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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1745 commits)
  dp83640: free packet queues on remove
  dp83640: use proper function to free transmit time stamping packets
  ipv6: Do not use routes from locally generated RAs
  |PATCH net-next] tg3: add tx_dropped counter
  be2net: don't create multiple RX/TX rings in multi channel mode
  be2net: don't create multiple TXQs in BE2
  be2net: refactor VF setup/teardown code into be_vf_setup/clear()
  be2net: add vlan/rx-mode/flow-control config to be_setup()
  net_sched: cls_flow: use skb_header_pointer()
  ipv4: avoid useless call of the function check_peer_pmtu
  TCP: remove TCP_DEBUG
  net: Fix driver name for mdio-gpio.c
  ipv4: tcp: fix TOS value in ACK messages sent from TIME_WAIT
  rtnetlink: Add missing manual netlink notification in dev_change_net_namespaces
  ipv4: fix ipsec forward performance regression
  jme: fix irq storm after suspend/resume
  route: fix ICMP redirect validation
  net: hold sock reference while processing tx timestamps
  tcp: md5: add more const attributes
  Add ethtool -g support to virtio_net
  ...

Fix up conflicts in:
 - drivers/net/Kconfig:
	The split-up generated a trivial conflict with removal of a
	stale reference to Documentation/networking/net-modules.txt.
	Remove it from the new location instead.
 - fs/sysfs/dir.c:
	Fairly nasty conflicts with the sysfs rb-tree usage, conflicting
	with Eric Biederman's changes for tagged directories.

1 files changed, 35 insertions, 18 deletions

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 075212e41b83..155138d8ec8b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -120,7 +120,6 @@
 
 static int ip_rt_max_size;
 static int ip_rt_gc_timeout __read_mostly	= RT_GC_TIMEOUT;
-static int ip_rt_gc_interval __read_mostly	= 60 * HZ;
 static int ip_rt_gc_min_interval __read_mostly	= HZ / 2;
 static int ip_rt_redirect_number __read_mostly	= 9;
 static int ip_rt_redirect_load __read_mostly	= HZ / 50;
@@ -324,7 +323,7 @@ static struct rtable *rt_cache_get_first(struct seq_file *seq)
 	struct rtable *r = NULL;
 
 	for (st->bucket = rt_hash_mask; st->bucket >= 0; --st->bucket) {
-		if (!rcu_dereference_raw(rt_hash_table[st->bucket].chain))
+		if (!rcu_access_pointer(rt_hash_table[st->bucket].chain))
 			continue;
 		rcu_read_lock_bh();
 		r = rcu_dereference_bh(rt_hash_table[st->bucket].chain);
@@ -350,7 +349,7 @@ static struct rtable *__rt_cache_get_next(struct seq_file *seq,
 		do {
 			if (--st->bucket < 0)
 				return NULL;
-		} while (!rcu_dereference_raw(rt_hash_table[st->bucket].chain));
+		} while (!rcu_access_pointer(rt_hash_table[st->bucket].chain));
 		rcu_read_lock_bh();
 		r = rcu_dereference_bh(rt_hash_table[st->bucket].chain);
 	}
@@ -761,7 +760,7 @@ static void rt_do_flush(struct net *net, int process_context)
 
 		if (process_context && need_resched())
 			cond_resched();
-		rth = rcu_dereference_raw(rt_hash_table[i].chain);
+		rth = rcu_access_pointer(rt_hash_table[i].chain);
 		if (!rth)
 			continue;
 
@@ -1309,7 +1308,12 @@ static void rt_del(unsigned hash, struct rtable *rt)
 void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 		    __be32 saddr, struct net_device *dev)
 {
+	int s, i;
 	struct in_device *in_dev = __in_dev_get_rcu(dev);
+	struct rtable *rt;
+	__be32 skeys[2] = { saddr, 0 };
+	int    ikeys[2] = { dev->ifindex, 0 };
+	struct flowi4 fl4;
 	struct inet_peer *peer;
 	struct net *net;
 
@@ -1332,13 +1336,34 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 			goto reject_redirect;
 	}
 
-	peer = inet_getpeer_v4(daddr, 1);
-	if (peer) {
-		peer->redirect_learned.a4 = new_gw;
+	memset(&fl4, 0, sizeof(fl4));
+	fl4.daddr = daddr;
+	for (s = 0; s < 2; s++) {
+		for (i = 0; i < 2; i++) {
+			fl4.flowi4_oif = ikeys[i];
+			fl4.saddr = skeys[s];
+			rt = __ip_route_output_key(net, &fl4);
+			if (IS_ERR(rt))
+				continue;
 
-		inet_putpeer(peer);
+			if (rt->dst.error || rt->dst.dev != dev ||
+			    rt->rt_gateway != old_gw) {
+				ip_rt_put(rt);
+				continue;
+			}
+
+			if (!rt->peer)
+				rt_bind_peer(rt, rt->rt_dst, 1);
+
+			peer = rt->peer;
+			if (peer) {
+				peer->redirect_learned.a4 = new_gw;
+				atomic_inc(&__rt_peer_genid);
+			}
 
-		atomic_inc(&__rt_peer_genid);
+			ip_rt_put(rt);
+			return;
+		}
 	}
 	return;
 
@@ -1568,11 +1593,10 @@ unsigned short ip_rt_frag_needed(struct net *net, const struct iphdr *iph,
 			est_mtu = mtu;
 			peer->pmtu_learned = mtu;
 			peer->pmtu_expires = pmtu_expires;
+			atomic_inc(&__rt_peer_genid);
 		}
 
 		inet_putpeer(peer);
-
-		atomic_inc(&__rt_peer_genid);
 	}
 	return est_mtu ? : new_mtu;
 }
@@ -3121,13 +3145,6 @@ static ctl_table ipv4_route_table[] = {
 		.proc_handler	= proc_dointvec_jiffies,
 	},
 	{
-		.procname	= "gc_interval",
-		.data		= &ip_rt_gc_interval,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec_jiffies,
-	},
-	{
 		.procname	= "redirect_load",
 		.data		= &ip_rt_redirect_load,
 		.maxlen		= sizeof(int),