X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fnet%2Fnet_namespace.h;h=4d0d6349aa7ec4e3291884e9326afb1db0cd9b28;hb=7bc54c90307b4bc3d7fb2ffd6ad8fbda0671a45e;hp=5279466606d2bb33625431c4d6f000ddbbbd9c29;hpb=af0900537f90b58fcfb7a7c821c661be8301fc9b;p=linux-2.6 diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 5279466606..4d0d6349aa 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -10,6 +10,7 @@ struct proc_dir_entry; struct net_device; +struct sock; struct net { atomic_t count; /* To decided when the network * namespace should be freed. @@ -29,6 +30,12 @@ struct net { 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; }; #ifdef CONFIG_NET @@ -51,13 +58,12 @@ 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; } @@ -75,26 +81,44 @@ 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) @@ -102,9 +126,11 @@ static inline void release_net(struct net *net) #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 {