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authorDaniel Borkmann <dborkman@redhat.com>2013-08-09 15:09:08 +0200
committerDavid S. Miller <davem@davemloft.net>2013-08-12 22:12:20 -0700
commitac4f9599362475662efb6efbb334cbcec98d4778 (patch)
treed0cd203ef65e8459cfbc784e2fde2fb30d27aaec /net/sctp
parent56329137211639528ddf05c59a9d7cbde6879d1f (diff)
downloadlinux-ac4f9599362475662efb6efbb334cbcec98d4778.tar.gz
net: sctp: sctp_assoc_control_transport: fix MTU size in SCTP_PF state
The SCTP Quick failover draft [1] section 5.1, point 5 says that the cwnd should be 1 MTU. So, instead of 1, set it to 1 MTU. [1] https://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05 Reported-by: Karl Heiss <kheiss@gmail.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Cc: Neil Horman <nhorman@tuxdriver.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/associola.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index bce5b79662a..ab67efc64b2 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -846,12 +846,12 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
else
spc_state = SCTP_ADDR_AVAILABLE;
/* Don't inform ULP about transition from PF to
- * active state and set cwnd to 1, see SCTP
+ * active state and set cwnd to 1 MTU, see SCTP
* Quick failover draft section 5.1, point 5
*/
if (transport->state == SCTP_PF) {
ulp_notify = false;
- transport->cwnd = 1;
+ transport->cwnd = asoc->pathmtu;
}
transport->state = SCTP_ACTIVE;
break;