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/log.h"
23 #include "chre/platform/shared/pal_system_api.h"
24 #include "chre/util/system/wifi_util.h"
25
26 namespace chre {
27
28 const chrePalWifiCallbacks PlatformWifiBase::sWifiCallbacks = {
29 PlatformWifi::scanMonitorStatusChangeCallback,
30 PlatformWifiBase::scanResponseCallback,
31 PlatformWifiBase::scanEventCallback,
32 PlatformWifiBase::rangingEventCallback,
33 };
34
~PlatformWifi()35 PlatformWifi::~PlatformWifi() {
36 if (mWifiApi != nullptr) {
37 LOGD("Platform WiFi closing");
38 prePalApiCall();
39 mWifiApi->close();
40 LOGD("Platform WiFi closed");
41 }
42 }
43
init()44 void PlatformWifi::init() {
45 prePalApiCall();
46 mWifiApi = chrePalWifiGetApi(CHRE_PAL_WIFI_API_CURRENT_VERSION);
47 if (mWifiApi != nullptr) {
48 if (!mWifiApi->open(&gChrePalSystemApi, &sWifiCallbacks)) {
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 0x%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
92 if (mWifiApi->moduleVersion < CHRE_PAL_WIFI_API_V1_5) {
93 const struct chreWifiScanParams paramsCompat =
94 translateToLegacyWifiScanParams(params);
95 return mWifiApi->requestScan(¶msCompat);
96 } else {
97 return mWifiApi->requestScan(params);
98 }
99 } else {
100 return false;
101 }
102 }
103
releaseRangingEvent(struct chreWifiRangingEvent * event)104 void PlatformWifi::releaseRangingEvent(struct chreWifiRangingEvent *event) {
105 prePalApiCall();
106 mWifiApi->releaseRangingEvent(event);
107 }
108
releaseScanEvent(struct chreWifiScanEvent * event)109 void PlatformWifi::releaseScanEvent(struct chreWifiScanEvent *event) {
110 prePalApiCall();
111 mWifiApi->releaseScanEvent(event);
112 }
113
rangingEventCallback(uint8_t errorCode,struct chreWifiRangingEvent * event)114 void PlatformWifiBase::rangingEventCallback(
115 uint8_t errorCode, struct chreWifiRangingEvent *event) {
116 EventLoopManagerSingleton::get()->getWifiRequestManager().handleRangingEvent(
117 errorCode, event);
118 }
119
scanMonitorStatusChangeCallback(bool enabled,uint8_t errorCode)120 void PlatformWifiBase::scanMonitorStatusChangeCallback(bool enabled,
121 uint8_t errorCode) {
122 EventLoopManagerSingleton::get()
123 ->getWifiRequestManager()
124 .handleScanMonitorStateChange(enabled, errorCode);
125 }
126
scanResponseCallback(bool pending,uint8_t errorCode)127 void PlatformWifiBase::scanResponseCallback(bool pending, uint8_t errorCode) {
128 EventLoopManagerSingleton::get()->getWifiRequestManager().handleScanResponse(
129 pending, errorCode);
130 }
131
scanEventCallback(struct chreWifiScanEvent * event)132 void PlatformWifiBase::scanEventCallback(struct chreWifiScanEvent *event) {
133 EventLoopManagerSingleton::get()->getWifiRequestManager().handleScanEvent(
134 event);
135 }
136
137 } // namespace chre
138
