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()
151 			      int id);
154 	int min = 0, max = 0, id;  in alloc_netid()  local
163 	id = idr_alloc(&net->netns_ids, peer, min, max, GFP_KERNEL);  in alloc_netid()
164 	if (id >= 0)  in alloc_netid()
165 		rtnl_net_notifyid(net, peer, RTM_NEWNSID, id);  in alloc_netid()
167 	return id;  in alloc_netid()
176 static int net_eq_idr(int id, void *net, void *peer)  in net_eq_idr()  argument
179 		return id ? : NET_ID_ZERO;  in net_eq_idr()
185 	int id = idr_for_each(&net->netns_ids, net_eq_idr, peer);  in __peernet2id()  local
190 	if (id == NET_ID_ZERO)  in __peernet2id()
192 	if (id > 0)  in __peernet2id()
193 		return id;  in __peernet2id()
207 	int id;  in peernet2id()  local
209 	id = __peernet2id(net, peer, alloc);  in peernet2id()
210 	return id >= 0 ? id : NETNSA_NSID_NOT_ASSIGNED;  in peernet2id()
214 struct net *get_net_ns_by_id(struct net *net, int id)  in get_net_ns_by_id()  argument
218 	if (id < 0)  in get_net_ns_by_id()
222 	peer = idr_find(&net->netns_ids, id);  in get_net_ns_by_id()
365 			int id = __peernet2id(tmp, net, false);  in cleanup_net()  local
367 			if (id >= 0) {  in cleanup_net()
368 				rtnl_net_notifyid(tmp, net, RTM_DELNSID, id);  in cleanup_net()
369 				idr_remove(&tmp->netns_ids, id);  in cleanup_net()
546 	int id;  in rtnl_net_fill()  local
558 		id = nsid;  in rtnl_net_fill()
560 		id = __peernet2id(net, peer, false);  in rtnl_net_fill()
561 		if  (id < 0)  in rtnl_net_fill()
562 			id = NETNSA_NSID_NOT_ASSIGNED;  in rtnl_net_fill()
564 	if (nla_put_s32(skb, NETNSA_NSID, id))  in rtnl_net_fill()
626 static int rtnl_net_dumpid_one(int id, void *peer, void *data)  in rtnl_net_dumpid_one()  argument
636 			    RTM_NEWNSID, net_cb->net, peer, id);  in rtnl_net_dumpid_one()
665 			      int id)  in rtnl_net_notifyid()  argument
674 	err = rtnl_net_fill(msg, 0, 0, 0, cmd, net, peer, id);  in rtnl_net_notifyid()
738 	if (ops->init || (ops->id && ops->size)) {  in __register_pernet_operations()
793 	if (ops->id) {  in register_pernet_operations()
795 		error = ida_get_new_above(&net_generic_ids, 1, ops->id);  in register_pernet_operations()
803 		max_gen_ptrs = max_t(unsigned int, max_gen_ptrs, *ops->id);  in register_pernet_operations()
808 		if (ops->id)  in register_pernet_operations()
809 			ida_remove(&net_generic_ids, *ops->id);  in register_pernet_operations()
820 	if (ops->id)  in unregister_pernet_operations()
821 		ida_remove(&net_generic_ids, *ops->id);  in unregister_pernet_operations()