From: Gao Feng <f...@ikuai8.com>
Because TCP_MIB_OUTRSTS is an important count, so always increase it
whatever send it successfully or not.
Now move the increment of TCP_MIB_OUTRSTS to the top of
tcp_send_active_reset to make sure it is increased always even though
fail to alloc skb.
Signed-off-by: Gao Feng <f...@ikuai8.com>
---
v2: Always increase TCP_MIB_OUTRSTS, per Neal
v1: initial version
net/ipv4/tcp_output.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 22548b5..c3c082e 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2999,6 +2999,8 @@ void tcp_send_active_reset(struct sock *sk, gfp_t
priority)
{
struct sk_buff *skb;
+ TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS);
+
/* NOTE: No TCP options attached and we never retransmit this. */
skb = alloc_skb(MAX_TCP_HEADER, priority);
if (!skb) {
@@ -3014,8 +3016,6 @@ void tcp_send_active_reset(struct sock *sk, gfp_t
priority)
/* Send it off. */
if (tcp_transmit_skb(sk, skb, 0, priority))
NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTFAILED);
-
- TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS);
}
/* Send a crossed SYN-ACK during socket establishment.
--
1.9.1
.
