Merge "camera.provider default: Don't stop init if vendor tags are bad."
diff --git a/audio/2.0/Android.mk b/audio/2.0/Android.mk
index f8767ec..e989364 100644
--- a/audio/2.0/Android.mk
+++ b/audio/2.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.audio@2.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/audio/2.0/IStreamIn.hal b/audio/2.0/IStreamIn.hal
index e34c95f..6f1f9df 100644
--- a/audio/2.0/IStreamIn.hal
+++ b/audio/2.0/IStreamIn.hal
@@ -91,7 +91,11 @@
      *     to the client;
      *  -- status queue is used for reporting operation status
      *     (e.g. amount of bytes actually read or error code).
-     * The driver operates on a dedicated thread.
+     *
+     * The driver operates on a dedicated thread. The client must ensure that
+     * the thread is given an appropriate priority and assigned to correct
+     * scheduler and cgroup. For this purpose, the method returns identifiers
+     * of the driver thread.
      *
      * @param frameSize the size of a single frame, in bytes.
      * @param framesCount the number of frames in a buffer.
@@ -105,15 +109,15 @@
      *                specified at the stream opening.
      * @return statusMQ a message queue used for passing status from the driver
      *                  using ReadStatus structures.
+     * @return threadInfo identifiers of the driver's dedicated thread.
      */
-    prepareForReading(
-            uint32_t frameSize, uint32_t framesCount,
-            ThreadPriority threadPriority)
+    prepareForReading(uint32_t frameSize, uint32_t framesCount)
     generates (
             Result retval,
             fmq_sync<ReadParameters> commandMQ,
             fmq_sync<uint8_t> dataMQ,
-            fmq_sync<ReadStatus> statusMQ);
+            fmq_sync<ReadStatus> statusMQ,
+            ThreadInfo threadInfo);
 
     /*
      * Return the amount of input frames lost in the audio driver since the last
diff --git a/audio/2.0/IStreamOut.hal b/audio/2.0/IStreamOut.hal
index 2ec080d..9ee32c5 100644
--- a/audio/2.0/IStreamOut.hal
+++ b/audio/2.0/IStreamOut.hal
@@ -85,11 +85,14 @@
      *     to the driver;
      *  -- status queue is used for reporting operation status
      *     (e.g. amount of bytes actually written or error code).
-     * The driver operates on a dedicated thread.
+     *
+     * The driver operates on a dedicated thread. The client must ensure that
+     * the thread is given an appropriate priority and assigned to correct
+     * scheduler and cgroup. For this purpose, the method returns identifiers
+     * of the driver thread.
      *
      * @param frameSize the size of a single frame, in bytes.
      * @param framesCount the number of frames in a buffer.
-     * @param threadPriority priority of the driver thread.
      * @return retval OK if both message queues were created successfully.
      *                INVALID_STATE if the method was already called.
      *                INVALID_ARGUMENTS if there was a problem setting up
@@ -99,15 +102,15 @@
      *                specified at the stream opening.
      * @return statusMQ a message queue used for passing status from the driver
      *                  using WriteStatus structures.
+     * @return threadInfo identifiers of the driver's dedicated thread.
      */
-    prepareForWriting(
-            uint32_t frameSize, uint32_t framesCount,
-            ThreadPriority threadPriority)
+    prepareForWriting(uint32_t frameSize, uint32_t framesCount)
     generates (
             Result retval,
             fmq_sync<WriteCommand> commandMQ,
             fmq_sync<uint8_t> dataMQ,
-            fmq_sync<WriteStatus> statusMQ);
+            fmq_sync<WriteStatus> statusMQ,
+            ThreadInfo threadInfo);
 
     /*
      * Return the number of audio frames written by the audio DSP to DAC since
diff --git a/audio/2.0/default/Android.mk b/audio/2.0/default/Android.mk
index eeea92c..cbeda35 100644
--- a/audio/2.0/default/Android.mk
+++ b/audio/2.0/default/Android.mk
@@ -38,7 +38,6 @@
     libhidltransport \
     libhwbinder \
     liblog \
-    libmediautils \
     libutils \
     android.hardware.audio@2.0 \
     android.hardware.audio.common@2.0 \
diff --git a/audio/2.0/default/StreamIn.cpp b/audio/2.0/default/StreamIn.cpp
index 9c49170..75bf306 100644
--- a/audio/2.0/default/StreamIn.cpp
+++ b/audio/2.0/default/StreamIn.cpp
@@ -20,7 +20,6 @@
 
 #include <android/log.h>
 #include <hardware/audio.h>
-#include <mediautils/SchedulingPolicyService.h>
 #include <utils/Trace.h>
 
 #include "StreamIn.h"
@@ -33,6 +32,8 @@
 namespace V2_0 {
 namespace implementation {
 
+using ::android::hardware::audio::common::V2_0::ThreadInfo;
+
 namespace {
 
 class ReadThread : public Thread {
@@ -43,8 +44,7 @@
             StreamIn::CommandMQ* commandMQ,
             StreamIn::DataMQ* dataMQ,
             StreamIn::StatusMQ* statusMQ,
-            EventFlag* efGroup,
-            ThreadPriority threadPriority)
+            EventFlag* efGroup)
             : Thread(false /*canCallJava*/),
               mStop(stop),
               mStream(stream),
@@ -52,13 +52,10 @@
               mDataMQ(dataMQ),
               mStatusMQ(statusMQ),
               mEfGroup(efGroup),
-              mThreadPriority(threadPriority),
               mBuffer(new uint8_t[dataMQ->getQuantumCount()]) {
     }
     virtual ~ReadThread() {}
 
-    status_t readyToRun() override;
-
   private:
     std::atomic<bool>* mStop;
     audio_stream_in_t* mStream;
@@ -66,7 +63,6 @@
     StreamIn::DataMQ* mDataMQ;
     StreamIn::StatusMQ* mStatusMQ;
     EventFlag* mEfGroup;
-    ThreadPriority mThreadPriority;
     std::unique_ptr<uint8_t[]> mBuffer;
     IStreamIn::ReadParameters mParameters;
     IStreamIn::ReadStatus mStatus;
@@ -77,16 +73,6 @@
     void doRead();
 };
 
-status_t ReadThread::readyToRun() {
-    if (mThreadPriority != ThreadPriority::NORMAL) {
-        int err = requestPriority(
-                getpid(), getTid(), static_cast<int>(mThreadPriority), true /*asynchronous*/);
-        ALOGW_IF(err, "failed to set priority %d for pid %d tid %d; error %d",
-                static_cast<int>(mThreadPriority), getpid(), getTid(), err);
-    }
-    return OK;
-}
-
 void ReadThread::doRead() {
     size_t availableToWrite = mDataMQ->availableToWrite();
     size_t requestedToRead = mParameters.params.read;
@@ -313,14 +299,14 @@
 }
 
 Return<void> StreamIn::prepareForReading(
-        uint32_t frameSize, uint32_t framesCount, ThreadPriority threadPriority,
-        prepareForReading_cb _hidl_cb)  {
+        uint32_t frameSize, uint32_t framesCount, prepareForReading_cb _hidl_cb)  {
     status_t status;
+    ThreadInfo threadInfo = { 0, 0 };
     // Create message queues.
     if (mDataMQ) {
         ALOGE("the client attempts to call prepareForReading twice");
         _hidl_cb(Result::INVALID_STATE,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
     std::unique_ptr<CommandMQ> tempCommandMQ(new CommandMQ(1));
@@ -332,7 +318,7 @@
         ALOGE_IF(!tempDataMQ->isValid(), "data MQ is invalid");
         ALOGE_IF(!tempStatusMQ->isValid(), "status MQ is invalid");
         _hidl_cb(Result::INVALID_ARGUMENTS,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
     // TODO: Remove event flag management once blocking MQ is implemented. b/33815422
@@ -340,7 +326,7 @@
     if (status != OK || !mEfGroup) {
         ALOGE("failed creating event flag for data MQ: %s", strerror(-status));
         _hidl_cb(Result::INVALID_ARGUMENTS,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
 
@@ -351,20 +337,23 @@
             tempCommandMQ.get(),
             tempDataMQ.get(),
             tempStatusMQ.get(),
-            mEfGroup,
-            threadPriority);
+            mEfGroup);
     status = mReadThread->run("reader", PRIORITY_URGENT_AUDIO);
     if (status != OK) {
         ALOGW("failed to start reader thread: %s", strerror(-status));
         _hidl_cb(Result::INVALID_ARGUMENTS,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
 
     mCommandMQ = std::move(tempCommandMQ);
     mDataMQ = std::move(tempDataMQ);
     mStatusMQ = std::move(tempStatusMQ);
-    _hidl_cb(Result::OK, *mCommandMQ->getDesc(), *mDataMQ->getDesc(), *mStatusMQ->getDesc());
+    threadInfo.pid = getpid();
+    threadInfo.tid = mReadThread->getTid();
+    _hidl_cb(Result::OK,
+            *mCommandMQ->getDesc(), *mDataMQ->getDesc(), *mStatusMQ->getDesc(),
+            threadInfo);
     return Void();
 }
 
diff --git a/audio/2.0/default/StreamIn.h b/audio/2.0/default/StreamIn.h
index 3566430..b867387 100644
--- a/audio/2.0/default/StreamIn.h
+++ b/audio/2.0/default/StreamIn.h
@@ -44,7 +44,6 @@
 using ::android::hardware::audio::V2_0::IStreamIn;
 using ::android::hardware::audio::V2_0::ParameterValue;
 using ::android::hardware::audio::V2_0::Result;
-using ::android::hardware::audio::V2_0::ThreadPriority;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
 using ::android::hardware::hidl_vec;
@@ -89,8 +88,7 @@
     Return<void> getAudioSource(getAudioSource_cb _hidl_cb)  override;
     Return<Result> setGain(float gain)  override;
     Return<void> prepareForReading(
-            uint32_t frameSize, uint32_t framesCount, ThreadPriority threadPriority,
-            prepareForReading_cb _hidl_cb)  override;
+            uint32_t frameSize, uint32_t framesCount, prepareForReading_cb _hidl_cb)  override;
     Return<uint32_t> getInputFramesLost()  override;
     Return<void> getCapturePosition(getCapturePosition_cb _hidl_cb)  override;
     Return<Result> start() override;
diff --git a/audio/2.0/default/StreamOut.cpp b/audio/2.0/default/StreamOut.cpp
index 6e46db2..4cd25aa 100644
--- a/audio/2.0/default/StreamOut.cpp
+++ b/audio/2.0/default/StreamOut.cpp
@@ -20,7 +20,6 @@
 
 #include <android/log.h>
 #include <hardware/audio.h>
-#include <mediautils/SchedulingPolicyService.h>
 #include <utils/Trace.h>
 
 #include "StreamOut.h"
@@ -31,6 +30,8 @@
 namespace V2_0 {
 namespace implementation {
 
+using ::android::hardware::audio::common::V2_0::ThreadInfo;
+
 namespace {
 
 class WriteThread : public Thread {
@@ -41,8 +42,7 @@
             StreamOut::CommandMQ* commandMQ,
             StreamOut::DataMQ* dataMQ,
             StreamOut::StatusMQ* statusMQ,
-            EventFlag* efGroup,
-            ThreadPriority threadPriority)
+            EventFlag* efGroup)
             : Thread(false /*canCallJava*/),
               mStop(stop),
               mStream(stream),
@@ -50,13 +50,10 @@
               mDataMQ(dataMQ),
               mStatusMQ(statusMQ),
               mEfGroup(efGroup),
-              mThreadPriority(threadPriority),
               mBuffer(new uint8_t[dataMQ->getQuantumCount()]) {
     }
     virtual ~WriteThread() {}
 
-    status_t readyToRun() override;
-
   private:
     std::atomic<bool>* mStop;
     audio_stream_out_t* mStream;
@@ -64,7 +61,6 @@
     StreamOut::DataMQ* mDataMQ;
     StreamOut::StatusMQ* mStatusMQ;
     EventFlag* mEfGroup;
-    ThreadPriority mThreadPriority;
     std::unique_ptr<uint8_t[]> mBuffer;
     IStreamOut::WriteStatus mStatus;
 
@@ -75,16 +71,6 @@
     void doWrite();
 };
 
-status_t WriteThread::readyToRun() {
-    if (mThreadPriority != ThreadPriority::NORMAL) {
-        int err = requestPriority(
-                getpid(), getTid(), static_cast<int>(mThreadPriority), true /*asynchronous*/);
-        ALOGW_IF(err, "failed to set priority %d for pid %d tid %d; error %d",
-                static_cast<int>(mThreadPriority), getpid(), getTid(), err);
-    }
-    return OK;
-}
-
 void WriteThread::doWrite() {
     const size_t availToRead = mDataMQ->availableToRead();
     mStatus.retval = Result::OK;
@@ -297,14 +283,14 @@
 }
 
 Return<void> StreamOut::prepareForWriting(
-        uint32_t frameSize, uint32_t framesCount, ThreadPriority threadPriority,
-        prepareForWriting_cb _hidl_cb)  {
+        uint32_t frameSize, uint32_t framesCount, prepareForWriting_cb _hidl_cb)  {
     status_t status;
+    ThreadInfo threadInfo = { 0, 0 };
     // Create message queues.
     if (mDataMQ) {
         ALOGE("the client attempts to call prepareForWriting twice");
         _hidl_cb(Result::INVALID_STATE,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
     std::unique_ptr<CommandMQ> tempCommandMQ(new CommandMQ(1));
@@ -316,7 +302,7 @@
         ALOGE_IF(!tempDataMQ->isValid(), "data MQ is invalid");
         ALOGE_IF(!tempStatusMQ->isValid(), "status MQ is invalid");
         _hidl_cb(Result::INVALID_ARGUMENTS,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
     // TODO: Remove event flag management once blocking MQ is implemented. b/33815422
@@ -324,7 +310,7 @@
     if (status != OK || !mEfGroup) {
         ALOGE("failed creating event flag for data MQ: %s", strerror(-status));
         _hidl_cb(Result::INVALID_ARGUMENTS,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
 
@@ -335,20 +321,23 @@
             tempCommandMQ.get(),
             tempDataMQ.get(),
             tempStatusMQ.get(),
-            mEfGroup,
-            threadPriority);
+            mEfGroup);
     status = mWriteThread->run("writer", PRIORITY_URGENT_AUDIO);
     if (status != OK) {
         ALOGW("failed to start writer thread: %s", strerror(-status));
         _hidl_cb(Result::INVALID_ARGUMENTS,
-                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor());
+                CommandMQ::Descriptor(), DataMQ::Descriptor(), StatusMQ::Descriptor(), threadInfo);
         return Void();
     }
 
     mCommandMQ = std::move(tempCommandMQ);
     mDataMQ = std::move(tempDataMQ);
     mStatusMQ = std::move(tempStatusMQ);
-    _hidl_cb(Result::OK, *mCommandMQ->getDesc(), *mDataMQ->getDesc(), *mStatusMQ->getDesc());
+    threadInfo.pid = getpid();
+    threadInfo.tid = mWriteThread->getTid();
+    _hidl_cb(Result::OK,
+            *mCommandMQ->getDesc(), *mDataMQ->getDesc(), *mStatusMQ->getDesc(),
+            threadInfo);
     return Void();
 }
 
diff --git a/audio/2.0/default/StreamOut.h b/audio/2.0/default/StreamOut.h
index 6616557..bbe64a1 100644
--- a/audio/2.0/default/StreamOut.h
+++ b/audio/2.0/default/StreamOut.h
@@ -45,7 +45,6 @@
 using ::android::hardware::audio::V2_0::IStreamOutCallback;
 using ::android::hardware::audio::V2_0::ParameterValue;
 using ::android::hardware::audio::V2_0::Result;
-using ::android::hardware::audio::V2_0::ThreadPriority;
 using ::android::hardware::audio::V2_0::TimeSpec;
 using ::android::hardware::Return;
 using ::android::hardware::Void;
@@ -91,8 +90,7 @@
     Return<uint32_t> getLatency()  override;
     Return<Result> setVolume(float left, float right)  override;
     Return<void> prepareForWriting(
-            uint32_t frameSize, uint32_t framesCount, ThreadPriority threadPriority,
-            prepareForWriting_cb _hidl_cb)  override;
+            uint32_t frameSize, uint32_t framesCount, prepareForWriting_cb _hidl_cb)  override;
     Return<void> getRenderPosition(getRenderPosition_cb _hidl_cb)  override;
     Return<void> getNextWriteTimestamp(getNextWriteTimestamp_cb _hidl_cb)  override;
     Return<Result> setCallback(const sp<IStreamOutCallback>& callback)  override;
diff --git a/audio/2.0/default/service.cpp b/audio/2.0/default/service.cpp
index 646d898..8b608c8 100644
--- a/audio/2.0/default/service.cpp
+++ b/audio/2.0/default/service.cpp
@@ -33,11 +33,20 @@
 using android::hardware::registerPassthroughServiceImplementation;
 using android::hardware::broadcastradio::V1_0::IBroadcastRadioFactory;
 
+using android::OK;
+
 int main(int /* argc */, char* /* argv */ []) {
     configureRpcThreadpool(16, true /*callerWillJoin*/);
-    registerPassthroughServiceImplementation<IDevicesFactory>("audio_devices_factory");
-    registerPassthroughServiceImplementation<IEffectsFactory>("audio_effects_factory");
-    registerPassthroughServiceImplementation<ISoundTriggerHw>("sound_trigger.primary");
-    registerPassthroughServiceImplementation<IBroadcastRadioFactory>("broadcastradio");
+    android::status_t status;
+    status = registerPassthroughServiceImplementation<IDevicesFactory>("audio_devices_factory");
+    LOG_ALWAYS_FATAL_IF(status != OK, "Error while registering audio service: %d", status);
+    status = registerPassthroughServiceImplementation<IEffectsFactory>("audio_effects_factory");
+    LOG_ALWAYS_FATAL_IF(status != OK, "Error while registering audio effects service: %d", status);
+    // Soundtrigger and FM radio might be not present.
+    status = registerPassthroughServiceImplementation<ISoundTriggerHw>("sound_trigger.primary");
+    ALOGE_IF(status != OK, "Error while registering soundtrigger service: %d", status);
+    status = registerPassthroughServiceImplementation<IBroadcastRadioFactory>("broadcastradio");
+    ALOGE_IF(status != OK, "Error while registering fm radio service: %d", status);
     joinRpcThreadpool();
+    return status;
 }
diff --git a/audio/2.0/types.hal b/audio/2.0/types.hal
index 8fc4314..8e9ff14 100644
--- a/audio/2.0/types.hal
+++ b/audio/2.0/types.hal
@@ -98,12 +98,3 @@
     NOT_EMPTY = 1 << 0,
     NOT_FULL = 1 << 1
 };
-
-/*
- * The priority of threads executing reads and writes of audio data.
- */
-enum ThreadPriority : int32_t {
-    NORMAL = 0,
-    FAST_CAPTURE = 3,
-    FAST_MIXER = 3
-};
diff --git a/audio/common/2.0/Android.mk b/audio/common/2.0/Android.mk
index 423fe35..7d62779 100644
--- a/audio/common/2.0/Android.mk
+++ b/audio/common/2.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.audio.common@2.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/audio/common/2.0/types.hal b/audio/common/2.0/types.hal
index 63d66db..ae7f545 100644
--- a/audio/common/2.0/types.hal
+++ b/audio/common/2.0/types.hal
@@ -933,3 +933,8 @@
         AudioPortSessionExt session;
     } ext;
 };
+
+struct ThreadInfo {
+    int64_t pid;
+    int64_t tid;
+};
diff --git a/audio/effect/2.0/Android.mk b/audio/effect/2.0/Android.mk
index 3383efd..d71255e 100644
--- a/audio/effect/2.0/Android.mk
+++ b/audio/effect/2.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.audio.effect@2.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/automotive/vehicle/2.0/Android.mk b/automotive/vehicle/2.0/Android.mk
index ca83918..c540027 100644
--- a/automotive/vehicle/2.0/Android.mk
+++ b/automotive/vehicle/2.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.automotive.vehicle@2.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -1189,7 +1189,7 @@
 LOCAL_MODULE := android.hardware.automotive.vehicle@2.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/automotive/vehicle/2.0/default/Android.mk b/automotive/vehicle/2.0/default/Android.mk
index a346507..e822044 100644
--- a/automotive/vehicle/2.0/default/Android.mk
+++ b/automotive/vehicle/2.0/default/Android.mk
@@ -41,6 +41,28 @@
 include $(BUILD_STATIC_LIBRARY)
 
 ###############################################################################
+# Vehicle HAL Protobuf library
+###############################################################################
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := $(call all-proto-files-under, impl/proto)
+
+LOCAL_PROTOC_OPTIMIZE_TYPE := nano
+
+LOCAL_MODULE := $(module_prefix)-libproto-native
+LOCAL_MODULE_CLASS := STATIC_LIBRARIES
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_STRIP_MODULE := keep_symbols
+
+generated_sources_dir := $(call local-generated-sources-dir)
+LOCAL_EXPORT_C_INCLUDE_DIRS := \
+    $(generated_sources_dir)/proto/$(LOCAL_PATH)/impl/proto
+
+include $(BUILD_STATIC_LIBRARY)
+
+
+###############################################################################
 # Vehicle default VehicleHAL implementation
 ###############################################################################
 include $(CLEAR_VARS)
@@ -55,9 +77,13 @@
     libhidltransport \
     libhwbinder \
     liblog \
+    libprotobuf-cpp-lite \
     libutils \
     $(module_prefix) \
 
+LOCAL_STATIC_LIBRARIES := \
+    $(module_prefix)-libproto-native
+
 include $(BUILD_STATIC_LIBRARY)
 
 
@@ -114,7 +140,11 @@
     libhidltransport \
     libhwbinder \
     liblog \
+    libprotobuf-cpp-lite \
     libutils \
     $(module_prefix) \
 
+LOCAL_STATIC_LIBRARIES := \
+    $(module_prefix)-libproto-native
+
 include $(BUILD_EXECUTABLE)
diff --git a/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-service.rc b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-service.rc
index 344a984..1ee4d47 100644
--- a/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-service.rc
+++ b/automotive/vehicle/2.0/default/android.hardware.automotive.vehicle@2.0-service.rc
@@ -1,4 +1,4 @@
 service vehicle-hal-2.0 /system/bin/hw/android.hardware.automotive.vehicle@2.0-service
     class hal
     user vehicle_network
-    group system
+    group system inet
diff --git a/automotive/vehicle/2.0/default/impl/DefaultConfig.h b/automotive/vehicle/2.0/default/impl/DefaultConfig.h
index 270bf8c..0c549b9 100644
--- a/automotive/vehicle/2.0/default/impl/DefaultConfig.h
+++ b/automotive/vehicle/2.0/default/impl/DefaultConfig.h
@@ -174,6 +174,18 @@
         .access = VehiclePropertyAccess::READ,
         .changeMode = VehiclePropertyChangeMode::ON_CHANGE,
         .configArray = {0,0}
+    },
+
+    {
+        .prop = toInt(VehicleProperty::OBD2_FREEZE_FRAME_INFO),
+        .access = VehiclePropertyAccess::READ,
+        .changeMode = VehiclePropertyChangeMode::ON_CHANGE
+    },
+
+    {
+        .prop = toInt(VehicleProperty::OBD2_FREEZE_FRAME_CLEAR),
+        .access = VehiclePropertyAccess::WRITE,
+        .changeMode = VehiclePropertyChangeMode::ON_CHANGE
     }
 };
 
diff --git a/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.cpp b/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.cpp
index 1c26759..d3d77b6 100644
--- a/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.cpp
+++ b/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.cpp
@@ -14,12 +14,17 @@
  * limitations under the License.
  */
 
-#include "DefaultVehicleHal.h"
+#define LOG_TAG "DefaultVehicleHal"
+#include <android/log.h>
 
 #include <algorithm>
+#include <netinet/in.h>
+#include <sys/socket.h>
 
-#define LOG_TAG "default_vehicle"
-#include <android/log.h>
+#include "DefaultVehicleHal.h"
+#include "VehicleHalProto.pb.h"
+
+#define DEBUG_SOCKET    (33452)
 
 namespace android {
 namespace hardware {
@@ -29,289 +34,805 @@
 
 namespace impl {
 
+void DefaultVehicleHal::doGetConfig(emulator::EmulatorMessage& rxMsg,
+                                    emulator::EmulatorMessage& respMsg) {
+    std::vector<VehiclePropConfig> configs = listProperties();
+    emulator::VehiclePropGet getProp = rxMsg.prop(0);
+
+    respMsg.set_msg_type(emulator::GET_CONFIG_RESP);
+    respMsg.set_status(emulator::ERROR_INVALID_PROPERTY);
+
+    for (auto& config : configs) {
+        // Find the config we are looking for
+        if (config.prop == getProp.prop()) {
+            emulator::VehiclePropConfig* protoCfg = respMsg.add_config();
+            populateProtoVehicleConfig(protoCfg, config);
+            respMsg.set_status(emulator::RESULT_OK);
+            break;
+        }
+    }
+}
+
+void DefaultVehicleHal::doGetConfigAll(emulator::EmulatorMessage& /* rxMsg */,
+                                       emulator::EmulatorMessage& respMsg) {
+    std::vector<VehiclePropConfig> configs = listProperties();
+
+    respMsg.set_msg_type(emulator::GET_CONFIG_ALL_RESP);
+    respMsg.set_status(emulator::RESULT_OK);
+
+    for (auto& config : configs) {
+        emulator::VehiclePropConfig* protoCfg = respMsg.add_config();
+        populateProtoVehicleConfig(protoCfg, config);
+    }
+}
+
+void DefaultVehicleHal::doGetProperty(emulator::EmulatorMessage& rxMsg,
+                                      emulator::EmulatorMessage& respMsg) {
+    int32_t areaId = 0;
+    emulator::VehiclePropGet getProp = rxMsg.prop(0);
+    int32_t propId = getProp.prop();
+    emulator::Status status = emulator::ERROR_INVALID_PROPERTY;
+    VehiclePropValue* val;
+
+    respMsg.set_msg_type(emulator::GET_PROPERTY_RESP);
+
+    if (getProp.has_area_id()) {
+        areaId = getProp.area_id();
+    }
+
+    {
+        std::lock_guard<std::mutex> lock(mPropsMutex);
+
+        val = getVehiclePropValueLocked(propId, areaId);
+        if (val != nullptr) {
+            emulator::VehiclePropValue* protoVal = respMsg.add_value();
+            populateProtoVehiclePropValue(protoVal, val);
+            status = emulator::RESULT_OK;
+        }
+    }
+
+    respMsg.set_status(status);
+}
+
+void DefaultVehicleHal::doGetPropertyAll(emulator::EmulatorMessage& /* rxMsg */,
+                                         emulator::EmulatorMessage& respMsg) {
+    respMsg.set_msg_type(emulator::GET_PROPERTY_ALL_RESP);
+    respMsg.set_status(emulator::RESULT_OK);
+
+    {
+        std::lock_guard<std::mutex> lock(mPropsMutex);
+
+        for (auto& propVal : mProps) {
+            emulator::VehiclePropValue* protoVal = respMsg.add_value();
+            populateProtoVehiclePropValue(protoVal, propVal.get());
+        }
+    }
+}
+
+void DefaultVehicleHal::doSetProperty(emulator::EmulatorMessage& rxMsg,
+                                      emulator::EmulatorMessage& respMsg) {
+    emulator::VehiclePropValue protoVal = rxMsg.value(0);
+    VehiclePropValue val;
+
+    respMsg.set_msg_type(emulator::SET_PROPERTY_RESP);
+
+    val.prop = protoVal.prop();
+    val.areaId = protoVal.area_id();
+
+    // Copy value data if it is set.  This automatically handles complex data types if needed.
+    if (protoVal.has_string_value()) {
+        val.value.stringValue = protoVal.string_value().c_str();
+    }
+
+    if (protoVal.has_bytes_value()) {
+        std::vector<uint8_t> tmp(protoVal.bytes_value().begin(), protoVal.bytes_value().end());
+        val.value.bytes = tmp;
+    }
+
+    if (protoVal.int32_values_size() > 0) {
+        std::vector<int32_t> int32Values = std::vector<int32_t>(protoVal.int32_values_size());
+        for (int i=0; i<protoVal.int32_values_size(); i++) {
+            int32Values[i] = protoVal.int32_values(i);
+        }
+        val.value.int32Values = int32Values;
+    }
+
+    if (protoVal.int64_values_size() > 0) {
+        std::vector<int64_t> int64Values = std::vector<int64_t>(protoVal.int64_values_size());
+        for (int i=0; i<protoVal.int64_values_size(); i++) {
+            int64Values[i] = protoVal.int64_values(i);
+        }
+        val.value.int64Values = int64Values;
+    }
+
+    if (protoVal.float_values_size() > 0) {
+        std::vector<float> floatValues = std::vector<float>(protoVal.float_values_size());
+        for (int i=0; i<protoVal.float_values_size(); i++) {
+            floatValues[i] = protoVal.float_values(i);
+        }
+        val.value.floatValues = floatValues;
+    }
+
+    if (updateProperty(val) == StatusCode::OK) {
+        // Send property up to VehicleHalManager via callback
+        auto& pool = *getValuePool();
+        VehiclePropValuePtr v = pool.obtain(val);
+
+        doHalEvent(std::move(v));
+        respMsg.set_status(emulator::RESULT_OK);
+    } else {
+        respMsg.set_status(emulator::ERROR_INVALID_PROPERTY);
+    }
+}
+
+// This function should only be called while mPropsMutex is locked.
+VehiclePropValue* DefaultVehicleHal::getVehiclePropValueLocked(int32_t propId, int32_t areaId) {
+    if (getPropArea(propId) == VehicleArea::GLOBAL) {
+        // In VehicleHal, global properties have areaId = -1.  We use 0.
+        areaId = 0;
+    }
+
+    for (auto& prop : mProps) {
+        if ((prop->prop == propId) && (prop->areaId == areaId)) {
+            return prop.get();
+        }
+    }
+    ALOGW("%s: Property not found:  propId = 0x%x, areaId = 0x%x", __FUNCTION__, propId, areaId);
+    return nullptr;
+}
+
+static std::unique_ptr<Obd2SensorStore> fillDefaultObd2Frame(
+        size_t numVendorIntegerSensors,
+        size_t numVendorFloatSensors) {
+    std::unique_ptr<Obd2SensorStore> sensorStore(new Obd2SensorStore(
+            numVendorIntegerSensors, numVendorFloatSensors));
+
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::FUEL_SYSTEM_STATUS,
+        toInt(FuelSystemStatus::CLOSED_LOOP));
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::MALFUNCTION_INDICATOR_LIGHT_ON, 0);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::IGNITION_MONITORS_SUPPORTED,
+        toInt(IgnitionMonitorKind::SPARK));
+    sensorStore->setIntegerSensor(Obd2IntegerSensorIndex::IGNITION_SPECIFIC_MONITORS,
+        CommonIgnitionMonitors::COMPONENTS_AVAILABLE |
+        CommonIgnitionMonitors::MISFIRE_AVAILABLE |
+        SparkIgnitionMonitors::AC_REFRIGERANT_AVAILABLE |
+        SparkIgnitionMonitors::EVAPORATIVE_SYSTEM_AVAILABLE);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::INTAKE_AIR_TEMPERATURE, 35);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::COMMANDED_SECONDARY_AIR_STATUS,
+        toInt(SecondaryAirStatus::FROM_OUTSIDE_OR_OFF));
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::NUM_OXYGEN_SENSORS_PRESENT, 1);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::RUNTIME_SINCE_ENGINE_START, 500);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_WITH_MALFUNCTION_INDICATOR_LIGHT_ON, 0);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::WARMUPS_SINCE_CODES_CLEARED, 51);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_SINCE_CODES_CLEARED, 365);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::ABSOLUTE_BAROMETRIC_PRESSURE, 30);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::CONTROL_MODULE_VOLTAGE, 12);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::AMBIENT_AIR_TEMPERATURE, 18);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::MAX_FUEL_AIR_EQUIVALENCE_RATIO, 1);
+    sensorStore->setIntegerSensor(
+        Obd2IntegerSensorIndex::FUEL_TYPE, toInt(FuelType::GASOLINE));
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::CALCULATED_ENGINE_LOAD, 0.153);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK1, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK1, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK2, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK2, -0.16);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::INTAKE_MANIFOLD_ABSOLUTE_PRESSURE, 7.5);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ENGINE_RPM, 1250.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::VEHICLE_SPEED, 40.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::TIMING_ADVANCE, 2.5);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::THROTTLE_POSITION, 19.75);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::OXYGEN_SENSOR1_VOLTAGE, 0.265);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::FUEL_TANK_LEVEL_INPUT, 0.824);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::EVAPORATION_SYSTEM_VAPOR_PRESSURE, -0.373);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::CATALYST_TEMPERATURE_BANK1_SENSOR1, 190.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::RELATIVE_THROTTLE_POSITION, 3.);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ABSOLUTE_THROTTLE_POSITION_B, 0.306);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_D, 0.188);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_E, 0.094);
+    sensorStore->setFloatSensor(
+        Obd2FloatSensorIndex::COMMANDED_THROTTLE_ACTUATOR, 0.024);
+
+    return sensorStore;
+}
+
+void DefaultVehicleHal::initObd2LiveFrame(VehiclePropConfig& propConfig) {
+    auto sensorStore = fillDefaultObd2Frame(propConfig.configArray[0],
+            propConfig.configArray[1]);
+    mLiveObd2Frame = createVehiclePropValue(VehiclePropertyType::COMPLEX, 0);
+    sensorStore->fillPropValue(mLiveObd2Frame.get(), "");
+}
+
+void DefaultVehicleHal::initObd2FreezeFrame(VehiclePropConfig& propConfig) {
+    auto sensorStore = fillDefaultObd2Frame(propConfig.configArray[0],
+            propConfig.configArray[1]);
+
+    mFreezeObd2Frames.push_back(
+            createVehiclePropValue(VehiclePropertyType::COMPLEX,0));
+    mFreezeObd2Frames.push_back(
+            createVehiclePropValue(VehiclePropertyType::COMPLEX,0));
+    mFreezeObd2Frames.push_back(
+            createVehiclePropValue(VehiclePropertyType::COMPLEX,0));
+
+    sensorStore->fillPropValue(mFreezeObd2Frames[0].get(), "P0070");
+    sensorStore->fillPropValue(mFreezeObd2Frames[1].get(), "P0102");
+    sensorStore->fillPropValue(mFreezeObd2Frames[2].get(), "P0123");
+}
+
+void DefaultVehicleHal::parseRxProtoBuf(std::vector<uint8_t>& msg) {
+    emulator::EmulatorMessage rxMsg;
+    emulator::EmulatorMessage respMsg;
+    std::string str(reinterpret_cast<const char*>(msg.data()), msg.size());
+
+    rxMsg.ParseFromString(str);
+
+    switch (rxMsg.msg_type()) {
+    case emulator::GET_CONFIG_CMD:
+        doGetConfig(rxMsg, respMsg);
+        break;
+    case emulator::GET_CONFIG_ALL_CMD:
+        doGetConfigAll(rxMsg, respMsg);
+        break;
+    case emulator::GET_PROPERTY_CMD:
+        doGetProperty(rxMsg, respMsg);
+        break;
+    case emulator::GET_PROPERTY_ALL_CMD:
+        doGetPropertyAll(rxMsg, respMsg);
+        break;
+    case emulator::SET_PROPERTY_CMD:
+        doSetProperty(rxMsg, respMsg);
+        break;
+    default:
+        ALOGW("%s: Unknown message received, type = %d", __FUNCTION__, rxMsg.msg_type());
+        respMsg.set_status(emulator::ERROR_UNIMPLEMENTED_CMD);
+        break;
+    }
+
+    // Send the reply
+    txMsg(respMsg);
+}
+
+// Copies internal VehiclePropConfig data structure to protobuf VehiclePropConfig
+void DefaultVehicleHal::populateProtoVehicleConfig(emulator::VehiclePropConfig* protoCfg,
+                                                   const VehiclePropConfig& cfg) {
+    protoCfg->set_prop(cfg.prop);
+    protoCfg->set_access(toInt(cfg.access));
+    protoCfg->set_change_mode(toInt(cfg.changeMode));
+    protoCfg->set_value_type(toInt(getPropType(cfg.prop)));
+
+    if (!isGlobalProp(cfg.prop)) {
+        protoCfg->set_supported_areas(cfg.supportedAreas);
+    }
+
+    for (auto& configElement : cfg.configArray) {
+        protoCfg->add_config_array(configElement);
+    }
+
+    if (cfg.configString.size() > 0) {
+        protoCfg->set_config_string(cfg.configString.c_str(), cfg.configString.size());
+    }
+
+    // Populate the min/max values based on property type
+    switch (getPropType(cfg.prop)) {
+    case VehiclePropertyType::STRING:
+    case VehiclePropertyType::BOOLEAN:
+    case VehiclePropertyType::INT32_VEC:
+    case VehiclePropertyType::FLOAT_VEC:
+    case VehiclePropertyType::BYTES:
+    case VehiclePropertyType::COMPLEX:
+        // Do nothing.  These types don't have min/max values
+        break;
+    case VehiclePropertyType::INT64:
+        if (cfg.areaConfigs.size() > 0) {
+            emulator::VehicleAreaConfig* aCfg = protoCfg->add_area_configs();
+            aCfg->set_min_int64_value(cfg.areaConfigs[0].minInt64Value);
+            aCfg->set_max_int64_value(cfg.areaConfigs[0].maxInt64Value);
+        }
+        break;
+    case VehiclePropertyType::FLOAT:
+        if (cfg.areaConfigs.size() > 0) {
+            emulator::VehicleAreaConfig* aCfg = protoCfg->add_area_configs();
+            aCfg->set_min_float_value(cfg.areaConfigs[0].minFloatValue);
+            aCfg->set_max_float_value(cfg.areaConfigs[0].maxFloatValue);
+        }
+        break;
+    case VehiclePropertyType::INT32:
+        if (cfg.areaConfigs.size() > 0) {
+            emulator::VehicleAreaConfig* aCfg = protoCfg->add_area_configs();
+            aCfg->set_min_int32_value(cfg.areaConfigs[0].minInt32Value);
+            aCfg->set_max_int32_value(cfg.areaConfigs[0].maxInt32Value);
+        }
+        break;
+    default:
+        ALOGW("%s: Unknown property type:  0x%x", __FUNCTION__, toInt(getPropType(cfg.prop)));
+        break;
+    }
+
+    protoCfg->set_min_sample_rate(cfg.minSampleRate);
+    protoCfg->set_max_sample_rate(cfg.maxSampleRate);
+}
+
+// Copies internal VehiclePropValue data structure to protobuf VehiclePropValue
+void DefaultVehicleHal::populateProtoVehiclePropValue(emulator::VehiclePropValue* protoVal,
+                                                      const VehiclePropValue* val) {
+    protoVal->set_prop(val->prop);
+    protoVal->set_value_type(toInt(getPropType(val->prop)));
+    protoVal->set_timestamp(val->timestamp);
+    protoVal->set_area_id(val->areaId);
+
+    // Copy value data if it is set.
+    //  - for bytes and strings, this is indicated by size > 0
+    //  - for int32, int64, and float, copy the values if vectors have data
+    if (val->value.stringValue.size() > 0) {
+        protoVal->set_string_value(val->value.stringValue.c_str(), val->value.stringValue.size());
+    }
+
+    if (val->value.bytes.size() > 0) {
+        protoVal->set_bytes_value(val->value.bytes.data(), val->value.bytes.size());
+    }
+
+    for (auto& int32Value : val->value.int32Values) {
+        protoVal->add_int32_values(int32Value);
+    }
+
+    for (auto& int64Value : val->value.int64Values) {
+        protoVal->add_int64_values(int64Value);
+    }
+
+    for (auto& floatValue : val->value.floatValues) {
+        protoVal->add_float_values(floatValue);
+    }
+}
+
+void DefaultVehicleHal::rxMsg(void) {
+    int  numBytes = 0;
+    int32_t msgSize;
+    do {
+        // This is a variable length message.
+        // Read the number of bytes to rx over the socket
+        numBytes = read(mCurSocket, &msgSize, sizeof(msgSize));
+
+        if (numBytes != sizeof(msgSize)) {
+            // This happens when connection is closed
+            ALOGD("%s: numBytes=%d, expected=4", __FUNCTION__, numBytes);
+            break;
+        }
+
+        std::vector<uint8_t> msg = std::vector<uint8_t>(msgSize);
+
+        numBytes = read(mCurSocket, msg.data(), msgSize);
+
+        if ((numBytes == msgSize) && (msgSize > 0)) {
+            // Received a message.
+            parseRxProtoBuf(msg);
+        } else {
+            // This happens when connection is closed
+            ALOGD("%s: numBytes=%d, msgSize=%d", __FUNCTION__, numBytes, msgSize);
+            break;
+        }
+    } while (mExit == 0);
+}
+
+void DefaultVehicleHal::rxThread(void) {
+    // Initialize the socket
+    {
+        int retVal;
+        struct sockaddr_in servAddr;
+
+        mSocket = socket(AF_INET, SOCK_STREAM, 0);
+        if (mSocket < 0) {
+            ALOGE("%s: socket() failed, mSocket=%d, errno=%d", __FUNCTION__, mSocket, errno);
+            mSocket = -1;
+            return;
+        }
+
+        bzero(&servAddr, sizeof(servAddr));
+        servAddr.sin_family = AF_INET;
+        servAddr.sin_addr.s_addr = INADDR_ANY;
+        servAddr.sin_port = htons(DEBUG_SOCKET);
+
+        retVal = bind(mSocket, reinterpret_cast<struct sockaddr*>(&servAddr), sizeof(servAddr));
+        if(retVal < 0) {
+            ALOGE("%s: Error on binding: retVal=%d, errno=%d", __FUNCTION__, retVal, errno);
+            close(mSocket);
+            mSocket = -1;
+            return;
+        }
+
+        listen(mSocket, 1);
+
+        // Set the socket to be non-blocking so we can poll it continouously
+        fcntl(mSocket, F_SETFL, O_NONBLOCK);
+    }
+
+    while (mExit == 0) {
+        struct sockaddr_in cliAddr;
+        socklen_t cliLen = sizeof(cliAddr);
+        int cSocket = accept(mSocket, reinterpret_cast<struct sockaddr*>(&cliAddr), &cliLen);
+
+        if (cSocket >= 0) {
+            {
+                std::lock_guard<std::mutex> lock(mTxMutex);
+                mCurSocket = cSocket;
+            }
+            ALOGD("%s: Incoming connection received on socket %d", __FUNCTION__, cSocket);
+            rxMsg();
+            ALOGD("%s: Connection terminated on socket %d", __FUNCTION__, cSocket);
+            {
+                std::lock_guard<std::mutex> lock(mTxMutex);
+                mCurSocket = -1;
+            }
+        }
+
+        // TODO:  Use a blocking socket?
+        // Check every 100ms for a new socket connection
+        std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    }
+
+    // Shutdown the socket
+    close(mSocket);
+    mSocket = -1;
+}
+
+// This function sets the default value of a property if we are interested in setting it.
+// TODO:  Co-locate the default values with the configuration structure, to make it easier to
+//          add new properties and their defaults.
+void DefaultVehicleHal::setDefaultValue(VehiclePropValue* prop) {
+    switch (prop->prop) {
+    case toInt(VehicleProperty::INFO_MAKE):
+        prop->value.stringValue = "Default Car";
+        break;
+    case toInt(VehicleProperty::HVAC_POWER_ON):
+        prop->value.int32Values[0] = 1;
+        break;
+    case toInt(VehicleProperty::HVAC_DEFROSTER):
+        prop->value.int32Values[0] = 0;
+        break;
+    case toInt(VehicleProperty::HVAC_RECIRC_ON):
+        prop->value.int32Values[0] = 1;
+        break;
+    case toInt(VehicleProperty::HVAC_AC_ON):
+        prop->value.int32Values[0] = 1;
+        break;
+    case toInt(VehicleProperty::HVAC_AUTO_ON):
+        prop->value.int32Values[0] = 1;
+        break;
+    case toInt(VehicleProperty::HVAC_FAN_SPEED):
+        prop->value.int32Values[0] = 3;
+        break;
+    case toInt(VehicleProperty::HVAC_FAN_DIRECTION):
+        prop->value.int32Values[0] = toInt(VehicleHvacFanDirection::FACE);
+        break;
+    case toInt(VehicleProperty::HVAC_TEMPERATURE_SET):
+        prop->value.floatValues[0] = 16;
+        break;
+    case toInt(VehicleProperty::NIGHT_MODE):
+        prop->value.int32Values[0] = 0;
+        break;
+    case toInt(VehicleProperty::DRIVING_STATUS):
+        prop->value.int32Values[0] = toInt(VehicleDrivingStatus::UNRESTRICTED);
+        break;
+    case toInt(VehicleProperty::GEAR_SELECTION):
+        prop->value.int32Values[0] = toInt(VehicleGear::GEAR_PARK);
+        break;
+    case toInt(VehicleProperty::INFO_FUEL_CAPACITY):
+        prop->value.floatValues[0] = 0.75f;
+        break;
+    case toInt(VehicleProperty::DISPLAY_BRIGHTNESS):
+        prop->value.int32Values[0] = 7;
+        break;
+    case toInt(VehicleProperty::IGNITION_STATE):
+        prop->value.int32Values[0] = toInt(VehicleIgnitionState::ON);
+        break;
+    case toInt(VehicleProperty::OBD2_LIVE_FRAME):
+        // OBD2 is handled separately
+        break;
+    case toInt(VehicleProperty::OBD2_FREEZE_FRAME):
+        // OBD2 is handled separately
+        break;
+    default:
+        ALOGW("%s: propId=0x%x not found", __FUNCTION__, prop->prop);
+        break;
+    }
+}
+
+// Transmit a reply back to the emulator
+void DefaultVehicleHal::txMsg(emulator::EmulatorMessage& txMsg) {
+    std::string msgString;
+
+    if (txMsg.SerializeToString(&msgString)) {
+        int32_t msgLen = msgString.length();
+        int retVal = 0;
+
+        // TODO:  Prepend the message length to the string without a copy
+        msgString.insert(0, reinterpret_cast<char*>(&msgLen), 4);
+
+        // Send the message
+        {
+            std::lock_guard<std::mutex> lock(mTxMutex);
+            if (mCurSocket != -1) {
+                retVal = write(mCurSocket, msgString.data(), msgString.size());
+            }
+        }
+
+        if (retVal < 0) {
+            ALOGE("%s: Failed to tx message: retval=%d, errno=%d", __FUNCTION__, retVal, errno);
+        }
+    } else {
+        ALOGE("%s: SerializeToString failed!", __FUNCTION__);
+    }
+}
+
+// Updates the property value held in the HAL
+StatusCode DefaultVehicleHal::updateProperty(const VehiclePropValue& propValue) {
+    auto propId = propValue.prop;
+    auto areaId = propValue.areaId;
+    StatusCode status = StatusCode::INVALID_ARG;
+
+    {
+        std::lock_guard<std::mutex> lock(mPropsMutex);
+
+        VehiclePropValue* internalPropValue = getVehiclePropValueLocked(propId, areaId);
+        if (internalPropValue != nullptr) {
+            internalPropValue->value = propValue.value;
+            internalPropValue->timestamp = elapsedRealtimeNano();
+            status = StatusCode::OK;
+        }
+    }
+    return status;
+}
+
 VehicleHal::VehiclePropValuePtr DefaultVehicleHal::get(
         const VehiclePropValue& requestedPropValue, StatusCode* outStatus) {
-    *outStatus = StatusCode::OK;
-
-    VehiclePropValuePtr v;
-    auto property = static_cast<VehicleProperty>(requestedPropValue.prop);
-    int32_t areaId = requestedPropValue.areaId;
+    auto areaId = requestedPropValue.areaId;
     auto& pool = *getValuePool();
+    auto propId = requestedPropValue.prop;
+    StatusCode status;
+    VehiclePropValuePtr v = nullptr;
 
-    switch (property) {
-        case VehicleProperty::INFO_MAKE:
-            v = pool.obtainString("Default Car");
-            break;
-        case VehicleProperty::HVAC_FAN_SPEED:
-            v = pool.obtainInt32(mFanSpeed);
-            break;
-        case VehicleProperty::HVAC_POWER_ON:
-            v = pool.obtainBoolean(mHvacPowerOn);
-            break;
-        case VehicleProperty::HVAC_RECIRC_ON:
-            v = pool.obtainBoolean(mHvacRecircOn);
-            break;
-        case VehicleProperty::HVAC_AC_ON:
-            v = pool.obtainBoolean(mHvacAcOn);
-            break;
-        case VehicleProperty::HVAC_AUTO_ON:
-            v = pool.obtainBoolean(mHvacAutoOn);
-            break;
-        case VehicleProperty::HVAC_FAN_DIRECTION:
-            v = pool.obtainInt32(toInt(mFanDirection));
-            break;
-        case VehicleProperty::HVAC_DEFROSTER:
-            bool defroster;
-            *outStatus = getHvacDefroster(areaId, &defroster);
-            if (StatusCode::OK == *outStatus) {
-                v = pool.obtainBoolean(defroster);
+    switch (propId) {
+    case toInt(VehicleProperty::OBD2_LIVE_FRAME):
+        v = pool.obtainComplex();
+        status = fillObd2LiveFrame(v.get());
+        break;
+    case toInt(VehicleProperty::OBD2_FREEZE_FRAME):
+        v = pool.obtainComplex();
+        status = fillObd2FreezeFrame(requestedPropValue, v.get());
+        break;
+    case toInt(VehicleProperty::OBD2_FREEZE_FRAME_INFO):
+        v = pool.obtainComplex();
+        status = fillObd2DtcInfo(v.get());
+        break;
+    default:
+        {
+            std::lock_guard<std::mutex> lock(mPropsMutex);
+
+            VehiclePropValue *internalPropValue = getVehiclePropValueLocked(propId, areaId);
+            if (internalPropValue != nullptr) {
+                v = pool.obtain(*internalPropValue);
             }
-            break;
-        case VehicleProperty::HVAC_TEMPERATURE_SET:
-            float value;
-            *outStatus = getHvacTemperature(requestedPropValue.areaId,
-                                            &value);
-            if (StatusCode::OK == *outStatus) {
-                v = pool.obtainFloat(value);
-            }
-            break;
-        case VehicleProperty::INFO_FUEL_CAPACITY:
-            v = pool.obtainFloat(0.75f);
-            break;
-        case VehicleProperty::DISPLAY_BRIGHTNESS:
-            v = pool.obtainInt32(mBrightness);
-            break;
-        case VehicleProperty::NIGHT_MODE:
-            v = pool.obtainBoolean(false);
-            break;
-        case VehicleProperty::GEAR_SELECTION:
-            v = pool.obtainInt32(toInt(VehicleGear::GEAR_PARK));
-            break;
-        case VehicleProperty::DRIVING_STATUS:
-            v = pool.obtainInt32(toInt(VehicleDrivingStatus::UNRESTRICTED));
-            break;
-        case VehicleProperty::IGNITION_STATE:
-            v = pool.obtainInt32(toInt(VehicleIgnitionState::ACC));
-            break;
-        case VehicleProperty::OBD2_LIVE_FRAME:
-            v = pool.obtainComplex();
-            *outStatus = fillObd2LiveFrame(&v);
-            break;
-        case VehicleProperty::OBD2_FREEZE_FRAME:
-            v = pool.obtainComplex();
-            *outStatus = fillObd2FreezeFrame(&v);
-            break;
-        default:
-            *outStatus = StatusCode::INVALID_ARG;
+        }
+
+        if (v != nullptr) {
+            status = StatusCode::OK;
+        } else {
+            status = StatusCode::INVALID_ARG;
+        }
+        break;
     }
 
-    if (StatusCode::OK == *outStatus && v.get() != nullptr) {
-        v->prop = toInt(property);
-        v->areaId = areaId;
-        v->timestamp = elapsedRealtimeNano();
-    }
-
+    *outStatus = status;
     return v;
 }
 
 StatusCode DefaultVehicleHal::set(const VehiclePropValue& propValue) {
-    auto property = static_cast<VehicleProperty>(propValue.prop);
-    const auto& v = propValue.value;
-
-    StatusCode status = StatusCode::OK;
-
-    switch (property) {
-        case VehicleProperty::HVAC_POWER_ON:
-            mHvacPowerOn = v.int32Values[0] == 1;
-            break;
-        case VehicleProperty::HVAC_RECIRC_ON:
-            mHvacRecircOn = v.int32Values[0] == 1;
-            break;
-        case VehicleProperty::HVAC_AC_ON:
-            mHvacAcOn = v.int32Values[0] == 1;
-            break;
-        case VehicleProperty::HVAC_AUTO_ON:
-            mHvacAutoOn = v.int32Values[0] == 1;
-            break;
-        case VehicleProperty::HVAC_DEFROSTER:
-            status = setHvacDefroster(propValue.areaId, v.int32Values[0] == 1);
-            break;
-        case VehicleProperty::HVAC_FAN_DIRECTION:
-            mFanDirection =
-                    static_cast<VehicleHvacFanDirection>(v.int32Values[0]);
-            break;
-        case VehicleProperty::HVAC_FAN_SPEED:
-            mFanSpeed = v.int32Values[0];
-            break;
-        case VehicleProperty::HVAC_TEMPERATURE_SET:
-            status = setHvacTemperature(propValue.areaId, v.floatValues[0]);
-            break;
-        case VehicleProperty::DISPLAY_BRIGHTNESS:
-            mBrightness = v.int32Values[0];
+    auto propId = propValue.prop;
+    StatusCode status;
+    switch (propId) {
+        case toInt(VehicleProperty::OBD2_FREEZE_FRAME_CLEAR):
+            status = clearObd2FreezeFrames(propValue);
             break;
         default:
-            status = StatusCode::INVALID_ARG;
+            status = updateProperty(propValue);
+            if (status == StatusCode::OK) {
+                // Send property update to emulator
+                emulator::EmulatorMessage msg;
+                emulator::VehiclePropValue *val = msg.add_value();
+                populateProtoVehiclePropValue(val, &propValue);
+                msg.set_status(emulator::RESULT_OK);
+                msg.set_msg_type(emulator::SET_PROPERTY_ASYNC);
+                txMsg(msg);
+            }
+            break;
     }
 
     return status;
 }
 
+// Parse supported properties list and generate vector of property values to hold current values.
 void DefaultVehicleHal::onCreate() {
-    const auto& propConfigs(listProperties());
-    auto obd2LiveFramePropConfig = std::find_if(
-        propConfigs.begin(),
-        propConfigs.end(),
-        [] (VehiclePropConfig config) -> bool {
-            return (config.prop == toInt(VehicleProperty::OBD2_LIVE_FRAME));
-        });
-    mObd2SensorStore.reset(new Obd2SensorStore(
-        obd2LiveFramePropConfig->configArray[0],
-        obd2LiveFramePropConfig->configArray[1]));
-    // precalculate OBD2 sensor values
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::FUEL_SYSTEM_STATUS,
-        toInt(FuelSystemStatus::CLOSED_LOOP));
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::MALFUNCTION_INDICATOR_LIGHT_ON, 0);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::IGNITION_MONITORS_SUPPORTED,
-        toInt(IgnitionMonitorKind::SPARK));
-    mObd2SensorStore->setIntegerSensor(Obd2IntegerSensorIndex::IGNITION_SPECIFIC_MONITORS,
-        CommonIgnitionMonitors::COMPONENTS_AVAILABLE |
-        CommonIgnitionMonitors::MISFIRE_AVAILABLE |
-        SparkIgnitionMonitors::AC_REFRIGERANT_AVAILABLE |
-        SparkIgnitionMonitors::EVAPORATIVE_SYSTEM_AVAILABLE);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::INTAKE_AIR_TEMPERATURE, 35);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::COMMANDED_SECONDARY_AIR_STATUS,
-        toInt(SecondaryAirStatus::FROM_OUTSIDE_OR_OFF));
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::NUM_OXYGEN_SENSORS_PRESENT, 1);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::RUNTIME_SINCE_ENGINE_START, 500);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_WITH_MALFUNCTION_INDICATOR_LIGHT_ON, 0);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::WARMUPS_SINCE_CODES_CLEARED, 51);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::DISTANCE_TRAVELED_SINCE_CODES_CLEARED, 365);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::ABSOLUTE_BAROMETRIC_PRESSURE, 30);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::CONTROL_MODULE_VOLTAGE, 12);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::AMBIENT_AIR_TEMPERATURE, 18);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::MAX_FUEL_AIR_EQUIVALENCE_RATIO, 1);
-    mObd2SensorStore->setIntegerSensor(
-        Obd2IntegerSensorIndex::FUEL_TYPE, toInt(FuelType::GASOLINE));
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::CALCULATED_ENGINE_LOAD, 0.153);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK1, -0.16);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK1, -0.16);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::SHORT_TERM_FUEL_TRIM_BANK2, -0.16);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::LONG_TERM_FUEL_TRIM_BANK2, -0.16);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::INTAKE_MANIFOLD_ABSOLUTE_PRESSURE, 7.5);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ENGINE_RPM, 1250.);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::VEHICLE_SPEED, 40.);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::TIMING_ADVANCE, 2.5);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::THROTTLE_POSITION, 19.75);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::OXYGEN_SENSOR1_VOLTAGE, 0.265);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::FUEL_TANK_LEVEL_INPUT, 0.824);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::EVAPORATION_SYSTEM_VAPOR_PRESSURE, -0.373);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::CATALYST_TEMPERATURE_BANK1_SENSOR1, 190.);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::RELATIVE_THROTTLE_POSITION, 3.);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ABSOLUTE_THROTTLE_POSITION_B, 0.306);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_D, 0.188);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::ACCELERATOR_PEDAL_POSITION_E, 0.094);
-    mObd2SensorStore->setFloatSensor(
-        Obd2FloatSensorIndex::COMMANDED_THROTTLE_ACTUATOR, 0.024);
+    // Initialize member variables
+    mCurSocket = -1;
+    mExit = 0;
+    mSocket = -1;
+
+    // Get the list of configurations supported by this HAL
+    std::vector<VehiclePropConfig> configs = listProperties();
+
+    for (auto& cfg : configs) {
+        VehiclePropertyType propType = getPropType(cfg.prop);
+        int32_t supportedAreas = cfg.supportedAreas;
+        int32_t vecSize;
+
+        // Set the vector size based on property type
+        switch (propType) {
+        case VehiclePropertyType::BOOLEAN:
+        case VehiclePropertyType::INT32:
+        case VehiclePropertyType::INT64:
+        case VehiclePropertyType::FLOAT:
+            vecSize = 1;
+            break;
+        case VehiclePropertyType::INT32_VEC:
+        case VehiclePropertyType::FLOAT_VEC:
+        case VehiclePropertyType::BYTES:
+            // TODO:  Add proper support for these types
+            vecSize = 1;
+            break;
+        case VehiclePropertyType::STRING:
+            // Require individual handling
+            vecSize = 0;
+            break;
+        case VehiclePropertyType::COMPLEX:
+            switch (cfg.prop) {
+            case toInt(VehicleProperty::OBD2_LIVE_FRAME):
+                initObd2LiveFrame(cfg);
+                break;
+            case toInt(VehicleProperty::OBD2_FREEZE_FRAME):
+                initObd2FreezeFrame(cfg);
+                break;
+            default:
+                // Need to handle each complex property separately
+                break;
+            }
+            continue;
+            break;
+        case VehiclePropertyType::MASK:
+        default:
+            ALOGW("%s: propType=0x%x not found", __FUNCTION__, propType);
+            vecSize = 0;
+            break;
+        }
+
+        //  A global property will have supportedAreas = 0
+        if (getPropArea(cfg.prop) == VehicleArea::GLOBAL) {
+            supportedAreas = 0;
+        }
+
+        // This loop is a do-while so it executes at least once to handle global properties
+        do {
+            int32_t curArea = supportedAreas;
+
+            // Clear the right-most bit of supportedAreas
+            supportedAreas &= supportedAreas - 1;
+
+            // Set curArea to the previously cleared bit
+            curArea ^= supportedAreas;
+
+            // Create a separate instance for each individual zone
+            std::unique_ptr<VehiclePropValue> prop = createVehiclePropValue(propType, vecSize);
+            prop->areaId = curArea;
+            prop->prop = cfg.prop;
+            setDefaultValue(prop.get());
+            mProps.push_back(std::move(prop));
+        } while (supportedAreas != 0);
+    }
+
+    // Start rx thread
+    mThread = std::thread(&DefaultVehicleHal::rxThread, this);
 }
 
-StatusCode DefaultVehicleHal::getHvacTemperature(int32_t areaId,
-                                                 float* outValue)  {
-    if (areaId == toInt(VehicleAreaZone::ROW_1_LEFT)) {
-        *outValue = mRow1LeftHvacTemperatureSet;
-    } else if (areaId == toInt(VehicleAreaZone::ROW_1_RIGHT)) {
-        *outValue = mRow1RightHvacTemperatureSet;
-    } else {
+StatusCode DefaultVehicleHal::fillObd2LiveFrame(VehiclePropValue* v) {
+    v->prop = toInt(VehicleProperty::OBD2_LIVE_FRAME);
+    v->value.int32Values = mLiveObd2Frame->value.int32Values;
+    v->value.floatValues = mLiveObd2Frame->value.floatValues;
+    v->value.bytes = mLiveObd2Frame->value.bytes;
+    return StatusCode::OK;
+}
+
+template<typename Iterable>
+typename Iterable::const_iterator findPropValueAtTimestamp(
+        const Iterable& frames,
+        int64_t timestamp) {
+    return std::find_if(frames.begin(),
+            frames.end(),
+            [timestamp] (const std::unique_ptr<VehiclePropValue>&
+                         propValue) -> bool {
+                             return propValue->timestamp == timestamp;
+            });
+}
+
+StatusCode DefaultVehicleHal::fillObd2FreezeFrame(
+        const VehiclePropValue& requestedPropValue, VehiclePropValue* v) {
+    if (requestedPropValue.value.int64Values.size() != 1) {
+        ALOGE("asked for OBD2_FREEZE_FRAME without valid timestamp");
         return StatusCode::INVALID_ARG;
     }
+    auto timestamp = requestedPropValue.value.int64Values[0];
+    auto freezeFrameIter = findPropValueAtTimestamp(mFreezeObd2Frames,
+            timestamp);
+    if(mFreezeObd2Frames.end() == freezeFrameIter) {
+        ALOGE("asked for OBD2_FREEZE_FRAME at invalid timestamp");
+        return StatusCode::INVALID_ARG;
+    }
+    const std::unique_ptr<VehiclePropValue>& freezeFrame = *freezeFrameIter;
+    v->prop = toInt(VehicleProperty::OBD2_FREEZE_FRAME);
+    v->value.int32Values = freezeFrame->value.int32Values;
+    v->value.floatValues = freezeFrame->value.floatValues;
+    v->value.bytes = freezeFrame->value.bytes;
+    v->value.stringValue = freezeFrame->value.stringValue;
+    v->timestamp = freezeFrame->timestamp;
+    return StatusCode::OK;
+}
+
+StatusCode DefaultVehicleHal::clearObd2FreezeFrames(
+    const VehiclePropValue& propValue) {
+    if (propValue.value.int64Values.size() == 0) {
+        mFreezeObd2Frames.clear();
+        return StatusCode::OK;
+    } else {
+        for(int64_t timestamp: propValue.value.int64Values) {
+            auto freezeFrameIter = findPropValueAtTimestamp(mFreezeObd2Frames,
+                    timestamp);
+            if(mFreezeObd2Frames.end() == freezeFrameIter) {
+                ALOGE("asked for OBD2_FREEZE_FRAME at invalid timestamp");
+                return StatusCode::INVALID_ARG;
+            }
+            mFreezeObd2Frames.erase(freezeFrameIter);
+        }
+    }
     return StatusCode::OK;
 }
 
-StatusCode DefaultVehicleHal::setHvacTemperature(
-    int32_t areaId, float value) {
-    if (areaId == toInt(VehicleAreaZone::ROW_1_LEFT)) {
-        mRow1LeftHvacTemperatureSet = value;
-    } else if (areaId == toInt(VehicleAreaZone::ROW_1_RIGHT)) {
-        mRow1RightHvacTemperatureSet = value;
-    } else {
-        return StatusCode::INVALID_ARG;
+StatusCode DefaultVehicleHal::fillObd2DtcInfo(VehiclePropValue* v) {
+    std::vector<int64_t> timestamps;
+    for(const auto& freezeFrame: mFreezeObd2Frames) {
+        timestamps.push_back(freezeFrame->timestamp);
     }
+    v->value.int64Values = timestamps;
     return StatusCode::OK;
 }
 
-StatusCode DefaultVehicleHal::getHvacDefroster(int32_t areaId,
-                                               bool* outValue) {
-    ALOGI("Getting Hvac defroster for area: 0x%x", areaId);
-
-    if (areaId == toInt(VehicleAreaWindow::FRONT_WINDSHIELD)) {
-        *outValue = mFrontDefroster;
-    } else if (areaId == toInt(VehicleAreaWindow::REAR_WINDSHIELD)) {
-        *outValue = mRearDefroster;
-    } else {
-        ALOGE("Unable to get hvac defroster for area: 0x%x", areaId);
-        return StatusCode::INVALID_ARG;
-    }
-
-    ALOGI("Getting Hvac defroster for area: 0x%x, OK", areaId);
-    return StatusCode::OK;
-}
-
-StatusCode DefaultVehicleHal::setHvacDefroster(int32_t areaId, bool value) {
-    if (areaId == toInt(VehicleAreaWindow::FRONT_WINDSHIELD)) {
-        mFrontDefroster = value;
-    } else if (areaId == toInt(VehicleAreaWindow::REAR_WINDSHIELD)) {
-        mRearDefroster = value;
-    } else {
-        return StatusCode::INVALID_ARG;
-    }
-    return StatusCode::OK;
-}
-
-StatusCode DefaultVehicleHal::fillObd2LiveFrame(VehiclePropValuePtr* v) {
-    (*v)->value.int32Values = mObd2SensorStore->getIntegerSensors();
-    (*v)->value.floatValues = mObd2SensorStore->getFloatSensors();
-    (*v)->value.bytes = mObd2SensorStore->getSensorsBitmask();
-    return StatusCode::OK;
-}
-
-StatusCode DefaultVehicleHal::fillObd2FreezeFrame(VehiclePropValuePtr* v) {
-    (*v)->value.int32Values = mObd2SensorStore->getIntegerSensors();
-    (*v)->value.floatValues = mObd2SensorStore->getFloatSensors();
-    (*v)->value.bytes = mObd2SensorStore->getSensorsBitmask();
-    (*v)->value.stringValue = "P0010";
-    return StatusCode::OK;
-}
 
 
 }  // impl
diff --git a/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.h b/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.h
index ccedeeb..4b89f55 100644
--- a/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.h
+++ b/automotive/vehicle/2.0/default/impl/DefaultVehicleHal.h
@@ -21,8 +21,12 @@
 
 #include <VehicleHal.h>
 #include <impl/DefaultConfig.h>
-#include <vehicle_hal_manager/Obd2SensorStore.h>
+#include <sys/socket.h>
+#include <thread>
 #include <utils/SystemClock.h>
+#include <vehicle_hal_manager/Obd2SensorStore.h>
+#include "VehicleHalProto.pb.h"
+
 
 namespace android {
 namespace hardware {
@@ -34,6 +38,23 @@
 
 class DefaultVehicleHal : public VehicleHal {
 public:
+    DefaultVehicleHal() : mThread() {}
+    ~DefaultVehicleHal() override {
+        // Notify thread to finish and wait for it to terminate
+        mExit = 1;
+
+        // Close emulator socket if it is open
+        {
+            std::lock_guard<std::mutex> lock(mTxMutex);
+            if (mCurSocket != -1) {
+                close(mCurSocket);
+                mCurSocket = -1;
+            }
+        }
+
+        mThread.join();
+    }
+
     std::vector<VehiclePropConfig> listProperties() override {
         return std::vector<VehiclePropConfig>(std::begin(kVehicleProperties),
                                               std::end(kVehicleProperties));
@@ -46,38 +67,52 @@
 
     StatusCode set(const VehiclePropValue& propValue) override;
 
-    StatusCode subscribe(int32_t /*property*/,
-                         int32_t /*areas*/,
-                         float /*sampleRate*/) override {
-        // TODO(pavelm): implement
+    StatusCode subscribe(int32_t property, int32_t areas, float sampleRate) {
+        ALOGD("%s: not implemented: prop=0x%x, areas=0x%x, rate=%f", __FUNCTION__, property,
+              areas, sampleRate);
         return StatusCode::OK;
     }
 
-    StatusCode unsubscribe(int32_t /*property*/) override {
-        // TODO(pavelm): implement
+    StatusCode unsubscribe(int32_t property) {
+        ALOGD("%s: not implemented: prop=0x%x", __FUNCTION__, property);
         return StatusCode::OK;
     }
 
 private:
-    StatusCode getHvacTemperature(int32_t areaId, float* outValue);
-    StatusCode setHvacTemperature(int32_t areaId, float value);
-    StatusCode getHvacDefroster(int32_t areaId, bool* outValue);
-    StatusCode setHvacDefroster(int32_t areaId, bool value);
-    StatusCode fillObd2LiveFrame(VehiclePropValuePtr* v);
-    StatusCode fillObd2FreezeFrame(VehiclePropValuePtr* v);
+    void doGetConfig(emulator::EmulatorMessage& rxMsg, emulator::EmulatorMessage& respMsg);
+    void doGetConfigAll(emulator::EmulatorMessage& rxMsg, emulator::EmulatorMessage& respMsg);
+    void doGetProperty(emulator::EmulatorMessage& rxMsg, emulator::EmulatorMessage& respMsg);
+    void doGetPropertyAll(emulator::EmulatorMessage& rxMsg, emulator::EmulatorMessage& respMsg);
+    void doSetProperty(emulator::EmulatorMessage& rxMsg, emulator::EmulatorMessage& respMsg);
+    VehiclePropValue* getVehiclePropValueLocked(int32_t propId, int32_t areaId);
+    void initObd2LiveFrame(VehiclePropConfig& propConfig);
+    void initObd2FreezeFrame(VehiclePropConfig& propConfig);
+    void parseRxProtoBuf(std::vector<uint8_t>& msg);
+    void populateProtoVehicleConfig(emulator::VehiclePropConfig* protoCfg,
+                                    const VehiclePropConfig& cfg);
+    void populateProtoVehiclePropValue(emulator::VehiclePropValue* protoVal,
+                                       const VehiclePropValue* val);
+    void setDefaultValue(VehiclePropValue* prop);
+    void rxMsg(void);
+    void rxThread(void);
+    void txMsg(emulator::EmulatorMessage& txMsg);
+    StatusCode updateProperty(const VehiclePropValue& propValue);
+    StatusCode fillObd2LiveFrame(VehiclePropValue* v);
+    StatusCode fillObd2FreezeFrame(const VehiclePropValue& requestedPropValue,
+            VehiclePropValue* v);
+    StatusCode fillObd2DtcInfo(VehiclePropValue *v);
+    StatusCode clearObd2FreezeFrames(const VehiclePropValue& propValue);
 private:
-    int32_t mFanSpeed = 3;
-    int32_t mBrightness = 7;
-    float mRow1LeftHvacTemperatureSet = 16;
-    float mRow1RightHvacTemperatureSet = 22;
-    bool mFrontDefroster = false;
-    bool mRearDefroster = false;
-    bool mHvacPowerOn = true;
-    bool mHvacRecircOn = true;
-    bool mHvacAcOn = true;
-    bool mHvacAutoOn = true;
-    VehicleHvacFanDirection mFanDirection = VehicleHvacFanDirection::FACE;
-    std::unique_ptr<Obd2SensorStore> mObd2SensorStore{nullptr};
+    // TODO:  Use a hashtable to support indexing props
+    std::vector<std::unique_ptr<VehiclePropValue>> mProps;
+    std::atomic<int> mCurSocket;
+    std::atomic<int> mExit;
+    std::unique_ptr<VehiclePropValue> mLiveObd2Frame {nullptr};
+    std::vector<std::unique_ptr<VehiclePropValue>> mFreezeObd2Frames;
+    std::mutex mPropsMutex;
+    int mSocket;
+    std::mutex mTxMutex;
+    std::thread mThread;
 };
 
 }  // impl
diff --git a/automotive/vehicle/2.0/default/impl/proto/VehicleHalProto.proto b/automotive/vehicle/2.0/default/impl/proto/VehicleHalProto.proto
new file mode 100644
index 0000000..86433f5
--- /dev/null
+++ b/automotive/vehicle/2.0/default/impl/proto/VehicleHalProto.proto
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2015 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.
+ */
+
+syntax = "proto2";
+option optimize_for = LITE_RUNTIME;
+
+package emulator;
+
+// CMD messages are from workstation --> VHAL
+// RESP messages are from VHAL --> workstation
+enum MsgType {
+    GET_CONFIG_CMD                      = 0;
+    GET_CONFIG_RESP                     = 1;
+    GET_CONFIG_ALL_CMD                  = 2;
+    GET_CONFIG_ALL_RESP                 = 3;
+    GET_PROPERTY_CMD                    = 4;
+    GET_PROPERTY_RESP                   = 5;
+    GET_PROPERTY_ALL_CMD                = 6;
+    GET_PROPERTY_ALL_RESP               = 7;
+    SET_PROPERTY_CMD                    = 8;
+    SET_PROPERTY_RESP                   = 9;
+    SET_PROPERTY_ASYNC                  = 10;
+}
+enum Status {
+    RESULT_OK                           = 0;
+    ERROR_UNKNOWN                       = 1;
+    ERROR_UNIMPLEMENTED_CMD             = 2;
+    ERROR_INVALID_PROPERTY              = 3;
+    ERROR_INVALID_AREA_ID               = 4;
+    ERROR_PROPERTY_UNINITIALIZED        = 5;
+    ERROR_WRITE_ONLY_PROPERTY           = 6;
+    ERROR_MEMORY_ALLOC_FAILED           = 7;
+    ERROR_INVALID_OPERATION             = 8;
+}
+
+message VehicleAreaConfig {
+    required int32  area_id             = 1;
+    optional sint32 min_int32_value     = 2;
+    optional sint32 max_int32_value     = 3;
+    optional sint64 min_int64_value     = 4;
+    optional sint64 max_int64_value     = 5;
+    optional float  min_float_value     = 6;
+    optional float  max_float_value     = 7;
+}
+
+message VehiclePropConfig {
+    required int32             prop                = 1;
+    optional int32             access              = 2;
+    optional int32             change_mode         = 3;
+    optional int32             value_type          = 4;
+    optional int32             supported_areas     = 5;
+    repeated VehicleAreaConfig area_configs        = 6;
+    optional int32             config_flags        = 7;
+    repeated int32             config_array        = 8;
+    optional string            config_string       = 9;
+    optional float             min_sample_rate     = 10;
+    optional float             max_sample_rate     = 11;
+};
+
+message VehiclePropValue {
+    // common data
+    required int32  prop                = 1;
+    optional int32  value_type          = 2;
+    optional int64  timestamp           = 3;    // required for valid data from HAL, skipped for set
+
+    // values
+    optional int32  area_id             = 4;
+    repeated sint32 int32_values        = 5;    // this also covers boolean value.
+    repeated sint64 int64_values        = 6;
+    repeated float  float_values        = 7;
+    optional string string_value        = 8;
+    optional bytes  bytes_value         = 9;
+};
+
+// This structure is used to notify what values to get from the Vehicle HAL
+message VehiclePropGet {
+    required int32 prop                 = 1;
+    optional int32 area_id              = 2;
+};
+
+message EmulatorMessage {
+    required MsgType           msg_type = 1;
+    optional Status            status   = 2;    // Only for RESP messages
+    repeated VehiclePropGet    prop     = 3;    // Provided for getConfig, getProperty commands
+    repeated VehiclePropConfig config   = 4;
+    repeated VehiclePropValue  value    = 5;
+};
diff --git a/automotive/vehicle/2.0/default/tests/AccessControlConfigParser_test.cpp b/automotive/vehicle/2.0/default/tests/AccessControlConfigParser_test.cpp
index 7c9a4d9..6922b86 100644
--- a/automotive/vehicle/2.0/default/tests/AccessControlConfigParser_test.cpp
+++ b/automotive/vehicle/2.0/default/tests/AccessControlConfigParser_test.cpp
@@ -50,7 +50,7 @@
 
     ASSERT_TRUE(parser->parseFromStream(&file, &aclMap));
 
-    ASSERT_EQ(1, aclMap.size());
+    ASSERT_EQ(1u, aclMap.size());
     auto it = aclMap.find(toInt(VehicleProperty::HVAC_FAN_SPEED));
     ASSERT_NE(aclMap.end(), it);
     ASSERT_EQ(VehiclePropertyAccess::READ_WRITE, it->second.access);
@@ -74,7 +74,7 @@
     for (auto it = range.first; it != range.second; ++it) {
         auto& acl = it->second;
 
-        ASSERT_EQ(1, expectedUids.count(acl.uid))
+        ASSERT_EQ(1u, expectedUids.count(acl.uid))
                 << " uid: " << std::hex << acl.uid;
 
         if (acl.uid == 0xbeef) {
@@ -93,12 +93,12 @@
 
     ASSERT_FALSE(parser->parseFromStream(&file, &aclMap));
 
-    ASSERT_EQ(1, aclMap.size());
+    ASSERT_EQ(1u, aclMap.size());
     auto it = aclMap.find(toInt(VehicleProperty::HVAC_FAN_SPEED));
     ASSERT_NE(aclMap.end(), it);
     ASSERT_EQ(VehiclePropertyAccess::READ, it->second.access);
     ASSERT_EQ(toInt(VehicleProperty::HVAC_FAN_SPEED), it->second.propId);
-    ASSERT_EQ(0xbeef, it->second.uid);
+    ASSERT_EQ(0xBEEFu, it->second.uid);
 }
 
 TEST_F(AccessControlConfigParserTest, badIntegerFormat) {
@@ -106,7 +106,7 @@
     file << "S:0x0500 A12 RW " << std::endl;
 
     ASSERT_FALSE(parser->parseFromStream(&file, &aclMap));
-    ASSERT_EQ(0, aclMap.size());
+    ASSERT_EQ(0u, aclMap.size());
 }
 
 TEST_F(AccessControlConfigParserTest, ignoreNotSupportedProperties) {
@@ -114,7 +114,7 @@
     file << "S:0x0666 1000 RW " << std::endl;
 
     ASSERT_FALSE(parser->parseFromStream(&file, &aclMap));
-    ASSERT_EQ(0, aclMap.size());
+    ASSERT_EQ(0u, aclMap.size());
 }
 
 TEST_F(AccessControlConfigParserTest, multipleCalls) {
@@ -122,12 +122,12 @@
     configFile << "S:0x0500 1000 RW" << std::endl;
 
     ASSERT_TRUE(parser->parseFromStream(&configFile, &aclMap));
-    ASSERT_EQ(1, aclMap.size());
+    ASSERT_EQ(1u, aclMap.size());
 
     std::stringstream configFile2;
     configFile2 << "S:0x0501 1004 RW" << std::endl;
     ASSERT_TRUE(parser->parseFromStream(&configFile2, &aclMap));
-    ASSERT_EQ(2, aclMap.size());
+    ASSERT_EQ(2u, aclMap.size());
 
     auto it = aclMap.find(toInt(VehicleProperty::HVAC_FAN_SPEED));
     ASSERT_NE(aclMap.end(), it);
diff --git a/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp b/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp
index 1ca5824..274a843 100644
--- a/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp
+++ b/automotive/vehicle/2.0/default/tests/VehicleHalManager_test.cpp
@@ -103,13 +103,13 @@
         return StatusCode::OK;
     }
 
-    StatusCode subscribe(int32_t property,
-                         int32_t areas,
-                         float sampleRate) override {
+    StatusCode subscribe(int32_t /* property */,
+                         int32_t /* areas */,
+                         float /* sampleRate */) override {
         return StatusCode::OK;
     }
 
-    StatusCode unsubscribe(int32_t property) override {
+    StatusCode unsubscribe(int32_t /* property */) override {
         return StatusCode::OK;
     }
 
@@ -323,20 +323,20 @@
     ASSERT_EQ(StatusCode::OK, actualStatusCode);
     ASSERT_EQ(toInt(VehicleProperty::VEHICLE_MAP_SERVICE), actualValue.prop);
 
-    ASSERT_EQ(3, actualValue.value.bytes.size());
+    ASSERT_EQ(3u, actualValue.value.bytes.size());
     ASSERT_EQ(1, actualValue.value.bytes[0]);
     ASSERT_EQ(2, actualValue.value.bytes[1]);
     ASSERT_EQ(3, actualValue.value.bytes[2]);
 
-    ASSERT_EQ(2, actualValue.value.int32Values.size());
+    ASSERT_EQ(2u, actualValue.value.int32Values.size());
     ASSERT_EQ(10, actualValue.value.int32Values[0]);
     ASSERT_EQ(20, actualValue.value.int32Values[1]);
 
-    ASSERT_EQ(2, actualValue.value.floatValues.size());
+    ASSERT_EQ(2u, actualValue.value.floatValues.size());
     ASSERT_FLOAT_EQ(1.1, actualValue.value.floatValues[0]);
     ASSERT_FLOAT_EQ(2.2, actualValue.value.floatValues[1]);
 
-    ASSERT_EQ(2, actualValue.value.int64Values.size());
+    ASSERT_EQ(2u, actualValue.value.int64Values.size());
     ASSERT_FLOAT_EQ(30, actualValue.value.int64Values[0]);
     ASSERT_FLOAT_EQ(40, actualValue.value.int64Values[1]);
 
diff --git a/automotive/vehicle/2.0/default/tests/VehicleHalTestUtils.h b/automotive/vehicle/2.0/default/tests/VehicleHalTestUtils.h
index a512fcf..8ba36d8 100644
--- a/automotive/vehicle/2.0/default/tests/VehicleHalTestUtils.h
+++ b/automotive/vehicle/2.0/default/tests/VehicleHalTestUtils.h
@@ -131,12 +131,12 @@
         mEventCond.notify_one();
         return Return<void>();
     }
-    Return<void> onPropertySet(const VehiclePropValue& value) override {
+    Return<void> onPropertySet(const VehiclePropValue& /* value */) override {
         return Return<void>();
     }
-    Return<void> onPropertySetError(StatusCode errorCode,
-                                    int32_t propId,
-                                    int32_t areaId) override {
+    Return<void> onPropertySetError(StatusCode /* errorCode */,
+                                    int32_t /* propId */,
+                                    int32_t /* areaId */) override {
         return Return<void>();
     }
 
diff --git a/automotive/vehicle/2.0/default/tests/VehicleObjectPool_test.cpp b/automotive/vehicle/2.0/default/tests/VehicleObjectPool_test.cpp
index 0d57284..7d37355 100644
--- a/automotive/vehicle/2.0/default/tests/VehicleObjectPool_test.cpp
+++ b/automotive/vehicle/2.0/default/tests/VehicleObjectPool_test.cpp
@@ -85,9 +85,9 @@
     // In this test we have T threads that concurrently in C cycles
     // obtain and release O VehiclePropValue objects of FLOAT / INT32 types.
 
-    const auto T = 2;
-    const auto C  = 500;
-    const auto O = 100;
+    const int T = 2;
+    const int C = 500;
+    const int O = 100;
 
     auto poolPtr = valuePool.get();
 
@@ -112,10 +112,10 @@
     }
     auto finish = elapsedRealtimeNano();
 
-    ASSERT_EQ(T * C * O, stats->Obtained);
-    ASSERT_EQ(T * C * O, stats->Recycled);
+    ASSERT_EQ(static_cast<uint32_t>(T * C * O), stats->Obtained);
+    ASSERT_EQ(static_cast<uint32_t>(T * C * O), stats->Recycled);
     // Created less than obtained.
-    ASSERT_GE(T * O, stats->Created);
+    ASSERT_GE(static_cast<uint32_t>(T * O), stats->Created);
 
     auto elapsedMs = (finish - start) / 1000000;
     ASSERT_GE(1000, elapsedMs);  // Less a second to access 100K objects.
diff --git a/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.cpp b/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.cpp
index 3a252af..761e550 100644
--- a/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.cpp
+++ b/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.cpp
@@ -16,6 +16,7 @@
 
 #include "Obd2SensorStore.h"
 
+#include <utils/SystemClock.h>
 #include <vehicle_hal_manager/VehicleUtils.h>
 
 namespace android {
@@ -98,6 +99,16 @@
     return mSensorsBitmask.getBitmask();
 }
 
+void Obd2SensorStore::fillPropValue(VehiclePropValue *propValue,
+                                    std::string dtc) const {
+    propValue->timestamp = elapsedRealtimeNano();
+    propValue->value.int32Values = getIntegerSensors();
+    propValue->value.floatValues = getFloatSensors();
+    propValue->value.bytes = getSensorsBitmask();
+    propValue->value.stringValue = dtc;
+}
+
+
 
 }  // namespace V2_0
 }  // namespace vehicle
diff --git a/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.h b/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.h
index cbe9893..3e2a08e 100644
--- a/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.h
+++ b/automotive/vehicle/2.0/default/vehicle_hal_manager/Obd2SensorStore.h
@@ -54,6 +54,10 @@
     // Returns a vector that contains a bitmask for all stored sensors.
     const std::vector<uint8_t>& getSensorsBitmask() const;
 
+    // Given a stringValue, fill in a VehiclePropValue
+    void fillPropValue(VehiclePropValue *propValue,
+            std::string dtc) const;
+
 private:
     class BitmaskInVector {
     public:
diff --git a/automotive/vehicle/2.0/default/vehicle_hal_manager/VehicleObjectPool.cpp b/automotive/vehicle/2.0/default/vehicle_hal_manager/VehicleObjectPool.cpp
index a79c55c..ac1245a 100644
--- a/automotive/vehicle/2.0/default/vehicle_hal_manager/VehicleObjectPool.cpp
+++ b/automotive/vehicle/2.0/default/vehicle_hal_manager/VehicleObjectPool.cpp
@@ -129,7 +129,7 @@
     if (!check(&o->value)) {
         ALOGE("Discarding value for prop 0x%x because it contains "
                   "data that is not consistent with this pool. "
-                  "Expected type: %d, vector size: %d",
+                  "Expected type: %d, vector size: %zu",
               o->prop, mPropType, mVectorSize);
         delete o;
     } else {
diff --git a/automotive/vehicle/2.0/types.hal b/automotive/vehicle/2.0/types.hal
index 05e10be..fa432f4 100644
--- a/automotive/vehicle/2.0/types.hal
+++ b/automotive/vehicle/2.0/types.hal
@@ -1829,6 +1829,10 @@
      *   configArray[1] : number of vendor-specific float-valued sensors
      *                    that can be returned in a frame.
      *
+     * A get of this property must take the following form:
+     *   int64Values[0]: timestamp of the freeze frame to retrieve.
+     *                   Valid timestamps are given by OBD2_DTC_INFO.
+     *
      * The values are to be interpreted as follows:
      * the indices defined in Obd2IntegerSensorIndex are to be used to
      * read from int32Values;
@@ -1860,8 +1864,49 @@
         | VehiclePropertyType:COMPLEX
         | VehicleArea:GLOBAL),
 
-};
+    /*
+     * OBD2 Freeze Frame Information
+     *
+     * This property describes the current freeze frames stored in vehicle
+     * memory and available for retrieval via OBD2_FREEZE_FRAME.
+     *
+     * The values are to be interpreted as follows:
+     * each element of int64Values is the timestamp at which a a fault code
+     * has been detected and the corresponding freeze frame stored, and each
+     * such element can be used as the key to OBD2_FREEZE_FRAME to retrieve
+     * the corresponding freeze frame.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:READ
+     */
+    OBD2_FREEZE_FRAME_INFO = (
+        0x0D02
+        | VehiclePropertyGroup:SYSTEM
+        | VehiclePropertyType:COMPLEX
+        | VehicleArea:GLOBAL),
 
+    /*
+     * OBD2 Freeze Frame Clear
+     *
+     * This property allows deletion of any of the freeze frames stored in
+     * vehicle memory, as described by OBD2_DTC_INFO.
+     *
+     * A set of this property is to be interpreted as follows:
+     * if int64Values contains no elements, then all DTCs stored will be cleared;
+     * if int64Values contains one or more elements, then DTCs at the timestamps
+     * stored in int64Values will be cleared, and the others not cleared, except
+     * the memory will be compacted so that all remaining DTCs are stored
+     * contiguously.
+     *
+     * @change_mode VehiclePropertyChangeMode:ON_CHANGE
+     * @access VehiclePropertyAccess:WRITE
+     */
+    OBD2_FREEZE_FRAME_CLEAR = (
+        0x0D03
+        | VehiclePropertyGroup:SYSTEM
+        | VehiclePropertyType:COMPLEX
+        | VehicleArea:GLOBAL),
+};
 /*
  * Bit flags for fan direction
  */
diff --git a/benchmarks/msgq/1.0/Android.bp b/benchmarks/msgq/1.0/Android.bp
index de84e81..7f8ea99 100644
--- a/benchmarks/msgq/1.0/Android.bp
+++ b/benchmarks/msgq/1.0/Android.bp
@@ -12,7 +12,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.benchmarks.msgq@1.0",
     srcs: [
-        "IBenchmarkMsgQ.hal",
+        ":android.hardware.benchmarks.msgq@1.0_hal",
     ],
     out: [
         "android/hardware/benchmarks/msgq/1.0/BenchmarkMsgQAll.cpp",
@@ -24,7 +24,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.benchmarks.msgq@1.0",
     srcs: [
-        "IBenchmarkMsgQ.hal",
+        ":android.hardware.benchmarks.msgq@1.0_hal",
     ],
     out: [
         "android/hardware/benchmarks/msgq/1.0/IBenchmarkMsgQ.h",
diff --git a/biometrics/fingerprint/2.1/Android.mk b/biometrics/fingerprint/2.1/Android.mk
index 22da268..567b38a 100644
--- a/biometrics/fingerprint/2.1/Android.mk
+++ b/biometrics/fingerprint/2.1/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.biometrics.fingerprint@2.1-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -239,7 +239,7 @@
 LOCAL_MODULE := android.hardware.biometrics.fingerprint@2.1-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/bluetooth/1.0/Android.bp b/bluetooth/1.0/Android.bp
index f2c394b..2373ceb 100644
--- a/bluetooth/1.0/Android.bp
+++ b/bluetooth/1.0/Android.bp
@@ -14,9 +14,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.bluetooth@1.0",
     srcs: [
-        "types.hal",
-        "IBluetoothHci.hal",
-        "IBluetoothHciCallbacks.hal",
+        ":android.hardware.bluetooth@1.0_hal",
     ],
     out: [
         "android/hardware/bluetooth/1.0/types.cpp",
@@ -30,9 +28,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.bluetooth@1.0",
     srcs: [
-        "types.hal",
-        "IBluetoothHci.hal",
-        "IBluetoothHciCallbacks.hal",
+        ":android.hardware.bluetooth@1.0_hal",
     ],
     out: [
         "android/hardware/bluetooth/1.0/types.h",
diff --git a/bluetooth/1.0/Android.mk b/bluetooth/1.0/Android.mk
index 7924cee..d824d5d 100644
--- a/bluetooth/1.0/Android.mk
+++ b/bluetooth/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.bluetooth@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -87,7 +87,7 @@
 LOCAL_MODULE := android.hardware.bluetooth@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/boot/1.0/Android.bp b/boot/1.0/Android.bp
index 9dcabc4..7265cc2 100644
--- a/boot/1.0/Android.bp
+++ b/boot/1.0/Android.bp
@@ -13,8 +13,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.boot@1.0",
     srcs: [
-        "types.hal",
-        "IBootControl.hal",
+        ":android.hardware.boot@1.0_hal",
     ],
     out: [
         "android/hardware/boot/1.0/types.cpp",
@@ -27,8 +26,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.boot@1.0",
     srcs: [
-        "types.hal",
-        "IBootControl.hal",
+        ":android.hardware.boot@1.0_hal",
     ],
     out: [
         "android/hardware/boot/1.0/types.h",
diff --git a/boot/1.0/Android.mk b/boot/1.0/Android.mk
index 6fa5e4b..b188acb 100644
--- a/boot/1.0/Android.mk
+++ b/boot/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.boot@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -83,7 +83,7 @@
 LOCAL_MODULE := android.hardware.boot@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/camera/common/1.0/Android.mk b/camera/common/1.0/Android.mk
index 2e68dc0..9e05172 100644
--- a/camera/common/1.0/Android.mk
+++ b/camera/common/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.camera.common@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -191,7 +191,7 @@
 LOCAL_MODULE := android.hardware.camera.common@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/camera/metadata/3.2/Android.mk b/camera/metadata/3.2/Android.mk
index 6604ccd..86cee91 100644
--- a/camera/metadata/3.2/Android.mk
+++ b/camera/metadata/3.2/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.camera.metadata@3.2-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -1236,7 +1236,7 @@
 LOCAL_MODULE := android.hardware.camera.metadata@3.2-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/configstore/1.0/Android.mk b/configstore/1.0/Android.mk
index fd2718e..010d509 100644
--- a/configstore/1.0/Android.mk
+++ b/configstore/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.configstore@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -159,7 +159,7 @@
 LOCAL_MODULE := android.hardware.configstore@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/contexthub/1.0/Android.mk b/contexthub/1.0/Android.mk
index c73c5c4..a053986 100644
--- a/contexthub/1.0/Android.mk
+++ b/contexthub/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.contexthub@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -334,7 +334,7 @@
 LOCAL_MODULE := android.hardware.contexthub@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/example/extension/light/2.0/Android.mk b/example/extension/light/2.0/Android.mk
index deb7a2a..0b79747 100644
--- a/example/extension/light/2.0/Android.mk
+++ b/example/extension/light/2.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.example.extension.light@2.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -103,7 +103,7 @@
 LOCAL_MODULE := android.hardware.example.extension.light@2.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/gatekeeper/1.0/Android.mk b/gatekeeper/1.0/Android.mk
index 5d66b45..70206ff 100644
--- a/gatekeeper/1.0/Android.mk
+++ b/gatekeeper/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.gatekeeper@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -83,7 +83,7 @@
 LOCAL_MODULE := android.hardware.gatekeeper@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/gnss/1.0/Android.mk b/gnss/1.0/Android.mk
index 98c547c..5985c87 100644
--- a/gnss/1.0/Android.mk
+++ b/gnss/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.gnss@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -530,7 +530,7 @@
 LOCAL_MODULE := android.hardware.gnss@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -1052,7 +1052,7 @@
 LOCAL_MODULE := android.hardware.gnss@1.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/graphics/common/1.0/Android.mk b/graphics/common/1.0/Android.mk
index 0fa6dcc..c08053d 100644
--- a/graphics/common/1.0/Android.mk
+++ b/graphics/common/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.graphics.common@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -134,7 +134,7 @@
 LOCAL_MODULE := android.hardware.graphics.common@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -260,7 +260,7 @@
 LOCAL_MODULE := android.hardware.graphics.common@1.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/health/1.0/Android.mk b/health/1.0/Android.mk
index f05d227..ebb89a7 100644
--- a/health/1.0/Android.mk
+++ b/health/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.health@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -140,7 +140,7 @@
 LOCAL_MODULE := android.hardware.health@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -272,7 +272,7 @@
 LOCAL_MODULE := android.hardware.health@1.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/ir/1.0/Android.bp b/ir/1.0/Android.bp
index 5628952..da49579 100644
--- a/ir/1.0/Android.bp
+++ b/ir/1.0/Android.bp
@@ -13,8 +13,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.ir@1.0",
     srcs: [
-        "types.hal",
-        "IConsumerIr.hal",
+        ":android.hardware.ir@1.0_hal",
     ],
     out: [
         "android/hardware/ir/1.0/types.cpp",
@@ -27,8 +26,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.ir@1.0",
     srcs: [
-        "types.hal",
-        "IConsumerIr.hal",
+        ":android.hardware.ir@1.0_hal",
     ],
     out: [
         "android/hardware/ir/1.0/types.h",
diff --git a/ir/1.0/Android.mk b/ir/1.0/Android.mk
index 660b32b..d43286c 100644
--- a/ir/1.0/Android.mk
+++ b/ir/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.ir@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -64,7 +64,7 @@
 LOCAL_MODULE := android.hardware.ir@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/light/2.0/Android.mk b/light/2.0/Android.mk
index ef19bad..7bb4293 100644
--- a/light/2.0/Android.mk
+++ b/light/2.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.light@2.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -140,7 +140,7 @@
 LOCAL_MODULE := android.hardware.light@2.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/memtrack/1.0/Android.mk b/memtrack/1.0/Android.mk
index eeb67f6..62bee97 100644
--- a/memtrack/1.0/Android.mk
+++ b/memtrack/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.memtrack@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -121,7 +121,7 @@
 LOCAL_MODULE := android.hardware.memtrack@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/nfc/1.0/Android.bp b/nfc/1.0/Android.bp
index 7f228a7..e7305b4 100644
--- a/nfc/1.0/Android.bp
+++ b/nfc/1.0/Android.bp
@@ -14,9 +14,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.nfc@1.0",
     srcs: [
-        "types.hal",
-        "INfc.hal",
-        "INfcClientCallback.hal",
+        ":android.hardware.nfc@1.0_hal",
     ],
     out: [
         "android/hardware/nfc/1.0/types.cpp",
@@ -30,9 +28,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.nfc@1.0",
     srcs: [
-        "types.hal",
-        "INfc.hal",
-        "INfcClientCallback.hal",
+        ":android.hardware.nfc@1.0_hal",
     ],
     out: [
         "android/hardware/nfc/1.0/types.h",
diff --git a/nfc/1.0/Android.mk b/nfc/1.0/Android.mk
index 823bde5..6f09764 100644
--- a/nfc/1.0/Android.mk
+++ b/nfc/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.nfc@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -106,7 +106,7 @@
 LOCAL_MODULE := android.hardware.nfc@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -204,7 +204,7 @@
 LOCAL_MODULE := android.hardware.nfc@1.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/power/1.0/Android.mk b/power/1.0/Android.mk
index 4e11867..98d95a8 100644
--- a/power/1.0/Android.mk
+++ b/power/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.power@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -140,7 +140,7 @@
 LOCAL_MODULE := android.hardware.power@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/radio/1.0/Android.bp b/radio/1.0/Android.bp
index d9df910..f59cf66 100644
--- a/radio/1.0/Android.bp
+++ b/radio/1.0/Android.bp
@@ -17,12 +17,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.radio@1.0",
     srcs: [
-        "types.hal",
-        "IRadio.hal",
-        "IRadioIndication.hal",
-        "IRadioResponse.hal",
-        "ISap.hal",
-        "ISapCallback.hal",
+        ":android.hardware.radio@1.0_hal",
     ],
     out: [
         "android/hardware/radio/1.0/types.cpp",
@@ -39,12 +34,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.radio@1.0",
     srcs: [
-        "types.hal",
-        "IRadio.hal",
-        "IRadioIndication.hal",
-        "IRadioResponse.hal",
-        "ISap.hal",
-        "ISapCallback.hal",
+        ":android.hardware.radio@1.0_hal",
     ],
     out: [
         "android/hardware/radio/1.0/types.h",
diff --git a/radio/1.0/Android.mk b/radio/1.0/Android.mk
index 704ea08..9e9588a 100644
--- a/radio/1.0/Android.mk
+++ b/radio/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.radio@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -74,6 +74,25 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (ApnTypes)
+#
+GEN := $(intermediates)/android/hardware/radio/V1_0/ApnTypes.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.radio@1.0::types.ApnTypes
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (AppState)
 #
 GEN := $(intermediates)/android/hardware/radio/V1_0/AppState.java
@@ -3023,7 +3042,7 @@
 LOCAL_MODULE := android.hardware.radio@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -3089,6 +3108,25 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (ApnTypes)
+#
+GEN := $(intermediates)/android/hardware/radio/V1_0/ApnTypes.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava \
+        -randroid.hardware:hardware/interfaces \
+        -randroid.hidl:system/libhidl/transport \
+        android.hardware.radio@1.0::types.ApnTypes
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build types.hal (AppState)
 #
 GEN := $(intermediates)/android/hardware/radio/V1_0/AppState.java
diff --git a/radio/1.0/IRadioResponse.hal b/radio/1.0/IRadioResponse.hal
index 538c06d..dafd264 100644
--- a/radio/1.0/IRadioResponse.hal
+++ b/radio/1.0/IRadioResponse.hal
@@ -1562,6 +1562,16 @@
 
     /*
      * @param info Response info struct containing response type, serial no. and error
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:GENERIC_FAILURE
+     */
+    oneway reportStkServiceIsRunningResponse(RadioResponseInfo info);
+
+    /*
+     * @param info Response info struct containing response type, serial no. and error
      * @param source CDMA subscription source
      *
      * Valid errors returned:
diff --git a/sensors/1.0/Android.mk b/sensors/1.0/Android.mk
index 5784916..29f7c7e 100644
--- a/sensors/1.0/Android.mk
+++ b/sensors/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.sensors@1.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/tests/bar/1.0/Android.bp b/tests/bar/1.0/Android.bp
index 924b3ab..694804c 100644
--- a/tests/bar/1.0/Android.bp
+++ b/tests/bar/1.0/Android.bp
@@ -17,12 +17,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.bar@1.0",
     srcs: [
-        "types.hal",
-        "IBar.hal",
-        "IComplicated.hal",
-        "IFooCallback.hal",
-        "IImportRules.hal",
-        "IImportTypes.hal",
+        ":android.hardware.tests.bar@1.0_hal",
     ],
     out: [
         "android/hardware/tests/bar/1.0/types.cpp",
@@ -39,12 +34,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.bar@1.0",
     srcs: [
-        "types.hal",
-        "IBar.hal",
-        "IComplicated.hal",
-        "IFooCallback.hal",
-        "IImportRules.hal",
-        "IImportTypes.hal",
+        ":android.hardware.tests.bar@1.0_hal",
     ],
     out: [
         "android/hardware/tests/bar/1.0/types.h",
diff --git a/tests/baz/1.0/Android.bp b/tests/baz/1.0/Android.bp
index 1cf71b6..7939444 100644
--- a/tests/baz/1.0/Android.bp
+++ b/tests/baz/1.0/Android.bp
@@ -15,10 +15,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.baz@1.0",
     srcs: [
-        "types.hal",
-        "IBase.hal",
-        "IBaz.hal",
-        "IBazCallback.hal",
+        ":android.hardware.tests.baz@1.0_hal",
     ],
     out: [
         "android/hardware/tests/baz/1.0/types.cpp",
@@ -33,10 +30,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.baz@1.0",
     srcs: [
-        "types.hal",
-        "IBase.hal",
-        "IBaz.hal",
-        "IBazCallback.hal",
+        ":android.hardware.tests.baz@1.0_hal",
     ],
     out: [
         "android/hardware/tests/baz/1.0/types.h",
diff --git a/tests/baz/1.0/Android.mk b/tests/baz/1.0/Android.mk
index 82ba3cb..40026ec 100644
--- a/tests/baz/1.0/Android.mk
+++ b/tests/baz/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.tests.baz@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -85,7 +85,7 @@
 LOCAL_MODULE := android.hardware.tests.baz@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/tests/expression/1.0/Android.bp b/tests/expression/1.0/Android.bp
index 1730aba..5279503 100644
--- a/tests/expression/1.0/Android.bp
+++ b/tests/expression/1.0/Android.bp
@@ -13,8 +13,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.expression@1.0",
     srcs: [
-        "IExpression.hal",
-        "IExpressionExt.hal",
+        ":android.hardware.tests.expression@1.0_hal",
     ],
     out: [
         "android/hardware/tests/expression/1.0/ExpressionAll.cpp",
@@ -27,8 +26,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.expression@1.0",
     srcs: [
-        "IExpression.hal",
-        "IExpressionExt.hal",
+        ":android.hardware.tests.expression@1.0_hal",
     ],
     out: [
         "android/hardware/tests/expression/1.0/IExpression.h",
diff --git a/tests/expression/1.0/Android.mk b/tests/expression/1.0/Android.mk
index 1c7da4b..6bc9390 100644
--- a/tests/expression/1.0/Android.mk
+++ b/tests/expression/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.tests.expression@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -64,7 +64,7 @@
 LOCAL_MODULE := android.hardware.tests.expression@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/tests/foo/1.0/Android.bp b/tests/foo/1.0/Android.bp
index c65d3cf..9572855 100644
--- a/tests/foo/1.0/Android.bp
+++ b/tests/foo/1.0/Android.bp
@@ -17,12 +17,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.foo@1.0",
     srcs: [
-        "types.hal",
-        "IFoo.hal",
-        "IFooCallback.hal",
-        "IMyTypes.hal",
-        "ISimple.hal",
-        "ITheirTypes.hal",
+        ":android.hardware.tests.foo@1.0_hal",
     ],
     out: [
         "android/hardware/tests/foo/1.0/types.cpp",
@@ -39,12 +34,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.foo@1.0",
     srcs: [
-        "types.hal",
-        "IFoo.hal",
-        "IFooCallback.hal",
-        "IMyTypes.hal",
-        "ISimple.hal",
-        "ITheirTypes.hal",
+        ":android.hardware.tests.foo@1.0_hal",
     ],
     out: [
         "android/hardware/tests/foo/1.0/types.h",
diff --git a/tests/inheritance/1.0/Android.bp b/tests/inheritance/1.0/Android.bp
index 433e9ac..f50aee4 100644
--- a/tests/inheritance/1.0/Android.bp
+++ b/tests/inheritance/1.0/Android.bp
@@ -15,10 +15,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.inheritance@1.0",
     srcs: [
-        "IChild.hal",
-        "IFetcher.hal",
-        "IGrandparent.hal",
-        "IParent.hal",
+        ":android.hardware.tests.inheritance@1.0_hal",
     ],
     out: [
         "android/hardware/tests/inheritance/1.0/ChildAll.cpp",
@@ -33,10 +30,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.inheritance@1.0",
     srcs: [
-        "IChild.hal",
-        "IFetcher.hal",
-        "IGrandparent.hal",
-        "IParent.hal",
+        ":android.hardware.tests.inheritance@1.0_hal",
     ],
     out: [
         "android/hardware/tests/inheritance/1.0/IChild.h",
diff --git a/tests/inheritance/1.0/Android.mk b/tests/inheritance/1.0/Android.mk
index 8c1b1c8..21aac00 100644
--- a/tests/inheritance/1.0/Android.mk
+++ b/tests/inheritance/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.tests.inheritance@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -110,7 +110,7 @@
 LOCAL_MODULE := android.hardware.tests.inheritance@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/tests/libhwbinder/1.0/Android.bp b/tests/libhwbinder/1.0/Android.bp
index 1d0b4b5..580e961 100644
--- a/tests/libhwbinder/1.0/Android.bp
+++ b/tests/libhwbinder/1.0/Android.bp
@@ -12,7 +12,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.libhwbinder@1.0",
     srcs: [
-        "IBenchmark.hal",
+        ":android.hardware.tests.libhwbinder@1.0_hal",
     ],
     out: [
         "android/hardware/tests/libhwbinder/1.0/BenchmarkAll.cpp",
@@ -24,7 +24,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.libhwbinder@1.0",
     srcs: [
-        "IBenchmark.hal",
+        ":android.hardware.tests.libhwbinder@1.0_hal",
     ],
     out: [
         "android/hardware/tests/libhwbinder/1.0/IBenchmark.h",
diff --git a/tests/libhwbinder/1.0/Android.mk b/tests/libhwbinder/1.0/Android.mk
index ae873af..2ee26d6 100644
--- a/tests/libhwbinder/1.0/Android.mk
+++ b/tests/libhwbinder/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.tests.libhwbinder@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -43,7 +43,7 @@
 LOCAL_MODULE := android.hardware.tests.libhwbinder@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/tests/memory/1.0/Android.bp b/tests/memory/1.0/Android.bp
index 3f27810..49faf41 100644
--- a/tests/memory/1.0/Android.bp
+++ b/tests/memory/1.0/Android.bp
@@ -12,7 +12,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.memory@1.0",
     srcs: [
-        "IMemoryTest.hal",
+        ":android.hardware.tests.memory@1.0_hal",
     ],
     out: [
         "android/hardware/tests/memory/1.0/MemoryTestAll.cpp",
@@ -24,7 +24,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.memory@1.0",
     srcs: [
-        "IMemoryTest.hal",
+        ":android.hardware.tests.memory@1.0_hal",
     ],
     out: [
         "android/hardware/tests/memory/1.0/IMemoryTest.h",
diff --git a/tests/msgq/1.0/Android.bp b/tests/msgq/1.0/Android.bp
index 39fef89..d17efe4 100644
--- a/tests/msgq/1.0/Android.bp
+++ b/tests/msgq/1.0/Android.bp
@@ -12,7 +12,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.msgq@1.0",
     srcs: [
-        "ITestMsgQ.hal",
+        ":android.hardware.tests.msgq@1.0_hal",
     ],
     out: [
         "android/hardware/tests/msgq/1.0/TestMsgQAll.cpp",
@@ -24,7 +24,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.msgq@1.0",
     srcs: [
-        "ITestMsgQ.hal",
+        ":android.hardware.tests.msgq@1.0_hal",
     ],
     out: [
         "android/hardware/tests/msgq/1.0/ITestMsgQ.h",
diff --git a/tests/pointer/1.0/Android.bp b/tests/pointer/1.0/Android.bp
index e40003d..7f66e2a 100644
--- a/tests/pointer/1.0/Android.bp
+++ b/tests/pointer/1.0/Android.bp
@@ -13,8 +13,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.pointer@1.0",
     srcs: [
-        "IGraph.hal",
-        "IPointer.hal",
+        ":android.hardware.tests.pointer@1.0_hal",
     ],
     out: [
         "android/hardware/tests/pointer/1.0/GraphAll.cpp",
@@ -27,8 +26,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.tests.pointer@1.0",
     srcs: [
-        "IGraph.hal",
-        "IPointer.hal",
+        ":android.hardware.tests.pointer@1.0_hal",
     ],
     out: [
         "android/hardware/tests/pointer/1.0/IGraph.h",
diff --git a/thermal/1.0/Android.mk b/thermal/1.0/Android.mk
index b88bb81..7748b9e 100644
--- a/thermal/1.0/Android.mk
+++ b/thermal/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.thermal@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -178,7 +178,7 @@
 LOCAL_MODULE := android.hardware.thermal@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -348,7 +348,7 @@
 LOCAL_MODULE := android.hardware.thermal@1.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/tv/cec/1.0/Android.mk b/tv/cec/1.0/Android.mk
index efa71a1..b08099e 100644
--- a/tv/cec/1.0/Android.mk
+++ b/tv/cec/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.tv.cec@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -296,7 +296,7 @@
 LOCAL_MODULE := android.hardware.tv.cec@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/usb/1.0/Android.mk b/usb/1.0/Android.mk
index 0eded5b..7be7147 100644
--- a/usb/1.0/Android.mk
+++ b/usb/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.usb@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -201,7 +201,7 @@
 LOCAL_MODULE := android.hardware.usb@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -394,7 +394,7 @@
 LOCAL_MODULE := android.hardware.usb@1.0-java-constants
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 #
diff --git a/vibrator/1.0/Android.mk b/vibrator/1.0/Android.mk
index 1437d44..4e1ba6a 100644
--- a/vibrator/1.0/Android.mk
+++ b/vibrator/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.vibrator@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -64,7 +64,7 @@
 LOCAL_MODULE := android.hardware.vibrator@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/vr/1.0/Android.mk b/vr/1.0/Android.mk
index 1b8e8c7..0fbdaf7 100644
--- a/vr/1.0/Android.mk
+++ b/vr/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.vr@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -43,7 +43,7 @@
 LOCAL_MODULE := android.hardware.vr@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
diff --git a/wifi/1.0/Android.bp b/wifi/1.0/Android.bp
index 59326d0..2319999 100644
--- a/wifi/1.0/Android.bp
+++ b/wifi/1.0/Android.bp
@@ -25,20 +25,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi@1.0",
     srcs: [
-        "types.hal",
-        "IWifi.hal",
-        "IWifiApIface.hal",
-        "IWifiChip.hal",
-        "IWifiChipEventCallback.hal",
-        "IWifiEventCallback.hal",
-        "IWifiIface.hal",
-        "IWifiNanIface.hal",
-        "IWifiNanIfaceEventCallback.hal",
-        "IWifiP2pIface.hal",
-        "IWifiRttController.hal",
-        "IWifiRttControllerEventCallback.hal",
-        "IWifiStaIface.hal",
-        "IWifiStaIfaceEventCallback.hal",
+        ":android.hardware.wifi@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/1.0/types.cpp",
@@ -63,20 +50,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi@1.0",
     srcs: [
-        "types.hal",
-        "IWifi.hal",
-        "IWifiApIface.hal",
-        "IWifiChip.hal",
-        "IWifiChipEventCallback.hal",
-        "IWifiEventCallback.hal",
-        "IWifiIface.hal",
-        "IWifiNanIface.hal",
-        "IWifiNanIfaceEventCallback.hal",
-        "IWifiP2pIface.hal",
-        "IWifiRttController.hal",
-        "IWifiRttControllerEventCallback.hal",
-        "IWifiStaIface.hal",
-        "IWifiStaIfaceEventCallback.hal",
+        ":android.hardware.wifi@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/1.0/types.h",
diff --git a/wifi/1.0/Android.mk b/wifi/1.0/Android.mk
index 708c14c..4476b14 100644
--- a/wifi/1.0/Android.mk
+++ b/wifi/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.wifi@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -74,44 +74,6 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
-# Build types.hal (NanBeaconSdfPayloadInd)
-#
-GEN := $(intermediates)/android/hardware/wifi/V1_0/NanBeaconSdfPayloadInd.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.wifi@1.0::types.NanBeaconSdfPayloadInd
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (NanBeaconSdfPayloadRequest)
-#
-GEN := $(intermediates)/android/hardware/wifi/V1_0/NanBeaconSdfPayloadRequest.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.wifi@1.0::types.NanBeaconSdfPayloadRequest
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
 # Build types.hal (NanCapabilities)
 #
 GEN := $(intermediates)/android/hardware/wifi/V1_0/NanCapabilities.java
@@ -587,25 +549,6 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
-# Build types.hal (NanVsaRxFrameMask)
-#
-GEN := $(intermediates)/android/hardware/wifi/V1_0/NanVsaRxFrameMask.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.wifi@1.0::types.NanVsaRxFrameMask
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
 # Build types.hal (RttBw)
 #
 GEN := $(intermediates)/android/hardware/wifi/V1_0/RttBw.java
@@ -1868,7 +1811,7 @@
 LOCAL_MODULE := android.hardware.wifi@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -1934,44 +1877,6 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
-# Build types.hal (NanBeaconSdfPayloadInd)
-#
-GEN := $(intermediates)/android/hardware/wifi/V1_0/NanBeaconSdfPayloadInd.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.wifi@1.0::types.NanBeaconSdfPayloadInd
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
-# Build types.hal (NanBeaconSdfPayloadRequest)
-#
-GEN := $(intermediates)/android/hardware/wifi/V1_0/NanBeaconSdfPayloadRequest.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.wifi@1.0::types.NanBeaconSdfPayloadRequest
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
 # Build types.hal (NanCapabilities)
 #
 GEN := $(intermediates)/android/hardware/wifi/V1_0/NanCapabilities.java
@@ -2447,25 +2352,6 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
-# Build types.hal (NanVsaRxFrameMask)
-#
-GEN := $(intermediates)/android/hardware/wifi/V1_0/NanVsaRxFrameMask.java
-$(GEN): $(HIDL)
-$(GEN): PRIVATE_HIDL := $(HIDL)
-$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/types.hal
-$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
-$(GEN): PRIVATE_CUSTOM_TOOL = \
-        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
-        -Ljava \
-        -randroid.hardware:hardware/interfaces \
-        -randroid.hidl:system/libhidl/transport \
-        android.hardware.wifi@1.0::types.NanVsaRxFrameMask
-
-$(GEN): $(LOCAL_PATH)/types.hal
-	$(transform-generated-source)
-LOCAL_GENERATED_SOURCES += $(GEN)
-
-#
 # Build types.hal (RttBw)
 #
 GEN := $(intermediates)/android/hardware/wifi/V1_0/RttBw.java
diff --git a/wifi/1.0/IWifiNanIface.hal b/wifi/1.0/IWifiNanIface.hal
index 3362339..450fba0 100644
--- a/wifi/1.0/IWifiNanIface.hal
+++ b/wifi/1.0/IWifiNanIface.hal
@@ -122,7 +122,7 @@
    *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
    *         |WifiStatusCode.ERROR_UNKNOWN|
    */
-  stopPublishRequest(CommandIdShort cmdId, uint16_t sessionId)
+  stopPublishRequest(CommandIdShort cmdId, uint8_t sessionId)
       generates (WifiStatus status);
 
   /**
@@ -151,7 +151,7 @@
    *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
    *         |WifiStatusCode.ERROR_UNKNOWN|
    */
-  stopSubscribeRequest(CommandIdShort cmdId, uint16_t sessionId)
+  stopSubscribeRequest(CommandIdShort cmdId, uint8_t sessionId)
       generates (WifiStatus status);
 
   /**
@@ -240,19 +240,4 @@
    */
   terminateDataPathRequest(CommandIdShort cmdId, uint32_t ndpInstanceId)
       generates (WifiStatus status);
-
-  /**
-   * Configure NAN Beacon or SDF payload to include vendor-specific payload.
-   *
-   * @param cmdId command Id to use for this invocation.
-   * @param msg Instance of |NanBeaconSdfPayloadRequest|.
-   * @return status WifiStatus of the operation.
-   *         Possible status codes:
-   *         |WifiStatusCode.SUCCESS|,
-   *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
-   *         |WifiStatusCode.ERROR_INVALID_ARGS|,
-   *         |WifiStatusCode.ERROR_UNKNOWN|
-   */
-  beaconSdfPayloadRequest(CommandIdShort cmdId, NanBeaconSdfPayloadRequest msg)
-      generates (WifiStatus status);
 };
diff --git a/wifi/1.0/IWifiNanIfaceEventCallback.hal b/wifi/1.0/IWifiNanIfaceEventCallback.hal
index cb4b043..c9fea8f 100644
--- a/wifi/1.0/IWifiNanIfaceEventCallback.hal
+++ b/wifi/1.0/IWifiNanIfaceEventCallback.hal
@@ -79,7 +79,7 @@
    *        |NanStatusType.INVALID_SESSION_ID|
    * @param sessionId ID of the new publish session (if successfully created).
    */
-  oneway notifyStartPublishResponse(CommandIdShort id, WifiNanStatus status, uint16_t sessionId);
+  oneway notifyStartPublishResponse(CommandIdShort id, WifiNanStatus status, uint8_t sessionId);
 
   /**
    * Callback invoked in response to a stop publish request |stopPublishRequest|.
@@ -104,7 +104,7 @@
    *        |NanStatusType.INVALID_SESSION_ID|
    * @param sessionId ID of the new subscribe session (if successfully created).
    */
-  oneway notifyStartSubscribeResponse(CommandIdShort id, WifiNanStatus status, uint16_t sessionId);
+  oneway notifyStartSubscribeResponse(CommandIdShort id, WifiNanStatus status, uint8_t sessionId);
 
   /**
    * Callback invoked in response to a stop subscribe request |stopSubscribeRequest|.
@@ -195,18 +195,6 @@
   oneway notifyTerminateDataPathResponse(CommandIdShort id, WifiNanStatus status);
 
   /**
-   * Callback invoked in response to a request to include vendor-specific payload in beacon or SDF
-   * frames |beaconSdfPayloadRequest|.
-   *
-   * @param cmdId command Id corresponding to the original request.
-   * @param status WifiNanStatus of the operation. Possible status codes are:
-   *        |NanStatusType.SUCCESS|
-   *        |NanStatusType.INVALID_ARGS|
-   *        |NanStatusType.INTERNAL_FAILURE|
-   */
-  oneway notifyBeaconSdfPayloadResponse(CommandIdShort id, WifiNanStatus status);
-
-  /**
    * Callbacks for the various asynchornous NAN Events.
    */
 
@@ -235,7 +223,7 @@
    *                Possible status codes are:
    *                |NanStatusType.SUCCESS|
    */
-  oneway eventPublishTerminated(uint16_t sessionId, WifiNanStatus status);
+  oneway eventPublishTerminated(uint8_t sessionId, WifiNanStatus status);
 
   /**
    * Asynchronous callback indicating that an active subscribe session has terminated.
@@ -245,7 +233,7 @@
    *                 Possible status codes are:
    *                |NanStatusType.SUCCESS|
    */
-  oneway eventSubscribeTerminated(uint16_t sessionId, WifiNanStatus status);
+  oneway eventSubscribeTerminated(uint8_t sessionId, WifiNanStatus status);
 
   /**
    * Asynchronous callback indicating that a match has occurred: i.e. a service has been
@@ -261,7 +249,7 @@
    * @param discoverySessionId: The discovery session ID of the expired match.
    * @param peerId: The peer ID of the expired match.
    */
-  oneway eventMatchExpired(uint16_t discoverySessionId, uint32_t peerId);
+  oneway eventMatchExpired(uint8_t discoverySessionId, uint32_t peerId);
 
   /**
    * Asynchronous callback indicating that a followup message has been received from a peer.
@@ -303,11 +291,4 @@
    * @param ndpInstanceId: data-path ID of the terminated data-path.
    */
   oneway eventDataPathTerminated(uint32_t ndpInstanceId);
-
-  /**
-   * Asynchronous callback indicating vendor-specific payload received in NAN beacon or SDF frame.
-   *
-   * @param event: NanBeaconSdfPayloadInd containing event details.
-   */
-  oneway eventBeaconSdfPayload(NanBeaconSdfPayloadInd event);
 };
diff --git a/wifi/1.0/default/hidl_struct_util.cpp b/wifi/1.0/default/hidl_struct_util.cpp
index 7464b81..691f913 100644
--- a/wifi/1.0/default/hidl_struct_util.cpp
+++ b/wifi/1.0/default/hidl_struct_util.cpp
@@ -1177,30 +1177,6 @@
   return true;
 }
 
-bool convertHidlNanBeaconSdfPayloadRequestToLegacy(
-    const NanBeaconSdfPayloadRequest& hidl_request,
-    legacy_hal::NanBeaconSdfPayloadRequest* legacy_request) {
-  if (!legacy_request) {
-    LOG(ERROR) << "convertHidlNanBeaconSdfPayloadRequestToLegacy: legacy_request is null";
-    return false;
-  }
-  memset(legacy_request, 0, sizeof(legacy_hal::NanBeaconSdfPayloadRequest));
-
-  legacy_request->vsa.payload_transmit_flag = hidl_request.transmitInNext16dws ? 1 : 0;
-  legacy_request->vsa.tx_in_discovery_beacon = hidl_request.transmitInDiscoveryBeacon;
-  legacy_request->vsa.tx_in_sync_beacon = hidl_request.transmitInSyncBeacon;
-  legacy_request->vsa.tx_in_service_discovery = hidl_request.transmitInServiceDiscoveryFrame;
-  legacy_request->vsa.vendor_oui = hidl_request.vendorOui;
-  legacy_request->vsa.vsa_len = hidl_request.vsa.size();
-  if (legacy_request->vsa.vsa_len > NAN_MAX_VSA_DATA_LEN) {
-    LOG(ERROR) << "convertHidlNanBeaconSdfPayloadRequestToLegacy: vsa_len too long";
-    return false;
-  }
-  memcpy(legacy_request->vsa.vsa, hidl_request.vsa.data(), legacy_request->vsa.vsa_len);
-
-  return true;
-}
-
 bool convertHidlNanDataPathInitiatorRequestToLegacy(
     const NanInitiateDataPathRequest& hidl_request,
     legacy_hal::NanDataPathInitiatorRequest* legacy_request) {
@@ -1352,26 +1328,6 @@
   return true;
 }
 
-bool convertLegacyNanBeaconSdfPayloadIndToHidl(
-    const legacy_hal::NanBeaconSdfPayloadInd& legacy_ind,
-    NanBeaconSdfPayloadInd* hidl_ind) {
-  if (!hidl_ind) {
-    LOG(ERROR) << "convertLegacyNanBeaconSdfPayloadIndToHidl: hidl_ind is null";
-    return false;
-  }
-  hidl_ind->addr = hidl_array<uint8_t, 6>(legacy_ind.addr);
-  hidl_ind->isVsaReceived = legacy_ind.is_vsa_received == 1;
-  hidl_ind->vsaReceivedOnFrames = legacy_ind.vsa.vsa_received_on;
-  hidl_ind->vsaVendorOui = legacy_ind.vsa.vendor_oui;
-  hidl_ind->vsa = std::vector<uint8_t>(legacy_ind.vsa.vsa,
-        legacy_ind.vsa.vsa + legacy_ind.vsa.attr_len);
-  hidl_ind->isBeaconSdfPayloadReceived = legacy_ind.is_beacon_sdf_payload_received == 1;
-  hidl_ind->beaconSdfPayloadData = std::vector<uint8_t>(legacy_ind.data.frame_data,
-        legacy_ind.data.frame_data + legacy_ind.data.frame_len);
-
-  return true;
-}
-
 bool convertLegacyNanDataPathRequestIndToHidl(
     const legacy_hal::NanDataPathRequestInd& legacy_ind,
     NanDataPathRequestInd* hidl_ind) {
diff --git a/wifi/1.0/default/hidl_struct_util.h b/wifi/1.0/default/hidl_struct_util.h
index 14bc77d..490dcae 100644
--- a/wifi/1.0/default/hidl_struct_util.h
+++ b/wifi/1.0/default/hidl_struct_util.h
@@ -110,9 +110,6 @@
 bool convertHidlNanTransmitFollowupRequestToLegacy(
     const NanTransmitFollowupRequest& hidl_request,
     legacy_hal::NanTransmitFollowupRequest* legacy_request);
-bool convertHidlNanBeaconSdfPayloadRequestToLegacy(
-    const NanBeaconSdfPayloadRequest& hidl_request,
-    legacy_hal::NanBeaconSdfPayloadRequest* legacy_request);
 bool convertHidlNanDataPathInitiatorRequestToLegacy(
     const NanInitiateDataPathRequest& hidl_request,
     legacy_hal::NanDataPathInitiatorRequest* legacy_request);
@@ -135,9 +132,6 @@
 bool convertLegacyNanDataPathConfirmIndToHidl(
     const legacy_hal::NanDataPathConfirmInd& legacy_ind,
     NanDataPathConfirmInd* hidl_ind);
-bool convertLegacyNanBeaconSdfPayloadIndToHidl(
-    const legacy_hal::NanBeaconSdfPayloadInd& legacy_ind,
-    NanBeaconSdfPayloadInd* hidl_ind);
 
 // RTT controller conversion methods.
 bool convertHidlVectorOfRttConfigToLegacy(
diff --git a/wifi/1.0/default/wifi_nan_iface.cpp b/wifi/1.0/default/wifi_nan_iface.cpp
index 333fac7..8d76f91 100644
--- a/wifi/1.0/default/wifi_nan_iface.cpp
+++ b/wifi/1.0/default/wifi_nan_iface.cpp
@@ -120,14 +120,6 @@
         }
         break;
      }
-    case legacy_hal::NAN_RESPONSE_BEACON_SDF_PAYLOAD: {
-        for (const auto& callback : shared_ptr_this->event_callbacks_) {
-          if (!callback->notifyBeaconSdfPayloadResponse(id, wifiNanStatus).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-          }
-        }
-        break;
-     }
     case legacy_hal::NAN_GET_CAPABILITIES: {
         NanCapabilities hidl_struct;
         if (!hidl_struct_util::convertLegacyNanCapabilitiesResponseToHidl(
@@ -183,6 +175,8 @@
         }
         break;
     }
+    case legacy_hal::NAN_RESPONSE_BEACON_SDF_PAYLOAD:
+        /* fall through */
     case legacy_hal::NAN_RESPONSE_TCA:
         /* fall through */
     case legacy_hal::NAN_RESPONSE_STATS:
@@ -402,24 +396,8 @@
   };
 
   callback_handlers.on_event_beacon_sdf_payload = [weak_ptr_this](
-        const legacy_hal::NanBeaconSdfPayloadInd& msg) {
-      const auto shared_ptr_this = weak_ptr_this.promote();
-      if (!shared_ptr_this.get() || !shared_ptr_this->isValid()) {
-        LOG(ERROR) << "Callback invoked on an invalid object";
-        return;
-      }
-      NanBeaconSdfPayloadInd hidl_struct;
-      if (!hidl_struct_util::convertLegacyNanBeaconSdfPayloadIndToHidl(
-            msg, &hidl_struct)) {
-          LOG(ERROR) << "Failed to convert nan capabilities response";
-          return;
-      }
-
-      for (const auto& callback : shared_ptr_this->event_callbacks_) {
-        if (!callback->eventBeaconSdfPayload(hidl_struct).isOk()) {
-            LOG(ERROR) << "Failed to invoke the callback";
-        }
-      }
+        const legacy_hal::NanBeaconSdfPayloadInd& /* msg */) {
+      LOG(ERROR) << "on_event_beacon_sdf_payload - should not be called";
   };
 
   legacy_hal::wifi_error legacy_status =
@@ -517,7 +495,7 @@
 
 Return<void> WifiNanIface::stopPublishRequest(
     uint16_t cmd_id,
-    uint16_t sessionId,
+    uint8_t sessionId,
     stopPublishRequest_cb hidl_status_cb) {
   return validateAndCall(this,
                          WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
@@ -541,7 +519,7 @@
 
 Return<void> WifiNanIface::stopSubscribeRequest(
     uint16_t cmd_id,
-    uint16_t sessionId,
+    uint8_t sessionId,
     stopSubscribeRequest_cb hidl_status_cb) {
   return validateAndCall(this,
                          WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
@@ -621,18 +599,6 @@
                          ndpInstanceId);
 }
 
-Return<void> WifiNanIface::beaconSdfPayloadRequest(
-    uint16_t cmd_id,
-    const NanBeaconSdfPayloadRequest& msg,
-    beaconSdfPayloadRequest_cb hidl_status_cb) {
-  return validateAndCall(this,
-                         WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
-                         &WifiNanIface::beaconSdfPayloadRequestInternal,
-                         hidl_status_cb,
-                         cmd_id,
-                         msg);
-}
-
 std::pair<WifiStatus, std::string> WifiNanIface::getNameInternal() {
   return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
 }
@@ -699,7 +665,7 @@
 }
 
 WifiStatus WifiNanIface::stopPublishRequestInternal(
-    uint16_t cmd_id, uint16_t sessionId) {
+    uint16_t cmd_id, uint8_t sessionId) {
   legacy_hal::NanPublishCancelRequest legacy_msg;
   legacy_msg.publish_id = sessionId;
   legacy_hal::wifi_error legacy_status =
@@ -720,7 +686,7 @@
 }
 
 WifiStatus WifiNanIface::stopSubscribeRequestInternal(
-    uint16_t cmd_id, uint16_t sessionId) {
+    uint16_t cmd_id, uint8_t sessionId) {
   legacy_hal::NanSubscribeCancelRequest legacy_msg;
   legacy_msg.subscribe_id = sessionId;
   legacy_hal::wifi_error legacy_status =
@@ -783,16 +749,6 @@
   free(legacy_msg);
   return createWifiStatusFromLegacyError(legacy_status);
 }
-WifiStatus WifiNanIface::beaconSdfPayloadRequestInternal(
-    uint16_t cmd_id, const NanBeaconSdfPayloadRequest& msg) {
-  legacy_hal::NanBeaconSdfPayloadRequest legacy_msg;
-  if (!hidl_struct_util::convertHidlNanBeaconSdfPayloadRequestToLegacy(msg, &legacy_msg)) {
-    return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
-  }
-  legacy_hal::wifi_error legacy_status =
-      legacy_hal_.lock()->nanBeaconSdfPayloadRequest(cmd_id, legacy_msg);
-  return createWifiStatusFromLegacyError(legacy_status);
-}
 
 }  // namespace implementation
 }  // namespace V1_0
diff --git a/wifi/1.0/default/wifi_nan_iface.h b/wifi/1.0/default/wifi_nan_iface.h
index 4fae3df..d1da60e 100644
--- a/wifi/1.0/default/wifi_nan_iface.h
+++ b/wifi/1.0/default/wifi_nan_iface.h
@@ -60,13 +60,13 @@
                                    const NanPublishRequest& msg,
                                    startPublishRequest_cb hidl_status_cb) override;
   Return<void> stopPublishRequest(uint16_t cmd_id,
-                                  uint16_t sessionId,
+                                  uint8_t sessionId,
                                   stopPublishRequest_cb hidl_status_cb) override;
   Return<void> startSubscribeRequest(uint16_t cmd_id,
                                      const NanSubscribeRequest& msg,
                                     startSubscribeRequest_cb hidl_status_cb) override;
   Return<void> stopSubscribeRequest(uint16_t cmd_id,
-                                    uint16_t sessionId,
+                                    uint8_t sessionId,
                                     stopSubscribeRequest_cb hidl_status_cb) override;
   Return<void> transmitFollowupRequest(uint16_t cmd_id,
                                        const NanTransmitFollowupRequest& msg,
@@ -87,9 +87,6 @@
   Return<void> terminateDataPathRequest(uint16_t cmd_id,
                                         uint32_t ndpInstanceId,
                                         terminateDataPathRequest_cb hidl_status_cb) override;
-  Return<void> beaconSdfPayloadRequest(uint16_t cmd_id,
-                                       const NanBeaconSdfPayloadRequest& msg,
-                                       beaconSdfPayloadRequest_cb hidl_status_cb) override;
 
  private:
   // Corresponding worker functions for the HIDL methods.
@@ -105,10 +102,10 @@
   WifiStatus disableRequestInternal(uint16_t cmd_id);
   WifiStatus startPublishRequestInternal(uint16_t cmd_id,
                                          const NanPublishRequest& msg);
-  WifiStatus stopPublishRequestInternal(uint16_t cmd_id, uint16_t sessionId);
+  WifiStatus stopPublishRequestInternal(uint16_t cmd_id, uint8_t sessionId);
   WifiStatus startSubscribeRequestInternal(uint16_t cmd_id,
                                            const NanSubscribeRequest& msg);
-  WifiStatus stopSubscribeRequestInternal(uint16_t cmd_id, uint16_t sessionId);
+  WifiStatus stopSubscribeRequestInternal(uint16_t cmd_id, uint8_t sessionId);
   WifiStatus transmitFollowupRequestInternal(
       uint16_t cmd_id, const NanTransmitFollowupRequest& msg);
   WifiStatus createDataInterfaceRequestInternal(uint16_t cmd_id,
@@ -121,8 +118,6 @@
       uint16_t cmd_id, const NanRespondToDataPathIndicationRequest& msg);
   WifiStatus terminateDataPathRequestInternal(
       uint16_t cmd_id, uint32_t ndpInstanceId);
-  WifiStatus beaconSdfPayloadRequestInternal(
-      uint16_t cmd_id, const NanBeaconSdfPayloadRequest& msg);
 
   std::string ifname_;
   std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
diff --git a/wifi/1.0/types.hal b/wifi/1.0/types.hal
index 1ec1357..c4bdc23 100644
--- a/wifi/1.0/types.hal
+++ b/wifi/1.0/types.hal
@@ -867,7 +867,7 @@
    * The ID of the discovery session being configured. A value of 0 specifies a request to create
    * a new discovery session.
    */
-  uint16_t sessionId;
+  uint8_t sessionId;
   /**
    * The lifetime of the discovery session in seconds. A value of 0 means run forever or until
    * canceled.
@@ -1042,7 +1042,7 @@
    * ID of an active publish or subscribe discovery session. Follow-up message is transmitted in the
    * context of the discovery session.
    */
-  uint16_t discoverySessionId;
+  uint8_t discoverySessionId;
   /**
    * ID of the peer. Obtained as part of an earlier |eventMatch| or |eventFollowupReceived|.
    */
@@ -1159,31 +1159,6 @@
 };
 
 /**
- * Specifies vendor-specific information fields to be included in NAN management frames.
- */
-struct NanBeaconSdfPayloadRequest {
-  /**
-   * If true information is transmitted in next 16 DWs, else only in the next (1) DW.
-   */
-  bool transmitInNext16dws;
-  /**
-   * Specify the management frames in which the vendor-specific information is included.
-   */
-  bool transmitInDiscoveryBeacon;
-  bool transmitInSyncBeacon;
-  bool transmitInServiceDiscoveryFrame;
-  /**
-   * Organizationally Unique Identifier (OUI).
-   */
-  uint32_t vendorOui;
-  /**
-   * Vendor specific attribute to be transmitted.
-   * Max length: |NanCapabilities.maxVsaDataLen|.
-   */
-  vec<uint8_t> vsa;
-};
-
-/**
  * NDP Capabilities response.
  */
 struct NanCapabilities {
@@ -1253,7 +1228,7 @@
   /**
    * Publish or subscribe discovery session ID of an existing discovery session.
    */
-  uint16_t discoverySessionId;
+  uint8_t discoverySessionId;
   /**
    * A unique ID of the peer. Can be subsequently used in |transmitFollowupRequest|.
    */
@@ -1338,7 +1313,7 @@
    * Discovery session (publish or subscribe) ID of a previously created discovery session. The
    * message is received in the context of this discovery session.
    */
-  uint16_t discoverySessionId;
+  uint8_t discoverySessionId;
   /**
    * A unique ID of the peer. Can be subsequently used in |transmitFollowupRequest|.
    */
@@ -1394,54 +1369,6 @@
 };
 
 /**
- * Mask to determine on which frames the vendor-specific attribute (VSA) was received on.
- */
-enum NanVsaRxFrameMask: uint32_t {
-  DISCOVERY_BEACON_MASK = 1 << 0,
-  SYNC_BEACON_MASK = 1 << 1,
-  SERVICE_DISCOVERY_MASK = 1 << 2
-};
-
-/**
- * NAN Beacon or SDF Payload Indication Message structure.
- * The BeaconSdfPayloadInd message indicates to the upper layers that information
- * elements were received either in a Beacon or SDF which needs to be delivered
- * outside of a Publish/Subscribe Handle.
- */
-struct NanBeaconSdfPayloadInd {
-  /**
-   * The MAC address of the peer which sent the attributes.
-   */
-  MacAddress addr;
-  /**
-   * A flag indicating whether a vendor-specific attribute (VSA) has been received.
-   */
-  bool isVsaReceived;
-  /**
-   * Frames on which this vendor specific attribute was received.
-   * Mask |NanVsaRxFrameMask| defined above.
-   */
-  bitfield<NanVsaRxFrameMask> vsaReceivedOnFrames;
-  /**
-   * Organizationally Unique Identifier (OUI) of the vendor-specific attribute.
-   */
-  uint32_t vsaVendorOui;
-  /**
-   * Contents of the vendor specific attribute.
-   * Max length: |NanCapabilities.maxVsaDataLen|.
-   */
-  vec<uint8_t> vsa;
-  /**
-   * A flag indicating whether a NAN beacon or SDF payload has been received.
-   */
-  bool isBeaconSdfPayloadReceived;
-  /**
-   * The contents of the NAN beacon or SDF payload.
-   */
-  vec<uint8_t> beaconSdfPayloadData;
-};
-
-/**
  * NAN Data path request Indication Message structure.
  * Event indication received by an intended Responder when a Nan Data request initiated by an
  * Initiator.
@@ -1451,7 +1378,7 @@
    * ID of an active publish or subscribe discovery session - the data-path request is in the
    * context of this discovery session.
    */
-  uint16_t discoverySessionId;
+  uint8_t discoverySessionId;
   /**
    * MAC address of the Initiator peer. This is the MAC address of the peer's management/discovery
    * NAN interface.
diff --git a/wifi/1.0/vts/WifiNanIface.vts b/wifi/1.0/vts/WifiNanIface.vts
index 663b526..c06f985 100644
--- a/wifi/1.0/vts/WifiNanIface.vts
+++ b/wifi/1.0/vts/WifiNanIface.vts
@@ -259,20 +259,4 @@
         }
     }
 
-    api: {
-        name: "beaconSdfPayloadRequest"
-        return_type_hidl: {
-            type: TYPE_STRUCT
-            predefined_type: "::android::hardware::wifi::V1_0::WifiStatus"
-        }
-        arg: {
-            type: TYPE_SCALAR
-            scalar_type: "uint16_t"
-        }
-        arg: {
-            type: TYPE_STRUCT
-            predefined_type: "::android::hardware::wifi::V1_0::NanBeaconSdfPayloadRequest"
-        }
-    }
-
 }
diff --git a/wifi/1.0/vts/WifiNanIfaceEventCallback.vts b/wifi/1.0/vts/WifiNanIfaceEventCallback.vts
index 30ca88a..02d04ac 100644
--- a/wifi/1.0/vts/WifiNanIfaceEventCallback.vts
+++ b/wifi/1.0/vts/WifiNanIfaceEventCallback.vts
@@ -192,18 +192,6 @@
     }
 
     api: {
-        name: "notifyBeaconSdfPayloadResponse"
-        arg: {
-            type: TYPE_SCALAR
-            scalar_type: "uint16_t"
-        }
-        arg: {
-            type: TYPE_STRUCT
-            predefined_type: "::android::hardware::wifi::V1_0::WifiNanStatus"
-        }
-    }
-
-    api: {
         name: "eventClusterEvent"
         arg: {
             type: TYPE_STRUCT
@@ -307,12 +295,4 @@
         }
     }
 
-    api: {
-        name: "eventBeaconSdfPayload"
-        arg: {
-            type: TYPE_STRUCT
-            predefined_type: "::android::hardware::wifi::V1_0::NanBeaconSdfPayloadInd"
-        }
-    }
-
 }
diff --git a/wifi/1.0/vts/types.vts b/wifi/1.0/vts/types.vts
index fd60d4e..fc52b69 100644
--- a/wifi/1.0/vts/types.vts
+++ b/wifi/1.0/vts/types.vts
@@ -1513,44 +1513,6 @@
 }
 
 attribute: {
-    name: "::android::hardware::wifi::V1_0::NanBeaconSdfPayloadRequest"
-    type: TYPE_STRUCT
-    struct_value: {
-        name: "transmitInNext16dws"
-        type: TYPE_SCALAR
-        scalar_type: "bool_t"
-    }
-    struct_value: {
-        name: "transmitInDiscoveryBeacon"
-        type: TYPE_SCALAR
-        scalar_type: "bool_t"
-    }
-    struct_value: {
-        name: "transmitInSyncBeacon"
-        type: TYPE_SCALAR
-        scalar_type: "bool_t"
-    }
-    struct_value: {
-        name: "transmitInServiceDiscoveryFrame"
-        type: TYPE_SCALAR
-        scalar_type: "bool_t"
-    }
-    struct_value: {
-        name: "vendorOui"
-        type: TYPE_SCALAR
-        scalar_type: "uint32_t"
-    }
-    struct_value: {
-        name: "vsa"
-        type: TYPE_VECTOR
-        vector_value: {
-            type: TYPE_SCALAR
-            scalar_type: "uint8_t"
-        }
-    }
-}
-
-attribute: {
     name: "::android::hardware::wifi::V1_0::NanCapabilities"
     type: TYPE_STRUCT
     struct_value: {
@@ -1804,56 +1766,6 @@
 }
 
 attribute: {
-    name: "::android::hardware::wifi::V1_0::NanBeaconSdfPayloadInd"
-    type: TYPE_STRUCT
-    struct_value: {
-        name: "addr"
-        type: TYPE_ARRAY
-        vector_value: {
-            vector_size: 6
-            type: TYPE_SCALAR
-            scalar_type: "uint8_t"
-        }
-    }
-    struct_value: {
-        name: "isVsaReceived"
-        type: TYPE_SCALAR
-        scalar_type: "bool_t"
-    }
-    struct_value: {
-        name: "vsaReceivedOnFrames"
-        type: TYPE_MASK
-        predefined_type: "::android::hardware::wifi::V1_0::NanVsaRxFrameMask"
-    }
-    struct_value: {
-        name: "vsaVendorOui"
-        type: TYPE_SCALAR
-        scalar_type: "uint32_t"
-    }
-    struct_value: {
-        name: "vsa"
-        type: TYPE_VECTOR
-        vector_value: {
-            type: TYPE_SCALAR
-            scalar_type: "uint8_t"
-        }
-    }
-    struct_value: {
-        name: "isBeaconSdfPayloadReceived"
-        type: TYPE_SCALAR
-        scalar_type: "bool_t"
-    }
-    struct_value: {
-        name: "beaconSdfPayloadData"
-        type: TYPE_VECTOR
-        vector_value: {
-            type: TYPE_SCALAR
-            scalar_type: "uint8_t"
-        }
-    }
-}
-
-attribute: {
     name: "::android::hardware::wifi::V1_0::NanDataPathRequestInd"
     type: TYPE_STRUCT
     struct_value: {
diff --git a/wifi/supplicant/1.0/Android.bp b/wifi/supplicant/1.0/Android.bp
index b985a93..a6c2758 100644
--- a/wifi/supplicant/1.0/Android.bp
+++ b/wifi/supplicant/1.0/Android.bp
@@ -24,19 +24,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi.supplicant@1.0",
     srcs: [
-        "types.hal",
-        "ISupplicant.hal",
-        "ISupplicantCallback.hal",
-        "ISupplicantIface.hal",
-        "ISupplicantNetwork.hal",
-        "ISupplicantP2pIface.hal",
-        "ISupplicantP2pIfaceCallback.hal",
-        "ISupplicantP2pNetwork.hal",
-        "ISupplicantP2pNetworkCallback.hal",
-        "ISupplicantStaIface.hal",
-        "ISupplicantStaIfaceCallback.hal",
-        "ISupplicantStaNetwork.hal",
-        "ISupplicantStaNetworkCallback.hal",
+        ":android.hardware.wifi.supplicant@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/supplicant/1.0/types.cpp",
@@ -60,19 +48,7 @@
     tools: ["hidl-gen"],
     cmd: "$(location hidl-gen) -o $(genDir) -Lc++ -randroid.hardware:hardware/interfaces -randroid.hidl:system/libhidl/transport android.hardware.wifi.supplicant@1.0",
     srcs: [
-        "types.hal",
-        "ISupplicant.hal",
-        "ISupplicantCallback.hal",
-        "ISupplicantIface.hal",
-        "ISupplicantNetwork.hal",
-        "ISupplicantP2pIface.hal",
-        "ISupplicantP2pIfaceCallback.hal",
-        "ISupplicantP2pNetwork.hal",
-        "ISupplicantP2pNetworkCallback.hal",
-        "ISupplicantStaIface.hal",
-        "ISupplicantStaIfaceCallback.hal",
-        "ISupplicantStaNetwork.hal",
-        "ISupplicantStaNetworkCallback.hal",
+        ":android.hardware.wifi.supplicant@1.0_hal",
     ],
     out: [
         "android/hardware/wifi/supplicant/1.0/types.h",
diff --git a/wifi/supplicant/1.0/Android.mk b/wifi/supplicant/1.0/Android.mk
index ad49b0a..dd210d0 100644
--- a/wifi/supplicant/1.0/Android.mk
+++ b/wifi/supplicant/1.0/Android.mk
@@ -8,7 +8,7 @@
 LOCAL_MODULE := android.hardware.wifi.supplicant@1.0-java
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)
 
@@ -387,7 +387,7 @@
 LOCAL_MODULE := android.hardware.wifi.supplicant@1.0-java-static
 LOCAL_MODULE_CLASS := JAVA_LIBRARIES
 
-intermediates := $(local-generated-sources-dir)
+intermediates := $(call local-generated-sources-dir, COMMON)
 
 HIDL := $(HOST_OUT_EXECUTABLES)/hidl-gen$(HOST_EXECUTABLE_SUFFIX)