Reference

nl80211_dump_interface.lua

#!/usr/bin/env eco

local nl80211 = require 'eco.nl80211'

local function prin_interfaces(interfaces)
    local thisphy

    for _, info in ipairs(interfaces) do
        if info.phy ~= thisphy then
            print('#phy' .. info.phy)
            thisphy = info.phy
        end

        print('\tInterface ' .. info.ifname)
        print('\t\tifindex:', info.ifindex)
        print('\t\tmac:', info.mac)
        print('\t\tuse_4addr:', info.use_4addr)

        if info.ssid then
            print('\t\tssid:', nl80211.escape_ssid(info.ssid))
        end

        print('\t\ttype:', nl80211.iftype_name(info.iftype))

        if info.freq then
            local chan_info = string.format('%d (%d MHz)', nl80211.freq_to_channel(info.freq), info.freq)

            if info.channel_width then
                chan_info = chan_info .. ', width: ' .. nl80211.width_name(info.channel_width)

                if info.center_freq1 then
                    chan_info = chan_info .. ', center1: ' .. string.format('%d MHz', info.center_freq1)
                end

                if info.center_freq2 then
                    chan_info = chan_info .. ', center2: ' .. string.format('%d MHz', info.center_freq2)
                end
            elseif info.channel_type then
                chan_info = chan_info .. ' ' .. nl80211.channel_type_name(info.channel_type)
            end

            print('\t\tchannel:', chan_info)
        end

        if info.txpower then
            print('\t\ttxpower:', string.format('%d.%.2d dBm', info.txpower / 100, info.txpower % 100))
        end
    end
end

local interfaces, err = nl80211.get_interfaces()
if not interfaces then
    print(err)
    return
end

prin_interfaces(interfaces)
lua-eco

Examples

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Topics

nl80211_dump_interface.lua
