diff --git a/wifi/supplicant/1.0/ISupplicantP2pIface.hal b/wifi/supplicant/1.0/ISupplicantP2pIface.hal
new file mode 100644
index 0000000..ea0878b
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+++ b/wifi/supplicant/1.0/ISupplicantP2pIface.hal
@@ -0,0 +1,45 @@
+/*
+ * 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.supplicant@1.0;
+
+import ISupplicantIface;
+import ISupplicantP2pIfaceCallback;
+
+/**
+ * Interface exposed by wpa_supplicant for each P2P mode network
+ * interface (e.g p2p0) it controls.
+ */
+interface ISupplicantP2pIface extends ISupplicantIface {
+  /**
+   * 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 |ISupplicantP2pIfaceCallback| HIDL
+   *        interface object.
+   * @return status Status of the operation.
+   *         Possible status codes:
+   *         |SupplicantStatusCode.SUCCESS|,
+   *         |SupplicantStatusCode.FAILURE_UNKNOWN|,
+   *         |SupplicantStatusCode.FAILURE_IFACE_INVALID|
+   */
+  registerCallback(ISupplicantP2pIfaceCallback callback)
+      generates (SupplicantStatus status);
+};