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netns xfrm: add netns boilerplate 

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-11-25 17:14:31 -08:00 committed by David S. Miller
parent c95839693d
commit d62ddc21b6
5 changed files with 59 additions and 7 deletions
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4
include/net/net_namespace.h
View File

@ -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;
@ -73,6 +74,9 @@ struct net {
#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;
};

7
include/net/netns/xfrm.h Normal file
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@ -0,0 +1,7 @@
#ifndef __NETNS_XFRM_H
#define __NETNS_XFRM_H
struct netns_xfrm {
};
#endif

3
include/net/xfrm.h
View File

@ -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);

45
net/xfrm/xfrm_policy.c
View File

@ -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();

7
net/xfrm/xfrm_state.c
View File

@ -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