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authorPatrick McHardy <kaber@trash.net>2007-06-04 21:32:46 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-06-07 13:38:51 -0700
commitf0e48dbfc5c74e967fea4c0fd0c5ad07557ae0c8 (patch)
tree3e082e8946855e6a21f1f65582eb308b1cec0ed1 /net/ipv4/tcp_ipv4.c
parentb91b9fd11210a7023f37eaee1e977ad9ce532095 (diff)
downloadlinux-f0e48dbfc5c74e967fea4c0fd0c5ad07557ae0c8.tar.bz2
[TCP]: Honour sk_bound_dev_if in tcp_v4_send_ack
A time_wait socket inherits sk_bound_dev_if from the original socket, but it is not used when sending ACK packets using ip_send_reply. Fix by passing the oif to ip_send_reply in struct ip_reply_arg and use it for output routing. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_ipv4.c')
-rw-r--r--net/ipv4/tcp_ipv4.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 47c61055eb60..97e294e82679 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -705,6 +705,8 @@ static void tcp_v4_send_ack(struct tcp_timewait_sock *twsk,
ip_hdr(skb)->saddr, /* XXX */
arg.iov[0].iov_len, IPPROTO_TCP, 0);
arg.csumoffset = offsetof(struct tcphdr, check) / 2;
+ if (twsk)
+ arg.bound_dev_if = twsk->tw_sk.tw_bound_dev_if;
ip_send_reply(tcp_socket->sk, skb, &arg, arg.iov[0].iov_len);