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| author | Wei Yongjun <yjwei@cn.fujitsu.com> | 2009-03-12 09:49:19 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-13 11:37:58 -0700 |
| commit | 76595024ffab3599bd28ea014f6c23c1a8c8dd2c (patch) | |
| tree | c7beb060526957cf24e215d0d676219b5482ac29 /net/sctp | |
| parent | 5ffad5acebec735b7a368851bf22394b734cae8a (diff) | |
| download | linux-76595024ffab3599bd28ea014f6c23c1a8c8dd2c.tar.gz linux-76595024ffab3599bd28ea014f6c23c1a8c8dd2c.tar.bz2 linux-76595024ffab3599bd28ea014f6c23c1a8c8dd2c.zip | |
sctp: fix to send FORWARD-TSN chunk only if peer has such capable
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 <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | 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 a367d15a21aa..d765fc53e74d 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. * |