modules/admin-full/luasrc/model/cbi/admin_network/vlan.lua

   1 --[[
   2 LuCI - Lua Configuration Interface
   3
   4 Copyright 2008 Steven Barth <steven@midlink.org>
   5 Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
   6
   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
  10
  11         http://www.apache.org/licenses/LICENSE-2.0
  12
  13 $Id$
  14 ]]--
  15
  16 m = Map("network", translate("Switch"), translate("The network ports on your router 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
  18 m.uci:foreach("network", "switch",
  19         function(x)
  20                 local switch_name = x.name or x['.name']
  21                 local has_vlan4k  = nil
  22                 local has_ptpvid  = nil
  23                 local max_vid     = 16
  24                 local num_vlans   = 16
  25                 local num_ports   = 5
  26                 local cpu_port    = 5
  27
  28                 local swc = io.popen("swconfig dev %q help 2>/dev/null" % switch_name)
  29                 if swc then
  30
  31                         local is_port_attr = false
  32                         local is_vlan_attr = false
  33
  34                         while true do
  35                                 local line = swc:read("*l")
  36                                 if not line then break end
  37
  38                                 if line:match("^%s+%-%-vlan") then
  39                                         is_vlan_attr = true
  40
  41                                 elseif line:match("^%s+%-%-port") then
  42                                         is_vlan_attr = false
  43                                         is_port_attr = true
  44
  45                                 elseif line:match("^Switch %d+:") then
  46                                         num_ports, cpu_port, num_vlans =
  47                                                 line:match("ports: (%d+) %(cpu @ (%d+)%), vlans: (%d+)")
  48
  49                                         num_ports = tonumber(num_ports or  5)
  50                                         num_vlans = tonumber(num_vlans or 16)
  51                                         cpu_port  = tonumber(cpu_port  or  5)
  52
  53                                 elseif line:match("%-%-pvid") or line:match("%-%-tag") or line:match("%-%-vid") then
  54                                         if is_vlan_attr then has_vlan4k = line:match("%-%-(%w+)") end
  55                                         if is_port_attr then has_ptpvid = line:match("%-%-(%w+)") end
  56
  57                                 end
  58                         end
  59
  60                         swc:close()
  61                 end
  62
  63                 -- Switch properties
  64                 s = m:section(NamedSection, x['.name'], "switch", "Switch %q" % switch_name)
  65                 s.addremove = false
  66
  67                 s:option(Flag, "enable", "Enable this switch")
  68                         .cfgvalue = function(self, section) return Flag.cfgvalue(self, section) or self.enabled end
  69
  70                 s:option(Flag, "enable_vlan", "Enable VLAN functionality")
  71                         .cfgvalue = function(self, section) return Flag.cfgvalue(self, section) or self.enabled end
  72
  73                 s:option(Flag, "reset", "Reset switch during setup")
  74                         .cfgvalue = function(self, section) return Flag.cfgvalue(self, section) or self.enabled end
  75
  76
  77                 -- VLAN table
  78                 s = m:section(TypedSection, "switch_vlan", "VLANs on %q" % switch_name)
  79                 s.template = "cbi/tblsection"
  80                 s.addremove = true
  81                 s.anonymous = true
  82
  83                 s.cfgsections = function(self)
  84                         local osections = TypedSection.cfgsections(self)
  85                         local sections = { }
  86                         local section
  87
  88                         for _, section in luci.util.spairs(
  89                                 osections,
  90                                 function(a, b)
  91                                         return (tonumber(m.uci:get("network", osections[a], has_vlan4k or "vlan") or 9999) or 0)
  92                                                 <  (tonumber(m.uci:get("network", osections[b], has_vlan4k or "vlan") or 9999) or 0)
  93                                 end
  94                         ) do
  95                                 sections[#sections+1] = section
  96                         end
  97
  98                         return sections
  99                 end
 100
 101                 local port_opts = { }
 102                 local untagged  = { }
 103
 104                 local portvalue = function(self, section)
 105                         local pt
 106                         for pt in (m.uci:get("network", section, "ports") or ""):gmatch("%w+") do
 107                                 local pc, tu = pt:match("^(%d+)([tu]*)")
 108                                 if pc == self.option then return (#tu > 0) and tu or "u" end
 109                         end
 110                         return ""
 111                 end
 112
 113                 local portvalidate = function(self, value, section)
 114                         if value == "u" then
 115                                 if not untagged[self.option] then
 116                                         untagged[self.option] = true
 117                                 else
 118                                         return nil,
 119                                                 translatef("Port %d is untagged in multiple VLANs!", tonumber(self.option) + 1)
 120                                 end
 121                         end
 122                         return value
 123                 end
 124
 125
 126                 local vid = s:option(Value, has_vlan4k or "vlan", "VLAN ID")
 127
 128                 vid.required = true
 129                 vid.optional = false
 130
 131                 vid.validate = function(self, value, section)
 132                         local v = tonumber(value)
 133                         local m = has_vlan4k and 4094 or (num_vlans - 1)
 134                         if v ~= nil and v > 0 and v <= m then
 135                                 return value
 136                         else
 137                                 return nil,
 138                                         translatef("Invalid VLAN ID given! Only IDs between 1 and %d are allowed.", m)
 139                         end
 140                 end
 141
 142                 vid.parse = function(self, section)
 143                         local o
 144                         local p = { }
 145
 146                         for _, o in ipairs(port_opts) do
 147                                 local v = o:formvalue(section)
 148                                 if v == "t" then
 149                                         p[#p+1] = o.option .. v
 150                                 elseif v == "u" then
 151                                         p[#p+1] = o.option
 152                                 end
 153                         end
 154
 155                         m.uci:set("network", section, "ports", table.concat(p, " "))
 156                         return Value.parse(self, section)
 157                 end
 158
 159                 vid.formvalue = function(self, section)
 160                         local v = Value.formvalue(self, section)
 161                         return (v and #v > 0) and v or "x"
 162                 end
 163
 164
 165                 local pt
 166                 for pt = 0, num_ports - 1 do
 167                         po = s:option(ListValue, tostring(pt),
 168                                 (pt == cpu_port) and "CPU" or "Port %d" % (pt + 1))
 169
 170                         po:value("", translate("off"))
 171                         po:value("u" % pt, translate("untagged"))
 172                         po:value("t" % pt, translate("tagged"))
 173
 174                         po.cfgvalue = portvalue
 175                         po.validate = portvalidate
 176
 177                         port_opts[#port_opts+1] = po
 178                 end
 179         end
 180 )
 181
 182 return m