diff --git a/wifi/supplicant/1.1/vts/functional/Android.bp b/wifi/supplicant/1.1/vts/functional/Android.bp
index 3efe15d..3e65453 100644
--- a/wifi/supplicant/1.1/vts/functional/Android.bp
+++ b/wifi/supplicant/1.1/vts/functional/Android.bp
@@ -40,6 +40,7 @@
     srcs: [
         "VtsHalWifiSupplicantV1_1TargetTest.cpp",
         "supplicant_hidl_test.cpp",
+        "supplicant_sta_iface_hidl_test.cpp",
         "supplicant_sta_network_hidl_test.cpp",
     ],
     static_libs: [
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp
index 3f17740..04a5ed9 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.cpp
@@ -21,6 +21,7 @@
 #include "supplicant_hidl_test_utils_1_1.h"
 
 using ::android::hardware::wifi::supplicant::V1_1::ISupplicant;
+using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaIface;
 using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaNetwork;
 using ::android::sp;
 
@@ -28,6 +29,10 @@
     return ISupplicant::castFrom(getSupplicant());
 }
 
+sp<ISupplicantStaIface> getSupplicantStaIface_1_1() {
+    return ISupplicantStaIface::castFrom(getSupplicantStaIface());
+}
+
 sp<ISupplicantStaNetwork> createSupplicantStaNetwork_1_1() {
     return ISupplicantStaNetwork::castFrom(createSupplicantStaNetwork());
 }
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h
index e7ce54a..1c13325 100644
--- a/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_hidl_test_utils_1_1.h
@@ -18,11 +18,15 @@
 #define SUPPLICANT_HIDL_TEST_UTILS_1_1_H
 
 #include <android/hardware/wifi/supplicant/1.1/ISupplicant.h>
+#include <android/hardware/wifi/supplicant/1.1/ISupplicantStaIface.h>
 #include <android/hardware/wifi/supplicant/1.1/ISupplicantStaNetwork.h>
 
 android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicant>
     getSupplicant_1_1();
 
+android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicantStaIface>
+    getSupplicantStaIface_1_1();
+
 android::sp<android::hardware::wifi::supplicant::V1_1::ISupplicantStaNetwork>
     createSupplicantStaNetwork_1_1();
 
diff --git a/wifi/supplicant/1.1/vts/functional/supplicant_sta_iface_hidl_test.cpp b/wifi/supplicant/1.1/vts/functional/supplicant_sta_iface_hidl_test.cpp
new file mode 100644
index 0000000..c5e6319
--- /dev/null
+++ b/wifi/supplicant/1.1/vts/functional/supplicant_sta_iface_hidl_test.cpp
@@ -0,0 +1,139 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <android-base/logging.h>
+
+#include <VtsHalHidlTargetTestBase.h>
+
+#include <android/hardware/wifi/supplicant/1.1/ISupplicantStaIface.h>
+
+#include "supplicant_hidl_test_utils.h"
+#include "supplicant_hidl_test_utils_1_1.h"
+
+using ::android::sp;
+using ::android::hardware::hidl_array;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaIface;
+using ::android::hardware::wifi::supplicant::V1_1::ISupplicantStaIfaceCallback;
+using ::android::hardware::wifi::supplicant::V1_0::SupplicantStatus;
+using ::android::hardware::wifi::supplicant::V1_0::SupplicantStatusCode;
+
+class SupplicantStaIfaceHidlTest
+    : public ::testing::VtsHalHidlTargetTestBase {
+ public:
+  virtual void SetUp() override {
+      startSupplicantAndWaitForHidlService();
+      EXPECT_TRUE(turnOnExcessiveLogging());
+      sta_iface_ = getSupplicantStaIface_1_1();
+      ASSERT_NE(sta_iface_.get(), nullptr);
+  }
+
+  virtual void TearDown() override { stopSupplicant(); }
+
+ protected:
+  // ISupplicantStaIface object used for all tests in this fixture.
+  sp<ISupplicantStaIface> sta_iface_;
+};
+
+class IfaceCallback : public ISupplicantStaIfaceCallback {
+    Return<void> onNetworkAdded(uint32_t /* id */) override { return Void(); }
+    Return<void> onNetworkRemoved(uint32_t /* id */) override { return Void(); }
+    Return<void> onStateChanged(
+        ISupplicantStaIfaceCallback::State /* newState */,
+        const hidl_array<uint8_t, 6>& /*bssid */, uint32_t /* id */,
+        const hidl_vec<uint8_t>& /* ssid */) override {
+        return Void();
+    }
+    Return<void> onAnqpQueryDone(
+        const hidl_array<uint8_t, 6>& /* bssid */,
+        const ISupplicantStaIfaceCallback::AnqpData& /* data */,
+        const ISupplicantStaIfaceCallback::Hs20AnqpData& /* hs20Data */)
+        override {
+        return Void();
+    }
+    virtual Return<void> onHs20IconQueryDone(
+        const hidl_array<uint8_t, 6>& /* bssid */,
+        const hidl_string& /* fileName */,
+        const hidl_vec<uint8_t>& /* data */) override {
+        return Void();
+    }
+    virtual Return<void> onHs20SubscriptionRemediation(
+        const hidl_array<uint8_t, 6>& /* bssid */,
+        ISupplicantStaIfaceCallback::OsuMethod /* osuMethod */,
+        const hidl_string& /* url*/) override {
+        return Void();
+    }
+    Return<void> onHs20DeauthImminentNotice(
+        const hidl_array<uint8_t, 6>& /* bssid */, uint32_t /* reasonCode */,
+        uint32_t /* reAuthDelayInSec */,
+        const hidl_string& /* url */) override {
+        return Void();
+    }
+    Return<void> onDisconnected(const hidl_array<uint8_t, 6>& /* bssid */,
+                                bool /* locallyGenerated */,
+                                ISupplicantStaIfaceCallback::ReasonCode
+                                /* reasonCode */) override {
+        return Void();
+    }
+    Return<void> onAssociationRejected(
+        const hidl_array<uint8_t, 6>& /* bssid */,
+        ISupplicantStaIfaceCallback::StatusCode /* statusCode */,
+        bool /*timedOut */) override {
+        return Void();
+    }
+    Return<void> onAuthenticationTimeout(
+        const hidl_array<uint8_t, 6>& /* bssid */) override {
+        return Void();
+    }
+    Return<void> onBssidChanged(
+        ISupplicantStaIfaceCallback::BssidChangeReason /* reason */,
+        const hidl_array<uint8_t, 6>& /* bssid */) override {
+        return Void();
+    }
+    Return<void> onEapFailure() override { return Void(); }
+    Return<void> onEapFailure_1_1(
+        ISupplicantStaIfaceCallback::EapErrorCode /* eapErrorCode */) override {
+        return Void();
+    }
+    Return<void> onWpsEventSuccess() override { return Void(); }
+    Return<void> onWpsEventFail(
+        const hidl_array<uint8_t, 6>& /* bssid */,
+        ISupplicantStaIfaceCallback::WpsConfigError /* configError */,
+        ISupplicantStaIfaceCallback::WpsErrorIndication /* errorInd */)
+        override {
+        return Void();
+    }
+    Return<void> onWpsEventPbcOverlap() override { return Void(); }
+    Return<void> onExtRadioWorkStart(uint32_t /* id */) override {
+        return Void();
+    }
+    Return<void> onExtRadioWorkTimeout(uint32_t /* id*/) override {
+        return Void();
+    }
+};
+
+/*
+ * RegisterCallback_1_1
+ */
+TEST_F(SupplicantStaIfaceHidlTest, RegisterCallback_1_1) {
+  sta_iface_->registerCallback_1_1(
+      new IfaceCallback(), [](const SupplicantStatus& status) {
+          EXPECT_EQ(SupplicantStatusCode::SUCCESS, status.code);
+      });
+}