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Commit 6b5104cf authored by Sunil Ravi's avatar Sunil Ravi
Browse files

Get the device support for cross-akm roaming 

Read NL80211_ATTR_MAX_NUM_AKM_SUITES attribute from
wiphy info to get the device support for cross-akm
roaming feature.

Bug: 313038031
Test: Manual - STA connection
Test: atest DeviceWiphyCapabilitiesTest
Test: atest WifiNl80211ManagerTest
Change-Id: Ib429a4826ed3110d128c7a6929c73b73d89f06a3
parent 8a091a74

core/api/system-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -9657,6 +9657,7 @@ package android.net.wifi.nl80211 { 
  public final class DeviceWiphyCapabilities implements android.os.Parcelable {

    ctor public DeviceWiphyCapabilities();

    method public int describeContents();

    method @FlaggedApi("android.net.wifi.flags.get_device_cross_akm_roaming_support") public int getMaxNumberAkms();

    method public int getMaxNumberRxSpatialStreams();

    method public int getMaxNumberTxSpatialStreams();

    method public boolean isChannelWidthSupported(int);

wifi/java/src/android/net/wifi/nl80211/DeviceWiphyCapabilities.java

+29 −2
Original line number Diff line number Diff line
@@ -16,11 +16,13 @@ 


package android.net.wifi.nl80211;



import android.annotation.FlaggedApi;

import android.annotation.NonNull;

import android.annotation.SystemApi;

import android.net.wifi.ScanResult;

import android.net.wifi.WifiAnnotations.ChannelWidth;

import android.net.wifi.WifiAnnotations.WifiStandard;

import android.net.wifi.flags.Flags;

import android.os.Parcel;

import android.os.Parcelable;

import android.util.Log;
@@ -48,6 +50,7 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
    private boolean mChannelWidth320MhzSupported;

    private int mMaxNumberTxSpatialStreams;

    private int mMaxNumberRxSpatialStreams;

    private int mMaxNumberAkms;





    /** public constructor */
@@ -61,6 +64,7 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
        mChannelWidth320MhzSupported = false;

        mMaxNumberTxSpatialStreams = 1;

        mMaxNumberRxSpatialStreams = 1;

        mMaxNumberAkms = 1;

    }



    /**
@@ -198,6 +202,25 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
        return mMaxNumberRxSpatialStreams;

    }



    /**

     * Get the maximum number of AKM suites supported in the connection request to the driver.

     *

     * @return maximum number of AKMs

     */

    @FlaggedApi(Flags.FLAG_GET_DEVICE_CROSS_AKM_ROAMING_SUPPORT)

    public int getMaxNumberAkms() {

        return mMaxNumberAkms;

    }



    /**

     * Set the maximum number of AKM suites supported in the connection request to the driver.

     *

     * @hide

     */

    public void setMaxNumberAkms(int akms) {

        mMaxNumberAkms = akms;

    }



    /**

     * Set maximum number of receive spatial streams

     *
@@ -226,7 +249,8 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
                && mChannelWidth80p80MhzSupported == capa.mChannelWidth80p80MhzSupported

                && mChannelWidth320MhzSupported == capa.mChannelWidth320MhzSupported

                && mMaxNumberTxSpatialStreams == capa.mMaxNumberTxSpatialStreams

                && mMaxNumberRxSpatialStreams == capa.mMaxNumberRxSpatialStreams;

                && mMaxNumberRxSpatialStreams == capa.mMaxNumberRxSpatialStreams

                && mMaxNumberAkms == capa.mMaxNumberAkms;

    }



    /** override hash code */
@@ -235,7 +259,7 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
        return Objects.hash(m80211nSupported, m80211acSupported, m80211axSupported,

                m80211beSupported, mChannelWidth160MhzSupported, mChannelWidth80p80MhzSupported,

                mChannelWidth320MhzSupported, mMaxNumberTxSpatialStreams,

                mMaxNumberRxSpatialStreams);

                mMaxNumberRxSpatialStreams, mMaxNumberAkms);

    }



    /** implement Parcelable interface */
@@ -259,6 +283,7 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
        out.writeBoolean(mChannelWidth320MhzSupported);

        out.writeInt(mMaxNumberTxSpatialStreams);

        out.writeInt(mMaxNumberRxSpatialStreams);

        out.writeInt(mMaxNumberAkms);

    }



    @Override
@@ -276,6 +301,7 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
                .append(mChannelWidth320MhzSupported ? "Yes" : "No");

        sb.append("mMaxNumberTxSpatialStreams: ").append(mMaxNumberTxSpatialStreams);

        sb.append("mMaxNumberRxSpatialStreams: ").append(mMaxNumberRxSpatialStreams);

        sb.append("mMaxNumberAkms: ").append(mMaxNumberAkms);



        return sb.toString();

    }
@@ -298,6 +324,7 @@ public final class DeviceWiphyCapabilities implements Parcelable { 
            capabilities.mChannelWidth320MhzSupported = in.readBoolean();

            capabilities.mMaxNumberTxSpatialStreams = in.readInt();

            capabilities.mMaxNumberRxSpatialStreams = in.readInt();

            capabilities.mMaxNumberAkms = in.readInt();

            return capabilities;

        }

wifi/tests/src/android/net/wifi/nl80211/DeviceWiphyCapabilitiesTest.java

+1 −0
Original line number Diff line number Diff line
@@ -49,6 +49,7 @@ public class DeviceWiphyCapabilitiesTest { 
        capa.setChannelWidthSupported(ScanResult.CHANNEL_WIDTH_80MHZ_PLUS_MHZ, false);

        capa.setMaxNumberTxSpatialStreams(2);

        capa.setMaxNumberRxSpatialStreams(1);

        capa.setMaxNumberAkms(2);



        Parcel parcel = Parcel.obtain();

        capa.writeToParcel(parcel, 0);

wifi/tests/src/android/net/wifi/nl80211/WifiNl80211ManagerTest.java

+1 −0
Original line number Diff line number Diff line
@@ -1130,6 +1130,7 @@ public class WifiNl80211ManagerTest { 
        capaExpected.setChannelWidthSupported(ScanResult.CHANNEL_WIDTH_80MHZ_PLUS_MHZ, false);

        capaExpected.setMaxNumberTxSpatialStreams(2);

        capaExpected.setMaxNumberRxSpatialStreams(1);

        capaExpected.setMaxNumberAkms(2);



        when(mWificond.getDeviceWiphyCapabilities(TEST_INTERFACE_NAME))

                .thenReturn(capaExpected);