Merge branch 'master' of /repos/git/net-next-2.6

Signed-off-by: Patrick McHardy <kaber@trash.net>

26 files changed, 197 insertions, 150 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index de7a194a64ab..1593289155ff 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3027,14 +3027,14 @@ static const struct file_operations if6_fops = {
         .release        = seq_release_net,
 };
 
-static int if6_proc_net_init(struct net *net)
+static int __net_init if6_proc_net_init(struct net *net)
 {
         if (!proc_net_fops_create(net, "if_inet6", S_IRUGO, &if6_fops))
                 return -ENOMEM;
         return 0;
 }
 
-static void if6_proc_net_exit(struct net *net)
+static void __net_exit if6_proc_net_exit(struct net *net)
 {
        proc_net_remove(net, "if_inet6");
 }
@@ -4418,7 +4418,7 @@ static void addrconf_sysctl_unregister(struct inet6_dev *idev)
 
 #endif
 
-static int addrconf_init_net(struct net *net)
+static int __net_init addrconf_init_net(struct net *net)
 {
         int err;
         struct ipv6_devconf *all, *dflt;
@@ -4467,7 +4467,7 @@ err_alloc_all:
         return err;
 }
 
-static void addrconf_exit_net(struct net *net)
+static void __net_exit addrconf_exit_net(struct net *net)
 {
 #ifdef CONFIG_SYSCTL
         __addrconf_sysctl_unregister(net->ipv6.devconf_dflt);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 12e69d364dd5..e29160ff4a0f 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -999,7 +999,7 @@ err_udplite_mib:
         return -ENOMEM;
 }
 
-static void __net_exit ipv6_cleanup_mibs(struct net *net)
+static void ipv6_cleanup_mibs(struct net *net)
 {
         snmp_mib_free((void **)net->mib.udp_stats_in6);
         snmp_mib_free((void **)net->mib.udplite_stats_in6);
@@ -1042,7 +1042,7 @@ out:
 #endif
 }
 
-static void inet6_net_exit(struct net *net)
+static void __net_exit inet6_net_exit(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
         udp6_proc_exit(net);
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index f1c74c8ef9de..c4f6ca32fa74 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -538,7 +538,7 @@ static const struct file_operations ac6_seq_fops = {
         .release        =       seq_release_net,
 };
 
-int ac6_proc_init(struct net *net)
+int __net_init ac6_proc_init(struct net *net)
 {
         if (!proc_net_fops_create(net, "anycast6", S_IRUGO, &ac6_seq_fops))
                 return -ENOMEM;
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index df159fffe4bc..4bac362b1335 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -559,6 +559,11 @@ static inline struct inet6_dev *ipv6_skb_idev(struct sk_buff *skb)
         return skb_dst(skb) ? ip6_dst_idev(skb_dst(skb)) : __in6_dev_get(skb->dev);
 }
 
+static inline struct net *ipv6_skb_net(struct sk_buff *skb)
+{
+        return skb_dst(skb) ? dev_net(skb_dst(skb)->dev) : dev_net(skb->dev);
+}
+
 /* Router Alert as of RFC 2711 */
 
 static int ipv6_hop_ra(struct sk_buff *skb, int optoff)
@@ -580,8 +585,8 @@ static int ipv6_hop_ra(struct sk_buff *skb, int optoff)
 static int ipv6_hop_jumbo(struct sk_buff *skb, int optoff)
 {
         const unsigned char *nh = skb_network_header(skb);
+        struct net *net = ipv6_skb_net(skb);
         u32 pkt_len;
-        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/fib6_rules.c b/net/ipv6/fib6_rules.c
index b7aa7c64cc4a..551882b9dfd6 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -262,7 +262,7 @@ static struct fib_rules_ops fib6_rules_ops_template = {
         .fro_net                = &init_net,
 };
 
-static int fib6_rules_net_init(struct net *net)
+static int __net_init fib6_rules_net_init(struct net *net)
 {
         struct fib_rules_ops *ops;
         int err = -ENOMEM;
@@ -291,7 +291,7 @@ out_fib6_rules_ops:
         goto out;
 }
 
-static void fib6_rules_net_exit(struct net *net)
+static void __net_exit fib6_rules_net_exit(struct net *net)
 {
         fib_rules_unregister(net->ipv6.fib6_rules_ops);
 }
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4ae661bc3677..217dbc2e28d4 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -951,7 +951,7 @@ ctl_table ipv6_icmp_table_template[] = {
         { },
 };
 
-struct ctl_table *ipv6_icmp_sysctl_init(struct net *net)
+struct ctl_table * __net_init ipv6_icmp_sysctl_init(struct net *net)
 {
         struct ctl_table *table;
 
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 0e93ca56eb69..f626ea2b304f 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -239,7 +239,7 @@ struct fib6_table *fib6_get_table(struct net *net, u32 id)
         return NULL;
 }
 
-static void fib6_tables_init(struct net *net)
+static void __net_init fib6_tables_init(struct net *net)
 {
         fib6_link_table(net, net->ipv6.fib6_main_tbl);
         fib6_link_table(net, net->ipv6.fib6_local_tbl);
@@ -262,7 +262,7 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
         return (struct dst_entry *) lookup(net, net->ipv6.fib6_main_tbl, fl, flags);
 }
 
-static void fib6_tables_init(struct net *net)
+static void __net_init fib6_tables_init(struct net *net)
 {
         fib6_link_table(net, net->ipv6.fib6_main_tbl);
 }
@@ -1469,7 +1469,7 @@ static void fib6_gc_timer_cb(unsigned long arg)
         fib6_run_gc(0, (struct net *)arg);
 }
 
-static int fib6_net_init(struct net *net)
+static int __net_init fib6_net_init(struct net *net)
 {
         setup_timer(&net->ipv6.ip6_fib_timer, fib6_gc_timer_cb, (unsigned long)net);
 
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 6e7bffa2205e..e41eba8aacf1 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -154,7 +154,7 @@ static void ip6_fl_gc(unsigned long dummy)
         write_unlock(&ip6_fl_lock);
 }
 
-static void ip6_fl_purge(struct net *net)
+static void __net_exit ip6_fl_purge(struct net *net)
 {
         int i;
 
@@ -735,7 +735,7 @@ static const struct file_operations ip6fl_seq_fops = {
         .release        =       seq_release_net,
 };
 
-static int ip6_flowlabel_proc_init(struct net *net)
+static int __net_init ip6_flowlabel_proc_init(struct net *net)
 {
         if (!proc_net_fops_create(net, "ip6_flowlabel",
                                   S_IRUGO, &ip6fl_seq_fops))
@@ -743,7 +743,7 @@ static int ip6_flowlabel_proc_init(struct net *net)
         return 0;
 }
 
-static void ip6_flowlabel_proc_fini(struct net *net)
+static void __net_exit ip6_flowlabel_proc_fini(struct net *net)
 {
         proc_net_remove(net, "ip6_flowlabel");
 }
@@ -754,11 +754,10 @@ static inline int ip6_flowlabel_proc_init(struct net *net)
 }
 static inline void ip6_flowlabel_proc_fini(struct net *net)
 {
-        return ;
 }
 #endif
 
-static inline void ip6_flowlabel_net_exit(struct net *net)
+static void __net_exit ip6_flowlabel_net_exit(struct net *net)
 {
         ip6_fl_purge(net);
         ip6_flowlabel_proc_fini(net);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index cd48801a8d6f..eb6d09728633 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -121,10 +121,9 @@ static int ip6_output2(struct sk_buff *skb)
         skb->dev = dev;
 
         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(skb));
 
-                if (!(dev->flags & IFF_LOOPBACK) && (!np || np->mc_loop) &&
+                if (!(dev->flags & IFF_LOOPBACK) && sk_mc_loop(skb->sk) &&
                     ((mroute6_socket(dev_net(dev)) &&
                      !(IP6CB(skb)->flags & IP6SKB_FORWARDED)) ||
                      ipv6_chk_mcast_addr(dev, &ipv6_hdr(skb)->daddr,
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index d453d07b0dfe..fbd786981aa9 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -74,7 +74,6 @@ MODULE_LICENSE("GPL");
                      (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
                     (HASH_SIZE - 1))
 
-static void ip6_fb_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_setup(struct net_device *dev);
 
@@ -1364,7 +1363,7 @@ static void ip6_tnl_dev_init(struct net_device *dev)
  * Return: 0
  **/
 
-static void ip6_fb_tnl_dev_init(struct net_device *dev)
+static void __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
 {
         struct ip6_tnl *t = netdev_priv(dev);
         struct net *net = dev_net(dev);
@@ -1388,7 +1387,7 @@ static struct xfrm6_tunnel ip6ip6_handler = {
         .priority       =       1,
 };
 
-static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
+static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 {
         int h;
         struct ip6_tnl *t;
@@ -1407,7 +1406,7 @@ static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
         unregister_netdevice_many(&list);
 }
 
-static int ip6_tnl_init_net(struct net *net)
+static int __net_init ip6_tnl_init_net(struct net *net)
 {
         struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
         int err;
@@ -1436,7 +1435,7 @@ err_alloc_dev:
         return err;
 }
 
-static void ip6_tnl_exit_net(struct net *net)
+static void __net_exit ip6_tnl_exit_net(struct net *net)
 {
         struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 2f2a5ca2c878..a9fbb151bb79 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -53,6 +53,7 @@
 static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
                                 u8 type, u8 code, int offset, __be32 info)
 {
+        struct net *net = dev_net(skb->dev);
         __be32 spi;
         struct ipv6hdr *iph = (struct ipv6hdr*)skb->data;
         struct ip_comp_hdr *ipcomph =
@@ -63,7 +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(&init_net, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6);
+        x = xfrm_state_lookup(net, (xfrm_address_t *)&iph->daddr, spi, IPPROTO_COMP, AF_INET6);
         if (!x)
                 return;
 
@@ -74,14 +75,15 @@ static void ipcomp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
 static struct xfrm_state *ipcomp6_tunnel_create(struct xfrm_state *x)
 {
+        struct net *net = xs_net(x);
         struct xfrm_state *t = NULL;
 
-        t = xfrm_state_alloc(&init_net);
+        t = xfrm_state_alloc(net);
         if (!t)
                 goto out;
 
         t->id.proto = IPPROTO_IPV6;
-        t->id.spi = xfrm6_tunnel_alloc_spi((xfrm_address_t *)&x->props.saddr);
+        t->id.spi = xfrm6_tunnel_alloc_spi(net, (xfrm_address_t *)&x->props.saddr);
         if (!t->id.spi)
                 goto error;
 
@@ -108,13 +110,14 @@ error:
 
 static int ipcomp6_tunnel_attach(struct xfrm_state *x)
 {
+        struct net *net = xs_net(x);
         int err = 0;
         struct xfrm_state *t = NULL;
         __be32 spi;
 
-        spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&x->props.saddr);
+        spi = xfrm6_tunnel_spi_lookup(net, (xfrm_address_t *)&x->props.saddr);
         if (spi)
-                t = xfrm_state_lookup(&init_net, (xfrm_address_t *)&x->id.daddr,
+                t = xfrm_state_lookup(net, (xfrm_address_t *)&x->id.daddr,
                                               spi, IPPROTO_IPV6, AF_INET6);
         if (!t) {
                 t = ipcomp6_tunnel_create(x);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 1f9c44442e65..25f6cca79e6b 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2646,7 +2646,7 @@ static const struct file_operations igmp6_mcf_seq_fops = {
         .release        =       seq_release_net,
 };
 
-static int igmp6_proc_init(struct net *net)
+static int __net_init igmp6_proc_init(struct net *net)
 {
         int err;
 
@@ -2666,23 +2666,22 @@ out_proc_net_igmp6:
         goto out;
 }
 
-static void igmp6_proc_exit(struct net *net)
+static void __net_exit igmp6_proc_exit(struct net *net)
 {
         proc_net_remove(net, "mcfilter6");
         proc_net_remove(net, "igmp6");
 }
 #else
-static int igmp6_proc_init(struct net *net)
+static inline int igmp6_proc_init(struct net *net)
 {
         return 0;
 }
-static void igmp6_proc_exit(struct net *net)
+static inline void igmp6_proc_exit(struct net *net)
 {
-        ;
 }
 #endif
 
-static int igmp6_net_init(struct net *net)
+static int __net_init igmp6_net_init(struct net *net)
 {
         int err;
 
@@ -2708,7 +2707,7 @@ out_sock_create:
         goto out;
 }
 
-static void igmp6_net_exit(struct net *net)
+static void __net_exit igmp6_net_exit(struct net *net)
 {
         inet_ctl_sock_destroy(net->ipv6.igmp_sk);
         igmp6_proc_exit(net);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index c45852798092..2dfec6bb8ada 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1772,7 +1772,7 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void __user *bu
 
 #endif
 
-static int ndisc_net_init(struct net *net)
+static int __net_init ndisc_net_init(struct net *net)
 {
         struct ipv6_pinfo *np;
         struct sock *sk;
@@ -1797,7 +1797,7 @@ static int ndisc_net_init(struct net *net)
         return 0;
 }
 
-static void ndisc_net_exit(struct net *net)
+static void __net_exit ndisc_net_exit(struct net *net)
 {
         inet_ctl_sock_destroy(net->ipv6.ndisc_sk);
 }
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 0376ed6d5594..4332f4591482 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1169,10 +1169,10 @@ static int get_info(struct net *net, void __user *user, int *len, int compat)
         if (t && !IS_ERR(t)) {
                 struct ip6t_getinfo info;
                 const struct xt_table_info *private = t->private;
-
 #ifdef CONFIG_COMPAT
+                struct xt_table_info tmp;
+
                 if (compat) {
-                        struct xt_table_info tmp;
                         ret = compat_table_info(private, &tmp);
                         xt_compat_flush_offsets(AF_INET6);
                         private = &tmp;
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 744ea49de356..ad1fcda6898b 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -60,6 +60,7 @@ struct nf_ct_frag6_queue
         struct inet_frag_queue  q;
 
         __be32                  id;             /* fragment id          */
+        u32                     user;
         struct in6_addr         saddr;
         struct in6_addr         daddr;
 
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index c9605c3ad91f..bfe2598dd563 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -59,7 +59,7 @@ static const struct file_operations sockstat6_seq_fops = {
         .release = single_release_net,
 };
 
-static struct snmp_mib snmp6_ipstats_list[] = {
+static const struct snmp_mib snmp6_ipstats_list[] = {
 /* ipv6 mib according to RFC 2465 */
         SNMP_MIB_ITEM("Ip6InReceives", IPSTATS_MIB_INPKTS),
         SNMP_MIB_ITEM("Ip6InHdrErrors", IPSTATS_MIB_INHDRERRORS),
@@ -92,7 +92,7 @@ static struct snmp_mib snmp6_ipstats_list[] = {
         SNMP_MIB_SENTINEL
 };
 
-static struct snmp_mib snmp6_icmp6_list[] = {
+static const struct snmp_mib snmp6_icmp6_list[] = {
 /* icmpv6 mib according to RFC 2466 */
         SNMP_MIB_ITEM("Icmp6InMsgs", ICMP6_MIB_INMSGS),
         SNMP_MIB_ITEM("Icmp6InErrors", ICMP6_MIB_INERRORS),
@@ -120,7 +120,7 @@ static const char *const icmp6type2name[256] = {
 };
 
 
-static struct snmp_mib snmp6_udp6_list[] = {
+static const struct snmp_mib snmp6_udp6_list[] = {
         SNMP_MIB_ITEM("Udp6InDatagrams", UDP_MIB_INDATAGRAMS),
         SNMP_MIB_ITEM("Udp6NoPorts", UDP_MIB_NOPORTS),
         SNMP_MIB_ITEM("Udp6InErrors", UDP_MIB_INERRORS),
@@ -128,7 +128,7 @@ static struct snmp_mib snmp6_udp6_list[] = {
         SNMP_MIB_SENTINEL
 };
 
-static struct snmp_mib snmp6_udplite6_list[] = {
+static const struct snmp_mib snmp6_udplite6_list[] = {
         SNMP_MIB_ITEM("UdpLite6InDatagrams", UDP_MIB_INDATAGRAMS),
         SNMP_MIB_ITEM("UdpLite6NoPorts", UDP_MIB_NOPORTS),
         SNMP_MIB_ITEM("UdpLite6InErrors", UDP_MIB_INERRORS),
@@ -170,8 +170,8 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, void **mib)
         return;
 }
 
-static inline void
-snmp6_seq_show_item(struct seq_file *seq, void **mib, struct snmp_mib *itemlist)
+static void snmp6_seq_show_item(struct seq_file *seq, void **mib,
+                                const struct snmp_mib *itemlist)
 {
         int i;
         for (i=0; itemlist[i].name; i++)
@@ -259,7 +259,7 @@ int snmp6_unregister_dev(struct inet6_dev *idev)
         struct net *net = dev_net(idev->dev);
         if (!net->mib.proc_net_devsnmp6)
                 return -ENOENT;
-        if (!idev || !idev->stats.proc_dir_entry)
+        if (!idev->stats.proc_dir_entry)
                 return -EINVAL;
         remove_proc_entry(idev->stats.proc_dir_entry->name,
                           net->mib.proc_net_devsnmp6);
@@ -267,7 +267,7 @@ int snmp6_unregister_dev(struct inet6_dev *idev)
         return 0;
 }
 
-static int ipv6_proc_init_net(struct net *net)
+static int __net_init ipv6_proc_init_net(struct net *net)
 {
         if (!proc_net_fops_create(net, "sockstat6", S_IRUGO,
                         &sockstat6_seq_fops))
@@ -288,7 +288,7 @@ proc_dev_snmp6_fail:
         return -ENOMEM;
 }
 
-static void ipv6_proc_exit_net(struct net *net)
+static void __net_exit ipv6_proc_exit_net(struct net *net)
 {
         proc_net_remove(net, "sockstat6");
         proc_net_remove(net, "dev_snmp6");
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 926ce8eeffaf..ed31c37c6e39 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1275,7 +1275,7 @@ static const struct file_operations raw6_seq_fops = {
         .release =      seq_release_net,
 };
 
-static int raw6_init_net(struct net *net)
+static int __net_init raw6_init_net(struct net *net)
 {
         if (!proc_net_fops_create(net, "raw6", S_IRUGO, &raw6_seq_fops))
                 return -ENOMEM;
@@ -1283,7 +1283,7 @@ static int raw6_init_net(struct net *net)
         return 0;
 }
 
-static void raw6_exit_net(struct net *net)
+static void __net_exit raw6_exit_net(struct net *net)
 {
         proc_net_remove(net, "raw6");
 }
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 15bb122e1ce4..d93812d09c13 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -672,7 +672,7 @@ static struct ctl_table ip6_frags_ctl_table[] = {
         { }
 };
 
-static int ip6_frags_ns_sysctl_register(struct net *net)
+static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
 {
         struct ctl_table *table;
         struct ctl_table_header *hdr;
@@ -702,7 +702,7 @@ err_alloc:
         return -ENOMEM;
 }
 
-static void ip6_frags_ns_sysctl_unregister(struct net *net)
+static void __net_exit ip6_frags_ns_sysctl_unregister(struct net *net)
 {
         struct ctl_table *table;
 
@@ -745,7 +745,7 @@ static inline void ip6_frags_sysctl_unregister(void)
 }
 #endif
 
-static int ipv6_frags_init_net(struct net *net)
+static int __net_init ipv6_frags_init_net(struct net *net)
 {
         net->ipv6.frags.high_thresh = IPV6_FRAG_HIGH_THRESH;
         net->ipv6.frags.low_thresh = IPV6_FRAG_LOW_THRESH;
@@ -756,7 +756,7 @@ static int ipv6_frags_init_net(struct net *net)
         return ip6_frags_ns_sysctl_register(net);
 }
 
-static void ipv6_frags_exit_net(struct net *net)
+static void __net_exit ipv6_frags_exit_net(struct net *net)
 {
         ip6_frags_ns_sysctl_unregister(net);
         inet_frags_exit_net(&net->ipv6.frags, &ip6_frags);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c2bd74c5f8d9..8500156f2637 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2612,7 +2612,7 @@ ctl_table ipv6_route_table_template[] = {
         { }
 };
 
-struct ctl_table *ipv6_route_sysctl_init(struct net *net)
+struct ctl_table * __net_init ipv6_route_sysctl_init(struct net *net)
 {
         struct ctl_table *table;
 
@@ -2637,7 +2637,7 @@ struct ctl_table *ipv6_route_sysctl_init(struct net *net)
 }
 #endif
 
-static int ip6_route_net_init(struct net *net)
+static int __net_init ip6_route_net_init(struct net *net)
 {
         int ret = -ENOMEM;
 
@@ -2702,7 +2702,7 @@ out_ip6_dst_ops:
         goto out;
 }
 
-static void ip6_route_net_exit(struct net *net)
+static void __net_exit ip6_route_net_exit(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
         proc_net_remove(net, "ipv6_route");
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 976e68244b99..10207cc8cc0e 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -62,7 +62,6 @@
 #define HASH_SIZE  16
 #define HASH(addr) (((__force u32)addr^((__force u32)addr>>4))&0xF)
 
-static void ipip6_fb_tunnel_init(struct net_device *dev);
 static void ipip6_tunnel_init(struct net_device *dev);
 static void ipip6_tunnel_setup(struct net_device *dev);
 
@@ -1120,7 +1119,7 @@ static void ipip6_tunnel_init(struct net_device *dev)
         ipip6_tunnel_bind_dev(dev);
 }
 
-static void ipip6_fb_tunnel_init(struct net_device *dev)
+static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
 {
         struct ip_tunnel *tunnel = netdev_priv(dev);
         struct iphdr *iph = &tunnel->parms.iph;
@@ -1145,7 +1144,7 @@ static struct xfrm_tunnel sit_handler = {
         .priority       =       1,
 };
 
-static void sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
+static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
 {
         int prio;
 
@@ -1162,7 +1161,7 @@ static void sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
         }
 }
 
-static int sit_init_net(struct net *net)
+static int __net_init sit_init_net(struct net *net)
 {
         struct sit_net *sitn = net_generic(net, sit_net_id);
         int err;
@@ -1195,7 +1194,7 @@ err_alloc_dev:
         return err;
 }
 
-static void sit_exit_net(struct net *net)
+static void __net_exit sit_exit_net(struct net *net)
 {
         struct sit_net *sitn = net_generic(net, sit_net_id);
         LIST_HEAD(list);
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index c690736885b4..f841d93bf987 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -55,7 +55,7 @@ struct ctl_path net_ipv6_ctl_path[] = {
 };
 EXPORT_SYMBOL_GPL(net_ipv6_ctl_path);
 
-static int ipv6_sysctl_net_init(struct net *net)
+static int __net_init ipv6_sysctl_net_init(struct net *net)
 {
         struct ctl_table *ipv6_table;
         struct ctl_table *ipv6_route_table;
@@ -98,7 +98,7 @@ out_ipv6_table:
         goto out;
 }
 
-static void ipv6_sysctl_net_exit(struct net *net)
+static void __net_exit ipv6_sysctl_net_exit(struct net *net)
 {
         struct ctl_table *ipv6_table;
         struct ctl_table *ipv6_route_table;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index febfd595a40d..6963a6b6763e 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -520,6 +520,13 @@ done:
         return err;
 }
 
+static int tcp_v6_rtx_synack(struct sock *sk, struct request_sock *req,
+                             struct request_values *rvp)
+{
+        TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_RETRANSSEGS);
+        return tcp_v6_send_synack(sk, req, rvp);
+}
+
 static inline void syn_flood_warning(struct sk_buff *skb)
 {
 #ifdef CONFIG_SYN_COOKIES
@@ -876,7 +883,7 @@ static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
 
         if (genhash || memcmp(hash_location, newhash, 16) != 0) {
                 if (net_ratelimit()) {
-                        printk(KERN_INFO "MD5 Hash %s for (%pI6, %u)->(%pI6, %u)\n",
+                        printk(KERN_INFO "MD5 Hash %s for [%pI6c]:%u->[%pI6c]:%u\n",
                                genhash ? "failed" : "mismatch",
                                &ip6h->saddr, ntohs(th->source),
                                &ip6h->daddr, ntohs(th->dest));
@@ -890,10 +897,11 @@ static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
 struct request_sock_ops tcp6_request_sock_ops __read_mostly = {
         .family         =       AF_INET6,
         .obj_size       =       sizeof(struct tcp6_request_sock),
-        .rtx_syn_ack    =       tcp_v6_send_synack,
+        .rtx_syn_ack    =       tcp_v6_rtx_synack,
         .send_ack       =       tcp_v6_reqsk_send_ack,
         .destructor     =       tcp_v6_reqsk_destructor,
-        .send_reset     =       tcp_v6_send_reset
+        .send_reset     =       tcp_v6_send_reset,
+        .syn_ack_timeout =      tcp_syn_ack_timeout,
 };
 
 #ifdef CONFIG_TCP_MD5SIG
@@ -2105,7 +2113,7 @@ static struct tcp_seq_afinfo tcp6_seq_afinfo = {
         },
 };
 
-int tcp6_proc_init(struct net *net)
+int __net_init tcp6_proc_init(struct net *net)
 {
         return tcp_proc_register(net, &tcp6_seq_afinfo);
 }
@@ -2174,18 +2182,18 @@ static struct inet_protosw tcpv6_protosw = {
                                 INET_PROTOSW_ICSK,
 };
 
-static int tcpv6_net_init(struct net *net)
+static int __net_init tcpv6_net_init(struct net *net)
 {
         return inet_ctl_sock_create(&net->ipv6.tcp_sk, PF_INET6,
                                     SOCK_RAW, IPPROTO_TCP, net);
 }
 
-static void tcpv6_net_exit(struct net *net)
+static void __net_exit tcpv6_net_exit(struct net *net)
 {
         inet_ctl_sock_destroy(net->ipv6.tcp_sk);
 }
 
-static void tcpv6_net_exit_batch(struct list_head *net_exit_list)
+static void __net_exit tcpv6_net_exit_batch(struct list_head *net_exit_list)
 {
         inet_twsk_purge(&tcp_hashinfo, &tcp_death_row, AF_INET6);
 }
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 69ebdbe78c47..34efb3589ffa 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1396,7 +1396,7 @@ static struct udp_seq_afinfo udp6_seq_afinfo = {
         },
 };
 
-int udp6_proc_init(struct net *net)
+int __net_init udp6_proc_init(struct net *net)
 {
         return udp_proc_register(net, &udp6_seq_afinfo);
 }
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 6ea6938919e6..5f48fadc27f7 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -104,12 +104,12 @@ static struct udp_seq_afinfo udplite6_seq_afinfo = {
         },
 };
 
-static int udplite6_proc_init_net(struct net *net)
+static int __net_init udplite6_proc_init_net(struct net *net)
 {
         return udp_proc_register(net, &udplite6_seq_afinfo);
 }
 
-static void udplite6_proc_exit_net(struct net *net)
+static void __net_exit udplite6_proc_exit_net(struct net *net)
 {
         udp_proc_unregister(net, &udplite6_seq_afinfo);
 }
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 7254e3f899a7..dbdc696f5fc5 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -24,7 +24,6 @@
 #include <net/mip6.h>
 #endif
 
-static struct dst_ops xfrm6_dst_ops;
 static struct xfrm_policy_afinfo xfrm6_policy_afinfo;
 
 static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos,
@@ -224,8 +223,10 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse)
 
 static inline int xfrm6_garbage_collect(struct dst_ops *ops)
 {
-        xfrm6_policy_afinfo.garbage_collect(&init_net);
-        return (atomic_read(&xfrm6_dst_ops.entries) > xfrm6_dst_ops.gc_thresh*2);
+        struct net *net = container_of(ops, struct net, xfrm.xfrm6_dst_ops);
+
+        xfrm6_policy_afinfo.garbage_collect(net);
+        return (atomic_read(&ops->entries) > ops->gc_thresh * 2);
 }
 
 static void xfrm6_update_pmtu(struct dst_entry *dst, u32 mtu)
@@ -310,7 +311,7 @@ static void xfrm6_policy_fini(void)
 static struct ctl_table xfrm6_policy_table[] = {
         {
                 .procname       = "xfrm6_gc_thresh",
-                .data           = &xfrm6_dst_ops.gc_thresh,
+                .data           = &init_net.xfrm.xfrm6_dst_ops.gc_thresh,
                 .maxlen         = sizeof(int),
                 .mode           = 0644,
                 .proc_handler   = proc_dointvec,
@@ -326,13 +327,6 @@ int __init xfrm6_init(void)
         int ret;
         unsigned int gc_thresh;
 
-        ret = xfrm6_policy_init();
-        if (ret)
-                goto out;
-
-        ret = xfrm6_state_init();
-        if (ret)
-                goto out_policy;
         /*
          * We need a good default value for the xfrm6 gc threshold.
          * In ipv4 we set it to the route hash table size * 8, which
@@ -346,6 +340,15 @@ int __init xfrm6_init(void)
          */
         gc_thresh = FIB6_TABLE_HASHSZ * 8;
         xfrm6_dst_ops.gc_thresh = (gc_thresh < 1024) ? 1024 : gc_thresh;
+
+        ret = xfrm6_policy_init();
+        if (ret)
+                goto out;
+
+        ret = xfrm6_state_init();
+        if (ret)
+                goto out_policy;
+
 #ifdef CONFIG_SYSCTL
         sysctl_hdr = register_net_sysctl_table(&init_net, net_ipv6_ctl_path,
                                                 xfrm6_policy_table);
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 438831d33593..d6f9aeec69f7 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -30,6 +30,25 @@
 #include <linux/ipv6.h>
 #include <linux/icmpv6.h>
 #include <linux/mutex.h>
+#include <net/netns/generic.h>
+
+#define XFRM6_TUNNEL_SPI_BYADDR_HSIZE 256
+#define XFRM6_TUNNEL_SPI_BYSPI_HSIZE 256
+
+#define XFRM6_TUNNEL_SPI_MIN    1
+#define XFRM6_TUNNEL_SPI_MAX    0xffffffff
+
+struct xfrm6_tunnel_net {
+        struct hlist_head spi_byaddr[XFRM6_TUNNEL_SPI_BYADDR_HSIZE];
+        struct hlist_head spi_byspi[XFRM6_TUNNEL_SPI_BYSPI_HSIZE];
+        u32 spi;
+};
+
+static int xfrm6_tunnel_net_id __read_mostly;
+static inline struct xfrm6_tunnel_net *xfrm6_tunnel_pernet(struct net *net)
+{
+        return net_generic(net, xfrm6_tunnel_net_id);
+}
 
 /*
  * xfrm_tunnel_spi things are for allocating unique id ("spi")
@@ -46,19 +65,8 @@ struct xfrm6_tunnel_spi {
 
 static DEFINE_SPINLOCK(xfrm6_tunnel_spi_lock);
 
-static u32 xfrm6_tunnel_spi;
-
-#define XFRM6_TUNNEL_SPI_MIN    1
-#define XFRM6_TUNNEL_SPI_MAX    0xffffffff
-
 static struct kmem_cache *xfrm6_tunnel_spi_kmem __read_mostly;
 
-#define XFRM6_TUNNEL_SPI_BYADDR_HSIZE 256
-#define XFRM6_TUNNEL_SPI_BYSPI_HSIZE 256
-
-static struct hlist_head xfrm6_tunnel_spi_byaddr[XFRM6_TUNNEL_SPI_BYADDR_HSIZE];
-static struct hlist_head xfrm6_tunnel_spi_byspi[XFRM6_TUNNEL_SPI_BYSPI_HSIZE];
-
 static inline unsigned xfrm6_tunnel_spi_hash_byaddr(xfrm_address_t *addr)
 {
         unsigned h;
@@ -77,49 +85,30 @@ static inline unsigned xfrm6_tunnel_spi_hash_byspi(u32 spi)
 }
 
 
-static int xfrm6_tunnel_spi_init(void)
+static int __init xfrm6_tunnel_spi_init(void)
 {
-        int i;
-
-        xfrm6_tunnel_spi = 0;
         xfrm6_tunnel_spi_kmem = kmem_cache_create("xfrm6_tunnel_spi",
                                                   sizeof(struct xfrm6_tunnel_spi),
                                                   0, SLAB_HWCACHE_ALIGN,
                                                   NULL);
         if (!xfrm6_tunnel_spi_kmem)
                 return -ENOMEM;
-
-        for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++)
-                INIT_HLIST_HEAD(&xfrm6_tunnel_spi_byaddr[i]);
-        for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++)
-                INIT_HLIST_HEAD(&xfrm6_tunnel_spi_byspi[i]);
         return 0;
 }
 
 static void xfrm6_tunnel_spi_fini(void)
 {
-        int i;
-
-        for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++) {
-                if (!hlist_empty(&xfrm6_tunnel_spi_byaddr[i]))
-                        return;
-        }
-        for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++) {
-                if (!hlist_empty(&xfrm6_tunnel_spi_byspi[i]))
-                        return;
-        }
-        rcu_barrier();
         kmem_cache_destroy(xfrm6_tunnel_spi_kmem);
-        xfrm6_tunnel_spi_kmem = NULL;
 }
 
-static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
+static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr)
 {
+        struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
         struct xfrm6_tunnel_spi *x6spi;
         struct hlist_node *pos;
 
         hlist_for_each_entry_rcu(x6spi, pos,
-                             &xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
+                             &xfrm6_tn->spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
                              list_byaddr) {
                 if (memcmp(&x6spi->addr, saddr, sizeof(x6spi->addr)) == 0)
                         return x6spi;
@@ -128,13 +117,13 @@ static struct xfrm6_tunnel_spi *__xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
         return NULL;
 }
 
-__be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
+__be32 xfrm6_tunnel_spi_lookup(struct net *net, xfrm_address_t *saddr)
 {
         struct xfrm6_tunnel_spi *x6spi;
         u32 spi;
 
         rcu_read_lock_bh();
-        x6spi = __xfrm6_tunnel_spi_lookup(saddr);
+        x6spi = __xfrm6_tunnel_spi_lookup(net, saddr);
         spi = x6spi ? x6spi->spi : 0;
         rcu_read_unlock_bh();
         return htonl(spi);
@@ -142,14 +131,15 @@ __be32 xfrm6_tunnel_spi_lookup(xfrm_address_t *saddr)
 
 EXPORT_SYMBOL(xfrm6_tunnel_spi_lookup);
 
-static int __xfrm6_tunnel_spi_check(u32 spi)
+static int __xfrm6_tunnel_spi_check(struct net *net, u32 spi)
 {
+        struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
         struct xfrm6_tunnel_spi *x6spi;
         int index = xfrm6_tunnel_spi_hash_byspi(spi);
         struct hlist_node *pos;
 
         hlist_for_each_entry(x6spi, pos,
-                             &xfrm6_tunnel_spi_byspi[index],
+                             &xfrm6_tn->spi_byspi[index],
                              list_byspi) {
                 if (x6spi->spi == spi)
                         return -1;
@@ -157,32 +147,33 @@ static int __xfrm6_tunnel_spi_check(u32 spi)
         return index;
 }
 
-static u32 __xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr)
+static u32 __xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr)
 {
+        struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
         u32 spi;
         struct xfrm6_tunnel_spi *x6spi;
         int index;
 
-        if (xfrm6_tunnel_spi < XFRM6_TUNNEL_SPI_MIN ||
-            xfrm6_tunnel_spi >= XFRM6_TUNNEL_SPI_MAX)
-                xfrm6_tunnel_spi = XFRM6_TUNNEL_SPI_MIN;
+        if (xfrm6_tn->spi < XFRM6_TUNNEL_SPI_MIN ||
+            xfrm6_tn->spi >= XFRM6_TUNNEL_SPI_MAX)
+                xfrm6_tn->spi = XFRM6_TUNNEL_SPI_MIN;
         else
-                xfrm6_tunnel_spi++;
+                xfrm6_tn->spi++;
 
-        for (spi = xfrm6_tunnel_spi; spi <= XFRM6_TUNNEL_SPI_MAX; spi++) {
-                index = __xfrm6_tunnel_spi_check(spi);
+        for (spi = xfrm6_tn->spi; spi <= XFRM6_TUNNEL_SPI_MAX; spi++) {
+                index = __xfrm6_tunnel_spi_check(net, spi);
                 if (index >= 0)
                         goto alloc_spi;
         }
-        for (spi = XFRM6_TUNNEL_SPI_MIN; spi < xfrm6_tunnel_spi; spi++) {
-                index = __xfrm6_tunnel_spi_check(spi);
+        for (spi = XFRM6_TUNNEL_SPI_MIN; spi < xfrm6_tn->spi; spi++) {
+                index = __xfrm6_tunnel_spi_check(net, spi);
                 if (index >= 0)
                         goto alloc_spi;
         }
         spi = 0;
         goto out;
 alloc_spi:
-        xfrm6_tunnel_spi = spi;
+        xfrm6_tn->spi = spi;
         x6spi = kmem_cache_alloc(xfrm6_tunnel_spi_kmem, GFP_ATOMIC);
         if (!x6spi)
                 goto out;
@@ -192,26 +183,26 @@ alloc_spi:
         x6spi->spi = spi;
         atomic_set(&x6spi->refcnt, 1);
 
-        hlist_add_head_rcu(&x6spi->list_byspi, &xfrm6_tunnel_spi_byspi[index]);
+        hlist_add_head_rcu(&x6spi->list_byspi, &xfrm6_tn->spi_byspi[index]);
 
         index = xfrm6_tunnel_spi_hash_byaddr(saddr);
-        hlist_add_head_rcu(&x6spi->list_byaddr, &xfrm6_tunnel_spi_byaddr[index]);
+        hlist_add_head_rcu(&x6spi->list_byaddr, &xfrm6_tn->spi_byaddr[index]);
 out:
         return spi;
 }
 
-__be32 xfrm6_tunnel_alloc_spi(xfrm_address_t *saddr)
+__be32 xfrm6_tunnel_alloc_spi(struct net *net, xfrm_address_t *saddr)
 {
         struct xfrm6_tunnel_spi *x6spi;
         u32 spi;
 
         spin_lock_bh(&xfrm6_tunnel_spi_lock);
-        x6spi = __xfrm6_tunnel_spi_lookup(saddr);
+        x6spi = __xfrm6_tunnel_spi_lookup(net, saddr);
         if (x6spi) {
                 atomic_inc(&x6spi->refcnt);
                 spi = x6spi->spi;
         } else
-                spi = __xfrm6_tunnel_alloc_spi(saddr);
+                spi = __xfrm6_tunnel_alloc_spi(net, saddr);
         spin_unlock_bh(&xfrm6_tunnel_spi_lock);
 
         return htonl(spi);
@@ -225,15 +216,16 @@ static void x6spi_destroy_rcu(struct rcu_head *head)
                         container_of(head, struct xfrm6_tunnel_spi, rcu_head));
 }
 
-void xfrm6_tunnel_free_spi(xfrm_address_t *saddr)
+void xfrm6_tunnel_free_spi(struct net *net, xfrm_address_t *saddr)
 {
+        struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
         struct xfrm6_tunnel_spi *x6spi;
         struct hlist_node *pos, *n;
 
         spin_lock_bh(&xfrm6_tunnel_spi_lock);
 
         hlist_for_each_entry_safe(x6spi, pos, n,
-                                  &xfrm6_tunnel_spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
+                                  &xfrm6_tn->spi_byaddr[xfrm6_tunnel_spi_hash_byaddr(saddr)],
                                   list_byaddr)
         {
                 if (memcmp(&x6spi->addr, saddr, sizeof(x6spi->addr)) == 0) {
@@ -263,10 +255,11 @@ static int xfrm6_tunnel_input(struct xfrm_state *x, struct sk_buff *skb)
 
 static int xfrm6_tunnel_rcv(struct sk_buff *skb)
 {
+        struct net *net = dev_net(skb->dev);
         struct ipv6hdr *iph = ipv6_hdr(skb);
         __be32 spi;
 
-        spi = xfrm6_tunnel_spi_lookup((xfrm_address_t *)&iph->saddr);
+        spi = xfrm6_tunnel_spi_lookup(net, (xfrm_address_t *)&iph->saddr);
         return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi) > 0 ? : 0;
 }
 
@@ -326,7 +319,9 @@ static int xfrm6_tunnel_init_state(struct xfrm_state *x)
 
 static void xfrm6_tunnel_destroy(struct xfrm_state *x)
 {
-        xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr);
+        struct net *net = xs_net(x);
+
+        xfrm6_tunnel_free_spi(net, (xfrm_address_t *)&x->props.saddr);
 }
 
 static const struct xfrm_type xfrm6_tunnel_type = {
@@ -351,18 +346,54 @@ static struct xfrm6_tunnel xfrm46_tunnel_handler = {
         .priority       = 2,
 };
 
+static int __net_init xfrm6_tunnel_net_init(struct net *net)
+{
+        struct xfrm6_tunnel_net *xfrm6_tn = xfrm6_tunnel_pernet(net);
+        unsigned int i;
+
+        for (i = 0; i < XFRM6_TUNNEL_SPI_BYADDR_HSIZE; i++)
+                INIT_HLIST_HEAD(&xfrm6_tn->spi_byaddr[i]);
+        for (i = 0; i < XFRM6_TUNNEL_SPI_BYSPI_HSIZE; i++)
+                INIT_HLIST_HEAD(&xfrm6_tn->spi_byspi[i]);
+        xfrm6_tn->spi = 0;
+
+        return 0;
+}
+
+static void __net_exit xfrm6_tunnel_net_exit(struct net *net)
+{
+}
+
+static struct pernet_operations xfrm6_tunnel_net_ops = {
+        .init   = xfrm6_tunnel_net_init,
+        .exit   = xfrm6_tunnel_net_exit,
+        .id     = &xfrm6_tunnel_net_id,
+        .size   = sizeof(struct xfrm6_tunnel_net),
+};
+
 static int __init xfrm6_tunnel_init(void)
 {
-        if (xfrm_register_type(&xfrm6_tunnel_type, AF_INET6) < 0)
+        int rv;
+
+        rv = xfrm_register_type(&xfrm6_tunnel_type, AF_INET6);
+        if (rv < 0)
                 goto err;
-        if (xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6))
+        rv = xfrm6_tunnel_register(&xfrm6_tunnel_handler, AF_INET6);
+        if (rv < 0)
                 goto unreg;
-        if (xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET))
+        rv = xfrm6_tunnel_register(&xfrm46_tunnel_handler, AF_INET);
+        if (rv < 0)
                 goto dereg6;
-        if (xfrm6_tunnel_spi_init() < 0)
+        rv = xfrm6_tunnel_spi_init();
+        if (rv < 0)
                 goto dereg46;
+        rv = register_pernet_subsys(&xfrm6_tunnel_net_ops);
+        if (rv < 0)
+                goto deregspi;
         return 0;
 
+deregspi:
+        xfrm6_tunnel_spi_fini();
 dereg46:
         xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
 dereg6:
@@ -370,11 +401,12 @@ dereg6:
 unreg:
         xfrm_unregister_type(&xfrm6_tunnel_type, AF_INET6);
 err:
-        return -EAGAIN;
+        return rv;
 }
 
 static void __exit xfrm6_tunnel_fini(void)
 {
+        unregister_pernet_subsys(&xfrm6_tunnel_net_ops);
         xfrm6_tunnel_spi_fini();
         xfrm6_tunnel_deregister(&xfrm46_tunnel_handler, AF_INET);
         xfrm6_tunnel_deregister(&xfrm6_tunnel_handler, AF_INET6);