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sctp: Do not force T3 timer on fast retransmissions.

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We don't need to force the T3 timer any more and it's
actually wrong to do as it causes too long of a delay.
The timer will be started if one is not running, but if
one is running, we leave it alone.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
This commit is contained in:
Vlad Yasevich
2010-04-30 22:41:09 -04:00
parent ae19c54866
commit d9efc2231b
2 changed files with 5 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
net/sctp/outqueue.c
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@ -659,14 +659,6 @@ redo:
if (chunk->fast_retransmit == SCTP_NEED_FRTX)
chunk->fast_retransmit = SCTP_DONT_FRTX;
/* Force start T3-rtx timer when fast retransmitting
* the earliest outstanding TSN
*/
if (!timer && fast_rtx &&
ntohl(chunk->subh.data_hdr->tsn) ==
asoc->ctsn_ack_point + 1)
timer = 2;
q->empty = 0;
break;
}
@ -871,7 +863,7 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
* sender MUST assure that at least one T3-rtx
* timer is running.
*/
sctp_transport_reset_timers(transport, 0);
sctp_transport_reset_timers(transport);
}
break;
@ -924,8 +916,7 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
rtx_timeout, &start_timer);
if (start_timer)
sctp_transport_reset_timers(transport,
start_timer-1);
sctp_transport_reset_timers(transport);
/* This can happen on COOKIE-ECHO resend. Only
* one chunk can get bundled with a COOKIE-ECHO.
@ -1058,7 +1049,7 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
list_add_tail(&chunk->transmitted_list,
&transport->transmitted);
sctp_transport_reset_timers(transport, 0);
sctp_transport_reset_timers(transport);
q->empty = 0;