diff --git a/automotive/audiocontrol/aidl/Android.bp b/automotive/audiocontrol/aidl/Android.bp
new file mode 100644
index 0000000..f8240b1
--- /dev/null
+++ b/automotive/audiocontrol/aidl/Android.bp
@@ -0,0 +1,13 @@
+// This is the expected build file, but it may not be right in all cases
+
+aidl_interface {
+    name: "android.hardware.automotive.audiocontrol",
+    vendor_available: true,
+    srcs: ["android/hardware/automotive/audiocontrol/*.aidl"],
+    stability: "vintf",
+    backend: {
+        java: {
+            sdk_version: "module_current",
+        },
+    },
+}
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl
new file mode 100644
index 0000000..3dc393a
--- /dev/null
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl
@@ -0,0 +1,29 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.audiocontrol;
+@Backing(type="int") @VintfStability
+enum AudioFocusChange {
+  NONE = 0,
+  GAIN = 1,
+  GAIN_TRANSIENT = 2,
+  GAIN_TRANSIENT_MAY_DUCK = 3,
+  GAIN_TRANSIENT_EXCLUSIVE = 4,
+  LOSS = -1,
+  LOSS_TRANSIENT = -2,
+  LOSS_TRANSIENT_CAN_DUCK = -3,
+}
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioControl.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioControl.aidl
new file mode 100644
index 0000000..6916846
--- /dev/null
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IAudioControl.aidl
@@ -0,0 +1,25 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.audiocontrol;
+@VintfStability
+interface IAudioControl {
+  oneway void onAudioFocusChange(in String usage, in int zoneId, in android.hardware.automotive.audiocontrol.AudioFocusChange focusChange);
+  oneway void registerFocusListener(in android.hardware.automotive.audiocontrol.IFocusListener listener);
+  oneway void setBalanceTowardRight(in float value);
+  oneway void setFadeTowardFront(in float value);
+}
diff --git a/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IFocusListener.aidl b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IFocusListener.aidl
new file mode 100644
index 0000000..f00f042
--- /dev/null
+++ b/automotive/audiocontrol/aidl/aidl_api/android.hardware.automotive.audiocontrol/current/android/hardware/automotive/audiocontrol/IFocusListener.aidl
@@ -0,0 +1,23 @@
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL interface (or parcelable). Do not try to
+// edit this file. It looks like you are doing that because you have modified
+// an AIDL interface in a backward-incompatible way, e.g., deleting a function
+// from an interface or a field from a parcelable and it broke the build. That
+// breakage is intended.
+//
+// You must not make a backward incompatible changes to the AIDL files built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.automotive.audiocontrol;
+@VintfStability
+interface IFocusListener {
+  oneway void abandonAudioFocus(in String usage, in int zoneId);
+  oneway void requestAudioFocus(in String usage, in int zoneId, in android.hardware.automotive.audiocontrol.AudioFocusChange focusGain);
+}
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl
new file mode 100644
index 0000000..fc35fa9
--- /dev/null
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.aidl
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.audiocontrol;
+
+/**
+ * Changes in audio focus that can be experienced
+ */
+@VintfStability
+@Backing(type="int")
+enum AudioFocusChange {
+    NONE = 0,
+    GAIN = 1,
+    GAIN_TRANSIENT = 2,
+    GAIN_TRANSIENT_MAY_DUCK = 3,
+    GAIN_TRANSIENT_EXCLUSIVE = 4,
+    LOSS = -1, // -1 * GAIN,
+    LOSS_TRANSIENT = -2, // -1 * GAIN_TRANSIENT,
+    LOSS_TRANSIENT_CAN_DUCK = -3, // -1 * GAIN_TRANSIENT_MAY_DUCK,
+}
\ No newline at end of file
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioControl.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioControl.aidl
new file mode 100644
index 0000000..0641691
--- /dev/null
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IAudioControl.aidl
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.audiocontrol;
+
+import android.hardware.automotive.audiocontrol.AudioFocusChange;
+import android.hardware.automotive.audiocontrol.IFocusListener;
+
+/**
+ * Interacts with the car's audio subsystem to manage audio sources and volumes
+ */
+@VintfStability
+interface IAudioControl {
+    /**
+     * Notifies HAL of changes in audio focus status for focuses requested or abandoned by the HAL.
+     *
+     * This will be called in response to IFocusListener's requestAudioFocus and
+     * abandonAudioFocus, as well as part of any change in focus being held by the HAL due focus
+     * request from other activities or services.
+     *
+     * The HAL is not required to wait for an callback of AUDIOFOCUS_GAIN before playing audio, nor
+     * is it required to stop playing audio in the event of a AUDIOFOCUS_LOSS callback is received.
+     *
+     * @param usage The audio usage associated with the focus change {@code AttributeUsage}. See
+     * {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
+     * @param zoneId The identifier for the audio zone that the HAL is playing the stream in
+     * @param focusChange the AudioFocusChange that has occurred.
+     */
+    oneway void onAudioFocusChange(in String usage, in int zoneId, in AudioFocusChange focusChange);
+
+    /**
+     * Registers focus listener to be used by HAL for requesting and abandoning audio focus.
+     *
+     * It is expected that there will only ever be a single focus listener registered. If the
+     * observer dies, the HAL implementation must unregister observer automatically. If called when
+     * a listener is already registered, the existing one should be unregistered and replaced with
+     * the new listener.
+     *
+     * @param listener the listener interface.
+     */
+    oneway void registerFocusListener(in IFocusListener listener);
+
+    /**
+     * Control the right/left balance setting of the car speakers.
+     *
+     * This is intended to shift the speaker volume toward the right (+) or left (-) side of
+     * the car. 0.0 means "centered". +1.0 means fully right. -1.0 means fully left.
+     *
+     * A value outside the range -1 to 1 must be clamped by the implementation to the -1 to 1
+     * range.
+     */
+    oneway void setBalanceTowardRight(in float value);
+
+    /**
+     * Control the fore/aft fade setting of the car speakers.
+     *
+     * This is intended to shift the speaker volume toward the front (+) or back (-) of the car.
+     * 0.0 means "centered". +1.0 means fully forward. -1.0 means fully rearward.
+     *
+     * A value outside the range -1 to 1 must be clamped by the implementation to the -1 to 1
+     * range.
+     */
+    oneway void setFadeTowardFront(in float value);
+}
\ No newline at end of file
diff --git a/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IFocusListener.aidl b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IFocusListener.aidl
new file mode 100644
index 0000000..b79295a
--- /dev/null
+++ b/automotive/audiocontrol/aidl/android/hardware/automotive/audiocontrol/IFocusListener.aidl
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.automotive.audiocontrol;
+
+import android.hardware.automotive.audiocontrol.AudioFocusChange;
+
+/**
+ * Callback interface for audio focus listener.
+ *
+ * For typical configuration, the listener the car audio service.
+ */
+@VintfStability
+interface IFocusListener {
+    /**
+     * Called whenever HAL is abandoning focus as it is finished playing audio of a given usage in a
+     * specific zone.
+     *
+     * In response, IAudioControl#onAudioFocusChange will be called with focusChange status. This
+     * interaction is oneway to avoid blocking HAL so that it is not required to wait for a response
+     * before stopping audio playback.
+     *
+     * @param usage The audio usage for which the HAL is abandoning focus {@code AttributeUsage}.
+     * See {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
+     * @param zoneId The identifier for the audio zone that the HAL abandoning focus
+     */
+    oneway void abandonAudioFocus(in String usage, in int zoneId);
+
+    /**
+     * Called whenever HAL is requesting focus as it is starting to play audio of a given usage in a
+     * specified zone.
+     *
+     * In response, IAudioControl#onAudioFocusChange will be called with focusChange status. This
+     * interaction is oneway to avoid blocking HAL so that it is not required to wait for a response
+     * before playing audio.
+     *
+     * @param usage The audio usage associated with the focus request {@code AttributeUsage}. See
+     * {@code audioUsage} in audio_policy_configuration.xsd for the list of allowed values.
+     * @param zoneId The identifier for the audio zone where the HAL is requesting focus
+     * @param focusGain The AudioFocusChange associated with this request. Should be one of the
+     * following: GAIN, GAIN_TRANSIENT, GAIN_TRANSIENT_MAY_DUCK, GAIN_TRANSIENT_EXCLUSIVE.
+     */
+    oneway void requestAudioFocus(in String usage, in int zoneId, in AudioFocusChange focusGain);
+}
\ No newline at end of file
diff --git a/automotive/audiocontrol/aidl/default/Android.bp b/automotive/audiocontrol/aidl/default/Android.bp
new file mode 100644
index 0000000..faf7ad2
--- /dev/null
+++ b/automotive/audiocontrol/aidl/default/Android.bp
@@ -0,0 +1,36 @@
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_binary {
+    name: "android.hardware.automotive.audiocontrol-service.example",
+    relative_install_path: "hw",
+    init_rc: ["audiocontrol-default.rc"],
+    vintf_fragments: ["audiocontrol-default.xml"],
+    vendor: true,
+    generated_headers: ["audio_policy_configuration_V7_0"],
+    generated_sources: ["audio_policy_configuration_V7_0"],
+    header_libs: ["libxsdc-utils"],
+    shared_libs: [
+        "android.hardware.automotive.audiocontrol-ndk_platform",
+        "libbase",
+        "libbinder_ndk",
+        "liblog",
+        "libcutils",
+        "libxml2",
+    ],
+    srcs: [
+        "AudioControl.cpp",
+        "main.cpp",
+    ],
+}
diff --git a/automotive/audiocontrol/aidl/default/AudioControl.cpp b/automotive/audiocontrol/aidl/default/AudioControl.cpp
new file mode 100644
index 0000000..b637310
--- /dev/null
+++ b/automotive/audiocontrol/aidl/default/AudioControl.cpp
@@ -0,0 +1,224 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "AudioControl.h"
+
+#include <aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.h>
+#include <aidl/android/hardware/automotive/audiocontrol/IFocusListener.h>
+
+#include <android-base/logging.h>
+#include <android-base/parseint.h>
+#include <android-base/strings.h>
+
+#include <audio_policy_configuration_V7_0.h>
+#include <private/android_filesystem_config.h>
+
+#include <stdio.h>
+
+namespace aidl::android::hardware::automotive::audiocontrol {
+
+using ::android::base::EqualsIgnoreCase;
+using ::android::base::ParseInt;
+using ::std::string;
+
+namespace xsd {
+using namespace audio::policy::configuration::V7_0;
+}
+
+namespace {
+const float kLowerBound = -1.0f;
+const float kUpperBound = 1.0f;
+bool checkCallerHasWritePermissions(int fd) {
+    // Double check that's only called by root - it should be be blocked at debug() level,
+    // but it doesn't hurt to make sure...
+    if (AIBinder_getCallingUid() != AID_ROOT) {
+        dprintf(fd, "Must be root\n");
+        return false;
+    }
+    return true;
+}
+
+bool isValidValue(float value) {
+    return (value >= kLowerBound) && (value <= kUpperBound);
+}
+
+bool safelyParseInt(string s, int* out) {
+    if (!ParseInt(s, out)) {
+        return false;
+    }
+    return true;
+}
+}  // namespace
+
+ndk::ScopedAStatus AudioControl::registerFocusListener(
+        const shared_ptr<IFocusListener>& in_listener) {
+    LOG(DEBUG) << "registering focus listener";
+
+    if (in_listener.get()) {
+        std::atomic_store(&mFocusListener, in_listener);
+    } else {
+        LOG(ERROR) << "Unexpected nullptr for listener resulting in no-op.";
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus AudioControl::setBalanceTowardRight(float value) {
+    if (isValidValue(value)) {
+        // Just log in this default mock implementation
+        LOG(INFO) << "Balance set to " << value;
+    } else {
+        LOG(ERROR) << "Balance value out of range -1 to 1 at " << value;
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus AudioControl::setFadeTowardFront(float value) {
+    if (isValidValue(value)) {
+        // Just log in this default mock implementation
+        LOG(INFO) << "Fader set to " << value;
+    } else {
+        LOG(ERROR) << "Fader value out of range -1 to 1 at " << value;
+    }
+    return ndk::ScopedAStatus::ok();
+}
+
+ndk::ScopedAStatus AudioControl::onAudioFocusChange(const string& in_usage, int32_t in_zoneId,
+                                                    AudioFocusChange in_focusChange) {
+    LOG(INFO) << "Focus changed: " << toString(in_focusChange).c_str() << " for usage "
+              << in_usage.c_str() << " in zone " << in_zoneId;
+    return ndk::ScopedAStatus::ok();
+}
+
+binder_status_t AudioControl::dump(int fd, const char** args, uint32_t numArgs) {
+    if (numArgs == 0) {
+        return dumpsys(fd);
+    }
+
+    string option = string(args[0]);
+    if (EqualsIgnoreCase(option, "--help")) {
+        return cmdHelp(fd);
+    } else if (EqualsIgnoreCase(option, "--request")) {
+        return cmdRequestFocus(fd, args, numArgs);
+    } else if (EqualsIgnoreCase(option, "--abandon")) {
+        return cmdAbandonFocus(fd, args, numArgs);
+    } else {
+        dprintf(fd, "Invalid option: %s\n", option.c_str());
+        return STATUS_BAD_VALUE;
+    }
+}
+
+binder_status_t AudioControl::dumpsys(int fd) {
+    if (mFocusListener == nullptr) {
+        dprintf(fd, "No focus listener registered\n");
+    } else {
+        dprintf(fd, "Focus listener registered\n");
+    }
+    return STATUS_OK;
+}
+
+binder_status_t AudioControl::cmdHelp(int fd) const {
+    dprintf(fd, "Usage: \n\n");
+    dprintf(fd, "[no args]: dumps focus listener status\n");
+    dprintf(fd, "--help: shows this help\n");
+    dprintf(fd,
+            "--request <USAGE> <ZONE_ID> <FOCUS_GAIN>: requests audio focus for specified "
+            "usage (string), audio zone ID (int), and focus gain type (int)\n");
+    dprintf(fd,
+            "--abandon <USAGE> <ZONE_ID>: abandons audio focus for specified usage (string) and "
+            "audio zone ID (int)\n");
+    dprintf(fd, "See audio_policy_configuration.xsd for valid AudioUsage values.\n");
+    return STATUS_OK;
+}
+
+binder_status_t AudioControl::cmdRequestFocus(int fd, const char** args, uint32_t numArgs) {
+    if (!checkCallerHasWritePermissions(fd)) {
+        return STATUS_PERMISSION_DENIED;
+    }
+    if (numArgs != 4) {
+        dprintf(fd,
+                "Invalid number of arguments: please provide --request <USAGE> <ZONE_ID> "
+                "<FOCUS_GAIN>\n");
+        return STATUS_BAD_VALUE;
+    }
+
+    string usage = string(args[1]);
+    if (xsd::stringToAudioUsage(usage) == xsd::AudioUsage::UNKNOWN) {
+        dprintf(fd,
+                "Unknown usage provided: %s. Please see audio_policy_configuration.xsd V7_0 "
+                "for supported values\n",
+                usage.c_str());
+        return STATUS_BAD_VALUE;
+    }
+
+    int zoneId;
+    if (!safelyParseInt(string(args[2]), &zoneId)) {
+        dprintf(fd, "Non-integer zoneId provided with request: %s\n", string(args[2]).c_str());
+        return STATUS_BAD_VALUE;
+    }
+
+    int focusGainValue;
+    if (!safelyParseInt(string(args[3]), &focusGainValue)) {
+        dprintf(fd, "Non-integer focusGain provided with request: %s\n", string(args[3]).c_str());
+        return STATUS_BAD_VALUE;
+    }
+    AudioFocusChange focusGain = AudioFocusChange(focusGainValue);
+
+    if (mFocusListener == nullptr) {
+        dprintf(fd, "Unable to request focus - no focus listener registered\n");
+        return STATUS_BAD_VALUE;
+    }
+
+    mFocusListener->requestAudioFocus(usage, zoneId, focusGain);
+    dprintf(fd, "Requested focus for usage %s, zoneId %d, and focusGain %d\n", usage.c_str(),
+            zoneId, focusGain);
+    return STATUS_OK;
+}
+
+binder_status_t AudioControl::cmdAbandonFocus(int fd, const char** args, uint32_t numArgs) {
+    if (!checkCallerHasWritePermissions(fd)) {
+        return STATUS_PERMISSION_DENIED;
+    }
+    if (numArgs != 3) {
+        dprintf(fd, "Invalid number of arguments: please provide --abandon <USAGE> <ZONE_ID>\n");
+        return STATUS_BAD_VALUE;
+    }
+
+    string usage = string(args[1]);
+    if (xsd::stringToAudioUsage(usage) == xsd::AudioUsage::UNKNOWN) {
+        dprintf(fd,
+                "Unknown usage provided: %s. Please see audio_policy_configuration.xsd V7_0 "
+                "for supported values\n",
+                usage.c_str());
+        return STATUS_BAD_VALUE;
+    }
+
+    int zoneId;
+    if (!safelyParseInt(string(args[2]), &zoneId)) {
+        dprintf(fd, "Non-integer zoneId provided with abandon: %s\n", string(args[2]).c_str());
+        return STATUS_BAD_VALUE;
+    }
+
+    if (mFocusListener == nullptr) {
+        dprintf(fd, "Unable to abandon focus - no focus listener registered\n");
+        return STATUS_BAD_VALUE;
+    }
+
+    mFocusListener->abandonAudioFocus(usage, zoneId);
+    dprintf(fd, "Abandoned focus for usage %s and zoneId %d\n", usage.c_str(), zoneId);
+    return STATUS_OK;
+}
+
+}  // namespace aidl::android::hardware::automotive::audiocontrol
diff --git a/automotive/audiocontrol/aidl/default/AudioControl.h b/automotive/audiocontrol/aidl/default/AudioControl.h
new file mode 100644
index 0000000..a77da3e
--- /dev/null
+++ b/automotive/audiocontrol/aidl/default/AudioControl.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
+#define ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
+
+#include <aidl/android/hardware/automotive/audiocontrol/AudioFocusChange.h>
+#include <aidl/android/hardware/automotive/audiocontrol/BnAudioControl.h>
+
+namespace aidl::android::hardware::automotive::audiocontrol {
+
+using ::std::shared_ptr;
+
+class AudioControl : public BnAudioControl {
+  public:
+    ndk::ScopedAStatus onAudioFocusChange(const std::string& in_usage, int32_t in_zoneId,
+                                          AudioFocusChange in_focusChange) override;
+    ndk::ScopedAStatus registerFocusListener(
+            const shared_ptr<IFocusListener>& in_listener) override;
+    ndk::ScopedAStatus setBalanceTowardRight(float in_value) override;
+    ndk::ScopedAStatus setFadeTowardFront(float in_value) override;
+    binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
+  private:
+    // This focus listener will only be used by this HAL instance to communicate with
+    // a single instance of CarAudioService. As such, it doesn't have explicit serialization.
+    // If a different AudioControl implementation were to have multiple threads leveraging this
+    // listener, then it should also include mutexes or make the listener atomic.
+    shared_ptr<IFocusListener> mFocusListener;
+
+    binder_status_t cmdHelp(int fd) const;
+    binder_status_t cmdRequestFocus(int fd, const char** args, uint32_t numArgs);
+    binder_status_t cmdAbandonFocus(int fd, const char** args, uint32_t numArgs);
+    binder_status_t dumpsys(int fd);
+};
+
+}  // namespace aidl::android::hardware::automotive::audiocontrol
+
+#endif  // ANDROID_HARDWARE_AUTOMOTIVE_AUDIOCONTROL_AUDIOCONTROL_H
diff --git a/automotive/audiocontrol/aidl/default/audiocontrol-default.rc b/automotive/audiocontrol/aidl/default/audiocontrol-default.rc
new file mode 100644
index 0000000..88d180d
--- /dev/null
+++ b/automotive/audiocontrol/aidl/default/audiocontrol-default.rc
@@ -0,0 +1,4 @@
+service vendor.audiocontrol-default /vendor/bin/hw/android.hardware.automotive.audiocontrol-service.example
+    class hal
+    user audioserver
+    group system
diff --git a/automotive/audiocontrol/aidl/default/audiocontrol-default.xml b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
new file mode 100644
index 0000000..f95d05f
--- /dev/null
+++ b/automotive/audiocontrol/aidl/default/audiocontrol-default.xml
@@ -0,0 +1,6 @@
+<manifest version="1.0" type="device">
+    <hal format="aidl">
+        <name>android.hardware.automotive.audiocontrol</name>
+        <fqname>IAudioControl/default</fqname>
+    </hal>
+</manifest>
diff --git a/automotive/audiocontrol/aidl/default/main.cpp b/automotive/audiocontrol/aidl/default/main.cpp
new file mode 100644
index 0000000..996665f
--- /dev/null
+++ b/automotive/audiocontrol/aidl/default/main.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "AudioControl.h"
+
+#include <android-base/logging.h>
+#include <android/binder_manager.h>
+#include <android/binder_process.h>
+
+using aidl::android::hardware::automotive::audiocontrol::AudioControl;
+
+int main() {
+    ABinderProcess_setThreadPoolMaxThreadCount(0);
+    std::shared_ptr<AudioControl> audioControl = ndk::SharedRefBase::make<AudioControl>();
+
+    const std::string instance = std::string() + AudioControl::descriptor + "/default";
+    binder_status_t status =
+            AServiceManager_addService(audioControl->asBinder().get(), instance.c_str());
+    CHECK(status == STATUS_OK);
+
+    ABinderProcess_joinThreadPool();
+    return EXIT_FAILURE;  // should not reach
+}
diff --git a/automotive/audiocontrol/aidl/vts/Android.bp b/automotive/audiocontrol/aidl/vts/Android.bp
new file mode 100644
index 0000000..3d81e00
--- /dev/null
+++ b/automotive/audiocontrol/aidl/vts/Android.bp
@@ -0,0 +1,38 @@
+// Copyright (C) 2020 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_test {
+    name: "VtsAidlHalAudioControlTest",
+    defaults: [
+        "VtsHalTargetTestDefaults",
+        "use_libaidlvintf_gtest_helper_static",
+    ],
+    generated_headers: ["audio_policy_configuration_V7_0"],
+    generated_sources: ["audio_policy_configuration_V7_0"],
+    header_libs: ["libxsdc-utils"],
+    srcs: ["VtsHalAudioControlTargetTest.cpp"],
+    shared_libs: [
+        "libbinder",
+        "libbase",
+        "libxml2",
+    ],
+    static_libs: [
+        "android.hardware.automotive.audiocontrol-cpp",
+        "libgmock",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}
diff --git a/automotive/audiocontrol/aidl/vts/VtsHalAudioControlTargetTest.cpp b/automotive/audiocontrol/aidl/vts/VtsHalAudioControlTargetTest.cpp
new file mode 100644
index 0000000..c734e29
--- /dev/null
+++ b/automotive/audiocontrol/aidl/vts/VtsHalAudioControlTargetTest.cpp
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#define LOG_TAG "VtsAidlHalAudioControlTest"
+
+#include <aidl/Gtest.h>
+#include <aidl/Vintf.h>
+#include <gmock/gmock.h>
+
+#include <android/hardware/automotive/audiocontrol/BnFocusListener.h>
+#include <android/hardware/automotive/audiocontrol/IAudioControl.h>
+#include <android/log.h>
+#include <binder/IServiceManager.h>
+#include <binder/ProcessState.h>
+
+using android::ProcessState;
+using android::sp;
+using android::String16;
+using android::binder::Status;
+using android::hardware::automotive::audiocontrol::AudioFocusChange;
+using android::hardware::automotive::audiocontrol::BnFocusListener;
+using android::hardware::automotive::audiocontrol::IAudioControl;
+
+#include "audio_policy_configuration_V7_0.h"
+
+namespace xsd {
+using namespace audio::policy::configuration::V7_0;
+}
+
+class AudioControlAidl : public testing::TestWithParam<std::string> {
+  public:
+    virtual void SetUp() override {
+        audioControl = android::waitForDeclaredService<IAudioControl>(String16(GetParam().c_str()));
+        ASSERT_NE(audioControl, nullptr);
+    }
+
+    sp<IAudioControl> audioControl;
+    int32_t capabilities;
+};
+
+TEST_P(AudioControlAidl, OnSetFadeTowardsFront) {
+    ALOGI("Fader exercise test (silent)");
+
+    // Set the fader all the way to the back
+    ASSERT_TRUE(audioControl->setFadeTowardFront(-1.0f).isOk());
+
+    // Set the fader all the way to the front
+    ASSERT_TRUE(audioControl->setFadeTowardFront(1.0f).isOk());
+
+    // Set the fader part way toward the back
+    ASSERT_TRUE(audioControl->setFadeTowardFront(-0.333f).isOk());
+
+    // Set the fader to a out of bounds value (driver should clamp)
+    ASSERT_TRUE(audioControl->setFadeTowardFront(99999.9f).isOk());
+
+    // Set the fader to a negative out of bounds value (driver should clamp)
+    ASSERT_TRUE(audioControl->setFadeTowardFront(-99999.9f).isOk());
+
+    // Set the fader back to the middle
+    ASSERT_TRUE(audioControl->setFadeTowardFront(0.0f).isOk());
+}
+
+TEST_P(AudioControlAidl, OnSetBalanceTowardsRight) {
+    ALOGI("Balance exercise test (silent)");
+
+    // Set the balance all the way to the left
+    ASSERT_TRUE(audioControl->setBalanceTowardRight(-1.0f).isOk());
+
+    // Set the balance all the way to the right
+    ASSERT_TRUE(audioControl->setBalanceTowardRight(1.0f).isOk());
+
+    // Set the balance part way toward the left
+    ASSERT_TRUE(audioControl->setBalanceTowardRight(-0.333f).isOk());
+
+    // Set the balance to a out of bounds value (driver should clamp)
+    ASSERT_TRUE(audioControl->setBalanceTowardRight(99999.9f).isOk());
+
+    // Set the balance to a negative out of bounds value (driver should clamp)
+    ASSERT_TRUE(audioControl->setBalanceTowardRight(-99999.9f).isOk());
+
+    // Set the balance back to the middle
+    ASSERT_TRUE(audioControl->setBalanceTowardRight(0.0f).isOk());
+
+    // Set the balance back to the middle
+    audioControl->setBalanceTowardRight(0.0f).isOk();
+}
+
+struct FocusListenerMock : BnFocusListener {
+    MOCK_METHOD(Status, requestAudioFocus,
+                (const String16& usage, int32_t zoneId, AudioFocusChange focusGain));
+    MOCK_METHOD(Status, abandonAudioFocus, (const String16& usage, int32_t zoneId));
+};
+
+/*
+ * Test focus listener registration.
+ *
+ * Verifies that:
+ * - registerFocusListener succeeds;
+ * - registering a second listener succeeds in replacing the first;
+ * - closing handle does not crash;
+ */
+TEST_P(AudioControlAidl, FocusListenerRegistration) {
+    ALOGI("Focus listener test");
+
+    sp<FocusListenerMock> listener = new FocusListenerMock();
+    ASSERT_TRUE(audioControl->registerFocusListener(listener).isOk());
+
+    sp<FocusListenerMock> listener2 = new FocusListenerMock();
+    ASSERT_TRUE(audioControl->registerFocusListener(listener2).isOk());
+};
+
+TEST_P(AudioControlAidl, FocusChangeExercise) {
+    ALOGI("Focus Change test");
+
+    String16 usage = String16(xsd::toString(xsd::AudioUsage::AUDIO_USAGE_MEDIA).c_str());
+    ASSERT_TRUE(
+            audioControl->onAudioFocusChange(usage, 0, AudioFocusChange::GAIN_TRANSIENT).isOk());
+};
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(AudioControlAidl);
+INSTANTIATE_TEST_SUITE_P(
+        Audiocontrol, AudioControlAidl,
+        testing::ValuesIn(android::getAidlHalInstanceNames(IAudioControl::descriptor)),
+        android::PrintInstanceNameToString);
+
+int main(int argc, char** argv) {
+    ::testing::InitGoogleTest(&argc, argv);
+    ProcessState::self()->setThreadPoolMaxThreadCount(1);
+    ProcessState::self()->startThreadPool();
+    return RUN_ALL_TESTS();
+}
diff --git a/compatibility_matrices/compatibility_matrix.current.xml b/compatibility_matrices/compatibility_matrix.current.xml
index d1d254b..57f390c 100644
--- a/compatibility_matrices/compatibility_matrix.current.xml
+++ b/compatibility_matrices/compatibility_matrix.current.xml
@@ -35,10 +35,8 @@
             <instance>default</instance>
         </interface>
     </hal>
-    <hal format="hidl" optional="true">
+    <hal format="aidl" optional="true">
         <name>android.hardware.automotive.audiocontrol</name>
-        <version>1.0</version>
-        <version>2.0</version>
         <interface>
             <name>IAudioControl</name>
             <instance>default</instance>
diff --git a/radio/1.6/IRadioIndication.hal b/radio/1.6/IRadioIndication.hal
index d9aaa38..c135090 100644
--- a/radio/1.6/IRadioIndication.hal
+++ b/radio/1.6/IRadioIndication.hal
@@ -40,4 +40,17 @@
      *        3. Unsolicited disconnect from either modem or network side.
      */
     oneway dataCallListChanged_1_6(RadioIndicationType type, vec<SetupDataCallResult> dcList);
+
+    /**
+     * The modem can explicitly set SetupDataCallResult::suggestedRetryTime after a failure in
+     * IRadio@1.6::SetupDataCall. During that time, no new calls are allowed to
+     * IRadio@1.6::SetupDataCall that use the same APN.
+     *
+     * When IRadioIndication@1.6::unthrottleApn is sent, AOSP will no longer throttle calls
+     * to IRadio@1.6::SetupDataCall for the given APN.
+     *
+     * @param type Type of radio indication
+     * @param apn Apn to unthrottle
+     */
+    oneway unthrottleApn(RadioIndicationType type, string apn);
 };
diff --git a/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h b/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
index f0550af..989ba6d 100644
--- a/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
+++ b/radio/1.6/vts/functional/radio_hidl_hal_utils_v1_6.h
@@ -808,6 +808,9 @@
             RadioIndicationType type,
             const hidl_vec<::android::hardware::radio::V1_6::SetupDataCallResult>& dcList);
 
+    Return<void> unthrottleApn(RadioIndicationType type,
+                               const ::android::hardware::hidl_string& apn);
+
     /* 1.5 Api */
     Return<void> uiccApplicationsEnablementChanged(RadioIndicationType type, bool enabled);
 
diff --git a/radio/1.6/vts/functional/radio_indication.cpp b/radio/1.6/vts/functional/radio_indication.cpp
index 57ee873..b353c82 100644
--- a/radio/1.6/vts/functional/radio_indication.cpp
+++ b/radio/1.6/vts/functional/radio_indication.cpp
@@ -25,6 +25,11 @@
     return Void();
 }
 
+Return<void> RadioIndication_v1_6::unthrottleApn(RadioIndicationType /*type*/,
+                                                 const ::android::hardware::hidl_string& /*apn*/) {
+    return Void();
+}
+
 /* 1.5 Apis */
 Return<void> RadioIndication_v1_6::uiccApplicationsEnablementChanged(RadioIndicationType /*type*/,
                                                                      bool /*enabled*/) {
diff --git a/wifi/1.3/vts/functional/wifi_sta_iface_hidl_test.cpp b/wifi/1.3/vts/functional/wifi_sta_iface_hidl_test.cpp
index 22efe08..78e6239 100644
--- a/wifi/1.3/vts/functional/wifi_sta_iface_hidl_test.cpp
+++ b/wifi/1.3/vts/functional/wifi_sta_iface_hidl_test.cpp
@@ -21,6 +21,7 @@
 
 #include <android/hardware/wifi/1.3/IWifi.h>
 #include <android/hardware/wifi/1.3/IWifiStaIface.h>
+#include <android/hardware/wifi/1.5/IWifiStaIface.h>
 #include <gtest/gtest.h>
 #include <hidl/GtestPrinter.h>
 #include <hidl/ServiceManagement.h>
@@ -88,7 +89,6 @@
         // No-op if link layer stats is not supported.
         return;
     }
-
     // Enable link layer stats collection.
     EXPECT_EQ(WifiStatusCode::SUCCESS,
               HIDL_INVOKE(wifi_sta_iface_, enableLinkLayerStatsCollection, true)
@@ -96,8 +96,17 @@
     // Retrieve link layer stats.
     const auto& status_and_stats =
         HIDL_INVOKE(wifi_sta_iface_, getLinkLayerStats_1_3);
-    EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_stats.first.code);
-    EXPECT_GT(status_and_stats.second.timeStampInMs, 0u);
+    sp<android::hardware::wifi::V1_5::IWifiStaIface> staIface1_5 =
+        android::hardware::wifi::V1_5::IWifiStaIface::castFrom(wifi_sta_iface_);
+    if (staIface1_5.get() == nullptr) {
+        EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_stats.first.code);
+        EXPECT_GT(status_and_stats.second.timeStampInMs, 0u);
+    } else {
+        // not supported on 1.5 HAL.
+        EXPECT_EQ(WifiStatusCode::ERROR_NOT_SUPPORTED,
+                  status_and_stats.first.code);
+    }
+
     // Disable link layer stats collection.
     EXPECT_EQ(
         WifiStatusCode::SUCCESS,
diff --git a/wifi/1.5/Android.bp b/wifi/1.5/Android.bp
index ecb0a35..5a62a3a 100644
--- a/wifi/1.5/Android.bp
+++ b/wifi/1.5/Android.bp
@@ -9,6 +9,7 @@
         "IWifiChip.hal",
         "IWifiNanIface.hal",
         "IWifiNanIfaceEventCallback.hal",
+        "IWifiStaIface.hal",
     ],
     interfaces: [
         "android.hardware.wifi@1.0",
diff --git a/wifi/1.5/IWifiChip.hal b/wifi/1.5/IWifiChip.hal
index 5243baf..dcc9279 100644
--- a/wifi/1.5/IWifiChip.hal
+++ b/wifi/1.5/IWifiChip.hal
@@ -36,6 +36,53 @@
     };
 
     /**
+     * When there are 2 or more simultaneous STA connections, this use case hint indicates what
+     * use-case is being enabled by the framework. This use case hint can be used by the firmware
+     * to modify various firmware configurations like:
+     *   - Allowed BSSIDs the firmware can choose for the initial connection/roaming attempts.
+     *   - Duty cycle to choose for the 2 STA connections if the radio is in MCC mode.
+     *   - Whether roaming, APF and other offloads needs to be enabled or not.
+     * Note:
+     *   - This will be invoked before an active wifi connection is established on the second
+     *     interface.
+     *   - This use-case hint is implicitly void when the second STA interface is brought down.
+     */
+    enum MultiStaUseCase : uint8_t {
+        /**
+         * Usage:
+         * - This will be sent down for make before break use-case.
+         * - Platform is trying to speculatively connect to a second network and evaluate it without
+         *  disrupting the primary connection.
+         * Requirements for Firmware:
+         * - Do not reduce the number of tx/rx chains of primary connection.
+         * - If using MCC, should set the MCC duty cycle of the primary connection to be higher than
+         *  the secondary connection (maybe 70/30 split).
+         * - Should pick the best BSSID for the secondary STA (disregard the chip mode) independent
+         *   of the primary STA:
+         *    - Don’t optimize for DBS vs MCC/SCC
+         * - Should not impact the primary connection’s bssid selection:
+         *    - Don’t downgrade chains of the existing primary connection.
+         *    - Don’t optimize for DBS vs MCC/SCC.
+         */
+        DUAL_STA_TRANSIENT_PREFER_PRIMARY = 0,
+        /**
+         * Usage:
+         * - This will be sent down for any app requested peer to peer connections.
+         * - In this case, both the connections needs to be allocated equal resources.
+         * - For the peer to peer use case, BSSID for the secondary connection will be chosen by the
+         *   framework.
+         *
+         * Requirements for Firmware:
+         * - Can choose MCC or DBS mode depending on the MCC efficiency and HW capability.
+         * - If using MCC, set the MCC duty cycle of the primary connection to be equal to the
+         *   secondary connection.
+         * - Prefer BSSID candidates which will help provide the best "overall" performance for both
+         *   the connections.
+         */
+        DUAL_STA_NON_TRANSIENT_UNBIASED = 1,
+    };
+
+    /**
      * Get the capabilities supported by this chip.
      *
      * @return status WifiStatus of the operation.
@@ -48,4 +95,36 @@
      */
     getCapabilities_1_5()
         generates (WifiStatus status, bitfield<ChipCapabilityMask> capabilities);
+
+    /**
+     * Invoked to indicate that the provided iface is the primary STA iface when there are more
+     * than 1 STA iface concurrently active.
+     * Note: If the wifi firmware/chip cannot support multiple instances of any offload
+     * (like roaming, APF, rssi threshold, etc), the firmware should ensure that these
+     * offloads are at least enabled for the primary interface. If the new primary interface is
+     * already connected to a network, the firmware must switch all the offloads on
+     * this new interface without disconnecting.
+     *
+     * @param ifname Name of the STA iface.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    setMultiStaPrimaryConnection(string ifName) generates (WifiStatus status);
+
+    /**
+     * Invoked to indicate the STA + STA use-case that is active.
+     *
+     * Refer to documentation of |MultiStaUseCase| for details.
+     *
+     * @param useCase Use case that is active.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_CHIP_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|
+     */
+    setMultiStaUseCase(MultiStaUseCase useCase) generates (WifiStatus status);
 };
diff --git a/wifi/1.5/IWifiNanIface.hal b/wifi/1.5/IWifiNanIface.hal
index 93257b5..d7c15de 100644
--- a/wifi/1.5/IWifiNanIface.hal
+++ b/wifi/1.5/IWifiNanIface.hal
@@ -92,13 +92,12 @@
      *         |WifiStatusCode.SUCCESS|,
      *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
      */
-    registerEventCallback_1_5(IWifiNanIfaceEventCallback callback)
-        generates (WifiStatus status);
+    registerEventCallback_1_5(IWifiNanIfaceEventCallback callback) generates (WifiStatus status);
 
     /**
      * Get NAN capabilities. Asynchronous response is with
      * |IWifiNanIfaceEventCallback.notifyCapabilitiesResponse|.
-
+     *
      * Note: supersedes the @1.0::IWifiNanIface.getCapabilitiesRequest() method which is deprecated
      * as of HAL version 1.5.
      *
@@ -109,5 +108,5 @@
      *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
      *         |WifiStatusCode.ERROR_UNKNOWN|
      */
-     getCapabilitiesRequest_1_5(CommandIdShort cmdId) generates (WifiStatus status);
-};
\ No newline at end of file
+    getCapabilitiesRequest_1_5(CommandIdShort cmdId) generates (WifiStatus status);
+};
diff --git a/wifi/1.5/IWifiNanIfaceEventCallback.hal b/wifi/1.5/IWifiNanIfaceEventCallback.hal
index 867c03c..046b702 100644
--- a/wifi/1.5/IWifiNanIfaceEventCallback.hal
+++ b/wifi/1.5/IWifiNanIfaceEventCallback.hal
@@ -40,5 +40,5 @@
      * @param capabilities Capability data.
      */
     oneway notifyCapabilitiesResponse_1_5(CommandIdShort id, WifiNanStatus status,
-                                    NanCapabilities capabilities);
-};
\ No newline at end of file
+        NanCapabilities capabilities);
+};
diff --git a/wifi/1.5/IWifiStaIface.hal b/wifi/1.5/IWifiStaIface.hal
new file mode 100644
index 0000000..e9d411e
--- /dev/null
+++ b/wifi/1.5/IWifiStaIface.hal
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.5;
+
+import @1.0::WifiStatus;
+import @1.3::IWifiStaIface;
+
+/**
+ * Interface used to represent a single STA iface.
+ *
+ * IWifiChip.createStaIface() must return a @1.5::IWifiStaIface when supported.
+ */
+interface IWifiStaIface extends @1.3::IWifiStaIface {
+    /**
+     * Retrieve the latest link layer stats.
+     * Must fail if |StaIfaceCapabilityMask.LINK_LAYER_STATS| is not set or if
+     * link layer stats collection hasn't been explicitly enabled.
+     *
+     * @return status WifiStatus of the operation.
+     *     Possible status codes:
+     *     |WifiStatusCode.SUCCESS|,
+     *     |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *     |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *     |WifiStatusCode.ERROR_NOT_STARTED|,
+     *     |WifiStatusCode.ERROR_NOT_AVAILABLE|,
+     *     |WifiStatusCode.ERROR_UNKNOWN|
+     * @return stats Instance of |LinkLayerStats|.
+     */
+    getLinkLayerStats_1_5() generates (WifiStatus status, StaLinkLayerStats stats);
+};
diff --git a/wifi/1.5/default/hidl_struct_util.cpp b/wifi/1.5/default/hidl_struct_util.cpp
index 578f3e2..83d06fe 100644
--- a/wifi/1.5/default/hidl_struct_util.cpp
+++ b/wifi/1.5/default/hidl_struct_util.cpp
@@ -866,46 +866,48 @@
 
 bool convertLegacyLinkLayerStatsToHidl(
     const legacy_hal::LinkLayerStats& legacy_stats,
-    V1_3::StaLinkLayerStats* hidl_stats) {
+    StaLinkLayerStats* hidl_stats) {
     if (!hidl_stats) {
         return false;
     }
     *hidl_stats = {};
     // iface legacy_stats conversion.
-    hidl_stats->iface.beaconRx = legacy_stats.iface.beacon_rx;
-    hidl_stats->iface.avgRssiMgmt = legacy_stats.iface.rssi_mgmt;
-    hidl_stats->iface.wmeBePktStats.rxMpdu =
+    hidl_stats->iface.V1_0.beaconRx = legacy_stats.iface.beacon_rx;
+    hidl_stats->iface.V1_0.avgRssiMgmt = legacy_stats.iface.rssi_mgmt;
+    hidl_stats->iface.V1_0.wmeBePktStats.rxMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].rx_mpdu;
-    hidl_stats->iface.wmeBePktStats.txMpdu =
+    hidl_stats->iface.V1_0.wmeBePktStats.txMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].tx_mpdu;
-    hidl_stats->iface.wmeBePktStats.lostMpdu =
+    hidl_stats->iface.V1_0.wmeBePktStats.lostMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].mpdu_lost;
-    hidl_stats->iface.wmeBePktStats.retries =
+    hidl_stats->iface.V1_0.wmeBePktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries;
-    hidl_stats->iface.wmeBkPktStats.rxMpdu =
+    hidl_stats->iface.V1_0.wmeBkPktStats.rxMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu;
-    hidl_stats->iface.wmeBkPktStats.txMpdu =
+    hidl_stats->iface.V1_0.wmeBkPktStats.txMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].tx_mpdu;
-    hidl_stats->iface.wmeBkPktStats.lostMpdu =
+    hidl_stats->iface.V1_0.wmeBkPktStats.lostMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].mpdu_lost;
-    hidl_stats->iface.wmeBkPktStats.retries =
+    hidl_stats->iface.V1_0.wmeBkPktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries;
-    hidl_stats->iface.wmeViPktStats.rxMpdu =
+    hidl_stats->iface.V1_0.wmeViPktStats.rxMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu;
-    hidl_stats->iface.wmeViPktStats.txMpdu =
+    hidl_stats->iface.V1_0.wmeViPktStats.txMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].tx_mpdu;
-    hidl_stats->iface.wmeViPktStats.lostMpdu =
+    hidl_stats->iface.V1_0.wmeViPktStats.lostMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].mpdu_lost;
-    hidl_stats->iface.wmeViPktStats.retries =
+    hidl_stats->iface.V1_0.wmeViPktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries;
-    hidl_stats->iface.wmeVoPktStats.rxMpdu =
+    hidl_stats->iface.V1_0.wmeVoPktStats.rxMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu;
-    hidl_stats->iface.wmeVoPktStats.txMpdu =
+    hidl_stats->iface.V1_0.wmeVoPktStats.txMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].tx_mpdu;
-    hidl_stats->iface.wmeVoPktStats.lostMpdu =
+    hidl_stats->iface.V1_0.wmeVoPktStats.lostMpdu =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost;
-    hidl_stats->iface.wmeVoPktStats.retries =
+    hidl_stats->iface.V1_0.wmeVoPktStats.retries =
         legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries;
+    hidl_stats->iface.timeSliceDutyCycleInPercent =
+        legacy_stats.iface.info.time_slicing_duty_cycle_percent;
     // radio legacy_stats conversion.
     std::vector<V1_3::StaLinkLayerRadioStats> hidl_radios_stats;
     for (const auto& legacy_radio_stats : legacy_stats.radios) {
@@ -2787,6 +2789,17 @@
     }
     CHECK(false);
 }
+
+legacy_hal::wifi_multi_sta_use_case convertHidlMultiStaUseCaseToLegacy(
+    IWifiChip::MultiStaUseCase use_case) {
+    switch (use_case) {
+        case IWifiChip::MultiStaUseCase::DUAL_STA_TRANSIENT_PREFER_PRIMARY:
+            return legacy_hal::WIFI_DUAL_STA_TRANSIENT_PREFER_PRIMARY;
+        case IWifiChip::MultiStaUseCase::DUAL_STA_NON_TRANSIENT_UNBIASED:
+            return legacy_hal::WIFI_DUAL_STA_NON_TRANSIENT_UNBIASED;
+    }
+    CHECK(false);
+}
 }  // namespace hidl_struct_util
 }  // namespace implementation
 }  // namespace V1_5
diff --git a/wifi/1.5/default/hidl_struct_util.h b/wifi/1.5/default/hidl_struct_util.h
index b0b1d22..49d8a12 100644
--- a/wifi/1.5/default/hidl_struct_util.h
+++ b/wifi/1.5/default/hidl_struct_util.h
@@ -69,6 +69,8 @@
         hidl_radio_mode_infos);
 legacy_hal::wifi_interface_type convertHidlIfaceTypeToLegacy(
     IfaceType hidl_interface_type);
+legacy_hal::wifi_multi_sta_use_case convertHidlMultiStaUseCaseToLegacy(
+    IWifiChip::MultiStaUseCase use_case);
 
 // STA iface conversion methods.
 bool convertLegacyFeaturesToHidlStaCapabilities(
@@ -96,7 +98,7 @@
     std::vector<StaScanData>* hidl_scan_datas);
 bool convertLegacyLinkLayerStatsToHidl(
     const legacy_hal::LinkLayerStats& legacy_stats,
-    V1_3::StaLinkLayerStats* hidl_stats);
+    StaLinkLayerStats* hidl_stats);
 bool convertLegacyRoamingCapabilitiesToHidl(
     const legacy_hal::wifi_roaming_capabilities& legacy_caps,
     StaRoamingCapabilities* hidl_caps);
diff --git a/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp b/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp
index 81eb14e..ea84c61 100644
--- a/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp
+++ b/wifi/1.5/default/tests/hidl_struct_util_unit_tests.cpp
@@ -154,6 +154,8 @@
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost = rand();
     legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries = rand();
 
+    legacy_stats.iface.info.time_slicing_duty_cycle_percent = rand();
+
     for (auto& radio : legacy_stats.radios) {
         radio.stats.on_time = rand();
         radio.stats.tx_time = rand();
@@ -182,46 +184,49 @@
         radio.channel_stats.push_back(channel_stat2);
     }
 
-    V1_3::StaLinkLayerStats converted{};
+    V1_5::StaLinkLayerStats converted{};
     hidl_struct_util::convertLegacyLinkLayerStatsToHidl(legacy_stats,
                                                         &converted);
-    EXPECT_EQ(legacy_stats.iface.beacon_rx, converted.iface.beaconRx);
-    EXPECT_EQ(legacy_stats.iface.rssi_mgmt, converted.iface.avgRssiMgmt);
+    EXPECT_EQ(legacy_stats.iface.beacon_rx, converted.iface.V1_0.beaconRx);
+    EXPECT_EQ(legacy_stats.iface.rssi_mgmt, converted.iface.V1_0.avgRssiMgmt);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].rx_mpdu,
-              converted.iface.wmeBePktStats.rxMpdu);
+              converted.iface.V1_0.wmeBePktStats.rxMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].tx_mpdu,
-              converted.iface.wmeBePktStats.txMpdu);
+              converted.iface.V1_0.wmeBePktStats.txMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].mpdu_lost,
-              converted.iface.wmeBePktStats.lostMpdu);
+              converted.iface.V1_0.wmeBePktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BE].retries,
-              converted.iface.wmeBePktStats.retries);
+              converted.iface.V1_0.wmeBePktStats.retries);
 
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].rx_mpdu,
-              converted.iface.wmeBkPktStats.rxMpdu);
+              converted.iface.V1_0.wmeBkPktStats.rxMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].tx_mpdu,
-              converted.iface.wmeBkPktStats.txMpdu);
+              converted.iface.V1_0.wmeBkPktStats.txMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].mpdu_lost,
-              converted.iface.wmeBkPktStats.lostMpdu);
+              converted.iface.V1_0.wmeBkPktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_BK].retries,
-              converted.iface.wmeBkPktStats.retries);
+              converted.iface.V1_0.wmeBkPktStats.retries);
 
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].rx_mpdu,
-              converted.iface.wmeViPktStats.rxMpdu);
+              converted.iface.V1_0.wmeViPktStats.rxMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].tx_mpdu,
-              converted.iface.wmeViPktStats.txMpdu);
+              converted.iface.V1_0.wmeViPktStats.txMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].mpdu_lost,
-              converted.iface.wmeViPktStats.lostMpdu);
+              converted.iface.V1_0.wmeViPktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VI].retries,
-              converted.iface.wmeViPktStats.retries);
+              converted.iface.V1_0.wmeViPktStats.retries);
 
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].rx_mpdu,
-              converted.iface.wmeVoPktStats.rxMpdu);
+              converted.iface.V1_0.wmeVoPktStats.rxMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].tx_mpdu,
-              converted.iface.wmeVoPktStats.txMpdu);
+              converted.iface.V1_0.wmeVoPktStats.txMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].mpdu_lost,
-              converted.iface.wmeVoPktStats.lostMpdu);
+              converted.iface.V1_0.wmeVoPktStats.lostMpdu);
     EXPECT_EQ(legacy_stats.iface.ac[legacy_hal::WIFI_AC_VO].retries,
-              converted.iface.wmeVoPktStats.retries);
+              converted.iface.V1_0.wmeVoPktStats.retries);
+
+    EXPECT_EQ(legacy_stats.iface.info.time_slicing_duty_cycle_percent,
+              converted.iface.timeSliceDutyCycleInPercent);
 
     EXPECT_EQ(legacy_stats.radios.size(), converted.radios.size());
     for (size_t i = 0; i < legacy_stats.radios.size(); i++) {
diff --git a/wifi/1.5/default/wifi_chip.cpp b/wifi/1.5/default/wifi_chip.cpp
index ebff722..1c238c8 100644
--- a/wifi/1.5/default/wifi_chip.cpp
+++ b/wifi/1.5/default/wifi_chip.cpp
@@ -678,6 +678,20 @@
                            hidl_status_cb, event_callback);
 }
 
+Return<void> WifiChip::setMultiStaPrimaryConnection(
+    const hidl_string& ifname, setMultiStaPrimaryConnection_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+                           &WifiChip::setMultiStaPrimaryConnectionInternal,
+                           hidl_status_cb, ifname);
+}
+
+Return<void> WifiChip::setMultiStaUseCase(
+    MultiStaUseCase use_case, setMultiStaUseCase_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_CHIP_INVALID,
+                           &WifiChip::setMultiStaUseCaseInternal,
+                           hidl_status_cb, use_case);
+}
+
 void WifiChip::invalidateAndRemoveAllIfaces() {
     invalidateAndClearAll(ap_ifaces_);
     invalidateAndClearAll(nan_ifaces_);
@@ -1016,7 +1030,7 @@
     return createWifiStatus(WifiStatusCode::SUCCESS);
 }
 
-std::pair<WifiStatus, sp<V1_3::IWifiStaIface>>
+std::pair<WifiStatus, sp<V1_5::IWifiStaIface>>
 WifiChip::createStaIfaceInternal() {
     if (!canCurrentModeSupportIfaceOfTypeWithCurrentIfaces(IfaceType::STA)) {
         return {createWifiStatus(WifiStatusCode::ERROR_NOT_AVAILABLE), {}};
@@ -1050,7 +1064,7 @@
     return {createWifiStatus(WifiStatusCode::SUCCESS), getNames(sta_ifaces_)};
 }
 
-std::pair<WifiStatus, sp<V1_3::IWifiStaIface>> WifiChip::getStaIfaceInternal(
+std::pair<WifiStatus, sp<V1_5::IWifiStaIface>> WifiChip::getStaIfaceInternal(
     const std::string& ifname) {
     const auto iface = findUsingName(sta_ifaces_, ifname);
     if (!iface.get()) {
@@ -1295,6 +1309,19 @@
     return createWifiStatus(WifiStatusCode::SUCCESS);
 }
 
+WifiStatus WifiChip::setMultiStaPrimaryConnectionInternal(
+    const std::string& ifname) {
+    auto legacy_status =
+        legacy_hal_.lock()->multiStaSetPrimaryConnection(ifname);
+    return createWifiStatusFromLegacyError(legacy_status);
+}
+
+WifiStatus WifiChip::setMultiStaUseCaseInternal(MultiStaUseCase use_case) {
+    auto legacy_status = legacy_hal_.lock()->multiStaSetUseCase(
+        hidl_struct_util::convertHidlMultiStaUseCaseToLegacy(use_case));
+    return createWifiStatusFromLegacyError(legacy_status);
+}
+
 WifiStatus WifiChip::handleChipConfiguration(
     /* NONNULL */ std::unique_lock<std::recursive_mutex>* lock,
     ChipModeId mode_id) {
diff --git a/wifi/1.5/default/wifi_chip.h b/wifi/1.5/default/wifi_chip.h
index 8cc0452..693d480 100644
--- a/wifi/1.5/default/wifi_chip.h
+++ b/wifi/1.5/default/wifi_chip.h
@@ -163,6 +163,12 @@
     Return<void> registerEventCallback_1_4(
         const sp<V1_4::IWifiChipEventCallback>& event_callback,
         registerEventCallback_1_4_cb hidl_status_cb) override;
+    Return<void> setMultiStaPrimaryConnection(
+        const hidl_string& ifname,
+        setMultiStaPrimaryConnection_cb hidl_status_cb) override;
+    Return<void> setMultiStaUseCase(
+        MultiStaUseCase use_case,
+        setMultiStaUseCase_cb hidl_status_cb) override;
 
    private:
     void invalidateAndRemoveAllIfaces();
@@ -201,9 +207,9 @@
     std::pair<WifiStatus, sp<IWifiP2pIface>> getP2pIfaceInternal(
         const std::string& ifname);
     WifiStatus removeP2pIfaceInternal(const std::string& ifname);
-    std::pair<WifiStatus, sp<V1_3::IWifiStaIface>> createStaIfaceInternal();
+    std::pair<WifiStatus, sp<V1_5::IWifiStaIface>> createStaIfaceInternal();
     std::pair<WifiStatus, std::vector<hidl_string>> getStaIfaceNamesInternal();
-    std::pair<WifiStatus, sp<V1_3::IWifiStaIface>> getStaIfaceInternal(
+    std::pair<WifiStatus, sp<V1_5::IWifiStaIface>> getStaIfaceInternal(
         const std::string& ifname);
     WifiStatus removeStaIfaceInternal(const std::string& ifname);
     std::pair<WifiStatus, sp<V1_0::IWifiRttController>>
@@ -233,6 +239,8 @@
     createRttControllerInternal_1_4(const sp<IWifiIface>& bound_iface);
     WifiStatus registerEventCallbackInternal_1_4(
         const sp<V1_4::IWifiChipEventCallback>& event_callback);
+    WifiStatus setMultiStaPrimaryConnectionInternal(const std::string& ifname);
+    WifiStatus setMultiStaUseCaseInternal(MultiStaUseCase use_case);
 
     WifiStatus handleChipConfiguration(
         std::unique_lock<std::recursive_mutex>* lock, ChipModeId mode_id);
diff --git a/wifi/1.5/default/wifi_legacy_hal.cpp b/wifi/1.5/default/wifi_legacy_hal.cpp
index 398bfac..76e718b 100644
--- a/wifi/1.5/default/wifi_legacy_hal.cpp
+++ b/wifi/1.5/default/wifi_legacy_hal.cpp
@@ -1510,6 +1510,17 @@
     return res;
 }
 
+wifi_error WifiLegacyHal::multiStaSetPrimaryConnection(
+    const std::string& ifname) {
+    return global_func_table_.wifi_multi_sta_set_primary_connection(
+        global_handle_, getIfaceHandle(ifname));
+}
+
+wifi_error WifiLegacyHal::multiStaSetUseCase(wifi_multi_sta_use_case use_case) {
+    return global_func_table_.wifi_multi_sta_set_use_case(global_handle_,
+                                                          use_case);
+}
+
 void WifiLegacyHal::invalidate() {
     global_handle_ = nullptr;
     iface_name_to_handle_.clear();
diff --git a/wifi/1.5/default/wifi_legacy_hal.h b/wifi/1.5/default/wifi_legacy_hal.h
index 9a06efd..555c540 100644
--- a/wifi/1.5/default/wifi_legacy_hal.h
+++ b/wifi/1.5/default/wifi_legacy_hal.h
@@ -382,6 +382,10 @@
     virtual wifi_error deleteVirtualInterface(const std::string& ifname);
     wifi_error getSupportedIfaceName(uint32_t iface_type, std::string& ifname);
 
+    // STA + STA functions
+    virtual wifi_error multiStaSetPrimaryConnection(const std::string& ifname);
+    virtual wifi_error multiStaSetUseCase(wifi_multi_sta_use_case use_case);
+
    private:
     // Retrieve interface handles for all the available interfaces.
     wifi_error retrieveIfaceHandles();
diff --git a/wifi/1.5/default/wifi_legacy_hal_stubs.cpp b/wifi/1.5/default/wifi_legacy_hal_stubs.cpp
index a1122e9..71d2ddf 100644
--- a/wifi/1.5/default/wifi_legacy_hal_stubs.cpp
+++ b/wifi/1.5/default/wifi_legacy_hal_stubs.cpp
@@ -147,6 +147,8 @@
     populateStubFor(&hal_fn->wifi_get_supported_iface_name);
     populateStubFor(&hal_fn->wifi_early_initialize);
     populateStubFor(&hal_fn->wifi_get_chip_feature_set);
+    populateStubFor(&hal_fn->wifi_multi_sta_set_primary_connection);
+    populateStubFor(&hal_fn->wifi_multi_sta_set_use_case);
 
     return true;
 }
diff --git a/wifi/1.5/default/wifi_sta_iface.cpp b/wifi/1.5/default/wifi_sta_iface.cpp
index 04087fd..f3dcfc5 100644
--- a/wifi/1.5/default/wifi_sta_iface.cpp
+++ b/wifi/1.5/default/wifi_sta_iface.cpp
@@ -163,6 +163,13 @@
                            hidl_status_cb);
 }
 
+Return<void> WifiStaIface::getLinkLayerStats_1_5(
+    getLinkLayerStats_1_5_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiStaIface::getLinkLayerStatsInternal_1_5,
+                           hidl_status_cb);
+}
+
 Return<void> WifiStaIface::startRssiMonitoring(
     uint32_t cmd_id, int32_t max_rssi, int32_t min_rssi,
     startRssiMonitoring_cb hidl_status_cb) {
@@ -470,6 +477,11 @@
 
 std::pair<WifiStatus, V1_3::StaLinkLayerStats>
 WifiStaIface::getLinkLayerStatsInternal_1_3() {
+    return {createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED), {}};
+}
+
+std::pair<WifiStatus, V1_5::StaLinkLayerStats>
+WifiStaIface::getLinkLayerStatsInternal_1_5() {
     legacy_hal::wifi_error legacy_status;
     legacy_hal::LinkLayerStats legacy_stats;
     std::tie(legacy_status, legacy_stats) =
@@ -477,7 +489,7 @@
     if (legacy_status != legacy_hal::WIFI_SUCCESS) {
         return {createWifiStatusFromLegacyError(legacy_status), {}};
     }
-    V1_3::StaLinkLayerStats hidl_stats;
+    V1_5::StaLinkLayerStats hidl_stats;
     if (!hidl_struct_util::convertLegacyLinkLayerStatsToHidl(legacy_stats,
                                                              &hidl_stats)) {
         return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), {}};
diff --git a/wifi/1.5/default/wifi_sta_iface.h b/wifi/1.5/default/wifi_sta_iface.h
index 7695f3c..94873c9 100644
--- a/wifi/1.5/default/wifi_sta_iface.h
+++ b/wifi/1.5/default/wifi_sta_iface.h
@@ -19,7 +19,7 @@
 
 #include <android-base/macros.h>
 #include <android/hardware/wifi/1.0/IWifiStaIfaceEventCallback.h>
-#include <android/hardware/wifi/1.3/IWifiStaIface.h>
+#include <android/hardware/wifi/1.5/IWifiStaIface.h>
 
 #include "hidl_callback_util.h"
 #include "wifi_iface_util.h"
@@ -35,7 +35,7 @@
 /**
  * HIDL interface object used to control a STA Iface instance.
  */
-class WifiStaIface : public V1_3::IWifiStaIface {
+class WifiStaIface : public V1_5::IWifiStaIface {
    public:
     WifiStaIface(const std::string& ifname,
                  const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
@@ -78,6 +78,8 @@
         getLinkLayerStats_cb hidl_status_cb) override;
     Return<void> getLinkLayerStats_1_3(
         getLinkLayerStats_1_3_cb hidl_status_cb) override;
+    Return<void> getLinkLayerStats_1_5(
+        getLinkLayerStats_1_5_cb hidl_status_cb) override;
     Return<void> startRssiMonitoring(
         uint32_t cmd_id, int32_t max_rssi, int32_t min_rssi,
         startRssiMonitoring_cb hidl_status_cb) override;
@@ -138,6 +140,8 @@
     std::pair<WifiStatus, V1_0::StaLinkLayerStats> getLinkLayerStatsInternal();
     std::pair<WifiStatus, V1_3::StaLinkLayerStats>
     getLinkLayerStatsInternal_1_3();
+    std::pair<WifiStatus, V1_5::StaLinkLayerStats>
+    getLinkLayerStatsInternal_1_5();
     WifiStatus startRssiMonitoringInternal(uint32_t cmd_id, int32_t max_rssi,
                                            int32_t min_rssi);
     WifiStatus stopRssiMonitoringInternal(uint32_t cmd_id);
diff --git a/wifi/1.5/types.hal b/wifi/1.5/types.hal
index 5873f79..3fbec82 100644
--- a/wifi/1.5/types.hal
+++ b/wifi/1.5/types.hal
@@ -16,10 +16,14 @@
 
 package android.hardware.wifi@1.5;
 
+import @1.0::StaLinkLayerIfaceStats;
+import @1.0::StaLinkLayerIfacePacketStats;
+import @1.0::TimeStampInMs;
 import @1.0::WifiBand;
 import @1.0::NanCipherSuiteType;
 import @1.0::NanCapabilities;
 import @1.2::NanConfigRequestSupplemental;
+import @1.3::StaLinkLayerRadioStats;
 
 /**
  * Wifi bands defined in 80211 spec.
@@ -48,6 +52,7 @@
      * Baseline information as defined in HAL 1.2.
      */
     @1.2::NanConfigRequestSupplemental V1_2;
+
     /**
      * Controls whether NAN instant communication mode is enabled.
      */
@@ -62,8 +67,43 @@
      * Baseline information as defined in HAL 1.0.
      */
     @1.0::NanCapabilities V1_0;
+
     /**
      * Flag to indicate id instant communication mode is supported.
      */
     bool instantCommunicationModeSupportFlag;
-};
\ No newline at end of file
+};
+
+/**
+ * Iface statistics for the current connection.
+ */
+struct StaLinkLayerIfaceStats {
+    /**
+     * Baseline information as defined in HAL 1.0.
+     */
+    @1.0::StaLinkLayerIfaceStats V1_0;
+
+    /**
+     * Duty cycle for the iface.
+     * if this iface is being served using time slicing on a radio with one or more ifaces
+     * (i.e MCC), then the duty cycle assigned to this iface in %.
+     * If not using time slicing (i.e SCC or DBS), set to 100.
+     */
+    uint8_t timeSliceDutyCycleInPercent;
+};
+
+/**
+ * Link layer stats retrieved via |getLinkLayerStats|.
+ */
+struct StaLinkLayerStats {
+    StaLinkLayerIfaceStats iface;
+
+    vec<StaLinkLayerRadioStats> radios;
+
+    /**
+     * TimeStamp for each stats sample.
+     * This is the absolute milliseconds from boot when these stats were
+     * sampled.
+     */
+    TimeStampInMs timeStampInMs;
+};
diff --git a/wifi/1.5/vts/functional/Android.bp b/wifi/1.5/vts/functional/Android.bp
index a7ba498..eb595c9 100644
--- a/wifi/1.5/vts/functional/Android.bp
+++ b/wifi/1.5/vts/functional/Android.bp
@@ -14,6 +14,29 @@
 // limitations under the License.
 //
 
+cc_test {
+    name: "VtsHalWifiV1_5TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "wifi_chip_hidl_test.cpp",
+        "wifi_sta_iface_hidl_test.cpp",
+    ],
+    static_libs: [
+        "VtsHalWifiV1_0TargetTestUtil",
+        "android.hardware.wifi@1.0",
+        "android.hardware.wifi@1.1",
+        "android.hardware.wifi@1.2",
+        "android.hardware.wifi@1.3",
+        "android.hardware.wifi@1.4",
+        "android.hardware.wifi@1.5",
+        "libwifi-system-iface",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}
+
 // These tests are split out so that they can be conditioned on presence of the
 // "android.hardware.wifi.aware" feature.
 cc_test {
diff --git a/wifi/1.5/vts/functional/wifi_chip_hidl_test.cpp b/wifi/1.5/vts/functional/wifi_chip_hidl_test.cpp
new file mode 100644
index 0000000..eeaa7e0
--- /dev/null
+++ b/wifi/1.5/vts/functional/wifi_chip_hidl_test.cpp
@@ -0,0 +1,149 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <VtsHalHidlTargetCallbackBase.h>
+#include <android-base/logging.h>
+
+#undef NAN  // NAN is defined in bionic/libc/include/math.h:38
+
+#include <android/hardware/wifi/1.4/IWifiChipEventCallback.h>
+#include <android/hardware/wifi/1.5/IWifi.h>
+#include <android/hardware/wifi/1.5/IWifiChip.h>
+#include <android/hardware/wifi/1.5/IWifiStaIface.h>
+#include <gtest/gtest.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
+
+#include "wifi_hidl_call_util.h"
+#include "wifi_hidl_test_utils.h"
+
+using ::android::sp;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::wifi::V1_0::ChipModeId;
+using ::android::hardware::wifi::V1_0::IfaceType;
+using ::android::hardware::wifi::V1_0::IWifiIface;
+using ::android::hardware::wifi::V1_0::IWifiStaIface;
+using ::android::hardware::wifi::V1_0::WifiDebugRingBufferStatus;
+using ::android::hardware::wifi::V1_0::WifiStatus;
+using ::android::hardware::wifi::V1_0::WifiStatusCode;
+using ::android::hardware::wifi::V1_4::IWifiChipEventCallback;
+using ::android::hardware::wifi::V1_5::IWifiChip;
+
+/**
+ * Fixture to use for all Wifi chip HIDL interface tests.
+ */
+class WifiChipHidlTest : public ::testing::TestWithParam<std::string> {
+   public:
+    virtual void SetUp() override {
+        // Make sure to start with a clean state
+        stopWifi(GetInstanceName());
+
+        wifi_chip_ = IWifiChip::castFrom(getWifiChip(GetInstanceName()));
+        ASSERT_NE(nullptr, wifi_chip_.get());
+    }
+
+    virtual void TearDown() override { stopWifi(GetInstanceName()); }
+
+   protected:
+    // Helper function to configure the Chip in one of the supported modes.
+    // Most of the non-mode-configuration-related methods require chip
+    // to be first configured.
+    ChipModeId configureChipForIfaceType(IfaceType type, bool expectSuccess) {
+        ChipModeId mode_id;
+        EXPECT_EQ(expectSuccess,
+                  configureChipToSupportIfaceType(wifi_chip_, type, &mode_id));
+        return mode_id;
+    }
+
+    WifiStatusCode createStaIface(sp<IWifiStaIface>* sta_iface) {
+        const auto& status_and_iface = HIDL_INVOKE(wifi_chip_, createStaIface);
+        *sta_iface = status_and_iface.second;
+        return status_and_iface.first.code;
+    }
+
+    std::string getIfaceName(const sp<IWifiIface>& iface) {
+        const auto& status_and_name = HIDL_INVOKE(iface, getName);
+        EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_name.first.code);
+        return status_and_name.second;
+    }
+
+    std::vector<sp<IWifiStaIface>> create2StaIfacesIfPossible() {
+        configureChipForIfaceType(IfaceType::STA, true);
+        sp<IWifiStaIface> iface1, iface2;
+        EXPECT_EQ(WifiStatusCode::SUCCESS, createStaIface(&iface1));
+        EXPECT_NE(nullptr, iface1.get());
+
+        // Try to create 2nd iface
+        auto status = createStaIface(&iface2);
+        if (status != WifiStatusCode::SUCCESS) {
+            return {iface1};
+        }
+        EXPECT_NE(nullptr, iface2.get());
+        return {iface1, iface2};
+    }
+
+    sp<IWifiChip> wifi_chip_;
+
+   private:
+    std::string GetInstanceName() { return GetParam(); }
+};
+
+/*
+ * setMultiStaPrimaryConnection
+ *
+ * Only run if device supports 2 STA ifaces.
+ */
+TEST_P(WifiChipHidlTest, setMultiStaPrimaryConnection) {
+    auto ifaces = create2StaIfacesIfPossible();
+    if (ifaces.size() < 2) {
+        GTEST_SKIP() << "Device does not support more than 1 STA concurrently";
+    }
+
+    const auto& status = HIDL_INVOKE(wifi_chip_, setMultiStaPrimaryConnection,
+                                     getIfaceName(ifaces.front()));
+    if (status.code != WifiStatusCode::SUCCESS) {
+        EXPECT_EQ(WifiStatusCode::ERROR_NOT_SUPPORTED, status.code);
+    }
+}
+
+/*
+ * setMultiStaUseCase
+ *
+ * Only run if device supports 2 STA ifaces.
+ */
+TEST_P(WifiChipHidlTest, setMultiStaUseCase) {
+    auto ifaces = create2StaIfacesIfPossible();
+    if (ifaces.size() < 2) {
+        GTEST_SKIP() << "Device does not support more than 1 STA concurrently";
+    }
+
+    const auto& status = HIDL_INVOKE(
+        wifi_chip_, setMultiStaUseCase,
+        IWifiChip::MultiStaUseCase::DUAL_STA_TRANSIENT_PREFER_PRIMARY);
+    if (status.code != WifiStatusCode::SUCCESS) {
+        EXPECT_EQ(WifiStatusCode::ERROR_NOT_SUPPORTED, status.code);
+    }
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WifiChipHidlTest);
+INSTANTIATE_TEST_SUITE_P(
+    PerInstance, WifiChipHidlTest,
+    testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+        ::android::hardware::wifi::V1_5::IWifi::descriptor)),
+    android::hardware::PrintInstanceNameToString);
diff --git a/wifi/1.5/vts/functional/wifi_sta_iface_hidl_test.cpp b/wifi/1.5/vts/functional/wifi_sta_iface_hidl_test.cpp
new file mode 100644
index 0000000..8cc3300
--- /dev/null
+++ b/wifi/1.5/vts/functional/wifi_sta_iface_hidl_test.cpp
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Staache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <numeric>
+#include <vector>
+
+#include <android-base/logging.h>
+
+#include <android/hardware/wifi/1.5/IWifi.h>
+#include <android/hardware/wifi/1.5/IWifiChip.h>
+#include <android/hardware/wifi/1.5/IWifiStaIface.h>
+#include <gtest/gtest.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
+
+#include "wifi_hidl_call_util.h"
+#include "wifi_hidl_test_utils.h"
+
+using ::android::sp;
+using ::android::hardware::hidl_array;
+using ::android::hardware::wifi::V1_0::WifiStatus;
+using ::android::hardware::wifi::V1_0::WifiStatusCode;
+using ::android::hardware::wifi::V1_5::IWifiChip;
+using ::android::hardware::wifi::V1_5::IWifiStaIface;
+
+/**
+ * Fixture to use for all STA Iface HIDL interface tests.
+ */
+class WifiStaIfaceHidlTest : public ::testing::TestWithParam<std::string> {
+   public:
+    virtual void SetUp() override {
+        // Make sure to start with a clean state
+        stopWifi(GetInstanceName());
+
+        wifi_sta_iface_ =
+            IWifiStaIface::castFrom(getWifiStaIface(GetInstanceName()));
+        ASSERT_NE(nullptr, wifi_sta_iface_.get());
+    }
+
+    virtual void TearDown() override { stopWifi(GetInstanceName()); }
+
+   protected:
+    bool isCapabilitySupported(IWifiStaIface::StaIfaceCapabilityMask cap_mask) {
+        const auto& status_and_caps =
+            HIDL_INVOKE(wifi_sta_iface_, getCapabilities);
+        EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_caps.first.code);
+        return (status_and_caps.second & cap_mask) != 0;
+    }
+
+    WifiStatusCode createStaIface(sp<IWifiStaIface>* sta_iface) {
+        sp<IWifiChip> wifi_chip =
+            IWifiChip::castFrom(getWifiChip(GetInstanceName()));
+        EXPECT_NE(nullptr, wifi_chip.get());
+        const auto& status_and_iface = HIDL_INVOKE(wifi_chip, createStaIface);
+        *sta_iface = IWifiStaIface::castFrom(status_and_iface.second);
+        return status_and_iface.first.code;
+    }
+
+    sp<IWifiStaIface> wifi_sta_iface_;
+
+   private:
+    std::string GetInstanceName() { return GetParam(); }
+};
+
+/*
+ * GetLinkLayerStats_1_5
+ * Ensures that calls to get link layer stats V1_5 will retrieve a non-empty
+ * StaLinkLayerStats after link layer stats collection is enabled.
+ */
+TEST_P(WifiStaIfaceHidlTest, GetLinkLayerStats_1_5) {
+    if (!isCapabilitySupported(
+            IWifiStaIface::StaIfaceCapabilityMask::LINK_LAYER_STATS)) {
+        // No-op if link layer stats is not supported.
+        return;
+    }
+
+    // Enable link layer stats collection.
+    EXPECT_EQ(WifiStatusCode::SUCCESS,
+              HIDL_INVOKE(wifi_sta_iface_, enableLinkLayerStatsCollection, true)
+                  .code);
+    // Retrieve link layer stats.
+    const auto& status_and_stats =
+        HIDL_INVOKE(wifi_sta_iface_, getLinkLayerStats_1_5);
+    EXPECT_EQ(WifiStatusCode::SUCCESS, status_and_stats.first.code);
+    EXPECT_GT(status_and_stats.second.timeStampInMs, 0u);
+    // Try to create 2nd iface. If yes, it should fill in the duty cycle field.
+    sp<IWifiStaIface> iface;
+    auto status = createStaIface(&iface);
+    if (status == WifiStatusCode::SUCCESS) {
+        EXPECT_GT(status_and_stats.second.iface.timeSliceDutyCycleInPercent,
+                  0u);
+    }
+    // Disable link layer stats collection.
+    EXPECT_EQ(
+        WifiStatusCode::SUCCESS,
+        HIDL_INVOKE(wifi_sta_iface_, disableLinkLayerStatsCollection).code);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WifiStaIfaceHidlTest);
+INSTANTIATE_TEST_SUITE_P(
+    PerInstance, WifiStaIfaceHidlTest,
+    testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+        ::android::hardware::wifi::V1_5::IWifi::descriptor)),
+    android::hardware::PrintInstanceNameToString);
diff --git a/wifi/supplicant/1.3/vts/functional/Android.bp b/wifi/supplicant/1.3/vts/functional/Android.bp
index 68c2929..1784fad 100644
--- a/wifi/supplicant/1.3/vts/functional/Android.bp
+++ b/wifi/supplicant/1.3/vts/functional/Android.bp
@@ -54,6 +54,7 @@
         "android.hardware.wifi.supplicant@1.1",
         "android.hardware.wifi.supplicant@1.2",
         "android.hardware.wifi.supplicant@1.3",
+        "android.hardware.wifi.supplicant@1.4",
         "android.hardware.wifi@1.0",
         "android.hardware.wifi@1.1",
         "libgmock",
diff --git a/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp b/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp
index 6dc267c..189e2b9 100644
--- a/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp
+++ b/wifi/supplicant/1.3/vts/functional/supplicant_sta_iface_hidl_test.cpp
@@ -23,6 +23,8 @@
 #include <android/hardware/wifi/supplicant/1.3/ISupplicantStaIfaceCallback.h>
 #include <android/hardware/wifi/supplicant/1.3/ISupplicantStaNetwork.h>
 #include <android/hardware/wifi/supplicant/1.3/types.h>
+#include <android/hardware/wifi/supplicant/1.4/ISupplicantStaIface.h>
+#include <android/hardware/wifi/supplicant/1.4/types.h>
 #include <gtest/gtest.h>
 #include <hidl/GtestPrinter.h>
 #include <hidl/HidlSupport.h>
@@ -61,6 +63,10 @@
         SupplicantHidlTestBaseV1_3::SetUp();
         sta_iface_ = getSupplicantStaIface_1_3(supplicant_);
         ASSERT_NE(sta_iface_.get(), nullptr);
+
+        /* Variable used to check the underlying HAL version. */
+        sta_iface_v1_4_ = ::android::hardware::wifi::supplicant::V1_4::
+            ISupplicantStaIface::castFrom(sta_iface_);
     }
 
     int64_t pmkCacheExpirationTimeInSec;
@@ -108,6 +114,8 @@
    protected:
     // ISupplicantStaIface object used for all tests in this fixture.
     sp<ISupplicantStaIface> sta_iface_;
+    sp<::android::hardware::wifi::supplicant::V1_4::ISupplicantStaIface>
+        sta_iface_v1_4_ = nullptr;
 
     bool isDppSupported() {
         uint32_t keyMgmtMask = 0;
@@ -342,9 +350,12 @@
  * GetWpaDriverCapabilities
  */
 TEST_P(SupplicantStaIfaceHidlTest, GetWpaDriverCapabilities) {
+    SupplicantStatusCode expectedCode =
+        (nullptr != sta_iface_v1_4_) ? SupplicantStatusCode::FAILURE_UNKNOWN
+                                     : SupplicantStatusCode::SUCCESS;
     sta_iface_->getWpaDriverCapabilities(
         [&](const SupplicantStatus& status, uint32_t) {
-            EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+            EXPECT_EQ(expectedCode, status.code);
         });
 }
 
@@ -355,12 +366,26 @@
     uint32_t driverCapMask = 0;
 
     // Get MBO support from the device.
-    sta_iface_->getWpaDriverCapabilities(
-        [&](const SupplicantStatus& status, uint32_t driverCapMaskInternal) {
-            EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+    if (nullptr != sta_iface_v1_4_) {
+        sta_iface_v1_4_->getWpaDriverCapabilities_1_4(
+            [&](const ::android::hardware::wifi::supplicant::V1_4::
+                    SupplicantStatus& status,
+                uint32_t driverCapMaskInternal) {
+                EXPECT_EQ(::android::hardware::wifi::supplicant::V1_4::
+                              SupplicantStatusCode::SUCCESS,
+                          status.code);
 
-            driverCapMask = driverCapMaskInternal;
-        });
+                driverCapMask = driverCapMaskInternal;
+            });
+    } else {
+        sta_iface_->getWpaDriverCapabilities(
+            [&](const SupplicantStatus& status,
+                uint32_t driverCapMaskInternal) {
+                EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+
+                driverCapMask = driverCapMaskInternal;
+            });
+    }
 
     SupplicantStatusCode expectedStatusCode =
         (driverCapMask & WpaDriverCapabilitiesMask::MBO)
diff --git a/wifi/supplicant/1.4/ISupplicantStaIface.hal b/wifi/supplicant/1.4/ISupplicantStaIface.hal
index 096d8d5..f9e4c9b 100644
--- a/wifi/supplicant/1.4/ISupplicantStaIface.hal
+++ b/wifi/supplicant/1.4/ISupplicantStaIface.hal
@@ -16,6 +16,9 @@
 
 package android.hardware.wifi.supplicant@1.4;
 
+import @1.0::SupplicantStatus;
+import @1.0::ISupplicantStaIface;
+import @1.0::MacAddress;
 import ISupplicantStaIfaceCallback;
 import @1.3::ISupplicantStaIface;
 
@@ -24,7 +27,6 @@
  * interface (e.g wlan0) it controls.
  */
 interface ISupplicantStaIface extends @1.3::ISupplicantStaIface {
-
     /**
      * Get Connection capabilities
      *
@@ -54,4 +56,32 @@
      */
     registerCallback_1_4(ISupplicantStaIfaceCallback callback)
         generates (SupplicantStatus status);
+
+    /**
+     * Initiate Venue URL ANQP (for IEEE 802.11u Interworking/Hotspot 2.0) query with the
+     * specified access point. This specific query can be used only post connection, once security
+     * is established and PMF is enabled, to avoid spoofing preassociation ANQP responses.
+     * The ANQP data fetched must be returned in the
+     * |ISupplicantStaIfaceCallback.onAnqpQueryDone| callback.
+     *
+     * @param macAddress MAC address of the access point.
+     * @return status Status of the operation.
+     *         Possible status codes:
+     *         |SupplicantStatusCode.SUCCESS|,
+     *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+     *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+     */
+    initiateVenueUrlAnqpQuery(MacAddress macAddress)
+        generates (SupplicantStatus status);
+
+    /**
+     * Get wpa driver capabilities.
+     *
+     * @return status Status of the operation, and a bitmap of wpa driver features.
+     *         Possible status codes:
+     *         |SupplicantStatusCode.SUCCESS|,
+     *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+     */
+    getWpaDriverCapabilities_1_4() generates (SupplicantStatus status,
+        bitfield<WpaDriverCapabilitiesMask> driverCapabilitiesMask);
 };
diff --git a/wifi/supplicant/1.4/ISupplicantStaIfaceCallback.hal b/wifi/supplicant/1.4/ISupplicantStaIfaceCallback.hal
index 20bce34..852696d 100644
--- a/wifi/supplicant/1.4/ISupplicantStaIfaceCallback.hal
+++ b/wifi/supplicant/1.4/ISupplicantStaIfaceCallback.hal
@@ -16,6 +16,8 @@
 
 package android.hardware.wifi.supplicant@1.4;
 
+import @1.0::ISupplicantStaIfaceCallback.AnqpData;
+import @1.0::ISupplicantStaIfaceCallback.Hs20AnqpData;
 import @1.3::ISupplicantStaIfaceCallback;
 import @1.0::ISupplicantStaIfaceCallback.State;
 import @1.0::Bssid;
@@ -30,6 +32,19 @@
  */
 interface ISupplicantStaIfaceCallback extends @1.3::ISupplicantStaIfaceCallback {
     /**
+     * ANQP data for IEEE Std 802.11-2016.
+     * The format of the data within these elements follows the IEEE
+     * Std 802.11-2016 standard, section 9.4.5.
+     */
+    struct AnqpData {
+        /**
+         * Baseline information as defined in HAL 1.0.
+         */
+        @1.0::ISupplicantStaIfaceCallback.AnqpData V1_0; /* Container for v1.0 of this struct */
+        vec<uint8_t> venueUrl; /* Venue URL ANQP-element */
+    };
+
+    /**
      * Used to indicate a Hotspot 2.0 terms and conditions acceptance is requested from the user
      * before allowing the device to get internet access.
      *
@@ -37,4 +52,16 @@
      * @param url URL of the T&C server.
      */
     oneway onHs20TermsAndConditionsAcceptanceRequestedNotification(Bssid bssid, string url);
+
+    /**
+     * Used to indicate the result of ANQP (either for IEEE 802.11u Interworking
+     * or Hotspot 2.0) query.
+     *
+     * @param bssid BSSID of the access point.
+     * @param data ANQP data fetched from the access point.
+     *        All the fields in this struct must be empty if the query failed.
+     * @param hs20Data ANQP data fetched from the Hotspot 2.0 access point.
+     *        All the fields in this struct must be empty if the query failed.
+     */
+    oneway onAnqpQueryDone_1_4(Bssid bssid, AnqpData data, Hs20AnqpData hs20Data);
 };
diff --git a/wifi/supplicant/1.4/ISupplicantStaNetwork.hal b/wifi/supplicant/1.4/ISupplicantStaNetwork.hal
index 4295879..80beedf 100644
--- a/wifi/supplicant/1.4/ISupplicantStaNetwork.hal
+++ b/wifi/supplicant/1.4/ISupplicantStaNetwork.hal
@@ -25,6 +25,16 @@
  */
 interface ISupplicantStaNetwork extends @1.3::ISupplicantStaNetwork {
     /**
+     * Possible mask of values for KeyMgmt param.
+     */
+    enum KeyMgmtMask : @1.3::ISupplicantStaNetwork.KeyMgmtMask {
+        /**
+         * SAE PK mode
+         */
+        SAE_PK,
+    };
+
+    /**
      * Possible mask of values for PairwiseCipher param.
      */
     enum PairwiseCipherMask : @1.3::ISupplicantStaNetwork.PairwiseCipherMask {
@@ -160,4 +170,22 @@
      *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
      */
     enableSaeH2eOnlyMode(bool enable) generates (SupplicantStatus status);
+
+    /**
+     * Set whether to enable SAE PK (Public Key) only mode to enable public AP validation.
+     * When enabled, only SAE PK network is allowed; otherwise PK is optional.
+     * If this API is not called before connecting to an SAE
+     * network, SAE PK mode depends on SAE PK config in wpa_supplicant configuration.
+     * If SAE PK config of wpa_supplicant configuration is not set,
+     * the default mode is optional (support for both PK and standard mode).
+     *
+     * @param enable true to set, false otherwise.
+     * @return status Status of the operation.
+     *         Possible status codes:
+     *         |SupplicantStatusCode.SUCCESS|,
+     *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+     *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|,
+     *         |SupplicantStatusCode.FAILURE_UNSUPPORTED|
+     */
+    enableSaePkOnlyMode(bool enable) generates (SupplicantStatus status);
 };
diff --git a/wifi/supplicant/1.4/types.hal b/wifi/supplicant/1.4/types.hal
index b4b6a36..18af8fe 100644
--- a/wifi/supplicant/1.4/types.hal
+++ b/wifi/supplicant/1.4/types.hal
@@ -18,6 +18,7 @@
 
 import @1.0::SupplicantStatusCode;
 import @1.3::ConnectionCapabilities;
+import @1.3::WpaDriverCapabilitiesMask;
 
 /**
  * Detailed network mode for legacy network
@@ -71,3 +72,13 @@
    */
   string debugMessage;
 };
+
+/**
+ * WPA Driver capability.
+ */
+enum WpaDriverCapabilitiesMask : @1.3::WpaDriverCapabilitiesMask {
+    /**
+     *
+     */
+    SAE_PK = 1 << 2,
+};
diff --git a/wifi/supplicant/1.4/vts/functional/supplicant_sta_iface_hidl_test.cpp b/wifi/supplicant/1.4/vts/functional/supplicant_sta_iface_hidl_test.cpp
index 88396b6..c0b5a70 100644
--- a/wifi/supplicant/1.4/vts/functional/supplicant_sta_iface_hidl_test.cpp
+++ b/wifi/supplicant/1.4/vts/functional/supplicant_sta_iface_hidl_test.cpp
@@ -50,6 +50,10 @@
 using ::android::hardware::wifi::supplicant::V1_4::ISupplicantStaIface;
 using ::android::hardware::wifi::supplicant::V1_4::ISupplicantStaIfaceCallback;
 
+namespace {
+constexpr uint8_t kTestMacAddr[] = {0x56, 0x67, 0x67, 0xf4, 0x56, 0x92};
+}  // namespace
+
 using SupplicantStatusV1_4 =
     ::android::hardware::wifi::supplicant::V1_4::SupplicantStatus;
 using SupplicantStatusCodeV1_4 =
@@ -61,11 +65,15 @@
         SupplicantHidlTestBaseV1_4::SetUp();
         sta_iface_ = getSupplicantStaIface_1_4(supplicant_);
         ASSERT_NE(sta_iface_.get(), nullptr);
+
+        memcpy(mac_addr_.data(), kTestMacAddr, mac_addr_.size());
     }
 
    protected:
     // ISupplicantStaIface object used for all tests in this fixture.
     sp<ISupplicantStaIface> sta_iface_;
+    // MAC address to use for various tests.
+    std::array<uint8_t, 6> mac_addr_;
 };
 
 class IfaceCallback : public ISupplicantStaIfaceCallback {
@@ -79,7 +87,8 @@
     }
     Return<void> onAnqpQueryDone(
         const hidl_array<uint8_t, 6>& /* bssid */,
-        const ISupplicantStaIfaceCallback::AnqpData& /* data */,
+        const ::android::hardware::wifi::supplicant::V1_0::
+            ISupplicantStaIfaceCallback::AnqpData& /* data */,
         const ISupplicantStaIfaceCallback::Hs20AnqpData& /* hs20Data */)
         override {
         return Void();
@@ -193,6 +202,14 @@
         const hidl_vec<uint8_t>& /* ssid */, bool /* filsHlpSent */) override {
         return Void();
     }
+    Return<void> onAnqpQueryDone_1_4(
+        const hidl_array<uint8_t, 6>& /* bssid */,
+        const ::android::hardware::wifi::supplicant::V1_4::
+            ISupplicantStaIfaceCallback::AnqpData& /* data */,
+        const ISupplicantStaIfaceCallback::Hs20AnqpData& /* hs20Data */)
+        override {
+        return Void();
+    }
 };
 
 /*
@@ -216,6 +233,28 @@
         });
 }
 
+/*
+ * InitiateVenueUrlAnqpQuery.
+ */
+TEST_P(SupplicantStaIfaceHidlTest, InitiateVenueUrlAnqpQuery) {
+    sta_iface_->initiateVenueUrlAnqpQuery(
+        mac_addr_, [](const SupplicantStatusV1_4& status) {
+            // These requests will fail unless the BSSID mentioned is actually
+            // present in scan results.
+            EXPECT_EQ(SupplicantStatusCodeV1_4::FAILURE_UNKNOWN, status.code);
+        });
+}
+
+/*
+ * GetWpaDriverCapabilities
+ */
+TEST_P(SupplicantStaIfaceHidlTest, GetWpaDriverCapabilities) {
+    sta_iface_->getWpaDriverCapabilities_1_4(
+        [&](const SupplicantStatusV1_4& status, uint32_t) {
+            EXPECT_EQ(SupplicantStatusCodeV1_4::SUCCESS, status.code);
+        });
+}
+
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(SupplicantStaIfaceHidlTest);
 INSTANTIATE_TEST_CASE_P(
     PerInstance, SupplicantStaIfaceHidlTest,
diff --git a/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp b/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp
index 86314e2..0e38c4b 100644
--- a/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp
+++ b/wifi/supplicant/1.4/vts/functional/supplicant_sta_network_hidl_test.cpp
@@ -46,11 +46,15 @@
     ::android::hardware::wifi::supplicant::V1_4::SupplicantStatus;
 using SupplicantStatusCodeV1_4 =
     ::android::hardware::wifi::supplicant::V1_4::SupplicantStatusCode;
+using WpaDriverCapabilitiesMaskV1_4 =
+    ::android::hardware::wifi::supplicant::V1_4::WpaDriverCapabilitiesMask;
 
 class SupplicantStaNetworkHidlTest : public SupplicantHidlTestBaseV1_4 {
    public:
     virtual void SetUp() override {
         SupplicantHidlTestBaseV1_4::SetUp();
+        sta_iface_ = getSupplicantStaIface_1_4(supplicant_);
+        ASSERT_NE(nullptr, sta_iface_.get());
         sta_network_ = createSupplicantStaNetwork(supplicant_);
         ASSERT_NE(sta_network_.get(), nullptr);
         /* variable used to check if the underlying HAL version is 1.4 or
@@ -61,10 +65,21 @@
     }
 
    protected:
+    sp<::android::hardware::wifi::supplicant::V1_4::ISupplicantStaIface>
+        sta_iface_;
     sp<::android::hardware::wifi::supplicant::V1_4::ISupplicantStaNetwork>
         v1_4 = nullptr;
     // ISupplicantStaNetwork object used for all tests in this fixture.
     sp<ISupplicantStaNetwork> sta_network_;
+    bool isSaePkSupported() {
+        uint32_t caps;
+        sta_iface_->getWpaDriverCapabilities_1_4(
+            [&](const SupplicantStatusV1_4& status, uint32_t capsInternal) {
+                EXPECT_EQ(SupplicantStatusCodeV1_4::SUCCESS, status.code);
+                caps = capsInternal;
+            });
+        return !!(caps & WpaDriverCapabilitiesMaskV1_4::SAE_PK);
+    }
 };
 
 class NetworkCallback : public ISupplicantStaNetworkCallback {
@@ -106,6 +121,22 @@
     });
 }
 
+/*
+ * enable SAE PK only mode
+ */
+TEST_P(SupplicantStaNetworkHidlTest, EnableSaePkOnlyMode) {
+    LOG(INFO) << "SAE-PK Supported: " << isSaePkSupported();
+    SupplicantStatusCodeV1_4 expectedCode =
+        isSaePkSupported() ? SupplicantStatusCodeV1_4::SUCCESS
+                           : SupplicantStatusCodeV1_4::FAILURE_UNSUPPORTED;
+    v1_4->enableSaePkOnlyMode(true, [&](const SupplicantStatusV1_4& status) {
+        EXPECT_EQ(expectedCode, status.code);
+    });
+    v1_4->enableSaePkOnlyMode(false, [&](const SupplicantStatusV1_4& status) {
+        EXPECT_EQ(expectedCode, status.code);
+    });
+}
+
 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(SupplicantStaNetworkHidlTest);
 INSTANTIATE_TEST_CASE_P(
     PerInstance, SupplicantStaNetworkHidlTest,