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- local fs = require 'nixio.fs'
- local iwinfo = require 'iwinfo'
- local uci = require("simple-uci").cursor()
- local util = require 'gluon.util'
- local function txpower_list(phy)
- local list = iwinfo.nl80211.txpwrlist(phy) or { }
- local off = tonumber(iwinfo.nl80211.txpower_offset(phy)) or 0
- local new = { }
- local prev = -1
- local _, val
- for _, val in ipairs(list) do
- local dbm = val.dbm + off
- local mw = math.floor(10 ^ (dbm / 10))
- if mw ~= prev then
- prev = mw
- table.insert(new, {
- display_dbm = dbm,
- display_mw = mw,
- driver_dbm = val.dbm,
- })
- end
- end
- return new
- end
- local f = Form(translate("WLAN"))
- local s = f:section(Section, nil, translate(
- "You can enable or disable your node's client and mesh network "
- .. "SSIDs here. Please don't disable the mesh network without "
- .. "a good reason, so other nodes can mesh with yours.<br /><br />"
- .. "It is also possible to configure the WLAN adapters transmission power "
- .. "here. Please note that the transmission power values include the antenna gain "
- .. "where available, but there are many devices for which the gain is unavailable or inaccurate."
- ))
- uci:foreach('wireless', 'wifi-device', function(config)
- local radio = config['.name']
- local title
- if config.hwmode == '11g' or config.hwmode == '11ng' then
- title = translate("2.4GHz WLAN")
- elseif config.hwmode == '11a' or config.hwmode == '11na' then
- title = translate("5GHz WLAN")
- else
- return
- end
- local p = f:section(Section, title)
- local function vif_option(t, msg)
- if not uci:get('wireless', t .. '_' .. radio) then
- return
- end
- local o = p:option(Flag, radio .. '_' .. t .. '_enabled', msg)
- o.default = not uci:get_bool('wireless', t .. '_' .. radio, 'disabled')
- function o:write(data)
- uci:set('wireless', t .. '_' .. radio, 'disabled', not data)
- end
- end
- vif_option('client', translate('Enable client network (access point)'))
- vif_option('mesh', translate("Enable mesh network (802.11s)"))
- vif_option('ibss', translate("Enable mesh network (IBSS)"))
- local phy = util.find_phy(config)
- if not phy then
- return
- end
- local txpowers = txpower_list(phy)
- if #txpowers <= 1 then
- return
- end
- local tp = p:option(ListValue, radio .. '_txpower', translate("Transmission power"))
- tp.default = uci:get('wireless', radio, 'txpower') or 'default'
- tp:value('default', translate("(default)"))
- table.sort(txpowers, function(a, b) return a.driver_dbm > b.driver_dbm end)
- for _, entry in ipairs(txpowers) do
- tp:value(entry.driver_dbm, string.format("%i dBm (%i mW)", entry.display_dbm, entry.display_mw))
- end
- function tp:write(data)
- if data == 'default' then
- uci:delete('wireless', radio, 'txpower')
- else
- uci:set('wireless', radio, 'txpower', data)
- end
- end
- end)
- function f:write()
- uci:commit('wireless')
- end
- return f
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