101 lines
2.5 KiB
C++
101 lines
2.5 KiB
C++
//
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// Copyright (C) 2015 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "shill/wifi/wifi_driver_hal.h"
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#include <base/logging.h>
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#include <hardware_brillo/wifi_driver_hal.h>
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#include <hardware/hardware.h>
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using std::string;
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namespace shill {
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namespace {
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base::LazyInstance<WiFiDriverHal> g_wifi_driver_hal = LAZY_INSTANCE_INITIALIZER;
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bool WiFiDriverInit(wifi_driver_device_t** out_driver) {
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const hw_module_t* module;
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wifi_driver_device_t* driver;
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int ret;
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ret = hw_get_module(WIFI_DRIVER_DEVICE_ID_MAIN, &module);
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if (ret != 0) {
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LOG(ERROR) << "Failed to find HAL module";
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return false;
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}
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if (wifi_driver_open(module, &driver) != 0) {
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LOG(ERROR) << "Failed to open WiFi HAL module";
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return false;
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}
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wifi_driver_error error;
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error = (*driver->wifi_driver_initialize)();
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if (error != WIFI_SUCCESS) {
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LOG(ERROR) << "Failed to initialize WiFi driver";
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wifi_driver_close(driver);
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return false;
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}
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*out_driver = driver;
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return true;
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}
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void WiFiDriverShutdown(wifi_driver_device_t* driver) {
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wifi_driver_close(driver);
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}
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string WiFiDriverSetupInterface(wifi_driver_mode mode) {
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wifi_driver_device_t* driver;
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if (!WiFiDriverInit(&driver)) {
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return "";
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}
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string name_str;
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char device_name[DEFAULT_WIFI_DEVICE_NAME_SIZE];
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wifi_driver_error error =
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(*driver->wifi_driver_set_mode)(mode, device_name, sizeof(device_name));
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if (error != WIFI_SUCCESS) {
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LOG(ERROR) << "WiFi driver setup for mode " << mode << " failed: " << error;
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} else {
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name_str = string(device_name);
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}
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WiFiDriverShutdown(driver);
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return name_str;
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}
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} // namespace
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WiFiDriverHal::WiFiDriverHal() {}
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WiFiDriverHal::~WiFiDriverHal() {}
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WiFiDriverHal* WiFiDriverHal::GetInstance() {
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return g_wifi_driver_hal.Pointer();
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}
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string WiFiDriverHal::SetupStationModeInterface() {
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return WiFiDriverSetupInterface(WIFI_MODE_STATION);
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}
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string WiFiDriverHal::SetupApModeInterface() {
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return WiFiDriverSetupInterface(WIFI_MODE_AP);
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}
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} // namespace shill
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