18 files changed, 34 insertions, 50 deletions

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index c2f300c314be..5ac89025f9de 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -614,7 +614,7 @@ static void ah6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
             type != ICMPV6_PKT_TOOBIG)
                 return;
 
-        x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6);
+        x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, ah->spi, IPPROTO_AH, AF_INET6);
         if (!x)
                 return;
 
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 668a46b655e6..ee9b93bdd6a2 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -365,7 +365,7 @@ static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
             type != ICMPV6_PKT_TOOBIG)
                 return;
 
-        x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6);
+        x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, esph->spi, IPPROTO_ESP, AF_INET6);
         if (!x)
                 return;
         printk(KERN_DEBUG "pmtu discovery on SA ESP/%08x/%pI6\n",
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 4bac362b1335..074f2c084f9f 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -481,7 +481,7 @@ looped_back:
                         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);
+                                    0);
                         kfree_skb(skb);
                         return -1;
                 }
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 217dbc2e28d4..eb9abe24bdf0 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -67,11 +67,6 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
-DEFINE_SNMP_STAT(struct icmpv6_mib, icmpv6_statistics) __read_mostly;
-EXPORT_SYMBOL(icmpv6_statistics);
-DEFINE_SNMP_STAT(struct icmpv6msg_mib, icmpv6msg_statistics) __read_mostly;
-EXPORT_SYMBOL(icmpv6msg_statistics);
-
 /*
  *      The ICMP socket(s). This is the most convenient way to flow control
  *      our ICMP output as well as maintain a clean interface throughout
@@ -119,7 +114,7 @@ static __inline__ void icmpv6_xmit_unlock(struct sock *sk)
  */
 void icmpv6_param_prob(struct sk_buff *skb, u8 code, int pos)
 {
-        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos, skb->dev);
+        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos);
         kfree_skb(skb);
 }
 
@@ -305,8 +300,7 @@ static inline void mip6_addr_swap(struct sk_buff *skb) {}
 /*
  *      Send an ICMP message in response to a packet in error
  */
-void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info,
-                 struct net_device *dev)
+void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info)
 {
         struct net *net = dev_net(skb->dev);
         struct inet6_dev *idev = NULL;
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 77e122f53ea6..2f9847924fa5 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -93,29 +93,20 @@ static __u32 rt_sernum;
 
 static void fib6_gc_timer_cb(unsigned long arg);
 
-static struct fib6_walker_t fib6_walker_list = {
-        .prev   = &fib6_walker_list,
-        .next   = &fib6_walker_list,
-};
-
-#define FOR_WALKERS(w) for ((w)=fib6_walker_list.next; (w) != &fib6_walker_list; (w)=(w)->next)
+static LIST_HEAD(fib6_walkers);
+#define FOR_WALKERS(w) list_for_each_entry(w, &fib6_walkers, lh)
 
 static inline void fib6_walker_link(struct fib6_walker_t *w)
 {
         write_lock_bh(&fib6_walker_lock);
-        w->next = fib6_walker_list.next;
-        w->prev = &fib6_walker_list;
-        w->next->prev = w;
-        w->prev->next = w;
+        list_add(&w->lh, &fib6_walkers);
         write_unlock_bh(&fib6_walker_lock);
 }
 
 static inline void fib6_walker_unlink(struct fib6_walker_t *w)
 {
         write_lock_bh(&fib6_walker_lock);
-        w->next->prev = w->prev;
-        w->prev->next = w->next;
-        w->prev = w->next = w;
+        list_del(&w->lh);
         write_unlock_bh(&fib6_walker_lock);
 }
 static __inline__ u32 fib6_new_sernum(void)
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 237e2dba6e94..e28f9203deca 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -216,8 +216,7 @@ resubmit:
                                 IP6_INC_STATS_BH(net, idev,
                                                  IPSTATS_MIB_INUNKNOWNPROTOS);
                                 icmpv6_send(skb, ICMPV6_PARAMPROB,
-                                            ICMPV6_UNK_NEXTHDR, nhoff,
-                                            skb->dev);
+                                            ICMPV6_UNK_NEXTHDR, nhoff);
                         }
                 } else
                         IP6_INC_STATS_BH(net, idev, IPSTATS_MIB_INDELIVERS);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index eb6d09728633..1a5fe9ad1947 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -267,7 +267,7 @@ int ip6_xmit(struct sock *sk, struct sk_buff *skb, struct flowi *fl,
         if (net_ratelimit())
                 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);
+        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
         IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_FRAGFAILS);
         kfree_skb(skb);
         return -EMSGSIZE;
@@ -441,8 +441,7 @@ int ip6_forward(struct sk_buff *skb)
         if (hdr->hop_limit <= 1) {
                 /* Force OUTPUT device used as source address */
                 skb->dev = dst->dev;
-                icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT,
-                            0, skb->dev);
+                icmpv6_send(skb, ICMPV6_TIME_EXCEED, ICMPV6_EXC_HOPLIMIT, 0);
                 IP6_INC_STATS_BH(net,
                                  ip6_dst_idev(dst), IPSTATS_MIB_INHDRERRORS);
 
@@ -504,7 +503,7 @@ int ip6_forward(struct sk_buff *skb)
                         goto error;
                 if (addrtype & IPV6_ADDR_LINKLOCAL) {
                         icmpv6_send(skb, ICMPV6_DEST_UNREACH,
-                                ICMPV6_NOT_NEIGHBOUR, 0, skb->dev);
+                                    ICMPV6_NOT_NEIGHBOUR, 0);
                         goto error;
                 }
         }
@@ -512,7 +511,7 @@ int ip6_forward(struct sk_buff *skb)
         if (skb->len > dst_mtu(dst)) {
                 /* Again, force OUTPUT device used as source address */
                 skb->dev = dst->dev;
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, dst_mtu(dst), skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, dst_mtu(dst));
                 IP6_INC_STATS_BH(net,
                                  ip6_dst_idev(dst), IPSTATS_MIB_INTOOBIGERRORS);
                 IP6_INC_STATS_BH(net,
@@ -627,7 +626,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
          */
         if (!skb->local_df) {
                 skb->dev = skb_dst(skb)->dev;
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
                               IPSTATS_MIB_FRAGFAILS);
                 kfree_skb(skb);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 9b02492d8706..138980eec214 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -622,7 +622,7 @@ ip6ip6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                 if (rt && rt->rt6i_dev)
                         skb2->dev = rt->rt6i_dev;
 
-                icmpv6_send(skb2, rel_type, rel_code, rel_info, skb2->dev);
+                icmpv6_send(skb2, rel_type, rel_code, rel_info);
 
                 if (rt)
                         dst_release(&rt->u.dst);
@@ -1014,7 +1014,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
                 tel = (struct ipv6_tlv_tnl_enc_lim *)&skb_network_header(skb)[offset];
                 if (tel->encap_limit == 0) {
                         icmpv6_send(skb, ICMPV6_PARAMPROB,
-                                    ICMPV6_HDR_FIELD, offset + 2, skb->dev);
+                                    ICMPV6_HDR_FIELD, offset + 2);
                         return -1;
                 }
                 encap_limit = tel->encap_limit - 1;
@@ -1033,7 +1033,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
         err = ip6_tnl_xmit2(skb, dev, dsfield, &fl, encap_limit, &mtu);
         if (err != 0) {
                 if (err == -EMSGSIZE)
-                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
+                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 return -1;
         }
 
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index bb42f39c1db8..85cccd6ed0b7 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -64,7 +64,7 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                 return;
 
         spi = htonl(ntohs(ipcomph->cpi));
-        x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6);
+        x = xfrm_state_lookup(net, skb->mark, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6);
         if (!x)
                 return;
 
@@ -92,6 +92,7 @@ static struct xfrm_state *ipcomp6_tunnel_create(struct xfrm_state *x)
         t->props.family = AF_INET6;
         t->props.mode = x->props.mode;
         memcpy(t->props.saddr.a6, x->props.saddr.a6, sizeof(struct in6_addr));
+        memcpy(&t->mark, &x->mark, sizeof(t->mark));
 
         if (xfrm_init_state(t))
                 goto error;
@@ -114,10 +115,11 @@ static int ipcomp6_tunnel_attach(struct xfrm_state *x)
         int err = 0;
         struct xfrm_state *t = NULL;
         __be32 spi;
+        u32 mark = x->mark.m & x->mark.v;
 
         spi = xfrm6_tunnel_spi_lookup(net, (xfrm_address_t *)&x->props.saddr);
         if (spi)
-                t = xfrm_state_lookup(net, (xfrm_address_t *)&x->id.daddr,
+                t = xfrm_state_lookup(net, mark, (xfrm_address_t *)&x->id.daddr,
                                               spi, IPPROTO_IPV6, AF_INET6);
         if (!t) {
                 t = ipcomp6_tunnel_create(x);
diff --git a/net/ipv6/mip6.c b/net/ipv6/mip6.c
index f797e8c6f3b3..2794b6002836 100644
--- a/net/ipv6/mip6.c
+++ b/net/ipv6/mip6.c
@@ -56,7 +56,7 @@ static inline void *mip6_padn(__u8 *data, __u8 padlen)
 
 static inline void mip6_param_prob(struct sk_buff *skb, u8 code, int pos)
 {
-        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos, skb->dev);
+        icmpv6_send(skb, ICMPV6_PARAMPROB, code, pos);
 }
 
 static int mip6_mh_len(int type)
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 8311ca31816a..dd8afbaf00a8 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -169,7 +169,7 @@ send_unreach(struct net *net, struct sk_buff *skb_in, unsigned char code,
         if (hooknum == NF_INET_LOCAL_OUT && skb_in->dev == NULL)
                 skb_in->dev = net->loopback_dev;
 
-        icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0, NULL);
+        icmpv6_send(skb_in, ICMPV6_DEST_UNREACH, code, 0);
 }
 
 static unsigned int
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index b2847ed6a7d9..a555156e9779 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -228,7 +228,7 @@ static void ip6_frag_expire(unsigned long data)
            pointer directly, device might already disappeared.
          */
         fq->q.fragments->dev = dev;
-        icmpv6_send(fq->q.fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0, dev);
+        icmpv6_send(fq->q.fragments, ICMPV6_TIME_EXCEED, ICMPV6_EXC_FRAGTIME, 0);
 out_rcu_unlock:
         rcu_read_unlock();
 out:
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8500156f2637..88c0a5c49ae8 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -909,7 +909,7 @@ static void ip6_link_failure(struct sk_buff *skb)
 {
         struct rt6_info *rt;
 
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0);
 
         rt = (struct rt6_info *) skb_dst(skb);
         if (rt) {
@@ -1884,7 +1884,7 @@ static int ip6_pkt_drop(struct sk_buff *skb, u8 code, int ipstats_mib_noroutes)
                               ipstats_mib_noroutes);
                 break;
         }
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, code, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, code, 0);
         kfree_skb(skb);
         return 0;
 }
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 96eb2d4641c4..b1eea811be48 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -743,7 +743,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
                         skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
                 if (skb->len > mtu) {
-                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, dev);
+                        icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                         ip_rt_put(rt);
                         goto tx_error;
                 }
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 51e2832d13a6..e17bc1dfc1a4 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -98,7 +98,7 @@ static int tunnel6_rcv(struct sk_buff *skb)
                 if (!handler->handler(skb))
                         return 0;
 
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
 
 drop:
         kfree_skb(skb);
@@ -116,7 +116,7 @@ static int tunnel46_rcv(struct sk_buff *skb)
                 if (!handler->handler(skb))
                         return 0;
 
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
 
 drop:
         kfree_skb(skb);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index a7af9d68cd6c..52b8347ae3b2 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -680,12 +680,11 @@ static inline int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh,
 int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
                    int proto)
 {
+        struct net *net = dev_net(skb->dev);
         struct sock *sk;
         struct udphdr *uh;
-        struct net_device *dev = skb->dev;
         struct in6_addr *saddr, *daddr;
         u32 ulen = 0;
-        struct net *net = dev_net(skb->dev);
 
         if (!pskb_may_pull(skb, sizeof(struct udphdr)))
                 goto short_packet;
@@ -744,7 +743,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
                 UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS,
                                 proto == IPPROTO_UDPLITE);
 
-                icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, dev);
+                icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0);
 
                 kfree_skb(skb);
                 return 0;
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 9084582d236b..2bc98ede1235 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -101,7 +101,7 @@ int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr,
                         break;
                 }
 
-                x = xfrm_state_lookup_byaddr(net, dst, src, proto, AF_INET6);
+                x = xfrm_state_lookup_byaddr(net, skb->mark, dst, src, proto, AF_INET6);
                 if (!x)
                         continue;
 
diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index c4f4eef032a3..0c92112dcba3 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -38,7 +38,7 @@ static int xfrm6_tunnel_check_size(struct sk_buff *skb)
 
         if (!skb->local_df && skb->len > mtu) {
                 skb->dev = dst->dev;
-                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu, skb->dev);
+                icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu);
                 ret = -EMSGSIZE;
         }