diff --git a/wifi/1.6/IWifiNanIface.hal b/wifi/1.6/IWifiNanIface.hal
index b92a880..7ffd278 100644
--- a/wifi/1.6/IWifiNanIface.hal
+++ b/wifi/1.6/IWifiNanIface.hal
@@ -17,8 +17,15 @@
 package android.hardware.wifi@1.6;
 
 import @1.0::WifiStatus;
+import @1.0::CommandIdShort;
+import @1.4::NanConfigRequest;
+import @1.4::NanEnableRequest;
 import @1.5::IWifiNanIface;
 import IWifiNanIfaceEventCallback;
+import NanConfigRequestSupplemental;
+import NanInitiateDataPathRequest;
+import NanPublishRequest;
+import NanRespondToDataPathIndicationRequest;
 
 /**
  * Interface used to represent a single NAN (Neighbour Aware Network) iface.
@@ -40,4 +47,109 @@
      *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|
      */
     registerEventCallback_1_6(IWifiNanIfaceEventCallback callback) generates (WifiStatus status);
+
+    /**
+     * Initiate a data-path (NDP) setup operation: Initiator.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyInitiateDataPathResponse|.
+     *
+     * Note: supersedes the @1.0::IWifiNanIface.respondToDataPathIndicationRequest() method which is
+     * deprecated as of HAL version 1.6.
+     *
+     * @param cmdId command Id to use for this invocation.
+     * @param msg Instance of |NanInitiateDataPathRequest|.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    initiateDataPathRequest_1_6(CommandIdShort cmdId, NanInitiateDataPathRequest msg)
+        generates (WifiStatus status);
+
+    /**
+     * Respond to a received data indication as part of a data-path (NDP) setup operation. An
+     * indication is received by the Responder from the Initiator.
+     * Asynchronous response is with
+     * |IWifiNanIfaceEventCallback.notifyRespondToDataPathIndicationResponse|.
+     *
+     * Note: supersedes the @1.0::IWifiNanIface.respondToDataPathIndicationRequest() method which is
+     * deprecated as of HAL version 1.6.
+     *
+     * @param cmdId command Id to use for this invocation.
+     * @param msg Instance of |NanRespondToDataPathIndicationRequest|.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    respondToDataPathIndicationRequest_1_6(CommandIdShort cmdId,
+        NanRespondToDataPathIndicationRequest msg) generates (WifiStatus status);
+
+    /**
+     * Enable NAN: configures and activates NAN clustering (does not start
+     * a discovery session or set up data-interfaces or data-paths). Use the
+     * |IWifiNanIface.configureRequest| method to change the configuration of an already enabled
+     * NAN interface.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyEnableResponse|.
+     *
+     * Note: supersedes the @1.5::IWifiNanIface.enableRequest() method which is deprecated as of
+     * HAL version 1.6.
+     *
+     * @param cmdId command Id to use for this invocation.
+     * @param msg1 Instance of |NanEnableRequest|.
+     * @param msg2 Instance of |NanConfigRequestSupplemental|.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    enableRequest_1_6(CommandIdShort cmdId, NanEnableRequest msg1,
+        NanConfigRequestSupplemental msg2) generates (WifiStatus status);
+
+    /**
+     * Configure NAN: configures an existing NAN functionality (i.e. assumes
+     * |IWifiNanIface.enableRequest| already submitted and succeeded).
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyConfigResponse|.
+     *
+     * Note: supersedes the @1.5::IWifiNanIface.configRequest() method which is deprecated as of
+     * HAL version 1.6.
+     *
+     * @param cmdId command Id to use for this invocation.
+     * @param msg1 Instance of |NanConfigRequest|.
+     * @param msg2 Instance of |NanConfigRequestSupplemental|.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_NOT_SUPPORTED|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    configRequest_1_6(CommandIdShort cmdId, NanConfigRequest msg1,
+        NanConfigRequestSupplemental msg2) generates (WifiStatus status);
+
+    /**
+     * Publish request to start advertising a discovery service.
+     * Asynchronous response is with |IWifiNanIfaceEventCallback.notifyStartPublishResponse|.
+     *
+     * Note: supersedes the @1.0::IWifiNanIface.startPublishRequest() method which is deprecated as
+     * of HAL version 1.6.
+     *
+     * @param cmdId command Id to use for this invocation.
+     * @param msg Instance of |NanPublishRequest|.
+     * @return status WifiStatus of the operation.
+     *         Possible status codes:
+     *         |WifiStatusCode.SUCCESS|,
+     *         |WifiStatusCode.ERROR_WIFI_IFACE_INVALID|,
+     *         |WifiStatusCode.ERROR_INVALID_ARGS|,
+     *         |WifiStatusCode.ERROR_UNKNOWN|
+     */
+    startPublishRequest_1_6(CommandIdShort cmdId, NanPublishRequest msg)
+        generates (WifiStatus status);
 };