1 files changed, 13 insertions, 1 deletions

diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 6ee76c804893..d992ca3145fe 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1653,6 +1653,17 @@ struct sctp_association {
         /* This is the last advertised value of rwnd over a SACK chunk. */
         __u32 a_rwnd;
 
+        /* Number of bytes by which the rwnd has slopped.  The rwnd is allowed
+         * to slop over a maximum of the association's frag_point.
+         */
+        __u32 rwnd_over;
+
+        /* Keeps treack of rwnd pressure.  This happens when we have
+         * a window, but not recevie buffer (i.e small packets).  This one
+         * is releases slowly (1 PMTU at a time ).
+         */
+        __u32 rwnd_press;
+
         /* This is the sndbuf size in use for the association.
          * This corresponds to the sndbuf size for the association,
          * as specified in the sk->sndbuf.
@@ -1881,7 +1892,8 @@ void sctp_assoc_update(struct sctp_association *old,
 __u32 sctp_association_get_next_tsn(struct sctp_association *);
 
 void sctp_assoc_sync_pmtu(struct sock *, struct sctp_association *);
-void sctp_assoc_rwnd_update(struct sctp_association *, bool);
+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 *,
                             struct sctp_transport *);
 void sctp_assoc_del_nonprimary_peers(struct sctp_association *,