[SCTP]: Remove timeouts[] array from sctp_endpoint.

The socket level timeout values are maintained in sctp_sock and
association level timeouts are in sctp_association. So there is
no need for ep->timeouts.

Signed-off-by: Vladislav Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/sctp/structs.h

@@ -1222,9 +1222,6 @@ struct sctp_endpoint {
 	int last_key;
 	int key_changed_at;
 
-	/* Default timeouts.  */
-	int timeouts[SCTP_NUM_TIMEOUT_TYPES];
-
 	/* sendbuf acct. policy.	*/
 	__u32 sndbuf_policy;
 };

net/sctp/associola.c

@@ -128,9 +128,29 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a
 	 */
 	asoc->max_burst = sctp_max_burst;
 
-	/* Copy things from the endpoint.  */
+	/* initialize association timers */
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_NONE] = 0;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] = asoc->rto_initial;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] = asoc->rto_initial;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_T2_SHUTDOWN] = asoc->rto_initial;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_T3_RTX] = 0;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_T4_RTO] = 0;
+
+	/* sctpimpguide Section 2.12.2
+	 * If the 'T5-shutdown-guard' timer is used, it SHOULD be set to the
+	 * recommended value of 5 times 'RTO.Max'.
+	 */
+        asoc->timeouts[SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD]
+		= 5 * asoc->rto_max;
+
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] =
+		SCTP_DEFAULT_TIMEOUT_SACK;
+	asoc->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] =
+		sp->autoclose * HZ;
+	
+	/* Initilizes the timers */
 	for (i = SCTP_EVENT_TIMEOUT_NONE; i < SCTP_NUM_TIMEOUT_TYPES; ++i) {
-		asoc->timeouts[i] = ep->timeouts[i];
 		init_timer(&asoc->timers[i]);
 		asoc->timers[i].function = sctp_timer_events[i];
 		asoc->timers[i].data = (unsigned long) asoc;

net/sctp/endpointola.c

@@ -70,7 +70,6 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
 						struct sock *sk,
 						gfp_t gfp)
 {
-	struct sctp_sock *sp = sctp_sk(sk);
 	memset(ep, 0, sizeof(struct sctp_endpoint));
 
 	/* Initialize the base structure. */
@@ -100,28 +99,6 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep,
 	/* Create the lists of associations.  */
 	INIT_LIST_HEAD(&ep->asocs);
 
-	/* Set up the base timeout information.  */
-	ep->timeouts[SCTP_EVENT_TIMEOUT_NONE] = 0;
-	ep->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
-		msecs_to_jiffies(sp->rtoinfo.srto_initial);
-	ep->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
-		msecs_to_jiffies(sp->rtoinfo.srto_initial);
-	ep->timeouts[SCTP_EVENT_TIMEOUT_T2_SHUTDOWN] =
-		msecs_to_jiffies(sp->rtoinfo.srto_initial);
-	ep->timeouts[SCTP_EVENT_TIMEOUT_T3_RTX] = 0;
-	ep->timeouts[SCTP_EVENT_TIMEOUT_T4_RTO] = 0;
-
-	/* sctpimpguide-05 Section 2.12.2
-	 * If the 'T5-shutdown-guard' timer is used, it SHOULD be set to the
-	 * recommended value of 5 times 'RTO.Max'.
-	 */
-        ep->timeouts[SCTP_EVENT_TIMEOUT_T5_SHUTDOWN_GUARD]
-		= 5 * msecs_to_jiffies(sp->rtoinfo.srto_max);
-
-	ep->timeouts[SCTP_EVENT_TIMEOUT_HEARTBEAT] = 0;
-	ep->timeouts[SCTP_EVENT_TIMEOUT_SACK] = sctp_sack_timeout;
-	ep->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] = sp->autoclose * HZ;
-
 	/* Use SCTP specific send buffer space queues.  */
 	ep->sndbuf_policy = sctp_sndbuf_policy;
 	sk->sk_write_space = sctp_write_space;

net/sctp/sm_sideeffect.c

@@ -385,7 +385,7 @@ sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = {
 	NULL,
 	sctp_generate_t4_rto_event,
 	sctp_generate_t5_shutdown_guard_event,
-	sctp_generate_heartbeat_event,
+	NULL,
 	sctp_generate_sack_event,
 	sctp_generate_autoclose_event,
 };
@@ -689,9 +689,9 @@ static void sctp_cmd_new_state(sctp_cmd_seq_t *cmds,
 		 * increased due to timer expirations.
 		 */
 		asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT] =
-			asoc->ep->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT];
+						asoc->rto_initial;
 		asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE] =
-			asoc->ep->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE];
+						asoc->rto_initial;
 	}
 
 	if (sctp_state(asoc, ESTABLISHED) ||

net/sctp/socket.c

@@ -1932,7 +1932,6 @@ static int sctp_setsockopt_autoclose(struct sock *sk, char __user *optval,
 	if (copy_from_user(&sp->autoclose, optval, optlen))
 		return -EFAULT;
 
-	sp->ep->timeouts[SCTP_EVENT_TIMEOUT_AUTOCLOSE] = sp->autoclose * HZ;
 	return 0;
 }