51  * struct service_range - container for all bindings of a service range
52  * @lower: service range lower bound
53  * @upper: service range upper bound
54  * @tree_node: member of service range RB tree
71  * struct tipc_service - container for all published instances of a service type
72  * @type: 32 bit 'type' value for service
73  * @publ_cnt: increasing counter for publications in this service
74  * @ranges: rb tree containing all service ranges for this service
76  * @subscriptions: list of subscriptions for this service type
77  * @lock: spinlock controlling access to pertaining service ranges/publications
86 	spinlock_t lock; /* Covers service range list */
102  * service_range_foreach_match - iterate over tipc service rbtree for each  in RB_DECLARE_CALLBACKS_MAX()
104  * @sr: the service range pointer as a loop cursor  in RB_DECLARE_CALLBACKS_MAX()
105  * @sc: the pointer to tipc service which holds the service range rbtree  in RB_DECLARE_CALLBACKS_MAX()
118  * service_range_match_first - find first service range matching a range
119  * @n: the root node of service range rbtree for searching
122  * Return: the leftmost service range node in the rbtree that overlaps the
167  * service_range_match_next - find next service range matching a range
168  * @n: a node in service range rbtree from which the searching starts
171  * Return: the next service range node to the given node in the rbtree that
247  * tipc_service_create - create a service structure for the specified 'type'
253 	struct tipc_service *service = kzalloc(sizeof(*service), GFP_ATOMIC);  in tipc_service_create()  local
255 	if (!service) {  in tipc_service_create()
256 		pr_warn("Service creation failed, no memory\n");  in tipc_service_create()
260 	spin_lock_init(&service->lock);  in tipc_service_create()
261 	service->type = type;  in tipc_service_create()
262 	service->ranges = RB_ROOT;  in tipc_service_create()
263 	INIT_HLIST_NODE(&service->service_list);  in tipc_service_create()
264 	INIT_LIST_HEAD(&service->subscriptions);  in tipc_service_create()
265 	hlist_add_head_rcu(&service->service_list, hd);  in tipc_service_create()
266 	return service;  in tipc_service_create()
269 /*  tipc_service_find_range - find service range matching publication parameters
363  * tipc_service_remove_publ - remove a publication from a service
396  * issue the prescribed number of events if there is any service
399 static void tipc_service_subscribe(struct tipc_service *service,  in tipc_service_subscribe()  argument
415 	list_add(&sub->service_list, &service->subscriptions);  in tipc_service_subscribe()
421 	service_range_foreach_match(sr, service, ns.lower, ns.upper) {  in tipc_service_subscribe()
448 	struct tipc_service *service;  in tipc_service_find()  local
451 	hlist_for_each_entry_rcu(service, service_head, service_list) {  in tipc_service_find()
452 		if (service->type == type)  in tipc_service_find()
453 			return service;  in tipc_service_find()
513 	/* Remove service range item if this was its last publication */  in tipc_nametbl_remove_publ()
519 	/* Delete service item if this no more publications and subscriptions */  in tipc_nametbl_remove_publ()
530  * tipc_nametbl_translate - perform service instance to socket translation
722 /* tipc_nametbl_publish - add service binding to name table
758  * tipc_nametbl_withdraw - withdraw a service binding
841 	/* Delete service item if no more publications and subscriptions */  in tipc_nametbl_unsubscribe()
873  *  tipc_service_delete - purge all publications for a service and delete it
899 	struct tipc_service *service;  in tipc_nametbl_stop()  local
910 		hlist_for_each_entry_rcu(service, service_head, service_list) {  in tipc_nametbl_stop()
911 			tipc_service_delete(net, service);  in tipc_nametbl_stop()
921 					struct tipc_service *service,  in __tipc_nl_add_nametable_publ()  argument
959 		if (nla_put_u32(msg->skb, TIPC_NLA_PUBL_TYPE, service->type))  in __tipc_nl_add_nametable_publ()
1018 	struct tipc_service *service = NULL;  in tipc_nl_service_list()  local
1033 			service = tipc_service_find(net, *last_type);  in tipc_nl_service_list()
1034 			if (!service)  in tipc_nl_service_list()
1037 			hlist_for_each_entry_rcu(service, head, service_list)  in tipc_nl_service_list()
1039 			if (!service)  in tipc_nl_service_list()
1043 		hlist_for_each_entry_from_rcu(service, service_list) {  in tipc_nl_service_list()
1044 			spin_lock_bh(&service->lock);  in tipc_nl_service_list()
1045 			err = __tipc_nl_service_range_list(msg, service,  in tipc_nl_service_list()
1050 				*last_type = service->type;  in tipc_nl_service_list()
1051 				spin_unlock_bh(&service->lock);  in tipc_nl_service_list()
1054 			spin_unlock_bh(&service->lock);  in tipc_nl_service_list()