[IPv4] RAW: Compact the API for the kernel

[linux-2.6] / include / net / net_namespace.h

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 13b0e3b547f09fec9dcbec224ba3ccd5e08906b6..4d0d6349aa7ec4e3291884e9326afb1db0cd9b28 100644 (file)
--- 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;
 }
 
@@ -75,33 +81,57 @@ 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;
 }
 
-extern void net_lock(void);
-extern void net_unlock(void);
+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 {
        struct list_head list;