dst: Pass net into dst->output

The network namespace is already passed into dst_output pass it into
dst->output lwt->output and friends.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

18 files changed, 45 insertions, 53 deletions

diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 21bb7deb6d58..191579aeab16 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -312,10 +312,9 @@ err:
         return ret;
 }
 
-static int vrf_output(struct sock *sk, struct sk_buff *skb)
+static int vrf_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct net_device *dev = skb_dst(skb)->dev;
-        struct net *net = dev_net(dev);
 
         IP_UPD_PO_STATS(net, IPSTATS_MIB_OUT, skb->len);
 
diff --git a/include/net/dst.h b/include/net/dst.h
index fdd01fed1a7b..1279f9b09791 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -45,7 +45,7 @@ struct dst_entry {
         void                    *__pad1;
 #endif
         int                     (*input)(struct sk_buff *);
-        int                     (*output)(struct sock *sk, struct sk_buff *skb);
+        int                     (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
 
         unsigned short          flags;
 #define DST_HOST                0x0001
@@ -365,10 +365,10 @@ static inline void skb_tunnel_rx(struct sk_buff *skb, struct net_device *dev,
         __skb_tunnel_rx(skb, dev, net);
 }
 
-int dst_discard_sk(struct sock *sk, struct sk_buff *skb);
+int dst_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb);
 static inline int dst_discard(struct sk_buff *skb)
 {
-        return dst_discard_sk(skb->sk, skb);
+        return dst_discard_out(&init_net, skb->sk, skb);
 }
 void *dst_alloc(struct dst_ops *ops, struct net_device *dev, int initial_ref,
                 int initial_obsolete, unsigned short flags);
@@ -456,7 +456,7 @@ static inline void dst_set_expires(struct dst_entry *dst, int timeout)
 /* Output packet to network from transport.  */
 static inline int dst_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
-        return skb_dst(skb)->output(sk, skb);
+        return skb_dst(skb)->output(net, sk, skb);
 }
 
 /* Input packet from network to transport.  */
diff --git a/include/net/ip.h b/include/net/ip.h
index 7febbab784cd..3c904a28d5e5 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -107,8 +107,8 @@ int ip_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt,
            struct net_device *orig_dev);
 int ip_local_deliver(struct sk_buff *skb);
 int ip_mr_input(struct sk_buff *skb);
-int ip_output(struct sock *sk, struct sk_buff *skb);
-int ip_mc_output(struct sock *sk, struct sk_buff *skb);
+int ip_output(struct net *net, struct sock *sk, struct sk_buff *skb);
+int ip_mc_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int ip_do_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
                    int (*output)(struct net *, struct sock *, struct sk_buff *));
 void ip_send_check(struct iphdr *ip);
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index fce8120c2be3..e1a10b0ac0b0 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -860,7 +860,7 @@ struct dst_entry *ip6_blackhole_route(struct net *net,
  *      skb processing functions
  */
 
-int ip6_output(struct sock *sk, struct sk_buff *skb);
+int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int ip6_forward(struct sk_buff *skb);
 int ip6_input(struct sk_buff *skb);
 int ip6_mc_input(struct sk_buff *skb);
diff --git a/include/net/lwtunnel.h b/include/net/lwtunnel.h
index fce0e35e74d0..66350ce3e955 100644
--- a/include/net/lwtunnel.h
+++ b/include/net/lwtunnel.h
@@ -18,7 +18,7 @@ struct lwtunnel_state {
         __u16           type;
         __u16           flags;
         atomic_t        refcnt;
-        int             (*orig_output)(struct sock *sk, struct sk_buff *skb);
+        int             (*orig_output)(struct net *net, struct sock *sk, struct sk_buff *skb);
         int             (*orig_input)(struct sk_buff *);
         int             len;
         __u8            data[0];
@@ -28,7 +28,7 @@ struct lwtunnel_encap_ops {
         int (*build_state)(struct net_device *dev, struct nlattr *encap,
                            unsigned int family, const void *cfg,
                            struct lwtunnel_state **ts);
-        int (*output)(struct sock *sk, struct sk_buff *skb);
+        int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
         int (*input)(struct sk_buff *skb);
         int (*fill_encap)(struct sk_buff *skb,
                           struct lwtunnel_state *lwtstate);
@@ -88,7 +88,7 @@ int lwtunnel_fill_encap(struct sk_buff *skb,
 int lwtunnel_get_encap_size(struct lwtunnel_state *lwtstate);
 struct lwtunnel_state *lwtunnel_state_alloc(int hdr_len);
 int lwtunnel_cmp_encap(struct lwtunnel_state *a, struct lwtunnel_state *b);
-int lwtunnel_output(struct sock *sk, struct sk_buff *skb);
+int lwtunnel_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int lwtunnel_input(struct sk_buff *skb);
 
 #else
@@ -160,7 +160,7 @@ static inline int lwtunnel_cmp_encap(struct lwtunnel_state *a,
         return 0;
 }
 
-static inline int lwtunnel_output(struct sock *sk, struct sk_buff *skb)
+static inline int lwtunnel_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         return -EOPNOTSUPP;
 }
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index fd176106909a..4a9c21f9b4ea 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -333,7 +333,7 @@ struct xfrm_state_afinfo {
                                                 const xfrm_address_t *saddr);
         int                     (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
         int                     (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
-        int                     (*output)(struct sock *sk, struct sk_buff *skb);
+        int                     (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);
         int                     (*output_finish)(struct sock *sk, struct sk_buff *skb);
         int                     (*extract_input)(struct xfrm_state *x,
                                                  struct sk_buff *skb);
@@ -1527,7 +1527,7 @@ static inline int xfrm4_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi)
 
 int xfrm4_extract_output(struct xfrm_state *x, struct sk_buff *skb);
 int xfrm4_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
-int xfrm4_output(struct sock *sk, struct sk_buff *skb);
+int xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int xfrm4_output_finish(struct sock *sk, struct sk_buff *skb);
 int xfrm4_rcv_cb(struct sk_buff *skb, u8 protocol, int err);
 int xfrm4_protocol_register(struct xfrm4_protocol *handler, unsigned char protocol);
@@ -1552,7 +1552,7 @@ __be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr);
 __be32 xfrm6_tunnel_spi_lookup(struct net *net, const xfrm_address_t *saddr);
 int xfrm6_extract_output(struct xfrm_state *x, struct sk_buff *skb);
 int xfrm6_prepare_output(struct xfrm_state *x, struct sk_buff *skb);
-int xfrm6_output(struct sock *sk, struct sk_buff *skb);
+int xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb);
 int xfrm6_output_finish(struct sock *sk, struct sk_buff *skb);
 int xfrm6_find_1stfragopt(struct xfrm_state *x, struct sk_buff *skb,
                           u8 **prevhdr);
diff --git a/net/core/dst.c b/net/core/dst.c
index 0771c8cb9307..2a1818065e12 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -144,12 +144,12 @@ loop:
         mutex_unlock(&dst_gc_mutex);
 }
 
-int dst_discard_sk(struct sock *sk, struct sk_buff *skb)
+int dst_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         kfree_skb(skb);
         return 0;
 }
-EXPORT_SYMBOL(dst_discard_sk);
+EXPORT_SYMBOL(dst_discard_out);
 
 const u32 dst_default_metrics[RTAX_MAX + 1] = {
         /* This initializer is needed to force linker to place this variable
@@ -177,7 +177,7 @@ void dst_init(struct dst_entry *dst, struct dst_ops *ops,
         dst->xfrm = NULL;
 #endif
         dst->input = dst_discard;
-        dst->output = dst_discard_sk;
+        dst->output = dst_discard_out;
         dst->error = 0;
         dst->obsolete = initial_obsolete;
         dst->header_len = 0;
@@ -224,7 +224,7 @@ static void ___dst_free(struct dst_entry *dst)
          */
         if (dst->dev == NULL || !(dst->dev->flags&IFF_UP)) {
                 dst->input = dst_discard;
-                dst->output = dst_discard_sk;
+                dst->output = dst_discard_out;
         }
         dst->obsolete = DST_OBSOLETE_DEAD;
 }
@@ -352,7 +352,7 @@ static struct dst_ops md_dst_ops = {
         .family =               AF_UNSPEC,
 };
 
-static int dst_md_discard_sk(struct sock *sk, struct sk_buff *skb)
+static int dst_md_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         WARN_ONCE(1, "Attempting to call output on metadata dst\n");
         kfree_skb(skb);
@@ -375,7 +375,7 @@ static void __metadata_dst_init(struct metadata_dst *md_dst, u8 optslen)
                  DST_METADATA | DST_NOCACHE | DST_NOCOUNT);
 
         dst->input = dst_md_discard;
-        dst->output = dst_md_discard_sk;
+        dst->output = dst_md_discard_out;
 
         memset(dst + 1, 0, sizeof(*md_dst) + optslen - sizeof(*dst));
 }
@@ -430,7 +430,7 @@ static void dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 
         if (!unregister) {
                 dst->input = dst_discard;
-                dst->output = dst_discard_sk;
+                dst->output = dst_discard_out;
         } else {
                 dst->dev = dev_net(dst->dev)->loopback_dev;
                 dev_hold(dst->dev);
diff --git a/net/core/lwtunnel.c b/net/core/lwtunnel.c
index dfb1a9ca0835..299cfc24d888 100644
--- a/net/core/lwtunnel.c
+++ b/net/core/lwtunnel.c
@@ -180,7 +180,7 @@ int lwtunnel_cmp_encap(struct lwtunnel_state *a, struct lwtunnel_state *b)
 }
 EXPORT_SYMBOL(lwtunnel_cmp_encap);
 
-int lwtunnel_output(struct sock *sk, struct sk_buff *skb)
+int lwtunnel_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct dst_entry *dst = skb_dst(skb);
         const struct lwtunnel_encap_ops *ops;
@@ -199,7 +199,7 @@ int lwtunnel_output(struct sock *sk, struct sk_buff *skb)
         rcu_read_lock();
         ops = rcu_dereference(lwtun_encaps[lwtstate->type]);
         if (likely(ops && ops->output))
-                ret = ops->output(sk, skb);
+                ret = ops->output(net, sk, skb);
         rcu_read_unlock();
 
         if (ret == -EOPNOTSUPP)
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index e930321e2c1d..27fce283117b 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -744,7 +744,7 @@ out:
         return NET_RX_DROP;
 }
 
-static int dn_output(struct sock *sk, struct sk_buff *skb)
+static int dn_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct dst_entry *dst = skb_dst(skb);
         struct dn_route *rt = (struct dn_route *)dst;
@@ -832,7 +832,7 @@ drop:
  * Used to catch bugs. This should never normally get
  * called.
  */
-static int dn_rt_bug_sk(struct sock *sk, struct sk_buff *skb)
+static int dn_rt_bug_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct dn_skb_cb *cb = DN_SKB_CB(skb);
 
@@ -1469,7 +1469,7 @@ make_route:
 
         rt->n = neigh;
         rt->dst.lastuse = jiffies;
-        rt->dst.output = dn_rt_bug_sk;
+        rt->dst.output = dn_rt_bug_out;
         switch (res.type) {
         case RTN_UNICAST:
                 rt->dst.input = dn_forward;
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 9fe100a41e5d..67404e1fe7d4 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -284,11 +284,10 @@ static int ip_finish_output(struct net *net, struct sock *sk, struct sk_buff *sk
         return ip_finish_output2(net, sk, skb);
 }
 
-int ip_mc_output(struct sock *sk, struct sk_buff *skb)
+int ip_mc_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct rtable *rt = skb_rtable(skb);
         struct net_device *dev = rt->dst.dev;
-        struct net *net = dev_net(dev);
 
         /*
          *      If the indicated interface is up and running, send the packet.
@@ -347,10 +346,9 @@ int ip_mc_output(struct sock *sk, struct sk_buff *skb)
                             !(IPCB(skb)->flags & IPSKB_REROUTED));
 }
 
-int ip_output(struct sock *sk, struct sk_buff *skb)
+int ip_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct net_device *dev = skb_dst(skb)->dev;
-        struct net *net = dev_net(dev);
 
         IP_UPD_PO_STATS(net, IPSTATS_MIB_OUT, skb->len);
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index bf1486bd7e81..4be5ff08f98d 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1152,7 +1152,7 @@ static void ipv4_link_failure(struct sk_buff *skb)
                 dst_set_expires(&rt->dst, 0);
 }
 
-static int ip_rt_bug(struct sock *sk, struct sk_buff *skb)
+static int ip_rt_bug(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         pr_debug("%s: %pI4 -> %pI4, %s\n",
                  __func__, &ip_hdr(skb)->saddr, &ip_hdr(skb)->daddr,
@@ -2303,7 +2303,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or
 
                 new->__use = 1;
                 new->input = dst_discard;
-                new->output = dst_discard_sk;
+                new->output = dst_discard_out;
 
                 new->dev = ort->dst.dev;
                 if (new->dev)
diff --git a/net/ipv4/xfrm4_output.c b/net/ipv4/xfrm4_output.c
index 17db61f4b439..9f298d0dc9a1 100644
--- a/net/ipv4/xfrm4_output.c
+++ b/net/ipv4/xfrm4_output.c
@@ -94,10 +94,8 @@ static int __xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb)
         return x->outer_mode->afinfo->output_finish(sk, skb);
 }
 
-int xfrm4_output(struct sock *sk, struct sk_buff *skb)
+int xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
-        struct net *net = dev_net(skb_dst(skb)->dev);
-
         return NF_HOOK_COND(NFPROTO_IPV4, NF_INET_POST_ROUTING,
                             net, sk, skb, NULL, skb_dst(skb)->dev,
                             __xfrm4_output,
diff --git a/net/ipv6/ila.c b/net/ipv6/ila.c
index 678d2df4b8d9..1a6852e1ac69 100644
--- a/net/ipv6/ila.c
+++ b/net/ipv6/ila.c
@@ -91,7 +91,7 @@ static void update_ipv6_locator(struct sk_buff *skb, struct ila_params *p)
         *(__be64 *)&ip6h->daddr = p->locator;
 }
 
-static int ila_output(struct sock *sk, struct sk_buff *skb)
+static int ila_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct dst_entry *dst = skb_dst(skb);
 
@@ -100,7 +100,7 @@ static int ila_output(struct sock *sk, struct sk_buff *skb)
 
         update_ipv6_locator(skb, ila_params_lwtunnel(dst->lwtstate));
 
-        return dst->lwtstate->orig_output(sk, skb);
+        return dst->lwtstate->orig_output(net, sk, skb);
 
 drop:
         kfree_skb(skb);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 98510fac94e9..32583b507c2e 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -130,11 +130,10 @@ static int ip6_finish_output(struct net *net, struct sock *sk, struct sk_buff *s
                 return ip6_finish_output2(net, sk, skb);
 }
 
-int ip6_output(struct sock *sk, struct sk_buff *skb)
+int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct net_device *dev = skb_dst(skb)->dev;
         struct inet6_dev *idev = ip6_dst_idev(skb_dst(skb));
-        struct net *net = dev_net(dev);
 
         if (unlikely(idev->cnf.disable_ipv6)) {
                 IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index d3d946773a3e..4320ddcac33f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -86,9 +86,9 @@ static void		ip6_dst_ifdown(struct dst_entry *,
 static int               ip6_dst_gc(struct dst_ops *ops);
 
 static int              ip6_pkt_discard(struct sk_buff *skb);
-static int              ip6_pkt_discard_out(struct sock *sk, struct sk_buff *skb);
+static int              ip6_pkt_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb);
 static int              ip6_pkt_prohibit(struct sk_buff *skb);
-static int              ip6_pkt_prohibit_out(struct sock *sk, struct sk_buff *skb);
+static int              ip6_pkt_prohibit_out(struct net *net, struct sock *sk, struct sk_buff *skb);
 static void             ip6_link_failure(struct sk_buff *skb);
 static void             ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
                                            struct sk_buff *skb, u32 mtu);
@@ -308,7 +308,7 @@ static const struct rt6_info ip6_blk_hole_entry_template = {
                 .obsolete       = DST_OBSOLETE_FORCE_CHK,
                 .error          = -EINVAL,
                 .input          = dst_discard,
-                .output         = dst_discard_sk,
+                .output         = dst_discard_out,
         },
         .rt6i_flags     = (RTF_REJECT | RTF_NONEXTHOP),
         .rt6i_protocol  = RTPROT_KERNEL,
@@ -1195,7 +1195,7 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori
 
                 new->__use = 1;
                 new->input = dst_discard;
-                new->output = dst_discard_sk;
+                new->output = dst_discard_out;
 
                 if (dst_metrics_read_only(&ort->dst))
                         new->_metrics = ort->dst._metrics;
@@ -1853,7 +1853,7 @@ int ip6_route_info_create(struct fib6_config *cfg, struct rt6_info **rt_ret)
                 switch (cfg->fc_type) {
                 case RTN_BLACKHOLE:
                         rt->dst.error = -EINVAL;
-                        rt->dst.output = dst_discard_sk;
+                        rt->dst.output = dst_discard_out;
                         rt->dst.input = dst_discard;
                         break;
                 case RTN_PROHIBIT:
@@ -2446,7 +2446,7 @@ static int ip6_pkt_discard(struct sk_buff *skb)
         return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_INNOROUTES);
 }
 
-static int ip6_pkt_discard_out(struct sock *sk, struct sk_buff *skb)
+static int ip6_pkt_discard_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         skb->dev = skb_dst(skb)->dev;
         return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_OUTNOROUTES);
@@ -2457,7 +2457,7 @@ static int ip6_pkt_prohibit(struct sk_buff *skb)
         return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_INNOROUTES);
 }
 
-static int ip6_pkt_prohibit_out(struct sock *sk, struct sk_buff *skb)
+static int ip6_pkt_prohibit_out(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         skb->dev = skb_dst(skb)->dev;
         return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index c9a5bd5fea9c..9db067a11b52 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -173,10 +173,8 @@ static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
         return x->outer_mode->afinfo->output_finish(sk, skb);
 }
 
-int xfrm6_output(struct sock *sk, struct sk_buff *skb)
+int xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
-        struct net *net = dev_net(skb_dst(skb)->dev);
-
         return NF_HOOK_COND(NFPROTO_IPV6, NF_INET_POST_ROUTING,
                             net, sk, skb,  NULL, skb_dst(skb)->dev,
                             __xfrm6_output,
diff --git a/net/mpls/mpls_iptunnel.c b/net/mpls/mpls_iptunnel.c
index 21e70bc9af98..67591aef9cae 100644
--- a/net/mpls/mpls_iptunnel.c
+++ b/net/mpls/mpls_iptunnel.c
@@ -37,7 +37,7 @@ static unsigned int mpls_encap_size(struct mpls_iptunnel_encap *en)
         return en->labels * sizeof(struct mpls_shim_hdr);
 }
 
-int mpls_output(struct sock *sk, struct sk_buff *skb)
+int mpls_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         struct mpls_iptunnel_encap *tun_encap_info;
         struct mpls_shim_hdr *hdr;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index f4f2d987f8f0..09bfcbac63bb 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1957,7 +1957,7 @@ purge_queue:
         xfrm_pol_put(pol);
 }
 
-static int xdst_queue_output(struct sock *sk, struct sk_buff *skb)
+static int xdst_queue_output(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
         unsigned long sched_next;
         struct dst_entry *dst = skb_dst(skb);