[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>

1 files changed, 4 insertions, 16 deletions

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 475bfb4972d9..557a7d90b92a 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -900,7 +900,7 @@ sctp_disposition_t sctp_sf_sendbeat_8_3(const struct sctp_endpoint *ep,
          * HEARTBEAT is sent (see Section 8.3).
          */
 
-        if (transport->hb_allowed) {
+        if (transport->param_flags & SPP_HB_ENABLE) {
                 if (SCTP_DISPOSITION_NOMEM ==
                                 sctp_sf_heartbeat(ep, asoc, type, arg,
                                                   commands))
@@ -1051,7 +1051,7 @@ sctp_disposition_t sctp_sf_backbeat_8_3(const struct sctp_endpoint *ep,
                 return SCTP_DISPOSITION_DISCARD;
         }
 
-        max_interval = link->hb_interval + link->rto;
+        max_interval = link->hbinterval + link->rto;
 
         /* Check if the timestamp looks valid.  */
         if (time_after(hbinfo->sent_at, jiffies) ||
@@ -2691,14 +2691,9 @@ sctp_disposition_t sctp_sf_eat_data_6_2(const struct sctp_endpoint *ep,
          * document allow. However, an SCTP transmitter MUST NOT be
          * more aggressive than the following algorithms allow.
          */
-        if (chunk->end_of_packet) {
+        if (chunk->end_of_packet)
                 sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, SCTP_NOFORCE());
 
-                /* Start the SACK timer.  */
-                sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
-                                SCTP_TO(SCTP_EVENT_TIMEOUT_SACK));
-        }
-
         return SCTP_DISPOSITION_CONSUME;
 
 discard_force:
@@ -2721,13 +2716,9 @@ discard_force:
         return SCTP_DISPOSITION_DISCARD;
 
 discard_noforce:
-        if (chunk->end_of_packet) {
+        if (chunk->end_of_packet)
                 sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, SCTP_NOFORCE());
 
-                /* Start the SACK timer.  */
-                sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
-                                SCTP_TO(SCTP_EVENT_TIMEOUT_SACK));
-        }
         return SCTP_DISPOSITION_DISCARD;
 consume:
         return SCTP_DISPOSITION_CONSUME;
@@ -3442,9 +3433,6 @@ sctp_disposition_t sctp_sf_eat_fwd_tsn(const struct sctp_endpoint *ep,
          * send another. 
          */
         sctp_add_cmd_sf(commands, SCTP_CMD_GEN_SACK, SCTP_NOFORCE());
-        /* Start the SACK timer.  */
-        sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART,
-                        SCTP_TO(SCTP_EVENT_TIMEOUT_SACK));
 
         return SCTP_DISPOSITION_CONSUME;