1 /*
2 * Copyright (C) 2017 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 "chre/platform/platform_wifi.h"
18
19 #include <cinttypes>
20
21 #include "chre/core/event_loop_manager.h"
22 #include "chre/platform/shared/pal_system_api.h"
23 #include "chre/platform/log.h"
24
25 namespace chre {
26
~PlatformWifi()27 PlatformWifi::~PlatformWifi() {
28 if (mWifiApi != nullptr) {
29 LOGD("Platform WiFi closing");
30 prePalApiCall();
31 mWifiApi->close();
32 LOGD("Platform WiFi closed");
33 }
34 }
35
init()36 void PlatformWifi::init() {
37 prePalApiCall();
38 mWifiApi = chrePalWifiGetApi(CHRE_PAL_WIFI_API_CURRENT_VERSION);
39 if (mWifiApi != nullptr) {
40 mWifiCallbacks.scanMonitorStatusChangeCallback =
41 PlatformWifi::scanMonitorStatusChangeCallback;
42 mWifiCallbacks.scanResponseCallback =
43 PlatformWifiBase::scanResponseCallback;
44 mWifiCallbacks.scanEventCallback =
45 PlatformWifiBase::scanEventCallback;
46 mWifiCallbacks.rangingEventCallback =
47 PlatformWifiBase::rangingEventCallback;
48 if (!mWifiApi->open(&gChrePalSystemApi, &mWifiCallbacks)) {
49 LOGE("WiFi PAL open returned false");
50 mWifiApi = nullptr;
51 } else {
52 LOGD("Opened WiFi PAL version 0x%08" PRIx32, mWifiApi->moduleVersion);
53 }
54 } else {
55 LOGW("Requested Wifi PAL (version %08" PRIx32 ") not found",
56 CHRE_PAL_WIFI_API_CURRENT_VERSION);
57 }
58 }
59
getCapabilities()60 uint32_t PlatformWifi::getCapabilities() {
61 if (mWifiApi != nullptr) {
62 prePalApiCall();
63 return mWifiApi->getCapabilities();
64 } else {
65 return CHRE_WIFI_CAPABILITIES_NONE;
66 }
67 }
68
configureScanMonitor(bool enable)69 bool PlatformWifi::configureScanMonitor(bool enable) {
70 if (mWifiApi != nullptr) {
71 prePalApiCall();
72 return mWifiApi->configureScanMonitor(enable);
73 } else {
74 return false;
75 }
76 }
77
requestRanging(const struct chreWifiRangingParams * params)78 bool PlatformWifi::requestRanging(const struct chreWifiRangingParams *params) {
79 if (mWifiApi != nullptr
80 && mWifiApi->moduleVersion >= CHRE_PAL_WIFI_API_V1_2) {
81 prePalApiCall();
82 return mWifiApi->requestRanging(params);
83 } else {
84 return false;
85 }
86 }
87
requestScan(const struct chreWifiScanParams * params)88 bool PlatformWifi::requestScan(const struct chreWifiScanParams *params) {
89 if (mWifiApi != nullptr) {
90 prePalApiCall();
91 return mWifiApi->requestScan(params);
92 } else {
93 return false;
94 }
95 }
96
releaseRangingEvent(struct chreWifiRangingEvent * event)97 void PlatformWifi::releaseRangingEvent(struct chreWifiRangingEvent *event) {
98 prePalApiCall();
99 mWifiApi->releaseRangingEvent(event);
100 }
101
releaseScanEvent(struct chreWifiScanEvent * event)102 void PlatformWifi::releaseScanEvent(struct chreWifiScanEvent *event) {
103 prePalApiCall();
104 mWifiApi->releaseScanEvent(event);
105 }
106
rangingEventCallback(uint8_t errorCode,struct chreWifiRangingEvent * event)107 void PlatformWifiBase::rangingEventCallback(
108 uint8_t errorCode, struct chreWifiRangingEvent *event) {
109 EventLoopManagerSingleton::get()->getWifiRequestManager()
110 .handleRangingEvent(errorCode, event);
111 }
112
scanMonitorStatusChangeCallback(bool enabled,uint8_t errorCode)113 void PlatformWifiBase::scanMonitorStatusChangeCallback(bool enabled,
114 uint8_t errorCode) {
115 EventLoopManagerSingleton::get()->getWifiRequestManager()
116 .handleScanMonitorStateChange(enabled, errorCode);
117 }
118
scanResponseCallback(bool pending,uint8_t errorCode)119 void PlatformWifiBase::scanResponseCallback(bool pending, uint8_t errorCode) {
120 EventLoopManagerSingleton::get()->getWifiRequestManager()
121 .handleScanResponse(pending, errorCode);
122 }
123
scanEventCallback(struct chreWifiScanEvent * event)124 void PlatformWifiBase::scanEventCallback(struct chreWifiScanEvent *event) {
125 EventLoopManagerSingleton::get()->getWifiRequestManager()
126 .handleScanEvent(event);
127 }
128
129 } // namespace chre
130