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authorEric W. Biederman <ebiederm@xmission.com>2007-11-30 23:55:42 +1100
committerDavid S. Miller <davem@davemloft.net>2008-01-28 14:55:18 -0800
commit95bdfccb2bf4ea21c0065772c6a2c75cbaf6ad0d (patch)
tree779993b29b8e348e14497496f3c9d318fb0b0d0e /include/net/net_namespace.h
parente51b6ba077791f2f8c876022b37419be7a2ceec3 (diff)
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[NET]: Implement the per network namespace sysctl infrastructure
The user interface is: register_net_sysctl_table and unregister_net_sysctl_table. Very much like the current interface except there is a network namespace parameter. With this any sysctl registered with register_net_sysctl_table will only show up to tasks in the same network namespace. All other sysctls continue to be globally visible. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Cc: Serge Hallyn <serue@us.ibm.com> Cc: Daniel Lezcano <dlezcano@fr.ibm.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Cc: Pavel Emelyanov <xemul@openvz.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/net_namespace.h')
-rw-r--r--include/net/net_namespace.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 4d0d6349aa7e..235214c4c231 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -25,6 +25,8 @@ struct 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;
@@ -144,4 +146,11 @@ 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 */