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| author | Eric Dumazet <edumazet@google.com> | 2013-04-29 08:39:56 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-04-29 19:14:03 (GMT) |
| commit | 6a5dc9e598fe90160fee7de098fa319665f5253e (patch) | |
| tree | 7f2c2130e3dec81aea01e997cec7e87744f02694 /net/ipv4/tcp_input.c | |
| parent | f233a976ad15c3b8c54c0157f3c41d23f7514279 (diff) | |
| download | linux-fsl-qoriq-6a5dc9e598fe90160fee7de098fa319665f5253e.tar.xz | |
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.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index aafd052..08bbe60 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: |