--- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -62,6 +62,11 @@ static int brnf_filter_pppoe_tagged __re #define brnf_filter_pppoe_tagged 0 #endif +bool br_netfilter_run_hooks(void) +{ + return brnf_call_iptables | brnf_call_ip6tables | brnf_call_arptables; +} + 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 @@ -491,10 +491,12 @@ static inline bool br_multicast_is_route extern int br_netfilter_init(void); extern void br_netfilter_fini(void); extern void br_netfilter_rtable_init(struct net_bridge *); +extern bool br_netfilter_run_hooks(void); #else #define br_netfilter_init() (0) #define br_netfilter_fini() do { } while(0) #define br_netfilter_rtable_init(x) +#define br_netfilter_run_hooks() false #endif /* br_stp.c */ --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -26,6 +26,17 @@ const u8 br_group_address[ETH_ALEN] = { br_should_route_hook_t __rcu *br_should_route_hook __read_mostly; EXPORT_SYMBOL(br_should_route_hook); +static inline int +BR_HOOK(uint8_t pf, unsigned int hook, struct sk_buff *skb, + struct net_device *in, struct net_device *out, + int (*okfn)(struct sk_buff *)) +{ + if (!br_netfilter_run_hooks()) + return okfn(skb); + + return NF_HOOK(pf, hook, skb, in, out, okfn); +} + static int br_pass_frame_up(struct sk_buff *skb) { struct net_device *indev, *brdev = BR_INPUT_SKB_CB(skb)->brdev; @@ -40,7 +51,7 @@ static int br_pass_frame_up(struct sk_bu indev = skb->dev; skb->dev = brdev; - return NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL, + return BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, indev, NULL, netif_receive_skb); } @@ -199,7 +210,7 @@ rx_handler_result_t br_handle_frame(stru } /* Deliver packet to local host only */ - if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev, + if (BR_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, skb, skb->dev, NULL, br_handle_local_finish)) { return RX_HANDLER_CONSUMED; /* consumed by filter */ } else { @@ -224,7 +235,7 @@ forward: if (!compare_ether_addr(p->br->dev->dev_addr, dest)) skb->pkt_type = PACKET_HOST; - NF_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING, skb, skb->dev, NULL, + BR_HOOK(NFPROTO_BRIDGE, NF_BR_PRE_ROUTING, skb, skb->dev, NULL, br_handle_frame_finish); break; default: