From 95bdfccb2bf4ea21c0065772c6a2c75cbaf6ad0d Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Fri, 30 Nov 2007 23:55:42 +1100 Subject: [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 Cc: Serge Hallyn Cc: Daniel Lezcano Cc: Cedric Le Goater Cc: Pavel Emelyanov Signed-off-by: Herbert Xu Signed-off-by: David S. Miller --- include/net/net_namespace.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/net/net_namespace.h') diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 4d0d6349aa7..235214c4c23 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 */ -- cgit v1.2.3-70-g09d2