diff --git a/current.txt b/current.txt
index dc5f2ee..23ca1b7 100644
--- a/current.txt
+++ b/current.txt
@@ -343,9 +343,9 @@
 7899b9305587b2d5cd74a3cc87e9090f58bf4ae74256ce3ee36e7ec011822840 android.hardware.power@1.2::types
 ab132c990a62f0aca35871c092c22fb9c85d478e22124ef6a4d0a2302da76a9f android.hardware.radio@1.2::IRadio
 cda752aeabaabc20486a82ac57a3dd107785c006094a349bc5e224e8aa22a17c android.hardware.radio@1.2::IRadioIndication
-c38b7e1f808565a535ff19fd4c1b512b22dfa0b58ec91dce03f72a8f1eaf6957 android.hardware.radio@1.2::IRadioResponse
+da8c6ae991c6a4b284cc6e445332e064e28ee8a09482ed5afff9d159ec6694b7 android.hardware.radio@1.2::IRadioResponse
 b65332996eb39ba63300a1011404141fa59ce5c252bc17afae637be6eeca5f55 android.hardware.radio@1.2::ISap
-508ace7d4023b865b8b77c3ca3c86cc9525ef3803dc9c6b461b7c1f91b0fec00 android.hardware.radio@1.2::types
+a9361522cc97ef66209d39ba324095b2f08344054bb4d3481e803eee0480623a android.hardware.radio@1.2::types
 87385469cf4409f0f33b01508e7a477cf71f2a11e466dd7e3ab5971a1baaa72b android.hardware.radio.config@1.0::IRadioConfig
 228b2ee3c8c276c9f0afad2dc313ca3d6bbd9e482ddf313c7204c60ad9b636ab android.hardware.radio.config@1.0::IRadioConfigIndication
 a2e9b7aa09f79426f765838174e04b6f9a3e6c8b76b923fc1705632207bad44b android.hardware.radio.config@1.0::IRadioConfigResponse
@@ -365,7 +365,7 @@
 167af870fdb87e1cbbaa0fa62ef35e1031caad20dd1ba695983dedb1e9993486 android.hardware.wifi@1.2::IWifiChipEventCallback
 8c7ef32fc78d5ec6e6956de3784cc2c6f42614b5272d2e461f6d60534ba38ec2 android.hardware.wifi@1.2::IWifiNanIface
 1e6074efad9da333803fb7c1acdb719d51c30b2e1e92087b0420341631c30b60 android.hardware.wifi@1.2::IWifiNanIfaceEventCallback
-a9d733eb0d555f2a6cb79a212810e81b56ecba0e31a8ffe0916de086a29e4f88 android.hardware.wifi@1.2::IWifiStaIface
+f5682dbf19f712bef9cc3faa5fe3dc670b6ffbcb62a147a1d86b9d43574cd83f android.hardware.wifi@1.2::IWifiStaIface
 6db2e7d274be2dca9bf3087afd1f774a68c99d2b4dc7eeaf41690e5cebcbef7a android.hardware.wifi@1.2::types
 ee08280de21cb41e3ec26d6ed636c701b7f70516e71fb22f4fe60a13e603f406 android.hardware.wifi.hostapd@1.0::IHostapd
 b2479cd7a417a1cf4f3a22db4e4579e21bac38fdcaf381e2bf10176d05397e01 android.hardware.wifi.hostapd@1.0::types
diff --git a/radio/1.2/Android.bp b/radio/1.2/Android.bp
index a9c80b7..c90a03c 100644
--- a/radio/1.2/Android.bp
+++ b/radio/1.2/Android.bp
@@ -24,6 +24,7 @@
         "Call",
         "CardStatus",
         "CellConnectionStatus",
+        "CellIdentity",
         "CellIdentityCdma",
         "CellIdentityGsm",
         "CellIdentityLte",
@@ -36,6 +37,7 @@
         "CellInfoLte",
         "CellInfoTdscdma",
         "CellInfoWcdma",
+        "DataRegStateResult",
         "DataRequestReason",
         "IncrementalResultsPeriodicityRange",
         "IndicationFilter",
@@ -48,6 +50,7 @@
         "ScanIntervalRange",
         "SignalStrength",
         "TdscdmaSignalStrength",
+        "VoiceRegStateResult",
         "WcdmaSignalStrength",
     ],
     gen_java: true,
diff --git a/radio/1.2/IRadioResponse.hal b/radio/1.2/IRadioResponse.hal
index f26c9ec..300aa37 100644
--- a/radio/1.2/IRadioResponse.hal
+++ b/radio/1.2/IRadioResponse.hal
@@ -98,4 +98,31 @@
      *   RadioError:INTERNAL_ERR
      */
     oneway getSignalStrengthResponse_1_2(RadioResponseInfo info, SignalStrength signalStrength);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param voiceRegResponse Current Voice registration response as defined by VoiceRegStateResult
+     *        in types.hal
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     */
+    oneway getVoiceRegistrationStateResponse_1_2(RadioResponseInfo info,
+            VoiceRegStateResult voiceRegResponse);
+
+    /**
+     * @param info Response info struct containing response type, serial no. and error
+     * @param dataRegResponse Current Data registration response as defined by DataRegStateResult in
+     *        types.hal
+     *
+     * Valid errors returned:
+     *   RadioError:NONE
+     *   RadioError:RADIO_NOT_AVAILABLE
+     *   RadioError:INTERNAL_ERR
+     *   RadioError:NOT_PROVISIONED
+     */
+    oneway getDataRegistrationStateResponse_1_2(RadioResponseInfo info,
+            DataRegStateResult dataRegResponse);
 };
diff --git a/radio/1.2/types.hal b/radio/1.2/types.hal
index 5e72b3b..4715fac 100644
--- a/radio/1.2/types.hal
+++ b/radio/1.2/types.hal
@@ -32,6 +32,7 @@
 import @1.0::LteSignalStrength;
 import @1.0::RadioConst;
 import @1.0::RadioError;
+import @1.0::RegState;
 import @1.0::SignalStrength;
 import @1.0::TdScdmaSignalStrength;
 import @1.0::TimeStampType;
@@ -462,3 +463,129 @@
     TdScdmaSignalStrength tdScdma;
     WcdmaSignalStrength wcdma;
 };
+
+struct CellIdentity {
+    /**
+     * Cell type for selecting from union CellInfo.
+     * Only one of the below vectors must be of size 1 based on a
+     * valid CellInfoType and others must be of size 0.
+     * If cell info type is NONE, then all the vectors must be of size 0.
+     */
+    CellInfoType cellInfoType;
+    vec<CellIdentityGsm> cellIdentityGsm;
+    vec<CellIdentityWcdma> cellIdentityWcdma;
+    vec<CellIdentityCdma> cellIdentityCdma;
+    vec<CellIdentityLte> cellIdentityLte;
+    vec<CellIdentityTdscdma> cellIdentityTdscdma;
+};
+
+struct VoiceRegStateResult {
+    /**
+     * Valid reg states are NOT_REG_MT_NOT_SEARCHING_OP,
+     * REG_HOME, NOT_REG_MT_SEARCHING_OP, REG_DENIED,
+     * UNKNOWN, REG_ROAMING defined in RegState
+     */
+    RegState regState;
+    /**
+     * Indicates the available voice radio technology, valid values as
+     * defined by RadioTechnology.
+     */
+    int32_t rat;
+    /**
+     * concurrent services support indicator. if registered on a CDMA system.
+     * false - Concurrent services not supported,
+     * true - Concurrent services supported
+     */
+    bool cssSupported;
+    /**
+     * TSB-58 Roaming Indicator if registered on a CDMA or EVDO system or -1 if not.
+     * Valid values are 0-255.
+     */
+    int32_t roamingIndicator;
+    /**
+     * Indicates whether the current system is in the PRL if registered on a CDMA or EVDO system
+     * or -1 if not. 0=not in the PRL, 1=in the PRL
+     */
+    int32_t systemIsInPrl;
+    /**
+     * Default Roaming Indicator from the PRL if registered on a CDMA or EVDO system or -1 if not.
+     * Valid values are 0-255.
+     */
+    int32_t defaultRoamingIndicator;
+    /**
+     * reasonForDenial if registration state is 3
+     * (Registration denied) this is an enumerated reason why
+     * registration was denied. See 3GPP TS 24.008,
+     * 10.5.3.6 and Annex G.
+     * 0 - General
+     * 1 - Authentication Failure
+     * 2 - IMSI unknown in HLR
+     * 3 - Illegal MS
+     * 4 - Illegal ME
+     * 5 - PLMN not allowed
+     * 6 - Location area not allowed
+     * 7 - Roaming not allowed
+     * 8 - No Suitable Cells in this Location Area
+     * 9 - Network failure
+     * 10 - Persistent location update reject
+     * 11 - PLMN not allowed
+     * 12 - Location area not allowed
+     * 13 - Roaming not allowed in this Location Area
+     * 15 - No Suitable Cells in this Location Area
+     * 17 - Network Failure
+     * 20 - MAC Failure
+     * 21 - Sync Failure
+     * 22 - Congestion
+     * 23 - GSM Authentication unacceptable
+     * 25 - Not Authorized for this CSG
+     * 32 - Service option not supported
+     * 33 - Requested service option not subscribed
+     * 34 - Service option temporarily out of order
+     * 38 - Call cannot be identified
+     * 48-63 - Retry upon entry into a new cell
+     * 95 - Semantically incorrect message
+     * 96 - Invalid mandatory information
+     * 97 - Message type non-existent or not implemented
+     * 98 - Message type not compatible with protocol state
+     * 99 - Information element non-existent or not implemented
+     * 100 - Conditional IE error
+     * 101 - Message not compatible with protocol state
+     * 111 - Protocol error, unspecified
+     */
+    int32_t reasonForDenial;
+
+    CellIdentity cellIdentity;
+};
+
+struct DataRegStateResult {
+    /**
+     * Valid reg states are NOT_REG_MT_NOT_SEARCHING_OP,
+     * REG_HOME, NOT_REG_MT_SEARCHING_OP, REG_DENIED,
+     * UNKNOWN, REG_ROAMING defined in RegState
+     */
+    RegState regState;
+    /**
+     * Indicates the available data radio technology,
+     * valid values as defined by RadioTechnology.
+     */
+    int32_t rat;
+    /**
+     * If registration state is 3 (Registration
+     * denied) this is an enumerated reason why
+     * registration was denied. See 3GPP TS 24.008,
+     * Annex G.6 "Additional cause codes for GMM".
+     * 7 == GPRS services not allowed
+     * 8 == GPRS services and non-GPRS services not allowed
+     * 9 == MS identity cannot be derived by the network
+     * 10 == Implicitly detached
+     * 14 == GPRS services not allowed in this PLMN
+     * 16 == MSC temporarily not reachable
+     * 40 == No PDP context activated
+     */
+    int32_t reasonDataDenied;
+    /**
+     * The maximum number of simultaneous Data Calls must be established using setupDataCall().
+     */
+    int32_t maxDataCalls;
+    CellIdentity cellIdentity;
+};
diff --git a/radio/1.2/vts/functional/radio_hidl_hal_api.cpp b/radio/1.2/vts/functional/radio_hidl_hal_api.cpp
index 34a87e1..ee130f8 100644
--- a/radio/1.2/vts/functional/radio_hidl_hal_api.cpp
+++ b/radio/1.2/vts/functional/radio_hidl_hal_api.cpp
@@ -673,3 +673,40 @@
     ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_2->rspInfo.error,
                                  {RadioError::NONE, RadioError::NO_NETWORK_FOUND}));
 }
+
+/*
+ * Test IRadio.getVoiceRegistrationState() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_2, getVoiceRegistrationState) {
+    int serial = GetRandomSerialNumber();
+
+    Return<void> res = radio_v1_2->getVoiceRegistrationState(serial);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_2->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_2->rspInfo.serial);
+
+    ALOGI("getVoiceRegistrationStateResponse_1_2, rspInfo.error = %s\n",
+          toString(radioRsp_v1_2->rspInfo.error).c_str());
+    ASSERT_TRUE(CheckAnyOfErrors(radioRsp_v1_2->rspInfo.error,
+                                 {RadioError::NONE, RadioError::RADIO_NOT_AVAILABLE}));
+}
+
+/*
+ * Test IRadio.getDataRegistrationState() for the response returned.
+ */
+TEST_F(RadioHidlTest_v1_2, getDataRegistrationState) {
+    int serial = GetRandomSerialNumber();
+
+    Return<void> res = radio_v1_2->getDataRegistrationState(serial);
+    ASSERT_OK(res);
+    EXPECT_EQ(std::cv_status::no_timeout, wait());
+    EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp_v1_2->rspInfo.type);
+    EXPECT_EQ(serial, radioRsp_v1_2->rspInfo.serial);
+
+    ALOGI("getVoiceRegistrationStateResponse_1_2, rspInfo.error = %s\n",
+          toString(radioRsp_v1_2->rspInfo.error).c_str());
+    ASSERT_TRUE(CheckAnyOfErrors(
+        radioRsp_v1_2->rspInfo.error,
+        {RadioError::NONE, RadioError::RADIO_NOT_AVAILABLE, RadioError::NOT_PROVISIONED}));
+}
diff --git a/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h b/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h
index 66d8ca4..c61913c 100644
--- a/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h
+++ b/radio/1.2/vts/functional/radio_hidl_hal_utils_v1_2.h
@@ -417,6 +417,12 @@
 
     Return<void> getCellInfoListResponse_1_2(
         const RadioResponseInfo& info, const ::android::hardware::hidl_vec<CellInfo>& cellInfo);
+
+    Return<void> getVoiceRegistrationStateResponse_1_2(
+        const RadioResponseInfo& info, const V1_2::VoiceRegStateResult& voiceRegResponse);
+
+    Return<void> getDataRegistrationStateResponse_1_2(
+        const RadioResponseInfo& info, const V1_2::DataRegStateResult& dataRegResponse);
 };
 
 /* Callback class for radio indication */
diff --git a/radio/1.2/vts/functional/radio_response.cpp b/radio/1.2/vts/functional/radio_response.cpp
index d96f76b..9195689 100644
--- a/radio/1.2/vts/functional/radio_response.cpp
+++ b/radio/1.2/vts/functional/radio_response.cpp
@@ -731,4 +731,14 @@
     rspInfo = info;
     parent_v1_2.notify();
     return Void();
-}
\ No newline at end of file
+}
+
+Return<void> RadioResponse_v1_2::getVoiceRegistrationStateResponse_1_2(
+    const RadioResponseInfo& /*info*/, const V1_2::VoiceRegStateResult& /*voiceRegResponse*/) {
+    return Void();
+}
+
+Return<void> RadioResponse_v1_2::getDataRegistrationStateResponse_1_2(
+    const RadioResponseInfo& /*info*/, const V1_2::DataRegStateResult& /*dataRegResponse*/) {
+    return Void();
+}
diff --git a/wifi/1.2/IWifiStaIface.hal b/wifi/1.2/IWifiStaIface.hal
index be4e537..3a7f777 100644
--- a/wifi/1.2/IWifiStaIface.hal
+++ b/wifi/1.2/IWifiStaIface.hal
@@ -17,6 +17,7 @@
 package android.hardware.wifi@1.2;
 
 import @1.0::WifiStatus;
+import @1.0::MacAddress;
 import @1.0::IWifiStaIface;
 
 /**
@@ -51,4 +52,17 @@
      * @see installApfPacketFilter()
      */
     readApfPacketFilterData() generates (WifiStatus status, vec<uint8_t> data);
+
+    /**
+     * Changes the MAC address of the Sta Interface to the given
+     * MAC address.
+     *
+     * @param mac MAC address to change into.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    setMacAddress(MacAddress mac) generates (WifiStatus status);
 };
diff --git a/wifi/1.2/default/wifi_sta_iface.cpp b/wifi/1.2/default/wifi_sta_iface.cpp
index ab99daa..daa5610 100644
--- a/wifi/1.2/default/wifi_sta_iface.cpp
+++ b/wifi/1.2/default/wifi_sta_iface.cpp
@@ -241,6 +241,13 @@
                            hidl_status_cb);
 }
 
+Return<void> WifiStaIface::setMacAddress(const hidl_array<uint8_t, 6>& mac,
+                                         setMacAddress_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiStaIface::setMacAddressInternal, hidl_status_cb,
+                           mac);
+}
+
 std::pair<WifiStatus, std::string> WifiStaIface::getNameInternal() {
     return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
 }
@@ -594,6 +601,26 @@
     return {createWifiStatus(WifiStatusCode::SUCCESS), hidl_fates};
 }
 
+WifiStatus WifiStaIface::setMacAddressInternal(
+    const std::array<uint8_t, 6>& mac) {
+    if (!iface_tool_.SetWifiUpState(false)) {
+        LOG(ERROR) << "SetWifiUpState(false) failed.";
+        return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+    }
+
+    if (!iface_tool_.SetMacAddress(ifname_.c_str(), mac)) {
+        LOG(ERROR) << "SetMacAddress failed.";
+        return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+    }
+
+    if (!iface_tool_.SetWifiUpState(true)) {
+        LOG(ERROR) << "SetWifiUpState(true) failed.";
+        return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+    }
+    LOG(DEBUG) << "Successfully SetMacAddress.";
+    return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
 }  // namespace implementation
 }  // namespace V1_2
 }  // namespace wifi
diff --git a/wifi/1.2/default/wifi_sta_iface.h b/wifi/1.2/default/wifi_sta_iface.h
index a212888..71cd17d 100644
--- a/wifi/1.2/default/wifi_sta_iface.h
+++ b/wifi/1.2/default/wifi_sta_iface.h
@@ -21,6 +21,8 @@
 #include <android/hardware/wifi/1.0/IWifiStaIfaceEventCallback.h>
 #include <android/hardware/wifi/1.2/IWifiStaIface.h>
 
+#include <wifi_system/interface_tool.h>
+
 #include "hidl_callback_util.h"
 #include "wifi_legacy_hal.h"
 
@@ -103,6 +105,8 @@
         getDebugTxPacketFates_cb hidl_status_cb) override;
     Return<void> getDebugRxPacketFates(
         getDebugRxPacketFates_cb hidl_status_cb) override;
+    Return<void> setMacAddress(const hidl_array<uint8_t, 6>& mac,
+                               setMacAddress_cb hidl_status_cb) override;
 
    private:
     // Corresponding worker functions for the HIDL methods.
@@ -146,12 +150,14 @@
     getDebugTxPacketFatesInternal();
     std::pair<WifiStatus, std::vector<WifiDebugRxPacketFateReport>>
     getDebugRxPacketFatesInternal();
+    WifiStatus setMacAddressInternal(const std::array<uint8_t, 6>& mac);
 
     std::string ifname_;
     std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
     bool is_valid_;
     hidl_callback_util::HidlCallbackHandler<IWifiStaIfaceEventCallback>
         event_cb_handler_;
+    wifi_system::InterfaceTool iface_tool_;
 
     DISALLOW_COPY_AND_ASSIGN(WifiStaIface);
 };
diff --git a/wifi/1.2/vts/functional/Android.bp b/wifi/1.2/vts/functional/Android.bp
index d85d42e..918e4a4 100644
--- a/wifi/1.2/vts/functional/Android.bp
+++ b/wifi/1.2/vts/functional/Android.bp
@@ -20,6 +20,7 @@
     srcs: [
         "VtsHalWifiV1_2TargetTest.cpp",
         "wifi_chip_hidl_test.cpp",
+        "wifi_sta_iface_hidl_test.cpp",
     ],
     static_libs: [
         "VtsHalWifiV1_0TargetTestUtil",
diff --git a/wifi/1.2/vts/functional/wifi_sta_iface_hidl_test.cpp b/wifi/1.2/vts/functional/wifi_sta_iface_hidl_test.cpp
new file mode 100644
index 0000000..fd4a671
--- /dev/null
+++ b/wifi/1.2/vts/functional/wifi_sta_iface_hidl_test.cpp
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Staache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/logging.h>
+
+#include <android/hardware/wifi/1.2/IWifiStaIface.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+
+#include "wifi_hidl_call_util.h"
+#include "wifi_hidl_test_utils.h"
+
+using ::android::sp;
+using ::android::hardware::wifi::V1_2::IWifiStaIface;
+using ::android::hardware::wifi::V1_0::WifiStatusCode;
+
+/**
+ * Fixture to use for all STA Iface HIDL interface tests.
+ */
+class WifiStaIfaceHidlTest : public ::testing::VtsHalHidlTargetTestBase {
+   public:
+    virtual void SetUp() override {
+        wifi_sta_iface_ = IWifiStaIface::castFrom(getWifiStaIface());
+        ASSERT_NE(nullptr, wifi_sta_iface_.get());
+    }
+
+    virtual void TearDown() override { stopWifi(); }
+
+   protected:
+    sp<IWifiStaIface> wifi_sta_iface_;
+};
+
+/*
+ * SetMacAddress:
+ * Ensures that calls to set MAC address will return a success status
+ * code.
+ */
+TEST_F(WifiStaIfaceHidlTest, SetMacAddress) {
+    const android::hardware::hidl_array<uint8_t, 6> kMac{
+        std::array<uint8_t, 6>{{0x12, 0x22, 0x33, 0x52, 0x10, 0x41}}};
+    EXPECT_EQ(WifiStatusCode::SUCCESS,
+              HIDL_INVOKE(wifi_sta_iface_, setMacAddress, kMac).code);
+}