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Commit b0e56cb5 authored by Ahmed ElArabawy's avatar Ahmed ElArabawy
Browse files

Wifi: Add 802.11ax support to RTT 

This CL makes modidfication to support Wifi 802.11ax to RTT procedures.

Bug: 139354972
Test: atest com.android.wifi.server
Change-Id: I3d07509b27c4be83ea7c59ee4d1f0e404db5a04d
parent dbe38831

api/system-current.txt

+1 −0
Original line number Diff line number Diff line
@@ -5131,6 +5131,7 @@ package android.net.wifi.rtt { 
    field public static final int CHANNEL_WIDTH_80MHZ = 2; // 0x2

    field public static final int CHANNEL_WIDTH_80MHZ_PLUS_MHZ = 4; // 0x4

    field @NonNull public static final android.os.Parcelable.Creator<android.net.wifi.rtt.ResponderConfig> CREATOR;

    field public static final int PREAMBLE_HE = 3; // 0x3

    field public static final int PREAMBLE_HT = 1; // 0x1

    field public static final int PREAMBLE_LEGACY = 0; // 0x0

    field public static final int PREAMBLE_VHT = 2; // 0x2

wifi/java/android/net/wifi/ScanResult.java

+1 −0
Original line number Diff line number Diff line
@@ -549,6 +549,7 @@ public class ScanResult implements Parcelable { 
        /**

         * Extension IDs

         */

        public static final int EID_EXT_HE_CAPABILITIES = 35;

        public static final int EID_EXT_HE_OPERATION = 36;



        @UnsupportedAppUsage

wifi/java/android/net/wifi/rtt/ResponderConfig.java

+15 −2
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ 


package android.net.wifi.rtt;



import static android.net.wifi.ScanResult.InformationElement.EID_EXTENSION_PRESENT;

import static android.net.wifi.ScanResult.InformationElement.EID_EXT_HE_CAPABILITIES;

import static android.net.wifi.ScanResult.InformationElement.EID_HT_CAPABILITIES;

import static android.net.wifi.ScanResult.InformationElement.EID_VHT_CAPABILITIES;
@@ -106,7 +108,7 @@ public final class ResponderConfig implements Parcelable { 
    public static final int CHANNEL_WIDTH_80MHZ_PLUS_MHZ = 4;



    /** @hide */

    @IntDef({PREAMBLE_LEGACY, PREAMBLE_HT, PREAMBLE_VHT})

    @IntDef({PREAMBLE_LEGACY, PREAMBLE_HT, PREAMBLE_VHT, PREAMBLE_HE})

    @Retention(RetentionPolicy.SOURCE)

    public @interface PreambleType {

    }
@@ -126,6 +128,10 @@ public final class ResponderConfig implements Parcelable { 
     */

    public static final int PREAMBLE_VHT = 2;



    /**

     * Preamble type: HE.

     */

    public static final int PREAMBLE_HE = 3;



    /**

     * The MAC address of the Responder. Will be null if a Wi-Fi Aware peer identifier (the
@@ -307,14 +313,21 @@ public final class ResponderConfig implements Parcelable { 
        if (scanResult.informationElements != null && scanResult.informationElements.length != 0) {

            boolean htCapabilitiesPresent = false;

            boolean vhtCapabilitiesPresent = false;

            boolean heCapabilitiesPresent = false;



            for (ScanResult.InformationElement ie : scanResult.informationElements) {

                if (ie.id == EID_HT_CAPABILITIES) {

                    htCapabilitiesPresent = true;

                } else if (ie.id == EID_VHT_CAPABILITIES) {

                    vhtCapabilitiesPresent = true;

                } else if (ie.id == EID_EXTENSION_PRESENT && ie.idExt == EID_EXT_HE_CAPABILITIES) {

                    heCapabilitiesPresent = true;

                }

            }

            if (vhtCapabilitiesPresent) {



            if (heCapabilitiesPresent) {

                preamble = PREAMBLE_HE;

            } else if (vhtCapabilitiesPresent) {

                preamble = PREAMBLE_VHT;

            } else if (htCapabilitiesPresent) {

                preamble = PREAMBLE_HT;