85 static int net_assign_generic(struct net *net, unsigned int id, void *data)  in net_assign_generic()  argument
89 	BUG_ON(id < MIN_PERNET_OPS_ID);  in net_assign_generic()
93 	if (old_ng->s.len > id) {  in net_assign_generic()
94 		old_ng->ptr[id] = data;  in net_assign_generic()
115 	ng->ptr[id] = data;  in net_assign_generic()
128 	if (ops->id && ops->size) {  in ops_init()
133 		err = net_assign_generic(net, *ops->id, data);  in ops_init()
143 	if (ops->id && ops->size) {  in ops_init()
146 		ng->ptr[*ops->id] = NULL;  in ops_init()
185 	if (ops->size && ops->id) {  in ops_free_list()
187 			kfree(net_generic(net, *ops->id));  in ops_free_list()
210 static int net_eq_idr(int id, void *net, void *peer)  in net_eq_idr()  argument
213 		return id ? : NET_ID_ZERO;  in net_eq_idr()
220 	int id = idr_for_each(&net->netns_ids, net_eq_idr, peer);  in __peernet2id()  local
223 	if (id == NET_ID_ZERO)  in __peernet2id()
225 	if (id > 0)  in __peernet2id()
226 		return id;  in __peernet2id()
231 static void rtnl_net_notifyid(struct net *net, int cmd, int id, u32 portid,
238 	int id;  in peernet2id_alloc()  local
244 	id = __peernet2id(net, peer);  in peernet2id_alloc()
245 	if (id >= 0) {  in peernet2id_alloc()
247 		return id;  in peernet2id_alloc()
260 	id = alloc_netid(net, peer, -1);  in peernet2id_alloc()
264 	if (id < 0)  in peernet2id_alloc()
267 	rtnl_net_notifyid(net, RTM_NEWNSID, id, 0, NULL, gfp);  in peernet2id_alloc()
269 	return id;  in peernet2id_alloc()
276 	int id;  in peernet2id()  local
279 	id = __peernet2id(net, peer);  in peernet2id()
282 	return id;  in peernet2id()
294 struct net *get_net_ns_by_id(const struct net *net, int id)  in get_net_ns_by_id()  argument
298 	if (id < 0)  in get_net_ns_by_id()
302 	peer = idr_find(&net->netns_ids, id);  in get_net_ns_by_id()
549 		int id;  in unhash_nsid()  local
552 		id = __peernet2id(tmp, net);  in unhash_nsid()
553 		if (id >= 0)  in unhash_nsid()
554 			idr_remove(&tmp->netns_ids, id);  in unhash_nsid()
556 		if (id >= 0)  in unhash_nsid()
557 			rtnl_net_notifyid(tmp, RTM_DELNSID, id, 0, NULL,  in unhash_nsid()
939 		int id = nla_get_s32(tb[NETNSA_TARGET_NSID]);  in rtnl_net_getid()  local
941 		target = rtnl_get_net_ns_capable(NETLINK_CB(skb).sk, id);  in rtnl_net_getid()
986 static int rtnl_net_dumpid_one(int id, void *peer, void *data)  in rtnl_net_dumpid_one()  argument
994 	net_cb->fillargs.nsid = id;  in rtnl_net_dumpid_one()
1081 static void rtnl_net_notifyid(struct net *net, int cmd, int id, u32 portid,  in rtnl_net_notifyid()  argument
1088 		.nsid = id,  in rtnl_net_notifyid()
1168 	if (ops->init || (ops->id && ops->size)) {  in __register_pernet_operations()
1234 	if (ops->id) {  in register_pernet_operations()
1239 		*ops->id = error;  in register_pernet_operations()
1244 		WRITE_ONCE(max_gen_ptrs, max(max_gen_ptrs, *ops->id + 1));  in register_pernet_operations()
1249 		if (ops->id)  in register_pernet_operations()
1250 			ida_free(&net_generic_ids, *ops->id);  in register_pernet_operations()
1260 	if (ops->id)  in unregister_pernet_operations()
1261 		ida_free(&net_generic_ids, *ops->id);  in unregister_pernet_operations()