88     struct sctp_nets *net, uint16_t threshold)  in sctp_threshold_management()  argument
93 	if (net != NULL) {  in sctp_threshold_management()
94 		net->error_count++;  in sctp_threshold_management()
96 		    (void *)net, net->error_count,  in sctp_threshold_management()
97 		    net->failure_threshold);  in sctp_threshold_management()
98 		if (net->error_count > net->failure_threshold) {  in sctp_threshold_management()
100 			if (net->dest_state & SCTP_ADDR_REACHABLE) {  in sctp_threshold_management()
101 				net->dest_state &= ~SCTP_ADDR_REACHABLE;  in sctp_threshold_management()
102 				net->dest_state &= ~SCTP_ADDR_REQ_PRIMARY;  in sctp_threshold_management()
103 				net->dest_state &= ~SCTP_ADDR_PF;  in sctp_threshold_management()
106 				    (void *)net, SCTP_SO_NOT_LOCKED);  in sctp_threshold_management()
108 		} else if ((net->pf_threshold < net->failure_threshold) &&  in sctp_threshold_management()
109 		    (net->error_count > net->pf_threshold)) {  in sctp_threshold_management()
110 			if ((net->dest_state & SCTP_ADDR_PF) == 0) {  in sctp_threshold_management()
111 				net->dest_state |= SCTP_ADDR_PF;  in sctp_threshold_management()
112 				net->last_active = sctp_get_tick_count();  in sctp_threshold_management()
113 				sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_threshold_management()
115 				    inp, stcb, net,  in sctp_threshold_management()
117 				sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);  in sctp_threshold_management()
120 		if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) {  in sctp_threshold_management()
143 	    ((net == NULL) ? (uint32_t)0 : (uint32_t)net->dest_state));  in sctp_threshold_management()
167     struct sctp_nets *net,  in sctp_find_alternate_net()  argument
217 				if (mnet == net) {  in sctp_find_alternate_net()
279 				return (net);  in sctp_find_alternate_net()
327 	if ((net != NULL) && ((net->dest_state & SCTP_ADDR_BEING_DELETED) == 0)) {  in sctp_find_alternate_net()
328 		alt = TAILQ_NEXT(net, sctp_next);  in sctp_find_alternate_net()
354 		    (alt != net)) {  in sctp_find_alternate_net()
366 		if ((net != NULL) && ((net->dest_state & SCTP_ADDR_BEING_DELETED) == 0)) {  in sctp_find_alternate_net()
367 			alt = TAILQ_NEXT(net, sctp_next);  in sctp_find_alternate_net()
384 			    (alt != net)) {  in sctp_find_alternate_net()
400 		if ((net != NULL) && ((net->dest_state & SCTP_ADDR_BEING_DELETED) == 0)) {  in sctp_find_alternate_net()
401 			alt = net;  in sctp_find_alternate_net()
412     struct sctp_nets *net,  in sctp_backoff_on_timeout()  argument
416 	if (net->RTO == 0) {  in sctp_backoff_on_timeout()
417 		if (net->RTO_measured) {  in sctp_backoff_on_timeout()
418 			net->RTO = stcb->asoc.minrto;  in sctp_backoff_on_timeout()
420 			net->RTO = stcb->asoc.initial_rto;  in sctp_backoff_on_timeout()
423 	net->RTO <<= 1;  in sctp_backoff_on_timeout()
424 	if (net->RTO > stcb->asoc.maxrto) {  in sctp_backoff_on_timeout()
425 		net->RTO = stcb->asoc.maxrto;  in sctp_backoff_on_timeout()
430 		stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout(stcb, net);  in sctp_backoff_on_timeout()
483     struct sctp_nets *net,  in sctp_mark_all_for_resend()  argument
518 	cur_rto = (net->lastsa >> SCTP_RTT_SHIFT) + net->lastsv;  in sctp_mark_all_for_resend()
525 		sctp_log_fr(net->flight_size, 0, 0, SCTP_FR_CWND_REPORT);  in sctp_mark_all_for_resend()
526 		sctp_log_fr(net->flight_size, net->cwnd, stcb->asoc.total_flight, SCTP_FR_CWND_REPORT);  in sctp_mark_all_for_resend()
549 	orig_flight = net->flight_size;  in sctp_mark_all_for_resend()
552 	net->fast_retran_ip = 0;  in sctp_mark_all_for_resend()
578 		if ((chk->whoTo == net) && (chk->sent < SCTP_DATAGRAM_ACKED)) {  in sctp_mark_all_for_resend()
666 				net->marked_retrans++;  in sctp_mark_all_for_resend()
694 			if (alt != net) {  in sctp_mark_all_for_resend()
723 	if ((orig_flight - net->flight_size) != (orig_tf - stcb->asoc.total_flight)) {  in sctp_mark_all_for_resend()
750 		if ((chk->whoTo == net) &&  in sctp_mark_all_for_resend()
783 		    (void *)net);  in sctp_mark_all_for_resend()
815     struct sctp_nets *net)  in sctp_t3rxt_timer()  argument
827 			if (net == lnet) {  in sctp_t3rxt_timer()
836 	    (stcb->asoc.total_flight < net->mtu)) {  in sctp_t3rxt_timer()
845 		if (sctp_threshold_management(inp, stcb, net,  in sctp_t3rxt_timer()
850 			if (net != stcb->asoc.primary_destination) {  in sctp_t3rxt_timer()
856 				if (net->last_sent_time.tv_sec) {  in sctp_t3rxt_timer()
857 					ms_goneby = (uint32_t)(now.tv_sec - net->last_sent_time.tv_sec) * 1000;  in sctp_t3rxt_timer()
861 				if ((net->dest_state & SCTP_ADDR_PF) == 0) {  in sctp_t3rxt_timer()
862 					if ((ms_goneby > net->RTO) || (net->RTO == 0)) {  in sctp_t3rxt_timer()
868 						sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_t3rxt_timer()
887 		if (net->pf_threshold < net->failure_threshold) {  in sctp_t3rxt_timer()
888 			alt = sctp_find_alternate_net(stcb, net, 2);  in sctp_t3rxt_timer()
895 			alt = sctp_find_alternate_net(stcb, net, 1);  in sctp_t3rxt_timer()
902 			net->find_pseudo_cumack = 1;  in sctp_t3rxt_timer()
903 			net->find_rtx_pseudo_cumack = 1;  in sctp_t3rxt_timer()
906 		alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_t3rxt_timer()
911 	(void)sctp_mark_all_for_resend(stcb, net, alt, win_probe,  in sctp_t3rxt_timer()
917 	net->fast_retran_loss_recovery = 0;  in sctp_t3rxt_timer()
919 	    (net->flight_size == 0)) {  in sctp_t3rxt_timer()
920 		(*stcb->asoc.cc_functions.sctp_cwnd_new_transmission_begins) (stcb, net);  in sctp_t3rxt_timer()
930 	sctp_backoff_on_timeout(stcb, net, win_probe, num_mk, num_abandoned);  in sctp_t3rxt_timer()
931 	if (((net->dest_state & SCTP_ADDR_REACHABLE) == 0) ||  in sctp_t3rxt_timer()
932 	    (net->dest_state & SCTP_ADDR_PF)) {  in sctp_t3rxt_timer()
934 		sctp_move_chunks_from_net(stcb, net);  in sctp_t3rxt_timer()
940 		if (net->ro._s_addr != NULL) {  in sctp_t3rxt_timer()
941 			sctp_free_ifa(net->ro._s_addr);  in sctp_t3rxt_timer()
942 			net->ro._s_addr = NULL;  in sctp_t3rxt_timer()
944 		net->src_addr_selected = 0;  in sctp_t3rxt_timer()
947 		RO_NHFREE(&net->ro);  in sctp_t3rxt_timer()
950 		if ((stcb->asoc.primary_destination == net) && (alt != net)) {  in sctp_t3rxt_timer()
974 		sctp_timer_start(SCTP_TIMER_TYPE_SEND, inp, stcb, net);  in sctp_t3rxt_timer()
996 		sctp_log_cwnd(stcb, net, net->cwnd, SCTP_CWND_LOG_FROM_RTX);  in sctp_t3rxt_timer()
1004     struct sctp_nets *net)  in sctp_t1init_timer()  argument
1019 	if (sctp_threshold_management(inp, stcb, net,  in sctp_t1init_timer()
1026 	if (stcb->asoc.initial_init_rto_max < net->RTO) {  in sctp_t1init_timer()
1027 		net->RTO = stcb->asoc.initial_init_rto_max;  in sctp_t1init_timer()
1052     struct sctp_nets *net SCTP_UNUSED)  in sctp_cookie_timer()
1117 	struct sctp_nets *alt, *net;  in sctp_strreset_timer()  local
1128 	net = strrst->whoTo;  in sctp_strreset_timer()
1130 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_strreset_timer()
1138 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_strreset_timer()
1139 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_strreset_timer()
1145 		if ((chk->whoTo == net) &&  in sctp_strreset_timer()
1157 	if ((net->dest_state & SCTP_ADDR_REACHABLE) == 0) {  in sctp_strreset_timer()
1162 		sctp_move_chunks_from_net(stcb, net);  in sctp_strreset_timer()
1164 	sctp_free_remote_addr(net);  in sctp_strreset_timer()
1179     struct sctp_nets *net)  in sctp_asconf_timer()  argument
1187 		sctp_send_asconf(stcb, net, SCTP_ADDR_NOT_LOCKED);  in sctp_asconf_timer()
1198 		net = asconf->whoTo;  in sctp_asconf_timer()
1200 		if (sctp_threshold_management(inp, stcb, net,  in sctp_asconf_timer()
1221 		sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_asconf_timer()
1222 		alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_asconf_timer()
1230 			if ((chk->whoTo == net) &&  in sctp_asconf_timer()
1253 		if ((net->dest_state & SCTP_ADDR_REACHABLE) == 0) {  in sctp_asconf_timer()
1258 			sctp_move_chunks_from_net(stcb, net);  in sctp_asconf_timer()
1260 		sctp_free_remote_addr(net);  in sctp_asconf_timer()
1299     struct sctp_nets *net)  in sctp_shutdown_timer()  argument
1304 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_shutdown_timer()
1308 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_shutdown_timer()
1310 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_shutdown_timer()
1322     struct sctp_nets *net)  in sctp_shutdownack_timer()  argument
1327 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_shutdownack_timer()
1331 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_shutdownack_timer()
1333 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_shutdownack_timer()
1409     struct sctp_nets *net)  in sctp_heartbeat_timer()  argument
1413 	net_was_pf = (net->dest_state & SCTP_ADDR_PF) != 0;  in sctp_heartbeat_timer()
1414 	if (net->hb_responded == 0) {  in sctp_heartbeat_timer()
1415 		if (net->ro._s_addr != NULL) {  in sctp_heartbeat_timer()
1420 			sctp_free_ifa(net->ro._s_addr);  in sctp_heartbeat_timer()
1421 			net->ro._s_addr = NULL;  in sctp_heartbeat_timer()
1422 			net->src_addr_selected = 0;  in sctp_heartbeat_timer()
1424 		sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_heartbeat_timer()
1425 		if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_heartbeat_timer()
1431 	if (net->partial_bytes_acked > 0) {  in sctp_heartbeat_timer()
1432 		net->partial_bytes_acked = 0;  in sctp_heartbeat_timer()
1439 	if ((((net->dest_state & SCTP_ADDR_NOHB) == 0) ||  in sctp_heartbeat_timer()
1440 	    (net->dest_state & SCTP_ADDR_UNCONFIRMED)) &&  in sctp_heartbeat_timer()
1441 	    (net_was_pf || ((net->dest_state & SCTP_ADDR_PF) == 0))) {  in sctp_heartbeat_timer()
1448 		if ((net->last_sent_time.tv_sec > 0) ||  in sctp_heartbeat_timer()
1449 		    (net->last_sent_time.tv_usec > 0)) {  in sctp_heartbeat_timer()
1453 			timevalsub(&diff, &net->last_sent_time);  in sctp_heartbeat_timer()
1459 		if ((ms_gone_by >= net->heart_beat_delay) ||  in sctp_heartbeat_timer()
1460 		    (net->dest_state & SCTP_ADDR_UNCONFIRMED) ||  in sctp_heartbeat_timer()
1461 		    (net->dest_state & SCTP_ADDR_PF)) {  in sctp_heartbeat_timer()
1462 			sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_heartbeat_timer()
1471     struct sctp_nets *net)  in sctp_pathmtu_timer()  argument
1475 	next_mtu = sctp_get_next_mtu(net->mtu);  in sctp_pathmtu_timer()
1477 	if ((next_mtu > net->mtu) && (net->port == 0)) {  in sctp_pathmtu_timer()
1478 		if ((net->src_addr_selected == 0) ||  in sctp_pathmtu_timer()
1479 		    (net->ro._s_addr == NULL) ||  in sctp_pathmtu_timer()
1480 		    (net->ro._s_addr->localifa_flags & SCTP_BEING_DELETED)) {  in sctp_pathmtu_timer()
1481 			if ((net->ro._s_addr != NULL) && (net->ro._s_addr->localifa_flags & SCTP_BEING_DELETED)) {  in sctp_pathmtu_timer()
1482 				sctp_free_ifa(net->ro._s_addr);  in sctp_pathmtu_timer()
1483 				net->ro._s_addr = NULL;  in sctp_pathmtu_timer()
1484 				net->src_addr_selected = 0;  in sctp_pathmtu_timer()
1485 			} else if (net->ro._s_addr == NULL) {  in sctp_pathmtu_timer()
1487 				if (net->ro._l_addr.sa.sa_family == AF_INET6) {  in sctp_pathmtu_timer()
1488 					struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;  in sctp_pathmtu_timer()
1495 				net->ro._s_addr = sctp_source_address_selection(inp,  in sctp_pathmtu_timer()
1497 				    (sctp_route_t *)&net->ro,  in sctp_pathmtu_timer()
1498 				    net, 0, stcb->asoc.vrf_id);  in sctp_pathmtu_timer()
1500 				if (net->ro._l_addr.sa.sa_family == AF_INET6) {  in sctp_pathmtu_timer()
1501 					struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;  in sctp_pathmtu_timer()
1507 			if (net->ro._s_addr)  in sctp_pathmtu_timer()
1508 				net->src_addr_selected = 1;  in sctp_pathmtu_timer()
1510 		if (net->ro._s_addr) {  in sctp_pathmtu_timer()
1511 			mtu = SCTP_GATHER_MTU_FROM_ROUTE(net->ro._s_addr, &net->ro._s_addr.sa, net->ro.ro_nh);  in sctp_pathmtu_timer()
1513 			if (net->port) {  in sctp_pathmtu_timer()
1518 				net->mtu = next_mtu;  in sctp_pathmtu_timer()
1520 				net->mtu = mtu;  in sctp_pathmtu_timer()
1525 	sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);  in sctp_pathmtu_timer()
1567 					struct sctp_nets *net;  in sctp_autoclose_timer()  local
1576 						net = stcb->asoc.alternate;  in sctp_autoclose_timer()
1578 						net = stcb->asoc.primary_destination;  in sctp_autoclose_timer()
1580 					sctp_send_shutdown(stcb, net);  in sctp_autoclose_timer()
1582 					    stcb->sctp_ep, stcb, net);  in sctp_autoclose_timer()