56 static int net_assign_generic(struct net *net, int id, void *data)  in net_assign_generic()  argument
61 	BUG_ON(id == 0);  in net_assign_generic()
66 	if (old_ng->len >= id)  in net_assign_generic()
89 	ng->ptr[id - 1] = data;  in net_assign_generic()
98 	if (ops->id && ops->size) {  in ops_init()
103 		err = net_assign_generic(net, *ops->id, data);  in ops_init()
122 	if (ops->id && ops->size) {  in ops_free()
123 		int id = *ops->id;  in ops_free()  local
124 		kfree(net_generic(net, id));  in ops_free()
144 	if (ops->size && ops->id) {  in ops_free_list()
169 static int net_eq_idr(int id, void *net, void *peer)  in net_eq_idr()  argument
172 		return id ? : NET_ID_ZERO;  in net_eq_idr()
182 	int id = idr_for_each(&net->netns_ids, net_eq_idr, peer);  in __peernet2id_alloc()  local
188 	if (id == NET_ID_ZERO)  in __peernet2id_alloc()
190 	if (id > 0)  in __peernet2id_alloc()
191 		return id;  in __peernet2id_alloc()
194 		id = alloc_netid(net, peer, -1);  in __peernet2id_alloc()
196 		return id >= 0 ? id : NETNSA_NSID_NOT_ASSIGNED;  in __peernet2id_alloc()
210 static void rtnl_net_notifyid(struct net *net, int cmd, int id);
218 	int id;  in peernet2id_alloc()  local
222 	id = __peernet2id_alloc(net, peer, &alloc);  in peernet2id_alloc()
224 	if (alloc && id >= 0)  in peernet2id_alloc()
225 		rtnl_net_notifyid(net, RTM_NEWNSID, id);  in peernet2id_alloc()
226 	return id;  in peernet2id_alloc()
234 	int id;  in peernet2id()  local
237 	id = __peernet2id(net, peer);  in peernet2id()
239 	return id;  in peernet2id()
250 struct net *get_net_ns_by_id(struct net *net, int id)  in get_net_ns_by_id()  argument
255 	if (id < 0)  in get_net_ns_by_id()
260 	peer = idr_find(&net->netns_ids, id);  in get_net_ns_by_id()
405 			int id;  in cleanup_net()  local
408 			id = __peernet2id(tmp, net);  in cleanup_net()
409 			if (id >= 0)  in cleanup_net()
410 				idr_remove(&tmp->netns_ids, id);  in cleanup_net()
412 			if (id >= 0)  in cleanup_net()
413 				rtnl_net_notifyid(tmp, RTM_DELNSID, id);  in cleanup_net()
621 	int err, id;  in rtnl_net_getid()  local
643 	id = peernet2id(net, peer);  in rtnl_net_getid()
645 			    RTM_NEWNSID, net, id);  in rtnl_net_getid()
667 static int rtnl_net_dumpid_one(int id, void *peer, void *data)  in rtnl_net_dumpid_one()  argument
677 			    RTM_NEWNSID, net_cb->net, id);  in rtnl_net_dumpid_one()
706 static void rtnl_net_notifyid(struct net *net, int cmd, int id)  in rtnl_net_notifyid()  argument
715 	err = rtnl_net_fill(msg, 0, 0, 0, cmd, net, id);  in rtnl_net_notifyid()
779 	if (ops->init || (ops->id && ops->size)) {  in __register_pernet_operations()
834 	if (ops->id) {  in register_pernet_operations()
836 		error = ida_get_new_above(&net_generic_ids, 1, ops->id);  in register_pernet_operations()
844 		max_gen_ptrs = max_t(unsigned int, max_gen_ptrs, *ops->id);  in register_pernet_operations()
849 		if (ops->id)  in register_pernet_operations()
850 			ida_remove(&net_generic_ids, *ops->id);  in register_pernet_operations()
861 	if (ops->id)  in unregister_pernet_operations()
862 		ida_remove(&net_generic_ids, *ops->id);  in unregister_pernet_operations()