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/ieee802154_6lowpan.h>
23 #include <net/netns/sctp.h>
24 #include <net/netns/dccp.h>
25 #include <net/netns/netfilter.h>
26 #include <net/netns/x_tables.h>
28 #include <net/netns/conntrack.h>
30 #include <net/netns/nftables.h>
31 #include <net/netns/xfrm.h>
32 #include <net/netns/mpls.h>
33 #include <net/netns/can.h>
51 struct net {  struct
65 						 * methods on dead net (  argument
169 extern struct net init_net;  argument
172 struct net *copy_net_ns(unsigned long flags, struct user_namespace *user_ns,
173 			struct net *old_net);
175 void net_ns_get_ownership(const struct net *net, kuid_t *uid, kgid_t *gid);
181 static inline struct net *copy_net_ns(unsigned long flags,  in copy_net_ns()
182 	struct user_namespace *user_ns, struct net *old_net)  in copy_net_ns()
189 static inline void net_ns_get_ownership(const struct net *net,  in net_ns_get_ownership()  argument
202 struct net *get_net_ns_by_pid(pid_t pid);
203 struct net *get_net_ns_by_fd(int fd);
214 void __put_net(struct net *net);
216 static inline struct net *get_net(struct net *net)  in get_net()  argument
218 	refcount_inc(&net->count);  in get_net()
219 	return net;  in get_net()
222 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
224 	/* Used when we know struct net exists but we  in maybe_get_net()
229 	if (!refcount_inc_not_zero(&net->count))  in maybe_get_net()
230 		net = NULL;  in maybe_get_net()
231 	return net;  in maybe_get_net()
234 static inline void put_net(struct net *net)  in put_net()  argument
236 	if (refcount_dec_and_test(&net->count))  in put_net()
237 		__put_net(net);  in put_net()
241 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
246 static inline int check_net(const struct net *net)  in check_net()  argument
248 	return refcount_read(&net->count) != 0;  in check_net()
255 static inline struct net *get_net(struct net *net)  in get_net()  argument
257 	return net;  in get_net()
260 static inline void put_net(struct net *net)  in put_net()  argument
264 static inline struct net *maybe_get_net(struct net *net)  in maybe_get_net()  argument
266 	return net;  in maybe_get_net()
270 int net_eq(const struct net *net1, const struct net *net2)  in net_eq()
275 static inline int check_net(const struct net *net)  in check_net()  argument
286 	struct net *net;  member
290 static inline void write_pnet(possible_net_t *pnet, struct net *net)  in write_pnet()  argument
293 	pnet->net = net;  in write_pnet()
297 static inline struct net *read_pnet(const possible_net_t *pnet)  in read_pnet()
300 	return pnet->net;  in read_pnet()
325 int peernet2id_alloc(struct net *net, struct net *peer, gfp_t gfp);
326 int peernet2id(struct net *net, struct net *peer);
327 bool peernet_has_id(struct net *net, struct net *peer);
328 struct net *get_net_ns_by_id(struct net *net, int id);
334 	 * More than one net may be constructed and destructed
345 	 * Then, destruction of a group of net requires single
347 	 * instead of separate synchronize_rcu() for every net.
350 	int (*init)(struct net *net);
351 	void (*exit)(struct net *net);
386 struct ctl_table_header *register_net_sysctl(struct net *net, const char *path,
391 static inline struct ctl_table_header *register_net_sysctl(struct net *net,  in register_net_sysctl()  argument
401 static inline int rt_genid_ipv4(struct net *net)  in rt_genid_ipv4()  argument
403 	return atomic_read(&net->ipv4.rt_genid);  in rt_genid_ipv4()
406 static inline void rt_genid_bump_ipv4(struct net *net)  in rt_genid_bump_ipv4()  argument
408 	atomic_inc(&net->ipv4.rt_genid);  in rt_genid_bump_ipv4()
411 extern void (*__fib6_flush_trees)(struct net *net);
412 static inline void rt_genid_bump_ipv6(struct net *net)  in rt_genid_bump_ipv6()  argument
415 		__fib6_flush_trees(net);  in rt_genid_bump_ipv6()
420 net_ieee802154_lowpan(struct net *net)  in net_ieee802154_lowpan()  argument
422 	return &net->ieee802154_lowpan;  in net_ieee802154_lowpan()
427 static inline void rt_genid_bump_all(struct net *net)  in rt_genid_bump_all()  argument
429 	rt_genid_bump_ipv4(net);  in rt_genid_bump_all()
430 	rt_genid_bump_ipv6(net);  in rt_genid_bump_all()
433 static inline int fnhe_genid(struct net *net)  in fnhe_genid()  argument
435 	return atomic_read(&net->fnhe_genid);  in fnhe_genid()
438 static inline void fnhe_genid_bump(struct net *net)  in fnhe_genid_bump()  argument
440 	atomic_inc(&net->fnhe_genid);  in fnhe_genid_bump()