253 	struct tcpcb *tp = xtp;  in tcp_timer_delack()  local
255 	CURVNET_SET(tp->t_vnet);  in tcp_timer_delack()
257 	inp = tp->t_inpcb;  in tcp_timer_delack()
258 	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));  in tcp_timer_delack()
260 	if (callout_pending(&tp->t_timers->tt_delack) ||  in tcp_timer_delack()
261 	    !callout_active(&tp->t_timers->tt_delack)) {  in tcp_timer_delack()
266 	callout_deactivate(&tp->t_timers->tt_delack);  in tcp_timer_delack()
272 	tp->t_flags |= TF_ACKNOW;  in tcp_timer_delack()
274 	(void) tp->t_fb->tfb_tcp_output(tp);  in tcp_timer_delack()
280 tcp_inpinfo_lock_del(struct inpcb *inp, struct tcpcb *tp)  in tcp_inpinfo_lock_del()  argument
282 	if (inp && tp != NULL)  in tcp_inpinfo_lock_del()
289 	struct tcpcb *tp = xtp;  in tcp_timer_2msl()  local
292 	CURVNET_SET(tp->t_vnet);  in tcp_timer_2msl()
296 	ostate = tp->t_state;  in tcp_timer_2msl()
298 	inp = tp->t_inpcb;  in tcp_timer_2msl()
299 	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));  in tcp_timer_2msl()
301 	tcp_free_sackholes(tp);  in tcp_timer_2msl()
302 	if (callout_pending(&tp->t_timers->tt_2msl) ||  in tcp_timer_2msl()
303 	    !callout_active(&tp->t_timers->tt_2msl)) {  in tcp_timer_2msl()
304 		INP_WUNLOCK(tp->t_inpcb);  in tcp_timer_2msl()
308 	callout_deactivate(&tp->t_timers->tt_2msl);  in tcp_timer_2msl()
314 	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,  in tcp_timer_2msl()
315 		("%s: tp %p tcpcb can't be stopped here", __func__, tp));  in tcp_timer_2msl()
334 	if (tcp_fast_finwait2_recycle && tp->t_state == TCPS_FIN_WAIT_2 &&  in tcp_timer_2msl()
335 	    tp->t_inpcb && tp->t_inpcb->inp_socket &&   in tcp_timer_2msl()
336 	    (tp->t_inpcb->inp_socket->so_rcv.sb_state & SBS_CANTRCVMORE)) {  in tcp_timer_2msl()
339 			tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_2msl()
343 		tp = tcp_close(tp);               in tcp_timer_2msl()
345 		tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_2msl()
348 		if (ticks - tp->t_rcvtime <= TP_MAXIDLE(tp)) {  in tcp_timer_2msl()
349 			callout_reset(&tp->t_timers->tt_2msl,  in tcp_timer_2msl()
350 				      TP_KEEPINTVL(tp), tcp_timer_2msl, tp);  in tcp_timer_2msl()
353 				tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_2msl()
357 			tp = tcp_close(tp);  in tcp_timer_2msl()
359 			tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_2msl()
365 	if (tp != NULL && (tp->t_inpcb->inp_socket->so_options & SO_DEBUG))  in tcp_timer_2msl()
366 		tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,  in tcp_timer_2msl()
369 	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);  in tcp_timer_2msl()
371 	if (tp != NULL)  in tcp_timer_2msl()
380 	struct tcpcb *tp = xtp;  in tcp_timer_keep()  local
384 	CURVNET_SET(tp->t_vnet);  in tcp_timer_keep()
388 	ostate = tp->t_state;  in tcp_timer_keep()
390 	inp = tp->t_inpcb;  in tcp_timer_keep()
391 	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));  in tcp_timer_keep()
393 	if (callout_pending(&tp->t_timers->tt_keep) ||  in tcp_timer_keep()
394 	    !callout_active(&tp->t_timers->tt_keep)) {  in tcp_timer_keep()
399 	callout_deactivate(&tp->t_timers->tt_keep);  in tcp_timer_keep()
405 	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,  in tcp_timer_keep()
406 		("%s: tp %p tcpcb can't be stopped here", __func__, tp));  in tcp_timer_keep()
414 	if (TCPS_HAVEESTABLISHED(tp->t_state)) {  in tcp_timer_keep()
417 		idletime = ticks - tp->t_rcvtime;  in tcp_timer_keep()
418 		if (idletime < TP_KEEPIDLE(tp)) {  in tcp_timer_keep()
419 			callout_reset(&tp->t_timers->tt_keep,  in tcp_timer_keep()
420 			    TP_KEEPIDLE(tp) - idletime, tcp_timer_keep, tp);  in tcp_timer_keep()
432 	if (tp->t_state < TCPS_ESTABLISHED)  in tcp_timer_keep()
436 	    tp->t_state <= TCPS_CLOSING) {  in tcp_timer_keep()
437 		if (ticks - tp->t_rcvtime >= TP_KEEPIDLE(tp) + TP_MAXIDLE(tp))  in tcp_timer_keep()
454 			tcp_respond(tp, t_template->tt_ipgen,  in tcp_timer_keep()
456 				    tp->rcv_nxt, tp->snd_una - 1, 0);  in tcp_timer_keep()
459 		callout_reset(&tp->t_timers->tt_keep, TP_KEEPINTVL(tp),  in tcp_timer_keep()
460 			      tcp_timer_keep, tp);  in tcp_timer_keep()
462 		callout_reset(&tp->t_timers->tt_keep, TP_KEEPIDLE(tp),  in tcp_timer_keep()
463 			      tcp_timer_keep, tp);  in tcp_timer_keep()
467 		tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,  in tcp_timer_keep()
470 	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);  in tcp_timer_keep()
478 		tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_keep()
482 	tp = tcp_drop(tp, ETIMEDOUT);  in tcp_timer_keep()
485 	if (tp != NULL && (tp->t_inpcb->inp_socket->so_options & SO_DEBUG))  in tcp_timer_keep()
486 		tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,  in tcp_timer_keep()
489 	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);  in tcp_timer_keep()
491 	tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_keep()
499 	struct tcpcb *tp = xtp;  in tcp_timer_persist()  local
502 	CURVNET_SET(tp->t_vnet);  in tcp_timer_persist()
506 	ostate = tp->t_state;  in tcp_timer_persist()
508 	inp = tp->t_inpcb;  in tcp_timer_persist()
509 	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));  in tcp_timer_persist()
511 	if (callout_pending(&tp->t_timers->tt_persist) ||  in tcp_timer_persist()
512 	    !callout_active(&tp->t_timers->tt_persist)) {  in tcp_timer_persist()
517 	callout_deactivate(&tp->t_timers->tt_persist);  in tcp_timer_persist()
523 	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,  in tcp_timer_persist()
524 		("%s: tp %p tcpcb can't be stopped here", __func__, tp));  in tcp_timer_persist()
537 	if (tp->t_rxtshift == TCP_MAXRXTSHIFT &&  in tcp_timer_persist()
538 	    (ticks - tp->t_rcvtime >= tcp_maxpersistidle ||  in tcp_timer_persist()
539 	     ticks - tp->t_rcvtime >= TCP_REXMTVAL(tp) * tcp_totbackoff)) {  in tcp_timer_persist()
542 			tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_persist()
546 		tp = tcp_drop(tp, ETIMEDOUT);  in tcp_timer_persist()
548 		tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_persist()
555 	if (tp->t_state > TCPS_CLOSE_WAIT &&  in tcp_timer_persist()
556 	    (ticks - tp->t_rcvtime) >= TCPTV_PERSMAX) {  in tcp_timer_persist()
559 			tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_persist()
563 		tp = tcp_drop(tp, ETIMEDOUT);  in tcp_timer_persist()
565 		tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_persist()
568 	tcp_setpersist(tp);  in tcp_timer_persist()
569 	tp->t_flags |= TF_FORCEDATA;  in tcp_timer_persist()
570 	(void) tp->t_fb->tfb_tcp_output(tp);  in tcp_timer_persist()
571 	tp->t_flags &= ~TF_FORCEDATA;  in tcp_timer_persist()
574 	if (tp != NULL && tp->t_inpcb->inp_socket->so_options & SO_DEBUG)  in tcp_timer_persist()
575 		tcp_trace(TA_USER, ostate, tp, NULL, NULL, PRU_SLOWTIMO);  in tcp_timer_persist()
577 	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);  in tcp_timer_persist()
586 	struct tcpcb *tp = xtp;  in tcp_timer_rexmt()  local
587 	CURVNET_SET(tp->t_vnet);  in tcp_timer_rexmt()
594 	ostate = tp->t_state;  in tcp_timer_rexmt()
596 	inp = tp->t_inpcb;  in tcp_timer_rexmt()
597 	KASSERT(inp != NULL, ("%s: tp %p tp->t_inpcb == NULL", __func__, tp));  in tcp_timer_rexmt()
599 	if (callout_pending(&tp->t_timers->tt_rexmt) ||  in tcp_timer_rexmt()
600 	    !callout_active(&tp->t_timers->tt_rexmt)) {  in tcp_timer_rexmt()
605 	callout_deactivate(&tp->t_timers->tt_rexmt);  in tcp_timer_rexmt()
611 	KASSERT((tp->t_timers->tt_flags & TT_STOPPED) == 0,  in tcp_timer_rexmt()
612 		("%s: tp %p tcpcb can't be stopped here", __func__, tp));  in tcp_timer_rexmt()
613 	tcp_free_sackholes(tp);  in tcp_timer_rexmt()
614 	TCP_LOG_EVENT(tp, NULL, NULL, NULL, TCP_LOG_RTO, 0, 0, NULL, false);  in tcp_timer_rexmt()
615 	if (tp->t_fb->tfb_tcp_rexmit_tmr) {  in tcp_timer_rexmt()
617 		(*tp->t_fb->tfb_tcp_rexmit_tmr)(tp);  in tcp_timer_rexmt()
624 	if (++tp->t_rxtshift > TCP_MAXRXTSHIFT) {  in tcp_timer_rexmt()
625 		tp->t_rxtshift = TCP_MAXRXTSHIFT;  in tcp_timer_rexmt()
628 			tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_rexmt()
632 		tp = tcp_drop(tp, ETIMEDOUT);  in tcp_timer_rexmt()
634 		tcp_inpinfo_lock_del(inp, tp);  in tcp_timer_rexmt()
637 	if (tp->t_state == TCPS_SYN_SENT) {  in tcp_timer_rexmt()
642 		tp->snd_cwnd = 1;  in tcp_timer_rexmt()
643 	} else if (tp->t_rxtshift == 1) {  in tcp_timer_rexmt()
653 		tp->snd_cwnd_prev = tp->snd_cwnd;  in tcp_timer_rexmt()
654 		tp->snd_ssthresh_prev = tp->snd_ssthresh;  in tcp_timer_rexmt()
655 		tp->snd_recover_prev = tp->snd_recover;  in tcp_timer_rexmt()
656 		if (IN_FASTRECOVERY(tp->t_flags))  in tcp_timer_rexmt()
657 			tp->t_flags |= TF_WASFRECOVERY;  in tcp_timer_rexmt()
659 			tp->t_flags &= ~TF_WASFRECOVERY;  in tcp_timer_rexmt()
660 		if (IN_CONGRECOVERY(tp->t_flags))  in tcp_timer_rexmt()
661 			tp->t_flags |= TF_WASCRECOVERY;  in tcp_timer_rexmt()
663 			tp->t_flags &= ~TF_WASCRECOVERY;  in tcp_timer_rexmt()
664 		if ((tp->t_flags & TF_RCVD_TSTMP) == 0)  in tcp_timer_rexmt()
665 			tp->t_badrxtwin = ticks + (tp->t_srtt >> (TCP_RTT_SHIFT + 1));  in tcp_timer_rexmt()
670 		tp->t_flags |= TF_PREVVALID;  in tcp_timer_rexmt()
672 		tp->t_flags &= ~TF_PREVVALID;  in tcp_timer_rexmt()
674 	if ((tp->t_state == TCPS_SYN_SENT) ||  in tcp_timer_rexmt()
675 	    (tp->t_state == TCPS_SYN_RECEIVED))  in tcp_timer_rexmt()
676 		rexmt = tcp_rexmit_initial * tcp_backoff[tp->t_rxtshift];  in tcp_timer_rexmt()
678 		rexmt = TCP_REXMTVAL(tp) * tcp_backoff[tp->t_rxtshift];  in tcp_timer_rexmt()
679 	TCPT_RANGESET(tp->t_rxtcur, rexmt,  in tcp_timer_rexmt()
680 		      tp->t_rttmin, TCPTV_REXMTMAX);  in tcp_timer_rexmt()
689 	if (V_tcp_pmtud_blackhole_detect && (((tp->t_state == TCPS_ESTABLISHED))  in tcp_timer_rexmt()
690 	    || (tp->t_state == TCPS_FIN_WAIT_1))) {  in tcp_timer_rexmt()
701 		if (((tp->t_flags2 & (TF2_PLPMTU_PMTUD|TF2_PLPMTU_MAXSEGSNT)) ==  in tcp_timer_rexmt()
703 		    (tp->t_rxtshift >= 2 && tp->t_rxtshift < 6 &&  in tcp_timer_rexmt()
704 		    tp->t_rxtshift % 2 == 0)) {  in tcp_timer_rexmt()
711 			if ((tp->t_flags2 & TF2_PLPMTU_BLACKHOLE) == 0) {  in tcp_timer_rexmt()
713 				tp->t_flags2 |= TF2_PLPMTU_BLACKHOLE;  in tcp_timer_rexmt()
715 				tp->t_pmtud_saved_maxseg = tp->t_maxseg;  in tcp_timer_rexmt()
723 			isipv6 = (tp->t_inpcb->inp_vflag & INP_IPV6) ? 1 : 0;  in tcp_timer_rexmt()
725 			    tp->t_maxseg > V_tcp_v6pmtud_blackhole_mss) {  in tcp_timer_rexmt()
727 				tp->t_maxseg = V_tcp_v6pmtud_blackhole_mss;  in tcp_timer_rexmt()
731 				tp->t_maxseg = V_tcp_v6mssdflt;  in tcp_timer_rexmt()
736 				tp->t_flags2 &= ~TF2_PLPMTU_PMTUD;  in tcp_timer_rexmt()
744 			if (tp->t_maxseg > V_tcp_pmtud_blackhole_mss) {  in tcp_timer_rexmt()
746 				tp->t_maxseg = V_tcp_pmtud_blackhole_mss;  in tcp_timer_rexmt()
750 				tp->t_maxseg = V_tcp_mssdflt;  in tcp_timer_rexmt()
755 				tp->t_flags2 &= ~TF2_PLPMTU_PMTUD;  in tcp_timer_rexmt()
763 			if (CC_ALGO(tp)->conn_init != NULL)  in tcp_timer_rexmt()
764 				CC_ALGO(tp)->conn_init(tp->ccv);  in tcp_timer_rexmt()
774 			if ((tp->t_flags2 & TF2_PLPMTU_BLACKHOLE) &&  in tcp_timer_rexmt()
775 			    (tp->t_rxtshift >= 6)) {  in tcp_timer_rexmt()
776 				tp->t_flags2 |= TF2_PLPMTU_PMTUD;  in tcp_timer_rexmt()
777 				tp->t_flags2 &= ~TF2_PLPMTU_BLACKHOLE;  in tcp_timer_rexmt()
778 				tp->t_maxseg = tp->t_pmtud_saved_maxseg;  in tcp_timer_rexmt()
784 				if (CC_ALGO(tp)->conn_init != NULL)  in tcp_timer_rexmt()
785 					CC_ALGO(tp)->conn_init(tp->ccv);  in tcp_timer_rexmt()
797 	if (tcp_rexmit_drop_options && (tp->t_state == TCPS_SYN_SENT) &&  in tcp_timer_rexmt()
798 	    (tp->t_rxtshift == 3))  in tcp_timer_rexmt()
799 		tp->t_flags &= ~(TF_REQ_SCALE|TF_REQ_TSTMP|TF_SACK_PERMIT);  in tcp_timer_rexmt()
804 	if (tp->t_rxtshift > TCP_RTT_INVALIDATE) {  in tcp_timer_rexmt()
806 		if ((tp->t_inpcb->inp_vflag & INP_IPV6) != 0)  in tcp_timer_rexmt()
807 			in6_losing(tp->t_inpcb);  in tcp_timer_rexmt()
810 			in_losing(tp->t_inpcb);  in tcp_timer_rexmt()
812 	tp->snd_nxt = tp->snd_una;  in tcp_timer_rexmt()
813 	tp->snd_recover = tp->snd_max;  in tcp_timer_rexmt()
817 	tp->t_flags |= TF_ACKNOW;  in tcp_timer_rexmt()
821 	tp->t_rtttime = 0;  in tcp_timer_rexmt()
823 	cc_cong_signal(tp, NULL, CC_RTO);  in tcp_timer_rexmt()
825 	(void) tp->t_fb->tfb_tcp_output(tp);  in tcp_timer_rexmt()
828 	if (tp != NULL && (tp->t_inpcb->inp_socket->so_options & SO_DEBUG))  in tcp_timer_rexmt()
829 		tcp_trace(TA_USER, ostate, tp, (void *)0, (struct tcphdr *)0,  in tcp_timer_rexmt()
832 	TCP_PROBE2(debug__user, tp, PRU_SLOWTIMO);  in tcp_timer_rexmt()
839 tcp_timer_activate(struct tcpcb *tp, uint32_t timer_type, u_int delta)  in tcp_timer_activate()  argument
843 	struct inpcb *inp = tp->t_inpcb;  in tcp_timer_activate()
847 	if (tp->t_flags & TF_TOE)  in tcp_timer_activate()
851 	if (tp->t_timers->tt_flags & TT_STOPPED)  in tcp_timer_activate()
856 			t_callout = &tp->t_timers->tt_delack;  in tcp_timer_activate()
860 			t_callout = &tp->t_timers->tt_rexmt;  in tcp_timer_activate()
864 			t_callout = &tp->t_timers->tt_persist;  in tcp_timer_activate()
868 			t_callout = &tp->t_timers->tt_keep;  in tcp_timer_activate()
872 			t_callout = &tp->t_timers->tt_2msl;  in tcp_timer_activate()
876 			if (tp->t_fb->tfb_tcp_timer_activate) {  in tcp_timer_activate()
877 				tp->t_fb->tfb_tcp_timer_activate(tp, timer_type, delta);  in tcp_timer_activate()
880 			panic("tp %p bad timer_type %#x", tp, timer_type);  in tcp_timer_activate()
885 		callout_reset_on(t_callout, delta, f_callout, tp, cpu);  in tcp_timer_activate()
890 tcp_timer_active(struct tcpcb *tp, uint32_t timer_type)  in tcp_timer_active()  argument
896 			t_callout = &tp->t_timers->tt_delack;  in tcp_timer_active()
899 			t_callout = &tp->t_timers->tt_rexmt;  in tcp_timer_active()
902 			t_callout = &tp->t_timers->tt_persist;  in tcp_timer_active()
905 			t_callout = &tp->t_timers->tt_keep;  in tcp_timer_active()
908 			t_callout = &tp->t_timers->tt_2msl;  in tcp_timer_active()
911 			if (tp->t_fb->tfb_tcp_timer_active) {  in tcp_timer_active()
912 				return(tp->t_fb->tfb_tcp_timer_active(tp, timer_type));  in tcp_timer_active()
914 			panic("tp %p bad timer_type %#x", tp, timer_type);  in tcp_timer_active()
928 tcp_timer_suspend(struct tcpcb *tp, uint32_t timer_type)  in tcp_timer_suspend()  argument
936 			t_callout = &tp->t_timers->tt_delack;  in tcp_timer_suspend()
940 			t_callout = &tp->t_timers->tt_rexmt;  in tcp_timer_suspend()
944 			t_callout = &tp->t_timers->tt_persist;  in tcp_timer_suspend()
948 			t_callout = &tp->t_timers->tt_keep;  in tcp_timer_suspend()
952 			t_callout = &tp->t_timers->tt_2msl;  in tcp_timer_suspend()
955 			panic("tp:%p bad timer_type 0x%x", tp, timer_type);  in tcp_timer_suspend()
957 	tp->t_timers->tt_flags |= t_flags;  in tcp_timer_suspend()
962 tcp_timers_unsuspend(struct tcpcb *tp, uint32_t timer_type)  in tcp_timers_unsuspend()  argument
966 			if (tp->t_timers->tt_flags & TT_DELACK_SUS) {  in tcp_timers_unsuspend()
967 				tp->t_timers->tt_flags &= ~TT_DELACK_SUS;  in tcp_timers_unsuspend()
968 				if (tp->t_flags & TF_DELACK) {  in tcp_timers_unsuspend()
970 					tp->t_flags &= ~TF_DELACK;  in tcp_timers_unsuspend()
971 					tcp_timer_activate(tp, TT_DELACK,  in tcp_timers_unsuspend()
977 			if (tp->t_timers->tt_flags & TT_REXMT_SUS) {  in tcp_timers_unsuspend()
978 				tp->t_timers->tt_flags &= ~TT_REXMT_SUS;  in tcp_timers_unsuspend()
979 				if (SEQ_GT(tp->snd_max, tp->snd_una) &&  in tcp_timers_unsuspend()
980 				    (tcp_timer_active((tp), TT_PERSIST) == 0) &&  in tcp_timers_unsuspend()
981 				    tp->snd_wnd) {  in tcp_timers_unsuspend()
983 					tcp_timer_activate(tp, TT_REXMT,   in tcp_timers_unsuspend()
984                                             tp->t_rxtcur);  in tcp_timers_unsuspend()
989 			if (tp->t_timers->tt_flags & TT_PERSIST_SUS) {  in tcp_timers_unsuspend()
990 				tp->t_timers->tt_flags &= ~TT_PERSIST_SUS;  in tcp_timers_unsuspend()
991 				if (tp->snd_wnd == 0) {  in tcp_timers_unsuspend()
993 					tp->t_rxtshift = 0;  in tcp_timers_unsuspend()
994 					tcp_setpersist(tp);  in tcp_timers_unsuspend()
999 			if (tp->t_timers->tt_flags & TT_KEEP_SUS) {  in tcp_timers_unsuspend()
1000 				tp->t_timers->tt_flags &= ~TT_KEEP_SUS;  in tcp_timers_unsuspend()
1001 				tcp_timer_activate(tp, TT_KEEP,  in tcp_timers_unsuspend()
1002 					    TCPS_HAVEESTABLISHED(tp->t_state) ?  in tcp_timers_unsuspend()
1003 					    TP_KEEPIDLE(tp) : TP_KEEPINIT(tp));  in tcp_timers_unsuspend()
1007 			if (tp->t_timers->tt_flags &= TT_2MSL_SUS) {  in tcp_timers_unsuspend()
1008 				tp->t_timers->tt_flags &= ~TT_2MSL_SUS;  in tcp_timers_unsuspend()
1009 				if ((tp->t_state == TCPS_FIN_WAIT_2) &&  in tcp_timers_unsuspend()
1010 				    ((tp->t_inpcb->inp_socket == NULL) ||  in tcp_timers_unsuspend()
1011 				     (tp->t_inpcb->inp_socket->so_rcv.sb_state & SBS_CANTRCVMORE))) {  in tcp_timers_unsuspend()
1013 					tcp_timer_activate(tp, TT_2MSL,  in tcp_timers_unsuspend()
1015 					    tcp_finwait2_timeout : TP_MAXIDLE(tp));  in tcp_timers_unsuspend()
1020 			panic("tp:%p bad timer_type 0x%x", tp, timer_type);  in tcp_timers_unsuspend()
1025 tcp_timer_stop(struct tcpcb *tp, uint32_t timer_type)  in tcp_timer_stop()  argument
1029 	tp->t_timers->tt_flags |= TT_STOPPED;  in tcp_timer_stop()
1032 			t_callout = &tp->t_timers->tt_delack;  in tcp_timer_stop()
1035 			t_callout = &tp->t_timers->tt_rexmt;  in tcp_timer_stop()
1038 			t_callout = &tp->t_timers->tt_persist;  in tcp_timer_stop()
1041 			t_callout = &tp->t_timers->tt_keep;  in tcp_timer_stop()
1044 			t_callout = &tp->t_timers->tt_2msl;  in tcp_timer_stop()
1047 			if (tp->t_fb->tfb_tcp_timer_stop) {  in tcp_timer_stop()
1052 				tp->t_fb->tfb_tcp_timer_stop(tp, timer_type);  in tcp_timer_stop()
1055 			panic("tp %p bad timer_type %#x", tp, timer_type);  in tcp_timer_stop()
1064 		tp->t_timers->tt_draincnt++;  in tcp_timer_stop()