From c10237e077cef50e925f052e49f3b4fead9d71f9 Mon Sep 17 00:00:00 2001
From: "David S. Miller" <davem@davemloft.net>
Date: Wed, 27 Jun 2012 17:05:06 -0700
Subject: Revert "ipv4: tcp: dont cache unconfirmed intput dst"

This reverts commit c074da2810c118b3812f32d6754bd9ead2f169e7.

This change has several unwanted side effects:

1) Sockets will cache the DST_NOCACHE route in sk->sk_rx_dst and we'll
   thus never create a real cached route.

2) All TCP traffic will use DST_NOCACHE and never use the routing
   cache at all.

Signed-off-by: David S. Miller <davem@davemloft.net>
---
 include/net/route.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'include/net/route.h')

diff --git a/include/net/route.h b/include/net/route.h
index 6361f9335774..47eb25ac1f7f 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -201,18 +201,18 @@ static inline struct rtable *ip_route_output_gre(struct net *net, struct flowi4
 }
 
 extern int ip_route_input_common(struct sk_buff *skb, __be32 dst, __be32 src,
-				 u8 tos, struct net_device *devin, bool noref, bool nocache);
+				 u8 tos, struct net_device *devin, bool noref);
 
 static inline int ip_route_input(struct sk_buff *skb, __be32 dst, __be32 src,
 				 u8 tos, struct net_device *devin)
 {
-	return ip_route_input_common(skb, dst, src, tos, devin, false, false);
+	return ip_route_input_common(skb, dst, src, tos, devin, false);
 }
 
 static inline int ip_route_input_noref(struct sk_buff *skb, __be32 dst, __be32 src,
-				       u8 tos, struct net_device *devin, bool nocache)
+				       u8 tos, struct net_device *devin)
 {
-	return ip_route_input_common(skb, dst, src, tos, devin, true, nocache);
+	return ip_route_input_common(skb, dst, src, tos, devin, true);
 }
 
 extern void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu,
-- 
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