Get delayed SACK working again.

MFC after: 3 days.
2010-04-19 14:15:58 +00:00 · 2010-04-19 14:15:58 +00:00 · ea377e0111
commit ea377e0111
parent a30dd37469
1 changed files with 4 additions and 0 deletions
--- a/sys/netinet/sctp_indata.c
+++ b/sys/netinet/sctp_indata.c
@ -2123,6 +2123,10 @@ sctp_process_a_data_chunk(struct sctp_tcb *stcb, struct sctp_association *asoc,
 		}
 	}
 finish_express_del:
+	if (tsn == (asoc->cumulative_tsn + 1)) {
+		/* Update cum-ack */
+		asoc->cumulative_tsn = tsn;
+	}
 	if (last_chunk) {
 		*m = NULL;
 	}