1 files changed, 21 insertions, 3 deletions

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index fecdf31816f2..fc5e60016e37 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -161,6 +161,12 @@ extern struct sctp_globals {
         int max_retrans_path;
         int max_retrans_init;
 
+        /* Potentially-Failed.Max.Retrans sysctl value
+         * taken from:
+         * http://tools.ietf.org/html/draft-nishida-tsvwg-sctp-failover-05
+         */
+        int pf_retrans;
+
         /*
          * Policy for preforming sctp/socket accounting
          * 0   - do socket level accounting, all assocs share sk_sndbuf
@@ -258,6 +264,7 @@ extern struct sctp_globals {
 #define sctp_sndbuf_policy              (sctp_globals.sndbuf_policy)
 #define sctp_rcvbuf_policy              (sctp_globals.rcvbuf_policy)
 #define sctp_max_retrans_path           (sctp_globals.max_retrans_path)
+#define sctp_pf_retrans                 (sctp_globals.pf_retrans)
 #define sctp_max_retrans_init           (sctp_globals.max_retrans_init)
 #define sctp_sack_timeout               (sctp_globals.sack_timeout)
 #define sctp_hb_interval                (sctp_globals.hb_interval)
@@ -990,10 +997,15 @@ struct sctp_transport {
 
         /* 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.
+         * using the SCTP_SET_PEER_ADDR_PARAMS socket option.
          */
         __u16 pathmaxrxt;
 
+        /* This is the partially failed retrans value for the transport
+         * and will be initialized from the assocs value.  This can be changed
+         * using the SCTP_PEER_ADDR_THLDS socket option
+         */
+        int pf_retrans;
         /* PMTU       : The current known path MTU.  */
         __u32 pathmtu;
 
@@ -1091,7 +1103,7 @@ void sctp_transport_burst_limited(struct sctp_transport *);
 void sctp_transport_burst_reset(struct sctp_transport *);
 unsigned long sctp_transport_timeout(struct sctp_transport *);
 void sctp_transport_reset(struct sctp_transport *);
-void sctp_transport_update_pmtu(struct sctp_transport *, u32);
+void sctp_transport_update_pmtu(struct sock *, struct sctp_transport *, u32);
 void sctp_transport_immediate_rtx(struct sctp_transport *);
 
 
@@ -1664,6 +1676,12 @@ struct sctp_association {
          */
         int max_retrans;
 
+        /* This is the partially failed retrans value for the transport
+         * and will be initialized from the assocs value.  This can be
+         * changed using the SCTP_PEER_ADDR_THLDS socket option
+         */
+        int pf_retrans;
+
         /* Maximum number of times the endpoint will retransmit INIT  */
         __u16 max_init_attempts;
 
@@ -2003,7 +2021,7 @@ void sctp_assoc_update(struct sctp_association *old,
 
 __u32 sctp_association_get_next_tsn(struct sctp_association *);
 
-void sctp_assoc_sync_pmtu(struct sctp_association *);
+void sctp_assoc_sync_pmtu(struct sock *, struct sctp_association *);
 void sctp_assoc_rwnd_increase(struct sctp_association *, unsigned int);
 void sctp_assoc_rwnd_decrease(struct sctp_association *, unsigned int);
 void sctp_assoc_set_primary(struct sctp_association *,