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

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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>
This commit is contained in:
Gui Jianfeng 2008-04-17 14:22:18 -07:00 committed by David S. Miller
parent 2e5a3eaca3
commit 8b73a07c8f
1 changed files with 2 additions and 0 deletions
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2
net/sctp/outqueue.c
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@ -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