Add IWifiApIface@1.4 (configurable MAC address)

Mirrors the methods and tests introduced in IWifiStaIface@1.2 and @1.3.

Android.bp generated with
$ hidl-gen -o . -Landroidbp -randroid.hardware:hardware/interfaces android.hardware.wifi@1.4

Bug: 132705022
Test: make vts && vts-tradefed run vts-host --skip-preconditions --primary-abi-only --module VtsHalWifiV1_4Host
Change-Id: Iddacd2770c59522001673d10daafd3bbed3844f6
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 2ad093a..b0357ba 100644
--- a/wifi/1.4/default/tests/wifi_chip_unit_tests.cpp
+++ b/wifi/1.4/default/tests/wifi_chip_unit_tests.cpp
@@ -173,8 +173,9 @@
     std::string createIface(const IfaceType& type) {
         std::string iface_name;
         if (type == IfaceType::AP) {
-            chip_->createApIface([&iface_name](const WifiStatus& status,
-                                               const sp<IWifiApIface>& iface) {
+            chip_->createApIface([&iface_name](
+                                     const WifiStatus& status,
+                                     const sp<V1_0::IWifiApIface>& iface) {
                 if (WifiStatusCode::SUCCESS == status.code) {
                     ASSERT_NE(iface.get(), nullptr);
                     iface->getName([&iface_name](const WifiStatus& status,
diff --git a/wifi/1.4/default/wifi_ap_iface.cpp b/wifi/1.4/default/wifi_ap_iface.cpp
index 13ce2dd..b860910 100644
--- a/wifi/1.4/default/wifi_ap_iface.cpp
+++ b/wifi/1.4/default/wifi_ap_iface.cpp
@@ -85,6 +85,20 @@
                            hidl_status_cb, band);
 }
 
+Return<void> WifiApIface::setMacAddress(const hidl_array<uint8_t, 6>& mac,
+                                        setMacAddress_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiApIface::setMacAddressInternal, hidl_status_cb,
+                           mac);
+}
+
+Return<void> WifiApIface::getFactoryMacAddress(
+    getFactoryMacAddress_cb hidl_status_cb) {
+    return validateAndCall(this, WifiStatusCode::ERROR_WIFI_IFACE_INVALID,
+                           &WifiApIface::getFactoryMacAddressInternal,
+                           hidl_status_cb);
+}
+
 std::pair<WifiStatus, std::string> WifiApIface::getNameInternal() {
     return {createWifiStatus(WifiStatusCode::SUCCESS), ifname_};
 }
@@ -111,6 +125,26 @@
             ifname_, hidl_struct_util::convertHidlWifiBandToLegacy(band));
     return {createWifiStatusFromLegacyError(legacy_status), valid_frequencies};
 }
+
+WifiStatus WifiApIface::setMacAddressInternal(
+    const std::array<uint8_t, 6>& mac) {
+    bool status = iface_util_.lock()->setMacAddress(ifname_, mac);
+    if (!status) {
+        return createWifiStatus(WifiStatusCode::ERROR_UNKNOWN);
+    }
+    return createWifiStatus(WifiStatusCode::SUCCESS);
+}
+
+std::pair<WifiStatus, std::array<uint8_t, 6>>
+WifiApIface::getFactoryMacAddressInternal() {
+    std::array<uint8_t, 6> mac =
+        iface_util_.lock()->getFactoryMacAddress(ifname_);
+    if (mac[0] == 0 && mac[1] == 0 && mac[2] == 0 && mac[3] == 0 &&
+        mac[4] == 0 && mac[5] == 0) {
+        return {createWifiStatus(WifiStatusCode::ERROR_UNKNOWN), mac};
+    }
+    return {createWifiStatus(WifiStatusCode::SUCCESS), mac};
+}
 }  // namespace implementation
 }  // namespace V1_4
 }  // namespace wifi
diff --git a/wifi/1.4/default/wifi_ap_iface.h b/wifi/1.4/default/wifi_ap_iface.h
index 179acac..cb3ed3d 100644
--- a/wifi/1.4/default/wifi_ap_iface.h
+++ b/wifi/1.4/default/wifi_ap_iface.h
@@ -18,7 +18,7 @@
 #define WIFI_AP_IFACE_H_
 
 #include <android-base/macros.h>
-#include <android/hardware/wifi/1.0/IWifiApIface.h>
+#include <android/hardware/wifi/1.4/IWifiApIface.h>
 
 #include "wifi_feature_flags.h"
 #include "wifi_iface_util.h"
@@ -34,7 +34,7 @@
 /**
  * HIDL interface object used to control a AP Iface instance.
  */
-class WifiApIface : public V1_0::IWifiApIface {
+class WifiApIface : public V1_4::IWifiApIface {
    public:
     WifiApIface(
         const std::string& ifname,
@@ -53,6 +53,10 @@
                                 setCountryCode_cb hidl_status_cb) override;
     Return<void> getValidFrequenciesForBand(
         WifiBand band, getValidFrequenciesForBand_cb hidl_status_cb) override;
+    Return<void> setMacAddress(const hidl_array<uint8_t, 6>& mac,
+                               setMacAddress_cb hidl_status_cb) override;
+    Return<void> getFactoryMacAddress(
+        getFactoryMacAddress_cb hidl_status_cb) override;
 
    private:
     // Corresponding worker functions for the HIDL methods.
@@ -61,6 +65,9 @@
     WifiStatus setCountryCodeInternal(const std::array<int8_t, 2>& code);
     std::pair<WifiStatus, std::vector<WifiChannelInMhz>>
     getValidFrequenciesForBandInternal(WifiBand band);
+    WifiStatus setMacAddressInternal(const std::array<uint8_t, 6>& mac);
+    std::pair<WifiStatus, std::array<uint8_t, 6>>
+    getFactoryMacAddressInternal();
 
     std::string ifname_;
     std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;