LuCI - Lua Configuration Interface
Copyright 2008 Steven Barth <steven@midlink.org>
+Copyright 2010-2011 Jo-Philipp Wich <xm@subsignal.org>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
http://www.apache.org/licenses/LICENSE-2.0
-$Id$
]]--
-m = Map("network", translate("a_n_switch"), translate("a_n_switch1"))
-s = m:section(TypedSection, "switch", "")
+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."))
-for i = 0, 15 do
- s:option(Value, "vlan"..i, "ethX."..i).optional = true
-end
+local fs = require "nixio.fs"
+local switches = { }
-return m
\ No newline at end of file
+m.uci:foreach("network", "switch",
+ function(x)
+ local sid = x['.name']
+ local switch_name = x.name or sid
+ local has_vlan = nil
+ local has_learn = nil
+ local has_vlan4k = nil
+ local has_jumbo3 = nil
+ local has_mirror = nil
+ local min_vid = 0
+ local max_vid = 16
+ local num_vlans = 16
+ local cpu_port = tonumber(fs.readfile("/proc/switch/eth0/cpuport") or 5)
+ local num_ports = cpu_port + 1
+
+ local switch_title
+ local enable_vlan4k = false
+
+ -- Parse some common switch properties from swconfig help output.
+ local swc = io.popen("swconfig dev %q help 2>/dev/null" % switch_name)
+ if swc then
+
+ local is_port_attr = false
+ local is_vlan_attr = false
+
+ while true do
+ local line = swc:read("*l")
+ if not line then break end
+
+ if line:match("^%s+%-%-vlan") then
+ is_vlan_attr = true
+
+ elseif line:match("^%s+%-%-port") then
+ is_vlan_attr = false
+ is_port_attr = true
+
+ elseif line:match("cpu @") then
+ switch_title = line:match("^switch%d: %w+%((.-)%)")
+ num_ports, cpu_port, num_vlans =
+ line:match("ports: (%d+) %(cpu @ (%d+)%), vlans: (%d+)")
+
+ num_ports = tonumber(num_ports) or 6
+ num_vlans = tonumber(num_vlans) or 16
+ cpu_port = tonumber(cpu_port) or 5
+ min_vid = 1
+
+ elseif line:match(": pvid") or line:match(": tag") or line:match(": vid") then
+ if is_vlan_attr then has_vlan4k = line:match(": (%w+)") end
+
+ elseif line:match(": enable_vlan4k") then
+ enable_vlan4k = true
+
+ elseif line:match(": enable_vlan") then
+ has_vlan = "enable_vlan"
+
+ elseif line:match(": enable_learning") then
+ has_learn = "enable_learning"
+
+ elseif line:match(": enable_mirror_rx") then
+ has_mirror = "enable_mirror_rx"
+
+ elseif line:match(": max_length") then
+ has_jumbo3 = "max_length"
+ end
+ end
+
+ swc:close()
+ end
+
+
+ -- Switch properties
+ s = m:section(NamedSection, x['.name'], "switch",
+ switch_title and translatef("Switch %q (%s)", switch_name, switch_title)
+ or translatef("Switch %q", switch_name))
+
+ s.addremove = false
+
+ if has_vlan then
+ s:option(Flag, has_vlan, translate("Enable VLAN functionality"))
+ end
+
+ if has_learn then
+ x = s:option(Flag, has_learn, translate("Enable learning and aging"))
+ x.default = x.enabled
+ end
+
+ if has_jumbo3 then
+ x = s:option(Flag, has_jumbo3, translate("Enable Jumbo Frame passthrough"))
+ x.enabled = "3"
+ x.rmempty = true
+ end
+
+ -- Does this switch support port mirroring?
+ if has_mirror then
+ s:option(Flag, "enable_mirror_rx", translate("Enable mirroring of incoming packets"))
+ s:option(Flag, "enable_mirror_tx", translate("Enable mirroring of outgoing packets"))
+
+ local sp = s:option(ListValue, "mirror_source_port", translate("Mirror source port"))
+ local mp = s:option(ListValue, "mirror_monitor_port", translate("Mirror monitor port"))
+
+ local pt
+ for pt = 0, num_ports - 1 do
+ local name
+
+ name = (pt == cpu_port) and translate("CPU") or translatef("Port %d", pt)
+
+ sp:value(pt, name)
+ mp:value(pt, name)
+ end
+ end
+
+ -- VLAN table
+ s = m:section(TypedSection, "switch_vlan",
+ switch_title and translatef("VLANs on %q (%s)", switch_name, switch_title)
+ or translatef("VLANs on %q", switch_name))
+
+ s.template = "cbi/tblsection"
+ s.addremove = true
+ s.anonymous = true
+
+ -- Filter by switch
+ s.filter = function(self, section)
+ local device = m:get(section, "device")
+ return (device and device == switch_name)
+ end
+
+ -- Override cfgsections callback to enforce row ordering by vlan id.
+ s.cfgsections = function(self)
+ local osections = TypedSection.cfgsections(self)
+ local sections = { }
+ local section
+
+ for _, section in luci.util.spairs(
+ osections,
+ function(a, b)
+ return (tonumber(m:get(osections[a], has_vlan4k or "vlan")) or 9999)
+ < (tonumber(m:get(osections[b], has_vlan4k or "vlan")) or 9999)
+ end
+ ) do
+ sections[#sections+1] = section
+ end
+
+ return sections
+ end
+
+ -- When creating a new vlan, preset it with the highest found vid + 1.
+ s.create = function(self, section, origin)
+ -- Filter by switch
+ if m:get(origin, "device") ~= switch_name then
+ return
+ end
+
+ local sid = TypedSection.create(self, section)
+
+ local max_nr = 0
+ local max_id = 0
+
+ m.uci:foreach("network", "switch_vlan",
+ function(s)
+ if s.device == switch_name then
+ local nr = tonumber(s.vlan)
+ local id = has_vlan4k and tonumber(s[has_vlan4k])
+ if nr ~= nil and nr > max_nr then max_nr = nr end
+ if id ~= nil and id > max_id then max_id = id end
+ end
+ end)
+
+ m:set(sid, "device", switch_name)
+ m:set(sid, "vlan", max_nr + 1)
+
+ if has_vlan4k then
+ m:set(sid, has_vlan4k, max_id + 1)
+ end
+
+ return sid
+ end
+
+
+ local port_opts = { }
+ local untagged = { }
+
+ -- Parse current tagging state from the "ports" option.
+ local portvalue = function(self, section)
+ local pt
+ for pt in (m:get(section, "ports") or ""):gmatch("%w+") do
+ local pc, tu = pt:match("^(%d+)([tu]*)")
+ if pc == self.option then return (#tu > 0) and tu or "u" end
+ end
+ return ""
+ end
+
+ -- Validate port tagging. Ensure that a port is only untagged once,
+ -- bail out if not.
+ local portvalidate = function(self, value, section)
+ -- ensure that the ports appears untagged only once
+ if value == "u" then
+ if not untagged[self.option] then
+ untagged[self.option] = true
+ elseif min_vid > 0 or tonumber(self.option) ~= cpu_port then -- enable multiple untagged cpu ports due to weird broadcom default setup
+ return nil,
+ translatef("Port %d is untagged in multiple VLANs!", tonumber(self.option) + 1)
+ end
+ end
+ return value
+ end
+
+
+ local vid = s:option(Value, has_vlan4k or "vlan", "VLAN ID", "<div id='portstatus-%s'></div>" % switch_name)
+ local mx_vid = has_vlan4k and 4094 or (num_vlans - 1)
+
+ vid.rmempty = false
+ vid.forcewrite = true
+ vid.vlan_used = { }
+ vid.datatype = "and(uinteger,range("..min_vid..","..mx_vid.."))"
+
+ -- Validate user provided VLAN ID, make sure its within the bounds
+ -- allowed by the switch.
+ vid.validate = function(self, value, section)
+ local v = tonumber(value)
+ local m = has_vlan4k and 4094 or (num_vlans - 1)
+ if v ~= nil and v >= min_vid and v <= m then
+ if not self.vlan_used[v] then
+ self.vlan_used[v] = true
+ return value
+ else
+ return nil,
+ translatef("Invalid VLAN ID given! Only unique IDs are allowed")
+ end
+ else
+ return nil,
+ translatef("Invalid VLAN ID given! Only IDs between %d and %d are allowed.", min_vid, m)
+ end
+ end
+
+ -- When writing the "vid" or "vlan" option, serialize the port states
+ -- as well and write them as "ports" option to uci.
+ vid.write = function(self, section, value)
+ local o
+ local p = { }
+
+ for _, o in ipairs(port_opts) do
+ local v = o:formvalue(section)
+ if v == "t" then
+ p[#p+1] = o.option .. v
+ elseif v == "u" then
+ p[#p+1] = o.option
+ end
+ end
+
+ if enable_vlan4k then
+ m:set(sid, "enable_vlan4k", "1")
+ end
+
+ m:set(section, "ports", table.concat(p, " "))
+ return Value.write(self, section, value)
+ end
+
+ -- Fallback to "vlan" option if "vid" option is supported but unset.
+ vid.cfgvalue = function(self, section)
+ return m:get(section, has_vlan4k or "vlan")
+ or m:get(section, "vlan")
+ end
+
+ -- Build per-port off/untagged/tagged choice lists.
+ local pt
+ for pt = 0, num_ports - 1 do
+ local title
+ if pt == cpu_port then
+ title = translate("CPU")
+ else
+ title = translatef("Port %d", pt)
+ end
+
+ local po = s:option(ListValue, tostring(pt), title)
+
+ po:value("", translate("off"))
+ po:value("u", translate("untagged"))
+ po:value("t", translate("tagged"))
+
+ po.cfgvalue = portvalue
+ po.validate = portvalidate
+ po.write = function() end
+
+ port_opts[#port_opts+1] = po
+ end
+
+ switches[#switches+1] = switch_name
+ end
+)
+
+-- Switch status template
+s = m:section(SimpleSection)
+s.template = "admin_network/switch_status"
+s.switches = switches
+
+return m
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