1 files changed, 11 insertions, 7 deletions

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 0a474568b003..ff3017744711 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -231,6 +231,11 @@ extern struct sctp_globals {
         /* Flag to indicate whether computing and verifying checksum
          * is disabled. */
         int checksum_disable;
+
+        /* Threshold for rwnd update SACKS.  Receive buffer shifted this many
+         * bits is an indicator of when to send and window update SACK.
+         */
+        int rwnd_update_shift;
 } sctp_globals;
 
 #define sctp_rto_initial                (sctp_globals.rto_initial)
@@ -267,6 +272,7 @@ extern struct sctp_globals {
 #define sctp_prsctp_enable              (sctp_globals.prsctp_enable)
 #define sctp_auth_enable                (sctp_globals.auth_enable)
 #define sctp_checksum_disable           (sctp_globals.checksum_disable)
+#define sctp_rwnd_upd_shift             (sctp_globals.rwnd_update_shift)
 
 /* SCTP Socket type: UDP or TCP style. */
 typedef enum {
@@ -935,6 +941,8 @@ struct sctp_transport {
         /* Data that has been sent, but not acknowledged. */
         __u32 flight_size;
 
+        __u32 burst_limited;    /* Holds old cwnd when max.burst is applied */
+
         /* TSN marking the fast recovery exit point */
         __u32 fast_recovery_exit;
 
@@ -943,12 +951,6 @@ struct sctp_transport {
         /* Source address. */
         union sctp_addr saddr;
 
-        /* When was the last time(in jiffies) that a data packet was sent on
-         * this transport?  This is used to adjust the cwnd when the transport
-         * becomes inactive.
-         */
-        unsigned long last_time_used;
-
         /* Heartbeat interval: The endpoint sends out a Heartbeat chunk to
          * the destination address every heartbeat interval.
          */
@@ -987,7 +989,7 @@ struct sctp_transport {
         int init_sent_count;
 
         /* state       : The current state of this destination,
-         *             : i.e. SCTP_ACTIVE, SCTP_INACTIVE, SCTP_UNKOWN.
+         *             : i.e. SCTP_ACTIVE, SCTP_INACTIVE, SCTP_UNKNOWN.
          */
         int state;
 
@@ -1069,6 +1071,8 @@ void sctp_transport_put(struct sctp_transport *);
 void sctp_transport_update_rto(struct sctp_transport *, __u32);
 void sctp_transport_raise_cwnd(struct sctp_transport *, __u32, __u32);
 void sctp_transport_lower_cwnd(struct sctp_transport *, sctp_lower_cwnd_t);
+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);