#include <linux/list.h>
struct proc_dir_entry;
+struct net_device;
struct net {
atomic_t count; /* To decided when the network
* namespace should be freed.
struct proc_dir_entry *proc_net_stat;
struct proc_dir_entry *proc_net_root;
+ 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;
}
#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;
}
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)
+{
}
-extern void net_lock(void);
-extern void net_unlock(void);
+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 {
struct list_head list;