sctp: Fix broken RTO-doubling for data retransmits
commit7e99013a5043cacd375375c3efad35b57c3afdba
authorVlad Yasevich <vladislav.yasevich@hp.com>
Mon, 2 Mar 2009 09:46:14 +0000 (2 09:46 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 3 Mar 2009 06:49:18 +0000 (2 22:49 -0800)
tree52b66988e7f49c644731acfa616afe9b4e1501c1
parentf61f6f82c90cbaa85270f26b89e3309a8c6e2e88
sctp: Fix broken RTO-doubling for data retransmits

Commit faee47cdbfe8d74a1573c2f81ea6dbb08d735be6
(sctp: Fix the RTO-doubling on idle-link heartbeats)
broke the RTO doubling for data retransmits.  If the
heartbeat was sent before the data T3-rtx time, the
the RTO will not double upon the T3-rtx expiration.
Distingish between the operations by passing an argument
to the function.

Additionally, Wei Youngjun pointed out that our treatment
of requested HEARTBEATS and timer HEARTBEATS is the same
wrt resetting congestion window.  That needs to be separated,
since user requested HEARTBEATS should not treat the link
as idle.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/sctp/command.h
net/sctp/sm_sideeffect.c
net/sctp/sm_statefuns.c