Provide an IPv6 bridging script

git-svn-id: svn://svn.openwrt.org/openwrt/packages@9802 3c298f89-4303-0410-b956-a3cf2f4a3e73

ipv6/6tunnel/Makefile

@@ -53,8 +53,10 @@ define Package/6tunnel/install
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/6tunnel $(1)/usr/sbin/
 	$(INSTALL_DIR) $(1)/etc/config
 	$(INSTALL_DATA) ./files/6tunnel.conf $(1)/etc/config/6tunnel
+	$(INSTALL_DATA) ./files/6bridge.conf $(1)/etc/config/6bridge
 	$(INSTALL_DIR) $(1)/etc/init.d
 	$(INSTALL_BIN) ./files/6tunnel.init $(1)/etc/init.d/6tunnel
+	$(INSTALL_BIN) ./files/6bridge.init $(1)/etc/init.d/6bridge
 endef
 
 $(eval $(call BuildPackage,6tunnel))

ipv6/6tunnel/files/6bridge.conf

@@ -0,0 +1,2 @@
+config 6bridge
+	option bridge	'bripv6'	

ipv6/6tunnel/files/6bridge.init

@@ -0,0 +1,53 @@
+#!/bin/sh /etc/rc.common
+START=46
+STOP=46
+
+start_service() {
+	local section="$1"
+	
+	include /lib/network
+	scan_interfaces
+	config_load /var/state/network
+
+	config_get LAN lan ifname
+	config_get WAN wan ifname
+	config_get bridge "$section" bridge
+
+	brctl addbr $bridge
+	brctl addif $bridge $lan
+	brctl addif $bridge $wan
+	brctl setfd $bridge 0
+        ebtables -t broute -A BROUTING -i $wan -p ! ipv6 -j DROP
+        ifconfig $bridge up
+}
+
+stop_service() {
+        local section="$1"
+
+        include /lib/network
+        scan_interfaces
+        config_load /var/state/network
+
+        config_get LAN lan ifname
+        config_get WAN wan ifname
+        config_get bridge "$section" bridge
+
+        ifconfig $bridge down
+        ebtables -t broute -F
+        brctl delif $bridge $wan
+        brctl delif $bridge $lan
+        brctl delbr $bridge
+}
+start() {
+        if ! [ -f /proc/net/if_inet6 ]; then
+                echo "IPv6 not enabled, install kmod-ipv6";
+                exit 1;
+        fi
+        config_load "6bridge"
+        config_foreach start_service 6bridge
+}
+
+stop () {
+        config_load "6bridge"
+        config_foreach stop_service 6bridge
+}