diff options
| author | Michio Honda <micchie@sfc.wide.ad.jp> | 2011-06-17 02:22:35 (GMT) |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-11-08 20:11:30 (GMT) |
| commit | 34d2d89f2d7da3b72b3157e778bbf709047ded97 (patch) | |
| tree | d782069c43150d842a274489f9c4b1a35e8e0981 /net | |
| parent | ddc4bbee6ef1ed20314be3888dd39ceefe233e79 (diff) | |
| download | linux-34d2d89f2d7da3b72b3157e778bbf709047ded97.tar.xz | |
sctp: fasthandoff with ASCONF at server-node
Retransmit chunks to newly confirmed destination when ASCONF and
HEARTBEAT negotiation has success with a single-homed peer.
Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sctp/sm_sideeffect.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 76388b0..1ff51c9 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -666,6 +666,7 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds, struct sctp_chunk *chunk) { sctp_sender_hb_info_t *hbinfo; + int was_unconfirmed = 0; /* 8.3 Upon the receipt of the HEARTBEAT ACK, the sender of the * HEARTBEAT should clear the error counter of the destination @@ -692,9 +693,11 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds, /* Mark the destination transport address as active if it is not so * marked. */ - if ((t->state == SCTP_INACTIVE) || (t->state == SCTP_UNCONFIRMED)) + if ((t->state == SCTP_INACTIVE) || (t->state == SCTP_UNCONFIRMED)) { + was_unconfirmed = 1; sctp_assoc_control_transport(asoc, t, SCTP_TRANSPORT_UP, SCTP_HEARTBEAT_SUCCESS); + } /* The receiver of the HEARTBEAT ACK should also perform an * RTT measurement for that destination transport address @@ -712,6 +715,9 @@ static void sctp_cmd_transport_on(sctp_cmd_seq_t *cmds, /* Update the heartbeat timer. */ if (!mod_timer(&t->hb_timer, sctp_transport_timeout(t))) sctp_transport_hold(t); + + if (was_unconfirmed && asoc->peer.transport_count == 1) + sctp_transport_immediate_rtx(t); } |