Merge branch 'master' into for-next

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

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 16a10850ed39db57690a0a0d2bd16b7577b3bd75..04df5301df04dd11675640687276fea685d9d043 100644 (file)
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -804,10 +804,11 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc)
                                 gabs);
 
        /* Add the duplicate TSN information.  */
-       if (num_dup_tsns)
+       if (num_dup_tsns) {
+               aptr->stats.idupchunks += num_dup_tsns;
                sctp_addto_chunk(retval, sizeof(__u32) * num_dup_tsns,
                                 sctp_tsnmap_get_dups(map));
-
+       }
        /* Once we have a sack generated, check to see what our sack
         * generation is, if its 0, reset the transports to 0, and reset
         * the association generation to 1
@@ -1090,6 +1091,25 @@ nodata:
        return retval;
 }
 
+struct sctp_chunk *sctp_make_violation_max_retrans(
+       const struct sctp_association *asoc,
+       const struct sctp_chunk *chunk)
+{
+       struct sctp_chunk *retval;
+       static const char error[] = "Association exceeded its max_retans count";
+       size_t payload_len = sizeof(error) + sizeof(sctp_errhdr_t);
+
+       retval = sctp_make_abort(asoc, chunk, payload_len);
+       if (!retval)
+               goto nodata;
+
+       sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION, sizeof(error));
+       sctp_addto_chunk(retval, sizeof(error), error);
+
+nodata:
+       return retval;
+}
+
 /* Make a HEARTBEAT chunk.  */
 struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
                                  const struct sctp_transport *transport)