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authorMichio Honda <micchie@sfc.wide.ad.jp>2011-06-16 10:14:34 +0200
committerDavid S. Miller <davem@davemloft.net>2011-08-25 04:41:13 +0200
commit6af29ccc223b0feb6fc6112281c3fa3cdb1afddf (patch)
tree53cc047bce9d4c81860f5e852851f94cd1022e0e /net/sctp
parentsctp: HEARTBEAT negotiation after ASCONF (diff)
downloadlinux-6af29ccc223b0feb6fc6112281c3fa3cdb1afddf.tar.xz
linux-6af29ccc223b0feb6fc6112281c3fa3cdb1afddf.zip
sctp: Bundle HEAERTBEAT into ASCONF_ACK
With this patch a HEARTBEAT chunk is bundled into the ASCONF-ACK for ADD IP ADDRESS, confirming the new destination as quickly as possible. Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
-rw-r--r--net/sctp/associola.c1
-rw-r--r--net/sctp/sm_make_chunk.c1
-rw-r--r--net/sctp/sm_statefuns.c5
3 files changed, 7 insertions, 0 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index dc16b90ddb6f..152b5b3c3fff 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -282,6 +282,7 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
asoc->peer.asconf_capable = 1;
asoc->asconf_addr_del_pending = NULL;
asoc->src_out_of_asoc_ok = 0;
+ asoc->new_transport = NULL;
/* Create an input queue. */
sctp_inq_init(&asoc->base.inqueue);
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 81db4e385352..0121e0ab0351 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3015,6 +3015,7 @@ static __be16 sctp_process_asconf_param(struct sctp_association *asoc,
/* Start the heartbeat timer. */
if (!mod_timer(&peer->hb_timer, sctp_transport_timeout(peer)))
sctp_transport_hold(peer);
+ asoc->new_transport = peer;
break;
case SCTP_PARAM_DEL_IP:
/* ADDIP 4.3 D7) If a request is received to delete the
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 49b847b00f99..73d14fc02606 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3612,6 +3612,11 @@ sctp_disposition_t sctp_sf_do_asconf(const struct sctp_endpoint *ep,
*/
asconf_ack->dest = chunk->source;
sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(asconf_ack));
+ if (asoc->new_transport) {
+ sctp_sf_heartbeat(ep, asoc, type, asoc->new_transport,
+ commands);
+ ((struct sctp_association *)asoc)->new_transport = NULL;
+ }
return SCTP_DISPOSITION_CONSUME;
}