1 /* 2 * Copyright (C) 2022 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 #ifndef WIFI_LEGACY_HAL_H_ 18 #define WIFI_LEGACY_HAL_H_ 19 20 #include <hardware_legacy/wifi_hal.h> 21 #include <wifi_system/interface_tool.h> 22 23 #include <condition_variable> 24 #include <functional> 25 #include <map> 26 #include <mutex> 27 #include <thread> 28 #include <vector> 29 30 namespace aidl { 31 namespace android { 32 namespace hardware { 33 namespace wifi { 34 // This is in a separate namespace to prevent typename conflicts between 35 // the legacy HAL types and the AIDL interface types. 36 namespace legacy_hal { 37 // Import all the types defined inside the legacy HAL header files into this 38 // namespace. 39 using ::chre_nan_rtt_state; 40 using ::frame_info; 41 using ::frame_type; 42 using ::FRAME_TYPE_80211_MGMT; 43 using ::FRAME_TYPE_ETHERNET_II; 44 using ::FRAME_TYPE_UNKNOWN; 45 using ::fw_roaming_state_t; 46 using ::mac_addr; 47 using ::NAN_BOOTSTRAPPING_INITIATOR_RESPONSE; 48 using ::NAN_BOOTSTRAPPING_RESPONDER_RESPONSE; 49 using ::NAN_CHANNEL_24G_BAND; 50 using ::NAN_CHANNEL_5G_BAND_HIGH; 51 using ::NAN_CHANNEL_5G_BAND_LOW; 52 using ::NAN_DISABLE_RANGE_REPORT; 53 using ::NAN_DO_NOT_USE_SRF; 54 using ::NAN_DP_CHANNEL_NOT_REQUESTED; 55 using ::NAN_DP_CONFIG_NO_SECURITY; 56 using ::NAN_DP_CONFIG_SECURITY; 57 using ::NAN_DP_END; 58 using ::NAN_DP_FORCE_CHANNEL_SETUP; 59 using ::NAN_DP_INITIATOR_RESPONSE; 60 using ::NAN_DP_INTERFACE_CREATE; 61 using ::NAN_DP_INTERFACE_DELETE; 62 using ::NAN_DP_REQUEST_ACCEPT; 63 using ::NAN_DP_REQUEST_CHANNEL_SETUP; 64 using ::NAN_DP_REQUEST_REJECT; 65 using ::NAN_DP_RESPONDER_RESPONSE; 66 using ::NAN_GET_CAPABILITIES; 67 using ::NAN_MATCH_ALG_MATCH_CONTINUOUS; 68 using ::NAN_MATCH_ALG_MATCH_NEVER; 69 using ::NAN_MATCH_ALG_MATCH_ONCE; 70 using ::NAN_PAIRING_END; 71 using ::NAN_PAIRING_INITIATOR_RESPONSE; 72 using ::NAN_PAIRING_RESPONDER_RESPONSE; 73 using ::NAN_PAIRING_SETUP; 74 using ::NAN_PAIRING_VERIFICATION; 75 using ::NAN_PUBLISH_TYPE_SOLICITED; 76 using ::NAN_PUBLISH_TYPE_UNSOLICITED; 77 using ::NAN_PUBLISH_TYPE_UNSOLICITED_SOLICITED; 78 using ::NAN_RANGING_AUTO_RESPONSE_DISABLE; 79 using ::NAN_RANGING_AUTO_RESPONSE_ENABLE; 80 using ::NAN_RANGING_DISABLE; 81 using ::NAN_RANGING_ENABLE; 82 using ::NAN_RESPONSE_BEACON_SDF_PAYLOAD; 83 using ::NAN_RESPONSE_CONFIG; 84 using ::NAN_RESPONSE_DISABLED; 85 using ::NAN_RESPONSE_ENABLED; 86 using ::NAN_RESPONSE_ERROR; 87 using ::NAN_RESPONSE_PUBLISH; 88 using ::NAN_RESPONSE_PUBLISH_CANCEL; 89 using ::NAN_RESPONSE_STATS; 90 using ::NAN_RESPONSE_SUBSCRIBE; 91 using ::NAN_RESPONSE_SUBSCRIBE_CANCEL; 92 using ::NAN_RESPONSE_TCA; 93 using ::NAN_RESPONSE_TRANSMIT_FOLLOWUP; 94 using ::NAN_RESUME_REQUEST_RESPONSE; 95 using ::NAN_SECURITY_KEY_INPUT_PASSPHRASE; 96 using ::NAN_SECURITY_KEY_INPUT_PMK; 97 using ::NAN_SERVICE_ACCEPT_POLICY_ALL; 98 using ::NAN_SERVICE_ACCEPT_POLICY_NONE; 99 using ::NAN_SRF_ATTR_BLOOM_FILTER; 100 using ::NAN_SRF_ATTR_PARTIAL_MAC_ADDR; 101 using ::NAN_SRF_INCLUDE_DO_NOT_RESPOND; 102 using ::NAN_SRF_INCLUDE_RESPOND; 103 using ::NAN_SSI_NOT_REQUIRED_IN_MATCH_IND; 104 using ::NAN_SSI_REQUIRED_IN_MATCH_IND; 105 using ::NAN_STATUS_ALREADY_ENABLED; 106 using ::NAN_STATUS_FOLLOWUP_QUEUE_FULL; 107 using ::NAN_STATUS_INTERNAL_FAILURE; 108 using ::NAN_STATUS_INVALID_BOOTSTRAPPING_ID; 109 using ::NAN_STATUS_INVALID_NDP_ID; 110 using ::NAN_STATUS_INVALID_PAIRING_ID; 111 using ::NAN_STATUS_INVALID_PARAM; 112 using ::NAN_STATUS_INVALID_PUBLISH_SUBSCRIBE_ID; 113 using ::NAN_STATUS_INVALID_REQUESTOR_INSTANCE_ID; 114 using ::NAN_STATUS_NAN_NOT_ALLOWED; 115 using ::NAN_STATUS_NO_CONNECTION; 116 using ::NAN_STATUS_NO_OTA_ACK; 117 using ::NAN_STATUS_NO_RESOURCE_AVAILABLE; 118 using ::NAN_STATUS_NOT_SUPPORTED; 119 using ::NAN_STATUS_PROTOCOL_FAILURE; 120 using ::NAN_STATUS_REDUNDANT_REQUEST; 121 using ::NAN_STATUS_SUCCESS; 122 using ::NAN_STATUS_UNSUPPORTED_CONCURRENCY_NAN_DISABLED; 123 using ::NAN_SUBSCRIBE_TYPE_ACTIVE; 124 using ::NAN_SUBSCRIBE_TYPE_PASSIVE; 125 using ::NAN_SUSPEND_REQUEST_RESPONSE; 126 using ::NAN_TRANSMIT_IN_DW; 127 using ::NAN_TRANSMIT_IN_FAW; 128 using ::NAN_TX_PRIORITY_HIGH; 129 using ::NAN_TX_PRIORITY_NORMAL; 130 using ::NAN_TX_TYPE_BROADCAST; 131 using ::NAN_TX_TYPE_UNICAST; 132 using ::NAN_USE_SRF; 133 using ::NanAkm; 134 using ::NanBeaconSdfPayloadInd; 135 using ::NanBootstrappingConfirmInd; 136 using ::NanBootstrappingIndicationResponse; 137 using ::NanBootstrappingRequest; 138 using ::NanBootstrappingRequestInd; 139 using ::NanBootstrappingRequestResponse; 140 using ::NanBootstrappingResponseCode; 141 using ::NanCapabilities; 142 using ::NanChannelInfo; 143 using ::NanConfigRequest; 144 using ::NanDataPathChannelCfg; 145 using ::NanDataPathConfirmInd; 146 using ::NanDataPathEndInd; 147 using ::NanDataPathIndicationResponse; 148 using ::NanDataPathInitiatorRequest; 149 using ::NanDataPathRequestInd; 150 using ::NanDataPathScheduleUpdateInd; 151 using ::NanDisabledInd; 152 using ::NanDiscEngEventInd; 153 using ::NanEnableRequest; 154 using ::NanFollowupInd; 155 using ::NanIdentityResolutionAttribute; 156 using ::NanMatchAlg; 157 using ::NanMatchExpiredInd; 158 using ::NanMatchInd; 159 using ::NanPairingConfig; 160 using ::NanPairingConfirmInd; 161 using ::NanPairingEndRequest; 162 using ::NanPairingIndicationResponse; 163 using ::NanPairingRequest; 164 using ::NanPairingRequestInd; 165 using ::NanPairingRequestResponse; 166 using ::NanPairingRequestType; 167 using ::NanPairingResponseCode; 168 using ::NanPublishCancelRequest; 169 using ::NanPublishRequest; 170 using ::NanPublishTerminatedInd; 171 using ::NanPublishType; 172 using ::NanRangeReportInd; 173 using ::NanRangeRequestInd; 174 using ::NanResponseMsg; 175 using ::NanResumeRequest; 176 using ::NanSRFType; 177 using ::NanStatusType; 178 using ::NanSubscribeCancelRequest; 179 using ::NanSubscribeRequest; 180 using ::NanSubscribeTerminatedInd; 181 using ::NanSubscribeType; 182 using ::NanSuspendRequest; 183 using ::NanSuspensionModeChangeInd; 184 using ::NanTransmitFollowupInd; 185 using ::NanTransmitFollowupRequest; 186 using ::NanTxType; 187 using ::NpkSecurityAssociation; 188 using ::PASN; 189 using ::ROAMING_AGGRESSIVE; 190 using ::ROAMING_DISABLE; 191 using ::ROAMING_ENABLE; 192 using ::RTT_PEER_AP; 193 using ::RTT_PEER_NAN; 194 using ::RTT_PEER_P2P_CLIENT; 195 using ::RTT_PEER_P2P_GO; 196 using ::RTT_PEER_STA; 197 using ::rtt_peer_type; 198 using ::RTT_STATUS_ABORTED; 199 using ::RTT_STATUS_FAIL_AP_ON_DIFF_CHANNEL; 200 using ::RTT_STATUS_FAIL_BUSY_TRY_LATER; 201 using ::RTT_STATUS_FAIL_FTM_PARAM_OVERRIDE; 202 using ::RTT_STATUS_FAIL_INVALID_TS; 203 using ::RTT_STATUS_FAIL_NO_CAPABILITY; 204 using ::RTT_STATUS_FAIL_NO_RSP; 205 using ::RTT_STATUS_FAIL_NOT_SCHEDULED_YET; 206 using ::RTT_STATUS_FAIL_PROTOCOL; 207 using ::RTT_STATUS_FAIL_REJECTED; 208 using ::RTT_STATUS_FAIL_SCHEDULE; 209 using ::RTT_STATUS_FAIL_TM_TIMEOUT; 210 using ::RTT_STATUS_FAILURE; 211 using ::RTT_STATUS_INVALID_REQ; 212 using ::RTT_STATUS_NAN_RANGING_CONCURRENCY_NOT_SUPPORTED; 213 using ::RTT_STATUS_NAN_RANGING_PROTOCOL_FAILURE; 214 using ::RTT_STATUS_NO_WIFI; 215 using ::RTT_STATUS_SUCCESS; 216 using ::RTT_TYPE_1_SIDED; 217 using ::RTT_TYPE_2_SIDED; 218 using ::RTT_TYPE_2_SIDED_11AZ_NTB; 219 using ::RTT_TYPE_2_SIDED_11MC; 220 using ::RX_PKT_FATE_DRV_DROP_FILTER; 221 using ::RX_PKT_FATE_DRV_DROP_INVALID; 222 using ::RX_PKT_FATE_DRV_DROP_NOBUFS; 223 using ::RX_PKT_FATE_DRV_DROP_OTHER; 224 using ::RX_PKT_FATE_DRV_QUEUED; 225 using ::RX_PKT_FATE_FW_DROP_FILTER; 226 using ::RX_PKT_FATE_FW_DROP_INVALID; 227 using ::RX_PKT_FATE_FW_DROP_NOBUFS; 228 using ::RX_PKT_FATE_FW_DROP_OTHER; 229 using ::RX_PKT_FATE_FW_QUEUED; 230 using ::RX_PKT_FATE_SUCCESS; 231 using ::SAE; 232 using ::ssid_t; 233 using ::transaction_id; 234 using ::TX_PKT_FATE_ACKED; 235 using ::TX_PKT_FATE_DRV_DROP_INVALID; 236 using ::TX_PKT_FATE_DRV_DROP_NOBUFS; 237 using ::TX_PKT_FATE_DRV_DROP_OTHER; 238 using ::TX_PKT_FATE_DRV_QUEUED; 239 using ::TX_PKT_FATE_FW_DROP_INVALID; 240 using ::TX_PKT_FATE_FW_DROP_NOBUFS; 241 using ::TX_PKT_FATE_FW_DROP_OTHER; 242 using ::TX_PKT_FATE_FW_QUEUED; 243 using ::TX_PKT_FATE_SENT; 244 using ::WIFI_AC_BE; 245 using ::WIFI_AC_BK; 246 using ::WIFI_AC_VI; 247 using ::WIFI_AC_VO; 248 using ::WIFI_ANTENNA_1X1; 249 using ::WIFI_ANTENNA_2X2; 250 using ::WIFI_ANTENNA_3X3; 251 using ::WIFI_ANTENNA_4X4; 252 using ::WIFI_ANTENNA_UNSPECIFIED; 253 using ::wifi_band; 254 using ::WIFI_BAND_A; 255 using ::WIFI_BAND_A_DFS; 256 using ::WIFI_BAND_A_WITH_DFS; 257 using ::WIFI_BAND_ABG; 258 using ::WIFI_BAND_ABG_WITH_DFS; 259 using ::WIFI_BAND_BG; 260 using ::WIFI_BAND_UNSPECIFIED; 261 using ::wifi_cached_scan_report; 262 using ::wifi_cached_scan_result; 263 using ::wifi_cached_scan_results; 264 using ::WIFI_CHAN_WIDTH_10; 265 using ::WIFI_CHAN_WIDTH_160; 266 using ::WIFI_CHAN_WIDTH_20; 267 using ::WIFI_CHAN_WIDTH_320; 268 using ::WIFI_CHAN_WIDTH_40; 269 using ::WIFI_CHAN_WIDTH_5; 270 using ::WIFI_CHAN_WIDTH_80; 271 using ::WIFI_CHAN_WIDTH_80P80; 272 using ::WIFI_CHAN_WIDTH_INVALID; 273 using ::wifi_channel_category; 274 using ::wifi_channel_info; 275 using ::wifi_channel_stat; 276 using ::wifi_channel_width; 277 using ::wifi_chip_capabilities; 278 using ::wifi_coex_restriction; 279 using ::wifi_coex_unsafe_channel; 280 using ::WIFI_DFS_CHANNEL; 281 using ::WIFI_DUAL_STA_NON_TRANSIENT_UNBIASED; 282 using ::WIFI_DUAL_STA_TRANSIENT_PREFER_PRIMARY; 283 using ::wifi_error; 284 using ::WIFI_ERROR_BUSY; 285 using ::WIFI_ERROR_INVALID_ARGS; 286 using ::WIFI_ERROR_INVALID_REQUEST_ID; 287 using ::WIFI_ERROR_NONE; 288 using ::WIFI_ERROR_NOT_AVAILABLE; 289 using ::WIFI_ERROR_NOT_SUPPORTED; 290 using ::WIFI_ERROR_OUT_OF_MEMORY; 291 using ::WIFI_ERROR_TIMED_OUT; 292 using ::WIFI_ERROR_TOO_MANY_REQUESTS; 293 using ::WIFI_ERROR_UNINITIALIZED; 294 using ::WIFI_ERROR_UNKNOWN; 295 using ::wifi_gscan_capabilities; 296 using ::wifi_hal_fn; 297 using ::wifi_iface_concurrency_matrix; 298 using ::WIFI_INDOOR_CHANNEL; 299 using ::wifi_information_element; 300 using ::WIFI_INTERFACE_IBSS; 301 using ::WIFI_INTERFACE_MESH; 302 using ::wifi_interface_mode; 303 using ::WIFI_INTERFACE_NAN; 304 using ::WIFI_INTERFACE_P2P_CLIENT; 305 using ::WIFI_INTERFACE_P2P_GO; 306 using ::WIFI_INTERFACE_SOFTAP; 307 using ::WIFI_INTERFACE_STA; 308 using ::WIFI_INTERFACE_TDLS; 309 using ::wifi_interface_type; 310 using ::WIFI_INTERFACE_TYPE_AP; 311 using ::WIFI_INTERFACE_TYPE_NAN; 312 using ::WIFI_INTERFACE_TYPE_P2P; 313 using ::WIFI_INTERFACE_TYPE_STA; 314 using ::WIFI_INTERFACE_UNKNOWN; 315 using ::wifi_latency_mode; 316 using ::WIFI_LATENCY_MODE_LOW; 317 using ::WIFI_LATENCY_MODE_NORMAL; 318 using ::wifi_lci_information; 319 using ::wifi_lcr_information; 320 using ::WIFI_LOGGER_CONNECT_EVENT_SUPPORTED; 321 using ::WIFI_LOGGER_DRIVER_DUMP_SUPPORTED; 322 using ::WIFI_LOGGER_MEMORY_DUMP_SUPPORTED; 323 using ::WIFI_LOGGER_PACKET_FATE_SUPPORTED; 324 using ::WIFI_LOGGER_POWER_EVENT_SUPPORTED; 325 using ::WIFI_LOGGER_WAKE_LOCK_SUPPORTED; 326 using ::wifi_mlo_mode; 327 using ::WIFI_MOTION_EXPECTED; 328 using ::WIFI_MOTION_NOT_EXPECTED; 329 using ::wifi_motion_pattern; 330 using ::WIFI_MOTION_UNKNOWN; 331 using ::wifi_multi_sta_use_case; 332 using ::wifi_power_scenario; 333 using ::WIFI_POWER_SCENARIO_ON_BODY_CELL_OFF; 334 using ::WIFI_POWER_SCENARIO_ON_BODY_CELL_ON; 335 using ::WIFI_POWER_SCENARIO_ON_HEAD_CELL_OFF; 336 using ::WIFI_POWER_SCENARIO_ON_HEAD_CELL_ON; 337 using ::WIFI_POWER_SCENARIO_VOICE_CALL; 338 using ::wifi_radio_combination; 339 using ::wifi_radio_combination_matrix; 340 using ::wifi_radio_configuration; 341 using ::wifi_rate; 342 using ::wifi_request_id; 343 using ::wifi_ring_buffer_status; 344 using ::wifi_roaming_capabilities; 345 using ::wifi_roaming_config; 346 using ::wifi_rtt_bw; 347 using ::WIFI_RTT_BW_10; 348 using ::WIFI_RTT_BW_160; 349 using ::WIFI_RTT_BW_20; 350 using ::WIFI_RTT_BW_320; 351 using ::WIFI_RTT_BW_40; 352 using ::WIFI_RTT_BW_5; 353 using ::WIFI_RTT_BW_80; 354 using ::WIFI_RTT_BW_UNSPECIFIED; 355 using ::wifi_rtt_capabilities; 356 using ::wifi_rtt_capabilities_v3; 357 using ::wifi_rtt_config; 358 using ::wifi_rtt_config_v3; 359 using ::wifi_rtt_preamble; 360 using ::WIFI_RTT_PREAMBLE_EHT; 361 using ::WIFI_RTT_PREAMBLE_HE; 362 using ::WIFI_RTT_PREAMBLE_HT; 363 using ::WIFI_RTT_PREAMBLE_INVALID; 364 using ::WIFI_RTT_PREAMBLE_LEGACY; 365 using ::WIFI_RTT_PREAMBLE_VHT; 366 using ::wifi_rtt_responder; 367 using ::wifi_rtt_result; 368 using ::wifi_rtt_result_v2; 369 using ::wifi_rtt_result_v3; 370 using ::wifi_rtt_status; 371 using ::wifi_rtt_type; 372 using ::wifi_rx_packet_fate; 373 using ::wifi_rx_report; 374 using ::wifi_scan_bucket_spec; 375 using ::wifi_scan_cmd_params; 376 using ::WIFI_SCAN_FLAG_INTERRUPTED; 377 using ::wifi_scan_result; 378 using ::WIFI_SUCCESS; 379 using ::wifi_twt_capabilities; 380 using ::wifi_twt_error_code; 381 using ::wifi_twt_events; 382 using ::wifi_twt_request; 383 using ::wifi_twt_session; 384 using ::wifi_twt_session_stats; 385 using ::wifi_twt_teardown_reason_code; 386 using ::wifi_tx_packet_fate; 387 using ::wifi_tx_report; 388 using ::wifi_usable_channel; 389 using ::WIFI_USABLE_CHANNEL_FILTER_CELLULAR_COEXISTENCE; 390 using ::WIFI_USABLE_CHANNEL_FILTER_CONCURRENCY; 391 using ::WLAN_MAC_2_4_BAND; 392 using ::WLAN_MAC_5_0_BAND; 393 using ::WLAN_MAC_60_0_BAND; 394 using ::WLAN_MAC_6_0_BAND; 395 396 // APF capabilities supported by the iface. 397 struct PacketFilterCapabilities { 398 uint32_t version; 399 uint32_t max_len; 400 }; 401 402 // WARNING: We don't care about the variable sized members of either 403 // |wifi_iface_stat|, |wifi_radio_stat| structures. So, using the pragma 404 // to escape the compiler warnings regarding this. 405 #pragma GCC diagnostic push 406 #pragma GCC diagnostic ignored "-Wgnu-variable-sized-type-not-at-end" 407 // The |wifi_radio_stat.tx_time_per_levels| stats is provided as a pointer in 408 // |wifi_radio_stat| structure in the legacy HAL API. Separate that out 409 // into a separate return element to avoid passing pointers around. 410 struct LinkLayerRadioStats { 411 wifi_radio_stat stats; 412 std::vector<uint32_t> tx_time_per_levels; 413 std::vector<wifi_channel_stat> channel_stats; 414 }; 415 416 struct WifiPeerInfo { 417 wifi_peer_info peer_info; 418 std::vector<wifi_rate_stat> rate_stats; 419 }; 420 421 struct LinkLayerStats { 422 wifi_iface_stat iface; 423 std::vector<LinkLayerRadioStats> radios; 424 std::vector<WifiPeerInfo> peers; 425 bool valid; 426 }; 427 428 struct LinkStats { 429 wifi_link_stat stat; 430 std::vector<WifiPeerInfo> peers; 431 }; 432 433 struct LinkLayerMlStats { 434 wifi_iface_ml_stat iface; 435 std::vector<LinkStats> links; 436 std::vector<LinkLayerRadioStats> radios; 437 bool valid; 438 }; 439 440 struct WifiCachedScanReport { 441 uint64_t ts; 442 std::vector<int> scanned_freqs; 443 std::vector<wifi_cached_scan_result> results; 444 }; 445 446 #pragma GCC diagnostic pop 447 448 // The |WLAN_DRIVER_WAKE_REASON_CNT.cmd_event_wake_cnt| and 449 // |WLAN_DRIVER_WAKE_REASON_CNT.driver_fw_local_wake_cnt| stats is provided 450 // as a pointer in |WLAN_DRIVER_WAKE_REASON_CNT| structure in the legacy HAL 451 // API. Separate that out into a separate return elements to avoid passing 452 // pointers around. 453 struct WakeReasonStats { 454 WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt; 455 std::vector<uint32_t> cmd_event_wake_cnt; 456 std::vector<uint32_t> driver_fw_local_wake_cnt; 457 }; 458 459 // NAN response and event callbacks struct. 460 struct NanCallbackHandlers { 461 // NotifyResponse invoked to notify the status of the Request. 462 std::function<void(transaction_id, const NanResponseMsg&)> on_notify_response; 463 // Various event callbacks. 464 std::function<void(const NanPublishTerminatedInd&)> on_event_publish_terminated; 465 std::function<void(const NanMatchInd&)> on_event_match; 466 std::function<void(const NanMatchExpiredInd&)> on_event_match_expired; 467 std::function<void(const NanSubscribeTerminatedInd&)> on_event_subscribe_terminated; 468 std::function<void(const NanFollowupInd&)> on_event_followup; 469 std::function<void(const NanDiscEngEventInd&)> on_event_disc_eng_event; 470 std::function<void(const NanDisabledInd&)> on_event_disabled; 471 std::function<void(const NanTCAInd&)> on_event_tca; 472 std::function<void(const NanBeaconSdfPayloadInd&)> on_event_beacon_sdf_payload; 473 std::function<void(const NanDataPathRequestInd&)> on_event_data_path_request; 474 std::function<void(const NanDataPathConfirmInd&)> on_event_data_path_confirm; 475 std::function<void(const NanDataPathEndInd&)> on_event_data_path_end; 476 std::function<void(const NanTransmitFollowupInd&)> on_event_transmit_follow_up; 477 std::function<void(const NanRangeRequestInd&)> on_event_range_request; 478 std::function<void(const NanRangeReportInd&)> on_event_range_report; 479 std::function<void(const NanDataPathScheduleUpdateInd&)> on_event_schedule_update; 480 std::function<void(const NanPairingRequestInd&)> on_event_pairing_request; 481 std::function<void(const NanPairingConfirmInd&)> on_event_pairing_confirm; 482 std::function<void(const NanBootstrappingRequestInd&)> on_event_bootstrapping_request; 483 std::function<void(const NanBootstrappingConfirmInd&)> on_event_bootstrapping_confirm; 484 std::function<void(const NanSuspensionModeChangeInd&)> on_event_suspension_mode_change; 485 }; 486 487 // Full scan results contain IE info and are hence passed by reference, to 488 // preserve the variable length array member |ie_data|. Callee must not retain 489 // the pointer. 490 using on_gscan_full_result_callback = 491 std::function<void(wifi_request_id, const wifi_scan_result*, uint32_t)>; 492 // These scan results don't contain any IE info, so no need to pass by 493 // reference. 494 using on_gscan_results_callback = 495 std::function<void(wifi_request_id, const std::vector<wifi_cached_scan_results>&)>; 496 497 // Invoked when the rssi value breaches the thresholds set. 498 using on_rssi_threshold_breached_callback = 499 std::function<void(wifi_request_id, std::array<uint8_t, ETH_ALEN>, int8_t)>; 500 501 // Callback for RTT range request results. 502 // Rtt results contain IE info and are hence passed by reference, to 503 // preserve the |LCI| and |LCR| pointers. Callee must not retain 504 // the pointer. 505 using on_rtt_results_callback = 506 std::function<void(wifi_request_id, const std::vector<const wifi_rtt_result*>&)>; 507 using on_rtt_results_callback_v2 = 508 std::function<void(wifi_request_id, const std::vector<const wifi_rtt_result_v2*>&)>; 509 using on_rtt_results_callback_v3 = 510 std::function<void(wifi_request_id, const std::vector<const wifi_rtt_result_v3*>&)>; 511 512 // Callback for ring buffer data. 513 using on_ring_buffer_data_callback = std::function<void( 514 const std::string&, const std::vector<uint8_t>&, const wifi_ring_buffer_status&)>; 515 516 // Callback for alerts. 517 using on_error_alert_callback = std::function<void(int32_t, const std::vector<uint8_t>&)>; 518 519 // Callback for subsystem restart 520 using on_subsystem_restart_callback = std::function<void(const std::string&)>; 521 522 // Struct for the mac info from the legacy HAL. This is a cleaner version 523 // of the |wifi_mac_info| & |wifi_iface_info|. 524 typedef struct { 525 std::string name; 526 wifi_channel channel; 527 } WifiIfaceInfo; 528 529 typedef struct { 530 uint32_t wlan_mac_id; 531 /* BIT MASK of BIT(WLAN_MAC*) as represented by wlan_mac_band */ 532 uint32_t mac_band; 533 /* Represents the connected Wi-Fi interfaces associated with each MAC */ 534 std::vector<WifiIfaceInfo> iface_infos; 535 } WifiMacInfo; 536 537 // Callback for radio mode change 538 using on_radio_mode_change_callback = std::function<void(const std::vector<WifiMacInfo>&)>; 539 540 // TWT response and event callbacks struct. 541 struct TwtCallbackHandlers { 542 // Callback for TWT setup response 543 std::function<void(const TwtSetupResponse&)> on_setup_response; 544 // Callback for TWT teardown completion 545 std::function<void(const TwtTeardownCompletion&)> on_teardown_completion; 546 // Callback for TWT info frame received event 547 std::function<void(const TwtInfoFrameReceived&)> on_info_frame_received; 548 // Callback for TWT notification from the device 549 std::function<void(const TwtDeviceNotify&)> on_device_notify; 550 }; 551 552 // CHRE response and event callbacks struct. 553 struct ChreCallbackHandlers { 554 // Callback for CHRE NAN RTT 555 std::function<void(chre_nan_rtt_state)> on_wifi_chre_nan_rtt_state; 556 }; 557 558 using on_cached_scan_results_callback = std::function<void(wifi_cached_scan_report*)>; 559 560 struct CachedScanResultsCallbfackHandlers { 561 // Callback for Cached Scan Results 562 std::function<void(wifi_cached_scan_report*)> on_cached_scan_results; 563 }; 564 565 using on_twt_failure = std::function<void(wifi_request_id id, wifi_twt_error_code error_code)>; 566 using on_twt_session_create = std::function<void(wifi_request_id id, wifi_twt_session twt_session)>; 567 using on_twt_session_update = std::function<void(wifi_request_id id, wifi_twt_session twt_session)>; 568 using on_twt_session_teardown = std::function<void(wifi_request_id id, int session_id, 569 wifi_twt_teardown_reason_code reason_code)>; 570 using on_twt_session_stats = 571 std::function<void(wifi_request_id id, int session_id, wifi_twt_session_stats stats)>; 572 using on_twt_session_suspend = std::function<void(wifi_request_id id, int session_id)>; 573 using on_twt_session_resume = std::function<void(wifi_request_id id, int session_id)>; 574 575 /** 576 * Class that encapsulates all legacy HAL interactions. 577 * This class manages the lifetime of the event loop thread used by legacy HAL. 578 * 579 * Note: There will only be a single instance of this class created in the Wifi 580 * object and will be valid for the lifetime of the process. 581 */ 582 class WifiLegacyHal { 583 public: 584 WifiLegacyHal(const std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool, 585 const wifi_hal_fn& fn, bool is_primary); 586 virtual ~WifiLegacyHal() = default; 587 588 // Initialize the legacy HAL function table. 589 virtual wifi_error initialize(); 590 // Start the legacy HAL and the event looper thread. 591 virtual wifi_error start(); 592 // Deinitialize the legacy HAL and wait for the event loop thread to exit 593 // using a predefined timeout. 594 virtual wifi_error stop(std::unique_lock<std::recursive_mutex>* lock, 595 const std::function<void()>& on_complete_callback); 596 virtual wifi_error waitForDriverReady(); 597 // Checks if legacy HAL has successfully started 598 bool isStarted(); 599 // Wrappers for all the functions in the legacy HAL function table. 600 virtual std::pair<wifi_error, std::string> getDriverVersion(const std::string& iface_name); 601 virtual std::pair<wifi_error, std::string> getFirmwareVersion(const std::string& iface_name); 602 std::pair<wifi_error, std::vector<uint8_t>> requestDriverMemoryDump( 603 const std::string& iface_name); 604 std::pair<wifi_error, std::vector<uint8_t>> requestFirmwareMemoryDump( 605 const std::string& iface_name); 606 virtual std::pair<wifi_error, uint64_t> getSupportedFeatureSet(const std::string& iface_name); 607 // APF functions. 608 std::pair<wifi_error, PacketFilterCapabilities> getPacketFilterCapabilities( 609 const std::string& iface_name); 610 wifi_error setPacketFilter(const std::string& iface_name, const std::vector<uint8_t>& program); 611 std::pair<wifi_error, std::vector<uint8_t>> readApfPacketFilterData( 612 const std::string& iface_name); 613 // Gscan functions. 614 std::pair<wifi_error, wifi_gscan_capabilities> getGscanCapabilities( 615 const std::string& iface_name); 616 // These API's provides a simplified interface over the legacy Gscan API's: 617 // a) All scan events from the legacy HAL API other than the 618 // |WIFI_SCAN_FAILED| are treated as notification of results. 619 // This method then retrieves the cached scan results from the legacy 620 // HAL API and triggers the externally provided 621 // |on_results_user_callback| on success. 622 // b) |WIFI_SCAN_FAILED| scan event or failure to retrieve cached scan 623 // results 624 // Triggers the externally provided |on_failure_user_callback|. 625 // c) Full scan result event triggers the externally provided 626 // |on_full_result_user_callback|. 627 wifi_error startGscan(const std::string& iface_name, wifi_request_id id, 628 const wifi_scan_cmd_params& params, 629 const std::function<void(wifi_request_id)>& on_failure_callback, 630 const on_gscan_results_callback& on_results_callback, 631 const on_gscan_full_result_callback& on_full_result_callback); 632 wifi_error stopGscan(const std::string& iface_name, wifi_request_id id); 633 std::pair<wifi_error, std::vector<uint32_t>> getValidFrequenciesForBand( 634 const std::string& iface_name, wifi_band band); 635 virtual wifi_error setDfsFlag(const std::string& iface_name, bool dfs_on); 636 // Link layer stats functions. 637 wifi_error enableLinkLayerStats(const std::string& iface_name, bool debug); 638 wifi_error disableLinkLayerStats(const std::string& iface_name); 639 wifi_error getLinkLayerStats(const std::string& iface_name, 640 legacy_hal::LinkLayerStats& legacy_stats, 641 legacy_hal::LinkLayerMlStats& legacy_ml_stats); 642 // RSSI monitor functions. 643 wifi_error startRssiMonitoring( 644 const std::string& iface_name, wifi_request_id id, int8_t max_rssi, int8_t min_rssi, 645 const on_rssi_threshold_breached_callback& on_threshold_breached_callback); 646 wifi_error stopRssiMonitoring(const std::string& iface_name, wifi_request_id id); 647 std::pair<wifi_error, wifi_roaming_capabilities> getRoamingCapabilities( 648 const std::string& iface_name); 649 wifi_error configureRoaming(const std::string& iface_name, const wifi_roaming_config& config); 650 wifi_error enableFirmwareRoaming(const std::string& iface_name, fw_roaming_state_t state); 651 wifi_error configureNdOffload(const std::string& iface_name, bool enable); 652 wifi_error startSendingOffloadedPacket(const std::string& iface_name, int32_t cmd_id, 653 uint16_t ether_type, 654 const std::vector<uint8_t>& ip_packet_data, 655 const std::array<uint8_t, 6>& src_address, 656 const std::array<uint8_t, 6>& dst_address, 657 int32_t period_in_ms); 658 wifi_error stopSendingOffloadedPacket(const std::string& iface_name, uint32_t cmd_id); 659 virtual wifi_error selectTxPowerScenario(const std::string& iface_name, 660 wifi_power_scenario scenario); 661 virtual wifi_error resetTxPowerScenario(const std::string& iface_name); 662 wifi_error setLatencyMode(const std::string& iface_name, wifi_latency_mode mode); 663 wifi_error setThermalMitigationMode(wifi_thermal_mode mode, uint32_t completion_window); 664 wifi_error setDscpToAccessCategoryMapping(uint32_t start, uint32_t end, 665 uint32_t access_category); 666 wifi_error resetDscpToAccessCategoryMapping(); 667 // Logger/debug functions. 668 std::pair<wifi_error, uint32_t> getLoggerSupportedFeatureSet(const std::string& iface_name); 669 wifi_error startPktFateMonitoring(const std::string& iface_name); 670 std::pair<wifi_error, std::vector<wifi_tx_report>> getTxPktFates(const std::string& iface_name); 671 std::pair<wifi_error, std::vector<wifi_rx_report>> getRxPktFates(const std::string& iface_name); 672 std::pair<wifi_error, WakeReasonStats> getWakeReasonStats(const std::string& iface_name); 673 wifi_error registerRingBufferCallbackHandler( 674 const std::string& iface_name, const on_ring_buffer_data_callback& on_data_callback); 675 wifi_error deregisterRingBufferCallbackHandler(const std::string& iface_name); 676 virtual wifi_error registerSubsystemRestartCallbackHandler( 677 const on_subsystem_restart_callback& on_restart_callback); 678 std::pair<wifi_error, std::vector<wifi_ring_buffer_status>> getRingBuffersStatus( 679 const std::string& iface_name); 680 wifi_error startRingBufferLogging(const std::string& iface_name, const std::string& ring_name, 681 uint32_t verbose_level, uint32_t max_interval_sec, 682 uint32_t min_data_size); 683 wifi_error getRingBufferData(const std::string& iface_name, const std::string& ring_name); 684 wifi_error registerErrorAlertCallbackHandler(const std::string& iface_name, 685 const on_error_alert_callback& on_alert_callback); 686 wifi_error deregisterErrorAlertCallbackHandler(const std::string& iface_name); 687 // Radio mode functions. 688 virtual wifi_error registerRadioModeChangeCallbackHandler( 689 const std::string& iface_name, 690 const on_radio_mode_change_callback& on_user_change_callback); 691 // RTT functions. 692 wifi_error startRttRangeRequest(const std::string& iface_name, wifi_request_id id, 693 const std::vector<wifi_rtt_config>& rtt_configs, 694 const on_rtt_results_callback& on_results_callback, 695 const on_rtt_results_callback_v2& on_results_callback_v2); 696 wifi_error startRttRangeRequestV3(const std::string& iface_name, wifi_request_id id, 697 const std::vector<wifi_rtt_config_v3>& rtt_configs, 698 const on_rtt_results_callback_v3& on_results_callback); 699 700 wifi_error cancelRttRangeRequest(const std::string& iface_name, wifi_request_id id, 701 const std::vector<std::array<uint8_t, ETH_ALEN>>& mac_addrs); 702 std::pair<wifi_error, wifi_rtt_capabilities> getRttCapabilities(const std::string& iface_name); 703 std::pair<wifi_error, wifi_rtt_capabilities_v3> getRttCapabilitiesV3( 704 const std::string& iface_name); 705 std::pair<wifi_error, wifi_rtt_responder> getRttResponderInfo(const std::string& iface_name); 706 wifi_error enableRttResponder(const std::string& iface_name, wifi_request_id id, 707 const wifi_channel_info& channel_hint, uint32_t max_duration_secs, 708 const wifi_rtt_responder& info); 709 wifi_error disableRttResponder(const std::string& iface_name, wifi_request_id id); 710 wifi_error setRttLci(const std::string& iface_name, wifi_request_id id, 711 const wifi_lci_information& info); 712 wifi_error setRttLcr(const std::string& iface_name, wifi_request_id id, 713 const wifi_lcr_information& info); 714 // NAN functions. 715 virtual wifi_error nanRegisterCallbackHandlers(const std::string& iface_name, 716 const NanCallbackHandlers& callbacks); 717 wifi_error nanEnableRequest(const std::string& iface_name, transaction_id id, 718 const NanEnableRequest& msg); 719 virtual wifi_error nanDisableRequest(const std::string& iface_name, transaction_id id); 720 wifi_error nanPublishRequest(const std::string& iface_name, transaction_id id, 721 const NanPublishRequest& msg); 722 wifi_error nanPublishCancelRequest(const std::string& iface_name, transaction_id id, 723 const NanPublishCancelRequest& msg); 724 wifi_error nanSubscribeRequest(const std::string& iface_name, transaction_id id, 725 const NanSubscribeRequest& msg); 726 wifi_error nanSubscribeCancelRequest(const std::string& iface_name, transaction_id id, 727 const NanSubscribeCancelRequest& msg); 728 wifi_error nanTransmitFollowupRequest(const std::string& iface_name, transaction_id id, 729 const NanTransmitFollowupRequest& msg); 730 wifi_error nanStatsRequest(const std::string& iface_name, transaction_id id, 731 const NanStatsRequest& msg); 732 wifi_error nanConfigRequest(const std::string& iface_name, transaction_id id, 733 const NanConfigRequest& msg); 734 wifi_error nanTcaRequest(const std::string& iface_name, transaction_id id, 735 const NanTCARequest& msg); 736 wifi_error nanBeaconSdfPayloadRequest(const std::string& iface_name, transaction_id id, 737 const NanBeaconSdfPayloadRequest& msg); 738 std::pair<wifi_error, NanVersion> nanGetVersion(); 739 wifi_error nanGetCapabilities(const std::string& iface_name, transaction_id id); 740 wifi_error nanDataInterfaceCreate(const std::string& iface_name, transaction_id id, 741 const std::string& data_iface_name); 742 virtual wifi_error nanDataInterfaceDelete(const std::string& iface_name, transaction_id id, 743 const std::string& data_iface_name); 744 wifi_error nanDataRequestInitiator(const std::string& iface_name, transaction_id id, 745 const NanDataPathInitiatorRequest& msg); 746 wifi_error nanDataIndicationResponse(const std::string& iface_name, transaction_id id, 747 const NanDataPathIndicationResponse& msg); 748 wifi_error nanPairingRequest(const std::string& iface_name, transaction_id id, 749 const NanPairingRequest& msg); 750 wifi_error nanPairingIndicationResponse(const std::string& iface_name, transaction_id id, 751 const NanPairingIndicationResponse& msg); 752 wifi_error nanBootstrappingRequest(const std::string& iface_name, transaction_id id, 753 const NanBootstrappingRequest& msg); 754 wifi_error nanBootstrappingIndicationResponse(const std::string& iface_name, transaction_id id, 755 const NanBootstrappingIndicationResponse& msg); 756 wifi_error nanDataEnd(const std::string& iface_name, transaction_id id, uint32_t ndpInstanceId); 757 wifi_error nanPairingEnd(const std::string& iface_name, transaction_id id, uint32_t pairingId); 758 wifi_error nanSuspendRequest(const std::string& iface_name, transaction_id id, 759 const NanSuspendRequest& msg); 760 wifi_error nanResumeRequest(const std::string& iface_name, transaction_id id, 761 const NanResumeRequest& msg); 762 // AP functions. 763 wifi_error setCountryCode(const std::string& iface_name, const std::array<uint8_t, 2> code); 764 765 // Interface functions. 766 virtual wifi_error createVirtualInterface(const std::string& ifname, 767 wifi_interface_type iftype); 768 virtual wifi_error deleteVirtualInterface(const std::string& ifname); 769 virtual wifi_error getSupportedIfaceName(uint32_t iface_type, std::string& ifname); 770 771 // STA + STA functions 772 virtual wifi_error multiStaSetPrimaryConnection(const std::string& ifname); 773 virtual wifi_error multiStaSetUseCase(wifi_multi_sta_use_case use_case); 774 775 // Coex functions. 776 virtual wifi_error setCoexUnsafeChannels(std::vector<wifi_coex_unsafe_channel> unsafe_channels, 777 uint32_t restrictions); 778 779 wifi_error setVoipMode(const std::string& iface_name, wifi_voip_mode mode); 780 781 // TWT functions 782 std::pair<wifi_twt_capabilities, wifi_error> twtGetCapabilities(const std::string& ifaceName); 783 wifi_error twtRegisterEvents( 784 const std::string& ifaceName, const on_twt_failure& on_twt_failure_user_callback, 785 const on_twt_session_create& on_twt_session_create_user_callback, 786 const on_twt_session_update& on_twt_session_update_user_callback, 787 const on_twt_session_teardown& on_twt_session_teardown_user_callback, 788 const on_twt_session_stats& on_twt_session_stats_user_callback, 789 const on_twt_session_suspend& on_twt_session_suspend_user_callback, 790 const on_twt_session_resume& on_twt_session_resume_user_callback); 791 wifi_error twtSessionSetup(const std::string& ifaceName, uint32_t cmdId, 792 const wifi_twt_request& request); 793 wifi_error twtSessionUpdate(const std::string& ifaceName, uint32_t cmdId, uint32_t sessionId, 794 const wifi_twt_request& request); 795 wifi_error twtSessionSuspend(const std::string& ifaceName, uint32_t cmdId, uint32_t sessionId); 796 wifi_error twtSessionResume(const std::string& ifaceName, uint32_t cmdId, uint32_t sessionId); 797 wifi_error twtSessionTeardown(const std::string& ifaceName, uint32_t cmdId, uint32_t sessionId); 798 wifi_error twtSessionGetStats(const std::string& ifaceName, uint32_t cmdId, uint32_t sessionId); 799 800 // Note: Following TWT functions are deprecated 801 // Deprecated by twtRegisterEvegnts 802 wifi_error twtRegisterHandler(const std::string& iface_name, 803 const TwtCallbackHandlers& handler); 804 // Deprecated by twtGetCapabilities 805 std::pair<wifi_error, TwtCapabilitySet> twtGetCapability(const std::string& iface_name); 806 // Deprecated by twtSessionSetup 807 wifi_error twtSetupRequest(const std::string& iface_name, const TwtSetupRequest& msg); 808 // Deprecated by twtSessionTeardown 809 wifi_error twtTearDownRequest(const std::string& iface_name, const TwtTeardownRequest& msg); 810 // Deprecated by twtSessionSuspend and twtSessionResume 811 wifi_error twtInfoFrameRequest(const std::string& iface_name, const TwtInfoFrameRequest& msg); 812 // Deprecated by twtSessionGetStats 813 std::pair<wifi_error, TwtStats> twtGetStats(const std::string& iface_name, uint8_t configId); 814 // Deprecated 815 wifi_error twtClearStats(const std::string& iface_name, uint8_t configId); 816 817 wifi_error setScanMode(const std::string& iface_name, bool enable); 818 819 wifi_error setDtimConfig(const std::string& iface_name, uint32_t multiplier); 820 821 // Retrieve the list of usable channels in the requested bands 822 // for the requested modes 823 std::pair<wifi_error, std::vector<wifi_usable_channel>> getUsableChannels( 824 uint32_t band_mask, uint32_t iface_mode_mask, uint32_t filter_mask); 825 826 wifi_error triggerSubsystemRestart(); 827 828 wifi_error setIndoorState(bool isIndoor); 829 830 std::pair<wifi_error, wifi_radio_combination_matrix*> getSupportedRadioCombinationsMatrix(); 831 832 // CHRE NAN RTT function 833 wifi_error chreNanRttRequest(const std::string& iface_name, bool enable); 834 835 wifi_error chreRegisterHandler(const std::string& iface_name, 836 const ChreCallbackHandlers& handler); 837 838 wifi_error enableWifiTxPowerLimits(const std::string& iface_name, bool enable); 839 wifi_error getWifiCachedScanResults(const std::string& iface_name, 840 WifiCachedScanReport& report); 841 std::pair<wifi_error, wifi_chip_capabilities> getWifiChipCapabilities(); 842 wifi_error enableStaChannelForPeerNetwork(uint32_t channelCategoryEnableFlag); 843 wifi_error setMloMode(wifi_mlo_mode mode); 844 std::pair<wifi_error, wifi_iface_concurrency_matrix> getSupportedIfaceConcurrencyMatrix(); 845 846 private: 847 // Retrieve interface handles for all the available interfaces. 848 wifi_error retrieveIfaceHandles(); 849 wifi_interface_handle getIfaceHandle(const std::string& iface_name); 850 // Run the legacy HAL event loop thread. 851 void runEventLoop(); 852 // Retrieve the cached gscan results to pass the results back to the 853 // external callbacks. 854 std::pair<wifi_error, std::vector<wifi_cached_scan_results>> getGscanCachedResults( 855 const std::string& iface_name); 856 void invalidate(); 857 // Handles wifi (error) status of Virtual interface create/delete 858 wifi_error handleVirtualInterfaceCreateOrDeleteStatus(const std::string& ifname, 859 wifi_error status); 860 wifi_link_stat* copyLinkStat(wifi_link_stat* stat_ptr, std::vector<LinkStats>& stats); 861 wifi_peer_info* copyPeerInfo(wifi_peer_info* peer_ptr, std::vector<WifiPeerInfo>& peers); 862 863 // Global function table of legacy HAL. 864 wifi_hal_fn global_func_table_; 865 // Opaque handle to be used for all global operations. 866 wifi_handle global_handle_; 867 // Map of interface name to handle that is to be used for all interface 868 // specific operations. 869 std::map<std::string, wifi_interface_handle> iface_name_to_handle_; 870 // Flag to indicate if we have initiated the cleanup of legacy HAL. 871 std::atomic<bool> awaiting_event_loop_termination_; 872 std::condition_variable_any stop_wait_cv_; 873 // Flag to indicate if the legacy HAL has been started. 874 bool is_started_; 875 std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool_; 876 // Flag to indicate if this HAL is for the primary chip. This is used 877 // in order to avoid some hard-coded behavior used with older HALs, 878 // such as bring wlan0 interface up/down on start/stop HAL. 879 // it may be removed once vendor HALs are updated. 880 bool is_primary_; 881 }; 882 883 } // namespace legacy_hal 884 } // namespace wifi 885 } // namespace hardware 886 } // namespace android 887 } // namespace aidl 888 889 #endif // WIFI_LEGACY_HAL_H_ 890