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kernel: restore ebtables functionality by running netfilter hooks when the ebtables module is loaded

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31141 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2012-03-29 14:15:54 +00:00
parent 368d4af07e
commit 5ace2c89ed
2 changed files with 122 additions and 74 deletions
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30
target/linux/generic/patches-3.2/644-bridge_optimize_netfilter_hooks.patch
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@@ -1,12 +1,16 @@
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -62,6 +62,11 @@ static int brnf_filter_pppoe_tagged __re
@@ -62,6 +62,15 @@ static int brnf_filter_pppoe_tagged __re
#define brnf_filter_pppoe_tagged 0
#endif
+int brnf_call_ebtables __read_mostly = 0;
+EXPORT_SYMBOL_GPL(brnf_call_ebtables);
+
+bool br_netfilter_run_hooks(void)
+{
+ return brnf_call_iptables | brnf_call_ip6tables | brnf_call_arptables;
+ return brnf_call_iptables | brnf_call_ip6tables | brnf_call_arptables |
+ brnf_call_ebtables;
+}
+
static inline __be16 vlan_proto(const struct sk_buff *skb)
@@ -14,7 +18,11 @@
if (vlan_tx_tag_present(skb))
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -491,12 +491,25 @@ static inline bool br_multicast_is_route
@@ -488,15 +488,29 @@ static inline bool br_multicast_is_route
/* br_netfilter.c */
#ifdef CONFIG_BRIDGE_NETFILTER
+extern int brnf_call_ebtables;
extern int br_netfilter_init(void);
extern void br_netfilter_fini(void);
extern void br_netfilter_rtable_init(struct net_bridge *);
@@ -120,3 +128,19 @@
dev_queue_xmit);
}
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -2399,11 +2399,13 @@ static int __init ebtables_init(void)
}
printk(KERN_INFO "Ebtables v2.0 registered\n");
+ brnf_call_ebtables = 1;
return 0;
}
static void __exit ebtables_fini(void)
{
+ brnf_call_ebtables = 0;
nf_unregister_sockopt(&ebt_sockopts);
xt_unregister_target(&ebt_standard_target);
printk(KERN_INFO "Ebtables v2.0 unregistered\n");