Commit 8b73a07c authored Apr 17, 2008 by Gui Jianfeng Committed by David S. Miller Apr 17, 2008

SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.



According to RFC4960 7.2.2, 
When all of the data transmitted by the sender has
been acknowledged by the recerver, partial_bytes_acked is initialized to 0.

This patch conforms to rfc requirement. 
Without this fix, cwnd might be error incremented.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 2e5a3eac

net/sctp/outqueue.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1532,6 +1532,8 @@ static void sctp_check_transmitted(struct sctp_outq *q,
	bytes_acked);		bytes_acked);

	transport->flight_size -= bytes_acked;		transport->flight_size -= bytes_acked;
			if (transport->flight_size == 0)
			transport->partial_bytes_acked = 0;
	q->outstanding_bytes -= bytes_acked;		q->outstanding_bytes -= bytes_acked;
	} else {		} else {
	/* RFC 2960 6.1, sctpimpguide-06 2.15.2		/* RFC 2960 6.1, sctpimpguide-06 2.15.2