| // |
| // Copyright (C) 2015 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 "shill/wifi/wifi_driver_hal.h" |
| |
| #include <base/logging.h> |
| #include <hardware_brillo/wifi_driver_hal.h> |
| #include <hardware/hardware.h> |
| |
| using std::string; |
| |
| namespace shill { |
| |
| namespace { |
| |
| base::LazyInstance<WiFiDriverHal> g_wifi_driver_hal = LAZY_INSTANCE_INITIALIZER; |
| |
| bool WiFiDriverInit(wifi_driver_device_t** out_driver) { |
| const hw_module_t* module; |
| wifi_driver_device_t* driver; |
| int ret; |
| |
| ret = hw_get_module(WIFI_DRIVER_DEVICE_ID_MAIN, &module); |
| if (ret != 0) { |
| LOG(ERROR) << "Failed to find HAL module"; |
| return false; |
| } |
| |
| if (wifi_driver_open(module, &driver) != 0) { |
| LOG(ERROR) << "Failed to open WiFi HAL module"; |
| return false; |
| } |
| |
| wifi_driver_error error; |
| error = (*driver->wifi_driver_initialize)(); |
| if (error != WIFI_SUCCESS) { |
| LOG(ERROR) << "Failed to initialize WiFi driver"; |
| wifi_driver_close(driver); |
| return false; |
| } |
| |
| *out_driver = driver; |
| return true; |
| } |
| |
| void WiFiDriverShutdown(wifi_driver_device_t* driver) { |
| wifi_driver_close(driver); |
| } |
| |
| string WiFiDriverSetupInterface(wifi_driver_mode mode) { |
| wifi_driver_device_t* driver; |
| if (!WiFiDriverInit(&driver)) { |
| return ""; |
| } |
| |
| string name_str; |
| char device_name[DEFAULT_WIFI_DEVICE_NAME_SIZE]; |
| wifi_driver_error error = |
| (*driver->wifi_driver_set_mode)(mode, device_name, sizeof(device_name)); |
| if (error != WIFI_SUCCESS) { |
| LOG(ERROR) << "WiFi driver setup for mode " << mode << " failed: " << error; |
| } else { |
| name_str = string(device_name); |
| } |
| |
| WiFiDriverShutdown(driver); |
| return name_str; |
| } |
| |
| } // namespace |
| |
| WiFiDriverHal::WiFiDriverHal() {} |
| |
| WiFiDriverHal::~WiFiDriverHal() {} |
| |
| WiFiDriverHal* WiFiDriverHal::GetInstance() { |
| return g_wifi_driver_hal.Pointer(); |
| } |
| |
| string WiFiDriverHal::SetupStationModeInterface() { |
| return WiFiDriverSetupInterface(WIFI_MODE_STATION); |
| } |
| |
| string WiFiDriverHal::SetupApModeInterface() { |
| return WiFiDriverSetupInterface(WIFI_MODE_AP); |
| } |
| |
| } // namespace shill |