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authorAlexey Dobriyan <adobriyan@gmail.com>2008-11-25 17:14:31 -0800
committerDavid S. Miller <davem@davemloft.net>2008-11-25 17:14:31 -0800
commitd62ddc21b674b5ac1466091ff3fbf7baa53bc92c (patch)
tree13e57abe023b5258b168e7f9108015a78493e481
parentc95839693d2a6612af7f75ad877012eba2f69757 (diff)
netns xfrm: add netns boilerplate
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/net/net_namespace.h4
-rw-r--r--include/net/netns/xfrm.h7
-rw-r--r--include/net/xfrm.h3
-rw-r--r--net/xfrm/xfrm_policy.c45
-rw-r--r--net/xfrm/xfrm_state.c7
5 files changed, 59 insertions, 7 deletions
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 319557789a4..6fc13d905c5 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -19,6 +19,7 @@
#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;
@@ -74,6 +75,9 @@ struct net {
struct netns_ct ct;
#endif
#endif
+#ifdef CONFIG_XFRM
+ struct netns_xfrm xfrm;
+#endif
struct net_generic *gen;
};
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
new file mode 100644
index 00000000000..1cb0024a3b4
--- /dev/null
+++ b/include/net/netns/xfrm.h
@@ -0,0 +1,7 @@
+#ifndef __NETNS_XFRM_H
+#define __NETNS_XFRM_H
+
+struct netns_xfrm {
+};
+
+#endif
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 45e11b3631e..9107d6f5c29 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1269,7 +1269,8 @@ struct xfrm6_tunnel {
extern void xfrm_init(void);
extern void xfrm4_init(void);
-extern void xfrm_state_init(void);
+extern int xfrm_state_init(struct net *net);
+extern void xfrm_state_fini(struct net *net);
extern void xfrm4_state_init(void);
#ifdef CONFIG_XFRM
extern int xfrm6_init(void);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index ea3456daa9c..8e7671b9e76 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2394,12 +2394,13 @@ static int __init xfrm_statistics_init(void)
}
#endif
-static void __init xfrm_policy_init(void)
+static int __net_init xfrm_policy_init(struct net *net)
{
unsigned int hmask, sz;
int dir;
- xfrm_dst_cache = kmem_cache_create("xfrm_dst_cache",
+ if (net_eq(net, &init_net))
+ xfrm_dst_cache = kmem_cache_create("xfrm_dst_cache",
sizeof(struct xfrm_dst),
0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
NULL);
@@ -2425,16 +2426,50 @@ static void __init xfrm_policy_init(void)
}
INIT_LIST_HEAD(&xfrm_policy_all);
- register_netdevice_notifier(&xfrm_dev_notifier);
+ if (net_eq(net, &init_net))
+ register_netdevice_notifier(&xfrm_dev_notifier);
+ return 0;
+}
+
+static void xfrm_policy_fini(struct net *net)
+{
}
+static int __net_init xfrm_net_init(struct net *net)
+{
+ int rv;
+
+ rv = xfrm_state_init(net);
+ if (rv < 0)
+ goto out_state;
+ rv = xfrm_policy_init(net);
+ if (rv < 0)
+ goto out_policy;
+ return 0;
+
+out_policy:
+ xfrm_state_fini(net);
+out_state:
+ return rv;
+}
+
+static void __net_exit xfrm_net_exit(struct net *net)
+{
+ xfrm_policy_fini(net);
+ xfrm_state_fini(net);
+}
+
+static struct pernet_operations __net_initdata xfrm_net_ops = {
+ .init = xfrm_net_init,
+ .exit = xfrm_net_exit,
+};
+
void __init xfrm_init(void)
{
+ register_pernet_subsys(&xfrm_net_ops);
#ifdef CONFIG_XFRM_STATISTICS
xfrm_statistics_init();
#endif
- xfrm_state_init();
- xfrm_policy_init();
xfrm_input_init();
#ifdef CONFIG_XFRM_STATISTICS
xfrm_proc_init();
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index cd9d9171ded..268fe3f9e49 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -2080,7 +2080,7 @@ error:
EXPORT_SYMBOL(xfrm_init_state);
-void __init xfrm_state_init(void)
+int __net_init xfrm_state_init(struct net *net)
{
unsigned int sz;
@@ -2094,6 +2094,11 @@ void __init xfrm_state_init(void)
xfrm_state_hmask = ((sz / sizeof(struct hlist_head)) - 1);
INIT_WORK(&xfrm_state_gc_work, xfrm_state_gc_task);
+ return 0;
+}
+
+void xfrm_state_fini(struct net *net)
+{
}
#ifdef CONFIG_AUDITSYSCALL