lucien 8a0d19c5ed sctp: start t5 timer only when peer rwnd is 0 and local state is SHUTDOWN_PENDING ... when A sends a data to B, then A close() and enter into SHUTDOWN_PENDING state, if B neither claim his rwnd is 0 nor send SACK for this data, A will keep retransmitting this data until t5 timeout, Max.Retrans times can't work anymore, which is bad. if B's rwnd is not 0, it should send abort after Max.Retrans times, only when B's rwnd == 0 and A's retransmitting beyonds Max.Retrans times, A will start t5 timer, which is also commit f8d9605243 ("sctp: Enforce retransmission limit during shutdown") means, but it lacks the condition peer rwnd == 0. so fix it by adding a bit (zero_window_announced) in peer to record if the last rwnd is 0. If it was, zero_window_announced will be set. and use this bit to decide if start t5 timer when local.state is SHUTDOWN_PENDING. Fixes: commit f8d9605243 ("sctp: Enforce retransmission limit during shutdown") Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2015-12-06 22:31:51 -05:00
..
auth.h	include/net/: Fix FSF address in file headers	2013-12-06 12:37:56 -05:00
checksum.h	include/net/: Fix FSF address in file headers	2013-12-06 12:37:56 -05:00
command.h	sctp: handle association restarts when the socket is closed.	2014-10-06 00:21:45 -04:00
constants.h	net: sctp: Rename SCTP_XMIT_NAGLE_DELAY to SCTP_XMIT_DELAY	2014-07-22 13:32:11 -07:00
sctp.h	sctp: Fix mangled IPv4 addresses on a IPv6 listening socket	2015-05-27 14:15:26 -04:00
sm.h	new helper: memcpy_from_msg()	2014-11-24 04:28:48 -05:00
structs.h	sctp: start t5 timer only when peer rwnd is 0 and local state is SHUTDOWN_PENDING	2015-12-06 22:31:51 -05:00
tsnmap.h	sctp: Fix FSF address in file headers	2013-12-06 12:37:56 -05:00
ulpevent.h	net: sctp: implement rfc6458, 5.3.6. SCTP_NXTINFO cmsg support	2014-07-16 14:40:03 -07:00
ulpqueue.h	sctp: Fix FSF address in file headers	2013-12-06 12:37:56 -05:00