treewide: move templates and libraries not used by the core to luci-compat

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

16 files changed, 2739 insertions, 0 deletions

diff --git a/modules/luci-compat/luasrc/model/network.lua b/modules/luci-compat/luasrc/model/network.lua
new file mode 100644
index 0000000000..a36a23f321
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network.lua
@@ -0,0 +1,1912 @@
+-- Copyright 2009-2015 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local type, next, pairs, ipairs, loadfile, table, select
+	= type, next, pairs, ipairs, loadfile, table, select
+
+local tonumber, tostring, math = tonumber, tostring, math
+
+local pcall, require, setmetatable = pcall, require, setmetatable
+
+local nxo = require "nixio"
+local nfs = require "nixio.fs"
+local ipc = require "luci.ip"
+local utl = require "luci.util"
+local uci = require "luci.model.uci"
+local lng = require "luci.i18n"
+local jsc = require "luci.jsonc"
+
+module "luci.model.network"
+
+
+IFACE_PATTERNS_VIRTUAL  = { }
+IFACE_PATTERNS_IGNORE   = { "^wmaster%d", "^wifi%d", "^hwsim%d", "^imq%d", "^ifb%d", "^mon%.wlan%d", "^sit%d", "^gre%d", "^gretap%d", "^ip6gre%d", "^ip6tnl%d", "^tunl%d", "^lo$" }
+IFACE_PATTERNS_WIRELESS = { "^wlan%d", "^wl%d", "^ath%d", "^%w+%.network%d" }
+
+IFACE_ERRORS = {
+	CONNECT_FAILED			= lng.translate("Connection attempt failed"),
+	INVALID_ADDRESS			= lng.translate("IP address in invalid"),
+	INVALID_GATEWAY			= lng.translate("Gateway address is invalid"),
+	INVALID_LOCAL_ADDRESS	= lng.translate("Local IP address is invalid"),
+	MISSING_ADDRESS			= lng.translate("IP address is missing"),
+	MISSING_PEER_ADDRESS	= lng.translate("Peer address is missing"),
+	NO_DEVICE				= lng.translate("Network device is not present"),
+	NO_IFACE				= lng.translate("Unable to determine device name"),
+	NO_IFNAME				= lng.translate("Unable to determine device name"),
+	NO_WAN_ADDRESS			= lng.translate("Unable to determine external IP address"),
+	NO_WAN_LINK				= lng.translate("Unable to determine upstream interface"),
+	PEER_RESOLVE_FAIL		= lng.translate("Unable to resolve peer host name"),
+	PIN_FAILED				= lng.translate("PIN code rejected")
+}
+
+
+protocol = utl.class()
+
+local _protocols = { }
+
+local _interfaces, _bridge, _switch, _tunnel, _swtopo
+local _ubusnetcache, _ubusdevcache, _ubuswificache
+local _uci
+
+function _filter(c, s, o, r)
+	local val = _uci:get(c, s, o)
+	if val then
+		local l = { }
+		if type(val) == "string" then
+			for val in val:gmatch("%S+") do
+				if val ~= r then
+					l[#l+1] = val
+				end
+			end
+			if #l > 0 then
+				_uci:set(c, s, o, table.concat(l, " "))
+			else
+				_uci:delete(c, s, o)
+			end
+		elseif type(val) == "table" then
+			for _, val in ipairs(val) do
+				if val ~= r then
+					l[#l+1] = val
+				end
+			end
+			if #l > 0 then
+				_uci:set(c, s, o, l)
+			else
+				_uci:delete(c, s, o)
+			end
+		end
+	end
+end
+
+function _append(c, s, o, a)
+	local val = _uci:get(c, s, o) or ""
+	if type(val) == "string" then
+		local l = { }
+		for val in val:gmatch("%S+") do
+			if val ~= a then
+				l[#l+1] = val
+			end
+		end
+		l[#l+1] = a
+		_uci:set(c, s, o, table.concat(l, " "))
+	elseif type(val) == "table" then
+		local l = { }
+		for _, val in ipairs(val) do
+			if val ~= a then
+				l[#l+1] = val
+			end
+		end
+		l[#l+1] = a
+		_uci:set(c, s, o, l)
+	end
+end
+
+function _stror(s1, s2)
+	if not s1 or #s1 == 0 then
+		return s2 and #s2 > 0 and s2
+	else
+		return s1
+	end
+end
+
+function _get(c, s, o)
+	return _uci:get(c, s, o)
+end
+
+function _set(c, s, o, v)
+	if v ~= nil then
+		if type(v) == "boolean" then v = v and "1" or "0" end
+		return _uci:set(c, s, o, v)
+	else
+		return _uci:delete(c, s, o)
+	end
+end
+
+local function _wifi_state()
+	if not next(_ubuswificache) then
+		_ubuswificache = utl.ubus("network.wireless", "status", {}) or {}
+	end
+	return _ubuswificache
+end
+
+local function _wifi_state_by_sid(sid)
+	local t1, n1 = _uci:get("wireless", sid)
+	if t1 == "wifi-iface" and n1 ~= nil then
+		local radioname, radiostate
+		for radioname, radiostate in pairs(_wifi_state()) do
+			if type(radiostate) == "table" and
+			   type(radiostate.interfaces) == "table"
+			then
+				local netidx, netstate
+				for netidx, netstate in ipairs(radiostate.interfaces) do
+					if type(netstate) == "table" and
+					   type(netstate.section) == "string"
+					then
+						local t2, n2 = _uci:get("wireless", netstate.section)
+						if t1 == t2 and n1 == n2 then
+							return radioname, radiostate, netstate
+						end
+					end
+				end
+			end
+		end
+	end
+end
+
+local function _wifi_state_by_ifname(ifname)
+	if type(ifname) == "string" then
+		local radioname, radiostate
+		for radioname, radiostate in pairs(_wifi_state()) do
+			if type(radiostate) == "table" and
+			   type(radiostate.interfaces) == "table"
+			then
+				local netidx, netstate
+				for netidx, netstate in ipairs(radiostate.interfaces) do
+					if type(netstate) == "table" and
+					   type(netstate.ifname) == "string" and
+					   netstate.ifname == ifname
+					then
+						return radioname, radiostate, netstate
+					end
+				end
+			end
+		end
+	end
+end
+
+function _wifi_iface(x)
+	local _, p
+	for _, p in ipairs(IFACE_PATTERNS_WIRELESS) do
+		if x:match(p) then
+			return true
+		end
+	end
+	return false
+end
+
+local function _wifi_iwinfo_by_ifname(ifname, force_phy_only)
+	local stat, iwinfo = pcall(require, "iwinfo")
+	local iwtype = stat and type(ifname) == "string" and iwinfo.type(ifname)
+	local is_nonphy_op = {
+		bitrate     = true,
+		quality     = true,
+		quality_max = true,
+		mode        = true,
+		ssid        = true,
+		bssid       = true,
+		assoclist   = true,
+		encryption  = true
+	}
+
+	if iwtype then
+		-- if we got a type but no real netdev, we're referring to a phy
+		local phy_only = force_phy_only or (ipc.link(ifname).type ~= 1)
+
+		return setmetatable({}, {
+			__index = function(t, k)
+				if k == "ifname" then
+					return ifname
+				elseif phy_only and is_nonphy_op[k] then
+					return nil
+				elseif iwinfo[iwtype][k] then
+					return iwinfo[iwtype][k](ifname)
+				end
+			end
+		})
+	end
+end
+
+local function _wifi_sid_by_netid(netid)
+	if type(netid) == "string" then
+		local radioname, netidx = netid:match("^(%w+)%.network(%d+)$")
+		if radioname and netidx then
+			local i, n = 0, nil
+
+			netidx = tonumber(netidx)
+			_uci:foreach("wireless", "wifi-iface",
+				function(s)
+					if s.device == radioname then
+						i = i + 1
+						if i == netidx then
+							n = s[".name"]
+							return false
+						end
+					end
+				end)
+
+			return n
+		end
+	end
+end
+
+function _wifi_sid_by_ifname(ifn)
+	local sid = _wifi_sid_by_netid(ifn)
+	if sid then
+		return sid
+	end
+
+	local _, _, netstate = _wifi_state_by_ifname(ifn)
+	if netstate and type(netstate.section) == "string" then
+		return netstate.section
+	end
+end
+
+local function _wifi_netid_by_sid(sid)
+	local t, n = _uci:get("wireless", sid)
+	if t == "wifi-iface" and n ~= nil then
+		local radioname = _uci:get("wireless", n, "device")
+		if type(radioname) == "string" then
+			local i, netid = 0, nil
+
+			_uci:foreach("wireless", "wifi-iface",
+				function(s)
+					if s.device == radioname then
+						i = i + 1
+						if s[".name"] == n then
+							netid = "%s.network%d" %{ radioname, i }
+							return false
+						end
+					end
+				end)
+
+			return netid, radioname
+		end
+	end
+end
+
+local function _wifi_netid_by_netname(name)
+	local netid = nil
+
+	_uci:foreach("wireless", "wifi-iface",
+		function(s)
+			local net
+			for net in utl.imatch(s.network) do
+				if net == name then
+					netid = _wifi_netid_by_sid(s[".name"])
+					return false
+				end
+			end
+		end)
+
+	return netid
+end
+
+function _iface_virtual(x)
+	local _, p
+	for _, p in ipairs(IFACE_PATTERNS_VIRTUAL) do
+		if x:match(p) then
+			return true
+		end
+	end
+	return false
+end
+
+function _iface_ignore(x)
+	local _, p
+	for _, p in ipairs(IFACE_PATTERNS_IGNORE) do
+		if x:match(p) then
+			return true
+		end
+	end
+	return false
+end
+
+function init(cursor)
+	_uci = cursor or _uci or uci.cursor()
+
+	_interfaces = { }
+	_bridge     = { }
+	_switch     = { }
+	_tunnel     = { }
+	_swtopo     = { }
+
+	_ubusnetcache  = { }
+	_ubusdevcache  = { }
+	_ubuswificache = { }
+
+	-- read interface information
+	local n, i
+	for n, i in ipairs(nxo.getifaddrs()) do
+		local name = i.name:match("[^:]+")
+
+		if _iface_virtual(name) then
+			_tunnel[name] = true
+		end
+
+		if _tunnel[name] or not (_iface_ignore(name) or _iface_virtual(name)) then
+			_interfaces[name] = _interfaces[name] or {
+				idx      = i.ifindex or n,
+				name     = name,
+				rawname  = i.name,
+				flags    = { },
+				ipaddrs  = { },
+				ip6addrs = { }
+			}
+
+			if i.family == "packet" then
+				_interfaces[name].flags   = i.flags
+				_interfaces[name].stats   = i.data
+				_interfaces[name].macaddr = ipc.checkmac(i.addr)
+			elseif i.family == "inet" then
+				_interfaces[name].ipaddrs[#_interfaces[name].ipaddrs+1] = ipc.IPv4(i.addr, i.netmask)
+			elseif i.family == "inet6" then
+				_interfaces[name].ip6addrs[#_interfaces[name].ip6addrs+1] = ipc.IPv6(i.addr, i.netmask)
+			end
+		end
+	end
+
+	-- read bridge informaton
+	local b, l
+	for l in utl.execi("brctl show") do
+		if not l:match("STP") then
+			local r = utl.split(l, "%s+", nil, true)
+			if #r == 4 then
+				b = {
+					name    = r[1],
+					id      = r[2],
+					stp     = r[3] == "yes",
+					ifnames = { _interfaces[r[4]] }
+				}
+				if b.ifnames[1] then
+					b.ifnames[1].bridge = b
+				end
+				_bridge[r[1]] = b
+			elseif b then
+				b.ifnames[#b.ifnames+1] = _interfaces[r[2]]
+				b.ifnames[#b.ifnames].bridge = b
+			end
+		end
+	end
+
+	-- read switch topology
+	local boardinfo = jsc.parse(nfs.readfile("/etc/board.json") or "")
+	if type(boardinfo) == "table" and type(boardinfo.switch) == "table" then
+		local switch, layout
+		for switch, layout in pairs(boardinfo.switch) do
+			if type(layout) == "table" and type(layout.ports) == "table" then
+				local _, port
+				local ports = { }
+				local nports = { }
+				local netdevs = { }
+
+				for _, port in ipairs(layout.ports) do
+					if type(port) == "table" and
+					   type(port.num) == "number" and
+					   (type(port.role) == "string" or
+					    type(port.device) == "string")
+					then
+						local spec = {
+							num    = port.num,
+							role   = port.role or "cpu",
+							index  = port.index or port.num
+						}
+
+						if port.device then
+							spec.device = port.device
+							spec.tagged = port.need_tag
+							netdevs[tostring(port.num)] = port.device
+						end
+
+						ports[#ports+1] = spec
+
+						if port.role then
+							nports[port.role] = (nports[port.role] or 0) + 1
+						end
+					end
+				end
+
+				table.sort(ports, function(a, b)
+					if a.role ~= b.role then
+						return (a.role < b.role)
+					end
+
+					return (a.index < b.index)
+				end)
+
+				local pnum, role
+				for _, port in ipairs(ports) do
+					if port.role ~= role then
+						role = port.role
+						pnum = 1
+					end
+
+					if role == "cpu" then
+						port.label = "CPU (%s)" % port.device
+					elseif nports[role] > 1 then
+						port.label = "%s %d" %{ role:upper(), pnum }
+						pnum = pnum + 1
+					else
+						port.label = role:upper()
+					end
+
+					port.role = nil
+					port.index = nil
+				end
+
+				_swtopo[switch] = {
+					ports = ports,
+					netdevs = netdevs
+				}
+			end
+		end
+	end
+
+	return _M
+end
+
+function save(self, ...)
+	_uci:save(...)
+	_uci:load(...)
+end
+
+function commit(self, ...)
+	_uci:commit(...)
+	_uci:load(...)
+end
+
+function ifnameof(self, x)
+	if utl.instanceof(x, interface) then
+		return x:name()
+	elseif utl.instanceof(x, protocol) then
+		return x:ifname()
+	elseif type(x) == "string" then
+		return x:match("^[^:]+")
+	end
+end
+
+function get_protocol(self, protoname, netname)
+	local v = _protocols[protoname]
+	if v then
+		return v(netname or "__dummy__")
+	end
+end
+
+function get_protocols(self)
+	local p = { }
+	local _, v
+	for _, v in ipairs(_protocols) do
+		p[#p+1] = v("__dummy__")
+	end
+	return p
+end
+
+function register_protocol(self, protoname)
+	local proto = utl.class(protocol)
+
+	function proto.__init__(self, name)
+		self.sid = name
+	end
+
+	function proto.proto(self)
+		return protoname
+	end
+
+	_protocols[#_protocols+1] = proto
+	_protocols[protoname]     = proto
+
+	return proto
+end
+
+function register_pattern_virtual(self, pat)
+	IFACE_PATTERNS_VIRTUAL[#IFACE_PATTERNS_VIRTUAL+1] = pat
+end
+
+function register_error_code(self, code, message)
+	if type(code) == "string" and
+	   type(message) == "string" and
+	   not IFACE_ERRORS[code]
+	then
+		IFACE_ERRORS[code] = message
+		return true
+	end
+
+	return false
+end
+
+function has_ipv6(self)
+	return nfs.access("/proc/net/ipv6_route")
+end
+
+function add_network(self, n, options)
+	local oldnet = self:get_network(n)
+	if n and #n > 0 and n:match("^[a-zA-Z0-9_]+$") and not oldnet then
+		if _uci:section("network", "interface", n, options) then
+			return network(n)
+		end
+	elseif oldnet and oldnet:is_empty() then
+		if options then
+			local k, v
+			for k, v in pairs(options) do
+				oldnet:set(k, v)
+			end
+		end
+		return oldnet
+	end
+end
+
+function get_network(self, n)
+	if n and _uci:get("network", n) == "interface" then
+		return network(n)
+	elseif n then
+		local stat = utl.ubus("network.interface", "status", { interface = n })
+		if type(stat) == "table" and
+		   type(stat.proto) == "string"
+		then
+			return network(n, stat.proto)
+		end
+	end
+end
+
+function get_networks(self)
+	local nets = { }
+	local nls = { }
+
+	_uci:foreach("network", "interface",
+		function(s)
+			nls[s['.name']] = network(s['.name'])
+		end)
+
+	local dump = utl.ubus("network.interface", "dump", { })
+	if type(dump) == "table" and
+	   type(dump.interface) == "table"
+	then
+		local _, net
+		for _, net in ipairs(dump.interface) do
+			if type(net) == "table" and
+			   type(net.proto) == "string" and
+			   type(net.interface) == "string"
+			then
+				if not nls[net.interface] then
+					nls[net.interface] = network(net.interface, net.proto)
+				end
+			end
+		end
+	end
+
+	local n
+	for n in utl.kspairs(nls) do
+		nets[#nets+1] = nls[n]
+	end
+
+	return nets
+end
+
+function del_network(self, n)
+	local r = _uci:delete("network", n)
+	if r then
+		_uci:delete_all("luci", "ifstate",
+			function(s) return (s.interface == n) end)
+
+		_uci:delete_all("network", "alias",
+			function(s) return (s.interface == n) end)
+
+		_uci:delete_all("network", "route",
+			function(s) return (s.interface == n) end)
+
+		_uci:delete_all("network", "route6",
+			function(s) return (s.interface == n) end)
+
+		_uci:foreach("wireless", "wifi-iface",
+			function(s)
+				local net
+				local rest = { }
+				for net in utl.imatch(s.network) do
+					if net ~= n then
+						rest[#rest+1] = net
+					end
+				end
+				if #rest > 0 then
+					_uci:set("wireless", s['.name'], "network",
+					              table.concat(rest, " "))
+				else
+					_uci:delete("wireless", s['.name'], "network")
+				end
+			end)
+
+		local ok, fw = pcall(require, "luci.model.firewall")
+		if ok then
+			fw.init()
+			fw:del_network(n)
+		end
+	end
+	return r
+end
+
+function rename_network(self, old, new)
+	local r
+	if new and #new > 0 and new:match("^[a-zA-Z0-9_]+$") and not self:get_network(new) then
+		r = _uci:section("network", "interface", new, _uci:get_all("network", old))
+
+		if r then
+			_uci:foreach("network", "alias",
+				function(s)
+					if s.interface == old then
+						_uci:set("network", s['.name'], "interface", new)
+					end
+				end)
+
+			_uci:foreach("network", "route",
+				function(s)
+					if s.interface == old then
+						_uci:set("network", s['.name'], "interface", new)
+					end
+				end)
+
+			_uci:foreach("network", "route6",
+				function(s)
+					if s.interface == old then
+						_uci:set("network", s['.name'], "interface", new)
+					end
+				end)
+
+			_uci:foreach("wireless", "wifi-iface",
+				function(s)
+					local net
+					local list = { }
+					for net in utl.imatch(s.network) do
+						if net == old then
+							list[#list+1] = new
+						else
+							list[#list+1] = net
+						end
+					end
+					if #list > 0 then
+						_uci:set("wireless", s['.name'], "network",
+						              table.concat(list, " "))
+					end
+				end)
+
+			_uci:delete("network", old)
+		end
+	end
+	return r or false
+end
+
+function get_interface(self, i)
+	if _interfaces[i] or _wifi_iface(i) then
+		return interface(i)
+	else
+		local netid = _wifi_netid_by_sid(i)
+		return netid and interface(netid)
+	end
+end
+
+function get_interfaces(self)
+	local iface
+	local ifaces = { }
+	local nfs = { }
+
+	-- find normal interfaces
+	_uci:foreach("network", "interface",
+		function(s)
+			for iface in utl.imatch(s.ifname) do
+				if not _iface_ignore(iface) and not _iface_virtual(iface) and not _wifi_iface(iface) then
+					nfs[iface] = interface(iface)
+				end
+			end
+		end)
+
+	for iface in utl.kspairs(_interfaces) do
+		if not (nfs[iface] or _iface_ignore(iface) or _iface_virtual(iface) or _wifi_iface(iface)) then
+			nfs[iface] = interface(iface)
+		end
+	end
+
+	-- find vlan interfaces
+	_uci:foreach("network", "switch_vlan",
+		function(s)
+			if type(s.ports) ~= "string" or
+			   type(s.device) ~= "string" or
+			   type(_swtopo[s.device]) ~= "table"
+			then
+				return
+			end
+
+			local pnum, ptag
+			for pnum, ptag in s.ports:gmatch("(%d+)([tu]?)") do
+				local netdev = _swtopo[s.device].netdevs[pnum]
+				if netdev then
+					if not nfs[netdev] then
+						nfs[netdev] = interface(netdev)
+					end
+					_switch[netdev] = true
+
+					if ptag == "t" then
+						local vid = tonumber(s.vid or s.vlan)
+						if vid ~= nil and vid >= 0 and vid <= 4095 then
+							local iface = "%s.%d" %{ netdev, vid }
+							if not nfs[iface] then
+								nfs[iface] = interface(iface)
+							end
+							_switch[iface] = true
+						end
+					end
+				end
+			end
+		end)
+
+	for iface in utl.kspairs(nfs) do
+		ifaces[#ifaces+1] = nfs[iface]
+	end
+
+	-- find wifi interfaces
+	local num = { }
+	local wfs = { }
+	_uci:foreach("wireless", "wifi-iface",
+		function(s)
+			if s.device then
+				num[s.device] = num[s.device] and num[s.device] + 1 or 1
+				local i = "%s.network%d" %{ s.device, num[s.device] }
+				wfs[i] = interface(i)
+			end
+		end)
+
+	for iface in utl.kspairs(wfs) do
+		ifaces[#ifaces+1] = wfs[iface]
+	end
+
+	return ifaces
+end
+
+function ignore_interface(self, x)
+	return _iface_ignore(x)
+end
+
+function get_wifidev(self, dev)
+	if _uci:get("wireless", dev) == "wifi-device" then
+		return wifidev(dev)
+	end
+end
+
+function get_wifidevs(self)
+	local devs = { }
+	local wfd  = { }
+
+	_uci:foreach("wireless", "wifi-device",
+		function(s) wfd[#wfd+1] = s['.name'] end)
+
+	local dev
+	for _, dev in utl.vspairs(wfd) do
+		devs[#devs+1] = wifidev(dev)
+	end
+
+	return devs
+end
+
+function get_wifinet(self, net)
+	local wnet = _wifi_sid_by_ifname(net)
+	if wnet then
+		return wifinet(wnet)
+	end
+end
+
+function add_wifinet(self, net, options)
+	if type(options) == "table" and options.device and
+		_uci:get("wireless", options.device) == "wifi-device"
+	then
+		local wnet = _uci:section("wireless", "wifi-iface", nil, options)
+		return wifinet(wnet)
+	end
+end
+
+function del_wifinet(self, net)
+	local wnet = _wifi_sid_by_ifname(net)
+	if wnet then
+		_uci:delete("wireless", wnet)
+		return true
+	end
+	return false
+end
+
+function get_status_by_route(self, addr, mask)
+	local route_statuses = { }
+	local _, object
+	for _, object in ipairs(utl.ubus()) do
+		local net = object:match("^network%.interface%.(.+)")
+		if net then
+			local s = utl.ubus(object, "status", {})
+			if s and s.route then
+				local rt
+				for _, rt in ipairs(s.route) do
+					if not rt.table and rt.target == addr and rt.mask == mask then
+						route_statuses[net] = s
+					end
+				end
+			end
+		end
+	end
+
+	return route_statuses
+end
+
+function get_status_by_address(self, addr)
+	local _, object
+	for _, object in ipairs(utl.ubus()) do
+		local net = object:match("^network%.interface%.(.+)")
+		if net then
+			local s = utl.ubus(object, "status", {})
+			if s and s['ipv4-address'] then
+				local a
+				for _, a in ipairs(s['ipv4-address']) do
+					if a.address == addr then
+						return net, s
+					end
+				end
+			end
+			if s and s['ipv6-address'] then
+				local a
+				for _, a in ipairs(s['ipv6-address']) do
+					if a.address == addr then
+						return net, s
+					end
+				end
+			end
+			if s and s['ipv6-prefix-assignment'] then
+				local a
+				for _, a in ipairs(s['ipv6-prefix-assignment']) do
+					if a and a['local-address'] and a['local-address'].address == addr then
+						return net, s
+					end
+				end
+			end
+		end
+	end
+end
+
+function get_wan_networks(self)
+	local k, v
+	local wan_nets = { }
+	local route_statuses = self:get_status_by_route("0.0.0.0", 0)
+
+	for k, v in pairs(route_statuses) do
+		wan_nets[#wan_nets+1] = network(k, v.proto)
+	end
+
+	return wan_nets
+end
+
+function get_wan6_networks(self)
+	local k, v
+	local wan6_nets = { }
+	local route_statuses = self:get_status_by_route("::", 0)
+
+	for k, v in pairs(route_statuses) do
+		wan6_nets[#wan6_nets+1] = network(k, v.proto)
+	end
+
+	return wan6_nets
+end
+
+function get_switch_topologies(self)
+	return _swtopo
+end
+
+
+function network(name, proto)
+	if name then
+		local p = proto or _uci:get("network", name, "proto")
+		local c = p and _protocols[p] or protocol
+		return c(name)
+	end
+end
+
+function protocol.__init__(self, name)
+	self.sid = name
+end
+
+function protocol._get(self, opt)
+	local v = _uci:get("network", self.sid, opt)
+	if type(v) == "table" then
+		return table.concat(v, " ")
+	end
+	return v or ""
+end
+
+function protocol._ubus(self, field)
+	if not _ubusnetcache[self.sid] then
+		_ubusnetcache[self.sid] = utl.ubus("network.interface.%s" % self.sid,
+		                                   "status", { })
+	end
+	if _ubusnetcache[self.sid] and field then
+		return _ubusnetcache[self.sid][field]
+	end
+	return _ubusnetcache[self.sid]
+end
+
+function protocol.get(self, opt)
+	return _get("network", self.sid, opt)
+end
+
+function protocol.set(self, opt, val)
+	return _set("network", self.sid, opt, val)
+end
+
+function protocol.ifname(self)
+	local ifname
+	if self:is_floating() then
+		ifname = self:_ubus("l3_device")
+	else
+		ifname = self:_ubus("device")
+	end
+	if not ifname then
+		ifname = _wifi_netid_by_netname(self.sid)
+	end
+	return ifname
+end
+
+function protocol.proto(self)
+	return "none"
+end
+
+function protocol.get_i18n(self)
+	local p = self:proto()
+	if p == "none" then
+		return lng.translate("Unmanaged")
+	elseif p == "static" then
+		return lng.translate("Static address")
+	elseif p == "dhcp" then
+		return lng.translate("DHCP client")
+	else
+		return lng.translate("Unknown")
+	end
+end
+
+function protocol.type(self)
+	return self:_get("type")
+end
+
+function protocol.name(self)
+	return self.sid
+end
+
+function protocol.uptime(self)
+	return self:_ubus("uptime") or 0
+end
+
+function protocol.expires(self)
+	local u = self:_ubus("uptime")
+	local d = self:_ubus("data")
+
+	if type(u) == "number" and type(d) == "table" and
+	   type(d.leasetime) == "number"
+	then
+		local r = (d.leasetime - (u % d.leasetime))
+		return r > 0 and r or 0
+	end
+
+	return -1
+end
+
+function protocol.metric(self)
+	return self:_ubus("metric") or 0
+end
+
+function protocol.zonename(self)
+	local d = self:_ubus("data")
+
+	if type(d) == "table" and type(d.zone) == "string" then
+		return d.zone
+	end
+
+	return nil
+end
+
+function protocol.ipaddr(self)
+	local addrs = self:_ubus("ipv4-address")
+	return addrs and #addrs > 0 and addrs[1].address
+end
+
+function protocol.ipaddrs(self)
+	local addrs = self:_ubus("ipv4-address")
+	local rv = { }
+
+	if type(addrs) == "table" then
+		local n, addr
+		for n, addr in ipairs(addrs) do
+			rv[#rv+1] = "%s/%d" %{ addr.address, addr.mask }
+		end
+	end
+
+	return rv
+end
+
+function protocol.netmask(self)
+	local addrs = self:_ubus("ipv4-address")
+	return addrs and #addrs > 0 and
+		ipc.IPv4("0.0.0.0/%d" % addrs[1].mask):mask():string()
+end
+
+function protocol.gwaddr(self)
+	local _, route
+	for _, route in ipairs(self:_ubus("route") or { }) do
+		if route.target == "0.0.0.0" and route.mask == 0 then
+			return route.nexthop
+		end
+	end
+end
+
+function protocol.dnsaddrs(self)
+	local dns = { }
+	local _, addr
+	for _, addr in ipairs(self:_ubus("dns-server") or { }) do
+		if not addr:match(":") then
+			dns[#dns+1] = addr
+		end
+	end
+	return dns
+end
+
+function protocol.ip6addr(self)
+	local addrs = self:_ubus("ipv6-address")
+	if addrs and #addrs > 0 then
+		return "%s/%d" %{ addrs[1].address, addrs[1].mask }
+	else
+		addrs = self:_ubus("ipv6-prefix-assignment")
+		if addrs and #addrs > 0 then
+			return "%s/%d" %{ addrs[1].address, addrs[1].mask }
+		end
+	end
+end
+
+function protocol.ip6addrs(self)
+	local addrs = self:_ubus("ipv6-address")
+	local rv = { }
+	local n, addr
+
+	if type(addrs) == "table" then
+		for n, addr in ipairs(addrs) do
+			rv[#rv+1] = "%s/%d" %{ addr.address, addr.mask }
+		end
+	end
+
+	addrs = self:_ubus("ipv6-prefix-assignment")
+
+	if type(addrs) == "table" then
+		for n, addr in ipairs(addrs) do
+			if type(addr["local-address"]) == "table" and
+			   type(addr["local-address"].mask) == "number" and
+			   type(addr["local-address"].address) == "string"
+			then
+				rv[#rv+1] = "%s/%d" %{
+					addr["local-address"].address,
+					addr["local-address"].mask
+				}
+			end
+		end
+	end
+
+	return rv
+end
+
+function protocol.gw6addr(self)
+	local _, route
+	for _, route in ipairs(self:_ubus("route") or { }) do
+		if route.target == "::" and route.mask == 0 then
+			return ipc.IPv6(route.nexthop):string()
+		end
+	end
+end
+
+function protocol.dns6addrs(self)
+	local dns = { }
+	local _, addr
+	for _, addr in ipairs(self:_ubus("dns-server") or { }) do
+		if addr:match(":") then
+			dns[#dns+1] = addr
+		end
+	end
+	return dns
+end
+
+function protocol.ip6prefix(self)
+	local prefix = self:_ubus("ipv6-prefix")
+	if prefix and #prefix > 0 then
+		return "%s/%d" %{ prefix[1].address, prefix[1].mask }
+	end
+end
+
+function protocol.errors(self)
+	local _, err, rv
+	local errors = self:_ubus("errors")
+	if type(errors) == "table" then
+		for _, err in ipairs(errors) do
+			if type(err) == "table" and
+			   type(err.code) == "string"
+			then
+				rv = rv or { }
+				rv[#rv+1] = IFACE_ERRORS[err.code] or lng.translatef("Unknown error (%s)", err.code)
+			end
+		end
+	end
+	return rv
+end
+
+function protocol.is_bridge(self)
+	return (not self:is_virtual() and self:type() == "bridge")
+end
+
+function protocol.opkg_package(self)
+	return nil
+end
+
+function protocol.is_installed(self)
+	return true
+end
+
+function protocol.is_virtual(self)
+	return false
+end
+
+function protocol.is_floating(self)
+	return false
+end
+
+function protocol.is_dynamic(self)
+	return (self:_ubus("dynamic") == true)
+end
+
+function protocol.is_auto(self)
+	return (self:_get("auto") ~= "0")
+end
+
+function protocol.is_alias(self)
+	local ifn, parent = nil, nil
+
+	for ifn in utl.imatch(_uci:get("network", self.sid, "ifname")) do
+		if #ifn > 1 and ifn:byte(1) == 64 then
+			parent = ifn:sub(2)
+		elseif parent ~= nil then
+			parent = nil
+		end
+	end
+
+	return parent
+end
+
+function protocol.is_empty(self)
+	if self:is_floating() then
+		return false
+	else
+		local empty = true
+
+		if (self:_get("ifname") or ""):match("%S+") then
+			empty = false
+		end
+
+		if empty and _wifi_netid_by_netname(self.sid) then
+			empty = false
+		end
+
+		return empty
+	end
+end
+
+function protocol.is_up(self)
+	return (self:_ubus("up") == true)
+end
+
+function protocol.add_interface(self, ifname)
+	ifname = _M:ifnameof(ifname)
+	if ifname and not self:is_floating() then
+		-- if its a wifi interface, change its network option
+		local wif = _wifi_sid_by_ifname(ifname)
+		if wif then
+			_append("wireless", wif, "network", self.sid)
+
+		-- add iface to our iface list
+		else
+			_append("network", self.sid, "ifname", ifname)
+		end
+	end
+end
+
+function protocol.del_interface(self, ifname)
+	ifname = _M:ifnameof(ifname)
+	if ifname and not self:is_floating() then
+		-- if its a wireless interface, clear its network option
+		local wif = _wifi_sid_by_ifname(ifname)
+		if wif then _filter("wireless", wif, "network", self.sid) end
+
+		-- remove the interface
+		_filter("network", self.sid, "ifname", ifname)
+	end
+end
+
+function protocol.get_interface(self)
+	if self:is_virtual() then
+		_tunnel[self:proto() .. "-" .. self.sid] = true
+		return interface(self:proto() .. "-" .. self.sid, self)
+	elseif self:is_bridge() then
+		_bridge["br-" .. self.sid] = true
+		return interface("br-" .. self.sid, self)
+	else
+		local ifn = self:_ubus("l3_device") or self:_ubus("device")
+		if ifn then
+			return interface(ifn, self)
+		end
+
+		for ifn in utl.imatch(_uci:get("network", self.sid, "ifname")) do
+			ifn = ifn:match("^[^:/]+")
+			return ifn and interface(ifn, self)
+		end
+
+		ifn = _wifi_netid_by_netname(self.sid)
+		return ifn and interface(ifn, self)
+	end
+end
+
+function protocol.get_interfaces(self)
+	if self:is_bridge() or (self:is_virtual() and not self:is_floating()) then
+		local ifaces = { }
+
+		local ifn
+		local nfs = { }
+		for ifn in utl.imatch(self:get("ifname")) do
+			ifn = ifn:match("^[^:/]+")
+			nfs[ifn] = interface(ifn, self)
+		end
+
+		for ifn in utl.kspairs(nfs) do
+			ifaces[#ifaces+1] = nfs[ifn]
+		end
+
+		local wfs = { }
+		_uci:foreach("wireless", "wifi-iface",
+			function(s)
+				if s.device then
+					local net
+					for net in utl.imatch(s.network) do
+						if net == self.sid then
+							ifn = _wifi_netid_by_sid(s[".name"])
+							if ifn then
+								wfs[ifn] = interface(ifn, self)
+							end
+						end
+					end
+				end
+			end)
+
+		for ifn in utl.kspairs(wfs) do
+			ifaces[#ifaces+1] = wfs[ifn]
+		end
+
+		return ifaces
+	end
+end
+
+function protocol.contains_interface(self, ifname)
+	ifname = _M:ifnameof(ifname)
+	if not ifname then
+		return false
+	elseif self:is_virtual() and self:proto() .. "-" .. self.sid == ifname then
+		return true
+	elseif self:is_bridge() and "br-" .. self.sid == ifname then
+		return true
+	else
+		local ifn
+		for ifn in utl.imatch(self:get("ifname")) do
+			ifn = ifn:match("[^:]+")
+			if ifn == ifname then
+				return true
+			end
+		end
+
+		local wif = _wifi_sid_by_ifname(ifname)
+		if wif then
+			local n
+			for n in utl.imatch(_uci:get("wireless", wif, "network")) do
+				if n == self.sid then
+					return true
+				end
+			end
+		end
+	end
+
+	return false
+end
+
+function protocol.adminlink(self)
+	local stat, dsp = pcall(require, "luci.dispatcher")
+	return stat and dsp.build_url("admin", "network", "network", self.sid)
+end
+
+
+interface = utl.class()
+
+function interface.__init__(self, ifname, network)
+	local wif = _wifi_sid_by_ifname(ifname)
+	if wif then
+		self.wif    = wifinet(wif)
+		self.ifname = self.wif:ifname()
+	end
+
+	self.ifname  = self.ifname or ifname
+	self.dev     = _interfaces[self.ifname]
+	self.network = network
+end
+
+function interface._ubus(self, field)
+	if not _ubusdevcache[self.ifname] then
+		_ubusdevcache[self.ifname] = utl.ubus("network.device", "status",
+		                                      { name = self.ifname })
+	end
+	if _ubusdevcache[self.ifname] and field then
+		return _ubusdevcache[self.ifname][field]
+	end
+	return _ubusdevcache[self.ifname]
+end
+
+function interface.name(self)
+	return self.wif and self.wif:ifname() or self.ifname
+end
+
+function interface.mac(self)
+	return ipc.checkmac(self:_ubus("macaddr"))
+end
+
+function interface.ipaddrs(self)
+	return self.dev and self.dev.ipaddrs or { }
+end
+
+function interface.ip6addrs(self)
+	return self.dev and self.dev.ip6addrs or { }
+end
+
+function interface.type(self)
+	if self.ifname and self.ifname:byte(1) == 64 then
+		return "alias"
+	elseif self.wif or _wifi_iface(self.ifname) then
+		return "wifi"
+	elseif _bridge[self.ifname] then
+		return "bridge"
+	elseif _tunnel[self.ifname] then
+		return "tunnel"
+	elseif self.ifname:match("%.") then
+		return "vlan"
+	elseif _switch[self.ifname] then
+		return "switch"
+	else
+		return "ethernet"
+	end
+end
+
+function interface.shortname(self)
+	if self.wif then
+		return self.wif:shortname()
+	else
+		return self.ifname
+	end
+end
+
+function interface.get_i18n(self)
+	if self.wif then
+		return "%s: %s %q" %{
+			lng.translate("Wireless Network"),
+			self.wif:active_mode(),
+			self.wif:active_ssid() or self.wif:active_bssid() or self.wif:id() or "?"
+		}
+	else
+		return "%s: %q" %{ self:get_type_i18n(), self:name() }
+	end
+end
+
+function interface.get_type_i18n(self)
+	local x = self:type()
+	if x == "alias" then
+		return lng.translate("Alias Interface")
+	elseif x == "wifi" then
+		return lng.translate("Wireless Adapter")
+	elseif x == "bridge" then
+		return lng.translate("Bridge")
+	elseif x == "switch" then
+		return lng.translate("Ethernet Switch")
+	elseif x == "vlan" then
+		if _switch[self.ifname] then
+			return lng.translate("Switch VLAN")
+		else
+			return lng.translate("Software VLAN")
+		end
+	elseif x == "tunnel" then
+		return lng.translate("Tunnel Interface")
+	else
+		return lng.translate("Ethernet Adapter")
+	end
+end
+
+function interface.adminlink(self)
+	if self.wif then
+		return self.wif:adminlink()
+	end
+end
+
+function interface.ports(self)
+	local members = self:_ubus("bridge-members")
+	if members then
+		local _, iface
+		local ifaces = { }
+		for _, iface in ipairs(members) do
+			ifaces[#ifaces+1] = interface(iface)
+		end
+	end
+end
+
+function interface.bridge_id(self)
+	if self.br then
+		return self.br.id
+	else
+		return nil
+	end
+end
+
+function interface.bridge_stp(self)
+	if self.br then
+		return self.br.stp
+	else
+		return false
+	end
+end
+
+function interface.is_up(self)
+	local up = self:_ubus("up")
+	if up == nil then
+		up = (self:type() == "alias")
+	end
+	return up or false
+end
+
+function interface.is_bridge(self)
+	return (self:type() == "bridge")
+end
+
+function interface.is_bridgeport(self)
+	return self.dev and self.dev.bridge and true or false
+end
+
+function interface.tx_bytes(self)
+	local stat = self:_ubus("statistics")
+	return stat and stat.tx_bytes or 0
+end
+
+function interface.rx_bytes(self)
+	local stat = self:_ubus("statistics")
+	return stat and stat.rx_bytes or 0
+end
+
+function interface.tx_packets(self)
+	local stat = self:_ubus("statistics")
+	return stat and stat.tx_packets or 0
+end
+
+function interface.rx_packets(self)
+	local stat = self:_ubus("statistics")
+	return stat and stat.rx_packets or 0
+end
+
+function interface.get_network(self)
+	return self:get_networks()[1]
+end
+
+function interface.get_networks(self)
+	if not self.networks then
+		local nets = { }
+		local _, net
+		for _, net in ipairs(_M:get_networks()) do
+			if net:contains_interface(self.ifname) or
+			   net:ifname() == self.ifname
+			then
+				nets[#nets+1] = net
+			end
+		end
+		table.sort(nets, function(a, b) return a.sid < b.sid end)
+		self.networks = nets
+		return nets
+	else
+		return self.networks
+	end
+end
+
+function interface.get_wifinet(self)
+	return self.wif
+end
+
+
+wifidev = utl.class()
+
+function wifidev.__init__(self, name)
+	local t, n = _uci:get("wireless", name)
+	if t == "wifi-device" and n ~= nil then
+		self.sid    = n
+		self.iwinfo = _wifi_iwinfo_by_ifname(self.sid, true)
+	end
+	self.sid    = self.sid    or name
+	self.iwinfo = self.iwinfo or { ifname = self.sid }
+end
+
+function wifidev.get(self, opt)
+	return _get("wireless", self.sid, opt)
+end
+
+function wifidev.set(self, opt, val)
+	return _set("wireless", self.sid, opt, val)
+end
+
+function wifidev.name(self)
+	return self.sid
+end
+
+function wifidev.hwmodes(self)
+	local l = self.iwinfo.hwmodelist
+	if l and next(l) then
+		return l
+	else
+		return { b = true, g = true }
+	end
+end
+
+function wifidev.get_i18n(self)
+	local t = self.iwinfo.hardware_name or "Generic"
+	if self.iwinfo.type == "wl" then
+		t = "Broadcom"
+	end
+
+	local m = ""
+	local l = self:hwmodes()
+	if l.a then m = m .. "a" end
+	if l.b then m = m .. "b" end
+	if l.g then m = m .. "g" end
+	if l.n then m = m .. "n" end
+	if l.ac then m = "ac" end
+
+	return "%s 802.11%s Wireless Controller (%s)" %{ t, m, self:name() }
+end
+
+function wifidev.is_up(self)
+	if _ubuswificache[self.sid] then
+		return (_ubuswificache[self.sid].up == true)
+	end
+
+	return false
+end
+
+function wifidev.get_wifinet(self, net)
+	if _uci:get("wireless", net) == "wifi-iface" then
+		return wifinet(net)
+	else
+		local wnet = _wifi_sid_by_ifname(net)
+		if wnet then
+			return wifinet(wnet)
+		end
+	end
+end
+
+function wifidev.get_wifinets(self)
+	local nets = { }
+
+	_uci:foreach("wireless", "wifi-iface",
+		function(s)
+			if s.device == self.sid then
+				nets[#nets+1] = wifinet(s['.name'])
+			end
+		end)
+
+	return nets
+end
+
+function wifidev.add_wifinet(self, options)
+	options = options or { }
+	options.device = self.sid
+
+	local wnet = _uci:section("wireless", "wifi-iface", nil, options)
+	if wnet then
+		return wifinet(wnet, options)
+	end
+end
+
+function wifidev.del_wifinet(self, net)
+	if utl.instanceof(net, wifinet) then
+		net = net.sid
+	elseif _uci:get("wireless", net) ~= "wifi-iface" then
+		net = _wifi_sid_by_ifname(net)
+	end
+
+	if net and _uci:get("wireless", net, "device") == self.sid then
+		_uci:delete("wireless", net)
+		return true
+	end
+
+	return false
+end
+
+
+wifinet = utl.class()
+
+function wifinet.__init__(self, name, data)
+	local sid, netid, radioname, radiostate, netstate
+
+	-- lookup state by radio#.network# notation
+	sid = _wifi_sid_by_netid(name)
+	if sid then
+		netid = name
+		radioname, radiostate, netstate = _wifi_state_by_sid(sid)
+	else
+		-- lookup state by ifname (e.g. wlan0)
+		radioname, radiostate, netstate = _wifi_state_by_ifname(name)
+		if radioname and radiostate and netstate then
+			sid = netstate.section
+			netid = _wifi_netid_by_sid(sid)
+		else
+			-- lookup state by uci section id (e.g. cfg053579)
+			radioname, radiostate, netstate = _wifi_state_by_sid(name)
+			if radioname and radiostate and netstate then
+				sid = name
+				netid = _wifi_netid_by_sid(sid)
+			else
+				-- no state available, try to resolve from uci
+				netid, radioname = _wifi_netid_by_sid(name)
+				if netid and radioname then
+					sid = name
+				end
+			end
+		end
+	end
+
+	local iwinfo =
+		(netstate and _wifi_iwinfo_by_ifname(netstate.ifname)) or
+		(radioname and _wifi_iwinfo_by_ifname(radioname)) or
+		{ ifname = (netid or sid or name) }
+
+	self.sid       = sid or name
+	self.wdev      = iwinfo.ifname
+	self.iwinfo    = iwinfo
+	self.netid     = netid
+	self._ubusdata = {
+		radio = radioname,
+		dev   = radiostate,
+		net   = netstate
+	}
+end
+
+function wifinet.ubus(self, ...)
+	local n, v = self._ubusdata
+	for n = 1, select('#', ...) do
+		if type(v) == "table" then
+			v = v[select(n, ...)]
+		else
+			return nil
+		end
+	end
+	return v
+end
+
+function wifinet.get(self, opt)
+	return _get("wireless", self.sid, opt)
+end
+
+function wifinet.set(self, opt, val)
+	return _set("wireless", self.sid, opt, val)
+end
+
+function wifinet.mode(self)
+	return self:ubus("net", "config", "mode") or self:get("mode") or "ap"
+end
+
+function wifinet.ssid(self)
+	return self:ubus("net", "config", "ssid") or self:get("ssid")
+end
+
+function wifinet.bssid(self)
+	return self:ubus("net", "config", "bssid") or self:get("bssid")
+end
+
+function wifinet.network(self)
+	local net, networks = nil, { }
+	for net in utl.imatch(self:ubus("net", "config", "network") or self:get("network")) do
+		networks[#networks+1] = net
+	end
+	return networks
+end
+
+function wifinet.id(self)
+	return self.netid
+end
+
+function wifinet.name(self)
+	return self.sid
+end
+
+function wifinet.ifname(self)
+	local ifname = self:ubus("net", "ifname") or self.iwinfo.ifname
+	if not ifname or ifname:match("^wifi%d") or ifname:match("^radio%d") then
+		ifname = self.netid
+	end
+	return ifname
+end
+
+function wifinet.get_device(self)
+	local dev = self:ubus("radio") or self:get("device")
+	return dev and wifidev(dev) or nil
+end
+
+function wifinet.is_up(self)
+	local ifc = self:get_interface()
+	return (ifc and ifc:is_up() or false)
+end
+
+function wifinet.active_mode(self)
+	local m = self.iwinfo.mode or self:ubus("net", "config", "mode") or self:get("mode") or "ap"
+
+	if     m == "ap"      then m = "Master"
+	elseif m == "sta"     then m = "Client"
+	elseif m == "adhoc"   then m = "Ad-Hoc"
+	elseif m == "mesh"    then m = "Mesh"
+	elseif m == "monitor" then m = "Monitor"
+	end
+
+	return m
+end
+
+function wifinet.active_mode_i18n(self)
+	return lng.translate(self:active_mode())
+end
+
+function wifinet.active_ssid(self)
+	return self.iwinfo.ssid or self:ubus("net", "config", "ssid") or self:get("ssid")
+end
+
+function wifinet.active_bssid(self)
+	return self.iwinfo.bssid or self:ubus("net", "config", "bssid") or self:get("bssid")
+end
+
+function wifinet.active_encryption(self)
+	local enc = self.iwinfo and self.iwinfo.encryption
+	return enc and enc.description or "-"
+end
+
+function wifinet.assoclist(self)
+	return self.iwinfo.assoclist or { }
+end
+
+function wifinet.frequency(self)
+	local freq = self.iwinfo.frequency
+	if freq and freq > 0 then
+		return "%.03f" % (freq / 1000)
+	end
+end
+
+function wifinet.bitrate(self)
+	local rate = self.iwinfo.bitrate
+	if rate and rate > 0 then
+		return (rate / 1000)
+	end
+end
+
+function wifinet.channel(self)
+	return self.iwinfo.channel or self:ubus("dev", "config", "channel") or
+		tonumber(self:get("channel"))
+end
+
+function wifinet.signal(self)
+	return self.iwinfo.signal or 0
+end
+
+function wifinet.noise(self)
+	return self.iwinfo.noise or 0
+end
+
+function wifinet.country(self)
+	return self.iwinfo.country or self:ubus("dev", "config", "country") or "00"
+end
+
+function wifinet.txpower(self)
+	local pwr = (self.iwinfo.txpower or 0)
+	return pwr + self:txpower_offset()
+end
+
+function wifinet.txpower_offset(self)
+	return self.iwinfo.txpower_offset or 0
+end
+
+function wifinet.signal_level(self, s, n)
+	if self:active_bssid() ~= "00:00:00:00:00:00" then
+		local signal = s or self:signal()
+		local noise  = n or self:noise()
+
+		if signal < 0 and noise < 0 then
+			local snr = -1 * (noise - signal)
+			return math.floor(snr / 5)
+		else
+			return 0
+		end
+	else
+		return -1
+	end
+end
+
+function wifinet.signal_percent(self)
+	local qc = self.iwinfo.quality or 0
+	local qm = self.iwinfo.quality_max or 0
+
+	if qc > 0 and qm > 0 then
+		return math.floor((100 / qm) * qc)
+	else
+		return 0
+	end
+end
+
+function wifinet.shortname(self)
+	return "%s %q" %{
+		lng.translate(self:active_mode()),
+		self:active_ssid() or self:active_bssid() or self:id()
+	}
+end
+
+function wifinet.get_i18n(self)
+	return "%s: %s %q (%s)" %{
+		lng.translate("Wireless Network"),
+		lng.translate(self:active_mode()),
+		self:active_ssid() or self:active_bssid() or self:id(),
+		self:ifname()
+	}
+end
+
+function wifinet.adminlink(self)
+	local stat, dsp = pcall(require, "luci.dispatcher")
+	return dsp and dsp.build_url("admin", "network", "wireless", self.netid)
+end
+
+function wifinet.get_network(self)
+	return self:get_networks()[1]
+end
+
+function wifinet.get_networks(self)
+	local nets = { }
+	local net
+	for net in utl.imatch(self:ubus("net", "config", "network") or self:get("network")) do
+		if _uci:get("network", net) == "interface" then
+			nets[#nets+1] = network(net)
+		end
+	end
+	table.sort(nets, function(a, b) return a.sid < b.sid end)
+	return nets
+end
+
+function wifinet.get_interface(self)
+	return interface(self:ifname())
+end
+
+
+-- setup base protocols
+_M:register_protocol("static")
+_M:register_protocol("dhcp")
+_M:register_protocol("none")
+
+-- load protocol extensions
+local exts = nfs.dir(utl.libpath() .. "/model/network")
+if exts then
+	local ext
+	for ext in exts do
+		if ext:match("%.lua$") then
+			require("luci.model.network." .. ext:gsub("%.lua$", ""))
+		end
+	end
+end
diff --git a/modules/luci-compat/luasrc/model/network/proto_3g.lua b/modules/luci-compat/luasrc/model/network/proto_3g.lua
new file mode 100644
index 0000000000..60d8e2ebae
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_3g.lua
@@ -0,0 +1,49 @@
+-- Copyright 2018 Florian Eckert <fe@dev.tdt.de>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+
+local proto = netmod:register_protocol("3g")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("UMTS/GPRS/EV-DO")
+end
+
+function proto.ifname(self)
+	return "3g-" .. self.sid
+end
+
+function proto.get_interface(self)
+	return interface(self:ifname(), self)
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/3g.sh")
+end
+
+function proto.opkg_package(self)
+	return "comgt"
+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, ifc)
+	if self:is_floating() then
+		return (netmod:ifnameof(ifc) == self:ifname())
+	else
+		return netmod.protocol.contains_interface(self, ifc)
+	end
+end
+
+netmod:register_pattern_virtual("^3g%-%w")
diff --git a/modules/luci-compat/luasrc/model/network/proto_4x6.lua b/modules/luci-compat/luasrc/model/network/proto_4x6.lua
new file mode 100644
index 0000000000..0b329d8a92
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_4x6.lua
@@ -0,0 +1,64 @@
+-- Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
+-- Copyright 2013 Steven Barth <steven@midlink.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+
+local _, p
+for _, p in ipairs({"dslite", "map", "464xlat"}) do
+
+	local proto = netmod:register_protocol(p)
+
+	function proto.get_i18n(self)
+		if p == "dslite" then
+			return luci.i18n.translate("Dual-Stack Lite (RFC6333)")
+		elseif p == "map" then
+			return luci.i18n.translate("MAP / LW4over6")
+		elseif p == "464xlat" then
+			return luci.i18n.translate("464XLAT (CLAT)")
+		end
+	end
+
+	function proto.ifname(self)
+		return p .. "-" .. self.sid
+	end
+
+	function proto.opkg_package(self)
+		if p == "dslite" then
+			return "ds-lite"
+		elseif p == "map" then
+			return "map-t"
+		elseif p == "464xlat" then
+			return "464xlat"
+		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, ifc)
+		return (netmod:ifnameof(ifc) == self:ifname())
+	end
+end
+
+netmod:register_pattern_virtual("^464%-%w")
+netmod:register_pattern_virtual("^ds%-%w")
+netmod:register_pattern_virtual("^map%-%w")
+
+netmod:register_error_code("AFTR_DNS_FAIL",		luci.i18n.translate("Unable to resolve AFTR host name"))
+netmod:register_error_code("INVALID_MAP_RULE",	luci.i18n.translate("MAP rule is invalid"))
+netmod:register_error_code("NO_MATCHING_PD",	luci.i18n.translate("No matching prefix delegation"))
+netmod:register_error_code("UNSUPPORTED_TYPE",	luci.i18n.translate("Unsupported MAP type"))
diff --git a/modules/luci-compat/luasrc/model/network/proto_6x4.lua b/modules/luci-compat/luasrc/model/network/proto_6x4.lua
new file mode 100644
index 0000000000..2fd0b11957
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_6x4.lua
@@ -0,0 +1,50 @@
+-- Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+
+local _, p
+for _, p in ipairs({"6in4", "6to4", "6rd"}) do
+
+	local proto = netmod:register_protocol(p)
+
+	function proto.get_i18n(self)
+		if p == "6in4" then
+			return luci.i18n.translate("IPv6-in-IPv4 (RFC4213)")
+		elseif p == "6to4" then
+			return luci.i18n.translate("IPv6-over-IPv4 (6to4)")
+		elseif p == "6rd" then
+			return luci.i18n.translate("IPv6-over-IPv4 (6rd)")
+		end
+	end
+
+	function proto.ifname(self)
+		return p .. "-" .. self.sid
+	end
+
+	function proto.opkg_package(self)
+		return p
+	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, ifc)
+		return (netmod:ifnameof(ifc) == self:ifname())
+	end
+
+	netmod:register_pattern_virtual("^%s%%-%%w" % p)
+end
diff --git a/modules/luci-compat/luasrc/model/network/proto_dhcpv6.lua b/modules/luci-compat/luasrc/model/network/proto_dhcpv6.lua
new file mode 100644
index 0000000000..0b45dad050
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_dhcpv6.lua
@@ -0,0 +1,16 @@
+-- Copyright 2013 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local proto = luci.model.network:register_protocol("dhcpv6")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("DHCPv6 client")
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/dhcpv6.sh")
+end
+
+function proto.opkg_package(self)
+	return "odhcp6c"
+end
diff --git a/modules/luci-compat/luasrc/model/network/proto_hnet.lua b/modules/luci-compat/luasrc/model/network/proto_hnet.lua
new file mode 100644
index 0000000000..f525061be4
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_hnet.lua
@@ -0,0 +1,16 @@
+-- Copyright 2014 Steven Barth <steven@midlink.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local proto = luci.model.network:register_protocol("hnet")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("Automatic Homenet (HNCP)")
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/hnet.sh")
+end
+
+function proto.opkg_package(self)
+	return "hnet-full"
+end
diff --git a/modules/luci-compat/luasrc/model/network/proto_ipip.lua b/modules/luci-compat/luasrc/model/network/proto_ipip.lua
new file mode 100644
index 0000000000..04d2e78b09
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_ipip.lua
@@ -0,0 +1,40 @@
+-- Copyright 2016 Roger Pueyo Centelles <roger.pueyo@guifi.net>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+local proto = netmod:register_protocol("ipip")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("IPv4-in-IPv4 (RFC2003)")
+end
+
+function proto.ifname(self)
+	return "ipip-" .. self.sid
+end
+
+function proto.opkg_package(self)
+	return "ipip"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/ipip.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, ifc)
+	 return (netmod:ifnameof(ifc) == self:ifname())
+end
+
+netmod:register_pattern_virtual("^ipip%-%w")
diff --git a/modules/luci-compat/luasrc/model/network/proto_modemmanager.lua b/modules/luci-compat/luasrc/model/network/proto_modemmanager.lua
new file mode 100644
index 0000000000..3ad15dfd22
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_modemmanager.lua
@@ -0,0 +1,55 @@
+-- Copyright 2016 David Thornley <david.thornley@touchstargroup.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+local proto = netmod:register_protocol("modemmanager")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("Mobile Data")
+end
+
+function proto.ifname(self)
+	local base = netmod._M.protocol
+	local ifname = base.ifname(self) -- call base class "protocol.ifname(self)"
+
+		-- Note: ifname might be nil if the adapter could not be determined through ubus (default name to qmi-wan in this case)
+	if ifname == nil then
+		ifname = "modemmanager-" .. self.sid
+	end
+	return ifname
+end
+
+function proto.get_interface(self)
+	return interface(self:ifname(), self)
+end
+
+function proto.opkg_package(self)
+	return "modemmanager"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/modemmanager.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, ifc)
+	 return (netmod:ifnameof(ifc) == self:ifname())
+end
+
+netmod:register_pattern_virtual("^mobiledata%-%w")
+
+netmod:register_error_code("CALL_FAILED",	luci.i18n.translate("Call failed"))
+netmod:register_error_code("NO_CID",		luci.i18n.translate("Unable to obtain client ID"))
+netmod:register_error_code("PLMN_FAILED",	luci.i18n.translate("Setting PLMN failed"))
diff --git a/modules/luci-compat/luasrc/model/network/proto_ncm.lua b/modules/luci-compat/luasrc/model/network/proto_ncm.lua
new file mode 100644
index 0000000000..49abe23472
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_ncm.lua
@@ -0,0 +1,69 @@
+--[[
+LuCI - Network model - NCM protocol extension
+
+Copyright 2015 Cezary Jackiewicz <cezary.jackiewicz@gmail.com>
+
+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 proto = netmod:register_protocol("ncm")
+local interface = luci.model.network.interface
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("NCM")
+end
+
+function proto.opkg_package(self)
+	return "comgt-ncm"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/ncm.sh")
+end
+
+function proto.is_floating(self)
+	return true
+end
+
+function proto.is_virtual(self)
+	return true
+end
+
+function proto.get_interface(self)
+	local _ifname=netmod.protocol.ifname(self)
+	if not _ifname then
+		_ifname = "wan"
+	end
+	return interface(_ifname, self)
+end
+
+function proto.get_interfaces(self)
+	return nil
+end
+
+function proto.contains_interface(self, ifc)
+	return (netmod:ifnameof(ifc) == self:ifname())
+end
+
+netmod:register_pattern_virtual("^ncm%-%w")
+
+netmod:register_error_code("CONFIGURE_FAILED",	luci.i18n.translate("Configuration failed"))
+netmod:register_error_code("DISCONNECT_FAILED",	luci.i18n.translate("Disconnection attempt failed"))
+netmod:register_error_code("FINALIZE_FAILED",	luci.i18n.translate("Finalizing failed"))
+netmod:register_error_code("GETINFO_FAILED",	luci.i18n.translate("Modem information query failed"))
+netmod:register_error_code("INITIALIZE_FAILED",	luci.i18n.translate("Initialization failure"))
+netmod:register_error_code("SETMODE_FAILED",	luci.i18n.translate("Setting operation mode failed"))
+netmod:register_error_code("UNSUPPORTED_MODEM",	luci.i18n.translate("Unsupported modem"))
diff --git a/modules/luci-compat/luasrc/model/network/proto_openconnect.lua b/modules/luci-compat/luasrc/model/network/proto_openconnect.lua
new file mode 100644
index 0000000000..0944c7fe6a
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_openconnect.lua
@@ -0,0 +1,45 @@
+-- Copyright 2012 David Woodhouse
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+local proto = netmod:register_protocol("openconnect")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("OpenConnect (CISCO AnyConnect)")
+end
+
+function proto.ifname(self)
+	return "vpn-" .. self.sid
+end
+
+function proto.get_interface(self)
+	return interface(self:ifname(), self)
+end
+
+function proto.opkg_package(self)
+	return "openconnect"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/openconnect.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, ifc)
+	 return (netmod:ifnameof(ifc) == self:ifname())
+
+end
+
+netmod:register_pattern_virtual("^vpn%-%w")
diff --git a/modules/luci-compat/luasrc/model/network/proto_ppp.lua b/modules/luci-compat/luasrc/model/network/proto_ppp.lua
new file mode 100644
index 0000000000..f87b30fcc1
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_ppp.lua
@@ -0,0 +1,82 @@
+-- Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+
+local _, p
+for _, p in ipairs({"ppp", "pptp", "pppoe", "pppoa", "l2tp"}) do
+
+	local proto = netmod:register_protocol(p)
+
+	function proto.get_i18n(self)
+		if p == "ppp" then
+			return luci.i18n.translate("PPP")
+		elseif p == "pptp" then
+			return luci.i18n.translate("PPtP")
+		elseif p == "pppoe" then
+			return luci.i18n.translate("PPPoE")
+		elseif p == "pppoa" then
+			return luci.i18n.translate("PPPoATM")
+		elseif p == "l2tp" then
+			return luci.i18n.translate("L2TP")
+		end
+	end
+
+	function proto.ifname(self)
+		return p .. "-" .. self.sid
+	end
+
+	function proto.opkg_package(self)
+		if p == "ppp" then
+			return p
+		elseif p == "pptp" then
+			return "ppp-mod-pptp"
+		elseif p == "pppoe" then
+			return "ppp-mod-pppoe"
+		elseif p == "pppoa" then
+			return "ppp-mod-pppoa"
+		elseif p == "l2tp" then
+			return "xl2tpd"
+		end
+	end
+
+	function proto.is_installed(self)
+		if p == "pppoa" then
+			return (nixio.fs.glob("/usr/lib/pppd/*/pppoatm.so")() ~= nil)
+		elseif p == "pppoe" then
+			return (nixio.fs.glob("/usr/lib/pppd/*/rp-pppoe.so")() ~= nil)
+		elseif p == "pptp" then
+			return (nixio.fs.glob("/usr/lib/pppd/*/pptp.so")() ~= nil)
+		elseif p == "l2tp" then
+			return nixio.fs.access("/lib/netifd/proto/l2tp.sh")
+		else
+			return nixio.fs.access("/lib/netifd/proto/ppp.sh")
+		end
+	end
+
+	function proto.is_floating(self)
+		return (p ~= "pppoe")
+	end
+
+	function proto.is_virtual(self)
+		return true
+	end
+
+	function proto.get_interfaces(self)
+		if self:is_floating() then
+			return nil
+		else
+			return netmod.protocol.get_interfaces(self)
+		end
+	end
+
+	function proto.contains_interface(self, ifc)
+		if self:is_floating() then
+			return (netmod:ifnameof(ifc) == self:ifname())
+		else
+			return netmod.protocol.contains_interface(self, ifc)
+		end
+	end
+
+	netmod:register_pattern_virtual("^%s%%-%%w" % p)
+end
diff --git a/modules/luci-compat/luasrc/model/network/proto_pppossh.lua b/modules/luci-compat/luasrc/model/network/proto_pppossh.lua
new file mode 100644
index 0000000000..a0e2a510c9
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_pppossh.lua
@@ -0,0 +1,40 @@
+-- Copyright 2018 Florian Eckert <fe@dev.tdt.de>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+
+local proto = netmod:register_protocol("pppossh")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("PPPoSSH")
+end
+
+function proto.ifname(self)
+	return "pppossh-" .. self.sid
+end
+
+function proto.opkg_package(self)
+	return "pppossh"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/pppossh.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, ifc)
+	return (netmod:ifnameof(ifc) == self:ifname())
+end
+
+netmod:register_pattern_virtual("^pppossh%-%w")
diff --git a/modules/luci-compat/luasrc/model/network/proto_qmi.lua b/modules/luci-compat/luasrc/model/network/proto_qmi.lua
new file mode 100644
index 0000000000..c414378d80
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_qmi.lua
@@ -0,0 +1,55 @@
+-- Copyright 2016 David Thornley <david.thornley@touchstargroup.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+local proto = netmod:register_protocol("qmi")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("QMI Cellular")
+end
+
+function proto.ifname(self)
+	local base = netmod._M.protocol
+	local ifname = base.ifname(self) -- call base class "protocol.ifname(self)"
+
+		-- Note: ifname might be nil if the adapter could not be determined through ubus (default name to qmi-wan in this case)
+	if ifname == nil then
+		ifname = "qmi-" .. self.sid
+	end
+	return ifname
+end
+
+function proto.get_interface(self)
+	return interface(self:ifname(), self)
+end
+
+function proto.opkg_package(self)
+	return "uqmi"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/qmi.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, ifc)
+	 return (netmod:ifnameof(ifc) == self:ifname())
+end
+
+netmod:register_pattern_virtual("^qmi%-%w")
+
+netmod:register_error_code("CALL_FAILED",	luci.i18n.translate("Call failed"))
+netmod:register_error_code("NO_CID",		luci.i18n.translate("Unable to obtain client ID"))
+netmod:register_error_code("PLMN_FAILED",	luci.i18n.translate("Setting PLMN failed"))
diff --git a/modules/luci-compat/luasrc/model/network/proto_relay.lua b/modules/luci-compat/luasrc/model/network/proto_relay.lua
new file mode 100644
index 0000000000..3b811d44d1
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_relay.lua
@@ -0,0 +1,158 @@
+-- Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local device = luci.util.class(netmod.interface)
+
+netmod:register_pattern_virtual("^relay%-%w")
+
+local proto = netmod:register_protocol("relay")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("Relay bridge")
+end
+
+function proto.ifname(self)
+	return "relay-" .. self.sid
+end
+
+function proto.opkg_package(self)
+	return "relayd"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/etc/init.d/relayd")
+end
+
+function proto.is_floating(self)
+	return true
+end
+
+function proto.is_virtual(self)
+	return true
+end
+
+function proto.is_up(self)
+	local iface = self:get_interface()
+	return iface and iface:is_up() or false
+end
+
+function proto.get_interface(self)
+	return device(self.sid, self)
+end
+
+function proto.get_interfaces(self)
+	if not self.ifaces then
+		local ifs = { }
+		local _, net, dev
+
+		for net in luci.util.imatch(self:_get("network")) do
+			net = netmod:get_network(net)
+			if net then
+				dev = net:get_interface()
+				if dev then
+					ifs[dev:name()] = dev
+				end
+			end
+		end
+
+		for dev in luci.util.imatch(self:_get("ifname")) do
+			dev = netmod:get_interface(dev)
+			if dev then
+				ifs[dev:name()] = dev
+			end
+		end
+
+		self.ifaces = { }
+
+		for _, dev in luci.util.kspairs(ifs) do
+			self.ifaces[#self.ifaces+1] = dev
+		end
+	end
+
+	return self.ifaces
+end
+
+function proto.uptime(self)
+	local net
+	local upt = 0
+	for net in luci.util.imatch(self:_get("network")) do
+		net = netmod:get_network(net)
+		if net then
+			upt = math.max(upt, net:uptime())
+		end
+	end
+	return upt
+end
+
+function proto.errors(self)
+	return nil
+end
+
+
+function device.__init__(self, ifname, network)
+	self.ifname  = ifname
+	self.network = network
+end
+
+function device.type(self)
+	return "tunnel"
+end
+
+function device.is_up(self)
+	if self.network then
+		local _, dev
+		for _, dev in ipairs(self.network:get_interfaces()) do
+			if not dev:is_up() then
+				return false
+			end
+		end
+		return true
+	end
+	return false
+end
+
+function device._stat(self, what)
+	local v = 0
+	if self.network then
+		local _, dev
+		for _, dev in ipairs(self.network:get_interfaces()) do
+			v = v + dev[what](dev)
+		end
+	end
+	return v
+end
+
+function device.rx_bytes(self) return self:_stat("rx_bytes") end
+function device.tx_bytes(self) return self:_stat("tx_bytes") end
+function device.rx_packets(self) return self:_stat("rx_packets") end
+function device.tx_packets(self) return self:_stat("tx_packets") end
+
+function device.mac(self)
+	if self.network then
+		local _, dev
+		for _, dev in ipairs(self.network:get_interfaces()) do
+			return dev:mac()
+		end
+	end
+end
+
+function device.ipaddrs(self)
+	local addrs = { }
+	if self.network then
+		addrs[1] = luci.ip.IPv4(self.network:_get("ipaddr"))
+	end
+	return addrs
+end
+
+function device.ip6addrs(self)
+	return { }
+end
+
+function device.shortname(self)
+	return "%s %q" % { luci.i18n.translate("Relay"), self.ifname }
+end
+
+function device.get_type_i18n(self)
+	return luci.i18n.translate("Relay Bridge")
+end
diff --git a/modules/luci-compat/luasrc/model/network/proto_vpnc.lua b/modules/luci-compat/luasrc/model/network/proto_vpnc.lua
new file mode 100644
index 0000000000..6c3136e384
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_vpnc.lua
@@ -0,0 +1,46 @@
+-- Copyright 2015 Daniel Dickinson <openwrt@daniel.thecshore.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+local proto = netmod:register_protocol("vpnc")
+
+function proto.get_i18n(self)
+	return luci.i18n.translate("VPNC (CISCO 3000 (and others) VPN)")
+end
+
+function proto.ifname(self)
+	return "vpn-" .. self.sid
+end
+
+function proto.get_interface(self)
+	return interface(self:ifname(), self)
+end
+
+function proto.opkg_package(self)
+	return "vpnc"
+end
+
+function proto.is_installed(self)
+	return nixio.fs.access("/lib/netifd/proto/vpnc.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, ifc)
+	 return (netmod:ifnameof(ifc) == self:ifname())
+
+end
+
+netmod:register_pattern_virtual("^vpn%-%w")
+
diff --git a/modules/luci-compat/luasrc/model/network/proto_wireguard.lua b/modules/luci-compat/luasrc/model/network/proto_wireguard.lua
new file mode 100644
index 0000000000..d6937618a7
--- /dev/null
+++ b/modules/luci-compat/luasrc/model/network/proto_wireguard.lua
@@ -0,0 +1,42 @@
+-- Copyright 2016 Dan Luedtke <mail@danrl.com>
+-- Licensed to the public under the Apache License 2.0.
+
+local netmod = luci.model.network
+local interface = luci.model.network.interface
+local proto = netmod:register_protocol("wireguard")
+
+function proto.get_i18n(self)
+  return luci.i18n.translate("WireGuard VPN")
+end
+
+function proto.ifname(self)
+  return self.sid
+end
+
+function proto.get_interface(self)
+  return interface(self:ifname(), self)
+end
+
+function proto.opkg_package(self)
+  return "wireguard-tools"
+end
+
+function proto.is_installed(self)
+  return nixio.fs.access("/lib/netifd/proto/wireguard.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, ifc)
+   return (netmod:ifnameof(ifc) == self:ifname())
+end