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| author | Sridhar Samudrala <sri@us.ibm.com> | 2006-07-21 14:48:50 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-07-21 14:48:50 -0700 |
| commit | ad8fec1720e000ba2384de6408076a60fc92a981 (patch) | |
| tree | 52fd2f7af583b95db6db369c6b3ea3d6adc26d69 /net/sctp/outqueue.c | |
| parent | cfdeef3282705a4b872d3559c4e7d2561251363c (diff) | |
| download | lwn-ad8fec1720e000ba2384de6408076a60fc92a981.tar.gz lwn-ad8fec1720e000ba2384de6408076a60fc92a981.zip | |
[SCTP]: Verify all the paths to a peer via heartbeat before using them.
This patch implements Path Initialization procedure as described in
Sec 2.36 of RFC4460.
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 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index e5faa351aaad..30b710c54e64 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -691,7 +691,8 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout) if (!new_transport) { new_transport = asoc->peer.active_path; - } else if (new_transport->state == SCTP_INACTIVE) { + } else if ((new_transport->state == SCTP_INACTIVE) || + (new_transport->state == SCTP_UNCONFIRMED)) { /* If the chunk is Heartbeat or Heartbeat Ack, * send it to chunk->transport, even if it's * inactive. @@ -848,7 +849,8 @@ int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout) */ new_transport = chunk->transport; if (!new_transport || - new_transport->state == SCTP_INACTIVE) + ((new_transport->state == SCTP_INACTIVE) || + (new_transport->state == SCTP_UNCONFIRMED))) new_transport = asoc->peer.active_path; /* Change packets if necessary. */ @@ -1464,7 +1466,8 @@ static void sctp_check_transmitted(struct sctp_outq *q, /* Mark the destination transport address as * active if it is not so marked. */ - if (transport->state == SCTP_INACTIVE) { + if ((transport->state == SCTP_INACTIVE) || + (transport->state == SCTP_UNCONFIRMED)) { sctp_assoc_control_transport( transport->asoc, transport, |