[openwrt/openwrt] wifi-scripts: refactor iwinfo.uc to support dynamic data updates

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch openwrt-25.12:
https://git.openwrt.org/8725a4713e0b28fca194447118bb06ad039592dd

commit 8725a4713e0b28fca194447118bb06ad039592dd
Author: John Crispin <john at phrozen.org>
AuthorDate: Fri Sep 19 17:05:30 2025 +0200

    wifi-scripts: refactor iwinfo.uc to support dynamic data updates
    
    Moved interface discovery and data population into an exported update()
    function that can be called on-demand to refresh wireless interface
    information. This allows using iwinfo.uc as a library inside daemons.
    
    Signed-off-by: John Crispin <john at phrozen.org>
    (cherry picked from commit 26eab84f81ad0fa8018c950530d5c7a7b0a3b5d7)
---
 .../files-ucode/usr/share/ucode/iwinfo.uc          | 78 ++++++++++++----------
 1 file changed, 44 insertions(+), 34 deletions(-)

diff --git a/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/iwinfo.uc b/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/iwinfo.uc
index 9926d420e7..35b9f646c7 100644
--- a/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/iwinfo.uc
+++ b/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/iwinfo.uc
@@ -8,11 +8,11 @@ let wifi_devices = json(readfile('/usr/share/wifi_devices.json'));
 let countries = json(readfile('/usr/share/iso3166.json'));
 let board_data = json(readfile('/etc/board.json'));
 
-export let phys = nl80211.request(nl80211.const.NL80211_CMD_GET_WIPHY, nl80211.const.NLM_F_DUMP, { split_wiphy_dump: true });
-let interfaces = nl80211.request(nl80211.const.NL80211_CMD_GET_INTERFACE, nl80211.const.NLM_F_DUMP);
-
 let ubus = libubus.connect();
-let wireless_status = ubus.call('network.wireless', 'status');
+
+export let phys;
+let interfaces;
+let wireless_status;
 
 function find_phy(wiphy) {
 	for (let k,  phy in phys)
@@ -93,39 +93,47 @@ const iftypes = [
 ];
 
 export let ifaces = {};
-for (let k, v in interfaces) {
-	let iface = ifaces[v.ifname] = v;
-
-	iface.mode = iftypes[iface.iftype] ?? 'unknown',
-	iface.noise = get_noise(iface);
-	iface.country = get_country(iface);
-	iface.max_power = get_max_power(iface);
-	iface.assoclist = nl80211.request(nl80211.const.NL80211_CMD_GET_STATION, nl80211.const.NLM_F_DUMP, { dev: v.ifname }) ?? [];
-	iface.hardware = get_hardware_id(iface);
-
-	iface.bss_info = ubus.call('hostapd', 'bss_info', { iface: v.ifname });
-	if (!iface.bss_info)
-		iface.bss_info = ubus.call('wpa_supplicant', 'bss_info', { iface: v.ifname });
-}
 
-for (let radio, data in wireless_status)
-	for (let k, v in data.interfaces) {
-		if (!v.ifname || !ifaces[v.ifname])
-			continue;
+export function update() {
+	phys = nl80211.request(nl80211.const.NL80211_CMD_GET_WIPHY, nl80211.const.NLM_F_DUMP, { split_wiphy_dump: true });
+	interfaces = nl80211.request(nl80211.const.NL80211_CMD_GET_INTERFACE, nl80211.const.NLM_F_DUMP);
+	wireless_status = ubus.call('network.wireless', 'status');
+
+	ifaces = {};
+	for (let k, v in interfaces) {
+		let iface = ifaces[v.ifname] = v;
+
+		iface.mode = iftypes[iface.iftype] ?? 'unknown',
+		iface.noise = get_noise(iface);
+		iface.country = get_country(iface);
+		iface.max_power = get_max_power(iface);
+		iface.assoclist = nl80211.request(nl80211.const.NL80211_CMD_GET_STATION, nl80211.const.NLM_F_DUMP, { dev: v.ifname }) ?? [];
+		iface.hardware = get_hardware_id(iface);
+
+		iface.bss_info = ubus.call('hostapd', 'bss_info', { iface: v.ifname });
+		if (!iface.bss_info)
+			iface.bss_info = ubus.call('wpa_supplicant', 'bss_info', { iface: v.ifname });
+	}
 
-		ifaces[v.ifname].ssid = v.config.ssid || v.config.mesh_id;
-		ifaces[v.ifname].radio = data.config;
-		
-		let bss_info = ifaces[v.ifname].bss_info;
-		let owe_transition_ifname = bss_info?.owe_transition_ifname;
-
-		if (v.config.owe_transition && ifaces[owe_transition_ifname]) {
-			ifaces[v.ifname].owe_transition_ifname = owe_transition_ifname;
-			ifaces[owe_transition_ifname].ssid = v.config.ssid;
-			ifaces[owe_transition_ifname].radio = data.config;
-			ifaces[owe_transition_ifname].owe_transition_ifname = v.ifname
+	for (let radio, data in wireless_status)
+		for (let k, v in data.interfaces) {
+			if (!v.ifname || !ifaces[v.ifname])
+				continue;
+
+			ifaces[v.ifname].ssid = v.config.ssid || v.config.mesh_id;
+			ifaces[v.ifname].radio = data.config;
+
+			let bss_info = ifaces[v.ifname].bss_info;
+			let owe_transition_ifname = bss_info?.owe_transition_ifname;
+
+			if (v.config.owe_transition && ifaces[owe_transition_ifname]) {
+				ifaces[v.ifname].owe_transition_ifname = owe_transition_ifname;
+				ifaces[owe_transition_ifname].ssid = v.config.ssid;
+				ifaces[owe_transition_ifname].radio = data.config;
+				ifaces[owe_transition_ifname].owe_transition_ifname = v.ifname
+			}
 		}
-	}
+};
 
 function format_channel(freq) {
 	if (freq < 1000)
@@ -674,3 +682,5 @@ export function scan(dev) {
 
 	return cells;
 };
+
+update();