[PATCH net-next] tcp: consume packet after do time wait process

[Jianguo Wu]

From: Jianguo Wu <wujianguo@xxxxxxxxxxxxxxx>

Using consume_skb() instead of kfree_skb_reason() after do normally
time wait process to be drop monitor friendly.

Signed-off-by: Jianguo Wu <wujianguo@xxxxxxxxxxxxxxx>
---
 net/ipv4/tcp_ipv4.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index f9cec62..957d86c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -2154,7 +2154,9 @@ int tcp_v4_rcv(struct sk_buff *skb)
 		goto discard_it;
 	case TCP_TW_SUCCESS:;
 	}
-	goto discard_it;
+
+	consume_skb(skb);
+	return 0;
 }

 static struct timewait_sock_ops tcp_timewait_sock_ops = {
-- 
1.8.3.1