diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl
index 5465a86b13..e19ae4460d 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl
@@ -45,4 +45,5 @@ parcelable P2pGroupStartedEventParams {
   byte[6] goInterfaceAddress;
   boolean isP2pClientEapolIpAddressInfoPresent;
   android.hardware.wifi.supplicant.P2pClientEapolIpAddressInfo p2pClientIpInfo;
+  @nullable android.hardware.wifi.common.OuiKeyedData[] vendorData;
 }
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
index 90e9f5e3eb..5c7c393b4b 100644
--- 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
@@ -37,4 +37,5 @@ parcelable P2pPeerClientDisconnectedEventParams {
   String groupInterfaceName;
   byte[6] clientInterfaceAddress;
   byte[6] clientDeviceAddress;
+  @nullable android.hardware.wifi.common.OuiKeyedData[] vendorData;
 }
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
index 800f5b3593..40c8ff6d8a 100644
--- 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
@@ -38,4 +38,5 @@ parcelable P2pPeerClientJoinedEventParams {
   byte[6] clientInterfaceAddress;
   byte[6] clientDeviceAddress;
   int clientIpAddress;
+  @nullable android.hardware.wifi.common.OuiKeyedData[] vendorData;
 }
diff --git a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl
index 587c7c670c..0ff06536b3 100644
--- a/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl
+++ b/wifi/supplicant/aidl/aidl_api/android.hardware.wifi.supplicant/current/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl
@@ -40,4 +40,5 @@ parcelable P2pProvisionDiscoveryCompletedEventParams {
   android.hardware.wifi.supplicant.WpsConfigMethods configMethods;
   String generatedPin;
   String groupInterfaceName;
+  @nullable android.hardware.wifi.common.OuiKeyedData[] vendorData;
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl
index 96f1e16793..9db7a1eeda 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pGroupStartedEventParams.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.wifi.supplicant;
 
+import android.hardware.wifi.common.OuiKeyedData;
 import android.hardware.wifi.supplicant.P2pClientEapolIpAddressInfo;
 
 /**
@@ -63,4 +64,10 @@ parcelable P2pGroupStartedEventParams {
      * The value is undefined if isP2pClientEapolIpAddressInfoPresent is false.
      */
     P2pClientEapolIpAddressInfo p2pClientIpInfo;
+
+    /**
+     * Optional vendor-specific parameters. Null value indicates
+     * that no vendor data is provided.
+     */
+    @nullable OuiKeyedData[] vendorData;
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl
index 936efd1fa6..6e3350f621 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientDisconnectedEventParams.aidl
@@ -16,6 +16,8 @@
 
 package android.hardware.wifi.supplicant;
 
+import android.hardware.wifi.common.OuiKeyedData;
+
 /**
  * Parameters passed as a part of P2P peer client disconnected event.
  */
@@ -29,4 +31,10 @@ parcelable P2pPeerClientDisconnectedEventParams {
 
     /** P2P device interface MAC address of the client that disconnected. */
     byte[6] clientDeviceAddress;
+
+    /**
+     * Optional vendor-specific parameters. Null value indicates
+     * that no vendor data is provided.
+     */
+    @nullable OuiKeyedData[] vendorData;
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl
index 7eae2e5a7f..4f46d705a0 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pPeerClientJoinedEventParams.aidl
@@ -16,6 +16,8 @@
 
 package android.hardware.wifi.supplicant;
 
+import android.hardware.wifi.common.OuiKeyedData;
+
 /**
  * Parameters passed as a part of P2P peer client joined event.
  */
@@ -39,4 +41,10 @@ parcelable P2pPeerClientJoinedEventParams {
      * The value is set to zero if the IP address is not allocated via EAPOL exchange.
      */
     int clientIpAddress;
+
+    /**
+     * Optional vendor-specific parameters. Null value indicates
+     * that no vendor data is provided.
+     */
+    @nullable OuiKeyedData[] vendorData;
 }
diff --git a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl
index 7fa7f226ac..b559216611 100644
--- a/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl
+++ b/wifi/supplicant/aidl/android/hardware/wifi/supplicant/P2pProvisionDiscoveryCompletedEventParams.aidl
@@ -16,6 +16,7 @@
 
 package android.hardware.wifi.supplicant;
 
+import android.hardware.wifi.common.OuiKeyedData;
 import android.hardware.wifi.supplicant.P2pProvDiscStatusCode;
 import android.hardware.wifi.supplicant.WpsConfigMethods;
 
@@ -45,4 +46,9 @@ parcelable P2pProvisionDiscoveryCompletedEventParams {
      * Refer to WFA Wi-Fi_Direct_Specification_v1.9 section 3.2.1 for more details.
      */
     String groupInterfaceName;
+    /**
+     * Optional vendor-specific parameters. Null value indicates
+     * that no vendor data is provided.
+     */
+    @nullable OuiKeyedData[] vendorData;
 }