kernel: restore ebtables functionality by running netfilter hooks when the ebtables...
authorFelix Fietkau <nbd@openwrt.org>
Thu, 29 Mar 2012 14:15:54 +0000 (14:15 +0000)
committerFelix Fietkau <nbd@openwrt.org>
Thu, 29 Mar 2012 14:15:54 +0000 (14:15 +0000)
SVN-Revision: 31141

target/linux/generic/patches-3.2/644-bridge_optimize_netfilter_hooks.patch
target/linux/generic/patches-3.3/644-bridge_optimize_netfilter_hooks.patch

index 9113985..6c3c3e5 100644 (file)
@@ -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)
        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 *);
                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");
index d2fdd61..3b02c5c 100644 (file)
@@ -1,3 +1,32 @@
+--- a/net/bridge/br_forward.c
++++ b/net/bridge/br_forward.c
+@@ -55,7 +55,7 @@ int br_dev_queue_push_xmit(struct sk_buf
+ int br_forward_finish(struct sk_buff *skb)
+ {
+-      return NF_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev,
++      return BR_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev,
+                      br_dev_queue_push_xmit);
+ }
+@@ -74,7 +74,7 @@ static void __br_deliver(const struct ne
+               return;
+       }
+-      NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
++      BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
+               br_forward_finish);
+ }
+@@ -91,7 +91,7 @@ static void __br_forward(const struct ne
+       skb->dev = to->dev;
+       skb_forward_csum(skb);
+-      NF_HOOK(NFPROTO_BRIDGE, NF_BR_FORWARD, skb, indev, skb->dev,
++      BR_HOOK(NFPROTO_BRIDGE, NF_BR_FORWARD, skb, indev, skb->dev,
+               br_forward_finish);
+ }
 --- a/net/bridge/br_input.c
 +++ b/net/bridge/br_input.c
 @@ -40,7 +40,7 @@ static int br_pass_frame_up(struct sk_bu
                        br_handle_frame_finish);
                break;
        default:
+--- a/net/bridge/br_multicast.c
++++ b/net/bridge/br_multicast.c
+@@ -827,7 +827,7 @@ static void __br_multicast_send_query(st
+       if (port) {
+               __skb_push(skb, sizeof(struct ethhdr));
+               skb->dev = port->dev;
+-              NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
++              BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
+                       dev_queue_xmit);
+       } else
+               netif_rx(skb);
 --- a/net/bridge/br_netfilter.c
 +++ b/net/bridge/br_netfilter.c
-@@ -71,6 +71,11 @@ static int brnf_filter_pppoe_tagged __re
+@@ -71,6 +71,15 @@ static int brnf_filter_pppoe_tagged __re
  #define IS_ARP(skb) \
        (!vlan_tx_tag_present(skb) && skb->protocol == htons(ETH_P_ARP))
  
++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)
        if (vlan_tx_tag_present(skb))
 --- a/net/bridge/br_private.h
 +++ b/net/bridge/br_private.h
-@@ -493,12 +493,25 @@ static inline bool br_multicast_is_route
+@@ -490,15 +490,29 @@ 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 *);
  /* br_stp.c */
  extern void br_log_state(const struct net_bridge_port *p);
  extern struct net_bridge_port *br_get_port(struct net_bridge *br,
---- a/net/bridge/br_forward.c
-+++ b/net/bridge/br_forward.c
-@@ -55,7 +55,7 @@ int br_dev_queue_push_xmit(struct sk_buf
- int br_forward_finish(struct sk_buff *skb)
- {
--      return NF_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev,
-+      return BR_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING, skb, NULL, skb->dev,
-                      br_dev_queue_push_xmit);
- }
-@@ -74,7 +74,7 @@ static void __br_deliver(const struct ne
-               return;
-       }
--      NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
-+      BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
-               br_forward_finish);
- }
-@@ -91,7 +91,7 @@ static void __br_forward(const struct ne
-       skb->dev = to->dev;
-       skb_forward_csum(skb);
--      NF_HOOK(NFPROTO_BRIDGE, NF_BR_FORWARD, skb, indev, skb->dev,
-+      BR_HOOK(NFPROTO_BRIDGE, NF_BR_FORWARD, skb, indev, skb->dev,
-               br_forward_finish);
- }
---- a/net/bridge/br_multicast.c
-+++ b/net/bridge/br_multicast.c
-@@ -827,7 +827,7 @@ static void __br_multicast_send_query(st
-       if (port) {
-               __skb_push(skb, sizeof(struct ethhdr));
-               skb->dev = port->dev;
--              NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
-+              BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_OUT, skb, NULL, skb->dev,
-                       dev_queue_xmit);
-       } else
-               netif_rx(skb);
 --- a/net/bridge/br_stp_bpdu.c
 +++ b/net/bridge/br_stp_bpdu.c
 @@ -52,7 +52,7 @@ static void br_send_bpdu(struct net_brid
                dev_queue_xmit);
  }
  
+--- a/net/bridge/netfilter/ebtables.c
++++ b/net/bridge/netfilter/ebtables.c
+@@ -2403,11 +2403,13 @@ 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");