Add AIDL implementation for the vendor HAL service.
Bug: 205044134
Test: Pass AIDL VTS tests and regression tests.
Change-Id: Iad04ce01f71fc220443e05a4be05d7d5545227e8
diff --git a/wifi/aidl/default/wifi_iface_util.h b/wifi/aidl/default/wifi_iface_util.h
new file mode 100644
index 0000000..a3236a5
--- /dev/null
+++ b/wifi/aidl/default/wifi_iface_util.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#ifndef WIFI_IFACE_UTIL_H_
+#define WIFI_IFACE_UTIL_H_
+
+#include <aidl/android/hardware/wifi/IWifi.h>
+#include <wifi_system/interface_tool.h>
+
+#include "wifi_legacy_hal.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace iface_util {
+
+// Iface event handlers.
+struct IfaceEventHandlers {
+ // Callback to be invoked when the iface is set down & up for MAC address
+ // change.
+ std::function<void(const std::string& iface_name)> on_state_toggle_off_on;
+};
+
+/**
+ * Util class for common iface operations.
+ */
+class WifiIfaceUtil {
+ public:
+ WifiIfaceUtil(const std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool,
+ const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal);
+ virtual ~WifiIfaceUtil() = default;
+
+ virtual std::array<uint8_t, 6> getFactoryMacAddress(const std::string& iface_name);
+ virtual bool setMacAddress(const std::string& iface_name, const std::array<uint8_t, 6>& mac);
+ // Get or create a random MAC address. The MAC address returned from
+ // this method will remain the same throughout the lifetime of the HAL
+ // daemon. (So, changes on every reboot)
+ virtual std::array<uint8_t, 6> getOrCreateRandomMacAddress();
+
+ // Register for any iface event callbacks for the provided interface.
+ virtual void registerIfaceEventHandlers(const std::string& iface_name,
+ IfaceEventHandlers handlers);
+ virtual void unregisterIfaceEventHandlers(const std::string& iface_name);
+ virtual bool setUpState(const std::string& iface_name, bool request_up);
+ virtual unsigned ifNameToIndex(const std::string& iface_name);
+
+ virtual bool createBridge(const std::string& br_name);
+
+ virtual bool deleteBridge(const std::string& br_name);
+
+ virtual bool addIfaceToBridge(const std::string& br_name, const std::string& if_name);
+
+ virtual bool removeIfaceFromBridge(const std::string& br_name, const std::string& if_name);
+ // Get a random MAC address.
+ virtual std::array<uint8_t, 6> createRandomMacAddress();
+
+ private:
+ std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool_;
+ std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
+ std::unique_ptr<std::array<uint8_t, 6>> random_mac_address_;
+ std::map<std::string, IfaceEventHandlers> event_handlers_map_;
+};
+
+} // namespace iface_util
+} // namespace wifi
+} // namespace hardware
+} // namespace android
+} // namespace aidl
+
+#endif // WIFI_IFACE_UTIL_H_