wifi/aidl/default/wifi_mode_controller.cpp

/*
 * 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.
 */

#include "wifi_mode_controller.h"

#include <android-base/logging.h>
#include <android-base/macros.h>
#include <private/android_filesystem_config.h>

namespace {
using aidl::android::hardware::wifi::IfaceType;
using android::wifi_hal::DriverTool;

int convertIfaceTypeToFirmwareMode(IfaceType type) {
    int mode;
    switch (type) {
        case IfaceType::AP:
            mode = DriverTool::kFirmwareModeAp;
            break;
        case IfaceType::P2P:
            mode = DriverTool::kFirmwareModeP2p;
            break;
        case IfaceType::NAN_IFACE:
            // NAN is exposed in STA mode currently.
            mode = DriverTool::kFirmwareModeSta;
            break;
        case IfaceType::STA:
            mode = DriverTool::kFirmwareModeSta;
            break;
    }
    return mode;
}
}  // namespace

namespace aidl {
namespace android {
namespace hardware {
namespace wifi {
namespace mode_controller {

WifiModeController::WifiModeController() : driver_tool_(new DriverTool) {}

bool WifiModeController::isFirmwareModeChangeNeeded(IfaceType type) {
    return driver_tool_->IsFirmwareModeChangeNeeded(convertIfaceTypeToFirmwareMode(type));
}

bool WifiModeController::initialize() {
    if (!driver_tool_->LoadDriver()) {
        LOG(ERROR) << "Failed to load WiFi driver";
        return false;
    }
    return true;
}

bool WifiModeController::changeFirmwareMode(IfaceType type) {
    if (!driver_tool_->ChangeFirmwareMode(convertIfaceTypeToFirmwareMode(type))) {
        LOG(ERROR) << "Failed to change firmware mode";
        return false;
    }
    return true;
}

bool WifiModeController::deinitialize() {
    if (!driver_tool_->UnloadDriver()) {
        LOG(ERROR) << "Failed to unload WiFi driver";
        return false;
    }
    return true;
}

}  // namespace mode_controller
}  // namespace wifi
}  // namespace hardware
}  // namespace android
}  // namespace aidl