Many bug fixes (from the IETF hack-fest):

- PR-SCTP had major issues when skipping through a multi-part message.
  o Did not look at socket buffer.
  o Did not properly handle the reassmebly queue.
  o The MARKED segments could interfere and un-skip a chunk causing
    a problem with the proper FWD-TSN.
  o No FR of FWD-TSN's was being done.
- NR-Sack code was basically disabled. It needed fixes that
  never got into the real code.
- CMT code had issues when the two paths were NOT the same b/w. We
  found a few small bugs, but also the critcal one here was not
  dividing the rwnd amongst the paths.

Obtained from:	Michael Tuexen and myself at the IETF hack-fest ;-)

1 files changed, 4 insertions, 2 deletions

diff --git a/sys/netinet/sctp_usrreq.c b/sys/netinet/sctp_usrreq.c
index b3bfea5..c80cca0 100644
--- a/sys/netinet/sctp_usrreq.c
+++ b/sys/netinet/sctp_usrreq.c
@@ -126,6 +126,10 @@ sctp_pathmtu_adjustment(struct sctp_inpcb *inp,
 			 * since we sent to big of chunk
 			 */
 			chk->flags |= CHUNK_FLAGS_FRAGMENT_OK;
+			if (chk->sent < SCTP_DATAGRAM_RESEND) {
+				sctp_flight_size_decrease(chk);
+				sctp_total_flight_decrease(stcb, chk);
+			}
 			if (chk->sent != SCTP_DATAGRAM_RESEND) {
 				sctp_ucount_incr(stcb->asoc.sent_queue_retran_cnt);
 			}
@@ -140,8 +144,6 @@ sctp_pathmtu_adjustment(struct sctp_inpcb *inp,
 			}
 			/* Clear any time so NO RTT is being done */
 			chk->do_rtt = 0;
-			sctp_flight_size_decrease(chk);
-			sctp_total_flight_decrease(stcb, chk);
 		}
 	}
 }