/* If it is data, queue it up, otherwise, send it
* immediately.
*/
- if (SCTP_CID_DATA == chunk->chunk_hdr->type) {
+ if (sctp_chunk_is_data(chunk)) {
/* Is it OK to queue data chunks? */
/* From 9. Termination of Association
*
if (fast_rtx && !chunk->fast_retransmit)
continue;
+redo:
/* Attempt to append this chunk to the packet. */
status = sctp_packet_append_chunk(pkt, chunk);
switch (status) {
case SCTP_XMIT_PMTU_FULL:
+ if (!pkt->has_data && !pkt->has_cookie_echo) {
+ /* If this packet did not contain DATA then
+ * retransmission did not happen, so do it
+ * again. We'll ignore the error here since
+ * control chunks are already freed so there
+ * is nothing we can do.
+ */
+ sctp_packet_transmit(pkt);
+ goto redo;
+ }
+
/* Send this packet. */
error = sctp_packet_transmit(pkt);
if (status != SCTP_XMIT_OK) {
/* put the chunk back */
list_add(&chunk->list, &q->control_chunk_list);
+ } else if (chunk->chunk_hdr->type == SCTP_CID_FWD_TSN) {
+ /* PR-SCTP C5) If a FORWARD TSN is sent, the
+ * sender MUST assure that at least one T3-rtx
+ * timer is running.
+ */
+ sctp_transport_reset_timers(transport, 0);
}
break;