X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fnet%2Fnet_namespace.h;h=6fc13d905c5ffaced2e1658038ab97934d61f42d;hb=faee47cdbfe8d74a1573c2f81ea6dbb08d735be6;hp=4d0d6349aa7ec4e3291884e9326afb1db0cd9b28;hpb=d12d01d6b4d197115c4d7736172b5b1ec8b1eb71;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 4d0d634..6fc13d9 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -8,22 +8,43 @@
 #include <linux/workqueue.h>
 #include <linux/list.h>
 
+#include <net/netns/core.h>
+#include <net/netns/mib.h>
+#include <net/netns/unix.h>
+#include <net/netns/packet.h>
+#include <net/netns/ipv4.h>
+#include <net/netns/ipv6.h>
+#include <net/netns/dccp.h>
+#include <net/netns/x_tables.h>
+#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#include <net/netns/conntrack.h>
+#endif
+#include <net/netns/xfrm.h>
+
 struct proc_dir_entry;
 struct net_device;
 struct sock;
+struct ctl_table_header;
+struct net_generic;
+
 struct net {
 	atomic_t		count;		/* To decided when the network
 						 *  namespace should be freed.
 						 */
+#ifdef NETNS_REFCNT_DEBUG
 	atomic_t		use_count;	/* To track references we
 						 * destroy on demand
 						 */
+#endif
 	struct list_head	list;		/* list of network namespaces */
 	struct work_struct	work;		/* work struct for freeing */
 
 	struct proc_dir_entry 	*proc_net;
 	struct proc_dir_entry 	*proc_net_stat;
-	struct proc_dir_entry 	*proc_net_root;
+
+#ifdef CONFIG_SYSCTL
+	struct ctl_table_set	sysctls;
+#endif
 
 	struct net_device       *loopback_dev;          /* The loopback */
 
@@ -31,36 +52,68 @@ struct net {
 	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 */
 
-	/* List of all packet sockets. */
-	rwlock_t		packet_sklist_lock;
-	struct hlist_head	packet_sklist;
+	struct netns_core	core;
+	struct netns_mib	mib;
+	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
+#if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
+	struct netns_dccp	dccp;
+#endif
+#ifdef CONFIG_NETFILTER
+	struct netns_xt		xt;
+#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+	struct netns_ct		ct;
+#endif
+#endif
+#ifdef CONFIG_XFRM
+	struct netns_xfrm	xfrm;
+#endif
+	struct net_generic	*gen;
 };
 
-#ifdef CONFIG_NET
+
+#include <linux/seq_file_net.h>
+
 /* Init's network namespace */
 extern struct net init_net;
-#define INIT_NET_NS(net_ns) .net_ns = &init_net,
-#else
-#define INIT_NET_NS(net_ns)
-#endif
-
-extern struct list_head net_namespace_list;
 
 #ifdef CONFIG_NET
+#define INIT_NET_NS(net_ns) .net_ns = &init_net,
+
 extern struct net *copy_net_ns(unsigned long flags, struct net *net_ns);
-#else
+
+#else /* CONFIG_NET */
+
+#define INIT_NET_NS(net_ns)
+
 static inline struct net *copy_net_ns(unsigned long flags, struct net *net_ns)
 {
 	/* There is nothing to copy so this is a noop */
 	return net_ns;
 }
-#endif
+#endif /* CONFIG_NET */
+
+
+extern struct list_head net_namespace_list;
 
 #ifdef CONFIG_NET_NS
 extern void __put_net(struct net *net);
 
+static inline int net_alive(struct net *net)
+{
+	return net && atomic_read(&net->count);
+}
+
 static inline struct net *get_net(struct net *net)
 {
 	atomic_inc(&net->count);
@@ -85,17 +138,18 @@ static inline void put_net(struct net *net)
 		__put_net(net);
 }
 
-static inline struct net *hold_net(struct net *net)
+static inline
+int net_eq(const struct net *net1, const struct net *net2)
 {
-	atomic_inc(&net->use_count);
-	return net;
+	return net1 == net2;
 }
+#else
 
-static inline void release_net(struct net *net)
+static inline int net_alive(struct net *net)
 {
-	atomic_dec(&net->use_count);
+	return 1;
 }
-#else
+
 static inline struct net *get_net(struct net *net)
 {
 	return net;
@@ -105,19 +159,60 @@ static inline void put_net(struct net *net)
 {
 }
 
+static inline struct net *maybe_get_net(struct net *net)
+{
+	return net;
+}
+
+static inline
+int net_eq(const struct net *net1, const struct net *net2)
+{
+	return 1;
+}
+#endif
+
+
+#ifdef NETNS_REFCNT_DEBUG
 static inline struct net *hold_net(struct net *net)
 {
+	if (net)
+		atomic_inc(&net->use_count);
 	return net;
 }
 
 static inline void release_net(struct net *net)
 {
+	if (net)
+		atomic_dec(&net->use_count);
 }
-
-static inline struct net *maybe_get_net(struct net *net)
+#else
+static inline struct net *hold_net(struct net *net)
 {
 	return net;
 }
+
+static inline void release_net(struct net *net)
+{
+}
+#endif
+
+#ifdef CONFIG_NET_NS
+
+static inline void write_pnet(struct net **pnet, struct net *net)
+{
+	*pnet = net;
+}
+
+static inline struct net *read_pnet(struct net * const *pnet)
+{
+	return *pnet;
+}
+
+#else
+
+#define write_pnet(pnet, net)	do { (void)(net);} while (0)
+#define read_pnet(pnet)		(&init_net)
+
 #endif
 
 #define for_each_net(VAR)				\
@@ -141,7 +236,21 @@ struct pernet_operations {
 
 extern int register_pernet_subsys(struct pernet_operations *);
 extern void unregister_pernet_subsys(struct pernet_operations *);
+extern int register_pernet_gen_subsys(int *id, struct pernet_operations *);
+extern void unregister_pernet_gen_subsys(int id, struct pernet_operations *);
 extern int register_pernet_device(struct pernet_operations *);
 extern void unregister_pernet_device(struct pernet_operations *);
+extern int register_pernet_gen_device(int *id, struct pernet_operations *);
+extern void unregister_pernet_gen_device(int id, 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 struct ctl_table_header *register_net_sysctl_rotable(
+	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 */