[openwrt/openwrt] wifi-scripts: ucode: add support for scan_list

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/9736d42141289455eb47b6088800fd384ab732be

commit 9736d42141289455eb47b6088800fd384ab732be
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Fri Aug 15 19:41:44 2025 +0200

    wifi-scripts: ucode: add support for scan_list
    
    Speed up connecting in client mode by allowing to limit the channels that
    need to be scanned.
    
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 .../files-ucode/usr/share/schema/wireless.wifi-device.json         | 7 +++++++
 .../wifi-scripts/files-ucode/usr/share/ucode/wifi/supplicant.uc    | 4 +++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/package/network/config/wifi-scripts/files-ucode/usr/share/schema/wireless.wifi-device.json b/package/network/config/wifi-scripts/files-ucode/usr/share/schema/wireless.wifi-device.json
index f5f3628037..08e4c792c8 100644
--- a/package/network/config/wifi-scripts/files-ucode/usr/share/schema/wireless.wifi-device.json
+++ b/package/network/config/wifi-scripts/files-ucode/usr/share/schema/wireless.wifi-device.json
@@ -618,6 +618,13 @@
 			"type": "boolean",
 			"default": true
 		},
+		"scan_list": {
+			"description": "List of frequencies (in MHz) to scan when looking for networks in client mode",
+			"type": "array",
+			"items": {
+				"type": "number"
+			}
+		},
 		"short_gi_160": {
 			"description": "Short GI for 160 MHz",
 			"type": "boolean",
diff --git a/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/supplicant.uc b/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/supplicant.uc
index 1c41e3c396..8e5697b4f3 100644
--- a/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/supplicant.uc
+++ b/package/network/config/wifi-scripts/files-ucode/usr/share/ucode/wifi/supplicant.uc
@@ -190,8 +190,10 @@ export function generate(config_list, data, interface) {
 
 	interface.config.country = data.config.country_code;
 	interface.config.beacon_int = data.config.beacon_int;
+	if (data.config.scan_list)
+		interface.config.scan_list = join(" ", data.config.scan_list);
 
-	append_vars(interface.config, [ 'country', 'beacon_int' ]);
+	append_vars(interface.config, [ 'country', 'beacon_int', 'scan_list' ]);
 
 	setup_sta(data.config, interface.config);