diff options
| author | Wei Wang | 2017-04-20 23:45:47 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-04-24 20:27:17 +0200 |
| commit | 46c2fa39877ed70415ee2b1acfb9129e956f6de4 (patch) | |
| tree | a10691f0b2436b49fb8c172ea4be7b16693aa934 /net/ipv4/proc.c | |
| parent | net/tcp_fastopen: Disable active side TFO in certain scenarios (diff) | |
| download | kernel-qcow2-linux-46c2fa39877ed70415ee2b1acfb9129e956f6de4.tar.gz kernel-qcow2-linux-46c2fa39877ed70415ee2b1acfb9129e956f6de4.tar.xz kernel-qcow2-linux-46c2fa39877ed70415ee2b1acfb9129e956f6de4.zip | |
net/tcp_fastopen: Add snmp counter for blackhole detection
This counter records the number of times the firewall blackhole issue is
detected and active TFO is disabled.
Signed-off-by: Wei Wang <weiwan@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/proc.c')
| -rw-r--r-- | net/ipv4/proc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index 4ccbf464d1ac..fa44e752a9a3 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -281,6 +281,7 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPFastOpenPassiveFail", LINUX_MIB_TCPFASTOPENPASSIVEFAIL), SNMP_MIB_ITEM("TCPFastOpenListenOverflow", LINUX_MIB_TCPFASTOPENLISTENOVERFLOW), SNMP_MIB_ITEM("TCPFastOpenCookieReqd", LINUX_MIB_TCPFASTOPENCOOKIEREQD), + SNMP_MIB_ITEM("TCPFastOpenBlackhole", LINUX_MIB_TCPFASTOPENBLACKHOLE), SNMP_MIB_ITEM("TCPSpuriousRtxHostQueues", LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES), SNMP_MIB_ITEM("BusyPollRxPackets", LINUX_MIB_BUSYPOLLRXPACKETS), SNMP_MIB_ITEM("TCPAutoCorking", LINUX_MIB_TCPAUTOCORKING), |