[SCTP]: Fix bad sysctl formatting of SCTP timeout values on 64-bit m/cs.

Change all the structure members that hold jiffies to be of type
unsigned long.  This also corrects bad sysctl formating on 64 bit
architectures.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>

include/net/sctp/structs.h

@@ -127,9 +127,9 @@ extern struct sctp_globals {
 	 * RTO.Alpha		    - 1/8  (3 when converted to right shifts.)
 	 * RTO.Beta		    - 1/4  (2 when converted to right shifts.)
 	 */
-	__u32 rto_initial;
-	__u32 rto_min;
-	__u32 rto_max;
+	unsigned long rto_initial;
+	unsigned long rto_min;
+	unsigned long rto_max;
 
 	/* Note: rto_alpha and rto_beta are really defined as inverse
 	 * powers of two to facilitate integer operations.
@@ -140,12 +140,18 @@ extern struct sctp_globals {
 	/* Max.Burst		    - 4 */
 	int max_burst;
 
-	/* Valid.Cookie.Life	    - 60  seconds  */
-	int valid_cookie_life;
-
 	/* Whether Cookie Preservative is enabled(1) or not(0) */
 	int cookie_preserve_enable;
 
+	/* Valid.Cookie.Life	    - 60  seconds  */
+	unsigned long valid_cookie_life;
+
+	/* Delayed SACK timeout  200ms default*/
+	unsigned long sack_timeout;
+
+	/* HB.interval		    - 30 seconds  */
+	unsigned long hb_interval;
+
 	/* Association.Max.Retrans  - 10 attempts
 	 * Path.Max.Retrans	    - 5	 attempts (per destination address)
 	 * Max.Init.Retransmits	    - 8	 attempts
@@ -168,12 +174,6 @@ extern struct sctp_globals {
 	 */
 	int rcvbuf_policy;
 
-	/* Delayed SACK timeout  200ms default*/
-	int sack_timeout;
-
-	/* HB.interval		    - 30 seconds  */
-	int hb_interval;
-
 	/* The following variables are implementation specific.	 */
 
 	/* Default initialization values to be applied to new associations. */
@@ -828,7 +828,7 @@ struct sctp_transport {
 	__u32 rtt;		/* This is the most recent RTT.	 */
 
 	/* RTO	       : The current retransmission timeout value.  */
-	__u32 rto;
+	unsigned long rto;
 
 	/* RTTVAR      : The current RTT variation.  */
 	__u32 rttvar;
@@ -878,22 +878,10 @@ struct sctp_transport {
 	/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
 	 * the destination address every heartbeat interval.
 	 */
-	__u32 hbinterval;
-
-	/* This is the max_retrans value for the transport and will
-	 * be initialized from the assocs value.  This can be changed
-	 * using SCTP_SET_PEER_ADDR_PARAMS socket option.
-	 */
-	__u16 pathmaxrxt;
-
-	/* PMTU	      : The current known path MTU.  */
-	__u32 pathmtu;
+	unsigned long hbinterval;
 
 	/* SACK delay timeout */
-	__u32 sackdelay;
-
-	/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
-	__u32 param_flags;
+	unsigned long sackdelay;
 
 	/* When was the last time (in jiffies) that we heard from this
 	 * transport?  We use this to pick new active and retran paths.
@@ -905,6 +893,18 @@ struct sctp_transport {
 	 */
 	unsigned long last_time_ecne_reduced;
 
+	/* This is the max_retrans value for the transport and will
+	 * be initialized from the assocs value.  This can be changed
+	 * using SCTP_SET_PEER_ADDR_PARAMS socket option.
+	 */
+	__u16 pathmaxrxt;
+
+	/* PMTU	      : The current known path MTU.  */
+	__u32 pathmtu;
+
+	/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
+	__u32 param_flags;
+
 	/* The number of times INIT has been sent on this transport. */
 	int init_sent_count;
 
@@ -1500,9 +1500,9 @@ struct sctp_association {
 	 * These values will be initialized by system defaults, but can
 	 * be modified via the SCTP_RTOINFO socket option.
 	 */
-	__u32 rto_initial;
-	__u32 rto_max;
-	__u32 rto_min;
+	unsigned long rto_initial;
+	unsigned long rto_max;
+	unsigned long rto_min;
 
 	/* Maximum number of new data packets that can be sent in a burst.  */
 	int max_burst;
@@ -1520,13 +1520,13 @@ struct sctp_association {
 	__u16 init_retries;
 
 	/* The largest timeout or RTO value to use in attempting an INIT */
-	__u16 max_init_timeo;
+	unsigned long max_init_timeo;
 
 	/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
 	 * the destination address every heartbeat interval. This value
 	 * will be inherited by all new transports.
 	 */
-	__u32 hbinterval;
+	unsigned long hbinterval;
 
 	/* This is the max_retrans value for new transports in the
 	 * association.
@@ -1538,13 +1538,14 @@ struct sctp_association {
 	 */
 	__u32 pathmtu;
 
-	/* SACK delay timeout */
-	__u32 sackdelay;
-
 	/* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
 	__u32 param_flags;
 
-	int timeouts[SCTP_NUM_TIMEOUT_TYPES];
+	/* SACK delay timeout */
+	unsigned long sackdelay;
+
+
+	unsigned long timeouts[SCTP_NUM_TIMEOUT_TYPES];
 	struct timer_list timers[SCTP_NUM_TIMEOUT_TYPES];
 
 	/* Transport to which SHUTDOWN chunk was last sent.  */
@@ -1649,7 +1650,10 @@ struct sctp_association {
 	/* How many duplicated TSNs have we seen?  */
 	int numduptsns;
 
-	/* Number of seconds of idle time before an association is closed.  */
+	/* Number of seconds of idle time before an association is closed.
+	 * In the association context, this is really used as a boolean
+	 * since the real timeout is stored in the timeouts array
+	 */
 	__u32 autoclose;
 
 	/* These are to support

net/sctp/sm_sideeffect.c

@@ -1300,7 +1300,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 					"T1 INIT Timeout adjustment"
 					" init_err_counter: %d"
 					" cycle: %d"
-					" timeout: %d\n",
+					" timeout: %ld\n",
 					asoc->init_err_counter,
 					asoc->init_cycle,
 					asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_INIT]);
@@ -1328,7 +1328,7 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
 			SCTP_DEBUG_PRINTK(
 				"T1 COOKIE Timeout adjustment"
 				" init_err_counter: %d"
-				" timeout: %d\n",
+				" timeout: %ld\n",
 				asoc->init_err_counter,
 				asoc->timeouts[SCTP_EVENT_TIMEOUT_T1_COOKIE]);
 

net/sctp/socket.c

@@ -2995,7 +2995,7 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
 	sp->hbinterval  = jiffies_to_msecs(sctp_hb_interval);
 	sp->pathmaxrxt  = sctp_max_retrans_path;
 	sp->pathmtu     = 0; // allow default discovery
-	sp->sackdelay   = sctp_sack_timeout;
+	sp->sackdelay   = jiffies_to_msecs(sctp_sack_timeout);
 	sp->param_flags = SPP_HB_ENABLE |
 	                  SPP_PMTUD_ENABLE |
 	                  SPP_SACKDELAY_ENABLE;

net/sctp/sysctl.c

@@ -159,12 +159,9 @@ static ctl_table sctp_table[] = {
 		.ctl_name	= NET_SCTP_PRESERVE_ENABLE,
 		.procname	= "cookie_preserve_enable",
 		.data		= &sctp_cookie_preserve_enable,
-		.maxlen		= sizeof(long),
+		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_doulongvec_ms_jiffies_minmax,
-		.strategy	= &sctp_sysctl_jiffies_ms,
-		.extra1         = &rto_timer_min,
-		.extra2         = &rto_timer_max
+		.proc_handler	= &proc_dointvec
 	},
 	{
 		.ctl_name	= NET_SCTP_RTO_ALPHA,

net/sctp/transport.c

@@ -350,7 +350,7 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
 	tp->rto_pending = 0;
 
 	SCTP_DEBUG_PRINTK("%s: transport: %p, rtt: %d, srtt: %d "
-			  "rttvar: %d, rto: %d\n", __FUNCTION__,
+			  "rttvar: %d, rto: %ld\n", __FUNCTION__,
 			  tp, rtt, tp->srtt, tp->rttvar, tp->rto);
 }