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.

Wei Wang committed 9 years ago

Commit 46c2fa31 parent cf1ef3f5 files · +8 −5Browse files

Showing the changes to include/uapi/linux (1 of 5 files). Show all

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@@ -259,6 +259,7 @@ enum · 258 unmodified lines
259	LINUX_MIB_TCPFASTOPENPASSIVEFAIL, /* TCPFastOpenPassiveFail */	259	LINUX_MIB_TCPFASTOPENPASSIVEFAIL, /* TCPFastOpenPassiveFail */
260	LINUX_MIB_TCPFASTOPENLISTENOVERFLOW, /* TCPFastOpenListenOverflow */	260	LINUX_MIB_TCPFASTOPENLISTENOVERFLOW, /* TCPFastOpenListenOverflow */
261	LINUX_MIB_TCPFASTOPENCOOKIEREQD, /* TCPFastOpenCookieReqd */	261	LINUX_MIB_TCPFASTOPENCOOKIEREQD, /* TCPFastOpenCookieReqd */
		262	LINUX_MIB_TCPFASTOPENBLACKHOLE, /* TCPFastOpenBlackholeDetect */
262	LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */	263	LINUX_MIB_TCPSPURIOUS_RTX_HOSTQUEUES, /* TCPSpuriousRtxHostQueues */
263	LINUX_MIB_BUSYPOLLRXPACKETS, /* BusyPollRxPackets */	264	LINUX_MIB_BUSYPOLLRXPACKETS, /* BusyPollRxPackets */
264	LINUX_MIB_TCPAUTOCORKING, /* TCPAutoCorking */	265	LINUX_MIB_TCPAUTOCORKING, /* TCPAutoCorking */