svn commit: r306517 - stable/11/sys/netinet
Hiren Panchasara
hiren at FreeBSD.org
Fri Sep 30 18:14:06 UTC 2016
Author: hiren
Date: Fri Sep 30 18:14:05 2016
New Revision: 306517
URL: https://svnweb.freebsd.org/changeset/base/306517
Log:
MFC r304855
Update TCPS_HAVERCVDFIN() macro to correctly include all states a connection
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.
Modified:
stable/11/sys/netinet/tcp_fsm.h
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/netinet/tcp_fsm.h
==============================================================================
--- stable/11/sys/netinet/tcp_fsm.h Fri Sep 30 18:12:16 2016 (r306516)
+++ stable/11/sys/netinet/tcp_fsm.h Fri Sep 30 18:14:05 2016 (r306517)
@@ -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
/*
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