1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <android-base/logging.h>
18 #include <android-base/macros.h>
19 #include <private/android_filesystem_config.h>
20 
21 #include "wifi_mode_controller.h"
22 
23 using android::hardware::wifi::V1_0::IfaceType;
24 using android::wifi_hal::DriverTool;
25 
26 namespace {
convertIfaceTypeToFirmwareMode(IfaceType type)27 int convertIfaceTypeToFirmwareMode(IfaceType type) {
28     int mode;
29     switch (type) {
30         case IfaceType::AP:
31             mode = DriverTool::kFirmwareModeAp;
32             break;
33         case IfaceType::P2P:
34             mode = DriverTool::kFirmwareModeP2p;
35             break;
36         case IfaceType::NAN:
37             // NAN is exposed in STA mode currently.
38             mode = DriverTool::kFirmwareModeSta;
39             break;
40         case IfaceType::STA:
41             mode = DriverTool::kFirmwareModeSta;
42             break;
43     }
44     return mode;
45 }
46 }  // namespace
47 
48 namespace android {
49 namespace hardware {
50 namespace wifi {
51 namespace V1_3 {
52 namespace implementation {
53 namespace mode_controller {
54 
WifiModeController()55 WifiModeController::WifiModeController() : driver_tool_(new DriverTool) {}
56 
isFirmwareModeChangeNeeded(IfaceType type)57 bool WifiModeController::isFirmwareModeChangeNeeded(IfaceType type) {
58     return driver_tool_->IsFirmwareModeChangeNeeded(
59         convertIfaceTypeToFirmwareMode(type));
60 }
61 
initialize()62 bool WifiModeController::initialize() {
63     if (!driver_tool_->LoadDriver()) {
64         LOG(ERROR) << "Failed to load WiFi driver";
65         return false;
66     }
67     return true;
68 }
69 
changeFirmwareMode(IfaceType type)70 bool WifiModeController::changeFirmwareMode(IfaceType type) {
71     if (!driver_tool_->ChangeFirmwareMode(
72             convertIfaceTypeToFirmwareMode(type))) {
73         LOG(ERROR) << "Failed to change firmware mode";
74         return false;
75     }
76     return true;
77 }
78 
deinitialize()79 bool WifiModeController::deinitialize() {
80     if (!driver_tool_->UnloadDriver()) {
81         LOG(ERROR) << "Failed to unload WiFi driver";
82         return false;
83     }
84     return true;
85 }
86 }  // namespace mode_controller
87 }  // namespace implementation
88 }  // namespace V1_3
89 }  // namespace wifi
90 }  // namespace hardware
91 }  // namespace android
92