87     struct sctp_nets *net, uint16_t threshold)  in sctp_threshold_management()  argument
92 	if (net != NULL) {  in sctp_threshold_management()
93 		net->error_count++;  in sctp_threshold_management()
95 		    (void *)net, net->error_count,  in sctp_threshold_management()
96 		    net->failure_threshold);  in sctp_threshold_management()
97 		if (net->error_count > net->failure_threshold) {  in sctp_threshold_management()
99 			if (net->dest_state & SCTP_ADDR_REACHABLE) {  in sctp_threshold_management()
100 				net->dest_state &= ~SCTP_ADDR_REACHABLE;  in sctp_threshold_management()
101 				net->dest_state &= ~SCTP_ADDR_REQ_PRIMARY;  in sctp_threshold_management()
102 				net->dest_state &= ~SCTP_ADDR_PF;  in sctp_threshold_management()
105 				    (void *)net, SCTP_SO_NOT_LOCKED);  in sctp_threshold_management()
107 		} else if ((net->pf_threshold < net->failure_threshold) &&  in sctp_threshold_management()
108 		    (net->error_count > net->pf_threshold)) {  in sctp_threshold_management()
109 			if ((net->dest_state & SCTP_ADDR_PF) == 0) {  in sctp_threshold_management()
110 				net->dest_state |= SCTP_ADDR_PF;  in sctp_threshold_management()
111 				net->last_active = sctp_get_tick_count();  in sctp_threshold_management()
112 				sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_threshold_management()
114 				    inp, stcb, net,  in sctp_threshold_management()
116 				sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);  in sctp_threshold_management()
119 		if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) {  in sctp_threshold_management()
142 	    ((net == NULL) ? (uint32_t)0 : (uint32_t)net->dest_state));  in sctp_threshold_management()
166     struct sctp_nets *net,  in sctp_find_alternate_net()  argument
216 				if (mnet == net) {  in sctp_find_alternate_net()
278 				return (net);  in sctp_find_alternate_net()
326 	if ((net != NULL) && ((net->dest_state & SCTP_ADDR_BEING_DELETED) == 0)) {  in sctp_find_alternate_net()
327 		alt = TAILQ_NEXT(net, sctp_next);  in sctp_find_alternate_net()
353 		    (alt != net)) {  in sctp_find_alternate_net()
365 		if ((net != NULL) && ((net->dest_state & SCTP_ADDR_BEING_DELETED) == 0)) {  in sctp_find_alternate_net()
366 			alt = TAILQ_NEXT(net, sctp_next);  in sctp_find_alternate_net()
383 			    (alt != net)) {  in sctp_find_alternate_net()
399 		if ((net != NULL) && ((net->dest_state & SCTP_ADDR_BEING_DELETED) == 0)) {  in sctp_find_alternate_net()
400 			alt = net;  in sctp_find_alternate_net()
411     struct sctp_nets *net,  in sctp_backoff_on_timeout()  argument
415 	if (net->RTO == 0) {  in sctp_backoff_on_timeout()
416 		if (net->RTO_measured) {  in sctp_backoff_on_timeout()
417 			net->RTO = stcb->asoc.minrto;  in sctp_backoff_on_timeout()
419 			net->RTO = stcb->asoc.initial_rto;  in sctp_backoff_on_timeout()
422 	net->RTO <<= 1;  in sctp_backoff_on_timeout()
423 	if (net->RTO > stcb->asoc.maxrto) {  in sctp_backoff_on_timeout()
424 		net->RTO = stcb->asoc.maxrto;  in sctp_backoff_on_timeout()
429 		stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout(stcb, net);  in sctp_backoff_on_timeout()
482     struct sctp_nets *net,  in sctp_mark_all_for_resend()  argument
517 	cur_rto = (net->lastsa >> SCTP_RTT_SHIFT) + net->lastsv;  in sctp_mark_all_for_resend()
524 		sctp_log_fr(net->flight_size, 0, 0, SCTP_FR_CWND_REPORT);  in sctp_mark_all_for_resend()
525 		sctp_log_fr(net->flight_size, net->cwnd, stcb->asoc.total_flight, SCTP_FR_CWND_REPORT);  in sctp_mark_all_for_resend()
548 	orig_flight = net->flight_size;  in sctp_mark_all_for_resend()
551 	net->fast_retran_ip = 0;  in sctp_mark_all_for_resend()
577 		if ((chk->whoTo == net) && (chk->sent < SCTP_DATAGRAM_ACKED)) {  in sctp_mark_all_for_resend()
665 				net->marked_retrans++;  in sctp_mark_all_for_resend()
693 			if (alt != net) {  in sctp_mark_all_for_resend()
722 	if ((orig_flight - net->flight_size) != (orig_tf - stcb->asoc.total_flight)) {  in sctp_mark_all_for_resend()
749 		if ((chk->whoTo == net) &&  in sctp_mark_all_for_resend()
782 		    (void *)net);  in sctp_mark_all_for_resend()
814     struct sctp_nets *net)  in sctp_t3rxt_timer()  argument
826 			if (net == lnet) {  in sctp_t3rxt_timer()
835 	    (stcb->asoc.total_flight < net->mtu)) {  in sctp_t3rxt_timer()
844 		if (sctp_threshold_management(inp, stcb, net,  in sctp_t3rxt_timer()
849 			if (net != stcb->asoc.primary_destination) {  in sctp_t3rxt_timer()
855 				if (net->last_sent_time.tv_sec) {  in sctp_t3rxt_timer()
856 					ms_goneby = (uint32_t)(now.tv_sec - net->last_sent_time.tv_sec) * 1000;  in sctp_t3rxt_timer()
860 				if ((net->dest_state & SCTP_ADDR_PF) == 0) {  in sctp_t3rxt_timer()
861 					if ((ms_goneby > net->RTO) || (net->RTO == 0)) {  in sctp_t3rxt_timer()
867 						sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_t3rxt_timer()
886 		if (net->pf_threshold < net->failure_threshold) {  in sctp_t3rxt_timer()
887 			alt = sctp_find_alternate_net(stcb, net, 2);  in sctp_t3rxt_timer()
894 			alt = sctp_find_alternate_net(stcb, net, 1);  in sctp_t3rxt_timer()
901 			net->find_pseudo_cumack = 1;  in sctp_t3rxt_timer()
902 			net->find_rtx_pseudo_cumack = 1;  in sctp_t3rxt_timer()
905 		alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_t3rxt_timer()
910 	(void)sctp_mark_all_for_resend(stcb, net, alt, win_probe,  in sctp_t3rxt_timer()
916 	net->fast_retran_loss_recovery = 0;  in sctp_t3rxt_timer()
918 	    (net->flight_size == 0)) {  in sctp_t3rxt_timer()
919 		(*stcb->asoc.cc_functions.sctp_cwnd_new_transmission_begins) (stcb, net);  in sctp_t3rxt_timer()
929 	sctp_backoff_on_timeout(stcb, net, win_probe, num_mk, num_abandoned);  in sctp_t3rxt_timer()
930 	if (((net->dest_state & SCTP_ADDR_REACHABLE) == 0) ||  in sctp_t3rxt_timer()
931 	    (net->dest_state & SCTP_ADDR_PF)) {  in sctp_t3rxt_timer()
933 		sctp_move_chunks_from_net(stcb, net);  in sctp_t3rxt_timer()
939 		if (net->ro._s_addr != NULL) {  in sctp_t3rxt_timer()
940 			sctp_free_ifa(net->ro._s_addr);  in sctp_t3rxt_timer()
941 			net->ro._s_addr = NULL;  in sctp_t3rxt_timer()
943 		net->src_addr_selected = 0;  in sctp_t3rxt_timer()
946 		RO_NHFREE(&net->ro);  in sctp_t3rxt_timer()
949 		if ((stcb->asoc.primary_destination == net) && (alt != net)) {  in sctp_t3rxt_timer()
973 		sctp_timer_start(SCTP_TIMER_TYPE_SEND, inp, stcb, net);  in sctp_t3rxt_timer()
995 		sctp_log_cwnd(stcb, net, net->cwnd, SCTP_CWND_LOG_FROM_RTX);  in sctp_t3rxt_timer()
1003     struct sctp_nets *net)  in sctp_t1init_timer()  argument
1018 	if (sctp_threshold_management(inp, stcb, net,  in sctp_t1init_timer()
1025 	if (stcb->asoc.initial_init_rto_max < net->RTO) {  in sctp_t1init_timer()
1026 		net->RTO = stcb->asoc.initial_init_rto_max;  in sctp_t1init_timer()
1051     struct sctp_nets *net SCTP_UNUSED)  in sctp_cookie_timer()
1116 	struct sctp_nets *alt, *net;  in sctp_strreset_timer()  local
1127 	net = strrst->whoTo;  in sctp_strreset_timer()
1129 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_strreset_timer()
1137 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_strreset_timer()
1138 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_strreset_timer()
1144 		if ((chk->whoTo == net) &&  in sctp_strreset_timer()
1156 	if ((net->dest_state & SCTP_ADDR_REACHABLE) == 0) {  in sctp_strreset_timer()
1161 		sctp_move_chunks_from_net(stcb, net);  in sctp_strreset_timer()
1163 	sctp_free_remote_addr(net);  in sctp_strreset_timer()
1178     struct sctp_nets *net)  in sctp_asconf_timer()  argument
1186 		sctp_send_asconf(stcb, net, SCTP_ADDR_NOT_LOCKED);  in sctp_asconf_timer()
1197 		net = asconf->whoTo;  in sctp_asconf_timer()
1199 		if (sctp_threshold_management(inp, stcb, net,  in sctp_asconf_timer()
1220 		sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_asconf_timer()
1221 		alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_asconf_timer()
1229 			if ((chk->whoTo == net) &&  in sctp_asconf_timer()
1252 		if ((net->dest_state & SCTP_ADDR_REACHABLE) == 0) {  in sctp_asconf_timer()
1257 			sctp_move_chunks_from_net(stcb, net);  in sctp_asconf_timer()
1259 		sctp_free_remote_addr(net);  in sctp_asconf_timer()
1298     struct sctp_nets *net)  in sctp_shutdown_timer()  argument
1303 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_shutdown_timer()
1307 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_shutdown_timer()
1309 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_shutdown_timer()
1321     struct sctp_nets *net)  in sctp_shutdownack_timer()  argument
1326 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_shutdownack_timer()
1330 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_shutdownack_timer()
1332 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_shutdownack_timer()
1408     struct sctp_nets *net)  in sctp_heartbeat_timer()  argument
1412 	net_was_pf = (net->dest_state & SCTP_ADDR_PF) != 0;  in sctp_heartbeat_timer()
1413 	if (net->hb_responded == 0) {  in sctp_heartbeat_timer()
1414 		if (net->ro._s_addr != NULL) {  in sctp_heartbeat_timer()
1419 			sctp_free_ifa(net->ro._s_addr);  in sctp_heartbeat_timer()
1420 			net->ro._s_addr = NULL;  in sctp_heartbeat_timer()
1421 			net->src_addr_selected = 0;  in sctp_heartbeat_timer()
1423 		sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_heartbeat_timer()
1424 		if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_heartbeat_timer()
1430 	if (net->partial_bytes_acked > 0) {  in sctp_heartbeat_timer()
1431 		net->partial_bytes_acked = 0;  in sctp_heartbeat_timer()
1438 	if ((((net->dest_state & SCTP_ADDR_NOHB) == 0) ||  in sctp_heartbeat_timer()
1439 	    (net->dest_state & SCTP_ADDR_UNCONFIRMED)) &&  in sctp_heartbeat_timer()
1440 	    (net_was_pf || ((net->dest_state & SCTP_ADDR_PF) == 0))) {  in sctp_heartbeat_timer()
1447 		if ((net->last_sent_time.tv_sec > 0) ||  in sctp_heartbeat_timer()
1448 		    (net->last_sent_time.tv_usec > 0)) {  in sctp_heartbeat_timer()
1452 			timevalsub(&diff, &net->last_sent_time);  in sctp_heartbeat_timer()
1458 		if ((ms_gone_by >= net->heart_beat_delay) ||  in sctp_heartbeat_timer()
1459 		    (net->dest_state & SCTP_ADDR_UNCONFIRMED) ||  in sctp_heartbeat_timer()
1460 		    (net->dest_state & SCTP_ADDR_PF)) {  in sctp_heartbeat_timer()
1461 			sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_heartbeat_timer()
1470     struct sctp_nets *net)  in sctp_pathmtu_timer()  argument
1474 	next_mtu = sctp_get_next_mtu(net->mtu);  in sctp_pathmtu_timer()
1476 	if ((next_mtu > net->mtu) && (net->port == 0)) {  in sctp_pathmtu_timer()
1477 		if ((net->src_addr_selected == 0) ||  in sctp_pathmtu_timer()
1478 		    (net->ro._s_addr == NULL) ||  in sctp_pathmtu_timer()
1479 		    (net->ro._s_addr->localifa_flags & SCTP_BEING_DELETED)) {  in sctp_pathmtu_timer()
1480 			if ((net->ro._s_addr != NULL) && (net->ro._s_addr->localifa_flags & SCTP_BEING_DELETED)) {  in sctp_pathmtu_timer()
1481 				sctp_free_ifa(net->ro._s_addr);  in sctp_pathmtu_timer()
1482 				net->ro._s_addr = NULL;  in sctp_pathmtu_timer()
1483 				net->src_addr_selected = 0;  in sctp_pathmtu_timer()
1484 			} else if (net->ro._s_addr == NULL) {  in sctp_pathmtu_timer()
1486 				if (net->ro._l_addr.sa.sa_family == AF_INET6) {  in sctp_pathmtu_timer()
1487 					struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;  in sctp_pathmtu_timer()
1494 				net->ro._s_addr = sctp_source_address_selection(inp,  in sctp_pathmtu_timer()
1496 				    (sctp_route_t *)&net->ro,  in sctp_pathmtu_timer()
1497 				    net, 0, stcb->asoc.vrf_id);  in sctp_pathmtu_timer()
1499 				if (net->ro._l_addr.sa.sa_family == AF_INET6) {  in sctp_pathmtu_timer()
1500 					struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;  in sctp_pathmtu_timer()
1506 			if (net->ro._s_addr)  in sctp_pathmtu_timer()
1507 				net->src_addr_selected = 1;  in sctp_pathmtu_timer()
1509 		if (net->ro._s_addr) {  in sctp_pathmtu_timer()
1510 			mtu = SCTP_GATHER_MTU_FROM_ROUTE(net->ro._s_addr, &net->ro._s_addr.sa, net->ro.ro_nh);  in sctp_pathmtu_timer()
1512 			if (net->port) {  in sctp_pathmtu_timer()
1517 				net->mtu = next_mtu;  in sctp_pathmtu_timer()
1519 				net->mtu = mtu;  in sctp_pathmtu_timer()
1524 	sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);  in sctp_pathmtu_timer()
1566 					struct sctp_nets *net;  in sctp_autoclose_timer()  local
1575 						net = stcb->asoc.alternate;  in sctp_autoclose_timer()
1577 						net = stcb->asoc.primary_destination;  in sctp_autoclose_timer()
1579 					sctp_send_shutdown(stcb, net);  in sctp_autoclose_timer()
1581 					    stcb->sctp_ep, stcb, net);  in sctp_autoclose_timer()