[nrf noup] Wifi directed scan with single scan

This commit implements directed scanning and
single ssid scanning while commissioning.

Signed-off-by: Patryk Lipinski <patryk.lipinski@nordicsemi.no>

Author: LipinskiPNordicSemi

src/platform/nrfconnect/wifi/WiFiManager.cpp

@@ -188,14 +188,26 @@ CHIP_ERROR WiFiManager::Scan(const ByteSpan & ssid, ScanResultCallback resultCal
     mWiFiState          = WIFI_STATE_SCANNING;
     mSsidFound          = false;
 
-    if (0 != net_mgmt(NET_REQUEST_WIFI_SCAN, mNetIf, NULL, 0))
+    if (!ssid.empty())
     {
-        ChipLogError(DeviceLayer, "Scan request failed");
-        return CHIP_ERROR_INTERNAL;
+        memcpy(mScanSsidBuffer, ssid.data(), ssid.size());
+        mScanParams.ssids[0] = reinterpret_cast<const char *>(&mScanSsidBuffer);
+        if (0 != net_mgmt(NET_REQUEST_WIFI_SCAN, mNetIf, &mScanParams, sizeof(mScanParams)))
+        {
+            ChipLogError(DeviceLayer, "Scan request failed");
+            return CHIP_ERROR_INTERNAL;
+        }
+    }
+    else
+    {
+        if (0 != net_mgmt(NET_REQUEST_WIFI_SCAN, mNetIf, NULL, 0))
+        {
+            ChipLogError(DeviceLayer, "Scan request failed");
+            return CHIP_ERROR_INTERNAL;
+        }
     }
 
     ChipLogDetail(DeviceLayer, "WiFi scanning started...");
-
     return CHIP_NO_ERROR;
 }
 
@@ -420,8 +432,8 @@ void WiFiManager::ConnectHandler(Platform::UniquePtr<uint8_t> data)
 {
     CHIP_ERROR err = SystemLayer().ScheduleLambda([capturedData = data.get()] {
         Platform::UniquePtr<uint8_t> safePtr(capturedData);
-        uint8_t * rawData               = safePtr.get();
-        const wifi_status * status      = reinterpret_cast<const wifi_status *>(rawData);
+        uint8_t * rawData          = safePtr.get();
+        const wifi_status * status = reinterpret_cast<const wifi_status *>(rawData);
 
         if (status->status)
         {

src/platform/nrfconnect/wifi/WiFiManager.h

@@ -219,6 +219,8 @@ class WiFiManager
     net_if * mNetIf{ nullptr };
     ConnectionParams mWiFiParams{};
     ConnectionHandling mHandling;
+    struct wifi_scan_params mScanParams;
+    char mScanSsidBuffer[DeviceLayer::Internal::kMaxWiFiSSIDLength] = { 0 };
     wifi_iface_state mWiFiState;
     wifi_iface_state mCachedWiFiState;
     net_mgmt_event_callback mWiFiMgmtClbk{};