ipv4: tcp: dont cache output dst for syncookies
authorEric Dumazet <edumazet@google.com>
Wed, 20 Jun 2012 05:02:19 +0000 (05:02 +0000)
committerDavid S. Miller <davem@davemloft.net>
Sat, 23 Jun 2012 04:47:33 +0000 (21:47 -0700)
commit7586eceb0abc0ea1c2b023e3e5d4dfd4ff40930a
tree79fc35a3afa23896ab3e6e00b4d9d1178bfee1df
parent24ea818e305b92ad1fadcca015ae3b0c1222c497
ipv4: tcp: dont cache output dst for syncookies

Don't cache output dst for syncookies, as this adds pressure on IP route
cache and rcu subsystem for no gain.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/flow.h
include/net/inet_connection_sock.h
net/dccp/ipv4.c
net/ipv4/inet_connection_sock.c
net/ipv4/route.c
net/ipv4/tcp_ipv4.c