netfilter: netns ebtables: ebtable_broute in netns
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
diff --git a/include/net/netns/x_tables.h b/include/net/netns/x_tables.h
index b809397..055e684 100644
--- a/include/net/netns/x_tables.h
+++ b/include/net/netns/x_tables.h
@@ -4,7 +4,10 @@
#include <linux/list.h>
#include <linux/netfilter.h>
+struct ebt_table;
+
struct netns_xt {
struct list_head tables[NFPROTO_NUMPROTO];
+ struct ebt_table *broute_table;
};
#endif
diff --git a/net/bridge/netfilter/ebtable_broute.c b/net/bridge/netfilter/ebtable_broute.c
index 3277d68..8604dfc 100644
--- a/net/bridge/netfilter/ebtable_broute.c
+++ b/net/bridge/netfilter/ebtable_broute.c
@@ -41,33 +41,52 @@
return 0;
}
-static struct ebt_table __broute_table =
+static struct ebt_table broute_table =
{
.name = "broute",
.table = &initial_table,
.valid_hooks = 1 << NF_BR_BROUTING,
- .lock = __RW_LOCK_UNLOCKED(__broute_table.lock),
+ .lock = __RW_LOCK_UNLOCKED(broute_table.lock),
.check = check,
.me = THIS_MODULE,
};
-static struct ebt_table *broute_table;
static int ebt_broute(struct sk_buff *skb)
{
int ret;
ret = ebt_do_table(NF_BR_BROUTING, skb, skb->dev, NULL,
- broute_table);
+ dev_net(skb->dev)->xt.broute_table);
if (ret == NF_DROP)
return 1; /* route it */
return 0; /* bridge it */
}
+static int __net_init broute_net_init(struct net *net)
+{
+ net->xt.broute_table = ebt_register_table(net, &broute_table);
+ if (IS_ERR(net->xt.broute_table))
+ return PTR_ERR(net->xt.broute_table);
+ return 0;
+}
+
+static void __net_exit broute_net_exit(struct net *net)
+{
+ ebt_unregister_table(net->xt.broute_table);
+}
+
+static struct pernet_operations broute_net_ops = {
+ .init = broute_net_init,
+ .exit = broute_net_exit,
+};
+
static int __init ebtable_broute_init(void)
{
- broute_table = ebt_register_table(&init_net, &__broute_table);
- if (IS_ERR(broute_table))
- return PTR_ERR(broute_table);
+ int ret;
+
+ ret = register_pernet_subsys(&broute_net_ops);
+ if (ret < 0)
+ return ret;
/* see br_input.c */
rcu_assign_pointer(br_should_route_hook, ebt_broute);
return 0;
@@ -77,7 +96,7 @@
{
rcu_assign_pointer(br_should_route_hook, NULL);
synchronize_net();
- ebt_unregister_table(broute_table);
+ unregister_pernet_subsys(&broute_net_ops);
}
module_init(ebtable_broute_init);