540 nd6_llinfo_settimer_locked(struct llentry *ln, long tick)  in nd6_llinfo_settimer_locked()  argument
544 	LLE_WLOCK_ASSERT(ln);  in nd6_llinfo_settimer_locked()
547 	if (ln->la_flags & LLE_CHILD)  in nd6_llinfo_settimer_locked()
551 		ln->la_expire = 0;  in nd6_llinfo_settimer_locked()
552 		ln->ln_ntick = 0;  in nd6_llinfo_settimer_locked()
553 		canceled = callout_stop(&ln->lle_timer);  in nd6_llinfo_settimer_locked()
555 		ln->la_expire = time_uptime + tick / hz;  in nd6_llinfo_settimer_locked()
556 		LLE_ADDREF(ln);  in nd6_llinfo_settimer_locked()
558 			ln->ln_ntick = tick - INT_MAX;  in nd6_llinfo_settimer_locked()
559 			canceled = callout_reset(&ln->lle_timer, INT_MAX,  in nd6_llinfo_settimer_locked()
560 			    nd6_llinfo_timer, ln);  in nd6_llinfo_settimer_locked()
562 			ln->ln_ntick = 0;  in nd6_llinfo_settimer_locked()
563 			canceled = callout_reset(&ln->lle_timer, tick,  in nd6_llinfo_settimer_locked()
564 			    nd6_llinfo_timer, ln);  in nd6_llinfo_settimer_locked()
568 		LLE_REMREF(ln);  in nd6_llinfo_settimer_locked()
579 nd6_llinfo_get_holdsrc(struct llentry *ln, struct in6_addr *src)  in nd6_llinfo_get_holdsrc()  argument
584 	if (ln->la_hold == NULL)  in nd6_llinfo_get_holdsrc()
590 	m = ln->la_hold;  in nd6_llinfo_get_holdsrc()
750 	struct llentry *ln;  in nd6_llinfo_timer()  local
758 	ln = (struct llentry *)arg;  in nd6_llinfo_timer()
759 	ifp = lltable_get_ifp(ln->lle_tbl);  in nd6_llinfo_timer()
763 	LLE_WLOCK(ln);  in nd6_llinfo_timer()
764 	if (callout_pending(&ln->lle_timer)) {  in nd6_llinfo_timer()
781 		LLE_WUNLOCK(ln);  in nd6_llinfo_timer()
789 	dst = &ln->r_l3addr.addr6;  in nd6_llinfo_timer()
792 	if (ln->ln_ntick > 0) {  in nd6_llinfo_timer()
793 		if (ln->ln_ntick > INT_MAX) {  in nd6_llinfo_timer()
794 			ln->ln_ntick -= INT_MAX;  in nd6_llinfo_timer()
795 			nd6_llinfo_settimer_locked(ln, INT_MAX);  in nd6_llinfo_timer()
797 			ln->ln_ntick = 0;  in nd6_llinfo_timer()
798 			nd6_llinfo_settimer_locked(ln, ln->ln_ntick);  in nd6_llinfo_timer()
803 	if (ln->la_flags & LLE_STATIC) {  in nd6_llinfo_timer()
807 	if (ln->la_flags & LLE_DELETED) {  in nd6_llinfo_timer()
808 		nd6_free(&ln, 0);  in nd6_llinfo_timer()
812 	switch (ln->ln_state) {  in nd6_llinfo_timer()
814 		if (ln->la_asked < V_nd6_mmaxtries) {  in nd6_llinfo_timer()
815 			ln->la_asked++;  in nd6_llinfo_timer()
822 			ICMP6STAT_ADD(icp6s_dropped, ln->la_numheld);  in nd6_llinfo_timer()
824 			m = ln->la_hold;  in nd6_llinfo_timer()
830 				ln->la_hold = m->m_nextpkt;  in nd6_llinfo_timer()
832 				ln->la_numheld--;  in nd6_llinfo_timer()
834 			nd6_free(&ln, 0);  in nd6_llinfo_timer()
859 		if (!ND6_LLINFO_PERMANENT(ln))  in nd6_llinfo_timer()
860 			nd6_llinfo_setstate(ln, ND6_LLINFO_STALE);  in nd6_llinfo_timer()
864 		if (nd6_is_stale(ln, &delay, &do_switch) != 0) {  in nd6_llinfo_timer()
870 			nd6_llinfo_settimer_locked(ln, delay);  in nd6_llinfo_timer()
879 			if (!ND6_LLINFO_PERMANENT(ln))  in nd6_llinfo_timer()
880 				nd6_free(&ln, 1);  in nd6_llinfo_timer()
891 			ln->la_asked = 1;  in nd6_llinfo_timer()
892 			nd6_llinfo_setstate(ln, ND6_LLINFO_PROBE);  in nd6_llinfo_timer()
895 			nd6_llinfo_setstate(ln, ND6_LLINFO_STALE); /* XXX */  in nd6_llinfo_timer()
898 		if (ln->la_asked < V_nd6_umaxtries) {  in nd6_llinfo_timer()
899 			ln->la_asked++;  in nd6_llinfo_timer()
902 			nd6_free(&ln, 0);  in nd6_llinfo_timer()
907 		    __func__, ln->ln_state);  in nd6_llinfo_timer()
910 	if (ln != NULL)  in nd6_llinfo_timer()
913 		nd6_llinfo_settimer_locked(ln, (long)ndi->retrans * hz / 1000);  in nd6_llinfo_timer()
914 		psrc = nd6_llinfo_get_holdsrc(ln, &src);  in nd6_llinfo_timer()
915 		LLE_FREE_LOCKED(ln);  in nd6_llinfo_timer()
916 		ln = NULL;  in nd6_llinfo_timer()
920 	if (ln != NULL)  in nd6_llinfo_timer()
921 		LLE_FREE_LOCKED(ln);  in nd6_llinfo_timer()
1209 	struct llentry *ln;  in nd6_lookup()  local
1218 	ln = lla_lookup(LLTABLE6(ifp), flags, (struct sockaddr *)&sin6);  in nd6_lookup()
1220 	return (ln);  in nd6_lookup()
1227 	struct llentry *ln;  in nd6_alloc()  local
1234 	ln = lltable_alloc_entry(LLTABLE6(ifp), 0, (struct sockaddr *)&sin6);  in nd6_alloc()
1235 	if (ln != NULL)  in nd6_alloc()
1236 		ln->ln_state = ND6_LLINFO_NOSTATE;  in nd6_alloc()
1238 	return (ln);  in nd6_alloc()
1433 	struct llentry *ln;  in nd6_free()  local
1436 	ln = *lnp;  in nd6_free()
1439 	LLE_WLOCK_ASSERT(ln);  in nd6_free()
1442 	KASSERT((ln->la_flags & LLE_CHILD) == 0, ("child lle"));  in nd6_free()
1444 	ifp = lltable_get_ifp(ln->lle_tbl);  in nd6_free()
1446 		dr = defrouter_lookup_locked(&ln->r_l3addr.addr6, ifp);  in nd6_free()
1451 	if ((ln->la_flags & LLE_DELETED) == 0)  in nd6_free()
1452 		EVENTHANDLER_INVOKE(lle_event, ln, LLENTRY_EXPIRED);  in nd6_free()
1460 	nd6_llinfo_settimer_locked(ln, -1);  in nd6_free()
1464 		    ln->ln_state == ND6_LLINFO_STALE && gc) {  in nd6_free()
1478 				nd6_llinfo_settimer_locked(ln,  in nd6_free()
1481 				nd6_llinfo_settimer_locked(ln,  in nd6_free()
1484 			LLE_REMREF(ln);  in nd6_free()
1485 			LLE_WUNLOCK(ln);  in nd6_free()
1504 			ln->ln_state = ND6_LLINFO_INCOMPLETE;  in nd6_free()
1507 		if (ln->ln_router || dr) {  in nd6_free()
1514 			LLE_WUNLOCK(ln);  in nd6_free()
1521 			rt6_flush(&ln->r_l3addr.addr6, ifp);  in nd6_free()
1543 		if (ln->la_flags & LLE_REDIRECT)  in nd6_free()
1544 			nd6_free_redirect(ln);  in nd6_free()
1546 		if (ln->ln_router || dr)  in nd6_free()
1547 			LLE_WLOCK(ln);  in nd6_free()
1554 	LLE_WUNLOCK(ln);  in nd6_free()
1556 	LLE_WLOCK(ln);  in nd6_free()
1558 	if (ln->la_flags & LLE_LINKED) {  in nd6_free()
1560 		LLE_REMREF(ln);  in nd6_free()
1561 		lltable_unlink_entry(ln->lle_tbl, ln);  in nd6_free()
1565 	nd6_free_children(ln);  in nd6_free()
1567 	llentry_free(ln);  in nd6_free()
1587 nd6_free_redirect(const struct llentry *ln)  in nd6_free_redirect()  argument
1594 	lltable_fill_sa_entry(ln, (struct sockaddr *)&sin6);  in nd6_free_redirect()
1830 		struct llentry *ln;  in nd6_ioctl()  local
1837 		ln = nd6_lookup(&nb_addr, LLE_SF(AF_INET6, 0), ifp);  in nd6_ioctl()
1840 		if (ln == NULL) {  in nd6_ioctl()
1844 		nbi->state = ln->ln_state;  in nd6_ioctl()
1845 		nbi->asked = ln->la_asked;  in nd6_ioctl()
1846 		nbi->isrouter = ln->ln_router;  in nd6_ioctl()
1847 		if (ln->la_expire == 0)  in nd6_ioctl()
1850 			nbi->expire = ln->la_expire + ln->lle_remtime / hz +  in nd6_ioctl()
1852 		LLE_RUNLOCK(ln);  in nd6_ioctl()
1955 	struct llentry *ln = NULL, *ln_tmp;  in nd6_cache_lladdr()  local
1987 	ln = nd6_lookup(from, LLE_SF(AF_INET6, flags), ifp);  in nd6_cache_lladdr()
1989 	if (ln == NULL) {  in nd6_cache_lladdr()
1991 		ln = nd6_alloc(from, 0, ifp);  in nd6_cache_lladdr()
1992 		if (ln == NULL)  in nd6_cache_lladdr()
2003 				lltable_free_entry(LLTABLE6(ifp), ln);  in nd6_cache_lladdr()
2006 			lltable_set_entry_addr(ifp, ln, linkhdr, linkhdrsize,  in nd6_cache_lladdr()
2011 		LLE_WLOCK(ln);  in nd6_cache_lladdr()
2015 			lltable_link_entry(LLTABLE6(ifp), ln);  in nd6_cache_lladdr()
2021 				nd6_llinfo_setstate(ln, ND6_LLINFO_STALE);  in nd6_cache_lladdr()
2022 				EVENTHANDLER_INVOKE(lle_event, ln,  in nd6_cache_lladdr()
2026 			lltable_free_entry(LLTABLE6(ifp), ln);  in nd6_cache_lladdr()
2027 			ln = ln_tmp;  in nd6_cache_lladdr()
2032 	if ((ln->la_flags & LLE_STATIC)) {  in nd6_cache_lladdr()
2034 			LLE_WUNLOCK(ln);  in nd6_cache_lladdr()
2036 			LLE_RUNLOCK(ln);  in nd6_cache_lladdr()
2040 	olladdr = (ln->la_flags & LLE_VALID) ? 1 : 0;  in nd6_cache_lladdr()
2042 		llchange = bcmp(lladdr, ln->ll_addr,  in nd6_cache_lladdr()
2068 		if (!nd6_try_set_entry_addr(ifp, ln, lladdr)) {  in nd6_cache_lladdr()
2070 			LLE_WUNLOCK(ln);  in nd6_cache_lladdr()
2074 		nd6_llinfo_setstate(ln, ND6_LLINFO_STALE);  in nd6_cache_lladdr()
2076 		EVENTHANDLER_INVOKE(lle_event, ln, LLENTRY_RESOLVED);  in nd6_cache_lladdr()
2078 		if (ln->la_hold != NULL)  in nd6_cache_lladdr()
2079 			chain = nd6_grab_holdchain(ln);  in nd6_cache_lladdr()
2084 	    lladdr != NULL ? 1 : 0, ln->ln_router);  in nd6_cache_lladdr()
2086 	ln->ln_router = router;  in nd6_cache_lladdr()
2089 		ln->la_flags |= LLE_REDIRECT;  in nd6_cache_lladdr()
2092 		LLE_WUNLOCK(ln);  in nd6_cache_lladdr()
2094 		LLE_RUNLOCK(ln);  in nd6_cache_lladdr()
2097 		nd6_flush_holdchain(ifp, ln, chain);  in nd6_cache_lladdr()
2099 		nd6_flush_children_holdchain(ifp, ln);  in nd6_cache_lladdr()
2157 nd6_grab_holdchain(struct llentry *ln)  in nd6_grab_holdchain()  argument
2161 	LLE_WLOCK_ASSERT(ln);  in nd6_grab_holdchain()
2163 	chain = ln->la_hold;  in nd6_grab_holdchain()
2164 	ln->la_hold = NULL;  in nd6_grab_holdchain()
2165 	ln->la_numheld = 0;  in nd6_grab_holdchain()
2167 	if (ln->ln_state == ND6_LLINFO_STALE) {  in nd6_grab_holdchain()
2177 		nd6_llinfo_setstate(ln, ND6_LLINFO_DELAY);  in nd6_grab_holdchain()
2246 	struct llentry *ln = NULL;  in nd6_resolve()  local
2278 	ln = nd6_lookup(&dst6->sin6_addr, LLE_SF(family, lookup_flags), ifp);  in nd6_resolve()
2279 	if (ln != NULL && (ln->r_flags & RLLE_VALID) != 0) {  in nd6_resolve()
2281 		bcopy(ln->r_linkdata, desten, ln->r_hdrlen);  in nd6_resolve()
2283 			*pflags = LLE_VALID | (ln->r_flags & RLLE_IFADDR);  in nd6_resolve()
2284 		llentry_provide_feedback(ln);  in nd6_resolve()
2286 			LLE_ADDREF(ln);  in nd6_resolve()
2287 			*plle = ln;  in nd6_resolve()
2288 			LLE_WUNLOCK(ln);  in nd6_resolve()
2291 	} else if (plle && ln)  in nd6_resolve()
2292 		LLE_WUNLOCK(ln);  in nd6_resolve()
2597 	struct llentry *ln, *ln_tmp;  in nd6_add_ifa_lle()  local
2605 	ln = lltable_alloc_entry(LLTABLE6(ifp), LLE_IFADDR, dst);  in nd6_add_ifa_lle()
2606 	if (ln == NULL)  in nd6_add_ifa_lle()
2610 	LLE_WLOCK(ln);  in nd6_add_ifa_lle()
2615 	lltable_link_entry(LLTABLE6(ifp), ln);  in nd6_add_ifa_lle()
2620 	EVENTHANDLER_INVOKE(lle_event, ln, LLENTRY_RESOLVED);  in nd6_add_ifa_lle()
2622 	LLE_WUNLOCK(ln);  in nd6_add_ifa_lle()