= (1 << nht->hash_shift))
                         break;
 
                 n = rcu_dereference_bh(nht->hash_buckets[state->bucket]);
@@ -2909,12 +2871,13 @@ EXPORT_SYMBOL(neigh_sysctl_unregister);
 
 static int __init neigh_init(void)
 {
-        rtnl_register(PF_UNSPEC, RTM_NEWNEIGH, neigh_add, NULL);
-        rtnl_register(PF_UNSPEC, RTM_DELNEIGH, neigh_delete, NULL);
-        rtnl_register(PF_UNSPEC, RTM_GETNEIGH, NULL, neigh_dump_info);
+        rtnl_register(PF_UNSPEC, RTM_NEWNEIGH, neigh_add, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_DELNEIGH, neigh_delete, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETNEIGH, NULL, neigh_dump_info, NULL);
 
-        rtnl_register(PF_UNSPEC, RTM_GETNEIGHTBL, NULL, neightbl_dump_info);
-        rtnl_register(PF_UNSPEC, RTM_SETNEIGHTBL, neightbl_set, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETNEIGHTBL, NULL, neightbl_dump_info,
+                      NULL);
+        rtnl_register(PF_UNSPEC, RTM_SETNEIGHTBL, neightbl_set, NULL, NULL);
 
         return 0;
 }
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 11b98bc2aa8f..1683e5db2f27 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -100,7 +100,6 @@ NETDEVICE_SHOW(addr_assign_type, fmt_dec);
 NETDEVICE_SHOW(addr_len, fmt_dec);
 NETDEVICE_SHOW(iflink, fmt_dec);
 NETDEVICE_SHOW(ifindex, fmt_dec);
-NETDEVICE_SHOW(features, fmt_hex);
 NETDEVICE_SHOW(type, fmt_dec);
 NETDEVICE_SHOW(link_mode, fmt_dec);
 
@@ -312,7 +311,6 @@ static struct device_attribute net_class_attributes[] = {
         __ATTR(ifalias, S_IRUGO | S_IWUSR, show_ifalias, store_ifalias),
         __ATTR(iflink, S_IRUGO, show_iflink, NULL),
         __ATTR(ifindex, S_IRUGO, show_ifindex, NULL),
-        __ATTR(features, S_IRUGO, show_features, NULL),
         __ATTR(type, S_IRUGO, show_type, NULL),
         __ATTR(link_mode, S_IRUGO, show_link_mode, NULL),
         __ATTR(address, S_IRUGO, show_address, NULL),
@@ -1179,9 +1177,14 @@ static void remove_queue_kobjects(struct net_device *net)
 #endif
 }
 
-static const void *net_current_ns(void)
+static void *net_grab_current_ns(void)
 {
-        return current->nsproxy->net_ns;
+        struct net *ns = current->nsproxy->net_ns;
+#ifdef CONFIG_NET_NS
+        if (ns)
+                atomic_inc(&ns->passive);
+#endif
+        return ns;
 }
 
 static const void *net_initial_ns(void)
@@ -1196,22 +1199,13 @@ static const void *net_netlink_ns(struct sock *sk)
 
 struct kobj_ns_type_operations net_ns_type_operations = {
         .type = KOBJ_NS_TYPE_NET,
-        .current_ns = net_current_ns,
+        .grab_current_ns = net_grab_current_ns,
         .netlink_ns = net_netlink_ns,
         .initial_ns = net_initial_ns,
+        .drop_ns = net_drop_ns,
 };
 EXPORT_SYMBOL_GPL(net_ns_type_operations);
 
-static void net_kobj_ns_exit(struct net *net)
-{
-        kobj_ns_exit(KOBJ_NS_TYPE_NET, net);
-}
-
-static struct pernet_operations kobj_net_ops = {
-        .exit = net_kobj_ns_exit,
-};
-
-
 #ifdef CONFIG_HOTPLUG
 static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
 {
@@ -1339,6 +1333,5 @@ EXPORT_SYMBOL(netdev_class_remove_file);
 int netdev_kobject_init(void)
 {
         kobj_ns_type_register(&net_ns_type_operations);
-        register_pernet_subsys(&kobj_net_ops);
         return class_register(&net_class);
 }
diff --git a/net/core/net-traces.c b/net/core/net-traces.c
index 7f1bb2aba03b..52380b1d552a 100644
--- a/net/core/net-traces.c
+++ b/net/core/net-traces.c
@@ -28,6 +28,8 @@
 #include <trace/events/skb.h>
 #include <trace/events/net.h>
 #include <trace/events/napi.h>
+#include <trace/events/sock.h>
+#include <trace/events/udp.h>
 
 EXPORT_TRACEPOINT_SYMBOL_GPL(kfree_skb);
 
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 2e2dce6583e1..5bbdbf0d3664 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -8,6 +8,8 @@
 #include <linux/idr.h>
 #include <linux/rculist.h>
 #include <linux/nsproxy.h>
+#include <linux/proc_fs.h>
+#include <linux/file.h>
 #include <net/net_namespace.h>
 #include <net/netns/generic.h>
 
@@ -126,6 +128,8 @@ static __net_init int setup_net(struct net *net)
         LIST_HEAD(net_exit_list);
 
         atomic_set(&net->count, 1);
+        atomic_set(&net->passive, 1);
+        net->dev_base_seq = 1;
 
 #ifdef NETNS_REFCNT_DEBUG
         atomic_set(&net->use_count, 0);
@@ -208,6 +212,13 @@ static void net_free(struct net *net)
         kmem_cache_free(net_cachep, net);
 }
 
+void net_drop_ns(void *p)
+{
+        struct net *ns = p;
+        if (ns && atomic_dec_and_test(&ns->passive))
+                net_free(ns);
+}
+
 struct net *copy_net_ns(unsigned long flags, struct net *old_net)
 {
         struct net *net;
@@ -228,7 +239,7 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
         }
         mutex_unlock(&net_mutex);
         if (rv < 0) {
-                net_free(net);
+                net_drop_ns(net);
                 return ERR_PTR(rv);
         }
         return net;
@@ -284,7 +295,7 @@ static void cleanup_net(struct work_struct *work)
         /* Finally it is safe to free my network namespace structure */
         list_for_each_entry_safe(net, tmp, &net_exit_list, exit_list) {
                 list_del_init(&net->exit_list);
-                net_free(net);
+                net_drop_ns(net);
         }
 }
 static DECLARE_WORK(net_cleanup_work, cleanup_net);
@@ -302,6 +313,26 @@ void __put_net(struct net *net)
 }
 EXPORT_SYMBOL_GPL(__put_net);
 
+struct net *get_net_ns_by_fd(int fd)
+{
+        struct proc_inode *ei;
+        struct file *file;
+        struct net *net;
+
+        file = proc_ns_fget(fd);
+        if (IS_ERR(file))
+                return ERR_CAST(file);
+
+        ei = PROC_I(file->f_dentry->d_inode);
+        if (ei->ns_ops == &netns_operations)
+                net = get_net(ei->ns);
+        else
+                net = ERR_PTR(-EINVAL);
+
+        fput(file);
+        return net;
+}
+
 #else
 struct net *copy_net_ns(unsigned long flags, struct net *old_net)
 {
@@ -309,6 +340,11 @@ struct net *copy_net_ns(unsigned long flags, struct net *old_net)
                 return ERR_PTR(-EINVAL);
         return old_net;
 }
+
+struct net *get_net_ns_by_fd(int fd)
+{
+        return ERR_PTR(-EINVAL);
+}
 #endif
 
 struct net *get_net_ns_by_pid(pid_t pid)
@@ -561,3 +597,39 @@ void unregister_pernet_device(struct pernet_operations *ops)
         mutex_unlock(&net_mutex);
 }
 EXPORT_SYMBOL_GPL(unregister_pernet_device);
+
+#ifdef CONFIG_NET_NS
+static void *netns_get(struct task_struct *task)
+{
+        struct net *net = NULL;
+        struct nsproxy *nsproxy;
+
+        rcu_read_lock();
+        nsproxy = task_nsproxy(task);
+        if (nsproxy)
+                net = get_net(nsproxy->net_ns);
+        rcu_read_unlock();
+
+        return net;
+}
+
+static void netns_put(void *ns)
+{
+        put_net(ns);
+}
+
+static int netns_install(struct nsproxy *nsproxy, void *ns)
+{
+        put_net(nsproxy->net_ns);
+        nsproxy->net_ns = get_net(ns);
+        return 0;
+}
+
+const struct proc_ns_operations netns_operations = {
+        .name           = "net",
+        .type           = CLONE_NEWNET,
+        .get            = netns_get,
+        .put            = netns_put,
+        .install        = netns_install,
+};
+#endif
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 2d7d6d473781..adf84dd8c7b5 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -177,7 +177,7 @@ static void service_arp_queue(struct netpoll_info *npi)
         }
 }
 
-void netpoll_poll_dev(struct net_device *dev)
+static void netpoll_poll_dev(struct net_device *dev)
 {
         const struct net_device_ops *ops;
 
@@ -208,13 +208,6 @@ void netpoll_poll_dev(struct net_device *dev)
 
         zap_completion_queue();
 }
-EXPORT_SYMBOL(netpoll_poll_dev);
-
-void netpoll_poll(struct netpoll *np)
-{
-        netpoll_poll_dev(np->dev);
-}
-EXPORT_SYMBOL(netpoll_poll);
 
 static void refill_skbs(void)
 {
@@ -275,7 +268,7 @@ repeat:
 
         if (!skb) {
                 if (++count < 10) {
-                        netpoll_poll(np);
+                        netpoll_poll_dev(np->dev);
                         goto repeat;
                 }
                 return NULL;
@@ -336,7 +329,7 @@ void netpoll_send_skb_on_dev(struct netpoll *np, struct sk_buff *skb,
                         }
 
                         /* tickle device maybe there is some cleanup */
-                        netpoll_poll(np);
+                        netpoll_poll_dev(np->dev);
 
                         udelay(USEC_PER_POLL);
                 }
@@ -792,6 +785,13 @@ int netpoll_setup(struct netpoll *np)
                 return -ENODEV;
         }
 
+        if (ndev->master) {
+                printk(KERN_ERR "%s: %s is a slave device, aborting.\n",
+                       np->name, np->dev_name);
+                err = -EBUSY;
+                goto put;
+        }
+
         if (!netif_running(ndev)) {
                 unsigned long atmost, atleast;
 
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 2d56cb9b0b94..99d9e953fe39 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -56,9 +56,11 @@
 struct rtnl_link {
         rtnl_doit_func          doit;
         rtnl_dumpit_func        dumpit;
+        rtnl_calcit_func        calcit;
 };
 
 static DEFINE_MUTEX(rtnl_mutex);
+static u16 min_ifinfo_dump_size;
 
 void rtnl_lock(void)
 {
@@ -144,12 +146,28 @@ static rtnl_dumpit_func rtnl_get_dumpit(int protocol, int msgindex)
         return tab ? tab[msgindex].dumpit : NULL;
 }
 
+static rtnl_calcit_func rtnl_get_calcit(int protocol, int msgindex)
+{
+        struct rtnl_link *tab;
+
+        if (protocol <= RTNL_FAMILY_MAX)
+                tab = rtnl_msg_handlers[protocol];
+        else
+                tab = NULL;
+
+        if (tab == NULL || tab[msgindex].calcit == NULL)
+                tab = rtnl_msg_handlers[PF_UNSPEC];
+
+        return tab ? tab[msgindex].calcit : NULL;
+}
+
 /**
  * __rtnl_register - Register a rtnetlink message type
  * @protocol: Protocol family or PF_UNSPEC
  * @msgtype: rtnetlink message type
  * @doit: Function pointer called for each request message
  * @dumpit: Function pointer called for each dump request (NLM_F_DUMP) message
+ * @calcit: Function pointer to calc size of dump message
  *
  * Registers the specified function pointers (at least one of them has
  * to be non-NULL) to be called whenever a request message for the
@@ -162,7 +180,8 @@ static rtnl_dumpit_func rtnl_get_dumpit(int protocol, int msgindex)
  * Returns 0 on success or a negative error code.
  */
 int __rtnl_register(int protocol, int msgtype,
-                    rtnl_doit_func doit, rtnl_dumpit_func dumpit)
+                    rtnl_doit_func doit, rtnl_dumpit_func dumpit,
+                    rtnl_calcit_func calcit)
 {
         struct rtnl_link *tab;
         int msgindex;
@@ -185,6 +204,9 @@ int __rtnl_register(int protocol, int msgtype,
         if (dumpit)
                 tab[msgindex].dumpit = dumpit;
 
+        if (calcit)
+                tab[msgindex].calcit = calcit;
+
         return 0;
 }
 EXPORT_SYMBOL_GPL(__rtnl_register);
@@ -199,9 +221,10 @@ EXPORT_SYMBOL_GPL(__rtnl_register);
  * of memory implies no sense in continuing.
  */
 void rtnl_register(int protocol, int msgtype,
-                   rtnl_doit_func doit, rtnl_dumpit_func dumpit)
+                   rtnl_doit_func doit, rtnl_dumpit_func dumpit,
+                   rtnl_calcit_func calcit)
 {
-        if (__rtnl_register(protocol, msgtype, doit, dumpit) < 0)
+        if (__rtnl_register(protocol, msgtype, doit, dumpit, calcit) < 0)
                 panic("Unable to register rtnetlink message handler, "
                       "protocol = %d, message type = %d\n",
                       protocol, msgtype);
@@ -1009,6 +1032,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
         s_idx = cb->args[1];
 
         rcu_read_lock();
+        cb->seq = net->dev_base_seq;
+
         for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) {
                 idx = 0;
                 head = &net->dev_index_head[h];
@@ -1020,6 +1045,8 @@ static int rtnl_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
                                              cb->nlh->nlmsg_seq, 0,
                                              NLM_F_MULTI) <= 0)
                                 goto out;
+
+                        nl_dump_check_consistent(cb, nlmsg_hdr(skb));
 cont:
                         idx++;
                 }
@@ -1046,6 +1073,7 @@ const struct nla_policy ifla_policy[IFLA_MAX+1] = {
         [IFLA_LINKMODE]         = { .type = NLA_U8 },
         [IFLA_LINKINFO]         = { .type = NLA_NESTED },
         [IFLA_NET_NS_PID]       = { .type = NLA_U32 },
+        [IFLA_NET_NS_FD]        = { .type = NLA_U32 },
         [IFLA_IFALIAS]          = { .type = NLA_STRING, .len = IFALIASZ-1 },
         [IFLA_VFINFO_LIST]      = {. type = NLA_NESTED },
         [IFLA_VF_PORTS]         = { .type = NLA_NESTED },
@@ -1094,6 +1122,8 @@ struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[])
          */
         if (tb[IFLA_NET_NS_PID])
                 net = get_net_ns_by_pid(nla_get_u32(tb[IFLA_NET_NS_PID]));
+        else if (tb[IFLA_NET_NS_FD])
+                net = get_net_ns_by_fd(nla_get_u32(tb[IFLA_NET_NS_FD]));
         else
                 net = get_net(src_net);
         return net;
@@ -1224,7 +1254,7 @@ static int do_setlink(struct net_device *dev, struct ifinfomsg *ifm,
         int send_addr_notify = 0;
         int err;
 
-        if (tb[IFLA_NET_NS_PID]) {
+        if (tb[IFLA_NET_NS_PID] || tb[IFLA_NET_NS_FD]) {
                 struct net *net = rtnl_link_get_net(dev_net(dev), tb);
                 if (IS_ERR(net)) {
                         err = PTR_ERR(net);
@@ -1815,6 +1845,11 @@ static int rtnl_getlink(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
         return err;
 }
 
+static u16 rtnl_calcit(struct sk_buff *skb)
+{
+        return min_ifinfo_dump_size;
+}
+
 static int rtnl_dump_all(struct sk_buff *skb, struct netlink_callback *cb)
 {
         int idx;
@@ -1844,11 +1879,14 @@ void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change)
         struct net *net = dev_net(dev);
         struct sk_buff *skb;
         int err = -ENOBUFS;
+        size_t if_info_size;
 
-        skb = nlmsg_new(if_nlmsg_size(dev), GFP_KERNEL);
+        skb = nlmsg_new((if_info_size = if_nlmsg_size(dev)), GFP_KERNEL);
         if (skb == NULL)
                 goto errout;
 
+        min_ifinfo_dump_size = max_t(u16, if_info_size, min_ifinfo_dump_size);
+
         err = rtnl_fill_ifinfo(skb, dev, type, 0, 0, change, 0);
         if (err < 0) {
                 /* -EMSGSIZE implies BUG in if_nlmsg_size() */
@@ -1899,14 +1937,20 @@ static int rtnetlink_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
         if (kind == 2 && nlh->nlmsg_flags&NLM_F_DUMP) {
                 struct sock *rtnl;
                 rtnl_dumpit_func dumpit;
+                rtnl_calcit_func calcit;
+                u16 min_dump_alloc = 0;
 
                 dumpit = rtnl_get_dumpit(family, type);
                 if (dumpit == NULL)
                         return -EOPNOTSUPP;
+                calcit = rtnl_get_calcit(family, type);
+                if (calcit)
+                        min_dump_alloc = calcit(skb);
 
                 __rtnl_unlock();
                 rtnl = net->rtnl;
-                err = netlink_dump_start(rtnl, skb, nlh, dumpit, NULL);
+                err = netlink_dump_start(rtnl, skb, nlh, dumpit,
+                                         NULL, min_dump_alloc);
                 rtnl_lock();
                 return err;
         }
@@ -2016,12 +2060,13 @@ void __init rtnetlink_init(void)
         netlink_set_nonroot(NETLINK_ROUTE, NL_NONROOT_RECV);
         register_netdevice_notifier(&rtnetlink_dev_notifier);
 
-        rtnl_register(PF_UNSPEC, RTM_GETLINK, rtnl_getlink, rtnl_dump_ifinfo);
-        rtnl_register(PF_UNSPEC, RTM_SETLINK, rtnl_setlink, NULL);
-        rtnl_register(PF_UNSPEC, RTM_NEWLINK, rtnl_newlink, NULL);
-        rtnl_register(PF_UNSPEC, RTM_DELLINK, rtnl_dellink, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETLINK, rtnl_getlink,
+                      rtnl_dump_ifinfo, rtnl_calcit);
+        rtnl_register(PF_UNSPEC, RTM_SETLINK, rtnl_setlink, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_NEWLINK, rtnl_newlink, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_DELLINK, rtnl_dellink, NULL, NULL);
 
-        rtnl_register(PF_UNSPEC, RTM_GETADDR, NULL, rtnl_dump_all);
-        rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all);
+        rtnl_register(PF_UNSPEC, RTM_GETADDR, NULL, rtnl_dump_all, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETROUTE, NULL, rtnl_dump_all, NULL);
 }
 
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 46cbd28f40f9..d220119f13ab 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -329,6 +329,18 @@ static void skb_release_data(struct sk_buff *skb)
                                 put_page(skb_shinfo(skb)->frags[i].page);
                 }
 
+                /*
+                 * If skb buf is from userspace, we need to notify the caller
+                 * the lower device DMA has done;
+                 */
+                if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+                        struct ubuf_info *uarg;
+
+                        uarg = skb_shinfo(skb)->destructor_arg;
+                        if (uarg->callback)
+                                uarg->callback(uarg);
+                }
+
                 if (skb_has_frag_list(skb))
                         skb_drop_fraglist(skb);
 
@@ -481,6 +493,9 @@ bool skb_recycle_check(struct sk_buff *skb, int skb_size)
         if (irqs_disabled())
                 return false;
 
+        if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY)
+                return false;
+
         if (skb_is_nonlinear(skb) || skb->fclone != SKB_FCLONE_UNAVAILABLE)
                 return false;
 
@@ -596,6 +611,51 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src)
 }
 EXPORT_SYMBOL_GPL(skb_morph);
 
+/* skb frags copy userspace buffers to kernel */
+static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask)
+{
+        int i;
+        int num_frags = skb_shinfo(skb)->nr_frags;
+        struct page *page, *head = NULL;
+        struct ubuf_info *uarg = skb_shinfo(skb)->destructor_arg;
+
+        for (i = 0; i < num_frags; i++) {
+                u8 *vaddr;
+                skb_frag_t *f = &skb_shinfo(skb)->frags[i];
+
+                page = alloc_page(GFP_ATOMIC);
+                if (!page) {
+                        while (head) {
+                                struct page *next = (struct page *)head->private;
+                                put_page(head);
+                                head = next;
+                        }
+                        return -ENOMEM;
+                }
+                vaddr = kmap_skb_frag(&skb_shinfo(skb)->frags[i]);
+                memcpy(page_address(page),
+                       vaddr + f->page_offset, f->size);
+                kunmap_skb_frag(vaddr);
+                page->private = (unsigned long)head;
+                head = page;
+        }
+
+        /* skb frags release userspace buffers */
+        for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
+                put_page(skb_shinfo(skb)->frags[i].page);
+
+        uarg->callback(uarg);
+
+        /* skb frags point to kernel buffers */
+        for (i = skb_shinfo(skb)->nr_frags; i > 0; i--) {
+                skb_shinfo(skb)->frags[i - 1].page_offset = 0;
+                skb_shinfo(skb)->frags[i - 1].page = head;
+                head = (struct page *)head->private;
+        }
+        return 0;
+}
+
+
 /**
  *      skb_clone       -       duplicate an sk_buff
  *      @skb: buffer to clone
@@ -614,6 +674,12 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask)
 {
         struct sk_buff *n;
 
+        if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+                if (skb_copy_ubufs(skb, gfp_mask))
+                        return NULL;
+                skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
+        }
+
         n = skb + 1;
         if (skb->fclone == SKB_FCLONE_ORIG &&
             n->fclone == SKB_FCLONE_UNAVAILABLE) {
@@ -731,6 +797,13 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
         if (skb_shinfo(skb)->nr_frags) {
                 int i;
 
+                if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+                        if (skb_copy_ubufs(skb, gfp_mask)) {
+                                kfree(n);
+                                goto out;
+                        }
+                        skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
+                }
                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
                         skb_shinfo(n)->frags[i] = skb_shinfo(skb)->frags[i];
                         get_page(skb_shinfo(n)->frags[i].page);
@@ -788,7 +861,6 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
                 fastpath = true;
         else {
                 int delta = skb->nohdr ? (1 << SKB_DATAREF_SHIFT) + 1 : 1;
-
                 fastpath = atomic_read(&skb_shinfo(skb)->dataref) == delta;
         }
 
@@ -819,6 +891,12 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
         if (fastpath) {
                 kfree(skb->head);
         } else {
+                /* copy this zero copy skb frags */
+                if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) {
+                        if (skb_copy_ubufs(skb, gfp_mask))
+                                goto nofrags;
+                        skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY;
+                }
                 for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
                         get_page(skb_shinfo(skb)->frags[i].page);
 
@@ -853,6 +931,8 @@ adjust_others:
         atomic_set(&skb_shinfo(skb)->dataref, 1);
         return 0;
 
+nofrags:
+        kfree(data);
 nodata:
         return -ENOMEM;
 }
@@ -1354,6 +1434,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
                 }
                 start = end;
         }
+
         if (!len)
                 return 0;
 
diff --git a/net/core/sock.c b/net/core/sock.c
index 84d6de809352..bc745d00ea4d 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -128,6 +128,8 @@
 
 #include <linux/filter.h>
 
+#include <trace/events/sock.h>
+
 #ifdef CONFIG_INET
 #include <net/tcp.h>
 #endif
@@ -292,6 +294,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
         if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
             (unsigned)sk->sk_rcvbuf) {
                 atomic_inc(&sk->sk_drops);
+                trace_sock_rcvqueue_full(sk, skb);
                 return -ENOMEM;
         }
 
@@ -1736,6 +1739,8 @@ suppress_allocation:
                         return 1;
         }
 
+        trace_sock_exceed_buf_limit(sk, prot, allocated);
+
         /* Alas. Undo changes. */
         sk->sk_forward_alloc -= amt * SK_MEM_QUANTUM;
         atomic_long_sub(amt, prot->memory_allocated);
diff --git a/net/core/timestamping.c b/net/core/timestamping.c
index 7e7ca375d431..98a52640e7cd 100644
--- a/net/core/timestamping.c
+++ b/net/core/timestamping.c
@@ -68,6 +68,7 @@ void skb_clone_tx_timestamp(struct sk_buff *skb)
                 break;
         }
 }
+EXPORT_SYMBOL_GPL(skb_clone_tx_timestamp);
 
 void skb_complete_tx_timestamp(struct sk_buff *skb,
                                struct skb_shared_hwtstamps *hwtstamps)
@@ -121,6 +122,7 @@ bool skb_defer_rx_timestamp(struct sk_buff *skb)
 
         return false;
 }
+EXPORT_SYMBOL_GPL(skb_defer_rx_timestamp);
 
 void __init skb_timestamping_init(void)
 {
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index 3609eacaf4ce..3cb56af4e13c 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -1166,64 +1166,6 @@ err:
         return ret;
 }
 
-/* Handle IEEE 802.1Qaz SET commands. If any requested operation can not
- * be completed the entire msg is aborted and error value is returned.
- * No attempt is made to reconcile the case where only part of the
- * cmd can be completed.
- */
-static int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb,
-                          u32 pid, u32 seq, u16 flags)
-{
-        const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
-        struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1];
-        int err = -EOPNOTSUPP;
-
-        if (!ops)
-                goto err;
-
-        err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX,
-                               tb[DCB_ATTR_IEEE], dcbnl_ieee_policy);
-        if (err)
-                goto err;
-
-        if (ieee[DCB_ATTR_IEEE_ETS] && ops->ieee_setets) {
-                struct ieee_ets *ets = nla_data(ieee[DCB_ATTR_IEEE_ETS]);
-                err = ops->ieee_setets(netdev, ets);
-                if (err)
-                        goto err;
-        }
-
-        if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setpfc) {
-                struct ieee_pfc *pfc = nla_data(ieee[DCB_ATTR_IEEE_PFC]);
-                err = ops->ieee_setpfc(netdev, pfc);
-                if (err)
-                        goto err;
-        }
-
-        if (ieee[DCB_ATTR_IEEE_APP_TABLE]) {
-                struct nlattr *attr;
-                int rem;
-
-                nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) {
-                        struct dcb_app *app_data;
-                        if (nla_type(attr) != DCB_ATTR_IEEE_APP)
-                                continue;
-                        app_data = nla_data(attr);
-                        if (ops->ieee_setapp)
-                                err = ops->ieee_setapp(netdev, app_data);
-                        else
-                                err = dcb_setapp(netdev, app_data);
-                        if (err)
-                                goto err;
-                }
-        }
-
-err:
-        dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_SET, DCB_ATTR_IEEE,
-                    pid, seq, flags);
-        return err;
-}
-
 static int dcbnl_build_peer_app(struct net_device *netdev, struct sk_buff* skb,
                                 int app_nested_type, int app_info_type,
                                 int app_entry_type)
@@ -1279,29 +1221,13 @@ nla_put_failure:
 }
 
 /* Handle IEEE 802.1Qaz GET commands. */
-static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
-                          u32 pid, u32 seq, u16 flags)
+static int dcbnl_ieee_fill(struct sk_buff *skb, struct net_device *netdev)
 {
-        struct sk_buff *skb;
-        struct nlmsghdr *nlh;
-        struct dcbmsg *dcb;
         struct nlattr *ieee, *app;
         struct dcb_app_type *itr;
         const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
-        int err;
-
-        if (!ops)
-                return -EOPNOTSUPP;
-
-        skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
-        if (!skb)
-                return -ENOBUFS;
-
-        nlh = NLMSG_NEW(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
-
-        dcb = NLMSG_DATA(nlh);
-        dcb->dcb_family = AF_UNSPEC;
-        dcb->cmd = DCB_CMD_IEEE_GET;
+        int dcbx;
+        int err = -EMSGSIZE;
 
         NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name);
 
@@ -1338,6 +1264,12 @@ static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
                         }
                 }
         }
+
+        if (netdev->dcbnl_ops->getdcbx)
+                dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+        else
+                dcbx = -EOPNOTSUPP;
+
         spin_unlock(&dcb_lock);
         nla_nest_end(skb, app);
 
@@ -1366,16 +1298,413 @@ static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
         }
 
         nla_nest_end(skb, ieee);
-        nlmsg_end(skb, nlh);
+        if (dcbx >= 0) {
+                err = nla_put_u8(skb, DCB_ATTR_DCBX, dcbx);
+                if (err)
+                        goto nla_put_failure;
+        }
+
+        return 0;
 
-        return rtnl_unicast(skb, &init_net, pid);
 nla_put_failure:
-        nlmsg_cancel(skb, nlh);
-nlmsg_failure:
-        kfree_skb(skb);
-        return -1;
+        return err;
 }
 
+static int dcbnl_cee_pg_fill(struct sk_buff *skb, struct net_device *dev,
+                             int dir)
+{
+        u8 pgid, up_map, prio, tc_pct;
+        const struct dcbnl_rtnl_ops *ops = dev->dcbnl_ops;
+        int i = dir ? DCB_ATTR_CEE_TX_PG : DCB_ATTR_CEE_RX_PG;
+        struct nlattr *pg = nla_nest_start(skb, i);
+
+        if (!pg)
+                goto nla_put_failure;
+
+        for (i = DCB_PG_ATTR_TC_0; i <= DCB_PG_ATTR_TC_7; i++) {
+                struct nlattr *tc_nest = nla_nest_start(skb, i);
+
+                if (!tc_nest)
+                        goto nla_put_failure;
+
+                pgid = DCB_ATTR_VALUE_UNDEFINED;
+                prio = DCB_ATTR_VALUE_UNDEFINED;
+                tc_pct = DCB_ATTR_VALUE_UNDEFINED;
+                up_map = DCB_ATTR_VALUE_UNDEFINED;
+
+                if (!dir)
+                        ops->getpgtccfgrx(dev, i - DCB_PG_ATTR_TC_0,
+                                          &prio, &pgid, &tc_pct, &up_map);
+                else
+                        ops->getpgtccfgtx(dev, i - DCB_PG_ATTR_TC_0,
+                                          &prio, &pgid, &tc_pct, &up_map);
+
+                NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_PGID, pgid);
+                NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_UP_MAPPING, up_map);
+                NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_STRICT_PRIO, prio);
+                NLA_PUT_U8(skb, DCB_TC_ATTR_PARAM_BW_PCT, tc_pct);
+                nla_nest_end(skb, tc_nest);
+        }
+
+        for (i = DCB_PG_ATTR_BW_ID_0; i <= DCB_PG_ATTR_BW_ID_7; i++) {
+                tc_pct = DCB_ATTR_VALUE_UNDEFINED;
+
+                if (!dir)
+                        ops->getpgbwgcfgrx(dev, i - DCB_PG_ATTR_BW_ID_0,
+                                           &tc_pct);
+                else
+                        ops->getpgbwgcfgtx(dev, i - DCB_PG_ATTR_BW_ID_0,
+                                           &tc_pct);
+                NLA_PUT_U8(skb, i, tc_pct);
+        }
+        nla_nest_end(skb, pg);
+        return 0;
+
+nla_put_failure:
+        return -EMSGSIZE;
+}
+
+static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
+{
+        struct nlattr *cee, *app;
+        struct dcb_app_type *itr;
+        const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+        int dcbx, i, err = -EMSGSIZE;
+        u8 value;
+
+        NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name);
+
+        cee = nla_nest_start(skb, DCB_ATTR_CEE);
+        if (!cee)
+                goto nla_put_failure;
+
+        /* local pg */
+        if (ops->getpgtccfgtx && ops->getpgbwgcfgtx) {
+                err = dcbnl_cee_pg_fill(skb, netdev, 1);
+                if (err)
+                        goto nla_put_failure;
+        }
+
+        if (ops->getpgtccfgrx && ops->getpgbwgcfgrx) {
+                err = dcbnl_cee_pg_fill(skb, netdev, 0);
+                if (err)
+                        goto nla_put_failure;
+        }
+
+        /* local pfc */
+        if (ops->getpfccfg) {
+                struct nlattr *pfc_nest = nla_nest_start(skb, DCB_ATTR_CEE_PFC);
+
+                if (!pfc_nest)
+                        goto nla_put_failure;
+
+                for (i = DCB_PFC_UP_ATTR_0; i <= DCB_PFC_UP_ATTR_7; i++) {
+                        ops->getpfccfg(netdev, i - DCB_PFC_UP_ATTR_0, &value);
+                        NLA_PUT_U8(skb, i, value);
+                }
+                nla_nest_end(skb, pfc_nest);
+        }
+
+        /* local app */
+        spin_lock(&dcb_lock);
+        app = nla_nest_start(skb, DCB_ATTR_CEE_APP_TABLE);
+        if (!app)
+                goto dcb_unlock;
+
+        list_for_each_entry(itr, &dcb_app_list, list) {
+                if (strncmp(itr->name, netdev->name, IFNAMSIZ) == 0) {
+                        struct nlattr *app_nest = nla_nest_start(skb,
+                                                                 DCB_ATTR_APP);
+                        if (!app_nest)
+                                goto dcb_unlock;
+
+                        err = nla_put_u8(skb, DCB_APP_ATTR_IDTYPE,
+                                         itr->app.selector);
+                        if (err)
+                                goto dcb_unlock;
+
+                        err = nla_put_u16(skb, DCB_APP_ATTR_ID,
+                                          itr->app.protocol);
+                        if (err)
+                                goto dcb_unlock;
+
+                        err = nla_put_u8(skb, DCB_APP_ATTR_PRIORITY,
+                                         itr->app.priority);
+                        if (err)
+                                goto dcb_unlock;
+
+                        nla_nest_end(skb, app_nest);
+                }
+        }
+        nla_nest_end(skb, app);
+
+        if (netdev->dcbnl_ops->getdcbx)
+                dcbx = netdev->dcbnl_ops->getdcbx(netdev);
+        else
+                dcbx = -EOPNOTSUPP;
+
+        spin_unlock(&dcb_lock);
+
+        /* features flags */
+        if (ops->getfeatcfg) {
+                struct nlattr *feat = nla_nest_start(skb, DCB_ATTR_CEE_FEAT);
+                if (!feat)
+                        goto nla_put_failure;
+
+                for (i = DCB_FEATCFG_ATTR_ALL + 1; i <= DCB_FEATCFG_ATTR_MAX;
+                     i++)
+                        if (!ops->getfeatcfg(netdev, i, &value))
+                                NLA_PUT_U8(skb, i, value);
+
+                nla_nest_end(skb, feat);
+        }
+
+        /* peer info if available */
+        if (ops->cee_peer_getpg) {
+                struct cee_pg pg;
+                err = ops->cee_peer_getpg(netdev, &pg);
+                if (!err)
+                        NLA_PUT(skb, DCB_ATTR_CEE_PEER_PG, sizeof(pg), &pg);
+        }
+
+        if (ops->cee_peer_getpfc) {
+                struct cee_pfc pfc;
+                err = ops->cee_peer_getpfc(netdev, &pfc);
+                if (!err)
+                        NLA_PUT(skb, DCB_ATTR_CEE_PEER_PFC, sizeof(pfc), &pfc);
+        }
+
+        if (ops->peer_getappinfo && ops->peer_getapptable) {
+                err = dcbnl_build_peer_app(netdev, skb,
+                                           DCB_ATTR_CEE_PEER_APP_TABLE,
+                                           DCB_ATTR_CEE_PEER_APP_INFO,
+                                           DCB_ATTR_CEE_PEER_APP);
+                if (err)
+                        goto nla_put_failure;
+        }
+        nla_nest_end(skb, cee);
+
+        /* DCBX state */
+        if (dcbx >= 0) {
+                err = nla_put_u8(skb, DCB_ATTR_DCBX, dcbx);
+                if (err)
+                        goto nla_put_failure;
+        }
+        return 0;
+
+dcb_unlock:
+        spin_unlock(&dcb_lock);
+nla_put_failure:
+        return err;
+}
+
+static int dcbnl_notify(struct net_device *dev, int event, int cmd,
+                        u32 seq, u32 pid, int dcbx_ver)
+{
+        struct net *net = dev_net(dev);
+        struct sk_buff *skb;
+        struct nlmsghdr *nlh;
+        struct dcbmsg *dcb;
+        const struct dcbnl_rtnl_ops *ops = dev->dcbnl_ops;
+        int err;
+
+        if (!ops)
+                return -EOPNOTSUPP;
+
+        skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+        if (!skb)
+                return -ENOBUFS;
+
+        nlh = nlmsg_put(skb, pid, 0, event, sizeof(*dcb), 0);
+        if (nlh == NULL) {
+                nlmsg_free(skb);
+                return -EMSGSIZE;
+        }
+
+        dcb = NLMSG_DATA(nlh);
+        dcb->dcb_family = AF_UNSPEC;
+        dcb->cmd = cmd;
+
+        if (dcbx_ver == DCB_CAP_DCBX_VER_IEEE)
+                err = dcbnl_ieee_fill(skb, dev);
+        else
+                err = dcbnl_cee_fill(skb, dev);
+
+        if (err < 0) {
+                /* Report error to broadcast listeners */
+                nlmsg_cancel(skb, nlh);
+                kfree_skb(skb);
+                rtnl_set_sk_err(net, RTNLGRP_DCB, err);
+        } else {
+                /* End nlmsg and notify broadcast listeners */
+                nlmsg_end(skb, nlh);
+                rtnl_notify(skb, net, 0, RTNLGRP_DCB, NULL, GFP_KERNEL);
+        }
+
+        return err;
+}
+
+int dcbnl_ieee_notify(struct net_device *dev, int event, int cmd,
+                      u32 seq, u32 pid)
+{
+        return dcbnl_notify(dev, event, cmd, seq, pid, DCB_CAP_DCBX_VER_IEEE);
+}
+EXPORT_SYMBOL(dcbnl_ieee_notify);
+
+int dcbnl_cee_notify(struct net_device *dev, int event, int cmd,
+                     u32 seq, u32 pid)
+{
+        return dcbnl_notify(dev, event, cmd, seq, pid, DCB_CAP_DCBX_VER_CEE);
+}
+EXPORT_SYMBOL(dcbnl_cee_notify);
+
+/* Handle IEEE 802.1Qaz SET commands. If any requested operation can not
+ * be completed the entire msg is aborted and error value is returned.
+ * No attempt is made to reconcile the case where only part of the
+ * cmd can be completed.
+ */
+static int dcbnl_ieee_set(struct net_device *netdev, struct nlattr **tb,
+                          u32 pid, u32 seq, u16 flags)
+{
+        const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+        struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1];
+        int err = -EOPNOTSUPP;
+
+        if (!ops)
+                return err;
+
+        if (!tb[DCB_ATTR_IEEE])
+                return -EINVAL;
+
+        err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX,
+                               tb[DCB_ATTR_IEEE], dcbnl_ieee_policy);
+        if (err)
+                return err;
+
+        if (ieee[DCB_ATTR_IEEE_ETS] && ops->ieee_setets) {
+                struct ieee_ets *ets = nla_data(ieee[DCB_ATTR_IEEE_ETS]);
+                err = ops->ieee_setets(netdev, ets);
+                if (err)
+                        goto err;
+        }
+
+        if (ieee[DCB_ATTR_IEEE_PFC] && ops->ieee_setpfc) {
+                struct ieee_pfc *pfc = nla_data(ieee[DCB_ATTR_IEEE_PFC]);
+                err = ops->ieee_setpfc(netdev, pfc);
+                if (err)
+                        goto err;
+        }
+
+        if (ieee[DCB_ATTR_IEEE_APP_TABLE]) {
+                struct nlattr *attr;
+                int rem;
+
+                nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) {
+                        struct dcb_app *app_data;
+                        if (nla_type(attr) != DCB_ATTR_IEEE_APP)
+                                continue;
+                        app_data = nla_data(attr);
+                        if (ops->ieee_setapp)
+                                err = ops->ieee_setapp(netdev, app_data);
+                        else
+                                err = dcb_ieee_setapp(netdev, app_data);
+                        if (err)
+                                goto err;
+                }
+        }
+
+err:
+        dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_SET, DCB_ATTR_IEEE,
+                    pid, seq, flags);
+        dcbnl_ieee_notify(netdev, RTM_SETDCB, DCB_CMD_IEEE_SET, seq, 0);
+        return err;
+}
+
+static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb,
+                          u32 pid, u32 seq, u16 flags)
+{
+        struct net *net = dev_net(netdev);
+        struct sk_buff *skb;
+        struct nlmsghdr *nlh;
+        struct dcbmsg *dcb;
+        const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+        int err;
+
+        if (!ops)
+                return -EOPNOTSUPP;
+
+        skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+        if (!skb)
+                return -ENOBUFS;
+
+        nlh = nlmsg_put(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
+        if (nlh == NULL) {
+                nlmsg_free(skb);
+                return -EMSGSIZE;
+        }
+
+        dcb = NLMSG_DATA(nlh);
+        dcb->dcb_family = AF_UNSPEC;
+        dcb->cmd = DCB_CMD_IEEE_GET;
+
+        err = dcbnl_ieee_fill(skb, netdev);
+
+        if (err < 0) {
+                nlmsg_cancel(skb, nlh);
+                kfree_skb(skb);
+        } else {
+                nlmsg_end(skb, nlh);
+                err = rtnl_unicast(skb, net, pid);
+        }
+
+        return err;
+}
+
+static int dcbnl_ieee_del(struct net_device *netdev, struct nlattr **tb,
+                          u32 pid, u32 seq, u16 flags)
+{
+        const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
+        struct nlattr *ieee[DCB_ATTR_IEEE_MAX + 1];
+        int err = -EOPNOTSUPP;
+
+        if (!ops)
+                return -EOPNOTSUPP;
+
+        if (!tb[DCB_ATTR_IEEE])
+                return -EINVAL;
+
+        err = nla_parse_nested(ieee, DCB_ATTR_IEEE_MAX,
+                               tb[DCB_ATTR_IEEE], dcbnl_ieee_policy);
+        if (err)
+                return err;
+
+        if (ieee[DCB_ATTR_IEEE_APP_TABLE]) {
+                struct nlattr *attr;
+                int rem;
+
+                nla_for_each_nested(attr, ieee[DCB_ATTR_IEEE_APP_TABLE], rem) {
+                        struct dcb_app *app_data;
+
+                        if (nla_type(attr) != DCB_ATTR_IEEE_APP)
+                                continue;
+                        app_data = nla_data(attr);
+                        if (ops->ieee_delapp)
+                                err = ops->ieee_delapp(netdev, app_data);
+                        else
+                                err = dcb_ieee_delapp(netdev, app_data);
+                        if (err)
+                                goto err;
+                }
+        }
+
+err:
+        dcbnl_reply(err, RTM_SETDCB, DCB_CMD_IEEE_DEL, DCB_ATTR_IEEE,
+                    pid, seq, flags);
+        dcbnl_ieee_notify(netdev, RTM_SETDCB, DCB_CMD_IEEE_DEL, seq, 0);
+        return err;
+}
+
+
 /* DCBX configuration */
 static int dcbnl_getdcbx(struct net_device *netdev, struct nlattr **tb,
                          u32 pid, u32 seq, u16 flags)
@@ -1522,10 +1851,10 @@ err:
 static int dcbnl_cee_get(struct net_device *netdev, struct nlattr **tb,
                          u32 pid, u32 seq, u16 flags)
 {
+        struct net *net = dev_net(netdev);
         struct sk_buff *skb;
         struct nlmsghdr *nlh;
         struct dcbmsg *dcb;
-        struct nlattr *cee;
         const struct dcbnl_rtnl_ops *ops = netdev->dcbnl_ops;
         int err;
 
@@ -1536,51 +1865,26 @@ static int dcbnl_cee_get(struct net_device *netdev, struct nlattr **tb,
         if (!skb)
                 return -ENOBUFS;
 
-        nlh = NLMSG_NEW(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
+        nlh = nlmsg_put(skb, pid, seq, RTM_GETDCB, sizeof(*dcb), flags);
+        if (nlh == NULL) {
+                nlmsg_free(skb);
+                return -EMSGSIZE;
+        }
 
         dcb = NLMSG_DATA(nlh);
         dcb->dcb_family = AF_UNSPEC;
         dcb->cmd = DCB_CMD_CEE_GET;
 
-        NLA_PUT_STRING(skb, DCB_ATTR_IFNAME, netdev->name);
+        err = dcbnl_cee_fill(skb, netdev);
 
-        cee = nla_nest_start(skb, DCB_ATTR_CEE);
-        if (!cee)
-                goto nla_put_failure;
-
-        /* get peer info if available */
-        if (ops->cee_peer_getpg) {
-                struct cee_pg pg;
-                err = ops->cee_peer_getpg(netdev, &pg);
-                if (!err)
-                        NLA_PUT(skb, DCB_ATTR_CEE_PEER_PG, sizeof(pg), &pg);
-        }
-
-        if (ops->cee_peer_getpfc) {
-                struct cee_pfc pfc;
-                err = ops->cee_peer_getpfc(netdev, &pfc);
-                if (!err)
-                        NLA_PUT(skb, DCB_ATTR_CEE_PEER_PFC, sizeof(pfc), &pfc);
-        }
-
-        if (ops->peer_getappinfo && ops->peer_getapptable) {
-                err = dcbnl_build_peer_app(netdev, skb,
-                                           DCB_ATTR_CEE_PEER_APP_TABLE,
-                                           DCB_ATTR_CEE_PEER_APP_INFO,
-                                           DCB_ATTR_CEE_PEER_APP);
-                if (err)
-                        goto nla_put_failure;
+        if (err < 0) {
+                nlmsg_cancel(skb, nlh);
+                nlmsg_free(skb);
+        } else {
+                nlmsg_end(skb, nlh);
+                err = rtnl_unicast(skb, net, pid);
         }
-
-        nla_nest_end(skb, cee);
-        nlmsg_end(skb, nlh);
-
-        return rtnl_unicast(skb, &init_net, pid);
-nla_put_failure:
-        nlmsg_cancel(skb, nlh);
-nlmsg_failure:
-        kfree_skb(skb);
-        return -1;
+        return err;
 }
 
 static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
@@ -1690,11 +1994,15 @@ static int dcb_doit(struct sk_buff *skb, struct nlmsghdr *nlh, void *arg)
                 goto out;
         case DCB_CMD_IEEE_SET:
                 ret = dcbnl_ieee_set(netdev, tb, pid, nlh->nlmsg_seq,
-                                 nlh->nlmsg_flags);
+                                     nlh->nlmsg_flags);
                 goto out;
         case DCB_CMD_IEEE_GET:
                 ret = dcbnl_ieee_get(netdev, tb, pid, nlh->nlmsg_seq,
-                                 nlh->nlmsg_flags);
+                                     nlh->nlmsg_flags);
+                goto out;
+        case DCB_CMD_IEEE_DEL:
+                ret = dcbnl_ieee_del(netdev, tb, pid, nlh->nlmsg_seq,
+                                     nlh->nlmsg_flags);
                 goto out;
         case DCB_CMD_GDCBX:
                 ret = dcbnl_getdcbx(netdev, tb, pid, nlh->nlmsg_seq,
@@ -1754,12 +2062,13 @@ u8 dcb_getapp(struct net_device *dev, struct dcb_app *app)
 EXPORT_SYMBOL(dcb_getapp);
 
 /**
- * ixgbe_dcbnl_setapp - add dcb application data to app list
+ * dcb_setapp - add CEE dcb application data to app list
  *
- * Priority 0 is the default priority this removes applications
- * from the app list if the priority is set to zero.
+ * Priority 0 is an invalid priority in CEE spec. This routine
+ * removes applications from the app list if the priority is
+ * set to zero.
  */
-u8 dcb_setapp(struct net_device *dev, struct dcb_app *new)
+int dcb_setapp(struct net_device *dev, struct dcb_app *new)
 {
         struct dcb_app_type *itr;
         struct dcb_app_type event;
@@ -1802,6 +2111,114 @@ out:
 }
 EXPORT_SYMBOL(dcb_setapp);
 
+/**
+ * dcb_ieee_getapp_mask - retrieve the IEEE DCB application priority
+ *
+ * Helper routine which on success returns a non-zero 802.1Qaz user
+ * priority bitmap otherwise returns 0 to indicate the dcb_app was
+ * not found in APP list.
+ */
+u8 dcb_ieee_getapp_mask(struct net_device *dev, struct dcb_app *app)
+{
+        struct dcb_app_type *itr;
+        u8 prio = 0;
+
+        spin_lock(&dcb_lock);
+        list_for_each_entry(itr, &dcb_app_list, list) {
+                if (itr->app.selector == app->selector &&
+                    itr->app.protocol == app->protocol &&
+                    (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) {
+                        prio |= 1 << itr->app.priority;
+                }
+        }
+        spin_unlock(&dcb_lock);
+
+        return prio;
+}
+EXPORT_SYMBOL(dcb_ieee_getapp_mask);
+
+/**
+ * dcb_ieee_setapp - add IEEE dcb application data to app list
+ *
+ * This adds Application data to the list. Multiple application
+ * entries may exists for the same selector and protocol as long
+ * as the priorities are different.
+ */
+int dcb_ieee_setapp(struct net_device *dev, struct dcb_app *new)
+{
+        struct dcb_app_type *itr, *entry;
+        struct dcb_app_type event;
+        int err = 0;
+
+        memcpy(&event.name, dev->name, sizeof(event.name));
+        memcpy(&event.app, new, sizeof(event.app));
+
+        spin_lock(&dcb_lock);
+        /* Search for existing match and abort if found */
+        list_for_each_entry(itr, &dcb_app_list, list) {
+                if (itr->app.selector == new->selector &&
+                    itr->app.protocol == new->protocol &&
+                    itr->app.priority == new->priority &&
+                    (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) {
+                        err = -EEXIST;
+                        goto out;
+                }
+        }
+
+        /* App entry does not exist add new entry */
+        entry = kmalloc(sizeof(struct dcb_app_type), GFP_ATOMIC);
+        if (!entry) {
+                err = -ENOMEM;
+                goto out;
+        }
+
+        memcpy(&entry->app, new, sizeof(*new));
+        strncpy(entry->name, dev->name, IFNAMSIZ);
+        list_add(&entry->list, &dcb_app_list);
+out:
+        spin_unlock(&dcb_lock);
+        if (!err)
+                call_dcbevent_notifiers(DCB_APP_EVENT, &event);
+        return err;
+}
+EXPORT_SYMBOL(dcb_ieee_setapp);
+
+/**
+ * dcb_ieee_delapp - delete IEEE dcb application data from list
+ *
+ * This removes a matching APP data from the APP list
+ */
+int dcb_ieee_delapp(struct net_device *dev, struct dcb_app *del)
+{
+        struct dcb_app_type *itr;
+        struct dcb_app_type event;
+        int err = -ENOENT;
+
+        memcpy(&event.name, dev->name, sizeof(event.name));
+        memcpy(&event.app, del, sizeof(event.app));
+
+        spin_lock(&dcb_lock);
+        /* Search for existing match and remove it. */
+        list_for_each_entry(itr, &dcb_app_list, list) {
+                if (itr->app.selector == del->selector &&
+                    itr->app.protocol == del->protocol &&
+                    itr->app.priority == del->priority &&
+                    (strncmp(itr->name, dev->name, IFNAMSIZ) == 0)) {
+                        list_del(&itr->list);
+                        kfree(itr);
+                        err = 0;
+                        goto out;
+                }
+        }
+
+out:
+        spin_unlock(&dcb_lock);
+        if (!err)
+                call_dcbevent_notifiers(DCB_APP_EVENT, &event);
+        return err;
+}
+EXPORT_SYMBOL(dcb_ieee_delapp);
+
 static void dcb_flushapp(void)
 {
         struct dcb_app_type *app;
@@ -1819,8 +2236,8 @@ static int __init dcbnl_init(void)
 {
         INIT_LIST_HEAD(&dcb_app_list);
 
-        rtnl_register(PF_UNSPEC, RTM_GETDCB, dcb_doit, NULL);
-        rtnl_register(PF_UNSPEC, RTM_SETDCB, dcb_doit, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETDCB, dcb_doit, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_SETDCB, dcb_doit, NULL, NULL);
 
         return 0;
 }
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index 36479ca61e03..48b585a5cba7 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -118,7 +118,7 @@ static int ccid_activate(struct ccid_operations *ccid_ops)
         if (ccid_ops->ccid_hc_tx_slab == NULL)
                 goto out_free_rx_slab;
 
-        pr_info("CCID: Activated CCID %d (%s)\n",
+        pr_info("DCCP: Activated CCID %d (%s)\n",
                 ccid_ops->ccid_id, ccid_ops->ccid_name);
         err = 0;
 out:
@@ -136,7 +136,7 @@ static void ccid_deactivate(struct ccid_operations *ccid_ops)
         ccid_kmem_cache_destroy(ccid_ops->ccid_hc_rx_slab);
         ccid_ops->ccid_hc_rx_slab = NULL;
 
-        pr_info("CCID: Deactivated CCID %d (%s)\n",
+        pr_info("DCCP: Deactivated CCID %d (%s)\n",
                 ccid_ops->ccid_id, ccid_ops->ccid_name);
 }
 
diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c
index fadecd20d75b..0462040fc818 100644
--- a/net/dccp/ccids/ccid2.c
+++ b/net/dccp/ccids/ccid2.c
@@ -153,17 +153,93 @@ out:
         sock_put(sk);
 }
 
+/*
+ *      Congestion window validation (RFC 2861).
+ */
+static int ccid2_do_cwv = 1;
+module_param(ccid2_do_cwv, bool, 0644);
+MODULE_PARM_DESC(ccid2_do_cwv, "Perform RFC2861 Congestion Window Validation");
+
+/**
+ * ccid2_update_used_window  -  Track how much of cwnd is actually used
+ * This is done in addition to CWV. The sender needs to have an idea of how many
+ * packets may be in flight, to set the local Sequence Window value accordingly
+ * (RFC 4340, 7.5.2). The CWV mechanism is exploited to keep track of the
+ * maximum-used window. We use an EWMA low-pass filter to filter out noise.
+ */
+static void ccid2_update_used_window(struct ccid2_hc_tx_sock *hc, u32 new_wnd)
+{
+        hc->tx_expected_wnd = (3 * hc->tx_expected_wnd + new_wnd) / 4;
+}
+
+/* This borrows the code of tcp_cwnd_application_limited() */
+static void ccid2_cwnd_application_limited(struct sock *sk, const u32 now)
+{
+        struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
+        /* don't reduce cwnd below the initial window (IW) */
+        u32 init_win = rfc3390_bytes_to_packets(dccp_sk(sk)->dccps_mss_cache),
+            win_used = max(hc->tx_cwnd_used, init_win);
+
+        if (win_used < hc->tx_cwnd) {
+                hc->tx_ssthresh = max(hc->tx_ssthresh,
+                                     (hc->tx_cwnd >> 1) + (hc->tx_cwnd >> 2));
+                hc->tx_cwnd = (hc->tx_cwnd + win_used) >> 1;
+        }
+        hc->tx_cwnd_used  = 0;
+        hc->tx_cwnd_stamp = now;
+}
+
+/* This borrows the code of tcp_cwnd_restart() */
+static void ccid2_cwnd_restart(struct sock *sk, const u32 now)
+{
+        struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
+        u32 cwnd = hc->tx_cwnd, restart_cwnd,
+            iwnd = rfc3390_bytes_to_packets(dccp_sk(sk)->dccps_mss_cache);
+
+        hc->tx_ssthresh = max(hc->tx_ssthresh, (cwnd >> 1) + (cwnd >> 2));
+
+        /* don't reduce cwnd below the initial window (IW) */
+        restart_cwnd = min(cwnd, iwnd);
+        cwnd >>= (now - hc->tx_lsndtime) / hc->tx_rto;
+        hc->tx_cwnd = max(cwnd, restart_cwnd);
+
+        hc->tx_cwnd_stamp = now;
+        hc->tx_cwnd_used  = 0;
+}
+
 static void ccid2_hc_tx_packet_sent(struct sock *sk, unsigned int len)
 {
         struct dccp_sock *dp = dccp_sk(sk);
         struct ccid2_hc_tx_sock *hc = ccid2_hc_tx_sk(sk);
+        const u32 now = ccid2_time_stamp;
         struct ccid2_seq *next;
 
-        hc->tx_pipe++;
+        /* slow-start after idle periods (RFC 2581, RFC 2861) */
+        if (ccid2_do_cwv && !hc->tx_pipe &&
+            (s32)(now - hc->tx_lsndtime) >= hc->tx_rto)
+                ccid2_cwnd_restart(sk, now);
+
+        hc->tx_lsndtime = now;
+        hc->tx_pipe    += 1;
+
+        /* see whether cwnd was fully used (RFC 2861), update expected window */
+        if (ccid2_cwnd_network_limited(hc)) {
+                ccid2_update_used_window(hc, hc->tx_cwnd);
+                hc->tx_cwnd_used  = 0;
+                hc->tx_cwnd_stamp = now;
+        } else {
+                if (hc->tx_pipe > hc->tx_cwnd_used)
+                        hc->tx_cwnd_used = hc->tx_pipe;
+
+                ccid2_update_used_window(hc, hc->tx_cwnd_used);
+
+                if (ccid2_do_cwv && (s32)(now - hc->tx_cwnd_stamp) >= hc->tx_rto)
+                        ccid2_cwnd_application_limited(sk, now);
+        }
 
         hc->tx_seqh->ccid2s_seq   = dp->dccps_gss;
         hc->tx_seqh->ccid2s_acked = 0;
-        hc->tx_seqh->ccid2s_sent  = ccid2_time_stamp;
+        hc->tx_seqh->ccid2s_sent  = now;
 
         next = hc->tx_seqh->ccid2s_next;
         /* check if we need to alloc more space */
@@ -583,15 +659,6 @@ done:
         dccp_ackvec_parsed_cleanup(&hc->tx_av_chunks);
 }
 
-/*
- * Convert RFC 3390 larger initial window into an equivalent number of packets.
- * This is based on the numbers specified in RFC 5681, 3.1.
- */
-static inline u32 rfc3390_bytes_to_packets(const u32 smss)
-{
-        return smss <= 1095 ? 4 : (smss > 2190 ? 2 : 3);
-}
-
 static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
 {
         struct ccid2_hc_tx_sock *hc = ccid_priv(ccid);
@@ -603,6 +670,7 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
 
         /* Use larger initial windows (RFC 4341, section 5). */
         hc->tx_cwnd = rfc3390_bytes_to_packets(dp->dccps_mss_cache);
+        hc->tx_expected_wnd = hc->tx_cwnd;
 
         /* Make sure that Ack Ratio is enabled and within bounds. */
         max_ratio = DIV_ROUND_UP(hc->tx_cwnd, 2);
@@ -615,7 +683,8 @@ static int ccid2_hc_tx_init(struct ccid *ccid, struct sock *sk)
 
         hc->tx_rto       = DCCP_TIMEOUT_INIT;
         hc->tx_rpdupack  = -1;
-        hc->tx_last_cong = ccid2_time_stamp;
+        hc->tx_last_cong = hc->tx_lsndtime = hc->tx_cwnd_stamp = ccid2_time_stamp;
+        hc->tx_cwnd_used = 0;
         setup_timer(&hc->tx_rtotimer, ccid2_hc_tx_rto_expire,
                         (unsigned long)sk);
         INIT_LIST_HEAD(&hc->tx_av_chunks);
@@ -636,18 +705,14 @@ static void ccid2_hc_tx_exit(struct sock *sk)
 
 static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb)
 {
-        const struct dccp_sock *dp = dccp_sk(sk);
         struct ccid2_hc_rx_sock *hc = ccid2_hc_rx_sk(sk);
 
-        switch (DCCP_SKB_CB(skb)->dccpd_type) {
-        case DCCP_PKT_DATA:
-        case DCCP_PKT_DATAACK:
-                hc->rx_data++;
-                if (hc->rx_data >= dp->dccps_r_ack_ratio) {
-                        dccp_send_ack(sk);
-                        hc->rx_data = 0;
-                }
-                break;
+        if (!dccp_data_packet(skb))
+                return;
+
+        if (++hc->rx_num_data_pkts >= dccp_sk(sk)->dccps_r_ack_ratio) {
+                dccp_send_ack(sk);
+                hc->rx_num_data_pkts = 0;
         }
 }
 
diff --git a/net/dccp/ccids/ccid2.h b/net/dccp/ccids/ccid2.h
index e9985dafc2c7..f585d330e1e5 100644
--- a/net/dccp/ccids/ccid2.h
+++ b/net/dccp/ccids/ccid2.h
@@ -53,6 +53,10 @@ struct ccid2_seq {
  * @tx_rttvar:               moving average/maximum of @mdev_max
  * @tx_rto:                  RTO value deriving from SRTT and RTTVAR (RFC 2988)
  * @tx_rtt_seq:              to decay RTTVAR at most once per flight
+ * @tx_cwnd_used:            actually used cwnd, W_used of RFC 2861
+ * @tx_expected_wnd:         moving average of @tx_cwnd_used
+ * @tx_cwnd_stamp:           to track idle periods in CWV
+ * @tx_lsndtime:             last time (in jiffies) a data packet was sent
  * @tx_rpseq:                last consecutive seqno
  * @tx_rpdupack:             dupacks since rpseq
  * @tx_av_chunks:            list of Ack Vectors received on current skb
@@ -76,6 +80,12 @@ struct ccid2_hc_tx_sock {
         u64                     tx_rtt_seq:48;
         struct timer_list       tx_rtotimer;
 
+        /* Congestion Window validation (optional, RFC 2861) */
+        u32                     tx_cwnd_used,
+                                tx_expected_wnd,
+                                tx_cwnd_stamp,
+                                tx_lsndtime;
+
         u64                     tx_rpseq;
         int                     tx_rpdupack;
         u32                     tx_last_cong;
@@ -88,8 +98,21 @@ static inline bool ccid2_cwnd_network_limited(struct ccid2_hc_tx_sock *hc)
         return hc->tx_pipe >= hc->tx_cwnd;
 }
 
+/*
+ * Convert RFC 3390 larger initial window into an equivalent number of packets.
+ * This is based on the numbers specified in RFC 5681, 3.1.
+ */
+static inline u32 rfc3390_bytes_to_packets(const u32 smss)
+{
+        return smss <= 1095 ? 4 : (smss > 2190 ? 2 : 3);
+}
+
+/**
+ * struct ccid2_hc_rx_sock  -  Receiving end of CCID-2 half-connection
+ * @rx_num_data_pkts: number of data packets received since last feedback
+ */
 struct ccid2_hc_rx_sock {
-        int     rx_data;
+        u32     rx_num_data_pkts;
 };
 
 static inline struct ccid2_hc_tx_sock *ccid2_hc_tx_sk(const struct sock *sk)
diff --git a/net/dccp/input.c b/net/dccp/input.c
index 4222e7a654b0..51d5fe5fffba 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -619,20 +619,31 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
                 return 1;
         }
 
-        if (sk->sk_state != DCCP_REQUESTING && sk->sk_state != DCCP_RESPOND) {
-                if (dccp_check_seqno(sk, skb))
-                        goto discard;
-
-                /*
-                 * Step 8: Process options and mark acknowledgeable
-                 */
-                if (dccp_parse_options(sk, NULL, skb))
-                        return 1;
+        /* Step 6: Check sequence numbers (omitted in LISTEN/REQUEST state) */
+        if (sk->sk_state != DCCP_REQUESTING && dccp_check_seqno(sk, skb))
+                goto discard;
 
-                dccp_handle_ackvec_processing(sk, skb);
-                dccp_deliver_input_to_ccids(sk, skb);
+        /*
+         *   Step 7: Check for unexpected packet types
+         *      If (S.is_server and P.type == Response)
+         *          or (S.is_client and P.type == Request)
+         *          or (S.state == RESPOND and P.type == Data),
+         *        Send Sync packet acknowledging P.seqno
+         *        Drop packet and return
+         */
+        if ((dp->dccps_role != DCCP_ROLE_CLIENT &&
+             dh->dccph_type == DCCP_PKT_RESPONSE) ||
+            (dp->dccps_role == DCCP_ROLE_CLIENT &&
+             dh->dccph_type == DCCP_PKT_REQUEST) ||
+            (sk->sk_state == DCCP_RESPOND && dh->dccph_type == DCCP_PKT_DATA)) {
+                dccp_send_sync(sk, dcb->dccpd_seq, DCCP_PKT_SYNC);
+                goto discard;
         }
 
+        /*  Step 8: Process options */
+        if (dccp_parse_options(sk, NULL, skb))
+                return 1;
+
         /*
          *  Step 9: Process Reset
          *      If P.type == Reset,
@@ -640,31 +651,15 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
          *              S.state := TIMEWAIT
          *              Set TIMEWAIT timer
          *              Drop packet and return
-        */
+         */
         if (dh->dccph_type == DCCP_PKT_RESET) {
                 dccp_rcv_reset(sk, skb);
                 return 0;
-                /*
-                 *   Step 7: Check for unexpected packet types
-                 *      If (S.is_server and P.type == Response)
-                 *          or (S.is_client and P.type == Request)
-                 *          or (S.state == RESPOND and P.type == Data),
-                 *        Send Sync packet acknowledging P.seqno
-                 *        Drop packet and return
-                 */
-        } else if ((dp->dccps_role != DCCP_ROLE_CLIENT &&
-                    dh->dccph_type == DCCP_PKT_RESPONSE) ||
-                    (dp->dccps_role == DCCP_ROLE_CLIENT &&
-                     dh->dccph_type == DCCP_PKT_REQUEST) ||
-                    (sk->sk_state == DCCP_RESPOND &&
-                     dh->dccph_type == DCCP_PKT_DATA)) {
-                dccp_send_sync(sk, dcb->dccpd_seq, DCCP_PKT_SYNC);
-                goto discard;
-        } else if (dh->dccph_type == DCCP_PKT_CLOSEREQ) {
+        } else if (dh->dccph_type == DCCP_PKT_CLOSEREQ) {       /* Step 13 */
                 if (dccp_rcv_closereq(sk, skb))
                         return 0;
                 goto discard;
-        } else if (dh->dccph_type == DCCP_PKT_CLOSE) {
+        } else if (dh->dccph_type == DCCP_PKT_CLOSE) {          /* Step 14 */
                 if (dccp_rcv_close(sk, skb))
                         return 0;
                 goto discard;
@@ -679,8 +674,12 @@ int dccp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
                 __kfree_skb(skb);
                 return 0;
 
-        case DCCP_RESPOND:
         case DCCP_PARTOPEN:
+                /* Step 8: if using Ack Vectors, mark packet acknowledgeable */
+                dccp_handle_ackvec_processing(sk, skb);
+                dccp_deliver_input_to_ccids(sk, skb);
+                /* fall through */
+        case DCCP_RESPOND:
                 queued = dccp_rcv_respond_partopen_state_process(sk, skb,
                                                                  dh, len);
                 break;
diff --git a/net/dccp/output.c b/net/dccp/output.c
index fab108e51e5a..dede3edb8849 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -27,11 +27,13 @@ static inline void dccp_event_ack_sent(struct sock *sk)
         inet_csk_clear_xmit_timer(sk, ICSK_TIME_DACK);
 }
 
-static void dccp_skb_entail(struct sock *sk, struct sk_buff *skb)
+/* enqueue @skb on sk_send_head for retransmission, return clone to send now */
+static struct sk_buff *dccp_skb_entail(struct sock *sk, struct sk_buff *skb)
 {
         skb_set_owner_w(skb, sk);
         WARN_ON(sk->sk_send_head);
         sk->sk_send_head = skb;
+        return skb_clone(sk->sk_send_head, gfp_any());
 }
 
 /*
@@ -552,8 +554,7 @@ int dccp_connect(struct sock *sk)
 
         DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_REQUEST;
 
-        dccp_skb_entail(sk, skb);
-        dccp_transmit_skb(sk, skb_clone(skb, GFP_KERNEL));
+        dccp_transmit_skb(sk, dccp_skb_entail(sk, skb));
         DCCP_INC_STATS(DCCP_MIB_ACTIVEOPENS);
 
         /* Timer for repeating the REQUEST until an answer. */
@@ -678,8 +679,7 @@ void dccp_send_close(struct sock *sk, const int active)
                 DCCP_SKB_CB(skb)->dccpd_type = DCCP_PKT_CLOSE;
 
         if (active) {
-                dccp_skb_entail(sk, skb);
-                dccp_transmit_skb(sk, skb_clone(skb, prio));
+                skb = dccp_skb_entail(sk, skb);
                 /*
                  * Retransmission timer for active-close: RFC 4340, 8.3 requires
                  * to retransmit the Close/CloseReq until the CLOSING/CLOSEREQ
@@ -692,6 +692,6 @@ void dccp_send_close(struct sock *sk, const int active)
                  */
                 inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS,
                                           DCCP_TIMEOUT_INIT, DCCP_RTO_MAX);
-        } else
-                dccp_transmit_skb(sk, skb);
+        }
+        dccp_transmit_skb(sk, skb);
 }
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index ea3b6ee21fc9..19acd00a6382 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -291,23 +291,23 @@ int dn_sockaddr2username(struct sockaddr_dn *sdn, unsigned char *buf, unsigned c
 
         *buf++ = type;
 
-        switch(type) {
-                case 0:
-                        *buf++ = sdn->sdn_objnum;
-                        break;
-                case 1:
-                        *buf++ = 0;
-                        *buf++ = le16_to_cpu(sdn->sdn_objnamel);
-                        memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
-                        len = 3 + le16_to_cpu(sdn->sdn_objnamel);
-                        break;
-                case 2:
-                        memset(buf, 0, 5);
-                        buf += 5;
-                        *buf++ = le16_to_cpu(sdn->sdn_objnamel);
-                        memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
-                        len = 7 + le16_to_cpu(sdn->sdn_objnamel);
-                        break;
+        switch (type) {
+        case 0:
+                *buf++ = sdn->sdn_objnum;
+                break;
+        case 1:
+                *buf++ = 0;
+                *buf++ = le16_to_cpu(sdn->sdn_objnamel);
+                memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
+                len = 3 + le16_to_cpu(sdn->sdn_objnamel);
+                break;
+        case 2:
+                memset(buf, 0, 5);
+                buf += 5;
+                *buf++ = le16_to_cpu(sdn->sdn_objnamel);
+                memcpy(buf, sdn->sdn_objname, le16_to_cpu(sdn->sdn_objnamel));
+                len = 7 + le16_to_cpu(sdn->sdn_objnamel);
+                break;
         }
 
         return len;
@@ -337,23 +337,23 @@ int dn_username2sockaddr(unsigned char *data, int len, struct sockaddr_dn *sdn,
         *fmt = *data++;
         type = *data++;
 
-        switch(*fmt) {
-                case 0:
-                        sdn->sdn_objnum = type;
-                        return 2;
-                case 1:
-                        namel = 16;
-                        break;
-                case 2:
-                        len  -= 4;
-                        data += 4;
-                        break;
-                case 4:
-                        len  -= 8;
-                        data += 8;
-                        break;
-                default:
-                        return -1;
+        switch (*fmt) {
+        case 0:
+                sdn->sdn_objnum = type;
+                return 2;
+        case 1:
+                namel = 16;
+                break;
+        case 2:
+                len  -= 4;
+                data += 4;
+                break;
+        case 4:
+                len  -= 8;
+                data += 8;
+                break;
+        default:
+                return -1;
         }
 
         len -= 1;
@@ -575,25 +575,26 @@ int dn_destroy_timer(struct sock *sk)
 
         scp->persist = dn_nsp_persist(sk);
 
-        switch(scp->state) {
-                case DN_DI:
-                        dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
-                        if (scp->nsp_rxtshift >= decnet_di_count)
-                                scp->state = DN_CN;
-                        return 0;
+        switch (scp->state) {
+        case DN_DI:
+                dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
+                if (scp->nsp_rxtshift >= decnet_di_count)
+                        scp->state = DN_CN;
+                return 0;
 
-                case DN_DR:
-                        dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
-                        if (scp->nsp_rxtshift >= decnet_dr_count)
-                                scp->state = DN_DRC;
-                        return 0;
+        case DN_DR:
+                dn_nsp_send_disc(sk, NSP_DISCINIT, 0, GFP_ATOMIC);
+                if (scp->nsp_rxtshift >= decnet_dr_count)
+                        scp->state = DN_DRC;
+                return 0;
 
-                case DN_DN:
-                        if (scp->nsp_rxtshift < decnet_dn_count) {
-                                /* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */
-                                dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC, GFP_ATOMIC);
-                                return 0;
-                        }
+        case DN_DN:
+                if (scp->nsp_rxtshift < decnet_dn_count) {
+                        /* printk(KERN_DEBUG "dn_destroy_timer: DN\n"); */
+                        dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
+                                         GFP_ATOMIC);
+                        return 0;
+                }
         }
 
         scp->persist = (HZ * decnet_time_wait);
@@ -623,42 +624,42 @@ static void dn_destroy_sock(struct sock *sk)
 
         sk->sk_state = TCP_CLOSE;
 
-        switch(scp->state) {
-                case DN_DN:
-                        dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
-                                         sk->sk_allocation);
-                        scp->persist_fxn = dn_destroy_timer;
-                        scp->persist = dn_nsp_persist(sk);
-                        break;
-                case DN_CR:
-                        scp->state = DN_DR;
-                        goto disc_reject;
-                case DN_RUN:
-                        scp->state = DN_DI;
-                case DN_DI:
-                case DN_DR:
+        switch (scp->state) {
+        case DN_DN:
+                dn_nsp_send_disc(sk, NSP_DISCCONF, NSP_REASON_DC,
+                                 sk->sk_allocation);
+                scp->persist_fxn = dn_destroy_timer;
+                scp->persist = dn_nsp_persist(sk);
+                break;
+        case DN_CR:
+                scp->state = DN_DR;
+                goto disc_reject;
+        case DN_RUN:
+                scp->state = DN_DI;
+        case DN_DI:
+        case DN_DR:
 disc_reject:
-                        dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
-                case DN_NC:
-                case DN_NR:
-                case DN_RJ:
-                case DN_DIC:
-                case DN_CN:
-                case DN_DRC:
-                case DN_CI:
-                case DN_CD:
-                        scp->persist_fxn = dn_destroy_timer;
-                        scp->persist = dn_nsp_persist(sk);
-                        break;
-                default:
-                        printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
-                case DN_O:
-                        dn_stop_slow_timer(sk);
+                dn_nsp_send_disc(sk, NSP_DISCINIT, 0, sk->sk_allocation);
+        case DN_NC:
+        case DN_NR:
+        case DN_RJ:
+        case DN_DIC:
+        case DN_CN:
+        case DN_DRC:
+        case DN_CI:
+        case DN_CD:
+                scp->persist_fxn = dn_destroy_timer;
+                scp->persist = dn_nsp_persist(sk);
+                break;
+        default:
+                printk(KERN_DEBUG "DECnet: dn_destroy_sock passed socket in invalid state\n");
+        case DN_O:
+                dn_stop_slow_timer(sk);
 
-                        dn_unhash_sock_bh(sk);
-                        sock_put(sk);
+                dn_unhash_sock_bh(sk);
+                sock_put(sk);
 
-                        break;
+                break;
         }
 }
 
@@ -683,15 +684,15 @@ static int dn_create(struct net *net, struct socket *sock, int protocol,
         if (!net_eq(net, &init_net))
                 return -EAFNOSUPPORT;
 
-        switch(sock->type) {
-                case SOCK_SEQPACKET:
-                        if (protocol != DNPROTO_NSP)
-                                return -EPROTONOSUPPORT;
-                        break;
-                case SOCK_STREAM:
-                        break;
-                default:
-                        return -ESOCKTNOSUPPORT;
+        switch (sock->type) {
+        case SOCK_SEQPACKET:
+                if (protocol != DNPROTO_NSP)
+                        return -EPROTONOSUPPORT;
+                break;
+        case SOCK_STREAM:
+                break;
+        default:
+                return -ESOCKTNOSUPPORT;
         }
 
 
@@ -987,16 +988,16 @@ static inline int dn_check_state(struct sock *sk, struct sockaddr_dn *addr, int
 {
         struct dn_scp *scp = DN_SK(sk);
 
-        switch(scp->state) {
-                case DN_RUN:
-                        return 0;
-                case DN_CR:
-                        return dn_confirm_accept(sk, timeo, sk->sk_allocation);
-                case DN_CI:
-                case DN_CC:
-                        return dn_wait_run(sk, timeo);
-                case DN_O:
-                        return __dn_connect(sk, addr, addrlen, timeo, flags);
+        switch (scp->state) {
+        case DN_RUN:
+                return 0;
+        case DN_CR:
+                return dn_confirm_accept(sk, timeo, sk->sk_allocation);
+        case DN_CI:
+        case DN_CC:
+                return dn_wait_run(sk, timeo);
+        case DN_O:
+                return __dn_connect(sk, addr, addrlen, timeo, flags);
         }
 
         return -EINVAL;
@@ -1363,141 +1364,140 @@ static int __dn_setsockopt(struct socket *sock, int level,int optname, char __us
         if (copy_from_user(&u, optval, optlen))
                 return -EFAULT;
 
-        switch(optname) {
-                case DSO_CONDATA:
-                        if (sock->state == SS_CONNECTED)
-                                return -EISCONN;
-                        if ((scp->state != DN_O) && (scp->state != DN_CR))
-                                return -EINVAL;
+        switch (optname) {
+        case DSO_CONDATA:
+                if (sock->state == SS_CONNECTED)
+                        return -EISCONN;
+                if ((scp->state != DN_O) && (scp->state != DN_CR))
+                        return -EINVAL;
 
-                        if (optlen != sizeof(struct optdata_dn))
-                                return -EINVAL;
+                if (optlen != sizeof(struct optdata_dn))
+                        return -EINVAL;
 
-                        if (le16_to_cpu(u.opt.opt_optl) > 16)
-                                return -EINVAL;
+                if (le16_to_cpu(u.opt.opt_optl) > 16)
+                        return -EINVAL;
 
-                        memcpy(&scp->conndata_out, &u.opt, optlen);
-                        break;
-
-                case DSO_DISDATA:
-                        if (sock->state != SS_CONNECTED && scp->accept_mode == ACC_IMMED)
-                                return -ENOTCONN;
-
-                        if (optlen != sizeof(struct optdata_dn))
-                                return -EINVAL;
+                memcpy(&scp->conndata_out, &u.opt, optlen);
+                break;
 
-                        if (le16_to_cpu(u.opt.opt_optl) > 16)
-                                return -EINVAL;
+        case DSO_DISDATA:
+                if (sock->state != SS_CONNECTED &&
+                    scp->accept_mode == ACC_IMMED)
+                        return -ENOTCONN;
 
-                        memcpy(&scp->discdata_out, &u.opt, optlen);
-                        break;
+                if (optlen != sizeof(struct optdata_dn))
+                        return -EINVAL;
 
-                case DSO_CONACCESS:
-                        if (sock->state == SS_CONNECTED)
-                                return -EISCONN;
-                        if (scp->state != DN_O)
-                                return -EINVAL;
+                if (le16_to_cpu(u.opt.opt_optl) > 16)
+                        return -EINVAL;
 
-                        if (optlen != sizeof(struct accessdata_dn))
-                                return -EINVAL;
+                memcpy(&scp->discdata_out, &u.opt, optlen);
+                break;
 
-                        if ((u.acc.acc_accl > DN_MAXACCL) ||
-                                        (u.acc.acc_passl > DN_MAXACCL) ||
-                                        (u.acc.acc_userl > DN_MAXACCL))
-                                return -EINVAL;
+        case DSO_CONACCESS:
+                if (sock->state == SS_CONNECTED)
+                        return -EISCONN;
+                if (scp->state != DN_O)
+                        return -EINVAL;
 
-                        memcpy(&scp->accessdata, &u.acc, optlen);
-                        break;
+                if (optlen != sizeof(struct accessdata_dn))
+                        return -EINVAL;
 
-                case DSO_ACCEPTMODE:
-                        if (sock->state == SS_CONNECTED)
-                                return -EISCONN;
-                        if (scp->state != DN_O)
-                                return -EINVAL;
+                if ((u.acc.acc_accl > DN_MAXACCL) ||
+                    (u.acc.acc_passl > DN_MAXACCL) ||
+                    (u.acc.acc_userl > DN_MAXACCL))
+                        return -EINVAL;
 
-                        if (optlen != sizeof(int))
-                                return -EINVAL;
+                memcpy(&scp->accessdata, &u.acc, optlen);
+                break;
 
-                        if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER))
-                                return -EINVAL;
+        case DSO_ACCEPTMODE:
+                if (sock->state == SS_CONNECTED)
+                        return -EISCONN;
+                if (scp->state != DN_O)
+                        return -EINVAL;
 
-                        scp->accept_mode = (unsigned char)u.mode;
-                        break;
+                if (optlen != sizeof(int))
+                        return -EINVAL;
 
-                case DSO_CONACCEPT:
+                if ((u.mode != ACC_IMMED) && (u.mode != ACC_DEFER))
+                        return -EINVAL;
 
-                        if (scp->state != DN_CR)
-                                return -EINVAL;
-                        timeo = sock_rcvtimeo(sk, 0);
-                        err = dn_confirm_accept(sk, &timeo, sk->sk_allocation);
-                        return err;
+                scp->accept_mode = (unsigned char)u.mode;
+                break;
 
-                case DSO_CONREJECT:
+        case DSO_CONACCEPT:
+                if (scp->state != DN_CR)
+                        return -EINVAL;
+                timeo = sock_rcvtimeo(sk, 0);
+                err = dn_confirm_accept(sk, &timeo, sk->sk_allocation);
+                return err;
 
-                        if (scp->state != DN_CR)
-                                return -EINVAL;
+        case DSO_CONREJECT:
+                if (scp->state != DN_CR)
+                        return -EINVAL;
 
-                        scp->state = DN_DR;
-                        sk->sk_shutdown = SHUTDOWN_MASK;
-                        dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation);
-                        break;
+                scp->state = DN_DR;
+                sk->sk_shutdown = SHUTDOWN_MASK;
+                dn_nsp_send_disc(sk, 0x38, 0, sk->sk_allocation);
+                break;
 
-                default:
+        default:
 #ifdef CONFIG_NETFILTER
                 return nf_setsockopt(sk, PF_DECnet, optname, optval, optlen);
 #endif
-                case DSO_LINKINFO:
-                case DSO_STREAM:
-                case DSO_SEQPACKET:
-                        return -ENOPROTOOPT;
-
-                case DSO_MAXWINDOW:
-                        if (optlen != sizeof(unsigned long))
-                                return -EINVAL;
-                        if (u.win > NSP_MAX_WINDOW)
-                                u.win = NSP_MAX_WINDOW;
-                        if (u.win == 0)
-                                return -EINVAL;
-                        scp->max_window = u.win;
-                        if (scp->snd_window > u.win)
-                                scp->snd_window = u.win;
-                        break;
+        case DSO_LINKINFO:
+        case DSO_STREAM:
+        case DSO_SEQPACKET:
+                return -ENOPROTOOPT;
+
+        case DSO_MAXWINDOW:
+                if (optlen != sizeof(unsigned long))
+                        return -EINVAL;
+                if (u.win > NSP_MAX_WINDOW)
+                        u.win = NSP_MAX_WINDOW;
+                if (u.win == 0)
+                        return -EINVAL;
+                scp->max_window = u.win;
+                if (scp->snd_window > u.win)
+                        scp->snd_window = u.win;
+                break;
 
-                case DSO_NODELAY:
-                        if (optlen != sizeof(int))
-                                return -EINVAL;
-                        if (scp->nonagle == 2)
-                                return -EINVAL;
-                        scp->nonagle = (u.val == 0) ? 0 : 1;
-                        /* if (scp->nonagle == 1) { Push pending frames } */
-                        break;
+        case DSO_NODELAY:
+                if (optlen != sizeof(int))
+                        return -EINVAL;
+                if (scp->nonagle == 2)
+                        return -EINVAL;
+                scp->nonagle = (u.val == 0) ? 0 : 1;
+                /* if (scp->nonagle == 1) { Push pending frames } */
+                break;
 
-                case DSO_CORK:
-                        if (optlen != sizeof(int))
-                                return -EINVAL;
-                        if (scp->nonagle == 1)
-                                return -EINVAL;
-                        scp->nonagle = (u.val == 0) ? 0 : 2;
-                        /* if (scp->nonagle == 0) { Push pending frames } */
-                        break;
+        case DSO_CORK:
+                if (optlen != sizeof(int))
+                        return -EINVAL;
+                if (scp->nonagle == 1)
+                        return -EINVAL;
+                scp->nonagle = (u.val == 0) ? 0 : 2;
+                /* if (scp->nonagle == 0) { Push pending frames } */
+                break;
 
-                case DSO_SERVICES:
-                        if (optlen != sizeof(unsigned char))
-                                return -EINVAL;
-                        if ((u.services & ~NSP_FC_MASK) != 0x01)
-                                return -EINVAL;
-                        if ((u.services & NSP_FC_MASK) == NSP_FC_MASK)
-                                return -EINVAL;
-                        scp->services_loc = u.services;
-                        break;
+        case DSO_SERVICES:
+                if (optlen != sizeof(unsigned char))
+                        return -EINVAL;
+                if ((u.services & ~NSP_FC_MASK) != 0x01)
+                        return -EINVAL;
+                if ((u.services & NSP_FC_MASK) == NSP_FC_MASK)
+                        return -EINVAL;
+                scp->services_loc = u.services;
+                break;
 
-                case DSO_INFO:
-                        if (optlen != sizeof(unsigned char))
-                                return -EINVAL;
-                        if (u.info & 0xfc)
-                                return -EINVAL;
-                        scp->info_loc = u.info;
-                        break;
+        case DSO_INFO:
+                if (optlen != sizeof(unsigned char))
+                        return -EINVAL;
+                if (u.info & 0xfc)
+                        return -EINVAL;
+                scp->info_loc = u.info;
+                break;
         }
 
         return 0;
@@ -1527,107 +1527,106 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us
         if(get_user(r_len , optlen))
                 return -EFAULT;
 
-        switch(optname) {
-                case DSO_CONDATA:
-                        if (r_len > sizeof(struct optdata_dn))
-                                r_len = sizeof(struct optdata_dn);
-                        r_data = &scp->conndata_in;
-                        break;
-
-                case DSO_DISDATA:
-                        if (r_len > sizeof(struct optdata_dn))
-                                r_len = sizeof(struct optdata_dn);
-                        r_data = &scp->discdata_in;
-                        break;
+        switch (optname) {
+        case DSO_CONDATA:
+                if (r_len > sizeof(struct optdata_dn))
+                        r_len = sizeof(struct optdata_dn);
+                r_data = &scp->conndata_in;
+                break;
 
-                case DSO_CONACCESS:
-                        if (r_len > sizeof(struct accessdata_dn))
-                                r_len = sizeof(struct accessdata_dn);
-                        r_data = &scp->accessdata;
-                        break;
+        case DSO_DISDATA:
+                if (r_len > sizeof(struct optdata_dn))
+                        r_len = sizeof(struct optdata_dn);
+                r_data = &scp->discdata_in;
+                break;
 
-                case DSO_ACCEPTMODE:
-                        if (r_len > sizeof(unsigned char))
-                                r_len = sizeof(unsigned char);
-                        r_data = &scp->accept_mode;
-                        break;
+        case DSO_CONACCESS:
+                if (r_len > sizeof(struct accessdata_dn))
+                        r_len = sizeof(struct accessdata_dn);
+                r_data = &scp->accessdata;
+                break;
 
-                case DSO_LINKINFO:
-                        if (r_len > sizeof(struct linkinfo_dn))
-                                r_len = sizeof(struct linkinfo_dn);
+        case DSO_ACCEPTMODE:
+                if (r_len > sizeof(unsigned char))
+                        r_len = sizeof(unsigned char);
+                r_data = &scp->accept_mode;
+                break;
 
-                        memset(&link, 0, sizeof(link));
+        case DSO_LINKINFO:
+                if (r_len > sizeof(struct linkinfo_dn))
+                        r_len = sizeof(struct linkinfo_dn);
 
-                        switch(sock->state) {
-                                case SS_CONNECTING:
-                                        link.idn_linkstate = LL_CONNECTING;
-                                        break;
-                                case SS_DISCONNECTING:
-                                        link.idn_linkstate = LL_DISCONNECTING;
-                                        break;
-                                case SS_CONNECTED:
-                                        link.idn_linkstate = LL_RUNNING;
-                                        break;
-                                default:
-                                        link.idn_linkstate = LL_INACTIVE;
-                        }
+                memset(&link, 0, sizeof(link));
 
-                        link.idn_segsize = scp->segsize_rem;
-                        r_data = &link;
+                switch (sock->state) {
+                case SS_CONNECTING:
+                        link.idn_linkstate = LL_CONNECTING;
+                        break;
+                case SS_DISCONNECTING:
+                        link.idn_linkstate = LL_DISCONNECTING;
+                        break;
+                case SS_CONNECTED:
+                        link.idn_linkstate = LL_RUNNING;
                         break;
-
                 default:
+                        link.idn_linkstate = LL_INACTIVE;
+                }
+
+                link.idn_segsize = scp->segsize_rem;
+                r_data = &link;
+                break;
+
+        default:
 #ifdef CONFIG_NETFILTER
-                {
-                        int ret, len;
+        {
+                int ret, len;
 
-                        if(get_user(len, optlen))
-                                return -EFAULT;
+                if (get_user(len, optlen))
+                        return -EFAULT;
 
-                        ret = nf_getsockopt(sk, PF_DECnet, optname,
-                                                        optval, &len);
-                        if (ret >= 0)
-                                ret = put_user(len, optlen);
-                        return ret;
-                }
+                ret = nf_getsockopt(sk, PF_DECnet, optname, optval, &len);
+                if (ret >= 0)
+                        ret = put_user(len, optlen);
+                return ret;
+        }
 #endif
-                case DSO_STREAM:
-                case DSO_SEQPACKET:
-                case DSO_CONACCEPT:
-                case DSO_CONREJECT:
-                        return -ENOPROTOOPT;
-
-                case DSO_MAXWINDOW:
-                        if (r_len > sizeof(unsigned long))
-                                r_len = sizeof(unsigned long);
-                        r_data = &scp->max_window;
-                        break;
+        case DSO_STREAM:
+        case DSO_SEQPACKET:
+        case DSO_CONACCEPT:
+        case DSO_CONREJECT:
+                return -ENOPROTOOPT;
+
+        case DSO_MAXWINDOW:
+                if (r_len > sizeof(unsigned long))
+                        r_len = sizeof(unsigned long);
+                r_data = &scp->max_window;
+                break;
 
-                case DSO_NODELAY:
-                        if (r_len > sizeof(int))
-                                r_len = sizeof(int);
-                        val = (scp->nonagle == 1);
-                        r_data = &val;
-                        break;
+        case DSO_NODELAY:
+                if (r_len > sizeof(int))
+                        r_len = sizeof(int);
+                val = (scp->nonagle == 1);
+                r_data = &val;
+                break;
 
-                case DSO_CORK:
-                        if (r_len > sizeof(int))
-                                r_len = sizeof(int);
-                        val = (scp->nonagle == 2);
-                        r_data = &val;
-                        break;
+        case DSO_CORK:
+                if (r_len > sizeof(int))
+                        r_len = sizeof(int);
+                val = (scp->nonagle == 2);
+                r_data = &val;
+                break;
 
-                case DSO_SERVICES:
-                        if (r_len > sizeof(unsigned char))
-                                r_len = sizeof(unsigned char);
-                        r_data = &scp->services_rem;
-                        break;
+        case DSO_SERVICES:
+                if (r_len > sizeof(unsigned char))
+                        r_len = sizeof(unsigned char);
+                r_data = &scp->services_rem;
+                break;
 
-                case DSO_INFO:
-                        if (r_len > sizeof(unsigned char))
-                                r_len = sizeof(unsigned char);
-                        r_data = &scp->info_rem;
-                        break;
+        case DSO_INFO:
+                if (r_len > sizeof(unsigned char))
+                        r_len = sizeof(unsigned char);
+                r_data = &scp->info_rem;
+                break;
         }
 
         if (r_data) {
@@ -2088,15 +2087,15 @@ static int dn_device_event(struct notifier_block *this, unsigned long event,
         if (!net_eq(dev_net(dev), &init_net))
                 return NOTIFY_DONE;
 
-        switch(event) {
-                case NETDEV_UP:
-                        dn_dev_up(dev);
-                        break;
-                case NETDEV_DOWN:
-                        dn_dev_down(dev);
-                        break;
-                default:
-                        break;
+        switch (event) {
+        case NETDEV_UP:
+                dn_dev_up(dev);
+                break;
+        case NETDEV_DOWN:
+                dn_dev_down(dev);
+                break;
+        default:
+                break;
         }
 
         return NOTIFY_DONE;
@@ -2209,54 +2208,54 @@ static void dn_printable_object(struct sockaddr_dn *dn, unsigned char *buf)
         int i;
 
         switch (le16_to_cpu(dn->sdn_objnamel)) {
-                case 0:
-                        sprintf(buf, "%d", dn->sdn_objnum);
-                        break;
-                default:
-                        for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) {
-                                buf[i] = dn->sdn_objname[i];
-                                if (IS_NOT_PRINTABLE(buf[i]))
-                                        buf[i] = '.';
-                        }
-                        buf[i] = 0;
+        case 0:
+                sprintf(buf, "%d", dn->sdn_objnum);
+                break;
+        default:
+                for (i = 0; i < le16_to_cpu(dn->sdn_objnamel); i++) {
+                        buf[i] = dn->sdn_objname[i];
+                        if (IS_NOT_PRINTABLE(buf[i]))
+                                buf[i] = '.';
+                }
+                buf[i] = 0;
         }
 }
 
 static char *dn_state2asc(unsigned char state)
 {
-        switch(state) {
-                case DN_O:
-                        return "OPEN";
-                case DN_CR:
-                        return "  CR";
-                case DN_DR:
-                        return "  DR";
-                case DN_DRC:
-                        return " DRC";
-                case DN_CC:
-                        return "  CC";
-                case DN_CI:
-                        return "  CI";
-                case DN_NR:
-                        return "  NR";
-                case DN_NC:
-                        return "  NC";
-                case DN_CD:
-                        return "  CD";
-                case DN_RJ:
-                        return "  RJ";
-                case DN_RUN:
-                        return " RUN";
-                case DN_DI:
-                        return "  DI";
-                case DN_DIC:
-                        return " DIC";
-                case DN_DN:
-                        return "  DN";
-                case DN_CL:
-                        return "  CL";
-                case DN_CN:
-                        return "  CN";
+        switch (state) {
+        case DN_O:
+                return "OPEN";
+        case DN_CR:
+                return "  CR";
+        case DN_DR:
+                return "  DR";
+        case DN_DRC:
+                return " DRC";
+        case DN_CC:
+                return "  CC";
+        case DN_CI:
+                return "  CI";
+        case DN_NR:
+                return "  NR";
+        case DN_NC:
+                return "  NC";
+        case DN_CD:
+                return "  CD";
+        case DN_RJ:
+                return "  RJ";
+        case DN_RUN:
+                return " RUN";
+        case DN_DI:
+                return "  DI";
+        case DN_DIC:
+                return " DIC";
+        case DN_DN:
+                return "  DN";
+        case DN_CL:
+                return "  CL";
+        case DN_CN:
+                return "  CN";
         }
 
         return "????";
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index cf26ac74a188..ba4faceec405 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -437,17 +437,17 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
 
         dev_load(&init_net, ifr->ifr_name);
 
-        switch(cmd) {
-                case SIOCGIFADDR:
-                        break;
-                case SIOCSIFADDR:
-                        if (!capable(CAP_NET_ADMIN))
-                                return -EACCES;
-                        if (sdn->sdn_family != AF_DECnet)
-                                return -EINVAL;
-                        break;
-                default:
+        switch (cmd) {
+        case SIOCGIFADDR:
+                break;
+        case SIOCSIFADDR:
+                if (!capable(CAP_NET_ADMIN))
+                        return -EACCES;
+                if (sdn->sdn_family != AF_DECnet)
                         return -EINVAL;
+                break;
+        default:
+                return -EINVAL;
         }
 
         rtnl_lock();
@@ -470,27 +470,27 @@ int dn_dev_ioctl(unsigned int cmd, void __user *arg)
                 goto done;
         }
 
-        switch(cmd) {
-                case SIOCGIFADDR:
-                        *((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
-                        goto rarok;
-
-                case SIOCSIFADDR:
-                        if (!ifa) {
-                                if ((ifa = dn_dev_alloc_ifa()) == NULL) {
-                                        ret = -ENOBUFS;
-                                        break;
-                                }
-                                memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
-                        } else {
-                                if (ifa->ifa_local == dn_saddr2dn(sdn))
-                                        break;
-                                dn_dev_del_ifa(dn_db, ifap, 0);
+        switch (cmd) {
+        case SIOCGIFADDR:
+                *((__le16 *)sdn->sdn_nodeaddr) = ifa->ifa_local;
+                goto rarok;
+
+        case SIOCSIFADDR:
+                if (!ifa) {
+                        if ((ifa = dn_dev_alloc_ifa()) == NULL) {
+                                ret = -ENOBUFS;
+                                break;
                         }
+                        memcpy(ifa->ifa_label, dev->name, IFNAMSIZ);
+                } else {
+                        if (ifa->ifa_local == dn_saddr2dn(sdn))
+                                break;
+                        dn_dev_del_ifa(dn_db, ifap, 0);
+                }
 
-                        ifa->ifa_local = ifa->ifa_address = dn_saddr2dn(sdn);
+                ifa->ifa_local = ifa->ifa_address = dn_saddr2dn(sdn);
 
-                        ret = dn_dev_set_ifa(dev, ifa);
+                ret = dn_dev_set_ifa(dev, ifa);
         }
 done:
         rtnl_unlock();
@@ -1313,7 +1313,7 @@ static void *dn_dev_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
         ++*pos;
 
-        dev = (struct net_device *)v;
+        dev = v;
         if (v == SEQ_START_TOKEN)
                 dev = net_device_entry(&init_net.dev_base_head);
 
@@ -1335,13 +1335,13 @@ static void dn_dev_seq_stop(struct seq_file *seq, void *v)
 
 static char *dn_type2asc(char type)
 {
-        switch(type) {
-                case DN_DEV_BCAST:
-                        return "B";
-                case DN_DEV_UCAST:
-                        return "U";
-                case DN_DEV_MPOINT:
-                        return "M";
+        switch (type) {
+        case DN_DEV_BCAST:
+                return "B";
+        case DN_DEV_UCAST:
+                return "U";
+        case DN_DEV_MPOINT:
+                return "M";
         }
 
         return "?";
@@ -1414,9 +1414,9 @@ void __init dn_dev_init(void)
 
         dn_dev_devices_on();
 
-        rtnl_register(PF_DECnet, RTM_NEWADDR, dn_nl_newaddr, NULL);
-        rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL);
-        rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr);
+        rtnl_register(PF_DECnet, RTM_NEWADDR, dn_nl_newaddr, NULL, NULL);
+        rtnl_register(PF_DECnet, RTM_DELADDR, dn_nl_deladdr, NULL, NULL);
+        rtnl_register(PF_DECnet, RTM_GETADDR, NULL, dn_nl_dump_ifaddr, NULL);
 
         proc_net_fops_create(&init_net, "decnet_dev", S_IRUGO, &dn_dev_seq_fops);
 
diff --git a/net/decnet/dn_fib.c b/net/decnet/dn_fib.c
index 1c74ed36ce8f..2bd8e53d7774 100644
--- a/net/decnet/dn_fib.c
+++ b/net/decnet/dn_fib.c
@@ -414,33 +414,34 @@ int dn_fib_semantic_match(int type, struct dn_fib_info *fi, const struct flowidn
 
                 res->fi = fi;
 
-                switch(type) {
-                        case RTN_NAT:
-                                DN_FIB_RES_RESET(*res);
+                switch (type) {
+                case RTN_NAT:
+                        DN_FIB_RES_RESET(*res);
+                        atomic_inc(&fi->fib_clntref);
+                        return 0;
+                case RTN_UNICAST:
+                case RTN_LOCAL:
+                        for_nexthops(fi) {
+                                if (nh->nh_flags & RTNH_F_DEAD)
+                                        continue;
+                                if (!fld->flowidn_oif ||
+                                    fld->flowidn_oif == nh->nh_oif)
+                                        break;
+                        }
+                        if (nhsel < fi->fib_nhs) {
+                                res->nh_sel = nhsel;
                                 atomic_inc(&fi->fib_clntref);
                                 return 0;
-                        case RTN_UNICAST:
-                        case RTN_LOCAL:
-                                for_nexthops(fi) {
-                                        if (nh->nh_flags & RTNH_F_DEAD)
-                                                continue;
-                                        if (!fld->flowidn_oif ||
-                                            fld->flowidn_oif == nh->nh_oif)
-                                                break;
-                                }
-                                if (nhsel < fi->fib_nhs) {
-                                        res->nh_sel = nhsel;
-                                        atomic_inc(&fi->fib_clntref);
-                                        return 0;
-                                }
-                                endfor_nexthops(fi);
-                                res->fi = NULL;
-                                return 1;
-                        default:
-                                if (net_ratelimit())
-                                         printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n", type);
-                                res->fi = NULL;
-                                return -EINVAL;
+                        }
+                        endfor_nexthops(fi);
+                        res->fi = NULL;
+                        return 1;
+                default:
+                        if (net_ratelimit())
+                                printk("DECnet: impossible routing event : dn_fib_semantic_match type=%d\n",
+                                       type);
+                        res->fi = NULL;
+                        return -EINVAL;
                 }
         }
         return err;
@@ -647,20 +648,20 @@ static int dn_fib_dnaddr_event(struct notifier_block *this, unsigned long event,
 {
         struct dn_ifaddr *ifa = (struct dn_ifaddr *)ptr;
 
-        switch(event) {
-                case NETDEV_UP:
-                        dn_fib_add_ifaddr(ifa);
-                        dn_fib_sync_up(ifa->ifa_dev->dev);
+        switch (event) {
+        case NETDEV_UP:
+                dn_fib_add_ifaddr(ifa);
+                dn_fib_sync_up(ifa->ifa_dev->dev);
+                dn_rt_cache_flush(-1);
+                break;
+        case NETDEV_DOWN:
+                dn_fib_del_ifaddr(ifa);
+                if (ifa->ifa_dev && ifa->ifa_dev->ifa_list == NULL) {
+                        dn_fib_disable_addr(ifa->ifa_dev->dev, 1);
+                } else {
                         dn_rt_cache_flush(-1);
-                        break;
-                case NETDEV_DOWN:
-                        dn_fib_del_ifaddr(ifa);
-                        if (ifa->ifa_dev && ifa->ifa_dev->ifa_list == NULL) {
-                                dn_fib_disable_addr(ifa->ifa_dev->dev, 1);
-                        } else {
-                                dn_rt_cache_flush(-1);
-                        }
-                        break;
+                }
+                break;
         }
         return NOTIFY_DONE;
 }
@@ -763,8 +764,8 @@ void __init dn_fib_init(void)
 
         register_dnaddr_notifier(&dn_fib_dnaddr_notifier);
 
-        rtnl_register(PF_DECnet, RTM_NEWROUTE, dn_fib_rtm_newroute, NULL);
-        rtnl_register(PF_DECnet, RTM_DELROUTE, dn_fib_rtm_delroute, NULL);
+        rtnl_register(PF_DECnet, RTM_NEWROUTE, dn_fib_rtm_newroute, NULL, NULL);
+        rtnl_register(PF_DECnet, RTM_DELROUTE, dn_fib_rtm_delroute, NULL, NULL);
 }
 
 
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 602dade7e9a3..03eb22611801 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -404,13 +404,13 @@ int dn_neigh_router_hello(struct sk_buff *skb)
 
                         dn->flags &= ~DN_NDFLAG_P3;
 
-                        switch(msg->iinfo & DN_RT_INFO_TYPE) {
-                                case DN_RT_INFO_L1RT:
-                                        dn->flags &=~DN_NDFLAG_R2;
-                                        dn->flags |= DN_NDFLAG_R1;
-                                        break;
-                                case DN_RT_INFO_L2RT:
-                                        dn->flags |= DN_NDFLAG_R2;
+                        switch (msg->iinfo & DN_RT_INFO_TYPE) {
+                        case DN_RT_INFO_L1RT:
+                                dn->flags &=~DN_NDFLAG_R2;
+                                dn->flags |= DN_NDFLAG_R1;
+                                break;
+                        case DN_RT_INFO_L2RT:
+                                dn->flags |= DN_NDFLAG_R2;
                         }
                 }
 
diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index b430549e2b91..73fa268fe2e8 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -101,23 +101,27 @@ static void dn_ack(struct sock *sk, struct sk_buff *skb, unsigned short ack)
         unsigned short type = ((ack >> 12) & 0x0003);
         int wakeup = 0;
 
-        switch(type) {
-                case 0: /* ACK - Data */
-                        if (dn_after(ack, scp->ackrcv_dat)) {
-                                scp->ackrcv_dat = ack & 0x0fff;
-                                wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->data_xmit_queue, ack);
-                        }
-                        break;
-                case 1: /* NAK - Data */
-                        break;
-                case 2: /* ACK - OtherData */
-                        if (dn_after(ack, scp->ackrcv_oth)) {
-                                scp->ackrcv_oth = ack & 0x0fff;
-                                wakeup |= dn_nsp_check_xmit_queue(sk, skb, &scp->other_xmit_queue, ack);
-                        }
-                        break;
-                case 3: /* NAK - OtherData */
-                        break;
+        switch (type) {
+        case 0: /* ACK - Data */
+                if (dn_after(ack, scp->ackrcv_dat)) {
+                        scp->ackrcv_dat = ack & 0x0fff;
+                        wakeup |= dn_nsp_check_xmit_queue(sk, skb,
+                                                          &scp->data_xmit_queue,
+                                                          ack);
+                }
+                break;
+        case 1: /* NAK - Data */
+                break;
+        case 2: /* ACK - OtherData */
+                if (dn_after(ack, scp->ackrcv_oth)) {
+                        scp->ackrcv_oth = ack & 0x0fff;
+                        wakeup |= dn_nsp_check_xmit_queue(sk, skb,
+                                                          &scp->other_xmit_queue,
+                                                          ack);
+                }
+                break;
+        case 3: /* NAK - OtherData */
+                break;
         }
 
         if (wakeup && !sock_flag(sk, SOCK_DEAD))
@@ -417,19 +421,19 @@ static void dn_nsp_disc_init(struct sock *sk, struct sk_buff *skb)
         scp->addrrem = cb->src_port;
         sk->sk_state = TCP_CLOSE;
 
-        switch(scp->state) {
-                case DN_CI:
-                case DN_CD:
-                        scp->state = DN_RJ;
-                        sk->sk_err = ECONNREFUSED;
-                        break;
-                case DN_RUN:
-                        sk->sk_shutdown |= SHUTDOWN_MASK;
-                        scp->state = DN_DN;
-                        break;
-                case DN_DI:
-                        scp->state = DN_DIC;
-                        break;
+        switch (scp->state) {
+        case DN_CI:
+        case DN_CD:
+                scp->state = DN_RJ;
+                sk->sk_err = ECONNREFUSED;
+                break;
+        case DN_RUN:
+                sk->sk_shutdown |= SHUTDOWN_MASK;
+                scp->state = DN_DN;
+                break;
+        case DN_DI:
+                scp->state = DN_DIC;
+                break;
         }
 
         if (!sock_flag(sk, SOCK_DEAD)) {
@@ -470,23 +474,23 @@ static void dn_nsp_disc_conf(struct sock *sk, struct sk_buff *skb)
 
         sk->sk_state = TCP_CLOSE;
 
-        switch(scp->state) {
-                case DN_CI:
-                        scp->state = DN_NR;
-                        break;
-                case DN_DR:
-                        if (reason == NSP_REASON_DC)
-                                scp->state = DN_DRC;
-                        if (reason == NSP_REASON_NL)
-                                scp->state = DN_CN;
-                        break;
-                case DN_DI:
-                        scp->state = DN_DIC;
-                        break;
-                case DN_RUN:
-                        sk->sk_shutdown |= SHUTDOWN_MASK;
-                case DN_CC:
+        switch (scp->state) {
+        case DN_CI:
+                scp->state = DN_NR;
+                break;
+        case DN_DR:
+                if (reason == NSP_REASON_DC)
+                        scp->state = DN_DRC;
+                if (reason == NSP_REASON_NL)
                         scp->state = DN_CN;
+                break;
+        case DN_DI:
+                scp->state = DN_DIC;
+                break;
+        case DN_RUN:
+                sk->sk_shutdown |= SHUTDOWN_MASK;
+        case DN_CC:
+                scp->state = DN_CN;
         }
 
         if (!sock_flag(sk, SOCK_DEAD)) {
@@ -692,16 +696,16 @@ static int dn_nsp_no_socket(struct sk_buff *skb, unsigned short reason)
                 goto out;
 
         if ((reason != NSP_REASON_OK) && ((cb->nsp_flags & 0x0c) == 0x08)) {
-                switch(cb->nsp_flags & 0x70) {
-                        case 0x10:
-                        case 0x60: /* (Retransmitted) Connect Init */
-                                dn_nsp_return_disc(skb, NSP_DISCINIT, reason);
-                                ret = NET_RX_SUCCESS;
-                                break;
-                        case 0x20: /* Connect Confirm */
-                                dn_nsp_return_disc(skb, NSP_DISCCONF, reason);
-                                ret = NET_RX_SUCCESS;
-                                break;
+                switch (cb->nsp_flags & 0x70) {
+                case 0x10:
+                case 0x60: /* (Retransmitted) Connect Init */
+                        dn_nsp_return_disc(skb, NSP_DISCINIT, reason);
+                        ret = NET_RX_SUCCESS;
+                        break;
+                case 0x20: /* Connect Confirm */
+                        dn_nsp_return_disc(skb, NSP_DISCCONF, reason);
+                        ret = NET_RX_SUCCESS;
+                        break;
                 }
         }
 
@@ -733,17 +737,17 @@ static int dn_nsp_rx_packet(struct sk_buff *skb)
          * Filter out conninits and useless packet types
          */
         if ((cb->nsp_flags & 0x0c) == 0x08) {
-                switch(cb->nsp_flags & 0x70) {
-                        case 0x00: /* NOP */
-                        case 0x70: /* Reserved */
-                        case 0x50: /* Reserved, Phase II node init */
+                switch (cb->nsp_flags & 0x70) {
+                case 0x00: /* NOP */
+                case 0x70: /* Reserved */
+                case 0x50: /* Reserved, Phase II node init */
+                        goto free_out;
+                case 0x10:
+                case 0x60:
+                        if (unlikely(cb->rt_flags & DN_RT_F_RTS))
                                 goto free_out;
-                        case 0x10:
-                        case 0x60:
-                                if (unlikely(cb->rt_flags & DN_RT_F_RTS))
-                                        goto free_out;
-                                sk = dn_find_listener(skb, &reason);
-                                goto got_it;
+                        sk = dn_find_listener(skb, &reason);
+                        goto got_it;
                 }
         }
 
@@ -836,20 +840,20 @@ int dn_nsp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
          * Control packet.
          */
         if ((cb->nsp_flags & 0x0c) == 0x08) {
-                switch(cb->nsp_flags & 0x70) {
-                        case 0x10:
-                        case 0x60:
-                                dn_nsp_conn_init(sk, skb);
-                                break;
-                        case 0x20:
-                                dn_nsp_conn_conf(sk, skb);
-                                break;
-                        case 0x30:
-                                dn_nsp_disc_init(sk, skb);
-                                break;
-                        case 0x40:
-                                dn_nsp_disc_conf(sk, skb);
-                                break;
+                switch (cb->nsp_flags & 0x70) {
+                case 0x10:
+                case 0x60:
+                        dn_nsp_conn_init(sk, skb);
+                        break;
+                case 0x20:
+                        dn_nsp_conn_conf(sk, skb);
+                        break;
+                case 0x30:
+                        dn_nsp_disc_init(sk, skb);
+                        break;
+                case 0x40:
+                        dn_nsp_disc_conf(sk, skb);
+                        break;
                 }
 
         } else if (cb->nsp_flags == 0x24) {
@@ -890,15 +894,15 @@ int dn_nsp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
                         if (scp->state != DN_RUN)
                                 goto free_out;
 
-                        switch(cb->nsp_flags) {
-                                case 0x10: /* LS */
-                                        dn_nsp_linkservice(sk, skb);
-                                        break;
-                                case 0x30: /* OD */
-                                        dn_nsp_otherdata(sk, skb);
-                                        break;
-                                default:
-                                        dn_nsp_data(sk, skb);
+                        switch (cb->nsp_flags) {
+                        case 0x10: /* LS */
+                                dn_nsp_linkservice(sk, skb);
+                                break;
+                        case 0x30: /* OD */
+                                dn_nsp_otherdata(sk, skb);
+                                break;
+                        default:
+                                dn_nsp_data(sk, skb);
                         }
 
                 } else { /* Ack, chuck it out here */
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 74544bc6fdec..fceb86ca0116 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -495,11 +495,11 @@ static int dn_route_rx_packet(struct sk_buff *skb)
         }
 
         if ((skb->pkt_type == PACKET_HOST) && (cb->rt_flags & DN_RT_F_RQR)) {
-                switch(cb->rt_flags & DN_RT_PKT_MSK) {
-                        case DN_RT_PKT_SHORT:
-                                return dn_return_short(skb);
-                        case DN_RT_PKT_LONG:
-                                return dn_return_long(skb);
+                switch (cb->rt_flags & DN_RT_PKT_MSK) {
+                case DN_RT_PKT_SHORT:
+                        return dn_return_short(skb);
+                case DN_RT_PKT_LONG:
+                        return dn_return_long(skb);
                 }
         }
 
@@ -652,38 +652,38 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
                 if (unlikely(skb_linearize(skb)))
                         goto dump_it;
 
-                switch(flags & DN_RT_CNTL_MSK) {
-                        case DN_RT_PKT_INIT:
-                                dn_dev_init_pkt(skb);
-                                break;
-                        case DN_RT_PKT_VERI:
-                                dn_dev_veri_pkt(skb);
-                                break;
+                switch (flags & DN_RT_CNTL_MSK) {
+                case DN_RT_PKT_INIT:
+                        dn_dev_init_pkt(skb);
+                        break;
+                case DN_RT_PKT_VERI:
+                        dn_dev_veri_pkt(skb);
+                        break;
                 }
 
                 if (dn->parms.state != DN_DEV_S_RU)
                         goto dump_it;
 
-                switch(flags & DN_RT_CNTL_MSK) {
-                        case DN_RT_PKT_HELO:
-                                return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
-                                               skb, skb->dev, NULL,
-                                               dn_route_ptp_hello);
-
-                        case DN_RT_PKT_L1RT:
-                        case DN_RT_PKT_L2RT:
-                                return NF_HOOK(NFPROTO_DECNET, NF_DN_ROUTE,
-                                               skb, skb->dev, NULL,
-                                               dn_route_discard);
-                        case DN_RT_PKT_ERTH:
-                                return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
-                                               skb, skb->dev, NULL,
-                                               dn_neigh_router_hello);
-
-                        case DN_RT_PKT_EEDH:
-                                return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
-                                               skb, skb->dev, NULL,
-                                               dn_neigh_endnode_hello);
+                switch (flags & DN_RT_CNTL_MSK) {
+                case DN_RT_PKT_HELO:
+                        return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+                                       skb, skb->dev, NULL,
+                                       dn_route_ptp_hello);
+
+                case DN_RT_PKT_L1RT:
+                case DN_RT_PKT_L2RT:
+                        return NF_HOOK(NFPROTO_DECNET, NF_DN_ROUTE,
+                                       skb, skb->dev, NULL,
+                                       dn_route_discard);
+                case DN_RT_PKT_ERTH:
+                        return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+                                       skb, skb->dev, NULL,
+                                       dn_neigh_router_hello);
+
+                case DN_RT_PKT_EEDH:
+                        return NF_HOOK(NFPROTO_DECNET, NF_DN_HELLO,
+                                       skb, skb->dev, NULL,
+                                       dn_neigh_endnode_hello);
                 }
         } else {
                 if (dn->parms.state != DN_DEV_S_RU)
@@ -691,11 +691,11 @@ int dn_route_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type
 
                 skb_pull(skb, 1); /* Pull flags */
 
-                switch(flags & DN_RT_PKT_MSK) {
-                        case DN_RT_PKT_LONG:
-                                return dn_route_rx_long(skb);
-                        case DN_RT_PKT_SHORT:
-                                return dn_route_rx_short(skb);
+                switch (flags & DN_RT_PKT_MSK) {
+                case DN_RT_PKT_LONG:
+                        return dn_route_rx_long(skb);
+                case DN_RT_PKT_SHORT:
+                        return dn_route_rx_short(skb);
                 }
         }
 
@@ -1419,20 +1419,20 @@ make_route:
         rt->dst.neighbour = neigh;
         rt->dst.lastuse = jiffies;
         rt->dst.output = dn_rt_bug;
-        switch(res.type) {
-                case RTN_UNICAST:
-                        rt->dst.input = dn_forward;
-                        break;
-                case RTN_LOCAL:
-                        rt->dst.output = dn_output;
-                        rt->dst.input = dn_nsp_rx;
-                        rt->dst.dev = in_dev;
-                        flags |= RTCF_LOCAL;
-                        break;
-                default:
-                case RTN_UNREACHABLE:
-                case RTN_BLACKHOLE:
-                        rt->dst.input = dst_discard;
+        switch (res.type) {
+        case RTN_UNICAST:
+                rt->dst.input = dn_forward;
+                break;
+        case RTN_LOCAL:
+                rt->dst.output = dn_output;
+                rt->dst.input = dn_nsp_rx;
+                rt->dst.dev = in_dev;
+                flags |= RTCF_LOCAL;
+                break;
+        default:
+        case RTN_UNREACHABLE:
+        case RTN_BLACKHOLE:
+                rt->dst.input = dst_discard;
         }
         rt->rt_flags = flags;
 
@@ -1841,10 +1841,11 @@ void __init dn_route_init(void)
         proc_net_fops_create(&init_net, "decnet_cache", S_IRUGO, &dn_rt_cache_seq_fops);
 
 #ifdef CONFIG_DECNET_ROUTER
-        rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute, dn_fib_dump);
+        rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute,
+                      dn_fib_dump, NULL);
 #else
         rtnl_register(PF_DECnet, RTM_GETROUTE, dn_cache_getroute,
-                      dn_cache_dump);
+                      dn_cache_dump, NULL);
 #endif
 }
 
diff --git a/net/decnet/dn_table.c b/net/decnet/dn_table.c
index bd0a52dd1d40..cd0354e9bdb3 100644
--- a/net/decnet/dn_table.c
+++ b/net/decnet/dn_table.c
@@ -147,17 +147,18 @@ static void dn_rehash_zone(struct dn_zone *dz)
 
         old_divisor = dz->dz_divisor;
 
-        switch(old_divisor) {
-                case 16:
-                        new_divisor = 256;
-                        new_hashmask = 0xFF;
-                        break;
-                default:
-                        printk(KERN_DEBUG "DECnet: dn_rehash_zone: BUG! %d\n", old_divisor);
-                case 256:
-                        new_divisor = 1024;
-                        new_hashmask = 0x3FF;
-                        break;
+        switch (old_divisor) {
+        case 16:
+                new_divisor = 256;
+                new_hashmask = 0xFF;
+                break;
+        default:
+                printk(KERN_DEBUG "DECnet: dn_rehash_zone: BUG! %d\n",
+                       old_divisor);
+        case 256:
+                new_divisor = 1024;
+                new_hashmask = 0x3FF;
+                break;
         }
 
         ht = kcalloc(new_divisor, sizeof(struct dn_fib_node*), GFP_KERNEL);
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 64a7f39e069f..69975e0bcdea 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -69,15 +69,15 @@ static void dnrmg_send_peer(struct sk_buff *skb)
         int group = 0;
         unsigned char flags = *skb->data;
 
-        switch(flags & DN_RT_CNTL_MSK) {
-                case DN_RT_PKT_L1RT:
-                        group = DNRNG_NLGRP_L1;
-                        break;
-                case DN_RT_PKT_L2RT:
-                        group = DNRNG_NLGRP_L2;
-                        break;
-                default:
-                        return;
+        switch (flags & DN_RT_CNTL_MSK) {
+        case DN_RT_PKT_L1RT:
+                group = DNRNG_NLGRP_L1;
+                break;
+        case DN_RT_PKT_L2RT:
+                group = DNRNG_NLGRP_L2;
+                break;
+        default:
+                return;
         }
 
         skb2 = dnrmg_build_message(skb, &status);
diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c
index 28f8b5e5f73b..02e75d11cfbb 100644
--- a/net/decnet/sysctl_net_decnet.c
+++ b/net/decnet/sysctl_net_decnet.c
@@ -68,14 +68,15 @@ static struct ctl_table_header *dn_table_header = NULL;
 static void strip_it(char *str)
 {
         for(;;) {
-                switch(*str) {
-                        case ' ':
-                        case '\n':
-                        case '\r':
-                        case ':':
-                                *str = 0;
-                        case 0:
-                                return;
+                switch (*str) {
+                case ' ':
+                case '\n':
+                case '\r':
+                case ':':
+                        *str = 0;
+                        /* Fallthrough */
+                case 0:
+                        return;
                 }
                 str++;
         }
diff --git a/net/dns_resolver/dns_key.c b/net/dns_resolver/dns_key.c
index cfa7a5e1c5c9..fa000d26dc60 100644
--- a/net/dns_resolver/dns_key.c
+++ b/net/dns_resolver/dns_key.c
@@ -212,10 +212,12 @@ static void dns_resolver_describe(const struct key *key, struct seq_file *m)
         int err = key->type_data.x[0];
 
         seq_puts(m, key->description);
-        if (err)
-                seq_printf(m, ": %d", err);
-        else
-                seq_printf(m, ": %u", key->datalen);
+        if (key_is_instantiated(key)) {
+                if (err)
+                        seq_printf(m, ": %d", err);
+                else
+                        seq_printf(m, ": %u", key->datalen);
+        }
 }
 
 /*
diff --git a/net/dsa/mv88e6131.c b/net/dsa/mv88e6131.c
index 45f7411e90ba..9bd1061fa4ee 100644
--- a/net/dsa/mv88e6131.c
+++ b/net/dsa/mv88e6131.c
@@ -118,10 +118,14 @@ static int mv88e6131_setup_global(struct dsa_switch *ds)
         REG_WRITE(REG_GLOBAL, 0x1a, (dsa_upstream_port(ds) * 0x1100) | 0x00f0);
 
         /*
-         * Disable cascade port functionality, and set the switch's
+         * Disable cascade port functionality unless this device
+         * is used in a cascade configuration, and set the switch's
          * DSA device number.
          */
-        REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
+        if (ds->dst->pd->nr_chips > 1)
+                REG_WRITE(REG_GLOBAL, 0x1c, 0xf000 | (ds->index & 0x1f));
+        else
+                REG_WRITE(REG_GLOBAL, 0x1c, 0xe000 | (ds->index & 0x1f));
 
         /*
          * Send all frames with destination addresses matching
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index a1d9f3787dd5..1c1f26c5d672 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -9,6 +9,8 @@
  *
  */
 
+#define pr_fmt(fmt) fmt
+
 #include <linux/module.h>
 
 #include <linux/types.h>
@@ -44,7 +46,7 @@
 #include <linux/bitops.h>
 #include <linux/mutex.h>
 
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
 #include <asm/system.h>
 
 static const struct proto_ops econet_ops;
@@ -63,9 +65,7 @@ static DEFINE_SPINLOCK(aun_queue_lock);
 static struct socket *udpsock;
 #define AUN_PORT        0x8000
 
-
-struct aunhdr
-{
+struct aunhdr {
         unsigned char code;             /* AUN magic protocol byte */
         unsigned char port;
         unsigned char cb;
@@ -82,8 +82,7 @@ static struct timer_list ab_cleanup_timer;
 #endif          /* CONFIG_ECONET_AUNUDP */
 
 /* Per-packet information */
-struct ec_cb
-{
+struct ec_cb {
         struct sockaddr_ec sec;
         unsigned long cookie;           /* Supplied by user. */
 #ifdef CONFIG_ECONET_AUNUDP
@@ -137,7 +136,7 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
          *      but then it will block.
          */
 
-        skb=skb_recv_datagram(sk,flags,flags&MSG_DONTWAIT,&err);
+        skb = skb_recv_datagram(sk, flags, flags & MSG_DONTWAIT, &err);
 
         /*
          *      An error occurred so return it. Because skb_recv_datagram()
@@ -145,7 +144,7 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
          *      retries.
          */
 
-        if(skb==NULL)
+        if (skb == NULL)
                 goto out;
 
         /*
@@ -154,10 +153,9 @@ static int econet_recvmsg(struct kiocb *iocb, struct socket *sock,
          */
 
         copied = skb->len;
-        if (copied > len)
-        {
-                copied=len;
-                msg->msg_flags|=MSG_TRUNC;
+        if (copied > len) {
+                copied = len;
+                msg->msg_flags |= MSG_TRUNC;
         }
 
         /* We can't use skb_copy_datagram here */
@@ -186,7 +184,8 @@ out:
  *      Bind an Econet socket.
  */
 
-static int econet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+static int econet_bind(struct socket *sock, struct sockaddr *uaddr,
+                       int addr_len)
 {
         struct sockaddr_ec *sec = (struct sockaddr_ec *)uaddr;
         struct sock *sk;
@@ -226,9 +225,8 @@ static void tx_result(struct sock *sk, unsigned long cookie, int result)
         struct ec_cb *eb;
         struct sockaddr_ec *sec;
 
-        if (skb == NULL)
-        {
-                printk(KERN_DEBUG "ec: memory squeeze, transmit result dropped.\n");
+        if (skb == NULL) {
+                pr_debug("econet: memory squeeze, transmit result dropped\n");
                 return;
         }
 
@@ -265,7 +263,7 @@ static void ec_tx_done(struct sk_buff *skb, int result)
 static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
                           struct msghdr *msg, size_t len)
 {
-        struct sockaddr_ec *saddr=(struct sockaddr_ec *)msg->msg_name;
+        struct sockaddr_ec *saddr = (struct sockaddr_ec *)msg->msg_name;
         struct net_device *dev;
         struct ec_addr addr;
         int err;
@@ -298,14 +296,14 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
 
         mutex_lock(&econet_mutex);
 
-        if (saddr == NULL || msg->msg_namelen < sizeof(struct sockaddr_ec)) {
-                mutex_unlock(&econet_mutex);
-                return -EINVAL;
-        }
-        addr.station = saddr->addr.station;
-        addr.net = saddr->addr.net;
-        port = saddr->port;
-        cb = saddr->cb;
+        if (saddr == NULL || msg->msg_namelen < sizeof(struct sockaddr_ec)) {
+                mutex_unlock(&econet_mutex);
+                return -EINVAL;
+        }
+        addr.station = saddr->addr.station;
+        addr.net = saddr->addr.net;
+        port = saddr->port;
+        cb = saddr->cb;
 
         /* Look for a device with the right network number. */
         dev = net2dev_map[addr.net];
@@ -333,9 +331,9 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
 
                 dev_hold(dev);
 
-                skb = sock_alloc_send_skb(sk, len+LL_ALLOCATED_SPACE(dev),
+                skb = sock_alloc_send_skb(sk, len + LL_ALLOCATED_SPACE(dev),
                                           msg->msg_flags & MSG_DONTWAIT, &err);
-                if (skb==NULL)
+                if (skb == NULL)
                         goto out_unlock;
 
                 skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -355,7 +353,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
                         struct ec_framehdr *fh;
                         /* Poke in our control byte and
                            port number.  Hack, hack.  */
-                        fh = (struct ec_framehdr *)(skb->data);
+                        fh = (struct ec_framehdr *)skb->data;
                         fh->cb = cb;
                         fh->port = port;
                         if (sock->type != SOCK_DGRAM) {
@@ -365,7 +363,7 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
                 }
 
                 /* Copy the data. Returns -EFAULT on error */
-                err = memcpy_fromiovec(skb_put(skb,len), msg->msg_iov, len);
+                err = memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len);
                 skb->protocol = proto;
                 skb->dev = dev;
                 skb->priority = sk->sk_priority;
@@ -385,9 +383,9 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
                 mutex_unlock(&econet_mutex);
                 return len;
 
-        out_free:
+out_free:
                 kfree_skb(skb);
-        out_unlock:
+out_unlock:
                 if (dev)
                         dev_put(dev);
 #else
@@ -458,15 +456,14 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
                 goto error_free_buf;
 
         /* Get a skbuff (no data, just holds our cb information) */
-        if ((skb = sock_alloc_send_skb(sk, 0,
-                                       msg->msg_flags & MSG_DONTWAIT,
-                                       &err)) == NULL)
+        skb = sock_alloc_send_skb(sk, 0, msg->msg_flags & MSG_DONTWAIT, &err);
+        if (skb == NULL)
                 goto error_free_buf;
 
         eb = (struct ec_cb *)&skb->cb;
 
         eb->cookie = saddr->cookie;
-        eb->timeout = (5*HZ);
+        eb->timeout = 5 * HZ;
         eb->start = jiffies;
         ah.handle = aun_seq;
         eb->seq = (aun_seq++);
@@ -480,9 +477,10 @@ static int econet_sendmsg(struct kiocb *iocb, struct socket *sock,
         udpmsg.msg_iovlen = 2;
         udpmsg.msg_control = NULL;
         udpmsg.msg_controllen = 0;
-        udpmsg.msg_flags=0;
+        udpmsg.msg_flags = 0;
 
-        oldfs = get_fs(); set_fs(KERNEL_DS);    /* More privs :-) */
+        oldfs = get_fs();
+        set_fs(KERNEL_DS);              /* More privs :-) */
         err = sock_sendmsg(udpsock, &udpmsg, size);
         set_fs(oldfs);
 
@@ -530,7 +528,7 @@ static int econet_getname(struct socket *sock, struct sockaddr *uaddr,
 
 static void econet_destroy_timer(unsigned long data)
 {
-        struct sock *sk=(struct sock *)data;
+        struct sock *sk = (struct sock *)data;
 
         if (!sk_has_allocations(sk)) {
                 sk_free(sk);
@@ -539,7 +537,7 @@ static void econet_destroy_timer(unsigned long data)
 
         sk->sk_timer.expires = jiffies + 10 * HZ;
         add_timer(&sk->sk_timer);
-        printk(KERN_DEBUG "econet socket destroy delayed\n");
+        pr_debug("econet: socket destroy delayed\n");
 }
 
 /*
@@ -651,7 +649,8 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
         if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
                 return -EFAULT;
 
-        if ((dev = dev_get_by_name(&init_net, ifr.ifr_name)) == NULL)
+        dev = dev_get_by_name(&init_net, ifr.ifr_name);
+        if (dev == NULL)
                 return -ENODEV;
 
         sec = (struct sockaddr_ec *)&ifr.ifr_addr;
@@ -715,28 +714,26 @@ static int ec_dev_ioctl(struct socket *sock, unsigned int cmd, void __user *arg)
  *      Handle generic ioctls
  */
 
-static int econet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+static int econet_ioctl(struct socket *sock, unsigned int cmd,
+                        unsigned long arg)
 {
         struct sock *sk = sock->sk;
         void __user *argp = (void __user *)arg;
 
-        switch(cmd) {
-                case SIOCGSTAMP:
-                        return sock_get_timestamp(sk, argp);
+        switch (cmd) {
+        case SIOCGSTAMP:
+                return sock_get_timestamp(sk, argp);
 
-                case SIOCGSTAMPNS:
-                        return sock_get_timestampns(sk, argp);
+        case SIOCGSTAMPNS:
+                return sock_get_timestampns(sk, argp);
 
-                case SIOCSIFADDR:
-                case SIOCGIFADDR:
-                        return ec_dev_ioctl(sock, cmd, argp);
-                        break;
+        case SIOCSIFADDR:
+        case SIOCGIFADDR:
+                return ec_dev_ioctl(sock, cmd, argp);
 
-                default:
-                        return -ENOIOCTLCMD;
         }
-        /*NOTREACHED*/
-        return 0;
+
+        return -ENOIOCTLCMD;
 }
 
 static const struct net_proto_family econet_family_ops = {
@@ -836,7 +833,7 @@ static void aun_send_response(__u32 addr, unsigned long seq, int code, int cb)
         udpmsg.msg_namelen = sizeof(sin);
         udpmsg.msg_control = NULL;
         udpmsg.msg_controllen = 0;
-        udpmsg.msg_flags=0;
+        udpmsg.msg_flags = 0;
 
         kernel_sendmsg(udpsock, &udpmsg, &iov, 1, sizeof(ah));
 }
@@ -859,26 +856,25 @@ static void aun_incoming(struct sk_buff *skb, struct aunhdr *ah, size_t len)
         if (dst)
                 edev = dst->dev->ec_ptr;
 
-        if (! edev)
+        if (!edev)
                 goto bad;
 
-        if ((sk = ec_listening_socket(ah->port, stn, edev->net)) == NULL)
+        sk = ec_listening_socket(ah->port, stn, edev->net);
+        if (sk == NULL)
                 goto bad;               /* Nobody wants it */
 
         newskb = alloc_skb((len - sizeof(struct aunhdr) + 15) & ~15,
                            GFP_ATOMIC);
-        if (newskb == NULL)
-        {
-                printk(KERN_DEBUG "AUN: memory squeeze, dropping packet.\n");
+        if (newskb == NULL) {
+                pr_debug("AUN: memory squeeze, dropping packet\n");
                 /* Send nack and hope sender tries again */
                 goto bad;
         }
 
-        memcpy(skb_put(newskb, len - sizeof(struct aunhdr)), (void *)(ah+1),
+        memcpy(skb_put(newskb, len - sizeof(struct aunhdr)), (void *)(ah + 1),
                len - sizeof(struct aunhdr));
 
-        if (ec_queue_packet(sk, newskb, stn, edev->net, ah->cb, ah->port))
-        {
+        if (ec_queue_packet(sk, newskb, stn, edev->net, ah->cb, ah->port)) {
                 /* Socket is bankrupt. */
                 kfree_skb(newskb);
                 goto bad;
@@ -914,7 +910,7 @@ static void aun_tx_ack(unsigned long seq, int result)
                         goto foundit;
         }
         spin_unlock_irqrestore(&aun_queue_lock, flags);
-        printk(KERN_DEBUG "AUN: unknown sequence %ld\n", seq);
+        pr_debug("AUN: unknown sequence %ld\n", seq);
         return;
 
 foundit:
@@ -939,18 +935,17 @@ static void aun_data_available(struct sock *sk, int slen)
 
         while ((skb = skb_recv_datagram(sk, 0, 1, &err)) == NULL) {
                 if (err == -EAGAIN) {
-                        printk(KERN_ERR "AUN: no data available?!");
+                        pr_err("AUN: no data available?!\n");
                         return;
                 }
-                printk(KERN_DEBUG "AUN: recvfrom() error %d\n", -err);
+                pr_debug("AUN: recvfrom() error %d\n", -err);
         }
 
         data = skb_transport_header(skb) + sizeof(struct udphdr);
         ah = (struct aunhdr *)data;
         len = skb->len - sizeof(struct udphdr);
 
-        switch (ah->code)
-        {
+        switch (ah->code) {
         case 2:
                 aun_incoming(skb, ah, len);
                 break;
@@ -961,7 +956,7 @@ static void aun_data_available(struct sock *sk, int slen)
                 aun_tx_ack(ah->handle, ECTYPE_TRANSMIT_NOT_LISTENING);
                 break;
         default:
-                printk(KERN_DEBUG "unknown AUN packet (type %d)\n", data[0]);
+                pr_debug("AUN: unknown packet type: %d\n", data[0]);
         }
 
         skb_free_datagram(sk, skb);
@@ -991,7 +986,7 @@ static void ab_cleanup(unsigned long h)
         }
         spin_unlock_irqrestore(&aun_queue_lock, flags);
 
-        mod_timer(&ab_cleanup_timer, jiffies + (HZ*2));
+        mod_timer(&ab_cleanup_timer, jiffies + (HZ * 2));
 }
 
 static int __init aun_udp_initialise(void)
@@ -1001,7 +996,7 @@ static int __init aun_udp_initialise(void)
 
         skb_queue_head_init(&aun_queue);
         setup_timer(&ab_cleanup_timer, ab_cleanup, 0);
-        ab_cleanup_timer.expires = jiffies + (HZ*2);
+        ab_cleanup_timer.expires = jiffies + (HZ * 2);
         add_timer(&ab_cleanup_timer);
 
         memset(&sin, 0, sizeof(sin));
@@ -1009,9 +1004,9 @@ static int __init aun_udp_initialise(void)
 
         /* We can count ourselves lucky Acorn machines are too dim to
            speak IPv6. :-) */
-        if ((error = sock_create_kern(PF_INET, SOCK_DGRAM, 0, &udpsock)) < 0)
-        {
-                printk("AUN: socket error %d\n", -error);
+        error = sock_create_kern(PF_INET, SOCK_DGRAM, 0, &udpsock);
+        if (error < 0) {
+                pr_err("AUN: socket error %d\n", -error);
                 return error;
         }
 
@@ -1020,10 +1015,9 @@ static int __init aun_udp_initialise(void)
                                                     from interrupts */
 
         error = udpsock->ops->bind(udpsock, (struct sockaddr *)&sin,
-                                sizeof(sin));
-        if (error < 0)
-        {
-                printk("AUN: bind error %d\n", -error);
+                                   sizeof(sin));
+        if (error < 0) {
+                pr_err("AUN: bind error %d\n", -error);
                 goto release;
         }
 
@@ -1044,7 +1038,8 @@ release:
  *      Receive an Econet frame from a device.
  */
 
-static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int econet_rcv(struct sk_buff *skb, struct net_device *dev,
+                      struct packet_type *pt, struct net_device *orig_dev)
 {
         struct ec_framehdr *hdr;
         struct sock *sk = NULL;
@@ -1059,13 +1054,14 @@ static int econet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
         if (!edev)
                 goto drop;
 
-        if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL)
+        skb = skb_share_check(skb, GFP_ATOMIC);
+        if (skb == NULL)
                 return NET_RX_DROP;
 
         if (!pskb_may_pull(skb, sizeof(struct ec_framehdr)))
                 goto drop;
 
-        hdr = (struct ec_framehdr *) skb->data;
+        hdr = (struct ec_framehdr *)skb->data;
 
         /* First check for encapsulated IP */
         if (hdr->port == EC_PORT_IP) {
@@ -1093,8 +1089,8 @@ drop:
 }
 
 static struct packet_type econet_packet_type __read_mostly = {
-        .type =         cpu_to_be16(ETH_P_ECONET),
-        .func =         econet_rcv,
+        .type = cpu_to_be16(ETH_P_ECONET),
+        .func = econet_rcv,
 };
 
 static void econet_hw_initialise(void)
@@ -1104,9 +1100,10 @@ static void econet_hw_initialise(void)
 
 #endif
 
-static int econet_notifier(struct notifier_block *this, unsigned long msg, void *data)
+static int econet_notifier(struct notifier_block *this, unsigned long msg,
+                           void *data)
 {
-        struct net_device *dev = (struct net_device *)data;
+        struct net_device *dev = data;
         struct ec_device *edev;
 
         if (!net_eq(dev_net(dev), &init_net))
@@ -1116,8 +1113,7 @@ static int econet_notifier(struct notifier_block *this, unsigned long msg, void
         case NETDEV_UNREGISTER:
                 /* A device has gone down - kill any data we hold for it. */
                 edev = dev->ec_ptr;
-                if (edev)
-                {
+                if (edev) {
                         if (net2dev_map[0] == dev)
                                 net2dev_map[0] = NULL;
                         net2dev_map[edev->net] = NULL;
@@ -1131,7 +1127,7 @@ static int econet_notifier(struct notifier_block *this, unsigned long msg, void
 }
 
 static struct notifier_block econet_netdev_notifier = {
-        .notifier_call =econet_notifier,
+        .notifier_call = econet_notifier,
 };
 
 static void __exit econet_proto_exit(void)
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 44d2b42fda56..5cffb63f481a 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -233,9 +233,8 @@ EXPORT_SYMBOL(eth_header_parse);
  * @hh: destination cache entry
  * Create an Ethernet header template from the neighbour.
  */
-int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
+int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type)
 {
-        __be16 type = hh->hh_type;
         struct ethhdr *eth;
         const struct net_device *dev = neigh->dev;
 
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
index 6df6ecf49708..40e606f3788f 100644
--- a/net/ieee802154/af_ieee802154.c
+++ b/net/ieee802154/af_ieee802154.c
@@ -302,7 +302,7 @@ static int ieee802154_rcv(struct sk_buff *skb, struct net_device *dev,
         struct packet_type *pt, struct net_device *orig_dev)
 {
         if (!netif_running(dev))
-                return -ENODEV;
+                goto drop;
         pr_debug("got frame, type %d, dev %p\n", dev->type, dev);
 #ifdef DEBUG
         print_hex_dump_bytes("ieee802154_rcv ", DUMP_PREFIX_NONE, skb->data, skb->len);
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
index 1a3334c2609a..faecf648123f 100644
--- a/net/ieee802154/dgram.c
+++ b/net/ieee802154/dgram.c
@@ -1,5 +1,5 @@
 /*
- * ZigBee socket interface
+ * IEEE 802.15.4 dgram socket interface
  *
  * Copyright 2007, 2008 Siemens AG
  *
diff --git a/net/ieee802154/nl-phy.c b/net/ieee802154/nl-phy.c
index ed0eab39f531..c64a38d57aa3 100644
--- a/net/ieee802154/nl-phy.c
+++ b/net/ieee802154/nl-phy.c
@@ -24,6 +24,7 @@
 
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/if_arp.h>
 #include <net/netlink.h>
 #include <net/genetlink.h>
 #include <net/wpan-phy.h>
@@ -44,7 +45,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 pid,
         pr_debug("%s\n", __func__);
 
         if (!buf)
-                goto out;
+                return -EMSGSIZE;
 
         hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
                 IEEE802154_LIST_PHY);
@@ -65,6 +66,7 @@ static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 pid,
                                 pages * sizeof(uint32_t), buf);
 
         mutex_unlock(&phy->pib_lock);
+        kfree(buf);
         return genlmsg_end(msg, hdr);
 
 nla_put_failure:
@@ -212,12 +214,37 @@ static int ieee802154_add_iface(struct sk_buff *skb,
                 goto nla_put_failure;
         }
 
+        if (info->attrs[IEEE802154_ATTR_HW_ADDR] &&
+            nla_len(info->attrs[IEEE802154_ATTR_HW_ADDR]) !=
+                        IEEE802154_ADDR_LEN) {
+                rc = -EINVAL;
+                goto nla_put_failure;
+        }
+
         dev = phy->add_iface(phy, devname);
         if (IS_ERR(dev)) {
                 rc = PTR_ERR(dev);
                 goto nla_put_failure;
         }
 
+        if (info->attrs[IEEE802154_ATTR_HW_ADDR]) {
+                struct sockaddr addr;
+
+                addr.sa_family = ARPHRD_IEEE802154;
+                nla_memcpy(&addr.sa_data, info->attrs[IEEE802154_ATTR_HW_ADDR],
+                                IEEE802154_ADDR_LEN);
+
+                /*
+                 * strangely enough, some callbacks (inetdev_event) from
+                 * dev_set_mac_address require RTNL_LOCK
+                 */
+                rtnl_lock();
+                rc = dev_set_mac_address(dev, &addr);
+                rtnl_unlock();
+                if (rc)
+                        goto dev_unregister;
+        }
+
         NLA_PUT_STRING(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy));
         NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
 
@@ -227,6 +254,11 @@ static int ieee802154_add_iface(struct sk_buff *skb,
 
         return ieee802154_nl_reply(msg, info);
 
+dev_unregister:
+        rtnl_lock(); /* del_iface must be called with RTNL lock */
+        phy->del_iface(phy, dev);
+        dev_put(dev);
+        rtnl_unlock();
 nla_put_failure:
         nlmsg_free(msg);
 out_dev:
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index cc1463156cd0..1b745d412cf6 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -465,6 +465,11 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
         if (addr_len < sizeof(struct sockaddr_in))
                 goto out;
 
+        if (addr->sin_family != AF_INET) {
+                err = -EAFNOSUPPORT;
+                goto out;
+        }
+
         chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr);
 
         /* Not specified by any standard per-se, however it breaks too
@@ -673,6 +678,7 @@ int inet_accept(struct socket *sock, struct socket *newsock, int flags)
 
         lock_sock(sk2);
 
+        sock_rps_record_flow(sk2);
         WARN_ON(!((1 << sk2->sk_state) &
                   (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT | TCPF_CLOSE)));
 
@@ -1434,11 +1440,11 @@ EXPORT_SYMBOL_GPL(inet_ctl_sock_create);
 unsigned long snmp_fold_field(void __percpu *mib[], int offt)
 {
         unsigned long res = 0;
-        int i;
+        int i, j;
 
         for_each_possible_cpu(i) {
-                res += *(((unsigned long *) per_cpu_ptr(mib[0], i)) + offt);
-                res += *(((unsigned long *) per_cpu_ptr(mib[1], i)) + offt);
+                for (j = 0; j < SNMP_ARRAY_SZ; j++)
+                        res += *(((unsigned long *) per_cpu_ptr(mib[j], i)) + offt);
         }
         return res;
 }
@@ -1452,28 +1458,19 @@ u64 snmp_fold_field64(void __percpu *mib[], int offt, size_t syncp_offset)
         int cpu;
 
         for_each_possible_cpu(cpu) {
-                void *bhptr, *userptr;
+                void *bhptr;
                 struct u64_stats_sync *syncp;
-                u64 v_bh, v_user;
+                u64 v;
                 unsigned int start;
 
-                /* first mib used by softirq context, we must use _bh() accessors */
-                bhptr = per_cpu_ptr(SNMP_STAT_BHPTR(mib), cpu);
+                bhptr = per_cpu_ptr(mib[0], cpu);
                 syncp = (struct u64_stats_sync *)(bhptr + syncp_offset);
                 do {
                         start = u64_stats_fetch_begin_bh(syncp);
-                        v_bh = *(((u64 *) bhptr) + offt);
+                        v = *(((u64 *) bhptr) + offt);
                 } while (u64_stats_fetch_retry_bh(syncp, start));
 
-                /* second mib used in USER context */
-                userptr = per_cpu_ptr(SNMP_STAT_USRPTR(mib), cpu);
-                syncp = (struct u64_stats_sync *)(userptr + syncp_offset);
-                do {
-                        start = u64_stats_fetch_begin(syncp);
-                        v_user = *(((u64 *) userptr) + offt);
-                } while (u64_stats_fetch_retry(syncp, start));
-
-                res += v_bh + v_user;
+                res += v;
         }
         return res;
 }
@@ -1485,25 +1482,28 @@ int snmp_mib_init(void __percpu *ptr[2], size_t mibsize, size_t align)
         BUG_ON(ptr == NULL);
         ptr[0] = __alloc_percpu(mibsize, align);
         if (!ptr[0])
-                goto err0;
+                return -ENOMEM;
+#if SNMP_ARRAY_SZ == 2
         ptr[1] = __alloc_percpu(mibsize, align);
-        if (!ptr[1])
-                goto err1;
+        if (!ptr[1]) {
+                free_percpu(ptr[0]);
+                ptr[0] = NULL;
+                return -ENOMEM;
+        }
+#endif
         return 0;
-err1:
-        free_percpu(ptr[0]);
-        ptr[0] = NULL;
-err0:
-        return -ENOMEM;
 }
 EXPORT_SYMBOL_GPL(snmp_mib_init);
 
-void snmp_mib_free(void __percpu *ptr[2])
+void snmp_mib_free(void __percpu *ptr[SNMP_ARRAY_SZ])
 {
+        int i;
+
         BUG_ON(ptr == NULL);
-        free_percpu(ptr[0]);
-        free_percpu(ptr[1]);
-        ptr[0] = ptr[1] = NULL;
+        for (i = 0; i < SNMP_ARRAY_SZ; i++) {
+                free_percpu(ptr[i]);
+                ptr[i] = NULL;
+        }
 }
 EXPORT_SYMBOL_GPL(snmp_mib_free);
 
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 1b74d3b64371..3e5545675ccf 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -97,7 +97,6 @@
 #include <linux/init.h>
 #include <linux/net.h>
 #include <linux/rcupdate.h>
-#include <linux/jhash.h>
 #include <linux/slab.h>
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
@@ -232,7 +231,7 @@ static u32 arp_hash(const void *pkey,
                     const struct net_device *dev,
                     __u32 hash_rnd)
 {
-        return jhash_2words(*(u32 *)pkey, dev->ifindex, hash_rnd);
+        return arp_hashfn(*(u32 *)pkey, dev, hash_rnd);
 }
 
 static int arp_constructor(struct neighbour *neigh)
@@ -518,30 +517,6 @@ EXPORT_SYMBOL(arp_find);
 
 /* END OF OBSOLETE FUNCTIONS */
 
-int arp_bind_neighbour(struct dst_entry *dst)
-{
-        struct net_device *dev = dst->dev;
-        struct neighbour *n = dst->neighbour;
-
-        if (dev == NULL)
-                return -EINVAL;
-        if (n == NULL) {
-                __be32 nexthop = ((struct rtable *)dst)->rt_gateway;
-                if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
-                        nexthop = 0;
-                n = __neigh_lookup_errno(
-#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
-                                         dev->type == ARPHRD_ATM ?
-                                         clip_tbl_hook :
-#endif
-                                         &arp_tbl, &nexthop, dev);
-                if (IS_ERR(n))
-                        return PTR_ERR(n);
-                dst->neighbour = n;
-        }
-        return 0;
-}
-
 /*
  * Check if we can use proxy ARP for this path
  */
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 0d4a184af16f..37b3c188d8b3 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1833,8 +1833,8 @@ void __init devinet_init(void)
 
         rtnl_af_register(&inet_af_ops);
 
-        rtnl_register(PF_INET, RTM_NEWADDR, inet_rtm_newaddr, NULL);
-        rtnl_register(PF_INET, RTM_DELADDR, inet_rtm_deladdr, NULL);
-        rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr);
+        rtnl_register(PF_INET, RTM_NEWADDR, inet_rtm_newaddr, NULL, NULL);
+        rtnl_register(PF_INET, RTM_DELADDR, inet_rtm_deladdr, NULL, NULL);
+        rtnl_register(PF_INET, RTM_GETADDR, NULL, inet_dump_ifaddr, NULL);
 }
 
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 22524716fe70..92fc5f69f5da 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1124,9 +1124,9 @@ static struct pernet_operations fib_net_ops = {
 
 void __init ip_fib_init(void)
 {
-        rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL);
-        rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL);
-        rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib);
+        rtnl_register(PF_INET, RTM_NEWROUTE, inet_rtm_newroute, NULL, NULL);
+        rtnl_register(PF_INET, RTM_DELROUTE, inet_rtm_delroute, NULL, NULL);
+        rtnl_register(PF_INET, RTM_GETROUTE, NULL, inet_dump_fib, NULL);
 
         register_pernet_subsys(&fib_net_ops);
         register_netdevice_notifier(&fib_netdev_notifier);
diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c
index c6933f2ea310..9dbe10875fbd 100644
--- a/net/ipv4/gre.c
+++ b/net/ipv4/gre.c
@@ -16,7 +16,6 @@
 #include <linux/skbuff.h>
 #include <linux/in.h>
 #include <linux/netdevice.h>
-#include <linux/version.h>
 #include <linux/spinlock.h>
 #include <net/protocol.h>
 #include <net/gre.h>
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 61fac4cabc78..c14d88ad348d 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -33,7 +33,7 @@ EXPORT_SYMBOL(inet_csk_timer_bug_msg);
  * This struct holds the first and last local port number.
  */
 struct local_ports sysctl_local_ports __read_mostly = {
-        .lock = SEQLOCK_UNLOCKED,
+        .lock = __SEQLOCK_UNLOCKED(sysctl_local_ports.lock),
         .range = { 32768, 61000 },
 };
 
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 6ffe94ca5bc9..389a2e6a17fd 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -437,7 +437,7 @@ static int valid_cc(const void *bc, int len, int cc)
                         return 0;
                 if (cc == len)
                         return 1;
-                if (op->yes < 4)
+                if (op->yes < 4 || op->yes & 3)
                         return 0;
                 len -= op->yes;
                 bc  += op->yes;
@@ -447,11 +447,11 @@ static int valid_cc(const void *bc, int len, int cc)
 
 static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
 {
-        const unsigned char *bc = bytecode;
+        const void *bc = bytecode;
         int  len = bytecode_len;
 
         while (len > 0) {
-                struct inet_diag_bc_op *op = (struct inet_diag_bc_op *)bc;
+                const struct inet_diag_bc_op *op = bc;
 
 //printk("BC: %d %d %d {%d} / %d\n", op->code, op->yes, op->no, op[1].no, len);
                 switch (op->code) {
@@ -462,22 +462,20 @@ static int inet_diag_bc_audit(const void *bytecode, int bytecode_len)
                 case INET_DIAG_BC_S_LE:
                 case INET_DIAG_BC_D_GE:
                 case INET_DIAG_BC_D_LE:
-                        if (op->yes < 4 || op->yes > len + 4)
-                                return -EINVAL;
                 case INET_DIAG_BC_JMP:
-                        if (op->no < 4 || op->no > len + 4)
+                        if (op->no < 4 || op->no > len + 4 || op->no & 3)
                                 return -EINVAL;
                         if (op->no < len &&
                             !valid_cc(bytecode, bytecode_len, len - op->no))
                                 return -EINVAL;
                         break;
                 case INET_DIAG_BC_NOP:
-                        if (op->yes < 4 || op->yes > len + 4)
-                                return -EINVAL;
                         break;
                 default:
                         return -EINVAL;
                 }
+                if (op->yes < 4 || op->yes > len + 4 || op->yes & 3)
+                        return -EINVAL;
                 bc  += op->yes;
                 len -= op->yes;
         }
@@ -871,7 +869,7 @@ static int inet_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                 }
 
                 return netlink_dump_start(idiagnl, skb, nlh,
-                                          inet_diag_dump, NULL);
+                                          inet_diag_dump, NULL, 0);
         }
 
         return inet_diag_get_exact(skb, nlh);
diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index ce616d92cc54..90c5f0d1bcf3 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -54,15 +54,11 @@
  *  1.  Nodes may appear in the tree only with the pool lock held.
  *  2.  Nodes may disappear from the tree only with the pool lock held
  *      AND reference count being 0.
- *  3.  Nodes appears and disappears from unused node list only under
- *      "inet_peer_unused_lock".
- *  4.  Global variable peer_total is modified under the pool lock.
- *  5.  struct inet_peer fields modification:
+ *  3.  Global variable peer_total is modified under the pool lock.
+ *  4.  struct inet_peer fields modification:
  *              avl_left, avl_right, avl_parent, avl_height: pool lock
- *              unused: unused node list lock
  *              refcnt: atomically against modifications on other CPU;
  *                 usually under some other lock to prevent node disappearing
- *              dtime: unused node list lock
  *              daddr: unchangeable
  *              ip_id_count: atomic value (no lock needed)
  */
@@ -104,19 +100,6 @@ int inet_peer_threshold __read_mostly = 65536 + 128;	/* start to throw entries m
                                          * aggressively at this stage */
 int inet_peer_minttl __read_mostly = 120 * HZ;  /* TTL under high load: 120 sec */
 int inet_peer_maxttl __read_mostly = 10 * 60 * HZ;      /* usual time to live: 10 min */
-int inet_peer_gc_mintime __read_mostly = 10 * HZ;
-int inet_peer_gc_maxtime __read_mostly = 120 * HZ;
-
-static struct {
-        struct list_head        list;
-        spinlock_t              lock;
-} unused_peers = {
-        .list                   = LIST_HEAD_INIT(unused_peers.list),
-        .lock                   = __SPIN_LOCK_UNLOCKED(unused_peers.lock),
-};
-
-static void peer_check_expire(unsigned long dummy);
-static DEFINE_TIMER(peer_periodic_timer, peer_check_expire, 0, 0);
 
 
 /* Called from ip_output.c:ip_init  */
@@ -142,21 +125,6 @@ void __init inet_initpeers(void)
                         0, SLAB_HWCACHE_ALIGN | SLAB_PANIC,
                         NULL);
 
-        /* All the timers, started at system startup tend
-           to synchronize. Perturb it a bit.
-         */
-        peer_periodic_timer.expires = jiffies
-                + net_random() % inet_peer_gc_maxtime
-                + inet_peer_gc_maxtime;
-        add_timer(&peer_periodic_timer);
-}
-
-/* Called with or without local BH being disabled. */
-static void unlink_from_unused(struct inet_peer *p)
-{
-        spin_lock_bh(&unused_peers.lock);
-        list_del_init(&p->unused);
-        spin_unlock_bh(&unused_peers.lock);
 }
 
 static int addr_compare(const struct inetpeer_addr *a,
@@ -203,20 +171,6 @@ static int addr_compare(const struct inetpeer_addr *a,
         u;                                                      \
 })
 
-static bool atomic_add_unless_return(atomic_t *ptr, int a, int u, int *newv)
-{
-        int cur, old = atomic_read(ptr);
-
-        while (old != u) {
-                *newv = old + a;
-                cur = atomic_cmpxchg(ptr, old, *newv);
-                if (cur == old)
-                        return true;
-                old = cur;
-        }
-        return false;
-}
-
 /*
  * Called with rcu_read_lock()
  * Because we hold no lock against a writer, its quite possible we fall
@@ -225,8 +179,7 @@ static bool atomic_add_unless_return(atomic_t *ptr, int a, int u, int *newv)
  * We exit from this function if number of links exceeds PEER_MAXDEPTH
  */
 static struct inet_peer *lookup_rcu(const struct inetpeer_addr *daddr,
-                                    struct inet_peer_base *base,
-                                    int *newrefcnt)
+                                    struct inet_peer_base *base)
 {
         struct inet_peer *u = rcu_dereference(base->root);
         int count = 0;
@@ -235,11 +188,9 @@ static struct inet_peer *lookup_rcu(const struct inetpeer_addr *daddr,
                 int cmp = addr_compare(daddr, &u->daddr);
                 if (cmp == 0) {
                         /* Before taking a reference, check if this entry was
-                         * deleted, unlink_from_pool() sets refcnt=-1 to make
-                         * distinction between an unused entry (refcnt=0) and
-                         * a freed one.
+                         * deleted (refcnt=-1)
                          */
-                        if (!atomic_add_unless_return(&u->refcnt, 1, -1, newrefcnt))
+                        if (!atomic_add_unless(&u->refcnt, 1, -1))
                                 u = NULL;
                         return u;
                 }
@@ -366,137 +317,99 @@ static void inetpeer_free_rcu(struct rcu_head *head)
         kmem_cache_free(peer_cachep, container_of(head, struct inet_peer, rcu));
 }
 
-/* May be called with local BH enabled. */
 static void unlink_from_pool(struct inet_peer *p, struct inet_peer_base *base,
                              struct inet_peer __rcu **stack[PEER_MAXDEPTH])
 {
-        int do_free;
-
-        do_free = 0;
-
-        write_seqlock_bh(&base->lock);
-        /* Check the reference counter.  It was artificially incremented by 1
-         * in cleanup() function to prevent sudden disappearing.  If we can
-         * atomically (because of lockless readers) take this last reference,
-         * it's safe to remove the node and free it later.
-         * We use refcnt=-1 to alert lockless readers this entry is deleted.
-         */
-        if (atomic_cmpxchg(&p->refcnt, 1, -1) == 1) {
-                struct inet_peer __rcu ***stackptr, ***delp;
-                if (lookup(&p->daddr, stack, base) != p)
-                        BUG();
-                delp = stackptr - 1; /* *delp[0] == p */
-                if (p->avl_left == peer_avl_empty_rcu) {
-                        *delp[0] = p->avl_right;
-                        --stackptr;
-                } else {
-                        /* look for a node to insert instead of p */
-                        struct inet_peer *t;
-                        t = lookup_rightempty(p, base);
-                        BUG_ON(rcu_deref_locked(*stackptr[-1], base) != t);
-                        **--stackptr = t->avl_left;
-                        /* t is removed, t->daddr > x->daddr for any
-                         * x in p->avl_left subtree.
-                         * Put t in the old place of p. */
-                        RCU_INIT_POINTER(*delp[0], t);
-                        t->avl_left = p->avl_left;
-                        t->avl_right = p->avl_right;
-                        t->avl_height = p->avl_height;
-                        BUG_ON(delp[1] != &p->avl_left);
-                        delp[1] = &t->avl_left; /* was &p->avl_left */
-                }
-                peer_avl_rebalance(stack, stackptr, base);
-                base->total--;
-                do_free = 1;
+        struct inet_peer __rcu ***stackptr, ***delp;
+
+        if (lookup(&p->daddr, stack, base) != p)
+                BUG();
+        delp = stackptr - 1; /* *delp[0] == p */
+        if (p->avl_left == peer_avl_empty_rcu) {
+                *delp[0] = p->avl_right;
+                --stackptr;
+        } else {
+                /* look for a node to insert instead of p */
+                struct inet_peer *t;
+                t = lookup_rightempty(p, base);
+                BUG_ON(rcu_deref_locked(*stackptr[-1], base) != t);
+                **--stackptr = t->avl_left;
+                /* t is removed, t->daddr > x->daddr for any
+                 * x in p->avl_left subtree.
+                 * Put t in the old place of p. */
+                RCU_INIT_POINTER(*delp[0], t);
+                t->avl_left = p->avl_left;
+                t->avl_right = p->avl_right;
+                t->avl_height = p->avl_height;
+                BUG_ON(delp[1] != &p->avl_left);
+                delp[1] = &t->avl_left; /* was &p->avl_left */
         }
-        write_sequnlock_bh(&base->lock);
-
-        if (do_free)
-                call_rcu(&p->rcu, inetpeer_free_rcu);
-        else
-                /* The node is used again.  Decrease the reference counter
-                 * back.  The loop "cleanup -> unlink_from_unused
-                 *   -> unlink_from_pool -> putpeer -> link_to_unused
-                 *   -> cleanup (for the same node)"
-                 * doesn't really exist because the entry will have a
-                 * recent deletion time and will not be cleaned again soon.
-                 */
-                inet_putpeer(p);
+        peer_avl_rebalance(stack, stackptr, base);
+        base->total--;
+        call_rcu(&p->rcu, inetpeer_free_rcu);
 }
 
 static struct inet_peer_base *family_to_base(int family)
 {
-        return (family == AF_INET ? &v4_peers : &v6_peers);
-}
-
-static struct inet_peer_base *peer_to_base(struct inet_peer *p)
-{
-        return family_to_base(p->daddr.family);
+        return family == AF_INET ? &v4_peers : &v6_peers;
 }
 
-/* May be called with local BH enabled. */
-static int cleanup_once(unsigned long ttl, struct inet_peer __rcu **stack[PEER_MAXDEPTH])
+/* perform garbage collect on all items stacked during a lookup */
+static int inet_peer_gc(struct inet_peer_base *base,
+                        struct inet_peer __rcu **stack[PEER_MAXDEPTH],
+                        struct inet_peer __rcu ***stackptr)
 {
-        struct inet_peer *p = NULL;
-
-        /* Remove the first entry from the list of unused nodes. */
-        spin_lock_bh(&unused_peers.lock);
-        if (!list_empty(&unused_peers.list)) {
-                __u32 delta;
-
-                p = list_first_entry(&unused_peers.list, struct inet_peer, unused);
-                delta = (__u32)jiffies - p->dtime;
+        struct inet_peer *p, *gchead = NULL;
+        __u32 delta, ttl;
+        int cnt = 0;
 
-                if (delta < ttl) {
-                        /* Do not prune fresh entries. */
-                        spin_unlock_bh(&unused_peers.lock);
-                        return -1;
+        if (base->total >= inet_peer_threshold)
+                ttl = 0; /* be aggressive */
+        else
+                ttl = inet_peer_maxttl
+                                - (inet_peer_maxttl - inet_peer_minttl) / HZ *
+                                        base->total / inet_peer_threshold * HZ;
+        stackptr--; /* last stack slot is peer_avl_empty */
+        while (stackptr > stack) {
+                stackptr--;
+                p = rcu_deref_locked(**stackptr, base);
+                if (atomic_read(&p->refcnt) == 0) {
+                        smp_rmb();
+                        delta = (__u32)jiffies - p->dtime;
+                        if (delta >= ttl &&
+                            atomic_cmpxchg(&p->refcnt, 0, -1) == 0) {
+                                p->gc_next = gchead;
+                                gchead = p;
+                        }
                 }
-
-                list_del_init(&p->unused);
-
-                /* Grab an extra reference to prevent node disappearing
-                 * before unlink_from_pool() call. */
-                atomic_inc(&p->refcnt);
         }
-        spin_unlock_bh(&unused_peers.lock);
-
-        if (p == NULL)
-                /* It means that the total number of USED entries has
-                 * grown over inet_peer_threshold.  It shouldn't really
-                 * happen because of entry limits in route cache. */
-                return -1;
-
-        unlink_from_pool(p, peer_to_base(p), stack);
-        return 0;
+        while ((p = gchead) != NULL) {
+                gchead = p->gc_next;
+                cnt++;
+                unlink_from_pool(p, base, stack);
+        }
+        return cnt;
 }
 
-/* Called with or without local BH being disabled. */
 struct inet_peer *inet_getpeer(struct inetpeer_addr *daddr, int create)
 {
         struct inet_peer __rcu **stack[PEER_MAXDEPTH], ***stackptr;
         struct inet_peer_base *base = family_to_base(daddr->family);
         struct inet_peer *p;
         unsigned int sequence;
-        int invalidated, newrefcnt = 0;
+        int invalidated, gccnt = 0;
 
-        /* Look up for the address quickly, lockless.
+        /* Attempt a lockless lookup first.
          * Because of a concurrent writer, we might not find an existing entry.
          */
         rcu_read_lock();
         sequence = read_seqbegin(&base->lock);
-        p = lookup_rcu(daddr, base, &newrefcnt);
+        p = lookup_rcu(daddr, base);
         invalidated = read_seqretry(&base->lock, sequence);
         rcu_read_unlock();
 
-        if (p) {
-found:          /* The existing node has been found.
-                 * Remove the entry from unused list if it was there.
-                 */
-                if (newrefcnt == 1)
-                        unlink_from_unused(p);
+        if (p)
                 return p;
-        }
 
         /* If no writer did a change during our lookup, we can return early. */
         if (!create && !invalidated)
@@ -506,11 +419,17 @@ found:		/* The existing node has been found.
          * At least, nodes should be hot in our cache.
          */
         write_seqlock_bh(&base->lock);
+relookup:
         p = lookup(daddr, stack, base);
         if (p != peer_avl_empty) {
-                newrefcnt = atomic_inc_return(&p->refcnt);
+                atomic_inc(&p->refcnt);
                 write_sequnlock_bh(&base->lock);
-                goto found;
+                return p;
+        }
+        if (!gccnt) {
+                gccnt = inet_peer_gc(base, stack, stackptr);
+                if (gccnt && create)
+                        goto relookup;
         }
         p = create ? kmem_cache_alloc(peer_cachep, GFP_ATOMIC) : NULL;
         if (p) {
@@ -525,7 +444,6 @@ found:		/* The existing node has been found.
                 p->pmtu_expires = 0;
                 p->pmtu_orig = 0;
                 memset(&p->redirect_learned, 0, sizeof(p->redirect_learned));
-                INIT_LIST_HEAD(&p->unused);
 
 
                 /* Link the node. */
@@ -534,63 +452,15 @@ found:		/* The existing node has been found.
         }
         write_sequnlock_bh(&base->lock);
 
-        if (base->total >= inet_peer_threshold)
-                /* Remove one less-recently-used entry. */
-                cleanup_once(0, stack);
-
         return p;
 }
-
-static int compute_total(void)
-{
-        return v4_peers.total + v6_peers.total;
-}
 EXPORT_SYMBOL_GPL(inet_getpeer);
 
-/* Called with local BH disabled. */
-static void peer_check_expire(unsigned long dummy)
-{
-        unsigned long now = jiffies;
-        int ttl, total;
-        struct inet_peer __rcu **stack[PEER_MAXDEPTH];
-
-        total = compute_total();
-        if (total >= inet_peer_threshold)
-                ttl = inet_peer_minttl;
-        else
-                ttl = inet_peer_maxttl
-                                - (inet_peer_maxttl - inet_peer_minttl) / HZ *
-                                        total / inet_peer_threshold * HZ;
-        while (!cleanup_once(ttl, stack)) {
-                if (jiffies != now)
-                        break;
-        }
-
-        /* Trigger the timer after inet_peer_gc_mintime .. inet_peer_gc_maxtime
-         * interval depending on the total number of entries (more entries,
-         * less interval). */
-        total = compute_total();
-        if (total >= inet_peer_threshold)
-                peer_periodic_timer.expires = jiffies + inet_peer_gc_mintime;
-        else
-                peer_periodic_timer.expires = jiffies
-                        + inet_peer_gc_maxtime
-                        - (inet_peer_gc_maxtime - inet_peer_gc_mintime) / HZ *
-                                total / inet_peer_threshold * HZ;
-        add_timer(&peer_periodic_timer);
-}
-
 void inet_putpeer(struct inet_peer *p)
 {
-        local_bh_disable();
-
-        if (atomic_dec_and_lock(&p->refcnt, &unused_peers.lock)) {
-                list_add_tail(&p->unused, &unused_peers.list);
-                p->dtime = (__u32)jiffies;
-                spin_unlock(&unused_peers.lock);
-        }
-
-        local_bh_enable();
+        p->dtime = (__u32)jiffies;
+        smp_mb__before_atomic_dec();
+        atomic_dec(&p->refcnt);
 }
 EXPORT_SYMBOL_GPL(inet_putpeer);
 
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 0ad6035f6366..0e0ab98abc6f 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -261,8 +261,9 @@ static void ip_expire(unsigned long arg)
                  * Only an end host needs to send an ICMP
                  * "Fragment Reassembly Timeout" message, per RFC792.
                  */
-                if (qp->user == IP_DEFRAG_CONNTRACK_IN &&
-                    skb_rtable(head)->rt_type != RTN_LOCAL)
+                if (qp->user == IP_DEFRAG_AF_PACKET ||
+                    (qp->user == IP_DEFRAG_CONNTRACK_IN &&
+                     skb_rtable(head)->rt_type != RTN_LOCAL))
                         goto out_rcu_unlock;
 
 
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index c8f48efc5fd3..073a9b01c40c 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -165,7 +165,7 @@ int ip_call_ra_chain(struct sk_buff *skb)
                     (!sk->sk_bound_dev_if ||
                      sk->sk_bound_dev_if == dev->ifindex) &&
                     net_eq(sock_net(sk), dev_net(dev))) {
-                        if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+                        if (ip_is_fragment(ip_hdr(skb))) {
                                 if (ip_defrag(skb, IP_DEFRAG_CALL_RA_CHAIN))
                                         return 1;
                         }
@@ -256,7 +256,7 @@ int ip_local_deliver(struct sk_buff *skb)
          *      Reassemble IP fragments.
          */
 
-        if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+        if (ip_is_fragment(ip_hdr(skb))) {
                 if (ip_defrag(skb, IP_DEFRAG_LOCAL_DELIVER))
                         return 0;
         }
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index c3118e1cd3bb..ec93335901dd 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -14,6 +14,7 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <asm/uaccess.h>
+#include <asm/unaligned.h>
 #include <linux/skbuff.h>
 #include <linux/ip.h>
 #include <linux/icmp.h>
@@ -350,7 +351,7 @@ int ip_options_compile(struct net *net,
                                 goto error;
                         }
                         if (optptr[2] <= optlen) {
-                                __be32 *timeptr = NULL;
+                                unsigned char *timeptr = NULL;
                                 if (optptr[2]+3 > optptr[1]) {
                                         pp_ptr = optptr + 2;
                                         goto error;
@@ -359,7 +360,7 @@ int ip_options_compile(struct net *net,
                                       case IPOPT_TS_TSONLY:
                                         opt->ts = optptr - iph;
                                         if (skb)
-                                                timeptr = (__be32*)&optptr[optptr[2]-1];
+                                                timeptr = &optptr[optptr[2]-1];
                                         opt->ts_needtime = 1;
                                         optptr[2] += 4;
                                         break;
@@ -371,7 +372,7 @@ int ip_options_compile(struct net *net,
                                         opt->ts = optptr - iph;
                                         if (rt)  {
                                                 memcpy(&optptr[optptr[2]-1], &rt->rt_spec_dst, 4);
-                                                timeptr = (__be32*)&optptr[optptr[2]+3];
+                                                timeptr = &optptr[optptr[2]+3];
                                         }
                                         opt->ts_needaddr = 1;
                                         opt->ts_needtime = 1;
@@ -389,7 +390,7 @@ int ip_options_compile(struct net *net,
                                                 if (inet_addr_type(net, addr) == RTN_UNICAST)
                                                         break;
                                                 if (skb)
-                                                        timeptr = (__be32*)&optptr[optptr[2]+3];
+                                                        timeptr = &optptr[optptr[2]+3];
                                         }
                                         opt->ts_needtime = 1;
                                         optptr[2] += 8;
@@ -403,10 +404,10 @@ int ip_options_compile(struct net *net,
                                 }
                                 if (timeptr) {
                                         struct timespec tv;
-                                        __be32  midtime;
+                                        u32  midtime;
                                         getnstimeofday(&tv);
-                                        midtime = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC);
-                                        memcpy(timeptr, &midtime, sizeof(__be32));
+                                        midtime = (tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC;
+                                        put_unaligned_be32(midtime, timeptr);
                                         opt->is_changed = 1;
                                 }
                         } else {
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 98af3697c718..a621b96aed15 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -182,6 +182,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)
         struct rtable *rt = (struct rtable *)dst;
         struct net_device *dev = dst->dev;
         unsigned int hh_len = LL_RESERVED_SPACE(dev);
+        struct neighbour *neigh;
 
         if (rt->rt_type == RTN_MULTICAST) {
                 IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUTMCAST, skb->len);
@@ -203,11 +204,14 @@ static inline int ip_finish_output2(struct sk_buff *skb)
                 skb = skb2;
         }
 
-        if (dst->hh)
-                return neigh_hh_output(dst->hh, skb);
-        else if (dst->neighbour)
-                return dst->neighbour->output(skb);
-
+        neigh = dst->neighbour;
+        if (neigh) {
+                struct hh_cache *hh = &neigh->hh;
+                if (hh->hh_len)
+                        return neigh_hh_output(hh, skb);
+                else
+                        return dst->neighbour->output(skb);
+        }
         if (net_ratelimit())
                 printk(KERN_DEBUG "ip_finish_output2: No header cache and no neighbour!\n");
         kfree_skb(skb);
@@ -489,7 +493,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 
                 if (first_len - hlen > mtu ||
                     ((first_len - hlen) & 7) ||
-                    (iph->frag_off & htons(IP_MF|IP_OFFSET)) ||
+                    ip_is_fragment(iph) ||
                     skb_cloned(skb))
                         goto slow_path;
 
@@ -799,9 +803,9 @@ static int __ip_append_data(struct sock *sk,
         int csummode = CHECKSUM_NONE;
         struct rtable *rt = (struct rtable *)cork->dst;
 
-        exthdrlen = transhdrlen ? rt->dst.header_len : 0;
-        length += exthdrlen;
-        transhdrlen += exthdrlen;
+        skb = skb_peek_tail(queue);
+
+        exthdrlen = !skb ? rt->dst.header_len : 0;
         mtu = cork->fragsize;
 
         hh_len = LL_RESERVED_SPACE(rt->dst.dev);
@@ -825,12 +829,10 @@ static int __ip_append_data(struct sock *sk,
             !exthdrlen)
                 csummode = CHECKSUM_PARTIAL;
 
-        skb = skb_peek_tail(queue);
-
         cork->length += length;
         if (((length > mtu) || (skb && skb_is_gso(skb))) &&
             (sk->sk_protocol == IPPROTO_UDP) &&
-            (rt->dst.dev->features & NETIF_F_UFO)) {
+            (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len) {
                 err = ip_ufo_append_data(sk, queue, getfrag, from, length,
                                          hh_len, fragheaderlen, transhdrlen,
                                          mtu, flags);
@@ -883,17 +885,16 @@ alloc_new_skb:
                         else
                                 alloclen = fraglen;
 
+                        alloclen += exthdrlen;
+
                         /* The last fragment gets additional space at tail.
                          * Note, with MSG_MORE we overallocate on fragments,
                          * because we have no idea what fragment will be
                          * the last.
                          */
-                        if (datalen == length + fraggap) {
+                        if (datalen == length + fraggap)
                                 alloclen += rt->dst.trailer_len;
-                                /* make sure mtu is not reached */
-                                if (datalen > mtu - fragheaderlen - rt->dst.trailer_len)
-                                        datalen -= ALIGN(rt->dst.trailer_len, 8);
-                        }
+
                         if (transhdrlen) {
                                 skb = sock_alloc_send_skb(sk,
                                                 alloclen + hh_len + 15,
@@ -926,11 +927,11 @@ alloc_new_skb:
                         /*
                          *      Find where to start putting bytes.
                          */
-                        data = skb_put(skb, fraglen);
+                        data = skb_put(skb, fraglen + exthdrlen);
                         skb_set_network_header(skb, exthdrlen);
                         skb->transport_header = (skb->network_header +
                                                  fragheaderlen);
-                        data += fragheaderlen;
+                        data += fragheaderlen + exthdrlen;
 
                         if (fraggap) {
                                 skb->csum = skb_copy_and_csum_bits(
@@ -1064,7 +1065,7 @@ static int ip_setup_cork(struct sock *sk, struct inet_cork *cork,
          */
         *rtp = NULL;
         cork->fragsize = inet->pmtudisc == IP_PMTUDISC_PROBE ?
-                         rt->dst.dev->mtu : dst_mtu(rt->dst.path);
+                         rt->dst.dev->mtu : dst_mtu(&rt->dst);
         cork->dst = &rt->dst;
         cork->length = 0;
         cork->tx_flags = ipc->tx_flags;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index ab7e5542c1cf..472a8c4f1dc0 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -861,41 +861,44 @@ static void __init ic_do_bootp_ext(u8 *ext)
 #endif
 
         switch (*ext++) {
-                case 1:         /* Subnet mask */
-                        if (ic_netmask == NONE)
-                                memcpy(&ic_netmask, ext+1, 4);
-                        break;
-                case 3:         /* Default gateway */
-                        if (ic_gateway == NONE)
-                                memcpy(&ic_gateway, ext+1, 4);
-                        break;
-                case 6:         /* DNS server */
-                        servers= *ext/4;
-                        if (servers > CONF_NAMESERVERS_MAX)
-                                servers = CONF_NAMESERVERS_MAX;
-                        for (i = 0; i < servers; i++) {
-                                if (ic_nameservers[i] == NONE)
-                                        memcpy(&ic_nameservers[i], ext+1+4*i, 4);
-                        }
-                        break;
-                case 12:        /* Host name */
-                        ic_bootp_string(utsname()->nodename, ext+1, *ext, __NEW_UTS_LEN);
-                        ic_host_name_set = 1;
-                        break;
-                case 15:        /* Domain name (DNS) */
-                        ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
-                        break;
-                case 17:        /* Root path */
-                        if (!root_server_path[0])
-                                ic_bootp_string(root_server_path, ext+1, *ext, sizeof(root_server_path));
-                        break;
-                case 26:        /* Interface MTU */
-                        memcpy(&mtu, ext+1, sizeof(mtu));
-                        ic_dev_mtu = ntohs(mtu);
-                        break;
-                case 40:        /* NIS Domain name (_not_ DNS) */
-                        ic_bootp_string(utsname()->domainname, ext+1, *ext, __NEW_UTS_LEN);
-                        break;
+        case 1:         /* Subnet mask */
+                if (ic_netmask == NONE)
+                        memcpy(&ic_netmask, ext+1, 4);
+                break;
+        case 3:         /* Default gateway */
+                if (ic_gateway == NONE)
+                        memcpy(&ic_gateway, ext+1, 4);
+                break;
+        case 6:         /* DNS server */
+                servers= *ext/4;
+                if (servers > CONF_NAMESERVERS_MAX)
+                        servers = CONF_NAMESERVERS_MAX;
+                for (i = 0; i < servers; i++) {
+                        if (ic_nameservers[i] == NONE)
+                                memcpy(&ic_nameservers[i], ext+1+4*i, 4);
+                }
+                break;
+        case 12:        /* Host name */
+                ic_bootp_string(utsname()->nodename, ext+1, *ext,
+                                __NEW_UTS_LEN);
+                ic_host_name_set = 1;
+                break;
+        case 15:        /* Domain name (DNS) */
+                ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain));
+                break;
+        case 17:        /* Root path */
+                if (!root_server_path[0])
+                        ic_bootp_string(root_server_path, ext+1, *ext,
+                                        sizeof(root_server_path));
+                break;
+        case 26:        /* Interface MTU */
+                memcpy(&mtu, ext+1, sizeof(mtu));
+                ic_dev_mtu = ntohs(mtu);
+                break;
+        case 40:        /* NIS Domain name (_not_ DNS) */
+                ic_bootp_string(utsname()->domainname, ext+1, *ext,
+                                __NEW_UTS_LEN);
+                break;
         }
 }
 
@@ -932,7 +935,7 @@ static int __init ic_bootp_recv(struct sk_buff *skb, struct net_device *dev, str
                 goto drop;
 
         /* Fragments are not supported */
-        if (h->frag_off & htons(IP_OFFSET | IP_MF)) {
+        if (ip_is_fragment(h)) {
                 if (net_ratelimit())
                         printk(KERN_ERR "DHCP/BOOTP: Ignoring fragmented "
                                "reply.\n");
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 30a7763c400e..aae2bd8cd924 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2544,7 +2544,8 @@ int __init ip_mr_init(void)
                 goto add_proto_fail;
         }
 #endif
-        rtnl_register(RTNL_FAMILY_IPMR, RTM_GETROUTE, NULL, ipmr_rtm_dumproute);
+        rtnl_register(RTNL_FAMILY_IPMR, RTM_GETROUTE,
+                      NULL, ipmr_rtm_dumproute, NULL);
         return 0;
 
 #ifdef CONFIG_IP_PIMSM_V2
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 4614babdc45f..2e97e3ec1eb7 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -17,51 +17,35 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
         const struct iphdr *iph = ip_hdr(skb);
         struct rtable *rt;
         struct flowi4 fl4 = {};
-        unsigned long orefdst;
+        __be32 saddr = iph->saddr;
+        __u8 flags = 0;
         unsigned int hh_len;
-        unsigned int type;
 
-        type = inet_addr_type(net, iph->saddr);
-        if (skb->sk && inet_sk(skb->sk)->transparent)
-                type = RTN_LOCAL;
-        if (addr_type == RTN_UNSPEC)
-                addr_type = type;
+        if (!skb->sk && addr_type != RTN_LOCAL) {
+                if (addr_type == RTN_UNSPEC)
+                        addr_type = inet_addr_type(net, saddr);
+                if (addr_type == RTN_LOCAL || addr_type == RTN_UNICAST)
+                        flags |= FLOWI_FLAG_ANYSRC;
+                else
+                        saddr = 0;
+        }
 
         /* some non-standard hacks like ipt_REJECT.c:send_reset() can cause
          * packets with foreign saddr to appear on the NF_INET_LOCAL_OUT hook.
          */
-        if (addr_type == RTN_LOCAL) {
-                fl4.daddr = iph->daddr;
-                if (type == RTN_LOCAL)
-                        fl4.saddr = iph->saddr;
-                fl4.flowi4_tos = RT_TOS(iph->tos);
-                fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
-                fl4.flowi4_mark = skb->mark;
-                fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : 0;
-                rt = ip_route_output_key(net, &fl4);
-                if (IS_ERR(rt))
-                        return -1;
-
-                /* Drop old route. */
-                skb_dst_drop(skb);
-                skb_dst_set(skb, &rt->dst);
-        } else {
-                /* non-local src, find valid iif to satisfy
-                 * rp-filter when calling ip_route_input. */
-                fl4.daddr = iph->saddr;
-                rt = ip_route_output_key(net, &fl4);
-                if (IS_ERR(rt))
-                        return -1;
+        fl4.daddr = iph->daddr;
+        fl4.saddr = saddr;
+        fl4.flowi4_tos = RT_TOS(iph->tos);
+        fl4.flowi4_oif = skb->sk ? skb->sk->sk_bound_dev_if : 0;
+        fl4.flowi4_mark = skb->mark;
+        fl4.flowi4_flags = skb->sk ? inet_sk_flowi_flags(skb->sk) : flags;
+        rt = ip_route_output_key(net, &fl4);
+        if (IS_ERR(rt))
+                return -1;
 
-                orefdst = skb->_skb_refdst;
-                if (ip_route_input(skb, iph->daddr, iph->saddr,
-                                   RT_TOS(iph->tos), rt->dst.dev) != 0) {
-                        dst_release(&rt->dst);
-                        return -1;
-                }
-                dst_release(&rt->dst);
-                refdst_drop(orefdst);
-        }
+        /* Drop old route. */
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->dst);
 
         if (skb_dst(skb)->error)
                 return -1;
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index d2c1311cb28d..5c9b9d963918 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -203,7 +203,8 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
         else
                 pmsg->outdev_name[0] = '\0';
 
-        if (entry->indev && entry->skb->dev) {
+        if (entry->indev && entry->skb->dev &&
+            entry->skb->mac_header != entry->skb->network_header) {
                 pmsg->hw_type = entry->skb->dev->type;
                 pmsg->hw_addrlen = dev_parse_header(entry->skb,
                                                     pmsg->hw_addr);
@@ -402,7 +403,8 @@ ipq_dev_drop(int ifindex)
 static inline void
 __ipq_rcv_skb(struct sk_buff *skb)
 {
-        int status, type, pid, flags, nlmsglen, skblen;
+        int status, type, pid, flags;
+        unsigned int nlmsglen, skblen;
         struct nlmsghdr *nlh;
 
         skblen = skb->len;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 764743843503..24e556e83a3b 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -566,7 +566,7 @@ check_entry(const struct ipt_entry *e, const char *name)
         const struct xt_entry_target *t;
 
         if (!ip_checkentry(&e->ip)) {
-                duprintf("ip check failed %p %s.\n", e, par->match->name);
+                duprintf("ip check failed %p %s.\n", e, name);
                 return -EINVAL;
         }
 
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index d609ac3cb9a4..db8d22db425f 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -307,7 +307,7 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
          * error messages (RELATED) and information requests (see below) */
         if (ip_hdr(skb)->protocol == IPPROTO_ICMP &&
             (ctinfo == IP_CT_RELATED ||
-             ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY))
+             ctinfo == IP_CT_RELATED_REPLY))
                 return XT_CONTINUE;
 
         /* ip_conntrack_icmp guarantees us that we only have ICMP_ECHO,
@@ -317,19 +317,19 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
         hash = clusterip_hashfn(skb, cipinfo->config);
 
         switch (ctinfo) {
-                case IP_CT_NEW:
-                        ct->mark = hash;
-                        break;
-                case IP_CT_RELATED:
-                case IP_CT_RELATED+IP_CT_IS_REPLY:
-                        /* FIXME: we don't handle expectations at the
-                         * moment.  they can arrive on a different node than
-                         * the master connection (e.g. FTP passive mode) */
-                case IP_CT_ESTABLISHED:
-                case IP_CT_ESTABLISHED+IP_CT_IS_REPLY:
-                        break;
-                default:
-                        break;
+        case IP_CT_NEW:
+                ct->mark = hash;
+                break;
+        case IP_CT_RELATED:
+        case IP_CT_RELATED_REPLY:
+                /* FIXME: we don't handle expectations at the moment.
+                 * They can arrive on a different node than
+                 * the master connection (e.g. FTP passive mode) */
+        case IP_CT_ESTABLISHED:
+        case IP_CT_ESTABLISHED_REPLY:
+                break;
+        default:                        /* Prevent gcc warnings */
+                break;
         }
 
 #ifdef DEBUG
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index d2ed9dc74ebc..9931152a78b5 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -60,7 +60,7 @@ masquerade_tg(struct sk_buff *skb, const struct xt_action_param *par)
         nat = nfct_nat(ct);
 
         NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
-                            ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+                            ctinfo == IP_CT_RELATED_REPLY));
 
         /* Source address is 0.0.0.0 - locally generated packet that is
          * probably not supposed to be masqueraded.
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 1ff79e557f96..51f13f8ec724 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -40,7 +40,6 @@ static void send_reset(struct sk_buff *oldskb, int hook)
         struct iphdr *niph;
         const struct tcphdr *oth;
         struct tcphdr _otcph, *tcph;
-        unsigned int addr_type;
 
         /* IP header checks: fragment. */
         if (ip_hdr(oldskb)->frag_off & htons(IP_OFFSET))
@@ -55,6 +54,9 @@ static void send_reset(struct sk_buff *oldskb, int hook)
         if (oth->rst)
                 return;
 
+        if (skb_rtable(oldskb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
+                return;
+
         /* Check checksum */
         if (nf_ip_checksum(oldskb, hook, ip_hdrlen(oldskb), IPPROTO_TCP))
                 return;
@@ -101,19 +103,11 @@ static void send_reset(struct sk_buff *oldskb, int hook)
         nskb->csum_start = (unsigned char *)tcph - nskb->head;
         nskb->csum_offset = offsetof(struct tcphdr, check);
 
-        addr_type = RTN_UNSPEC;
-        if (hook != NF_INET_FORWARD
-#ifdef CONFIG_BRIDGE_NETFILTER
-            || (nskb->nf_bridge && nskb->nf_bridge->mask & BRNF_BRIDGED)
-#endif
-           )
-                addr_type = RTN_LOCAL;
-
         /* ip_route_me_harder expects skb->dst to be set */
         skb_dst_set_noref(nskb, skb_dst(oldskb));
 
         nskb->protocol = htons(ETH_P_IP);
-        if (ip_route_me_harder(nskb, addr_type))
+        if (ip_route_me_harder(nskb, RTN_UNSPEC))
                 goto free_nskb;
 
         niph->ttl       = ip4_dst_hoplimit(skb_dst(nskb));
diff --git a/net/ipv4/netfilter/ipt_ecn.c b/net/ipv4/netfilter/ipt_ecn.c
index af6e9c778345..2b57e52c746c 100644
--- a/net/ipv4/netfilter/ipt_ecn.c
+++ b/net/ipv4/netfilter/ipt_ecn.c
@@ -25,7 +25,8 @@ MODULE_LICENSE("GPL");
 static inline bool match_ip(const struct sk_buff *skb,
                             const struct ipt_ecn_info *einfo)
 {
-        return (ip_hdr(skb)->tos & IPT_ECN_IP_MASK) == einfo->ip_ect;
+        return ((ip_hdr(skb)->tos & IPT_ECN_IP_MASK) == einfo->ip_ect) ^
+               !!(einfo->invert & IPT_ECN_OP_MATCH_IP);
 }
 
 static inline bool match_tcp(const struct sk_buff *skb,
@@ -76,8 +77,6 @@ static bool ecn_mt(const struct sk_buff *skb, struct xt_action_param *par)
                         return false;
 
         if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)) {
-                if (ip_hdr(skb)->protocol != IPPROTO_TCP)
-                        return false;
                 if (!match_tcp(skb, info, &par->hotdrop))
                         return false;
         }
@@ -97,7 +96,7 @@ static int ecn_mt_check(const struct xt_mtchk_param *par)
                 return -EINVAL;
 
         if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR) &&
-            ip->proto != IPPROTO_TCP) {
+            (ip->proto != IPPROTO_TCP || ip->invflags & IPT_INV_PROTO)) {
                 pr_info("cannot match TCP bits in rule for non-tcp packets\n");
                 return -EINVAL;
         }
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 5a03c02af999..de9da21113a1 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -101,7 +101,7 @@ static unsigned int ipv4_confirm(unsigned int hooknum,
 
         /* This is where we call the helper: as the packet goes out. */
         ct = nf_ct_get(skb, &ctinfo);
-        if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)
+        if (!ct || ctinfo == IP_CT_RELATED_REPLY)
                 goto out;
 
         help = nfct_help(ct);
@@ -121,7 +121,9 @@ static unsigned int ipv4_confirm(unsigned int hooknum,
                 return ret;
         }
 
-        if (test_bit(IPS_SEQ_ADJUST_BIT, &ct->status)) {
+        /* adjust seqs for loopback traffic only in outgoing direction */
+        if (test_bit(IPS_SEQ_ADJUST_BIT, &ct->status) &&
+            !nf_is_loopback_packet(skb)) {
                 typeof(nf_nat_seq_adjust_hook) seq_adjust;
 
                 seq_adjust = rcu_dereference(nf_nat_seq_adjust_hook);
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index 7404bde95994..ab5b27a2916f 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -160,7 +160,7 @@ icmp_error_message(struct net *net, struct nf_conn *tmpl, struct sk_buff *skb,
         /* Update skb to refer to this connection */
         skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general;
         skb->nfctinfo = *ctinfo;
-        return -NF_ACCEPT;
+        return NF_ACCEPT;
 }
 
 /* Small and modified version of icmp_rcv */
diff --git a/net/ipv4/netfilter/nf_defrag_ipv4.c b/net/ipv4/netfilter/nf_defrag_ipv4.c
index f3a9b42b16c6..9bb1b8a37a22 100644
--- a/net/ipv4/netfilter/nf_defrag_ipv4.c
+++ b/net/ipv4/netfilter/nf_defrag_ipv4.c
@@ -82,7 +82,7 @@ static unsigned int ipv4_conntrack_defrag(unsigned int hooknum,
 #endif
 #endif
         /* Gather fragments. */
-        if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+        if (ip_is_fragment(ip_hdr(skb))) {
                 enum ip_defrag_users user = nf_ct_defrag_user(hooknum, skb);
                 if (nf_ct_ipv4_gather_frags(skb, user))
                         return NF_STOLEN;
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index 9c71b2755ce3..3346de5d94d0 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -433,7 +433,7 @@ int nf_nat_icmp_reply_translation(struct nf_conn *ct,
 
         /* Must be RELATED */
         NF_CT_ASSERT(skb->nfctinfo == IP_CT_RELATED ||
-                     skb->nfctinfo == IP_CT_RELATED+IP_CT_IS_REPLY);
+                     skb->nfctinfo == IP_CT_RELATED_REPLY);
 
         /* Redirects on non-null nats must be dropped, else they'll
            start talking to each other without our translation, and be
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index 99cfa28b6d38..ebc5f8894f99 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -160,7 +160,7 @@ static void nf_nat_csum(struct sk_buff *skb, const struct iphdr *iph, void *data
 
         if (skb->ip_summed != CHECKSUM_PARTIAL) {
                 if (!(rt->rt_flags & RTCF_LOCAL) &&
-                    skb->dev->features & NETIF_F_V4_CSUM) {
+                    (!skb->dev || skb->dev->features & NETIF_F_V4_CSUM)) {
                         skb->ip_summed = CHECKSUM_PARTIAL;
                         skb->csum_start = skb_headroom(skb) +
                                           skb_network_offset(skb) +
diff --git a/net/ipv4/netfilter/nf_nat_rule.c b/net/ipv4/netfilter/nf_nat_rule.c
index 21c30426480b..733c9abc1cbd 100644
--- a/net/ipv4/netfilter/nf_nat_rule.c
+++ b/net/ipv4/netfilter/nf_nat_rule.c
@@ -53,7 +53,7 @@ ipt_snat_target(struct sk_buff *skb, const struct xt_action_param *par)
 
         /* Connection must be valid and new. */
         NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
-                            ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+                            ctinfo == IP_CT_RELATED_REPLY));
         NF_CT_ASSERT(par->out != NULL);
 
         return nf_nat_setup_info(ct, &mr->range[0], IP_NAT_MANIP_SRC);
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index 8812a02078ab..076b7c8c4aa4 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -719,117 +719,115 @@ static unsigned char snmp_object_decode(struct asn1_ctx *ctx,
 
         l = 0;
         switch (type) {
-                case SNMP_INTEGER:
-                        len = sizeof(long);
-                        if (!asn1_long_decode(ctx, end, &l)) {
-                                kfree(id);
-                                return 0;
-                        }
-                        *obj = kmalloc(sizeof(struct snmp_object) + len,
-                                       GFP_ATOMIC);
-                        if (*obj == NULL) {
-                                kfree(id);
-                                if (net_ratelimit())
-                                        pr_notice("OOM in bsalg (%d)\n", __LINE__);
-                                return 0;
-                        }
-                        (*obj)->syntax.l[0] = l;
-                        break;
-                case SNMP_OCTETSTR:
-                case SNMP_OPAQUE:
-                        if (!asn1_octets_decode(ctx, end, &p, &len)) {
-                                kfree(id);
-                                return 0;
-                        }
-                        *obj = kmalloc(sizeof(struct snmp_object) + len,
-                                       GFP_ATOMIC);
-                        if (*obj == NULL) {
-                                kfree(p);
-                                kfree(id);
-                                if (net_ratelimit())
-                                        pr_notice("OOM in bsalg (%d)\n", __LINE__);
-                                return 0;
-                        }
-                        memcpy((*obj)->syntax.c, p, len);
+        case SNMP_INTEGER:
+                len = sizeof(long);
+                if (!asn1_long_decode(ctx, end, &l)) {
+                        kfree(id);
+                        return 0;
+                }
+                *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+                if (*obj == NULL) {
+                        kfree(id);
+                        if (net_ratelimit())
+                                pr_notice("OOM in bsalg (%d)\n", __LINE__);
+                        return 0;
+                }
+                (*obj)->syntax.l[0] = l;
+                break;
+        case SNMP_OCTETSTR:
+        case SNMP_OPAQUE:
+                if (!asn1_octets_decode(ctx, end, &p, &len)) {
+                        kfree(id);
+                        return 0;
+                }
+                *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+                if (*obj == NULL) {
                         kfree(p);
-                        break;
-                case SNMP_NULL:
-                case SNMP_NOSUCHOBJECT:
-                case SNMP_NOSUCHINSTANCE:
-                case SNMP_ENDOFMIBVIEW:
-                        len = 0;
-                        *obj = kmalloc(sizeof(struct snmp_object), GFP_ATOMIC);
-                        if (*obj == NULL) {
-                                kfree(id);
-                                if (net_ratelimit())
-                                        pr_notice("OOM in bsalg (%d)\n", __LINE__);
-                                return 0;
-                        }
-                        if (!asn1_null_decode(ctx, end)) {
-                                kfree(id);
-                                kfree(*obj);
-                                *obj = NULL;
-                                return 0;
-                        }
-                        break;
-                case SNMP_OBJECTID:
-                        if (!asn1_oid_decode(ctx, end, (unsigned long **)&lp, &len)) {
-                                kfree(id);
-                                return 0;
-                        }
-                        len *= sizeof(unsigned long);
-                        *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
-                        if (*obj == NULL) {
-                                kfree(lp);
-                                kfree(id);
-                                if (net_ratelimit())
-                                        pr_notice("OOM in bsalg (%d)\n", __LINE__);
-                                return 0;
-                        }
-                        memcpy((*obj)->syntax.ul, lp, len);
+                        kfree(id);
+                        if (net_ratelimit())
+                                pr_notice("OOM in bsalg (%d)\n", __LINE__);
+                        return 0;
+                }
+                memcpy((*obj)->syntax.c, p, len);
+                kfree(p);
+                break;
+        case SNMP_NULL:
+        case SNMP_NOSUCHOBJECT:
+        case SNMP_NOSUCHINSTANCE:
+        case SNMP_ENDOFMIBVIEW:
+                len = 0;
+                *obj = kmalloc(sizeof(struct snmp_object), GFP_ATOMIC);
+                if (*obj == NULL) {
+                        kfree(id);
+                        if (net_ratelimit())
+                                pr_notice("OOM in bsalg (%d)\n", __LINE__);
+                        return 0;
+                }
+                if (!asn1_null_decode(ctx, end)) {
+                        kfree(id);
+                        kfree(*obj);
+                        *obj = NULL;
+                        return 0;
+                }
+                break;
+        case SNMP_OBJECTID:
+                if (!asn1_oid_decode(ctx, end, (unsigned long **)&lp, &len)) {
+                        kfree(id);
+                        return 0;
+                }
+                len *= sizeof(unsigned long);
+                *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+                if (*obj == NULL) {
                         kfree(lp);
-                        break;
-                case SNMP_IPADDR:
-                        if (!asn1_octets_decode(ctx, end, &p, &len)) {
-                                kfree(id);
-                                return 0;
-                        }
-                        if (len != 4) {
-                                kfree(p);
-                                kfree(id);
-                                return 0;
-                        }
-                        *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
-                        if (*obj == NULL) {
-                                kfree(p);
-                                kfree(id);
-                                if (net_ratelimit())
-                                        pr_notice("OOM in bsalg (%d)\n", __LINE__);
-                                return 0;
-                        }
-                        memcpy((*obj)->syntax.uc, p, len);
+                        kfree(id);
+                        if (net_ratelimit())
+                                pr_notice("OOM in bsalg (%d)\n", __LINE__);
+                        return 0;
+                }
+                memcpy((*obj)->syntax.ul, lp, len);
+                kfree(lp);
+                break;
+        case SNMP_IPADDR:
+                if (!asn1_octets_decode(ctx, end, &p, &len)) {
+                        kfree(id);
+                        return 0;
+                }
+                if (len != 4) {
                         kfree(p);
-                        break;
-                case SNMP_COUNTER:
-                case SNMP_GAUGE:
-                case SNMP_TIMETICKS:
-                        len = sizeof(unsigned long);
-                        if (!asn1_ulong_decode(ctx, end, &ul)) {
-                                kfree(id);
-                                return 0;
-                        }
-                        *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
-                        if (*obj == NULL) {
-                                kfree(id);
-                                if (net_ratelimit())
-                                        pr_notice("OOM in bsalg (%d)\n", __LINE__);
-                                return 0;
-                        }
-                        (*obj)->syntax.ul[0] = ul;
-                        break;
-                default:
                         kfree(id);
                         return 0;
+                }
+                *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+                if (*obj == NULL) {
+                        kfree(p);
+                        kfree(id);
+                        if (net_ratelimit())
+                                pr_notice("OOM in bsalg (%d)\n", __LINE__);
+                        return 0;
+                }
+                memcpy((*obj)->syntax.uc, p, len);
+                kfree(p);
+                break;
+        case SNMP_COUNTER:
+        case SNMP_GAUGE:
+        case SNMP_TIMETICKS:
+                len = sizeof(unsigned long);
+                if (!asn1_ulong_decode(ctx, end, &ul)) {
+                        kfree(id);
+                        return 0;
+                }
+                *obj = kmalloc(sizeof(struct snmp_object) + len, GFP_ATOMIC);
+                if (*obj == NULL) {
+                        kfree(id);
+                        if (net_ratelimit())
+                                pr_notice("OOM in bsalg (%d)\n", __LINE__);
+                        return 0;
+                }
+                (*obj)->syntax.ul[0] = ul;
+                break;
+        default:
+                kfree(id);
+                return 0;
         }
 
         (*obj)->syntax_len = len;
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index 7317bdf1d457..a6e606e84820 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -88,7 +88,7 @@ nf_nat_fn(unsigned int hooknum,
 
         /* We never see fragments: conntrack defrags on pre-routing
            and local-out, and nf_nat_out protects post-routing. */
-        NF_CT_ASSERT(!(ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)));
+        NF_CT_ASSERT(!ip_is_fragment(ip_hdr(skb)));
 
         ct = nf_ct_get(skb, &ctinfo);
         /* Can't track?  It's not due to stress, or conntrack would
@@ -116,7 +116,7 @@ nf_nat_fn(unsigned int hooknum,
 
         switch (ctinfo) {
         case IP_CT_RELATED:
-        case IP_CT_RELATED+IP_CT_IS_REPLY:
+        case IP_CT_RELATED_REPLY:
                 if (ip_hdr(skb)->protocol == IPPROTO_ICMP) {
                         if (!nf_nat_icmp_reply_translation(ct, ctinfo,
                                                            hooknum, skb))
@@ -144,7 +144,7 @@ nf_nat_fn(unsigned int hooknum,
         default:
                 /* ESTABLISHED */
                 NF_CT_ASSERT(ctinfo == IP_CT_ESTABLISHED ||
-                             ctinfo == (IP_CT_ESTABLISHED+IP_CT_IS_REPLY));
+                             ctinfo == IP_CT_ESTABLISHED_REPLY);
         }
 
         return nf_nat_packet(ct, ctinfo, hooknum, skb);
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 9aaa67165f42..39b403f854c6 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -41,7 +41,6 @@
 #include <linux/proc_fs.h>
 #include <net/sock.h>
 #include <net/ping.h>
-#include <net/icmp.h>
 #include <net/udp.h>
 #include <net/route.h>
 #include <net/inet_common.h>
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index c9893d43242e..08526786dc39 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -825,28 +825,28 @@ static int compat_raw_getsockopt(struct sock *sk, int level, int optname,
 static int raw_ioctl(struct sock *sk, int cmd, unsigned long arg)
 {
         switch (cmd) {
-                case SIOCOUTQ: {
-                        int amount = sk_wmem_alloc_get(sk);
+        case SIOCOUTQ: {
+                int amount = sk_wmem_alloc_get(sk);
 
-                        return put_user(amount, (int __user *)arg);
-                }
-                case SIOCINQ: {
-                        struct sk_buff *skb;
-                        int amount = 0;
-
-                        spin_lock_bh(&sk->sk_receive_queue.lock);
-                        skb = skb_peek(&sk->sk_receive_queue);
-                        if (skb != NULL)
-                                amount = skb->len;
-                        spin_unlock_bh(&sk->sk_receive_queue.lock);
-                        return put_user(amount, (int __user *)arg);
-                }
+                return put_user(amount, (int __user *)arg);
+        }
+        case SIOCINQ: {
+                struct sk_buff *skb;
+                int amount = 0;
+
+                spin_lock_bh(&sk->sk_receive_queue.lock);
+                skb = skb_peek(&sk->sk_receive_queue);
+                if (skb != NULL)
+                        amount = skb->len;
+                spin_unlock_bh(&sk->sk_receive_queue.lock);
+                return put_user(amount, (int __user *)arg);
+        }
 
-                default:
+        default:
 #ifdef CONFIG_IP_MROUTE
-                        return ipmr_ioctl(sk, cmd, (void __user *)arg);
+                return ipmr_ioctl(sk, cmd, (void __user *)arg);
 #else
-                        return -ENOIOCTLCMD;
+                return -ENOIOCTLCMD;
 #endif
         }
 }
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 52b0b956508b..a52bb74d2612 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -108,6 +108,7 @@
 #ifdef CONFIG_SYSCTL
 #include <linux/sysctl.h>
 #endif
+#include <net/atmclip.h>
 
 #define RT_FL_TOS(oldflp4) \
     ((u32)(oldflp4->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK)))
@@ -425,9 +426,10 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
                         (int)((dst_metric(&r->dst, RTAX_RTT) >> 3) +
                               dst_metric(&r->dst, RTAX_RTTVAR)),
                         r->rt_key_tos,
-                        r->dst.hh ? atomic_read(&r->dst.hh->hh_refcnt) : -1,
-                        r->dst.hh ? (r->dst.hh->hh_output ==
-                                       dev_queue_xmit) : 0,
+                        -1,
+                        (r->dst.neighbour ?
+                         (r->dst.neighbour->hh.hh_output ==
+                          dev_queue_xmit) : 0),
                         r->rt_spec_dst, &len);
 
                 seq_printf(seq, "%*s\n", 127 - len, "");
@@ -1006,6 +1008,29 @@ static int slow_chain_length(const struct rtable *head)
         return length >> FRACT_BITS;
 }
 
+static int rt_bind_neighbour(struct rtable *rt)
+{
+        static const __be32 inaddr_any = 0;
+        struct net_device *dev = rt->dst.dev;
+        struct neigh_table *tbl = &arp_tbl;
+        const __be32 *nexthop;
+        struct neighbour *n;
+
+#if defined(CONFIG_ATM_CLIP) || defined(CONFIG_ATM_CLIP_MODULE)
+        if (dev->type == ARPHRD_ATM)
+                tbl = clip_tbl_hook;
+#endif
+        nexthop = &rt->rt_gateway;
+        if (dev->flags & (IFF_LOOPBACK | IFF_POINTOPOINT))
+                nexthop = &inaddr_any;
+        n = ipv4_neigh_lookup(tbl, dev, nexthop);
+        if (IS_ERR(n))
+                return PTR_ERR(n);
+        rt->dst.neighbour = n;
+
+        return 0;
+}
+
 static struct rtable *rt_intern_hash(unsigned hash, struct rtable *rt,
                                      struct sk_buff *skb, int ifindex)
 {
@@ -1042,7 +1067,7 @@ restart:
 
                 rt->dst.flags |= DST_NOCACHE;
                 if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) {
-                        int err = arp_bind_neighbour(&rt->dst);
+                        int err = rt_bind_neighbour(rt);
                         if (err) {
                                 if (net_ratelimit())
                                         printk(KERN_WARNING
@@ -1138,7 +1163,7 @@ restart:
            route or unicast forwarding path.
          */
         if (rt->rt_type == RTN_UNICAST || rt_is_output_route(rt)) {
-                int err = arp_bind_neighbour(&rt->dst);
+                int err = rt_bind_neighbour(rt);
                 if (err) {
                         spin_unlock_bh(rt_hash_lock_addr(hash));
 
@@ -1316,6 +1341,23 @@ reject_redirect:
         ;
 }
 
+static bool peer_pmtu_expired(struct inet_peer *peer)
+{
+        unsigned long orig = ACCESS_ONCE(peer->pmtu_expires);
+
+        return orig &&
+               time_after_eq(jiffies, orig) &&
+               cmpxchg(&peer->pmtu_expires, orig, 0) == orig;
+}
+
+static bool peer_pmtu_cleaned(struct inet_peer *peer)
+{
+        unsigned long orig = ACCESS_ONCE(peer->pmtu_expires);
+
+        return orig &&
+               cmpxchg(&peer->pmtu_expires, orig, 0) == orig;
+}
+
 static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
 {
         struct rtable *rt = (struct rtable *)dst;
@@ -1331,14 +1373,8 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
                                                 rt_genid(dev_net(dst->dev)));
                         rt_del(hash, rt);
                         ret = NULL;
-                } else if (rt->peer &&
-                           rt->peer->pmtu_expires &&
-                           time_after_eq(jiffies, rt->peer->pmtu_expires)) {
-                        unsigned long orig = rt->peer->pmtu_expires;
-
-                        if (cmpxchg(&rt->peer->pmtu_expires, orig, 0) == orig)
-                                dst_metric_set(dst, RTAX_MTU,
-                                               rt->peer->pmtu_orig);
+                } else if (rt->peer && peer_pmtu_expired(rt->peer)) {
+                        dst_metric_set(dst, RTAX_MTU, rt->peer->pmtu_orig);
                 }
         }
         return ret;
@@ -1428,20 +1464,20 @@ static int ip_error(struct sk_buff *skb)
         int code;
 
         switch (rt->dst.error) {
-                case EINVAL:
-                default:
-                        goto out;
-                case EHOSTUNREACH:
-                        code = ICMP_HOST_UNREACH;
-                        break;
-                case ENETUNREACH:
-                        code = ICMP_NET_UNREACH;
-                        IP_INC_STATS_BH(dev_net(rt->dst.dev),
-                                        IPSTATS_MIB_INNOROUTES);
-                        break;
-                case EACCES:
-                        code = ICMP_PKT_FILTERED;
-                        break;
+        case EINVAL:
+        default:
+                goto out;
+        case EHOSTUNREACH:
+                code = ICMP_HOST_UNREACH;
+                break;
+        case ENETUNREACH:
+                code = ICMP_NET_UNREACH;
+                IP_INC_STATS_BH(dev_net(rt->dst.dev),
+                                IPSTATS_MIB_INNOROUTES);
+                break;
+        case EACCES:
+                code = ICMP_PKT_FILTERED;
+                break;
         }
 
         if (!rt->peer)
@@ -1531,8 +1567,10 @@ unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph,
 
 static void check_peer_pmtu(struct dst_entry *dst, struct inet_peer *peer)
 {
-        unsigned long expires = peer->pmtu_expires;
+        unsigned long expires = ACCESS_ONCE(peer->pmtu_expires);
 
+        if (!expires)
+                return;
         if (time_before(jiffies, expires)) {
                 u32 orig_dst_mtu = dst_mtu(dst);
                 if (peer->pmtu_learned < orig_dst_mtu) {
@@ -1555,10 +1593,11 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
                 rt_bind_peer(rt, rt->rt_dst, 1);
         peer = rt->peer;
         if (peer) {
+                unsigned long pmtu_expires = ACCESS_ONCE(peer->pmtu_expires);
+
                 if (mtu < ip_rt_min_pmtu)
                         mtu = ip_rt_min_pmtu;
-                if (!peer->pmtu_expires || mtu < peer->pmtu_learned) {
-                        unsigned long pmtu_expires;
+                if (!pmtu_expires || mtu < peer->pmtu_learned) {
 
                         pmtu_expires = jiffies + ip_rt_mtu_expires;
                         if (!pmtu_expires)
@@ -1585,7 +1624,7 @@ static int check_peer_redir(struct dst_entry *dst, struct inet_peer *peer)
         rt->dst.neighbour = NULL;
 
         rt->rt_gateway = peer->redirect_learned.a4;
-        if (arp_bind_neighbour(&rt->dst) ||
+        if (rt_bind_neighbour(rt) ||
             !(rt->dst.neighbour->nud_state & NUD_VALID)) {
                 if (rt->dst.neighbour)
                         neigh_event_send(rt->dst.neighbour, NULL);
@@ -1612,13 +1651,14 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
                         rt_bind_peer(rt, rt->rt_dst, 0);
 
                 peer = rt->peer;
-                if (peer && peer->pmtu_expires)
+                if (peer) {
                         check_peer_pmtu(dst, peer);
 
-                if (peer && peer->redirect_learned.a4 &&
-                    peer->redirect_learned.a4 != rt->rt_gateway) {
-                        if (check_peer_redir(dst, peer))
-                                return NULL;
+                        if (peer->redirect_learned.a4 &&
+                            peer->redirect_learned.a4 != rt->rt_gateway) {
+                                if (check_peer_redir(dst, peer))
+                                        return NULL;
+                        }
                 }
 
                 rt->rt_peer_genid = rt_peer_genid();
@@ -1649,14 +1689,8 @@ static void ipv4_link_failure(struct sk_buff *skb)
         icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0);
 
         rt = skb_rtable(skb);
-        if (rt &&
-            rt->peer &&
-            rt->peer->pmtu_expires) {
-                unsigned long orig = rt->peer->pmtu_expires;
-
-                if (cmpxchg(&rt->peer->pmtu_expires, orig, 0) == orig)
-                        dst_metric_set(&rt->dst, RTAX_MTU, rt->peer->pmtu_orig);
-        }
+        if (rt && rt->peer && peer_pmtu_cleaned(rt->peer))
+                dst_metric_set(&rt->dst, RTAX_MTU, rt->peer->pmtu_orig);
 }
 
 static int ip_rt_bug(struct sk_buff *skb)
@@ -1770,8 +1804,7 @@ static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4,
                                sizeof(u32) * RTAX_MAX);
                 dst_init_metrics(&rt->dst, peer->metrics, false);
 
-                if (peer->pmtu_expires)
-                        check_peer_pmtu(&rt->dst, peer);
+                check_peer_pmtu(&rt->dst, peer);
                 if (peer->redirect_learned.a4 &&
                     peer->redirect_learned.a4 != rt->rt_gateway) {
                         rt->rt_gateway = peer->redirect_learned.a4;
@@ -1894,9 +1927,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
         hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
         rth = rt_intern_hash(hash, rth, skb, dev->ifindex);
-        err = 0;
-        if (IS_ERR(rth))
-                err = PTR_ERR(rth);
+        return IS_ERR(rth) ? PTR_ERR(rth) : 0;
 
 e_nobufs:
         return -ENOBUFS;
@@ -2775,7 +2806,8 @@ static int rt_fill_info(struct net *net,
         struct rtable *rt = skb_rtable(skb);
         struct rtmsg *r;
         struct nlmsghdr *nlh;
-        long expires;
+        long expires = 0;
+        const struct inet_peer *peer = rt->peer;
         u32 id = 0, ts = 0, tsage = 0, error;
 
         nlh = nlmsg_put(skb, pid, seq, event, sizeof(*r), flags);
@@ -2823,15 +2855,16 @@ static int rt_fill_info(struct net *net,
                 NLA_PUT_BE32(skb, RTA_MARK, rt->rt_mark);
 
         error = rt->dst.error;
-        expires = (rt->peer && rt->peer->pmtu_expires) ?
-                rt->peer->pmtu_expires - jiffies : 0;
-        if (rt->peer) {
+        if (peer) {
                 inet_peer_refcheck(rt->peer);
-                id = atomic_read(&rt->peer->ip_id_count) & 0xffff;
-                if (rt->peer->tcp_ts_stamp) {
-                        ts = rt->peer->tcp_ts;
-                        tsage = get_seconds() - rt->peer->tcp_ts_stamp;
+                id = atomic_read(&peer->ip_id_count) & 0xffff;
+                if (peer->tcp_ts_stamp) {
+                        ts = peer->tcp_ts;
+                        tsage = get_seconds() - peer->tcp_ts_stamp;
                 }
+                expires = ACCESS_ONCE(peer->pmtu_expires);
+                if (expires)
+                        expires -= jiffies;
         }
 
         if (rt_is_input_route(rt)) {
@@ -3295,7 +3328,7 @@ int __init ip_rt_init(void)
         xfrm_init();
         xfrm4_init(ip_rt_max_size);
 #endif
-        rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL);
+        rtnl_register(PF_INET, RTM_GETROUTE, inet_rtm_getroute, NULL, NULL);
 
 #ifdef CONFIG_SYSCTL
         register_pernet_subsys(&sysctl_route_ops);
diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index 26461492a847..92bb9434b338 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -316,6 +316,7 @@ struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb,
         ireq->wscale_ok         = tcp_opt.wscale_ok;
         ireq->tstamp_ok         = tcp_opt.saw_tstamp;
         req->ts_recent          = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
+        treq->snt_synack        = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
 
         /* We throwed the options of the initial SYN away, so we hope
          * the ACK carries the same options again (see RFC1122 4.2.3.8)
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 57d0752e239a..69fd7201129a 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -398,20 +398,6 @@ static struct ctl_table ipv4_table[] = {
                 .proc_handler   = proc_dointvec_jiffies,
         },
         {
-                .procname       = "inet_peer_gc_mintime",
-                .data           = &inet_peer_gc_mintime,
-                .maxlen         = sizeof(int),
-                .mode           = 0644,
-                .proc_handler   = proc_dointvec_jiffies,
-        },
-        {
-                .procname       = "inet_peer_gc_maxtime",
-                .data           = &inet_peer_gc_maxtime,
-                .maxlen         = sizeof(int),
-                .mode           = 0644,
-                .proc_handler   = proc_dointvec_jiffies,
-        },
-        {
                 .procname       = "tcp_orphan_retries",
                 .data           = &sysctl_tcp_orphan_retries,
                 .maxlen         = sizeof(int),
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 054a59d21eb0..46febcacb729 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3220,7 +3220,7 @@ __setup("thash_entries=", set_thash_entries);
 void __init tcp_init(void)
 {
         struct sk_buff *skb = NULL;
-        unsigned long nr_pages, limit;
+        unsigned long limit;
         int i, max_share, cnt;
         unsigned long jiffy = jiffies;
 
@@ -3277,13 +3277,7 @@ void __init tcp_init(void)
         sysctl_tcp_max_orphans = cnt / 2;
         sysctl_max_syn_backlog = max(128, cnt / 256);
 
-        /* Set the pressure threshold to be a fraction of global memory that
-         * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
-         * memory, with a floor of 128 pages.
-         */
-        nr_pages = totalram_pages - totalhigh_pages;
-        limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-        limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+        limit = nr_free_buffer_pages() / 8;
         limit = max(limit, 128UL);
         sysctl_tcp_mem[0] = limit / 4 * 3;
         sysctl_tcp_mem[1] = limit;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index bef9f04c22ba..ea0d2183df4b 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -880,6 +880,11 @@ static void tcp_init_metrics(struct sock *sk)
                 tp->snd_ssthresh = dst_metric(dst, RTAX_SSTHRESH);
                 if (tp->snd_ssthresh > tp->snd_cwnd_clamp)
                         tp->snd_ssthresh = tp->snd_cwnd_clamp;
+        } else {
+                /* ssthresh may have been reduced unnecessarily during.
+                 * 3WHS. Restore it back to its initial default.
+                 */
+                tp->snd_ssthresh = TCP_INFINITE_SSTHRESH;
         }
         if (dst_metric(dst, RTAX_REORDERING) &&
             tp->reordering != dst_metric(dst, RTAX_REORDERING)) {
@@ -887,10 +892,7 @@ static void tcp_init_metrics(struct sock *sk)
                 tp->reordering = dst_metric(dst, RTAX_REORDERING);
         }
 
-        if (dst_metric(dst, RTAX_RTT) == 0)
-                goto reset;
-
-        if (!tp->srtt && dst_metric_rtt(dst, RTAX_RTT) < (TCP_TIMEOUT_INIT << 3))
+        if (dst_metric(dst, RTAX_RTT) == 0 || tp->srtt == 0)
                 goto reset;
 
         /* Initial rtt is determined from SYN,SYN-ACK.
@@ -916,19 +918,26 @@ static void tcp_init_metrics(struct sock *sk)
                 tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk));
         }
         tcp_set_rto(sk);
-        if (inet_csk(sk)->icsk_rto < TCP_TIMEOUT_INIT && !tp->rx_opt.saw_tstamp) {
 reset:
-                /* Play conservative. If timestamps are not
-                 * supported, TCP will fail to recalculate correct
-                 * rtt, if initial rto is too small. FORGET ALL AND RESET!
+        if (tp->srtt == 0) {
+                /* RFC2988bis: We've failed to get a valid RTT sample from
+                 * 3WHS. This is most likely due to retransmission,
+                 * including spurious one. Reset the RTO back to 3secs
+                 * from the more aggressive 1sec to avoid more spurious
+                 * retransmission.
                  */
-                if (!tp->rx_opt.saw_tstamp && tp->srtt) {
-                        tp->srtt = 0;
-                        tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_INIT;
-                        inet_csk(sk)->icsk_rto = TCP_TIMEOUT_INIT;
-                }
+                tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_FALLBACK;
+                inet_csk(sk)->icsk_rto = TCP_TIMEOUT_FALLBACK;
         }
-        tp->snd_cwnd = tcp_init_cwnd(tp, dst);
+        /* Cut cwnd down to 1 per RFC5681 if SYN or SYN-ACK has been
+         * retransmitted. In light of RFC2988bis' more aggressive 1sec
+         * initRTO, we only reset cwnd when more than 1 SYN/SYN-ACK
+         * retransmission has occurred.
+         */
+        if (tp->total_retrans > 1)
+                tp->snd_cwnd = 1;
+        else
+                tp->snd_cwnd = tcp_init_cwnd(tp, dst);
         tp->snd_cwnd_stamp = tcp_time_stamp;
 }
 
@@ -3112,12 +3121,13 @@ static void tcp_fastretrans_alert(struct sock *sk, int pkts_acked, int flag)
         tcp_xmit_retransmit_queue(sk);
 }
 
-static void tcp_valid_rtt_meas(struct sock *sk, u32 seq_rtt)
+void tcp_valid_rtt_meas(struct sock *sk, u32 seq_rtt)
 {
         tcp_rtt_estimator(sk, seq_rtt);
         tcp_set_rto(sk);
         inet_csk(sk)->icsk_backoff = 0;
 }
+EXPORT_SYMBOL(tcp_valid_rtt_meas);
 
 /* Read draft-ietf-tcplw-high-performance before mucking
  * with this code. (Supersedes RFC1323)
@@ -5806,12 +5816,6 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
                                               tp->rx_opt.snd_wscale;
                                 tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);
 
-                                /* tcp_ack considers this ACK as duplicate
-                                 * and does not calculate rtt.
-                                 * Force it here.
-                                 */
-                                tcp_ack_update_rtt(sk, 0, 0);
-
                                 if (tp->rx_opt.tstamp_ok)
                                         tp->advmss -= TCPOLEN_TSTAMP_ALIGNED;
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index a7d6671e33b8..955b8e65b69e 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -429,8 +429,8 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
                         break;
 
                 icsk->icsk_backoff--;
-                inet_csk(sk)->icsk_rto = __tcp_set_rto(tp) <<
-                                         icsk->icsk_backoff;
+                inet_csk(sk)->icsk_rto = (tp->srtt ? __tcp_set_rto(tp) :
+                        TCP_TIMEOUT_INIT) << icsk->icsk_backoff;
                 tcp_bound_rto(sk);
 
                 skb = tcp_write_queue_head(sk);
@@ -1384,6 +1384,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
                 isn = tcp_v4_init_sequence(skb);
         }
         tcp_rsk(req)->snt_isn = isn;
+        tcp_rsk(req)->snt_synack = tcp_time_stamp;
 
         if (tcp_v4_send_synack(sk, dst, req,
                                (struct request_values *)&tmp_ext) ||
@@ -1458,6 +1459,10 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
                 newtp->advmss = tcp_sk(sk)->rx_opt.user_mss;
 
         tcp_initialize_rcv_mss(newsk);
+        if (tcp_rsk(req)->snt_synack)
+                tcp_valid_rtt_meas(newsk,
+                    tcp_time_stamp - tcp_rsk(req)->snt_synack);
+        newtp->total_retrans = req->retrans;
 
 #ifdef CONFIG_TCP_MD5SIG
         /* Copy over the MD5 key from the original socket */
@@ -1589,6 +1594,7 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
                         goto discard;
 
                 if (nsk != sk) {
+                        sock_rps_save_rxhash(nsk, skb->rxhash);
                         if (tcp_child_process(sk, nsk, skb)) {
                                 rsk = nsk;
                                 goto reset;
@@ -1854,7 +1860,7 @@ static int tcp_v4_init_sock(struct sock *sk)
          * algorithms that we must have the following bandaid to talk
          * efficiently to them.  -DaveM
          */
-        tp->snd_cwnd = 2;
+        tp->snd_cwnd = TCP_INIT_CWND;
 
         /* See draft-stevens-tcpca-spec-01 for discussion of the
          * initialization of these values.
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 80b1f80759ab..d2fe4e06b472 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -486,7 +486,7 @@ struct sock *tcp_create_openreq_child(struct sock *sk, struct request_sock *req,
                  * algorithms that we must have the following bandaid to talk
                  * efficiently to them.  -DaveM
                  */
-                newtp->snd_cwnd = 2;
+                newtp->snd_cwnd = TCP_INIT_CWND;
                 newtp->snd_cwnd_cnt = 0;
                 newtp->bytes_acked = 0;
 
@@ -720,6 +720,10 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
                 NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPDEFERACCEPTDROP);
                 return NULL;
         }
+        if (tmp_opt.saw_tstamp && tmp_opt.rcv_tsecr)
+                tcp_rsk(req)->snt_synack = tmp_opt.rcv_tsecr;
+        else if (req->retrans) /* don't take RTT sample if retrans && ~TS */
+                tcp_rsk(req)->snt_synack = 0;
 
         /* OK, ACK is valid, create big socket and
          * feed this segment to it. It will repeat all
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index abca870d8ff6..1b5a19340a95 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -105,6 +105,7 @@
 #include <net/route.h>
 #include <net/checksum.h>
 #include <net/xfrm.h>
+#include <trace/events/udp.h>
 #include "udp_impl.h"
 
 struct udp_table udp_table __read_mostly;
@@ -1249,6 +1250,9 @@ csum_copy_err:
 
         if (noblock)
                 return -EAGAIN;
+
+        /* starting over for a new packet */
+        msg->msg_flags &= ~MSG_TRUNC;
         goto try_again;
 }
 
@@ -1363,6 +1367,7 @@ static int __udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
                                          is_udplite);
                 UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
                 kfree_skb(skb);
+                trace_udp_fail_queue_rcv_skb(rc, sk);
                 return -1;
         }
 
@@ -2206,16 +2211,10 @@ void __init udp_table_init(struct udp_table *table, const char *name)
 
 void __init udp_init(void)
 {
-        unsigned long nr_pages, limit;
+        unsigned long limit;
 
         udp_table_init(&udp_table, "UDP");
-        /* Set the pressure threshold up by the same strategy of TCP. It is a
-         * fraction of global memory that is up to 1/2 at 256 MB, decreasing
-         * toward zero with the amount of memory, with a floor of 128 pages.
-         */
-        nr_pages = totalram_pages - totalhigh_pages;
-        limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-        limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+        limit = nr_free_buffer_pages() / 8;
         limit = max(limit, 128UL);
         sysctl_udp_mem[0] = limit / 4 * 3;
         sysctl_udp_mem[1] = limit;
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 2d51840e53a1..327a617d594c 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -32,7 +32,12 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
         dst = skb_dst(skb);
         mtu = dst_mtu(dst);
         if (skb->len > mtu) {
-                icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
+                if (skb->sk)
+                        ip_local_error(skb->sk, EMSGSIZE, ip_hdr(skb)->daddr,
+                                       inet_sk(skb->sk)->inet_dport, mtu);
+                else
+                        icmp_send(skb, ICMP_DEST_UNREACH,
+                                  ICMP_FRAG_NEEDED, htonl(mtu));
                 ret = -EMSGSIZE;
         }
 out:
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 981e43eaf704..fc5368ad2b0d 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -117,7 +117,7 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse)
         memset(fl4, 0, sizeof(struct flowi4));
         fl4->flowi4_mark = skb->mark;
 
-        if (!(iph->frag_off & htons(IP_MF | IP_OFFSET))) {
+        if (!ip_is_fragment(iph)) {
                 switch (iph->protocol) {
                 case IPPROTO_UDP:
                 case IPPROTO_UDPLITE:
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 498b927f68be..fc6d37723664 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1470,6 +1470,8 @@ void addrconf_leave_solict(struct inet6_dev *idev, const struct in6_addr *addr)
 static void addrconf_join_anycast(struct inet6_ifaddr *ifp)
 {
         struct in6_addr addr;
+        if (ifp->prefix_len == 127) /* RFC 6164 */
+                return;
         ipv6_addr_prefix(&addr, &ifp->addr, ifp->prefix_len);
         if (ipv6_addr_any(&addr))
                 return;
@@ -1559,6 +1561,11 @@ static int addrconf_ifid_sit(u8 *eui, struct net_device *dev)
         return -1;
 }
 
+static int addrconf_ifid_gre(u8 *eui, struct net_device *dev)
+{
+        return __ipv6_isatap_ifid(eui, *(__be32 *)dev->dev_addr);
+}
+
 static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
 {
         switch (dev->type) {
@@ -1572,6 +1579,8 @@ static int ipv6_generate_eui64(u8 *eui, struct net_device *dev)
                 return addrconf_ifid_infiniband(eui, dev);
         case ARPHRD_SIT:
                 return addrconf_ifid_sit(eui, dev);
+        case ARPHRD_IPGRE:
+                return addrconf_ifid_gre(eui, dev);
         }
         return -1;
 }
@@ -2423,6 +2432,29 @@ static void addrconf_sit_config(struct net_device *dev)
 }
 #endif
 
+#if defined(CONFIG_NET_IPGRE) || defined(CONFIG_NET_IPGRE_MODULE)
+static void addrconf_gre_config(struct net_device *dev)
+{
+        struct inet6_dev *idev;
+        struct in6_addr addr;
+
+        pr_info("ipv6: addrconf_gre_config(%s)\n", dev->name);
+
+        ASSERT_RTNL();
+
+        if ((idev = ipv6_find_idev(dev)) == NULL) {
+                printk(KERN_DEBUG "init gre: add_dev failed\n");
+                return;
+        }
+
+        ipv6_addr_set(&addr,  htonl(0xFE800000), 0, 0, 0);
+        addrconf_prefix_route(&addr, 64, dev, 0, 0);
+
+        if (!ipv6_generate_eui64(addr.s6_addr + 8, dev))
+                addrconf_add_linklocal(idev, &addr);
+}
+#endif
+
 static inline int
 ipv6_inherit_linklocal(struct inet6_dev *idev, struct net_device *link_dev)
 {
@@ -2539,6 +2571,11 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
                         addrconf_sit_config(dev);
                         break;
 #endif
+#if defined(CONFIG_NET_IPGRE) || defined(CONFIG_NET_IPGRE_MODULE)
+                case ARPHRD_IPGRE:
+                        addrconf_gre_config(dev);
+                        break;
+#endif
                 case ARPHRD_TUNNEL6:
                         addrconf_ip6_tnl_config(dev);
                         break;
@@ -4692,16 +4729,20 @@ int __init addrconf_init(void)
         if (err < 0)
                 goto errout_af;
 
-        err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo);
+        err = __rtnl_register(PF_INET6, RTM_GETLINK, NULL, inet6_dump_ifinfo,
+                              NULL);
         if (err < 0)
                 goto errout;
 
         /* Only the first call to __rtnl_register can fail */
-        __rtnl_register(PF_INET6, RTM_NEWADDR, inet6_rtm_newaddr, NULL);
-        __rtnl_register(PF_INET6, RTM_DELADDR, inet6_rtm_deladdr, NULL);
-        __rtnl_register(PF_INET6, RTM_GETADDR, inet6_rtm_getaddr, inet6_dump_ifaddr);
-        __rtnl_register(PF_INET6, RTM_GETMULTICAST, NULL, inet6_dump_ifmcaddr);
-        __rtnl_register(PF_INET6, RTM_GETANYCAST, NULL, inet6_dump_ifacaddr);
+        __rtnl_register(PF_INET6, RTM_NEWADDR, inet6_rtm_newaddr, NULL, NULL);
+        __rtnl_register(PF_INET6, RTM_DELADDR, inet6_rtm_deladdr, NULL, NULL);
+        __rtnl_register(PF_INET6, RTM_GETADDR, inet6_rtm_getaddr,
+                        inet6_dump_ifaddr, NULL);
+        __rtnl_register(PF_INET6, RTM_GETMULTICAST, NULL,
+                        inet6_dump_ifmcaddr, NULL);
+        __rtnl_register(PF_INET6, RTM_GETANYCAST, NULL,
+                        inet6_dump_ifacaddr, NULL);
 
         ipv6_addr_label_rtnl_register();
 
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index c8993e5a337c..2d8ddba9ee58 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -592,8 +592,11 @@ out:
 
 void __init ipv6_addr_label_rtnl_register(void)
 {
-        __rtnl_register(PF_INET6, RTM_NEWADDRLABEL, ip6addrlbl_newdel, NULL);
-        __rtnl_register(PF_INET6, RTM_DELADDRLABEL, ip6addrlbl_newdel, NULL);
-        __rtnl_register(PF_INET6, RTM_GETADDRLABEL, ip6addrlbl_get, ip6addrlbl_dump);
+        __rtnl_register(PF_INET6, RTM_NEWADDRLABEL, ip6addrlbl_newdel,
+                        NULL, NULL);
+        __rtnl_register(PF_INET6, RTM_DELADDRLABEL, ip6addrlbl_newdel,
+                        NULL, NULL);
+        __rtnl_register(PF_INET6, RTM_GETADDRLABEL, ip6addrlbl_get,
+                        ip6addrlbl_dump, NULL);
 }
 
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b7919f901fbf..3b5669a2582d 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -272,6 +272,10 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 
         if (addr_len < SIN6_LEN_RFC2133)
                 return -EINVAL;
+
+        if (addr->sin6_family != AF_INET6)
+                return -EAFNOSUPPORT;
+
         addr_type = ipv6_addr_type(&addr->sin6_addr);
         if ((addr_type & IPV6_ADDR_MULTICAST) && sock->type == SOCK_STREAM)
                 return -EINVAL;
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 4076a0b14b20..3030bdfd3ca4 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1586,7 +1586,8 @@ int __init fib6_init(void)
         if (ret)
                 goto out_kmem_cache_create;
 
-        ret = __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib);
+        ret = __rtnl_register(PF_INET6, RTM_GETROUTE, NULL, inet6_dump_fib,
+                              NULL);
         if (ret)
                 goto out_unregister_subsys;
 out:
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 9d4b165837d6..f0f144cac0bd 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -100,6 +100,7 @@ static int ip6_finish_output2(struct sk_buff *skb)
 {
         struct dst_entry *dst = skb_dst(skb);
         struct net_device *dev = dst->dev;
+        struct neighbour *neigh;
 
         skb->protocol = htons(ETH_P_IPV6);
         skb->dev = dev;
@@ -134,11 +135,14 @@ static int ip6_finish_output2(struct sk_buff *skb)
                                 skb->len);
         }
 
-        if (dst->hh)
-                return neigh_hh_output(dst->hh, skb);
-        else if (dst->neighbour)
-                return dst->neighbour->output(skb);
-
+        neigh = dst->neighbour;
+        if (neigh) {
+                struct hh_cache *hh = &neigh->hh;
+                if (hh->hh_len)
+                        return neigh_hh_output(hh, skb);
+                else
+                        return dst->neighbour->output(skb);
+        }
         IP6_INC_STATS_BH(dev_net(dst->dev),
                          ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
         kfree_skb(skb);
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 82a809901f8e..705c82886281 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1354,7 +1354,8 @@ int __init ip6_mr_init(void)
                 goto add_proto_fail;
         }
 #endif
-        rtnl_register(RTNL_FAMILY_IP6MR, RTM_GETROUTE, NULL, ip6mr_rtm_dumproute);
+        rtnl_register(RTNL_FAMILY_IP6MR, RTM_GETROUTE, NULL,
+                      ip6mr_rtm_dumproute, NULL);
         return 0;
 #ifdef CONFIG_IPV6_PIMSM_V2
 add_proto_fail:
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 413ab0754e1f..249394863284 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -204,7 +204,8 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
         else
                 pmsg->outdev_name[0] = '\0';
 
-        if (entry->indev && entry->skb->dev) {
+        if (entry->indev && entry->skb->dev &&
+            entry->skb->mac_header != entry->skb->network_header) {
                 pmsg->hw_type = entry->skb->dev->type;
                 pmsg->hw_addrlen = dev_parse_header(entry->skb, pmsg->hw_addr);
         }
@@ -403,7 +404,8 @@ ipq_dev_drop(int ifindex)
 static inline void
 __ipq_rcv_skb(struct sk_buff *skb)
 {
-        int status, type, pid, flags, nlmsglen, skblen;
+        int status, type, pid, flags;
+        unsigned int nlmsglen, skblen;
         struct nlmsghdr *nlh;
 
         skblen = skb->len;
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index c8af58b22562..4111050a9fc5 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -160,7 +160,7 @@ static unsigned int ipv6_confirm(unsigned int hooknum,
 
         /* This is where we call the helper: as the packet goes out. */
         ct = nf_ct_get(skb, &ctinfo);
-        if (!ct || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY)
+        if (!ct || ctinfo == IP_CT_RELATED_REPLY)
                 goto out;
 
         help = nfct_help(ct);
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 1df3c8b6bf47..7c05e7eacbc6 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -177,7 +177,7 @@ icmpv6_error_message(struct net *net, struct nf_conn *tmpl,
         /* Update skb to refer to this connection */
         skb->nfct = &nf_ct_tuplehash_to_ctrack(h)->ct_general;
         skb->nfctinfo = *ctinfo;
-        return -NF_ACCEPT;
+        return NF_ACCEPT;
 }
 
 static int
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index cc7313b8f7ea..6a79f3081bdb 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -959,57 +959,54 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
                 return -EFAULT;
 
         switch (optname) {
-                case IPV6_CHECKSUM:
-                        if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
-                            level == IPPROTO_IPV6) {
-                                /*
-                                 * RFC3542 tells that IPV6_CHECKSUM socket
-                                 * option in the IPPROTO_IPV6 level is not
-                                 * allowed on ICMPv6 sockets.
-                                 * If you want to set it, use IPPROTO_RAW
-                                 * level IPV6_CHECKSUM socket option
-                                 * (Linux extension).
-                                 */
-                                return -EINVAL;
-                        }
+        case IPV6_CHECKSUM:
+                if (inet_sk(sk)->inet_num == IPPROTO_ICMPV6 &&
+                    level == IPPROTO_IPV6) {
+                        /*
+                         * RFC3542 tells that IPV6_CHECKSUM socket
+                         * option in the IPPROTO_IPV6 level is not
+                         * allowed on ICMPv6 sockets.
+                         * If you want to set it, use IPPROTO_RAW
+                         * level IPV6_CHECKSUM socket option
+                         * (Linux extension).
+                         */
+                        return -EINVAL;
+                }
 
-                        /* You may get strange result with a positive odd offset;
-                           RFC2292bis agrees with me. */
-                        if (val > 0 && (val&1))
-                                return -EINVAL;
-                        if (val < 0) {
-                                rp->checksum = 0;
-                        } else {
-                                rp->checksum = 1;
-                                rp->offset = val;
-                        }
+                /* You may get strange result with a positive odd offset;
+                   RFC2292bis agrees with me. */
+                if (val > 0 && (val&1))
+                        return -EINVAL;
+                if (val < 0) {
+                        rp->checksum = 0;
+                } else {
+                        rp->checksum = 1;
+                        rp->offset = val;
+                }
 
-                        return 0;
-                        break;
+                return 0;
 
-                default:
-                        return -ENOPROTOOPT;
+        default:
+                return -ENOPROTOOPT;
         }
 }
 
 static int rawv6_setsockopt(struct sock *sk, int level, int optname,
                           char __user *optval, unsigned int optlen)
 {
-        switch(level) {
-                case SOL_RAW:
-                        break;
+        switch (level) {
+        case SOL_RAW:
+                break;
 
-                case SOL_ICMPV6:
-                        if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
-                                return -EOPNOTSUPP;
-                        return rawv6_seticmpfilter(sk, level, optname, optval,
-                                                   optlen);
-                case SOL_IPV6:
-                        if (optname == IPV6_CHECKSUM)
-                                break;
-                default:
-                        return ipv6_setsockopt(sk, level, optname, optval,
-                                               optlen);
+        case SOL_ICMPV6:
+                if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+                        return -EOPNOTSUPP;
+                return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
+        case SOL_IPV6:
+                if (optname == IPV6_CHECKSUM)
+                        break;
+        default:
+                return ipv6_setsockopt(sk, level, optname, optval, optlen);
         }
 
         return do_rawv6_setsockopt(sk, level, optname, optval, optlen);
@@ -1075,21 +1072,19 @@ static int do_rawv6_getsockopt(struct sock *sk, int level, int optname,
 static int rawv6_getsockopt(struct sock *sk, int level, int optname,
                           char __user *optval, int __user *optlen)
 {
-        switch(level) {
-                case SOL_RAW:
-                        break;
+        switch (level) {
+        case SOL_RAW:
+                break;
 
-                case SOL_ICMPV6:
-                        if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
-                                return -EOPNOTSUPP;
-                        return rawv6_geticmpfilter(sk, level, optname, optval,
-                                                   optlen);
-                case SOL_IPV6:
-                        if (optname == IPV6_CHECKSUM)
-                                break;
-                default:
-                        return ipv6_getsockopt(sk, level, optname, optval,
-                                               optlen);
+        case SOL_ICMPV6:
+                if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
+                        return -EOPNOTSUPP;
+                return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
+        case SOL_IPV6:
+                if (optname == IPV6_CHECKSUM)
+                        break;
+        default:
+                return ipv6_getsockopt(sk, level, optname, optval, optlen);
         }
 
         return do_rawv6_getsockopt(sk, level, optname, optval, optlen);
@@ -1119,31 +1114,29 @@ static int compat_rawv6_getsockopt(struct sock *sk, int level, int optname,
 
 static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
 {
-        switch(cmd) {
-                case SIOCOUTQ:
-                {
-                        int amount = sk_wmem_alloc_get(sk);
+        switch (cmd) {
+        case SIOCOUTQ: {
+                int amount = sk_wmem_alloc_get(sk);
 
-                        return put_user(amount, (int __user *)arg);
-                }
-                case SIOCINQ:
-                {
-                        struct sk_buff *skb;
-                        int amount = 0;
-
-                        spin_lock_bh(&sk->sk_receive_queue.lock);
-                        skb = skb_peek(&sk->sk_receive_queue);
-                        if (skb != NULL)
-                                amount = skb->tail - skb->transport_header;
-                        spin_unlock_bh(&sk->sk_receive_queue.lock);
-                        return put_user(amount, (int __user *)arg);
-                }
+                return put_user(amount, (int __user *)arg);
+        }
+        case SIOCINQ: {
+                struct sk_buff *skb;
+                int amount = 0;
+
+                spin_lock_bh(&sk->sk_receive_queue.lock);
+                skb = skb_peek(&sk->sk_receive_queue);
+                if (skb != NULL)
+                        amount = skb->tail - skb->transport_header;
+                spin_unlock_bh(&sk->sk_receive_queue.lock);
+                return put_user(amount, (int __user *)arg);
+        }
 
-                default:
+        default:
 #ifdef CONFIG_IPV6_MROUTE
-                        return ip6mr_ioctl(sk, cmd, (void __user *)arg);
+                return ip6mr_ioctl(sk, cmd, (void __user *)arg);
 #else
-                        return -ENOIOCTLCMD;
+                return -ENOIOCTLCMD;
 #endif
         }
 }
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index de2b1decd786..f032d7700943 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -228,9 +228,10 @@ static struct rt6_info ip6_blk_hole_entry_template = {
 
 /* allocate dst with ip6_dst_ops */
 static inline struct rt6_info *ip6_dst_alloc(struct dst_ops *ops,
-                                             struct net_device *dev)
+                                             struct net_device *dev,
+                                             int flags)
 {
-        struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, 0);
+        struct rt6_info *rt = dst_alloc(ops, dev, 0, 0, flags);
 
         memset(&rt->rt6i_table, 0, sizeof(*rt) - sizeof(struct dst_entry));
 
@@ -1042,7 +1043,7 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
         if (unlikely(idev == NULL))
                 return NULL;
 
-        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev);
+        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, dev, 0);
         if (unlikely(rt == NULL)) {
                 in6_dev_put(idev);
                 goto out;
@@ -1062,14 +1063,6 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev,
         dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255);
         rt->dst.output  = ip6_output;
 
-#if 0   /* there's no chance to use these for ndisc */
-        rt->dst.flags   = ipv6_addr_type(addr) & IPV6_ADDR_UNICAST
-                                ? DST_HOST
-                                : 0;
-        ipv6_addr_copy(&rt->rt6i_dst.addr, addr);
-        rt->rt6i_dst.plen = 128;
-#endif
-
         spin_lock_bh(&icmp6_dst_lock);
         rt->dst.next = icmp6_dst_gc_list;
         icmp6_dst_gc_list = &rt->dst;
@@ -1214,7 +1207,7 @@ int ip6_route_add(struct fib6_config *cfg)
                 goto out;
         }
 
-        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL);
+        rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops, NULL, DST_NOCOUNT);
 
         if (rt == NULL) {
                 err = -ENOMEM;
@@ -1244,7 +1237,7 @@ int ip6_route_add(struct fib6_config *cfg)
         ipv6_addr_prefix(&rt->rt6i_dst.addr, &cfg->fc_dst, cfg->fc_dst_len);
         rt->rt6i_dst.plen = cfg->fc_dst_len;
         if (rt->rt6i_dst.plen == 128)
-               rt->dst.flags = DST_HOST;
+               rt->dst.flags |= DST_HOST;
 
 #ifdef CONFIG_IPV6_SUBTREES
         ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len);
@@ -1734,7 +1727,7 @@ static struct rt6_info * ip6_rt_copy(struct rt6_info *ort)
 {
         struct net *net = dev_net(ort->rt6i_dev);
         struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
-                                            ort->dst.dev);
+                                            ort->dst.dev, 0);
 
         if (rt) {
                 rt->dst.input = ort->dst.input;
@@ -2013,7 +2006,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 {
         struct net *net = dev_net(idev->dev);
         struct rt6_info *rt = ip6_dst_alloc(&net->ipv6.ip6_dst_ops,
-                                            net->loopback_dev);
+                                            net->loopback_dev, 0);
         struct neighbour *neigh;
 
         if (rt == NULL) {
@@ -2025,7 +2018,7 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 
         in6_dev_hold(idev);
 
-        rt->dst.flags = DST_HOST;
+        rt->dst.flags |= DST_HOST;
         rt->dst.input = ip6_input;
         rt->dst.output = ip6_output;
         rt->rt6i_idev = idev;
@@ -2925,9 +2918,9 @@ int __init ip6_route_init(void)
                 goto xfrm6_init;
 
         ret = -ENOBUFS;
-        if (__rtnl_register(PF_INET6, RTM_NEWROUTE, inet6_rtm_newroute, NULL) ||
-            __rtnl_register(PF_INET6, RTM_DELROUTE, inet6_rtm_delroute, NULL) ||
-            __rtnl_register(PF_INET6, RTM_GETROUTE, inet6_rtm_getroute, NULL))
+        if (__rtnl_register(PF_INET6, RTM_NEWROUTE, inet6_rtm_newroute, NULL, NULL) ||
+            __rtnl_register(PF_INET6, RTM_DELROUTE, inet6_rtm_delroute, NULL, NULL) ||
+            __rtnl_register(PF_INET6, RTM_GETROUTE, inet6_rtm_getroute, NULL, NULL))
                 goto fib6_rules_init;
 
         ret = register_netdevice_notifier(&ip6_route_dev_notifier);
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 8b9644a8b697..89d5bf806222 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -223,6 +223,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
         ireq->wscale_ok         = tcp_opt.wscale_ok;
         ireq->tstamp_ok         = tcp_opt.saw_tstamp;
         req->ts_recent          = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsval : 0;
+        treq->snt_synack        = tcp_opt.saw_tstamp ? tcp_opt.rcv_tsecr : 0;
         treq->rcv_isn = ntohl(th->seq) - 1;
         treq->snt_isn = cookie;
 
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index d1fd28711ba5..78aa53492b3e 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1341,6 +1341,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb)
         }
 have_isn:
         tcp_rsk(req)->snt_isn = isn;
+        tcp_rsk(req)->snt_synack = tcp_time_stamp;
 
         security_inet_conn_request(sk, skb, req);
 
@@ -1509,6 +1510,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
         tcp_sync_mss(newsk, dst_mtu(dst));
         newtp->advmss = dst_metric_advmss(dst);
         tcp_initialize_rcv_mss(newsk);
+        if (tcp_rsk(req)->snt_synack)
+                tcp_valid_rtt_meas(newsk,
+                    tcp_time_stamp - tcp_rsk(req)->snt_synack);
+        newtp->total_retrans = req->retrans;
 
         newinet->inet_daddr = newinet->inet_saddr = LOOPBACK4_IPV6;
         newinet->inet_rcv_saddr = LOOPBACK4_IPV6;
@@ -1644,6 +1649,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
                  * the new socket..
                  */
                 if(nsk != sk) {
+                        sock_rps_save_rxhash(nsk, skb->rxhash);
                         if (tcp_child_process(sk, nsk, skb))
                                 goto reset;
                         if (opt_skb)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 41f8c9c08dba..328985c40883 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -453,8 +453,11 @@ csum_copy_err:
         }
         unlock_sock_fast(sk, slow);
 
-        if (flags & MSG_DONTWAIT)
+        if (noblock)
                 return -EAGAIN;
+
+        /* starting over for a new packet */
+        msg->msg_flags &= ~MSG_TRUNC;
         goto try_again;
 }
 
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index cc616974a447..c24f25ab67d3 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -369,7 +369,7 @@ static void irda_getvalue_confirm(int result, __u16 obj_id,
 {
         struct irda_sock *self;
 
-        self = (struct irda_sock *) priv;
+        self = priv;
         if (!self) {
                 IRDA_WARNING("%s: lost myself!\n", __func__);
                 return;
@@ -418,7 +418,7 @@ static void irda_selective_discovery_indication(discinfo_t *discovery,
 
         IRDA_DEBUG(2, "%s()\n", __func__);
 
-        self = (struct irda_sock *) priv;
+        self = priv;
         if (!self) {
                 IRDA_WARNING("%s: lost myself!\n", __func__);
                 return;
diff --git a/net/irda/ircomm/ircomm_tty_attach.c b/net/irda/ircomm/ircomm_tty_attach.c
index 3c1754023022..b65d66e0d817 100644
--- a/net/irda/ircomm/ircomm_tty_attach.c
+++ b/net/irda/ircomm/ircomm_tty_attach.c
@@ -382,7 +382,7 @@ static void ircomm_tty_discovery_indication(discinfo_t *discovery,
         info.daddr = discovery->daddr;
         info.saddr = discovery->saddr;
 
-        self = (struct ircomm_tty_cb *) priv;
+        self = priv;
         ircomm_tty_do_event(self, IRCOMM_TTY_DISCOVERY_INDICATION,
                             NULL, &info);
 }
diff --git a/net/irda/irda_device.c b/net/irda/irda_device.c
index 25cc2e695158..3eca35faf2a8 100644
--- a/net/irda/irda_device.c
+++ b/net/irda/irda_device.c
@@ -262,7 +262,7 @@ static void irda_task_timer_expired(void *data)
 
         IRDA_DEBUG(2, "%s()\n", __func__);
 
-        task = (struct irda_task *) data;
+        task = data;
 
         irda_task_kick(task);
 }
diff --git a/net/irda/iriap.c b/net/irda/iriap.c
index 36477538cea8..e71e85ba2bf1 100644
--- a/net/irda/iriap.c
+++ b/net/irda/iriap.c
@@ -87,6 +87,8 @@ static inline void iriap_start_watchdog_timer(struct iriap_cb *self,
                          iriap_watchdog_timer_expired);
 }
 
+static struct lock_class_key irias_objects_key;
+
 /*
  * Function iriap_init (void)
  *
@@ -114,6 +116,9 @@ int __init iriap_init(void)
                 return -ENOMEM;
         }
 
+        lockdep_set_class_and_name(&irias_objects->hb_spinlock, &irias_objects_key,
+                                   "irias_objects");
+
         /*
          *  Register some default services for IrLMP
          */
@@ -300,7 +305,7 @@ static void iriap_disconnect_indication(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s(), reason=%s\n", __func__, irlmp_reasons[reason]);
 
-        self = (struct iriap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
@@ -754,7 +759,7 @@ static void iriap_connect_confirm(void *instance, void *sap,
 {
         struct iriap_cb *self;
 
-        self = (struct iriap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IAS_MAGIC, return;);
@@ -786,7 +791,7 @@ static void iriap_connect_indication(void *instance, void *sap,
 
         IRDA_DEBUG(1, "%s()\n", __func__);
 
-        self = (struct iriap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(skb != NULL, return;);
         IRDA_ASSERT(self != NULL, goto out;);
@@ -834,7 +839,7 @@ static int iriap_data_indication(void *instance, void *sap,
 
         IRDA_DEBUG(3, "%s()\n", __func__);
 
-        self = (struct iriap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(skb != NULL, return 0;);
         IRDA_ASSERT(self != NULL, goto out;);
diff --git a/net/irda/irlan/irlan_client.c b/net/irda/irlan/irlan_client.c
index 7ed3af957935..ba1a3fc39b5c 100644
--- a/net/irda/irlan/irlan_client.c
+++ b/net/irda/irlan/irlan_client.c
@@ -198,7 +198,7 @@ static int irlan_client_ctrl_data_indication(void *instance, void *sap,
 
         IRDA_DEBUG(2, "%s()\n", __func__ );
 
-        self = (struct irlan_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return -1;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
@@ -226,8 +226,8 @@ static void irlan_client_ctrl_disconnect_indication(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s(), reason=%d\n", __func__ , reason);
 
-        self = (struct irlan_cb *) instance;
-        tsap = (struct tsap_cb *) sap;
+        self = instance;
+        tsap = sap;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -298,7 +298,7 @@ static void irlan_client_ctrl_connect_confirm(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s()\n", __func__ );
 
-        self = (struct irlan_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -542,7 +542,7 @@ void irlan_client_get_value_confirm(int result, __u16 obj_id,
 
         IRDA_ASSERT(priv != NULL, return;);
 
-        self = (struct irlan_cb *) priv;
+        self = priv;
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
 
         /* We probably don't need to make any more queries */
diff --git a/net/irda/irlan/irlan_common.c b/net/irda/irlan/irlan_common.c
index 6130f9d9dbe1..779117636270 100644
--- a/net/irda/irlan/irlan_common.c
+++ b/net/irda/irlan/irlan_common.c
@@ -317,8 +317,8 @@ static void irlan_connect_indication(void *instance, void *sap,
 
         IRDA_DEBUG(2, "%s()\n", __func__ );
 
-        self = (struct irlan_cb *) instance;
-        tsap = (struct tsap_cb *) sap;
+        self = instance;
+        tsap = sap;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -361,7 +361,7 @@ static void irlan_connect_confirm(void *instance, void *sap,
 {
         struct irlan_cb *self;
 
-        self = (struct irlan_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -406,8 +406,8 @@ static void irlan_disconnect_indication(void *instance,
 
         IRDA_DEBUG(0, "%s(), reason=%d\n", __func__ , reason);
 
-        self = (struct irlan_cb *) instance;
-        tsap = (struct tsap_cb *) sap;
+        self = instance;
+        tsap = sap;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c
index 8ee1ff6c742f..e8d5f4405d68 100644
--- a/net/irda/irlan/irlan_eth.c
+++ b/net/irda/irlan/irlan_eth.c
@@ -272,7 +272,7 @@ void irlan_eth_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
         struct irlan_cb *self;
         struct net_device *dev;
 
-        self = (struct irlan_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
diff --git a/net/irda/irlan/irlan_provider.c b/net/irda/irlan/irlan_provider.c
index b8af74ab8b68..8b61cf0d8a69 100644
--- a/net/irda/irlan/irlan_provider.c
+++ b/net/irda/irlan/irlan_provider.c
@@ -73,7 +73,7 @@ static int irlan_provider_data_indication(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s()\n", __func__ );
 
-        self = (struct irlan_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return -1;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return -1;);
@@ -131,8 +131,8 @@ static void irlan_provider_connect_indication(void *instance, void *sap,
 
         IRDA_DEBUG(0, "%s()\n", __func__ );
 
-        self = (struct irlan_cb *) instance;
-        tsap = (struct tsap_cb *) sap;
+        self = instance;
+        tsap = sap;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
@@ -182,8 +182,8 @@ static void irlan_provider_disconnect_indication(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s(), reason=%d\n", __func__ , reason);
 
-        self = (struct irlan_cb *) instance;
-        tsap = (struct tsap_cb *) sap;
+        self = instance;
+        tsap = sap;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == IRLAN_MAGIC, return;);
diff --git a/net/irda/irqueue.c b/net/irda/irqueue.c
index 9715e6e5900b..f06947c4fa82 100644
--- a/net/irda/irqueue.c
+++ b/net/irda/irqueue.c
@@ -780,7 +780,7 @@ void* hashbin_lock_find( hashbin_t* hashbin, long hashv, const char* name )
         /*
          * Search for entry
          */
-        entry = (irda_queue_t* ) hashbin_find( hashbin, hashv, name );
+        entry = hashbin_find(hashbin, hashv, name);
 
         /* Release lock */
         spin_unlock_irqrestore(&hashbin->hb_spinlock, flags);
@@ -813,7 +813,7 @@ void* hashbin_find_next( hashbin_t* hashbin, long hashv, const char* name,
          * This allow to check if the current item is still in the
          * hashbin or has been removed.
          */
-        entry = (irda_queue_t* ) hashbin_find( hashbin, hashv, name );
+        entry = hashbin_find(hashbin, hashv, name);
 
         /*
          * Trick hashbin_get_next() to return what we want
diff --git a/net/irda/irttp.c b/net/irda/irttp.c
index 9d9af4606970..285ccd623ae5 100644
--- a/net/irda/irttp.c
+++ b/net/irda/irttp.c
@@ -350,7 +350,7 @@ static int irttp_param_max_sdu_size(void *instance, irda_param_t *param,
 {
         struct tsap_cb *self;
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return -1;);
         IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return -1;);
@@ -879,7 +879,7 @@ static int irttp_udata_indication(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s()\n", __func__);
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return -1;);
         IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return -1;);
@@ -914,7 +914,7 @@ static int irttp_data_indication(void *instance, void *sap,
         unsigned long flags;
         int n;
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         n = skb->data[0] & 0x7f;     /* Extract the credits */
 
@@ -996,7 +996,7 @@ static void irttp_status_indication(void *instance,
 
         IRDA_DEBUG(4, "%s()\n", __func__);
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
@@ -1025,7 +1025,7 @@ static void irttp_flow_indication(void *instance, void *sap, LOCAL_FLOW flow)
 {
         struct tsap_cb *self;
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
@@ -1208,7 +1208,7 @@ static void irttp_connect_confirm(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s()\n", __func__);
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
@@ -1292,13 +1292,13 @@ static void irttp_connect_indication(void *instance, void *sap,
         __u8 plen;
         __u8 n;
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
         IRDA_ASSERT(skb != NULL, return;);
 
-        lsap = (struct lsap_cb *) sap;
+        lsap = sap;
 
         self->max_seg_size = max_seg_size - TTP_HEADER;
         self->max_header_size = max_header_size+TTP_HEADER;
@@ -1602,7 +1602,7 @@ static void irttp_disconnect_indication(void *instance, void *sap,
 
         IRDA_DEBUG(4, "%s()\n", __func__);
 
-        self = (struct tsap_cb *) instance;
+        self = instance;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == TTP_TSAP_MAGIC, return;);
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
index a15c01524959..7f9124914b13 100644
--- a/net/iucv/iucv.c
+++ b/net/iucv/iucv.c
@@ -54,7 +54,7 @@
 #include <asm/atomic.h>
 #include <asm/ebcdic.h>
 #include <asm/io.h>
-#include <asm/s390_ext.h>
+#include <asm/irq.h>
 #include <asm/smp.h>
 
 /*
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 8f92cf8116ea..1e733e9073d0 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -621,7 +621,7 @@ static struct  xfrm_state *pfkey_xfrm_state_lookup(struct net *net, const struct
         unsigned short family;
         xfrm_address_t *xaddr;
 
-        sa = (const struct sadb_sa *) ext_hdrs[SADB_EXT_SA-1];
+        sa = ext_hdrs[SADB_EXT_SA - 1];
         if (sa == NULL)
                 return NULL;
 
@@ -630,7 +630,7 @@ static struct  xfrm_state *pfkey_xfrm_state_lookup(struct net *net, const struct
                 return NULL;
 
         /* sadb_address_len should be checked by caller */
-        addr = (const struct sadb_address *) ext_hdrs[SADB_EXT_ADDRESS_DST-1];
+        addr = ext_hdrs[SADB_EXT_ADDRESS_DST - 1];
         if (addr == NULL)
                 return NULL;
 
@@ -1039,7 +1039,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
         int err;
 
 
-        sa = (const struct sadb_sa *) ext_hdrs[SADB_EXT_SA-1];
+        sa = ext_hdrs[SADB_EXT_SA - 1];
         if (!sa ||
             !present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC-1],
                                      ext_hdrs[SADB_EXT_ADDRESS_DST-1]))
@@ -1078,7 +1078,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
              sa->sadb_sa_encrypt > SADB_X_CALG_MAX) ||
             sa->sadb_sa_encrypt > SADB_EALG_MAX)
                 return ERR_PTR(-EINVAL);
-        key = (const struct sadb_key*) ext_hdrs[SADB_EXT_KEY_AUTH-1];
+        key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
         if (key != NULL &&
             sa->sadb_sa_auth != SADB_X_AALG_NULL &&
             ((key->sadb_key_bits+7) / 8 == 0 ||
@@ -1105,14 +1105,14 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
         if (sa->sadb_sa_flags & SADB_SAFLAGS_NOPMTUDISC)
                 x->props.flags |= XFRM_STATE_NOPMTUDISC;
 
-        lifetime = (const struct sadb_lifetime*) ext_hdrs[SADB_EXT_LIFETIME_HARD-1];
+        lifetime = ext_hdrs[SADB_EXT_LIFETIME_HARD - 1];
         if (lifetime != NULL) {
                 x->lft.hard_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations);
                 x->lft.hard_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes);
                 x->lft.hard_add_expires_seconds = lifetime->sadb_lifetime_addtime;
                 x->lft.hard_use_expires_seconds = lifetime->sadb_lifetime_usetime;
         }
-        lifetime = (const struct sadb_lifetime*) ext_hdrs[SADB_EXT_LIFETIME_SOFT-1];
+        lifetime = ext_hdrs[SADB_EXT_LIFETIME_SOFT - 1];
         if (lifetime != NULL) {
                 x->lft.soft_packet_limit = _KEY2X(lifetime->sadb_lifetime_allocations);
                 x->lft.soft_byte_limit = _KEY2X(lifetime->sadb_lifetime_bytes);
@@ -1120,7 +1120,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                 x->lft.soft_use_expires_seconds = lifetime->sadb_lifetime_usetime;
         }
 
-        sec_ctx = (const struct sadb_x_sec_ctx *) ext_hdrs[SADB_X_EXT_SEC_CTX-1];
+        sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1];
         if (sec_ctx != NULL) {
                 struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
 
@@ -1134,7 +1134,7 @@ static struct xfrm_state * pfkey_msg2xfrm_state(struct net *net,
                         goto out;
         }
 
-        key = (const struct sadb_key*) ext_hdrs[SADB_EXT_KEY_AUTH-1];
+        key = ext_hdrs[SADB_EXT_KEY_AUTH - 1];
         if (sa->sadb_sa_auth) {
                 int keysize = 0;
                 struct xfrm_algo_desc *a = xfrm_aalg_get_byid(sa->sadb_sa_auth);
@@ -2219,7 +2219,7 @@ static int pfkey_spdadd(struct sock *sk, struct sk_buff *skb, const struct sadb_
         if (xp->selector.dport)
                 xp->selector.dport_mask = htons(0xffff);
 
-        sec_ctx = (struct sadb_x_sec_ctx *) ext_hdrs[SADB_X_EXT_SEC_CTX-1];
+        sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1];
         if (sec_ctx != NULL) {
                 struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
 
@@ -2323,7 +2323,7 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, const struct sa
         if (sel.dport)
                 sel.dport_mask = htons(0xffff);
 
-        sec_ctx = (struct sadb_x_sec_ctx *) ext_hdrs[SADB_X_EXT_SEC_CTX-1];
+        sec_ctx = ext_hdrs[SADB_X_EXT_SEC_CTX - 1];
         if (sec_ctx != NULL) {
                 struct xfrm_user_sec_ctx *uctx = pfkey_sadb2xfrm_user_sec_ctx(sec_ctx);
 
diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c
index b8dbae82fab8..76130134bfa6 100644
--- a/net/l2tp/l2tp_debugfs.c
+++ b/net/l2tp/l2tp_debugfs.c
@@ -258,7 +258,7 @@ static int l2tp_dfs_seq_open(struct inode *inode, struct file *file)
          */
         pd->net = get_net_ns_by_pid(current->pid);
         if (IS_ERR(pd->net)) {
-                rc = -PTR_ERR(pd->net);
+                rc = PTR_ERR(pd->net);
                 goto err_free_pd;
         }
 
diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c
index b6466e71f5e1..d21e7ebd91ca 100644
--- a/net/l2tp/l2tp_ip.c
+++ b/net/l2tp/l2tp_ip.c
@@ -480,18 +480,16 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
         if (connected)
                 rt = (struct rtable *) __sk_dst_check(sk, 0);
 
+        rcu_read_lock();
         if (rt == NULL) {
-                struct ip_options_rcu *inet_opt;
+                const struct ip_options_rcu *inet_opt;
 
-                rcu_read_lock();
                 inet_opt = rcu_dereference(inet->inet_opt);
 
                 /* Use correct destination address if we have options. */
                 if (inet_opt && inet_opt->opt.srr)
                         daddr = inet_opt->opt.faddr;
 
-                rcu_read_unlock();
-
                 /* If this fails, retransmit mechanism of transport layer will
                  * keep trying until route appears or the connection times
                  * itself out.
@@ -503,12 +501,20 @@ static int l2tp_ip_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *m
                                            sk->sk_bound_dev_if);
                 if (IS_ERR(rt))
                         goto no_route;
-                sk_setup_caps(sk, &rt->dst);
+                if (connected)
+                        sk_setup_caps(sk, &rt->dst);
+                else
+                        dst_release(&rt->dst); /* safe since we hold rcu_read_lock */
         }
-        skb_dst_set(skb, dst_clone(&rt->dst));
+
+        /* We dont need to clone dst here, it is guaranteed to not disappear.
+         *  __dev_xmit_skb() might force a refcount if needed.
+         */
+        skb_dst_set_noref(skb, &rt->dst);
 
         /* Queue the packet to IP for output */
         rc = ip_queue_xmit(skb, &inet->cork.fl);
+        rcu_read_unlock();
 
 error:
         /* Update stats */
@@ -525,6 +531,7 @@ out:
         return rc;
 
 no_route:
+        rcu_read_unlock();
         IP_INC_STATS(sock_net(sk), IPSTATS_MIB_OUTNOROUTES);
         kfree_skb(skb);
         rc = -EHOSTUNREACH;
diff --git a/net/lapb/lapb_iface.c b/net/lapb/lapb_iface.c
index d5d8d555c410..956b7e47dc52 100644
--- a/net/lapb/lapb_iface.c
+++ b/net/lapb/lapb_iface.c
@@ -300,26 +300,26 @@ int lapb_disconnect_request(struct net_device *dev)
                 goto out;
 
         switch (lapb->state) {
-                case LAPB_STATE_0:
-                        rc = LAPB_NOTCONNECTED;
-                        goto out_put;
+        case LAPB_STATE_0:
+                rc = LAPB_NOTCONNECTED;
+                goto out_put;
 
-                case LAPB_STATE_1:
+        case LAPB_STATE_1:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S1 TX DISC(1)\n", lapb->dev);
+                printk(KERN_DEBUG "lapb: (%p) S1 TX DISC(1)\n", lapb->dev);
 #endif
 #if LAPB_DEBUG > 0
-                        printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n", lapb->dev);
+                printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n", lapb->dev);
 #endif
-                        lapb_send_control(lapb, LAPB_DISC, LAPB_POLLON, LAPB_COMMAND);
-                        lapb->state = LAPB_STATE_0;
-                        lapb_start_t1timer(lapb);
-                        rc = LAPB_NOTCONNECTED;
-                        goto out_put;
-
-                case LAPB_STATE_2:
-                        rc = LAPB_OK;
-                        goto out_put;
+                lapb_send_control(lapb, LAPB_DISC, LAPB_POLLON, LAPB_COMMAND);
+                lapb->state = LAPB_STATE_0;
+                lapb_start_t1timer(lapb);
+                rc = LAPB_NOTCONNECTED;
+                goto out_put;
+
+        case LAPB_STATE_2:
+                rc = LAPB_OK;
+                goto out_put;
         }
 
         lapb_clear_queues(lapb);
diff --git a/net/lapb/lapb_in.c b/net/lapb/lapb_in.c
index 21904a002449..2ec1af5c36cc 100644
--- a/net/lapb/lapb_in.c
+++ b/net/lapb/lapb_in.c
@@ -44,89 +44,86 @@ static void lapb_state0_machine(struct lapb_cb *lapb, struct sk_buff *skb,
                                 struct lapb_frame *frame)
 {
         switch (frame->type) {
-                case LAPB_SABM:
+        case LAPB_SABM:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S0 RX SABM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S0 RX SABM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        } else {
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                } else {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n", lapb->dev);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                                lapb_stop_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state     = LAPB_STATE_3;
-                                lapb->condition = 0x00;
-                                lapb->n2count   = 0;
-                                lapb->vs        = 0;
-                                lapb->vr        = 0;
-                                lapb->va        = 0;
-                                lapb_connect_indication(lapb, LAPB_OK);
-                        }
-                        break;
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                        lapb_stop_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state     = LAPB_STATE_3;
+                        lapb->condition = 0x00;
+                        lapb->n2count   = 0;
+                        lapb->vs        = 0;
+                        lapb->vr        = 0;
+                        lapb->va        = 0;
+                        lapb_connect_indication(lapb, LAPB_OK);
+                }
+                break;
 
-                case LAPB_SABME:
+        case LAPB_SABME:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S0 RX SABME(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S0 RX SABME(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S0 -> S3\n", lapb->dev);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                                lapb_stop_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state     = LAPB_STATE_3;
-                                lapb->condition = 0x00;
-                                lapb->n2count   = 0;
-                                lapb->vs        = 0;
-                                lapb->vr        = 0;
-                                lapb->va        = 0;
-                                lapb_connect_indication(lapb, LAPB_OK);
-                        } else {
-#if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                        lapb_stop_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state     = LAPB_STATE_3;
+                        lapb->condition = 0x00;
+                        lapb->n2count   = 0;
+                        lapb->vs        = 0;
+                        lapb->vr        = 0;
+                        lapb->va        = 0;
+                        lapb_connect_indication(lapb, LAPB_OK);
+                } else {
+#if LAPB_DEBUG > 1
+                        printk(KERN_DEBUG "lapb: (%p) S0 TX DM(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        }
-                        break;
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                }
+                break;
 
-                case LAPB_DISC:
+        case LAPB_DISC:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S0 RX DISC(%d)\n",
-                               lapb->dev, frame->pf);
-                        printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S0 RX DISC(%d)\n",
+                       lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S0 TX UA(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                          LAPB_RESPONSE);
-                        break;
+                lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+                break;
 
-                default:
-                        break;
+        default:
+                break;
         }
 
         kfree_skb(skb);
@@ -140,100 +137,97 @@ static void lapb_state1_machine(struct lapb_cb *lapb, struct sk_buff *skb,
                                 struct lapb_frame *frame)
 {
         switch (frame->type) {
-                case LAPB_SABM:
+        case LAPB_SABM:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S1 RX SABM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S1 RX SABM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
-#endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        } else {
-#if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                        }
-                        break;
-
-                case LAPB_SABME:
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                } else {
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S1 RX SABME(%d)\n",
+                        printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
                                lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                }
+                break;
+
+        case LAPB_SABME:
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S1 RX SABME(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                        } else {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S1 TX UA(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        }
-                        break;
-
-                case LAPB_DISC:
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                } else {
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S1 RX DISC(%d)\n",
-                               lapb->dev, frame->pf);
                         printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
                                lapb->dev, frame->pf);
 #endif
                         lapb_send_control(lapb, LAPB_DM, frame->pf,
                                           LAPB_RESPONSE);
-                        break;
+                }
+                break;
 
-                case LAPB_UA:
+        case LAPB_DISC:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S1 RX UA(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S1 RX DISC(%d)\n",
+                       lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S1 TX DM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (frame->pf) {
-#if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S1 -> S3\n",
-                                       lapb->dev);
-#endif
-                                lapb_stop_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state     = LAPB_STATE_3;
-                                lapb->condition = 0x00;
-                                lapb->n2count   = 0;
-                                lapb->vs        = 0;
-                                lapb->vr        = 0;
-                                lapb->va        = 0;
-                                lapb_connect_confirmation(lapb, LAPB_OK);
-                        }
-                        break;
+                lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+                break;
 
-                case LAPB_DM:
+        case LAPB_UA:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S1 RX DM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S1 RX UA(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (frame->pf) {
+                if (frame->pf) {
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n",
-                                       lapb->dev);
-#endif
-                                lapb_clear_queues(lapb);
-                                lapb->state = LAPB_STATE_0;
-                                lapb_start_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb_disconnect_indication(lapb, LAPB_REFUSED);
-                        }
-                        break;
+                        printk(KERN_DEBUG "lapb: (%p) S1 -> S3\n", lapb->dev);
+#endif
+                        lapb_stop_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state     = LAPB_STATE_3;
+                        lapb->condition = 0x00;
+                        lapb->n2count   = 0;
+                        lapb->vs        = 0;
+                        lapb->vr        = 0;
+                        lapb->va        = 0;
+                        lapb_connect_confirmation(lapb, LAPB_OK);
+                }
+                break;
+
+        case LAPB_DM:
+#if LAPB_DEBUG > 1
+                printk(KERN_DEBUG "lapb: (%p) S1 RX DM(%d)\n",
+                       lapb->dev, frame->pf);
+#endif
+                if (frame->pf) {
+#if LAPB_DEBUG > 0
+                        printk(KERN_DEBUG "lapb: (%p) S1 -> S0\n", lapb->dev);
+#endif
+                        lapb_clear_queues(lapb);
+                        lapb->state = LAPB_STATE_0;
+                        lapb_start_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb_disconnect_indication(lapb, LAPB_REFUSED);
+                }
+                break;
         }
 
         kfree_skb(skb);
@@ -247,78 +241,73 @@ static void lapb_state2_machine(struct lapb_cb *lapb, struct sk_buff *skb,
                                 struct lapb_frame *frame)
 {
         switch (frame->type) {
-                case LAPB_SABM:
-                case LAPB_SABME:
+        case LAPB_SABM:
+        case LAPB_SABME:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S2 RX {SABM,SABME}(%d)\n",
-                               lapb->dev, frame->pf);
-                        printk(KERN_DEBUG "lapb: (%p) S2 TX DM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 RX {SABM,SABME}(%d)\n",
+                       lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 TX DM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                          LAPB_RESPONSE);
-                        break;
+                lapb_send_control(lapb, LAPB_DM, frame->pf, LAPB_RESPONSE);
+                break;
 
-                case LAPB_DISC:
+        case LAPB_DISC:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S2 RX DISC(%d)\n",
-                               lapb->dev, frame->pf);
-                        printk(KERN_DEBUG "lapb: (%p) S2 TX UA(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 RX DISC(%d)\n",
+                       lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 TX UA(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                          LAPB_RESPONSE);
-                        break;
+                lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+                break;
 
-                case LAPB_UA:
+        case LAPB_UA:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S2 RX UA(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 RX UA(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (frame->pf) {
+                if (frame->pf) {
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n", lapb->dev);
 #endif
-                                lapb->state = LAPB_STATE_0;
-                                lapb_start_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb_disconnect_confirmation(lapb, LAPB_OK);
-                        }
-                        break;
+                        lapb->state = LAPB_STATE_0;
+                        lapb_start_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb_disconnect_confirmation(lapb, LAPB_OK);
+                }
+                break;
 
-                case LAPB_DM:
+        case LAPB_DM:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (frame->pf) {
+                if (frame->pf) {
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n",
-                                       lapb->dev);
-#endif
-                                lapb->state = LAPB_STATE_0;
-                                lapb_start_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb_disconnect_confirmation(lapb,
-                                                             LAPB_NOTCONNECTED);
-                        }
-                        break;
+                        printk(KERN_DEBUG "lapb: (%p) S2 -> S0\n", lapb->dev);
+#endif
+                        lapb->state = LAPB_STATE_0;
+                        lapb_start_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb_disconnect_confirmation(lapb, LAPB_NOTCONNECTED);
+                }
+                break;
 
-                case LAPB_I:
-                case LAPB_REJ:
-                case LAPB_RNR:
-                case LAPB_RR:
+        case LAPB_I:
+        case LAPB_REJ:
+        case LAPB_RNR:
+        case LAPB_RR:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S2 RX {I,REJ,RNR,RR}"
-                               "(%d)\n", lapb->dev, frame->pf);
-                        printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 RX {I,REJ,RNR,RR}(%d)\n",
+                       lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S2 RX DM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (frame->pf)
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        break;
+                if (frame->pf)
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                break;
         }
 
         kfree_skb(skb);
@@ -336,277 +325,267 @@ static void lapb_state3_machine(struct lapb_cb *lapb, struct sk_buff *skb,
                                                      LAPB_SMODULUS;
 
         switch (frame->type) {
-                case LAPB_SABM:
+        case LAPB_SABM:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX SABM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX SABM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        } else {
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                } else {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                                lapb_stop_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->condition = 0x00;
-                                lapb->n2count   = 0;
-                                lapb->vs        = 0;
-                                lapb->vr        = 0;
-                                lapb->va        = 0;
-                                lapb_requeue_frames(lapb);
-                        }
-                        break;
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                        lapb_stop_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->condition = 0x00;
+                        lapb->n2count   = 0;
+                        lapb->vs        = 0;
+                        lapb->vr        = 0;
+                        lapb->va        = 0;
+                        lapb_requeue_frames(lapb);
+                }
+                break;
 
-                case LAPB_SABME:
+        case LAPB_SABME:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX SABME(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX SABME(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S3 TX UA(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                                lapb_stop_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->condition = 0x00;
-                                lapb->n2count   = 0;
-                                lapb->vs        = 0;
-                                lapb->vr        = 0;
-                                lapb->va        = 0;
-                                lapb_requeue_frames(lapb);
-                        } else {
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                        lapb_stop_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->condition = 0x00;
+                        lapb->n2count   = 0;
+                        lapb->vs        = 0;
+                        lapb->vr        = 0;
+                        lapb->va        = 0;
+                        lapb_requeue_frames(lapb);
+                } else {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S3 TX DM(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        }
-                        break;
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                }
+                break;
 
-                case LAPB_DISC:
+        case LAPB_DISC:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX DISC(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX DISC(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
 #if LAPB_DEBUG > 0
-                        printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n",
-                               lapb->dev);
+                printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n", lapb->dev);
 #endif
-                        lapb_clear_queues(lapb);
-                        lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                          LAPB_RESPONSE);
-                        lapb_start_t1timer(lapb);
-                        lapb_stop_t2timer(lapb);
-                        lapb->state = LAPB_STATE_0;
-                        lapb_disconnect_indication(lapb, LAPB_OK);
-                        break;
+                lapb_clear_queues(lapb);
+                lapb_send_control(lapb, LAPB_UA, frame->pf, LAPB_RESPONSE);
+                lapb_start_t1timer(lapb);
+                lapb_stop_t2timer(lapb);
+                lapb->state = LAPB_STATE_0;
+                lapb_disconnect_indication(lapb, LAPB_OK);
+                break;
 
-                case LAPB_DM:
+        case LAPB_DM:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX DM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX DM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
 #if LAPB_DEBUG > 0
-                        printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n",
-                               lapb->dev);
+                printk(KERN_DEBUG "lapb: (%p) S3 -> S0\n", lapb->dev);
 #endif
-                        lapb_clear_queues(lapb);
-                        lapb->state = LAPB_STATE_0;
-                        lapb_start_t1timer(lapb);
-                        lapb_stop_t2timer(lapb);
-                        lapb_disconnect_indication(lapb, LAPB_NOTCONNECTED);
-                        break;
+                lapb_clear_queues(lapb);
+                lapb->state = LAPB_STATE_0;
+                lapb_start_t1timer(lapb);
+                lapb_stop_t2timer(lapb);
+                lapb_disconnect_indication(lapb, LAPB_NOTCONNECTED);
+                break;
 
-                case LAPB_RNR:
+        case LAPB_RNR:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX RNR(%d) R%d\n",
-                               lapb->dev, frame->pf, frame->nr);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX RNR(%d) R%d\n",
+                       lapb->dev, frame->pf, frame->nr);
 #endif
-                        lapb->condition |= LAPB_PEER_RX_BUSY_CONDITION;
-                        lapb_check_need_response(lapb, frame->cr, frame->pf);
-                        if (lapb_validate_nr(lapb, frame->nr)) {
-                                lapb_check_iframes_acked(lapb, frame->nr);
-                        } else {
-                                lapb->frmr_data = *frame;
-                                lapb->frmr_type = LAPB_FRMR_Z;
-                                lapb_transmit_frmr(lapb);
+                lapb->condition |= LAPB_PEER_RX_BUSY_CONDITION;
+                lapb_check_need_response(lapb, frame->cr, frame->pf);
+                if (lapb_validate_nr(lapb, frame->nr)) {
+                        lapb_check_iframes_acked(lapb, frame->nr);
+                } else {
+                        lapb->frmr_data = *frame;
+                        lapb->frmr_type = LAPB_FRMR_Z;
+                        lapb_transmit_frmr(lapb);
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
 #endif
-                                lapb_start_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state   = LAPB_STATE_4;
-                                lapb->n2count = 0;
-                        }
-                        break;
+                        lapb_start_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state   = LAPB_STATE_4;
+                        lapb->n2count = 0;
+                }
+                break;
 
-                case LAPB_RR:
+        case LAPB_RR:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX RR(%d) R%d\n",
-                               lapb->dev, frame->pf, frame->nr);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX RR(%d) R%d\n",
+                       lapb->dev, frame->pf, frame->nr);
 #endif
-                        lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
-                        lapb_check_need_response(lapb, frame->cr, frame->pf);
-                        if (lapb_validate_nr(lapb, frame->nr)) {
-                                lapb_check_iframes_acked(lapb, frame->nr);
-                        } else {
-                                lapb->frmr_data = *frame;
-                                lapb->frmr_type = LAPB_FRMR_Z;
-                                lapb_transmit_frmr(lapb);
+                lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
+                lapb_check_need_response(lapb, frame->cr, frame->pf);
+                if (lapb_validate_nr(lapb, frame->nr)) {
+                        lapb_check_iframes_acked(lapb, frame->nr);
+                } else {
+                        lapb->frmr_data = *frame;
+                        lapb->frmr_type = LAPB_FRMR_Z;
+                        lapb_transmit_frmr(lapb);
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
 #endif
-                                lapb_start_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state   = LAPB_STATE_4;
-                                lapb->n2count = 0;
-                        }
-                        break;
+                        lapb_start_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state   = LAPB_STATE_4;
+                        lapb->n2count = 0;
+                }
+                break;
 
-                case LAPB_REJ:
+        case LAPB_REJ:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX REJ(%d) R%d\n",
-                               lapb->dev, frame->pf, frame->nr);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX REJ(%d) R%d\n",
+                       lapb->dev, frame->pf, frame->nr);
 #endif
-                        lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
-                        lapb_check_need_response(lapb, frame->cr, frame->pf);
-                        if (lapb_validate_nr(lapb, frame->nr)) {
-                                lapb_frames_acked(lapb, frame->nr);
-                                lapb_stop_t1timer(lapb);
-                                lapb->n2count = 0;
-                                lapb_requeue_frames(lapb);
-                        } else {
-                                lapb->frmr_data = *frame;
-                                lapb->frmr_type = LAPB_FRMR_Z;
-                                lapb_transmit_frmr(lapb);
+                lapb->condition &= ~LAPB_PEER_RX_BUSY_CONDITION;
+                lapb_check_need_response(lapb, frame->cr, frame->pf);
+                if (lapb_validate_nr(lapb, frame->nr)) {
+                        lapb_frames_acked(lapb, frame->nr);
+                        lapb_stop_t1timer(lapb);
+                        lapb->n2count = 0;
+                        lapb_requeue_frames(lapb);
+                } else {
+                        lapb->frmr_data = *frame;
+                        lapb->frmr_type = LAPB_FRMR_Z;
+                        lapb_transmit_frmr(lapb);
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
 #endif
-                                lapb_start_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state   = LAPB_STATE_4;
-                                lapb->n2count = 0;
-                        }
-                        break;
+                        lapb_start_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state   = LAPB_STATE_4;
+                        lapb->n2count = 0;
+                }
+                break;
 
-                case LAPB_I:
+        case LAPB_I:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX I(%d) S%d R%d\n",
-                               lapb->dev, frame->pf, frame->ns, frame->nr);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX I(%d) S%d R%d\n",
+                       lapb->dev, frame->pf, frame->ns, frame->nr);
 #endif
-                        if (!lapb_validate_nr(lapb, frame->nr)) {
-                                lapb->frmr_data = *frame;
-                                lapb->frmr_type = LAPB_FRMR_Z;
-                                lapb_transmit_frmr(lapb);
+                if (!lapb_validate_nr(lapb, frame->nr)) {
+                        lapb->frmr_data = *frame;
+                        lapb->frmr_type = LAPB_FRMR_Z;
+                        lapb_transmit_frmr(lapb);
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
 #endif
-                                lapb_start_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state   = LAPB_STATE_4;
-                                lapb->n2count = 0;
+                        lapb_start_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state   = LAPB_STATE_4;
+                        lapb->n2count = 0;
+                        break;
+                }
+                if (lapb->condition & LAPB_PEER_RX_BUSY_CONDITION)
+                        lapb_frames_acked(lapb, frame->nr);
+                else
+                        lapb_check_iframes_acked(lapb, frame->nr);
+
+                if (frame->ns == lapb->vr) {
+                        int cn;
+                        cn = lapb_data_indication(lapb, skb);
+                        queued = 1;
+                        /*
+                         * If upper layer has dropped the frame, we
+                         * basically ignore any further protocol
+                         * processing. This will cause the peer
+                         * to re-transmit the frame later like
+                         * a frame lost on the wire.
+                         */
+                        if (cn == NET_RX_DROP) {
+                                printk(KERN_DEBUG "LAPB: rx congestion\n");
                                 break;
                         }
-                        if (lapb->condition & LAPB_PEER_RX_BUSY_CONDITION)
-                                lapb_frames_acked(lapb, frame->nr);
-                        else
-                                lapb_check_iframes_acked(lapb, frame->nr);
-
-                        if (frame->ns == lapb->vr) {
-                                int cn;
-                                cn = lapb_data_indication(lapb, skb);
-                                queued = 1;
-                                /*
-                                 * If upper layer has dropped the frame, we
-                                 * basically ignore any further protocol
-                                 * processing. This will cause the peer
-                                 * to re-transmit the frame later like
-                                 * a frame lost on the wire.
-                                 */
-                                if (cn == NET_RX_DROP) {
-                                        printk(KERN_DEBUG
-                                               "LAPB: rx congestion\n");
-                                        break;
+                        lapb->vr = (lapb->vr + 1) % modulus;
+                        lapb->condition &= ~LAPB_REJECT_CONDITION;
+                        if (frame->pf)
+                                lapb_enquiry_response(lapb);
+                        else {
+                                if (!(lapb->condition &
+                                      LAPB_ACK_PENDING_CONDITION)) {
+                                        lapb->condition |= LAPB_ACK_PENDING_CONDITION;
+                                        lapb_start_t2timer(lapb);
                                 }
-                                lapb->vr = (lapb->vr + 1) % modulus;
-                                lapb->condition &= ~LAPB_REJECT_CONDITION;
+                        }
+                } else {
+                        if (lapb->condition & LAPB_REJECT_CONDITION) {
                                 if (frame->pf)
                                         lapb_enquiry_response(lapb);
-                                else {
-                                        if (!(lapb->condition &
-                                              LAPB_ACK_PENDING_CONDITION)) {
-                                                lapb->condition |= LAPB_ACK_PENDING_CONDITION;
-                                                lapb_start_t2timer(lapb);
-                                        }
-                                }
                         } else {
-                                if (lapb->condition & LAPB_REJECT_CONDITION) {
-                                        if (frame->pf)
-                                                lapb_enquiry_response(lapb);
-                                } else {
-#if LAPB_DEBUG > 1
-                                        printk(KERN_DEBUG
-                                               "lapb: (%p) S3 TX REJ(%d) R%d\n",
-                                               lapb->dev, frame->pf, lapb->vr);
-#endif
-                                        lapb->condition |= LAPB_REJECT_CONDITION;
-                                        lapb_send_control(lapb, LAPB_REJ,
-                                                          frame->pf,
-                                                          LAPB_RESPONSE);
-                                        lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;
-                                }
+#if LAPB_DEBUG > 1
+                                printk(KERN_DEBUG
+                                       "lapb: (%p) S3 TX REJ(%d) R%d\n",
+                                       lapb->dev, frame->pf, lapb->vr);
+#endif
+                                lapb->condition |= LAPB_REJECT_CONDITION;
+                                lapb_send_control(lapb, LAPB_REJ, frame->pf,
+                                                  LAPB_RESPONSE);
+                                lapb->condition &= ~LAPB_ACK_PENDING_CONDITION;
                         }
-                        break;
+                }
+                break;
 
-                case LAPB_FRMR:
+        case LAPB_FRMR:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX FRMR(%d) %02X "
-                               "%02X %02X %02X %02X\n", lapb->dev, frame->pf,
-                               skb->data[0], skb->data[1], skb->data[2],
-                               skb->data[3], skb->data[4]);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX FRMR(%d) %02X "
+                       "%02X %02X %02X %02X\n", lapb->dev, frame->pf,
+                       skb->data[0], skb->data[1], skb->data[2],
+                       skb->data[3], skb->data[4]);
 #endif
-                        lapb_establish_data_link(lapb);
+                lapb_establish_data_link(lapb);
 #if LAPB_DEBUG > 0
-                        printk(KERN_DEBUG "lapb: (%p) S3 -> S1\n",
-                               lapb->dev);
+                printk(KERN_DEBUG "lapb: (%p) S3 -> S1\n", lapb->dev);
 #endif
-                        lapb_requeue_frames(lapb);
-                        lapb->state = LAPB_STATE_1;
-                        break;
+                lapb_requeue_frames(lapb);
+                lapb->state = LAPB_STATE_1;
+                break;
 
-                case LAPB_ILLEGAL:
+        case LAPB_ILLEGAL:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S3 RX ILLEGAL(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S3 RX ILLEGAL(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        lapb->frmr_data = *frame;
-                        lapb->frmr_type = LAPB_FRMR_W;
-                        lapb_transmit_frmr(lapb);
+                lapb->frmr_data = *frame;
+                lapb->frmr_type = LAPB_FRMR_W;
+                lapb_transmit_frmr(lapb);
 #if LAPB_DEBUG > 0
-                        printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
+                printk(KERN_DEBUG "lapb: (%p) S3 -> S4\n", lapb->dev);
 #endif
-                        lapb_start_t1timer(lapb);
-                        lapb_stop_t2timer(lapb);
-                        lapb->state   = LAPB_STATE_4;
-                        lapb->n2count = 0;
-                        break;
+                lapb_start_t1timer(lapb);
+                lapb_stop_t2timer(lapb);
+                lapb->state   = LAPB_STATE_4;
+                lapb->n2count = 0;
+                break;
         }
 
         if (!queued)
@@ -621,75 +600,73 @@ static void lapb_state4_machine(struct lapb_cb *lapb, struct sk_buff *skb,
                                 struct lapb_frame *frame)
 {
         switch (frame->type) {
-                case LAPB_SABM:
+        case LAPB_SABM:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S4 RX SABM(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S4 RX SABM(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        } else {
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                } else {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n", lapb->dev);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                                lapb_stop_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state     = LAPB_STATE_3;
-                                lapb->condition = 0x00;
-                                lapb->n2count   = 0;
-                                lapb->vs        = 0;
-                                lapb->vr        = 0;
-                                lapb->va        = 0;
-                                lapb_connect_indication(lapb, LAPB_OK);
-                        }
-                        break;
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                        lapb_stop_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state     = LAPB_STATE_3;
+                        lapb->condition = 0x00;
+                        lapb->n2count   = 0;
+                        lapb->vs        = 0;
+                        lapb->vr        = 0;
+                        lapb->va        = 0;
+                        lapb_connect_indication(lapb, LAPB_OK);
+                }
+                break;
 
-                case LAPB_SABME:
+        case LAPB_SABME:
 #if LAPB_DEBUG > 1
-                        printk(KERN_DEBUG "lapb: (%p) S4 RX SABME(%d)\n",
-                               lapb->dev, frame->pf);
+                printk(KERN_DEBUG "lapb: (%p) S4 RX SABME(%d)\n",
+                       lapb->dev, frame->pf);
 #endif
-                        if (lapb->mode & LAPB_EXTENDED) {
+                if (lapb->mode & LAPB_EXTENDED) {
 #if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
-                                       lapb->dev, frame->pf);
+                        printk(KERN_DEBUG "lapb: (%p) S4 TX UA(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
 #if LAPB_DEBUG > 0
-                                printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n",
-                                       lapb->dev);
+                        printk(KERN_DEBUG "lapb: (%p) S4 -> S3\n", lapb->dev);
 #endif
-                                lapb_send_control(lapb, LAPB_UA, frame->pf,
-                                                  LAPB_RESPONSE);
-                                lapb_stop_t1timer(lapb);
-                                lapb_stop_t2timer(lapb);
-                                lapb->state     = LAPB_STATE_3;
-                                lapb->condition = 0x00;
-                                lapb->n2count   = 0;
-                                lapb->vs        = 0;
-                                lapb->vr        = 0;
-                                lapb->va        = 0;
-                                lapb_connect_indication(lapb, LAPB_OK);
-                        } else {
-#if LAPB_DEBUG > 1
-                                printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
-                                       lapb->dev, frame->pf);
+                        lapb_send_control(lapb, LAPB_UA, frame->pf,
+                                          LAPB_RESPONSE);
+                        lapb_stop_t1timer(lapb);
+                        lapb_stop_t2timer(lapb);
+                        lapb->state     = LAPB_STATE_3;
+                        lapb->condition = 0x00;
+                        lapb->n2count   = 0;
+                        lapb->vs        = 0;
+                        lapb->vr        = 0;
+                        lapb->va        = 0;
+                        lapb_connect_indication(lapb, LAPB_OK);
+                } else {
+#if LAPB_DEBUG > 1
+                        printk(KERN_DEBUG "lapb: (%p) S4 TX DM(%d)\n",
+                               lapb->dev, frame->pf);
 #endif
-                                lapb_send_control(lapb, LAPB_DM, frame->pf,
-                                                  LAPB_RESPONSE);
-                        }
-                        break;
+                        lapb_send_control(lapb, LAPB_DM, frame->pf,
+                                          LAPB_RESPONSE);
+                }
+                break;
         }
 
         kfree_skb(skb);
diff --git a/net/netfilter/ipset/Kconfig b/net/netfilter/ipset/Kconfig
index 2c5b348eb3a8..ba36c283d837 100644
--- a/net/netfilter/ipset/Kconfig
+++ b/net/netfilter/ipset/Kconfig
@@ -109,6 +109,16 @@ config IP_SET_HASH_NETPORT
 
           To compile it as a module, choose M here.  If unsure, say N.
 
+config IP_SET_HASH_NETIFACE
+        tristate "hash:net,iface set support"
+        depends on IP_SET
+        help
+          This option adds the hash:net,iface set type support, by which
+          one can store IPv4/IPv6 network address/prefix and
+          interface name pairs as elements in a set.
+
+          To compile it as a module, choose M here.  If unsure, say N.
+
 config IP_SET_LIST_SET
         tristate "list:set set support"
         depends on IP_SET
diff --git a/net/netfilter/ipset/Makefile b/net/netfilter/ipset/Makefile
index 5adbdab67bd2..6e965ecd5444 100644
--- a/net/netfilter/ipset/Makefile
+++ b/net/netfilter/ipset/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_IP_SET_HASH_IPPORTIP) += ip_set_hash_ipportip.o
 obj-$(CONFIG_IP_SET_HASH_IPPORTNET) += ip_set_hash_ipportnet.o
 obj-$(CONFIG_IP_SET_HASH_NET) += ip_set_hash_net.o
 obj-$(CONFIG_IP_SET_HASH_NETPORT) += ip_set_hash_netport.o
+obj-$(CONFIG_IP_SET_HASH_NETIFACE) += ip_set_hash_netiface.o
 
 # list types
 obj-$(CONFIG_IP_SET_LIST_SET) += ip_set_list_set.o
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c
index ba2d16607f48..e3e73997c3be 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ip.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ip.c
@@ -54,7 +54,7 @@ ip_to_id(const struct bitmap_ip *m, u32 ip)
 }
 
 static int
-bitmap_ip_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         const struct bitmap_ip *map = set->data;
         u16 id = *(u16 *)value;
@@ -63,7 +63,7 @@ bitmap_ip_test(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ip *map = set->data;
         u16 id = *(u16 *)value;
@@ -75,7 +75,7 @@ bitmap_ip_add(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ip *map = set->data;
         u16 id = *(u16 *)value;
@@ -131,7 +131,7 @@ nla_put_failure:
 /* Timeout variant */
 
 static int
-bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         const struct bitmap_ip *map = set->data;
         const unsigned long *members = map->members;
@@ -141,13 +141,13 @@ bitmap_ip_ttest(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ip *map = set->data;
         unsigned long *members = map->members;
         u16 id = *(u16 *)value;
 
-        if (ip_set_timeout_test(members[id]))
+        if (ip_set_timeout_test(members[id]) && !(flags & IPSET_FLAG_EXIST))
                 return -IPSET_ERR_EXIST;
 
         members[id] = ip_set_timeout_set(timeout);
@@ -156,7 +156,7 @@ bitmap_ip_tadd(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ip_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_ip_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ip *map = set->data;
         unsigned long *members = map->members;
@@ -219,24 +219,25 @@ nla_put_failure:
 
 static int
 bitmap_ip_kadt(struct ip_set *set, const struct sk_buff *skb,
-               enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+               const struct xt_action_param *par,
+               enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         struct bitmap_ip *map = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         u32 ip;
 
-        ip = ntohl(ip4addr(skb, flags & IPSET_DIM_ONE_SRC));
+        ip = ntohl(ip4addr(skb, opt->flags & IPSET_DIM_ONE_SRC));
         if (ip < map->first_ip || ip > map->last_ip)
                 return -IPSET_ERR_BITMAP_RANGE;
 
         ip = ip_to_id(map, ip);
 
-        return adtfn(set, &ip, map->timeout);
+        return adtfn(set, &ip, opt_timeout(opt, map), opt->cmdflags);
 }
 
 static int
 bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
-               enum ipset_adt adt, u32 *lineno, u32 flags)
+               enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         struct bitmap_ip *map = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -266,7 +267,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
 
         if (adt == IPSET_TEST) {
                 id = ip_to_id(map, ip);
-                return adtfn(set, &id, timeout);
+                return adtfn(set, &id, timeout, flags);
         }
 
         if (tb[IPSET_ATTR_IP_TO]) {
@@ -283,8 +284,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
 
                 if (cidr > 32)
                         return -IPSET_ERR_INVALID_CIDR;
-                ip &= ip_set_hostmask(cidr);
-                ip_to = ip | ~ip_set_hostmask(cidr);
+                ip_set_mask_from_to(ip, ip_to, cidr);
         } else
                 ip_to = ip;
 
@@ -293,7 +293,7 @@ bitmap_ip_uadt(struct ip_set *set, struct nlattr *tb[],
 
         for (; !before(ip_to, ip); ip += map->hosts) {
                 id = ip_to_id(map, ip);
-                ret = adtfn(set, &id, timeout);
+                ret = adtfn(set, &id, timeout, flags);
 
                 if (ret && !ip_set_eexist(ret, flags))
                         return ret;
@@ -478,7 +478,7 @@ bitmap_ip_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
 
                 if (cidr >= 32)
                         return -IPSET_ERR_INVALID_CIDR;
-                last_ip = first_ip | ~ip_set_hostmask(cidr);
+                ip_set_mask_from_to(first_ip, last_ip, cidr);
         } else
                 return -IPSET_ERR_PROTOCOL;
 
@@ -551,7 +551,8 @@ static struct ip_set_type bitmap_ip_type __read_mostly = {
         .features       = IPSET_TYPE_IP,
         .dimension      = IPSET_DIM_ONE,
         .family         = AF_INET,
-        .revision       = 0,
+        .revision_min   = 0,
+        .revision_max   = 0,
         .create         = bitmap_ip_create,
         .create_policy  = {
                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index a274300b6a56..56096f544978 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -99,7 +99,7 @@ bitmap_ipmac_exist(const struct ipmac_telem *elem)
 /* Base variant */
 
 static int
-bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         const struct bitmap_ipmac *map = set->data;
         const struct ipmac *data = value;
@@ -117,7 +117,7 @@ bitmap_ipmac_test(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ipmac *map = set->data;
         const struct ipmac *data = value;
@@ -146,7 +146,7 @@ bitmap_ipmac_add(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ipmac *map = set->data;
         const struct ipmac *data = value;
@@ -212,7 +212,7 @@ nla_put_failure:
 /* Timeout variant */
 
 static int
-bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         const struct bitmap_ipmac *map = set->data;
         const struct ipmac *data = value;
@@ -231,15 +231,16 @@ bitmap_ipmac_ttest(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ipmac *map = set->data;
         const struct ipmac *data = value;
         struct ipmac_telem *elem = bitmap_ipmac_elem(map, data->id);
+        bool flag_exist = flags & IPSET_FLAG_EXIST;
 
         switch (elem->match) {
         case MAC_UNSET:
-                if (!data->ether)
+                if (!(data->ether || flag_exist))
                         /* Already added without ethernet address */
                         return -IPSET_ERR_EXIST;
                 /* Fill the MAC address and activate the timer */
@@ -251,7 +252,7 @@ bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
                 elem->timeout = ip_set_timeout_set(timeout);
                 break;
         case MAC_FILLED:
-                if (!bitmap_expired(map, data->id))
+                if (!(bitmap_expired(map, data->id) || flag_exist))
                         return -IPSET_ERR_EXIST;
                 /* Fall through */
         case MAC_EMPTY:
@@ -273,7 +274,7 @@ bitmap_ipmac_tadd(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_ipmac_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_ipmac_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_ipmac *map = set->data;
         const struct ipmac *data = value;
@@ -337,17 +338,18 @@ nla_put_failure:
 
 static int
 bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
-                  enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                  const struct xt_action_param *par,
+                  enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         struct bitmap_ipmac *map = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct ipmac data;
 
         /* MAC can be src only */
-        if (!(flags & IPSET_DIM_TWO_SRC))
+        if (!(opt->flags & IPSET_DIM_TWO_SRC))
                 return 0;
 
-        data.id = ntohl(ip4addr(skb, flags & IPSET_DIM_ONE_SRC));
+        data.id = ntohl(ip4addr(skb, opt->flags & IPSET_DIM_ONE_SRC));
         if (data.id < map->first_ip || data.id > map->last_ip)
                 return -IPSET_ERR_BITMAP_RANGE;
 
@@ -359,12 +361,12 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
         data.id -= map->first_ip;
         data.ether = eth_hdr(skb)->h_source;
 
-        return adtfn(set, &data, map->timeout);
+        return adtfn(set, &data, opt_timeout(opt, map), opt->cmdflags);
 }
 
 static int
 bitmap_ipmac_uadt(struct ip_set *set, struct nlattr *tb[],
-                  enum ipset_adt adt, u32 *lineno, u32 flags)
+                  enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct bitmap_ipmac *map = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -399,7 +401,7 @@ bitmap_ipmac_uadt(struct ip_set *set, struct nlattr *tb[],
 
         data.id -= map->first_ip;
 
-        ret = adtfn(set, &data, timeout);
+        ret = adtfn(set, &data, timeout, flags);
 
         return ip_set_eexist(ret, flags) ? 0 : ret;
 }
@@ -577,7 +579,7 @@ bitmap_ipmac_create(struct ip_set *set, struct nlattr *tb[],
 
                 if (cidr >= 32)
                         return -IPSET_ERR_INVALID_CIDR;
-                last_ip = first_ip | ~ip_set_hostmask(cidr);
+                ip_set_mask_from_to(first_ip, last_ip, cidr);
         } else
                 return -IPSET_ERR_PROTOCOL;
 
@@ -622,7 +624,8 @@ static struct ip_set_type bitmap_ipmac_type = {
         .features       = IPSET_TYPE_IP | IPSET_TYPE_MAC,
         .dimension      = IPSET_DIM_TWO,
         .family         = AF_INET,
-        .revision       = 0,
+        .revision_min   = 0,
+        .revision_max   = 0,
         .create         = bitmap_ipmac_create,
         .create_policy  = {
                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
@@ -632,7 +635,8 @@ static struct ip_set_type bitmap_ipmac_type = {
         },
         .adt_policy     = {
                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
-                [IPSET_ATTR_ETHER]      = { .type = NLA_BINARY, .len  = ETH_ALEN },
+                [IPSET_ATTR_ETHER]      = { .type = NLA_BINARY,
+                                            .len  = ETH_ALEN },
                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
                 [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
         },
diff --git a/net/netfilter/ipset/ip_set_bitmap_port.c b/net/netfilter/ipset/ip_set_bitmap_port.c
index 6b38eb8f6ed8..29ba93bb94be 100644
--- a/net/netfilter/ipset/ip_set_bitmap_port.c
+++ b/net/netfilter/ipset/ip_set_bitmap_port.c
@@ -40,7 +40,7 @@ struct bitmap_port {
 /* Base variant */
 
 static int
-bitmap_port_test(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_test(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         const struct bitmap_port *map = set->data;
         u16 id = *(u16 *)value;
@@ -49,7 +49,7 @@ bitmap_port_test(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_add(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_add(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_port *map = set->data;
         u16 id = *(u16 *)value;
@@ -61,7 +61,7 @@ bitmap_port_add(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_del(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_del(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_port *map = set->data;
         u16 id = *(u16 *)value;
@@ -119,7 +119,7 @@ nla_put_failure:
 /* Timeout variant */
 
 static int
-bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         const struct bitmap_port *map = set->data;
         const unsigned long *members = map->members;
@@ -129,13 +129,13 @@ bitmap_port_ttest(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_port *map = set->data;
         unsigned long *members = map->members;
         u16 id = *(u16 *)value;
 
-        if (ip_set_timeout_test(members[id]))
+        if (ip_set_timeout_test(members[id]) && !(flags & IPSET_FLAG_EXIST))
                 return -IPSET_ERR_EXIST;
 
         members[id] = ip_set_timeout_set(timeout);
@@ -144,7 +144,7 @@ bitmap_port_tadd(struct ip_set *set, void *value, u32 timeout)
 }
 
 static int
-bitmap_port_tdel(struct ip_set *set, void *value, u32 timeout)
+bitmap_port_tdel(struct ip_set *set, void *value, u32 timeout, u32 flags)
 {
         struct bitmap_port *map = set->data;
         unsigned long *members = map->members;
@@ -208,14 +208,16 @@ nla_put_failure:
 
 static int
 bitmap_port_kadt(struct ip_set *set, const struct sk_buff *skb,
-                 enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                 const struct xt_action_param *par,
+                 enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         struct bitmap_port *map = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         __be16 __port;
         u16 port = 0;
 
-        if (!ip_set_get_ip_port(skb, pf, flags & IPSET_DIM_ONE_SRC, &__port))
+        if (!ip_set_get_ip_port(skb, opt->family,
+                                opt->flags & IPSET_DIM_ONE_SRC, &__port))
                 return -EINVAL;
 
         port = ntohs(__port);
@@ -225,12 +227,12 @@ bitmap_port_kadt(struct ip_set *set, const struct sk_buff *skb,
 
         port -= map->first_port;
 
-        return adtfn(set, &port, map->timeout);
+        return adtfn(set, &port, opt_timeout(opt, map), opt->cmdflags);
 }
 
 static int
 bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
-                 enum ipset_adt adt, u32 *lineno, u32 flags)
+                 enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         struct bitmap_port *map = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -259,7 +261,7 @@ bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
 
         if (adt == IPSET_TEST) {
                 id = port - map->first_port;
-                return adtfn(set, &id, timeout);
+                return adtfn(set, &id, timeout, flags);
         }
 
         if (tb[IPSET_ATTR_PORT_TO]) {
@@ -277,7 +279,7 @@ bitmap_port_uadt(struct ip_set *set, struct nlattr *tb[],
 
         for (; port <= port_to; port++) {
                 id = port - map->first_port;
-                ret = adtfn(set, &id, timeout);
+                ret = adtfn(set, &id, timeout, flags);
 
                 if (ret && !ip_set_eexist(ret, flags))
                         return ret;
@@ -482,7 +484,8 @@ static struct ip_set_type bitmap_port_type = {
         .features       = IPSET_TYPE_PORT,
         .dimension      = IPSET_DIM_ONE,
         .family         = AF_UNSPEC,
-        .revision       = 0,
+        .revision_min   = 0,
+        .revision_max   = 0,
         .create         = bitmap_port_create,
         .create_policy  = {
                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c
index 8041befc6555..d7e86ef9d23a 100644
--- a/net/netfilter/ipset/ip_set_core.c
+++ b/net/netfilter/ipset/ip_set_core.c
@@ -17,10 +17,10 @@
 #include <linux/spinlock.h>
 #include <linux/netlink.h>
 #include <linux/rculist.h>
-#include <linux/version.h>
 #include <net/netlink.h>
 
 #include <linux/netfilter.h>
+#include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/ipset/ip_set.h>
 
@@ -70,7 +70,8 @@ find_set_type(const char *name, u8 family, u8 revision)
         list_for_each_entry_rcu(type, &ip_set_type_list, list)
                 if (STREQ(type->name, name) &&
                     (type->family == family || type->family == AF_UNSPEC) &&
-                    type->revision == revision)
+                    revision >= type->revision_min &&
+                    revision <= type->revision_max)
                         return type;
         return NULL;
 }
@@ -135,10 +136,10 @@ find_set_type_minmax(const char *name, u8 family, u8 *min, u8 *max)
                 if (STREQ(type->name, name) &&
                     (type->family == family || type->family == AF_UNSPEC)) {
                         found = true;
-                        if (type->revision < *min)
-                                *min = type->revision;
-                        if (type->revision > *max)
-                                *max = type->revision;
+                        if (type->revision_min < *min)
+                                *min = type->revision_min;
+                        if (type->revision_max > *max)
+                                *max = type->revision_max;
                 }
         rcu_read_unlock();
         if (found)
@@ -159,25 +160,27 @@ ip_set_type_register(struct ip_set_type *type)
         int ret = 0;
 
         if (type->protocol != IPSET_PROTOCOL) {
-                pr_warning("ip_set type %s, family %s, revision %u uses "
+                pr_warning("ip_set type %s, family %s, revision %u:%u uses "
                            "wrong protocol version %u (want %u)\n",
                            type->name, family_name(type->family),
-                           type->revision, type->protocol, IPSET_PROTOCOL);
+                           type->revision_min, type->revision_max,
+                           type->protocol, IPSET_PROTOCOL);
                 return -EINVAL;
         }
 
         ip_set_type_lock();
-        if (find_set_type(type->name, type->family, type->revision)) {
+        if (find_set_type(type->name, type->family, type->revision_min)) {
                 /* Duplicate! */
-                pr_warning("ip_set type %s, family %s, revision %u "
+                pr_warning("ip_set type %s, family %s with revision min %u "
                            "already registered!\n", type->name,
-                           family_name(type->family), type->revision);
+                           family_name(type->family), type->revision_min);
                 ret = -EINVAL;
                 goto unlock;
         }
         list_add_rcu(&type->list, &ip_set_type_list);
-        pr_debug("type %s, family %s, revision %u registered.\n",
-                 type->name, family_name(type->family), type->revision);
+        pr_debug("type %s, family %s, revision %u:%u registered.\n",
+                 type->name, family_name(type->family),
+                 type->revision_min, type->revision_max);
 unlock:
         ip_set_type_unlock();
         return ret;
@@ -189,15 +192,15 @@ void
 ip_set_type_unregister(struct ip_set_type *type)
 {
         ip_set_type_lock();
-        if (!find_set_type(type->name, type->family, type->revision)) {
-                pr_warning("ip_set type %s, family %s, revision %u "
+        if (!find_set_type(type->name, type->family, type->revision_min)) {
+                pr_warning("ip_set type %s, family %s with revision min %u "
                            "not registered\n", type->name,
-                           family_name(type->family), type->revision);
+                           family_name(type->family), type->revision_min);
                 goto unlock;
         }
         list_del_rcu(&type->list);
-        pr_debug("type %s, family %s, revision %u unregistered.\n",
-                 type->name, family_name(type->family), type->revision);
+        pr_debug("type %s, family %s with revision min %u unregistered.\n",
+                 type->name, family_name(type->family), type->revision_min);
 unlock:
         ip_set_type_unlock();
 
@@ -325,7 +328,8 @@ __ip_set_put(ip_set_id_t index)
 
 int
 ip_set_test(ip_set_id_t index, const struct sk_buff *skb,
-            u8 family, u8 dim, u8 flags)
+            const struct xt_action_param *par,
+            const struct ip_set_adt_opt *opt)
 {
         struct ip_set *set = ip_set_list[index];
         int ret = 0;
@@ -333,19 +337,19 @@ ip_set_test(ip_set_id_t index, const struct sk_buff *skb,
         BUG_ON(set == NULL);
         pr_debug("set %s, index %u\n", set->name, index);
 
-        if (dim < set->type->dimension ||
-            !(family == set->family || set->family == AF_UNSPEC))
+        if (opt->dim < set->type->dimension ||
+            !(opt->family == set->family || set->family == AF_UNSPEC))
                 return 0;
 
         read_lock_bh(&set->lock);
-        ret = set->variant->kadt(set, skb, IPSET_TEST, family, dim, flags);
+        ret = set->variant->kadt(set, skb, par, IPSET_TEST, opt);
         read_unlock_bh(&set->lock);
 
         if (ret == -EAGAIN) {
                 /* Type requests element to be completed */
                 pr_debug("element must be competed, ADD is triggered\n");
                 write_lock_bh(&set->lock);
-                set->variant->kadt(set, skb, IPSET_ADD, family, dim, flags);
+                set->variant->kadt(set, skb, par, IPSET_ADD, opt);
                 write_unlock_bh(&set->lock);
                 ret = 1;
         }
@@ -357,7 +361,8 @@ EXPORT_SYMBOL_GPL(ip_set_test);
 
 int
 ip_set_add(ip_set_id_t index, const struct sk_buff *skb,
-           u8 family, u8 dim, u8 flags)
+           const struct xt_action_param *par,
+           const struct ip_set_adt_opt *opt)
 {
         struct ip_set *set = ip_set_list[index];
         int ret;
@@ -365,12 +370,12 @@ ip_set_add(ip_set_id_t index, const struct sk_buff *skb,
         BUG_ON(set == NULL);
         pr_debug("set %s, index %u\n", set->name, index);
 
-        if (dim < set->type->dimension ||
-            !(family == set->family || set->family == AF_UNSPEC))
+        if (opt->dim < set->type->dimension ||
+            !(opt->family == set->family || set->family == AF_UNSPEC))
                 return 0;
 
         write_lock_bh(&set->lock);
-        ret = set->variant->kadt(set, skb, IPSET_ADD, family, dim, flags);
+        ret = set->variant->kadt(set, skb, par, IPSET_ADD, opt);
         write_unlock_bh(&set->lock);
 
         return ret;
@@ -379,7 +384,8 @@ EXPORT_SYMBOL_GPL(ip_set_add);
 
 int
 ip_set_del(ip_set_id_t index, const struct sk_buff *skb,
-           u8 family, u8 dim, u8 flags)
+           const struct xt_action_param *par,
+           const struct ip_set_adt_opt *opt)
 {
         struct ip_set *set = ip_set_list[index];
         int ret = 0;
@@ -387,12 +393,12 @@ ip_set_del(ip_set_id_t index, const struct sk_buff *skb,
         BUG_ON(set == NULL);
         pr_debug("set %s, index %u\n", set->name, index);
 
-        if (dim < set->type->dimension ||
-            !(family == set->family || set->family == AF_UNSPEC))
+        if (opt->dim < set->type->dimension ||
+            !(opt->family == set->family || set->family == AF_UNSPEC))
                 return 0;
 
         write_lock_bh(&set->lock);
-        ret = set->variant->kadt(set, skb, IPSET_DEL, family, dim, flags);
+        ret = set->variant->kadt(set, skb, par, IPSET_DEL, opt);
         write_unlock_bh(&set->lock);
 
         return ret;
@@ -656,6 +662,7 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
         rwlock_init(&set->lock);
         strlcpy(set->name, name, IPSET_MAXNAMELEN);
         set->family = family;
+        set->revision = revision;
 
         /*
          * Next, check that we know the type, and take
@@ -675,8 +682,8 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
         if (attr[IPSET_ATTR_DATA] &&
             nla_parse_nested(tb, IPSET_ATTR_CREATE_MAX, attr[IPSET_ATTR_DATA],
                              set->type->create_policy)) {
-                ret = -IPSET_ERR_PROTOCOL;
-                goto put_out;
+                ret = -IPSET_ERR_PROTOCOL;
+                goto put_out;
         }
 
         ret = set->type->create(set, tb, flags);
@@ -696,7 +703,8 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb,
                     (flags & IPSET_FLAG_EXIST) &&
                     STREQ(set->type->name, clash->type->name) &&
                     set->type->family == clash->type->family &&
-                    set->type->revision == clash->type->revision &&
+                    set->type->revision_min == clash->type->revision_min &&
+                    set->type->revision_max == clash->type->revision_max &&
                     set->variant->same_set(set, clash))
                         ret = 0;
                 goto cleanup;
@@ -767,7 +775,7 @@ ip_set_destroy(struct sock *ctnl, struct sk_buff *skb,
         if (!attr[IPSET_ATTR_SETNAME]) {
                 for (i = 0; i < ip_set_max; i++) {
                         if (ip_set_list[i] != NULL && ip_set_list[i]->ref) {
-                                ret = IPSET_ERR_BUSY;
+                                ret = -IPSET_ERR_BUSY;
                                 goto out;
                         }
                 }
@@ -939,10 +947,13 @@ ip_set_swap(struct sock *ctnl, struct sk_buff *skb,
 
 /* List/save set data */
 
-#define DUMP_INIT       0L
-#define DUMP_ALL        1L
-#define DUMP_ONE        2L
-#define DUMP_LAST       3L
+#define DUMP_INIT       0
+#define DUMP_ALL        1
+#define DUMP_ONE        2
+#define DUMP_LAST       3
+
+#define DUMP_TYPE(arg)          (((u32)(arg)) & 0x0000FFFF)
+#define DUMP_FLAGS(arg)         (((u32)(arg)) >> 16)
 
 static int
 ip_set_dump_done(struct netlink_callback *cb)
@@ -973,6 +984,7 @@ dump_init(struct netlink_callback *cb)
         int min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
         struct nlattr *cda[IPSET_ATTR_CMD_MAX+1];
         struct nlattr *attr = (void *)nlh + min_len;
+        u32 dump_type;
         ip_set_id_t index;
 
         /* Second pass, so parser can't fail */
@@ -984,17 +996,22 @@ dump_init(struct netlink_callback *cb)
          *         [..]: type specific
          */
 
-        if (!cda[IPSET_ATTR_SETNAME]) {
-                cb->args[0] = DUMP_ALL;
-                return 0;
-        }
+        if (cda[IPSET_ATTR_SETNAME]) {
+                index = find_set_id(nla_data(cda[IPSET_ATTR_SETNAME]));
+                if (index == IPSET_INVALID_ID)
+                        return -ENOENT;
 
-        index = find_set_id(nla_data(cda[IPSET_ATTR_SETNAME]));
-        if (index == IPSET_INVALID_ID)
-                return -ENOENT;
+                dump_type = DUMP_ONE;
+                cb->args[1] = index;
+        } else
+                dump_type = DUMP_ALL;
+
+        if (cda[IPSET_ATTR_FLAGS]) {
+                u32 f = ip_set_get_h32(cda[IPSET_ATTR_FLAGS]);
+                dump_type |= (f << 16);
+        }
+        cb->args[0] = dump_type;
 
-        cb->args[0] = DUMP_ONE;
-        cb->args[1] = index;
         return 0;
 }
 
@@ -1005,9 +1022,10 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
         struct ip_set *set = NULL;
         struct nlmsghdr *nlh = NULL;
         unsigned int flags = NETLINK_CB(cb->skb).pid ? NLM_F_MULTI : 0;
+        u32 dump_type, dump_flags;
         int ret = 0;
 
-        if (cb->args[0] == DUMP_INIT) {
+        if (!cb->args[0]) {
                 ret = dump_init(cb);
                 if (ret < 0) {
                         nlh = nlmsg_hdr(cb->skb);
@@ -1022,14 +1040,17 @@ ip_set_dump_start(struct sk_buff *skb, struct netlink_callback *cb)
         if (cb->args[1] >= ip_set_max)
                 goto out;
 
-        max = cb->args[0] == DUMP_ONE ? cb->args[1] + 1 : ip_set_max;
+        dump_type = DUMP_TYPE(cb->args[0]);
+        dump_flags = DUMP_FLAGS(cb->args[0]);
+        max = dump_type == DUMP_ONE ? cb->args[1] + 1 : ip_set_max;
 dump_last:
-        pr_debug("args[0]: %ld args[1]: %ld\n", cb->args[0], cb->args[1]);
+        pr_debug("args[0]: %u %u args[1]: %ld\n",
+                 dump_type, dump_flags, cb->args[1]);
         for (; cb->args[1] < max; cb->args[1]++) {
                 index = (ip_set_id_t) cb->args[1];
                 set = ip_set_list[index];
                 if (set == NULL) {
-                        if (cb->args[0] == DUMP_ONE) {
+                        if (dump_type == DUMP_ONE) {
                                 ret = -ENOENT;
                                 goto out;
                         }
@@ -1038,8 +1059,8 @@ dump_last:
                 /* When dumping all sets, we must dump "sorted"
                  * so that lists (unions of sets) are dumped last.
                  */
-                if (cb->args[0] != DUMP_ONE &&
-                    ((cb->args[0] == DUMP_ALL) ==
+                if (dump_type != DUMP_ONE &&
+                    ((dump_type == DUMP_ALL) ==
                      !!(set->type->features & IPSET_DUMP_LAST)))
                         continue;
                 pr_debug("List set: %s\n", set->name);
@@ -1057,6 +1078,8 @@ dump_last:
                 }
                 NLA_PUT_U8(skb, IPSET_ATTR_PROTOCOL, IPSET_PROTOCOL);
                 NLA_PUT_STRING(skb, IPSET_ATTR_SETNAME, set->name);
+                if (dump_flags & IPSET_FLAG_LIST_SETNAME)
+                        goto next_set;
                 switch (cb->args[2]) {
                 case 0:
                         /* Core header data */
@@ -1065,28 +1088,27 @@ dump_last:
                         NLA_PUT_U8(skb, IPSET_ATTR_FAMILY,
                                    set->family);
                         NLA_PUT_U8(skb, IPSET_ATTR_REVISION,
-                                   set->type->revision);
+                                   set->revision);
                         ret = set->variant->head(set, skb);
                         if (ret < 0)
                                 goto release_refcount;
+                        if (dump_flags & IPSET_FLAG_LIST_HEADER)
+                                goto next_set;
                         /* Fall through and add elements */
                 default:
                         read_lock_bh(&set->lock);
                         ret = set->variant->list(set, skb, cb);
                         read_unlock_bh(&set->lock);
-                        if (!cb->args[2]) {
+                        if (!cb->args[2])
                                 /* Set is done, proceed with next one */
-                                if (cb->args[0] == DUMP_ONE)
-                                        cb->args[1] = IPSET_INVALID_ID;
-                                else
-                                        cb->args[1]++;
-                        }
+                                goto next_set;
                         goto release_refcount;
                 }
         }
         /* If we dump all sets, continue with dumping last ones */
-        if (cb->args[0] == DUMP_ALL) {
-                cb->args[0] = DUMP_LAST;
+        if (dump_type == DUMP_ALL) {
+                dump_type = DUMP_LAST;
+                cb->args[0] = dump_type | (dump_flags << 16);
                 cb->args[1] = 0;
                 goto dump_last;
         }
@@ -1094,6 +1116,11 @@ dump_last:
 
 nla_put_failure:
         ret = -EFAULT;
+next_set:
+        if (dump_type == DUMP_ONE)
+                cb->args[1] = IPSET_INVALID_ID;
+        else
+                cb->args[1]++;
 release_refcount:
         /* If there was an error or set is done, release set */
         if (ret || !cb->args[2]) {
@@ -1120,7 +1147,7 @@ ip_set_dump(struct sock *ctnl, struct sk_buff *skb,
 
         return netlink_dump_start(ctnl, skb, nlh,
                                   ip_set_dump_start,
-                                  ip_set_dump_done);
+                                  ip_set_dump_done, 0);
 }
 
 /* Add, del and test */
@@ -1139,17 +1166,18 @@ call_ad(struct sock *ctnl, struct sk_buff *skb, struct ip_set *set,
         struct nlattr *tb[], enum ipset_adt adt,
         u32 flags, bool use_lineno)
 {
-        int ret, retried = 0;
+        int ret;
         u32 lineno = 0;
-        bool eexist = flags & IPSET_FLAG_EXIST;
+        bool eexist = flags & IPSET_FLAG_EXIST, retried = false;
 
         do {
                 write_lock_bh(&set->lock);
-                ret = set->variant->uadt(set, tb, adt, &lineno, flags);
+                ret = set->variant->uadt(set, tb, adt, &lineno, flags, retried);
                 write_unlock_bh(&set->lock);
+                retried = true;
         } while (ret == -EAGAIN &&
                  set->variant->resize &&
-                 (ret = set->variant->resize(set, retried++)) == 0);
+                 (ret = set->variant->resize(set, retried)) == 0);
 
         if (!ret || (ret == -IPSET_ERR_EXIST && eexist))
                 return 0;
@@ -1322,7 +1350,7 @@ ip_set_utest(struct sock *ctnl, struct sk_buff *skb,
                 return -IPSET_ERR_PROTOCOL;
 
         read_lock_bh(&set->lock);
-        ret = set->variant->uadt(set, tb, IPSET_TEST, NULL, 0);
+        ret = set->variant->uadt(set, tb, IPSET_TEST, NULL, 0, 0);
         read_unlock_bh(&set->lock);
         /* Userspace can't trigger element to be re-added */
         if (ret == -EAGAIN)
@@ -1365,7 +1393,7 @@ ip_set_header(struct sock *ctnl, struct sk_buff *skb,
         NLA_PUT_STRING(skb2, IPSET_ATTR_SETNAME, set->name);
         NLA_PUT_STRING(skb2, IPSET_ATTR_TYPENAME, set->type->name);
         NLA_PUT_U8(skb2, IPSET_ATTR_FAMILY, set->family);
-        NLA_PUT_U8(skb2, IPSET_ATTR_REVISION, set->type->revision);
+        NLA_PUT_U8(skb2, IPSET_ATTR_REVISION, set->revision);
         nlmsg_end(skb2, nlh2);
 
         ret = netlink_unicast(ctnl, skb2, NETLINK_CB(skb).pid, MSG_DONTWAIT);
diff --git a/net/netfilter/ipset/ip_set_hash_ip.c b/net/netfilter/ipset/ip_set_hash_ip.c
index 43bcce200129..fa80bb9b9c81 100644
--- a/net/netfilter/ipset/ip_set_hash_ip.c
+++ b/net/netfilter/ipset/ip_set_hash_ip.c
@@ -108,25 +108,32 @@ nla_put_failure:
 #define HOST_MASK       32
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ip4_data_next(struct ip_set_hash *h, const struct hash_ip4_elem *d)
+{
+        h->next.ip = ntohl(d->ip);
+}
+
 static int
 hash_ip4_kadt(struct ip_set *set, const struct sk_buff *skb,
-              enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+              const struct xt_action_param *par,
+              enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         __be32 ip;
 
-        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &ip);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &ip);
         ip &= ip_set_netmask(h->netmask);
         if (ip == 0)
                 return -EINVAL;
 
-        return adtfn(set, &ip, h->timeout);
+        return adtfn(set, &ip, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
-              enum ipset_adt adt, u32 *lineno, u32 flags)
+              enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -157,7 +164,7 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
                 nip = htonl(ip);
                 if (nip == 0)
                         return -IPSET_ERR_HASH_ELEM;
-                return adtfn(set, &nip, timeout);
+                return adtfn(set, &nip, timeout, flags);
         }
 
         if (tb[IPSET_ATTR_IP_TO]) {
@@ -171,18 +178,19 @@ hash_ip4_uadt(struct ip_set *set, struct nlattr *tb[],
 
                 if (cidr > 32)
                         return -IPSET_ERR_INVALID_CIDR;
-                ip &= ip_set_hostmask(cidr);
-                ip_to = ip | ~ip_set_hostmask(cidr);
+                ip_set_mask_from_to(ip, ip_to, cidr);
         } else
                 ip_to = ip;
 
         hosts = h->netmask == 32 ? 1 : 2 << (32 - h->netmask - 1);
 
+        if (retried)
+                ip = h->next.ip;
         for (; !before(ip_to, ip); ip += hosts) {
                 nip = htonl(ip);
                 if (nip == 0)
                         return -IPSET_ERR_HASH_ELEM;
-                ret = adtfn(set, &nip, timeout);
+                ret = adtfn(set, &nip, timeout, flags);
 
                 if (ret && !ip_set_eexist(ret, flags))
                         return ret;
@@ -281,20 +289,26 @@ nla_put_failure:
 #define HOST_MASK       128
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ip6_data_next(struct ip_set_hash *h, const struct hash_ip6_elem *d)
+{
+}
+
 static int
 hash_ip6_kadt(struct ip_set *set, const struct sk_buff *skb,
-              enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+              const struct xt_action_param *par,
+              enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         union nf_inet_addr ip;
 
-        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &ip.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &ip.in6);
         ip6_netmask(&ip, h->netmask);
         if (ipv6_addr_any(&ip.in6))
                 return -EINVAL;
 
-        return adtfn(set, &ip, h->timeout);
+        return adtfn(set, &ip, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static const struct nla_policy hash_ip6_adt_policy[IPSET_ATTR_ADT_MAX + 1] = {
@@ -305,7 +319,7 @@ static const struct nla_policy hash_ip6_adt_policy[IPSET_ATTR_ADT_MAX + 1] = {
 
 static int
 hash_ip6_uadt(struct ip_set *set, struct nlattr *tb[],
-              enum ipset_adt adt, u32 *lineno, u32 flags)
+              enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -336,7 +350,7 @@ hash_ip6_uadt(struct ip_set *set, struct nlattr *tb[],
                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
         }
 
-        ret = adtfn(set, &ip, timeout);
+        ret = adtfn(set, &ip, timeout, flags);
 
         return ip_set_eexist(ret, flags) ? 0 : ret;
 }
@@ -428,7 +442,8 @@ static struct ip_set_type hash_ip_type __read_mostly = {
         .features       = IPSET_TYPE_IP,
         .dimension      = IPSET_DIM_ONE,
         .family         = AF_UNSPEC,
-        .revision       = 0,
+        .revision_min   = 0,
+        .revision_max   = 0,
         .create         = hash_ip_create,
         .create_policy  = {
                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index 14281b6b8074..bbf51b67b170 100644
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -124,31 +124,40 @@ nla_put_failure:
 #define HOST_MASK       32
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ipport4_data_next(struct ip_set_hash *h,
+                       const struct hash_ipport4_elem *d)
+{
+        h->next.ip = ntohl(d->ip);
+        h->next.port = ntohs(d->port);
+}
+
 static int
 hash_ipport4_kadt(struct ip_set *set, const struct sk_buff *skb,
-                  enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                  const struct xt_action_param *par,
+                  enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_ipport4_elem data = { };
 
-        if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
-                  enum ipset_adt adt, u32 *lineno, u32 flags)
+                  enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_ipport4_elem data = { };
-        u32 ip, ip_to, p, port, port_to;
+        u32 ip, ip_to, p = 0, port, port_to;
         u32 timeout = h->timeout;
         bool with_ports = false;
         int ret;
@@ -192,7 +201,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
         if (adt == IPSET_TEST ||
             !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
               tb[IPSET_ATTR_PORT_TO])) {
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
@@ -208,8 +217,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 
                 if (cidr > 32)
                         return -IPSET_ERR_INVALID_CIDR;
-                ip &= ip_set_hostmask(cidr);
-                ip_to = ip | ~ip_set_hostmask(cidr);
+                ip_set_mask_from_to(ip, ip_to, cidr);
         } else
                 ip_to = ip;
 
@@ -220,17 +228,21 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
                         swap(port, port_to);
         }
 
-        for (; !before(ip_to, ip); ip++)
-                for (p = port; p <= port_to; p++) {
+        if (retried)
+                ip = h->next.ip;
+        for (; !before(ip_to, ip); ip++) {
+                p = retried && ip == h->next.ip ? h->next.port : port;
+                for (; p <= port_to; p++) {
                         data.ip = htonl(ip);
                         data.port = htons(p);
-                        ret = adtfn(set, &data, timeout);
+                        ret = adtfn(set, &data, timeout, flags);
 
                         if (ret && !ip_set_eexist(ret, flags))
                                 return ret;
                         else
                                 ret = 0;
                 }
+        }
         return ret;
 }
 
@@ -328,26 +340,34 @@ nla_put_failure:
 #define HOST_MASK       128
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ipport6_data_next(struct ip_set_hash *h,
+                       const struct hash_ipport6_elem *d)
+{
+        h->next.port = ntohs(d->port);
+}
+
 static int
 hash_ipport6_kadt(struct ip_set *set, const struct sk_buff *skb,
-                  enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                  const struct xt_action_param *par,
+                  enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_ipport6_elem data = { };
 
-        if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
-                  enum ipset_adt adt, u32 *lineno, u32 flags)
+                  enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -396,7 +416,7 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
         }
 
         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
@@ -405,9 +425,11 @@ hash_ipport6_uadt(struct ip_set *set, struct nlattr *tb[],
         if (port > port_to)
                 swap(port, port_to);
 
+        if (retried)
+                port = h->next.port;
         for (; port <= port_to; port++) {
                 data.port = htons(port);
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
 
                 if (ret && !ip_set_eexist(ret, flags))
                         return ret;
@@ -491,7 +513,8 @@ static struct ip_set_type hash_ipport_type __read_mostly = {
         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT,
         .dimension      = IPSET_DIM_TWO,
         .family         = AF_UNSPEC,
-        .revision       = 1,
+        .revision_min   = 0,
+        .revision_max   = 1,    /* SCTP and UDPLITE support added */
         .create         = hash_ipport_create,
         .create_policy  = {
                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index 401c8a2531db..96525f529a54 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -127,32 +127,41 @@ nla_put_failure:
 #define HOST_MASK       32
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ipportip4_data_next(struct ip_set_hash *h,
+                         const struct hash_ipportip4_elem *d)
+{
+        h->next.ip = ntohl(d->ip);
+        h->next.port = ntohs(d->port);
+}
+
 static int
 hash_ipportip4_kadt(struct ip_set *set, const struct sk_buff *skb,
-                    enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                    const struct xt_action_param *par,
+                    enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_ipportip4_elem data = { };
 
-        if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
-        ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
-                    enum ipset_adt adt, u32 *lineno, u32 flags)
+                    enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_ipportip4_elem data = { };
-        u32 ip, ip_to, p, port, port_to;
+        u32 ip, ip_to, p = 0, port, port_to;
         u32 timeout = h->timeout;
         bool with_ports = false;
         int ret;
@@ -200,7 +209,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
         if (adt == IPSET_TEST ||
             !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
               tb[IPSET_ATTR_PORT_TO])) {
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
@@ -216,8 +225,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 
                 if (cidr > 32)
                         return -IPSET_ERR_INVALID_CIDR;
-                ip &= ip_set_hostmask(cidr);
-                ip_to = ip | ~ip_set_hostmask(cidr);
+                ip_set_mask_from_to(ip, ip_to, cidr);
         } else
                 ip_to = ip;
 
@@ -228,17 +236,21 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
                         swap(port, port_to);
         }
 
-        for (; !before(ip_to, ip); ip++)
-                for (p = port; p <= port_to; p++) {
+        if (retried)
+                ip = h->next.ip;
+        for (; !before(ip_to, ip); ip++) {
+                p = retried && ip == h->next.ip ? h->next.port : port;
+                for (; p <= port_to; p++) {
                         data.ip = htonl(ip);
                         data.port = htons(p);
-                        ret = adtfn(set, &data, timeout);
+                        ret = adtfn(set, &data, timeout, flags);
 
                         if (ret && !ip_set_eexist(ret, flags))
                                 return ret;
                         else
                                 ret = 0;
                 }
+        }
         return ret;
 }
 
@@ -341,27 +353,35 @@ nla_put_failure:
 #define HOST_MASK       128
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ipportip6_data_next(struct ip_set_hash *h,
+                         const struct hash_ipportip6_elem *d)
+{
+        h->next.port = ntohs(d->port);
+}
+
 static int
 hash_ipportip6_kadt(struct ip_set *set, const struct sk_buff *skb,
-                    enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                    const struct xt_action_param *par,
+                    enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_ipportip6_elem data = { };
 
-        if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
-        ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
-                    enum ipset_adt adt, u32 *lineno, u32 flags)
+                    enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -414,7 +434,7 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
         }
 
         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
@@ -423,9 +443,11 @@ hash_ipportip6_uadt(struct ip_set *set, struct nlattr *tb[],
         if (port > port_to)
                 swap(port, port_to);
 
+        if (retried)
+                port = h->next.port;
         for (; port <= port_to; port++) {
                 data.port = htons(port);
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
 
                 if (ret && !ip_set_eexist(ret, flags))
                         return ret;
@@ -509,7 +531,8 @@ static struct ip_set_type hash_ipportip_type __read_mostly = {
         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2,
         .dimension      = IPSET_DIM_THREE,
         .family         = AF_UNSPEC,
-        .revision       = 1,
+        .revision_min   = 0,
+        .revision_max   = 1,    /* SCTP and UDPLITE support added */
         .create         = hash_ipportip_create,
         .create_policy  = {
                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index 4743e5402522..d2d6ab89f087 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -140,39 +140,51 @@ nla_put_failure:
 #define HOST_MASK       32
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ipportnet4_data_next(struct ip_set_hash *h,
+                          const struct hash_ipportnet4_elem *d)
+{
+        h->next.ip = ntohl(d->ip);
+        h->next.port = ntohs(d->port);
+        h->next.ip2 = ntohl(d->ip2);
+}
+
 static int
 hash_ipportnet4_kadt(struct ip_set *set, const struct sk_buff *skb,
-                     enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                     const struct xt_action_param *par,
+                     enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_ipportnet4_elem data =
-                { .cidr = h->nets[0].cidr || HOST_MASK };
+        struct hash_ipportnet4_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
 
         if (data.cidr == 0)
                 return -EINVAL;
         if (adt == IPSET_TEST)
                 data.cidr = HOST_MASK;
 
-        if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
-        ip4addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2);
         data.ip2 &= ip_set_netmask(data.cidr);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
-                     enum ipset_adt adt, u32 *lineno, u32 flags)
+                     enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_ipportnet4_elem data = { .cidr = HOST_MASK };
-        u32 ip, ip_to, p, port, port_to;
+        u32 ip, ip_to, p = 0, port, port_to;
+        u32 ip2_from = 0, ip2_to, ip2_last, ip2;
         u32 timeout = h->timeout;
         bool with_ports = false;
         int ret;
@@ -186,21 +198,19 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
         if (tb[IPSET_ATTR_LINENO])
                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 
-        ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
+        ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
         if (ret)
                 return ret;
 
-        ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP2], &data.ip2);
+        ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2], &ip2_from);
         if (ret)
                 return ret;
 
-        if (tb[IPSET_ATTR_CIDR2])
+        if (tb[IPSET_ATTR_CIDR2]) {
                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR2]);
-
-        if (!data.cidr)
-                return -IPSET_ERR_INVALID_CIDR;
-
-        data.ip2 &= ip_set_netmask(data.cidr);
+                if (!data.cidr)
+                        return -IPSET_ERR_INVALID_CIDR;
+        }
 
         if (tb[IPSET_ATTR_PORT])
                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
@@ -225,14 +235,16 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
         }
 
+        with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
         if (adt == IPSET_TEST ||
-            !(tb[IPSET_ATTR_IP_TO] || tb[IPSET_ATTR_CIDR] ||
-              tb[IPSET_ATTR_PORT_TO])) {
-                ret = adtfn(set, &data, timeout);
+            !(tb[IPSET_ATTR_CIDR] || tb[IPSET_ATTR_IP_TO] || with_ports ||
+              tb[IPSET_ATTR_IP2_TO])) {
+                data.ip = htonl(ip);
+                data.ip2 = htonl(ip2_from & ip_set_hostmask(data.cidr));
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
-        ip = ntohl(data.ip);
         if (tb[IPSET_ATTR_IP_TO]) {
                 ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
                 if (ret)
@@ -244,29 +256,50 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 
                 if (cidr > 32)
                         return -IPSET_ERR_INVALID_CIDR;
-                ip &= ip_set_hostmask(cidr);
-                ip_to = ip | ~ip_set_hostmask(cidr);
-        } else
-                ip_to = ip;
+                ip_set_mask_from_to(ip, ip_to, cidr);
+        }
 
         port_to = port = ntohs(data.port);
-        if (with_ports && tb[IPSET_ATTR_PORT_TO]) {
+        if (tb[IPSET_ATTR_PORT_TO]) {
                 port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
                 if (port > port_to)
                         swap(port, port_to);
         }
+        if (tb[IPSET_ATTR_IP2_TO]) {
+                ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP2_TO], &ip2_to);
+                if (ret)
+                        return ret;
+                if (ip2_from > ip2_to)
+                        swap(ip2_from, ip2_to);
+                if (ip2_from + UINT_MAX == ip2_to)
+                        return -IPSET_ERR_HASH_RANGE;
+        } else {
+                ip_set_mask_from_to(ip2_from, ip2_to, data.cidr);
+        }
 
-        for (; !before(ip_to, ip); ip++)
-                for (p = port; p <= port_to; p++) {
-                        data.ip = htonl(ip);
+        if (retried)
+                ip = h->next.ip;
+        for (; !before(ip_to, ip); ip++) {
+                data.ip = htonl(ip);
+                p = retried && ip == h->next.ip ? h->next.port : port;
+                for (; p <= port_to; p++) {
                         data.port = htons(p);
-                        ret = adtfn(set, &data, timeout);
-
-                        if (ret && !ip_set_eexist(ret, flags))
-                                return ret;
-                        else
-                                ret = 0;
+                        ip2 = retried && ip == h->next.ip && p == h->next.port
+                                ? h->next.ip2 : ip2_from;
+                        while (!after(ip2, ip2_to)) {
+                                data.ip2 = htonl(ip2);
+                                ip2_last = ip_set_range_to_cidr(ip2, ip2_to,
+                                                                &data.cidr);
+                                ret = adtfn(set, &data, timeout, flags);
+
+                                if (ret && !ip_set_eexist(ret, flags))
+                                        return ret;
+                                else
+                                        ret = 0;
+                                ip2 = ip2_last + 1;
+                        }
                 }
+        }
         return ret;
 }
 
@@ -388,34 +421,43 @@ nla_put_failure:
 #define HOST_MASK       128
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_ipportnet6_data_next(struct ip_set_hash *h,
+                          const struct hash_ipportnet6_elem *d)
+{
+        h->next.port = ntohs(d->port);
+}
+
 static int
 hash_ipportnet6_kadt(struct ip_set *set, const struct sk_buff *skb,
-                     enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                     const struct xt_action_param *par,
+                     enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_ipportnet6_elem data =
-                { .cidr = h->nets[0].cidr || HOST_MASK };
+        struct hash_ipportnet6_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
 
         if (data.cidr == 0)
                 return -EINVAL;
         if (adt == IPSET_TEST)
                 data.cidr = HOST_MASK;
 
-        if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
-        ip6addrptr(skb, flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_THREE_SRC, &data.ip2.in6);
         ip6_netmask(&data.ip2, data.cidr);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
-                     enum ipset_adt adt, u32 *lineno, u32 flags)
+                     enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -432,6 +474,8 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
                      tb[IPSET_ATTR_IP_TO] ||
                      tb[IPSET_ATTR_CIDR]))
                 return -IPSET_ERR_PROTOCOL;
+        if (unlikely(tb[IPSET_ATTR_IP_TO]))
+                return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 
         if (tb[IPSET_ATTR_LINENO])
                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
@@ -476,7 +520,7 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
         }
 
         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
@@ -485,9 +529,11 @@ hash_ipportnet6_uadt(struct ip_set *set, struct nlattr *tb[],
         if (port > port_to)
                 swap(port, port_to);
 
+        if (retried)
+                port = h->next.port;
         for (; port <= port_to; port++) {
                 data.port = htons(port);
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
 
                 if (ret && !ip_set_eexist(ret, flags))
                         return ret;
@@ -574,7 +620,9 @@ static struct ip_set_type hash_ipportnet_type __read_mostly = {
         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT | IPSET_TYPE_IP2,
         .dimension      = IPSET_DIM_THREE,
         .family         = AF_UNSPEC,
-        .revision       = 1,
+        .revision_min   = 0,
+        /*                1        SCTP and UDPLITE support added */
+        .revision_max   = 2,    /* Range as input support for IPv4 added */
         .create         = hash_ipportnet_create,
         .create_policy  = {
                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
@@ -587,6 +635,7 @@ static struct ip_set_type hash_ipportnet_type __read_mostly = {
                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
                 [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
                 [IPSET_ATTR_IP2]        = { .type = NLA_NESTED },
+                [IPSET_ATTR_IP2_TO]     = { .type = NLA_NESTED },
                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
diff --git a/net/netfilter/ipset/ip_set_hash_net.c b/net/netfilter/ipset/ip_set_hash_net.c
index c4db202b7da4..2d4b1f48e8c9 100644
--- a/net/netfilter/ipset/ip_set_hash_net.c
+++ b/net/netfilter/ipset/ip_set_hash_net.c
@@ -125,33 +125,44 @@ nla_put_failure:
 #define HOST_MASK       32
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_net4_data_next(struct ip_set_hash *h,
+                    const struct hash_net4_elem *d)
+{
+        h->next.ip = ntohl(d->ip);
+}
+
 static int
 hash_net4_kadt(struct ip_set *set, const struct sk_buff *skb,
-               enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+               const struct xt_action_param *par,
+               enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_net4_elem data = { .cidr = h->nets[0].cidr || HOST_MASK };
+        struct hash_net4_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
 
         if (data.cidr == 0)
                 return -EINVAL;
         if (adt == IPSET_TEST)
                 data.cidr = HOST_MASK;
 
-        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
         data.ip &= ip_set_netmask(data.cidr);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
-               enum ipset_adt adt, u32 *lineno, u32 flags)
+               enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_net4_elem data = { .cidr = HOST_MASK };
         u32 timeout = h->timeout;
+        u32 ip = 0, ip_to, last;
         int ret;
 
         if (unlikely(!tb[IPSET_ATTR_IP] ||
@@ -161,17 +172,15 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
         if (tb[IPSET_ATTR_LINENO])
                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 
-        ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
+        ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
         if (ret)
                 return ret;
 
-        if (tb[IPSET_ATTR_CIDR])
+        if (tb[IPSET_ATTR_CIDR]) {
                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
-
-        if (!data.cidr)
-                return -IPSET_ERR_INVALID_CIDR;
-
-        data.ip &= ip_set_netmask(data.cidr);
+                if (!data.cidr)
+                        return -IPSET_ERR_INVALID_CIDR;
+        }
 
         if (tb[IPSET_ATTR_TIMEOUT]) {
                 if (!with_timeout(h->timeout))
@@ -179,9 +188,35 @@ hash_net4_uadt(struct ip_set *set, struct nlattr *tb[],
                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
         }
 
-        ret = adtfn(set, &data, timeout);
+        if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) {
+                data.ip = htonl(ip & ip_set_hostmask(data.cidr));
+                ret = adtfn(set, &data, timeout, flags);
+                return ip_set_eexist(ret, flags) ? 0 : ret;
+        }
 
-        return ip_set_eexist(ret, flags) ? 0 : ret;
+        ip_to = ip;
+        if (tb[IPSET_ATTR_IP_TO]) {
+                ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
+                if (ret)
+                        return ret;
+                if (ip_to < ip)
+                        swap(ip, ip_to);
+                if (ip + UINT_MAX == ip_to)
+                        return -IPSET_ERR_HASH_RANGE;
+        }
+        if (retried)
+                ip = h->next.ip;
+        while (!after(ip, ip_to)) {
+                data.ip = htonl(ip);
+                last = ip_set_range_to_cidr(ip, ip_to, &data.cidr);
+                ret = adtfn(set, &data, timeout, flags);
+                if (ret && !ip_set_eexist(ret, flags))
+                        return ret;
+                else
+                        ret = 0;
+                ip = last + 1;
+        }
+        return ret;
 }
 
 static bool
@@ -290,28 +325,37 @@ nla_put_failure:
 #define HOST_MASK       128
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_net6_data_next(struct ip_set_hash *h,
+                    const struct hash_net6_elem *d)
+{
+}
+
 static int
 hash_net6_kadt(struct ip_set *set, const struct sk_buff *skb,
-               enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+               const struct xt_action_param *par,
+               enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
-        struct hash_net6_elem data = { .cidr = h->nets[0].cidr || HOST_MASK };
+        struct hash_net6_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
 
         if (data.cidr == 0)
                 return -EINVAL;
         if (adt == IPSET_TEST)
                 data.cidr = HOST_MASK;
 
-        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
         ip6_netmask(&data.ip, data.cidr);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
-               enum ipset_adt adt, u32 *lineno, u32 flags)
+               enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -322,6 +366,8 @@ hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
         if (unlikely(!tb[IPSET_ATTR_IP] ||
                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
                 return -IPSET_ERR_PROTOCOL;
+        if (unlikely(tb[IPSET_ATTR_IP_TO]))
+                return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 
         if (tb[IPSET_ATTR_LINENO])
                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
@@ -344,7 +390,7 @@ hash_net6_uadt(struct ip_set *set, struct nlattr *tb[],
                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
         }
 
-        ret = adtfn(set, &data, timeout);
+        ret = adtfn(set, &data, timeout, flags);
 
         return ip_set_eexist(ret, flags) ? 0 : ret;
 }
@@ -425,7 +471,8 @@ static struct ip_set_type hash_net_type __read_mostly = {
         .features       = IPSET_TYPE_IP,
         .dimension      = IPSET_DIM_ONE,
         .family         = AF_UNSPEC,
-        .revision       = 0,
+        .revision_min   = 0,
+        .revision_max   = 1,    /* Range as input support for IPv4 added */
         .create         = hash_net_create,
         .create_policy  = {
                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
@@ -436,6 +483,7 @@ static struct ip_set_type hash_net_type __read_mostly = {
         },
         .adt_policy     = {
                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
+                [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
                 [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
                 [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
         },
diff --git a/net/netfilter/ipset/ip_set_hash_netiface.c b/net/netfilter/ipset/ip_set_hash_netiface.c
new file mode 100644
index 000000000000..3d6c53b6211a
--- /dev/null
+++ b/net/netfilter/ipset/ip_set_hash_netiface.c
@@ -0,0 +1,762 @@
+/* Copyright (C) 2011 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/* Kernel module implementing an IP set type: the hash:net,iface type */
+
+#include <linux/jhash.h>
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+#include <linux/errno.h>
+#include <linux/random.h>
+#include <linux/rbtree.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+#include <net/netlink.h>
+
+#include <linux/netfilter.h>
+#include <linux/netfilter/ipset/pfxlen.h>
+#include <linux/netfilter/ipset/ip_set.h>
+#include <linux/netfilter/ipset/ip_set_timeout.h>
+#include <linux/netfilter/ipset/ip_set_hash.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
+MODULE_DESCRIPTION("hash:net,iface type of IP sets");
+MODULE_ALIAS("ip_set_hash:net,iface");
+
+/* Interface name rbtree */
+
+struct iface_node {
+        struct rb_node node;
+        char iface[IFNAMSIZ];
+};
+
+#define iface_data(n)   (rb_entry(n, struct iface_node, node)->iface)
+
+static inline long
+ifname_compare(const char *_a, const char *_b)
+{
+        const long *a = (const long *)_a;
+        const long *b = (const long *)_b;
+
+        BUILD_BUG_ON(IFNAMSIZ > 4 * sizeof(unsigned long));
+        if (a[0] != b[0])
+                return a[0] - b[0];
+        if (IFNAMSIZ > sizeof(long)) {
+                if (a[1] != b[1])
+                        return a[1] - b[1];
+        }
+        if (IFNAMSIZ > 2 * sizeof(long)) {
+                if (a[2] != b[2])
+                        return a[2] - b[2];
+        }
+        if (IFNAMSIZ > 3 * sizeof(long)) {
+                if (a[3] != b[3])
+                        return a[3] - b[3];
+        }
+        return 0;
+}
+
+static void
+rbtree_destroy(struct rb_root *root)
+{
+        struct rb_node *p, *n = root->rb_node;
+        struct iface_node *node;
+
+        /* Non-recursive destroy, like in ext3 */
+        while (n) {
+                if (n->rb_left) {
+                        n = n->rb_left;
+                        continue;
+                }
+                if (n->rb_right) {
+                        n = n->rb_right;
+                        continue;
+                }
+                p = rb_parent(n);
+                node = rb_entry(n, struct iface_node, node);
+                if (!p)
+                        *root = RB_ROOT;
+                else if (p->rb_left == n)
+                        p->rb_left = NULL;
+                else if (p->rb_right == n)
+                        p->rb_right = NULL;
+
+                kfree(node);
+                n = p;
+        }
+}
+
+static int
+iface_test(struct rb_root *root, const char **iface)
+{
+        struct rb_node *n = root->rb_node;
+
+        while (n) {
+                const char *d = iface_data(n);
+                int res = ifname_compare(*iface, d);
+
+                if (res < 0)
+                        n = n->rb_left;
+                else if (res > 0)
+                        n = n->rb_right;
+                else {
+                        *iface = d;
+                        return 1;
+                }
+        }
+        return 0;
+}
+
+static int
+iface_add(struct rb_root *root, const char **iface)
+{
+        struct rb_node **n = &(root->rb_node), *p = NULL;
+        struct iface_node *d;
+
+        while (*n) {
+                char *ifname = iface_data(*n);
+                int res = ifname_compare(*iface, ifname);
+
+                p = *n;
+                if (res < 0)
+                        n = &((*n)->rb_left);
+                else if (res > 0)
+                        n = &((*n)->rb_right);
+                else {
+                        *iface = ifname;
+                        return 0;
+                }
+        }
+
+        d = kzalloc(sizeof(*d), GFP_ATOMIC);
+        if (!d)
+                return -ENOMEM;
+        strcpy(d->iface, *iface);
+
+        rb_link_node(&d->node, p, n);
+        rb_insert_color(&d->node, root);
+
+        *iface = d->iface;
+        return 0;
+}
+
+/* Type specific function prefix */
+#define TYPE            hash_netiface
+
+static bool
+hash_netiface_same_set(const struct ip_set *a, const struct ip_set *b);
+
+#define hash_netiface4_same_set hash_netiface_same_set
+#define hash_netiface6_same_set hash_netiface_same_set
+
+#define STREQ(a, b)     (strcmp(a, b) == 0)
+
+/* The type variant functions: IPv4 */
+
+/* Member elements without timeout */
+struct hash_netiface4_elem {
+        __be32 ip;
+        const char *iface;
+        u8 physdev;
+        u8 cidr;
+        u16 padding;
+};
+
+/* Member elements with timeout support */
+struct hash_netiface4_telem {
+        __be32 ip;
+        const char *iface;
+        u8 physdev;
+        u8 cidr;
+        u16 padding;
+        unsigned long timeout;
+};
+
+static inline bool
+hash_netiface4_data_equal(const struct hash_netiface4_elem *ip1,
+                          const struct hash_netiface4_elem *ip2)
+{
+        return ip1->ip == ip2->ip &&
+               ip1->cidr == ip2->cidr &&
+               ip1->physdev == ip2->physdev &&
+               ip1->iface == ip2->iface;
+}
+
+static inline bool
+hash_netiface4_data_isnull(const struct hash_netiface4_elem *elem)
+{
+        return elem->cidr == 0;
+}
+
+static inline void
+hash_netiface4_data_copy(struct hash_netiface4_elem *dst,
+                         const struct hash_netiface4_elem *src) {
+        dst->ip = src->ip;
+        dst->cidr = src->cidr;
+        dst->physdev = src->physdev;
+        dst->iface = src->iface;
+}
+
+static inline void
+hash_netiface4_data_netmask(struct hash_netiface4_elem *elem, u8 cidr)
+{
+        elem->ip &= ip_set_netmask(cidr);
+        elem->cidr = cidr;
+}
+
+static inline void
+hash_netiface4_data_zero_out(struct hash_netiface4_elem *elem)
+{
+        elem->cidr = 0;
+}
+
+static bool
+hash_netiface4_data_list(struct sk_buff *skb,
+                         const struct hash_netiface4_elem *data)
+{
+        u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+        NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
+        NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+        NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+        if (flags)
+                NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+        return 0;
+
+nla_put_failure:
+        return 1;
+}
+
+static bool
+hash_netiface4_data_tlist(struct sk_buff *skb,
+                          const struct hash_netiface4_elem *data)
+{
+        const struct hash_netiface4_telem *tdata =
+                (const struct hash_netiface4_telem *)data;
+        u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+        NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
+        NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+        NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+        if (flags)
+                NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+        NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
+                      htonl(ip_set_timeout_get(tdata->timeout)));
+
+        return 0;
+
+nla_put_failure:
+        return 1;
+}
+
+#define IP_SET_HASH_WITH_NETS
+#define IP_SET_HASH_WITH_RBTREE
+
+#define PF              4
+#define HOST_MASK       32
+#include <linux/netfilter/ipset/ip_set_ahash.h>
+
+static inline void
+hash_netiface4_data_next(struct ip_set_hash *h,
+                         const struct hash_netiface4_elem *d)
+{
+        h->next.ip = ntohl(d->ip);
+}
+
+static int
+hash_netiface4_kadt(struct ip_set *set, const struct sk_buff *skb,
+                    const struct xt_action_param *par,
+                    enum ipset_adt adt, const struct ip_set_adt_opt *opt)
+{
+        struct ip_set_hash *h = set->data;
+        ipset_adtfn adtfn = set->variant->adt[adt];
+        struct hash_netiface4_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
+        int ret;
+
+        if (data.cidr == 0)
+                return -EINVAL;
+        if (adt == IPSET_TEST)
+                data.cidr = HOST_MASK;
+
+        ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
+        data.ip &= ip_set_netmask(data.cidr);
+
+#define IFACE(dir)      (par->dir ? par->dir->name : NULL)
+#define PHYSDEV(dir)    (nf_bridge->dir ? nf_bridge->dir->name : NULL)
+#define SRCDIR          (opt->flags & IPSET_DIM_TWO_SRC)
+
+        if (opt->cmdflags & IPSET_FLAG_PHYSDEV) {
+#ifdef CONFIG_BRIDGE_NETFILTER
+                const struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+
+                if (!nf_bridge)
+                        return -EINVAL;
+                data.iface = SRCDIR ? PHYSDEV(physindev) : PHYSDEV(physoutdev);
+                data.physdev = 1;
+#else
+                data.iface = NULL;
+#endif
+        } else
+                data.iface = SRCDIR ? IFACE(in) : IFACE(out);
+
+        if (!data.iface)
+                return -EINVAL;
+        ret = iface_test(&h->rbtree, &data.iface);
+        if (adt == IPSET_ADD) {
+                if (!ret) {
+                        ret = iface_add(&h->rbtree, &data.iface);
+                        if (ret)
+                                return ret;
+                }
+        } else if (!ret)
+                return ret;
+
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
+}
+
+static int
+hash_netiface4_uadt(struct ip_set *set, struct nlattr *tb[],
+                    enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
+{
+        struct ip_set_hash *h = set->data;
+        ipset_adtfn adtfn = set->variant->adt[adt];
+        struct hash_netiface4_elem data = { .cidr = HOST_MASK };
+        u32 ip = 0, ip_to, last;
+        u32 timeout = h->timeout;
+        char iface[IFNAMSIZ] = {};
+        int ret;
+
+        if (unlikely(!tb[IPSET_ATTR_IP] ||
+                     !tb[IPSET_ATTR_IFACE] ||
+                     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
+                     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
+                return -IPSET_ERR_PROTOCOL;
+
+        if (tb[IPSET_ATTR_LINENO])
+                *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
+
+        ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
+        if (ret)
+                return ret;
+
+        if (tb[IPSET_ATTR_CIDR]) {
+                data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
+                if (!data.cidr)
+                        return -IPSET_ERR_INVALID_CIDR;
+        }
+
+        if (tb[IPSET_ATTR_TIMEOUT]) {
+                if (!with_timeout(h->timeout))
+                        return -IPSET_ERR_TIMEOUT;
+                timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
+        }
+
+        strcpy(iface, nla_data(tb[IPSET_ATTR_IFACE]));
+        data.iface = iface;
+        ret = iface_test(&h->rbtree, &data.iface);
+        if (adt == IPSET_ADD) {
+                if (!ret) {
+                        ret = iface_add(&h->rbtree, &data.iface);
+                        if (ret)
+                                return ret;
+                }
+        } else if (!ret)
+                return ret;
+
+        if (tb[IPSET_ATTR_CADT_FLAGS]) {
+                u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
+                if (cadt_flags & IPSET_FLAG_PHYSDEV)
+                        data.physdev = 1;
+        }
+
+        if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) {
+                data.ip = htonl(ip & ip_set_hostmask(data.cidr));
+                ret = adtfn(set, &data, timeout, flags);
+                return ip_set_eexist(ret, flags) ? 0 : ret;
+        }
+
+        if (tb[IPSET_ATTR_IP_TO]) {
+                ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
+                if (ret)
+                        return ret;
+                if (ip_to < ip)
+                        swap(ip, ip_to);
+                if (ip + UINT_MAX == ip_to)
+                        return -IPSET_ERR_HASH_RANGE;
+        } else {
+                ip_set_mask_from_to(ip, ip_to, data.cidr);
+        }
+
+        if (retried)
+                ip = h->next.ip;
+        while (!after(ip, ip_to)) {
+                data.ip = htonl(ip);
+                last = ip_set_range_to_cidr(ip, ip_to, &data.cidr);
+                ret = adtfn(set, &data, timeout, flags);
+
+                if (ret && !ip_set_eexist(ret, flags))
+                        return ret;
+                else
+                        ret = 0;
+                ip = last + 1;
+        }
+        return ret;
+}
+
+static bool
+hash_netiface_same_set(const struct ip_set *a, const struct ip_set *b)
+{
+        const struct ip_set_hash *x = a->data;
+        const struct ip_set_hash *y = b->data;
+
+        /* Resizing changes htable_bits, so we ignore it */
+        return x->maxelem == y->maxelem &&
+               x->timeout == y->timeout;
+}
+
+/* The type variant functions: IPv6 */
+
+struct hash_netiface6_elem {
+        union nf_inet_addr ip;
+        const char *iface;
+        u8 physdev;
+        u8 cidr;
+        u16 padding;
+};
+
+struct hash_netiface6_telem {
+        union nf_inet_addr ip;
+        const char *iface;
+        u8 physdev;
+        u8 cidr;
+        u16 padding;
+        unsigned long timeout;
+};
+
+static inline bool
+hash_netiface6_data_equal(const struct hash_netiface6_elem *ip1,
+                          const struct hash_netiface6_elem *ip2)
+{
+        return ipv6_addr_cmp(&ip1->ip.in6, &ip2->ip.in6) == 0 &&
+               ip1->cidr == ip2->cidr &&
+               ip1->physdev == ip2->physdev &&
+               ip1->iface == ip2->iface;
+}
+
+static inline bool
+hash_netiface6_data_isnull(const struct hash_netiface6_elem *elem)
+{
+        return elem->cidr == 0;
+}
+
+static inline void
+hash_netiface6_data_copy(struct hash_netiface6_elem *dst,
+                         const struct hash_netiface6_elem *src)
+{
+        memcpy(dst, src, sizeof(*dst));
+}
+
+static inline void
+hash_netiface6_data_zero_out(struct hash_netiface6_elem *elem)
+{
+}
+
+static inline void
+ip6_netmask(union nf_inet_addr *ip, u8 prefix)
+{
+        ip->ip6[0] &= ip_set_netmask6(prefix)[0];
+        ip->ip6[1] &= ip_set_netmask6(prefix)[1];
+        ip->ip6[2] &= ip_set_netmask6(prefix)[2];
+        ip->ip6[3] &= ip_set_netmask6(prefix)[3];
+}
+
+static inline void
+hash_netiface6_data_netmask(struct hash_netiface6_elem *elem, u8 cidr)
+{
+        ip6_netmask(&elem->ip, cidr);
+        elem->cidr = cidr;
+}
+
+static bool
+hash_netiface6_data_list(struct sk_buff *skb,
+                         const struct hash_netiface6_elem *data)
+{
+        u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+        NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
+        NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+        NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+        if (flags)
+                NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+        return 0;
+
+nla_put_failure:
+        return 1;
+}
+
+static bool
+hash_netiface6_data_tlist(struct sk_buff *skb,
+                          const struct hash_netiface6_elem *data)
+{
+        const struct hash_netiface6_telem *e =
+                (const struct hash_netiface6_telem *)data;
+        u32 flags = data->physdev ? IPSET_FLAG_PHYSDEV : 0;
+
+        NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
+        NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+        NLA_PUT_STRING(skb, IPSET_ATTR_IFACE, data->iface);
+        if (flags)
+                NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, flags);
+        NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
+                      htonl(ip_set_timeout_get(e->timeout)));
+        return 0;
+
+nla_put_failure:
+        return 1;
+}
+
+#undef PF
+#undef HOST_MASK
+
+#define PF              6
+#define HOST_MASK       128
+#include <linux/netfilter/ipset/ip_set_ahash.h>
+
+static inline void
+hash_netiface6_data_next(struct ip_set_hash *h,
+                         const struct hash_netiface6_elem *d)
+{
+}
+
+static int
+hash_netiface6_kadt(struct ip_set *set, const struct sk_buff *skb,
+                    const struct xt_action_param *par,
+                    enum ipset_adt adt, const struct ip_set_adt_opt *opt)
+{
+        struct ip_set_hash *h = set->data;
+        ipset_adtfn adtfn = set->variant->adt[adt];
+        struct hash_netiface6_elem data = {
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
+        int ret;
+
+        if (data.cidr == 0)
+                return -EINVAL;
+        if (adt == IPSET_TEST)
+                data.cidr = HOST_MASK;
+
+        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+        ip6_netmask(&data.ip, data.cidr);
+
+        if (opt->cmdflags & IPSET_FLAG_PHYSDEV) {
+#ifdef CONFIG_BRIDGE_NETFILTER
+                const struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+
+                if (!nf_bridge)
+                        return -EINVAL;
+                data.iface = SRCDIR ? PHYSDEV(physindev) : PHYSDEV(physoutdev);
+                data.physdev = 1;
+#else
+                data.iface = NULL;
+#endif
+        } else
+                data.iface = SRCDIR ? IFACE(in) : IFACE(out);
+
+        if (!data.iface)
+                return -EINVAL;
+        ret = iface_test(&h->rbtree, &data.iface);
+        if (adt == IPSET_ADD) {
+                if (!ret) {
+                        ret = iface_add(&h->rbtree, &data.iface);
+                        if (ret)
+                                return ret;
+                }
+        } else if (!ret)
+                return ret;
+
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
+}
+
+static int
+hash_netiface6_uadt(struct ip_set *set, struct nlattr *tb[],
+                   enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
+{
+        struct ip_set_hash *h = set->data;
+        ipset_adtfn adtfn = set->variant->adt[adt];
+        struct hash_netiface6_elem data = { .cidr = HOST_MASK };
+        u32 timeout = h->timeout;
+        char iface[IFNAMSIZ] = {};
+        int ret;
+
+        if (unlikely(!tb[IPSET_ATTR_IP] ||
+                     !tb[IPSET_ATTR_IFACE] ||
+                     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
+                     !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
+                return -IPSET_ERR_PROTOCOL;
+        if (unlikely(tb[IPSET_ATTR_IP_TO]))
+                return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
+
+        if (tb[IPSET_ATTR_LINENO])
+                *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
+
+        ret = ip_set_get_ipaddr6(tb[IPSET_ATTR_IP], &data.ip);
+        if (ret)
+                return ret;
+
+        if (tb[IPSET_ATTR_CIDR])
+                data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
+        if (!data.cidr)
+                return -IPSET_ERR_INVALID_CIDR;
+        ip6_netmask(&data.ip, data.cidr);
+
+        if (tb[IPSET_ATTR_TIMEOUT]) {
+                if (!with_timeout(h->timeout))
+                        return -IPSET_ERR_TIMEOUT;
+                timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
+        }
+
+        strcpy(iface, nla_data(tb[IPSET_ATTR_IFACE]));
+        data.iface = iface;
+        ret = iface_test(&h->rbtree, &data.iface);
+        if (adt == IPSET_ADD) {
+                if (!ret) {
+                        ret = iface_add(&h->rbtree, &data.iface);
+                        if (ret)
+                                return ret;
+                }
+        } else if (!ret)
+                return ret;
+
+        if (tb[IPSET_ATTR_CADT_FLAGS]) {
+                u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
+                if (cadt_flags & IPSET_FLAG_PHYSDEV)
+                        data.physdev = 1;
+        }
+
+        ret = adtfn(set, &data, timeout, flags);
+
+        return ip_set_eexist(ret, flags) ? 0 : ret;
+}
+
+/* Create hash:ip type of sets */
+
+static int
+hash_netiface_create(struct ip_set *set, struct nlattr *tb[], u32 flags)
+{
+        struct ip_set_hash *h;
+        u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
+        u8 hbits;
+
+        if (!(set->family == AF_INET || set->family == AF_INET6))
+                return -IPSET_ERR_INVALID_FAMILY;
+
+        if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
+                     !ip_set_optattr_netorder(tb, IPSET_ATTR_MAXELEM) ||
+                     !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
+                return -IPSET_ERR_PROTOCOL;
+
+        if (tb[IPSET_ATTR_HASHSIZE]) {
+                hashsize = ip_set_get_h32(tb[IPSET_ATTR_HASHSIZE]);
+                if (hashsize < IPSET_MIMINAL_HASHSIZE)
+                        hashsize = IPSET_MIMINAL_HASHSIZE;
+        }
+
+        if (tb[IPSET_ATTR_MAXELEM])
+                maxelem = ip_set_get_h32(tb[IPSET_ATTR_MAXELEM]);
+
+        h = kzalloc(sizeof(*h)
+                    + sizeof(struct ip_set_hash_nets)
+                      * (set->family == AF_INET ? 32 : 128), GFP_KERNEL);
+        if (!h)
+                return -ENOMEM;
+
+        h->maxelem = maxelem;
+        get_random_bytes(&h->initval, sizeof(h->initval));
+        h->timeout = IPSET_NO_TIMEOUT;
+
+        hbits = htable_bits(hashsize);
+        h->table = ip_set_alloc(
+                        sizeof(struct htable)
+                        + jhash_size(hbits) * sizeof(struct hbucket));
+        if (!h->table) {
+                kfree(h);
+                return -ENOMEM;
+        }
+        h->table->htable_bits = hbits;
+        h->rbtree = RB_ROOT;
+
+        set->data = h;
+
+        if (tb[IPSET_ATTR_TIMEOUT]) {
+                h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
+
+                set->variant = set->family == AF_INET
+                        ? &hash_netiface4_tvariant : &hash_netiface6_tvariant;
+
+                if (set->family == AF_INET)
+                        hash_netiface4_gc_init(set);
+                else
+                        hash_netiface6_gc_init(set);
+        } else {
+                set->variant = set->family == AF_INET
+                        ? &hash_netiface4_variant : &hash_netiface6_variant;
+        }
+
+        pr_debug("create %s hashsize %u (%u) maxelem %u: %p(%p)\n",
+                 set->name, jhash_size(h->table->htable_bits),
+                 h->table->htable_bits, h->maxelem, set->data, h->table);
+
+        return 0;
+}
+
+static struct ip_set_type hash_netiface_type __read_mostly = {
+        .name           = "hash:net,iface",
+        .protocol       = IPSET_PROTOCOL,
+        .features       = IPSET_TYPE_IP | IPSET_TYPE_IFACE,
+        .dimension      = IPSET_DIM_TWO,
+        .family         = AF_UNSPEC,
+        .revision_min   = 0,
+        .create         = hash_netiface_create,
+        .create_policy  = {
+                [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
+                [IPSET_ATTR_MAXELEM]    = { .type = NLA_U32 },
+                [IPSET_ATTR_PROBES]     = { .type = NLA_U8 },
+                [IPSET_ATTR_RESIZE]     = { .type = NLA_U8  },
+                [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
+                [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
+        },
+        .adt_policy     = {
+                [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
+                [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
+                [IPSET_ATTR_IFACE]      = { .type = NLA_NUL_STRING,
+                                            .len = IPSET_MAXNAMELEN - 1 },
+                [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
+                [IPSET_ATTR_CIDR]       = { .type = NLA_U8 },
+                [IPSET_ATTR_TIMEOUT]    = { .type = NLA_U32 },
+                [IPSET_ATTR_LINENO]     = { .type = NLA_U32 },
+        },
+        .me             = THIS_MODULE,
+};
+
+static int __init
+hash_netiface_init(void)
+{
+        return ip_set_type_register(&hash_netiface_type);
+}
+
+static void __exit
+hash_netiface_fini(void)
+{
+        ip_set_type_unregister(&hash_netiface_type);
+}
+
+module_init(hash_netiface_init);
+module_exit(hash_netiface_fini);
diff --git a/net/netfilter/ipset/ip_set_hash_netport.c b/net/netfilter/ipset/ip_set_hash_netport.c
index d2a40362dd3a..fe203d12f56b 100644
--- a/net/netfilter/ipset/ip_set_hash_netport.c
+++ b/net/netfilter/ipset/ip_set_hash_netport.c
@@ -137,38 +137,48 @@ nla_put_failure:
 #define HOST_MASK       32
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_netport4_data_next(struct ip_set_hash *h,
+                        const struct hash_netport4_elem *d)
+{
+        h->next.ip = ntohl(d->ip);
+        h->next.port = ntohs(d->port);
+}
+
 static int
 hash_netport4_kadt(struct ip_set *set, const struct sk_buff *skb,
-                   enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                   const struct xt_action_param *par,
+                   enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_netport4_elem data = {
-                .cidr = h->nets[0].cidr || HOST_MASK };
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
 
         if (data.cidr == 0)
                 return -EINVAL;
         if (adt == IPSET_TEST)
                 data.cidr = HOST_MASK;
 
-        if (!ip_set_get_ip4_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip4_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip4addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip);
+        ip4addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip);
         data.ip &= ip_set_netmask(data.cidr);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
-                   enum ipset_adt adt, u32 *lineno, u32 flags)
+                   enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_netport4_elem data = { .cidr = HOST_MASK };
-        u32 port, port_to;
+        u32 port, port_to, p = 0, ip = 0, ip_to, last;
         u32 timeout = h->timeout;
         bool with_ports = false;
         int ret;
@@ -182,15 +192,15 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
         if (tb[IPSET_ATTR_LINENO])
                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
 
-        ret = ip_set_get_ipaddr4(tb[IPSET_ATTR_IP], &data.ip);
+        ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP], &ip);
         if (ret)
                 return ret;
 
-        if (tb[IPSET_ATTR_CIDR])
+        if (tb[IPSET_ATTR_CIDR]) {
                 data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
-        if (!data.cidr)
-                return -IPSET_ERR_INVALID_CIDR;
-        data.ip &= ip_set_netmask(data.cidr);
+                if (!data.cidr)
+                        return -IPSET_ERR_INVALID_CIDR;
+        }
 
         if (tb[IPSET_ATTR_PORT])
                 data.port = nla_get_be16(tb[IPSET_ATTR_PORT]);
@@ -215,24 +225,47 @@ hash_netport4_uadt(struct ip_set *set, struct nlattr *tb[],
                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
         }
 
-        if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-                ret = adtfn(set, &data, timeout);
+        with_ports = with_ports && tb[IPSET_ATTR_PORT_TO];
+        if (adt == IPSET_TEST || !(with_ports || tb[IPSET_ATTR_IP_TO])) {
+                data.ip = htonl(ip & ip_set_hostmask(data.cidr));
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
-        port = ntohs(data.port);
-        port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
-        if (port > port_to)
-                swap(port, port_to);
-
-        for (; port <= port_to; port++) {
-                data.port = htons(port);
-                ret = adtfn(set, &data, timeout);
-
-                if (ret && !ip_set_eexist(ret, flags))
+        port = port_to = ntohs(data.port);
+        if (tb[IPSET_ATTR_PORT_TO]) {
+                port_to = ip_set_get_h16(tb[IPSET_ATTR_PORT_TO]);
+                if (port_to < port)
+                        swap(port, port_to);
+        }
+        if (tb[IPSET_ATTR_IP_TO]) {
+                ret = ip_set_get_hostipaddr4(tb[IPSET_ATTR_IP_TO], &ip_to);
+                if (ret)
                         return ret;
-                else
-                        ret = 0;
+                if (ip_to < ip)
+                        swap(ip, ip_to);
+                if (ip + UINT_MAX == ip_to)
+                        return -IPSET_ERR_HASH_RANGE;
+        } else {
+                ip_set_mask_from_to(ip, ip_to, data.cidr);
+        }
+
+        if (retried)
+                ip = h->next.ip;
+        while (!after(ip, ip_to)) {
+                data.ip = htonl(ip);
+                last = ip_set_range_to_cidr(ip, ip_to, &data.cidr);
+                p = retried && ip == h->next.ip ? h->next.port : port;
+                for (; p <= port_to; p++) {
+                        data.port = htons(p);
+                        ret = adtfn(set, &data, timeout, flags);
+
+                        if (ret && !ip_set_eexist(ret, flags))
+                                return ret;
+                        else
+                                ret = 0;
+                }
+                ip = last + 1;
         }
         return ret;
 }
@@ -350,33 +383,42 @@ nla_put_failure:
 #define HOST_MASK       128
 #include <linux/netfilter/ipset/ip_set_ahash.h>
 
+static inline void
+hash_netport6_data_next(struct ip_set_hash *h,
+                        const struct hash_netport6_elem *d)
+{
+        h->next.port = ntohs(d->port);
+}
+
 static int
 hash_netport6_kadt(struct ip_set *set, const struct sk_buff *skb,
-                   enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+                   const struct xt_action_param *par,
+                   enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
         struct hash_netport6_elem data = {
-                .cidr = h->nets[0].cidr || HOST_MASK };
+                .cidr = h->nets[0].cidr ? h->nets[0].cidr : HOST_MASK
+        };
 
         if (data.cidr == 0)
                 return -EINVAL;
         if (adt == IPSET_TEST)
                 data.cidr = HOST_MASK;
 
-        if (!ip_set_get_ip6_port(skb, flags & IPSET_DIM_TWO_SRC,
+        if (!ip_set_get_ip6_port(skb, opt->flags & IPSET_DIM_TWO_SRC,
                                  &data.port, &data.proto))
                 return -EINVAL;
 
-        ip6addrptr(skb, flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
+        ip6addrptr(skb, opt->flags & IPSET_DIM_ONE_SRC, &data.ip.in6);
         ip6_netmask(&data.ip, data.cidr);
 
-        return adtfn(set, &data, h->timeout);
+        return adtfn(set, &data, opt_timeout(opt, h), opt->cmdflags);
 }
 
 static int
 hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
-                   enum ipset_adt adt, u32 *lineno, u32 flags)
+                   enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         const struct ip_set_hash *h = set->data;
         ipset_adtfn adtfn = set->variant->adt[adt];
@@ -391,6 +433,8 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
                      !ip_set_optattr_netorder(tb, IPSET_ATTR_PORT_TO) ||
                      !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
                 return -IPSET_ERR_PROTOCOL;
+        if (unlikely(tb[IPSET_ATTR_IP_TO]))
+                return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
 
         if (tb[IPSET_ATTR_LINENO])
                 *lineno = nla_get_u32(tb[IPSET_ATTR_LINENO]);
@@ -429,7 +473,7 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
         }
 
         if (adt == IPSET_TEST || !with_ports || !tb[IPSET_ATTR_PORT_TO]) {
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
                 return ip_set_eexist(ret, flags) ? 0 : ret;
         }
 
@@ -438,9 +482,11 @@ hash_netport6_uadt(struct ip_set *set, struct nlattr *tb[],
         if (port > port_to)
                 swap(port, port_to);
 
+        if (retried)
+                port = h->next.port;
         for (; port <= port_to; port++) {
                 data.port = htons(port);
-                ret = adtfn(set, &data, timeout);
+                ret = adtfn(set, &data, timeout, flags);
 
                 if (ret && !ip_set_eexist(ret, flags))
                         return ret;
@@ -526,7 +572,9 @@ static struct ip_set_type hash_netport_type __read_mostly = {
         .features       = IPSET_TYPE_IP | IPSET_TYPE_PORT,
         .dimension      = IPSET_DIM_TWO,
         .family         = AF_UNSPEC,
-        .revision       = 1,
+        .revision_min   = 0,
+        /*                1        SCTP and UDPLITE support added */
+        .revision_max   = 2,    /* Range as input support for IPv4 added */
         .create         = hash_netport_create,
         .create_policy  = {
                 [IPSET_ATTR_HASHSIZE]   = { .type = NLA_U32 },
@@ -538,6 +586,7 @@ static struct ip_set_type hash_netport_type __read_mostly = {
         },
         .adt_policy     = {
                 [IPSET_ATTR_IP]         = { .type = NLA_NESTED },
+                [IPSET_ATTR_IP_TO]      = { .type = NLA_NESTED },
                 [IPSET_ATTR_PORT]       = { .type = NLA_U16 },
                 [IPSET_ATTR_PORT_TO]    = { .type = NLA_U16 },
                 [IPSET_ATTR_PROTO]      = { .type = NLA_U8 },
diff --git a/net/netfilter/ipset/ip_set_list_set.c b/net/netfilter/ipset/ip_set_list_set.c
index e9159e99fc4b..4d10819d462e 100644
--- a/net/netfilter/ipset/ip_set_list_set.c
+++ b/net/netfilter/ipset/ip_set_list_set.c
@@ -72,7 +72,8 @@ list_set_expired(const struct list_set *map, u32 id)
 
 static int
 list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
-              enum ipset_adt adt, u8 pf, u8 dim, u8 flags)
+              const struct xt_action_param *par,
+              enum ipset_adt adt, const struct ip_set_adt_opt *opt)
 {
         struct list_set *map = set->data;
         struct set_elem *elem;
@@ -87,17 +88,17 @@ list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
                         continue;
                 switch (adt) {
                 case IPSET_TEST:
-                        ret = ip_set_test(elem->id, skb, pf, dim, flags);
+                        ret = ip_set_test(elem->id, skb, par, opt);
                         if (ret > 0)
                                 return ret;
                         break;
                 case IPSET_ADD:
-                        ret = ip_set_add(elem->id, skb, pf, dim, flags);
+                        ret = ip_set_add(elem->id, skb, par, opt);
                         if (ret == 0)
                                 return ret;
                         break;
                 case IPSET_DEL:
-                        ret = ip_set_del(elem->id, skb, pf, dim, flags);
+                        ret = ip_set_del(elem->id, skb, par, opt);
                         if (ret == 0)
                                 return ret;
                         break;
@@ -109,15 +110,28 @@ list_set_kadt(struct ip_set *set, const struct sk_buff *skb,
 }
 
 static bool
-next_id_eq(const struct list_set *map, u32 i, ip_set_id_t id)
+id_eq(const struct list_set *map, u32 i, ip_set_id_t id)
 {
         const struct set_elem *elem;
 
-        if (i + 1 < map->size) {
-                elem = list_set_elem(map, i + 1);
+        if (i < map->size) {
+                elem = list_set_elem(map, i);
+                return elem->id == id;
+        }
+
+        return 0;
+}
+
+static bool
+id_eq_timeout(const struct list_set *map, u32 i, ip_set_id_t id)
+{
+        const struct set_elem *elem;
+
+        if (i < map->size) {
+                elem = list_set_elem(map, i);
                 return !!(elem->id == id &&
                           !(with_timeout(map->timeout) &&
-                            list_set_expired(map, i + 1)));
+                            list_set_expired(map, i)));
         }
 
         return 0;
@@ -190,12 +204,26 @@ list_set_del(struct list_set *map, u32 i)
         return 0;
 }
 
+static void
+cleanup_entries(struct list_set *map)
+{
+        struct set_telem *e;
+        u32 i;
+
+        for (i = 0; i < map->size; i++) {
+                e = list_set_telem(map, i);
+                if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
+                        list_set_del(map, i);
+        }
+}
+
 static int
 list_set_uadt(struct ip_set *set, struct nlattr *tb[],
-              enum ipset_adt adt, u32 *lineno, u32 flags)
+              enum ipset_adt adt, u32 *lineno, u32 flags, bool retried)
 {
         struct list_set *map = set->data;
         bool with_timeout = with_timeout(map->timeout);
+        bool flag_exist = flags & IPSET_FLAG_EXIST;
         int before = 0;
         u32 timeout = map->timeout;
         ip_set_id_t id, refid = IPSET_INVALID_ID;
@@ -248,6 +276,8 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                 }
                 timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
         }
+        if (with_timeout && adt != IPSET_TEST)
+                cleanup_entries(map);
 
         switch (adt) {
         case IPSET_TEST:
@@ -259,22 +289,37 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                         else if (with_timeout && list_set_expired(map, i))
                                 continue;
                         else if (before > 0 && elem->id == id)
-                                ret = next_id_eq(map, i, refid);
+                                ret = id_eq_timeout(map, i + 1, refid);
                         else if (before < 0 && elem->id == refid)
-                                ret = next_id_eq(map, i, id);
+                                ret = id_eq_timeout(map, i + 1, id);
                         else if (before == 0 && elem->id == id)
                                 ret = 1;
                 }
                 break;
         case IPSET_ADD:
-                for (i = 0; i < map->size && !ret; i++) {
+                for (i = 0; i < map->size; i++) {
                         elem = list_set_elem(map, i);
-                        if (elem->id == id &&
-                            !(with_timeout && list_set_expired(map, i)))
+                        if (elem->id != id)
+                                continue;
+                        if (!(with_timeout && flag_exist)) {
                                 ret = -IPSET_ERR_EXIST;
+                                goto finish;
+                        } else {
+                                struct set_telem *e = list_set_telem(map, i);
+
+                                if ((before > 1 &&
+                                     !id_eq(map, i + 1, refid)) ||
+                                    (before < 0 &&
+                                     (i == 0 || !id_eq(map, i - 1, refid)))) {
+                                        ret = -IPSET_ERR_EXIST;
+                                        goto finish;
+                                }
+                                e->timeout = ip_set_timeout_set(timeout);
+                                ip_set_put_byindex(id);
+                                ret = 0;
+                                goto finish;
+                        }
                 }
-                if (ret == -IPSET_ERR_EXIST)
-                        break;
                 ret = -IPSET_ERR_LIST_FULL;
                 for (i = 0; i < map->size && ret == -IPSET_ERR_LIST_FULL; i++) {
                         elem = list_set_elem(map, i);
@@ -283,9 +328,7 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                                         : list_set_add(map, i, id, timeout);
                         else if (elem->id != refid)
                                 continue;
-                        else if (with_timeout && list_set_expired(map, i))
-                                ret = -IPSET_ERR_REF_EXIST;
-                        else if (before)
+                        else if (before > 0)
                                 ret = list_set_add(map, i, id, timeout);
                         else if (i + 1 < map->size)
                                 ret = list_set_add(map, i + 1, id, timeout);
@@ -299,16 +342,12 @@ list_set_uadt(struct ip_set *set, struct nlattr *tb[],
                                 ret = before != 0 ? -IPSET_ERR_REF_EXIST
                                                   : -IPSET_ERR_EXIST;
                                 break;
-                        } else if (with_timeout && list_set_expired(map, i))
-                                continue;
-                        else if (elem->id == id &&
-                                 (before == 0 ||
-                                  (before > 0 &&
-                                   next_id_eq(map, i, refid))))
+                        } else if (elem->id == id &&
+                                   (before == 0 ||
+                                    (before > 0 && id_eq(map, i + 1, refid))))
                                 ret = list_set_del(map, i);
-                        else if (before < 0 &&
-                                 elem->id == refid &&
-                                 next_id_eq(map, i, id))
+                        else if (elem->id == refid &&
+                                 before < 0 && id_eq(map, i + 1, id))
                                 ret = list_set_del(map, i + 1);
                 }
                 break;
@@ -454,15 +493,9 @@ list_set_gc(unsigned long ul_set)
 {
         struct ip_set *set = (struct ip_set *) ul_set;
         struct list_set *map = set->data;
-        struct set_telem *e;
-        u32 i;
 
         write_lock_bh(&set->lock);
-        for (i = 0; i < map->size; i++) {
-                e = list_set_telem(map, i);
-                if (e->id != IPSET_INVALID_ID && list_set_expired(map, i))
-                        list_set_del(map, i);
-        }
+        cleanup_entries(map);
         write_unlock_bh(&set->lock);
 
         map->gc.expires = jiffies + IPSET_GC_PERIOD(map->timeout) * HZ;
@@ -543,7 +576,8 @@ static struct ip_set_type list_set_type __read_mostly = {
         .features       = IPSET_TYPE_NAME | IPSET_DUMP_LAST,
         .dimension      = IPSET_DIM_ONE,
         .family         = AF_UNSPEC,
-        .revision       = 0,
+        .revision_min   = 0,
+        .revision_max   = 0,
         .create         = list_set_create,
         .create_policy  = {
                 [IPSET_ATTR_SIZE]       = { .type = NLA_U32 },
diff --git a/net/netfilter/ipset/pfxlen.c b/net/netfilter/ipset/pfxlen.c
index 23f8c8162214..bd13d66220f1 100644
--- a/net/netfilter/ipset/pfxlen.c
+++ b/net/netfilter/ipset/pfxlen.c
@@ -148,7 +148,7 @@ const union nf_inet_addr ip_set_netmask_map[] = {
 EXPORT_SYMBOL_GPL(ip_set_netmask_map);
 
 #undef  E
-#define E(a, b, c, d)                                           \
+#define E(a, b, c, d)                                           \
         {.ip6 = { (__force __be32) a, (__force __be32) b,       \
                   (__force __be32) c, (__force __be32) d,       \
         } }
@@ -289,3 +289,24 @@ const union nf_inet_addr ip_set_hostmask_map[] = {
         E(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF),
 };
 EXPORT_SYMBOL_GPL(ip_set_hostmask_map);
+
+/* Find the largest network which matches the range from left, in host order. */
+u32
+ip_set_range_to_cidr(u32 from, u32 to, u8 *cidr)
+{
+        u32 last;
+        u8 i;
+
+        for (i = 1; i < 32; i++) {
+                if ((from & ip_set_hostmask(i)) != from)
+                        continue;
+                last = from | ~ip_set_hostmask(i);
+                if (!after(last, to)) {
+                        *cidr = i;
+                        return last;
+                }
+        }
+        *cidr = 32;
+        return from;
+}
+EXPORT_SYMBOL_GPL(ip_set_range_to_cidr);
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index 059af3120be7..fe6cb4304d72 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -576,7 +576,7 @@ static const struct file_operations ip_vs_app_fops = {
 };
 #endif
 
-int __net_init __ip_vs_app_init(struct net *net)
+int __net_init ip_vs_app_net_init(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -585,17 +585,7 @@ int __net_init __ip_vs_app_init(struct net *net)
         return 0;
 }
 
-void __net_exit __ip_vs_app_cleanup(struct net *net)
+void __net_exit ip_vs_app_net_cleanup(struct net *net)
 {
         proc_net_remove(net, "ip_vs_app");
 }
-
-int __init ip_vs_app_init(void)
-{
-        return 0;
-}
-
-
-void ip_vs_app_cleanup(void)
-{
-}
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index bf28ac2fc99b..12571fb2881c 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -776,8 +776,16 @@ static void ip_vs_conn_expire(unsigned long data)
                 if (cp->control)
                         ip_vs_control_del(cp);
 
-                if (cp->flags & IP_VS_CONN_F_NFCT)
+                if (cp->flags & IP_VS_CONN_F_NFCT) {
                         ip_vs_conn_drop_conntrack(cp);
+                        /* Do not access conntracks during subsys cleanup
+                         * because nf_conntrack_find_get can not be used after
+                         * conntrack cleanup for the net.
+                         */
+                        smp_rmb();
+                        if (ipvs->enable)
+                                ip_vs_conn_drop_conntrack(cp);
+                }
 
                 ip_vs_pe_put(cp->pe);
                 kfree(cp->pe_data);
@@ -1247,7 +1255,7 @@ flush_again:
 /*
  * per netns init and exit
  */
-int __net_init __ip_vs_conn_init(struct net *net)
+int __net_init ip_vs_conn_net_init(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -1258,7 +1266,7 @@ int __net_init __ip_vs_conn_init(struct net *net)
         return 0;
 }
 
-void __net_exit __ip_vs_conn_cleanup(struct net *net)
+void __net_exit ip_vs_conn_net_cleanup(struct net *net)
 {
         /* flush all the connection entries first */
         ip_vs_conn_flush(net);
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index bfa808f4da13..4f77bb16d22a 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -852,7 +852,7 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
         *related = 1;
 
         /* reassemble IP fragments */
-        if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+        if (ip_is_fragment(ip_hdr(skb))) {
                 if (ip_vs_gather_frags(skb, ip_vs_defrag_user(hooknum)))
                         return NF_STOLEN;
         }
@@ -1156,8 +1156,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
                 ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
         } else
 #endif
-                if (unlikely(ip_hdr(skb)->frag_off & htons(IP_MF|IP_OFFSET) &&
-                             !pp->dont_defrag)) {
+                if (unlikely(ip_is_fragment(ip_hdr(skb)) && !pp->dont_defrag)) {
                         if (ip_vs_gather_frags(skb,
                                                ip_vs_defrag_user(hooknum)))
                                 return NF_STOLEN;
@@ -1310,7 +1309,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
         *related = 1;
 
         /* reassemble IP fragments */
-        if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
+        if (ip_is_fragment(ip_hdr(skb))) {
                 if (ip_vs_gather_frags(skb, ip_vs_defrag_user(hooknum)))
                         return NF_STOLEN;
         }
@@ -1384,7 +1383,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
                 offset += 2 * sizeof(__u16);
         verdict = ip_vs_icmp_xmit(skb, cp, pp, offset, hooknum);
 
-  out:
+out:
         __ip_vs_conn_put(cp);
 
         return verdict;
@@ -1772,7 +1771,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET,
                 .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 99,
+                .priority       = NF_IP_PRI_NAT_SRC - 2,
         },
         /* After packet filtering, forward packet through VS/DR, VS/TUN,
          * or VS/NAT(change destination), so that filtering rules can be
@@ -1782,7 +1781,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET,
                 .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 101,
+                .priority       = NF_IP_PRI_NAT_SRC - 1,
         },
         /* Before ip_vs_in, change source only for VS/NAT */
         {
@@ -1790,7 +1789,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET,
                 .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -99,
+                .priority       = NF_IP_PRI_NAT_DST + 1,
         },
         /* After mangle, schedule and forward local requests */
         {
@@ -1798,7 +1797,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET,
                 .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -98,
+                .priority       = NF_IP_PRI_NAT_DST + 2,
         },
         /* After packet filtering (but before ip_vs_out_icmp), catch icmp
          * destined for 0.0.0.0/0, which is for incoming IPVS connections */
@@ -1824,7 +1823,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 99,
+                .priority       = NF_IP6_PRI_NAT_SRC - 2,
         },
         /* After packet filtering, forward packet through VS/DR, VS/TUN,
          * or VS/NAT(change destination), so that filtering rules can be
@@ -1834,7 +1833,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_LOCAL_IN,
-                .priority       = 101,
+                .priority       = NF_IP6_PRI_NAT_SRC - 1,
         },
         /* Before ip_vs_in, change source only for VS/NAT */
         {
@@ -1842,7 +1841,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET,
                 .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -99,
+                .priority       = NF_IP6_PRI_NAT_DST + 1,
         },
         /* After mangle, schedule and forward local requests */
         {
@@ -1850,7 +1849,7 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
                 .owner          = THIS_MODULE,
                 .pf             = PF_INET6,
                 .hooknum        = NF_INET_LOCAL_OUT,
-                .priority       = -98,
+                .priority       = NF_IP6_PRI_NAT_DST + 2,
         },
         /* After packet filtering (but before ip_vs_out_icmp), catch icmp
          * destined for 0.0.0.0/0, which is for incoming IPVS connections */
@@ -1891,22 +1890,22 @@ static int __net_init __ip_vs_init(struct net *net)
         atomic_inc(&ipvs_netns_cnt);
         net->ipvs = ipvs;
 
-        if (__ip_vs_estimator_init(net) < 0)
+        if (ip_vs_estimator_net_init(net) < 0)
                 goto estimator_fail;
 
-        if (__ip_vs_control_init(net) < 0)
+        if (ip_vs_control_net_init(net) < 0)
                 goto control_fail;
 
-        if (__ip_vs_protocol_init(net) < 0)
+        if (ip_vs_protocol_net_init(net) < 0)
                 goto protocol_fail;
 
-        if (__ip_vs_app_init(net) < 0)
+        if (ip_vs_app_net_init(net) < 0)
                 goto app_fail;
 
-        if (__ip_vs_conn_init(net) < 0)
+        if (ip_vs_conn_net_init(net) < 0)
                 goto conn_fail;
 
-        if (__ip_vs_sync_init(net) < 0)
+        if (ip_vs_sync_net_init(net) < 0)
                 goto sync_fail;
 
         printk(KERN_INFO "IPVS: Creating netns size=%zu id=%d\n",
@@ -1917,27 +1916,27 @@ static int __net_init __ip_vs_init(struct net *net)
  */
 
 sync_fail:
-        __ip_vs_conn_cleanup(net);
+        ip_vs_conn_net_cleanup(net);
 conn_fail:
-        __ip_vs_app_cleanup(net);
+        ip_vs_app_net_cleanup(net);
 app_fail:
-        __ip_vs_protocol_cleanup(net);
+        ip_vs_protocol_net_cleanup(net);
 protocol_fail:
-        __ip_vs_control_cleanup(net);
+        ip_vs_control_net_cleanup(net);
 control_fail:
-        __ip_vs_estimator_cleanup(net);
+        ip_vs_estimator_net_cleanup(net);
 estimator_fail:
         return -ENOMEM;
 }
 
 static void __net_exit __ip_vs_cleanup(struct net *net)
 {
-        __ip_vs_service_cleanup(net);   /* ip_vs_flush() with locks */
-        __ip_vs_conn_cleanup(net);
-        __ip_vs_app_cleanup(net);
-        __ip_vs_protocol_cleanup(net);
-        __ip_vs_control_cleanup(net);
-        __ip_vs_estimator_cleanup(net);
+        ip_vs_service_net_cleanup(net); /* ip_vs_flush() with locks */
+        ip_vs_conn_net_cleanup(net);
+        ip_vs_app_net_cleanup(net);
+        ip_vs_protocol_net_cleanup(net);
+        ip_vs_control_net_cleanup(net);
+        ip_vs_estimator_net_cleanup(net);
         IP_VS_DBG(2, "ipvs netns %d released\n", net_ipvs(net)->gen);
 }
 
@@ -1945,7 +1944,8 @@ static void __net_exit __ip_vs_dev_cleanup(struct net *net)
 {
         EnterFunction(2);
         net_ipvs(net)->enable = 0;      /* Disable packet reception */
-        __ip_vs_sync_cleanup(net);
+        smp_wmb();
+        ip_vs_sync_net_cleanup(net);
         LeaveFunction(2);
 }
 
@@ -1967,36 +1967,23 @@ static int __init ip_vs_init(void)
 {
         int ret;
 
-        ip_vs_estimator_init();
         ret = ip_vs_control_init();
         if (ret < 0) {
                 pr_err("can't setup control.\n");
-                goto cleanup_estimator;
+                goto exit;
         }
 
         ip_vs_protocol_init();
 
-        ret = ip_vs_app_init();
-        if (ret < 0) {
-                pr_err("can't setup application helper.\n");
-                goto cleanup_protocol;
-        }
-
         ret = ip_vs_conn_init();
         if (ret < 0) {
                 pr_err("can't setup connection table.\n");
-                goto cleanup_app;
-        }
-
-        ret = ip_vs_sync_init();
-        if (ret < 0) {
-                pr_err("can't setup sync data.\n");
-                goto cleanup_conn;
+                goto cleanup_protocol;
         }
 
         ret = register_pernet_subsys(&ipvs_core_ops);   /* Alloc ip_vs struct */
         if (ret < 0)
-                goto cleanup_sync;
+                goto cleanup_conn;
 
         ret = register_pernet_device(&ipvs_core_dev_ops);
         if (ret < 0)
@@ -2016,17 +2003,12 @@ cleanup_dev:
         unregister_pernet_device(&ipvs_core_dev_ops);
 cleanup_sub:
         unregister_pernet_subsys(&ipvs_core_ops);
-cleanup_sync:
-        ip_vs_sync_cleanup();
-  cleanup_conn:
+cleanup_conn:
         ip_vs_conn_cleanup();
-  cleanup_app:
-        ip_vs_app_cleanup();
-  cleanup_protocol:
+cleanup_protocol:
         ip_vs_protocol_cleanup();
         ip_vs_control_cleanup();
-  cleanup_estimator:
-        ip_vs_estimator_cleanup();
+exit:
         return ret;
 }
 
@@ -2035,12 +2017,9 @@ static void __exit ip_vs_cleanup(void)
         nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
         unregister_pernet_device(&ipvs_core_dev_ops);
         unregister_pernet_subsys(&ipvs_core_ops);       /* free ip_vs struct */
-        ip_vs_sync_cleanup();
         ip_vs_conn_cleanup();
-        ip_vs_app_cleanup();
         ip_vs_protocol_cleanup();
         ip_vs_control_cleanup();
-        ip_vs_estimator_cleanup();
         pr_info("ipvs unloaded.\n");
 }
 
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 699c79a55657..be43fd805bd0 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1334,9 +1334,9 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u)
                 ip_vs_bind_pe(svc, pe);
         }
 
-  out_unlock:
+out_unlock:
         write_unlock_bh(&__ip_vs_svc_lock);
-  out:
+out:
         ip_vs_scheduler_put(old_sched);
         ip_vs_pe_put(old_pe);
         return ret;
@@ -1483,7 +1483,7 @@ static int ip_vs_flush(struct net *net)
  *      Delete service by {netns} in the service table.
  *      Called by __ip_vs_cleanup()
  */
-void __ip_vs_service_cleanup(struct net *net)
+void ip_vs_service_net_cleanup(struct net *net)
 {
         EnterFunction(2);
         /* Check for "full" addressed entries */
@@ -1662,7 +1662,7 @@ proc_do_sync_mode(ctl_table *table, int write,
 /*
  *      IPVS sysctl table (under the /proc/sys/net/ipv4/vs/)
  *      Do not change order or insert new entries without
- *      align with netns init in __ip_vs_control_init()
+ *      align with netns init in ip_vs_control_net_init()
  */
 
 static struct ctl_table vs_vars[] = {
@@ -2469,7 +2469,7 @@ __ip_vs_get_service_entries(struct net *net,
                         count++;
                 }
         }
-  out:
+out:
         return ret;
 }
 
@@ -2707,7 +2707,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
                 ret = -EINVAL;
         }
 
-  out:
+out:
         mutex_unlock(&__ip_vs_mutex);
         return ret;
 }
@@ -3595,7 +3595,7 @@ static void ip_vs_genl_unregister(void)
  * per netns intit/exit func.
  */
 #ifdef CONFIG_SYSCTL
-int __net_init __ip_vs_control_init_sysctl(struct net *net)
+int __net_init ip_vs_control_net_init_sysctl(struct net *net)
 {
         int idx;
         struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3654,7 +3654,7 @@ int __net_init __ip_vs_control_init_sysctl(struct net *net)
         return 0;
 }
 
-void __net_init __ip_vs_control_cleanup_sysctl(struct net *net)
+void __net_init ip_vs_control_net_cleanup_sysctl(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -3665,8 +3665,8 @@ void __net_init __ip_vs_control_cleanup_sysctl(struct net *net)
 
 #else
 
-int __net_init __ip_vs_control_init_sysctl(struct net *net) { return 0; }
-void __net_init __ip_vs_control_cleanup_sysctl(struct net *net) { }
+int __net_init ip_vs_control_net_init_sysctl(struct net *net) { return 0; }
+void __net_init ip_vs_control_net_cleanup_sysctl(struct net *net) { }
 
 #endif
 
@@ -3674,7 +3674,7 @@ static struct notifier_block ip_vs_dst_notifier = {
         .notifier_call = ip_vs_dst_event,
 };
 
-int __net_init __ip_vs_control_init(struct net *net)
+int __net_init ip_vs_control_net_init(struct net *net)
 {
         int idx;
         struct netns_ipvs *ipvs = net_ipvs(net);
@@ -3702,7 +3702,7 @@ int __net_init __ip_vs_control_init(struct net *net)
         proc_net_fops_create(net, "ip_vs_stats_percpu", 0,
                              &ip_vs_stats_percpu_fops);
 
-        if (__ip_vs_control_init_sysctl(net))
+        if (ip_vs_control_net_init_sysctl(net))
                 goto err;
 
         return 0;
@@ -3712,13 +3712,13 @@ err:
         return -ENOMEM;
 }
 
-void __net_exit __ip_vs_control_cleanup(struct net *net)
+void __net_exit ip_vs_control_net_cleanup(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
         ip_vs_trash_cleanup(net);
         ip_vs_stop_estimator(net, &ipvs->tot_stats);
-        __ip_vs_control_cleanup_sysctl(net);
+        ip_vs_control_net_cleanup_sysctl(net);
         proc_net_remove(net, "ip_vs_stats_percpu");
         proc_net_remove(net, "ip_vs_stats");
         proc_net_remove(net, "ip_vs");
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index 508cce98777c..0fac6017b6fb 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -192,7 +192,7 @@ void ip_vs_read_estimator(struct ip_vs_stats_user *dst,
         dst->outbps = (e->outbps + 0xF) >> 5;
 }
 
-int __net_init __ip_vs_estimator_init(struct net *net)
+int __net_init ip_vs_estimator_net_init(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -203,16 +203,7 @@ int __net_init __ip_vs_estimator_init(struct net *net)
         return 0;
 }
 
-void __net_exit __ip_vs_estimator_cleanup(struct net *net)
+void __net_exit ip_vs_estimator_net_cleanup(struct net *net)
 {
         del_timer_sync(&net_ipvs(net)->est_timer);
 }
-
-int __init ip_vs_estimator_init(void)
-{
-        return 0;
-}
-
-void ip_vs_estimator_cleanup(void)
-{
-}
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index af63553fa332..4490a32ad5b2 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -44,8 +44,8 @@
 #include <net/ip_vs.h>
 
 
-#define SERVER_STRING "227 Entering Passive Mode ("
-#define CLIENT_STRING "PORT "
+#define SERVER_STRING "227 "
+#define CLIENT_STRING "PORT"
 
 
 /*
@@ -79,14 +79,17 @@ ip_vs_ftp_done_conn(struct ip_vs_app *app, struct ip_vs_conn *cp)
 
 /*
  * Get <addr,port> from the string "xxx.xxx.xxx.xxx,ppp,ppp", started
- * with the "pattern" and terminated with the "term" character.
+ * with the "pattern", ignoring before "skip" and terminated with
+ * the "term" character.
  * <addr,port> is in network order.
  */
 static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
-                                  const char *pattern, size_t plen, char term,
+                                  const char *pattern, size_t plen,
+                                  char skip, char term,
                                   __be32 *addr, __be16 *port,
                                   char **start, char **end)
 {
+        char *s, c;
         unsigned char p[6];
         int i = 0;
 
@@ -101,19 +104,38 @@ static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
         if (strnicmp(data, pattern, plen) != 0) {
                 return 0;
         }
-        *start = data + plen;
+        s = data + plen;
+        if (skip) {
+                int found = 0;
+
+                for (;; s++) {
+                        if (s == data_limit)
+                                return -1;
+                        if (!found) {
+                                if (*s == skip)
+                                        found = 1;
+                        } else if (*s != skip) {
+                                break;
+                        }
+                }
+        }
 
-        for (data = *start; *data != term; data++) {
+        for (data = s; ; data++) {
                 if (data == data_limit)
                         return -1;
+                if (*data == term)
+                        break;
         }
         *end = data;
 
         memset(p, 0, sizeof(p));
-        for (data = *start; data != *end; data++) {
-                if (*data >= '0' && *data <= '9') {
-                        p[i] = p[i]*10 + *data - '0';
-                } else if (*data == ',' && i < 5) {
+        for (data = s; ; data++) {
+                c = *data;
+                if (c == term)
+                        break;
+                if (c >= '0' && c <= '9') {
+                        p[i] = p[i]*10 + c - '0';
+                } else if (c == ',' && i < 5) {
                         i++;
                 } else {
                         /* unexpected character */
@@ -124,8 +146,9 @@ static int ip_vs_ftp_get_addrport(char *data, char *data_limit,
         if (i != 5)
                 return -1;
 
-        *addr = get_unaligned((__be32 *)p);
-        *port = get_unaligned((__be16 *)(p + 4));
+        *start = s;
+        *addr = get_unaligned((__be32 *) p);
+        *port = get_unaligned((__be16 *) (p + 4));
         return 1;
 }
 
@@ -185,7 +208,8 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 
                 if (ip_vs_ftp_get_addrport(data, data_limit,
                                            SERVER_STRING,
-                                           sizeof(SERVER_STRING)-1, ')',
+                                           sizeof(SERVER_STRING)-1,
+                                           '(', ')',
                                            &from.ip, &port,
                                            &start, &end) != 1)
                         return 1;
@@ -345,7 +369,7 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
          */
         if (ip_vs_ftp_get_addrport(data_start, data_limit,
                                    CLIENT_STRING, sizeof(CLIENT_STRING)-1,
-                                   '\r', &to.ip, &port,
+                                   ' ', '\r', &to.ip, &port,
                                    &start, &end) != 1)
                 return 1;
 
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index eb86028536fc..52d073c105e9 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -316,7 +316,7 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
 /*
  * per network name-space init
  */
-int __net_init __ip_vs_protocol_init(struct net *net)
+int __net_init ip_vs_protocol_net_init(struct net *net)
 {
 #ifdef CONFIG_IP_VS_PROTO_TCP
         register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp);
@@ -336,7 +336,7 @@ int __net_init __ip_vs_protocol_init(struct net *net)
         return 0;
 }
 
-void __net_exit __ip_vs_protocol_cleanup(struct net *net)
+void __net_exit ip_vs_protocol_net_cleanup(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
         struct ip_vs_proto_data *pd;
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index e292e5bddc70..7ee7215b8ba0 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -1663,7 +1663,7 @@ int stop_sync_thread(struct net *net, int state)
 /*
  * Initialize data struct for each netns
  */
-int __net_init __ip_vs_sync_init(struct net *net)
+int __net_init ip_vs_sync_net_init(struct net *net)
 {
         struct netns_ipvs *ipvs = net_ipvs(net);
 
@@ -1677,7 +1677,7 @@ int __net_init __ip_vs_sync_init(struct net *net)
         return 0;
 }
 
-void __ip_vs_sync_cleanup(struct net *net)
+void ip_vs_sync_net_cleanup(struct net *net)
 {
         int retc;
 
@@ -1689,12 +1689,3 @@ void __ip_vs_sync_cleanup(struct net *net)
         if (retc && retc != -ESRCH)
                 pr_err("Failed to stop Backup Daemon\n");
 }
-
-int __init ip_vs_sync_init(void)
-{
-        return 0;
-}
-
-void ip_vs_sync_cleanup(void)
-{
-}
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 2e1c11f78419..f7af8b866017 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -850,7 +850,7 @@ resolve_normal_ct(struct net *net, struct nf_conn *tmpl,
 
         /* It exists; we have (non-exclusive) reference. */
         if (NF_CT_DIRECTION(h) == IP_CT_DIR_REPLY) {
-                *ctinfo = IP_CT_ESTABLISHED + IP_CT_IS_REPLY;
+                *ctinfo = IP_CT_ESTABLISHED_REPLY;
                 /* Please set reply bit if this packet OK */
                 *set_reply = 1;
         } else {
@@ -922,6 +922,9 @@ nf_conntrack_in(struct net *net, u_int8_t pf, unsigned int hooknum,
                         ret = -ret;
                         goto out;
                 }
+                /* ICMP[v6] protocol trackers may assign one conntrack. */
+                if (skb->nfct)
+                        goto out;
         }
 
         ct = resolve_normal_ct(net, tmpl, skb, dataoff, pf, protonum,
@@ -1143,7 +1146,7 @@ static void nf_conntrack_attach(struct sk_buff *nskb, struct sk_buff *skb)
         /* This ICMP is in reverse direction to the packet which caused it */
         ct = nf_ct_get(skb, &ctinfo);
         if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL)
-                ctinfo = IP_CT_RELATED + IP_CT_IS_REPLY;
+                ctinfo = IP_CT_RELATED_REPLY;
         else
                 ctinfo = IP_CT_RELATED;
 
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index e17cb7c7dd8f..6f5801eac999 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -368,7 +368,7 @@ static int help(struct sk_buff *skb,
 
         /* Until there's been traffic both ways, don't look in packets. */
         if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
+            ctinfo != IP_CT_ESTABLISHED_REPLY) {
                 pr_debug("ftp: Conntrackinfo = %u\n", ctinfo);
                 return NF_ACCEPT;
         }
diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index 18b2ce5c8ced..f03c2d4539f6 100644
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -571,10 +571,9 @@ static int h245_help(struct sk_buff *skb, unsigned int protoff,
         int ret;
 
         /* Until there's been traffic both ways, don't look in packets. */
-        if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
                 return NF_ACCEPT;
-        }
+
         pr_debug("nf_ct_h245: skblen = %u\n", skb->len);
 
         spin_lock_bh(&nf_h323_lock);
@@ -1125,10 +1124,9 @@ static int q931_help(struct sk_buff *skb, unsigned int protoff,
         int ret;
 
         /* Until there's been traffic both ways, don't look in packets. */
-        if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY) {
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
                 return NF_ACCEPT;
-        }
+
         pr_debug("nf_ct_q931: skblen = %u\n", skb->len);
 
         spin_lock_bh(&nf_h323_lock);
diff --git a/net/netfilter/nf_conntrack_irc.c b/net/netfilter/nf_conntrack_irc.c
index b394aa318776..4f9390b98697 100644
--- a/net/netfilter/nf_conntrack_irc.c
+++ b/net/netfilter/nf_conntrack_irc.c
@@ -125,8 +125,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
                 return NF_ACCEPT;
 
         /* Until there's been traffic both ways, don't look in packets. */
-        if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
                 return NF_ACCEPT;
 
         /* Not a full tcp header? */
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 482e90c61850..7dec88a1755b 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -970,7 +970,7 @@ ctnetlink_get_conntrack(struct sock *ctnl, struct sk_buff *skb,
 
         if (nlh->nlmsg_flags & NLM_F_DUMP)
                 return netlink_dump_start(ctnl, skb, nlh, ctnetlink_dump_table,
-                                          ctnetlink_done);
+                                          ctnetlink_done, 0);
 
         err = ctnetlink_parse_zone(cda[CTA_ZONE], &zone);
         if (err < 0)
@@ -1840,7 +1840,7 @@ ctnetlink_get_expect(struct sock *ctnl, struct sk_buff *skb,
         if (nlh->nlmsg_flags & NLM_F_DUMP) {
                 return netlink_dump_start(ctnl, skb, nlh,
                                           ctnetlink_exp_dump_table,
-                                          ctnetlink_exp_done);
+                                          ctnetlink_exp_done, 0);
         }
 
         err = ctnetlink_parse_zone(cda[CTA_EXPECT_ZONE], &zone);
diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c
index 088944824e13..2fd4565144de 100644
--- a/net/netfilter/nf_conntrack_pptp.c
+++ b/net/netfilter/nf_conntrack_pptp.c
@@ -519,8 +519,7 @@ conntrack_pptp_help(struct sk_buff *skb, unsigned int protoff,
         u_int16_t msg;
 
         /* don't do any tracking before tcp handshake complete */
-        if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
+        if (ctinfo != IP_CT_ESTABLISHED && ctinfo != IP_CT_ESTABLISHED_REPLY)
                 return NF_ACCEPT;
 
         nexthdr_off = protoff;
diff --git a/net/netfilter/nf_conntrack_sane.c b/net/netfilter/nf_conntrack_sane.c
index d9e27734b2a2..8501823b3f9b 100644
--- a/net/netfilter/nf_conntrack_sane.c
+++ b/net/netfilter/nf_conntrack_sane.c
@@ -78,7 +78,7 @@ static int help(struct sk_buff *skb,
         ct_sane_info = &nfct_help(ct)->help.ct_sane_info;
         /* Until there's been traffic both ways, don't look in packets. */
         if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED+IP_CT_IS_REPLY)
+            ctinfo != IP_CT_ESTABLISHED_REPLY)
                 return NF_ACCEPT;
 
         /* Not a full tcp header? */
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index cb5a28581782..93faf6a3a637 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -1423,7 +1423,7 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
         typeof(nf_nat_sip_seq_adjust_hook) nf_nat_sip_seq_adjust;
 
         if (ctinfo != IP_CT_ESTABLISHED &&
-            ctinfo != IP_CT_ESTABLISHED + IP_CT_IS_REPLY)
+            ctinfo != IP_CT_ESTABLISHED_REPLY)
                 return NF_ACCEPT;
 
         /* No Data ? */
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index e0ee010935e7..2e7ccbb43ddb 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -456,7 +456,8 @@ __build_packet_message(struct nfulnl_instance *inst,
         if (skb->mark)
                 NLA_PUT_BE32(inst->skb, NFULA_MARK, htonl(skb->mark));
 
-        if (indev && skb->dev) {
+        if (indev && skb->dev &&
+            skb->mac_header != skb->network_header) {
                 struct nfulnl_msg_packet_hw phw;
                 int len = dev_parse_header(skb, phw.hw_addr);
                 if (len > 0) {
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index b83123f12b42..fdd2fafe0a14 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -335,7 +335,8 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
         if (entskb->mark)
                 NLA_PUT_BE32(skb, NFQA_MARK, htonl(entskb->mark));
 
-        if (indev && entskb->dev) {
+        if (indev && entskb->dev &&
+            entskb->mac_header != entskb->network_header) {
                 struct nfqnl_msg_packet_hw phw;
                 int len = dev_parse_header(entskb, phw.hw_addr);
                 if (len) {
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index 782e51986a6f..0221d10de75a 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -5,7 +5,7 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 #include <linux/module.h>
 #include <linux/gfp.h>
 #include <linux/skbuff.h>
@@ -95,8 +95,11 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par)
         if (info->helper[0]) {
                 ret = -ENOENT;
                 proto = xt_ct_find_proto(par);
-                if (!proto)
+                if (!proto) {
+                        pr_info("You must specify a L4 protocol, "
+                                "and not use inversions on it.\n");
                         goto err3;
+                }
 
                 ret = -ENOMEM;
                 help = nf_ct_helper_ext_add(ct, GFP_KERNEL);
@@ -107,8 +110,10 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par)
                 help->helper = nf_conntrack_helper_try_module_get(info->helper,
                                                                   par->family,
                                                                   proto);
-                if (help->helper == NULL)
+                if (help->helper == NULL) {
+                        pr_info("No such helper \"%s\"\n", info->helper);
                         goto err3;
+                }
         }
 
         __set_bit(IPS_TEMPLATE_BIT, &ct->status);
diff --git a/net/netfilter/xt_HL.c b/net/netfilter/xt_HL.c
index 95b084800fcc..1535e87ed9bd 100644
--- a/net/netfilter/xt_HL.c
+++ b/net/netfilter/xt_HL.c
@@ -38,22 +38,22 @@ ttl_tg(struct sk_buff *skb, const struct xt_action_param *par)
         iph = ip_hdr(skb);
 
         switch (info->mode) {
-                case IPT_TTL_SET:
-                        new_ttl = info->ttl;
-                        break;
-                case IPT_TTL_INC:
-                        new_ttl = iph->ttl + info->ttl;
-                        if (new_ttl > 255)
-                                new_ttl = 255;
-                        break;
-                case IPT_TTL_DEC:
-                        new_ttl = iph->ttl - info->ttl;
-                        if (new_ttl < 0)
-                                new_ttl = 0;
-                        break;
-                default:
-                        new_ttl = iph->ttl;
-                        break;
+        case IPT_TTL_SET:
+                new_ttl = info->ttl;
+                break;
+        case IPT_TTL_INC:
+                new_ttl = iph->ttl + info->ttl;
+                if (new_ttl > 255)
+                        new_ttl = 255;
+                break;
+        case IPT_TTL_DEC:
+                new_ttl = iph->ttl - info->ttl;
+                if (new_ttl < 0)
+                        new_ttl = 0;
+                break;
+        default:
+                new_ttl = iph->ttl;
+                break;
         }
 
         if (new_ttl != iph->ttl) {
@@ -78,22 +78,22 @@ hl_tg6(struct sk_buff *skb, const struct xt_action_param *par)
         ip6h = ipv6_hdr(skb);
 
         switch (info->mode) {
-                case IP6T_HL_SET:
-                        new_hl = info->hop_limit;
-                        break;
-                case IP6T_HL_INC:
-                        new_hl = ip6h->hop_limit + info->hop_limit;
-                        if (new_hl > 255)
-                                new_hl = 255;
-                        break;
-                case IP6T_HL_DEC:
-                        new_hl = ip6h->hop_limit - info->hop_limit;
-                        if (new_hl < 0)
-                                new_hl = 0;
-                        break;
-                default:
-                        new_hl = ip6h->hop_limit;
-                        break;
+        case IP6T_HL_SET:
+                new_hl = info->hop_limit;
+                break;
+        case IP6T_HL_INC:
+                new_hl = ip6h->hop_limit + info->hop_limit;
+                if (new_hl > 255)
+                        new_hl = 255;
+                break;
+        case IP6T_HL_DEC:
+                new_hl = ip6h->hop_limit - info->hop_limit;
+                if (new_hl < 0)
+                        new_hl = 0;
+                break;
+        default:
+                new_hl = ip6h->hop_limit;
+                break;
         }
 
         ip6h->hop_limit = new_hl;
diff --git a/net/netfilter/xt_hl.c b/net/netfilter/xt_hl.c
index 7d12221ead89..003951149c9e 100644
--- a/net/netfilter/xt_hl.c
+++ b/net/netfilter/xt_hl.c
@@ -31,14 +31,14 @@ static bool ttl_mt(const struct sk_buff *skb, struct xt_action_param *par)
         const u8 ttl = ip_hdr(skb)->ttl;
 
         switch (info->mode) {
-                case IPT_TTL_EQ:
-                        return ttl == info->ttl;
-                case IPT_TTL_NE:
-                        return ttl != info->ttl;
-                case IPT_TTL_LT:
-                        return ttl < info->ttl;
-                case IPT_TTL_GT:
-                        return ttl > info->ttl;
+        case IPT_TTL_EQ:
+                return ttl == info->ttl;
+        case IPT_TTL_NE:
+                return ttl != info->ttl;
+        case IPT_TTL_LT:
+                return ttl < info->ttl;
+        case IPT_TTL_GT:
+                return ttl > info->ttl;
         }
 
         return false;
@@ -50,14 +50,14 @@ static bool hl_mt6(const struct sk_buff *skb, struct xt_action_param *par)
         const struct ipv6hdr *ip6h = ipv6_hdr(skb);
 
         switch (info->mode) {
-                case IP6T_HL_EQ:
-                        return ip6h->hop_limit == info->hop_limit;
-                case IP6T_HL_NE:
-                        return ip6h->hop_limit != info->hop_limit;
-                case IP6T_HL_LT:
-                        return ip6h->hop_limit < info->hop_limit;
-                case IP6T_HL_GT:
-                        return ip6h->hop_limit > info->hop_limit;
+        case IP6T_HL_EQ:
+                return ip6h->hop_limit == info->hop_limit;
+        case IP6T_HL_NE:
+                return ip6h->hop_limit != info->hop_limit;
+        case IP6T_HL_LT:
+                return ip6h->hop_limit < info->hop_limit;
+        case IP6T_HL_GT:
+                return ip6h->hop_limit > info->hop_limit;
         }
 
         return false;
diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c
index b3babaed7719..0ec8138aa470 100644
--- a/net/netfilter/xt_set.c
+++ b/net/netfilter/xt_set.c
@@ -13,7 +13,6 @@
 
 #include <linux/module.h>
 #include <linux/skbuff.h>
-#include <linux/version.h>
 
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/xt_set.h>
@@ -29,23 +28,33 @@ MODULE_ALIAS("ip6t_SET");
 
 static inline int
 match_set(ip_set_id_t index, const struct sk_buff *skb,
-          u8 pf, u8 dim, u8 flags, int inv)
+          const struct xt_action_param *par,
+          const struct ip_set_adt_opt *opt, int inv)
 {
-        if (ip_set_test(index, skb, pf, dim, flags))
+        if (ip_set_test(index, skb, par, opt))
                 inv = !inv;
         return inv;
 }
 
+#define ADT_OPT(n, f, d, fs, cfs, t)    \
+const struct ip_set_adt_opt n = {       \
+        .family = f,                    \
+        .dim = d,                       \
+        .flags = fs,                    \
+        .cmdflags = cfs,                \
+        .timeout = t,                   \
+}
+
 /* Revision 0 interface: backward compatible with netfilter/iptables */
 
 static bool
 set_match_v0(const struct sk_buff *skb, struct xt_action_param *par)
 {
         const struct xt_set_info_match_v0 *info = par->matchinfo;
+        ADT_OPT(opt, par->family, info->match_set.u.compat.dim,
+                info->match_set.u.compat.flags, 0, UINT_MAX);
 
-        return match_set(info->match_set.index, skb, par->family,
-                         info->match_set.u.compat.dim,
-                         info->match_set.u.compat.flags,
+        return match_set(info->match_set.index, skb, par, &opt,
                          info->match_set.u.compat.flags & IPSET_INV_MATCH);
 }
 
@@ -103,15 +112,15 @@ static unsigned int
 set_target_v0(struct sk_buff *skb, const struct xt_action_param *par)
 {
         const struct xt_set_info_target_v0 *info = par->targinfo;
+        ADT_OPT(add_opt, par->family, info->add_set.u.compat.dim,
+                info->add_set.u.compat.flags, 0, UINT_MAX);
+        ADT_OPT(del_opt, par->family, info->del_set.u.compat.dim,
+                info->del_set.u.compat.flags, 0, UINT_MAX);
 
         if (info->add_set.index != IPSET_INVALID_ID)
-                ip_set_add(info->add_set.index, skb, par->family,
-                           info->add_set.u.compat.dim,
-                           info->add_set.u.compat.flags);
+                ip_set_add(info->add_set.index, skb, par, &add_opt);
         if (info->del_set.index != IPSET_INVALID_ID)
-                ip_set_del(info->del_set.index, skb, par->family,
-                           info->del_set.u.compat.dim,
-                           info->del_set.u.compat.flags);
+                ip_set_del(info->del_set.index, skb, par, &del_opt);
 
         return XT_CONTINUE;
 }
@@ -170,23 +179,23 @@ set_target_v0_destroy(const struct xt_tgdtor_param *par)
                 ip_set_nfnl_put(info->del_set.index);
 }
 
-/* Revision 1: current interface to netfilter/iptables */
+/* Revision 1 match and target */
 
 static bool
-set_match(const struct sk_buff *skb, struct xt_action_param *par)
+set_match_v1(const struct sk_buff *skb, struct xt_action_param *par)
 {
-        const struct xt_set_info_match *info = par->matchinfo;
+        const struct xt_set_info_match_v1 *info = par->matchinfo;
+        ADT_OPT(opt, par->family, info->match_set.dim,
+                info->match_set.flags, 0, UINT_MAX);
 
-        return match_set(info->match_set.index, skb, par->family,
-                         info->match_set.dim,
-                         info->match_set.flags,
+        return match_set(info->match_set.index, skb, par, &opt,
                          info->match_set.flags & IPSET_INV_MATCH);
 }
 
 static int
-set_match_checkentry(const struct xt_mtchk_param *par)
+set_match_v1_checkentry(const struct xt_mtchk_param *par)
 {
-        struct xt_set_info_match *info = par->matchinfo;
+        struct xt_set_info_match_v1 *info = par->matchinfo;
         ip_set_id_t index;
 
         index = ip_set_nfnl_get_byindex(info->match_set.index);
@@ -207,36 +216,34 @@ set_match_checkentry(const struct xt_mtchk_param *par)
 }
 
 static void
-set_match_destroy(const struct xt_mtdtor_param *par)
+set_match_v1_destroy(const struct xt_mtdtor_param *par)
 {
-        struct xt_set_info_match *info = par->matchinfo;
+        struct xt_set_info_match_v1 *info = par->matchinfo;
 
         ip_set_nfnl_put(info->match_set.index);
 }
 
 static unsigned int
-set_target(struct sk_buff *skb, const struct xt_action_param *par)
+set_target_v1(struct sk_buff *skb, const struct xt_action_param *par)
 {
-        const struct xt_set_info_target *info = par->targinfo;
+        const struct xt_set_info_target_v1 *info = par->targinfo;
+        ADT_OPT(add_opt, par->family, info->add_set.dim,
+                info->add_set.flags, 0, UINT_MAX);
+        ADT_OPT(del_opt, par->family, info->del_set.dim,
+                info->del_set.flags, 0, UINT_MAX);
 
         if (info->add_set.index != IPSET_INVALID_ID)
-                ip_set_add(info->add_set.index,
-                           skb, par->family,
-                           info->add_set.dim,
-                           info->add_set.flags);
+                ip_set_add(info->add_set.index, skb, par, &add_opt);
         if (info->del_set.index != IPSET_INVALID_ID)
-                ip_set_del(info->del_set.index,
-                           skb, par->family,
-                           info->del_set.dim,
-                           info->del_set.flags);
+                ip_set_del(info->del_set.index, skb, par, &del_opt);
 
         return XT_CONTINUE;
 }
 
 static int
-set_target_checkentry(const struct xt_tgchk_param *par)
+set_target_v1_checkentry(const struct xt_tgchk_param *par)
 {
-        const struct xt_set_info_target *info = par->targinfo;
+        const struct xt_set_info_target_v1 *info = par->targinfo;
         ip_set_id_t index;
 
         if (info->add_set.index != IPSET_INVALID_ID) {
@@ -273,9 +280,9 @@ set_target_checkentry(const struct xt_tgchk_param *par)
 }
 
 static void
-set_target_destroy(const struct xt_tgdtor_param *par)
+set_target_v1_destroy(const struct xt_tgdtor_param *par)
 {
-        const struct xt_set_info_target *info = par->targinfo;
+        const struct xt_set_info_target_v1 *info = par->targinfo;
 
         if (info->add_set.index != IPSET_INVALID_ID)
                 ip_set_nfnl_put(info->add_set.index);
@@ -283,6 +290,28 @@ set_target_destroy(const struct xt_tgdtor_param *par)
                 ip_set_nfnl_put(info->del_set.index);
 }
 
+/* Revision 2 target */
+
+static unsigned int
+set_target_v2(struct sk_buff *skb, const struct xt_action_param *par)
+{
+        const struct xt_set_info_target_v2 *info = par->targinfo;
+        ADT_OPT(add_opt, par->family, info->add_set.dim,
+                info->add_set.flags, info->flags, info->timeout);
+        ADT_OPT(del_opt, par->family, info->del_set.dim,
+                info->del_set.flags, 0, UINT_MAX);
+
+        if (info->add_set.index != IPSET_INVALID_ID)
+                ip_set_add(info->add_set.index, skb, par, &add_opt);
+        if (info->del_set.index != IPSET_INVALID_ID)
+                ip_set_del(info->del_set.index, skb, par, &del_opt);
+
+        return XT_CONTINUE;
+}
+
+#define set_target_v2_checkentry        set_target_v1_checkentry
+#define set_target_v2_destroy           set_target_v1_destroy
+
 static struct xt_match set_matches[] __read_mostly = {
         {
                 .name           = "set",
@@ -298,20 +327,20 @@ static struct xt_match set_matches[] __read_mostly = {
                 .name           = "set",
                 .family         = NFPROTO_IPV4,
                 .revision       = 1,
-                .match          = set_match,
-                .matchsize      = sizeof(struct xt_set_info_match),
-                .checkentry     = set_match_checkentry,
-                .destroy        = set_match_destroy,
+                .match          = set_match_v1,
+                .matchsize      = sizeof(struct xt_set_info_match_v1),
+                .checkentry     = set_match_v1_checkentry,
+                .destroy        = set_match_v1_destroy,
                 .me             = THIS_MODULE
         },
         {
                 .name           = "set",
                 .family         = NFPROTO_IPV6,
                 .revision       = 1,
-                .match          = set_match,
-                .matchsize      = sizeof(struct xt_set_info_match),
-                .checkentry     = set_match_checkentry,
-                .destroy        = set_match_destroy,
+                .match          = set_match_v1,
+                .matchsize      = sizeof(struct xt_set_info_match_v1),
+                .checkentry     = set_match_v1_checkentry,
+                .destroy        = set_match_v1_destroy,
                 .me             = THIS_MODULE
         },
 };
@@ -331,20 +360,40 @@ static struct xt_target set_targets[] __read_mostly = {
                 .name           = "SET",
                 .revision       = 1,
                 .family         = NFPROTO_IPV4,
-                .target         = set_target,
-                .targetsize     = sizeof(struct xt_set_info_target),
-                .checkentry     = set_target_checkentry,
-                .destroy        = set_target_destroy,
+                .target         = set_target_v1,
+                .targetsize     = sizeof(struct xt_set_info_target_v1),
+                .checkentry     = set_target_v1_checkentry,
+                .destroy        = set_target_v1_destroy,
                 .me             = THIS_MODULE
         },
         {
                 .name           = "SET",
                 .revision       = 1,
                 .family         = NFPROTO_IPV6,
-                .target         = set_target,
-                .targetsize     = sizeof(struct xt_set_info_target),
-                .checkentry     = set_target_checkentry,
-                .destroy        = set_target_destroy,
+                .target         = set_target_v1,
+                .targetsize     = sizeof(struct xt_set_info_target_v1),
+                .checkentry     = set_target_v1_checkentry,
+                .destroy        = set_target_v1_destroy,
+                .me             = THIS_MODULE
+        },
+        {
+                .name           = "SET",
+                .revision       = 2,
+                .family         = NFPROTO_IPV4,
+                .target         = set_target_v2,
+                .targetsize     = sizeof(struct xt_set_info_target_v2),
+                .checkentry     = set_target_v2_checkentry,
+                .destroy        = set_target_v2_destroy,
+                .me             = THIS_MODULE
+        },
+        {
+                .name           = "SET",
+                .revision       = 2,
+                .family         = NFPROTO_IPV6,
+                .target         = set_target_v2,
+                .targetsize     = sizeof(struct xt_set_info_target_v2),
+                .checkentry     = set_target_v2_checkentry,
+                .destroy        = set_target_v2_destroy,
                 .me             = THIS_MODULE
         },
 };
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 9cc46356b577..fe39f7e913df 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -143,9 +143,9 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par,
         ct = nf_ct_get(skb, &ctinfo);
         if (ct && !nf_ct_is_untracked(ct) &&
             ((iph->protocol != IPPROTO_ICMP &&
-              ctinfo == IP_CT_IS_REPLY + IP_CT_ESTABLISHED) ||
+              ctinfo == IP_CT_ESTABLISHED_REPLY) ||
              (iph->protocol == IPPROTO_ICMP &&
-              ctinfo == IP_CT_IS_REPLY + IP_CT_RELATED)) &&
+              ctinfo == IP_CT_RELATED_REPLY)) &&
             (ct->status & IPS_SRC_NAT_DONE)) {
 
                 daddr = ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple.src.u3.ip;
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 9c38658fba8b..8efd061a0ae9 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -426,10 +426,9 @@ int netlbl_unlhsh_add(struct net *net,
                                               audit_info);
         switch (addr_len) {
         case sizeof(struct in_addr): {
-                struct in_addr *addr4, *mask4;
+                const struct in_addr *addr4 = addr;
+                const struct in_addr *mask4 = mask;
 
-                addr4 = (struct in_addr *)addr;
-                mask4 = (struct in_addr *)mask;
                 ret_val = netlbl_unlhsh_add_addr4(iface, addr4, mask4, secid);
                 if (audit_buf != NULL)
                         netlbl_af4list_audit_addr(audit_buf, 1,
@@ -440,10 +439,9 @@ int netlbl_unlhsh_add(struct net *net,
         }
 #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
         case sizeof(struct in6_addr): {
-                struct in6_addr *addr6, *mask6;
+                const struct in6_addr *addr6 = addr;
+                const struct in6_addr *mask6 = mask;
 
-                addr6 = (struct in6_addr *)addr;
-                mask6 = (struct in6_addr *)mask;
                 ret_val = netlbl_unlhsh_add_addr6(iface, addr6, mask6, secid);
                 if (audit_buf != NULL)
                         netlbl_af6list_audit_addr(audit_buf, 1,
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index a7ec8512f552..0a4db0211da0 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1659,13 +1659,10 @@ static int netlink_dump(struct sock *sk)
 {
         struct netlink_sock *nlk = nlk_sk(sk);
         struct netlink_callback *cb;
-        struct sk_buff *skb;
+        struct sk_buff *skb = NULL;
         struct nlmsghdr *nlh;
         int len, err = -ENOBUFS;
-
-        skb = sock_rmalloc(sk, NLMSG_GOODSIZE, 0, GFP_KERNEL);
-        if (!skb)
-                goto errout;
+        int alloc_size;
 
         mutex_lock(nlk->cb_mutex);
 
@@ -1675,6 +1672,12 @@ static int netlink_dump(struct sock *sk)
                 goto errout_skb;
         }
 
+        alloc_size = max_t(int, cb->min_dump_alloc, NLMSG_GOODSIZE);
+
+        skb = sock_rmalloc(sk, alloc_size, 0, GFP_KERNEL);
+        if (!skb)
+                goto errout_skb;
+
         len = cb->dump(skb, cb);
 
         if (len > 0) {
@@ -1715,7 +1718,6 @@ static int netlink_dump(struct sock *sk)
 errout_skb:
         mutex_unlock(nlk->cb_mutex);
         kfree_skb(skb);
-errout:
         return err;
 }
 
@@ -1723,7 +1725,8 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
                        const struct nlmsghdr *nlh,
                        int (*dump)(struct sk_buff *skb,
                                    struct netlink_callback *),
-                       int (*done)(struct netlink_callback *))
+                       int (*done)(struct netlink_callback *),
+                       u16 min_dump_alloc)
 {
         struct netlink_callback *cb;
         struct sock *sk;
@@ -1737,6 +1740,7 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
         cb->dump = dump;
         cb->done = done;
         cb->nlh = nlh;
+        cb->min_dump_alloc = min_dump_alloc;
         atomic_inc(&skb->users);
         cb->skb = skb;
 
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index 1781d99145e2..482fa571b4ee 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -525,7 +525,7 @@ static int genl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 
                 genl_unlock();
                 err = netlink_dump_start(net->genl_sock, skb, nlh,
-                                         ops->dumpit, ops->done);
+                                         ops->dumpit, ops->done, 0);
                 genl_lock();
                 return err;
         }
diff --git a/net/netrom/nr_route.c b/net/netrom/nr_route.c
index 44059d0c8dd1..cd5ddb2ebc43 100644
--- a/net/netrom/nr_route.c
+++ b/net/netrom/nr_route.c
@@ -257,9 +257,12 @@ static int __must_check nr_add_node(ax25_address *nr, const char *mnemonic,
         case 3:
                 if (nr_node->routes[1].quality > nr_node->routes[0].quality) {
                         switch (nr_node->which) {
-                                case 0:  nr_node->which = 1; break;
-                                case 1:  nr_node->which = 0; break;
-                                default: break;
+                        case 0:
+                                nr_node->which = 1;
+                                break;
+                        case 1:
+                                nr_node->which = 0;
+                                break;
                         }
                         nr_route           = nr_node->routes[0];
                         nr_node->routes[0] = nr_node->routes[1];
@@ -505,12 +508,13 @@ static int nr_dec_obs(void)
                                 s->count--;
 
                                 switch (i) {
-                                        case 0:
-                                                s->routes[0] = s->routes[1];
-                                        case 1:
-                                                s->routes[1] = s->routes[2];
-                                        case 2:
-                                                break;
+                                case 0:
+                                        s->routes[0] = s->routes[1];
+                                        /* Fallthrough */
+                                case 1:
+                                        s->routes[1] = s->routes[2];
+                                case 2:
+                                        break;
                                 }
                                 break;
 
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 925f715686a5..c698cec0a445 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -187,9 +187,11 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg);
 
 static void packet_flush_mclist(struct sock *sk);
 
+struct packet_fanout;
 struct packet_sock {
         /* struct sock has to be the first member of packet_sock */
         struct sock             sk;
+        struct packet_fanout    *fanout;
         struct tpacket_stats    stats;
         struct packet_ring_buffer       rx_ring;
         struct packet_ring_buffer       tx_ring;
@@ -212,6 +214,24 @@ struct packet_sock {
         struct packet_type      prot_hook ____cacheline_aligned_in_smp;
 };
 
+#define PACKET_FANOUT_MAX       256
+
+struct packet_fanout {
+#ifdef CONFIG_NET_NS
+        struct net              *net;
+#endif
+        unsigned int            num_members;
+        u16                     id;
+        u8                      type;
+        u8                      defrag;
+        atomic_t                rr_cur;
+        struct list_head        list;
+        struct sock             *arr[PACKET_FANOUT_MAX];
+        spinlock_t              lock;
+        atomic_t                sk_ref;
+        struct packet_type      prot_hook ____cacheline_aligned_in_smp;
+};
+
 struct packet_skb_cb {
         unsigned int origlen;
         union {
@@ -222,6 +242,64 @@ struct packet_skb_cb {
 
 #define PACKET_SKB_CB(__skb)    ((struct packet_skb_cb *)((__skb)->cb))
 
+static inline struct packet_sock *pkt_sk(struct sock *sk)
+{
+        return (struct packet_sock *)sk;
+}
+
+static void __fanout_unlink(struct sock *sk, struct packet_sock *po);
+static void __fanout_link(struct sock *sk, struct packet_sock *po);
+
+/* register_prot_hook must be invoked with the po->bind_lock held,
+ * or from a context in which asynchronous accesses to the packet
+ * socket is not possible (packet_create()).
+ */
+static void register_prot_hook(struct sock *sk)
+{
+        struct packet_sock *po = pkt_sk(sk);
+        if (!po->running) {
+                if (po->fanout)
+                        __fanout_link(sk, po);
+                else
+                        dev_add_pack(&po->prot_hook);
+                sock_hold(sk);
+                po->running = 1;
+        }
+}
+
+/* {,__}unregister_prot_hook() must be invoked with the po->bind_lock
+ * held.   If the sync parameter is true, we will temporarily drop
+ * the po->bind_lock and do a synchronize_net to make sure no
+ * asynchronous packet processing paths still refer to the elements
+ * of po->prot_hook.  If the sync parameter is false, it is the
+ * callers responsibility to take care of this.
+ */
+static void __unregister_prot_hook(struct sock *sk, bool sync)
+{
+        struct packet_sock *po = pkt_sk(sk);
+
+        po->running = 0;
+        if (po->fanout)
+                __fanout_unlink(sk, po);
+        else
+                __dev_remove_pack(&po->prot_hook);
+        __sock_put(sk);
+
+        if (sync) {
+                spin_unlock(&po->bind_lock);
+                synchronize_net();
+                spin_lock(&po->bind_lock);
+        }
+}
+
+static void unregister_prot_hook(struct sock *sk, bool sync)
+{
+        struct packet_sock *po = pkt_sk(sk);
+
+        if (po->running)
+                __unregister_prot_hook(sk, sync);
+}
+
 static inline __pure struct page *pgv_to_page(void *addr)
 {
         if (is_vmalloc_addr(addr))
@@ -324,11 +402,6 @@ static inline void packet_increment_head(struct packet_ring_buffer *buff)
         buff->head = buff->head != buff->frame_max ? buff->head+1 : 0;
 }
 
-static inline struct packet_sock *pkt_sk(struct sock *sk)
-{
-        return (struct packet_sock *)sk;
-}
-
 static void packet_sock_destruct(struct sock *sk)
 {
         skb_queue_purge(&sk->sk_error_queue);
@@ -344,6 +417,240 @@ static void packet_sock_destruct(struct sock *sk)
         sk_refcnt_debug_dec(sk);
 }
 
+static int fanout_rr_next(struct packet_fanout *f, unsigned int num)
+{
+        int x = atomic_read(&f->rr_cur) + 1;
+
+        if (x >= num)
+                x = 0;
+
+        return x;
+}
+
+static struct sock *fanout_demux_hash(struct packet_fanout *f, struct sk_buff *skb, unsigned int num)
+{
+        u32 idx, hash = skb->rxhash;
+
+        idx = ((u64)hash * num) >> 32;
+
+        return f->arr[idx];
+}
+
+static struct sock *fanout_demux_lb(struct packet_fanout *f, struct sk_buff *skb, unsigned int num)
+{
+        int cur, old;
+
+        cur = atomic_read(&f->rr_cur);
+        while ((old = atomic_cmpxchg(&f->rr_cur, cur,
+                                     fanout_rr_next(f, num))) != cur)
+                cur = old;
+        return f->arr[cur];
+}
+
+static struct sock *fanout_demux_cpu(struct packet_fanout *f, struct sk_buff *skb, unsigned int num)
+{
+        unsigned int cpu = smp_processor_id();
+
+        return f->arr[cpu % num];
+}
+
+static struct sk_buff *fanout_check_defrag(struct sk_buff *skb)
+{
+#ifdef CONFIG_INET
+        const struct iphdr *iph;
+        u32 len;
+
+        if (skb->protocol != htons(ETH_P_IP))
+                return skb;
+
+        if (!pskb_may_pull(skb, sizeof(struct iphdr)))
+                return skb;
+
+        iph = ip_hdr(skb);
+        if (iph->ihl < 5 || iph->version != 4)
+                return skb;
+        if (!pskb_may_pull(skb, iph->ihl*4))
+                return skb;
+        iph = ip_hdr(skb);
+        len = ntohs(iph->tot_len);
+        if (skb->len < len || len < (iph->ihl * 4))
+                return skb;
+
+        if (ip_is_fragment(ip_hdr(skb))) {
+                skb = skb_share_check(skb, GFP_ATOMIC);
+                if (skb) {
+                        if (pskb_trim_rcsum(skb, len))
+                                return skb;
+                        memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
+                        if (ip_defrag(skb, IP_DEFRAG_AF_PACKET))
+                                return NULL;
+                        skb->rxhash = 0;
+                }
+        }
+#endif
+        return skb;
+}
+
+static int packet_rcv_fanout(struct sk_buff *skb, struct net_device *dev,
+                             struct packet_type *pt, struct net_device *orig_dev)
+{
+        struct packet_fanout *f = pt->af_packet_priv;
+        unsigned int num = f->num_members;
+        struct packet_sock *po;
+        struct sock *sk;
+
+        if (!net_eq(dev_net(dev), read_pnet(&f->net)) ||
+            !num) {
+                kfree_skb(skb);
+                return 0;
+        }
+
+        switch (f->type) {
+        case PACKET_FANOUT_HASH:
+        default:
+                if (f->defrag) {
+                        skb = fanout_check_defrag(skb);
+                        if (!skb)
+                                return 0;
+                }
+                skb_get_rxhash(skb);
+                sk = fanout_demux_hash(f, skb, num);
+                break;
+        case PACKET_FANOUT_LB:
+                sk = fanout_demux_lb(f, skb, num);
+                break;
+        case PACKET_FANOUT_CPU:
+                sk = fanout_demux_cpu(f, skb, num);
+                break;
+        }
+
+        po = pkt_sk(sk);
+
+        return po->prot_hook.func(skb, dev, &po->prot_hook, orig_dev);
+}
+
+static DEFINE_MUTEX(fanout_mutex);
+static LIST_HEAD(fanout_list);
+
+static void __fanout_link(struct sock *sk, struct packet_sock *po)
+{
+        struct packet_fanout *f = po->fanout;
+
+        spin_lock(&f->lock);
+        f->arr[f->num_members] = sk;
+        smp_wmb();
+        f->num_members++;
+        spin_unlock(&f->lock);
+}
+
+static void __fanout_unlink(struct sock *sk, struct packet_sock *po)
+{
+        struct packet_fanout *f = po->fanout;
+        int i;
+
+        spin_lock(&f->lock);
+        for (i = 0; i < f->num_members; i++) {
+                if (f->arr[i] == sk)
+                        break;
+        }
+        BUG_ON(i >= f->num_members);
+        f->arr[i] = f->arr[f->num_members - 1];
+        f->num_members--;
+        spin_unlock(&f->lock);
+}
+
+static int fanout_add(struct sock *sk, u16 id, u16 type_flags)
+{
+        struct packet_sock *po = pkt_sk(sk);
+        struct packet_fanout *f, *match;
+        u8 type = type_flags & 0xff;
+        u8 defrag = (type_flags & PACKET_FANOUT_FLAG_DEFRAG) ? 1 : 0;
+        int err;
+
+        switch (type) {
+        case PACKET_FANOUT_HASH:
+        case PACKET_FANOUT_LB:
+        case PACKET_FANOUT_CPU:
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        if (!po->running)
+                return -EINVAL;
+
+        if (po->fanout)
+                return -EALREADY;
+
+        mutex_lock(&fanout_mutex);
+        match = NULL;
+        list_for_each_entry(f, &fanout_list, list) {
+                if (f->id == id &&
+                    read_pnet(&f->net) == sock_net(sk)) {
+                        match = f;
+                        break;
+                }
+        }
+        err = -EINVAL;
+        if (match && match->defrag != defrag)
+                goto out;
+        if (!match) {
+                err = -ENOMEM;
+                match = kzalloc(sizeof(*match), GFP_KERNEL);
+                if (!match)
+                        goto out;
+                write_pnet(&match->net, sock_net(sk));
+                match->id = id;
+                match->type = type;
+                match->defrag = defrag;
+                atomic_set(&match->rr_cur, 0);
+                INIT_LIST_HEAD(&match->list);
+                spin_lock_init(&match->lock);
+                atomic_set(&match->sk_ref, 0);
+                match->prot_hook.type = po->prot_hook.type;
+                match->prot_hook.dev = po->prot_hook.dev;
+                match->prot_hook.func = packet_rcv_fanout;
+                match->prot_hook.af_packet_priv = match;
+                dev_add_pack(&match->prot_hook);
+                list_add(&match->list, &fanout_list);
+        }
+        err = -EINVAL;
+        if (match->type == type &&
+            match->prot_hook.type == po->prot_hook.type &&
+            match->prot_hook.dev == po->prot_hook.dev) {
+                err = -ENOSPC;
+                if (atomic_read(&match->sk_ref) < PACKET_FANOUT_MAX) {
+                        __dev_remove_pack(&po->prot_hook);
+                        po->fanout = match;
+                        atomic_inc(&match->sk_ref);
+                        __fanout_link(sk, po);
+                        err = 0;
+                }
+        }
+out:
+        mutex_unlock(&fanout_mutex);
+        return err;
+}
+
+static void fanout_release(struct sock *sk)
+{
+        struct packet_sock *po = pkt_sk(sk);
+        struct packet_fanout *f;
+
+        f = po->fanout;
+        if (!f)
+                return;
+
+        po->fanout = NULL;
+
+        mutex_lock(&fanout_mutex);
+        if (atomic_dec_and_test(&f->sk_ref)) {
+                list_del(&f->list);
+                dev_remove_pack(&f->prot_hook);
+                kfree(f);
+        }
+        mutex_unlock(&fanout_mutex);
+}
 
 static const struct proto_ops packet_ops;
 
@@ -798,7 +1105,13 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
                         getnstimeofday(&ts);
                 h.h2->tp_sec = ts.tv_sec;
                 h.h2->tp_nsec = ts.tv_nsec;
-                h.h2->tp_vlan_tci = vlan_tx_tag_get(skb);
+                if (vlan_tx_tag_present(skb)) {
+                        h.h2->tp_vlan_tci = vlan_tx_tag_get(skb);
+                        status |= TP_STATUS_VLAN_VALID;
+                } else {
+                        h.h2->tp_vlan_tci = 0;
+                }
+                h.h2->tp_padding = 0;
                 hdrlen = sizeof(*h.h2);
                 break;
         default:
@@ -816,7 +1129,6 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
         else
                 sll->sll_ifindex = dev->ifindex;
 
-        __packet_set_status(po, h.raw, status);
         smp_mb();
 #if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE == 1
         {
@@ -825,8 +1137,10 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
                 end = (u8 *)PAGE_ALIGN((unsigned long)h.raw + macoff + snaplen);
                 for (start = h.raw; start < end; start += PAGE_SIZE)
                         flush_dcache_page(pgv_to_page(start));
+                smp_wmb();
         }
 #endif
+        __packet_set_status(po, h.raw, status);
 
         sk->sk_data_ready(sk, 0);
 
@@ -969,7 +1283,8 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
         struct sk_buff *skb;
         struct net_device *dev;
         __be16 proto;
-        int ifindex, err, reserve = 0;
+        bool need_rls_dev = false;
+        int err, reserve = 0;
         void *ph;
         struct sockaddr_ll *saddr = (struct sockaddr_ll *)msg->msg_name;
         int tp_len, size_max;
@@ -981,7 +1296,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 
         err = -EBUSY;
         if (saddr == NULL) {
-                ifindex = po->ifindex;
+                dev = po->prot_hook.dev;
                 proto   = po->num;
                 addr    = NULL;
         } else {
@@ -992,12 +1307,12 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
                                         + offsetof(struct sockaddr_ll,
                                                 sll_addr)))
                         goto out;
-                ifindex = saddr->sll_ifindex;
                 proto   = saddr->sll_protocol;
                 addr    = saddr->sll_addr;
+                dev = dev_get_by_index(sock_net(&po->sk), saddr->sll_ifindex);
+                need_rls_dev = true;
         }
 
-        dev = dev_get_by_index(sock_net(&po->sk), ifindex);
         err = -ENXIO;
         if (unlikely(dev == NULL))
                 goto out;
@@ -1083,7 +1398,8 @@ out_status:
         __packet_set_status(po, ph, status);
         kfree_skb(skb);
 out_put:
-        dev_put(dev);
+        if (need_rls_dev)
+                dev_put(dev);
 out:
         mutex_unlock(&po->pg_vec_lock);
         return err;
@@ -1121,8 +1437,9 @@ static int packet_snd(struct socket *sock,
         struct sk_buff *skb;
         struct net_device *dev;
         __be16 proto;
+        bool need_rls_dev = false;
         unsigned char *addr;
-        int ifindex, err, reserve = 0;
+        int err, reserve = 0;
         struct virtio_net_hdr vnet_hdr = { 0 };
         int offset = 0;
         int vnet_hdr_len;
@@ -1134,7 +1451,7 @@ static int packet_snd(struct socket *sock,
          */
 
         if (saddr == NULL) {
-                ifindex = po->ifindex;
+                dev = po->prot_hook.dev;
                 proto   = po->num;
                 addr    = NULL;
         } else {
@@ -1143,13 +1460,12 @@ static int packet_snd(struct socket *sock,
                         goto out;
                 if (msg->msg_namelen < (saddr->sll_halen + offsetof(struct sockaddr_ll, sll_addr)))
                         goto out;
-                ifindex = saddr->sll_ifindex;
                 proto   = saddr->sll_protocol;
                 addr    = saddr->sll_addr;
+                dev = dev_get_by_index(sock_net(sk), saddr->sll_ifindex);
+                need_rls_dev = true;
         }
 
-
-        dev = dev_get_by_index(sock_net(sk), ifindex);
         err = -ENXIO;
         if (dev == NULL)
                 goto out_unlock;
@@ -1280,14 +1596,15 @@ static int packet_snd(struct socket *sock,
         if (err > 0 && (err = net_xmit_errno(err)) != 0)
                 goto out_unlock;
 
-        dev_put(dev);
+        if (need_rls_dev)
+                dev_put(dev);
 
         return len;
 
 out_free:
         kfree_skb(skb);
 out_unlock:
-        if (dev)
+        if (dev && need_rls_dev)
                 dev_put(dev);
 out:
         return err;
@@ -1328,14 +1645,10 @@ static int packet_release(struct socket *sock)
         spin_unlock_bh(&net->packet.sklist_lock);
 
         spin_lock(&po->bind_lock);
-        if (po->running) {
-                /*
-                 * Remove from protocol table
-                 */
-                po->running = 0;
-                po->num = 0;
-                __dev_remove_pack(&po->prot_hook);
-                __sock_put(sk);
+        unregister_prot_hook(sk, false);
+        if (po->prot_hook.dev) {
+                dev_put(po->prot_hook.dev);
+                po->prot_hook.dev = NULL;
         }
         spin_unlock(&po->bind_lock);
 
@@ -1349,6 +1662,8 @@ static int packet_release(struct socket *sock)
         if (po->tx_ring.pg_vec)
                 packet_set_ring(sk, &req, 1, 1);
 
+        fanout_release(sk);
+
         synchronize_net();
         /*
          *      Now the socket is dead. No more input will appear.
@@ -1372,24 +1687,18 @@ static int packet_release(struct socket *sock)
 static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protocol)
 {
         struct packet_sock *po = pkt_sk(sk);
-        /*
-         *      Detach an existing hook if present.
-         */
+
+        if (po->fanout)
+                return -EINVAL;
 
         lock_sock(sk);
 
         spin_lock(&po->bind_lock);
-        if (po->running) {
-                __sock_put(sk);
-                po->running = 0;
-                po->num = 0;
-                spin_unlock(&po->bind_lock);
-                dev_remove_pack(&po->prot_hook);
-                spin_lock(&po->bind_lock);
-        }
-
+        unregister_prot_hook(sk, true);
         po->num = protocol;
         po->prot_hook.type = protocol;
+        if (po->prot_hook.dev)
+                dev_put(po->prot_hook.dev);
         po->prot_hook.dev = dev;
 
         po->ifindex = dev ? dev->ifindex : 0;
@@ -1398,9 +1707,7 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc
                 goto out_unlock;
 
         if (!dev || (dev->flags & IFF_UP)) {
-                dev_add_pack(&po->prot_hook);
-                sock_hold(sk);
-                po->running = 1;
+                register_prot_hook(sk);
         } else {
                 sk->sk_err = ENETDOWN;
                 if (!sock_flag(sk, SOCK_DEAD))
@@ -1434,10 +1741,8 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
         strlcpy(name, uaddr->sa_data, sizeof(name));
 
         dev = dev_get_by_name(sock_net(sk), name);
-        if (dev) {
+        if (dev)
                 err = packet_do_bind(sk, dev, pkt_sk(sk)->num);
-                dev_put(dev);
-        }
         return err;
 }
 
@@ -1465,8 +1770,6 @@ static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len
                         goto out;
         }
         err = packet_do_bind(sk, dev, sll->sll_protocol ? : pkt_sk(sk)->num);
-        if (dev)
-                dev_put(dev);
 
 out:
         return err;
@@ -1531,9 +1834,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol,
 
         if (proto) {
                 po->prot_hook.type = proto;
-                dev_add_pack(&po->prot_hook);
-                sock_hold(sk);
-                po->running = 1;
+                register_prot_hook(sk);
         }
 
         spin_lock_bh(&net->packet.sklist_lock);
@@ -1675,6 +1976,8 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
                         vnet_hdr.flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
                         vnet_hdr.csum_start = skb_checksum_start_offset(skb);
                         vnet_hdr.csum_offset = skb->csum_offset;
+                } else if (skb->ip_summed == CHECKSUM_UNNECESSARY) {
+                        vnet_hdr.flags = VIRTIO_NET_HDR_F_DATA_VALID;
                 } /* else everything is zero */
 
                 err = memcpy_toiovec(msg->msg_iov, (void *)&vnet_hdr,
@@ -1725,8 +2028,13 @@ static int packet_recvmsg(struct kiocb *iocb, struct socket *sock,
                 aux.tp_snaplen = skb->len;
                 aux.tp_mac = 0;
                 aux.tp_net = skb_network_offset(skb);
-                aux.tp_vlan_tci = vlan_tx_tag_get(skb);
-
+                if (vlan_tx_tag_present(skb)) {
+                        aux.tp_vlan_tci = vlan_tx_tag_get(skb);
+                        aux.tp_status |= TP_STATUS_VLAN_VALID;
+                } else {
+                        aux.tp_vlan_tci = 0;
+                }
+                aux.tp_padding = 0;
                 put_cmsg(msg, SOL_PACKET, PACKET_AUXDATA, sizeof(aux), &aux);
         }
 
@@ -2091,6 +2399,17 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv
                 po->tp_tstamp = val;
                 return 0;
         }
+        case PACKET_FANOUT:
+        {
+                int val;
+
+                if (optlen != sizeof(val))
+                        return -EINVAL;
+                if (copy_from_user(&val, optval, sizeof(val)))
+                        return -EFAULT;
+
+                return fanout_add(sk, val & 0xffff, val >> 16);
+        }
         default:
                 return -ENOPROTOOPT;
         }
@@ -2189,6 +2508,15 @@ static int packet_getsockopt(struct socket *sock, int level, int optname,
                 val = po->tp_tstamp;
                 data = &val;
                 break;
+        case PACKET_FANOUT:
+                if (len > sizeof(int))
+                        len = sizeof(int);
+                val = (po->fanout ?
+                       ((u32)po->fanout->id |
+                        ((u32)po->fanout->type << 16)) :
+                       0);
+                data = &val;
+                break;
         default:
                 return -ENOPROTOOPT;
         }
@@ -2222,15 +2550,15 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void
                         if (dev->ifindex == po->ifindex) {
                                 spin_lock(&po->bind_lock);
                                 if (po->running) {
-                                        __dev_remove_pack(&po->prot_hook);
-                                        __sock_put(sk);
-                                        po->running = 0;
+                                        __unregister_prot_hook(sk, false);
                                         sk->sk_err = ENETDOWN;
                                         if (!sock_flag(sk, SOCK_DEAD))
                                                 sk->sk_error_report(sk);
                                 }
                                 if (msg == NETDEV_UNREGISTER) {
                                         po->ifindex = -1;
+                                        if (po->prot_hook.dev)
+                                                dev_put(po->prot_hook.dev);
                                         po->prot_hook.dev = NULL;
                                 }
                                 spin_unlock(&po->bind_lock);
@@ -2239,11 +2567,8 @@ static int packet_notifier(struct notifier_block *this, unsigned long msg, void
                 case NETDEV_UP:
                         if (dev->ifindex == po->ifindex) {
                                 spin_lock(&po->bind_lock);
-                                if (po->num && !po->running) {
-                                        dev_add_pack(&po->prot_hook);
-                                        sock_hold(sk);
-                                        po->running = 1;
-                                }
+                                if (po->num)
+                                        register_prot_hook(sk);
                                 spin_unlock(&po->bind_lock);
                         }
                         break;
@@ -2510,10 +2835,8 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req,
         was_running = po->running;
         num = po->num;
         if (was_running) {
-                __dev_remove_pack(&po->prot_hook);
                 po->num = 0;
-                po->running = 0;
-                __sock_put(sk);
+                __unregister_prot_hook(sk, false);
         }
         spin_unlock(&po->bind_lock);
 
@@ -2544,11 +2867,9 @@ static int packet_set_ring(struct sock *sk, struct tpacket_req *req,
         mutex_unlock(&po->pg_vec_lock);
 
         spin_lock(&po->bind_lock);
-        if (was_running && !po->running) {
-                sock_hold(sk);
-                po->running = 1;
+        if (was_running) {
                 po->num = num;
-                dev_add_pack(&po->prot_hook);
+                register_prot_hook(sk);
         }
         spin_unlock(&po->bind_lock);
 
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 438accb7a5a8..d61f6761777d 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -289,15 +289,16 @@ out:
 
 int __init phonet_netlink_register(void)
 {
-        int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit, NULL);
+        int err = __rtnl_register(PF_PHONET, RTM_NEWADDR, addr_doit,
+                                  NULL, NULL);
         if (err)
                 return err;
 
         /* Further __rtnl_register() cannot fail */
-        __rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL);
-        __rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit);
-        __rtnl_register(PF_PHONET, RTM_NEWROUTE, route_doit, NULL);
-        __rtnl_register(PF_PHONET, RTM_DELROUTE, route_doit, NULL);
-        __rtnl_register(PF_PHONET, RTM_GETROUTE, NULL, route_dumpit);
+        __rtnl_register(PF_PHONET, RTM_DELADDR, addr_doit, NULL, NULL);
+        __rtnl_register(PF_PHONET, RTM_GETADDR, NULL, getaddr_dumpit, NULL);
+        __rtnl_register(PF_PHONET, RTM_NEWROUTE, route_doit, NULL, NULL);
+        __rtnl_register(PF_PHONET, RTM_DELROUTE, route_doit, NULL, NULL);
+        __rtnl_register(PF_PHONET, RTM_GETROUTE, NULL, route_dumpit, NULL);
         return 0;
 }
diff --git a/net/rds/bind.c b/net/rds/bind.c
index 2f6b3fcc79f8..637bde56c9db 100644
--- a/net/rds/bind.c
+++ b/net/rds/bind.c
@@ -35,6 +35,7 @@
 #include <linux/in.h>
 #include <linux/if_arp.h>
 #include <linux/jhash.h>
+#include <linux/ratelimit.h>
 #include "rds.h"
 
 #define BIND_HASH_SIZE 1024
@@ -185,8 +186,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
         if (!trans) {
                 ret = -EADDRNOTAVAIL;
                 rds_remove_bound(rs);
-                if (printk_ratelimit())
-                        printk(KERN_INFO "RDS: rds_bind() could not find a transport, "
+                printk_ratelimited(KERN_INFO "RDS: rds_bind() could not find a transport, "
                                 "load rds_tcp or rds_rdma?\n");
                 goto out;
         }
diff --git a/net/rds/ib.c b/net/rds/ib.c
index cce19f95c624..3b83086bcc30 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -325,7 +325,7 @@ static int rds_ib_laddr_check(__be32 addr)
         /* Create a CMA ID and try to bind it. This catches both
          * IB and iWARP capable NICs.
          */
-        cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
+        cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
         if (IS_ERR(cm_id))
                 return PTR_ERR(cm_id);
 
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 4297d92788dc..edfaaaf164eb 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -3,6 +3,7 @@
 
 #include <rdma/ib_verbs.h>
 #include <rdma/rdma_cm.h>
+#include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include "rds.h"
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index ee369d201a65..cd67026be2d5 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -34,6 +34,7 @@
 #include <linux/in.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
+#include <linux/ratelimit.h>
 
 #include "rds.h"
 #include "ib.h"
@@ -435,13 +436,12 @@ static u32 rds_ib_protocol_compatible(struct rdma_cm_event *event)
                 version = RDS_PROTOCOL_3_0;
                 while ((common >>= 1) != 0)
                         version++;
-        } else if (printk_ratelimit()) {
-                printk(KERN_NOTICE "RDS: Connection from %pI4 using "
+        }
+        printk_ratelimited(KERN_NOTICE "RDS: Connection from %pI4 using "
                         "incompatible protocol version %u.%u\n",
                         &dp->dp_saddr,
                         dp->dp_protocol_major,
                         dp->dp_protocol_minor);
-        }
         return version;
 }
 
@@ -587,7 +587,7 @@ int rds_ib_conn_connect(struct rds_connection *conn)
         /* XXX I wonder what affect the port space has */
         /* delegate cm event handler to rdma_transport */
         ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn,
-                                     RDMA_PS_TCP);
+                                     RDMA_PS_TCP, IB_QPT_RC);
         if (IS_ERR(ic->i_cm_id)) {
                 ret = PTR_ERR(ic->i_cm_id);
                 ic->i_cm_id = NULL;
diff --git a/net/rds/ib_send.c b/net/rds/ib_send.c
index 7c4dce8fa5e6..e59094981175 100644
--- a/net/rds/ib_send.c
+++ b/net/rds/ib_send.c
@@ -34,6 +34,7 @@
 #include <linux/in.h>
 #include <linux/device.h>
 #include <linux/dmapool.h>
+#include <linux/ratelimit.h>
 
 #include "rds.h"
 #include "ib.h"
@@ -207,8 +208,7 @@ static struct rds_message *rds_ib_send_unmap_op(struct rds_ib_connection *ic,
                 }
                 break;
         default:
-                if (printk_ratelimit())
-                        printk(KERN_NOTICE
+                printk_ratelimited(KERN_NOTICE
                                "RDS/IB: %s: unexpected opcode 0x%x in WR!\n",
                                __func__, send->s_wr.opcode);
                 break;
diff --git a/net/rds/iw.c b/net/rds/iw.c
index 5a9676fe594f..f7474844f096 100644
--- a/net/rds/iw.c
+++ b/net/rds/iw.c
@@ -226,7 +226,7 @@ static int rds_iw_laddr_check(__be32 addr)
         /* Create a CMA ID and try to bind it. This catches both
          * IB and iWARP capable NICs.
          */
-        cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP);
+        cm_id = rdma_create_id(NULL, NULL, RDMA_PS_TCP, IB_QPT_RC);
         if (IS_ERR(cm_id))
                 return PTR_ERR(cm_id);
 
diff --git a/net/rds/iw.h b/net/rds/iw.h
index 90151922178c..04ce3b193f79 100644
--- a/net/rds/iw.h
+++ b/net/rds/iw.h
@@ -1,6 +1,7 @@
 #ifndef _RDS_IW_H
 #define _RDS_IW_H
 
+#include <linux/interrupt.h>
 #include <rdma/ib_verbs.h>
 #include <rdma/rdma_cm.h>
 #include "rds.h"
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index 3a60a15d1b4a..9556d2895f7a 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -34,6 +34,7 @@
 #include <linux/in.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
+#include <linux/ratelimit.h>
 
 #include "rds.h"
 #include "iw.h"
@@ -258,8 +259,7 @@ static int rds_iw_setup_qp(struct rds_connection *conn)
          */
         rds_iwdev = ib_get_client_data(dev, &rds_iw_client);
         if (!rds_iwdev) {
-                if (printk_ratelimit())
-                        printk(KERN_NOTICE "RDS/IW: No client_data for device %s\n",
+                printk_ratelimited(KERN_NOTICE "RDS/IW: No client_data for device %s\n",
                                         dev->name);
                 return -EOPNOTSUPP;
         }
@@ -365,13 +365,12 @@ static u32 rds_iw_protocol_compatible(const struct rds_iw_connect_private *dp)
                 version = RDS_PROTOCOL_3_0;
                 while ((common >>= 1) != 0)
                         version++;
-        } else if (printk_ratelimit()) {
-                printk(KERN_NOTICE "RDS: Connection from %pI4 using "
+        }
+        printk_ratelimited(KERN_NOTICE "RDS: Connection from %pI4 using "
                         "incompatible protocol version %u.%u\n",
                         &dp->dp_saddr,
                         dp->dp_protocol_major,
                         dp->dp_protocol_minor);
-        }
         return version;
 }
 
@@ -522,7 +521,7 @@ int rds_iw_conn_connect(struct rds_connection *conn)
         /* XXX I wonder what affect the port space has */
         /* delegate cm event handler to rdma_transport */
         ic->i_cm_id = rdma_create_id(rds_rdma_cm_event_handler, conn,
-                                     RDMA_PS_TCP);
+                                     RDMA_PS_TCP, IB_QPT_RC);
         if (IS_ERR(ic->i_cm_id)) {
                 ret = PTR_ERR(ic->i_cm_id);
                 ic->i_cm_id = NULL;
diff --git a/net/rds/iw_rdma.c b/net/rds/iw_rdma.c
index 6deaa77495e3..8b77edbab272 100644
--- a/net/rds/iw_rdma.c
+++ b/net/rds/iw_rdma.c
@@ -32,6 +32,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/slab.h>
+#include <linux/ratelimit.h>
 
 #include "rds.h"
 #include "iw.h"
@@ -729,8 +730,8 @@ static int rds_iw_rdma_build_fastreg(struct rds_iw_mapping *mapping)
         failed_wr = &f_wr;
         ret = ib_post_send(ibmr->cm_id->qp, &f_wr, &failed_wr);
         BUG_ON(failed_wr != &f_wr);
-        if (ret && printk_ratelimit())
-                printk(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
+        if (ret)
+                printk_ratelimited(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
                         __func__, __LINE__, ret);
         return ret;
 }
@@ -751,8 +752,8 @@ static int rds_iw_rdma_fastreg_inv(struct rds_iw_mr *ibmr)
 
         failed_wr = &s_wr;
         ret = ib_post_send(ibmr->cm_id->qp, &s_wr, &failed_wr);
-        if (ret && printk_ratelimit()) {
-                printk(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
+        if (ret) {
+                printk_ratelimited(KERN_WARNING "RDS/IW: %s:%d ib_post_send returned %d\n",
                         __func__, __LINE__, ret);
                 goto out;
         }
diff --git a/net/rds/iw_send.c b/net/rds/iw_send.c
index 545d8ee3efb1..e40c3c5db2c4 100644
--- a/net/rds/iw_send.c
+++ b/net/rds/iw_send.c
@@ -34,6 +34,7 @@
 #include <linux/in.h>
 #include <linux/device.h>
 #include <linux/dmapool.h>
+#include <linux/ratelimit.h>
 
 #include "rds.h"
 #include "iw.h"
@@ -258,8 +259,7 @@ void rds_iw_send_cq_comp_handler(struct ib_cq *cq, void *context)
                                  * when the SEND completes. */
                                 break;
                         default:
-                                if (printk_ratelimit())
-                                        printk(KERN_NOTICE
+                                printk_ratelimited(KERN_NOTICE
                                                 "RDS/IW: %s: unexpected opcode 0x%x in WR!\n",
                                                 __func__, send->s_wr.opcode);
                                 break;
diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c
index 4195a0539829..f8760e1b6688 100644
--- a/net/rds/rdma_transport.c
+++ b/net/rds/rdma_transport.c
@@ -158,7 +158,8 @@ static int rds_rdma_listen_init(void)
         struct rdma_cm_id *cm_id;
         int ret;
 
-        cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP);
+        cm_id = rdma_create_id(rds_rdma_cm_event_handler, NULL, RDMA_PS_TCP,
+                               IB_QPT_RC);
         if (IS_ERR(cm_id)) {
                 ret = PTR_ERR(cm_id);
                 printk(KERN_ERR "RDS/RDMA: failed to setup listener, "
diff --git a/net/rds/send.c b/net/rds/send.c
index d58ae5f9339e..aa57e22539ef 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -35,6 +35,7 @@
 #include <net/sock.h>
 #include <linux/in.h>
 #include <linux/list.h>
+#include <linux/ratelimit.h>
 
 #include "rds.h"
 
@@ -1006,16 +1007,14 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
                 goto out;
 
         if (rm->rdma.op_active && !conn->c_trans->xmit_rdma) {
-                if (printk_ratelimit())
-                        printk(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n",
+                printk_ratelimited(KERN_NOTICE "rdma_op %p conn xmit_rdma %p\n",
                                &rm->rdma, conn->c_trans->xmit_rdma);
                 ret = -EOPNOTSUPP;
                 goto out;
         }
 
         if (rm->atomic.op_active && !conn->c_trans->xmit_atomic) {
-                if (printk_ratelimit())
-                        printk(KERN_NOTICE "atomic_op %p conn xmit_atomic %p\n",
+                printk_ratelimited(KERN_NOTICE "atomic_op %p conn xmit_atomic %p\n",
                                &rm->atomic, conn->c_trans->xmit_atomic);
                 ret = -EOPNOTSUPP;
                 goto out;
diff --git a/net/rds/tcp_stats.c b/net/rds/tcp_stats.c
index d5898d03cd68..f8a7954f1f59 100644
--- a/net/rds/tcp_stats.c
+++ b/net/rds/tcp_stats.c
@@ -40,7 +40,7 @@
 DEFINE_PER_CPU(struct rds_tcp_statistics, rds_tcp_stats)
         ____cacheline_aligned;
 
-static const char const *rds_tcp_stat_names[] = {
+static const char * const rds_tcp_stat_names[] = {
         "tcp_data_ready_calls",
         "tcp_write_space_calls",
         "tcp_sndbuf_full",
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index fa5f5641a2c2..7a02bd1cc5a0 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -266,13 +266,6 @@ void rose_transmit_link(struct sk_buff *skb, struct rose_neigh *neigh)
 {
         unsigned char *dptr;
 
-#if 0
-        if (call_fw_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT) {
-                kfree_skb(skb);
-                return;
-        }
-#endif
-
         if (neigh->loopback) {
                 rose_loopback_queue(skb, neigh);
                 return;
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 479cae57d187..d389de197089 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -864,11 +864,6 @@ int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
         int res = 0;
         char buf[11];
 
-#if 0
-        if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL, &skb) != FW_ACCEPT)
-                return res;
-#endif
-
         if (skb->len < ROSE_MIN_LEN)
                 return res;
         frametype = skb->data[2];
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index a606025814a1..f2fb67e701a3 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -365,10 +365,10 @@ static struct tc_action_ops *tc_lookup_action_id(u32 type)
 }
 #endif
 
-int tcf_action_exec(struct sk_buff *skb, struct tc_action *act,
+int tcf_action_exec(struct sk_buff *skb, const struct tc_action *act,
                     struct tcf_result *res)
 {
-        struct tc_action *a;
+        const struct tc_action *a;
         int ret = -1;
 
         if (skb->tc_verd & TC_NCLS) {
@@ -1115,9 +1115,10 @@ nlmsg_failure:
 
 static int __init tc_action_init(void)
 {
-        rtnl_register(PF_UNSPEC, RTM_NEWACTION, tc_ctl_action, NULL);
-        rtnl_register(PF_UNSPEC, RTM_DELACTION, tc_ctl_action, NULL);
-        rtnl_register(PF_UNSPEC, RTM_GETACTION, tc_ctl_action, tc_dump_action);
+        rtnl_register(PF_UNSPEC, RTM_NEWACTION, tc_ctl_action, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_DELACTION, tc_ctl_action, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETACTION, tc_ctl_action, tc_dump_action,
+                      NULL);
 
         return 0;
 }
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 6cdf9abe475f..453a73431ac4 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -500,7 +500,7 @@ fail:
 }
 
 static int tcf_csum(struct sk_buff *skb,
-                    struct tc_action *a, struct tcf_result *res)
+                    const struct tc_action *a, struct tcf_result *res)
 {
         struct tcf_csum *p = a->priv;
         int action;
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index 2b4ab4b05ce8..b77f5a06a658 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -125,7 +125,8 @@ static int tcf_gact_cleanup(struct tc_action *a, int bind)
         return 0;
 }
 
-static int tcf_gact(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res)
+static int tcf_gact(struct sk_buff *skb, const struct tc_action *a,
+                    struct tcf_result *res)
 {
         struct tcf_gact *gact = a->priv;
         int action = TC_ACT_SHOT;
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 9fc211a1b20e..60f8f616e8fa 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -195,7 +195,7 @@ static int tcf_ipt_cleanup(struct tc_action *a, int bind)
         return tcf_ipt_release(ipt, bind);
 }
 
-static int tcf_ipt(struct sk_buff *skb, struct tc_action *a,
+static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a,
                    struct tcf_result *res)
 {
         int ret = 0, result = 0;
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 961386e2f2c0..102fc212cd64 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -154,7 +154,7 @@ static int tcf_mirred_cleanup(struct tc_action *a, int bind)
         return 0;
 }
 
-static int tcf_mirred(struct sk_buff *skb, struct tc_action *a,
+static int tcf_mirred(struct sk_buff *skb, const struct tc_action *a,
                       struct tcf_result *res)
 {
         struct tcf_mirred *m = a->priv;
diff --git a/net/sched/act_nat.c b/net/sched/act_nat.c
index 762b027650a9..001d1b354869 100644
--- a/net/sched/act_nat.c
+++ b/net/sched/act_nat.c
@@ -102,7 +102,7 @@ static int tcf_nat_cleanup(struct tc_action *a, int bind)
         return tcf_hash_release(&p->common, bind, &nat_hash_info);
 }
 
-static int tcf_nat(struct sk_buff *skb, struct tc_action *a,
+static int tcf_nat(struct sk_buff *skb, const struct tc_action *a,
                    struct tcf_result *res)
 {
         struct tcf_nat *p = a->priv;
diff --git a/net/sched/act_pedit.c b/net/sched/act_pedit.c
index 7affe9a92757..10d3aed86560 100644
--- a/net/sched/act_pedit.c
+++ b/net/sched/act_pedit.c
@@ -120,7 +120,7 @@ static int tcf_pedit_cleanup(struct tc_action *a, int bind)
         return 0;
 }
 
-static int tcf_pedit(struct sk_buff *skb, struct tc_action *a,
+static int tcf_pedit(struct sk_buff *skb, const struct tc_action *a,
                      struct tcf_result *res)
 {
         struct tcf_pedit *p = a->priv;
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index b3b9b32f4e00..6fb3f5af0f85 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -282,7 +282,7 @@ static int tcf_act_police_cleanup(struct tc_action *a, int bind)
         return ret;
 }
 
-static int tcf_act_police(struct sk_buff *skb, struct tc_action *a,
+static int tcf_act_police(struct sk_buff *skb, const struct tc_action *a,
                           struct tcf_result *res)
 {
         struct tcf_police *police = a->priv;
diff --git a/net/sched/act_simple.c b/net/sched/act_simple.c
index a34a22de60b3..73e0a3ab4d55 100644
--- a/net/sched/act_simple.c
+++ b/net/sched/act_simple.c
@@ -36,7 +36,8 @@ static struct tcf_hashinfo simp_hash_info = {
 };
 
 #define SIMP_MAX_DATA   32
-static int tcf_simp(struct sk_buff *skb, struct tc_action *a, struct tcf_result *res)
+static int tcf_simp(struct sk_buff *skb, const struct tc_action *a,
+                    struct tcf_result *res)
 {
         struct tcf_defact *d = a->priv;
 
diff --git a/net/sched/act_skbedit.c b/net/sched/act_skbedit.c
index 5f6f0c7c3905..35dbbe91027e 100644
--- a/net/sched/act_skbedit.c
+++ b/net/sched/act_skbedit.c
@@ -39,7 +39,7 @@ static struct tcf_hashinfo skbedit_hash_info = {
         .lock   =       &skbedit_lock,
 };
 
-static int tcf_skbedit(struct sk_buff *skb, struct tc_action *a,
+static int tcf_skbedit(struct sk_buff *skb, const struct tc_action *a,
                        struct tcf_result *res)
 {
         struct tcf_skbedit *d = a->priv;
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index bb2c523f8158..a69d44f1dac5 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -40,9 +40,9 @@ static DEFINE_RWLOCK(cls_mod_lock);
 
 /* Find classifier type by string name */
 
-static struct tcf_proto_ops *tcf_proto_lookup_ops(struct nlattr *kind)
+static const struct tcf_proto_ops *tcf_proto_lookup_ops(struct nlattr *kind)
 {
-        struct tcf_proto_ops *t = NULL;
+        const struct tcf_proto_ops *t = NULL;
 
         if (kind) {
                 read_lock(&cls_mod_lock);
@@ -132,7 +132,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
         struct Qdisc  *q;
         struct tcf_proto **back, **chain;
         struct tcf_proto *tp;
-        struct tcf_proto_ops *tp_ops;
+        const struct tcf_proto_ops *tp_ops;
         const struct Qdisc_class_ops *cops;
         unsigned long cl;
         unsigned long fh;
@@ -610,10 +610,10 @@ EXPORT_SYMBOL(tcf_exts_dump_stats);
 
 static int __init tc_filter_init(void)
 {
-        rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_ctl_tfilter, NULL);
-        rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_ctl_tfilter, NULL);
+        rtnl_register(PF_UNSPEC, RTM_NEWTFILTER, tc_ctl_tfilter, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_DELTFILTER, tc_ctl_tfilter, NULL, NULL);
         rtnl_register(PF_UNSPEC, RTM_GETTFILTER, tc_ctl_tfilter,
-                                                 tc_dump_tfilter);
+                      tc_dump_tfilter, NULL);
 
         return 0;
 }
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 8be8872dd571..ea1f70b5a5f4 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -39,7 +39,7 @@ static const struct tcf_ext_map basic_ext_map = {
         .police = TCA_BASIC_POLICE
 };
 
-static int basic_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                           struct tcf_result *res)
 {
         int r;
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 32a335194ca5..f84fdc3a7f27 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -101,7 +101,7 @@ struct cls_cgroup_head {
         struct tcf_ematch_tree  ematches;
 };
 
-static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int cls_cgroup_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                                struct tcf_result *res)
 {
         struct cls_cgroup_head *head = tp->root;
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 8ec01391d988..6994214db8f8 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -121,7 +121,7 @@ static u32 flow_get_proto_src(struct sk_buff *skb)
                 if (!pskb_network_may_pull(skb, sizeof(*iph)))
                         break;
                 iph = ip_hdr(skb);
-                if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+                if (ip_is_fragment(iph))
                         break;
                 poff = proto_ports_offset(iph->protocol);
                 if (poff >= 0 &&
@@ -163,7 +163,7 @@ static u32 flow_get_proto_dst(struct sk_buff *skb)
                 if (!pskb_network_may_pull(skb, sizeof(*iph)))
                         break;
                 iph = ip_hdr(skb);
-                if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+                if (ip_is_fragment(iph))
                         break;
                 poff = proto_ports_offset(iph->protocol);
                 if (poff >= 0 &&
@@ -356,7 +356,7 @@ static u32 flow_key_get(struct sk_buff *skb, int key)
         }
 }
 
-static int flow_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int flow_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                          struct tcf_result *res)
 {
         struct flow_head *head = tp->root;
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 26e7bc4ffb79..389af152ec45 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -77,7 +77,7 @@ static inline int fw_hash(u32 handle)
                 return handle & (HTSIZE - 1);
 }
 
-static int fw_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int fw_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                           struct tcf_result *res)
 {
         struct fw_head *head = (struct fw_head *)tp->root;
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index a907905376df..13ab66e9df58 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -125,7 +125,7 @@ static inline int route4_hash_wild(void)
         return 0;                                               \
 }
 
-static int route4_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int route4_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                            struct tcf_result *res)
 {
         struct route4_head *head = (struct route4_head *)tp->root;
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index 402c44b241a3..be4505ee67a9 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -130,7 +130,7 @@ static struct tcf_ext_map rsvp_ext_map = {
                 return r;                               \
 }
 
-static int rsvp_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int rsvp_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                          struct tcf_result *res)
 {
         struct rsvp_session **sht = ((struct rsvp_head *)tp->root)->ht;
@@ -167,7 +167,7 @@ restart:
         dst = &nhptr->daddr;
         protocol = nhptr->protocol;
         xprt = ((u8 *)nhptr) + (nhptr->ihl<<2);
-        if (nhptr->frag_off & htons(IP_MF | IP_OFFSET))
+        if (ip_is_fragment(nhptr))
                 return -1;
 #endif
 
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 36667fa64237..dbe199234c63 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -79,7 +79,7 @@ tcindex_lookup(struct tcindex_data *p, u16 key)
 }
 
 
-static int tcindex_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int tcindex_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                             struct tcf_result *res)
 {
         struct tcindex_data *p = PRIV(tp);
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 3b93fc0c8955..939b627b4795 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -93,7 +93,7 @@ static inline unsigned int u32_hash_fold(__be32 key,
         return h;
 }
 
-static int u32_classify(struct sk_buff *skb, struct tcf_proto *tp, struct tcf_result *res)
+static int u32_classify(struct sk_buff *skb, const struct tcf_proto *tp, struct tcf_result *res)
 {
         struct {
                 struct tc_u_knode *knode;
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 49130e8abff0..1363bf14e61b 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -404,12 +404,6 @@ META_COLLECTOR(int_sk_alloc)
         dst->value = (__force int) skb->sk->sk_allocation;
 }
 
-META_COLLECTOR(int_sk_route_caps)
-{
-        SKIP_NONLOCAL(skb);
-        dst->value = skb->sk->sk_route_caps;
-}
-
 META_COLLECTOR(int_sk_hash)
 {
         SKIP_NONLOCAL(skb);
@@ -530,7 +524,6 @@ static struct meta_ops __meta_ops[TCF_META_TYPE_MAX + 1][TCF_META_ID_MAX + 1] =
                 [META_ID(SK_ERR_QLEN)]          = META_FUNC(int_sk_err_qlen),
                 [META_ID(SK_FORWARD_ALLOCS)]    = META_FUNC(int_sk_fwd_alloc),
                 [META_ID(SK_ALLOCS)]            = META_FUNC(int_sk_alloc),
-                [META_ID(SK_ROUTE_CAPS)]        = META_FUNC(int_sk_route_caps),
                 [META_ID(SK_HASH)]              = META_FUNC(int_sk_hash),
                 [META_ID(SK_LINGERTIME)]        = META_FUNC(int_sk_lingertime),
                 [META_ID(SK_ACK_BACKLOG)]       = META_FUNC(int_sk_ack_bl),
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 6b8627661c98..dca6c1a576f7 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1644,7 +1644,7 @@ done:
  * to this qdisc, (optionally) tests for protocol and asks
  * specific classifiers.
  */
-int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,
+int tc_classify_compat(struct sk_buff *skb, const struct tcf_proto *tp,
                        struct tcf_result *res)
 {
         __be16 protocol = skb->protocol;
@@ -1668,12 +1668,12 @@ int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,
 }
 EXPORT_SYMBOL(tc_classify_compat);
 
-int tc_classify(struct sk_buff *skb, struct tcf_proto *tp,
+int tc_classify(struct sk_buff *skb, const struct tcf_proto *tp,
                 struct tcf_result *res)
 {
         int err = 0;
 #ifdef CONFIG_NET_CLS_ACT
-        struct tcf_proto *otp = tp;
+        const struct tcf_proto *otp = tp;
 reclassify:
 #endif
 
@@ -1792,12 +1792,12 @@ static int __init pktsched_init(void)
         register_qdisc(&pfifo_head_drop_qdisc_ops);
         register_qdisc(&mq_qdisc_ops);
 
-        rtnl_register(PF_UNSPEC, RTM_NEWQDISC, tc_modify_qdisc, NULL);
-        rtnl_register(PF_UNSPEC, RTM_DELQDISC, tc_get_qdisc, NULL);
-        rtnl_register(PF_UNSPEC, RTM_GETQDISC, tc_get_qdisc, tc_dump_qdisc);
-        rtnl_register(PF_UNSPEC, RTM_NEWTCLASS, tc_ctl_tclass, NULL);
-        rtnl_register(PF_UNSPEC, RTM_DELTCLASS, tc_ctl_tclass, NULL);
-        rtnl_register(PF_UNSPEC, RTM_GETTCLASS, tc_ctl_tclass, tc_dump_tclass);
+        rtnl_register(PF_UNSPEC, RTM_NEWQDISC, tc_modify_qdisc, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_DELQDISC, tc_get_qdisc, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETQDISC, tc_get_qdisc, tc_dump_qdisc, NULL);
+        rtnl_register(PF_UNSPEC, RTM_NEWTCLASS, tc_ctl_tclass, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_DELTCLASS, tc_ctl_tclass, NULL, NULL);
+        rtnl_register(PF_UNSPEC, RTM_GETTCLASS, tc_ctl_tclass, tc_dump_tclass, NULL);
 
         return 0;
 }
diff --git a/net/sched/sch_atm.c b/net/sched/sch_atm.c
index 3f08158b8688..e25e49061a0d 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -5,6 +5,7 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/init.h>
+#include <linux/interrupt.h>
 #include <linux/string.h>
 #include <linux/errno.h>
 #include <linux/skbuff.h>
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index 06afbaeb4c88..3422b25df9e4 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -181,7 +181,7 @@ static bool choke_match_flow(struct sk_buff *skb1,
                     ip1->saddr != ip2->saddr || ip1->daddr != ip2->daddr)
                         return false;
 
-                if ((ip1->frag_off | ip2->frag_off) & htons(IP_MF | IP_OFFSET))
+                if (ip_is_fragment(ip1) | ip_is_fragment(ip2))
                         ip_proto = 0;
                 off1 += ip1->ihl * 4;
                 off2 += ip2->ihl * 4;
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index b1721d71c27c..d253c16a314c 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -189,15 +189,17 @@ static inline int qdisc_restart(struct Qdisc *q)
 
 void __qdisc_run(struct Qdisc *q)
 {
-        unsigned long start_time = jiffies;
+        int quota = weight_p;
+        int work = 0;
 
         while (qdisc_restart(q)) {
+                work++;
                 /*
-                 * Postpone processing if
-                 * 1. another process needs the CPU;
-                 * 2. we've been doing it for too long.
+                 * Ordered by possible occurrence: Postpone processing if
+                 * 1. we've exceeded packet quota
+                 * 2. another process needs the CPU;
                  */
-                if (need_resched() || jiffies != start_time) {
+                if (work >= quota || need_resched()) {
                         __netif_schedule(q);
                         break;
                 }
@@ -251,9 +253,8 @@ static void dev_watchdog(unsigned long arg)
                         }
 
                         if (some_queue_timedout) {
-                                char drivername[64];
                                 WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit queue %u timed out\n",
-                                       dev->name, netdev_drivername(dev, drivername, 64), i);
+                                       dev->name, netdev_drivername(dev), i);
                                 dev->netdev_ops->ndo_tx_timeout(dev);
                         }
                         if (!mod_timer(&dev->watchdog_timer,
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 69c35f6cd13f..eb3b9a86c6ed 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -13,6 +13,7 @@
  *              Catalin(ux aka Dino) BOIE <catab at umbrella dot ro>
  */
 
+#include <linux/mm.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/types.h>
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index b6ea6afa55b0..4536ee64383e 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -157,7 +157,7 @@ static unsigned int sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
                 iph = ip_hdr(skb);
                 h = (__force u32)iph->daddr;
                 h2 = (__force u32)iph->saddr ^ iph->protocol;
-                if (iph->frag_off & htons(IP_MF | IP_OFFSET))
+                if (ip_is_fragment(iph))
                         break;
                 poff = proto_ports_offset(iph->protocol);
                 if (poff >= 0 &&
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 525f97c467e9..dc16b90ddb6f 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -280,6 +280,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
         asoc->peer.asconf_capable = 0;
         if (sctp_addip_noauth)
                 asoc->peer.asconf_capable = 1;
+        asoc->asconf_addr_del_pending = NULL;
+        asoc->src_out_of_asoc_ok = 0;
 
         /* Create an input queue.  */
         sctp_inq_init(&asoc->base.inqueue);
@@ -444,15 +446,11 @@ void sctp_association_free(struct sctp_association *asoc)
 
         asoc->peer.transport_count = 0;
 
-        /* Free any cached ASCONF_ACK chunk. */
-        sctp_assoc_free_asconf_acks(asoc);
-
-        /* Free the ASCONF queue. */
-        sctp_assoc_free_asconf_queue(asoc);
+        sctp_asconf_queue_teardown(asoc);
 
-        /* Free any cached ASCONF chunk. */
-        if (asoc->addip_last_asconf)
-                sctp_chunk_free(asoc->addip_last_asconf);
+        /* Free pending address space being deleted */
+        if (asoc->asconf_addr_del_pending != NULL)
+                kfree(asoc->asconf_addr_del_pending);
 
         /* AUTH - Free the endpoint shared keys */
         sctp_auth_destroy_keys(&asoc->endpoint_shared_keys);
@@ -1646,3 +1644,16 @@ struct sctp_chunk *sctp_assoc_lookup_asconf_ack(
 
         return NULL;
 }
+
+void sctp_asconf_queue_teardown(struct sctp_association *asoc)
+{
+        /* Free any cached ASCONF_ACK chunk. */
+        sctp_assoc_free_asconf_acks(asoc);
+
+        /* Free the ASCONF queue. */
+        sctp_assoc_free_asconf_queue(asoc);
+
+        /* Free any cached ASCONF chunk. */
+        if (asoc->addip_last_asconf)
+                sctp_chunk_free(asoc->addip_last_asconf);
+}
diff --git a/net/sctp/bind_addr.c b/net/sctp/bind_addr.c
index 83e3011c19ca..4ece451c8d27 100644
--- a/net/sctp/bind_addr.c
+++ b/net/sctp/bind_addr.c
@@ -430,7 +430,7 @@ union sctp_addr *sctp_find_unmatch_addr(struct sctp_bind_addr	*bp,
         list_for_each_entry(laddr, &bp->address_list, list) {
                 addr_buf = (union sctp_addr *)addrs;
                 for (i = 0; i < addrcnt; i++) {
-                        addr = (union sctp_addr *)addr_buf;
+                        addr = addr_buf;
                         af = sctp_get_af_specific(addr->v4.sin_family);
                         if (!af)
                                 break;
@@ -534,6 +534,21 @@ int sctp_in_scope(const union sctp_addr *addr, sctp_scope_t scope)
         return 0;
 }
 
+int sctp_is_ep_boundall(struct sock *sk)
+{
+        struct sctp_bind_addr *bp;
+        struct sctp_sockaddr_entry *addr;
+
+        bp = &sctp_sk(sk)->ep->base.bind_addr;
+        if (sctp_list_single_entry(&bp->address_list)) {
+                addr = list_entry(bp->address_list.next,
+                                  struct sctp_sockaddr_entry, list);
+                if (sctp_is_any(sk, &addr->a))
+                        return 1;
+        }
+        return 0;
+}
+
 /********************************************************************
  * 3rd Level Abstractions
  ********************************************************************/
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 741ed1648838..b7692aab6e9c 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -510,8 +510,7 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
          * discard the packet.
          */
         if (vtag == 0) {
-                chunkhdr = (struct sctp_init_chunk *)((void *)sctphdr
-                                + sizeof(struct sctphdr));
+                chunkhdr = (void *)sctphdr + sizeof(struct sctphdr);
                 if (len < sizeof(struct sctphdr) + sizeof(sctp_chunkhdr_t)
                           + sizeof(__be32) ||
                     chunkhdr->chunk_hdr.type != SCTP_CID_INIT ||
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 0bb0d7cb9f10..aabaee41dd3e 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -112,6 +112,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
                         addr->valid = 1;
                         spin_lock_bh(&sctp_local_addr_lock);
                         list_add_tail_rcu(&addr->list, &sctp_local_addr_list);
+                        sctp_addr_wq_mgmt(addr, SCTP_ADDR_NEW);
                         spin_unlock_bh(&sctp_local_addr_lock);
                 }
                 break;
@@ -122,6 +123,7 @@ static int sctp_inet6addr_event(struct notifier_block *this, unsigned long ev,
                         if (addr->a.sa.sa_family == AF_INET6 &&
                                         ipv6_addr_equal(&addr->a.v6.sin6_addr,
                                                 &ifa->addr)) {
+                                sctp_addr_wq_mgmt(addr, SCTP_ADDR_DEL);
                                 found = 1;
                                 addr->valid = 0;
                                 list_del_rcu(&addr->list);
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 1c88c8911dc5..a6d27bf563a5 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -754,6 +754,16 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
          */
 
         list_for_each_entry_safe(chunk, tmp, &q->control_chunk_list, list) {
+                /* RFC 5061, 5.3
+                 * F1) This means that until such time as the ASCONF
+                 * containing the add is acknowledged, the sender MUST
+                 * NOT use the new IP address as a source for ANY SCTP
+                 * packet except on carrying an ASCONF Chunk.
+                 */
+                if (asoc->src_out_of_asoc_ok &&
+                    chunk->chunk_hdr->type != SCTP_CID_ASCONF)
+                        continue;
+
                 list_del_init(&chunk->list);
 
                 /* Pick the right transport to use. */
@@ -881,6 +891,9 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
                 }
         }
 
+        if (q->asoc->src_out_of_asoc_ok)
+                goto sctp_flush_out;
+
         /* Is it OK to send data chunks?  */
         switch (asoc->state) {
         case SCTP_STATE_COOKIE_ECHOED:
@@ -1582,6 +1595,8 @@ static void sctp_check_transmitted(struct sctp_outq *q,
 #endif /* SCTP_DEBUG */
         if (transport) {
                 if (bytes_acked) {
+                        struct sctp_association *asoc = transport->asoc;
+
                         /* We may have counted DATA that was migrated
                          * to this transport due to DEL-IP operation.
                          * Subtract those bytes, since the were never
@@ -1600,6 +1615,17 @@ static void sctp_check_transmitted(struct sctp_outq *q,
                         transport->error_count = 0;
                         transport->asoc->overall_error_count = 0;
 
+                        /*
+                         * While in SHUTDOWN PENDING, we may have started
+                         * the T5 shutdown guard timer after reaching the
+                         * retransmission limit. Stop that timer as soon
+                         * as the receiver acknowledged any data.
+                         */
+                        if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING &&
+                            del_timer(&asoc->timers
+                                [SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD]))
+                                        sctp_association_put(asoc);
+
                         /* Mark the destination transport address as
                          * active if it is not so marked.
                          */
@@ -1629,10 +1655,15 @@ static void sctp_check_transmitted(struct sctp_outq *q,
                          * A sender is doing zero window probing when the
                          * receiver's advertised window is zero, and there is
                          * only one data chunk in flight to the receiver.
+                         *
+                         * Allow the association to timeout while in SHUTDOWN
+                         * PENDING or SHUTDOWN RECEIVED in case the receiver
+                         * stays in zero window mode forever.
                          */
                         if (!q->asoc->peer.rwnd &&
                             !list_empty(&tlist) &&
-                            (sack_ctsn+2 == q->asoc->next_tsn)) {
+                            (sack_ctsn+2 == q->asoc->next_tsn) &&
+                            q->asoc->state < SCTP_STATE_SHUTDOWN_PENDING) {
                                 SCTP_DEBUG_PRINTK("%s: SACK received for zero "
                                                   "window probe: %u\n",
                                                   __func__, sack_ctsn);
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 67380a29e2e9..91784f44a2e2 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -503,7 +503,9 @@ static void sctp_v4_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
                 sctp_v4_dst_saddr(&dst_saddr, fl4, htons(bp->port));
                 rcu_read_lock();
                 list_for_each_entry_rcu(laddr, &bp->address_list, list) {
-                        if (!laddr->valid || (laddr->state != SCTP_ADDR_SRC))
+                        if (!laddr->valid || (laddr->state == SCTP_ADDR_DEL) ||
+                            (laddr->state != SCTP_ADDR_SRC &&
+                            !asoc->src_out_of_asoc_ok))
                                 continue;
                         if (sctp_v4_cmp_addr(&dst_saddr, &laddr->a))
                                 goto out_unlock;
@@ -623,6 +625,143 @@ static void sctp_v4_ecn_capable(struct sock *sk)
         INET_ECN_xmit(sk);
 }
 
+void sctp_addr_wq_timeout_handler(unsigned long arg)
+{
+        struct sctp_sockaddr_entry *addrw, *temp;
+        struct sctp_sock *sp;
+
+        spin_lock_bh(&sctp_addr_wq_lock);
+
+        list_for_each_entry_safe(addrw, temp, &sctp_addr_waitq, list) {
+                SCTP_DEBUG_PRINTK_IPADDR("sctp_addrwq_timo_handler: the first ent in wq %p is ",
+                    " for cmd %d at entry %p\n", &sctp_addr_waitq, &addrw->a, addrw->state,
+                    addrw);
+
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+                /* Now we send an ASCONF for each association */
+                /* Note. we currently don't handle link local IPv6 addressees */
+                if (addrw->a.sa.sa_family == AF_INET6) {
+                        struct in6_addr *in6;
+
+                        if (ipv6_addr_type(&addrw->a.v6.sin6_addr) &
+                            IPV6_ADDR_LINKLOCAL)
+                                goto free_next;
+
+                        in6 = (struct in6_addr *)&addrw->a.v6.sin6_addr;
+                        if (ipv6_chk_addr(&init_net, in6, NULL, 0) == 0 &&
+                            addrw->state == SCTP_ADDR_NEW) {
+                                unsigned long timeo_val;
+
+                                SCTP_DEBUG_PRINTK("sctp_timo_handler: this is on DAD, trying %d sec later\n",
+                                    SCTP_ADDRESS_TICK_DELAY);
+                                timeo_val = jiffies;
+                                timeo_val += msecs_to_jiffies(SCTP_ADDRESS_TICK_DELAY);
+                                mod_timer(&sctp_addr_wq_timer, timeo_val);
+                                break;
+                        }
+                }
+#endif
+                list_for_each_entry(sp, &sctp_auto_asconf_splist, auto_asconf_list) {
+                        struct sock *sk;
+
+                        sk = sctp_opt2sk(sp);
+                        /* ignore bound-specific endpoints */
+                        if (!sctp_is_ep_boundall(sk))
+                                continue;
+                        sctp_bh_lock_sock(sk);
+                        if (sctp_asconf_mgmt(sp, addrw) < 0)
+                                SCTP_DEBUG_PRINTK("sctp_addrwq_timo_handler: sctp_asconf_mgmt failed\n");
+                        sctp_bh_unlock_sock(sk);
+                }
+free_next:
+                list_del(&addrw->list);
+                kfree(addrw);
+        }
+        spin_unlock_bh(&sctp_addr_wq_lock);
+}
+
+static void sctp_free_addr_wq(void)
+{
+        struct sctp_sockaddr_entry *addrw;
+        struct sctp_sockaddr_entry *temp;
+
+        spin_lock_bh(&sctp_addr_wq_lock);
+        del_timer(&sctp_addr_wq_timer);
+        list_for_each_entry_safe(addrw, temp, &sctp_addr_waitq, list) {
+                list_del(&addrw->list);
+                kfree(addrw);
+        }
+        spin_unlock_bh(&sctp_addr_wq_lock);
+}
+
+/* lookup the entry for the same address in the addr_waitq
+ * sctp_addr_wq MUST be locked
+ */
+static struct sctp_sockaddr_entry *sctp_addr_wq_lookup(struct sctp_sockaddr_entry *addr)
+{
+        struct sctp_sockaddr_entry *addrw;
+
+        list_for_each_entry(addrw, &sctp_addr_waitq, list) {
+                if (addrw->a.sa.sa_family != addr->a.sa.sa_family)
+                        continue;
+                if (addrw->a.sa.sa_family == AF_INET) {
+                        if (addrw->a.v4.sin_addr.s_addr ==
+                            addr->a.v4.sin_addr.s_addr)
+                                return addrw;
+                } else if (addrw->a.sa.sa_family == AF_INET6) {
+                        if (ipv6_addr_equal(&addrw->a.v6.sin6_addr,
+                            &addr->a.v6.sin6_addr))
+                                return addrw;
+                }
+        }
+        return NULL;
+}
+
+void sctp_addr_wq_mgmt(struct sctp_sockaddr_entry *addr, int cmd)
+{
+        struct sctp_sockaddr_entry *addrw;
+        unsigned long timeo_val;
+
+        /* first, we check if an opposite message already exist in the queue.
+         * If we found such message, it is removed.
+         * This operation is a bit stupid, but the DHCP client attaches the
+         * new address after a couple of addition and deletion of that address
+         */
+
+        spin_lock_bh(&sctp_addr_wq_lock);
+        /* Offsets existing events in addr_wq */
+        addrw = sctp_addr_wq_lookup(addr);
+        if (addrw) {
+                if (addrw->state != cmd) {
+                        SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt offsets existing entry for %d ",
+                            " in wq %p\n", addrw->state, &addrw->a,
+                            &sctp_addr_waitq);
+                        list_del(&addrw->list);
+                        kfree(addrw);
+                }
+                spin_unlock_bh(&sctp_addr_wq_lock);
+                return;
+        }
+
+        /* OK, we have to add the new address to the wait queue */
+        addrw = kmemdup(addr, sizeof(struct sctp_sockaddr_entry), GFP_ATOMIC);
+        if (addrw == NULL) {
+                spin_unlock_bh(&sctp_addr_wq_lock);
+                return;
+        }
+        addrw->state = cmd;
+        list_add_tail(&addrw->list, &sctp_addr_waitq);
+        SCTP_DEBUG_PRINTK_IPADDR("sctp_addr_wq_mgmt add new entry for cmd:%d ",
+            " in wq %p\n", addrw->state, &addrw->a, &sctp_addr_waitq);
+
+        if (!timer_pending(&sctp_addr_wq_timer)) {
+                timeo_val = jiffies;
+                timeo_val += msecs_to_jiffies(SCTP_ADDRESS_TICK_DELAY);
+                mod_timer(&sctp_addr_wq_timer, timeo_val);
+        }
+        spin_unlock_bh(&sctp_addr_wq_lock);
+}
+
 /* Event handler for inet address addition/deletion events.
  * The sctp_local_addr_list needs to be protocted by a spin lock since
  * multiple notifiers (say IPv4 and IPv6) may be running at the same
@@ -650,6 +789,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
                         addr->valid = 1;
                         spin_lock_bh(&sctp_local_addr_lock);
                         list_add_tail_rcu(&addr->list, &sctp_local_addr_list);
+                        sctp_addr_wq_mgmt(addr, SCTP_ADDR_NEW);
                         spin_unlock_bh(&sctp_local_addr_lock);
                 }
                 break;
@@ -660,6 +800,7 @@ static int sctp_inetaddr_event(struct notifier_block *this, unsigned long ev,
                         if (addr->a.sa.sa_family == AF_INET &&
                                         addr->a.v4.sin_addr.s_addr ==
                                         ifa->ifa_local) {
+                                sctp_addr_wq_mgmt(addr, SCTP_ADDR_DEL);
                                 found = 1;
                                 addr->valid = 0;
                                 list_del_rcu(&addr->list);
@@ -1058,7 +1199,6 @@ SCTP_STATIC __init int sctp_init(void)
         int status = -EINVAL;
         unsigned long goal;
         unsigned long limit;
-        unsigned long nr_pages;
         int max_share;
         int order;
 
@@ -1148,15 +1288,7 @@ SCTP_STATIC __init int sctp_init(void)
         /* Initialize handle used for association ids. */
         idr_init(&sctp_assocs_id);
 
-        /* Set the pressure threshold to be a fraction of global memory that
-         * is up to 1/2 at 256 MB, decreasing toward zero with the amount of
-         * memory, with a floor of 128 pages.
-         * Note this initializes the data in sctpv6_prot too
-         * Unabashedly stolen from tcp_init
-         */
-        nr_pages = totalram_pages - totalhigh_pages;
-        limit = min(nr_pages, 1UL<<(28-PAGE_SHIFT)) >> (20-PAGE_SHIFT);
-        limit = (limit * (nr_pages >> (20-PAGE_SHIFT))) >> (PAGE_SHIFT-11);
+        limit = nr_free_buffer_pages() / 8;
         limit = max(limit, 128UL);
         sysctl_sctp_mem[0] = limit / 4 * 3;
         sysctl_sctp_mem[1] = limit;
@@ -1242,6 +1374,7 @@ SCTP_STATIC __init int sctp_init(void)
         /* Disable ADDIP by default. */
         sctp_addip_enable = 0;
         sctp_addip_noauth = 0;
+        sctp_default_auto_asconf = 0;
 
         /* Enable PR-SCTP by default. */
         sctp_prsctp_enable = 1;
@@ -1266,6 +1399,13 @@ SCTP_STATIC __init int sctp_init(void)
         spin_lock_init(&sctp_local_addr_lock);
         sctp_get_local_addr_list();
 
+        /* Initialize the address event list */
+        INIT_LIST_HEAD(&sctp_addr_waitq);
+        INIT_LIST_HEAD(&sctp_auto_asconf_splist);
+        spin_lock_init(&sctp_addr_wq_lock);
+        sctp_addr_wq_timer.expires = 0;
+        setup_timer(&sctp_addr_wq_timer, sctp_addr_wq_timeout_handler, 0);
+
         status = sctp_v4_protosw_init();
 
         if (status)
@@ -1337,6 +1477,7 @@ SCTP_STATIC __exit void sctp_exit(void)
         /* Unregister with inet6/inet layers. */
         sctp_v6_del_protocol();
         sctp_v4_del_protocol();
+        sctp_free_addr_wq();
 
         /* Free the control endpoint.  */
         inet_ctl_sock_destroy(sctp_ctl_sock);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 58eb27fed4b4..81db4e385352 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2768,11 +2768,12 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
         int                     addr_param_len = 0;
         int                     totallen = 0;
         int                     i;
+        int                     del_pickup = 0;
 
         /* Get total length of all the address parameters. */
         addr_buf = addrs;
         for (i = 0; i < addrcnt; i++) {
-                addr = (union sctp_addr *)addr_buf;
+                addr = addr_buf;
                 af = sctp_get_af_specific(addr->v4.sin_family);
                 addr_param_len = af->to_addr_param(addr, &addr_param);
 
@@ -2780,6 +2781,13 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
                 totallen += addr_param_len;
 
                 addr_buf += af->sockaddr_len;
+                if (asoc->asconf_addr_del_pending && !del_pickup) {
+                        /* reuse the parameter length from the same scope one */
+                        totallen += paramlen;
+                        totallen += addr_param_len;
+                        del_pickup = 1;
+                        SCTP_DEBUG_PRINTK("mkasconf_update_ip: picked same-scope del_pending addr, totallen for all addresses is %d\n", totallen);
+                }
         }
 
         /* Create an asconf chunk with the required length. */
@@ -2790,7 +2798,7 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
         /* Add the address parameters to the asconf chunk. */
         addr_buf = addrs;
         for (i = 0; i < addrcnt; i++) {
-                addr = (union sctp_addr *)addr_buf;
+                addr = addr_buf;
                 af = sctp_get_af_specific(addr->v4.sin_family);
                 addr_param_len = af->to_addr_param(addr, &addr_param);
                 param.param_hdr.type = flags;
@@ -2802,6 +2810,17 @@ struct sctp_chunk *sctp_make_asconf_update_ip(struct sctp_association *asoc,
 
                 addr_buf += af->sockaddr_len;
         }
+        if (flags == SCTP_PARAM_ADD_IP && del_pickup) {
+                addr = asoc->asconf_addr_del_pending;
+                af = sctp_get_af_specific(addr->v4.sin_family);
+                addr_param_len = af->to_addr_param(addr, &addr_param);
+                param.param_hdr.type = SCTP_PARAM_DEL_IP;
+                param.param_hdr.length = htons(paramlen + addr_param_len);
+                param.crr_id = i;
+
+                sctp_addto_chunk(retval, paramlen, &param);
+                sctp_addto_chunk(retval, addr_param_len, &addr_param);
+        }
         return retval;
 }
 
@@ -2939,8 +2958,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
         union sctp_addr addr;
         union sctp_addr_param *addr_param;
 
-        addr_param = (union sctp_addr_param *)
-                        ((void *)asconf_param + sizeof(sctp_addip_param_t));
+        addr_param = (void *)asconf_param + sizeof(sctp_addip_param_t);
 
         if (asconf_param->param_hdr.type != SCTP_PARAM_ADD_IP &&
             asconf_param->param_hdr.type != SCTP_PARAM_DEL_IP &&
@@ -3014,7 +3032,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
                  * an Error Cause TLV set to the new error code 'Request to
                  * Delete Source IP Address'
                  */
-                if (sctp_cmp_addr_exact(sctp_source(asconf), &addr))
+                if (sctp_cmp_addr_exact(&asconf->source, &addr))
                         return SCTP_ERROR_DEL_SRC_IP;
 
                 /* Section 4.2.2
@@ -3125,7 +3143,7 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
          * asconf parameter.
          */
         length = ntohs(addr_param->p.length);
-        asconf_param = (sctp_addip_param_t *)((void *)addr_param + length);
+        asconf_param = (void *)addr_param + length;
         chunk_len -= length;
 
         /* create an ASCONF_ACK chunk.
@@ -3166,8 +3184,7 @@ struct sctp_chunk *sctp_process_asconf(struct sctp_association *asoc,
 
                 /* Move to the next ASCONF param. */
                 length = ntohs(asconf_param->param_hdr.length);
-                asconf_param = (sctp_addip_param_t *)((void *)asconf_param +
-                                                      length);
+                asconf_param = (void *)asconf_param + length;
                 chunk_len -= length;
         }
 
@@ -3197,8 +3214,7 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
         struct sctp_transport *transport;
         struct sctp_sockaddr_entry *saddr;
 
-        addr_param = (union sctp_addr_param *)
-                        ((void *)asconf_param + sizeof(sctp_addip_param_t));
+        addr_param = (void *)asconf_param + sizeof(sctp_addip_param_t);
 
         /* We have checked the packet before, so we do not check again. */
         af = sctp_get_af_specific(param_type2af(addr_param->p.type));
@@ -3224,6 +3240,11 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
         case SCTP_PARAM_DEL_IP:
                 local_bh_disable();
                 sctp_del_bind_addr(bp, &addr);
+                if (asoc->asconf_addr_del_pending != NULL &&
+                    sctp_cmp_addr_exact(asoc->asconf_addr_del_pending, &addr)) {
+                        kfree(asoc->asconf_addr_del_pending);
+                        asoc->asconf_addr_del_pending = NULL;
+                }
                 local_bh_enable();
                 list_for_each_entry(transport, &asoc->peer.transport_addr_list,
                                 transports) {
@@ -3278,8 +3299,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
                                 return SCTP_ERROR_NO_ERROR;
                         case SCTP_PARAM_ERR_CAUSE:
                                 length = sizeof(sctp_addip_param_t);
-                                err_param = (sctp_errhdr_t *)
-                                           ((void *)asconf_ack_param + length);
+                                err_param = (void *)asconf_ack_param + length;
                                 asconf_ack_len -= length;
                                 if (asconf_ack_len > 0)
                                         return err_param->cause;
@@ -3292,8 +3312,7 @@ static __be16 sctp_get_asconf_response(struct sctp_chunk *asconf_ack,
                 }
 
                 length = ntohs(asconf_ack_param->param_hdr.length);
-                asconf_ack_param = (sctp_addip_param_t *)
-                                        ((void *)asconf_ack_param + length);
+                asconf_ack_param = (void *)asconf_ack_param + length;
                 asconf_ack_len -= length;
         }
 
@@ -3325,7 +3344,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
          * pointer to the first asconf parameter.
          */
         length = ntohs(addr_param->p.length);
-        asconf_param = (sctp_addip_param_t *)((void *)addr_param + length);
+        asconf_param = (void *)addr_param + length;
         asconf_len -= length;
 
         /* ADDIP 4.1
@@ -3376,11 +3395,13 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
                  * one.
                  */
                 length = ntohs(asconf_param->param_hdr.length);
-                asconf_param = (sctp_addip_param_t *)((void *)asconf_param +
-                                                      length);
+                asconf_param = (void *)asconf_param + length;
                 asconf_len -= length;
         }
 
+        if (no_err && asoc->src_out_of_asoc_ok)
+                asoc->src_out_of_asoc_ok = 0;
+
         /* Free the cached last sent asconf chunk. */
         list_del_init(&asconf->transmitted_list);
         sctp_chunk_free(asconf);
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index d612ca1ca6c0..167c880cf8da 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -670,10 +670,19 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds,
         /* 8.3 Upon the receipt of the HEARTBEAT ACK, the sender of the
          * HEARTBEAT should clear the error counter of the destination
          * transport address to which the HEARTBEAT was sent.
-         * The association's overall error count is also cleared.
          */
         t->error_count = 0;
-        t->asoc->overall_error_count = 0;
+
+        /*
+         * Although RFC4960 specifies that the overall error count must
+         * be cleared when a HEARTBEAT ACK is received, we make an
+         * exception while in SHUTDOWN PENDING. If the peer keeps its
+         * window shut forever, we may never be able to transmit our
+         * outstanding data and rely on the retransmission limit be reached
+         * to shutdown the association.
+         */
+        if (t->asoc->state != SCTP_STATE_SHUTDOWN_PENDING)
+                t->asoc->overall_error_count = 0;
 
         /* Clear the hb_sent flag to signal that we had a good
          * acknowledgement.
@@ -1201,7 +1210,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
         int local_cork = 0;
 
         if (SCTP_EVENT_T_TIMEOUT != event_type)
-                chunk = (struct sctp_chunk *) event_arg;
+                chunk = event_arg;
 
         /* Note:  This whole file is a huge candidate for rework.
          * For example, each command could either have its own handler, so
@@ -1437,6 +1446,13 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
                         sctp_cmd_setup_t2(commands, asoc, cmd->obj.ptr);
                         break;
 
+                case SCTP_CMD_TIMER_START_ONCE:
+                        timer = &asoc->timers[cmd->obj.to];
+
+                        if (timer_pending(timer))
+                                break;
+                        /* fall through */
+
                 case SCTP_CMD_TIMER_START:
                         timer = &asoc->timers[cmd->obj.to];
                         timeout = asoc->timeouts[cmd->obj.to];
@@ -1670,6 +1686,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
                 case SCTP_CMD_SEND_NEXT_ASCONF:
                         sctp_cmd_send_asconf(asoc);
                         break;
+                case SCTP_CMD_PURGE_ASCONF_QUEUE:
+                        sctp_asconf_queue_teardown(asoc);
+                        break;
                 default:
                         pr_warn("Impossible command: %u, %p\n",
                                 cmd->verb, cmd->obj.ptr);
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 7f4a4f8368ee..49b847b00f99 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1718,11 +1718,21 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep,
                 return SCTP_DISPOSITION_CONSUME;
         }
 
-        /* For now, fail any unsent/unacked data.  Consider the optional
-         * choice of resending of this data.
+        /* For now, stop pending T3-rtx and SACK timers, fail any unsent/unacked
+         * data. Consider the optional choice of resending of this data.
          */
+        sctp_add_cmd_sf(commands, SCTP_CMD_T3_RTX_TIMERS_STOP, SCTP_NULL());
+        sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
+                        SCTP_TO(SCTP_EVENT_TIMEOUT_SACK));
         sctp_add_cmd_sf(commands, SCTP_CMD_PURGE_OUTQUEUE, SCTP_NULL());
 
+        /* Stop pending T4-rto timer, teardown ASCONF queue, ASCONF-ACK queue
+         * and ASCONF-ACK cache.
+         */
+        sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP,
+                        SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO));
+        sctp_add_cmd_sf(commands, SCTP_CMD_PURGE_ASCONF_QUEUE, SCTP_NULL());
+
         repl = sctp_make_cookie_ack(new_asoc, chunk);
         if (!repl)
                 goto nomem;
@@ -3998,31 +4008,32 @@ sctp_disposition_t sctp_sf_eat_auth(const struct sctp_endpoint *ep,
         auth_hdr = (struct sctp_authhdr *)chunk->skb->data;
         error = sctp_sf_authenticate(ep, asoc, type, chunk);
         switch (error) {
-                case SCTP_IERROR_AUTH_BAD_HMAC:
-                        /* Generate the ERROR chunk and discard the rest
-                         * of the packet
-                         */
-                        err_chunk = sctp_make_op_error(asoc, chunk,
-                                                        SCTP_ERROR_UNSUP_HMAC,
-                                                        &auth_hdr->hmac_id,
-                                                        sizeof(__u16), 0);
-                        if (err_chunk) {
-                                sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
-                                                SCTP_CHUNK(err_chunk));
-                        }
-                        /* Fall Through */
-                case SCTP_IERROR_AUTH_BAD_KEYID:
-                case SCTP_IERROR_BAD_SIG:
-                        return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
-                        break;
-                case SCTP_IERROR_PROTO_VIOLATION:
-                        return sctp_sf_violation_chunklen(ep, asoc, type, arg,
-                                                          commands);
-                        break;
-                case SCTP_IERROR_NOMEM:
-                        return SCTP_DISPOSITION_NOMEM;
-                default:
-                        break;
+        case SCTP_IERROR_AUTH_BAD_HMAC:
+                /* Generate the ERROR chunk and discard the rest
+                 * of the packet
+                 */
+                err_chunk = sctp_make_op_error(asoc, chunk,
+                                               SCTP_ERROR_UNSUP_HMAC,
+                                               &auth_hdr->hmac_id,
+                                               sizeof(__u16), 0);
+                if (err_chunk) {
+                        sctp_add_cmd_sf(commands, SCTP_CMD_REPLY,
+                                        SCTP_CHUNK(err_chunk));
+                }
+                /* Fall Through */
+        case SCTP_IERROR_AUTH_BAD_KEYID:
+        case SCTP_IERROR_BAD_SIG:
+                return sctp_sf_pdiscard(ep, asoc, type, arg, commands);
+
+        case SCTP_IERROR_PROTO_VIOLATION:
+                return sctp_sf_violation_chunklen(ep, asoc, type, arg,
+                                                  commands);
+
+        case SCTP_IERROR_NOMEM:
+                return SCTP_DISPOSITION_NOMEM;
+
+        default:                        /* Prevent gcc warnings */
+                break;
         }
 
         if (asoc->active_key_id != ntohs(auth_hdr->shkey_id)) {
@@ -5144,7 +5155,7 @@ sctp_disposition_t sctp_sf_do_9_2_start_shutdown(
          * The sender of the SHUTDOWN MAY also start an overall guard timer
          * 'T5-shutdown-guard' to bound the overall time for shutdown sequence.
          */
-        sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START,
+        sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
                         SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
 
         if (asoc->autoclose)
@@ -5289,14 +5300,28 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
         SCTP_INC_STATS(SCTP_MIB_T3_RTX_EXPIREDS);
 
         if (asoc->overall_error_count >= asoc->max_retrans) {
-                sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
-                                SCTP_ERROR(ETIMEDOUT));
-                /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
-                sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
-                                SCTP_PERR(SCTP_ERROR_NO_ERROR));
-                SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
-                SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
-                return SCTP_DISPOSITION_DELETE_TCB;
+                if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
+                        /*
+                         * We are here likely because the receiver had its rwnd
+                         * closed for a while and we have not been able to
+                         * transmit the locally queued data within the maximum
+                         * retransmission attempts limit.  Start the T5
+                         * shutdown guard timer to give the receiver one last
+                         * chance and some additional time to recover before
+                         * aborting.
+                         */
+                        sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_START_ONCE,
+                                SCTP_TO(SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD));
+                } else {
+                        sctp_add_cmd_sf(commands, SCTP_CMD_SET_SK_ERR,
+                                        SCTP_ERROR(ETIMEDOUT));
+                        /* CMD_ASSOC_FAILED calls CMD_DELETE_TCB. */
+                        sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_FAILED,
+                                        SCTP_PERR(SCTP_ERROR_NO_ERROR));
+                        SCTP_INC_STATS(SCTP_MIB_ABORTEDS);
+                        SCTP_DEC_STATS(SCTP_MIB_CURRESTAB);
+                        return SCTP_DISPOSITION_DELETE_TCB;
+                }
         }
 
         /* E1) For the destination address for which the timer
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 0338dc6fdc9d..7c211a7f90f4 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -827,7 +827,7 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_
         /* SCTP_STATE_ESTABLISHED */ \
         TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
         /* SCTP_STATE_SHUTDOWN_PENDING */ \
-        TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \
+        TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
         /* SCTP_STATE_SHUTDOWN_SENT */ \
         TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \
         /* SCTP_STATE_SHUTDOWN_RECEIVED */ \
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 6766913a53e6..836aa63ee121 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -476,7 +476,7 @@ static int sctp_bindx_add(struct sock *sk, struct sockaddr *addrs, int addrcnt)
                 /* The list may contain either IPv4 or IPv6 address;
                  * determine the address length for walking thru the list.
                  */
-                sa_addr = (struct sockaddr *)addr_buf;
+                sa_addr = addr_buf;
                 af = sctp_get_af_specific(sa_addr->sa_family);
                 if (!af) {
                         retval = -EINVAL;
@@ -555,7 +555,7 @@ static int sctp_send_asconf_add_ip(struct sock		*sk,
                  */
                 addr_buf = addrs;
                 for (i = 0; i < addrcnt; i++) {
-                        addr = (union sctp_addr *)addr_buf;
+                        addr = addr_buf;
                         af = sctp_get_af_specific(addr->v4.sin_family);
                         if (!af) {
                                 retval = -EINVAL;
@@ -583,22 +583,35 @@ static int sctp_send_asconf_add_ip(struct sock		*sk,
                         goto out;
                 }
 
-                retval = sctp_send_asconf(asoc, chunk);
-                if (retval)
-                        goto out;
-
                 /* Add the new addresses to the bind address list with
                  * use_as_src set to 0.
                  */
                 addr_buf = addrs;
                 for (i = 0; i < addrcnt; i++) {
-                        addr = (union sctp_addr *)addr_buf;
+                        addr = addr_buf;
                         af = sctp_get_af_specific(addr->v4.sin_family);
                         memcpy(&saveaddr, addr, af->sockaddr_len);
                         retval = sctp_add_bind_addr(bp, &saveaddr,
                                                     SCTP_ADDR_NEW, GFP_ATOMIC);
                         addr_buf += af->sockaddr_len;
                 }
+                if (asoc->src_out_of_asoc_ok) {
+                        struct sctp_transport *trans;
+
+                        list_for_each_entry(trans,
+                            &asoc->peer.transport_addr_list, transports) {
+                                /* Clear the source and route cache */
+                                dst_release(trans->dst);
+                                trans->cwnd = min(4*asoc->pathmtu, max_t(__u32,
+                                    2*asoc->pathmtu, 4380));
+                                trans->ssthresh = asoc->peer.i.a_rwnd;
+                                trans->rto = asoc->rto_initial;
+                                trans->rtt = trans->srtt = trans->rttvar = 0;
+                                sctp_transport_route(trans, NULL,
+                                    sctp_sk(asoc->base.sk));
+                        }
+                }
+                retval = sctp_send_asconf(asoc, chunk);
         }
 
 out:
@@ -646,7 +659,7 @@ static int sctp_bindx_rem(struct sock *sk, struct sockaddr *addrs, int addrcnt)
                         goto err_bindx_rem;
                 }
 
-                sa_addr = (union sctp_addr *)addr_buf;
+                sa_addr = addr_buf;
                 af = sctp_get_af_specific(sa_addr->sa.sa_family);
                 if (!af) {
                         retval = -EINVAL;
@@ -715,7 +728,9 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
         struct sctp_sockaddr_entry *saddr;
         int                     i;
         int                     retval = 0;
+        int                     stored = 0;
 
+        chunk = NULL;
         if (!sctp_addip_enable)
                 return retval;
 
@@ -743,7 +758,7 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
                  */
                 addr_buf = addrs;
                 for (i = 0; i < addrcnt; i++) {
-                        laddr = (union sctp_addr *)addr_buf;
+                        laddr = addr_buf;
                         af = sctp_get_af_specific(laddr->v4.sin_family);
                         if (!af) {
                                 retval = -EINVAL;
@@ -766,8 +781,37 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
                 bp = &asoc->base.bind_addr;
                 laddr = sctp_find_unmatch_addr(bp, (union sctp_addr *)addrs,
                                                addrcnt, sp);
-                if (!laddr)
-                        continue;
+                if ((laddr == NULL) && (addrcnt == 1)) {
+                        if (asoc->asconf_addr_del_pending)
+                                continue;
+                        asoc->asconf_addr_del_pending =
+                            kzalloc(sizeof(union sctp_addr), GFP_ATOMIC);
+                        if (asoc->asconf_addr_del_pending == NULL) {
+                                retval = -ENOMEM;
+                                goto out;
+                        }
+                        asoc->asconf_addr_del_pending->sa.sa_family =
+                                    addrs->sa_family;
+                        asoc->asconf_addr_del_pending->v4.sin_port =
+                                    htons(bp->port);
+                        if (addrs->sa_family == AF_INET) {
+                                struct sockaddr_in *sin;
+
+                                sin = (struct sockaddr_in *)addrs;
+                                asoc->asconf_addr_del_pending->v4.sin_addr.s_addr = sin->sin_addr.s_addr;
+                        } else if (addrs->sa_family == AF_INET6) {
+                                struct sockaddr_in6 *sin6;
+
+                                sin6 = (struct sockaddr_in6 *)addrs;
+                                ipv6_addr_copy(&asoc->asconf_addr_del_pending->v6.sin6_addr, &sin6->sin6_addr);
+                        }
+                        SCTP_DEBUG_PRINTK_IPADDR("send_asconf_del_ip: keep the last address asoc: %p ",
+                            " at %p\n", asoc, asoc->asconf_addr_del_pending,
+                            asoc->asconf_addr_del_pending);
+                        asoc->src_out_of_asoc_ok = 1;
+                        stored = 1;
+                        goto skip_mkasconf;
+                }
 
                 /* We do not need RCU protection throughout this loop
                  * because this is done under a socket lock from the
@@ -780,12 +824,13 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
                         goto out;
                 }
 
+skip_mkasconf:
                 /* Reset use_as_src flag for the addresses in the bind address
                  * list that are to be deleted.
                  */
                 addr_buf = addrs;
                 for (i = 0; i < addrcnt; i++) {
-                        laddr = (union sctp_addr *)addr_buf;
+                        laddr = addr_buf;
                         af = sctp_get_af_specific(laddr->v4.sin_family);
                         list_for_each_entry(saddr, &bp->address_list, list) {
                                 if (sctp_cmp_addr_exact(&saddr->a, laddr))
@@ -805,12 +850,37 @@ static int sctp_send_asconf_del_ip(struct sock		*sk,
                                              sctp_sk(asoc->base.sk));
                 }
 
+                if (stored)
+                        /* We don't need to transmit ASCONF */
+                        continue;
                 retval = sctp_send_asconf(asoc, chunk);
         }
 out:
         return retval;
 }
 
+/* set addr events to assocs in the endpoint.  ep and addr_wq must be locked */
+int sctp_asconf_mgmt(struct sctp_sock *sp, struct sctp_sockaddr_entry *addrw)
+{
+        struct sock *sk = sctp_opt2sk(sp);
+        union sctp_addr *addr;
+        struct sctp_af *af;
+
+        /* It is safe to write port space in caller. */
+        addr = &addrw->a;
+        addr->v4.sin_port = htons(sp->ep->base.bind_addr.port);
+        af = sctp_get_af_specific(addr->sa.sa_family);
+        if (!af)
+                return -EINVAL;
+        if (sctp_verify_addr(sk, addr, af->sockaddr_len))
+                return -EINVAL;
+
+        if (addrw->state == SCTP_ADDR_NEW)
+                return sctp_send_asconf_add_ip(sk, (struct sockaddr *)addr, 1);
+        else
+                return sctp_send_asconf_del_ip(sk, (struct sockaddr *)addr, 1);
+}
+
 /* Helper for tunneling sctp_bindx() requests through sctp_setsockopt()
  *
  * API 8.1
@@ -927,7 +997,7 @@ SCTP_STATIC int sctp_setsockopt_bindx(struct sock* sk,
                         return -EINVAL;
                 }
 
-                sa_addr = (struct sockaddr *)addr_buf;
+                sa_addr = addr_buf;
                 af = sctp_get_af_specific(sa_addr->sa_family);
 
                 /* If the address family is not supported or if this address
@@ -1018,7 +1088,7 @@ static int __sctp_connect(struct sock* sk,
                         goto out_free;
                 }
 
-                sa_addr = (union sctp_addr *)addr_buf;
+                sa_addr = addr_buf;
                 af = sctp_get_af_specific(sa_addr->sa.sa_family);
 
                 /* If the address family is not supported or if this address
@@ -1384,6 +1454,7 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
         struct sctp_endpoint *ep;
         struct sctp_association *asoc;
         struct list_head *pos, *temp;
+        unsigned int data_was_unread;
 
         SCTP_DEBUG_PRINTK("sctp_close(sk: 0x%p, timeout:%ld)\n", sk, timeout);
 
@@ -1393,6 +1464,10 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
 
         ep = sctp_sk(sk)->ep;
 
+        /* Clean up any skbs sitting on the receive queue.  */
+        data_was_unread = sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
+        data_was_unread += sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
+
         /* Walk all associations on an endpoint.  */
         list_for_each_safe(pos, temp, &ep->asocs) {
                 asoc = list_entry(pos, struct sctp_association, asocs);
@@ -1410,7 +1485,9 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
                         }
                 }
 
-                if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) {
+                if (data_was_unread || !skb_queue_empty(&asoc->ulpq.lobby) ||
+                    !skb_queue_empty(&asoc->ulpq.reasm) ||
+                    (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) {
                         struct sctp_chunk *chunk;
 
                         chunk = sctp_make_abort_user(asoc, NULL, 0);
@@ -1420,10 +1497,6 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
                         sctp_primitive_SHUTDOWN(asoc, NULL);
         }
 
-        /* Clean up any skbs sitting on the receive queue.  */
-        sctp_queue_purge_ulpevents(&sk->sk_receive_queue);
-        sctp_queue_purge_ulpevents(&sctp_sk(sk)->pd_lobby);
-
         /* On a TCP-style socket, block for at most linger_time if set. */
         if (sctp_style(sk, TCP) && timeout)
                 sctp_wait_for_close(sk, timeout);
@@ -2073,10 +2146,33 @@ static int sctp_setsockopt_disable_fragments(struct sock *sk,
 static int sctp_setsockopt_events(struct sock *sk, char __user *optval,
                                   unsigned int optlen)
 {
+        struct sctp_association *asoc;
+        struct sctp_ulpevent *event;
+
         if (optlen > sizeof(struct sctp_event_subscribe))
                 return -EINVAL;
         if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen))
                 return -EFAULT;
+
+        /*
+         * At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT,
+         * if there is no data to be sent or retransmit, the stack will
+         * immediately send up this notification.
+         */
+        if (sctp_ulpevent_type_enabled(SCTP_SENDER_DRY_EVENT,
+                                       &sctp_sk(sk)->subscribe)) {
+                asoc = sctp_id2assoc(sk, 0);
+
+                if (asoc && sctp_outq_is_empty(&asoc->outqueue)) {
+                        event = sctp_ulpevent_make_sender_dry_event(asoc,
+                                        GFP_ATOMIC);
+                        if (!event)
+                                return -ENOMEM;
+
+                        sctp_ulpq_tail_event(&asoc->ulpq, event);
+                }
+        }
+
         return 0;
 }
 
@@ -3187,11 +3283,11 @@ static int sctp_setsockopt_auth_chunk(struct sock *sk,
                 return -EFAULT;
 
         switch (val.sauth_chunk) {
-                case SCTP_CID_INIT:
-                case SCTP_CID_INIT_ACK:
-                case SCTP_CID_SHUTDOWN_COMPLETE:
-                case SCTP_CID_AUTH:
-                        return -EINVAL;
+        case SCTP_CID_INIT:
+        case SCTP_CID_INIT_ACK:
+        case SCTP_CID_SHUTDOWN_COMPLETE:
+        case SCTP_CID_AUTH:
+                return -EINVAL;
         }
 
         /* add this chunk id to the endpoint */
@@ -3334,6 +3430,46 @@ static int sctp_setsockopt_del_key(struct sock *sk,
 
 }
 
+/*
+ * 8.1.23 SCTP_AUTO_ASCONF
+ *
+ * This option will enable or disable the use of the automatic generation of
+ * ASCONF chunks to add and delete addresses to an existing association.  Note
+ * that this option has two caveats namely: a) it only affects sockets that
+ * are bound to all addresses available to the SCTP stack, and b) the system
+ * administrator may have an overriding control that turns the ASCONF feature
+ * off no matter what setting the socket option may have.
+ * This option expects an integer boolean flag, where a non-zero value turns on
+ * the option, and a zero value turns off the option.
+ * Note. In this implementation, socket operation overrides default parameter
+ * being set by sysctl as well as FreeBSD implementation
+ */
+static int sctp_setsockopt_auto_asconf(struct sock *sk, char __user *optval,
+                                        unsigned int optlen)
+{
+        int val;
+        struct sctp_sock *sp = sctp_sk(sk);
+
+        if (optlen < sizeof(int))
+                return -EINVAL;
+        if (get_user(val, (int __user *)optval))
+                return -EFAULT;
+        if (!sctp_is_ep_boundall(sk) && val)
+                return -EINVAL;
+        if ((val && sp->do_auto_asconf) || (!val && !sp->do_auto_asconf))
+                return 0;
+
+        if (val == 0 && sp->do_auto_asconf) {
+                list_del(&sp->auto_asconf_list);
+                sp->do_auto_asconf = 0;
+        } else if (val && !sp->do_auto_asconf) {
+                list_add_tail(&sp->auto_asconf_list,
+                    &sctp_auto_asconf_splist);
+                sp->do_auto_asconf = 1;
+        }
+        return 0;
+}
+
 
 /* API 6.2 setsockopt(), getsockopt()
  *
@@ -3481,6 +3617,9 @@ SCTP_STATIC int sctp_setsockopt(struct sock *sk, int level, int optname,
         case SCTP_AUTH_DELETE_KEY:
                 retval = sctp_setsockopt_del_key(sk, optval, optlen);
                 break;
+        case SCTP_AUTO_ASCONF:
+                retval = sctp_setsockopt_auto_asconf(sk, optval, optlen);
+                break;
         default:
                 retval = -ENOPROTOOPT;
                 break;
@@ -3763,6 +3902,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
         local_bh_disable();
         percpu_counter_inc(&sctp_sockets_allocated);
         sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+        if (sctp_default_auto_asconf) {
+                list_add_tail(&sp->auto_asconf_list,
+                    &sctp_auto_asconf_splist);
+                sp->do_auto_asconf = 1;
+        } else
+                sp->do_auto_asconf = 0;
         local_bh_enable();
 
         return 0;
@@ -3771,13 +3916,17 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
 /* Cleanup any SCTP per socket resources.  */
 SCTP_STATIC void sctp_destroy_sock(struct sock *sk)
 {
-        struct sctp_endpoint *ep;
+        struct sctp_sock *sp;
 
         SCTP_DEBUG_PRINTK("sctp_destroy_sock(sk: %p)\n", sk);
 
         /* Release our hold on the endpoint. */
-        ep = sctp_sk(sk)->ep;
-        sctp_endpoint_free(ep);
+        sp = sctp_sk(sk);
+        if (sp->do_auto_asconf) {
+                sp->do_auto_asconf = 0;
+                list_del(&sp->auto_asconf_list);
+        }
+        sctp_endpoint_free(sp->ep);
         local_bh_disable();
         percpu_counter_dec(&sctp_sockets_allocated);
         sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
@@ -5277,6 +5426,28 @@ static int sctp_getsockopt_assoc_number(struct sock *sk, int len,
 }
 
 /*
+ * 8.1.23 SCTP_AUTO_ASCONF
+ * See the corresponding setsockopt entry as description
+ */
+static int sctp_getsockopt_auto_asconf(struct sock *sk, int len,
+                                   char __user *optval, int __user *optlen)
+{
+        int val = 0;
+
+        if (len < sizeof(int))
+                return -EINVAL;
+
+        len = sizeof(int);
+        if (sctp_sk(sk)->do_auto_asconf && sctp_is_ep_boundall(sk))
+                val = 1;
+        if (put_user(len, optlen))
+                return -EFAULT;
+        if (copy_to_user(optval, &val, len))
+                return -EFAULT;
+        return 0;
+}
+
+/*
  * 8.2.6. Get the Current Identifiers of Associations
  *        (SCTP_GET_ASSOC_ID_LIST)
  *
@@ -5460,6 +5631,9 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
         case SCTP_GET_ASSOC_ID_LIST:
                 retval = sctp_getsockopt_assoc_ids(sk, len, optval, optlen);
                 break;
+        case SCTP_AUTO_ASCONF:
+                retval = sctp_getsockopt_auto_asconf(sk, len, optval, optlen);
+                break;
         default:
                 retval = -ENOPROTOOPT;
                 break;
@@ -6512,6 +6686,7 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
         struct sk_buff *skb, *tmp;
         struct sctp_ulpevent *event;
         struct sctp_bind_hashbucket *head;
+        struct list_head tmplist;
 
         /* Migrate socket buffer sizes and all the socket level options to the
          * new socket.
@@ -6519,7 +6694,12 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
         newsk->sk_sndbuf = oldsk->sk_sndbuf;
         newsk->sk_rcvbuf = oldsk->sk_rcvbuf;
         /* Brute force copy old sctp opt. */
-        inet_sk_copy_descendant(newsk, oldsk);
+        if (oldsp->do_auto_asconf) {
+                memcpy(&tmplist, &newsp->auto_asconf_list, sizeof(tmplist));
+                inet_sk_copy_descendant(newsk, oldsk);
+                memcpy(&newsp->auto_asconf_list, &tmplist, sizeof(tmplist));
+        } else
+                inet_sk_copy_descendant(newsk, oldsk);
 
         /* Restore the ep value that was overwritten with the above structure
          * copy.
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index 50cb57f0919e..6b3952961b85 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -183,6 +183,13 @@ static ctl_table sctp_table[] = {
                 .proc_handler   = proc_dointvec,
         },
         {
+                .procname       = "default_auto_asconf",
+                .data           = &sctp_default_auto_asconf,
+                .maxlen         = sizeof(int),
+                .mode           = 0644,
+                .proc_handler   = proc_dointvec,
+        },
+        {
                 .procname       = "prsctp_enable",
                 .data           = &sctp_prsctp_enable,
                 .maxlen         = sizeof(int),
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index e70e5fc87890..8a84017834c2 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -1081,9 +1081,19 @@ void sctp_ulpevent_free(struct sctp_ulpevent *event)
 }
 
 /* Purge the skb lists holding ulpevents. */
-void sctp_queue_purge_ulpevents(struct sk_buff_head *list)
+unsigned int sctp_queue_purge_ulpevents(struct sk_buff_head *list)
 {
         struct sk_buff *skb;
-        while ((skb = skb_dequeue(list)) != NULL)
-                sctp_ulpevent_free(sctp_skb2event(skb));
+        unsigned int data_unread = 0;
+
+        while ((skb = skb_dequeue(list)) != NULL) {
+                struct sctp_ulpevent *event = sctp_skb2event(skb);
+
+                if (!sctp_ulpevent_is_notification(event))
+                        data_unread += skb->len;
+
+                sctp_ulpevent_free(event);
+        }
+
+        return data_unread;
 }
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 67e31276682a..727e506cacda 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -326,10 +326,12 @@ rpcauth_prune_expired(struct list_head *free, int nr_to_scan)
  * Run memory cache shrinker.
  */
 static int
-rpcauth_cache_shrinker(struct shrinker *shrink, int nr_to_scan, gfp_t gfp_mask)
+rpcauth_cache_shrinker(struct shrinker *shrink, struct shrink_control *sc)
 {
         LIST_HEAD(free);
         int res;
+        int nr_to_scan = sc->nr_to_scan;
+        gfp_t gfp_mask = sc->gfp_mask;
 
         if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL)
                 return (nr_to_scan == 0) ? 0 : -1;
@@ -624,7 +626,7 @@ rpcauth_refreshcred(struct rpc_task *task)
                 if (err < 0)
                         goto out;
                 cred = task->tk_rqstp->rq_cred;
-        };
+        }
         dprintk("RPC: %5u refreshing %s cred %p\n",
                 task->tk_pid, cred->cr_auth->au_ops->au_name, cred);
 
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 339ba64cce1e..364eb45e989d 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -577,13 +577,13 @@ retry:
         }
         inode = &gss_msg->inode->vfs_inode;
         for (;;) {
-                prepare_to_wait(&gss_msg->waitqueue, &wait, TASK_INTERRUPTIBLE);
+                prepare_to_wait(&gss_msg->waitqueue, &wait, TASK_KILLABLE);
                 spin_lock(&inode->i_lock);
                 if (gss_msg->ctx != NULL || gss_msg->msg.errno < 0) {
                         break;
                 }
                 spin_unlock(&inode->i_lock);
-                if (signalled()) {
+                if (fatal_signal_pending(current)) {
                         err = -ERESTARTSYS;
                         goto out_intr;
                 }
@@ -1421,18 +1421,16 @@ gss_wrap_req(struct rpc_task *task,
                 goto out;
         }
         switch (gss_cred->gc_service) {
-                case RPC_GSS_SVC_NONE:
-                        gss_wrap_req_encode(encode, rqstp, p, obj);
-                        status = 0;
-                        break;
-                case RPC_GSS_SVC_INTEGRITY:
-                        status = gss_wrap_req_integ(cred, ctx, encode,
-                                                                rqstp, p, obj);
-                        break;
-                case RPC_GSS_SVC_PRIVACY:
-                        status = gss_wrap_req_priv(cred, ctx, encode,
-                                        rqstp, p, obj);
-                        break;
+        case RPC_GSS_SVC_NONE:
+                gss_wrap_req_encode(encode, rqstp, p, obj);
+                status = 0;
+                break;
+        case RPC_GSS_SVC_INTEGRITY:
+                status = gss_wrap_req_integ(cred, ctx, encode, rqstp, p, obj);
+                break;
+        case RPC_GSS_SVC_PRIVACY:
+                status = gss_wrap_req_priv(cred, ctx, encode, rqstp, p, obj);
+                break;
         }
 out:
         gss_put_ctx(ctx);
@@ -1531,18 +1529,18 @@ gss_unwrap_resp(struct rpc_task *task,
         if (ctx->gc_proc != RPC_GSS_PROC_DATA)
                 goto out_decode;
         switch (gss_cred->gc_service) {
-                case RPC_GSS_SVC_NONE:
-                        break;
-                case RPC_GSS_SVC_INTEGRITY:
-                        status = gss_unwrap_resp_integ(cred, ctx, rqstp, &p);
-                        if (status)
-                                goto out;
-                        break;
-                case RPC_GSS_SVC_PRIVACY:
-                        status = gss_unwrap_resp_priv(cred, ctx, rqstp, &p);
-                        if (status)
-                                goto out;
-                        break;
+        case RPC_GSS_SVC_NONE:
+                break;
+        case RPC_GSS_SVC_INTEGRITY:
+                status = gss_unwrap_resp_integ(cred, ctx, rqstp, &p);
+                if (status)
+                        goto out;
+                break;
+        case RPC_GSS_SVC_PRIVACY:
+                status = gss_unwrap_resp_priv(cred, ctx, rqstp, &p);
+                if (status)
+                        goto out;
+                break;
         }
         /* take into account extra slack for integrity and privacy cases: */
         cred->cr_auth->au_rslack = cred->cr_auth->au_verfsize + (p - savedp)
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c
index 0a9a2ec2e469..c3b75333b821 100644
--- a/net/sunrpc/auth_gss/gss_krb5_mech.c
+++ b/net/sunrpc/auth_gss/gss_krb5_mech.c
@@ -43,6 +43,7 @@
 #include <linux/sunrpc/gss_krb5.h>
 #include <linux/sunrpc/xdr.h>
 #include <linux/crypto.h>
+#include <linux/sunrpc/gss_krb5_enctypes.h>
 
 #ifdef RPC_DEBUG
 # define RPCDBG_FACILITY        RPCDBG_AUTH
@@ -750,7 +751,7 @@ static struct gss_api_mech gss_kerberos_mech = {
         .gm_ops         = &gss_kerberos_ops,
         .gm_pf_num      = ARRAY_SIZE(gss_kerberos_pfs),
         .gm_pfs         = gss_kerberos_pfs,
-        .gm_upcall_enctypes = "18,17,16,23,3,1,2",
+        .gm_upcall_enctypes = KRB5_SUPPORTED_ENCTYPES,
 };
 
 static int __init init_kerberos_module(void)
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 8d83f9d48713..7389b7da3a8d 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -13,10 +13,6 @@
  *      and need to be refreshed, or when a packet was damaged in transit.
  *      This may be have to be moved to the VFS layer.
  *
- *  NB: BSD uses a more intelligent approach to guessing when a request
- *  or reply has been lost by keeping the RTO estimate for each procedure.
- *  We currently make do with a constant timeout value.
- *
  *  Copyright (C) 1992,1993 Rick Sladkey <jrs@world.std.com>
  *  Copyright (C) 1995,1996 Olaf Kirch <okir@monad.swb.de>
  */
@@ -32,7 +28,9 @@
 #include <linux/slab.h>
 #include <linux/utsname.h>
 #include <linux/workqueue.h>
+#include <linux/in.h>
 #include <linux/in6.h>
+#include <linux/un.h>
 
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/rpc_pipe_fs.h>
@@ -298,22 +296,27 @@ struct rpc_clnt *rpc_create(struct rpc_create_args *args)
          * up a string representation of the passed-in address.
          */
         if (args->servername == NULL) {
+                struct sockaddr_un *sun =
+                                (struct sockaddr_un *)args->address;
+                struct sockaddr_in *sin =
+                                (struct sockaddr_in *)args->address;
+                struct sockaddr_in6 *sin6 =
+                                (struct sockaddr_in6 *)args->address;
+
                 servername[0] = '\0';
                 switch (args->address->sa_family) {
-                case AF_INET: {
-                        struct sockaddr_in *sin =
-                                        (struct sockaddr_in *)args->address;
+                case AF_LOCAL:
+                        snprintf(servername, sizeof(servername), "%s",
+                                 sun->sun_path);
+                        break;
+                case AF_INET:
                         snprintf(servername, sizeof(servername), "%pI4",
                                  &sin->sin_addr.s_addr);
                         break;
-                }
-                case AF_INET6: {
-                        struct sockaddr_in6 *sin =
-                                        (struct sockaddr_in6 *)args->address;
+                case AF_INET6:
                         snprintf(servername, sizeof(servername), "%pI6",
-                                 &sin->sin6_addr);
+                                 &sin6->sin6_addr);
                         break;
-                }
                 default:
                         /* caller wants default server name, but
                          * address family isn't recognized. */
@@ -1058,7 +1061,7 @@ call_allocate(struct rpc_task *task)
 
         dprintk("RPC: %5u rpc_buffer allocation failed\n", task->tk_pid);
 
-        if (RPC_IS_ASYNC(task) || !signalled()) {
+        if (RPC_IS_ASYNC(task) || !fatal_signal_pending(current)) {
                 task->tk_action = call_allocate;
                 rpc_delay(task, HZ>>4);
                 return;
@@ -1172,6 +1175,9 @@ call_bind_status(struct rpc_task *task)
                         status = -EOPNOTSUPP;
                         break;
                 }
+                if (task->tk_rebind_retry == 0)
+                        break;
+                task->tk_rebind_retry--;
                 rpc_delay(task, 3*HZ);
                 goto retry_timeout;
         case -ETIMEDOUT:
@@ -1660,19 +1666,18 @@ rpc_verify_header(struct rpc_task *task)
                 if (--len < 0)
                         goto out_overflow;
                 switch ((n = ntohl(*p++))) {
-                        case RPC_AUTH_ERROR:
-                                break;
-                        case RPC_MISMATCH:
-                                dprintk("RPC: %5u %s: RPC call version "
-                                                "mismatch!\n",
-                                                task->tk_pid, __func__);
-                                error = -EPROTONOSUPPORT;
-                                goto out_err;
-                        default:
-                                dprintk("RPC: %5u %s: RPC call rejected, "
-                                                "unknown error: %x\n",
-                                                task->tk_pid, __func__, n);
-                                goto out_eio;
+                case RPC_AUTH_ERROR:
+                        break;
+                case RPC_MISMATCH:
+                        dprintk("RPC: %5u %s: RPC call version mismatch!\n",
+                                task->tk_pid, __func__);
+                        error = -EPROTONOSUPPORT;
+                        goto out_err;
+                default:
+                        dprintk("RPC: %5u %s: RPC call rejected, "
+                                "unknown error: %x\n",
+                                task->tk_pid, __func__, n);
+                        goto out_eio;
                 }
                 if (--len < 0)
                         goto out_overflow;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 72bc53683965..b181e3441323 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -456,13 +456,13 @@ rpc_get_inode(struct super_block *sb, umode_t mode)
         inode->i_ino = get_next_ino();
         inode->i_mode = mode;
         inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
-        switch(mode & S_IFMT) {
-                case S_IFDIR:
-                        inode->i_fop = &simple_dir_operations;
-                        inode->i_op = &simple_dir_inode_operations;
-                        inc_nlink(inode);
-                default:
-                        break;
+        switch (mode & S_IFMT) {
+        case S_IFDIR:
+                inode->i_fop = &simple_dir_operations;
+                inode->i_op = &simple_dir_inode_operations;
+                inc_nlink(inode);
+        default:
+                break;
         }
         return inode;
 }
diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index c652e4cc9fe9..e45d2fbbe5a8 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -16,6 +16,7 @@
 
 #include <linux/types.h>
 #include <linux/socket.h>
+#include <linux/un.h>
 #include <linux/in.h>
 #include <linux/in6.h>
 #include <linux/kernel.h>
@@ -32,6 +33,8 @@
 # define RPCDBG_FACILITY        RPCDBG_BIND
 #endif
 
+#define RPCBIND_SOCK_PATHNAME   "/var/run/rpcbind.sock"
+
 #define RPCBIND_PROGRAM         (100000u)
 #define RPCBIND_PORT            (111u)
 
@@ -158,20 +161,69 @@ static void rpcb_map_release(void *data)
         kfree(map);
 }
 
-static const struct sockaddr_in rpcb_inaddr_loopback = {
-        .sin_family             = AF_INET,
-        .sin_addr.s_addr        = htonl(INADDR_LOOPBACK),
-        .sin_port               = htons(RPCBIND_PORT),
-};
+/*
+ * Returns zero on success, otherwise a negative errno value
+ * is returned.
+ */
+static int rpcb_create_local_unix(void)
+{
+        static const struct sockaddr_un rpcb_localaddr_rpcbind = {
+                .sun_family             = AF_LOCAL,
+                .sun_path               = RPCBIND_SOCK_PATHNAME,
+        };
+        struct rpc_create_args args = {
+                .net            = &init_net,
+                .protocol       = XPRT_TRANSPORT_LOCAL,
+                .address        = (struct sockaddr *)&rpcb_localaddr_rpcbind,
+                .addrsize       = sizeof(rpcb_localaddr_rpcbind),
+                .servername     = "localhost",
+                .program        = &rpcb_program,
+                .version        = RPCBVERS_2,
+                .authflavor     = RPC_AUTH_NULL,
+        };
+        struct rpc_clnt *clnt, *clnt4;
+        int result = 0;
+
+        /*
+         * Because we requested an RPC PING at transport creation time,
+         * this works only if the user space portmapper is rpcbind, and
+         * it's listening on AF_LOCAL on the named socket.
+         */
+        clnt = rpc_create(&args);
+        if (IS_ERR(clnt)) {
+                dprintk("RPC:       failed to create AF_LOCAL rpcbind "
+                                "client (errno %ld).\n", PTR_ERR(clnt));
+                result = -PTR_ERR(clnt);
+                goto out;
+        }
+
+        clnt4 = rpc_bind_new_program(clnt, &rpcb_program, RPCBVERS_4);
+        if (IS_ERR(clnt4)) {
+                dprintk("RPC:       failed to bind second program to "
+                                "rpcbind v4 client (errno %ld).\n",
+                                PTR_ERR(clnt4));
+                clnt4 = NULL;
+        }
+
+        /* Protected by rpcb_create_local_mutex */
+        rpcb_local_clnt = clnt;
+        rpcb_local_clnt4 = clnt4;
 
-static DEFINE_MUTEX(rpcb_create_local_mutex);
+out:
+        return result;
+}
 
 /*
  * Returns zero on success, otherwise a negative errno value
  * is returned.
  */
-static int rpcb_create_local(void)
+static int rpcb_create_local_net(void)
 {
+        static const struct sockaddr_in rpcb_inaddr_loopback = {
+                .sin_family             = AF_INET,
+                .sin_addr.s_addr        = htonl(INADDR_LOOPBACK),
+                .sin_port               = htons(RPCBIND_PORT),
+        };
         struct rpc_create_args args = {
                 .net            = &init_net,
                 .protocol       = XPRT_TRANSPORT_TCP,
@@ -186,13 +238,6 @@ static int rpcb_create_local(void)
         struct rpc_clnt *clnt, *clnt4;
         int result = 0;
 
-        if (rpcb_local_clnt)
-                return result;
-
-        mutex_lock(&rpcb_create_local_mutex);
-        if (rpcb_local_clnt)
-                goto out;
-
         clnt = rpc_create(&args);
         if (IS_ERR(clnt)) {
                 dprintk("RPC:       failed to create local rpcbind "
@@ -214,10 +259,34 @@ static int rpcb_create_local(void)
                 clnt4 = NULL;
         }
 
+        /* Protected by rpcb_create_local_mutex */
         rpcb_local_clnt = clnt;
         rpcb_local_clnt4 = clnt4;
 
 out:
+        return result;
+}
+
+/*
+ * Returns zero on success, otherwise a negative errno value
+ * is returned.
+ */
+static int rpcb_create_local(void)
+{
+        static DEFINE_MUTEX(rpcb_create_local_mutex);
+        int result = 0;
+
+        if (rpcb_local_clnt)
+                return result;
+
+        mutex_lock(&rpcb_create_local_mutex);
+        if (rpcb_local_clnt)
+                goto out;
+
+        if (rpcb_create_local_unix() != 0)
+                result = rpcb_create_local_net();
+
+out:
         mutex_unlock(&rpcb_create_local_mutex);
         return result;
 }
@@ -528,7 +597,7 @@ void rpcb_getport_async(struct rpc_task *task)
         u32 bind_version;
         struct rpc_xprt *xprt;
         struct rpc_clnt *rpcb_clnt;
-        static struct rpcbind_args *map;
+        struct rpcbind_args *map;
         struct rpc_task *child;
         struct sockaddr_storage addr;
         struct sockaddr *sap = (struct sockaddr *)&addr;
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 6b43ee7221d5..4814e246a874 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -616,30 +616,25 @@ static void __rpc_execute(struct rpc_task *task)
         BUG_ON(RPC_IS_QUEUED(task));
 
         for (;;) {
+                void (*do_action)(struct rpc_task *);
 
                 /*
-                 * Execute any pending callback.
+                 * Execute any pending callback first.
                  */
-                if (task->tk_callback) {
-                        void (*save_callback)(struct rpc_task *);
-
-                        /*
-                         * We set tk_callback to NULL before calling it,
-                         * in case it sets the tk_callback field itself:
-                         */
-                        save_callback = task->tk_callback;
-                        task->tk_callback = NULL;
-                        save_callback(task);
-                } else {
+                do_action = task->tk_callback;
+                task->tk_callback = NULL;
+                if (do_action == NULL) {
                         /*
                          * Perform the next FSM step.
-                         * tk_action may be NULL when the task has been killed
-                         * by someone else.
+                         * tk_action may be NULL if the task has been killed.
+                         * In particular, note that rpc_killall_tasks may
+                         * do this at any time, so beware when dereferencing.
                          */
-                        if (task->tk_action == NULL)
+                        do_action = task->tk_action;
+                        if (do_action == NULL)
                                 break;
-                        task->tk_action(task);
                 }
+                do_action(task);
 
                 /*
                  * Lockless check for whether task is sleeping or not.
@@ -792,6 +787,7 @@ static void rpc_init_task(struct rpc_task *task, const struct rpc_task_setup *ta
         /* Initialize retry counters */
         task->tk_garb_retry = 2;
         task->tk_cred_retry = 2;
+        task->tk_rebind_retry = 2;
 
         task->tk_priority = task_setup_data->priority - RPC_PRIORITY_LOW;
         task->tk_owner = current->tgid;
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 08e05a8ce025..2b90292e9505 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -942,6 +942,8 @@ static void svc_unregister(const struct svc_serv *serv)
                         if (progp->pg_vers[i]->vs_hidden)
                                 continue;
 
+                        dprintk("svc: attempting to unregister %sv%u\n",
+                                progp->pg_name, i);
                         __svc_unregister(progp->pg_prog, i, progp->pg_name);
                 }
         }
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index b7d435c3f19e..af04f779ce9f 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -387,6 +387,33 @@ static int svc_recvfrom(struct svc_rqst *rqstp, struct kvec *iov, int nr,
         return len;
 }
 
+static int svc_partial_recvfrom(struct svc_rqst *rqstp,
+                                struct kvec *iov, int nr,
+                                int buflen, unsigned int base)
+{
+        size_t save_iovlen;
+        void __user *save_iovbase;
+        unsigned int i;
+        int ret;
+
+        if (base == 0)
+                return svc_recvfrom(rqstp, iov, nr, buflen);
+
+        for (i = 0; i < nr; i++) {
+                if (iov[i].iov_len > base)
+                        break;
+                base -= iov[i].iov_len;
+        }
+        save_iovlen = iov[i].iov_len;
+        save_iovbase = iov[i].iov_base;
+        iov[i].iov_len -= base;
+        iov[i].iov_base += base;
+        ret = svc_recvfrom(rqstp, &iov[i], nr - i, buflen);
+        iov[i].iov_len = save_iovlen;
+        iov[i].iov_base = save_iovbase;
+        return ret;
+}
+
 /*
  * Set socket snd and rcv buffer lengths
  */
@@ -409,7 +436,6 @@ static void svc_sock_setbufsize(struct socket *sock, unsigned int snd,
         lock_sock(sock->sk);
         sock->sk->sk_sndbuf = snd * 2;
         sock->sk->sk_rcvbuf = rcv * 2;
-        sock->sk->sk_userlocks |= SOCK_SNDBUF_LOCK|SOCK_RCVBUF_LOCK;
         sock->sk->sk_write_space(sock->sk);
         release_sock(sock->sk);
 #endif
@@ -884,6 +910,56 @@ failed:
         return NULL;
 }
 
+static unsigned int svc_tcp_restore_pages(struct svc_sock *svsk, struct svc_rqst *rqstp)
+{
+        unsigned int i, len, npages;
+
+        if (svsk->sk_tcplen <= sizeof(rpc_fraghdr))
+                return 0;
+        len = svsk->sk_tcplen - sizeof(rpc_fraghdr);
+        npages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        for (i = 0; i < npages; i++) {
+                if (rqstp->rq_pages[i] != NULL)
+                        put_page(rqstp->rq_pages[i]);
+                BUG_ON(svsk->sk_pages[i] == NULL);
+                rqstp->rq_pages[i] = svsk->sk_pages[i];
+                svsk->sk_pages[i] = NULL;
+        }
+        rqstp->rq_arg.head[0].iov_base = page_address(rqstp->rq_pages[0]);
+        return len;
+}
+
+static void svc_tcp_save_pages(struct svc_sock *svsk, struct svc_rqst *rqstp)
+{
+        unsigned int i, len, npages;
+
+        if (svsk->sk_tcplen <= sizeof(rpc_fraghdr))
+                return;
+        len = svsk->sk_tcplen - sizeof(rpc_fraghdr);
+        npages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        for (i = 0; i < npages; i++) {
+                svsk->sk_pages[i] = rqstp->rq_pages[i];
+                rqstp->rq_pages[i] = NULL;
+        }
+}
+
+static void svc_tcp_clear_pages(struct svc_sock *svsk)
+{
+        unsigned int i, len, npages;
+
+        if (svsk->sk_tcplen <= sizeof(rpc_fraghdr))
+                goto out;
+        len = svsk->sk_tcplen - sizeof(rpc_fraghdr);
+        npages = (len + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        for (i = 0; i < npages; i++) {
+                BUG_ON(svsk->sk_pages[i] == NULL);
+                put_page(svsk->sk_pages[i]);
+                svsk->sk_pages[i] = NULL;
+        }
+out:
+        svsk->sk_tcplen = 0;
+}
+
 /*
  * Receive data.
  * If we haven't gotten the record length yet, get the next four bytes.
@@ -893,31 +969,15 @@ failed:
 static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp)
 {
         struct svc_serv *serv = svsk->sk_xprt.xpt_server;
+        unsigned int want;
         int len;
 
-        if (test_and_clear_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags))
-                /* sndbuf needs to have room for one request
-                 * per thread, otherwise we can stall even when the
-                 * network isn't a bottleneck.
-                 *
-                 * We count all threads rather than threads in a
-                 * particular pool, which provides an upper bound
-                 * on the number of threads which will access the socket.
-                 *
-                 * rcvbuf just needs to be able to hold a few requests.
-                 * Normally they will be removed from the queue
-                 * as soon a a complete request arrives.
-                 */
-                svc_sock_setbufsize(svsk->sk_sock,
-                                    (serv->sv_nrthreads+3) * serv->sv_max_mesg,
-                                    3 * serv->sv_max_mesg);
-
         clear_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
 
         if (svsk->sk_tcplen < sizeof(rpc_fraghdr)) {
-                int             want = sizeof(rpc_fraghdr) - svsk->sk_tcplen;
                 struct kvec     iov;
 
+                want = sizeof(rpc_fraghdr) - svsk->sk_tcplen;
                 iov.iov_base = ((char *) &svsk->sk_reclen) + svsk->sk_tcplen;
                 iov.iov_len  = want;
                 if ((len = svc_recvfrom(rqstp, &iov, 1, want)) < 0)
@@ -927,7 +987,7 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp)
                 if (len < want) {
                         dprintk("svc: short recvfrom while reading record "
                                 "length (%d of %d)\n", len, want);
-                        goto err_again; /* record header not complete */
+                        return -EAGAIN;
                 }
 
                 svsk->sk_reclen = ntohl(svsk->sk_reclen);
@@ -954,83 +1014,75 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp)
                 }
         }
 
-        /* Check whether enough data is available */
-        len = svc_recv_available(svsk);
-        if (len < 0)
-                goto error;
+        if (svsk->sk_reclen < 8)
+                goto err_delete; /* client is nuts. */
 
-        if (len < svsk->sk_reclen) {
-                dprintk("svc: incomplete TCP record (%d of %d)\n",
-                        len, svsk->sk_reclen);
-                goto err_again; /* record not complete */
-        }
         len = svsk->sk_reclen;
-        set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
 
         return len;
- error:
-        if (len == -EAGAIN)
-                dprintk("RPC: TCP recv_record got EAGAIN\n");
+error:
+        dprintk("RPC: TCP recv_record got %d\n", len);
         return len;
- err_delete:
+err_delete:
         set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
- err_again:
         return -EAGAIN;
 }
 
-static int svc_process_calldir(struct svc_sock *svsk, struct svc_rqst *rqstp,
-                               struct rpc_rqst **reqpp, struct kvec *vec)
+static int receive_cb_reply(struct svc_sock *svsk, struct svc_rqst *rqstp)
 {
+        struct rpc_xprt *bc_xprt = svsk->sk_xprt.xpt_bc_xprt;
         struct rpc_rqst *req = NULL;
-        u32 *p;
-        u32 xid;
-        u32 calldir;
-        int len;
-
-        len = svc_recvfrom(rqstp, vec, 1, 8);
-        if (len < 0)
-                goto error;
+        struct kvec *src, *dst;
+        __be32 *p = (__be32 *)rqstp->rq_arg.head[0].iov_base;
+        __be32 xid;
+        __be32 calldir;
 
-        p = (u32 *)rqstp->rq_arg.head[0].iov_base;
         xid = *p++;
         calldir = *p;
 
-        if (calldir == 0) {
-                /* REQUEST is the most common case */
-                vec[0] = rqstp->rq_arg.head[0];
-        } else {
-                /* REPLY */
-                struct rpc_xprt *bc_xprt = svsk->sk_xprt.xpt_bc_xprt;
-
-                if (bc_xprt)
-                        req = xprt_lookup_rqst(bc_xprt, xid);
-
-                if (!req) {
-                        printk(KERN_NOTICE
-                                "%s: Got unrecognized reply: "
-                                "calldir 0x%x xpt_bc_xprt %p xid %08x\n",
-                                __func__, ntohl(calldir),
-                                bc_xprt, xid);
-                        vec[0] = rqstp->rq_arg.head[0];
-                        goto out;
-                }
+        if (bc_xprt)
+                req = xprt_lookup_rqst(bc_xprt, xid);
 
-                memcpy(&req->rq_private_buf, &req->rq_rcv_buf,
-                       sizeof(struct xdr_buf));
-                /* copy the xid and call direction */
-                memcpy(req->rq_private_buf.head[0].iov_base,
-                       rqstp->rq_arg.head[0].iov_base, 8);
-                vec[0] = req->rq_private_buf.head[0];
+        if (!req) {
+                printk(KERN_NOTICE
+                        "%s: Got unrecognized reply: "
+                        "calldir 0x%x xpt_bc_xprt %p xid %08x\n",
+                        __func__, ntohl(calldir),
+                        bc_xprt, xid);
+                return -EAGAIN;
         }
- out:
-        vec[0].iov_base += 8;
-        vec[0].iov_len -= 8;
-        len = svsk->sk_reclen - 8;
- error:
-        *reqpp = req;
-        return len;
+
+        memcpy(&req->rq_private_buf, &req->rq_rcv_buf, sizeof(struct xdr_buf));
+        /*
+         * XXX!: cheating for now!  Only copying HEAD.
+         * But we know this is good enough for now (in fact, for any
+         * callback reply in the forseeable future).
+         */
+        dst = &req->rq_private_buf.head[0];
+        src = &rqstp->rq_arg.head[0];
+        if (dst->iov_len < src->iov_len)
+                return -EAGAIN; /* whatever; just giving up. */
+        memcpy(dst->iov_base, src->iov_base, src->iov_len);
+        xprt_complete_rqst(req->rq_task, svsk->sk_reclen);
+        rqstp->rq_arg.len = 0;
+        return 0;
 }
 
+static int copy_pages_to_kvecs(struct kvec *vec, struct page **pages, int len)
+{
+        int i = 0;
+        int t = 0;
+
+        while (t < len) {
+                vec[i].iov_base = page_address(pages[i]);
+                vec[i].iov_len = PAGE_SIZE;
+                i++;
+                t += PAGE_SIZE;
+        }
+        return i;
+}
+
+
 /*
  * Receive data from a TCP socket.
  */
@@ -1041,8 +1093,10 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
         struct svc_serv *serv = svsk->sk_xprt.xpt_server;
         int             len;
         struct kvec *vec;
-        int pnum, vlen;
-        struct rpc_rqst *req = NULL;
+        unsigned int want, base;
+        __be32 *p;
+        __be32 calldir;
+        int pnum;
 
         dprintk("svc: tcp_recv %p data %d conn %d close %d\n",
                 svsk, test_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags),
@@ -1053,87 +1107,73 @@ static int svc_tcp_recvfrom(struct svc_rqst *rqstp)
         if (len < 0)
                 goto error;
 
+        base = svc_tcp_restore_pages(svsk, rqstp);
+        want = svsk->sk_reclen - base;
+
         vec = rqstp->rq_vec;
-        vec[0] = rqstp->rq_arg.head[0];
-        vlen = PAGE_SIZE;
 
-        /*
-         * We have enough data for the whole tcp record. Let's try and read the
-         * first 8 bytes to get the xid and the call direction. We can use this
-         * to figure out if this is a call or a reply to a callback. If
-         * sk_reclen is < 8 (xid and calldir), then this is a malformed packet.
-         * In that case, don't bother with the calldir and just read the data.
-         * It will be rejected in svc_process.
-         */
-        if (len >= 8) {
-                len = svc_process_calldir(svsk, rqstp, &req, vec);
-                if (len < 0)
-                        goto err_again;
-                vlen -= 8;
-        }
+        pnum = copy_pages_to_kvecs(&vec[0], &rqstp->rq_pages[0],
+                                                svsk->sk_reclen);
 
-        pnum = 1;
-        while (vlen < len) {
-                vec[pnum].iov_base = (req) ?
-                        page_address(req->rq_private_buf.pages[pnum - 1]) :
-                        page_address(rqstp->rq_pages[pnum]);
-                vec[pnum].iov_len = PAGE_SIZE;
-                pnum++;
-                vlen += PAGE_SIZE;
-        }
         rqstp->rq_respages = &rqstp->rq_pages[pnum];
 
         /* Now receive data */
-        len = svc_recvfrom(rqstp, vec, pnum, len);
-        if (len < 0)
-                goto err_again;
-
-        /*
-         * Account for the 8 bytes we read earlier
-         */
-        len += 8;
-
-        if (req) {
-                xprt_complete_rqst(req->rq_task, len);
-                len = 0;
-                goto out;
+        len = svc_partial_recvfrom(rqstp, vec, pnum, want, base);
+        if (len >= 0)
+                svsk->sk_tcplen += len;
+        if (len != want) {
+                if (len < 0 && len != -EAGAIN)
+                        goto err_other;
+                svc_tcp_save_pages(svsk, rqstp);
+                dprintk("svc: incomplete TCP record (%d of %d)\n",
+                        svsk->sk_tcplen, svsk->sk_reclen);
+                goto err_noclose;
         }
-        dprintk("svc: TCP complete record (%d bytes)\n", len);
-        rqstp->rq_arg.len = len;
+
+        rqstp->rq_arg.len = svsk->sk_reclen;
         rqstp->rq_arg.page_base = 0;
-        if (len <= rqstp->rq_arg.head[0].iov_len) {
-                rqstp->rq_arg.head[0].iov_len = len;
+        if (rqstp->rq_arg.len <= rqstp->rq_arg.head[0].iov_len) {
+                rqstp->rq_arg.head[0].iov_len = rqstp->rq_arg.len;
                 rqstp->rq_arg.page_len = 0;
-        } else {
-                rqstp->rq_arg.page_len = len - rqstp->rq_arg.head[0].iov_len;
-        }
+        } else
+                rqstp->rq_arg.page_len = rqstp->rq_arg.len - rqstp->rq_arg.head[0].iov_len;
 
         rqstp->rq_xprt_ctxt   = NULL;
         rqstp->rq_prot        = IPPROTO_TCP;
 
-out:
+        p = (__be32 *)rqstp->rq_arg.head[0].iov_base;
+        calldir = p[1];
+        if (calldir)
+                len = receive_cb_reply(svsk, rqstp);
+
         /* Reset TCP read info */
         svsk->sk_reclen = 0;
         svsk->sk_tcplen = 0;
+        /* If we have more data, signal svc_xprt_enqueue() to try again */
+        if (svc_recv_available(svsk) > sizeof(rpc_fraghdr))
+                set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
+
+        if (len < 0)
+                goto error;
 
         svc_xprt_copy_addrs(rqstp, &svsk->sk_xprt);
         if (serv->sv_stats)
                 serv->sv_stats->nettcpcnt++;
 
-        return len;
+        dprintk("svc: TCP complete record (%d bytes)\n", rqstp->rq_arg.len);
+        return rqstp->rq_arg.len;
 
-err_again:
-        if (len == -EAGAIN) {
-                dprintk("RPC: TCP recvfrom got EAGAIN\n");
-                return len;
-        }
 error:
-        if (len != -EAGAIN) {
-                printk(KERN_NOTICE "%s: recvfrom returned errno %d\n",
-                       svsk->sk_xprt.xpt_server->sv_name, -len);
-                set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
-        }
+        if (len != -EAGAIN)
+                goto err_other;
+        dprintk("RPC: TCP recvfrom got EAGAIN\n");
         return -EAGAIN;
+err_other:
+        printk(KERN_NOTICE "%s: recvfrom returned errno %d\n",
+               svsk->sk_xprt.xpt_server->sv_name, -len);
+        set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
+err_noclose:
+        return -EAGAIN; /* record not complete */
 }
 
 /*
@@ -1304,18 +1344,10 @@ static void svc_tcp_init(struct svc_sock *svsk, struct svc_serv *serv)
 
                 svsk->sk_reclen = 0;
                 svsk->sk_tcplen = 0;
+                memset(&svsk->sk_pages[0], 0, sizeof(svsk->sk_pages));
 
                 tcp_sk(sk)->nonagle |= TCP_NAGLE_OFF;
 
-                /* initialise setting must have enough space to
-                 * receive and respond to one request.
-                 * svc_tcp_recvfrom will re-adjust if necessary
-                 */
-                svc_sock_setbufsize(svsk->sk_sock,
-                                    3 * svsk->sk_xprt.xpt_server->sv_max_mesg,
-                                    3 * svsk->sk_xprt.xpt_server->sv_max_mesg);
-
-                set_bit(XPT_CHNGBUF, &svsk->sk_xprt.xpt_flags);
                 set_bit(XPT_DATA, &svsk->sk_xprt.xpt_flags);
                 if (sk->sk_state != TCP_ESTABLISHED)
                         set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
@@ -1379,8 +1411,14 @@ static struct svc_sock *svc_setup_socket(struct svc_serv *serv,
         /* Initialize the socket */
         if (sock->type == SOCK_DGRAM)
                 svc_udp_init(svsk, serv);
-        else
+        else {
+                /* initialise setting must have enough space to
+                 * receive and respond to one request.
+                 */
+                svc_sock_setbufsize(svsk->sk_sock, 4 * serv->sv_max_mesg,
+                                        4 * serv->sv_max_mesg);
                 svc_tcp_init(svsk, serv);
+        }
 
         dprintk("svc: svc_setup_socket created %p (inet %p)\n",
                                 svsk, svsk->sk_sk);
@@ -1562,8 +1600,10 @@ static void svc_tcp_sock_detach(struct svc_xprt *xprt)
 
         svc_sock_detach(xprt);
 
-        if (!test_bit(XPT_LISTENER, &xprt->xpt_flags))
+        if (!test_bit(XPT_LISTENER, &xprt->xpt_flags)) {
+                svc_tcp_clear_pages(svsk);
                 kernel_sock_shutdown(svsk->sk_sock, SHUT_RDWR);
+        }
 }
 
 /*
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 679cd674b81d..f008c14ad34c 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -638,6 +638,25 @@ void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p)
 }
 EXPORT_SYMBOL_GPL(xdr_init_decode);
 
+/**
+ * xdr_init_decode - Initialize an xdr_stream for decoding data.
+ * @xdr: pointer to xdr_stream struct
+ * @buf: pointer to XDR buffer from which to decode data
+ * @pages: list of pages to decode into
+ * @len: length in bytes of buffer in pages
+ */
+void xdr_init_decode_pages(struct xdr_stream *xdr, struct xdr_buf *buf,
+                           struct page **pages, unsigned int len)
+{
+        memset(buf, 0, sizeof(*buf));
+        buf->pages =  pages;
+        buf->page_len =  len;
+        buf->buflen =  len;
+        buf->len = len;
+        xdr_init_decode(xdr, buf, NULL);
+}
+EXPORT_SYMBOL_GPL(xdr_init_decode_pages);
+
 static __be32 * __xdr_inline_decode(struct xdr_stream *xdr, size_t nbytes)
 {
         __be32 *p = xdr->p;
diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 6c014dd3a20b..a385430c722a 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -42,6 +42,7 @@
 #include <linux/sunrpc/svc_xprt.h>
 #include <linux/sunrpc/debug.h>
 #include <linux/sunrpc/rpc_rdma.h>
+#include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
@@ -695,7 +696,8 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
                 return ERR_PTR(-ENOMEM);
         xprt = &cma_xprt->sc_xprt;
 
-        listen_id = rdma_create_id(rdma_listen_handler, cma_xprt, RDMA_PS_TCP);
+        listen_id = rdma_create_id(rdma_listen_handler, cma_xprt, RDMA_PS_TCP,
+                                   IB_QPT_RC);
         if (IS_ERR(listen_id)) {
                 ret = PTR_ERR(listen_id);
                 dprintk("svcrdma: rdma_create_id failed = %d\n", ret);
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index d4297dc43dc4..28236bab57f9 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -47,6 +47,7 @@
  *  o buffer memory
  */
 
+#include <linux/interrupt.h>
 #include <linux/pci.h>  /* for Tavor hack below */
 #include <linux/slab.h>
 
@@ -387,7 +388,7 @@ rpcrdma_create_id(struct rpcrdma_xprt *xprt,
 
         init_completion(&ia->ri_done);
 
-        id = rdma_create_id(rpcrdma_conn_upcall, xprt, RDMA_PS_TCP);
+        id = rdma_create_id(rpcrdma_conn_upcall, xprt, RDMA_PS_TCP, IB_QPT_RC);
         if (IS_ERR(id)) {
                 rc = PTR_ERR(id);
                 dprintk("RPC:       %s: rdma_create_id() failed %i\n",
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index bf005d3c65ef..72abb7358933 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -19,6 +19,7 @@
  */
 
 #include <linux/types.h>
+#include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/capability.h>
@@ -28,6 +29,7 @@
 #include <linux/in.h>
 #include <linux/net.h>
 #include <linux/mm.h>
+#include <linux/un.h>
 #include <linux/udp.h>
 #include <linux/tcp.h>
 #include <linux/sunrpc/clnt.h>
@@ -45,6 +47,9 @@
 #include <net/tcp.h>
 
 #include "sunrpc.h"
+
+static void xs_close(struct rpc_xprt *xprt);
+
 /*
  * xprtsock tunables
  */
@@ -261,6 +266,11 @@ static inline struct sockaddr *xs_addr(struct rpc_xprt *xprt)
         return (struct sockaddr *) &xprt->addr;
 }
 
+static inline struct sockaddr_un *xs_addr_un(struct rpc_xprt *xprt)
+{
+        return (struct sockaddr_un *) &xprt->addr;
+}
+
 static inline struct sockaddr_in *xs_addr_in(struct rpc_xprt *xprt)
 {
         return (struct sockaddr_in *) &xprt->addr;
@@ -276,23 +286,34 @@ static void xs_format_common_peer_addresses(struct rpc_xprt *xprt)
         struct sockaddr *sap = xs_addr(xprt);
         struct sockaddr_in6 *sin6;
         struct sockaddr_in *sin;
+        struct sockaddr_un *sun;
         char buf[128];
 
-        (void)rpc_ntop(sap, buf, sizeof(buf));
-        xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL);
-
         switch (sap->sa_family) {
+        case AF_LOCAL:
+                sun = xs_addr_un(xprt);
+                strlcpy(buf, sun->sun_path, sizeof(buf));
+                xprt->address_strings[RPC_DISPLAY_ADDR] =
+                                                kstrdup(buf, GFP_KERNEL);
+                break;
         case AF_INET:
+                (void)rpc_ntop(sap, buf, sizeof(buf));
+                xprt->address_strings[RPC_DISPLAY_ADDR] =
+                                                kstrdup(buf, GFP_KERNEL);
                 sin = xs_addr_in(xprt);
                 snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
                 break;
         case AF_INET6:
+                (void)rpc_ntop(sap, buf, sizeof(buf));
+                xprt->address_strings[RPC_DISPLAY_ADDR] =
+                                                kstrdup(buf, GFP_KERNEL);
                 sin6 = xs_addr_in6(xprt);
                 snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
                 break;
         default:
                 BUG();
         }
+
         xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
 }
 
@@ -495,6 +516,70 @@ static int xs_nospace(struct rpc_task *task)
         return ret;
 }
 
+/*
+ * Construct a stream transport record marker in @buf.
+ */
+static inline void xs_encode_stream_record_marker(struct xdr_buf *buf)
+{
+        u32 reclen = buf->len - sizeof(rpc_fraghdr);
+        rpc_fraghdr *base = buf->head[0].iov_base;
+        *base = cpu_to_be32(RPC_LAST_STREAM_FRAGMENT | reclen);
+}
+
+/**
+ * xs_local_send_request - write an RPC request to an AF_LOCAL socket
+ * @task: RPC task that manages the state of an RPC request
+ *
+ * Return values:
+ *        0:    The request has been sent
+ *   EAGAIN:    The socket was blocked, please call again later to
+ *              complete the request
+ * ENOTCONN:    Caller needs to invoke connect logic then call again
+ *    other:    Some other error occured, the request was not sent
+ */
+static int xs_local_send_request(struct rpc_task *task)
+{
+        struct rpc_rqst *req = task->tk_rqstp;
+        struct rpc_xprt *xprt = req->rq_xprt;
+        struct sock_xprt *transport =
+                                container_of(xprt, struct sock_xprt, xprt);
+        struct xdr_buf *xdr = &req->rq_snd_buf;
+        int status;
+
+        xs_encode_stream_record_marker(&req->rq_snd_buf);
+
+        xs_pktdump("packet data:",
+                        req->rq_svec->iov_base, req->rq_svec->iov_len);
+
+        status = xs_sendpages(transport->sock, NULL, 0,
+                                                xdr, req->rq_bytes_sent);
+        dprintk("RPC:       %s(%u) = %d\n",
+                        __func__, xdr->len - req->rq_bytes_sent, status);
+        if (likely(status >= 0)) {
+                req->rq_bytes_sent += status;
+                req->rq_xmit_bytes_sent += status;
+                if (likely(req->rq_bytes_sent >= req->rq_slen)) {
+                        req->rq_bytes_sent = 0;
+                        return 0;
+                }
+                status = -EAGAIN;
+        }
+
+        switch (status) {
+        case -EAGAIN:
+                status = xs_nospace(task);
+                break;
+        default:
+                dprintk("RPC:       sendmsg returned unrecognized error %d\n",
+                        -status);
+        case -EPIPE:
+                xs_close(xprt);
+                status = -ENOTCONN;
+        }
+
+        return status;
+}
+
 /**
  * xs_udp_send_request - write an RPC request to a UDP socket
  * @task: address of RPC task that manages the state of an RPC request
@@ -574,13 +659,6 @@ static void xs_tcp_shutdown(struct rpc_xprt *xprt)
                 kernel_sock_shutdown(sock, SHUT_WR);
 }
 
-static inline void xs_encode_tcp_record_marker(struct xdr_buf *buf)
-{
-        u32 reclen = buf->len - sizeof(rpc_fraghdr);
-        rpc_fraghdr *base = buf->head[0].iov_base;
-        *base = htonl(RPC_LAST_STREAM_FRAGMENT | reclen);
-}
-
 /**
  * xs_tcp_send_request - write an RPC request to a TCP socket
  * @task: address of RPC task that manages the state of an RPC request
@@ -603,7 +681,7 @@ static int xs_tcp_send_request(struct rpc_task *task)
         struct xdr_buf *xdr = &req->rq_snd_buf;
         int status;
 
-        xs_encode_tcp_record_marker(&req->rq_snd_buf);
+        xs_encode_stream_record_marker(&req->rq_snd_buf);
 
         xs_pktdump("packet data:",
                                 req->rq_svec->iov_base,
@@ -785,6 +863,88 @@ static inline struct rpc_xprt *xprt_from_sock(struct sock *sk)
         return (struct rpc_xprt *) sk->sk_user_data;
 }
 
+static int xs_local_copy_to_xdr(struct xdr_buf *xdr, struct sk_buff *skb)
+{
+        struct xdr_skb_reader desc = {
+                .skb            = skb,
+                .offset         = sizeof(rpc_fraghdr),
+                .count          = skb->len - sizeof(rpc_fraghdr),
+        };
+
+        if (xdr_partial_copy_from_skb(xdr, 0, &desc, xdr_skb_read_bits) < 0)
+                return -1;
+        if (desc.count)
+                return -1;
+        return 0;
+}
+
+/**
+ * xs_local_data_ready - "data ready" callback for AF_LOCAL sockets
+ * @sk: socket with data to read
+ * @len: how much data to read
+ *
+ * Currently this assumes we can read the whole reply in a single gulp.
+ */
+static void xs_local_data_ready(struct sock *sk, int len)
+{
+        struct rpc_task *task;
+        struct rpc_xprt *xprt;
+        struct rpc_rqst *rovr;
+        struct sk_buff *skb;
+        int err, repsize, copied;
+        u32 _xid;
+        __be32 *xp;
+
+        read_lock_bh(&sk->sk_callback_lock);
+        dprintk("RPC:       %s...\n", __func__);
+        xprt = xprt_from_sock(sk);
+        if (xprt == NULL)
+                goto out;
+
+        skb = skb_recv_datagram(sk, 0, 1, &err);
+        if (skb == NULL)
+                goto out;
+
+        if (xprt->shutdown)
+                goto dropit;
+
+        repsize = skb->len - sizeof(rpc_fraghdr);
+        if (repsize < 4) {
+                dprintk("RPC:       impossible RPC reply size %d\n", repsize);
+                goto dropit;
+        }
+
+        /* Copy the XID from the skb... */
+        xp = skb_header_pointer(skb, sizeof(rpc_fraghdr), sizeof(_xid), &_xid);
+        if (xp == NULL)
+                goto dropit;
+
+        /* Look up and lock the request corresponding to the given XID */
+        spin_lock(&xprt->transport_lock);
+        rovr = xprt_lookup_rqst(xprt, *xp);
+        if (!rovr)
+                goto out_unlock;
+        task = rovr->rq_task;
+
+        copied = rovr->rq_private_buf.buflen;
+        if (copied > repsize)
+                copied = repsize;
+
+        if (xs_local_copy_to_xdr(&rovr->rq_private_buf, skb)) {
+                dprintk("RPC:       sk_buff copy failed\n");
+                goto out_unlock;
+        }
+
+        xprt_complete_rqst(task, copied);
+
+ out_unlock:
+        spin_unlock(&xprt->transport_lock);
+ dropit:
+        skb_free_datagram(sk, skb);
+ out:
+        read_unlock_bh(&sk->sk_callback_lock);
+}
+
 /**
  * xs_udp_data_ready - "data ready" callback for UDP sockets
  * @sk: socket with data to read
@@ -1344,7 +1504,6 @@ static void xs_tcp_state_change(struct sock *sk)
         case TCP_CLOSE_WAIT:
                 /* The server initiated a shutdown of the socket */
                 xprt_force_disconnect(xprt);
-        case TCP_SYN_SENT:
                 xprt->connect_cookie++;
         case TCP_CLOSING:
                 /*
@@ -1571,11 +1730,31 @@ static int xs_bind(struct sock_xprt *transport, struct socket *sock)
         return err;
 }
 
+/*
+ * We don't support autobind on AF_LOCAL sockets
+ */
+static void xs_local_rpcbind(struct rpc_task *task)
+{
+        xprt_set_bound(task->tk_xprt);
+}
+
+static void xs_local_set_port(struct rpc_xprt *xprt, unsigned short port)
+{
+}
 
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 static struct lock_class_key xs_key[2];
 static struct lock_class_key xs_slock_key[2];
 
+static inline void xs_reclassify_socketu(struct socket *sock)
+{
+        struct sock *sk = sock->sk;
+
+        BUG_ON(sock_owned_by_user(sk));
+        sock_lock_init_class_and_name(sk, "slock-AF_LOCAL-RPC",
+                &xs_slock_key[1], "sk_lock-AF_LOCAL-RPC", &xs_key[1]);
+}
+
 static inline void xs_reclassify_socket4(struct socket *sock)
 {
         struct sock *sk = sock->sk;
@@ -1597,6 +1776,9 @@ static inline void xs_reclassify_socket6(struct socket *sock)
 static inline void xs_reclassify_socket(int family, struct socket *sock)
 {
         switch (family) {
+        case AF_LOCAL:
+                xs_reclassify_socketu(sock);
+                break;
         case AF_INET:
                 xs_reclassify_socket4(sock);
                 break;
@@ -1606,6 +1788,10 @@ static inline void xs_reclassify_socket(int family, struct socket *sock)
         }
 }
 #else
+static inline void xs_reclassify_socketu(struct socket *sock)
+{
+}
+
 static inline void xs_reclassify_socket4(struct socket *sock)
 {
 }
@@ -1644,6 +1830,94 @@ out:
         return ERR_PTR(err);
 }
 
+static int xs_local_finish_connecting(struct rpc_xprt *xprt,
+                                      struct socket *sock)
+{
+        struct sock_xprt *transport = container_of(xprt, struct sock_xprt,
+                                                                        xprt);
+
+        if (!transport->inet) {
+                struct sock *sk = sock->sk;
+
+                write_lock_bh(&sk->sk_callback_lock);
+
+                xs_save_old_callbacks(transport, sk);
+
+                sk->sk_user_data = xprt;
+                sk->sk_data_ready = xs_local_data_ready;
+                sk->sk_write_space = xs_udp_write_space;
+                sk->sk_error_report = xs_error_report;
+                sk->sk_allocation = GFP_ATOMIC;
+
+                xprt_clear_connected(xprt);
+
+                /* Reset to new socket */
+                transport->sock = sock;
+                transport->inet = sk;
+
+                write_unlock_bh(&sk->sk_callback_lock);
+        }
+
+        /* Tell the socket layer to start connecting... */
+        xprt->stat.connect_count++;
+        xprt->stat.connect_start = jiffies;
+        return kernel_connect(sock, xs_addr(xprt), xprt->addrlen, 0);
+}
+
+/**
+ * xs_local_setup_socket - create AF_LOCAL socket, connect to a local endpoint
+ * @xprt: RPC transport to connect
+ * @transport: socket transport to connect
+ * @create_sock: function to create a socket of the correct type
+ *
+ * Invoked by a work queue tasklet.
+ */
+static void xs_local_setup_socket(struct work_struct *work)
+{
+        struct sock_xprt *transport =
+                container_of(work, struct sock_xprt, connect_worker.work);
+        struct rpc_xprt *xprt = &transport->xprt;
+        struct socket *sock;
+        int status = -EIO;
+
+        if (xprt->shutdown)
+                goto out;
+
+        clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
+        status = __sock_create(xprt->xprt_net, AF_LOCAL,
+                                        SOCK_STREAM, 0, &sock, 1);
+        if (status < 0) {
+                dprintk("RPC:       can't create AF_LOCAL "
+                        "transport socket (%d).\n", -status);
+                goto out;
+        }
+        xs_reclassify_socketu(sock);
+
+        dprintk("RPC:       worker connecting xprt %p via AF_LOCAL to %s\n",
+                        xprt, xprt->address_strings[RPC_DISPLAY_ADDR]);
+
+        status = xs_local_finish_connecting(xprt, sock);
+        switch (status) {
+        case 0:
+                dprintk("RPC:       xprt %p connected to %s\n",
+                                xprt, xprt->address_strings[RPC_DISPLAY_ADDR]);
+                xprt_set_connected(xprt);
+                break;
+        case -ENOENT:
+                dprintk("RPC:       xprt %p: socket %s does not exist\n",
+                                xprt, xprt->address_strings[RPC_DISPLAY_ADDR]);
+                break;
+        default:
+                printk(KERN_ERR "%s: unhandled error (%d) connecting to %s\n",
+                                __func__, -status,
+                                xprt->address_strings[RPC_DISPLAY_ADDR]);
+        }
+
+out:
+        xprt_clear_connecting(xprt);
+        xprt_wake_pending_tasks(xprt, status);
+}
+
 static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 {
         struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
@@ -1758,6 +2032,7 @@ static void xs_tcp_reuse_connection(struct sock_xprt *transport)
 static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
 {
         struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt);
+        int ret = -ENOTCONN;
 
         if (!transport->inet) {
                 struct sock *sk = sock->sk;
@@ -1789,12 +2064,22 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
         }
 
         if (!xprt_bound(xprt))
-                return -ENOTCONN;
+                goto out;
 
         /* Tell the socket layer to start connecting... */
         xprt->stat.connect_count++;
         xprt->stat.connect_start = jiffies;
-        return kernel_connect(sock, xs_addr(xprt), xprt->addrlen, O_NONBLOCK);
+        ret = kernel_connect(sock, xs_addr(xprt), xprt->addrlen, O_NONBLOCK);
+        switch (ret) {
+        case 0:
+        case -EINPROGRESS:
+                /* SYN_SENT! */
+                xprt->connect_cookie++;
+                if (xprt->reestablish_timeout < XS_TCP_INIT_REEST_TO)
+                        xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO;
+        }
+out:
+        return ret;
 }
 
 /**
@@ -1917,6 +2202,32 @@ static void xs_connect(struct rpc_task *task)
 }
 
 /**
+ * xs_local_print_stats - display AF_LOCAL socket-specifc stats
+ * @xprt: rpc_xprt struct containing statistics
+ * @seq: output file
+ *
+ */
+static void xs_local_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
+{
+        long idle_time = 0;
+
+        if (xprt_connected(xprt))
+                idle_time = (long)(jiffies - xprt->last_used) / HZ;
+
+        seq_printf(seq, "\txprt:\tlocal %lu %lu %lu %ld %lu %lu %lu "
+                        "%llu %llu\n",
+                        xprt->stat.bind_count,
+                        xprt->stat.connect_count,
+                        xprt->stat.connect_time,
+                        idle_time,
+                        xprt->stat.sends,
+                        xprt->stat.recvs,
+                        xprt->stat.bad_xids,
+                        xprt->stat.req_u,
+                        xprt->stat.bklog_u);
+}
+
+/**
  * xs_udp_print_stats - display UDP socket-specifc stats
  * @xprt: rpc_xprt struct containing statistics
  * @seq: output file
@@ -2014,10 +2325,7 @@ static int bc_sendto(struct rpc_rqst *req)
         unsigned long headoff;
         unsigned long tailoff;
 
-        /*
-         * Set up the rpc header and record marker stuff
-         */
-        xs_encode_tcp_record_marker(xbufp);
+        xs_encode_stream_record_marker(xbufp);
 
         tailoff = (unsigned long)xbufp->tail[0].iov_base & ~PAGE_MASK;
         headoff = (unsigned long)xbufp->head[0].iov_base & ~PAGE_MASK;
@@ -2089,6 +2397,21 @@ static void bc_destroy(struct rpc_xprt *xprt)
 {
 }
 
+static struct rpc_xprt_ops xs_local_ops = {
+        .reserve_xprt           = xprt_reserve_xprt,
+        .release_xprt           = xs_tcp_release_xprt,
+        .rpcbind                = xs_local_rpcbind,
+        .set_port               = xs_local_set_port,
+        .connect                = xs_connect,
+        .buf_alloc              = rpc_malloc,
+        .buf_free               = rpc_free,
+        .send_request           = xs_local_send_request,
+        .set_retrans_timeout    = xprt_set_retrans_timeout_def,
+        .close                  = xs_close,
+        .destroy                = xs_destroy,
+        .print_stats            = xs_local_print_stats,
+};
+
 static struct rpc_xprt_ops xs_udp_ops = {
         .set_buffer_size        = xs_udp_set_buffer_size,
         .reserve_xprt           = xprt_reserve_xprt_cong,
@@ -2150,6 +2473,8 @@ static int xs_init_anyaddr(const int family, struct sockaddr *sap)
         };
 
         switch (family) {
+        case AF_LOCAL:
+                break;
         case AF_INET:
                 memcpy(sap, &sin, sizeof(sin));
                 break;
@@ -2197,6 +2522,70 @@ static struct rpc_xprt *xs_setup_xprt(struct xprt_create *args,
         return xprt;
 }
 
+static const struct rpc_timeout xs_local_default_timeout = {
+        .to_initval = 10 * HZ,
+        .to_maxval = 10 * HZ,
+        .to_retries = 2,
+};
+
+/**
+ * xs_setup_local - Set up transport to use an AF_LOCAL socket
+ * @args: rpc transport creation arguments
+ *
+ * AF_LOCAL is a "tpi_cots_ord" transport, just like TCP
+ */
+static struct rpc_xprt *xs_setup_local(struct xprt_create *args)
+{
+        struct sockaddr_un *sun = (struct sockaddr_un *)args->dstaddr;
+        struct sock_xprt *transport;
+        struct rpc_xprt *xprt;
+        struct rpc_xprt *ret;
+
+        xprt = xs_setup_xprt(args, xprt_tcp_slot_table_entries);
+        if (IS_ERR(xprt))
+                return xprt;
+        transport = container_of(xprt, struct sock_xprt, xprt);
+
+        xprt->prot = 0;
+        xprt->tsh_size = sizeof(rpc_fraghdr) / sizeof(u32);
+        xprt->max_payload = RPC_MAX_FRAGMENT_SIZE;
+
+        xprt->bind_timeout = XS_BIND_TO;
+        xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO;
+        xprt->idle_timeout = XS_IDLE_DISC_TO;
+
+        xprt->ops = &xs_local_ops;
+        xprt->timeout = &xs_local_default_timeout;
+
+        switch (sun->sun_family) {
+        case AF_LOCAL:
+                if (sun->sun_path[0] != '/') {
+                        dprintk("RPC:       bad AF_LOCAL address: %s\n",
+                                        sun->sun_path);
+                        ret = ERR_PTR(-EINVAL);
+                        goto out_err;
+                }
+                xprt_set_bound(xprt);
+                INIT_DELAYED_WORK(&transport->connect_worker,
+                                        xs_local_setup_socket);
+                xs_format_peer_addresses(xprt, "local", RPCBIND_NETID_LOCAL);
+                break;
+        default:
+                ret = ERR_PTR(-EAFNOSUPPORT);
+                goto out_err;
+        }
+
+        dprintk("RPC:       set up xprt to %s via AF_LOCAL\n",
+                        xprt->address_strings[RPC_DISPLAY_ADDR]);
+
+        if (try_module_get(THIS_MODULE))
+                return xprt;
+        ret = ERR_PTR(-EINVAL);
+out_err:
+        xprt_free(xprt);
+        return ret;
+}
+
 static const struct rpc_timeout xs_udp_default_timeout = {
         .to_initval = 5 * HZ,
         .to_maxval = 30 * HZ,
@@ -2438,6 +2827,14 @@ out_err:
         return ret;
 }
 
+static struct xprt_class        xs_local_transport = {
+        .list           = LIST_HEAD_INIT(xs_local_transport.list),
+        .name           = "named UNIX socket",
+        .owner          = THIS_MODULE,
+        .ident          = XPRT_TRANSPORT_LOCAL,
+        .setup          = xs_setup_local,
+};
+
 static struct xprt_class        xs_udp_transport = {
         .list           = LIST_HEAD_INIT(xs_udp_transport.list),
         .name           = "udp",
@@ -2473,6 +2870,7 @@ int init_socket_xprt(void)
                 sunrpc_table_header = register_sysctl_table(sunrpc_table);
 #endif
 
+        xprt_register_transport(&xs_local_transport);
         xprt_register_transport(&xs_udp_transport);
         xprt_register_transport(&xs_tcp_transport);
         xprt_register_transport(&xs_bc_tcp_transport);
@@ -2493,6 +2891,7 @@ void cleanup_socket_xprt(void)
         }
 #endif
 
+        xprt_unregister_transport(&xs_local_transport);
         xprt_unregister_transport(&xs_udp_transport);
         xprt_unregister_transport(&xs_tcp_transport);
         xprt_unregister_transport(&xs_bc_tcp_transport);
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index fa68d1e9ff4b..759b318b5ffb 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -552,12 +552,16 @@ static int tipc_bcbearer_send(struct sk_buff *buf,
         if (likely(!msg_non_seq(buf_msg(buf)))) {
                 struct tipc_msg *msg;
 
-                assert(tipc_bcast_nmap.count != 0);
                 bcbuf_set_acks(buf, tipc_bcast_nmap.count);
                 msg = buf_msg(buf);
                 msg_set_non_seq(msg, 1);
                 msg_set_mc_netid(msg, tipc_net_id);
                 bcl->stats.sent_info++;
+
+                if (WARN_ON(!tipc_bcast_nmap.count)) {
+                        dump_stack();
+                        return 0;
+                }
         }
 
         /* Send buffer over bearers until all targets reached */
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 85209eadfae6..85eba9c08ee9 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -402,7 +402,6 @@ void tipc_bearer_lock_push(struct tipc_bearer *b_ptr)
 void tipc_continue(struct tipc_bearer *b_ptr)
 {
         spin_lock_bh(&b_ptr->lock);
-        b_ptr->continue_count++;
         if (!list_empty(&b_ptr->cong_links))
                 tipc_k_signal((Handler)tipc_bearer_lock_push, (unsigned long)b_ptr);
         b_ptr->blocked = 0;
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index 31d6172b20fd..5ad70eff1ebf 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -107,7 +107,6 @@ struct media {
  * @link_req: ptr to (optional) structure making periodic link setup requests
  * @links: list of non-congested links associated with bearer
  * @cong_links: list of congested links associated with bearer
- * @continue_count: # of times bearer has resumed after congestion or blocking
  * @active: non-zero if bearer structure is represents a bearer
  * @net_plane: network plane ('A' through 'H') currently associated with bearer
  * @nodes: indicates which nodes in cluster can be reached through bearer
@@ -129,7 +128,6 @@ struct tipc_bearer {
         struct link_req *link_req;
         struct list_head links;
         struct list_head cong_links;
-        u32 continue_count;
         int active;
         char net_plane;
         struct tipc_node_map nodes;
diff --git a/net/tipc/core.h b/net/tipc/core.h
index 436dda1159d2..d234a98a460a 100644
--- a/net/tipc/core.h
+++ b/net/tipc/core.h
@@ -62,12 +62,6 @@ struct tipc_msg;	/* msg.h */
 struct print_buf;       /* log.h */
 
 /*
- * TIPC sanity test macros
- */
-
-#define assert(i)  BUG_ON(!(i))
-
-/*
  * TIPC system monitoring code
  */
 
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 5ed4b4f7452d..f89570c54f54 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1572,7 +1572,7 @@ static struct sk_buff *link_insert_deferred_queue(struct link *l_ptr,
 static int link_recv_buf_validate(struct sk_buff *buf)
 {
         static u32 min_data_hdr_size[8] = {
-                SHORT_H_SIZE, MCAST_H_SIZE, LONG_H_SIZE, DIR_MSG_H_SIZE,
+                SHORT_H_SIZE, MCAST_H_SIZE, NAMED_H_SIZE, BASIC_H_SIZE,
                 MAX_H_SIZE, MAX_H_SIZE, MAX_H_SIZE, MAX_H_SIZE
                 };
 
@@ -2553,7 +2553,7 @@ int tipc_link_recv_fragment(struct sk_buff **pending, struct sk_buff **fb,
                 u32 msg_sz = msg_size(imsg);
                 u32 fragm_sz = msg_data_sz(fragm);
                 u32 exp_fragm_cnt = msg_sz/fragm_sz + !!(msg_sz % fragm_sz);
-                u32 max =  TIPC_MAX_USER_MSG_SIZE + LONG_H_SIZE;
+                u32 max =  TIPC_MAX_USER_MSG_SIZE + NAMED_H_SIZE;
                 if (msg_type(imsg) == TIPC_MCAST_MSG)
                         max = TIPC_MAX_USER_MSG_SIZE + MCAST_H_SIZE;
                 if (msg_size(imsg) > max) {
@@ -2882,7 +2882,7 @@ static int tipc_link_stats(const char *name, char *buf, const u32 buf_size)
                 profile_total = 1;
         tipc_printf(&pb, "  TX profile sample:%u packets  average:%u octets\n"
                          "  0-64:%u%% -256:%u%% -1024:%u%% -4096:%u%% "
-                         "-16354:%u%% -32768:%u%% -66000:%u%%\n",
+                         "-16384:%u%% -32768:%u%% -66000:%u%%\n",
                     l_ptr->stats.msg_length_counts,
                     l_ptr->stats.msg_lengths_total / profile_total,
                     percent(l_ptr->stats.msg_length_profile[0], profile_total),
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 03e57bf92c73..83d50967910c 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -61,10 +61,8 @@ void tipc_msg_init(struct tipc_msg *m, u32 user, u32 type,
         msg_set_size(m, hsize);
         msg_set_prevnode(m, tipc_own_addr);
         msg_set_type(m, type);
-        if (!msg_short(m)) {
-                msg_set_orignode(m, tipc_own_addr);
-                msg_set_destnode(m, destnode);
-        }
+        msg_set_orignode(m, tipc_own_addr);
+        msg_set_destnode(m, destnode);
 }
 
 /**
diff --git a/net/tipc/msg.h b/net/tipc/msg.h
index 8452454731fa..d93178f2e852 100644
--- a/net/tipc/msg.h
+++ b/net/tipc/msg.h
@@ -68,10 +68,10 @@
  * Message header sizes
  */
 
-#define SHORT_H_SIZE              24    /* Connected, in-cluster messages */
-#define DIR_MSG_H_SIZE            32    /* Directly addressed messages */
-#define LONG_H_SIZE               40    /* Named messages */
-#define MCAST_H_SIZE              44    /* Multicast messages */
+#define SHORT_H_SIZE              24    /* In-cluster basic payload message */
+#define BASIC_H_SIZE              32    /* Basic payload message */
+#define NAMED_H_SIZE              40    /* Named payload message */
+#define MCAST_H_SIZE              44    /* Multicast payload message */
 #define INT_H_SIZE                40    /* Internal messages */
 #define MIN_H_SIZE                24    /* Smallest legal TIPC header size */
 #define MAX_H_SIZE                60    /* Largest possible TIPC header size */
@@ -311,26 +311,6 @@ static inline void msg_set_seqno(struct tipc_msg *m, u32 n)
 }
 
 /*
- * TIPC may utilize the "link ack #" and "link seq #" fields of a short
- * message header to hold the destination node for the message, since the
- * normal "dest node" field isn't present.  This cache is only referenced
- * when required, so populating the cache of a longer message header is
- * harmless (as long as the header has the two link sequence fields present).
- *
- * Note: Host byte order is OK here, since the info never goes off-card.
- */
-
-static inline u32 msg_destnode_cache(struct tipc_msg *m)
-{
-        return m->hdr[2];
-}
-
-static inline void msg_set_destnode_cache(struct tipc_msg *m, u32 dnode)
-{
-        m->hdr[2] = dnode;
-}
-
-/*
  * Words 3-10
  */
 
@@ -377,7 +357,7 @@ static inline void msg_set_mc_netid(struct tipc_msg *m, u32 p)
 
 static inline int msg_short(struct tipc_msg *m)
 {
-        return msg_hdr_sz(m) == 24;
+        return msg_hdr_sz(m) == SHORT_H_SIZE;
 }
 
 static inline u32 msg_orignode(struct tipc_msg *m)
@@ -635,7 +615,7 @@ static inline u32 msg_link_selector(struct tipc_msg *m)
 
 static inline void msg_set_link_selector(struct tipc_msg *m, u32 n)
 {
-        msg_set_bits(m, 4, 0, 1, (n & 1));
+        msg_set_bits(m, 4, 0, 1, n);
 }
 
 /*
@@ -659,7 +639,7 @@ static inline u32 msg_probe(struct tipc_msg *m)
 
 static inline void msg_set_probe(struct tipc_msg *m, u32 val)
 {
-        msg_set_bits(m, 5, 0, 1, (val & 1));
+        msg_set_bits(m, 5, 0, 1, val);
 }
 
 static inline char msg_net_plane(struct tipc_msg *m)
diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 80025a1b3bfd..cd356e504332 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -94,13 +94,13 @@ static void publ_to_item(struct distr_item *i, struct publication *p)
 
 static struct sk_buff *named_prepare_buf(u32 type, u32 size, u32 dest)
 {
-        struct sk_buff *buf = tipc_buf_acquire(LONG_H_SIZE + size);
+        struct sk_buff *buf = tipc_buf_acquire(INT_H_SIZE + size);
         struct tipc_msg *msg;
 
         if (buf != NULL) {
                 msg = buf_msg(buf);
-                tipc_msg_init(msg, NAME_DISTRIBUTOR, type, LONG_H_SIZE, dest);
-                msg_set_size(msg, LONG_H_SIZE + size);
+                tipc_msg_init(msg, NAME_DISTRIBUTOR, type, INT_H_SIZE, dest);
+                msg_set_size(msg, INT_H_SIZE + size);
         }
         return buf;
 }
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 205ed4a4e186..46e6b6c2ecc9 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -2,7 +2,7 @@
  * net/tipc/name_table.c: TIPC name table code
  *
  * Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2004-2008, Wind River Systems
+ * Copyright (c) 2004-2008, 2010-2011, Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -44,9 +44,7 @@
 static int tipc_nametbl_size = 1024;            /* must be a power of 2 */
 
 /**
- * struct sub_seq - container for all published instances of a name sequence
- * @lower: name sequence lower bound
- * @upper: name sequence upper bound
+ * struct name_info - name sequence publication info
  * @node_list: circular list of publications made by own node
  * @cluster_list: circular list of publications made by own cluster
  * @zone_list: circular list of publications made by own zone
@@ -59,18 +57,29 @@ static int tipc_nametbl_size = 1024;		/* must be a power of 2 */
  *       (The cluster and node lists may be empty.)
  */
 
-struct sub_seq {
-        u32 lower;
-        u32 upper;
-        struct publication *node_list;
-        struct publication *cluster_list;
-        struct publication *zone_list;
+struct name_info {
+        struct list_head node_list;
+        struct list_head cluster_list;
+        struct list_head zone_list;
         u32 node_list_size;
         u32 cluster_list_size;
         u32 zone_list_size;
 };
 
 /**
+ * struct sub_seq - container for all published instances of a name sequence
+ * @lower: name sequence lower bound
+ * @upper: name sequence upper bound
+ * @info: pointer to name sequence publication info
+ */
+
+struct sub_seq {
+        u32 lower;
+        u32 upper;
+        struct name_info *info;
+};
+
+/**
  * struct name_seq - container for all published instances of a name type
  * @type: 32 bit 'type' value for name sequence
  * @sseq: pointer to dynamically-sized array of sub-sequences of this 'type';
@@ -246,6 +255,7 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
         struct subscription *st;
         struct publication *publ;
         struct sub_seq *sseq;
+        struct name_info *info;
         int created_subseq = 0;
 
         sseq = nameseq_find_subseq(nseq, lower);
@@ -258,6 +268,8 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
                              type, lower, upper);
                         return NULL;
                 }
+
+                info = sseq->info;
         } else {
                 u32 inspos;
                 struct sub_seq *freesseq;
@@ -292,6 +304,17 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
                         nseq->alloc *= 2;
                 }
 
+                info = kzalloc(sizeof(*info), GFP_ATOMIC);
+                if (!info) {
+                        warn("Cannot publish {%u,%u,%u}, no memory\n",
+                             type, lower, upper);
+                        return NULL;
+                }
+
+                INIT_LIST_HEAD(&info->node_list);
+                INIT_LIST_HEAD(&info->cluster_list);
+                INIT_LIST_HEAD(&info->zone_list);
+
                 /* Insert new sub-sequence */
 
                 sseq = &nseq->sseqs[inspos];
@@ -301,6 +324,7 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
                 nseq->first_free++;
                 sseq->lower = lower;
                 sseq->upper = upper;
+                sseq->info = info;
                 created_subseq = 1;
         }
 
@@ -310,33 +334,17 @@ static struct publication *tipc_nameseq_insert_publ(struct name_seq *nseq,
         if (!publ)
                 return NULL;
 
-        sseq->zone_list_size++;
-        if (!sseq->zone_list)
-                sseq->zone_list = publ->zone_list_next = publ;
-        else {
-                publ->zone_list_next = sseq->zone_list->zone_list_next;
-                sseq->zone_list->zone_list_next = publ;
-        }
+        list_add(&publ->zone_list, &info->zone_list);
+        info->zone_list_size++;
 
         if (in_own_cluster(node)) {
-                sseq->cluster_list_size++;
-                if (!sseq->cluster_list)
-                        sseq->cluster_list = publ->cluster_list_next = publ;
-                else {
-                        publ->cluster_list_next =
-                        sseq->cluster_list->cluster_list_next;
-                        sseq->cluster_list->cluster_list_next = publ;
-                }
+                list_add(&publ->cluster_list, &info->cluster_list);
+                info->cluster_list_size++;
         }
 
         if (node == tipc_own_addr) {
-                sseq->node_list_size++;
-                if (!sseq->node_list)
-                        sseq->node_list = publ->node_list_next = publ;
-                else {
-                        publ->node_list_next = sseq->node_list->node_list_next;
-                        sseq->node_list->node_list_next = publ;
-                }
+                list_add(&publ->node_list, &info->node_list);
+                info->node_list_size++;
         }
 
         /*
@@ -370,9 +378,8 @@ static struct publication *tipc_nameseq_remove_publ(struct name_seq *nseq, u32 i
                                                     u32 node, u32 ref, u32 key)
 {
         struct publication *publ;
-        struct publication *curr;
-        struct publication *prev;
         struct sub_seq *sseq = nameseq_find_subseq(nseq, inst);
+        struct name_info *info;
         struct sub_seq *free;
         struct subscription *s, *st;
         int removed_subseq = 0;
@@ -380,96 +387,41 @@ static struct publication *tipc_nameseq_remove_publ(struct name_seq *nseq, u32 i
         if (!sseq)
                 return NULL;
 
-        /* Remove publication from zone scope list */
+        info = sseq->info;
 
-        prev = sseq->zone_list;
-        publ = sseq->zone_list->zone_list_next;
-        while ((publ->key != key) || (publ->ref != ref) ||
-               (publ->node && (publ->node != node))) {
-                prev = publ;
-                publ = publ->zone_list_next;
-                if (prev == sseq->zone_list) {
+        /* Locate publication, if it exists */
 
-                        /* Prevent endless loop if publication not found */
-
-                        return NULL;
-                }
-        }
-        if (publ != sseq->zone_list)
-                prev->zone_list_next = publ->zone_list_next;
-        else if (publ->zone_list_next != publ) {
-                prev->zone_list_next = publ->zone_list_next;
-                sseq->zone_list = publ->zone_list_next;
-        } else {
-                sseq->zone_list = NULL;
+        list_for_each_entry(publ, &info->zone_list, zone_list) {
+                if ((publ->key == key) && (publ->ref == ref) &&
+                    (!publ->node || (publ->node == node)))
+                        goto found;
         }
-        sseq->zone_list_size--;
+        return NULL;
+
+found:
+        /* Remove publication from zone scope list */
+
+        list_del(&publ->zone_list);
+        info->zone_list_size--;
 
         /* Remove publication from cluster scope list, if present */
 
         if (in_own_cluster(node)) {
-                prev = sseq->cluster_list;
-                curr = sseq->cluster_list->cluster_list_next;
-                while (curr != publ) {
-                        prev = curr;
-                        curr = curr->cluster_list_next;
-                        if (prev == sseq->cluster_list) {
-
-                                /* Prevent endless loop for malformed list */
-
-                                err("Unable to de-list cluster publication\n"
-                                    "{%u%u}, node=0x%x, ref=%u, key=%u)\n",
-                                    publ->type, publ->lower, publ->node,
-                                    publ->ref, publ->key);
-                                goto end_cluster;
-                        }
-                }
-                if (publ != sseq->cluster_list)
-                        prev->cluster_list_next = publ->cluster_list_next;
-                else if (publ->cluster_list_next != publ) {
-                        prev->cluster_list_next = publ->cluster_list_next;
-                        sseq->cluster_list = publ->cluster_list_next;
-                } else {
-                        sseq->cluster_list = NULL;
-                }
-                sseq->cluster_list_size--;
+                list_del(&publ->cluster_list);
+                info->cluster_list_size--;
         }
-end_cluster:
 
         /* Remove publication from node scope list, if present */
 
         if (node == tipc_own_addr) {
-                prev = sseq->node_list;
-                curr = sseq->node_list->node_list_next;
-                while (curr != publ) {
-                        prev = curr;
-                        curr = curr->node_list_next;
-                        if (prev == sseq->node_list) {
-
-                                /* Prevent endless loop for malformed list */
-
-                                err("Unable to de-list node publication\n"
-                                    "{%u%u}, node=0x%x, ref=%u, key=%u)\n",
-                                    publ->type, publ->lower, publ->node,
-                                    publ->ref, publ->key);
-                                goto end_node;
-                        }
-                }
-                if (publ != sseq->node_list)
-                        prev->node_list_next = publ->node_list_next;
-                else if (publ->node_list_next != publ) {
-                        prev->node_list_next = publ->node_list_next;
-                        sseq->node_list = publ->node_list_next;
-                } else {
-                        sseq->node_list = NULL;
-                }
-                sseq->node_list_size--;
+                list_del(&publ->node_list);
+                info->node_list_size--;
         }
-end_node:
 
         /* Contract subseq list if no more publications for that subseq */
 
-        if (!sseq->zone_list) {
+        if (list_empty(&info->zone_list)) {
+                kfree(info);
                 free = &nseq->sseqs[nseq->first_free--];
                 memmove(sseq, sseq + 1, (free - (sseq + 1)) * sizeof(*sseq));
                 removed_subseq = 1;
@@ -506,12 +458,12 @@ static void tipc_nameseq_subscribe(struct name_seq *nseq, struct subscription *s
                 return;
 
         while (sseq != &nseq->sseqs[nseq->first_free]) {
-                struct publication *zl = sseq->zone_list;
-                if (zl && tipc_subscr_overlap(s, sseq->lower, sseq->upper)) {
-                        struct publication *crs = zl;
+                if (tipc_subscr_overlap(s, sseq->lower, sseq->upper)) {
+                        struct publication *crs;
+                        struct name_info *info = sseq->info;
                         int must_report = 1;
 
-                        do {
+                        list_for_each_entry(crs, &info->zone_list, zone_list) {
                                 tipc_subscr_report_overlap(s,
                                                            sseq->lower,
                                                            sseq->upper,
@@ -520,8 +472,7 @@ static void tipc_nameseq_subscribe(struct name_seq *nseq, struct subscription *s
                                                            crs->node,
                                                            must_report);
                                 must_report = 0;
-                                crs = crs->zone_list_next;
-                        } while (crs != zl);
+                        }
                 }
                 sseq++;
         }
@@ -591,9 +542,10 @@ struct publication *tipc_nametbl_remove_publ(u32 type, u32 lower,
 u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *destnode)
 {
         struct sub_seq *sseq;
-        struct publication *publ = NULL;
+        struct name_info *info;
+        struct publication *publ;
         struct name_seq *seq;
-        u32 ref;
+        u32 ref = 0;
 
         if (!tipc_in_scope(*destnode, tipc_own_addr))
                 return 0;
@@ -606,55 +558,57 @@ u32 tipc_nametbl_translate(u32 type, u32 instance, u32 *destnode)
         if (unlikely(!sseq))
                 goto not_found;
         spin_lock_bh(&seq->lock);
+        info = sseq->info;
 
         /* Closest-First Algorithm: */
         if (likely(!*destnode)) {
-                publ = sseq->node_list;
-                if (publ) {
-                        sseq->node_list = publ->node_list_next;
-found:
-                        ref = publ->ref;
-                        *destnode = publ->node;
-                        spin_unlock_bh(&seq->lock);
-                        read_unlock_bh(&tipc_nametbl_lock);
-                        return ref;
-                }
-                publ = sseq->cluster_list;
-                if (publ) {
-                        sseq->cluster_list = publ->cluster_list_next;
-                        goto found;
-                }
-                publ = sseq->zone_list;
-                if (publ) {
-                        sseq->zone_list = publ->zone_list_next;
-                        goto found;
+                if (!list_empty(&info->node_list)) {
+                        publ = list_first_entry(&info->node_list,
+                                                struct publication,
+                                                node_list);
+                        list_move_tail(&publ->node_list,
+                                       &info->node_list);
+                } else if (!list_empty(&info->cluster_list)) {
+                        publ = list_first_entry(&info->cluster_list,
+                                                struct publication,
+                                                cluster_list);
+                        list_move_tail(&publ->cluster_list,
+                                       &info->cluster_list);
+                } else {
+                        publ = list_first_entry(&info->zone_list,
+                                                struct publication,
+                                                zone_list);
+                        list_move_tail(&publ->zone_list,
+                                       &info->zone_list);
                 }
         }
 
         /* Round-Robin Algorithm: */
         else if (*destnode == tipc_own_addr) {
-                publ = sseq->node_list;
-                if (publ) {
-                        sseq->node_list = publ->node_list_next;
-                        goto found;
-                }
+                if (list_empty(&info->node_list))
+                        goto no_match;
+                publ = list_first_entry(&info->node_list, struct publication,
+                                        node_list);
+                list_move_tail(&publ->node_list, &info->node_list);
         } else if (in_own_cluster(*destnode)) {
-                publ = sseq->cluster_list;
-                if (publ) {
-                        sseq->cluster_list = publ->cluster_list_next;
-                        goto found;
-                }
+                if (list_empty(&info->cluster_list))
+                        goto no_match;
+                publ = list_first_entry(&info->cluster_list, struct publication,
+                                        cluster_list);
+                list_move_tail(&publ->cluster_list, &info->cluster_list);
         } else {
-                publ = sseq->zone_list;
-                if (publ) {
-                        sseq->zone_list = publ->zone_list_next;
-                        goto found;
-                }
+                publ = list_first_entry(&info->zone_list, struct publication,
+                                        zone_list);
+                list_move_tail(&publ->zone_list, &info->zone_list);
         }
+
+        ref = publ->ref;
+        *destnode = publ->node;
+no_match:
         spin_unlock_bh(&seq->lock);
 not_found:
         read_unlock_bh(&tipc_nametbl_lock);
-        return 0;
+        return ref;
 }
 
 /**
@@ -676,6 +630,7 @@ int tipc_nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit,
         struct name_seq *seq;
         struct sub_seq *sseq;
         struct sub_seq *sseq_stop;
+        struct name_info *info;
         int res = 0;
 
         read_lock_bh(&tipc_nametbl_lock);
@@ -693,16 +648,13 @@ int tipc_nametbl_mc_translate(u32 type, u32 lower, u32 upper, u32 limit,
                 if (sseq->lower > upper)
                         break;
 
-                publ = sseq->node_list;
-                if (publ) {
-                        do {
-                                if (publ->scope <= limit)
-                                        tipc_port_list_add(dports, publ->ref);
-                                publ = publ->node_list_next;
-                        } while (publ != sseq->node_list);
+                info = sseq->info;
+                list_for_each_entry(publ, &info->node_list, node_list) {
+                        if (publ->scope <= limit)
+                                tipc_port_list_add(dports, publ->ref);
                 }
 
-                if (sseq->cluster_list_size != sseq->node_list_size)
+                if (info->cluster_list_size != info->node_list_size)
                         res = 1;
         }
 
@@ -840,16 +792,19 @@ static void subseq_list(struct sub_seq *sseq, struct print_buf *buf, u32 depth,
 {
         char portIdStr[27];
         const char *scope_str[] = {"", " zone", " cluster", " node"};
-        struct publication *publ = sseq->zone_list;
+        struct publication *publ;
+        struct name_info *info;
 
         tipc_printf(buf, "%-10u %-10u ", sseq->lower, sseq->upper);
 
-        if (depth == 2 || !publ) {
+        if (depth == 2) {
                 tipc_printf(buf, "\n");
                 return;
         }
 
-        do {
+        info = sseq->info;
+
+        list_for_each_entry(publ, &info->zone_list, zone_list) {
                 sprintf(portIdStr, "<%u.%u.%u:%u>",
                          tipc_zone(publ->node), tipc_cluster(publ->node),
                          tipc_node(publ->node), publ->ref);
@@ -858,13 +813,9 @@ static void subseq_list(struct sub_seq *sseq, struct print_buf *buf, u32 depth,
                         tipc_printf(buf, "%-10u %s", publ->key,
                                     scope_str[publ->scope]);
                 }
-
-                publ = publ->zone_list_next;
-                if (publ == sseq->zone_list)
-                        break;
-
-                tipc_printf(buf, "\n%33s", " ");
-        } while (1);
+                if (!list_is_last(&publ->zone_list, &info->zone_list))
+                        tipc_printf(buf, "\n%33s", " ");
+        };
 
         tipc_printf(buf, "\n");
 }
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index d228bd682655..62d77e5e902e 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -2,7 +2,7 @@
  * net/tipc/name_table.h: Include file for TIPC name table code
  *
  * Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2004-2005, Wind River Systems
+ * Copyright (c) 2004-2005, 2010-2011, Wind River Systems
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -61,9 +61,9 @@ struct port_list;
  * @subscr: subscription to "node down" event (for off-node publications only)
  * @local_list: adjacent entries in list of publications made by this node
  * @pport_list: adjacent entries in list of publications made by this port
- * @node_list: next matching name seq publication with >= node scope
- * @cluster_list: next matching name seq publication with >= cluster scope
- * @zone_list: next matching name seq publication with >= zone scope
+ * @node_list: adjacent matching name seq publications with >= node scope
+ * @cluster_list: adjacent matching name seq publications with >= cluster scope
+ * @zone_list: adjacent matching name seq publications with >= zone scope
  *
  * Note that the node list, cluster list, and zone list are circular lists.
  */
@@ -79,9 +79,9 @@ struct publication {
         struct tipc_node_subscr subscr;
         struct list_head local_list;
         struct list_head pport_list;
-        struct publication *node_list_next;
-        struct publication *cluster_list_next;
-        struct publication *zone_list_next;
+        struct list_head node_list;
+        struct list_head cluster_list;
+        struct list_head zone_list;
 };
 
 
diff --git a/net/tipc/port.c b/net/tipc/port.c
index c68dc956a423..54d812a5a4d9 100644
--- a/net/tipc/port.c
+++ b/net/tipc/port.c
@@ -222,7 +222,7 @@ struct tipc_port *tipc_createport_raw(void *usr_handle,
         p_ptr->max_pkt = MAX_PKT_DEFAULT;
         p_ptr->ref = ref;
         msg = &p_ptr->phdr;
-        tipc_msg_init(msg, importance, TIPC_NAMED_MSG, LONG_H_SIZE, 0);
+        tipc_msg_init(msg, importance, TIPC_NAMED_MSG, NAMED_H_SIZE, 0);
         msg_set_origport(msg, ref);
         INIT_LIST_HEAD(&p_ptr->wait_list);
         INIT_LIST_HEAD(&p_ptr->subscription.nodesub_list);
@@ -327,26 +327,23 @@ int tipc_set_portunreturnable(u32 ref, unsigned int isunrejectable)
 }
 
 /*
- * port_build_proto_msg(): build a port level protocol
- * or a connection abortion message. Called with
- * tipc_port lock on.
+ * port_build_proto_msg(): create connection protocol message for port
+ *
+ * On entry the port must be locked and connected.
  */
-static struct sk_buff *port_build_proto_msg(u32 destport, u32 destnode,
-                                            u32 origport, u32 orignode,
-                                            u32 usr, u32 type, u32 err,
-                                            u32 ack)
+static struct sk_buff *port_build_proto_msg(struct tipc_port *p_ptr,
+                                            u32 type, u32 ack)
 {
         struct sk_buff *buf;
         struct tipc_msg *msg;
 
-        buf = tipc_buf_acquire(LONG_H_SIZE);
+        buf = tipc_buf_acquire(INT_H_SIZE);
         if (buf) {
                 msg = buf_msg(buf);
-                tipc_msg_init(msg, usr, type, LONG_H_SIZE, destnode);
-                msg_set_errcode(msg, err);
-                msg_set_destport(msg, destport);
-                msg_set_origport(msg, origport);
-                msg_set_orignode(msg, orignode);
+                tipc_msg_init(msg, CONN_MANAGER, type, INT_H_SIZE,
+                              port_peernode(p_ptr));
+                msg_set_destport(msg, port_peerport(p_ptr));
+                msg_set_origport(msg, p_ptr->ref);
                 msg_set_msgcnt(msg, ack);
         }
         return buf;
@@ -358,45 +355,48 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
         struct sk_buff *rbuf;
         struct tipc_msg *rmsg;
         int hdr_sz;
-        u32 imp = msg_importance(msg);
+        u32 imp;
         u32 data_sz = msg_data_sz(msg);
-
-        if (data_sz > MAX_REJECT_SIZE)
-                data_sz = MAX_REJECT_SIZE;
-        if (msg_connected(msg) && (imp < TIPC_CRITICAL_IMPORTANCE))
-                imp++;
+        u32 src_node;
+        u32 rmsg_sz;
 
         /* discard rejected message if it shouldn't be returned to sender */
-        if (msg_errcode(msg) || msg_dest_droppable(msg)) {
-                buf_discard(buf);
-                return data_sz;
-        }
 
-        /* construct rejected message */
-        if (msg_mcast(msg))
-                hdr_sz = MCAST_H_SIZE;
-        else
-                hdr_sz = LONG_H_SIZE;
-        rbuf = tipc_buf_acquire(data_sz + hdr_sz);
-        if (rbuf == NULL) {
-                buf_discard(buf);
-                return data_sz;
+        if (WARN(!msg_isdata(msg),
+                 "attempt to reject message with user=%u", msg_user(msg))) {
+                dump_stack();
+                goto exit;
         }
+        if (msg_errcode(msg) || msg_dest_droppable(msg))
+                goto exit;
+
+        /*
+         * construct returned message by copying rejected message header and
+         * data (or subset), then updating header fields that need adjusting
+         */
+
+        hdr_sz = msg_hdr_sz(msg);
+        rmsg_sz = hdr_sz + min_t(u32, data_sz, MAX_REJECT_SIZE);
+
+        rbuf = tipc_buf_acquire(rmsg_sz);
+        if (rbuf == NULL)
+                goto exit;
+
         rmsg = buf_msg(rbuf);
-        tipc_msg_init(rmsg, imp, msg_type(msg), hdr_sz, msg_orignode(msg));
-        msg_set_errcode(rmsg, err);
-        msg_set_destport(rmsg, msg_origport(msg));
-        msg_set_origport(rmsg, msg_destport(msg));
-        if (msg_short(msg)) {
-                msg_set_orignode(rmsg, tipc_own_addr);
-                /* leave name type & instance as zeroes */
-        } else {
-                msg_set_orignode(rmsg, msg_destnode(msg));
-                msg_set_nametype(rmsg, msg_nametype(msg));
-                msg_set_nameinst(rmsg, msg_nameinst(msg));
+        skb_copy_to_linear_data(rbuf, msg, rmsg_sz);
+
+        if (msg_connected(rmsg)) {
+                imp = msg_importance(rmsg);
+                if (imp < TIPC_CRITICAL_IMPORTANCE)
+                        msg_set_importance(rmsg, ++imp);
         }
-        msg_set_size(rmsg, data_sz + hdr_sz);
-        skb_copy_to_linear_data_offset(rbuf, hdr_sz, msg_data(msg), data_sz);
+        msg_set_non_seq(rmsg, 0);
+        msg_set_size(rmsg, rmsg_sz);
+        msg_set_errcode(rmsg, err);
+        msg_set_prevnode(rmsg, tipc_own_addr);
+        msg_swap_words(rmsg, 4, 5);
+        if (!msg_short(rmsg))
+                msg_swap_words(rmsg, 6, 7);
 
         /* send self-abort message when rejecting on a connected port */
         if (msg_connected(msg)) {
@@ -411,9 +411,15 @@ int tipc_reject_msg(struct sk_buff *buf, u32 err)
                 tipc_net_route_msg(abuf);
         }
 
-        /* send rejected message */
+        /* send returned message & dispose of rejected message */
+
+        src_node = msg_prevnode(msg);
+        if (src_node == tipc_own_addr)
+                tipc_port_recv_msg(rbuf);
+        else
+                tipc_link_send(rbuf, src_node, msg_link_selector(rmsg));
+exit:
         buf_discard(buf);
-        tipc_net_route_msg(rbuf);
         return data_sz;
 }
 
@@ -449,14 +455,7 @@ static void port_timeout(unsigned long ref)
         if (p_ptr->probing_state == PROBING) {
                 buf = port_build_self_abort_msg(p_ptr, TIPC_ERR_NO_PORT);
         } else {
-                buf = port_build_proto_msg(port_peerport(p_ptr),
-                                           port_peernode(p_ptr),
-                                           p_ptr->ref,
-                                           tipc_own_addr,
-                                           CONN_MANAGER,
-                                           CONN_PROBE,
-                                           TIPC_OK,
-                                           0);
+                buf = port_build_proto_msg(p_ptr, CONN_PROBE, 0);
                 p_ptr->probing_state = PROBING;
                 k_start_timer(&p_ptr->timer, p_ptr->probing_interval);
         }
@@ -480,100 +479,94 @@ static void port_handle_node_down(unsigned long ref)
 
 static struct sk_buff *port_build_self_abort_msg(struct tipc_port *p_ptr, u32 err)
 {
-        u32 imp = msg_importance(&p_ptr->phdr);
+        struct sk_buff *buf = port_build_peer_abort_msg(p_ptr, err);
 
-        if (!p_ptr->connected)
-                return NULL;
-        if (imp < TIPC_CRITICAL_IMPORTANCE)
-                imp++;
-        return port_build_proto_msg(p_ptr->ref,
-                                    tipc_own_addr,
-                                    port_peerport(p_ptr),
-                                    port_peernode(p_ptr),
-                                    imp,
-                                    TIPC_CONN_MSG,
-                                    err,
-                                    0);
+        if (buf) {
+                struct tipc_msg *msg = buf_msg(buf);
+                msg_swap_words(msg, 4, 5);
+                msg_swap_words(msg, 6, 7);
+        }
+        return buf;
 }
 
 
 static struct sk_buff *port_build_peer_abort_msg(struct tipc_port *p_ptr, u32 err)
 {
-        u32 imp = msg_importance(&p_ptr->phdr);
+        struct sk_buff *buf;
+        struct tipc_msg *msg;
+        u32 imp;
 
         if (!p_ptr->connected)
                 return NULL;
-        if (imp < TIPC_CRITICAL_IMPORTANCE)
-                imp++;
-        return port_build_proto_msg(port_peerport(p_ptr),
-                                    port_peernode(p_ptr),
-                                    p_ptr->ref,
-                                    tipc_own_addr,
-                                    imp,
-                                    TIPC_CONN_MSG,
-                                    err,
-                                    0);
+
+        buf = tipc_buf_acquire(BASIC_H_SIZE);
+        if (buf) {
+                msg = buf_msg(buf);
+                memcpy(msg, &p_ptr->phdr, BASIC_H_SIZE);
+                msg_set_hdr_sz(msg, BASIC_H_SIZE);
+                msg_set_size(msg, BASIC_H_SIZE);
+                imp = msg_importance(msg);
+                if (imp < TIPC_CRITICAL_IMPORTANCE)
+                        msg_set_importance(msg, ++imp);
+                msg_set_errcode(msg, err);
+        }
+        return buf;
 }
 
 void tipc_port_recv_proto_msg(struct sk_buff *buf)
 {
         struct tipc_msg *msg = buf_msg(buf);
-        struct tipc_port *p_ptr = tipc_port_lock(msg_destport(msg));
-        u32 err = TIPC_OK;
+        struct tipc_port *p_ptr;
         struct sk_buff *r_buf = NULL;
-        struct sk_buff *abort_buf = NULL;
-
-        if (!p_ptr) {
-                err = TIPC_ERR_NO_PORT;
-        } else if (p_ptr->connected) {
-                if ((port_peernode(p_ptr) != msg_orignode(msg)) ||
-                    (port_peerport(p_ptr) != msg_origport(msg))) {
-                        err = TIPC_ERR_NO_PORT;
-                } else if (msg_type(msg) == CONN_ACK) {
-                        int wakeup = tipc_port_congested(p_ptr) &&
-                                     p_ptr->congested &&
-                                     p_ptr->wakeup;
-                        p_ptr->acked += msg_msgcnt(msg);
-                        if (tipc_port_congested(p_ptr))
-                                goto exit;
-                        p_ptr->congested = 0;
-                        if (!wakeup)
-                                goto exit;
-                        p_ptr->wakeup(p_ptr);
-                        goto exit;
+        u32 orignode = msg_orignode(msg);
+        u32 origport = msg_origport(msg);
+        u32 destport = msg_destport(msg);
+        int wakeable;
+
+        /* Validate connection */
+
+        p_ptr = tipc_port_lock(destport);
+        if (!p_ptr || !p_ptr->connected ||
+            (port_peernode(p_ptr) != orignode) ||
+            (port_peerport(p_ptr) != origport)) {
+                r_buf = tipc_buf_acquire(BASIC_H_SIZE);
+                if (r_buf) {
+                        msg = buf_msg(r_buf);
+                        tipc_msg_init(msg, TIPC_HIGH_IMPORTANCE, TIPC_CONN_MSG,
+                                      BASIC_H_SIZE, orignode);
+                        msg_set_errcode(msg, TIPC_ERR_NO_PORT);
+                        msg_set_origport(msg, destport);
+                        msg_set_destport(msg, origport);
                 }
-        } else if (p_ptr->published) {
-                err = TIPC_ERR_NO_PORT;
-        }
-        if (err) {
-                r_buf = port_build_proto_msg(msg_origport(msg),
-                                             msg_orignode(msg),
-                                             msg_destport(msg),
-                                             tipc_own_addr,
-                                             TIPC_HIGH_IMPORTANCE,
-                                             TIPC_CONN_MSG,
-                                             err,
-                                             0);
+                if (p_ptr)
+                        tipc_port_unlock(p_ptr);
                 goto exit;
         }
 
-        /* All is fine */
-        if (msg_type(msg) == CONN_PROBE) {
-                r_buf = port_build_proto_msg(msg_origport(msg),
-                                             msg_orignode(msg),
-                                             msg_destport(msg),
-                                             tipc_own_addr,
-                                             CONN_MANAGER,
-                                             CONN_PROBE_REPLY,
-                                             TIPC_OK,
-                                             0);
+        /* Process protocol message sent by peer */
+
+        switch (msg_type(msg)) {
+        case CONN_ACK:
+                wakeable = tipc_port_congested(p_ptr) && p_ptr->congested &&
+                        p_ptr->wakeup;
+                p_ptr->acked += msg_msgcnt(msg);
+                if (!tipc_port_congested(p_ptr)) {
+                        p_ptr->congested = 0;
+                        if (wakeable)
+                                p_ptr->wakeup(p_ptr);
+                }
+                break;
+        case CONN_PROBE:
+                r_buf = port_build_proto_msg(p_ptr, CONN_PROBE_REPLY, 0);
+                break;
+        default:
+                /* CONN_PROBE_REPLY or unrecognized - no action required */
+                break;
         }
         p_ptr->probing_state = CONFIRMED;
+        tipc_port_unlock(p_ptr);
 exit:
-        if (p_ptr)
-                tipc_port_unlock(p_ptr);
         tipc_net_route_msg(r_buf);
-        tipc_net_route_msg(abort_buf);
         buf_discard(buf);
 }
 
@@ -889,14 +882,7 @@ void tipc_acknowledge(u32 ref, u32 ack)
                 return;
         if (p_ptr->connected) {
                 p_ptr->conn_unacked -= ack;
-                buf = port_build_proto_msg(port_peerport(p_ptr),
-                                           port_peernode(p_ptr),
-                                           ref,
-                                           tipc_own_addr,
-                                           CONN_MANAGER,
-                                           CONN_ACK,
-                                           TIPC_OK,
-                                           ack);
+                buf = port_build_proto_msg(p_ptr, CONN_ACK, ack);
         }
         tipc_port_unlock(p_ptr);
         tipc_net_route_msg(buf);
@@ -1140,19 +1126,7 @@ int tipc_shutdown(u32 ref)
         if (!p_ptr)
                 return -EINVAL;
 
-        if (p_ptr->connected) {
-                u32 imp = msg_importance(&p_ptr->phdr);
-                if (imp < TIPC_CRITICAL_IMPORTANCE)
-                        imp++;
-                buf = port_build_proto_msg(port_peerport(p_ptr),
-                                           port_peernode(p_ptr),
-                                           ref,
-                                           tipc_own_addr,
-                                           imp,
-                                           TIPC_CONN_MSG,
-                                           TIPC_CONN_SHUTDOWN,
-                                           0);
-        }
+        buf = port_build_peer_abort_msg(p_ptr, TIPC_CONN_SHUTDOWN);
         tipc_port_unlock(p_ptr);
         tipc_net_route_msg(buf);
         return tipc_disconnect(ref);
@@ -1238,7 +1212,7 @@ int tipc_send2name(u32 ref, struct tipc_name const *name, unsigned int domain,
         msg_set_type(msg, TIPC_NAMED_MSG);
         msg_set_orignode(msg, tipc_own_addr);
         msg_set_origport(msg, ref);
-        msg_set_hdr_sz(msg, LONG_H_SIZE);
+        msg_set_hdr_sz(msg, NAMED_H_SIZE);
         msg_set_nametype(msg, name->type);
         msg_set_nameinst(msg, name->instance);
         msg_set_lookup_scope(msg, tipc_addr_scope(domain));
@@ -1291,7 +1265,7 @@ int tipc_send2port(u32 ref, struct tipc_portid const *dest,
         msg_set_origport(msg, ref);
         msg_set_destnode(msg, dest->node);
         msg_set_destport(msg, dest->ref);
-        msg_set_hdr_sz(msg, DIR_MSG_H_SIZE);
+        msg_set_hdr_sz(msg, BASIC_H_SIZE);
 
         if (dest->node == tipc_own_addr)
                 res =  tipc_port_recv_sections(p_ptr, num_sect, msg_sect,
@@ -1331,13 +1305,13 @@ int tipc_send_buf2port(u32 ref, struct tipc_portid const *dest,
         msg_set_origport(msg, ref);
         msg_set_destnode(msg, dest->node);
         msg_set_destport(msg, dest->ref);
-        msg_set_hdr_sz(msg, DIR_MSG_H_SIZE);
-        msg_set_size(msg, DIR_MSG_H_SIZE + dsz);
-        if (skb_cow(buf, DIR_MSG_H_SIZE))
+        msg_set_hdr_sz(msg, BASIC_H_SIZE);
+        msg_set_size(msg, BASIC_H_SIZE + dsz);
+        if (skb_cow(buf, BASIC_H_SIZE))
                 return -ENOMEM;
 
-        skb_push(buf, DIR_MSG_H_SIZE);
-        skb_copy_to_linear_data(buf, msg, DIR_MSG_H_SIZE);
+        skb_push(buf, BASIC_H_SIZE);
+        skb_copy_to_linear_data(buf, msg, BASIC_H_SIZE);
 
         if (dest->node == tipc_own_addr)
                 res = tipc_port_recv_msg(buf);
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 338837396642..adb2eff4a102 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -36,9 +36,6 @@
 
 #include <net/sock.h>
 
-#include <linux/tipc.h>
-#include <linux/tipc_config.h>
-
 #include "core.h"
 #include "port.h"
 
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 4680b1e4c79c..d30615419b4d 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -237,21 +237,21 @@ static int x25_device_event(struct notifier_block *this, unsigned long event,
 #endif
          ) {
                 switch (event) {
-                        case NETDEV_UP:
-                                x25_link_device_up(dev);
-                                break;
-                        case NETDEV_GOING_DOWN:
-                                nb = x25_get_neigh(dev);
-                                if (nb) {
-                                        x25_terminate_link(nb);
-                                        x25_neigh_put(nb);
-                                }
-                                break;
-                        case NETDEV_DOWN:
-                                x25_kill_by_device(dev);
-                                x25_route_device_down(dev);
-                                x25_link_device_down(dev);
-                                break;
+                case NETDEV_UP:
+                        x25_link_device_up(dev);
+                        break;
+                case NETDEV_GOING_DOWN:
+                        nb = x25_get_neigh(dev);
+                        if (nb) {
+                                x25_terminate_link(nb);
+                                x25_neigh_put(nb);
+                        }
+                        break;
+                case NETDEV_DOWN:
+                        x25_kill_by_device(dev);
+                        x25_route_device_down(dev);
+                        x25_link_device_down(dev);
+                        break;
                 }
         }
 
@@ -1336,256 +1336,253 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
         int rc;
 
         switch (cmd) {
-                case TIOCOUTQ: {
-                        int amount;
+        case TIOCOUTQ: {
+                int amount;
 
-                        amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
-                        if (amount < 0)
-                                amount = 0;
-                        rc = put_user(amount, (unsigned int __user *)argp);
-                        break;
-                }
+                amount = sk->sk_sndbuf - sk_wmem_alloc_get(sk);
+                if (amount < 0)
+                        amount = 0;
+                rc = put_user(amount, (unsigned int __user *)argp);
+                break;
+        }
 
-                case TIOCINQ: {
-                        struct sk_buff *skb;
-                        int amount = 0;
-                        /*
-                         * These two are safe on a single CPU system as
-                         * only user tasks fiddle here
-                         */
-                        lock_sock(sk);
-                        if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
-                                amount = skb->len;
-                        release_sock(sk);
-                        rc = put_user(amount, (unsigned int __user *)argp);
-                        break;
-                }
+        case TIOCINQ: {
+                struct sk_buff *skb;
+                int amount = 0;
+                /*
+                 * These two are safe on a single CPU system as
+                 * only user tasks fiddle here
+                 */
+                lock_sock(sk);
+                if ((skb = skb_peek(&sk->sk_receive_queue)) != NULL)
+                        amount = skb->len;
+                release_sock(sk);
+                rc = put_user(amount, (unsigned int __user *)argp);
+                break;
+        }
 
-                case SIOCGSTAMP:
-                        rc = -EINVAL;
-                        if (sk)
-                                rc = sock_get_timestamp(sk,
+        case SIOCGSTAMP:
+                rc = -EINVAL;
+                if (sk)
+                        rc = sock_get_timestamp(sk,
                                                 (struct timeval __user *)argp);
+                break;
+        case SIOCGSTAMPNS:
+                rc = -EINVAL;
+                if (sk)
+                        rc = sock_get_timestampns(sk,
+                                        (struct timespec __user *)argp);
+                break;
+        case SIOCGIFADDR:
+        case SIOCSIFADDR:
+        case SIOCGIFDSTADDR:
+        case SIOCSIFDSTADDR:
+        case SIOCGIFBRDADDR:
+        case SIOCSIFBRDADDR:
+        case SIOCGIFNETMASK:
+        case SIOCSIFNETMASK:
+        case SIOCGIFMETRIC:
+        case SIOCSIFMETRIC:
+                rc = -EINVAL;
+                break;
+        case SIOCADDRT:
+        case SIOCDELRT:
+                rc = -EPERM;
+                if (!capable(CAP_NET_ADMIN))
                         break;
-                case SIOCGSTAMPNS:
-                        rc = -EINVAL;
-                        if (sk)
-                                rc = sock_get_timestampns(sk,
-                                                (struct timespec __user *)argp);
-                        break;
-                case SIOCGIFADDR:
-                case SIOCSIFADDR:
-                case SIOCGIFDSTADDR:
-                case SIOCSIFDSTADDR:
-                case SIOCGIFBRDADDR:
-                case SIOCSIFBRDADDR:
-                case SIOCGIFNETMASK:
-                case SIOCSIFNETMASK:
-                case SIOCGIFMETRIC:
-                case SIOCSIFMETRIC:
-                        rc = -EINVAL;
-                        break;
-                case SIOCADDRT:
-                case SIOCDELRT:
-                        rc = -EPERM;
-                        if (!capable(CAP_NET_ADMIN))
-                                break;
-                        rc = x25_route_ioctl(cmd, argp);
-                        break;
-                case SIOCX25GSUBSCRIP:
-                        rc = x25_subscr_ioctl(cmd, argp);
-                        break;
-                case SIOCX25SSUBSCRIP:
-                        rc = -EPERM;
-                        if (!capable(CAP_NET_ADMIN))
-                                break;
-                        rc = x25_subscr_ioctl(cmd, argp);
-                        break;
-                case SIOCX25GFACILITIES: {
-                        lock_sock(sk);
-                        rc = copy_to_user(argp, &x25->facilities,
-                                                sizeof(x25->facilities))
-                                                ? -EFAULT : 0;
-                        release_sock(sk);
+                rc = x25_route_ioctl(cmd, argp);
+                break;
+        case SIOCX25GSUBSCRIP:
+                rc = x25_subscr_ioctl(cmd, argp);
+                break;
+        case SIOCX25SSUBSCRIP:
+                rc = -EPERM;
+                if (!capable(CAP_NET_ADMIN))
                         break;
-                }
+                rc = x25_subscr_ioctl(cmd, argp);
+                break;
+        case SIOCX25GFACILITIES: {
+                lock_sock(sk);
+                rc = copy_to_user(argp, &x25->facilities,
+                                  sizeof(x25->facilities))
+                        ? -EFAULT : 0;
+                release_sock(sk);
+                break;
+        }
 
-                case SIOCX25SFACILITIES: {
-                        struct x25_facilities facilities;
-                        rc = -EFAULT;
-                        if (copy_from_user(&facilities, argp,
-                                           sizeof(facilities)))
-                                break;
-                        rc = -EINVAL;
-                        lock_sock(sk);
-                        if (sk->sk_state != TCP_LISTEN &&
-                            sk->sk_state != TCP_CLOSE)
-                                goto out_fac_release;
-                        if (facilities.pacsize_in < X25_PS16 ||
-                            facilities.pacsize_in > X25_PS4096)
-                                goto out_fac_release;
-                        if (facilities.pacsize_out < X25_PS16 ||
-                            facilities.pacsize_out > X25_PS4096)
-                                goto out_fac_release;
-                        if (facilities.winsize_in < 1 ||
-                            facilities.winsize_in > 127)
+        case SIOCX25SFACILITIES: {
+                struct x25_facilities facilities;
+                rc = -EFAULT;
+                if (copy_from_user(&facilities, argp, sizeof(facilities)))
+                        break;
+                rc = -EINVAL;
+                lock_sock(sk);
+                if (sk->sk_state != TCP_LISTEN &&
+                    sk->sk_state != TCP_CLOSE)
+                        goto out_fac_release;
+                if (facilities.pacsize_in < X25_PS16 ||
+                    facilities.pacsize_in > X25_PS4096)
+                        goto out_fac_release;
+                if (facilities.pacsize_out < X25_PS16 ||
+                    facilities.pacsize_out > X25_PS4096)
+                        goto out_fac_release;
+                if (facilities.winsize_in < 1 ||
+                    facilities.winsize_in > 127)
+                        goto out_fac_release;
+                if (facilities.throughput) {
+                        int out = facilities.throughput & 0xf0;
+                        int in  = facilities.throughput & 0x0f;
+                        if (!out)
+                                facilities.throughput |=
+                                        X25_DEFAULT_THROUGHPUT << 4;
+                        else if (out < 0x30 || out > 0xD0)
                                 goto out_fac_release;
-                        if (facilities.throughput) {
-                                int out = facilities.throughput & 0xf0;
-                                int in  = facilities.throughput & 0x0f;
-                                if (!out)
-                                        facilities.throughput |=
-                                                X25_DEFAULT_THROUGHPUT << 4;
-                                else if (out < 0x30 || out > 0xD0)
-                                        goto out_fac_release;
-                                if (!in)
-                                        facilities.throughput |=
-                                                X25_DEFAULT_THROUGHPUT;
-                                else if (in < 0x03 || in > 0x0D)
-                                        goto out_fac_release;
-                        }
-                        if (facilities.reverse &&
-                                (facilities.reverse & 0x81) != 0x81)
+                        if (!in)
+                                facilities.throughput |=
+                                        X25_DEFAULT_THROUGHPUT;
+                        else if (in < 0x03 || in > 0x0D)
                                 goto out_fac_release;
-                        x25->facilities = facilities;
-                        rc = 0;
-out_fac_release:
-                        release_sock(sk);
-                        break;
-                }
-
-                case SIOCX25GDTEFACILITIES: {
-                        lock_sock(sk);
-                        rc = copy_to_user(argp, &x25->dte_facilities,
-                                                sizeof(x25->dte_facilities));
-                        release_sock(sk);
-                        if (rc)
-                                rc = -EFAULT;
-                        break;
                 }
+                if (facilities.reverse &&
+                    (facilities.reverse & 0x81) != 0x81)
+                        goto out_fac_release;
+                x25->facilities = facilities;
+                rc = 0;
+out_fac_release:
+                release_sock(sk);
+                break;
+        }
 
-                case SIOCX25SDTEFACILITIES: {
-                        struct x25_dte_facilities dtefacs;
+        case SIOCX25GDTEFACILITIES: {
+                lock_sock(sk);
+                rc = copy_to_user(argp, &x25->dte_facilities,
+                                  sizeof(x25->dte_facilities));
+                release_sock(sk);
+                if (rc)
                         rc = -EFAULT;
-                        if (copy_from_user(&dtefacs, argp, sizeof(dtefacs)))
-                                break;
-                        rc = -EINVAL;
-                        lock_sock(sk);
-                        if (sk->sk_state != TCP_LISTEN &&
-                                        sk->sk_state != TCP_CLOSE)
-                                goto out_dtefac_release;
-                        if (dtefacs.calling_len > X25_MAX_AE_LEN)
-                                goto out_dtefac_release;
-                        if (dtefacs.calling_ae == NULL)
-                                goto out_dtefac_release;
-                        if (dtefacs.called_len > X25_MAX_AE_LEN)
-                                goto out_dtefac_release;
-                        if (dtefacs.called_ae == NULL)
-                                goto out_dtefac_release;
-                        x25->dte_facilities = dtefacs;
-                        rc = 0;
-out_dtefac_release:
-                        release_sock(sk);
-                        break;
-                }
+                break;
+        }
 
-                case SIOCX25GCALLUSERDATA: {
-                        lock_sock(sk);
-                        rc = copy_to_user(argp, &x25->calluserdata,
-                                        sizeof(x25->calluserdata))
-                                        ? -EFAULT : 0;
-                        release_sock(sk);
+        case SIOCX25SDTEFACILITIES: {
+                struct x25_dte_facilities dtefacs;
+                rc = -EFAULT;
+                if (copy_from_user(&dtefacs, argp, sizeof(dtefacs)))
                         break;
-                }
+                rc = -EINVAL;
+                lock_sock(sk);
+                if (sk->sk_state != TCP_LISTEN &&
+                    sk->sk_state != TCP_CLOSE)
+                        goto out_dtefac_release;
+                if (dtefacs.calling_len > X25_MAX_AE_LEN)
+                        goto out_dtefac_release;
+                if (dtefacs.calling_ae == NULL)
+                        goto out_dtefac_release;
+                if (dtefacs.called_len > X25_MAX_AE_LEN)
+                        goto out_dtefac_release;
+                if (dtefacs.called_ae == NULL)
+                        goto out_dtefac_release;
+                x25->dte_facilities = dtefacs;
+                rc = 0;
+out_dtefac_release:
+                release_sock(sk);
+                break;
+        }
 
-                case SIOCX25SCALLUSERDATA: {
-                        struct x25_calluserdata calluserdata;
+        case SIOCX25GCALLUSERDATA: {
+                lock_sock(sk);
+                rc = copy_to_user(argp, &x25->calluserdata,
+                                  sizeof(x25->calluserdata))
+                        ? -EFAULT : 0;
+                release_sock(sk);
+                break;
+        }
 
-                        rc = -EFAULT;
-                        if (copy_from_user(&calluserdata, argp,
-                                           sizeof(calluserdata)))
-                                break;
-                        rc = -EINVAL;
-                        if (calluserdata.cudlength > X25_MAX_CUD_LEN)
-                                break;
-                        lock_sock(sk);
-                        x25->calluserdata = calluserdata;
-                        release_sock(sk);
-                        rc = 0;
-                        break;
-                }
+        case SIOCX25SCALLUSERDATA: {
+                struct x25_calluserdata calluserdata;
 
-                case SIOCX25GCAUSEDIAG: {
-                        lock_sock(sk);
-                        rc = copy_to_user(argp, &x25->causediag,
-                                        sizeof(x25->causediag))
-                                        ? -EFAULT : 0;
-                        release_sock(sk);
+                rc = -EFAULT;
+                if (copy_from_user(&calluserdata, argp, sizeof(calluserdata)))
                         break;
-                }
+                rc = -EINVAL;
+                if (calluserdata.cudlength > X25_MAX_CUD_LEN)
+                        break;
+                lock_sock(sk);
+                x25->calluserdata = calluserdata;
+                release_sock(sk);
+                rc = 0;
+                break;
+        }
 
-                case SIOCX25SCAUSEDIAG: {
-                        struct x25_causediag causediag;
-                        rc = -EFAULT;
-                        if (copy_from_user(&causediag, argp, sizeof(causediag)))
-                                break;
-                        lock_sock(sk);
-                        x25->causediag = causediag;
-                        release_sock(sk);
-                        rc = 0;
+        case SIOCX25GCAUSEDIAG: {
+                lock_sock(sk);
+                rc = copy_to_user(argp, &x25->causediag, sizeof(x25->causediag))
+                        ? -EFAULT : 0;
+                release_sock(sk);
+                break;
+        }
+
+        case SIOCX25SCAUSEDIAG: {
+                struct x25_causediag causediag;
+                rc = -EFAULT;
+                if (copy_from_user(&causediag, argp, sizeof(causediag)))
                         break;
+                lock_sock(sk);
+                x25->causediag = causediag;
+                release_sock(sk);
+                rc = 0;
+                break;
 
-                }
+        }
 
-                case SIOCX25SCUDMATCHLEN: {
-                        struct x25_subaddr sub_addr;
-                        rc = -EINVAL;
-                        lock_sock(sk);
-                        if(sk->sk_state != TCP_CLOSE)
-                                goto out_cud_release;
-                        rc = -EFAULT;
-                        if (copy_from_user(&sub_addr, argp,
-                                        sizeof(sub_addr)))
-                                goto out_cud_release;
-                        rc = -EINVAL;
-                        if(sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
-                                goto out_cud_release;
-                        x25->cudmatchlength = sub_addr.cudmatchlength;
-                        rc = 0;
+        case SIOCX25SCUDMATCHLEN: {
+                struct x25_subaddr sub_addr;
+                rc = -EINVAL;
+                lock_sock(sk);
+                if(sk->sk_state != TCP_CLOSE)
+                        goto out_cud_release;
+                rc = -EFAULT;
+                if (copy_from_user(&sub_addr, argp,
+                                   sizeof(sub_addr)))
+                        goto out_cud_release;
+                rc = -EINVAL;
+                if (sub_addr.cudmatchlength > X25_MAX_CUD_LEN)
+                        goto out_cud_release;
+                x25->cudmatchlength = sub_addr.cudmatchlength;
+                rc = 0;
 out_cud_release:
-                        release_sock(sk);
-                        break;
-                }
+                release_sock(sk);
+                break;
+        }
 
-                case SIOCX25CALLACCPTAPPRV: {
-                        rc = -EINVAL;
-                        lock_sock(sk);
-                        if (sk->sk_state != TCP_CLOSE)
-                                break;
-                        clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
-                        release_sock(sk);
-                        rc = 0;
+        case SIOCX25CALLACCPTAPPRV: {
+                rc = -EINVAL;
+                lock_sock(sk);
+                if (sk->sk_state != TCP_CLOSE)
                         break;
-                }
+                clear_bit(X25_ACCPT_APPRV_FLAG, &x25->flags);
+                release_sock(sk);
+                rc = 0;
+                break;
+        }
 
-                case SIOCX25SENDCALLACCPT:  {
-                        rc = -EINVAL;
-                        lock_sock(sk);
-                        if (sk->sk_state != TCP_ESTABLISHED)
-                                break;
-                        /* must call accptapprv above */
-                        if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags))
-                                break;
-                        x25_write_internal(sk, X25_CALL_ACCEPTED);
-                        x25->state = X25_STATE_3;
-                        release_sock(sk);
-                        rc = 0;
+        case SIOCX25SENDCALLACCPT:  {
+                rc = -EINVAL;
+                lock_sock(sk);
+                if (sk->sk_state != TCP_ESTABLISHED)
                         break;
-                }
-
-                default:
-                        rc = -ENOIOCTLCMD;
+                /* must call accptapprv above */
+                if (test_bit(X25_ACCPT_APPRV_FLAG, &x25->flags))
                         break;
+                x25_write_internal(sk, X25_CALL_ACCEPTED);
+                x25->state = X25_STATE_3;
+                release_sock(sk);
+                rc = 0;
+                break;
+        }
+
+        default:
+                rc = -ENOIOCTLCMD;
+                break;
         }
 
         return rc;
diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
index 9005f6daeab5..e547ca1578c3 100644
--- a/net/x25/x25_dev.c
+++ b/net/x25/x25_dev.c
@@ -146,21 +146,21 @@ void x25_establish_link(struct x25_neigh *nb)
         unsigned char *ptr;
 
         switch (nb->dev->type) {
-                case ARPHRD_X25:
-                        if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {
-                                printk(KERN_ERR "x25_dev: out of memory\n");
-                                return;
-                        }
-                        ptr  = skb_put(skb, 1);
-                        *ptr = X25_IFACE_CONNECT;
-                        break;
+        case ARPHRD_X25:
+                if ((skb = alloc_skb(1, GFP_ATOMIC)) == NULL) {
+                        printk(KERN_ERR "x25_dev: out of memory\n");
+                        return;
+                }
+                ptr  = skb_put(skb, 1);
+                *ptr = X25_IFACE_CONNECT;
+                break;
 
 #if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
-                case ARPHRD_ETHER:
-                        return;
+        case ARPHRD_ETHER:
+                return;
 #endif
-                default:
-                        return;
+        default:
+                return;
         }
 
         skb->protocol = htons(ETH_P_X25);
@@ -202,19 +202,19 @@ void x25_send_frame(struct sk_buff *skb, struct x25_neigh *nb)
         skb_reset_network_header(skb);
 
         switch (nb->dev->type) {
-                case ARPHRD_X25:
-                        dptr  = skb_push(skb, 1);
-                        *dptr = X25_IFACE_DATA;
-                        break;
+        case ARPHRD_X25:
+                dptr  = skb_push(skb, 1);
+                *dptr = X25_IFACE_DATA;
+                break;
 
 #if defined(CONFIG_LLC) || defined(CONFIG_LLC_MODULE)
-                case ARPHRD_ETHER:
-                        kfree_skb(skb);
-                        return;
+        case ARPHRD_ETHER:
+                kfree_skb(skb);
+                return;
 #endif
-                default:
-                        kfree_skb(skb);
-                        return;
+        default:
+                kfree_skb(skb);
+                return;
         }
 
         skb->protocol = htons(ETH_P_X25);
diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c
index 15de65f04719..0b073b51b183 100644
--- a/net/x25/x25_in.c
+++ b/net/x25/x25_in.c
@@ -94,55 +94,55 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp
         struct x25_sock *x25 = x25_sk(sk);
 
         switch (frametype) {
-                case X25_CALL_ACCEPTED: {
-
-                        x25_stop_timer(sk);
-                        x25->condition = 0x00;
-                        x25->vs        = 0;
-                        x25->va        = 0;
-                        x25->vr        = 0;
-                        x25->vl        = 0;
-                        x25->state     = X25_STATE_3;
-                        sk->sk_state   = TCP_ESTABLISHED;
-                        /*
-                         *      Parse the data in the frame.
-                         */
-                        skb_pull(skb, X25_STD_MIN_LEN);
-
-                        len = x25_parse_address_block(skb, &source_addr,
-                                                &dest_addr);
-                        if (len > 0)
-                                skb_pull(skb, len);
-                        else if (len < 0)
-                                goto out_clear;
-
-                        len = x25_parse_facilities(skb, &x25->facilities,
-                                                &x25->dte_facilities,
-                                                &x25->vc_facil_mask);
-                        if (len > 0)
-                                skb_pull(skb, len);
-                        else if (len < 0)
-                                goto out_clear;
-                        /*
-                         *      Copy any Call User Data.
-                         */
-                        if (skb->len > 0) {
-                                skb_copy_from_linear_data(skb,
-                                              x25->calluserdata.cuddata,
-                                              skb->len);
-                                x25->calluserdata.cudlength = skb->len;
-                        }
-                        if (!sock_flag(sk, SOCK_DEAD))
-                                sk->sk_state_change(sk);
-                        break;
+        case X25_CALL_ACCEPTED: {
+
+                x25_stop_timer(sk);
+                x25->condition = 0x00;
+                x25->vs        = 0;
+                x25->va        = 0;
+                x25->vr        = 0;
+                x25->vl        = 0;
+                x25->state     = X25_STATE_3;
+                sk->sk_state   = TCP_ESTABLISHED;
+                /*
+                 *      Parse the data in the frame.
+                 */
+                skb_pull(skb, X25_STD_MIN_LEN);
+
+                len = x25_parse_address_block(skb, &source_addr,
+                                              &dest_addr);
+                if (len > 0)
+                        skb_pull(skb, len);
+                else if (len < 0)
+                        goto out_clear;
+
+                len = x25_parse_facilities(skb, &x25->facilities,
+                                           &x25->dte_facilities,
+                                           &x25->vc_facil_mask);
+                if (len > 0)
+                        skb_pull(skb, len);
+                else if (len < 0)
+                        goto out_clear;
+                /*
+                 *      Copy any Call User Data.
+                 */
+                if (skb->len > 0) {
+                        skb_copy_from_linear_data(skb,
+                                                  x25->calluserdata.cuddata,
+                                                  skb->len);
+                        x25->calluserdata.cudlength = skb->len;
                 }
-                case X25_CLEAR_REQUEST:
-                        x25_write_internal(sk, X25_CLEAR_CONFIRMATION);
-                        x25_disconnect(sk, ECONNREFUSED, skb->data[3], skb->data[4]);
-                        break;
+                if (!sock_flag(sk, SOCK_DEAD))
+                        sk->sk_state_change(sk);
+                break;
+        }
+        case X25_CLEAR_REQUEST:
+                x25_write_internal(sk, X25_CLEAR_CONFIRMATION);
+                x25_disconnect(sk, ECONNREFUSED, skb->data[3], skb->data[4]);
+                break;
 
-                default:
-                        break;
+        default:
+                break;
         }
 
         return 0;
@@ -354,18 +354,18 @@ int x25_process_rx_frame(struct sock *sk, struct sk_buff *skb)
         frametype = x25_decode(sk, skb, &ns, &nr, &q, &d, &m);
 
         switch (x25->state) {
-                case X25_STATE_1:
-                        queued = x25_state1_machine(sk, skb, frametype);
-                        break;
-                case X25_STATE_2:
-                        queued = x25_state2_machine(sk, skb, frametype);
-                        break;
-                case X25_STATE_3:
-                        queued = x25_state3_machine(sk, skb, frametype, ns, nr, q, d, m);
-                        break;
-                case X25_STATE_4:
-                        queued = x25_state4_machine(sk, skb, frametype);
-                        break;
+        case X25_STATE_1:
+                queued = x25_state1_machine(sk, skb, frametype);
+                break;
+        case X25_STATE_2:
+                queued = x25_state2_machine(sk, skb, frametype);
+                break;
+        case X25_STATE_3:
+                queued = x25_state3_machine(sk, skb, frametype, ns, nr, q, d, m);
+                break;
+        case X25_STATE_4:
+                queued = x25_state4_machine(sk, skb, frametype);
+                break;
         }
 
         x25_kick(sk);
diff --git a/net/x25/x25_link.c b/net/x25/x25_link.c
index 21306928d47f..037958ff8eed 100644
--- a/net/x25/x25_link.c
+++ b/net/x25/x25_link.c
@@ -76,30 +76,29 @@ void x25_link_control(struct sk_buff *skb, struct x25_neigh *nb,
         int confirm;
 
         switch (frametype) {
-                case X25_RESTART_REQUEST:
-                        confirm = !x25_t20timer_pending(nb);
-                        x25_stop_t20timer(nb);
-                        nb->state = X25_LINK_STATE_3;
-                        if (confirm)
-                                x25_transmit_restart_confirmation(nb);
-                        break;
-
-                case X25_RESTART_CONFIRMATION:
-                        x25_stop_t20timer(nb);
-                        nb->state = X25_LINK_STATE_3;
-                        break;
-
-                case X25_DIAGNOSTIC:
-                        printk(KERN_WARNING "x25: diagnostic #%d - "
-                               "%02X %02X %02X\n",
-                               skb->data[3], skb->data[4],
-                               skb->data[5], skb->data[6]);
-                        break;
-
-                default:
-                        printk(KERN_WARNING "x25: received unknown %02X "
-                               "with LCI 000\n", frametype);
-                        break;
+        case X25_RESTART_REQUEST:
+                confirm = !x25_t20timer_pending(nb);
+                x25_stop_t20timer(nb);
+                nb->state = X25_LINK_STATE_3;
+                if (confirm)
+                        x25_transmit_restart_confirmation(nb);
+                break;
+
+        case X25_RESTART_CONFIRMATION:
+                x25_stop_t20timer(nb);
+                nb->state = X25_LINK_STATE_3;
+                break;
+
+        case X25_DIAGNOSTIC:
+                printk(KERN_WARNING "x25: diagnostic #%d - %02X %02X %02X\n",
+                       skb->data[3], skb->data[4],
+                       skb->data[5], skb->data[6]);
+                break;
+
+        default:
+                printk(KERN_WARNING "x25: received unknown %02X with LCI 000\n",
+                       frametype);
+                break;
         }
 
         if (nb->state == X25_LINK_STATE_3)
@@ -193,18 +192,18 @@ void x25_transmit_clear_request(struct x25_neigh *nb, unsigned int lci,
 void x25_transmit_link(struct sk_buff *skb, struct x25_neigh *nb)
 {
         switch (nb->state) {
-                case X25_LINK_STATE_0:
-                        skb_queue_tail(&nb->queue, skb);
-                        nb->state = X25_LINK_STATE_1;
-                        x25_establish_link(nb);
-                        break;
-                case X25_LINK_STATE_1:
-                case X25_LINK_STATE_2:
-                        skb_queue_tail(&nb->queue, skb);
-                        break;
-                case X25_LINK_STATE_3:
-                        x25_send_frame(skb, nb);
-                        break;
+        case X25_LINK_STATE_0:
+                skb_queue_tail(&nb->queue, skb);
+                nb->state = X25_LINK_STATE_1;
+                x25_establish_link(nb);
+                break;
+        case X25_LINK_STATE_1:
+        case X25_LINK_STATE_2:
+                skb_queue_tail(&nb->queue, skb);
+                break;
+        case X25_LINK_STATE_3:
+                x25_send_frame(skb, nb);
+                break;
         }
 }
 
@@ -214,14 +213,14 @@ void x25_transmit_link(struct sk_buff *skb, struct x25_neigh *nb)
 void x25_link_established(struct x25_neigh *nb)
 {
         switch (nb->state) {
-                case X25_LINK_STATE_0:
-                        nb->state = X25_LINK_STATE_2;
-                        break;
-                case X25_LINK_STATE_1:
-                        x25_transmit_restart_request(nb);
-                        nb->state = X25_LINK_STATE_2;
-                        x25_start_t20timer(nb);
-                        break;
+        case X25_LINK_STATE_0:
+                nb->state = X25_LINK_STATE_2;
+                break;
+        case X25_LINK_STATE_1:
+                x25_transmit_restart_request(nb);
+                nb->state = X25_LINK_STATE_2;
+                x25_start_t20timer(nb);
+                break;
         }
 }
 
diff --git a/net/x25/x25_subr.c b/net/x25/x25_subr.c
index dc20cf12f39b..24a342ebc7f5 100644
--- a/net/x25/x25_subr.c
+++ b/net/x25/x25_subr.c
@@ -126,32 +126,30 @@ void x25_write_internal(struct sock *sk, int frametype)
          *      Adjust frame size.
          */
         switch (frametype) {
-                case X25_CALL_REQUEST:
-                        len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN +
-                               X25_MAX_CUD_LEN;
-                        break;
-                case X25_CALL_ACCEPTED: /* fast sel with no restr on resp */
-                        if(x25->facilities.reverse & 0x80) {
-                                len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
-                        } else {
-                                len += 1 + X25_MAX_FAC_LEN;
-                        }
-                        break;
-                case X25_CLEAR_REQUEST:
-                case X25_RESET_REQUEST:
-                        len += 2;
-                        break;
-                case X25_RR:
-                case X25_RNR:
-                case X25_REJ:
-                case X25_CLEAR_CONFIRMATION:
-                case X25_INTERRUPT_CONFIRMATION:
-                case X25_RESET_CONFIRMATION:
-                        break;
-                default:
-                        printk(KERN_ERR "X.25: invalid frame type %02X\n",
-                               frametype);
-                        return;
+        case X25_CALL_REQUEST:
+                len += 1 + X25_ADDR_LEN + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
+                break;
+        case X25_CALL_ACCEPTED: /* fast sel with no restr on resp */
+                if (x25->facilities.reverse & 0x80) {
+                        len += 1 + X25_MAX_FAC_LEN + X25_MAX_CUD_LEN;
+                } else {
+                        len += 1 + X25_MAX_FAC_LEN;
+                }
+                break;
+        case X25_CLEAR_REQUEST:
+        case X25_RESET_REQUEST:
+                len += 2;
+                break;
+        case X25_RR:
+        case X25_RNR:
+        case X25_REJ:
+        case X25_CLEAR_CONFIRMATION:
+        case X25_INTERRUPT_CONFIRMATION:
+        case X25_RESET_CONFIRMATION:
+                break;
+        default:
+                printk(KERN_ERR "X.25: invalid frame type %02X\n", frametype);
+                return;
         }
 
         if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
@@ -276,20 +274,20 @@ int x25_decode(struct sock *sk, struct sk_buff *skb, int *ns, int *nr, int *q,
         *ns = *nr = *q = *d = *m = 0;
 
         switch (frame[2]) {
-                case X25_CALL_REQUEST:
-                case X25_CALL_ACCEPTED:
-                case X25_CLEAR_REQUEST:
-                case X25_CLEAR_CONFIRMATION:
-                case X25_INTERRUPT:
-                case X25_INTERRUPT_CONFIRMATION:
-                case X25_RESET_REQUEST:
-                case X25_RESET_CONFIRMATION:
-                case X25_RESTART_REQUEST:
-                case X25_RESTART_CONFIRMATION:
-                case X25_REGISTRATION_REQUEST:
-                case X25_REGISTRATION_CONFIRMATION:
-                case X25_DIAGNOSTIC:
-                        return frame[2];
+        case X25_CALL_REQUEST:
+        case X25_CALL_ACCEPTED:
+        case X25_CLEAR_REQUEST:
+        case X25_CLEAR_CONFIRMATION:
+        case X25_INTERRUPT:
+        case X25_INTERRUPT_CONFIRMATION:
+        case X25_RESET_REQUEST:
+        case X25_RESET_CONFIRMATION:
+        case X25_RESTART_REQUEST:
+        case X25_RESTART_CONFIRMATION:
+        case X25_REGISTRATION_REQUEST:
+        case X25_REGISTRATION_CONFIRMATION:
+        case X25_DIAGNOSTIC:
+                return frame[2];
         }
 
         if (x25->neighbour->extended) {
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9bec2e8a838c..5ce74a385525 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -50,7 +50,7 @@ static struct xfrm_policy_afinfo *xfrm_policy_get_afinfo(unsigned short family);
 static void xfrm_policy_put_afinfo(struct xfrm_policy_afinfo *afinfo);
 static void xfrm_init_pmtu(struct dst_entry *dst);
 static int stale_bundle(struct dst_entry *dst);
-static int xfrm_bundle_ok(struct xfrm_dst *xdst, int family);
+static int xfrm_bundle_ok(struct xfrm_dst *xdst);
 
 
 static struct xfrm_policy *__xfrm_policy_unlink(struct xfrm_policy *pol,
@@ -2241,7 +2241,7 @@ static struct dst_entry *xfrm_dst_check(struct dst_entry *dst, u32 cookie)
 
 static int stale_bundle(struct dst_entry *dst)
 {
-        return !xfrm_bundle_ok((struct xfrm_dst *)dst, AF_UNSPEC);
+        return !xfrm_bundle_ok((struct xfrm_dst *)dst);
 }
 
 void xfrm_dst_ifdown(struct dst_entry *dst, struct net_device *dev)
@@ -2313,7 +2313,7 @@ static void xfrm_init_pmtu(struct dst_entry *dst)
  * still valid.
  */
 
-static int xfrm_bundle_ok(struct xfrm_dst *first, int family)
+static int xfrm_bundle_ok(struct xfrm_dst *first)
 {
         struct dst_entry *dst = &first->u.dst;
         struct xfrm_dst *last;
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 47f1b8638df9..b11ea692bd7d 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -265,7 +265,7 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq)
                         bitnr = bitnr & 0x1F;
                         replay_esn->bmp[nr] |= (1U << bitnr);
                 } else {
-                        nr = replay_esn->replay_window >> 5;
+                        nr = (replay_esn->replay_window - 1) >> 5;
                         for (i = 0; i <= nr; i++)
                                 replay_esn->bmp[i] = 0;
 
@@ -471,7 +471,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
                         bitnr = bitnr & 0x1F;
                         replay_esn->bmp[nr] |= (1U << bitnr);
                 } else {
-                        nr = replay_esn->replay_window >> 5;
+                        nr = (replay_esn->replay_window - 1) >> 5;
                         for (i = 0; i <= nr; i++)
                                 replay_esn->bmp[i] = 0;
 
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index d70f85eb7864..9414b9c5b1e4 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1345,6 +1345,8 @@ out:
                         xfrm_state_check_expire(x1);
 
                 err = 0;
+                x->km.state = XFRM_STATE_DEAD;
+                __xfrm_state_put(x);
         }
         spin_unlock_bh(&x1->lock);
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index c658cb3bc7c3..0256b8a0a7cf 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2299,7 +2299,8 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
                 if (link->dump == NULL)
                         return -EINVAL;
 
-                return netlink_dump_start(net->xfrm.nlsk, skb, nlh, link->dump, link->done);
+                return netlink_dump_start(net->xfrm.nlsk, skb, nlh,
+                                          link->dump, link->done, 0);
         }
 
         err = nlmsg_parse(nlh, xfrm_msg_min[type], attrs, XFRMA_MAX,