209     hook_stack_t *hks);
214 static hook_family_int_t *hook_family_find(char *family, hook_stack_t *hks);
215 static void hook_family_free(hook_family_int_t *hfi, hook_stack_t *hks);
238 static void hook_stack_notify_run(hook_stack_t *hks, char *name,
240 static void hook_stack_remove(hook_stack_t *hks);
491 	hook_stack_t	*hks;  in hook_stack_init()  local
497 	hks = (hook_stack_t *)kmem_zalloc(sizeof (*hks), KM_SLEEP);  in hook_stack_init()
498 	hks->hks_netstack = ns;  in hook_stack_init()
499 	hks->hks_netstackid = stackid;  in hook_stack_init()
501 	CVW_INIT(&hks->hks_lock);  in hook_stack_init()
502 	TAILQ_INIT(&hks->hks_nhead);  in hook_stack_init()
503 	SLIST_INIT(&hks->hks_familylist);  in hook_stack_init()
505 	hook_wait_init(&hks->hks_waiter, &hks->hks_lock);  in hook_stack_init()
508 	SLIST_INSERT_HEAD(&hook_stacks, hks, hks_entry);  in hook_stack_init()
511 	return (hks);  in hook_stack_init()
534 	hook_stack_t *hks = (hook_stack_t *)arg;  in hook_stack_shutdown()  local
541 	hks->hks_shutdown = 1;  in hook_stack_shutdown()
562 	hook_stack_t *hks = (hook_stack_t *)arg;  in hook_stack_fini()  local
565 	hks->hks_shutdown = 2;  in hook_stack_fini()
566 	hook_stack_remove(hks);  in hook_stack_fini()
581 hook_stack_remove(hook_stack_t *hks)  in hook_stack_remove()  argument
589 	if (!SLIST_EMPTY(&hks->hks_familylist) ||  in hook_stack_remove()
590 	    !TAILQ_EMPTY(&hks->hks_nhead))  in hook_stack_remove()
593 	SLIST_REMOVE(&hook_stacks, hks, hook_stack, hks_entry);  in hook_stack_remove()
595 	VERIFY(hook_wait_destroy(&hks->hks_waiter) == 0);  in hook_stack_remove()
596 	CVW_DESTROY(&hks->hks_lock);  in hook_stack_remove()
597 	kmem_free(hks, sizeof (*hks));  in hook_stack_remove()
612 	hook_stack_t *hks;  in hook_stack_get()  local
614 	SLIST_FOREACH(hks, &hook_stacks, hks_entry) {  in hook_stack_get()
615 		if (hks->hks_netstackid == stackid)  in hook_stack_get()
619 	return (hks);  in hook_stack_get()
642 	hook_stack_t *hks;  in hook_stack_notify_register()  local
651 	hks = hook_stack_get(stackid);  in hook_stack_notify_register()
652 	if (hks != NULL) {  in hook_stack_notify_register()
653 		if (hks->hks_shutdown != 0) {  in hook_stack_notify_register()
656 			CVW_ENTER_WRITE(&hks->hks_lock);  in hook_stack_notify_register()
657 			canrun = (hook_wait_setflag(&hks->hks_waiter,  in hook_stack_notify_register()
660 			error = hook_notify_register(&hks->hks_nhead,  in hook_stack_notify_register()
662 			CVW_EXIT_WRITE(&hks->hks_lock);  in hook_stack_notify_register()
676 		    hks->hks_netstackid);  in hook_stack_notify_register()
678 		SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_stack_notify_register()
687 		hook_wait_unsetflag(&hks->hks_waiter, FWF_ADD_ACTIVE);  in hook_stack_notify_register()
708 	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()
717 		CVW_ENTER_WRITE(&hks->hks_lock);  in hook_stack_notify_unregister()
718 		canrun = (hook_wait_setflag(&hks->hks_waiter, FWF_ADD_WAIT_MASK,  in hook_stack_notify_unregister()
721 		error = hook_notify_unregister(&hks->hks_nhead, callback, &arg);  in hook_stack_notify_unregister()
722 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_stack_notify_unregister()
736 			    hks->hks_netstackid);  in hook_stack_notify_unregister()
738 			SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_stack_notify_unregister()
743 			hook_wait_unsetflag(&hks->hks_waiter, FWF_ADD_ACTIVE);  in hook_stack_notify_unregister()
747 		hks = hook_stack_get(stackid);  in hook_stack_notify_unregister()
748 		if ((error == 0) && (hks->hks_shutdown == 2))  in hook_stack_notify_unregister()
749 			hook_stack_remove(hks);  in hook_stack_notify_unregister()
773 hook_stack_notify_run(hook_stack_t *hks, char *name,  in hook_stack_notify_run()  argument
778 	ASSERT(hks != NULL);  in hook_stack_notify_run()
781 	(void) snprintf(buffer, sizeof (buffer), "%u", hks->hks_netstackid);  in hook_stack_notify_run()
783 	hook_notify_run(&hks->hks_nhead, buffer, NULL, name, cmd);  in hook_stack_notify_run()
866 hook_family_add(hook_family_t *hf, hook_stack_t *hks, void **store)  in hook_family_add()  argument
878 	CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_add()
880 	if (hks->hks_shutdown != 0) {  in hook_family_add()
881 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
888 	hfi = hook_family_find(hf->hf_name, hks);  in hook_family_add()
890 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
901 	if (hook_wait_setflag(&hks->hks_waiter, FWF_ADD_WAIT_MASK,  in hook_family_add()
903 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
915 	new->hfi_stack = hks;  in hook_family_add()
920 	SLIST_INSERT_HEAD(&hks->hks_familylist, new, hfi_entry);  in hook_family_add()
922 	CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_add()
925 	hook_stack_notify_run(hks, hf->hf_name, HN_REGISTER);  in hook_family_add()
927 	hook_wait_unsetflag(&hks->hks_waiter, FWF_ADD_ACTIVE);  in hook_family_add()
944 	hook_stack_t *hks;  in hook_family_remove()  local
948 	hks = hfi->hfi_stack;  in hook_family_remove()
955 	CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_remove()
957 	if (hook_wait_setflag(&hks->hks_waiter, FWF_DEL_WAIT_MASK,  in hook_family_remove()
962 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_remove()
980 	CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_remove()
983 		hook_stack_notify_run(hks, hfi->hfi_family.hf_name,  in hook_family_remove()
986 	hook_wait_unsetflag(&hks->hks_waiter, FWF_DEL_ACTIVE);  in hook_family_remove()
993 		hook_family_free(hfi, hks);  in hook_family_remove()
1007 hook_family_free(hook_family_int_t *hfi, hook_stack_t *hks)  in hook_family_free()  argument
1019 	if (hks != NULL) {  in hook_family_free()
1020 		CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_free()
1022 		SLIST_REMOVE(&hks->hks_familylist, hfi, hook_family_int,  in hook_family_free()
1025 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_free()
1037 	if (hks->hks_shutdown == 2)  in hook_family_free()
1038 		hook_stack_remove(hks);  in hook_family_free()
1056 	hook_stack_t *hks;  in hook_family_shutdown()  local
1060 	hks = hfi->hfi_stack;  in hook_family_shutdown()
1067 	CVW_ENTER_WRITE(&hks->hks_lock);  in hook_family_shutdown()
1069 	if (hook_wait_setflag(&hks->hks_waiter, FWF_DEL_WAIT_MASK,  in hook_family_shutdown()
1074 		CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_shutdown()
1078 	CVW_EXIT_WRITE(&hks->hks_lock);  in hook_family_shutdown()
1081 		hook_stack_notify_run(hks, hfi->hfi_family.hf_name,  in hook_family_shutdown()
1084 	hook_wait_unsetflag(&hks->hks_waiter, FWF_DEL_ACTIVE);  in hook_family_shutdown()
1131 hook_family_find(char *family, hook_stack_t *hks)  in hook_family_find()  argument
1137 	SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_family_find()
1167 	hook_stack_t *hks;  in hook_family_notify_register()  local
1173 	hks = hfi->hfi_stack;  in hook_family_notify_register()
1175 	CVW_ENTER_READ(&hks->hks_lock);  in hook_family_notify_register()
1179 		CVW_EXIT_READ(&hks->hks_lock);  in hook_family_notify_register()
1189 	CVW_EXIT_READ(&hks->hks_lock);  in hook_family_notify_register()
1297 	hook_stack_t *hks;  in hook_event_add()  local
1307 	hks = hfi->hfi_stack;  in hook_event_add()
1308 	CVW_ENTER_READ(&hks->hks_lock);  in hook_event_add()
1310 	hks = hfi->hfi_stack;  in hook_event_add()
1311 	if (hks->hks_shutdown != 0) {  in hook_event_add()
1312 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1318 	hei = hook_event_checkdup(he, hks);  in hook_event_add()
1320 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1329 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1333 	CVW_EXIT_READ(&hks->hks_lock);  in hook_event_add()
1380 	hook_stack_t *hks;  in hook_event_init_kstats()  local
1382 	hks = hfi->hfi_stack;  in hook_event_init_kstats()
1386 	    KSTAT_FLAG_VIRTUAL, hks->hks_netstackid);  in hook_event_init_kstats()
1393 		    (void *)(uintptr_t)hks->hks_netstackid;  in hook_event_init_kstats()
1600 hook_event_checkdup(hook_event_t *he, hook_stack_t *hks)  in hook_event_checkdup()  argument
1607 	CVW_ENTER_READ(&hks->hks_lock);  in hook_event_checkdup()
1608 	SLIST_FOREACH(hfi, &hks->hks_familylist, hfi_entry) {  in hook_event_checkdup()
1611 				CVW_EXIT_READ(&hks->hks_lock);  in hook_event_checkdup()
1616 	CVW_EXIT_READ(&hks->hks_lock);  in hook_event_checkdup()
1688 	hook_stack_t *hks;  in hook_event_notify_register()  local
1694 	hks = hfi->hfi_stack;  in hook_event_notify_register()
1695 	CVW_ENTER_READ(&hks->hks_lock);  in hook_event_notify_register()
1696 	if (hks->hks_shutdown != 0) {  in hook_event_notify_register()
1697 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1705 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1712 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1718 		CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
1729 	CVW_EXIT_READ(&hks->hks_lock);  in hook_event_notify_register()
2337 	hook_stack_t *hks;  in hook_init_kstats()  local
2349 	hks = hfi->hfi_stack;  in hook_init_kstats()
2353 	    KSTAT_FLAG_VIRTUAL, hks->hks_netstackid);  in hook_init_kstats()
2378 		    (void *)(uintptr_t)hks->hks_netstackid;  in hook_init_kstats()