7 files changed, 322 insertions, 27 deletions

diff --git a/include/linux/tc_ematch/tc_em_meta.h b/include/linux/tc_ematch/tc_em_meta.h
index aa6b48bb4dcd..a6b2cc530af5 100644
--- a/include/linux/tc_ematch/tc_em_meta.h
+++ b/include/linux/tc_ematch/tc_em_meta.h
@@ -56,6 +56,36 @@ enum
         TCF_META_ID_TCCLASSID,
         TCF_META_ID_RTCLASSID,
         TCF_META_ID_RTIIF,
+        TCF_META_ID_SK_FAMILY,
+        TCF_META_ID_SK_STATE,
+        TCF_META_ID_SK_REUSE,
+        TCF_META_ID_SK_BOUND_IF,
+        TCF_META_ID_SK_REFCNT,
+        TCF_META_ID_SK_SHUTDOWN,
+        TCF_META_ID_SK_PROTO,
+        TCF_META_ID_SK_TYPE,
+        TCF_META_ID_SK_RCVBUF,
+        TCF_META_ID_SK_RMEM_ALLOC,
+        TCF_META_ID_SK_WMEM_ALLOC,
+        TCF_META_ID_SK_OMEM_ALLOC,
+        TCF_META_ID_SK_WMEM_QUEUED,
+        TCF_META_ID_SK_RCV_QLEN,
+        TCF_META_ID_SK_SND_QLEN,
+        TCF_META_ID_SK_ERR_QLEN,
+        TCF_META_ID_SK_FORWARD_ALLOCS,
+        TCF_META_ID_SK_SNDBUF,
+        TCF_META_ID_SK_ALLOCS,
+        TCF_META_ID_SK_ROUTE_CAPS,
+        TCF_META_ID_SK_HASHENT,
+        TCF_META_ID_SK_LINGERTIME,
+        TCF_META_ID_SK_ACK_BACKLOG,
+        TCF_META_ID_SK_MAX_ACK_BACKLOG,
+        TCF_META_ID_SK_PRIO,
+        TCF_META_ID_SK_RCVLOWAT,
+        TCF_META_ID_SK_RCVTIMEO,
+        TCF_META_ID_SK_SNDTIMEO,
+        TCF_META_ID_SK_SENDMSG_OFF,
+        TCF_META_ID_SK_WRITE_PENDING,
         __TCF_META_ID_MAX
 };
 #define TCF_META_ID_MAX (__TCF_META_ID_MAX - 1)
diff --git a/net/core/dev.c b/net/core/dev.c
index f15a3ffff635..ab935778ce81 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1744,6 +1744,7 @@ static int process_backlog(struct net_device *backlog_dev, int *budget)
         struct softnet_data *queue = &__get_cpu_var(softnet_data);
         unsigned long start_time = jiffies;
 
+        backlog_dev->weight = weight_p;
         for (;;) {
                 struct sk_buff *skb;
                 struct net_device *dev;
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 910eb4c05a47..e2137f3e489d 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -185,6 +185,22 @@ static ssize_t store_tx_queue_len(struct class_device *dev, const char *buf, siz
 static CLASS_DEVICE_ATTR(tx_queue_len, S_IRUGO | S_IWUSR, show_tx_queue_len, 
                          store_tx_queue_len);
 
+NETDEVICE_SHOW(weight, fmt_dec);
+
+static int change_weight(struct net_device *net, unsigned long new_weight)
+{
+        net->weight = new_weight;
+        return 0;
+}
+
+static ssize_t store_weight(struct class_device *dev, const char *buf, size_t len)
+{
+        return netdev_store(dev, buf, len, change_weight);
+}
+
+static CLASS_DEVICE_ATTR(weight, S_IRUGO | S_IWUSR, show_weight, 
+                         store_weight);
+
 
 static struct class_device_attribute *net_class_attributes[] = {
         &class_device_attr_ifindex,
@@ -194,6 +210,7 @@ static struct class_device_attribute *net_class_attributes[] = {
         &class_device_attr_features,
         &class_device_attr_mtu,
         &class_device_attr_flags,
+        &class_device_attr_weight,
         &class_device_attr_type,
         &class_device_attr_address,
         &class_device_attr_broadcast,
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 3b1c9fa184ae..ba3b0c267f75 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -882,6 +882,7 @@ ip6ip6_tnl_change(struct ip6_tnl *t, struct ip6_tnl_parm *p)
         t->parms.hop_limit = p->hop_limit;
         t->parms.encap_limit = p->encap_limit;
         t->parms.flowinfo = p->flowinfo;
+        t->parms.link = p->link;
         ip6ip6_tnl_link_config(t);
         return 0;
 }
diff --git a/net/sched/Kconfig b/net/sched/Kconfig
index b0941186f867..b22c9beb604d 100644
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -405,7 +405,7 @@ config NET_EMATCH_STACK
         ---help---
           Size of the local stack variable used while evaluating the tree of
           ematches. Limits the depth of the tree, i.e. the number of
-          encapsulated precedences. Every level requires 4 bytes of addtional
+          encapsulated precedences. Every level requires 4 bytes of additional
           stack space.
 
 config NET_EMATCH_CMP
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 0d2d4415f334..dfb300bb6baa 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -261,6 +261,9 @@ static int basic_dump(struct tcf_proto *tp, unsigned long fh,
         rta = (struct rtattr *) b;
         RTA_PUT(skb, TCA_OPTIONS, 0, NULL);
 
+        if (f->res.classid)
+                RTA_PUT(skb, TCA_BASIC_CLASSID, sizeof(u32), &f->res.classid);
+
         if (tcf_exts_dump(skb, &f->exts, &basic_ext_map) < 0 ||
             tcf_em_tree_dump(skb, &f->ematches, TCA_BASIC_EMATCHES) < 0)
                 goto rtattr_failure;
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index f1eeaf65cee5..48bb23c2a35a 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -32,7 +32,7 @@
  *            +-----------+                           +-----------+
  *                  |                                       |
  *                  ---> meta_ops[INT][INDEV](...)          |
- *                            |                            |
+ *                            |                             |
  *                  -----------                             |
  *                  V                                       V
  *            +-----------+                           +-----------+
@@ -70,6 +70,7 @@
 #include <net/dst.h>
 #include <net/route.h>
 #include <net/pkt_cls.h>
+#include <net/sock.h>
 
 struct meta_obj
 {
@@ -284,6 +285,214 @@ META_COLLECTOR(int_rtiif)
 }
 
 /**************************************************************************
+ * Socket Attributes
+ **************************************************************************/
+
+#define SKIP_NONLOCAL(skb)                      \
+        if (unlikely(skb->sk == NULL)) {        \
+                *err = -1;                      \
+                return;                         \
+        }
+
+META_COLLECTOR(int_sk_family)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_family;
+}
+
+META_COLLECTOR(int_sk_state)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_state;
+}
+
+META_COLLECTOR(int_sk_reuse)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_reuse;
+}
+
+META_COLLECTOR(int_sk_bound_if)
+{
+        SKIP_NONLOCAL(skb);
+        /* No error if bound_dev_if is 0, legal userspace check */
+        dst->value = skb->sk->sk_bound_dev_if;
+}
+
+META_COLLECTOR(var_sk_bound_if)
+{
+        SKIP_NONLOCAL(skb);
+
+         if (skb->sk->sk_bound_dev_if == 0) {
+                dst->value = (unsigned long) "any";
+                dst->len = 3;
+         } else  {
+                struct net_device *dev;
+                
+                dev = dev_get_by_index(skb->sk->sk_bound_dev_if);
+                *err = var_dev(dev, dst);
+                if (dev)
+                        dev_put(dev);
+         }
+}
+
+META_COLLECTOR(int_sk_refcnt)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = atomic_read(&skb->sk->sk_refcnt);
+}
+
+META_COLLECTOR(int_sk_rcvbuf)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_rcvbuf;
+}
+
+META_COLLECTOR(int_sk_shutdown)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_shutdown;
+}
+
+META_COLLECTOR(int_sk_proto)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_protocol;
+}
+
+META_COLLECTOR(int_sk_type)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_type;
+}
+
+META_COLLECTOR(int_sk_rmem_alloc)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = atomic_read(&skb->sk->sk_rmem_alloc);
+}
+
+META_COLLECTOR(int_sk_wmem_alloc)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = atomic_read(&skb->sk->sk_wmem_alloc);
+}
+
+META_COLLECTOR(int_sk_omem_alloc)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = atomic_read(&skb->sk->sk_omem_alloc);
+}
+
+META_COLLECTOR(int_sk_rcv_qlen)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_receive_queue.qlen;
+}
+
+META_COLLECTOR(int_sk_snd_qlen)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_write_queue.qlen;
+}
+
+META_COLLECTOR(int_sk_wmem_queued)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_wmem_queued;
+}
+
+META_COLLECTOR(int_sk_fwd_alloc)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_forward_alloc;
+}
+
+META_COLLECTOR(int_sk_sndbuf)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_sndbuf;
+}
+
+META_COLLECTOR(int_sk_alloc)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_allocation;
+}
+
+META_COLLECTOR(int_sk_route_caps)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_route_caps;
+}
+
+META_COLLECTOR(int_sk_hashent)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_hashent;
+}
+
+META_COLLECTOR(int_sk_lingertime)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_lingertime / HZ;
+}
+
+META_COLLECTOR(int_sk_err_qlen)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_error_queue.qlen;
+}
+
+META_COLLECTOR(int_sk_ack_bl)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_ack_backlog;
+}
+
+META_COLLECTOR(int_sk_max_ack_bl)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_max_ack_backlog;
+}
+
+META_COLLECTOR(int_sk_prio)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_priority;
+}
+
+META_COLLECTOR(int_sk_rcvlowat)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_rcvlowat;
+}
+
+META_COLLECTOR(int_sk_rcvtimeo)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_rcvtimeo / HZ;
+}
+
+META_COLLECTOR(int_sk_sndtimeo)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_sndtimeo / HZ;
+}
+
+META_COLLECTOR(int_sk_sendmsg_off)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_sndmsg_off;
+}
+
+META_COLLECTOR(int_sk_write_pend)
+{
+        SKIP_NONLOCAL(skb);
+        dst->value = skb->sk->sk_write_pending;
+}
+
+/**************************************************************************
  * Meta value collectors assignment table
  **************************************************************************/
 
@@ -293,41 +502,75 @@ struct meta_ops
                                struct meta_value *, struct meta_obj *, int *);
 };
 
+#define META_ID(name) TCF_META_ID_##name
+#define META_FUNC(name) { .get = meta_##name }
+
 /* Meta value operations table listing all meta value collectors and
  * assigns them to a type and meta id. */
 static struct meta_ops __meta_ops[TCF_META_TYPE_MAX+1][TCF_META_ID_MAX+1] = {
         [TCF_META_TYPE_VAR] = {
-                [TCF_META_ID_DEV]       = { .get = meta_var_dev },
-                [TCF_META_ID_INDEV]     = { .get = meta_var_indev },
-                [TCF_META_ID_REALDEV]   = { .get = meta_var_realdev }
+                [META_ID(DEV)]                  = META_FUNC(var_dev),
+                [META_ID(INDEV)]                = META_FUNC(var_indev),
+                [META_ID(REALDEV)]              = META_FUNC(var_realdev),
+                [META_ID(SK_BOUND_IF)]          = META_FUNC(var_sk_bound_if),
         },
         [TCF_META_TYPE_INT] = {
-                [TCF_META_ID_RANDOM]    = { .get = meta_int_random },
-                [TCF_META_ID_LOADAVG_0] = { .get = meta_int_loadavg_0 },
-                [TCF_META_ID_LOADAVG_1] = { .get = meta_int_loadavg_1 },
-                [TCF_META_ID_LOADAVG_2] = { .get = meta_int_loadavg_2 },
-                [TCF_META_ID_DEV]       = { .get = meta_int_dev },
-                [TCF_META_ID_INDEV]     = { .get = meta_int_indev },
-                [TCF_META_ID_REALDEV]   = { .get = meta_int_realdev },
-                [TCF_META_ID_PRIORITY]  = { .get = meta_int_priority },
-                [TCF_META_ID_PROTOCOL]  = { .get = meta_int_protocol },
-                [TCF_META_ID_SECURITY]  = { .get = meta_int_security },
-                [TCF_META_ID_PKTTYPE]   = { .get = meta_int_pkttype },
-                [TCF_META_ID_PKTLEN]    = { .get = meta_int_pktlen },
-                [TCF_META_ID_DATALEN]   = { .get = meta_int_datalen },
-                [TCF_META_ID_MACLEN]    = { .get = meta_int_maclen },
+                [META_ID(RANDOM)]               = META_FUNC(int_random),
+                [META_ID(LOADAVG_0)]            = META_FUNC(int_loadavg_0),
+                [META_ID(LOADAVG_1)]            = META_FUNC(int_loadavg_1),
+                [META_ID(LOADAVG_2)]            = META_FUNC(int_loadavg_2),
+                [META_ID(DEV)]                  = META_FUNC(int_dev),
+                [META_ID(INDEV)]                = META_FUNC(int_indev),
+                [META_ID(REALDEV)]              = META_FUNC(int_realdev),
+                [META_ID(PRIORITY)]             = META_FUNC(int_priority),
+                [META_ID(PROTOCOL)]             = META_FUNC(int_protocol),
+                [META_ID(SECURITY)]             = META_FUNC(int_security),
+                [META_ID(PKTTYPE)]              = META_FUNC(int_pkttype),
+                [META_ID(PKTLEN)]               = META_FUNC(int_pktlen),
+                [META_ID(DATALEN)]              = META_FUNC(int_datalen),
+                [META_ID(MACLEN)]               = META_FUNC(int_maclen),
 #ifdef CONFIG_NETFILTER
-                [TCF_META_ID_NFMARK]    = { .get = meta_int_nfmark },
+                [META_ID(NFMARK)]               = META_FUNC(int_nfmark),
 #endif
-                [TCF_META_ID_TCINDEX]   = { .get = meta_int_tcindex },
+                [META_ID(TCINDEX)]              = META_FUNC(int_tcindex),
 #ifdef CONFIG_NET_CLS_ACT
-                [TCF_META_ID_TCVERDICT] = { .get = meta_int_tcverd },
-                [TCF_META_ID_TCCLASSID] = { .get = meta_int_tcclassid },
+                [META_ID(TCVERDICT)]            = META_FUNC(int_tcverd),
+                [META_ID(TCCLASSID)]            = META_FUNC(int_tcclassid),
 #endif
 #ifdef CONFIG_NET_CLS_ROUTE
-                [TCF_META_ID_RTCLASSID] = { .get = meta_int_rtclassid },
+                [META_ID(RTCLASSID)]            = META_FUNC(int_rtclassid),
 #endif
-                [TCF_META_ID_RTIIF]     = { .get = meta_int_rtiif }
+                [META_ID(RTIIF)]                = META_FUNC(int_rtiif),
+                [META_ID(SK_FAMILY)]            = META_FUNC(int_sk_family),
+                [META_ID(SK_STATE)]             = META_FUNC(int_sk_state),
+                [META_ID(SK_REUSE)]             = META_FUNC(int_sk_reuse),
+                [META_ID(SK_BOUND_IF)]          = META_FUNC(int_sk_bound_if),
+                [META_ID(SK_REFCNT)]            = META_FUNC(int_sk_refcnt),
+                [META_ID(SK_RCVBUF)]            = META_FUNC(int_sk_rcvbuf),
+                [META_ID(SK_SNDBUF)]            = META_FUNC(int_sk_sndbuf),
+                [META_ID(SK_SHUTDOWN)]          = META_FUNC(int_sk_shutdown),
+                [META_ID(SK_PROTO)]             = META_FUNC(int_sk_proto),
+                [META_ID(SK_TYPE)]              = META_FUNC(int_sk_type),
+                [META_ID(SK_RMEM_ALLOC)]        = META_FUNC(int_sk_rmem_alloc),
+                [META_ID(SK_WMEM_ALLOC)]        = META_FUNC(int_sk_wmem_alloc),
+                [META_ID(SK_OMEM_ALLOC)]        = META_FUNC(int_sk_omem_alloc),
+                [META_ID(SK_WMEM_QUEUED)]       = META_FUNC(int_sk_wmem_queued),
+                [META_ID(SK_RCV_QLEN)]          = META_FUNC(int_sk_rcv_qlen),
+                [META_ID(SK_SND_QLEN)]          = META_FUNC(int_sk_snd_qlen),
+                [META_ID(SK_ERR_QLEN)]          = META_FUNC(int_sk_err_qlen),
+                [META_ID(SK_FORWARD_ALLOCS)]    = META_FUNC(int_sk_fwd_alloc),
+                [META_ID(SK_ALLOCS)]            = META_FUNC(int_sk_alloc),
+                [META_ID(SK_ROUTE_CAPS)]        = META_FUNC(int_sk_route_caps),
+                [META_ID(SK_HASHENT)]           = META_FUNC(int_sk_hashent),
+                [META_ID(SK_LINGERTIME)]        = META_FUNC(int_sk_lingertime),
+                [META_ID(SK_ACK_BACKLOG)]       = META_FUNC(int_sk_ack_bl),
+                [META_ID(SK_MAX_ACK_BACKLOG)]   = META_FUNC(int_sk_max_ack_bl),
+                [META_ID(SK_PRIO)]              = META_FUNC(int_sk_prio),
+                [META_ID(SK_RCVLOWAT)]          = META_FUNC(int_sk_rcvlowat),
+                [META_ID(SK_RCVTIMEO)]          = META_FUNC(int_sk_rcvtimeo),
+                [META_ID(SK_SNDTIMEO)]          = META_FUNC(int_sk_sndtimeo),
+                [META_ID(SK_SENDMSG_OFF)]       = META_FUNC(int_sk_sendmsg_off),
+                [META_ID(SK_WRITE_PENDING)]     = META_FUNC(int_sk_write_pend),
         }
 };
 
@@ -396,9 +639,9 @@ static int meta_int_compare(struct meta_obj *a, struct meta_obj *b)
         /* Let gcc optimize it, the unlikely is not really based on
          * some numbers but jump free code for mismatches seems
          * more logical. */
-        if (unlikely(a == b))
+        if (unlikely(a->value == b->value))
                 return 0;
-        else if (a < b)
+        else if (a->value < b->value)
                 return -1;
         else
                 return 1;