wireless.lua

#!/usr/bin/lua

local site = require 'gluon.site_config'
local util = require 'gluon.util'

local uci = require('luci.model.uci').cursor()


local function is_disabled(config, name)
  local disabled = config.disabled
  if uci:get('wireless', name) then
    disabled = uci:get_bool('wireless', name, 'disabled')
  end

  return disabled and 1 or 0
end

local function configure_client(config, index, name, ifname)
  local disabled = is_disabled(config, name)

  uci:delete('wireless', name)

  if config ~= nil then
    uci:section('wireless', 'wifi-iface', name,
      {
        device = radio,
        network = 'client',
        mode = 'ap',
        ssid = config.ssid,
        macaddr = util.generate_mac(2, index),
        ifname = ifname,
        disabled = disabled,
      }
    )
  end
end

local function configure_ibss(config, index, name, ifname)
  local disabled = is_disabled(config, name)

  uci:delete('network', name)
  uci:delete('network', name .. '_vlan')
  uci:delete('wireless', name)

  if config ~= nil then
    if config.vlan then
      uci:section('network', 'interface', name,
        {
          proto = 'none',
        }
      )

      uci:section('network', 'interface', name .. '_vlan',
        {
          ifname = '@' .. name .. '.' .. config.vlan,
          proto = 'batadv',
          mesh = 'bat0',
        }
      )
    else
      uci:section('network', 'interface', name,
        {
          proto = 'batadv',
          mesh = 'bat0',
        }
      )
    end

    uci:section('wireless', 'wifi-iface', name,
      {
        device = radio,
        network = name,
        mode = 'adhoc',
        ssid = config.ssid,
        bssid = config.bssid,
        macaddr = util.generate_mac(3, index),
        mcast_rate = config.mcast_rate,
        ifname = ifname,
        disabled = disabled,
      }
    )
  end
end

local function configure_mesh(config, index, name, ifname)
  local disabled = is_disabled(config, name)

  uci:delete('network', name)
  uci:delete('wireless', name)

  if config ~= nil then
    uci:section('network', 'interface', name,
      {
        proto = 'batadv',
        mesh = 'bat0',
      }
    )

    uci:section('wireless', 'wifi-iface', name,
      {
        device = radio,
        network = name,
        mode = 'mesh',
        mesh_id = config.id,
        mesh_fwding = 0,
        macaddr = util.generate_mac(5, index),
        mcast_rate = config.mcast_rate,
        ifname = ifname,
        disabled = disabled,
      }
    )
  end
end

local function configure_radio(radio, index, config)
  local suffix = radio:match('^radio(%d+)$')

  uci:delete('wireless', radio, 'disabled')

  uci:set('wireless', radio, 'channel', config.channel)
  uci:set('wireless', radio, 'htmode', config.htmode)
  uci:set('wireless', radio, 'country', site.regdom)

  configure_client(config.master, index, 'client_' .. radio, suffix and 'client' .. suffix)
  configure_ibss(config.master, index, 'ibss_' .. radio, suffix and 'ibss' .. suffix)
  configure_mesh(config.master, index, 'mesh_' .. radio, suffix and 'mesh' .. suffix)
end


local radios = {}

uci:foreach('wireless', 'wifi-device',
  function(s)
    table.insert(radios, s['.name'])
  end
)

for index, radio in ipairs(radios) do
  local hwmode = uci:get('wireless', radio, 'hwmode')

  if hwmode == '11g' or hwmode == '11ng' then
    configure_radio(radio, index, site.wifi24)
  elseif hwmode == '11a' or hwmode == '11na' then
    configure_radio(radio, index, site.wifi5)
  end
end


uci:save('wireless')
uci:save('network')
uci:commit('wireless')
uci:commit('network')