diff options
author | Eric Dumazet <edumazet@google.com> | 2013-04-29 04:39:56 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-04-29 15:14:03 -0400 |
commit | 6a5dc9e598fe90160fee7de098fa319665f5253e (patch) | |
tree | 7f2c2130e3dec81aea01e997cec7e87744f02694 /net/ipv4/tcp_output.c | |
parent | f233a976ad15c3b8c54c0157f3c41d23f7514279 (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_output.c')
-rw-r--r-- | net/ipv4/tcp_output.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index b735c23a961d..536d40929ba6 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c | |||
@@ -80,8 +80,9 @@ static void tcp_event_new_data_sent(struct sock *sk, const struct sk_buff *skb) | |||
80 | 80 | ||
81 | tp->packets_out += tcp_skb_pcount(skb); | 81 | tp->packets_out += tcp_skb_pcount(skb); |
82 | if (!prior_packets || icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS || | 82 | if (!prior_packets || icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS || |
83 | icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) | 83 | icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) { |
84 | tcp_rearm_rto(sk); | 84 | tcp_rearm_rto(sk); |
85 | } | ||
85 | } | 86 | } |
86 | 87 | ||
87 | /* SND.NXT, if window was not shrunk. | 88 | /* SND.NXT, if window was not shrunk. |