X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Fnet_namespace.h;h=f97b2a4469ae2f46339b76fb9171bd2fc529583e;hb=cbbb90e68cd073b8d63b491166066e347902b7e9;hp=5279466606d2bb33625431c4d6f000ddbbbd9c29;hpb=0f5a2c553d1484141ebb369ecab61894e9cb074f;p=linux-2.6 diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 5279466606..f97b2a4469 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -10,6 +10,9 @@ struct proc_dir_entry; struct net_device; +struct sock; +struct ctl_table_header; + struct net { atomic_t count; /* To decided when the network * namespace should be freed. @@ -24,11 +27,23 @@ struct net { struct proc_dir_entry *proc_net_stat; struct proc_dir_entry *proc_net_root; + struct list_head sysctl_table_headers; + struct net_device *loopback_dev; /* The loopback */ struct list_head dev_base_head; struct hlist_head *dev_name_head; struct hlist_head *dev_index_head; + + struct sock *rtnl; /* rtnetlink socket */ + + /* List of all packet sockets. */ + rwlock_t packet_sklist_lock; + struct hlist_head packet_sklist; + + /* unix sockets */ + int sysctl_unix_max_dgram_qlen; + struct ctl_table_header *unix_ctl; }; #ifdef CONFIG_NET @@ -51,13 +66,12 @@ static inline struct net *copy_net_ns(unsigned long flags, struct net *net_ns) } #endif +#ifdef CONFIG_NET_NS extern void __put_net(struct net *net); static inline struct net *get_net(struct net *net) { -#ifdef CONFIG_NET atomic_inc(&net->count); -#endif return net; } @@ -75,36 +89,56 @@ static inline struct net *maybe_get_net(struct net *net) static inline void put_net(struct net *net) { -#ifdef CONFIG_NET if (atomic_dec_and_test(&net->count)) __put_net(net); -#endif } static inline struct net *hold_net(struct net *net) { -#ifdef CONFIG_NET atomic_inc(&net->use_count); -#endif return net; } static inline void release_net(struct net *net) { -#ifdef CONFIG_NET atomic_dec(&net->use_count); -#endif +} +#else +static inline struct net *get_net(struct net *net) +{ + return net; } +static inline void put_net(struct net *net) +{ +} + +static inline struct net *hold_net(struct net *net) +{ + return net; +} + +static inline void release_net(struct net *net) +{ +} + +static inline struct net *maybe_get_net(struct net *net) +{ + return net; +} +#endif + #define for_each_net(VAR) \ list_for_each_entry(VAR, &net_namespace_list, list) #ifdef CONFIG_NET_NS #define __net_init #define __net_exit +#define __net_initdata #else #define __net_init __init #define __net_exit __exit_refok +#define __net_initdata __initdata #endif struct pernet_operations { @@ -118,4 +152,11 @@ extern void unregister_pernet_subsys(struct pernet_operations *); extern int register_pernet_device(struct pernet_operations *); extern void unregister_pernet_device(struct pernet_operations *); +struct ctl_path; +struct ctl_table; +struct ctl_table_header; +extern struct ctl_table_header *register_net_sysctl_table(struct net *net, + const struct ctl_path *path, struct ctl_table *table); +extern void unregister_net_sysctl_table(struct ctl_table_header *header); + #endif /* __NET_NET_NAMESPACE_H */