210     hook_stack_t *hks);
215 static hook_family_int_t *hook_family_find(char *family, hook_stack_t *hks);
216 static void hook_family_free(hook_family_int_t *hfi, hook_stack_t *hks);
239 static void hook_stack_notify_run(hook_stack_t *hks, char *name,
241 static void hook_stack_remove(hook_stack_t *hks);
492 	hook_stack_t	*hks;  in hook_stack_init()  local
498 	hks = (hook_stack_t *)kmem_zalloc(sizeof (*hks), KM_SLEEP);  in hook_stack_init()
499 	hks->hks_netstack = ns;  in hook_stack_init()
500 	hks->hks_netstackid = stackid;  in hook_stack_init()
502 	CVW_INIT(&hks->hks_lock);  in hook_stack_init()
503 	TAILQ_INIT(&hks->hks_nhead);  in hook_stack_init()
504 	SLIST_INIT(&hks->hks_familylist);  in hook_stack_init()
506 	hook_wait_init(&hks->hks_waiter, &hks->hks_lock);  in hook_stack_init()
509 	SLIST_INSERT_HEAD(&hook_stacks, hks, hks_entry);  in hook_stack_init()
512 	return (hks);  in hook_stack_init()
535 	hook_stack_t *hks = (hook_stack_t *)arg;  in hook_stack_shutdown()  local
542 	hks->hks_shutdown = 1;  in hook_stack_shutdown()
563 	hook_stack_t *hks = (hook_stack_t *)arg;  in hook_stack_fini()  local
566 	hks->hks_shutdown = 2;  in hook_stack_fini()
567 	hook_stack_remove(hks);  in hook_stack_fini()
582 hook_stack_remove(hook_stack_t *hks)  in hook_stack_remove()  argument
590 	if (!SLIST_EMPTY(&hks->hks_familylist) ||  in hook_stack_remove()
591 	    !TAILQ_EMPTY(&hks->hks_nhead))  in hook_stack_remove()
594 	SLIST_REMOVE(&hook_stacks, hks, hook_stack, hks_entry);  in hook_stack_remove()
596 	VERIFY(hook_wait_destroy(&hks->hks_waiter) == 0);  in hook_stack_remove()
597 	CVW_DESTROY(&hks->hks_lock);  in hook_stack_remove()
598 	kmem_free(hks, sizeof (*hks));  in hook_stack_remove()
613 	hook_stack_t *hks;  in hook_stack_get()  local
615 	SLIST_FOREACH(hks, &hook_stacks, hks_entry) {  in hook_stack_get()
616 		if (hks->hks_netstackid == stackid)  in hook_stack_get()
620 	return (hks);  in hook_stack_get()
643 	hook_stack_t *hks;  in hook_stack_notify_register()  local
652 	hks = hook_stack_get(stackid);  in hook_stack_notify_register()
653 	if (hks != NULL) {  in hook_stack_notify_register()
654 		if (hks->hks_shutdown != 0) {  in hook_stack_notify_register()
657 			CVW_ENTER_WRITE(&hks->hks_lock);  in hook_stack_notify_register()
658 			canrun = (hook_wait_setflag(&hks->hks_waiter,  in hook_stack_notify_register()
661 			error = hook_notify_register(&hks->hks_nhead,  in hook_stack_notify_register()
663 			CVW_EXIT_WRITE(&hks->hks_lock);  in hook_stack_notify_register()
677 		    hks->hks_netstackid);  in hook_stack_notify_register()
679 		SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_stack_notify_register()
688 		hook_wait_unsetflag(&hks->hks_waiter, FWF_ADD_ACTIVE);  in hook_stack_notify_register()
709 	hook_stack_t *hks;  in hook_stack_notify_unregister()  local
715 	hks = hook_stack_get(stackid);  in hook_stack_notify_unregister()
716 	if (hks == NULL) {  in hook_stack_notify_unregister()
721 	CVW_ENTER_WRITE(&hks->hks_lock);  in hook_stack_notify_unregister()
730 	if (hook_wait_setflag(&hks->hks_waiter, FWF_DEL_WAIT_MASK,  in hook_stack_notify_unregister()
732 		VERIFY(TAILQ_EMPTY(&hks->hks_nhead));  in hook_stack_notify_unregister()
733 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_stack_notify_unregister()
738 	error = hook_notify_unregister(&hks->hks_nhead, callback, &arg);  in hook_stack_notify_unregister()
739 	CVW_EXIT_WRITE(&hks->hks_lock);  in hook_stack_notify_unregister()
749 		    hks->hks_netstackid);  in hook_stack_notify_unregister()
751 		SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_stack_notify_unregister()
764 	hook_wait_unsetflag(&hks->hks_waiter, FWF_DEL_ACTIVE);  in hook_stack_notify_unregister()
765 	if (hks->hks_shutdown == 2)  in hook_stack_notify_unregister()
766 		hook_stack_remove(hks);  in hook_stack_notify_unregister()
789 hook_stack_notify_run(hook_stack_t *hks, char *name,  in hook_stack_notify_run()  argument
794 	ASSERT(hks != NULL);  in hook_stack_notify_run()
797 	(void) snprintf(buffer, sizeof (buffer), "%u", hks->hks_netstackid);  in hook_stack_notify_run()
799 	hook_notify_run(&hks->hks_nhead, buffer, NULL, name, cmd);  in hook_stack_notify_run()
882 hook_family_add(hook_family_t *hf, hook_stack_t *hks, void **store)  in hook_family_add()  argument
894 	CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_add()
896 	if (hks->hks_shutdown != 0) {  in hook_family_add()
897 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
904 	hfi = hook_family_find(hf->hf_name, hks);  in hook_family_add()
906 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
917 	if (hook_wait_setflag(&hks->hks_waiter, FWF_ADD_WAIT_MASK,  in hook_family_add()
919 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
931 	new->hfi_stack = hks;  in hook_family_add()
936 	SLIST_INSERT_HEAD(&hks->hks_familylist, new, hfi_entry);  in hook_family_add()
938 	CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
941 	hook_stack_notify_run(hks, hf->hf_name, HN_REGISTER);  in hook_family_add()
943 	hook_wait_unsetflag(&hks->hks_waiter, FWF_ADD_ACTIVE);  in hook_family_add()
960 	hook_stack_t *hks;  in hook_family_remove()  local
964 	hks = hfi->hfi_stack;  in hook_family_remove()
971 	CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_remove()
973 	if (hook_wait_setflag(&hks->hks_waiter, FWF_DEL_WAIT_MASK,  in hook_family_remove()
978 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_remove()
996 	CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_remove()
999 		hook_stack_notify_run(hks, hfi->hfi_family.hf_name,  in hook_family_remove()
1002 	hook_wait_unsetflag(&hks->hks_waiter, FWF_DEL_ACTIVE);  in hook_family_remove()
1009 		hook_family_free(hfi, hks);  in hook_family_remove()
1023 hook_family_free(hook_family_int_t *hfi, hook_stack_t *hks)  in hook_family_free()  argument
1035 	if (hks != NULL) {  in hook_family_free()
1036 		CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_free()
1038 		SLIST_REMOVE(&hks->hks_familylist, hfi, hook_family_int,  in hook_family_free()
1041 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_free()
1053 	if (hks != NULL && hks->hks_shutdown == 2)  in hook_family_free()
1054 		hook_stack_remove(hks);  in hook_family_free()
1072 	hook_stack_t *hks;  in hook_family_shutdown()  local
1076 	hks = hfi->hfi_stack;  in hook_family_shutdown()
1083 	CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_shutdown()
1085 	if (hook_wait_setflag(&hks->hks_waiter, FWF_DEL_WAIT_MASK,  in hook_family_shutdown()
1090 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_shutdown()
1094 	CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_shutdown()
1097 		hook_stack_notify_run(hks, hfi->hfi_family.hf_name,  in hook_family_shutdown()
1100 	hook_wait_unsetflag(&hks->hks_waiter, FWF_DEL_ACTIVE);  in hook_family_shutdown()
1147 hook_family_find(char *family, hook_stack_t *hks)  in hook_family_find()  argument
1153 	SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_family_find()
1183 	hook_stack_t *hks;  in hook_family_notify_register()  local
1189 	hks = hfi->hfi_stack;  in hook_family_notify_register()
1191 	CVW_ENTER_READ(&hks->hks_lock);  in hook_family_notify_register()
1195 		CVW_EXIT_READ(&hks->hks_lock);  in hook_family_notify_register()
1205 	CVW_EXIT_READ(&hks->hks_lock);  in hook_family_notify_register()
1313 	hook_stack_t *hks;  in hook_event_add()  local
1323 	hks = hfi->hfi_stack;  in hook_event_add()
1324 	CVW_ENTER_READ(&hks->hks_lock);  in hook_event_add()
1326 	hks = hfi->hfi_stack;  in hook_event_add()
1327 	if (hks->hks_shutdown != 0) {  in hook_event_add()
1328 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1334 	hei = hook_event_checkdup(he, hks);  in hook_event_add()
1336 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1345 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1349 	CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1396 	hook_stack_t *hks;  in hook_event_init_kstats()  local
1398 	hks = hfi->hfi_stack;  in hook_event_init_kstats()
1402 	    KSTAT_FLAG_VIRTUAL, hks->hks_netstackid);  in hook_event_init_kstats()
1409 		    (void *)(uintptr_t)hks->hks_netstackid;  in hook_event_init_kstats()
1616 hook_event_checkdup(hook_event_t *he, hook_stack_t *hks)  in hook_event_checkdup()  argument
1623 	CVW_ENTER_READ(&hks->hks_lock);  in hook_event_checkdup()
1624 	SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_event_checkdup()
1627 				CVW_EXIT_READ(&hks->hks_lock);  in hook_event_checkdup()
1632 	CVW_EXIT_READ(&hks->hks_lock);  in hook_event_checkdup()
1704 	hook_stack_t *hks;  in hook_event_notify_register()  local
1710 	hks = hfi->hfi_stack;  in hook_event_notify_register()
1711 	CVW_ENTER_READ(&hks->hks_lock);  in hook_event_notify_register()
1712 	if (hks->hks_shutdown != 0) {  in hook_event_notify_register()
1713 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1721 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1728 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1734 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1745 	CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
2353 	hook_stack_t *hks;  in hook_init_kstats()  local
2365 	hks = hfi->hfi_stack;  in hook_init_kstats()
2369 	    KSTAT_FLAG_VIRTUAL, hks->hks_netstackid);  in hook_init_kstats()
2394 		    (void *)(uintptr_t)hks->hks_netstackid;  in hook_init_kstats()