svn commit: r368176 - stable/12/sys/netinet

[Michael Tuexen]

Author: tuexen
Date: Mon Nov 30 09:15:30 2020
New Revision: 368176
URL: https://svnweb.freebsd.org/changeset/base/368176

Log:
  MFC r366489:
  
  Reset delayed SACK state when restarting an SCTP association.

Modified:
  stable/12/sys/netinet/sctp_input.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/netinet/sctp_input.c
==============================================================================
--- stable/12/sys/netinet/sctp_input.c	Mon Nov 30 09:14:01 2020	(r368175)
+++ stable/12/sys/netinet/sctp_input.c	Mon Nov 30 09:15:30 2020	(r368176)
@@ -1837,17 +1837,14 @@ sctp_process_cookie_existing(struct mbuf *m, int iphle
 			/* move to OPEN state, if not in SHUTDOWN_SENT */
 			SCTP_SET_STATE(stcb, SCTP_STATE_OPEN);
 		}
-		asoc->pre_open_streams =
-		    ntohs(initack_cp->init.num_outbound_streams);
+		asoc->pre_open_streams = ntohs(initack_cp->init.num_outbound_streams);
 		asoc->init_seq_number = ntohl(initack_cp->init.initial_tsn);
 		asoc->sending_seq = asoc->asconf_seq_out = asoc->str_reset_seq_out = asoc->init_seq_number;
 		asoc->asconf_seq_out_acked = asoc->asconf_seq_out - 1;
-
 		asoc->asconf_seq_in = asoc->last_acked_seq = asoc->init_seq_number - 1;
-
 		asoc->str_reset_seq_in = asoc->init_seq_number;
-
 		asoc->advanced_peer_ack_point = asoc->last_acked_seq;
+		asoc->send_sack = 1;
 		if (asoc->mapping_array) {
 			memset(asoc->mapping_array, 0,
 			    asoc->mapping_array_size);