[PATCH net 1/1] net: tcp: Increase TCPABORTONLINGER when send RST by linger2 in keepalive timer

[gfree . wind]

From: Gao Feng <f...@ikuai8.com>

It should increase TCPABORTONLINGER counter when send RST caused by
linger2 in keepalive timer.

Signed-off-by: Gao Feng <f...@ikuai8.com>
---
 net/ipv4/tcp_timer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index b2ab411..5c01f21 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -650,6 +650,8 @@ static void tcp_keepalive_timer (unsigned long data)
                                tcp_time_wait(sk, TCP_FIN_WAIT2, tmo);
                                goto out;
                        }
+               } else {
+                       NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTONLINGER);
                }
                tcp_send_active_reset(sk, GFP_ATOMIC);
                goto death;
-- 
1.9.1