[SCTP]: Update SCTP_PEER_ADDR_PARAMS socket option to the latest api draft.
This patch adds support to set/get heartbeat interval, maximum number of
retransmissions, pathmtu, sackdelay time for a particular transport/
association/socket as per the latest SCTP sockets api draft11.
Signed-off-by: Frank Filz <ffilz@us.ibm.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 8e7794e..f5c22d7 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -277,6 +277,24 @@
__u32 default_context;
__u32 default_timetolive;
+ /* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
+ * the destination address every heartbeat interval. This value
+ * will be inherited by all new associations.
+ */
+ __u32 hbinterval;
+
+ /* This is the max_retrans value for new associations. */
+ __u16 pathmaxrxt;
+
+ /* The initial Path MTU to use for new associations. */
+ __u32 pathmtu;
+
+ /* The default SACK delay timeout for new associations. */
+ __u32 sackdelay;
+
+ /* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
+ __u32 param_flags;
+
struct sctp_initmsg initmsg;
struct sctp_rtoinfo rtoinfo;
struct sctp_paddrparams paddrparam;
@@ -845,9 +863,6 @@
/* Data that has been sent, but not acknowledged. */
__u32 flight_size;
- /* PMTU : The current known path MTU. */
- __u32 pmtu;
-
/* Destination */
struct dst_entry *dst;
/* Source address. */
@@ -862,7 +877,22 @@
/* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
* the destination address every heartbeat interval.
*/
- int hb_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;
+
+ /* SACK delay timeout */
+ __u32 sackdelay;
+
+ /* Flags controling Heartbeat, SACK delay, and Path MTU Discovery. */
+ __u32 param_flags;
/* When was the last time (in jiffies) that we heard from this
* transport? We use this to pick new active and retran paths.
@@ -882,22 +912,11 @@
*/
int state;
- /* hb_allowed : The current heartbeat state of this destination,
- * : i.e. ALLOW-HB, NO-HEARTBEAT, etc.
- */
- int hb_allowed;
-
/* These are the error stats for this destination. */
/* Error count : The current error count for this destination. */
unsigned short error_count;
- /* This is the max_retrans value for the transport and will
- * be initialized to proto.max_retrans.path. This can be changed
- * using SCTP_SET_PEER_ADDR_PARAMS socket option.
- */
- int max_retrans;
-
/* Per : A timer used by each destination.
* Destination :
* Timer :
@@ -1502,6 +1521,28 @@
/* The largest timeout or RTO value to use in attempting an INIT */
__u16 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;
+
+ /* This is the max_retrans value for new transports in the
+ * association.
+ */
+ __u16 pathmaxrxt;
+
+ /* Association : The smallest PMTU discovered for all of the
+ * PMTU : peer's transport addresses.
+ */
+ __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];
struct timer_list timers[SCTP_NUM_TIMEOUT_TYPES];
@@ -1571,11 +1612,6 @@
*/
wait_queue_head_t wait;
- /* Association : The smallest PMTU discovered for all of the
- * PMTU : peer's transport addresses.
- */
- __u32 pmtu;
-
/* The message size at which SCTP fragmentation will occur. */
__u32 frag_point;