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

71 files changed, 3727 insertions, 1465 deletions

diff --git a/net/bridge/netfilter/ebt_ip6.c b/net/bridge/netfilter/ebt_ip6.c
index 50a46afc2bcc..2ed0056a39a8 100644
--- a/net/bridge/netfilter/ebt_ip6.c
+++ b/net/bridge/netfilter/ebt_ip6.c
@@ -22,9 +22,15 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_ip6.h>
 
-struct tcpudphdr {
-	__be16 src;
-	__be16 dst;
+union pkthdr {
+	struct {
+		__be16 src;
+		__be16 dst;
+	} tcpudphdr;
+	struct {
+		u8 type;
+		u8 code;
+	} icmphdr;
 };
 
 static bool
@@ -33,8 +39,8 @@ ebt_ip6_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	const struct ebt_ip6_info *info = par->matchinfo;
 	const struct ipv6hdr *ih6;
 	struct ipv6hdr _ip6h;
-	const struct tcpudphdr *pptr;
-	struct tcpudphdr _ports;
+	const union pkthdr *pptr;
+	union pkthdr _pkthdr;
 
 	ih6 = skb_header_pointer(skb, 0, sizeof(_ip6h), &_ip6h);
 	if (ih6 == NULL)
@@ -56,26 +62,34 @@ ebt_ip6_mt(const struct sk_buff *skb, struct xt_action_param *par)
 			return false;
 		if (FWINV(info->protocol != nexthdr, EBT_IP6_PROTO))
 			return false;
-		if (!(info->bitmask & EBT_IP6_DPORT) &&
-		    !(info->bitmask & EBT_IP6_SPORT))
+		if (!(info->bitmask & ( EBT_IP6_DPORT |
+					EBT_IP6_SPORT | EBT_IP6_ICMP6)))
 			return true;
-		pptr = skb_header_pointer(skb, offset_ph, sizeof(_ports),
-					  &_ports);
+
+		/* min icmpv6 headersize is 4, so sizeof(_pkthdr) is ok. */
+		pptr = skb_header_pointer(skb, offset_ph, sizeof(_pkthdr),
+					  &_pkthdr);
 		if (pptr == NULL)
 			return false;
 		if (info->bitmask & EBT_IP6_DPORT) {
-			u32 dst = ntohs(pptr->dst);
+			u16 dst = ntohs(pptr->tcpudphdr.dst);
 			if (FWINV(dst < info->dport[0] ||
 				  dst > info->dport[1], EBT_IP6_DPORT))
 				return false;
 		}
 		if (info->bitmask & EBT_IP6_SPORT) {
-			u32 src = ntohs(pptr->src);
+			u16 src = ntohs(pptr->tcpudphdr.src);
 			if (FWINV(src < info->sport[0] ||
 				  src > info->sport[1], EBT_IP6_SPORT))
 			return false;
 		}
-		return true;
+		if ((info->bitmask & EBT_IP6_ICMP6) &&
+		     FWINV(pptr->icmphdr.type < info->icmpv6_type[0] ||
+			   pptr->icmphdr.type > info->icmpv6_type[1] ||
+			   pptr->icmphdr.code < info->icmpv6_code[0] ||
+			   pptr->icmphdr.code > info->icmpv6_code[1],
+							EBT_IP6_ICMP6))
+			return false;
 	}
 	return true;
 }
@@ -103,6 +117,14 @@ static int ebt_ip6_mt_check(const struct xt_mtchk_param *par)
 		return -EINVAL;
 	if (info->bitmask & EBT_IP6_SPORT && info->sport[0] > info->sport[1])
 		return -EINVAL;
+	if (info->bitmask & EBT_IP6_ICMP6) {
+		if ((info->invflags & EBT_IP6_PROTO) ||
+		     info->protocol != IPPROTO_ICMPV6)
+			return -EINVAL;
+		if (info->icmpv6_type[0] > info->icmpv6_type[1] ||
+		    info->icmpv6_code[0] > info->icmpv6_code[1])
+			return -EINVAL;
+	}
 	return 0;
 }
 
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 16df0532d4b9..5f1825df9dca 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -1764,6 +1764,7 @@ static int compat_table_info(const struct ebt_table_info *info,
 
 	newinfo->entries_size = size;
 
+	xt_compat_init_offsets(AF_INET, info->nentries);
 	return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info,
 							entries, newinfo);
 }
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index a5a1050595d1..8949a05ac307 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -140,6 +140,9 @@ config IP_ROUTE_VERBOSE
 	  handled by the klogd daemon which is responsible for kernel messages
 	  ("man klogd").
 
+config IP_ROUTE_CLASSID
+	bool
+
 config IP_PNP
 	bool "IP: kernel level autoconfiguration"
 	help
@@ -657,4 +660,3 @@ config TCP_MD5SIG
 	  on the Internet.
 
 	  If unsure, say N.
-
diff --git a/net/ipv4/fib_rules.c b/net/ipv4/fib_rules.c
index 7981a24f5c7b..9cefe72029cf 100644
--- a/net/ipv4/fib_rules.c
+++ b/net/ipv4/fib_rules.c
@@ -41,12 +41,12 @@ struct fib4_rule {
 	__be32			srcmask;
 	__be32			dst;
 	__be32			dstmask;
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	u32			tclassid;
 #endif
 };
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 u32 fib_rules_tclass(struct fib_result *res)
 {
 	return res->r ? ((struct fib4_rule *) res->r)->tclassid : 0;
@@ -165,7 +165,7 @@ static int fib4_rule_configure(struct fib_rule *rule, struct sk_buff *skb,
 	if (frh->dst_len)
 		rule4->dst = nla_get_be32(tb[FRA_DST]);
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	if (tb[FRA_FLOW])
 		rule4->tclassid = nla_get_u32(tb[FRA_FLOW]);
 #endif
@@ -195,7 +195,7 @@ static int fib4_rule_compare(struct fib_rule *rule, struct fib_rule_hdr *frh,
 	if (frh->tos && (rule4->tos != frh->tos))
 		return 0;
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	if (tb[FRA_FLOW] && (rule4->tclassid != nla_get_u32(tb[FRA_FLOW])))
 		return 0;
 #endif
@@ -224,7 +224,7 @@ static int fib4_rule_fill(struct fib_rule *rule, struct sk_buff *skb,
 	if (rule4->src_len)
 		NLA_PUT_BE32(skb, FRA_SRC, rule4->src);
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	if (rule4->tclassid)
 		NLA_PUT_U32(skb, FRA_FLOW, rule4->tclassid);
 #endif
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 12d3dc3df1b7..9aff11d7278f 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -200,7 +200,7 @@ static inline int nh_comp(const struct fib_info *fi, const struct fib_info *ofi)
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
 		    nh->nh_weight != onh->nh_weight ||
 #endif
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 		    nh->nh_tclassid != onh->nh_tclassid ||
 #endif
 		    ((nh->nh_flags ^ onh->nh_flags) & ~RTNH_F_DEAD))
@@ -422,7 +422,7 @@ static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh,
 
 			nla = nla_find(attrs, attrlen, RTA_GATEWAY);
 			nexthop_nh->nh_gw = nla ? nla_get_be32(nla) : 0;
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 			nla = nla_find(attrs, attrlen, RTA_FLOW);
 			nexthop_nh->nh_tclassid = nla ? nla_get_u32(nla) : 0;
 #endif
@@ -476,7 +476,7 @@ int fib_nh_match(struct fib_config *cfg, struct fib_info *fi)
 			nla = nla_find(attrs, attrlen, RTA_GATEWAY);
 			if (nla && nla_get_be32(nla) != nh->nh_gw)
 				return 1;
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 			nla = nla_find(attrs, attrlen, RTA_FLOW);
 			if (nla && nla_get_u32(nla) != nh->nh_tclassid)
 				return 1;
@@ -779,7 +779,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 			goto err_inval;
 		if (cfg->fc_gw && fi->fib_nh->nh_gw != cfg->fc_gw)
 			goto err_inval;
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 		if (cfg->fc_flow && fi->fib_nh->nh_tclassid != cfg->fc_flow)
 			goto err_inval;
 #endif
@@ -792,7 +792,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg)
 		nh->nh_oif = cfg->fc_oif;
 		nh->nh_gw = cfg->fc_gw;
 		nh->nh_flags = cfg->fc_flags;
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 		nh->nh_tclassid = cfg->fc_flow;
 #endif
 #ifdef CONFIG_IP_ROUTE_MULTIPATH
@@ -1002,7 +1002,7 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
 
 		if (fi->fib_nh->nh_oif)
 			NLA_PUT_U32(skb, RTA_OIF, fi->fib_nh->nh_oif);
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 		if (fi->fib_nh[0].nh_tclassid)
 			NLA_PUT_U32(skb, RTA_FLOW, fi->fib_nh[0].nh_tclassid);
 #endif
@@ -1027,7 +1027,7 @@ int fib_dump_info(struct sk_buff *skb, u32 pid, u32 seq, int event,
 
 			if (nh->nh_gw)
 				NLA_PUT_BE32(skb, RTA_GATEWAY, nh->nh_gw);
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 			if (nh->nh_tclassid)
 				NLA_PUT_U32(skb, RTA_FLOW, nh->nh_tclassid);
 #endif
diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c
index d859bcc26cb7..d7b2b0987a3b 100644
--- a/net/ipv4/ip_input.c
+++ b/net/ipv4/ip_input.c
@@ -340,7 +340,7 @@ static int ip_rcv_finish(struct sk_buff *skb)
 		}
 	}
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	if (unlikely(skb_dst(skb)->tclassid)) {
 		struct ip_rt_acct *st = this_cpu_ptr(ip_rt_acct);
 		u32 idx = skb_dst(skb)->tclassid;
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index babd1a2bae5f..f926a310075d 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -206,8 +206,9 @@ config IP_NF_TARGET_REDIRECT
 
 config NF_NAT_SNMP_BASIC
 	tristate "Basic SNMP-ALG support"
-	depends on NF_NAT
+	depends on NF_CONNTRACK_SNMP && NF_NAT
 	depends on NETFILTER_ADVANCED
+	default NF_NAT && NF_CONNTRACK_SNMP
 	---help---
 
 	  This module implements an Application Layer Gateway (ALG) for
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index e855fffaed95..e95054c690c6 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -866,6 +866,7 @@ static int compat_table_info(const struct xt_table_info *info,
 	memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
 	newinfo->initial_entries = 0;
 	loc_cpu_entry = info->entries[raw_smp_processor_id()];
+	xt_compat_init_offsets(NFPROTO_ARP, info->number);
 	xt_entry_foreach(iter, loc_cpu_entry, info->size) {
 		ret = compat_calc_entry(iter, info, loc_cpu_entry, newinfo);
 		if (ret != 0)
@@ -1333,6 +1334,7 @@ static int translate_compat_table(const char *name,
 	duprintf("translate_compat_table: size %u\n", info->size);
 	j = 0;
 	xt_compat_lock(NFPROTO_ARP);
+	xt_compat_init_offsets(NFPROTO_ARP, number);
 	/* Walk through entries, checking offsets. */
 	xt_entry_foreach(iter0, entry0, total_size) {
 		ret = check_compat_entry_size_and_hooks(iter0, info, &size,
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 652efea013dc..ef7d7b9680ea 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -1063,6 +1063,7 @@ static int compat_table_info(const struct xt_table_info *info,
 	memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
 	newinfo->initial_entries = 0;
 	loc_cpu_entry = info->entries[raw_smp_processor_id()];
+	xt_compat_init_offsets(AF_INET, info->number);
 	xt_entry_foreach(iter, loc_cpu_entry, info->size) {
 		ret = compat_calc_entry(iter, info, loc_cpu_entry, newinfo);
 		if (ret != 0)
@@ -1664,6 +1665,7 @@ translate_compat_table(struct net *net,
 	duprintf("translate_compat_table: size %u\n", info->size);
 	j = 0;
 	xt_compat_lock(AF_INET);
+	xt_compat_init_offsets(AF_INET, number);
 	/* Walk through entries, checking offsets. */
 	xt_entry_foreach(iter0, entry0, total_size) {
 		ret = check_compat_entry_size_and_hooks(iter0, info, &size,
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 1e26a4897655..403ca57f6011 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -300,13 +300,8 @@ clusterip_tg(struct sk_buff *skb, const struct xt_action_param *par)
 	 * that the ->target() function isn't called after ->destroy() */
 
 	ct = nf_ct_get(skb, &ctinfo);
-	if (ct == NULL) {
-		pr_info("no conntrack!\n");
-			/* FIXME: need to drop invalid ones, since replies
-			 * to outgoing connections of other nodes will be
-			 * marked as INVALID */
+	if (ct == NULL)
 		return NF_DROP;
-	}
 
 	/* special case: ICMP error handling. conntrack distinguishes between
 	 * error messages (RELATED) and information requests (see below) */
diff --git a/net/ipv4/netfilter/ipt_LOG.c b/net/ipv4/netfilter/ipt_LOG.c
index 72ffc8fda2e9..d76d6c9ed946 100644
--- a/net/ipv4/netfilter/ipt_LOG.c
+++ b/net/ipv4/netfilter/ipt_LOG.c
@@ -442,8 +442,7 @@ ipt_log_packet(u_int8_t pf,
 	}
 #endif
 
-	/* MAC logging for input path only. */
-	if (in && !out)
+	if (in != NULL)
 		dump_mac_header(m, loginfo, skb);
 
 	dump_packet(m, loginfo, skb, 0);
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
index 63f60fc5d26a..5585980fce2e 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4_compat.c
@@ -20,6 +20,7 @@
 #include <net/netfilter/nf_conntrack_l4proto.h>
 #include <net/netfilter/nf_conntrack_expect.h>
 #include <net/netfilter/nf_conntrack_acct.h>
+#include <linux/rculist_nulls.h>
 
 struct ct_iter_state {
 	struct seq_net_private p;
@@ -35,7 +36,8 @@ static struct hlist_nulls_node *ct_get_first(struct seq_file *seq)
 	for (st->bucket = 0;
 	     st->bucket < net->ct.htable_size;
 	     st->bucket++) {
-		n = rcu_dereference(net->ct.hash[st->bucket].first);
+		n = rcu_dereference(
+			hlist_nulls_first_rcu(&net->ct.hash[st->bucket]));
 		if (!is_a_nulls(n))
 			return n;
 	}
@@ -48,13 +50,14 @@ static struct hlist_nulls_node *ct_get_next(struct seq_file *seq,
 	struct net *net = seq_file_net(seq);
 	struct ct_iter_state *st = seq->private;
 
-	head = rcu_dereference(head->next);
+	head = rcu_dereference(hlist_nulls_next_rcu(head));
 	while (is_a_nulls(head)) {
 		if (likely(get_nulls_value(head) == st->bucket)) {
 			if (++st->bucket >= net->ct.htable_size)
 				return NULL;
 		}
-		head = rcu_dereference(net->ct.hash[st->bucket].first);
+		head = rcu_dereference(
+			hlist_nulls_first_rcu(&net->ct.hash[st->bucket]));
 	}
 	return head;
 }
@@ -217,7 +220,8 @@ static struct hlist_node *ct_expect_get_first(struct seq_file *seq)
 	struct hlist_node *n;
 
 	for (st->bucket = 0; st->bucket < nf_ct_expect_hsize; st->bucket++) {
-		n = rcu_dereference(net->ct.expect_hash[st->bucket].first);
+		n = rcu_dereference(
+			hlist_first_rcu(&net->ct.expect_hash[st->bucket]));
 		if (n)
 			return n;
 	}
@@ -230,11 +234,12 @@ static struct hlist_node *ct_expect_get_next(struct seq_file *seq,
 	struct net *net = seq_file_net(seq);
 	struct ct_expect_iter_state *st = seq->private;
 
-	head = rcu_dereference(head->next);
+	head = rcu_dereference(hlist_next_rcu(head));
 	while (head == NULL) {
 		if (++st->bucket >= nf_ct_expect_hsize)
 			return NULL;
-		head = rcu_dereference(net->ct.expect_hash[st->bucket].first);
+		head = rcu_dereference(
+			hlist_first_rcu(&net->ct.expect_hash[st->bucket]));
 	}
 	return head;
 }
diff --git a/net/ipv4/netfilter/nf_nat_amanda.c b/net/ipv4/netfilter/nf_nat_amanda.c
index 0f23b3f06df0..703f366fd235 100644
--- a/net/ipv4/netfilter/nf_nat_amanda.c
+++ b/net/ipv4/netfilter/nf_nat_amanda.c
@@ -44,13 +44,13 @@ static unsigned int help(struct sk_buff *skb,
 
 	/* Try to get same port: if not, try to change it. */
 	for (port = ntohs(exp->saved_proto.tcp.port); port != 0; port++) {
-		int ret;
+		int res;
 
 		exp->tuple.dst.u.tcp.port = htons(port);
-		ret = nf_ct_expect_related(exp);
-		if (ret == 0)
+		res = nf_ct_expect_related(exp);
+		if (res == 0)
 			break;
-		else if (ret != -EBUSY) {
+		else if (res != -EBUSY) {
 			port = 0;
 			break;
 		}
diff --git a/net/ipv4/netfilter/nf_nat_core.c b/net/ipv4/netfilter/nf_nat_core.c
index c04787ce1a71..3002c0492fb0 100644
--- a/net/ipv4/netfilter/nf_nat_core.c
+++ b/net/ipv4/netfilter/nf_nat_core.c
@@ -323,9 +323,9 @@ nf_nat_setup_info(struct nf_conn *ct,
 
 	/* It's done. */
 	if (maniptype == IP_NAT_MANIP_DST)
-		set_bit(IPS_DST_NAT_DONE_BIT, &ct->status);
+		ct->status |= IPS_DST_NAT_DONE;
 	else
-		set_bit(IPS_SRC_NAT_DONE_BIT, &ct->status);
+		ct->status |= IPS_SRC_NAT_DONE;
 
 	return NF_ACCEPT;
 }
@@ -502,7 +502,10 @@ int nf_nat_protocol_register(const struct nf_nat_protocol *proto)
 	int ret = 0;
 
 	spin_lock_bh(&nf_nat_lock);
-	if (nf_nat_protos[proto->protonum] != &nf_nat_unknown_protocol) {
+	if (rcu_dereference_protected(
+			nf_nat_protos[proto->protonum],
+			lockdep_is_held(&nf_nat_lock)
+			) != &nf_nat_unknown_protocol) {
 		ret = -EBUSY;
 		goto out;
 	}
@@ -679,8 +682,7 @@ static int __net_init nf_nat_net_init(struct net *net)
 {
 	/* Leave them the same for the moment. */
 	net->ipv4.nat_htable_size = net->ct.htable_size;
-	net->ipv4.nat_bysource = nf_ct_alloc_hashtable(&net->ipv4.nat_htable_size,
-						       &net->ipv4.nat_vmalloced, 0);
+	net->ipv4.nat_bysource = nf_ct_alloc_hashtable(&net->ipv4.nat_htable_size, 0);
 	if (!net->ipv4.nat_bysource)
 		return -ENOMEM;
 	return 0;
@@ -702,8 +704,7 @@ static void __net_exit nf_nat_net_exit(struct net *net)
 {
 	nf_ct_iterate_cleanup(net, &clean_nat, NULL);
 	synchronize_rcu();
-	nf_ct_free_hashtable(net->ipv4.nat_bysource, net->ipv4.nat_vmalloced,
-			     net->ipv4.nat_htable_size);
+	nf_ct_free_hashtable(net->ipv4.nat_bysource, net->ipv4.nat_htable_size);
 }
 
 static struct pernet_operations nf_nat_net_ops = {
diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c
index ee5f419d0a56..8812a02078ab 100644
--- a/net/ipv4/netfilter/nf_nat_snmp_basic.c
+++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c
@@ -54,6 +54,7 @@
 #include <net/netfilter/nf_conntrack_expect.h>
 #include <net/netfilter/nf_conntrack_helper.h>
 #include <net/netfilter/nf_nat_helper.h>
+#include <linux/netfilter/nf_conntrack_snmp.h>
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
@@ -1310,9 +1311,9 @@ static int __init nf_nat_snmp_basic_init(void)
 {
 	int ret = 0;
 
-	ret = nf_conntrack_helper_register(&snmp_helper);
-	if (ret < 0)
-		return ret;
+	BUG_ON(nf_nat_snmp_hook != NULL);
+	rcu_assign_pointer(nf_nat_snmp_hook, help);
+
 	ret = nf_conntrack_helper_register(&snmp_trap_helper);
 	if (ret < 0) {
 		nf_conntrack_helper_unregister(&snmp_helper);
@@ -1323,7 +1324,7 @@ static int __init nf_nat_snmp_basic_init(void)
 
 static void __exit nf_nat_snmp_basic_fini(void)
 {
-	nf_conntrack_helper_unregister(&snmp_helper);
+	rcu_assign_pointer(nf_nat_snmp_hook, NULL);
 	nf_conntrack_helper_unregister(&snmp_trap_helper);
 }
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 351dc4e85242..3e5b7cc2db4f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -514,7 +514,7 @@ static const struct file_operations rt_cpu_seq_fops = {
 	.release = seq_release,
 };
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 static int rt_acct_proc_show(struct seq_file *m, void *v)
 {
 	struct ip_rt_acct *dst, *src;
@@ -567,14 +567,14 @@ static int __net_init ip_rt_do_proc_init(struct net *net)
 	if (!pde)
 		goto err2;
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	pde = proc_create("rt_acct", 0, net->proc_net, &rt_acct_proc_fops);
 	if (!pde)
 		goto err3;
 #endif
 	return 0;
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 err3:
 	remove_proc_entry("rt_cache", net->proc_net_stat);
 #endif
@@ -588,7 +588,7 @@ static void __net_exit ip_rt_do_proc_exit(struct net *net)
 {
 	remove_proc_entry("rt_cache", net->proc_net_stat);
 	remove_proc_entry("rt_cache", net->proc_net);
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	remove_proc_entry("rt_acct", net->proc_net);
 #endif
 }
@@ -1775,7 +1775,7 @@ void ip_rt_get_source(u8 *addr, struct rtable *rt)
 	memcpy(addr, &src, 4);
 }
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 static void set_class_tag(struct rtable *rt, u32 tag)
 {
 	if (!(rt->dst.tclassid & 0xFFFF))
@@ -1825,7 +1825,7 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
 		    FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK)
 			rt->rt_gateway = FIB_RES_GW(*res);
 		dst_import_metrics(dst, fi->fib_metrics);
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 		dst->tclassid = FIB_RES_NH(*res).nh_tclassid;
 #endif
 	}
@@ -1835,7 +1835,7 @@ static void rt_set_nexthop(struct rtable *rt, struct fib_result *res, u32 itag)
 	if (dst_metric_raw(dst, RTAX_ADVMSS) > 65535 - 40)
 		dst_metric_set(dst, RTAX_ADVMSS, 65535 - 40);
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 #ifdef CONFIG_IP_MULTIPLE_TABLES
 	set_class_tag(rt, fib_rules_tclass(res));
 #endif
@@ -1891,7 +1891,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	rth->fl.mark    = skb->mark;
 	rth->fl.fl4_src	= saddr;
 	rth->rt_src	= saddr;
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	rth->dst.tclassid = itag;
 #endif
 	rth->rt_iif	=
@@ -2208,7 +2208,7 @@ local_input:
 	rth->fl.mark    = skb->mark;
 	rth->fl.fl4_src	= saddr;
 	rth->rt_src	= saddr;
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	rth->dst.tclassid = itag;
 #endif
 	rth->rt_iif	=
@@ -2828,7 +2828,7 @@ static int rt_fill_info(struct net *net,
 	}
 	if (rt->dst.dev)
 		NLA_PUT_U32(skb, RTA_OIF, rt->dst.dev->ifindex);
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	if (rt->dst.tclassid)
 		NLA_PUT_U32(skb, RTA_FLOW, rt->dst.tclassid);
 #endif
@@ -3249,9 +3249,9 @@ static __net_initdata struct pernet_operations rt_genid_ops = {
 };
 
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 struct ip_rt_acct __percpu *ip_rt_acct __read_mostly;
-#endif /* CONFIG_NET_CLS_ROUTE */
+#endif /* CONFIG_IP_ROUTE_CLASSID */
 
 static __initdata unsigned long rhash_entries;
 static int __init set_rhash_entries(char *str)
@@ -3267,7 +3267,7 @@ int __init ip_rt_init(void)
 {
 	int rc = 0;
 
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	ip_rt_acct = __alloc_percpu(256 * sizeof(struct ip_rt_acct), __alignof__(struct ip_rt_acct));
 	if (!ip_rt_acct)
 		panic("IP: failed to allocate ip_rt_acct\n");
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 7d227c644f72..47b7b8df7fac 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -1076,6 +1076,7 @@ static int compat_table_info(const struct xt_table_info *info,
 	memcpy(newinfo, info, offsetof(struct xt_table_info, entries));
 	newinfo->initial_entries = 0;
 	loc_cpu_entry = info->entries[raw_smp_processor_id()];
+	xt_compat_init_offsets(AF_INET6, info->number);
 	xt_entry_foreach(iter, loc_cpu_entry, info->size) {
 		ret = compat_calc_entry(iter, info, loc_cpu_entry, newinfo);
 		if (ret != 0)
@@ -1679,6 +1680,7 @@ translate_compat_table(struct net *net,
 	duprintf("translate_compat_table: size %u\n", info->size);
 	j = 0;
 	xt_compat_lock(AF_INET6);
+	xt_compat_init_offsets(AF_INET6, number);
 	/* Walk through entries, checking offsets. */
 	xt_entry_foreach(iter0, entry0, total_size) {
 		ret = check_compat_entry_size_and_hooks(iter0, info, &size,
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index 09c88891a753..05027b753721 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -452,8 +452,7 @@ ip6t_log_packet(u_int8_t pf,
 	       in ? in->name : "",
 	       out ? out->name : "");
 
-	/* MAC logging for input path only. */
-	if (in && !out)
+	if (in != NULL)
 		dump_mac_header(m, loginfo, skb);
 
 	dump_packet(m, loginfo, skb, skb_network_offset(skb), 1);
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 79d43aa8fa8d..66e003e1fcd5 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -73,7 +73,7 @@ static struct inet_frags nf_frags;
 static struct netns_frags nf_init_frags;
 
 #ifdef CONFIG_SYSCTL
-struct ctl_table nf_ct_frag6_sysctl_table[] = {
+static struct ctl_table nf_ct_frag6_sysctl_table[] = {
 	{
 		.procname	= "nf_conntrack_frag6_timeout",
 		.data		= &nf_init_frags.timeout,
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index 1534f2b44caf..faf7412ea453 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -85,6 +85,17 @@ config NF_CONNTRACK_EVENTS
 
 	  If unsure, say `N'.
 
+config NF_CONNTRACK_TIMESTAMP
+	bool  'Connection tracking timestamping'
+	depends on NETFILTER_ADVANCED
+	help
+	  This option enables support for connection tracking timestamping.
+	  This allows you to store the flow start-time and to obtain
+	  the flow-stop time (once it has been destroyed) via Connection
+	  tracking events.
+
+	  If unsure, say `N'.
+
 config NF_CT_PROTO_DCCP
 	tristate 'DCCP protocol connection tracking support (EXPERIMENTAL)'
 	depends on EXPERIMENTAL
@@ -185,9 +196,13 @@ config NF_CONNTRACK_IRC
 
 	  To compile it as a module, choose M here.  If unsure, say N.
 
+config NF_CONNTRACK_BROADCAST
+	tristate
+
 config NF_CONNTRACK_NETBIOS_NS
 	tristate "NetBIOS name service protocol support"
 	depends on NETFILTER_ADVANCED
+	select NF_CONNTRACK_BROADCAST
 	help
 	  NetBIOS name service requests are sent as broadcast messages from an
 	  unprivileged port and responded to with unicast messages to the
@@ -204,6 +219,21 @@ config NF_CONNTRACK_NETBIOS_NS
 
 	  To compile it as a module, choose M here.  If unsure, say N.
 
+config NF_CONNTRACK_SNMP
+	tristate "SNMP service protocol support"
+	depends on NETFILTER_ADVANCED
+	select NF_CONNTRACK_BROADCAST
+	help
+	  SNMP service requests are sent as broadcast messages from an
+	  unprivileged port and responded to with unicast messages to the
+	  same port. This make them hard to firewall properly because connection
+	  tracking doesn't deal with broadcasts. This helper tracks locally
+	  originating SNMP service requests and the corresponding
+	  responses. It relies on correct IP address configuration, specifically
+	  netmask and broadcast address.
+
+	  To compile it as a module, choose M here.  If unsure, say N.
+
 config NF_CONNTRACK_PPTP
 	tristate "PPtP protocol support"
 	depends on NETFILTER_ADVANCED
@@ -326,6 +356,16 @@ config NETFILTER_XT_CONNMARK
 
 comment "Xtables targets"
 
+config NETFILTER_XT_TARGET_AUDIT
+	tristate "AUDIT target support"
+	depends on AUDIT
+	depends on NETFILTER_ADVANCED
+	---help---
+	  This option adds a 'AUDIT' target, which can be used to create
+	  audit records for packets dropped/accepted.
+
+	  To compileit as a module, choose M here. If unsure, say N.
+
 config NETFILTER_XT_TARGET_CHECKSUM
 	tristate "CHECKSUM target support"
 	depends on IP_NF_MANGLE || IP6_NF_MANGLE
@@ -477,6 +517,7 @@ config NETFILTER_XT_TARGET_NFLOG
 config NETFILTER_XT_TARGET_NFQUEUE
 	tristate '"NFQUEUE" target Support'
 	depends on NETFILTER_ADVANCED
+	select NETFILTER_NETLINK_QUEUE
 	help
 	  This target replaced the old obsolete QUEUE target.
 
@@ -886,7 +927,7 @@ config NETFILTER_XT_MATCH_RATEEST
 config NETFILTER_XT_MATCH_REALM
 	tristate  '"realm" match support'
 	depends on NETFILTER_ADVANCED
-	select NET_CLS_ROUTE
+	select IP_ROUTE_CLASSID
 	help
 	  This option adds a `realm' match, which allows you to use the realm
 	  key from the routing subsystem inside iptables.
diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile
index 441050f31111..9ae6878a85b1 100644
--- a/net/netfilter/Makefile
+++ b/net/netfilter/Makefile
@@ -1,6 +1,7 @@
 netfilter-objs := core.o nf_log.o nf_queue.o nf_sockopt.o
 
 nf_conntrack-y	:= nf_conntrack_core.o nf_conntrack_standalone.o nf_conntrack_expect.o nf_conntrack_helper.o nf_conntrack_proto.o nf_conntrack_l3proto_generic.o nf_conntrack_proto_generic.o nf_conntrack_proto_tcp.o nf_conntrack_proto_udp.o nf_conntrack_extend.o nf_conntrack_acct.o
+nf_conntrack-$(CONFIG_NF_CONNTRACK_TIMESTAMP) += nf_conntrack_timestamp.o
 nf_conntrack-$(CONFIG_NF_CONNTRACK_EVENTS) += nf_conntrack_ecache.o
 
 obj-$(CONFIG_NETFILTER) = netfilter.o
@@ -28,7 +29,9 @@ obj-$(CONFIG_NF_CONNTRACK_AMANDA) += nf_conntrack_amanda.o
 obj-$(CONFIG_NF_CONNTRACK_FTP) += nf_conntrack_ftp.o
 obj-$(CONFIG_NF_CONNTRACK_H323) += nf_conntrack_h323.o
 obj-$(CONFIG_NF_CONNTRACK_IRC) += nf_conntrack_irc.o
+obj-$(CONFIG_NF_CONNTRACK_BROADCAST) += nf_conntrack_broadcast.o
 obj-$(CONFIG_NF_CONNTRACK_NETBIOS_NS) += nf_conntrack_netbios_ns.o
+obj-$(CONFIG_NF_CONNTRACK_SNMP) += nf_conntrack_snmp.o
 obj-$(CONFIG_NF_CONNTRACK_PPTP) += nf_conntrack_pptp.o
 obj-$(CONFIG_NF_CONNTRACK_SANE) += nf_conntrack_sane.o
 obj-$(CONFIG_NF_CONNTRACK_SIP) += nf_conntrack_sip.o
@@ -45,6 +48,7 @@ obj-$(CONFIG_NETFILTER_XT_MARK) += xt_mark.o
 obj-$(CONFIG_NETFILTER_XT_CONNMARK) += xt_connmark.o
 
 # targets
+obj-$(CONFIG_NETFILTER_XT_TARGET_AUDIT) += xt_AUDIT.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_CHECKSUM) += xt_CHECKSUM.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_CLASSIFY) += xt_CLASSIFY.o
 obj-$(CONFIG_NETFILTER_XT_TARGET_CONNSECMARK) += xt_CONNSECMARK.o
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 32fcbe290c04..1e00bf7d27c5 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -175,13 +175,21 @@ next_hook:
 		ret = 1;
 	} else if ((verdict & NF_VERDICT_MASK) == NF_DROP) {
 		kfree_skb(skb);
-		ret = -(verdict >> NF_VERDICT_BITS);
+		ret = NF_DROP_GETERR(verdict);
 		if (ret == 0)
 			ret = -EPERM;
 	} else if ((verdict & NF_VERDICT_MASK) == NF_QUEUE) {
-		if (!nf_queue(skb, elem, pf, hook, indev, outdev, okfn,
-			      verdict >> NF_VERDICT_BITS))
-			goto next_hook;
+		ret = nf_queue(skb, elem, pf, hook, indev, outdev, okfn,
+			       verdict >> NF_VERDICT_QBITS);
+		if (ret < 0) {
+			if (ret == -ECANCELED)
+				goto next_hook;
+			if (ret == -ESRCH &&
+			   (verdict & NF_VERDICT_FLAG_QUEUE_BYPASS))
+				goto next_hook;
+			kfree_skb(skb);
+		}
+		ret = 0;
 	}
 	rcu_read_unlock();
 	return ret;
@@ -214,7 +222,7 @@ EXPORT_SYMBOL(skb_make_writable);
 /* This does not belong here, but locally generated errors need it if connection
    tracking in use: without this, connection may not be in hash table, and hence
    manufactured ICMP or RST packets will not be associated with it. */
-void (*ip_ct_attach)(struct sk_buff *, struct sk_buff *);
+void (*ip_ct_attach)(struct sk_buff *, struct sk_buff *) __rcu __read_mostly;
 EXPORT_SYMBOL(ip_ct_attach);
 
 void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb)
@@ -231,7 +239,7 @@ void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb)
 }
 EXPORT_SYMBOL(nf_ct_attach);
 
-void (*nf_ct_destroy)(struct nf_conntrack *);
+void (*nf_ct_destroy)(struct nf_conntrack *) __rcu __read_mostly;
 EXPORT_SYMBOL(nf_ct_destroy);
 
 void nf_conntrack_destroy(struct nf_conntrack *nfct)
diff --git a/net/netfilter/ipvs/ip_vs_app.c b/net/netfilter/ipvs/ip_vs_app.c
index a475edee0912..5c48ffb60c28 100644
--- a/net/netfilter/ipvs/ip_vs_app.c
+++ b/net/netfilter/ipvs/ip_vs_app.c
@@ -43,11 +43,6 @@ EXPORT_SYMBOL(register_ip_vs_app);
 EXPORT_SYMBOL(unregister_ip_vs_app);
 EXPORT_SYMBOL(register_ip_vs_app_inc);
 
-/* ipvs application list head */
-static LIST_HEAD(ip_vs_app_list);
-static DEFINE_MUTEX(__ip_vs_app_mutex);
-
-
 /*
  *	Get an ip_vs_app object
  */
@@ -67,7 +62,8 @@ static inline void ip_vs_app_put(struct ip_vs_app *app)
  *	Allocate/initialize app incarnation and register it in proto apps.
  */
 static int
-ip_vs_app_inc_new(struct ip_vs_app *app, __u16 proto, __u16 port)
+ip_vs_app_inc_new(struct net *net, struct ip_vs_app *app, __u16 proto,
+		  __u16 port)
 {
 	struct ip_vs_protocol *pp;
 	struct ip_vs_app *inc;
@@ -98,7 +94,7 @@ ip_vs_app_inc_new(struct ip_vs_app *app, __u16 proto, __u16 port)
 		}
 	}
 
-	ret = pp->register_app(inc);
+	ret = pp->register_app(net, inc);
 	if (ret)
 		goto out;
 
@@ -119,7 +115,7 @@ ip_vs_app_inc_new(struct ip_vs_app *app, __u16 proto, __u16 port)
  *	Release app incarnation
  */
 static void
-ip_vs_app_inc_release(struct ip_vs_app *inc)
+ip_vs_app_inc_release(struct net *net, struct ip_vs_app *inc)
 {
 	struct ip_vs_protocol *pp;
 
@@ -127,7 +123,7 @@ ip_vs_app_inc_release(struct ip_vs_app *inc)
 		return;
 
 	if (pp->unregister_app)
-		pp->unregister_app(inc);
+		pp->unregister_app(net, inc);
 
 	IP_VS_DBG(9, "%s App %s:%u unregistered\n",
 		  pp->name, inc->name, ntohs(inc->port));
@@ -168,15 +164,17 @@ void ip_vs_app_inc_put(struct ip_vs_app *inc)
  *	Register an application incarnation in protocol applications
  */
 int
-register_ip_vs_app_inc(struct ip_vs_app *app, __u16 proto, __u16 port)
+register_ip_vs_app_inc(struct net *net, struct ip_vs_app *app, __u16 proto,
+		       __u16 port)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	int result;
 
-	mutex_lock(&__ip_vs_app_mutex);
+	mutex_lock(&ipvs->app_mutex);
 
-	result = ip_vs_app_inc_new(app, proto, port);
+	result = ip_vs_app_inc_new(net, app, proto, port);
 
-	mutex_unlock(&__ip_vs_app_mutex);
+	mutex_unlock(&ipvs->app_mutex);
 
 	return result;
 }
@@ -185,16 +183,17 @@ register_ip_vs_app_inc(struct ip_vs_app *app, __u16 proto, __u16 port)
 /*
  *	ip_vs_app registration routine
  */
-int register_ip_vs_app(struct ip_vs_app *app)
+int register_ip_vs_app(struct net *net, struct ip_vs_app *app)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	/* increase the module use count */
 	ip_vs_use_count_inc();
 
-	mutex_lock(&__ip_vs_app_mutex);
+	mutex_lock(&ipvs->app_mutex);
 
-	list_add(&app->a_list, &ip_vs_app_list);
+	list_add(&app->a_list, &ipvs->app_list);
 
-	mutex_unlock(&__ip_vs_app_mutex);
+	mutex_unlock(&ipvs->app_mutex);
 
 	return 0;
 }
@@ -204,19 +203,20 @@ int register_ip_vs_app(struct ip_vs_app *app)
  *	ip_vs_app unregistration routine
  *	We are sure there are no app incarnations attached to services
  */
-void unregister_ip_vs_app(struct ip_vs_app *app)
+void unregister_ip_vs_app(struct net *net, struct ip_vs_app *app)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_app *inc, *nxt;
 
-	mutex_lock(&__ip_vs_app_mutex);
+	mutex_lock(&ipvs->app_mutex);
 
 	list_for_each_entry_safe(inc, nxt, &app->incs_list, a_list) {
-		ip_vs_app_inc_release(inc);
+		ip_vs_app_inc_release(net, inc);
 	}
 
 	list_del(&app->a_list);
 
-	mutex_unlock(&__ip_vs_app_mutex);
+	mutex_unlock(&ipvs->app_mutex);
 
 	/* decrease the module use count */
 	ip_vs_use_count_dec();
@@ -226,7 +226,8 @@ void unregister_ip_vs_app(struct ip_vs_app *app)
 /*
  *	Bind ip_vs_conn to its ip_vs_app (called by cp constructor)
  */
-int ip_vs_bind_app(struct ip_vs_conn *cp, struct ip_vs_protocol *pp)
+int ip_vs_bind_app(struct ip_vs_conn *cp,
+		   struct ip_vs_protocol *pp)
 {
 	return pp->app_conn_bind(cp);
 }
@@ -481,11 +482,11 @@ int ip_vs_app_pkt_in(struct ip_vs_conn *cp, struct sk_buff *skb)
  *	/proc/net/ip_vs_app entry function
  */
 
-static struct ip_vs_app *ip_vs_app_idx(loff_t pos)
+static struct ip_vs_app *ip_vs_app_idx(struct netns_ipvs *ipvs, loff_t pos)
 {
 	struct ip_vs_app *app, *inc;
 
-	list_for_each_entry(app, &ip_vs_app_list, a_list) {
+	list_for_each_entry(app, &ipvs->app_list, a_list) {
 		list_for_each_entry(inc, &app->incs_list, a_list) {
 			if (pos-- == 0)
 				return inc;
@@ -497,19 +498,24 @@ static struct ip_vs_app *ip_vs_app_idx(loff_t pos)
 
 static void *ip_vs_app_seq_start(struct seq_file *seq, loff_t *pos)
 {
-	mutex_lock(&__ip_vs_app_mutex);
+	struct net *net = seq_file_net(seq);
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
-	return *pos ? ip_vs_app_idx(*pos - 1) : SEQ_START_TOKEN;
+	mutex_lock(&ipvs->app_mutex);
+
+	return *pos ? ip_vs_app_idx(ipvs, *pos - 1) : SEQ_START_TOKEN;
 }
 
 static void *ip_vs_app_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct ip_vs_app *inc, *app;
 	struct list_head *e;
+	struct net *net = seq_file_net(seq);
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	++*pos;
 	if (v == SEQ_START_TOKEN)
-		return ip_vs_app_idx(0);
+		return ip_vs_app_idx(ipvs, 0);
 
 	inc = v;
 	app = inc->app;
@@ -518,7 +524,7 @@ static void *ip_vs_app_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 		return list_entry(e, struct ip_vs_app, a_list);
 
 	/* go on to next application */
-	for (e = app->a_list.next; e != &ip_vs_app_list; e = e->next) {
+	for (e = app->a_list.next; e != &ipvs->app_list; e = e->next) {
 		app = list_entry(e, struct ip_vs_app, a_list);
 		list_for_each_entry(inc, &app->incs_list, a_list) {
 			return inc;
@@ -529,7 +535,9 @@ static void *ip_vs_app_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 
 static void ip_vs_app_seq_stop(struct seq_file *seq, void *v)
 {
-	mutex_unlock(&__ip_vs_app_mutex);
+	struct netns_ipvs *ipvs = net_ipvs(seq_file_net(seq));
+
+	mutex_unlock(&ipvs->app_mutex);
 }
 
 static int ip_vs_app_seq_show(struct seq_file *seq, void *v)
@@ -557,7 +565,8 @@ static const struct seq_operations ip_vs_app_seq_ops = {
 
 static int ip_vs_app_open(struct inode *inode, struct file *file)
 {
-	return seq_open(file, &ip_vs_app_seq_ops);
+	return seq_open_net(inode, file, &ip_vs_app_seq_ops,
+			    sizeof(struct seq_net_private));
 }
 
 static const struct file_operations ip_vs_app_fops = {
@@ -569,15 +578,36 @@ static const struct file_operations ip_vs_app_fops = {
 };
 #endif
 
-int __init ip_vs_app_init(void)
+static int __net_init __ip_vs_app_init(struct net *net)
 {
-	/* we will replace it with proc_net_ipvs_create() soon */
-	proc_net_fops_create(&init_net, "ip_vs_app", 0, &ip_vs_app_fops);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	INIT_LIST_HEAD(&ipvs->app_list);
+	__mutex_init(&ipvs->app_mutex, "ipvs->app_mutex", &ipvs->app_key);
+	proc_net_fops_create(net, "ip_vs_app", 0, &ip_vs_app_fops);
 	return 0;
 }
 
+static void __net_exit __ip_vs_app_cleanup(struct net *net)
+{
+	proc_net_remove(net, "ip_vs_app");
+}
+
+static struct pernet_operations ip_vs_app_ops = {
+	.init = __ip_vs_app_init,
+	.exit = __ip_vs_app_cleanup,
+};
+
+int __init ip_vs_app_init(void)
+{
+	int rv;
+
+	rv = register_pernet_subsys(&ip_vs_app_ops);
+	return rv;
+}
+
 
 void ip_vs_app_cleanup(void)
 {
-	proc_net_remove(&init_net, "ip_vs_app");
+	unregister_pernet_subsys(&ip_vs_app_ops);
 }
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index e9adecdc8ca4..83233fe24a08 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -48,35 +48,32 @@
 /*
  * Connection hash size. Default is what was selected at compile time.
 */
-int ip_vs_conn_tab_bits = CONFIG_IP_VS_TAB_BITS;
+static int ip_vs_conn_tab_bits = CONFIG_IP_VS_TAB_BITS;
 module_param_named(conn_tab_bits, ip_vs_conn_tab_bits, int, 0444);
 MODULE_PARM_DESC(conn_tab_bits, "Set connections' hash size");
 
 /* size and mask values */
-int ip_vs_conn_tab_size;
-int ip_vs_conn_tab_mask;
+int ip_vs_conn_tab_size __read_mostly;
+static int ip_vs_conn_tab_mask __read_mostly;
 
 /*
  *  Connection hash table: for input and output packets lookups of IPVS
  */
-static struct list_head *ip_vs_conn_tab;
+static struct list_head *ip_vs_conn_tab __read_mostly;
 
 /*  SLAB cache for IPVS connections */
 static struct kmem_cache *ip_vs_conn_cachep __read_mostly;
 
-/*  counter for current IPVS connections */
-static atomic_t ip_vs_conn_count = ATOMIC_INIT(0);
-
 /*  counter for no client port connections */
 static atomic_t ip_vs_conn_no_cport_cnt = ATOMIC_INIT(0);
 
 /* random value for IPVS connection hash */
-static unsigned int ip_vs_conn_rnd;
+static unsigned int ip_vs_conn_rnd __read_mostly;
 
 /*
  *  Fine locking granularity for big connection hash table
  */
-#define CT_LOCKARRAY_BITS  4
+#define CT_LOCKARRAY_BITS  5
 #define CT_LOCKARRAY_SIZE  (1<<CT_LOCKARRAY_BITS)
 #define CT_LOCKARRAY_MASK  (CT_LOCKARRAY_SIZE-1)
 
@@ -133,19 +130,19 @@ static inline void ct_write_unlock_bh(unsigned key)
 /*
  *	Returns hash value for IPVS connection entry
  */
-static unsigned int ip_vs_conn_hashkey(int af, unsigned proto,
+static unsigned int ip_vs_conn_hashkey(struct net *net, int af, unsigned proto,
 				       const union nf_inet_addr *addr,
 				       __be16 port)
 {
 #ifdef CONFIG_IP_VS_IPV6
 	if (af == AF_INET6)
-		return jhash_3words(jhash(addr, 16, ip_vs_conn_rnd),
-				    (__force u32)port, proto, ip_vs_conn_rnd)
-			& ip_vs_conn_tab_mask;
+		return (jhash_3words(jhash(addr, 16, ip_vs_conn_rnd),
+				    (__force u32)port, proto, ip_vs_conn_rnd) ^
+			((size_t)net>>8)) & ip_vs_conn_tab_mask;
 #endif
-	return jhash_3words((__force u32)addr->ip, (__force u32)port, proto,
-			    ip_vs_conn_rnd)
-		& ip_vs_conn_tab_mask;
+	return (jhash_3words((__force u32)addr->ip, (__force u32)port, proto,
+			    ip_vs_conn_rnd) ^
+		((size_t)net>>8)) & ip_vs_conn_tab_mask;
 }
 
 static unsigned int ip_vs_conn_hashkey_param(const struct ip_vs_conn_param *p,
@@ -166,18 +163,18 @@ static unsigned int ip_vs_conn_hashkey_param(const struct ip_vs_conn_param *p,
 		port = p->vport;
 	}
 
-	return ip_vs_conn_hashkey(p->af, p->protocol, addr, port);
+	return ip_vs_conn_hashkey(p->net, p->af, p->protocol, addr, port);
 }
 
 static unsigned int ip_vs_conn_hashkey_conn(const struct ip_vs_conn *cp)
 {
 	struct ip_vs_conn_param p;
 
-	ip_vs_conn_fill_param(cp->af, cp->protocol, &cp->caddr, cp->cport,
-			      NULL, 0, &p);
+	ip_vs_conn_fill_param(ip_vs_conn_net(cp), cp->af, cp->protocol,
+			      &cp->caddr, cp->cport, NULL, 0, &p);
 
-	if (cp->dest && cp->dest->svc->pe) {
-		p.pe = cp->dest->svc->pe;
+	if (cp->pe) {
+		p.pe = cp->pe;
 		p.pe_data = cp->pe_data;
 		p.pe_data_len = cp->pe_data_len;
 	}
@@ -186,7 +183,7 @@ static unsigned int ip_vs_conn_hashkey_conn(const struct ip_vs_conn *cp)
 }
 
 /*
- *	Hashes ip_vs_conn in ip_vs_conn_tab by proto,addr,port.
+ *	Hashes ip_vs_conn in ip_vs_conn_tab by netns,proto,addr,port.
  *	returns bool success.
  */
 static inline int ip_vs_conn_hash(struct ip_vs_conn *cp)
@@ -269,11 +266,12 @@ __ip_vs_conn_in_get(const struct ip_vs_conn_param *p)
 
 	list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
 		if (cp->af == p->af &&
+		    p->cport == cp->cport && p->vport == cp->vport &&
 		    ip_vs_addr_equal(p->af, p->caddr, &cp->caddr) &&
 		    ip_vs_addr_equal(p->af, p->vaddr, &cp->vaddr) &&
-		    p->cport == cp->cport && p->vport == cp->vport &&
 		    ((!p->cport) ^ (!(cp->flags & IP_VS_CONN_F_NO_CPORT))) &&
-		    p->protocol == cp->protocol) {
+		    p->protocol == cp->protocol &&
+		    ip_vs_conn_net_eq(cp, p->net)) {
 			/* HIT */
 			atomic_inc(&cp->refcnt);
 			ct_read_unlock(hash);
@@ -313,23 +311,23 @@ ip_vs_conn_fill_param_proto(int af, const struct sk_buff *skb,
 			    struct ip_vs_conn_param *p)
 {
 	__be16 _ports[2], *pptr;
+	struct net *net = skb_net(skb);
 
 	pptr = skb_header_pointer(skb, proto_off, sizeof(_ports), _ports);
 	if (pptr == NULL)
 		return 1;
 
 	if (likely(!inverse))
-		ip_vs_conn_fill_param(af, iph->protocol, &iph->saddr, pptr[0],
-				      &iph->daddr, pptr[1], p);
+		ip_vs_conn_fill_param(net, af, iph->protocol, &iph->saddr,
+				      pptr[0], &iph->daddr, pptr[1], p);
 	else
-		ip_vs_conn_fill_param(af, iph->protocol, &iph->daddr, pptr[1],
-				      &iph->saddr, pptr[0], p);
+		ip_vs_conn_fill_param(net, af, iph->protocol, &iph->daddr,
+				      pptr[1], &iph->saddr, pptr[0], p);
 	return 0;
 }
 
 struct ip_vs_conn *
 ip_vs_conn_in_get_proto(int af, const struct sk_buff *skb,
-			struct ip_vs_protocol *pp,
 			const struct ip_vs_iphdr *iph,
 			unsigned int proto_off, int inverse)
 {
@@ -353,8 +351,10 @@ struct ip_vs_conn *ip_vs_ct_in_get(const struct ip_vs_conn_param *p)
 	ct_read_lock(hash);
 
 	list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
+		if (!ip_vs_conn_net_eq(cp, p->net))
+			continue;
 		if (p->pe_data && p->pe->ct_match) {
-			if (p->pe->ct_match(p, cp))
+			if (p->pe == cp->pe && p->pe->ct_match(p, cp))
 				goto out;
 			continue;
 		}
@@ -404,10 +404,11 @@ struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p)
 
 	list_for_each_entry(cp, &ip_vs_conn_tab[hash], c_list) {
 		if (cp->af == p->af &&
+		    p->vport == cp->cport && p->cport == cp->dport &&
 		    ip_vs_addr_equal(p->af, p->vaddr, &cp->caddr) &&
 		    ip_vs_addr_equal(p->af, p->caddr, &cp->daddr) &&
-		    p->vport == cp->cport && p->cport == cp->dport &&
-		    p->protocol == cp->protocol) {
+		    p->protocol == cp->protocol &&
+		    ip_vs_conn_net_eq(cp, p->net)) {
 			/* HIT */
 			atomic_inc(&cp->refcnt);
 			ret = cp;
@@ -428,7 +429,6 @@ struct ip_vs_conn *ip_vs_conn_out_get(const struct ip_vs_conn_param *p)
 
 struct ip_vs_conn *
 ip_vs_conn_out_get_proto(int af, const struct sk_buff *skb,
-			 struct ip_vs_protocol *pp,
 			 const struct ip_vs_iphdr *iph,
 			 unsigned int proto_off, int inverse)
 {
@@ -611,9 +611,9 @@ struct ip_vs_dest *ip_vs_try_bind_dest(struct ip_vs_conn *cp)
 	struct ip_vs_dest *dest;
 
 	if ((cp) && (!cp->dest)) {
-		dest = ip_vs_find_dest(cp->af, &cp->daddr, cp->dport,
-				       &cp->vaddr, cp->vport,
-				       cp->protocol);
+		dest = ip_vs_find_dest(ip_vs_conn_net(cp), cp->af, &cp->daddr,
+				       cp->dport, &cp->vaddr, cp->vport,
+				       cp->protocol, cp->fwmark);
 		ip_vs_bind_dest(cp, dest);
 		return dest;
 	} else
@@ -686,13 +686,14 @@ static inline void ip_vs_unbind_dest(struct ip_vs_conn *cp)
 int ip_vs_check_template(struct ip_vs_conn *ct)
 {
 	struct ip_vs_dest *dest = ct->dest;
+	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(ct));
 
 	/*
 	 * Checking the dest server status.
 	 */
 	if ((dest == NULL) ||
 	    !(dest->flags & IP_VS_DEST_F_AVAILABLE) ||
-	    (sysctl_ip_vs_expire_quiescent_template &&
+	    (ipvs->sysctl_expire_quiescent_template &&
 	     (atomic_read(&dest->weight) == 0))) {
 		IP_VS_DBG_BUF(9, "check_template: dest not available for "
 			      "protocol %s s:%s:%d v:%s:%d "
@@ -730,6 +731,7 @@ int ip_vs_check_template(struct ip_vs_conn *ct)
 static void ip_vs_conn_expire(unsigned long data)
 {
 	struct ip_vs_conn *cp = (struct ip_vs_conn *)data;
+	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(cp));
 
 	cp->timeout = 60*HZ;
 
@@ -765,13 +767,14 @@ static void ip_vs_conn_expire(unsigned long data)
 		if (cp->flags & IP_VS_CONN_F_NFCT)
 			ip_vs_conn_drop_conntrack(cp);
 
+		ip_vs_pe_put(cp->pe);
 		kfree(cp->pe_data);
 		if (unlikely(cp->app != NULL))
 			ip_vs_unbind_app(cp);
 		ip_vs_unbind_dest(cp);
 		if (cp->flags & IP_VS_CONN_F_NO_CPORT)
 			atomic_dec(&ip_vs_conn_no_cport_cnt);
-		atomic_dec(&ip_vs_conn_count);
+		atomic_dec(&ipvs->conn_count);
 
 		kmem_cache_free(ip_vs_conn_cachep, cp);
 		return;
@@ -802,10 +805,12 @@ void ip_vs_conn_expire_now(struct ip_vs_conn *cp)
 struct ip_vs_conn *
 ip_vs_conn_new(const struct ip_vs_conn_param *p,
 	       const union nf_inet_addr *daddr, __be16 dport, unsigned flags,
-	       struct ip_vs_dest *dest)
+	       struct ip_vs_dest *dest, __u32 fwmark)
 {
 	struct ip_vs_conn *cp;
-	struct ip_vs_protocol *pp = ip_vs_proto_get(p->protocol);
+	struct netns_ipvs *ipvs = net_ipvs(p->net);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(p->net,
+							   p->protocol);
 
 	cp = kmem_cache_zalloc(ip_vs_conn_cachep, GFP_ATOMIC);
 	if (cp == NULL) {
@@ -815,6 +820,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
 
 	INIT_LIST_HEAD(&cp->c_list);
 	setup_timer(&cp->timer, ip_vs_conn_expire, (unsigned long)cp);
+	ip_vs_conn_net_set(cp, p->net);
 	cp->af		   = p->af;
 	cp->protocol	   = p->protocol;
 	ip_vs_addr_copy(p->af, &cp->caddr, p->caddr);
@@ -826,7 +832,10 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
 			&cp->daddr, daddr);
 	cp->dport          = dport;
 	cp->flags	   = flags;
-	if (flags & IP_VS_CONN_F_TEMPLATE && p->pe_data) {
+	cp->fwmark         = fwmark;
+	if (flags & IP_VS_CONN_F_TEMPLATE && p->pe) {
+		ip_vs_pe_get(p->pe);
+		cp->pe = p->pe;
 		cp->pe_data = p->pe_data;
 		cp->pe_data_len = p->pe_data_len;
 	}
@@ -842,7 +851,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
 	atomic_set(&cp->n_control, 0);
 	atomic_set(&cp->in_pkts, 0);
 
-	atomic_inc(&ip_vs_conn_count);
+	atomic_inc(&ipvs->conn_count);
 	if (flags & IP_VS_CONN_F_NO_CPORT)
 		atomic_inc(&ip_vs_conn_no_cport_cnt);
 
@@ -861,8 +870,8 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
 #endif
 		ip_vs_bind_xmit(cp);
 
-	if (unlikely(pp && atomic_read(&pp->appcnt)))
-		ip_vs_bind_app(cp, pp);
+	if (unlikely(pd && atomic_read(&pd->appcnt)))
+		ip_vs_bind_app(cp, pd->pp);
 
 	/*
 	 * Allow conntrack to be preserved. By default, conntrack
@@ -871,7 +880,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
 	 * IP_VS_CONN_F_ONE_PACKET too.
 	 */
 
-	if (ip_vs_conntrack_enabled())
+	if (ip_vs_conntrack_enabled(ipvs))
 		cp->flags |= IP_VS_CONN_F_NFCT;
 
 	/* Hash it in the ip_vs_conn_tab finally */
@@ -884,17 +893,22 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p,
  *	/proc/net/ip_vs_conn entries
  */
 #ifdef CONFIG_PROC_FS
+struct ip_vs_iter_state {
+	struct seq_net_private p;
+	struct list_head *l;
+};
 
 static void *ip_vs_conn_array(struct seq_file *seq, loff_t pos)
 {
 	int idx;
 	struct ip_vs_conn *cp;
+	struct ip_vs_iter_state *iter = seq->private;
 
 	for (idx = 0; idx < ip_vs_conn_tab_size; idx++) {
 		ct_read_lock_bh(idx);
 		list_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) {
 			if (pos-- == 0) {
-				seq->private = &ip_vs_conn_tab[idx];
+				iter->l = &ip_vs_conn_tab[idx];
 			return cp;
 			}
 		}
@@ -906,14 +920,17 @@ static void *ip_vs_conn_array(struct seq_file *seq, loff_t pos)
 
 static void *ip_vs_conn_seq_start(struct seq_file *seq, loff_t *pos)
 {
-	seq->private = NULL;
+	struct ip_vs_iter_state *iter = seq->private;
+
+	iter->l = NULL;
 	return *pos ? ip_vs_conn_array(seq, *pos - 1) :SEQ_START_TOKEN;
 }
 
 static void *ip_vs_conn_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct ip_vs_conn *cp = v;
-	struct list_head *e, *l = seq->private;
+	struct ip_vs_iter_state *iter = seq->private;
+	struct list_head *e, *l = iter->l;
 	int idx;
 
 	++*pos;
@@ -930,18 +947,19 @@ static void *ip_vs_conn_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 	while (++idx < ip_vs_conn_tab_size) {
 		ct_read_lock_bh(idx);
 		list_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) {
-			seq->private = &ip_vs_conn_tab[idx];
+			iter->l = &ip_vs_conn_tab[idx];
 			return cp;
 		}
 		ct_read_unlock_bh(idx);
 	}
-	seq->private = NULL;
+	iter->l = NULL;
 	return NULL;
 }
 
 static void ip_vs_conn_seq_stop(struct seq_file *seq, void *v)
 {
-	struct list_head *l = seq->private;
+	struct ip_vs_iter_state *iter = seq->private;
+	struct list_head *l = iter->l;
 
 	if (l)
 		ct_read_unlock_bh(l - ip_vs_conn_tab);
@@ -955,18 +973,19 @@ static int ip_vs_conn_seq_show(struct seq_file *seq, void *v)
    "Pro FromIP   FPrt ToIP     TPrt DestIP   DPrt State       Expires PEName PEData\n");
 	else {
 		const struct ip_vs_conn *cp = v;
+		struct net *net = seq_file_net(seq);
 		char pe_data[IP_VS_PENAME_MAXLEN + IP_VS_PEDATA_MAXLEN + 3];
 		size_t len = 0;
 
-		if (cp->dest && cp->pe_data &&
-		    cp->dest->svc->pe->show_pe_data) {
+		if (!ip_vs_conn_net_eq(cp, net))
+			return 0;
+		if (cp->pe_data) {
 			pe_data[0] = ' ';
-			len = strlen(cp->dest->svc->pe->name);
-			memcpy(pe_data + 1, cp->dest->svc->pe->name, len);
+			len = strlen(cp->pe->name);
+			memcpy(pe_data + 1, cp->pe->name, len);
 			pe_data[len + 1] = ' ';
 			len += 2;
-			len += cp->dest->svc->pe->show_pe_data(cp,
-							       pe_data + len);
+			len += cp->pe->show_pe_data(cp, pe_data + len);
 		}
 		pe_data[len] = '\0';
 
@@ -1004,7 +1023,8 @@ static const struct seq_operations ip_vs_conn_seq_ops = {
 
 static int ip_vs_conn_open(struct inode *inode, struct file *file)
 {
-	return seq_open(file, &ip_vs_conn_seq_ops);
+	return seq_open_net(inode, file, &ip_vs_conn_seq_ops,
+			    sizeof(struct ip_vs_iter_state));
 }
 
 static const struct file_operations ip_vs_conn_fops = {
@@ -1031,6 +1051,10 @@ static int ip_vs_conn_sync_seq_show(struct seq_file *seq, void *v)
    "Pro FromIP   FPrt ToIP     TPrt DestIP   DPrt State       Origin Expires\n");
 	else {
 		const struct ip_vs_conn *cp = v;
+		struct net *net = seq_file_net(seq);
+
+		if (!ip_vs_conn_net_eq(cp, net))
+			return 0;
 
 #ifdef CONFIG_IP_VS_IPV6
 		if (cp->af == AF_INET6)
@@ -1067,7 +1091,8 @@ static const struct seq_operations ip_vs_conn_sync_seq_ops = {
 
 static int ip_vs_conn_sync_open(struct inode *inode, struct file *file)
 {
-	return seq_open(file, &ip_vs_conn_sync_seq_ops);
+	return seq_open_net(inode, file, &ip_vs_conn_sync_seq_ops,
+			    sizeof(struct ip_vs_iter_state));
 }
 
 static const struct file_operations ip_vs_conn_sync_fops = {
@@ -1113,7 +1138,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp)
 }
 
 /* Called from keventd and must protect itself from softirqs */
-void ip_vs_random_dropentry(void)
+void ip_vs_random_dropentry(struct net *net)
 {
 	int idx;
 	struct ip_vs_conn *cp;
@@ -1133,7 +1158,8 @@ void ip_vs_random_dropentry(void)
 			if (cp->flags & IP_VS_CONN_F_TEMPLATE)
 				/* connection template */
 				continue;
-
+			if (!ip_vs_conn_net_eq(cp, net))
+				continue;
 			if (cp->protocol == IPPROTO_TCP) {
 				switch(cp->state) {
 				case IP_VS_TCP_S_SYN_RECV:
@@ -1168,12 +1194,13 @@ void ip_vs_random_dropentry(void)
 /*
  *      Flush all the connection entries in the ip_vs_conn_tab
  */
-static void ip_vs_conn_flush(void)
+static void ip_vs_conn_flush(struct net *net)
 {
 	int idx;
 	struct ip_vs_conn *cp;
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
-  flush_again:
+flush_again:
 	for (idx = 0; idx < ip_vs_conn_tab_size; idx++) {
 		/*
 		 *  Lock is actually needed in this loop.
@@ -1181,7 +1208,8 @@ static void ip_vs_conn_flush(void)
 		ct_write_lock_bh(idx);
 
 		list_for_each_entry(cp, &ip_vs_conn_tab[idx], c_list) {
-
+			if (!ip_vs_conn_net_eq(cp, net))
+				continue;
 			IP_VS_DBG(4, "del connection\n");
 			ip_vs_conn_expire_now(cp);
 			if (cp->control) {
@@ -1194,16 +1222,41 @@ static void ip_vs_conn_flush(void)
 
 	/* the counter may be not NULL, because maybe some conn entries
 	   are run by slow timer handler or unhashed but still referred */
-	if (atomic_read(&ip_vs_conn_count) != 0) {
+	if (atomic_read(&ipvs->conn_count) != 0) {
 		schedule();
 		goto flush_again;
 	}
 }
+/*
+ * per netns init and exit
+ */
+int __net_init __ip_vs_conn_init(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	atomic_set(&ipvs->conn_count, 0);
+
+	proc_net_fops_create(net, "ip_vs_conn", 0, &ip_vs_conn_fops);
+	proc_net_fops_create(net, "ip_vs_conn_sync", 0, &ip_vs_conn_sync_fops);
+	return 0;
+}
 
+static void __net_exit __ip_vs_conn_cleanup(struct net *net)
+{
+	/* flush all the connection entries first */
+	ip_vs_conn_flush(net);
+	proc_net_remove(net, "ip_vs_conn");
+	proc_net_remove(net, "ip_vs_conn_sync");
+}
+static struct pernet_operations ipvs_conn_ops = {
+	.init = __ip_vs_conn_init,
+	.exit = __ip_vs_conn_cleanup,
+};
 
 int __init ip_vs_conn_init(void)
 {
 	int idx;
+	int retc;
 
 	/* Compute size and mask */
 	ip_vs_conn_tab_size = 1 << ip_vs_conn_tab_bits;
@@ -1241,24 +1294,18 @@ int __init ip_vs_conn_init(void)
 		rwlock_init(&__ip_vs_conntbl_lock_array[idx].l);
 	}
 
-	proc_net_fops_create(&init_net, "ip_vs_conn", 0, &ip_vs_conn_fops);
-	proc_net_fops_create(&init_net, "ip_vs_conn_sync", 0, &ip_vs_conn_sync_fops);
+	retc = register_pernet_subsys(&ipvs_conn_ops);
 
 	/* calculate the random value for connection hash */
 	get_random_bytes(&ip_vs_conn_rnd, sizeof(ip_vs_conn_rnd));
 
-	return 0;
+	return retc;
 }
 
-
 void ip_vs_conn_cleanup(void)
 {
-	/* flush all the connection entries first */
-	ip_vs_conn_flush();
-
+	unregister_pernet_subsys(&ipvs_conn_ops);
 	/* Release the empty cache */
 	kmem_cache_destroy(ip_vs_conn_cachep);
-	proc_net_remove(&init_net, "ip_vs_conn");
-	proc_net_remove(&init_net, "ip_vs_conn_sync");
 	vfree(ip_vs_conn_tab);
 }
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index b4e51e9c5a04..f36a84f33efb 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -41,6 +41,7 @@
 #include <net/icmp.h>                   /* for icmp_send */
 #include <net/route.h>
 #include <net/ip6_checksum.h>
+#include <net/netns/generic.h>		/* net_generic() */
 
 #include <linux/netfilter.h>
 #include <linux/netfilter_ipv4.h>
@@ -68,6 +69,12 @@ EXPORT_SYMBOL(ip_vs_conn_put);
 EXPORT_SYMBOL(ip_vs_get_debug_level);
 #endif
 
+int ip_vs_net_id __read_mostly;
+#ifdef IP_VS_GENERIC_NETNS
+EXPORT_SYMBOL(ip_vs_net_id);
+#endif
+/* netns cnt used for uniqueness */
+static atomic_t ipvs_netns_cnt = ATOMIC_INIT(0);
 
 /* ID used in ICMP lookups */
 #define icmp_id(icmph)          (((icmph)->un).echo.id)
@@ -108,21 +115,28 @@ static inline void
 ip_vs_in_stats(struct ip_vs_conn *cp, struct sk_buff *skb)
 {
 	struct ip_vs_dest *dest = cp->dest;
+	struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
+
 	if (dest && (dest->flags & IP_VS_DEST_F_AVAILABLE)) {
-		spin_lock(&dest->stats.lock);
-		dest->stats.ustats.inpkts++;
-		dest->stats.ustats.inbytes += skb->len;
-		spin_unlock(&dest->stats.lock);
-
-		spin_lock(&dest->svc->stats.lock);
-		dest->svc->stats.ustats.inpkts++;
-		dest->svc->stats.ustats.inbytes += skb->len;
-		spin_unlock(&dest->svc->stats.lock);
-
-		spin_lock(&ip_vs_stats.lock);
-		ip_vs_stats.ustats.inpkts++;
-		ip_vs_stats.ustats.inbytes += skb->len;
-		spin_unlock(&ip_vs_stats.lock);
+		struct ip_vs_cpu_stats *s;
+
+		s = this_cpu_ptr(dest->stats.cpustats);
+		s->ustats.inpkts++;
+		u64_stats_update_begin(&s->syncp);
+		s->ustats.inbytes += skb->len;
+		u64_stats_update_end(&s->syncp);
+
+		s = this_cpu_ptr(dest->svc->stats.cpustats);
+		s->ustats.inpkts++;
+		u64_stats_update_begin(&s->syncp);
+		s->ustats.inbytes += skb->len;
+		u64_stats_update_end(&s->syncp);
+
+		s = this_cpu_ptr(ipvs->cpustats);
+		s->ustats.inpkts++;
+		u64_stats_update_begin(&s->syncp);
+		s->ustats.inbytes += skb->len;
+		u64_stats_update_end(&s->syncp);
 	}
 }
 
@@ -131,21 +145,28 @@ static inline void
 ip_vs_out_stats(struct ip_vs_conn *cp, struct sk_buff *skb)
 {
 	struct ip_vs_dest *dest = cp->dest;
+	struct netns_ipvs *ipvs = net_ipvs(skb_net(skb));
+
 	if (dest && (dest->flags & IP_VS_DEST_F_AVAILABLE)) {
-		spin_lock(&dest->stats.lock);
-		dest->stats.ustats.outpkts++;
-		dest->stats.ustats.outbytes += skb->len;
-		spin_unlock(&dest->stats.lock);
-
-		spin_lock(&dest->svc->stats.lock);
-		dest->svc->stats.ustats.outpkts++;
-		dest->svc->stats.ustats.outbytes += skb->len;
-		spin_unlock(&dest->svc->stats.lock);
-
-		spin_lock(&ip_vs_stats.lock);
-		ip_vs_stats.ustats.outpkts++;
-		ip_vs_stats.ustats.outbytes += skb->len;
-		spin_unlock(&ip_vs_stats.lock);
+		struct ip_vs_cpu_stats *s;
+
+		s = this_cpu_ptr(dest->stats.cpustats);
+		s->ustats.outpkts++;
+		u64_stats_update_begin(&s->syncp);
+		s->ustats.outbytes += skb->len;
+		u64_stats_update_end(&s->syncp);
+
+		s = this_cpu_ptr(dest->svc->stats.cpustats);
+		s->ustats.outpkts++;
+		u64_stats_update_begin(&s->syncp);
+		s->ustats.outbytes += skb->len;
+		u64_stats_update_end(&s->syncp);
+
+		s = this_cpu_ptr(ipvs->cpustats);
+		s->ustats.outpkts++;
+		u64_stats_update_begin(&s->syncp);
+		s->ustats.outbytes += skb->len;
+		u64_stats_update_end(&s->syncp);
 	}
 }
 
@@ -153,41 +174,44 @@ ip_vs_out_stats(struct ip_vs_conn *cp, struct sk_buff *skb)
 static inline void
 ip_vs_conn_stats(struct ip_vs_conn *cp, struct ip_vs_service *svc)
 {
-	spin_lock(&cp->dest->stats.lock);
-	cp->dest->stats.ustats.conns++;
-	spin_unlock(&cp->dest->stats.lock);
+	struct netns_ipvs *ipvs = net_ipvs(svc->net);
+	struct ip_vs_cpu_stats *s;
+
+	s = this_cpu_ptr(cp->dest->stats.cpustats);
+	s->ustats.conns++;
 
-	spin_lock(&svc->stats.lock);
-	svc->stats.ustats.conns++;
-	spin_unlock(&svc->stats.lock);
+	s = this_cpu_ptr(svc->stats.cpustats);
+	s->ustats.conns++;
 
-	spin_lock(&ip_vs_stats.lock);
-	ip_vs_stats.ustats.conns++;
-	spin_unlock(&ip_vs_stats.lock);
+	s = this_cpu_ptr(ipvs->cpustats);
+	s->ustats.conns++;
 }
 
 
 static inline int
 ip_vs_set_state(struct ip_vs_conn *cp, int direction,
 		const struct sk_buff *skb,
-		struct ip_vs_protocol *pp)
+		struct ip_vs_proto_data *pd)
 {
-	if (unlikely(!pp->state_transition))
+	if (unlikely(!pd->pp->state_transition))
 		return 0;
-	return pp->state_transition(cp, direction, skb, pp);
+	return pd->pp->state_transition(cp, direction, skb, pd);
 }
 
-static inline void
+static inline int
 ip_vs_conn_fill_param_persist(const struct ip_vs_service *svc,
 			      struct sk_buff *skb, int protocol,
 			      const union nf_inet_addr *caddr, __be16 cport,
 			      const union nf_inet_addr *vaddr, __be16 vport,
 			      struct ip_vs_conn_param *p)
 {
-	ip_vs_conn_fill_param(svc->af, protocol, caddr, cport, vaddr, vport, p);
+	ip_vs_conn_fill_param(svc->net, svc->af, protocol, caddr, cport, vaddr,
+			      vport, p);
 	p->pe = svc->pe;
 	if (p->pe && p->pe->fill_param)
-		p->pe->fill_param(p, skb);
+		return p->pe->fill_param(p, skb);
+
+	return 0;
 }
 
 /*
@@ -200,7 +224,7 @@ ip_vs_conn_fill_param_persist(const struct ip_vs_service *svc,
 static struct ip_vs_conn *
 ip_vs_sched_persist(struct ip_vs_service *svc,
 		    struct sk_buff *skb,
-		    __be16 ports[2])
+		    __be16 src_port, __be16 dst_port, int *ignored)
 {
 	struct ip_vs_conn *cp = NULL;
 	struct ip_vs_iphdr iph;
@@ -224,8 +248,8 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 
 	IP_VS_DBG_BUF(6, "p-schedule: src %s:%u dest %s:%u "
 		      "mnet %s\n",
-		      IP_VS_DBG_ADDR(svc->af, &iph.saddr), ntohs(ports[0]),
-		      IP_VS_DBG_ADDR(svc->af, &iph.daddr), ntohs(ports[1]),
+		      IP_VS_DBG_ADDR(svc->af, &iph.saddr), ntohs(src_port),
+		      IP_VS_DBG_ADDR(svc->af, &iph.daddr), ntohs(dst_port),
 		      IP_VS_DBG_ADDR(svc->af, &snet));
 
 	/*
@@ -247,14 +271,14 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 		const union nf_inet_addr fwmark = { .ip = htonl(svc->fwmark) };
 		__be16 vport = 0;
 
-		if (ports[1] == svc->port) {
+		if (dst_port == svc->port) {
 			/* non-FTP template:
 			 * <protocol, caddr, 0, vaddr, vport, daddr, dport>
 			 * FTP template:
 			 * <protocol, caddr, 0, vaddr, 0, daddr, 0>
 			 */
 			if (svc->port != FTPPORT)
-				vport = ports[1];
+				vport = dst_port;
 		} else {
 			/* Note: persistent fwmark-based services and
 			 * persistent port zero service are handled here.
@@ -268,24 +292,31 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 				vaddr = &fwmark;
 			}
 		}
-		ip_vs_conn_fill_param_persist(svc, skb, protocol, &snet, 0,
-					      vaddr, vport, &param);
+		/* return *ignored = -1 so NF_DROP can be used */
+		if (ip_vs_conn_fill_param_persist(svc, skb, protocol, &snet, 0,
+						  vaddr, vport, &param) < 0) {
+			*ignored = -1;
+			return NULL;
+		}
 	}
 
 	/* Check if a template already exists */
 	ct = ip_vs_ct_in_get(&param);
 	if (!ct || !ip_vs_check_template(ct)) {
-		/* No template found or the dest of the connection
+		/*
+		 * No template found or the dest of the connection
 		 * template is not available.
+		 * return *ignored=0 i.e. ICMP and NF_DROP
 		 */
 		dest = svc->scheduler->schedule(svc, skb);
 		if (!dest) {
 			IP_VS_DBG(1, "p-schedule: no dest found.\n");
 			kfree(param.pe_data);
+			*ignored = 0;
 			return NULL;
 		}
 
-		if (ports[1] == svc->port && svc->port != FTPPORT)
+		if (dst_port == svc->port && svc->port != FTPPORT)
 			dport = dest->port;
 
 		/* Create a template
@@ -293,9 +324,10 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 		 * and thus param.pe_data will be destroyed
 		 * when the template expires */
 		ct = ip_vs_conn_new(&param, &dest->addr, dport,
-				    IP_VS_CONN_F_TEMPLATE, dest);
+				    IP_VS_CONN_F_TEMPLATE, dest, skb->mark);
 		if (ct == NULL) {
 			kfree(param.pe_data);
+			*ignored = -1;
 			return NULL;
 		}
 
@@ -306,7 +338,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 		kfree(param.pe_data);
 	}
 
-	dport = ports[1];
+	dport = dst_port;
 	if (dport == svc->port && dest->port)
 		dport = dest->port;
 
@@ -317,11 +349,13 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 	/*
 	 *    Create a new connection according to the template
 	 */
-	ip_vs_conn_fill_param(svc->af, iph.protocol, &iph.saddr, ports[0],
-			      &iph.daddr, ports[1], &param);
-	cp = ip_vs_conn_new(&param, &dest->addr, dport, flags, dest);
+	ip_vs_conn_fill_param(svc->net, svc->af, iph.protocol, &iph.saddr,
+			      src_port, &iph.daddr, dst_port, &param);
+
+	cp = ip_vs_conn_new(&param, &dest->addr, dport, flags, dest, skb->mark);
 	if (cp == NULL) {
 		ip_vs_conn_put(ct);
+		*ignored = -1;
 		return NULL;
 	}
 
@@ -341,11 +375,27 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
  *  It selects a server according to the virtual service, and
  *  creates a connection entry.
  *  Protocols supported: TCP, UDP
+ *
+ *  Usage of *ignored
+ *
+ * 1 :   protocol tried to schedule (eg. on SYN), found svc but the
+ *       svc/scheduler decides that this packet should be accepted with
+ *       NF_ACCEPT because it must not be scheduled.
+ *
+ * 0 :   scheduler can not find destination, so try bypass or
+ *       return ICMP and then NF_DROP (ip_vs_leave).
+ *
+ * -1 :  scheduler tried to schedule but fatal error occurred, eg.
+ *       ip_vs_conn_new failure (ENOMEM) or ip_vs_sip_fill_param
+ *       failure such as missing Call-ID, ENOMEM on skb_linearize
+ *       or pe_data. In this case we should return NF_DROP without
+ *       any attempts to send ICMP with ip_vs_leave.
  */
 struct ip_vs_conn *
 ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
-	       struct ip_vs_protocol *pp, int *ignored)
+	       struct ip_vs_proto_data *pd, int *ignored)
 {
+	struct ip_vs_protocol *pp = pd->pp;
 	struct ip_vs_conn *cp = NULL;
 	struct ip_vs_iphdr iph;
 	struct ip_vs_dest *dest;
@@ -371,12 +421,10 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
 	}
 
 	/*
-	 * Do not schedule replies from local real server. It is risky
-	 * for fwmark services but mostly for persistent services.
+	 *    Do not schedule replies from local real server.
 	 */
 	if ((!skb->dev || skb->dev->flags & IFF_LOOPBACK) &&
-	    (svc->flags & IP_VS_SVC_F_PERSISTENT || svc->fwmark) &&
-	    (cp = pp->conn_in_get(svc->af, skb, pp, &iph, iph.len, 1))) {
+	    (cp = pp->conn_in_get(svc->af, skb, &iph, iph.len, 1))) {
 		IP_VS_DBG_PKT(12, svc->af, pp, skb, 0,
 			      "Not scheduling reply for existing connection");
 		__ip_vs_conn_put(cp);
@@ -386,10 +434,10 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
 	/*
 	 *    Persistent service
 	 */
-	if (svc->flags & IP_VS_SVC_F_PERSISTENT) {
-		*ignored = 0;
-		return ip_vs_sched_persist(svc, skb, pptr);
-	}
+	if (svc->flags & IP_VS_SVC_F_PERSISTENT)
+		return ip_vs_sched_persist(svc, skb, pptr[0], pptr[1], ignored);
+
+	*ignored = 0;
 
 	/*
 	 *    Non-persistent service
@@ -402,8 +450,6 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
 		return NULL;
 	}
 
-	*ignored = 0;
-
 	dest = svc->scheduler->schedule(svc, skb);
 	if (dest == NULL) {
 		IP_VS_DBG(1, "Schedule: no dest found.\n");
@@ -419,13 +465,17 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
 	 */
 	{
 		struct ip_vs_conn_param p;
-		ip_vs_conn_fill_param(svc->af, iph.protocol, &iph.saddr,
-				      pptr[0], &iph.daddr, pptr[1], &p);
+
+		ip_vs_conn_fill_param(svc->net, svc->af, iph.protocol,
+				      &iph.saddr, pptr[0], &iph.daddr, pptr[1],
+				      &p);
 		cp = ip_vs_conn_new(&p, &dest->addr,
 				    dest->port ? dest->port : pptr[1],
-				    flags, dest);
-		if (!cp)
+				    flags, dest, skb->mark);
+		if (!cp) {
+			*ignored = -1;
 			return NULL;
+		}
 	}
 
 	IP_VS_DBG_BUF(6, "Schedule fwd:%c c:%s:%u v:%s:%u "
@@ -447,11 +497,14 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
  *  no destination is available for a new connection.
  */
 int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
-		struct ip_vs_protocol *pp)
+		struct ip_vs_proto_data *pd)
 {
+	struct net *net;
+	struct netns_ipvs *ipvs;
 	__be16 _ports[2], *pptr;
 	struct ip_vs_iphdr iph;
 	int unicast;
+
 	ip_vs_fill_iphdr(svc->af, skb_network_header(skb), &iph);
 
 	pptr = skb_header_pointer(skb, iph.len, sizeof(_ports), _ports);
@@ -459,18 +512,20 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
 		ip_vs_service_put(svc);
 		return NF_DROP;
 	}
+	net = skb_net(skb);
 
 #ifdef CONFIG_IP_VS_IPV6
 	if (svc->af == AF_INET6)
 		unicast = ipv6_addr_type(&iph.daddr.in6) & IPV6_ADDR_UNICAST;
 	else
 #endif
-		unicast = (inet_addr_type(&init_net, iph.daddr.ip) == RTN_UNICAST);
+		unicast = (inet_addr_type(net, iph.daddr.ip) == RTN_UNICAST);
 
 	/* if it is fwmark-based service, the cache_bypass sysctl is up
 	   and the destination is a non-local unicast, then create
 	   a cache_bypass connection entry */
-	if (sysctl_ip_vs_cache_bypass && svc->fwmark && unicast) {
+	ipvs = net_ipvs(net);
+	if (ipvs->sysctl_cache_bypass && svc->fwmark && unicast) {
 		int ret, cs;
 		struct ip_vs_conn *cp;
 		unsigned int flags = (svc->flags & IP_VS_SVC_F_ONEPACKET &&
@@ -484,12 +539,12 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
 		IP_VS_DBG(6, "%s(): create a cache_bypass entry\n", __func__);
 		{
 			struct ip_vs_conn_param p;
-			ip_vs_conn_fill_param(svc->af, iph.protocol,
+			ip_vs_conn_fill_param(svc->net, svc->af, iph.protocol,
 					      &iph.saddr, pptr[0],
 					      &iph.daddr, pptr[1], &p);
 			cp = ip_vs_conn_new(&p, &daddr, 0,
 					    IP_VS_CONN_F_BYPASS | flags,
-					    NULL);
+					    NULL, skb->mark);
 			if (!cp)
 				return NF_DROP;
 		}
@@ -498,10 +553,10 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
 		ip_vs_in_stats(cp, skb);
 
 		/* set state */
-		cs = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pp);
+		cs = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
 
 		/* transmit the first SYN packet */
-		ret = cp->packet_xmit(skb, cp, pp);
+		ret = cp->packet_xmit(skb, cp, pd->pp);
 		/* do not touch skb anymore */
 
 		atomic_inc(&cp->in_pkts);
@@ -682,6 +737,7 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
 				struct ip_vs_protocol *pp,
 				unsigned int offset, unsigned int ihl)
 {
+	struct netns_ipvs *ipvs;
 	unsigned int verdict = NF_DROP;
 
 	if (IP_VS_FWD_METHOD(cp) != 0) {
@@ -703,6 +759,8 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
 	if (!skb_make_writable(skb, offset))
 		goto out;
 
+	ipvs = net_ipvs(skb_net(skb));
+
 #ifdef CONFIG_IP_VS_IPV6
 	if (af == AF_INET6)
 		ip_vs_nat_icmp_v6(skb, pp, cp, 1);
@@ -712,11 +770,11 @@ static int handle_response_icmp(int af, struct sk_buff *skb,
 
 #ifdef CONFIG_IP_VS_IPV6
 	if (af == AF_INET6) {
-		if (sysctl_ip_vs_snat_reroute && ip6_route_me_harder(skb) != 0)
+		if (ipvs->sysctl_snat_reroute && ip6_route_me_harder(skb) != 0)
 			goto out;
 	} else
 #endif
-		if ((sysctl_ip_vs_snat_reroute ||
+		if ((ipvs->sysctl_snat_reroute ||
 		     skb_rtable(skb)->rt_flags & RTCF_LOCAL) &&
 		    ip_route_me_harder(skb, RTN_LOCAL) != 0)
 			goto out;
@@ -808,7 +866,7 @@ static int ip_vs_out_icmp(struct sk_buff *skb, int *related,
 
 	ip_vs_fill_iphdr(AF_INET, cih, &ciph);
 	/* The embedded headers contain source and dest in reverse order */
-	cp = pp->conn_out_get(AF_INET, skb, pp, &ciph, offset, 1);
+	cp = pp->conn_out_get(AF_INET, skb, &ciph, offset, 1);
 	if (!cp)
 		return NF_ACCEPT;
 
@@ -885,7 +943,7 @@ static int ip_vs_out_icmp_v6(struct sk_buff *skb, int *related,
 
 	ip_vs_fill_iphdr(AF_INET6, cih, &ciph);
 	/* The embedded headers contain source and dest in reverse order */
-	cp = pp->conn_out_get(AF_INET6, skb, pp, &ciph, offset, 1);
+	cp = pp->conn_out_get(AF_INET6, skb, &ciph, offset, 1);
 	if (!cp)
 		return NF_ACCEPT;
 
@@ -924,9 +982,12 @@ static inline int is_tcp_reset(const struct sk_buff *skb, int nh_len)
  * Used for NAT and local client.
  */
 static unsigned int
-handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+handle_response(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		struct ip_vs_conn *cp, int ihl)
 {
+	struct ip_vs_protocol *pp = pd->pp;
+	struct netns_ipvs *ipvs;
+
 	IP_VS_DBG_PKT(11, af, pp, skb, 0, "Outgoing packet");
 
 	if (!skb_make_writable(skb, ihl))
@@ -961,13 +1022,15 @@ handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 	 * if it came from this machine itself.  So re-compute
 	 * the routing information.
 	 */
+	ipvs = net_ipvs(skb_net(skb));
+
 #ifdef CONFIG_IP_VS_IPV6
 	if (af == AF_INET6) {
-		if (sysctl_ip_vs_snat_reroute && ip6_route_me_harder(skb) != 0)
+		if (ipvs->sysctl_snat_reroute && ip6_route_me_harder(skb) != 0)
 			goto drop;
 	} else
 #endif
-		if ((sysctl_ip_vs_snat_reroute ||
+		if ((ipvs->sysctl_snat_reroute ||
 		     skb_rtable(skb)->rt_flags & RTCF_LOCAL) &&
 		    ip_route_me_harder(skb, RTN_LOCAL) != 0)
 			goto drop;
@@ -975,7 +1038,7 @@ handle_response(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 	IP_VS_DBG_PKT(10, af, pp, skb, 0, "After SNAT");
 
 	ip_vs_out_stats(cp, skb);
-	ip_vs_set_state(cp, IP_VS_DIR_OUTPUT, skb, pp);
+	ip_vs_set_state(cp, IP_VS_DIR_OUTPUT, skb, pd);
 	skb->ipvs_property = 1;
 	if (!(cp->flags & IP_VS_CONN_F_NFCT))
 		ip_vs_notrack(skb);
@@ -999,9 +1062,12 @@ drop:
 static unsigned int
 ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
 {
+	struct net *net = NULL;
 	struct ip_vs_iphdr iph;
 	struct ip_vs_protocol *pp;
+	struct ip_vs_proto_data *pd;
 	struct ip_vs_conn *cp;
+	struct netns_ipvs *ipvs;
 
 	EnterFunction(11);
 
@@ -1022,6 +1088,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
 	if (unlikely(!skb_dst(skb)))
 		return NF_ACCEPT;
 
+	net = skb_net(skb);
 	ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
 #ifdef CONFIG_IP_VS_IPV6
 	if (af == AF_INET6) {
@@ -1045,9 +1112,10 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
 			ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
 		}
 
-	pp = ip_vs_proto_get(iph.protocol);
-	if (unlikely(!pp))
+	pd = ip_vs_proto_data_get(net, iph.protocol);
+	if (unlikely(!pd))
 		return NF_ACCEPT;
+	pp = pd->pp;
 
 	/* reassemble IP fragments */
 #ifdef CONFIG_IP_VS_IPV6
@@ -1073,11 +1141,12 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
 	/*
 	 * Check if the packet belongs to an existing entry
 	 */
-	cp = pp->conn_out_get(af, skb, pp, &iph, iph.len, 0);
+	cp = pp->conn_out_get(af, skb, &iph, iph.len, 0);
+	ipvs = net_ipvs(net);
 
 	if (likely(cp))
-		return handle_response(af, skb, pp, cp, iph.len);
-	if (sysctl_ip_vs_nat_icmp_send &&
+		return handle_response(af, skb, pd, cp, iph.len);
+	if (ipvs->sysctl_nat_icmp_send &&
 	    (pp->protocol == IPPROTO_TCP ||
 	     pp->protocol == IPPROTO_UDP ||
 	     pp->protocol == IPPROTO_SCTP)) {
@@ -1087,7 +1156,7 @@ ip_vs_out(unsigned int hooknum, struct sk_buff *skb, int af)
 					  sizeof(_ports), _ports);
 		if (pptr == NULL)
 			return NF_ACCEPT;	/* Not for me */
-		if (ip_vs_lookup_real_service(af, iph.protocol,
+		if (ip_vs_lookup_real_service(net, af, iph.protocol,
 					      &iph.saddr,
 					      pptr[0])) {
 			/*
@@ -1202,12 +1271,14 @@ ip_vs_local_reply6(unsigned int hooknum, struct sk_buff *skb,
 static int
 ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 {
+	struct net *net = NULL;
 	struct iphdr *iph;
 	struct icmphdr	_icmph, *ic;
 	struct iphdr	_ciph, *cih;	/* The ip header contained within the ICMP */
 	struct ip_vs_iphdr ciph;
 	struct ip_vs_conn *cp;
 	struct ip_vs_protocol *pp;
+	struct ip_vs_proto_data *pd;
 	unsigned int offset, ihl, verdict;
 	union nf_inet_addr snet;
 
@@ -1249,9 +1320,11 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 	if (cih == NULL)
 		return NF_ACCEPT; /* The packet looks wrong, ignore */
 
-	pp = ip_vs_proto_get(cih->protocol);
-	if (!pp)
+	net = skb_net(skb);
+	pd = ip_vs_proto_data_get(net, cih->protocol);
+	if (!pd)
 		return NF_ACCEPT;
+	pp = pd->pp;
 
 	/* Is the embedded protocol header present? */
 	if (unlikely(cih->frag_off & htons(IP_OFFSET) &&
@@ -1265,10 +1338,10 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 
 	ip_vs_fill_iphdr(AF_INET, cih, &ciph);
 	/* The embedded headers contain source and dest in reverse order */
-	cp = pp->conn_in_get(AF_INET, skb, pp, &ciph, offset, 1);
+	cp = pp->conn_in_get(AF_INET, skb, &ciph, offset, 1);
 	if (!cp) {
 		/* The packet could also belong to a local client */
-		cp = pp->conn_out_get(AF_INET, skb, pp, &ciph, offset, 1);
+		cp = pp->conn_out_get(AF_INET, skb, &ciph, offset, 1);
 		if (cp) {
 			snet.ip = iph->saddr;
 			return handle_response_icmp(AF_INET, skb, &snet,
@@ -1312,6 +1385,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 static int
 ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
 {
+	struct net *net = NULL;
 	struct ipv6hdr *iph;
 	struct icmp6hdr	_icmph, *ic;
 	struct ipv6hdr	_ciph, *cih;	/* The ip header contained
@@ -1319,6 +1393,7 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
 	struct ip_vs_iphdr ciph;
 	struct ip_vs_conn *cp;
 	struct ip_vs_protocol *pp;
+	struct ip_vs_proto_data *pd;
 	unsigned int offset, verdict;
 	union nf_inet_addr snet;
 	struct rt6_info *rt;
@@ -1361,9 +1436,11 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
 	if (cih == NULL)
 		return NF_ACCEPT; /* The packet looks wrong, ignore */
 
-	pp = ip_vs_proto_get(cih->nexthdr);
-	if (!pp)
+	net = skb_net(skb);
+	pd = ip_vs_proto_data_get(net, cih->nexthdr);
+	if (!pd)
 		return NF_ACCEPT;
+	pp = pd->pp;
 
 	/* Is the embedded protocol header present? */
 	/* TODO: we don't support fragmentation at the moment anyways */
@@ -1377,10 +1454,10 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
 
 	ip_vs_fill_iphdr(AF_INET6, cih, &ciph);
 	/* The embedded headers contain source and dest in reverse order */
-	cp = pp->conn_in_get(AF_INET6, skb, pp, &ciph, offset, 1);
+	cp = pp->conn_in_get(AF_INET6, skb, &ciph, offset, 1);
 	if (!cp) {
 		/* The packet could also belong to a local client */
-		cp = pp->conn_out_get(AF_INET6, skb, pp, &ciph, offset, 1);
+		cp = pp->conn_out_get(AF_INET6, skb, &ciph, offset, 1);
 		if (cp) {
 			ipv6_addr_copy(&snet.in6, &iph->saddr);
 			return handle_response_icmp(AF_INET6, skb, &snet,
@@ -1423,10 +1500,13 @@ ip_vs_in_icmp_v6(struct sk_buff *skb, int *related, unsigned int hooknum)
 static unsigned int
 ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
 {
+	struct net *net;
 	struct ip_vs_iphdr iph;
 	struct ip_vs_protocol *pp;
+	struct ip_vs_proto_data *pd;
 	struct ip_vs_conn *cp;
 	int ret, restart, pkts;
+	struct netns_ipvs *ipvs;
 
 	/* Already marked as IPVS request or reply? */
 	if (skb->ipvs_property)
@@ -1480,20 +1560,21 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
 			ip_vs_fill_iphdr(af, skb_network_header(skb), &iph);
 		}
 
+	net = skb_net(skb);
 	/* Protocol supported? */
-	pp = ip_vs_proto_get(iph.protocol);
-	if (unlikely(!pp))
+	pd = ip_vs_proto_data_get(net, iph.protocol);
+	if (unlikely(!pd))
 		return NF_ACCEPT;
-
+	pp = pd->pp;
 	/*
 	 * Check if the packet belongs to an existing connection entry
 	 */
-	cp = pp->conn_in_get(af, skb, pp, &iph, iph.len, 0);
+	cp = pp->conn_in_get(af, skb, &iph, iph.len, 0);
 
 	if (unlikely(!cp)) {
 		int v;
 
-		if (!pp->conn_schedule(af, skb, pp, &v, &cp))
+		if (!pp->conn_schedule(af, skb, pd, &v, &cp))
 			return v;
 	}
 
@@ -1505,12 +1586,13 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
 	}
 
 	IP_VS_DBG_PKT(11, af, pp, skb, 0, "Incoming packet");
-
+	net = skb_net(skb);
+	ipvs = net_ipvs(net);
 	/* Check the server status */
 	if (cp->dest && !(cp->dest->flags & IP_VS_DEST_F_AVAILABLE)) {
 		/* the destination server is not available */
 
-		if (sysctl_ip_vs_expire_nodest_conn) {
+		if (ipvs->sysctl_expire_nodest_conn) {
 			/* try to expire the connection immediately */
 			ip_vs_conn_expire_now(cp);
 		}
@@ -1521,7 +1603,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
 	}
 
 	ip_vs_in_stats(cp, skb);
-	restart = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pp);
+	restart = ip_vs_set_state(cp, IP_VS_DIR_INPUT, skb, pd);
 	if (cp->packet_xmit)
 		ret = cp->packet_xmit(skb, cp, pp);
 		/* do not touch skb anymore */
@@ -1535,35 +1617,41 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af)
 	 *
 	 * Sync connection if it is about to close to
 	 * encorage the standby servers to update the connections timeout
+	 *
+	 * For ONE_PKT let ip_vs_sync_conn() do the filter work.
 	 */
-	pkts = atomic_add_return(1, &cp->in_pkts);
-	if (af == AF_INET && (ip_vs_sync_state & IP_VS_STATE_MASTER) &&
+
+	if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
+		pkts = ipvs->sysctl_sync_threshold[0];
+	else
+		pkts = atomic_add_return(1, &cp->in_pkts);
+
+	if ((ipvs->sync_state & IP_VS_STATE_MASTER) &&
 	    cp->protocol == IPPROTO_SCTP) {
 		if ((cp->state == IP_VS_SCTP_S_ESTABLISHED &&
-			(pkts % sysctl_ip_vs_sync_threshold[1]
-			 == sysctl_ip_vs_sync_threshold[0])) ||
+			(pkts % ipvs->sysctl_sync_threshold[1]
+			 == ipvs->sysctl_sync_threshold[0])) ||
 				(cp->old_state != cp->state &&
 				 ((cp->state == IP_VS_SCTP_S_CLOSED) ||
 				  (cp->state == IP_VS_SCTP_S_SHUT_ACK_CLI) ||
 				  (cp->state == IP_VS_SCTP_S_SHUT_ACK_SER)))) {
-			ip_vs_sync_conn(cp);
+			ip_vs_sync_conn(net, cp);
 			goto out;
 		}
 	}
 
 	/* Keep this block last: TCP and others with pp->num_states <= 1 */
-	else if (af == AF_INET &&
-	    (ip_vs_sync_state & IP_VS_STATE_MASTER) &&
+	else if ((ipvs->sync_state & IP_VS_STATE_MASTER) &&
 	    (((cp->protocol != IPPROTO_TCP ||
 	       cp->state == IP_VS_TCP_S_ESTABLISHED) &&
-	      (pkts % sysctl_ip_vs_sync_threshold[1]
-	       == sysctl_ip_vs_sync_threshold[0])) ||
+	      (pkts % ipvs->sysctl_sync_threshold[1]
+	       == ipvs->sysctl_sync_threshold[0])) ||
 	     ((cp->protocol == IPPROTO_TCP) && (cp->old_state != cp->state) &&
 	      ((cp->state == IP_VS_TCP_S_FIN_WAIT) ||
 	       (cp->state == IP_VS_TCP_S_CLOSE) ||
 	       (cp->state == IP_VS_TCP_S_CLOSE_WAIT) ||
 	       (cp->state == IP_VS_TCP_S_TIME_WAIT)))))
-		ip_vs_sync_conn(cp);
+		ip_vs_sync_conn(net, cp);
 out:
 	cp->old_state = cp->state;
 
@@ -1782,7 +1870,41 @@ static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
 	},
 #endif
 };
+/*
+ *	Initialize IP Virtual Server netns mem.
+ */
+static int __net_init __ip_vs_init(struct net *net)
+{
+	struct netns_ipvs *ipvs;
+
+	ipvs = net_generic(net, ip_vs_net_id);
+	if (ipvs == NULL) {
+		pr_err("%s(): no memory.\n", __func__);
+		return -ENOMEM;
+	}
+	ipvs->net = net;
+	/* Counters used for creating unique names */
+	ipvs->gen = atomic_read(&ipvs_netns_cnt);
+	atomic_inc(&ipvs_netns_cnt);
+	net->ipvs = ipvs;
+	printk(KERN_INFO "IPVS: Creating netns size=%lu id=%d\n",
+			 sizeof(struct netns_ipvs), ipvs->gen);
+	return 0;
+}
+
+static void __net_exit __ip_vs_cleanup(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
+	IP_VS_DBG(10, "ipvs netns %d released\n", ipvs->gen);
+}
+
+static struct pernet_operations ipvs_core_ops = {
+	.init = __ip_vs_init,
+	.exit = __ip_vs_cleanup,
+	.id   = &ip_vs_net_id,
+	.size = sizeof(struct netns_ipvs),
+};
 
 /*
  *	Initialize IP Virtual Server
@@ -1791,8 +1913,11 @@ static int __init ip_vs_init(void)
 {
 	int ret;
 
-	ip_vs_estimator_init();
+	ret = register_pernet_subsys(&ipvs_core_ops);	/* Alloc ip_vs struct */
+	if (ret < 0)
+		return ret;
 
+	ip_vs_estimator_init();
 	ret = ip_vs_control_init();
 	if (ret < 0) {
 		pr_err("can't setup control.\n");
@@ -1813,15 +1938,23 @@ static int __init ip_vs_init(void)
 		goto cleanup_app;
 	}
 
+	ret = ip_vs_sync_init();
+	if (ret < 0) {
+		pr_err("can't setup sync data.\n");
+		goto cleanup_conn;
+	}
+
 	ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
 	if (ret < 0) {
 		pr_err("can't register hooks.\n");
-		goto cleanup_conn;
+		goto cleanup_sync;
 	}
 
 	pr_info("ipvs loaded.\n");
 	return ret;
 
+cleanup_sync:
+	ip_vs_sync_cleanup();
   cleanup_conn:
 	ip_vs_conn_cleanup();
   cleanup_app:
@@ -1831,17 +1964,20 @@ static int __init ip_vs_init(void)
 	ip_vs_control_cleanup();
   cleanup_estimator:
 	ip_vs_estimator_cleanup();
+	unregister_pernet_subsys(&ipvs_core_ops);	/* free ip_vs struct */
 	return ret;
 }
 
 static void __exit ip_vs_cleanup(void)
 {
 	nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
+	ip_vs_sync_cleanup();
 	ip_vs_conn_cleanup();
 	ip_vs_app_cleanup();
 	ip_vs_protocol_cleanup();
 	ip_vs_control_cleanup();
 	ip_vs_estimator_cleanup();
+	unregister_pernet_subsys(&ipvs_core_ops);	/* free ip_vs struct */
 	pr_info("ipvs unloaded.\n");
 }
 
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 22f7ad5101ab..09ca2ce2f2b7 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -38,6 +38,7 @@
 #include <linux/mutex.h>
 
 #include <net/net_namespace.h>
+#include <linux/nsproxy.h>
 #include <net/ip.h>
 #ifdef CONFIG_IP_VS_IPV6
 #include <net/ipv6.h>
@@ -57,42 +58,7 @@ static DEFINE_MUTEX(__ip_vs_mutex);
 /* lock for service table */
 static DEFINE_RWLOCK(__ip_vs_svc_lock);
 
-/* lock for table with the real services */
-static DEFINE_RWLOCK(__ip_vs_rs_lock);
-
-/* lock for state and timeout tables */
-static DEFINE_SPINLOCK(ip_vs_securetcp_lock);
-
-/* lock for drop entry handling */
-static DEFINE_SPINLOCK(__ip_vs_dropentry_lock);
-
-/* lock for drop packet handling */
-static DEFINE_SPINLOCK(__ip_vs_droppacket_lock);
-
-/* 1/rate drop and drop-entry variables */
-int ip_vs_drop_rate = 0;
-int ip_vs_drop_counter = 0;
-static atomic_t ip_vs_dropentry = ATOMIC_INIT(0);
-
-/* number of virtual services */
-static int ip_vs_num_services = 0;
-
 /* sysctl variables */
-static int sysctl_ip_vs_drop_entry = 0;
-static int sysctl_ip_vs_drop_packet = 0;
-static int sysctl_ip_vs_secure_tcp = 0;
-static int sysctl_ip_vs_amemthresh = 1024;
-static int sysctl_ip_vs_am_droprate = 10;
-int sysctl_ip_vs_cache_bypass = 0;
-int sysctl_ip_vs_expire_nodest_conn = 0;
-int sysctl_ip_vs_expire_quiescent_template = 0;
-int sysctl_ip_vs_sync_threshold[2] = { 3, 50 };
-int sysctl_ip_vs_nat_icmp_send = 0;
-#ifdef CONFIG_IP_VS_NFCT
-int sysctl_ip_vs_conntrack;
-#endif
-int sysctl_ip_vs_snat_reroute = 1;
-
 
 #ifdef CONFIG_IP_VS_DEBUG
 static int sysctl_ip_vs_debug_level = 0;
@@ -105,7 +71,8 @@ int ip_vs_get_debug_level(void)
 
 #ifdef CONFIG_IP_VS_IPV6
 /* Taken from rt6_fill_node() in net/ipv6/route.c, is there a better way? */
-static int __ip_vs_addr_is_local_v6(const struct in6_addr *addr)
+static int __ip_vs_addr_is_local_v6(struct net *net,
+				    const struct in6_addr *addr)
 {
 	struct rt6_info *rt;
 	struct flowi fl = {
@@ -114,7 +81,7 @@ static int __ip_vs_addr_is_local_v6(const struct in6_addr *addr)
 		.fl6_src = { .s6_addr32 = {0, 0, 0, 0} },
 	};
 
-	rt = (struct rt6_info *)ip6_route_output(&init_net, NULL, &fl);
+	rt = (struct rt6_info *)ip6_route_output(net, NULL, &fl);
 	if (rt && rt->rt6i_dev && (rt->rt6i_dev->flags & IFF_LOOPBACK))
 			return 1;
 
@@ -125,7 +92,7 @@ static int __ip_vs_addr_is_local_v6(const struct in6_addr *addr)
  *	update_defense_level is called from keventd and from sysctl,
  *	so it needs to protect itself from softirqs
  */
-static void update_defense_level(void)
+static void update_defense_level(struct netns_ipvs *ipvs)
 {
 	struct sysinfo i;
 	static int old_secure_tcp = 0;
@@ -141,73 +108,73 @@ static void update_defense_level(void)
 	/* si_swapinfo(&i); */
 	/* availmem = availmem - (i.totalswap - i.freeswap); */
 
-	nomem = (availmem < sysctl_ip_vs_amemthresh);
+	nomem = (availmem < ipvs->sysctl_amemthresh);
 
 	local_bh_disable();
 
 	/* drop_entry */
-	spin_lock(&__ip_vs_dropentry_lock);
-	switch (sysctl_ip_vs_drop_entry) {
+	spin_lock(&ipvs->dropentry_lock);
+	switch (ipvs->sysctl_drop_entry) {
 	case 0:
-		atomic_set(&ip_vs_dropentry, 0);
+		atomic_set(&ipvs->dropentry, 0);
 		break;
 	case 1:
 		if (nomem) {
-			atomic_set(&ip_vs_dropentry, 1);
-			sysctl_ip_vs_drop_entry = 2;
+			atomic_set(&ipvs->dropentry, 1);
+			ipvs->sysctl_drop_entry = 2;
 		} else {
-			atomic_set(&ip_vs_dropentry, 0);
+			atomic_set(&ipvs->dropentry, 0);
 		}
 		break;
 	case 2:
 		if (nomem) {
-			atomic_set(&ip_vs_dropentry, 1);
+			atomic_set(&ipvs->dropentry, 1);
 		} else {
-			atomic_set(&ip_vs_dropentry, 0);
-			sysctl_ip_vs_drop_entry = 1;
+			atomic_set(&ipvs->dropentry, 0);
+			ipvs->sysctl_drop_entry = 1;
 		};
 		break;
 	case 3:
-		atomic_set(&ip_vs_dropentry, 1);
+		atomic_set(&ipvs->dropentry, 1);
 		break;
 	}
-	spin_unlock(&__ip_vs_dropentry_lock);
+	spin_unlock(&ipvs->dropentry_lock);
 
 	/* drop_packet */
-	spin_lock(&__ip_vs_droppacket_lock);
-	switch (sysctl_ip_vs_drop_packet) {
+	spin_lock(&ipvs->droppacket_lock);
+	switch (ipvs->sysctl_drop_packet) {
 	case 0:
-		ip_vs_drop_rate = 0;
+		ipvs->drop_rate = 0;
 		break;
 	case 1:
 		if (nomem) {
-			ip_vs_drop_rate = ip_vs_drop_counter
-				= sysctl_ip_vs_amemthresh /
-				(sysctl_ip_vs_amemthresh-availmem);
-			sysctl_ip_vs_drop_packet = 2;
+			ipvs->drop_rate = ipvs->drop_counter
+				= ipvs->sysctl_amemthresh /
+				(ipvs->sysctl_amemthresh-availmem);
+			ipvs->sysctl_drop_packet = 2;
 		} else {
-			ip_vs_drop_rate = 0;
+			ipvs->drop_rate = 0;
 		}
 		break;
 	case 2:
 		if (nomem) {
-			ip_vs_drop_rate = ip_vs_drop_counter
-				= sysctl_ip_vs_amemthresh /
-				(sysctl_ip_vs_amemthresh-availmem);
+			ipvs->drop_rate = ipvs->drop_counter
+				= ipvs->sysctl_amemthresh /
+				(ipvs->sysctl_amemthresh-availmem);
 		} else {
-			ip_vs_drop_rate = 0;
-			sysctl_ip_vs_drop_packet = 1;
+			ipvs->drop_rate = 0;
+			ipvs->sysctl_drop_packet = 1;
 		}
 		break;
 	case 3:
-		ip_vs_drop_rate = sysctl_ip_vs_am_droprate;
+		ipvs->drop_rate = ipvs->sysctl_am_droprate;
 		break;
 	}
-	spin_unlock(&__ip_vs_droppacket_lock);
+	spin_unlock(&ipvs->droppacket_lock);
 
 	/* secure_tcp */
-	spin_lock(&ip_vs_securetcp_lock);
-	switch (sysctl_ip_vs_secure_tcp) {
+	spin_lock(&ipvs->securetcp_lock);
+	switch (ipvs->sysctl_secure_tcp) {
 	case 0:
 		if (old_secure_tcp >= 2)
 			to_change = 0;
@@ -216,7 +183,7 @@ static void update_defense_level(void)
 		if (nomem) {
 			if (old_secure_tcp < 2)
 				to_change = 1;
-			sysctl_ip_vs_secure_tcp = 2;
+			ipvs->sysctl_secure_tcp = 2;
 		} else {
 			if (old_secure_tcp >= 2)
 				to_change = 0;
@@ -229,7 +196,7 @@ static void update_defense_level(void)
 		} else {
 			if (old_secure_tcp >= 2)
 				to_change = 0;
-			sysctl_ip_vs_secure_tcp = 1;
+			ipvs->sysctl_secure_tcp = 1;
 		}
 		break;
 	case 3:
@@ -237,10 +204,11 @@ static void update_defense_level(void)
 			to_change = 1;
 		break;
 	}
-	old_secure_tcp = sysctl_ip_vs_secure_tcp;
+	old_secure_tcp = ipvs->sysctl_secure_tcp;
 	if (to_change >= 0)
-		ip_vs_protocol_timeout_change(sysctl_ip_vs_secure_tcp>1);
-	spin_unlock(&ip_vs_securetcp_lock);
+		ip_vs_protocol_timeout_change(ipvs,
+					      ipvs->sysctl_secure_tcp > 1);
+	spin_unlock(&ipvs->securetcp_lock);
 
 	local_bh_enable();
 }
@@ -250,16 +218,16 @@ static void update_defense_level(void)
  *	Timer for checking the defense
  */
 #define DEFENSE_TIMER_PERIOD	1*HZ
-static void defense_work_handler(struct work_struct *work);
-static DECLARE_DELAYED_WORK(defense_work, defense_work_handler);
 
 static void defense_work_handler(struct work_struct *work)
 {
-	update_defense_level();
-	if (atomic_read(&ip_vs_dropentry))
-		ip_vs_random_dropentry();
+	struct netns_ipvs *ipvs =
+		container_of(work, struct netns_ipvs, defense_work.work);
 
-	schedule_delayed_work(&defense_work, DEFENSE_TIMER_PERIOD);
+	update_defense_level(ipvs);
+	if (atomic_read(&ipvs->dropentry))
+		ip_vs_random_dropentry(ipvs->net);
+	schedule_delayed_work(&ipvs->defense_work, DEFENSE_TIMER_PERIOD);
 }
 
 int
@@ -287,33 +255,13 @@ static struct list_head ip_vs_svc_table[IP_VS_SVC_TAB_SIZE];
 /* the service table hashed by fwmark */
 static struct list_head ip_vs_svc_fwm_table[IP_VS_SVC_TAB_SIZE];
 
-/*
- *	Hash table: for real service lookups
- */
-#define IP_VS_RTAB_BITS 4
-#define IP_VS_RTAB_SIZE (1 << IP_VS_RTAB_BITS)
-#define IP_VS_RTAB_MASK (IP_VS_RTAB_SIZE - 1)
-
-static struct list_head ip_vs_rtable[IP_VS_RTAB_SIZE];
-
-/*
- *	Trash for destinations
- */
-static LIST_HEAD(ip_vs_dest_trash);
-
-/*
- *	FTP & NULL virtual service counters
- */
-static atomic_t ip_vs_ftpsvc_counter = ATOMIC_INIT(0);
-static atomic_t ip_vs_nullsvc_counter = ATOMIC_INIT(0);
-
 
 /*
  *	Returns hash value for virtual service
  */
-static __inline__ unsigned
-ip_vs_svc_hashkey(int af, unsigned proto, const union nf_inet_addr *addr,
-		  __be16 port)
+static inline unsigned
+ip_vs_svc_hashkey(struct net *net, int af, unsigned proto,
+		  const union nf_inet_addr *addr, __be16 port)
 {
 	register unsigned porth = ntohs(port);
 	__be32 addr_fold = addr->ip;
@@ -323,6 +271,7 @@ ip_vs_svc_hashkey(int af, unsigned proto, const union nf_inet_addr *addr,
 		addr_fold = addr->ip6[0]^addr->ip6[1]^
 			    addr->ip6[2]^addr->ip6[3];
 #endif
+	addr_fold ^= ((size_t)net>>8);
 
 	return (proto^ntohl(addr_fold)^(porth>>IP_VS_SVC_TAB_BITS)^porth)
 		& IP_VS_SVC_TAB_MASK;
@@ -331,13 +280,13 @@ ip_vs_svc_hashkey(int af, unsigned proto, const union nf_inet_addr *addr,
 /*
  *	Returns hash value of fwmark for virtual service lookup
  */
-static __inline__ unsigned ip_vs_svc_fwm_hashkey(__u32 fwmark)
+static inline unsigned ip_vs_svc_fwm_hashkey(struct net *net, __u32 fwmark)
 {
-	return fwmark & IP_VS_SVC_TAB_MASK;
+	return (((size_t)net>>8) ^ fwmark) & IP_VS_SVC_TAB_MASK;
 }
 
 /*
- *	Hashes a service in the ip_vs_svc_table by <proto,addr,port>
+ *	Hashes a service in the ip_vs_svc_table by <netns,proto,addr,port>
  *	or in the ip_vs_svc_fwm_table by fwmark.
  *	Should be called with locked tables.
  */
@@ -353,16 +302,16 @@ static int ip_vs_svc_hash(struct ip_vs_service *svc)
 
 	if (svc->fwmark == 0) {
 		/*
-		 *  Hash it by <protocol,addr,port> in ip_vs_svc_table
+		 *  Hash it by <netns,protocol,addr,port> in ip_vs_svc_table
 		 */
-		hash = ip_vs_svc_hashkey(svc->af, svc->protocol, &svc->addr,
-					 svc->port);
+		hash = ip_vs_svc_hashkey(svc->net, svc->af, svc->protocol,
+					 &svc->addr, svc->port);
 		list_add(&svc->s_list, &ip_vs_svc_table[hash]);
 	} else {
 		/*
-		 *  Hash it by fwmark in ip_vs_svc_fwm_table
+		 *  Hash it by fwmark in svc_fwm_table
 		 */
-		hash = ip_vs_svc_fwm_hashkey(svc->fwmark);
+		hash = ip_vs_svc_fwm_hashkey(svc->net, svc->fwmark);
 		list_add(&svc->f_list, &ip_vs_svc_fwm_table[hash]);
 	}
 
@@ -374,7 +323,7 @@ static int ip_vs_svc_hash(struct ip_vs_service *svc)
 
 
 /*
- *	Unhashes a service from ip_vs_svc_table/ip_vs_svc_fwm_table.
+ *	Unhashes a service from svc_table / svc_fwm_table.
  *	Should be called with locked tables.
  */
 static int ip_vs_svc_unhash(struct ip_vs_service *svc)
@@ -386,10 +335,10 @@ static int ip_vs_svc_unhash(struct ip_vs_service *svc)
 	}
 
 	if (svc->fwmark == 0) {
-		/* Remove it from the ip_vs_svc_table table */
+		/* Remove it from the svc_table table */
 		list_del(&svc->s_list);
 	} else {
-		/* Remove it from the ip_vs_svc_fwm_table table */
+		/* Remove it from the svc_fwm_table table */
 		list_del(&svc->f_list);
 	}
 
@@ -400,23 +349,24 @@ static int ip_vs_svc_unhash(struct ip_vs_service *svc)
 
 
 /*
- *	Get service by {proto,addr,port} in the service table.
+ *	Get service by {netns, proto,addr,port} in the service table.
  */
 static inline struct ip_vs_service *
-__ip_vs_service_find(int af, __u16 protocol, const union nf_inet_addr *vaddr,
-		    __be16 vport)
+__ip_vs_service_find(struct net *net, int af, __u16 protocol,
+		     const union nf_inet_addr *vaddr, __be16 vport)
 {
 	unsigned hash;
 	struct ip_vs_service *svc;
 
 	/* Check for "full" addressed entries */
-	hash = ip_vs_svc_hashkey(af, protocol, vaddr, vport);
+	hash = ip_vs_svc_hashkey(net, af, protocol, vaddr, vport);
 
 	list_for_each_entry(svc, &ip_vs_svc_table[hash], s_list){
 		if ((svc->af == af)
 		    && ip_vs_addr_equal(af, &svc->addr, vaddr)
 		    && (svc->port == vport)
-		    && (svc->protocol == protocol)) {
+		    && (svc->protocol == protocol)
+		    && net_eq(svc->net, net)) {
 			/* HIT */
 			return svc;
 		}
@@ -430,16 +380,17 @@ __ip_vs_service_find(int af, __u16 protocol, const union nf_inet_addr *vaddr,
  *	Get service by {fwmark} in the service table.
  */
 static inline struct ip_vs_service *
-__ip_vs_svc_fwm_find(int af, __u32 fwmark)
+__ip_vs_svc_fwm_find(struct net *net, int af, __u32 fwmark)
 {
 	unsigned hash;
 	struct ip_vs_service *svc;
 
 	/* Check for fwmark addressed entries */
-	hash = ip_vs_svc_fwm_hashkey(fwmark);
+	hash = ip_vs_svc_fwm_hashkey(net, fwmark);
 
 	list_for_each_entry(svc, &ip_vs_svc_fwm_table[hash], f_list) {
-		if (svc->fwmark == fwmark && svc->af == af) {
+		if (svc->fwmark == fwmark && svc->af == af
+		    && net_eq(svc->net, net)) {
 			/* HIT */
 			return svc;
 		}
@@ -449,42 +400,44 @@ __ip_vs_svc_fwm_find(int af, __u32 fwmark)
 }
 
 struct ip_vs_service *
-ip_vs_service_get(int af, __u32 fwmark, __u16 protocol,
+ip_vs_service_get(struct net *net, int af, __u32 fwmark, __u16 protocol,
 		  const union nf_inet_addr *vaddr, __be16 vport)
 {
 	struct ip_vs_service *svc;
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	read_lock(&__ip_vs_svc_lock);
 
 	/*
 	 *	Check the table hashed by fwmark first
 	 */
-	if (fwmark && (svc = __ip_vs_svc_fwm_find(af, fwmark)))
+	svc = __ip_vs_svc_fwm_find(net, af, fwmark);
+	if (fwmark && svc)
 		goto out;
 
 	/*
 	 *	Check the table hashed by <protocol,addr,port>
 	 *	for "full" addressed entries
 	 */
-	svc = __ip_vs_service_find(af, protocol, vaddr, vport);
+	svc = __ip_vs_service_find(net, af, protocol, vaddr, vport);
 
 	if (svc == NULL
 	    && protocol == IPPROTO_TCP
-	    && atomic_read(&ip_vs_ftpsvc_counter)
+	    && atomic_read(&ipvs->ftpsvc_counter)
 	    && (vport == FTPDATA || ntohs(vport) >= PROT_SOCK)) {
 		/*
 		 * Check if ftp service entry exists, the packet
 		 * might belong to FTP data connections.
 		 */
-		svc = __ip_vs_service_find(af, protocol, vaddr, FTPPORT);
+		svc = __ip_vs_service_find(net, af, protocol, vaddr, FTPPORT);
 	}
 
 	if (svc == NULL
-	    && atomic_read(&ip_vs_nullsvc_counter)) {
+	    && atomic_read(&ipvs->nullsvc_counter)) {
 		/*
 		 * Check if the catch-all port (port zero) exists
 		 */
-		svc = __ip_vs_service_find(af, protocol, vaddr, 0);
+		svc = __ip_vs_service_find(net, af, protocol, vaddr, 0);
 	}
 
   out:
@@ -519,6 +472,7 @@ __ip_vs_unbind_svc(struct ip_vs_dest *dest)
 			      svc->fwmark,
 			      IP_VS_DBG_ADDR(svc->af, &svc->addr),
 			      ntohs(svc->port), atomic_read(&svc->usecnt));
+		free_percpu(svc->stats.cpustats);
 		kfree(svc);
 	}
 }
@@ -545,10 +499,10 @@ static inline unsigned ip_vs_rs_hashkey(int af,
 }
 
 /*
- *	Hashes ip_vs_dest in ip_vs_rtable by <proto,addr,port>.
+ *	Hashes ip_vs_dest in rs_table by <proto,addr,port>.
  *	should be called with locked tables.
  */
-static int ip_vs_rs_hash(struct ip_vs_dest *dest)
+static int ip_vs_rs_hash(struct netns_ipvs *ipvs, struct ip_vs_dest *dest)
 {
 	unsigned hash;
 
@@ -562,19 +516,19 @@ static int ip_vs_rs_hash(struct ip_vs_dest *dest)
 	 */
 	hash = ip_vs_rs_hashkey(dest->af, &dest->addr, dest->port);
 
-	list_add(&dest->d_list, &ip_vs_rtable[hash]);
+	list_add(&dest->d_list, &ipvs->rs_table[hash]);
 
 	return 1;
 }
 
 /*
- *	UNhashes ip_vs_dest from ip_vs_rtable.
+ *	UNhashes ip_vs_dest from rs_table.
  *	should be called with locked tables.
  */
 static int ip_vs_rs_unhash(struct ip_vs_dest *dest)
 {
 	/*
-	 * Remove it from the ip_vs_rtable table.
+	 * Remove it from the rs_table table.
 	 */
 	if (!list_empty(&dest->d_list)) {
 		list_del(&dest->d_list);
@@ -588,10 +542,11 @@ static int ip_vs_rs_unhash(struct ip_vs_dest *dest)
  *	Lookup real service by <proto,addr,port> in the real service table.
  */
 struct ip_vs_dest *
-ip_vs_lookup_real_service(int af, __u16 protocol,
+ip_vs_lookup_real_service(struct net *net, int af, __u16 protocol,
 			  const union nf_inet_addr *daddr,
 			  __be16 dport)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	unsigned hash;
 	struct ip_vs_dest *dest;
 
@@ -601,19 +556,19 @@ ip_vs_lookup_real_service(int af, __u16 protocol,
 	 */
 	hash = ip_vs_rs_hashkey(af, daddr, dport);
 
-	read_lock(&__ip_vs_rs_lock);
-	list_for_each_entry(dest, &ip_vs_rtable[hash], d_list) {
+	read_lock(&ipvs->rs_lock);
+	list_for_each_entry(dest, &ipvs->rs_table[hash], d_list) {
 		if ((dest->af == af)
 		    && ip_vs_addr_equal(af, &dest->addr, daddr)
 		    && (dest->port == dport)
 		    && ((dest->protocol == protocol) ||
 			dest->vfwmark)) {
 			/* HIT */
-			read_unlock(&__ip_vs_rs_lock);
+			read_unlock(&ipvs->rs_lock);
 			return dest;
 		}
 	}
-	read_unlock(&__ip_vs_rs_lock);
+	read_unlock(&ipvs->rs_lock);
 
 	return NULL;
 }
@@ -652,15 +607,16 @@ ip_vs_lookup_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr,
  * ip_vs_lookup_real_service() looked promissing, but
  * seems not working as expected.
  */
-struct ip_vs_dest *ip_vs_find_dest(int af, const union nf_inet_addr *daddr,
+struct ip_vs_dest *ip_vs_find_dest(struct net  *net, int af,
+				   const union nf_inet_addr *daddr,
 				   __be16 dport,
 				   const union nf_inet_addr *vaddr,
-				   __be16 vport, __u16 protocol)
+				   __be16 vport, __u16 protocol, __u32 fwmark)
 {
 	struct ip_vs_dest *dest;
 	struct ip_vs_service *svc;
 
-	svc = ip_vs_service_get(af, 0, protocol, vaddr, vport);
+	svc = ip_vs_service_get(net, af, fwmark, protocol, vaddr, vport);
 	if (!svc)
 		return NULL;
 	dest = ip_vs_lookup_dest(svc, daddr, dport);
@@ -685,11 +641,12 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr,
 		     __be16 dport)
 {
 	struct ip_vs_dest *dest, *nxt;
+	struct netns_ipvs *ipvs = net_ipvs(svc->net);
 
 	/*
 	 * Find the destination in trash
 	 */
-	list_for_each_entry_safe(dest, nxt, &ip_vs_dest_trash, n_list) {
+	list_for_each_entry_safe(dest, nxt, &ipvs->dest_trash, n_list) {
 		IP_VS_DBG_BUF(3, "Destination %u/%s:%u still in trash, "
 			      "dest->refcnt=%d\n",
 			      dest->vfwmark,
@@ -720,6 +677,7 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr,
 			list_del(&dest->n_list);
 			ip_vs_dst_reset(dest);
 			__ip_vs_unbind_svc(dest);
+			free_percpu(dest->stats.cpustats);
 			kfree(dest);
 		}
 	}
@@ -737,14 +695,16 @@ ip_vs_trash_get_dest(struct ip_vs_service *svc, const union nf_inet_addr *daddr,
  *  are expired, and the refcnt of each destination in the trash must
  *  be 1, so we simply release them here.
  */
-static void ip_vs_trash_cleanup(void)
+static void ip_vs_trash_cleanup(struct net *net)
 {
 	struct ip_vs_dest *dest, *nxt;
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
-	list_for_each_entry_safe(dest, nxt, &ip_vs_dest_trash, n_list) {
+	list_for_each_entry_safe(dest, nxt, &ipvs->dest_trash, n_list) {
 		list_del(&dest->n_list);
 		ip_vs_dst_reset(dest);
 		__ip_vs_unbind_svc(dest);
+		free_percpu(dest->stats.cpustats);
 		kfree(dest);
 	}
 }
@@ -768,6 +728,7 @@ static void
 __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
 		    struct ip_vs_dest_user_kern *udest, int add)
 {
+	struct netns_ipvs *ipvs = net_ipvs(svc->net);
 	int conn_flags;
 
 	/* set the weight and the flags */
@@ -780,12 +741,12 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
 		conn_flags |= IP_VS_CONN_F_NOOUTPUT;
 	} else {
 		/*
-		 *    Put the real service in ip_vs_rtable if not present.
+		 *    Put the real service in rs_table if not present.
 		 *    For now only for NAT!
 		 */
-		write_lock_bh(&__ip_vs_rs_lock);
-		ip_vs_rs_hash(dest);
-		write_unlock_bh(&__ip_vs_rs_lock);
+		write_lock_bh(&ipvs->rs_lock);
+		ip_vs_rs_hash(ipvs, dest);
+		write_unlock_bh(&ipvs->rs_lock);
 	}
 	atomic_set(&dest->conn_flags, conn_flags);
 
@@ -813,7 +774,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest,
 	spin_unlock(&dest->dst_lock);
 
 	if (add)
-		ip_vs_new_estimator(&dest->stats);
+		ip_vs_new_estimator(svc->net, &dest->stats);
 
 	write_lock_bh(&__ip_vs_svc_lock);
 
@@ -850,12 +811,12 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
 		atype = ipv6_addr_type(&udest->addr.in6);
 		if ((!(atype & IPV6_ADDR_UNICAST) ||
 			atype & IPV6_ADDR_LINKLOCAL) &&
-			!__ip_vs_addr_is_local_v6(&udest->addr.in6))
+			!__ip_vs_addr_is_local_v6(svc->net, &udest->addr.in6))
 			return -EINVAL;
 	} else
 #endif
 	{
-		atype = inet_addr_type(&init_net, udest->addr.ip);
+		atype = inet_addr_type(svc->net, udest->addr.ip);
 		if (atype != RTN_LOCAL && atype != RTN_UNICAST)
 			return -EINVAL;
 	}
@@ -865,6 +826,11 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
 		pr_err("%s(): no memory.\n", __func__);
 		return -ENOMEM;
 	}
+	dest->stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats);
+	if (!dest->stats.cpustats) {
+		pr_err("%s() alloc_percpu failed\n", __func__);
+		goto err_alloc;
+	}
 
 	dest->af = svc->af;
 	dest->protocol = svc->protocol;
@@ -888,6 +854,10 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest,
 
 	LeaveFunction(2);
 	return 0;
+
+err_alloc:
+	kfree(dest);
+	return -ENOMEM;
 }
 
 
@@ -1006,16 +976,18 @@ ip_vs_edit_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
 /*
  *	Delete a destination (must be already unlinked from the service)
  */
-static void __ip_vs_del_dest(struct ip_vs_dest *dest)
+static void __ip_vs_del_dest(struct net *net, struct ip_vs_dest *dest)
 {
-	ip_vs_kill_estimator(&dest->stats);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	ip_vs_kill_estimator(net, &dest->stats);
 
 	/*
 	 *  Remove it from the d-linked list with the real services.
 	 */
-	write_lock_bh(&__ip_vs_rs_lock);
+	write_lock_bh(&ipvs->rs_lock);
 	ip_vs_rs_unhash(dest);
-	write_unlock_bh(&__ip_vs_rs_lock);
+	write_unlock_bh(&ipvs->rs_lock);
 
 	/*
 	 *  Decrease the refcnt of the dest, and free the dest
@@ -1034,6 +1006,7 @@ static void __ip_vs_del_dest(struct ip_vs_dest *dest)
 		   and only one user context can update virtual service at a
 		   time, so the operation here is OK */
 		atomic_dec(&dest->svc->refcnt);
+		free_percpu(dest->stats.cpustats);
 		kfree(dest);
 	} else {
 		IP_VS_DBG_BUF(3, "Moving dest %s:%u into trash, "
@@ -1041,7 +1014,7 @@ static void __ip_vs_del_dest(struct ip_vs_dest *dest)
 			      IP_VS_DBG_ADDR(dest->af, &dest->addr),
 			      ntohs(dest->port),
 			      atomic_read(&dest->refcnt));
-		list_add(&dest->n_list, &ip_vs_dest_trash);
+		list_add(&dest->n_list, &ipvs->dest_trash);
 		atomic_inc(&dest->refcnt);
 	}
 }
@@ -1105,7 +1078,7 @@ ip_vs_del_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
 	/*
 	 *	Delete the destination
 	 */
-	__ip_vs_del_dest(dest);
+	__ip_vs_del_dest(svc->net, dest);
 
 	LeaveFunction(2);
 
@@ -1117,13 +1090,14 @@ ip_vs_del_dest(struct ip_vs_service *svc, struct ip_vs_dest_user_kern *udest)
  *	Add a service into the service hash table
  */
 static int
-ip_vs_add_service(struct ip_vs_service_user_kern *u,
+ip_vs_add_service(struct net *net, struct ip_vs_service_user_kern *u,
 		  struct ip_vs_service **svc_p)
 {
 	int ret = 0;
 	struct ip_vs_scheduler *sched = NULL;
 	struct ip_vs_pe *pe = NULL;
 	struct ip_vs_service *svc = NULL;
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
 	/* increase the module use count */
 	ip_vs_use_count_inc();
@@ -1137,7 +1111,7 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
 	}
 
 	if (u->pe_name && *u->pe_name) {
-		pe = ip_vs_pe_get(u->pe_name);
+		pe = ip_vs_pe_getbyname(u->pe_name);
 		if (pe == NULL) {
 			pr_info("persistence engine module ip_vs_pe_%s "
 				"not found\n", u->pe_name);
@@ -1159,6 +1133,11 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
 		ret = -ENOMEM;
 		goto out_err;
 	}
+	svc->stats.cpustats = alloc_percpu(struct ip_vs_cpu_stats);
+	if (!svc->stats.cpustats) {
+		pr_err("%s() alloc_percpu failed\n", __func__);
+		goto out_err;
+	}
 
 	/* I'm the first user of the service */
 	atomic_set(&svc->usecnt, 0);
@@ -1172,6 +1151,7 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
 	svc->flags = u->flags;
 	svc->timeout = u->timeout * HZ;
 	svc->netmask = u->netmask;
+	svc->net = net;
 
 	INIT_LIST_HEAD(&svc->destinations);
 	rwlock_init(&svc->sched_lock);
@@ -1189,15 +1169,15 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
 
 	/* Update the virtual service counters */
 	if (svc->port == FTPPORT)
-		atomic_inc(&ip_vs_ftpsvc_counter);
+		atomic_inc(&ipvs->ftpsvc_counter);
 	else if (svc->port == 0)
-		atomic_inc(&ip_vs_nullsvc_counter);
+		atomic_inc(&ipvs->nullsvc_counter);
 
-	ip_vs_new_estimator(&svc->stats);
+	ip_vs_new_estimator(net, &svc->stats);
 
 	/* Count only IPv4 services for old get/setsockopt interface */
 	if (svc->af == AF_INET)
-		ip_vs_num_services++;
+		ipvs->num_services++;
 
 	/* Hash the service into the service table */
 	write_lock_bh(&__ip_vs_svc_lock);
@@ -1207,6 +1187,7 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
 	*svc_p = svc;
 	return 0;
 
+
  out_err:
 	if (svc != NULL) {
 		ip_vs_unbind_scheduler(svc);
@@ -1215,6 +1196,8 @@ ip_vs_add_service(struct ip_vs_service_user_kern *u,
 			ip_vs_app_inc_put(svc->inc);
 			local_bh_enable();
 		}
+		if (svc->stats.cpustats)
+			free_percpu(svc->stats.cpustats);
 		kfree(svc);
 	}
 	ip_vs_scheduler_put(sched);
@@ -1248,7 +1231,7 @@ ip_vs_edit_service(struct ip_vs_service *svc, struct ip_vs_service_user_kern *u)
 	old_sched = sched;
 
 	if (u->pe_name && *u->pe_name) {
-		pe = ip_vs_pe_get(u->pe_name);
+		pe = ip_vs_pe_getbyname(u->pe_name);
 		if (pe == NULL) {
 			pr_info("persistence engine module ip_vs_pe_%s "
 				"not found\n", u->pe_name);
@@ -1334,14 +1317,15 @@ static void __ip_vs_del_service(struct ip_vs_service *svc)
 	struct ip_vs_dest *dest, *nxt;
 	struct ip_vs_scheduler *old_sched;
 	struct ip_vs_pe *old_pe;
+	struct netns_ipvs *ipvs = net_ipvs(svc->net);
 
 	pr_info("%s: enter\n", __func__);
 
 	/* Count only IPv4 services for old get/setsockopt interface */
 	if (svc->af == AF_INET)
-		ip_vs_num_services--;
+		ipvs->num_services--;
 
-	ip_vs_kill_estimator(&svc->stats);
+	ip_vs_kill_estimator(svc->net, &svc->stats);
 
 	/* Unbind scheduler */
 	old_sched = svc->scheduler;
@@ -1364,16 +1348,16 @@ static void __ip_vs_del_service(struct ip_vs_service *svc)
 	 */
 	list_for_each_entry_safe(dest, nxt, &svc->destinations, n_list) {
 		__ip_vs_unlink_dest(svc, dest, 0);
-		__ip_vs_del_dest(dest);
+		__ip_vs_del_dest(svc->net, dest);
 	}
 
 	/*
 	 *    Update the virtual service counters
 	 */
 	if (svc->port == FTPPORT)
-		atomic_dec(&ip_vs_ftpsvc_counter);
+		atomic_dec(&ipvs->ftpsvc_counter);
 	else if (svc->port == 0)
-		atomic_dec(&ip_vs_nullsvc_counter);
+		atomic_dec(&ipvs->nullsvc_counter);
 
 	/*
 	 *    Free the service if nobody refers to it
@@ -1383,6 +1367,7 @@ static void __ip_vs_del_service(struct ip_vs_service *svc)
 			      svc->fwmark,
 			      IP_VS_DBG_ADDR(svc->af, &svc->addr),
 			      ntohs(svc->port), atomic_read(&svc->usecnt));
+		free_percpu(svc->stats.cpustats);
 		kfree(svc);
 	}
 
@@ -1428,17 +1413,19 @@ static int ip_vs_del_service(struct ip_vs_service *svc)
 /*
  *	Flush all the virtual services
  */
-static int ip_vs_flush(void)
+static int ip_vs_flush(struct net *net)
 {
 	int idx;
 	struct ip_vs_service *svc, *nxt;
 
 	/*
-	 * Flush the service table hashed by <protocol,addr,port>
+	 * Flush the service table hashed by <netns,protocol,addr,port>
 	 */
 	for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
-		list_for_each_entry_safe(svc, nxt, &ip_vs_svc_table[idx], s_list) {
-			ip_vs_unlink_service(svc);
+		list_for_each_entry_safe(svc, nxt, &ip_vs_svc_table[idx],
+					 s_list) {
+			if (net_eq(svc->net, net))
+				ip_vs_unlink_service(svc);
 		}
 	}
 
@@ -1448,7 +1435,8 @@ static int ip_vs_flush(void)
 	for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
 		list_for_each_entry_safe(svc, nxt,
 					 &ip_vs_svc_fwm_table[idx], f_list) {
-			ip_vs_unlink_service(svc);
+			if (net_eq(svc->net, net))
+				ip_vs_unlink_service(svc);
 		}
 	}
 
@@ -1472,24 +1460,26 @@ static int ip_vs_zero_service(struct ip_vs_service *svc)
 	return 0;
 }
 
-static int ip_vs_zero_all(void)
+static int ip_vs_zero_all(struct net *net)
 {
 	int idx;
 	struct ip_vs_service *svc;
 
 	for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
 		list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
-			ip_vs_zero_service(svc);
+			if (net_eq(svc->net, net))
+				ip_vs_zero_service(svc);
 		}
 	}
 
 	for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
 		list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
-			ip_vs_zero_service(svc);
+			if (net_eq(svc->net, net))
+				ip_vs_zero_service(svc);
 		}
 	}
 
-	ip_vs_zero_stats(&ip_vs_stats);
+	ip_vs_zero_stats(net_ipvs(net)->tot_stats);
 	return 0;
 }
 
@@ -1498,6 +1488,7 @@ static int
 proc_do_defense_mode(ctl_table *table, int write,
 		     void __user *buffer, size_t *lenp, loff_t *ppos)
 {
+	struct net *net = current->nsproxy->net_ns;
 	int *valp = table->data;
 	int val = *valp;
 	int rc;
@@ -1508,7 +1499,7 @@ proc_do_defense_mode(ctl_table *table, int write,
 			/* Restore the correct value */
 			*valp = val;
 		} else {
-			update_defense_level();
+			update_defense_level(net_ipvs(net));
 		}
 	}
 	return rc;
@@ -1534,45 +1525,54 @@ proc_do_sync_threshold(ctl_table *table, int write,
 	return rc;
 }
 
+static int
+proc_do_sync_mode(ctl_table *table, int write,
+		     void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+	int *valp = table->data;
+	int val = *valp;
+	int rc;
+
+	rc = proc_dointvec(table, write, buffer, lenp, ppos);
+	if (write && (*valp != val)) {
+		if ((*valp < 0) || (*valp > 1)) {
+			/* Restore the correct value */
+			*valp = val;
+		} else {
+			struct net *net = current->nsproxy->net_ns;
+			ip_vs_sync_switch_mode(net, val);
+		}
+	}
+	return rc;
+}
 
 /*
  *	IPVS sysctl table (under the /proc/sys/net/ipv4/vs/)
+ *	Do not change order or insert new entries without
+ *	align with netns init in __ip_vs_control_init()
  */
 
 static struct ctl_table vs_vars[] = {
 	{
 		.procname	= "amemthresh",
-		.data		= &sysctl_ip_vs_amemthresh,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
-#ifdef CONFIG_IP_VS_DEBUG
-	{
-		.procname	= "debug_level",
-		.data		= &sysctl_ip_vs_debug_level,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-#endif
 	{
 		.procname	= "am_droprate",
-		.data		= &sysctl_ip_vs_am_droprate,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
 	{
 		.procname	= "drop_entry",
-		.data		= &sysctl_ip_vs_drop_entry,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_do_defense_mode,
 	},
 	{
 		.procname	= "drop_packet",
-		.data		= &sysctl_ip_vs_drop_packet,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_do_defense_mode,
@@ -1580,7 +1580,6 @@ static struct ctl_table vs_vars[] = {
 #ifdef CONFIG_IP_VS_NFCT
 	{
 		.procname	= "conntrack",
-		.data		= &sysctl_ip_vs_conntrack,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
@@ -1588,18 +1587,62 @@ static struct ctl_table vs_vars[] = {
 #endif
 	{
 		.procname	= "secure_tcp",
-		.data		= &sysctl_ip_vs_secure_tcp,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_do_defense_mode,
 	},
 	{
 		.procname	= "snat_reroute",
-		.data		= &sysctl_ip_vs_snat_reroute,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= &proc_dointvec,
 	},
+	{
+		.procname	= "sync_version",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= &proc_do_sync_mode,
+	},
+	{
+		.procname	= "cache_bypass",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{
+		.procname	= "expire_nodest_conn",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{
+		.procname	= "expire_quiescent_template",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{
+		.procname	= "sync_threshold",
+		.maxlen		=
+			sizeof(((struct netns_ipvs *)0)->sysctl_sync_threshold),
+		.mode		= 0644,
+		.proc_handler	= proc_do_sync_threshold,
+	},
+	{
+		.procname	= "nat_icmp_send",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+#ifdef CONFIG_IP_VS_DEBUG
+	{
+		.procname	= "debug_level",
+		.data		= &sysctl_ip_vs_debug_level,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+#endif
 #if 0
 	{
 		.procname	= "timeout_established",
@@ -1686,41 +1729,6 @@ static struct ctl_table vs_vars[] = {
 		.proc_handler	= proc_dointvec_jiffies,
 	},
 #endif
-	{
-		.procname	= "cache_bypass",
-		.data		= &sysctl_ip_vs_cache_bypass,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-	{
-		.procname	= "expire_nodest_conn",
-		.data		= &sysctl_ip_vs_expire_nodest_conn,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-	{
-		.procname	= "expire_quiescent_template",
-		.data		= &sysctl_ip_vs_expire_quiescent_template,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
-	{
-		.procname	= "sync_threshold",
-		.data		= &sysctl_ip_vs_sync_threshold,
-		.maxlen		= sizeof(sysctl_ip_vs_sync_threshold),
-		.mode		= 0644,
-		.proc_handler	= proc_do_sync_threshold,
-	},
-	{
-		.procname	= "nat_icmp_send",
-		.data		= &sysctl_ip_vs_nat_icmp_send,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
-	},
 	{ }
 };
 
@@ -1732,11 +1740,10 @@ const struct ctl_path net_vs_ctl_path[] = {
 };
 EXPORT_SYMBOL_GPL(net_vs_ctl_path);
 
-static struct ctl_table_header * sysctl_header;
-
 #ifdef CONFIG_PROC_FS
 
 struct ip_vs_iter {
+	struct seq_net_private p;  /* Do not move this, netns depends upon it*/
 	struct list_head *table;
 	int bucket;
 };
@@ -1763,6 +1770,7 @@ static inline const char *ip_vs_fwd_name(unsigned flags)
 /* Get the Nth entry in the two lists */
 static struct ip_vs_service *ip_vs_info_array(struct seq_file *seq, loff_t pos)
 {
+	struct net *net = seq_file_net(seq);
 	struct ip_vs_iter *iter = seq->private;
 	int idx;
 	struct ip_vs_service *svc;
@@ -1770,7 +1778,7 @@ static struct ip_vs_service *ip_vs_info_array(struct seq_file *seq, loff_t pos)
 	/* look in hash by protocol */
 	for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
 		list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
-			if (pos-- == 0){
+			if (net_eq(svc->net, net) && pos-- == 0) {
 				iter->table = ip_vs_svc_table;
 				iter->bucket = idx;
 				return svc;
@@ -1781,7 +1789,7 @@ static struct ip_vs_service *ip_vs_info_array(struct seq_file *seq, loff_t pos)
 	/* keep looking in fwmark */
 	for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
 		list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
-			if (pos-- == 0) {
+			if (net_eq(svc->net, net) && pos-- == 0) {
 				iter->table = ip_vs_svc_fwm_table;
 				iter->bucket = idx;
 				return svc;
@@ -1935,7 +1943,7 @@ static const struct seq_operations ip_vs_info_seq_ops = {
 
 static int ip_vs_info_open(struct inode *inode, struct file *file)
 {
-	return seq_open_private(file, &ip_vs_info_seq_ops,
+	return seq_open_net(inode, file, &ip_vs_info_seq_ops,
 			sizeof(struct ip_vs_iter));
 }
 
@@ -1949,13 +1957,11 @@ static const struct file_operations ip_vs_info_fops = {
 
 #endif
 
-struct ip_vs_stats ip_vs_stats = {
-	.lock = __SPIN_LOCK_UNLOCKED(ip_vs_stats.lock),
-};
-
 #ifdef CONFIG_PROC_FS
 static int ip_vs_stats_show(struct seq_file *seq, void *v)
 {
+	struct net *net = seq_file_single_net(seq);
+	struct ip_vs_stats *tot_stats = net_ipvs(net)->tot_stats;
 
 /*               01234567 01234567 01234567 0123456701234567 0123456701234567 */
 	seq_puts(seq,
@@ -1963,29 +1969,29 @@ static int ip_vs_stats_show(struct seq_file *seq, void *v)
 	seq_printf(seq,
 		   "   Conns  Packets  Packets            Bytes            Bytes\n");
 
-	spin_lock_bh(&ip_vs_stats.lock);
-	seq_printf(seq, "%8X %8X %8X %16LX %16LX\n\n", ip_vs_stats.ustats.conns,
-		   ip_vs_stats.ustats.inpkts, ip_vs_stats.ustats.outpkts,
-		   (unsigned long long) ip_vs_stats.ustats.inbytes,
-		   (unsigned long long) ip_vs_stats.ustats.outbytes);
+	spin_lock_bh(&tot_stats->lock);
+	seq_printf(seq, "%8X %8X %8X %16LX %16LX\n\n", tot_stats->ustats.conns,
+		   tot_stats->ustats.inpkts, tot_stats->ustats.outpkts,
+		   (unsigned long long) tot_stats->ustats.inbytes,
+		   (unsigned long long) tot_stats->ustats.outbytes);
 
 /*                 01234567 01234567 01234567 0123456701234567 0123456701234567 */
 	seq_puts(seq,
 		   " Conns/s   Pkts/s   Pkts/s          Bytes/s          Bytes/s\n");
 	seq_printf(seq,"%8X %8X %8X %16X %16X\n",
-			ip_vs_stats.ustats.cps,
-			ip_vs_stats.ustats.inpps,
-			ip_vs_stats.ustats.outpps,
-			ip_vs_stats.ustats.inbps,
-			ip_vs_stats.ustats.outbps);
-	spin_unlock_bh(&ip_vs_stats.lock);
+			tot_stats->ustats.cps,
+			tot_stats->ustats.inpps,
+			tot_stats->ustats.outpps,
+			tot_stats->ustats.inbps,
+			tot_stats->ustats.outbps);
+	spin_unlock_bh(&tot_stats->lock);
 
 	return 0;
 }
 
 static int ip_vs_stats_seq_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ip_vs_stats_show, NULL);
+	return single_open_net(inode, file, ip_vs_stats_show);
 }
 
 static const struct file_operations ip_vs_stats_fops = {
@@ -1996,13 +2002,68 @@ static const struct file_operations ip_vs_stats_fops = {
 	.release = single_release,
 };
 
+static int ip_vs_stats_percpu_show(struct seq_file *seq, void *v)
+{
+	struct net *net = seq_file_single_net(seq);
+	struct ip_vs_stats *tot_stats = net_ipvs(net)->tot_stats;
+	int i;
+
+/*               01234567 01234567 01234567 0123456701234567 0123456701234567 */
+	seq_puts(seq,
+		 "       Total Incoming Outgoing         Incoming         Outgoing\n");
+	seq_printf(seq,
+		   "CPU    Conns  Packets  Packets            Bytes            Bytes\n");
+
+	for_each_possible_cpu(i) {
+		struct ip_vs_cpu_stats *u = per_cpu_ptr(net->ipvs->cpustats, i);
+		seq_printf(seq, "%3X %8X %8X %8X %16LX %16LX\n",
+			    i, u->ustats.conns, u->ustats.inpkts,
+			    u->ustats.outpkts, (__u64)u->ustats.inbytes,
+			    (__u64)u->ustats.outbytes);
+	}
+
+	spin_lock_bh(&tot_stats->lock);
+	seq_printf(seq, "  ~ %8X %8X %8X %16LX %16LX\n\n",
+		   tot_stats->ustats.conns, tot_stats->ustats.inpkts,
+		   tot_stats->ustats.outpkts,
+		   (unsigned long long) tot_stats->ustats.inbytes,
+		   (unsigned long long) tot_stats->ustats.outbytes);
+
+/*                 01234567 01234567 01234567 0123456701234567 0123456701234567 */
+	seq_puts(seq,
+		   "     Conns/s   Pkts/s   Pkts/s          Bytes/s          Bytes/s\n");
+	seq_printf(seq, "    %8X %8X %8X %16X %16X\n",
+			tot_stats->ustats.cps,
+			tot_stats->ustats.inpps,
+			tot_stats->ustats.outpps,
+			tot_stats->ustats.inbps,
+			tot_stats->ustats.outbps);
+	spin_unlock_bh(&tot_stats->lock);
+
+	return 0;
+}
+
+static int ip_vs_stats_percpu_seq_open(struct inode *inode, struct file *file)
+{
+	return single_open_net(inode, file, ip_vs_stats_percpu_show);
+}
+
+static const struct file_operations ip_vs_stats_percpu_fops = {
+	.owner = THIS_MODULE,
+	.open = ip_vs_stats_percpu_seq_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
 #endif
 
 /*
  *	Set timeout values for tcp tcpfin udp in the timeout_table.
  */
-static int ip_vs_set_timeout(struct ip_vs_timeout_user *u)
+static int ip_vs_set_timeout(struct net *net, struct ip_vs_timeout_user *u)
 {
+	struct ip_vs_proto_data *pd;
+
 	IP_VS_DBG(2, "Setting timeout tcp:%d tcpfin:%d udp:%d\n",
 		  u->tcp_timeout,
 		  u->tcp_fin_timeout,
@@ -2010,19 +2071,22 @@ static int ip_vs_set_timeout(struct ip_vs_timeout_user *u)
 
 #ifdef CONFIG_IP_VS_PROTO_TCP
 	if (u->tcp_timeout) {
-		ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_ESTABLISHED]
+		pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+		pd->timeout_table[IP_VS_TCP_S_ESTABLISHED]
 			= u->tcp_timeout * HZ;
 	}
 
 	if (u->tcp_fin_timeout) {
-		ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_FIN_WAIT]
+		pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+		pd->timeout_table[IP_VS_TCP_S_FIN_WAIT]
 			= u->tcp_fin_timeout * HZ;
 	}
 #endif
 
 #ifdef CONFIG_IP_VS_PROTO_UDP
 	if (u->udp_timeout) {
-		ip_vs_protocol_udp.timeout_table[IP_VS_UDP_S_NORMAL]
+		pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
+		pd->timeout_table[IP_VS_UDP_S_NORMAL]
 			= u->udp_timeout * HZ;
 	}
 #endif
@@ -2087,6 +2151,7 @@ static void ip_vs_copy_udest_compat(struct ip_vs_dest_user_kern *udest,
 static int
 do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
 {
+	struct net *net = sock_net(sk);
 	int ret;
 	unsigned char arg[MAX_ARG_LEN];
 	struct ip_vs_service_user *usvc_compat;
@@ -2121,19 +2186,20 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
 
 	if (cmd == IP_VS_SO_SET_FLUSH) {
 		/* Flush the virtual service */
-		ret = ip_vs_flush();
+		ret = ip_vs_flush(net);
 		goto out_unlock;
 	} else if (cmd == IP_VS_SO_SET_TIMEOUT) {
 		/* Set timeout values for (tcp tcpfin udp) */
-		ret = ip_vs_set_timeout((struct ip_vs_timeout_user *)arg);
+		ret = ip_vs_set_timeout(net, (struct ip_vs_timeout_user *)arg);
 		goto out_unlock;
 	} else if (cmd == IP_VS_SO_SET_STARTDAEMON) {
 		struct ip_vs_daemon_user *dm = (struct ip_vs_daemon_user *)arg;
-		ret = start_sync_thread(dm->state, dm->mcast_ifn, dm->syncid);
+		ret = start_sync_thread(net, dm->state, dm->mcast_ifn,
+					dm->syncid);
 		goto out_unlock;
 	} else if (cmd == IP_VS_SO_SET_STOPDAEMON) {
 		struct ip_vs_daemon_user *dm = (struct ip_vs_daemon_user *)arg;
-		ret = stop_sync_thread(dm->state);
+		ret = stop_sync_thread(net, dm->state);
 		goto out_unlock;
 	}
 
@@ -2148,7 +2214,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
 	if (cmd == IP_VS_SO_SET_ZERO) {
 		/* if no service address is set, zero counters in all */
 		if (!usvc.fwmark && !usvc.addr.ip && !usvc.port) {
-			ret = ip_vs_zero_all();
+			ret = ip_vs_zero_all(net);
 			goto out_unlock;
 		}
 	}
@@ -2165,10 +2231,10 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
 
 	/* Lookup the exact service by <protocol, addr, port> or fwmark */
 	if (usvc.fwmark == 0)
-		svc = __ip_vs_service_find(usvc.af, usvc.protocol,
+		svc = __ip_vs_service_find(net, usvc.af, usvc.protocol,
 					   &usvc.addr, usvc.port);
 	else
-		svc = __ip_vs_svc_fwm_find(usvc.af, usvc.fwmark);
+		svc = __ip_vs_svc_fwm_find(net, usvc.af, usvc.fwmark);
 
 	if (cmd != IP_VS_SO_SET_ADD
 	    && (svc == NULL || svc->protocol != usvc.protocol)) {
@@ -2181,7 +2247,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len)
 		if (svc != NULL)
 			ret = -EEXIST;
 		else
-			ret = ip_vs_add_service(&usvc, &svc);
+			ret = ip_vs_add_service(net, &usvc, &svc);
 		break;
 	case IP_VS_SO_SET_EDIT:
 		ret = ip_vs_edit_service(svc, &usvc);
@@ -2241,7 +2307,8 @@ ip_vs_copy_service(struct ip_vs_service_entry *dst, struct ip_vs_service *src)
 }
 
 static inline int
-__ip_vs_get_service_entries(const struct ip_vs_get_services *get,
+__ip_vs_get_service_entries(struct net *net,
+			    const struct ip_vs_get_services *get,
 			    struct ip_vs_get_services __user *uptr)
 {
 	int idx, count=0;
@@ -2252,7 +2319,7 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
 	for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
 		list_for_each_entry(svc, &ip_vs_svc_table[idx], s_list) {
 			/* Only expose IPv4 entries to old interface */
-			if (svc->af != AF_INET)
+			if (svc->af != AF_INET || !net_eq(svc->net, net))
 				continue;
 
 			if (count >= get->num_services)
@@ -2271,7 +2338,7 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
 	for (idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++) {
 		list_for_each_entry(svc, &ip_vs_svc_fwm_table[idx], f_list) {
 			/* Only expose IPv4 entries to old interface */
-			if (svc->af != AF_INET)
+			if (svc->af != AF_INET || !net_eq(svc->net, net))
 				continue;
 
 			if (count >= get->num_services)
@@ -2291,7 +2358,7 @@ __ip_vs_get_service_entries(const struct ip_vs_get_services *get,
 }
 
 static inline int
-__ip_vs_get_dest_entries(const struct ip_vs_get_dests *get,
+__ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get,
 			 struct ip_vs_get_dests __user *uptr)
 {
 	struct ip_vs_service *svc;
@@ -2299,9 +2366,9 @@ __ip_vs_get_dest_entries(const struct ip_vs_get_dests *get,
 	int ret = 0;
 
 	if (get->fwmark)
-		svc = __ip_vs_svc_fwm_find(AF_INET, get->fwmark);
+		svc = __ip_vs_svc_fwm_find(net, AF_INET, get->fwmark);
 	else
-		svc = __ip_vs_service_find(AF_INET, get->protocol, &addr,
+		svc = __ip_vs_service_find(net, AF_INET, get->protocol, &addr,
 					   get->port);
 
 	if (svc) {
@@ -2336,17 +2403,19 @@ __ip_vs_get_dest_entries(const struct ip_vs_get_dests *get,
 }
 
 static inline void
-__ip_vs_get_timeouts(struct ip_vs_timeout_user *u)
+__ip_vs_get_timeouts(struct net *net, struct ip_vs_timeout_user *u)
 {
+	struct ip_vs_proto_data *pd;
+
 #ifdef CONFIG_IP_VS_PROTO_TCP
-	u->tcp_timeout =
-		ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_ESTABLISHED] / HZ;
-	u->tcp_fin_timeout =
-		ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_FIN_WAIT] / HZ;
+	pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+	u->tcp_timeout = pd->timeout_table[IP_VS_TCP_S_ESTABLISHED] / HZ;
+	u->tcp_fin_timeout = pd->timeout_table[IP_VS_TCP_S_FIN_WAIT] / HZ;
 #endif
 #ifdef CONFIG_IP_VS_PROTO_UDP
+	pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
 	u->udp_timeout =
-		ip_vs_protocol_udp.timeout_table[IP_VS_UDP_S_NORMAL] / HZ;
+			pd->timeout_table[IP_VS_UDP_S_NORMAL] / HZ;
 #endif
 }
 
@@ -2375,7 +2444,10 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 	unsigned char arg[128];
 	int ret = 0;
 	unsigned int copylen;
+	struct net *net = sock_net(sk);
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
+	BUG_ON(!net);
 	if (!capable(CAP_NET_ADMIN))
 		return -EPERM;
 
@@ -2418,7 +2490,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 		struct ip_vs_getinfo info;
 		info.version = IP_VS_VERSION_CODE;
 		info.size = ip_vs_conn_tab_size;
-		info.num_services = ip_vs_num_services;
+		info.num_services = ipvs->num_services;
 		if (copy_to_user(user, &info, sizeof(info)) != 0)
 			ret = -EFAULT;
 	}
@@ -2437,7 +2509,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 			ret = -EINVAL;
 			goto out;
 		}
-		ret = __ip_vs_get_service_entries(get, user);
+		ret = __ip_vs_get_service_entries(net, get, user);
 	}
 	break;
 
@@ -2450,10 +2522,11 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 		entry = (struct ip_vs_service_entry *)arg;
 		addr.ip = entry->addr;
 		if (entry->fwmark)
-			svc = __ip_vs_svc_fwm_find(AF_INET, entry->fwmark);
+			svc = __ip_vs_svc_fwm_find(net, AF_INET, entry->fwmark);
 		else
-			svc = __ip_vs_service_find(AF_INET, entry->protocol,
-						   &addr, entry->port);
+			svc = __ip_vs_service_find(net, AF_INET,
+						   entry->protocol, &addr,
+						   entry->port);
 		if (svc) {
 			ip_vs_copy_service(entry, svc);
 			if (copy_to_user(user, entry, sizeof(*entry)) != 0)
@@ -2476,7 +2549,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 			ret = -EINVAL;
 			goto out;
 		}
-		ret = __ip_vs_get_dest_entries(get, user);
+		ret = __ip_vs_get_dest_entries(net, get, user);
 	}
 	break;
 
@@ -2484,7 +2557,7 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 	{
 		struct ip_vs_timeout_user t;
 
-		__ip_vs_get_timeouts(&t);
+		__ip_vs_get_timeouts(net, &t);
 		if (copy_to_user(user, &t, sizeof(t)) != 0)
 			ret = -EFAULT;
 	}
@@ -2495,15 +2568,17 @@ do_ip_vs_get_ctl(struct sock *sk, int cmd, void __user *user, int *len)
 		struct ip_vs_daemon_user d[2];
 
 		memset(&d, 0, sizeof(d));
-		if (ip_vs_sync_state & IP_VS_STATE_MASTER) {
+		if (ipvs->sync_state & IP_VS_STATE_MASTER) {
 			d[0].state = IP_VS_STATE_MASTER;
-			strlcpy(d[0].mcast_ifn, ip_vs_master_mcast_ifn, sizeof(d[0].mcast_ifn));
-			d[0].syncid = ip_vs_master_syncid;
+			strlcpy(d[0].mcast_ifn, ipvs->master_mcast_ifn,
+				sizeof(d[0].mcast_ifn));
+			d[0].syncid = ipvs->master_syncid;
 		}
-		if (ip_vs_sync_state & IP_VS_STATE_BACKUP) {
+		if (ipvs->sync_state & IP_VS_STATE_BACKUP) {
 			d[1].state = IP_VS_STATE_BACKUP;
-			strlcpy(d[1].mcast_ifn, ip_vs_backup_mcast_ifn, sizeof(d[1].mcast_ifn));
-			d[1].syncid = ip_vs_backup_syncid;
+			strlcpy(d[1].mcast_ifn, ipvs->backup_mcast_ifn,
+				sizeof(d[1].mcast_ifn));
+			d[1].syncid = ipvs->backup_syncid;
 		}
 		if (copy_to_user(user, &d, sizeof(d)) != 0)
 			ret = -EFAULT;
@@ -2542,6 +2617,7 @@ static struct genl_family ip_vs_genl_family = {
 	.name		= IPVS_GENL_NAME,
 	.version	= IPVS_GENL_VERSION,
 	.maxattr	= IPVS_CMD_MAX,
+	.netnsok        = true,         /* Make ipvsadm to work on netns */
 };
 
 /* Policy used for first-level command attributes */
@@ -2696,11 +2772,12 @@ static int ip_vs_genl_dump_services(struct sk_buff *skb,
 	int idx = 0, i;
 	int start = cb->args[0];
 	struct ip_vs_service *svc;
+	struct net *net = skb_sknet(skb);
 
 	mutex_lock(&__ip_vs_mutex);
 	for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) {
 		list_for_each_entry(svc, &ip_vs_svc_table[i], s_list) {
-			if (++idx <= start)
+			if (++idx <= start || !net_eq(svc->net, net))
 				continue;
 			if (ip_vs_genl_dump_service(skb, svc, cb) < 0) {
 				idx--;
@@ -2711,7 +2788,7 @@ static int ip_vs_genl_dump_services(struct sk_buff *skb,
 
 	for (i = 0; i < IP_VS_SVC_TAB_SIZE; i++) {
 		list_for_each_entry(svc, &ip_vs_svc_fwm_table[i], f_list) {
-			if (++idx <= start)
+			if (++idx <= start || !net_eq(svc->net, net))
 				continue;
 			if (ip_vs_genl_dump_service(skb, svc, cb) < 0) {
 				idx--;
@@ -2727,7 +2804,8 @@ nla_put_failure:
 	return skb->len;
 }
 
-static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
+static int ip_vs_genl_parse_service(struct net *net,
+				    struct ip_vs_service_user_kern *usvc,
 				    struct nlattr *nla, int full_entry,
 				    struct ip_vs_service **ret_svc)
 {
@@ -2770,9 +2848,9 @@ static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
 	}
 
 	if (usvc->fwmark)
-		svc = __ip_vs_svc_fwm_find(usvc->af, usvc->fwmark);
+		svc = __ip_vs_svc_fwm_find(net, usvc->af, usvc->fwmark);
 	else
-		svc = __ip_vs_service_find(usvc->af, usvc->protocol,
+		svc = __ip_vs_service_find(net, usvc->af, usvc->protocol,
 					   &usvc->addr, usvc->port);
 	*ret_svc = svc;
 
@@ -2809,13 +2887,14 @@ static int ip_vs_genl_parse_service(struct ip_vs_service_user_kern *usvc,
 	return 0;
 }
 
-static struct ip_vs_service *ip_vs_genl_find_service(struct nlattr *nla)
+static struct ip_vs_service *ip_vs_genl_find_service(struct net *net,
+						     struct nlattr *nla)
 {
 	struct ip_vs_service_user_kern usvc;
 	struct ip_vs_service *svc;
 	int ret;
 
-	ret = ip_vs_genl_parse_service(&usvc, nla, 0, &svc);
+	ret = ip_vs_genl_parse_service(net, &usvc, nla, 0, &svc);
 	return ret ? ERR_PTR(ret) : svc;
 }
 
@@ -2883,6 +2962,7 @@ static int ip_vs_genl_dump_dests(struct sk_buff *skb,
 	struct ip_vs_service *svc;
 	struct ip_vs_dest *dest;
 	struct nlattr *attrs[IPVS_CMD_ATTR_MAX + 1];
+	struct net *net = skb_sknet(skb);
 
 	mutex_lock(&__ip_vs_mutex);
 
@@ -2891,7 +2971,8 @@ static int ip_vs_genl_dump_dests(struct sk_buff *skb,
 			IPVS_CMD_ATTR_MAX, ip_vs_cmd_policy))
 		goto out_err;
 
-	svc = ip_vs_genl_find_service(attrs[IPVS_CMD_ATTR_SERVICE]);
+
+	svc = ip_vs_genl_find_service(net, attrs[IPVS_CMD_ATTR_SERVICE]);
 	if (IS_ERR(svc) || svc == NULL)
 		goto out_err;
 
@@ -3005,20 +3086,23 @@ nla_put_failure:
 static int ip_vs_genl_dump_daemons(struct sk_buff *skb,
 				   struct netlink_callback *cb)
 {
+	struct net *net = skb_net(skb);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
 	mutex_lock(&__ip_vs_mutex);
-	if ((ip_vs_sync_state & IP_VS_STATE_MASTER) && !cb->args[0]) {
+	if ((ipvs->sync_state & IP_VS_STATE_MASTER) && !cb->args[0]) {
 		if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_MASTER,
-					   ip_vs_master_mcast_ifn,
-					   ip_vs_master_syncid, cb) < 0)
+					   ipvs->master_mcast_ifn,
+					   ipvs->master_syncid, cb) < 0)
 			goto nla_put_failure;
 
 		cb->args[0] = 1;
 	}
 
-	if ((ip_vs_sync_state & IP_VS_STATE_BACKUP) && !cb->args[1]) {
+	if ((ipvs->sync_state & IP_VS_STATE_BACKUP) && !cb->args[1]) {
 		if (ip_vs_genl_dump_daemon(skb, IP_VS_STATE_BACKUP,
-					   ip_vs_backup_mcast_ifn,
-					   ip_vs_backup_syncid, cb) < 0)
+					   ipvs->backup_mcast_ifn,
+					   ipvs->backup_syncid, cb) < 0)
 			goto nla_put_failure;
 
 		cb->args[1] = 1;
@@ -3030,31 +3114,33 @@ nla_put_failure:
 	return skb->len;
 }
 
-static int ip_vs_genl_new_daemon(struct nlattr **attrs)
+static int ip_vs_genl_new_daemon(struct net *net, struct nlattr **attrs)
 {
 	if (!(attrs[IPVS_DAEMON_ATTR_STATE] &&
 	      attrs[IPVS_DAEMON_ATTR_MCAST_IFN] &&
 	      attrs[IPVS_DAEMON_ATTR_SYNC_ID]))
 		return -EINVAL;
 
-	return start_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]),
+	return start_sync_thread(net,
+				 nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]),
 				 nla_data(attrs[IPVS_DAEMON_ATTR_MCAST_IFN]),
 				 nla_get_u32(attrs[IPVS_DAEMON_ATTR_SYNC_ID]));
 }
 
-static int ip_vs_genl_del_daemon(struct nlattr **attrs)
+static int ip_vs_genl_del_daemon(struct net *net, struct nlattr **attrs)
 {
 	if (!attrs[IPVS_DAEMON_ATTR_STATE])
 		return -EINVAL;
 
-	return stop_sync_thread(nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]));
+	return stop_sync_thread(net,
+				nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE]));
 }
 
-static int ip_vs_genl_set_config(struct nlattr **attrs)
+static int ip_vs_genl_set_config(struct net *net, struct nlattr **attrs)
 {
 	struct ip_vs_timeout_user t;
 
-	__ip_vs_get_timeouts(&t);
+	__ip_vs_get_timeouts(net, &t);
 
 	if (attrs[IPVS_CMD_ATTR_TIMEOUT_TCP])
 		t.tcp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_TCP]);
@@ -3066,7 +3152,7 @@ static int ip_vs_genl_set_config(struct nlattr **attrs)
 	if (attrs[IPVS_CMD_ATTR_TIMEOUT_UDP])
 		t.udp_timeout = nla_get_u32(attrs[IPVS_CMD_ATTR_TIMEOUT_UDP]);
 
-	return ip_vs_set_timeout(&t);
+	return ip_vs_set_timeout(net, &t);
 }
 
 static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
@@ -3076,16 +3162,20 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
 	struct ip_vs_dest_user_kern udest;
 	int ret = 0, cmd;
 	int need_full_svc = 0, need_full_dest = 0;
+	struct net *net;
+	struct netns_ipvs *ipvs;
 
+	net = skb_sknet(skb);
+	ipvs = net_ipvs(net);
 	cmd = info->genlhdr->cmd;
 
 	mutex_lock(&__ip_vs_mutex);
 
 	if (cmd == IPVS_CMD_FLUSH) {
-		ret = ip_vs_flush();
+		ret = ip_vs_flush(net);
 		goto out;
 	} else if (cmd == IPVS_CMD_SET_CONFIG) {
-		ret = ip_vs_genl_set_config(info->attrs);
+		ret = ip_vs_genl_set_config(net, info->attrs);
 		goto out;
 	} else if (cmd == IPVS_CMD_NEW_DAEMON ||
 		   cmd == IPVS_CMD_DEL_DAEMON) {
@@ -3101,13 +3191,13 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
 		}
 
 		if (cmd == IPVS_CMD_NEW_DAEMON)
-			ret = ip_vs_genl_new_daemon(daemon_attrs);
+			ret = ip_vs_genl_new_daemon(net, daemon_attrs);
 		else
-			ret = ip_vs_genl_del_daemon(daemon_attrs);
+			ret = ip_vs_genl_del_daemon(net, daemon_attrs);
 		goto out;
 	} else if (cmd == IPVS_CMD_ZERO &&
 		   !info->attrs[IPVS_CMD_ATTR_SERVICE]) {
-		ret = ip_vs_zero_all();
+		ret = ip_vs_zero_all(net);
 		goto out;
 	}
 
@@ -3117,7 +3207,7 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
 	if (cmd == IPVS_CMD_NEW_SERVICE || cmd == IPVS_CMD_SET_SERVICE)
 		need_full_svc = 1;
 
-	ret = ip_vs_genl_parse_service(&usvc,
+	ret = ip_vs_genl_parse_service(net, &usvc,
 				       info->attrs[IPVS_CMD_ATTR_SERVICE],
 				       need_full_svc, &svc);
 	if (ret)
@@ -3147,7 +3237,7 @@ static int ip_vs_genl_set_cmd(struct sk_buff *skb, struct genl_info *info)
 	switch (cmd) {
 	case IPVS_CMD_NEW_SERVICE:
 		if (svc == NULL)
-			ret = ip_vs_add_service(&usvc, &svc);
+			ret = ip_vs_add_service(net, &usvc, &svc);
 		else
 			ret = -EEXIST;
 		break;
@@ -3185,7 +3275,11 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
 	struct sk_buff *msg;
 	void *reply;
 	int ret, cmd, reply_cmd;
+	struct net *net;
+	struct netns_ipvs *ipvs;
 
+	net = skb_sknet(skb);
+	ipvs = net_ipvs(net);
 	cmd = info->genlhdr->cmd;
 
 	if (cmd == IPVS_CMD_GET_SERVICE)
@@ -3214,7 +3308,8 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
 	{
 		struct ip_vs_service *svc;
 
-		svc = ip_vs_genl_find_service(info->attrs[IPVS_CMD_ATTR_SERVICE]);
+		svc = ip_vs_genl_find_service(net,
+					      info->attrs[IPVS_CMD_ATTR_SERVICE]);
 		if (IS_ERR(svc)) {
 			ret = PTR_ERR(svc);
 			goto out_err;
@@ -3234,7 +3329,7 @@ static int ip_vs_genl_get_cmd(struct sk_buff *skb, struct genl_info *info)
 	{
 		struct ip_vs_timeout_user t;
 
-		__ip_vs_get_timeouts(&t);
+		__ip_vs_get_timeouts(net, &t);
 #ifdef CONFIG_IP_VS_PROTO_TCP
 		NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP, t.tcp_timeout);
 		NLA_PUT_U32(msg, IPVS_CMD_ATTR_TIMEOUT_TCP_FIN,
@@ -3380,62 +3475,172 @@ static void ip_vs_genl_unregister(void)
 
 /* End of Generic Netlink interface definitions */
 
+/*
+ * per netns intit/exit func.
+ */
+int __net_init __ip_vs_control_init(struct net *net)
+{
+	int idx;
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ctl_table *tbl;
+
+	atomic_set(&ipvs->dropentry, 0);
+	spin_lock_init(&ipvs->dropentry_lock);
+	spin_lock_init(&ipvs->droppacket_lock);
+	spin_lock_init(&ipvs->securetcp_lock);
+	ipvs->rs_lock = __RW_LOCK_UNLOCKED(ipvs->rs_lock);
+
+	/* Initialize rs_table */
+	for (idx = 0; idx < IP_VS_RTAB_SIZE; idx++)
+		INIT_LIST_HEAD(&ipvs->rs_table[idx]);
+
+	INIT_LIST_HEAD(&ipvs->dest_trash);
+	atomic_set(&ipvs->ftpsvc_counter, 0);
+	atomic_set(&ipvs->nullsvc_counter, 0);
+
+	/* procfs stats */
+	ipvs->tot_stats = kzalloc(sizeof(struct ip_vs_stats), GFP_KERNEL);
+	if (ipvs->tot_stats == NULL) {
+		pr_err("%s(): no memory.\n", __func__);
+		return -ENOMEM;
+	}
+	ipvs->cpustats = alloc_percpu(struct ip_vs_cpu_stats);
+	if (!ipvs->cpustats) {
+		pr_err("%s() alloc_percpu failed\n", __func__);
+		goto err_alloc;
+	}
+	spin_lock_init(&ipvs->tot_stats->lock);
+
+	for (idx = 0; idx < IP_VS_RTAB_SIZE; idx++)
+		INIT_LIST_HEAD(&ipvs->rs_table[idx]);
+
+	proc_net_fops_create(net, "ip_vs", 0, &ip_vs_info_fops);
+	proc_net_fops_create(net, "ip_vs_stats", 0, &ip_vs_stats_fops);
+	proc_net_fops_create(net, "ip_vs_stats_percpu", 0,
+			     &ip_vs_stats_percpu_fops);
+
+	if (!net_eq(net, &init_net)) {
+		tbl = kmemdup(vs_vars, sizeof(vs_vars), GFP_KERNEL);
+		if (tbl == NULL)
+			goto err_dup;
+	} else
+		tbl = vs_vars;
+	/* Initialize sysctl defaults */
+	idx = 0;
+	ipvs->sysctl_amemthresh = 1024;
+	tbl[idx++].data = &ipvs->sysctl_amemthresh;
+	ipvs->sysctl_am_droprate = 10;
+	tbl[idx++].data = &ipvs->sysctl_am_droprate;
+	tbl[idx++].data = &ipvs->sysctl_drop_entry;
+	tbl[idx++].data = &ipvs->sysctl_drop_packet;
+#ifdef CONFIG_IP_VS_NFCT
+	tbl[idx++].data = &ipvs->sysctl_conntrack;
+#endif
+	tbl[idx++].data = &ipvs->sysctl_secure_tcp;
+	ipvs->sysctl_snat_reroute = 1;
+	tbl[idx++].data = &ipvs->sysctl_snat_reroute;
+	ipvs->sysctl_sync_ver = 1;
+	tbl[idx++].data = &ipvs->sysctl_sync_ver;
+	tbl[idx++].data = &ipvs->sysctl_cache_bypass;
+	tbl[idx++].data = &ipvs->sysctl_expire_nodest_conn;
+	tbl[idx++].data = &ipvs->sysctl_expire_quiescent_template;
+	ipvs->sysctl_sync_threshold[0] = 3;
+	ipvs->sysctl_sync_threshold[1] = 50;
+	tbl[idx].data = &ipvs->sysctl_sync_threshold;
+	tbl[idx++].maxlen = sizeof(ipvs->sysctl_sync_threshold);
+	tbl[idx++].data = &ipvs->sysctl_nat_icmp_send;
+
+
+	ipvs->sysctl_hdr = register_net_sysctl_table(net, net_vs_ctl_path,
+						  vs_vars);
+	if (ipvs->sysctl_hdr == NULL)
+		goto err_reg;
+	ip_vs_new_estimator(net, ipvs->tot_stats);
+	ipvs->sysctl_tbl = tbl;
+	/* Schedule defense work */
+	INIT_DELAYED_WORK(&ipvs->defense_work, defense_work_handler);
+	schedule_delayed_work(&ipvs->defense_work, DEFENSE_TIMER_PERIOD);
+	return 0;
+
+err_reg:
+	if (!net_eq(net, &init_net))
+		kfree(tbl);
+err_dup:
+	free_percpu(ipvs->cpustats);
+err_alloc:
+	kfree(ipvs->tot_stats);
+	return -ENOMEM;
+}
+
+static void __net_exit __ip_vs_control_cleanup(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	ip_vs_trash_cleanup(net);
+	ip_vs_kill_estimator(net, ipvs->tot_stats);
+	cancel_delayed_work_sync(&ipvs->defense_work);
+	cancel_work_sync(&ipvs->defense_work.work);
+	unregister_net_sysctl_table(ipvs->sysctl_hdr);
+	proc_net_remove(net, "ip_vs_stats_percpu");
+	proc_net_remove(net, "ip_vs_stats");
+	proc_net_remove(net, "ip_vs");
+	free_percpu(ipvs->cpustats);
+	kfree(ipvs->tot_stats);
+}
+
+static struct pernet_operations ipvs_control_ops = {
+	.init = __ip_vs_control_init,
+	.exit = __ip_vs_control_cleanup,
+};
 
 int __init ip_vs_control_init(void)
 {
-	int ret;
 	int idx;
+	int ret;
 
 	EnterFunction(2);
 
-	/* Initialize ip_vs_svc_table, ip_vs_svc_fwm_table, ip_vs_rtable */
+	/* Initialize svc_table, ip_vs_svc_fwm_table, rs_table */
 	for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++)  {
 		INIT_LIST_HEAD(&ip_vs_svc_table[idx]);
 		INIT_LIST_HEAD(&ip_vs_svc_fwm_table[idx]);
 	}
-	for(idx = 0; idx < IP_VS_RTAB_SIZE; idx++)  {
-		INIT_LIST_HEAD(&ip_vs_rtable[idx]);
+
+	ret = register_pernet_subsys(&ipvs_control_ops);
+	if (ret) {
+		pr_err("cannot register namespace.\n");
+		goto err;
 	}
-	smp_wmb();
+
+	smp_wmb();	/* Do we really need it now ? */
 
 	ret = nf_register_sockopt(&ip_vs_sockopts);
 	if (ret) {
 		pr_err("cannot register sockopt.\n");
-		return ret;
+		goto err_net;
 	}
 
 	ret = ip_vs_genl_register();
 	if (ret) {
 		pr_err("cannot register Generic Netlink interface.\n");
 		nf_unregister_sockopt(&ip_vs_sockopts);
-		return ret;
+		goto err_net;
 	}
 
-	proc_net_fops_create(&init_net, "ip_vs", 0, &ip_vs_info_fops);
-	proc_net_fops_create(&init_net, "ip_vs_stats",0, &ip_vs_stats_fops);
-
-	sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars);
-
-	ip_vs_new_estimator(&ip_vs_stats);
-
-	/* Hook the defense timer */
-	schedule_delayed_work(&defense_work, DEFENSE_TIMER_PERIOD);
-
 	LeaveFunction(2);
 	return 0;
+
+err_net:
+	unregister_pernet_subsys(&ipvs_control_ops);
+err:
+	return ret;
 }
 
 
 void ip_vs_control_cleanup(void)
 {
 	EnterFunction(2);
-	ip_vs_trash_cleanup();
-	cancel_delayed_work_sync(&defense_work);
-	cancel_work_sync(&defense_work.work);
-	ip_vs_kill_estimator(&ip_vs_stats);
-	unregister_sysctl_table(sysctl_header);
-	proc_net_remove(&init_net, "ip_vs_stats");
-	proc_net_remove(&init_net, "ip_vs");
+	unregister_pernet_subsys(&ipvs_control_ops);
 	ip_vs_genl_unregister();
 	nf_unregister_sockopt(&ip_vs_sockopts);
 	LeaveFunction(2);
diff --git a/net/netfilter/ipvs/ip_vs_est.c b/net/netfilter/ipvs/ip_vs_est.c
index ff28801962e0..f560a05c965a 100644
--- a/net/netfilter/ipvs/ip_vs_est.c
+++ b/net/netfilter/ipvs/ip_vs_est.c
@@ -8,8 +8,12 @@
  *              as published by the Free Software Foundation; either version
  *              2 of the License, or (at your option) any later version.
  *
- * Changes:
- *
+ * Changes:     Hans Schillstrom <hans.schillstrom@ericsson.com>
+ *              Network name space (netns) aware.
+ *              Global data moved to netns i.e struct netns_ipvs
+ *              Affected data: est_list and est_lock.
+ *              estimation_timer() runs with timer per netns.
+ *              get_stats()) do the per cpu summing.
  */
 
 #define KMSG_COMPONENT "IPVS"
@@ -48,11 +52,42 @@
  */
 
 
-static void estimation_timer(unsigned long arg);
+/*
+ * Make a summary from each cpu
+ */
+static void ip_vs_read_cpu_stats(struct ip_vs_stats_user *sum,
+				 struct ip_vs_cpu_stats *stats)
+{
+	int i;
+
+	for_each_possible_cpu(i) {
+		struct ip_vs_cpu_stats *s = per_cpu_ptr(stats, i);
+		unsigned int start;
+		__u64 inbytes, outbytes;
+		if (i) {
+			sum->conns += s->ustats.conns;
+			sum->inpkts += s->ustats.inpkts;
+			sum->outpkts += s->ustats.outpkts;
+			do {
+				start = u64_stats_fetch_begin_bh(&s->syncp);
+				inbytes = s->ustats.inbytes;
+				outbytes = s->ustats.outbytes;
+			} while (u64_stats_fetch_retry_bh(&s->syncp, start));
+			sum->inbytes += inbytes;
+			sum->outbytes += outbytes;
+		} else {
+			sum->conns = s->ustats.conns;
+			sum->inpkts = s->ustats.inpkts;
+			sum->outpkts = s->ustats.outpkts;
+			do {
+				start = u64_stats_fetch_begin_bh(&s->syncp);
+				sum->inbytes = s->ustats.inbytes;
+				sum->outbytes = s->ustats.outbytes;
+			} while (u64_stats_fetch_retry_bh(&s->syncp, start));
+		}
+	}
+}
 
-static LIST_HEAD(est_list);
-static DEFINE_SPINLOCK(est_lock);
-static DEFINE_TIMER(est_timer, estimation_timer, 0, 0);
 
 static void estimation_timer(unsigned long arg)
 {
@@ -62,11 +97,16 @@ static void estimation_timer(unsigned long arg)
 	u32 n_inpkts, n_outpkts;
 	u64 n_inbytes, n_outbytes;
 	u32 rate;
+	struct net *net = (struct net *)arg;
+	struct netns_ipvs *ipvs;
 
-	spin_lock(&est_lock);
-	list_for_each_entry(e, &est_list, list) {
+	ipvs = net_ipvs(net);
+	ip_vs_read_cpu_stats(&ipvs->tot_stats->ustats, ipvs->cpustats);
+	spin_lock(&ipvs->est_lock);
+	list_for_each_entry(e, &ipvs->est_list, list) {
 		s = container_of(e, struct ip_vs_stats, est);
 
+		ip_vs_read_cpu_stats(&s->ustats, s->cpustats);
 		spin_lock(&s->lock);
 		n_conns = s->ustats.conns;
 		n_inpkts = s->ustats.inpkts;
@@ -75,38 +115,39 @@ static void estimation_timer(unsigned long arg)
 		n_outbytes = s->ustats.outbytes;
 
 		/* scaled by 2^10, but divided 2 seconds */
-		rate = (n_conns - e->last_conns)<<9;
+		rate = (n_conns - e->last_conns) << 9;
 		e->last_conns = n_conns;
-		e->cps += ((long)rate - (long)e->cps)>>2;
-		s->ustats.cps = (e->cps+0x1FF)>>10;
+		e->cps += ((long)rate - (long)e->cps) >> 2;
+		s->ustats.cps = (e->cps + 0x1FF) >> 10;
 
-		rate = (n_inpkts - e->last_inpkts)<<9;
+		rate = (n_inpkts - e->last_inpkts) << 9;
 		e->last_inpkts = n_inpkts;
-		e->inpps += ((long)rate - (long)e->inpps)>>2;
-		s->ustats.inpps = (e->inpps+0x1FF)>>10;
+		e->inpps += ((long)rate - (long)e->inpps) >> 2;
+		s->ustats.inpps = (e->inpps + 0x1FF) >> 10;
 
-		rate = (n_outpkts - e->last_outpkts)<<9;
+		rate = (n_outpkts - e->last_outpkts) << 9;
 		e->last_outpkts = n_outpkts;
-		e->outpps += ((long)rate - (long)e->outpps)>>2;
-		s->ustats.outpps = (e->outpps+0x1FF)>>10;
+		e->outpps += ((long)rate - (long)e->outpps) >> 2;
+		s->ustats.outpps = (e->outpps + 0x1FF) >> 10;
 
-		rate = (n_inbytes - e->last_inbytes)<<4;
+		rate = (n_inbytes - e->last_inbytes) << 4;
 		e->last_inbytes = n_inbytes;
-		e->inbps += ((long)rate - (long)e->inbps)>>2;
-		s->ustats.inbps = (e->inbps+0xF)>>5;
+		e->inbps += ((long)rate - (long)e->inbps) >> 2;
+		s->ustats.inbps = (e->inbps + 0xF) >> 5;
 
-		rate = (n_outbytes - e->last_outbytes)<<4;
+		rate = (n_outbytes - e->last_outbytes) << 4;
 		e->last_outbytes = n_outbytes;
-		e->outbps += ((long)rate - (long)e->outbps)>>2;
-		s->ustats.outbps = (e->outbps+0xF)>>5;
+		e->outbps += ((long)rate - (long)e->outbps) >> 2;
+		s->ustats.outbps = (e->outbps + 0xF) >> 5;
 		spin_unlock(&s->lock);
 	}
-	spin_unlock(&est_lock);
-	mod_timer(&est_timer, jiffies + 2*HZ);
+	spin_unlock(&ipvs->est_lock);
+	mod_timer(&ipvs->est_timer, jiffies + 2*HZ);
 }
 
-void ip_vs_new_estimator(struct ip_vs_stats *stats)
+void ip_vs_new_estimator(struct net *net, struct ip_vs_stats *stats)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_estimator *est = &stats->est;
 
 	INIT_LIST_HEAD(&est->list);
@@ -126,18 +167,19 @@ void ip_vs_new_estimator(struct ip_vs_stats *stats)
 	est->last_outbytes = stats->ustats.outbytes;
 	est->outbps = stats->ustats.outbps<<5;
 
-	spin_lock_bh(&est_lock);
-	list_add(&est->list, &est_list);
-	spin_unlock_bh(&est_lock);
+	spin_lock_bh(&ipvs->est_lock);
+	list_add(&est->list, &ipvs->est_list);
+	spin_unlock_bh(&ipvs->est_lock);
 }
 
-void ip_vs_kill_estimator(struct ip_vs_stats *stats)
+void ip_vs_kill_estimator(struct net *net, struct ip_vs_stats *stats)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_estimator *est = &stats->est;
 
-	spin_lock_bh(&est_lock);
+	spin_lock_bh(&ipvs->est_lock);
 	list_del(&est->list);
-	spin_unlock_bh(&est_lock);
+	spin_unlock_bh(&ipvs->est_lock);
 }
 
 void ip_vs_zero_estimator(struct ip_vs_stats *stats)
@@ -157,13 +199,35 @@ void ip_vs_zero_estimator(struct ip_vs_stats *stats)
 	est->outbps = 0;
 }
 
-int __init ip_vs_estimator_init(void)
+static int __net_init __ip_vs_estimator_init(struct net *net)
 {
-	mod_timer(&est_timer, jiffies + 2 * HZ);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	INIT_LIST_HEAD(&ipvs->est_list);
+	spin_lock_init(&ipvs->est_lock);
+	setup_timer(&ipvs->est_timer, estimation_timer, (unsigned long)net);
+	mod_timer(&ipvs->est_timer, jiffies + 2 * HZ);
 	return 0;
 }
 
+static void __net_exit __ip_vs_estimator_exit(struct net *net)
+{
+	del_timer_sync(&net_ipvs(net)->est_timer);
+}
+static struct pernet_operations ip_vs_app_ops = {
+	.init = __ip_vs_estimator_init,
+	.exit = __ip_vs_estimator_exit,
+};
+
+int __init ip_vs_estimator_init(void)
+{
+	int rv;
+
+	rv = register_pernet_subsys(&ip_vs_app_ops);
+	return rv;
+}
+
 void ip_vs_estimator_cleanup(void)
 {
-	del_timer_sync(&est_timer);
+	unregister_pernet_subsys(&ip_vs_app_ops);
 }
diff --git a/net/netfilter/ipvs/ip_vs_ftp.c b/net/netfilter/ipvs/ip_vs_ftp.c
index 75455000ad1c..6b5dd6ddaae9 100644
--- a/net/netfilter/ipvs/ip_vs_ftp.c
+++ b/net/netfilter/ipvs/ip_vs_ftp.c
@@ -157,6 +157,7 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	int ret = 0;
 	enum ip_conntrack_info ctinfo;
 	struct nf_conn *ct;
+	struct net *net;
 
 #ifdef CONFIG_IP_VS_IPV6
 	/* This application helper doesn't work with IPv6 yet,
@@ -197,18 +198,20 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 		 */
 		{
 			struct ip_vs_conn_param p;
-			ip_vs_conn_fill_param(AF_INET, iph->protocol,
-					      &from, port, &cp->caddr, 0, &p);
+			ip_vs_conn_fill_param(ip_vs_conn_net(cp), AF_INET,
+					      iph->protocol, &from, port,
+					      &cp->caddr, 0, &p);
 			n_cp = ip_vs_conn_out_get(&p);
 		}
 		if (!n_cp) {
 			struct ip_vs_conn_param p;
-			ip_vs_conn_fill_param(AF_INET, IPPROTO_TCP, &cp->caddr,
+			ip_vs_conn_fill_param(ip_vs_conn_net(cp),
+					      AF_INET, IPPROTO_TCP, &cp->caddr,
 					      0, &cp->vaddr, port, &p);
 			n_cp = ip_vs_conn_new(&p, &from, port,
 					      IP_VS_CONN_F_NO_CPORT |
 					      IP_VS_CONN_F_NFCT,
-					      cp->dest);
+					      cp->dest, skb->mark);
 			if (!n_cp)
 				return 0;
 
@@ -257,8 +260,9 @@ static int ip_vs_ftp_out(struct ip_vs_app *app, struct ip_vs_conn *cp,
 		 * would be adjusted twice.
 		 */
 
+		net = skb_net(skb);
 		cp->app_data = NULL;
-		ip_vs_tcp_conn_listen(n_cp);
+		ip_vs_tcp_conn_listen(net, n_cp);
 		ip_vs_conn_put(n_cp);
 		return ret;
 	}
@@ -287,6 +291,7 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	union nf_inet_addr to;
 	__be16 port;
 	struct ip_vs_conn *n_cp;
+	struct net *net;
 
 #ifdef CONFIG_IP_VS_IPV6
 	/* This application helper doesn't work with IPv6 yet,
@@ -358,14 +363,15 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 
 	{
 		struct ip_vs_conn_param p;
-		ip_vs_conn_fill_param(AF_INET, iph->protocol, &to, port,
-				      &cp->vaddr, htons(ntohs(cp->vport)-1),
-				      &p);
+		ip_vs_conn_fill_param(ip_vs_conn_net(cp), AF_INET,
+				      iph->protocol, &to, port, &cp->vaddr,
+				      htons(ntohs(cp->vport)-1), &p);
 		n_cp = ip_vs_conn_in_get(&p);
 		if (!n_cp) {
 			n_cp = ip_vs_conn_new(&p, &cp->daddr,
 					      htons(ntohs(cp->dport)-1),
-					      IP_VS_CONN_F_NFCT, cp->dest);
+					      IP_VS_CONN_F_NFCT, cp->dest,
+					      skb->mark);
 			if (!n_cp)
 				return 0;
 
@@ -377,7 +383,8 @@ static int ip_vs_ftp_in(struct ip_vs_app *app, struct ip_vs_conn *cp,
 	/*
 	 *	Move tunnel to listen state
 	 */
-	ip_vs_tcp_conn_listen(n_cp);
+	net = skb_net(skb);
+	ip_vs_tcp_conn_listen(net, n_cp);
 	ip_vs_conn_put(n_cp);
 
 	return 1;
@@ -398,23 +405,22 @@ static struct ip_vs_app ip_vs_ftp = {
 	.pkt_in =	ip_vs_ftp_in,
 };
 
-
 /*
- *	ip_vs_ftp initialization
+ *	per netns ip_vs_ftp initialization
  */
-static int __init ip_vs_ftp_init(void)
+static int __net_init __ip_vs_ftp_init(struct net *net)
 {
 	int i, ret;
 	struct ip_vs_app *app = &ip_vs_ftp;
 
-	ret = register_ip_vs_app(app);
+	ret = register_ip_vs_app(net, app);
 	if (ret)
 		return ret;
 
 	for (i=0; i<IP_VS_APP_MAX_PORTS; i++) {
 		if (!ports[i])
 			continue;
-		ret = register_ip_vs_app_inc(app, app->protocol, ports[i]);
+		ret = register_ip_vs_app_inc(net, app, app->protocol, ports[i]);
 		if (ret)
 			break;
 		pr_info("%s: loaded support on port[%d] = %d\n",
@@ -422,18 +428,39 @@ static int __init ip_vs_ftp_init(void)
 	}
 
 	if (ret)
-		unregister_ip_vs_app(app);
+		unregister_ip_vs_app(net, app);
 
 	return ret;
 }
+/*
+ *	netns exit
+ */
+static void __ip_vs_ftp_exit(struct net *net)
+{
+	struct ip_vs_app *app = &ip_vs_ftp;
+
+	unregister_ip_vs_app(net, app);
+}
+
+static struct pernet_operations ip_vs_ftp_ops = {
+	.init = __ip_vs_ftp_init,
+	.exit = __ip_vs_ftp_exit,
+};
 
+int __init ip_vs_ftp_init(void)
+{
+	int rv;
+
+	rv = register_pernet_subsys(&ip_vs_ftp_ops);
+	return rv;
+}
 
 /*
  *	ip_vs_ftp finish.
  */
 static void __exit ip_vs_ftp_exit(void)
 {
-	unregister_ip_vs_app(&ip_vs_ftp);
+	unregister_pernet_subsys(&ip_vs_ftp_ops);
 }
 
 
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 9323f8944199..d5bec3371871 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -70,7 +70,6 @@
  *    entries that haven't been touched for a day.
  */
 #define COUNT_FOR_FULL_EXPIRATION   30
-static int sysctl_ip_vs_lblc_expiration = 24*60*60*HZ;
 
 
 /*
@@ -117,7 +116,7 @@ struct ip_vs_lblc_table {
 static ctl_table vs_vars_table[] = {
 	{
 		.procname	= "lblc_expiration",
-		.data		= &sysctl_ip_vs_lblc_expiration,
+		.data		= NULL,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_jiffies,
@@ -125,8 +124,6 @@ static ctl_table vs_vars_table[] = {
 	{ }
 };
 
-static struct ctl_table_header * sysctl_header;
-
 static inline void ip_vs_lblc_free(struct ip_vs_lblc_entry *en)
 {
 	list_del(&en->list);
@@ -248,6 +245,7 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc)
 	struct ip_vs_lblc_entry *en, *nxt;
 	unsigned long now = jiffies;
 	int i, j;
+	struct netns_ipvs *ipvs = net_ipvs(svc->net);
 
 	for (i=0, j=tbl->rover; i<IP_VS_LBLC_TAB_SIZE; i++) {
 		j = (j + 1) & IP_VS_LBLC_TAB_MASK;
@@ -255,7 +253,8 @@ static inline void ip_vs_lblc_full_check(struct ip_vs_service *svc)
 		write_lock(&svc->sched_lock);
 		list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) {
 			if (time_before(now,
-					en->lastuse + sysctl_ip_vs_lblc_expiration))
+					en->lastuse +
+					ipvs->sysctl_lblc_expiration))
 				continue;
 
 			ip_vs_lblc_free(en);
@@ -543,23 +542,73 @@ static struct ip_vs_scheduler ip_vs_lblc_scheduler =
 	.schedule =		ip_vs_lblc_schedule,
 };
 
+/*
+ *  per netns init.
+ */
+static int __net_init __ip_vs_lblc_init(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	if (!net_eq(net, &init_net)) {
+		ipvs->lblc_ctl_table = kmemdup(vs_vars_table,
+						sizeof(vs_vars_table),
+						GFP_KERNEL);
+		if (ipvs->lblc_ctl_table == NULL)
+			goto err_dup;
+	} else
+		ipvs->lblc_ctl_table = vs_vars_table;
+	ipvs->sysctl_lblc_expiration = 24*60*60*HZ;
+	ipvs->lblc_ctl_table[0].data = &ipvs->sysctl_lblc_expiration;
+
+	ipvs->lblc_ctl_header =
+		register_net_sysctl_table(net, net_vs_ctl_path,
+					  ipvs->lblc_ctl_table);
+	if (!ipvs->lblc_ctl_header)
+		goto err_reg;
+
+	return 0;
+
+err_reg:
+	if (!net_eq(net, &init_net))
+		kfree(ipvs->lblc_ctl_table);
+
+err_dup:
+	return -ENOMEM;
+}
+
+static void __net_exit __ip_vs_lblc_exit(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	unregister_net_sysctl_table(ipvs->lblc_ctl_header);
+
+	if (!net_eq(net, &init_net))
+		kfree(ipvs->lblc_ctl_table);
+}
+
+static struct pernet_operations ip_vs_lblc_ops = {
+	.init = __ip_vs_lblc_init,
+	.exit = __ip_vs_lblc_exit,
+};
 
 static int __init ip_vs_lblc_init(void)
 {
 	int ret;
 
-	sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars_table);
+	ret = register_pernet_subsys(&ip_vs_lblc_ops);
+	if (ret)
+		return ret;
+
 	ret = register_ip_vs_scheduler(&ip_vs_lblc_scheduler);
 	if (ret)
-		unregister_sysctl_table(sysctl_header);
+		unregister_pernet_subsys(&ip_vs_lblc_ops);
 	return ret;
 }
 
-
 static void __exit ip_vs_lblc_cleanup(void)
 {
-	unregister_sysctl_table(sysctl_header);
 	unregister_ip_vs_scheduler(&ip_vs_lblc_scheduler);
+	unregister_pernet_subsys(&ip_vs_lblc_ops);
 }
 
 
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index dbeed8ea421a..61ae8cfcf0b4 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -70,8 +70,6 @@
  *    entries that haven't been touched for a day.
  */
 #define COUNT_FOR_FULL_EXPIRATION   30
-static int sysctl_ip_vs_lblcr_expiration = 24*60*60*HZ;
-
 
 /*
  *     for IPVS lblcr entry hash table
@@ -296,7 +294,7 @@ struct ip_vs_lblcr_table {
 static ctl_table vs_vars_table[] = {
 	{
 		.procname	= "lblcr_expiration",
-		.data		= &sysctl_ip_vs_lblcr_expiration,
+		.data		= NULL,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec_jiffies,
@@ -304,8 +302,6 @@ static ctl_table vs_vars_table[] = {
 	{ }
 };
 
-static struct ctl_table_header * sysctl_header;
-
 static inline void ip_vs_lblcr_free(struct ip_vs_lblcr_entry *en)
 {
 	list_del(&en->list);
@@ -425,14 +421,15 @@ static inline void ip_vs_lblcr_full_check(struct ip_vs_service *svc)
 	unsigned long now = jiffies;
 	int i, j;
 	struct ip_vs_lblcr_entry *en, *nxt;
+	struct netns_ipvs *ipvs = net_ipvs(svc->net);
 
 	for (i=0, j=tbl->rover; i<IP_VS_LBLCR_TAB_SIZE; i++) {
 		j = (j + 1) & IP_VS_LBLCR_TAB_MASK;
 
 		write_lock(&svc->sched_lock);
 		list_for_each_entry_safe(en, nxt, &tbl->bucket[j], list) {
-			if (time_after(en->lastuse+sysctl_ip_vs_lblcr_expiration,
-				       now))
+			if (time_after(en->lastuse
+					+ ipvs->sysctl_lblcr_expiration, now))
 				continue;
 
 			ip_vs_lblcr_free(en);
@@ -664,6 +661,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	read_lock(&svc->sched_lock);
 	en = ip_vs_lblcr_get(svc->af, tbl, &iph.daddr);
 	if (en) {
+		struct netns_ipvs *ipvs = net_ipvs(svc->net);
 		/* We only hold a read lock, but this is atomic */
 		en->lastuse = jiffies;
 
@@ -675,7 +673,7 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 		/* More than one destination + enough time passed by, cleanup */
 		if (atomic_read(&en->set.size) > 1 &&
 				time_after(jiffies, en->set.lastmod +
-				sysctl_ip_vs_lblcr_expiration)) {
+				ipvs->sysctl_lblcr_expiration)) {
 			struct ip_vs_dest *m;
 
 			write_lock(&en->set.lock);
@@ -744,23 +742,73 @@ static struct ip_vs_scheduler ip_vs_lblcr_scheduler =
 	.schedule =		ip_vs_lblcr_schedule,
 };
 
+/*
+ *  per netns init.
+ */
+static int __net_init __ip_vs_lblcr_init(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	if (!net_eq(net, &init_net)) {
+		ipvs->lblcr_ctl_table = kmemdup(vs_vars_table,
+						sizeof(vs_vars_table),
+						GFP_KERNEL);
+		if (ipvs->lblcr_ctl_table == NULL)
+			goto err_dup;
+	} else
+		ipvs->lblcr_ctl_table = vs_vars_table;
+	ipvs->sysctl_lblcr_expiration = 24*60*60*HZ;
+	ipvs->lblcr_ctl_table[0].data = &ipvs->sysctl_lblcr_expiration;
+
+	ipvs->lblcr_ctl_header =
+		register_net_sysctl_table(net, net_vs_ctl_path,
+					  ipvs->lblcr_ctl_table);
+	if (!ipvs->lblcr_ctl_header)
+		goto err_reg;
+
+	return 0;
+
+err_reg:
+	if (!net_eq(net, &init_net))
+		kfree(ipvs->lblcr_ctl_table);
+
+err_dup:
+	return -ENOMEM;
+}
+
+static void __net_exit __ip_vs_lblcr_exit(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	unregister_net_sysctl_table(ipvs->lblcr_ctl_header);
+
+	if (!net_eq(net, &init_net))
+		kfree(ipvs->lblcr_ctl_table);
+}
+
+static struct pernet_operations ip_vs_lblcr_ops = {
+	.init = __ip_vs_lblcr_init,
+	.exit = __ip_vs_lblcr_exit,
+};
 
 static int __init ip_vs_lblcr_init(void)
 {
 	int ret;
 
-	sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars_table);
+	ret = register_pernet_subsys(&ip_vs_lblcr_ops);
+	if (ret)
+		return ret;
+
 	ret = register_ip_vs_scheduler(&ip_vs_lblcr_scheduler);
 	if (ret)
-		unregister_sysctl_table(sysctl_header);
+		unregister_pernet_subsys(&ip_vs_lblcr_ops);
 	return ret;
 }
 
-
 static void __exit ip_vs_lblcr_cleanup(void)
 {
-	unregister_sysctl_table(sysctl_header);
 	unregister_ip_vs_scheduler(&ip_vs_lblcr_scheduler);
+	unregister_pernet_subsys(&ip_vs_lblcr_ops);
 }
 
 
diff --git a/net/netfilter/ipvs/ip_vs_nfct.c b/net/netfilter/ipvs/ip_vs_nfct.c
index 4680647cd450..f454c80df0a7 100644
--- a/net/netfilter/ipvs/ip_vs_nfct.c
+++ b/net/netfilter/ipvs/ip_vs_nfct.c
@@ -141,6 +141,7 @@ static void ip_vs_nfct_expect_callback(struct nf_conn *ct,
 	struct nf_conntrack_tuple *orig, new_reply;
 	struct ip_vs_conn *cp;
 	struct ip_vs_conn_param p;
+	struct net *net = nf_ct_net(ct);
 
 	if (exp->tuple.src.l3num != PF_INET)
 		return;
@@ -155,7 +156,7 @@ static void ip_vs_nfct_expect_callback(struct nf_conn *ct,
 
 	/* RS->CLIENT */
 	orig = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
-	ip_vs_conn_fill_param(exp->tuple.src.l3num, orig->dst.protonum,
+	ip_vs_conn_fill_param(net, exp->tuple.src.l3num, orig->dst.protonum,
 			      &orig->src.u3, orig->src.u.tcp.port,
 			      &orig->dst.u3, orig->dst.u.tcp.port, &p);
 	cp = ip_vs_conn_out_get(&p);
@@ -268,7 +269,8 @@ void ip_vs_conn_drop_conntrack(struct ip_vs_conn *cp)
 		" for conn " FMT_CONN "\n",
 		__func__, ARG_TUPLE(&tuple), ARG_CONN(cp));
 
-	h = nf_conntrack_find_get(&init_net, NF_CT_DEFAULT_ZONE, &tuple);
+	h = nf_conntrack_find_get(ip_vs_conn_net(cp), NF_CT_DEFAULT_ZONE,
+				  &tuple);
 	if (h) {
 		ct = nf_ct_tuplehash_to_ctrack(h);
 		/* Show what happens instead of calling nf_ct_kill() */
diff --git a/net/netfilter/ipvs/ip_vs_pe.c b/net/netfilter/ipvs/ip_vs_pe.c
index 3414af70ee12..5cf859ccb31b 100644
--- a/net/netfilter/ipvs/ip_vs_pe.c
+++ b/net/netfilter/ipvs/ip_vs_pe.c
@@ -29,12 +29,11 @@ void ip_vs_unbind_pe(struct ip_vs_service *svc)
 }
 
 /* Get pe in the pe list by name */
-static struct ip_vs_pe *
-ip_vs_pe_getbyname(const char *pe_name)
+struct ip_vs_pe *__ip_vs_pe_getbyname(const char *pe_name)
 {
 	struct ip_vs_pe *pe;
 
-	IP_VS_DBG(2, "%s(): pe_name \"%s\"\n", __func__,
+	IP_VS_DBG(10, "%s(): pe_name \"%s\"\n", __func__,
 		  pe_name);
 
 	spin_lock_bh(&ip_vs_pe_lock);
@@ -60,28 +59,22 @@ ip_vs_pe_getbyname(const char *pe_name)
 }
 
 /* Lookup pe and try to load it if it doesn't exist */
-struct ip_vs_pe *ip_vs_pe_get(const char *name)
+struct ip_vs_pe *ip_vs_pe_getbyname(const char *name)
 {
 	struct ip_vs_pe *pe;
 
 	/* Search for the pe by name */
-	pe = ip_vs_pe_getbyname(name);
+	pe = __ip_vs_pe_getbyname(name);
 
 	/* If pe not found, load the module and search again */
 	if (!pe) {
 		request_module("ip_vs_pe_%s", name);
-		pe = ip_vs_pe_getbyname(name);
+		pe = __ip_vs_pe_getbyname(name);
 	}
 
 	return pe;
 }
 
-void ip_vs_pe_put(struct ip_vs_pe *pe)
-{
-	if (pe && pe->module)
-		module_put(pe->module);
-}
-
 /* Register a pe in the pe list */
 int register_ip_vs_pe(struct ip_vs_pe *pe)
 {
diff --git a/net/netfilter/ipvs/ip_vs_pe_sip.c b/net/netfilter/ipvs/ip_vs_pe_sip.c
index b8b4e9620f3e..0d83bc01fed4 100644
--- a/net/netfilter/ipvs/ip_vs_pe_sip.c
+++ b/net/netfilter/ipvs/ip_vs_pe_sip.c
@@ -71,6 +71,7 @@ ip_vs_sip_fill_param(struct ip_vs_conn_param *p, struct sk_buff *skb)
 	struct ip_vs_iphdr iph;
 	unsigned int dataoff, datalen, matchoff, matchlen;
 	const char *dptr;
+	int retc;
 
 	ip_vs_fill_iphdr(p->af, skb_network_header(skb), &iph);
 
@@ -83,6 +84,8 @@ ip_vs_sip_fill_param(struct ip_vs_conn_param *p, struct sk_buff *skb)
 	if (dataoff >= skb->len)
 		return -EINVAL;
 
+	if ((retc=skb_linearize(skb)) < 0)
+		return retc;
 	dptr = skb->data + dataoff;
 	datalen = skb->len - dataoff;
 
diff --git a/net/netfilter/ipvs/ip_vs_proto.c b/net/netfilter/ipvs/ip_vs_proto.c
index c53998390877..6ac986cdcff3 100644
--- a/net/netfilter/ipvs/ip_vs_proto.c
+++ b/net/netfilter/ipvs/ip_vs_proto.c
@@ -60,6 +60,31 @@ static int __used __init register_ip_vs_protocol(struct ip_vs_protocol *pp)
 	return 0;
 }
 
+/*
+ *	register an ipvs protocols netns related data
+ */
+static int
+register_ip_vs_proto_netns(struct net *net, struct ip_vs_protocol *pp)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	unsigned hash = IP_VS_PROTO_HASH(pp->protocol);
+	struct ip_vs_proto_data *pd =
+			kzalloc(sizeof(struct ip_vs_proto_data), GFP_ATOMIC);
+
+	if (!pd) {
+		pr_err("%s(): no memory.\n", __func__);
+		return -ENOMEM;
+	}
+	pd->pp = pp;	/* For speed issues */
+	pd->next = ipvs->proto_data_table[hash];
+	ipvs->proto_data_table[hash] = pd;
+	atomic_set(&pd->appcnt, 0);	/* Init app counter */
+
+	if (pp->init_netns != NULL)
+		pp->init_netns(net, pd);
+
+	return 0;
+}
 
 /*
  *	unregister an ipvs protocol
@@ -82,6 +107,29 @@ static int unregister_ip_vs_protocol(struct ip_vs_protocol *pp)
 	return -ESRCH;
 }
 
+/*
+ *	unregister an ipvs protocols netns data
+ */
+static int
+unregister_ip_vs_proto_netns(struct net *net, struct ip_vs_proto_data *pd)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_proto_data **pd_p;
+	unsigned hash = IP_VS_PROTO_HASH(pd->pp->protocol);
+
+	pd_p = &ipvs->proto_data_table[hash];
+	for (; *pd_p; pd_p = &(*pd_p)->next) {
+		if (*pd_p == pd) {
+			*pd_p = pd->next;
+			if (pd->pp->exit_netns != NULL)
+				pd->pp->exit_netns(net, pd);
+			kfree(pd);
+			return 0;
+		}
+	}
+
+	return -ESRCH;
+}
 
 /*
  *	get ip_vs_protocol object by its proto.
@@ -100,19 +148,44 @@ struct ip_vs_protocol * ip_vs_proto_get(unsigned short proto)
 }
 EXPORT_SYMBOL(ip_vs_proto_get);
 
+/*
+ *	get ip_vs_protocol object data by netns and proto
+ */
+struct ip_vs_proto_data *
+__ipvs_proto_data_get(struct netns_ipvs *ipvs, unsigned short proto)
+{
+	struct ip_vs_proto_data *pd;
+	unsigned hash = IP_VS_PROTO_HASH(proto);
+
+	for (pd = ipvs->proto_data_table[hash]; pd; pd = pd->next) {
+		if (pd->pp->protocol == proto)
+			return pd;
+	}
+
+	return NULL;
+}
+
+struct ip_vs_proto_data *
+ip_vs_proto_data_get(struct net *net, unsigned short proto)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	return __ipvs_proto_data_get(ipvs, proto);
+}
+EXPORT_SYMBOL(ip_vs_proto_data_get);
 
 /*
  *	Propagate event for state change to all protocols
  */
-void ip_vs_protocol_timeout_change(int flags)
+void ip_vs_protocol_timeout_change(struct netns_ipvs *ipvs, int flags)
 {
-	struct ip_vs_protocol *pp;
+	struct ip_vs_proto_data *pd;
 	int i;
 
 	for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
-		for (pp = ip_vs_proto_table[i]; pp; pp = pp->next) {
-			if (pp->timeout_change)
-				pp->timeout_change(pp, flags);
+		for (pd = ipvs->proto_data_table[i]; pd; pd = pd->next) {
+			if (pd->pp->timeout_change)
+				pd->pp->timeout_change(pd, flags);
 		}
 	}
 }
@@ -236,6 +309,46 @@ ip_vs_tcpudp_debug_packet(int af, struct ip_vs_protocol *pp,
 		ip_vs_tcpudp_debug_packet_v4(pp, skb, offset, msg);
 }
 
+/*
+ * per network name-space init
+ */
+static int __net_init __ip_vs_protocol_init(struct net *net)
+{
+#ifdef CONFIG_IP_VS_PROTO_TCP
+	register_ip_vs_proto_netns(net, &ip_vs_protocol_tcp);
+#endif
+#ifdef CONFIG_IP_VS_PROTO_UDP
+	register_ip_vs_proto_netns(net, &ip_vs_protocol_udp);
+#endif
+#ifdef CONFIG_IP_VS_PROTO_SCTP
+	register_ip_vs_proto_netns(net, &ip_vs_protocol_sctp);
+#endif
+#ifdef CONFIG_IP_VS_PROTO_AH
+	register_ip_vs_proto_netns(net, &ip_vs_protocol_ah);
+#endif
+#ifdef CONFIG_IP_VS_PROTO_ESP
+	register_ip_vs_proto_netns(net, &ip_vs_protocol_esp);
+#endif
+	return 0;
+}
+
+static void __net_exit __ip_vs_protocol_cleanup(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_proto_data *pd;
+	int i;
+
+	/* unregister all the ipvs proto data for this netns */
+	for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
+		while ((pd = ipvs->proto_data_table[i]) != NULL)
+			unregister_ip_vs_proto_netns(net, pd);
+	}
+}
+
+static struct pernet_operations ipvs_proto_ops = {
+	.init = __ip_vs_protocol_init,
+	.exit = __ip_vs_protocol_cleanup,
+};
 
 int __init ip_vs_protocol_init(void)
 {
@@ -265,6 +378,7 @@ int __init ip_vs_protocol_init(void)
 	REGISTER_PROTOCOL(&ip_vs_protocol_esp);
 #endif
 	pr_info("Registered protocols (%s)\n", &protocols[2]);
+	return register_pernet_subsys(&ipvs_proto_ops);
 
 	return 0;
 }
@@ -275,6 +389,7 @@ void ip_vs_protocol_cleanup(void)
 	struct ip_vs_protocol *pp;
 	int i;
 
+	unregister_pernet_subsys(&ipvs_proto_ops);
 	/* unregister all the ipvs protocols */
 	for (i = 0; i < IP_VS_PROTO_TAB_SIZE; i++) {
 		while ((pp = ip_vs_proto_table[i]) != NULL)
diff --git a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
index 3a0461117d3f..5b8eb8b12c3e 100644
--- a/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_ah_esp.c
@@ -41,28 +41,30 @@ struct isakmp_hdr {
 #define PORT_ISAKMP	500
 
 static void
-ah_esp_conn_fill_param_proto(int af, const struct ip_vs_iphdr *iph,
-			     int inverse, struct ip_vs_conn_param *p)
+ah_esp_conn_fill_param_proto(struct net *net, int af,
+			     const struct ip_vs_iphdr *iph, int inverse,
+			     struct ip_vs_conn_param *p)
 {
 	if (likely(!inverse))
-		ip_vs_conn_fill_param(af, IPPROTO_UDP,
+		ip_vs_conn_fill_param(net, af, IPPROTO_UDP,
 				      &iph->saddr, htons(PORT_ISAKMP),
 				      &iph->daddr, htons(PORT_ISAKMP), p);
 	else
-		ip_vs_conn_fill_param(af, IPPROTO_UDP,
+		ip_vs_conn_fill_param(net, af, IPPROTO_UDP,
 				      &iph->daddr, htons(PORT_ISAKMP),
 				      &iph->saddr, htons(PORT_ISAKMP), p);
 }
 
 static struct ip_vs_conn *
-ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
+ah_esp_conn_in_get(int af, const struct sk_buff *skb,
 		   const struct ip_vs_iphdr *iph, unsigned int proto_off,
 		   int inverse)
 {
 	struct ip_vs_conn *cp;
 	struct ip_vs_conn_param p;
+	struct net *net = skb_net(skb);
 
-	ah_esp_conn_fill_param_proto(af, iph, inverse, &p);
+	ah_esp_conn_fill_param_proto(net, af, iph, inverse, &p);
 	cp = ip_vs_conn_in_get(&p);
 	if (!cp) {
 		/*
@@ -72,7 +74,7 @@ ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
 		IP_VS_DBG_BUF(12, "Unknown ISAKMP entry for outin packet "
 			      "%s%s %s->%s\n",
 			      inverse ? "ICMP+" : "",
-			      pp->name,
+			      ip_vs_proto_get(iph->protocol)->name,
 			      IP_VS_DBG_ADDR(af, &iph->saddr),
 			      IP_VS_DBG_ADDR(af, &iph->daddr));
 	}
@@ -83,21 +85,21 @@ ah_esp_conn_in_get(int af, const struct sk_buff *skb, struct ip_vs_protocol *pp,
 
 static struct ip_vs_conn *
 ah_esp_conn_out_get(int af, const struct sk_buff *skb,
-		    struct ip_vs_protocol *pp,
 		    const struct ip_vs_iphdr *iph,
 		    unsigned int proto_off,
 		    int inverse)
 {
 	struct ip_vs_conn *cp;
 	struct ip_vs_conn_param p;
+	struct net *net = skb_net(skb);
 
-	ah_esp_conn_fill_param_proto(af, iph, inverse, &p);
+	ah_esp_conn_fill_param_proto(net, af, iph, inverse, &p);
 	cp = ip_vs_conn_out_get(&p);
 	if (!cp) {
 		IP_VS_DBG_BUF(12, "Unknown ISAKMP entry for inout packet "
 			      "%s%s %s->%s\n",
 			      inverse ? "ICMP+" : "",
-			      pp->name,
+			      ip_vs_proto_get(iph->protocol)->name,
 			      IP_VS_DBG_ADDR(af, &iph->saddr),
 			      IP_VS_DBG_ADDR(af, &iph->daddr));
 	}
@@ -107,7 +109,7 @@ ah_esp_conn_out_get(int af, const struct sk_buff *skb,
 
 
 static int
-ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		     int *verdict, struct ip_vs_conn **cpp)
 {
 	/*
@@ -117,26 +119,14 @@ ah_esp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 	return 0;
 }
 
-static void ah_esp_init(struct ip_vs_protocol *pp)
-{
-	/* nothing to do now */
-}
-
-
-static void ah_esp_exit(struct ip_vs_protocol *pp)
-{
-	/* nothing to do now */
-}
-
-
 #ifdef CONFIG_IP_VS_PROTO_AH
 struct ip_vs_protocol ip_vs_protocol_ah = {
 	.name =			"AH",
 	.protocol =		IPPROTO_AH,
 	.num_states =		1,
 	.dont_defrag =		1,
-	.init =			ah_esp_init,
-	.exit =			ah_esp_exit,
+	.init =			NULL,
+	.exit =			NULL,
 	.conn_schedule =	ah_esp_conn_schedule,
 	.conn_in_get =		ah_esp_conn_in_get,
 	.conn_out_get =		ah_esp_conn_out_get,
@@ -149,7 +139,6 @@ struct ip_vs_protocol ip_vs_protocol_ah = {
 	.app_conn_bind =	NULL,
 	.debug_packet =		ip_vs_tcpudp_debug_packet,
 	.timeout_change =	NULL,		/* ISAKMP */
-	.set_state_timeout =	NULL,
 };
 #endif
 
@@ -159,8 +148,8 @@ struct ip_vs_protocol ip_vs_protocol_esp = {
 	.protocol =		IPPROTO_ESP,
 	.num_states =		1,
 	.dont_defrag =		1,
-	.init =			ah_esp_init,
-	.exit =			ah_esp_exit,
+	.init =			NULL,
+	.exit =			NULL,
 	.conn_schedule =	ah_esp_conn_schedule,
 	.conn_in_get =		ah_esp_conn_in_get,
 	.conn_out_get =		ah_esp_conn_out_get,
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 1ea96bcd342b..fb2d04ac5d4e 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -9,9 +9,10 @@
 #include <net/ip_vs.h>
 
 static int
-sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		   int *verdict, struct ip_vs_conn **cpp)
 {
+	struct net *net;
 	struct ip_vs_service *svc;
 	sctp_chunkhdr_t _schunkh, *sch;
 	sctp_sctphdr_t *sh, _sctph;
@@ -27,13 +28,13 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 				 sizeof(_schunkh), &_schunkh);
 	if (sch == NULL)
 		return 0;
-
+	net = skb_net(skb);
 	if ((sch->type == SCTP_CID_INIT) &&
-	    (svc = ip_vs_service_get(af, skb->mark, iph.protocol,
+	    (svc = ip_vs_service_get(net, af, skb->mark, iph.protocol,
 				     &iph.daddr, sh->dest))) {
 		int ignored;
 
-		if (ip_vs_todrop()) {
+		if (ip_vs_todrop(net_ipvs(net))) {
 			/*
 			 * It seems that we are very loaded.
 			 * We have to drop this packet :(
@@ -46,14 +47,19 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 		 * Let the virtual server select a real server for the
 		 * incoming connection, and create a connection entry.
 		 */
-		*cpp = ip_vs_schedule(svc, skb, pp, &ignored);
-		if (!*cpp && !ignored) {
-			*verdict = ip_vs_leave(svc, skb, pp);
+		*cpp = ip_vs_schedule(svc, skb, pd, &ignored);
+		if (!*cpp && ignored <= 0) {
+			if (!ignored)
+				*verdict = ip_vs_leave(svc, skb, pd);
+			else {
+				ip_vs_service_put(svc);
+				*verdict = NF_DROP;
+			}
 			return 0;
 		}
 		ip_vs_service_put(svc);
 	}
-
+	/* NF_ACCEPT */
 	return 1;
 }
 
@@ -856,7 +862,7 @@ static struct ipvs_sctp_nextstate
 /*
  *      Timeout table[state]
  */
-static int sctp_timeouts[IP_VS_SCTP_S_LAST + 1] = {
+static const int sctp_timeouts[IP_VS_SCTP_S_LAST + 1] = {
 	[IP_VS_SCTP_S_NONE]         =     2 * HZ,
 	[IP_VS_SCTP_S_INIT_CLI]     =     1 * 60 * HZ,
 	[IP_VS_SCTP_S_INIT_SER]     =     1 * 60 * HZ,
@@ -900,20 +906,8 @@ static const char *sctp_state_name(int state)
 	return "?";
 }
 
-static void sctp_timeout_change(struct ip_vs_protocol *pp, int flags)
-{
-}
-
-static int
-sctp_set_state_timeout(struct ip_vs_protocol *pp, char *sname, int to)
-{
-
-return ip_vs_set_state_timeout(pp->timeout_table, IP_VS_SCTP_S_LAST,
-				sctp_state_name_table, sname, to);
-}
-
 static inline int
-set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
+set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
 		int direction, const struct sk_buff *skb)
 {
 	sctp_chunkhdr_t _sctpch, *sch;
@@ -971,7 +965,7 @@ set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
 
 		IP_VS_DBG_BUF(8, "%s %s  %s:%d->"
 				"%s:%d state: %s->%s conn->refcnt:%d\n",
-				pp->name,
+				pd->pp->name,
 				((direction == IP_VS_DIR_OUTPUT) ?
 				 "output " : "input "),
 				IP_VS_DBG_ADDR(cp->af, &cp->daddr),
@@ -995,75 +989,73 @@ set_sctp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
 			}
 		}
 	}
+	if (likely(pd))
+		cp->timeout = pd->timeout_table[cp->state = next_state];
+	else	/* What to do ? */
+		cp->timeout = sctp_timeouts[cp->state = next_state];
 
-	 cp->timeout = pp->timeout_table[cp->state = next_state];
-
-	 return 1;
+	return 1;
 }
 
 static int
 sctp_state_transition(struct ip_vs_conn *cp, int direction,
-		const struct sk_buff *skb, struct ip_vs_protocol *pp)
+		const struct sk_buff *skb, struct ip_vs_proto_data *pd)
 {
 	int ret = 0;
 
 	spin_lock(&cp->lock);
-	ret = set_sctp_state(pp, cp, direction, skb);
+	ret = set_sctp_state(pd, cp, direction, skb);
 	spin_unlock(&cp->lock);
 
 	return ret;
 }
 
-/*
- *      Hash table for SCTP application incarnations
- */
-#define SCTP_APP_TAB_BITS        4
-#define SCTP_APP_TAB_SIZE        (1 << SCTP_APP_TAB_BITS)
-#define SCTP_APP_TAB_MASK        (SCTP_APP_TAB_SIZE - 1)
-
-static struct list_head sctp_apps[SCTP_APP_TAB_SIZE];
-static DEFINE_SPINLOCK(sctp_app_lock);
-
 static inline __u16 sctp_app_hashkey(__be16 port)
 {
 	return (((__force u16)port >> SCTP_APP_TAB_BITS) ^ (__force u16)port)
 		& SCTP_APP_TAB_MASK;
 }
 
-static int sctp_register_app(struct ip_vs_app *inc)
+static int sctp_register_app(struct net *net, struct ip_vs_app *inc)
 {
 	struct ip_vs_app *i;
 	__u16 hash;
 	__be16 port = inc->port;
 	int ret = 0;
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_SCTP);
 
 	hash = sctp_app_hashkey(port);
 
-	spin_lock_bh(&sctp_app_lock);
-	list_for_each_entry(i, &sctp_apps[hash], p_list) {
+	spin_lock_bh(&ipvs->sctp_app_lock);
+	list_for_each_entry(i, &ipvs->sctp_apps[hash], p_list) {
 		if (i->port == port) {
 			ret = -EEXIST;
 			goto out;
 		}
 	}
-	list_add(&inc->p_list, &sctp_apps[hash]);
-	atomic_inc(&ip_vs_protocol_sctp.appcnt);
+	list_add(&inc->p_list, &ipvs->sctp_apps[hash]);
+	atomic_inc(&pd->appcnt);
 out:
-	spin_unlock_bh(&sctp_app_lock);
+	spin_unlock_bh(&ipvs->sctp_app_lock);
 
 	return ret;
 }
 
-static void sctp_unregister_app(struct ip_vs_app *inc)
+static void sctp_unregister_app(struct net *net, struct ip_vs_app *inc)
 {
-	spin_lock_bh(&sctp_app_lock);
-	atomic_dec(&ip_vs_protocol_sctp.appcnt);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_SCTP);
+
+	spin_lock_bh(&ipvs->sctp_app_lock);
+	atomic_dec(&pd->appcnt);
 	list_del(&inc->p_list);
-	spin_unlock_bh(&sctp_app_lock);
+	spin_unlock_bh(&ipvs->sctp_app_lock);
 }
 
 static int sctp_app_conn_bind(struct ip_vs_conn *cp)
 {
+	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(cp));
 	int hash;
 	struct ip_vs_app *inc;
 	int result = 0;
@@ -1074,12 +1066,12 @@ static int sctp_app_conn_bind(struct ip_vs_conn *cp)
 	/* Lookup application incarnations and bind the right one */
 	hash = sctp_app_hashkey(cp->vport);
 
-	spin_lock(&sctp_app_lock);
-	list_for_each_entry(inc, &sctp_apps[hash], p_list) {
+	spin_lock(&ipvs->sctp_app_lock);
+	list_for_each_entry(inc, &ipvs->sctp_apps[hash], p_list) {
 		if (inc->port == cp->vport) {
 			if (unlikely(!ip_vs_app_inc_get(inc)))
 				break;
-			spin_unlock(&sctp_app_lock);
+			spin_unlock(&ipvs->sctp_app_lock);
 
 			IP_VS_DBG_BUF(9, "%s: Binding conn %s:%u->"
 					"%s:%u to app %s on port %u\n",
@@ -1095,43 +1087,50 @@ static int sctp_app_conn_bind(struct ip_vs_conn *cp)
 			goto out;
 		}
 	}
-	spin_unlock(&sctp_app_lock);
+	spin_unlock(&ipvs->sctp_app_lock);
 out:
 	return result;
 }
 
-static void ip_vs_sctp_init(struct ip_vs_protocol *pp)
+/* ---------------------------------------------
+ *   timeouts is netns related now.
+ * ---------------------------------------------
+ */
+static void __ip_vs_sctp_init(struct net *net, struct ip_vs_proto_data *pd)
 {
-	IP_VS_INIT_HASH_TABLE(sctp_apps);
-	pp->timeout_table = sctp_timeouts;
-}
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
+	ip_vs_init_hash_table(ipvs->sctp_apps, SCTP_APP_TAB_SIZE);
+	spin_lock_init(&ipvs->tcp_app_lock);
+	pd->timeout_table = ip_vs_create_timeout_table((int *)sctp_timeouts,
+							sizeof(sctp_timeouts));
+}
 
-static void ip_vs_sctp_exit(struct ip_vs_protocol *pp)
+static void __ip_vs_sctp_exit(struct net *net, struct ip_vs_proto_data *pd)
 {
-
+	kfree(pd->timeout_table);
 }
 
 struct ip_vs_protocol ip_vs_protocol_sctp = {
-	.name = "SCTP",
-	.protocol = IPPROTO_SCTP,
-	.num_states = IP_VS_SCTP_S_LAST,
-	.dont_defrag = 0,
-	.appcnt = ATOMIC_INIT(0),
-	.init = ip_vs_sctp_init,
-	.exit = ip_vs_sctp_exit,
-	.register_app = sctp_register_app,
+	.name		= "SCTP",
+	.protocol	= IPPROTO_SCTP,
+	.num_states	= IP_VS_SCTP_S_LAST,
+	.dont_defrag	= 0,
+	.init		= NULL,
+	.exit		= NULL,
+	.init_netns	= __ip_vs_sctp_init,
+	.exit_netns	= __ip_vs_sctp_exit,
+	.register_app	= sctp_register_app,
 	.unregister_app = sctp_unregister_app,
-	.conn_schedule = sctp_conn_schedule,
-	.conn_in_get = ip_vs_conn_in_get_proto,
-	.conn_out_get = ip_vs_conn_out_get_proto,
-	.snat_handler = sctp_snat_handler,
-	.dnat_handler = sctp_dnat_handler,
-	.csum_check = sctp_csum_check,
-	.state_name = sctp_state_name,
+	.conn_schedule	= sctp_conn_schedule,
+	.conn_in_get	= ip_vs_conn_in_get_proto,
+	.conn_out_get	= ip_vs_conn_out_get_proto,
+	.snat_handler	= sctp_snat_handler,
+	.dnat_handler	= sctp_dnat_handler,
+	.csum_check	= sctp_csum_check,
+	.state_name	= sctp_state_name,
 	.state_transition = sctp_state_transition,
-	.app_conn_bind = sctp_app_conn_bind,
-	.debug_packet = ip_vs_tcpudp_debug_packet,
-	.timeout_change = sctp_timeout_change,
-	.set_state_timeout = sctp_set_state_timeout,
+	.app_conn_bind	= sctp_app_conn_bind,
+	.debug_packet	= ip_vs_tcpudp_debug_packet,
+	.timeout_change	= NULL,
 };
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index f6c5200e2146..c0cc341b840d 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -9,8 +9,12 @@
  *              as published by the Free Software Foundation; either version
  *              2 of the License, or (at your option) any later version.
  *
- * Changes:
+ * Changes:     Hans Schillstrom <hans.schillstrom@ericsson.com>
  *
+ *              Network name space (netns) aware.
+ *              Global data moved to netns i.e struct netns_ipvs
+ *              tcp_timeouts table has copy per netns in a hash table per
+ *              protocol ip_vs_proto_data and is handled by netns
  */
 
 #define KMSG_COMPONENT "IPVS"
@@ -28,9 +32,10 @@
 #include <net/ip_vs.h>
 
 static int
-tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		  int *verdict, struct ip_vs_conn **cpp)
 {
+	struct net *net;
 	struct ip_vs_service *svc;
 	struct tcphdr _tcph, *th;
 	struct ip_vs_iphdr iph;
@@ -42,14 +47,14 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 		*verdict = NF_DROP;
 		return 0;
 	}
-
+	net = skb_net(skb);
 	/* No !th->ack check to allow scheduling on SYN+ACK for Active FTP */
 	if (th->syn &&
-	    (svc = ip_vs_service_get(af, skb->mark, iph.protocol, &iph.daddr,
-				     th->dest))) {
+	    (svc = ip_vs_service_get(net, af, skb->mark, iph.protocol,
+				     &iph.daddr, th->dest))) {
 		int ignored;
 
-		if (ip_vs_todrop()) {
+		if (ip_vs_todrop(net_ipvs(net))) {
 			/*
 			 * It seems that we are very loaded.
 			 * We have to drop this packet :(
@@ -63,13 +68,19 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 		 * Let the virtual server select a real server for the
 		 * incoming connection, and create a connection entry.
 		 */
-		*cpp = ip_vs_schedule(svc, skb, pp, &ignored);
-		if (!*cpp && !ignored) {
-			*verdict = ip_vs_leave(svc, skb, pp);
+		*cpp = ip_vs_schedule(svc, skb, pd, &ignored);
+		if (!*cpp && ignored <= 0) {
+			if (!ignored)
+				*verdict = ip_vs_leave(svc, skb, pd);
+			else {
+				ip_vs_service_put(svc);
+				*verdict = NF_DROP;
+			}
 			return 0;
 		}
 		ip_vs_service_put(svc);
 	}
+	/* NF_ACCEPT */
 	return 1;
 }
 
@@ -338,7 +349,7 @@ static const int tcp_state_off[IP_VS_DIR_LAST] = {
 /*
  *	Timeout table[state]
  */
-static int tcp_timeouts[IP_VS_TCP_S_LAST+1] = {
+static const int tcp_timeouts[IP_VS_TCP_S_LAST+1] = {
 	[IP_VS_TCP_S_NONE]		=	2*HZ,
 	[IP_VS_TCP_S_ESTABLISHED]	=	15*60*HZ,
 	[IP_VS_TCP_S_SYN_SENT]		=	2*60*HZ,
@@ -437,10 +448,7 @@ static struct tcp_states_t tcp_states_dos [] = {
 /*rst*/ {{sCL, sCL, sCL, sSR, sCL, sCL, sCL, sCL, sLA, sLI, sCL }},
 };
 
-static struct tcp_states_t *tcp_state_table = tcp_states;
-
-
-static void tcp_timeout_change(struct ip_vs_protocol *pp, int flags)
+static void tcp_timeout_change(struct ip_vs_proto_data *pd, int flags)
 {
 	int on = (flags & 1);		/* secure_tcp */
 
@@ -450,14 +458,7 @@ static void tcp_timeout_change(struct ip_vs_protocol *pp, int flags)
 	** for most if not for all of the applications. Something
 	** like "capabilities" (flags) for each object.
 	*/
-	tcp_state_table = (on? tcp_states_dos : tcp_states);
-}
-
-static int
-tcp_set_state_timeout(struct ip_vs_protocol *pp, char *sname, int to)
-{
-	return ip_vs_set_state_timeout(pp->timeout_table, IP_VS_TCP_S_LAST,
-				       tcp_state_name_table, sname, to);
+	pd->tcp_state_table = (on ? tcp_states_dos : tcp_states);
 }
 
 static inline int tcp_state_idx(struct tcphdr *th)
@@ -474,7 +475,7 @@ static inline int tcp_state_idx(struct tcphdr *th)
 }
 
 static inline void
-set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
+set_tcp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
 	      int direction, struct tcphdr *th)
 {
 	int state_idx;
@@ -497,7 +498,8 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
 		goto tcp_state_out;
 	}
 
-	new_state = tcp_state_table[state_off+state_idx].next_state[cp->state];
+	new_state =
+		pd->tcp_state_table[state_off+state_idx].next_state[cp->state];
 
   tcp_state_out:
 	if (new_state != cp->state) {
@@ -505,7 +507,7 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
 
 		IP_VS_DBG_BUF(8, "%s %s [%c%c%c%c] %s:%d->"
 			      "%s:%d state: %s->%s conn->refcnt:%d\n",
-			      pp->name,
+			      pd->pp->name,
 			      ((state_off == TCP_DIR_OUTPUT) ?
 			       "output " : "input "),
 			      th->syn ? 'S' : '.',
@@ -535,17 +537,19 @@ set_tcp_state(struct ip_vs_protocol *pp, struct ip_vs_conn *cp,
 		}
 	}
 
-	cp->timeout = pp->timeout_table[cp->state = new_state];
+	if (likely(pd))
+		cp->timeout = pd->timeout_table[cp->state = new_state];
+	else	/* What to do ? */
+		cp->timeout = tcp_timeouts[cp->state = new_state];
 }
 
-
 /*
  *	Handle state transitions
  */
 static int
 tcp_state_transition(struct ip_vs_conn *cp, int direction,
 		     const struct sk_buff *skb,
-		     struct ip_vs_protocol *pp)
+		     struct ip_vs_proto_data *pd)
 {
 	struct tcphdr _tcph, *th;
 
@@ -560,23 +564,12 @@ tcp_state_transition(struct ip_vs_conn *cp, int direction,
 		return 0;
 
 	spin_lock(&cp->lock);
-	set_tcp_state(pp, cp, direction, th);
+	set_tcp_state(pd, cp, direction, th);
 	spin_unlock(&cp->lock);
 
 	return 1;
 }
 
-
-/*
- *	Hash table for TCP application incarnations
- */
-#define	TCP_APP_TAB_BITS	4
-#define	TCP_APP_TAB_SIZE	(1 << TCP_APP_TAB_BITS)
-#define	TCP_APP_TAB_MASK	(TCP_APP_TAB_SIZE - 1)
-
-static struct list_head tcp_apps[TCP_APP_TAB_SIZE];
-static DEFINE_SPINLOCK(tcp_app_lock);
-
 static inline __u16 tcp_app_hashkey(__be16 port)
 {
 	return (((__force u16)port >> TCP_APP_TAB_BITS) ^ (__force u16)port)
@@ -584,44 +577,50 @@ static inline __u16 tcp_app_hashkey(__be16 port)
 }
 
 
-static int tcp_register_app(struct ip_vs_app *inc)
+static int tcp_register_app(struct net *net, struct ip_vs_app *inc)
 {
 	struct ip_vs_app *i;
 	__u16 hash;
 	__be16 port = inc->port;
 	int ret = 0;
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
 
 	hash = tcp_app_hashkey(port);
 
-	spin_lock_bh(&tcp_app_lock);
-	list_for_each_entry(i, &tcp_apps[hash], p_list) {
+	spin_lock_bh(&ipvs->tcp_app_lock);
+	list_for_each_entry(i, &ipvs->tcp_apps[hash], p_list) {
 		if (i->port == port) {
 			ret = -EEXIST;
 			goto out;
 		}
 	}
-	list_add(&inc->p_list, &tcp_apps[hash]);
-	atomic_inc(&ip_vs_protocol_tcp.appcnt);
+	list_add(&inc->p_list, &ipvs->tcp_apps[hash]);
+	atomic_inc(&pd->appcnt);
 
   out:
-	spin_unlock_bh(&tcp_app_lock);
+	spin_unlock_bh(&ipvs->tcp_app_lock);
 	return ret;
 }
 
 
 static void
-tcp_unregister_app(struct ip_vs_app *inc)
+tcp_unregister_app(struct net *net, struct ip_vs_app *inc)
 {
-	spin_lock_bh(&tcp_app_lock);
-	atomic_dec(&ip_vs_protocol_tcp.appcnt);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+
+	spin_lock_bh(&ipvs->tcp_app_lock);
+	atomic_dec(&pd->appcnt);
 	list_del(&inc->p_list);
-	spin_unlock_bh(&tcp_app_lock);
+	spin_unlock_bh(&ipvs->tcp_app_lock);
 }
 
 
 static int
 tcp_app_conn_bind(struct ip_vs_conn *cp)
 {
+	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(cp));
 	int hash;
 	struct ip_vs_app *inc;
 	int result = 0;
@@ -633,12 +632,12 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
 	/* Lookup application incarnations and bind the right one */
 	hash = tcp_app_hashkey(cp->vport);
 
-	spin_lock(&tcp_app_lock);
-	list_for_each_entry(inc, &tcp_apps[hash], p_list) {
+	spin_lock(&ipvs->tcp_app_lock);
+	list_for_each_entry(inc, &ipvs->tcp_apps[hash], p_list) {
 		if (inc->port == cp->vport) {
 			if (unlikely(!ip_vs_app_inc_get(inc)))
 				break;
-			spin_unlock(&tcp_app_lock);
+			spin_unlock(&ipvs->tcp_app_lock);
 
 			IP_VS_DBG_BUF(9, "%s(): Binding conn %s:%u->"
 				      "%s:%u to app %s on port %u\n",
@@ -655,7 +654,7 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
 			goto out;
 		}
 	}
-	spin_unlock(&tcp_app_lock);
+	spin_unlock(&ipvs->tcp_app_lock);
 
   out:
 	return result;
@@ -665,24 +664,35 @@ tcp_app_conn_bind(struct ip_vs_conn *cp)
 /*
  *	Set LISTEN timeout. (ip_vs_conn_put will setup timer)
  */
-void ip_vs_tcp_conn_listen(struct ip_vs_conn *cp)
+void ip_vs_tcp_conn_listen(struct net *net, struct ip_vs_conn *cp)
 {
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_TCP);
+
 	spin_lock(&cp->lock);
 	cp->state = IP_VS_TCP_S_LISTEN;
-	cp->timeout = ip_vs_protocol_tcp.timeout_table[IP_VS_TCP_S_LISTEN];
+	cp->timeout = (pd ? pd->timeout_table[IP_VS_TCP_S_LISTEN]
+			   : tcp_timeouts[IP_VS_TCP_S_LISTEN]);
 	spin_unlock(&cp->lock);
 }
 
-
-static void ip_vs_tcp_init(struct ip_vs_protocol *pp)
+/* ---------------------------------------------
+ *   timeouts is netns related now.
+ * ---------------------------------------------
+ */
+static void __ip_vs_tcp_init(struct net *net, struct ip_vs_proto_data *pd)
 {
-	IP_VS_INIT_HASH_TABLE(tcp_apps);
-	pp->timeout_table = tcp_timeouts;
-}
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
+	ip_vs_init_hash_table(ipvs->tcp_apps, TCP_APP_TAB_SIZE);
+	spin_lock_init(&ipvs->tcp_app_lock);
+	pd->timeout_table = ip_vs_create_timeout_table((int *)tcp_timeouts,
+							sizeof(tcp_timeouts));
+	pd->tcp_state_table =  tcp_states;
+}
 
-static void ip_vs_tcp_exit(struct ip_vs_protocol *pp)
+static void __ip_vs_tcp_exit(struct net *net, struct ip_vs_proto_data *pd)
 {
+	kfree(pd->timeout_table);
 }
 
 
@@ -691,9 +701,10 @@ struct ip_vs_protocol ip_vs_protocol_tcp = {
 	.protocol =		IPPROTO_TCP,
 	.num_states =		IP_VS_TCP_S_LAST,
 	.dont_defrag =		0,
-	.appcnt =		ATOMIC_INIT(0),
-	.init =			ip_vs_tcp_init,
-	.exit =			ip_vs_tcp_exit,
+	.init =			NULL,
+	.exit =			NULL,
+	.init_netns =		__ip_vs_tcp_init,
+	.exit_netns =		__ip_vs_tcp_exit,
 	.register_app =		tcp_register_app,
 	.unregister_app =	tcp_unregister_app,
 	.conn_schedule =	tcp_conn_schedule,
@@ -707,5 +718,4 @@ struct ip_vs_protocol ip_vs_protocol_tcp = {
 	.app_conn_bind =	tcp_app_conn_bind,
 	.debug_packet =		ip_vs_tcpudp_debug_packet,
 	.timeout_change =	tcp_timeout_change,
-	.set_state_timeout =	tcp_set_state_timeout,
 };
diff --git a/net/netfilter/ipvs/ip_vs_proto_udp.c b/net/netfilter/ipvs/ip_vs_proto_udp.c
index 9d106a06bb0a..f1282cbe6fe3 100644
--- a/net/netfilter/ipvs/ip_vs_proto_udp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_udp.c
@@ -9,7 +9,8 @@
  *              as published by the Free Software Foundation; either version
  *              2 of the License, or (at your option) any later version.
  *
- * Changes:
+ * Changes:     Hans Schillstrom <hans.schillstrom@ericsson.com>
+ *              Network name space (netns) aware.
  *
  */
 
@@ -28,9 +29,10 @@
 #include <net/ip6_checksum.h>
 
 static int
-udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
+udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		  int *verdict, struct ip_vs_conn **cpp)
 {
+	struct net *net;
 	struct ip_vs_service *svc;
 	struct udphdr _udph, *uh;
 	struct ip_vs_iphdr iph;
@@ -42,13 +44,13 @@ udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 		*verdict = NF_DROP;
 		return 0;
 	}
-
-	svc = ip_vs_service_get(af, skb->mark, iph.protocol,
+	net = skb_net(skb);
+	svc = ip_vs_service_get(net, af, skb->mark, iph.protocol,
 				&iph.daddr, uh->dest);
 	if (svc) {
 		int ignored;
 
-		if (ip_vs_todrop()) {
+		if (ip_vs_todrop(net_ipvs(net))) {
 			/*
 			 * It seems that we are very loaded.
 			 * We have to drop this packet :(
@@ -62,13 +64,19 @@ udp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_protocol *pp,
 		 * Let the virtual server select a real server for the
 		 * incoming connection, and create a connection entry.
 		 */
-		*cpp = ip_vs_schedule(svc, skb, pp, &ignored);
-		if (!*cpp && !ignored) {
-			*verdict = ip_vs_leave(svc, skb, pp);
+		*cpp = ip_vs_schedule(svc, skb, pd, &ignored);
+		if (!*cpp && ignored <= 0) {
+			if (!ignored)
+				*verdict = ip_vs_leave(svc, skb, pd);
+			else {
+				ip_vs_service_put(svc);
+				*verdict = NF_DROP;
+			}
 			return 0;
 		}
 		ip_vs_service_put(svc);
 	}
+	/* NF_ACCEPT */
 	return 1;
 }
 
@@ -338,19 +346,6 @@ udp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
 	return 1;
 }
 
-
-/*
- *	Note: the caller guarantees that only one of register_app,
- *	unregister_app or app_conn_bind is called each time.
- */
-
-#define	UDP_APP_TAB_BITS	4
-#define	UDP_APP_TAB_SIZE	(1 << UDP_APP_TAB_BITS)
-#define	UDP_APP_TAB_MASK	(UDP_APP_TAB_SIZE - 1)
-
-static struct list_head udp_apps[UDP_APP_TAB_SIZE];
-static DEFINE_SPINLOCK(udp_app_lock);
-
 static inline __u16 udp_app_hashkey(__be16 port)
 {
 	return (((__force u16)port >> UDP_APP_TAB_BITS) ^ (__force u16)port)
@@ -358,44 +353,50 @@ static inline __u16 udp_app_hashkey(__be16 port)
 }
 
 
-static int udp_register_app(struct ip_vs_app *inc)
+static int udp_register_app(struct net *net, struct ip_vs_app *inc)
 {
 	struct ip_vs_app *i;
 	__u16 hash;
 	__be16 port = inc->port;
 	int ret = 0;
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
 
 	hash = udp_app_hashkey(port);
 
 
-	spin_lock_bh(&udp_app_lock);
-	list_for_each_entry(i, &udp_apps[hash], p_list) {
+	spin_lock_bh(&ipvs->udp_app_lock);
+	list_for_each_entry(i, &ipvs->udp_apps[hash], p_list) {
 		if (i->port == port) {
 			ret = -EEXIST;
 			goto out;
 		}
 	}
-	list_add(&inc->p_list, &udp_apps[hash]);
-	atomic_inc(&ip_vs_protocol_udp.appcnt);
+	list_add(&inc->p_list, &ipvs->udp_apps[hash]);
+	atomic_inc(&pd->appcnt);
 
   out:
-	spin_unlock_bh(&udp_app_lock);
+	spin_unlock_bh(&ipvs->udp_app_lock);
 	return ret;
 }
 
 
 static void
-udp_unregister_app(struct ip_vs_app *inc)
+udp_unregister_app(struct net *net, struct ip_vs_app *inc)
 {
-	spin_lock_bh(&udp_app_lock);
-	atomic_dec(&ip_vs_protocol_udp.appcnt);
+	struct ip_vs_proto_data *pd = ip_vs_proto_data_get(net, IPPROTO_UDP);
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	spin_lock_bh(&ipvs->udp_app_lock);
+	atomic_dec(&pd->appcnt);
 	list_del(&inc->p_list);
-	spin_unlock_bh(&udp_app_lock);
+	spin_unlock_bh(&ipvs->udp_app_lock);
 }
 
 
 static int udp_app_conn_bind(struct ip_vs_conn *cp)
 {
+	struct netns_ipvs *ipvs = net_ipvs(ip_vs_conn_net(cp));
 	int hash;
 	struct ip_vs_app *inc;
 	int result = 0;
@@ -407,12 +408,12 @@ static int udp_app_conn_bind(struct ip_vs_conn *cp)
 	/* Lookup application incarnations and bind the right one */
 	hash = udp_app_hashkey(cp->vport);
 
-	spin_lock(&udp_app_lock);
-	list_for_each_entry(inc, &udp_apps[hash], p_list) {
+	spin_lock(&ipvs->udp_app_lock);
+	list_for_each_entry(inc, &ipvs->udp_apps[hash], p_list) {
 		if (inc->port == cp->vport) {
 			if (unlikely(!ip_vs_app_inc_get(inc)))
 				break;
-			spin_unlock(&udp_app_lock);
+			spin_unlock(&ipvs->udp_app_lock);
 
 			IP_VS_DBG_BUF(9, "%s(): Binding conn %s:%u->"
 				      "%s:%u to app %s on port %u\n",
@@ -429,14 +430,14 @@ static int udp_app_conn_bind(struct ip_vs_conn *cp)
 			goto out;
 		}
 	}
-	spin_unlock(&udp_app_lock);
+	spin_unlock(&ipvs->udp_app_lock);
 
   out:
 	return result;
 }
 
 
-static int udp_timeouts[IP_VS_UDP_S_LAST+1] = {
+static const int udp_timeouts[IP_VS_UDP_S_LAST+1] = {
 	[IP_VS_UDP_S_NORMAL]		=	5*60*HZ,
 	[IP_VS_UDP_S_LAST]		=	2*HZ,
 };
@@ -446,14 +447,6 @@ static const char *const udp_state_name_table[IP_VS_UDP_S_LAST+1] = {
 	[IP_VS_UDP_S_LAST]		=	"BUG!",
 };
 
-
-static int
-udp_set_state_timeout(struct ip_vs_protocol *pp, char *sname, int to)
-{
-	return ip_vs_set_state_timeout(pp->timeout_table, IP_VS_UDP_S_LAST,
-				       udp_state_name_table, sname, to);
-}
-
 static const char * udp_state_name(int state)
 {
 	if (state >= IP_VS_UDP_S_LAST)
@@ -464,20 +457,30 @@ static const char * udp_state_name(int state)
 static int
 udp_state_transition(struct ip_vs_conn *cp, int direction,
 		     const struct sk_buff *skb,
-		     struct ip_vs_protocol *pp)
+		     struct ip_vs_proto_data *pd)
 {
-	cp->timeout = pp->timeout_table[IP_VS_UDP_S_NORMAL];
+	if (unlikely(!pd)) {
+		pr_err("UDP no ns data\n");
+		return 0;
+	}
+
+	cp->timeout = pd->timeout_table[IP_VS_UDP_S_NORMAL];
 	return 1;
 }
 
-static void udp_init(struct ip_vs_protocol *pp)
+static void __udp_init(struct net *net, struct ip_vs_proto_data *pd)
 {
-	IP_VS_INIT_HASH_TABLE(udp_apps);
-	pp->timeout_table = udp_timeouts;
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	ip_vs_init_hash_table(ipvs->udp_apps, UDP_APP_TAB_SIZE);
+	spin_lock_init(&ipvs->udp_app_lock);
+	pd->timeout_table = ip_vs_create_timeout_table((int *)udp_timeouts,
+							sizeof(udp_timeouts));
 }
 
-static void udp_exit(struct ip_vs_protocol *pp)
+static void __udp_exit(struct net *net, struct ip_vs_proto_data *pd)
 {
+	kfree(pd->timeout_table);
 }
 
 
@@ -486,8 +489,10 @@ struct ip_vs_protocol ip_vs_protocol_udp = {
 	.protocol =		IPPROTO_UDP,
 	.num_states =		IP_VS_UDP_S_LAST,
 	.dont_defrag =		0,
-	.init =			udp_init,
-	.exit =			udp_exit,
+	.init =			NULL,
+	.exit =			NULL,
+	.init_netns =		__udp_init,
+	.exit_netns =		__udp_exit,
 	.conn_schedule =	udp_conn_schedule,
 	.conn_in_get =		ip_vs_conn_in_get_proto,
 	.conn_out_get =		ip_vs_conn_out_get_proto,
@@ -501,5 +506,4 @@ struct ip_vs_protocol ip_vs_protocol_udp = {
 	.app_conn_bind =	udp_app_conn_bind,
 	.debug_packet =		ip_vs_tcpudp_debug_packet,
 	.timeout_change =	NULL,
-	.set_state_timeout =	udp_set_state_timeout,
 };
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index ab85aedea17e..d1adf988eb08 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -5,6 +5,18 @@
  *              high-performance and highly available server based on a
  *              cluster of servers.
  *
+ * Version 1,   is capable of handling both version 0 and 1 messages.
+ *              Version 0 is the plain old format.
+ *              Note Version 0 receivers will just drop Ver 1 messages.
+ *              Version 1 is capable of handle IPv6, Persistence data,
+ *              time-outs, and firewall marks.
+ *              In ver.1 "ip_vs_sync_conn_options" will be sent in netw. order.
+ *              Ver. 0 can be turned on by sysctl -w net.ipv4.vs.sync_version=0
+ *
+ * Definitions  Message: is a complete datagram
+ *              Sync_conn: is a part of a Message
+ *              Param Data is an option to a Sync_conn.
+ *
  * Authors:     Wensong Zhang <wensong@linuxvirtualserver.org>
  *
  * ip_vs_sync:  sync connection info from master load balancer to backups
@@ -15,6 +27,8 @@
  *	Alexandre Cassen	:	Added SyncID support for incoming sync
  *					messages filtering.
  *	Justin Ossevoort	:	Fix endian problem on sync message size.
+ *	Hans Schillstrom	:	Added Version 1: i.e. IPv6,
+ *					Persistence support, fwmark and time-out.
  */
 
 #define KMSG_COMPONENT "IPVS"
@@ -35,6 +49,8 @@
 #include <linux/wait.h>
 #include <linux/kernel.h>
 
+#include <asm/unaligned.h>		/* Used for ntoh_seq and hton_seq */
+
 #include <net/ip.h>
 #include <net/sock.h>
 
@@ -43,11 +59,13 @@
 #define IP_VS_SYNC_GROUP 0xe0000051    /* multicast addr - 224.0.0.81 */
 #define IP_VS_SYNC_PORT  8848          /* multicast port */
 
+#define SYNC_PROTO_VER  1		/* Protocol version in header */
 
 /*
  *	IPVS sync connection entry
+ *	Version 0, i.e. original version.
  */
-struct ip_vs_sync_conn {
+struct ip_vs_sync_conn_v0 {
 	__u8			reserved;
 
 	/* Protocol, addresses and port numbers */
@@ -71,41 +89,159 @@ struct ip_vs_sync_conn_options {
 	struct ip_vs_seq        out_seq;        /* outgoing seq. struct */
 };
 
+/*
+     Sync Connection format (sync_conn)
+
+       0                   1                   2                   3
+       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |    Type       |    Protocol   | Ver.  |        Size           |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                             Flags                             |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |            State              |         cport                 |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |            vport              |         dport                 |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                             fwmark                            |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                             timeout  (in sec.)                |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                              ...                              |
+      |                        IP-Addresses  (v4 or v6)               |
+      |                              ...                              |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+  Optional Parameters.
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      | Param. Type    | Param. Length |   Param. data                |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+                               |
+      |                              ...                              |
+      |                               +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                               | Param Type    | Param. Length |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                           Param  data                         |
+      |         Last Param data should be padded for 32 bit alignment |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+*/
+
+/*
+ *  Type 0, IPv4 sync connection format
+ */
+struct ip_vs_sync_v4 {
+	__u8			type;
+	__u8			protocol;	/* Which protocol (TCP/UDP) */
+	__be16			ver_size;	/* Version msb 4 bits */
+	/* Flags and state transition */
+	__be32			flags;		/* status flags */
+	__be16			state;		/* state info 	*/
+	/* Protocol, addresses and port numbers */
+	__be16			cport;
+	__be16			vport;
+	__be16			dport;
+	__be32			fwmark;		/* Firewall mark from skb */
+	__be32			timeout;	/* cp timeout */
+	__be32			caddr;		/* client address */
+	__be32			vaddr;		/* virtual address */
+	__be32			daddr;		/* destination address */
+	/* The sequence options start here */
+	/* PE data padded to 32bit alignment after seq. options */
+};
+/*
+ * Type 2 messages IPv6
+ */
+struct ip_vs_sync_v6 {
+	__u8			type;
+	__u8			protocol;	/* Which protocol (TCP/UDP) */
+	__be16			ver_size;	/* Version msb 4 bits */
+	/* Flags and state transition */
+	__be32			flags;		/* status flags */
+	__be16			state;		/* state info 	*/
+	/* Protocol, addresses and port numbers */
+	__be16			cport;
+	__be16			vport;
+	__be16			dport;
+	__be32			fwmark;		/* Firewall mark from skb */
+	__be32			timeout;	/* cp timeout */
+	struct in6_addr		caddr;		/* client address */
+	struct in6_addr		vaddr;		/* virtual address */
+	struct in6_addr		daddr;		/* destination address */
+	/* The sequence options start here */
+	/* PE data padded to 32bit alignment after seq. options */
+};
+
+union ip_vs_sync_conn {
+	struct ip_vs_sync_v4	v4;
+	struct ip_vs_sync_v6	v6;
+};
+
+/* Bits in Type field in above */
+#define STYPE_INET6		0
+#define STYPE_F_INET6		(1 << STYPE_INET6)
+
+#define SVER_SHIFT		12		/* Shift to get version */
+#define SVER_MASK		0x0fff		/* Mask to strip version */
+
+#define IPVS_OPT_SEQ_DATA	1
+#define IPVS_OPT_PE_DATA	2
+#define IPVS_OPT_PE_NAME	3
+#define IPVS_OPT_PARAM		7
+
+#define IPVS_OPT_F_SEQ_DATA	(1 << (IPVS_OPT_SEQ_DATA-1))
+#define IPVS_OPT_F_PE_DATA	(1 << (IPVS_OPT_PE_DATA-1))
+#define IPVS_OPT_F_PE_NAME	(1 << (IPVS_OPT_PE_NAME-1))
+#define IPVS_OPT_F_PARAM	(1 << (IPVS_OPT_PARAM-1))
+
 struct ip_vs_sync_thread_data {
+	struct net *net;
 	struct socket *sock;
 	char *buf;
 };
 
-#define SIMPLE_CONN_SIZE  (sizeof(struct ip_vs_sync_conn))
+/* Version 0 definition of packet sizes */
+#define SIMPLE_CONN_SIZE  (sizeof(struct ip_vs_sync_conn_v0))
 #define FULL_CONN_SIZE  \
-(sizeof(struct ip_vs_sync_conn) + sizeof(struct ip_vs_sync_conn_options))
+(sizeof(struct ip_vs_sync_conn_v0) + sizeof(struct ip_vs_sync_conn_options))
 
 
 /*
-  The master mulitcasts messages to the backup load balancers in the
-  following format.
+  The master mulitcasts messages (Datagrams) to the backup load balancers
+  in the following format.
+
+ Version 1:
+  Note, first byte should be Zero, so ver 0 receivers will drop the packet.
 
        0                   1                   2                   3
        0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
-      |  Count Conns  |    SyncID     |            Size               |
+      |      0        |    SyncID     |            Size               |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |  Count Conns  |    Version    |    Reserved, set to Zero      |
       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
       |                                                               |
       |                    IPVS Sync Connection (1)                   |
       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
       |                            .                                  |
-      |                            .                                  |
+      ~                            .                                  ~
       |                            .                                  |
       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
       |                                                               |
       |                    IPVS Sync Connection (n)                   |
       +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+
+ Version 0 Header
+       0                   1                   2                   3
+       0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |  Count Conns  |    SyncID     |            Size               |
+      +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+      |                    IPVS Sync Connection (1)                   |
 */
 
 #define SYNC_MESG_HEADER_LEN	4
 #define MAX_CONNS_PER_SYNCBUFF	255 /* nr_conns in ip_vs_sync_mesg is 8 bit */
 
-struct ip_vs_sync_mesg {
+/* Version 0 header */
+struct ip_vs_sync_mesg_v0 {
 	__u8                    nr_conns;
 	__u8                    syncid;
 	__u16                   size;
@@ -113,9 +249,16 @@ struct ip_vs_sync_mesg {
 	/* ip_vs_sync_conn entries start here */
 };
 
-/* the maximum length of sync (sending/receiving) message */
-static int sync_send_mesg_maxlen;
-static int sync_recv_mesg_maxlen;
+/* Version 1 header */
+struct ip_vs_sync_mesg {
+	__u8			reserved;	/* must be zero */
+	__u8			syncid;
+	__u16			size;
+	__u8			nr_conns;
+	__s8			version;	/* SYNC_PROTO_VER  */
+	__u16			spare;
+	/* ip_vs_sync_conn entries start here */
+};
 
 struct ip_vs_sync_buff {
 	struct list_head        list;
@@ -127,28 +270,6 @@ struct ip_vs_sync_buff {
 	unsigned char           *end;
 };
 
-
-/* the sync_buff list head and the lock */
-static LIST_HEAD(ip_vs_sync_queue);
-static DEFINE_SPINLOCK(ip_vs_sync_lock);
-
-/* current sync_buff for accepting new conn entries */
-static struct ip_vs_sync_buff   *curr_sb = NULL;
-static DEFINE_SPINLOCK(curr_sb_lock);
-
-/* ipvs sync daemon state */
-volatile int ip_vs_sync_state = IP_VS_STATE_NONE;
-volatile int ip_vs_master_syncid = 0;
-volatile int ip_vs_backup_syncid = 0;
-
-/* multicast interface name */
-char ip_vs_master_mcast_ifn[IP_VS_IFNAME_MAXLEN];
-char ip_vs_backup_mcast_ifn[IP_VS_IFNAME_MAXLEN];
-
-/* sync daemon tasks */
-static struct task_struct *sync_master_thread;
-static struct task_struct *sync_backup_thread;
-
 /* multicast addr */
 static struct sockaddr_in mcast_addr = {
 	.sin_family		= AF_INET,
@@ -156,41 +277,71 @@ static struct sockaddr_in mcast_addr = {
 	.sin_addr.s_addr	= cpu_to_be32(IP_VS_SYNC_GROUP),
 };
 
+/*
+ * Copy of struct ip_vs_seq
+ * From unaligned network order to aligned host order
+ */
+static void ntoh_seq(struct ip_vs_seq *no, struct ip_vs_seq *ho)
+{
+	ho->init_seq       = get_unaligned_be32(&no->init_seq);
+	ho->delta          = get_unaligned_be32(&no->delta);
+	ho->previous_delta = get_unaligned_be32(&no->previous_delta);
+}
+
+/*
+ * Copy of struct ip_vs_seq
+ * From Aligned host order to unaligned network order
+ */
+static void hton_seq(struct ip_vs_seq *ho, struct ip_vs_seq *no)
+{
+	put_unaligned_be32(ho->init_seq, &no->init_seq);
+	put_unaligned_be32(ho->delta, &no->delta);
+	put_unaligned_be32(ho->previous_delta, &no->previous_delta);
+}
 
-static inline struct ip_vs_sync_buff *sb_dequeue(void)
+static inline struct ip_vs_sync_buff *sb_dequeue(struct netns_ipvs *ipvs)
 {
 	struct ip_vs_sync_buff *sb;
 
-	spin_lock_bh(&ip_vs_sync_lock);
-	if (list_empty(&ip_vs_sync_queue)) {
+	spin_lock_bh(&ipvs->sync_lock);
+	if (list_empty(&ipvs->sync_queue)) {
 		sb = NULL;
 	} else {
-		sb = list_entry(ip_vs_sync_queue.next,
+		sb = list_entry(ipvs->sync_queue.next,
 				struct ip_vs_sync_buff,
 				list);
 		list_del(&sb->list);
 	}
-	spin_unlock_bh(&ip_vs_sync_lock);
+	spin_unlock_bh(&ipvs->sync_lock);
 
 	return sb;
 }
 
-static inline struct ip_vs_sync_buff * ip_vs_sync_buff_create(void)
+/*
+ * Create a new sync buffer for Version 1 proto.
+ */
+static inline struct ip_vs_sync_buff *
+ip_vs_sync_buff_create(struct netns_ipvs *ipvs)
 {
 	struct ip_vs_sync_buff *sb;
 
 	if (!(sb=kmalloc(sizeof(struct ip_vs_sync_buff), GFP_ATOMIC)))
 		return NULL;
 
-	if (!(sb->mesg=kmalloc(sync_send_mesg_maxlen, GFP_ATOMIC))) {
+	sb->mesg = kmalloc(ipvs->send_mesg_maxlen, GFP_ATOMIC);
+	if (!sb->mesg) {
 		kfree(sb);
 		return NULL;
 	}
+	sb->mesg->reserved = 0;  /* old nr_conns i.e. must be zeo now */
+	sb->mesg->version = SYNC_PROTO_VER;
+	sb->mesg->syncid = ipvs->master_syncid;
+	sb->mesg->size = sizeof(struct ip_vs_sync_mesg);
 	sb->mesg->nr_conns = 0;
-	sb->mesg->syncid = ip_vs_master_syncid;
-	sb->mesg->size = 4;
-	sb->head = (unsigned char *)sb->mesg + 4;
-	sb->end = (unsigned char *)sb->mesg + sync_send_mesg_maxlen;
+	sb->mesg->spare = 0;
+	sb->head = (unsigned char *)sb->mesg + sizeof(struct ip_vs_sync_mesg);
+	sb->end = (unsigned char *)sb->mesg + ipvs->send_mesg_maxlen;
+
 	sb->firstuse = jiffies;
 	return sb;
 }
@@ -201,14 +352,16 @@ static inline void ip_vs_sync_buff_release(struct ip_vs_sync_buff *sb)
 	kfree(sb);
 }
 
-static inline void sb_queue_tail(struct ip_vs_sync_buff *sb)
+static inline void sb_queue_tail(struct netns_ipvs *ipvs)
 {
-	spin_lock(&ip_vs_sync_lock);
-	if (ip_vs_sync_state & IP_VS_STATE_MASTER)
-		list_add_tail(&sb->list, &ip_vs_sync_queue);
+	struct ip_vs_sync_buff *sb = ipvs->sync_buff;
+
+	spin_lock(&ipvs->sync_lock);
+	if (ipvs->sync_state & IP_VS_STATE_MASTER)
+		list_add_tail(&sb->list, &ipvs->sync_queue);
 	else
 		ip_vs_sync_buff_release(sb);
-	spin_unlock(&ip_vs_sync_lock);
+	spin_unlock(&ipvs->sync_lock);
 }
 
 /*
@@ -216,36 +369,101 @@ static inline void sb_queue_tail(struct ip_vs_sync_buff *sb)
  *	than the specified time or the specified time is zero.
  */
 static inline struct ip_vs_sync_buff *
-get_curr_sync_buff(unsigned long time)
+get_curr_sync_buff(struct netns_ipvs *ipvs, unsigned long time)
 {
 	struct ip_vs_sync_buff *sb;
 
-	spin_lock_bh(&curr_sb_lock);
-	if (curr_sb && (time == 0 ||
-			time_before(jiffies - curr_sb->firstuse, time))) {
-		sb = curr_sb;
-		curr_sb = NULL;
+	spin_lock_bh(&ipvs->sync_buff_lock);
+	if (ipvs->sync_buff && (time == 0 ||
+	    time_before(jiffies - ipvs->sync_buff->firstuse, time))) {
+		sb = ipvs->sync_buff;
+		ipvs->sync_buff = NULL;
 	} else
 		sb = NULL;
-	spin_unlock_bh(&curr_sb_lock);
+	spin_unlock_bh(&ipvs->sync_buff_lock);
 	return sb;
 }
 
+/*
+ * Switch mode from sending version 0 or 1
+ *  - must handle sync_buf
+ */
+void ip_vs_sync_switch_mode(struct net *net, int mode)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	if (!ipvs->sync_state & IP_VS_STATE_MASTER)
+		return;
+	if (mode == ipvs->sysctl_sync_ver || !ipvs->sync_buff)
+		return;
+
+	spin_lock_bh(&ipvs->sync_buff_lock);
+	/* Buffer empty ? then let buf_create do the job  */
+	if (ipvs->sync_buff->mesg->size <=  sizeof(struct ip_vs_sync_mesg)) {
+		kfree(ipvs->sync_buff);
+		ipvs->sync_buff = NULL;
+	} else {
+		spin_lock_bh(&ipvs->sync_lock);
+		if (ipvs->sync_state & IP_VS_STATE_MASTER)
+			list_add_tail(&ipvs->sync_buff->list,
+				      &ipvs->sync_queue);
+		else
+			ip_vs_sync_buff_release(ipvs->sync_buff);
+		spin_unlock_bh(&ipvs->sync_lock);
+	}
+	spin_unlock_bh(&ipvs->sync_buff_lock);
+}
 
 /*
+ * Create a new sync buffer for Version 0 proto.
+ */
+static inline struct ip_vs_sync_buff *
+ip_vs_sync_buff_create_v0(struct netns_ipvs *ipvs)
+{
+	struct ip_vs_sync_buff *sb;
+	struct ip_vs_sync_mesg_v0 *mesg;
+
+	if (!(sb=kmalloc(sizeof(struct ip_vs_sync_buff), GFP_ATOMIC)))
+		return NULL;
+
+	sb->mesg = kmalloc(ipvs->send_mesg_maxlen, GFP_ATOMIC);
+	if (!sb->mesg) {
+		kfree(sb);
+		return NULL;
+	}
+	mesg = (struct ip_vs_sync_mesg_v0 *)sb->mesg;
+	mesg->nr_conns = 0;
+	mesg->syncid = ipvs->master_syncid;
+	mesg->size = sizeof(struct ip_vs_sync_mesg_v0);
+	sb->head = (unsigned char *)mesg + sizeof(struct ip_vs_sync_mesg_v0);
+	sb->end = (unsigned char *)mesg + ipvs->send_mesg_maxlen;
+	sb->firstuse = jiffies;
+	return sb;
+}
+
+/*
+ *      Version 0 , could be switched in by sys_ctl.
  *      Add an ip_vs_conn information into the current sync_buff.
- *      Called by ip_vs_in.
  */
-void ip_vs_sync_conn(struct ip_vs_conn *cp)
+void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp)
 {
-	struct ip_vs_sync_mesg *m;
-	struct ip_vs_sync_conn *s;
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_sync_mesg_v0 *m;
+	struct ip_vs_sync_conn_v0 *s;
 	int len;
 
-	spin_lock(&curr_sb_lock);
-	if (!curr_sb) {
-		if (!(curr_sb=ip_vs_sync_buff_create())) {
-			spin_unlock(&curr_sb_lock);
+	if (unlikely(cp->af != AF_INET))
+		return;
+	/* Do not sync ONE PACKET */
+	if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
+		return;
+
+	spin_lock(&ipvs->sync_buff_lock);
+	if (!ipvs->sync_buff) {
+		ipvs->sync_buff =
+			ip_vs_sync_buff_create_v0(ipvs);
+		if (!ipvs->sync_buff) {
+			spin_unlock(&ipvs->sync_buff_lock);
 			pr_err("ip_vs_sync_buff_create failed.\n");
 			return;
 		}
@@ -253,10 +471,11 @@ void ip_vs_sync_conn(struct ip_vs_conn *cp)
 
 	len = (cp->flags & IP_VS_CONN_F_SEQ_MASK) ? FULL_CONN_SIZE :
 		SIMPLE_CONN_SIZE;
-	m = curr_sb->mesg;
-	s = (struct ip_vs_sync_conn *)curr_sb->head;
+	m = (struct ip_vs_sync_mesg_v0 *)ipvs->sync_buff->mesg;
+	s = (struct ip_vs_sync_conn_v0 *)ipvs->sync_buff->head;
 
 	/* copy members */
+	s->reserved = 0;
 	s->protocol = cp->protocol;
 	s->cport = cp->cport;
 	s->vport = cp->vport;
@@ -274,83 +493,366 @@ void ip_vs_sync_conn(struct ip_vs_conn *cp)
 
 	m->nr_conns++;
 	m->size += len;
-	curr_sb->head += len;
+	ipvs->sync_buff->head += len;
 
 	/* check if there is a space for next one */
-	if (curr_sb->head+FULL_CONN_SIZE > curr_sb->end) {
-		sb_queue_tail(curr_sb);
-		curr_sb = NULL;
+	if (ipvs->sync_buff->head + FULL_CONN_SIZE > ipvs->sync_buff->end) {
+		sb_queue_tail(ipvs);
+		ipvs->sync_buff = NULL;
 	}
-	spin_unlock(&curr_sb_lock);
+	spin_unlock(&ipvs->sync_buff_lock);
 
 	/* synchronize its controller if it has */
 	if (cp->control)
-		ip_vs_sync_conn(cp->control);
+		ip_vs_sync_conn(net, cp->control);
+}
+
+/*
+ *      Add an ip_vs_conn information into the current sync_buff.
+ *      Called by ip_vs_in.
+ *      Sending Version 1 messages
+ */
+void ip_vs_sync_conn(struct net *net, struct ip_vs_conn *cp)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_sync_mesg *m;
+	union ip_vs_sync_conn *s;
+	__u8 *p;
+	unsigned int len, pe_name_len, pad;
+
+	/* Handle old version of the protocol */
+	if (ipvs->sysctl_sync_ver == 0) {
+		ip_vs_sync_conn_v0(net, cp);
+		return;
+	}
+	/* Do not sync ONE PACKET */
+	if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
+		goto control;
+sloop:
+	/* Sanity checks */
+	pe_name_len = 0;
+	if (cp->pe_data_len) {
+		if (!cp->pe_data || !cp->dest) {
+			IP_VS_ERR_RL("SYNC, connection pe_data invalid\n");
+			return;
+		}
+		pe_name_len = strnlen(cp->pe->name, IP_VS_PENAME_MAXLEN);
+	}
+
+	spin_lock(&ipvs->sync_buff_lock);
+
+#ifdef CONFIG_IP_VS_IPV6
+	if (cp->af == AF_INET6)
+		len = sizeof(struct ip_vs_sync_v6);
+	else
+#endif
+		len = sizeof(struct ip_vs_sync_v4);
+
+	if (cp->flags & IP_VS_CONN_F_SEQ_MASK)
+		len += sizeof(struct ip_vs_sync_conn_options) + 2;
+
+	if (cp->pe_data_len)
+		len += cp->pe_data_len + 2;	/* + Param hdr field */
+	if (pe_name_len)
+		len += pe_name_len + 2;
+
+	/* check if there is a space for this one  */
+	pad = 0;
+	if (ipvs->sync_buff) {
+		pad = (4 - (size_t)ipvs->sync_buff->head) & 3;
+		if (ipvs->sync_buff->head + len + pad > ipvs->sync_buff->end) {
+			sb_queue_tail(ipvs);
+			ipvs->sync_buff = NULL;
+			pad = 0;
+		}
+	}
+
+	if (!ipvs->sync_buff) {
+		ipvs->sync_buff = ip_vs_sync_buff_create(ipvs);
+		if (!ipvs->sync_buff) {
+			spin_unlock(&ipvs->sync_buff_lock);
+			pr_err("ip_vs_sync_buff_create failed.\n");
+			return;
+		}
+	}
+
+	m = ipvs->sync_buff->mesg;
+	p = ipvs->sync_buff->head;
+	ipvs->sync_buff->head += pad + len;
+	m->size += pad + len;
+	/* Add ev. padding from prev. sync_conn */
+	while (pad--)
+		*(p++) = 0;
+
+	s = (union ip_vs_sync_conn *)p;
+
+	/* Set message type  & copy members */
+	s->v4.type = (cp->af == AF_INET6 ? STYPE_F_INET6 : 0);
+	s->v4.ver_size = htons(len & SVER_MASK);	/* Version 0 */
+	s->v4.flags = htonl(cp->flags & ~IP_VS_CONN_F_HASHED);
+	s->v4.state = htons(cp->state);
+	s->v4.protocol = cp->protocol;
+	s->v4.cport = cp->cport;
+	s->v4.vport = cp->vport;
+	s->v4.dport = cp->dport;
+	s->v4.fwmark = htonl(cp->fwmark);
+	s->v4.timeout = htonl(cp->timeout / HZ);
+	m->nr_conns++;
+
+#ifdef CONFIG_IP_VS_IPV6
+	if (cp->af == AF_INET6) {
+		p += sizeof(struct ip_vs_sync_v6);
+		ipv6_addr_copy(&s->v6.caddr, &cp->caddr.in6);
+		ipv6_addr_copy(&s->v6.vaddr, &cp->vaddr.in6);
+		ipv6_addr_copy(&s->v6.daddr, &cp->daddr.in6);
+	} else
+#endif
+	{
+		p += sizeof(struct ip_vs_sync_v4);	/* options ptr */
+		s->v4.caddr = cp->caddr.ip;
+		s->v4.vaddr = cp->vaddr.ip;
+		s->v4.daddr = cp->daddr.ip;
+	}
+	if (cp->flags & IP_VS_CONN_F_SEQ_MASK) {
+		*(p++) = IPVS_OPT_SEQ_DATA;
+		*(p++) = sizeof(struct ip_vs_sync_conn_options);
+		hton_seq((struct ip_vs_seq *)p, &cp->in_seq);
+		p += sizeof(struct ip_vs_seq);
+		hton_seq((struct ip_vs_seq *)p, &cp->out_seq);
+		p += sizeof(struct ip_vs_seq);
+	}
+	/* Handle pe data */
+	if (cp->pe_data_len && cp->pe_data) {
+		*(p++) = IPVS_OPT_PE_DATA;
+		*(p++) = cp->pe_data_len;
+		memcpy(p, cp->pe_data, cp->pe_data_len);
+		p += cp->pe_data_len;
+		if (pe_name_len) {
+			/* Add PE_NAME */
+			*(p++) = IPVS_OPT_PE_NAME;
+			*(p++) = pe_name_len;
+			memcpy(p, cp->pe->name, pe_name_len);
+			p += pe_name_len;
+		}
+	}
+
+	spin_unlock(&ipvs->sync_buff_lock);
+
+control:
+	/* synchronize its controller if it has */
+	cp = cp->control;
+	if (!cp)
+		return;
+	/*
+	 * Reduce sync rate for templates
+	 * i.e only increment in_pkts for Templates.
+	 */
+	if (cp->flags & IP_VS_CONN_F_TEMPLATE) {
+		int pkts = atomic_add_return(1, &cp->in_pkts);
+
+		if (pkts % ipvs->sysctl_sync_threshold[1] != 1)
+			return;
+	}
+	goto sloop;
 }
 
+/*
+ *  fill_param used by version 1
+ */
 static inline int
-ip_vs_conn_fill_param_sync(int af, int protocol,
-			   const union nf_inet_addr *caddr, __be16 cport,
-			   const union nf_inet_addr *vaddr, __be16 vport,
-			   struct ip_vs_conn_param *p)
+ip_vs_conn_fill_param_sync(struct net *net, int af, union ip_vs_sync_conn *sc,
+			   struct ip_vs_conn_param *p,
+			   __u8 *pe_data, unsigned int pe_data_len,
+			   __u8 *pe_name, unsigned int pe_name_len)
 {
-	/* XXX: Need to take into account persistence engine */
-	ip_vs_conn_fill_param(af, protocol, caddr, cport, vaddr, vport, p);
+#ifdef CONFIG_IP_VS_IPV6
+	if (af == AF_INET6)
+		ip_vs_conn_fill_param(net, af, sc->v6.protocol,
+				      (const union nf_inet_addr *)&sc->v6.caddr,
+				      sc->v6.cport,
+				      (const union nf_inet_addr *)&sc->v6.vaddr,
+				      sc->v6.vport, p);
+	else
+#endif
+		ip_vs_conn_fill_param(net, af, sc->v4.protocol,
+				      (const union nf_inet_addr *)&sc->v4.caddr,
+				      sc->v4.cport,
+				      (const union nf_inet_addr *)&sc->v4.vaddr,
+				      sc->v4.vport, p);
+	/* Handle pe data */
+	if (pe_data_len) {
+		if (pe_name_len) {
+			char buff[IP_VS_PENAME_MAXLEN+1];
+
+			memcpy(buff, pe_name, pe_name_len);
+			buff[pe_name_len]=0;
+			p->pe = __ip_vs_pe_getbyname(buff);
+			if (!p->pe) {
+				IP_VS_DBG(3, "BACKUP, no %s engine found/loaded\n",
+					     buff);
+				return 1;
+			}
+		} else {
+			IP_VS_ERR_RL("BACKUP, Invalid PE parameters\n");
+			return 1;
+		}
+
+		p->pe_data = kmalloc(pe_data_len, GFP_ATOMIC);
+		if (!p->pe_data) {
+			if (p->pe->module)
+				module_put(p->pe->module);
+			return -ENOMEM;
+		}
+		memcpy(p->pe_data, pe_data, pe_data_len);
+		p->pe_data_len = pe_data_len;
+	}
 	return 0;
 }
 
 /*
- *      Process received multicast message and create the corresponding
- *      ip_vs_conn entries.
+ *  Connection Add / Update.
+ *  Common for version 0 and 1 reception of backup sync_conns.
+ *  Param: ...
+ *         timeout is in sec.
  */
-static void ip_vs_process_message(const char *buffer, const size_t buflen)
+static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param,
+			    unsigned int flags, unsigned int state,
+			    unsigned int protocol, unsigned int type,
+			    const union nf_inet_addr *daddr, __be16 dport,
+			    unsigned long timeout, __u32 fwmark,
+			    struct ip_vs_sync_conn_options *opt)
 {
-	struct ip_vs_sync_mesg *m = (struct ip_vs_sync_mesg *)buffer;
-	struct ip_vs_sync_conn *s;
-	struct ip_vs_sync_conn_options *opt;
-	struct ip_vs_conn *cp;
-	struct ip_vs_protocol *pp;
 	struct ip_vs_dest *dest;
-	struct ip_vs_conn_param param;
-	char *p;
-	int i;
+	struct ip_vs_conn *cp;
+	struct netns_ipvs *ipvs = net_ipvs(net);
 
-	if (buflen < sizeof(struct ip_vs_sync_mesg)) {
-		IP_VS_ERR_RL("sync message header too short\n");
-		return;
-	}
+	if (!(flags & IP_VS_CONN_F_TEMPLATE))
+		cp = ip_vs_conn_in_get(param);
+	else
+		cp = ip_vs_ct_in_get(param);
 
-	/* Convert size back to host byte order */
-	m->size = ntohs(m->size);
+	if (cp && param->pe_data) 	/* Free pe_data */
+		kfree(param->pe_data);
+	if (!cp) {
+		/*
+		 * Find the appropriate destination for the connection.
+		 * If it is not found the connection will remain unbound
+		 * but still handled.
+		 */
+		dest = ip_vs_find_dest(net, type, daddr, dport, param->vaddr,
+				       param->vport, protocol, fwmark);
 
-	if (buflen != m->size) {
-		IP_VS_ERR_RL("bogus sync message size\n");
-		return;
+		/*  Set the approprite ativity flag */
+		if (protocol == IPPROTO_TCP) {
+			if (state != IP_VS_TCP_S_ESTABLISHED)
+				flags |= IP_VS_CONN_F_INACTIVE;
+			else
+				flags &= ~IP_VS_CONN_F_INACTIVE;
+		} else if (protocol == IPPROTO_SCTP) {
+			if (state != IP_VS_SCTP_S_ESTABLISHED)
+				flags |= IP_VS_CONN_F_INACTIVE;
+			else
+				flags &= ~IP_VS_CONN_F_INACTIVE;
+		}
+		cp = ip_vs_conn_new(param, daddr, dport, flags, dest, fwmark);
+		if (dest)
+			atomic_dec(&dest->refcnt);
+		if (!cp) {
+			if (param->pe_data)
+				kfree(param->pe_data);
+			IP_VS_DBG(2, "BACKUP, add new conn. failed\n");
+			return;
+		}
+	} else if (!cp->dest) {
+		dest = ip_vs_try_bind_dest(cp);
+		if (dest)
+			atomic_dec(&dest->refcnt);
+	} else if ((cp->dest) && (cp->protocol == IPPROTO_TCP) &&
+		(cp->state != state)) {
+		/* update active/inactive flag for the connection */
+		dest = cp->dest;
+		if (!(cp->flags & IP_VS_CONN_F_INACTIVE) &&
+			(state != IP_VS_TCP_S_ESTABLISHED)) {
+			atomic_dec(&dest->activeconns);
+			atomic_inc(&dest->inactconns);
+			cp->flags |= IP_VS_CONN_F_INACTIVE;
+		} else if ((cp->flags & IP_VS_CONN_F_INACTIVE) &&
+			(state == IP_VS_TCP_S_ESTABLISHED)) {
+			atomic_inc(&dest->activeconns);
+			atomic_dec(&dest->inactconns);
+			cp->flags &= ~IP_VS_CONN_F_INACTIVE;
+		}
+	} else if ((cp->dest) && (cp->protocol == IPPROTO_SCTP) &&
+		(cp->state != state)) {
+		dest = cp->dest;
+		if (!(cp->flags & IP_VS_CONN_F_INACTIVE) &&
+		(state != IP_VS_SCTP_S_ESTABLISHED)) {
+			atomic_dec(&dest->activeconns);
+			atomic_inc(&dest->inactconns);
+			cp->flags &= ~IP_VS_CONN_F_INACTIVE;
+		}
 	}
 
-	/* SyncID sanity check */
-	if (ip_vs_backup_syncid != 0 && m->syncid != ip_vs_backup_syncid) {
-		IP_VS_DBG(7, "Ignoring incoming msg with syncid = %d\n",
-			  m->syncid);
-		return;
+	if (opt)
+		memcpy(&cp->in_seq, opt, sizeof(*opt));
+	atomic_set(&cp->in_pkts, ipvs->sysctl_sync_threshold[0]);
+	cp->state = state;
+	cp->old_state = cp->state;
+	/*
+	 * For Ver 0 messages style
+	 *  - Not possible to recover the right timeout for templates
+	 *  - can not find the right fwmark
+	 *    virtual service. If needed, we can do it for
+	 *    non-fwmark persistent services.
+	 * Ver 1 messages style.
+	 *  - No problem.
+	 */
+	if (timeout) {
+		if (timeout > MAX_SCHEDULE_TIMEOUT / HZ)
+			timeout = MAX_SCHEDULE_TIMEOUT / HZ;
+		cp->timeout = timeout*HZ;
+	} else {
+		struct ip_vs_proto_data *pd;
+
+		pd = ip_vs_proto_data_get(net, protocol);
+		if (!(flags & IP_VS_CONN_F_TEMPLATE) && pd && pd->timeout_table)
+			cp->timeout = pd->timeout_table[state];
+		else
+			cp->timeout = (3*60*HZ);
 	}
+	ip_vs_conn_put(cp);
+}
 
-	p = (char *)buffer + sizeof(struct ip_vs_sync_mesg);
+/*
+ *  Process received multicast message for Version 0
+ */
+static void ip_vs_process_message_v0(struct net *net, const char *buffer,
+				     const size_t buflen)
+{
+	struct ip_vs_sync_mesg_v0 *m = (struct ip_vs_sync_mesg_v0 *)buffer;
+	struct ip_vs_sync_conn_v0 *s;
+	struct ip_vs_sync_conn_options *opt;
+	struct ip_vs_protocol *pp;
+	struct ip_vs_conn_param param;
+	char *p;
+	int i;
+
+	p = (char *)buffer + sizeof(struct ip_vs_sync_mesg_v0);
 	for (i=0; i<m->nr_conns; i++) {
 		unsigned flags, state;
 
 		if (p + SIMPLE_CONN_SIZE > buffer+buflen) {
-			IP_VS_ERR_RL("bogus conn in sync message\n");
+			IP_VS_ERR_RL("BACKUP v0, bogus conn\n");
 			return;
 		}
-		s = (struct ip_vs_sync_conn *) p;
+		s = (struct ip_vs_sync_conn_v0 *) p;
 		flags = ntohs(s->flags) | IP_VS_CONN_F_SYNC;
 		flags &= ~IP_VS_CONN_F_HASHED;
 		if (flags & IP_VS_CONN_F_SEQ_MASK) {
 			opt = (struct ip_vs_sync_conn_options *)&s[1];
 			p += FULL_CONN_SIZE;
 			if (p > buffer+buflen) {
-				IP_VS_ERR_RL("bogus conn options in sync message\n");
+				IP_VS_ERR_RL("BACKUP v0, Dropping buffer bogus conn options\n");
 				return;
 			}
 		} else {
@@ -362,118 +864,286 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
 		if (!(flags & IP_VS_CONN_F_TEMPLATE)) {
 			pp = ip_vs_proto_get(s->protocol);
 			if (!pp) {
-				IP_VS_ERR_RL("Unsupported protocol %u in sync msg\n",
+				IP_VS_DBG(2, "BACKUP v0, Unsupported protocol %u\n",
 					s->protocol);
 				continue;
 			}
 			if (state >= pp->num_states) {
-				IP_VS_DBG(2, "Invalid %s state %u in sync msg\n",
+				IP_VS_DBG(2, "BACKUP v0, Invalid %s state %u\n",
 					pp->name, state);
 				continue;
 			}
 		} else {
 			/* protocol in templates is not used for state/timeout */
-			pp = NULL;
 			if (state > 0) {
-				IP_VS_DBG(2, "Invalid template state %u in sync msg\n",
+				IP_VS_DBG(2, "BACKUP v0, Invalid template state %u\n",
 					state);
 				state = 0;
 			}
 		}
 
-		{
-			if (ip_vs_conn_fill_param_sync(AF_INET, s->protocol,
-					      (union nf_inet_addr *)&s->caddr,
-					      s->cport,
-					      (union nf_inet_addr *)&s->vaddr,
-					      s->vport, &param)) {
-				pr_err("ip_vs_conn_fill_param_sync failed");
-				return;
+		ip_vs_conn_fill_param(net, AF_INET, s->protocol,
+				      (const union nf_inet_addr *)&s->caddr,
+				      s->cport,
+				      (const union nf_inet_addr *)&s->vaddr,
+				      s->vport, &param);
+
+		/* Send timeout as Zero */
+		ip_vs_proc_conn(net, &param, flags, state, s->protocol, AF_INET,
+				(union nf_inet_addr *)&s->daddr, s->dport,
+				0, 0, opt);
+	}
+}
+
+/*
+ * Handle options
+ */
+static inline int ip_vs_proc_seqopt(__u8 *p, unsigned int plen,
+				    __u32 *opt_flags,
+				    struct ip_vs_sync_conn_options *opt)
+{
+	struct ip_vs_sync_conn_options *topt;
+
+	topt = (struct ip_vs_sync_conn_options *)p;
+
+	if (plen != sizeof(struct ip_vs_sync_conn_options)) {
+		IP_VS_DBG(2, "BACKUP, bogus conn options length\n");
+		return -EINVAL;
+	}
+	if (*opt_flags & IPVS_OPT_F_SEQ_DATA) {
+		IP_VS_DBG(2, "BACKUP, conn options found twice\n");
+		return -EINVAL;
+	}
+	ntoh_seq(&topt->in_seq, &opt->in_seq);
+	ntoh_seq(&topt->out_seq, &opt->out_seq);
+	*opt_flags |= IPVS_OPT_F_SEQ_DATA;
+	return 0;
+}
+
+static int ip_vs_proc_str(__u8 *p, unsigned int plen, unsigned int *data_len,
+			  __u8 **data, unsigned int maxlen,
+			  __u32 *opt_flags, __u32 flag)
+{
+	if (plen > maxlen) {
+		IP_VS_DBG(2, "BACKUP, bogus par.data len > %d\n", maxlen);
+		return -EINVAL;
+	}
+	if (*opt_flags & flag) {
+		IP_VS_DBG(2, "BACKUP, Par.data found twice 0x%x\n", flag);
+		return -EINVAL;
+	}
+	*data_len = plen;
+	*data = p;
+	*opt_flags |= flag;
+	return 0;
+}
+/*
+ *   Process a Version 1 sync. connection
+ */
+static inline int ip_vs_proc_sync_conn(struct net *net, __u8 *p, __u8 *msg_end)
+{
+	struct ip_vs_sync_conn_options opt;
+	union  ip_vs_sync_conn *s;
+	struct ip_vs_protocol *pp;
+	struct ip_vs_conn_param param;
+	__u32 flags;
+	unsigned int af, state, pe_data_len=0, pe_name_len=0;
+	__u8 *pe_data=NULL, *pe_name=NULL;
+	__u32 opt_flags=0;
+	int retc=0;
+
+	s = (union ip_vs_sync_conn *) p;
+
+	if (s->v6.type & STYPE_F_INET6) {
+#ifdef CONFIG_IP_VS_IPV6
+		af = AF_INET6;
+		p += sizeof(struct ip_vs_sync_v6);
+#else
+		IP_VS_DBG(3,"BACKUP, IPv6 msg received, and IPVS is not compiled for IPv6\n");
+		retc = 10;
+		goto out;
+#endif
+	} else if (!s->v4.type) {
+		af = AF_INET;
+		p += sizeof(struct ip_vs_sync_v4);
+	} else {
+		return -10;
+	}
+	if (p > msg_end)
+		return -20;
+
+	/* Process optional params check Type & Len. */
+	while (p < msg_end) {
+		int ptype;
+		int plen;
+
+		if (p+2 > msg_end)
+			return -30;
+		ptype = *(p++);
+		plen  = *(p++);
+
+		if (!plen || ((p + plen) > msg_end))
+			return -40;
+		/* Handle seq option  p = param data */
+		switch (ptype & ~IPVS_OPT_F_PARAM) {
+		case IPVS_OPT_SEQ_DATA:
+			if (ip_vs_proc_seqopt(p, plen, &opt_flags, &opt))
+				return -50;
+			break;
+
+		case IPVS_OPT_PE_DATA:
+			if (ip_vs_proc_str(p, plen, &pe_data_len, &pe_data,
+					   IP_VS_PEDATA_MAXLEN, &opt_flags,
+					   IPVS_OPT_F_PE_DATA))
+				return -60;
+			break;
+
+		case IPVS_OPT_PE_NAME:
+			if (ip_vs_proc_str(p, plen,&pe_name_len, &pe_name,
+					   IP_VS_PENAME_MAXLEN, &opt_flags,
+					   IPVS_OPT_F_PE_NAME))
+				return -70;
+			break;
+
+		default:
+			/* Param data mandatory ? */
+			if (!(ptype & IPVS_OPT_F_PARAM)) {
+				IP_VS_DBG(3, "BACKUP, Unknown mandatory param %d found\n",
+					  ptype & ~IPVS_OPT_F_PARAM);
+				retc = 20;
+				goto out;
 			}
-			if (!(flags & IP_VS_CONN_F_TEMPLATE))
-				cp = ip_vs_conn_in_get(&param);
-			else
-				cp = ip_vs_ct_in_get(&param);
 		}
-		if (!cp) {
-			/*
-			 * Find the appropriate destination for the connection.
-			 * If it is not found the connection will remain unbound
-			 * but still handled.
-			 */
-			dest = ip_vs_find_dest(AF_INET,
-					       (union nf_inet_addr *)&s->daddr,
-					       s->dport,
-					       (union nf_inet_addr *)&s->vaddr,
-					       s->vport,
-					       s->protocol);
-			/*  Set the approprite ativity flag */
-			if (s->protocol == IPPROTO_TCP) {
-				if (state != IP_VS_TCP_S_ESTABLISHED)
-					flags |= IP_VS_CONN_F_INACTIVE;
-				else
-					flags &= ~IP_VS_CONN_F_INACTIVE;
-			} else if (s->protocol == IPPROTO_SCTP) {
-				if (state != IP_VS_SCTP_S_ESTABLISHED)
-					flags |= IP_VS_CONN_F_INACTIVE;
-				else
-					flags &= ~IP_VS_CONN_F_INACTIVE;
+		p += plen;  /* Next option */
+	}
+
+	/* Get flags and Mask off unsupported */
+	flags  = ntohl(s->v4.flags) & IP_VS_CONN_F_BACKUP_MASK;
+	flags |= IP_VS_CONN_F_SYNC;
+	state = ntohs(s->v4.state);
+
+	if (!(flags & IP_VS_CONN_F_TEMPLATE)) {
+		pp = ip_vs_proto_get(s->v4.protocol);
+		if (!pp) {
+			IP_VS_DBG(3,"BACKUP, Unsupported protocol %u\n",
+				s->v4.protocol);
+			retc = 30;
+			goto out;
+		}
+		if (state >= pp->num_states) {
+			IP_VS_DBG(3, "BACKUP, Invalid %s state %u\n",
+				pp->name, state);
+			retc = 40;
+			goto out;
+		}
+	} else {
+		/* protocol in templates is not used for state/timeout */
+		if (state > 0) {
+			IP_VS_DBG(3, "BACKUP, Invalid template state %u\n",
+				state);
+			state = 0;
+		}
+	}
+	if (ip_vs_conn_fill_param_sync(net, af, s, &param, pe_data,
+				       pe_data_len, pe_name, pe_name_len)) {
+		retc = 50;
+		goto out;
+	}
+	/* If only IPv4, just silent skip IPv6 */
+	if (af == AF_INET)
+		ip_vs_proc_conn(net, &param, flags, state, s->v4.protocol, af,
+				(union nf_inet_addr *)&s->v4.daddr, s->v4.dport,
+				ntohl(s->v4.timeout), ntohl(s->v4.fwmark),
+				(opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL)
+				);
+#ifdef CONFIG_IP_VS_IPV6
+	else
+		ip_vs_proc_conn(net, &param, flags, state, s->v6.protocol, af,
+				(union nf_inet_addr *)&s->v6.daddr, s->v6.dport,
+				ntohl(s->v6.timeout), ntohl(s->v6.fwmark),
+				(opt_flags & IPVS_OPT_F_SEQ_DATA ? &opt : NULL)
+				);
+#endif
+	return 0;
+	/* Error exit */
+out:
+	IP_VS_DBG(2, "BACKUP, Single msg dropped err:%d\n", retc);
+	return retc;
+
+}
+/*
+ *      Process received multicast message and create the corresponding
+ *      ip_vs_conn entries.
+ *      Handles Version 0 & 1
+ */
+static void ip_vs_process_message(struct net *net, __u8 *buffer,
+				  const size_t buflen)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+	struct ip_vs_sync_mesg *m2 = (struct ip_vs_sync_mesg *)buffer;
+	__u8 *p, *msg_end;
+	int i, nr_conns;
+
+	if (buflen < sizeof(struct ip_vs_sync_mesg_v0)) {
+		IP_VS_DBG(2, "BACKUP, message header too short\n");
+		return;
+	}
+	/* Convert size back to host byte order */
+	m2->size = ntohs(m2->size);
+
+	if (buflen != m2->size) {
+		IP_VS_DBG(2, "BACKUP, bogus message size\n");
+		return;
+	}
+	/* SyncID sanity check */
+	if (ipvs->backup_syncid != 0 && m2->syncid != ipvs->backup_syncid) {
+		IP_VS_DBG(7, "BACKUP, Ignoring syncid = %d\n", m2->syncid);
+		return;
+	}
+	/* Handle version 1  message */
+	if ((m2->version == SYNC_PROTO_VER) && (m2->reserved == 0)
+	    && (m2->spare == 0)) {
+
+		msg_end = buffer + sizeof(struct ip_vs_sync_mesg);
+		nr_conns = m2->nr_conns;
+
+		for (i=0; i<nr_conns; i++) {
+			union ip_vs_sync_conn *s;
+			unsigned size;
+			int retc;
+
+			p = msg_end;
+			if (p + sizeof(s->v4) > buffer+buflen) {
+				IP_VS_ERR_RL("BACKUP, Dropping buffer, to small\n");
+				return;
 			}
-			cp = ip_vs_conn_new(&param,
-					    (union nf_inet_addr *)&s->daddr,
-					    s->dport, flags, dest);
-			if (dest)
-				atomic_dec(&dest->refcnt);
-			if (!cp) {
-				pr_err("ip_vs_conn_new failed\n");
+			s = (union ip_vs_sync_conn *)p;
+			size = ntohs(s->v4.ver_size) & SVER_MASK;
+			msg_end = p + size;
+			/* Basic sanity checks */
+			if (msg_end  > buffer+buflen) {
+				IP_VS_ERR_RL("BACKUP, Dropping buffer, msg > buffer\n");
 				return;
 			}
-		} else if (!cp->dest) {
-			dest = ip_vs_try_bind_dest(cp);
-			if (dest)
-				atomic_dec(&dest->refcnt);
-		} else if ((cp->dest) && (cp->protocol == IPPROTO_TCP) &&
-			   (cp->state != state)) {
-			/* update active/inactive flag for the connection */
-			dest = cp->dest;
-			if (!(cp->flags & IP_VS_CONN_F_INACTIVE) &&
-				(state != IP_VS_TCP_S_ESTABLISHED)) {
-				atomic_dec(&dest->activeconns);
-				atomic_inc(&dest->inactconns);
-				cp->flags |= IP_VS_CONN_F_INACTIVE;
-			} else if ((cp->flags & IP_VS_CONN_F_INACTIVE) &&
-				(state == IP_VS_TCP_S_ESTABLISHED)) {
-				atomic_inc(&dest->activeconns);
-				atomic_dec(&dest->inactconns);
-				cp->flags &= ~IP_VS_CONN_F_INACTIVE;
+			if (ntohs(s->v4.ver_size) >> SVER_SHIFT) {
+				IP_VS_ERR_RL("BACKUP, Dropping buffer, Unknown version %d\n",
+					      ntohs(s->v4.ver_size) >> SVER_SHIFT);
+				return;
 			}
-		} else if ((cp->dest) && (cp->protocol == IPPROTO_SCTP) &&
-			   (cp->state != state)) {
-			dest = cp->dest;
-			if (!(cp->flags & IP_VS_CONN_F_INACTIVE) &&
-			     (state != IP_VS_SCTP_S_ESTABLISHED)) {
-			    atomic_dec(&dest->activeconns);
-			    atomic_inc(&dest->inactconns);
-			    cp->flags &= ~IP_VS_CONN_F_INACTIVE;
+			/* Process a single sync_conn */
+			retc = ip_vs_proc_sync_conn(net, p, msg_end);
+			if (retc < 0) {
+				IP_VS_ERR_RL("BACKUP, Dropping buffer, Err: %d in decoding\n",
+					     retc);
+				return;
 			}
+			/* Make sure we have 32 bit alignment */
+			msg_end = p + ((size + 3) & ~3);
 		}
-
-		if (opt)
-			memcpy(&cp->in_seq, opt, sizeof(*opt));
-		atomic_set(&cp->in_pkts, sysctl_ip_vs_sync_threshold[0]);
-		cp->state = state;
-		cp->old_state = cp->state;
-		/*
-		 * We can not recover the right timeout for templates
-		 * in all cases, we can not find the right fwmark
-		 * virtual service. If needed, we can do it for
-		 * non-fwmark persistent services.
-		 */
-		if (!(flags & IP_VS_CONN_F_TEMPLATE) && pp->timeout_table)
-			cp->timeout = pp->timeout_table[state];
-		else
-			cp->timeout = (3*60*HZ);
-		ip_vs_conn_put(cp);
+	} else {
+		/* Old type of message */
+		ip_vs_process_message_v0(net, buffer, buflen);
+		return;
 	}
 }
 
@@ -511,8 +1181,10 @@ static int set_mcast_if(struct sock *sk, char *ifname)
 {
 	struct net_device *dev;
 	struct inet_sock *inet = inet_sk(sk);
+	struct net *net = sock_net(sk);
 
-	if ((dev = __dev_get_by_name(&init_net, ifname)) == NULL)
+	dev = __dev_get_by_name(net, ifname);
+	if (!dev)
 		return -ENODEV;
 
 	if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if)
@@ -531,30 +1203,33 @@ static int set_mcast_if(struct sock *sk, char *ifname)
  *	Set the maximum length of sync message according to the
  *	specified interface's MTU.
  */
-static int set_sync_mesg_maxlen(int sync_state)
+static int set_sync_mesg_maxlen(struct net *net, int sync_state)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct net_device *dev;
 	int num;
 
 	if (sync_state == IP_VS_STATE_MASTER) {
-		if ((dev = __dev_get_by_name(&init_net, ip_vs_master_mcast_ifn)) == NULL)
+		dev = __dev_get_by_name(net, ipvs->master_mcast_ifn);
+		if (!dev)
 			return -ENODEV;
 
 		num = (dev->mtu - sizeof(struct iphdr) -
 		       sizeof(struct udphdr) -
 		       SYNC_MESG_HEADER_LEN - 20) / SIMPLE_CONN_SIZE;
-		sync_send_mesg_maxlen = SYNC_MESG_HEADER_LEN +
+		ipvs->send_mesg_maxlen = SYNC_MESG_HEADER_LEN +
 			SIMPLE_CONN_SIZE * min(num, MAX_CONNS_PER_SYNCBUFF);
 		IP_VS_DBG(7, "setting the maximum length of sync sending "
-			  "message %d.\n", sync_send_mesg_maxlen);
+			  "message %d.\n", ipvs->send_mesg_maxlen);
 	} else if (sync_state == IP_VS_STATE_BACKUP) {
-		if ((dev = __dev_get_by_name(&init_net, ip_vs_backup_mcast_ifn)) == NULL)
+		dev = __dev_get_by_name(net, ipvs->backup_mcast_ifn);
+		if (!dev)
 			return -ENODEV;
 
-		sync_recv_mesg_maxlen = dev->mtu -
+		ipvs->recv_mesg_maxlen = dev->mtu -
 			sizeof(struct iphdr) - sizeof(struct udphdr);
 		IP_VS_DBG(7, "setting the maximum length of sync receiving "
-			  "message %d.\n", sync_recv_mesg_maxlen);
+			  "message %d.\n", ipvs->recv_mesg_maxlen);
 	}
 
 	return 0;
@@ -569,6 +1244,7 @@ static int set_sync_mesg_maxlen(int sync_state)
 static int
 join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
 {
+	struct net *net = sock_net(sk);
 	struct ip_mreqn mreq;
 	struct net_device *dev;
 	int ret;
@@ -576,7 +1252,8 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
 	memset(&mreq, 0, sizeof(mreq));
 	memcpy(&mreq.imr_multiaddr, addr, sizeof(struct in_addr));
 
-	if ((dev = __dev_get_by_name(&init_net, ifname)) == NULL)
+	dev = __dev_get_by_name(net, ifname);
+	if (!dev)
 		return -ENODEV;
 	if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if)
 		return -EINVAL;
@@ -593,11 +1270,13 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname)
 
 static int bind_mcastif_addr(struct socket *sock, char *ifname)
 {
+	struct net *net = sock_net(sock->sk);
 	struct net_device *dev;
 	__be32 addr;
 	struct sockaddr_in sin;
 
-	if ((dev = __dev_get_by_name(&init_net, ifname)) == NULL)
+	dev = __dev_get_by_name(net, ifname);
+	if (!dev)
 		return -ENODEV;
 
 	addr = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE);
@@ -619,8 +1298,9 @@ static int bind_mcastif_addr(struct socket *sock, char *ifname)
 /*
  *      Set up sending multicast socket over UDP
  */
-static struct socket * make_send_sock(void)
+static struct socket *make_send_sock(struct net *net)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct socket *sock;
 	int result;
 
@@ -631,7 +1311,7 @@ static struct socket * make_send_sock(void)
 		return ERR_PTR(result);
 	}
 
-	result = set_mcast_if(sock->sk, ip_vs_master_mcast_ifn);
+	result = set_mcast_if(sock->sk, ipvs->master_mcast_ifn);
 	if (result < 0) {
 		pr_err("Error setting outbound mcast interface\n");
 		goto error;
@@ -640,7 +1320,7 @@ static struct socket * make_send_sock(void)
 	set_mcast_loop(sock->sk, 0);
 	set_mcast_ttl(sock->sk, 1);
 
-	result = bind_mcastif_addr(sock, ip_vs_master_mcast_ifn);
+	result = bind_mcastif_addr(sock, ipvs->master_mcast_ifn);
 	if (result < 0) {
 		pr_err("Error binding address of the mcast interface\n");
 		goto error;
@@ -664,8 +1344,9 @@ static struct socket * make_send_sock(void)
 /*
  *      Set up receiving multicast socket over UDP
  */
-static struct socket * make_receive_sock(void)
+static struct socket *make_receive_sock(struct net *net)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct socket *sock;
 	int result;
 
@@ -689,7 +1370,7 @@ static struct socket * make_receive_sock(void)
 	/* join the multicast group */
 	result = join_mcast_group(sock->sk,
 			(struct in_addr *) &mcast_addr.sin_addr,
-			ip_vs_backup_mcast_ifn);
+			ipvs->backup_mcast_ifn);
 	if (result < 0) {
 		pr_err("Error joining to the multicast group\n");
 		goto error;
@@ -760,20 +1441,21 @@ ip_vs_receive(struct socket *sock, char *buffer, const size_t buflen)
 static int sync_thread_master(void *data)
 {
 	struct ip_vs_sync_thread_data *tinfo = data;
+	struct netns_ipvs *ipvs = net_ipvs(tinfo->net);
 	struct ip_vs_sync_buff *sb;
 
 	pr_info("sync thread started: state = MASTER, mcast_ifn = %s, "
 		"syncid = %d\n",
-		ip_vs_master_mcast_ifn, ip_vs_master_syncid);
+		ipvs->master_mcast_ifn, ipvs->master_syncid);
 
 	while (!kthread_should_stop()) {
-		while ((sb = sb_dequeue())) {
+		while ((sb = sb_dequeue(ipvs))) {
 			ip_vs_send_sync_msg(tinfo->sock, sb->mesg);
 			ip_vs_sync_buff_release(sb);
 		}
 
-		/* check if entries stay in curr_sb for 2 seconds */
-		sb = get_curr_sync_buff(2 * HZ);
+		/* check if entries stay in ipvs->sync_buff for 2 seconds */
+		sb = get_curr_sync_buff(ipvs, 2 * HZ);
 		if (sb) {
 			ip_vs_send_sync_msg(tinfo->sock, sb->mesg);
 			ip_vs_sync_buff_release(sb);
@@ -783,14 +1465,13 @@ static int sync_thread_master(void *data)
 	}
 
 	/* clean up the sync_buff queue */
-	while ((sb=sb_dequeue())) {
+	while ((sb = sb_dequeue(ipvs)))
 		ip_vs_sync_buff_release(sb);
-	}
 
 	/* clean up the current sync_buff */
-	if ((sb = get_curr_sync_buff(0))) {
+	sb = get_curr_sync_buff(ipvs, 0);
+	if (sb)
 		ip_vs_sync_buff_release(sb);
-	}
 
 	/* release the sending multicast socket */
 	sock_release(tinfo->sock);
@@ -803,11 +1484,12 @@ static int sync_thread_master(void *data)
 static int sync_thread_backup(void *data)
 {
 	struct ip_vs_sync_thread_data *tinfo = data;
+	struct netns_ipvs *ipvs = net_ipvs(tinfo->net);
 	int len;
 
 	pr_info("sync thread started: state = BACKUP, mcast_ifn = %s, "
 		"syncid = %d\n",
-		ip_vs_backup_mcast_ifn, ip_vs_backup_syncid);
+		ipvs->backup_mcast_ifn, ipvs->backup_syncid);
 
 	while (!kthread_should_stop()) {
 		wait_event_interruptible(*sk_sleep(tinfo->sock->sk),
@@ -817,7 +1499,7 @@ static int sync_thread_backup(void *data)
 		/* do we have data now? */
 		while (!skb_queue_empty(&(tinfo->sock->sk->sk_receive_queue))) {
 			len = ip_vs_receive(tinfo->sock, tinfo->buf,
-					sync_recv_mesg_maxlen);
+					ipvs->recv_mesg_maxlen);
 			if (len <= 0) {
 				pr_err("receiving message error\n");
 				break;
@@ -826,7 +1508,7 @@ static int sync_thread_backup(void *data)
 			/* disable bottom half, because it accesses the data
 			   shared by softirq while getting/creating conns */
 			local_bh_disable();
-			ip_vs_process_message(tinfo->buf, len);
+			ip_vs_process_message(tinfo->net, tinfo->buf, len);
 			local_bh_enable();
 		}
 	}
@@ -840,41 +1522,42 @@ static int sync_thread_backup(void *data)
 }
 
 
-int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
+int start_sync_thread(struct net *net, int state, char *mcast_ifn, __u8 syncid)
 {
 	struct ip_vs_sync_thread_data *tinfo;
 	struct task_struct **realtask, *task;
 	struct socket *sock;
+	struct netns_ipvs *ipvs = net_ipvs(net);
 	char *name, *buf = NULL;
 	int (*threadfn)(void *data);
 	int result = -ENOMEM;
 
 	IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current));
 	IP_VS_DBG(7, "Each ip_vs_sync_conn entry needs %Zd bytes\n",
-		  sizeof(struct ip_vs_sync_conn));
+		  sizeof(struct ip_vs_sync_conn_v0));
 
 	if (state == IP_VS_STATE_MASTER) {
-		if (sync_master_thread)
+		if (ipvs->master_thread)
 			return -EEXIST;
 
-		strlcpy(ip_vs_master_mcast_ifn, mcast_ifn,
-			sizeof(ip_vs_master_mcast_ifn));
-		ip_vs_master_syncid = syncid;
-		realtask = &sync_master_thread;
-		name = "ipvs_syncmaster";
+		strlcpy(ipvs->master_mcast_ifn, mcast_ifn,
+			sizeof(ipvs->master_mcast_ifn));
+		ipvs->master_syncid = syncid;
+		realtask = &ipvs->master_thread;
+		name = "ipvs_master:%d";
 		threadfn = sync_thread_master;
-		sock = make_send_sock();
+		sock = make_send_sock(net);
 	} else if (state == IP_VS_STATE_BACKUP) {
-		if (sync_backup_thread)
+		if (ipvs->backup_thread)
 			return -EEXIST;
 
-		strlcpy(ip_vs_backup_mcast_ifn, mcast_ifn,
-			sizeof(ip_vs_backup_mcast_ifn));
-		ip_vs_backup_syncid = syncid;
-		realtask = &sync_backup_thread;
-		name = "ipvs_syncbackup";
+		strlcpy(ipvs->backup_mcast_ifn, mcast_ifn,
+			sizeof(ipvs->backup_mcast_ifn));
+		ipvs->backup_syncid = syncid;
+		realtask = &ipvs->backup_thread;
+		name = "ipvs_backup:%d";
 		threadfn = sync_thread_backup;
-		sock = make_receive_sock();
+		sock = make_receive_sock(net);
 	} else {
 		return -EINVAL;
 	}
@@ -884,9 +1567,9 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
 		goto out;
 	}
 
-	set_sync_mesg_maxlen(state);
+	set_sync_mesg_maxlen(net, state);
 	if (state == IP_VS_STATE_BACKUP) {
-		buf = kmalloc(sync_recv_mesg_maxlen, GFP_KERNEL);
+		buf = kmalloc(ipvs->recv_mesg_maxlen, GFP_KERNEL);
 		if (!buf)
 			goto outsocket;
 	}
@@ -895,10 +1578,11 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
 	if (!tinfo)
 		goto outbuf;
 
+	tinfo->net = net;
 	tinfo->sock = sock;
 	tinfo->buf = buf;
 
-	task = kthread_run(threadfn, tinfo, name);
+	task = kthread_run(threadfn, tinfo, name, ipvs->gen);
 	if (IS_ERR(task)) {
 		result = PTR_ERR(task);
 		goto outtinfo;
@@ -906,7 +1590,7 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
 
 	/* mark as active */
 	*realtask = task;
-	ip_vs_sync_state |= state;
+	ipvs->sync_state |= state;
 
 	/* increase the module use count */
 	ip_vs_use_count_inc();
@@ -924,16 +1608,18 @@ out:
 }
 
 
-int stop_sync_thread(int state)
+int stop_sync_thread(struct net *net, int state)
 {
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
 	IP_VS_DBG(7, "%s(): pid %d\n", __func__, task_pid_nr(current));
 
 	if (state == IP_VS_STATE_MASTER) {
-		if (!sync_master_thread)
+		if (!ipvs->master_thread)
 			return -ESRCH;
 
 		pr_info("stopping master sync thread %d ...\n",
-			task_pid_nr(sync_master_thread));
+			task_pid_nr(ipvs->master_thread));
 
 		/*
 		 * The lock synchronizes with sb_queue_tail(), so that we don't
@@ -941,21 +1627,21 @@ int stop_sync_thread(int state)
 		 * progress of stopping the master sync daemon.
 		 */
 
-		spin_lock_bh(&ip_vs_sync_lock);
-		ip_vs_sync_state &= ~IP_VS_STATE_MASTER;
-		spin_unlock_bh(&ip_vs_sync_lock);
-		kthread_stop(sync_master_thread);
-		sync_master_thread = NULL;
+		spin_lock_bh(&ipvs->sync_lock);
+		ipvs->sync_state &= ~IP_VS_STATE_MASTER;
+		spin_unlock_bh(&ipvs->sync_lock);
+		kthread_stop(ipvs->master_thread);
+		ipvs->master_thread = NULL;
 	} else if (state == IP_VS_STATE_BACKUP) {
-		if (!sync_backup_thread)
+		if (!ipvs->backup_thread)
 			return -ESRCH;
 
 		pr_info("stopping backup sync thread %d ...\n",
-			task_pid_nr(sync_backup_thread));
+			task_pid_nr(ipvs->backup_thread));
 
-		ip_vs_sync_state &= ~IP_VS_STATE_BACKUP;
-		kthread_stop(sync_backup_thread);
-		sync_backup_thread = NULL;
+		ipvs->sync_state &= ~IP_VS_STATE_BACKUP;
+		kthread_stop(ipvs->backup_thread);
+		ipvs->backup_thread = NULL;
 	} else {
 		return -EINVAL;
 	}
@@ -965,3 +1651,42 @@ int stop_sync_thread(int state)
 
 	return 0;
 }
+
+/*
+ * Initialize data struct for each netns
+ */
+static int __net_init __ip_vs_sync_init(struct net *net)
+{
+	struct netns_ipvs *ipvs = net_ipvs(net);
+
+	INIT_LIST_HEAD(&ipvs->sync_queue);
+	spin_lock_init(&ipvs->sync_lock);
+	spin_lock_init(&ipvs->sync_buff_lock);
+
+	ipvs->sync_mcast_addr.sin_family = AF_INET;
+	ipvs->sync_mcast_addr.sin_port = cpu_to_be16(IP_VS_SYNC_PORT);
+	ipvs->sync_mcast_addr.sin_addr.s_addr = cpu_to_be32(IP_VS_SYNC_GROUP);
+	return 0;
+}
+
+static void __ip_vs_sync_cleanup(struct net *net)
+{
+	stop_sync_thread(net, IP_VS_STATE_MASTER);
+	stop_sync_thread(net, IP_VS_STATE_BACKUP);
+}
+
+static struct pernet_operations ipvs_sync_ops = {
+	.init = __ip_vs_sync_init,
+	.exit = __ip_vs_sync_cleanup,
+};
+
+
+int __init ip_vs_sync_init(void)
+{
+	return register_pernet_subsys(&ipvs_sync_ops);
+}
+
+void __exit ip_vs_sync_cleanup(void)
+{
+	unregister_pernet_subsys(&ipvs_sync_ops);
+}
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index 5325a3fbe4ac..1f2a4e35fb11 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -175,7 +175,6 @@ __ip_vs_reroute_locally(struct sk_buff *skb)
 			.fl4_tos = RT_TOS(iph->tos),
 			.mark = skb->mark,
 		};
-		struct rtable *rt;
 
 		if (ip_route_output_key(net, &rt, &fl))
 			return 0;
@@ -390,7 +389,8 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* MTU checking */
 	mtu = dst_mtu(&rt->dst);
-	if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) {
+	if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF)) &&
+	    !skb_is_gso(skb)) {
 		ip_rt_put(rt);
 		icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
@@ -443,7 +443,7 @@ ip_vs_bypass_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* MTU checking */
 	mtu = dst_mtu(&rt->dst);
-	if (skb->len > mtu) {
+	if (skb->len > mtu && !skb_is_gso(skb)) {
 		if (!skb->dev) {
 			struct net *net = dev_net(skb_dst(skb)->dev);
 
@@ -543,7 +543,8 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* MTU checking */
 	mtu = dst_mtu(&rt->dst);
-	if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF))) {
+	if ((skb->len > mtu) && (iph->frag_off & htons(IP_DF)) &&
+	    !skb_is_gso(skb)) {
 		icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
 		IP_VS_DBG_RL_PKT(0, AF_INET, pp, skb, 0,
 				 "ip_vs_nat_xmit(): frag needed for");
@@ -658,7 +659,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* MTU checking */
 	mtu = dst_mtu(&rt->dst);
-	if (skb->len > mtu) {
+	if (skb->len > mtu && !skb_is_gso(skb)) {
 		if (!skb->dev) {
 			struct net *net = dev_net(skb_dst(skb)->dev);
 
@@ -773,8 +774,8 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	df |= (old_iph->frag_off & htons(IP_DF));
 
-	if ((old_iph->frag_off & htons(IP_DF))
-	    && mtu < ntohs(old_iph->tot_len)) {
+	if ((old_iph->frag_off & htons(IP_DF) &&
+	    mtu < ntohs(old_iph->tot_len) && !skb_is_gso(skb))) {
 		icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
 		goto tx_error_put;
@@ -886,7 +887,8 @@ ip_vs_tunnel_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	if (skb_dst(skb))
 		skb_dst(skb)->ops->update_pmtu(skb_dst(skb), mtu);
 
-	if (mtu < ntohs(old_iph->payload_len) + sizeof(struct ipv6hdr)) {
+	if (mtu < ntohs(old_iph->payload_len) + sizeof(struct ipv6hdr) &&
+	    !skb_is_gso(skb)) {
 		if (!skb->dev) {
 			struct net *net = dev_net(skb_dst(skb)->dev);
 
@@ -991,7 +993,8 @@ ip_vs_dr_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* MTU checking */
 	mtu = dst_mtu(&rt->dst);
-	if ((iph->frag_off & htons(IP_DF)) && skb->len > mtu) {
+	if ((iph->frag_off & htons(IP_DF)) && skb->len > mtu &&
+	    !skb_is_gso(skb)) {
 		icmp_send(skb, ICMP_DEST_UNREACH,ICMP_FRAG_NEEDED, htonl(mtu));
 		ip_rt_put(rt);
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
@@ -1158,7 +1161,8 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* MTU checking */
 	mtu = dst_mtu(&rt->dst);
-	if ((skb->len > mtu) && (ip_hdr(skb)->frag_off & htons(IP_DF))) {
+	if ((skb->len > mtu) && (ip_hdr(skb)->frag_off & htons(IP_DF)) &&
+	    !skb_is_gso(skb)) {
 		icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu));
 		IP_VS_DBG_RL("%s(): frag needed\n", __func__);
 		goto tx_error_put;
@@ -1272,7 +1276,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	/* MTU checking */
 	mtu = dst_mtu(&rt->dst);
-	if (skb->len > mtu) {
+	if (skb->len > mtu && !skb_is_gso(skb)) {
 		if (!skb->dev) {
 			struct net *net = dev_net(skb_dst(skb)->dev);
 
diff --git a/net/netfilter/nf_conntrack_broadcast.c b/net/netfilter/nf_conntrack_broadcast.c
new file mode 100644
index 000000000000..4e99cca61612
--- /dev/null
+++ b/net/netfilter/nf_conntrack_broadcast.c
@@ -0,0 +1,82 @@
+/*
+ *      broadcast connection tracking helper
+ *
+ *      (c) 2005 Patrick McHardy <kaber@trash.net>
+ *
+ *      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
+ *      2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/ip.h>
+#include <net/route.h>
+#include <linux/inetdevice.h>
+#include <linux/skbuff.h>
+
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_helper.h>
+#include <net/netfilter/nf_conntrack_expect.h>
+
+int nf_conntrack_broadcast_help(struct sk_buff *skb,
+				unsigned int protoff,
+				struct nf_conn *ct,
+				enum ip_conntrack_info ctinfo,
+				unsigned int timeout)
+{
+	struct nf_conntrack_expect *exp;
+	struct iphdr *iph = ip_hdr(skb);
+	struct rtable *rt = skb_rtable(skb);
+	struct in_device *in_dev;
+	struct nf_conn_help *help = nfct_help(ct);
+	__be32 mask = 0;
+
+	/* we're only interested in locally generated packets */
+	if (skb->sk == NULL)
+		goto out;
+	if (rt == NULL || !(rt->rt_flags & RTCF_BROADCAST))
+		goto out;
+	if (CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL)
+		goto out;
+
+	rcu_read_lock();
+	in_dev = __in_dev_get_rcu(rt->dst.dev);
+	if (in_dev != NULL) {
+		for_primary_ifa(in_dev) {
+			if (ifa->ifa_broadcast == iph->daddr) {
+				mask = ifa->ifa_mask;
+				break;
+			}
+		} endfor_ifa(in_dev);
+	}
+	rcu_read_unlock();
+
+	if (mask == 0)
+		goto out;
+
+	exp = nf_ct_expect_alloc(ct);
+	if (exp == NULL)
+		goto out;
+
+	exp->tuple                = ct->tuplehash[IP_CT_DIR_REPLY].tuple;
+	exp->tuple.src.u.udp.port = help->helper->tuple.src.u.udp.port;
+
+	exp->mask.src.u3.ip       = mask;
+	exp->mask.src.u.udp.port  = htons(0xFFFF);
+
+	exp->expectfn             = NULL;
+	exp->flags                = NF_CT_EXPECT_PERMANENT;
+	exp->class		  = NF_CT_EXPECT_CLASS_DEFAULT;
+	exp->helper               = NULL;
+
+	nf_ct_expect_related(exp);
+	nf_ct_expect_put(exp);
+
+	nf_ct_refresh(ct, skb, timeout * HZ);
+out:
+	return NF_ACCEPT;
+}
+EXPORT_SYMBOL_GPL(nf_conntrack_broadcast_help);
+
+MODULE_LICENSE("GPL");
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index e61511929c66..1909311c392a 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -43,6 +43,7 @@
 #include <net/netfilter/nf_conntrack_acct.h>
 #include <net/netfilter/nf_conntrack_ecache.h>
 #include <net/netfilter/nf_conntrack_zones.h>
+#include <net/netfilter/nf_conntrack_timestamp.h>
 #include <net/netfilter/nf_nat.h>
 #include <net/netfilter/nf_nat_core.h>
 
@@ -282,6 +283,11 @@ EXPORT_SYMBOL_GPL(nf_ct_insert_dying_list);
 static void death_by_timeout(unsigned long ul_conntrack)
 {
 	struct nf_conn *ct = (void *)ul_conntrack;
+	struct nf_conn_tstamp *tstamp;
+
+	tstamp = nf_conn_tstamp_find(ct);
+	if (tstamp && tstamp->stop == 0)
+		tstamp->stop = ktime_to_ns(ktime_get_real());
 
 	if (!test_bit(IPS_DYING_BIT, &ct->status) &&
 	    unlikely(nf_conntrack_event(IPCT_DESTROY, ct) < 0)) {
@@ -419,6 +425,7 @@ __nf_conntrack_confirm(struct sk_buff *skb)
 	struct nf_conntrack_tuple_hash *h;
 	struct nf_conn *ct;
 	struct nf_conn_help *help;
+	struct nf_conn_tstamp *tstamp;
 	struct hlist_nulls_node *n;
 	enum ip_conntrack_info ctinfo;
 	struct net *net;
@@ -486,8 +493,16 @@ __nf_conntrack_confirm(struct sk_buff *skb)
 	ct->timeout.expires += jiffies;
 	add_timer(&ct->timeout);
 	atomic_inc(&ct->ct_general.use);
-	set_bit(IPS_CONFIRMED_BIT, &ct->status);
+	ct->status |= IPS_CONFIRMED;
+
+	/* set conntrack timestamp, if enabled. */
+	tstamp = nf_conn_tstamp_find(ct);
+	if (tstamp) {
+		if (skb->tstamp.tv64 == 0)
+			__net_timestamp((struct sk_buff *)skb);
 
+		tstamp->start = ktime_to_ns(skb->tstamp);
+	}
 	/* Since the lookup is lockless, hash insertion must be done after
 	 * starting the timer and setting the CONFIRMED bit. The RCU barriers
 	 * guarantee that no other CPU can find the conntrack before the above
@@ -655,7 +670,8 @@ __nf_conntrack_alloc(struct net *net, u16 zone,
 	 * and ct->tuplehash[IP_CT_DIR_REPLY].hnnode.next unchanged.
 	 */
 	memset(&ct->tuplehash[IP_CT_DIR_MAX], 0,
-	       sizeof(*ct) - offsetof(struct nf_conn, tuplehash[IP_CT_DIR_MAX]));
+	       offsetof(struct nf_conn, proto) -
+	       offsetof(struct nf_conn, tuplehash[IP_CT_DIR_MAX]));
 	spin_lock_init(&ct->lock);
 	ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple = *orig;
 	ct->tuplehash[IP_CT_DIR_ORIGINAL].hnnode.pprev = NULL;
@@ -745,6 +761,7 @@ init_conntrack(struct net *net, struct nf_conn *tmpl,
 	}
 
 	nf_ct_acct_ext_add(ct, GFP_ATOMIC);
+	nf_ct_tstamp_ext_add(ct, GFP_ATOMIC);
 
 	ecache = tmpl ? nf_ct_ecache_find(tmpl) : NULL;
 	nf_ct_ecache_ext_add(ct, ecache ? ecache->ctmask : 0,
@@ -1185,6 +1202,11 @@ struct __nf_ct_flush_report {
 static int kill_report(struct nf_conn *i, void *data)
 {
 	struct __nf_ct_flush_report *fr = (struct __nf_ct_flush_report *)data;
+	struct nf_conn_tstamp *tstamp;
+
+	tstamp = nf_conn_tstamp_find(i);
+	if (tstamp && tstamp->stop == 0)
+		tstamp->stop = ktime_to_ns(ktime_get_real());
 
 	/* If we fail to deliver the event, death_by_timeout() will retry */
 	if (nf_conntrack_event_report(IPCT_DESTROY, i,
@@ -1201,9 +1223,9 @@ static int kill_all(struct nf_conn *i, void *data)
 	return 1;
 }
 
-void nf_ct_free_hashtable(void *hash, int vmalloced, unsigned int size)
+void nf_ct_free_hashtable(void *hash, unsigned int size)
 {
-	if (vmalloced)
+	if (is_vmalloc_addr(hash))
 		vfree(hash);
 	else
 		free_pages((unsigned long)hash,
@@ -1270,8 +1292,7 @@ static void nf_conntrack_cleanup_net(struct net *net)
 		goto i_see_dead_people;
 	}
 
-	nf_ct_free_hashtable(net->ct.hash, net->ct.hash_vmalloc,
-			     net->ct.htable_size);
+	nf_ct_free_hashtable(net->ct.hash, net->ct.htable_size);
 	nf_conntrack_ecache_fini(net);
 	nf_conntrack_acct_fini(net);
 	nf_conntrack_expect_fini(net);
@@ -1300,21 +1321,18 @@ void nf_conntrack_cleanup(struct net *net)
 	}
 }
 
-void *nf_ct_alloc_hashtable(unsigned int *sizep, int *vmalloced, int nulls)
+void *nf_ct_alloc_hashtable(unsigned int *sizep, int nulls)
 {
 	struct hlist_nulls_head *hash;
 	unsigned int nr_slots, i;
 	size_t sz;
 
-	*vmalloced = 0;
-
 	BUILD_BUG_ON(sizeof(struct hlist_nulls_head) != sizeof(struct hlist_head));
 	nr_slots = *sizep = roundup(*sizep, PAGE_SIZE / sizeof(struct hlist_nulls_head));
 	sz = nr_slots * sizeof(struct hlist_nulls_head);
 	hash = (void *)__get_free_pages(GFP_KERNEL | __GFP_NOWARN | __GFP_ZERO,
 					get_order(sz));
 	if (!hash) {
-		*vmalloced = 1;
 		printk(KERN_WARNING "nf_conntrack: falling back to vmalloc.\n");
 		hash = __vmalloc(sz, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO,
 				 PAGE_KERNEL);
@@ -1330,7 +1348,7 @@ EXPORT_SYMBOL_GPL(nf_ct_alloc_hashtable);
 
 int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
 {
-	int i, bucket, vmalloced, old_vmalloced;
+	int i, bucket;
 	unsigned int hashsize, old_size;
 	struct hlist_nulls_head *hash, *old_hash;
 	struct nf_conntrack_tuple_hash *h;
@@ -1347,7 +1365,7 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
 	if (!hashsize)
 		return -EINVAL;
 
-	hash = nf_ct_alloc_hashtable(&hashsize, &vmalloced, 1);
+	hash = nf_ct_alloc_hashtable(&hashsize, 1);
 	if (!hash)
 		return -ENOMEM;
 
@@ -1369,15 +1387,13 @@ int nf_conntrack_set_hashsize(const char *val, struct kernel_param *kp)
 		}
 	}
 	old_size = init_net.ct.htable_size;
-	old_vmalloced = init_net.ct.hash_vmalloc;
 	old_hash = init_net.ct.hash;
 
 	init_net.ct.htable_size = nf_conntrack_htable_size = hashsize;
-	init_net.ct.hash_vmalloc = vmalloced;
 	init_net.ct.hash = hash;
 	spin_unlock_bh(&nf_conntrack_lock);
 
-	nf_ct_free_hashtable(old_hash, old_vmalloced, old_size);
+	nf_ct_free_hashtable(old_hash, old_size);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(nf_conntrack_set_hashsize);
@@ -1490,8 +1506,7 @@ static int nf_conntrack_init_net(struct net *net)
 	}
 
 	net->ct.htable_size = nf_conntrack_htable_size;
-	net->ct.hash = nf_ct_alloc_hashtable(&net->ct.htable_size,
-					     &net->ct.hash_vmalloc, 1);
+	net->ct.hash = nf_ct_alloc_hashtable(&net->ct.htable_size, 1);
 	if (!net->ct.hash) {
 		ret = -ENOMEM;
 		printk(KERN_ERR "Unable to create nf_conntrack_hash\n");
@@ -1503,6 +1518,9 @@ static int nf_conntrack_init_net(struct net *net)
 	ret = nf_conntrack_acct_init(net);
 	if (ret < 0)
 		goto err_acct;
+	ret = nf_conntrack_tstamp_init(net);
+	if (ret < 0)
+		goto err_tstamp;
 	ret = nf_conntrack_ecache_init(net);
 	if (ret < 0)
 		goto err_ecache;
@@ -1510,12 +1528,13 @@ static int nf_conntrack_init_net(struct net *net)
 	return 0;
 
 err_ecache:
+	nf_conntrack_tstamp_fini(net);
+err_tstamp:
 	nf_conntrack_acct_fini(net);
 err_acct:
 	nf_conntrack_expect_fini(net);
 err_expect:
-	nf_ct_free_hashtable(net->ct.hash, net->ct.hash_vmalloc,
-			     net->ct.htable_size);
+	nf_ct_free_hashtable(net->ct.hash, net->ct.htable_size);
 err_hash:
 	kmem_cache_destroy(net->ct.nf_conntrack_cachep);
 err_cache:
diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c
index a20fb0bd1efe..cd1e8e0970f2 100644
--- a/net/netfilter/nf_conntrack_expect.c
+++ b/net/netfilter/nf_conntrack_expect.c
@@ -319,7 +319,8 @@ static void nf_ct_expect_insert(struct nf_conntrack_expect *exp)
 	const struct nf_conntrack_expect_policy *p;
 	unsigned int h = nf_ct_expect_dst_hash(&exp->tuple);
 
-	atomic_inc(&exp->use);
+	/* two references : one for hash insert, one for the timer */
+	atomic_add(2, &exp->use);
 
 	if (master_help) {
 		hlist_add_head(&exp->lnode, &master_help->expectations);
@@ -333,12 +334,14 @@ static void nf_ct_expect_insert(struct nf_conntrack_expect *exp)
 	setup_timer(&exp->timeout, nf_ct_expectation_timed_out,
 		    (unsigned long)exp);
 	if (master_help) {
-		p = &master_help->helper->expect_policy[exp->class];
+		p = &rcu_dereference_protected(
+				master_help->helper,
+				lockdep_is_held(&nf_conntrack_lock)
+				)->expect_policy[exp->class];
 		exp->timeout.expires = jiffies + p->timeout * HZ;
 	}
 	add_timer(&exp->timeout);
 
-	atomic_inc(&exp->use);
 	NF_CT_STAT_INC(net, expect_create);
 }
 
@@ -369,7 +372,10 @@ static inline int refresh_timer(struct nf_conntrack_expect *i)
 	if (!del_timer(&i->timeout))
 		return 0;
 
-	p = &master_help->helper->expect_policy[i->class];
+	p = &rcu_dereference_protected(
+		master_help->helper,
+		lockdep_is_held(&nf_conntrack_lock)
+		)->expect_policy[i->class];
 	i->timeout.expires = jiffies + p->timeout * HZ;
 	add_timer(&i->timeout);
 	return 1;
@@ -407,7 +413,10 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect)
 	}
 	/* Will be over limit? */
 	if (master_help) {
-		p = &master_help->helper->expect_policy[expect->class];
+		p = &rcu_dereference_protected(
+			master_help->helper,
+			lockdep_is_held(&nf_conntrack_lock)
+			)->expect_policy[expect->class];
 		if (p->max_expected &&
 		    master_help->expecting[expect->class] >= p->max_expected) {
 			evict_oldest_expect(master, expect);
@@ -478,7 +487,7 @@ static struct hlist_node *ct_expect_get_first(struct seq_file *seq)
 	struct hlist_node *n;
 
 	for (st->bucket = 0; st->bucket < nf_ct_expect_hsize; st->bucket++) {
-		n = rcu_dereference(net->ct.expect_hash[st->bucket].first);
+		n = rcu_dereference(hlist_first_rcu(&net->ct.expect_hash[st->bucket]));
 		if (n)
 			return n;
 	}
@@ -491,11 +500,11 @@ static struct hlist_node *ct_expect_get_next(struct seq_file *seq,
 	struct net *net = seq_file_net(seq);
 	struct ct_expect_iter_state *st = seq->private;
 
-	head = rcu_dereference(head->next);
+	head = rcu_dereference(hlist_next_rcu(head));
 	while (head == NULL) {
 		if (++st->bucket >= nf_ct_expect_hsize)
 			return NULL;
-		head = rcu_dereference(net->ct.expect_hash[st->bucket].first);
+		head = rcu_dereference(hlist_first_rcu(&net->ct.expect_hash[st->bucket]));
 	}
 	return head;
 }
@@ -630,8 +639,7 @@ int nf_conntrack_expect_init(struct net *net)
 	}
 
 	net->ct.expect_count = 0;
-	net->ct.expect_hash = nf_ct_alloc_hashtable(&nf_ct_expect_hsize,
-						  &net->ct.expect_vmalloc, 0);
+	net->ct.expect_hash = nf_ct_alloc_hashtable(&nf_ct_expect_hsize, 0);
 	if (net->ct.expect_hash == NULL)
 		goto err1;
 
@@ -653,8 +661,7 @@ err3:
 	if (net_eq(net, &init_net))
 		kmem_cache_destroy(nf_ct_expect_cachep);
 err2:
-	nf_ct_free_hashtable(net->ct.expect_hash, net->ct.expect_vmalloc,
-			     nf_ct_expect_hsize);
+	nf_ct_free_hashtable(net->ct.expect_hash, nf_ct_expect_hsize);
 err1:
 	return err;
 }
@@ -666,6 +673,5 @@ void nf_conntrack_expect_fini(struct net *net)
 		rcu_barrier(); /* Wait for call_rcu() before destroy */
 		kmem_cache_destroy(nf_ct_expect_cachep);
 	}
-	nf_ct_free_hashtable(net->ct.expect_hash, net->ct.expect_vmalloc,
-			     nf_ct_expect_hsize);
+	nf_ct_free_hashtable(net->ct.expect_hash, nf_ct_expect_hsize);
 }
diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index bd82450c193f..80a23ed62bb0 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -140,15 +140,16 @@ static void update_alloc_size(struct nf_ct_ext_type *type)
 	/* This assumes that extended areas in conntrack for the types
 	   whose NF_CT_EXT_F_PREALLOC bit set are allocated in order */
 	for (i = min; i <= max; i++) {
-		t1 = nf_ct_ext_types[i];
+		t1 = rcu_dereference_protected(nf_ct_ext_types[i],
+				lockdep_is_held(&nf_ct_ext_type_mutex));
 		if (!t1)
 			continue;
 
-		t1->alloc_size = sizeof(struct nf_ct_ext)
-				 + ALIGN(sizeof(struct nf_ct_ext), t1->align)
-				 + t1->len;
+		t1->alloc_size = ALIGN(sizeof(struct nf_ct_ext), t1->align) +
+				 t1->len;
 		for (j = 0; j < NF_CT_EXT_NUM; j++) {
-			t2 = nf_ct_ext_types[j];
+			t2 = rcu_dereference_protected(nf_ct_ext_types[j],
+				lockdep_is_held(&nf_ct_ext_type_mutex));
 			if (t2 == NULL || t2 == t1 ||
 			    (t2->flags & NF_CT_EXT_F_PREALLOC) == 0)
 				continue;
diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c
index 59e1a4cd4e8b..1bdfea357955 100644
--- a/net/netfilter/nf_conntrack_helper.c
+++ b/net/netfilter/nf_conntrack_helper.c
@@ -33,7 +33,6 @@ static DEFINE_MUTEX(nf_ct_helper_mutex);
 static struct hlist_head *nf_ct_helper_hash __read_mostly;
 static unsigned int nf_ct_helper_hsize __read_mostly;
 static unsigned int nf_ct_helper_count __read_mostly;
-static int nf_ct_helper_vmalloc;
 
 
 /* Stupid hash, but collision free for the default registrations of the
@@ -158,7 +157,10 @@ static inline int unhelp(struct nf_conntrack_tuple_hash *i,
 	struct nf_conn *ct = nf_ct_tuplehash_to_ctrack(i);
 	struct nf_conn_help *help = nfct_help(ct);
 
-	if (help && help->helper == me) {
+	if (help && rcu_dereference_protected(
+			help->helper,
+			lockdep_is_held(&nf_conntrack_lock)
+			) == me) {
 		nf_conntrack_event(IPCT_HELPER, ct);
 		rcu_assign_pointer(help->helper, NULL);
 	}
@@ -210,7 +212,10 @@ static void __nf_conntrack_helper_unregister(struct nf_conntrack_helper *me,
 		hlist_for_each_entry_safe(exp, n, next,
 					  &net->ct.expect_hash[i], hnode) {
 			struct nf_conn_help *help = nfct_help(exp->master);
-			if ((help->helper == me || exp->helper == me) &&
+			if ((rcu_dereference_protected(
+					help->helper,
+					lockdep_is_held(&nf_conntrack_lock)
+					) == me || exp->helper == me) &&
 			    del_timer(&exp->timeout)) {
 				nf_ct_unlink_expect(exp);
 				nf_ct_expect_put(exp);
@@ -261,8 +266,7 @@ int nf_conntrack_helper_init(void)
 	int err;
 
 	nf_ct_helper_hsize = 1; /* gets rounded up to use one page */
-	nf_ct_helper_hash = nf_ct_alloc_hashtable(&nf_ct_helper_hsize,
-						  &nf_ct_helper_vmalloc, 0);
+	nf_ct_helper_hash = nf_ct_alloc_hashtable(&nf_ct_helper_hsize, 0);
 	if (!nf_ct_helper_hash)
 		return -ENOMEM;
 
@@ -273,14 +277,12 @@ int nf_conntrack_helper_init(void)
 	return 0;
 
 err1:
-	nf_ct_free_hashtable(nf_ct_helper_hash, nf_ct_helper_vmalloc,
-			     nf_ct_helper_hsize);
+	nf_ct_free_hashtable(nf_ct_helper_hash, nf_ct_helper_hsize);
 	return err;
 }
 
 void nf_conntrack_helper_fini(void)
 {
 	nf_ct_extend_unregister(&helper_extend);
-	nf_ct_free_hashtable(nf_ct_helper_hash, nf_ct_helper_vmalloc,
-			     nf_ct_helper_hsize);
+	nf_ct_free_hashtable(nf_ct_helper_hash, nf_ct_helper_hsize);
 }
diff --git a/net/netfilter/nf_conntrack_netbios_ns.c b/net/netfilter/nf_conntrack_netbios_ns.c
index aadde018a072..4c8f30a3d6d2 100644
--- a/net/netfilter/nf_conntrack_netbios_ns.c
+++ b/net/netfilter/nf_conntrack_netbios_ns.c
@@ -18,14 +18,7 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/inetdevice.h>
-#include <linux/if_addr.h>
 #include <linux/in.h>
-#include <linux/ip.h>
-#include <linux/netfilter.h>
-#include <net/route.h>
 
 #include <net/netfilter/nf_conntrack.h>
 #include <net/netfilter/nf_conntrack_helper.h>
@@ -40,75 +33,26 @@ MODULE_ALIAS("ip_conntrack_netbios_ns");
 MODULE_ALIAS_NFCT_HELPER("netbios_ns");
 
 static unsigned int timeout __read_mostly = 3;
-module_param(timeout, uint, 0400);
+module_param(timeout, uint, S_IRUSR);
 MODULE_PARM_DESC(timeout, "timeout for master connection/replies in seconds");
 
-static int help(struct sk_buff *skb, unsigned int protoff,
-		struct nf_conn *ct, enum ip_conntrack_info ctinfo)
-{
-	struct nf_conntrack_expect *exp;
-	struct iphdr *iph = ip_hdr(skb);
-	struct rtable *rt = skb_rtable(skb);
-	struct in_device *in_dev;
-	__be32 mask = 0;
-
-	/* we're only interested in locally generated packets */
-	if (skb->sk == NULL)
-		goto out;
-	if (rt == NULL || !(rt->rt_flags & RTCF_BROADCAST))
-		goto out;
-	if (CTINFO2DIR(ctinfo) != IP_CT_DIR_ORIGINAL)
-		goto out;
-
-	rcu_read_lock();
-	in_dev = __in_dev_get_rcu(rt->dst.dev);
-	if (in_dev != NULL) {
-		for_primary_ifa(in_dev) {
-			if (ifa->ifa_broadcast == iph->daddr) {
-				mask = ifa->ifa_mask;
-				break;
-			}
-		} endfor_ifa(in_dev);
-	}
-	rcu_read_unlock();
-
-	if (mask == 0)
-		goto out;
-
-	exp = nf_ct_expect_alloc(ct);
-	if (exp == NULL)
-		goto out;
-
-	exp->tuple                = ct->tuplehash[IP_CT_DIR_REPLY].tuple;
-	exp->tuple.src.u.udp.port = htons(NMBD_PORT);
-
-	exp->mask.src.u3.ip       = mask;
-	exp->mask.src.u.udp.port  = htons(0xFFFF);
-
-	exp->expectfn             = NULL;
-	exp->flags                = NF_CT_EXPECT_PERMANENT;
-	exp->class		  = NF_CT_EXPECT_CLASS_DEFAULT;
-	exp->helper               = NULL;
-
-	nf_ct_expect_related(exp);
-	nf_ct_expect_put(exp);
-
-	nf_ct_refresh(ct, skb, timeout * HZ);
-out:
-	return NF_ACCEPT;
-}
-
 static struct nf_conntrack_expect_policy exp_policy = {
 	.max_expected	= 1,
 };
 
+static int netbios_ns_help(struct sk_buff *skb, unsigned int protoff,
+		   struct nf_conn *ct, enum ip_conntrack_info ctinfo)
+{
+	return nf_conntrack_broadcast_help(skb, protoff, ct, ctinfo, timeout);
+}
+
 static struct nf_conntrack_helper helper __read_mostly = {
 	.name			= "netbios-ns",
-	.tuple.src.l3num	= AF_INET,
+	.tuple.src.l3num	= NFPROTO_IPV4,
 	.tuple.src.u.udp.port	= cpu_to_be16(NMBD_PORT),
 	.tuple.dst.protonum	= IPPROTO_UDP,
 	.me			= THIS_MODULE,
-	.help			= help,
+	.help			= netbios_ns_help,
 	.expect_policy		= &exp_policy,
 };
 
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 2b7eef37875c..61c73945bb94 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -42,6 +42,7 @@
 #include <net/netfilter/nf_conntrack_tuple.h>
 #include <net/netfilter/nf_conntrack_acct.h>
 #include <net/netfilter/nf_conntrack_zones.h>
+#include <net/netfilter/nf_conntrack_timestamp.h>
 #ifdef CONFIG_NF_NAT_NEEDED
 #include <net/netfilter/nf_nat_core.h>
 #include <net/netfilter/nf_nat_protocol.h>
@@ -230,6 +231,33 @@ nla_put_failure:
 	return -1;
 }
 
+static int
+ctnetlink_dump_timestamp(struct sk_buff *skb, const struct nf_conn *ct)
+{
+	struct nlattr *nest_count;
+	const struct nf_conn_tstamp *tstamp;
+
+	tstamp = nf_conn_tstamp_find(ct);
+	if (!tstamp)
+		return 0;
+
+	nest_count = nla_nest_start(skb, CTA_TIMESTAMP | NLA_F_NESTED);
+	if (!nest_count)
+		goto nla_put_failure;
+
+	NLA_PUT_BE64(skb, CTA_TIMESTAMP_START, cpu_to_be64(tstamp->start));
+	if (tstamp->stop != 0) {
+		NLA_PUT_BE64(skb, CTA_TIMESTAMP_STOP,
+			     cpu_to_be64(tstamp->stop));
+	}
+	nla_nest_end(skb, nest_count);
+
+	return 0;
+
+nla_put_failure:
+	return -1;
+}
+
 #ifdef CONFIG_NF_CONNTRACK_MARK
 static inline int
 ctnetlink_dump_mark(struct sk_buff *skb, const struct nf_conn *ct)
@@ -404,6 +432,7 @@ ctnetlink_fill_info(struct sk_buff *skb, u32 pid, u32 seq,
 	    ctnetlink_dump_timeout(skb, ct) < 0 ||
 	    ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
 	    ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0 ||
+	    ctnetlink_dump_timestamp(skb, ct) < 0 ||
 	    ctnetlink_dump_protoinfo(skb, ct) < 0 ||
 	    ctnetlink_dump_helpinfo(skb, ct) < 0 ||
 	    ctnetlink_dump_mark(skb, ct) < 0 ||
@@ -471,6 +500,18 @@ ctnetlink_secctx_size(const struct nf_conn *ct)
 }
 
 static inline size_t
+ctnetlink_timestamp_size(const struct nf_conn *ct)
+{
+#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
+	if (!nf_ct_ext_exist(ct, NF_CT_EXT_TSTAMP))
+		return 0;
+	return nla_total_size(0) + 2 * nla_total_size(sizeof(uint64_t));
+#else
+	return 0;
+#endif
+}
+
+static inline size_t
 ctnetlink_nlmsg_size(const struct nf_conn *ct)
 {
 	return NLMSG_ALIGN(sizeof(struct nfgenmsg))
@@ -481,6 +522,7 @@ ctnetlink_nlmsg_size(const struct nf_conn *ct)
 	       + nla_total_size(sizeof(u_int32_t)) /* CTA_ID */
 	       + nla_total_size(sizeof(u_int32_t)) /* CTA_STATUS */
 	       + ctnetlink_counters_size(ct)
+	       + ctnetlink_timestamp_size(ct)
 	       + nla_total_size(sizeof(u_int32_t)) /* CTA_TIMEOUT */
 	       + nla_total_size(0) /* CTA_PROTOINFO */
 	       + nla_total_size(0) /* CTA_HELP */
@@ -571,7 +613,8 @@ ctnetlink_conntrack_event(unsigned int events, struct nf_ct_event *item)
 
 	if (events & (1 << IPCT_DESTROY)) {
 		if (ctnetlink_dump_counters(skb, ct, IP_CT_DIR_ORIGINAL) < 0 ||
-		    ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0)
+		    ctnetlink_dump_counters(skb, ct, IP_CT_DIR_REPLY) < 0 ||
+		    ctnetlink_dump_timestamp(skb, ct) < 0)
 			goto nla_put_failure;
 	} else {
 		if (ctnetlink_dump_timeout(skb, ct) < 0)
@@ -1357,6 +1400,7 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
 	}
 
 	nf_ct_acct_ext_add(ct, GFP_ATOMIC);
+	nf_ct_tstamp_ext_add(ct, GFP_ATOMIC);
 	nf_ct_ecache_ext_add(ct, 0, 0, GFP_ATOMIC);
 	/* we must add conntrack extensions before confirmation. */
 	ct->status |= IPS_CONFIRMED;
@@ -1375,6 +1419,7 @@ ctnetlink_create_conntrack(struct net *net, u16 zone,
 	}
 #endif
 
+	memset(&ct->proto, 0, sizeof(ct->proto));
 	if (cda[CTA_PROTOINFO]) {
 		err = ctnetlink_change_protoinfo(ct, cda);
 		if (err < 0)
diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c
index dc7bb74110df..5701c8dd783c 100644
--- a/net/netfilter/nf_conntrack_proto.c
+++ b/net/netfilter/nf_conntrack_proto.c
@@ -166,6 +166,7 @@ static void nf_ct_l3proto_unregister_sysctl(struct nf_conntrack_l3proto *l3proto
 int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
 {
 	int ret = 0;
+	struct nf_conntrack_l3proto *old;
 
 	if (proto->l3proto >= AF_MAX)
 		return -EBUSY;
@@ -174,7 +175,9 @@ int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
 		return -EINVAL;
 
 	mutex_lock(&nf_ct_proto_mutex);
-	if (nf_ct_l3protos[proto->l3proto] != &nf_conntrack_l3proto_generic) {
+	old = rcu_dereference_protected(nf_ct_l3protos[proto->l3proto],
+					lockdep_is_held(&nf_ct_proto_mutex));
+	if (old != &nf_conntrack_l3proto_generic) {
 		ret = -EBUSY;
 		goto out_unlock;
 	}
@@ -201,7 +204,9 @@ void nf_conntrack_l3proto_unregister(struct nf_conntrack_l3proto *proto)
 	BUG_ON(proto->l3proto >= AF_MAX);
 
 	mutex_lock(&nf_ct_proto_mutex);
-	BUG_ON(nf_ct_l3protos[proto->l3proto] != proto);
+	BUG_ON(rcu_dereference_protected(nf_ct_l3protos[proto->l3proto],
+					 lockdep_is_held(&nf_ct_proto_mutex)
+					 ) != proto);
 	rcu_assign_pointer(nf_ct_l3protos[proto->l3proto],
 			   &nf_conntrack_l3proto_generic);
 	nf_ct_l3proto_unregister_sysctl(proto);
@@ -279,7 +284,7 @@ int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *l4proto)
 	mutex_lock(&nf_ct_proto_mutex);
 	if (!nf_ct_protos[l4proto->l3proto]) {
 		/* l3proto may be loaded latter. */
-		struct nf_conntrack_l4proto **proto_array;
+		struct nf_conntrack_l4proto __rcu **proto_array;
 		int i;
 
 		proto_array = kmalloc(MAX_NF_CT_PROTO *
@@ -291,7 +296,7 @@ int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *l4proto)
 		}
 
 		for (i = 0; i < MAX_NF_CT_PROTO; i++)
-			proto_array[i] = &nf_conntrack_l4proto_generic;
+			RCU_INIT_POINTER(proto_array[i], &nf_conntrack_l4proto_generic);
 
 		/* Before making proto_array visible to lockless readers,
 		 * we must make sure its content is committed to memory.
@@ -299,8 +304,10 @@ int nf_conntrack_l4proto_register(struct nf_conntrack_l4proto *l4proto)
 		smp_wmb();
 
 		nf_ct_protos[l4proto->l3proto] = proto_array;
-	} else if (nf_ct_protos[l4proto->l3proto][l4proto->l4proto] !=
-					&nf_conntrack_l4proto_generic) {
+	} else if (rcu_dereference_protected(
+			nf_ct_protos[l4proto->l3proto][l4proto->l4proto],
+			lockdep_is_held(&nf_ct_proto_mutex)
+			) != &nf_conntrack_l4proto_generic) {
 		ret = -EBUSY;
 		goto out_unlock;
 	}
@@ -331,7 +338,10 @@ void nf_conntrack_l4proto_unregister(struct nf_conntrack_l4proto *l4proto)
 	BUG_ON(l4proto->l3proto >= PF_MAX);
 
 	mutex_lock(&nf_ct_proto_mutex);
-	BUG_ON(nf_ct_protos[l4proto->l3proto][l4proto->l4proto] != l4proto);
+	BUG_ON(rcu_dereference_protected(
+			nf_ct_protos[l4proto->l3proto][l4proto->l4proto],
+			lockdep_is_held(&nf_ct_proto_mutex)
+			) != l4proto);
 	rcu_assign_pointer(nf_ct_protos[l4proto->l3proto][l4proto->l4proto],
 			   &nf_conntrack_l4proto_generic);
 	nf_ct_l4proto_unregister_sysctl(l4proto);
diff --git a/net/netfilter/nf_conntrack_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c
index 5292560d6d4a..9ae57c57c50e 100644
--- a/net/netfilter/nf_conntrack_proto_dccp.c
+++ b/net/netfilter/nf_conntrack_proto_dccp.c
@@ -452,6 +452,9 @@ static bool dccp_new(struct nf_conn *ct, const struct sk_buff *skb,
 	ct->proto.dccp.role[IP_CT_DIR_ORIGINAL] = CT_DCCP_ROLE_CLIENT;
 	ct->proto.dccp.role[IP_CT_DIR_REPLY] = CT_DCCP_ROLE_SERVER;
 	ct->proto.dccp.state = CT_DCCP_NONE;
+	ct->proto.dccp.last_pkt = DCCP_PKT_REQUEST;
+	ct->proto.dccp.last_dir = IP_CT_DIR_ORIGINAL;
+	ct->proto.dccp.handshake_seq = 0;
 	return true;
 
 out_invalid:
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index c6049c2d5ea8..6f4ee70f460b 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -413,6 +413,7 @@ static bool sctp_new(struct nf_conn *ct, const struct sk_buff *skb,
 	    test_bit(SCTP_CID_COOKIE_ACK, map))
 		return false;
 
+	memset(&ct->proto.sctp, 0, sizeof(ct->proto.sctp));
 	new_state = SCTP_CONNTRACK_MAX;
 	for_each_sctp_chunk (skb, sch, _sch, offset, dataoff, count) {
 		/* Don't need lock here: this conntrack not in circulation yet */
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 3fb2b73b24dc..6f38d0e2ea4a 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -1066,9 +1066,7 @@ static bool tcp_new(struct nf_conn *ct, const struct sk_buff *skb,
 	BUG_ON(th == NULL);
 
 	/* Don't need lock here: this conntrack not in circulation yet */
-	new_state
-		= tcp_conntracks[0][get_conntrack_index(th)]
-		[TCP_CONNTRACK_NONE];
+	new_state = tcp_conntracks[0][get_conntrack_index(th)][TCP_CONNTRACK_NONE];
 
 	/* Invalid: delete conntrack */
 	if (new_state >= TCP_CONNTRACK_MAX) {
@@ -1077,6 +1075,7 @@ static bool tcp_new(struct nf_conn *ct, const struct sk_buff *skb,
 	}
 
 	if (new_state == TCP_CONNTRACK_SYN_SENT) {
+		memset(&ct->proto.tcp, 0, sizeof(ct->proto.tcp));
 		/* SYN packet */
 		ct->proto.tcp.seen[0].td_end =
 			segment_seq_plus_len(ntohl(th->seq), skb->len,
@@ -1088,11 +1087,11 @@ static bool tcp_new(struct nf_conn *ct, const struct sk_buff *skb,
 			ct->proto.tcp.seen[0].td_end;
 
 		tcp_options(skb, dataoff, th, &ct->proto.tcp.seen[0]);
-		ct->proto.tcp.seen[1].flags = 0;
 	} else if (nf_ct_tcp_loose == 0) {
 		/* Don't try to pick up connections. */
 		return false;
 	} else {
+		memset(&ct->proto.tcp, 0, sizeof(ct->proto.tcp));
 		/*
 		 * We are in the middle of a connection,
 		 * its history is lost for us.
@@ -1107,7 +1106,6 @@ static bool tcp_new(struct nf_conn *ct, const struct sk_buff *skb,
 		ct->proto.tcp.seen[0].td_maxend =
 			ct->proto.tcp.seen[0].td_end +
 			ct->proto.tcp.seen[0].td_maxwin;
-		ct->proto.tcp.seen[0].td_scale = 0;
 
 		/* We assume SACK and liberal window checking to handle
 		 * window scaling */
@@ -1116,13 +1114,7 @@ static bool tcp_new(struct nf_conn *ct, const struct sk_buff *skb,
 					      IP_CT_TCP_FLAG_BE_LIBERAL;
 	}
 
-	ct->proto.tcp.seen[1].td_end = 0;
-	ct->proto.tcp.seen[1].td_maxend = 0;
-	ct->proto.tcp.seen[1].td_maxwin = 0;
-	ct->proto.tcp.seen[1].td_scale = 0;
-
 	/* tcp_packet will set them */
-	ct->proto.tcp.state = TCP_CONNTRACK_NONE;
 	ct->proto.tcp.last_index = TCP_NONE_SET;
 
 	pr_debug("tcp_new: sender end=%u maxend=%u maxwin=%u scale=%i "
diff --git a/net/netfilter/nf_conntrack_snmp.c b/net/netfilter/nf_conntrack_snmp.c
new file mode 100644
index 000000000000..6e545e26289e
--- /dev/null
+++ b/net/netfilter/nf_conntrack_snmp.c
@@ -0,0 +1,77 @@
+/*
+ *      SNMP service broadcast connection tracking helper
+ *
+ *      (c) 2011 Jiri Olsa <jolsa@redhat.com>
+ *
+ *      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
+ *      2 of the License, or (at your option) any later version.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/in.h>
+
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_helper.h>
+#include <net/netfilter/nf_conntrack_expect.h>
+
+#define SNMP_PORT	161
+
+MODULE_AUTHOR("Jiri Olsa <jolsa@redhat.com>");
+MODULE_DESCRIPTION("SNMP service broadcast connection tracking helper");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_NFCT_HELPER("snmp");
+
+static unsigned int timeout __read_mostly = 30;
+module_param(timeout, uint, S_IRUSR);
+MODULE_PARM_DESC(timeout, "timeout for master connection/replies in seconds");
+
+int (*nf_nat_snmp_hook)(struct sk_buff *skb,
+			unsigned int protoff,
+			struct nf_conn *ct,
+			enum ip_conntrack_info ctinfo);
+EXPORT_SYMBOL_GPL(nf_nat_snmp_hook);
+
+static int snmp_conntrack_help(struct sk_buff *skb, unsigned int protoff,
+		struct nf_conn *ct, enum ip_conntrack_info ctinfo)
+{
+	typeof(nf_nat_snmp_hook) nf_nat_snmp;
+
+	nf_conntrack_broadcast_help(skb, protoff, ct, ctinfo, timeout);
+
+	nf_nat_snmp = rcu_dereference(nf_nat_snmp_hook);
+	if (nf_nat_snmp && ct->status & IPS_NAT_MASK)
+		return nf_nat_snmp(skb, protoff, ct, ctinfo);
+
+	return NF_ACCEPT;
+}
+
+static struct nf_conntrack_expect_policy exp_policy = {
+	.max_expected	= 1,
+};
+
+static struct nf_conntrack_helper helper __read_mostly = {
+	.name			= "snmp",
+	.tuple.src.l3num	= NFPROTO_IPV4,
+	.tuple.src.u.udp.port	= cpu_to_be16(SNMP_PORT),
+	.tuple.dst.protonum	= IPPROTO_UDP,
+	.me			= THIS_MODULE,
+	.help			= snmp_conntrack_help,
+	.expect_policy		= &exp_policy,
+};
+
+static int __init nf_conntrack_snmp_init(void)
+{
+	exp_policy.timeout = timeout;
+	return nf_conntrack_helper_register(&helper);
+}
+
+static void __exit nf_conntrack_snmp_fini(void)
+{
+	nf_conntrack_helper_unregister(&helper);
+}
+
+module_init(nf_conntrack_snmp_init);
+module_exit(nf_conntrack_snmp_fini);
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index b4d7f0f24b27..0ae142825881 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -29,6 +29,8 @@
 #include <net/netfilter/nf_conntrack_helper.h>
 #include <net/netfilter/nf_conntrack_acct.h>
 #include <net/netfilter/nf_conntrack_zones.h>
+#include <net/netfilter/nf_conntrack_timestamp.h>
+#include <linux/rculist_nulls.h>
 
 MODULE_LICENSE("GPL");
 
@@ -45,6 +47,7 @@ EXPORT_SYMBOL_GPL(print_tuple);
 struct ct_iter_state {
 	struct seq_net_private p;
 	unsigned int bucket;
+	u_int64_t time_now;
 };
 
 static struct hlist_nulls_node *ct_get_first(struct seq_file *seq)
@@ -56,7 +59,7 @@ static struct hlist_nulls_node *ct_get_first(struct seq_file *seq)
 	for (st->bucket = 0;
 	     st->bucket < net->ct.htable_size;
 	     st->bucket++) {
-		n = rcu_dereference(net->ct.hash[st->bucket].first);
+		n = rcu_dereference(hlist_nulls_first_rcu(&net->ct.hash[st->bucket]));
 		if (!is_a_nulls(n))
 			return n;
 	}
@@ -69,13 +72,15 @@ static struct hlist_nulls_node *ct_get_next(struct seq_file *seq,
 	struct net *net = seq_file_net(seq);
 	struct ct_iter_state *st = seq->private;
 
-	head = rcu_dereference(head->next);
+	head = rcu_dereference(hlist_nulls_next_rcu(head));
 	while (is_a_nulls(head)) {
 		if (likely(get_nulls_value(head) == st->bucket)) {
 			if (++st->bucket >= net->ct.htable_size)
 				return NULL;
 		}
-		head = rcu_dereference(net->ct.hash[st->bucket].first);
+		head = rcu_dereference(
+				hlist_nulls_first_rcu(
+					&net->ct.hash[st->bucket]));
 	}
 	return head;
 }
@@ -93,6 +98,9 @@ static struct hlist_nulls_node *ct_get_idx(struct seq_file *seq, loff_t pos)
 static void *ct_seq_start(struct seq_file *seq, loff_t *pos)
 	__acquires(RCU)
 {
+	struct ct_iter_state *st = seq->private;
+
+	st->time_now = ktime_to_ns(ktime_get_real());
 	rcu_read_lock();
 	return ct_get_idx(seq, *pos);
 }
@@ -132,6 +140,34 @@ static inline int ct_show_secctx(struct seq_file *s, const struct nf_conn *ct)
 }
 #endif
 
+#ifdef CONFIG_NF_CONNTRACK_TIMESTAMP
+static int ct_show_delta_time(struct seq_file *s, const struct nf_conn *ct)
+{
+	struct ct_iter_state *st = s->private;
+	struct nf_conn_tstamp *tstamp;
+	s64 delta_time;
+
+	tstamp = nf_conn_tstamp_find(ct);
+	if (tstamp) {
+		delta_time = st->time_now - tstamp->start;
+		if (delta_time > 0)
+			delta_time = div_s64(delta_time, NSEC_PER_SEC);
+		else
+			delta_time = 0;
+
+		return seq_printf(s, "delta-time=%llu ",
+				  (unsigned long long)delta_time);
+	}
+	return 0;
+}
+#else
+static inline int
+ct_show_delta_time(struct seq_file *s, const struct nf_conn *ct)
+{
+	return 0;
+}
+#endif
+
 /* return 0 on success, 1 in case of error */
 static int ct_seq_show(struct seq_file *s, void *v)
 {
@@ -200,6 +236,9 @@ static int ct_seq_show(struct seq_file *s, void *v)
 		goto release;
 #endif
 
+	if (ct_show_delta_time(s, ct))
+		goto release;
+
 	if (seq_printf(s, "use=%u\n", atomic_read(&ct->ct_general.use)))
 		goto release;
 
diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c
new file mode 100644
index 000000000000..af7dd31af0a1
--- /dev/null
+++ b/net/netfilter/nf_conntrack_timestamp.c
@@ -0,0 +1,120 @@
+/*
+ * (C) 2010 Pablo Neira Ayuso <pablo@netfilter.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation (or any later at your option).
+ */
+
+#include <linux/netfilter.h>
+#include <linux/slab.h>
+#include <linux/kernel.h>
+#include <linux/moduleparam.h>
+
+#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_extend.h>
+#include <net/netfilter/nf_conntrack_timestamp.h>
+
+static int nf_ct_tstamp __read_mostly;
+
+module_param_named(tstamp, nf_ct_tstamp, bool, 0644);
+MODULE_PARM_DESC(tstamp, "Enable connection tracking flow timestamping.");
+
+#ifdef CONFIG_SYSCTL
+static struct ctl_table tstamp_sysctl_table[] = {
+	{
+		.procname	= "nf_conntrack_timestamp",
+		.data		= &init_net.ct.sysctl_tstamp,
+		.maxlen		= sizeof(unsigned int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{}
+};
+#endif /* CONFIG_SYSCTL */
+
+static struct nf_ct_ext_type tstamp_extend __read_mostly = {
+	.len	= sizeof(struct nf_conn_tstamp),
+	.align	= __alignof__(struct nf_conn_tstamp),
+	.id	= NF_CT_EXT_TSTAMP,
+};
+
+#ifdef CONFIG_SYSCTL
+static int nf_conntrack_tstamp_init_sysctl(struct net *net)
+{
+	struct ctl_table *table;
+
+	table = kmemdup(tstamp_sysctl_table, sizeof(tstamp_sysctl_table),
+			GFP_KERNEL);
+	if (!table)
+		goto out;
+
+	table[0].data = &net->ct.sysctl_tstamp;
+
+	net->ct.tstamp_sysctl_header = register_net_sysctl_table(net,
+			nf_net_netfilter_sysctl_path, table);
+	if (!net->ct.tstamp_sysctl_header) {
+		printk(KERN_ERR "nf_ct_tstamp: can't register to sysctl.\n");
+		goto out_register;
+	}
+	return 0;
+
+out_register:
+	kfree(table);
+out:
+	return -ENOMEM;
+}
+
+static void nf_conntrack_tstamp_fini_sysctl(struct net *net)
+{
+	struct ctl_table *table;
+
+	table = net->ct.tstamp_sysctl_header->ctl_table_arg;
+	unregister_net_sysctl_table(net->ct.tstamp_sysctl_header);
+	kfree(table);
+}
+#else
+static int nf_conntrack_tstamp_init_sysctl(struct net *net)
+{
+	return 0;
+}
+
+static void nf_conntrack_tstamp_fini_sysctl(struct net *net)
+{
+}
+#endif
+
+int nf_conntrack_tstamp_init(struct net *net)
+{
+	int ret;
+
+	net->ct.sysctl_tstamp = nf_ct_tstamp;
+
+	if (net_eq(net, &init_net)) {
+		ret = nf_ct_extend_register(&tstamp_extend);
+		if (ret < 0) {
+			printk(KERN_ERR "nf_ct_tstamp: Unable to register "
+					"extension\n");
+			goto out_extend_register;
+		}
+	}
+
+	ret = nf_conntrack_tstamp_init_sysctl(net);
+	if (ret < 0)
+		goto out_sysctl;
+
+	return 0;
+
+out_sysctl:
+	if (net_eq(net, &init_net))
+		nf_ct_extend_unregister(&tstamp_extend);
+out_extend_register:
+	return ret;
+}
+
+void nf_conntrack_tstamp_fini(struct net *net)
+{
+	nf_conntrack_tstamp_fini_sysctl(net);
+	if (net_eq(net, &init_net))
+		nf_ct_extend_unregister(&tstamp_extend);
+}
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index b07393eab88e..20c775cff2a8 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -161,7 +161,8 @@ static int seq_show(struct seq_file *s, void *v)
 	struct nf_logger *t;
 	int ret;
 
-	logger = nf_loggers[*pos];
+	logger = rcu_dereference_protected(nf_loggers[*pos],
+					   lockdep_is_held(&nf_log_mutex));
 
 	if (!logger)
 		ret = seq_printf(s, "%2lld NONE (", *pos);
@@ -249,7 +250,8 @@ static int nf_log_proc_dostring(ctl_table *table, int write,
 		mutex_unlock(&nf_log_mutex);
 	} else {
 		mutex_lock(&nf_log_mutex);
-		logger = nf_loggers[tindex];
+		logger = rcu_dereference_protected(nf_loggers[tindex],
+						   lockdep_is_held(&nf_log_mutex));
 		if (!logger)
 			table->data = "NONE";
 		else
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 74aebed5bd28..5ab22e2bbd7d 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -27,14 +27,17 @@ static DEFINE_MUTEX(queue_handler_mutex);
 int nf_register_queue_handler(u_int8_t pf, const struct nf_queue_handler *qh)
 {
 	int ret;
+	const struct nf_queue_handler *old;
 
 	if (pf >= ARRAY_SIZE(queue_handler))
 		return -EINVAL;
 
 	mutex_lock(&queue_handler_mutex);
-	if (queue_handler[pf] == qh)
+	old = rcu_dereference_protected(queue_handler[pf],
+					lockdep_is_held(&queue_handler_mutex));
+	if (old == qh)
 		ret = -EEXIST;
-	else if (queue_handler[pf])
+	else if (old)
 		ret = -EBUSY;
 	else {
 		rcu_assign_pointer(queue_handler[pf], qh);
@@ -49,11 +52,15 @@ EXPORT_SYMBOL(nf_register_queue_handler);
 /* The caller must flush their queue before this */
 int nf_unregister_queue_handler(u_int8_t pf, const struct nf_queue_handler *qh)
 {
+	const struct nf_queue_handler *old;
+
 	if (pf >= ARRAY_SIZE(queue_handler))
 		return -EINVAL;
 
 	mutex_lock(&queue_handler_mutex);
-	if (queue_handler[pf] && queue_handler[pf] != qh) {
+	old = rcu_dereference_protected(queue_handler[pf],
+					lockdep_is_held(&queue_handler_mutex));
+	if (old && old != qh) {
 		mutex_unlock(&queue_handler_mutex);
 		return -EINVAL;
 	}
@@ -73,7 +80,10 @@ void nf_unregister_queue_handlers(const struct nf_queue_handler *qh)
 
 	mutex_lock(&queue_handler_mutex);
 	for (pf = 0; pf < ARRAY_SIZE(queue_handler); pf++)  {
-		if (queue_handler[pf] == qh)
+		if (rcu_dereference_protected(
+				queue_handler[pf],
+				lockdep_is_held(&queue_handler_mutex)
+				) == qh)
 			rcu_assign_pointer(queue_handler[pf], NULL);
 	}
 	mutex_unlock(&queue_handler_mutex);
@@ -115,7 +125,7 @@ static int __nf_queue(struct sk_buff *skb,
 		      int (*okfn)(struct sk_buff *),
 		      unsigned int queuenum)
 {
-	int status;
+	int status = -ENOENT;
 	struct nf_queue_entry *entry = NULL;
 #ifdef CONFIG_BRIDGE_NETFILTER
 	struct net_device *physindev;
@@ -128,16 +138,20 @@ static int __nf_queue(struct sk_buff *skb,
 	rcu_read_lock();
 
 	qh = rcu_dereference(queue_handler[pf]);
-	if (!qh)
+	if (!qh) {
+		status = -ESRCH;
 		goto err_unlock;
+	}
 
 	afinfo = nf_get_afinfo(pf);
 	if (!afinfo)
 		goto err_unlock;
 
 	entry = kmalloc(sizeof(*entry) + afinfo->route_key_size, GFP_ATOMIC);
-	if (!entry)
+	if (!entry) {
+		status = -ENOMEM;
 		goto err_unlock;
+	}
 
 	*entry = (struct nf_queue_entry) {
 		.skb	= skb,
@@ -151,11 +165,9 @@ static int __nf_queue(struct sk_buff *skb,
 
 	/* If it's going away, ignore hook. */
 	if (!try_module_get(entry->elem->owner)) {
-		rcu_read_unlock();
-		kfree(entry);
-		return 0;
+		status = -ECANCELED;
+		goto err_unlock;
 	}
-
 	/* Bump dev refs so they don't vanish while packet is out */
 	if (indev)
 		dev_hold(indev);
@@ -182,14 +194,13 @@ static int __nf_queue(struct sk_buff *skb,
 		goto err;
 	}
 
-	return 1;
+	return 0;
 
 err_unlock:
 	rcu_read_unlock();
 err:
-	kfree_skb(skb);
 	kfree(entry);
-	return 1;
+	return status;
 }
 
 int nf_queue(struct sk_buff *skb,
@@ -201,6 +212,8 @@ int nf_queue(struct sk_buff *skb,
 	     unsigned int queuenum)
 {
 	struct sk_buff *segs;
+	int err;
+	unsigned int queued;
 
 	if (!skb_is_gso(skb))
 		return __nf_queue(skb, elem, pf, hook, indev, outdev, okfn,
@@ -216,20 +229,35 @@ int nf_queue(struct sk_buff *skb,
 	}
 
 	segs = skb_gso_segment(skb, 0);
-	kfree_skb(skb);
+	/* Does not use PTR_ERR to limit the number of error codes that can be
+	 * returned by nf_queue.  For instance, callers rely on -ECANCELED to mean
+	 * 'ignore this hook'.
+	 */
 	if (IS_ERR(segs))
-		return 1;
+		return -EINVAL;
 
+	queued = 0;
+	err = 0;
 	do {
 		struct sk_buff *nskb = segs->next;
 
 		segs->next = NULL;
-		if (!__nf_queue(segs, elem, pf, hook, indev, outdev, okfn,
-				queuenum))
+		if (err == 0)
+			err = __nf_queue(segs, elem, pf, hook, indev,
+					   outdev, okfn, queuenum);
+		if (err == 0)
+			queued++;
+		else
 			kfree_skb(segs);
 		segs = nskb;
 	} while (segs);
-	return 1;
+
+	/* also free orig skb if only some segments were queued */
+	if (unlikely(err && queued))
+		err = 0;
+	if (err == 0)
+		kfree_skb(skb);
+	return err;
 }
 
 void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict)
@@ -237,6 +265,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict)
 	struct sk_buff *skb = entry->skb;
 	struct list_head *elem = &entry->elem->list;
 	const struct nf_afinfo *afinfo;
+	int err;
 
 	rcu_read_lock();
 
@@ -270,10 +299,17 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict)
 		local_bh_enable();
 		break;
 	case NF_QUEUE:
-		if (!__nf_queue(skb, elem, entry->pf, entry->hook,
-				entry->indev, entry->outdev, entry->okfn,
-				verdict >> NF_VERDICT_BITS))
-			goto next_hook;
+		err = __nf_queue(skb, elem, entry->pf, entry->hook,
+				 entry->indev, entry->outdev, entry->okfn,
+				 verdict >> NF_VERDICT_QBITS);
+		if (err < 0) {
+			if (err == -ECANCELED)
+				goto next_hook;
+			if (err == -ESRCH &&
+			   (verdict & NF_VERDICT_FLAG_QUEUE_BYPASS))
+				goto next_hook;
+			kfree_skb(skb);
+		}
 		break;
 	case NF_STOLEN:
 	default:
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 6a1572b0ab41..91592da504b9 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -874,19 +874,19 @@ static struct hlist_node *get_first(struct iter_state *st)
 
 	for (st->bucket = 0; st->bucket < INSTANCE_BUCKETS; st->bucket++) {
 		if (!hlist_empty(&instance_table[st->bucket]))
-			return rcu_dereference_bh(instance_table[st->bucket].first);
+			return rcu_dereference_bh(hlist_first_rcu(&instance_table[st->bucket]));
 	}
 	return NULL;
 }
 
 static struct hlist_node *get_next(struct iter_state *st, struct hlist_node *h)
 {
-	h = rcu_dereference_bh(h->next);
+	h = rcu_dereference_bh(hlist_next_rcu(h));
 	while (!h) {
 		if (++st->bucket >= INSTANCE_BUCKETS)
 			return NULL;
 
-		h = rcu_dereference_bh(instance_table[st->bucket].first);
+		h = rcu_dereference_bh(hlist_first_rcu(&instance_table[st->bucket]));
 	}
 	return h;
 }
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 68e67d19724d..b83123f12b42 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -387,25 +387,31 @@ nfqnl_enqueue_packet(struct nf_queue_entry *entry, unsigned int queuenum)
 {
 	struct sk_buff *nskb;
 	struct nfqnl_instance *queue;
-	int err;
+	int err = -ENOBUFS;
 
 	/* rcu_read_lock()ed by nf_hook_slow() */
 	queue = instance_lookup(queuenum);
-	if (!queue)
+	if (!queue) {
+		err = -ESRCH;
 		goto err_out;
+	}
 
-	if (queue->copy_mode == NFQNL_COPY_NONE)
+	if (queue->copy_mode == NFQNL_COPY_NONE) {
+		err = -EINVAL;
 		goto err_out;
+	}
 
 	nskb = nfqnl_build_packet_message(queue, entry);
-	if (nskb == NULL)
+	if (nskb == NULL) {
+		err = -ENOMEM;
 		goto err_out;
-
+	}
 	spin_lock_bh(&queue->lock);
 
-	if (!queue->peer_pid)
+	if (!queue->peer_pid) {
+		err = -EINVAL;
 		goto err_out_free_nskb;
-
+	}
 	if (queue->queue_total >= queue->queue_maxlen) {
 		queue->queue_dropped++;
 		if (net_ratelimit())
@@ -432,7 +438,7 @@ err_out_free_nskb:
 err_out_unlock:
 	spin_unlock_bh(&queue->lock);
 err_out:
-	return -1;
+	return err;
 }
 
 static int
diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c
index c94237631077..0a77d2ff2154 100644
--- a/net/netfilter/x_tables.c
+++ b/net/netfilter/x_tables.c
@@ -23,6 +23,7 @@
 #include <linux/mutex.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
+#include <linux/audit.h>
 #include <net/net_namespace.h>
 
 #include <linux/netfilter/x_tables.h>
@@ -38,9 +39,8 @@ MODULE_DESCRIPTION("{ip,ip6,arp,eb}_tables backend module");
 #define SMP_ALIGN(x) (((x) + SMP_CACHE_BYTES-1) & ~(SMP_CACHE_BYTES-1))
 
 struct compat_delta {
-	struct compat_delta *next;
-	unsigned int offset;
-	int delta;
+	unsigned int offset; /* offset in kernel */
+	int delta; /* delta in 32bit user land */
 };
 
 struct xt_af {
@@ -49,7 +49,9 @@ struct xt_af {
 	struct list_head target;
 #ifdef CONFIG_COMPAT
 	struct mutex compat_mutex;
-	struct compat_delta *compat_offsets;
+	struct compat_delta *compat_tab;
+	unsigned int number; /* number of slots in compat_tab[] */
+	unsigned int cur; /* number of used slots in compat_tab[] */
 #endif
 };
 
@@ -414,54 +416,67 @@ int xt_check_match(struct xt_mtchk_param *par,
 EXPORT_SYMBOL_GPL(xt_check_match);
 
 #ifdef CONFIG_COMPAT
-int xt_compat_add_offset(u_int8_t af, unsigned int offset, short delta)
+int xt_compat_add_offset(u_int8_t af, unsigned int offset, int delta)
 {
-	struct compat_delta *tmp;
+	struct xt_af *xp = &xt[af];
 
-	tmp = kmalloc(sizeof(struct compat_delta), GFP_KERNEL);
-	if (!tmp)
-		return -ENOMEM;
+	if (!xp->compat_tab) {
+		if (!xp->number)
+			return -EINVAL;
+		xp->compat_tab = vmalloc(sizeof(struct compat_delta) * xp->number);
+		if (!xp->compat_tab)
+			return -ENOMEM;
+		xp->cur = 0;
+	}
 
-	tmp->offset = offset;
-	tmp->delta = delta;
+	if (xp->cur >= xp->number)
+		return -EINVAL;
 
-	if (xt[af].compat_offsets) {
-		tmp->next = xt[af].compat_offsets->next;
-		xt[af].compat_offsets->next = tmp;
-	} else {
-		xt[af].compat_offsets = tmp;
-		tmp->next = NULL;
-	}
+	if (xp->cur)
+		delta += xp->compat_tab[xp->cur - 1].delta;
+	xp->compat_tab[xp->cur].offset = offset;
+	xp->compat_tab[xp->cur].delta = delta;
+	xp->cur++;
 	return 0;
 }
 EXPORT_SYMBOL_GPL(xt_compat_add_offset);
 
 void xt_compat_flush_offsets(u_int8_t af)
 {
-	struct compat_delta *tmp, *next;
-
-	if (xt[af].compat_offsets) {
-		for (tmp = xt[af].compat_offsets; tmp; tmp = next) {
-			next = tmp->next;
-			kfree(tmp);
-		}
-		xt[af].compat_offsets = NULL;
+	if (xt[af].compat_tab) {
+		vfree(xt[af].compat_tab);
+		xt[af].compat_tab = NULL;
+		xt[af].number = 0;
 	}
 }
 EXPORT_SYMBOL_GPL(xt_compat_flush_offsets);
 
 int xt_compat_calc_jump(u_int8_t af, unsigned int offset)
 {
-	struct compat_delta *tmp;
-	int delta;
-
-	for (tmp = xt[af].compat_offsets, delta = 0; tmp; tmp = tmp->next)
-		if (tmp->offset < offset)
-			delta += tmp->delta;
-	return delta;
+	struct compat_delta *tmp = xt[af].compat_tab;
+	int mid, left = 0, right = xt[af].cur - 1;
+
+	while (left <= right) {
+		mid = (left + right) >> 1;
+		if (offset > tmp[mid].offset)
+			left = mid + 1;
+		else if (offset < tmp[mid].offset)
+			right = mid - 1;
+		else
+			return mid ? tmp[mid - 1].delta : 0;
+	}
+	WARN_ON_ONCE(1);
+	return 0;
 }
 EXPORT_SYMBOL_GPL(xt_compat_calc_jump);
 
+void xt_compat_init_offsets(u_int8_t af, unsigned int number)
+{
+	xt[af].number = number;
+	xt[af].cur = 0;
+}
+EXPORT_SYMBOL(xt_compat_init_offsets);
+
 int xt_compat_match_offset(const struct xt_match *match)
 {
 	u_int16_t csize = match->compatsize ? : match->matchsize;
@@ -820,6 +835,21 @@ xt_replace_table(struct xt_table *table,
 	 */
 	local_bh_enable();
 
+#ifdef CONFIG_AUDIT
+	if (audit_enabled) {
+		struct audit_buffer *ab;
+
+		ab = audit_log_start(current->audit_context, GFP_KERNEL,
+				     AUDIT_NETFILTER_CFG);
+		if (ab) {
+			audit_log_format(ab, "table=%s family=%u entries=%u",
+					 table->name, table->af,
+					 private->number);
+			audit_log_end(ab);
+		}
+	}
+#endif
+
 	return private;
 }
 EXPORT_SYMBOL_GPL(xt_replace_table);
@@ -1338,7 +1368,7 @@ static int __init xt_init(void)
 		mutex_init(&xt[i].mutex);
 #ifdef CONFIG_COMPAT
 		mutex_init(&xt[i].compat_mutex);
-		xt[i].compat_offsets = NULL;
+		xt[i].compat_tab = NULL;
 #endif
 		INIT_LIST_HEAD(&xt[i].target);
 		INIT_LIST_HEAD(&xt[i].match);
diff --git a/net/netfilter/xt_AUDIT.c b/net/netfilter/xt_AUDIT.c
new file mode 100644
index 000000000000..81802d27346e
--- /dev/null
+++ b/net/netfilter/xt_AUDIT.c
@@ -0,0 +1,204 @@
+/*
+ * Creates audit record for dropped/accepted packets
+ *
+ * (C) 2010-2011 Thomas Graf <tgraf@redhat.com>
+ * (C) 2010-2011 Red Hat, Inc.
+ *
+ * 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.
+*/
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/audit.h>
+#include <linux/module.h>
+#include <linux/skbuff.h>
+#include <linux/tcp.h>
+#include <linux/udp.h>
+#include <linux/if_arp.h>
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter/xt_AUDIT.h>
+#include <net/ipv6.h>
+#include <net/ip.h>
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Thomas Graf <tgraf@redhat.com>");
+MODULE_DESCRIPTION("Xtables: creates audit records for dropped/accepted packets");
+MODULE_ALIAS("ipt_AUDIT");
+MODULE_ALIAS("ip6t_AUDIT");
+MODULE_ALIAS("ebt_AUDIT");
+MODULE_ALIAS("arpt_AUDIT");
+
+static void audit_proto(struct audit_buffer *ab, struct sk_buff *skb,
+			unsigned int proto, unsigned int offset)
+{
+	switch (proto) {
+	case IPPROTO_TCP:
+	case IPPROTO_UDP:
+	case IPPROTO_UDPLITE: {
+		const __be16 *pptr;
+		__be16 _ports[2];
+
+		pptr = skb_header_pointer(skb, offset, sizeof(_ports), _ports);
+		if (pptr == NULL) {
+			audit_log_format(ab, " truncated=1");
+			return;
+		}
+
+		audit_log_format(ab, " sport=%hu dport=%hu",
+				 ntohs(pptr[0]), ntohs(pptr[1]));
+		}
+		break;
+
+	case IPPROTO_ICMP:
+	case IPPROTO_ICMPV6: {
+		const u8 *iptr;
+		u8 _ih[2];
+
+		iptr = skb_header_pointer(skb, offset, sizeof(_ih), &_ih);
+		if (iptr == NULL) {
+			audit_log_format(ab, " truncated=1");
+			return;
+		}
+
+		audit_log_format(ab, " icmptype=%hhu icmpcode=%hhu",
+				 iptr[0], iptr[1]);
+
+		}
+		break;
+	}
+}
+
+static void audit_ip4(struct audit_buffer *ab, struct sk_buff *skb)
+{
+	struct iphdr _iph;
+	const struct iphdr *ih;
+
+	ih = skb_header_pointer(skb, 0, sizeof(_iph), &_iph);
+	if (!ih) {
+		audit_log_format(ab, " truncated=1");
+		return;
+	}
+
+	audit_log_format(ab, " saddr=%pI4 daddr=%pI4 ipid=%hu proto=%hhu",
+		&ih->saddr, &ih->daddr, ntohs(ih->id), ih->protocol);
+
+	if (ntohs(ih->frag_off) & IP_OFFSET) {
+		audit_log_format(ab, " frag=1");
+		return;
+	}
+
+	audit_proto(ab, skb, ih->protocol, ih->ihl * 4);
+}
+
+static void audit_ip6(struct audit_buffer *ab, struct sk_buff *skb)
+{
+	struct ipv6hdr _ip6h;
+	const struct ipv6hdr *ih;
+	u8 nexthdr;
+	int offset;
+
+	ih = skb_header_pointer(skb, skb_network_offset(skb), sizeof(_ip6h), &_ip6h);
+	if (!ih) {
+		audit_log_format(ab, " truncated=1");
+		return;
+	}
+
+	nexthdr = ih->nexthdr;
+	offset = ipv6_skip_exthdr(skb, skb_network_offset(skb) + sizeof(_ip6h),
+				  &nexthdr);
+
+	audit_log_format(ab, " saddr=%pI6c daddr=%pI6c proto=%hhu",
+			 &ih->saddr, &ih->daddr, nexthdr);
+
+	if (offset)
+		audit_proto(ab, skb, nexthdr, offset);
+}
+
+static unsigned int
+audit_tg(struct sk_buff *skb, const struct xt_action_param *par)
+{
+	const struct xt_audit_info *info = par->targinfo;
+	struct audit_buffer *ab;
+
+	ab = audit_log_start(NULL, GFP_ATOMIC, AUDIT_NETFILTER_PKT);
+	if (ab == NULL)
+		goto errout;
+
+	audit_log_format(ab, "action=%hhu hook=%u len=%u inif=%s outif=%s",
+			 info->type, par->hooknum, skb->len,
+			 par->in ? par->in->name : "?",
+			 par->out ? par->out->name : "?");
+
+	if (skb->mark)
+		audit_log_format(ab, " mark=%#x", skb->mark);
+
+	if (skb->dev && skb->dev->type == ARPHRD_ETHER) {
+		audit_log_format(ab, " smac=%pM dmac=%pM macproto=0x%04x",
+				 eth_hdr(skb)->h_source, eth_hdr(skb)->h_dest,
+				 ntohs(eth_hdr(skb)->h_proto));
+
+		if (par->family == NFPROTO_BRIDGE) {
+			switch (eth_hdr(skb)->h_proto) {
+			case __constant_htons(ETH_P_IP):
+				audit_ip4(ab, skb);
+				break;
+
+			case __constant_htons(ETH_P_IPV6):
+				audit_ip6(ab, skb);
+				break;
+			}
+		}
+	}
+
+	switch (par->family) {
+	case NFPROTO_IPV4:
+		audit_ip4(ab, skb);
+		break;
+
+	case NFPROTO_IPV6:
+		audit_ip6(ab, skb);
+		break;
+	}
+
+	audit_log_end(ab);
+
+errout:
+	return XT_CONTINUE;
+}
+
+static int audit_tg_check(const struct xt_tgchk_param *par)
+{
+	const struct xt_audit_info *info = par->targinfo;
+
+	if (info->type > XT_AUDIT_TYPE_MAX) {
+		pr_info("Audit type out of range (valid range: 0..%hhu)\n",
+			XT_AUDIT_TYPE_MAX);
+		return -ERANGE;
+	}
+
+	return 0;
+}
+
+static struct xt_target audit_tg_reg __read_mostly = {
+	.name		= "AUDIT",
+	.family		= NFPROTO_UNSPEC,
+	.target		= audit_tg,
+	.targetsize	= sizeof(struct xt_audit_info),
+	.checkentry	= audit_tg_check,
+	.me		= THIS_MODULE,
+};
+
+static int __init audit_tg_init(void)
+{
+	return xt_register_target(&audit_tg_reg);
+}
+
+static void __exit audit_tg_exit(void)
+{
+	xt_unregister_target(&audit_tg_reg);
+}
+
+module_init(audit_tg_init);
+module_exit(audit_tg_exit);
diff --git a/net/netfilter/xt_CLASSIFY.c b/net/netfilter/xt_CLASSIFY.c
index c2c0e4abeb99..af9c4dadf816 100644
--- a/net/netfilter/xt_CLASSIFY.c
+++ b/net/netfilter/xt_CLASSIFY.c
@@ -19,12 +19,14 @@
 #include <linux/netfilter_ipv6.h>
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/xt_CLASSIFY.h>
+#include <linux/netfilter_arp.h>
 
 MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Xtables: Qdisc classification");
 MODULE_ALIAS("ipt_CLASSIFY");
 MODULE_ALIAS("ip6t_CLASSIFY");
+MODULE_ALIAS("arpt_CLASSIFY");
 
 static unsigned int
 classify_tg(struct sk_buff *skb, const struct xt_action_param *par)
@@ -35,26 +37,36 @@ classify_tg(struct sk_buff *skb, const struct xt_action_param *par)
 	return XT_CONTINUE;
 }
 
-static struct xt_target classify_tg_reg __read_mostly = {
-	.name       = "CLASSIFY",
-	.revision   = 0,
-	.family     = NFPROTO_UNSPEC,
-	.table      = "mangle",
-	.hooks      = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) |
-		      (1 << NF_INET_POST_ROUTING),
-	.target     = classify_tg,
-	.targetsize = sizeof(struct xt_classify_target_info),
-	.me         = THIS_MODULE,
+static struct xt_target classify_tg_reg[] __read_mostly = {
+	{
+		.name       = "CLASSIFY",
+		.revision   = 0,
+		.family     = NFPROTO_UNSPEC,
+		.hooks      = (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) |
+		              (1 << NF_INET_POST_ROUTING),
+		.target     = classify_tg,
+		.targetsize = sizeof(struct xt_classify_target_info),
+		.me         = THIS_MODULE,
+	},
+	{
+		.name       = "CLASSIFY",
+		.revision   = 0,
+		.family     = NFPROTO_ARP,
+		.hooks      = (1 << NF_ARP_OUT) | (1 << NF_ARP_FORWARD),
+		.target     = classify_tg,
+		.targetsize = sizeof(struct xt_classify_target_info),
+		.me         = THIS_MODULE,
+	},
 };
 
 static int __init classify_tg_init(void)
 {
-	return xt_register_target(&classify_tg_reg);
+	return xt_register_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
 }
 
 static void __exit classify_tg_exit(void)
 {
-	xt_unregister_target(&classify_tg_reg);
+	xt_unregister_targets(classify_tg_reg, ARRAY_SIZE(classify_tg_reg));
 }
 
 module_init(classify_tg_init);
diff --git a/net/netfilter/xt_IDLETIMER.c b/net/netfilter/xt_IDLETIMER.c
index be1f22e13545..3bdd443aaf15 100644
--- a/net/netfilter/xt_IDLETIMER.c
+++ b/net/netfilter/xt_IDLETIMER.c
@@ -313,3 +313,5 @@ MODULE_AUTHOR("Timo Teras <ext-timo.teras@nokia.com>");
 MODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>");
 MODULE_DESCRIPTION("Xtables: idle time monitor");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("ipt_IDLETIMER");
+MODULE_ALIAS("ip6t_IDLETIMER");
diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c
index a4140509eea1..993de2ba89d3 100644
--- a/net/netfilter/xt_LED.c
+++ b/net/netfilter/xt_LED.c
@@ -31,6 +31,8 @@
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Adam Nielsen <a.nielsen@shikadi.net>");
 MODULE_DESCRIPTION("Xtables: trigger LED devices on packet match");
+MODULE_ALIAS("ipt_LED");
+MODULE_ALIAS("ip6t_LED");
 
 static LIST_HEAD(xt_led_triggers);
 static DEFINE_MUTEX(xt_led_mutex);
diff --git a/net/netfilter/xt_NFQUEUE.c b/net/netfilter/xt_NFQUEUE.c
index 039cce1bde3d..d4f4b5d66b20 100644
--- a/net/netfilter/xt_NFQUEUE.c
+++ b/net/netfilter/xt_NFQUEUE.c
@@ -72,18 +72,31 @@ nfqueue_tg_v1(struct sk_buff *skb, const struct xt_action_param *par)
 
 	if (info->queues_total > 1) {
 		if (par->family == NFPROTO_IPV4)
-			queue = hash_v4(skb) % info->queues_total + queue;
+			queue = (((u64) hash_v4(skb) * info->queues_total) >>
+				 32) + queue;
 #if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
 		else if (par->family == NFPROTO_IPV6)
-			queue = hash_v6(skb) % info->queues_total + queue;
+			queue = (((u64) hash_v6(skb) * info->queues_total) >>
+				 32) + queue;
 #endif
 	}
 	return NF_QUEUE_NR(queue);
 }
 
-static int nfqueue_tg_v1_check(const struct xt_tgchk_param *par)
+static unsigned int
+nfqueue_tg_v2(struct sk_buff *skb, const struct xt_action_param *par)
 {
-	const struct xt_NFQ_info_v1 *info = par->targinfo;
+	const struct xt_NFQ_info_v2 *info = par->targinfo;
+	unsigned int ret = nfqueue_tg_v1(skb, par);
+
+	if (info->bypass)
+		ret |= NF_VERDICT_FLAG_QUEUE_BYPASS;
+	return ret;
+}
+
+static int nfqueue_tg_check(const struct xt_tgchk_param *par)
+{
+	const struct xt_NFQ_info_v2 *info = par->targinfo;
 	u32 maxid;
 
 	if (unlikely(!rnd_inited)) {
@@ -100,6 +113,8 @@ static int nfqueue_tg_v1_check(const struct xt_tgchk_param *par)
 		       info->queues_total, maxid);
 		return -ERANGE;
 	}
+	if (par->target->revision == 2 && info->bypass > 1)
+		return -EINVAL;
 	return 0;
 }
 
@@ -115,11 +130,20 @@ static struct xt_target nfqueue_tg_reg[] __read_mostly = {
 		.name		= "NFQUEUE",
 		.revision	= 1,
 		.family		= NFPROTO_UNSPEC,
-		.checkentry	= nfqueue_tg_v1_check,
+		.checkentry	= nfqueue_tg_check,
 		.target		= nfqueue_tg_v1,
 		.targetsize	= sizeof(struct xt_NFQ_info_v1),
 		.me		= THIS_MODULE,
 	},
+	{
+		.name		= "NFQUEUE",
+		.revision	= 2,
+		.family		= NFPROTO_UNSPEC,
+		.checkentry	= nfqueue_tg_check,
+		.target		= nfqueue_tg_v2,
+		.targetsize	= sizeof(struct xt_NFQ_info_v2),
+		.me		= THIS_MODULE,
+	},
 };
 
 static int __init nfqueue_tg_init(void)
diff --git a/net/netfilter/xt_connlimit.c b/net/netfilter/xt_connlimit.c
index 5c5b6b921b84..452bc16af56c 100644
--- a/net/netfilter/xt_connlimit.c
+++ b/net/netfilter/xt_connlimit.c
@@ -204,11 +204,9 @@ connlimit_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	                         &info->mask, par->family);
 	spin_unlock_bh(&info->data->lock);
 
-	if (connections < 0) {
+	if (connections < 0)
 		/* kmalloc failed, drop it entirely */
-		par->hotdrop = true;
-		return false;
-	}
+		goto hotdrop;
 
 	return (connections > info->limit) ^ info->inverse;
 
diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c
index e536710ad916..4ef1b63ad73f 100644
--- a/net/netfilter/xt_conntrack.c
+++ b/net/netfilter/xt_conntrack.c
@@ -112,6 +112,54 @@ ct_proto_port_check(const struct xt_conntrack_mtinfo2 *info,
 	return true;
 }
 
+static inline bool
+port_match(u16 min, u16 max, u16 port, bool invert)
+{
+	return (port >= min && port <= max) ^ invert;
+}
+
+static inline bool
+ct_proto_port_check_v3(const struct xt_conntrack_mtinfo3 *info,
+		       const struct nf_conn *ct)
+{
+	const struct nf_conntrack_tuple *tuple;
+
+	tuple = &ct->tuplehash[IP_CT_DIR_ORIGINAL].tuple;
+	if ((info->match_flags & XT_CONNTRACK_PROTO) &&
+	    (nf_ct_protonum(ct) == info->l4proto) ^
+	    !(info->invert_flags & XT_CONNTRACK_PROTO))
+		return false;
+
+	/* Shortcut to match all recognized protocols by using ->src.all. */
+	if ((info->match_flags & XT_CONNTRACK_ORIGSRC_PORT) &&
+	    !port_match(info->origsrc_port, info->origsrc_port_high,
+			ntohs(tuple->src.u.all),
+			info->invert_flags & XT_CONNTRACK_ORIGSRC_PORT))
+		return false;
+
+	if ((info->match_flags & XT_CONNTRACK_ORIGDST_PORT) &&
+	    !port_match(info->origdst_port, info->origdst_port_high,
+			ntohs(tuple->dst.u.all),
+			info->invert_flags & XT_CONNTRACK_ORIGDST_PORT))
+		return false;
+
+	tuple = &ct->tuplehash[IP_CT_DIR_REPLY].tuple;
+
+	if ((info->match_flags & XT_CONNTRACK_REPLSRC_PORT) &&
+	    !port_match(info->replsrc_port, info->replsrc_port_high,
+			ntohs(tuple->src.u.all),
+			info->invert_flags & XT_CONNTRACK_REPLSRC_PORT))
+		return false;
+
+	if ((info->match_flags & XT_CONNTRACK_REPLDST_PORT) &&
+	    !port_match(info->repldst_port, info->repldst_port_high,
+			ntohs(tuple->dst.u.all),
+			info->invert_flags & XT_CONNTRACK_REPLDST_PORT))
+		return false;
+
+	return true;
+}
+
 static bool
 conntrack_mt(const struct sk_buff *skb, struct xt_action_param *par,
              u16 state_mask, u16 status_mask)
@@ -170,8 +218,13 @@ conntrack_mt(const struct sk_buff *skb, struct xt_action_param *par,
 		    !(info->invert_flags & XT_CONNTRACK_REPLDST))
 			return false;
 
-	if (!ct_proto_port_check(info, ct))
-		return false;
+	if (par->match->revision != 3) {
+		if (!ct_proto_port_check(info, ct))
+			return false;
+	} else {
+		if (!ct_proto_port_check_v3(par->matchinfo, ct))
+			return false;
+	}
 
 	if ((info->match_flags & XT_CONNTRACK_STATUS) &&
 	    (!!(status_mask & ct->status) ^
@@ -207,6 +260,14 @@ conntrack_mt_v2(const struct sk_buff *skb, struct xt_action_param *par)
 	return conntrack_mt(skb, par, info->state_mask, info->status_mask);
 }
 
+static bool
+conntrack_mt_v3(const struct sk_buff *skb, struct xt_action_param *par)
+{
+	const struct xt_conntrack_mtinfo3 *info = par->matchinfo;
+
+	return conntrack_mt(skb, par, info->state_mask, info->status_mask);
+}
+
 static int conntrack_mt_check(const struct xt_mtchk_param *par)
 {
 	int ret;
@@ -244,6 +305,16 @@ static struct xt_match conntrack_mt_reg[] __read_mostly = {
 		.destroy    = conntrack_mt_destroy,
 		.me         = THIS_MODULE,
 	},
+	{
+		.name       = "conntrack",
+		.revision   = 3,
+		.family     = NFPROTO_UNSPEC,
+		.matchsize  = sizeof(struct xt_conntrack_mtinfo3),
+		.match      = conntrack_mt_v3,
+		.checkentry = conntrack_mt_check,
+		.destroy    = conntrack_mt_destroy,
+		.me         = THIS_MODULE,
+	},
 };
 
 static int __init conntrack_mt_init(void)
diff --git a/net/netfilter/xt_cpu.c b/net/netfilter/xt_cpu.c
index b39db8a5cbae..c7a2e5466bc4 100644
--- a/net/netfilter/xt_cpu.c
+++ b/net/netfilter/xt_cpu.c
@@ -22,6 +22,8 @@
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Eric Dumazet <eric.dumazet@gmail.com>");
 MODULE_DESCRIPTION("Xtables: CPU match");
+MODULE_ALIAS("ipt_cpu");
+MODULE_ALIAS("ip6t_cpu");
 
 static int cpu_mt_check(const struct xt_mtchk_param *par)
 {
diff --git a/net/netfilter/xt_ipvs.c b/net/netfilter/xt_ipvs.c
index 9127a3d8aa35..bb10b0717f1b 100644
--- a/net/netfilter/xt_ipvs.c
+++ b/net/netfilter/xt_ipvs.c
@@ -85,7 +85,7 @@ ipvs_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	/*
 	 * Check if the packet belongs to an existing entry
 	 */
-	cp = pp->conn_out_get(family, skb, pp, &iph, iph.len, 1 /* inverse */);
+	cp = pp->conn_out_get(family, skb, &iph, iph.len, 1 /* inverse */);
 	if (unlikely(cp == NULL)) {
 		match = false;
 		goto out;
diff --git a/net/sched/Kconfig b/net/sched/Kconfig
index 73431d4aa6ef..e318f458713e 100644
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -255,7 +255,7 @@ config NET_CLS_TCINDEX
 
 config NET_CLS_ROUTE4
 	tristate "Routing decision (ROUTE)"
-	select NET_CLS_ROUTE
+	select IP_ROUTE_CLASSID
 	select NET_CLS
 	---help---
 	  If you say Y here, you will be able to classify packets
@@ -264,9 +264,6 @@ config NET_CLS_ROUTE4
 	  To compile this code as a module, choose M here: the
 	  module will be called cls_route.
 
-config NET_CLS_ROUTE
-	bool
-
 config NET_CLS_FW
 	tristate "Netfilter mark (FW)"
 	select NET_CLS
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 5eec16e516b9..8ec01391d988 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -276,7 +276,7 @@ fallback:
 
 static u32 flow_get_rtclassid(const struct sk_buff *skb)
 {
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 	if (skb_dst(skb))
 		return skb_dst(skb)->tclassid;
 #endif
diff --git a/net/sched/em_meta.c b/net/sched/em_meta.c
index 7af1f65fe678..a889d099320f 100644
--- a/net/sched/em_meta.c
+++ b/net/sched/em_meta.c
@@ -252,7 +252,7 @@ META_COLLECTOR(int_rtclassid)
 	if (unlikely(skb_dst(skb) == NULL))
 		*err = -1;
 	else
-#ifdef CONFIG_NET_CLS_ROUTE
+#ifdef CONFIG_IP_ROUTE_CLASSID
 		dst->value = skb_dst(skb)->tclassid;
 #else
 		dst->value = 0;