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| author | Sridhar Samudrala <sri@us.ibm.com> | 2006-09-29 17:09:05 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-09-29 17:09:05 -0700 |
| commit | cd49788563d3b9e2ec0b316fa57aef1c0cb3bd4b (patch) | |
| tree | a05455a25c805f5ec775f730ee7cab789948649d /net/sctp/outqueue.c | |
| parent | 208edef6a5b6c50363c77efcf34c4b4020681029 (diff) | |
| download | linux-stable-cd49788563d3b9e2ec0b316fa57aef1c0cb3bd4b.tar.gz linux-stable-cd49788563d3b9e2ec0b316fa57aef1c0cb3bd4b.tar.bz2 linux-stable-cd49788563d3b9e2ec0b316fa57aef1c0cb3bd4b.zip | |
[SCTP]: Include sk_buff overhead while updating the peer's receive window.
Currently if the sender is sending small messages, it can cause a receiver
to run out of receive buffer space even when the advertised receive window
is still open and results in packet drops and retransmissions. Including
a overhead while updating the sender's view of peer receive window will
reduce the chances of receive buffer space overshooting the receive window.
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/outqueue.c')
| -rw-r--r-- | net/sctp/outqueue.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 37074a39ecbb..739582415bf6 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -416,7 +416,8 @@ void sctp_retransmit_mark(struct sctp_outq *q, * (Section 7.2.4)), add the data size of those * chunks to the rwnd. */ - q->asoc->peer.rwnd += sctp_data_size(chunk); + q->asoc->peer.rwnd += (sctp_data_size(chunk) + + sizeof(struct sk_buff)); q->outstanding_bytes -= sctp_data_size(chunk); transport->flight_size -= sctp_data_size(chunk); |