Merge branch 'linus' into x86/urgent

34 files changed, 727 insertions, 479 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index ff61a5cdb0b..9f4fcce6379 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -6,8 +6,6 @@
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *	Alexey Kuznetsov	<kuznet@ms2.inr.ac.ru>
  *
- *	$Id: addrconf.c,v 1.69 2001/10/31 21:55:54 davem Exp $
- *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
@@ -121,6 +119,7 @@ static void ipv6_regen_rndid(unsigned long data);
 static int desync_factor = MAX_DESYNC_FACTOR * HZ;
 #endif
 
+static int ipv6_generate_eui64(u8 *eui, struct net_device *dev);
 static int ipv6_count_addresses(struct inet6_dev *idev);
 
 /*
@@ -185,6 +184,8 @@ struct ipv6_devconf ipv6_devconf __read_mostly = {
 #endif
 	.proxy_ndp		= 0,
 	.accept_source_route	= 0,	/* we do not accept RH0 by default. */
+	.disable_ipv6		= 0,
+	.accept_dad		= 1,
 };
 
 static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
@@ -217,6 +218,8 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = {
 #endif
 	.proxy_ndp		= 0,
 	.accept_source_route	= 0,	/* we do not accept RH0 by default. */
+	.disable_ipv6		= 0,
+	.accept_dad		= 1,
 };
 
 /* IPv6 Wildcard Address and Loopback Address defined by RFC2553 */
@@ -226,9 +229,15 @@ const struct in6_addr in6addr_linklocal_allnodes = IN6ADDR_LINKLOCAL_ALLNODES_IN
 const struct in6_addr in6addr_linklocal_allrouters = IN6ADDR_LINKLOCAL_ALLROUTERS_INIT;
 
 /* Check if a valid qdisc is available */
-static inline int addrconf_qdisc_ok(struct net_device *dev)
+static inline bool addrconf_qdisc_ok(const struct net_device *dev)
+{
+	return !qdisc_tx_is_noop(dev);
+}
+
+/* Check if a route is valid prefix route */
+static inline int addrconf_is_prefix_route(const struct rt6_info *rt)
 {
-	return (dev->qdisc != &noop_qdisc);
+	return ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0);
 }
 
 static void addrconf_del_timer(struct inet6_ifaddr *ifp)
@@ -344,6 +353,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 		kfree(ndev);
 		return NULL;
 	}
+	if (ndev->cnf.forwarding)
+		dev_disable_lro(dev);
 	/* We refer to the device */
 	dev_hold(dev);
 
@@ -372,6 +383,9 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 	 */
 	in6_dev_hold(ndev);
 
+	if (dev->flags & (IFF_NOARP | IFF_LOOPBACK))
+		ndev->cnf.accept_dad = -1;
+
 #if defined(CONFIG_IPV6_SIT) || defined(CONFIG_IPV6_SIT_MODULE)
 	if (dev->type == ARPHRD_SIT && (dev->priv_flags & IFF_ISATAP)) {
 		printk(KERN_INFO
@@ -438,6 +452,8 @@ static void dev_forward_change(struct inet6_dev *idev)
 	if (!idev)
 		return;
 	dev = idev->dev;
+	if (idev->cnf.forwarding)
+		dev_disable_lro(dev);
 	if (dev && (dev->flags & IFF_MULTICAST)) {
 		if (idev->cnf.forwarding)
 			ipv6_dev_mc_inc(dev, &in6addr_linklocal_allrouters);
@@ -483,12 +499,14 @@ static void addrconf_fixup_forwarding(struct ctl_table *table, int *p, int old)
 	if (p == &net->ipv6.devconf_dflt->forwarding)
 		return;
 
+	rtnl_lock();
 	if (p == &net->ipv6.devconf_all->forwarding) {
 		__s32 newf = net->ipv6.devconf_all->forwarding;
 		net->ipv6.devconf_dflt->forwarding = newf;
 		addrconf_forward_change(net, newf);
 	} else if ((!*p) ^ (!old))
 		dev_forward_change((struct inet6_dev *)table->extra1);
+	rtnl_unlock();
 
 	if (*p)
 		rt6_purge_dflt_routers(net);
@@ -568,6 +586,13 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
 	struct rt6_info *rt;
 	int hash;
 	int err = 0;
+	int addr_type = ipv6_addr_type(addr);
+
+	if (addr_type == IPV6_ADDR_ANY ||
+	    addr_type & IPV6_ADDR_MULTICAST ||
+	    (!(idev->dev->flags & IFF_LOOPBACK) &&
+	     addr_type & IPV6_ADDR_LOOPBACK))
+		return ERR_PTR(-EADDRNOTAVAIL);
 
 	rcu_read_lock_bh();
 	if (idev->dead) {
@@ -777,7 +802,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 		ipv6_addr_prefix(&prefix, &ifp->addr, ifp->prefix_len);
 		rt = rt6_lookup(net, &prefix, NULL, ifp->idev->dev->ifindex, 1);
 
-		if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
+		if (rt && addrconf_is_prefix_route(rt)) {
 			if (onlink == 0) {
 				ip6_del_rt(rt);
 				rt = NULL;
@@ -958,7 +983,8 @@ static inline int ipv6_saddr_preferred(int type)
 	return 0;
 }
 
-static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score,
+static int ipv6_get_saddr_eval(struct net *net,
+			       struct ipv6_saddr_score *score,
 			       struct ipv6_saddr_dst *dst,
 			       int i)
 {
@@ -1037,7 +1063,8 @@ static int ipv6_get_saddr_eval(struct ipv6_saddr_score *score,
 		break;
 	case IPV6_SADDR_RULE_LABEL:
 		/* Rule 6: Prefer matching label */
-		ret = ipv6_addr_label(&score->ifa->addr, score->addr_type,
+		ret = ipv6_addr_label(net,
+				      &score->ifa->addr, score->addr_type,
 				      score->ifa->idev->dev->ifindex) == dst->label;
 		break;
 #ifdef CONFIG_IPV6_PRIVACY
@@ -1091,7 +1118,7 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev,
 	dst.addr = daddr;
 	dst.ifindex = dst_dev ? dst_dev->ifindex : 0;
 	dst.scope = __ipv6_addr_src_scope(dst_type);
-	dst.label = ipv6_addr_label(daddr, dst_type, dst.ifindex);
+	dst.label = ipv6_addr_label(net, daddr, dst_type, dst.ifindex);
 	dst.prefs = prefs;
 
 	hiscore->rule = -1;
@@ -1159,8 +1186,8 @@ int ipv6_dev_get_saddr(struct net_device *dst_dev,
 			for (i = 0; i < IPV6_SADDR_RULE_MAX; i++) {
 				int minihiscore, miniscore;
 
-				minihiscore = ipv6_get_saddr_eval(hiscore, &dst, i);
-				miniscore = ipv6_get_saddr_eval(score, &dst, i);
+				minihiscore = ipv6_get_saddr_eval(net, hiscore, &dst, i);
+				miniscore = ipv6_get_saddr_eval(net, score, &dst, i);
 
 				if (minihiscore > miniscore) {
 					if (i == IPV6_SADDR_RULE_SCOPE &&
@@ -1400,6 +1427,20 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp)
 
 void addrconf_dad_failure(struct inet6_ifaddr *ifp)
 {
+	struct inet6_dev *idev = ifp->idev;
+	if (idev->cnf.accept_dad > 1 && !idev->cnf.disable_ipv6) {
+		struct in6_addr addr;
+
+		addr.s6_addr32[0] = htonl(0xfe800000);
+		addr.s6_addr32[1] = 0;
+
+		if (!ipv6_generate_eui64(addr.s6_addr + 8, idev->dev) &&
+		    ipv6_addr_equal(&ifp->addr, &addr)) {
+			/* DAD failed for link-local based on MAC address */
+			idev->cnf.disable_ipv6 = 1;
+		}
+	}
+
 	if (net_ratelimit())
 		printk(KERN_INFO "%s: duplicate address detected!\n", ifp->idev->dev->name);
 	addrconf_dad_stop(ifp);
@@ -1788,7 +1829,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 		rt = rt6_lookup(dev_net(dev), &pinfo->prefix, NULL,
 				dev->ifindex, 1);
 
-		if (rt && ((rt->rt6i_flags & (RTF_GATEWAY | RTF_DEFAULT)) == 0)) {
+		if (rt && addrconf_is_prefix_route(rt)) {
 			/* Autoconf prefix route */
 			if (valid_lft == 0) {
 				ip6_del_rt(rt);
@@ -1822,6 +1863,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 		struct inet6_ifaddr * ifp;
 		struct in6_addr addr;
 		int create = 0, update_lft = 0;
+		struct net *net = dev_net(dev);
 
 		if (pinfo->prefix_len == 64) {
 			memcpy(&addr, &pinfo->prefix, 8);
@@ -1840,7 +1882,7 @@ void addrconf_prefix_rcv(struct net_device *dev, u8 *opt, int len)
 
 ok:
 
-		ifp = ipv6_get_ifaddr(dev_net(dev), &addr, dev, 1);
+		ifp = ipv6_get_ifaddr(net, &addr, dev, 1);
 
 		if (ifp == NULL && valid_lft) {
 			int max_addresses = in6_dev->cnf.max_addresses;
@@ -1848,7 +1890,7 @@ ok:
 
 #ifdef CONFIG_IPV6_OPTIMISTIC_DAD
 			if (in6_dev->cnf.optimistic_dad &&
-			    !ipv6_devconf.forwarding)
+			    !net->ipv6.devconf_all->forwarding)
 				addr_flags = IFA_F_OPTIMISTIC;
 #endif
 
@@ -2277,7 +2319,7 @@ static void addrconf_add_linklocal(struct inet6_dev *idev, struct in6_addr *addr
 
 #ifdef CONFIG_IPV6_OPTIMISTIC_DAD
 	if (idev->cnf.optimistic_dad &&
-	    !ipv6_devconf.forwarding)
+	    !dev_net(idev->dev)->ipv6.devconf_all->forwarding)
 		addr_flags |= IFA_F_OPTIMISTIC;
 #endif
 
@@ -2732,6 +2774,7 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
 	spin_lock_bh(&ifp->lock);
 
 	if (dev->flags&(IFF_NOARP|IFF_LOOPBACK) ||
+	    idev->cnf.accept_dad < 1 ||
 	    !(ifp->flags&IFA_F_TENTATIVE) ||
 	    ifp->flags & IFA_F_NODAD) {
 		ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC);
@@ -2779,6 +2822,11 @@ static void addrconf_dad_timer(unsigned long data)
 		read_unlock_bh(&idev->lock);
 		goto out;
 	}
+	if (idev->cnf.accept_dad > 1 && idev->cnf.disable_ipv6) {
+		read_unlock_bh(&idev->lock);
+		addrconf_dad_failure(ifp);
+		return;
+	}
 	spin_lock_bh(&ifp->lock);
 	if (ifp->probes == 0) {
 		/*
@@ -3638,6 +3686,8 @@ static inline void ipv6_store_devconf(struct ipv6_devconf *cnf,
 #ifdef CONFIG_IPV6_MROUTE
 	array[DEVCONF_MC_FORWARDING] = cnf->mc_forwarding;
 #endif
+	array[DEVCONF_DISABLE_IPV6] = cnf->disable_ipv6;
+	array[DEVCONF_ACCEPT_DAD] = cnf->accept_dad;
 }
 
 static inline size_t inet6_if_nlmsg_size(void)
@@ -4197,6 +4247,22 @@ static struct addrconf_sysctl_table
 		},
 #endif
 		{
+			.ctl_name	=	CTL_UNNUMBERED,
+			.procname	=	"disable_ipv6",
+			.data		=	&ipv6_devconf.disable_ipv6,
+			.maxlen		=	sizeof(int),
+			.mode		=	0644,
+			.proc_handler	=	&proc_dointvec,
+		},
+		{
+			.ctl_name	=	CTL_UNNUMBERED,
+			.procname	=	"accept_dad",
+			.data		=	&ipv6_devconf.accept_dad,
+			.maxlen		=	sizeof(int),
+			.mode		=	0644,
+			.proc_handler	=	&proc_dointvec,
+		},
+		{
 			.ctl_name	=	0,	/* sentinel */
 		}
 	},
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 9bfa8846f26..08909039d87 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -29,6 +29,9 @@
  */
 struct ip6addrlbl_entry
 {
+#ifdef CONFIG_NET_NS
+	struct net *lbl_net;
+#endif
 	struct in6_addr prefix;
 	int prefixlen;
 	int ifindex;
@@ -46,6 +49,16 @@ static struct ip6addrlbl_table
 	u32 seq;
 } ip6addrlbl_table;
 
+static inline
+struct net *ip6addrlbl_net(const struct ip6addrlbl_entry *lbl)
+{
+#ifdef CONFIG_NET_NS
+	return lbl->lbl_net;
+#else
+	return &init_net;
+#endif
+}
+
 /*
  * Default policy table (RFC3484 + extensions)
  *
@@ -65,7 +78,7 @@ static struct ip6addrlbl_table
 
 #define IPV6_ADDR_LABEL_DEFAULT	0xffffffffUL
 
-static const __initdata struct ip6addrlbl_init_table
+static const __net_initdata struct ip6addrlbl_init_table
 {
 	const struct in6_addr *prefix;
 	int prefixlen;
@@ -108,6 +121,9 @@ static const __initdata struct ip6addrlbl_init_table
 /* Object management */
 static inline void ip6addrlbl_free(struct ip6addrlbl_entry *p)
 {
+#ifdef CONFIG_NET_NS
+	release_net(p->lbl_net);
+#endif
 	kfree(p);
 }
 
@@ -128,10 +144,13 @@ static inline void ip6addrlbl_put(struct ip6addrlbl_entry *p)
 }
 
 /* Find label */
-static int __ip6addrlbl_match(struct ip6addrlbl_entry *p,
+static int __ip6addrlbl_match(struct net *net,
+			      struct ip6addrlbl_entry *p,
 			      const struct in6_addr *addr,
 			      int addrtype, int ifindex)
 {
+	if (!net_eq(ip6addrlbl_net(p), net))
+		return 0;
 	if (p->ifindex && p->ifindex != ifindex)
 		return 0;
 	if (p->addrtype && p->addrtype != addrtype)
@@ -141,19 +160,21 @@ static int __ip6addrlbl_match(struct ip6addrlbl_entry *p,
 	return 1;
 }
 
-static struct ip6addrlbl_entry *__ipv6_addr_label(const struct in6_addr *addr,
+static struct ip6addrlbl_entry *__ipv6_addr_label(struct net *net,
+						  const struct in6_addr *addr,
 						  int type, int ifindex)
 {
 	struct hlist_node *pos;
 	struct ip6addrlbl_entry *p;
 	hlist_for_each_entry_rcu(p, pos, &ip6addrlbl_table.head, list) {
-		if (__ip6addrlbl_match(p, addr, type, ifindex))
+		if (__ip6addrlbl_match(net, p, addr, type, ifindex))
 			return p;
 	}
 	return NULL;
 }
 
-u32 ipv6_addr_label(const struct in6_addr *addr, int type, int ifindex)
+u32 ipv6_addr_label(struct net *net,
+		    const struct in6_addr *addr, int type, int ifindex)
 {
 	u32 label;
 	struct ip6addrlbl_entry *p;
@@ -161,7 +182,7 @@ u32 ipv6_addr_label(const struct in6_addr *addr, int type, int ifindex)
 	type &= IPV6_ADDR_MAPPED | IPV6_ADDR_COMPATv4 | IPV6_ADDR_LOOPBACK;
 
 	rcu_read_lock();
-	p = __ipv6_addr_label(addr, type, ifindex);
+	p = __ipv6_addr_label(net, addr, type, ifindex);
 	label = p ? p->label : IPV6_ADDR_LABEL_DEFAULT;
 	rcu_read_unlock();
 
@@ -174,7 +195,8 @@ u32 ipv6_addr_label(const struct in6_addr *addr, int type, int ifindex)
 }
 
 /* allocate one entry */
-static struct ip6addrlbl_entry *ip6addrlbl_alloc(const struct in6_addr *prefix,
+static struct ip6addrlbl_entry *ip6addrlbl_alloc(struct net *net,
+						 const struct in6_addr *prefix,
 						 int prefixlen, int ifindex,
 						 u32 label)
 {
@@ -216,6 +238,9 @@ static struct ip6addrlbl_entry *ip6addrlbl_alloc(const struct in6_addr *prefix,
 	newp->addrtype = addrtype;
 	newp->label = label;
 	INIT_HLIST_NODE(&newp->list);
+#ifdef CONFIG_NET_NS
+	newp->lbl_net = hold_net(net);
+#endif
 	atomic_set(&newp->refcnt, 1);
 	return newp;
 }
@@ -237,6 +262,7 @@ static int __ip6addrlbl_add(struct ip6addrlbl_entry *newp, int replace)
 		hlist_for_each_entry_safe(p, pos, n,
 					  &ip6addrlbl_table.head, list) {
 			if (p->prefixlen == newp->prefixlen &&
+			    net_eq(ip6addrlbl_net(p), ip6addrlbl_net(newp)) &&
 			    p->ifindex == newp->ifindex &&
 			    ipv6_addr_equal(&p->prefix, &newp->prefix)) {
 				if (!replace) {
@@ -261,7 +287,8 @@ out:
 }
 
 /* add a label */
-static int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
+static int ip6addrlbl_add(struct net *net,
+			  const struct in6_addr *prefix, int prefixlen,
 			  int ifindex, u32 label, int replace)
 {
 	struct ip6addrlbl_entry *newp;
@@ -274,7 +301,7 @@ static int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
 			(unsigned int)label,
 			replace);
 
-	newp = ip6addrlbl_alloc(prefix, prefixlen, ifindex, label);
+	newp = ip6addrlbl_alloc(net, prefix, prefixlen, ifindex, label);
 	if (IS_ERR(newp))
 		return PTR_ERR(newp);
 	spin_lock(&ip6addrlbl_table.lock);
@@ -286,7 +313,8 @@ static int ip6addrlbl_add(const struct in6_addr *prefix, int prefixlen,
 }
 
 /* remove a label */
-static int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
+static int __ip6addrlbl_del(struct net *net,
+			    const struct in6_addr *prefix, int prefixlen,
 			    int ifindex)
 {
 	struct ip6addrlbl_entry *p = NULL;
@@ -300,6 +328,7 @@ static int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
 
 	hlist_for_each_entry_safe(p, pos, n, &ip6addrlbl_table.head, list) {
 		if (p->prefixlen == prefixlen &&
+		    net_eq(ip6addrlbl_net(p), net) &&
 		    p->ifindex == ifindex &&
 		    ipv6_addr_equal(&p->prefix, prefix)) {
 			hlist_del_rcu(&p->list);
@@ -311,7 +340,8 @@ static int __ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
 	return ret;
 }
 
-static int ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
+static int ip6addrlbl_del(struct net *net,
+			  const struct in6_addr *prefix, int prefixlen,
 			  int ifindex)
 {
 	struct in6_addr prefix_buf;
@@ -324,13 +354,13 @@ static int ip6addrlbl_del(const struct in6_addr *prefix, int prefixlen,
 
 	ipv6_addr_prefix(&prefix_buf, prefix, prefixlen);
 	spin_lock(&ip6addrlbl_table.lock);
-	ret = __ip6addrlbl_del(&prefix_buf, prefixlen, ifindex);
+	ret = __ip6addrlbl_del(net, &prefix_buf, prefixlen, ifindex);
 	spin_unlock(&ip6addrlbl_table.lock);
 	return ret;
 }
 
 /* add default label */
-static __init int ip6addrlbl_init(void)
+static int __net_init ip6addrlbl_net_init(struct net *net)
 {
 	int err = 0;
 	int i;
@@ -338,7 +368,8 @@ static __init int ip6addrlbl_init(void)
 	ADDRLABEL(KERN_DEBUG "%s()\n", __func__);
 
 	for (i = 0; i < ARRAY_SIZE(ip6addrlbl_init_table); i++) {
-		int ret = ip6addrlbl_add(ip6addrlbl_init_table[i].prefix,
+		int ret = ip6addrlbl_add(net,
+					 ip6addrlbl_init_table[i].prefix,
 					 ip6addrlbl_init_table[i].prefixlen,
 					 0,
 					 ip6addrlbl_init_table[i].label, 0);
@@ -349,11 +380,32 @@ static __init int ip6addrlbl_init(void)
 	return err;
 }
 
+static void __net_exit ip6addrlbl_net_exit(struct net *net)
+{
+	struct ip6addrlbl_entry *p = NULL;
+	struct hlist_node *pos, *n;
+
+	/* Remove all labels belonging to the exiting net */
+	spin_lock(&ip6addrlbl_table.lock);
+	hlist_for_each_entry_safe(p, pos, n, &ip6addrlbl_table.head, list) {
+		if (net_eq(ip6addrlbl_net(p), net)) {
+			hlist_del_rcu(&p->list);
+			ip6addrlbl_put(p);
+		}
+	}
+	spin_unlock(&ip6addrlbl_table.lock);
+}
+
+static struct pernet_operations ipv6_addr_label_ops = {
+	.init = ip6addrlbl_net_init,
+	.exit = ip6addrlbl_net_exit,
+};
+
 int __init ipv6_addr_label_init(void)
 {
 	spin_lock_init(&ip6addrlbl_table.lock);
 
-	return ip6addrlbl_init();
+	return register_pernet_subsys(&ipv6_addr_label_ops);
 }
 
 static const struct nla_policy ifal_policy[IFAL_MAX+1] = {
@@ -371,9 +423,6 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
 	u32 label;
 	int err = 0;
 
-	if (net != &init_net)
-		return 0;
-
 	err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy);
 	if (err < 0)
 		return err;
@@ -385,7 +434,7 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
 		return -EINVAL;
 
 	if (ifal->ifal_index &&
-	    !__dev_get_by_index(&init_net, ifal->ifal_index))
+	    !__dev_get_by_index(net, ifal->ifal_index))
 		return -EINVAL;
 
 	if (!tb[IFAL_ADDRESS])
@@ -403,12 +452,12 @@ static int ip6addrlbl_newdel(struct sk_buff *skb, struct nlmsghdr *nlh,
 
 	switch(nlh->nlmsg_type) {
 	case RTM_NEWADDRLABEL:
-		err = ip6addrlbl_add(pfx, ifal->ifal_prefixlen,
+		err = ip6addrlbl_add(net, pfx, ifal->ifal_prefixlen,
 				     ifal->ifal_index, label,
 				     nlh->nlmsg_flags & NLM_F_REPLACE);
 		break;
 	case RTM_DELADDRLABEL:
-		err = ip6addrlbl_del(pfx, ifal->ifal_prefixlen,
+		err = ip6addrlbl_del(net, pfx, ifal->ifal_prefixlen,
 				     ifal->ifal_index);
 		break;
 	default:
@@ -458,12 +507,10 @@ static int ip6addrlbl_dump(struct sk_buff *skb, struct netlink_callback *cb)
 	int idx = 0, s_idx = cb->args[0];
 	int err;
 
-	if (net != &init_net)
-		return 0;
-
 	rcu_read_lock();
 	hlist_for_each_entry_rcu(p, pos, &ip6addrlbl_table.head, list) {
-		if (idx >= s_idx) {
+		if (idx >= s_idx &&
+		    net_eq(ip6addrlbl_net(p), net)) {
 			if ((err = ip6addrlbl_fill(skb, p,
 						   ip6addrlbl_table.seq,
 						   NETLINK_CB(cb->skb).pid,
@@ -499,9 +546,6 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
 	struct ip6addrlbl_entry *p;
 	struct sk_buff *skb;
 
-	if (net != &init_net)
-		return 0;
-
 	err = nlmsg_parse(nlh, sizeof(*ifal), tb, IFAL_MAX, ifal_policy);
 	if (err < 0)
 		return err;
@@ -513,7 +557,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
 		return -EINVAL;
 
 	if (ifal->ifal_index &&
-	    !__dev_get_by_index(&init_net, ifal->ifal_index))
+	    !__dev_get_by_index(net, ifal->ifal_index))
 		return -EINVAL;
 
 	if (!tb[IFAL_ADDRESS])
@@ -524,7 +568,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
 		return -EINVAL;
 
 	rcu_read_lock();
-	p = __ipv6_addr_label(addr, ipv6_addr_type(addr), ifal->ifal_index);
+	p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index);
 	if (p && ip6addrlbl_hold(p))
 		p = NULL;
 	lseq = ip6addrlbl_table.seq;
@@ -552,7 +596,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
 		goto out;
 	}
 
-	err = rtnl_unicast(skb, &init_net, NETLINK_CB(in_skb).pid);
+	err = rtnl_unicast(skb, net, NETLINK_CB(in_skb).pid);
 out:
 	return err;
 }
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index e84b3fd17fb..3d828bc4b1c 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -7,8 +7,6 @@
  *
  *	Adapted from linux/net/ipv4/af_inet.c
  *
- *	$Id: af_inet6.c,v 1.66 2002/02/01 22:01:04 davem Exp $
- *
  * 	Fixes:
  *	piggy, Karl Knutson	:	Socket protocol table
  * 	Hideaki YOSHIFUJI	:	sin6_scope_id support
@@ -61,9 +59,7 @@
 
 #include <asm/uaccess.h>
 #include <asm/system.h>
-#ifdef CONFIG_IPV6_MROUTE
 #include <linux/mroute6.h>
-#endif
 
 MODULE_AUTHOR("Cast of dozens");
 MODULE_DESCRIPTION("IPv6 protocol stack for Linux");
@@ -373,7 +369,7 @@ int inet6_release(struct socket *sock)
 
 EXPORT_SYMBOL(inet6_release);
 
-int inet6_destroy_sock(struct sock *sk)
+void inet6_destroy_sock(struct sock *sk)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct sk_buff *skb;
@@ -391,8 +387,6 @@ int inet6_destroy_sock(struct sock *sk)
 
 	if ((opt = xchg(&np->opt, NULL)) != NULL)
 		sock_kfree_s(sk, opt, opt->tot_len);
-
-	return 0;
 }
 
 EXPORT_SYMBOL_GPL(inet6_destroy_sock);
@@ -956,9 +950,9 @@ static int __init inet6_init(void)
 	err = icmpv6_init();
 	if (err)
 		goto icmp_fail;
-#ifdef CONFIG_IPV6_MROUTE
-	ip6_mr_init();
-#endif
+	err = ip6_mr_init();
+	if (err)
+		goto ipmr_fail;
 	err = ndisc_init();
 	if (err)
 		goto ndisc_fail;
@@ -1061,6 +1055,8 @@ netfilter_fail:
 igmp_fail:
 	ndisc_cleanup();
 ndisc_fail:
+	ip6_mr_cleanup();
+ipmr_fail:
 	icmpv6_cleanup();
 icmp_fail:
 	unregister_pernet_subsys(&inet6_net_ops);
@@ -1115,6 +1111,7 @@ static void __exit inet6_exit(void)
 	ipv6_netfilter_fini();
 	igmp6_cleanup();
 	ndisc_cleanup();
+	ip6_mr_cleanup();
 	icmpv6_cleanup();
 	rawv6_exit();
 
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 4e1b29fabdf..8336cd81cb4 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -60,7 +60,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex, struct in6_addr *addr)
 	struct inet6_dev *idev;
 	struct ipv6_ac_socklist *pac;
 	struct net *net = sock_net(sk);
-	int	ishost = !ipv6_devconf.forwarding;
+	int	ishost = !net->ipv6.devconf_all->forwarding;
 	int	err = 0;
 
 	if (!capable(CAP_NET_ADMIN))
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 0f0f94a4033..f7b535dec86 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: datagram.c,v 1.24 2002/02/01 22:01:04 davem Exp $
- *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index dcf94fdfb86..837c830d6d8 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -7,8 +7,6 @@
  *	Andi Kleen		<ak@muc.de>
  *	Alexey Kuznetsov	<kuznet@ms2.inr.ac.ru>
  *
- *	$Id: exthdrs.c,v 1.13 2001/06/19 15:58:56 davem Exp $
- *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
@@ -321,7 +319,7 @@ static int ipv6_rthdr_rcv(struct sk_buff *skb)
 	int n, i;
 	struct ipv6_rt_hdr *hdr;
 	struct rt0_hdr *rthdr;
-	int accept_source_route = ipv6_devconf.accept_source_route;
+	int accept_source_route = dev_net(skb->dev)->ipv6.devconf_all->accept_source_route;
 
 	idev = in6_dev_get(skb->dev);
 	if (idev) {
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index d42dd16d348..abedf95fdf2 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: icmp.c,v 1.38 2002/02/08 03:57:19 davem Exp $
- *
  *	Based on net/ipv4/icmp.c
  *
  *	RFC 1885
@@ -956,7 +954,8 @@ ctl_table ipv6_icmp_table_template[] = {
 		.data		= &init_net.ipv6.sysctl.icmpv6_time,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= &proc_dointvec_ms_jiffies,
+		.strategy	= &sysctl_ms_jiffies
 	},
 	{ .ctl_name = 0 },
 };
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index 580014aea4d..00a8a5f9380 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -68,7 +68,7 @@ struct sock *__inet6_lookup_established(struct net *net,
 	/* Optimize here for direct hit, only listening connections can
 	 * have wildcards anyways.
 	 */
-	unsigned int hash = inet6_ehashfn(daddr, hnum, saddr, sport);
+	unsigned int hash = inet6_ehashfn(net, daddr, hnum, saddr, sport);
 	struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash);
 	rwlock_t *lock = inet_ehash_lockp(hashinfo, hash);
 
@@ -104,7 +104,8 @@ struct sock *inet6_lookup_listener(struct net *net,
 	int score, hiscore = 0;
 
 	read_lock(&hashinfo->lhash_lock);
-	sk_for_each(sk, node, &hashinfo->listening_hash[inet_lhashfn(hnum)]) {
+	sk_for_each(sk, node,
+			&hashinfo->listening_hash[inet_lhashfn(net, hnum)]) {
 		if (net_eq(sock_net(sk), net) && inet_sk(sk)->num == hnum &&
 				sk->sk_family == PF_INET6) {
 			const struct ipv6_pinfo *np = inet6_sk(sk);
@@ -165,14 +166,14 @@ static int __inet6_check_established(struct inet_timewait_death_row *death_row,
 	const struct in6_addr *saddr = &np->daddr;
 	const int dif = sk->sk_bound_dev_if;
 	const __portpair ports = INET_COMBINED_PORTS(inet->dport, lport);
-	const unsigned int hash = inet6_ehashfn(daddr, lport, saddr,
+	struct net *net = sock_net(sk);
+	const unsigned int hash = inet6_ehashfn(net, daddr, lport, saddr,
 						inet->dport);
 	struct inet_ehash_bucket *head = inet_ehash_bucket(hinfo, hash);
 	rwlock_t *lock = inet_ehash_lockp(hinfo, hash);
 	struct sock *sk2;
 	const struct hlist_node *node;
 	struct inet_timewait_sock *tw;
-	struct net *net = sock_net(sk);
 
 	prefetch(head->chain.first);
 	write_lock(lock);
@@ -209,11 +210,11 @@ unique:
 
 	if (twp != NULL) {
 		*twp = tw;
-		NET_INC_STATS_BH(LINUX_MIB_TIMEWAITRECYCLED);
+		NET_INC_STATS_BH(twsk_net(tw), LINUX_MIB_TIMEWAITRECYCLED);
 	} else if (tw != NULL) {
 		/* Silly. Should hash-dance instead... */
 		inet_twsk_deschedule(tw, death_row);
-		NET_INC_STATS_BH(LINUX_MIB_TIMEWAITRECYCLED);
+		NET_INC_STATS_BH(twsk_net(tw), LINUX_MIB_TIMEWAITRECYCLED);
 
 		inet_twsk_put(tw);
 	}
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 1ee4fa17c12..4de2b9efcac 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: ip6_fib.c,v 1.25 2001/10/31 21:55:55 davem Exp $
- *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
diff --git a/net/ipv6/ip6_input.c b/net/ipv6/ip6_input.c
index 17eb48b8e32..7e14cccd056 100644
--- a/net/ipv6/ip6_input.c
+++ b/net/ipv6/ip6_input.c
@@ -6,8 +6,6 @@
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *	Ian P. Morris		<I.P.Morris@soton.ac.uk>
  *
- *	$Id: ip6_input.c,v 1.19 2000/12/13 18:31:50 davem Exp $
- *
  *	Based in linux/net/ipv4/ip_input.c
  *
  *	This program is free software; you can redistribute it and/or
@@ -73,7 +71,8 @@ int ipv6_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt
 
 	IP6_INC_STATS_BH(idev, IPSTATS_MIB_INRECEIVES);
 
-	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL) {
+	if ((skb = skb_share_check(skb, GFP_ATOMIC)) == NULL ||
+	    !idev || unlikely(idev->cnf.disable_ipv6)) {
 		IP6_INC_STATS_BH(idev, IPSTATS_MIB_INDISCARDS);
 		rcu_read_unlock();
 		goto out;
@@ -250,7 +249,7 @@ int ip6_mc_input(struct sk_buff *skb)
 	/*
 	 *      IPv6 multicast router mode is now supported ;)
 	 */
-	if (ipv6_devconf.mc_forwarding &&
+	if (dev_net(skb->dev)->ipv6.devconf_all->mc_forwarding &&
 	    likely(!(IP6CB(skb)->flags & IP6SKB_FORWARDED))) {
 		/*
 		 * Okay, we try to forward - split and duplicate
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index 48cdce9c696..6407c64ea4a 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: ip6_output.c,v 1.34 2002/02/01 22:01:04 davem Exp $
- *
  *	Based on linux/net/ipv4/ip_output.c
  *
  *	This program is free software; you can redistribute it and/or
@@ -175,6 +173,13 @@ static inline int ip6_skb_dst_mtu(struct sk_buff *skb)
 
 int ip6_output(struct sk_buff *skb)
 {
+	struct inet6_dev *idev = ip6_dst_idev(skb->dst);
+	if (unlikely(idev->cnf.disable_ipv6)) {
+		IP6_INC_STATS(idev, IPSTATS_MIB_OUTDISCARDS);
+		kfree_skb(skb);
+		return 0;
+	}
+
 	if ((skb->len > ip6_skb_dst_mtu(skb) && !skb_is_gso(skb)) ||
 				dst_allfrag(skb->dst))
 		return ip6_fragment(skb, ip6_output2);
@@ -406,9 +411,12 @@ int ip6_forward(struct sk_buff *skb)
 	struct inet6_skb_parm *opt = IP6CB(skb);
 	struct net *net = dev_net(dst->dev);
 
-	if (ipv6_devconf.forwarding == 0)
+	if (net->ipv6.devconf_all->forwarding == 0)
 		goto error;
 
+	if (skb_warn_if_lro(skb))
+		goto drop;
+
 	if (!xfrm6_policy_check(NULL, XFRM_POLICY_FWD, skb)) {
 		IP6_INC_STATS(ip6_dst_idev(dst), IPSTATS_MIB_INDISCARDS);
 		goto drop;
@@ -450,7 +458,7 @@ int ip6_forward(struct sk_buff *skb)
 	}
 
 	/* XXX: idev->cnf.proxy_ndp? */
-	if (ipv6_devconf.proxy_ndp &&
+	if (net->ipv6.devconf_all->proxy_ndp &&
 	    pneigh_lookup(&nd_tbl, net, &hdr->daddr, skb->dev, 0)) {
 		int proxied = ip6_forward_proxy_check(skb);
 		if (proxied > 0)
@@ -497,7 +505,8 @@ int ip6_forward(struct sk_buff *skb)
 		int addrtype = ipv6_addr_type(&hdr->saddr);
 
 		/* This check is security critical. */
-		if (addrtype & (IPV6_ADDR_MULTICAST|IPV6_ADDR_LOOPBACK))
+		if (addrtype == IPV6_ADDR_ANY ||
+		    addrtype & (IPV6_ADDR_MULTICAST | IPV6_ADDR_LOOPBACK))
 			goto error;
 		if (addrtype & IPV6_ADDR_LINKLOCAL) {
 			icmpv6_send(skb, ICMPV6_DEST_UNREACH,
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 2bda3ba100b..17c7b098cdb 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -6,8 +6,6 @@
  *	Ville Nuorvala		<vnuorval@tcs.hut.fi>
  *	Yasuyuki Kozakai	<kozakai@linux-ipv6.org>
  *
- *	$Id$
- *
  *      Based on:
  *      linux/net/ipv6/sit.c and linux/net/ipv4/ipip.c
  *
@@ -711,7 +709,7 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
 		}
 
 		if (!ip6_tnl_rcv_ctl(t)) {
-			t->stat.rx_dropped++;
+			t->dev->stats.rx_dropped++;
 			read_unlock(&ip6_tnl_lock);
 			goto discard;
 		}
@@ -728,8 +726,8 @@ static int ip6_tnl_rcv(struct sk_buff *skb, __u16 protocol,
 
 		dscp_ecn_decapsulate(t, ipv6h, skb);
 
-		t->stat.rx_packets++;
-		t->stat.rx_bytes += skb->len;
+		t->dev->stats.rx_packets++;
+		t->dev->stats.rx_bytes += skb->len;
 		netif_rx(skb);
 		read_unlock(&ip6_tnl_lock);
 		return 0;
@@ -849,7 +847,7 @@ static int ip6_tnl_xmit2(struct sk_buff *skb,
 			 __u32 *pmtu)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
-	struct net_device_stats *stats = &t->stat;
+	struct net_device_stats *stats = &t->dev->stats;
 	struct ipv6hdr *ipv6h = ipv6_hdr(skb);
 	struct ipv6_tel_txoption opt;
 	struct dst_entry *dst;
@@ -1043,11 +1041,11 @@ static int
 ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
-	struct net_device_stats *stats = &t->stat;
+	struct net_device_stats *stats = &t->dev->stats;
 	int ret;
 
 	if (t->recursion++) {
-		t->stat.collisions++;
+		stats->collisions++;
 		goto tx_err;
 	}
 
@@ -1289,19 +1287,6 @@ ip6_tnl_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
 }
 
 /**
- * ip6_tnl_get_stats - return the stats for tunnel device
- *   @dev: virtual device associated with tunnel
- *
- * Return: stats for device
- **/
-
-static struct net_device_stats *
-ip6_tnl_get_stats(struct net_device *dev)
-{
-	return &(((struct ip6_tnl *)netdev_priv(dev))->stat);
-}
-
-/**
  * ip6_tnl_change_mtu - change mtu manually for tunnel device
  *   @dev: virtual device associated with tunnel
  *   @new_mtu: the new mtu
@@ -1334,7 +1319,6 @@ static void ip6_tnl_dev_setup(struct net_device *dev)
 	dev->uninit = ip6_tnl_dev_uninit;
 	dev->destructor = free_netdev;
 	dev->hard_start_xmit = ip6_tnl_xmit;
-	dev->get_stats = ip6_tnl_get_stats;
 	dev->do_ioctl = ip6_tnl_ioctl;
 	dev->change_mtu = ip6_tnl_change_mtu;
 
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 14796181e8b..095bc453ff4 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -388,8 +388,8 @@ static int pim6_rcv(struct sk_buff *skb)
 	skb->ip_summed = 0;
 	skb->pkt_type = PACKET_HOST;
 	dst_release(skb->dst);
-	((struct net_device_stats *)netdev_priv(reg_dev))->rx_bytes += skb->len;
-	((struct net_device_stats *)netdev_priv(reg_dev))->rx_packets++;
+	reg_dev->stats.rx_bytes += skb->len;
+	reg_dev->stats.rx_packets++;
 	skb->dst = NULL;
 	nf_reset(skb);
 	netif_rx(skb);
@@ -409,26 +409,20 @@ static struct inet6_protocol pim6_protocol = {
 static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	read_lock(&mrt_lock);
-	((struct net_device_stats *)netdev_priv(dev))->tx_bytes += skb->len;
-	((struct net_device_stats *)netdev_priv(dev))->tx_packets++;
+	dev->stats.tx_bytes += skb->len;
+	dev->stats.tx_packets++;
 	ip6mr_cache_report(skb, reg_vif_num, MRT6MSG_WHOLEPKT);
 	read_unlock(&mrt_lock);
 	kfree_skb(skb);
 	return 0;
 }
 
-static struct net_device_stats *reg_vif_get_stats(struct net_device *dev)
-{
-	return (struct net_device_stats *)netdev_priv(dev);
-}
-
 static void reg_vif_setup(struct net_device *dev)
 {
 	dev->type		= ARPHRD_PIMREG;
 	dev->mtu		= 1500 - sizeof(struct ipv6hdr) - 8;
 	dev->flags		= IFF_NOARP;
 	dev->hard_start_xmit	= reg_vif_xmit;
-	dev->get_stats		= reg_vif_get_stats;
 	dev->destructor		= free_netdev;
 }
 
@@ -436,9 +430,7 @@ static struct net_device *ip6mr_reg_vif(void)
 {
 	struct net_device *dev;
 
-	dev = alloc_netdev(sizeof(struct net_device_stats), "pim6reg",
-			   reg_vif_setup);
-
+	dev = alloc_netdev(0, "pim6reg", reg_vif_setup);
 	if (dev == NULL)
 		return NULL;
 
@@ -451,6 +443,7 @@ static struct net_device *ip6mr_reg_vif(void)
 	if (dev_open(dev))
 		goto failure;
 
+	dev_hold(dev);
 	return dev;
 
 failure:
@@ -603,6 +596,7 @@ static int mif6_add(struct mif6ctl *vifc, int mrtsock)
 	int vifi = vifc->mif6c_mifi;
 	struct mif_device *v = &vif6_table[vifi];
 	struct net_device *dev;
+	int err;
 
 	/* Is vif busy ? */
 	if (MIF_EXISTS(vifi))
@@ -620,20 +614,28 @@ static int mif6_add(struct mif6ctl *vifc, int mrtsock)
 		dev = ip6mr_reg_vif();
 		if (!dev)
 			return -ENOBUFS;
+		err = dev_set_allmulti(dev, 1);
+		if (err) {
+			unregister_netdevice(dev);
+			dev_put(dev);
+			return err;
+		}
 		break;
 #endif
 	case 0:
 		dev = dev_get_by_index(&init_net, vifc->mif6c_pifi);
 		if (!dev)
 			return -EADDRNOTAVAIL;
-		dev_put(dev);
+		err = dev_set_allmulti(dev, 1);
+		if (err) {
+			dev_put(dev);
+			return err;
+		}
 		break;
 	default:
 		return -EINVAL;
 	}
 
-	dev_set_allmulti(dev, 1);
-
 	/*
 	 *	Fill in the VIF structures
 	 */
@@ -652,7 +654,6 @@ static int mif6_add(struct mif6ctl *vifc, int mrtsock)
 
 	/* And finish update writing critical data */
 	write_lock_bh(&mrt_lock);
-	dev_hold(dev);
 	v->dev = dev;
 #ifdef CONFIG_IPV6_PIMSM_V2
 	if (v->flags & MIFF_REGISTER)
@@ -934,7 +935,7 @@ static int ip6mr_device_event(struct notifier_block *this,
 	struct mif_device *v;
 	int ct;
 
-	if (dev_net(dev) != &init_net)
+	if (!net_eq(dev_net(dev), &init_net))
 		return NOTIFY_DONE;
 
 	if (event != NETDEV_UNREGISTER)
@@ -956,23 +957,51 @@ static struct notifier_block ip6_mr_notifier = {
  *	Setup for IP multicast routing
  */
 
-void __init ip6_mr_init(void)
+int __init ip6_mr_init(void)
 {
+	int err;
+
 	mrt_cachep = kmem_cache_create("ip6_mrt_cache",
 				       sizeof(struct mfc6_cache),
 				       0, SLAB_HWCACHE_ALIGN,
 				       NULL);
 	if (!mrt_cachep)
-		panic("cannot allocate ip6_mrt_cache");
+		return -ENOMEM;
 
 	setup_timer(&ipmr_expire_timer, ipmr_expire_process, 0);
-	register_netdevice_notifier(&ip6_mr_notifier);
+	err = register_netdevice_notifier(&ip6_mr_notifier);
+	if (err)
+		goto reg_notif_fail;
+#ifdef CONFIG_PROC_FS
+	err = -ENOMEM;
+	if (!proc_net_fops_create(&init_net, "ip6_mr_vif", 0, &ip6mr_vif_fops))
+		goto proc_vif_fail;
+	if (!proc_net_fops_create(&init_net, "ip6_mr_cache",
+				     0, &ip6mr_mfc_fops))
+		goto proc_cache_fail;
+#endif
+	return 0;
+reg_notif_fail:
+	kmem_cache_destroy(mrt_cachep);
 #ifdef CONFIG_PROC_FS
-	proc_net_fops_create(&init_net, "ip6_mr_vif", 0, &ip6mr_vif_fops);
-	proc_net_fops_create(&init_net, "ip6_mr_cache", 0, &ip6mr_mfc_fops);
+proc_vif_fail:
+	unregister_netdevice_notifier(&ip6_mr_notifier);
+proc_cache_fail:
+	proc_net_remove(&init_net, "ip6_mr_vif");
 #endif
+	return err;
 }
 
+void ip6_mr_cleanup(void)
+{
+#ifdef CONFIG_PROC_FS
+	proc_net_remove(&init_net, "ip6_mr_cache");
+	proc_net_remove(&init_net, "ip6_mr_vif");
+#endif
+	unregister_netdevice_notifier(&ip6_mr_notifier);
+	del_timer(&ipmr_expire_timer);
+	kmem_cache_destroy(mrt_cachep);
+}
 
 static int ip6mr_mfc_add(struct mf6cctl *mfc, int mrtsock)
 {
@@ -1248,7 +1277,7 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, int
 
 #endif
 	/*
-	 *	Spurious command, or MRT_VERSION which you cannot
+	 *	Spurious command, or MRT6_VERSION which you cannot
 	 *	set.
 	 */
 	default:
@@ -1377,8 +1406,8 @@ static int ip6mr_forward2(struct sk_buff *skb, struct mfc6_cache *c, int vifi)
 	if (vif->flags & MIFF_REGISTER) {
 		vif->pkt_out++;
 		vif->bytes_out += skb->len;
-		((struct net_device_stats *)netdev_priv(vif->dev))->tx_bytes += skb->len;
-		((struct net_device_stats *)netdev_priv(vif->dev))->tx_packets++;
+		vif->dev->stats.tx_bytes += skb->len;
+		vif->dev->stats.tx_packets++;
 		ip6mr_cache_report(skb, vifi, MRT6MSG_WHOLEPKT);
 		kfree_skb(skb);
 		return 0;
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 86e28a75267..ea33b26512c 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -7,8 +7,6 @@
  *
  *	Based on linux/net/ipv4/ip_sockglue.c
  *
- *	$Id: ipv6_sockglue.c,v 1.41 2002/02/01 22:01:04 davem Exp $
- *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
@@ -61,7 +59,7 @@ DEFINE_SNMP_STAT(struct ipstats_mib, ipv6_statistics) __read_mostly;
 struct ip6_ra_chain *ip6_ra_chain;
 DEFINE_RWLOCK(ip6_ra_lock);
 
-int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
+int ip6_ra_control(struct sock *sk, int sel)
 {
 	struct ip6_ra_chain *ra, *new_ra, **rap;
 
@@ -83,8 +81,6 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
 			*rap = ra->next;
 			write_unlock_bh(&ip6_ra_lock);
 
-			if (ra->destructor)
-				ra->destructor(sk);
 			sock_put(sk);
 			kfree(ra);
 			return 0;
@@ -96,7 +92,6 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
 	}
 	new_ra->sk = sk;
 	new_ra->sel = sel;
-	new_ra->destructor = destructor;
 	new_ra->next = ra;
 	*rap = new_ra;
 	sock_hold(sk);
@@ -634,7 +629,7 @@ done:
 	case IPV6_ROUTER_ALERT:
 		if (optlen < sizeof(int))
 			goto e_inval;
-		retv = ip6_ra_control(sk, val, NULL);
+		retv = ip6_ra_control(sk, val);
 		break;
 	case IPV6_MTU_DISCOVER:
 		if (optlen < sizeof(int))
@@ -1043,7 +1038,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 			dst_release(dst);
 		}
 		if (val < 0)
-			val = ipv6_devconf.hop_limit;
+			val = sock_net(sk)->ipv6.devconf_all->hop_limit;
 		break;
 	}
 
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index fd632dd7f98..e7c03bcc278 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: mcast.c,v 1.40 2002/02/08 03:57:19 davem Exp $
- *
  *	Based on linux/ipv4/igmp.c and linux/ipv4/ip_sockglue.c
  *
  *	This program is free software; you can redistribute it and/or
@@ -153,7 +151,7 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
 #define IGMP6_UNSOLICITED_IVAL	(10*HZ)
 #define MLD_QRV_DEFAULT		2
 
-#define MLD_V1_SEEN(idev) (ipv6_devconf.force_mld_version == 1 || \
+#define MLD_V1_SEEN(idev) (dev_net((idev)->dev)->ipv6.devconf_all->force_mld_version == 1 || \
 		(idev)->cnf.force_mld_version == 1 || \
 		((idev)->mc_v1_seen && \
 		time_before(jiffies, (idev)->mc_v1_seen)))
@@ -164,7 +162,6 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
 	((MLDV2_MASK(value, nbmant) | (1<<(nbmant))) << \
 	(MLDV2_MASK((value) >> (nbmant), nbexp) + (nbexp))))
 
-#define MLDV2_QQIC(value) MLDV2_EXP(0x80, 4, 3, value)
 #define MLDV2_MRC(value) MLDV2_EXP(0x8000, 12, 3, value)
 
 #define IPV6_MLD_MAX_MSF	64
@@ -370,10 +367,6 @@ int ip6_mc_source(int add, int omode, struct sock *sk,
 	int pmclocked = 0;
 	int err;
 
-	if (pgsr->gsr_group.ss_family != AF_INET6 ||
-	    pgsr->gsr_source.ss_family != AF_INET6)
-		return -EINVAL;
-
 	source = &((struct sockaddr_in6 *)&pgsr->gsr_source)->sin6_addr;
 	group = &((struct sockaddr_in6 *)&pgsr->gsr_group)->sin6_addr;
 
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 282fdb31f8e..beb48e3f038 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -784,15 +784,17 @@ static void ndisc_recv_ns(struct sk_buff *skb)
 
 		idev = ifp->idev;
 	} else {
+		struct net *net = dev_net(dev);
+
 		idev = in6_dev_get(dev);
 		if (!idev) {
 			/* XXX: count this drop? */
 			return;
 		}
 
-		if (ipv6_chk_acast_addr(dev_net(dev), dev, &msg->target) ||
+		if (ipv6_chk_acast_addr(net, dev, &msg->target) ||
 		    (idev->cnf.forwarding &&
-		     (ipv6_devconf.proxy_ndp || idev->cnf.proxy_ndp) &&
+		     (net->ipv6.devconf_all->proxy_ndp || idev->cnf.proxy_ndp) &&
 		     (is_router = pndisc_is_router(&msg->target, dev)) >= 0)) {
 			if (!(NEIGH_CB(skb)->flags & LOCALLY_ENQUEUED) &&
 			    skb->pkt_type != PACKET_HOST &&
@@ -921,6 +923,7 @@ static void ndisc_recv_na(struct sk_buff *skb)
 
 	if (neigh) {
 		u8 old_flags = neigh->flags;
+		struct net *net = dev_net(dev);
 
 		if (neigh->nud_state & NUD_FAILED)
 			goto out;
@@ -931,8 +934,8 @@ static void ndisc_recv_na(struct sk_buff *skb)
 		 * has already sent a NA to us.
 		 */
 		if (lladdr && !memcmp(lladdr, dev->dev_addr, dev->addr_len) &&
-		    ipv6_devconf.forwarding && ipv6_devconf.proxy_ndp &&
-		    pneigh_lookup(&nd_tbl, dev_net(dev), &msg->target, dev, 0)) {
+		    net->ipv6.devconf_all->forwarding && net->ipv6.devconf_all->proxy_ndp &&
+		    pneigh_lookup(&nd_tbl, net, &msg->target, dev, 0)) {
 			/* XXX: idev->cnf.prixy_ndp */
 			goto out;
 		}
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index 6cae5475737..689dec899c5 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -208,5 +208,17 @@ config IP6_NF_RAW
 	  If you want to compile it as a module, say M here and read
 	  <file:Documentation/kbuild/modules.txt>.  If unsure, say `N'.
 
+# security table for MAC policy
+config IP6_NF_SECURITY
+       tristate "Security table"
+       depends on IP6_NF_IPTABLES
+       depends on SECURITY
+       default m if NETFILTER_ADVANCED=n
+       help
+         This option adds a `security' table to iptables, for use
+         with Mandatory Access Control (MAC) policy.
+        
+         If unsure, say N.
+
 endmenu
 
diff --git a/net/ipv6/netfilter/Makefile b/net/ipv6/netfilter/Makefile
index fbf2c14ed88..3f17c948eef 100644
--- a/net/ipv6/netfilter/Makefile
+++ b/net/ipv6/netfilter/Makefile
@@ -8,6 +8,7 @@ obj-$(CONFIG_IP6_NF_FILTER) += ip6table_filter.o
 obj-$(CONFIG_IP6_NF_MANGLE) += ip6table_mangle.o
 obj-$(CONFIG_IP6_NF_QUEUE) += ip6_queue.o
 obj-$(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
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 2eff3ae8977..5859c046cbc 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -159,7 +159,6 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
 	case IPQ_COPY_META:
 	case IPQ_COPY_NONE:
 		size = NLMSG_SPACE(sizeof(*pmsg));
-		data_len = 0;
 		break;
 
 	case IPQ_COPY_PACKET:
@@ -226,8 +225,6 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp)
 	return skb;
 
 nlmsg_failure:
-	if (skb)
-		kfree_skb(skb);
 	*errp = -EINVAL;
 	printk(KERN_ERR "ip6_queue: error creating packet message\n");
 	return NULL;
@@ -483,7 +480,7 @@ ipq_rcv_dev_event(struct notifier_block *this,
 {
 	struct net_device *dev = ptr;
 
-	if (dev_net(dev) != &init_net)
+	if (!net_eq(dev_net(dev), &init_net))
 		return NOTIFY_DONE;
 
 	/* Drop any packets associated with the downed device */
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index f979e48b469..55a2c290bad 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -61,13 +61,25 @@ static struct xt_table packet_filter = {
 
 /* The work comes in here from netfilter.c. */
 static unsigned int
-ip6t_hook(unsigned int hook,
-	 struct sk_buff *skb,
-	 const struct net_device *in,
-	 const struct net_device *out,
-	 int (*okfn)(struct sk_buff *))
+ip6t_local_in_hook(unsigned int hook,
+		   struct sk_buff *skb,
+		   const struct net_device *in,
+		   const struct net_device *out,
+		   int (*okfn)(struct sk_buff *))
+{
+	return ip6t_do_table(skb, hook, in, out,
+			     nf_local_in_net(in, out)->ipv6.ip6table_filter);
+}
+
+static unsigned int
+ip6t_forward_hook(unsigned int hook,
+		  struct sk_buff *skb,
+		  const struct net_device *in,
+		  const struct net_device *out,
+		  int (*okfn)(struct sk_buff *))
 {
-	return ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_filter);
+	return ip6t_do_table(skb, hook, in, out,
+			     nf_forward_net(in, out)->ipv6.ip6table_filter);
 }
 
 static unsigned int
@@ -87,19 +99,20 @@ ip6t_local_out_hook(unsigned int hook,
 	}
 #endif
 
-	return ip6t_do_table(skb, hook, in, out, init_net.ipv6.ip6table_filter);
+	return ip6t_do_table(skb, hook, in, out,
+			     nf_local_out_net(in, out)->ipv6.ip6table_filter);
 }
 
 static struct nf_hook_ops ip6t_ops[] __read_mostly = {
 	{
-		.hook		= ip6t_hook,
+		.hook		= ip6t_local_in_hook,
 		.owner		= THIS_MODULE,
 		.pf		= PF_INET6,
 		.hooknum	= NF_INET_LOCAL_IN,
 		.priority	= NF_IP6_PRI_FILTER,
 	},
 	{
-		.hook		= ip6t_hook,
+		.hook		= ip6t_forward_hook,
 		.owner		= THIS_MODULE,
 		.pf		= PF_INET6,
 		.hooknum	= NF_INET_FORWARD,
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
new file mode 100644
index 00000000000..a07abee3049
--- /dev/null
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -0,0 +1,172 @@
+/*
+ * "security" table for IPv6
+ *
+ * This is for use by Mandatory Access Control (MAC) security models,
+ * which need to be able to manage security policy in separate context
+ * to DAC.
+ *
+ * Based on iptable_mangle.c
+ *
+ * Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling
+ * Copyright (C) 2000-2004 Netfilter Core Team <coreteam <at> netfilter.org>
+ * Copyright (C) 2008 Red Hat, Inc., James Morris <jmorris <at> redhat.com>
+ *
+ * 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/module.h>
+#include <linux/netfilter_ipv6/ip6_tables.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("James Morris <jmorris <at> redhat.com>");
+MODULE_DESCRIPTION("ip6tables security table, for MAC rules");
+
+#define SECURITY_VALID_HOOKS	(1 << NF_INET_LOCAL_IN) | \
+				(1 << NF_INET_FORWARD) | \
+				(1 << NF_INET_LOCAL_OUT)
+
+static struct
+{
+	struct ip6t_replace repl;
+	struct ip6t_standard entries[3];
+	struct ip6t_error term;
+} initial_table __initdata = {
+	.repl = {
+		.name = "security",
+		.valid_hooks = SECURITY_VALID_HOOKS,
+		.num_entries = 4,
+		.size = sizeof(struct ip6t_standard) * 3 + sizeof(struct ip6t_error),
+		.hook_entry = {
+			[NF_INET_LOCAL_IN] 	= 0,
+			[NF_INET_FORWARD] 	= sizeof(struct ip6t_standard),
+			[NF_INET_LOCAL_OUT] 	= sizeof(struct ip6t_standard) * 2,
+		},
+		.underflow = {
+			[NF_INET_LOCAL_IN] 	= 0,
+			[NF_INET_FORWARD] 	= sizeof(struct ip6t_standard),
+			[NF_INET_LOCAL_OUT] 	= sizeof(struct ip6t_standard) * 2,
+		},
+	},
+	.entries = {
+		IP6T_STANDARD_INIT(NF_ACCEPT),	/* LOCAL_IN */
+		IP6T_STANDARD_INIT(NF_ACCEPT),	/* FORWARD */
+		IP6T_STANDARD_INIT(NF_ACCEPT),	/* LOCAL_OUT */
+	},
+	.term = IP6T_ERROR_INIT,		/* ERROR */
+};
+
+static struct xt_table security_table = {
+	.name		= "security",
+	.valid_hooks	= SECURITY_VALID_HOOKS,
+	.lock		= __RW_LOCK_UNLOCKED(security_table.lock),
+	.me		= THIS_MODULE,
+	.af		= AF_INET6,
+};
+
+static unsigned int
+ip6t_local_in_hook(unsigned int hook,
+		   struct sk_buff *skb,
+		   const struct net_device *in,
+		   const struct net_device *out,
+		   int (*okfn)(struct sk_buff *))
+{
+	return ip6t_do_table(skb, hook, in, out,
+			     nf_local_in_net(in, out)->ipv6.ip6table_security);
+}
+
+static unsigned int
+ip6t_forward_hook(unsigned int hook,
+		  struct sk_buff *skb,
+		  const struct net_device *in,
+		  const struct net_device *out,
+		  int (*okfn)(struct sk_buff *))
+{
+	return ip6t_do_table(skb, hook, in, out,
+			     nf_forward_net(in, out)->ipv6.ip6table_security);
+}
+
+static unsigned int
+ip6t_local_out_hook(unsigned int hook,
+		    struct sk_buff *skb,
+		    const struct net_device *in,
+		    const struct net_device *out,
+		    int (*okfn)(struct sk_buff *))
+{
+	/* TBD: handle short packets via raw socket */
+	return ip6t_do_table(skb, hook, in, out,
+			     nf_local_out_net(in, out)->ipv6.ip6table_security);
+}
+
+static struct nf_hook_ops ip6t_ops[] __read_mostly = {
+	{
+		.hook		= ip6t_local_in_hook,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET6,
+		.hooknum	= NF_INET_LOCAL_IN,
+		.priority	= NF_IP6_PRI_SECURITY,
+	},
+	{
+		.hook		= ip6t_forward_hook,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET6,
+		.hooknum	= NF_INET_FORWARD,
+		.priority	= NF_IP6_PRI_SECURITY,
+	},
+	{
+		.hook		= ip6t_local_out_hook,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET6,
+		.hooknum	= NF_INET_LOCAL_OUT,
+		.priority	= NF_IP6_PRI_SECURITY,
+	},
+};
+
+static int __net_init ip6table_security_net_init(struct net *net)
+{
+	net->ipv6.ip6table_security =
+		ip6t_register_table(net, &security_table, &initial_table.repl);
+
+	if (IS_ERR(net->ipv6.ip6table_security))
+		return PTR_ERR(net->ipv6.ip6table_security);
+
+	return 0;
+}
+
+static void __net_exit ip6table_security_net_exit(struct net *net)
+{
+	ip6t_unregister_table(net->ipv6.ip6table_security);
+}
+
+static struct pernet_operations ip6table_security_net_ops = {
+	.init = ip6table_security_net_init,
+	.exit = ip6table_security_net_exit,
+};
+
+static int __init ip6table_security_init(void)
+{
+	int ret;
+
+	ret = register_pernet_subsys(&ip6table_security_net_ops);
+	if (ret < 0)
+		return ret;
+
+	ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
+	if (ret < 0)
+		goto cleanup_table;
+
+	return ret;
+
+cleanup_table:
+	unregister_pernet_subsys(&ip6table_security_net_ops);
+	return ret;
+}
+
+static void __exit ip6table_security_fini(void)
+{
+	nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
+	unregister_pernet_subsys(&ip6table_security_net_ops);
+}
+
+module_init(ip6table_security_init);
+module_exit(ip6table_security_fini);
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index ee713b03e9e..14d47d83354 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -89,9 +89,8 @@ static int icmpv6_packet(struct nf_conn *ct,
 	   means this will only run once even if count hits zero twice
 	   (theoretically possible with SMP) */
 	if (CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY) {
-		if (atomic_dec_and_test(&ct->proto.icmp.count)
-		    && del_timer(&ct->timeout))
-			ct->timeout.function((unsigned long)ct);
+		if (atomic_dec_and_test(&ct->proto.icmp.count))
+			nf_ct_kill_acct(ct, ctinfo, skb);
 	} else {
 		atomic_inc(&ct->proto.icmp.count);
 		nf_conntrack_event_cache(IPCT_PROTOINFO_VOLATILE, skb);
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index df0736a4caf..f82f6074cf8 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -7,8 +7,6 @@
  *		PROC file system.  This is very similar to the IPv4 version,
  *		except it reports the sockets in the INET6 address family.
  *
- * Version:	$Id: proc.c,v 1.17 2002/02/01 22:01:04 davem Exp $
- *
  * Authors:	David S. Miller (davem@caip.rutgers.edu)
  * 		YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
  *
@@ -185,32 +183,7 @@ static int snmp6_seq_show(struct seq_file *seq, void *v)
 
 static int sockstat6_seq_open(struct inode *inode, struct file *file)
 {
-	int err;
-	struct net *net;
-
-	err = -ENXIO;
-	net = get_proc_net(inode);
-	if (net == NULL)
-		goto err_net;
-
-	err = single_open(file, sockstat6_seq_show, net);
-	if (err < 0)
-		goto err_open;
-
-	return 0;
-
-err_open:
-	put_net(net);
-err_net:
-	return err;
-}
-
-static int sockstat6_seq_release(struct inode *inode, struct file *file)
-{
-	struct net *net = ((struct seq_file *)file->private_data)->private;
-
-	put_net(net);
-	return single_release(inode, file);
+	return single_open_net(inode, file, sockstat6_seq_show);
 }
 
 static const struct file_operations sockstat6_seq_fops = {
@@ -218,7 +191,7 @@ static const struct file_operations sockstat6_seq_fops = {
 	.open	 = sockstat6_seq_open,
 	.read	 = seq_read,
 	.llseek	 = seq_lseek,
-	.release = sockstat6_seq_release,
+	.release = single_release_net,
 };
 
 static int snmp6_seq_open(struct inode *inode, struct file *file)
@@ -241,7 +214,7 @@ int snmp6_register_dev(struct inet6_dev *idev)
 	if (!idev || !idev->dev)
 		return -EINVAL;
 
-	if (dev_net(idev->dev) != &init_net)
+	if (!net_eq(dev_net(idev->dev), &init_net))
 		return 0;
 
 	if (!proc_net_devsnmp6)
diff --git a/net/ipv6/protocol.c b/net/ipv6/protocol.c
index f929f47b925..9ab78915991 100644
--- a/net/ipv6/protocol.c
+++ b/net/ipv6/protocol.c
@@ -5,8 +5,6 @@
  *
  *		PF_INET6 protocol dispatch tables.
  *
- * Version:	$Id: protocol.c,v 1.10 2001/05/18 02:25:49 davem Exp $
- *
  * Authors:	Pedro Roque	<roque@di.fc.ul.pt>
  *
  *		This program is free software; you can redistribute it and/or
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 3aee12310d9..01d47674f7e 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -7,8 +7,6 @@
  *
  *	Adapted from linux/net/ipv4/raw.c
  *
- *	$Id: raw.c,v 1.51 2002/02/01 22:01:04 davem Exp $
- *
  *	Fixes:
  *	Hideaki YOSHIFUJI	:	sin6_scope_id support
  *	YOSHIFUJI,H.@USAGI	:	raw checksum (RFC2292(bis) compliance)
@@ -1159,18 +1157,18 @@ static int rawv6_ioctl(struct sock *sk, int cmd, unsigned long arg)
 static void rawv6_close(struct sock *sk, long timeout)
 {
 	if (inet_sk(sk)->num == IPPROTO_RAW)
-		ip6_ra_control(sk, -1, NULL);
+		ip6_ra_control(sk, -1);
 	ip6mr_sk_done(sk);
 	sk_common_release(sk);
 }
 
-static int raw6_destroy(struct sock *sk)
+static void raw6_destroy(struct sock *sk)
 {
 	lock_sock(sk);
 	ip6_flush_pending_frames(sk);
 	release_sock(sk);
 
-	return inet6_destroy_sock(sk);
+	inet6_destroy_sock(sk);
 }
 
 static int rawv6_init_sk(struct sock *sk)
@@ -1253,7 +1251,7 @@ static int raw6_seq_show(struct seq_file *seq, void *v)
 			   "local_address                         "
 			   "remote_address                        "
 			   "st tx_queue rx_queue tr tm->when retrnsmt"
-			   "   uid  timeout inode  drops\n");
+			   "   uid  timeout inode ref pointer drops\n");
 	else
 		raw6_sock_seq_show(seq, v, raw_seq_private(seq)->bucket);
 	return 0;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index a60d7d12971..6ab957ec2dd 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: reassembly.c,v 1.26 2001/03/07 22:00:57 davem Exp $
- *
  *	Based on: net/ipv4/ip_fragment.c
  *
  *	This program is free software; you can redistribute it and/or
@@ -634,7 +632,7 @@ static struct inet6_protocol frag_protocol =
 };
 
 #ifdef CONFIG_SYSCTL
-static struct ctl_table ip6_frags_ctl_table[] = {
+static struct ctl_table ip6_frags_ns_ctl_table[] = {
 	{
 		.ctl_name	= NET_IPV6_IP6FRAG_HIGH_THRESH,
 		.procname	= "ip6frag_high_thresh",
@@ -660,6 +658,10 @@ static struct ctl_table ip6_frags_ctl_table[] = {
 		.proc_handler	= &proc_dointvec_jiffies,
 		.strategy	= &sysctl_jiffies,
 	},
+	{ }
+};
+
+static struct ctl_table ip6_frags_ctl_table[] = {
 	{
 		.ctl_name	= NET_IPV6_IP6FRAG_SECRET_INTERVAL,
 		.procname	= "ip6frag_secret_interval",
@@ -672,21 +674,20 @@ static struct ctl_table ip6_frags_ctl_table[] = {
 	{ }
 };
 
-static int ip6_frags_sysctl_register(struct net *net)
+static int ip6_frags_ns_sysctl_register(struct net *net)
 {
 	struct ctl_table *table;
 	struct ctl_table_header *hdr;
 
-	table = ip6_frags_ctl_table;
+	table = ip6_frags_ns_ctl_table;
 	if (net != &init_net) {
-		table = kmemdup(table, sizeof(ip6_frags_ctl_table), GFP_KERNEL);
+		table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL);
 		if (table == NULL)
 			goto err_alloc;
 
 		table[0].data = &net->ipv6.frags.high_thresh;
 		table[1].data = &net->ipv6.frags.low_thresh;
 		table[2].data = &net->ipv6.frags.timeout;
-		table[3].mode &= ~0222;
 	}
 
 	hdr = register_net_sysctl_table(net, net_ipv6_ctl_path, table);
@@ -703,7 +704,7 @@ err_alloc:
 	return -ENOMEM;
 }
 
-static void ip6_frags_sysctl_unregister(struct net *net)
+static void ip6_frags_ns_sysctl_unregister(struct net *net)
 {
 	struct ctl_table *table;
 
@@ -711,13 +712,36 @@ static void ip6_frags_sysctl_unregister(struct net *net)
 	unregister_net_sysctl_table(net->ipv6.sysctl.frags_hdr);
 	kfree(table);
 }
+
+static struct ctl_table_header *ip6_ctl_header;
+
+static int ip6_frags_sysctl_register(void)
+{
+	ip6_ctl_header = register_net_sysctl_rotable(net_ipv6_ctl_path,
+			ip6_frags_ctl_table);
+	return ip6_ctl_header == NULL ? -ENOMEM : 0;
+}
+
+static void ip6_frags_sysctl_unregister(void)
+{
+	unregister_net_sysctl_table(ip6_ctl_header);
+}
 #else
-static inline int ip6_frags_sysctl_register(struct net *net)
+static inline int ip6_frags_ns_sysctl_register(struct net *net)
 {
 	return 0;
 }
 
-static inline void ip6_frags_sysctl_unregister(struct net *net)
+static inline void ip6_frags_ns_sysctl_unregister(struct net *net)
+{
+}
+
+static inline int ip6_frags_sysctl_register(void)
+{
+	return 0;
+}
+
+static inline void ip6_frags_sysctl_unregister(void)
 {
 }
 #endif
@@ -730,12 +754,12 @@ static int ipv6_frags_init_net(struct net *net)
 
 	inet_frags_init_net(&net->ipv6.frags);
 
-	return ip6_frags_sysctl_register(net);
+	return ip6_frags_ns_sysctl_register(net);
 }
 
 static void ipv6_frags_exit_net(struct net *net)
 {
-	ip6_frags_sysctl_unregister(net);
+	ip6_frags_ns_sysctl_unregister(net);
 	inet_frags_exit_net(&net->ipv6.frags, &ip6_frags);
 }
 
@@ -752,7 +776,13 @@ int __init ipv6_frag_init(void)
 	if (ret)
 		goto out;
 
-	register_pernet_subsys(&ip6_frags_ops);
+	ret = ip6_frags_sysctl_register();
+	if (ret)
+		goto err_sysctl;
+
+	ret = register_pernet_subsys(&ip6_frags_ops);
+	if (ret)
+		goto err_pernet;
 
 	ip6_frags.hashfn = ip6_hashfn;
 	ip6_frags.constructor = ip6_frag_init;
@@ -765,11 +795,18 @@ int __init ipv6_frag_init(void)
 	inet_frags_init(&ip6_frags);
 out:
 	return ret;
+
+err_pernet:
+	ip6_frags_sysctl_unregister();
+err_sysctl:
+	inet6_del_protocol(&frag_protocol, IPPROTO_FRAGMENT);
+	goto out;
 }
 
 void ipv6_frag_exit(void)
 {
 	inet_frags_fini(&ip6_frags);
+	ip6_frags_sysctl_unregister();
 	unregister_pernet_subsys(&ip6_frags_ops);
 	inet6_del_protocol(&frag_protocol, IPPROTO_FRAGMENT);
 }
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 7ff687020fa..615b328de25 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: route.c,v 1.56 2001/10/31 21:55:55 davem Exp $
- *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
@@ -230,7 +228,7 @@ static __inline__ int rt6_check_expired(const struct rt6_info *rt)
 static inline int rt6_need_strict(struct in6_addr *daddr)
 {
 	return (ipv6_addr_type(daddr) &
-		(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL));
+		(IPV6_ADDR_MULTICAST | IPV6_ADDR_LINKLOCAL | IPV6_ADDR_LOOPBACK));
 }
 
 /*
@@ -239,15 +237,20 @@ static inline int rt6_need_strict(struct in6_addr *daddr)
 
 static inline struct rt6_info *rt6_device_match(struct net *net,
 						    struct rt6_info *rt,
+						    struct in6_addr *saddr,
 						    int oif,
 						    int flags)
 {
 	struct rt6_info *local = NULL;
 	struct rt6_info *sprt;
 
-	if (oif) {
-		for (sprt = rt; sprt; sprt = sprt->u.dst.rt6_next) {
-			struct net_device *dev = sprt->rt6i_dev;
+	if (!oif && ipv6_addr_any(saddr))
+		goto out;
+
+	for (sprt = rt; sprt; sprt = sprt->u.dst.rt6_next) {
+		struct net_device *dev = sprt->rt6i_dev;
+
+		if (oif) {
 			if (dev->ifindex == oif)
 				return sprt;
 			if (dev->flags & IFF_LOOPBACK) {
@@ -261,14 +264,21 @@ static inline struct rt6_info *rt6_device_match(struct net *net,
 				}
 				local = sprt;
 			}
+		} else {
+			if (ipv6_chk_addr(net, saddr, dev,
+					  flags & RT6_LOOKUP_F_IFACE))
+				return sprt;
 		}
+	}
 
+	if (oif) {
 		if (local)
 			return local;
 
 		if (flags & RT6_LOOKUP_F_IFACE)
 			return net->ipv6.ip6_null_entry;
 	}
+out:
 	return rt;
 }
 
@@ -541,7 +551,7 @@ static struct rt6_info *ip6_pol_route_lookup(struct net *net,
 	fn = fib6_lookup(&table->tb6_root, &fl->fl6_dst, &fl->fl6_src);
 restart:
 	rt = fn->leaf;
-	rt = rt6_device_match(net, rt, fl->oif, flags);
+	rt = rt6_device_match(net, rt, &fl->fl6_src, fl->oif, flags);
 	BACKTRACK(net, &fl->fl6_src);
 out:
 	dst_use(&rt->u.dst, jiffies);
@@ -666,7 +676,7 @@ static struct rt6_info *ip6_pol_route(struct net *net, struct fib6_table *table,
 	int strict = 0;
 	int attempts = 3;
 	int err;
-	int reachable = ipv6_devconf.forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
+	int reachable = net->ipv6.devconf_all->forwarding ? 0 : RT6_LOOKUP_F_REACHABLE;
 
 	strict |= flags & RT6_LOOKUP_F_IFACE;
 
@@ -1048,7 +1058,7 @@ int ip6_dst_hoplimit(struct dst_entry *dst)
 			hoplimit = idev->cnf.hop_limit;
 			in6_dev_put(idev);
 		} else
-			hoplimit = ipv6_devconf.hop_limit;
+			hoplimit = dev_net(dev)->ipv6.devconf_all->hop_limit;
 	}
 	return hoplimit;
 }
@@ -2406,26 +2416,7 @@ static int ipv6_route_show(struct seq_file *m, void *v)
 
 static int ipv6_route_open(struct inode *inode, struct file *file)
 {
-	int err;
-	struct net *net = get_proc_net(inode);
-	if (!net)
-		return -ENXIO;
-
-	err = single_open(file, ipv6_route_show, net);
-	if (err < 0) {
-		put_net(net);
-		return err;
-	}
-
-	return 0;
-}
-
-static int ipv6_route_release(struct inode *inode, struct file *file)
-{
-	struct seq_file *seq = file->private_data;
-	struct net *net = seq->private;
-	put_net(net);
-	return single_release(inode, file);
+	return single_open_net(inode, file, ipv6_route_show);
 }
 
 static const struct file_operations ipv6_route_proc_fops = {
@@ -2433,7 +2424,7 @@ static const struct file_operations ipv6_route_proc_fops = {
 	.open		= ipv6_route_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
-	.release	= ipv6_route_release,
+	.release	= single_release_net,
 };
 
 static int rt6_stats_seq_show(struct seq_file *seq, void *v)
@@ -2453,26 +2444,7 @@ static int rt6_stats_seq_show(struct seq_file *seq, void *v)
 
 static int rt6_stats_seq_open(struct inode *inode, struct file *file)
 {
-	int err;
-	struct net *net = get_proc_net(inode);
-	if (!net)
-		return -ENXIO;
-
-	err = single_open(file, rt6_stats_seq_show, net);
-	if (err < 0) {
-		put_net(net);
-		return err;
-	}
-
-	return 0;
-}
-
-static int rt6_stats_seq_release(struct inode *inode, struct file *file)
-{
-	struct seq_file *seq = file->private_data;
-	struct net *net = (struct net *)seq->private;
-	put_net(net);
-	return single_release(inode, file);
+	return single_open_net(inode, file, rt6_stats_seq_show);
 }
 
 static const struct file_operations rt6_stats_seq_fops = {
@@ -2480,7 +2452,7 @@ static const struct file_operations rt6_stats_seq_fops = {
 	.open	 = rt6_stats_seq_open,
 	.read	 = seq_read,
 	.llseek	 = seq_lseek,
-	.release = rt6_stats_seq_release,
+	.release = single_release_net,
 };
 #endif	/* CONFIG_PROC_FS */
 
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 32e871a6c25..b7a50e96850 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -6,8 +6,6 @@
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *	Alexey Kuznetsov	<kuznet@ms2.inr.ac.ru>
  *
- *	$Id: sit.c,v 1.53 2001/09/25 05:09:53 davem Exp $
- *
  *	This program is free software; you can redistribute it and/or
  *      modify it under the terms of the GNU General Public License
  *      as published by the Free Software Foundation; either version
@@ -493,13 +491,13 @@ static int ipip6_rcv(struct sk_buff *skb)
 
 		if ((tunnel->dev->priv_flags & IFF_ISATAP) &&
 		    !isatap_chksrc(skb, iph, tunnel)) {
-			tunnel->stat.rx_errors++;
+			tunnel->dev->stats.rx_errors++;
 			read_unlock(&ipip6_lock);
 			kfree_skb(skb);
 			return 0;
 		}
-		tunnel->stat.rx_packets++;
-		tunnel->stat.rx_bytes += skb->len;
+		tunnel->dev->stats.rx_packets++;
+		tunnel->dev->stats.rx_bytes += skb->len;
 		skb->dev = tunnel->dev;
 		dst_release(skb->dst);
 		skb->dst = NULL;
@@ -539,7 +537,7 @@ static inline __be32 try_6to4(struct in6_addr *v6dst)
 static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
-	struct net_device_stats *stats = &tunnel->stat;
+	struct net_device_stats *stats = &tunnel->dev->stats;
 	struct iphdr  *tiph = &tunnel->parms.iph;
 	struct ipv6hdr *iph6 = ipv6_hdr(skb);
 	u8     tos = tunnel->parms.iph.tos;
@@ -553,7 +551,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 	int addr_type;
 
 	if (tunnel->recursion++) {
-		tunnel->stat.collisions++;
+		stats->collisions++;
 		goto tx_error;
 	}
 
@@ -620,20 +618,20 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 				    .oif = tunnel->parms.link,
 				    .proto = IPPROTO_IPV6 };
 		if (ip_route_output_key(dev_net(dev), &rt, &fl)) {
-			tunnel->stat.tx_carrier_errors++;
+			stats->tx_carrier_errors++;
 			goto tx_error_icmp;
 		}
 	}
 	if (rt->rt_type != RTN_UNICAST) {
 		ip_rt_put(rt);
-		tunnel->stat.tx_carrier_errors++;
+		stats->tx_carrier_errors++;
 		goto tx_error_icmp;
 	}
 	tdev = rt->u.dst.dev;
 
 	if (tdev == dev) {
 		ip_rt_put(rt);
-		tunnel->stat.collisions++;
+		stats->collisions++;
 		goto tx_error;
 	}
 
@@ -643,7 +641,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 		mtu = skb->dst ? dst_mtu(skb->dst) : dev->mtu;
 
 	if (mtu < 68) {
-		tunnel->stat.collisions++;
+		stats->collisions++;
 		ip_rt_put(rt);
 		goto tx_error;
 	}
@@ -920,11 +918,6 @@ done:
 	return err;
 }
 
-static struct net_device_stats *ipip6_tunnel_get_stats(struct net_device *dev)
-{
-	return &(((struct ip_tunnel*)netdev_priv(dev))->stat);
-}
-
 static int ipip6_tunnel_change_mtu(struct net_device *dev, int new_mtu)
 {
 	if (new_mtu < IPV6_MIN_MTU || new_mtu > 0xFFF8 - sizeof(struct iphdr))
@@ -938,7 +931,6 @@ static void ipip6_tunnel_setup(struct net_device *dev)
 	dev->uninit		= ipip6_tunnel_uninit;
 	dev->destructor 	= free_netdev;
 	dev->hard_start_xmit	= ipip6_tunnel_xmit;
-	dev->get_stats		= ipip6_tunnel_get_stats;
 	dev->do_ioctl		= ipip6_tunnel_ioctl;
 	dev->change_mtu		= ipip6_tunnel_change_mtu;
 
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 3ecc1157994..6a68eeb7bbf 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -137,7 +137,7 @@ __u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mssp)
 		;
 	*mssp = msstab[mssind] + 1;
 
-	NET_INC_STATS_BH(LINUX_MIB_SYNCOOKIESSENT);
+	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESSENT);
 
 	return secure_tcp_syn_cookie(&iph->saddr, &iph->daddr, th->source,
 				     th->dest, ntohl(th->seq),
@@ -177,11 +177,11 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 
 	if (time_after(jiffies, tp->last_synq_overflow + TCP_TIMEOUT_INIT) ||
 		(mss = cookie_check(skb, cookie)) == 0) {
-		NET_INC_STATS_BH(LINUX_MIB_SYNCOOKIESFAILED);
+		NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESFAILED);
 		goto out;
 	}
 
-	NET_INC_STATS_BH(LINUX_MIB_SYNCOOKIESRECV);
+	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_SYNCOOKIESRECV);
 
 	/* check for timestamp cookie support */
 	memset(&tcp_opt, 0, sizeof(tcp_opt));
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index 3804dcbbfab..5c99274558b 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -37,6 +37,10 @@ static ctl_table ipv6_table_template[] = {
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec
 	},
+	{ .ctl_name = 0 }
+};
+
+static ctl_table ipv6_table[] = {
 	{
 		.ctl_name	= NET_IPV6_MLD_MAX_MSF,
 		.procname	= "mld_max_msf",
@@ -80,12 +84,6 @@ static int ipv6_sysctl_net_init(struct net *net)
 
 	ipv6_table[2].data = &net->ipv6.sysctl.bindv6only;
 
-	/* We don't want this value to be per namespace, it should be global
-	   to all namespaces, so make it read-only when we are not in the
-	   init network namespace */
-	if (net != &init_net)
-		ipv6_table[3].mode = 0444;
-
 	net->ipv6.sysctl.table = register_net_sysctl_table(net, net_ipv6_ctl_path,
 							   ipv6_table);
 	if (!net->ipv6.sysctl.table)
@@ -126,12 +124,29 @@ static struct pernet_operations ipv6_sysctl_net_ops = {
 	.exit = ipv6_sysctl_net_exit,
 };
 
+static struct ctl_table_header *ip6_header;
+
 int ipv6_sysctl_register(void)
 {
-	return register_pernet_subsys(&ipv6_sysctl_net_ops);
+	int err = -ENOMEM;;
+
+	ip6_header = register_net_sysctl_rotable(net_ipv6_ctl_path, ipv6_table);
+	if (ip6_header == NULL)
+		goto out;
+
+	err = register_pernet_subsys(&ipv6_sysctl_net_ops);
+	if (err)
+		goto err_pernet;
+out:
+	return err;
+
+err_pernet:
+	unregister_net_sysctl_table(ip6_header);
+	goto out;
 }
 
 void ipv6_sysctl_unregister(void)
 {
+	unregister_net_sysctl_table(ip6_header);
 	unregister_pernet_subsys(&ipv6_sysctl_net_ops);
 }
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 40ea9c36d24..ae45f983501 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -5,8 +5,6 @@
  *	Authors:
  *	Pedro Roque		<roque@di.fc.ul.pt>
  *
- *	$Id: tcp_ipv6.c,v 1.144 2002/02/01 22:01:04 davem Exp $
- *
  *	Based on:
  *	linux/net/ipv4/tcp.c
  *	linux/net/ipv4/tcp_input.c
@@ -72,8 +70,6 @@
 
 static void	tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb);
 static void	tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req);
-static void	tcp_v6_send_check(struct sock *sk, int len,
-				  struct sk_buff *skb);
 
 static int	tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb);
 
@@ -82,6 +78,12 @@ static struct inet_connection_sock_af_ops ipv6_specific;
 #ifdef CONFIG_TCP_MD5SIG
 static struct tcp_sock_af_ops tcp_sock_ipv6_specific;
 static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific;
+#else
+static struct tcp_md5sig_key *tcp_v6_md5_do_lookup(struct sock *sk,
+						   struct in6_addr *addr)
+{
+	return NULL;
+}
 #endif
 
 static void tcp_v6_hash(struct sock *sk)
@@ -321,8 +323,9 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	int err;
 	struct tcp_sock *tp;
 	__u32 seq;
+	struct net *net = dev_net(skb->dev);
 
-	sk = inet6_lookup(dev_net(skb->dev), &tcp_hashinfo, &hdr->daddr,
+	sk = inet6_lookup(net, &tcp_hashinfo, &hdr->daddr,
 			th->dest, &hdr->saddr, th->source, skb->dev->ifindex);
 
 	if (sk == NULL) {
@@ -337,7 +340,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 
 	bh_lock_sock(sk);
 	if (sock_owned_by_user(sk))
-		NET_INC_STATS_BH(LINUX_MIB_LOCKDROPPEDICMPS);
+		NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS);
 
 	if (sk->sk_state == TCP_CLOSE)
 		goto out;
@@ -346,7 +349,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	seq = ntohl(th->seq);
 	if (sk->sk_state != TCP_LISTEN &&
 	    !between(seq, tp->snd_una, tp->snd_nxt)) {
-		NET_INC_STATS_BH(LINUX_MIB_OUTOFWINDOWICMPS);
+		NET_INC_STATS_BH(net, LINUX_MIB_OUTOFWINDOWICMPS);
 		goto out;
 	}
 
@@ -421,7 +424,7 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 		BUG_TRAP(req->sk == NULL);
 
 		if (seq != tcp_rsk(req)->snt_isn) {
-			NET_INC_STATS_BH(LINUX_MIB_OUTOFWINDOWICMPS);
+			NET_INC_STATS_BH(net, LINUX_MIB_OUTOFWINDOWICMPS);
 			goto out;
 		}
 
@@ -733,109 +736,105 @@ static int tcp_v6_parse_md5_keys (struct sock *sk, char __user *optval,
 	return tcp_v6_md5_do_add(sk, &sin6->sin6_addr, newkey, cmd.tcpm_keylen);
 }
 
-static int tcp_v6_do_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
-				   struct in6_addr *saddr,
-				   struct in6_addr *daddr,
-				   struct tcphdr *th, int protocol,
-				   unsigned int tcplen)
+static int tcp_v6_md5_hash_pseudoheader(struct tcp_md5sig_pool *hp,
+					struct in6_addr *daddr,
+					struct in6_addr *saddr, int nbytes)
 {
-	struct scatterlist sg[4];
-	__u16 data_len;
-	int block = 0;
-	__sum16 cksum;
-	struct tcp_md5sig_pool *hp;
 	struct tcp6_pseudohdr *bp;
-	struct hash_desc *desc;
-	int err;
-	unsigned int nbytes = 0;
+	struct scatterlist sg;
 
-	hp = tcp_get_md5sig_pool();
-	if (!hp) {
-		printk(KERN_WARNING "%s(): hash pool not found...\n", __func__);
-		goto clear_hash_noput;
-	}
 	bp = &hp->md5_blk.ip6;
-	desc = &hp->md5_desc;
-
 	/* 1. TCP pseudo-header (RFC2460) */
 	ipv6_addr_copy(&bp->saddr, saddr);
 	ipv6_addr_copy(&bp->daddr, daddr);
-	bp->len = htonl(tcplen);
-	bp->protocol = htonl(protocol);
-
-	sg_init_table(sg, 4);
-
-	sg_set_buf(&sg[block++], bp, sizeof(*bp));
-	nbytes += sizeof(*bp);
+	bp->protocol = cpu_to_be32(IPPROTO_TCP);
+	bp->len = cpu_to_be16(nbytes);
 
-	/* 2. TCP header, excluding options */
-	cksum = th->check;
-	th->check = 0;
-	sg_set_buf(&sg[block++], th, sizeof(*th));
-	nbytes += sizeof(*th);
-
-	/* 3. TCP segment data (if any) */
-	data_len = tcplen - (th->doff << 2);
-	if (data_len > 0) {
-		u8 *data = (u8 *)th + (th->doff << 2);
-		sg_set_buf(&sg[block++], data, data_len);
-		nbytes += data_len;
-	}
+	sg_init_one(&sg, bp, sizeof(*bp));
+	return crypto_hash_update(&hp->md5_desc, &sg, sizeof(*bp));
+}
 
-	/* 4. shared key */
-	sg_set_buf(&sg[block++], key->key, key->keylen);
-	nbytes += key->keylen;
+static int tcp_v6_md5_hash_hdr(char *md5_hash, struct tcp_md5sig_key *key,
+			       struct in6_addr *daddr, struct in6_addr *saddr,
+			       struct tcphdr *th)
+{
+	struct tcp_md5sig_pool *hp;
+	struct hash_desc *desc;
 
-	sg_mark_end(&sg[block - 1]);
+	hp = tcp_get_md5sig_pool();
+	if (!hp)
+		goto clear_hash_noput;
+	desc = &hp->md5_desc;
 
-	/* Now store the hash into the packet */
-	err = crypto_hash_init(desc);
-	if (err) {
-		printk(KERN_WARNING "%s(): hash_init failed\n", __func__);
+	if (crypto_hash_init(desc))
 		goto clear_hash;
-	}
-	err = crypto_hash_update(desc, sg, nbytes);
-	if (err) {
-		printk(KERN_WARNING "%s(): hash_update failed\n", __func__);
+	if (tcp_v6_md5_hash_pseudoheader(hp, daddr, saddr, th->doff << 2))
 		goto clear_hash;
-	}
-	err = crypto_hash_final(desc, md5_hash);
-	if (err) {
-		printk(KERN_WARNING "%s(): hash_final failed\n", __func__);
+	if (tcp_md5_hash_header(hp, th))
+		goto clear_hash;
+	if (tcp_md5_hash_key(hp, key))
+		goto clear_hash;
+	if (crypto_hash_final(desc, md5_hash))
 		goto clear_hash;
-	}
 
-	/* Reset header, and free up the crypto */
 	tcp_put_md5sig_pool();
-	th->check = cksum;
-out:
 	return 0;
+
 clear_hash:
 	tcp_put_md5sig_pool();
 clear_hash_noput:
 	memset(md5_hash, 0, 16);
-	goto out;
+	return 1;
 }
 
-static int tcp_v6_calc_md5_hash(char *md5_hash, struct tcp_md5sig_key *key,
-				struct sock *sk,
-				struct dst_entry *dst,
-				struct request_sock *req,
-				struct tcphdr *th, int protocol,
-				unsigned int tcplen)
+static int tcp_v6_md5_hash_skb(char *md5_hash, struct tcp_md5sig_key *key,
+			       struct sock *sk, struct request_sock *req,
+			       struct sk_buff *skb)
 {
 	struct in6_addr *saddr, *daddr;
+	struct tcp_md5sig_pool *hp;
+	struct hash_desc *desc;
+	struct tcphdr *th = tcp_hdr(skb);
 
 	if (sk) {
 		saddr = &inet6_sk(sk)->saddr;
 		daddr = &inet6_sk(sk)->daddr;
-	} else {
+	} else if (req) {
 		saddr = &inet6_rsk(req)->loc_addr;
 		daddr = &inet6_rsk(req)->rmt_addr;
+	} else {
+		struct ipv6hdr *ip6h = ipv6_hdr(skb);
+		saddr = &ip6h->saddr;
+		daddr = &ip6h->daddr;
 	}
-	return tcp_v6_do_calc_md5_hash(md5_hash, key,
-				       saddr, daddr,
-				       th, protocol, tcplen);
+
+	hp = tcp_get_md5sig_pool();
+	if (!hp)
+		goto clear_hash_noput;
+	desc = &hp->md5_desc;
+
+	if (crypto_hash_init(desc))
+		goto clear_hash;
+
+	if (tcp_v6_md5_hash_pseudoheader(hp, daddr, saddr, skb->len))
+		goto clear_hash;
+	if (tcp_md5_hash_header(hp, th))
+		goto clear_hash;
+	if (tcp_md5_hash_skb_data(hp, skb, th->doff << 2))
+		goto clear_hash;
+	if (tcp_md5_hash_key(hp, key))
+		goto clear_hash;
+	if (crypto_hash_final(desc, md5_hash))
+		goto clear_hash;
+
+	tcp_put_md5sig_pool();
+	return 0;
+
+clear_hash:
+	tcp_put_md5sig_pool();
+clear_hash_noput:
+	memset(md5_hash, 0, 16);
+	return 1;
 }
 
 static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
@@ -844,43 +843,12 @@ static int tcp_v6_inbound_md5_hash (struct sock *sk, struct sk_buff *skb)
 	struct tcp_md5sig_key *hash_expected;
 	struct ipv6hdr *ip6h = ipv6_hdr(skb);
 	struct tcphdr *th = tcp_hdr(skb);
-	int length = (th->doff << 2) - sizeof (*th);
 	int genhash;
-	u8 *ptr;
 	u8 newhash[16];
 
 	hash_expected = tcp_v6_md5_do_lookup(sk, &ip6h->saddr);
+	hash_location = tcp_parse_md5sig_option(th);
 
-	/* If the TCP option is too short, we can short cut */
-	if (length < TCPOLEN_MD5SIG)
-		return hash_expected ? 1 : 0;
-
-	/* parse options */
-	ptr = (u8*)(th + 1);
-	while (length > 0) {
-		int opcode = *ptr++;
-		int opsize;
-
-		switch(opcode) {
-		case TCPOPT_EOL:
-			goto done_opts;
-		case TCPOPT_NOP:
-			length--;
-			continue;
-		default:
-			opsize = *ptr++;
-			if (opsize < 2 || opsize > length)
-				goto done_opts;
-			if (opcode == TCPOPT_MD5SIG) {
-				hash_location = ptr;
-				goto done_opts;
-			}
-		}
-		ptr += opsize - 2;
-		length -= opsize;
-	}
-
-done_opts:
 	/* do we have a hash as expected? */
 	if (!hash_expected) {
 		if (!hash_location)
@@ -907,11 +875,10 @@ done_opts:
 	}
 
 	/* check the signature */
-	genhash = tcp_v6_do_calc_md5_hash(newhash,
-					  hash_expected,
-					  &ip6h->saddr, &ip6h->daddr,
-					  th, sk->sk_protocol,
-					  skb->len);
+	genhash = tcp_v6_md5_hash_skb(newhash,
+				      hash_expected,
+				      NULL, NULL, skb);
+
 	if (genhash || memcmp(hash_location, newhash, 16) != 0) {
 		if (net_ratelimit()) {
 			printk(KERN_INFO "MD5 Hash %s for "
@@ -1048,10 +1015,9 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 			       (TCPOPT_NOP << 16) |
 			       (TCPOPT_MD5SIG << 8) |
 			       TCPOLEN_MD5SIG);
-		tcp_v6_do_calc_md5_hash((__u8 *)&opt[1], key,
-					&ipv6_hdr(skb)->daddr,
-					&ipv6_hdr(skb)->saddr,
-					t1, IPPROTO_TCP, tot_len);
+		tcp_v6_md5_hash_hdr((__u8 *)&opt[1], key,
+				    &ipv6_hdr(skb)->daddr,
+				    &ipv6_hdr(skb)->saddr, t1);
 	}
 #endif
 
@@ -1079,8 +1045,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 
 		if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
 			ip6_xmit(ctl_sk, buff, &fl, NULL, 0);
-			TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
-			TCP_INC_STATS_BH(TCP_MIB_OUTRSTS);
+			TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
+			TCP_INC_STATS_BH(net, TCP_MIB_OUTRSTS);
 			return;
 		}
 	}
@@ -1088,8 +1054,8 @@ static void tcp_v6_send_reset(struct sock *sk, struct sk_buff *skb)
 	kfree_skb(buff);
 }
 
-static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
-			    struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts)
+static void tcp_v6_send_ack(struct sk_buff *skb, u32 seq, u32 ack, u32 win, u32 ts,
+			    struct tcp_md5sig_key *key)
 {
 	struct tcphdr *th = tcp_hdr(skb), *t1;
 	struct sk_buff *buff;
@@ -1098,22 +1064,6 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
 	struct sock *ctl_sk = net->ipv6.tcp_sk;
 	unsigned int tot_len = sizeof(struct tcphdr);
 	__be32 *topt;
-#ifdef CONFIG_TCP_MD5SIG
-	struct tcp_md5sig_key *key;
-	struct tcp_md5sig_key tw_key;
-#endif
-
-#ifdef CONFIG_TCP_MD5SIG
-	if (!tw && skb->sk) {
-		key = tcp_v6_md5_do_lookup(skb->sk, &ipv6_hdr(skb)->daddr);
-	} else if (tw && tw->tw_md5_keylen) {
-		tw_key.key = tw->tw_md5_key;
-		tw_key.keylen = tw->tw_md5_keylen;
-		key = &tw_key;
-	} else {
-		key = NULL;
-	}
-#endif
 
 	if (ts)
 		tot_len += TCPOLEN_TSTAMP_ALIGNED;
@@ -1154,10 +1104,9 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
 	if (key) {
 		*topt++ = htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) |
 				(TCPOPT_MD5SIG << 8) | TCPOLEN_MD5SIG);
-		tcp_v6_do_calc_md5_hash((__u8 *)topt, key,
-					&ipv6_hdr(skb)->daddr,
-					&ipv6_hdr(skb)->saddr,
-					t1, IPPROTO_TCP, tot_len);
+		tcp_v6_md5_hash_hdr((__u8 *)topt, key,
+				    &ipv6_hdr(skb)->daddr,
+				    &ipv6_hdr(skb)->saddr, t1);
 	}
 #endif
 
@@ -1180,7 +1129,7 @@ static void tcp_v6_send_ack(struct tcp_timewait_sock *tw,
 	if (!ip6_dst_lookup(ctl_sk, &buff->dst, &fl)) {
 		if (xfrm_lookup(&buff->dst, &fl, NULL, 0) >= 0) {
 			ip6_xmit(ctl_sk, buff, &fl, NULL, 0);
-			TCP_INC_STATS_BH(TCP_MIB_OUTSEGS);
+			TCP_INC_STATS_BH(net, TCP_MIB_OUTSEGS);
 			return;
 		}
 	}
@@ -1193,16 +1142,17 @@ static void tcp_v6_timewait_ack(struct sock *sk, struct sk_buff *skb)
 	struct inet_timewait_sock *tw = inet_twsk(sk);
 	struct tcp_timewait_sock *tcptw = tcp_twsk(sk);
 
-	tcp_v6_send_ack(tcptw, skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
+	tcp_v6_send_ack(skb, tcptw->tw_snd_nxt, tcptw->tw_rcv_nxt,
 			tcptw->tw_rcv_wnd >> tw->tw_rcv_wscale,
-			tcptw->tw_ts_recent);
+			tcptw->tw_ts_recent, tcp_twsk_md5_key(tcptw));
 
 	inet_twsk_put(tw);
 }
 
 static void tcp_v6_reqsk_send_ack(struct sk_buff *skb, struct request_sock *req)
 {
-	tcp_v6_send_ack(NULL, skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd, req->ts_recent);
+	tcp_v6_send_ack(skb, tcp_rsk(req)->snt_isn + 1, tcp_rsk(req)->rcv_isn + 1, req->rcv_wnd, req->ts_recent,
+			tcp_v6_md5_do_lookup(skb->sk, &ipv6_hdr(skb)->daddr));
 }
 
 
@@ -1538,9 +1488,9 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 	return newsk;
 
 out_overflow:
-	NET_INC_STATS_BH(LINUX_MIB_LISTENOVERFLOWS);
+	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENOVERFLOWS);
 out:
-	NET_INC_STATS_BH(LINUX_MIB_LISTENDROPS);
+	NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
 	if (opt && opt != np->opt)
 		sock_kfree_s(sk, opt, opt->tot_len);
 	dst_release(dst);
@@ -1669,7 +1619,7 @@ discard:
 	kfree_skb(skb);
 	return 0;
 csum_err:
-	TCP_INC_STATS_BH(TCP_MIB_INERRS);
+	TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_INERRS);
 	goto discard;
 
 
@@ -1707,6 +1657,7 @@ static int tcp_v6_rcv(struct sk_buff *skb)
 	struct tcphdr *th;
 	struct sock *sk;
 	int ret;
+	struct net *net = dev_net(skb->dev);
 
 	if (skb->pkt_type != PACKET_HOST)
 		goto discard_it;
@@ -1714,7 +1665,7 @@ static int tcp_v6_rcv(struct sk_buff *skb)
 	/*
 	 *	Count it even if it's bad.
 	 */
-	TCP_INC_STATS_BH(TCP_MIB_INSEGS);
+	TCP_INC_STATS_BH(net, TCP_MIB_INSEGS);
 
 	if (!pskb_may_pull(skb, sizeof(struct tcphdr)))
 		goto discard_it;
@@ -1738,7 +1689,7 @@ static int tcp_v6_rcv(struct sk_buff *skb)
 	TCP_SKB_CB(skb)->flags = ipv6_get_dsfield(ipv6_hdr(skb));
 	TCP_SKB_CB(skb)->sacked = 0;
 
-	sk = __inet6_lookup(dev_net(skb->dev), &tcp_hashinfo,
+	sk = __inet6_lookup(net, &tcp_hashinfo,
 			&ipv6_hdr(skb)->saddr, th->source,
 			&ipv6_hdr(skb)->daddr, ntohs(th->dest),
 			inet6_iif(skb));
@@ -1786,7 +1737,7 @@ no_tcp_socket:
 
 	if (skb->len < (th->doff<<2) || tcp_checksum_complete(skb)) {
 bad_packet:
-		TCP_INC_STATS_BH(TCP_MIB_INERRS);
+		TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
 	} else {
 		tcp_v6_send_reset(NULL, skb);
 	}
@@ -1811,7 +1762,7 @@ do_time_wait:
 	}
 
 	if (skb->len < (th->doff<<2) || tcp_checksum_complete(skb)) {
-		TCP_INC_STATS_BH(TCP_MIB_INERRS);
+		TCP_INC_STATS_BH(net, TCP_MIB_INERRS);
 		inet_twsk_put(inet_twsk(sk));
 		goto discard_it;
 	}
@@ -1871,7 +1822,7 @@ static struct inet_connection_sock_af_ops ipv6_specific = {
 #ifdef CONFIG_TCP_MD5SIG
 static struct tcp_sock_af_ops tcp_sock_ipv6_specific = {
 	.md5_lookup	=	tcp_v6_md5_lookup,
-	.calc_md5_hash	=	tcp_v6_calc_md5_hash,
+	.calc_md5_hash	=	tcp_v6_md5_hash_skb,
 	.md5_add	=	tcp_v6_md5_add_func,
 	.md5_parse	=	tcp_v6_parse_md5_keys,
 };
@@ -1903,7 +1854,7 @@ static struct inet_connection_sock_af_ops ipv6_mapped = {
 #ifdef CONFIG_TCP_MD5SIG
 static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific = {
 	.md5_lookup	=	tcp_v4_md5_lookup,
-	.calc_md5_hash	=	tcp_v4_calc_md5_hash,
+	.calc_md5_hash	=	tcp_v4_md5_hash_skb,
 	.md5_add	=	tcp_v6_md5_add_func,
 	.md5_parse	=	tcp_v6_parse_md5_keys,
 };
@@ -1960,7 +1911,7 @@ static int tcp_v6_init_sock(struct sock *sk)
 	return 0;
 }
 
-static int tcp_v6_destroy_sock(struct sock *sk)
+static void tcp_v6_destroy_sock(struct sock *sk)
 {
 #ifdef CONFIG_TCP_MD5SIG
 	/* Clean up the MD5 key list */
@@ -1968,7 +1919,7 @@ static int tcp_v6_destroy_sock(struct sock *sk)
 		tcp_v6_clear_md5_list(sk);
 #endif
 	tcp_v4_destroy_sock(sk);
-	return inet6_destroy_sock(sk);
+	inet6_destroy_sock(sk);
 }
 
 #ifdef CONFIG_PROC_FS
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index dd309626ae9..d1477b350f7 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -7,8 +7,6 @@
  *
  *	Based on linux/ipv4/udp.c
  *
- *	$Id: udp.c,v 1.65 2002/02/01 22:01:04 davem Exp $
- *
  *	Fixes:
  *	Hideaki YOSHIFUJI	:	sin6_scope_id support
  *	YOSHIFUJI Hideaki @USAGI and:	Support IPV6_V6ONLY socket option, which
@@ -67,7 +65,7 @@ static struct sock *__udp6_lib_lookup(struct net *net,
 	int badness = -1;
 
 	read_lock(&udp_hash_lock);
-	sk_for_each(sk, node, &udptable[hnum & (UDP_HTABLE_SIZE - 1)]) {
+	sk_for_each(sk, node, &udptable[udp_hashfn(net, hnum)]) {
 		struct inet_sock *inet = inet_sk(sk);
 
 		if (net_eq(sock_net(sk), net) && sk->sk_hash == hnum &&
@@ -168,7 +166,8 @@ try_again:
 		goto out_free;
 
 	if (!peeked)
-		UDP6_INC_STATS_USER(UDP_MIB_INDATAGRAMS, is_udplite);
+		UDP6_INC_STATS_USER(sock_net(sk),
+				UDP_MIB_INDATAGRAMS, is_udplite);
 
 	sock_recv_timestamp(msg, sk, skb);
 
@@ -215,7 +214,7 @@ out:
 csum_copy_err:
 	lock_sock(sk);
 	if (!skb_kill_datagram(sk, skb, flags))
-		UDP6_INC_STATS_USER(UDP_MIB_INERRORS, is_udplite);
+		UDP6_INC_STATS_USER(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
 	release_sock(sk);
 
 	if (flags & MSG_DONTWAIT)
@@ -299,14 +298,17 @@ int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
 
 	if ((rc = sock_queue_rcv_skb(sk,skb)) < 0) {
 		/* Note that an ENOMEM error is charged twice */
-		if (rc == -ENOMEM)
-			UDP6_INC_STATS_BH(UDP_MIB_RCVBUFERRORS, is_udplite);
+		if (rc == -ENOMEM) {
+			UDP6_INC_STATS_BH(sock_net(sk),
+					UDP_MIB_RCVBUFERRORS, is_udplite);
+			atomic_inc(&sk->sk_drops);
+		}
 		goto drop;
 	}
 
 	return 0;
 drop:
-	UDP6_INC_STATS_BH(UDP_MIB_INERRORS, is_udplite);
+	UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite);
 	kfree_skb(skb);
 	return -1;
 }
@@ -355,15 +357,16 @@ static struct sock *udp_v6_mcast_next(struct sock *sk,
  * Note: called only from the BH handler context,
  * so we don't need to lock the hashes.
  */
-static int __udp6_lib_mcast_deliver(struct sk_buff *skb, struct in6_addr *saddr,
-			   struct in6_addr *daddr, struct hlist_head udptable[])
+static int __udp6_lib_mcast_deliver(struct net *net, struct sk_buff *skb,
+		struct in6_addr *saddr, struct in6_addr *daddr,
+		struct hlist_head udptable[])
 {
 	struct sock *sk, *sk2;
 	const struct udphdr *uh = udp_hdr(skb);
 	int dif;
 
 	read_lock(&udp_hash_lock);
-	sk = sk_head(&udptable[ntohs(uh->dest) & (UDP_HTABLE_SIZE - 1)]);
+	sk = sk_head(&udptable[udp_hashfn(net, ntohs(uh->dest))]);
 	dif = inet6_iif(skb);
 	sk = udp_v6_mcast_next(sk, uh->dest, daddr, uh->source, saddr, dif);
 	if (!sk) {
@@ -437,6 +440,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
 	struct net_device *dev = skb->dev;
 	struct in6_addr *saddr, *daddr;
 	u32 ulen = 0;
+	struct net *net = dev_net(skb->dev);
 
 	if (!pskb_may_pull(skb, sizeof(struct udphdr)))
 		goto short_packet;
@@ -475,7 +479,8 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
 	 *	Multicast receive code
 	 */
 	if (ipv6_addr_is_multicast(daddr))
-		return __udp6_lib_mcast_deliver(skb, saddr, daddr, udptable);
+		return __udp6_lib_mcast_deliver(net, skb,
+				saddr, daddr, udptable);
 
 	/* Unicast */
 
@@ -483,7 +488,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
 	 * check socket cache ... must talk to Alan about his plans
 	 * for sock caches... i'll skip this for now.
 	 */
-	sk = __udp6_lib_lookup(dev_net(skb->dev), saddr, uh->source,
+	sk = __udp6_lib_lookup(net, saddr, uh->source,
 			       daddr, uh->dest, inet6_iif(skb), udptable);
 
 	if (sk == NULL) {
@@ -492,7 +497,8 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct hlist_head udptable[],
 
 		if (udp_lib_checksum_complete(skb))
 			goto discard;
-		UDP6_INC_STATS_BH(UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE);
+		UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS,
+				proto == IPPROTO_UDPLITE);
 
 		icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, dev);
 
@@ -517,7 +523,7 @@ short_packet:
 		       ulen, skb->len);
 
 discard:
-	UDP6_INC_STATS_BH(UDP_MIB_INERRORS, proto == IPPROTO_UDPLITE);
+	UDP6_INC_STATS_BH(net, UDP_MIB_INERRORS, proto == IPPROTO_UDPLITE);
 	kfree_skb(skb);
 	return 0;
 }
@@ -587,7 +593,8 @@ out:
 	up->len = 0;
 	up->pending = 0;
 	if (!err)
-		UDP6_INC_STATS_USER(UDP_MIB_OUTDATAGRAMS, is_udplite);
+		UDP6_INC_STATS_USER(sock_net(sk),
+				UDP_MIB_OUTDATAGRAMS, is_udplite);
 	return err;
 }
 
@@ -869,7 +876,8 @@ out:
 	 * seems like overkill.
 	 */
 	if (err == -ENOBUFS || test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) {
-		UDP6_INC_STATS_USER(UDP_MIB_SNDBUFERRORS, is_udplite);
+		UDP6_INC_STATS_USER(sock_net(sk),
+				UDP_MIB_SNDBUFERRORS, is_udplite);
 	}
 	return err;
 
@@ -881,15 +889,13 @@ do_confirm:
 	goto out;
 }
 
-int udpv6_destroy_sock(struct sock *sk)
+void udpv6_destroy_sock(struct sock *sk)
 {
 	lock_sock(sk);
 	udp_v6_flush_pending_frames(sk);
 	release_sock(sk);
 
 	inet6_destroy_sock(sk);
-
-	return 0;
 }
 
 /*
@@ -955,7 +961,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
 	srcp  = ntohs(inet->sport);
 	seq_printf(seq,
 		   "%4d: %08X%08X%08X%08X:%04X %08X%08X%08X%08X:%04X "
-		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p\n",
+		   "%02X %08X:%08X %02X:%08lX %08X %5d %8d %lu %d %p %d\n",
 		   bucket,
 		   src->s6_addr32[0], src->s6_addr32[1],
 		   src->s6_addr32[2], src->s6_addr32[3], srcp,
@@ -967,7 +973,8 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket
 		   0, 0L, 0,
 		   sock_i_uid(sp), 0,
 		   sock_i_ino(sp),
-		   atomic_read(&sp->sk_refcnt), sp);
+		   atomic_read(&sp->sk_refcnt), sp,
+		   atomic_read(&sp->sk_drops));
 }
 
 int udp6_seq_show(struct seq_file *seq, void *v)
@@ -978,7 +985,7 @@ int udp6_seq_show(struct seq_file *seq, void *v)
 			   "local_address                         "
 			   "remote_address                        "
 			   "st tx_queue rx_queue tr tm->when retrnsmt"
-			   "   uid  timeout inode\n");
+			   "   uid  timeout inode ref pointer drops\n");
 	else
 		udp6_sock_seq_show(seq, v, ((struct udp_iter_state *)seq->private)->bucket);
 	return 0;
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index 321b81a4d41..92dd7da766d 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -29,7 +29,7 @@ extern int	udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 			      struct msghdr *msg, size_t len,
 			      int noblock, int flags, int *addr_len);
 extern int	udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
-extern int	udpv6_destroy_sock(struct sock *sk);
+extern void	udpv6_destroy_sock(struct sock *sk);
 
 #ifdef CONFIG_PROC_FS
 extern int	udp6_seq_show(struct seq_file *seq, void *v);
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 491efd00a86..f6cdcb348e0 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -2,8 +2,6 @@
  *  UDPLITEv6   An implementation of the UDP-Lite protocol over IPv6.
  *              See also net/ipv4/udplite.c
  *
- *  Version:    $Id: udplite.c,v 1.9 2006/10/19 08:28:10 gerrit Exp $
- *
  *  Authors:    Gerrit Renker       <gerrit@erg.abdn.ac.uk>
  *
  *  Changes: