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authorEric Dumazet <edumazet@google.com>2013-04-29 08:39:56 +0000
committerDavid S. Miller <davem@davemloft.net>2013-04-29 15:14:03 -0400
commit6a5dc9e598fe90160fee7de098fa319665f5253e (patch)
tree7f2c2130e3dec81aea01e997cec7e87744f02694 /net/ipv4/tcp_input.c
parentf233a976ad15c3b8c54c0157f3c41d23f7514279 (diff)
net: Add MIB counters for checksum errors
Add MIB counters for checksum errors in IP layer, and TCP/UDP/ICMP layers, to help diagnose problems. $ nstat -a | grep Csum IcmpInCsumErrors 72 0.0 TcpInCsumErrors 382 0.0 UdpInCsumErrors 463221 0.0 Icmp6InCsumErrors 75 0.0 Udp6InCsumErrors 173442 0.0 IpExtInCsumErrors 10884 0.0 Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index aafd052865b..08bbe609652 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5273,6 +5273,7 @@ step5:
return 0;
csum_error:
+ TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_CSUMERRORS);
TCP_INC_STATS_BH(sock_net(sk), TCP_MIB_INERRS);
discard: