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

Conflicts:
	drivers/mtd/mtd_blkdevs.c

Merge Grant's device-tree bits so that we can apply the subsequent fixes.

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

29 files changed, 702 insertions, 421 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 324fac3b6c1..ec7a91d9e86 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -243,7 +243,7 @@ static inline bool addrconf_qdisc_ok(const struct net_device *dev)
 /* Check if a route is valid prefix route */
 static inline int addrconf_is_prefix_route(const struct rt6_info *rt)
 {
-	return ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0);
+	return (rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0;
 }
 
 static void addrconf_del_timer(struct inet6_ifaddr *ifp)
@@ -1544,7 +1544,7 @@ static int addrconf_ifid_infiniband(u8 *eui, struct net_device *dev)
 	return 0;
 }
 
-int __ipv6_isatap_ifid(u8 *eui, __be32 addr)
+static int __ipv6_isatap_ifid(u8 *eui, __be32 addr)
 {
 	if (addr == 0)
 		return -1;
@@ -1560,7 +1560,6 @@ int __ipv6_isatap_ifid(u8 *eui, __be32 addr)
 	memcpy(eui + 4, &addr, 4);
 	return 0;
 }
-EXPORT_SYMBOL(__ipv6_isatap_ifid);
 
 static int addrconf_ifid_sit(u8 *eui, struct net_device *dev)
 {
@@ -2964,7 +2963,8 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
 	   start sending router solicitations.
 	 */
 
-	if (ifp->idev->cnf.forwarding == 0 &&
+	if ((ifp->idev->cnf.forwarding == 0 ||
+	     ifp->idev->cnf.forwarding == 2) &&
 	    ifp->idev->cnf.rtr_solicits > 0 &&
 	    (dev->flags&IFF_LOOPBACK) == 0 &&
 	    (ipv6_addr_type(&ifp->addr) & IPV6_ADDR_LINKLOCAL)) {
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 8175f802651..c8993e5a337 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -518,10 +518,9 @@ static int ip6addrlbl_dump(struct sk_buff *skb, struct netlink_callback *cb)
 
 static inline int ip6addrlbl_msgsize(void)
 {
-	return (NLMSG_ALIGN(sizeof(struct ifaddrlblmsg))
+	return NLMSG_ALIGN(sizeof(struct ifaddrlblmsg))
 		+ nla_total_size(16)	/* IFAL_ADDRESS */
-		+ nla_total_size(4)	/* IFAL_LABEL */
-	);
+		+ nla_total_size(4);	/* IFAL_LABEL */
 }
 
 static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 56b9bf2516f..54e8e42f7a8 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -343,7 +343,8 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 			 */
 			v4addr = LOOPBACK4_IPV6;
 			if (!(addr_type & IPV6_ADDR_MULTICAST))	{
-				if (!ipv6_chk_addr(net, &addr->sin6_addr,
+				if (!inet->transparent &&
+				    !ipv6_chk_addr(net, &addr->sin6_addr,
 						   dev, 0)) {
 					err = -EADDRNOTAVAIL;
 					goto out_unlock;
@@ -467,7 +468,7 @@ int inet6_getname(struct socket *sock, struct sockaddr *uaddr,
 	if (ipv6_addr_type(&sin->sin6_addr) & IPV6_ADDR_LINKLOCAL)
 		sin->sin6_scope_id = sk->sk_bound_dev_if;
 	*uaddr_len = sizeof(*sin);
-	return(0);
+	return 0;
 }
 
 EXPORT_SYMBOL(inet6_getname);
@@ -488,7 +489,7 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 	case SIOCADDRT:
 	case SIOCDELRT:
 
-		return(ipv6_route_ioctl(net, cmd, (void __user *)arg));
+		return ipv6_route_ioctl(net, cmd, (void __user *)arg);
 
 	case SIOCSIFADDR:
 		return addrconf_add_ifaddr(net, (void __user *) arg);
@@ -502,7 +503,7 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		return sk->sk_prot->ioctl(sk, cmd, arg);
 	}
 	/*NOTREACHED*/
-	return(0);
+	return 0;
 }
 
 EXPORT_SYMBOL(inet6_ioctl);
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index ef371aa01ac..320bdb877ee 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -577,6 +577,25 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb)
 		u8 *ptr = nh + opt->dst1;
 		put_cmsg(msg, SOL_IPV6, IPV6_2292DSTOPTS, (ptr[1]+1)<<3, ptr);
 	}
+	if (np->rxopt.bits.rxorigdstaddr) {
+		struct sockaddr_in6 sin6;
+		u16 *ports = (u16 *) skb_transport_header(skb);
+
+		if (skb_transport_offset(skb) + 4 <= skb->len) {
+			/* All current transport protocols have the port numbers in the
+			 * first four bytes of the transport header and this function is
+			 * written with this assumption in mind.
+			 */
+
+			sin6.sin6_family = AF_INET6;
+			ipv6_addr_copy(&sin6.sin6_addr, &ipv6_hdr(skb)->daddr);
+			sin6.sin6_port = ports[1];
+			sin6.sin6_flowinfo = 0;
+			sin6.sin6_scope_id = 0;
+
+			put_cmsg(msg, SOL_IPV6, IPV6_ORIGDSTADDR, sizeof(sin6), &sin6);
+		}
+	}
 	return 0;
 }
 
diff --git a/net/ipv6/exthdrs_core.c b/net/ipv6/exthdrs_core.c
index e1caa5d526c..14ed0a955b5 100644
--- a/net/ipv6/exthdrs_core.c
+++ b/net/ipv6/exthdrs_core.c
@@ -13,12 +13,12 @@ int ipv6_ext_hdr(u8 nexthdr)
 	/*
 	 * find out if nexthdr is an extension header or a protocol
 	 */
-	return ( (nexthdr == NEXTHDR_HOP)	||
+	return   (nexthdr == NEXTHDR_HOP)	||
 		 (nexthdr == NEXTHDR_ROUTING)	||
 		 (nexthdr == NEXTHDR_FRAGMENT)	||
 		 (nexthdr == NEXTHDR_AUTH)	||
 		 (nexthdr == NEXTHDR_NONE)	||
-		 (nexthdr == NEXTHDR_DEST) );
+		 (nexthdr == NEXTHDR_DEST);
 }
 
 /*
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index b1108ede18e..d829874d894 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -34,11 +34,10 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
 {
 	struct fib_lookup_arg arg = {
 		.lookup_ptr = lookup,
+		.flags = FIB_LOOKUP_NOREF,
 	};
 
 	fib_rules_lookup(net->ipv6.fib6_rules_ops, fl, flags, &arg);
-	if (arg.rule)
-		fib_rule_put(arg.rule);
 
 	if (arg.result)
 		return arg.result;
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index b6a585909d3..de382114609 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1500,15 +1500,18 @@ static void fib6_gc_timer_cb(unsigned long arg)
 
 static int __net_init fib6_net_init(struct net *net)
 {
+	size_t size = sizeof(struct hlist_head) * FIB6_TABLE_HASHSZ;
+
 	setup_timer(&net->ipv6.ip6_fib_timer, fib6_gc_timer_cb, (unsigned long)net);
 
 	net->ipv6.rt6_stats = kzalloc(sizeof(*net->ipv6.rt6_stats), GFP_KERNEL);
 	if (!net->ipv6.rt6_stats)
 		goto out_timer;
 
-	net->ipv6.fib_table_hash = kcalloc(FIB6_TABLE_HASHSZ,
-					   sizeof(*net->ipv6.fib_table_hash),
-					   GFP_KERNEL);
+	/* Avoid false sharing : Use at least a full cache line */
+	size = max_t(size_t, size, L1_CACHE_BYTES);
+
+	net->ipv6.fib_table_hash = kzalloc(size, GFP_KERNEL);
 	if (!net->ipv6.fib_table_hash)
 		goto out_rt6_stats;
 
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 980912ed7a3..99157b4cd56 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -637,7 +637,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
 	}
 	mtu -= hlen + sizeof(struct frag_hdr);
 
-	if (skb_has_frags(skb)) {
+	if (skb_has_frag_list(skb)) {
 		int first_len = skb_pagelen(skb);
 		struct sk_buff *frag2;
 
@@ -878,8 +878,8 @@ static inline int ip6_rt_check(struct rt6key *rt_key,
 			       struct in6_addr *fl_addr,
 			       struct in6_addr *addr_cache)
 {
-	return ((rt_key->plen != 128 || !ipv6_addr_equal(fl_addr, &rt_key->addr)) &&
-		(addr_cache == NULL || !ipv6_addr_equal(fl_addr, addr_cache)));
+	return (rt_key->plen != 128 || !ipv6_addr_equal(fl_addr, &rt_key->addr)) &&
+		(addr_cache == NULL || !ipv6_addr_equal(fl_addr, addr_cache));
 }
 
 static struct dst_entry *ip6_sk_dst_check(struct sock *sk,
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 0fd027f3f47..c2c0f89397b 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -75,7 +75,7 @@ MODULE_LICENSE("GPL");
 		     (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
 		    (HASH_SIZE - 1))
 
-static void ip6_tnl_dev_init(struct net_device *dev);
+static int ip6_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_setup(struct net_device *dev);
 
 static int ip6_tnl_net_id __read_mostly;
@@ -83,15 +83,42 @@ struct ip6_tnl_net {
 	/* the IPv6 tunnel fallback device */
 	struct net_device *fb_tnl_dev;
 	/* lists for storing tunnels in use */
-	struct ip6_tnl *tnls_r_l[HASH_SIZE];
-	struct ip6_tnl *tnls_wc[1];
-	struct ip6_tnl **tnls[2];
+	struct ip6_tnl __rcu *tnls_r_l[HASH_SIZE];
+	struct ip6_tnl __rcu *tnls_wc[1];
+	struct ip6_tnl __rcu **tnls[2];
 };
 
+/* often modified stats are per cpu, other are shared (netdev->stats) */
+struct pcpu_tstats {
+	unsigned long	rx_packets;
+	unsigned long	rx_bytes;
+	unsigned long	tx_packets;
+	unsigned long	tx_bytes;
+};
+
+static struct net_device_stats *ip6_get_stats(struct net_device *dev)
+{
+	struct pcpu_tstats sum = { 0 };
+	int i;
+
+	for_each_possible_cpu(i) {
+		const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i);
+
+		sum.rx_packets += tstats->rx_packets;
+		sum.rx_bytes   += tstats->rx_bytes;
+		sum.tx_packets += tstats->tx_packets;
+		sum.tx_bytes   += tstats->tx_bytes;
+	}
+	dev->stats.rx_packets = sum.rx_packets;
+	dev->stats.rx_bytes   = sum.rx_bytes;
+	dev->stats.tx_packets = sum.tx_packets;
+	dev->stats.tx_bytes   = sum.tx_bytes;
+	return &dev->stats;
+}
+
 /*
- * Locking : hash tables are protected by RCU and a spinlock
+ * Locking : hash tables are protected by RCU and RTNL
  */
-static DEFINE_SPINLOCK(ip6_tnl_lock);
 
 static inline struct dst_entry *ip6_tnl_dst_check(struct ip6_tnl *t)
 {
@@ -138,8 +165,8 @@ static inline void ip6_tnl_dst_store(struct ip6_tnl *t, struct dst_entry *dst)
 static struct ip6_tnl *
 ip6_tnl_lookup(struct net *net, struct in6_addr *remote, struct in6_addr *local)
 {
-	unsigned h0 = HASH(remote);
-	unsigned h1 = HASH(local);
+	unsigned int h0 = HASH(remote);
+	unsigned int h1 = HASH(local);
 	struct ip6_tnl *t;
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
@@ -167,7 +194,7 @@ ip6_tnl_lookup(struct net *net, struct in6_addr *remote, struct in6_addr *local)
  * Return: head of IPv6 tunnel list
  **/
 
-static struct ip6_tnl **
+static struct ip6_tnl __rcu **
 ip6_tnl_bucket(struct ip6_tnl_net *ip6n, struct ip6_tnl_parm *p)
 {
 	struct in6_addr *remote = &p->raddr;
@@ -190,12 +217,10 @@ ip6_tnl_bucket(struct ip6_tnl_net *ip6n, struct ip6_tnl_parm *p)
 static void
 ip6_tnl_link(struct ip6_tnl_net *ip6n, struct ip6_tnl *t)
 {
-	struct ip6_tnl **tp = ip6_tnl_bucket(ip6n, &t->parms);
+	struct ip6_tnl __rcu **tp = ip6_tnl_bucket(ip6n, &t->parms);
 
-	spin_lock_bh(&ip6_tnl_lock);
-	t->next = *tp;
+	rcu_assign_pointer(t->next , rtnl_dereference(*tp));
 	rcu_assign_pointer(*tp, t);
-	spin_unlock_bh(&ip6_tnl_lock);
 }
 
 /**
@@ -206,18 +231,25 @@ ip6_tnl_link(struct ip6_tnl_net *ip6n, struct ip6_tnl *t)
 static void
 ip6_tnl_unlink(struct ip6_tnl_net *ip6n, struct ip6_tnl *t)
 {
-	struct ip6_tnl **tp;
-
-	for (tp = ip6_tnl_bucket(ip6n, &t->parms); *tp; tp = &(*tp)->next) {
-		if (t == *tp) {
-			spin_lock_bh(&ip6_tnl_lock);
-			*tp = t->next;
-			spin_unlock_bh(&ip6_tnl_lock);
+	struct ip6_tnl __rcu **tp;
+	struct ip6_tnl *iter;
+
+	for (tp = ip6_tnl_bucket(ip6n, &t->parms);
+	     (iter = rtnl_dereference(*tp)) != NULL;
+	     tp = &iter->next) {
+		if (t == iter) {
+			rcu_assign_pointer(*tp, t->next);
 			break;
 		}
 	}
 }
 
+static void ip6_dev_free(struct net_device *dev)
+{
+	free_percpu(dev->tstats);
+	free_netdev(dev);
+}
+
 /**
  * ip6_tnl_create() - create a new tunnel
  *   @p: tunnel parameters
@@ -256,7 +288,9 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
 
 	t = netdev_priv(dev);
 	t->parms = *p;
-	ip6_tnl_dev_init(dev);
+	err = ip6_tnl_dev_init(dev);
+	if (err < 0)
+		goto failed_free;
 
 	if ((err = register_netdevice(dev)) < 0)
 		goto failed_free;
@@ -266,7 +300,7 @@ static struct ip6_tnl *ip6_tnl_create(struct net *net, struct ip6_tnl_parm *p)
 	return t;
 
 failed_free:
-	free_netdev(dev);
+	ip6_dev_free(dev);
 failed:
 	return NULL;
 }
@@ -290,10 +324,13 @@ static struct ip6_tnl *ip6_tnl_locate(struct net *net,
 {
 	struct in6_addr *remote = &p->raddr;
 	struct in6_addr *local = &p->laddr;
+	struct ip6_tnl __rcu **tp;
 	struct ip6_tnl *t;
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
-	for (t = *ip6_tnl_bucket(ip6n, p); t; t = t->next) {
+	for (tp = ip6_tnl_bucket(ip6n, p);
+	     (t = rtnl_dereference(*tp)) != NULL;
+	     tp = &t->next) {
 		if (ipv6_addr_equal(local, &t->parms.laddr) &&
 		    ipv6_addr_equal(remote, &t->parms.raddr))
 			return t;
@@ -318,13 +355,10 @@ ip6_tnl_dev_uninit(struct net_device *dev)
 	struct net *net = dev_net(dev);
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
-	if (dev == ip6n->fb_tnl_dev) {
-		spin_lock_bh(&ip6_tnl_lock);
-		ip6n->tnls_wc[0] = NULL;
-		spin_unlock_bh(&ip6_tnl_lock);
-	} else {
+	if (dev == ip6n->fb_tnl_dev)
+		rcu_assign_pointer(ip6n->tnls_wc[0], NULL);
+	else
 		ip6_tnl_unlink(ip6n, t);
-	}
 	ip6_tnl_dst_reset(t);
 	dev_put(dev);
 }
@@ -702,6 +736,8 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
 
 	if ((t = ip6_tnl_lookup(dev_net(skb->dev), &ipv6h->saddr,
 					&ipv6h->daddr)) != NULL) {
+		struct pcpu_tstats *tstats;
+
 		if (t->parms.proto != ipproto && t->parms.proto != 0) {
 			rcu_read_unlock();
 			goto discard;
@@ -724,10 +760,16 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
 		skb->pkt_type = PACKET_HOST;
 		memset(skb->cb, 0, sizeof(struct inet6_skb_parm));
 
-		skb_tunnel_rx(skb, t->dev);
+		tstats = this_cpu_ptr(t->dev->tstats);
+		tstats->rx_packets++;
+		tstats->rx_bytes += skb->len;
+
+		__skb_tunnel_rx(skb, t->dev);
 
 		dscp_ecn_decapsulate(t, ipv6h, skb);
+
 		netif_rx(skb);
+
 		rcu_read_unlock();
 		return 0;
 	}
@@ -934,8 +976,10 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
 	err = ip6_local_out(skb);
 
 	if (net_xmit_eval(err) == 0) {
-		stats->tx_bytes += pkt_len;
-		stats->tx_packets++;
+		struct pcpu_tstats *tstats = this_cpu_ptr(t->dev->tstats);
+
+		tstats->tx_bytes += pkt_len;
+		tstats->tx_packets++;
 	} else {
 		stats->tx_errors++;
 		stats->tx_aborted_errors++;
@@ -1300,12 +1344,14 @@ ip6_tnl_change_mtu(struct net_device *dev, int new_mtu)
 
 
 static const struct net_device_ops ip6_tnl_netdev_ops = {
-	.ndo_uninit = ip6_tnl_dev_uninit,
+	.ndo_uninit	= ip6_tnl_dev_uninit,
 	.ndo_start_xmit = ip6_tnl_xmit,
-	.ndo_do_ioctl = ip6_tnl_ioctl,
+	.ndo_do_ioctl	= ip6_tnl_ioctl,
 	.ndo_change_mtu = ip6_tnl_change_mtu,
+	.ndo_get_stats	= ip6_get_stats,
 };
 
+
 /**
  * ip6_tnl_dev_setup - setup virtual tunnel device
  *   @dev: virtual device associated with tunnel
@@ -1317,7 +1363,7 @@ static const struct net_device_ops ip6_tnl_netdev_ops = {
 static void ip6_tnl_dev_setup(struct net_device *dev)
 {
 	dev->netdev_ops = &ip6_tnl_netdev_ops;
-	dev->destructor = free_netdev;
+	dev->destructor = ip6_dev_free;
 
 	dev->type = ARPHRD_TUNNEL6;
 	dev->hard_header_len = LL_MAX_HEADER + sizeof (struct ipv6hdr);
@@ -1333,12 +1379,17 @@ static void ip6_tnl_dev_setup(struct net_device *dev)
  *   @dev: virtual device associated with tunnel
  **/
 
-static inline void
+static inline int
 ip6_tnl_dev_init_gen(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
+
 	t->dev = dev;
 	strcpy(t->parms.name, dev->name);
+	dev->tstats = alloc_percpu(struct pcpu_tstats);
+	if (!dev->tstats)
+		return -ENOMEM;
+	return 0;
 }
 
 /**
@@ -1346,11 +1397,15 @@ ip6_tnl_dev_init_gen(struct net_device *dev)
  *   @dev: virtual device associated with tunnel
  **/
 
-static void ip6_tnl_dev_init(struct net_device *dev)
+static int ip6_tnl_dev_init(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
-	ip6_tnl_dev_init_gen(dev);
+	int err = ip6_tnl_dev_init_gen(dev);
+
+	if (err)
+		return err;
 	ip6_tnl_link_config(t);
+	return 0;
 }
 
 /**
@@ -1360,25 +1415,29 @@ static void ip6_tnl_dev_init(struct net_device *dev)
  * Return: 0
  **/
 
-static void __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
+static int __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
 	struct net *net = dev_net(dev);
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
+	int err = ip6_tnl_dev_init_gen(dev);
+
+	if (err)
+		return err;
 
-	ip6_tnl_dev_init_gen(dev);
 	t->parms.proto = IPPROTO_IPV6;
 	dev_hold(dev);
-	ip6n->tnls_wc[0] = t;
+	rcu_assign_pointer(ip6n->tnls_wc[0], t);
+	return 0;
 }
 
-static struct xfrm6_tunnel ip4ip6_handler = {
+static struct xfrm6_tunnel ip4ip6_handler __read_mostly = {
 	.handler	= ip4ip6_rcv,
 	.err_handler	= ip4ip6_err,
 	.priority	=	1,
 };
 
-static struct xfrm6_tunnel ip6ip6_handler = {
+static struct xfrm6_tunnel ip6ip6_handler __read_mostly = {
 	.handler	= ip6ip6_rcv,
 	.err_handler	= ip6ip6_err,
 	.priority	=	1,
@@ -1391,14 +1450,14 @@ static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 	LIST_HEAD(list);
 
 	for (h = 0; h < HASH_SIZE; h++) {
-		t = ip6n->tnls_r_l[h];
+		t = rtnl_dereference(ip6n->tnls_r_l[h]);
 		while (t != NULL) {
 			unregister_netdevice_queue(t->dev, &list);
-			t = t->next;
+			t = rtnl_dereference(t->next);
 		}
 	}
 
-	t = ip6n->tnls_wc[0];
+	t = rtnl_dereference(ip6n->tnls_wc[0]);
 	unregister_netdevice_queue(t->dev, &list);
 	unregister_netdevice_many(&list);
 }
@@ -1419,7 +1478,9 @@ static int __net_init ip6_tnl_init_net(struct net *net)
 		goto err_alloc_dev;
 	dev_net_set(ip6n->fb_tnl_dev, net);
 
-	ip6_fb_tnl_dev_init(ip6n->fb_tnl_dev);
+	err = ip6_fb_tnl_dev_init(ip6n->fb_tnl_dev);
+	if (err < 0)
+		goto err_register;
 
 	err = register_netdev(ip6n->fb_tnl_dev);
 	if (err < 0)
@@ -1427,7 +1488,7 @@ static int __net_init ip6_tnl_init_net(struct net *net)
 	return 0;
 
 err_register:
-	free_netdev(ip6n->fb_tnl_dev);
+	ip6_dev_free(ip6n->fb_tnl_dev);
 err_alloc_dev:
 	return err;
 }
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 66078dad7fe..6f32ffce702 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -667,6 +667,7 @@ static int pim6_rcv(struct sk_buff *skb)
 	skb_tunnel_rx(skb, reg_dev);
 
 	netif_rx(skb);
+
 	dev_put(reg_dev);
 	return 0;
  drop:
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index a7f66bc8f0b..0553867a317 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -342,6 +342,21 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
 		retv = 0;
 		break;
 
+	case IPV6_TRANSPARENT:
+		if (optlen < sizeof(int))
+			goto e_inval;
+		/* we don't have a separate transparent bit for IPV6 we use the one in the IPv4 socket */
+		inet_sk(sk)->transparent = valbool;
+		retv = 0;
+		break;
+
+	case IPV6_RECVORIGDSTADDR:
+		if (optlen < sizeof(int))
+			goto e_inval;
+		np->rxopt.bits.rxorigdstaddr = valbool;
+		retv = 0;
+		break;
+
 	case IPV6_HOPOPTS:
 	case IPV6_RTHDRDSTOPTS:
 	case IPV6_RTHDR:
@@ -1104,6 +1119,14 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 		break;
 	}
 
+	case IPV6_TRANSPARENT:
+		val = inet_sk(sk)->transparent;
+		break;
+
+	case IPV6_RECVORIGDSTADDR:
+		val = np->rxopt.bits.rxorigdstaddr;
+		break;
+
 	case IPV6_UNICAST_HOPS:
 	case IPV6_MULTICAST_HOPS:
 	{
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 58841c4ae94..998d6d27e7c 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -91,7 +91,9 @@
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv6.h>
 
-static u32 ndisc_hash(const void *pkey, const struct net_device *dev);
+static u32 ndisc_hash(const void *pkey,
+		      const struct net_device *dev,
+		      __u32 rnd);
 static int ndisc_constructor(struct neighbour *neigh);
 static void ndisc_solicit(struct neighbour *neigh, struct sk_buff *skb);
 static void ndisc_error_report(struct neighbour *neigh, struct sk_buff *skb);
@@ -228,12 +230,12 @@ static struct nd_opt_hdr *ndisc_next_option(struct nd_opt_hdr *cur,
 	do {
 		cur = ((void *)cur) + (cur->nd_opt_len << 3);
 	} while(cur < end && cur->nd_opt_type != type);
-	return (cur <= end && cur->nd_opt_type == type ? cur : NULL);
+	return cur <= end && cur->nd_opt_type == type ? cur : NULL;
 }
 
 static inline int ndisc_is_useropt(struct nd_opt_hdr *opt)
 {
-	return (opt->nd_opt_type == ND_OPT_RDNSS);
+	return opt->nd_opt_type == ND_OPT_RDNSS;
 }
 
 static struct nd_opt_hdr *ndisc_next_useropt(struct nd_opt_hdr *cur,
@@ -244,7 +246,7 @@ static struct nd_opt_hdr *ndisc_next_useropt(struct nd_opt_hdr *cur,
 	do {
 		cur = ((void *)cur) + (cur->nd_opt_len << 3);
 	} while(cur < end && !ndisc_is_useropt(cur));
-	return (cur <= end && ndisc_is_useropt(cur) ? cur : NULL);
+	return cur <= end && ndisc_is_useropt(cur) ? cur : NULL;
 }
 
 static struct ndisc_options *ndisc_parse_options(u8 *opt, int opt_len,
@@ -319,7 +321,7 @@ static inline u8 *ndisc_opt_addr_data(struct nd_opt_hdr *p,
 	int prepad = ndisc_addr_option_pad(dev->type);
 	if (lladdrlen != NDISC_OPT_SPACE(dev->addr_len + prepad))
 		return NULL;
-	return (lladdr + prepad);
+	return lladdr + prepad;
 }
 
 int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int dir)
@@ -350,7 +352,9 @@ int ndisc_mc_map(struct in6_addr *addr, char *buf, struct net_device *dev, int d
 
 EXPORT_SYMBOL(ndisc_mc_map);
 
-static u32 ndisc_hash(const void *pkey, const struct net_device *dev)
+static u32 ndisc_hash(const void *pkey,
+		      const struct net_device *dev,
+		      __u32 hash_rnd)
 {
 	const u32 *p32 = pkey;
 	u32 addr_hash, i;
@@ -359,7 +363,7 @@ static u32 ndisc_hash(const void *pkey, const struct net_device *dev)
 	for (i = 0; i < (sizeof(struct in6_addr) / sizeof(u32)); i++)
 		addr_hash ^= *p32++;
 
-	return jhash_2words(addr_hash, dev->ifindex, nd_tbl.hash_rnd);
+	return jhash_2words(addr_hash, dev->ifindex, hash_rnd);
 }
 
 static int ndisc_constructor(struct neighbour *neigh)
@@ -1105,6 +1109,18 @@ errout:
 	rtnl_set_sk_err(net, RTNLGRP_ND_USEROPT, err);
 }
 
+static inline int accept_ra(struct inet6_dev *in6_dev)
+{
+	/*
+	 * If forwarding is enabled, RA are not accepted unless the special
+	 * hybrid mode (accept_ra=2) is enabled.
+	 */
+	if (in6_dev->cnf.forwarding && in6_dev->cnf.accept_ra < 2)
+		return 0;
+
+	return in6_dev->cnf.accept_ra;
+}
+
 static void ndisc_router_discovery(struct sk_buff *skb)
 {
 	struct ra_msg *ra_msg = (struct ra_msg *)skb_transport_header(skb);
@@ -1158,8 +1174,7 @@ static void ndisc_router_discovery(struct sk_buff *skb)
 		return;
 	}
 
-	/* skip route and link configuration on routers */
-	if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra)
+	if (!accept_ra(in6_dev))
 		goto skip_linkparms;
 
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
@@ -1309,8 +1324,7 @@ skip_linkparms:
 			     NEIGH_UPDATE_F_ISROUTER);
 	}
 
-	/* skip route and link configuration on routers */
-	if (in6_dev->cnf.forwarding || !in6_dev->cnf.accept_ra)
+	if (!accept_ra(in6_dev))
 		goto out;
 
 #ifdef CONFIG_IPV6_ROUTE_INFO
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index 29d643bcafa..44d2eeac089 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -132,10 +132,10 @@ config IP6_NF_MATCH_RT
 # The targets
 config IP6_NF_TARGET_HL
 	tristate '"HL" hoplimit target support'
-	depends on NETFILTER_ADVANCED
+	depends on NETFILTER_ADVANCED && IP6_NF_MANGLE
 	select NETFILTER_XT_TARGET_HL
 	---help---
-	This is a backwards-compat option for the user's convenience
+	This is a backwards-compatible option for the user's convenience
 	(e.g. when running oldconfig). It selects
 	CONFIG_NETFILTER_XT_TARGET_HL.
 
diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
index aafbba30c89..3f8e4a3d83c 100644
--- a/net/ipv6/netfilter/Makefile
+++ b/net/ipv6/netfilter/Makefile
@@ -11,10 +11,11 @@ obj-$(CONFIG_IP6_NF_RAW) += ip6table_raw.o
 obj-$(CONFIG_IP6_NF_SECURITY) += ip6table_security.o
 
 # objects for l3 independent conntrack
-nf_conntrack_ipv6-objs  :=  nf_conntrack_l3proto_ipv6.o nf_conntrack_proto_icmpv6.o nf_conntrack_reasm.o
+nf_conntrack_ipv6-objs  :=  nf_conntrack_l3proto_ipv6.o nf_conntrack_proto_icmpv6.o
+nf_defrag_ipv6-objs := nf_defrag_ipv6_hooks.o nf_conntrack_reasm.o
 
 # l3 independent conntrack
-obj-$(CONFIG_NF_CONNTRACK_IPV6) += nf_conntrack_ipv6.o
+obj-$(CONFIG_NF_CONNTRACK_IPV6) += nf_conntrack_ipv6.o nf_defrag_ipv6.o
 
 # matches
 obj-$(CONFIG_IP6_NF_MATCH_AH) += ip6t_ah.o
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 8e754be92c2..51df035897e 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -82,13 +82,13 @@ EXPORT_SYMBOL_GPL(ip6t_alloc_initial_table);
 int
 ip6t_ext_hdr(u8 nexthdr)
 {
-	return ( (nexthdr == IPPROTO_HOPOPTS)   ||
-		 (nexthdr == IPPROTO_ROUTING)   ||
-		 (nexthdr == IPPROTO_FRAGMENT)  ||
-		 (nexthdr == IPPROTO_ESP)       ||
-		 (nexthdr == IPPROTO_AH)        ||
-		 (nexthdr == IPPROTO_NONE)      ||
-		 (nexthdr == IPPROTO_DSTOPTS) );
+	return  (nexthdr == IPPROTO_HOPOPTS)   ||
+		(nexthdr == IPPROTO_ROUTING)   ||
+		(nexthdr == IPPROTO_FRAGMENT)  ||
+		(nexthdr == IPPROTO_ESP)       ||
+		(nexthdr == IPPROTO_AH)        ||
+		(nexthdr == IPPROTO_NONE)      ||
+		(nexthdr == IPPROTO_DSTOPTS);
 }
 
 /* Returns whether matches rule or not. */
@@ -215,7 +215,7 @@ static inline bool unconditional(const struct ip6t_ip6 *ipv6)
 	return memcmp(ipv6, &uncond, sizeof(uncond)) == 0;
 }
 
-static inline const struct ip6t_entry_target *
+static inline const struct xt_entry_target *
 ip6t_get_target_c(const struct ip6t_entry *e)
 {
 	return ip6t_get_target((struct ip6t_entry *)e);
@@ -260,9 +260,9 @@ get_chainname_rulenum(const struct ip6t_entry *s, const struct ip6t_entry *e,
 		      const char *hookname, const char **chainname,
 		      const char **comment, unsigned int *rulenum)
 {
-	const struct ip6t_standard_target *t = (void *)ip6t_get_target_c(s);
+	const struct xt_standard_target *t = (void *)ip6t_get_target_c(s);
 
-	if (strcmp(t->target.u.kernel.target->name, IP6T_ERROR_TARGET) == 0) {
+	if (strcmp(t->target.u.kernel.target->name, XT_ERROR_TARGET) == 0) {
 		/* Head of user chain: ERROR target with chainname */
 		*chainname = t->target.data;
 		(*rulenum) = 0;
@@ -271,7 +271,7 @@ get_chainname_rulenum(const struct ip6t_entry *s, const struct ip6t_entry *e,
 
 		if (s->target_offset == sizeof(struct ip6t_entry) &&
 		    strcmp(t->target.u.kernel.target->name,
-			   IP6T_STANDARD_TARGET) == 0 &&
+			   XT_STANDARD_TARGET) == 0 &&
 		    t->verdict < 0 &&
 		    unconditional(&s->ipv6)) {
 			/* Tail of chains: STANDARD target (return/policy) */
@@ -369,7 +369,7 @@ ip6t_do_table(struct sk_buff *skb,
 	e = get_entry(table_base, private->hook_entry[hook]);
 
 	do {
-		const struct ip6t_entry_target *t;
+		const struct xt_entry_target *t;
 		const struct xt_entry_match *ematch;
 
 		IP_NF_ASSERT(e);
@@ -403,10 +403,10 @@ ip6t_do_table(struct sk_buff *skb,
 		if (!t->u.kernel.target->target) {
 			int v;
 
-			v = ((struct ip6t_standard_target *)t)->verdict;
+			v = ((struct xt_standard_target *)t)->verdict;
 			if (v < 0) {
 				/* Pop from stack? */
-				if (v != IP6T_RETURN) {
+				if (v != XT_RETURN) {
 					verdict = (unsigned)(-v) - 1;
 					break;
 				}
@@ -434,7 +434,7 @@ ip6t_do_table(struct sk_buff *skb,
 		acpar.targinfo = t->data;
 
 		verdict = t->u.kernel.target->target(skb, &acpar);
-		if (verdict == IP6T_CONTINUE)
+		if (verdict == XT_CONTINUE)
 			e = ip6t_next_entry(e);
 		else
 			/* Verdict */
@@ -474,7 +474,7 @@ mark_source_chains(const struct xt_table_info *newinfo,
 		e->counters.pcnt = pos;
 
 		for (;;) {
-			const struct ip6t_standard_target *t
+			const struct xt_standard_target *t
 				= (void *)ip6t_get_target_c(e);
 			int visited = e->comefrom & (1 << hook);
 
@@ -488,13 +488,13 @@ mark_source_chains(const struct xt_table_info *newinfo,
 			/* Unconditional return/END. */
 			if ((e->target_offset == sizeof(struct ip6t_entry) &&
 			     (strcmp(t->target.u.user.name,
-				     IP6T_STANDARD_TARGET) == 0) &&
+				     XT_STANDARD_TARGET) == 0) &&
 			     t->verdict < 0 &&
 			     unconditional(&e->ipv6)) || visited) {
 				unsigned int oldpos, size;
 
 				if ((strcmp(t->target.u.user.name,
-					    IP6T_STANDARD_TARGET) == 0) &&
+					    XT_STANDARD_TARGET) == 0) &&
 				    t->verdict < -NF_MAX_VERDICT - 1) {
 					duprintf("mark_source_chains: bad "
 						"negative verdict (%i)\n",
@@ -537,7 +537,7 @@ mark_source_chains(const struct xt_table_info *newinfo,
 				int newpos = t->verdict;
 
 				if (strcmp(t->target.u.user.name,
-					   IP6T_STANDARD_TARGET) == 0 &&
+					   XT_STANDARD_TARGET) == 0 &&
 				    newpos >= 0) {
 					if (newpos > newinfo->size -
 						sizeof(struct ip6t_entry)) {
@@ -565,7 +565,7 @@ mark_source_chains(const struct xt_table_info *newinfo,
 	return 1;
 }
 
-static void cleanup_match(struct ip6t_entry_match *m, struct net *net)
+static void cleanup_match(struct xt_entry_match *m, struct net *net)
 {
 	struct xt_mtdtor_param par;
 
@@ -581,14 +581,14 @@ static void cleanup_match(struct ip6t_entry_match *m, struct net *net)
 static int
 check_entry(const struct ip6t_entry *e, const char *name)
 {
-	const struct ip6t_entry_target *t;
+	const struct xt_entry_target *t;
 
 	if (!ip6_checkentry(&e->ipv6)) {
 		duprintf("ip_tables: ip check failed %p %s.\n", e, name);
 		return -EINVAL;
 	}
 
-	if (e->target_offset + sizeof(struct ip6t_entry_target) >
+	if (e->target_offset + sizeof(struct xt_entry_target) >
 	    e->next_offset)
 		return -EINVAL;
 
@@ -599,7 +599,7 @@ check_entry(const struct ip6t_entry *e, const char *name)
 	return 0;
 }
 
-static int check_match(struct ip6t_entry_match *m, struct xt_mtchk_param *par)
+static int check_match(struct xt_entry_match *m, struct xt_mtchk_param *par)
 {
 	const struct ip6t_ip6 *ipv6 = par->entryinfo;
 	int ret;
@@ -618,7 +618,7 @@ static int check_match(struct ip6t_entry_match *m, struct xt_mtchk_param *par)
 }
 
 static int
-find_check_match(struct ip6t_entry_match *m, struct xt_mtchk_param *par)
+find_check_match(struct xt_entry_match *m, struct xt_mtchk_param *par)
 {
 	struct xt_match *match;
 	int ret;
@@ -643,7 +643,7 @@ err:
 
 static int check_target(struct ip6t_entry *e, struct net *net, const char *name)
 {
-	struct ip6t_entry_target *t = ip6t_get_target(e);
+	struct xt_entry_target *t = ip6t_get_target(e);
 	struct xt_tgchk_param par = {
 		.net       = net,
 		.table     = name,
@@ -670,7 +670,7 @@ static int
 find_check_entry(struct ip6t_entry *e, struct net *net, const char *name,
 		 unsigned int size)
 {
-	struct ip6t_entry_target *t;
+	struct xt_entry_target *t;
 	struct xt_target *target;
 	int ret;
 	unsigned int j;
@@ -721,7 +721,7 @@ find_check_entry(struct ip6t_entry *e, struct net *net, const char *name,
 
 static bool check_underflow(const struct ip6t_entry *e)
 {
-	const struct ip6t_entry_target *t;
+	const struct xt_entry_target *t;
 	unsigned int verdict;
 
 	if (!unconditional(&e->ipv6))
@@ -729,7 +729,7 @@ static bool check_underflow(const struct ip6t_entry *e)
 	t = ip6t_get_target_c(e);
 	if (strcmp(t->u.user.name, XT_STANDARD_TARGET) != 0)
 		return false;
-	verdict = ((struct ip6t_standard_target *)t)->verdict;
+	verdict = ((struct xt_standard_target *)t)->verdict;
 	verdict = -verdict - 1;
 	return verdict == NF_DROP || verdict == NF_ACCEPT;
 }
@@ -752,7 +752,7 @@ check_entry_size_and_hooks(struct ip6t_entry *e,
 	}
 
 	if (e->next_offset
-	    < sizeof(struct ip6t_entry) + sizeof(struct ip6t_entry_target)) {
+	    < sizeof(struct ip6t_entry) + sizeof(struct xt_entry_target)) {
 		duprintf("checking: element %p size %u\n",
 			 e, e->next_offset);
 		return -EINVAL;
@@ -784,7 +784,7 @@ check_entry_size_and_hooks(struct ip6t_entry *e,
 static void cleanup_entry(struct ip6t_entry *e, struct net *net)
 {
 	struct xt_tgdtor_param par;
-	struct ip6t_entry_target *t;
+	struct xt_entry_target *t;
 	struct xt_entry_match *ematch;
 
 	/* Cleanup all matches */
@@ -985,8 +985,8 @@ copy_entries_to_user(unsigned int total_size,
 	/* ... then go back and fix counters and names */
 	for (off = 0, num = 0; off < total_size; off += e->next_offset, num++){
 		unsigned int i;
-		const struct ip6t_entry_match *m;
-		const struct ip6t_entry_target *t;
+		const struct xt_entry_match *m;
+		const struct xt_entry_target *t;
 
 		e = (struct ip6t_entry *)(loc_cpu_entry + off);
 		if (copy_to_user(userptr + off
@@ -1003,7 +1003,7 @@ copy_entries_to_user(unsigned int total_size,
 			m = (void *)e + i;
 
 			if (copy_to_user(userptr + off + i
-					 + offsetof(struct ip6t_entry_match,
+					 + offsetof(struct xt_entry_match,
 						    u.user.name),
 					 m->u.kernel.match->name,
 					 strlen(m->u.kernel.match->name)+1)
@@ -1015,7 +1015,7 @@ copy_entries_to_user(unsigned int total_size,
 
 		t = ip6t_get_target_c(e);
 		if (copy_to_user(userptr + off + e->target_offset
-				 + offsetof(struct ip6t_entry_target,
+				 + offsetof(struct xt_entry_target,
 					    u.user.name),
 				 t->u.kernel.target->name,
 				 strlen(t->u.kernel.target->name)+1) != 0) {
@@ -1053,7 +1053,7 @@ static int compat_calc_entry(const struct ip6t_entry *e,
 			     const void *base, struct xt_table_info *newinfo)
 {
 	const struct xt_entry_match *ematch;
-	const struct ip6t_entry_target *t;
+	const struct xt_entry_target *t;
 	unsigned int entry_offset;
 	int off, i, ret;
 
@@ -1105,7 +1105,7 @@ static int compat_table_info(const struct xt_table_info *info,
 static int get_info(struct net *net, void __user *user,
                     const int *len, int compat)
 {
-	char name[IP6T_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 	struct xt_table *t;
 	int ret;
 
@@ -1118,7 +1118,7 @@ static int get_info(struct net *net, void __user *user,
 	if (copy_from_user(name, user, sizeof(name)) != 0)
 		return -EFAULT;
 
-	name[IP6T_TABLE_MAXNAMELEN-1] = '\0';
+	name[XT_TABLE_MAXNAMELEN-1] = '\0';
 #ifdef CONFIG_COMPAT
 	if (compat)
 		xt_compat_lock(AF_INET6);
@@ -1415,14 +1415,14 @@ do_add_counters(struct net *net, const void __user *user, unsigned int len,
 
 #ifdef CONFIG_COMPAT
 struct compat_ip6t_replace {
-	char			name[IP6T_TABLE_MAXNAMELEN];
+	char			name[XT_TABLE_MAXNAMELEN];
 	u32			valid_hooks;
 	u32			num_entries;
 	u32			size;
 	u32			hook_entry[NF_INET_NUMHOOKS];
 	u32			underflow[NF_INET_NUMHOOKS];
 	u32			num_counters;
-	compat_uptr_t		counters;	/* struct ip6t_counters * */
+	compat_uptr_t		counters;	/* struct xt_counters * */
 	struct compat_ip6t_entry entries[0];
 };
 
@@ -1431,7 +1431,7 @@ compat_copy_entry_to_user(struct ip6t_entry *e, void __user **dstptr,
 			  unsigned int *size, struct xt_counters *counters,
 			  unsigned int i)
 {
-	struct ip6t_entry_target *t;
+	struct xt_entry_target *t;
 	struct compat_ip6t_entry __user *ce;
 	u_int16_t target_offset, next_offset;
 	compat_uint_t origsize;
@@ -1466,7 +1466,7 @@ compat_copy_entry_to_user(struct ip6t_entry *e, void __user **dstptr,
 }
 
 static int
-compat_find_calc_match(struct ip6t_entry_match *m,
+compat_find_calc_match(struct xt_entry_match *m,
 		       const char *name,
 		       const struct ip6t_ip6 *ipv6,
 		       unsigned int hookmask,
@@ -1488,7 +1488,7 @@ compat_find_calc_match(struct ip6t_entry_match *m,
 
 static void compat_release_entry(struct compat_ip6t_entry *e)
 {
-	struct ip6t_entry_target *t;
+	struct xt_entry_target *t;
 	struct xt_entry_match *ematch;
 
 	/* Cleanup all matches */
@@ -1509,7 +1509,7 @@ check_compat_entry_size_and_hooks(struct compat_ip6t_entry *e,
 				  const char *name)
 {
 	struct xt_entry_match *ematch;
-	struct ip6t_entry_target *t;
+	struct xt_entry_target *t;
 	struct xt_target *target;
 	unsigned int entry_offset;
 	unsigned int j;
@@ -1591,7 +1591,7 @@ compat_copy_entry_from_user(struct compat_ip6t_entry *e, void **dstptr,
 			    unsigned int *size, const char *name,
 			    struct xt_table_info *newinfo, unsigned char *base)
 {
-	struct ip6t_entry_target *t;
+	struct xt_entry_target *t;
 	struct xt_target *target;
 	struct ip6t_entry *de;
 	unsigned int origsize;
@@ -1899,7 +1899,7 @@ compat_do_ip6t_set_ctl(struct sock *sk, int cmd, void __user *user,
 }
 
 struct compat_ip6t_get_entries {
-	char name[IP6T_TABLE_MAXNAMELEN];
+	char name[XT_TABLE_MAXNAMELEN];
 	compat_uint_t size;
 	struct compat_ip6t_entry entrytable[0];
 };
@@ -2054,7 +2054,7 @@ do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 
 	case IP6T_SO_GET_REVISION_MATCH:
 	case IP6T_SO_GET_REVISION_TARGET: {
-		struct ip6t_get_revision rev;
+		struct xt_get_revision rev;
 		int target;
 
 		if (*len != sizeof(rev)) {
@@ -2191,7 +2191,7 @@ static int icmp6_checkentry(const struct xt_mtchk_param *par)
 /* The built-in targets: standard (NULL) and error. */
 static struct xt_target ip6t_builtin_tg[] __read_mostly = {
 	{
-		.name             = IP6T_STANDARD_TARGET,
+		.name             = XT_STANDARD_TARGET,
 		.targetsize       = sizeof(int),
 		.family           = NFPROTO_IPV6,
 #ifdef CONFIG_COMPAT
@@ -2201,9 +2201,9 @@ static struct xt_target ip6t_builtin_tg[] __read_mostly = {
 #endif
 	},
 	{
-		.name             = IP6T_ERROR_TARGET,
+		.name             = XT_ERROR_TARGET,
 		.target           = ip6t_error,
-		.targetsize       = IP6T_FUNCTION_MAXNAMELEN,
+		.targetsize       = XT_FUNCTION_MAXNAMELEN,
 		.family           = NFPROTO_IPV6,
 	},
 };
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 0a07ae7b933..09c88891a75 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -23,6 +23,7 @@
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter_ipv6/ip6_tables.h>
 #include <net/netfilter/nf_log.h>
+#include <net/netfilter/xt_log.h>
 
 MODULE_AUTHOR("Jan Rekorajski <baggins@pld.org.pl>");
 MODULE_DESCRIPTION("Xtables: IPv6 packet logging to syslog");
@@ -32,11 +33,9 @@ struct in_device;
 #include <net/route.h>
 #include <linux/netfilter_ipv6/ip6t_LOG.h>
 
-/* Use lock to serialize, so printks don't overlap */
-static DEFINE_SPINLOCK(log_lock);
-
 /* One level of recursion won't kill us */
-static void dump_packet(const struct nf_loginfo *info,
+static void dump_packet(struct sbuff *m,
+			const struct nf_loginfo *info,
 			const struct sk_buff *skb, unsigned int ip6hoff,
 			int recurse)
 {
@@ -55,15 +54,15 @@ static void dump_packet(const struct nf_loginfo *info,
 
 	ih = skb_header_pointer(skb, ip6hoff, sizeof(_ip6h), &_ip6h);
 	if (ih == NULL) {
-		printk("TRUNCATED");
+		sb_add(m, "TRUNCATED");
 		return;
 	}
 
 	/* Max length: 88 "SRC=0000.0000.0000.0000.0000.0000.0000.0000 DST=0000.0000.0000.0000.0000.0000.0000.0000 " */
-	printk("SRC=%pI6 DST=%pI6 ", &ih->saddr, &ih->daddr);
+	sb_add(m, "SRC=%pI6 DST=%pI6 ", &ih->saddr, &ih->daddr);
 
 	/* Max length: 44 "LEN=65535 TC=255 HOPLIMIT=255 FLOWLBL=FFFFF " */
-	printk("LEN=%Zu TC=%u HOPLIMIT=%u FLOWLBL=%u ",
+	sb_add(m, "LEN=%Zu TC=%u HOPLIMIT=%u FLOWLBL=%u ",
 	       ntohs(ih->payload_len) + sizeof(struct ipv6hdr),
 	       (ntohl(*(__be32 *)ih) & 0x0ff00000) >> 20,
 	       ih->hop_limit,
@@ -78,35 +77,35 @@ static void dump_packet(const struct nf_loginfo *info,
 
 		hp = skb_header_pointer(skb, ptr, sizeof(_hdr), &_hdr);
 		if (hp == NULL) {
-			printk("TRUNCATED");
+			sb_add(m, "TRUNCATED");
 			return;
 		}
 
 		/* Max length: 48 "OPT (...) " */
 		if (logflags & IP6T_LOG_IPOPT)
-			printk("OPT ( ");
+			sb_add(m, "OPT ( ");
 
 		switch (currenthdr) {
 		case IPPROTO_FRAGMENT: {
 			struct frag_hdr _fhdr;
 			const struct frag_hdr *fh;
 
-			printk("FRAG:");
+			sb_add(m, "FRAG:");
 			fh = skb_header_pointer(skb, ptr, sizeof(_fhdr),
 						&_fhdr);
 			if (fh == NULL) {
-				printk("TRUNCATED ");
+				sb_add(m, "TRUNCATED ");
 				return;
 			}
 
 			/* Max length: 6 "65535 " */
-			printk("%u ", ntohs(fh->frag_off) & 0xFFF8);
+			sb_add(m, "%u ", ntohs(fh->frag_off) & 0xFFF8);
 
 			/* Max length: 11 "INCOMPLETE " */
 			if (fh->frag_off & htons(0x0001))
-				printk("INCOMPLETE ");
+				sb_add(m, "INCOMPLETE ");
 
-			printk("ID:%08x ", ntohl(fh->identification));
+			sb_add(m, "ID:%08x ", ntohl(fh->identification));
 
 			if (ntohs(fh->frag_off) & 0xFFF8)
 				fragment = 1;
@@ -120,7 +119,7 @@ static void dump_packet(const struct nf_loginfo *info,
 		case IPPROTO_HOPOPTS:
 			if (fragment) {
 				if (logflags & IP6T_LOG_IPOPT)
-					printk(")");
+					sb_add(m, ")");
 				return;
 			}
 			hdrlen = ipv6_optlen(hp);
@@ -132,10 +131,10 @@ static void dump_packet(const struct nf_loginfo *info,
 				const struct ip_auth_hdr *ah;
 
 				/* Max length: 3 "AH " */
-				printk("AH ");
+				sb_add(m, "AH ");
 
 				if (fragment) {
-					printk(")");
+					sb_add(m, ")");
 					return;
 				}
 
@@ -146,13 +145,13 @@ static void dump_packet(const struct nf_loginfo *info,
 					 * Max length: 26 "INCOMPLETE [65535
 					 *  bytes] )"
 					 */
-					printk("INCOMPLETE [%u bytes] )",
+					sb_add(m, "INCOMPLETE [%u bytes] )",
 					       skb->len - ptr);
 					return;
 				}
 
 				/* Length: 15 "SPI=0xF1234567 */
-				printk("SPI=0x%x ", ntohl(ah->spi));
+				sb_add(m, "SPI=0x%x ", ntohl(ah->spi));
 
 			}
 
@@ -164,10 +163,10 @@ static void dump_packet(const struct nf_loginfo *info,
 				const struct ip_esp_hdr *eh;
 
 				/* Max length: 4 "ESP " */
-				printk("ESP ");
+				sb_add(m, "ESP ");
 
 				if (fragment) {
-					printk(")");
+					sb_add(m, ")");
 					return;
 				}
 
@@ -177,23 +176,23 @@ static void dump_packet(const struct nf_loginfo *info,
 				eh = skb_header_pointer(skb, ptr, sizeof(_esph),
 							&_esph);
 				if (eh == NULL) {
-					printk("INCOMPLETE [%u bytes] )",
+					sb_add(m, "INCOMPLETE [%u bytes] )",
 					       skb->len - ptr);
 					return;
 				}
 
 				/* Length: 16 "SPI=0xF1234567 )" */
-				printk("SPI=0x%x )", ntohl(eh->spi) );
+				sb_add(m, "SPI=0x%x )", ntohl(eh->spi) );
 
 			}
 			return;
 		default:
 			/* Max length: 20 "Unknown Ext Hdr 255" */
-			printk("Unknown Ext Hdr %u", currenthdr);
+			sb_add(m, "Unknown Ext Hdr %u", currenthdr);
 			return;
 		}
 		if (logflags & IP6T_LOG_IPOPT)
-			printk(") ");
+			sb_add(m, ") ");
 
 		currenthdr = hp->nexthdr;
 		ptr += hdrlen;
@@ -205,7 +204,7 @@ static void dump_packet(const struct nf_loginfo *info,
 		const struct tcphdr *th;
 
 		/* Max length: 10 "PROTO=TCP " */
-		printk("PROTO=TCP ");
+		sb_add(m, "PROTO=TCP ");
 
 		if (fragment)
 			break;
@@ -213,40 +212,40 @@ static void dump_packet(const struct nf_loginfo *info,
 		/* Max length: 25 "INCOMPLETE [65535 bytes] " */
 		th = skb_header_pointer(skb, ptr, sizeof(_tcph), &_tcph);
 		if (th == NULL) {
-			printk("INCOMPLETE [%u bytes] ", skb->len - ptr);
+			sb_add(m, "INCOMPLETE [%u bytes] ", skb->len - ptr);
 			return;
 		}
 
 		/* Max length: 20 "SPT=65535 DPT=65535 " */
-		printk("SPT=%u DPT=%u ",
+		sb_add(m, "SPT=%u DPT=%u ",
 		       ntohs(th->source), ntohs(th->dest));
 		/* Max length: 30 "SEQ=4294967295 ACK=4294967295 " */
 		if (logflags & IP6T_LOG_TCPSEQ)
-			printk("SEQ=%u ACK=%u ",
+			sb_add(m, "SEQ=%u ACK=%u ",
 			       ntohl(th->seq), ntohl(th->ack_seq));
 		/* Max length: 13 "WINDOW=65535 " */
-		printk("WINDOW=%u ", ntohs(th->window));
+		sb_add(m, "WINDOW=%u ", ntohs(th->window));
 		/* Max length: 9 "RES=0x3C " */
-		printk("RES=0x%02x ", (u_int8_t)(ntohl(tcp_flag_word(th) & TCP_RESERVED_BITS) >> 22));
+		sb_add(m, "RES=0x%02x ", (u_int8_t)(ntohl(tcp_flag_word(th) & TCP_RESERVED_BITS) >> 22));
 		/* Max length: 32 "CWR ECE URG ACK PSH RST SYN FIN " */
 		if (th->cwr)
-			printk("CWR ");
+			sb_add(m, "CWR ");
 		if (th->ece)
-			printk("ECE ");
+			sb_add(m, "ECE ");
 		if (th->urg)
-			printk("URG ");
+			sb_add(m, "URG ");
 		if (th->ack)
-			printk("ACK ");
+			sb_add(m, "ACK ");
 		if (th->psh)
-			printk("PSH ");
+			sb_add(m, "PSH ");
 		if (th->rst)
-			printk("RST ");
+			sb_add(m, "RST ");
 		if (th->syn)
-			printk("SYN ");
+			sb_add(m, "SYN ");
 		if (th->fin)
-			printk("FIN ");
+			sb_add(m, "FIN ");
 		/* Max length: 11 "URGP=65535 " */
-		printk("URGP=%u ", ntohs(th->urg_ptr));
+		sb_add(m, "URGP=%u ", ntohs(th->urg_ptr));
 
 		if ((logflags & IP6T_LOG_TCPOPT) &&
 		    th->doff * 4 > sizeof(struct tcphdr)) {
@@ -260,15 +259,15 @@ static void dump_packet(const struct nf_loginfo *info,
 						ptr + sizeof(struct tcphdr),
 						optsize, _opt);
 			if (op == NULL) {
-				printk("OPT (TRUNCATED)");
+				sb_add(m, "OPT (TRUNCATED)");
 				return;
 			}
 
 			/* Max length: 127 "OPT (" 15*4*2chars ") " */
-			printk("OPT (");
+			sb_add(m, "OPT (");
 			for (i =0; i < optsize; i++)
-				printk("%02X", op[i]);
-			printk(") ");
+				sb_add(m, "%02X", op[i]);
+			sb_add(m, ") ");
 		}
 		break;
 	}
@@ -279,9 +278,9 @@ static void dump_packet(const struct nf_loginfo *info,
 
 		if (currenthdr == IPPROTO_UDP)
 			/* Max length: 10 "PROTO=UDP "     */
-			printk("PROTO=UDP " );
+			sb_add(m, "PROTO=UDP " );
 		else	/* Max length: 14 "PROTO=UDPLITE " */
-			printk("PROTO=UDPLITE ");
+			sb_add(m, "PROTO=UDPLITE ");
 
 		if (fragment)
 			break;
@@ -289,12 +288,12 @@ static void dump_packet(const struct nf_loginfo *info,
 		/* Max length: 25 "INCOMPLETE [65535 bytes] " */
 		uh = skb_header_pointer(skb, ptr, sizeof(_udph), &_udph);
 		if (uh == NULL) {
-			printk("INCOMPLETE [%u bytes] ", skb->len - ptr);
+			sb_add(m, "INCOMPLETE [%u bytes] ", skb->len - ptr);
 			return;
 		}
 
 		/* Max length: 20 "SPT=65535 DPT=65535 " */
-		printk("SPT=%u DPT=%u LEN=%u ",
+		sb_add(m, "SPT=%u DPT=%u LEN=%u ",
 		       ntohs(uh->source), ntohs(uh->dest),
 		       ntohs(uh->len));
 		break;
@@ -304,7 +303,7 @@ static void dump_packet(const struct nf_loginfo *info,
 		const struct icmp6hdr *ic;
 
 		/* Max length: 13 "PROTO=ICMPv6 " */
-		printk("PROTO=ICMPv6 ");
+		sb_add(m, "PROTO=ICMPv6 ");
 
 		if (fragment)
 			break;
@@ -312,18 +311,18 @@ static void dump_packet(const struct nf_loginfo *info,
 		/* Max length: 25 "INCOMPLETE [65535 bytes] " */
 		ic = skb_header_pointer(skb, ptr, sizeof(_icmp6h), &_icmp6h);
 		if (ic == NULL) {
-			printk("INCOMPLETE [%u bytes] ", skb->len - ptr);
+			sb_add(m, "INCOMPLETE [%u bytes] ", skb->len - ptr);
 			return;
 		}
 
 		/* Max length: 18 "TYPE=255 CODE=255 " */
-		printk("TYPE=%u CODE=%u ", ic->icmp6_type, ic->icmp6_code);
+		sb_add(m, "TYPE=%u CODE=%u ", ic->icmp6_type, ic->icmp6_code);
 
 		switch (ic->icmp6_type) {
 		case ICMPV6_ECHO_REQUEST:
 		case ICMPV6_ECHO_REPLY:
 			/* Max length: 19 "ID=65535 SEQ=65535 " */
-			printk("ID=%u SEQ=%u ",
+			sb_add(m, "ID=%u SEQ=%u ",
 				ntohs(ic->icmp6_identifier),
 				ntohs(ic->icmp6_sequence));
 			break;
@@ -334,35 +333,35 @@ static void dump_packet(const struct nf_loginfo *info,
 
 		case ICMPV6_PARAMPROB:
 			/* Max length: 17 "POINTER=ffffffff " */
-			printk("POINTER=%08x ", ntohl(ic->icmp6_pointer));
+			sb_add(m, "POINTER=%08x ", ntohl(ic->icmp6_pointer));
 			/* Fall through */
 		case ICMPV6_DEST_UNREACH:
 		case ICMPV6_PKT_TOOBIG:
 		case ICMPV6_TIME_EXCEED:
 			/* Max length: 3+maxlen */
 			if (recurse) {
-				printk("[");
-				dump_packet(info, skb, ptr + sizeof(_icmp6h),
-					    0);
-				printk("] ");
+				sb_add(m, "[");
+				dump_packet(m, info, skb,
+					    ptr + sizeof(_icmp6h), 0);
+				sb_add(m, "] ");
 			}
 
 			/* Max length: 10 "MTU=65535 " */
 			if (ic->icmp6_type == ICMPV6_PKT_TOOBIG)
-				printk("MTU=%u ", ntohl(ic->icmp6_mtu));
+				sb_add(m, "MTU=%u ", ntohl(ic->icmp6_mtu));
 		}
 		break;
 	}
 	/* Max length: 10 "PROTO=255 " */
 	default:
-		printk("PROTO=%u ", currenthdr);
+		sb_add(m, "PROTO=%u ", currenthdr);
 	}
 
 	/* Max length: 15 "UID=4294967295 " */
 	if ((logflags & IP6T_LOG_UID) && recurse && skb->sk) {
 		read_lock_bh(&skb->sk->sk_callback_lock);
 		if (skb->sk->sk_socket && skb->sk->sk_socket->file)
-			printk("UID=%u GID=%u ",
+			sb_add(m, "UID=%u GID=%u ",
 				skb->sk->sk_socket->file->f_cred->fsuid,
 				skb->sk->sk_socket->file->f_cred->fsgid);
 		read_unlock_bh(&skb->sk->sk_callback_lock);
@@ -370,10 +369,11 @@ static void dump_packet(const struct nf_loginfo *info,
 
 	/* Max length: 16 "MARK=0xFFFFFFFF " */
 	if (!recurse && skb->mark)
-		printk("MARK=0x%x ", skb->mark);
+		sb_add(m, "MARK=0x%x ", skb->mark);
 }
 
-static void dump_mac_header(const struct nf_loginfo *info,
+static void dump_mac_header(struct sbuff *m,
+			    const struct nf_loginfo *info,
 			    const struct sk_buff *skb)
 {
 	struct net_device *dev = skb->dev;
@@ -387,7 +387,7 @@ static void dump_mac_header(const struct nf_loginfo *info,
 
 	switch (dev->type) {
 	case ARPHRD_ETHER:
-		printk("MACSRC=%pM MACDST=%pM MACPROTO=%04x ",
+		sb_add(m, "MACSRC=%pM MACDST=%pM MACPROTO=%04x ",
 		       eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
 		       ntohs(eth_hdr(skb)->h_proto));
 		return;
@@ -396,7 +396,7 @@ static void dump_mac_header(const struct nf_loginfo *info,
 	}
 
 fallback:
-	printk("MAC=");
+	sb_add(m, "MAC=");
 	if (dev->hard_header_len &&
 	    skb->mac_header != skb->network_header) {
 		const unsigned char *p = skb_mac_header(skb);
@@ -408,19 +408,19 @@ fallback:
 			p = NULL;
 
 		if (p != NULL) {
-			printk("%02x", *p++);
+			sb_add(m, "%02x", *p++);
 			for (i = 1; i < len; i++)
-				printk(":%02x", p[i]);
+				sb_add(m, ":%02x", p[i]);
 		}
-		printk(" ");
+		sb_add(m, " ");
 
 		if (dev->type == ARPHRD_SIT) {
 			const struct iphdr *iph =
 				(struct iphdr *)skb_mac_header(skb);
-			printk("TUNNEL=%pI4->%pI4 ", &iph->saddr, &iph->daddr);
+			sb_add(m, "TUNNEL=%pI4->%pI4 ", &iph->saddr, &iph->daddr);
 		}
 	} else
-		printk(" ");
+		sb_add(m, " ");
 }
 
 static struct nf_loginfo default_loginfo = {
@@ -442,22 +442,23 @@ ip6t_log_packet(u_int8_t pf,
 		const struct nf_loginfo *loginfo,
 		const char *prefix)
 {
+	struct sbuff *m = sb_open();
+
 	if (!loginfo)
 		loginfo = &default_loginfo;
 
-	spin_lock_bh(&log_lock);
-	printk("<%d>%sIN=%s OUT=%s ", loginfo->u.log.level,
-		prefix,
-		in ? in->name : "",
-		out ? out->name : "");
+	sb_add(m, "<%d>%sIN=%s OUT=%s ", loginfo->u.log.level,
+	       prefix,
+	       in ? in->name : "",
+	       out ? out->name : "");
 
 	/* MAC logging for input path only. */
 	if (in && !out)
-		dump_mac_header(loginfo, skb);
+		dump_mac_header(m, loginfo, skb);
+
+	dump_packet(m, loginfo, skb, skb_network_offset(skb), 1);
 
-	dump_packet(loginfo, skb, skb_network_offset(skb), 1);
-	printk("\n");
-	spin_unlock_bh(&log_lock);
+	sb_close(m);
 }
 
 static unsigned int
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index ff43461704b..c8af58b2256 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -16,7 +16,6 @@
 #include <linux/module.h>
 #include <linux/skbuff.h>
 #include <linux/icmp.h>
-#include <linux/sysctl.h>
 #include <net/ipv6.h>
 #include <net/inet_frag.h>
 
@@ -29,6 +28,7 @@
 #include <net/netfilter/nf_conntrack_core.h>
 #include <net/netfilter/nf_conntrack_zones.h>
 #include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
+#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
 #include <net/netfilter/nf_log.h>
 
 static bool ipv6_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
@@ -189,53 +189,6 @@ out:
 	return nf_conntrack_confirm(skb);
 }
 
-static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum,
-						struct sk_buff *skb)
-{
-	u16 zone = NF_CT_DEFAULT_ZONE;
-
-	if (skb->nfct)
-		zone = nf_ct_zone((struct nf_conn *)skb->nfct);
-
-#ifdef CONFIG_BRIDGE_NETFILTER
-	if (skb->nf_bridge &&
-	    skb->nf_bridge->mask & BRNF_NF_BRIDGE_PREROUTING)
-		return IP6_DEFRAG_CONNTRACK_BRIDGE_IN + zone;
-#endif
-	if (hooknum == NF_INET_PRE_ROUTING)
-		return IP6_DEFRAG_CONNTRACK_IN + zone;
-	else
-		return IP6_DEFRAG_CONNTRACK_OUT + zone;
-
-}
-
-static unsigned int ipv6_defrag(unsigned int hooknum,
-				struct sk_buff *skb,
-				const struct net_device *in,
-				const struct net_device *out,
-				int (*okfn)(struct sk_buff *))
-{
-	struct sk_buff *reasm;
-
-	/* Previously seen (loopback)?  */
-	if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct))
-		return NF_ACCEPT;
-
-	reasm = nf_ct_frag6_gather(skb, nf_ct6_defrag_user(hooknum, skb));
-	/* queued */
-	if (reasm == NULL)
-		return NF_STOLEN;
-
-	/* error occured or not fragmented */
-	if (reasm == skb)
-		return NF_ACCEPT;
-
-	nf_ct_frag6_output(hooknum, reasm, (struct net_device *)in,
-			   (struct net_device *)out, okfn);
-
-	return NF_STOLEN;
-}
-
 static unsigned int __ipv6_conntrack_in(struct net *net,
 					unsigned int hooknum,
 					struct sk_buff *skb,
@@ -288,13 +241,6 @@ static unsigned int ipv6_conntrack_local(unsigned int hooknum,
 
 static struct nf_hook_ops ipv6_conntrack_ops[] __read_mostly = {
 	{
-		.hook		= ipv6_defrag,
-		.owner		= THIS_MODULE,
-		.pf		= NFPROTO_IPV6,
-		.hooknum	= NF_INET_PRE_ROUTING,
-		.priority	= NF_IP6_PRI_CONNTRACK_DEFRAG,
-	},
-	{
 		.hook		= ipv6_conntrack_in,
 		.owner		= THIS_MODULE,
 		.pf		= NFPROTO_IPV6,
@@ -309,13 +255,6 @@ static struct nf_hook_ops ipv6_conntrack_ops[] __read_mostly = {
 		.priority	= NF_IP6_PRI_CONNTRACK,
 	},
 	{
-		.hook		= ipv6_defrag,
-		.owner		= THIS_MODULE,
-		.pf		= NFPROTO_IPV6,
-		.hooknum	= NF_INET_LOCAL_OUT,
-		.priority	= NF_IP6_PRI_CONNTRACK_DEFRAG,
-	},
-	{
 		.hook		= ipv6_confirm,
 		.owner		= THIS_MODULE,
 		.pf		= NFPROTO_IPV6,
@@ -387,10 +326,6 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv6 __read_mostly = {
 	.nlattr_to_tuple	= ipv6_nlattr_to_tuple,
 	.nla_policy		= ipv6_nla_policy,
 #endif
-#ifdef CONFIG_SYSCTL
-	.ctl_table_path		= nf_net_netfilter_sysctl_path,
-	.ctl_table		= nf_ct_ipv6_sysctl_table,
-#endif
 	.me			= THIS_MODULE,
 };
 
@@ -403,16 +338,12 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
 	int ret = 0;
 
 	need_conntrack();
+	nf_defrag_ipv6_enable();
 
-	ret = nf_ct_frag6_init();
-	if (ret < 0) {
-		pr_err("nf_conntrack_ipv6: can't initialize frag6.\n");
-		return ret;
-	}
 	ret = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_tcp6);
 	if (ret < 0) {
 		pr_err("nf_conntrack_ipv6: can't register tcp.\n");
-		goto cleanup_frag6;
+		return ret;
 	}
 
 	ret = nf_conntrack_l4proto_register(&nf_conntrack_l4proto_udp6);
@@ -450,8 +381,6 @@ static int __init nf_conntrack_l3proto_ipv6_init(void)
 	nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_udp6);
  cleanup_tcp:
 	nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_tcp6);
- cleanup_frag6:
-	nf_ct_frag6_cleanup();
 	return ret;
 }
 
@@ -463,7 +392,6 @@ static void __exit nf_conntrack_l3proto_ipv6_fini(void)
 	nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_icmpv6);
 	nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_udp6);
 	nf_conntrack_l4proto_unregister(&nf_conntrack_l4proto_tcp6);
-	nf_ct_frag6_cleanup();
 }
 
 module_init(nf_conntrack_l3proto_ipv6_init);
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 578f3c1a16d..489d71b844a 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -73,7 +73,7 @@ static struct inet_frags nf_frags;
 static struct netns_frags nf_init_frags;
 
 #ifdef CONFIG_SYSCTL
-struct ctl_table nf_ct_ipv6_sysctl_table[] = {
+struct ctl_table nf_ct_frag6_sysctl_table[] = {
 	{
 		.procname	= "nf_conntrack_frag6_timeout",
 		.data		= &nf_init_frags.timeout,
@@ -97,6 +97,8 @@ struct ctl_table nf_ct_ipv6_sysctl_table[] = {
 	},
 	{ }
 };
+
+static struct ctl_table_header *nf_ct_frag6_sysctl_header;
 #endif
 
 static unsigned int nf_hashfn(struct inet_frag_queue *q)
@@ -363,7 +365,7 @@ nf_ct_frag6_reasm(struct nf_ct_frag6_queue *fq, struct net_device *dev)
 	/* If the first fragment is fragmented itself, we split
 	 * it to two chunks: the first with data and paged part
 	 * and the second, holding only fragments. */
-	if (skb_has_frags(head)) {
+	if (skb_has_frag_list(head)) {
 		struct sk_buff *clone;
 		int i, plen = 0;
 
@@ -623,11 +625,21 @@ int nf_ct_frag6_init(void)
 	inet_frags_init_net(&nf_init_frags);
 	inet_frags_init(&nf_frags);
 
+	nf_ct_frag6_sysctl_header = register_sysctl_paths(nf_net_netfilter_sysctl_path,
+							  nf_ct_frag6_sysctl_table);
+	if (!nf_ct_frag6_sysctl_header) {
+		inet_frags_fini(&nf_frags);
+		return -ENOMEM;
+	}
+
 	return 0;
 }
 
 void nf_ct_frag6_cleanup(void)
 {
+	unregister_sysctl_table(nf_ct_frag6_sysctl_header);
+	nf_ct_frag6_sysctl_header = NULL;
+
 	inet_frags_fini(&nf_frags);
 
 	nf_init_frags.low_thresh = 0;
diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
new file mode 100644
index 00000000000..99abfb53bab
--- /dev/null
+++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
@@ -0,0 +1,131 @@
+/* (C) 1999-2001 Paul `Rusty' Russell
+ * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include <linux/ipv6.h>
+#include <linux/in6.h>
+#include <linux/netfilter.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/icmp.h>
+#include <linux/sysctl.h>
+#include <net/ipv6.h>
+#include <net/inet_frag.h>
+
+#include <linux/netfilter_ipv6.h>
+#include <linux/netfilter_bridge.h>
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_helper.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
+#include <net/netfilter/nf_conntrack_l3proto.h>
+#include <net/netfilter/nf_conntrack_core.h>
+#include <net/netfilter/nf_conntrack_zones.h>
+#include <net/netfilter/ipv6/nf_conntrack_ipv6.h>
+#include <net/netfilter/ipv6/nf_defrag_ipv6.h>
+
+static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum,
+						struct sk_buff *skb)
+{
+	u16 zone = NF_CT_DEFAULT_ZONE;
+
+	if (skb->nfct)
+		zone = nf_ct_zone((struct nf_conn *)skb->nfct);
+
+#ifdef CONFIG_BRIDGE_NETFILTER
+	if (skb->nf_bridge &&
+	    skb->nf_bridge->mask & BRNF_NF_BRIDGE_PREROUTING)
+		return IP6_DEFRAG_CONNTRACK_BRIDGE_IN + zone;
+#endif
+	if (hooknum == NF_INET_PRE_ROUTING)
+		return IP6_DEFRAG_CONNTRACK_IN + zone;
+	else
+		return IP6_DEFRAG_CONNTRACK_OUT + zone;
+
+}
+
+static unsigned int ipv6_defrag(unsigned int hooknum,
+				struct sk_buff *skb,
+				const struct net_device *in,
+				const struct net_device *out,
+				int (*okfn)(struct sk_buff *))
+{
+	struct sk_buff *reasm;
+
+	/* Previously seen (loopback)?	*/
+	if (skb->nfct && !nf_ct_is_template((struct nf_conn *)skb->nfct))
+		return NF_ACCEPT;
+
+	reasm = nf_ct_frag6_gather(skb, nf_ct6_defrag_user(hooknum, skb));
+	/* queued */
+	if (reasm == NULL)
+		return NF_STOLEN;
+
+	/* error occured or not fragmented */
+	if (reasm == skb)
+		return NF_ACCEPT;
+
+	nf_ct_frag6_output(hooknum, reasm, (struct net_device *)in,
+			   (struct net_device *)out, okfn);
+
+	return NF_STOLEN;
+}
+
+static struct nf_hook_ops ipv6_defrag_ops[] = {
+	{
+		.hook		= ipv6_defrag,
+		.owner		= THIS_MODULE,
+		.pf		= NFPROTO_IPV6,
+		.hooknum	= NF_INET_PRE_ROUTING,
+		.priority	= NF_IP6_PRI_CONNTRACK_DEFRAG,
+	},
+	{
+		.hook		= ipv6_defrag,
+		.owner		= THIS_MODULE,
+		.pf		= NFPROTO_IPV6,
+		.hooknum	= NF_INET_LOCAL_OUT,
+		.priority	= NF_IP6_PRI_CONNTRACK_DEFRAG,
+	},
+};
+
+static int __init nf_defrag_init(void)
+{
+	int ret = 0;
+
+	ret = nf_ct_frag6_init();
+	if (ret < 0) {
+		pr_err("nf_defrag_ipv6: can't initialize frag6.\n");
+		return ret;
+	}
+	ret = nf_register_hooks(ipv6_defrag_ops, ARRAY_SIZE(ipv6_defrag_ops));
+	if (ret < 0) {
+		pr_err("nf_defrag_ipv6: can't register hooks\n");
+		goto cleanup_frag6;
+	}
+	return ret;
+
+cleanup_frag6:
+	nf_ct_frag6_cleanup();
+	return ret;
+
+}
+
+static void __exit nf_defrag_fini(void)
+{
+	nf_unregister_hooks(ipv6_defrag_ops, ARRAY_SIZE(ipv6_defrag_ops));
+	nf_ct_frag6_cleanup();
+}
+
+void nf_defrag_ipv6_enable(void)
+{
+}
+EXPORT_SYMBOL_GPL(nf_defrag_ipv6_enable);
+
+module_init(nf_defrag_init);
+module_exit(nf_defrag_fini);
+
+MODULE_LICENSE("GPL");
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index 1fa3468f0f3..9bb936ae245 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -25,28 +25,14 @@
 #include <linux/spinlock.h>
 #include <net/protocol.h>
 
-const struct inet6_protocol *inet6_protos[MAX_INET_PROTOS];
-static DEFINE_SPINLOCK(inet6_proto_lock);
-
+const struct inet6_protocol *inet6_protos[MAX_INET_PROTOS] __read_mostly;
 
 int inet6_add_protocol(const struct inet6_protocol *prot, unsigned char protocol)
 {
-	int ret, hash = protocol & (MAX_INET_PROTOS - 1);
-
-	spin_lock_bh(&inet6_proto_lock);
-
-	if (inet6_protos[hash]) {
-		ret = -1;
-	} else {
-		inet6_protos[hash] = prot;
-		ret = 0;
-	}
-
-	spin_unlock_bh(&inet6_proto_lock);
+	int hash = protocol & (MAX_INET_PROTOS - 1);
 
-	return ret;
+	return !cmpxchg(&inet6_protos[hash], NULL, prot) ? 0 : -1;
 }
-
 EXPORT_SYMBOL(inet6_add_protocol);
 
 /*
@@ -57,20 +43,10 @@ int inet6_del_protocol(const struct inet6_protocol *prot, unsigned char protocol
 {
 	int ret, hash = protocol & (MAX_INET_PROTOS - 1);
 
-	spin_lock_bh(&inet6_proto_lock);
-
-	if (inet6_protos[hash] != prot) {
-		ret = -1;
-	} else {
-		inet6_protos[hash] = NULL;
-		ret = 0;
-	}
-
-	spin_unlock_bh(&inet6_proto_lock);
+	ret = (cmpxchg(&inet6_protos[hash], prot, NULL) == prot) ? 0 : -1;
 
 	synchronize_net();
 
 	return ret;
 }
-
 EXPORT_SYMBOL(inet6_del_protocol);
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index e677937a07f..45e6efb7f17 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -764,7 +764,7 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 			return -EINVAL;
 
 		if (sin6->sin6_family && sin6->sin6_family != AF_INET6)
-			return(-EAFNOSUPPORT);
+			return -EAFNOSUPPORT;
 
 		/* port is the proto value [0..255] carried in nexthdr */
 		proto = ntohs(sin6->sin6_port);
@@ -772,10 +772,10 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk,
 		if (!proto)
 			proto = inet->inet_num;
 		else if (proto != inet->inet_num)
-			return(-EINVAL);
+			return -EINVAL;
 
 		if (proto > 255)
-			return(-EINVAL);
+			return -EINVAL;
 
 		daddr = &sin6->sin6_addr;
 		if (np->sndflow) {
@@ -985,7 +985,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
 			/* You may get strange result with a positive odd offset;
 			   RFC2292bis agrees with me. */
 			if (val > 0 && (val&1))
-				return(-EINVAL);
+				return -EINVAL;
 			if (val < 0) {
 				rp->checksum = 0;
 			} else {
@@ -997,7 +997,7 @@ static int do_rawv6_setsockopt(struct sock *sk, int level, int optname,
 			break;
 
 		default:
-			return(-ENOPROTOOPT);
+			return -ENOPROTOOPT;
 	}
 }
 
@@ -1190,7 +1190,7 @@ static int rawv6_init_sk(struct sock *sk)
 	default:
 		break;
 	}
-	return(0);
+	return 0;
 }
 
 struct proto rawv6_prot = {
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 64cfef1b0a4..c7ba3149633 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -458,7 +458,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
 	/* If the first fragment is fragmented itself, we split
 	 * it to two chunks: the first with data and paged part
 	 * and the second, holding only fragments. */
-	if (skb_has_frags(head)) {
+	if (skb_has_frag_list(head)) {
 		struct sk_buff *clone;
 		int i, plen = 0;
 
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 8323136bdc5..25661f968f3 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -109,7 +109,6 @@ static struct dst_ops ip6_dst_ops_template = {
 	.link_failure		=	ip6_link_failure,
 	.update_pmtu		=	ip6_rt_update_pmtu,
 	.local_out		=	__ip6_local_out,
-	.entries		=	ATOMIC_INIT(0),
 };
 
 static void ip6_rt_blackhole_update_pmtu(struct dst_entry *dst, u32 mtu)
@@ -122,7 +121,6 @@ static struct dst_ops ip6_dst_blackhole_ops = {
 	.destroy		=	ip6_dst_destroy,
 	.check			=	ip6_dst_check,
 	.update_pmtu		=	ip6_rt_blackhole_update_pmtu,
-	.entries		=	ATOMIC_INIT(0),
 };
 
 static struct rt6_info ip6_null_entry_template = {
@@ -217,14 +215,14 @@ static void ip6_dst_ifdown(struct dst_entry *dst, struct net_device *dev,
 
 static __inline__ int rt6_check_expired(const struct rt6_info *rt)
 {
-	return (rt->rt6i_flags & RTF_EXPIRES &&
-		time_after(jiffies, rt->rt6i_expires));
+	return (rt->rt6i_flags & RTF_EXPIRES) &&
+		time_after(jiffies, rt->rt6i_expires);
 }
 
 static inline int rt6_need_strict(struct in6_addr *daddr)
 {
-	return (ipv6_addr_type(daddr) &
-		(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK));
+	return ipv6_addr_type(daddr) &
+		(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK);
 }
 
 /*
@@ -440,7 +438,7 @@ static struct rt6_info *rt6_select(struct fib6_node *fn, int oif, int strict)
 		  __func__, match);
 
 	net = dev_net(rt0->rt6i_dev);
-	return (match ? match : net->ipv6.ip6_null_entry);
+	return match ? match : net->ipv6.ip6_null_entry;
 }
 
 #ifdef CONFIG_IPV6_ROUTE_INFO
@@ -859,7 +857,7 @@ int ip6_dst_blackhole(struct sock *sk, struct dst_entry **dstp, struct flowi *fl
 
 	dst_release(*dstp);
 	*dstp = new;
-	return (new ? 0 : -ENOMEM);
+	return new ? 0 : -ENOMEM;
 }
 EXPORT_SYMBOL_GPL(ip6_dst_blackhole);
 
@@ -1058,19 +1056,22 @@ static int ip6_dst_gc(struct dst_ops *ops)
 	int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity;
 	int rt_gc_timeout = net->ipv6.sysctl.ip6_rt_gc_timeout;
 	unsigned long rt_last_gc = net->ipv6.ip6_rt_last_gc;
+	int entries;
 
+	entries = dst_entries_get_fast(ops);
 	if (time_after(rt_last_gc + rt_min_interval, now) &&
-	    atomic_read(&ops->entries) <= rt_max_size)
+	    entries <= rt_max_size)
 		goto out;
 
 	net->ipv6.ip6_rt_gc_expire++;
 	fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net);
 	net->ipv6.ip6_rt_last_gc = now;
-	if (atomic_read(&ops->entries) < ops->gc_thresh)
+	entries = dst_entries_get_slow(ops);
+	if (entries < ops->gc_thresh)
 		net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1;
 out:
 	net->ipv6.ip6_rt_gc_expire -= net->ipv6.ip6_rt_gc_expire>>rt_elasticity;
-	return (atomic_read(&ops->entries) > rt_max_size);
+	return entries > rt_max_size;
 }
 
 /* Clean host part of a prefix. Not necessary in radix tree,
@@ -1169,6 +1170,8 @@ int ip6_route_add(struct fib6_config *cfg)
 
 	if (addr_type & IPV6_ADDR_MULTICAST)
 		rt->dst.input = ip6_mc_input;
+	else if (cfg->fc_flags & RTF_LOCAL)
+		rt->dst.input = ip6_input;
 	else
 		rt->dst.input = ip6_forward;
 
@@ -1190,7 +1193,8 @@ int ip6_route_add(struct fib6_config *cfg)
 	   they would result in kernel looping; promote them to reject routes
 	 */
 	if ((cfg->fc_flags & RTF_REJECT) ||
-	    (dev && (dev->flags&IFF_LOOPBACK) && !(addr_type&IPV6_ADDR_LOOPBACK))) {
+	    (dev && (dev->flags&IFF_LOOPBACK) && !(addr_type&IPV6_ADDR_LOOPBACK)
+					      && !(cfg->fc_flags&RTF_LOCAL))) {
 		/* hold loopback dev/idev if we haven't done so. */
 		if (dev != net->loopback_dev) {
 			if (dev) {
@@ -1556,14 +1560,13 @@ out:
  *	i.e. Path MTU discovery
  */
 
-void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
-			struct net_device *dev, u32 pmtu)
+static void rt6_do_pmtu_disc(struct in6_addr *daddr, struct in6_addr *saddr,
+			     struct net *net, u32 pmtu, int ifindex)
 {
 	struct rt6_info *rt, *nrt;
-	struct net *net = dev_net(dev);
 	int allfrag = 0;
 
-	rt = rt6_lookup(net, daddr, saddr, dev->ifindex, 0);
+	rt = rt6_lookup(net, daddr, saddr, ifindex, 0);
 	if (rt == NULL)
 		return;
 
@@ -1631,6 +1634,27 @@ out:
 	dst_release(&rt->dst);
 }
 
+void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
+			struct net_device *dev, u32 pmtu)
+{
+	struct net *net = dev_net(dev);
+
+	/*
+	 * RFC 1981 states that a node "MUST reduce the size of the packets it
+	 * is sending along the path" that caused the Packet Too Big message.
+	 * Since it's not possible in the general case to determine which
+	 * interface was used to send the original packet, we update the MTU
+	 * on the interface that will be used to send future packets. We also
+	 * update the MTU on the interface that received the Packet Too Big in
+	 * case the original packet was forced out that interface with
+	 * SO_BINDTODEVICE or similar. This is the next best thing to the
+	 * correct behaviour, which would be to update the MTU on all
+	 * interfaces.
+	 */
+	rt6_do_pmtu_disc(daddr, saddr, net, pmtu, 0);
+	rt6_do_pmtu_disc(daddr, saddr, net, pmtu, dev->ifindex);
+}
+
 /*
  *	Misc support functions
  */
@@ -2082,6 +2106,9 @@ static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh,
 	if (rtm->rtm_type == RTN_UNREACHABLE)
 		cfg->fc_flags |= RTF_REJECT;
 
+	if (rtm->rtm_type == RTN_LOCAL)
+		cfg->fc_flags |= RTF_LOCAL;
+
 	cfg->fc_nlinfo.pid = NETLINK_CB(skb).pid;
 	cfg->fc_nlinfo.nlh = nlh;
 	cfg->fc_nlinfo.nl_net = sock_net(skb->sk);
@@ -2202,6 +2229,8 @@ static int rt6_fill_node(struct net *net,
 	NLA_PUT_U32(skb, RTA_TABLE, table);
 	if (rt->rt6i_flags&RTF_REJECT)
 		rtm->rtm_type = RTN_UNREACHABLE;
+	else if (rt->rt6i_flags&RTF_LOCAL)
+		rtm->rtm_type = RTN_LOCAL;
 	else if (rt->rt6i_dev && (rt->rt6i_dev->flags&IFF_LOOPBACK))
 		rtm->rtm_type = RTN_LOCAL;
 	else
@@ -2496,7 +2525,7 @@ static int rt6_stats_seq_show(struct seq_file *seq, void *v)
 		   net->ipv6.rt6_stats->fib_rt_alloc,
 		   net->ipv6.rt6_stats->fib_rt_entries,
 		   net->ipv6.rt6_stats->fib_rt_cache,
-		   atomic_read(&net->ipv6.ip6_dst_ops.entries),
+		   dst_entries_get_slow(&net->ipv6.ip6_dst_ops),
 		   net->ipv6.rt6_stats->fib_discarded_routes);
 
 	return 0;
@@ -2638,11 +2667,14 @@ static int __net_init ip6_route_net_init(struct net *net)
 	memcpy(&net->ipv6.ip6_dst_ops, &ip6_dst_ops_template,
 	       sizeof(net->ipv6.ip6_dst_ops));
 
+	if (dst_entries_init(&net->ipv6.ip6_dst_ops) < 0)
+		goto out_ip6_dst_ops;
+
 	net->ipv6.ip6_null_entry = kmemdup(&ip6_null_entry_template,
 					   sizeof(*net->ipv6.ip6_null_entry),
 					   GFP_KERNEL);
 	if (!net->ipv6.ip6_null_entry)
-		goto out_ip6_dst_ops;
+		goto out_ip6_dst_entries;
 	net->ipv6.ip6_null_entry->dst.path =
 		(struct dst_entry *)net->ipv6.ip6_null_entry;
 	net->ipv6.ip6_null_entry->dst.ops = &net->ipv6.ip6_dst_ops;
@@ -2692,6 +2724,8 @@ out_ip6_prohibit_entry:
 out_ip6_null_entry:
 	kfree(net->ipv6.ip6_null_entry);
 #endif
+out_ip6_dst_entries:
+	dst_entries_destroy(&net->ipv6.ip6_dst_ops);
 out_ip6_dst_ops:
 	goto out;
 }
@@ -2730,10 +2764,14 @@ int __init ip6_route_init(void)
 	if (!ip6_dst_ops_template.kmem_cachep)
 		goto out;
 
-	ret = register_pernet_subsys(&ip6_route_net_ops);
+	ret = dst_entries_init(&ip6_dst_blackhole_ops);
 	if (ret)
 		goto out_kmem_cache;
 
+	ret = register_pernet_subsys(&ip6_route_net_ops);
+	if (ret)
+		goto out_dst_entries;
+
 	ip6_dst_blackhole_ops.kmem_cachep = ip6_dst_ops_template.kmem_cachep;
 
 	/* Registering of the loopback is done before this portion of code,
@@ -2780,6 +2818,8 @@ out_fib6_init:
 	fib6_gc_cleanup();
 out_register_subsys:
 	unregister_pernet_subsys(&ip6_route_net_ops);
+out_dst_entries:
+	dst_entries_destroy(&ip6_dst_blackhole_ops);
 out_kmem_cache:
 	kmem_cache_destroy(ip6_dst_ops_template.kmem_cachep);
 	goto out;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 4699cd3c311..367a6cc584c 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -63,36 +63,63 @@
 #define HASH_SIZE  16
 #define HASH(addr) (((__force u32)addr^((__force u32)addr>>4))&0xF)
 
-static void ipip6_tunnel_init(struct net_device *dev);
+static int ipip6_tunnel_init(struct net_device *dev);
 static void ipip6_tunnel_setup(struct net_device *dev);
+static void ipip6_dev_free(struct net_device *dev);
 
 static int sit_net_id __read_mostly;
 struct sit_net {
-	struct ip_tunnel *tunnels_r_l[HASH_SIZE];
-	struct ip_tunnel *tunnels_r[HASH_SIZE];
-	struct ip_tunnel *tunnels_l[HASH_SIZE];
-	struct ip_tunnel *tunnels_wc[1];
-	struct ip_tunnel **tunnels[4];
+	struct ip_tunnel __rcu *tunnels_r_l[HASH_SIZE];
+	struct ip_tunnel __rcu *tunnels_r[HASH_SIZE];
+	struct ip_tunnel __rcu *tunnels_l[HASH_SIZE];
+	struct ip_tunnel __rcu *tunnels_wc[1];
+	struct ip_tunnel __rcu **tunnels[4];
 
 	struct net_device *fb_tunnel_dev;
 };
 
 /*
- * Locking : hash tables are protected by RCU and a spinlock
+ * Locking : hash tables are protected by RCU and RTNL
  */
-static DEFINE_SPINLOCK(ipip6_lock);
 
 #define for_each_ip_tunnel_rcu(start) \
 	for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
 
+/* often modified stats are per cpu, other are shared (netdev->stats) */
+struct pcpu_tstats {
+	unsigned long	rx_packets;
+	unsigned long	rx_bytes;
+	unsigned long	tx_packets;
+	unsigned long	tx_bytes;
+};
+
+static struct net_device_stats *ipip6_get_stats(struct net_device *dev)
+{
+	struct pcpu_tstats sum = { 0 };
+	int i;
+
+	for_each_possible_cpu(i) {
+		const struct pcpu_tstats *tstats = per_cpu_ptr(dev->tstats, i);
+
+		sum.rx_packets += tstats->rx_packets;
+		sum.rx_bytes   += tstats->rx_bytes;
+		sum.tx_packets += tstats->tx_packets;
+		sum.tx_bytes   += tstats->tx_bytes;
+	}
+	dev->stats.rx_packets = sum.rx_packets;
+	dev->stats.rx_bytes   = sum.rx_bytes;
+	dev->stats.tx_packets = sum.tx_packets;
+	dev->stats.tx_bytes   = sum.tx_bytes;
+	return &dev->stats;
+}
 /*
  * Must be invoked with rcu_read_lock
  */
 static struct ip_tunnel * ipip6_tunnel_lookup(struct net *net,
 		struct net_device *dev, __be32 remote, __be32 local)
 {
-	unsigned h0 = HASH(remote);
-	unsigned h1 = HASH(local);
+	unsigned int h0 = HASH(remote);
+	unsigned int h1 = HASH(local);
 	struct ip_tunnel *t;
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 
@@ -121,12 +148,12 @@ static struct ip_tunnel * ipip6_tunnel_lookup(struct net *net,
 	return NULL;
 }
 
-static struct ip_tunnel **__ipip6_bucket(struct sit_net *sitn,
+static struct ip_tunnel __rcu **__ipip6_bucket(struct sit_net *sitn,
 		struct ip_tunnel_parm *parms)
 {
 	__be32 remote = parms->iph.daddr;
 	__be32 local = parms->iph.saddr;
-	unsigned h = 0;
+	unsigned int h = 0;
 	int prio = 0;
 
 	if (remote) {
@@ -140,7 +167,7 @@ static struct ip_tunnel **__ipip6_bucket(struct sit_net *sitn,
 	return &sitn->tunnels[prio][h];
 }
 
-static inline struct ip_tunnel **ipip6_bucket(struct sit_net *sitn,
+static inline struct ip_tunnel __rcu **ipip6_bucket(struct sit_net *sitn,
 		struct ip_tunnel *t)
 {
 	return __ipip6_bucket(sitn, &t->parms);
@@ -148,13 +175,14 @@ static inline struct ip_tunnel **ipip6_bucket(struct sit_net *sitn,
 
 static void ipip6_tunnel_unlink(struct sit_net *sitn, struct ip_tunnel *t)
 {
-	struct ip_tunnel **tp;
-
-	for (tp = ipip6_bucket(sitn, t); *tp; tp = &(*tp)->next) {
-		if (t == *tp) {
-			spin_lock_bh(&ipip6_lock);
-			*tp = t->next;
-			spin_unlock_bh(&ipip6_lock);
+	struct ip_tunnel __rcu **tp;
+	struct ip_tunnel *iter;
+
+	for (tp = ipip6_bucket(sitn, t);
+	     (iter = rtnl_dereference(*tp)) != NULL;
+	     tp = &iter->next) {
+		if (t == iter) {
+			rcu_assign_pointer(*tp, t->next);
 			break;
 		}
 	}
@@ -162,12 +190,10 @@ static void ipip6_tunnel_unlink(struct sit_net *sitn, struct ip_tunnel *t)
 
 static void ipip6_tunnel_link(struct sit_net *sitn, struct ip_tunnel *t)
 {
-	struct ip_tunnel **tp = ipip6_bucket(sitn, t);
+	struct ip_tunnel __rcu **tp = ipip6_bucket(sitn, t);
 
-	spin_lock_bh(&ipip6_lock);
-	t->next = *tp;
+	rcu_assign_pointer(t->next, rtnl_dereference(*tp));
 	rcu_assign_pointer(*tp, t);
-	spin_unlock_bh(&ipip6_lock);
 }
 
 static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
@@ -187,17 +213,20 @@ static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
 #endif
 }
 
-static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
+static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
 		struct ip_tunnel_parm *parms, int create)
 {
 	__be32 remote = parms->iph.daddr;
 	__be32 local = parms->iph.saddr;
-	struct ip_tunnel *t, **tp, *nt;
+	struct ip_tunnel *t, *nt;
+	struct ip_tunnel __rcu **tp;
 	struct net_device *dev;
 	char name[IFNAMSIZ];
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 
-	for (tp = __ipip6_bucket(sitn, parms); (t = *tp) != NULL; tp = &t->next) {
+	for (tp = __ipip6_bucket(sitn, parms);
+	    (t = rtnl_dereference(*tp)) != NULL;
+	     tp = &t->next) {
 		if (local == t->parms.iph.saddr &&
 		    remote == t->parms.iph.daddr &&
 		    parms->link == t->parms.link) {
@@ -213,7 +242,7 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 	if (parms->name[0])
 		strlcpy(name, parms->name, IFNAMSIZ);
 	else
-		sprintf(name, "sit%%d");
+		strcpy(name, "sit%d");
 
 	dev = alloc_netdev(sizeof(*t), name, ipip6_tunnel_setup);
 	if (dev == NULL)
@@ -229,7 +258,8 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 	nt = netdev_priv(dev);
 
 	nt->parms = *parms;
-	ipip6_tunnel_init(dev);
+	if (ipip6_tunnel_init(dev) < 0)
+		goto failed_free;
 	ipip6_tunnel_clone_6rd(dev, sitn);
 
 	if (parms->i_flags & SIT_ISATAP)
@@ -244,7 +274,7 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
 	return nt;
 
 failed_free:
-	free_netdev(dev);
+	ipip6_dev_free(dev);
 failed:
 	return NULL;
 }
@@ -340,7 +370,7 @@ ipip6_tunnel_add_prl(struct ip_tunnel *t, struct ip_tunnel_prl *a, int chg)
 
 	ASSERT_RTNL();
 
-	for (p = t->prl; p; p = p->next) {
+	for (p = rtnl_dereference(t->prl); p; p = rtnl_dereference(p->next)) {
 		if (p->addr == a->addr) {
 			if (chg) {
 				p->flags = a->flags;
@@ -451,15 +481,12 @@ static void ipip6_tunnel_uninit(struct net_device *dev)
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 
 	if (dev == sitn->fb_tunnel_dev) {
-		spin_lock_bh(&ipip6_lock);
-		sitn->tunnels_wc[0] = NULL;
-		spin_unlock_bh(&ipip6_lock);
-		dev_put(dev);
+		rcu_assign_pointer(sitn->tunnels_wc[0], NULL);
 	} else {
 		ipip6_tunnel_unlink(sitn, netdev_priv(dev));
 		ipip6_tunnel_del_prl(netdev_priv(dev), NULL);
-		dev_put(dev);
 	}
+	dev_put(dev);
 }
 
 
@@ -548,6 +575,8 @@ static int ipip6_rcv(struct sk_buff *skb)
 	tunnel = ipip6_tunnel_lookup(dev_net(skb->dev), skb->dev,
 				     iph->saddr, iph->daddr);
 	if (tunnel != NULL) {
+		struct pcpu_tstats *tstats;
+
 		secpath_reset(skb);
 		skb->mac_header = skb->network_header;
 		skb_reset_network_header(skb);
@@ -563,10 +592,16 @@ static int ipip6_rcv(struct sk_buff *skb)
 			return 0;
 		}
 
-		skb_tunnel_rx(skb, tunnel->dev);
+		tstats = this_cpu_ptr(tunnel->dev->tstats);
+		tstats->rx_packets++;
+		tstats->rx_bytes += skb->len;
+
+		__skb_tunnel_rx(skb, tunnel->dev);
 
 		ipip6_ecn_decapsulate(iph, skb);
+
 		netif_rx(skb);
+
 		rcu_read_unlock();
 		return 0;
 	}
@@ -590,7 +625,7 @@ __be32 try_6rd(struct in6_addr *v6dst, struct ip_tunnel *tunnel)
 #ifdef CONFIG_IPV6_SIT_6RD
 	if (ipv6_prefix_equal(v6dst, &tunnel->ip6rd.prefix,
 			      tunnel->ip6rd.prefixlen)) {
-		unsigned pbw0, pbi0;
+		unsigned int pbw0, pbi0;
 		int pbi1;
 		u32 d;
 
@@ -625,14 +660,13 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 				     struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
-	struct net_device_stats *stats = &dev->stats;
-	struct netdev_queue *txq = netdev_get_tx_queue(dev, 0);
+	struct pcpu_tstats *tstats;
 	struct iphdr  *tiph = &tunnel->parms.iph;
 	struct ipv6hdr *iph6 = ipv6_hdr(skb);
 	u8     tos = tunnel->parms.iph.tos;
 	__be16 df = tiph->frag_off;
 	struct rtable *rt;     			/* Route to the other host */
-	struct net_device *tdev;			/* Device to other host */
+	struct net_device *tdev;		/* Device to other host */
 	struct iphdr  *iph;			/* Our new IP header */
 	unsigned int max_headroom;		/* The extra header space needed */
 	__be32 dst = tiph->daddr;
@@ -703,20 +737,20 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 				    .oif = tunnel->parms.link,
 				    .proto = IPPROTO_IPV6 };
 		if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
-			stats->tx_carrier_errors++;
+			dev->stats.tx_carrier_errors++;
 			goto tx_error_icmp;
 		}
 	}
 	if (rt->rt_type != RTN_UNICAST) {
 		ip_rt_put(rt);
-		stats->tx_carrier_errors++;
+		dev->stats.tx_carrier_errors++;
 		goto tx_error_icmp;
 	}
 	tdev = rt->dst.dev;
 
 	if (tdev == dev) {
 		ip_rt_put(rt);
-		stats->collisions++;
+		dev->stats.collisions++;
 		goto tx_error;
 	}
 
@@ -724,7 +758,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 		mtu = dst_mtu(&rt->dst) - sizeof(struct iphdr);
 
 		if (mtu < 68) {
-			stats->collisions++;
+			dev->stats.collisions++;
 			ip_rt_put(rt);
 			goto tx_error;
 		}
@@ -763,7 +797,7 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
 		if (!new_skb) {
 			ip_rt_put(rt);
-			txq->tx_dropped++;
+			dev->stats.tx_dropped++;
 			dev_kfree_skb(skb);
 			return NETDEV_TX_OK;
 		}
@@ -799,14 +833,14 @@ static netdev_tx_t ipip6_tunnel_xmit(struct sk_buff *skb,
 		iph->ttl	=	iph6->hop_limit;
 
 	nf_reset(skb);
-
-	IPTUNNEL_XMIT();
+	tstats = this_cpu_ptr(dev->tstats);
+	__IPTUNNEL_XMIT(tstats, &dev->stats);
 	return NETDEV_TX_OK;
 
 tx_error_icmp:
 	dst_link_failure(skb);
 tx_error:
-	stats->tx_errors++;
+	dev->stats.tx_errors++;
 	dev_kfree_skb(skb);
 	return NETDEV_TX_OK;
 }
@@ -1083,12 +1117,19 @@ static const struct net_device_ops ipip6_netdev_ops = {
 	.ndo_start_xmit	= ipip6_tunnel_xmit,
 	.ndo_do_ioctl	= ipip6_tunnel_ioctl,
 	.ndo_change_mtu	= ipip6_tunnel_change_mtu,
+	.ndo_get_stats	= ipip6_get_stats,
 };
 
+static void ipip6_dev_free(struct net_device *dev)
+{
+	free_percpu(dev->tstats);
+	free_netdev(dev);
+}
+
 static void ipip6_tunnel_setup(struct net_device *dev)
 {
 	dev->netdev_ops		= &ipip6_netdev_ops;
-	dev->destructor 	= free_netdev;
+	dev->destructor 	= ipip6_dev_free;
 
 	dev->type		= ARPHRD_SIT;
 	dev->hard_header_len 	= LL_MAX_HEADER + sizeof(struct iphdr);
@@ -1098,9 +1139,10 @@ static void ipip6_tunnel_setup(struct net_device *dev)
 	dev->iflink		= 0;
 	dev->addr_len		= 4;
 	dev->features		|= NETIF_F_NETNS_LOCAL;
+	dev->features		|= NETIF_F_LLTX;
 }
 
-static void ipip6_tunnel_init(struct net_device *dev)
+static int ipip6_tunnel_init(struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 
@@ -1111,9 +1153,14 @@ static void ipip6_tunnel_init(struct net_device *dev)
 	memcpy(dev->broadcast, &tunnel->parms.iph.daddr, 4);
 
 	ipip6_tunnel_bind_dev(dev);
+	dev->tstats = alloc_percpu(struct pcpu_tstats);
+	if (!dev->tstats)
+		return -ENOMEM;
+
+	return 0;
 }
 
-static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
+static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 	struct iphdr *iph = &tunnel->parms.iph;
@@ -1128,11 +1175,15 @@ static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
 	iph->ihl		= 5;
 	iph->ttl		= 64;
 
+	dev->tstats = alloc_percpu(struct pcpu_tstats);
+	if (!dev->tstats)
+		return -ENOMEM;
 	dev_hold(dev);
 	sitn->tunnels_wc[0]	= tunnel;
+	return 0;
 }
 
-static struct xfrm_tunnel sit_handler = {
+static struct xfrm_tunnel sit_handler __read_mostly = {
 	.handler	=	ipip6_rcv,
 	.err_handler	=	ipip6_err,
 	.priority	=	1,
@@ -1173,7 +1224,10 @@ static int __net_init sit_init_net(struct net *net)
 	}
 	dev_net_set(sitn->fb_tunnel_dev, net);
 
-	ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
+	err = ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
+	if (err)
+		goto err_dev_free;
+
 	ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
 
 	if ((err = register_netdev(sitn->fb_tunnel_dev)))
@@ -1183,7 +1237,8 @@ static int __net_init sit_init_net(struct net *net)
 
 err_reg_dev:
 	dev_put(sitn->fb_tunnel_dev);
-	free_netdev(sitn->fb_tunnel_dev);
+err_dev_free:
+	ipip6_dev_free(sitn->fb_tunnel_dev);
 err_alloc_dev:
 	return err;
 }
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index fe6d40418c0..7e41e2cbb85 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -139,7 +139,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 		return -EINVAL;
 
 	if (usin->sin6_family != AF_INET6)
-		return(-EAFNOSUPPORT);
+		return -EAFNOSUPPORT;
 
 	memset(&fl, 0, sizeof(fl));
 
@@ -1409,7 +1409,7 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 
 	newsk = tcp_create_openreq_child(sk, req, skb);
 	if (newsk == NULL)
-		goto out;
+		goto out_nonewsk;
 
 	/*
 	 * No need to charge this sock to the relevant IPv6 refcnt debug socks
@@ -1497,18 +1497,22 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	}
 #endif
 
+	if (__inet_inherit_port(sk, newsk) < 0) {
+		sock_put(newsk);
+		goto out;
+	}
 	__inet6_hash(newsk, NULL);
-	__inet_inherit_port(sk, newsk);
 
 	return newsk;
 
 out_overflow:
 	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS);
-out:
-	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
+out_nonewsk:
 	if (opt && opt != np->opt)
 		sock_kfree_s(sk, opt, opt->tot_len);
 	dst_release(dst);
+out:
+	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
 	return NULL;
 }
 
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index fc3c86a4745..d9864725d0c 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -30,8 +30,8 @@
 #include <net/protocol.h>
 #include <net/xfrm.h>
 
-static struct xfrm6_tunnel *tunnel6_handlers;
-static struct xfrm6_tunnel *tunnel46_handlers;
+static struct xfrm6_tunnel *tunnel6_handlers __read_mostly;
+static struct xfrm6_tunnel *tunnel46_handlers __read_mostly;
 static DEFINE_MUTEX(tunnel6_mutex);
 
 int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family)
@@ -51,7 +51,7 @@ int xfrm6_tunnel_register(struct xfrm6_tunnel *handler, unsigned short family)
 	}
 
 	handler->next = *pprev;
-	*pprev = handler;
+	rcu_assign_pointer(*pprev, handler);
 
 	ret = 0;
 
@@ -88,6 +88,11 @@ int xfrm6_tunnel_deregister(struct xfrm6_tunnel *handler, unsigned short family)
 
 EXPORT_SYMBOL(xfrm6_tunnel_deregister);
 
+#define for_each_tunnel_rcu(head, handler)		\
+	for (handler = rcu_dereference(head);		\
+	     handler != NULL;				\
+	     handler = rcu_dereference(handler->next))	\
+
 static int tunnel6_rcv(struct sk_buff *skb)
 {
 	struct xfrm6_tunnel *handler;
@@ -95,7 +100,7 @@ static int tunnel6_rcv(struct sk_buff *skb)
 	if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
 		goto drop;
 
-	for (handler = tunnel6_handlers; handler; handler = handler->next)
+	for_each_tunnel_rcu(tunnel6_handlers, handler)
 		if (!handler->handler(skb))
 			return 0;
 
@@ -113,7 +118,7 @@ static int tunnel46_rcv(struct sk_buff *skb)
 	if (!pskb_may_pull(skb, sizeof(struct iphdr)))
 		goto drop;
 
-	for (handler = tunnel46_handlers; handler; handler = handler->next)
+	for_each_tunnel_rcu(tunnel46_handlers, handler)
 		if (!handler->handler(skb))
 			return 0;
 
@@ -129,7 +134,7 @@ static void tunnel6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 {
 	struct xfrm6_tunnel *handler;
 
-	for (handler = tunnel6_handlers; handler; handler = handler->next)
+	for_each_tunnel_rcu(tunnel6_handlers, handler)
 		if (!handler->err_handler(skb, opt, type, code, offset, info))
 			break;
 }
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 5acb3560ff1..c84dad43211 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -122,8 +122,8 @@ static void udp_v6_rehash(struct sock *sk)
 
 static inline int compute_score(struct sock *sk, struct net *net,
 				unsigned short hnum,
-				struct in6_addr *saddr, __be16 sport,
-				struct in6_addr *daddr, __be16 dport,
+				const struct in6_addr *saddr, __be16 sport,
+				const struct in6_addr *daddr, __be16 dport,
 				int dif)
 {
 	int score = -1;
@@ -239,8 +239,8 @@ exact_match:
 }
 
 static struct sock *__udp6_lib_lookup(struct net *net,
-				      struct in6_addr *saddr, __be16 sport,
-				      struct in6_addr *daddr, __be16 dport,
+				      const struct in6_addr *saddr, __be16 sport,
+				      const struct in6_addr *daddr, __be16 dport,
 				      int dif, struct udp_table *udptable)
 {
 	struct sock *sk, *result;
@@ -320,6 +320,14 @@ static struct sock *__udp6_lib_lookup_skb(struct sk_buff *skb,
 				 udptable);
 }
 
+struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be16 sport,
+			     const struct in6_addr *daddr, __be16 dport, int dif)
+{
+	return __udp6_lib_lookup(net, saddr, sport, daddr, dport, dif, &udp_table);
+}
+EXPORT_SYMBOL_GPL(udp6_lib_lookup);
+
+
 /*
  * 	This should be easy, if there is something there we
  * 	return it, otherwise we block.
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 6baeabbbca8..7e74023ea6e 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -199,7 +199,7 @@ static inline int xfrm6_garbage_collect(struct dst_ops *ops)
 	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);
+	return dst_entries_get_fast(ops) > ops->gc_thresh * 2;
 }
 
 static void xfrm6_update_pmtu(struct dst_entry *dst, u32 mtu)
@@ -255,7 +255,6 @@ static struct dst_ops xfrm6_dst_ops = {
 	.ifdown =		xfrm6_dst_ifdown,
 	.local_out =		__ip6_local_out,
 	.gc_thresh =		1024,
-	.entries =		ATOMIC_INIT(0),
 };
 
 static struct xfrm_policy_afinfo xfrm6_policy_afinfo = {
@@ -312,11 +311,13 @@ int __init xfrm6_init(void)
 	 */
 	gc_thresh = FIB6_TABLE_HASHSZ * 8;
 	xfrm6_dst_ops.gc_thresh = (gc_thresh < 1024) ? 1024 : gc_thresh;
+	dst_entries_init(&xfrm6_dst_ops);
 
 	ret = xfrm6_policy_init();
-	if (ret)
+	if (ret) {
+		dst_entries_destroy(&xfrm6_dst_ops);
 		goto out;
-
+	}
 	ret = xfrm6_state_init();
 	if (ret)
 		goto out_policy;
@@ -341,4 +342,5 @@ void xfrm6_fini(void)
 	//xfrm6_input_fini();
 	xfrm6_policy_fini();
 	xfrm6_state_fini();
+	dst_entries_destroy(&xfrm6_dst_ops);
 }
diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c
index 2ce3a8278f2..2969cad408d 100644
--- a/net/ipv6/xfrm6_tunnel.c
+++ b/net/ipv6/xfrm6_tunnel.c
@@ -199,7 +199,7 @@ static void x6spi_destroy_rcu(struct rcu_head *head)
 			container_of(head, struct xfrm6_tunnel_spi, rcu_head));
 }
 
-void xfrm6_tunnel_free_spi(struct net *net, xfrm_address_t *saddr)
+static 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;
@@ -223,8 +223,6 @@ void xfrm6_tunnel_free_spi(struct net *net, xfrm_address_t *saddr)
 	spin_unlock_bh(&xfrm6_tunnel_spi_lock);
 }
 
-EXPORT_SYMBOL(xfrm6_tunnel_free_spi);
-
 static int xfrm6_tunnel_output(struct xfrm_state *x, struct sk_buff *skb)
 {
 	skb_push(skb, -skb_network_offset(skb));
@@ -317,13 +315,13 @@ static const struct xfrm_type xfrm6_tunnel_type = {
 	.output		= xfrm6_tunnel_output,
 };
 
-static struct xfrm6_tunnel xfrm6_tunnel_handler = {
+static struct xfrm6_tunnel xfrm6_tunnel_handler __read_mostly = {
 	.handler	= xfrm6_tunnel_rcv,
 	.err_handler	= xfrm6_tunnel_err,
 	.priority	= 2,
 };
 
-static struct xfrm6_tunnel xfrm46_tunnel_handler = {
+static struct xfrm6_tunnel xfrm46_tunnel_handler __read_mostly = {
 	.handler	= xfrm6_tunnel_rcv,
 	.err_handler	= xfrm6_tunnel_err,
 	.priority	= 2,