diff --git a/wifi/1.4/default/hidl_struct_util.cpp b/wifi/1.4/default/hidl_struct_util.cpp
index 35c6839..a7c5686 100644
--- a/wifi/1.4/default/hidl_struct_util.cpp
+++ b/wifi/1.4/default/hidl_struct_util.cpp
@@ -1270,16 +1270,20 @@
         hidl_request.debugConfigs
             .useSdfInBandVal[(size_t)NanBandIndex::NAN_BAND_5GHZ];
 
+    /* TODO: b/145609058
+     * Missing updates needed to legacy_hal::NanEnableRequest and conversion to
+     * it for 6GHz band */
+
     return true;
 }
 
-bool convertHidlNanEnableRequest_1_2ToLegacy(
+bool convertHidlNanEnableRequest_1_4ToLegacy(
     const NanEnableRequest& hidl_request1,
     const V1_2::NanConfigRequestSupplemental& hidl_request2,
     legacy_hal::NanEnableRequest* legacy_request) {
     if (!legacy_request) {
         LOG(ERROR)
-            << "convertHidlNanEnableRequest_1_2ToLegacy: null legacy_request";
+            << "convertHidlNanEnableRequest_1_4ToLegacy: null legacy_request";
         return false;
     }
 
@@ -1780,16 +1784,19 @@
     legacy_request->config_dw.dw_5g_interval_val =
         hidl_request.bandSpecificConfig[(size_t)NanBandIndex::NAN_BAND_5GHZ]
             .discoveryWindowIntervalVal;
+    /* TODO: b/145609058
+     * Missing updates needed to legacy_hal::NanConfigRequest and conversion to
+     * it for 6GHz band */
 
     return true;
 }
 
-bool convertHidlNanConfigRequest_1_2ToLegacy(
+bool convertHidlNanConfigRequest_1_4ToLegacy(
     const NanConfigRequest& hidl_request1,
     const V1_2::NanConfigRequestSupplemental& hidl_request2,
     legacy_hal::NanConfigRequest* legacy_request) {
     if (!legacy_request) {
-        LOG(ERROR) << "convertHidlNanConfigRequest_1_2ToLegacy: legacy_request "
+        LOG(ERROR) << "convertHidlNanConfigRequest_1_4ToLegacy: legacy_request "
                       "is null";
         return false;
     }
diff --git a/wifi/1.4/default/hidl_struct_util.h b/wifi/1.4/default/hidl_struct_util.h
index 987891b..160870a 100644
--- a/wifi/1.4/default/hidl_struct_util.h
+++ b/wifi/1.4/default/hidl_struct_util.h
@@ -118,11 +118,11 @@
 bool convertHidlNanConfigRequestToLegacy(
     const NanConfigRequest& hidl_request,
     legacy_hal::NanConfigRequest* legacy_request);
-bool convertHidlNanEnableRequest_1_2ToLegacy(
+bool convertHidlNanEnableRequest_1_4ToLegacy(
     const NanEnableRequest& hidl_request1,
     const V1_2::NanConfigRequestSupplemental& hidl_request2,
     legacy_hal::NanEnableRequest* legacy_request);
-bool convertHidlNanConfigRequest_1_2ToLegacy(
+bool convertHidlNanConfigRequest_1_4ToLegacy(
     const NanConfigRequest& hidl_request1,
     const V1_2::NanConfigRequestSupplemental& hidl_request2,
     legacy_hal::NanConfigRequest* legacy_request);
diff --git a/wifi/1.4/default/tests/wifi_chip_unit_tests.cpp b/wifi/1.4/default/tests/wifi_chip_unit_tests.cpp
index 90e81e1..d35adbc 100644
--- a/wifi/1.4/default/tests/wifi_chip_unit_tests.cpp
+++ b/wifi/1.4/default/tests/wifi_chip_unit_tests.cpp
@@ -720,13 +720,16 @@
             ASSERT_EQ(iface_names[0], "wlan0");
         });
     // Retrieve the exact iface object.
-    sp<IWifiNanIface> nan_iface;
-    chip_->getNanIface("wlan0", [&nan_iface](const WifiStatus& status,
-                                             const sp<IWifiNanIface>& iface) {
-        ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
-        ASSERT_NE(iface.get(), nullptr);
-        nan_iface = iface;
-    });
+    sp<android::hardware::wifi::V1_0::IWifiNanIface> nan_iface;
+    chip_->getNanIface(
+        "wlan0",
+        [&nan_iface](
+            const WifiStatus& status,
+            const sp<android::hardware::wifi::V1_0::IWifiNanIface>& iface) {
+            ASSERT_EQ(WifiStatusCode::SUCCESS, status.code);
+            ASSERT_NE(iface.get(), nullptr);
+            nan_iface = iface;
+        });
 
     // Remove the STA iface.
     removeIface(IfaceType::STA, "wlan0");
diff --git a/wifi/1.4/default/tests/wifi_nan_iface_unit_tests.cpp b/wifi/1.4/default/tests/wifi_nan_iface_unit_tests.cpp
index 8aefa92..9022792 100644
--- a/wifi/1.4/default/tests/wifi_nan_iface_unit_tests.cpp
+++ b/wifi/1.4/default/tests/wifi_nan_iface_unit_tests.cpp
@@ -41,6 +41,9 @@
 namespace V1_4 {
 namespace implementation {
 
+using android::hardware::wifi::V1_2::IWifiNanIfaceEventCallback;
+using android::hardware::wifi::V1_2::NanDataPathConfirmInd;
+
 bool CaptureIfaceEventHandlers(
     const std::string& /* iface_name*/,
     iface_util::IfaceEventHandlers in_iface_event_handlers,
@@ -96,9 +99,15 @@
                  Return<void>(uint16_t, const WifiNanStatus&));
     MOCK_METHOD1(eventDataPathRequest,
                  Return<void>(const NanDataPathRequestInd&));
-    MOCK_METHOD1(eventDataPathConfirm,
-                 Return<void>(const NanDataPathConfirmInd&));
+    MOCK_METHOD1(
+        eventDataPathConfirm,
+        Return<void>(
+            const android::hardware::wifi::V1_0::NanDataPathConfirmInd&));
     MOCK_METHOD1(eventDataPathTerminated, Return<void>(uint32_t));
+    MOCK_METHOD1(eventDataPathConfirm_1_2,
+                 Return<void>(const NanDataPathConfirmInd&));
+    MOCK_METHOD1(eventDataPathScheduleUpdate,
+                 Return<void>(const NanDataPathScheduleUpdateInd&));
 };
 
 class WifiNanIfaceTest : public Test {
diff --git a/wifi/1.4/default/wifi_nan_iface.cpp b/wifi/1.4/default/wifi_nan_iface.cpp
index 981acb2..073101c 100644
--- a/wifi/1.4/default/wifi_nan_iface.cpp
+++ b/wifi/1.4/default/wifi_nan_iface.cpp
@@ -576,7 +576,7 @@
 }
 
 Return<void> WifiNanIface::enableRequest(uint16_t cmd_id,
-                                         const NanEnableRequest& msg,
+                                         const V1_0::NanEnableRequest& msg,
                                          enableRequest_cb hidl_status_cb) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
                            &WifiNanIface::enableRequestInternal, hidl_status_cb,
@@ -584,7 +584,7 @@
 }
 
 Return<void> WifiNanIface::configRequest(uint16_t cmd_id,
-                                         const NanConfigRequest& msg,
+                                         const V1_0::NanConfigRequest& msg,
                                          configRequest_cb hidl_status_cb) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
                            &WifiNanIface::configRequestInternal, hidl_status_cb,
@@ -687,7 +687,7 @@
 }
 
 Return<void> WifiNanIface::enableRequest_1_2(
-    uint16_t cmd_id, const NanEnableRequest& msg1,
+    uint16_t cmd_id, const V1_0::NanEnableRequest& msg1,
     const V1_2::NanConfigRequestSupplemental& msg2,
     enableRequest_1_2_cb hidl_status_cb) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
@@ -696,7 +696,7 @@
 }
 
 Return<void> WifiNanIface::configRequest_1_2(
-    uint16_t cmd_id, const NanConfigRequest& msg1,
+    uint16_t cmd_id, const V1_0::NanConfigRequest& msg1,
     const V1_2::NanConfigRequestSupplemental& msg2,
     configRequest_1_2_cb hidl_status_cb) {
     return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
@@ -704,6 +704,24 @@
                            hidl_status_cb, cmd_id, msg1, msg2);
 }
 
+Return<void> WifiNanIface::enableRequest_1_4(
+    uint16_t cmd_id, const NanEnableRequest& msg1,
+    const V1_2::NanConfigRequestSupplemental& msg2,
+    enableRequest_1_4_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::enableRequest_1_4Internal,
+                           hidl_status_cb, cmd_id, msg1, msg2);
+}
+
+Return<void> WifiNanIface::configRequest_1_4(
+    uint16_t cmd_id, const NanConfigRequest& msg1,
+    const V1_2::NanConfigRequestSupplemental& msg2,
+    configRequest_1_4_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiNanIface::configRequest_1_4Internal,
+                           hidl_status_cb, cmd_id, msg1, msg2);
+}
+
 std::pair<WifiStatus, std::string> WifiNanIface::getNameInternal() {
     return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
 }
@@ -727,12 +745,12 @@
 }
 
 WifiStatus WifiNanIface::enableRequestInternal(
-    uint16_t /* cmd_id */, const NanEnableRequest& /* msg */) {
+    uint16_t /* cmd_id */, const V1_0::NanEnableRequest& /* msg */) {
     return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
 }
 
 WifiStatus WifiNanIface::configRequestInternal(
-    uint16_t /* cmd_id */, const NanConfigRequest& /* msg */) {
+    uint16_t /* cmd_id */, const V1_0::NanConfigRequest& /* msg */) {
     return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
 }
 
@@ -855,10 +873,22 @@
 }
 
 WifiStatus WifiNanIface::enableRequest_1_2Internal(
+    uint16_t /* cmd_id */, const V1_0::NanEnableRequest& /* msg1 */,
+    const V1_2::NanConfigRequestSupplemental& /*msg2 */) {
+    return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
+}
+
+WifiStatus WifiNanIface::configRequest_1_2Internal(
+    uint16_t /* cmd_id */, const V1_0::NanConfigRequest& /* msg1 */,
+    const V1_2::NanConfigRequestSupplemental& /* msg2 */) {
+    return createWifiStatus(WifiStatusCode::ERROR_NOT_SUPPORTED);
+}
+
+WifiStatus WifiNanIface::enableRequest_1_4Internal(
     uint16_t cmd_id, const NanEnableRequest& msg1,
     const V1_2::NanConfigRequestSupplemental& msg2) {
     legacy_hal::NanEnableRequest legacy_msg;
-    if (!hidl_struct_util::convertHidlNanEnableRequest_1_2ToLegacy(
+    if (!hidl_struct_util::convertHidlNanEnableRequest_1_4ToLegacy(
             msg1, msg2, &legacy_msg)) {
         return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
     }
@@ -867,11 +897,11 @@
     return createWifiStatusFromLegacyError(legacy_status);
 }
 
-WifiStatus WifiNanIface::configRequest_1_2Internal(
+WifiStatus WifiNanIface::configRequest_1_4Internal(
     uint16_t cmd_id, const NanConfigRequest& msg1,
     const V1_2::NanConfigRequestSupplemental& msg2) {
     legacy_hal::NanConfigRequest legacy_msg;
-    if (!hidl_struct_util::convertHidlNanConfigRequest_1_2ToLegacy(
+    if (!hidl_struct_util::convertHidlNanConfigRequest_1_4ToLegacy(
             msg1, msg2, &legacy_msg)) {
         return createWifiStatus(WifiStatusCode::ERROR_INVALID_ARGS);
     }
diff --git a/wifi/1.4/default/wifi_nan_iface.h b/wifi/1.4/default/wifi_nan_iface.h
index e3a5c34..c16628b 100644
--- a/wifi/1.4/default/wifi_nan_iface.h
+++ b/wifi/1.4/default/wifi_nan_iface.h
@@ -19,7 +19,7 @@
 
 #include <android-base/macros.h>
 #include <android/hardware/wifi/1.0/IWifiNanIfaceEventCallback.h>
-#include <android/hardware/wifi/1.2/IWifiNanIface.h>
+#include <android/hardware/wifi/1.4/IWifiNanIface.h>
 
 #include "hidl_callback_util.h"
 #include "wifi_iface_util.h"
@@ -31,11 +31,12 @@
 namespace V1_4 {
 namespace implementation {
 using namespace android::hardware::wifi::V1_0;
+using namespace android::hardware::wifi::V1_2;
 
 /**
  * HIDL interface object used to control a NAN Iface instance.
  */
-class WifiNanIface : public V1_2::IWifiNanIface {
+class WifiNanIface : public V1_4::IWifiNanIface {
    public:
     WifiNanIface(const std::string& ifname,
                  const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
@@ -53,9 +54,11 @@
         registerEventCallback_cb hidl_status_cb) override;
     Return<void> getCapabilitiesRequest(
         uint16_t cmd_id, getCapabilitiesRequest_cb hidl_status_cb) override;
-    Return<void> enableRequest(uint16_t cmd_id, const NanEnableRequest& msg,
+    Return<void> enableRequest(uint16_t cmd_id,
+                               const V1_0::NanEnableRequest& msg,
                                enableRequest_cb hidl_status_cb) override;
-    Return<void> configRequest(uint16_t cmd_id, const NanConfigRequest& msg,
+    Return<void> configRequest(uint16_t cmd_id,
+                               const V1_0::NanConfigRequest& msg,
                                configRequest_cb hidl_status_cb) override;
     Return<void> disableRequest(uint16_t cmd_id,
                                 disableRequest_cb hidl_status_cb) override;
@@ -94,10 +97,18 @@
         const sp<V1_2::IWifiNanIfaceEventCallback>& callback,
         registerEventCallback_1_2_cb hidl_status_cb) override;
     Return<void> enableRequest_1_2(
-        uint16_t cmd_id, const NanEnableRequest& msg1,
+        uint16_t cmd_id, const V1_0::NanEnableRequest& msg1,
         const V1_2::NanConfigRequestSupplemental& msg2,
         enableRequest_1_2_cb hidl_status_cb) override;
     Return<void> configRequest_1_2(
+        uint16_t cmd_id, const V1_0::NanConfigRequest& msg1,
+        const V1_2::NanConfigRequestSupplemental& msg2,
+        configRequest_1_2_cb hidl_status_cb) override;
+    Return<void> enableRequest_1_4(
+        uint16_t cmd_id, const NanEnableRequest& msg1,
+        const V1_2::NanConfigRequestSupplemental& msg2,
+        enableRequest_1_2_cb hidl_status_cb) override;
+    Return<void> configRequest_1_4(
         uint16_t cmd_id, const NanConfigRequest& msg1,
         const V1_2::NanConfigRequestSupplemental& msg2,
         configRequest_1_2_cb hidl_status_cb) override;
@@ -110,9 +121,9 @@
         const sp<V1_0::IWifiNanIfaceEventCallback>& callback);
     WifiStatus getCapabilitiesRequestInternal(uint16_t cmd_id);
     WifiStatus enableRequestInternal(uint16_t cmd_id,
-                                     const NanEnableRequest& msg);
+                                     const V1_0::NanEnableRequest& msg);
     WifiStatus configRequestInternal(uint16_t cmd_id,
-                                     const NanConfigRequest& msg);
+                                     const V1_0::NanConfigRequest& msg);
     WifiStatus disableRequestInternal(uint16_t cmd_id);
     WifiStatus startPublishRequestInternal(uint16_t cmd_id,
                                            const NanPublishRequest& msg);
@@ -136,9 +147,15 @@
     WifiStatus registerEventCallback_1_2Internal(
         const sp<V1_2::IWifiNanIfaceEventCallback>& callback);
     WifiStatus enableRequest_1_2Internal(
-        uint16_t cmd_id, const NanEnableRequest& msg1,
+        uint16_t cmd_id, const V1_0::NanEnableRequest& msg1,
         const V1_2::NanConfigRequestSupplemental& msg2);
     WifiStatus configRequest_1_2Internal(
+        uint16_t cmd_id, const V1_0::NanConfigRequest& msg,
+        const V1_2::NanConfigRequestSupplemental& msg2);
+    WifiStatus enableRequest_1_4Internal(
+        uint16_t cmd_id, const NanEnableRequest& msg1,
+        const V1_2::NanConfigRequestSupplemental& msg2);
+    WifiStatus configRequest_1_4Internal(
         uint16_t cmd_id, const NanConfigRequest& msg,
         const V1_2::NanConfigRequestSupplemental& msg2);