15 #include <net/flow.h>
16 #include <net/netns/core.h>
17 #include <net/netns/mib.h>
18 #include <net/netns/unix.h>
19 #include <net/netns/packet.h>
20 #include <net/netns/ipv4.h>
21 #include <net/netns/ipv6.h>
22 #include <net/netns/nexthop.h>
23 #include <net/netns/ieee802154_6lowpan.h>
24 #include <net/netns/sctp.h>
25 #include <net/netns/dccp.h>
26 #include <net/netns/netfilter.h>
27 #include <net/netns/x_tables.h>
29 #include <net/netns/conntrack.h>
31 #include <net/netns/nftables.h>
32 #include <net/netns/xfrm.h>
33 #include <net/netns/mpls.h>
34 #include <net/netns/can.h>
35 #include <net/netns/xdp.h>
36 #include <net/netns/bpf.h>
42 #include <net/netns/nip.h>
59 struct net {  struct
81 						 * methods on dead net (  argument
204 extern struct net init_net;  argument
207 struct net *copy_net_ns(unsigned long flags, struct user_namespace *user_ns,
208 			struct net *old_net);
210 void net_ns_get_ownership(const struct net *net, kuid_t *uid, kgid_t *gid);
218 static inline struct net *copy_net_ns(unsigned long flags,  in copy_net_ns()
219 	struct user_namespace *user_ns, struct net *old_net)  in copy_net_ns()
226 static inline void net_ns_get_ownership(const struct net *net,  in net_ns_get_ownership()  argument
244 struct net *get_net_ns_by_pid(pid_t pid);
245 struct net *get_net_ns_by_fd(int fd);
247 u64 __net_gen_cookie(struct net *net);
258 void __put_net(struct net *net);
260 static inline struct net *get_net(struct net *net)  in get_net()  argument
262 	refcount_inc(&net->count);  in get_net()
263 	return net;  in get_net()
266 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
268 	/* Used when we know struct net exists but we  in maybe_get_net()
273 	if (!refcount_inc_not_zero(&net->count))  in maybe_get_net()
274 		net = NULL;  in maybe_get_net()
275 	return net;  in maybe_get_net()
278 static inline void put_net(struct net *net)  in put_net()  argument
280 	if (refcount_dec_and_test(&net->count))  in put_net()
281 		__put_net(net);  in put_net()
285 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
290 static inline int check_net(const struct net *net)  in check_net()  argument
292 	return refcount_read(&net->count) != 0;  in check_net()
299 static inline struct net *get_net(struct net *net)  in get_net()  argument
301 	return net;  in get_net()
304 static inline void put_net(struct net *net)  in put_net()  argument
308 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
310 	return net;  in maybe_get_net()
314 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
319 static inline int check_net(const struct net *net)  in check_net()  argument
330 	struct net *net;  member
334 static inline void write_pnet(possible_net_t *pnet, struct net *net)  in write_pnet()  argument
337 	pnet->net = net;  in write_pnet()
341 static inline struct net *read_pnet(const possible_net_t *pnet)  in read_pnet()
344 	return pnet->net;  in read_pnet()
370 int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp);
371 int peernet2id(const struct net *net, struct net *peer);
372 bool peernet_has_id(const struct net *net, struct net *peer);
373 struct net *get_net_ns_by_id(const struct net *net, int id);
379 	 * More than one net may be constructed and destructed
390 	 * Then, destruction of a group of net requires single
392 	 * instead of separate synchronize_rcu() for every net.
399 	int (*init)(struct net *net);
400 	void (*pre_exit)(struct net *net);
401 	void (*exit)(struct net *net);
436 struct ctl_table_header *register_net_sysctl(struct net *net, const char *path,
441 static inline struct ctl_table_header *register_net_sysctl(struct net *net,  in register_net_sysctl()  argument
451 static inline int rt_genid_ipv4(const struct net *net)  in rt_genid_ipv4()  argument
453 	return atomic_read(&net->ipv4.rt_genid);  in rt_genid_ipv4()
457 static inline int rt_genid_ipv6(const struct net *net)  in rt_genid_ipv6()  argument
459 	return atomic_read(&net->ipv6.fib6_sernum);  in rt_genid_ipv6()
463 static inline void rt_genid_bump_ipv4(struct net *net)  in rt_genid_bump_ipv4()  argument
465 	atomic_inc(&net->ipv4.rt_genid);  in rt_genid_bump_ipv4()
468 extern void (*__fib6_flush_trees)(struct net *net);
469 static inline void rt_genid_bump_ipv6(struct net *net)  in rt_genid_bump_ipv6()  argument
472 		__fib6_flush_trees(net);  in rt_genid_bump_ipv6()
477 net_ieee802154_lowpan(struct net *net)  in net_ieee802154_lowpan()  argument
479 	return &net->ieee802154_lowpan;  in net_ieee802154_lowpan()
484 static inline void rt_genid_bump_all(struct net *net)  in rt_genid_bump_all()  argument
486 	rt_genid_bump_ipv4(net);  in rt_genid_bump_all()
487 	rt_genid_bump_ipv6(net);  in rt_genid_bump_all()
490 static inline int fnhe_genid(const struct net *net)  in fnhe_genid()  argument
492 	return atomic_read(&net->fnhe_genid);  in fnhe_genid()
495 static inline void fnhe_genid_bump(struct net *net)  in fnhe_genid_bump()  argument
497 	atomic_inc(&net->fnhe_genid);  in fnhe_genid_bump()