treewide: use radio band option to determine frequency band

The 'hwmode' setting has been replaced with 'band' in OpenWrt to add
support for newer bands outside of 2.4G and 5G. Adjust Gluon accordingly.

[Matthias Schiffer: rebased, extended commit message]

package/gluon-config-mode-outdoor/luasrc/lib/gluon/config-mode/wizard/0250-outdoor.lua

@@ -31,7 +31,7 @@ return function(form, uci)
 			if data == false then
 				local mesh_ifaces_5ghz = {}
 				uci:foreach('wireless', 'wifi-device', function(config)
-					if config.hwmode ~= '11a' and config.hwmode ~= '11na' then
+					if config.band ~= '5g' then
 						return
 					end
 

package/gluon-core/luasrc/lib/gluon/upgrade/200-wireless

@@ -38,11 +38,11 @@ if not sysconfig.gluon_version then
 			if radio_band_count["band24"] <= radio_band_count["band5"] then
 				-- Assign radio to 2.4GHz band
 				radio_band_count["band24"] = radio_band_count["band24"] + 1
-				uci:set('wireless', radio_name, 'hwmode', '11g')
+				uci:set('wireless', radio_name, 'band', '2g')
 			else
 				-- Assign radio to 5GHz band
 				radio_band_count["band5"] = radio_band_count["band5"] + 1
-				uci:set('wireless', radio_name, 'hwmode', '11a')
+				uci:set('wireless', radio_name, 'band', '5g')
 			end
 		end
 	end)
@@ -57,7 +57,7 @@ local function get_channel(radio, config)
 	if wireless.preserve_channels(uci) then
 		-- preserved channel always wins
 		channel = radio.channel
-	elseif  (radio.hwmode == '11a' or radio.hwmode == '11na') and is_outdoor() then
+	elseif radio.band == '5g' and is_outdoor() then
 		-- actual channel will be picked and probed from chanlist
 		channel = 'auto'
 	end
@@ -66,7 +66,7 @@ local function get_channel(radio, config)
 end
 
 local function get_htmode(radio)
-	if (radio.hwmode == '11a' or radio.hwmode == '11na') and is_outdoor() then
+	if radio.band == '5g' and is_outdoor() then
 		local outdoor_htmode = uci:get('gluon', 'wireless', 'outdoor_' .. radio['.name'] .. '_htmode')
 		if outdoor_htmode ~= nil then
 			return outdoor_htmode
@@ -207,11 +207,11 @@ wireless.foreach_radio(uci, function(radio, index, config)
 	uci:delete('wireless', radio_name, 'supported_rates')
 	uci:delete('wireless', radio_name, 'basic_rate')
 
-	local hwmode = radio.hwmode
-	if hwmode == '11g' or hwmode == '11ng' then
+	local band = radio.band
+	if band == '2g' then
 		uci:set('wireless', radio_name, 'legacy_rates', false)
 		configure_mesh_wireless(radio, index, config)
-	elseif (hwmode == '11a' or hwmode == '11na') then
+	elseif (band == '5g') then
 		if is_outdoor() then
 			uci:set('wireless', radio_name, 'channels', config.outdoor_chanlist())
 

package/gluon-core/luasrc/usr/lib/lua/gluon/wireless.lua

@@ -112,11 +112,11 @@ function M.foreach_radio(uci, f)
 	end)
 
 	for index, radio in ipairs(radios) do
-		local hwmode = radio.hwmode
+		local band = radio.band
 
-		if hwmode == '11g' or hwmode == '11ng' then
+		if band == '2g' then
 			f(radio, index, site.wifi24)
-		elseif hwmode == '11a' or hwmode == '11na' then
+		elseif band == '5g' then
 			f(radio, index, site.wifi5)
 		end
 	end
@@ -165,7 +165,7 @@ function M.device_uses_11a(uci)
 	local ret = false
 
 	uci:foreach('wireless', 'wifi-device', function(radio)
-		if radio.hwmode == '11a' or radio.hwmode == '11na' then
+		if radio.band == '5g' then
 			ret = true
 			return false
 		end

package/gluon-web-wifi-config/luasrc/lib/gluon/config-mode/model/admin/wifi-config.lua

@@ -44,9 +44,9 @@ uci:foreach('wireless', 'wifi-device', function(config)
 
 	local is_5ghz = false
 	local title
-	if config.hwmode == '11g' or config.hwmode == '11ng' then
+	if config.band == '2g' then
 		title = translate("2.4GHz WLAN")
-	elseif config.hwmode == '11a' or config.hwmode == '11na' then
+	elseif config.band == '5g' then
 		is_5ghz = true
 		title = translate("5GHz WLAN")
 	else
@@ -155,9 +155,9 @@ if wireless.device_uses_11a(uci) and not wireless.preserve_channels(uci) then
 
 	uci:foreach('wireless', 'wifi-device', function(config)
 		local radio = config['.name']
-		local hwmode = uci:get('wireless', radio, 'hwmode')
+		local band = uci:get('wireless', radio, 'band')
 
-		if hwmode ~= '11a' and hwmode ~= '11na' then
+		if band ~= '5g' then
 			return
 		end