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authorYuchung Cheng <ycheng@google.com>2016-09-21 16:16:14 -0700
committerDavid S. Miller <davem@davemloft.net>2016-09-22 03:33:01 -0400
commitde1d657816c6fbb70f07b01d50ec669dff0d4e60 (patch)
tree4cd1dc2e2dd168547e147e2d2d699c8f24a66deb
parentba1ba25d3159573ffdc9e79e5c3dfcf9c5742964 (diff)
downloadlinux-stericsson-de1d657816c6fbb70f07b01d50ec669dff0d4e60.tar.gz
tcp: fix under-accounting retransmit SNMP counters
This patch fixes these under-accounting SNMP rtx stats LINUX_MIB_TCPFORWARDRETRANS LINUX_MIB_TCPFASTRETRANS LINUX_MIB_TCPSLOWSTARTRETRANS when retransmitting TSO packets Fixes: 10d3be569243 ("tcp-tso: do not split TSO packets at retransmit time") Signed-off-by: Yuchung Cheng <ycheng@google.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/tcp_output.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index f53d0cca5fa4..e15ec82a6319 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2831,7 +2831,7 @@ begin_fwd:
if (tcp_retransmit_skb(sk, skb, segs))
return;
- NET_INC_STATS(sock_net(sk), mib_idx);
+ NET_ADD_STATS(sock_net(sk), mib_idx, tcp_skb_pcount(skb));
if (tcp_in_cwnd_reduction(sk))
tp->prr_out += tcp_skb_pcount(skb);