netns xfrm: per-netns policy list
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 2a383c8..6648924 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -25,6 +25,8 @@
struct work_struct state_gc_work;
wait_queue_head_t km_waitq;
+
+ struct list_head policy_all;
};
#endif
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 3eccefa..aabc7f2 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -46,7 +46,6 @@
static DEFINE_RWLOCK(xfrm_policy_lock);
-static struct list_head xfrm_policy_all;
unsigned int xfrm_policy_count[XFRM_POLICY_MAX*2];
EXPORT_SYMBOL(xfrm_policy_count);
@@ -615,7 +614,7 @@
policy->curlft.use_time = 0;
if (!mod_timer(&policy->timer, jiffies + HZ))
xfrm_pol_hold(policy);
- list_add(&policy->walk.all, &xfrm_policy_all);
+ list_add(&policy->walk.all, &init_net.xfrm.policy_all);
write_unlock_bh(&xfrm_policy_lock);
if (delpol)
@@ -881,10 +880,10 @@
write_lock_bh(&xfrm_policy_lock);
if (list_empty(&walk->walk.all))
- x = list_first_entry(&xfrm_policy_all, struct xfrm_policy_walk_entry, all);
+ x = list_first_entry(&init_net.xfrm.policy_all, struct xfrm_policy_walk_entry, all);
else
x = list_entry(&walk->walk.all, struct xfrm_policy_walk_entry, all);
- list_for_each_entry_from(x, &xfrm_policy_all, all) {
+ list_for_each_entry_from(x, &init_net.xfrm.policy_all, all) {
if (x->dead)
continue;
pol = container_of(x, struct xfrm_policy, walk);
@@ -1086,7 +1085,7 @@
struct hlist_head *chain = policy_hash_bysel(&pol->selector,
pol->family, dir);
- list_add(&pol->walk.all, &xfrm_policy_all);
+ list_add(&pol->walk.all, &init_net.xfrm.policy_all);
hlist_add_head(&pol->bydst, chain);
hlist_add_head(&pol->byidx, xfrm_policy_byidx+idx_hash(pol->index));
xfrm_policy_count[dir]++;
@@ -2426,7 +2425,7 @@
panic("XFRM: failed to allocate bydst hash\n");
}
- INIT_LIST_HEAD(&xfrm_policy_all);
+ INIT_LIST_HEAD(&net->xfrm.policy_all);
if (net_eq(net, &init_net))
register_netdevice_notifier(&xfrm_dev_notifier);
return 0;
@@ -2434,6 +2433,7 @@
static void xfrm_policy_fini(struct net *net)
{
+ WARN_ON(!list_empty(&net->xfrm.policy_all));
}
static int __net_init xfrm_net_init(struct net *net)