Add 6in4 gateway setting support

luci-proto-ipv6/luasrc/model/cbi/admin_network/proto_6rd.lua

@@ -0,0 +1,72 @@
+-- Copyright 2011-2012 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local map, section, net = ...
+
+local ipaddr, peeraddr, ip6addr, tunnelid, username, password
+local defaultroute, metric, ttl, mtu
+
+
+ipaddr = s:taboption("general", Value, "ipaddr",
+	translate("Local IPv4 address"),
+	translate("Leave empty to use the current WAN address"))
+
+ipaddr.datatype = "ip4addr"
+
+
+peeraddr = s:taboption("general", Value, "peeraddr",
+	translate("Remote IPv4 address"),
+	translate("This IPv4 address of the relay"))
+
+peeraddr.rmempty  = false
+peeraddr.datatype = "ip4addr"
+
+
+ip6addr = s:taboption("general", Value, "ip6prefix",
+	translate("IPv6 prefix"),
+	translate("The IPv6 prefix assigned to the provider, usually ends with <code>::</code>"))
+
+ip6addr.rmempty  = false
+ip6addr.datatype = "ip6addr"
+
+
+ip6prefixlen = s:taboption("general", Value, "ip6prefixlen",
+	translate("IPv6 prefix length"),
+	translate("The length of the IPv6 prefix in bits"))
+
+ip6prefixlen.placeholder = "16"
+ip6prefixlen.datatype    = "range(0,128)"
+
+
+ip6prefixlen = s:taboption("general", Value, "ip4prefixlen",
+	translate("IPv4 prefix length"),
+	translate("The length of the IPv4 prefix in bits, the remainder is used in the IPv6 addresses."))
+
+ip6prefixlen.placeholder = "0"
+ip6prefixlen.datatype    = "range(0,32)"
+
+
+
+defaultroute = section:taboption("advanced", Flag, "defaultroute",
+	translate("Default gateway"),
+	translate("If unchecked, no default route is configured"))
+
+defaultroute.default = defaultroute.enabled
+
+
+metric = section:taboption("advanced", Value, "metric",
+	translate("Use gateway metric"))
+
+metric.placeholder = "0"
+metric.datatype    = "uinteger"
+metric:depends("defaultroute", defaultroute.enabled)
+
+
+ttl = section:taboption("advanced", Value, "ttl", translate("Use TTL on tunnel interface"))
+ttl.placeholder = "64"
+ttl.datatype    = "range(1,255)"
+
+
+mtu = section:taboption("advanced", Value, "mtu", translate("Use MTU on tunnel interface"))
+mtu.placeholder = "1280"
+mtu.datatype    = "max(9200)"