diff options
Diffstat (limited to 'target/linux/generic/patches-3.3')
| -rw-r--r-- | target/linux/generic/patches-3.3/644-bridge_optimize_netfilter_hooks.patch | 96 |
1 files changed, 71 insertions, 25 deletions
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 index c2c38271d..af793ee83 100644 --- 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 @@ -1,24 +1,6 @@ --- 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 +@@ -40,7 +40,7 @@ static int br_pass_frame_up(struct sk_bu indev = skb->dev; skb->dev = brdev; @@ -27,7 +9,7 @@ netif_receive_skb); } -@@ -194,7 +205,7 @@ rx_handler_result_t br_handle_frame(stru +@@ -194,7 +194,7 @@ rx_handler_result_t br_handle_frame(stru } /* Deliver packet to local host only */ @@ -36,7 +18,7 @@ NULL, br_handle_local_finish)) { return RX_HANDLER_CONSUMED; /* consumed by filter */ } else { -@@ -219,7 +230,7 @@ forward: +@@ -219,7 +219,7 @@ forward: if (!compare_ether_addr(p->br->dev->dev_addr, dest)) skb->pkt_type = PACKET_HOST; @@ -47,9 +29,9 @@ 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 +@@ -71,6 +71,11 @@ static int brnf_filter_pppoe_tagged __re + #define IS_ARP(skb) \ + (!vlan_tx_tag_present(skb) && skb->protocol == htons(ETH_P_ARP)) +bool br_netfilter_run_hooks(void) +{ @@ -61,7 +43,7 @@ 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 +@@ -492,12 +492,25 @@ 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 *); @@ -73,4 +55,68 @@ +#define br_netfilter_run_hooks() false #endif ++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); ++} ++ /* 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 + + skb_reset_mac_header(skb); + +- 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); + } + |