Merge tag 'v3.11-rc1' into linaro-android-3.11-experimental-mergetracking-linaro-android-3.11-llct-20130801.0tracking-linaro-android-3.11-llct-20130723.0tracking-linaro-android-3.11-llct-20130718.0

Linux 3.11-rc1

Merged in v3.11-rc1 and fixed up a bunch of conflicts

Signed-off-by: John Stultz <john.stultz@linaro.org>

30 files changed, 586 insertions, 868 deletions

diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 857ca9f35177..2217363ab422 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -304,17 +304,26 @@ static struct pernet_operations netfilter_net_ops = {
 	.exit = netfilter_net_exit,
 };
 
-void __init netfilter_init(void)
+int __init netfilter_init(void)
 {
-	int i, h;
+	int i, h, ret;
+
 	for (i = 0; i < ARRAY_SIZE(nf_hooks); i++) {
 		for (h = 0; h < NF_MAX_HOOKS; h++)
 			INIT_LIST_HEAD(&nf_hooks[i][h]);
 	}
 
-	if (register_pernet_subsys(&netfilter_net_ops) < 0)
-		panic("cannot create netfilter proc entry");
+	ret = register_pernet_subsys(&netfilter_net_ops);
+	if (ret < 0)
+		goto err;
+
+	ret = netfilter_log_init();
+	if (ret < 0)
+		goto err_pernet;
 
-	if (netfilter_log_init() < 0)
-		panic("cannot initialize nf_log");
+	return 0;
+err_pernet:
+	unregister_pernet_subsys(&netfilter_net_ops);
+err:
+	return ret;
 }
diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c
index a083bda322b6..4c8e5c0aa1ab 100644
--- a/net/netfilter/ipvs/ip_vs_conn.c
+++ b/net/netfilter/ipvs/ip_vs_conn.c
@@ -975,8 +975,7 @@ static void *ip_vs_conn_array(struct seq_file *seq, loff_t pos)
 				return cp;
 			}
 		}
-		rcu_read_unlock();
-		rcu_read_lock();
+		cond_resched_rcu();
 	}
 
 	return NULL;
@@ -1015,8 +1014,7 @@ static void *ip_vs_conn_seq_next(struct seq_file *seq, void *v, loff_t *pos)
 			iter->l = &ip_vs_conn_tab[idx];
 			return cp;
 		}
-		rcu_read_unlock();
-		rcu_read_lock();
+		cond_resched_rcu();
 	}
 	iter->l = NULL;
 	return NULL;
@@ -1206,17 +1204,13 @@ void ip_vs_random_dropentry(struct net *net)
 	int idx;
 	struct ip_vs_conn *cp, *cp_c;
 
+	rcu_read_lock();
 	/*
 	 * Randomly scan 1/32 of the whole table every second
 	 */
 	for (idx = 0; idx < (ip_vs_conn_tab_size>>5); idx++) {
 		unsigned int hash = net_random() & ip_vs_conn_tab_mask;
 
-		/*
-		 *  Lock is actually needed in this loop.
-		 */
-		rcu_read_lock();
-
 		hlist_for_each_entry_rcu(cp, &ip_vs_conn_tab[hash], c_list) {
 			if (cp->flags & IP_VS_CONN_F_TEMPLATE)
 				/* connection template */
@@ -1237,6 +1231,18 @@ void ip_vs_random_dropentry(struct net *net)
 				default:
 					continue;
 				}
+			} else if (cp->protocol == IPPROTO_SCTP) {
+				switch (cp->state) {
+				case IP_VS_SCTP_S_INIT1:
+				case IP_VS_SCTP_S_INIT:
+					break;
+				case IP_VS_SCTP_S_ESTABLISHED:
+					if (todrop_entry(cp))
+						break;
+					continue;
+				default:
+					continue;
+				}
 			} else {
 				if (!todrop_entry(cp))
 					continue;
@@ -1252,8 +1258,9 @@ void ip_vs_random_dropentry(struct net *net)
 				__ip_vs_conn_put(cp);
 			}
 		}
-		rcu_read_unlock();
+		cond_resched_rcu();
 	}
+	rcu_read_unlock();
 }
 
 
@@ -1267,11 +1274,8 @@ static void ip_vs_conn_flush(struct net *net)
 	struct netns_ipvs *ipvs = net_ipvs(net);
 
 flush_again:
+	rcu_read_lock();
 	for (idx = 0; idx < ip_vs_conn_tab_size; idx++) {
-		/*
-		 *  Lock is actually needed in this loop.
-		 */
-		rcu_read_lock();
 
 		hlist_for_each_entry_rcu(cp, &ip_vs_conn_tab[idx], c_list) {
 			if (!ip_vs_conn_net_eq(cp, net))
@@ -1286,8 +1290,9 @@ flush_again:
 				__ip_vs_conn_put(cp);
 			}
 		}
-		rcu_read_unlock();
+		cond_resched_rcu();
 	}
+	rcu_read_unlock();
 
 	/* the counter may be not NULL, because maybe some conn entries
 	   are run by slow timer handler or unhashed but still referred */
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 23b8eb53a569..4f69e83ff836 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -305,7 +305,7 @@ ip_vs_sched_persist(struct ip_vs_service *svc,
 		 * return *ignored=0 i.e. ICMP and NF_DROP
 		 */
 		sched = rcu_dereference(svc->scheduler);
-		dest = sched->schedule(svc, skb);
+		dest = sched->schedule(svc, skb, iph);
 		if (!dest) {
 			IP_VS_DBG(1, "p-schedule: no dest found.\n");
 			kfree(param.pe_data);
@@ -452,7 +452,7 @@ ip_vs_schedule(struct ip_vs_service *svc, struct sk_buff *skb,
 	}
 
 	sched = rcu_dereference(svc->scheduler);
-	dest = sched->schedule(svc, skb);
+	dest = sched->schedule(svc, skb, iph);
 	if (dest == NULL) {
 		IP_VS_DBG(1, "Schedule: no dest found.\n");
 		return NULL;
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index 9e6c2a075a4c..c8148e487386 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1487,9 +1487,9 @@ ip_vs_forget_dev(struct ip_vs_dest *dest, struct net_device *dev)
  * Currently only NETDEV_DOWN is handled to release refs to cached dsts
  */
 static int ip_vs_dst_event(struct notifier_block *this, unsigned long event,
-			    void *ptr)
+			   void *ptr)
 {
-	struct net_device *dev = ptr;
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct net *net = dev_net(dev);
 	struct netns_ipvs *ipvs = net_ipvs(net);
 	struct ip_vs_service *svc;
@@ -1575,7 +1575,7 @@ static int zero;
 static int three = 3;
 
 static int
-proc_do_defense_mode(ctl_table *table, int write,
+proc_do_defense_mode(struct ctl_table *table, int write,
 		     void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	struct net *net = current->nsproxy->net_ns;
@@ -1596,7 +1596,7 @@ proc_do_defense_mode(ctl_table *table, int write,
 }
 
 static int
-proc_do_sync_threshold(ctl_table *table, int write,
+proc_do_sync_threshold(struct ctl_table *table, int write,
 		       void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	int *valp = table->data;
@@ -1616,7 +1616,7 @@ proc_do_sync_threshold(ctl_table *table, int write,
 }
 
 static int
-proc_do_sync_mode(ctl_table *table, int write,
+proc_do_sync_mode(struct ctl_table *table, int write,
 		     void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	int *valp = table->data;
@@ -1634,7 +1634,7 @@ proc_do_sync_mode(ctl_table *table, int write,
 }
 
 static int
-proc_do_sync_ports(ctl_table *table, int write,
+proc_do_sync_ports(struct ctl_table *table, int write,
 		   void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	int *valp = table->data;
@@ -1715,12 +1715,18 @@ static struct ctl_table vs_vars[] = {
 		.proc_handler	= &proc_do_sync_ports,
 	},
 	{
-		.procname	= "sync_qlen_max",
+		.procname	= "sync_persist_mode",
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
 	{
+		.procname	= "sync_qlen_max",
+		.maxlen		= sizeof(unsigned long),
+		.mode		= 0644,
+		.proc_handler	= proc_doulongvec_minmax,
+	},
+	{
 		.procname	= "sync_sock_size",
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
@@ -1739,6 +1745,18 @@ static struct ctl_table vs_vars[] = {
 		.proc_handler	= proc_dointvec,
 	},
 	{
+		.procname	= "sloppy_tcp",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{
+		.procname	= "sloppy_sctp",
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{
 		.procname	= "expire_quiescent_template",
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
@@ -3717,12 +3735,15 @@ static int __net_init ip_vs_control_net_init_sysctl(struct net *net)
 	tbl[idx++].data = &ipvs->sysctl_sync_ver;
 	ipvs->sysctl_sync_ports = 1;
 	tbl[idx++].data = &ipvs->sysctl_sync_ports;
+	tbl[idx++].data = &ipvs->sysctl_sync_persist_mode;
 	ipvs->sysctl_sync_qlen_max = nr_free_buffer_pages() / 32;
 	tbl[idx++].data = &ipvs->sysctl_sync_qlen_max;
 	ipvs->sysctl_sync_sock_size = 0;
 	tbl[idx++].data = &ipvs->sysctl_sync_sock_size;
 	tbl[idx++].data = &ipvs->sysctl_cache_bypass;
 	tbl[idx++].data = &ipvs->sysctl_expire_nodest_conn;
+	tbl[idx++].data = &ipvs->sysctl_sloppy_tcp;
+	tbl[idx++].data = &ipvs->sysctl_sloppy_sctp;
 	tbl[idx++].data = &ipvs->sysctl_expire_quiescent_template;
 	ipvs->sysctl_sync_threshold[0] = DEFAULT_SYNC_THRESHOLD;
 	ipvs->sysctl_sync_threshold[1] = DEFAULT_SYNC_PERIOD;
diff --git a/net/netfilter/ipvs/ip_vs_dh.c b/net/netfilter/ipvs/ip_vs_dh.c
index ccab120df45e..c3b84546ea9e 100644
--- a/net/netfilter/ipvs/ip_vs_dh.c
+++ b/net/netfilter/ipvs/ip_vs_dh.c
@@ -214,18 +214,16 @@ static inline int is_overloaded(struct ip_vs_dest *dest)
  *      Destination hashing scheduling
  */
 static struct ip_vs_dest *
-ip_vs_dh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_dh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		  struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_dest *dest;
 	struct ip_vs_dh_state *s;
-	struct ip_vs_iphdr iph;
-
-	ip_vs_fill_iph_addr_only(svc->af, skb, &iph);
 
 	IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
 
 	s = (struct ip_vs_dh_state *) svc->sched_data;
-	dest = ip_vs_dh_get(svc->af, s, &iph.daddr);
+	dest = ip_vs_dh_get(svc->af, s, &iph->daddr);
 	if (!dest
 	    || !(dest->flags & IP_VS_DEST_F_AVAILABLE)
 	    || atomic_read(&dest->weight) <= 0
@@ -235,7 +233,7 @@ ip_vs_dh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	}
 
 	IP_VS_DBG_BUF(6, "DH: destination IP address %s --> server %s:%d\n",
-		      IP_VS_DBG_ADDR(svc->af, &iph.daddr),
+		      IP_VS_DBG_ADDR(svc->af, &iph->daddr),
 		      IP_VS_DBG_ADDR(svc->af, &dest->addr),
 		      ntohs(dest->port));
 
diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c
index 5ea26bd87743..1383b0eadc0e 100644
--- a/net/netfilter/ipvs/ip_vs_lblc.c
+++ b/net/netfilter/ipvs/ip_vs_lblc.c
@@ -118,7 +118,7 @@ struct ip_vs_lblc_table {
  *      IPVS LBLC sysctl table
  */
 #ifdef CONFIG_SYSCTL
-static ctl_table vs_vars_table[] = {
+static struct ctl_table vs_vars_table[] = {
 	{
 		.procname	= "lblc_expiration",
 		.data		= NULL,
@@ -487,19 +487,17 @@ is_overloaded(struct ip_vs_dest *dest, struct ip_vs_service *svc)
  *    Locality-Based (weighted) Least-Connection scheduling
  */
 static struct ip_vs_dest *
-ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		    struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_lblc_table *tbl = svc->sched_data;
-	struct ip_vs_iphdr iph;
 	struct ip_vs_dest *dest = NULL;
 	struct ip_vs_lblc_entry *en;
 
-	ip_vs_fill_iph_addr_only(svc->af, skb, &iph);
-
 	IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
 
 	/* First look in our cache */
-	en = ip_vs_lblc_get(svc->af, tbl, &iph.daddr);
+	en = ip_vs_lblc_get(svc->af, tbl, &iph->daddr);
 	if (en) {
 		/* We only hold a read lock, but this is atomic */
 		en->lastuse = jiffies;
@@ -529,12 +527,12 @@ ip_vs_lblc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	/* If we fail to create a cache entry, we'll just use the valid dest */
 	spin_lock_bh(&svc->sched_lock);
 	if (!tbl->dead)
-		ip_vs_lblc_new(tbl, &iph.daddr, dest);
+		ip_vs_lblc_new(tbl, &iph->daddr, dest);
 	spin_unlock_bh(&svc->sched_lock);
 
 out:
 	IP_VS_DBG_BUF(6, "LBLC: destination IP address %s --> server %s:%d\n",
-		      IP_VS_DBG_ADDR(svc->af, &iph.daddr),
+		      IP_VS_DBG_ADDR(svc->af, &iph->daddr),
 		      IP_VS_DBG_ADDR(svc->af, &dest->addr), ntohs(dest->port));
 
 	return dest;
diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c
index 50123c2ab484..3cd85b2fc67c 100644
--- a/net/netfilter/ipvs/ip_vs_lblcr.c
+++ b/net/netfilter/ipvs/ip_vs_lblcr.c
@@ -299,7 +299,7 @@ struct ip_vs_lblcr_table {
  *      IPVS LBLCR sysctl table
  */
 
-static ctl_table vs_vars_table[] = {
+static struct ctl_table vs_vars_table[] = {
 	{
 		.procname	= "lblcr_expiration",
 		.data		= NULL,
@@ -655,19 +655,17 @@ is_overloaded(struct ip_vs_dest *dest, struct ip_vs_service *svc)
  *    Locality-Based (weighted) Least-Connection scheduling
  */
 static struct ip_vs_dest *
-ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		     struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_lblcr_table *tbl = svc->sched_data;
-	struct ip_vs_iphdr iph;
 	struct ip_vs_dest *dest;
 	struct ip_vs_lblcr_entry *en;
 
-	ip_vs_fill_iph_addr_only(svc->af, skb, &iph);
-
 	IP_VS_DBG(6, "%s(): Scheduling...\n", __func__);
 
 	/* First look in our cache */
-	en = ip_vs_lblcr_get(svc->af, tbl, &iph.daddr);
+	en = ip_vs_lblcr_get(svc->af, tbl, &iph->daddr);
 	if (en) {
 		en->lastuse = jiffies;
 
@@ -718,12 +716,12 @@ ip_vs_lblcr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
 	/* If we fail to create a cache entry, we'll just use the valid dest */
 	spin_lock_bh(&svc->sched_lock);
 	if (!tbl->dead)
-		ip_vs_lblcr_new(tbl, &iph.daddr, dest);
+		ip_vs_lblcr_new(tbl, &iph->daddr, dest);
 	spin_unlock_bh(&svc->sched_lock);
 
 out:
 	IP_VS_DBG_BUF(6, "LBLCR: destination IP address %s --> server %s:%d\n",
-		      IP_VS_DBG_ADDR(svc->af, &iph.daddr),
+		      IP_VS_DBG_ADDR(svc->af, &iph->daddr),
 		      IP_VS_DBG_ADDR(svc->af, &dest->addr), ntohs(dest->port));
 
 	return dest;
diff --git a/net/netfilter/ipvs/ip_vs_lc.c b/net/netfilter/ipvs/ip_vs_lc.c
index 5128e338a749..2bdcb1cf2127 100644
--- a/net/netfilter/ipvs/ip_vs_lc.c
+++ b/net/netfilter/ipvs/ip_vs_lc.c
@@ -26,7 +26,8 @@
  *	Least Connection scheduling
  */
 static struct ip_vs_dest *
-ip_vs_lc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_lc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		  struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_dest *dest, *least = NULL;
 	unsigned int loh = 0, doh;
diff --git a/net/netfilter/ipvs/ip_vs_nq.c b/net/netfilter/ipvs/ip_vs_nq.c
index 646cfd4baa73..d8d9860934fe 100644
--- a/net/netfilter/ipvs/ip_vs_nq.c
+++ b/net/netfilter/ipvs/ip_vs_nq.c
@@ -55,7 +55,8 @@ ip_vs_nq_dest_overhead(struct ip_vs_dest *dest)
  *	Weighted Least Connection scheduling
  */
 static struct ip_vs_dest *
-ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_nq_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		  struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_dest *dest, *least = NULL;
 	unsigned int loh = 0, doh;
diff --git a/net/netfilter/ipvs/ip_vs_proto_sctp.c b/net/netfilter/ipvs/ip_vs_proto_sctp.c
index 86464881cd20..3c0da8728036 100644
--- a/net/netfilter/ipvs/ip_vs_proto_sctp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_sctp.c
@@ -15,6 +15,7 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 {
 	struct net *net;
 	struct ip_vs_service *svc;
+	struct netns_ipvs *ipvs;
 	sctp_chunkhdr_t _schunkh, *sch;
 	sctp_sctphdr_t *sh, _sctph;
 
@@ -27,13 +28,14 @@ sctp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 	if (sch == NULL)
 		return 0;
 	net = skb_net(skb);
+	ipvs = net_ipvs(net);
 	rcu_read_lock();
-	if ((sch->type == SCTP_CID_INIT) &&
+	if ((sch->type == SCTP_CID_INIT || sysctl_sloppy_sctp(ipvs)) &&
 	    (svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
 				      &iph->daddr, sh->dest))) {
 		int ignored;
 
-		if (ip_vs_todrop(net_ipvs(net))) {
+		if (ip_vs_todrop(ipvs)) {
 			/*
 			 * It seems that we are very loaded.
 			 * We have to drop this packet :(
@@ -183,710 +185,159 @@ sctp_csum_check(int af, struct sk_buff *skb, struct ip_vs_protocol *pp)
 	return 1;
 }
 
-struct ipvs_sctp_nextstate {
-	int next_state;
-};
 enum ipvs_sctp_event_t {
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_DATA_SER,
-	IP_VS_SCTP_EVE_INIT_CLI,
-	IP_VS_SCTP_EVE_INIT_SER,
-	IP_VS_SCTP_EVE_INIT_ACK_CLI,
-	IP_VS_SCTP_EVE_INIT_ACK_SER,
-	IP_VS_SCTP_EVE_COOKIE_ECHO_CLI,
-	IP_VS_SCTP_EVE_COOKIE_ECHO_SER,
-	IP_VS_SCTP_EVE_COOKIE_ACK_CLI,
-	IP_VS_SCTP_EVE_COOKIE_ACK_SER,
-	IP_VS_SCTP_EVE_ABORT_CLI,
-	IP_VS_SCTP_EVE__ABORT_SER,
-	IP_VS_SCTP_EVE_SHUT_CLI,
-	IP_VS_SCTP_EVE_SHUT_SER,
-	IP_VS_SCTP_EVE_SHUT_ACK_CLI,
-	IP_VS_SCTP_EVE_SHUT_ACK_SER,
-	IP_VS_SCTP_EVE_SHUT_COM_CLI,
-	IP_VS_SCTP_EVE_SHUT_COM_SER,
-	IP_VS_SCTP_EVE_LAST
+	IP_VS_SCTP_DATA = 0,		/* DATA, SACK, HEARTBEATs */
+	IP_VS_SCTP_INIT,
+	IP_VS_SCTP_INIT_ACK,
+	IP_VS_SCTP_COOKIE_ECHO,
+	IP_VS_SCTP_COOKIE_ACK,
+	IP_VS_SCTP_SHUTDOWN,
+	IP_VS_SCTP_SHUTDOWN_ACK,
+	IP_VS_SCTP_SHUTDOWN_COMPLETE,
+	IP_VS_SCTP_ERROR,
+	IP_VS_SCTP_ABORT,
+	IP_VS_SCTP_EVENT_LAST
 };
 
-static enum ipvs_sctp_event_t sctp_events[256] = {
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_INIT_CLI,
-	IP_VS_SCTP_EVE_INIT_ACK_CLI,
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_ABORT_CLI,
-	IP_VS_SCTP_EVE_SHUT_CLI,
-	IP_VS_SCTP_EVE_SHUT_ACK_CLI,
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_COOKIE_ECHO_CLI,
-	IP_VS_SCTP_EVE_COOKIE_ACK_CLI,
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_DATA_CLI,
-	IP_VS_SCTP_EVE_SHUT_COM_CLI,
+/* RFC 2960, 3.2 Chunk Field Descriptions */
+static __u8 sctp_events[] = {
+	[SCTP_CID_DATA]			= IP_VS_SCTP_DATA,
+	[SCTP_CID_INIT]			= IP_VS_SCTP_INIT,
+	[SCTP_CID_INIT_ACK]		= IP_VS_SCTP_INIT_ACK,
+	[SCTP_CID_SACK]			= IP_VS_SCTP_DATA,
+	[SCTP_CID_HEARTBEAT]		= IP_VS_SCTP_DATA,
+	[SCTP_CID_HEARTBEAT_ACK]	= IP_VS_SCTP_DATA,
+	[SCTP_CID_ABORT]		= IP_VS_SCTP_ABORT,
+	[SCTP_CID_SHUTDOWN]		= IP_VS_SCTP_SHUTDOWN,
+	[SCTP_CID_SHUTDOWN_ACK]		= IP_VS_SCTP_SHUTDOWN_ACK,
+	[SCTP_CID_ERROR]		= IP_VS_SCTP_ERROR,
+	[SCTP_CID_COOKIE_ECHO]		= IP_VS_SCTP_COOKIE_ECHO,
+	[SCTP_CID_COOKIE_ACK]		= IP_VS_SCTP_COOKIE_ACK,
+	[SCTP_CID_ECN_ECNE]		= IP_VS_SCTP_DATA,
+	[SCTP_CID_ECN_CWR]		= IP_VS_SCTP_DATA,
+	[SCTP_CID_SHUTDOWN_COMPLETE]	= IP_VS_SCTP_SHUTDOWN_COMPLETE,
 };
 
-static struct ipvs_sctp_nextstate
- sctp_states_table[IP_VS_SCTP_S_LAST][IP_VS_SCTP_EVE_LAST] = {
-	/*
-	 * STATE : IP_VS_SCTP_S_NONE
-	 */
-	/*next state *//*event */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ },
-	 },
-	/*
-	 * STATE : IP_VS_SCTP_S_INIT_CLI
-	 * Cient sent INIT and is waiting for reply from server(In ECHO_WAIT)
-	 */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_INIT_ACK_SER /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_ECHO_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_INIT_SER
-	 * Server sent INIT and waiting for INIT ACK from the client
-	 */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 {IP_VS_SCTP_S_INIT_ACK_CLI /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_INIT_ACK_CLI
-	 * Client sent INIT ACK and waiting for ECHO from the server
-	 */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK has been resent by the client, let us stay is in
-	  * the same state
-	  */
-	 {IP_VS_SCTP_S_INIT_ACK_CLI /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 /*
-	  * INIT_ACK sent by the server, close the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * ECHO by client, it should not happen, close the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 /*
-	  * ECHO by server, this is what we are expecting, move to ECHO_SER
-	  */
-	 {IP_VS_SCTP_S_ECHO_SER /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, it should not happen, close the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 /*
-	  * Unexpected COOKIE ACK from server, staty in the same state
-	  */
-	 {IP_VS_SCTP_S_INIT_ACK_CLI /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_INIT_ACK_SER
-	 * Server sent INIT ACK and waiting for ECHO from the client
-	 */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * Unexpected INIT_ACK by the client, let us close the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 /*
-	  * INIT_ACK resent by the server, let us move to same state
-	  */
-	 {IP_VS_SCTP_S_INIT_ACK_SER /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client send the ECHO, this is what we are expecting,
-	  * move to ECHO_CLI
-	  */
-	 {IP_VS_SCTP_S_ECHO_CLI /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 /*
-	  * ECHO received from the server, Not sure what to do,
-	  * let us close it
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, let us stay in the same state
-	  */
-	 {IP_VS_SCTP_S_INIT_ACK_SER /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 /*
-	  * COOKIE ACK from server, hmm... this should not happen, lets close
-	  * the connection.
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_ECHO_CLI
-	 * Cient  sent ECHO and waiting COOKEI ACK from the Server
-	 */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK has been by the client, let us close the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 /*
-	  * INIT_ACK sent by the server, Unexpected INIT ACK, spec says,
-	  * “If an INIT ACK is received by an endpoint in any state other
-	  * than the COOKIE-WAIT state, the endpoint should discard the
-	  * INIT ACK chunk”. Stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ECHO_CLI /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client resent the ECHO, let us stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ECHO_CLI /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 /*
-	  * ECHO received from the server, Not sure what to do,
-	  * let us close it
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, this shoud not happen, let's close the
-	  * connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 /*
-	  * COOKIE ACK from server, this is what we are awaiting,lets move to
-	  * ESTABLISHED.
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_ECHO_SER
-	 * Server sent ECHO and waiting COOKEI ACK from the client
-	 */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK sent by the server, Unexpected INIT ACK, spec says,
-	  * “If an INIT ACK is received by an endpoint in any state other
-	  * than the COOKIE-WAIT state, the endpoint should discard the
-	  * INIT ACK chunk”. Stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ECHO_SER /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 /*
-	  * INIT_ACK has been by the server, let us close the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client sent the ECHO, not sure what to do, let's close the
-	  * connection.
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 /*
-	  * ECHO resent by the server, stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ECHO_SER /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, this is what we are expecting, let's move
-	  * to ESTABLISHED.
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 /*
-	  * COOKIE ACK from server, this should not happen, lets close the
-	  * connection.
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_ESTABLISHED
-	 * Association established
-	 */
-	{{IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK sent by the server, Unexpected INIT ACK, spec says,
-	  * “If an INIT ACK is received by an endpoint in any state other
-	  * than the COOKIE-WAIT state, the endpoint should discard the
-	  * INIT ACK chunk”. Stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client sent ECHO, Spec(sec 5.2.4) says it may be handled by the
-	  * peer and peer shall move to the ESTABISHED. if it doesn't handle
-	  * it will send ERROR chunk. So, stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, not sure what to do stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 /*
-	  * SHUTDOWN from the client, move to SHUDDOWN_CLI
-	  */
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 /*
-	  * SHUTDOWN from the server, move to SHUTDOWN_SER
-	  */
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 /*
-	  * client sent SHUDTDOWN_ACK, this should not happen, let's close
-	  * the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_SHUT_CLI
-	 * SHUTDOWN sent from the client, waitinf for SHUT ACK from the server
-	 */
-	/*
-	 * We received the data chuck, keep the state unchanged. I assume
-	 * that still data chuncks  can be received by both the peers in
-	 * SHUDOWN state
-	 */
-
-	{{IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK sent by the server, Unexpected INIT ACK, spec says,
-	  * “If an INIT ACK is received by an endpoint in any state other
-	  * than the COOKIE-WAIT state, the endpoint should discard the
-	  * INIT ACK chunk”. Stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client sent ECHO, Spec(sec 5.2.4) says it may be handled by the
-	  * peer and peer shall move to the ESTABISHED. if it doesn't handle
-	  * it will send ERROR chunk. So, stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, not sure what to do stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 /*
-	  * SHUTDOWN resent from the client, move to SHUDDOWN_CLI
-	  */
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 /*
-	  * SHUTDOWN from the server, move to SHUTDOWN_SER
-	  */
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 /*
-	  * client sent SHUDTDOWN_ACK, this should not happen, let's close
-	  * the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 /*
-	  * Server sent SHUTDOWN ACK, this is what we are expecting, let's move
-	  * to SHUDOWN_ACK_SER
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 /*
-	  * SHUTDOWN COM from client, this should not happen, let's close the
-	  * connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_SHUT_SER
-	 * SHUTDOWN sent from the server, waitinf for SHUTDOWN ACK from client
-	 */
-	/*
-	 * We received the data chuck, keep the state unchanged. I assume
-	 * that still data chuncks  can be received by both the peers in
-	 * SHUDOWN state
-	 */
-
-	{{IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK sent by the server, Unexpected INIT ACK, spec says,
-	  * “If an INIT ACK is received by an endpoint in any state other
-	  * than the COOKIE-WAIT state, the endpoint should discard the
-	  * INIT ACK chunk”. Stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client sent ECHO, Spec(sec 5.2.4) says it may be handled by the
-	  * peer and peer shall move to the ESTABISHED. if it doesn't handle
-	  * it will send ERROR chunk. So, stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, not sure what to do stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 /*
-	  * SHUTDOWN resent from the client, move to SHUDDOWN_CLI
-	  */
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 /*
-	  * SHUTDOWN resent from the server, move to SHUTDOWN_SER
-	  */
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 /*
-	  * client sent SHUDTDOWN_ACK, this is what we are expecting, let's
-	  * move to SHUT_ACK_CLI
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 /*
-	  * Server sent SHUTDOWN ACK, this should not happen, let's close the
-	  * connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 /*
-	  * SHUTDOWN COM from client, this should not happen, let's close the
-	  * connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-
-	/*
-	 * State : IP_VS_SCTP_S_SHUT_ACK_CLI
-	 * SHUTDOWN ACK from the client, awaiting for SHUTDOWN COM from server
-	 */
-	/*
-	 * We received the data chuck, keep the state unchanged. I assume
-	 * that still data chuncks  can be received by both the peers in
-	 * SHUDOWN state
-	 */
-
-	{{IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK sent by the server, Unexpected INIT ACK, spec says,
-	  * “If an INIT ACK is received by an endpoint in any state other
-	  * than the COOKIE-WAIT state, the endpoint should discard the
-	  * INIT ACK chunk”. Stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client sent ECHO, Spec(sec 5.2.4) says it may be handled by the
-	  * peer and peer shall move to the ESTABISHED. if it doesn't handle
-	  * it will send ERROR chunk. So, stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, not sure what to do stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 /*
-	  * SHUTDOWN sent from the client, move to SHUDDOWN_CLI
-	  */
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 /*
-	  * SHUTDOWN sent from the server, move to SHUTDOWN_SER
-	  */
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 /*
-	  * client resent SHUDTDOWN_ACK, let's stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_CLI /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 /*
-	  * Server sent SHUTDOWN ACK, this should not happen, let's close the
-	  * connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 /*
-	  * SHUTDOWN COM from client, this should not happen, let's close the
-	  * connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 /*
-	  * SHUTDOWN COMPLETE from server this is what we are expecting.
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-
-	/*
-	 * State : IP_VS_SCTP_S_SHUT_ACK_SER
-	 * SHUTDOWN ACK from the server, awaiting for SHUTDOWN COM from client
-	 */
-	/*
-	 * We received the data chuck, keep the state unchanged. I assume
-	 * that still data chuncks  can be received by both the peers in
-	 * SHUDOWN state
-	 */
+/* SCTP States:
+ * See RFC 2960, 4. SCTP Association State Diagram
+ *
+ * New states (not in diagram):
+ * - INIT1 state: use shorter timeout for dropped INIT packets
+ * - REJECTED state: use shorter timeout if INIT is rejected with ABORT
+ * - INIT, COOKIE_SENT, COOKIE_REPLIED, COOKIE states: for better debugging
+ *
+ * The states are as seen in real server. In the diagram, INIT1, INIT,
+ * COOKIE_SENT and COOKIE_REPLIED processing happens in CLOSED state.
+ *
+ * States as per packets from client (C) and server (S):
+ *
+ * Setup of client connection:
+ * IP_VS_SCTP_S_INIT1: First C:INIT sent, wait for S:INIT-ACK
+ * IP_VS_SCTP_S_INIT: Next C:INIT sent, wait for S:INIT-ACK
+ * IP_VS_SCTP_S_COOKIE_SENT: S:INIT-ACK sent, wait for C:COOKIE-ECHO
+ * IP_VS_SCTP_S_COOKIE_REPLIED: C:COOKIE-ECHO sent, wait for S:COOKIE-ACK
+ *
+ * Setup of server connection:
+ * IP_VS_SCTP_S_COOKIE_WAIT: S:INIT sent, wait for C:INIT-ACK
+ * IP_VS_SCTP_S_COOKIE: C:INIT-ACK sent, wait for S:COOKIE-ECHO
+ * IP_VS_SCTP_S_COOKIE_ECHOED: S:COOKIE-ECHO sent, wait for C:COOKIE-ACK
+ */
 
-	{{IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 /*
-	  * We have got an INIT from client. From the spec.“Upon receipt of
-	  * an INIT in the COOKIE-WAIT state, an endpoint MUST respond with
-	  * an INIT ACK using the same parameters it sent in its  original
-	  * INIT chunk (including its Initiate Tag, unchanged”).
-	  */
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 /*
-	  * INIT_ACK sent by the server, Unexpected INIT ACK, spec says,
-	  * “If an INIT ACK is received by an endpoint in any state other
-	  * than the COOKIE-WAIT state, the endpoint should discard the
-	  * INIT ACK chunk”. Stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 /*
-	  * Client sent ECHO, Spec(sec 5.2.4) says it may be handled by the
-	  * peer and peer shall move to the ESTABISHED. if it doesn't handle
-	  * it will send ERROR chunk. So, stay in the same state
-	  */
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_ESTABLISHED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 /*
-	  * COOKIE ACK from client, not sure what to do stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 /*
-	  * SHUTDOWN sent from the client, move to SHUDDOWN_CLI
-	  */
-	 {IP_VS_SCTP_S_SHUT_CLI /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 /*
-	  * SHUTDOWN sent from the server, move to SHUTDOWN_SER
-	  */
-	 {IP_VS_SCTP_S_SHUT_SER /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 /*
-	  * client sent SHUDTDOWN_ACK, this should not happen let's close
-	  * the connection.
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 /*
-	  * Server resent SHUTDOWN ACK, stay in the same state
-	  */
-	 {IP_VS_SCTP_S_SHUT_ACK_SER /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 /*
-	  * SHUTDOWN COM from client, this what we are expecting, let's close
-	  * the connection
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 /*
-	  * SHUTDOWN COMPLETE from server this should not happen.
-	  */
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 },
-	/*
-	 * State : IP_VS_SCTP_S_CLOSED
-	 */
-	{{IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_DATA_SER */ },
-	 {IP_VS_SCTP_S_INIT_CLI /* IP_VS_SCTP_EVE_INIT_CLI */ },
-	 {IP_VS_SCTP_S_INIT_SER /* IP_VS_SCTP_EVE_INIT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_INIT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ECHO_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_COOKIE_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_ABORT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_ACK_SER */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_CLI */ },
-	 {IP_VS_SCTP_S_CLOSED /* IP_VS_SCTP_EVE_SHUT_COM_SER */ }
-	 }
+#define sNO IP_VS_SCTP_S_NONE
+#define sI1 IP_VS_SCTP_S_INIT1
+#define sIN IP_VS_SCTP_S_INIT
+#define sCS IP_VS_SCTP_S_COOKIE_SENT
+#define sCR IP_VS_SCTP_S_COOKIE_REPLIED
+#define sCW IP_VS_SCTP_S_COOKIE_WAIT
+#define sCO IP_VS_SCTP_S_COOKIE
+#define sCE IP_VS_SCTP_S_COOKIE_ECHOED
+#define sES IP_VS_SCTP_S_ESTABLISHED
+#define sSS IP_VS_SCTP_S_SHUTDOWN_SENT
+#define sSR IP_VS_SCTP_S_SHUTDOWN_RECEIVED
+#define sSA IP_VS_SCTP_S_SHUTDOWN_ACK_SENT
+#define sRJ IP_VS_SCTP_S_REJECTED
+#define sCL IP_VS_SCTP_S_CLOSED
+
+static const __u8 sctp_states
+	[IP_VS_DIR_LAST][IP_VS_SCTP_EVENT_LAST][IP_VS_SCTP_S_LAST] = {
+	{ /* INPUT */
+/*        sNO, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL*/
+/* d   */{sES, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* i   */{sI1, sIN, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sIN, sIN},
+/* i_a */{sCW, sCW, sCW, sCS, sCR, sCO, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* c_e */{sCR, sIN, sIN, sCR, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* c_a */{sES, sI1, sIN, sCS, sCR, sCW, sCO, sES, sES, sSS, sSR, sSA, sRJ, sCL},
+/* s   */{sSR, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sSR, sSS, sSR, sSA, sRJ, sCL},
+/* s_a */{sCL, sIN, sIN, sCS, sCR, sCW, sCO, sCE, sES, sCL, sSR, sCL, sRJ, sCL},
+/* s_c */{sCL, sCL, sCL, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sCL, sRJ, sCL},
+/* err */{sCL, sI1, sIN, sCS, sCR, sCW, sCO, sCL, sES, sSS, sSR, sSA, sRJ, sCL},
+/* ab  */{sCL, sCL, sCL, sCL, sCL, sRJ, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL},
+	},
+	{ /* OUTPUT */
+/*        sNO, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL*/
+/* d   */{sES, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* i   */{sCW, sCW, sCW, sCW, sCW, sCW, sCW, sCW, sES, sCW, sCW, sCW, sCW, sCW},
+/* i_a */{sCS, sCS, sCS, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* c_e */{sCE, sCE, sCE, sCE, sCE, sCE, sCE, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* c_a */{sES, sES, sES, sES, sES, sES, sES, sES, sES, sSS, sSR, sSA, sRJ, sCL},
+/* s   */{sSS, sSS, sSS, sSS, sSS, sSS, sSS, sSS, sSS, sSS, sSR, sSA, sRJ, sCL},
+/* s_a */{sSA, sSA, sSA, sSA, sSA, sCW, sCO, sCE, sES, sSA, sSA, sSA, sRJ, sCL},
+/* s_c */{sCL, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* err */{sCL, sCL, sCL, sCL, sCL, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* ab  */{sCL, sRJ, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL},
+	},
+	{ /* INPUT-ONLY */
+/*        sNO, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL*/
+/* d   */{sES, sI1, sIN, sCS, sCR, sES, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* i   */{sI1, sIN, sIN, sIN, sIN, sIN, sCO, sCE, sES, sSS, sSR, sSA, sIN, sIN},
+/* i_a */{sCE, sCE, sCE, sCE, sCE, sCE, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* c_e */{sES, sES, sES, sES, sES, sES, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* c_a */{sES, sI1, sIN, sES, sES, sCW, sES, sES, sES, sSS, sSR, sSA, sRJ, sCL},
+/* s   */{sSR, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sSR, sSS, sSR, sSA, sRJ, sCL},
+/* s_a */{sCL, sIN, sIN, sCS, sCR, sCW, sCO, sCE, sCL, sCL, sSR, sCL, sRJ, sCL},
+/* s_c */{sCL, sCL, sCL, sCL, sCL, sCW, sCO, sCE, sES, sSS, sCL, sCL, sRJ, sCL},
+/* err */{sCL, sI1, sIN, sCS, sCR, sCW, sCO, sCE, sES, sSS, sSR, sSA, sRJ, sCL},
+/* ab  */{sCL, sCL, sCL, sCL, sCL, sRJ, sCL, sCL, sCL, sCL, sCL, sCL, sCL, sCL},
+	},
 };
 
-/*
- *      Timeout table[state]
- */
+#define IP_VS_SCTP_MAX_RTO	((60 + 1) * HZ)
+
+/* Timeout table[state] */
 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,
-	[IP_VS_SCTP_S_INIT_ACK_CLI] =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_INIT_ACK_SER] =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_ECHO_CLI]     =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_ECHO_SER]     =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_ESTABLISHED]  =    15 * 60 * HZ,
-	[IP_VS_SCTP_S_SHUT_CLI]     =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_SHUT_SER]     =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_SHUT_ACK_CLI] =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_SHUT_ACK_SER] =     1 * 60 * HZ,
-	[IP_VS_SCTP_S_CLOSED]       =    10 * HZ,
-	[IP_VS_SCTP_S_LAST]         =     2 * HZ,
+	[IP_VS_SCTP_S_NONE]			= 2 * HZ,
+	[IP_VS_SCTP_S_INIT1]			= (0 + 3 + 1) * HZ,
+	[IP_VS_SCTP_S_INIT]			= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_COOKIE_SENT]		= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_COOKIE_REPLIED]		= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_COOKIE_WAIT]		= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_COOKIE]			= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_COOKIE_ECHOED]		= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_ESTABLISHED]		= 15 * 60 * HZ,
+	[IP_VS_SCTP_S_SHUTDOWN_SENT]		= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_SHUTDOWN_RECEIVED]	= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_SHUTDOWN_ACK_SENT]	= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_REJECTED]			= (0 + 3 + 1) * HZ,
+	[IP_VS_SCTP_S_CLOSED]			= IP_VS_SCTP_MAX_RTO,
+	[IP_VS_SCTP_S_LAST]			= 2 * HZ,
 };
 
 static const char *sctp_state_name_table[IP_VS_SCTP_S_LAST + 1] = {
-	[IP_VS_SCTP_S_NONE]         =    "NONE",
-	[IP_VS_SCTP_S_INIT_CLI]     =    "INIT_CLI",
-	[IP_VS_SCTP_S_INIT_SER]     =    "INIT_SER",
-	[IP_VS_SCTP_S_INIT_ACK_CLI] =    "INIT_ACK_CLI",
-	[IP_VS_SCTP_S_INIT_ACK_SER] =    "INIT_ACK_SER",
-	[IP_VS_SCTP_S_ECHO_CLI]     =    "COOKIE_ECHO_CLI",
-	[IP_VS_SCTP_S_ECHO_SER]     =    "COOKIE_ECHO_SER",
-	[IP_VS_SCTP_S_ESTABLISHED]  =    "ESTABISHED",
-	[IP_VS_SCTP_S_SHUT_CLI]     =    "SHUTDOWN_CLI",
-	[IP_VS_SCTP_S_SHUT_SER]     =    "SHUTDOWN_SER",
-	[IP_VS_SCTP_S_SHUT_ACK_CLI] =    "SHUTDOWN_ACK_CLI",
-	[IP_VS_SCTP_S_SHUT_ACK_SER] =    "SHUTDOWN_ACK_SER",
-	[IP_VS_SCTP_S_CLOSED]       =    "CLOSED",
-	[IP_VS_SCTP_S_LAST]         =    "BUG!"
+	[IP_VS_SCTP_S_NONE]			= "NONE",
+	[IP_VS_SCTP_S_INIT1]			= "INIT1",
+	[IP_VS_SCTP_S_INIT]			= "INIT",
+	[IP_VS_SCTP_S_COOKIE_SENT]		= "C-SENT",
+	[IP_VS_SCTP_S_COOKIE_REPLIED]		= "C-REPLIED",
+	[IP_VS_SCTP_S_COOKIE_WAIT]		= "C-WAIT",
+	[IP_VS_SCTP_S_COOKIE]			= "COOKIE",
+	[IP_VS_SCTP_S_COOKIE_ECHOED]		= "C-ECHOED",
+	[IP_VS_SCTP_S_ESTABLISHED]		= "ESTABLISHED",
+	[IP_VS_SCTP_S_SHUTDOWN_SENT]		= "S-SENT",
+	[IP_VS_SCTP_S_SHUTDOWN_RECEIVED]	= "S-RECEIVED",
+	[IP_VS_SCTP_S_SHUTDOWN_ACK_SENT]	= "S-ACK-SENT",
+	[IP_VS_SCTP_S_REJECTED]			= "REJECTED",
+	[IP_VS_SCTP_S_CLOSED]			= "CLOSED",
+	[IP_VS_SCTP_S_LAST]			= "BUG!",
 };
 
 
@@ -943,17 +394,20 @@ set_sctp_state(struct ip_vs_proto_data *pd, struct ip_vs_conn *cp,
 		}
 	}
 
-	event = sctp_events[chunk_type];
+	event = (chunk_type < sizeof(sctp_events)) ?
+		sctp_events[chunk_type] : IP_VS_SCTP_DATA;
 
-	/*
-	 *  If the direction is IP_VS_DIR_OUTPUT, this event is from server
-	 */
-	if (direction == IP_VS_DIR_OUTPUT)
-		event++;
-	/*
-	 * get next state
+	/* Update direction to INPUT_ONLY if necessary
+	 * or delete NO_OUTPUT flag if output packet detected
 	 */
-	next_state = sctp_states_table[cp->state][event].next_state;
+	if (cp->flags & IP_VS_CONN_F_NOOUTPUT) {
+		if (direction == IP_VS_DIR_OUTPUT)
+			cp->flags &= ~IP_VS_CONN_F_NOOUTPUT;
+		else
+			direction = IP_VS_DIR_INPUT_ONLY;
+	}
+
+	next_state = sctp_states[direction][event][cp->state];
 
 	if (next_state != cp->state) {
 		struct ip_vs_dest *dest = cp->dest;
diff --git a/net/netfilter/ipvs/ip_vs_proto_tcp.c b/net/netfilter/ipvs/ip_vs_proto_tcp.c
index 50a15944c6c1..e3a697234a98 100644
--- a/net/netfilter/ipvs/ip_vs_proto_tcp.c
+++ b/net/netfilter/ipvs/ip_vs_proto_tcp.c
@@ -39,6 +39,7 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 	struct net *net;
 	struct ip_vs_service *svc;
 	struct tcphdr _tcph, *th;
+	struct netns_ipvs *ipvs;
 
 	th = skb_header_pointer(skb, iph->len, sizeof(_tcph), &_tcph);
 	if (th == NULL) {
@@ -46,14 +47,15 @@ tcp_conn_schedule(int af, struct sk_buff *skb, struct ip_vs_proto_data *pd,
 		return 0;
 	}
 	net = skb_net(skb);
+	ipvs = net_ipvs(net);
 	/* No !th->ack check to allow scheduling on SYN+ACK for Active FTP */
 	rcu_read_lock();
-	if (th->syn &&
+	if ((th->syn || sysctl_sloppy_tcp(ipvs)) && !th->rst &&
 	    (svc = ip_vs_service_find(net, af, skb->mark, iph->protocol,
 				      &iph->daddr, th->dest))) {
 		int ignored;
 
-		if (ip_vs_todrop(net_ipvs(net))) {
+		if (ip_vs_todrop(ipvs)) {
 			/*
 			 * It seems that we are very loaded.
 			 * We have to drop this packet :(
@@ -401,7 +403,7 @@ static struct tcp_states_t tcp_states [] = {
 /*        sNO, sES, sSS, sSR, sFW, sTW, sCL, sCW, sLA, sLI, sSA	*/
 /*syn*/ {{sSR, sES, sES, sSR, sSR, sSR, sSR, sSR, sSR, sSR, sSR }},
 /*fin*/ {{sCL, sCW, sSS, sTW, sTW, sTW, sCL, sCW, sLA, sLI, sTW }},
-/*ack*/ {{sCL, sES, sSS, sES, sFW, sTW, sCL, sCW, sCL, sLI, sES }},
+/*ack*/ {{sES, sES, sSS, sES, sFW, sTW, sCL, sCW, sCL, sLI, sES }},
 /*rst*/ {{sCL, sCL, sCL, sSR, sCL, sCL, sCL, sCL, sLA, sLI, sSR }},
 
 /*	OUTPUT */
@@ -415,7 +417,7 @@ static struct tcp_states_t tcp_states [] = {
 /*        sNO, sES, sSS, sSR, sFW, sTW, sCL, sCW, sLA, sLI, sSA	*/
 /*syn*/ {{sSR, sES, sES, sSR, sSR, sSR, sSR, sSR, sSR, sSR, sSR }},
 /*fin*/ {{sCL, sFW, sSS, sTW, sFW, sTW, sCL, sCW, sLA, sLI, sTW }},
-/*ack*/ {{sCL, sES, sSS, sES, sFW, sTW, sCL, sCW, sCL, sLI, sES }},
+/*ack*/ {{sES, sES, sSS, sES, sFW, sTW, sCL, sCW, sCL, sLI, sES }},
 /*rst*/ {{sCL, sCL, sCL, sSR, sCL, sCL, sCL, sCL, sLA, sLI, sCL }},
 };
 
@@ -424,7 +426,7 @@ static struct tcp_states_t tcp_states_dos [] = {
 /*        sNO, sES, sSS, sSR, sFW, sTW, sCL, sCW, sLA, sLI, sSA	*/
 /*syn*/ {{sSR, sES, sES, sSR, sSR, sSR, sSR, sSR, sSR, sSR, sSA }},
 /*fin*/ {{sCL, sCW, sSS, sTW, sTW, sTW, sCL, sCW, sLA, sLI, sSA }},
-/*ack*/ {{sCL, sES, sSS, sSR, sFW, sTW, sCL, sCW, sCL, sLI, sSA }},
+/*ack*/ {{sES, sES, sSS, sSR, sFW, sTW, sCL, sCW, sCL, sLI, sSA }},
 /*rst*/ {{sCL, sCL, sCL, sSR, sCL, sCL, sCL, sCL, sLA, sLI, sCL }},
 
 /*	OUTPUT */
@@ -438,7 +440,7 @@ static struct tcp_states_t tcp_states_dos [] = {
 /*        sNO, sES, sSS, sSR, sFW, sTW, sCL, sCW, sLA, sLI, sSA	*/
 /*syn*/ {{sSA, sES, sES, sSR, sSA, sSA, sSA, sSA, sSA, sSA, sSA }},
 /*fin*/ {{sCL, sFW, sSS, sTW, sFW, sTW, sCL, sCW, sLA, sLI, sTW }},
-/*ack*/ {{sCL, sES, sSS, sES, sFW, sTW, sCL, sCW, sCL, sLI, sES }},
+/*ack*/ {{sES, sES, sSS, sES, sFW, sTW, sCL, sCW, sCL, sLI, sES }},
 /*rst*/ {{sCL, sCL, sCL, sSR, sCL, sCL, sCL, sCL, sLA, sLI, sCL }},
 };
 
diff --git a/net/netfilter/ipvs/ip_vs_rr.c b/net/netfilter/ipvs/ip_vs_rr.c
index c35986c793d9..176b87c35e34 100644
--- a/net/netfilter/ipvs/ip_vs_rr.c
+++ b/net/netfilter/ipvs/ip_vs_rr.c
@@ -55,7 +55,8 @@ static int ip_vs_rr_del_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest)
  * Round-Robin Scheduling
  */
 static struct ip_vs_dest *
-ip_vs_rr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_rr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		  struct ip_vs_iphdr *iph)
 {
 	struct list_head *p;
 	struct ip_vs_dest *dest, *last;
diff --git a/net/netfilter/ipvs/ip_vs_sed.c b/net/netfilter/ipvs/ip_vs_sed.c
index f3205925359a..a5284cc3d882 100644
--- a/net/netfilter/ipvs/ip_vs_sed.c
+++ b/net/netfilter/ipvs/ip_vs_sed.c
@@ -59,7 +59,8 @@ ip_vs_sed_dest_overhead(struct ip_vs_dest *dest)
  *	Weighted Least Connection scheduling
  */
 static struct ip_vs_dest *
-ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_sed_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		   struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_dest *dest, *least;
 	unsigned int loh, doh;
diff --git a/net/netfilter/ipvs/ip_vs_sh.c b/net/netfilter/ipvs/ip_vs_sh.c
index a65edfe4b16c..f16c027df15b 100644
--- a/net/netfilter/ipvs/ip_vs_sh.c
+++ b/net/netfilter/ipvs/ip_vs_sh.c
@@ -48,6 +48,10 @@
 
 #include <net/ip_vs.h>
 
+#include <net/tcp.h>
+#include <linux/udp.h>
+#include <linux/sctp.h>
+
 
 /*
  *      IPVS SH bucket
@@ -71,10 +75,19 @@ struct ip_vs_sh_state {
 	struct ip_vs_sh_bucket		buckets[IP_VS_SH_TAB_SIZE];
 };
 
+/* Helper function to determine if server is unavailable */
+static inline bool is_unavailable(struct ip_vs_dest *dest)
+{
+	return atomic_read(&dest->weight) <= 0 ||
+	       dest->flags & IP_VS_DEST_F_OVERLOAD;
+}
+
 /*
  *	Returns hash value for IPVS SH entry
  */
-static inline unsigned int ip_vs_sh_hashkey(int af, const union nf_inet_addr *addr)
+static inline unsigned int
+ip_vs_sh_hashkey(int af, const union nf_inet_addr *addr,
+		 __be16 port, unsigned int offset)
 {
 	__be32 addr_fold = addr->ip;
 
@@ -83,7 +96,8 @@ static inline unsigned int ip_vs_sh_hashkey(int af, const union nf_inet_addr *ad
 		addr_fold = addr->ip6[0]^addr->ip6[1]^
 			    addr->ip6[2]^addr->ip6[3];
 #endif
-	return (ntohl(addr_fold)*2654435761UL) & IP_VS_SH_TAB_MASK;
+	return (offset + (ntohs(port) + ntohl(addr_fold))*2654435761UL) &
+		IP_VS_SH_TAB_MASK;
 }
 
 
@@ -91,12 +105,42 @@ static inline unsigned int ip_vs_sh_hashkey(int af, const union nf_inet_addr *ad
  *      Get ip_vs_dest associated with supplied parameters.
  */
 static inline struct ip_vs_dest *
-ip_vs_sh_get(int af, struct ip_vs_sh_state *s, const union nf_inet_addr *addr)
+ip_vs_sh_get(struct ip_vs_service *svc, struct ip_vs_sh_state *s,
+	     const union nf_inet_addr *addr, __be16 port)
 {
-	return rcu_dereference(s->buckets[ip_vs_sh_hashkey(af, addr)].dest);
+	unsigned int hash = ip_vs_sh_hashkey(svc->af, addr, port, 0);
+	struct ip_vs_dest *dest = rcu_dereference(s->buckets[hash].dest);
+
+	return (!dest || is_unavailable(dest)) ? NULL : dest;
 }
 
 
+/* As ip_vs_sh_get, but with fallback if selected server is unavailable */
+static inline struct ip_vs_dest *
+ip_vs_sh_get_fallback(struct ip_vs_service *svc, struct ip_vs_sh_state *s,
+		      const union nf_inet_addr *addr, __be16 port)
+{
+	unsigned int offset;
+	unsigned int hash;
+	struct ip_vs_dest *dest;
+
+	for (offset = 0; offset < IP_VS_SH_TAB_SIZE; offset++) {
+		hash = ip_vs_sh_hashkey(svc->af, addr, port, offset);
+		dest = rcu_dereference(s->buckets[hash].dest);
+		if (!dest)
+			break;
+		if (is_unavailable(dest))
+			IP_VS_DBG_BUF(6, "SH: selected unavailable server "
+				      "%s:%d (offset %d)",
+				      IP_VS_DBG_ADDR(svc->af, &dest->addr),
+				      ntohs(dest->port), offset);
+		else
+			return dest;
+	}
+
+	return NULL;
+}
+
 /*
  *      Assign all the hash buckets of the specified table with the service.
  */
@@ -213,13 +257,33 @@ static int ip_vs_sh_dest_changed(struct ip_vs_service *svc,
 }
 
 
-/*
- *      If the dest flags is set with IP_VS_DEST_F_OVERLOAD,
- *      consider that the server is overloaded here.
- */
-static inline int is_overloaded(struct ip_vs_dest *dest)
+/* Helper function to get port number */
+static inline __be16
+ip_vs_sh_get_port(const struct sk_buff *skb, struct ip_vs_iphdr *iph)
 {
-	return dest->flags & IP_VS_DEST_F_OVERLOAD;
+	__be16 port;
+	struct tcphdr _tcph, *th;
+	struct udphdr _udph, *uh;
+	sctp_sctphdr_t _sctph, *sh;
+
+	switch (iph->protocol) {
+	case IPPROTO_TCP:
+		th = skb_header_pointer(skb, iph->len, sizeof(_tcph), &_tcph);
+		port = th->source;
+		break;
+	case IPPROTO_UDP:
+		uh = skb_header_pointer(skb, iph->len, sizeof(_udph), &_udph);
+		port = uh->source;
+		break;
+	case IPPROTO_SCTP:
+		sh = skb_header_pointer(skb, iph->len, sizeof(_sctph), &_sctph);
+		port = sh->source;
+		break;
+	default:
+		port = 0;
+	}
+
+	return port;
 }
 
 
@@ -227,28 +291,32 @@ static inline int is_overloaded(struct ip_vs_dest *dest)
  *      Source Hashing scheduling
  */
 static struct ip_vs_dest *
-ip_vs_sh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_sh_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		  struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_dest *dest;
 	struct ip_vs_sh_state *s;
-	struct ip_vs_iphdr iph;
-
-	ip_vs_fill_iph_addr_only(svc->af, skb, &iph);
+	__be16 port = 0;
 
 	IP_VS_DBG(6, "ip_vs_sh_schedule(): Scheduling...\n");
 
+	if (svc->flags & IP_VS_SVC_F_SCHED_SH_PORT)
+		port = ip_vs_sh_get_port(skb, iph);
+
 	s = (struct ip_vs_sh_state *) svc->sched_data;
-	dest = ip_vs_sh_get(svc->af, s, &iph.saddr);
-	if (!dest
-	    || !(dest->flags & IP_VS_DEST_F_AVAILABLE)
-	    || atomic_read(&dest->weight) <= 0
-	    || is_overloaded(dest)) {
+
+	if (svc->flags & IP_VS_SVC_F_SCHED_SH_FALLBACK)
+		dest = ip_vs_sh_get_fallback(svc, s, &iph->saddr, port);
+	else
+		dest = ip_vs_sh_get(svc, s, &iph->saddr, port);
+
+	if (!dest) {
 		ip_vs_scheduler_err(svc, "no destination available");
 		return NULL;
 	}
 
 	IP_VS_DBG_BUF(6, "SH: source IP address %s --> server %s:%d\n",
-		      IP_VS_DBG_ADDR(svc->af, &iph.saddr),
+		      IP_VS_DBG_ADDR(svc->af, &iph->saddr),
 		      IP_VS_DBG_ADDR(svc->af, &dest->addr),
 		      ntohs(dest->port));
 
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index f6046d9af8d3..f4484719f3e6 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -425,6 +425,16 @@ ip_vs_sync_buff_create_v0(struct netns_ipvs *ipvs)
 	return sb;
 }
 
+/* Check if connection is controlled by persistence */
+static inline bool in_persistence(struct ip_vs_conn *cp)
+{
+	for (cp = cp->control; cp; cp = cp->control) {
+		if (cp->flags & IP_VS_CONN_F_TEMPLATE)
+			return true;
+	}
+	return false;
+}
+
 /* Check if conn should be synced.
  * pkts: conn packets, use sysctl_sync_threshold to avoid packet check
  * - (1) sync_refresh_period: reduce sync rate. Additionally, retry
@@ -447,6 +457,8 @@ static int ip_vs_sync_conn_needed(struct netns_ipvs *ipvs,
 	/* Check if we sync in current state */
 	if (unlikely(cp->flags & IP_VS_CONN_F_TEMPLATE))
 		force = 0;
+	else if (unlikely(sysctl_sync_persist_mode(ipvs) && in_persistence(cp)))
+		return 0;
 	else if (likely(cp->protocol == IPPROTO_TCP)) {
 		if (!((1 << cp->state) &
 		      ((1 << IP_VS_TCP_S_ESTABLISHED) |
@@ -461,9 +473,10 @@ static int ip_vs_sync_conn_needed(struct netns_ipvs *ipvs,
 	} else if (unlikely(cp->protocol == IPPROTO_SCTP)) {
 		if (!((1 << cp->state) &
 		      ((1 << IP_VS_SCTP_S_ESTABLISHED) |
-		       (1 << IP_VS_SCTP_S_CLOSED) |
-		       (1 << IP_VS_SCTP_S_SHUT_ACK_CLI) |
-		       (1 << IP_VS_SCTP_S_SHUT_ACK_SER))))
+		       (1 << IP_VS_SCTP_S_SHUTDOWN_SENT) |
+		       (1 << IP_VS_SCTP_S_SHUTDOWN_RECEIVED) |
+		       (1 << IP_VS_SCTP_S_SHUTDOWN_ACK_SENT) |
+		       (1 << IP_VS_SCTP_S_CLOSED))))
 			return 0;
 		force = cp->state != cp->old_state;
 		if (force && cp->state != IP_VS_SCTP_S_ESTABLISHED)
diff --git a/net/netfilter/ipvs/ip_vs_wlc.c b/net/netfilter/ipvs/ip_vs_wlc.c
index c60a81c4ce9a..6dc1fa128840 100644
--- a/net/netfilter/ipvs/ip_vs_wlc.c
+++ b/net/netfilter/ipvs/ip_vs_wlc.c
@@ -31,7 +31,8 @@
  *	Weighted Least Connection scheduling
  */
 static struct ip_vs_dest *
-ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_wlc_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		   struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_dest *dest, *least;
 	unsigned int loh, doh;
diff --git a/net/netfilter/ipvs/ip_vs_wrr.c b/net/netfilter/ipvs/ip_vs_wrr.c
index 0e68555bceb9..0546cd572d6b 100644
--- a/net/netfilter/ipvs/ip_vs_wrr.c
+++ b/net/netfilter/ipvs/ip_vs_wrr.c
@@ -162,7 +162,8 @@ static int ip_vs_wrr_dest_changed(struct ip_vs_service *svc,
  *    Weighted Round-Robin Scheduling
  */
 static struct ip_vs_dest *
-ip_vs_wrr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb)
+ip_vs_wrr_schedule(struct ip_vs_service *svc, const struct sk_buff *skb,
+		   struct ip_vs_iphdr *iph)
 {
 	struct ip_vs_dest *dest, *last, *stop = NULL;
 	struct ip_vs_wrr_mark *mark = svc->sched_data;
diff --git a/net/netfilter/nf_conntrack_ftp.c b/net/netfilter/nf_conntrack_ftp.c
index 6b217074237b..b8a0924064ef 100644
--- a/net/netfilter/nf_conntrack_ftp.c
+++ b/net/netfilter/nf_conntrack_ftp.c
@@ -55,10 +55,14 @@ unsigned int (*nf_nat_ftp_hook)(struct sk_buff *skb,
 				struct nf_conntrack_expect *exp);
 EXPORT_SYMBOL_GPL(nf_nat_ftp_hook);
 
-static int try_rfc959(const char *, size_t, struct nf_conntrack_man *, char);
-static int try_eprt(const char *, size_t, struct nf_conntrack_man *, char);
+static int try_rfc959(const char *, size_t, struct nf_conntrack_man *,
+		      char, unsigned int *);
+static int try_rfc1123(const char *, size_t, struct nf_conntrack_man *,
+		       char, unsigned int *);
+static int try_eprt(const char *, size_t, struct nf_conntrack_man *,
+		    char, unsigned int *);
 static int try_epsv_response(const char *, size_t, struct nf_conntrack_man *,
-			     char);
+			     char, unsigned int *);
 
 static struct ftp_search {
 	const char *pattern;
@@ -66,7 +70,7 @@ static struct ftp_search {
 	char skip;
 	char term;
 	enum nf_ct_ftp_type ftptype;
-	int (*getnum)(const char *, size_t, struct nf_conntrack_man *, char);
+	int (*getnum)(const char *, size_t, struct nf_conntrack_man *, char, unsigned int *);
 } search[IP_CT_DIR_MAX][2] = {
 	[IP_CT_DIR_ORIGINAL] = {
 		{
@@ -90,10 +94,8 @@ static struct ftp_search {
 		{
 			.pattern	= "227 ",
 			.plen		= sizeof("227 ") - 1,
-			.skip		= '(',
-			.term		= ')',
 			.ftptype	= NF_CT_FTP_PASV,
-			.getnum		= try_rfc959,
+			.getnum		= try_rfc1123,
 		},
 		{
 			.pattern	= "229 ",
@@ -132,8 +134,9 @@ static int try_number(const char *data, size_t dlen, u_int32_t array[],
 			i++;
 		else {
 			/* Unexpected character; true if it's the
-			   terminator and we're finished. */
-			if (*data == term && i == array_size - 1)
+			   terminator (or we don't care about one)
+			   and we're finished. */
+			if ((*data == term || !term) && i == array_size - 1)
 				return len;
 
 			pr_debug("Char %u (got %u nums) `%u' unexpected\n",
@@ -148,7 +151,8 @@ static int try_number(const char *data, size_t dlen, u_int32_t array[],
 
 /* Returns 0, or length of numbers: 192,168,1,1,5,6 */
 static int try_rfc959(const char *data, size_t dlen,
-		      struct nf_conntrack_man *cmd, char term)
+		      struct nf_conntrack_man *cmd, char term,
+		      unsigned int *offset)
 {
 	int length;
 	u_int32_t array[6];
@@ -163,6 +167,33 @@ static int try_rfc959(const char *data, size_t dlen,
 	return length;
 }
 
+/*
+ * From RFC 1123:
+ * The format of the 227 reply to a PASV command is not
+ * well standardized.  In particular, an FTP client cannot
+ * assume that the parentheses shown on page 40 of RFC-959
+ * will be present (and in fact, Figure 3 on page 43 omits
+ * them).  Therefore, a User-FTP program that interprets
+ * the PASV reply must scan the reply for the first digit
+ * of the host and port numbers.
+ */
+static int try_rfc1123(const char *data, size_t dlen,
+		       struct nf_conntrack_man *cmd, char term,
+		       unsigned int *offset)
+{
+	int i;
+	for (i = 0; i < dlen; i++)
+		if (isdigit(data[i]))
+			break;
+
+	if (i == dlen)
+		return 0;
+
+	*offset += i;
+
+	return try_rfc959(data + i, dlen - i, cmd, 0, offset);
+}
+
 /* Grab port: number up to delimiter */
 static int get_port(const char *data, int start, size_t dlen, char delim,
 		    __be16 *port)
@@ -191,7 +222,7 @@ static int get_port(const char *data, int start, size_t dlen, char delim,
 
 /* Returns 0, or length of numbers: |1|132.235.1.2|6275| or |2|3ffe::1|6275| */
 static int try_eprt(const char *data, size_t dlen, struct nf_conntrack_man *cmd,
-		    char term)
+		    char term, unsigned int *offset)
 {
 	char delim;
 	int length;
@@ -239,7 +270,8 @@ static int try_eprt(const char *data, size_t dlen, struct nf_conntrack_man *cmd,
 
 /* Returns 0, or length of numbers: |||6446| */
 static int try_epsv_response(const char *data, size_t dlen,
-			     struct nf_conntrack_man *cmd, char term)
+			     struct nf_conntrack_man *cmd, char term,
+			     unsigned int *offset)
 {
 	char delim;
 
@@ -261,9 +293,10 @@ static int find_pattern(const char *data, size_t dlen,
 			unsigned int *numlen,
 			struct nf_conntrack_man *cmd,
 			int (*getnum)(const char *, size_t,
-				      struct nf_conntrack_man *, char))
+				      struct nf_conntrack_man *, char,
+				      unsigned int *))
 {
-	size_t i;
+	size_t i = plen;
 
 	pr_debug("find_pattern `%s': dlen = %Zu\n", pattern, dlen);
 	if (dlen == 0)
@@ -293,16 +326,18 @@ static int find_pattern(const char *data, size_t dlen,
 	pr_debug("Pattern matches!\n");
 	/* Now we've found the constant string, try to skip
 	   to the 'skip' character */
-	for (i = plen; data[i] != skip; i++)
-		if (i == dlen - 1) return -1;
+	if (skip) {
+		for (i = plen; data[i] != skip; i++)
+			if (i == dlen - 1) return -1;
 
-	/* Skip over the last character */
-	i++;
+		/* Skip over the last character */
+		i++;
+	}
 
 	pr_debug("Skipped up to `%c'!\n", skip);
 
 	*numoff = i;
-	*numlen = getnum(data + i, dlen - i, cmd, term);
+	*numlen = getnum(data + i, dlen - i, cmd, term, numoff);
 	if (!*numlen)
 		return -1;
 
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index ecf065f94032..edc410e778f7 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -828,7 +828,9 @@ ctnetlink_parse_tuple_ip(struct nlattr *attr, struct nf_conntrack_tuple *tuple)
 	struct nf_conntrack_l3proto *l3proto;
 	int ret = 0;
 
-	nla_parse_nested(tb, CTA_IP_MAX, attr, NULL);
+	ret = nla_parse_nested(tb, CTA_IP_MAX, attr, NULL);
+	if (ret < 0)
+		return ret;
 
 	rcu_read_lock();
 	l3proto = __nf_ct_l3proto_find(tuple->src.l3num);
@@ -895,7 +897,9 @@ ctnetlink_parse_tuple(const struct nlattr * const cda[],
 
 	memset(tuple, 0, sizeof(*tuple));
 
-	nla_parse_nested(tb, CTA_TUPLE_MAX, cda[type], tuple_nla_policy);
+	err = nla_parse_nested(tb, CTA_TUPLE_MAX, cda[type], tuple_nla_policy);
+	if (err < 0)
+		return err;
 
 	if (!tb[CTA_TUPLE_IP])
 		return -EINVAL;
@@ -946,9 +950,12 @@ static inline int
 ctnetlink_parse_help(const struct nlattr *attr, char **helper_name,
 		     struct nlattr **helpinfo)
 {
+	int err;
 	struct nlattr *tb[CTA_HELP_MAX+1];
 
-	nla_parse_nested(tb, CTA_HELP_MAX, attr, help_nla_policy);
+	err = nla_parse_nested(tb, CTA_HELP_MAX, attr, help_nla_policy);
+	if (err < 0)
+		return err;
 
 	if (!tb[CTA_HELP_NAME])
 		return -EINVAL;
@@ -1431,7 +1438,9 @@ ctnetlink_change_protoinfo(struct nf_conn *ct, const struct nlattr * const cda[]
 	struct nf_conntrack_l4proto *l4proto;
 	int err = 0;
 
-	nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, protoinfo_policy);
+	err = nla_parse_nested(tb, CTA_PROTOINFO_MAX, attr, protoinfo_policy);
+	if (err < 0)
+		return err;
 
 	rcu_read_lock();
 	l4proto = __nf_ct_l4proto_find(nf_ct_l3num(ct), nf_ct_protonum(ct));
@@ -1452,9 +1461,12 @@ static const struct nla_policy nat_seq_policy[CTA_NAT_SEQ_MAX+1] = {
 static inline int
 change_nat_seq_adj(struct nf_nat_seq *natseq, const struct nlattr * const attr)
 {
+	int err;
 	struct nlattr *cda[CTA_NAT_SEQ_MAX+1];
 
-	nla_parse_nested(cda, CTA_NAT_SEQ_MAX, attr, nat_seq_policy);
+	err = nla_parse_nested(cda, CTA_NAT_SEQ_MAX, attr, nat_seq_policy);
+	if (err < 0)
+		return err;
 
 	if (!cda[CTA_NAT_SEQ_CORRECTION_POS])
 		return -EINVAL;
@@ -2116,7 +2128,9 @@ ctnetlink_nfqueue_parse(const struct nlattr *attr, struct nf_conn *ct)
 	struct nlattr *cda[CTA_MAX+1];
 	int ret;
 
-	nla_parse_nested(cda, CTA_MAX, attr, ct_nla_policy);
+	ret = nla_parse_nested(cda, CTA_MAX, attr, ct_nla_policy);
+	if (ret < 0)
+		return ret;
 
 	spin_lock_bh(&nf_conntrack_lock);
 	ret = ctnetlink_nfqueue_parse_ct((const struct nlattr **)cda, ct);
@@ -2711,7 +2725,9 @@ ctnetlink_parse_expect_nat(const struct nlattr *attr,
 	struct nf_conntrack_tuple nat_tuple = {};
 	int err;
 
-	nla_parse_nested(tb, CTA_EXPECT_NAT_MAX, attr, exp_nat_nla_policy);
+	err = nla_parse_nested(tb, CTA_EXPECT_NAT_MAX, attr, exp_nat_nla_policy);
+	if (err < 0)
+		return err;
 
 	if (!tb[CTA_EXPECT_NAT_DIR] || !tb[CTA_EXPECT_NAT_TUPLE])
 		return -EINVAL;
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 4d4d8f1d01fc..7dcc376eea5f 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -1043,6 +1043,12 @@ static int tcp_packet(struct nf_conn *ct,
 			nf_ct_kill_acct(ct, ctinfo, skb);
 			return NF_ACCEPT;
 		}
+		/* ESTABLISHED without SEEN_REPLY, i.e. mid-connection
+		 * pickup with loose=1. Avoid large ESTABLISHED timeout.
+		 */
+		if (new_state == TCP_CONNTRACK_ESTABLISHED &&
+		    timeout > timeouts[TCP_CONNTRACK_UNACK])
+			timeout = timeouts[TCP_CONNTRACK_UNACK];
 	} else if (!test_bit(IPS_ASSURED_BIT, &ct->status)
 		   && (old_state == TCP_CONNTRACK_SYN_RECV
 		       || old_state == TCP_CONNTRACK_ESTABLISHED)
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index bd700b4013c1..f641751dba9d 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -408,7 +408,7 @@ static int log_invalid_proto_max = 255;
 
 static struct ctl_table_header *nf_ct_netfilter_header;
 
-static ctl_table nf_ct_sysctl_table[] = {
+static struct ctl_table nf_ct_sysctl_table[] = {
 	{
 		.procname	= "nf_conntrack_max",
 		.data		= &nf_conntrack_max,
@@ -458,7 +458,7 @@ static ctl_table nf_ct_sysctl_table[] = {
 
 #define NET_NF_CONNTRACK_MAX 2089
 
-static ctl_table nf_ct_netfilter_table[] = {
+static struct ctl_table nf_ct_netfilter_table[] = {
 	{
 		.procname	= "nf_conntrack_max",
 		.data		= &nf_conntrack_max,
diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c
index 3b18dd1be7d9..85296d4eac0e 100644
--- a/net/netfilter/nf_log.c
+++ b/net/netfilter/nf_log.c
@@ -245,7 +245,7 @@ static const struct file_operations nflog_file_ops = {
 static char nf_log_sysctl_fnames[NFPROTO_NUMPROTO-NFPROTO_UNSPEC][3];
 static struct ctl_table nf_log_sysctl_table[NFPROTO_NUMPROTO+1];
 
-static int nf_log_proc_dostring(ctl_table *table, int write,
+static int nf_log_proc_dostring(struct ctl_table *table, int write,
 			 void __user *buffer, size_t *lenp, loff_t *ppos)
 {
 	const struct nf_logger *logger;
@@ -369,9 +369,7 @@ static int __net_init nf_log_net_init(struct net *net)
 
 out_sysctl:
 #ifdef CONFIG_PROC_FS
-	/* For init_net: errors will trigger panic, don't unroll on error. */
-	if (!net_eq(net, &init_net))
-		remove_proc_entry("nf_log", net->nf.proc_netfilter);
+	remove_proc_entry("nf_log", net->nf.proc_netfilter);
 #endif
 	return ret;
 }
diff --git a/net/netfilter/nf_nat_helper.c b/net/netfilter/nf_nat_helper.c
index 5fea563afe30..85e20a919081 100644
--- a/net/netfilter/nf_nat_helper.c
+++ b/net/netfilter/nf_nat_helper.c
@@ -104,7 +104,7 @@ static void mangle_contents(struct sk_buff *skb,
 	/* move post-replacement */
 	memmove(data + match_offset + rep_len,
 		data + match_offset + match_len,
-		skb->tail - (skb->network_header + dataoff +
+		skb_tail_pointer(skb) - (skb_network_header(skb) + dataoff +
 			     match_offset + match_len));
 
 	/* insert data from buffer */
diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c
index a191b6db657e..9e287cb56a04 100644
--- a/net/netfilter/nfnetlink_cthelper.c
+++ b/net/netfilter/nfnetlink_cthelper.c
@@ -67,9 +67,12 @@ static int
 nfnl_cthelper_parse_tuple(struct nf_conntrack_tuple *tuple,
 			  const struct nlattr *attr)
 {
+	int err;
 	struct nlattr *tb[NFCTH_TUPLE_MAX+1];
 
-	nla_parse_nested(tb, NFCTH_TUPLE_MAX, attr, nfnl_cthelper_tuple_pol);
+	err = nla_parse_nested(tb, NFCTH_TUPLE_MAX, attr, nfnl_cthelper_tuple_pol);
+	if (err < 0)
+		return err;
 
 	if (!tb[NFCTH_TUPLE_L3PROTONUM] || !tb[NFCTH_TUPLE_L4PROTONUM])
 		return -EINVAL;
@@ -121,9 +124,12 @@ static int
 nfnl_cthelper_expect_policy(struct nf_conntrack_expect_policy *expect_policy,
 			    const struct nlattr *attr)
 {
+	int err;
 	struct nlattr *tb[NFCTH_POLICY_MAX+1];
 
-	nla_parse_nested(tb, NFCTH_POLICY_MAX, attr, nfnl_cthelper_expect_pol);
+	err = nla_parse_nested(tb, NFCTH_POLICY_MAX, attr, nfnl_cthelper_expect_pol);
+	if (err < 0)
+		return err;
 
 	if (!tb[NFCTH_POLICY_NAME] ||
 	    !tb[NFCTH_POLICY_EXPECT_MAX] ||
@@ -153,8 +159,10 @@ nfnl_cthelper_parse_expect_policy(struct nf_conntrack_helper *helper,
 	struct nf_conntrack_expect_policy *expect_policy;
 	struct nlattr *tb[NFCTH_POLICY_SET_MAX+1];
 
-	nla_parse_nested(tb, NFCTH_POLICY_SET_MAX, attr,
-					nfnl_cthelper_expect_policy_set);
+	ret = nla_parse_nested(tb, NFCTH_POLICY_SET_MAX, attr,
+			       nfnl_cthelper_expect_policy_set);
+	if (ret < 0)
+		return ret;
 
 	if (!tb[NFCTH_POLICY_SET_NUM])
 		return -EINVAL;
diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c
index 65074dfb9383..50580494148d 100644
--- a/net/netfilter/nfnetlink_cttimeout.c
+++ b/net/netfilter/nfnetlink_cttimeout.c
@@ -59,8 +59,10 @@ ctnl_timeout_parse_policy(struct ctnl_timeout *timeout,
 	if (likely(l4proto->ctnl_timeout.nlattr_to_obj)) {
 		struct nlattr *tb[l4proto->ctnl_timeout.nlattr_max+1];
 
-		nla_parse_nested(tb, l4proto->ctnl_timeout.nlattr_max,
-				 attr, l4proto->ctnl_timeout.nla_policy);
+		ret = nla_parse_nested(tb, l4proto->ctnl_timeout.nlattr_max,
+				       attr, l4proto->ctnl_timeout.nla_policy);
+		if (ret < 0)
+			return ret;
 
 		ret = l4proto->ctnl_timeout.nlattr_to_obj(tb, net,
 							  &timeout->data);
diff --git a/net/netfilter/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c
index 5352b2d2d5bf..971ea145ab3e 100644
--- a/net/netfilter/nfnetlink_queue_core.c
+++ b/net/netfilter/nfnetlink_queue_core.c
@@ -41,6 +41,14 @@
 
 #define NFQNL_QMAX_DEFAULT 1024
 
+/* We're using struct nlattr which has 16bit nla_len. Note that nla_len
+ * includes the header length. Thus, the maximum packet length that we
+ * support is 65531 bytes. We send truncated packets if the specified length
+ * is larger than that.  Userspace can check for presence of NFQA_CAP_LEN
+ * attribute to detect truncation.
+ */
+#define NFQNL_MAX_COPY_RANGE (0xffff - NLA_HDRLEN)
+
 struct nfqnl_instance {
 	struct hlist_node hlist;		/* global list of queues */
 	struct rcu_head rcu;
@@ -122,7 +130,7 @@ instance_create(struct nfnl_queue_net *q, u_int16_t queue_num,
 	inst->queue_num = queue_num;
 	inst->peer_portid = portid;
 	inst->queue_maxlen = NFQNL_QMAX_DEFAULT;
-	inst->copy_range = 0xffff;
+	inst->copy_range = NFQNL_MAX_COPY_RANGE;
 	inst->copy_mode = NFQNL_COPY_NONE;
 	spin_lock_init(&inst->lock);
 	INIT_LIST_HEAD(&inst->queue_list);
@@ -272,12 +280,17 @@ nfqnl_zcopy(struct sk_buff *to, const struct sk_buff *from, int len, int hlen)
 	skb_shinfo(to)->nr_frags = j;
 }
 
-static int nfqnl_put_packet_info(struct sk_buff *nlskb, struct sk_buff *packet)
+static int
+nfqnl_put_packet_info(struct sk_buff *nlskb, struct sk_buff *packet,
+		      bool csum_verify)
 {
 	__u32 flags = 0;
 
 	if (packet->ip_summed == CHECKSUM_PARTIAL)
 		flags = NFQA_SKB_CSUMNOTREADY;
+	else if (csum_verify)
+		flags = NFQA_SKB_CSUM_NOTVERIFIED;
+
 	if (skb_is_gso(packet))
 		flags |= NFQA_SKB_GSO;
 
@@ -302,6 +315,7 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 	struct net_device *outdev;
 	struct nf_conn *ct = NULL;
 	enum ip_conntrack_info uninitialized_var(ctinfo);
+	bool csum_verify;
 
 	size =    nlmsg_total_size(sizeof(struct nfgenmsg))
 		+ nla_total_size(sizeof(struct nfqnl_msg_packet_hdr))
@@ -319,6 +333,12 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 	if (entskb->tstamp.tv64)
 		size += nla_total_size(sizeof(struct nfqnl_msg_packet_timestamp));
 
+	if (entry->hook <= NF_INET_FORWARD ||
+	   (entry->hook == NF_INET_POST_ROUTING && entskb->sk == NULL))
+		csum_verify = !skb_csum_unnecessary(entskb);
+	else
+		csum_verify = false;
+
 	outdev = entry->outdev;
 
 	switch ((enum nfqnl_config_mode)ACCESS_ONCE(queue->copy_mode)) {
@@ -333,10 +353,9 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 			return NULL;
 
 		data_len = ACCESS_ONCE(queue->copy_range);
-		if (data_len == 0 || data_len > entskb->len)
+		if (data_len > entskb->len)
 			data_len = entskb->len;
 
-
 		if (!entskb->head_frag ||
 		    skb_headlen(entskb) < L1_CACHE_BYTES ||
 		    skb_shinfo(entskb)->nr_frags >= MAX_SKB_FRAGS)
@@ -465,10 +484,11 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue,
 	if (ct && nfqnl_ct_put(skb, ct, ctinfo) < 0)
 		goto nla_put_failure;
 
-	if (cap_len > 0 && nla_put_be32(skb, NFQA_CAP_LEN, htonl(cap_len)))
+	if (cap_len > data_len &&
+	    nla_put_be32(skb, NFQA_CAP_LEN, htonl(cap_len)))
 		goto nla_put_failure;
 
-	if (nfqnl_put_packet_info(skb, entskb))
+	if (nfqnl_put_packet_info(skb, entskb, csum_verify))
 		goto nla_put_failure;
 
 	if (data_len) {
@@ -509,10 +529,6 @@ __nfqnl_enqueue_packet(struct net *net, struct nfqnl_instance *queue,
 	}
 	spin_lock_bh(&queue->lock);
 
-	if (!queue->peer_portid) {
-		err = -EINVAL;
-		goto err_out_free_nskb;
-	}
 	if (queue->queue_total >= queue->queue_maxlen) {
 		if (queue->flags & NFQA_CFG_F_FAIL_OPEN) {
 			failopen = 1;
@@ -731,13 +747,8 @@ nfqnl_set_mode(struct nfqnl_instance *queue,
 
 	case NFQNL_COPY_PACKET:
 		queue->copy_mode = mode;
-		/* We're using struct nlattr which has 16bit nla_len. Note that
-		 * nla_len includes the header length. Thus, the maximum packet
-		 * length that we support is 65531 bytes. We send truncated
-		 * packets if the specified length is larger than that.
-		 */
-		if (range > 0xffff - NLA_HDRLEN)
-			queue->copy_range = 0xffff - NLA_HDRLEN;
+		if (range == 0 || range > NFQNL_MAX_COPY_RANGE)
+			queue->copy_range = NFQNL_MAX_COPY_RANGE;
 		else
 			queue->copy_range = range;
 		break;
@@ -800,7 +811,7 @@ static int
 nfqnl_rcv_dev_event(struct notifier_block *this,
 		    unsigned long event, void *ptr)
 {
-	struct net_device *dev = ptr;
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 
 	/* Drop any packets associated with the downed device */
 	if (event == NETDEV_DOWN)
diff --git a/net/netfilter/xt_CT.c b/net/netfilter/xt_CT.c
index a60261cb0e80..da35ac06a975 100644
--- a/net/netfilter/xt_CT.c
+++ b/net/netfilter/xt_CT.c
@@ -26,6 +26,9 @@ static inline int xt_ct_target(struct sk_buff *skb, struct nf_conn *ct)
 	if (skb->nfct != NULL)
 		return XT_CONTINUE;
 
+	/* special case the untracked ct : we want the percpu object */
+	if (!ct)
+		ct = nf_ct_untracked_get();
 	atomic_inc(&ct->ct_general.use);
 	skb->nfct = &ct->ct_general;
 	skb->nfctinfo = IP_CT_NEW;
@@ -186,8 +189,7 @@ static int xt_ct_tg_check(const struct xt_tgchk_param *par,
 	int ret = -EOPNOTSUPP;
 
 	if (info->flags & XT_CT_NOTRACK) {
-		ct = nf_ct_untracked_get();
-		atomic_inc(&ct->ct_general.use);
+		ct = NULL;
 		goto out;
 	}
 
@@ -311,7 +313,7 @@ static void xt_ct_tg_destroy(const struct xt_tgdtor_param *par,
 	struct nf_conn *ct = info->ct;
 	struct nf_conn_help *help;
 
-	if (!nf_ct_is_untracked(ct)) {
+	if (ct && !nf_ct_is_untracked(ct)) {
 		help = nfct_help(ct);
 		if (help)
 			module_put(help->helper->me);
@@ -319,8 +321,8 @@ static void xt_ct_tg_destroy(const struct xt_tgdtor_param *par,
 		nf_ct_l3proto_module_put(par->family);
 
 		xt_ct_destroy_timeout(ct);
+		nf_ct_put(info->ct);
 	}
-	nf_ct_put(info->ct);
 }
 
 static void xt_ct_tg_destroy_v0(const struct xt_tgdtor_param *par)
diff --git a/net/netfilter/xt_TEE.c b/net/netfilter/xt_TEE.c
index bd93e51d30ac..292934d23482 100644
--- a/net/netfilter/xt_TEE.c
+++ b/net/netfilter/xt_TEE.c
@@ -200,7 +200,7 @@ tee_tg6(struct sk_buff *skb, const struct xt_action_param *par)
 static int tee_netdev_event(struct notifier_block *this, unsigned long event,
 			    void *ptr)
 {
-	struct net_device *dev = ptr;
+	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 	struct xt_tee_priv *priv;
 
 	priv = container_of(this, struct xt_tee_priv, notifier);
diff --git a/net/netfilter/xt_rateest.c b/net/netfilter/xt_rateest.c
index ed0db15ab00e..7720b036d76a 100644
--- a/net/netfilter/xt_rateest.c
+++ b/net/netfilter/xt_rateest.c
@@ -18,7 +18,7 @@ static bool
 xt_rateest_mt(const struct sk_buff *skb, struct xt_action_param *par)
 {
 	const struct xt_rateest_match_info *info = par->matchinfo;
-	struct gnet_stats_rate_est *r;
+	struct gnet_stats_rate_est64 *r;
 	u_int32_t bps1, bps2, pps1, pps2;
 	bool ret = true;
 
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 030f33cd9ee9..04deb2945e28 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -171,15 +171,24 @@ static bool
 socket_match(const struct sk_buff *skb, struct xt_action_param *par,
 	     const struct xt_socket_mtinfo1 *info)
 {
-	struct sock *sk;
+	struct sock *sk = skb->sk;
+
+	if (!sk)
+		sk = xt_socket_get4_sk(skb, par);
 
-	sk = xt_socket_get4_sk(skb, par);
-	if (sk != NULL) {
+	if (!sk)
+		sk = nf_tproxy_get_sock_v4(dev_net(skb->dev), protocol,
+					   saddr, daddr, sport, dport,
+					   par->in, NFT_LOOKUP_ANY);
+	if (sk) {
 		bool wildcard;
 		bool transparent = true;
 
-		/* Ignore sockets listening on INADDR_ANY */
-		wildcard = (sk->sk_state != TCP_TIME_WAIT &&
+		/* Ignore sockets listening on INADDR_ANY,
+		 * unless XT_SOCKET_NOWILDCARD is set
+		 */
+		wildcard = (!(info->flags & XT_SOCKET_NOWILDCARD) &&
+			    sk->sk_state != TCP_TIME_WAIT &&
 			    inet_sk(sk)->inet_rcv_saddr == 0);
 
 		/* Ignore non-transparent sockets,
@@ -190,7 +199,8 @@ socket_match(const struct sk_buff *skb, struct xt_action_param *par,
 				       (sk->sk_state == TCP_TIME_WAIT &&
 					inet_twsk(sk)->tw_transparent));
 
-		xt_socket_put_sk(sk);
+		if (sk != skb->sk)
+			xt_socket_put_sk(sk);
 
 		if (wildcard || !transparent)
 			sk = NULL;
@@ -206,7 +216,7 @@ socket_mt4_v0(const struct sk_buff *skb, struct xt_action_param *par)
 }
 
 static bool
-socket_mt4_v1(const struct sk_buff *skb, struct xt_action_param *par)
+socket_mt4_v1_v2(const struct sk_buff *skb, struct xt_action_param *par)
 {
 	return socket_match(skb, par, par->matchinfo);
 }
@@ -316,17 +326,26 @@ EXPORT_SYMBOL(xt_socket_get6_sk);
 static bool
 socket_mt6_v1(const struct sk_buff *skb, struct xt_action_param *par)
 {
-	struct sock *sk;
+	struct sock *sk = skb->sk;
 	const struct xt_socket_mtinfo1 *info;
 
 	info = (struct xt_socket_mtinfo1 *) par->matchinfo;
-	sk = xt_socket_get6_sk(skb, par);
-	if (sk != NULL) {
+	if(!sk)
+		sk = xt_socket_get6_sk(skb, par);
+
+	if (!sk)
+		sk = nf_tproxy_get_sock_v6(dev_net(skb->dev), tproto,
+					   saddr, daddr, sport, dport,
+					   par->in, NFT_LOOKUP_ANY);
+	if (sk) {
 		bool wildcard;
 		bool transparent = true;
 
-		/* Ignore sockets listening on INADDR_ANY */
-		wildcard = (sk->sk_state != TCP_TIME_WAIT &&
+		/* Ignore sockets listening on INADDR_ANY
+		 * unless XT_SOCKET_NOWILDCARD is set
+		 */
+		wildcard = (!(info->flags & XT_SOCKET_NOWILDCARD) &&
+			    sk->sk_state != TCP_TIME_WAIT &&
 			    ipv6_addr_any(&inet6_sk(sk)->rcv_saddr));
 
 		/* Ignore non-transparent sockets,
@@ -337,7 +356,8 @@ socket_mt6_v1(const struct sk_buff *skb, struct xt_action_param *par)
 				       (sk->sk_state == TCP_TIME_WAIT &&
 					inet_twsk(sk)->tw_transparent));
 
-		xt_socket_put_sk(sk);
+		if (sk != skb->sk)
+			xt_socket_put_sk(sk);
 
 		if (wildcard || !transparent)
 			sk = NULL;
@@ -347,6 +367,28 @@ socket_mt6_v1(const struct sk_buff *skb, struct xt_action_param *par)
 }
 #endif
 
+static int socket_mt_v1_check(const struct xt_mtchk_param *par)
+{
+	const struct xt_socket_mtinfo1 *info = (struct xt_socket_mtinfo1 *) par->matchinfo;
+
+	if (info->flags & ~XT_SOCKET_FLAGS_V1) {
+		pr_info("unknown flags 0x%x\n", info->flags & ~XT_SOCKET_FLAGS_V1);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int socket_mt_v2_check(const struct xt_mtchk_param *par)
+{
+	const struct xt_socket_mtinfo2 *info = (struct xt_socket_mtinfo2 *) par->matchinfo;
+
+	if (info->flags & ~XT_SOCKET_FLAGS_V2) {
+		pr_info("unknown flags 0x%x\n", info->flags & ~XT_SOCKET_FLAGS_V2);
+		return -EINVAL;
+	}
+	return 0;
+}
+
 static struct xt_match socket_mt_reg[] __read_mostly = {
 	{
 		.name		= "socket",
@@ -361,7 +403,8 @@ static struct xt_match socket_mt_reg[] __read_mostly = {
 		.name		= "socket",
 		.revision	= 1,
 		.family		= NFPROTO_IPV4,
-		.match		= socket_mt4_v1,
+		.match		= socket_mt4_v1_v2,
+		.checkentry	= socket_mt_v1_check,
 		.matchsize	= sizeof(struct xt_socket_mtinfo1),
 		.hooks		= (1 << NF_INET_PRE_ROUTING) |
 				  (1 << NF_INET_LOCAL_IN),
@@ -372,7 +415,32 @@ static struct xt_match socket_mt_reg[] __read_mostly = {
 		.name		= "socket",
 		.revision	= 1,
 		.family		= NFPROTO_IPV6,
-		.match		= socket_mt6_v1,
+		.match		= socket_mt6_v1_v2,
+		.checkentry	= socket_mt_v1_check,
+		.matchsize	= sizeof(struct xt_socket_mtinfo1),
+		.hooks		= (1 << NF_INET_PRE_ROUTING) |
+				  (1 << NF_INET_LOCAL_IN),
+		.me		= THIS_MODULE,
+	},
+#endif
+	{
+		.name		= "socket",
+		.revision	= 2,
+		.family		= NFPROTO_IPV4,
+		.match		= socket_mt4_v1_v2,
+		.checkentry	= socket_mt_v2_check,
+		.matchsize	= sizeof(struct xt_socket_mtinfo1),
+		.hooks		= (1 << NF_INET_PRE_ROUTING) |
+				  (1 << NF_INET_LOCAL_IN),
+		.me		= THIS_MODULE,
+	},
+#ifdef XT_SOCKET_HAVE_IPV6
+	{
+		.name		= "socket",
+		.revision	= 2,
+		.family		= NFPROTO_IPV6,
+		.match		= socket_mt6_v1_v2,
+		.checkentry	= socket_mt_v2_check,
 		.matchsize	= sizeof(struct xt_socket_mtinfo1),
 		.hooks		= (1 << NF_INET_PRE_ROUTING) |
 				  (1 << NF_INET_LOCAL_IN),