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authorVlad Yasevich <vladislav.yasevich@hp.com>2007-10-24 23:59:16 +0400
committerVlad Yasevich <vladislav.yasevich@hp.com>2007-11-07 19:39:27 +0300
commitb6157d8e03e1e780660a328f7183bcbfa4a93a19 (patch)
treecff4da4725b1bb0c5b603dc07204697dd0623ad5 /include/net/sctp/constants.h
parentf3830ccc2ea503ab37d605f6c313d61423ddd94e (diff)
downloadlinux-b6157d8e03e1e780660a328f7183bcbfa4a93a19.tar.xz
SCTP: Fix difference cases of retransmit.
Commit d0ce92910bc04e107b2f3f2048f07e94f570035d broke several retransmit cases including fast retransmit. The reason is that we should only delay by rto while doing retranmists as a result of a timeout. Retransmit as a result of path mtu discover, fast retransmit, or other evernts that should trigger immidiate retransmissions got broken. Also, since rto is doubled prior to marking of packets elegable for retransmission, we never marked correct chunks anyway. The fix is provide a reason for a given retransmission so that we can mark chunks appropriately and to save the old rto value to do comparisons against. All regressions tests passed with this code. Spotted by Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'include/net/sctp/constants.h')
-rw-r--r--include/net/sctp/constants.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index da8354e8e33c..73fbdf6a24f8 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -407,6 +407,7 @@ typedef enum {
SCTP_RTXR_T3_RTX,
SCTP_RTXR_FAST_RTX,
SCTP_RTXR_PMTUD,
+ SCTP_RTXR_T1_RTX,
} sctp_retransmit_reason_t;
/* Reasons to lower cwnd. */