diff options
| author | Yuchung Cheng <ycheng@google.com> | 2018-11-28 16:06:44 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-13 08:52:20 +0100 |
| commit | a5f37a687f3fc7c3cea674287642424ebf9764a1 (patch) | |
| tree | 11fad9cb801ef153a4bfa4442839ae3ca08a390e /net | |
| parent | 85b03cfe31befc481e1da603d888517da2e30409 (diff) | |
| download | linux-stable-a5f37a687f3fc7c3cea674287642424ebf9764a1.tar.gz linux-stable-a5f37a687f3fc7c3cea674287642424ebf9764a1.tar.bz2 linux-stable-a5f37a687f3fc7c3cea674287642424ebf9764a1.zip | |
tcp: fix SNMP under-estimation on failed retransmission
[ Upstream commit ec641b39457e17774313b66697a8a1dc070257bd ]
Previously the SNMP counter LINUX_MIB_TCPRETRANSFAIL is not counting
the TSO/GSO properly on failed retransmission. This patch fixes that.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/tcp_output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 53f910bb5508..8971cc15d278 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2919,7 +2919,7 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs) TCP_SKB_CB(skb)->sacked |= TCPCB_EVER_RETRANS; trace_tcp_retransmit_skb(sk, skb); } else if (err != -EBUSY) { - NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPRETRANSFAIL); + NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPRETRANSFAIL, segs); } return err; } |