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Update TCPS_HAVERCVDFIN() macro to correctly include all states a connection

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can be in after receiving a FIN.

FWIW, NetBSD has this change for quite some time.

This has been tested at Netflix and Limelight in production traffic.

Reported by:	Sam Kumar <samkumar99 at gmail.com> on transport@
Reviewed by:	rrs
MFC after:	4 weeks
Sponsored by:	Limelight Networks
Differential Revision:	 https://reviews.freebsd.org/D7475
This commit is contained in:
Hiren Panchasara 2016-08-26 17:48:54 +00:00
parent 7df135c055
commit e7106d6be2
1 changed files with 2 additions and 1 deletions
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3
sys/netinet/tcp_fsm.h
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@ -73,7 +73,8 @@
#define TCPS_HAVERCVDSYN(s) ((s) >= TCPS_SYN_RECEIVED)
#define TCPS_HAVEESTABLISHED(s) ((s) >= TCPS_ESTABLISHED)
#define TCPS_HAVERCVDFIN(s) ((s) >= TCPS_TIME_WAIT)
#define TCPS_HAVERCVDFIN(s) \
((s) == TCPS_CLOSE_WAIT || ((s) >= TCPS_CLOSING && (s) != TCPS_FIN_WAIT_2))
#ifdef TCPOUTFLAGS
/*