From ff4c167e93eac3ccce3e550b38eb7f67ddc1fd71 Mon Sep 17 00:00:00 2001
From: Steven Barth <steven@midlink.org>
Date: Thu, 23 May 2013 10:14:04 +0000
Subject: [PATCH] Add DS-Lite support

---
 .../model/cbi/admin_network/proto_dslite.lua       | 62 +++++++++++++++++++++
 protocols/ipv6/luasrc/model/network/proto_4x6.lua  | 65 ++++++++++++++++++++++
 2 files changed, 127 insertions(+)
 create mode 100644 protocols/ipv6/luasrc/model/cbi/admin_network/proto_dslite.lua
 create mode 100644 protocols/ipv6/luasrc/model/network/proto_4x6.lua

diff --git a/protocols/ipv6/luasrc/model/cbi/admin_network/proto_dslite.lua b/protocols/ipv6/luasrc/model/cbi/admin_network/proto_dslite.lua
new file mode 100644
index 000000000..2d9e258c3
--- /dev/null
+++ b/protocols/ipv6/luasrc/model/cbi/admin_network/proto_dslite.lua
@@ -0,0 +1,62 @@
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2011 Jo-Philipp Wich <xm@subsignal.org>
+Copyright 2013 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+]]--
+
+local map, section, net = ...
+
+local peeraddr, ip6addr
+local tunlink, defaultroute, metric, ttl, mtu
+
+
+
+
+peeraddr = section:taboption("general", Value, "peeraddr",
+	translate("DS-Lite AFTR address"))
+
+peeraddr.rmempty  = false
+peeraddr.datatype = "ip6addr"
+
+ip6addr = section:taboption("general", Value, "ip6addr",
+	translate("Local IPv6 address"),
+	translate("Leave empty to use the current WAN address"))
+
+ip6addr.datatype = "ip6addr"
+
+
+tunlink = section:taboption("advanced", DynamicList, "tunlink", translate("Tunnel Link"))
+tunlink.template = "cbi/network_netlist"
+tunlink.nocreate = true
+
+
+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)"
diff --git a/protocols/ipv6/luasrc/model/network/proto_4x6.lua b/protocols/ipv6/luasrc/model/network/proto_4x6.lua
new file mode 100644
index 000000000..91adfa944
--- /dev/null
+++ b/protocols/ipv6/luasrc/model/network/proto_4x6.lua
@@ -0,0 +1,65 @@
+--[[
+LuCI - Network model - 6to4, 6in4 & 6rd protocol extensions
+
+Copyright 2011 Jo-Philipp Wich <xm@subsignal.org>
+Copyright 2013 Steven Barth <steven@midlink.org>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+]]--
+
+local netmod = luci.model.network
+
+local _, p
+for _, p in ipairs({"dslite"}) do
+
+	local proto = netmod:register_protocol(p)
+
+	function proto.get_i18n(self)
+		if p == "dslite" then
+			return luci.i18n.translate("Dual-Stack Lite (RFC6333)")
+		end
+	end
+
+	function proto.ifname(self)
+		return p .. "-" .. self.sid
+	end
+
+	function proto.opkg_package(self)
+		if p == "dslite" then
+			return "ds-lite"
+		end
+	end
+
+	function proto.is_installed(self)
+		return nixio.fs.access("/lib/netifd/proto/" .. p .. ".sh")
+	end
+
+	function proto.is_floating(self)
+		return true
+	end
+
+	function proto.is_virtual(self)
+		return true
+	end
+
+	function proto.get_interfaces(self)
+		return nil
+	end
+
+	function proto.contains_interface(self, ifname)
+		return (netmod:ifnameof(ifc) == self:ifname())
+	end
+
+	netmod:register_pattern_virtual("^%s-%%w" % p)
+end
-- 
2.11.0