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| author | Eric Dumazet <edumazet@google.com> | 2013-04-29 08:39:56 +0000 | 
|---|---|---|
| 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) | |
| download | olio-linux-3.10-6a5dc9e598fe90160fee7de098fa319665f5253e.tar.xz olio-linux-3.10-6a5dc9e598fe90160fee7de098fa319665f5253e.zip  | |
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 b735c23a961..536d40929ba 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)  	tp->packets_out += tcp_skb_pcount(skb);  	if (!prior_packets || icsk->icsk_pending == ICSK_TIME_EARLY_RETRANS || -	    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) +	    icsk->icsk_pending == ICSK_TIME_LOSS_PROBE) {  		tcp_rearm_rto(sk); +	}  }  /* SND.NXT, if window was not shrunk.  |