diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
index da3ca52897..80d8546706 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
@@ -48,9 +48,17 @@ interface ISupplicantP2pIfaceCallback {
   oneway void onProvisionDiscoveryCompleted(in byte[] p2pDeviceAddress, in boolean isRequest, in android.hardware.wifi.supplicant.P2pProvDiscStatusCode status, in android.hardware.wifi.supplicant.WpsConfigMethods configMethods, in String generatedPin);
   oneway void onR2DeviceFound(in byte[] srcAddress, in byte[] p2pDeviceAddress, in byte[] primaryDeviceType, in String deviceName, in android.hardware.wifi.supplicant.WpsConfigMethods configMethods, in byte deviceCapabilities, in android.hardware.wifi.supplicant.P2pGroupCapabilityMask groupCapabilities, in byte[] wfdDeviceInfo, in byte[] wfdR2DeviceInfo);
   oneway void onServiceDiscoveryResponse(in byte[] srcAddress, in char updateIndicator, in byte[] tlvs);
+  /**
+   * @deprecated This callback is deprecated from AIDL v3, newer HAL should call onPeerClientJoined()
+   */
   oneway void onStaAuthorized(in byte[] srcAddress, in byte[] p2pDeviceAddress);
+  /**
+   * @deprecated This callback is deprecated from AIDL v3, newer HAL should call onPeerClientDisconnected()
+   */
   oneway void onStaDeauthorized(in byte[] srcAddress, in byte[] p2pDeviceAddress);
   oneway void onGroupFrequencyChanged(in String groupIfname, in int frequency);
   oneway void onDeviceFoundWithVendorElements(in byte[] srcAddress, in byte[] p2pDeviceAddress, in byte[] primaryDeviceType, in String deviceName, in android.hardware.wifi.supplicant.WpsConfigMethods configMethods, in byte deviceCapabilities, in android.hardware.wifi.supplicant.P2pGroupCapabilityMask groupCapabilities, in byte[] wfdDeviceInfo, in byte[] wfdR2DeviceInfo, in byte[] vendorElemBytes);
   oneway void onGroupStartedWithParams(in android.hardware.wifi.supplicant.P2pGroupStartedEventParams groupStartedEventParams);
+  oneway void onPeerClientJoined(in android.hardware.wifi.supplicant.P2pPeerClientJoinedEventParams clientJoinedEventParams);
+  oneway void onPeerClientDisconnected(in android.hardware.wifi.supplicant.P2pPeerClientDisconnectedEventParams clientDisconnectedEventParams);
 }
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl
new file mode 100644
index 0000000000..90e9f5e3eb
--- /dev/null
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.wifi.supplicant;
+@VintfStability
+parcelable P2pPeerClientDisconnectedEventParams {
+  String groupInterfaceName;
+  byte[6] clientInterfaceAddress;
+  byte[6] clientDeviceAddress;
+}
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl
new file mode 100644
index 0000000000..800f5b3593
--- /dev/null
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2023 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.
+ */
+///////////////////////////////////////////////////////////////////////////////
+// THIS FILE IS IMMUTABLE. DO NOT EDIT IN ANY CASE.                          //
+///////////////////////////////////////////////////////////////////////////////
+
+// This file is a snapshot of an AIDL file. Do not edit it manually. There are
+// two cases:
+// 1). this is a frozen version file - do not edit this in any case.
+// 2). this is a 'current' file. If you make a backwards compatible change to
+//     the interface (from the latest frozen version), the build system will
+//     prompt you to update this file with `m <name>-update-api`.
+//
+// You must not make a backward incompatible change to any AIDL file built
+// with the aidl_interface module type with versions property set. The module
+// type is used to build AIDL files in a way that they can be used across
+// independently updatable components of the system. If a device is shipped
+// with such a backward incompatible change, it has a high risk of breaking
+// later when a module using the interface is updated, e.g., Mainline modules.
+
+package android.hardware.wifi.supplicant;
+@VintfStability
+parcelable P2pPeerClientJoinedEventParams {
+  String groupInterfaceName;
+  byte[6] clientInterfaceAddress;
+  byte[6] clientDeviceAddress;
+  int clientIpAddress;
+}
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
index 9d6fa678b8..810fe483a2 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/ISupplicantP2pIfaceCallback.aidl
@@ -18,6 +18,8 @@ package android.hardware.wifi.supplicant;
 
 import android.hardware.wifi.supplicant.P2pGroupCapabilityMask;
 import android.hardware.wifi.supplicant.P2pGroupStartedEventParams;
+import android.hardware.wifi.supplicant.P2pPeerClientDisconnectedEventParams;
+import android.hardware.wifi.supplicant.P2pPeerClientJoinedEventParams;
 import android.hardware.wifi.supplicant.P2pProvDiscStatusCode;
 import android.hardware.wifi.supplicant.P2pStatusCode;
 import android.hardware.wifi.supplicant.WpsConfigMethods;
@@ -192,6 +194,9 @@ oneway interface ISupplicantP2pIfaceCallback {
 
     /**
      * Used to indicate when a STA device is connected to this device.
+     * <p>
+     * @deprecated This callback is deprecated from AIDL v3, newer HAL should call
+     * onPeerClientJoined()
      *
      * @param srcAddress MAC address of the device that was authorized.
      * @param p2pDeviceAddress P2P device address.
@@ -200,6 +205,9 @@ oneway interface ISupplicantP2pIfaceCallback {
 
     /**
      * Used to indicate when a STA device is disconnected from this device.
+     * <p>
+     * @deprecated This callback is deprecated from AIDL v3, newer HAL should call
+     * onPeerClientDisconnected()
      *
      * @param srcAddress MAC address of the device that was deauthorized.
      * @param p2pDeviceAddress P2P device address.
@@ -251,4 +259,20 @@ oneway interface ISupplicantP2pIfaceCallback {
      * @param groupStartedEventParams Parameters describing the P2P group.
      */
     void onGroupStartedWithParams(in P2pGroupStartedEventParams groupStartedEventParams);
+
+    /**
+     * Used to indicate that a P2P client has joined this device group owner.
+     *
+     * @param clientJoinedEventParams Parameters associated with peer client joined event.
+     */
+    void onPeerClientJoined(in P2pPeerClientJoinedEventParams clientJoinedEventParams);
+
+    /**
+     * Used to indicate that a P2P client has disconnected from this device group owner.
+     *
+     * @param clientDisconnectedEventParams Parameters associated with peer client disconnected
+     *         event.
+     */
+    void onPeerClientDisconnected(
+            in P2pPeerClientDisconnectedEventParams clientDisconnectedEventParams);
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl
new file mode 100644
index 0000000000..936efd1fa6
--- /dev/null
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2023 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;
+
+/**
+ * Parameters passed as a part of P2P peer client disconnected event.
+ */
+@VintfStability
+parcelable P2pPeerClientDisconnectedEventParams {
+    /** Interface name of this device group owner. (For ex: p2p-p2p0-1) */
+    String groupInterfaceName;
+
+    /** P2P group interface MAC address of the client that disconnected. */
+    byte[6] clientInterfaceAddress;
+
+    /** P2P device interface MAC address of the client that disconnected. */
+    byte[6] clientDeviceAddress;
+}
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl
new file mode 100644
index 0000000000..7eae2e5a7f
--- /dev/null
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2023 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;
+
+/**
+ * Parameters passed as a part of P2P peer client joined event.
+ */
+@VintfStability
+parcelable P2pPeerClientJoinedEventParams {
+    /** Interface name of this device group owner. (For ex: p2p-p2p0-1) */
+    String groupInterfaceName;
+
+    /** P2P group interface MAC address of the client that joined. */
+    byte[6] clientInterfaceAddress;
+
+    /** P2P device interface MAC address of the client that joined. */
+    byte[6] clientDeviceAddress;
+
+    /**
+     * The P2P Client IPV4 address allocated via EAPOL exchange.
+     * The higher-order address bytes are in the lower-order int bytes
+     * (e.g. 1.2.3.4 is represented as 0x04030201).
+     * Refer Wi-Fi P2P Technical Specification v1.7 - Section  4.2.8
+     * "IP Address Allocation in EAPOL-Key Frames (4-Way Handshake)" for more details.
+     * The value is set to zero if the IP address is not allocated via EAPOL exchange.
+     */
+    int clientIpAddress;
+}
diff --git a/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp b/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp
index a260408c8c..d3dd2e026d 100644
--- a/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp
+++ b/wifi/supplicant/aidl/vts/functional/supplicant_p2p_iface_aidl_test.cpp
@@ -38,6 +38,8 @@ using aidl::android::hardware::wifi::supplicant::MiracastMode;
 using aidl::android::hardware::wifi::supplicant::P2pFrameTypeMask;
 using aidl::android::hardware::wifi::supplicant::P2pGroupCapabilityMask;
 using aidl::android::hardware::wifi::supplicant::P2pGroupStartedEventParams;
+using aidl::android::hardware::wifi::supplicant::P2pPeerClientDisconnectedEventParams;
+using aidl::android::hardware::wifi::supplicant::P2pPeerClientJoinedEventParams;
 using aidl::android::hardware::wifi::supplicant::P2pProvDiscStatusCode;
 using aidl::android::hardware::wifi::supplicant::P2pStatusCode;
 using aidl::android::hardware::wifi::supplicant::SupplicantStatusCode;
@@ -182,6 +184,15 @@ class SupplicantP2pIfaceCallback : public BnSupplicantP2pIfaceCallback {
             const P2pGroupStartedEventParams& /* groupStartedEventParams */) override {
         return ndk::ScopedAStatus::ok();
     }
+    ::ndk::ScopedAStatus onPeerClientJoined(
+            const P2pPeerClientJoinedEventParams& /* clientJoinedEventParams */) override {
+        return ndk::ScopedAStatus::ok();
+    }
+    ::ndk::ScopedAStatus onPeerClientDisconnected(
+            const P2pPeerClientDisconnectedEventParams& /* clientDisconnectedEventParams */)
+            override {
+        return ndk::ScopedAStatus::ok();
+    }
 };
 
 class SupplicantP2pIfaceAidlTest : public testing::TestWithParam<std::string> {