From 46c2fa39877ed70415ee2b1acfb9129e956f6de4 Mon Sep 17 00:00:00 2001 From: Wei Wang Date: Thu, 20 Apr 2017 14:45:47 -0700 Subject: 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 Acked-by: Yuchung Cheng Acked-by: Neal Cardwell Signed-off-by: David S. Miller --- include/uapi/linux/snmp.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/uapi/linux/snmp.h') 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 */ -- cgit v1.2.1