Revert "ipv4: tcp: dont cache unconfirmed intput dst"
authorDavid S. Miller <davem@davemloft.net>
Thu, 28 Jun 2012 00:05:06 +0000 (17:05 -0700)
committerDavid S. Miller <davem@davemloft.net>
Thu, 28 Jun 2012 00:05:06 +0000 (17:05 -0700)
commitc10237e077cef50e925f052e49f3b4fead9d71f9
tree5b7418f3a31165ea2e7d119782cad0745cd45792
parente440cf2ca0a1b075c64016240d46c3aa9d877bbf
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/protocol.h
include/net/route.h
include/net/tcp.h
net/ipv4/arp.c
net/ipv4/ip_fragment.c
net/ipv4/ip_input.c
net/ipv4/route.c
net/ipv4/tcp_ipv4.c
net/ipv4/xfrm4_input.c