[NET]: Make /proc/net a symlink on /proc/self/net (v3)

[pandora-kernel.git] / include / net / net_namespace.h

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 5279466..923f2b8 100644 (file)
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -8,8 +8,17 @@
 #include <linux/workqueue.h>
 #include <linux/list.h>
 
+#include <net/netns/unix.h>
+#include <net/netns/packet.h>
+#include <net/netns/ipv4.h>
+#include <net/netns/ipv6.h>
+#include <net/netns/x_tables.h>
+
 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.
@@ -22,13 +31,34 @@ struct net {
 
        struct proc_dir_entry   *proc_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;
+
+       /* core fib_rules */
+       struct list_head        rules_ops;
+       spinlock_t              rules_mod_lock;
+
+       struct sock             *rtnl;                  /* rtnetlink socket */
+
+       /* core sysctls */
+       struct ctl_table_header *sysctl_core_hdr;
+       int                     sysctl_somaxconn;
+
+       struct netns_packet     packet;
+       struct netns_unix       unx;
+       struct netns_ipv4       ipv4;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+       struct netns_ipv6       ipv6;
+#endif
+#ifdef CONFIG_NETFILTER
+       struct netns_xt         xt;
+#endif
 };
 
 #ifdef CONFIG_NET
@@ -51,13 +81,12 @@ 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 +104,56 @@ 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 +167,11 @@ 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 */