92     struct sctp_nets *net, uint16_t threshold)  in sctp_threshold_management()  argument
94 	if (net) {  in sctp_threshold_management()
95 		net->error_count++;  in sctp_threshold_management()
97 		    (void *)net, net->error_count,  in sctp_threshold_management()
98 		    net->failure_threshold);  in sctp_threshold_management()
99 		if (net->error_count > net->failure_threshold) {  in sctp_threshold_management()
101 			if (net->dest_state & SCTP_ADDR_REACHABLE) {  in sctp_threshold_management()
102 				net->dest_state &= ~SCTP_ADDR_REACHABLE;  in sctp_threshold_management()
103 				net->dest_state &= ~SCTP_ADDR_REQ_PRIMARY;  in sctp_threshold_management()
104 				net->dest_state &= ~SCTP_ADDR_PF;  in sctp_threshold_management()
107 				    (void *)net, SCTP_SO_NOT_LOCKED);  in sctp_threshold_management()
109 		} else if ((net->pf_threshold < net->failure_threshold) &&  in sctp_threshold_management()
110 		    (net->error_count > net->pf_threshold)) {  in sctp_threshold_management()
111 			if (!(net->dest_state & SCTP_ADDR_PF)) {  in sctp_threshold_management()
112 				net->dest_state |= SCTP_ADDR_PF;  in sctp_threshold_management()
113 				net->last_active = sctp_get_tick_count();  in sctp_threshold_management()
114 				sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_threshold_management()
116 				    inp, stcb, net,  in sctp_threshold_management()
118 				sctp_timer_start(SCTP_TIMER_TYPE_HEARTBEAT, inp, stcb, net);  in sctp_threshold_management()
125 	if (net) {  in sctp_threshold_management()
126 		if ((net->dest_state & SCTP_ADDR_UNCONFIRMED) == 0) {  in sctp_threshold_management()
149 	    ((net == NULL) ? (uint32_t)0 : (uint32_t)net->dest_state));  in sctp_threshold_management()
173     struct sctp_nets *net,  in sctp_find_alternate_net()  argument
223 				if (mnet == net) {  in sctp_find_alternate_net()
285 				return (net);  in sctp_find_alternate_net()
332 	mnet = net;  in sctp_find_alternate_net()
373 		mnet = net;  in sctp_find_alternate_net()
390 			    (alt != net)) {  in sctp_find_alternate_net()
398 		return (net);  in sctp_find_alternate_net()
405     struct sctp_nets *net,  in sctp_backoff_on_timeout()  argument
409 	if (net->RTO == 0) {  in sctp_backoff_on_timeout()
410 		if (net->RTO_measured) {  in sctp_backoff_on_timeout()
411 			net->RTO = stcb->asoc.minrto;  in sctp_backoff_on_timeout()
413 			net->RTO = stcb->asoc.initial_rto;  in sctp_backoff_on_timeout()
416 	net->RTO <<= 1;  in sctp_backoff_on_timeout()
417 	if (net->RTO > stcb->asoc.maxrto) {  in sctp_backoff_on_timeout()
418 		net->RTO = stcb->asoc.maxrto;  in sctp_backoff_on_timeout()
423 		stcb->asoc.cc_functions.sctp_cwnd_update_after_timeout(stcb, net);  in sctp_backoff_on_timeout()
476     struct sctp_nets *net,  in sctp_mark_all_for_resend()  argument
510 	cur_rto = (net->lastsa >> SCTP_RTT_SHIFT) + net->lastsv;  in sctp_mark_all_for_resend()
517 		sctp_log_fr(net->flight_size, 0, 0, SCTP_FR_CWND_REPORT);  in sctp_mark_all_for_resend()
518 		sctp_log_fr(net->flight_size, net->cwnd, stcb->asoc.total_flight, SCTP_FR_CWND_REPORT);  in sctp_mark_all_for_resend()
541 	orig_flight = net->flight_size;  in sctp_mark_all_for_resend()
544 	net->fast_retran_ip = 0;  in sctp_mark_all_for_resend()
570 		if ((chk->whoTo == net) && (chk->sent < SCTP_DATAGRAM_ACKED)) {  in sctp_mark_all_for_resend()
658 				net->marked_retrans++;  in sctp_mark_all_for_resend()
686 			if (alt != net) {  in sctp_mark_all_for_resend()
715 	if ((orig_flight - net->flight_size) != (orig_tf - stcb->asoc.total_flight)) {  in sctp_mark_all_for_resend()
742 		if ((chk->whoTo == net) &&  in sctp_mark_all_for_resend()
775 		    (void *)net);  in sctp_mark_all_for_resend()
808     struct sctp_nets *net)  in sctp_t3rxt_timer()  argument
820 			if (net == lnet) {  in sctp_t3rxt_timer()
829 	    (stcb->asoc.total_flight < net->mtu)) {  in sctp_t3rxt_timer()
838 		if (sctp_threshold_management(inp, stcb, net,  in sctp_t3rxt_timer()
843 			if (net != stcb->asoc.primary_destination) {  in sctp_t3rxt_timer()
849 				if (net->last_sent_time.tv_sec) {  in sctp_t3rxt_timer()
850 					ms_goneby = (now.tv_sec - net->last_sent_time.tv_sec) * 1000;  in sctp_t3rxt_timer()
854 				if ((net->dest_state & SCTP_ADDR_PF) == 0) {  in sctp_t3rxt_timer()
855 					if ((ms_goneby > net->RTO) || (net->RTO == 0)) {  in sctp_t3rxt_timer()
861 						sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_t3rxt_timer()
880 		if (net->pf_threshold < net->failure_threshold) {  in sctp_t3rxt_timer()
881 			alt = sctp_find_alternate_net(stcb, net, 2);  in sctp_t3rxt_timer()
888 			alt = sctp_find_alternate_net(stcb, net, 1);  in sctp_t3rxt_timer()
895 			net->find_pseudo_cumack = 1;  in sctp_t3rxt_timer()
896 			net->find_rtx_pseudo_cumack = 1;  in sctp_t3rxt_timer()
899 		alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_t3rxt_timer()
904 	(void)sctp_mark_all_for_resend(stcb, net, alt, win_probe,  in sctp_t3rxt_timer()
910 	net->fast_retran_loss_recovery = 0;  in sctp_t3rxt_timer()
912 	    (net->flight_size == 0)) {  in sctp_t3rxt_timer()
913 		(*stcb->asoc.cc_functions.sctp_cwnd_new_transmission_begins) (stcb, net);  in sctp_t3rxt_timer()
923 	sctp_backoff_on_timeout(stcb, net, win_probe, num_mk, num_abandoned);  in sctp_t3rxt_timer()
924 	if ((!(net->dest_state & SCTP_ADDR_REACHABLE)) ||  in sctp_t3rxt_timer()
925 	    (net->dest_state & SCTP_ADDR_PF)) {  in sctp_t3rxt_timer()
927 		sctp_move_chunks_from_net(stcb, net);  in sctp_t3rxt_timer()
933 		if (net->ro._s_addr) {  in sctp_t3rxt_timer()
934 			sctp_free_ifa(net->ro._s_addr);  in sctp_t3rxt_timer()
935 			net->ro._s_addr = NULL;  in sctp_t3rxt_timer()
937 		net->src_addr_selected = 0;  in sctp_t3rxt_timer()
940 		if (net->ro.ro_rt) {  in sctp_t3rxt_timer()
941 			RTFREE(net->ro.ro_rt);  in sctp_t3rxt_timer()
942 			net->ro.ro_rt = NULL;  in sctp_t3rxt_timer()
946 		if ((stcb->asoc.primary_destination == net) && (alt != net)) {  in sctp_t3rxt_timer()
970 		sctp_timer_start(SCTP_TIMER_TYPE_SEND, inp, stcb, net);  in sctp_t3rxt_timer()
987 		sctp_log_cwnd(stcb, net, net->cwnd, SCTP_CWND_LOG_FROM_RTX);  in sctp_t3rxt_timer()
995     struct sctp_nets *net)  in sctp_t1init_timer()  argument
1010 	if (sctp_threshold_management(inp, stcb, net,  in sctp_t1init_timer()
1017 	if (stcb->asoc.initial_init_rto_max < net->RTO) {  in sctp_t1init_timer()
1018 		net->RTO = stcb->asoc.initial_init_rto_max;  in sctp_t1init_timer()
1043     struct sctp_nets *net SCTP_UNUSED)  in sctp_cookie_timer()
1107     struct sctp_nets *net)  in sctp_strreset_timer()  argument
1138 		if ((chk->whoTo == net) &&  in sctp_strreset_timer()
1150 	if (!(net->dest_state & SCTP_ADDR_REACHABLE)) {  in sctp_strreset_timer()
1155 		sctp_move_chunks_from_net(stcb, net);  in sctp_strreset_timer()
1170     struct sctp_nets *net)  in sctp_asconf_timer()  argument
1178 		sctp_send_asconf(stcb, net, SCTP_ADDR_NOT_LOCKED);  in sctp_asconf_timer()
1204 			sctp_asconf_cleanup(stcb, net);  in sctp_asconf_timer()
1221 			if ((chk->whoTo == net) &&  in sctp_asconf_timer()
1244 		if (!(net->dest_state & SCTP_ADDR_REACHABLE)) {  in sctp_asconf_timer()
1249 			sctp_move_chunks_from_net(stcb, net);  in sctp_asconf_timer()
1266     struct sctp_nets *net SCTP_UNUSED)  in sctp_delete_prim_timer()
1289     struct sctp_nets *net)  in sctp_shutdown_timer()  argument
1294 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_shutdown_timer()
1298 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_shutdown_timer()
1300 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_shutdown_timer()
1312     struct sctp_nets *net)  in sctp_shutdownack_timer()  argument
1317 	if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_shutdownack_timer()
1321 	sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_shutdownack_timer()
1323 	alt = sctp_find_alternate_net(stcb, net, 0);  in sctp_shutdownack_timer()
1400     struct sctp_nets *net)  in sctp_heartbeat_timer()  argument
1404 	if (net->dest_state & SCTP_ADDR_PF) {  in sctp_heartbeat_timer()
1409 	if (net->hb_responded == 0) {  in sctp_heartbeat_timer()
1410 		if (net->ro._s_addr) {  in sctp_heartbeat_timer()
1415 			sctp_free_ifa(net->ro._s_addr);  in sctp_heartbeat_timer()
1416 			net->ro._s_addr = NULL;  in sctp_heartbeat_timer()
1417 			net->src_addr_selected = 0;  in sctp_heartbeat_timer()
1419 		sctp_backoff_on_timeout(stcb, net, 1, 0, 0);  in sctp_heartbeat_timer()
1420 		if (sctp_threshold_management(inp, stcb, net, stcb->asoc.max_send_times)) {  in sctp_heartbeat_timer()
1426 	if (net->partial_bytes_acked) {  in sctp_heartbeat_timer()
1427 		net->partial_bytes_acked = 0;  in sctp_heartbeat_timer()
1434 	if (!(net->dest_state & SCTP_ADDR_NOHB) &&  in sctp_heartbeat_timer()
1435 	    !((net_was_pf == 0) && (net->dest_state & SCTP_ADDR_PF))) {  in sctp_heartbeat_timer()
1442 		if ((net->last_sent_time.tv_sec > 0) ||  in sctp_heartbeat_timer()
1443 		    (net->last_sent_time.tv_usec > 0)) {  in sctp_heartbeat_timer()
1447 			timevalsub(&diff, &net->last_sent_time);  in sctp_heartbeat_timer()
1453 		if ((ms_gone_by >= net->heart_beat_delay) ||  in sctp_heartbeat_timer()
1454 		    (net->dest_state & SCTP_ADDR_PF)) {  in sctp_heartbeat_timer()
1455 			sctp_send_hb(stcb, net, SCTP_SO_NOT_LOCKED);  in sctp_heartbeat_timer()
1464     struct sctp_nets *net)  in sctp_pathmtu_timer()  argument
1468 	next_mtu = sctp_get_next_mtu(net->mtu);  in sctp_pathmtu_timer()
1470 	if ((next_mtu > net->mtu) && (net->port == 0)) {  in sctp_pathmtu_timer()
1471 		if ((net->src_addr_selected == 0) ||  in sctp_pathmtu_timer()
1472 		    (net->ro._s_addr == NULL) ||  in sctp_pathmtu_timer()
1473 		    (net->ro._s_addr->localifa_flags & SCTP_BEING_DELETED)) {  in sctp_pathmtu_timer()
1474 			if ((net->ro._s_addr != NULL) && (net->ro._s_addr->localifa_flags & SCTP_BEING_DELETED)) {  in sctp_pathmtu_timer()
1475 				sctp_free_ifa(net->ro._s_addr);  in sctp_pathmtu_timer()
1476 				net->ro._s_addr = NULL;  in sctp_pathmtu_timer()
1477 				net->src_addr_selected = 0;  in sctp_pathmtu_timer()
1478 			} else if (net->ro._s_addr == NULL) {  in sctp_pathmtu_timer()
1480 				if (net->ro._l_addr.sa.sa_family == AF_INET6) {  in sctp_pathmtu_timer()
1481 					struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;  in sctp_pathmtu_timer()
1488 				net->ro._s_addr = sctp_source_address_selection(inp,  in sctp_pathmtu_timer()
1490 				    (sctp_route_t *)&net->ro,  in sctp_pathmtu_timer()
1491 				    net, 0, stcb->asoc.vrf_id);  in sctp_pathmtu_timer()
1493 				if (net->ro._l_addr.sa.sa_family == AF_INET6) {  in sctp_pathmtu_timer()
1494 					struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&net->ro._l_addr;  in sctp_pathmtu_timer()
1500 			if (net->ro._s_addr)  in sctp_pathmtu_timer()
1501 				net->src_addr_selected = 1;  in sctp_pathmtu_timer()
1503 		if (net->ro._s_addr) {  in sctp_pathmtu_timer()
1504 			mtu = SCTP_GATHER_MTU_FROM_ROUTE(net->ro._s_addr, &net->ro._s_addr.sa, net->ro.ro_rt);  in sctp_pathmtu_timer()
1506 			if (net->port) {  in sctp_pathmtu_timer()
1511 				net->mtu = next_mtu;  in sctp_pathmtu_timer()
1513 				net->mtu = mtu;  in sctp_pathmtu_timer()
1518 	sctp_timer_start(SCTP_TIMER_TYPE_PATHMTURAISE, inp, stcb, net);  in sctp_pathmtu_timer()
1524     struct sctp_nets *net)  in sctp_autoclose_timer()  argument
1596 			    net);  in sctp_autoclose_timer()