gluon-setup-mode: rename phys before starting setup mode

Signed-off-by: Florian Maurer <f.maurer@outlook.de>

Author: maurerle

package/gluon-setup-mode/files/lib/gluon/setup-mode/rc.d/S20network

@@ -48,6 +48,8 @@ start_service() {
 	init_switch
 	iw reg set "$(lua -e 'print(require("gluon.site").regdom())')"
 
+    /usr/bin/lua -e 'require("gluon.setup-mode").rename_phys()'
+
 	procd_open_instance
 	procd_set_param command /sbin/netifd -c /var/gluon/setup-mode/config
 	procd_set_param respawn

package/gluon-setup-mode/luasrc/usr/lib/lua/gluon/setup-mode.lua

@@ -1,4 +1,5 @@
 local platform = require 'gluon.platform'
+local json = require 'jsonc'
 
 
 local M = {}
@@ -11,4 +12,32 @@ function M.get_status_led()
 	end
 end
 
+function M.rename_phys()
+	-- Load board data from JSON file
+	local board_data = json.load('/etc/board.json')
+	local wlan_data = board_data.wlan or {}
+
+	-- Iterate over all entries in wlan_data
+	for phyname, data in pairs(wlan_data) do
+		local path = data.path
+		if path then
+			-- Get the phyname using iwinfo
+			-- lua iwinfo does return nil by path instead
+			-- local other_phyname = iwinfo.nl80211.phyname('path=' .. path)
+
+			local f = io.popen("iwinfo nl80211 phyname path=" .. path)
+			local other_phyname = f:read("*a")
+			f:close()
+
+			-- Check if the retrieved phyname doesn't match the key
+			if other_phyname ~= "" and other_phyname ~= phyname then
+				-- Execute the command
+				os.execute(string.format("iw %s set name %s", other_phyname, phyname))
+
+				print(string.format("Renamed phy %s to %s", other_phyname, phyname))
+			end
+		end
+	end
+end
+
 return M