wifi: Add resetFactoryMac support (AP+AP Part 3)

Support HAL API:resetToFactoryMacAddress to reset the MAC
to factory MAC on each instances in IWifiApIface.

AP+AP Part 3 includes:
1. Support resetToFactoryMac in IWifiApIface.Hal.
2. Vts support for non bridged API.
3. Framework support resetToFactoryMac in bridged Ap.

Test: atest -c VtsHalWifiApV1_5TargetTest
Test: atest -c VtsHalWifiApV1_4TargetTest
Test: atest -c VtsHalWifiApV1_0TargetTest
Bug: 162686273
Change-Id: Ic7f2c0d6f1d8bf46fabfbc874d5f2b74068e43cc
diff --git a/wifi/1.5/vts/functional/Android.bp b/wifi/1.5/vts/functional/Android.bp
index eb595c9..2d8b412 100644
--- a/wifi/1.5/vts/functional/Android.bp
+++ b/wifi/1.5/vts/functional/Android.bp
@@ -60,3 +60,26 @@
         "vts",
     ],
 }
+
+// SoftAP-specific tests, similar to VtsHalWifiApV1_0TargetTest.
+cc_test {
+    name: "VtsHalWifiApV1_5TargetTest",
+    defaults: ["VtsHalTargetTestDefaults"],
+    srcs: [
+        "wifi_chip_hidl_ap_test.cpp",
+    ],
+    static_libs: [
+        "VtsHalWifiV1_0TargetTestUtil",
+        "android.hardware.wifi@1.0",
+        "android.hardware.wifi@1.1",
+        "android.hardware.wifi@1.2",
+        "android.hardware.wifi@1.3",
+        "android.hardware.wifi@1.4",
+        "android.hardware.wifi@1.5",
+        "libwifi-system-iface",
+    ],
+    test_suites: [
+        "general-tests",
+        "vts",
+    ],
+}
diff --git a/wifi/1.5/vts/functional/wifi_chip_hidl_ap_test.cpp b/wifi/1.5/vts/functional/wifi_chip_hidl_ap_test.cpp
new file mode 100644
index 0000000..395d317
--- /dev/null
+++ b/wifi/1.5/vts/functional/wifi_chip_hidl_ap_test.cpp
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include <VtsHalHidlTargetCallbackBase.h>
+#include <android-base/logging.h>
+
+#undef NAN  // NAN is defined in bionic/libc/include/math.h:38
+
+#include <android/hardware/wifi/1.4/IWifiChipEventCallback.h>
+#include <android/hardware/wifi/1.5/IWifi.h>
+#include <android/hardware/wifi/1.5/IWifiApIface.h>
+#include <android/hardware/wifi/1.5/IWifiChip.h>
+#include <gtest/gtest.h>
+#include <hidl/GtestPrinter.h>
+#include <hidl/ServiceManagement.h>
+
+#include "wifi_hidl_call_util.h"
+#include "wifi_hidl_test_utils.h"
+
+using ::android::sp;
+using ::android::hardware::hidl_string;
+using ::android::hardware::hidl_vec;
+using ::android::hardware::Return;
+using ::android::hardware::Void;
+using ::android::hardware::wifi::V1_0::ChipModeId;
+using ::android::hardware::wifi::V1_0::IfaceType;
+using ::android::hardware::wifi::V1_0::IWifiIface;
+using ::android::hardware::wifi::V1_0::WifiDebugRingBufferStatus;
+using ::android::hardware::wifi::V1_0::WifiStatus;
+using ::android::hardware::wifi::V1_0::WifiStatusCode;
+using ::android::hardware::wifi::V1_4::IWifiChipEventCallback;
+using ::android::hardware::wifi::V1_5::IWifiApIface;
+using ::android::hardware::wifi::V1_5::IWifiChip;
+
+/**
+ * Fixture for IWifiChip tests that are conditioned on SoftAP support.
+ */
+class WifiChipHidlTest : public ::testing::TestWithParam<std::string> {
+   public:
+    virtual void SetUp() override {
+        // Make sure to start with a clean state
+        stopWifi(GetInstanceName());
+
+        wifi_chip_ = IWifiChip::castFrom(getWifiChip(GetInstanceName()));
+        ASSERT_NE(nullptr, wifi_chip_.get());
+    }
+
+    virtual void TearDown() override { stopWifi(GetInstanceName()); }
+
+   protected:
+    // Helper function to configure the Chip in one of the supported modes.
+    // Most of the non-mode-configuration-related methods require chip
+    // to be first configured.
+    ChipModeId configureChipForIfaceType(IfaceType type, bool expectSuccess) {
+        ChipModeId mode_id;
+        EXPECT_EQ(expectSuccess,
+                  configureChipToSupportIfaceType(wifi_chip_, type, &mode_id));
+        return mode_id;
+    }
+
+    WifiStatusCode createApIface(sp<IWifiApIface>* ap_iface) {
+        configureChipForIfaceType(IfaceType::AP, true);
+        const auto& status_and_iface = HIDL_INVOKE(wifi_chip_, createApIface);
+        *ap_iface = IWifiApIface::castFrom(status_and_iface.second);
+        return status_and_iface.first.code;
+    }
+
+    WifiStatusCode createBridgedApIface(sp<IWifiApIface>* ap_iface) {
+        configureChipForIfaceType(IfaceType::AP, true);
+        const auto& status_and_iface =
+            HIDL_INVOKE(wifi_chip_, createBridgedApIface);
+        *ap_iface = status_and_iface.second;
+        return status_and_iface.first.code;
+    }
+
+    sp<IWifiChip> wifi_chip_;
+
+   private:
+    std::string GetInstanceName() { return GetParam(); }
+};
+
+// TODO: b/173999527. Add test for bridged API.
+
+/*
+ * resetToFactoryMacAddress
+ */
+TEST_P(WifiChipHidlTest, resetToFactoryMacAddressTest) {
+    sp<IWifiApIface> wifi_ap_iface;
+    const auto& status_code = createApIface(&wifi_ap_iface);
+    if (status_code != WifiStatusCode::SUCCESS) {
+        EXPECT_EQ(WifiStatusCode::ERROR_NOT_SUPPORTED, status_code);
+    }
+    const auto& status = HIDL_INVOKE(wifi_ap_iface, resetToFactoryMacAddress);
+    EXPECT_EQ(WifiStatusCode::SUCCESS, status.code);
+}
+
+GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(WifiChipHidlTest);
+INSTANTIATE_TEST_SUITE_P(
+    PerInstance, WifiChipHidlTest,
+    testing::ValuesIn(android::hardware::getAllHalInstanceNames(
+        ::android::hardware::wifi::V1_5::IWifi::descriptor)),
+    android::hardware::PrintInstanceNameToString);