New startScan API for 6Ghz RNR support

Need this new API to configure whether RNR should be activated.

Bug: 158335433
Test: atest android.net.wifi

Change-Id: Id3c1350b59e578081d8937b8140ed20ee8b551a6

2 files changed, 25 insertions, 2 deletions

diff --git a/wifi/java/src/android/net/wifi/nl80211/SingleScanSettings.java b/wifi/java/src/android/net/wifi/nl80211/SingleScanSettings.java
index 24b1854fbf6c..1d479fc14d29 100644
--- a/wifi/java/src/android/net/wifi/nl80211/SingleScanSettings.java
+++ b/wifi/java/src/android/net/wifi/nl80211/SingleScanSettings.java
@@ -32,6 +32,7 @@ public class SingleScanSettings implements Parcelable {
     private static final String TAG = "SingleScanSettings";
 
     public int scanType;
+    public boolean enable6GhzRnr;
     public ArrayList<ChannelSettings> channelSettings;
     public ArrayList<HiddenNetwork> hiddenNetworks;
 
@@ -50,6 +51,7 @@ public class SingleScanSettings implements Parcelable {
             return false;
         }
         return scanType == settings.scanType
+                && enable6GhzRnr == settings.enable6GhzRnr
                 && channelSettings.equals(settings.channelSettings)
                 && hiddenNetworks.equals(settings.hiddenNetworks);
     }
@@ -57,7 +59,7 @@ public class SingleScanSettings implements Parcelable {
     /** override hash code */
     @Override
     public int hashCode() {
-        return Objects.hash(scanType, channelSettings, hiddenNetworks);
+        return Objects.hash(scanType, channelSettings, hiddenNetworks, enable6GhzRnr);
     }
 
 
@@ -83,6 +85,7 @@ public class SingleScanSettings implements Parcelable {
             Log.wtf(TAG, "Invalid scan type " + scanType);
         }
         out.writeInt(scanType);
+        out.writeBoolean(enable6GhzRnr);
         out.writeTypedList(channelSettings);
         out.writeTypedList(hiddenNetworks);
     }
@@ -100,6 +103,7 @@ public class SingleScanSettings implements Parcelable {
             if (!isValidScanType(result.scanType)) {
                 Log.wtf(TAG, "Invalid scan type " + result.scanType);
             }
+            result.enable6GhzRnr = in.readBoolean();
             result.channelSettings = new ArrayList<ChannelSettings>();
             in.readTypedList(result.channelSettings, ChannelSettings.CREATOR);
             result.hiddenNetworks = new ArrayList<HiddenNetwork>();
diff --git a/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java b/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
index db2eb99297c2..ef2653204af5 100644
--- a/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
+++ b/wifi/java/src/android/net/wifi/nl80211/WifiNl80211Manager.java
@@ -28,6 +28,7 @@ import android.net.wifi.SoftApInfo;
 import android.net.wifi.WifiAnnotations;
 import android.net.wifi.WifiScanner;
 import android.os.Binder;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.RemoteException;
@@ -90,6 +91,10 @@ public class WifiNl80211Manager {
      */
     public static final int SCAN_TYPE_PNO_SCAN = 1;
 
+    // Extra scanning parameter used to enable 6Ghz RNR (Reduced Neighbour Support).
+    public static final String SCANNING_PARAM_ENABLE_6GHZ_RNR =
+            "android.net.wifi.nl80211.SCANNING_PARAM_ENABLE_6GHZ_RNR";
+
     private AlarmManager mAlarmManager;
     private Handler mEventHandler;
 
@@ -911,6 +916,15 @@ public class WifiNl80211Manager {
     }
 
     /**
+     * @deprecated replaced by {@link #startScan(String, int, Set, List, Bundle)}
+     **/
+    @Deprecated
+    public boolean startScan(@NonNull String ifaceName, @WifiAnnotations.ScanType int scanType,
+            @Nullable Set<Integer> freqs, @Nullable List<byte[]> hiddenNetworkSSIDs) {
+        return startScan(ifaceName, scanType, freqs, hiddenNetworkSSIDs, null);
+    }
+
+    /**
      * Start a scan using the specified parameters. A scan is an asynchronous operation. The
      * result of the operation is returned in the {@link ScanEventCallback} registered when
      * setting up an interface using
@@ -929,11 +943,13 @@ public class WifiNl80211Manager {
      * @param freqs list of frequencies to scan for, if null scan all supported channels.
      * @param hiddenNetworkSSIDs List of hidden networks to be scanned for, a null indicates that
      *                           no hidden frequencies will be scanned for.
+     * @param extraScanningParams bundle of extra scanning parameters.
      * @return Returns true on success, false on failure (e.g. when called before the interface
      * has been set up).
      */
     public boolean startScan(@NonNull String ifaceName, @WifiAnnotations.ScanType int scanType,
-            @Nullable Set<Integer> freqs, @Nullable List<byte[]> hiddenNetworkSSIDs) {
+            @Nullable Set<Integer> freqs, @Nullable List<byte[]> hiddenNetworkSSIDs,
+            @Nullable Bundle extraScanningParams) {
         IWifiScannerImpl scannerImpl = getScannerImpl(ifaceName);
         if (scannerImpl == null) {
             Log.e(TAG, "No valid wificond scanner interface handler for iface=" + ifaceName);
@@ -948,6 +964,9 @@ public class WifiNl80211Manager {
         }
         settings.channelSettings  = new ArrayList<>();
         settings.hiddenNetworks  = new ArrayList<>();
+        if (extraScanningParams != null) {
+            settings.enable6GhzRnr = extraScanningParams.getBoolean(SCANNING_PARAM_ENABLE_6GHZ_RNR);
+        }
 
         if (freqs != null) {
             for (Integer freq : freqs) {