2 * Copyright (C) 2016 The Android Open Source Project
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
22 #include <android-base/macros.h>
23 #include <android/hardware/wifi/1.0/IWifiChip.h>
25 #include "hidl_callback_util.h"
26 #include "wifi_ap_iface.h"
27 #include "wifi_legacy_hal.h"
28 #include "wifi_mode_controller.h"
29 #include "wifi_nan_iface.h"
30 #include "wifi_p2p_iface.h"
31 #include "wifi_rtt_controller.h"
32 #include "wifi_sta_iface.h"
38 namespace implementation {
41 * HIDL interface object used to control a Wifi HAL chip instance.
42 * Since there is only a single chip instance used today, there is no
43 * identifying handle information stored here.
45 class WifiChip : public IWifiChip {
49 const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
50 const std::weak_ptr<mode_controller::WifiModeController> mode_controller);
51 // HIDL does not provide a built-in mechanism to let the server invalidate
52 // a HIDL interface object after creation. If any client process holds onto
53 // a reference to the object in their context, any method calls on that
54 // reference will continue to be directed to the server.
56 // However Wifi HAL needs to control the lifetime of these objects. So, add
57 // a public |invalidate| method to |WifiChip| and it's child objects. This
58 // will be used to mark an object invalid when either:
59 // a) Wifi HAL is stopped, or
60 // b) Wifi Chip is reconfigured.
62 // All HIDL method implementations should check if the object is still marked
63 // valid before processing them.
66 std::set<sp<IWifiChipEventCallback>> getEventCallbacks();
68 // HIDL methods exposed.
69 Return<void> getId(getId_cb hidl_status_cb) override;
70 Return<void> registerEventCallback(
71 const sp<IWifiChipEventCallback>& event_callback,
72 registerEventCallback_cb hidl_status_cb) override;
73 Return<void> getCapabilities(getCapabilities_cb hidl_status_cb) override;
74 Return<void> getAvailableModes(getAvailableModes_cb hidl_status_cb) override;
75 Return<void> configureChip(ChipModeId mode_id,
76 configureChip_cb hidl_status_cb) override;
77 Return<void> getMode(getMode_cb hidl_status_cb) override;
78 Return<void> requestChipDebugInfo(
79 requestChipDebugInfo_cb hidl_status_cb) override;
80 Return<void> requestDriverDebugDump(
81 requestDriverDebugDump_cb hidl_status_cb) override;
82 Return<void> requestFirmwareDebugDump(
83 requestFirmwareDebugDump_cb hidl_status_cb) override;
84 Return<void> createApIface(createApIface_cb hidl_status_cb) override;
85 Return<void> getApIfaceNames(getApIfaceNames_cb hidl_status_cb) override;
86 Return<void> getApIface(const hidl_string& ifname,
87 getApIface_cb hidl_status_cb) override;
88 Return<void> removeApIface(const hidl_string& ifname,
89 removeApIface_cb hidl_status_cb) override;
90 Return<void> createNanIface(createNanIface_cb hidl_status_cb) override;
91 Return<void> getNanIfaceNames(getNanIfaceNames_cb hidl_status_cb) override;
92 Return<void> getNanIface(const hidl_string& ifname,
93 getNanIface_cb hidl_status_cb) override;
94 Return<void> removeNanIface(const hidl_string& ifname,
95 removeNanIface_cb hidl_status_cb) override;
96 Return<void> createP2pIface(createP2pIface_cb hidl_status_cb) override;
97 Return<void> getP2pIfaceNames(getP2pIfaceNames_cb hidl_status_cb) override;
98 Return<void> getP2pIface(const hidl_string& ifname,
99 getP2pIface_cb hidl_status_cb) override;
100 Return<void> removeP2pIface(const hidl_string& ifname,
101 removeP2pIface_cb hidl_status_cb) override;
102 Return<void> createStaIface(createStaIface_cb hidl_status_cb) override;
103 Return<void> getStaIfaceNames(getStaIfaceNames_cb hidl_status_cb) override;
104 Return<void> getStaIface(const hidl_string& ifname,
105 getStaIface_cb hidl_status_cb) override;
106 Return<void> removeStaIface(const hidl_string& ifname,
107 removeStaIface_cb hidl_status_cb) override;
108 Return<void> createRttController(
109 const sp<IWifiIface>& bound_iface,
110 createRttController_cb hidl_status_cb) override;
111 Return<void> getDebugRingBuffersStatus(
112 getDebugRingBuffersStatus_cb hidl_status_cb) override;
113 Return<void> startLoggingToDebugRingBuffer(
114 const hidl_string& ring_name,
115 WifiDebugRingBufferVerboseLevel verbose_level,
116 uint32_t max_interval_in_sec,
117 uint32_t min_data_size_in_bytes,
118 startLoggingToDebugRingBuffer_cb hidl_status_cb) override;
119 Return<void> forceDumpToDebugRingBuffer(
120 const hidl_string& ring_name,
121 forceDumpToDebugRingBuffer_cb hidl_status_cb) override;
122 Return<void> stopLoggingToDebugRingBuffer(
123 stopLoggingToDebugRingBuffer_cb hidl_status_cb) override;
124 Return<void> getDebugHostWakeReasonStats(
125 getDebugHostWakeReasonStats_cb hidl_status_cb) override;
126 Return<void> enableDebugErrorAlerts(
127 bool enable, enableDebugErrorAlerts_cb hidl_status_cb) override;
130 void invalidateAndRemoveAllIfaces();
132 // Corresponding worker functions for the HIDL methods.
133 std::pair<WifiStatus, ChipId> getIdInternal();
134 WifiStatus registerEventCallbackInternal(
135 const sp<IWifiChipEventCallback>& event_callback);
136 std::pair<WifiStatus, uint32_t> getCapabilitiesInternal();
137 std::pair<WifiStatus, std::vector<ChipMode>> getAvailableModesInternal();
138 WifiStatus configureChipInternal(ChipModeId mode_id);
139 std::pair<WifiStatus, uint32_t> getModeInternal();
140 std::pair<WifiStatus, IWifiChip::ChipDebugInfo>
141 requestChipDebugInfoInternal();
142 std::pair<WifiStatus, std::vector<uint8_t>> requestDriverDebugDumpInternal();
143 std::pair<WifiStatus, std::vector<uint8_t>>
144 requestFirmwareDebugDumpInternal();
145 std::pair<WifiStatus, sp<IWifiApIface>> createApIfaceInternal();
146 std::pair<WifiStatus, std::vector<hidl_string>> getApIfaceNamesInternal();
147 std::pair<WifiStatus, sp<IWifiApIface>> getApIfaceInternal(
148 const std::string& ifname);
149 WifiStatus removeApIfaceInternal(const std::string& ifname);
150 std::pair<WifiStatus, sp<IWifiNanIface>> createNanIfaceInternal();
151 std::pair<WifiStatus, std::vector<hidl_string>> getNanIfaceNamesInternal();
152 std::pair<WifiStatus, sp<IWifiNanIface>> getNanIfaceInternal(
153 const std::string& ifname);
154 WifiStatus removeNanIfaceInternal(const std::string& ifname);
155 std::pair<WifiStatus, sp<IWifiP2pIface>> createP2pIfaceInternal();
156 std::pair<WifiStatus, std::vector<hidl_string>> getP2pIfaceNamesInternal();
157 std::pair<WifiStatus, sp<IWifiP2pIface>> getP2pIfaceInternal(
158 const std::string& ifname);
159 WifiStatus removeP2pIfaceInternal(const std::string& ifname);
160 std::pair<WifiStatus, sp<IWifiStaIface>> createStaIfaceInternal();
161 std::pair<WifiStatus, std::vector<hidl_string>> getStaIfaceNamesInternal();
162 std::pair<WifiStatus, sp<IWifiStaIface>> getStaIfaceInternal(
163 const std::string& ifname);
164 WifiStatus removeStaIfaceInternal(const std::string& ifname);
165 std::pair<WifiStatus, sp<IWifiRttController>> createRttControllerInternal(
166 const sp<IWifiIface>& bound_iface);
167 std::pair<WifiStatus, std::vector<WifiDebugRingBufferStatus>>
168 getDebugRingBuffersStatusInternal();
169 WifiStatus startLoggingToDebugRingBufferInternal(
170 const hidl_string& ring_name,
171 WifiDebugRingBufferVerboseLevel verbose_level,
172 uint32_t max_interval_in_sec,
173 uint32_t min_data_size_in_bytes);
174 WifiStatus forceDumpToDebugRingBufferInternal(const hidl_string& ring_name);
175 WifiStatus stopLoggingToDebugRingBufferInternal();
176 std::pair<WifiStatus, WifiDebugHostWakeReasonStats>
177 getDebugHostWakeReasonStatsInternal();
178 WifiStatus enableDebugErrorAlertsInternal(bool enable);
180 WifiStatus handleChipConfiguration(ChipModeId mode_id);
181 WifiStatus registerDebugRingBufferCallback();
184 std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
185 std::weak_ptr<mode_controller::WifiModeController> mode_controller_;
186 sp<WifiApIface> ap_iface_;
187 sp<WifiNanIface> nan_iface_;
188 sp<WifiP2pIface> p2p_iface_;
189 sp<WifiStaIface> sta_iface_;
190 std::vector<sp<WifiRttController>> rtt_controllers_;
192 uint32_t current_mode_id_;
193 // The legacy ring buffer callback API has only a global callback
194 // registration mechanism. Use this to check if we have already
195 // registered a callback.
196 bool debug_ring_buffer_cb_registered_;
197 hidl_callback_util::HidlCallbackHandler<IWifiChipEventCallback>
200 DISALLOW_COPY_AND_ASSIGN(WifiChip);
203 } // namespace implementation
206 } // namespace hardware
207 } // namespace android
209 #endif // WIFI_CHIP_H_