diff options
| author | Wei Wang <weiwan@google.com> | 2017-04-20 14:45:47 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-04-24 14:27:17 -0400 |
| commit | 46c2fa39877ed70415ee2b1acfb9129e956f6de4 (patch) | |
| tree | a10691f0b2436b49fb8c172ea4be7b16693aa934 /include | |
| parent | cf1ef3f0719b4dcb74810ed507e2a2540f9811b4 (diff) | |
| download | linux-46c2fa39877ed70415ee2b1acfb9129e956f6de4.tar.bz2 | |
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 'include')
| -rw-r--r-- | include/net/tcp.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/snmp.h | 1 |
2 files changed, 2 insertions, 1 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h index c1abc2abbdcb..da28bef1d82b 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1507,7 +1507,7 @@ struct tcp_fastopen_context { }; extern unsigned int sysctl_tcp_fastopen_blackhole_timeout; -void tcp_fastopen_active_disable(void); +void tcp_fastopen_active_disable(struct sock *sk); bool tcp_fastopen_active_should_disable(struct sock *sk); void tcp_fastopen_active_disable_ofo_check(struct sock *sk); void tcp_fastopen_active_timeout_reset(void); diff --git a/include/uapi/linux/snmp.h b/include/uapi/linux/snmp.h index cec0e171d20c..95cffcb21dfd 100644 --- a/include/uapi/linux/snmp.h +++ b/include/uapi/linux/snmp.h @@ -259,6 +259,7 @@ enum LINUX_MIB_TCPFASTOPENPASSIVEFAIL, /* TCPFastOpenPassiveFail */ LINUX_MIB_TCPFASTOPENLISTENOVERFLOW, /* TCPFastOpenListenOverflow */ LINUX_MIB_TCPFASTOPENCOOKIEREQD, /* TCPFastOpenCookieReqd */ + LINUX_MIB_TCPFASTOPENBLACKHOLE, /* TCPFastOpenBlackholeDetect */ LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */ LINUX_MIB_BUSYPOLLRXPACKETS, /* BusyPollRxPackets */ LINUX_MIB_TCPAUTOCORKING, /* TCPAutoCorking */ |