Add AIDL implementation for the vendor HAL service.
Bug: 205044134
Test: Pass AIDL VTS tests and regression tests.
Change-Id: Iad04ce01f71fc220443e05a4be05d7d5545227e8
diff --git a/wifi/aidl/default/wifi_legacy_hal.h b/wifi/aidl/default/wifi_legacy_hal.h
new file mode 100644
index 0000000..cd8c0b1
--- /dev/null
+++ b/wifi/aidl/default/wifi_legacy_hal.h
@@ -0,0 +1,738 @@
+/*
+ * Copyright (C) 2022 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef WIFI_LEGACY_HAL_H_
+#define WIFI_LEGACY_HAL_H_
+
+#include <hardware_legacy/wifi_hal.h>
+#include <wifi_system/interface_tool.h>
+
+#include <condition_variable>
+#include <functional>
+#include <map>
+#include <mutex>
+#include <thread>
+#include <vector>
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace wifi {
+// This is in a separate namespace to prevent typename conflicts between
+// the legacy HAL types and the AIDL interface types.
+namespace legacy_hal {
+// Import all the types defined inside the legacy HAL header files into this
+// namespace.
+using ::chre_nan_rtt_state;
+using ::frame_info;
+using ::frame_type;
+using ::FRAME_TYPE_80211_MGMT;
+using ::FRAME_TYPE_ETHERNET_II;
+using ::FRAME_TYPE_UNKNOWN;
+using ::fw_roaming_state_t;
+using ::mac_addr;
+using ::NAN_CHANNEL_24G_BAND;
+using ::NAN_CHANNEL_5G_BAND_HIGH;
+using ::NAN_CHANNEL_5G_BAND_LOW;
+using ::NAN_DISABLE_RANGE_REPORT;
+using ::NAN_DO_NOT_USE_SRF;
+using ::NAN_DP_CHANNEL_NOT_REQUESTED;
+using ::NAN_DP_CONFIG_NO_SECURITY;
+using ::NAN_DP_CONFIG_SECURITY;
+using ::NAN_DP_END;
+using ::NAN_DP_FORCE_CHANNEL_SETUP;
+using ::NAN_DP_INITIATOR_RESPONSE;
+using ::NAN_DP_INTERFACE_CREATE;
+using ::NAN_DP_INTERFACE_DELETE;
+using ::NAN_DP_REQUEST_ACCEPT;
+using ::NAN_DP_REQUEST_CHANNEL_SETUP;
+using ::NAN_DP_REQUEST_REJECT;
+using ::NAN_DP_RESPONDER_RESPONSE;
+using ::NAN_GET_CAPABILITIES;
+using ::NAN_MATCH_ALG_MATCH_CONTINUOUS;
+using ::NAN_MATCH_ALG_MATCH_NEVER;
+using ::NAN_MATCH_ALG_MATCH_ONCE;
+using ::NAN_PUBLISH_TYPE_SOLICITED;
+using ::NAN_PUBLISH_TYPE_UNSOLICITED;
+using ::NAN_PUBLISH_TYPE_UNSOLICITED_SOLICITED;
+using ::NAN_RANGING_AUTO_RESPONSE_DISABLE;
+using ::NAN_RANGING_AUTO_RESPONSE_ENABLE;
+using ::NAN_RANGING_DISABLE;
+using ::NAN_RANGING_ENABLE;
+using ::NAN_RESPONSE_BEACON_SDF_PAYLOAD;
+using ::NAN_RESPONSE_CONFIG;
+using ::NAN_RESPONSE_DISABLED;
+using ::NAN_RESPONSE_ENABLED;
+using ::NAN_RESPONSE_ERROR;
+using ::NAN_RESPONSE_PUBLISH;
+using ::NAN_RESPONSE_PUBLISH_CANCEL;
+using ::NAN_RESPONSE_STATS;
+using ::NAN_RESPONSE_SUBSCRIBE;
+using ::NAN_RESPONSE_SUBSCRIBE_CANCEL;
+using ::NAN_RESPONSE_TCA;
+using ::NAN_RESPONSE_TRANSMIT_FOLLOWUP;
+using ::NAN_SECURITY_KEY_INPUT_PASSPHRASE;
+using ::NAN_SECURITY_KEY_INPUT_PMK;
+using ::NAN_SERVICE_ACCEPT_POLICY_ALL;
+using ::NAN_SERVICE_ACCEPT_POLICY_NONE;
+using ::NAN_SRF_ATTR_BLOOM_FILTER;
+using ::NAN_SRF_ATTR_PARTIAL_MAC_ADDR;
+using ::NAN_SRF_INCLUDE_DO_NOT_RESPOND;
+using ::NAN_SRF_INCLUDE_RESPOND;
+using ::NAN_SSI_NOT_REQUIRED_IN_MATCH_IND;
+using ::NAN_SSI_REQUIRED_IN_MATCH_IND;
+using ::NAN_STATUS_ALREADY_ENABLED;
+using ::NAN_STATUS_FOLLOWUP_QUEUE_FULL;
+using ::NAN_STATUS_INTERNAL_FAILURE;
+using ::NAN_STATUS_INVALID_NDP_ID;
+using ::NAN_STATUS_INVALID_PARAM;
+using ::NAN_STATUS_INVALID_PUBLISH_SUBSCRIBE_ID;
+using ::NAN_STATUS_INVALID_REQUESTOR_INSTANCE_ID;
+using ::NAN_STATUS_NAN_NOT_ALLOWED;
+using ::NAN_STATUS_NO_OTA_ACK;
+using ::NAN_STATUS_NO_RESOURCE_AVAILABLE;
+using ::NAN_STATUS_PROTOCOL_FAILURE;
+using ::NAN_STATUS_SUCCESS;
+using ::NAN_STATUS_UNSUPPORTED_CONCURRENCY_NAN_DISABLED;
+using ::NAN_SUBSCRIBE_TYPE_ACTIVE;
+using ::NAN_SUBSCRIBE_TYPE_PASSIVE;
+using ::NAN_TRANSMIT_IN_DW;
+using ::NAN_TRANSMIT_IN_FAW;
+using ::NAN_TX_PRIORITY_HIGH;
+using ::NAN_TX_PRIORITY_NORMAL;
+using ::NAN_TX_TYPE_BROADCAST;
+using ::NAN_TX_TYPE_UNICAST;
+using ::NAN_USE_SRF;
+using ::NanBeaconSdfPayloadInd;
+using ::NanCapabilities;
+using ::NanChannelInfo;
+using ::NanConfigRequest;
+using ::NanDataPathChannelCfg;
+using ::NanDataPathConfirmInd;
+using ::NanDataPathEndInd;
+using ::NanDataPathIndicationResponse;
+using ::NanDataPathInitiatorRequest;
+using ::NanDataPathRequestInd;
+using ::NanDataPathScheduleUpdateInd;
+using ::NanDisabledInd;
+using ::NanDiscEngEventInd;
+using ::NanEnableRequest;
+using ::NanFollowupInd;
+using ::NanMatchAlg;
+using ::NanMatchExpiredInd;
+using ::NanMatchInd;
+using ::NanPublishCancelRequest;
+using ::NanPublishRequest;
+using ::NanPublishTerminatedInd;
+using ::NanPublishType;
+using ::NanRangeReportInd;
+using ::NanRangeRequestInd;
+using ::NanResponseMsg;
+using ::NanSRFType;
+using ::NanStatusType;
+using ::NanSubscribeCancelRequest;
+using ::NanSubscribeRequest;
+using ::NanSubscribeTerminatedInd;
+using ::NanSubscribeType;
+using ::NanTransmitFollowupInd;
+using ::NanTransmitFollowupRequest;
+using ::NanTxType;
+using ::ROAMING_DISABLE;
+using ::ROAMING_ENABLE;
+using ::RTT_PEER_AP;
+using ::RTT_PEER_NAN;
+using ::RTT_PEER_P2P_CLIENT;
+using ::RTT_PEER_P2P_GO;
+using ::RTT_PEER_STA;
+using ::rtt_peer_type;
+using ::RTT_STATUS_ABORTED;
+using ::RTT_STATUS_FAIL_AP_ON_DIFF_CHANNEL;
+using ::RTT_STATUS_FAIL_BUSY_TRY_LATER;
+using ::RTT_STATUS_FAIL_FTM_PARAM_OVERRIDE;
+using ::RTT_STATUS_FAIL_INVALID_TS;
+using ::RTT_STATUS_FAIL_NO_CAPABILITY;
+using ::RTT_STATUS_FAIL_NO_RSP;
+using ::RTT_STATUS_FAIL_NOT_SCHEDULED_YET;
+using ::RTT_STATUS_FAIL_PROTOCOL;
+using ::RTT_STATUS_FAIL_REJECTED;
+using ::RTT_STATUS_FAIL_SCHEDULE;
+using ::RTT_STATUS_FAIL_TM_TIMEOUT;
+using ::RTT_STATUS_FAILURE;
+using ::RTT_STATUS_INVALID_REQ;
+using ::RTT_STATUS_NAN_RANGING_CONCURRENCY_NOT_SUPPORTED;
+using ::RTT_STATUS_NAN_RANGING_PROTOCOL_FAILURE;
+using ::RTT_STATUS_NO_WIFI;
+using ::RTT_STATUS_SUCCESS;
+using ::RTT_TYPE_1_SIDED;
+using ::RTT_TYPE_2_SIDED;
+using ::RX_PKT_FATE_DRV_DROP_FILTER;
+using ::RX_PKT_FATE_DRV_DROP_INVALID;
+using ::RX_PKT_FATE_DRV_DROP_NOBUFS;
+using ::RX_PKT_FATE_DRV_DROP_OTHER;
+using ::RX_PKT_FATE_DRV_QUEUED;
+using ::RX_PKT_FATE_FW_DROP_FILTER;
+using ::RX_PKT_FATE_FW_DROP_INVALID;
+using ::RX_PKT_FATE_FW_DROP_NOBUFS;
+using ::RX_PKT_FATE_FW_DROP_OTHER;
+using ::RX_PKT_FATE_FW_QUEUED;
+using ::RX_PKT_FATE_SUCCESS;
+using ::ssid_t;
+using ::transaction_id;
+using ::TX_PKT_FATE_ACKED;
+using ::TX_PKT_FATE_DRV_DROP_INVALID;
+using ::TX_PKT_FATE_DRV_DROP_NOBUFS;
+using ::TX_PKT_FATE_DRV_DROP_OTHER;
+using ::TX_PKT_FATE_DRV_QUEUED;
+using ::TX_PKT_FATE_FW_DROP_INVALID;
+using ::TX_PKT_FATE_FW_DROP_NOBUFS;
+using ::TX_PKT_FATE_FW_DROP_OTHER;
+using ::TX_PKT_FATE_FW_QUEUED;
+using ::TX_PKT_FATE_SENT;
+using ::WIFI_AC_BE;
+using ::WIFI_AC_BK;
+using ::WIFI_AC_VI;
+using ::WIFI_AC_VO;
+using ::WIFI_ANTENNA_1X1;
+using ::WIFI_ANTENNA_2X2;
+using ::WIFI_ANTENNA_3X3;
+using ::WIFI_ANTENNA_4X4;
+using ::WIFI_ANTENNA_UNSPECIFIED;
+using ::wifi_band;
+using ::WIFI_BAND_A;
+using ::WIFI_BAND_A_DFS;
+using ::WIFI_BAND_A_WITH_DFS;
+using ::WIFI_BAND_ABG;
+using ::WIFI_BAND_ABG_WITH_DFS;
+using ::WIFI_BAND_BG;
+using ::WIFI_BAND_UNSPECIFIED;
+using ::wifi_cached_scan_report;
+using ::wifi_cached_scan_results;
+using ::WIFI_CHAN_WIDTH_10;
+using ::WIFI_CHAN_WIDTH_160;
+using ::WIFI_CHAN_WIDTH_20;
+using ::WIFI_CHAN_WIDTH_320;
+using ::WIFI_CHAN_WIDTH_40;
+using ::WIFI_CHAN_WIDTH_5;
+using ::WIFI_CHAN_WIDTH_80;
+using ::WIFI_CHAN_WIDTH_80P80;
+using ::WIFI_CHAN_WIDTH_INVALID;
+using ::wifi_channel_info;
+using ::wifi_channel_stat;
+using ::wifi_channel_width;
+using ::wifi_coex_restriction;
+using ::wifi_coex_unsafe_channel;
+using ::WIFI_DUAL_STA_NON_TRANSIENT_UNBIASED;
+using ::WIFI_DUAL_STA_TRANSIENT_PREFER_PRIMARY;
+using ::wifi_error;
+using ::WIFI_ERROR_BUSY;
+using ::WIFI_ERROR_INVALID_ARGS;
+using ::WIFI_ERROR_INVALID_REQUEST_ID;
+using ::WIFI_ERROR_NONE;
+using ::WIFI_ERROR_NOT_AVAILABLE;
+using ::WIFI_ERROR_NOT_SUPPORTED;
+using ::WIFI_ERROR_OUT_OF_MEMORY;
+using ::WIFI_ERROR_TIMED_OUT;
+using ::WIFI_ERROR_TOO_MANY_REQUESTS;
+using ::WIFI_ERROR_UNINITIALIZED;
+using ::WIFI_ERROR_UNKNOWN;
+using ::wifi_gscan_capabilities;
+using ::wifi_hal_fn;
+using ::wifi_information_element;
+using ::WIFI_INTERFACE_IBSS;
+using ::WIFI_INTERFACE_MESH;
+using ::wifi_interface_mode;
+using ::WIFI_INTERFACE_NAN;
+using ::WIFI_INTERFACE_P2P_CLIENT;
+using ::WIFI_INTERFACE_P2P_GO;
+using ::WIFI_INTERFACE_SOFTAP;
+using ::WIFI_INTERFACE_STA;
+using ::WIFI_INTERFACE_TDLS;
+using ::wifi_interface_type;
+using ::WIFI_INTERFACE_TYPE_AP;
+using ::WIFI_INTERFACE_TYPE_NAN;
+using ::WIFI_INTERFACE_TYPE_P2P;
+using ::WIFI_INTERFACE_TYPE_STA;
+using ::WIFI_INTERFACE_UNKNOWN;
+using ::wifi_latency_mode;
+using ::WIFI_LATENCY_MODE_LOW;
+using ::WIFI_LATENCY_MODE_NORMAL;
+using ::wifi_lci_information;
+using ::wifi_lcr_information;
+using ::WIFI_LOGGER_CONNECT_EVENT_SUPPORTED;
+using ::WIFI_LOGGER_DRIVER_DUMP_SUPPORTED;
+using ::WIFI_LOGGER_MEMORY_DUMP_SUPPORTED;
+using ::WIFI_LOGGER_PACKET_FATE_SUPPORTED;
+using ::WIFI_LOGGER_POWER_EVENT_SUPPORTED;
+using ::WIFI_LOGGER_WAKE_LOCK_SUPPORTED;
+using ::WIFI_MOTION_EXPECTED;
+using ::WIFI_MOTION_NOT_EXPECTED;
+using ::wifi_motion_pattern;
+using ::WIFI_MOTION_UNKNOWN;
+using ::wifi_multi_sta_use_case;
+using ::wifi_power_scenario;
+using ::WIFI_POWER_SCENARIO_ON_BODY_CELL_OFF;
+using ::WIFI_POWER_SCENARIO_ON_BODY_CELL_ON;
+using ::WIFI_POWER_SCENARIO_ON_HEAD_CELL_OFF;
+using ::WIFI_POWER_SCENARIO_ON_HEAD_CELL_ON;
+using ::WIFI_POWER_SCENARIO_VOICE_CALL;
+using ::wifi_radio_combination;
+using ::wifi_radio_combination_matrix;
+using ::wifi_radio_configuration;
+using ::wifi_rate;
+using ::wifi_request_id;
+using ::wifi_ring_buffer_status;
+using ::wifi_roaming_capabilities;
+using ::wifi_roaming_config;
+using ::wifi_rtt_bw;
+using ::WIFI_RTT_BW_10;
+using ::WIFI_RTT_BW_160;
+using ::WIFI_RTT_BW_20;
+using ::WIFI_RTT_BW_320;
+using ::WIFI_RTT_BW_40;
+using ::WIFI_RTT_BW_5;
+using ::WIFI_RTT_BW_80;
+using ::wifi_rtt_capabilities;
+using ::wifi_rtt_config;
+using ::wifi_rtt_preamble;
+using ::WIFI_RTT_PREAMBLE_EHT;
+using ::WIFI_RTT_PREAMBLE_HE;
+using ::WIFI_RTT_PREAMBLE_HT;
+using ::WIFI_RTT_PREAMBLE_LEGACY;
+using ::WIFI_RTT_PREAMBLE_VHT;
+using ::wifi_rtt_responder;
+using ::wifi_rtt_result;
+using ::wifi_rtt_status;
+using ::wifi_rtt_type;
+using ::wifi_rx_packet_fate;
+using ::wifi_rx_report;
+using ::wifi_scan_bucket_spec;
+using ::wifi_scan_cmd_params;
+using ::WIFI_SCAN_FLAG_INTERRUPTED;
+using ::wifi_scan_result;
+using ::WIFI_SUCCESS;
+using ::wifi_tx_packet_fate;
+using ::wifi_tx_report;
+using ::wifi_usable_channel;
+using ::WIFI_USABLE_CHANNEL_FILTER_CELLULAR_COEXISTENCE;
+using ::WIFI_USABLE_CHANNEL_FILTER_CONCURRENCY;
+using ::WLAN_MAC_2_4_BAND;
+using ::WLAN_MAC_5_0_BAND;
+using ::WLAN_MAC_60_0_BAND;
+using ::WLAN_MAC_6_0_BAND;
+
+// APF capabilities supported by the iface.
+struct PacketFilterCapabilities {
+ uint32_t version;
+ uint32_t max_len;
+};
+
+// WARNING: We don't care about the variable sized members of either
+// |wifi_iface_stat|, |wifi_radio_stat| structures. So, using the pragma
+// to escape the compiler warnings regarding this.
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wgnu-variable-sized-type-not-at-end"
+// The |wifi_radio_stat.tx_time_per_levels| stats is provided as a pointer in
+// |wifi_radio_stat| structure in the legacy HAL API. Separate that out
+// into a separate return element to avoid passing pointers around.
+struct LinkLayerRadioStats {
+ wifi_radio_stat stats;
+ std::vector<uint32_t> tx_time_per_levels;
+ std::vector<wifi_channel_stat> channel_stats;
+};
+
+struct WifiPeerInfo {
+ wifi_peer_info peer_info;
+ std::vector<wifi_rate_stat> rate_stats;
+};
+
+struct LinkLayerStats {
+ wifi_iface_stat iface;
+ std::vector<LinkLayerRadioStats> radios;
+ std::vector<WifiPeerInfo> peers;
+};
+#pragma GCC diagnostic pop
+
+// The |WLAN_DRIVER_WAKE_REASON_CNT.cmd_event_wake_cnt| and
+// |WLAN_DRIVER_WAKE_REASON_CNT.driver_fw_local_wake_cnt| stats is provided
+// as a pointer in |WLAN_DRIVER_WAKE_REASON_CNT| structure in the legacy HAL
+// API. Separate that out into a separate return elements to avoid passing
+// pointers around.
+struct WakeReasonStats {
+ WLAN_DRIVER_WAKE_REASON_CNT wake_reason_cnt;
+ std::vector<uint32_t> cmd_event_wake_cnt;
+ std::vector<uint32_t> driver_fw_local_wake_cnt;
+};
+
+// NAN response and event callbacks struct.
+struct NanCallbackHandlers {
+ // NotifyResponse invoked to notify the status of the Request.
+ std::function<void(transaction_id, const NanResponseMsg&)> on_notify_response;
+ // Various event callbacks.
+ std::function<void(const NanPublishTerminatedInd&)> on_event_publish_terminated;
+ std::function<void(const NanMatchInd&)> on_event_match;
+ std::function<void(const NanMatchExpiredInd&)> on_event_match_expired;
+ std::function<void(const NanSubscribeTerminatedInd&)> on_event_subscribe_terminated;
+ std::function<void(const NanFollowupInd&)> on_event_followup;
+ std::function<void(const NanDiscEngEventInd&)> on_event_disc_eng_event;
+ std::function<void(const NanDisabledInd&)> on_event_disabled;
+ std::function<void(const NanTCAInd&)> on_event_tca;
+ std::function<void(const NanBeaconSdfPayloadInd&)> on_event_beacon_sdf_payload;
+ std::function<void(const NanDataPathRequestInd&)> on_event_data_path_request;
+ std::function<void(const NanDataPathConfirmInd&)> on_event_data_path_confirm;
+ std::function<void(const NanDataPathEndInd&)> on_event_data_path_end;
+ std::function<void(const NanTransmitFollowupInd&)> on_event_transmit_follow_up;
+ std::function<void(const NanRangeRequestInd&)> on_event_range_request;
+ std::function<void(const NanRangeReportInd&)> on_event_range_report;
+ std::function<void(const NanDataPathScheduleUpdateInd&)> on_event_schedule_update;
+};
+
+// Full scan results contain IE info and are hence passed by reference, to
+// preserve the variable length array member |ie_data|. Callee must not retain
+// the pointer.
+using on_gscan_full_result_callback =
+ std::function<void(wifi_request_id, const wifi_scan_result*, uint32_t)>;
+// These scan results don't contain any IE info, so no need to pass by
+// reference.
+using on_gscan_results_callback =
+ std::function<void(wifi_request_id, const std::vector<wifi_cached_scan_results>&)>;
+
+// Invoked when the rssi value breaches the thresholds set.
+using on_rssi_threshold_breached_callback =
+ std::function<void(wifi_request_id, std::array<uint8_t, ETH_ALEN>, int8_t)>;
+
+// Callback for RTT range request results.
+// Rtt results contain IE info and are hence passed by reference, to
+// preserve the |LCI| and |LCR| pointers. Callee must not retain
+// the pointer.
+using on_rtt_results_callback =
+ std::function<void(wifi_request_id, const std::vector<const wifi_rtt_result*>&)>;
+
+// Callback for ring buffer data.
+using on_ring_buffer_data_callback = std::function<void(
+ const std::string&, const std::vector<uint8_t>&, const wifi_ring_buffer_status&)>;
+
+// Callback for alerts.
+using on_error_alert_callback = std::function<void(int32_t, const std::vector<uint8_t>&)>;
+
+// Callback for subsystem restart
+using on_subsystem_restart_callback = std::function<void(const std::string&)>;
+
+// Struct for the mac info from the legacy HAL. This is a cleaner version
+// of the |wifi_mac_info| & |wifi_iface_info|.
+typedef struct {
+ std::string name;
+ wifi_channel channel;
+} WifiIfaceInfo;
+
+typedef struct {
+ uint32_t wlan_mac_id;
+ /* BIT MASK of BIT(WLAN_MAC*) as represented by wlan_mac_band */
+ uint32_t mac_band;
+ /* Represents the connected Wi-Fi interfaces associated with each MAC */
+ std::vector<WifiIfaceInfo> iface_infos;
+} WifiMacInfo;
+
+// Callback for radio mode change
+using on_radio_mode_change_callback = std::function<void(const std::vector<WifiMacInfo>&)>;
+
+// TWT response and event callbacks struct.
+struct TwtCallbackHandlers {
+ // Callback for TWT setup response
+ std::function<void(const TwtSetupResponse&)> on_setup_response;
+ // Callback for TWT teardown completion
+ std::function<void(const TwtTeardownCompletion&)> on_teardown_completion;
+ // Callback for TWT info frame received event
+ std::function<void(const TwtInfoFrameReceived&)> on_info_frame_received;
+ // Callback for TWT notification from the device
+ std::function<void(const TwtDeviceNotify&)> on_device_notify;
+};
+
+// CHRE response and event callbacks struct.
+struct ChreCallbackHandlers {
+ // Callback for CHRE NAN RTT
+ std::function<void(chre_nan_rtt_state)> on_wifi_chre_nan_rtt_state;
+};
+
+// Cached Scan Results response and event callbacks struct.
+struct CachedScanResultsCallbackHandlers {
+ // Callback for Cached Scan Results
+ std::function<void(wifi_cached_scan_report*)> on_cached_scan_results;
+};
+
+/**
+ * Class that encapsulates all legacy HAL interactions.
+ * This class manages the lifetime of the event loop thread used by legacy HAL.
+ *
+ * Note: There will only be a single instance of this class created in the Wifi
+ * object and will be valid for the lifetime of the process.
+ */
+class WifiLegacyHal {
+ public:
+ WifiLegacyHal(const std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool,
+ const wifi_hal_fn& fn, bool is_primary);
+ virtual ~WifiLegacyHal() = default;
+
+ // Initialize the legacy HAL function table.
+ virtual wifi_error initialize();
+ // Start the legacy HAL and the event looper thread.
+ virtual wifi_error start();
+ // Deinitialize the legacy HAL and wait for the event loop thread to exit
+ // using a predefined timeout.
+ virtual wifi_error stop(std::unique_lock<std::recursive_mutex>* lock,
+ const std::function<void()>& on_complete_callback);
+ virtual wifi_error waitForDriverReady();
+ // Checks if legacy HAL has successfully started
+ bool isStarted();
+ // Wrappers for all the functions in the legacy HAL function table.
+ virtual std::pair<wifi_error, std::string> getDriverVersion(const std::string& iface_name);
+ virtual std::pair<wifi_error, std::string> getFirmwareVersion(const std::string& iface_name);
+ std::pair<wifi_error, std::vector<uint8_t>> requestDriverMemoryDump(
+ const std::string& iface_name);
+ std::pair<wifi_error, std::vector<uint8_t>> requestFirmwareMemoryDump(
+ const std::string& iface_name);
+ virtual std::pair<wifi_error, uint64_t> getSupportedFeatureSet(const std::string& iface_name);
+ // APF functions.
+ std::pair<wifi_error, PacketFilterCapabilities> getPacketFilterCapabilities(
+ const std::string& iface_name);
+ wifi_error setPacketFilter(const std::string& iface_name, const std::vector<uint8_t>& program);
+ std::pair<wifi_error, std::vector<uint8_t>> readApfPacketFilterData(
+ const std::string& iface_name);
+ // Gscan functions.
+ std::pair<wifi_error, wifi_gscan_capabilities> getGscanCapabilities(
+ const std::string& iface_name);
+ // These API's provides a simplified interface over the legacy Gscan API's:
+ // a) All scan events from the legacy HAL API other than the
+ // |WIFI_SCAN_FAILED| are treated as notification of results.
+ // This method then retrieves the cached scan results from the legacy
+ // HAL API and triggers the externally provided
+ // |on_results_user_callback| on success.
+ // b) |WIFI_SCAN_FAILED| scan event or failure to retrieve cached scan
+ // results
+ // Triggers the externally provided |on_failure_user_callback|.
+ // c) Full scan result event triggers the externally provided
+ // |on_full_result_user_callback|.
+ wifi_error startGscan(const std::string& iface_name, wifi_request_id id,
+ const wifi_scan_cmd_params& params,
+ const std::function<void(wifi_request_id)>& on_failure_callback,
+ const on_gscan_results_callback& on_results_callback,
+ const on_gscan_full_result_callback& on_full_result_callback);
+ wifi_error stopGscan(const std::string& iface_name, wifi_request_id id);
+ std::pair<wifi_error, std::vector<uint32_t>> getValidFrequenciesForBand(
+ const std::string& iface_name, wifi_band band);
+ virtual wifi_error setDfsFlag(const std::string& iface_name, bool dfs_on);
+ // Link layer stats functions.
+ wifi_error enableLinkLayerStats(const std::string& iface_name, bool debug);
+ wifi_error disableLinkLayerStats(const std::string& iface_name);
+ std::pair<wifi_error, LinkLayerStats> getLinkLayerStats(const std::string& iface_name);
+ // RSSI monitor functions.
+ wifi_error startRssiMonitoring(
+ const std::string& iface_name, wifi_request_id id, int8_t max_rssi, int8_t min_rssi,
+ const on_rssi_threshold_breached_callback& on_threshold_breached_callback);
+ wifi_error stopRssiMonitoring(const std::string& iface_name, wifi_request_id id);
+ std::pair<wifi_error, wifi_roaming_capabilities> getRoamingCapabilities(
+ const std::string& iface_name);
+ wifi_error configureRoaming(const std::string& iface_name, const wifi_roaming_config& config);
+ wifi_error enableFirmwareRoaming(const std::string& iface_name, fw_roaming_state_t state);
+ wifi_error configureNdOffload(const std::string& iface_name, bool enable);
+ wifi_error startSendingOffloadedPacket(const std::string& iface_name, int32_t cmd_id,
+ uint16_t ether_type,
+ const std::vector<uint8_t>& ip_packet_data,
+ const std::array<uint8_t, 6>& src_address,
+ const std::array<uint8_t, 6>& dst_address,
+ int32_t period_in_ms);
+ wifi_error stopSendingOffloadedPacket(const std::string& iface_name, uint32_t cmd_id);
+ virtual wifi_error selectTxPowerScenario(const std::string& iface_name,
+ wifi_power_scenario scenario);
+ virtual wifi_error resetTxPowerScenario(const std::string& iface_name);
+ wifi_error setLatencyMode(const std::string& iface_name, wifi_latency_mode mode);
+ wifi_error setThermalMitigationMode(wifi_thermal_mode mode, uint32_t completion_window);
+ wifi_error setDscpToAccessCategoryMapping(uint32_t start, uint32_t end,
+ uint32_t access_category);
+ wifi_error resetDscpToAccessCategoryMapping();
+ // Logger/debug functions.
+ std::pair<wifi_error, uint32_t> getLoggerSupportedFeatureSet(const std::string& iface_name);
+ wifi_error startPktFateMonitoring(const std::string& iface_name);
+ std::pair<wifi_error, std::vector<wifi_tx_report>> getTxPktFates(const std::string& iface_name);
+ std::pair<wifi_error, std::vector<wifi_rx_report>> getRxPktFates(const std::string& iface_name);
+ std::pair<wifi_error, WakeReasonStats> getWakeReasonStats(const std::string& iface_name);
+ wifi_error registerRingBufferCallbackHandler(
+ const std::string& iface_name, const on_ring_buffer_data_callback& on_data_callback);
+ wifi_error deregisterRingBufferCallbackHandler(const std::string& iface_name);
+ virtual wifi_error registerSubsystemRestartCallbackHandler(
+ const on_subsystem_restart_callback& on_restart_callback);
+ std::pair<wifi_error, std::vector<wifi_ring_buffer_status>> getRingBuffersStatus(
+ const std::string& iface_name);
+ wifi_error startRingBufferLogging(const std::string& iface_name, const std::string& ring_name,
+ uint32_t verbose_level, uint32_t max_interval_sec,
+ uint32_t min_data_size);
+ wifi_error getRingBufferData(const std::string& iface_name, const std::string& ring_name);
+ wifi_error registerErrorAlertCallbackHandler(const std::string& iface_name,
+ const on_error_alert_callback& on_alert_callback);
+ wifi_error deregisterErrorAlertCallbackHandler(const std::string& iface_name);
+ // Radio mode functions.
+ virtual wifi_error registerRadioModeChangeCallbackHandler(
+ const std::string& iface_name,
+ const on_radio_mode_change_callback& on_user_change_callback);
+ // RTT functions.
+ wifi_error startRttRangeRequest(const std::string& iface_name, wifi_request_id id,
+ const std::vector<wifi_rtt_config>& rtt_configs,
+ const on_rtt_results_callback& on_results_callback);
+ wifi_error cancelRttRangeRequest(const std::string& iface_name, wifi_request_id id,
+ const std::vector<std::array<uint8_t, ETH_ALEN>>& mac_addrs);
+ std::pair<wifi_error, wifi_rtt_capabilities> getRttCapabilities(const std::string& iface_name);
+ std::pair<wifi_error, wifi_rtt_responder> getRttResponderInfo(const std::string& iface_name);
+ wifi_error enableRttResponder(const std::string& iface_name, wifi_request_id id,
+ const wifi_channel_info& channel_hint, uint32_t max_duration_secs,
+ const wifi_rtt_responder& info);
+ wifi_error disableRttResponder(const std::string& iface_name, wifi_request_id id);
+ wifi_error setRttLci(const std::string& iface_name, wifi_request_id id,
+ const wifi_lci_information& info);
+ wifi_error setRttLcr(const std::string& iface_name, wifi_request_id id,
+ const wifi_lcr_information& info);
+ // NAN functions.
+ virtual wifi_error nanRegisterCallbackHandlers(const std::string& iface_name,
+ const NanCallbackHandlers& callbacks);
+ wifi_error nanEnableRequest(const std::string& iface_name, transaction_id id,
+ const NanEnableRequest& msg);
+ virtual wifi_error nanDisableRequest(const std::string& iface_name, transaction_id id);
+ wifi_error nanPublishRequest(const std::string& iface_name, transaction_id id,
+ const NanPublishRequest& msg);
+ wifi_error nanPublishCancelRequest(const std::string& iface_name, transaction_id id,
+ const NanPublishCancelRequest& msg);
+ wifi_error nanSubscribeRequest(const std::string& iface_name, transaction_id id,
+ const NanSubscribeRequest& msg);
+ wifi_error nanSubscribeCancelRequest(const std::string& iface_name, transaction_id id,
+ const NanSubscribeCancelRequest& msg);
+ wifi_error nanTransmitFollowupRequest(const std::string& iface_name, transaction_id id,
+ const NanTransmitFollowupRequest& msg);
+ wifi_error nanStatsRequest(const std::string& iface_name, transaction_id id,
+ const NanStatsRequest& msg);
+ wifi_error nanConfigRequest(const std::string& iface_name, transaction_id id,
+ const NanConfigRequest& msg);
+ wifi_error nanTcaRequest(const std::string& iface_name, transaction_id id,
+ const NanTCARequest& msg);
+ wifi_error nanBeaconSdfPayloadRequest(const std::string& iface_name, transaction_id id,
+ const NanBeaconSdfPayloadRequest& msg);
+ std::pair<wifi_error, NanVersion> nanGetVersion();
+ wifi_error nanGetCapabilities(const std::string& iface_name, transaction_id id);
+ wifi_error nanDataInterfaceCreate(const std::string& iface_name, transaction_id id,
+ const std::string& data_iface_name);
+ virtual wifi_error nanDataInterfaceDelete(const std::string& iface_name, transaction_id id,
+ const std::string& data_iface_name);
+ wifi_error nanDataRequestInitiator(const std::string& iface_name, transaction_id id,
+ const NanDataPathInitiatorRequest& msg);
+ wifi_error nanDataIndicationResponse(const std::string& iface_name, transaction_id id,
+ const NanDataPathIndicationResponse& msg);
+ wifi_error nanDataEnd(const std::string& iface_name, transaction_id id, uint32_t ndpInstanceId);
+ // AP functions.
+ wifi_error setCountryCode(const std::string& iface_name, const std::array<uint8_t, 2> code);
+
+ // Interface functions.
+ virtual wifi_error createVirtualInterface(const std::string& ifname,
+ wifi_interface_type iftype);
+ virtual wifi_error deleteVirtualInterface(const std::string& ifname);
+ virtual wifi_error getSupportedIfaceName(uint32_t iface_type, std::string& ifname);
+
+ // STA + STA functions
+ virtual wifi_error multiStaSetPrimaryConnection(const std::string& ifname);
+ virtual wifi_error multiStaSetUseCase(wifi_multi_sta_use_case use_case);
+
+ // Coex functions.
+ virtual wifi_error setCoexUnsafeChannels(std::vector<wifi_coex_unsafe_channel> unsafe_channels,
+ uint32_t restrictions);
+
+ wifi_error setVoipMode(const std::string& iface_name, wifi_voip_mode mode);
+
+ wifi_error twtRegisterHandler(const std::string& iface_name,
+ const TwtCallbackHandlers& handler);
+
+ std::pair<wifi_error, TwtCapabilitySet> twtGetCapability(const std::string& iface_name);
+
+ wifi_error twtSetupRequest(const std::string& iface_name, const TwtSetupRequest& msg);
+
+ wifi_error twtTearDownRequest(const std::string& iface_name, const TwtTeardownRequest& msg);
+
+ wifi_error twtInfoFrameRequest(const std::string& iface_name, const TwtInfoFrameRequest& msg);
+
+ std::pair<wifi_error, TwtStats> twtGetStats(const std::string& iface_name, uint8_t configId);
+
+ wifi_error twtClearStats(const std::string& iface_name, uint8_t configId);
+
+ wifi_error setDtimConfig(const std::string& iface_name, uint32_t multiplier);
+
+ // Retrieve the list of usable channels in the requested bands
+ // for the requested modes
+ std::pair<wifi_error, std::vector<wifi_usable_channel>> getUsableChannels(
+ uint32_t band_mask, uint32_t iface_mode_mask, uint32_t filter_mask);
+
+ wifi_error triggerSubsystemRestart();
+
+ wifi_error setIndoorState(bool isIndoor);
+
+ std::pair<wifi_error, wifi_radio_combination_matrix*> getSupportedRadioCombinationsMatrix();
+
+ // CHRE NAN RTT function
+ wifi_error chreNanRttRequest(const std::string& iface_name, bool enable);
+
+ wifi_error chreRegisterHandler(const std::string& iface_name,
+ const ChreCallbackHandlers& handler);
+
+ wifi_error enableWifiTxPowerLimits(const std::string& iface_name, bool enable);
+ wifi_error getWifiCachedScanResults(const std::string& iface_name,
+ const CachedScanResultsCallbackHandlers& handler);
+
+ private:
+ // Retrieve interface handles for all the available interfaces.
+ wifi_error retrieveIfaceHandles();
+ wifi_interface_handle getIfaceHandle(const std::string& iface_name);
+ // Run the legacy HAL event loop thread.
+ void runEventLoop();
+ // Retrieve the cached gscan results to pass the results back to the
+ // external callbacks.
+ std::pair<wifi_error, std::vector<wifi_cached_scan_results>> getGscanCachedResults(
+ const std::string& iface_name);
+ void invalidate();
+ // Handles wifi (error) status of Virtual interface create/delete
+ wifi_error handleVirtualInterfaceCreateOrDeleteStatus(const std::string& ifname,
+ wifi_error status);
+
+ // Global function table of legacy HAL.
+ wifi_hal_fn global_func_table_;
+ // Opaque handle to be used for all global operations.
+ wifi_handle global_handle_;
+ // Map of interface name to handle that is to be used for all interface
+ // specific operations.
+ std::map<std::string, wifi_interface_handle> iface_name_to_handle_;
+ // Flag to indicate if we have initiated the cleanup of legacy HAL.
+ std::atomic<bool> awaiting_event_loop_termination_;
+ std::condition_variable_any stop_wait_cv_;
+ // Flag to indicate if the legacy HAL has been started.
+ bool is_started_;
+ std::weak_ptr<::android::wifi_system::InterfaceTool> iface_tool_;
+ // Flag to indicate if this HAL is for the primary chip. This is used
+ // in order to avoid some hard-coded behavior used with older HALs,
+ // such as bring wlan0 interface up/down on start/stop HAL.
+ // it may be removed once vendor HALs are updated.
+ bool is_primary_;
+};
+
+} // namespace legacy_hal
+} // namespace wifi
+} // namespace hardware
+} // namespace android
+} // namespace aidl
+
+#endif // WIFI_LEGACY_HAL_H_