Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

171 files changed, 5357 insertions, 2846 deletions

diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index d1e10546eb85..fe649081fbdc 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -378,13 +378,13 @@ static void vlan_sync_address(struct net_device *dev,
          * the new address */
         if (compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) &&
             !compare_ether_addr(vlandev->dev_addr, dev->dev_addr))
-                dev_unicast_delete(dev, vlandev->dev_addr, ETH_ALEN);
+                dev_unicast_delete(dev, vlandev->dev_addr);
 
         /* vlan address was equal to the old address and is different from
          * the new address */
         if (!compare_ether_addr(vlandev->dev_addr, vlan->real_dev_addr) &&
             compare_ether_addr(vlandev->dev_addr, dev->dev_addr))
-                dev_unicast_add(dev, vlandev->dev_addr, ETH_ALEN);
+                dev_unicast_add(dev, vlandev->dev_addr);
 
         memcpy(vlan->real_dev_addr, dev->dev_addr, ETH_ALEN);
 }
@@ -758,7 +758,7 @@ static void __exit vlan_cleanup_module(void)
                 BUG_ON(!hlist_empty(&vlan_group_hash[i]));
 
         unregister_pernet_gen_device(vlan_net_id, &vlan_net_ops);
-        synchronize_net();
+        rcu_barrier(); /* Wait for completion of call_rcu()'s */
 
         vlan_gvrp_uninit();
 }
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 1e2ad4c7c59b..96bad8f233e2 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -441,7 +441,7 @@ static int vlan_dev_open(struct net_device *dev)
                 return -ENETDOWN;
 
         if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr)) {
-                err = dev_unicast_add(real_dev, dev->dev_addr, ETH_ALEN);
+                err = dev_unicast_add(real_dev, dev->dev_addr);
                 if (err < 0)
                         goto out;
         }
@@ -470,7 +470,7 @@ clear_allmulti:
                 dev_set_allmulti(real_dev, -1);
 del_unicast:
         if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-                dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
+                dev_unicast_delete(real_dev, dev->dev_addr);
 out:
         netif_carrier_off(dev);
         return err;
@@ -492,7 +492,7 @@ static int vlan_dev_stop(struct net_device *dev)
                 dev_set_promiscuity(real_dev, -1);
 
         if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-                dev_unicast_delete(real_dev, dev->dev_addr, dev->addr_len);
+                dev_unicast_delete(real_dev, dev->dev_addr);
 
         netif_carrier_off(dev);
         return 0;
@@ -511,13 +511,13 @@ static int vlan_dev_set_mac_address(struct net_device *dev, void *p)
                 goto out;
 
         if (compare_ether_addr(addr->sa_data, real_dev->dev_addr)) {
-                err = dev_unicast_add(real_dev, addr->sa_data, ETH_ALEN);
+                err = dev_unicast_add(real_dev, addr->sa_data);
                 if (err < 0)
                         return err;
         }
 
         if (compare_ether_addr(dev->dev_addr, real_dev->dev_addr))
-                dev_unicast_delete(real_dev, dev->dev_addr, ETH_ALEN);
+                dev_unicast_delete(real_dev, dev->dev_addr);
 
 out:
         memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
diff --git a/net/Kconfig b/net/Kconfig
index c19f549c8e74..7051b9710675 100644
--- a/net/Kconfig
+++ b/net/Kconfig
@@ -179,6 +179,7 @@ source "net/lapb/Kconfig"
 source "net/econet/Kconfig"
 source "net/wanrouter/Kconfig"
 source "net/phonet/Kconfig"
+source "net/ieee802154/Kconfig"
 source "net/sched/Kconfig"
 source "net/dcb/Kconfig"
 
diff --git a/net/Makefile b/net/Makefile
index 9e00a55a901b..ba324aefda73 100644
--- a/net/Makefile
+++ b/net/Makefile
@@ -60,6 +60,7 @@ obj-$(CONFIG_NET_9P)		+= 9p/
 ifneq ($(CONFIG_DCB),)
 obj-y                           += dcb/
 endif
+obj-y                           += ieee802154/
 
 ifeq ($(CONFIG_NET),y)
 obj-$(CONFIG_SYSCTL)            += sysctl_net.o
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index d6a9243641af..b603cbacdc58 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -939,6 +939,7 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
                                    int len, unsigned long sum)
 {
         int start = skb_headlen(skb);
+        struct sk_buff *frag_iter;
         int i, copy;
 
         /* checksum stuff in header space */
@@ -977,26 +978,22 @@ static unsigned long atalk_sum_skb(const struct sk_buff *skb, int offset,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list = list->next) {
-                        int end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
 
-                        WARN_ON(start > offset + len);
+                WARN_ON(start > offset + len);
 
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                sum = atalk_sum_skb(list, offset - start,
-                                                    copy, sum);
-                                if ((len -= copy) == 0)
-                                        return sum;
-                                offset += copy;
-                        }
-                        start = end;
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        sum = atalk_sum_skb(frag_iter, offset - start,
+                                            copy, sum);
+                        if ((len -= copy) == 0)
+                                return sum;
+                        offset += copy;
                 }
+                start = end;
         }
 
         BUG_ON(len > 0);
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 3100a8940afc..2912665fc58c 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -228,7 +228,7 @@ static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
         struct br2684_dev *brdev = BRPRIV(dev);
         struct br2684_vcc *brvcc;
 
-        pr_debug("br2684_start_xmit, skb->dst=%p\n", skb->dst);
+        pr_debug("br2684_start_xmit, skb_dst(skb)=%p\n", skb_dst(skb));
         read_lock(&devs_lock);
         brvcc = pick_outgoing_vcc(skb, brdev);
         if (brvcc == NULL) {
@@ -445,9 +445,10 @@ free_skb:
  */
 static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
 {
+        struct sk_buff_head queue;
         int err;
         struct br2684_vcc *brvcc;
-        struct sk_buff *skb;
+        struct sk_buff *skb, *tmp;
         struct sk_buff_head *rq;
         struct br2684_dev *brdev;
         struct net_device *net_dev;
@@ -505,29 +506,20 @@ static int br2684_regvcc(struct atm_vcc *atmvcc, void __user * arg)
         barrier();
         atmvcc->push = br2684_push;
 
+        __skb_queue_head_init(&queue);
         rq = &sk_atm(atmvcc)->sk_receive_queue;
 
         spin_lock_irqsave(&rq->lock, flags);
-        if (skb_queue_empty(rq)) {
-                skb = NULL;
-        } else {
-                /* NULL terminate the list.  */
-                rq->prev->next = NULL;
-                skb = rq->next;
-        }
-        rq->prev = rq->next = (struct sk_buff *)rq;
-        rq->qlen = 0;
+        skb_queue_splice_init(rq, &queue);
         spin_unlock_irqrestore(&rq->lock, flags);
 
-        while (skb) {
-                struct sk_buff *next = skb->next;
+        skb_queue_walk_safe(&queue, skb, tmp) {
+                struct net_device *dev = skb->dev;
 
-                skb->next = skb->prev = NULL;
-                br2684_push(atmvcc, skb);
-                skb->dev->stats.rx_bytes -= skb->len;
-                skb->dev->stats.rx_packets--;
+                dev->stats.rx_bytes -= skb->len;
+                dev->stats.rx_packets--;
 
-                skb = next;
+                br2684_push(atmvcc, skb);
         }
         __module_get(THIS_MODULE);
         return 0;
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 3dc0a3a42a57..e65a3b1477f8 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -369,16 +369,16 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
         unsigned long flags;
 
         pr_debug("clip_start_xmit (skb %p)\n", skb);
-        if (!skb->dst) {
-                printk(KERN_ERR "clip_start_xmit: skb->dst == NULL\n");
+        if (!skb_dst(skb)) {
+                printk(KERN_ERR "clip_start_xmit: skb_dst(skb) == NULL\n");
                 dev_kfree_skb(skb);
                 dev->stats.tx_dropped++;
                 return 0;
         }
-        if (!skb->dst->neighbour) {
+        if (!skb_dst(skb)->neighbour) {
 #if 0
-                skb->dst->neighbour = clip_find_neighbour(skb->dst, 1);
-                if (!skb->dst->neighbour) {
+                skb_dst(skb)->neighbour = clip_find_neighbour(skb_dst(skb), 1);
+                if (!skb_dst(skb)->neighbour) {
                         dev_kfree_skb(skb);     /* lost that one */
                         dev->stats.tx_dropped++;
                         return 0;
@@ -389,7 +389,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 dev->stats.tx_dropped++;
                 return 0;
         }
-        entry = NEIGH2ENTRY(skb->dst->neighbour);
+        entry = NEIGH2ENTRY(skb_dst(skb)->neighbour);
         if (!entry->vccs) {
                 if (time_after(jiffies, entry->expires)) {
                         /* should be resolved */
@@ -406,7 +406,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
         }
         pr_debug("neigh %p, vccs %p\n", entry, entry->vccs);
         ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc;
-        pr_debug("using neighbour %p, vcc %p\n", skb->dst->neighbour, vcc);
+        pr_debug("using neighbour %p, vcc %p\n", skb_dst(skb)->neighbour, vcc);
         if (entry->vccs->encap) {
                 void *here;
 
@@ -445,9 +445,9 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 static int clip_mkip(struct atm_vcc *vcc, int timeout)
 {
+        struct sk_buff_head *rq, queue;
         struct clip_vcc *clip_vcc;
-        struct sk_buff *skb;
-        struct sk_buff_head *rq;
+        struct sk_buff *skb, *tmp;
         unsigned long flags;
 
         if (!vcc->push)
@@ -469,39 +469,28 @@ static int clip_mkip(struct atm_vcc *vcc, int timeout)
         vcc->push = clip_push;
         vcc->pop = clip_pop;
 
+        __skb_queue_head_init(&queue);
         rq = &sk_atm(vcc)->sk_receive_queue;
 
         spin_lock_irqsave(&rq->lock, flags);
-        if (skb_queue_empty(rq)) {
-                skb = NULL;
-        } else {
-                /* NULL terminate the list.  */
-                rq->prev->next = NULL;
-                skb = rq->next;
-        }
-        rq->prev = rq->next = (struct sk_buff *)rq;
-        rq->qlen = 0;
+        skb_queue_splice_init(rq, &queue);
         spin_unlock_irqrestore(&rq->lock, flags);
 
         /* re-process everything received between connection setup and MKIP */
-        while (skb) {
-                struct sk_buff *next = skb->next;
-
-                skb->next = skb->prev = NULL;
+        skb_queue_walk_safe(&queue, skb, tmp) {
                 if (!clip_devs) {
                         atm_return(vcc, skb->truesize);
                         kfree_skb(skb);
                 } else {
+                        struct net_device *dev = skb->dev;
                         unsigned int len = skb->len;
 
                         skb_get(skb);
                         clip_push(vcc, skb);
-                        skb->dev->stats.rx_packets--;
-                        skb->dev->stats.rx_bytes -= len;
+                        dev->stats.rx_packets--;
+                        dev->stats.rx_bytes -= len;
                         kfree_skb(skb);
                 }
-
-                skb = next;
         }
         return 0;
 }
@@ -568,6 +557,7 @@ static void clip_setup(struct net_device *dev)
         /* without any more elaborate queuing. 100 is a reasonable */
         /* compromise between decent burst-tolerance and protection */
         /* against memory hogs. */
+        dev->priv_flags &= ~IFF_XMIT_DST_RELEASE;
 }
 
 static int clip_create(int number)
diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c
index 78958c0f9a40..97f8d68d574d 100644
--- a/net/bluetooth/cmtp/capi.c
+++ b/net/bluetooth/cmtp/capi.c
@@ -382,7 +382,7 @@ static void cmtp_reset_ctr(struct capi_ctr *ctrl)
 
         BT_DBG("ctrl %p", ctrl);
 
-        capi_ctr_reseted(ctrl);
+        capi_ctr_down(ctrl);
 
         atomic_inc(&session->terminate);
         cmtp_schedule(session);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index cd061510b6bd..406ad07cdea1 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -39,6 +39,7 @@
 #include <linux/skbuff.h>
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
+#include <linux/rfkill.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
@@ -476,6 +477,11 @@ int hci_dev_open(__u16 dev)
 
         hci_req_lock(hdev);
 
+        if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) {
+                ret = -ERFKILL;
+                goto done;
+        }
+
         if (test_bit(HCI_UP, &hdev->flags)) {
                 ret = -EALREADY;
                 goto done;
@@ -813,6 +819,24 @@ int hci_get_dev_info(void __user *arg)
 
 /* ---- Interface to HCI drivers ---- */
 
+static int hci_rfkill_set_block(void *data, bool blocked)
+{
+        struct hci_dev *hdev = data;
+
+        BT_DBG("%p name %s blocked %d", hdev, hdev->name, blocked);
+
+        if (!blocked)
+                return 0;
+
+        hci_dev_do_close(hdev);
+
+        return 0;
+}
+
+static const struct rfkill_ops hci_rfkill_ops = {
+        .set_block = hci_rfkill_set_block,
+};
+
 /* Alloc HCI device */
 struct hci_dev *hci_alloc_dev(void)
 {
@@ -844,7 +868,8 @@ int hci_register_dev(struct hci_dev *hdev)
         struct list_head *head = &hci_dev_list, *p;
         int i, id = 0;
 
-        BT_DBG("%p name %s type %d owner %p", hdev, hdev->name, hdev->type, hdev->owner);
+        BT_DBG("%p name %s type %d owner %p", hdev, hdev->name,
+                                                hdev->type, hdev->owner);
 
         if (!hdev->open || !hdev->close || !hdev->destruct)
                 return -EINVAL;
@@ -900,6 +925,15 @@ int hci_register_dev(struct hci_dev *hdev)
 
         hci_register_sysfs(hdev);
 
+        hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev,
+                                RFKILL_TYPE_BLUETOOTH, &hci_rfkill_ops, hdev);
+        if (hdev->rfkill) {
+                if (rfkill_register(hdev->rfkill) < 0) {
+                        rfkill_destroy(hdev->rfkill);
+                        hdev->rfkill = NULL;
+                }
+        }
+
         hci_notify(hdev, HCI_DEV_REG);
 
         return id;
@@ -924,6 +958,11 @@ int hci_unregister_dev(struct hci_dev *hdev)
 
         hci_notify(hdev, HCI_DEV_UNREG);
 
+        if (hdev->rfkill) {
+                rfkill_unregister(hdev->rfkill);
+                rfkill_destroy(hdev->rfkill);
+        }
+
         hci_unregister_sysfs(hdev);
 
         __hci_dev_put(hdev);
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 4cc3624bd22d..95f7a7a544b4 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -90,9 +90,6 @@ static void add_conn(struct work_struct *work)
         struct hci_conn *conn = container_of(work, struct hci_conn, work_add);
         struct hci_dev *hdev = conn->hdev;
 
-        /* ensure previous del is complete */
-        flush_work(&conn->work_del);
-
         dev_set_name(&conn->dev, "%s:%d", hdev->name, conn->handle);
 
         if (device_add(&conn->dev) < 0) {
@@ -118,9 +115,6 @@ static void del_conn(struct work_struct *work)
         struct hci_conn *conn = container_of(work, struct hci_conn, work_del);
         struct hci_dev *hdev = conn->hdev;
 
-        /* ensure previous add is complete */
-        flush_work(&conn->work_add);
-
         if (!device_is_registered(&conn->dev))
                 return;
 
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index ca4d3b40d5ce..bd0a4c1bced0 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -40,10 +40,10 @@
 #include <linux/skbuff.h>
 #include <linux/list.h>
 #include <linux/device.h>
+#include <linux/uaccess.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
-#include <asm/uaccess.h>
 #include <asm/unaligned.h>
 
 #include <net/bluetooth/bluetooth.h>
@@ -52,7 +52,7 @@
 
 #define VERSION "2.13"
 
-static u32 l2cap_feat_mask = 0x0080;
+static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
 static u8 l2cap_fixed_chan[8] = { 0x02, };
 
 static const struct proto_ops l2cap_sock_ops;
@@ -134,7 +134,8 @@ static inline struct sock *l2cap_get_chan_by_scid(struct l2cap_chan_list *l, u16
         struct sock *s;
         read_lock(&l->lock);
         s = __l2cap_get_chan_by_scid(l, cid);
-        if (s) bh_lock_sock(s);
+        if (s)
+                bh_lock_sock(s);
         read_unlock(&l->lock);
         return s;
 }
@@ -154,17 +155,18 @@ static inline struct sock *l2cap_get_chan_by_ident(struct l2cap_chan_list *l, u8
         struct sock *s;
         read_lock(&l->lock);
         s = __l2cap_get_chan_by_ident(l, ident);
-        if (s) bh_lock_sock(s);
+        if (s)
+                bh_lock_sock(s);
         read_unlock(&l->lock);
         return s;
 }
 
 static u16 l2cap_alloc_cid(struct l2cap_chan_list *l)
 {
-        u16 cid = 0x0040;
+        u16 cid = L2CAP_CID_DYN_START;
 
-        for (; cid < 0xffff; cid++) {
-                if(!__l2cap_get_chan_by_scid(l, cid))
+        for (; cid < L2CAP_CID_DYN_END; cid++) {
+                if (!__l2cap_get_chan_by_scid(l, cid))
                         return cid;
         }
 
@@ -204,7 +206,8 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct so
 {
         struct l2cap_chan_list *l = &conn->chan_list;
 
-        BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid);
+        BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn,
+                        l2cap_pi(sk)->psm, l2cap_pi(sk)->dcid);
 
         conn->disc_reason = 0x13;
 
@@ -215,13 +218,13 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct sock *sk, struct so
                 l2cap_pi(sk)->scid = l2cap_alloc_cid(l);
         } else if (sk->sk_type == SOCK_DGRAM) {
                 /* Connectionless socket */
-                l2cap_pi(sk)->scid = 0x0002;
-                l2cap_pi(sk)->dcid = 0x0002;
+                l2cap_pi(sk)->scid = L2CAP_CID_CONN_LESS;
+                l2cap_pi(sk)->dcid = L2CAP_CID_CONN_LESS;
                 l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
         } else {
                 /* Raw socket can send/recv signalling messages only */
-                l2cap_pi(sk)->scid = 0x0001;
-                l2cap_pi(sk)->dcid = 0x0001;
+                l2cap_pi(sk)->scid = L2CAP_CID_SIGNALING;
+                l2cap_pi(sk)->dcid = L2CAP_CID_SIGNALING;
                 l2cap_pi(sk)->omtu = L2CAP_DEFAULT_MTU;
         }
 
@@ -272,7 +275,7 @@ static inline int l2cap_check_security(struct sock *sk)
                 if (l2cap_pi(sk)->sec_level == BT_SECURITY_HIGH)
                         auth_type = HCI_AT_NO_BONDING_MITM;
                 else
-                        auth_type = HCI_AT_NO_BONDING;
+                        auth_type = HCI_AT_NO_BONDING;
 
                 if (l2cap_pi(sk)->sec_level == BT_SECURITY_LOW)
                         l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
@@ -588,7 +591,8 @@ static inline struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t
         struct sock *s;
         read_lock(&l2cap_sk_list.lock);
         s = __l2cap_get_sock_by_psm(state, psm, src);
-        if (s) bh_lock_sock(s);
+        if (s)
+                bh_lock_sock(s);
         read_unlock(&l2cap_sk_list.lock);
         return s;
 }
@@ -808,7 +812,7 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
                 goto done;
         }
 
-        if (la.l2_psm && btohs(la.l2_psm) < 0x1001 &&
+        if (la.l2_psm && __le16_to_cpu(la.l2_psm) < 0x1001 &&
                                 !capable(CAP_NET_BIND_SERVICE)) {
                 err = -EACCES;
                 goto done;
@@ -825,7 +829,8 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
                 l2cap_pi(sk)->sport = la.l2_psm;
                 sk->sk_state = BT_BOUND;
 
-                if (btohs(la.l2_psm) == 0x0001 || btohs(la.l2_psm) == 0x0003)
+                if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
+                                        __le16_to_cpu(la.l2_psm) == 0x0003)
                         l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
         }
 
@@ -844,12 +849,13 @@ static int l2cap_do_connect(struct sock *sk)
         struct hci_conn *hcon;
         struct hci_dev *hdev;
         __u8 auth_type;
-        int err = 0;
+        int err;
 
         BT_DBG("%s -> %s psm 0x%2.2x", batostr(src), batostr(dst),
                                                         l2cap_pi(sk)->psm);
 
-        if (!(hdev = hci_get_route(dst, src)))
+        hdev = hci_get_route(dst, src);
+        if (!hdev)
                 return -EHOSTUNREACH;
 
         hci_dev_lock_bh(hdev);
@@ -950,7 +956,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
                 goto done;
         }
 
-        switch(sk->sk_state) {
+        switch (sk->sk_state) {
         case BT_CONNECT:
         case BT_CONNECT2:
         case BT_CONFIG:
@@ -975,7 +981,8 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
         bacpy(&bt_sk(sk)->dst, &la.l2_bdaddr);
         l2cap_pi(sk)->psm = la.l2_psm;
 
-        if ((err = l2cap_do_connect(sk)))
+        err = l2cap_do_connect(sk);
+        if (err)
                 goto done;
 
 wait:
@@ -1009,9 +1016,9 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
                 write_lock_bh(&l2cap_sk_list.lock);
 
                 for (psm = 0x1001; psm < 0x1100; psm += 2)
-                        if (!__l2cap_get_sock_by_addr(htobs(psm), src)) {
-                                l2cap_pi(sk)->psm   = htobs(psm);
-                                l2cap_pi(sk)->sport = htobs(psm);
+                        if (!__l2cap_get_sock_by_addr(cpu_to_le16(psm), src)) {
+                                l2cap_pi(sk)->psm   = cpu_to_le16(psm);
+                                l2cap_pi(sk)->sport = cpu_to_le16(psm);
                                 err = 0;
                                 break;
                         }
@@ -1100,11 +1107,11 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
         if (peer) {
                 la->l2_psm = l2cap_pi(sk)->psm;
                 bacpy(&la->l2_bdaddr, &bt_sk(sk)->dst);
-                la->l2_cid = htobs(l2cap_pi(sk)->dcid);
+                la->l2_cid = cpu_to_le16(l2cap_pi(sk)->dcid);
         } else {
                 la->l2_psm = l2cap_pi(sk)->sport;
                 bacpy(&la->l2_bdaddr, &bt_sk(sk)->src);
-                la->l2_cid = htobs(l2cap_pi(sk)->scid);
+                la->l2_cid = cpu_to_le16(l2cap_pi(sk)->scid);
         }
 
         return 0;
@@ -1114,7 +1121,7 @@ static inline int l2cap_do_send(struct sock *sk, struct msghdr *msg, int len)
 {
         struct l2cap_conn *conn = l2cap_pi(sk)->conn;
         struct sk_buff *skb, **frag;
-        int err, hlen, count, sent=0;
+        int err, hlen, count, sent = 0;
         struct l2cap_hdr *lh;
 
         BT_DBG("sk %p len %d", sk, len);
@@ -1167,8 +1174,8 @@ static inline int l2cap_do_send(struct sock *sk, struct msghdr *msg, int len)
 
                 frag = &(*frag)->next;
         }
-
-        if ((err = hci_send_acl(conn->hcon, skb, 0)) < 0)
+        err = hci_send_acl(conn->hcon, skb, 0);
+        if (err < 0)
                 goto fail;
 
         return sent;
@@ -1556,7 +1563,7 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
 {
         struct l2cap_chan_list *l = &conn->chan_list;
         struct sk_buff *nskb;
-        struct sock * sk;
+        struct sock *sk;
 
         BT_DBG("conn %p", conn);
 
@@ -1568,8 +1575,8 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
                 /* Don't send frame to the socket it came from */
                 if (skb->sk == sk)
                         continue;
-
-                if (!(nskb = skb_clone(skb, GFP_ATOMIC)))
+                nskb = skb_clone(skb, GFP_ATOMIC);
+                if (!nskb)
                         continue;
 
                 if (sock_queue_rcv_skb(sk, nskb))
@@ -1587,7 +1594,8 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
         struct l2cap_hdr *lh;
         int len, count;
 
-        BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %d", conn, code, ident, dlen);
+        BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %d",
+                        conn, code, ident, dlen);
 
         len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen;
         count = min_t(unsigned int, conn->mtu, len);
@@ -1598,7 +1606,7 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn,
 
         lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE);
         lh->len = cpu_to_le16(L2CAP_CMD_HDR_SIZE + dlen);
-        lh->cid = cpu_to_le16(0x0001);
+        lh->cid = cpu_to_le16(L2CAP_CID_SIGNALING);
 
         cmd = (struct l2cap_cmd_hdr *) skb_put(skb, L2CAP_CMD_HDR_SIZE);
         cmd->code  = code;
@@ -1739,8 +1747,8 @@ static int l2cap_parse_conf_req(struct sock *sk, void *data)
         while (len >= L2CAP_CONF_OPT_SIZE) {
                 len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
 
-                hint  = type & 0x80;
-                type &= 0x7f;
+                hint  = type & L2CAP_CONF_HINT;
+                type &= L2CAP_CONF_MASK;
 
                 switch (type) {
                 case L2CAP_CONF_MTU:
@@ -1966,10 +1974,12 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd
         BT_DBG("dcid 0x%4.4x scid 0x%4.4x result 0x%2.2x status 0x%2.2x", dcid, scid, result, status);
 
         if (scid) {
-                if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, scid)))
+                sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
+                if (!sk)
                         return 0;
         } else {
-                if (!(sk = l2cap_get_chan_by_ident(&conn->chan_list, cmd->ident)))
+                sk = l2cap_get_chan_by_ident(&conn->chan_list, cmd->ident);
+                if (!sk)
                         return 0;
         }
 
@@ -2012,7 +2022,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 
         BT_DBG("dcid 0x%4.4x flags 0x%2.2x", dcid, flags);
 
-        if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
+        sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid);
+        if (!sk)
                 return -ENOENT;
 
         if (sk->sk_state == BT_DISCONN)
@@ -2079,9 +2090,11 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
         flags  = __le16_to_cpu(rsp->flags);
         result = __le16_to_cpu(rsp->result);
 
-        BT_DBG("scid 0x%4.4x flags 0x%2.2x result 0x%2.2x", scid, flags, result);
+        BT_DBG("scid 0x%4.4x flags 0x%2.2x result 0x%2.2x",
+                        scid, flags, result);
 
-        if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, scid)))
+        sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
+        if (!sk)
                 return 0;
 
         switch (result) {
@@ -2142,7 +2155,8 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd
 
         BT_DBG("scid 0x%4.4x dcid 0x%4.4x", scid, dcid);
 
-        if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid)))
+        sk = l2cap_get_chan_by_scid(&conn->chan_list, dcid);
+        if (!sk)
                 return 0;
 
         rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
@@ -2169,7 +2183,8 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
 
         BT_DBG("dcid 0x%4.4x scid 0x%4.4x", dcid, scid);
 
-        if (!(sk = l2cap_get_chan_by_scid(&conn->chan_list, scid)))
+        sk = l2cap_get_chan_by_scid(&conn->chan_list, scid);
+        if (!sk)
                 return 0;
 
         l2cap_chan_del(sk, 0);
@@ -2230,7 +2245,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
         if (type == L2CAP_IT_FEAT_MASK) {
                 conn->feat_mask = get_unaligned_le32(rsp->data);
 
-                if (conn->feat_mask & 0x0080) {
+                if (conn->feat_mask & L2CAP_FEAT_FIXED_CHAN) {
                         struct l2cap_info_req req;
                         req.type = cpu_to_le16(L2CAP_IT_FIXED_CHAN);
 
@@ -2403,7 +2418,8 @@ drop:
         kfree_skb(skb);
 
 done:
-        if (sk) bh_unlock_sock(sk);
+        if (sk)
+                bh_unlock_sock(sk);
         return 0;
 }
 
@@ -2420,11 +2436,11 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
         BT_DBG("len %d, cid 0x%4.4x", len, cid);
 
         switch (cid) {
-        case 0x0001:
+        case L2CAP_CID_SIGNALING:
                 l2cap_sig_channel(conn, skb);
                 break;
 
-        case 0x0002:
+        case L2CAP_CID_CONN_LESS:
                 psm = get_unaligned((__le16 *) skb->data);
                 skb_pull(skb, 2);
                 l2cap_conless_channel(conn, psm, skb);
@@ -2650,7 +2666,8 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl
                 }
 
                 /* Allocate skb for the complete frame (with header) */
-                if (!(conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC)))
+                conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC);
+                if (!conn->rx_skb)
                         goto drop;
 
                 skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len),
@@ -2704,13 +2721,13 @@ static ssize_t l2cap_sysfs_show(struct class *dev, char *buf)
 
                 str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
                                 batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-                                sk->sk_state, btohs(pi->psm), pi->scid, pi->dcid,
-                                pi->imtu, pi->omtu, pi->sec_level);
+                                sk->sk_state, __le16_to_cpu(pi->psm), pi->scid,
+                                pi->dcid, pi->imtu, pi->omtu, pi->sec_level);
         }
 
         read_unlock_bh(&l2cap_sk_list.lock);
 
-        return (str - buf);
+        return str - buf;
 }
 
 static CLASS_ATTR(l2cap, S_IRUGO, l2cap_sysfs_show, NULL);
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 374536e050aa..e50566ebf9f9 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -679,7 +679,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bdaddr_t *dst
 
         bacpy(&addr.l2_bdaddr, dst);
         addr.l2_family = AF_BLUETOOTH;
-        addr.l2_psm    = htobs(RFCOMM_PSM);
+        addr.l2_psm    = cpu_to_le16(RFCOMM_PSM);
         addr.l2_cid    = 0;
         *err = kernel_connect(sock, (struct sockaddr *) &addr, sizeof(addr), O_NONBLOCK);
         if (*err == 0 || *err == -EINPROGRESS)
@@ -852,9 +852,9 @@ static int rfcomm_send_pn(struct rfcomm_session *s, int cr, struct rfcomm_dlc *d
         }
 
         if (cr && channel_mtu >= 0)
-                pn->mtu = htobs(channel_mtu);
+                pn->mtu = cpu_to_le16(channel_mtu);
         else
-                pn->mtu = htobs(d->mtu);
+                pn->mtu = cpu_to_le16(d->mtu);
 
         *ptr = __fcs(buf); ptr++;
 
@@ -1056,7 +1056,7 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr)
 
         if (len > 127) {
                 hdr = (void *) skb_push(skb, 4);
-                put_unaligned(htobs(__len16(len)), (__le16 *) &hdr->len);
+                put_unaligned(cpu_to_le16(__len16(len)), (__le16 *) &hdr->len);
         } else {
                 hdr = (void *) skb_push(skb, 3);
                 hdr->len = __len8(len);
@@ -1289,7 +1289,7 @@ static int rfcomm_apply_pn(struct rfcomm_dlc *d, int cr, struct rfcomm_pn *pn)
 
         d->priority = pn->priority;
 
-        d->mtu = btohs(pn->mtu);
+        d->mtu = __le16_to_cpu(pn->mtu);
 
         if (cr && d->mtu > s->mtu)
                 d->mtu = s->mtu;
@@ -1922,7 +1922,7 @@ static int rfcomm_add_listener(bdaddr_t *ba)
         /* Bind socket */
         bacpy(&addr.l2_bdaddr, ba);
         addr.l2_family = AF_BLUETOOTH;
-        addr.l2_psm    = htobs(RFCOMM_PSM);
+        addr.l2_psm    = cpu_to_le16(RFCOMM_PSM);
         addr.l2_cid    = 0;
         err = kernel_bind(sock, (struct sockaddr *) &addr, sizeof(addr));
         if (err < 0) {
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index a48f5efdb6bf..cb3e97b93aeb 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -398,7 +398,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
                 if (unlikely(fdb->is_local)) {
                         if (net_ratelimit())
                                 printk(KERN_WARNING "%s: received packet with "
-                                       " own address as source address\n",
+                                       "own address as source address\n",
                                        source->dev->name);
                 } else {
                         /* fastpath: update of existing entry */
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index e4a418fcb35b..d22f611e4004 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -228,6 +228,7 @@ int nf_bridge_copy_header(struct sk_buff *skb)
 static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
 {
         struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+        struct rtable *rt;
 
         if (nf_bridge->mask & BRNF_PKT_TYPE) {
                 skb->pkt_type = PACKET_OTHERHOST;
@@ -235,12 +236,13 @@ static int br_nf_pre_routing_finish_ipv6(struct sk_buff *skb)
         }
         nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING;
 
-        skb->rtable = bridge_parent_rtable(nf_bridge->physindev);
-        if (!skb->rtable) {
+        rt = bridge_parent_rtable(nf_bridge->physindev);
+        if (!rt) {
                 kfree_skb(skb);
                 return 0;
         }
-        dst_hold(&skb->rtable->u.dst);
+        dst_hold(&rt->u.dst);
+        skb_dst_set(skb, &rt->u.dst);
 
         skb->dev = nf_bridge->physindev;
         nf_bridge_push_encap_header(skb);
@@ -320,7 +322,7 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb)
 
         skb->dev = bridge_parent(skb->dev);
         if (skb->dev) {
-                struct dst_entry *dst = skb->dst;
+                struct dst_entry *dst = skb_dst(skb);
 
                 nf_bridge_pull_encap_header(skb);
 
@@ -338,6 +340,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
         struct net_device *dev = skb->dev;
         struct iphdr *iph = ip_hdr(skb);
         struct nf_bridge_info *nf_bridge = skb->nf_bridge;
+        struct rtable *rt;
         int err;
 
         if (nf_bridge->mask & BRNF_PKT_TYPE) {
@@ -347,7 +350,6 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
         nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING;
         if (dnat_took_place(skb)) {
                 if ((err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos, dev))) {
-                        struct rtable *rt;
                         struct flowi fl = {
                                 .nl_u = {
                                         .ip4_u = {
@@ -373,7 +375,7 @@ static int br_nf_pre_routing_finish(struct sk_buff *skb)
                                 /* - Bridged-and-DNAT'ed traffic doesn't
                                  *   require ip_forwarding. */
                                 if (((struct dst_entry *)rt)->dev == dev) {
-                                        skb->dst = (struct dst_entry *)rt;
+                                        skb_dst_set(skb, (struct dst_entry *)rt);
                                         goto bridged_dnat;
                                 }
                                 /* we are sure that forwarding is disabled, so printing
@@ -387,7 +389,7 @@ free_skb:
                         kfree_skb(skb);
                         return 0;
                 } else {
-                        if (skb->dst->dev == dev) {
+                        if (skb_dst(skb)->dev == dev) {
 bridged_dnat:
                                 /* Tell br_nf_local_out this is a
                                  * bridged frame */
@@ -404,12 +406,13 @@ bridged_dnat:
                         skb->pkt_type = PACKET_HOST;
                 }
         } else {
-                skb->rtable = bridge_parent_rtable(nf_bridge->physindev);
-                if (!skb->rtable) {
+                rt = bridge_parent_rtable(nf_bridge->physindev);
+                if (!rt) {
                         kfree_skb(skb);
                         return 0;
                 }
-                dst_hold(&skb->rtable->u.dst);
+                dst_hold(&rt->u.dst);
+                skb_dst_set(skb, &rt->u.dst);
         }
 
         skb->dev = nf_bridge->physindev;
@@ -628,10 +631,10 @@ static unsigned int br_nf_local_in(unsigned int hook, struct sk_buff *skb,
                                    const struct net_device *out,
                                    int (*okfn)(struct sk_buff *))
 {
-        if (skb->rtable && skb->rtable == bridge_parent_rtable(in)) {
-                dst_release(&skb->rtable->u.dst);
-                skb->rtable = NULL;
-        }
+        struct rtable *rt = skb_rtable(skb);
+
+        if (rt && rt == bridge_parent_rtable(in))
+                skb_dst_drop(skb);
 
         return NF_ACCEPT;
 }
@@ -846,7 +849,7 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff *skb,
                 return NF_ACCEPT;
 
 #ifdef CONFIG_NETFILTER_DEBUG
-        if (skb->dst == NULL) {
+        if (skb_dst(skb) == NULL) {
                 printk(KERN_INFO "br_netfilter post_routing: skb->dst == NULL\n");
                 goto print_error;
         }
diff --git a/net/can/af_can.c b/net/can/af_can.c
index 10f0528c3bf5..e733725b11d4 100644
--- a/net/can/af_can.c
+++ b/net/can/af_can.c
@@ -903,6 +903,8 @@ static __exit void can_exit(void)
         }
         spin_unlock(&can_rcvlists_lock);
 
+        rcu_barrier(); /* Wait for completion of call_rcu()'s */
+
         kmem_cache_destroy(rcv_cache);
 }
 
diff --git a/net/core/datagram.c b/net/core/datagram.c
index e2a36f05cdf7..58abee1f1df1 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -282,6 +282,7 @@ int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset,
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
 
         /* Copy header. */
         if (copy > 0) {
@@ -322,28 +323,24 @@ int skb_copy_datagram_iovec(const struct sk_buff *skb, int offset,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                if (skb_copy_datagram_iovec(list,
-                                                            offset - start,
-                                                            to, copy))
-                                        goto fault;
-                                if ((len -= copy) == 0)
-                                        return 0;
-                                offset += copy;
-                        }
-                        start = end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
+
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        if (skb_copy_datagram_iovec(frag_iter,
+                                                    offset - start,
+                                                    to, copy))
+                                goto fault;
+                        if ((len -= copy) == 0)
+                                return 0;
+                        offset += copy;
                 }
+                start = end;
         }
         if (!len)
                 return 0;
@@ -369,6 +366,7 @@ int skb_copy_datagram_const_iovec(const struct sk_buff *skb, int offset,
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
 
         /* Copy header. */
         if (copy > 0) {
@@ -411,30 +409,26 @@ int skb_copy_datagram_const_iovec(const struct sk_buff *skb, int offset,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                if (skb_copy_datagram_const_iovec(list,
-                                                            offset - start,
-                                                            to, to_offset,
-                                                            copy))
-                                        goto fault;
-                                if ((len -= copy) == 0)
-                                        return 0;
-                                offset += copy;
-                                to_offset += copy;
-                        }
-                        start = end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
+
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        if (skb_copy_datagram_const_iovec(frag_iter,
+                                                          offset - start,
+                                                          to, to_offset,
+                                                          copy))
+                                goto fault;
+                        if ((len -= copy) == 0)
+                                return 0;
+                        offset += copy;
+                        to_offset += copy;
                 }
+                start = end;
         }
         if (!len)
                 return 0;
@@ -461,12 +455,14 @@ int skb_copy_datagram_from_iovec(struct sk_buff *skb, int offset,
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
 
         /* Copy header. */
         if (copy > 0) {
                 if (copy > len)
                         copy = len;
-                if (memcpy_fromiovecend(skb->data + offset, from, 0, copy))
+                if (memcpy_fromiovecend(skb->data + offset, from, from_offset,
+                                        copy))
                         goto fault;
                 if ((len -= copy) == 0)
                         return 0;
@@ -505,31 +501,27 @@ int skb_copy_datagram_from_iovec(struct sk_buff *skb, int offset,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                if (skb_copy_datagram_from_iovec(list,
-                                                                 offset - start,
-                                                                 from,
-                                                                 from_offset,
-                                                                 copy))
-                                        goto fault;
-                                if ((len -= copy) == 0)
-                                        return 0;
-                                offset += copy;
-                                from_offset += copy;
-                        }
-                        start = end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
+
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        if (skb_copy_datagram_from_iovec(frag_iter,
+                                                         offset - start,
+                                                         from,
+                                                         from_offset,
+                                                         copy))
+                                goto fault;
+                        if ((len -= copy) == 0)
+                                return 0;
+                        offset += copy;
+                        from_offset += copy;
                 }
+                start = end;
         }
         if (!len)
                 return 0;
@@ -544,8 +536,9 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset,
                                       __wsum *csump)
 {
         int start = skb_headlen(skb);
-        int pos = 0;
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
+        int pos = 0;
 
         /* Copy header. */
         if (copy > 0) {
@@ -596,33 +589,29 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list=list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                __wsum csum2 = 0;
-                                if (copy > len)
-                                        copy = len;
-                                if (skb_copy_and_csum_datagram(list,
-                                                               offset - start,
-                                                               to, copy,
-                                                               &csum2))
-                                        goto fault;
-                                *csump = csum_block_add(*csump, csum2, pos);
-                                if ((len -= copy) == 0)
-                                        return 0;
-                                offset += copy;
-                                to += copy;
-                                pos += copy;
-                        }
-                        start = end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
+
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        __wsum csum2 = 0;
+                        if (copy > len)
+                                copy = len;
+                        if (skb_copy_and_csum_datagram(frag_iter,
+                                                       offset - start,
+                                                       to, copy,
+                                                       &csum2))
+                                goto fault;
+                        *csump = csum_block_add(*csump, csum2, pos);
+                        if ((len -= copy) == 0)
+                                return 0;
+                        offset += copy;
+                        to += copy;
+                        pos += copy;
                 }
+                start = end;
         }
         if (!len)
                 return 0;
diff --git a/net/core/dev.c b/net/core/dev.c
index ed4550fd9ece..11560e3258b5 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -269,7 +269,8 @@ static const unsigned short netdev_lock_type[] =
          ARPHRD_IRDA, ARPHRD_FCPP, ARPHRD_FCAL, ARPHRD_FCPL,
          ARPHRD_FCFABRIC, ARPHRD_IEEE802_TR, ARPHRD_IEEE80211,
          ARPHRD_IEEE80211_PRISM, ARPHRD_IEEE80211_RADIOTAP, ARPHRD_PHONET,
-         ARPHRD_PHONET_PIPE, ARPHRD_VOID, ARPHRD_NONE};
+         ARPHRD_PHONET_PIPE, ARPHRD_IEEE802154, ARPHRD_IEEE802154_PHY,
+         ARPHRD_VOID, ARPHRD_NONE};
 
 static const char *netdev_lock_name[] =
         {"_xmit_NETROM", "_xmit_ETHER", "_xmit_EETHER", "_xmit_AX25",
@@ -286,7 +287,8 @@ static const char *netdev_lock_name[] =
          "_xmit_IRDA", "_xmit_FCPP", "_xmit_FCAL", "_xmit_FCPL",
          "_xmit_FCFABRIC", "_xmit_IEEE802_TR", "_xmit_IEEE80211",
          "_xmit_IEEE80211_PRISM", "_xmit_IEEE80211_RADIOTAP", "_xmit_PHONET",
-         "_xmit_PHONET_PIPE", "_xmit_VOID", "_xmit_NONE"};
+         "_xmit_PHONET_PIPE", "_xmit_IEEE802154", "_xmit_IEEE802154_PHY",
+         "_xmit_VOID", "_xmit_NONE"};
 
 static struct lock_class_key netdev_xmit_lock_key[ARRAY_SIZE(netdev_lock_type)];
 static struct lock_class_key netdev_addr_lock_key[ARRAY_SIZE(netdev_lock_type)];
@@ -1048,7 +1050,7 @@ void dev_load(struct net *net, const char *name)
 int dev_open(struct net_device *dev)
 {
         const struct net_device_ops *ops = dev->netdev_ops;
-        int ret = 0;
+        int ret;
 
         ASSERT_RTNL();
 
@@ -1065,6 +1067,11 @@ int dev_open(struct net_device *dev)
         if (!netif_device_present(dev))
                 return -ENODEV;
 
+        ret = call_netdevice_notifiers(NETDEV_PRE_UP, dev);
+        ret = notifier_to_errno(ret);
+        if (ret)
+                return ret;
+
         /*
          *      Call device private open method
          */
@@ -1693,10 +1700,9 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
                  * If device doesnt need skb->dst, release it right now while
                  * its hot in this cpu cache
                  */
-                if ((dev->priv_flags & IFF_XMIT_DST_RELEASE) && skb->dst) {
-                        dst_release(skb->dst);
-                        skb->dst = NULL;
-                }
+                if (dev->priv_flags & IFF_XMIT_DST_RELEASE)
+                        skb_dst_drop(skb);
+
                 rc = ops->ndo_start_xmit(skb, dev);
                 if (rc == 0)
                         txq_trans_update(txq);
@@ -1816,7 +1822,7 @@ int dev_queue_xmit(struct sk_buff *skb)
         if (netif_needs_gso(dev, skb))
                 goto gso;
 
-        if (skb_shinfo(skb)->frag_list &&
+        if (skb_has_frags(skb) &&
             !(dev->features & NETIF_F_FRAGLIST) &&
             __skb_linearize(skb))
                 goto out_kfree_skb;
@@ -2403,7 +2409,7 @@ int dev_gro_receive(struct napi_struct *napi, struct sk_buff *skb)
         if (!(skb->dev->features & NETIF_F_GRO))
                 goto normal;
 
-        if (skb_is_gso(skb) || skb_shinfo(skb)->frag_list)
+        if (skb_is_gso(skb) || skb_has_frags(skb))
                 goto normal;
 
         rcu_read_lock();
@@ -3473,8 +3479,9 @@ void dev_set_rx_mode(struct net_device *dev)
 
 /* hw addresses list handling functions */
 
-static int __hw_addr_add(struct list_head *list, unsigned char *addr,
-                         int addr_len, unsigned char addr_type)
+static int __hw_addr_add(struct list_head *list, int *delta,
+                         unsigned char *addr, int addr_len,
+                         unsigned char addr_type)
 {
         struct netdev_hw_addr *ha;
         int alloc_size;
@@ -3482,6 +3489,15 @@ static int __hw_addr_add(struct list_head *list, unsigned char *addr,
         if (addr_len > MAX_ADDR_LEN)
                 return -EINVAL;
 
+        list_for_each_entry(ha, list, list) {
+                if (!memcmp(ha->addr, addr, addr_len) &&
+                    ha->type == addr_type) {
+                        ha->refcount++;
+                        return 0;
+                }
+        }
+
+
         alloc_size = sizeof(*ha);
         if (alloc_size < L1_CACHE_BYTES)
                 alloc_size = L1_CACHE_BYTES;
@@ -3490,7 +3506,11 @@ static int __hw_addr_add(struct list_head *list, unsigned char *addr,
                 return -ENOMEM;
         memcpy(ha->addr, addr, addr_len);
         ha->type = addr_type;
+        ha->refcount = 1;
+        ha->synced = false;
         list_add_tail_rcu(&ha->list, list);
+        if (delta)
+                (*delta)++;
         return 0;
 }
 
@@ -3502,29 +3522,30 @@ static void ha_rcu_free(struct rcu_head *head)
         kfree(ha);
 }
 
-static int __hw_addr_del_ii(struct list_head *list, unsigned char *addr,
-                            int addr_len, unsigned char addr_type,
-                            int ignore_index)
+static int __hw_addr_del(struct list_head *list, int *delta,
+                         unsigned char *addr, int addr_len,
+                         unsigned char addr_type)
 {
         struct netdev_hw_addr *ha;
-        int i = 0;
 
         list_for_each_entry(ha, list, list) {
-                if (i++ != ignore_index &&
-                    !memcmp(ha->addr, addr, addr_len) &&
+                if (!memcmp(ha->addr, addr, addr_len) &&
                     (ha->type == addr_type || !addr_type)) {
+                        if (--ha->refcount)
+                                return 0;
                         list_del_rcu(&ha->list);
                         call_rcu(&ha->rcu_head, ha_rcu_free);
+                        if (delta)
+                                (*delta)--;
                         return 0;
                 }
         }
         return -ENOENT;
 }
 
-static int __hw_addr_add_multiple_ii(struct list_head *to_list,
-                                     struct list_head *from_list,
-                                     int addr_len, unsigned char addr_type,
-                                     int ignore_index)
+static int __hw_addr_add_multiple(struct list_head *to_list, int *to_delta,
+                                  struct list_head *from_list, int addr_len,
+                                  unsigned char addr_type)
 {
         int err;
         struct netdev_hw_addr *ha, *ha2;
@@ -3532,7 +3553,8 @@ static int __hw_addr_add_multiple_ii(struct list_head *to_list,
 
         list_for_each_entry(ha, from_list, list) {
                 type = addr_type ? addr_type : ha->type;
-                err = __hw_addr_add(to_list, ha->addr, addr_len, type);
+                err = __hw_addr_add(to_list, to_delta, ha->addr,
+                                    addr_len, type);
                 if (err)
                         goto unroll;
         }
@@ -3543,27 +3565,69 @@ unroll:
                 if (ha2 == ha)
                         break;
                 type = addr_type ? addr_type : ha2->type;
-                __hw_addr_del_ii(to_list, ha2->addr, addr_len, type,
-                                 ignore_index);
+                __hw_addr_del(to_list, to_delta, ha2->addr,
+                              addr_len, type);
         }
         return err;
 }
 
-static void __hw_addr_del_multiple_ii(struct list_head *to_list,
-                                      struct list_head *from_list,
-                                      int addr_len, unsigned char addr_type,
-                                      int ignore_index)
+static void __hw_addr_del_multiple(struct list_head *to_list, int *to_delta,
+                                   struct list_head *from_list, int addr_len,
+                                   unsigned char addr_type)
 {
         struct netdev_hw_addr *ha;
         unsigned char type;
 
         list_for_each_entry(ha, from_list, list) {
                 type = addr_type ? addr_type : ha->type;
-                __hw_addr_del_ii(to_list, ha->addr, addr_len, addr_type,
-                                 ignore_index);
+                __hw_addr_del(to_list, to_delta, ha->addr,
+                              addr_len, addr_type);
+        }
+}
+
+static int __hw_addr_sync(struct list_head *to_list, int *to_delta,
+                          struct list_head *from_list, int *from_delta,
+                          int addr_len)
+{
+        int err = 0;
+        struct netdev_hw_addr *ha, *tmp;
+
+        list_for_each_entry_safe(ha, tmp, from_list, list) {
+                if (!ha->synced) {
+                        err = __hw_addr_add(to_list, to_delta, ha->addr,
+                                            addr_len, ha->type);
+                        if (err)
+                                break;
+                        ha->synced = true;
+                        ha->refcount++;
+                } else if (ha->refcount == 1) {
+                        __hw_addr_del(to_list, to_delta, ha->addr,
+                                      addr_len, ha->type);
+                        __hw_addr_del(from_list, from_delta, ha->addr,
+                                      addr_len, ha->type);
+                }
+        }
+        return err;
+}
+
+static void __hw_addr_unsync(struct list_head *to_list, int *to_delta,
+                             struct list_head *from_list, int *from_delta,
+                             int addr_len)
+{
+        struct netdev_hw_addr *ha, *tmp;
+
+        list_for_each_entry_safe(ha, tmp, from_list, list) {
+                if (ha->synced) {
+                        __hw_addr_del(to_list, to_delta, ha->addr,
+                                      addr_len, ha->type);
+                        ha->synced = false;
+                        __hw_addr_del(from_list, from_delta, ha->addr,
+                                      addr_len, ha->type);
+                }
         }
 }
 
+
 static void __hw_addr_flush(struct list_head *list)
 {
         struct netdev_hw_addr *ha, *tmp;
@@ -3593,8 +3657,8 @@ static int dev_addr_init(struct net_device *dev)
         /* rtnl_mutex must be held here */
 
         INIT_LIST_HEAD(&dev->dev_addr_list);
-        memset(addr, 0, sizeof(*addr));
-        err = __hw_addr_add(&dev->dev_addr_list, addr, sizeof(*addr),
+        memset(addr, 0, sizeof(addr));
+        err = __hw_addr_add(&dev->dev_addr_list, NULL, addr, sizeof(addr),
                             NETDEV_HW_ADDR_T_LAN);
         if (!err) {
                 /*
@@ -3626,7 +3690,7 @@ int dev_addr_add(struct net_device *dev, unsigned char *addr,
 
         ASSERT_RTNL();
 
-        err = __hw_addr_add(&dev->dev_addr_list, addr, dev->addr_len,
+        err = __hw_addr_add(&dev->dev_addr_list, NULL, addr, dev->addr_len,
                             addr_type);
         if (!err)
                 call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
@@ -3649,11 +3713,20 @@ int dev_addr_del(struct net_device *dev, unsigned char *addr,
                  unsigned char addr_type)
 {
         int err;
+        struct netdev_hw_addr *ha;
 
         ASSERT_RTNL();
 
-        err = __hw_addr_del_ii(&dev->dev_addr_list, addr, dev->addr_len,
-                               addr_type, 0);
+        /*
+         * We can not remove the first address from the list because
+         * dev->dev_addr points to that.
+         */
+        ha = list_first_entry(&dev->dev_addr_list, struct netdev_hw_addr, list);
+        if (ha->addr == dev->dev_addr && ha->refcount == 1)
+                return -ENOENT;
+
+        err = __hw_addr_del(&dev->dev_addr_list, NULL, addr, dev->addr_len,
+                            addr_type);
         if (!err)
                 call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
         return err;
@@ -3680,9 +3753,9 @@ int dev_addr_add_multiple(struct net_device *to_dev,
 
         if (from_dev->addr_len != to_dev->addr_len)
                 return -EINVAL;
-        err = __hw_addr_add_multiple_ii(&to_dev->dev_addr_list,
-                                        &from_dev->dev_addr_list,
-                                        to_dev->addr_len, addr_type, 0);
+        err = __hw_addr_add_multiple(&to_dev->dev_addr_list, NULL,
+                                     &from_dev->dev_addr_list,
+                                     to_dev->addr_len, addr_type);
         if (!err)
                 call_netdevice_notifiers(NETDEV_CHANGEADDR, to_dev);
         return err;
@@ -3707,9 +3780,9 @@ int dev_addr_del_multiple(struct net_device *to_dev,
 
         if (from_dev->addr_len != to_dev->addr_len)
                 return -EINVAL;
-        __hw_addr_del_multiple_ii(&to_dev->dev_addr_list,
-                                  &from_dev->dev_addr_list,
-                                  to_dev->addr_len, addr_type, 0);
+        __hw_addr_del_multiple(&to_dev->dev_addr_list, NULL,
+                               &from_dev->dev_addr_list,
+                               to_dev->addr_len, addr_type);
         call_netdevice_notifiers(NETDEV_CHANGEADDR, to_dev);
         return 0;
 }
@@ -3779,24 +3852,22 @@ int __dev_addr_add(struct dev_addr_list **list, int *count,
  *      dev_unicast_delete      - Release secondary unicast address.
  *      @dev: device
  *      @addr: address to delete
- *      @alen: length of @addr
  *
  *      Release reference to a secondary unicast address and remove it
  *      from the device if the reference count drops to zero.
  *
  *      The caller must hold the rtnl_mutex.
  */
-int dev_unicast_delete(struct net_device *dev, void *addr, int alen)
+int dev_unicast_delete(struct net_device *dev, void *addr)
 {
         int err;
 
         ASSERT_RTNL();
 
-        netif_addr_lock_bh(dev);
-        err = __dev_addr_delete(&dev->uc_list, &dev->uc_count, addr, alen, 0);
+        err = __hw_addr_del(&dev->uc_list, &dev->uc_count, addr,
+                            dev->addr_len, NETDEV_HW_ADDR_T_UNICAST);
         if (!err)
                 __dev_set_rx_mode(dev);
-        netif_addr_unlock_bh(dev);
         return err;
 }
 EXPORT_SYMBOL(dev_unicast_delete);
@@ -3805,24 +3876,22 @@ EXPORT_SYMBOL(dev_unicast_delete);
  *      dev_unicast_add         - add a secondary unicast address
  *      @dev: device
  *      @addr: address to add
- *      @alen: length of @addr
  *
  *      Add a secondary unicast address to the device or increase
  *      the reference count if it already exists.
  *
  *      The caller must hold the rtnl_mutex.
  */
-int dev_unicast_add(struct net_device *dev, void *addr, int alen)
+int dev_unicast_add(struct net_device *dev, void *addr)
 {
         int err;
 
         ASSERT_RTNL();
 
-        netif_addr_lock_bh(dev);
-        err = __dev_addr_add(&dev->uc_list, &dev->uc_count, addr, alen, 0);
+        err = __hw_addr_add(&dev->uc_list, &dev->uc_count, addr,
+                            dev->addr_len, NETDEV_HW_ADDR_T_UNICAST);
         if (!err)
                 __dev_set_rx_mode(dev);
-        netif_addr_unlock_bh(dev);
         return err;
 }
 EXPORT_SYMBOL(dev_unicast_add);
@@ -3879,8 +3948,7 @@ void __dev_addr_unsync(struct dev_addr_list **to, int *to_count,
  *      @from: source device
  *
  *      Add newly added addresses to the destination device and release
- *      addresses that have no users left. The source device must be
- *      locked by netif_tx_lock_bh.
+ *      addresses that have no users left.
  *
  *      This function is intended to be called from the dev->set_rx_mode
  *      function of layered software devices.
@@ -3889,12 +3957,15 @@ int dev_unicast_sync(struct net_device *to, struct net_device *from)
 {
         int err = 0;
 
-        netif_addr_lock_bh(to);
-        err = __dev_addr_sync(&to->uc_list, &to->uc_count,
-                              &from->uc_list, &from->uc_count);
+        ASSERT_RTNL();
+
+        if (to->addr_len != from->addr_len)
+                return -EINVAL;
+
+        err = __hw_addr_sync(&to->uc_list, &to->uc_count,
+                             &from->uc_list, &from->uc_count, to->addr_len);
         if (!err)
                 __dev_set_rx_mode(to);
-        netif_addr_unlock_bh(to);
         return err;
 }
 EXPORT_SYMBOL(dev_unicast_sync);
@@ -3910,18 +3981,33 @@ EXPORT_SYMBOL(dev_unicast_sync);
  */
 void dev_unicast_unsync(struct net_device *to, struct net_device *from)
 {
-        netif_addr_lock_bh(from);
-        netif_addr_lock(to);
+        ASSERT_RTNL();
 
-        __dev_addr_unsync(&to->uc_list, &to->uc_count,
-                          &from->uc_list, &from->uc_count);
-        __dev_set_rx_mode(to);
+        if (to->addr_len != from->addr_len)
+                return;
 
-        netif_addr_unlock(to);
-        netif_addr_unlock_bh(from);
+        __hw_addr_unsync(&to->uc_list, &to->uc_count,
+                         &from->uc_list, &from->uc_count, to->addr_len);
+        __dev_set_rx_mode(to);
 }
 EXPORT_SYMBOL(dev_unicast_unsync);
 
+static void dev_unicast_flush(struct net_device *dev)
+{
+        /* rtnl_mutex must be held here */
+
+        __hw_addr_flush(&dev->uc_list);
+        dev->uc_count = 0;
+}
+
+static void dev_unicast_init(struct net_device *dev)
+{
+        /* rtnl_mutex must be held here */
+
+        INIT_LIST_HEAD(&dev->uc_list);
+}
+
+
 static void __dev_addr_discard(struct dev_addr_list **list)
 {
         struct dev_addr_list *tmp;
@@ -3940,9 +4026,6 @@ static void dev_addr_discard(struct net_device *dev)
 {
         netif_addr_lock_bh(dev);
 
-        __dev_addr_discard(&dev->uc_list);
-        dev->uc_count = 0;
-
         __dev_addr_discard(&dev->mc_list);
         dev->mc_count = 0;
 
@@ -4535,6 +4618,7 @@ static void rollback_registered(struct net_device *dev)
         /*
          *      Flush the unicast and multicast chains
          */
+        dev_unicast_flush(dev);
         dev_addr_discard(dev);
 
         if (dev->netdev_ops->ndo_uninit)
@@ -4988,18 +5072,18 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
         struct netdev_queue *tx;
         struct net_device *dev;
         size_t alloc_size;
-        void *p;
+        struct net_device *p;
 
         BUG_ON(strlen(name) >= sizeof(dev->name));
 
         alloc_size = sizeof(struct net_device);
         if (sizeof_priv) {
                 /* ensure 32-byte alignment of private area */
-                alloc_size = (alloc_size + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST;
+                alloc_size = ALIGN(alloc_size, NETDEV_ALIGN);
                 alloc_size += sizeof_priv;
         }
         /* ensure 32-byte alignment of whole construct */
-        alloc_size += NETDEV_ALIGN_CONST;
+        alloc_size += NETDEV_ALIGN - 1;
 
         p = kzalloc(alloc_size, GFP_KERNEL);
         if (!p) {
@@ -5014,13 +5098,14 @@ struct net_device *alloc_netdev_mq(int sizeof_priv, const char *name,
                 goto free_p;
         }
 
-        dev = (struct net_device *)
-                (((long)p + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST);
+        dev = PTR_ALIGN(p, NETDEV_ALIGN);
         dev->padded = (char *)dev - (char *)p;
 
         if (dev_addr_init(dev))
                 goto free_tx;
 
+        dev_unicast_init(dev);
+
         dev_net_set(dev, &init_net);
 
         dev->_tx = tx;
@@ -5224,6 +5309,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
         /*
          *      Flush the unicast and multicast chains
          */
+        dev_unicast_flush(dev);
         dev_addr_discard(dev);
 
         netdev_unregister_kobject(dev);
diff --git a/net/core/iovec.c b/net/core/iovec.c
index 40a76ce19d9f..16ad45d4882b 100644
--- a/net/core/iovec.c
+++ b/net/core/iovec.c
@@ -112,9 +112,9 @@ int memcpy_toiovecend(const struct iovec *iov, unsigned char *kdata,
                         continue;
                 }
                 copy = min_t(unsigned int, iov->iov_len - offset, len);
-                offset = 0;
-                if (copy_to_user(iov->iov_base, kdata, copy))
+                if (copy_to_user(iov->iov_base + offset, kdata, copy))
                         return -EFAULT;
+                offset = 0;
                 kdata += copy;
                 len -= copy;
         }
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index a1cbce7fdae5..163b4f5b0365 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -771,6 +771,28 @@ static __inline__ int neigh_max_probes(struct neighbour *n)
                 p->ucast_probes + p->app_probes + p->mcast_probes);
 }
 
+static void neigh_invalidate(struct neighbour *neigh)
+{
+        struct sk_buff *skb;
+
+        NEIGH_CACHE_STAT_INC(neigh->tbl, res_failed);
+        NEIGH_PRINTK2("neigh %p is failed.\n", neigh);
+        neigh->updated = jiffies;
+
+        /* It is very thin place. report_unreachable is very complicated
+           routine. Particularly, it can hit the same neighbour entry!
+
+           So that, we try to be accurate and avoid dead loop. --ANK
+         */
+        while (neigh->nud_state == NUD_FAILED &&
+               (skb = __skb_dequeue(&neigh->arp_queue)) != NULL) {
+                write_unlock(&neigh->lock);
+                neigh->ops->error_report(neigh, skb);
+                write_lock(&neigh->lock);
+        }
+        skb_queue_purge(&neigh->arp_queue);
+}
+
 /* Called when a timer expires for a neighbour entry. */
 
 static void neigh_timer_handler(unsigned long arg)
@@ -835,26 +857,9 @@ static void neigh_timer_handler(unsigned long arg)
 
         if ((neigh->nud_state & (NUD_INCOMPLETE | NUD_PROBE)) &&
             atomic_read(&neigh->probes) >= neigh_max_probes(neigh)) {
-                struct sk_buff *skb;
-
                 neigh->nud_state = NUD_FAILED;
-                neigh->updated = jiffies;
                 notify = 1;
-                NEIGH_CACHE_STAT_INC(neigh->tbl, res_failed);
-                NEIGH_PRINTK2("neigh %p is failed.\n", neigh);
-
-                /* It is very thin place. report_unreachable is very complicated
-                   routine. Particularly, it can hit the same neighbour entry!
-
-                   So that, we try to be accurate and avoid dead loop. --ANK
-                 */
-                while (neigh->nud_state == NUD_FAILED &&
-                       (skb = __skb_dequeue(&neigh->arp_queue)) != NULL) {
-                        write_unlock(&neigh->lock);
-                        neigh->ops->error_report(neigh, skb);
-                        write_lock(&neigh->lock);
-                }
-                skb_queue_purge(&neigh->arp_queue);
+                neigh_invalidate(neigh);
         }
 
         if (neigh->nud_state & NUD_IN_TIMER) {
@@ -1001,6 +1006,11 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
                 neigh->nud_state = new;
                 err = 0;
                 notify = old & NUD_VALID;
+                if ((old & (NUD_INCOMPLETE | NUD_PROBE)) &&
+                    (new & NUD_FAILED)) {
+                        neigh_invalidate(neigh);
+                        notify = 1;
+                }
                 goto out;
         }
 
@@ -1088,8 +1098,8 @@ int neigh_update(struct neighbour *neigh, const u8 *lladdr, u8 new,
                         struct neighbour *n1 = neigh;
                         write_unlock_bh(&neigh->lock);
                         /* On shaper/eql skb->dst->neighbour != neigh :( */
-                        if (skb->dst && skb->dst->neighbour)
-                                n1 = skb->dst->neighbour;
+                        if (skb_dst(skb) && skb_dst(skb)->neighbour)
+                                n1 = skb_dst(skb)->neighbour;
                         n1->output(skb);
                         write_lock_bh(&neigh->lock);
                 }
@@ -1182,7 +1192,7 @@ EXPORT_SYMBOL(neigh_compat_output);
 
 int neigh_resolve_output(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct neighbour *neigh;
         int rc = 0;
 
@@ -1229,7 +1239,7 @@ EXPORT_SYMBOL(neigh_resolve_output);
 int neigh_connected_output(struct sk_buff *skb)
 {
         int err;
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct neighbour *neigh = dst->neighbour;
         struct net_device *dev = neigh->dev;
 
@@ -1298,8 +1308,7 @@ void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
                 if (time_before(tbl->proxy_timer.expires, sched_next))
                         sched_next = tbl->proxy_timer.expires;
         }
-        dst_release(skb->dst);
-        skb->dst = NULL;
+        skb_dst_drop(skb);
         dev_hold(skb->dev);
         __skb_queue_tail(&tbl->proxy_queue, skb);
         mod_timer(&tbl->proxy_timer, sched_next);
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b8ccd3c88d63..19b8c20e98a4 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -3691,8 +3691,7 @@ out1:
 #ifdef CONFIG_XFRM
         free_SAs(pkt_dev);
 #endif
-        if (pkt_dev->flows)
-                vfree(pkt_dev->flows);
+        vfree(pkt_dev->flows);
         kfree(pkt_dev);
         return err;
 }
@@ -3791,8 +3790,7 @@ static int pktgen_remove_device(struct pktgen_thread *t,
 #ifdef CONFIG_XFRM
         free_SAs(pkt_dev);
 #endif
-        if (pkt_dev->flows)
-                vfree(pkt_dev->flows);
+        vfree(pkt_dev->flows);
         kfree(pkt_dev);
         return 0;
 }
diff --git a/net/core/skb_dma_map.c b/net/core/skb_dma_map.c
index 86234923a3b7..79687dfd6957 100644
--- a/net/core/skb_dma_map.c
+++ b/net/core/skb_dma_map.c
@@ -20,7 +20,7 @@ int skb_dma_map(struct device *dev, struct sk_buff *skb,
         if (dma_mapping_error(dev, map))
                 goto out_err;
 
-        sp->dma_maps[0] = map;
+        sp->dma_head = map;
         for (i = 0; i < sp->nr_frags; i++) {
                 skb_frag_t *fp = &sp->frags[i];
 
@@ -28,9 +28,8 @@ int skb_dma_map(struct device *dev, struct sk_buff *skb,
                                    fp->size, dir);
                 if (dma_mapping_error(dev, map))
                         goto unwind;
-                sp->dma_maps[i + 1] = map;
+                sp->dma_maps[i] = map;
         }
-        sp->num_dma_maps = i + 1;
 
         return 0;
 
@@ -38,10 +37,10 @@ unwind:
         while (--i >= 0) {
                 skb_frag_t *fp = &sp->frags[i];
 
-                dma_unmap_page(dev, sp->dma_maps[i + 1],
+                dma_unmap_page(dev, sp->dma_maps[i],
                                fp->size, dir);
         }
-        dma_unmap_single(dev, sp->dma_maps[0],
+        dma_unmap_single(dev, sp->dma_head,
                          skb_headlen(skb), dir);
 out_err:
         return -ENOMEM;
@@ -54,12 +53,12 @@ void skb_dma_unmap(struct device *dev, struct sk_buff *skb,
         struct skb_shared_info *sp = skb_shinfo(skb);
         int i;
 
-        dma_unmap_single(dev, sp->dma_maps[0],
+        dma_unmap_single(dev, sp->dma_head,
                          skb_headlen(skb), dir);
         for (i = 0; i < sp->nr_frags; i++) {
                 skb_frag_t *fp = &sp->frags[i];
 
-                dma_unmap_page(dev, sp->dma_maps[i + 1],
+                dma_unmap_page(dev, sp->dma_maps[i],
                                fp->size, dir);
         }
 }
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 8e815e685f28..b94d777e3eb4 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -210,7 +210,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
         shinfo->gso_type = 0;
         shinfo->ip6_frag_id = 0;
         shinfo->tx_flags.flags = 0;
-        shinfo->frag_list = NULL;
+        skb_frag_list_init(skb);
         memset(&shinfo->hwtstamps, 0, sizeof(shinfo->hwtstamps));
 
         if (fclone) {
@@ -323,7 +323,7 @@ static void skb_clone_fraglist(struct sk_buff *skb)
 {
         struct sk_buff *list;
 
-        for (list = skb_shinfo(skb)->frag_list; list; list = list->next)
+        skb_walk_frags(skb, list)
                 skb_get(list);
 }
 
@@ -338,7 +338,7 @@ static void skb_release_data(struct sk_buff *skb)
                                 put_page(skb_shinfo(skb)->frags[i].page);
                 }
 
-                if (skb_shinfo(skb)->frag_list)
+                if (skb_has_frags(skb))
                         skb_drop_fraglist(skb);
 
                 kfree(skb->head);
@@ -381,7 +381,7 @@ static void kfree_skbmem(struct sk_buff *skb)
 
 static void skb_release_head_state(struct sk_buff *skb)
 {
-        dst_release(skb->dst);
+        skb_dst_drop(skb);
 #ifdef CONFIG_XFRM
         secpath_put(skb->sp);
 #endif
@@ -503,7 +503,7 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
         shinfo->gso_type = 0;
         shinfo->ip6_frag_id = 0;
         shinfo->tx_flags.flags = 0;
-        shinfo->frag_list = NULL;
+        skb_frag_list_init(skb);
         memset(&shinfo->hwtstamps, 0, sizeof(shinfo->hwtstamps));
 
         memset(skb, 0, offsetof(struct sk_buff, tail));
@@ -521,7 +521,7 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
         new->transport_header   = old->transport_header;
         new->network_header     = old->network_header;
         new->mac_header         = old->mac_header;
-        new->dst                = dst_clone(old->dst);
+        skb_dst_set(new, dst_clone(skb_dst(old)));
 #ifdef CONFIG_XFRM
         new->sp                 = secpath_get(old->sp);
 #endif
@@ -552,7 +552,6 @@ static void __copy_skb_header(struct sk_buff *new, const struct sk_buff *old)
         new->vlan_tci           = old->vlan_tci;
 #if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE)
         new->do_not_encrypt     = old->do_not_encrypt;
-        new->requeue            = old->requeue;
 #endif
 
         skb_copy_secmark(new, old);
@@ -758,7 +757,7 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask)
                 skb_shinfo(n)->nr_frags = i;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
+        if (skb_has_frags(skb)) {
                 skb_shinfo(n)->frag_list = skb_shinfo(skb)->frag_list;
                 skb_clone_fraglist(n);
         }
@@ -821,7 +820,7 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail,
         for (i = 0; i < skb_shinfo(skb)->nr_frags; i++)
                 get_page(skb_shinfo(skb)->frags[i].page);
 
-        if (skb_shinfo(skb)->frag_list)
+        if (skb_has_frags(skb))
                 skb_clone_fraglist(skb);
 
         skb_release_data(skb);
@@ -1093,7 +1092,7 @@ drop_pages:
                 for (; i < nfrags; i++)
                         put_page(skb_shinfo(skb)->frags[i].page);
 
-                if (skb_shinfo(skb)->frag_list)
+                if (skb_has_frags(skb))
                         skb_drop_fraglist(skb);
                 goto done;
         }
@@ -1188,7 +1187,7 @@ unsigned char *__pskb_pull_tail(struct sk_buff *skb, int delta)
         /* Optimization: no fragments, no reasons to preestimate
          * size of pulled pages. Superb.
          */
-        if (!skb_shinfo(skb)->frag_list)
+        if (!skb_has_frags(skb))
                 goto pull_pages;
 
         /* Estimate size of pulled pages. */
@@ -1285,8 +1284,9 @@ EXPORT_SYMBOL(__pskb_pull_tail);
 
 int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
 {
-        int i, copy;
         int start = skb_headlen(skb);
+        struct sk_buff *frag_iter;
+        int i, copy;
 
         if (offset > (int)skb->len - len)
                 goto fault;
@@ -1328,28 +1328,23 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len)
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
 
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                if (skb_copy_bits(list, offset - start,
-                                                  to, copy))
-                                        goto fault;
-                                if ((len -= copy) == 0)
-                                        return 0;
-                                offset += copy;
-                                to     += copy;
-                        }
-                        start = end;
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        if (skb_copy_bits(frag_iter, offset - start, to, copy))
+                                goto fault;
+                        if ((len -= copy) == 0)
+                                return 0;
+                        offset += copy;
+                        to     += copy;
                 }
+                start = end;
         }
         if (!len)
                 return 0;
@@ -1534,6 +1529,7 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
                 .ops = &sock_pipe_buf_ops,
                 .spd_release = sock_spd_release,
         };
+        struct sk_buff *frag_iter;
         struct sock *sk = skb->sk;
 
         /*
@@ -1548,13 +1544,11 @@ int skb_splice_bits(struct sk_buff *skb, unsigned int offset,
         /*
          * now see if we have a frag_list to map
          */
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list && tlen; list = list->next) {
-                        if (__skb_splice_bits(list, &offset, &tlen, &spd, sk))
-                                break;
-                }
+        skb_walk_frags(skb, frag_iter) {
+                if (!tlen)
+                        break;
+                if (__skb_splice_bits(frag_iter, &offset, &tlen, &spd, sk))
+                        break;
         }
 
 done:
@@ -1593,8 +1587,9 @@ done:
 
 int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len)
 {
-        int i, copy;
         int start = skb_headlen(skb);
+        struct sk_buff *frag_iter;
+        int i, copy;
 
         if (offset > (int)skb->len - len)
                 goto fault;
@@ -1635,28 +1630,24 @@ int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len)
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
 
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                if (skb_store_bits(list, offset - start,
-                                                   from, copy))
-                                        goto fault;
-                                if ((len -= copy) == 0)
-                                        return 0;
-                                offset += copy;
-                                from += copy;
-                        }
-                        start = end;
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        if (skb_store_bits(frag_iter, offset - start,
+                                           from, copy))
+                                goto fault;
+                        if ((len -= copy) == 0)
+                                return 0;
+                        offset += copy;
+                        from += copy;
                 }
+                start = end;
         }
         if (!len)
                 return 0;
@@ -1673,6 +1664,7 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset,
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
         int pos = 0;
 
         /* Checksum header. */
@@ -1712,29 +1704,25 @@ __wsum skb_checksum(const struct sk_buff *skb, int offset,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
 
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                __wsum csum2;
-                                if (copy > len)
-                                        copy = len;
-                                csum2 = skb_checksum(list, offset - start,
-                                                     copy, 0);
-                                csum = csum_block_add(csum, csum2, pos);
-                                if ((len -= copy) == 0)
-                                        return csum;
-                                offset += copy;
-                                pos    += copy;
-                        }
-                        start = end;
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        __wsum csum2;
+                        if (copy > len)
+                                copy = len;
+                        csum2 = skb_checksum(frag_iter, offset - start,
+                                             copy, 0);
+                        csum = csum_block_add(csum, csum2, pos);
+                        if ((len -= copy) == 0)
+                                return csum;
+                        offset += copy;
+                        pos    += copy;
                 }
+                start = end;
         }
         BUG_ON(len);
 
@@ -1749,6 +1737,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
         int pos = 0;
 
         /* Copy header. */
@@ -1793,31 +1782,27 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
+        skb_walk_frags(skb, frag_iter) {
+                __wsum csum2;
+                int end;
 
-                for (; list; list = list->next) {
-                        __wsum csum2;
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                csum2 = skb_copy_and_csum_bits(list,
-                                                               offset - start,
-                                                               to, copy, 0);
-                                csum = csum_block_add(csum, csum2, pos);
-                                if ((len -= copy) == 0)
-                                        return csum;
-                                offset += copy;
-                                to     += copy;
-                                pos    += copy;
-                        }
-                        start = end;
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        csum2 = skb_copy_and_csum_bits(frag_iter,
+                                                       offset - start,
+                                                       to, copy, 0);
+                        csum = csum_block_add(csum, csum2, pos);
+                        if ((len -= copy) == 0)
+                                return csum;
+                        offset += copy;
+                        to     += copy;
+                        pos    += copy;
                 }
+                start = end;
         }
         BUG_ON(len);
         return csum;
@@ -2327,8 +2312,7 @@ next_skb:
                 st->frag_data = NULL;
         }
 
-        if (st->root_skb == st->cur_skb &&
-            skb_shinfo(st->root_skb)->frag_list) {
+        if (st->root_skb == st->cur_skb && skb_has_frags(st->root_skb)) {
                 st->cur_skb = skb_shinfo(st->root_skb)->frag_list;
                 st->frag_idx = 0;
                 goto next_skb;
@@ -2639,7 +2623,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features)
                         } else
                                 skb_get(fskb2);
 
-                        BUG_ON(skb_shinfo(nskb)->frag_list);
+                        SKB_FRAG_ASSERT(nskb);
                         skb_shinfo(nskb)->frag_list = fskb2;
                 }
 
@@ -2796,6 +2780,7 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
         int elt = 0;
 
         if (copy > 0) {
@@ -2829,26 +2814,22 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len)
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list = list->next) {
-                        int end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
 
-                        WARN_ON(start > offset + len);
+                WARN_ON(start > offset + len);
 
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                elt += __skb_to_sgvec(list, sg+elt, offset - start,
-                                                      copy);
-                                if ((len -= copy) == 0)
-                                        return elt;
-                                offset += copy;
-                        }
-                        start = end;
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        elt += __skb_to_sgvec(frag_iter, sg+elt, offset - start,
+                                              copy);
+                        if ((len -= copy) == 0)
+                                return elt;
+                        offset += copy;
                 }
+                start = end;
         }
         BUG_ON(len);
         return elt;
@@ -2896,7 +2877,7 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer)
                 return -ENOMEM;
 
         /* Easy case. Most of packets will go this way. */
-        if (!skb_shinfo(skb)->frag_list) {
+        if (!skb_has_frags(skb)) {
                 /* A little of trouble, not enough of space for trailer.
                  * This should not happen, when stack is tuned to generate
                  * good frames. OK, on miss we reallocate and reserve even more
@@ -2931,7 +2912,7 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer)
 
                 if (skb1->next == NULL && tailbits) {
                         if (skb_shinfo(skb1)->nr_frags ||
-                            skb_shinfo(skb1)->frag_list ||
+                            skb_has_frags(skb1) ||
                             skb_tailroom(skb1) < tailbits)
                                 ntail = tailbits + 128;
                 }
@@ -2940,7 +2921,7 @@ int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer)
                     skb_cloned(skb1) ||
                     ntail ||
                     skb_shinfo(skb1)->nr_frags ||
-                    skb_shinfo(skb1)->frag_list) {
+                    skb_has_frags(skb1)) {
                         struct sk_buff *skb2;
 
                         /* Fuck, we are miserable poor guys... */
@@ -3026,12 +3007,12 @@ EXPORT_SYMBOL_GPL(skb_tstamp_tx);
  */
 bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off)
 {
-        if (unlikely(start > skb->len - 2) ||
-            unlikely((int)start + off > skb->len - 2)) {
+        if (unlikely(start > skb_headlen(skb)) ||
+            unlikely((int)start + off > skb_headlen(skb) - 2)) {
                 if (net_ratelimit())
                         printk(KERN_WARNING
                                "bad partial csum: csum=%u/%u len=%u\n",
-                               start, off, skb->len);
+                               start, off, skb_headlen(skb));
                 return false;
         }
         skb->ip_summed = CHECKSUM_PARTIAL;
diff --git a/net/core/sock.c b/net/core/sock.c
index 7dbf3ffb35cc..06e26b77ad9e 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -155,6 +155,7 @@ static const char *af_family_key_strings[AF_MAX+1] = {
   "sk_lock-27"       , "sk_lock-28"          , "sk_lock-AF_CAN"      ,
   "sk_lock-AF_TIPC"  , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV"        ,
   "sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN"     , "sk_lock-AF_PHONET"   ,
+  "sk_lock-AF_IEEE802154",
   "sk_lock-AF_MAX"
 };
 static const char *af_family_slock_key_strings[AF_MAX+1] = {
@@ -170,6 +171,7 @@ static const char *af_family_slock_key_strings[AF_MAX+1] = {
   "slock-27"       , "slock-28"          , "slock-AF_CAN"      ,
   "slock-AF_TIPC"  , "slock-AF_BLUETOOTH", "slock-AF_IUCV"     ,
   "slock-AF_RXRPC" , "slock-AF_ISDN"     , "slock-AF_PHONET"   ,
+  "slock-AF_IEEE802154",
   "slock-AF_MAX"
 };
 static const char *af_family_clock_key_strings[AF_MAX+1] = {
@@ -185,6 +187,7 @@ static const char *af_family_clock_key_strings[AF_MAX+1] = {
   "clock-27"       , "clock-28"          , "clock-AF_CAN"      ,
   "clock-AF_TIPC"  , "clock-AF_BLUETOOTH", "clock-AF_IUCV"     ,
   "clock-AF_RXRPC" , "clock-AF_ISDN"     , "clock-AF_PHONET"   ,
+  "clock-AF_IEEE802154",
   "clock-AF_MAX"
 };
 
@@ -212,6 +215,7 @@ __u32 sysctl_rmem_default __read_mostly = SK_RMEM_MAX;
 
 /* Maximal space eaten by iovec or ancilliary data plus some space */
 int sysctl_optmem_max __read_mostly = sizeof(unsigned long)*(2*UIO_MAXIOV+512);
+EXPORT_SYMBOL(sysctl_optmem_max);
 
 static int sock_set_timeout(long *timeo_p, char __user *optval, int optlen)
 {
@@ -444,7 +448,7 @@ static inline void sock_valbool_flag(struct sock *sk, int bit, int valbool)
 int sock_setsockopt(struct socket *sock, int level, int optname,
                     char __user *optval, int optlen)
 {
-        struct sock *sk=sock->sk;
+        struct sock *sk = sock->sk;
         int val;
         int valbool;
         struct linger ling;
@@ -463,15 +467,15 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
         if (get_user(val, (int __user *)optval))
                 return -EFAULT;
 
-        valbool = val?1:0;
+        valbool = val ? 1 : 0;
 
         lock_sock(sk);
 
-        switch(optname) {
+        switch (optname) {
         case SO_DEBUG:
-                if (val && !capable(CAP_NET_ADMIN)) {
+                if (val && !capable(CAP_NET_ADMIN))
                         ret = -EACCES;
-                } else
+                else
                         sock_valbool_flag(sk, SOCK_DBG, valbool);
                 break;
         case SO_REUSEADDR:
@@ -582,7 +586,7 @@ set_rcvbuf:
                         ret = -EINVAL;  /* 1003.1g */
                         break;
                 }
-                if (copy_from_user(&ling,optval,sizeof(ling))) {
+                if (copy_from_user(&ling, optval, sizeof(ling))) {
                         ret = -EFAULT;
                         break;
                 }
@@ -690,9 +694,8 @@ set_rcvbuf:
         case SO_MARK:
                 if (!capable(CAP_NET_ADMIN))
                         ret = -EPERM;
-                else {
+                else
                         sk->sk_mark = val;
-                }
                 break;
 
                 /* We implement the SO_SNDLOWAT etc to
@@ -704,6 +707,7 @@ set_rcvbuf:
         release_sock(sk);
         return ret;
 }
+EXPORT_SYMBOL(sock_setsockopt);
 
 
 int sock_getsockopt(struct socket *sock, int level, int optname,
@@ -727,7 +731,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
 
         memset(&v, 0, sizeof(v));
 
-        switch(optname) {
+        switch (optname) {
         case SO_DEBUG:
                 v.val = sock_flag(sk, SOCK_DBG);
                 break;
@@ -762,7 +766,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
 
         case SO_ERROR:
                 v.val = -sock_error(sk);
-                if (v.val==0)
+                if (v.val == 0)
                         v.val = xchg(&sk->sk_err_soft, 0);
                 break;
 
@@ -816,7 +820,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                 break;
 
         case SO_RCVTIMEO:
-                lv=sizeof(struct timeval);
+                lv = sizeof(struct timeval);
                 if (sk->sk_rcvtimeo == MAX_SCHEDULE_TIMEOUT) {
                         v.tm.tv_sec = 0;
                         v.tm.tv_usec = 0;
@@ -827,7 +831,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                 break;
 
         case SO_SNDTIMEO:
-                lv=sizeof(struct timeval);
+                lv = sizeof(struct timeval);
                 if (sk->sk_sndtimeo == MAX_SCHEDULE_TIMEOUT) {
                         v.tm.tv_sec = 0;
                         v.tm.tv_usec = 0;
@@ -842,7 +846,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                 break;
 
         case SO_SNDLOWAT:
-                v.val=1;
+                v.val = 1;
                 break;
 
         case SO_PASSCRED:
@@ -1002,8 +1006,9 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
 
         return sk;
 }
+EXPORT_SYMBOL(sk_alloc);
 
-void sk_free(struct sock *sk)
+static void __sk_free(struct sock *sk)
 {
         struct sk_filter *filter;
 
@@ -1027,6 +1032,18 @@ void sk_free(struct sock *sk)
         sk_prot_free(sk->sk_prot_creator, sk);
 }
 
+void sk_free(struct sock *sk)
+{
+        /*
+         * We substract one from sk_wmem_alloc and can know if
+         * some packets are still in some tx queue.
+         * If not null, sock_wfree() will call __sk_free(sk) later
+         */
+        if (atomic_dec_and_test(&sk->sk_wmem_alloc))
+                __sk_free(sk);
+}
+EXPORT_SYMBOL(sk_free);
+
 /*
  * Last sock_put should drop referrence to sk->sk_net. It has already
  * been dropped in sk_change_net. Taking referrence to stopping namespace
@@ -1065,7 +1082,10 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
                 newsk->sk_backlog.head  = newsk->sk_backlog.tail = NULL;
 
                 atomic_set(&newsk->sk_rmem_alloc, 0);
-                atomic_set(&newsk->sk_wmem_alloc, 0);
+                /*
+                 * sk_wmem_alloc set to one (see sk_free() and sock_wfree())
+                 */
+                atomic_set(&newsk->sk_wmem_alloc, 1);
                 atomic_set(&newsk->sk_omem_alloc, 0);
                 skb_queue_head_init(&newsk->sk_receive_queue);
                 skb_queue_head_init(&newsk->sk_write_queue);
@@ -1126,7 +1146,6 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
 out:
         return newsk;
 }
-
 EXPORT_SYMBOL_GPL(sk_clone);
 
 void sk_setup_caps(struct sock *sk, struct dst_entry *dst)
@@ -1170,13 +1189,20 @@ void __init sk_init(void)
 void sock_wfree(struct sk_buff *skb)
 {
         struct sock *sk = skb->sk;
+        int res;
 
         /* In case it might be waiting for more memory. */
-        atomic_sub(skb->truesize, &sk->sk_wmem_alloc);
+        res = atomic_sub_return(skb->truesize, &sk->sk_wmem_alloc);
         if (!sock_flag(sk, SOCK_USE_WRITE_QUEUE))
                 sk->sk_write_space(sk);
-        sock_put(sk);
+        /*
+         * if sk_wmem_alloc reached 0, we are last user and should
+         * free this sock, as sk_free() call could not do it.
+         */
+        if (res == 0)
+                __sk_free(sk);
 }
+EXPORT_SYMBOL(sock_wfree);
 
 /*
  * Read buffer destructor automatically called from kfree_skb.
@@ -1188,6 +1214,7 @@ void sock_rfree(struct sk_buff *skb)
         atomic_sub(skb->truesize, &sk->sk_rmem_alloc);
         sk_mem_uncharge(skb->sk, skb->truesize);
 }
+EXPORT_SYMBOL(sock_rfree);
 
 
 int sock_i_uid(struct sock *sk)
@@ -1199,6 +1226,7 @@ int sock_i_uid(struct sock *sk)
         read_unlock(&sk->sk_callback_lock);
         return uid;
 }
+EXPORT_SYMBOL(sock_i_uid);
 
 unsigned long sock_i_ino(struct sock *sk)
 {
@@ -1209,6 +1237,7 @@ unsigned long sock_i_ino(struct sock *sk)
         read_unlock(&sk->sk_callback_lock);
         return ino;
 }
+EXPORT_SYMBOL(sock_i_ino);
 
 /*
  * Allocate a skb from the socket's send buffer.
@@ -1217,7 +1246,7 @@ struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
                              gfp_t priority)
 {
         if (force || atomic_read(&sk->sk_wmem_alloc) < sk->sk_sndbuf) {
-                struct sk_buff * skb = alloc_skb(size, priority);
+                struct sk_buff *skb = alloc_skb(size, priority);
                 if (skb) {
                         skb_set_owner_w(skb, sk);
                         return skb;
@@ -1225,6 +1254,7 @@ struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
         }
         return NULL;
 }
+EXPORT_SYMBOL(sock_wmalloc);
 
 /*
  * Allocate a skb from the socket's receive buffer.
@@ -1261,6 +1291,7 @@ void *sock_kmalloc(struct sock *sk, int size, gfp_t priority)
         }
         return NULL;
 }
+EXPORT_SYMBOL(sock_kmalloc);
 
 /*
  * Free an option memory block.
@@ -1270,11 +1301,12 @@ void sock_kfree_s(struct sock *sk, void *mem, int size)
         kfree(mem);
         atomic_sub(size, &sk->sk_omem_alloc);
 }
+EXPORT_SYMBOL(sock_kfree_s);
 
 /* It is almost wait_for_tcp_memory minus release_sock/lock_sock.
    I think, these locks should be removed for datagram sockets.
  */
-static long sock_wait_for_wmem(struct sock * sk, long timeo)
+static long sock_wait_for_wmem(struct sock *sk, long timeo)
 {
         DEFINE_WAIT(wait);
 
@@ -1392,6 +1424,7 @@ struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size,
 {
         return sock_alloc_send_pskb(sk, size, 0, noblock, errcode);
 }
+EXPORT_SYMBOL(sock_alloc_send_skb);
 
 static void __lock_sock(struct sock *sk)
 {
@@ -1460,7 +1493,6 @@ int sk_wait_data(struct sock *sk, long *timeo)
         finish_wait(sk->sk_sleep, &wait);
         return rc;
 }
-
 EXPORT_SYMBOL(sk_wait_data);
 
 /**
@@ -1541,7 +1573,6 @@ suppress_allocation:
         atomic_sub(amt, prot->memory_allocated);
         return 0;
 }
-
 EXPORT_SYMBOL(__sk_mem_schedule);
 
 /**
@@ -1560,7 +1591,6 @@ void __sk_mem_reclaim(struct sock *sk)
             (atomic_read(prot->memory_allocated) < prot->sysctl_mem[0]))
                 *prot->memory_pressure = 0;
 }
-
 EXPORT_SYMBOL(__sk_mem_reclaim);
 
 
@@ -1575,78 +1605,92 @@ int sock_no_bind(struct socket *sock, struct sockaddr *saddr, int len)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_bind);
 
 int sock_no_connect(struct socket *sock, struct sockaddr *saddr,
                     int len, int flags)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_connect);
 
 int sock_no_socketpair(struct socket *sock1, struct socket *sock2)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_socketpair);
 
 int sock_no_accept(struct socket *sock, struct socket *newsock, int flags)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_accept);
 
 int sock_no_getname(struct socket *sock, struct sockaddr *saddr,
                     int *len, int peer)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_getname);
 
-unsigned int sock_no_poll(struct file * file, struct socket *sock, poll_table *pt)
+unsigned int sock_no_poll(struct file *file, struct socket *sock, poll_table *pt)
 {
         return 0;
 }
+EXPORT_SYMBOL(sock_no_poll);
 
 int sock_no_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_ioctl);
 
 int sock_no_listen(struct socket *sock, int backlog)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_listen);
 
 int sock_no_shutdown(struct socket *sock, int how)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_shutdown);
 
 int sock_no_setsockopt(struct socket *sock, int level, int optname,
                     char __user *optval, int optlen)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_setsockopt);
 
 int sock_no_getsockopt(struct socket *sock, int level, int optname,
                     char __user *optval, int __user *optlen)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_getsockopt);
 
 int sock_no_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
                     size_t len)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_sendmsg);
 
 int sock_no_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *m,
                     size_t len, int flags)
 {
         return -EOPNOTSUPP;
 }
+EXPORT_SYMBOL(sock_no_recvmsg);
 
 int sock_no_mmap(struct file *file, struct socket *sock, struct vm_area_struct *vma)
 {
         /* Mirror missing mmap method error code */
         return -ENODEV;
 }
+EXPORT_SYMBOL(sock_no_mmap);
 
 ssize_t sock_no_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags)
 {
@@ -1660,6 +1704,7 @@ ssize_t sock_no_sendpage(struct socket *sock, struct page *page, int offset, siz
         kunmap(page);
         return res;
 }
+EXPORT_SYMBOL(sock_no_sendpage);
 
 /*
  *      Default Socket Callbacks
@@ -1723,6 +1768,7 @@ void sk_send_sigurg(struct sock *sk)
                 if (send_sigurg(&sk->sk_socket->file->f_owner))
                         sk_wake_async(sk, SOCK_WAKE_URG, POLL_PRI);
 }
+EXPORT_SYMBOL(sk_send_sigurg);
 
 void sk_reset_timer(struct sock *sk, struct timer_list* timer,
                     unsigned long expires)
@@ -1730,7 +1776,6 @@ void sk_reset_timer(struct sock *sk, struct timer_list* timer,
         if (!mod_timer(timer, expires))
                 sock_hold(sk);
 }
-
 EXPORT_SYMBOL(sk_reset_timer);
 
 void sk_stop_timer(struct sock *sk, struct timer_list* timer)
@@ -1738,7 +1783,6 @@ void sk_stop_timer(struct sock *sk, struct timer_list* timer)
         if (timer_pending(timer) && del_timer(timer))
                 __sock_put(sk);
 }
-
 EXPORT_SYMBOL(sk_stop_timer);
 
 void sock_init_data(struct socket *sock, struct sock *sk)
@@ -1795,8 +1839,10 @@ void sock_init_data(struct socket *sock, struct sock *sk)
         sk->sk_stamp = ktime_set(-1L, 0);
 
         atomic_set(&sk->sk_refcnt, 1);
+        atomic_set(&sk->sk_wmem_alloc, 1);
         atomic_set(&sk->sk_drops, 0);
 }
+EXPORT_SYMBOL(sock_init_data);
 
 void lock_sock_nested(struct sock *sk, int subclass)
 {
@@ -1812,7 +1858,6 @@ void lock_sock_nested(struct sock *sk, int subclass)
         mutex_acquire(&sk->sk_lock.dep_map, subclass, 0, _RET_IP_);
         local_bh_enable();
 }
-
 EXPORT_SYMBOL(lock_sock_nested);
 
 void release_sock(struct sock *sk)
@@ -1895,7 +1940,6 @@ int sock_common_getsockopt(struct socket *sock, int level, int optname,
 
         return sk->sk_prot->getsockopt(sk, level, optname, optval, optlen);
 }
-
 EXPORT_SYMBOL(sock_common_getsockopt);
 
 #ifdef CONFIG_COMPAT
@@ -1925,7 +1969,6 @@ int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
                 msg->msg_namelen = addr_len;
         return err;
 }
-
 EXPORT_SYMBOL(sock_common_recvmsg);
 
 /*
@@ -1938,7 +1981,6 @@ int sock_common_setsockopt(struct socket *sock, int level, int optname,
 
         return sk->sk_prot->setsockopt(sk, level, optname, optval, optlen);
 }
-
 EXPORT_SYMBOL(sock_common_setsockopt);
 
 #ifdef CONFIG_COMPAT
@@ -1989,7 +2031,6 @@ void sk_common_release(struct sock *sk)
         sk_refcnt_debug_release(sk);
         sock_put(sk);
 }
-
 EXPORT_SYMBOL(sk_common_release);
 
 static DEFINE_RWLOCK(proto_list_lock);
@@ -2171,7 +2212,6 @@ out_free_sock_slab:
 out:
         return -ENOBUFS;
 }
-
 EXPORT_SYMBOL(proto_register);
 
 void proto_unregister(struct proto *prot)
@@ -2198,7 +2238,6 @@ void proto_unregister(struct proto *prot)
                 prot->twsk_prot->twsk_slab = NULL;
         }
 }
-
 EXPORT_SYMBOL(proto_unregister);
 
 #ifdef CONFIG_PROC_FS
@@ -2324,33 +2363,3 @@ static int __init proto_init(void)
 subsys_initcall(proto_init);
 
 #endif /* PROC_FS */
-
-EXPORT_SYMBOL(sk_alloc);
-EXPORT_SYMBOL(sk_free);
-EXPORT_SYMBOL(sk_send_sigurg);
-EXPORT_SYMBOL(sock_alloc_send_skb);
-EXPORT_SYMBOL(sock_init_data);
-EXPORT_SYMBOL(sock_kfree_s);
-EXPORT_SYMBOL(sock_kmalloc);
-EXPORT_SYMBOL(sock_no_accept);
-EXPORT_SYMBOL(sock_no_bind);
-EXPORT_SYMBOL(sock_no_connect);
-EXPORT_SYMBOL(sock_no_getname);
-EXPORT_SYMBOL(sock_no_getsockopt);
-EXPORT_SYMBOL(sock_no_ioctl);
-EXPORT_SYMBOL(sock_no_listen);
-EXPORT_SYMBOL(sock_no_mmap);
-EXPORT_SYMBOL(sock_no_poll);
-EXPORT_SYMBOL(sock_no_recvmsg);
-EXPORT_SYMBOL(sock_no_sendmsg);
-EXPORT_SYMBOL(sock_no_sendpage);
-EXPORT_SYMBOL(sock_no_setsockopt);
-EXPORT_SYMBOL(sock_no_shutdown);
-EXPORT_SYMBOL(sock_no_socketpair);
-EXPORT_SYMBOL(sock_rfree);
-EXPORT_SYMBOL(sock_setsockopt);
-EXPORT_SYMBOL(sock_wfree);
-EXPORT_SYMBOL(sock_wmalloc);
-EXPORT_SYMBOL(sock_i_uid);
-EXPORT_SYMBOL(sock_i_ino);
-EXPORT_SYMBOL(sysctl_optmem_max);
diff --git a/net/core/user_dma.c b/net/core/user_dma.c
index 164b090d5ac3..25d717ebc92e 100644
--- a/net/core/user_dma.c
+++ b/net/core/user_dma.c
@@ -51,6 +51,7 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
+        struct sk_buff *frag_iter;
         dma_cookie_t cookie = 0;
 
         /* Copy header. */
@@ -94,31 +95,28 @@ int dma_skb_copy_datagram_iovec(struct dma_chan *chan,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        copy = end - offset;
-                        if (copy > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                cookie = dma_skb_copy_datagram_iovec(chan, list,
-                                                offset - start, to, copy,
-                                                pinned_list);
-                                if (cookie < 0)
-                                        goto fault;
-                                len -= copy;
-                                if (len == 0)
-                                        goto end;
-                                offset += copy;
-                        }
-                        start = end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
+
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                copy = end - offset;
+                if (copy > 0) {
+                        if (copy > len)
+                                copy = len;
+                        cookie = dma_skb_copy_datagram_iovec(chan, frag_iter,
+                                                             offset - start,
+                                                             to, copy,
+                                                             pinned_list);
+                        if (cookie < 0)
+                                goto fault;
+                        len -= copy;
+                        if (len == 0)
+                                goto end;
+                        offset += copy;
                 }
+                start = end;
         }
 
 end:
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index d1dd95289b89..a0a36c9e6cce 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -452,7 +452,7 @@ static struct dst_entry* dccp_v4_route_skb(struct net *net, struct sock *sk,
                                            struct sk_buff *skb)
 {
         struct rtable *rt;
-        struct flowi fl = { .oif = skb->rtable->rt_iif,
+        struct flowi fl = { .oif = skb_rtable(skb)->rt_iif,
                             .nl_u = { .ip4_u =
                                       { .daddr = ip_hdr(skb)->saddr,
                                         .saddr = ip_hdr(skb)->daddr,
@@ -507,14 +507,14 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
         const struct iphdr *rxiph;
         struct sk_buff *skb;
         struct dst_entry *dst;
-        struct net *net = dev_net(rxskb->dst->dev);
+        struct net *net = dev_net(skb_dst(rxskb)->dev);
         struct sock *ctl_sk = net->dccp.v4_ctl_sk;
 
         /* Never send a reset in response to a reset. */
         if (dccp_hdr(rxskb)->dccph_type == DCCP_PKT_RESET)
                 return;
 
-        if (rxskb->rtable->rt_type != RTN_LOCAL)
+        if (skb_rtable(rxskb)->rt_type != RTN_LOCAL)
                 return;
 
         dst = dccp_v4_route_skb(net, ctl_sk, rxskb);
@@ -528,7 +528,7 @@ static void dccp_v4_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
         rxiph = ip_hdr(rxskb);
         dccp_hdr(skb)->dccph_checksum = dccp_v4_csum_finish(skb, rxiph->saddr,
                                                                  rxiph->daddr);
-        skb->dst = dst_clone(dst);
+        skb_dst_set(skb, dst_clone(dst));
 
         bh_lock_sock(ctl_sk);
         err = ip_build_and_send_pkt(skb, ctl_sk,
@@ -567,7 +567,7 @@ int dccp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
         struct dccp_skb_cb *dcb = DCCP_SKB_CB(skb);
 
         /* Never answer to DCCP_PKT_REQUESTs send to broadcast or multicast */
-        if (skb->rtable->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
+        if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
                 return 0;       /* discard, don't send a reset here */
 
         if (dccp_bad_service_code(sk, service)) {
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index b963f35c65f6..05ea7440d9e5 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -314,8 +314,9 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
         struct ipv6hdr *rxip6h;
         struct sk_buff *skb;
         struct flowi fl;
-        struct net *net = dev_net(rxskb->dst->dev);
+        struct net *net = dev_net(skb_dst(rxskb)->dev);
         struct sock *ctl_sk = net->dccp.v6_ctl_sk;
+        struct dst_entry *dst;
 
         if (dccp_hdr(rxskb)->dccph_type == DCCP_PKT_RESET)
                 return;
@@ -342,8 +343,9 @@ static void dccp_v6_ctl_send_reset(struct sock *sk, struct sk_buff *rxskb)
         security_skb_classify_flow(rxskb, &fl);
 
         /* sk = NULL, but it is safe for now. RST socket required. */
-        if (!ip6_dst_lookup(ctl_sk, &skb->dst, &fl)) {
-                if (xfrm_lookup(net, &skb->dst, &fl, NULL, 0) >= 0) {
+        if (!ip6_dst_lookup(ctl_sk, &dst, &fl)) {
+                if (xfrm_lookup(net, &dst, &fl, NULL, 0) >= 0) {
+                        skb_dst_set(skb, dst);
                         ip6_xmit(ctl_sk, skb, &fl, NULL, 0);
                         DCCP_INC_STATS_BH(DCCP_MIB_OUTSEGS);
                         DCCP_INC_STATS_BH(DCCP_MIB_OUTRSTS);
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 36bcc00654d3..c0e88c16d088 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -350,7 +350,7 @@ struct sk_buff *dccp_make_response(struct sock *sk, struct dst_entry *dst,
         /* Reserve space for headers. */
         skb_reserve(skb, sk->sk_prot->max_header);
 
-        skb->dst = dst_clone(dst);
+        skb_dst_set(skb, dst_clone(dst));
 
         dreq = dccp_rsk(req);
         if (inet_rsk(req)->acked)       /* increase ISS upon retransmission */
diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c
index 9647d911f916..a5e3a593e472 100644
--- a/net/decnet/af_decnet.c
+++ b/net/decnet/af_decnet.c
@@ -1075,6 +1075,7 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
         int err = 0;
         unsigned char type;
         long timeo = sock_rcvtimeo(sk, flags & O_NONBLOCK);
+        struct dst_entry *dst;
 
         lock_sock(sk);
 
@@ -1102,8 +1103,9 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags)
         }
         release_sock(sk);
 
-        dst_release(xchg(&newsk->sk_dst_cache, skb->dst));
-        skb->dst = NULL;
+        dst = skb_dst(skb);
+        dst_release(xchg(&newsk->sk_dst_cache, dst));
+        skb_dst_set(skb, NULL);
 
         DN_SK(newsk)->state        = DN_CR;
         DN_SK(newsk)->addrrem      = cb->src_port;
@@ -1250,14 +1252,8 @@ static int dn_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                 if (skb) {
                         amount = skb->len;
                 } else {
-                        skb = sk->sk_receive_queue.next;
-                        for (;;) {
-                                if (skb ==
-                                    (struct sk_buff *)&sk->sk_receive_queue)
-                                        break;
+                        skb_queue_walk(&sk->sk_receive_queue, skb)
                                 amount += skb->len;
-                                skb = skb->next;
-                        }
                 }
                 release_sock(sk);
                 err = put_user(amount, (int __user *)arg);
@@ -1644,13 +1640,13 @@ static int __dn_getsockopt(struct socket *sock, int level,int optname, char __us
 
 static int dn_data_ready(struct sock *sk, struct sk_buff_head *q, int flags, int target)
 {
-        struct sk_buff *skb = q->next;
+        struct sk_buff *skb;
         int len = 0;
 
         if (flags & MSG_OOB)
                 return !skb_queue_empty(q) ? 1 : 0;
 
-        while(skb != (struct sk_buff *)q) {
+        skb_queue_walk(q, skb) {
                 struct dn_skb_cb *cb = DN_SKB_CB(skb);
                 len += skb->len;
 
@@ -1666,8 +1662,6 @@ static int dn_data_ready(struct sock *sk, struct sk_buff_head *q, int flags, int
                 /* minimum data length for read exceeded */
                 if (len >= target)
                         return 1;
-
-                skb = skb->next;
         }
 
         return 0;
@@ -1683,7 +1677,7 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
         size_t target = size > 1 ? 1 : 0;
         size_t copied = 0;
         int rv = 0;
-        struct sk_buff *skb, *nskb;
+        struct sk_buff *skb, *n;
         struct dn_skb_cb *cb = NULL;
         unsigned char eor = 0;
         long timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
@@ -1758,7 +1752,7 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
                 finish_wait(sk->sk_sleep, &wait);
         }
 
-        for(skb = queue->next; skb != (struct sk_buff *)queue; skb = nskb) {
+        skb_queue_walk_safe(queue, skb, n) {
                 unsigned int chunk = skb->len;
                 cb = DN_SKB_CB(skb);
 
@@ -1775,7 +1769,6 @@ static int dn_recvmsg(struct kiocb *iocb, struct socket *sock,
                         skb_pull(skb, chunk);
 
                 eor = cb->nsp_flags & 0x40;
-                nskb = skb->next;
 
                 if (skb->len == 0) {
                         skb_unlink(skb, queue);
diff --git a/net/decnet/dn_neigh.c b/net/decnet/dn_neigh.c
index 05b5aa05e50e..923786bd6d01 100644
--- a/net/decnet/dn_neigh.c
+++ b/net/decnet/dn_neigh.c
@@ -204,7 +204,7 @@ static void dn_short_error_report(struct neighbour *neigh, struct sk_buff *skb)
 
 static int dn_neigh_output_packet(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct dn_route *rt = (struct dn_route *)dst;
         struct neighbour *neigh = dst->neighbour;
         struct net_device *dev = neigh->dev;
@@ -224,7 +224,7 @@ static int dn_neigh_output_packet(struct sk_buff *skb)
 
 static int dn_long_output(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct neighbour *neigh = dst->neighbour;
         struct net_device *dev = neigh->dev;
         int headroom = dev->hard_header_len + sizeof(struct dn_long_packet) + 3;
@@ -270,7 +270,7 @@ static int dn_long_output(struct sk_buff *skb)
 
 static int dn_short_output(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct neighbour *neigh = dst->neighbour;
         struct net_device *dev = neigh->dev;
         int headroom = dev->hard_header_len + sizeof(struct dn_short_packet) + 2;
@@ -313,7 +313,7 @@ static int dn_short_output(struct sk_buff *skb)
  */
 static int dn_phase3_output(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct neighbour *neigh = dst->neighbour;
         struct net_device *dev = neigh->dev;
         int headroom = dev->hard_header_len + sizeof(struct dn_short_packet) + 2;
diff --git a/net/decnet/dn_nsp_out.c b/net/decnet/dn_nsp_out.c
index 2013c25b7f5a..a65e929ce76c 100644
--- a/net/decnet/dn_nsp_out.c
+++ b/net/decnet/dn_nsp_out.c
@@ -85,7 +85,7 @@ static void dn_nsp_send(struct sk_buff *skb)
         dst = sk_dst_check(sk, 0);
         if (dst) {
 try_again:
-                skb->dst = dst;
+                skb_dst_set(skb, dst);
                 dst_output(skb);
                 return;
         }
@@ -382,7 +382,7 @@ int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff
 {
         struct dn_skb_cb *cb = DN_SKB_CB(skb);
         struct dn_scp *scp = DN_SK(sk);
-        struct sk_buff *skb2, *list, *ack = NULL;
+        struct sk_buff *skb2, *n, *ack = NULL;
         int wakeup = 0;
         int try_retrans = 0;
         unsigned long reftime = cb->stamp;
@@ -390,9 +390,7 @@ int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff
         unsigned short xmit_count;
         unsigned short segnum;
 
-        skb2 = q->next;
-        list = (struct sk_buff *)q;
-        while(list != skb2) {
+        skb_queue_walk_safe(q, skb2, n) {
                 struct dn_skb_cb *cb2 = DN_SKB_CB(skb2);
 
                 if (dn_before_or_equal(cb2->segnum, acknum))
@@ -400,8 +398,6 @@ int dn_nsp_check_xmit_queue(struct sock *sk, struct sk_buff *skb, struct sk_buff
 
                 /* printk(KERN_DEBUG "ack: %s %04x %04x\n", ack ? "ACK" : "SKIP", (int)cb2->segnum, (int)acknum); */
 
-                skb2 = skb2->next;
-
                 if (ack == NULL)
                         continue;
 
@@ -586,7 +582,7 @@ static __inline__ void dn_nsp_do_disc(struct sock *sk, unsigned char msgflg,
          * to be able to send disc packets out which have no socket
          * associations.
          */
-        skb->dst = dst_clone(dst);
+        skb_dst_set(skb, dst_clone(dst));
         dst_output(skb);
 }
 
@@ -615,7 +611,7 @@ void dn_nsp_return_disc(struct sk_buff *skb, unsigned char msgflg,
         int ddl = 0;
         gfp_t gfp = GFP_ATOMIC;
 
-        dn_nsp_do_disc(NULL, msgflg, reason, gfp, skb->dst, ddl,
+        dn_nsp_do_disc(NULL, msgflg, reason, gfp, skb_dst(skb), ddl,
                         NULL, cb->src_port, cb->dst_port);
 }
 
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index 0cc4394117df..1d6ca8a98dc6 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -678,7 +678,7 @@ out:
 
 static int dn_output(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct dn_route *rt = (struct dn_route *)dst;
         struct net_device *dev = dst->dev;
         struct dn_skb_cb *cb = DN_SKB_CB(skb);
@@ -717,7 +717,7 @@ error:
 static int dn_forward(struct sk_buff *skb)
 {
         struct dn_skb_cb *cb = DN_SKB_CB(skb);
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct dn_dev *dn_db = dst->dev->dn_ptr;
         struct dn_route *rt;
         struct neighbour *neigh = dst->neighbour;
@@ -730,7 +730,7 @@ static int dn_forward(struct sk_buff *skb)
                 goto drop;
 
         /* Ensure that we have enough space for headers */
-        rt = (struct dn_route *)skb->dst;
+        rt = (struct dn_route *)skb_dst(skb);
         header_len = dn_db->use_long ? 21 : 6;
         if (skb_cow(skb, LL_RESERVED_SPACE(rt->u.dst.dev)+header_len))
                 goto drop;
@@ -1392,7 +1392,8 @@ make_route:
                 goto e_neighbour;
 
         hash = dn_hash(rt->fl.fld_src, rt->fl.fld_dst);
-        dn_insert_route(rt, hash, (struct dn_route **)&skb->dst);
+        dn_insert_route(rt, hash, &rt);
+        skb_dst_set(skb, &rt->u.dst);
 
 done:
         if (neigh)
@@ -1424,7 +1425,7 @@ static int dn_route_input(struct sk_buff *skb)
         struct dn_skb_cb *cb = DN_SKB_CB(skb);
         unsigned hash = dn_hash(cb->src, cb->dst);
 
-        if (skb->dst)
+        if (skb_dst(skb))
                 return 0;
 
         rcu_read_lock();
@@ -1437,7 +1438,7 @@ static int dn_route_input(struct sk_buff *skb)
                     (rt->fl.iif == cb->iif)) {
                         dst_use(&rt->u.dst, jiffies);
                         rcu_read_unlock();
-                        skb->dst = (struct dst_entry *)rt;
+                        skb_dst_set(skb, (struct dst_entry *)rt);
                         return 0;
                 }
         }
@@ -1449,7 +1450,7 @@ static int dn_route_input(struct sk_buff *skb)
 static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
                            int event, int nowait, unsigned int flags)
 {
-        struct dn_route *rt = (struct dn_route *)skb->dst;
+        struct dn_route *rt = (struct dn_route *)skb_dst(skb);
         struct rtmsg *r;
         struct nlmsghdr *nlh;
         unsigned char *b = skb_tail_pointer(skb);
@@ -1554,7 +1555,7 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
                 err = dn_route_input(skb);
                 local_bh_enable();
                 memset(cb, 0, sizeof(struct dn_skb_cb));
-                rt = (struct dn_route *)skb->dst;
+                rt = (struct dn_route *)skb_dst(skb);
                 if (!err && -rt->u.dst.error)
                         err = rt->u.dst.error;
         } else {
@@ -1570,7 +1571,7 @@ static int dn_cache_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh, void
         skb->dev = NULL;
         if (err)
                 goto out_free;
-        skb->dst = &rt->u.dst;
+        skb_dst_set(skb, &rt->u.dst);
         if (rtm->rtm_flags & RTM_F_NOTIFY)
                 rt->rt_flags |= RTCF_NOTIFY;
 
@@ -1622,15 +1623,15 @@ int dn_cache_dump(struct sk_buff *skb, struct netlink_callback *cb)
                         rt = rcu_dereference(rt->u.dst.dn_next), idx++) {
                         if (idx < s_idx)
                                 continue;
-                        skb->dst = dst_clone(&rt->u.dst);
+                        skb_dst_set(skb, dst_clone(&rt->u.dst));
                         if (dn_rt_fill_info(skb, NETLINK_CB(cb->skb).pid,
                                         cb->nlh->nlmsg_seq, RTM_NEWROUTE,
                                         1, NLM_F_MULTI) <= 0) {
-                                dst_release(xchg(&skb->dst, NULL));
+                                skb_dst_drop(skb);
                                 rcu_read_unlock_bh();
                                 goto done;
                         }
-                        dst_release(xchg(&skb->dst, NULL));
+                        skb_dst_drop(skb);
                 }
                 rcu_read_unlock_bh();
         }
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index ed131181215d..2175e6d5cc8d 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -67,7 +67,7 @@ static int dsa_slave_open(struct net_device *dev)
                 return -ENETDOWN;
 
         if (compare_ether_addr(dev->dev_addr, master->dev_addr)) {
-                err = dev_unicast_add(master, dev->dev_addr, ETH_ALEN);
+                err = dev_unicast_add(master, dev->dev_addr);
                 if (err < 0)
                         goto out;
         }
@@ -90,7 +90,7 @@ clear_allmulti:
                 dev_set_allmulti(master, -1);
 del_unicast:
         if (compare_ether_addr(dev->dev_addr, master->dev_addr))
-                dev_unicast_delete(master, dev->dev_addr, ETH_ALEN);
+                dev_unicast_delete(master, dev->dev_addr);
 out:
         return err;
 }
@@ -108,7 +108,7 @@ static int dsa_slave_close(struct net_device *dev)
                 dev_set_promiscuity(master, -1);
 
         if (compare_ether_addr(dev->dev_addr, master->dev_addr))
-                dev_unicast_delete(master, dev->dev_addr, ETH_ALEN);
+                dev_unicast_delete(master, dev->dev_addr);
 
         return 0;
 }
@@ -147,13 +147,13 @@ static int dsa_slave_set_mac_address(struct net_device *dev, void *a)
                 goto out;
 
         if (compare_ether_addr(addr->sa_data, master->dev_addr)) {
-                err = dev_unicast_add(master, addr->sa_data, ETH_ALEN);
+                err = dev_unicast_add(master, addr->sa_data);
                 if (err < 0)
                         return err;
         }
 
         if (compare_ether_addr(dev->dev_addr, master->dev_addr))
-                dev_unicast_delete(master, dev->dev_addr, ETH_ALEN);
+                dev_unicast_delete(master, dev->dev_addr);
 
 out:
         memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index 6f479fa522c3..8121bf0029e3 100644
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -901,15 +901,10 @@ static void aun_tx_ack(unsigned long seq, int result)
         struct ec_cb *eb;
 
         spin_lock_irqsave(&aun_queue_lock, flags);
-        skb = skb_peek(&aun_queue);
-        while (skb && skb != (struct sk_buff *)&aun_queue)
-        {
-                struct sk_buff *newskb = skb->next;
+        skb_queue_walk(&aun_queue, skb) {
                 eb = (struct ec_cb *)&skb->cb;
                 if (eb->seq == seq)
                         goto foundit;
-
-                skb = newskb;
         }
         spin_unlock_irqrestore(&aun_queue_lock, flags);
         printk(KERN_DEBUG "AUN: unknown sequence %ld\n", seq);
@@ -982,23 +977,18 @@ static void aun_data_available(struct sock *sk, int slen)
 
 static void ab_cleanup(unsigned long h)
 {
-        struct sk_buff *skb;
+        struct sk_buff *skb, *n;
         unsigned long flags;
 
         spin_lock_irqsave(&aun_queue_lock, flags);
-        skb = skb_peek(&aun_queue);
-        while (skb && skb != (struct sk_buff *)&aun_queue)
-        {
-                struct sk_buff *newskb = skb->next;
+        skb_queue_walk_safe(&aun_queue, skb, n) {
                 struct ec_cb *eb = (struct ec_cb *)&skb->cb;
-                if ((jiffies - eb->start) > eb->timeout)
-                {
+                if ((jiffies - eb->start) > eb->timeout) {
                         tx_result(skb->sk, eb->cookie,
                                   ECTYPE_TRANSMIT_NOT_PRESENT);
                         skb_unlink(skb, &aun_queue);
                         kfree_skb(skb);
                 }
-                skb = newskb;
         }
         spin_unlock_irqrestore(&aun_queue_lock, flags);
 
diff --git a/net/ieee802154/Kconfig b/net/ieee802154/Kconfig
new file mode 100644
index 000000000000..1c1de97d264a
--- /dev/null
+++ b/net/ieee802154/Kconfig
@@ -0,0 +1,12 @@
+config IEEE802154
+        tristate "IEEE Std 802.15.4 Low-Rate Wireless Personal Area Networks support (EXPERIMENTAL)"
+        depends on EXPERIMENTAL
+        ---help---
+          IEEE Std 802.15.4 defines a low data rate, low power and low
+          complexity short range wireless personal area networks. It was
+          designed to organise networks of sensors, switches, etc automation
+          devices. Maximum allowed data rate is 250 kb/s and typical personal
+          operating space around 10m.
+
+          Say Y here to compile LR-WPAN support into the kernel or say M to
+          compile it as modules.
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
new file mode 100644
index 000000000000..f99338a26100
--- /dev/null
+++ b/net/ieee802154/Makefile
@@ -0,0 +1,5 @@
+obj-$(CONFIG_IEEE802154) +=     nl802154.o af_802154.o
+nl802154-y              := netlink.o nl_policy.o
+af_802154-y             := af_ieee802154.o raw.o dgram.o
+
+ccflags-y += -Wall -DDEBUG
diff --git a/net/ieee802154/af802154.h b/net/ieee802154/af802154.h
new file mode 100644
index 000000000000..b1ec52537522
--- /dev/null
+++ b/net/ieee802154/af802154.h
@@ -0,0 +1,36 @@
+/*
+ * Internal interfaces for ieee 802.15.4 address family.
+ *
+ * Copyright 2007, 2008, 2009 Siemens AG
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#ifndef AF802154_H
+#define AF802154_H
+
+struct sk_buff;
+struct net_devce;
+extern struct proto ieee802154_raw_prot;
+extern struct proto ieee802154_dgram_prot;
+void ieee802154_raw_deliver(struct net_device *dev, struct sk_buff *skb);
+int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb);
+struct net_device *ieee802154_get_dev(struct net *net,
+                struct ieee802154_addr *addr);
+
+#endif
diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c
new file mode 100644
index 000000000000..882a927cefae
--- /dev/null
+++ b/net/ieee802154/af_ieee802154.c
@@ -0,0 +1,372 @@
+/*
+ * IEEE802154.4 socket interface
+ *
+ * Copyright 2007, 2008 Siemens AG
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
+ */
+
+#include <linux/net.h>
+#include <linux/capability.h>
+#include <linux/module.h>
+#include <linux/if_arp.h>
+#include <linux/if.h>
+#include <linux/termios.h>      /* For TIOCOUTQ/INQ */
+#include <linux/list.h>
+#include <net/datalink.h>
+#include <net/psnap.h>
+#include <net/sock.h>
+#include <net/tcp_states.h>
+#include <net/route.h>
+
+#include <net/ieee802154/af_ieee802154.h>
+#include <net/ieee802154/netdevice.h>
+
+#include "af802154.h"
+
+#define DBG_DUMP(data, len) { \
+        int i; \
+        pr_debug("function: %s: data: len %d:\n", __func__, len); \
+        for (i = 0; i < len; i++) {\
+                pr_debug("%02x: %02x\n", i, (data)[i]); \
+        } \
+}
+
+/*
+ * Utility function for families
+ */
+struct net_device *ieee802154_get_dev(struct net *net,
+                struct ieee802154_addr *addr)
+{
+        struct net_device *dev = NULL;
+        struct net_device *tmp;
+        u16 pan_id, short_addr;
+
+        switch (addr->addr_type) {
+        case IEEE802154_ADDR_LONG:
+                rtnl_lock();
+                dev = dev_getbyhwaddr(net, ARPHRD_IEEE802154, addr->hwaddr);
+                if (dev)
+                        dev_hold(dev);
+                rtnl_unlock();
+                break;
+        case IEEE802154_ADDR_SHORT:
+                if (addr->pan_id == 0xffff ||
+                    addr->short_addr == IEEE802154_ADDR_UNDEF ||
+                    addr->short_addr == 0xffff)
+                        break;
+
+                rtnl_lock();
+
+                for_each_netdev(net, tmp) {
+                        if (tmp->type != ARPHRD_IEEE802154)
+                                continue;
+
+                        pan_id = ieee802154_mlme_ops(tmp)->get_pan_id(tmp);
+                        short_addr =
+                                ieee802154_mlme_ops(tmp)->get_short_addr(tmp);
+
+                        if (pan_id == addr->pan_id &&
+                            short_addr == addr->short_addr) {
+                                dev = tmp;
+                                dev_hold(dev);
+                                break;
+                        }
+                }
+
+                rtnl_unlock();
+                break;
+        default:
+                pr_warning("Unsupported ieee802154 address type: %d\n",
+                                addr->addr_type);
+                break;
+        }
+
+        return dev;
+}
+
+static int ieee802154_sock_release(struct socket *sock)
+{
+        struct sock *sk = sock->sk;
+
+        if (sk) {
+                sock->sk = NULL;
+                sk->sk_prot->close(sk, 0);
+        }
+        return 0;
+}
+static int ieee802154_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
+                struct msghdr *msg, size_t len)
+{
+        struct sock *sk = sock->sk;
+
+        return sk->sk_prot->sendmsg(iocb, sk, msg, len);
+}
+
+static int ieee802154_sock_bind(struct socket *sock, struct sockaddr *uaddr,
+                int addr_len)
+{
+        struct sock *sk = sock->sk;
+
+        if (sk->sk_prot->bind)
+                return sk->sk_prot->bind(sk, uaddr, addr_len);
+
+        return sock_no_bind(sock, uaddr, addr_len);
+}
+
+static int ieee802154_sock_connect(struct socket *sock, struct sockaddr *uaddr,
+                        int addr_len, int flags)
+{
+        struct sock *sk = sock->sk;
+
+        if (uaddr->sa_family == AF_UNSPEC)
+                return sk->sk_prot->disconnect(sk, flags);
+
+        return sk->sk_prot->connect(sk, uaddr, addr_len);
+}
+
+static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg,
+                unsigned int cmd)
+{
+        struct ifreq ifr;
+        int ret = -EINVAL;
+        struct net_device *dev;
+
+        if (copy_from_user(&ifr, arg, sizeof(struct ifreq)))
+                return -EFAULT;
+
+        ifr.ifr_name[IFNAMSIZ-1] = 0;
+
+        dev_load(sock_net(sk), ifr.ifr_name);
+        dev = dev_get_by_name(sock_net(sk), ifr.ifr_name);
+        if (dev->type == ARPHRD_IEEE802154 ||
+            dev->type == ARPHRD_IEEE802154_PHY)
+                ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd);
+
+        if (!ret && copy_to_user(arg, &ifr, sizeof(struct ifreq)))
+                ret = -EFAULT;
+        dev_put(dev);
+
+        return ret;
+}
+
+static int ieee802154_sock_ioctl(struct socket *sock, unsigned int cmd,
+                unsigned long arg)
+{
+        struct sock *sk = sock->sk;
+
+        switch (cmd) {
+        case SIOCGSTAMP:
+                return sock_get_timestamp(sk, (struct timeval __user *)arg);
+        case SIOCGSTAMPNS:
+                return sock_get_timestampns(sk, (struct timespec __user *)arg);
+        case SIOCGIFADDR:
+        case SIOCSIFADDR:
+                return ieee802154_dev_ioctl(sk, (struct ifreq __user *)arg,
+                                cmd);
+        default:
+                if (!sk->sk_prot->ioctl)
+                        return -ENOIOCTLCMD;
+                return sk->sk_prot->ioctl(sk, cmd, arg);
+        }
+}
+
+static const struct proto_ops ieee802154_raw_ops = {
+        .family            = PF_IEEE802154,
+        .owner             = THIS_MODULE,
+        .release           = ieee802154_sock_release,
+        .bind              = ieee802154_sock_bind,
+        .connect           = ieee802154_sock_connect,
+        .socketpair        = sock_no_socketpair,
+        .accept            = sock_no_accept,
+        .getname           = sock_no_getname,
+        .poll              = datagram_poll,
+        .ioctl             = ieee802154_sock_ioctl,
+        .listen            = sock_no_listen,
+        .shutdown          = sock_no_shutdown,
+        .setsockopt        = sock_common_setsockopt,
+        .getsockopt        = sock_common_getsockopt,
+        .sendmsg           = ieee802154_sock_sendmsg,
+        .recvmsg           = sock_common_recvmsg,
+        .mmap              = sock_no_mmap,
+        .sendpage          = sock_no_sendpage,
+#ifdef CONFIG_COMPAT
+        .compat_setsockopt = compat_sock_common_setsockopt,
+        .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
+};
+
+static const struct proto_ops ieee802154_dgram_ops = {
+        .family            = PF_IEEE802154,
+        .owner             = THIS_MODULE,
+        .release           = ieee802154_sock_release,
+        .bind              = ieee802154_sock_bind,
+        .connect           = ieee802154_sock_connect,
+        .socketpair        = sock_no_socketpair,
+        .accept            = sock_no_accept,
+        .getname           = sock_no_getname,
+        .poll              = datagram_poll,
+        .ioctl             = ieee802154_sock_ioctl,
+        .listen            = sock_no_listen,
+        .shutdown          = sock_no_shutdown,
+        .setsockopt        = sock_common_setsockopt,
+        .getsockopt        = sock_common_getsockopt,
+        .sendmsg           = ieee802154_sock_sendmsg,
+        .recvmsg           = sock_common_recvmsg,
+        .mmap              = sock_no_mmap,
+        .sendpage          = sock_no_sendpage,
+#ifdef CONFIG_COMPAT
+        .compat_setsockopt = compat_sock_common_setsockopt,
+        .compat_getsockopt = compat_sock_common_getsockopt,
+#endif
+};
+
+
+/*
+ * Create a socket. Initialise the socket, blank the addresses
+ * set the state.
+ */
+static int ieee802154_create(struct net *net, struct socket *sock,
+                int protocol)
+{
+        struct sock *sk;
+        int rc;
+        struct proto *proto;
+        const struct proto_ops *ops;
+
+        if (net != &init_net)
+                return -EAFNOSUPPORT;
+
+        switch (sock->type) {
+        case SOCK_RAW:
+                proto = &ieee802154_raw_prot;
+                ops = &ieee802154_raw_ops;
+                break;
+        case SOCK_DGRAM:
+                proto = &ieee802154_dgram_prot;
+                ops = &ieee802154_dgram_ops;
+                break;
+        default:
+                rc = -ESOCKTNOSUPPORT;
+                goto out;
+        }
+
+        rc = -ENOMEM;
+        sk = sk_alloc(net, PF_IEEE802154, GFP_KERNEL, proto);
+        if (!sk)
+                goto out;
+        rc = 0;
+
+        sock->ops = ops;
+
+        sock_init_data(sock, sk);
+        /* FIXME: sk->sk_destruct */
+        sk->sk_family = PF_IEEE802154;
+
+        /* Checksums on by default */
+        sock_set_flag(sk, SOCK_ZAPPED);
+
+        if (sk->sk_prot->hash)
+                sk->sk_prot->hash(sk);
+
+        if (sk->sk_prot->init) {
+                rc = sk->sk_prot->init(sk);
+                if (rc)
+                        sk_common_release(sk);
+        }
+out:
+        return rc;
+}
+
+static struct net_proto_family ieee802154_family_ops = {
+        .family         = PF_IEEE802154,
+        .create         = ieee802154_create,
+        .owner          = THIS_MODULE,
+};
+
+static int ieee802154_rcv(struct sk_buff *skb, struct net_device *dev,
+        struct packet_type *pt, struct net_device *orig_dev)
+{
+        DBG_DUMP(skb->data, skb->len);
+        if (!netif_running(dev))
+                return -ENODEV;
+        pr_debug("got frame, type %d, dev %p\n", dev->type, dev);
+
+        if (!net_eq(dev_net(dev), &init_net))
+                goto drop;
+
+        ieee802154_raw_deliver(dev, skb);
+
+        if (dev->type != ARPHRD_IEEE802154)
+                goto drop;
+
+        if (skb->pkt_type != PACKET_OTHERHOST)
+                return ieee802154_dgram_deliver(dev, skb);
+
+drop:
+        kfree_skb(skb);
+        return NET_RX_DROP;
+}
+
+
+static struct packet_type ieee802154_packet_type = {
+        .type = __constant_htons(ETH_P_IEEE802154),
+        .func = ieee802154_rcv,
+};
+
+static int __init af_ieee802154_init(void)
+{
+        int rc = -EINVAL;
+
+        rc = proto_register(&ieee802154_raw_prot, 1);
+        if (rc)
+                goto out;
+
+        rc = proto_register(&ieee802154_dgram_prot, 1);
+        if (rc)
+                goto err_dgram;
+
+        /* Tell SOCKET that we are alive */
+        rc = sock_register(&ieee802154_family_ops);
+        if (rc)
+                goto err_sock;
+        dev_add_pack(&ieee802154_packet_type);
+
+        rc = 0;
+        goto out;
+
+err_sock:
+        proto_unregister(&ieee802154_dgram_prot);
+err_dgram:
+        proto_unregister(&ieee802154_raw_prot);
+out:
+        return rc;
+}
+static void __exit af_ieee802154_remove(void)
+{
+        dev_remove_pack(&ieee802154_packet_type);
+        sock_unregister(PF_IEEE802154);
+        proto_unregister(&ieee802154_dgram_prot);
+        proto_unregister(&ieee802154_raw_prot);
+}
+
+module_init(af_ieee802154_init);
+module_exit(af_ieee802154_remove);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_NETPROTO(PF_IEEE802154);
diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c
new file mode 100644
index 000000000000..1779677aed46
--- /dev/null
+++ b/net/ieee802154/dgram.c
@@ -0,0 +1,394 @@
+/*
+ * ZigBee socket interface
+ *
+ * Copyright 2007, 2008 Siemens AG
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#include <linux/net.h>
+#include <linux/module.h>
+#include <linux/if_arp.h>
+#include <linux/list.h>
+#include <net/sock.h>
+#include <net/ieee802154/af_ieee802154.h>
+#include <net/ieee802154/mac_def.h>
+#include <net/ieee802154/netdevice.h>
+
+#include <asm/ioctls.h>
+
+#include "af802154.h"
+
+static HLIST_HEAD(dgram_head);
+static DEFINE_RWLOCK(dgram_lock);
+
+struct dgram_sock {
+        struct sock sk;
+
+        int bound;
+        struct ieee802154_addr src_addr;
+        struct ieee802154_addr dst_addr;
+};
+
+static inline struct dgram_sock *dgram_sk(const struct sock *sk)
+{
+        return container_of(sk, struct dgram_sock, sk);
+}
+
+
+static void dgram_hash(struct sock *sk)
+{
+        write_lock_bh(&dgram_lock);
+        sk_add_node(sk, &dgram_head);
+        sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+        write_unlock_bh(&dgram_lock);
+}
+
+static void dgram_unhash(struct sock *sk)
+{
+        write_lock_bh(&dgram_lock);
+        if (sk_del_node_init(sk))
+                sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
+        write_unlock_bh(&dgram_lock);
+}
+
+static int dgram_init(struct sock *sk)
+{
+        struct dgram_sock *ro = dgram_sk(sk);
+
+        ro->dst_addr.addr_type = IEEE802154_ADDR_LONG;
+        ro->dst_addr.pan_id = 0xffff;
+        memset(&ro->dst_addr.hwaddr, 0xff, sizeof(ro->dst_addr.hwaddr));
+        return 0;
+}
+
+static void dgram_close(struct sock *sk, long timeout)
+{
+        sk_common_release(sk);
+}
+
+static int dgram_bind(struct sock *sk, struct sockaddr *uaddr, int len)
+{
+        struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
+        struct dgram_sock *ro = dgram_sk(sk);
+        int err = 0;
+        struct net_device *dev;
+
+        ro->bound = 0;
+
+        if (len < sizeof(*addr))
+                return -EINVAL;
+
+        if (addr->family != AF_IEEE802154)
+                return -EINVAL;
+
+        lock_sock(sk);
+
+        dev = ieee802154_get_dev(sock_net(sk), &addr->addr);
+        if (!dev) {
+                err = -ENODEV;
+                goto out;
+        }
+
+        if (dev->type != ARPHRD_IEEE802154) {
+                err = -ENODEV;
+                goto out_put;
+        }
+
+        memcpy(&ro->src_addr, &addr->addr, sizeof(struct ieee802154_addr));
+
+        ro->bound = 1;
+out_put:
+        dev_put(dev);
+out:
+        release_sock(sk);
+
+        return err;
+}
+
+static int dgram_ioctl(struct sock *sk, int cmd, unsigned long arg)
+{
+        switch (cmd) {
+        case SIOCOUTQ:
+        {
+                int amount = atomic_read(&sk->sk_wmem_alloc);
+                return put_user(amount, (int __user *)arg);
+        }
+
+        case SIOCINQ:
+        {
+                struct sk_buff *skb;
+                unsigned long amount;
+
+                amount = 0;
+                spin_lock_bh(&sk->sk_receive_queue.lock);
+                skb = skb_peek(&sk->sk_receive_queue);
+                if (skb != NULL) {
+                        /*
+                         * We will only return the amount
+                         * of this packet since that is all
+                         * that will be read.
+                         */
+                        /* FIXME: parse the header for more correct value */
+                        amount = skb->len - (3+8+8);
+                }
+                spin_unlock_bh(&sk->sk_receive_queue.lock);
+                return put_user(amount, (int __user *)arg);
+        }
+
+        }
+        return -ENOIOCTLCMD;
+}
+
+/* FIXME: autobind */
+static int dgram_connect(struct sock *sk, struct sockaddr *uaddr,
+                        int len)
+{
+        struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
+        struct dgram_sock *ro = dgram_sk(sk);
+        int err = 0;
+
+        if (len < sizeof(*addr))
+                return -EINVAL;
+
+        if (addr->family != AF_IEEE802154)
+                return -EINVAL;
+
+        lock_sock(sk);
+
+        if (!ro->bound) {
+                err = -ENETUNREACH;
+                goto out;
+        }
+
+        memcpy(&ro->dst_addr, &addr->addr, sizeof(struct ieee802154_addr));
+
+out:
+        release_sock(sk);
+        return err;
+}
+
+static int dgram_disconnect(struct sock *sk, int flags)
+{
+        struct dgram_sock *ro = dgram_sk(sk);
+
+        lock_sock(sk);
+
+        ro->dst_addr.addr_type = IEEE802154_ADDR_LONG;
+        memset(&ro->dst_addr.hwaddr, 0xff, sizeof(ro->dst_addr.hwaddr));
+
+        release_sock(sk);
+
+        return 0;
+}
+
+static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk,
+                struct msghdr *msg, size_t size)
+{
+        struct net_device *dev;
+        unsigned mtu;
+        struct sk_buff *skb;
+        struct dgram_sock *ro = dgram_sk(sk);
+        int err;
+
+        if (msg->msg_flags & MSG_OOB) {
+                pr_debug("msg->msg_flags = 0x%x\n", msg->msg_flags);
+                return -EOPNOTSUPP;
+        }
+
+        if (!ro->bound)
+                dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
+        else
+                dev = ieee802154_get_dev(sock_net(sk), &ro->src_addr);
+
+        if (!dev) {
+                pr_debug("no dev\n");
+                err = -ENXIO;
+                goto out;
+        }
+        mtu = dev->mtu;
+        pr_debug("name = %s, mtu = %u\n", dev->name, mtu);
+
+        skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + size,
+                        msg->msg_flags & MSG_DONTWAIT,
+                        &err);
+        if (!skb)
+                goto out_dev;
+
+        skb_reserve(skb, LL_RESERVED_SPACE(dev));
+
+        skb_reset_network_header(skb);
+
+        mac_cb(skb)->flags = IEEE802154_FC_TYPE_DATA | MAC_CB_FLAG_ACKREQ;
+        mac_cb(skb)->seq = ieee802154_mlme_ops(dev)->get_dsn(dev);
+        err = dev_hard_header(skb, dev, ETH_P_IEEE802154, &ro->dst_addr,
+                        ro->bound ? &ro->src_addr : NULL, size);
+        if (err < 0)
+                goto out_skb;
+
+        skb_reset_mac_header(skb);
+
+        err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
+        if (err < 0)
+                goto out_skb;
+
+        if (size > mtu) {
+                pr_debug("size = %Zu, mtu = %u\n", size, mtu);
+                err = -EINVAL;
+                goto out_skb;
+        }
+
+        skb->dev = dev;
+        skb->sk  = sk;
+        skb->protocol = htons(ETH_P_IEEE802154);
+
+        dev_put(dev);
+
+        err = dev_queue_xmit(skb);
+        if (err > 0)
+                err = net_xmit_errno(err);
+
+        return err ?: size;
+
+out_skb:
+        kfree_skb(skb);
+out_dev:
+        dev_put(dev);
+out:
+        return err;
+}
+
+static int dgram_recvmsg(struct kiocb *iocb, struct sock *sk,
+                struct msghdr *msg, size_t len, int noblock, int flags,
+                int *addr_len)
+{
+        size_t copied = 0;
+        int err = -EOPNOTSUPP;
+        struct sk_buff *skb;
+
+        skb = skb_recv_datagram(sk, flags, noblock, &err);
+        if (!skb)
+                goto out;
+
+        copied = skb->len;
+        if (len < copied) {
+                msg->msg_flags |= MSG_TRUNC;
+                copied = len;
+        }
+
+        /* FIXME: skip headers if necessary ?! */
+        err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+        if (err)
+                goto done;
+
+        sock_recv_timestamp(msg, sk, skb);
+
+        if (flags & MSG_TRUNC)
+                copied = skb->len;
+done:
+        skb_free_datagram(sk, skb);
+out:
+        if (err)
+                return err;
+        return copied;
+}
+
+static int dgram_rcv_skb(struct sock *sk, struct sk_buff *skb)
+{
+        if (sock_queue_rcv_skb(sk, skb) < 0) {
+                atomic_inc(&sk->sk_drops);
+                kfree_skb(skb);
+                return NET_RX_DROP;
+        }
+
+        return NET_RX_SUCCESS;
+}
+
+static inline int ieee802154_match_sock(u8 *hw_addr, u16 pan_id,
+                u16 short_addr, struct dgram_sock *ro)
+{
+        if (!ro->bound)
+                return 1;
+
+        if (ro->src_addr.addr_type == IEEE802154_ADDR_LONG &&
+            !memcmp(ro->src_addr.hwaddr, hw_addr, IEEE802154_ADDR_LEN))
+                return 1;
+
+        if (ro->src_addr.addr_type == IEEE802154_ADDR_SHORT &&
+                     pan_id == ro->src_addr.pan_id &&
+                     short_addr == ro->src_addr.short_addr)
+                return 1;
+
+        return 0;
+}
+
+int ieee802154_dgram_deliver(struct net_device *dev, struct sk_buff *skb)
+{
+        struct sock *sk, *prev = NULL;
+        struct hlist_node *node;
+        int ret = NET_RX_SUCCESS;
+        u16 pan_id, short_addr;
+
+        /* Data frame processing */
+        BUG_ON(dev->type != ARPHRD_IEEE802154);
+
+        pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+        short_addr = ieee802154_mlme_ops(dev)->get_short_addr(dev);
+
+        read_lock(&dgram_lock);
+        sk_for_each(sk, node, &dgram_head) {
+                if (ieee802154_match_sock(dev->dev_addr, pan_id, short_addr,
+                                        dgram_sk(sk))) {
+                        if (prev) {
+                                struct sk_buff *clone;
+                                clone = skb_clone(skb, GFP_ATOMIC);
+                                if (clone)
+                                        dgram_rcv_skb(prev, clone);
+                        }
+
+                        prev = sk;
+                }
+        }
+
+        if (prev)
+                dgram_rcv_skb(prev, skb);
+        else {
+                kfree_skb(skb);
+                ret = NET_RX_DROP;
+        }
+        read_unlock(&dgram_lock);
+
+        return ret;
+}
+
+struct proto ieee802154_dgram_prot = {
+        .name           = "IEEE-802.15.4-MAC",
+        .owner          = THIS_MODULE,
+        .obj_size       = sizeof(struct dgram_sock),
+        .init           = dgram_init,
+        .close          = dgram_close,
+        .bind           = dgram_bind,
+        .sendmsg        = dgram_sendmsg,
+        .recvmsg        = dgram_recvmsg,
+        .hash           = dgram_hash,
+        .unhash         = dgram_unhash,
+        .connect        = dgram_connect,
+        .disconnect     = dgram_disconnect,
+        .ioctl          = dgram_ioctl,
+};
+
diff --git a/net/ieee802154/netlink.c b/net/ieee802154/netlink.c
new file mode 100644
index 000000000000..105ad10876af
--- /dev/null
+++ b/net/ieee802154/netlink.c
@@ -0,0 +1,523 @@
+/*
+ * Netlink inteface for IEEE 802.15.4 stack
+ *
+ * Copyright 2007, 2008 Siemens AG
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/if_arp.h>
+#include <linux/netdevice.h>
+#include <net/netlink.h>
+#include <net/genetlink.h>
+#include <linux/nl802154.h>
+#include <net/ieee802154/af_ieee802154.h>
+#include <net/ieee802154/nl802154.h>
+#include <net/ieee802154/netdevice.h>
+
+static unsigned int ieee802154_seq_num;
+
+static struct genl_family ieee802154_coordinator_family = {
+        .id             = GENL_ID_GENERATE,
+        .hdrsize        = 0,
+        .name           = IEEE802154_NL_NAME,
+        .version        = 1,
+        .maxattr        = IEEE802154_ATTR_MAX,
+};
+
+static struct genl_multicast_group ieee802154_coord_mcgrp = {
+        .name           = IEEE802154_MCAST_COORD_NAME,
+};
+
+static struct genl_multicast_group ieee802154_beacon_mcgrp = {
+        .name           = IEEE802154_MCAST_BEACON_NAME,
+};
+
+/* Requests to userspace */
+static struct sk_buff *ieee802154_nl_create(int flags, u8 req)
+{
+        void *hdr;
+        struct sk_buff *msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
+
+        if (!msg)
+                return NULL;
+
+        hdr = genlmsg_put(msg, 0, ieee802154_seq_num++,
+                        &ieee802154_coordinator_family, flags, req);
+        if (!hdr) {
+                nlmsg_free(msg);
+                return NULL;
+        }
+
+        return msg;
+}
+
+static int ieee802154_nl_finish(struct sk_buff *msg)
+{
+        /* XXX: nlh is right at the start of msg */
+        void *hdr = genlmsg_data(NLMSG_DATA(msg->data));
+
+        if (!genlmsg_end(msg, hdr))
+                goto out;
+
+        return genlmsg_multicast(msg, 0, ieee802154_coord_mcgrp.id,
+                        GFP_ATOMIC);
+out:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+
+int ieee802154_nl_assoc_indic(struct net_device *dev,
+                struct ieee802154_addr *addr, u8 cap)
+{
+        struct sk_buff *msg;
+
+        pr_debug("%s\n", __func__);
+
+        if (addr->addr_type != IEEE802154_ADDR_LONG) {
+                pr_err("%s: received non-long source address!\n", __func__);
+                return -EINVAL;
+        }
+
+        msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_INDIC);
+        if (!msg)
+                return -ENOBUFS;
+
+        NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+        NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+        NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                        dev->dev_addr);
+
+        NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
+                        addr->hwaddr);
+
+        NLA_PUT_U8(msg, IEEE802154_ATTR_CAPABILITY, cap);
+
+        return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_assoc_indic);
+
+int ieee802154_nl_assoc_confirm(struct net_device *dev, u16 short_addr,
+                u8 status)
+{
+        struct sk_buff *msg;
+
+        pr_debug("%s\n", __func__);
+
+        msg = ieee802154_nl_create(0, IEEE802154_ASSOCIATE_CONF);
+        if (!msg)
+                return -ENOBUFS;
+
+        NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+        NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+        NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                        dev->dev_addr);
+
+        NLA_PUT_U16(msg, IEEE802154_ATTR_SHORT_ADDR, short_addr);
+        NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+
+        return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_assoc_confirm);
+
+int ieee802154_nl_disassoc_indic(struct net_device *dev,
+                struct ieee802154_addr *addr, u8 reason)
+{
+        struct sk_buff *msg;
+
+        pr_debug("%s\n", __func__);
+
+        msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_INDIC);
+        if (!msg)
+                return -ENOBUFS;
+
+        NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+        NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+        NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                        dev->dev_addr);
+
+        if (addr->addr_type == IEEE802154_ADDR_LONG)
+                NLA_PUT(msg, IEEE802154_ATTR_SRC_HW_ADDR, IEEE802154_ADDR_LEN,
+                                addr->hwaddr);
+        else
+                NLA_PUT_U16(msg, IEEE802154_ATTR_SRC_SHORT_ADDR,
+                                addr->short_addr);
+
+        NLA_PUT_U8(msg, IEEE802154_ATTR_REASON, reason);
+
+        return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_disassoc_indic);
+
+int ieee802154_nl_disassoc_confirm(struct net_device *dev, u8 status)
+{
+        struct sk_buff *msg;
+
+        pr_debug("%s\n", __func__);
+
+        msg = ieee802154_nl_create(0, IEEE802154_DISASSOCIATE_CONF);
+        if (!msg)
+                return -ENOBUFS;
+
+        NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+        NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+        NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                        dev->dev_addr);
+
+        NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+
+        return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_disassoc_confirm);
+
+int ieee802154_nl_beacon_indic(struct net_device *dev,
+                u16 panid, u16 coord_addr)
+{
+        struct sk_buff *msg;
+
+        pr_debug("%s\n", __func__);
+
+        msg = ieee802154_nl_create(0, IEEE802154_BEACON_NOTIFY_INDIC);
+        if (!msg)
+                return -ENOBUFS;
+
+        NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+        NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+        NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                        dev->dev_addr);
+        NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_SHORT_ADDR, coord_addr);
+        NLA_PUT_U16(msg, IEEE802154_ATTR_COORD_PAN_ID, panid);
+
+        return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_beacon_indic);
+
+int ieee802154_nl_scan_confirm(struct net_device *dev,
+                u8 status, u8 scan_type, u32 unscanned,
+                u8 *edl/* , struct list_head *pan_desc_list */)
+{
+        struct sk_buff *msg;
+
+        pr_debug("%s\n", __func__);
+
+        msg = ieee802154_nl_create(0, IEEE802154_SCAN_CONF);
+        if (!msg)
+                return -ENOBUFS;
+
+        NLA_PUT_STRING(msg, IEEE802154_ATTR_DEV_NAME, dev->name);
+        NLA_PUT_U32(msg, IEEE802154_ATTR_DEV_INDEX, dev->ifindex);
+        NLA_PUT(msg, IEEE802154_ATTR_HW_ADDR, IEEE802154_ADDR_LEN,
+                        dev->dev_addr);
+
+        NLA_PUT_U8(msg, IEEE802154_ATTR_STATUS, status);
+        NLA_PUT_U8(msg, IEEE802154_ATTR_SCAN_TYPE, scan_type);
+        NLA_PUT_U32(msg, IEEE802154_ATTR_CHANNELS, unscanned);
+
+        if (edl)
+                NLA_PUT(msg, IEEE802154_ATTR_ED_LIST, 27, edl);
+
+        return ieee802154_nl_finish(msg);
+
+nla_put_failure:
+        nlmsg_free(msg);
+        return -ENOBUFS;
+}
+EXPORT_SYMBOL(ieee802154_nl_scan_confirm);
+
+/* Requests from userspace */
+static struct net_device *ieee802154_nl_get_dev(struct genl_info *info)
+{
+        struct net_device *dev;
+
+        if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
+                char name[IFNAMSIZ + 1];
+                nla_strlcpy(name, info->attrs[IEEE802154_ATTR_DEV_NAME],
+                                sizeof(name));
+                dev = dev_get_by_name(&init_net, name);
+        } else if (info->attrs[IEEE802154_ATTR_DEV_INDEX])
+                dev = dev_get_by_index(&init_net,
+                                nla_get_u32(info->attrs[IEEE802154_ATTR_DEV_INDEX]));
+        else
+                return NULL;
+
+        if (dev->type != ARPHRD_IEEE802154) {
+                dev_put(dev);
+                return NULL;
+        }
+
+        return dev;
+}
+
+static int ieee802154_associate_req(struct sk_buff *skb,
+                struct genl_info *info)
+{
+        struct net_device *dev;
+        struct ieee802154_addr addr;
+        int ret = -EINVAL;
+
+        if (!info->attrs[IEEE802154_ATTR_CHANNEL] ||
+            !info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
+            (!info->attrs[IEEE802154_ATTR_COORD_HW_ADDR] &&
+                !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]) ||
+            !info->attrs[IEEE802154_ATTR_CAPABILITY])
+                return -EINVAL;
+
+        dev = ieee802154_nl_get_dev(info);
+        if (!dev)
+                return -ENODEV;
+
+        if (info->attrs[IEEE802154_ATTR_COORD_HW_ADDR]) {
+                addr.addr_type = IEEE802154_ADDR_LONG;
+                nla_memcpy(addr.hwaddr,
+                                info->attrs[IEEE802154_ATTR_COORD_HW_ADDR],
+                                IEEE802154_ADDR_LEN);
+        } else {
+                addr.addr_type = IEEE802154_ADDR_SHORT;
+                addr.short_addr = nla_get_u16(
+                                info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
+        }
+        addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+
+        ret = ieee802154_mlme_ops(dev)->assoc_req(dev, &addr,
+                        nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]),
+                        nla_get_u8(info->attrs[IEEE802154_ATTR_CAPABILITY]));
+
+        dev_put(dev);
+        return ret;
+}
+
+static int ieee802154_associate_resp(struct sk_buff *skb,
+                struct genl_info *info)
+{
+        struct net_device *dev;
+        struct ieee802154_addr addr;
+        int ret = -EINVAL;
+
+        if (!info->attrs[IEEE802154_ATTR_STATUS] ||
+            !info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] ||
+            !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR])
+                return -EINVAL;
+
+        dev = ieee802154_nl_get_dev(info);
+        if (!dev)
+                return -ENODEV;
+
+        addr.addr_type = IEEE802154_ADDR_LONG;
+        nla_memcpy(addr.hwaddr, info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
+                        IEEE802154_ADDR_LEN);
+        addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+
+
+        ret = ieee802154_mlme_ops(dev)->assoc_resp(dev, &addr,
+                nla_get_u16(info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]),
+                nla_get_u8(info->attrs[IEEE802154_ATTR_STATUS]));
+
+        dev_put(dev);
+        return ret;
+}
+
+static int ieee802154_disassociate_req(struct sk_buff *skb,
+                struct genl_info *info)
+{
+        struct net_device *dev;
+        struct ieee802154_addr addr;
+        int ret = -EINVAL;
+
+        if ((!info->attrs[IEEE802154_ATTR_DEST_HW_ADDR] &&
+                !info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]) ||
+            !info->attrs[IEEE802154_ATTR_REASON])
+                return -EINVAL;
+
+        dev = ieee802154_nl_get_dev(info);
+        if (!dev)
+                return -ENODEV;
+
+        if (info->attrs[IEEE802154_ATTR_DEST_HW_ADDR]) {
+                addr.addr_type = IEEE802154_ADDR_LONG;
+                nla_memcpy(addr.hwaddr,
+                                info->attrs[IEEE802154_ATTR_DEST_HW_ADDR],
+                                IEEE802154_ADDR_LEN);
+        } else {
+                addr.addr_type = IEEE802154_ADDR_SHORT;
+                addr.short_addr = nla_get_u16(
+                                info->attrs[IEEE802154_ATTR_DEST_SHORT_ADDR]);
+        }
+        addr.pan_id = ieee802154_mlme_ops(dev)->get_pan_id(dev);
+
+        ret = ieee802154_mlme_ops(dev)->disassoc_req(dev, &addr,
+                        nla_get_u8(info->attrs[IEEE802154_ATTR_REASON]));
+
+        dev_put(dev);
+        return ret;
+}
+
+/*
+ * PANid, channel, beacon_order = 15, superframe_order = 15,
+ * PAN_coordinator, battery_life_extension = 0,
+ * coord_realignment = 0, security_enable = 0
+*/
+static int ieee802154_start_req(struct sk_buff *skb, struct genl_info *info)
+{
+        struct net_device *dev;
+        struct ieee802154_addr addr;
+
+        u8 channel, bcn_ord, sf_ord;
+        int pan_coord, blx, coord_realign;
+        int ret;
+
+        if (!info->attrs[IEEE802154_ATTR_COORD_PAN_ID] ||
+            !info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR] ||
+            !info->attrs[IEEE802154_ATTR_CHANNEL] ||
+            !info->attrs[IEEE802154_ATTR_BCN_ORD] ||
+            !info->attrs[IEEE802154_ATTR_SF_ORD] ||
+            !info->attrs[IEEE802154_ATTR_PAN_COORD] ||
+            !info->attrs[IEEE802154_ATTR_BAT_EXT] ||
+            !info->attrs[IEEE802154_ATTR_COORD_REALIGN]
+         )
+                return -EINVAL;
+
+        dev = ieee802154_nl_get_dev(info);
+        if (!dev)
+                return -ENODEV;
+
+        addr.addr_type = IEEE802154_ADDR_SHORT;
+        addr.short_addr = nla_get_u16(
+                        info->attrs[IEEE802154_ATTR_COORD_SHORT_ADDR]);
+        addr.pan_id = nla_get_u16(info->attrs[IEEE802154_ATTR_COORD_PAN_ID]);
+
+        channel = nla_get_u8(info->attrs[IEEE802154_ATTR_CHANNEL]);
+        bcn_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_BCN_ORD]);
+        sf_ord = nla_get_u8(info->attrs[IEEE802154_ATTR_SF_ORD]);
+        pan_coord = nla_get_u8(info->attrs[IEEE802154_ATTR_PAN_COORD]);
+        blx = nla_get_u8(info->attrs[IEEE802154_ATTR_BAT_EXT]);
+        coord_realign = nla_get_u8(info->attrs[IEEE802154_ATTR_COORD_REALIGN]);
+
+        ret = ieee802154_mlme_ops(dev)->start_req(dev, &addr, channel,
+                bcn_ord, sf_ord, pan_coord, blx, coord_realign);
+
+        dev_put(dev);
+        return ret;
+}
+
+static int ieee802154_scan_req(struct sk_buff *skb, struct genl_info *info)
+{
+        struct net_device *dev;
+        int ret;
+        u8 type;
+        u32 channels;
+        u8 duration;
+
+        if (!info->attrs[IEEE802154_ATTR_SCAN_TYPE] ||
+            !info->attrs[IEEE802154_ATTR_CHANNELS] ||
+            !info->attrs[IEEE802154_ATTR_DURATION])
+                return -EINVAL;
+
+        dev = ieee802154_nl_get_dev(info);
+        if (!dev)
+                return -ENODEV;
+
+        type = nla_get_u8(info->attrs[IEEE802154_ATTR_SCAN_TYPE]);
+        channels = nla_get_u32(info->attrs[IEEE802154_ATTR_CHANNELS]);
+        duration = nla_get_u8(info->attrs[IEEE802154_ATTR_DURATION]);
+
+        ret = ieee802154_mlme_ops(dev)->scan_req(dev, type, channels,
+                        duration);
+
+        dev_put(dev);
+        return ret;
+}
+
+#define IEEE802154_OP(_cmd, _func)                      \
+        {                                               \
+                .cmd    = _cmd,                         \
+                .policy = ieee802154_policy,            \
+                .doit   = _func,                        \
+                .dumpit = NULL,                         \
+                .flags  = GENL_ADMIN_PERM,              \
+        }
+
+static struct genl_ops ieee802154_coordinator_ops[] = {
+        IEEE802154_OP(IEEE802154_ASSOCIATE_REQ, ieee802154_associate_req),
+        IEEE802154_OP(IEEE802154_ASSOCIATE_RESP, ieee802154_associate_resp),
+        IEEE802154_OP(IEEE802154_DISASSOCIATE_REQ, ieee802154_disassociate_req),
+        IEEE802154_OP(IEEE802154_SCAN_REQ, ieee802154_scan_req),
+        IEEE802154_OP(IEEE802154_START_REQ, ieee802154_start_req),
+};
+
+static int __init ieee802154_nl_init(void)
+{
+        int rc;
+        int i;
+
+        rc = genl_register_family(&ieee802154_coordinator_family);
+        if (rc)
+                goto fail;
+
+        rc = genl_register_mc_group(&ieee802154_coordinator_family,
+                        &ieee802154_coord_mcgrp);
+        if (rc)
+                goto fail;
+
+        rc = genl_register_mc_group(&ieee802154_coordinator_family,
+                        &ieee802154_beacon_mcgrp);
+        if (rc)
+                goto fail;
+
+
+        for (i = 0; i < ARRAY_SIZE(ieee802154_coordinator_ops); i++) {
+                rc = genl_register_ops(&ieee802154_coordinator_family,
+                                &ieee802154_coordinator_ops[i]);
+                if (rc)
+                        goto fail;
+        }
+
+        return 0;
+
+fail:
+        genl_unregister_family(&ieee802154_coordinator_family);
+        return rc;
+}
+module_init(ieee802154_nl_init);
+
+static void __exit ieee802154_nl_exit(void)
+{
+        genl_unregister_family(&ieee802154_coordinator_family);
+}
+module_exit(ieee802154_nl_exit);
+
diff --git a/net/ieee802154/nl_policy.c b/net/ieee802154/nl_policy.c
new file mode 100644
index 000000000000..c7d71d1adcac
--- /dev/null
+++ b/net/ieee802154/nl_policy.c
@@ -0,0 +1,52 @@
+/*
+ * nl802154.h
+ *
+ * Copyright (C) 2007, 2008 Siemens AG
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <net/netlink.h>
+#include <linux/nl802154.h>
+
+#define NLA_HW_ADDR NLA_U64
+
+struct nla_policy ieee802154_policy[IEEE802154_ATTR_MAX + 1] = {
+        [IEEE802154_ATTR_DEV_NAME] = { .type = NLA_STRING, },
+        [IEEE802154_ATTR_DEV_INDEX] = { .type = NLA_U32, },
+
+        [IEEE802154_ATTR_STATUS] = { .type = NLA_U8, },
+        [IEEE802154_ATTR_SHORT_ADDR] = { .type = NLA_U16, },
+        [IEEE802154_ATTR_HW_ADDR] = { .type = NLA_HW_ADDR, },
+        [IEEE802154_ATTR_PAN_ID] = { .type = NLA_U16, },
+        [IEEE802154_ATTR_CHANNEL] = { .type = NLA_U8, },
+        [IEEE802154_ATTR_COORD_SHORT_ADDR] = { .type = NLA_U16, },
+        [IEEE802154_ATTR_COORD_HW_ADDR] = { .type = NLA_HW_ADDR, },
+        [IEEE802154_ATTR_COORD_PAN_ID] = { .type = NLA_U16, },
+        [IEEE802154_ATTR_SRC_SHORT_ADDR] = { .type = NLA_U16, },
+        [IEEE802154_ATTR_SRC_HW_ADDR] = { .type = NLA_HW_ADDR, },
+        [IEEE802154_ATTR_SRC_PAN_ID] = { .type = NLA_U16, },
+        [IEEE802154_ATTR_DEST_SHORT_ADDR] = { .type = NLA_U16, },
+        [IEEE802154_ATTR_DEST_HW_ADDR] = { .type = NLA_HW_ADDR, },
+        [IEEE802154_ATTR_DEST_PAN_ID] = { .type = NLA_U16, },
+
+        [IEEE802154_ATTR_CAPABILITY] = { .type = NLA_U8, },
+        [IEEE802154_ATTR_REASON] = { .type = NLA_U8, },
+        [IEEE802154_ATTR_SCAN_TYPE] = { .type = NLA_U8, },
+        [IEEE802154_ATTR_CHANNELS] = { .type = NLA_U32, },
+        [IEEE802154_ATTR_DURATION] = { .type = NLA_U8, },
+        [IEEE802154_ATTR_ED_LIST] = { .len = 27 },
+};
diff --git a/net/ieee802154/raw.c b/net/ieee802154/raw.c
new file mode 100644
index 000000000000..fca44d59f97e
--- /dev/null
+++ b/net/ieee802154/raw.c
@@ -0,0 +1,254 @@
+/*
+ * Raw IEEE 802.15.4 sockets
+ *
+ * Copyright 2007, 2008 Siemens AG
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#include <linux/net.h>
+#include <linux/module.h>
+#include <linux/if_arp.h>
+#include <linux/list.h>
+#include <net/sock.h>
+#include <net/ieee802154/af_ieee802154.h>
+
+#include "af802154.h"
+
+static HLIST_HEAD(raw_head);
+static DEFINE_RWLOCK(raw_lock);
+
+static void raw_hash(struct sock *sk)
+{
+        write_lock_bh(&raw_lock);
+        sk_add_node(sk, &raw_head);
+        sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
+        write_unlock_bh(&raw_lock);
+}
+
+static void raw_unhash(struct sock *sk)
+{
+        write_lock_bh(&raw_lock);
+        if (sk_del_node_init(sk))
+                sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
+        write_unlock_bh(&raw_lock);
+}
+
+static void raw_close(struct sock *sk, long timeout)
+{
+        sk_common_release(sk);
+}
+
+static int raw_bind(struct sock *sk, struct sockaddr *uaddr, int len)
+{
+        struct sockaddr_ieee802154 *addr = (struct sockaddr_ieee802154 *)uaddr;
+        int err = 0;
+        struct net_device *dev = NULL;
+
+        if (len < sizeof(*addr))
+                return -EINVAL;
+
+        if (addr->family != AF_IEEE802154)
+                return -EINVAL;
+
+        lock_sock(sk);
+
+        dev = ieee802154_get_dev(sock_net(sk), &addr->addr);
+        if (!dev) {
+                err = -ENODEV;
+                goto out;
+        }
+
+        if (dev->type != ARPHRD_IEEE802154_PHY &&
+            dev->type != ARPHRD_IEEE802154) {
+                err = -ENODEV;
+                goto out_put;
+        }
+
+        sk->sk_bound_dev_if = dev->ifindex;
+        sk_dst_reset(sk);
+
+out_put:
+        dev_put(dev);
+out:
+        release_sock(sk);
+
+        return err;
+}
+
+static int raw_connect(struct sock *sk, struct sockaddr *uaddr,
+                        int addr_len)
+{
+        return -ENOTSUPP;
+}
+
+static int raw_disconnect(struct sock *sk, int flags)
+{
+        return 0;
+}
+
+static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+                       size_t size)
+{
+        struct net_device *dev;
+        unsigned mtu;
+        struct sk_buff *skb;
+        int err;
+
+        if (msg->msg_flags & MSG_OOB) {
+                pr_debug("msg->msg_flags = 0x%x\n", msg->msg_flags);
+                return -EOPNOTSUPP;
+        }
+
+        lock_sock(sk);
+        if (!sk->sk_bound_dev_if)
+                dev = dev_getfirstbyhwtype(sock_net(sk), ARPHRD_IEEE802154);
+        else
+                dev = dev_get_by_index(sock_net(sk), sk->sk_bound_dev_if);
+        release_sock(sk);
+
+        if (!dev) {
+                pr_debug("no dev\n");
+                err = -ENXIO;
+                goto out;
+        }
+
+        mtu = dev->mtu;
+        pr_debug("name = %s, mtu = %u\n", dev->name, mtu);
+
+        if (size > mtu) {
+                pr_debug("size = %Zu, mtu = %u\n", size, mtu);
+                err = -EINVAL;
+                goto out_dev;
+        }
+
+        skb = sock_alloc_send_skb(sk, LL_ALLOCATED_SPACE(dev) + size,
+                        msg->msg_flags & MSG_DONTWAIT, &err);
+        if (!skb)
+                goto out_dev;
+
+        skb_reserve(skb, LL_RESERVED_SPACE(dev));
+
+        skb_reset_mac_header(skb);
+        skb_reset_network_header(skb);
+
+        err = memcpy_fromiovec(skb_put(skb, size), msg->msg_iov, size);
+        if (err < 0)
+                goto out_skb;
+
+        skb->dev = dev;
+        skb->sk  = sk;
+        skb->protocol = htons(ETH_P_IEEE802154);
+
+        dev_put(dev);
+
+        err = dev_queue_xmit(skb);
+        if (err > 0)
+                err = net_xmit_errno(err);
+
+        return err ?: size;
+
+out_skb:
+        kfree_skb(skb);
+out_dev:
+        dev_put(dev);
+out:
+        return err;
+}
+
+static int raw_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+                       size_t len, int noblock, int flags, int *addr_len)
+{
+        size_t copied = 0;
+        int err = -EOPNOTSUPP;
+        struct sk_buff *skb;
+
+        skb = skb_recv_datagram(sk, flags, noblock, &err);
+        if (!skb)
+                goto out;
+
+        copied = skb->len;
+        if (len < copied) {
+                msg->msg_flags |= MSG_TRUNC;
+                copied = len;
+        }
+
+        err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+        if (err)
+                goto done;
+
+        sock_recv_timestamp(msg, sk, skb);
+
+        if (flags & MSG_TRUNC)
+                copied = skb->len;
+done:
+        skb_free_datagram(sk, skb);
+out:
+        if (err)
+                return err;
+        return copied;
+}
+
+static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb)
+{
+        if (sock_queue_rcv_skb(sk, skb) < 0) {
+                atomic_inc(&sk->sk_drops);
+                kfree_skb(skb);
+                return NET_RX_DROP;
+        }
+
+        return NET_RX_SUCCESS;
+}
+
+
+void ieee802154_raw_deliver(struct net_device *dev, struct sk_buff *skb)
+{
+        struct sock *sk;
+        struct hlist_node *node;
+
+        read_lock(&raw_lock);
+        sk_for_each(sk, node, &raw_head) {
+                bh_lock_sock(sk);
+                if (!sk->sk_bound_dev_if ||
+                    sk->sk_bound_dev_if == dev->ifindex) {
+
+                        struct sk_buff *clone;
+
+                        clone = skb_clone(skb, GFP_ATOMIC);
+                        if (clone)
+                                raw_rcv_skb(sk, clone);
+                }
+                bh_unlock_sock(sk);
+        }
+        read_unlock(&raw_lock);
+}
+
+struct proto ieee802154_raw_prot = {
+        .name           = "IEEE-802.15.4-RAW",
+        .owner          = THIS_MODULE,
+        .obj_size       = sizeof(struct sock),
+        .close          = raw_close,
+        .bind           = raw_bind,
+        .sendmsg        = raw_sendmsg,
+        .recvmsg        = raw_recvmsg,
+        .hash           = raw_hash,
+        .unhash         = raw_unhash,
+        .connect        = raw_connect,
+        .disconnect     = raw_disconnect,
+};
+
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 5abee4c97449..566ea6c4321d 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -116,7 +116,6 @@
 #include <linux/mroute.h>
 #endif
 
-extern void ip_mc_drop_socket(struct sock *sk);
 
 /* The inetsw table contains everything that inet_create needs to
  * build a new socket.
@@ -375,6 +374,7 @@ lookup_protocol:
         inet->uc_ttl    = -1;
         inet->mc_loop   = 1;
         inet->mc_ttl    = 1;
+        inet->mc_all    = 1;
         inet->mc_index  = 0;
         inet->mc_list   = NULL;
 
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index f11931c18381..8a3881e28aca 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -468,13 +468,13 @@ int arp_find(unsigned char *haddr, struct sk_buff *skb)
         __be32 paddr;
         struct neighbour *n;
 
-        if (!skb->dst) {
+        if (!skb_dst(skb)) {
                 printk(KERN_DEBUG "arp_find is called with dst==NULL\n");
                 kfree_skb(skb);
                 return 1;
         }
 
-        paddr = skb->rtable->rt_gateway;
+        paddr = skb_rtable(skb)->rt_gateway;
 
         if (arp_set_predefined(inet_addr_type(dev_net(dev), paddr), haddr, paddr, dev))
                 return 0;
@@ -817,7 +817,7 @@ static int arp_process(struct sk_buff *skb)
         if (arp->ar_op == htons(ARPOP_REQUEST) &&
             ip_route_input(skb, tip, sip, 0, dev) == 0) {
 
-                rt = skb->rtable;
+                rt = skb_rtable(skb);
                 addr_type = rt->rt_type;
 
                 if (addr_type == RTN_LOCAL) {
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 3f50807237e0..97c410e84388 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -356,7 +356,7 @@ static void icmp_push_reply(struct icmp_bxm *icmp_param,
 static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb)
 {
         struct ipcm_cookie ipc;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct net *net = dev_net(rt->u.dst.dev);
         struct sock *sk;
         struct inet_sock *inet;
@@ -416,7 +416,7 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
         struct iphdr *iph;
         int room;
         struct icmp_bxm icmp_param;
-        struct rtable *rt = skb_in->rtable;
+        struct rtable *rt = skb_rtable(skb_in);
         struct ipcm_cookie ipc;
         __be32 saddr;
         u8  tos;
@@ -591,13 +591,13 @@ void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info)
                                 goto relookup_failed;
 
                         /* Ugh! */
-                        odst = skb_in->dst;
+                        odst = skb_dst(skb_in);
                         err = ip_route_input(skb_in, fl.fl4_dst, fl.fl4_src,
                                              RT_TOS(tos), rt2->u.dst.dev);
 
                         dst_release(&rt2->u.dst);
-                        rt2 = skb_in->rtable;
-                        skb_in->dst = odst;
+                        rt2 = skb_rtable(skb_in);
+                        skb_dst_set(skb_in, odst);
                 }
 
                 if (err)
@@ -659,7 +659,7 @@ static void icmp_unreach(struct sk_buff *skb)
         u32 info = 0;
         struct net *net;
 
-        net = dev_net(skb->dst->dev);
+        net = dev_net(skb_dst(skb)->dev);
 
         /*
          *      Incomplete header ?
@@ -822,7 +822,7 @@ static void icmp_echo(struct sk_buff *skb)
 {
         struct net *net;
 
-        net = dev_net(skb->dst->dev);
+        net = dev_net(skb_dst(skb)->dev);
         if (!net->ipv4.sysctl_icmp_echo_ignore_all) {
                 struct icmp_bxm icmp_param;
 
@@ -873,7 +873,7 @@ static void icmp_timestamp(struct sk_buff *skb)
 out:
         return;
 out_err:
-        ICMP_INC_STATS_BH(dev_net(skb->dst->dev), ICMP_MIB_INERRORS);
+        ICMP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), ICMP_MIB_INERRORS);
         goto out;
 }
 
@@ -926,7 +926,7 @@ static void icmp_address(struct sk_buff *skb)
 
 static void icmp_address_reply(struct sk_buff *skb)
 {
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct net_device *dev = skb->dev;
         struct in_device *in_dev;
         struct in_ifaddr *ifa;
@@ -970,7 +970,7 @@ static void icmp_discard(struct sk_buff *skb)
 int icmp_rcv(struct sk_buff *skb)
 {
         struct icmphdr *icmph;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct net *net = dev_net(rt->u.dst.dev);
 
         if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) {
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 9eb6219af615..01b4284ed694 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -311,7 +311,7 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, int size)
                 return NULL;
         }
 
-        skb->dst = &rt->u.dst;
+        skb_dst_set(skb, &rt->u.dst);
         skb->dev = dev;
 
         skb_reserve(skb, LL_RESERVED_SPACE(dev));
@@ -659,7 +659,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
                 return -1;
         }
 
-        skb->dst = &rt->u.dst;
+        skb_dst_set(skb, &rt->u.dst);
 
         skb_reserve(skb, LL_RESERVED_SPACE(dev));
 
@@ -948,7 +948,7 @@ int igmp_rcv(struct sk_buff *skb)
         case IGMPV2_HOST_MEMBERSHIP_REPORT:
         case IGMPV3_HOST_MEMBERSHIP_REPORT:
                 /* Is it our report looped back? */
-                if (skb->rtable->fl.iif == 0)
+                if (skb_rtable(skb)->fl.iif == 0)
                         break;
                 /* don't rely on MC router hearing unicast reports */
                 if (skb->pkt_type == PACKET_MULTICAST ||
@@ -2196,7 +2196,7 @@ int ip_mc_sf_allow(struct sock *sk, __be32 loc_addr, __be32 rmt_addr, int dif)
                         break;
         }
         if (!pmc)
-                return 1;
+                return inet->mc_all;
         psl = pmc->sflist;
         if (!psl)
                 return pmc->sfmode == MCAST_EXCLUDE;
diff --git a/net/ipv4/ip_forward.c b/net/ipv4/ip_forward.c
index df3fe50bbf0d..a2991bc8e32e 100644
--- a/net/ipv4/ip_forward.c
+++ b/net/ipv4/ip_forward.c
@@ -42,7 +42,7 @@ static int ip_forward_finish(struct sk_buff *skb)
 {
         struct ip_options * opt = &(IPCB(skb)->opt);
 
-        IP_INC_STATS_BH(dev_net(skb->dst->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
+        IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
 
         if (unlikely(opt->optlen))
                 ip_forward_options(skb);
@@ -81,7 +81,7 @@ int ip_forward(struct sk_buff *skb)
         if (!xfrm4_route_forward(skb))
                 goto drop;
 
-        rt = skb->rtable;
+        rt = skb_rtable(skb);
 
         if (opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
                 goto sr_failed;
@@ -123,7 +123,7 @@ sr_failed:
 
 too_many_hops:
         /* Tell the sender its packet died... */
-        IP_INC_STATS_BH(dev_net(skb->dst->dev), IPSTATS_MIB_INHDRERRORS);
+        IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_INHDRERRORS);
         icmp_send(skb, ICMP_TIME_EXCEEDED, ICMP_EXC_TTL, 0);
 drop:
         kfree_skb(skb);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 7985346653bd..575f9bd51ccd 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -507,7 +507,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
         /* If the first fragment is fragmented itself, we split
          * it to two chunks: the first with data and paged part
          * and the second, holding only fragments. */
-        if (skb_shinfo(head)->frag_list) {
+        if (skb_has_frags(head)) {
                 struct sk_buff *clone;
                 int i, plen = 0;
 
@@ -516,7 +516,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
                 clone->next = head->next;
                 head->next = clone;
                 skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
-                skb_shinfo(head)->frag_list = NULL;
+                skb_frag_list_init(head);
                 for (i=0; i<skb_shinfo(head)->nr_frags; i++)
                         plen += skb_shinfo(head)->frags[i].size;
                 clone->len = clone->data_len = head->data_len - plen;
@@ -573,7 +573,7 @@ int ip_defrag(struct sk_buff *skb, u32 user)
         struct ipq *qp;
         struct net *net;
 
-        net = skb->dev ? dev_net(skb->dev) : dev_net(skb->dst->dev);
+        net = skb->dev ? dev_net(skb->dev) : dev_net(skb_dst(skb)->dev);
         IP_INC_STATS_BH(net, IPSTATS_MIB_REASMREQDS);
 
         /* Start by cleaning up the memory. */
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index e62510d5ea5a..44e2a3d2359a 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -602,7 +602,7 @@ static int ipgre_rcv(struct sk_buff *skb)
 #ifdef CONFIG_NET_IPGRE_BROADCAST
                 if (ipv4_is_multicast(iph->daddr)) {
                         /* Looped back packet, drop it! */
-                        if (skb->rtable->fl.iif == 0)
+                        if (skb_rtable(skb)->fl.iif == 0)
                                 goto drop;
                         stats->multicast++;
                         skb->pkt_type = PACKET_BROADCAST;
@@ -643,8 +643,7 @@ static int ipgre_rcv(struct sk_buff *skb)
                 stats->rx_packets++;
                 stats->rx_bytes += len;
                 skb->dev = tunnel->dev;
-                dst_release(skb->dst);
-                skb->dst = NULL;
+                skb_dst_drop(skb);
                 nf_reset(skb);
 
                 skb_reset_network_header(skb);
@@ -698,13 +697,13 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         if ((dst = tiph->daddr) == 0) {
                 /* NBMA tunnel */
 
-                if (skb->dst == NULL) {
+                if (skb_dst(skb) == NULL) {
                         stats->tx_fifo_errors++;
                         goto tx_error;
                 }
 
                 if (skb->protocol == htons(ETH_P_IP)) {
-                        rt = skb->rtable;
+                        rt = skb_rtable(skb);
                         if ((dst = rt->rt_gateway) == 0)
                                 goto tx_error_icmp;
                 }
@@ -712,7 +711,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
                 else if (skb->protocol == htons(ETH_P_IPV6)) {
                         struct in6_addr *addr6;
                         int addr_type;
-                        struct neighbour *neigh = skb->dst->neighbour;
+                        struct neighbour *neigh = skb_dst(skb)->neighbour;
 
                         if (neigh == NULL)
                                 goto tx_error;
@@ -766,10 +765,10 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         if (df)
                 mtu = dst_mtu(&rt->u.dst) - dev->hard_header_len - tunnel->hlen;
         else
-                mtu = skb->dst ? dst_mtu(skb->dst) : dev->mtu;
+                mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
-        if (skb->dst)
-                skb->dst->ops->update_pmtu(skb->dst, mtu);
+        if (skb_dst(skb))
+                skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
         if (skb->protocol == htons(ETH_P_IP)) {
                 df |= (old_iph->frag_off&htons(IP_DF));
@@ -783,14 +782,14 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         }
 #ifdef CONFIG_IPV6
         else if (skb->protocol == htons(ETH_P_IPV6)) {
-                struct rt6_info *rt6 = (struct rt6_info *)skb->dst;
+                struct rt6_info *rt6 = (struct rt6_info *)skb_dst(skb);
 
-                if (rt6 && mtu < dst_mtu(skb->dst) && mtu >= IPV6_MIN_MTU) {
+                if (rt6 && mtu < dst_mtu(skb_dst(skb)) && mtu >= IPV6_MIN_MTU) {
                         if ((tunnel->parms.iph.daddr &&
                              !ipv4_is_multicast(tunnel->parms.iph.daddr)) ||
                             rt6->rt6i_dst.plen == 128) {
                                 rt6->rt6i_flags |= RTF_MODIFIED;
-                                skb->dst->metrics[RTAX_MTU-1] = mtu;
+                                skb_dst(skb)->metrics[RTAX_MTU-1] = mtu;
                         }
                 }
 
@@ -837,8 +836,8 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
         IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
                               IPSKB_REROUTED);
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /*
          *      Push down and install the IPIP header.
@@ -1238,6 +1237,7 @@ static void ipgre_tunnel_setup(struct net_device *dev)
         dev->iflink             = 0;
         dev->addr_len           = 4;
         dev->features           |= NETIF_F_NETNS_LOCAL;
+        dev->priv_flags         &= ~IFF_XMIT_DST_RELEASE;
 }
 
 static int ipgre_tunnel_init(struct net_device *dev)
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index 40f6206b2aa9..490ce20faf38 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -329,7 +329,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
          *      Initialise the virtual path cache for the packet. It describes
          *      how the packet travels inside Linux networking.
          */
-        if (skb->dst == NULL) {
+        if (skb_dst(skb) == NULL) {
                 int err = ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
                                          skb->dev);
                 if (unlikely(err)) {
@@ -344,9 +344,9 @@ static int ip_rcv_finish(struct sk_buff *skb)
         }
 
 #ifdef CONFIG_NET_CLS_ROUTE
-        if (unlikely(skb->dst->tclassid)) {
+        if (unlikely(skb_dst(skb)->tclassid)) {
                 struct ip_rt_acct *st = per_cpu_ptr(ip_rt_acct, smp_processor_id());
-                u32 idx = skb->dst->tclassid;
+                u32 idx = skb_dst(skb)->tclassid;
                 st[idx&0xFF].o_packets++;
                 st[idx&0xFF].o_bytes += skb->len;
                 st[(idx>>16)&0xFF].i_packets++;
@@ -357,7 +357,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
         if (iph->ihl > 5 && ip_rcv_options(skb))
                 goto drop;
 
-        rt = skb->rtable;
+        rt = skb_rtable(skb);
         if (rt->rt_type == RTN_MULTICAST) {
                 IP_UPD_PO_STATS_BH(dev_net(rt->u.dst.dev), IPSTATS_MIB_INMCAST,
                                 skb->len);
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 2c88da6e7862..94bf105ef3c9 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -102,7 +102,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
         sptr = skb_network_header(skb);
         dptr = dopt->__data;
 
-        daddr = skb->rtable->rt_spec_dst;
+        daddr = skb_rtable(skb)->rt_spec_dst;
 
         if (sopt->rr) {
                 optlen  = sptr[sopt->rr+1];
@@ -143,7 +143,7 @@ int ip_options_echo(struct ip_options * dopt, struct sk_buff * skb)
                                                 __be32 addr;
 
                                                 memcpy(&addr, sptr+soffset-1, 4);
-                                                if (inet_addr_type(dev_net(skb->dst->dev), addr) != RTN_LOCAL) {
+                                                if (inet_addr_type(dev_net(skb_dst(skb)->dev), addr) != RTN_LOCAL) {
                                                         dopt->ts_needtime = 1;
                                                         soffset += 8;
                                                 }
@@ -257,7 +257,7 @@ int ip_options_compile(struct net *net,
         struct rtable *rt = NULL;
 
         if (skb != NULL) {
-                rt = skb->rtable;
+                rt = skb_rtable(skb);
                 optptr = (unsigned char *)&(ip_hdr(skb)[1]);
         } else
                 optptr = opt->__data;
@@ -550,7 +550,7 @@ void ip_forward_options(struct sk_buff *skb)
 {
         struct   ip_options * opt       = &(IPCB(skb)->opt);
         unsigned char * optptr;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         unsigned char *raw = skb_network_header(skb);
 
         if (opt->rr_needaddr) {
@@ -598,7 +598,7 @@ int ip_options_rcv_srr(struct sk_buff *skb)
         __be32 nexthop;
         struct iphdr *iph = ip_hdr(skb);
         unsigned char *optptr = skb_network_header(skb) + opt->srr;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct rtable *rt2;
         int err;
 
@@ -623,13 +623,13 @@ int ip_options_rcv_srr(struct sk_buff *skb)
                 }
                 memcpy(&nexthop, &optptr[srrptr-1], 4);
 
-                rt = skb->rtable;
-                skb->rtable = NULL;
+                rt = skb_rtable(skb);
+                skb_dst_set(skb, NULL);
                 err = ip_route_input(skb, nexthop, iph->saddr, iph->tos, skb->dev);
-                rt2 = skb->rtable;
+                rt2 = skb_rtable(skb);
                 if (err || (rt2->rt_type != RTN_UNICAST && rt2->rt_type != RTN_LOCAL)) {
                         ip_rt_put(rt2);
-                        skb->rtable = rt;
+                        skb_dst_set(skb, &rt->u.dst);
                         return -EINVAL;
                 }
                 ip_rt_put(rt);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index ea19c37ccc0c..247026282669 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -95,7 +95,7 @@ int __ip_local_out(struct sk_buff *skb)
 
         iph->tot_len = htons(skb->len);
         ip_send_check(iph);
-        return nf_hook(PF_INET, NF_INET_LOCAL_OUT, skb, NULL, skb->dst->dev,
+        return nf_hook(PF_INET, NF_INET_LOCAL_OUT, skb, NULL, skb_dst(skb)->dev,
                        dst_output);
 }
 
@@ -118,7 +118,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb)
         __skb_pull(newskb, skb_network_offset(newskb));
         newskb->pkt_type = PACKET_LOOPBACK;
         newskb->ip_summed = CHECKSUM_UNNECESSARY;
-        WARN_ON(!newskb->dst);
+        WARN_ON(!skb_dst(newskb));
         netif_rx(newskb);
         return 0;
 }
@@ -140,7 +140,7 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk,
                           __be32 saddr, __be32 daddr, struct ip_options *opt)
 {
         struct inet_sock *inet = inet_sk(sk);
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct iphdr *iph;
 
         /* Build the IP header. */
@@ -176,7 +176,7 @@ EXPORT_SYMBOL_GPL(ip_build_and_send_pkt);
 
 static inline int ip_finish_output2(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct rtable *rt = (struct rtable *)dst;
         struct net_device *dev = dst->dev;
         unsigned int hh_len = LL_RESERVED_SPACE(dev);
@@ -217,14 +217,14 @@ static inline int ip_skb_dst_mtu(struct sk_buff *skb)
         struct inet_sock *inet = skb->sk ? inet_sk(skb->sk) : NULL;
 
         return (inet && inet->pmtudisc == IP_PMTUDISC_PROBE) ?
-               skb->dst->dev->mtu : dst_mtu(skb->dst);
+               skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb));
 }
 
 static int ip_finish_output(struct sk_buff *skb)
 {
 #if defined(CONFIG_NETFILTER) && defined(CONFIG_XFRM)
         /* Policy lookup after SNAT yielded a new policy */
-        if (skb->dst->xfrm != NULL) {
+        if (skb_dst(skb)->xfrm != NULL) {
                 IPCB(skb)->flags |= IPSKB_REROUTED;
                 return dst_output(skb);
         }
@@ -238,7 +238,7 @@ static int ip_finish_output(struct sk_buff *skb)
 int ip_mc_output(struct sk_buff *skb)
 {
         struct sock *sk = skb->sk;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct net_device *dev = rt->u.dst.dev;
 
         /*
@@ -296,7 +296,7 @@ int ip_mc_output(struct sk_buff *skb)
 
 int ip_output(struct sk_buff *skb)
 {
-        struct net_device *dev = skb->dst->dev;
+        struct net_device *dev = skb_dst(skb)->dev;
 
         IP_UPD_PO_STATS(dev_net(dev), IPSTATS_MIB_OUT, skb->len);
 
@@ -319,7 +319,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
         /* Skip all of this if the packet is already routed,
          * f.e. by something like SCTP.
          */
-        rt = skb->rtable;
+        rt = skb_rtable(skb);
         if (rt != NULL)
                 goto packet_routed;
 
@@ -355,7 +355,7 @@ int ip_queue_xmit(struct sk_buff *skb, int ipfragok)
                 }
                 sk_setup_caps(sk, &rt->u.dst);
         }
-        skb->dst = dst_clone(&rt->u.dst);
+        skb_dst_set(skb, dst_clone(&rt->u.dst));
 
 packet_routed:
         if (opt && opt->is_strictroute && rt->rt_dst != rt->rt_gateway)
@@ -401,8 +401,8 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from)
         to->pkt_type = from->pkt_type;
         to->priority = from->priority;
         to->protocol = from->protocol;
-        dst_release(to->dst);
-        to->dst = dst_clone(from->dst);
+        skb_dst_drop(to);
+        skb_dst_set(to, dst_clone(skb_dst(from)));
         to->dev = from->dev;
         to->mark = from->mark;
 
@@ -440,7 +440,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
         unsigned int mtu, hlen, left, len, ll_rs, pad;
         int offset;
         __be16 not_last_frag;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         int err = 0;
 
         dev = rt->u.dst.dev;
@@ -474,7 +474,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
          * LATER: this step can be merged to real generation of fragments,
          * we can switch to copy when see the first bad fragment.
          */
-        if (skb_shinfo(skb)->frag_list) {
+        if (skb_has_frags(skb)) {
                 struct sk_buff *frag;
                 int first_len = skb_pagelen(skb);
                 int truesizes = 0;
@@ -485,7 +485,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                     skb_cloned(skb))
                         goto slow_path;
 
-                for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
+                skb_walk_frags(skb, frag) {
                         /* Correct geometry. */
                         if (frag->len > mtu ||
                             ((frag->len & 7) && frag->next) ||
@@ -498,7 +498,6 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 
                         BUG_ON(frag->sk);
                         if (skb->sk) {
-                                sock_hold(skb->sk);
                                 frag->sk = skb->sk;
                                 frag->destructor = sock_wfree;
                                 truesizes += frag->truesize;
@@ -510,7 +509,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                 err = 0;
                 offset = 0;
                 frag = skb_shinfo(skb)->frag_list;
-                skb_shinfo(skb)->frag_list = NULL;
+                skb_frag_list_init(skb);
                 skb->data_len = first_len - skb_headlen(skb);
                 skb->truesize -= truesizes;
                 skb->len = first_len;
@@ -1294,7 +1293,7 @@ int ip_push_pending_frames(struct sock *sk)
          * on dst refcount
          */
         inet->cork.dst = NULL;
-        skb->dst = &rt->u.dst;
+        skb_dst_set(skb, &rt->u.dst);
 
         if (iph->protocol == IPPROTO_ICMP)
                 icmp_out_count(net, ((struct icmphdr *)
@@ -1362,7 +1361,7 @@ void ip_send_reply(struct sock *sk, struct sk_buff *skb, struct ip_reply_arg *ar
         } replyopts;
         struct ipcm_cookie ipc;
         __be32 daddr;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
 
         if (ip_options_echo(&replyopts.opt, skb))
                 return;
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 43c05854d752..fc7993e9061f 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -57,7 +57,7 @@
 static void ip_cmsg_recv_pktinfo(struct msghdr *msg, struct sk_buff *skb)
 {
         struct in_pktinfo info;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
 
         info.ipi_addr.s_addr = ip_hdr(skb)->daddr;
         if (rt) {
@@ -157,38 +157,39 @@ void ip_cmsg_recv(struct msghdr *msg, struct sk_buff *skb)
         /* Ordered by supposed usage frequency */
         if (flags & 1)
                 ip_cmsg_recv_pktinfo(msg, skb);
-        if ((flags>>=1) == 0)
+        if ((flags >>= 1) == 0)
                 return;
 
         if (flags & 1)
                 ip_cmsg_recv_ttl(msg, skb);
-        if ((flags>>=1) == 0)
+        if ((flags >>= 1) == 0)
                 return;
 
         if (flags & 1)
                 ip_cmsg_recv_tos(msg, skb);
-        if ((flags>>=1) == 0)
+        if ((flags >>= 1) == 0)
                 return;
 
         if (flags & 1)
                 ip_cmsg_recv_opts(msg, skb);
-        if ((flags>>=1) == 0)
+        if ((flags >>= 1) == 0)
                 return;
 
         if (flags & 1)
                 ip_cmsg_recv_retopts(msg, skb);
-        if ((flags>>=1) == 0)
+        if ((flags >>= 1) == 0)
                 return;
 
         if (flags & 1)
                 ip_cmsg_recv_security(msg, skb);
 
-        if ((flags>>=1) == 0)
+        if ((flags >>= 1) == 0)
                 return;
         if (flags & 1)
                 ip_cmsg_recv_dstaddr(msg, skb);
 
 }
+EXPORT_SYMBOL(ip_cmsg_recv);
 
 int ip_cmsg_send(struct net *net, struct msghdr *msg, struct ipcm_cookie *ipc)
 {
@@ -203,7 +204,8 @@ int ip_cmsg_send(struct net *net, struct msghdr *msg, struct ipcm_cookie *ipc)
                 switch (cmsg->cmsg_type) {
                 case IP_RETOPTS:
                         err = cmsg->cmsg_len - CMSG_ALIGN(sizeof(struct cmsghdr));
-                        err = ip_options_get(net, &ipc->opt, CMSG_DATA(cmsg), err < 40 ? err : 40);
+                        err = ip_options_get(net, &ipc->opt, CMSG_DATA(cmsg),
+                                             err < 40 ? err : 40);
                         if (err)
                                 return err;
                         break;
@@ -238,7 +240,8 @@ int ip_cmsg_send(struct net *net, struct msghdr *msg, struct ipcm_cookie *ipc)
 struct ip_ra_chain *ip_ra_chain;
 DEFINE_RWLOCK(ip_ra_lock);
 
-int ip_ra_control(struct sock *sk, unsigned char on, void (*destructor)(struct sock *))
+int ip_ra_control(struct sock *sk, unsigned char on,
+                  void (*destructor)(struct sock *))
 {
         struct ip_ra_chain *ra, *new_ra, **rap;
 
@@ -248,7 +251,7 @@ int ip_ra_control(struct sock *sk, unsigned char on, void (*destructor)(struct s
         new_ra = on ? kmalloc(sizeof(*new_ra), GFP_KERNEL) : NULL;
 
         write_lock_bh(&ip_ra_lock);
-        for (rap = &ip_ra_chain; (ra=*rap) != NULL; rap = &ra->next) {
+        for (rap = &ip_ra_chain; (ra = *rap) != NULL; rap = &ra->next) {
                 if (ra->sk == sk) {
                         if (on) {
                                 write_unlock_bh(&ip_ra_lock);
@@ -416,7 +419,8 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len)
         /* Reset and regenerate socket error */
         spin_lock_bh(&sk->sk_error_queue.lock);
         sk->sk_err = 0;
-        if ((skb2 = skb_peek(&sk->sk_error_queue)) != NULL) {
+        skb2 = skb_peek(&sk->sk_error_queue);
+        if (skb2 != NULL) {
                 sk->sk_err = SKB_EXT_ERR(skb2)->ee.ee_errno;
                 spin_unlock_bh(&sk->sk_error_queue.lock);
                 sk->sk_error_report(sk);
@@ -431,8 +435,8 @@ out:
 
 
 /*
- *      Socket option code for IP. This is the end of the line after any TCP,UDP etc options on
- *      an IP socket.
+ *      Socket option code for IP. This is the end of the line after any
+ *      TCP,UDP etc options on an IP socket.
  */
 
 static int do_ip_setsockopt(struct sock *sk, int level,
@@ -449,6 +453,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                              (1<<IP_ROUTER_ALERT) | (1<<IP_FREEBIND) |
                              (1<<IP_PASSSEC) | (1<<IP_TRANSPARENT))) ||
             optname == IP_MULTICAST_TTL ||
+            optname == IP_MULTICAST_ALL ||
             optname == IP_MULTICAST_LOOP ||
             optname == IP_RECVORIGDSTADDR) {
                 if (optlen >= sizeof(int)) {
@@ -474,7 +479,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
         switch (optname) {
         case IP_OPTIONS:
         {
-                struct ip_options * opt = NULL;
+                struct ip_options *opt = NULL;
                 if (optlen > 40 || optlen < 0)
                         goto e_inval;
                 err = ip_options_get_from_user(sock_net(sk), &opt,
@@ -556,9 +561,9 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                 }
                 break;
         case IP_TTL:
-                if (optlen<1)
+                if (optlen < 1)
                         goto e_inval;
-                if (val != -1 && (val < 1 || val>255))
+                if (val != -1 && (val < 0 || val > 255))
                         goto e_inval;
                 inet->uc_ttl = val;
                 break;
@@ -570,7 +575,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                 inet->hdrincl = val ? 1 : 0;
                 break;
         case IP_MTU_DISCOVER:
-                if (val<0 || val>3)
+                if (val < 0 || val > 3)
                         goto e_inval;
                 inet->pmtudisc = val;
                 break;
@@ -582,7 +587,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
         case IP_MULTICAST_TTL:
                 if (sk->sk_type == SOCK_STREAM)
                         goto e_inval;
-                if (optlen<1)
+                if (optlen < 1)
                         goto e_inval;
                 if (val == -1)
                         val = 1;
@@ -591,7 +596,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                 inet->mc_ttl = val;
                 break;
         case IP_MULTICAST_LOOP:
-                if (optlen<1)
+                if (optlen < 1)
                         goto e_inval;
                 inet->mc_loop = !!val;
                 break;
@@ -613,7 +618,8 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                 } else {
                         memset(&mreq, 0, sizeof(mreq));
                         if (optlen >= sizeof(struct in_addr) &&
-                            copy_from_user(&mreq.imr_address, optval, sizeof(struct in_addr)))
+                            copy_from_user(&mreq.imr_address, optval,
+                                           sizeof(struct in_addr)))
                                 break;
                 }
 
@@ -677,7 +683,6 @@ static int do_ip_setsockopt(struct sock *sk, int level,
         }
         case IP_MSFILTER:
         {
-                extern int sysctl_igmp_max_msf;
                 struct ip_msfilter *msf;
 
                 if (optlen < IP_MSFILTER_SIZE(0))
@@ -831,7 +836,6 @@ static int do_ip_setsockopt(struct sock *sk, int level,
         }
         case MCAST_MSFILTER:
         {
-                extern int sysctl_igmp_max_msf;
                 struct sockaddr_in *psin;
                 struct ip_msfilter *msf = NULL;
                 struct group_filter *gsf = NULL;
@@ -849,9 +853,9 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                         break;
                 }
                 err = -EFAULT;
-                if (copy_from_user(gsf, optval, optlen)) {
+                if (copy_from_user(gsf, optval, optlen))
                         goto mc_msf_out;
-                }
+
                 /* numsrc >= (4G-140)/128 overflow in 32 bits */
                 if (gsf->gf_numsrc >= 0x1ffffff ||
                     gsf->gf_numsrc > sysctl_igmp_max_msf) {
@@ -879,7 +883,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                 msf->imsf_fmode = gsf->gf_fmode;
                 msf->imsf_numsrc = gsf->gf_numsrc;
                 err = -EADDRNOTAVAIL;
-                for (i=0; i<gsf->gf_numsrc; ++i) {
+                for (i = 0; i < gsf->gf_numsrc; ++i) {
                         psin = (struct sockaddr_in *)&gsf->gf_slist[i];
 
                         if (psin->sin_family != AF_INET)
@@ -890,17 +894,24 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                 gsf = NULL;
 
                 err = ip_mc_msfilter(sk, msf, ifindex);
-        mc_msf_out:
+mc_msf_out:
                 kfree(msf);
                 kfree(gsf);
                 break;
         }
+        case IP_MULTICAST_ALL:
+                if (optlen < 1)
+                        goto e_inval;
+                if (val != 0 && val != 1)
+                        goto e_inval;
+                inet->mc_all = val;
+                break;
         case IP_ROUTER_ALERT:
                 err = ip_ra_control(sk, val ? 1 : 0, NULL);
                 break;
 
         case IP_FREEBIND:
-                if (optlen<1)
+                if (optlen < 1)
                         goto e_inval;
                 inet->freebind = !!val;
                 break;
@@ -957,6 +968,7 @@ int ip_setsockopt(struct sock *sk, int level,
 #endif
         return err;
 }
+EXPORT_SYMBOL(ip_setsockopt);
 
 #ifdef CONFIG_COMPAT
 int compat_ip_setsockopt(struct sock *sk, int level, int optname,
@@ -986,13 +998,12 @@ int compat_ip_setsockopt(struct sock *sk, int level, int optname,
 #endif
         return err;
 }
-
 EXPORT_SYMBOL(compat_ip_setsockopt);
 #endif
 
 /*
- *      Get the options. Note for future reference. The GET of IP options gets the
- *      _received_ ones. The set sets the _sent_ ones.
+ *      Get the options. Note for future reference. The GET of IP options gets
+ *      the _received_ ones. The set sets the _sent_ ones.
  */
 
 static int do_ip_getsockopt(struct sock *sk, int level, int optname,
@@ -1143,10 +1154,14 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
                         return -EFAULT;
                 }
                 err = ip_mc_gsfget(sk, &gsf,
-                                   (struct group_filter __user *)optval, optlen);
+                                   (struct group_filter __user *)optval,
+                                   optlen);
                 release_sock(sk);
                 return err;
         }
+        case IP_MULTICAST_ALL:
+                val = inet->mc_all;
+                break;
         case IP_PKTOPTIONS:
         {
                 struct msghdr msg;
@@ -1187,7 +1202,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname,
         }
         release_sock(sk);
 
-        if (len < sizeof(int) && len > 0 && val>=0 && val<=255) {
+        if (len < sizeof(int) && len > 0 && val >= 0 && val <= 255) {
                 unsigned char ucval = (unsigned char)val;
                 len = 1;
                 if (put_user(len, optlen))
@@ -1230,6 +1245,7 @@ int ip_getsockopt(struct sock *sk, int level,
 #endif
         return err;
 }
+EXPORT_SYMBOL(ip_getsockopt);
 
 #ifdef CONFIG_COMPAT
 int compat_ip_getsockopt(struct sock *sk, int level, int optname,
@@ -1262,11 +1278,5 @@ int compat_ip_getsockopt(struct sock *sk, int level, int optname,
 #endif
         return err;
 }
-
 EXPORT_SYMBOL(compat_ip_getsockopt);
 #endif
-
-EXPORT_SYMBOL(ip_cmsg_recv);
-
-EXPORT_SYMBOL(ip_getsockopt);
-EXPORT_SYMBOL(ip_setsockopt);
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 9054139795af..93e2b787da20 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -370,8 +370,7 @@ static int ipip_rcv(struct sk_buff *skb)
                 tunnel->dev->stats.rx_packets++;
                 tunnel->dev->stats.rx_bytes += skb->len;
                 skb->dev = tunnel->dev;
-                dst_release(skb->dst);
-                skb->dst = NULL;
+                skb_dst_drop(skb);
                 nf_reset(skb);
                 ipip_ecn_decapsulate(iph, skb);
                 netif_rx(skb);
@@ -416,7 +415,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 
         if (!dst) {
                 /* NBMA tunnel */
-                if ((rt = skb->rtable) == NULL) {
+                if ((rt = skb_rtable(skb)) == NULL) {
                         stats->tx_fifo_errors++;
                         goto tx_error;
                 }
@@ -447,15 +446,15 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         if (tiph->frag_off)
                 mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
         else
-                mtu = skb->dst ? dst_mtu(skb->dst) : dev->mtu;
+                mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
         if (mtu < 68) {
                 stats->collisions++;
                 ip_rt_put(rt);
                 goto tx_error;
         }
-        if (skb->dst)
-                skb->dst->ops->update_pmtu(skb->dst, mtu);
+        if (skb_dst(skb))
+                skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
         df |= (old_iph->frag_off&htons(IP_DF));
 
@@ -502,8 +501,8 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
         IPCB(skb)->flags &= ~(IPSKB_XFRM_TUNNEL_SIZE | IPSKB_XFRM_TRANSFORMED |
                               IPSKB_REROUTED);
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /*
          *      Push down and install the IPIP header.
@@ -713,6 +712,7 @@ static void ipip_tunnel_setup(struct net_device *dev)
         dev->iflink             = 0;
         dev->addr_len           = 4;
         dev->features           |= NETIF_F_NETNS_LOCAL;
+        dev->priv_flags         &= ~IFF_XMIT_DST_RELEASE;
 }
 
 static void ipip_tunnel_init(struct net_device *dev)
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 13e9dd3012b3..ffd986104468 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -651,7 +651,7 @@ static int ipmr_cache_report(struct net *net,
         ip_hdr(skb)->protocol = 0;                      /* Flag to the kernel this is a route add */
         msg = (struct igmpmsg *)skb_network_header(skb);
         msg->im_vif = vifi;
-        skb->dst = dst_clone(pkt->dst);
+        skb_dst_set(skb, dst_clone(skb_dst(pkt)));
 
         /*
          *      Add our header
@@ -1201,7 +1201,7 @@ static void ip_encap(struct sk_buff *skb, __be32 saddr, __be32 daddr)
         iph->protocol   =       IPPROTO_IPIP;
         iph->ihl        =       5;
         iph->tot_len    =       htons(skb->len);
-        ip_select_ident(iph, skb->dst, NULL);
+        ip_select_ident(iph, skb_dst(skb), NULL);
         ip_send_check(iph);
 
         memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
@@ -1212,7 +1212,7 @@ static inline int ipmr_forward_finish(struct sk_buff *skb)
 {
         struct ip_options * opt = &(IPCB(skb)->opt);
 
-        IP_INC_STATS_BH(dev_net(skb->dst->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
+        IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
 
         if (unlikely(opt->optlen))
                 ip_forward_options(skb);
@@ -1290,8 +1290,8 @@ static void ipmr_queue_xmit(struct sk_buff *skb, struct mfc_cache *c, int vifi)
         vif->pkt_out++;
         vif->bytes_out += skb->len;
 
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
         ip_decrease_ttl(ip_hdr(skb));
 
         /* FIXME: forward and output firewalls used to be called here.
@@ -1354,7 +1354,7 @@ static int ip_mr_forward(struct sk_buff *skb, struct mfc_cache *cache, int local
         if (net->ipv4.vif_table[vif].dev != skb->dev) {
                 int true_vifi;
 
-                if (skb->rtable->fl.iif == 0) {
+                if (skb_rtable(skb)->fl.iif == 0) {
                         /* It is our own packet, looped back.
                            Very complicated situation...
 
@@ -1430,7 +1430,7 @@ int ip_mr_input(struct sk_buff *skb)
 {
         struct mfc_cache *cache;
         struct net *net = dev_net(skb->dev);
-        int local = skb->rtable->rt_flags&RTCF_LOCAL;
+        int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL;
 
         /* Packet is looped back after forward, it should not be
            forwarded second time, but still can be delivered locally.
@@ -1543,8 +1543,7 @@ static int __pim_rcv(struct sk_buff *skb, unsigned int pimlen)
         skb->protocol = htons(ETH_P_IP);
         skb->ip_summed = 0;
         skb->pkt_type = PACKET_HOST;
-        dst_release(skb->dst);
-        skb->dst = NULL;
+        skb_dst_drop(skb);
         reg_dev->stats.rx_bytes += skb->len;
         reg_dev->stats.rx_packets++;
         nf_reset(skb);
@@ -1646,7 +1645,7 @@ int ipmr_get_route(struct net *net,
 {
         int err;
         struct mfc_cache *cache;
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
 
         read_lock(&mrt_lock);
         cache = ipmr_cache_find(net, rt->rt_src, rt->rt_dst);
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index fdf6811c31a2..1725dc0ef688 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -12,7 +12,7 @@
 /* route_me_harder function, used by iptable_nat, iptable_mangle + ip_queue */
 int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
 {
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
         const struct iphdr *iph = ip_hdr(skb);
         struct rtable *rt;
         struct flowi fl = {};
@@ -41,8 +41,8 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
                         return -1;
 
                 /* Drop old route. */
-                dst_release(skb->dst);
-                skb->dst = &rt->u.dst;
+                skb_dst_drop(skb);
+                skb_dst_set(skb, &rt->u.dst);
         } else {
                 /* non-local src, find valid iif to satisfy
                  * rp-filter when calling ip_route_input. */
@@ -50,7 +50,7 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
                 if (ip_route_output_key(net, &rt, &fl) != 0)
                         return -1;
 
-                odst = skb->dst;
+                odst = skb_dst(skb);
                 if (ip_route_input(skb, iph->daddr, iph->saddr,
                                    RT_TOS(iph->tos), rt->u.dst.dev) != 0) {
                         dst_release(&rt->u.dst);
@@ -60,18 +60,22 @@ int ip_route_me_harder(struct sk_buff *skb, unsigned addr_type)
                 dst_release(odst);
         }
 
-        if (skb->dst->error)
+        if (skb_dst(skb)->error)
                 return -1;
 
 #ifdef CONFIG_XFRM
         if (!(IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) &&
-            xfrm_decode_session(skb, &fl, AF_INET) == 0)
-                if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0))
+            xfrm_decode_session(skb, &fl, AF_INET) == 0) {
+                struct dst_entry *dst = skb_dst(skb);
+                skb_dst_set(skb, NULL);
+                if (xfrm_lookup(net, &dst, &fl, skb->sk, 0))
                         return -1;
+                skb_dst_set(skb, dst);
+        }
 #endif
 
         /* Change in oif may mean change in hh_len. */
-        hh_len = skb->dst->dev->hard_header_len;
+        hh_len = skb_dst(skb)->dev->hard_header_len;
         if (skb_headroom(skb) < hh_len &&
             pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC))
                 return -1;
@@ -92,7 +96,7 @@ int ip_xfrm_me_harder(struct sk_buff *skb)
         if (xfrm_decode_session(skb, &fl, AF_INET) < 0)
                 return -1;
 
-        dst = skb->dst;
+        dst = skb_dst(skb);
         if (dst->xfrm)
                 dst = ((struct xfrm_dst *)dst)->route;
         dst_hold(dst);
@@ -100,11 +104,11 @@ int ip_xfrm_me_harder(struct sk_buff *skb)
         if (xfrm_lookup(dev_net(dst->dev), &dst, &fl, skb->sk, 0) < 0)
                 return -1;
 
-        dst_release(skb->dst);
-        skb->dst = dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, dst);
 
         /* Change in oif may mean change in hh_len. */
-        hh_len = skb->dst->dev->hard_header_len;
+        hh_len = skb_dst(skb)->dev->hard_header_len;
         if (skb_headroom(skb) < hh_len &&
             pskb_expand_head(skb, hh_len - skb_headroom(skb), 0, GFP_ATOMIC))
                 return -1;
diff --git a/net/ipv4/netfilter/ipt_MASQUERADE.c b/net/ipv4/netfilter/ipt_MASQUERADE.c
index 855505d480d2..dada0863946d 100644
--- a/net/ipv4/netfilter/ipt_MASQUERADE.c
+++ b/net/ipv4/netfilter/ipt_MASQUERADE.c
@@ -69,7 +69,7 @@ masquerade_tg(struct sk_buff *skb, const struct xt_target_param *par)
                 return NF_ACCEPT;
 
         mr = par->targinfo;
-        rt = skb->rtable;
+        rt = skb_rtable(skb);
         newsrc = inet_select_addr(par->out, rt->rt_gateway, RT_SCOPE_UNIVERSE);
         if (!newsrc) {
                 printk("MASQUERADE: %s ate my IP address\n", par->out->name);
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 0b4b6e0ff2b9..c93ae44bff2a 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -108,17 +108,16 @@ static void send_reset(struct sk_buff *oldskb, int hook)
                 addr_type = RTN_LOCAL;
 
         /* ip_route_me_harder expects skb->dst to be set */
-        dst_hold(oldskb->dst);
-        nskb->dst = oldskb->dst;
+        skb_dst_set(nskb, dst_clone(skb_dst(oldskb)));
 
         if (ip_route_me_harder(nskb, addr_type))
                 goto free_nskb;
 
-        niph->ttl       = dst_metric(nskb->dst, RTAX_HOPLIMIT);
+        niph->ttl       = dst_metric(skb_dst(nskb), RTAX_HOPLIMIT);
         nskb->ip_summed = CHECKSUM_NONE;
 
         /* "Never happens" */
-        if (nskb->len > dst_mtu(nskb->dst))
+        if (nskb->len > dst_mtu(skb_dst(nskb)))
                 goto free_nskb;
 
         nf_ct_attach(nskb, oldskb);
diff --git a/net/ipv4/netfilter/nf_nat_helper.c b/net/ipv4/netfilter/nf_nat_helper.c
index cf7a42bf9820..155c008626c8 100644
--- a/net/ipv4/netfilter/nf_nat_helper.c
+++ b/net/ipv4/netfilter/nf_nat_helper.c
@@ -140,7 +140,7 @@ nf_nat_mangle_tcp_packet(struct sk_buff *skb,
                          const char *rep_buffer,
                          unsigned int rep_len)
 {
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct iphdr *iph;
         struct tcphdr *tcph;
         int oldlen, datalen;
@@ -218,7 +218,7 @@ nf_nat_mangle_udp_packet(struct sk_buff *skb,
                          const char *rep_buffer,
                          unsigned int rep_len)
 {
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct iphdr *iph;
         struct udphdr *udph;
         int datalen, oldlen;
diff --git a/net/ipv4/netfilter/nf_nat_proto_sctp.c b/net/ipv4/netfilter/nf_nat_proto_sctp.c
index 65e470bc6123..3fc598eeeb1a 100644
--- a/net/ipv4/netfilter/nf_nat_proto_sctp.c
+++ b/net/ipv4/netfilter/nf_nat_proto_sctp.c
@@ -33,6 +33,7 @@ sctp_manip_pkt(struct sk_buff *skb,
                enum nf_nat_manip_type maniptype)
 {
         const struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
+        struct sk_buff *frag;
         sctp_sctphdr_t *hdr;
         unsigned int hdroff = iphdroff + iph->ihl*4;
         __be32 oldip, newip;
@@ -57,8 +58,8 @@ sctp_manip_pkt(struct sk_buff *skb,
         }
 
         crc32 = sctp_start_cksum((u8 *)hdr, skb_headlen(skb) - hdroff);
-        for (skb = skb_shinfo(skb)->frag_list; skb; skb = skb->next)
-                crc32 = sctp_update_cksum((u8 *)skb->data, skb_headlen(skb),
+        skb_walk_frags(skb, frag)
+                crc32 = sctp_update_cksum((u8 *)frag->data, skb_headlen(frag),
                                           crc32);
         crc32 = sctp_end_cksum(crc32);
         hdr->checksum = crc32;
diff --git a/net/ipv4/netfilter/nf_nat_standalone.c b/net/ipv4/netfilter/nf_nat_standalone.c
index b7dd695691a0..5567bd0d0750 100644
--- a/net/ipv4/netfilter/nf_nat_standalone.c
+++ b/net/ipv4/netfilter/nf_nat_standalone.c
@@ -167,10 +167,9 @@ nf_nat_in(unsigned int hooknum,
 
         ret = nf_nat_fn(hooknum, skb, in, out, okfn);
         if (ret != NF_DROP && ret != NF_STOLEN &&
-            daddr != ip_hdr(skb)->daddr) {
-                dst_release(skb->dst);
-                skb->dst = NULL;
-        }
+            daddr != ip_hdr(skb)->daddr)
+                skb_dst_drop(skb);
+
         return ret;
 }
 
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index f774651f0a47..3dc9171a272f 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -343,7 +343,7 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length,
 
         skb->priority = sk->sk_priority;
         skb->mark = sk->sk_mark;
-        skb->dst = dst_clone(&rt->u.dst);
+        skb_dst_set(skb, dst_clone(&rt->u.dst));
 
         skb_reset_network_header(skb);
         iph = ip_hdr(skb);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 28205e5bfa9b..a849bb15d864 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1064,7 +1064,8 @@ work_done:
 out:    return 0;
 }
 
-static int rt_intern_hash(unsigned hash, struct rtable *rt, struct rtable **rp)
+static int rt_intern_hash(unsigned hash, struct rtable *rt,
+                          struct rtable **rp, struct sk_buff *skb)
 {
         struct rtable   *rth, **rthp;
         unsigned long   now;
@@ -1114,7 +1115,10 @@ restart:
                         spin_unlock_bh(rt_hash_lock_addr(hash));
 
                         rt_drop(rt);
-                        *rp = rth;
+                        if (rp)
+                                *rp = rth;
+                        else
+                                skb_dst_set(skb, &rth->u.dst);
                         return 0;
                 }
 
@@ -1210,7 +1214,10 @@ restart:
         rcu_assign_pointer(rt_hash_table[hash].chain, rt);
 
         spin_unlock_bh(rt_hash_lock_addr(hash));
-        *rp = rt;
+        if (rp)
+                *rp = rt;
+        else
+                skb_dst_set(skb, &rt->u.dst);
         return 0;
 }
 
@@ -1407,7 +1414,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
                                                         &netevent);
 
                                 rt_del(hash, rth);
-                                if (!rt_intern_hash(hash, rt, &rt))
+                                if (!rt_intern_hash(hash, rt, &rt, NULL))
                                         ip_rt_put(rt);
                                 goto do_next;
                         }
@@ -1473,7 +1480,7 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
 
 void ip_rt_send_redirect(struct sk_buff *skb)
 {
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct in_device *in_dev = in_dev_get(rt->u.dst.dev);
 
         if (!in_dev)
@@ -1521,7 +1528,7 @@ out:
 
 static int ip_error(struct sk_buff *skb)
 {
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         unsigned long now;
         int code;
 
@@ -1698,7 +1705,7 @@ static void ipv4_link_failure(struct sk_buff *skb)
 
         icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0);
 
-        rt = skb->rtable;
+        rt = skb_rtable(skb);
         if (rt)
                 dst_set_expires(&rt->u.dst, 0);
 }
@@ -1858,7 +1865,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
         in_dev_put(in_dev);
         hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
-        return rt_intern_hash(hash, rth, &skb->rtable);
+        return rt_intern_hash(hash, rth, NULL, skb);
 
 e_nobufs:
         in_dev_put(in_dev);
@@ -2019,7 +2026,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
         /* put it into the cache */
         hash = rt_hash(daddr, saddr, fl->iif,
                        rt_genid(dev_net(rth->u.dst.dev)));
-        return rt_intern_hash(hash, rth, &skb->rtable);
+        return rt_intern_hash(hash, rth, NULL, skb);
 }
 
 /*
@@ -2175,7 +2182,7 @@ local_input:
         }
         rth->rt_type    = res.type;
         hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
-        err = rt_intern_hash(hash, rth, &skb->rtable);
+        err = rt_intern_hash(hash, rth, NULL, skb);
         goto done;
 
 no_route:
@@ -2244,7 +2251,7 @@ int ip_route_input(struct sk_buff *skb, __be32 daddr, __be32 saddr,
                         dst_use(&rth->u.dst, jiffies);
                         RT_CACHE_STAT_INC(in_hit);
                         rcu_read_unlock();
-                        skb->rtable = rth;
+                        skb_dst_set(skb, &rth->u.dst);
                         return 0;
                 }
                 RT_CACHE_STAT_INC(in_hlist_search);
@@ -2420,7 +2427,7 @@ static int ip_mkroute_output(struct rtable **rp,
         if (err == 0) {
                 hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
                                rt_genid(dev_net(dev_out)));
-                err = rt_intern_hash(hash, rth, rp);
+                err = rt_intern_hash(hash, rth, rp, NULL);
         }
 
         return err;
@@ -2763,7 +2770,7 @@ static int rt_fill_info(struct net *net,
                         struct sk_buff *skb, u32 pid, u32 seq, int event,
                         int nowait, unsigned int flags)
 {
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct rtmsg *r;
         struct nlmsghdr *nlh;
         long expires;
@@ -2907,7 +2914,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
                 err = ip_route_input(skb, dst, src, rtm->rtm_tos, dev);
                 local_bh_enable();
 
-                rt = skb->rtable;
+                rt = skb_rtable(skb);
                 if (err == 0 && rt->u.dst.error)
                         err = -rt->u.dst.error;
         } else {
@@ -2927,7 +2934,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
         if (err)
                 goto errout_free;
 
-        skb->rtable = rt;
+        skb_dst_set(skb, &rt->u.dst);
         if (rtm->rtm_flags & RTM_F_NOTIFY)
                 rt->rt_flags |= RTCF_NOTIFY;
 
@@ -2968,15 +2975,15 @@ int ip_rt_dump(struct sk_buff *skb,  struct netlink_callback *cb)
                                 continue;
                         if (rt_is_expired(rt))
                                 continue;
-                        skb->dst = dst_clone(&rt->u.dst);
+                        skb_dst_set(skb, dst_clone(&rt->u.dst));
                         if (rt_fill_info(net, skb, NETLINK_CB(cb->skb).pid,
                                          cb->nlh->nlmsg_seq, RTM_NEWROUTE,
                                          1, NLM_F_MULTI) <= 0) {
-                                dst_release(xchg(&skb->dst, NULL));
+                                skb_dst_drop(skb);
                                 rcu_read_unlock_bh();
                                 goto done;
                         }
-                        dst_release(xchg(&skb->dst, NULL));
+                        skb_dst_drop(skb);
                 }
                 rcu_read_unlock_bh();
         }
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 0fb8b441f1f9..17b89c523f9d 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -439,12 +439,14 @@ int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg)
                          !tp->urg_data ||
                          before(tp->urg_seq, tp->copied_seq) ||
                          !before(tp->urg_seq, tp->rcv_nxt)) {
+                        struct sk_buff *skb;
+
                         answ = tp->rcv_nxt - tp->copied_seq;
 
                         /* Subtract 1, if FIN is in queue. */
-                        if (answ && !skb_queue_empty(&sk->sk_receive_queue))
-                                answ -=
-                       tcp_hdr((struct sk_buff *)sk->sk_receive_queue.prev)->fin;
+                        skb = skb_peek_tail(&sk->sk_receive_queue);
+                        if (answ && skb)
+                                answ -= tcp_hdr(skb)->fin;
                 } else
                         answ = tp->urg_seq - tp->copied_seq;
                 release_sock(sk);
@@ -1382,11 +1384,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 
                 /* Next get a buffer. */
 
-                skb = skb_peek(&sk->sk_receive_queue);
-                do {
-                        if (!skb)
-                                break;
-
+                skb_queue_walk(&sk->sk_receive_queue, skb) {
                         /* Now that we have two receive queues this
                          * shouldn't happen.
                          */
@@ -1403,8 +1401,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                         if (tcp_hdr(skb)->fin)
                                 goto found_fin_ok;
                         WARN_ON(!(flags & MSG_PEEK));
-                        skb = skb->next;
-                } while (skb != (struct sk_buff *)&sk->sk_receive_queue);
+                }
 
                 /* Well, if we have backlog, try to process it now yet. */
 
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index eeb8a92aa416..2bdb0da237e6 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4426,7 +4426,7 @@ drop:
                 }
                 __skb_queue_head(&tp->out_of_order_queue, skb);
         } else {
-                struct sk_buff *skb1 = tp->out_of_order_queue.prev;
+                struct sk_buff *skb1 = skb_peek_tail(&tp->out_of_order_queue);
                 u32 seq = TCP_SKB_CB(skb)->seq;
                 u32 end_seq = TCP_SKB_CB(skb)->end_seq;
 
@@ -4443,15 +4443,18 @@ drop:
                 }
 
                 /* Find place to insert this segment. */
-                do {
+                while (1) {
                         if (!after(TCP_SKB_CB(skb1)->seq, seq))
                                 break;
-                } while ((skb1 = skb1->prev) !=
-                         (struct sk_buff *)&tp->out_of_order_queue);
+                        if (skb_queue_is_first(&tp->out_of_order_queue, skb1)) {
+                                skb1 = NULL;
+                                break;
+                        }
+                        skb1 = skb_queue_prev(&tp->out_of_order_queue, skb1);
+                }
 
                 /* Do skb overlap to previous one? */
-                if (skb1 != (struct sk_buff *)&tp->out_of_order_queue &&
-                    before(seq, TCP_SKB_CB(skb1)->end_seq)) {
+                if (skb1 && before(seq, TCP_SKB_CB(skb1)->end_seq)) {
                         if (!after(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
                                 /* All the bits are present. Drop. */
                                 __kfree_skb(skb);
@@ -4463,15 +4466,26 @@ drop:
                                 tcp_dsack_set(sk, seq,
                                               TCP_SKB_CB(skb1)->end_seq);
                         } else {
-                                skb1 = skb1->prev;
+                                if (skb_queue_is_first(&tp->out_of_order_queue,
+                                                       skb1))
+                                        skb1 = NULL;
+                                else
+                                        skb1 = skb_queue_prev(
+                                                &tp->out_of_order_queue,
+                                                skb1);
                         }
                 }
-                __skb_queue_after(&tp->out_of_order_queue, skb1, skb);
+                if (!skb1)
+                        __skb_queue_head(&tp->out_of_order_queue, skb);
+                else
+                        __skb_queue_after(&tp->out_of_order_queue, skb1, skb);
 
                 /* And clean segments covered by new one as whole. */
-                while ((skb1 = skb->next) !=
-                       (struct sk_buff *)&tp->out_of_order_queue &&
-                       after(end_seq, TCP_SKB_CB(skb1)->seq)) {
+                while (!skb_queue_is_last(&tp->out_of_order_queue, skb)) {
+                        skb1 = skb_queue_next(&tp->out_of_order_queue, skb);
+
+                        if (!after(end_seq, TCP_SKB_CB(skb1)->seq))
+                                break;
                         if (before(end_seq, TCP_SKB_CB(skb1)->end_seq)) {
                                 tcp_dsack_extend(sk, TCP_SKB_CB(skb1)->seq,
                                                  end_seq);
@@ -4492,7 +4506,10 @@ add_sack:
 static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb,
                                         struct sk_buff_head *list)
 {
-        struct sk_buff *next = skb->next;
+        struct sk_buff *next = NULL;
+
+        if (!skb_queue_is_last(list, skb))
+                next = skb_queue_next(list, skb);
 
         __skb_unlink(skb, list);
         __kfree_skb(skb);
@@ -4503,6 +4520,9 @@ static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb,
 
 /* Collapse contiguous sequence of skbs head..tail with
  * sequence numbers start..end.
+ *
+ * If tail is NULL, this means until the end of the list.
+ *
  * Segments with FIN/SYN are not collapsed (only because this
  * simplifies code)
  */
@@ -4511,15 +4531,23 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
              struct sk_buff *head, struct sk_buff *tail,
              u32 start, u32 end)
 {
-        struct sk_buff *skb;
+        struct sk_buff *skb, *n;
+        bool end_of_skbs;
 
         /* First, check that queue is collapsible and find
          * the point where collapsing can be useful. */
-        for (skb = head; skb != tail;) {
+        skb = head;
+restart:
+        end_of_skbs = true;
+        skb_queue_walk_from_safe(list, skb, n) {
+                if (skb == tail)
+                        break;
                 /* No new bits? It is possible on ofo queue. */
                 if (!before(start, TCP_SKB_CB(skb)->end_seq)) {
                         skb = tcp_collapse_one(sk, skb, list);
-                        continue;
+                        if (!skb)
+                                break;
+                        goto restart;
                 }
 
                 /* The first skb to collapse is:
@@ -4529,16 +4557,24 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
                  */
                 if (!tcp_hdr(skb)->syn && !tcp_hdr(skb)->fin &&
                     (tcp_win_from_space(skb->truesize) > skb->len ||
-                     before(TCP_SKB_CB(skb)->seq, start) ||
-                     (skb->next != tail &&
-                      TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(skb->next)->seq)))
+                     before(TCP_SKB_CB(skb)->seq, start))) {
+                        end_of_skbs = false;
                         break;
+                }
+
+                if (!skb_queue_is_last(list, skb)) {
+                        struct sk_buff *next = skb_queue_next(list, skb);
+                        if (next != tail &&
+                            TCP_SKB_CB(skb)->end_seq != TCP_SKB_CB(next)->seq) {
+                                end_of_skbs = false;
+                                break;
+                        }
+                }
 
                 /* Decided to skip this, advance start seq. */
                 start = TCP_SKB_CB(skb)->end_seq;
-                skb = skb->next;
         }
-        if (skb == tail || tcp_hdr(skb)->syn || tcp_hdr(skb)->fin)
+        if (end_of_skbs || tcp_hdr(skb)->syn || tcp_hdr(skb)->fin)
                 return;
 
         while (before(start, end)) {
@@ -4583,7 +4619,8 @@ tcp_collapse(struct sock *sk, struct sk_buff_head *list,
                         }
                         if (!before(start, TCP_SKB_CB(skb)->end_seq)) {
                                 skb = tcp_collapse_one(sk, skb, list);
-                                if (skb == tail ||
+                                if (!skb ||
+                                    skb == tail ||
                                     tcp_hdr(skb)->syn ||
                                     tcp_hdr(skb)->fin)
                                         return;
@@ -4610,17 +4647,21 @@ static void tcp_collapse_ofo_queue(struct sock *sk)
         head = skb;
 
         for (;;) {
-                skb = skb->next;
+                struct sk_buff *next = NULL;
+
+                if (!skb_queue_is_last(&tp->out_of_order_queue, skb))
+                        next = skb_queue_next(&tp->out_of_order_queue, skb);
+                skb = next;
 
                 /* Segment is terminated when we see gap or when
                  * we are at the end of all the queue. */
-                if (skb == (struct sk_buff *)&tp->out_of_order_queue ||
+                if (!skb ||
                     after(TCP_SKB_CB(skb)->seq, end) ||
                     before(TCP_SKB_CB(skb)->end_seq, start)) {
                         tcp_collapse(sk, &tp->out_of_order_queue,
                                      head, skb, start, end);
                         head = skb;
-                        if (skb == (struct sk_buff *)&tp->out_of_order_queue)
+                        if (!skb)
                                 break;
                         /* Start new segment */
                         start = TCP_SKB_CB(skb)->seq;
@@ -4681,10 +4722,11 @@ static int tcp_prune_queue(struct sock *sk)
                 tp->rcv_ssthresh = min(tp->rcv_ssthresh, 4U * tp->advmss);
 
         tcp_collapse_ofo_queue(sk);
-        tcp_collapse(sk, &sk->sk_receive_queue,
-                     sk->sk_receive_queue.next,
-                     (struct sk_buff *)&sk->sk_receive_queue,
-                     tp->copied_seq, tp->rcv_nxt);
+        if (!skb_queue_empty(&sk->sk_receive_queue))
+                tcp_collapse(sk, &sk->sk_receive_queue,
+                             skb_peek(&sk->sk_receive_queue),
+                             NULL,
+                             tp->copied_seq, tp->rcv_nxt);
         sk_mem_reclaim(sk);
 
         if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf)
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index fc79e3416288..5a1ca2698c88 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -546,7 +546,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
         if (th->rst)
                 return;
 
-        if (skb->rtable->rt_type != RTN_LOCAL)
+        if (skb_rtable(skb)->rt_type != RTN_LOCAL)
                 return;
 
         /* Swap the send and the receive. */
@@ -590,7 +590,7 @@ static void tcp_v4_send_reset(struct sock *sk, struct sk_buff *skb)
         arg.csumoffset = offsetof(struct tcphdr, check) / 2;
         arg.flags = (sk && inet_sk(sk)->transparent) ? IP_REPLY_ARG_NOSRCCHECK : 0;
 
-        net = dev_net(skb->dst->dev);
+        net = dev_net(skb_dst(skb)->dev);
         ip_send_reply(net->ipv4.tcp_sock, skb,
                       &arg, arg.iov[0].iov_len);
 
@@ -617,7 +617,7 @@ static void tcp_v4_send_ack(struct sk_buff *skb, u32 seq, u32 ack,
                         ];
         } rep;
         struct ip_reply_arg arg;
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
 
         memset(&rep.th, 0, sizeof(struct tcphdr));
         memset(&arg, 0, sizeof(arg));
@@ -1185,7 +1185,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb)
 #endif
 
         /* Never answer to SYNs send to broadcast or multicast */
-        if (skb->rtable->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
+        if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
                 goto drop;
 
         /* TW buckets are converted to open requests without
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 79c39dc9b01c..416fc4c2e7eb 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2202,7 +2202,7 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
         /* Reserve space for headers. */
         skb_reserve(skb, MAX_TCP_HEADER);
 
-        skb->dst = dst_clone(dst);
+        skb_dst_set(skb, dst_clone(dst));
 
         mss = dst_metric(dst, RTAX_ADVMSS);
         if (tp->rx_opt.user_mss && tp->rx_opt.user_mss < mss)
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index a453aac91bd3..c6743eec9b7d 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -158,6 +158,11 @@ void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event)
 }
 EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
 
+static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp)
+{
+        return  min(tp->snd_ssthresh, tp->snd_cwnd-1);
+}
+
 static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
 {
         struct tcp_sock *tp = tcp_sk(sk);
@@ -221,11 +226,10 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
                          */
                         diff = tp->snd_cwnd * (rtt-vegas->baseRTT) / vegas->baseRTT;
 
-                        if (diff > gamma && tp->snd_ssthresh > 2 ) {
+                        if (diff > gamma && tp->snd_cwnd <= tp->snd_ssthresh) {
                                 /* Going too fast. Time to slow down
                                  * and switch to congestion avoidance.
                                  */
-                                tp->snd_ssthresh = 2;
 
                                 /* Set cwnd to match the actual rate
                                  * exactly:
@@ -235,6 +239,7 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
                                  * utilization.
                                  */
                                 tp->snd_cwnd = min(tp->snd_cwnd, (u32)target_cwnd+1);
+                                tp->snd_ssthresh = tcp_vegas_ssthresh(tp);
 
                         } else if (tp->snd_cwnd <= tp->snd_ssthresh) {
                                 /* Slow start.  */
@@ -250,6 +255,8 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
                                          * we slow down.
                                          */
                                         tp->snd_cwnd--;
+                                        tp->snd_ssthresh
+                                                = tcp_vegas_ssthresh(tp);
                                 } else if (diff < alpha) {
                                         /* We don't have enough extra packets
                                          * in the network, so speed up.
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 7a1d1ce22e66..8f4158d7c9a6 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -328,7 +328,7 @@ static inline struct sock *__udp4_lib_lookup_skb(struct sk_buff *skb,
         if (unlikely(sk = skb_steal_sock(skb)))
                 return sk;
         else
-                return __udp4_lib_lookup(dev_net(skb->dst->dev), iph->saddr, sport,
+                return __udp4_lib_lookup(dev_net(skb_dst(skb)->dev), iph->saddr, sport,
                                          iph->daddr, dport, inet_iif(skb),
                                          udptable);
 }
@@ -1237,7 +1237,7 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
         struct sock *sk;
         struct udphdr *uh;
         unsigned short ulen;
-        struct rtable *rt = (struct rtable*)skb->dst;
+        struct rtable *rt = skb_rtable(skb);
         __be32 saddr, daddr;
         struct net *net = dev_net(skb->dev);
 
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index 4ec2162a437e..f9f922a0ba88 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -23,7 +23,7 @@ int xfrm4_extract_input(struct xfrm_state *x, struct sk_buff *skb)
 
 static inline int xfrm4_rcv_encap_finish(struct sk_buff *skb)
 {
-        if (skb->dst == NULL) {
+        if (skb_dst(skb) == NULL) {
                 const struct iphdr *iph = ip_hdr(skb);
 
                 if (ip_route_input(skb, iph->daddr, iph->saddr, iph->tos,
diff --git a/net/ipv4/xfrm4_mode_tunnel.c b/net/ipv4/xfrm4_mode_tunnel.c
index 7135279f3f84..3444f3b34eca 100644
--- a/net/ipv4/xfrm4_mode_tunnel.c
+++ b/net/ipv4/xfrm4_mode_tunnel.c
@@ -28,7 +28,7 @@ static inline void ipip_ecn_decapsulate(struct sk_buff *skb)
  */
 static int xfrm4_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct iphdr *top_iph;
         int flags;
 
@@ -41,7 +41,7 @@ static int xfrm4_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
         top_iph->ihl = 5;
         top_iph->version = 4;
 
-        top_iph->protocol = xfrm_af2proto(skb->dst->ops->family);
+        top_iph->protocol = xfrm_af2proto(skb_dst(skb)->ops->family);
 
         /* DS disclosed */
         top_iph->tos = INET_ECN_encapsulate(XFRM_MODE_SKB_CB(skb)->tos,
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 8c3180adddbf..c908bd99bcba 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -29,7 +29,7 @@ static int xfrm4_tunnel_check_size(struct sk_buff *skb)
         if (!(ip_hdr(skb)->frag_off & htons(IP_DF)) || skb->local_df)
                 goto out;
 
-        dst = skb->dst;
+        dst = skb_dst(skb);
         mtu = dst_mtu(dst);
         if (skb->len > mtu) {
                 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
@@ -72,7 +72,7 @@ EXPORT_SYMBOL(xfrm4_prepare_output);
 static int xfrm4_output_finish(struct sk_buff *skb)
 {
 #ifdef CONFIG_NETFILTER
-        if (!skb->dst->xfrm) {
+        if (!skb_dst(skb)->xfrm) {
                 IPCB(skb)->flags |= IPSKB_REROUTED;
                 return dst_output(skb);
         }
@@ -87,6 +87,6 @@ static int xfrm4_output_finish(struct sk_buff *skb)
 int xfrm4_output(struct sk_buff *skb)
 {
         return NF_HOOK_COND(PF_INET, NF_INET_POST_ROUTING, skb,
-                            NULL, skb->dst->dev, xfrm4_output_finish,
+                            NULL, skb_dst(skb)->dev, xfrm4_output_finish,
                             !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 31938e5fb220..c3488372f12d 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -591,7 +591,6 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
 {
         struct inet6_ifaddr *ifa = NULL;
         struct rt6_info *rt;
-        struct net *net = dev_net(idev->dev);
         int hash;
         int err = 0;
         int addr_type = ipv6_addr_type(addr);
@@ -608,7 +607,7 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
                 goto out2;
         }
 
-        if (idev->cnf.disable_ipv6 || net->ipv6.devconf_all->disable_ipv6) {
+        if (idev->cnf.disable_ipv6) {
                 err = -EACCES;
                 goto out2;
         }
@@ -1752,6 +1751,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
         __u32 prefered_lft;
         int addr_type;
         struct inet6_dev *in6_dev;
+        struct net *net = dev_net(dev);
 
         pinfo = (struct prefix_info *) opt;
 
@@ -1809,7 +1809,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
                 if (addrconf_finite_timeout(rt_expires))
                         rt_expires *= HZ;
 
-                rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL,
+                rt = rt6_lookup(net, &pinfo->prefix, NULL,
                                 dev->ifindex, 1);
 
                 if (rt && addrconf_is_prefix_route(rt)) {
@@ -1846,7 +1846,6 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
                 struct inet6_ifaddr * ifp;
                 struct in6_addr addr;
                 int create = 0, update_lft = 0;
-                struct net *net = dev_net(dev);
 
                 if (pinfo->prefix_len == 64) {
                         memcpy(&addr, &pinfo->prefix, 8);
@@ -3988,6 +3987,75 @@ static int addrconf_sysctl_forward_strategy(ctl_table *table,
         return addrconf_fixup_forwarding(table, valp, val);
 }
 
+static void dev_disable_change(struct inet6_dev *idev)
+{
+        if (!idev || !idev->dev)
+                return;
+
+        if (idev->cnf.disable_ipv6)
+                addrconf_notify(NULL, NETDEV_DOWN, idev->dev);
+        else
+                addrconf_notify(NULL, NETDEV_UP, idev->dev);
+}
+
+static void addrconf_disable_change(struct net *net, __s32 newf)
+{
+        struct net_device *dev;
+        struct inet6_dev *idev;
+
+        read_lock(&dev_base_lock);
+        for_each_netdev(net, dev) {
+                rcu_read_lock();
+                idev = __in6_dev_get(dev);
+                if (idev) {
+                        int changed = (!idev->cnf.disable_ipv6) ^ (!newf);
+                        idev->cnf.disable_ipv6 = newf;
+                        if (changed)
+                                dev_disable_change(idev);
+                }
+                rcu_read_unlock();
+        }
+        read_unlock(&dev_base_lock);
+}
+
+static int addrconf_disable_ipv6(struct ctl_table *table, int *p, int old)
+{
+        struct net *net;
+
+        net = (struct net *)table->extra2;
+
+        if (p == &net->ipv6.devconf_dflt->disable_ipv6)
+                return 0;
+
+        if (!rtnl_trylock())
+                return restart_syscall();
+
+        if (p == &net->ipv6.devconf_all->disable_ipv6) {
+                __s32 newf = net->ipv6.devconf_all->disable_ipv6;
+                net->ipv6.devconf_dflt->disable_ipv6 = newf;
+                addrconf_disable_change(net, newf);
+        } else if ((!*p) ^ (!old))
+                dev_disable_change((struct inet6_dev *)table->extra1);
+
+        rtnl_unlock();
+        return 0;
+}
+
+static
+int addrconf_sysctl_disable(ctl_table *ctl, int write, struct file * filp,
+                            void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+        int *valp = ctl->data;
+        int val = *valp;
+        int ret;
+
+        ret = proc_dointvec(ctl, write, filp, buffer, lenp, ppos);
+
+        if (write)
+                ret = addrconf_disable_ipv6(ctl, valp, val);
+        return ret;
+}
+
 static struct addrconf_sysctl_table
 {
         struct ctl_table_header *sysctl_header;
@@ -4225,7 +4293,8 @@ static struct addrconf_sysctl_table
                         .data           =       &ipv6_devconf.disable_ipv6,
                         .maxlen         =       sizeof(int),
                         .mode           =       0644,
-                        .proc_handler   =       proc_dointvec,
+                        .proc_handler   =       addrconf_sysctl_disable,
+                        .strategy       =       sysctl_intvec,
                 },
                 {
                         .ctl_name       =       CTL_UNNUMBERED,
@@ -4346,6 +4415,10 @@ static int addrconf_init_net(struct net *net)
                 dflt = kmemdup(dflt, sizeof(ipv6_devconf_dflt), GFP_KERNEL);
                 if (dflt == NULL)
                         goto err_alloc_dflt;
+        } else {
+                /* these will be inherited by all namespaces */
+                dflt->autoconf = ipv6_defaults.autoconf;
+                dflt->disable_ipv6 = ipv6_defaults.disable_ipv6;
         }
 
         net->ipv6.devconf_all = all;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index b6215be0963f..85b3d0036afd 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -72,9 +72,21 @@ MODULE_LICENSE("GPL");
 static struct list_head inetsw6[SOCK_MAX];
 static DEFINE_SPINLOCK(inetsw6_lock);
 
-static int disable_ipv6 = 0;
-module_param_named(disable, disable_ipv6, int, 0);
-MODULE_PARM_DESC(disable, "Disable IPv6 such that it is non-functional");
+struct ipv6_params ipv6_defaults = {
+        .disable_ipv6 = 0,
+        .autoconf = 1,
+};
+
+static int disable_ipv6_mod = 0;
+
+module_param_named(disable, disable_ipv6_mod, int, 0444);
+MODULE_PARM_DESC(disable, "Disable IPv6 module such that it is non-functional");
+
+module_param_named(disable_ipv6, ipv6_defaults.disable_ipv6, int, 0444);
+MODULE_PARM_DESC(disable_ipv6, "Disable IPv6 on all interfaces");
+
+module_param_named(autoconf, ipv6_defaults.autoconf, int, 0444);
+MODULE_PARM_DESC(autoconf, "Enable IPv6 address autoconfiguration on all interfaces");
 
 static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)
 {
@@ -1038,7 +1050,7 @@ static int __init inet6_init(void)
         for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)
                 INIT_LIST_HEAD(r);
 
-        if (disable_ipv6) {
+        if (disable_ipv6_mod) {
                 printk(KERN_INFO
                        "IPv6: Loaded, but administratively disabled, "
                        "reboot required to enable\n");
@@ -1227,7 +1239,7 @@ module_init(inet6_init);
 
 static void __exit inet6_exit(void)
 {
-        if (disable_ipv6)
+        if (disable_ipv6_mod)
                 return;
 
         /* First of all disallow new sockets creation. */
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 1c7f400a3cfe..4aae658e5501 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -277,7 +277,7 @@ static int ipv6_destopt_rcv(struct sk_buff *skb)
         if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) ||
             !pskb_may_pull(skb, (skb_transport_offset(skb) +
                                  ((skb_transport_header(skb)[1] + 1) << 3)))) {
-                IP6_INC_STATS_BH(dev_net(skb->dst->dev), ip6_dst_idev(skb->dst),
+                IP6_INC_STATS_BH(dev_net(skb_dst(skb)->dev), ip6_dst_idev(skb_dst(skb)),
                                  IPSTATS_MIB_INHDRERRORS);
                 kfree_skb(skb);
                 return -1;
@@ -288,7 +288,7 @@ static int ipv6_destopt_rcv(struct sk_buff *skb)
         dstbuf = opt->dst1;
 #endif
 
-        dst = dst_clone(skb->dst);
+        dst = dst_clone(skb_dst(skb));
         if (ip6_parse_tlv(tlvprocdestopt_lst, skb)) {
                 dst_release(dst);
                 skb->transport_header += (skb_transport_header(skb)[1] + 1) << 3;
@@ -333,7 +333,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
         if (!pskb_may_pull(skb, skb_transport_offset(skb) + 8) ||
             !pskb_may_pull(skb, (skb_transport_offset(skb) +
                                  ((skb_transport_header(skb)[1] + 1) << 3)))) {
-                IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                  IPSTATS_MIB_INHDRERRORS);
                 kfree_skb(skb);
                 return -1;
@@ -343,7 +343,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
 
         if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr) ||
             skb->pkt_type != PACKET_HOST) {
-                IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                  IPSTATS_MIB_INADDRERRORS);
                 kfree_skb(skb);
                 return -1;
@@ -358,7 +358,7 @@ looped_back:
                          * processed by own
                          */
                         if (!addr) {
-                                IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                                IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                                  IPSTATS_MIB_INADDRERRORS);
                                 kfree_skb(skb);
                                 return -1;
@@ -384,7 +384,7 @@ looped_back:
                         goto unknown_rh;
                 /* Silently discard invalid RTH type 2 */
                 if (hdr->hdrlen != 2 || hdr->segments_left != 1) {
-                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                          IPSTATS_MIB_INHDRERRORS);
                         kfree_skb(skb);
                         return -1;
@@ -403,7 +403,7 @@ looped_back:
         n = hdr->hdrlen >> 1;
 
         if (hdr->segments_left > n) {
-                IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                  IPSTATS_MIB_INHDRERRORS);
                 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
                                   ((&hdr->segments_left) -
@@ -417,7 +417,7 @@ looped_back:
         if (skb_cloned(skb)) {
                 /* the copy is a forwarded packet */
                 if (pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) {
-                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                          IPSTATS_MIB_OUTDISCARDS);
                         kfree_skb(skb);
                         return -1;
@@ -440,13 +440,13 @@ looped_back:
                 if (xfrm6_input_addr(skb, (xfrm_address_t *)addr,
                                      (xfrm_address_t *)&ipv6_hdr(skb)->saddr,
                                      IPPROTO_ROUTING) < 0) {
-                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                          IPSTATS_MIB_INADDRERRORS);
                         kfree_skb(skb);
                         return -1;
                 }
-                if (!ipv6_chk_home_addr(dev_net(skb->dst->dev), addr)) {
-                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                if (!ipv6_chk_home_addr(dev_net(skb_dst(skb)->dev), addr)) {
+                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                          IPSTATS_MIB_INADDRERRORS);
                         kfree_skb(skb);
                         return -1;
@@ -458,7 +458,7 @@ looped_back:
         }
 
         if (ipv6_addr_is_multicast(addr)) {
-                IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                  IPSTATS_MIB_INADDRERRORS);
                 kfree_skb(skb);
                 return -1;
@@ -468,17 +468,17 @@ looped_back:
         ipv6_addr_copy(addr, &ipv6_hdr(skb)->daddr);
         ipv6_addr_copy(&ipv6_hdr(skb)->daddr, &daddr);
 
-        dst_release(xchg(&skb->dst, NULL));
+        skb_dst_drop(skb);
         ip6_route_input(skb);
-        if (skb->dst->error) {
+        if (skb_dst(skb)->error) {
                 skb_push(skb, skb->data - skb_network_header(skb));
                 dst_input(skb);
                 return -1;
         }
 
-        if (skb->dst->dev->flags&IFF_LOOPBACK) {
+        if (skb_dst(skb)->dev->flags&IFF_LOOPBACK) {
                 if (ipv6_hdr(skb)->hop_limit <= 1) {
-                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                          IPSTATS_MIB_INHDRERRORS);
                         icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
                                     0, skb->dev);
@@ -494,7 +494,7 @@ looped_back:
         return -1;
 
 unknown_rh:
-        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
+        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_INHDRERRORS);
         icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
                           (&hdr->type) - skb_network_header(skb));
         return -1;
@@ -552,11 +552,11 @@ void ipv6_exthdrs_exit(void)
  **********************************/
 
 /*
- * Note: we cannot rely on skb->dst before we assign it in ip6_route_input().
+ * Note: we cannot rely on skb_dst(skb) before we assign it in ip6_route_input().
  */
 static inline struct inet6_dev *ipv6_skb_idev(struct sk_buff *skb)
 {
-        return skb->dst ? ip6_dst_idev(skb->dst) : __in6_dev_get(skb->dev);
+        return skb_dst(skb) ? ip6_dst_idev(skb_dst(skb)) : __in6_dev_get(skb->dev);
 }
 
 /* Router Alert as of RFC 2711 */
@@ -581,7 +581,7 @@ static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
 {
         const unsigned char *nh = skb_network_header(skb);
         u32 pkt_len;
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
 
         if (nh[optoff + 1] != 4 || (optoff & 3) != 2) {
                 LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 3c3732d50c1a..cc4797dd8325 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -228,7 +228,7 @@ int inet6_csk_xmit(struct sk_buff *skb, int ipfragok)
                 __inet6_csk_dst_store(sk, dst, NULL, NULL);
         }
 
-        skb->dst = dst_clone(dst);
+        skb_dst_set(skb, dst_clone(dst));
 
         /* Restore final destination back after routing done */
         ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index bc1a920c34a1..c3a07d75b5f5 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -48,7 +48,7 @@
 
 inline int ip6_rcv_finish( struct sk_buff *skb)
 {
-        if (skb->dst == NULL)
+        if (skb_dst(skb) == NULL)
                 ip6_route_input(skb);
 
         return dst_input(skb);
@@ -91,7 +91,7 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
          * arrived via the sending interface (ethX), because of the
          * nature of scoping architecture. --yoshfuji
          */
-        IP6CB(skb)->iif = skb->dst ? ip6_dst_idev(skb->dst)->dev->ifindex : dev->ifindex;
+        IP6CB(skb)->iif = skb_dst(skb) ? ip6_dst_idev(skb_dst(skb))->dev->ifindex : dev->ifindex;
 
         if (unlikely(!pskb_may_pull(skb, sizeof(*hdr))))
                 goto err;
@@ -161,7 +161,7 @@ static int ip6_input_finish(struct sk_buff *skb)
         int nexthdr, raw;
         u8 hash;
         struct inet6_dev *idev;
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
 
         /*
          *      Parse extension headers
@@ -169,7 +169,7 @@ static int ip6_input_finish(struct sk_buff *skb)
 
         rcu_read_lock();
 resubmit:
-        idev = ip6_dst_idev(skb->dst);
+        idev = ip6_dst_idev(skb_dst(skb));
         if (!pskb_pull(skb, skb_transport_offset(skb)))
                 goto discard;
         nhoff = IP6CB(skb)->nhoff;
@@ -242,8 +242,8 @@ int ip6_mc_input(struct sk_buff *skb)
         struct ipv6hdr *hdr;
         int deliver;
 
-        IP6_UPD_PO_STATS_BH(dev_net(skb->dst->dev),
-                         ip6_dst_idev(skb->dst), IPSTATS_MIB_INMCAST,
+        IP6_UPD_PO_STATS_BH(dev_net(skb_dst(skb)->dev),
+                         ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_INMCAST,
                          skb->len);
 
         hdr = ipv6_hdr(skb);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 735a2bf4b5f1..7c76e3d18215 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -78,7 +78,7 @@ int __ip6_local_out(struct sk_buff *skb)
                 len = 0;
         ipv6_hdr(skb)->payload_len = htons(len);
 
-        return nf_hook(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dst->dev,
+        return nf_hook(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb_dst(skb)->dev,
                        dst_output);
 }
 
@@ -96,7 +96,7 @@ EXPORT_SYMBOL_GPL(ip6_local_out);
 
 static int ip6_output_finish(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
 
         if (dst->hh)
                 return neigh_hh_output(dst->hh, skb);
@@ -117,7 +117,7 @@ static int ip6_dev_loopback_xmit(struct sk_buff *newskb)
         __skb_pull(newskb, skb_network_offset(newskb));
         newskb->pkt_type = PACKET_LOOPBACK;
         newskb->ip_summed = CHECKSUM_UNNECESSARY;
-        WARN_ON(!newskb->dst);
+        WARN_ON(!skb_dst(newskb));
 
         netif_rx(newskb);
         return 0;
@@ -126,7 +126,7 @@ static int ip6_dev_loopback_xmit(struct sk_buff *newskb)
 
 static int ip6_output2(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct net_device *dev = dst->dev;
 
         skb->protocol = htons(ETH_P_IPV6);
@@ -134,7 +134,7 @@ static int ip6_output2(struct sk_buff *skb)
 
         if (ipv6_addr_is_multicast(&ipv6_hdr(skb)->daddr)) {
                 struct ipv6_pinfo* np = skb->sk ? inet6_sk(skb->sk) : NULL;
-                struct inet6_dev *idev = ip6_dst_idev(skb->dst);
+                struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));
 
                 if (!(dev->flags & IFF_LOOPBACK) && (!np || np->mc_loop) &&
                     ((mroute6_socket(dev_net(dev)) &&
@@ -172,21 +172,21 @@ static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
         struct ipv6_pinfo *np = skb->sk ? inet6_sk(skb->sk) : NULL;
 
         return (np && np->pmtudisc == IPV6_PMTUDISC_PROBE) ?
-               skb->dst->dev->mtu : dst_mtu(skb->dst);
+               skb_dst(skb)->dev->mtu : dst_mtu(skb_dst(skb));
 }
 
 int ip6_output(struct sk_buff *skb)
 {
-        struct inet6_dev *idev = ip6_dst_idev(skb->dst);
+        struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));
         if (unlikely(idev->cnf.disable_ipv6)) {
-                IP6_INC_STATS(dev_net(skb->dst->dev), idev,
+                IP6_INC_STATS(dev_net(skb_dst(skb)->dev), idev,
                               IPSTATS_MIB_OUTDISCARDS);
                 kfree_skb(skb);
                 return 0;
         }
 
         if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
-                                dst_allfrag(skb->dst))
+                                dst_allfrag(skb_dst(skb)))
                 return ip6_fragment(skb, ip6_output2);
         else
                 return ip6_output2(skb);
@@ -202,7 +202,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
         struct net *net = sock_net(sk);
         struct ipv6_pinfo *np = inet6_sk(sk);
         struct in6_addr *first_hop = &fl->fl6_dst;
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct ipv6hdr *hdr;
         u8  proto = fl->proto;
         int seg_len = skb->len;
@@ -222,7 +222,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
                 if (skb_headroom(skb) < head_room) {
                         struct sk_buff *skb2 = skb_realloc_headroom(skb, head_room);
                         if (skb2 == NULL) {
-                                IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+                                IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                                               IPSTATS_MIB_OUTDISCARDS);
                                 kfree_skb(skb);
                                 return -ENOBUFS;
@@ -276,7 +276,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
 
         mtu = dst_mtu(dst);
         if ((skb->len <= mtu) || skb->local_df || skb_is_gso(skb)) {
-                IP6_UPD_PO_STATS(net, ip6_dst_idev(skb->dst),
+                IP6_UPD_PO_STATS(net, ip6_dst_idev(skb_dst(skb)),
                               IPSTATS_MIB_OUT, skb->len);
                 return NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, dst->dev,
                                 dst_output);
@@ -286,7 +286,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
                 printk(KERN_DEBUG "IPv6: sending pkt_too_big to self\n");
         skb->dev = dst->dev;
         icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
-        IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_FRAGFAILS);
+        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_FRAGFAILS);
         kfree_skb(skb);
         return -EMSGSIZE;
 }
@@ -416,7 +416,7 @@ static inline int ip6_forward_finish(struct sk_buff *skb)
 
 int ip6_forward(struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct ipv6hdr *hdr = ipv6_hdr(skb);
         struct inet6_skb_parm *opt = IP6CB(skb);
         struct net *net = dev_net(dst->dev);
@@ -485,7 +485,7 @@ int ip6_forward(struct sk_buff *skb)
                 IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS);
                 goto drop;
         }
-        dst = skb->dst;
+        dst = skb_dst(skb);
 
         /* IPv6 specs say nothing about it, but it is clear that we cannot
            send redirects to source routed frames.
@@ -566,8 +566,8 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from)
         to->pkt_type = from->pkt_type;
         to->priority = from->priority;
         to->protocol = from->protocol;
-        dst_release(to->dst);
-        to->dst = dst_clone(from->dst);
+        skb_dst_drop(to);
+        skb_dst_set(to, dst_clone(skb_dst(from)));
         to->dev = from->dev;
         to->mark = from->mark;
 
@@ -624,7 +624,7 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
 static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 {
         struct sk_buff *frag;
-        struct rt6_info *rt = (struct rt6_info*)skb->dst;
+        struct rt6_info *rt = (struct rt6_info*)skb_dst(skb);
         struct ipv6_pinfo *np = skb->sk ? inet6_sk(skb->sk) : NULL;
         struct ipv6hdr *tmp_hdr;
         struct frag_hdr *fh;
@@ -632,7 +632,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
         __be32 frag_id = 0;
         int ptr, offset = 0, err=0;
         u8 *prevhdr, nexthdr = 0;
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
 
         hlen = ip6_find_1stfragopt(skb, &prevhdr);
         nexthdr = *prevhdr;
@@ -644,9 +644,9 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
          * check should be redundant, but it's free.)
          */
         if (!skb->local_df) {
-                skb->dev = skb->dst->dev;
+                skb->dev = skb_dst(skb)->dev;
                 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
-                IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+                IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                               IPSTATS_MIB_FRAGFAILS);
                 kfree_skb(skb);
                 return -EMSGSIZE;
@@ -658,7 +658,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
         }
         mtu -= hlen + sizeof(struct frag_hdr);
 
-        if (skb_shinfo(skb)->frag_list) {
+        if (skb_has_frags(skb)) {
                 int first_len = skb_pagelen(skb);
                 int truesizes = 0;
 
@@ -667,7 +667,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                     skb_cloned(skb))
                         goto slow_path;
 
-                for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
+                skb_walk_frags(skb, frag) {
                         /* Correct geometry. */
                         if (frag->len > mtu ||
                             ((frag->len & 7) && frag->next) ||
@@ -680,7 +680,6 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 
                         BUG_ON(frag->sk);
                         if (skb->sk) {
-                                sock_hold(skb->sk);
                                 frag->sk = skb->sk;
                                 frag->destructor = sock_wfree;
                                 truesizes += frag->truesize;
@@ -690,13 +689,13 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
                 err = 0;
                 offset = 0;
                 frag = skb_shinfo(skb)->frag_list;
-                skb_shinfo(skb)->frag_list = NULL;
+                skb_frag_list_init(skb);
                 /* BUILD HEADER */
 
                 *prevhdr = NEXTHDR_FRAGMENT;
                 tmp_hdr = kmemdup(skb_network_header(skb), hlen, GFP_ATOMIC);
                 if (!tmp_hdr) {
-                        IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+                        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                                       IPSTATS_MIB_FRAGFAILS);
                         return -ENOMEM;
                 }
@@ -809,7 +808,7 @@ slow_path:
 
                 if ((frag = alloc_skb(len+hlen+sizeof(struct frag_hdr)+LL_ALLOCATED_SPACE(rt->u.dst.dev), GFP_ATOMIC)) == NULL) {
                         NETDEBUG(KERN_INFO "IPv6: frag: no memory for new fragment!\n");
-                        IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+                        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                                       IPSTATS_MIB_FRAGFAILS);
                         err = -ENOMEM;
                         goto fail;
@@ -873,16 +872,16 @@ slow_path:
                 if (err)
                         goto fail;
 
-                IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+                IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                               IPSTATS_MIB_FRAGCREATES);
         }
-        IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                       IPSTATS_MIB_FRAGOKS);
         kfree_skb(skb);
         return err;
 
 fail:
-        IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                       IPSTATS_MIB_FRAGFAILS);
         kfree_skb(skb);
         return err;
@@ -1516,10 +1515,10 @@ int ip6_push_pending_frames(struct sock *sk)
         skb->priority = sk->sk_priority;
         skb->mark = sk->sk_mark;
 
-        skb->dst = dst_clone(&rt->u.dst);
+        skb_dst_set(skb, dst_clone(&rt->u.dst));
         IP6_UPD_PO_STATS(net, rt->rt6i_idev, IPSTATS_MIB_OUT, skb->len);
         if (proto == IPPROTO_ICMPV6) {
-                struct inet6_dev *idev = ip6_dst_idev(skb->dst);
+                struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));
 
                 ICMP6MSGOUT_INC_STATS_BH(net, idev, icmp6_hdr(skb)->icmp6_type);
                 ICMP6_INC_STATS_BH(net, idev, ICMP6_MIB_OUTMSGS);
@@ -1545,8 +1544,8 @@ void ip6_flush_pending_frames(struct sock *sk)
         struct sk_buff *skb;
 
         while ((skb = __skb_dequeue_tail(&sk->sk_write_queue)) != NULL) {
-                if (skb->dst)
-                        IP6_INC_STATS(sock_net(sk), ip6_dst_idev(skb->dst),
+                if (skb_dst(skb))
+                        IP6_INC_STATS(sock_net(sk), ip6_dst_idev(skb_dst(skb)),
                                       IPSTATS_MIB_OUTDISCARDS);
                 kfree_skb(skb);
         }
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index af256d47fd35..404d16a97d5c 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -532,8 +532,8 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
         if (!skb2)
                 return 0;
 
-        dst_release(skb2->dst);
-        skb2->dst = NULL;
+        skb_dst_drop(skb2);
+
         skb_pull(skb2, offset);
         skb_reset_network_header(skb2);
         eiph = ip_hdr(skb2);
@@ -560,21 +560,21 @@ ip4ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                         ip_rt_put(rt);
                         goto out;
                 }
-                skb2->dst = (struct dst_entry *)rt;
+                skb_dst_set(skb2, (struct dst_entry *)rt);
         } else {
                 ip_rt_put(rt);
                 if (ip_route_input(skb2, eiph->daddr, eiph->saddr, eiph->tos,
                                    skb2->dev) ||
-                    skb2->dst->dev->type != ARPHRD_TUNNEL)
+                    skb_dst(skb2)->dev->type != ARPHRD_TUNNEL)
                         goto out;
         }
 
         /* change mtu on this route */
         if (rel_type == ICMP_DEST_UNREACH && rel_code == ICMP_FRAG_NEEDED) {
-                if (rel_info > dst_mtu(skb2->dst))
+                if (rel_info > dst_mtu(skb_dst(skb2)))
                         goto out;
 
-                skb2->dst->ops->update_pmtu(skb2->dst, rel_info);
+                skb_dst(skb2)->ops->update_pmtu(skb_dst(skb2), rel_info);
         }
 
         icmp_send(skb2, rel_type, rel_code, htonl(rel_info));
@@ -606,8 +606,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                 if (!skb2)
                         return 0;
 
-                dst_release(skb2->dst);
-                skb2->dst = NULL;
+                skb_dst_drop(skb2);
                 skb_pull(skb2, offset);
                 skb_reset_network_header(skb2);
 
@@ -720,8 +719,7 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
                 skb->pkt_type = PACKET_HOST;
                 memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
                 skb->dev = t->dev;
-                dst_release(skb->dst);
-                skb->dst = NULL;
+                skb_dst_drop(skb);
                 nf_reset(skb);
 
                 dscp_ecn_decapsulate(t, ipv6h, skb);
@@ -885,8 +883,8 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
         }
         if (mtu < IPV6_MIN_MTU)
                 mtu = IPV6_MIN_MTU;
-        if (skb->dst)
-                skb->dst->ops->update_pmtu(skb->dst, mtu);
+        if (skb_dst(skb))
+                skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
         if (skb->len > mtu) {
                 *pmtu = mtu;
                 err = -EMSGSIZE;
@@ -910,8 +908,8 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
                 kfree_skb(skb);
                 skb = new_skb;
         }
-        dst_release(skb->dst);
-        skb->dst = dst_clone(dst);
+        skb_dst_drop(skb);
+        skb_dst_set(skb, dst_clone(dst));
 
         skb->transport_header = skb->network_header;
 
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 228be551e9c1..a35d8fc55b04 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -398,10 +398,9 @@ static int pim6_rcv(struct sk_buff *skb)
         skb->protocol = htons(ETH_P_IPV6);
         skb->ip_summed = 0;
         skb->pkt_type = PACKET_HOST;
-        dst_release(skb->dst);
+        skb_dst_drop(skb);
         reg_dev->stats.rx_bytes += skb->len;
         reg_dev->stats.rx_packets++;
-        skb->dst = NULL;
         nf_reset(skb);
         netif_rx(skb);
         dev_put(reg_dev);
@@ -849,7 +848,7 @@ static int ip6mr_cache_report(struct net *net, struct sk_buff *pkt, mifi_t mifi,
         ipv6_addr_copy(&msg->im6_src, &ipv6_hdr(pkt)->saddr);
         ipv6_addr_copy(&msg->im6_dst, &ipv6_hdr(pkt)->daddr);
 
-        skb->dst = dst_clone(pkt->dst);
+        skb_dst_set(skb, dst_clone(skb_dst(pkt)));
         skb->ip_summed = CHECKSUM_UNNECESSARY;
         }
 
@@ -1487,7 +1486,7 @@ int ip6mr_ioctl(struct sock *sk, int cmd, void __user *arg)
 
 static inline int ip6mr_forward2_finish(struct sk_buff *skb)
 {
-        IP6_INC_STATS_BH(dev_net(skb->dst->dev), ip6_dst_idev(skb->dst),
+        IP6_INC_STATS_BH(dev_net(skb_dst(skb)->dev), ip6_dst_idev(skb_dst(skb)),
                          IPSTATS_MIB_OUTFORWDATAGRAMS);
         return dst_output(skb);
 }
@@ -1532,8 +1531,8 @@ static int ip6mr_forward2(struct sk_buff *skb, struct mfc6_cache *c, int vifi)
         if (!dst)
                 goto out_free;
 
-        dst_release(skb->dst);
-        skb->dst = dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, dst);
 
         /*
          * RFC1584 teaches, that DVMRP/PIM router must deliver packets locally
@@ -1722,7 +1721,7 @@ int ip6mr_get_route(struct net *net,
 {
         int err;
         struct mfc6_cache *cache;
-        struct rt6_info *rt = (struct rt6_info *)skb->dst;
+        struct rt6_info *rt = (struct rt6_info *)skb_dst(skb);
 
         read_lock(&mrt_lock);
         cache = ip6mr_cache_find(net, &rt->rt6i_src.addr, &rt->rt6i_dst.addr);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 4b48819a5b8d..4b264ed40a8c 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -1448,6 +1448,7 @@ static void mld_sendpack(struct sk_buff *skb)
         struct net *net = dev_net(skb->dev);
         int err;
         struct flowi fl;
+        struct dst_entry *dst;
 
         IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
 
@@ -1459,9 +1460,9 @@ static void mld_sendpack(struct sk_buff *skb)
                 IPPROTO_ICMPV6, csum_partial(skb_transport_header(skb),
                                              mldlen, 0));
 
-        skb->dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
+        dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
 
-        if (!skb->dst) {
+        if (!dst) {
                 err = -ENOMEM;
                 goto err_out;
         }
@@ -1470,7 +1471,8 @@ static void mld_sendpack(struct sk_buff *skb)
                          &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
                          skb->dev->ifindex);
 
-        err = xfrm_lookup(net, &skb->dst, &fl, NULL, 0);
+        err = xfrm_lookup(net, &dst, &fl, NULL, 0);
+        skb_dst_set(skb, dst);
         if (err)
                 goto err_out;
 
@@ -1775,6 +1777,7 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
                      IPV6_TLV_ROUTERALERT, 2, 0, 0,
                      IPV6_TLV_PADN, 0 };
         struct flowi fl;
+        struct dst_entry *dst;
 
         if (type == ICMPV6_MGM_REDUCTION)
                 snd_addr = &in6addr_linklocal_allrouters;
@@ -1828,8 +1831,8 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
 
         idev = in6_dev_get(skb->dev);
 
-        skb->dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
-        if (!skb->dst) {
+        dst = icmp6_dst_alloc(skb->dev, NULL, &ipv6_hdr(skb)->daddr);
+        if (!dst) {
                 err = -ENOMEM;
                 goto err_out;
         }
@@ -1838,11 +1841,11 @@ static void igmp6_send(struct in6_addr *addr, struct net_device *dev, int type)
                          &ipv6_hdr(skb)->saddr, &ipv6_hdr(skb)->daddr,
                          skb->dev->ifindex);
 
-        err = xfrm_lookup(net, &skb->dst, &fl, NULL, 0);
+        err = xfrm_lookup(net, &dst, &fl, NULL, 0);
         if (err)
                 goto err_out;
 
-
+        skb_dst_set(skb, dst);
         err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, skb, NULL, skb->dev,
                       dst_output);
 out:
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index e09f12ee57cf..9eb68e92cc18 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -465,8 +465,8 @@ struct sk_buff *ndisc_build_skb(struct net_device *dev,
                                   1, &err);
         if (!skb) {
                 ND_PRINTK0(KERN_ERR
-                           "ICMPv6 ND: %s() failed to allocate an skb.\n",
-                           __func__);
+                           "ICMPv6 ND: %s() failed to allocate an skb, err=%d.\n",
+                           __func__, err);
                 return NULL;
         }
 
@@ -530,7 +530,7 @@ void ndisc_send_skb(struct sk_buff *skb,
                 return;
         }
 
-        skb->dst = dst;
+        skb_dst_set(skb, dst);
 
         idev = in6_dev_get(dst->dev);
         IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
@@ -1562,8 +1562,8 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
                                    1, &err);
         if (buff == NULL) {
                 ND_PRINTK0(KERN_ERR
-                           "ICMPv6 Redirect: %s() failed to allocate an skb.\n",
-                           __func__);
+                           "ICMPv6 Redirect: %s() failed to allocate an skb, err=%d.\n",
+                           __func__, err);
                 goto release;
         }
 
@@ -1612,7 +1612,7 @@ void ndisc_send_redirect(struct sk_buff *skb, struct neighbour *neigh,
                                              len, IPPROTO_ICMPV6,
                                              csum_partial(icmph, len, 0));
 
-        buff->dst = dst;
+        skb_dst_set(buff, dst);
         idev = in6_dev_get(dst->dev);
         IP6_UPD_PO_STATS(net, idev, IPSTATS_MIB_OUT, skb->len);
         err = NF_HOOK(PF_INET6, NF_INET_LOCAL_OUT, buff, NULL, dst->dev,
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 834cea69fb53..d5ed92b14346 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -12,7 +12,7 @@
 
 int ip6_route_me_harder(struct sk_buff *skb)
 {
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
         struct ipv6hdr *iph = ipv6_hdr(skb);
         struct dst_entry *dst;
         struct flowi fl = {
@@ -28,9 +28,15 @@ int ip6_route_me_harder(struct sk_buff *skb)
 
 #ifdef CONFIG_XFRM
         if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
-            xfrm_decode_session(skb, &fl, AF_INET6) == 0)
-                if (xfrm_lookup(net, &skb->dst, &fl, skb->sk, 0))
+            xfrm_decode_session(skb, &fl, AF_INET6) == 0) {
+                struct dst_entry *dst2 = skb_dst(skb);
+
+                if (xfrm_lookup(net, &dst2, &fl, skb->sk, 0)) {
+                        skb_dst_set(skb, NULL);
                         return -1;
+                }
+                skb_dst_set(skb, dst2);
+        }
 #endif
 
         if (dst->error) {
@@ -41,9 +47,9 @@ int ip6_route_me_harder(struct sk_buff *skb)
         }
 
         /* Drop old route. */
-        dst_release(skb->dst);
+        skb_dst_drop(skb);
 
-        skb->dst = dst;
+        skb_dst_set(skb, dst);
         return 0;
 }
 EXPORT_SYMBOL(ip6_route_me_harder);
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 5a2d0a41694a..5a7f00cd15ce 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -112,7 +112,7 @@ static void send_reset(struct net *net, struct sk_buff *oldskb)
                 return;
         }
 
-        nskb->dst = dst;
+        skb_dst_set(nskb, dst);
 
         skb_reserve(nskb, hh_len + dst->header_len);
 
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 058a5e4a60c3..f3aba255ad9f 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -409,7 +409,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
         /* If the first fragment is fragmented itself, we split
          * it to two chunks: the first with data and paged part
          * and the second, holding only fragments. */
-        if (skb_shinfo(head)->frag_list) {
+        if (skb_has_frags(head)) {
                 struct sk_buff *clone;
                 int i, plen = 0;
 
@@ -420,7 +420,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
                 clone->next = head->next;
                 head->next = clone;
                 skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
-                skb_shinfo(head)->frag_list = NULL;
+                skb_frag_list_init(head);
                 for (i=0; i<skb_shinfo(head)->nr_frags; i++)
                         plen += skb_shinfo(head)->frags[i].size;
                 clone->len = clone->data_len = head->data_len - plen;
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index e99307fba0b1..36a090d87a3d 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -625,7 +625,7 @@ static int rawv6_send_hdrinc(struct sock *sk, void *from, int length,
 
         skb->priority = sk->sk_priority;
         skb->mark = sk->sk_mark;
-        skb->dst = dst_clone(&rt->u.dst);
+        skb_dst_set(skb, dst_clone(&rt->u.dst));
 
         skb_put(skb, length);
         skb_reset_network_header(skb);
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index e9ac7a12f595..2642a41a8535 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -267,7 +267,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
         struct sk_buff *prev, *next;
         struct net_device *dev;
         int offset, end;
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
 
         if (fq->q.last_in & INET_FRAG_COMPLETE)
                 goto err;
@@ -277,7 +277,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
                         ((u8 *)(fhdr + 1) - (u8 *)(ipv6_hdr(skb) + 1)));
 
         if ((unsigned int)end > IPV6_MAXPLEN) {
-                IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                  IPSTATS_MIB_INHDRERRORS);
                 icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
                                   ((u8 *)&fhdr->frag_off -
@@ -310,7 +310,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
                         /* RFC2460 says always send parameter problem in
                          * this case. -DaveM
                          */
-                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst),
+                        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)),
                                          IPSTATS_MIB_INHDRERRORS);
                         icmpv6_param_prob(skb, ICMPV6_HDR_FIELD,
                                           offsetof(struct ipv6hdr, payload_len));
@@ -434,7 +434,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
         return -1;
 
 err:
-        IP6_INC_STATS(net, ip6_dst_idev(skb->dst),
+        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                       IPSTATS_MIB_REASMFAILS);
         kfree_skb(skb);
         return -1;
@@ -494,7 +494,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
         /* If the first fragment is fragmented itself, we split
          * it to two chunks: the first with data and paged part
          * and the second, holding only fragments. */
-        if (skb_shinfo(head)->frag_list) {
+        if (skb_has_frags(head)) {
                 struct sk_buff *clone;
                 int i, plen = 0;
 
@@ -503,7 +503,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
                 clone->next = head->next;
                 head->next = clone;
                 skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
-                skb_shinfo(head)->frag_list = NULL;
+                skb_frag_list_init(head);
                 for (i=0; i<skb_shinfo(head)->nr_frags; i++)
                         plen += skb_shinfo(head)->frags[i].size;
                 clone->len = clone->data_len = head->data_len - plen;
@@ -576,9 +576,9 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
         struct frag_hdr *fhdr;
         struct frag_queue *fq;
         struct ipv6hdr *hdr = ipv6_hdr(skb);
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
 
-        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMREQDS);
+        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMREQDS);
 
         /* Jumbo payload inhibits frag. header */
         if (hdr->payload_len==0)
@@ -595,17 +595,17 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
                 /* It is not a fragmented frame */
                 skb->transport_header += sizeof(struct frag_hdr);
                 IP6_INC_STATS_BH(net,
-                                 ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMOKS);
+                                 ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMOKS);
 
                 IP6CB(skb)->nhoff = (u8 *)fhdr - skb_network_header(skb);
                 return 1;
         }
 
         if (atomic_read(&net->ipv6.frags.mem) > net->ipv6.frags.high_thresh)
-                ip6_evictor(net, ip6_dst_idev(skb->dst));
+                ip6_evictor(net, ip6_dst_idev(skb_dst(skb)));
 
         if ((fq = fq_find(net, fhdr->identification, &hdr->saddr, &hdr->daddr,
-                          ip6_dst_idev(skb->dst))) != NULL) {
+                          ip6_dst_idev(skb_dst(skb)))) != NULL) {
                 int ret;
 
                 spin_lock(&fq->q.lock);
@@ -617,12 +617,12 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
                 return ret;
         }
 
-        IP6_INC_STATS_BH(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_REASMFAILS);
+        IP6_INC_STATS_BH(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_REASMFAILS);
         kfree_skb(skb);
         return -1;
 
 fail_hdr:
-        IP6_INC_STATS(net, ip6_dst_idev(skb->dst), IPSTATS_MIB_INHDRERRORS);
+        IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_INHDRERRORS);
         icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, skb_network_header_len(skb));
         return -1;
 }
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 032a5ec391c5..658293ea05ba 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -800,7 +800,7 @@ void ip6_route_input(struct sk_buff *skb)
         if (rt6_need_strict(&iph->daddr) && skb->dev->type != ARPHRD_PIMREG)
                 flags |= RT6_LOOKUP_F_IFACE;
 
-        skb->dst = fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input);
+        skb_dst_set(skb, fib6_rule_lookup(net, &fl, flags, ip6_pol_route_input));
 }
 
 static struct rt6_info *ip6_pol_route_output(struct net *net, struct fib6_table *table,
@@ -911,7 +911,7 @@ static void ip6_link_failure(struct sk_buff *skb)
 
         icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0, skb->dev);
 
-        rt = (struct rt6_info *) skb->dst;
+        rt = (struct rt6_info *) skb_dst(skb);
         if (rt) {
                 if (rt->rt6i_flags&RTF_CACHE) {
                         dst_set_expires(&rt->u.dst, 0);
@@ -1868,7 +1868,7 @@ int ipv6_route_ioctl(struct net *net, unsigned int cmd, void __user *arg)
 static int ip6_pkt_drop(struct sk_buff *skb, int code, int ipstats_mib_noroutes)
 {
         int type;
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         switch (ipstats_mib_noroutes) {
         case IPSTATS_MIB_INNOROUTES:
                 type = ipv6_addr_type(&ipv6_hdr(skb)->daddr);
@@ -1895,7 +1895,7 @@ static int ip6_pkt_discard(struct sk_buff *skb)
 
 static int ip6_pkt_discard_out(struct sk_buff *skb)
 {
-        skb->dev = skb->dst->dev;
+        skb->dev = skb_dst(skb)->dev;
         return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_OUTNOROUTES);
 }
 
@@ -1908,7 +1908,7 @@ static int ip6_pkt_prohibit(struct sk_buff *skb)
 
 static int ip6_pkt_prohibit_out(struct sk_buff *skb)
 {
-        skb->dev = skb->dst->dev;
+        skb->dev = skb_dst(skb)->dev;
         return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);
 }
 
@@ -2366,7 +2366,7 @@ static int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void
         skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr));
 
         rt = (struct rt6_info*) ip6_route_output(net, NULL, &fl);
-        skb->dst = &rt->u.dst;
+        skb_dst_set(skb, &rt->u.dst);
 
         err = rt6_fill_node(net, skb, rt, &fl.fl6_dst, &fl.fl6_src, iif,
                             RTM_NEWROUTE, NETLINK_CB(in_skb).pid,
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b3a59bd40f01..68e52308e552 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -575,8 +575,7 @@ static int ipip6_rcv(struct sk_buff *skb)
                 tunnel->dev->stats.rx_packets++;
                 tunnel->dev->stats.rx_bytes += skb->len;
                 skb->dev = tunnel->dev;
-                dst_release(skb->dst);
-                skb->dst = NULL;
+                skb_dst_drop(skb);
                 nf_reset(skb);
                 ipip6_ecn_decapsulate(iph, skb);
                 netif_rx(skb);
@@ -638,8 +637,8 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         if (dev->priv_flags & IFF_ISATAP) {
                 struct neighbour *neigh = NULL;
 
-                if (skb->dst)
-                        neigh = skb->dst->neighbour;
+                if (skb_dst(skb))
+                        neigh = skb_dst(skb)->neighbour;
 
                 if (neigh == NULL) {
                         if (net_ratelimit())
@@ -663,8 +662,8 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         if (!dst) {
                 struct neighbour *neigh = NULL;
 
-                if (skb->dst)
-                        neigh = skb->dst->neighbour;
+                if (skb_dst(skb))
+                        neigh = skb_dst(skb)->neighbour;
 
                 if (neigh == NULL) {
                         if (net_ratelimit())
@@ -714,7 +713,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         if (tiph->frag_off)
                 mtu = dst_mtu(&rt->u.dst) - sizeof(struct iphdr);
         else
-                mtu = skb->dst ? dst_mtu(skb->dst) : dev->mtu;
+                mtu = skb_dst(skb) ? dst_mtu(skb_dst(skb)) : dev->mtu;
 
         if (mtu < 68) {
                 stats->collisions++;
@@ -723,8 +722,8 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         }
         if (mtu < IPV6_MIN_MTU)
                 mtu = IPV6_MIN_MTU;
-        if (tunnel->parms.iph.daddr && skb->dst)
-                skb->dst->ops->update_pmtu(skb->dst, mtu);
+        if (tunnel->parms.iph.daddr && skb_dst(skb))
+                skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
         if (skb->len > mtu) {
                 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
@@ -768,8 +767,8 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
         skb_reset_network_header(skb);
         memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
         IPCB(skb)->flags = 0;
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /*
          *      Push down and install the IPIP header.
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index ea37741062a9..53b6a4192b16 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -981,9 +981,10 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
         struct tcphdr *th = tcp_hdr(skb), *t1;
         struct sk_buff *buff;
         struct flowi fl;
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
         struct sock *ctl_sk = net->ipv6.tcp_sk;
         unsigned int tot_len = sizeof(struct tcphdr);
+        struct dst_entry *dst;
         __be32 *topt;
 
         if (ts)
@@ -1052,8 +1053,9 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win,
          * Underlying function will use this to retrieve the network
          * namespace
          */
-        if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) {
-                if (xfrm_lookup(net, &buff->dst, &fl, NULL, 0) >= 0) {
+        if (!ip6_dst_lookup(ctl_sk, &dst, &fl)) {
+                if (xfrm_lookup(net, &dst, &fl, NULL, 0) >= 0) {
+                        skb_dst_set(buff, dst);
                         ip6_xmit(ctl_sk, buff, &fl, NULL, 0);
                         TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
                         if (rst)
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 8905712cfbb8..fc333d854728 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -177,10 +177,9 @@ static struct sock *__udp6_lib_lookup_skb(struct sk_buff *skb,
 
         if (unlikely(sk = skb_steal_sock(skb)))
                 return sk;
-        else
-                return __udp6_lib_lookup(dev_net(skb->dst->dev), &iph->saddr, sport,
-                                         &iph->daddr, dport, inet6_iif(skb),
-                                         udptable);
+        return __udp6_lib_lookup(dev_net(skb_dst(skb)->dev), &iph->saddr, sport,
+                                 &iph->daddr, dport, inet6_iif(skb),
+                                 udptable);
 }
 
 /*
diff --git a/net/ipv6/xfrm6_mode_tunnel.c b/net/ipv6/xfrm6_mode_tunnel.c
index e20529b4c825..3927832227b9 100644
--- a/net/ipv6/xfrm6_mode_tunnel.c
+++ b/net/ipv6/xfrm6_mode_tunnel.c
@@ -31,7 +31,7 @@ static inline void ipip6_ecn_decapsulate(struct sk_buff *skb)
  */
 static int xfrm6_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct ipv6hdr *top_iph;
         int dsfield;
 
@@ -45,7 +45,7 @@ static int xfrm6_mode_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
 
         memcpy(top_iph->flow_lbl, XFRM_MODE_SKB_CB(skb)->flow_lbl,
                sizeof(top_iph->flow_lbl));
-        top_iph->nexthdr = xfrm_af2proto(skb->dst->ops->family);
+        top_iph->nexthdr = xfrm_af2proto(skb_dst(skb)->ops->family);
 
         dsfield = XFRM_MODE_SKB_CB(skb)->tos;
         dsfield = INET_ECN_encapsulate(dsfield, dsfield);
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 5ee5a031bc93..c4f4eef032a3 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -30,7 +30,7 @@ EXPORT_SYMBOL(xfrm6_find_1stfragopt);
 static int xfrm6_tunnel_check_size(struct sk_buff *skb)
 {
         int mtu, ret = 0;
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
 
         mtu = dst_mtu(dst);
         if (mtu < IPV6_MIN_MTU)
@@ -90,6 +90,6 @@ static int xfrm6_output_finish(struct sk_buff *skb)
 
 int xfrm6_output(struct sk_buff *skb)
 {
-        return NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, skb, NULL, skb->dst->dev,
+        return NF_HOOK(PF_INET6, NF_INET_POST_ROUTING, skb, NULL, skb_dst(skb)->dev,
                        xfrm6_output_finish);
 }
diff --git a/net/irda/irlap_frame.c b/net/irda/irlap_frame.c
index 2562ebc1b22c..7af2e74deda8 100644
--- a/net/irda/irlap_frame.c
+++ b/net/irda/irlap_frame.c
@@ -982,17 +982,12 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
 {
         struct sk_buff *tx_skb;
         struct sk_buff *skb;
-        int count;
 
         IRDA_ASSERT(self != NULL, return;);
         IRDA_ASSERT(self->magic == LAP_MAGIC, return;);
 
-        /* Initialize variables */
-        count = skb_queue_len(&self->wx_list);
-
         /*  Resend unacknowledged frame(s) */
-        skb = skb_peek(&self->wx_list);
-        while (skb != NULL) {
+        skb_queue_walk(&self->wx_list, skb) {
                 irlap_wait_min_turn_around(self, &self->qos_tx);
 
                 /* We copy the skb to be retransmitted since we will have to
@@ -1011,21 +1006,12 @@ void irlap_resend_rejected_frames(struct irlap_cb *self, int command)
                 /*
                  *  Set poll bit on the last frame retransmitted
                  */
-                if (count-- == 1)
+                if (skb_queue_is_last(&self->wx_list, skb))
                         tx_skb->data[1] |= PF_BIT; /* Set p/f bit */
                 else
                         tx_skb->data[1] &= ~PF_BIT; /* Clear p/f bit */
 
                 irlap_send_i_frame(self, tx_skb, command);
-
-                /*
-                 *  If our skb is the last buffer in the list, then
-                 *  we are finished, if not, move to the next sk-buffer
-                 */
-                if (skb == skb_peek_tail(&self->wx_list))
-                        skb = NULL;
-                else
-                        skb = skb->next;
         }
 #if 0 /* Not yet */
         /*
diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index 3477624a4906..c6bab39b018e 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -79,10 +79,6 @@ int llc_conn_state_process(struct sock *sk, struct sk_buff *skb)
 
         if (unlikely(!ev->ind_prim && !ev->cfm_prim)) {
                 /* indicate or confirm not required */
-                /* XXX this is not very pretty, perhaps we should store
-                 * XXX indicate/confirm-needed state in the llc_conn_state_ev
-                 * XXX control block of the SKB instead? -DaveM
-                 */
                 if (!skb->next)
                         goto out_kfree_skb;
                 goto out_skb_put;
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 9cbf545e95a2..ba2643a43c73 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -1,16 +1,19 @@
 config MAC80211
         tristate "Generic IEEE 802.11 Networking Stack (mac80211)"
+        depends on CFG80211
         select CRYPTO
         select CRYPTO_ECB
         select CRYPTO_ARC4
         select CRYPTO_AES
         select CRC32
         select WIRELESS_EXT
-        select CFG80211
         ---help---
           This option enables the hardware independent IEEE 802.11
           networking stack.
 
+comment "CFG80211 needs to be enabled for MAC80211"
+        depends on CFG80211=n
+
 config MAC80211_DEFAULT_PS
         bool "enable powersave by default"
         depends on MAC80211
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 43d00ffd3988..9e5762ad307d 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -132,6 +132,9 @@ static int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid,
 
         state = &sta->ampdu_mlme.tid_state_tx[tid];
 
+        if (*state == HT_AGG_STATE_OPERATIONAL)
+                sta->ampdu_mlme.addba_req_num[tid] = 0;
+
         *state = HT_AGG_STATE_REQ_STOP_BA_MSK |
                 (initiator << HT_AGG_STATE_INITIATOR_SHIFT);
 
@@ -337,6 +340,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
                          sta->ampdu_mlme.tid_tx[tid]->dialog_token,
                          sta->ampdu_mlme.tid_tx[tid]->ssn,
                          0x40, 5000);
+        sta->ampdu_mlme.addba_req_num[tid]++;
         /* activate the timer for the recipient's addBA response */
         sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.expires =
                                 jiffies + ADDBA_RESP_INTERVAL;
@@ -606,7 +610,6 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
 
         *state = HT_AGG_STATE_IDLE;
         /* from now on packets are no longer put onto sta->pending */
-        sta->ampdu_mlme.addba_req_num[tid] = 0;
         kfree(sta->ampdu_mlme.tid_tx[tid]);
         sta->ampdu_mlme.tid_tx[tid] = NULL;
 
@@ -689,7 +692,6 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local,
 
                 sta->ampdu_mlme.addba_req_num[tid] = 0;
         } else {
-                sta->ampdu_mlme.addba_req_num[tid]++;
                 ___ieee80211_stop_tx_ba_session(sta, tid, WLAN_BACK_INITIATOR);
         }
         spin_unlock_bh(&sta->lock);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 77e9ff5ec4f3..3f47276caeb8 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -664,18 +664,19 @@ static void sta_apply_parameters(struct ieee80211_local *local,
         spin_unlock_bh(&sta->lock);
 
         /*
+         * cfg80211 validates this (1-2007) and allows setting the AID
+         * only when creating a new station entry
+         */
+        if (params->aid)
+                sta->sta.aid = params->aid;
+
+        /*
          * FIXME: updating the following information is racy when this
          *        function is called from ieee80211_change_station().
          *        However, all this information should be static so
          *        maybe we should just reject attemps to change it.
          */
 
-        if (params->aid) {
-                sta->sta.aid = params->aid;
-                if (sta->sta.aid > IEEE80211_MAX_AID)
-                        sta->sta.aid = 0; /* XXX: should this be an error? */
-        }
-
         if (params->listen_interval >= 0)
                 sta->listen_interval = params->listen_interval;
 
@@ -1121,8 +1122,8 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
         p.txop = params->txop;
         if (drv_conf_tx(local, params->queue, &p)) {
                 printk(KERN_DEBUG "%s: failed to set TX queue "
-                       "parameters for queue %d\n", local->mdev->name,
-                       params->queue);
+                       "parameters for queue %d\n",
+                       wiphy_name(local->hw.wiphy), params->queue);
                 return -EINVAL;
         }
 
@@ -1255,7 +1256,7 @@ static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
                 sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
 
         ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
-        if (ret)
+        if (ret && ret != -EALREADY)
                 return ret;
 
         if (req->use_mfp) {
@@ -1333,6 +1334,53 @@ static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
         return 0;
 }
 
+static int ieee80211_set_tx_power(struct wiphy *wiphy,
+                                  enum tx_power_setting type, int dbm)
+{
+        struct ieee80211_local *local = wiphy_priv(wiphy);
+        struct ieee80211_channel *chan = local->hw.conf.channel;
+        u32 changes = 0;
+
+        switch (type) {
+        case TX_POWER_AUTOMATIC:
+                local->user_power_level = -1;
+                break;
+        case TX_POWER_LIMITED:
+                if (dbm < 0)
+                        return -EINVAL;
+                local->user_power_level = dbm;
+                break;
+        case TX_POWER_FIXED:
+                if (dbm < 0)
+                        return -EINVAL;
+                /* TODO: move to cfg80211 when it knows the channel */
+                if (dbm > chan->max_power)
+                        return -EINVAL;
+                local->user_power_level = dbm;
+                break;
+        }
+
+        ieee80211_hw_config(local, changes);
+
+        return 0;
+}
+
+static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
+{
+        struct ieee80211_local *local = wiphy_priv(wiphy);
+
+        *dbm = local->hw.conf.power_level;
+
+        return 0;
+}
+
+static void ieee80211_rfkill_poll(struct wiphy *wiphy)
+{
+        struct ieee80211_local *local = wiphy_priv(wiphy);
+
+        drv_rfkill_poll(local);
+}
+
 struct cfg80211_ops mac80211_config_ops = {
         .add_virtual_intf = ieee80211_add_iface,
         .del_virtual_intf = ieee80211_del_iface,
@@ -1372,4 +1420,7 @@ struct cfg80211_ops mac80211_config_ops = {
         .join_ibss = ieee80211_join_ibss,
         .leave_ibss = ieee80211_leave_ibss,
         .set_wiphy_params = ieee80211_set_wiphy_params,
+        .set_tx_power = ieee80211_set_tx_power,
+        .get_tx_power = ieee80211_get_tx_power,
+        .rfkill_poll = ieee80211_rfkill_poll,
 };
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 3912b5334b9c..b13446afd48f 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -181,4 +181,11 @@ static inline int drv_ampdu_action(struct ieee80211_local *local,
                                                 sta, tid, ssn);
         return -EOPNOTSUPP;
 }
+
+
+static inline void drv_rfkill_poll(struct ieee80211_local *local)
+{
+        if (local->ops->rfkill_poll)
+                local->ops->rfkill_poll(&local->hw);
+}
 #endif /* __MAC80211_DRIVER_OPS */
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c088c46704a3..4dbc28964196 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -589,6 +589,7 @@ enum queue_stop_reason {
         IEEE80211_QUEUE_STOP_REASON_AGGREGATION,
         IEEE80211_QUEUE_STOP_REASON_SUSPEND,
         IEEE80211_QUEUE_STOP_REASON_PENDING,
+        IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
 };
 
 struct ieee80211_master_priv {
@@ -1121,6 +1122,10 @@ void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue,
                                     enum queue_stop_reason reason);
 void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
                                     enum queue_stop_reason reason);
+void ieee80211_add_pending_skb(struct ieee80211_local *local,
+                               struct sk_buff *skb);
+int ieee80211_add_pending_skbs(struct ieee80211_local *local,
+                               struct sk_buff_head *skbs);
 
 void ieee80211_send_auth(struct ieee80211_sub_if_data *sdata,
                          u16 transaction, u16 auth_alg,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 8c9f1c722cdb..b7c8a4484298 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -170,7 +170,7 @@ static int ieee80211_open(struct net_device *dev)
                         goto err_del_bss;
                 /* we're brought up, everything changes */
                 hw_reconf_flags = ~0;
-                ieee80211_led_radio(local, local->hw.conf.radio_enabled);
+                ieee80211_led_radio(local, true);
         }
 
         /*
@@ -560,7 +560,7 @@ static int ieee80211_stop(struct net_device *dev)
 
                 drv_stop(local);
 
-                ieee80211_led_radio(local, 0);
+                ieee80211_led_radio(local, false);
 
                 flush_workqueue(local->hw.workqueue);
 
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 6b7e92eaab47..092a017b237e 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -289,16 +289,8 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
         drv_bss_info_changed(local, &sdata->vif,
                              &sdata->vif.bss_conf, changed);
 
-        /*
-         * DEPRECATED
-         *
-         * ~changed is just there to not do this at resume time
-         */
-        if (changed & BSS_CHANGED_BEACON_INT && ~changed) {
-                local->hw.conf.beacon_int = sdata->vif.bss_conf.beacon_int;
-                ieee80211_hw_config(local,
-                                    _IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
-        }
+        /* DEPRECATED */
+        local->hw.conf.beacon_int = sdata->vif.bss_conf.beacon_int;
 }
 
 u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
@@ -377,60 +369,12 @@ static void ieee80211_tasklet_handler(unsigned long data)
         }
 }
 
-/* Remove added headers (e.g., QoS control), encryption header/MIC, etc. to
- * make a prepared TX frame (one that has been given to hw) to look like brand
- * new IEEE 802.11 frame that is ready to go through TX processing again.
- */
-static void ieee80211_remove_tx_extra(struct ieee80211_local *local,
-                                      struct ieee80211_key *key,
-                                      struct sk_buff *skb)
-{
-        unsigned int hdrlen, iv_len, mic_len;
-        struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
-
-        hdrlen = ieee80211_hdrlen(hdr->frame_control);
-
-        if (!key)
-                goto no_key;
-
-        switch (key->conf.alg) {
-        case ALG_WEP:
-                iv_len = WEP_IV_LEN;
-                mic_len = WEP_ICV_LEN;
-                break;
-        case ALG_TKIP:
-                iv_len = TKIP_IV_LEN;
-                mic_len = TKIP_ICV_LEN;
-                break;
-        case ALG_CCMP:
-                iv_len = CCMP_HDR_LEN;
-                mic_len = CCMP_MIC_LEN;
-                break;
-        default:
-                goto no_key;
-        }
-
-        if (skb->len >= hdrlen + mic_len &&
-            !(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
-                skb_trim(skb, skb->len - mic_len);
-        if (skb->len >= hdrlen + iv_len) {
-                memmove(skb->data + iv_len, skb->data, hdrlen);
-                hdr = (struct ieee80211_hdr *)skb_pull(skb, iv_len);
-        }
-
-no_key:
-        if (ieee80211_is_data_qos(hdr->frame_control)) {
-                hdr->frame_control &= ~cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
-                memmove(skb->data + IEEE80211_QOS_CTL_LEN, skb->data,
-                        hdrlen - IEEE80211_QOS_CTL_LEN);
-                skb_pull(skb, IEEE80211_QOS_CTL_LEN);
-        }
-}
-
 static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
                                             struct sta_info *sta,
                                             struct sk_buff *skb)
 {
+        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
         sta->tx_filtered_count++;
 
         /*
@@ -472,16 +416,15 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
          */
         if (test_sta_flags(sta, WLAN_STA_PS) &&
             skb_queue_len(&sta->tx_filtered) < STA_MAX_TX_BUFFER) {
-                ieee80211_remove_tx_extra(local, sta->key, skb);
                 skb_queue_tail(&sta->tx_filtered, skb);
                 return;
         }
 
-        if (!test_sta_flags(sta, WLAN_STA_PS) && !skb->requeue) {
+        if (!test_sta_flags(sta, WLAN_STA_PS) &&
+            !(info->flags & IEEE80211_TX_INTFL_RETRIED)) {
                 /* Software retry the packet once */
-                skb->requeue = 1;
-                ieee80211_remove_tx_extra(local, sta->key, skb);
-                dev_queue_xmit(skb);
+                info->flags |= IEEE80211_TX_INTFL_RETRIED;
+                ieee80211_add_pending_skb(local, skb);
                 return;
         }
 
@@ -735,9 +678,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
          * +-------------------------+
          *
          */
-        priv_size = ((sizeof(struct ieee80211_local) +
-                      NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST) +
-                    priv_data_len;
+        priv_size = ALIGN(sizeof(*local), NETDEV_ALIGN) + priv_data_len;
 
         wiphy = wiphy_new(&mac80211_config_ops, priv_size);
 
@@ -754,9 +695,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
 
         local->hw.wiphy = wiphy;
 
-        local->hw.priv = (char *)local +
-                         ((sizeof(struct ieee80211_local) +
-                           NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST);
+        local->hw.priv = (char *)local + ALIGN(sizeof(*local), NETDEV_ALIGN);
 
         BUG_ON(!ops->tx);
         BUG_ON(!ops->start);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 509469cb9265..d779c57a8220 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -621,9 +621,6 @@ static void ieee80211_change_ps(struct ieee80211_local *local)
         struct ieee80211_conf *conf = &local->hw.conf;
 
         if (local->ps_sdata) {
-                if (!(local->ps_sdata->u.mgd.flags & IEEE80211_STA_ASSOCIATED))
-                        return;
-
                 ieee80211_enable_ps(local, local->ps_sdata);
         } else if (conf->flags & IEEE80211_CONF_PS) {
                 conf->flags &= ~IEEE80211_CONF_PS;
@@ -653,7 +650,9 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
                 count++;
         }
 
-        if (count == 1 && found->u.mgd.powersave) {
+        if (count == 1 && found->u.mgd.powersave &&
+            (found->u.mgd.flags & IEEE80211_STA_ASSOCIATED) &&
+            !(found->u.mgd.flags & IEEE80211_STA_PROBEREQ_POLL)) {
                 s32 beaconint_us;
 
                 if (latency < 0)
@@ -793,13 +792,13 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local,
 #ifdef CONFIG_MAC80211_VERBOSE_DEBUG
                 printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
                        "cWmin=%d cWmax=%d txop=%d\n",
-                       local->mdev->name, queue, aci, acm, params.aifs, params.cw_min,
-                       params.cw_max, params.txop);
+                       wiphy_name(local->hw.wiphy), queue, aci, acm,
+                       params.aifs, params.cw_min, params.cw_max, params.txop);
 #endif
                 if (drv_conf_tx(local, queue, &params) && local->ops->conf_tx)
                         printk(KERN_DEBUG "%s: failed to set TX queue "
-                               "parameters for queue %d\n", local->mdev->name,
-                               queue);
+                               "parameters for queue %d\n",
+                               wiphy_name(local->hw.wiphy), queue);
         }
 }
 
@@ -1322,6 +1321,11 @@ void ieee80211_beacon_loss_work(struct work_struct *work)
 #endif
 
         ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
+
+        mutex_lock(&sdata->local->iflist_mtx);
+        ieee80211_recalc_ps(sdata->local, -1);
+        mutex_unlock(&sdata->local->iflist_mtx);
+
         ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
                                  ifmgd->ssid_len, NULL, 0);
 
@@ -1342,6 +1346,7 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
         struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
         struct ieee80211_local *local = sdata->local;
         struct sta_info *sta;
+        unsigned long last_rx;
         bool disassoc = false;
 
         /* TODO: start monitoring current AP signal quality and number of
@@ -1358,17 +1363,21 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
                 printk(KERN_DEBUG "%s: No STA entry for own AP %pM\n",
                        sdata->dev->name, ifmgd->bssid);
                 disassoc = true;
-                goto unlock;
+                rcu_read_unlock();
+                goto out;
         }
 
+        last_rx = sta->last_rx;
+        rcu_read_unlock();
+
         if ((ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL) &&
-            time_after(jiffies, sta->last_rx + IEEE80211_PROBE_WAIT)) {
+            time_after(jiffies, last_rx + IEEE80211_PROBE_WAIT)) {
                 printk(KERN_DEBUG "%s: no probe response from AP %pM "
                        "- disassociating\n",
                        sdata->dev->name, ifmgd->bssid);
                 disassoc = true;
                 ifmgd->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
-                goto unlock;
+                goto out;
         }
 
         /*
@@ -1387,26 +1396,29 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata)
                 }
 #endif
                 ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
+                mutex_lock(&local->iflist_mtx);
+                ieee80211_recalc_ps(local, -1);
+                mutex_unlock(&local->iflist_mtx);
                 ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
                                          ifmgd->ssid_len, NULL, 0);
                 mod_timer(&ifmgd->timer, jiffies + IEEE80211_PROBE_WAIT);
-                goto unlock;
+                goto out;
         }
 
-        if (time_after(jiffies, sta->last_rx + IEEE80211_PROBE_IDLE_TIME)) {
+        if (time_after(jiffies, last_rx + IEEE80211_PROBE_IDLE_TIME)) {
                 ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL;
+                mutex_lock(&local->iflist_mtx);
+                ieee80211_recalc_ps(local, -1);
+                mutex_unlock(&local->iflist_mtx);
                 ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid,
                                          ifmgd->ssid_len, NULL, 0);
         }
 
+ out:
         if (!disassoc)
                 mod_timer(&ifmgd->timer,
                           jiffies + IEEE80211_MONITORING_INTERVAL);
-
- unlock:
-        rcu_read_unlock();
-
-        if (disassoc)
+        else
                 ieee80211_set_disassoc(sdata, true, true,
                                         WLAN_REASON_PREV_AUTH_NOT_VALID);
 }
@@ -1889,8 +1901,12 @@ static void ieee80211_rx_mgmt_probe_resp(struct ieee80211_sub_if_data *sdata,
                 ieee80211_authenticate(sdata);
         }
 
-        if (ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL)
+        if (ifmgd->flags & IEEE80211_STA_PROBEREQ_POLL) {
                 ifmgd->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
+                mutex_lock(&sdata->local->iflist_mtx);
+                ieee80211_recalc_ps(sdata->local, -1);
+                mutex_unlock(&sdata->local->iflist_mtx);
+        }
 }
 
 /*
@@ -1948,6 +1964,9 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,
                 }
 #endif
                 ifmgd->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
+                mutex_lock(&local->iflist_mtx);
+                ieee80211_recalc_ps(local, -1);
+                mutex_unlock(&local->iflist_mtx);
         }
 
         ncrc = crc32_be(0, (void *)&mgmt->u.beacon.beacon_int, 4);
diff --git a/net/mac80211/rc80211_minstrel.c b/net/mac80211/rc80211_minstrel.c
index 0a11515341ba..b218b98fba7f 100644
--- a/net/mac80211/rc80211_minstrel.c
+++ b/net/mac80211/rc80211_minstrel.c
@@ -215,7 +215,7 @@ minstrel_get_next_sample(struct minstrel_sta_info *mi)
         unsigned int sample_ndx;
         sample_ndx = SAMPLE_TBL(mi, mi->sample_idx, mi->sample_column);
         mi->sample_idx++;
-        if (mi->sample_idx > (mi->n_rates - 2)) {
+        if ((int) mi->sample_idx > (mi->n_rates - 2)) {
                 mi->sample_idx = 0;
                 mi->sample_column++;
                 if (mi->sample_column >= SAMPLE_COLUMNS)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 6a9b8e63a6bf..de5bba7f910a 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -797,8 +797,7 @@ static int ap_sta_ps_end(struct sta_info *sta)
 {
         struct ieee80211_sub_if_data *sdata = sta->sdata;
         struct ieee80211_local *local = sdata->local;
-        struct sk_buff *skb;
-        int sent = 0;
+        int sent, buffered;
 
         atomic_dec(&sdata->bss->num_sta_ps);
 
@@ -814,22 +813,16 @@ static int ap_sta_ps_end(struct sta_info *sta)
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
 
         /* Send all buffered frames to the station */
-        while ((skb = skb_dequeue(&sta->tx_filtered)) != NULL) {
-                sent++;
-                skb->requeue = 1;
-                dev_queue_xmit(skb);
-        }
-        while ((skb = skb_dequeue(&sta->ps_tx_buf)) != NULL) {
-                local->total_ps_buffered--;
-                sent++;
+        sent = ieee80211_add_pending_skbs(local, &sta->tx_filtered);
+        buffered = ieee80211_add_pending_skbs(local, &sta->ps_tx_buf);
+        sent += buffered;
+        local->total_ps_buffered -= buffered;
+
 #ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
-                printk(KERN_DEBUG "%s: STA %pM aid %d send PS frame "
-                       "since STA not sleeping anymore\n", sdata->dev->name,
-                       sta->sta.addr, sta->sta.aid);
+        printk(KERN_DEBUG "%s: STA %pM aid %d sending %d filtered/%d PS frames "
+               "since STA not sleeping anymore\n", sdata->dev->name,
+               sta->sta.addr, sta->sta.aid, sent - buffered, buffered);
 #endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
-                skb->requeue = 1;
-                dev_queue_xmit(skb);
-        }
 
         return sent;
 }
@@ -1335,7 +1328,7 @@ ieee80211_deliver_skb(struct ieee80211_rx_data *rx)
                  * mac80211. That also explains the __skb_push()
                  * below.
                  */
-                align = (unsigned long)skb->data & 3;
+                align = ((unsigned long)(skb->data + sizeof(struct ethhdr))) & 3;
                 if (align) {
                         if (WARN_ON(skb_headroom(skb) < 3)) {
                                 dev_kfree_skb(skb);
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index d5611d8fd0d6..a360bceeba59 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -44,6 +44,15 @@
  * When the insertion fails (sta_info_insert()) returns non-zero), the
  * structure will have been freed by sta_info_insert()!
  *
+ * sta entries are added by mac80211 when you establish a link with a
+ * peer. This means different things for the different type of interfaces
+ * we support. For a regular station this mean we add the AP sta when we
+ * receive an assocation response from the AP. For IBSS this occurs when
+ * we receive a probe response or a beacon from target IBSS network. For
+ * WDS we add the sta for the peer imediately upon device open. When using
+ * AP mode we add stations for each respective station upon request from
+ * userspace through nl80211.
+ *
  * Because there are debugfs entries for each station, and adding those
  * must be able to sleep, it is also possible to "pin" a station entry,
  * that means it can be removed from the hash table but not be freed.
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a910148b8228..364222bfb10d 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -400,6 +400,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
                         sta_info_set_tim_bit(sta);
 
                 info->control.jiffies = jiffies;
+                info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
                 skb_queue_tail(&sta->ps_tx_buf, tx->skb);
                 return TX_QUEUED;
         }
@@ -420,7 +421,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
                  * frame filtering and keeps a station  blacklist on its own
                  * (e.g: p54), so that frames can be delivered unimpeded.
                  *
-                 * Note: It should be save to disable the filter now.
+                 * Note: It should be safe to disable the filter now.
                  * As, it is really unlikely that we still have any pending
                  * frame for this station in the hw's buffers/fifos left,
                  * that is not rejected with a unsuccessful tx_status yet.
@@ -907,9 +908,8 @@ ieee80211_tx_h_stats(struct ieee80211_tx_data *tx)
  * deal with packet injection down monitor interface
  * with Radiotap Header -- only called for monitor mode interface
  */
-static ieee80211_tx_result
-__ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
-                              struct sk_buff *skb)
+static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
+                                          struct sk_buff *skb)
 {
         /*
          * this is the moment to interpret and discard the radiotap header that
@@ -960,7 +960,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
                                  * on transmission
                                  */
                                 if (skb->len < (iterator.max_length + FCS_LEN))
-                                        return TX_DROP;
+                                        return false;
 
                                 skb_trim(skb, skb->len - FCS_LEN);
                         }
@@ -982,7 +982,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
         }
 
         if (ret != -ENOENT) /* ie, if we didn't simply run out of fields */
-                return TX_DROP;
+                return false;
 
         /*
          * remove the radiotap header
@@ -991,7 +991,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
          */
         skb_pull(skb, iterator.max_length);
 
-        return TX_CONTINUE;
+        return true;
 }
 
 /*
@@ -1025,7 +1025,7 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx,
         /* process and remove the injection radiotap header */
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
         if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED)) {
-                if (__ieee80211_parse_tx_radiotap(tx, skb) == TX_DROP)
+                if (!__ieee80211_parse_tx_radiotap(tx, skb))
                         return TX_DROP;
 
                 /*
@@ -1238,7 +1238,6 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
                          bool txpending)
 {
         struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-        struct sta_info *sta;
         struct ieee80211_tx_data tx;
         ieee80211_tx_result res_prepare;
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1270,7 +1269,6 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb,
                 return;
         }
 
-        sta = tx.sta;
         tx.channel = local->hw.conf.channel;
         info->band = tx.channel->band;
 
@@ -1417,7 +1415,8 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev)
         }
 
         if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
-            local->hw.conf.dynamic_ps_timeout > 0) {
+            local->hw.conf.dynamic_ps_timeout > 0 &&
+            !local->sw_scanning && !local->hw_scanning && local->ps_sdata) {
                 if (local->hw.conf.flags & IEEE80211_CONF_PS) {
                         ieee80211_stop_queues_by_reason(&local->hw,
                                         IEEE80211_QUEUE_STOP_REASON_PS);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 949d857debd8..66ce96a69f31 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -341,6 +341,52 @@ void ieee80211_stop_queue(struct ieee80211_hw *hw, int queue)
 }
 EXPORT_SYMBOL(ieee80211_stop_queue);
 
+void ieee80211_add_pending_skb(struct ieee80211_local *local,
+                               struct sk_buff *skb)
+{
+        struct ieee80211_hw *hw = &local->hw;
+        unsigned long flags;
+        int queue = skb_get_queue_mapping(skb);
+
+        spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+        __ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
+        __ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_PENDING);
+        skb_queue_tail(&local->pending[queue], skb);
+        __ieee80211_wake_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
+        spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+}
+
+int ieee80211_add_pending_skbs(struct ieee80211_local *local,
+                               struct sk_buff_head *skbs)
+{
+        struct ieee80211_hw *hw = &local->hw;
+        struct sk_buff *skb;
+        unsigned long flags;
+        int queue, ret = 0, i;
+
+        spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+        for (i = 0; i < hw->queues; i++)
+                __ieee80211_stop_queue(hw, i,
+                        IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
+
+        while ((skb = skb_dequeue(skbs))) {
+                ret++;
+                queue = skb_get_queue_mapping(skb);
+                skb_queue_tail(&local->pending[queue], skb);
+        }
+
+        for (i = 0; i < hw->queues; i++) {
+                if (ret)
+                        __ieee80211_stop_queue(hw, i,
+                                IEEE80211_QUEUE_STOP_REASON_PENDING);
+                __ieee80211_wake_queue(hw, i,
+                        IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
+        }
+        spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
+        return ret;
+}
+
 void ieee80211_stop_queues_by_reason(struct ieee80211_hw *hw,
                                     enum queue_stop_reason reason)
 {
@@ -657,15 +703,15 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata)
 
                 switch (queue) {
                 case 3: /* AC_BK */
-                        qparam.cw_max = aCWmin;
-                        qparam.cw_min = aCWmax;
+                        qparam.cw_max = aCWmax;
+                        qparam.cw_min = aCWmin;
                         qparam.txop = 0;
                         qparam.aifs = 7;
                         break;
                 default: /* never happens but let's not leave undefined */
                 case 2: /* AC_BE */
-                        qparam.cw_max = aCWmin;
-                        qparam.cw_min = aCWmax;
+                        qparam.cw_max = aCWmax;
+                        qparam.cw_min = aCWmin;
                         qparam.txop = 0;
                         qparam.aifs = 3;
                         break;
@@ -973,7 +1019,7 @@ int ieee80211_reconfig(struct ieee80211_local *local)
         if (local->open_count) {
                 res = drv_start(local);
 
-                ieee80211_led_radio(local, hw->conf.radio_enabled);
+                ieee80211_led_radio(local, true);
         }
 
         /* add interfaces */
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
index a01154e127f0..d2d81b103341 100644
--- a/net/mac80211/wext.c
+++ b/net/mac80211/wext.c
@@ -306,82 +306,6 @@ static int ieee80211_ioctl_giwrate(struct net_device *dev,
         return 0;
 }
 
-static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
-                                      struct iw_request_info *info,
-                                      union iwreq_data *data, char *extra)
-{
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-        struct ieee80211_channel* chan = local->hw.conf.channel;
-        bool reconf = false;
-        u32 reconf_flags = 0;
-        int new_power_level;
-
-        if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
-                return -EINVAL;
-        if (data->txpower.flags & IW_TXPOW_RANGE)
-                return -EINVAL;
-        if (!chan)
-                return -EINVAL;
-
-        /* only change when not disabling */
-        if (!data->txpower.disabled) {
-                if (data->txpower.fixed) {
-                        if (data->txpower.value < 0)
-                                return -EINVAL;
-                        new_power_level = data->txpower.value;
-                        /*
-                         * Debatable, but we cannot do a fixed power
-                         * level above the regulatory constraint.
-                         * Use "iwconfig wlan0 txpower 15dBm" instead.
-                         */
-                        if (new_power_level > chan->max_power)
-                                return -EINVAL;
-                } else {
-                        /*
-                         * Automatic power level setting, max being the value
-                         * passed in from userland.
-                         */
-                        if (data->txpower.value < 0)
-                                new_power_level = -1;
-                        else
-                                new_power_level = data->txpower.value;
-                }
-
-                reconf = true;
-
-                /*
-                 * ieee80211_hw_config() will limit to the channel's
-                 * max power and possibly power constraint from AP.
-                 */
-                local->user_power_level = new_power_level;
-        }
-
-        if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
-                local->hw.conf.radio_enabled = !(data->txpower.disabled);
-                reconf_flags |= IEEE80211_CONF_CHANGE_RADIO_ENABLED;
-                ieee80211_led_radio(local, local->hw.conf.radio_enabled);
-        }
-
-        if (reconf || reconf_flags)
-                ieee80211_hw_config(local, reconf_flags);
-
-        return 0;
-}
-
-static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
-                                   struct iw_request_info *info,
-                                   union iwreq_data *data, char *extra)
-{
-        struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
-        data->txpower.fixed = 1;
-        data->txpower.disabled = !(local->hw.conf.radio_enabled);
-        data->txpower.value = local->hw.conf.power_level;
-        data->txpower.flags = IW_TXPOW_DBM;
-
-        return 0;
-}
-
 static int ieee80211_ioctl_siwpower(struct net_device *dev,
                                     struct iw_request_info *info,
                                     struct iw_param *wrq,
@@ -658,8 +582,8 @@ static const iw_handler ieee80211_handler[] =
         (iw_handler) cfg80211_wext_giwrts,              /* SIOCGIWRTS */
         (iw_handler) cfg80211_wext_siwfrag,             /* SIOCSIWFRAG */
         (iw_handler) cfg80211_wext_giwfrag,             /* SIOCGIWFRAG */
-        (iw_handler) ieee80211_ioctl_siwtxpower,        /* SIOCSIWTXPOW */
-        (iw_handler) ieee80211_ioctl_giwtxpower,        /* SIOCGIWTXPOW */
+        (iw_handler) cfg80211_wext_siwtxpower,          /* SIOCSIWTXPOW */
+        (iw_handler) cfg80211_wext_giwtxpower,          /* SIOCGIWTXPOW */
         (iw_handler) cfg80211_wext_siwretry,            /* SIOCSIWRETRY */
         (iw_handler) cfg80211_wext_giwretry,            /* SIOCGIWRETRY */
         (iw_handler) cfg80211_wext_siwencode,           /* SIOCSIWENCODE */
diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 694343b9102b..116a923b14d6 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -101,7 +101,7 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb)
          * Now we know the 1d priority, fill in the QoS header if
          * there is one (and we haven't done this before).
          */
-        if (!skb->requeue && ieee80211_is_data_qos(hdr->frame_control)) {
+        if (ieee80211_is_data_qos(hdr->frame_control)) {
                 u8 *p = ieee80211_get_qos_ctl(hdr);
                 u8 ack_policy = 0;
                 tid = skb->priority & IEEE80211_QOS_CTL_TAG1D_MASK;
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 425ab144f15d..5874657af7f2 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -260,8 +260,8 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
         ip_send_check(ip_hdr(skb));
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /* Another hack: avoid icmp_send in ip_fragment */
         skb->local_df = 1;
@@ -324,8 +324,8 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         }
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /* Another hack: avoid icmp_send in ip_fragment */
         skb->local_df = 1;
@@ -388,8 +388,8 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
                 goto tx_error_put;
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /* mangle the packet */
         if (pp->dnat_handler && !pp->dnat_handler(skb, pp, cp))
@@ -465,8 +465,8 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
                 goto tx_error_put;
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /* mangle the packet */
         if (pp->dnat_handler && !pp->dnat_handler(skb, pp, cp))
@@ -553,8 +553,8 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
                 IP_VS_DBG_RL("ip_vs_tunnel_xmit(): mtu less than 68\n");
                 goto tx_error;
         }
-        if (skb->dst)
-                skb->dst->ops->update_pmtu(skb->dst, mtu);
+        if (skb_dst(skb))
+                skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
         df |= (old_iph->frag_off & htons(IP_DF));
 
@@ -596,8 +596,8 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
         memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /*
          *      Push down and install the IPIP header.
@@ -665,8 +665,8 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
                 IP_VS_DBG_RL("ip_vs_tunnel_xmit_v6(): mtu less than 1280\n");
                 goto tx_error;
         }
-        if (skb->dst)
-                skb->dst->ops->update_pmtu(skb->dst, mtu);
+        if (skb_dst(skb))
+                skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
         if (mtu < ntohs(old_iph->payload_len) + sizeof(struct ipv6hdr)) {
                 icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
@@ -702,8 +702,8 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         memset(&(IPCB(skb)->opt), 0, sizeof(IPCB(skb)->opt));
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /*
          *      Push down and install the IPIP header.
@@ -775,8 +775,8 @@ ip_vs_dr_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
         ip_send_check(ip_hdr(skb));
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /* Another hack: avoid icmp_send in ip_fragment */
         skb->local_df = 1;
@@ -828,8 +828,8 @@ ip_vs_dr_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
         }
 
         /* drop old route */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         /* Another hack: avoid icmp_send in ip_fragment */
         skb->local_df = 1;
@@ -900,8 +900,8 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
                 goto tx_error_put;
 
         /* drop the old route when skb is not shared */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         ip_vs_nat_icmp(skb, pp, cp, 0);
 
@@ -975,8 +975,8 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
                 goto tx_error_put;
 
         /* drop the old route when skb is not shared */
-        dst_release(skb->dst);
-        skb->dst = &rt->u.dst;
+        skb_dst_drop(skb);
+        skb_dst_set(skb, &rt->u.dst);
 
         ip_vs_nat_icmp_v6(skb, pp, cp, 0);
 
diff --git a/net/netfilter/nf_conntrack_netbios_ns.c b/net/netfilter/nf_conntrack_netbios_ns.c
index 8a3875e36ec2..497b2224536f 100644
--- a/net/netfilter/nf_conntrack_netbios_ns.c
+++ b/net/netfilter/nf_conntrack_netbios_ns.c
@@ -48,7 +48,7 @@ static int help(struct sk_buff *skb, unsigned int protoff,
 {
         struct nf_conntrack_expect *exp;
         struct iphdr *iph = ip_hdr(skb);
-        struct rtable *rt = skb->rtable;
+        struct rtable *rt = skb_rtable(skb);
         struct in_device *in_dev;
         __be32 mask = 0;
 
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 6b08d3277965..1b816a2ea813 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -22,6 +22,7 @@
 #include <linux/netfilter/nfnetlink_conntrack.h>
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_ecache.h>
 #include <net/netfilter/nf_log.h>
 
 /* Timeouts are based on values from RFC4340:
@@ -551,6 +552,9 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb,
         ct->proto.dccp.state = new_state;
         spin_unlock_bh(&ct->lock);
 
+        if (new_state != old_state)
+                nf_conntrack_event_cache(IPCT_PROTOINFO, ct);
+
         dn = dccp_pernet(net);
         nf_ct_refresh_acct(ct, ctinfo, skb, dn->dccp_timeout[new_state]);
 
diff --git a/net/netfilter/nf_conntrack_proto_gre.c b/net/netfilter/nf_conntrack_proto_gre.c
index 175a28c96168..a54a0af0edba 100644
--- a/net/netfilter/nf_conntrack_proto_gre.c
+++ b/net/netfilter/nf_conntrack_proto_gre.c
@@ -176,7 +176,7 @@ static bool gre_invert_tuple(struct nf_conntrack_tuple *tuple,
 static bool gre_pkt_to_tuple(const struct sk_buff *skb, unsigned int dataoff,
                              struct nf_conntrack_tuple *tuple)
 {
-        struct net *net = dev_net(skb->dev ? skb->dev : skb->dst->dev);
+        struct net *net = dev_net(skb->dev ? skb->dev : skb_dst(skb)->dev);
         const struct gre_hdr_pptp *pgrehdr;
         struct gre_hdr_pptp _pgrehdr;
         __be16 srckey;
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 5c5739c741f1..5142e60af540 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -648,6 +648,14 @@ static bool tcp_in_window(const struct nf_conn *ct,
                         sender->td_end = end;
                         sender->flags |= IP_CT_TCP_FLAG_DATA_UNACKNOWLEDGED;
                 }
+                if (tcph->ack) {
+                        if (!(sender->flags & IP_CT_TCP_FLAG_MAXACK_SET)) {
+                                sender->td_maxack = ack;
+                                sender->flags |= IP_CT_TCP_FLAG_MAXACK_SET;
+                        } else if (after(ack, sender->td_maxack))
+                                sender->td_maxack = ack;
+                }
+
                 /*
                  * Update receiver data.
                  */
@@ -933,6 +941,16 @@ static int tcp_packet(struct nf_conn *ct,
                 return -NF_ACCEPT;
         case TCP_CONNTRACK_CLOSE:
                 if (index == TCP_RST_SET
+                    && (ct->proto.tcp.seen[!dir].flags & IP_CT_TCP_FLAG_MAXACK_SET)
+                    && before(ntohl(th->seq), ct->proto.tcp.seen[!dir].td_maxack)) {
+                        /* Invalid RST  */
+                        write_unlock_bh(&tcp_lock);
+                        if (LOG_INVALID(net, IPPROTO_TCP))
+                                nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
+                                          "nf_ct_tcp: invalid RST ");
+                        return -NF_ACCEPT;
+                }
+                if (index == TCP_RST_SET
                     && ((test_bit(IPS_SEEN_REPLY_BIT, &ct->status)
                          && ct->proto.tcp.last_index == TCP_SYN_SET)
                         || (!test_bit(IPS_ASSURED_BIT, &ct->status)
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index fd326ac27ec8..66a6dd5c519a 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -581,6 +581,12 @@ nfulnl_log_packet(u_int8_t pf,
                 + nla_total_size(sizeof(struct nfulnl_msg_packet_hw))
                 + nla_total_size(sizeof(struct nfulnl_msg_packet_timestamp));
 
+        if (in && skb_mac_header_was_set(skb)) {
+                size +=   nla_total_size(skb->dev->hard_header_len)
+                        + nla_total_size(sizeof(u_int16_t))     /* hwtype */
+                        + nla_total_size(sizeof(u_int16_t));    /* hwlen */
+        }
+
         spin_lock_bh(&inst->lock);
 
         if (inst->flags & NFULNL_CFG_F_SEQ)
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 8c860112ce05..71daa0934b6c 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -1,6 +1,6 @@
 /*
  * This is a module which is used for queueing packets and communicating with
- * userspace via nfetlink.
+ * userspace via nfnetlink.
  *
  * (C) 2005 by Harald Welte <laforge@netfilter.org>
  * (C) 2007 by Patrick McHardy <kaber@trash.net>
@@ -932,6 +932,8 @@ static void __exit nfnetlink_queue_fini(void)
 #endif
         nfnetlink_subsys_unregister(&nfqnl_subsys);
         netlink_unregister_notifier(&nfqnl_rtnl_notifier);
+
+        rcu_barrier(); /* Wait for completion of call_rcu()'s */
 }
 
 MODULE_DESCRIPTION("netfilter packet queue handler");
diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c
index 4f3b1f808795..eda64c1cb1e5 100644
--- a/net/netfilter/xt_TCPMSS.c
+++ b/net/netfilter/xt_TCPMSS.c
@@ -73,11 +73,11 @@ tcpmss_mangle_packet(struct sk_buff *skb,
         }
 
         if (info->mss == XT_TCPMSS_CLAMP_PMTU) {
-                if (dst_mtu(skb->dst) <= minlen) {
+                if (dst_mtu(skb_dst(skb)) <= minlen) {
                         if (net_ratelimit())
                                 printk(KERN_ERR "xt_TCPMSS: "
                                        "unknown or invalid path-MTU (%u)\n",
-                                       dst_mtu(skb->dst));
+                                       dst_mtu(skb_dst(skb)));
                         return -1;
                 }
                 if (in_mtu <= minlen) {
@@ -86,7 +86,7 @@ tcpmss_mangle_packet(struct sk_buff *skb,
                                        "invalid path-MTU (%u)\n", in_mtu);
                         return -1;
                 }
-                newmss = min(dst_mtu(skb->dst), in_mtu) - minlen;
+                newmss = min(dst_mtu(skb_dst(skb)), in_mtu) - minlen;
         } else
                 newmss = info->mss;
 
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index a5b5369c30f9..219dcdbe388c 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -926,7 +926,7 @@ static int dl_seq_show(struct seq_file *s, void *v)
         if (!hlist_empty(&htable->hash[*bucket])) {
                 hlist_for_each_entry(ent, pos, &htable->hash[*bucket], node)
                         if (dl_seq_real_show(ent, htable->family, s))
-                                return 1;
+                                return -1;
         }
         return 0;
 }
diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c
index 328bd20ddd25..4cbfebda8fa1 100644
--- a/net/netfilter/xt_policy.c
+++ b/net/netfilter/xt_policy.c
@@ -86,7 +86,7 @@ match_policy_out(const struct sk_buff *skb, const struct xt_policy_info *info,
                  unsigned short family)
 {
         const struct xt_policy_elem *e;
-        const struct dst_entry *dst = skb->dst;
+        const struct dst_entry *dst = skb_dst(skb);
         int strict = info->flags & XT_POLICY_MATCH_STRICT;
         int i, pos;
 
diff --git a/net/netfilter/xt_realm.c b/net/netfilter/xt_realm.c
index 67419287bc7e..484d1689bfde 100644
--- a/net/netfilter/xt_realm.c
+++ b/net/netfilter/xt_realm.c
@@ -25,7 +25,7 @@ static bool
 realm_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 {
         const struct xt_realm_info *info = par->matchinfo;
-        const struct dst_entry *dst = skb->dst;
+        const struct dst_entry *dst = skb_dst(skb);
 
         return (info->id == (dst->tclassid & info->mask)) ^ info->invert;
 }
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c7c5d524967e..4f76e5552d8e 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -372,8 +372,7 @@ static int packet_rcv_spkt(struct sk_buff *skb, struct net_device *dev,  struct
                 goto oom;
 
         /* drop any routing info */
-        dst_release(skb->dst);
-        skb->dst = NULL;
+        skb_dst_drop(skb);
 
         /* drop conntrack reference */
         nf_reset(skb);
@@ -621,8 +620,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
 
         skb_set_owner_r(skb, sk);
         skb->dev = NULL;
-        dst_release(skb->dst);
-        skb->dst = NULL;
+        skb_dst_drop(skb);
 
         /* drop conntrack reference */
         nf_reset(skb);
@@ -1582,9 +1580,9 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
                 break;
         case PACKET_MR_UNICAST:
                 if (what > 0)
-                        return dev_unicast_add(dev, i->addr, i->alen);
+                        return dev_unicast_add(dev, i->addr);
                 else
-                        return dev_unicast_delete(dev, i->addr, i->alen);
+                        return dev_unicast_delete(dev, i->addr);
                 break;
         default:;
         }
diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index 4aa888584d20..480839dfc560 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -115,10 +115,10 @@ static int gprs_recv(struct gprs_dev *gp, struct sk_buff *skb)
                 rskb->truesize += rskb->len;
 
                 /* Avoid nested fragments */
-                for (fs = skb_shinfo(skb)->frag_list; fs; fs = fs->next)
+                skb_walk_frags(skb, fs)
                         flen += fs->len;
                 skb->next = skb_shinfo(skb)->frag_list;
-                skb_shinfo(skb)->frag_list = NULL;
+                skb_frag_list_init(skb);
                 skb->len -= flen;
                 skb->data_len -= flen;
                 skb->truesize -= flen;
@@ -212,8 +212,9 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *dev)
                 dev->stats.tx_bytes += len;
         }
 
-        if (!pep_writeable(sk))
-                netif_stop_queue(dev);
+        netif_stop_queue(dev);
+        if (pep_writeable(sk))
+                netif_wake_queue(dev);
         return 0;
 }
 
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 8ad2b5333881..eef833ea6d7b 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -940,10 +940,10 @@ int pep_write(struct sock *sk, struct sk_buff *skb)
         rskb->truesize += rskb->len;
 
         /* Avoid nested fragments */
-        for (fs = skb_shinfo(skb)->frag_list; fs; fs = fs->next)
+        skb_walk_frags(skb, fs)
                 flen += fs->len;
         skb->next = skb_shinfo(skb)->frag_list;
-        skb_shinfo(skb)->frag_list = NULL;
+        skb_frag_list_init(skb);
         skb->len -= flen;
         skb->data_len -= flen;
         skb->truesize -= flen;
diff --git a/net/rfkill/Kconfig b/net/rfkill/Kconfig
index 7f807b30cfbb..eaf765876458 100644
--- a/net/rfkill/Kconfig
+++ b/net/rfkill/Kconfig
@@ -10,22 +10,15 @@ menuconfig RFKILL
           To compile this driver as a module, choose M here: the
           module will be called rfkill.
 
-config RFKILL_INPUT
-        tristate "Input layer to RF switch connector"
-        depends on RFKILL && INPUT
-        help
-          Say Y here if you want kernel automatically toggle state
-          of RF switches on and off when user presses appropriate
-          button or a key on the keyboard. Without this module you
-          need a some kind of userspace application to control
-          state of the switches.
-
-          To compile this driver as a module, choose M here: the
-          module will be called rfkill-input.
-
 # LED trigger support
 config RFKILL_LEDS
         bool
-        depends on RFKILL && LEDS_TRIGGERS
+        depends on RFKILL
+        depends on LEDS_TRIGGERS = y || RFKILL = LEDS_TRIGGERS
         default y
 
+config RFKILL_INPUT
+        bool "RF switch input support" if EMBEDDED
+        depends on RFKILL
+        depends on INPUT = y || RFKILL = INPUT
+        default y if !EMBEDDED
diff --git a/net/rfkill/Makefile b/net/rfkill/Makefile
index b38c430be057..662105352691 100644
--- a/net/rfkill/Makefile
+++ b/net/rfkill/Makefile
@@ -2,5 +2,6 @@
 # Makefile for the RF switch subsystem.
 #
 
-obj-$(CONFIG_RFKILL)                    += rfkill.o
-obj-$(CONFIG_RFKILL_INPUT)              += rfkill-input.o
+rfkill-y                        += core.o
+rfkill-$(CONFIG_RFKILL_INPUT)   += input.o
+obj-$(CONFIG_RFKILL)            += rfkill.o
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
new file mode 100644
index 000000000000..4e68ab439d5d
--- /dev/null
+++ b/net/rfkill/core.c
@@ -0,0 +1,1205 @@
+/*
+ * Copyright (C) 2006 - 2007 Ivo van Doorn
+ * Copyright (C) 2007 Dmitry Torokhov
+ * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/capability.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/rfkill.h>
+#include <linux/spinlock.h>
+#include <linux/miscdevice.h>
+#include <linux/wait.h>
+#include <linux/poll.h>
+#include <linux/fs.h>
+
+#include "rfkill.h"
+
+#define POLL_INTERVAL           (5 * HZ)
+
+#define RFKILL_BLOCK_HW         BIT(0)
+#define RFKILL_BLOCK_SW         BIT(1)
+#define RFKILL_BLOCK_SW_PREV    BIT(2)
+#define RFKILL_BLOCK_ANY        (RFKILL_BLOCK_HW |\
+                                 RFKILL_BLOCK_SW |\
+                                 RFKILL_BLOCK_SW_PREV)
+#define RFKILL_BLOCK_SW_SETCALL BIT(31)
+
+struct rfkill {
+        spinlock_t              lock;
+
+        const char              *name;
+        enum rfkill_type        type;
+
+        unsigned long           state;
+
+        u32                     idx;
+
+        bool                    registered;
+        bool                    suspended;
+        bool                    persistent;
+
+        const struct rfkill_ops *ops;
+        void                    *data;
+
+#ifdef CONFIG_RFKILL_LEDS
+        struct led_trigger      led_trigger;
+        const char              *ledtrigname;
+#endif
+
+        struct device           dev;
+        struct list_head        node;
+
+        struct delayed_work     poll_work;
+        struct work_struct      uevent_work;
+        struct work_struct      sync_work;
+};
+#define to_rfkill(d)    container_of(d, struct rfkill, dev)
+
+struct rfkill_int_event {
+        struct list_head        list;
+        struct rfkill_event     ev;
+};
+
+struct rfkill_data {
+        struct list_head        list;
+        struct list_head        events;
+        struct mutex            mtx;
+        wait_queue_head_t       read_wait;
+        bool                    input_handler;
+};
+
+
+MODULE_AUTHOR("Ivo van Doorn <IvDoorn@gmail.com>");
+MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
+MODULE_DESCRIPTION("RF switch support");
+MODULE_LICENSE("GPL");
+
+
+/*
+ * The locking here should be made much smarter, we currently have
+ * a bit of a stupid situation because drivers might want to register
+ * the rfkill struct under their own lock, and take this lock during
+ * rfkill method calls -- which will cause an AB-BA deadlock situation.
+ *
+ * To fix that, we need to rework this code here to be mostly lock-free
+ * and only use the mutex for list manipulations, not to protect the
+ * various other global variables. Then we can avoid holding the mutex
+ * around driver operations, and all is happy.
+ */
+static LIST_HEAD(rfkill_list);  /* list of registered rf switches */
+static DEFINE_MUTEX(rfkill_global_mutex);
+static LIST_HEAD(rfkill_fds);   /* list of open fds of /dev/rfkill */
+
+static unsigned int rfkill_default_state = 1;
+module_param_named(default_state, rfkill_default_state, uint, 0444);
+MODULE_PARM_DESC(default_state,
+                 "Default initial state for all radio types, 0 = radio off");
+
+static struct {
+        bool cur, sav;
+} rfkill_global_states[NUM_RFKILL_TYPES];
+
+static bool rfkill_epo_lock_active;
+
+
+#ifdef CONFIG_RFKILL_LEDS
+static void rfkill_led_trigger_event(struct rfkill *rfkill)
+{
+        struct led_trigger *trigger;
+
+        if (!rfkill->registered)
+                return;
+
+        trigger = &rfkill->led_trigger;
+
+        if (rfkill->state & RFKILL_BLOCK_ANY)
+                led_trigger_event(trigger, LED_OFF);
+        else
+                led_trigger_event(trigger, LED_FULL);
+}
+
+static void rfkill_led_trigger_activate(struct led_classdev *led)
+{
+        struct rfkill *rfkill;
+
+        rfkill = container_of(led->trigger, struct rfkill, led_trigger);
+
+        rfkill_led_trigger_event(rfkill);
+}
+
+const char *rfkill_get_led_trigger_name(struct rfkill *rfkill)
+{
+        return rfkill->led_trigger.name;
+}
+EXPORT_SYMBOL(rfkill_get_led_trigger_name);
+
+void rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name)
+{
+        BUG_ON(!rfkill);
+
+        rfkill->ledtrigname = name;
+}
+EXPORT_SYMBOL(rfkill_set_led_trigger_name);
+
+static int rfkill_led_trigger_register(struct rfkill *rfkill)
+{
+        rfkill->led_trigger.name = rfkill->ledtrigname
+                                        ? : dev_name(&rfkill->dev);
+        rfkill->led_trigger.activate = rfkill_led_trigger_activate;
+        return led_trigger_register(&rfkill->led_trigger);
+}
+
+static void rfkill_led_trigger_unregister(struct rfkill *rfkill)
+{
+        led_trigger_unregister(&rfkill->led_trigger);
+}
+#else
+static void rfkill_led_trigger_event(struct rfkill *rfkill)
+{
+}
+
+static inline int rfkill_led_trigger_register(struct rfkill *rfkill)
+{
+        return 0;
+}
+
+static inline void rfkill_led_trigger_unregister(struct rfkill *rfkill)
+{
+}
+#endif /* CONFIG_RFKILL_LEDS */
+
+static void rfkill_fill_event(struct rfkill_event *ev, struct rfkill *rfkill,
+                              enum rfkill_operation op)
+{
+        unsigned long flags;
+
+        ev->idx = rfkill->idx;
+        ev->type = rfkill->type;
+        ev->op = op;
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        ev->hard = !!(rfkill->state & RFKILL_BLOCK_HW);
+        ev->soft = !!(rfkill->state & (RFKILL_BLOCK_SW |
+                                        RFKILL_BLOCK_SW_PREV));
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+}
+
+static void rfkill_send_events(struct rfkill *rfkill, enum rfkill_operation op)
+{
+        struct rfkill_data *data;
+        struct rfkill_int_event *ev;
+
+        list_for_each_entry(data, &rfkill_fds, list) {
+                ev = kzalloc(sizeof(*ev), GFP_KERNEL);
+                if (!ev)
+                        continue;
+                rfkill_fill_event(&ev->ev, rfkill, op);
+                mutex_lock(&data->mtx);
+                list_add_tail(&ev->list, &data->events);
+                mutex_unlock(&data->mtx);
+                wake_up_interruptible(&data->read_wait);
+        }
+}
+
+static void rfkill_event(struct rfkill *rfkill)
+{
+        if (!rfkill->registered || rfkill->suspended)
+                return;
+
+        kobject_uevent(&rfkill->dev.kobj, KOBJ_CHANGE);
+
+        /* also send event to /dev/rfkill */
+        rfkill_send_events(rfkill, RFKILL_OP_CHANGE);
+}
+
+static bool __rfkill_set_hw_state(struct rfkill *rfkill,
+                                  bool blocked, bool *change)
+{
+        unsigned long flags;
+        bool prev, any;
+
+        BUG_ON(!rfkill);
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        prev = !!(rfkill->state & RFKILL_BLOCK_HW);
+        if (blocked)
+                rfkill->state |= RFKILL_BLOCK_HW;
+        else
+                rfkill->state &= ~RFKILL_BLOCK_HW;
+        *change = prev != blocked;
+        any = rfkill->state & RFKILL_BLOCK_ANY;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        rfkill_led_trigger_event(rfkill);
+
+        return any;
+}
+
+/**
+ * rfkill_set_block - wrapper for set_block method
+ *
+ * @rfkill: the rfkill struct to use
+ * @blocked: the new software state
+ *
+ * Calls the set_block method (when applicable) and handles notifications
+ * etc. as well.
+ */
+static void rfkill_set_block(struct rfkill *rfkill, bool blocked)
+{
+        unsigned long flags;
+        int err;
+
+        /*
+         * Some platforms (...!) generate input events which affect the
+         * _hard_ kill state -- whenever something tries to change the
+         * current software state query the hardware state too.
+         */
+        if (rfkill->ops->query)
+                rfkill->ops->query(rfkill, rfkill->data);
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        if (rfkill->state & RFKILL_BLOCK_SW)
+                rfkill->state |= RFKILL_BLOCK_SW_PREV;
+        else
+                rfkill->state &= ~RFKILL_BLOCK_SW_PREV;
+
+        if (blocked)
+                rfkill->state |= RFKILL_BLOCK_SW;
+        else
+                rfkill->state &= ~RFKILL_BLOCK_SW;
+
+        rfkill->state |= RFKILL_BLOCK_SW_SETCALL;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        if (unlikely(rfkill->dev.power.power_state.event & PM_EVENT_SLEEP))
+                return;
+
+        err = rfkill->ops->set_block(rfkill->data, blocked);
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        if (err) {
+                /*
+                 * Failed -- reset status to _prev, this may be different
+                 * from what set set _PREV to earlier in this function
+                 * if rfkill_set_sw_state was invoked.
+                 */
+                if (rfkill->state & RFKILL_BLOCK_SW_PREV)
+                        rfkill->state |= RFKILL_BLOCK_SW;
+                else
+                        rfkill->state &= ~RFKILL_BLOCK_SW;
+        }
+        rfkill->state &= ~RFKILL_BLOCK_SW_SETCALL;
+        rfkill->state &= ~RFKILL_BLOCK_SW_PREV;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        rfkill_led_trigger_event(rfkill);
+        rfkill_event(rfkill);
+}
+
+#ifdef CONFIG_RFKILL_INPUT
+static atomic_t rfkill_input_disabled = ATOMIC_INIT(0);
+
+/**
+ * __rfkill_switch_all - Toggle state of all switches of given type
+ * @type: type of interfaces to be affected
+ * @state: the new state
+ *
+ * This function sets the state of all switches of given type,
+ * unless a specific switch is claimed by userspace (in which case,
+ * that switch is left alone) or suspended.
+ *
+ * Caller must have acquired rfkill_global_mutex.
+ */
+static void __rfkill_switch_all(const enum rfkill_type type, bool blocked)
+{
+        struct rfkill *rfkill;
+
+        rfkill_global_states[type].cur = blocked;
+        list_for_each_entry(rfkill, &rfkill_list, node) {
+                if (rfkill->type != type)
+                        continue;
+
+                rfkill_set_block(rfkill, blocked);
+        }
+}
+
+/**
+ * rfkill_switch_all - Toggle state of all switches of given type
+ * @type: type of interfaces to be affected
+ * @state: the new state
+ *
+ * Acquires rfkill_global_mutex and calls __rfkill_switch_all(@type, @state).
+ * Please refer to __rfkill_switch_all() for details.
+ *
+ * Does nothing if the EPO lock is active.
+ */
+void rfkill_switch_all(enum rfkill_type type, bool blocked)
+{
+        if (atomic_read(&rfkill_input_disabled))
+                return;
+
+        mutex_lock(&rfkill_global_mutex);
+
+        if (!rfkill_epo_lock_active)
+                __rfkill_switch_all(type, blocked);
+
+        mutex_unlock(&rfkill_global_mutex);
+}
+
+/**
+ * rfkill_epo - emergency power off all transmitters
+ *
+ * This kicks all non-suspended rfkill devices to RFKILL_STATE_SOFT_BLOCKED,
+ * ignoring everything in its path but rfkill_global_mutex and rfkill->mutex.
+ *
+ * The global state before the EPO is saved and can be restored later
+ * using rfkill_restore_states().
+ */
+void rfkill_epo(void)
+{
+        struct rfkill *rfkill;
+        int i;
+
+        if (atomic_read(&rfkill_input_disabled))
+                return;
+
+        mutex_lock(&rfkill_global_mutex);
+
+        rfkill_epo_lock_active = true;
+        list_for_each_entry(rfkill, &rfkill_list, node)
+                rfkill_set_block(rfkill, true);
+
+        for (i = 0; i < NUM_RFKILL_TYPES; i++) {
+                rfkill_global_states[i].sav = rfkill_global_states[i].cur;
+                rfkill_global_states[i].cur = true;
+        }
+
+        mutex_unlock(&rfkill_global_mutex);
+}
+
+/**
+ * rfkill_restore_states - restore global states
+ *
+ * Restore (and sync switches to) the global state from the
+ * states in rfkill_default_states.  This can undo the effects of
+ * a call to rfkill_epo().
+ */
+void rfkill_restore_states(void)
+{
+        int i;
+
+        if (atomic_read(&rfkill_input_disabled))
+                return;
+
+        mutex_lock(&rfkill_global_mutex);
+
+        rfkill_epo_lock_active = false;
+        for (i = 0; i < NUM_RFKILL_TYPES; i++)
+                __rfkill_switch_all(i, rfkill_global_states[i].sav);
+        mutex_unlock(&rfkill_global_mutex);
+}
+
+/**
+ * rfkill_remove_epo_lock - unlock state changes
+ *
+ * Used by rfkill-input manually unlock state changes, when
+ * the EPO switch is deactivated.
+ */
+void rfkill_remove_epo_lock(void)
+{
+        if (atomic_read(&rfkill_input_disabled))
+                return;
+
+        mutex_lock(&rfkill_global_mutex);
+        rfkill_epo_lock_active = false;
+        mutex_unlock(&rfkill_global_mutex);
+}
+
+/**
+ * rfkill_is_epo_lock_active - returns true EPO is active
+ *
+ * Returns 0 (false) if there is NOT an active EPO contidion,
+ * and 1 (true) if there is an active EPO contition, which
+ * locks all radios in one of the BLOCKED states.
+ *
+ * Can be called in atomic context.
+ */
+bool rfkill_is_epo_lock_active(void)
+{
+        return rfkill_epo_lock_active;
+}
+
+/**
+ * rfkill_get_global_sw_state - returns global state for a type
+ * @type: the type to get the global state of
+ *
+ * Returns the current global state for a given wireless
+ * device type.
+ */
+bool rfkill_get_global_sw_state(const enum rfkill_type type)
+{
+        return rfkill_global_states[type].cur;
+}
+#endif
+
+
+bool rfkill_set_hw_state(struct rfkill *rfkill, bool blocked)
+{
+        bool ret, change;
+
+        ret = __rfkill_set_hw_state(rfkill, blocked, &change);
+
+        if (!rfkill->registered)
+                return ret;
+
+        if (change)
+                schedule_work(&rfkill->uevent_work);
+
+        return ret;
+}
+EXPORT_SYMBOL(rfkill_set_hw_state);
+
+static void __rfkill_set_sw_state(struct rfkill *rfkill, bool blocked)
+{
+        u32 bit = RFKILL_BLOCK_SW;
+
+        /* if in a ops->set_block right now, use other bit */
+        if (rfkill->state & RFKILL_BLOCK_SW_SETCALL)
+                bit = RFKILL_BLOCK_SW_PREV;
+
+        if (blocked)
+                rfkill->state |= bit;
+        else
+                rfkill->state &= ~bit;
+}
+
+bool rfkill_set_sw_state(struct rfkill *rfkill, bool blocked)
+{
+        unsigned long flags;
+        bool prev, hwblock;
+
+        BUG_ON(!rfkill);
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        prev = !!(rfkill->state & RFKILL_BLOCK_SW);
+        __rfkill_set_sw_state(rfkill, blocked);
+        hwblock = !!(rfkill->state & RFKILL_BLOCK_HW);
+        blocked = blocked || hwblock;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        if (!rfkill->registered) {
+                rfkill->persistent = true;
+        } else {
+                if (prev != blocked && !hwblock)
+                        schedule_work(&rfkill->uevent_work);
+
+                rfkill_led_trigger_event(rfkill);
+        }
+
+        return blocked;
+}
+EXPORT_SYMBOL(rfkill_set_sw_state);
+
+void rfkill_set_states(struct rfkill *rfkill, bool sw, bool hw)
+{
+        unsigned long flags;
+        bool swprev, hwprev;
+
+        BUG_ON(!rfkill);
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+
+        /*
+         * No need to care about prev/setblock ... this is for uevent only
+         * and that will get triggered by rfkill_set_block anyway.
+         */
+        swprev = !!(rfkill->state & RFKILL_BLOCK_SW);
+        hwprev = !!(rfkill->state & RFKILL_BLOCK_HW);
+        __rfkill_set_sw_state(rfkill, sw);
+
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        if (!rfkill->registered) {
+                rfkill->persistent = true;
+        } else {
+                if (swprev != sw || hwprev != hw)
+                        schedule_work(&rfkill->uevent_work);
+
+                rfkill_led_trigger_event(rfkill);
+        }
+}
+EXPORT_SYMBOL(rfkill_set_states);
+
+static ssize_t rfkill_name_show(struct device *dev,
+                                struct device_attribute *attr,
+                                char *buf)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+
+        return sprintf(buf, "%s\n", rfkill->name);
+}
+
+static const char *rfkill_get_type_str(enum rfkill_type type)
+{
+        switch (type) {
+        case RFKILL_TYPE_WLAN:
+                return "wlan";
+        case RFKILL_TYPE_BLUETOOTH:
+                return "bluetooth";
+        case RFKILL_TYPE_UWB:
+                return "ultrawideband";
+        case RFKILL_TYPE_WIMAX:
+                return "wimax";
+        case RFKILL_TYPE_WWAN:
+                return "wwan";
+        default:
+                BUG();
+        }
+
+        BUILD_BUG_ON(NUM_RFKILL_TYPES != RFKILL_TYPE_WWAN + 1);
+}
+
+static ssize_t rfkill_type_show(struct device *dev,
+                                struct device_attribute *attr,
+                                char *buf)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+
+        return sprintf(buf, "%s\n", rfkill_get_type_str(rfkill->type));
+}
+
+static ssize_t rfkill_idx_show(struct device *dev,
+                               struct device_attribute *attr,
+                               char *buf)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+
+        return sprintf(buf, "%d\n", rfkill->idx);
+}
+
+static u8 user_state_from_blocked(unsigned long state)
+{
+        if (state & RFKILL_BLOCK_HW)
+                return RFKILL_USER_STATE_HARD_BLOCKED;
+        if (state & RFKILL_BLOCK_SW)
+                return RFKILL_USER_STATE_SOFT_BLOCKED;
+
+        return RFKILL_USER_STATE_UNBLOCKED;
+}
+
+static ssize_t rfkill_state_show(struct device *dev,
+                                 struct device_attribute *attr,
+                                 char *buf)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+        unsigned long flags;
+        u32 state;
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        state = rfkill->state;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        return sprintf(buf, "%d\n", user_state_from_blocked(state));
+}
+
+static ssize_t rfkill_state_store(struct device *dev,
+                                  struct device_attribute *attr,
+                                  const char *buf, size_t count)
+{
+        /*
+         * The intention was that userspace can only take control over
+         * a given device when/if rfkill-input doesn't control it due
+         * to user_claim. Since user_claim is currently unsupported,
+         * we never support changing the state from userspace -- this
+         * can be implemented again later.
+         */
+
+        return -EPERM;
+}
+
+static ssize_t rfkill_claim_show(struct device *dev,
+                                 struct device_attribute *attr,
+                                 char *buf)
+{
+        return sprintf(buf, "%d\n", 0);
+}
+
+static ssize_t rfkill_claim_store(struct device *dev,
+                                  struct device_attribute *attr,
+                                  const char *buf, size_t count)
+{
+        return -EOPNOTSUPP;
+}
+
+static struct device_attribute rfkill_dev_attrs[] = {
+        __ATTR(name, S_IRUGO, rfkill_name_show, NULL),
+        __ATTR(type, S_IRUGO, rfkill_type_show, NULL),
+        __ATTR(index, S_IRUGO, rfkill_idx_show, NULL),
+        __ATTR(state, S_IRUGO|S_IWUSR, rfkill_state_show, rfkill_state_store),
+        __ATTR(claim, S_IRUGO|S_IWUSR, rfkill_claim_show, rfkill_claim_store),
+        __ATTR_NULL
+};
+
+static void rfkill_release(struct device *dev)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+
+        kfree(rfkill);
+}
+
+static int rfkill_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+        unsigned long flags;
+        u32 state;
+        int error;
+
+        error = add_uevent_var(env, "RFKILL_NAME=%s", rfkill->name);
+        if (error)
+                return error;
+        error = add_uevent_var(env, "RFKILL_TYPE=%s",
+                               rfkill_get_type_str(rfkill->type));
+        if (error)
+                return error;
+        spin_lock_irqsave(&rfkill->lock, flags);
+        state = rfkill->state;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+        error = add_uevent_var(env, "RFKILL_STATE=%d",
+                               user_state_from_blocked(state));
+        return error;
+}
+
+void rfkill_pause_polling(struct rfkill *rfkill)
+{
+        BUG_ON(!rfkill);
+
+        if (!rfkill->ops->poll)
+                return;
+
+        cancel_delayed_work_sync(&rfkill->poll_work);
+}
+EXPORT_SYMBOL(rfkill_pause_polling);
+
+void rfkill_resume_polling(struct rfkill *rfkill)
+{
+        BUG_ON(!rfkill);
+
+        if (!rfkill->ops->poll)
+                return;
+
+        schedule_work(&rfkill->poll_work.work);
+}
+EXPORT_SYMBOL(rfkill_resume_polling);
+
+static int rfkill_suspend(struct device *dev, pm_message_t state)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+
+        rfkill_pause_polling(rfkill);
+
+        rfkill->suspended = true;
+
+        return 0;
+}
+
+static int rfkill_resume(struct device *dev)
+{
+        struct rfkill *rfkill = to_rfkill(dev);
+        bool cur;
+
+        cur = !!(rfkill->state & RFKILL_BLOCK_SW);
+        rfkill_set_block(rfkill, cur);
+
+        rfkill->suspended = false;
+
+        rfkill_resume_polling(rfkill);
+
+        return 0;
+}
+
+static struct class rfkill_class = {
+        .name           = "rfkill",
+        .dev_release    = rfkill_release,
+        .dev_attrs      = rfkill_dev_attrs,
+        .dev_uevent     = rfkill_dev_uevent,
+        .suspend        = rfkill_suspend,
+        .resume         = rfkill_resume,
+};
+
+bool rfkill_blocked(struct rfkill *rfkill)
+{
+        unsigned long flags;
+        u32 state;
+
+        spin_lock_irqsave(&rfkill->lock, flags);
+        state = rfkill->state;
+        spin_unlock_irqrestore(&rfkill->lock, flags);
+
+        return !!(state & RFKILL_BLOCK_ANY);
+}
+EXPORT_SYMBOL(rfkill_blocked);
+
+
+struct rfkill * __must_check rfkill_alloc(const char *name,
+                                          struct device *parent,
+                                          const enum rfkill_type type,
+                                          const struct rfkill_ops *ops,
+                                          void *ops_data)
+{
+        struct rfkill *rfkill;
+        struct device *dev;
+
+        if (WARN_ON(!ops))
+                return NULL;
+
+        if (WARN_ON(!ops->set_block))
+                return NULL;
+
+        if (WARN_ON(!name))
+                return NULL;
+
+        if (WARN_ON(type == RFKILL_TYPE_ALL || type >= NUM_RFKILL_TYPES))
+                return NULL;
+
+        rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
+        if (!rfkill)
+                return NULL;
+
+        spin_lock_init(&rfkill->lock);
+        INIT_LIST_HEAD(&rfkill->node);
+        rfkill->type = type;
+        rfkill->name = name;
+        rfkill->ops = ops;
+        rfkill->data = ops_data;
+
+        dev = &rfkill->dev;
+        dev->class = &rfkill_class;
+        dev->parent = parent;
+        device_initialize(dev);
+
+        return rfkill;
+}
+EXPORT_SYMBOL(rfkill_alloc);
+
+static void rfkill_poll(struct work_struct *work)
+{
+        struct rfkill *rfkill;
+
+        rfkill = container_of(work, struct rfkill, poll_work.work);
+
+        /*
+         * Poll hardware state -- driver will use one of the
+         * rfkill_set{,_hw,_sw}_state functions and use its
+         * return value to update the current status.
+         */
+        rfkill->ops->poll(rfkill, rfkill->data);
+
+        schedule_delayed_work(&rfkill->poll_work,
+                round_jiffies_relative(POLL_INTERVAL));
+}
+
+static void rfkill_uevent_work(struct work_struct *work)
+{
+        struct rfkill *rfkill;
+
+        rfkill = container_of(work, struct rfkill, uevent_work);
+
+        mutex_lock(&rfkill_global_mutex);
+        rfkill_event(rfkill);
+        mutex_unlock(&rfkill_global_mutex);
+}
+
+static void rfkill_sync_work(struct work_struct *work)
+{
+        struct rfkill *rfkill;
+        bool cur;
+
+        rfkill = container_of(work, struct rfkill, sync_work);
+
+        mutex_lock(&rfkill_global_mutex);
+        cur = rfkill_global_states[rfkill->type].cur;
+        rfkill_set_block(rfkill, cur);
+        mutex_unlock(&rfkill_global_mutex);
+}
+
+int __must_check rfkill_register(struct rfkill *rfkill)
+{
+        static unsigned long rfkill_no;
+        struct device *dev = &rfkill->dev;
+        int error;
+
+        BUG_ON(!rfkill);
+
+        mutex_lock(&rfkill_global_mutex);
+
+        if (rfkill->registered) {
+                error = -EALREADY;
+                goto unlock;
+        }
+
+        rfkill->idx = rfkill_no;
+        dev_set_name(dev, "rfkill%lu", rfkill_no);
+        rfkill_no++;
+
+        list_add_tail(&rfkill->node, &rfkill_list);
+
+        error = device_add(dev);
+        if (error)
+                goto remove;
+
+        error = rfkill_led_trigger_register(rfkill);
+        if (error)
+                goto devdel;
+
+        rfkill->registered = true;
+
+        INIT_DELAYED_WORK(&rfkill->poll_work, rfkill_poll);
+        INIT_WORK(&rfkill->uevent_work, rfkill_uevent_work);
+        INIT_WORK(&rfkill->sync_work, rfkill_sync_work);
+
+        if (rfkill->ops->poll)
+                schedule_delayed_work(&rfkill->poll_work,
+                        round_jiffies_relative(POLL_INTERVAL));
+
+        if (!rfkill->persistent || rfkill_epo_lock_active) {
+                schedule_work(&rfkill->sync_work);
+        } else {
+#ifdef CONFIG_RFKILL_INPUT
+                bool soft_blocked = !!(rfkill->state & RFKILL_BLOCK_SW);
+
+                if (!atomic_read(&rfkill_input_disabled))
+                        __rfkill_switch_all(rfkill->type, soft_blocked);
+#endif
+        }
+
+        rfkill_send_events(rfkill, RFKILL_OP_ADD);
+
+        mutex_unlock(&rfkill_global_mutex);
+        return 0;
+
+ devdel:
+        device_del(&rfkill->dev);
+ remove:
+        list_del_init(&rfkill->node);
+ unlock:
+        mutex_unlock(&rfkill_global_mutex);
+        return error;
+}
+EXPORT_SYMBOL(rfkill_register);
+
+void rfkill_unregister(struct rfkill *rfkill)
+{
+        BUG_ON(!rfkill);
+
+        if (rfkill->ops->poll)
+                cancel_delayed_work_sync(&rfkill->poll_work);
+
+        cancel_work_sync(&rfkill->uevent_work);
+        cancel_work_sync(&rfkill->sync_work);
+
+        rfkill->registered = false;
+
+        device_del(&rfkill->dev);
+
+        mutex_lock(&rfkill_global_mutex);
+        rfkill_send_events(rfkill, RFKILL_OP_DEL);
+        list_del_init(&rfkill->node);
+        mutex_unlock(&rfkill_global_mutex);
+
+        rfkill_led_trigger_unregister(rfkill);
+}
+EXPORT_SYMBOL(rfkill_unregister);
+
+void rfkill_destroy(struct rfkill *rfkill)
+{
+        if (rfkill)
+                put_device(&rfkill->dev);
+}
+EXPORT_SYMBOL(rfkill_destroy);
+
+static int rfkill_fop_open(struct inode *inode, struct file *file)
+{
+        struct rfkill_data *data;
+        struct rfkill *rfkill;
+        struct rfkill_int_event *ev, *tmp;
+
+        data = kzalloc(sizeof(*data), GFP_KERNEL);
+        if (!data)
+                return -ENOMEM;
+
+        INIT_LIST_HEAD(&data->events);
+        mutex_init(&data->mtx);
+        init_waitqueue_head(&data->read_wait);
+
+        mutex_lock(&rfkill_global_mutex);
+        mutex_lock(&data->mtx);
+        /*
+         * start getting events from elsewhere but hold mtx to get
+         * startup events added first
+         */
+        list_add(&data->list, &rfkill_fds);
+
+        list_for_each_entry(rfkill, &rfkill_list, node) {
+                ev = kzalloc(sizeof(*ev), GFP_KERNEL);
+                if (!ev)
+                        goto free;
+                rfkill_fill_event(&ev->ev, rfkill, RFKILL_OP_ADD);
+                list_add_tail(&ev->list, &data->events);
+        }
+        mutex_unlock(&data->mtx);
+        mutex_unlock(&rfkill_global_mutex);
+
+        file->private_data = data;
+
+        return nonseekable_open(inode, file);
+
+ free:
+        mutex_unlock(&data->mtx);
+        mutex_unlock(&rfkill_global_mutex);
+        mutex_destroy(&data->mtx);
+        list_for_each_entry_safe(ev, tmp, &data->events, list)
+                kfree(ev);
+        kfree(data);
+        return -ENOMEM;
+}
+
+static unsigned int rfkill_fop_poll(struct file *file, poll_table *wait)
+{
+        struct rfkill_data *data = file->private_data;
+        unsigned int res = POLLOUT | POLLWRNORM;
+
+        poll_wait(file, &data->read_wait, wait);
+
+        mutex_lock(&data->mtx);
+        if (!list_empty(&data->events))
+                res = POLLIN | POLLRDNORM;
+        mutex_unlock(&data->mtx);
+
+        return res;
+}
+
+static bool rfkill_readable(struct rfkill_data *data)
+{
+        bool r;
+
+        mutex_lock(&data->mtx);
+        r = !list_empty(&data->events);
+        mutex_unlock(&data->mtx);
+
+        return r;
+}
+
+static ssize_t rfkill_fop_read(struct file *file, char __user *buf,
+                               size_t count, loff_t *pos)
+{
+        struct rfkill_data *data = file->private_data;
+        struct rfkill_int_event *ev;
+        unsigned long sz;
+        int ret;
+
+        mutex_lock(&data->mtx);
+
+        while (list_empty(&data->events)) {
+                if (file->f_flags & O_NONBLOCK) {
+                        ret = -EAGAIN;
+                        goto out;
+                }
+                mutex_unlock(&data->mtx);
+                ret = wait_event_interruptible(data->read_wait,
+                                               rfkill_readable(data));
+                mutex_lock(&data->mtx);
+
+                if (ret)
+                        goto out;
+        }
+
+        ev = list_first_entry(&data->events, struct rfkill_int_event,
+                                list);
+
+        sz = min_t(unsigned long, sizeof(ev->ev), count);
+        ret = sz;
+        if (copy_to_user(buf, &ev->ev, sz))
+                ret = -EFAULT;
+
+        list_del(&ev->list);
+        kfree(ev);
+ out:
+        mutex_unlock(&data->mtx);
+        return ret;
+}
+
+static ssize_t rfkill_fop_write(struct file *file, const char __user *buf,
+                                size_t count, loff_t *pos)
+{
+        struct rfkill *rfkill;
+        struct rfkill_event ev;
+
+        /* we don't need the 'hard' variable but accept it */
+        if (count < sizeof(ev) - 1)
+                return -EINVAL;
+
+        if (copy_from_user(&ev, buf, sizeof(ev) - 1))
+                return -EFAULT;
+
+        if (ev.op != RFKILL_OP_CHANGE && ev.op != RFKILL_OP_CHANGE_ALL)
+                return -EINVAL;
+
+        if (ev.type >= NUM_RFKILL_TYPES)
+                return -EINVAL;
+
+        mutex_lock(&rfkill_global_mutex);
+
+        if (ev.op == RFKILL_OP_CHANGE_ALL) {
+                if (ev.type == RFKILL_TYPE_ALL) {
+                        enum rfkill_type i;
+                        for (i = 0; i < NUM_RFKILL_TYPES; i++)
+                                rfkill_global_states[i].cur = ev.soft;
+                } else {
+                        rfkill_global_states[ev.type].cur = ev.soft;
+                }
+        }
+
+        list_for_each_entry(rfkill, &rfkill_list, node) {
+                if (rfkill->idx != ev.idx && ev.op != RFKILL_OP_CHANGE_ALL)
+                        continue;
+
+                if (rfkill->type != ev.type && ev.type != RFKILL_TYPE_ALL)
+                        continue;
+
+                rfkill_set_block(rfkill, ev.soft);
+        }
+        mutex_unlock(&rfkill_global_mutex);
+
+        return count;
+}
+
+static int rfkill_fop_release(struct inode *inode, struct file *file)
+{
+        struct rfkill_data *data = file->private_data;
+        struct rfkill_int_event *ev, *tmp;
+
+        mutex_lock(&rfkill_global_mutex);
+        list_del(&data->list);
+        mutex_unlock(&rfkill_global_mutex);
+
+        mutex_destroy(&data->mtx);
+        list_for_each_entry_safe(ev, tmp, &data->events, list)
+                kfree(ev);
+
+#ifdef CONFIG_RFKILL_INPUT
+        if (data->input_handler)
+                if (atomic_dec_return(&rfkill_input_disabled) == 0)
+                        printk(KERN_DEBUG "rfkill: input handler enabled\n");
+#endif
+
+        kfree(data);
+
+        return 0;
+}
+
+#ifdef CONFIG_RFKILL_INPUT
+static long rfkill_fop_ioctl(struct file *file, unsigned int cmd,
+                             unsigned long arg)
+{
+        struct rfkill_data *data = file->private_data;
+
+        if (_IOC_TYPE(cmd) != RFKILL_IOC_MAGIC)
+                return -ENOSYS;
+
+        if (_IOC_NR(cmd) != RFKILL_IOC_NOINPUT)
+                return -ENOSYS;
+
+        mutex_lock(&data->mtx);
+
+        if (!data->input_handler) {
+                if (atomic_inc_return(&rfkill_input_disabled) == 1)
+                        printk(KERN_DEBUG "rfkill: input handler disabled\n");
+                data->input_handler = true;
+        }
+
+        mutex_unlock(&data->mtx);
+
+        return 0;
+}
+#endif
+
+static const struct file_operations rfkill_fops = {
+        .open           = rfkill_fop_open,
+        .read           = rfkill_fop_read,
+        .write          = rfkill_fop_write,
+        .poll           = rfkill_fop_poll,
+        .release        = rfkill_fop_release,
+#ifdef CONFIG_RFKILL_INPUT
+        .unlocked_ioctl = rfkill_fop_ioctl,
+        .compat_ioctl   = rfkill_fop_ioctl,
+#endif
+};
+
+static struct miscdevice rfkill_miscdev = {
+        .name   = "rfkill",
+        .fops   = &rfkill_fops,
+        .minor  = MISC_DYNAMIC_MINOR,
+};
+
+static int __init rfkill_init(void)
+{
+        int error;
+        int i;
+
+        for (i = 0; i < NUM_RFKILL_TYPES; i++)
+                rfkill_global_states[i].cur = !rfkill_default_state;
+
+        error = class_register(&rfkill_class);
+        if (error)
+                goto out;
+
+        error = misc_register(&rfkill_miscdev);
+        if (error) {
+                class_unregister(&rfkill_class);
+                goto out;
+        }
+
+#ifdef CONFIG_RFKILL_INPUT
+        error = rfkill_handler_init();
+        if (error) {
+                misc_deregister(&rfkill_miscdev);
+                class_unregister(&rfkill_class);
+                goto out;
+        }
+#endif
+
+ out:
+        return error;
+}
+subsys_initcall(rfkill_init);
+
+static void __exit rfkill_exit(void)
+{
+#ifdef CONFIG_RFKILL_INPUT
+        rfkill_handler_exit();
+#endif
+        misc_deregister(&rfkill_miscdev);
+        class_unregister(&rfkill_class);
+}
+module_exit(rfkill_exit);
diff --git a/net/rfkill/input.c b/net/rfkill/input.c
new file mode 100644
index 000000000000..a7295ad5f9cb
--- /dev/null
+++ b/net/rfkill/input.c
@@ -0,0 +1,342 @@
+/*
+ * Input layer to RF Kill interface connector
+ *
+ * Copyright (c) 2007 Dmitry Torokhov
+ * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * 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.
+ *
+ * If you ever run into a situation in which you have a SW_ type rfkill
+ * input device, then you can revive code that was removed in the patch
+ * "rfkill-input: remove unused code".
+ */
+
+#include <linux/input.h>
+#include <linux/slab.h>
+#include <linux/workqueue.h>
+#include <linux/init.h>
+#include <linux/rfkill.h>
+#include <linux/sched.h>
+
+#include "rfkill.h"
+
+enum rfkill_input_master_mode {
+        RFKILL_INPUT_MASTER_UNLOCK = 0,
+        RFKILL_INPUT_MASTER_RESTORE = 1,
+        RFKILL_INPUT_MASTER_UNBLOCKALL = 2,
+        NUM_RFKILL_INPUT_MASTER_MODES
+};
+
+/* Delay (in ms) between consecutive switch ops */
+#define RFKILL_OPS_DELAY 200
+
+static enum rfkill_input_master_mode rfkill_master_switch_mode =
+                                        RFKILL_INPUT_MASTER_UNBLOCKALL;
+module_param_named(master_switch_mode, rfkill_master_switch_mode, uint, 0);
+MODULE_PARM_DESC(master_switch_mode,
+        "SW_RFKILL_ALL ON should: 0=do nothing (only unlock); 1=restore; 2=unblock all");
+
+static spinlock_t rfkill_op_lock;
+static bool rfkill_op_pending;
+static unsigned long rfkill_sw_pending[BITS_TO_LONGS(NUM_RFKILL_TYPES)];
+static unsigned long rfkill_sw_state[BITS_TO_LONGS(NUM_RFKILL_TYPES)];
+
+enum rfkill_sched_op {
+        RFKILL_GLOBAL_OP_EPO = 0,
+        RFKILL_GLOBAL_OP_RESTORE,
+        RFKILL_GLOBAL_OP_UNLOCK,
+        RFKILL_GLOBAL_OP_UNBLOCK,
+};
+
+static enum rfkill_sched_op rfkill_master_switch_op;
+static enum rfkill_sched_op rfkill_op;
+
+static void __rfkill_handle_global_op(enum rfkill_sched_op op)
+{
+        unsigned int i;
+
+        switch (op) {
+        case RFKILL_GLOBAL_OP_EPO:
+                rfkill_epo();
+                break;
+        case RFKILL_GLOBAL_OP_RESTORE:
+                rfkill_restore_states();
+                break;
+        case RFKILL_GLOBAL_OP_UNLOCK:
+                rfkill_remove_epo_lock();
+                break;
+        case RFKILL_GLOBAL_OP_UNBLOCK:
+                rfkill_remove_epo_lock();
+                for (i = 0; i < NUM_RFKILL_TYPES; i++)
+                        rfkill_switch_all(i, false);
+                break;
+        default:
+                /* memory corruption or bug, fail safely */
+                rfkill_epo();
+                WARN(1, "Unknown requested operation %d! "
+                        "rfkill Emergency Power Off activated\n",
+                        op);
+        }
+}
+
+static void __rfkill_handle_normal_op(const enum rfkill_type type,
+                                      const bool complement)
+{
+        bool blocked;
+
+        blocked = rfkill_get_global_sw_state(type);
+        if (complement)
+                blocked = !blocked;
+
+        rfkill_switch_all(type, blocked);
+}
+
+static void rfkill_op_handler(struct work_struct *work)
+{
+        unsigned int i;
+        bool c;
+
+        spin_lock_irq(&rfkill_op_lock);
+        do {
+                if (rfkill_op_pending) {
+                        enum rfkill_sched_op op = rfkill_op;
+                        rfkill_op_pending = false;
+                        memset(rfkill_sw_pending, 0,
+                                sizeof(rfkill_sw_pending));
+                        spin_unlock_irq(&rfkill_op_lock);
+
+                        __rfkill_handle_global_op(op);
+
+                        spin_lock_irq(&rfkill_op_lock);
+
+                        /*
+                         * handle global ops first -- during unlocked period
+                         * we might have gotten a new global op.
+                         */
+                        if (rfkill_op_pending)
+                                continue;
+                }
+
+                if (rfkill_is_epo_lock_active())
+                        continue;
+
+                for (i = 0; i < NUM_RFKILL_TYPES; i++) {
+                        if (__test_and_clear_bit(i, rfkill_sw_pending)) {
+                                c = __test_and_clear_bit(i, rfkill_sw_state);
+                                spin_unlock_irq(&rfkill_op_lock);
+
+                                __rfkill_handle_normal_op(i, c);
+
+                                spin_lock_irq(&rfkill_op_lock);
+                        }
+                }
+        } while (rfkill_op_pending);
+        spin_unlock_irq(&rfkill_op_lock);
+}
+
+static DECLARE_DELAYED_WORK(rfkill_op_work, rfkill_op_handler);
+static unsigned long rfkill_last_scheduled;
+
+static unsigned long rfkill_ratelimit(const unsigned long last)
+{
+        const unsigned long delay = msecs_to_jiffies(RFKILL_OPS_DELAY);
+        return (time_after(jiffies, last + delay)) ? 0 : delay;
+}
+
+static void rfkill_schedule_ratelimited(void)
+{
+        if (delayed_work_pending(&rfkill_op_work))
+                return;
+        schedule_delayed_work(&rfkill_op_work,
+                              rfkill_ratelimit(rfkill_last_scheduled));
+        rfkill_last_scheduled = jiffies;
+}
+
+static void rfkill_schedule_global_op(enum rfkill_sched_op op)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&rfkill_op_lock, flags);
+        rfkill_op = op;
+        rfkill_op_pending = true;
+        if (op == RFKILL_GLOBAL_OP_EPO && !rfkill_is_epo_lock_active()) {
+                /* bypass the limiter for EPO */
+                cancel_delayed_work(&rfkill_op_work);
+                schedule_delayed_work(&rfkill_op_work, 0);
+                rfkill_last_scheduled = jiffies;
+        } else
+                rfkill_schedule_ratelimited();
+        spin_unlock_irqrestore(&rfkill_op_lock, flags);
+}
+
+static void rfkill_schedule_toggle(enum rfkill_type type)
+{
+        unsigned long flags;
+
+        if (rfkill_is_epo_lock_active())
+                return;
+
+        spin_lock_irqsave(&rfkill_op_lock, flags);
+        if (!rfkill_op_pending) {
+                __set_bit(type, rfkill_sw_pending);
+                __change_bit(type, rfkill_sw_state);
+                rfkill_schedule_ratelimited();
+        }
+        spin_unlock_irqrestore(&rfkill_op_lock, flags);
+}
+
+static void rfkill_schedule_evsw_rfkillall(int state)
+{
+        if (state)
+                rfkill_schedule_global_op(rfkill_master_switch_op);
+        else
+                rfkill_schedule_global_op(RFKILL_GLOBAL_OP_EPO);
+}
+
+static void rfkill_event(struct input_handle *handle, unsigned int type,
+                        unsigned int code, int data)
+{
+        if (type == EV_KEY && data == 1) {
+                switch (code) {
+                case KEY_WLAN:
+                        rfkill_schedule_toggle(RFKILL_TYPE_WLAN);
+                        break;
+                case KEY_BLUETOOTH:
+                        rfkill_schedule_toggle(RFKILL_TYPE_BLUETOOTH);
+                        break;
+                case KEY_UWB:
+                        rfkill_schedule_toggle(RFKILL_TYPE_UWB);
+                        break;
+                case KEY_WIMAX:
+                        rfkill_schedule_toggle(RFKILL_TYPE_WIMAX);
+                        break;
+                }
+        } else if (type == EV_SW && code == SW_RFKILL_ALL)
+                rfkill_schedule_evsw_rfkillall(data);
+}
+
+static int rfkill_connect(struct input_handler *handler, struct input_dev *dev,
+                          const struct input_device_id *id)
+{
+        struct input_handle *handle;
+        int error;
+
+        handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
+        if (!handle)
+                return -ENOMEM;
+
+        handle->dev = dev;
+        handle->handler = handler;
+        handle->name = "rfkill";
+
+        /* causes rfkill_start() to be called */
+        error = input_register_handle(handle);
+        if (error)
+                goto err_free_handle;
+
+        error = input_open_device(handle);
+        if (error)
+                goto err_unregister_handle;
+
+        return 0;
+
+ err_unregister_handle:
+        input_unregister_handle(handle);
+ err_free_handle:
+        kfree(handle);
+        return error;
+}
+
+static void rfkill_start(struct input_handle *handle)
+{
+        /*
+         * Take event_lock to guard against configuration changes, we
+         * should be able to deal with concurrency with rfkill_event()
+         * just fine (which event_lock will also avoid).
+         */
+        spin_lock_irq(&handle->dev->event_lock);
+
+        if (test_bit(EV_SW, handle->dev->evbit) &&
+            test_bit(SW_RFKILL_ALL, handle->dev->swbit))
+                rfkill_schedule_evsw_rfkillall(test_bit(SW_RFKILL_ALL,
+                                                        handle->dev->sw));
+
+        spin_unlock_irq(&handle->dev->event_lock);
+}
+
+static void rfkill_disconnect(struct input_handle *handle)
+{
+        input_close_device(handle);
+        input_unregister_handle(handle);
+        kfree(handle);
+}
+
+static const struct input_device_id rfkill_ids[] = {
+        {
+                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
+                .evbit = { BIT_MASK(EV_KEY) },
+                .keybit = { [BIT_WORD(KEY_WLAN)] = BIT_MASK(KEY_WLAN) },
+        },
+        {
+                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
+                .evbit = { BIT_MASK(EV_KEY) },
+                .keybit = { [BIT_WORD(KEY_BLUETOOTH)] = BIT_MASK(KEY_BLUETOOTH) },
+        },
+        {
+                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
+                .evbit = { BIT_MASK(EV_KEY) },
+                .keybit = { [BIT_WORD(KEY_UWB)] = BIT_MASK(KEY_UWB) },
+        },
+        {
+                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
+                .evbit = { BIT_MASK(EV_KEY) },
+                .keybit = { [BIT_WORD(KEY_WIMAX)] = BIT_MASK(KEY_WIMAX) },
+        },
+        {
+                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_SWBIT,
+                .evbit = { BIT(EV_SW) },
+                .swbit = { [BIT_WORD(SW_RFKILL_ALL)] = BIT_MASK(SW_RFKILL_ALL) },
+        },
+        { }
+};
+
+static struct input_handler rfkill_handler = {
+        .name = "rfkill",
+        .event = rfkill_event,
+        .connect = rfkill_connect,
+        .start = rfkill_start,
+        .disconnect = rfkill_disconnect,
+        .id_table = rfkill_ids,
+};
+
+int __init rfkill_handler_init(void)
+{
+        switch (rfkill_master_switch_mode) {
+        case RFKILL_INPUT_MASTER_UNBLOCKALL:
+                rfkill_master_switch_op = RFKILL_GLOBAL_OP_UNBLOCK;
+                break;
+        case RFKILL_INPUT_MASTER_RESTORE:
+                rfkill_master_switch_op = RFKILL_GLOBAL_OP_RESTORE;
+                break;
+        case RFKILL_INPUT_MASTER_UNLOCK:
+                rfkill_master_switch_op = RFKILL_GLOBAL_OP_UNLOCK;
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        spin_lock_init(&rfkill_op_lock);
+
+        /* Avoid delay at first schedule */
+        rfkill_last_scheduled =
+                        jiffies - msecs_to_jiffies(RFKILL_OPS_DELAY) - 1;
+        return input_register_handler(&rfkill_handler);
+}
+
+void __exit rfkill_handler_exit(void)
+{
+        input_unregister_handler(&rfkill_handler);
+        cancel_delayed_work_sync(&rfkill_op_work);
+}
diff --git a/net/rfkill/rfkill-input.c b/net/rfkill/rfkill-input.c
deleted file mode 100644
index 60a34f3b5f65..000000000000
--- a/net/rfkill/rfkill-input.c
+++ /dev/null
@@ -1,390 +0,0 @@
-/*
- * Input layer to RF Kill interface connector
- *
- * Copyright (c) 2007 Dmitry Torokhov
- */
-
-/*
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/input.h>
-#include <linux/slab.h>
-#include <linux/workqueue.h>
-#include <linux/init.h>
-#include <linux/rfkill.h>
-#include <linux/sched.h>
-
-#include "rfkill-input.h"
-
-MODULE_AUTHOR("Dmitry Torokhov <dtor@mail.ru>");
-MODULE_DESCRIPTION("Input layer to RF switch connector");
-MODULE_LICENSE("GPL");
-
-enum rfkill_input_master_mode {
-        RFKILL_INPUT_MASTER_DONOTHING = 0,
-        RFKILL_INPUT_MASTER_RESTORE = 1,
-        RFKILL_INPUT_MASTER_UNBLOCKALL = 2,
-        RFKILL_INPUT_MASTER_MAX,        /* marker */
-};
-
-/* Delay (in ms) between consecutive switch ops */
-#define RFKILL_OPS_DELAY 200
-
-static enum rfkill_input_master_mode rfkill_master_switch_mode =
-                                        RFKILL_INPUT_MASTER_UNBLOCKALL;
-module_param_named(master_switch_mode, rfkill_master_switch_mode, uint, 0);
-MODULE_PARM_DESC(master_switch_mode,
-        "SW_RFKILL_ALL ON should: 0=do nothing; 1=restore; 2=unblock all");
-
-enum rfkill_global_sched_op {
-        RFKILL_GLOBAL_OP_EPO = 0,
-        RFKILL_GLOBAL_OP_RESTORE,
-        RFKILL_GLOBAL_OP_UNLOCK,
-        RFKILL_GLOBAL_OP_UNBLOCK,
-};
-
-struct rfkill_task {
-        struct delayed_work dwork;
-
-        /* ensures that task is serialized */
-        struct mutex mutex;
-
-        /* protects everything below */
-        spinlock_t lock;
-
-        /* pending regular switch operations (1=pending) */
-        unsigned long sw_pending[BITS_TO_LONGS(RFKILL_TYPE_MAX)];
-
-        /* should the state be complemented (1=yes) */
-        unsigned long sw_togglestate[BITS_TO_LONGS(RFKILL_TYPE_MAX)];
-
-        bool global_op_pending;
-        enum rfkill_global_sched_op op;
-
-        /* last time it was scheduled */
-        unsigned long last_scheduled;
-};
-
-static void __rfkill_handle_global_op(enum rfkill_global_sched_op op)
-{
-        unsigned int i;
-
-        switch (op) {
-        case RFKILL_GLOBAL_OP_EPO:
-                rfkill_epo();
-                break;
-        case RFKILL_GLOBAL_OP_RESTORE:
-                rfkill_restore_states();
-                break;
-        case RFKILL_GLOBAL_OP_UNLOCK:
-                rfkill_remove_epo_lock();
-                break;
-        case RFKILL_GLOBAL_OP_UNBLOCK:
-                rfkill_remove_epo_lock();
-                for (i = 0; i < RFKILL_TYPE_MAX; i++)
-                        rfkill_switch_all(i, RFKILL_STATE_UNBLOCKED);
-                break;
-        default:
-                /* memory corruption or bug, fail safely */
-                rfkill_epo();
-                WARN(1, "Unknown requested operation %d! "
-                        "rfkill Emergency Power Off activated\n",
-                        op);
-        }
-}
-
-static void __rfkill_handle_normal_op(const enum rfkill_type type,
-                        const bool c)
-{
-        enum rfkill_state state;
-
-        state = rfkill_get_global_state(type);
-        if (c)
-                state = rfkill_state_complement(state);
-
-        rfkill_switch_all(type, state);
-}
-
-static void rfkill_task_handler(struct work_struct *work)
-{
-        struct rfkill_task *task = container_of(work,
-                                        struct rfkill_task, dwork.work);
-        bool doit = true;
-
-        mutex_lock(&task->mutex);
-
-        spin_lock_irq(&task->lock);
-        while (doit) {
-                if (task->global_op_pending) {
-                        enum rfkill_global_sched_op op = task->op;
-                        task->global_op_pending = false;
-                        memset(task->sw_pending, 0, sizeof(task->sw_pending));
-                        spin_unlock_irq(&task->lock);
-
-                        __rfkill_handle_global_op(op);
-
-                        /* make sure we do at least one pass with
-                         * !task->global_op_pending */
-                        spin_lock_irq(&task->lock);
-                        continue;
-                } else if (!rfkill_is_epo_lock_active()) {
-                        unsigned int i = 0;
-
-                        while (!task->global_op_pending &&
-                                                i < RFKILL_TYPE_MAX) {
-                                if (test_and_clear_bit(i, task->sw_pending)) {
-                                        bool c;
-                                        c = test_and_clear_bit(i,
-                                                        task->sw_togglestate);
-                                        spin_unlock_irq(&task->lock);
-
-                                        __rfkill_handle_normal_op(i, c);
-
-                                        spin_lock_irq(&task->lock);
-                                }
-                                i++;
-                        }
-                }
-                doit = task->global_op_pending;
-        }
-        spin_unlock_irq(&task->lock);
-
-        mutex_unlock(&task->mutex);
-}
-
-static struct rfkill_task rfkill_task = {
-        .dwork = __DELAYED_WORK_INITIALIZER(rfkill_task.dwork,
-                                rfkill_task_handler),
-        .mutex = __MUTEX_INITIALIZER(rfkill_task.mutex),
-        .lock = __SPIN_LOCK_UNLOCKED(rfkill_task.lock),
-};
-
-static unsigned long rfkill_ratelimit(const unsigned long last)
-{
-        const unsigned long delay = msecs_to_jiffies(RFKILL_OPS_DELAY);
-        return (time_after(jiffies, last + delay)) ? 0 : delay;
-}
-
-static void rfkill_schedule_ratelimited(void)
-{
-        if (!delayed_work_pending(&rfkill_task.dwork)) {
-                schedule_delayed_work(&rfkill_task.dwork,
-                                rfkill_ratelimit(rfkill_task.last_scheduled));
-                rfkill_task.last_scheduled = jiffies;
-        }
-}
-
-static void rfkill_schedule_global_op(enum rfkill_global_sched_op op)
-{
-        unsigned long flags;
-
-        spin_lock_irqsave(&rfkill_task.lock, flags);
-        rfkill_task.op = op;
-        rfkill_task.global_op_pending = true;
-        if (op == RFKILL_GLOBAL_OP_EPO && !rfkill_is_epo_lock_active()) {
-                /* bypass the limiter for EPO */
-                cancel_delayed_work(&rfkill_task.dwork);
-                schedule_delayed_work(&rfkill_task.dwork, 0);
-                rfkill_task.last_scheduled = jiffies;
-        } else
-                rfkill_schedule_ratelimited();
-        spin_unlock_irqrestore(&rfkill_task.lock, flags);
-}
-
-static void rfkill_schedule_toggle(enum rfkill_type type)
-{
-        unsigned long flags;
-
-        if (rfkill_is_epo_lock_active())
-                return;
-
-        spin_lock_irqsave(&rfkill_task.lock, flags);
-        if (!rfkill_task.global_op_pending) {
-                set_bit(type, rfkill_task.sw_pending);
-                change_bit(type, rfkill_task.sw_togglestate);
-                rfkill_schedule_ratelimited();
-        }
-        spin_unlock_irqrestore(&rfkill_task.lock, flags);
-}
-
-static void rfkill_schedule_evsw_rfkillall(int state)
-{
-        if (state) {
-                switch (rfkill_master_switch_mode) {
-                case RFKILL_INPUT_MASTER_UNBLOCKALL:
-                        rfkill_schedule_global_op(RFKILL_GLOBAL_OP_UNBLOCK);
-                        break;
-                case RFKILL_INPUT_MASTER_RESTORE:
-                        rfkill_schedule_global_op(RFKILL_GLOBAL_OP_RESTORE);
-                        break;
-                case RFKILL_INPUT_MASTER_DONOTHING:
-                        rfkill_schedule_global_op(RFKILL_GLOBAL_OP_UNLOCK);
-                        break;
-                default:
-                        /* memory corruption or driver bug! fail safely */
-                        rfkill_schedule_global_op(RFKILL_GLOBAL_OP_EPO);
-                        WARN(1, "Unknown rfkill_master_switch_mode (%d), "
-                                "driver bug or memory corruption detected!\n",
-                                rfkill_master_switch_mode);
-                        break;
-                }
-        } else
-                rfkill_schedule_global_op(RFKILL_GLOBAL_OP_EPO);
-}
-
-static void rfkill_event(struct input_handle *handle, unsigned int type,
-                        unsigned int code, int data)
-{
-        if (type == EV_KEY && data == 1) {
-                enum rfkill_type t;
-
-                switch (code) {
-                case KEY_WLAN:
-                        t = RFKILL_TYPE_WLAN;
-                        break;
-                case KEY_BLUETOOTH:
-                        t = RFKILL_TYPE_BLUETOOTH;
-                        break;
-                case KEY_UWB:
-                        t = RFKILL_TYPE_UWB;
-                        break;
-                case KEY_WIMAX:
-                        t = RFKILL_TYPE_WIMAX;
-                        break;
-                default:
-                        return;
-                }
-                rfkill_schedule_toggle(t);
-                return;
-        } else if (type == EV_SW) {
-                switch (code) {
-                case SW_RFKILL_ALL:
-                        rfkill_schedule_evsw_rfkillall(data);
-                        return;
-                default:
-                        return;
-                }
-        }
-}
-
-static int rfkill_connect(struct input_handler *handler, struct input_dev *dev,
-                          const struct input_device_id *id)
-{
-        struct input_handle *handle;
-        int error;
-
-        handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL);
-        if (!handle)
-                return -ENOMEM;
-
-        handle->dev = dev;
-        handle->handler = handler;
-        handle->name = "rfkill";
-
-        /* causes rfkill_start() to be called */
-        error = input_register_handle(handle);
-        if (error)
-                goto err_free_handle;
-
-        error = input_open_device(handle);
-        if (error)
-                goto err_unregister_handle;
-
-        return 0;
-
- err_unregister_handle:
-        input_unregister_handle(handle);
- err_free_handle:
-        kfree(handle);
-        return error;
-}
-
-static void rfkill_start(struct input_handle *handle)
-{
-        /* Take event_lock to guard against configuration changes, we
-         * should be able to deal with concurrency with rfkill_event()
-         * just fine (which event_lock will also avoid). */
-        spin_lock_irq(&handle->dev->event_lock);
-
-        if (test_bit(EV_SW, handle->dev->evbit)) {
-                if (test_bit(SW_RFKILL_ALL, handle->dev->swbit))
-                        rfkill_schedule_evsw_rfkillall(test_bit(SW_RFKILL_ALL,
-                                                        handle->dev->sw));
-                /* add resync for further EV_SW events here */
-        }
-
-        spin_unlock_irq(&handle->dev->event_lock);
-}
-
-static void rfkill_disconnect(struct input_handle *handle)
-{
-        input_close_device(handle);
-        input_unregister_handle(handle);
-        kfree(handle);
-}
-
-static const struct input_device_id rfkill_ids[] = {
-        {
-                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
-                .evbit = { BIT_MASK(EV_KEY) },
-                .keybit = { [BIT_WORD(KEY_WLAN)] = BIT_MASK(KEY_WLAN) },
-        },
-        {
-                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
-                .evbit = { BIT_MASK(EV_KEY) },
-                .keybit = { [BIT_WORD(KEY_BLUETOOTH)] = BIT_MASK(KEY_BLUETOOTH) },
-        },
-        {
-                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
-                .evbit = { BIT_MASK(EV_KEY) },
-                .keybit = { [BIT_WORD(KEY_UWB)] = BIT_MASK(KEY_UWB) },
-        },
-        {
-                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
-                .evbit = { BIT_MASK(EV_KEY) },
-                .keybit = { [BIT_WORD(KEY_WIMAX)] = BIT_MASK(KEY_WIMAX) },
-        },
-        {
-                .flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_SWBIT,
-                .evbit = { BIT(EV_SW) },
-                .swbit = { [BIT_WORD(SW_RFKILL_ALL)] = BIT_MASK(SW_RFKILL_ALL) },
-        },
-        { }
-};
-
-static struct input_handler rfkill_handler = {
-        .event =        rfkill_event,
-        .connect =      rfkill_connect,
-        .disconnect =   rfkill_disconnect,
-        .start =        rfkill_start,
-        .name =         "rfkill",
-        .id_table =     rfkill_ids,
-};
-
-static int __init rfkill_handler_init(void)
-{
-        if (rfkill_master_switch_mode >= RFKILL_INPUT_MASTER_MAX)
-                return -EINVAL;
-
-        /*
-         * The penalty to not doing this is a possible RFKILL_OPS_DELAY delay
-         * at the first use.  Acceptable, but if we can avoid it, why not?
-         */
-        rfkill_task.last_scheduled =
-                        jiffies - msecs_to_jiffies(RFKILL_OPS_DELAY) - 1;
-        return input_register_handler(&rfkill_handler);
-}
-
-static void __exit rfkill_handler_exit(void)
-{
-        input_unregister_handler(&rfkill_handler);
-        cancel_delayed_work_sync(&rfkill_task.dwork);
-        rfkill_remove_epo_lock();
-}
-
-module_init(rfkill_handler_init);
-module_exit(rfkill_handler_exit);
diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
deleted file mode 100644
index 4f5a83183c95..000000000000
--- a/net/rfkill/rfkill.c
+++ /dev/null
@@ -1,855 +0,0 @@
-/*
- * Copyright (C) 2006 - 2007 Ivo van Doorn
- * Copyright (C) 2007 Dmitry Torokhov
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the
- * Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/workqueue.h>
-#include <linux/capability.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/rfkill.h>
-
-/* Get declaration of rfkill_switch_all() to shut up sparse. */
-#include "rfkill-input.h"
-
-
-MODULE_AUTHOR("Ivo van Doorn <IvDoorn@gmail.com>");
-MODULE_VERSION("1.0");
-MODULE_DESCRIPTION("RF switch support");
-MODULE_LICENSE("GPL");
-
-static LIST_HEAD(rfkill_list);  /* list of registered rf switches */
-static DEFINE_MUTEX(rfkill_global_mutex);
-
-static unsigned int rfkill_default_state = RFKILL_STATE_UNBLOCKED;
-module_param_named(default_state, rfkill_default_state, uint, 0444);
-MODULE_PARM_DESC(default_state,
-                 "Default initial state for all radio types, 0 = radio off");
-
-struct rfkill_gsw_state {
-        enum rfkill_state current_state;
-        enum rfkill_state default_state;
-};
-
-static struct rfkill_gsw_state rfkill_global_states[RFKILL_TYPE_MAX];
-static unsigned long rfkill_states_lockdflt[BITS_TO_LONGS(RFKILL_TYPE_MAX)];
-static bool rfkill_epo_lock_active;
-
-
-#ifdef CONFIG_RFKILL_LEDS
-static void rfkill_led_trigger(struct rfkill *rfkill,
-                               enum rfkill_state state)
-{
-        struct led_trigger *led = &rfkill->led_trigger;
-
-        if (!led->name)
-                return;
-        if (state != RFKILL_STATE_UNBLOCKED)
-                led_trigger_event(led, LED_OFF);
-        else
-                led_trigger_event(led, LED_FULL);
-}
-
-static void rfkill_led_trigger_activate(struct led_classdev *led)
-{
-        struct rfkill *rfkill = container_of(led->trigger,
-                        struct rfkill, led_trigger);
-
-        rfkill_led_trigger(rfkill, rfkill->state);
-}
-#else
-static inline void rfkill_led_trigger(struct rfkill *rfkill,
-                                        enum rfkill_state state)
-{
-}
-#endif /* CONFIG_RFKILL_LEDS */
-
-static void rfkill_uevent(struct rfkill *rfkill)
-{
-        kobject_uevent(&rfkill->dev.kobj, KOBJ_CHANGE);
-}
-
-static void update_rfkill_state(struct rfkill *rfkill)
-{
-        enum rfkill_state newstate, oldstate;
-
-        if (rfkill->get_state) {
-                mutex_lock(&rfkill->mutex);
-                if (!rfkill->get_state(rfkill->data, &newstate)) {
-                        oldstate = rfkill->state;
-                        rfkill->state = newstate;
-                        if (oldstate != newstate)
-                                rfkill_uevent(rfkill);
-                }
-                mutex_unlock(&rfkill->mutex);
-        }
-        rfkill_led_trigger(rfkill, rfkill->state);
-}
-
-/**
- * rfkill_toggle_radio - wrapper for toggle_radio hook
- * @rfkill: the rfkill struct to use
- * @force: calls toggle_radio even if cache says it is not needed,
- *      and also makes sure notifications of the state will be
- *      sent even if it didn't change
- * @state: the new state to call toggle_radio() with
- *
- * Calls rfkill->toggle_radio, enforcing the API for toggle_radio
- * calls and handling all the red tape such as issuing notifications
- * if the call is successful.
- *
- * Suspended devices are not touched at all, and -EAGAIN is returned.
- *
- * Note that the @force parameter cannot override a (possibly cached)
- * state of RFKILL_STATE_HARD_BLOCKED.  Any device making use of
- * RFKILL_STATE_HARD_BLOCKED implements either get_state() or
- * rfkill_force_state(), so the cache either is bypassed or valid.
- *
- * Note that we do call toggle_radio for RFKILL_STATE_SOFT_BLOCKED
- * even if the radio is in RFKILL_STATE_HARD_BLOCKED state, so as to
- * give the driver a hint that it should double-BLOCK the transmitter.
- *
- * Caller must have acquired rfkill->mutex.
- */
-static int rfkill_toggle_radio(struct rfkill *rfkill,
-                                enum rfkill_state state,
-                                int force)
-{
-        int retval = 0;
-        enum rfkill_state oldstate, newstate;
-
-        if (unlikely(rfkill->dev.power.power_state.event & PM_EVENT_SLEEP))
-                return -EBUSY;
-
-        oldstate = rfkill->state;
-
-        if (rfkill->get_state && !force &&
-            !rfkill->get_state(rfkill->data, &newstate)) {
-                rfkill->state = newstate;
-        }
-
-        switch (state) {
-        case RFKILL_STATE_HARD_BLOCKED:
-                /* typically happens when refreshing hardware state,
-                 * such as on resume */
-                state = RFKILL_STATE_SOFT_BLOCKED;
-                break;
-        case RFKILL_STATE_UNBLOCKED:
-                /* force can't override this, only rfkill_force_state() can */
-                if (rfkill->state == RFKILL_STATE_HARD_BLOCKED)
-                        return -EPERM;
-                break;
-        case RFKILL_STATE_SOFT_BLOCKED:
-                /* nothing to do, we want to give drivers the hint to double
-                 * BLOCK even a transmitter that is already in state
-                 * RFKILL_STATE_HARD_BLOCKED */
-                break;
-        default:
-                WARN(1, KERN_WARNING
-                        "rfkill: illegal state %d passed as parameter "
-                        "to rfkill_toggle_radio\n", state);
-                return -EINVAL;
-        }
-
-        if (force || state != rfkill->state) {
-                retval = rfkill->toggle_radio(rfkill->data, state);
-                /* never allow a HARD->SOFT downgrade! */
-                if (!retval && rfkill->state != RFKILL_STATE_HARD_BLOCKED)
-                        rfkill->state = state;
-        }
-
-        if (force || rfkill->state != oldstate)
-                rfkill_uevent(rfkill);
-
-        rfkill_led_trigger(rfkill, rfkill->state);
-        return retval;
-}
-
-/**
- * __rfkill_switch_all - Toggle state of all switches of given type
- * @type: type of interfaces to be affected
- * @state: the new state
- *
- * This function toggles the state of all switches of given type,
- * unless a specific switch is claimed by userspace (in which case,
- * that switch is left alone) or suspended.
- *
- * Caller must have acquired rfkill_global_mutex.
- */
-static void __rfkill_switch_all(const enum rfkill_type type,
-                                const enum rfkill_state state)
-{
-        struct rfkill *rfkill;
-
-        if (WARN((state >= RFKILL_STATE_MAX || type >= RFKILL_TYPE_MAX),
-                        KERN_WARNING
-                        "rfkill: illegal state %d or type %d "
-                        "passed as parameter to __rfkill_switch_all\n",
-                        state, type))
-                return;
-
-        rfkill_global_states[type].current_state = state;
-        list_for_each_entry(rfkill, &rfkill_list, node) {
-                if (rfkill->type == type) {
-                        mutex_lock(&rfkill->mutex);
-                        rfkill_toggle_radio(rfkill, state, 0);
-                        mutex_unlock(&rfkill->mutex);
-                        rfkill_led_trigger(rfkill, rfkill->state);
-                }
-        }
-}
-
-/**
- * rfkill_switch_all - Toggle state of all switches of given type
- * @type: type of interfaces to be affected
- * @state: the new state
- *
- * Acquires rfkill_global_mutex and calls __rfkill_switch_all(@type, @state).
- * Please refer to __rfkill_switch_all() for details.
- *
- * Does nothing if the EPO lock is active.
- */
-void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state)
-{
-        mutex_lock(&rfkill_global_mutex);
-        if (!rfkill_epo_lock_active)
-                __rfkill_switch_all(type, state);
-        mutex_unlock(&rfkill_global_mutex);
-}
-EXPORT_SYMBOL(rfkill_switch_all);
-
-/**
- * rfkill_epo - emergency power off all transmitters
- *
- * This kicks all non-suspended rfkill devices to RFKILL_STATE_SOFT_BLOCKED,
- * ignoring everything in its path but rfkill_global_mutex and rfkill->mutex.
- *
- * The global state before the EPO is saved and can be restored later
- * using rfkill_restore_states().
- */
-void rfkill_epo(void)
-{
-        struct rfkill *rfkill;
-        int i;
-
-        mutex_lock(&rfkill_global_mutex);
-
-        rfkill_epo_lock_active = true;
-        list_for_each_entry(rfkill, &rfkill_list, node) {
-                mutex_lock(&rfkill->mutex);
-                rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1);
-                mutex_unlock(&rfkill->mutex);
-        }
-        for (i = 0; i < RFKILL_TYPE_MAX; i++) {
-                rfkill_global_states[i].default_state =
-                                rfkill_global_states[i].current_state;
-                rfkill_global_states[i].current_state =
-                                RFKILL_STATE_SOFT_BLOCKED;
-        }
-        mutex_unlock(&rfkill_global_mutex);
-        rfkill_led_trigger(rfkill, rfkill->state);
-}
-EXPORT_SYMBOL_GPL(rfkill_epo);
-
-/**
- * rfkill_restore_states - restore global states
- *
- * Restore (and sync switches to) the global state from the
- * states in rfkill_default_states.  This can undo the effects of
- * a call to rfkill_epo().
- */
-void rfkill_restore_states(void)
-{
-        int i;
-
-        mutex_lock(&rfkill_global_mutex);
-
-        rfkill_epo_lock_active = false;
-        for (i = 0; i < RFKILL_TYPE_MAX; i++)
-                __rfkill_switch_all(i, rfkill_global_states[i].default_state);
-        mutex_unlock(&rfkill_global_mutex);
-}
-EXPORT_SYMBOL_GPL(rfkill_restore_states);
-
-/**
- * rfkill_remove_epo_lock - unlock state changes
- *
- * Used by rfkill-input manually unlock state changes, when
- * the EPO switch is deactivated.
- */
-void rfkill_remove_epo_lock(void)
-{
-        mutex_lock(&rfkill_global_mutex);
-        rfkill_epo_lock_active = false;
-        mutex_unlock(&rfkill_global_mutex);
-}
-EXPORT_SYMBOL_GPL(rfkill_remove_epo_lock);
-
-/**
- * rfkill_is_epo_lock_active - returns true EPO is active
- *
- * Returns 0 (false) if there is NOT an active EPO contidion,
- * and 1 (true) if there is an active EPO contition, which
- * locks all radios in one of the BLOCKED states.
- *
- * Can be called in atomic context.
- */
-bool rfkill_is_epo_lock_active(void)
-{
-        return rfkill_epo_lock_active;
-}
-EXPORT_SYMBOL_GPL(rfkill_is_epo_lock_active);
-
-/**
- * rfkill_get_global_state - returns global state for a type
- * @type: the type to get the global state of
- *
- * Returns the current global state for a given wireless
- * device type.
- */
-enum rfkill_state rfkill_get_global_state(const enum rfkill_type type)
-{
-        return rfkill_global_states[type].current_state;
-}
-EXPORT_SYMBOL_GPL(rfkill_get_global_state);
-
-/**
- * rfkill_force_state - Force the internal rfkill radio state
- * @rfkill: pointer to the rfkill class to modify.
- * @state: the current radio state the class should be forced to.
- *
- * This function updates the internal state of the radio cached
- * by the rfkill class.  It should be used when the driver gets
- * a notification by the firmware/hardware of the current *real*
- * state of the radio rfkill switch.
- *
- * Devices which are subject to external changes on their rfkill
- * state (such as those caused by a hardware rfkill line) MUST
- * have their driver arrange to call rfkill_force_state() as soon
- * as possible after such a change.
- *
- * This function may not be called from an atomic context.
- */
-int rfkill_force_state(struct rfkill *rfkill, enum rfkill_state state)
-{
-        enum rfkill_state oldstate;
-
-        BUG_ON(!rfkill);
-        if (WARN((state >= RFKILL_STATE_MAX),
-                        KERN_WARNING
-                        "rfkill: illegal state %d passed as parameter "
-                        "to rfkill_force_state\n", state))
-                return -EINVAL;
-
-        mutex_lock(&rfkill->mutex);
-
-        oldstate = rfkill->state;
-        rfkill->state = state;
-
-        if (state != oldstate)
-                rfkill_uevent(rfkill);
-
-        mutex_unlock(&rfkill->mutex);
-        rfkill_led_trigger(rfkill, rfkill->state);
-
-        return 0;
-}
-EXPORT_SYMBOL(rfkill_force_state);
-
-static ssize_t rfkill_name_show(struct device *dev,
-                                struct device_attribute *attr,
-                                char *buf)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-
-        return sprintf(buf, "%s\n", rfkill->name);
-}
-
-static const char *rfkill_get_type_str(enum rfkill_type type)
-{
-        switch (type) {
-        case RFKILL_TYPE_WLAN:
-                return "wlan";
-        case RFKILL_TYPE_BLUETOOTH:
-                return "bluetooth";
-        case RFKILL_TYPE_UWB:
-                return "ultrawideband";
-        case RFKILL_TYPE_WIMAX:
-                return "wimax";
-        case RFKILL_TYPE_WWAN:
-                return "wwan";
-        default:
-                BUG();
-        }
-}
-
-static ssize_t rfkill_type_show(struct device *dev,
-                                struct device_attribute *attr,
-                                char *buf)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-
-        return sprintf(buf, "%s\n", rfkill_get_type_str(rfkill->type));
-}
-
-static ssize_t rfkill_state_show(struct device *dev,
-                                 struct device_attribute *attr,
-                                 char *buf)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-
-        update_rfkill_state(rfkill);
-        return sprintf(buf, "%d\n", rfkill->state);
-}
-
-static ssize_t rfkill_state_store(struct device *dev,
-                                  struct device_attribute *attr,
-                                  const char *buf, size_t count)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-        unsigned long state;
-        int error;
-
-        if (!capable(CAP_NET_ADMIN))
-                return -EPERM;
-
-        error = strict_strtoul(buf, 0, &state);
-        if (error)
-                return error;
-
-        /* RFKILL_STATE_HARD_BLOCKED is illegal here... */
-        if (state != RFKILL_STATE_UNBLOCKED &&
-            state != RFKILL_STATE_SOFT_BLOCKED)
-                return -EINVAL;
-
-        error = mutex_lock_killable(&rfkill->mutex);
-        if (error)
-                return error;
-
-        if (!rfkill_epo_lock_active)
-                error = rfkill_toggle_radio(rfkill, state, 0);
-        else
-                error = -EPERM;
-
-        mutex_unlock(&rfkill->mutex);
-
-        return error ? error : count;
-}
-
-static ssize_t rfkill_claim_show(struct device *dev,
-                                 struct device_attribute *attr,
-                                 char *buf)
-{
-        return sprintf(buf, "%d\n", 0);
-}
-
-static ssize_t rfkill_claim_store(struct device *dev,
-                                  struct device_attribute *attr,
-                                  const char *buf, size_t count)
-{
-        return -EOPNOTSUPP;
-}
-
-static struct device_attribute rfkill_dev_attrs[] = {
-        __ATTR(name, S_IRUGO, rfkill_name_show, NULL),
-        __ATTR(type, S_IRUGO, rfkill_type_show, NULL),
-        __ATTR(state, S_IRUGO|S_IWUSR, rfkill_state_show, rfkill_state_store),
-        __ATTR(claim, S_IRUGO|S_IWUSR, rfkill_claim_show, rfkill_claim_store),
-        __ATTR_NULL
-};
-
-static void rfkill_release(struct device *dev)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-
-        kfree(rfkill);
-        module_put(THIS_MODULE);
-}
-
-#ifdef CONFIG_PM
-static int rfkill_suspend(struct device *dev, pm_message_t state)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-
-        /* mark class device as suspended */
-        if (dev->power.power_state.event != state.event)
-                dev->power.power_state = state;
-
-        /* store state for the resume handler */
-        rfkill->state_for_resume = rfkill->state;
-
-        return 0;
-}
-
-static int rfkill_resume(struct device *dev)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-        enum rfkill_state newstate;
-
-        if (dev->power.power_state.event != PM_EVENT_ON) {
-                mutex_lock(&rfkill->mutex);
-
-                dev->power.power_state.event = PM_EVENT_ON;
-
-                /*
-                 * rfkill->state could have been modified before we got
-                 * called, and won't be updated by rfkill_toggle_radio()
-                 * in force mode.  Sync it FIRST.
-                 */
-                if (rfkill->get_state &&
-                    !rfkill->get_state(rfkill->data, &newstate))
-                        rfkill->state = newstate;
-
-                /*
-                 * If we are under EPO, kick transmitter offline,
-                 * otherwise restore to pre-suspend state.
-                 *
-                 * Issue a notification in any case
-                 */
-                rfkill_toggle_radio(rfkill,
-                                rfkill_epo_lock_active ?
-                                        RFKILL_STATE_SOFT_BLOCKED :
-                                        rfkill->state_for_resume,
-                                1);
-
-                mutex_unlock(&rfkill->mutex);
-                rfkill_led_trigger(rfkill, rfkill->state);
-        }
-
-        return 0;
-}
-#else
-#define rfkill_suspend NULL
-#define rfkill_resume NULL
-#endif
-
-static int rfkill_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
-{
-        struct rfkill *rfkill = to_rfkill(dev);
-        int error;
-
-        error = add_uevent_var(env, "RFKILL_NAME=%s", rfkill->name);
-        if (error)
-                return error;
-        error = add_uevent_var(env, "RFKILL_TYPE=%s",
-                                rfkill_get_type_str(rfkill->type));
-        if (error)
-                return error;
-        error = add_uevent_var(env, "RFKILL_STATE=%d", rfkill->state);
-        return error;
-}
-
-static struct class rfkill_class = {
-        .name           = "rfkill",
-        .dev_release    = rfkill_release,
-        .dev_attrs      = rfkill_dev_attrs,
-        .suspend        = rfkill_suspend,
-        .resume         = rfkill_resume,
-        .dev_uevent     = rfkill_dev_uevent,
-};
-
-static int rfkill_check_duplicity(const struct rfkill *rfkill)
-{
-        struct rfkill *p;
-        unsigned long seen[BITS_TO_LONGS(RFKILL_TYPE_MAX)];
-
-        memset(seen, 0, sizeof(seen));
-
-        list_for_each_entry(p, &rfkill_list, node) {
-                if (WARN((p == rfkill), KERN_WARNING
-                                "rfkill: illegal attempt to register "
-                                "an already registered rfkill struct\n"))
-                        return -EEXIST;
-                set_bit(p->type, seen);
-        }
-
-        /* 0: first switch of its kind */
-        return (test_bit(rfkill->type, seen)) ? 1 : 0;
-}
-
-static int rfkill_add_switch(struct rfkill *rfkill)
-{
-        int error;
-
-        mutex_lock(&rfkill_global_mutex);
-
-        error = rfkill_check_duplicity(rfkill);
-        if (error < 0)
-                goto unlock_out;
-
-        if (!error) {
-                /* lock default after first use */
-                set_bit(rfkill->type, rfkill_states_lockdflt);
-                rfkill_global_states[rfkill->type].current_state =
-                        rfkill_global_states[rfkill->type].default_state;
-        }
-
-        rfkill_toggle_radio(rfkill,
-                            rfkill_global_states[rfkill->type].current_state,
-                            0);
-
-        list_add_tail(&rfkill->node, &rfkill_list);
-
-        error = 0;
-unlock_out:
-        mutex_unlock(&rfkill_global_mutex);
-
-        return error;
-}
-
-static void rfkill_remove_switch(struct rfkill *rfkill)
-{
-        mutex_lock(&rfkill_global_mutex);
-        list_del_init(&rfkill->node);
-        mutex_unlock(&rfkill_global_mutex);
-
-        mutex_lock(&rfkill->mutex);
-        rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1);
-        mutex_unlock(&rfkill->mutex);
-}
-
-/**
- * rfkill_allocate - allocate memory for rfkill structure.
- * @parent: device that has rf switch on it
- * @type: type of the switch (RFKILL_TYPE_*)
- *
- * This function should be called by the network driver when it needs
- * rfkill structure.  Once the structure is allocated the driver should
- * finish its initialization by setting the name, private data, enable_radio
- * and disable_radio methods and then register it with rfkill_register().
- *
- * NOTE: If registration fails the structure shoudl be freed by calling
- * rfkill_free() otherwise rfkill_unregister() should be used.
- */
-struct rfkill * __must_check rfkill_allocate(struct device *parent,
-                                             enum rfkill_type type)
-{
-        struct rfkill *rfkill;
-        struct device *dev;
-
-        if (WARN((type >= RFKILL_TYPE_MAX),
-                        KERN_WARNING
-                        "rfkill: illegal type %d passed as parameter "
-                        "to rfkill_allocate\n", type))
-                return NULL;
-
-        rfkill = kzalloc(sizeof(struct rfkill), GFP_KERNEL);
-        if (!rfkill)
-                return NULL;
-
-        mutex_init(&rfkill->mutex);
-        INIT_LIST_HEAD(&rfkill->node);
-        rfkill->type = type;
-
-        dev = &rfkill->dev;
-        dev->class = &rfkill_class;
-        dev->parent = parent;
-        device_initialize(dev);
-
-        __module_get(THIS_MODULE);
-
-        return rfkill;
-}
-EXPORT_SYMBOL(rfkill_allocate);
-
-/**
- * rfkill_free - Mark rfkill structure for deletion
- * @rfkill: rfkill structure to be destroyed
- *
- * Decrements reference count of the rfkill structure so it is destroyed.
- * Note that rfkill_free() should _not_ be called after rfkill_unregister().
- */
-void rfkill_free(struct rfkill *rfkill)
-{
-        if (rfkill)
-                put_device(&rfkill->dev);
-}
-EXPORT_SYMBOL(rfkill_free);
-
-static void rfkill_led_trigger_register(struct rfkill *rfkill)
-{
-#ifdef CONFIG_RFKILL_LEDS
-        int error;
-
-        if (!rfkill->led_trigger.name)
-                rfkill->led_trigger.name = dev_name(&rfkill->dev);
-        if (!rfkill->led_trigger.activate)
-                rfkill->led_trigger.activate = rfkill_led_trigger_activate;
-        error = led_trigger_register(&rfkill->led_trigger);
-        if (error)
-                rfkill->led_trigger.name = NULL;
-#endif /* CONFIG_RFKILL_LEDS */
-}
-
-static void rfkill_led_trigger_unregister(struct rfkill *rfkill)
-{
-#ifdef CONFIG_RFKILL_LEDS
-        if (rfkill->led_trigger.name) {
-                led_trigger_unregister(&rfkill->led_trigger);
-                rfkill->led_trigger.name = NULL;
-        }
-#endif
-}
-
-/**
- * rfkill_register - Register a rfkill structure.
- * @rfkill: rfkill structure to be registered
- *
- * This function should be called by the network driver when the rfkill
- * structure needs to be registered. Immediately from registration the
- * switch driver should be able to service calls to toggle_radio.
- */
-int __must_check rfkill_register(struct rfkill *rfkill)
-{
-        static atomic_t rfkill_no = ATOMIC_INIT(0);
-        struct device *dev = &rfkill->dev;
-        int error;
-
-        if (WARN((!rfkill || !rfkill->toggle_radio ||
-                        rfkill->type >= RFKILL_TYPE_MAX ||
-                        rfkill->state >= RFKILL_STATE_MAX),
-                        KERN_WARNING
-                        "rfkill: attempt to register a "
-                        "badly initialized rfkill struct\n"))
-                return -EINVAL;
-
-        dev_set_name(dev, "rfkill%ld", (long)atomic_inc_return(&rfkill_no) - 1);
-
-        rfkill_led_trigger_register(rfkill);
-
-        error = rfkill_add_switch(rfkill);
-        if (error) {
-                rfkill_led_trigger_unregister(rfkill);
-                return error;
-        }
-
-        error = device_add(dev);
-        if (error) {
-                rfkill_remove_switch(rfkill);
-                rfkill_led_trigger_unregister(rfkill);
-                return error;
-        }
-
-        return 0;
-}
-EXPORT_SYMBOL(rfkill_register);
-
-/**
- * rfkill_unregister - Unregister a rfkill structure.
- * @rfkill: rfkill structure to be unregistered
- *
- * This function should be called by the network driver during device
- * teardown to destroy rfkill structure. Note that rfkill_free() should
- * _not_ be called after rfkill_unregister().
- */
-void rfkill_unregister(struct rfkill *rfkill)
-{
-        BUG_ON(!rfkill);
-        device_del(&rfkill->dev);
-        rfkill_remove_switch(rfkill);
-        rfkill_led_trigger_unregister(rfkill);
-        put_device(&rfkill->dev);
-}
-EXPORT_SYMBOL(rfkill_unregister);
-
-/**
- * rfkill_set_default - set initial value for a switch type
- * @type - the type of switch to set the default state of
- * @state - the new default state for that group of switches
- *
- * Sets the initial state rfkill should use for a given type.
- * The following initial states are allowed: RFKILL_STATE_SOFT_BLOCKED
- * and RFKILL_STATE_UNBLOCKED.
- *
- * This function is meant to be used by platform drivers for platforms
- * that can save switch state across power down/reboot.
- *
- * The default state for each switch type can be changed exactly once.
- * After a switch of that type is registered, the default state cannot
- * be changed anymore.  This guards against multiple drivers it the
- * same platform trying to set the initial switch default state, which
- * is not allowed.
- *
- * Returns -EPERM if the state has already been set once or is in use,
- * so drivers likely want to either ignore or at most printk(KERN_NOTICE)
- * if this function returns -EPERM.
- *
- * Returns 0 if the new default state was set, or an error if it
- * could not be set.
- */
-int rfkill_set_default(enum rfkill_type type, enum rfkill_state state)
-{
-        int error;
-
-        if (WARN((type >= RFKILL_TYPE_MAX ||
-                        (state != RFKILL_STATE_SOFT_BLOCKED &&
-                         state != RFKILL_STATE_UNBLOCKED)),
-                        KERN_WARNING
-                        "rfkill: illegal state %d or type %d passed as "
-                        "parameter to rfkill_set_default\n", state, type))
-                return -EINVAL;
-
-        mutex_lock(&rfkill_global_mutex);
-
-        if (!test_and_set_bit(type, rfkill_states_lockdflt)) {
-                rfkill_global_states[type].default_state = state;
-                rfkill_global_states[type].current_state = state;
-                error = 0;
-        } else
-                error = -EPERM;
-
-        mutex_unlock(&rfkill_global_mutex);
-        return error;
-}
-EXPORT_SYMBOL_GPL(rfkill_set_default);
-
-/*
- * Rfkill module initialization/deinitialization.
- */
-static int __init rfkill_init(void)
-{
-        int error;
-        int i;
-
-        /* RFKILL_STATE_HARD_BLOCKED is illegal here... */
-        if (rfkill_default_state != RFKILL_STATE_SOFT_BLOCKED &&
-            rfkill_default_state != RFKILL_STATE_UNBLOCKED)
-                return -EINVAL;
-
-        for (i = 0; i < RFKILL_TYPE_MAX; i++)
-                rfkill_global_states[i].default_state = rfkill_default_state;
-
-        error = class_register(&rfkill_class);
-        if (error) {
-                printk(KERN_ERR "rfkill: unable to register rfkill class\n");
-                return error;
-        }
-
-        return 0;
-}
-
-static void __exit rfkill_exit(void)
-{
-        class_unregister(&rfkill_class);
-}
-
-subsys_initcall(rfkill_init);
-module_exit(rfkill_exit);
diff --git a/net/rfkill/rfkill-input.h b/net/rfkill/rfkill.h
index fe8df6b5b935..d1117cb6e4de 100644
--- a/net/rfkill/rfkill-input.h
+++ b/net/rfkill/rfkill.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2007 Ivo van Doorn
+ * Copyright 2009 Johannes Berg <johannes@sipsolutions.net>
  */
 
 /*
@@ -11,11 +12,16 @@
 #ifndef __RFKILL_INPUT_H
 #define __RFKILL_INPUT_H
 
-void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state);
+/* core code */
+void rfkill_switch_all(const enum rfkill_type type, bool blocked);
 void rfkill_epo(void);
 void rfkill_restore_states(void);
 void rfkill_remove_epo_lock(void);
 bool rfkill_is_epo_lock_active(void);
-enum rfkill_state rfkill_get_global_state(const enum rfkill_type type);
+bool rfkill_get_global_sw_state(const enum rfkill_type type);
+
+/* input handler */
+int rfkill_handler_init(void);
+void rfkill_handler_exit(void);
 
 #endif /* __RFKILL_INPUT_H */
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 0759f32e9dca..09cdcdfe7e91 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -135,6 +135,7 @@ static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n, void *arg)
         unsigned long cl;
         unsigned long fh;
         int err;
+        int tp_created = 0;
 
         if (net != &init_net)
                 return -EINVAL;
@@ -266,10 +267,7 @@ replay:
                         goto errout;
                 }
 
-                spin_lock_bh(root_lock);
-                tp->next = *back;
-                *back = tp;
-                spin_unlock_bh(root_lock);
+                tp_created = 1;
 
         } else if (tca[TCA_KIND] && nla_strcmp(tca[TCA_KIND], tp->ops->kind))
                 goto errout;
@@ -296,8 +294,11 @@ replay:
                 switch (n->nlmsg_type) {
                 case RTM_NEWTFILTER:
                         err = -EEXIST;
-                        if (n->nlmsg_flags & NLM_F_EXCL)
+                        if (n->nlmsg_flags & NLM_F_EXCL) {
+                                if (tp_created)
+                                        tcf_destroy(tp);
                                 goto errout;
+                        }
                         break;
                 case RTM_DELTFILTER:
                         err = tp->ops->delete(tp, fh);
@@ -314,8 +315,18 @@ replay:
         }
 
         err = tp->ops->change(tp, cl, t->tcm_handle, tca, &fh);
-        if (err == 0)
+        if (err == 0) {
+                if (tp_created) {
+                        spin_lock_bh(root_lock);
+                        tp->next = *back;
+                        *back = tp;
+                        spin_unlock_bh(root_lock);
+                }
                 tfilter_notify(skb, n, tp, fh, RTM_NEWTFILTER);
+        } else {
+                if (tp_created)
+                        tcf_destroy(tp);
+        }
 
 errout:
         if (cl)
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 1ab4542e61e0..0f815cc6a3db 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -98,8 +98,7 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
                                struct tcf_result *res)
 {
         struct cls_cgroup_head *head = tp->root;
-        struct cgroup_cls_state *cs;
-        int ret = 0;
+        u32 classid;
 
         /*
          * Due to the nature of the classifier it is required to ignore all
@@ -115,17 +114,18 @@ static int cls_cgroup_classify(struct sk_buff *skb, struct tcf_proto *tp,
                 return -1;
 
         rcu_read_lock();
-        cs = task_cls_state(current);
-        if (cs->classid && tcf_em_tree_match(skb, &head->ematches, NULL)) {
-                res->classid = cs->classid;
-                res->class = 0;
-                ret = tcf_exts_exec(skb, &head->exts, res);
-        } else
-                ret = -1;
-
+        classid = task_cls_state(current)->classid;
         rcu_read_unlock();
 
-        return ret;
+        if (!classid)
+                return -1;
+
+        if (!tcf_em_tree_match(skb, &head->ematches, NULL))
+                return -1;
+
+        res->classid = classid;
+        res->class = 0;
+        return tcf_exts_exec(skb, &head->exts, res);
 }
 
 static unsigned long cls_cgroup_get(struct tcf_proto *tp, u32 handle)
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 0ef4e3065bcd..9402a7fd3785 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -84,7 +84,7 @@ static u32 flow_get_dst(const struct sk_buff *skb)
         case htons(ETH_P_IPV6):
                 return ntohl(ipv6_hdr(skb)->daddr.s6_addr32[3]);
         default:
-                return addr_fold(skb->dst) ^ (__force u16)skb->protocol;
+                return addr_fold(skb_dst(skb)) ^ (__force u16)skb->protocol;
         }
 }
 
@@ -163,7 +163,7 @@ static u32 flow_get_proto_dst(const struct sk_buff *skb)
                 break;
         }
         default:
-                res = addr_fold(skb->dst) ^ (__force u16)skb->protocol;
+                res = addr_fold(skb_dst(skb)) ^ (__force u16)skb->protocol;
         }
 
         return res;
@@ -251,8 +251,8 @@ fallback:
 static u32 flow_get_rtclassid(const struct sk_buff *skb)
 {
 #ifdef CONFIG_NET_CLS_ROUTE
-        if (skb->dst)
-                return skb->dst->tclassid;
+        if (skb_dst(skb))
+                return skb_dst(skb)->tclassid;
 #endif
         return 0;
 }
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index bdf1f4172eef..dd872d5383ef 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -137,7 +137,7 @@ static int route4_classify(struct sk_buff *skb, struct tcf_proto *tp,
         u32 id, h;
         int iif, dont_cache = 0;
 
-        if ((dst = skb->dst) == NULL)
+        if ((dst = skb_dst(skb)) == NULL)
                 goto failure;
 
         id = dst->tclassid;
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index fad596bf32d7..266151ae85a3 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -246,11 +246,11 @@ META_COLLECTOR(int_tcindex)
 
 META_COLLECTOR(int_rtclassid)
 {
-        if (unlikely(skb->dst == NULL))
+        if (unlikely(skb_dst(skb) == NULL))
                 *err = -1;
         else
 #ifdef CONFIG_NET_CLS_ROUTE
-                dst->value = skb->dst->tclassid;
+                dst->value = skb_dst(skb)->tclassid;
 #else
                 dst->value = 0;
 #endif
@@ -258,10 +258,10 @@ META_COLLECTOR(int_rtclassid)
 
 META_COLLECTOR(int_rtiif)
 {
-        if (unlikely(skb->rtable == NULL))
+        if (unlikely(skb_rtable(skb) == NULL))
                 *err = -1;
         else
-                dst->value = skb->rtable->fl.iif;
+                dst->value = skb_rtable(skb)->fl.iif;
 }
 
 /**************************************************************************
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 5022f9c1f34b..362c2811b2df 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -372,7 +372,7 @@ cftree_update(struct hfsc_class *cl)
  *      ism: (psched_us/byte) << ISM_SHIFT
  *      dx: psched_us
  *
- * The clock source resolution with ktime is 1.024us.
+ * The clock source resolution with ktime and PSCHED_SHIFT 10 is 1.024us.
  *
  * sm and ism are scaled in order to keep effective digits.
  * SM_SHIFT and ISM_SHIFT are selected to keep at least 4 effective
@@ -383,9 +383,11 @@ cftree_update(struct hfsc_class *cl)
  *  bytes/1.024us 12.8e-3    128e-3     1280e-3    12800e-3   128000e-3
  *
  *  1.024us/byte  78.125     7.8125     0.78125    0.078125   0.0078125
+ *
+ * So, for PSCHED_SHIFT 10 we need: SM_SHIFT 20, ISM_SHIFT 18.
  */
-#define SM_SHIFT        20
-#define ISM_SHIFT       18
+#define SM_SHIFT        (30 - PSCHED_SHIFT)
+#define ISM_SHIFT       (8 + PSCHED_SHIFT)
 
 #define SM_MASK         ((1ULL << SM_SHIFT) - 1)
 #define ISM_MASK        ((1ULL << ISM_SHIFT) - 1)
diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c
index 33133d27b539..8706920a6d45 100644
--- a/net/sched/sch_sfq.c
+++ b/net/sched/sch_sfq.c
@@ -149,7 +149,7 @@ static unsigned sfq_hash(struct sfq_sched_data *q, struct sk_buff *skb)
                 break;
         }
         default:
-                h = (unsigned long)skb->dst ^ skb->protocol;
+                h = (unsigned long)skb_dst(skb) ^ skb->protocol;
                 h2 = (unsigned long)skb->sk;
         }
 
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index a886496bdc3a..cb1cb1e76b9a 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -222,7 +222,7 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *
 {
         struct netdev_queue *dev_queue = netdev_get_tx_queue(dev, 0);
         struct teql_sched_data *q = qdisc_priv(dev_queue->qdisc);
-        struct neighbour *mn = skb->dst->neighbour;
+        struct neighbour *mn = skb_dst(skb)->neighbour;
         struct neighbour *n = q->ncache;
 
         if (mn->tbl == NULL)
@@ -262,8 +262,8 @@ static inline int teql_resolve(struct sk_buff *skb,
                 return -ENODEV;
 
         if (dev->header_ops == NULL ||
-            skb->dst == NULL ||
-            skb->dst->neighbour == NULL)
+            skb_dst(skb) == NULL ||
+            skb_dst(skb)->neighbour == NULL)
                 return 0;
         return __teql_resolve(skb, skb_res, dev);
 }
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index f4b23043b610..525864bf4f07 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -293,7 +293,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
          * told otherwise.
          */
         asoc->peer.ipv4_address = 1;
-        asoc->peer.ipv6_address = 1;
+        if (asoc->base.sk->sk_family == PF_INET6)
+                asoc->peer.ipv6_address = 1;
         INIT_LIST_HEAD(&asoc->asocs);
 
         asoc->autoclose = sp->autoclose;
@@ -566,6 +567,21 @@ void sctp_assoc_rm_peer(struct sctp_association *asoc,
         if (asoc->init_last_sent_to == peer)
                 asoc->init_last_sent_to = NULL;
 
+        /* If we remove the transport an SHUTDOWN was last sent to, set it
+         * to NULL. Combined with the update of the retran path above, this
+         * will cause the next SHUTDOWN to be sent to the next available
+         * transport, maintaining the cycle.
+         */
+        if (asoc->shutdown_last_sent_to == peer)
+                asoc->shutdown_last_sent_to = NULL;
+
+        /* If we remove the transport an ASCONF was last sent to, set it to
+         * NULL.
+         */
+        if (asoc->addip_last_asconf &&
+            asoc->addip_last_asconf->transport == peer)
+                asoc->addip_last_asconf->transport = NULL;
+
         asoc->peer.transport_count--;
 
         sctp_transport_free(peer);
@@ -1268,49 +1284,21 @@ void sctp_assoc_update_retran_path(struct sctp_association *asoc)
                                  ntohs(t->ipaddr.v4.sin_port));
 }
 
-/* Choose the transport for sending a INIT packet.  */
-struct sctp_transport *sctp_assoc_choose_init_transport(
-        struct sctp_association *asoc)
-{
-        struct sctp_transport *t;
-
-        /* Use the retran path. If the last INIT was sent over the
-         * retran path, update the retran path and use it.
-         */
-        if (!asoc->init_last_sent_to) {
-                t = asoc->peer.active_path;
-        } else {
-                if (asoc->init_last_sent_to == asoc->peer.retran_path)
-                        sctp_assoc_update_retran_path(asoc);
-                t = asoc->peer.retran_path;
-        }
-
-        SCTP_DEBUG_PRINTK_IPADDR("sctp_assoc_update_retran_path:association"
-                                 " %p addr: ",
-                                 " port: %d\n",
-                                 asoc,
-                                 (&t->ipaddr),
-                                 ntohs(t->ipaddr.v4.sin_port));
-
-        return t;
-}
-
-/* Choose the transport for sending a SHUTDOWN packet.  */
-struct sctp_transport *sctp_assoc_choose_shutdown_transport(
-        struct sctp_association *asoc)
+/* Choose the transport for sending retransmit packet.  */
+struct sctp_transport *sctp_assoc_choose_alter_transport(
+        struct sctp_association *asoc, struct sctp_transport *last_sent_to)
 {
-        /* If this is the first time SHUTDOWN is sent, use the active path,
-         * else use the retran path. If the last SHUTDOWN was sent over the
+        /* If this is the first time packet is sent, use the active path,
+         * else use the retran path. If the last packet was sent over the
          * retran path, update the retran path and use it.
          */
-        if (!asoc->shutdown_last_sent_to)
+        if (!last_sent_to)
                 return asoc->peer.active_path;
         else {
-                if (asoc->shutdown_last_sent_to == asoc->peer.retran_path)
+                if (last_sent_to == asoc->peer.retran_path)
                         sctp_assoc_update_retran_path(asoc);
                 return asoc->peer.retran_path;
         }
-
 }
 
 /* Update the association's pmtu and frag_point by going through all the
@@ -1482,6 +1470,10 @@ int sctp_assoc_set_id(struct sctp_association *asoc, gfp_t gfp)
 {
         int assoc_id;
         int error = 0;
+
+        /* If the id is already assigned, keep it. */
+        if (asoc->assoc_id)
+                return error;
 retry:
         if (unlikely(!idr_pre_get(&sctp_assocs_id, gfp)))
                 return -ENOMEM;
diff --git a/net/sctp/input.c b/net/sctp/input.c
index d2e98803ffe3..c0c973e67add 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -81,13 +81,13 @@ static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb);
 /* Calculate the SCTP checksum of an SCTP packet.  */
 static inline int sctp_rcv_checksum(struct sk_buff *skb)
 {
-        struct sk_buff *list = skb_shinfo(skb)->frag_list;
         struct sctphdr *sh = sctp_hdr(skb);
         __le32 cmp = sh->checksum;
+        struct sk_buff *list;
         __le32 val;
         __u32 tmp = sctp_start_cksum((__u8 *)sh, skb_headlen(skb));
 
-        for (; list; list = list->next)
+        skb_walk_frags(skb, list)
                 tmp = sctp_update_cksum((__u8 *)list->data, skb_headlen(list),
                                         tmp);
 
diff --git a/net/sctp/output.c b/net/sctp/output.c
index f0c91df59d4e..b76411444515 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -405,10 +405,10 @@ int sctp_packet_transmit(struct sctp_packet *packet)
                         sctp_assoc_sync_pmtu(asoc);
                 }
         }
-        nskb->dst = dst_clone(tp->dst);
-        if (!nskb->dst)
+        dst = dst_clone(tp->dst);
+        skb_dst_set(nskb, dst);
+        if (dst)
                 goto no_route;
-        dst = nskb->dst;
 
         /* Build the SCTP header.  */
         sh = (struct sctphdr *)skb_push(nskb, sizeof(struct sctphdr));
diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c
index 8eb3e61cb701..79cbd47f4df7 100644
--- a/net/sctp/protocol.c
+++ b/net/sctp/protocol.c
@@ -393,7 +393,7 @@ static int sctp_v4_addr_valid(union sctp_addr *addr,
                 return 0;
 
         /* Is this a broadcast address? */
-        if (skb && skb->rtable->rt_flags & RTCF_BROADCAST)
+        if (skb && skb_rtable(skb)->rt_flags & RTCF_BROADCAST)
                 return 0;
 
         return 1;
@@ -572,7 +572,7 @@ static void sctp_v4_get_saddr(struct sctp_sock *sk,
 /* What interface did this skb arrive on? */
 static int sctp_v4_skb_iif(const struct sk_buff *skb)
 {
-        return skb->rtable->rt_iif;
+        return skb_rtable(skb)->rt_iif;
 }
 
 /* Was this packet marked by Explicit Congestion Notification? */
@@ -848,8 +848,8 @@ static inline int sctp_v4_xmit(struct sk_buff *skb,
 
         SCTP_DEBUG_PRINTK("%s: skb:%p, len:%d, src:%pI4, dst:%pI4\n",
                           __func__, skb, skb->len,
-                          &skb->rtable->rt_src,
-                          &skb->rtable->rt_dst);
+                          &skb_rtable(skb)->rt_src,
+                          &skb_rtable(skb)->rt_dst);
 
         inet->pmtudisc = transport->param_flags & SPP_PMTUD_ENABLE ?
                          IP_PMTUDISC_DO : IP_PMTUDISC_DONT;
@@ -1370,6 +1370,8 @@ SCTP_STATIC __exit void sctp_exit(void)
         sctp_proc_exit();
         cleanup_sctp_mibs();
 
+        rcu_barrier(); /* Wait for completion of call_rcu()'s */
+
         kmem_cache_destroy(sctp_chunk_cachep);
         kmem_cache_destroy(sctp_bucket_cachep);
 }
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 6851ee94e974..61cc6075b0df 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -2864,19 +2864,19 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
         switch (addr_param->v4.param_hdr.type) {
         case SCTP_PARAM_IPV6_ADDRESS:
                 if (!asoc->peer.ipv6_address)
-                        return SCTP_ERROR_INV_PARAM;
+                        return SCTP_ERROR_DNS_FAILED;
                 break;
         case SCTP_PARAM_IPV4_ADDRESS:
                 if (!asoc->peer.ipv4_address)
-                        return SCTP_ERROR_INV_PARAM;
+                        return SCTP_ERROR_DNS_FAILED;
                 break;
         default:
-                return SCTP_ERROR_INV_PARAM;
+                return SCTP_ERROR_DNS_FAILED;
         }
 
         af = sctp_get_af_specific(param_type2af(addr_param->v4.param_hdr.type));
         if (unlikely(!af))
-                return SCTP_ERROR_INV_PARAM;
+                return SCTP_ERROR_DNS_FAILED;
 
         af->from_addr_param(&addr, addr_param, htons(asoc->peer.port), 0);
 
@@ -2886,7 +2886,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
          *  make sure we check for that)
          */
         if (!af->is_any(&addr) && !af->addr_valid(&addr, NULL, asconf->skb))
-                return SCTP_ERROR_INV_PARAM;
+                return SCTP_ERROR_DNS_FAILED;
 
         switch (asconf_param->param_hdr.type) {
         case SCTP_PARAM_ADD_IP:
@@ -2954,12 +2954,12 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
 
                 peer = sctp_assoc_lookup_paddr(asoc, &addr);
                 if (!peer)
-                        return SCTP_ERROR_INV_PARAM;
+                        return SCTP_ERROR_DNS_FAILED;
 
                 sctp_assoc_set_primary(asoc, peer);
                 break;
         default:
-                return SCTP_ERROR_INV_PARAM;
+                return SCTP_ERROR_UNKNOWN_PARAM;
                 break;
         }
 
@@ -3273,7 +3273,7 @@ int sctp_process_asconf_ack(struct sctp_association *asoc,
                         retval = 1;
                         break;
 
-                case SCTP_ERROR_INV_PARAM:
+                case SCTP_ERROR_UNKNOWN_PARAM:
                         /* Disable sending this type of asconf parameter in
                          * future.
                          */
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index e2020eb2c8ca..86426aac1600 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -686,7 +686,8 @@ static void sctp_cmd_setup_t2(sctp_cmd_seq_t *cmds,
 {
         struct sctp_transport *t;
 
-        t = sctp_assoc_choose_shutdown_transport(asoc);
+        t = sctp_assoc_choose_alter_transport(asoc,
+                                              asoc->shutdown_last_sent_to);
         asoc->shutdown_last_sent_to = t;
         asoc->timeouts[SCTP_EVENT_TIMEOUT_T2_SHUTDOWN] = t->rto;
         chunk->transport = t;
@@ -777,7 +778,7 @@ static void sctp_cmd_setup_t4(sctp_cmd_seq_t *cmds,
 {
         struct sctp_transport *t;
 
-        t = asoc->peer.active_path;
+        t = sctp_assoc_choose_alter_transport(asoc, chunk->transport);
         asoc->timeouts[SCTP_EVENT_TIMEOUT_T4_RTO] = t->rto;
         chunk->transport = t;
 }
@@ -1379,7 +1380,8 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 
                 case SCTP_CMD_INIT_CHOOSE_TRANSPORT:
                         chunk = cmd->obj.ptr;
-                        t = sctp_assoc_choose_init_transport(asoc);
+                        t = sctp_assoc_choose_alter_transport(asoc,
+                                                asoc->init_last_sent_to);
                         asoc->init_last_sent_to = t;
                         chunk->transport = t;
                         t->init_sent_count++;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 55a61aa69662..7288192f7df5 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -5432,9 +5432,13 @@ sctp_disposition_t sctp_sf_t2_timer_expire(const struct sctp_endpoint *ep,
         if (!reply)
                 goto nomem;
 
-        /* Do some failure management (Section 8.2). */
-        sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE,
-                        SCTP_TRANSPORT(asoc->shutdown_last_sent_to));
+        /* Do some failure management (Section 8.2).
+         * If we remove the transport an SHUTDOWN was last sent to, don't
+         * do failure management.
+         */
+        if (asoc->shutdown_last_sent_to)
+                sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE,
+                                SCTP_TRANSPORT(asoc->shutdown_last_sent_to));
 
         /* Set the transport for the SHUTDOWN/ACK chunk and the timeout for
          * the T2-shutdown timer.
@@ -5471,7 +5475,9 @@ sctp_disposition_t sctp_sf_t4_timer_expire(
          * detection on the appropriate destination address as defined in
          * RFC2960 [5] section 8.1 and 8.2.
          */
-        sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE, SCTP_TRANSPORT(transport));
+        if (transport)
+                sctp_add_cmd_sf(commands, SCTP_CMD_STRIKE,
+                                SCTP_TRANSPORT(transport));
 
         /* Reconfig T4 timer and transport. */
         sctp_add_cmd_sf(commands, SCTP_CMD_SETUP_T4, SCTP_CHUNK(chunk));
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c
index 5c8186d88c61..6d9b3aafcc5d 100644
--- a/net/sctp/sm_statetable.c
+++ b/net/sctp/sm_statetable.c
@@ -698,7 +698,7 @@ chunk_event_table_unknown[SCTP_STATE_NUM_STATES] = {
         TYPE_SCTP_FUNC(sctp_sf_do_prm_asconf), \
         /* SCTP_STATE_SHUTDOWN_ACK_SENT */ \
         TYPE_SCTP_FUNC(sctp_sf_error_shutdown), \
-} /* TYPE_SCTP_PRIMITIVE_REQUESTHEARTBEAT */
+} /* TYPE_SCTP_PRIMITIVE_ASCONF */
 
 /* The primary index for this table is the primitive type.
  * The secondary index for this table is the state.
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 5fb3a8c9792e..0f01e5d8a24f 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1100,6 +1100,15 @@ static int __sctp_connect(struct sock* sk,
                 goto out_free;
         }
 
+        /* In case the user of sctp_connectx() wants an association
+         * id back, assign one now.
+         */
+        if (assoc_id) {
+                err = sctp_assoc_set_id(asoc, GFP_KERNEL);
+                if (err < 0)
+                        goto out_free;
+        }
+
         err = sctp_primitive_ASSOCIATE(asoc, NULL);
         if (err < 0) {
                 goto out_free;
@@ -1120,7 +1129,7 @@ static int __sctp_connect(struct sock* sk,
         timeo = sock_sndtimeo(sk, f_flags & O_NONBLOCK);
 
         err = sctp_wait_for_connect(asoc, &timeo);
-        if (!err && assoc_id)
+        if ((err == 0 || err == -EINPROGRESS) && assoc_id)
                 *assoc_id = asoc->assoc_id;
 
         /* Don't free association on exit. */
@@ -1264,6 +1273,34 @@ SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
                 return assoc_id;
 }
 
+/*
+ * New (hopefully final) interface for the API.  The option buffer is used
+ * both for the returned association id and the addresses.
+ */
+SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
+                                        char __user *optval,
+                                        int __user *optlen)
+{
+        sctp_assoc_t assoc_id = 0;
+        int err = 0;
+
+        if (len < sizeof(assoc_id))
+                return -EINVAL;
+
+        err = __sctp_setsockopt_connectx(sk,
+                        (struct sockaddr __user *)(optval + sizeof(assoc_id)),
+                        len - sizeof(assoc_id), &assoc_id);
+
+        if (err == 0 || err == -EINPROGRESS) {
+                if (copy_to_user(optval, &assoc_id, sizeof(assoc_id)))
+                        return -EFAULT;
+                if (put_user(sizeof(assoc_id), optlen))
+                        return -EFAULT;
+        }
+
+        return err;
+}
+
 /* API 3.1.4 close() - UDP Style Syntax
  * Applications use close() to perform graceful shutdown (as described in
  * Section 10.1 of [SCTP]) on ALL the associations currently represented
@@ -1844,7 +1881,7 @@ static int sctp_skb_pull(struct sk_buff *skb, int len)
         len -= skb_len;
         __skb_pull(skb, skb_len);
 
-        for (list = skb_shinfo(skb)->frag_list; list; list = list->next) {
+        skb_walk_frags(skb, list) {
                 rlen = sctp_skb_pull(list, len);
                 skb->len -= (len-rlen);
                 skb->data_len -= (len-rlen);
@@ -5578,6 +5615,9 @@ SCTP_STATIC int sctp_getsockopt(struct sock *sk, int level, int optname,
                 retval = sctp_getsockopt_local_addrs(sk, len, optval,
                                                      optlen);
                 break;
+        case SCTP_SOCKOPT_CONNECTX3:
+                retval = sctp_getsockopt_connectx3(sk, len, optval, optlen);
+                break;
         case SCTP_DEFAULT_SEND_PARAM:
                 retval = sctp_getsockopt_default_send_param(sk, len,
                                                             optval, optlen);
@@ -6620,7 +6660,7 @@ static void sctp_sock_rfree_frag(struct sk_buff *skb)
                 goto done;
 
         /* Don't forget the fragments. */
-        for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next)
+        skb_walk_frags(skb, frag)
                 sctp_sock_rfree_frag(frag);
 
 done:
@@ -6635,7 +6675,7 @@ static void sctp_skb_set_owner_r_frag(struct sk_buff *skb, struct sock *sk)
                 goto done;
 
         /* Don't forget the fragments. */
-        for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next)
+        skb_walk_frags(skb, frag)
                 sctp_skb_set_owner_r_frag(frag, sk);
 
 done:
diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c
index f58e994e6852..63eabbc71298 100644
--- a/net/sctp/sysctl.c
+++ b/net/sctp/sysctl.c
@@ -49,8 +49,8 @@ static int zero = 0;
 static int one = 1;
 static int timer_max = 86400000; /* ms in one day */
 static int int_max = INT_MAX;
-static long sack_timer_min = 1;
-static long sack_timer_max = 500;
+static int sack_timer_min = 1;
+static int sack_timer_max = 500;
 
 extern int sysctl_sctp_mem[3];
 extern int sysctl_sctp_rmem[3];
@@ -223,7 +223,7 @@ static ctl_table sctp_table[] = {
                 .ctl_name       = NET_SCTP_SACK_TIMEOUT,
                 .procname       = "sack_timeout",
                 .data           = &sctp_sack_timeout,
-                .maxlen         = sizeof(long),
+                .maxlen         = sizeof(int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec_minmax,
                 .strategy       = sysctl_intvec,
diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c
index 5f186ca550d7..8b3560fd876d 100644
--- a/net/sctp/ulpevent.c
+++ b/net/sctp/ulpevent.c
@@ -976,9 +976,8 @@ static void sctp_ulpevent_receive_data(struct sctp_ulpevent *event,
          * In general, the skb passed from IP can have only 1 level of
          * fragments. But we allow multiple levels of fragments.
          */
-        for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
+        skb_walk_frags(skb, frag)
                 sctp_ulpevent_receive_data(sctp_skb2event(frag), asoc);
-        }
 }
 
 /* Do accounting for bytes just read by user and release the references to
@@ -1003,7 +1002,7 @@ static void sctp_ulpevent_release_data(struct sctp_ulpevent *event)
                 goto done;
 
         /* Don't forget the fragments. */
-        for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
+        skb_walk_frags(skb, frag) {
                 /* NOTE:  skb_shinfos are recursive. Although IP returns
                  * skb's with only 1 level of fragments, SCTP reassembly can
                  * increase the levels.
@@ -1026,7 +1025,7 @@ static void sctp_ulpevent_release_frag_data(struct sctp_ulpevent *event)
                 goto done;
 
         /* Don't forget the fragments. */
-        for (frag = skb_shinfo(skb)->frag_list; frag; frag = frag->next) {
+        skb_walk_frags(skb, frag) {
                 /* NOTE:  skb_shinfos are recursive. Although IP returns
                  * skb's with only 1 level of fragments, SCTP reassembly can
                  * increase the levels.
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index e630b38a6047..66d458fc6920 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -1548,6 +1548,7 @@ static void __exit exit_rpcsec_gss(void)
 {
         gss_svc_shutdown();
         rpcauth_unregister(&authgss_ops);
+        rcu_barrier(); /* Wait for completion of call_rcu()'s */
 }
 
 MODULE_LICENSE("GPL");
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index e18596146013..6c2d61586551 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -918,7 +918,7 @@ static void xs_udp_data_ready(struct sock *sk, int len)
         UDPX_INC_STATS_BH(sk, UDP_MIB_INDATAGRAMS);
 
         /* Something worked... */
-        dst_confirm(skb->dst);
+        dst_confirm(skb_dst(skb));
 
         xprt_adjust_cwnd(task, copied);
         xprt_update_rtt(task);
diff --git a/net/wimax/Kconfig b/net/wimax/Kconfig
index 1b46747a5f5a..e4d97ab476d5 100644
--- a/net/wimax/Kconfig
+++ b/net/wimax/Kconfig
@@ -1,23 +1,10 @@
 #
 # WiMAX LAN device configuration
 #
-# Note the ugly 'depends on' on WIMAX: that disallows RFKILL to be a
-# module if WIMAX is to be linked in. The WiMAX code is done in such a
-# way that it doesn't require and explicit dependency on RFKILL in
-# case an embedded system wants to rip it out.
-#
-# As well, enablement of the RFKILL code means we need the INPUT layer
-# support to inject events coming from hw rfkill switches. That
-# dependency could be killed if input.h provided appropriate means to
-# work when input is disabled.
-
-comment "WiMAX Wireless Broadband support requires CONFIG_INPUT enabled"
-        depends on INPUT = n && RFKILL != n
 
 menuconfig WIMAX
         tristate "WiMAX Wireless Broadband support"
-        depends on (y && RFKILL != m) || m
-        depends on (INPUT && RFKILL != n) || RFKILL = n
+        depends on RFKILL || !RFKILL
         help
 
           Select to configure support for devices that provide
diff --git a/net/wimax/Makefile b/net/wimax/Makefile
index 5b80b941c2c9..8f1510d0cc2b 100644
--- a/net/wimax/Makefile
+++ b/net/wimax/Makefile
@@ -6,6 +6,7 @@ wimax-y :=		\
         op-msg.o        \
         op-reset.o      \
         op-rfkill.o     \
+        op-state-get.o  \
         stack.o
 
 wimax-$(CONFIG_DEBUG_FS) += debugfs.o
diff --git a/net/wimax/debug-levels.h b/net/wimax/debug-levels.h
index 1c29123a3aa9..0975adba6b71 100644
--- a/net/wimax/debug-levels.h
+++ b/net/wimax/debug-levels.h
@@ -36,6 +36,7 @@ enum d_module {
         D_SUBMODULE_DECLARE(op_msg),
         D_SUBMODULE_DECLARE(op_reset),
         D_SUBMODULE_DECLARE(op_rfkill),
+        D_SUBMODULE_DECLARE(op_state_get),
         D_SUBMODULE_DECLARE(stack),
 };
 
diff --git a/net/wimax/debugfs.c b/net/wimax/debugfs.c
index 94d216a46407..6c9bedb7431e 100644
--- a/net/wimax/debugfs.c
+++ b/net/wimax/debugfs.c
@@ -61,6 +61,7 @@ int wimax_debugfs_add(struct wimax_dev *wimax_dev)
         __debugfs_register("wimax_dl_", op_msg, dentry);
         __debugfs_register("wimax_dl_", op_reset, dentry);
         __debugfs_register("wimax_dl_", op_rfkill, dentry);
+        __debugfs_register("wimax_dl_", op_state_get, dentry);
         __debugfs_register("wimax_dl_", stack, dentry);
         result = 0;
 out:
diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index 9ad4d893a566..d631a17186bc 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -108,6 +108,12 @@
  * Don't use skb_push()/skb_pull()/skb_reserve() on the skb, as
  * wimax_msg_send() depends on skb->data being placed at the
  * beginning of the user message.
+ *
+ * Unlike other WiMAX stack calls, this call can be used way early,
+ * even before wimax_dev_add() is called, as long as the
+ * wimax_dev->net_dev pointer is set to point to a proper
+ * net_dev. This is so that drivers can use it early in case they need
+ * to send stuff around or communicate with user space.
  */
 struct sk_buff *wimax_msg_alloc(struct wimax_dev *wimax_dev,
                                 const char *pipe_name,
@@ -115,7 +121,7 @@ struct sk_buff *wimax_msg_alloc(struct wimax_dev *wimax_dev,
                                 gfp_t gfp_flags)
 {
         int result;
-        struct device *dev = wimax_dev->net_dev->dev.parent;
+        struct device *dev = wimax_dev_to_dev(wimax_dev);
         size_t msg_size;
         void *genl_msg;
         struct sk_buff *skb;
@@ -161,7 +167,6 @@ error_genlmsg_put:
 error_new:
         nlmsg_free(skb);
         return ERR_PTR(result);
-
 }
 EXPORT_SYMBOL_GPL(wimax_msg_alloc);
 
@@ -256,10 +261,16 @@ EXPORT_SYMBOL_GPL(wimax_msg_len);
  * Don't use skb_push()/skb_pull()/skb_reserve() on the skb, as
  * wimax_msg_send() depends on skb->data being placed at the
  * beginning of the user message.
+ *
+ * Unlike other WiMAX stack calls, this call can be used way early,
+ * even before wimax_dev_add() is called, as long as the
+ * wimax_dev->net_dev pointer is set to point to a proper
+ * net_dev. This is so that drivers can use it early in case they need
+ * to send stuff around or communicate with user space.
  */
 int wimax_msg_send(struct wimax_dev *wimax_dev, struct sk_buff *skb)
 {
-        struct device *dev = wimax_dev->net_dev->dev.parent;
+        struct device *dev = wimax_dev_to_dev(wimax_dev);
         void *msg = skb->data;
         size_t size = skb->len;
         might_sleep();
diff --git a/net/wimax/op-rfkill.c b/net/wimax/op-rfkill.c
index a3616e2ccb8a..bb102e4aa3e9 100644
--- a/net/wimax/op-rfkill.c
+++ b/net/wimax/op-rfkill.c
@@ -29,8 +29,8 @@
  * A non-polled generic rfkill device is embedded into the WiMAX
  * subsystem's representation of a device.
  *
- * FIXME: Need polled support? use a timer or add the implementation
- *     to the stack.
+ * FIXME: Need polled support? Let drivers provide a poll routine
+ *        and hand it to rfkill ops then?
  *
  * All device drivers have to do is after wimax_dev_init(), call
  * wimax_report_rfkill_hw() and wimax_report_rfkill_sw() to update
@@ -43,7 +43,7 @@
  *   wimax_rfkill()             Kernel calling wimax_rfkill()
  *     __wimax_rf_toggle_radio()
  *
- * wimax_rfkill_toggle_radio()  RF-Kill subsytem calling
+ * wimax_rfkill_set_radio_block()  RF-Kill subsytem calling
  *   __wimax_rf_toggle_radio()
  *
  * __wimax_rf_toggle_radio()
@@ -65,15 +65,11 @@
 #include <linux/wimax.h>
 #include <linux/security.h>
 #include <linux/rfkill.h>
-#include <linux/input.h>
 #include "wimax-internal.h"
 
 #define D_SUBMODULE op_rfkill
 #include "debug-levels.h"
 
-#if defined(CONFIG_RFKILL) || defined(CONFIG_RFKILL_MODULE)
-
-
 /**
  * wimax_report_rfkill_hw - Reports changes in the hardware RF switch
  *
@@ -99,7 +95,6 @@ void wimax_report_rfkill_hw(struct wimax_dev *wimax_dev,
         int result;
         struct device *dev = wimax_dev_to_dev(wimax_dev);
         enum wimax_st wimax_state;
-        enum rfkill_state rfkill_state;
 
         d_fnstart(3, dev, "(wimax_dev %p state %u)\n", wimax_dev, state);
         BUG_ON(state == WIMAX_RF_QUERY);
@@ -112,16 +107,15 @@ void wimax_report_rfkill_hw(struct wimax_dev *wimax_dev,
 
         if (state != wimax_dev->rf_hw) {
                 wimax_dev->rf_hw = state;
-                rfkill_state = state == WIMAX_RF_ON ?
-                        RFKILL_STATE_UNBLOCKED : RFKILL_STATE_SOFT_BLOCKED;
                 if (wimax_dev->rf_hw == WIMAX_RF_ON
                     && wimax_dev->rf_sw == WIMAX_RF_ON)
                         wimax_state = WIMAX_ST_READY;
                 else
                         wimax_state = WIMAX_ST_RADIO_OFF;
+
+                rfkill_set_hw_state(wimax_dev->rfkill, state == WIMAX_RF_OFF);
+
                 __wimax_state_change(wimax_dev, wimax_state);
-                input_report_key(wimax_dev->rfkill_input, KEY_WIMAX,
-                                 rfkill_state);
         }
 error_not_ready:
         mutex_unlock(&wimax_dev->mutex);
@@ -174,6 +168,7 @@ void wimax_report_rfkill_sw(struct wimax_dev *wimax_dev,
                 else
                         wimax_state = WIMAX_ST_RADIO_OFF;
                 __wimax_state_change(wimax_dev, wimax_state);
+                rfkill_set_sw_state(wimax_dev->rfkill, state == WIMAX_RF_OFF);
         }
 error_not_ready:
         mutex_unlock(&wimax_dev->mutex);
@@ -249,36 +244,31 @@ out_no_change:
  *
  * NOTE: This call will block until the operation is completed.
  */
-static
-int wimax_rfkill_toggle_radio(void *data, enum rfkill_state state)
+static int wimax_rfkill_set_radio_block(void *data, bool blocked)
 {
         int result;
         struct wimax_dev *wimax_dev = data;
         struct device *dev = wimax_dev_to_dev(wimax_dev);
         enum wimax_rf_state rf_state;
 
-        d_fnstart(3, dev, "(wimax_dev %p state %u)\n", wimax_dev, state);
-        switch (state) {
-        case RFKILL_STATE_SOFT_BLOCKED:
+        d_fnstart(3, dev, "(wimax_dev %p blocked %u)\n", wimax_dev, blocked);
+        rf_state = WIMAX_RF_ON;
+        if (blocked)
                 rf_state = WIMAX_RF_OFF;
-                break;
-        case RFKILL_STATE_UNBLOCKED:
-                rf_state = WIMAX_RF_ON;
-                break;
-        default:
-                BUG();
-        }
         mutex_lock(&wimax_dev->mutex);
         if (wimax_dev->state <= __WIMAX_ST_QUIESCING)
-                result = 0;     /* just pretend it didn't happen */
+                result = 0;
         else
                 result = __wimax_rf_toggle_radio(wimax_dev, rf_state);
         mutex_unlock(&wimax_dev->mutex);
-        d_fnend(3, dev, "(wimax_dev %p state %u) = %d\n",
-                wimax_dev, state, result);
+        d_fnend(3, dev, "(wimax_dev %p blocked %u) = %d\n",
+                wimax_dev, blocked, result);
         return result;
 }
 
+static const struct rfkill_ops wimax_rfkill_ops = {
+        .set_block = wimax_rfkill_set_radio_block,
+};
 
 /**
  * wimax_rfkill - Set the software RF switch state for a WiMAX device
@@ -322,6 +312,7 @@ int wimax_rfkill(struct wimax_dev *wimax_dev, enum wimax_rf_state state)
                 result = __wimax_rf_toggle_radio(wimax_dev, state);
                 if (result < 0)
                         goto error;
+                rfkill_set_sw_state(wimax_dev->rfkill, state == WIMAX_RF_OFF);
                 break;
         case WIMAX_RF_QUERY:
                 break;
@@ -349,40 +340,20 @@ int wimax_rfkill_add(struct wimax_dev *wimax_dev)
 {
         int result;
         struct rfkill *rfkill;
-        struct input_dev *input_dev;
         struct device *dev = wimax_dev_to_dev(wimax_dev);
 
         d_fnstart(3, dev, "(wimax_dev %p)\n", wimax_dev);
         /* Initialize RF Kill */
         result = -ENOMEM;
-        rfkill = rfkill_allocate(dev, RFKILL_TYPE_WIMAX);
+        rfkill = rfkill_alloc(wimax_dev->name, dev, RFKILL_TYPE_WIMAX,
+                              &wimax_rfkill_ops, wimax_dev);
         if (rfkill == NULL)
                 goto error_rfkill_allocate;
+
+        d_printf(1, dev, "rfkill %p\n", rfkill);
+
         wimax_dev->rfkill = rfkill;
 
-        rfkill->name = wimax_dev->name;
-        rfkill->state = RFKILL_STATE_UNBLOCKED;
-        rfkill->data = wimax_dev;
-        rfkill->toggle_radio = wimax_rfkill_toggle_radio;
-
-        /* Initialize the input device for the hw key */
-        input_dev = input_allocate_device();
-        if (input_dev == NULL)
-                goto error_input_allocate;
-        wimax_dev->rfkill_input = input_dev;
-        d_printf(1, dev, "rfkill %p input %p\n", rfkill, input_dev);
-
-        input_dev->name = wimax_dev->name;
-        /* FIXME: get a real device bus ID and stuff? do we care? */
-        input_dev->id.bustype = BUS_HOST;
-        input_dev->id.vendor = 0xffff;
-        input_dev->evbit[0] = BIT(EV_KEY);
-        set_bit(KEY_WIMAX, input_dev->keybit);
-
-        /* Register both */
-        result = input_register_device(wimax_dev->rfkill_input);
-        if (result < 0)
-                goto error_input_register;
         result = rfkill_register(wimax_dev->rfkill);
         if (result < 0)
                 goto error_rfkill_register;
@@ -394,17 +365,8 @@ int wimax_rfkill_add(struct wimax_dev *wimax_dev)
         d_fnend(3, dev, "(wimax_dev %p) = 0\n", wimax_dev);
         return 0;
 
-        /* if rfkill_register() suceeds, can't use rfkill_free() any
-         * more, only rfkill_unregister() [it owns the refcount]; with
-         * the input device we have the same issue--hence the if. */
 error_rfkill_register:
-        input_unregister_device(wimax_dev->rfkill_input);
-        wimax_dev->rfkill_input = NULL;
-error_input_register:
-        if (wimax_dev->rfkill_input)
-                input_free_device(wimax_dev->rfkill_input);
-error_input_allocate:
-        rfkill_free(wimax_dev->rfkill);
+        rfkill_destroy(wimax_dev->rfkill);
 error_rfkill_allocate:
         d_fnend(3, dev, "(wimax_dev %p) = %d\n", wimax_dev, result);
         return result;
@@ -423,45 +385,12 @@ void wimax_rfkill_rm(struct wimax_dev *wimax_dev)
 {
         struct device *dev = wimax_dev_to_dev(wimax_dev);
         d_fnstart(3, dev, "(wimax_dev %p)\n", wimax_dev);
-        rfkill_unregister(wimax_dev->rfkill);   /* frees */
-        input_unregister_device(wimax_dev->rfkill_input);
+        rfkill_unregister(wimax_dev->rfkill);
+        rfkill_destroy(wimax_dev->rfkill);
         d_fnend(3, dev, "(wimax_dev %p)\n", wimax_dev);
 }
 
 
-#else /* #ifdef CONFIG_RFKILL */
-
-void wimax_report_rfkill_hw(struct wimax_dev *wimax_dev,
-                            enum wimax_rf_state state)
-{
-}
-EXPORT_SYMBOL_GPL(wimax_report_rfkill_hw);
-
-void wimax_report_rfkill_sw(struct wimax_dev *wimax_dev,
-                            enum wimax_rf_state state)
-{
-}
-EXPORT_SYMBOL_GPL(wimax_report_rfkill_sw);
-
-int wimax_rfkill(struct wimax_dev *wimax_dev,
-                 enum wimax_rf_state state)
-{
-        return WIMAX_RF_ON << 1 | WIMAX_RF_ON;
-}
-EXPORT_SYMBOL_GPL(wimax_rfkill);
-
-int wimax_rfkill_add(struct wimax_dev *wimax_dev)
-{
-        return 0;
-}
-
-void wimax_rfkill_rm(struct wimax_dev *wimax_dev)
-{
-}
-
-#endif /* #ifdef CONFIG_RFKILL */
-
-
 /*
  * Exporting to user space over generic netlink
  *
diff --git a/net/wimax/op-state-get.c b/net/wimax/op-state-get.c
new file mode 100644
index 000000000000..a76b8fcb056d
--- /dev/null
+++ b/net/wimax/op-state-get.c
@@ -0,0 +1,86 @@
+/*
+ * Linux WiMAX
+ * Implement and export a method for getting a WiMAX device current state
+ *
+ * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+ *
+ * Based on previous WiMAX core work by:
+ *  Copyright (C) 2008 Intel Corporation <linux-wimax@intel.com>
+ *  Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#include <net/wimax.h>
+#include <net/genetlink.h>
+#include <linux/wimax.h>
+#include <linux/security.h>
+#include "wimax-internal.h"
+
+#define D_SUBMODULE op_state_get
+#include "debug-levels.h"
+
+
+static const
+struct nla_policy wimax_gnl_state_get_policy[WIMAX_GNL_ATTR_MAX + 1] = {
+        [WIMAX_GNL_STGET_IFIDX] = {
+                .type = NLA_U32,
+        },
+};
+
+
+/*
+ * Exporting to user space over generic netlink
+ *
+ * Parse the state get command from user space, return a combination
+ * value that describe the current state.
+ *
+ * No attributes.
+ */
+static
+int wimax_gnl_doit_state_get(struct sk_buff *skb, struct genl_info *info)
+{
+        int result, ifindex;
+        struct wimax_dev *wimax_dev;
+        struct device *dev;
+
+        d_fnstart(3, NULL, "(skb %p info %p)\n", skb, info);
+        result = -ENODEV;
+        if (info->attrs[WIMAX_GNL_STGET_IFIDX] == NULL) {
+                printk(KERN_ERR "WIMAX_GNL_OP_STATE_GET: can't find IFIDX "
+                        "attribute\n");
+                goto error_no_wimax_dev;
+        }
+        ifindex = nla_get_u32(info->attrs[WIMAX_GNL_STGET_IFIDX]);
+        wimax_dev = wimax_dev_get_by_genl_info(info, ifindex);
+        if (wimax_dev == NULL)
+                goto error_no_wimax_dev;
+        dev = wimax_dev_to_dev(wimax_dev);
+        /* Execute the operation and send the result back to user space */
+        result = wimax_state_get(wimax_dev);
+        dev_put(wimax_dev->net_dev);
+error_no_wimax_dev:
+        d_fnend(3, NULL, "(skb %p info %p) = %d\n", skb, info, result);
+        return result;
+}
+
+
+struct genl_ops wimax_gnl_state_get = {
+        .cmd = WIMAX_GNL_OP_STATE_GET,
+        .flags = GENL_ADMIN_PERM,
+        .policy = wimax_gnl_state_get_policy,
+        .doit = wimax_gnl_doit_state_get,
+        .dumpit = NULL,
+};
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index 933e1422b09f..79fb7d7c640f 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -402,13 +402,15 @@ EXPORT_SYMBOL_GPL(wimax_dev_init);
 extern struct genl_ops
         wimax_gnl_msg_from_user,
         wimax_gnl_reset,
-        wimax_gnl_rfkill;
+        wimax_gnl_rfkill,
+        wimax_gnl_state_get;
 
 static
 struct genl_ops *wimax_gnl_ops[] = {
         &wimax_gnl_msg_from_user,
         &wimax_gnl_reset,
         &wimax_gnl_rfkill,
+        &wimax_gnl_state_get,
 };
 
 
@@ -533,6 +535,7 @@ struct d_level D_LEVEL[] = {
         D_SUBMODULE_DEFINE(op_msg),
         D_SUBMODULE_DEFINE(op_reset),
         D_SUBMODULE_DEFINE(op_rfkill),
+        D_SUBMODULE_DEFINE(op_state_get),
         D_SUBMODULE_DEFINE(stack),
 };
 size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL);
diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig
index 45005497c634..4428dd5e911d 100644
--- a/net/wireless/Kconfig
+++ b/net/wireless/Kconfig
@@ -1,5 +1,6 @@
 config CFG80211
-        tristate "Improved wireless configuration API"
+        tristate "Improved wireless configuration API"
+        depends on RFKILL || !RFKILL
 
 config CFG80211_REG_DEBUG
         bool "cfg80211 regulatory debugging"
diff --git a/net/wireless/core.c b/net/wireless/core.c
index a5dbea1da476..d5850292b3df 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -12,6 +12,7 @@
 #include <linux/debugfs.h>
 #include <linux/notifier.h>
 #include <linux/device.h>
+#include <linux/rtnetlink.h>
 #include <net/genetlink.h>
 #include <net/cfg80211.h>
 #include "nl80211.h"
@@ -227,6 +228,41 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
         return 0;
 }
 
+static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
+{
+        struct cfg80211_registered_device *drv = data;
+
+        drv->ops->rfkill_poll(&drv->wiphy);
+}
+
+static int cfg80211_rfkill_set_block(void *data, bool blocked)
+{
+        struct cfg80211_registered_device *drv = data;
+        struct wireless_dev *wdev;
+
+        if (!blocked)
+                return 0;
+
+        rtnl_lock();
+        mutex_lock(&drv->devlist_mtx);
+
+        list_for_each_entry(wdev, &drv->netdev_list, list)
+                dev_close(wdev->netdev);
+
+        mutex_unlock(&drv->devlist_mtx);
+        rtnl_unlock();
+
+        return 0;
+}
+
+static void cfg80211_rfkill_sync_work(struct work_struct *work)
+{
+        struct cfg80211_registered_device *drv;
+
+        drv = container_of(work, struct cfg80211_registered_device, rfkill_sync);
+        cfg80211_rfkill_set_block(drv, rfkill_blocked(drv->rfkill));
+}
+
 /* exported functions */
 
 struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
@@ -274,6 +310,18 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
         drv->wiphy.dev.class = &ieee80211_class;
         drv->wiphy.dev.platform_data = drv;
 
+        drv->rfkill_ops.set_block = cfg80211_rfkill_set_block;
+        drv->rfkill = rfkill_alloc(dev_name(&drv->wiphy.dev),
+                                   &drv->wiphy.dev, RFKILL_TYPE_WLAN,
+                                   &drv->rfkill_ops, drv);
+
+        if (!drv->rfkill) {
+                kfree(drv);
+                return NULL;
+        }
+
+        INIT_WORK(&drv->rfkill_sync, cfg80211_rfkill_sync_work);
+
         /*
          * Initialize wiphy parameters to IEEE 802.11 MIB default values.
          * Fragmentation and RTS threshold are disabled by default with the
@@ -347,17 +395,23 @@ int wiphy_register(struct wiphy *wiphy)
         /* check and set up bitrates */
         ieee80211_set_bitrate_flags(wiphy);
 
+        res = device_add(&drv->wiphy.dev);
+        if (res)
+                return res;
+
+        res = rfkill_register(drv->rfkill);
+        if (res)
+                goto out_rm_dev;
+
         mutex_lock(&cfg80211_mutex);
 
         /* set up regulatory info */
         wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE);
 
-        res = device_add(&drv->wiphy.dev);
-        if (res)
-                goto out_unlock;
-
         list_add(&drv->list, &cfg80211_drv_list);
 
+        mutex_unlock(&cfg80211_mutex);
+
         /* add to debugfs */
         drv->wiphy.debugfsdir =
                 debugfs_create_dir(wiphy_name(&drv->wiphy),
@@ -378,17 +432,39 @@ int wiphy_register(struct wiphy *wiphy)
 
         cfg80211_debugfs_drv_add(drv);
 
-        res = 0;
-out_unlock:
-        mutex_unlock(&cfg80211_mutex);
+        return 0;
+
+ out_rm_dev:
+        device_del(&drv->wiphy.dev);
         return res;
 }
 EXPORT_SYMBOL(wiphy_register);
 
+void wiphy_rfkill_start_polling(struct wiphy *wiphy)
+{
+        struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+
+        if (!drv->ops->rfkill_poll)
+                return;
+        drv->rfkill_ops.poll = cfg80211_rfkill_poll;
+        rfkill_resume_polling(drv->rfkill);
+}
+EXPORT_SYMBOL(wiphy_rfkill_start_polling);
+
+void wiphy_rfkill_stop_polling(struct wiphy *wiphy)
+{
+        struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+
+        rfkill_pause_polling(drv->rfkill);
+}
+EXPORT_SYMBOL(wiphy_rfkill_stop_polling);
+
 void wiphy_unregister(struct wiphy *wiphy)
 {
         struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
 
+        rfkill_unregister(drv->rfkill);
+
         /* protect the device list */
         mutex_lock(&cfg80211_mutex);
 
@@ -425,6 +501,7 @@ EXPORT_SYMBOL(wiphy_unregister);
 void cfg80211_dev_free(struct cfg80211_registered_device *drv)
 {
         struct cfg80211_internal_bss *scan, *tmp;
+        rfkill_destroy(drv->rfkill);
         mutex_destroy(&drv->mtx);
         mutex_destroy(&drv->devlist_mtx);
         list_for_each_entry_safe(scan, tmp, &drv->bss_list, list)
@@ -438,6 +515,15 @@ void wiphy_free(struct wiphy *wiphy)
 }
 EXPORT_SYMBOL(wiphy_free);
 
+void wiphy_rfkill_set_hw_state(struct wiphy *wiphy, bool blocked)
+{
+        struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
+
+        if (rfkill_set_hw_state(drv->rfkill, blocked))
+                schedule_work(&drv->rfkill_sync);
+}
+EXPORT_SYMBOL(wiphy_rfkill_set_hw_state);
+
 static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
                                          unsigned long state,
                                          void *ndev)
@@ -446,7 +532,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
         struct cfg80211_registered_device *rdev;
 
         if (!dev->ieee80211_ptr)
-                return 0;
+                return NOTIFY_DONE;
 
         rdev = wiphy_to_dev(dev->ieee80211_ptr->wiphy);
 
@@ -492,9 +578,13 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
                 }
                 mutex_unlock(&rdev->devlist_mtx);
                 break;
+        case NETDEV_PRE_UP:
+                if (rfkill_blocked(rdev->rfkill))
+                        return notifier_from_errno(-ERFKILL);
+                break;
         }
 
-        return 0;
+        return NOTIFY_DONE;
 }
 
 static struct notifier_block cfg80211_netdev_notifier = {
diff --git a/net/wireless/core.h b/net/wireless/core.h
index ab512bcd8153..bfa340c7abb5 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -11,6 +11,8 @@
 #include <linux/kref.h>
 #include <linux/rbtree.h>
 #include <linux/debugfs.h>
+#include <linux/rfkill.h>
+#include <linux/workqueue.h>
 #include <net/genetlink.h>
 #include <net/cfg80211.h>
 #include "reg.h"
@@ -24,6 +26,11 @@ struct cfg80211_registered_device {
          * any call is in progress */
         struct mutex mtx;
 
+        /* rfkill support */
+        struct rfkill_ops rfkill_ops;
+        struct rfkill *rfkill;
+        struct work_struct rfkill_sync;
+
         /* ISO / IEC 3166 alpha2 for which this device is receiving
          * country IEs on, this can help disregard country IEs from APs
          * on the same alpha2 quickly. The alpha2 may differ from
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 4b4d3c8a1aed..24168560ebae 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -1687,6 +1687,12 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
         if (err)
                 goto out_rtnl;
 
+        if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
+            dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
+                err = -EINVAL;
+                goto out;
+        }
+
         err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, &params.vlan);
         if (err)
                 goto out;
@@ -1738,7 +1744,11 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
                 nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
         params.listen_interval =
                 nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
+
         params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+        if (!params.aid || params.aid > IEEE80211_MAX_AID)
+                return -EINVAL;
+
         if (info->attrs[NL80211_ATTR_HT_CAPABILITY])
                 params.ht_capa =
                         nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);
@@ -3559,11 +3569,43 @@ void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
         genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL);
 }
 
+static int nl80211_add_scan_req(struct sk_buff *msg,
+                                struct cfg80211_registered_device *rdev)
+{
+        struct cfg80211_scan_request *req = rdev->scan_req;
+        struct nlattr *nest;
+        int i;
+
+        if (WARN_ON(!req))
+                return 0;
+
+        nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS);
+        if (!nest)
+                goto nla_put_failure;
+        for (i = 0; i < req->n_ssids; i++)
+                NLA_PUT(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid);
+        nla_nest_end(msg, nest);
+
+        nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES);
+        if (!nest)
+                goto nla_put_failure;
+        for (i = 0; i < req->n_channels; i++)
+                NLA_PUT_U32(msg, i, req->channels[i]->center_freq);
+        nla_nest_end(msg, nest);
+
+        if (req->ie)
+                NLA_PUT(msg, NL80211_ATTR_IE, req->ie_len, req->ie);
+
+        return 0;
+ nla_put_failure:
+        return -ENOBUFS;
+}
+
 static int nl80211_send_scan_donemsg(struct sk_buff *msg,
-                                    struct cfg80211_registered_device *rdev,
-                                    struct net_device *netdev,
-                                    u32 pid, u32 seq, int flags,
-                                    u32 cmd)
+                                     struct cfg80211_registered_device *rdev,
+                                     struct net_device *netdev,
+                                     u32 pid, u32 seq, int flags,
+                                     u32 cmd)
 {
         void *hdr;
 
@@ -3574,7 +3616,8 @@ static int nl80211_send_scan_donemsg(struct sk_buff *msg,
         NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx);
         NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex);
 
-        /* XXX: we should probably bounce back the request? */
+        /* ignore errors and send incomplete event anyway */
+        nl80211_add_scan_req(msg, rdev);
 
         return genlmsg_end(msg, hdr);
 
@@ -3828,7 +3871,7 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
         struct sk_buff *msg;
         void *hdr;
 
-        msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+        msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
         if (!msg)
                 return;
 
@@ -3852,7 +3895,7 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
                 return;
         }
 
-        genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+        genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_ATOMIC);
         return;
 
  nla_put_failure:
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f87ac1df2df5..5e14371cda70 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2129,7 +2129,12 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
                  * driver wanted to the wiphy to deal with conflicts
                  */
 
-                BUG_ON(request_wiphy->regd);
+                /*
+                 * Userspace could have sent two replies with only
+                 * one kernel request.
+                 */
+                if (request_wiphy->regd)
+                        return -EALREADY;
 
                 r = reg_copy_regd(&request_wiphy->regd, rd);
                 if (r)
@@ -2171,7 +2176,13 @@ static int __set_regdom(const struct ieee80211_regdomain *rd)
          * the country IE rd with what CRDA believes that country should have
          */
 
-        BUG_ON(!country_ie_regdomain);
+        /*
+         * Userspace could have sent two replies with only
+         * one kernel request. By the second reply we would have
+         * already processed and consumed the country_ie_regdomain.
+         */
+        if (!country_ie_regdomain)
+                return -EALREADY;
         BUG_ON(rd == country_ie_regdomain);
 
         /*
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index df59440290e5..e95b638b919f 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -29,13 +29,14 @@ void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
                 goto out;
 
         WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
-        wiphy_to_dev(request->wiphy)->scan_req = NULL;
 
         if (aborted)
                 nl80211_send_scan_aborted(wiphy_to_dev(request->wiphy), dev);
         else
                 nl80211_send_scan_done(wiphy_to_dev(request->wiphy), dev);
 
+        wiphy_to_dev(request->wiphy)->scan_req = NULL;
+
 #ifdef CONFIG_WIRELESS_EXT
         if (!aborted) {
                 memset(&wrqu, 0, sizeof(wrqu));
diff --git a/net/wireless/util.c b/net/wireless/util.c
index d072bff463aa..25550692dda6 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -157,26 +157,25 @@ int cfg80211_validate_key_settings(struct key_params *params, int key_idx,
             params->cipher != WLAN_CIPHER_SUITE_WEP104)
                 return -EINVAL;
 
-        /* TODO: add definitions for the lengths to linux/ieee80211.h */
         switch (params->cipher) {
         case WLAN_CIPHER_SUITE_WEP40:
-                if (params->key_len != 5)
+                if (params->key_len != WLAN_KEY_LEN_WEP40)
                         return -EINVAL;
                 break;
         case WLAN_CIPHER_SUITE_TKIP:
-                if (params->key_len != 32)
+                if (params->key_len != WLAN_KEY_LEN_TKIP)
                         return -EINVAL;
                 break;
         case WLAN_CIPHER_SUITE_CCMP:
-                if (params->key_len != 16)
+                if (params->key_len != WLAN_KEY_LEN_CCMP)
                         return -EINVAL;
                 break;
         case WLAN_CIPHER_SUITE_WEP104:
-                if (params->key_len != 13)
+                if (params->key_len != WLAN_KEY_LEN_WEP104)
                         return -EINVAL;
                 break;
         case WLAN_CIPHER_SUITE_AES_CMAC:
-                if (params->key_len != 16)
+                if (params->key_len != WLAN_KEY_LEN_AES_CMAC)
                         return -EINVAL;
                 break;
         default:
@@ -259,7 +258,7 @@ unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb)
 }
 EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb);
 
-int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
+static int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr)
 {
         int ae = meshhdr->flags & MESH_FLAGS_AE;
         /* 7.1.3.5a.2 */
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index 711e00a0c9b5..d030c5315672 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -744,3 +744,86 @@ int cfg80211_wext_giwencode(struct net_device *dev,
         return err;
 }
 EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
+
+int cfg80211_wext_siwtxpower(struct net_device *dev,
+                             struct iw_request_info *info,
+                             union iwreq_data *data, char *extra)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+        enum tx_power_setting type;
+        int dbm = 0;
+
+        if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
+                return -EINVAL;
+        if (data->txpower.flags & IW_TXPOW_RANGE)
+                return -EINVAL;
+
+        if (!rdev->ops->set_tx_power)
+                return -EOPNOTSUPP;
+
+        /* only change when not disabling */
+        if (!data->txpower.disabled) {
+                rfkill_set_sw_state(rdev->rfkill, false);
+
+                if (data->txpower.fixed) {
+                        /*
+                         * wext doesn't support negative values, see
+                         * below where it's for automatic
+                         */
+                        if (data->txpower.value < 0)
+                                return -EINVAL;
+                        dbm = data->txpower.value;
+                        type = TX_POWER_FIXED;
+                        /* TODO: do regulatory check! */
+                } else {
+                        /*
+                         * Automatic power level setting, max being the value
+                         * passed in from userland.
+                         */
+                        if (data->txpower.value < 0) {
+                                type = TX_POWER_AUTOMATIC;
+                        } else {
+                                dbm = data->txpower.value;
+                                type = TX_POWER_LIMITED;
+                        }
+                }
+        } else {
+                rfkill_set_sw_state(rdev->rfkill, true);
+                schedule_work(&rdev->rfkill_sync);
+                return 0;
+        }
+
+        return rdev->ops->set_tx_power(wdev->wiphy, type, dbm);;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwtxpower);
+
+int cfg80211_wext_giwtxpower(struct net_device *dev,
+                             struct iw_request_info *info,
+                             union iwreq_data *data, char *extra)
+{
+        struct wireless_dev *wdev = dev->ieee80211_ptr;
+        struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+        int err, val;
+
+        if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
+                return -EINVAL;
+        if (data->txpower.flags & IW_TXPOW_RANGE)
+                return -EINVAL;
+
+        if (!rdev->ops->get_tx_power)
+                return -EOPNOTSUPP;
+
+        err = rdev->ops->get_tx_power(wdev->wiphy, &val);
+        if (err)
+                return err;
+
+        /* well... oh well */
+        data->txpower.fixed = 1;
+        data->txpower.disabled = rfkill_blocked(rdev->rfkill);
+        data->txpower.value = val;
+        data->txpower.flags = IW_TXPOW_DBM;
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwtxpower);
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 96036cf2216d..d31ccb487730 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -696,8 +696,9 @@ int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc,
 {
         int start = skb_headlen(skb);
         int i, copy = start - offset;
-        int err;
+        struct sk_buff *frag_iter;
         struct scatterlist sg;
+        int err;
 
         /* Checksum header. */
         if (copy > 0) {
@@ -742,28 +743,24 @@ int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc,
                 start = end;
         }
 
-        if (skb_shinfo(skb)->frag_list) {
-                struct sk_buff *list = skb_shinfo(skb)->frag_list;
-
-                for (; list; list = list->next) {
-                        int end;
-
-                        WARN_ON(start > offset + len);
-
-                        end = start + list->len;
-                        if ((copy = end - offset) > 0) {
-                                if (copy > len)
-                                        copy = len;
-                                err = skb_icv_walk(list, desc, offset-start,
-                                                   copy, icv_update);
-                                if (unlikely(err))
-                                        return err;
-                                if ((len -= copy) == 0)
-                                        return 0;
-                                offset += copy;
-                        }
-                        start = end;
+        skb_walk_frags(skb, frag_iter) {
+                int end;
+
+                WARN_ON(start > offset + len);
+
+                end = start + frag_iter->len;
+                if ((copy = end - offset) > 0) {
+                        if (copy > len)
+                                copy = len;
+                        err = skb_icv_walk(frag_iter, desc, offset-start,
+                                           copy, icv_update);
+                        if (unlikely(err))
+                                return err;
+                        if ((len -= copy) == 0)
+                                return 0;
+                        offset += copy;
                 }
+                start = end;
         }
         BUG_ON(len);
         return 0;
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index b4a13178fb40..e0009c17d809 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -251,8 +251,7 @@ resume:
         nf_reset(skb);
 
         if (decaps) {
-                dst_release(skb->dst);
-                skb->dst = NULL;
+                skb_dst_drop(skb);
                 netif_rx(skb);
                 return 0;
         } else {
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index c235597ba8dd..b9fe13138c07 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -22,7 +22,7 @@ static int xfrm_output2(struct sk_buff *skb);
 
 static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         int nhead = dst->header_len + LL_RESERVED_SPACE(dst->dev)
                 - skb_headroom(skb);
         int ntail = dst->dev->needed_tailroom - skb_tailroom(skb);
@@ -39,7 +39,7 @@ static int xfrm_state_check_space(struct xfrm_state *x, struct sk_buff *skb)
 
 static int xfrm_output_one(struct sk_buff *skb, int err)
 {
-        struct dst_entry *dst = skb->dst;
+        struct dst_entry *dst = skb_dst(skb);
         struct xfrm_state *x = dst->xfrm;
         struct net *net = xs_net(x);
 
@@ -94,12 +94,13 @@ resume:
                         goto error_nolock;
                 }
 
-                if (!(skb->dst = dst_pop(dst))) {
+                dst = dst_pop(dst);
+                if (!dst) {
                         XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTERROR);
                         err = -EHOSTUNREACH;
                         goto error_nolock;
                 }
-                dst = skb->dst;
+                skb_dst_set(skb, dst);
                 x = dst->xfrm;
         } while (x && !(x->outer_mode->flags & XFRM_MODE_FLAG_TUNNEL));
 
@@ -119,16 +120,16 @@ int xfrm_output_resume(struct sk_buff *skb, int err)
         while (likely((err = xfrm_output_one(skb, err)) == 0)) {
                 nf_reset(skb);
 
-                err = skb->dst->ops->local_out(skb);
+                err = skb_dst(skb)->ops->local_out(skb);
                 if (unlikely(err != 1))
                         goto out;
 
-                if (!skb->dst->xfrm)
+                if (!skb_dst(skb)->xfrm)
                         return dst_output(skb);
 
-                err = nf_hook(skb->dst->ops->family,
+                err = nf_hook(skb_dst(skb)->ops->family,
                               NF_INET_POST_ROUTING, skb,
-                              NULL, skb->dst->dev, xfrm_output2);
+                              NULL, skb_dst(skb)->dev, xfrm_output2);
                 if (unlikely(err != 1))
                         goto out;
         }
@@ -179,7 +180,7 @@ static int xfrm_output_gso(struct sk_buff *skb)
 
 int xfrm_output(struct sk_buff *skb)
 {
-        struct net *net = dev_net(skb->dst->dev);
+        struct net *net = dev_net(skb_dst(skb)->dev);
         int err;
 
         if (skb_is_gso(skb))
@@ -202,7 +203,7 @@ int xfrm_inner_extract_output(struct xfrm_state *x, struct sk_buff *skb)
         struct xfrm_mode *inner_mode;
         if (x->sel.family == AF_UNSPEC)
                 inner_mode = xfrm_ip2inner_mode(x,
-                                xfrm_af2proto(skb->dst->ops->family));
+                                xfrm_af2proto(skb_dst(skb)->ops->family));
         else
                 inner_mode = x->inner_mode;
 
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 9c068ab3a834..cb81ca35b0d6 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2027,6 +2027,8 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
 {
         struct net *net = dev_net(skb->dev);
         struct flowi fl;
+        struct dst_entry *dst;
+        int res;
 
         if (xfrm_decode_session(skb, &fl, family) < 0) {
                 /* XXX: we should have something like FWDHDRERROR here. */
@@ -2034,7 +2036,11 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
                 return 0;
         }
 
-        return xfrm_lookup(net, &skb->dst, &fl, NULL, 0) == 0;
+        dst = skb_dst(skb);
+
+        res = xfrm_lookup(net, &dst, &fl, NULL, 0) == 0;
+        skb_dst_set(skb, dst);
+        return res;
 }
 EXPORT_SYMBOL(__xfrm_route_forward);