Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.25: (1470 commits)
  [IPV6] ADDRLABEL: Fix double free on label deletion.
  [PPP]: Sparse warning fixes.
  [IPV4] fib_trie: remove unneeded NULL check
  [IPV4] fib_trie: More whitespace cleanup.
  [NET_SCHED]: Use nla_policy for attribute validation in ematches
  [NET_SCHED]: Use nla_policy for attribute validation in actions
  [NET_SCHED]: Use nla_policy for attribute validation in classifiers
  [NET_SCHED]: Use nla_policy for attribute validation in packet schedulers
  [NET_SCHED]: sch_api: introduce constant for rate table size
  [NET_SCHED]: Use typeful attribute parsing helpers
  [NET_SCHED]: Use typeful attribute construction helpers
  [NET_SCHED]: Use NLA_PUT_STRING for string dumping
  [NET_SCHED]: Use nla_nest_start/nla_nest_end
  [NET_SCHED]: Propagate nla_parse return value
  [NET_SCHED]: act_api: use PTR_ERR in tcf_action_init/tcf_action_get
  [NET_SCHED]: act_api: use nlmsg_parse
  [NET_SCHED]: act_api: fix netlink API conversion bug
  [NET_SCHED]: sch_netem: use nla_parse_nested_compat
  [NET_SCHED]: sch_atm: fix format string warning
  [NETNS]: Add namespace for ICMP replying code.
  ...

12 files changed, 177 insertions, 205 deletions

diff --git a/net/ipv4/ipvs/ip_vs_app.c b/net/ipv4/ipvs/ip_vs_app.c
index 664cb8e..535abe0 100644
--- a/net/ipv4/ipvs/ip_vs_app.c
+++ b/net/ipv4/ipvs/ip_vs_app.c
@@ -51,18 +51,13 @@ static DEFINE_MUTEX(__ip_vs_app_mutex);
  */
 static inline int ip_vs_app_get(struct ip_vs_app *app)
 {
-	/* test and get the module atomically */
-	if (app->module)
-		return try_module_get(app->module);
-	else
-		return 1;
+	return try_module_get(app->module);
 }
 
 
 static inline void ip_vs_app_put(struct ip_vs_app *app)
 {
-	if (app->module)
-		module_put(app->module);
+	module_put(app->module);
 }
 
 
diff --git a/net/ipv4/ipvs/ip_vs_conn.c b/net/ipv4/ipvs/ip_vs_conn.c
index 0a9f3c3..65f1ba1 100644
--- a/net/ipv4/ipvs/ip_vs_conn.c
+++ b/net/ipv4/ipvs/ip_vs_conn.c
@@ -393,7 +393,15 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
 	atomic_inc(&dest->refcnt);
 
 	/* Bind with the destination and its corresponding transmitter */
-	cp->flags |= atomic_read(&dest->conn_flags);
+	if ((cp->flags & IP_VS_CONN_F_SYNC) &&
+	    (!(cp->flags & IP_VS_CONN_F_TEMPLATE)))
+		/* if the connection is not template and is created
+		 * by sync, preserve the activity flag.
+		 */
+		cp->flags |= atomic_read(&dest->conn_flags) &
+			     (~IP_VS_CONN_F_INACTIVE);
+	else
+		cp->flags |= atomic_read(&dest->conn_flags);
 	cp->dest = dest;
 
 	IP_VS_DBG(7, "Bind-dest %s c:%u.%u.%u.%u:%d v:%u.%u.%u.%u:%d "
@@ -412,7 +420,11 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest)
 		/* It is a normal connection, so increase the inactive
 		   connection counter because it is in TCP SYNRECV
 		   state (inactive) or other protocol inacive state */
-		atomic_inc(&dest->inactconns);
+		if ((cp->flags & IP_VS_CONN_F_SYNC) &&
+		    (!(cp->flags & IP_VS_CONN_F_INACTIVE)))
+			atomic_inc(&dest->activeconns);
+		else
+			atomic_inc(&dest->inactconns);
 	} else {
 		/* It is a persistent connection/template, so increase
 		   the peristent connection counter */
@@ -629,9 +641,7 @@ ip_vs_conn_new(int proto, __be32 caddr, __be16 cport, __be32 vaddr, __be16 vport
 	}
 
 	INIT_LIST_HEAD(&cp->c_list);
-	init_timer(&cp->timer);
-	cp->timer.data     = (unsigned long)cp;
-	cp->timer.function = ip_vs_conn_expire;
+	setup_timer(&cp->timer, ip_vs_conn_expire, (unsigned long)cp);
 	cp->protocol	   = proto;
 	cp->caddr	   = caddr;
 	cp->cport	   = cport;
@@ -783,6 +793,57 @@ static const struct file_operations ip_vs_conn_fops = {
 	.llseek  = seq_lseek,
 	.release = seq_release,
 };
+
+static const char *ip_vs_origin_name(unsigned flags)
+{
+	if (flags & IP_VS_CONN_F_SYNC)
+		return "SYNC";
+	else
+		return "LOCAL";
+}
+
+static int ip_vs_conn_sync_seq_show(struct seq_file *seq, void *v)
+{
+
+	if (v == SEQ_START_TOKEN)
+		seq_puts(seq,
+   "Pro FromIP   FPrt ToIP     TPrt DestIP   DPrt State       Origin Expires\n");
+	else {
+		const struct ip_vs_conn *cp = v;
+
+		seq_printf(seq,
+			"%-3s %08X %04X %08X %04X %08X %04X %-11s %-6s %7lu\n",
+				ip_vs_proto_name(cp->protocol),
+				ntohl(cp->caddr), ntohs(cp->cport),
+				ntohl(cp->vaddr), ntohs(cp->vport),
+				ntohl(cp->daddr), ntohs(cp->dport),
+				ip_vs_state_name(cp->protocol, cp->state),
+				ip_vs_origin_name(cp->flags),
+				(cp->timer.expires-jiffies)/HZ);
+	}
+	return 0;
+}
+
+static const struct seq_operations ip_vs_conn_sync_seq_ops = {
+	.start = ip_vs_conn_seq_start,
+	.next  = ip_vs_conn_seq_next,
+	.stop  = ip_vs_conn_seq_stop,
+	.show  = ip_vs_conn_sync_seq_show,
+};
+
+static int ip_vs_conn_sync_open(struct inode *inode, struct file *file)
+{
+	return seq_open(file, &ip_vs_conn_sync_seq_ops);
+}
+
+static const struct file_operations ip_vs_conn_sync_fops = {
+	.owner	 = THIS_MODULE,
+	.open    = ip_vs_conn_sync_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = seq_release,
+};
+
 #endif
 
 
@@ -942,6 +1003,7 @@ int ip_vs_conn_init(void)
 	}
 
 	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);
 
 	/* calculate the random value for connection hash */
 	get_random_bytes(&ip_vs_conn_rnd, sizeof(ip_vs_conn_rnd));
@@ -958,5 +1020,6 @@ void ip_vs_conn_cleanup(void)
 	/* 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/ipv4/ipvs/ip_vs_core.c b/net/ipv4/ipvs/ip_vs_core.c
index 8fba202..963981a 100644
--- a/net/ipv4/ipvs/ip_vs_core.c
+++ b/net/ipv4/ipvs/ip_vs_core.c
@@ -423,7 +423,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
 	   and the destination is RTN_UNICAST (and not local), then create
 	   a cache_bypass connection entry */
 	if (sysctl_ip_vs_cache_bypass && svc->fwmark
-	    && (inet_addr_type(iph->daddr) == RTN_UNICAST)) {
+	    && (inet_addr_type(&init_net, iph->daddr) == RTN_UNICAST)) {
 		int ret, cs;
 		struct ip_vs_conn *cp;
 
@@ -481,7 +481,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb,
 
 
 /*
- *      It is hooked before NF_IP_PRI_NAT_SRC at the NF_IP_POST_ROUTING
+ *      It is hooked before NF_IP_PRI_NAT_SRC at the NF_INET_POST_ROUTING
  *      chain, and is used for VS/NAT.
  *      It detects packets for VS/NAT connections and sends the packets
  *      immediately. This can avoid that iptable_nat mangles the packets
@@ -679,7 +679,7 @@ static inline int is_tcp_reset(const struct sk_buff *skb)
 }
 
 /*
- *	It is hooked at the NF_IP_FORWARD chain, used only for VS/NAT.
+ *	It is hooked at the NF_INET_FORWARD chain, used only for VS/NAT.
  *	Check if outgoing packet belongs to the established ip_vs_conn,
  *      rewrite addresses of the packet and send it on its way...
  */
@@ -814,7 +814,7 @@ ip_vs_in_icmp(struct sk_buff *skb, int *related, unsigned int hooknum)
 
 	/* reassemble IP fragments */
 	if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
-		if (ip_vs_gather_frags(skb, hooknum == NF_IP_LOCAL_IN ?
+		if (ip_vs_gather_frags(skb, hooknum == NF_INET_LOCAL_IN ?
 					    IP_DEFRAG_VS_IN : IP_DEFRAG_VS_FWD))
 			return NF_STOLEN;
 	}
@@ -1003,12 +1003,12 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb,
 
 
 /*
- *	It is hooked at the NF_IP_FORWARD chain, in order to catch ICMP
+ *	It is hooked at the NF_INET_FORWARD chain, in order to catch ICMP
  *      related packets destined for 0.0.0.0/0.
  *      When fwmark-based virtual service is used, such as transparent
  *      cache cluster, TCP packets can be marked and routed to ip_vs_in,
  *      but ICMP destined for 0.0.0.0/0 cannot not be easily marked and
- *      sent to ip_vs_in_icmp. So, catch them at the NF_IP_FORWARD chain
+ *      sent to ip_vs_in_icmp. So, catch them at the NF_INET_FORWARD chain
  *      and send them to ip_vs_in_icmp.
  */
 static unsigned int
@@ -1025,43 +1025,42 @@ ip_vs_forward_icmp(unsigned int hooknum, struct sk_buff *skb,
 }
 
 
-/* After packet filtering, forward packet through VS/DR, VS/TUN,
-   or VS/NAT(change destination), so that filtering rules can be
-   applied to IPVS. */
-static struct nf_hook_ops ip_vs_in_ops = {
-	.hook		= ip_vs_in,
-	.owner		= THIS_MODULE,
-	.pf		= PF_INET,
-	.hooknum        = NF_IP_LOCAL_IN,
-	.priority       = 100,
-};
-
-/* After packet filtering, change source only for VS/NAT */
-static struct nf_hook_ops ip_vs_out_ops = {
-	.hook		= ip_vs_out,
-	.owner		= THIS_MODULE,
-	.pf		= PF_INET,
-	.hooknum        = NF_IP_FORWARD,
-	.priority       = 100,
-};
-
-/* After packet filtering (but before ip_vs_out_icmp), catch icmp
-   destined for 0.0.0.0/0, which is for incoming IPVS connections */
-static struct nf_hook_ops ip_vs_forward_icmp_ops = {
-	.hook		= ip_vs_forward_icmp,
-	.owner		= THIS_MODULE,
-	.pf		= PF_INET,
-	.hooknum        = NF_IP_FORWARD,
-	.priority       = 99,
-};
-
-/* Before the netfilter connection tracking, exit from POST_ROUTING */
-static struct nf_hook_ops ip_vs_post_routing_ops = {
-	.hook		= ip_vs_post_routing,
-	.owner		= THIS_MODULE,
-	.pf		= PF_INET,
-	.hooknum        = NF_IP_POST_ROUTING,
-	.priority       = NF_IP_PRI_NAT_SRC-1,
+static struct nf_hook_ops ip_vs_ops[] __read_mostly = {
+	/* After packet filtering, forward packet through VS/DR, VS/TUN,
+	 * or VS/NAT(change destination), so that filtering rules can be
+	 * applied to IPVS. */
+	{
+		.hook		= ip_vs_in,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET,
+		.hooknum        = NF_INET_LOCAL_IN,
+		.priority       = 100,
+	},
+	/* After packet filtering, change source only for VS/NAT */
+	{
+		.hook		= ip_vs_out,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET,
+		.hooknum        = NF_INET_FORWARD,
+		.priority       = 100,
+	},
+	/* After packet filtering (but before ip_vs_out_icmp), catch icmp
+	 * destined for 0.0.0.0/0, which is for incoming IPVS connections */
+	{
+		.hook		= ip_vs_forward_icmp,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET,
+		.hooknum        = NF_INET_FORWARD,
+		.priority       = 99,
+	},
+	/* Before the netfilter connection tracking, exit from POST_ROUTING */
+	{
+		.hook		= ip_vs_post_routing,
+		.owner		= THIS_MODULE,
+		.pf		= PF_INET,
+		.hooknum        = NF_INET_POST_ROUTING,
+		.priority       = NF_IP_PRI_NAT_SRC-1,
+	},
 };
 
 
@@ -1092,37 +1091,15 @@ static int __init ip_vs_init(void)
 		goto cleanup_app;
 	}
 
-	ret = nf_register_hook(&ip_vs_in_ops);
+	ret = nf_register_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
 	if (ret < 0) {
-		IP_VS_ERR("can't register in hook.\n");
+		IP_VS_ERR("can't register hooks.\n");
 		goto cleanup_conn;
 	}
 
-	ret = nf_register_hook(&ip_vs_out_ops);
-	if (ret < 0) {
-		IP_VS_ERR("can't register out hook.\n");
-		goto cleanup_inops;
-	}
-	ret = nf_register_hook(&ip_vs_post_routing_ops);
-	if (ret < 0) {
-		IP_VS_ERR("can't register post_routing hook.\n");
-		goto cleanup_outops;
-	}
-	ret = nf_register_hook(&ip_vs_forward_icmp_ops);
-	if (ret < 0) {
-		IP_VS_ERR("can't register forward_icmp hook.\n");
-		goto cleanup_postroutingops;
-	}
-
 	IP_VS_INFO("ipvs loaded.\n");
 	return ret;
 
-  cleanup_postroutingops:
-	nf_unregister_hook(&ip_vs_post_routing_ops);
-  cleanup_outops:
-	nf_unregister_hook(&ip_vs_out_ops);
-  cleanup_inops:
-	nf_unregister_hook(&ip_vs_in_ops);
   cleanup_conn:
 	ip_vs_conn_cleanup();
   cleanup_app:
@@ -1136,10 +1113,7 @@ static int __init ip_vs_init(void)
 
 static void __exit ip_vs_cleanup(void)
 {
-	nf_unregister_hook(&ip_vs_forward_icmp_ops);
-	nf_unregister_hook(&ip_vs_post_routing_ops);
-	nf_unregister_hook(&ip_vs_out_ops);
-	nf_unregister_hook(&ip_vs_in_ops);
+	nf_unregister_hooks(ip_vs_ops, ARRAY_SIZE(ip_vs_ops));
 	ip_vs_conn_cleanup();
 	ip_vs_app_cleanup();
 	ip_vs_protocol_cleanup();
diff --git a/net/ipv4/ipvs/ip_vs_ctl.c b/net/ipv4/ipvs/ip_vs_ctl.c
index 693d924..94c5767 100644
--- a/net/ipv4/ipvs/ip_vs_ctl.c
+++ b/net/ipv4/ipvs/ip_vs_ctl.c
@@ -704,7 +704,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc,
 	conn_flags = udest->conn_flags | IP_VS_CONN_F_INACTIVE;
 
 	/* check if local node and update the flags */
-	if (inet_addr_type(udest->addr) == RTN_LOCAL) {
+	if (inet_addr_type(&init_net, udest->addr) == RTN_LOCAL) {
 		conn_flags = (conn_flags & ~IP_VS_CONN_F_FWD_MASK)
 			| IP_VS_CONN_F_LOCALNODE;
 	}
@@ -756,7 +756,7 @@ ip_vs_new_dest(struct ip_vs_service *svc, struct ip_vs_dest_user *udest,
 
 	EnterFunction(2);
 
-	atype = inet_addr_type(udest->addr);
+	atype = inet_addr_type(&init_net, udest->addr);
 	if (atype != RTN_LOCAL && atype != RTN_UNICAST)
 		return -EINVAL;
 
@@ -1591,34 +1591,13 @@ static struct ctl_table vs_vars[] = {
 	{ .ctl_name = 0 }
 };
 
-static ctl_table vs_table[] = {
-	{
-		.procname	= "vs",
-		.mode		= 0555,
-		.child		= vs_vars
-	},
-	{ .ctl_name = 0 }
-};
-
-static ctl_table ipvs_ipv4_table[] = {
-	{
-		.ctl_name	= NET_IPV4,
-		.procname	= "ipv4",
-		.mode		= 0555,
-		.child		= vs_table,
-	},
-	{ .ctl_name = 0 }
-};
-
-static ctl_table vs_root_table[] = {
-	{
-		.ctl_name	= CTL_NET,
-		.procname	= "net",
-		.mode		= 0555,
-		.child		= ipvs_ipv4_table,
-	},
-	{ .ctl_name = 0 }
+struct ctl_path net_vs_ctl_path[] = {
+	{ .procname = "net", .ctl_name = CTL_NET, },
+	{ .procname = "ipv4", .ctl_name = NET_IPV4, },
+	{ .procname = "vs", },
+	{ }
 };
+EXPORT_SYMBOL_GPL(net_vs_ctl_path);
 
 static struct ctl_table_header * sysctl_header;
 
@@ -2345,7 +2324,7 @@ int ip_vs_control_init(void)
 	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_table(vs_root_table);
+	sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars);
 
 	/* Initialize ip_vs_svc_table, ip_vs_svc_fwm_table, ip_vs_rtable */
 	for(idx = 0; idx < IP_VS_SVC_TAB_SIZE; idx++)  {
diff --git a/net/ipv4/ipvs/ip_vs_est.c b/net/ipv4/ipvs/ip_vs_est.c
index 7d68b80..dfa0d71 100644
--- a/net/ipv4/ipvs/ip_vs_est.c
+++ b/net/ipv4/ipvs/ip_vs_est.c
@@ -18,6 +18,7 @@
 #include <linux/slab.h>
 #include <linux/types.h>
 #include <linux/interrupt.h>
+#include <linux/sysctl.h>
 
 #include <net/ip_vs.h>
 
@@ -146,9 +147,8 @@ int ip_vs_new_estimator(struct ip_vs_stats *stats)
 	write_lock_bh(&est_lock);
 	est->next = est_list;
 	if (est->next == NULL) {
-		init_timer(&est_timer);
+		setup_timer(&est_timer, estimation_timer, 0);
 		est_timer.expires = jiffies + 2*HZ;
-		est_timer.function = estimation_timer;
 		add_timer(&est_timer);
 	}
 	est_list = est;
diff --git a/net/ipv4/ipvs/ip_vs_lblc.c b/net/ipv4/ipvs/ip_vs_lblc.c
index ad89644..3888642 100644
--- a/net/ipv4/ipvs/ip_vs_lblc.c
+++ b/net/ipv4/ipvs/ip_vs_lblc.c
@@ -123,35 +123,6 @@ static ctl_table vs_vars_table[] = {
 	{ .ctl_name = 0 }
 };
 
-static ctl_table vs_table[] = {
-	{
-		.procname	= "vs",
-		.mode		= 0555,
-		.child		= vs_vars_table
-	},
-	{ .ctl_name = 0 }
-};
-
-static ctl_table ipvs_ipv4_table[] = {
-	{
-		.ctl_name	= NET_IPV4,
-		.procname	= "ipv4",
-		.mode		= 0555,
-		.child		= vs_table
-	},
-	{ .ctl_name = 0 }
-};
-
-static ctl_table lblc_root_table[] = {
-	{
-		.ctl_name	= CTL_NET,
-		.procname	= "net",
-		.mode		= 0555,
-		.child		= ipvs_ipv4_table
-	},
-	{ .ctl_name = 0 }
-};
-
 static struct ctl_table_header * sysctl_header;
 
 /*
@@ -391,9 +362,8 @@ static int ip_vs_lblc_init_svc(struct ip_vs_service *svc)
 	/*
 	 *    Hook periodic timer for garbage collection
 	 */
-	init_timer(&tbl->periodic_timer);
-	tbl->periodic_timer.data = (unsigned long)tbl;
-	tbl->periodic_timer.function = ip_vs_lblc_check_expire;
+	setup_timer(&tbl->periodic_timer, ip_vs_lblc_check_expire,
+			(unsigned long)tbl);
 	tbl->periodic_timer.expires = jiffies+CHECK_EXPIRE_INTERVAL;
 	add_timer(&tbl->periodic_timer);
 
@@ -583,7 +553,7 @@ static int __init ip_vs_lblc_init(void)
 	int ret;
 
 	INIT_LIST_HEAD(&ip_vs_lblc_scheduler.n_list);
-	sysctl_header = register_sysctl_table(lblc_root_table);
+	sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars_table);
 	ret = register_ip_vs_scheduler(&ip_vs_lblc_scheduler);
 	if (ret)
 		unregister_sysctl_table(sysctl_header);
diff --git a/net/ipv4/ipvs/ip_vs_lblcr.c b/net/ipv4/ipvs/ip_vs_lblcr.c
index 2a5ed85..daa260e 100644
--- a/net/ipv4/ipvs/ip_vs_lblcr.c
+++ b/net/ipv4/ipvs/ip_vs_lblcr.c
@@ -311,35 +311,6 @@ static ctl_table vs_vars_table[] = {
 	{ .ctl_name = 0 }
 };
 
-static ctl_table vs_table[] = {
-	{
-		.procname	= "vs",
-		.mode		= 0555,
-		.child		= vs_vars_table
-	},
-	{ .ctl_name = 0 }
-};
-
-static ctl_table ipvs_ipv4_table[] = {
-	{
-		.ctl_name	= NET_IPV4,
-		.procname	= "ipv4",
-		.mode		= 0555,
-		.child		= vs_table
-	},
-	{ .ctl_name = 0 }
-};
-
-static ctl_table lblcr_root_table[] = {
-	{
-		.ctl_name	= CTL_NET,
-		.procname	= "net",
-		.mode		= 0555,
-		.child		= ipvs_ipv4_table
-	},
-	{ .ctl_name = 0 }
-};
-
 static struct ctl_table_header * sysctl_header;
 
 /*
@@ -575,9 +546,8 @@ static int ip_vs_lblcr_init_svc(struct ip_vs_service *svc)
 	/*
 	 *    Hook periodic timer for garbage collection
 	 */
-	init_timer(&tbl->periodic_timer);
-	tbl->periodic_timer.data = (unsigned long)tbl;
-	tbl->periodic_timer.function = ip_vs_lblcr_check_expire;
+	setup_timer(&tbl->periodic_timer, ip_vs_lblcr_check_expire,
+			(unsigned long)tbl);
 	tbl->periodic_timer.expires = jiffies+CHECK_EXPIRE_INTERVAL;
 	add_timer(&tbl->periodic_timer);
 
@@ -772,7 +742,7 @@ static int __init ip_vs_lblcr_init(void)
 	int ret;
 
 	INIT_LIST_HEAD(&ip_vs_lblcr_scheduler.n_list);
-	sysctl_header = register_sysctl_table(lblcr_root_table);
+	sysctl_header = register_sysctl_paths(net_vs_ctl_path, vs_vars_table);
 	ret = register_ip_vs_scheduler(&ip_vs_lblcr_scheduler);
 	if (ret)
 		unregister_sysctl_table(sysctl_header);
diff --git a/net/ipv4/ipvs/ip_vs_proto.c b/net/ipv4/ipvs/ip_vs_proto.c
index c0e11ec8..dde28a2 100644
--- a/net/ipv4/ipvs/ip_vs_proto.c
+++ b/net/ipv4/ipvs/ip_vs_proto.c
@@ -165,7 +165,7 @@ ip_vs_tcpudp_debug_packet(struct ip_vs_protocol *pp,
 	ih = skb_header_pointer(skb, offset, sizeof(_iph), &_iph);
 	if (ih == NULL)
 		sprintf(buf, "%s TRUNCATED", pp->name);
-	else if (ih->frag_off & __constant_htons(IP_OFFSET))
+	else if (ih->frag_off & htons(IP_OFFSET))
 		sprintf(buf, "%s %u.%u.%u.%u->%u.%u.%u.%u frag",
 			pp->name, NIPQUAD(ih->saddr),
 			NIPQUAD(ih->daddr));
diff --git a/net/ipv4/ipvs/ip_vs_proto_esp.c b/net/ipv4/ipvs/ip_vs_proto_esp.c
index c36ccf0..aef0d3e 100644
--- a/net/ipv4/ipvs/ip_vs_proto_esp.c
+++ b/net/ipv4/ipvs/ip_vs_proto_esp.c
@@ -52,15 +52,15 @@ esp_conn_in_get(const struct sk_buff *skb,
 	if (likely(!inverse)) {
 		cp = ip_vs_conn_in_get(IPPROTO_UDP,
 				       iph->saddr,
-				       __constant_htons(PORT_ISAKMP),
+				       htons(PORT_ISAKMP),
 				       iph->daddr,
-				       __constant_htons(PORT_ISAKMP));
+				       htons(PORT_ISAKMP));
 	} else {
 		cp = ip_vs_conn_in_get(IPPROTO_UDP,
 				       iph->daddr,
-				       __constant_htons(PORT_ISAKMP),
+				       htons(PORT_ISAKMP),
 				       iph->saddr,
-				       __constant_htons(PORT_ISAKMP));
+				       htons(PORT_ISAKMP));
 	}
 
 	if (!cp) {
@@ -89,15 +89,15 @@ esp_conn_out_get(const struct sk_buff *skb, struct ip_vs_protocol *pp,
 	if (likely(!inverse)) {
 		cp = ip_vs_conn_out_get(IPPROTO_UDP,
 					iph->saddr,
-					__constant_htons(PORT_ISAKMP),
+					htons(PORT_ISAKMP),
 					iph->daddr,
-					__constant_htons(PORT_ISAKMP));
+					htons(PORT_ISAKMP));
 	} else {
 		cp = ip_vs_conn_out_get(IPPROTO_UDP,
 					iph->daddr,
-					__constant_htons(PORT_ISAKMP),
+					htons(PORT_ISAKMP),
 					iph->saddr,
-					__constant_htons(PORT_ISAKMP));
+					htons(PORT_ISAKMP));
 	}
 
 	if (!cp) {
diff --git a/net/ipv4/ipvs/ip_vs_sched.c b/net/ipv4/ipvs/ip_vs_sched.c
index 4322358..121a32b 100644
--- a/net/ipv4/ipvs/ip_vs_sched.c
+++ b/net/ipv4/ipvs/ip_vs_sched.c
@@ -24,6 +24,7 @@
 #include <linux/interrupt.h>
 #include <asm/string.h>
 #include <linux/kmod.h>
+#include <linux/sysctl.h>
 
 #include <net/ip_vs.h>
 
diff --git a/net/ipv4/ipvs/ip_vs_sync.c b/net/ipv4/ipvs/ip_vs_sync.c
index bd930ef..948378d 100644
--- a/net/ipv4/ipvs/ip_vs_sync.c
+++ b/net/ipv4/ipvs/ip_vs_sync.c
@@ -305,10 +305,11 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
 
 	p = (char *)buffer + sizeof(struct ip_vs_sync_mesg);
 	for (i=0; i<m->nr_conns; i++) {
-		unsigned flags;
+		unsigned flags, state;
 
 		s = (struct ip_vs_sync_conn *)p;
-		flags = ntohs(s->flags);
+		flags = ntohs(s->flags) | IP_VS_CONN_F_SYNC;
+		state = ntohs(s->state);
 		if (!(flags & IP_VS_CONN_F_TEMPLATE))
 			cp = ip_vs_conn_in_get(s->protocol,
 					       s->caddr, s->cport,
@@ -326,6 +327,13 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
 			dest = ip_vs_find_dest(s->daddr, s->dport,
 					       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;
+			}
 			cp = ip_vs_conn_new(s->protocol,
 					    s->caddr, s->cport,
 					    s->vaddr, s->vport,
@@ -337,7 +345,7 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
 				IP_VS_ERR("ip_vs_conn_new failed\n");
 				return;
 			}
-			cp->state = ntohs(s->state);
+			cp->state = state;
 		} else if (!cp->dest) {
 			dest = ip_vs_try_bind_dest(cp);
 			if (!dest) {
@@ -346,8 +354,22 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
 				cp->flags = flags | IP_VS_CONN_F_HASHED;
 			} else
 				atomic_dec(&dest->refcnt);
-		}	/* Note that we don't touch its state and flags
-			   if it is a normal entry. */
+		} 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 (flags & IP_VS_CONN_F_SEQ_MASK) {
 			opt = (struct ip_vs_sync_conn_options *)&s[1];
@@ -357,7 +379,7 @@ static void ip_vs_process_message(const char *buffer, const size_t buflen)
 			p += SIMPLE_CONN_SIZE;
 
 		atomic_set(&cp->in_pkts, sysctl_ip_vs_sync_threshold[0]);
-		cp->state = ntohs(s->state);
+		cp->state = state;
 		pp = ip_vs_proto_get(s->protocol);
 		cp->timeout = pp->timeout_table[cp->state];
 		ip_vs_conn_put(cp);
diff --git a/net/ipv4/ipvs/ip_vs_xmit.c b/net/ipv4/ipvs/ip_vs_xmit.c
index 7c074e3..f63006c 100644
--- a/net/ipv4/ipvs/ip_vs_xmit.c
+++ b/net/ipv4/ipvs/ip_vs_xmit.c
@@ -16,8 +16,8 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/ip.h>
 #include <linux/tcp.h>                  /* for tcphdr */
+#include <net/ip.h>
 #include <net/tcp.h>                    /* for csum_tcpudp_magic */
 #include <net/udp.h>
 #include <net/icmp.h>                   /* for icmp_send */
@@ -59,7 +59,7 @@ __ip_vs_dst_check(struct ip_vs_dest *dest, u32 rtos, u32 cookie)
 	return dst;
 }
 
-static inline struct rtable *
+static struct rtable *
 __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
 {
 	struct rtable *rt;			/* Route to the other host */
@@ -78,7 +78,7 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
 						.tos = rtos, } },
 			};
 
-			if (ip_route_output_key(&rt, &fl)) {
+			if (ip_route_output_key(&init_net, &rt, &fl)) {
 				spin_unlock(&dest->dst_lock);
 				IP_VS_DBG_RL("ip_route_output error, "
 					     "dest: %u.%u.%u.%u\n",
@@ -101,7 +101,7 @@ __ip_vs_get_out_rt(struct ip_vs_conn *cp, u32 rtos)
 					.tos = rtos, } },
 		};
 
-		if (ip_route_output_key(&rt, &fl)) {
+		if (ip_route_output_key(&init_net, &rt, &fl)) {
 			IP_VS_DBG_RL("ip_route_output error, dest: "
 				     "%u.%u.%u.%u\n", NIPQUAD(cp->daddr));
 			return NULL;
@@ -129,7 +129,7 @@ ip_vs_dst_reset(struct ip_vs_dest *dest)
 do {							\
 	(skb)->ipvs_property = 1;			\
 	skb_forward_csum(skb);				\
-	NF_HOOK(PF_INET, NF_IP_LOCAL_OUT, (skb), NULL,	\
+	NF_HOOK(PF_INET, NF_INET_LOCAL_OUT, (skb), NULL,	\
 		(rt)->u.dst.dev, dst_output);		\
 } while (0)
 
@@ -170,7 +170,7 @@ ip_vs_bypass_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 
 	EnterFunction(10);
 
-	if (ip_route_output_key(&rt, &fl)) {
+	if (ip_route_output_key(&init_net, &rt, &fl)) {
 		IP_VS_DBG_RL("ip_vs_bypass_xmit(): ip_route_output error, "
 			     "dest: %u.%u.%u.%u\n", NIPQUAD(iph->daddr));
 		goto tx_error_icmp;
@@ -406,14 +406,12 @@ ip_vs_tunnel_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	iph->daddr		=	rt->rt_dst;
 	iph->saddr		=	rt->rt_src;
 	iph->ttl		=	old_iph->ttl;
-	iph->tot_len		=	htons(skb->len);
 	ip_select_ident(iph, &rt->u.dst, NULL);
-	ip_send_check(iph);
 
 	/* Another hack: avoid icmp_send in ip_fragment */
 	skb->local_df = 1;
 
-	IP_VS_XMIT(skb, rt);
+	ip_local_out(skb);
 
 	LeaveFunction(10);