1 -- Copyright 2008 Steven Barth <steven@midlink.org>
2 -- Copyright 2010-2011 Jo-Philipp Wich <jow@openwrt.org>
3 -- Licensed to the public under the Apache License 2.0.
5 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."))
7 local fs = require "nixio.fs"
8 local ut = require "luci.util"
9 local nw = require "luci.model.network"
14 local topologies = nw:get_switch_topologies() or {}
16 local update_interfaces = function(old_ifname, new_ifname)
19 m.uci:foreach("network", "interface", function(section)
20 local old_ifnames = section.ifname
21 local new_ifnames = { }
24 for cur_ifname in luci.util.imatch(old_ifnames) do
25 if cur_ifname == old_ifname then
26 new_ifnames[#new_ifnames+1] = new_ifname
29 new_ifnames[#new_ifnames+1] = cur_ifname
33 m.uci:set("network", section[".name"], "ifname", table.concat(new_ifnames, " "))
35 info[#info+1] = translatef("Interface %q device auto-migrated from %q to %q.",
36 section[".name"], old_ifname, new_ifname)
41 m.message = (m.message and m.message .. "\n" or "") .. table.concat(info, "\n")
45 local vlan_already_created
47 m.uci:foreach("network", "switch",
49 local sid = x['.name']
50 local switch_name = x.name or sid
53 local has_vlan4k = nil
54 local has_jumbo3 = nil
55 local has_mirror = nil
61 local enable_vlan4k = false
63 local topo = topologies[switch_name]
66 m.message = translatef("Switch %q has an unknown topology - the VLAN settings might not be accurate.", switch_name)
69 { num = 0, label = "Port 1" },
70 { num = 1, label = "Port 2" },
71 { num = 2, label = "Port 3" },
72 { num = 3, label = "Port 4" },
73 { num = 4, label = "Port 5" },
74 { num = 5, label = "CPU (eth0)", tagged = false }
79 -- Parse some common switch properties from swconfig help output.
80 local swc = io.popen("swconfig dev %s help 2>/dev/null" % ut.shellquote(switch_name))
83 local is_port_attr = false
84 local is_vlan_attr = false
87 local line = swc:read("*l")
88 if not line then break end
90 if line:match("^%s+%-%-vlan") then
93 elseif line:match("^%s+%-%-port") then
97 elseif line:match("cpu @") then
98 switch_title = line:match("^switch%d: %w+%((.-)%)")
99 num_vlans = tonumber(line:match("vlans: (%d+)")) or 16
102 elseif line:match(": pvid") or line:match(": tag") or line:match(": vid") then
103 if is_vlan_attr then has_vlan4k = line:match(": (%w+)") end
105 elseif line:match(": enable_vlan4k") then
108 elseif line:match(": enable_vlan") then
109 has_vlan = "enable_vlan"
111 elseif line:match(": enable_learning") then
112 has_learn = "enable_learning"
114 elseif line:match(": enable_mirror_rx") then
115 has_mirror = "enable_mirror_rx"
117 elseif line:match(": max_length") then
118 has_jumbo3 = "max_length"
127 s = m:section(NamedSection, x['.name'], "switch",
128 switch_title and translatef("Switch %q (%s)", switch_name, switch_title)
129 or translatef("Switch %q", switch_name))
134 s:option(Flag, has_vlan, translate("Enable VLAN functionality"))
138 x = s:option(Flag, has_learn, translate("Enable learning and aging"))
139 x.default = x.enabled
143 x = s:option(Flag, has_jumbo3, translate("Enable Jumbo Frame passthrough"))
148 -- Does this switch support port mirroring?
150 s:option(Flag, "enable_mirror_rx", translate("Enable mirroring of incoming packets"))
151 s:option(Flag, "enable_mirror_tx", translate("Enable mirroring of outgoing packets"))
153 local sp = s:option(ListValue, "mirror_source_port", translate("Mirror source port"))
154 local mp = s:option(ListValue, "mirror_monitor_port", translate("Mirror monitor port"))
156 sp:depends("enable_mirror_tx", "1")
157 sp:depends("enable_mirror_rx", "1")
159 mp:depends("enable_mirror_tx", "1")
160 mp:depends("enable_mirror_rx", "1")
163 for _, pt in ipairs(topo.ports) do
164 sp:value(pt.num, pt.label)
165 mp:value(pt.num, pt.label)
170 s = m:section(TypedSection, "switch_vlan",
171 switch_title and translatef("VLANs on %q (%s)", switch_name, switch_title)
172 or translatef("VLANs on %q", switch_name))
174 s.template = "cbi/tblsection"
179 s.filter = function(self, section)
180 local device = m:get(section, "device")
181 return (device and device == switch_name)
184 -- Override cfgsections callback to enforce row ordering by vlan id.
185 s.cfgsections = function(self)
186 local osections = TypedSection.cfgsections(self)
190 for _, section in luci.util.spairs(
193 return (tonumber(m:get(osections[a], has_vlan4k or "vlan")) or 9999)
194 < (tonumber(m:get(osections[b], has_vlan4k or "vlan")) or 9999)
197 sections[#sections+1] = section
203 -- When creating a new vlan, preset it with the highest found vid + 1.
204 s.create = function(self, section, origin)
205 -- VLAN has already been created for another switch
206 if vlan_already_created then
209 -- VLAN add button was pressed in an empty VLAN section so only
210 -- accept the create event if our switch is without existing VLANs
211 elseif origin == "" then
212 local is_empty_switch = true
214 m.uci:foreach("network", "switch_vlan",
216 if s.device == switch_name then
217 is_empty_switch = false
222 if not is_empty_switch then
226 -- VLAN was created for another switch
227 elseif m:get(origin, "device") ~= switch_name then
231 local sid = TypedSection.create(self, section)
236 m.uci:foreach("network", "switch_vlan",
238 if s.device == switch_name then
239 local nr = tonumber(s.vlan)
240 local id = has_vlan4k and tonumber(s[has_vlan4k])
241 if nr ~= nil and nr > max_nr then max_nr = nr end
242 if id ~= nil and id > max_id then max_id = id end
246 m:set(sid, "device", switch_name)
247 m:set(sid, "vlan", max_nr + 1)
250 m:set(sid, has_vlan4k, max_id + 1)
253 vlan_already_created = true
259 local port_opts = { }
262 -- Parse current tagging state from the "ports" option.
263 local portvalue = function(self, section)
265 for pt in (m:get(section, "ports") or ""):gmatch("%w+") do
266 local pc, tu = pt:match("^(%d+)([tu]*)")
267 if pc == self.option then return (#tu > 0) and tu or "u" end
272 -- Validate port tagging. Ensure that a port is only untagged once,
274 local portvalidate = function(self, value, section)
275 -- ensure that the ports appears untagged only once
277 if not untagged[self.option] then
278 untagged[self.option] = true
281 translatef("%s is untagged in multiple VLANs!", self.title)
288 local vid = s:option(Value, has_vlan4k or "vlan", "VLAN ID")
289 local mx_vid = has_vlan4k and 4094 or (num_vlans - 1)
292 vid.forcewrite = true
294 vid.datatype = "and(uinteger,range("..min_vid..","..mx_vid.."))"
296 -- Validate user provided VLAN ID, make sure its within the bounds
297 -- allowed by the switch.
298 vid.validate = function(self, value, section)
299 local v = tonumber(value)
300 local m = has_vlan4k and 4094 or (num_vlans - 1)
301 if v ~= nil and v >= min_vid and v <= m then
302 if not self.vlan_used[v] then
303 self.vlan_used[v] = true
307 translatef("Invalid VLAN ID given! Only unique IDs are allowed")
311 translatef("Invalid VLAN ID given! Only IDs between %d and %d are allowed.", min_vid, m)
315 -- When writing the "vid" or "vlan" option, serialize the port states
316 -- as well and write them as "ports" option to uci.
317 vid.write = function(self, section, new_vid)
320 for _, o in ipairs(port_opts) do
321 local new_tag = o:formvalue(section)
322 if new_tag == "t" then
323 p[#p+1] = o.option .. new_tag
324 elseif new_tag == "u" then
328 if o.info and o.info.device then
329 local old_tag = o:cfgvalue(section)
330 local old_vid = self:cfgvalue(section)
331 if old_tag ~= new_tag or old_vid ~= new_vid then
332 local old_ifname = (old_tag == "u") and o.info.device
333 or "%s.%s" %{ o.info.device, old_vid }
335 local new_ifname = (new_tag == "u") and o.info.device
336 or "%s.%s" %{ o.info.device, new_vid }
338 if old_ifname ~= new_ifname then
339 update_interfaces(old_ifname, new_ifname)
345 if enable_vlan4k then
346 m:set(sid, "enable_vlan4k", "1")
349 m:set(section, "ports", table.concat(p, " "))
350 return Value.write(self, section, new_vid)
353 -- Fallback to "vlan" option if "vid" option is supported but unset.
354 vid.cfgvalue = function(self, section)
355 return m:get(section, has_vlan4k or "vlan")
356 or m:get(section, "vlan")
360 for _, pt in ipairs(topo.ports) do
361 local po = s:option(ListValue, tostring(pt.num), pt.label)
363 po:value("", translate("off"))
365 if not pt.tagged then
366 po:value("u", translate("untagged"))
369 po:value("t", translate("tagged"))
371 po.cfgvalue = portvalue
372 po.validate = portvalidate
373 po.write = function() end
376 port_opts[#port_opts+1] = po
379 table.sort(port_opts, function(a, b) return a.option < b.option end)
380 switches[#switches+1] = switch_name
384 -- Switch status template
385 s = m:section(SimpleSection)
386 s.template = "admin_network/switch_status"
387 s.switches = switches