46 #define	ARL_LL_ADDR_OFFSET(arl)	(((arl)->arl_sap_length) < 0 ? \  argument
48 	((sizeof (dl_unitdata_req_t)) + (ABS((arl)->arl_sap_length))))
180 arl_refhold_locked(arl_t *arl)  in arl_refhold_locked()  argument
182 	ASSERT(MUTEX_HELD(&arl->arl_lock));  in arl_refhold_locked()
183 	arl->arl_refcnt++;  in arl_refhold_locked()
184 	ASSERT(arl->arl_refcnt != 0);  in arl_refhold_locked()
188 arl_refrele(arl_t *arl)  in arl_refrele()  argument
190 	mutex_enter(&arl->arl_lock);  in arl_refrele()
191 	ASSERT(arl->arl_refcnt != 0);  in arl_refrele()
192 	arl->arl_refcnt--;  in arl_refrele()
193 	if (arl->arl_refcnt > 1) {  in arl_refrele()
194 		mutex_exit(&arl->arl_lock);  in arl_refrele()
199 	cv_broadcast(&arl->arl_cv);  in arl_refrele()
200 	mutex_exit(&arl->arl_lock);  in arl_refrele()
374 arp_dlpi_done(arl_t *arl, ill_t *ill)  in arp_dlpi_done()  argument
380 	mutex_enter(&arl->arl_lock);  in arp_dlpi_done()
381 	prim = arl->arl_dlpi_pending;  in arp_dlpi_done()
383 	if ((mp = arl->arl_dlpi_deferred) == NULL) {  in arp_dlpi_done()
384 		arl->arl_dlpi_pending = DL_PRIM_INVAL;  in arp_dlpi_done()
385 		if (arl->arl_state_flags & ARL_LL_DOWN)  in arp_dlpi_done()
389 		mutex_exit(&arl->arl_lock);  in arp_dlpi_done()
398 	arl->arl_dlpi_deferred = mp->b_next;  in arp_dlpi_done()
403 	arl->arl_dlpi_pending = DL_PRIM(mp);  in arp_dlpi_done()
404 	mutex_exit(&arl->arl_lock);  in arp_dlpi_done()
410 	putnext(arl->arl_wq, mp);  in arp_dlpi_done()
423 arp_ll_set_defaults(arl_t *arl, mblk_t *mp)  in arp_ll_set_defaults()  argument
437 		arl->arl_sap_length = dlia->dl_sap_length;  in arp_ll_set_defaults()
438 		arl->arl_phys_addr_length = dlia->dl_brdcst_addr_length;  in arp_ll_set_defaults()
440 			arl->arl_needs_attach = 1;  in arp_ll_set_defaults()
442 		arl->arl_sap_length = arm->arp_mac_sap_length;  in arp_ll_set_defaults()
443 		arl->arl_phys_addr_length = arm->arp_mac_hw_addr_length;  in arp_ll_set_defaults()
449 	arl->arl_sap = ETHERTYPE_ARP;  in arp_ll_set_defaults()
450 	arl_defaults_common(arl, mp);  in arp_ll_set_defaults()
498 arl_dlpi_pending(arl_t *arl, t_uscalar_t prim)  in arl_dlpi_pending()  argument
502 	mutex_enter(&arl->arl_lock);  in arl_dlpi_pending()
503 	if (arl->arl_dlpi_pending == prim) {  in arl_dlpi_pending()
504 		mutex_exit(&arl->arl_lock);  in arl_dlpi_pending()
508 	if (arl->arl_state_flags & ARL_CONDEMNED) {  in arl_dlpi_pending()
509 		mutex_exit(&arl->arl_lock);  in arl_dlpi_pending()
512 	pending = arl->arl_dlpi_pending;  in arl_dlpi_pending()
513 	mutex_exit(&arl->arl_lock);  in arl_dlpi_pending()
517 		    dl_primstr(prim), arl->arl_name));  in arl_dlpi_pending()
520 		    dl_primstr(prim), arl->arl_name, dl_primstr(pending)));  in arl_dlpi_pending()
529 	arl_t		*arl = (arl_t *)q->q_ptr;  in arp_rput_dlpi()  local
574 		DTRACE_PROBE2(rput_dl_badprim, arl_t *, arl,  in arp_rput_dlpi()
579 	if (reqprim == DL_PRIM_INVAL || !arl_dlpi_pending(arl, reqprim)) {  in arp_rput_dlpi()
585 	    arl_t *, arl);  in arp_rput_dlpi()
589 	ill = arl_to_ill(arl);  in arp_rput_dlpi()
599 		ASSERT(!arl->arl_dlpi_style_set);  in arp_rput_dlpi()
600 		ASSERT(arl->arl_dlpi_pending == DL_INFO_REQ);  in arp_rput_dlpi()
601 		ASSERT(arl->arl_dlpi_deferred == NULL);  in arp_rput_dlpi()
602 		arl->arl_dlpi_pending = DL_PRIM_INVAL;  in arp_rput_dlpi()
603 		arp_ll_set_defaults(arl, mp);  in arp_rput_dlpi()
607 		mutex_enter(&arl->arl_lock);  in arp_rput_dlpi()
608 		arl->arl_state_flags &= ~ARL_DL_UNBIND_IN_PROGRESS;  in arp_rput_dlpi()
612 		arl->arl_state_flags &= ~ARL_LL_UP;  in arp_rput_dlpi()
613 		arl->arl_state_flags |= ARL_LL_UNBOUND;  in arp_rput_dlpi()
614 		if (arl->arl_state_flags & ARL_CONDEMNED) {  in arp_rput_dlpi()
623 			arl->arl_dlpi_pending = DL_PRIM_INVAL;  in arp_rput_dlpi()
625 		cv_signal(&arl->arl_cv);  in arp_rput_dlpi()
626 		mutex_exit(&arl->arl_lock);  in arp_rput_dlpi()
650 	arl_t		*arl = ill_to_arl(ill);  in arp_rput_dlpi_writer()  local
652 	if (arl == NULL) {  in arp_rput_dlpi_writer()
669 			mutex_enter(&arl->arl_lock);  in arp_rput_dlpi_writer()
670 			arl->arl_state_flags &= ~ARL_DL_UNBIND_IN_PROGRESS;  in arp_rput_dlpi_writer()
671 			arl->arl_state_flags &= ~ARL_LL_UP;  in arp_rput_dlpi_writer()
672 			arl->arl_state_flags |= ARL_LL_UNBOUND;  in arp_rput_dlpi_writer()
673 			arl->arl_state_flags |= ARL_LL_DOWN;  in arp_rput_dlpi_writer()
674 			cv_signal(&arl->arl_cv);  in arp_rput_dlpi_writer()
675 			mutex_exit(&arl->arl_lock);  in arp_rput_dlpi_writer()
678 			mutex_enter(&arl->arl_lock);  in arp_rput_dlpi_writer()
679 			arl->arl_state_flags &= ~ARL_LL_UP;  in arp_rput_dlpi_writer()
680 			arl->arl_state_flags |= ARL_LL_DOWN;  in arp_rput_dlpi_writer()
681 			arl->arl_state_flags |= ARL_LL_UNBOUND;  in arp_rput_dlpi_writer()
682 			cv_signal(&arl->arl_cv);  in arp_rput_dlpi_writer()
683 			mutex_exit(&arl->arl_lock);  in arp_rput_dlpi_writer()
689 			arl_refrele(arl);  in arp_rput_dlpi_writer()
698 		    arl_t *, arl);  in arp_rput_dlpi_writer()
699 		mutex_enter(&arl->arl_lock);  in arp_rput_dlpi_writer()
707 			mutex_exit(&arl->arl_lock);  in arp_rput_dlpi_writer()
708 			arl_refrele(arl);  in arp_rput_dlpi_writer()
712 		mutex_exit(&arl->arl_lock);  in arp_rput_dlpi_writer()
715 		DTRACE_PROBE2(rput_dl_bind, arl_t *, arl,  in arp_rput_dlpi_writer()
718 		mutex_enter(&arl->arl_lock);  in arp_rput_dlpi_writer()
719 		ASSERT(arl->arl_state_flags & ARL_LL_BIND_PENDING);  in arp_rput_dlpi_writer()
720 		arl->arl_state_flags &=  in arp_rput_dlpi_writer()
722 		arl->arl_state_flags |= ARL_LL_UP;  in arp_rput_dlpi_writer()
723 		mutex_exit(&arl->arl_lock);  in arp_rput_dlpi_writer()
726 		DTRACE_PROBE2(rput_dl_uderror, arl_t *, arl,  in arp_rput_dlpi_writer()
728 		arl_refrele(arl);  in arp_rput_dlpi_writer()
732 		DTRACE_PROBE2(rput_dl_badprim, arl_t *, arl,  in arp_rput_dlpi_writer()
734 		arl_refrele(arl);  in arp_rput_dlpi_writer()
738 	arp_dlpi_done(arl, ill);  in arp_rput_dlpi_writer()
739 	arl_refrele(arl);  in arp_rput_dlpi_writer()
746 	arl_t		*arl = q->q_ptr;  in arp_rput()  local
749 	mutex_enter(&arl->arl_lock);  in arp_rput()
750 	if (((arl->arl_state_flags &  in arp_rput()
757 			mutex_exit(&arl->arl_lock);  in arp_rput()
762 		arl_refhold_locked(arl);  in arp_rput()
765 	mutex_exit(&arl->arl_lock);  in arp_rput()
781 			ill = arl_to_ill(arl);  in arp_rput()
797 			arl->arl_error = (int)(*mp->b_rptr & 0xFF);  in arp_rput()
798 		if (arl->arl_error == 0)  in arp_rput()
799 			arl->arl_error = ENXIO;  in arp_rput()
808 		arl_refrele(arl);  in arp_rput()
1208 arl_ill_init(arl_t *arl, char *ill_name)  in arl_ill_init()  argument
1214 	    arl->arl_ipst);  in arl_ill_init()
1227 	ASSERT(arl->arl_phys_addr_length == ill->ill_phys_addr_length);  in arl_ill_init()
1228 	ASSERT(arl->arl_sap == ETHERTYPE_ARP);  in arl_ill_init()
1229 	ASSERT(arl->arl_mactype == ill->ill_mactype);  in arl_ill_init()
1230 	ASSERT(arl->arl_sap_length == ill->ill_sap_length);  in arl_ill_init()
1241 	if (ill->ill_common != NULL || arl->arl_common != NULL) {  in arl_ill_init()
1249 	ai->ai_arl = arl;  in arl_ill_init()
1252 	arl->arl_common = ai;  in arl_ill_init()
1254 	(void) strlcpy(arl->arl_name, ill->ill_name, LIFNAMSIZ);  in arl_ill_init()
1255 	arl->arl_name_length = ill->ill_name_length;  in arl_ill_init()
1257 	arp_ifname_notify(arl);  in arl_ill_init()
1287 	arl_t *arl;  in ip_sioctl_ifunitsel_arp()  local
1298 	arl = (arl_t *)q->q_ptr;  in ip_sioctl_ifunitsel_arp()
1300 	arl->arl_ppa = *ppa;  in ip_sioctl_ifunitsel_arp()
1301 	return (arl_ill_init(arl, ill_name));  in ip_sioctl_ifunitsel_arp()
1307 	arl_t *arl;  in ip_sioctl_slifname_arp()  local
1314 	arl = (arl_t *)q->q_ptr;  in ip_sioctl_slifname_arp()
1315 	arl->arl_ppa = lifr->lifr_ppa;  in ip_sioctl_slifname_arp()
1316 	return (arl_ill_init(arl, lifr->lifr_name));  in ip_sioctl_slifname_arp()
1323 	arl_t *arl = NULL;  in ill_to_arl()  local
1334 	if ((arl = ai->ai_arl) != NULL) {  in ill_to_arl()
1335 		mutex_enter(&arl->arl_lock);  in ill_to_arl()
1336 		if (!(arl->arl_state_flags & ARL_CONDEMNED)) {  in ill_to_arl()
1337 			arl_refhold_locked(arl);  in ill_to_arl()
1338 			mutex_exit(&arl->arl_lock);  in ill_to_arl()
1340 			mutex_exit(&arl->arl_lock);  in ill_to_arl()
1341 			arl = NULL;  in ill_to_arl()
1345 	return (arl);  in ill_to_arl()
1349 arl_to_ill(arl_t *arl)  in arl_to_ill()  argument
1351 	arl_ill_common_t *ai = arl->arl_common;  in arl_to_ill()
1388 	arl_t	*arl;  in arp_ll_up()  local
1391 	arl = ill_to_arl(ill);  in arp_ll_up()
1394 	if (arl == NULL)  in arp_ll_up()
1396 	DTRACE_PROBE2(arl__downup, char *, "arp_ll_up", arl_t *, arl);  in arp_ll_up()
1397 	if ((arl->arl_state_flags & ARL_LL_UP) != 0) {  in arp_ll_up()
1398 		arl_refrele(arl);  in arp_ll_up()
1401 	if (arl->arl_needs_attach) { /* DL_STYLE2 */  in arp_ll_up()
1406 		((dl_attach_req_t *)attach_mp->b_rptr)->dl_ppa = arl->arl_ppa;  in arp_ll_up()
1419 	if (arl->arl_needs_attach) {  in arp_ll_up()
1420 		arp_dlpi_send(arl, attach_mp);  in arp_ll_up()
1422 	arl->arl_unbind_mp = unbind_mp;  in arp_ll_up()
1424 	arl->arl_state_flags |= ARL_LL_BIND_PENDING;  in arp_ll_up()
1425 	arp_dlpi_send(arl, bind_mp);  in arp_ll_up()
1426 	arl_refrele(arl);  in arp_ll_up()
1433 	arl_refrele(arl);  in arp_ll_up()
1559 	arl_t *arl;  in arp_output()  local
1618 	arl = ill_to_arl(ill);  in arp_output()
1619 	if (arl == NULL) {  in arp_output()
1623 	if (canputnext(arl->arl_wq))  in arp_output()
1624 		putnext(arl->arl_wq, mp);  in arp_output()
1627 	arl_refrele(arl);  in arp_output()
1763 arl_unbind(arl_t *arl)  in arl_unbind()  argument
1767 	if ((mp = arl->arl_unbind_mp) != NULL) {  in arl_unbind()
1768 		arl->arl_unbind_mp = NULL;  in arl_unbind()
1769 		arl->arl_state_flags |= ARL_DL_UNBIND_IN_PROGRESS;  in arl_unbind()
1777 	arl_t	*arl;  in arp_ll_down()  local
1783 	if ((arl = ill_to_arl(ill)) == NULL)  in arp_ll_down()
1785 	DTRACE_PROBE2(arl__downup, char *, "arp_ll_down", arl_t *, arl);  in arp_ll_down()
1786 	mutex_enter(&arl->arl_lock);  in arp_ll_down()
1787 	unbind_mp = arl_unbind(arl);  in arp_ll_down()
1789 		ASSERT(arl->arl_state_flags & ARL_DL_UNBIND_IN_PROGRESS);  in arp_ll_down()
1791 		    arl_t *, arl);  in arp_ll_down()
1794 			arl->arl_state_flags |= ARL_LL_REPLUMBING;  in arp_ll_down()
1796 	mutex_exit(&arl->arl_lock);  in arp_ll_down()
1798 		arp_dlpi_send(arl, unbind_mp);  in arp_ll_down()
1799 	arl_refrele(arl);  in arp_ll_down()
1817 arp_modclose(arl_t *arl)  in arp_modclose()  argument
1819 	arl_ill_common_t *ai = arl->arl_common;  in arp_modclose()
1821 	queue_t		*q = arl->arl_rq;  in arp_modclose()
1825 	ill = arl_to_ill(arl);  in arp_modclose()
1860 	mutex_enter(&arl->arl_lock);  in arp_modclose()
1867 	if ((arl->arl_state_flags & ARL_CONDEMNED) != 0) {  in arp_modclose()
1868 		mutex_exit(&arl->arl_lock);  in arp_modclose()
1872 	arl->arl_state_flags |= ARL_CONDEMNED;  in arp_modclose()
1888 	if (arl->arl_dlpi_pending != DL_UNBIND_REQ)  in arp_modclose()
1889 		arl->arl_dlpi_pending = DL_PRIM_INVAL;  in arp_modclose()
1890 	mp = arl->arl_dlpi_deferred;  in arp_modclose()
1891 	arl->arl_dlpi_deferred = NULL;  in arp_modclose()
1892 	mutex_exit(&arl->arl_lock);  in arp_modclose()
1897 		putnext(arl->arl_wq, mp);  in arp_modclose()
1901 	mutex_enter(&arl->arl_lock);  in arp_modclose()
1902 	while (arl->arl_refcnt != 0)  in arp_modclose()
1903 		cv_wait(&arl->arl_cv, &arl->arl_lock);  in arp_modclose()
1908 	mp = arl_unbind(arl);  in arp_modclose()
1909 	mutex_exit(&arl->arl_lock);  in arp_modclose()
1911 		arp_dlpi_send(arl, mp);  in arp_modclose()
1912 	mutex_enter(&arl->arl_lock);  in arp_modclose()
1915 	while (arl->arl_state_flags & ARL_DL_UNBIND_IN_PROGRESS)  in arp_modclose()
1916 		cv_wait(&arl->arl_cv, &arl->arl_lock);  in arp_modclose()
1917 	mutex_exit(&arl->arl_lock);  in arp_modclose()
1939 	arp_mod_close_tail(arl);  in arp_modclose()
1950 arp_mod_close_tail(arl_t *arl)  in arp_mod_close_tail()  argument
1952 	ip_stack_t	*ipst = arl->arl_ipst;  in arp_mod_close_tail()
1956 	mi_close_unlink(&ipst->ips_arp_g_head, (IDP)arl);  in arp_mod_close_tail()
1963 	if (arl->arl_credp != NULL)  in arp_mod_close_tail()
1964 		crfree(arl->arl_credp);  in arp_mod_close_tail()
1967 	mpp = &arl->arl_first_mp_to_free;  in arp_mod_close_tail()
1981 	} while (mpp++ != &arl->arl_last_mp_to_free);  in arp_mod_close_tail()
1984 	mi_free(arl->arl_name);  in arp_mod_close_tail()
1985 	mi_close_free((IDP)arl);  in arp_mod_close_tail()
2158 arp_dlpi_send(arl_t *arl, mblk_t *mp)  in arp_dlpi_send()  argument
2167 	ai = arl->arl_common;  in arp_dlpi_send()
2176 	mutex_enter(&arl->arl_lock);  in arp_dlpi_send()
2177 	if (arl->arl_dlpi_pending != DL_PRIM_INVAL) {  in arp_dlpi_send()
2179 		mpp = &arl->arl_dlpi_deferred;  in arp_dlpi_send()
2184 		mutex_exit(&arl->arl_lock);  in arp_dlpi_send()
2187 	mutex_exit(&arl->arl_lock);  in arp_dlpi_send()
2190 		ASSERT((arl->arl_state_flags & ARL_DL_UNBIND_IN_PROGRESS) == 0);  in arp_dlpi_send()
2199 	if (!(arl->arl_state_flags & ARL_CONDEMNED) ||  in arp_dlpi_send()
2202 			ill_t *ill = arl_to_ill(arl);  in arp_dlpi_send()
2204 			arl->arl_dlpi_pending = prim;  in arp_dlpi_send()
2214 	    char *, dl_primstr(prim), char *, "-",  arl_t *, arl);  in arp_dlpi_send()
2215 	putnext(arl->arl_wq, mp);  in arp_dlpi_send()
2219 arl_defaults_common(arl_t *arl, mblk_t *mp)  in arl_defaults_common()  argument
2226 	arl->arl_mactype = dlia->dl_mac_type;  in arl_defaults_common()
2227 	arl->arl_sap_length = dlia->dl_sap_length;  in arl_defaults_common()
2229 	if (!arl->arl_dlpi_style_set) {  in arl_defaults_common()
2231 			arl->arl_needs_attach = 1;  in arl_defaults_common()
2232 		mutex_enter(&arl->arl_lock);  in arl_defaults_common()
2233 		ASSERT(arl->arl_dlpi_style_set == 0);  in arl_defaults_common()
2234 		arl->arl_dlpi_style_set = 1;  in arl_defaults_common()
2235 		arl->arl_state_flags &= ~ARL_LL_SUBNET_PENDING;  in arl_defaults_common()
2236 		cv_broadcast(&arl->arl_cv);  in arl_defaults_common()
2237 		mutex_exit(&arl->arl_lock);  in arl_defaults_common()
2242 arl_init(queue_t *q, arl_t *arl)  in arl_init()  argument
2248 	mutex_init(&arl->arl_lock, NULL, MUTEX_DEFAULT, 0);  in arl_init()
2250 	arl->arl_rq = q;  in arl_init()
2251 	arl->arl_wq = WR(q);  in arl_init()
2260 	arl->arl_name = (char *)(mi_zalloc(2 * LIFNAMSIZ));  in arl_init()
2261 	arl->arl_ppa = UINT_MAX;  in arl_init()
2262 	arl->arl_state_flags |= (ARL_LL_SUBNET_PENDING | ARL_LL_UNBOUND);  in arl_init()
2269 	arl->arl_dlpi_pending = DL_PRIM_INVAL;  in arl_init()
2272 	arp_dlpi_send(arl, info_mp);  in arl_init()
2277 arl_wait_for_info_ack(arl_t *arl)  in arl_wait_for_info_ack()  argument
2281 	mutex_enter(&arl->arl_lock);  in arl_wait_for_info_ack()
2282 	while (arl->arl_state_flags & ARL_LL_SUBNET_PENDING) {  in arl_wait_for_info_ack()
2286 		err = cv_wait_sig(&arl->arl_cv, &arl->arl_lock);  in arl_wait_for_info_ack()
2288 			mutex_exit(&arl->arl_lock);  in arl_wait_for_info_ack()
2292 	mutex_exit(&arl->arl_lock);  in arl_wait_for_info_ack()
2297 	return (arl->arl_error);  in arl_wait_for_info_ack()
2303 	arl_t *arl;  in arl_set_muxid()  local
2305 	arl = ill_to_arl(ill);  in arl_set_muxid()
2306 	if (arl != NULL) {  in arl_set_muxid()
2307 		arl->arl_muxid = muxid;  in arl_set_muxid()
2308 		arl_refrele(arl);  in arl_set_muxid()
2315 	arl_t *arl;  in arl_get_muxid()  local
2318 	arl = ill_to_arl(ill);  in arl_get_muxid()
2319 	if (arl != NULL) {  in arl_get_muxid()
2320 		muxid = arl->arl_muxid;  in arl_get_muxid()
2321 		arl_refrele(arl);  in arl_get_muxid()
2333 	arl_t	*arl = NULL;  in arp_modopen()  local
2356 	arl = (arl_t *)mi_open_alloc_sleep(sizeof (arl_t));  in arp_modopen()
2357 	q->q_ptr = WR(q)->q_ptr = arl;  in arp_modopen()
2358 	arl->arl_ipst = ipst;  in arp_modopen()
2359 	arl->arl_zoneid = zoneid;  in arp_modopen()
2360 	err = arl_init(q, arl);  in arp_modopen()
2363 		mi_free(arl->arl_name);  in arp_modopen()
2364 		mi_free(arl);  in arp_modopen()
2374 	err = arl_wait_for_info_ack(arl);  in arp_modopen()
2376 		arl->arl_credp = credp;  in arp_modopen()
2399 arp_ifname_notify(arl_t *arl)  in arp_ifname_notify()  argument
2416 	(void) strncpy(lifr->lifr_name, arl->arl_name, LIFNAMSIZ);  in arp_ifname_notify()
2417 	lifr->lifr_ppa = arl->arl_ppa;  in arp_ifname_notify()
2426 	    char *, "SIOCSLIFNAME", char *, "-",  arl_t *, arl);  in arp_ifname_notify()
2427 	putnext(arl->arl_wq, mp1);  in arp_ifname_notify()
2434 	arl_t *arl = ill_to_arl(ill);  in arp_send_replumb_conf()  local
2436 	if (arl == NULL)  in arp_send_replumb_conf()
2446 	arp_dlpi_send(arl, mp);  in arp_send_replumb_conf()
2447 	mutex_enter(&arl->arl_lock);  in arp_send_replumb_conf()
2448 	arl->arl_state_flags &= ~ARL_LL_REPLUMBING;  in arp_send_replumb_conf()
2449 	mutex_exit(&arl->arl_lock);  in arp_send_replumb_conf()
2450 	arl_refrele(arl);  in arp_send_replumb_conf()
2463 	arl_t *arl = ill_to_arl(ill);  in arp_unbind_complete()  local
2465 	if (arl == NULL)  in arp_unbind_complete()
2467 	mutex_enter(&arl->arl_lock);  in arp_unbind_complete()
2473 	while (arl->arl_state_flags & ARL_DL_UNBIND_IN_PROGRESS)  in arp_unbind_complete()
2474 		cv_wait(&arl->arl_cv, &arl->arl_lock);  in arp_unbind_complete()
2475 	while (arl->arl_refcnt != 1)  in arp_unbind_complete()
2476 		cv_wait(&arl->arl_cv, &arl->arl_lock);  in arp_unbind_complete()
2477 	mutex_exit(&arl->arl_lock);  in arp_unbind_complete()
2478 	arl_refrele(arl);  in arp_unbind_complete()