From 05ea13b746e715f03c70e29068b650a62e5e5d79 Mon Sep 17 00:00:00 2001 From: florian Date: Thu, 14 Mar 2013 14:45:56 +0000 Subject: kernel: add support for 3.9-rc2 Signed-off-by: Florian Fainelli git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36008 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../644-bridge_optimize_netfilter_hooks.patch | 146 +++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 target/linux/generic/patches-3.9/644-bridge_optimize_netfilter_hooks.patch (limited to 'target/linux/generic/patches-3.9/644-bridge_optimize_netfilter_hooks.patch') diff --git a/target/linux/generic/patches-3.9/644-bridge_optimize_netfilter_hooks.patch b/target/linux/generic/patches-3.9/644-bridge_optimize_netfilter_hooks.patch new file mode 100644 index 000000000..177715829 --- /dev/null +++ b/target/linux/generic/patches-3.9/644-bridge_optimize_netfilter_hooks.patch @@ -0,0 +1,146 @@ +--- a/net/bridge/br_forward.c ++++ b/net/bridge/br_forward.c +@@ -57,7 +57,7 @@ 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); + + } +@@ -80,7 +80,7 @@ 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); + } + +@@ -101,7 +101,7 @@ 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 +@@ -52,7 +52,7 @@ 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); + } + +@@ -205,7 +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 { +@@ -230,7 +230,7 @@ forward: + if (ether_addr_equal(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_multicast.c ++++ b/net/bridge/br_multicast.c +@@ -781,7 +781,7 @@ 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 +@@ -73,6 +73,15 @@ static int brnf_pass_vlan_indev __read_m + #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 | ++ 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 +@@ -698,15 +698,29 @@ static inline u16 br_get_pvid(const stru + + /* 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 *); ++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 + ++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_stp_bpdu.c ++++ b/net/bridge/br_stp_bpdu.c +@@ -54,7 +54,7 @@ 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); + } + +--- a/net/bridge/netfilter/ebtables.c ++++ b/net/bridge/netfilter/ebtables.c +@@ -2407,11 +2407,13 @@ 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"); -- cgit v1.2.3