61 struct net {  struct
198 extern struct net init_net;  argument
201 struct net *copy_net_ns(unsigned long flags, struct user_namespace *user_ns,
202 			struct net *old_net);
204 void net_ns_get_ownership(const struct net *net, kuid_t *uid, kgid_t *gid);
209 struct net *get_net_ns_by_fd(int fd);
213 static inline struct net *copy_net_ns(unsigned long flags,  in copy_net_ns()
214 	struct user_namespace *user_ns, struct net *old_net)  in copy_net_ns()
221 static inline void net_ns_get_ownership(const struct net *net,  in net_ns_get_ownership()  argument
235 static inline struct net *get_net_ns_by_fd(int fd)  in get_net_ns_by_fd()
244 struct net *get_net_ns_by_pid(pid_t pid);
255 void __put_net(struct net *net);
258 static inline struct net *get_net(struct net *net)  in get_net()  argument
260 	refcount_inc(&net->ns.count);  in get_net()
261 	return net;  in get_net()
264 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
271 	if (!refcount_inc_not_zero(&net->ns.count))  in maybe_get_net()
272 		net = NULL;  in maybe_get_net()
273 	return net;  in maybe_get_net()
277 static inline void put_net(struct net *net)  in put_net()  argument
279 	if (refcount_dec_and_test(&net->ns.count))  in put_net()
280 		__put_net(net);  in put_net()
284 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
289 static inline int check_net(const struct net *net)  in check_net()  argument
291 	return refcount_read(&net->ns.count) != 0;  in check_net()
298 static inline struct net *get_net(struct net *net)  in get_net()  argument
300 	return net;  in get_net()
303 static inline void put_net(struct net *net)  in put_net()  argument
307 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
309 	return net;  in maybe_get_net()
313 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
318 static inline int check_net(const struct net *net)  in check_net()  argument
327 static inline void __netns_tracker_alloc(struct net *net,  in __netns_tracker_alloc()  argument
333 	ref_tracker_alloc(refcounted ? &net->refcnt_tracker :  in __netns_tracker_alloc()
334 				       &net->notrefcnt_tracker,  in __netns_tracker_alloc()
339 static inline void netns_tracker_alloc(struct net *net, netns_tracker *tracker,  in netns_tracker_alloc()  argument
342 	__netns_tracker_alloc(net, tracker, true, gfp);  in netns_tracker_alloc()
345 static inline void __netns_tracker_free(struct net *net,  in __netns_tracker_free()  argument
350        ref_tracker_free(refcounted ? &net->refcnt_tracker :  in __netns_tracker_free()
351 				     &net->notrefcnt_tracker, tracker);  in __netns_tracker_free()
355 static inline struct net *get_net_track(struct net *net,  in get_net_track()  argument
358 	get_net(net);  in get_net_track()
359 	netns_tracker_alloc(net, tracker, gfp);  in get_net_track()
360 	return net;  in get_net_track()
363 static inline void put_net_track(struct net *net, netns_tracker *tracker)  in put_net_track()  argument
365 	__netns_tracker_free(net, tracker, true);  in put_net_track()
366 	put_net(net);  in put_net_track()
371 	struct net *net;  member
375 static inline void write_pnet(possible_net_t *pnet, struct net *net)  in write_pnet()  argument
378 	pnet->net = net;  in write_pnet()
382 static inline struct net *read_pnet(const possible_net_t *pnet)  in read_pnet()
385 	return pnet->net;  in read_pnet()
411 int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp);
412 int peernet2id(const struct net *net, struct net *peer);
413 bool peernet_has_id(const struct net *net, struct net *peer);
414 struct net *get_net_ns_by_id(const struct net *net, int id);
440 	int (*init)(struct net *net);
441 	void (*pre_exit)(struct net *net);
442 	void (*exit)(struct net *net);
474 #define register_net_sysctl(net, path, table)	\  argument
475 	register_net_sysctl_sz(net, path, table, ARRAY_SIZE(table))
478 struct ctl_table_header *register_net_sysctl_sz(struct net *net, const char *path,
483 static inline struct ctl_table_header *register_net_sysctl_sz(struct net *net,  in register_net_sysctl_sz()  argument
493 static inline int rt_genid_ipv4(const struct net *net)  in rt_genid_ipv4()  argument
495 	return atomic_read(&net->ipv4.rt_genid);  in rt_genid_ipv4()
499 static inline int rt_genid_ipv6(const struct net *net)  in rt_genid_ipv6()  argument
501 	return atomic_read(&net->ipv6.fib6_sernum);  in rt_genid_ipv6()
505 static inline void rt_genid_bump_ipv4(struct net *net)  in rt_genid_bump_ipv4()  argument
507 	atomic_inc(&net->ipv4.rt_genid);  in rt_genid_bump_ipv4()
510 extern void (*__fib6_flush_trees)(struct net *net);
511 static inline void rt_genid_bump_ipv6(struct net *net)  in rt_genid_bump_ipv6()  argument
514 		__fib6_flush_trees(net);  in rt_genid_bump_ipv6()
519 net_ieee802154_lowpan(struct net *net)  in net_ieee802154_lowpan()  argument
521 	return &net->ieee802154_lowpan;  in net_ieee802154_lowpan()
526 static inline void rt_genid_bump_all(struct net *net)  in rt_genid_bump_all()  argument
528 	rt_genid_bump_ipv4(net);  in rt_genid_bump_all()
529 	rt_genid_bump_ipv6(net);  in rt_genid_bump_all()
532 static inline int fnhe_genid(const struct net *net)  in fnhe_genid()  argument
534 	return atomic_read(&net->fnhe_genid);  in fnhe_genid()
537 static inline void fnhe_genid_bump(struct net *net)  in fnhe_genid_bump()  argument
539 	atomic_inc(&net->fnhe_genid);  in fnhe_genid_bump()