diff --git a/wifi/1.0/Android.mk b/wifi/1.0/Android.mk
index bc31f7a..50e9809 100644
--- a/wifi/1.0/Android.mk
+++ b/wifi/1.0/Android.mk
@@ -26,6 +26,126 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build ISupplicant.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantAll.cpp
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicant.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Lc++ -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicant
+
+$(GEN): $(LOCAL_PATH)/ISupplicant.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantCallbackAll.cpp
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Lc++ -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantIfaceAll.cpp
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Lc++ -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantIface
+
+$(GEN): $(LOCAL_PATH)/ISupplicantIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantIfaceCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantIfaceCallbackAll.cpp
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Lc++ -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantIfaceCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantNetwork.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantNetworkAll.cpp
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Lc++ -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantNetwork
+
+$(GEN): $(LOCAL_PATH)/ISupplicantNetwork.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantNetworkCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantNetworkCallbackAll.cpp
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Lc++ -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantNetworkCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build IWifi.hal
 #
 GEN := $(intermediates)/android/hardware/wifi/1.0/WifiAll.cpp
@@ -160,6 +280,160 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (SupplicantStatus)
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantStatus.java
+$(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 $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::types.SupplicantStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SupplicantStatusCode)
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantStatusCode.java
+$(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 $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::types.SupplicantStatusCode
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicant.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicant.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicant.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicant
+
+$(GEN): $(LOCAL_PATH)/ISupplicant.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantIface
+
+$(GEN): $(LOCAL_PATH)/ISupplicantIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantIfaceCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantIfaceCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantIfaceCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantNetwork.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantNetwork.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantNetwork
+
+$(GEN): $(LOCAL_PATH)/ISupplicantNetwork.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantNetworkCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantNetworkCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantNetworkCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build IWifi.hal
 #
 GEN := $(intermediates)/android/hardware/wifi/1.0/IWifi.java
@@ -286,6 +560,160 @@
 LOCAL_GENERATED_SOURCES += $(GEN)
 
 #
+# Build types.hal (SupplicantStatus)
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantStatus.java
+$(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 $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::types.SupplicantStatus
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build types.hal (SupplicantStatusCode)
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/SupplicantStatusCode.java
+$(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 $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::types.SupplicantStatusCode
+
+$(GEN): $(LOCAL_PATH)/types.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicant.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicant.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicant.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicant
+
+$(GEN): $(LOCAL_PATH)/ISupplicant.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantCallback.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantIface.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantIface.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantIface.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantIface
+
+$(GEN): $(LOCAL_PATH)/ISupplicantIface.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantIfaceCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantIfaceCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantIfaceCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantIfaceCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantNetwork.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantNetwork.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantNetwork.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): PRIVATE_DEPS += $(LOCAL_PATH)/types.hal
+$(GEN): $(LOCAL_PATH)/types.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantNetwork
+
+$(GEN): $(LOCAL_PATH)/ISupplicantNetwork.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
+# Build ISupplicantNetworkCallback.hal
+#
+GEN := $(intermediates)/android/hardware/wifi/1.0/ISupplicantNetworkCallback.java
+$(GEN): $(HIDL)
+$(GEN): PRIVATE_HIDL := $(HIDL)
+$(GEN): PRIVATE_DEPS := $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+$(GEN): PRIVATE_OUTPUT_DIR := $(intermediates)
+$(GEN): PRIVATE_CUSTOM_TOOL = \
+        $(PRIVATE_HIDL) -o $(PRIVATE_OUTPUT_DIR) \
+        -Ljava -randroid.hardware:hardware/interfaces \
+        android.hardware.wifi@1.0::ISupplicantNetworkCallback
+
+$(GEN): $(LOCAL_PATH)/ISupplicantNetworkCallback.hal
+	$(transform-generated-source)
+LOCAL_GENERATED_SOURCES += $(GEN)
+
+#
 # Build IWifi.hal
 #
 GEN := $(intermediates)/android/hardware/wifi/1.0/IWifi.java
diff --git a/wifi/1.0/ISupplicant.hal b/wifi/1.0/ISupplicant.hal
new file mode 100644
index 0000000..e4ec40e
--- /dev/null
+++ b/wifi/1.0/ISupplicant.hal
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.0;
+
+import ISupplicantCallback;
+import ISupplicantIface;
+
+/**
+ * Interface exposed by the wpa_supplicant HIDL service registered
+ * with the hardware service manager.
+ * This is the root level object for any wpa_supplicant interactions.
+ */
+interface ISupplicant {
+  /**
+   * Debug levels for wpa_supplicant.
+   * Only log messages with a level greater than the set level
+   * (via |setDebugParams|) will be logged.
+   */
+  enum DebugLevel : uint32_t {
+    EXCESSIVE = 0,
+    MSGDUMP = 1,
+    DEBUG = 2,
+    INFO = 3,
+    WARNING = 4,
+    ERROR = 5
+  };
+
+  /**
+   * Registers a wireless interface in wpa_supplicant.
+   *
+   * @param ifName Name of the network interface, e.g., wlan0
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_EXISTS|
+   * @return iface HIDL interface object representing the interface if
+   *         successful, null otherwise.
+   */
+  createInterface(string ifName)
+      generates (SupplicantStatus status, ISupplicantIface iface);
+
+  /**
+   * Deregisters a wireless interface from wpa_supplicant.
+   *
+   * @param ifName Name of the network interface, e.g., wlan0
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_UNKOWN|
+   */
+  removeInterface(string ifName) generates (SupplicantStatus status);
+
+  /**
+   * Gets a HIDL interface object for the interface corresponding to ifName
+   * which wpa_supplicant already controls.
+   *
+   * @param ifName Name of the network interface, e.g., wlan0
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_UNKOWN|
+   * @return iface HIDL interface object representing the interface if
+   *         successful, null otherwise.
+   */
+  getInterface(string ifName)
+      generates (SupplicantStatus status, ISupplicantIface iface);
+
+  /**
+   * Retrieve a list of all the interface names controlled by wpa_supplicant.
+   *
+   * The corresponding |ISupplicantIface| object for any interface can be
+   * retrieved using |getInterface| method.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|
+   * @return ifNames List of all interface names controlled by wpa_supplicant.
+   */
+  listInterfaces() generates (SupplicantStatus status, vec<string> ifNames);
+
+  /**
+   * Register for callbacks from the wpa_supplicant service.
+   *
+   * These callbacks are invoked for global events that are not specific
+   * to any interface or network. Registration of multiple callback
+   * objects is supported. These objects must be deleted when the corresponding
+   * client process is dead.
+   *
+   * @param callback An instance of the |ISupplicantCallback| HIDL interface
+   *        object.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|
+   */
+  registerCallback(ISupplicantCallback callback)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set debug parameters for wpa_supplicant.
+   *
+   * @param level Debug logging level for wpa_supplicant.
+   *        (one of |DebugLevel| values).
+   * @param timestamp Determines whether to show timestamps in logs or
+   *        not.
+   * @param showKeys Determines whether to show keys in debug logs or
+   *        not.
+   *        CAUTION: Do not set this param in production code!
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|
+   */
+  setDebugParams(DebugLevel level, bool showTimestamp, bool showKeys)
+      generates (SupplicantStatus status);
+
+  /**
+   * Get the debug level set.
+   *
+   * @return level one of |DebugLevel| values.
+   */
+  getDebugLevel() generates (DebugLevel level);
+
+  /**
+   * Get whether the timestamps are shown in the debug logs or not.
+   *
+   * @return enabled true if set, false otherwise.
+   */
+  isDebugShowTimestampEnabled() generates (bool enabled);
+
+  /**
+   * Get whether the keys are shown in the debug logs or not.
+   *
+   * @return enabled true if set, false otherwise.
+   */
+  isDebugShowKeysEnabled() generates (bool enabled);
+};
diff --git a/wifi/1.0/ISupplicantCallback.hal b/wifi/1.0/ISupplicantCallback.hal
new file mode 100644
index 0000000..879b1da
--- /dev/null
+++ b/wifi/1.0/ISupplicantCallback.hal
@@ -0,0 +1,40 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.0;
+
+/**
+ * Callback Interface exposed by the wpa_supplicant service (ISupplicant).
+ *
+ * Clients need to host an instance of this HIDL interface object and
+ * pass a reference of the object to wpa_supplicant via the
+ * |ISupplicant.registerCallback| method.
+ */
+interface ISupplicantCallback {
+  /**
+   * Used to indicate that a new interface has been created.
+   *
+   * @param ifName Name of the network interface, e.g., wlan0
+   */
+  oneway onInterfaceCreated(string ifName);
+
+  /**
+   * Used to indicate that an interface has been removed.
+   *
+   * @param ifName Name of the network interface, e.g., wlan0
+   */
+  oneway onInterfaceRemoved(string ifName);
+};
diff --git a/wifi/1.0/ISupplicantIface.hal b/wifi/1.0/ISupplicantIface.hal
new file mode 100644
index 0000000..aba6f72
--- /dev/null
+++ b/wifi/1.0/ISupplicantIface.hal
@@ -0,0 +1,213 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.0;
+
+import ISupplicantIfaceCallback;
+import ISupplicantNetwork;
+
+/**
+ * Interface exposed by wpa_supplicant for each network interface (e.g wlan0)
+ * it controls.
+ */
+interface ISupplicantIface {
+  /**
+   * Retrieves the name of the network interface.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+   * @return name Name of the network interface, e.g., wlan0
+   */
+  getName() generates (SupplicantStatus status, string name);
+
+  /**
+   * Add a new network to the interface.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+   * @return network HIDL interface object representing the new network if
+   *         successful, null otherwise.
+   */
+  addNetwork()
+      generates (SupplicantStatus status, ISupplicantNetwork network);
+
+  /**
+   * Remove a network from the interface.
+   *
+   * Use |ISupplicantNetwork.getId()| on the corresponding network HIDL
+   * interface object to retrieve the ID.
+   *
+   * @param id Network ID allocated to the corresponding network.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_UNKNOWN|
+   */
+  removeNetwork(SupplicantNetworkId id)
+      generates (SupplicantStatus status);
+
+  /**
+   * Gets a HIDL interface object for the network corresponding to the
+   * |SupplicantNetworkId|.
+   *
+   * Use |ISupplicantNetwork.getId()| on the corresponding network HIDL
+   * interface object to retrieve the ID.
+   *
+   * @param id Network ID allocated to the corresponding network.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_UNKNOWN|
+   * @return network HIDL interface object representing the new network if
+   *         successful, null otherwise.
+   */
+  getNetwork(SupplicantNetworkId id)
+      generates (SupplicantStatus status, ISupplicantNetwork network);
+
+  /**
+   * Retrieve a list of all the network Id's controlled by wpa_supplicant.
+   *
+   * The corresponding |ISupplicantNetwork| object for any network can be
+   * retrieved using |getNetwork| method.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|
+   * @return networkIds List of all network Id's controlled by wpa_supplicant.
+   */
+  listNetworks()
+      generates (SupplicantStatus status, vec<SupplicantNetworkId> networkIds);
+
+  /**
+   * Register for callbacks from this interface.
+   *
+   * These callbacks are invoked for events that are specific to this interface.
+   * Registration of multiple callback objects is supported. These objects must
+   * be automatically deleted when the corresponding client process is dead or
+   * if this interface is removed.
+   *
+   * @param callback An instance of the |ISupplicantIfaceCallback| HIDL
+   *        interface object.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+   */
+  registerCallback(ISupplicantIfaceCallback callback)
+      generates (SupplicantStatus status);
+
+  /**
+   * Reconnect to the currently active network, even if we are already
+   * connected.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_DISABLED|
+   */
+  reassociate() generates (SupplicantStatus status);
+
+  /**
+   * Reconnect to the currently active network, if we are currently
+   * disconnected.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_DISABLED|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_NOT_DISCONNECTED|
+   */
+  reconnect() generates (SupplicantStatus status);
+
+  /**
+   * Disconnect from the current active network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_DISABLED|
+   */
+  disconnect() generates (SupplicantStatus status);
+
+  /**
+   * Turn on/off power save mode for the interface.
+   *
+   * @param enable Indicate if power save is to be turned on/off.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_DISABLED|
+   */
+  setPowerSave(bool enable) generates (SupplicantStatus status);
+
+  /**
+   * Initiate TDLS discover with the provided peer mac address.
+   *
+   * @param macAddress MAC address of the peer.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+   */
+  initiateTdlsDiscover(MacAddress macAddress)
+      generates (SupplicantStatus status);
+
+  /**
+   * Initiate TDLS setup with the provided peer mac address.
+   *
+   * @param macAddress MAC address of the peer.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+   */
+  initiateTdlsSetup(MacAddress macAddress)
+      generates (SupplicantStatus status);
+
+  /**
+   * Initiate TDLS teardown with the provided peer mac address.
+   *
+   * @param macAddress MAC address of the peer.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+   */
+  initiateTdlsTeardown(MacAddress macAddress)
+      generates (SupplicantStatus status);
+};
diff --git a/wifi/1.0/ISupplicantIfaceCallback.hal b/wifi/1.0/ISupplicantIfaceCallback.hal
new file mode 100644
index 0000000..2ab540d
--- /dev/null
+++ b/wifi/1.0/ISupplicantIfaceCallback.hal
@@ -0,0 +1,141 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.0;
+
+/**
+ * Callback Interface exposed by the wpa_supplicant service
+ * for each interface (ISupplicantIface).
+ *
+ * Clients need to host an instance of this HIDL interface object and
+ * pass a reference of the object to wpa_supplicant via the
+ * corresponding |ISupplicantIface.registerCallback| method.
+ */
+interface ISupplicantIfaceCallback {
+  /** Various states of the interface reported by |onStateChanged|.*/
+  enum State : uint32_t {
+    /**
+     * This state indicates that client is not associated, but is likely to
+     * start looking for an access point. This state is entered when a
+     * connection is lost.
+     */
+    DISCONNECTED = 0,
+    /**
+     * This state is entered if the network interface is disabled, e.g.,
+     * due to rfkill. wpa_supplicant refuses any new operations that would
+     * use the radio until the interface has been enabled.
+     */
+    INTERFACE_DISABLED = 1,
+    /**
+     * This state is entered if there are no enabled networks in the
+     * configuration. wpa_supplicant is not trying to associate with a new
+     * network and external interaction (e.g., ctrl_iface call to add or
+     * enable a network) is needed to start association.
+     */
+    INACTIVE = 2,
+    /**
+     * This state is entered when wpa_supplicant starts scanning for a
+     * network.
+     */
+    SCANNING = 3,
+    /**
+     * This state is entered when wpa_supplicant has found a suitable BSS
+     * to authenticate with and the driver is configured to try to
+     * authenticate with this BSS. This state is used only with drivers
+     * that use wpa_supplicant as the SME.
+     */
+    AUTHENTICATING = 4,
+    /**
+     * This state is entered when wpa_supplicant has found a suitable BSS
+     * to associate with and the driver is configured to try to associate
+     * with this BSS in ap_scan=1 mode. When using ap_scan=2 mode, this
+     * state is entered when the driver is configured to try to associate
+     * with a network using the configured SSID and security policy.
+     */
+    ASSOCIATING = 5,
+    /**
+     * This state is entered when the driver reports that association has
+     * been successfully completed with an AP. If IEEE 802.1X is used
+     * (with or without WPA/WPA2), wpa_supplicant remains in this state
+     * until the IEEE 802.1X/EAPOL authentication has been completed.
+     */
+    ASSOCIATED = 6,
+    /**
+     * This state is entered when WPA/WPA2 4-Way Handshake is started. In
+     * case of WPA-PSK, this happens when receiving the first EAPOL-Key
+     * frame after association. In case of WPA-EAP, this state is entered
+     * when the IEEE 802.1X/EAPOL authentication has been completed.
+     */
+    FOURWAY_HANDSHAKE = 7,
+    /**
+     * This state is entered when 4-Way Key Handshake has been completed
+     * (i.e., when the supplicant sends out message 4/4) and when Group
+     * Key rekeying is started by the AP (i.e., when supplicant receives
+     * message 1/2).
+     */
+    GROUP_HANDSHAKE = 8,
+    /**
+     * This state is entered when the full authentication process is
+     * completed. In case of WPA2, this happens when the 4-Way Handshake is
+     * successfully completed. With WPA, this state is entered after the
+     * Group Key Handshake; with IEEE 802.1X (non-WPA) connection is
+     * completed after dynamic keys are received (or if not used, after
+     * the EAP authentication has been completed). With static WEP keys and
+     * plaintext connections, this state is entered when an association
+     * has been completed.
+     *
+     * This state indicates that the supplicant has completed its
+     * processing for the association phase and that data connection is
+     * fully configured.
+     */
+    COMPLETED = 9
+  };
+
+  /**
+   * Used to indicate that a new network has been added.
+   *
+   * @param id Network ID allocated to the corresponding network.
+   */
+  oneway onNetworkAdded(SupplicantNetworkId id);
+
+  /**
+   * Used to indicate that a network has been removed.
+   *
+   * @param id Network ID allocated to the corresponding network.
+   */
+  oneway onNetworkRemoved(SupplicantNetworkId id);
+
+  /**
+   * Used to indicate a state change event on this particular iface. If this
+   * event is triggered by a particular network, the |SupplicantNetworkId|,
+   * |ssid|, |bssid| parameters must indicate the parameters of the network/AP
+   * which cased this state transition.
+   *
+   * @param newState New State of the interface. This must be one of the |State|
+   *        values above.
+   * @param bssid BSSID of the corresponding AP which caused this state
+   *        change event. This must be zero'ed if this event is not
+   *        specific to a particular network.
+   * @param id ID of the corresponding network which caused this
+   *        state change event. This must be invalid (UINT32_MAX) if this
+   *        event is not specific to a particular network.
+   * @param ssid SSID of the corresponding network which caused this state
+   *        change event. This must be empty if this event is not specific
+   *        to a particular network.
+   */
+  oneway onStateChanged(
+      State newState, Bssid bssid, SupplicantNetworkId id, Ssid ssid);
+};
diff --git a/wifi/1.0/ISupplicantNetwork.hal b/wifi/1.0/ISupplicantNetwork.hal
new file mode 100644
index 0000000..f816799
--- /dev/null
+++ b/wifi/1.0/ISupplicantNetwork.hal
@@ -0,0 +1,739 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.0;
+
+import ISupplicantNetworkCallback;
+
+/**
+ * Interface exposed by wpa_supplicant for each network configuration it
+ * controls.
+ * A network is wpa_supplicant's way of representing the configuration
+ * parameters of a Wifi service set. Service sets are identified by their
+ * service set identitifier (SSID). The parameters for a network includes the
+ * credentials, bssid, etc.
+ */
+interface ISupplicantNetwork {
+  /**
+   * Size limits for some of the params used in this interface.
+   */
+  enum ParamSizeLimits : uint32_t {
+    /** Max length of SSID param. */
+    SSID_MAX_LEN_IN_BYTES = 32,
+
+    /** Min length of PSK passphrase param. */
+    PSK_PASSPHRASE_MIN_LEN_IN_BYTES = 8,
+
+    /** Max length of PSK passphrase param. */
+    PSK_PASSPHRASE_MAX_LEN_IN_BYTES = 63,
+
+    /** Max number of WEP keys param. */
+    WEP_KEYS_MAX_NUM = 4,
+
+    /** Length of each WEP40 keys param. */
+    WEP40_KEY_LEN_IN_BYTES = 5,
+    /** Length of each WEP104 keys param. */
+    WEP104_KEY_LEN_IN_BYTES = 13,
+  };
+
+  /** Possble mask of values for KeyMgmt param. */
+  enum KeyMgmtMask : uint32_t {
+    WPA_EAP = 1 << 0,
+    WPA_PSK = 1 << 1,
+    NONE = 1 << 2,
+    IEEE8021X = 1 << 3
+  };
+
+  /** Possble mask of values for Proto param. */
+  enum ProtoMask : uint32_t {
+    WPA = 1 << 0,
+    RSN = 1 << 1,
+    /** Unused 1 << 2 */
+    OSEN = 1 << 3
+  };
+
+  /** Possble mask of values for AuthAlg param. */
+  enum AuthAlgMask : uint32_t {
+    OPEN = 1 << 0,
+    SHARED = 1 << 1,
+    LEAP = 1 << 2
+  };
+
+  /** Possble mask of values for GroupCipher param. */
+  enum GroupCipherMask : uint32_t {
+    WEP40 = 1 << 1,
+    WEP104 = 1 << 2,
+    TKIP = 1 << 3,
+    CCMP = 1 << 4
+  };
+
+  /** Possble mask of values for PairwiseCipher param. */
+  enum PairwiseCipherMask : uint32_t {
+    NONE = 1 << 0,
+    TKIP = 1 << 3,
+    CCMP = 1 << 4
+  };
+
+  /** Possble values for EapMethod param. */
+  enum EapMethod : uint32_t {
+    PEAP = 0,
+    TLS = 1,
+    TTLS = 2,
+    PWD = 3,
+    SIM = 4,
+    AKA = 5,
+    AKA_PRIME = 6,
+    WFA_UNAUTH_TLS = 7
+  };
+
+  /** Possble values for Phase2Method param. */
+  enum EapPhase2Method : uint32_t {
+    NONE = 0,
+    PAP = 1,
+    MSPAP = 2,
+    MSPAPV2 = 3,
+    GTC = 4
+  };
+
+  /** Params of |sendNetworkEapSimGsmAuthResponse| request. (Refer RFC 4186) */
+  struct NetworkResponseEapSimGsmAuthParams {
+    uint8_t[8] kc;
+    uint8_t[4] sres;
+  };
+
+  /** Params of |sendNetworkEapSimUmtsAuthResponse| request. (Refer RFC 4187) */
+  struct NetworkResponseEapSimUmtsAuthParams {
+    vec<uint8_t> res;
+    uint8_t[16] ik;
+    uint8_t[16] ck;
+  };
+
+  /**
+   * Retrieves the ID allocated to this network by wpa_supplicant.
+   *
+   * This is not the |SSID| of the network, but an internal identifier for
+   * this network used by wpa_supplicant.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return id Network ID.
+   */
+  getId() generates (SupplicantStatus status, SupplicantNetworkId id);
+
+  /**
+   * Retrieves the name of the interface this network belongs to.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return Name of the network interface, e.g., wlan0
+   */
+  getInterfaceName() generates (SupplicantStatus status, string name);
+
+  /**
+   * Register for callbacks from this network.
+   *
+   * These callbacks are invoked for events that are specific to this network.
+   * Registration of multiple callback objects is supported. These objects must
+   * be automatically deleted when the corresponding client process is dead or
+   * if this network is removed.
+   *
+   * @param callback An instance of the |ISupplicantNetworkCallback| HIDL
+   *        interface object.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  registerCallback(ISupplicantNetworkCallback callback)
+      generates (SupplicantStatus status);
+
+  /**
+   * Setters for the various network params.
+   * These correspond to elements of |wpa_sssid| struct used internally by
+   * wpa_supplicant to represent each network.
+   */
+  /**
+   * Set SSID for this network.
+   *
+   * @param ssid value to set.
+   *        Max length of |ParamSizeLimits.SSID_MAX_LEN_IN_BYTES|.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setSsid(Ssid ssid) generates (SupplicantStatus status);
+
+  /**
+   * Set the network to only connect to an AP with provided BSSID.
+   *
+   * @param bssid value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setBssid(Bssid bssid) generates (SupplicantStatus status);
+
+  /**
+   * Set whether to send probe requests for this network (hidden).
+   *
+   * @param enable true to set, false otherwise.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setScanSsid(bool enable) generates (SupplicantStatus status);
+
+  /**
+   * Set key management mask for the network.
+   *
+   * @param keyMgmtMask value to set.
+   *        Combination of |KeyMgmtMask| values.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setKeyMgmt(uint32_t keyMgmtMask) generates (SupplicantStatus status);
+
+  /**
+   * Set proto mask for the network.
+   *
+   * @param protoMask value to set.
+   *        Combination of |ProtoMask| values.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setProto(uint32_t protoMask) generates (SupplicantStatus status);
+
+  /**
+   * Set auth alg mask for the network.
+   *
+   * @param authAlgMask value to set.
+   *        Combination of |ProtoMask| values.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setAuthAlg(uint32_t authAlgMask) generates (SupplicantStatus status);
+
+  /**
+   * Set group cipher mask for the network.
+   *
+   * @param groupCipherMask value to set.
+   *        Combination of |ProtoMask| values.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setGroupCipher(uint32_t groupCipherMask)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set pairwise cipher mask for the network.
+   *
+   * @param pairwiseCipherMask value to set.
+   *        Combination of |ProtoMask| values.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setPairwiseCipher(uint32_t pairwiseCipherMask)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set passphrase for WPA_PSK network.
+   *
+   * @param psk value to set.
+   *        Length of value must be between
+   *        |ParamSizeLimits.PSK_PASSPHRASE_MIN_LEN_IN_BYTES| and
+   *        |ParamSizeLimits.PSK_PASSPHRASE_MAX_LEN_IN_BYTES|.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setPskPassphrase(string psk) generates (SupplicantStatus status);
+
+  /**
+   * Set WEP key for WEP network.
+   *
+   * @param keyIdx Index of wep key to set.
+   *        Max of |ParamSizeLimits.WEP_KEYS_MAX_NUM|.
+   * @param wepKey value to set.
+   *        Length of each key must be either
+   *        |ParamSizeLimits.WEP40_KEY_LEN_IN_BYTES| or
+   *        |ParamSizeLimits.WEP104_KEY_LEN_IN_BYTES|.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setWepKey(uint32_t keyIdx, vec<uint8_t> wepKey)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set default Tx key index for WEP network.
+   *
+   * @param KeyIdx value to set.
+   *        Max of |ParamSizeLimits.WEP_KEYS_MAX_NUM|.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setWepTxKeyIdx(uint32_t keyIdx)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set whether RequirePmf is enabled for this network.
+   *
+   * @param enable true to set, false otherwise.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setRequirePmf(bool enable) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Method for this network.
+   *
+   * @param method value to be set.
+   *        Must be one of |EapMethod| values.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapMethod(EapMethod method)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Phase2 Method for this network.
+   *
+   * @param method value to set.
+   *        Must be one of |EapPhase2Method| values.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapPhase2Method(EapPhase2Method method)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Identity for this network.
+   *
+   * @param identity value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapIdentity(vec<uint8_t> identity)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Anonymous Identity for this network.
+   *
+   * @param identity value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapAnonymousIdentity(vec<uint8_t> identity)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Password for this network.
+   *
+   * @param password value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapPassword(vec<uint8_t> password)
+      generates (SupplicantStatus status);
+
+  /**
+   * Set EAP CA certificate file path for this network.
+   *
+   * @param path value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapCACert(string path) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP CA certificate directory path for this network.
+   *
+   * @param path value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapCAPath(string path) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Client certificate file path for this network.
+   *
+   * @param path value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapClientCert(string path) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP private key file path for this network.
+   *
+   * @param path value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapPrivateKey(string path) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP subject match for this network.
+   *
+   * @param match value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapSubjectMatch(string match) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Altsubject match for this network.
+   *
+   * @param match value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapAltSubjectMatch(string match)
+      generates (SupplicantStatus status);
+
+  /**
+   * Enable EAP Open SSL Engine for this network.
+   *
+   * @param enable true to set, false otherwise.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapEngine(bool enable) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Open SSL Engine ID for this network.
+   *
+   * @param id value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapEngineID(string id) generates (SupplicantStatus status);
+
+  /**
+   * Set EAP Domain suffix match for this network.
+   *
+   * @param match value to set.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  setEapDomainSuffixMatch(string match)
+      generates (SupplicantStatus status);
+
+  /**
+   * Getters for the various network params.
+   */
+  /**
+   * Get SSID for this network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return ssid value set.
+   */
+  getSsid() generates (SupplicantStatus status, Ssid ssid);
+
+  /**
+   * Get the BSSID set for this network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return bssid value set.
+   */
+  getBssid() generates (SupplicantStatus status, Bssid bssid);
+
+  /**
+   * Get whether Probe Requests are being sent for this network (hidden).
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return enabled true if set, false otherwise.
+   */
+  getScanSsid() generates (SupplicantStatus status, bool enabled);
+
+  /**
+   * Get the key mgmt mask set for the network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return keyMgmtMask Combination of |KeyMgmtMask| values.
+   */
+  getKeyMgmt()
+      generates (SupplicantStatus status, uint32_t keyMgmtMask);
+
+  /**
+   * Get the proto mask set for the network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return protoMask Combination of |ProtoMask| values.
+   */
+  getProto() generates (SupplicantStatus status, uint32_t protoMask);
+
+  /**
+   * Get the auth alg mask set for the network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return authAlgMask Combination of |AuthAlgMask| values.
+   */
+  getAuthAlg()
+      generates (SupplicantStatus status, uint32_t authAlgMask);
+
+  /**
+   * Get the group cipher mask set for the network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return groupCipherMask Combination of |GroupCipherMask| values.
+   */
+  getGroupCipher()
+      generates (SupplicantStatus status, uint32_t groupCipherMask);
+
+  /**
+   * Get the pairwise cipher mask set for the network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return pairwiseCipherMask Combination of |PairwiseCipherMask| values.
+   */
+  getPairwiseCipher()
+      generates (SupplicantStatus status, uint32_t pairwiseCipherMask);
+
+  /**
+   * Get passphrase for WPA_PSK network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return psk value set.
+   */
+  getPskPassphrase() generates (SupplicantStatus status, string psk);
+
+  /**
+   * Get WEP key for WEP network.
+   *
+   * @param keyIdx Index of wep key to be fetched.
+   *        Max of |WEP_KEYS_MAX_NUM|.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return wepKey value set.
+   */
+  getWepKey(uint32_t keyIdx)
+      generates (SupplicantStatus status, vec<uint8_t> wepKey);
+
+  /**
+   * Get default Tx key index for WEP network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return keyIdx value set.
+   */
+  getWepTxKeyIdx()
+      generates (SupplicantStatus status, uint32_t keyIdx);
+
+  /**
+   * Get whether RequirePmf is enabled for this network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   * @return enabled true if set, false otherwise.
+   */
+  getRequirePmf() generates (SupplicantStatus status, bool enabled);
+
+  /**
+   * Enable the network for connection purposes.
+   *
+   * This must trigger a connection to the network if:
+   * a) |noConnect| is false, and
+   * b) This is the only network configured, and
+   * c) Is visible in the current scan results.
+   *
+   * @param noConnect Only enable the network, dont trigger a connect.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  enable(bool noConnect) generates (SupplicantStatus status);
+
+  /**
+   * Disable the network for connection purposes.
+   *
+   * This must trigger a disconnection from the network, if currently
+   * connected to this one.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  disable() generates (SupplicantStatus status);
+
+  /**
+   * Initiate connection to this network.
+   *
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  select() generates (SupplicantStatus status);
+
+  /**
+   * Used to send a response to the
+   * |ISupplicantNetworkCallback.onNetworkEapSimGsmAuthRequest| request.
+   *
+   * @param params Params to be used for EAP GSM authentication.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  sendNetworkEapSimGsmAuthResponse(NetworkResponseEapSimGsmAuthParams params)
+      generates (SupplicantStatus status);
+
+  /**
+   * Used to send a response to the
+   * |ISupplicantNetworkCallback.onNetworkEapSimUmtsAuthRequest| request.
+   *
+   * @param params Params to be used for EAP UMTS authentication.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  sendNetworkEapSimUmtsAuthResponse(NetworkResponseEapSimUmtsAuthParams params)
+      generates (SupplicantStatus status);
+
+  /**
+   * Used to send a response to the
+   * |ISupplicantNetworkCallback.onNetworkEapIdentityRequest| request.
+   *
+   * @param identity Identity to be used for the network.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_NETWORK_INVALID|
+   */
+  sendNetworkEapIdentityResponse(vec<uint8_t> identity)
+      generates (SupplicantStatus status);
+};
diff --git a/wifi/1.0/ISupplicantNetworkCallback.hal b/wifi/1.0/ISupplicantNetworkCallback.hal
new file mode 100644
index 0000000..2bdd716
--- /dev/null
+++ b/wifi/1.0/ISupplicantNetworkCallback.hal
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.wifi@1.0;
+
+/**
+ * Callback Interface exposed by the wpa_supplicant service
+ * for each network (ISupplicantNetwork).
+ *
+ * Clients need to host an instance of this HIDL interface object and
+ * pass a reference of the object to wpa_supplicant via the
+ * corresponding |ISupplicantNetwork.registerCallback| method.
+ */
+interface ISupplicantNetworkCallback {
+  /** Params of |onNetworkEapSimGsmAuthRequest| request. (Refer RFC 4186) */
+  typedef uint8_t[16] GsmRand;
+  struct NetworkRequestEapSimGsmAuthParams {
+    vec<GsmRand> rands;
+  };
+
+  /** Params of |onNetworkEapSimUmtsAuthRequest| request. (Refer RFC 4187) */
+  struct NetworkRequestEapSimUmtsAuthParams {
+    uint8_t[16] rand;
+    uint8_t[16] autn;
+  };
+
+  /**
+   * Used to request EAP GSM SIM authentication for this particular network.
+   *
+   * The response for the request must be sent using the corresponding
+   * |ISupplicantNetwork.sendNetworkEapSimGsmAuthResponse| call.
+   *
+   * @param params Params associated with the request.
+   */
+  oneway onNetworkEapSimGsmAuthRequest(
+      NetworkRequestEapSimGsmAuthParams params);
+
+  /**
+   * Used to request EAP UMTS SIM authentication for this particular network.
+   *
+   * The response for the request must be sent using the corresponding
+   * |ISupplicantNetwork.sendNetworkEapSimUmtsAuthResponse| call.
+   *
+   * @param params Params associated with the request.
+   */
+  oneway onNetworkEapSimUmtsAuthRequest(
+      NetworkRequestEapSimUmtsAuthParams params);
+
+  /**
+   * Used to request EAP Identity for this particular network.
+   *
+   * The response for the request must be sent using the corresponding
+   * |ISupplicantNetwork.sendNetworkEapIdentityResponse| call.
+   */
+  oneway onNetworkEapIdentityRequest();
+};
diff --git a/wifi/1.0/types.hal b/wifi/1.0/types.hal
index 49849ea..b737ccc 100644
--- a/wifi/1.0/types.hal
+++ b/wifi/1.0/types.hal
@@ -44,3 +44,54 @@
  * An identifier for a mode that the chip can be put in.
  */
 typedef uint32_t ChipModeId;
+
+/**
+ * Enum values indicating the status of any supplicant operation.
+ */
+enum SupplicantStatusCode : uint32_t {
+  /** No errors. */
+  SUCCESS,
+  /** Unknown failure occured. */
+  FAILURE_UNKNOWN,
+  /** One of the incoming args is invalid. */
+  FAILURE_ARGS_INVALID,
+  /** |ISupplicantIface| HIDL interface object is no longer valid. */
+  FAILURE_IFACE_INVALID,
+  /** Iface with the provided name does not exist. */
+  FAILURE_IFACE_UNKNOWN,
+  /** Iface with the provided name already exists. */
+  FAILURE_IFACE_EXISTS,
+  /** Iface is disabled and cannot be used. */
+  FAILURE_IFACE_DISABLED,
+  /** Iface is not currently disconnected, so cannot reconnect. */
+  FAILURE_IFACE_NOT_DISCONNECTED,
+  /** |ISupplicantNetwork| HIDL interface object is no longer valid. */
+  FAILURE_NETWORK_INVALID,
+  /** Network with the provided id does not exist. */
+  FAILURE_NETWORK_UNKNOWN
+};
+
+/**
+ * Generic structure to return the status of any supplicant operation.
+ */
+struct SupplicantStatus {
+  SupplicantStatusCode code;
+  /**
+   * A vendor specific error message to provide more information beyond the
+   * status code.
+   * This will be used for debbuging purposes only.
+   */
+  string debugMessage;
+};
+
+/** SSID type. Max of 32 octets representing service identifier of a network. */
+typedef vec<uint8_t> Ssid;
+
+/** MAC Address type. 6 octets representing physical address of a device. */
+typedef uint8_t[6] MacAddress;
+
+/** BSSID type. 6 octets representing the physical address of an AP. */
+typedef MacAddress Bssid;
+
+/** Supplicant network ID type. */
+typedef uint32_t SupplicantNetworkId;