[SCTP]: Handle the wildcard ADD-IP Address parameter

[firefly-linux-kernel-4.4.55.git] / net / sctp / associola.c

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 33ae9b01131e94d1b9797203103a69463eb069eb..61bebb9b96e678bdf2dc8863245d77735d78779d 100644 (file)
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -730,6 +730,23 @@ struct sctp_transport *sctp_assoc_lookup_paddr(
        return NULL;
 }
 
+/* Remove all transports except a give one */
+void sctp_assoc_del_nonprimary_peers(struct sctp_association *asoc,
+                                    struct sctp_transport *primary)
+{
+       struct sctp_transport   *temp;
+       struct sctp_transport   *t;
+
+       list_for_each_entry_safe(t, temp, &asoc->peer.transport_addr_list,
+                                transports) {
+               /* if the current transport is not the primary one, delete it */
+               if (t != primary)
+                       sctp_assoc_rm_peer(asoc, t);
+       }
+
+       return;
+}
+
 /* Engage in transport control operations.
  * Mark the transport up or down and send a notification to the user.
  * Select and update the new active and retran paths.