From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yongjun Date: Mon, 09 Mar 2009 08:55:08 +0000 Subject: [PATCH] sctp: fix to send FORWARD-TSN chunk only if peer has such Message-Id: <49B4D96C.302@cn.fujitsu.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sctp@vger.kernel.org RFC3758 Section 3.3.1. Sending Forward-TSN-Supported param in INIT Note that if the endpoint chooses NOT to include the parameter, then at no time during the life of the association can it send or process a FORWARD TSN. If peer does not support PR-SCTP capable, don't send FORWARD-TSN chunk to peer. Signed-off-by: Wei Yongjun --- net/sctp/outqueue.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index a367d15..d765fc5 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -1758,6 +1758,9 @@ static void sctp_generate_fwdtsn(struct sctp_outq *q, __u32 ctsn) struct sctp_chunk *chunk; struct list_head *lchunk, *temp; + if (!asoc->peer.prsctp_capable) + return; + /* PR-SCTP C1) Let SackCumAck be the Cumulative TSN ACK carried in the * received SACK. * -- 1.5.3.8