svn commit: r283727 - stable/10/sys/netinet

[Michael Tuexen]

Author: tuexen
Date: Fri May 29 13:02:00 2015
New Revision: 283727
URL: https://svnweb.freebsd.org/changeset/base/283727

Log:
  MFC r279886:
  
  Fix the adaptation of the path state when thresholds are changed
  using the SCTP_PEER_ADDR_THLDS socket option.

Modified:
  stable/10/sys/netinet/sctp_usrreq.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/netinet/sctp_usrreq.c
==============================================================================
--- stable/10/sys/netinet/sctp_usrreq.c	Fri May 29 12:59:18 2015	(r283726)
+++ stable/10/sys/netinet/sctp_usrreq.c	Fri May 29 13:02:00 2015	(r283727)
@@ -6189,14 +6189,16 @@ sctp_setopt(struct socket *so, int optna
 			}
 			if (stcb != NULL) {
 				if (net != NULL) {
+					net->failure_threshold = thlds->spt_pathmaxrxt;
+					net->pf_threshold = thlds->spt_pathpfthld;
 					if (net->dest_state & SCTP_ADDR_PF) {
-						if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
-						    (net->failure_threshold <= thlds->spt_pathpfthld)) {
+						if ((net->error_count > net->failure_threshold) ||
+						    (net->error_count <= net->pf_threshold)) {
 							net->dest_state &= ~SCTP_ADDR_PF;
 						}
 					} else {
-						if ((net->failure_threshold > thlds->spt_pathpfthld) &&
-						    (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
+						if ((net->error_count > net->pf_threshold) &&
+						    (net->error_count <= net->failure_threshold)) {
 							net->dest_state |= SCTP_ADDR_PF;
 							sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
 							sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
@@ -6204,28 +6206,28 @@ sctp_setopt(struct socket *so, int optna
 						}
 					}
 					if (net->dest_state & SCTP_ADDR_REACHABLE) {
-						if (net->failure_threshold > thlds->spt_pathmaxrxt) {
+						if (net->error_count > net->failure_threshold) {
 							net->dest_state &= ~SCTP_ADDR_REACHABLE;
 							sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
 						}
 					} else {
-						if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
+						if (net->error_count <= net->failure_threshold) {
 							net->dest_state |= SCTP_ADDR_REACHABLE;
 							sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
 						}
 					}
-					net->failure_threshold = thlds->spt_pathmaxrxt;
-					net->pf_threshold = thlds->spt_pathpfthld;
 				} else {
 					TAILQ_FOREACH(net, &stcb->asoc.nets, sctp_next) {
+						net->failure_threshold = thlds->spt_pathmaxrxt;
+						net->pf_threshold = thlds->spt_pathpfthld;
 						if (net->dest_state & SCTP_ADDR_PF) {
-							if ((net->failure_threshold > thlds->spt_pathmaxrxt) ||
-							    (net->failure_threshold <= thlds->spt_pathpfthld)) {
+							if ((net->error_count > net->failure_threshold) ||
+							    (net->error_count <= net->pf_threshold)) {
 								net->dest_state &= ~SCTP_ADDR_PF;
 							}
 						} else {
-							if ((net->failure_threshold > thlds->spt_pathpfthld) &&
-							    (net->failure_threshold <= thlds->spt_pathmaxrxt)) {
+							if ((net->error_count > net->pf_threshold) &&
+							    (net->error_count <= net->failure_threshold)) {
 								net->dest_state |= SCTP_ADDR_PF;
 								sctp_send_hb(stcb, net, SCTP_SO_LOCKED);
 								sctp_timer_stop(SCTP_TIMER_TYPE_HEARTBEAT, stcb->sctp_ep, stcb, net, SCTP_FROM_SCTP_TIMER + SCTP_LOC_3);
@@ -6233,18 +6235,16 @@ sctp_setopt(struct socket *so, int optna
 							}
 						}
 						if (net->dest_state & SCTP_ADDR_REACHABLE) {
-							if (net->failure_threshold > thlds->spt_pathmaxrxt) {
+							if (net->error_count > net->failure_threshold) {
 								net->dest_state &= ~SCTP_ADDR_REACHABLE;
 								sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_DOWN, stcb, 0, net, SCTP_SO_LOCKED);
 							}
 						} else {
-							if (net->failure_threshold <= thlds->spt_pathmaxrxt) {
+							if (net->error_count <= net->failure_threshold) {
 								net->dest_state |= SCTP_ADDR_REACHABLE;
 								sctp_ulp_notify(SCTP_NOTIFY_INTERFACE_UP, stcb, 0, net, SCTP_SO_LOCKED);
 							}
 						}
-						net->failure_threshold = thlds->spt_pathmaxrxt;
-						net->pf_threshold = thlds->spt_pathpfthld;
 					}
 					stcb->asoc.def_net_failure = thlds->spt_pathmaxrxt;
 					stcb->asoc.def_net_pf_threshold = thlds->spt_pathpfthld;