diff options
| -rw-r--r-- | target/linux/generic/patches-3.2/644-bridge_optimize_netfilter_hooks.patch | 76 | ||||
| -rw-r--r-- | target/linux/generic/patches-3.3/644-bridge_optimize_netfilter_hooks.patch | 76 |
2 files changed, 152 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.2/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-3.2/644-bridge_optimize_netfilter_hooks.patch new file mode 100644 index 000000000..835d18dca --- /dev/null +++ b/target/linux/generic/patches-3.2/644-bridge_optimize_netfilter_hooks.patch @@ -0,0 +1,76 @@ +--- 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: diff --git a/target/linux/generic/patches-3.3/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-3.3/644-bridge_optimize_netfilter_hooks.patch new file mode 100644 index 000000000..c2c38271d --- /dev/null +++ b/target/linux/generic/patches-3.3/644-bridge_optimize_netfilter_hooks.patch @@ -0,0 +1,76 @@ +--- 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); + } + +@@ -194,7 +205,7 @@ 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 { +@@ -219,7 +230,7 @@ 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: +--- 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 +@@ -492,10 +492,12 @@ 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 */ |