2 LuCI - Lua Configuration Interface
4 Copyright 2008 Steven Barth <steven@midlink.org>
5 Copyright 2010-2011 Jo-Philipp Wich <xm@subsignal.org>
7 Licensed under the Apache License, Version 2.0 (the "License");
8 you may not use this file except in compliance with the License.
9 You may obtain a copy of the License at
11 http://www.apache.org/licenses/LICENSE-2.0
15 m = Map("network", translate("Switch"), translate("The network ports on this device can be combined to several <abbr title=\"Virtual Local Area Network\">VLAN</abbr>s in which computers can communicate directly with each other. <abbr title=\"Virtual Local Area Network\">VLAN</abbr>s are often used to separate different network segments. Often there is by default one Uplink port for a connection to the next greater network like the internet and other ports for a local network."))
17 local fs = require "nixio.fs"
20 m.uci:foreach("network", "switch",
22 local sid = x['.name']
23 local switch_name = x.name or sid
26 local has_vlan4k = nil
27 local has_jumbo3 = nil
28 local has_mirror = nil
32 local cpu_port = tonumber(fs.readfile("/proc/switch/eth0/cpuport") or 5)
33 local num_ports = cpu_port + 1
36 local enable_vlan4k = false
38 -- Parse some common switch properties from swconfig help output.
39 local swc = io.popen("swconfig dev %q help 2>/dev/null" % switch_name)
42 local is_port_attr = false
43 local is_vlan_attr = false
46 local line = swc:read("*l")
47 if not line then break end
49 if line:match("^%s+%-%-vlan") then
52 elseif line:match("^%s+%-%-port") then
56 elseif line:match("cpu @") then
57 switch_title = line:match("^switch%d: %w+%((.-)%)")
58 num_ports, cpu_port, num_vlans =
59 line:match("ports: (%d+) %(cpu @ (%d+)%), vlans: (%d+)")
61 num_ports = tonumber(num_ports) or 6
62 num_vlans = tonumber(num_vlans) or 16
63 cpu_port = tonumber(cpu_port) or 5
66 elseif line:match(": pvid") or line:match(": tag") or line:match(": vid") then
67 if is_vlan_attr then has_vlan4k = line:match(": (%w+)") end
69 elseif line:match(": enable_vlan4k") then
72 elseif line:match(": enable_vlan") then
73 has_vlan = "enable_vlan"
75 elseif line:match(": enable_learning") then
76 has_learn = "enable_learning"
78 elseif line:match(": enable_mirror_rx") then
79 has_mirror = "enable_mirror_rx"
81 elseif line:match(": max_length") then
82 has_jumbo3 = "max_length"
91 s = m:section(NamedSection, x['.name'], "switch",
92 switch_title and translatef("Switch %q (%s)", switch_name, switch_title)
93 or translatef("Switch %q", switch_name))
98 s:option(Flag, has_vlan, translate("Enable VLAN functionality"))
102 x = s:option(Flag, has_learn, translate("Enable learning and aging"))
103 x.default = x.enabled
107 x = s:option(Flag, has_jumbo3, translate("Enable Jumbo Frame passthrough"))
112 -- Does this switch support port mirroring?
114 s:option(Flag, "enable_mirror_rx", translate("Enable mirroring of incoming packets"))
115 s:option(Flag, "enable_mirror_tx", translate("Enable mirroring of outgoing packets"))
117 local sp = s:option(ListValue, "mirror_source_port", translate("Mirror source port"))
118 local mp = s:option(ListValue, "mirror_monitor_port", translate("Mirror monitor port"))
121 for pt = 0, num_ports - 1 do
124 name = (pt == cpu_port) and translate("CPU") or translatef("Port %d", pt)
132 s = m:section(TypedSection, "switch_vlan",
133 switch_title and translatef("VLANs on %q (%s)", switch_name, switch_title)
134 or translatef("VLANs on %q", switch_name))
136 s.template = "cbi/tblsection"
141 s.filter = function(self, section)
142 local device = m:get(section, "device")
143 return (device and device == switch_name)
146 -- Override cfgsections callback to enforce row ordering by vlan id.
147 s.cfgsections = function(self)
148 local osections = TypedSection.cfgsections(self)
152 for _, section in luci.util.spairs(
155 return (tonumber(m:get(osections[a], has_vlan4k or "vlan")) or 9999)
156 < (tonumber(m:get(osections[b], has_vlan4k or "vlan")) or 9999)
159 sections[#sections+1] = section
165 -- When creating a new vlan, preset it with the highest found vid + 1.
166 s.create = function(self, section, origin)
168 if m:get(origin, "device") ~= switch_name then
172 local sid = TypedSection.create(self, section)
177 m.uci:foreach("network", "switch_vlan",
179 if s.device == switch_name then
180 local nr = tonumber(s.vlan)
181 local id = has_vlan4k and tonumber(s[has_vlan4k])
182 if nr ~= nil and nr > max_nr then max_nr = nr end
183 if id ~= nil and id > max_id then max_id = id end
187 m:set(sid, "device", switch_name)
188 m:set(sid, "vlan", max_nr + 1)
191 m:set(sid, has_vlan4k, max_id + 1)
198 local port_opts = { }
201 -- Parse current tagging state from the "ports" option.
202 local portvalue = function(self, section)
204 for pt in (m:get(section, "ports") or ""):gmatch("%w+") do
205 local pc, tu = pt:match("^(%d+)([tu]*)")
206 if pc == self.option then return (#tu > 0) and tu or "u" end
211 -- Validate port tagging. Ensure that a port is only untagged once,
213 local portvalidate = function(self, value, section)
214 -- ensure that the ports appears untagged only once
216 if not untagged[self.option] then
217 untagged[self.option] = true
218 elseif min_vid > 0 or tonumber(self.option) ~= cpu_port then -- enable multiple untagged cpu ports due to weird broadcom default setup
220 translatef("Port %d is untagged in multiple VLANs!", tonumber(self.option) + 1)
227 local vid = s:option(Value, has_vlan4k or "vlan", "VLAN ID", "<div id='portstatus-%s'></div>" % switch_name)
228 local mx_vid = has_vlan4k and 4094 or (num_vlans - 1)
231 vid.forcewrite = true
233 vid.datatype = "and(uinteger,range("..min_vid..","..mx_vid.."))"
235 -- Validate user provided VLAN ID, make sure its within the bounds
236 -- allowed by the switch.
237 vid.validate = function(self, value, section)
238 local v = tonumber(value)
239 local m = has_vlan4k and 4094 or (num_vlans - 1)
240 if v ~= nil and v >= min_vid and v <= m then
241 if not self.vlan_used[v] then
242 self.vlan_used[v] = true
246 translatef("Invalid VLAN ID given! Only unique IDs are allowed")
250 translatef("Invalid VLAN ID given! Only IDs between %d and %d are allowed.", min_vid, m)
254 -- When writing the "vid" or "vlan" option, serialize the port states
255 -- as well and write them as "ports" option to uci.
256 vid.write = function(self, section, value)
260 for _, o in ipairs(port_opts) do
261 local v = o:formvalue(section)
263 p[#p+1] = o.option .. v
269 if enable_vlan4k then
270 m:set(sid, "enable_vlan4k", "1")
273 m:set(section, "ports", table.concat(p, " "))
274 return Value.write(self, section, value)
277 -- Fallback to "vlan" option if "vid" option is supported but unset.
278 vid.cfgvalue = function(self, section)
279 return m:get(section, has_vlan4k or "vlan")
280 or m:get(section, "vlan")
283 -- Build per-port off/untagged/tagged choice lists.
285 for pt = 0, num_ports - 1 do
287 if pt == cpu_port then
288 title = translate("CPU")
290 title = translatef("Port %d", pt)
293 local po = s:option(ListValue, tostring(pt), title)
295 po:value("", translate("off"))
296 po:value("u", translate("untagged"))
297 po:value("t", translate("tagged"))
299 po.cfgvalue = portvalue
300 po.validate = portvalidate
301 po.write = function() end
303 port_opts[#port_opts+1] = po
306 switches[#switches+1] = switch_name
310 -- Switch status template
311 s = m:section(SimpleSection)
312 s.template = "admin_network/switch_status"
313 s.switches = switches