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>
56 struct net {  struct
78 						 * methods on dead net (  argument
197 extern struct net init_net;  argument
200 struct net *copy_net_ns(unsigned long flags, struct user_namespace *user_ns,
201 			struct net *old_net);
203 void net_ns_get_ownership(const struct net *net, kuid_t *uid, kgid_t *gid);
211 static inline struct net *copy_net_ns(unsigned long flags,  in copy_net_ns()
212 	struct user_namespace *user_ns, struct net *old_net)  in copy_net_ns()
219 static inline void net_ns_get_ownership(const struct net *net,  in net_ns_get_ownership()  argument
237 struct net *get_net_ns_by_pid(pid_t pid);
238 struct net *get_net_ns_by_fd(int fd);
240 u64 __net_gen_cookie(struct net *net);
251 void __put_net(struct net *net);
253 static inline struct net *get_net(struct net *net)  in get_net()  argument
255 	refcount_inc(&net->count);  in get_net()
256 	return net;  in get_net()
259 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
261 	/* Used when we know struct net exists but we  in maybe_get_net()
266 	if (!refcount_inc_not_zero(&net->count))  in maybe_get_net()
267 		net = NULL;  in maybe_get_net()
268 	return net;  in maybe_get_net()
271 static inline void put_net(struct net *net)  in put_net()  argument
273 	if (refcount_dec_and_test(&net->count))  in put_net()
274 		__put_net(net);  in put_net()
278 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
283 static inline int check_net(const struct net *net)  in check_net()  argument
285 	return refcount_read(&net->count) != 0;  in check_net()
292 static inline struct net *get_net(struct net *net)  in get_net()  argument
294 	return net;  in get_net()
297 static inline void put_net(struct net *net)  in put_net()  argument
301 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
303 	return net;  in maybe_get_net()
307 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
312 static inline int check_net(const struct net *net)  in check_net()  argument
323 	struct net *net;  member
327 static inline void write_pnet(possible_net_t *pnet, struct net *net)  in write_pnet()  argument
330 	pnet->net = net;  in write_pnet()
334 static inline struct net *read_pnet(const possible_net_t *pnet)  in read_pnet()
337 	return pnet->net;  in read_pnet()
363 int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp);
364 int peernet2id(const struct net *net, struct net *peer);
365 bool peernet_has_id(const struct net *net, struct net *peer);
366 struct net *get_net_ns_by_id(const struct net *net, int id);
372 	 * More than one net may be constructed and destructed
383 	 * Then, destruction of a group of net requires single
385 	 * instead of separate synchronize_rcu() for every net.
392 	int (*init)(struct net *net);
393 	void (*pre_exit)(struct net *net);
394 	void (*exit)(struct net *net);
429 struct ctl_table_header *register_net_sysctl(struct net *net, const char *path,
434 static inline struct ctl_table_header *register_net_sysctl(struct net *net,  in register_net_sysctl()  argument
444 static inline int rt_genid_ipv4(const struct net *net)  in rt_genid_ipv4()  argument
446 	return atomic_read(&net->ipv4.rt_genid);  in rt_genid_ipv4()
450 static inline int rt_genid_ipv6(const struct net *net)  in rt_genid_ipv6()  argument
452 	return atomic_read(&net->ipv6.fib6_sernum);  in rt_genid_ipv6()
456 static inline void rt_genid_bump_ipv4(struct net *net)  in rt_genid_bump_ipv4()  argument
458 	atomic_inc(&net->ipv4.rt_genid);  in rt_genid_bump_ipv4()
461 extern void (*__fib6_flush_trees)(struct net *net);
462 static inline void rt_genid_bump_ipv6(struct net *net)  in rt_genid_bump_ipv6()  argument
465 		__fib6_flush_trees(net);  in rt_genid_bump_ipv6()
470 net_ieee802154_lowpan(struct net *net)  in net_ieee802154_lowpan()  argument
472 	return &net->ieee802154_lowpan;  in net_ieee802154_lowpan()
477 static inline void rt_genid_bump_all(struct net *net)  in rt_genid_bump_all()  argument
479 	rt_genid_bump_ipv4(net);  in rt_genid_bump_all()
480 	rt_genid_bump_ipv6(net);  in rt_genid_bump_all()
483 static inline int fnhe_genid(const struct net *net)  in fnhe_genid()  argument
485 	return atomic_read(&net->fnhe_genid);  in fnhe_genid()
488 static inline void fnhe_genid_bump(struct net *net)  in fnhe_genid_bump()  argument
490 	atomic_inc(&net->fnhe_genid);  in fnhe_genid_bump()