Uprev Wifi HAL to 1.3
Move Wifi HAL from 1.2 to 1.3
Bug: 111753174
Test: Builds and wifi works
Change-Id: I6a2b203997d6328d09065f23636d4ce01420942a
diff --git a/wifi/1.3/default/wifi_legacy_hal.cpp b/wifi/1.3/default/wifi_legacy_hal.cpp
new file mode 100644
index 0000000..55fe073
--- /dev/null
+++ b/wifi/1.3/default/wifi_legacy_hal.cpp
@@ -0,0 +1,1423 @@
+/*
+ * Copyright (C) 2016 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.
+ */
+
+#include <array>
+#include <chrono>
+
+#include <android-base/logging.h>
+
+#include "hidl_sync_util.h"
+#include "wifi_legacy_hal.h"
+#include "wifi_legacy_hal_stubs.h"
+
+namespace {
+// Constants ported over from the legacy HAL calling code
+// (com_android_server_wifi_WifiNative.cpp). This will all be thrown
+// away when this shim layer is replaced by the real vendor
+// implementation.
+static constexpr uint32_t kMaxVersionStringLength = 256;
+static constexpr uint32_t kMaxCachedGscanResults = 64;
+static constexpr uint32_t kMaxGscanFrequenciesForBand = 64;
+static constexpr uint32_t kLinkLayerStatsDataMpduSizeThreshold = 128;
+static constexpr uint32_t kMaxWakeReasonStatsArraySize = 32;
+static constexpr uint32_t kMaxRingBuffers = 10;
+static constexpr uint32_t kMaxStopCompleteWaitMs = 100;
+
+// Helper function to create a non-const char* for legacy Hal API's.
+std::vector<char> makeCharVec(const std::string& str) {
+ std::vector<char> vec(str.size() + 1);
+ vec.assign(str.begin(), str.end());
+ vec.push_back('\0');
+ return vec;
+}
+} // namespace
+
+namespace android {
+namespace hardware {
+namespace wifi {
+namespace V1_3 {
+namespace implementation {
+namespace legacy_hal {
+// Legacy HAL functions accept "C" style function pointers, so use global
+// functions to pass to the legacy HAL function and store the corresponding
+// std::function methods to be invoked.
+//
+// Callback to be invoked once |stop| is complete
+std::function<void(wifi_handle handle)> on_stop_complete_internal_callback;
+void onAsyncStopComplete(wifi_handle handle) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_stop_complete_internal_callback) {
+ on_stop_complete_internal_callback(handle);
+ // Invalidate this callback since we don't want this firing again.
+ on_stop_complete_internal_callback = nullptr;
+ }
+}
+
+// Callback to be invoked for driver dump.
+std::function<void(char*, int)> on_driver_memory_dump_internal_callback;
+void onSyncDriverMemoryDump(char* buffer, int buffer_size) {
+ if (on_driver_memory_dump_internal_callback) {
+ on_driver_memory_dump_internal_callback(buffer, buffer_size);
+ }
+}
+
+// Callback to be invoked for firmware dump.
+std::function<void(char*, int)> on_firmware_memory_dump_internal_callback;
+void onSyncFirmwareMemoryDump(char* buffer, int buffer_size) {
+ if (on_firmware_memory_dump_internal_callback) {
+ on_firmware_memory_dump_internal_callback(buffer, buffer_size);
+ }
+}
+
+// Callback to be invoked for Gscan events.
+std::function<void(wifi_request_id, wifi_scan_event)>
+ on_gscan_event_internal_callback;
+void onAsyncGscanEvent(wifi_request_id id, wifi_scan_event event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_gscan_event_internal_callback) {
+ on_gscan_event_internal_callback(id, event);
+ }
+}
+
+// Callback to be invoked for Gscan full results.
+std::function<void(wifi_request_id, wifi_scan_result*, uint32_t)>
+ on_gscan_full_result_internal_callback;
+void onAsyncGscanFullResult(wifi_request_id id, wifi_scan_result* result,
+ uint32_t buckets_scanned) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_gscan_full_result_internal_callback) {
+ on_gscan_full_result_internal_callback(id, result, buckets_scanned);
+ }
+}
+
+// Callback to be invoked for link layer stats results.
+std::function<void((wifi_request_id, wifi_iface_stat*, int, wifi_radio_stat*))>
+ on_link_layer_stats_result_internal_callback;
+void onSyncLinkLayerStatsResult(wifi_request_id id, wifi_iface_stat* iface_stat,
+ int num_radios, wifi_radio_stat* radio_stat) {
+ if (on_link_layer_stats_result_internal_callback) {
+ on_link_layer_stats_result_internal_callback(id, iface_stat, num_radios,
+ radio_stat);
+ }
+}
+
+// Callback to be invoked for rssi threshold breach.
+std::function<void((wifi_request_id, uint8_t*, int8_t))>
+ on_rssi_threshold_breached_internal_callback;
+void onAsyncRssiThresholdBreached(wifi_request_id id, uint8_t* bssid,
+ int8_t rssi) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_rssi_threshold_breached_internal_callback) {
+ on_rssi_threshold_breached_internal_callback(id, bssid, rssi);
+ }
+}
+
+// Callback to be invoked for ring buffer data indication.
+std::function<void(char*, char*, int, wifi_ring_buffer_status*)>
+ on_ring_buffer_data_internal_callback;
+void onAsyncRingBufferData(char* ring_name, char* buffer, int buffer_size,
+ wifi_ring_buffer_status* status) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_ring_buffer_data_internal_callback) {
+ on_ring_buffer_data_internal_callback(ring_name, buffer, buffer_size,
+ status);
+ }
+}
+
+// Callback to be invoked for error alert indication.
+std::function<void(wifi_request_id, char*, int, int)>
+ on_error_alert_internal_callback;
+void onAsyncErrorAlert(wifi_request_id id, char* buffer, int buffer_size,
+ int err_code) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_error_alert_internal_callback) {
+ on_error_alert_internal_callback(id, buffer, buffer_size, err_code);
+ }
+}
+
+// Callback to be invoked for radio mode change indication.
+std::function<void(wifi_request_id, uint32_t, wifi_mac_info*)>
+ on_radio_mode_change_internal_callback;
+void onAsyncRadioModeChange(wifi_request_id id, uint32_t num_macs,
+ wifi_mac_info* mac_infos) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_radio_mode_change_internal_callback) {
+ on_radio_mode_change_internal_callback(id, num_macs, mac_infos);
+ }
+}
+
+// Callback to be invoked for rtt results results.
+std::function<void(wifi_request_id, unsigned num_results,
+ wifi_rtt_result* rtt_results[])>
+ on_rtt_results_internal_callback;
+void onAsyncRttResults(wifi_request_id id, unsigned num_results,
+ wifi_rtt_result* rtt_results[]) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_rtt_results_internal_callback) {
+ on_rtt_results_internal_callback(id, num_results, rtt_results);
+ on_rtt_results_internal_callback = nullptr;
+ }
+}
+
+// Callbacks for the various NAN operations.
+// NOTE: These have very little conversions to perform before invoking the user
+// callbacks.
+// So, handle all of them here directly to avoid adding an unnecessary layer.
+std::function<void(transaction_id, const NanResponseMsg&)>
+ on_nan_notify_response_user_callback;
+void onAysncNanNotifyResponse(transaction_id id, NanResponseMsg* msg) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_notify_response_user_callback && msg) {
+ on_nan_notify_response_user_callback(id, *msg);
+ }
+}
+
+std::function<void(const NanPublishRepliedInd&)>
+ on_nan_event_publish_replied_user_callback;
+void onAysncNanEventPublishReplied(NanPublishRepliedInd* /* event */) {
+ LOG(ERROR) << "onAysncNanEventPublishReplied triggered";
+}
+
+std::function<void(const NanPublishTerminatedInd&)>
+ on_nan_event_publish_terminated_user_callback;
+void onAysncNanEventPublishTerminated(NanPublishTerminatedInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_publish_terminated_user_callback && event) {
+ on_nan_event_publish_terminated_user_callback(*event);
+ }
+}
+
+std::function<void(const NanMatchInd&)> on_nan_event_match_user_callback;
+void onAysncNanEventMatch(NanMatchInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_match_user_callback && event) {
+ on_nan_event_match_user_callback(*event);
+ }
+}
+
+std::function<void(const NanMatchExpiredInd&)>
+ on_nan_event_match_expired_user_callback;
+void onAysncNanEventMatchExpired(NanMatchExpiredInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_match_expired_user_callback && event) {
+ on_nan_event_match_expired_user_callback(*event);
+ }
+}
+
+std::function<void(const NanSubscribeTerminatedInd&)>
+ on_nan_event_subscribe_terminated_user_callback;
+void onAysncNanEventSubscribeTerminated(NanSubscribeTerminatedInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_subscribe_terminated_user_callback && event) {
+ on_nan_event_subscribe_terminated_user_callback(*event);
+ }
+}
+
+std::function<void(const NanFollowupInd&)> on_nan_event_followup_user_callback;
+void onAysncNanEventFollowup(NanFollowupInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_followup_user_callback && event) {
+ on_nan_event_followup_user_callback(*event);
+ }
+}
+
+std::function<void(const NanDiscEngEventInd&)>
+ on_nan_event_disc_eng_event_user_callback;
+void onAysncNanEventDiscEngEvent(NanDiscEngEventInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_disc_eng_event_user_callback && event) {
+ on_nan_event_disc_eng_event_user_callback(*event);
+ }
+}
+
+std::function<void(const NanDisabledInd&)> on_nan_event_disabled_user_callback;
+void onAysncNanEventDisabled(NanDisabledInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_disabled_user_callback && event) {
+ on_nan_event_disabled_user_callback(*event);
+ }
+}
+
+std::function<void(const NanTCAInd&)> on_nan_event_tca_user_callback;
+void onAysncNanEventTca(NanTCAInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_tca_user_callback && event) {
+ on_nan_event_tca_user_callback(*event);
+ }
+}
+
+std::function<void(const NanBeaconSdfPayloadInd&)>
+ on_nan_event_beacon_sdf_payload_user_callback;
+void onAysncNanEventBeaconSdfPayload(NanBeaconSdfPayloadInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_beacon_sdf_payload_user_callback && event) {
+ on_nan_event_beacon_sdf_payload_user_callback(*event);
+ }
+}
+
+std::function<void(const NanDataPathRequestInd&)>
+ on_nan_event_data_path_request_user_callback;
+void onAysncNanEventDataPathRequest(NanDataPathRequestInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_data_path_request_user_callback && event) {
+ on_nan_event_data_path_request_user_callback(*event);
+ }
+}
+std::function<void(const NanDataPathConfirmInd&)>
+ on_nan_event_data_path_confirm_user_callback;
+void onAysncNanEventDataPathConfirm(NanDataPathConfirmInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_data_path_confirm_user_callback && event) {
+ on_nan_event_data_path_confirm_user_callback(*event);
+ }
+}
+
+std::function<void(const NanDataPathEndInd&)>
+ on_nan_event_data_path_end_user_callback;
+void onAysncNanEventDataPathEnd(NanDataPathEndInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_data_path_end_user_callback && event) {
+ on_nan_event_data_path_end_user_callback(*event);
+ }
+}
+
+std::function<void(const NanTransmitFollowupInd&)>
+ on_nan_event_transmit_follow_up_user_callback;
+void onAysncNanEventTransmitFollowUp(NanTransmitFollowupInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_transmit_follow_up_user_callback && event) {
+ on_nan_event_transmit_follow_up_user_callback(*event);
+ }
+}
+
+std::function<void(const NanRangeRequestInd&)>
+ on_nan_event_range_request_user_callback;
+void onAysncNanEventRangeRequest(NanRangeRequestInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_range_request_user_callback && event) {
+ on_nan_event_range_request_user_callback(*event);
+ }
+}
+
+std::function<void(const NanRangeReportInd&)>
+ on_nan_event_range_report_user_callback;
+void onAysncNanEventRangeReport(NanRangeReportInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_range_report_user_callback && event) {
+ on_nan_event_range_report_user_callback(*event);
+ }
+}
+
+std::function<void(const NanDataPathScheduleUpdateInd&)>
+ on_nan_event_schedule_update_user_callback;
+void onAsyncNanEventScheduleUpdate(NanDataPathScheduleUpdateInd* event) {
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (on_nan_event_schedule_update_user_callback && event) {
+ on_nan_event_schedule_update_user_callback(*event);
+ }
+}
+// End of the free-standing "C" style callbacks.
+
+WifiLegacyHal::WifiLegacyHal()
+ : global_handle_(nullptr),
+ awaiting_event_loop_termination_(false),
+ is_started_(false) {}
+
+wifi_error WifiLegacyHal::initialize() {
+ LOG(DEBUG) << "Initialize legacy HAL";
+ // TODO: Add back the HAL Tool if we need to. All we need from the HAL tool
+ // for now is this function call which we can directly call.
+ if (!initHalFuncTableWithStubs(&global_func_table_)) {
+ LOG(ERROR)
+ << "Failed to initialize legacy hal function table with stubs";
+ return WIFI_ERROR_UNKNOWN;
+ }
+ wifi_error status = init_wifi_vendor_hal_func_table(&global_func_table_);
+ if (status != WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to initialize legacy hal function table";
+ }
+ return status;
+}
+
+wifi_error WifiLegacyHal::start() {
+ // Ensure that we're starting in a good state.
+ CHECK(global_func_table_.wifi_initialize && !global_handle_ &&
+ iface_name_to_handle_.empty() && !awaiting_event_loop_termination_);
+ if (is_started_) {
+ LOG(DEBUG) << "Legacy HAL already started";
+ return WIFI_SUCCESS;
+ }
+ LOG(DEBUG) << "Waiting for the driver ready";
+ wifi_error status = global_func_table_.wifi_wait_for_driver_ready();
+ if (status == WIFI_ERROR_TIMED_OUT) {
+ LOG(ERROR) << "Timed out awaiting driver ready";
+ return status;
+ }
+ LOG(DEBUG) << "Starting legacy HAL";
+ if (!iface_tool_.SetWifiUpState(true)) {
+ LOG(ERROR) << "Failed to set WiFi interface up";
+ return WIFI_ERROR_UNKNOWN;
+ }
+ status = global_func_table_.wifi_initialize(&global_handle_);
+ if (status != WIFI_SUCCESS || !global_handle_) {
+ LOG(ERROR) << "Failed to retrieve global handle";
+ return status;
+ }
+ std::thread(&WifiLegacyHal::runEventLoop, this).detach();
+ status = retrieveIfaceHandles();
+ if (status != WIFI_SUCCESS || iface_name_to_handle_.empty()) {
+ LOG(ERROR) << "Failed to retrieve wlan interface handle";
+ return status;
+ }
+ LOG(DEBUG) << "Legacy HAL start complete";
+ is_started_ = true;
+ return WIFI_SUCCESS;
+}
+
+wifi_error WifiLegacyHal::stop(
+ /* NONNULL */ std::unique_lock<std::recursive_mutex>* lock,
+ const std::function<void()>& on_stop_complete_user_callback) {
+ if (!is_started_) {
+ LOG(DEBUG) << "Legacy HAL already stopped";
+ on_stop_complete_user_callback();
+ return WIFI_SUCCESS;
+ }
+ LOG(DEBUG) << "Stopping legacy HAL";
+ on_stop_complete_internal_callback = [on_stop_complete_user_callback,
+ this](wifi_handle handle) {
+ CHECK_EQ(global_handle_, handle) << "Handle mismatch";
+ LOG(INFO) << "Legacy HAL stop complete callback received";
+ // Invalidate all the internal pointers now that the HAL is
+ // stopped.
+ invalidate();
+ iface_tool_.SetWifiUpState(false);
+ on_stop_complete_user_callback();
+ is_started_ = false;
+ };
+ awaiting_event_loop_termination_ = true;
+ global_func_table_.wifi_cleanup(global_handle_, onAsyncStopComplete);
+ const auto status = stop_wait_cv_.wait_for(
+ *lock, std::chrono::milliseconds(kMaxStopCompleteWaitMs),
+ [this] { return !awaiting_event_loop_termination_; });
+ if (!status) {
+ LOG(ERROR) << "Legacy HAL stop failed or timed out";
+ return WIFI_ERROR_UNKNOWN;
+ }
+ LOG(DEBUG) << "Legacy HAL stop complete";
+ return WIFI_SUCCESS;
+}
+
+std::pair<wifi_error, std::string> WifiLegacyHal::getDriverVersion(
+ const std::string& iface_name) {
+ std::array<char, kMaxVersionStringLength> buffer;
+ buffer.fill(0);
+ wifi_error status = global_func_table_.wifi_get_driver_version(
+ getIfaceHandle(iface_name), buffer.data(), buffer.size());
+ return {status, buffer.data()};
+}
+
+std::pair<wifi_error, std::string> WifiLegacyHal::getFirmwareVersion(
+ const std::string& iface_name) {
+ std::array<char, kMaxVersionStringLength> buffer;
+ buffer.fill(0);
+ wifi_error status = global_func_table_.wifi_get_firmware_version(
+ getIfaceHandle(iface_name), buffer.data(), buffer.size());
+ return {status, buffer.data()};
+}
+
+std::pair<wifi_error, std::vector<uint8_t>>
+WifiLegacyHal::requestDriverMemoryDump(const std::string& iface_name) {
+ std::vector<uint8_t> driver_dump;
+ on_driver_memory_dump_internal_callback = [&driver_dump](char* buffer,
+ int buffer_size) {
+ driver_dump.insert(driver_dump.end(),
+ reinterpret_cast<uint8_t*>(buffer),
+ reinterpret_cast<uint8_t*>(buffer) + buffer_size);
+ };
+ wifi_error status = global_func_table_.wifi_get_driver_memory_dump(
+ getIfaceHandle(iface_name), {onSyncDriverMemoryDump});
+ on_driver_memory_dump_internal_callback = nullptr;
+ return {status, std::move(driver_dump)};
+}
+
+std::pair<wifi_error, std::vector<uint8_t>>
+WifiLegacyHal::requestFirmwareMemoryDump(const std::string& iface_name) {
+ std::vector<uint8_t> firmware_dump;
+ on_firmware_memory_dump_internal_callback =
+ [&firmware_dump](char* buffer, int buffer_size) {
+ firmware_dump.insert(
+ firmware_dump.end(), reinterpret_cast<uint8_t*>(buffer),
+ reinterpret_cast<uint8_t*>(buffer) + buffer_size);
+ };
+ wifi_error status = global_func_table_.wifi_get_firmware_memory_dump(
+ getIfaceHandle(iface_name), {onSyncFirmwareMemoryDump});
+ on_firmware_memory_dump_internal_callback = nullptr;
+ return {status, std::move(firmware_dump)};
+}
+
+std::pair<wifi_error, uint32_t> WifiLegacyHal::getSupportedFeatureSet(
+ const std::string& iface_name) {
+ feature_set set;
+ static_assert(sizeof(set) == sizeof(uint32_t),
+ "Some feature_flags can not be represented in output");
+ wifi_error status = global_func_table_.wifi_get_supported_feature_set(
+ getIfaceHandle(iface_name), &set);
+ return {status, static_cast<uint32_t>(set)};
+}
+
+std::pair<wifi_error, PacketFilterCapabilities>
+WifiLegacyHal::getPacketFilterCapabilities(const std::string& iface_name) {
+ PacketFilterCapabilities caps;
+ wifi_error status = global_func_table_.wifi_get_packet_filter_capabilities(
+ getIfaceHandle(iface_name), &caps.version, &caps.max_len);
+ return {status, caps};
+}
+
+wifi_error WifiLegacyHal::setPacketFilter(const std::string& iface_name,
+ const std::vector<uint8_t>& program) {
+ return global_func_table_.wifi_set_packet_filter(
+ getIfaceHandle(iface_name), program.data(), program.size());
+}
+
+std::pair<wifi_error, std::vector<uint8_t>>
+WifiLegacyHal::readApfPacketFilterData(const std::string& iface_name) {
+ PacketFilterCapabilities caps;
+ wifi_error status = global_func_table_.wifi_get_packet_filter_capabilities(
+ getIfaceHandle(iface_name), &caps.version, &caps.max_len);
+ if (status != WIFI_SUCCESS) {
+ return {status, {}};
+ }
+
+ // Size the buffer to read the entire program & work memory.
+ std::vector<uint8_t> buffer(caps.max_len);
+
+ status = global_func_table_.wifi_read_packet_filter(
+ getIfaceHandle(iface_name), /*src_offset=*/0, buffer.data(),
+ buffer.size());
+ return {status, move(buffer)};
+}
+
+std::pair<wifi_error, wifi_gscan_capabilities>
+WifiLegacyHal::getGscanCapabilities(const std::string& iface_name) {
+ wifi_gscan_capabilities caps;
+ wifi_error status = global_func_table_.wifi_get_gscan_capabilities(
+ getIfaceHandle(iface_name), &caps);
+ return {status, caps};
+}
+
+wifi_error WifiLegacyHal::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_user_callback,
+ const on_gscan_results_callback& on_results_user_callback,
+ const on_gscan_full_result_callback& on_full_result_user_callback) {
+ // If there is already an ongoing background scan, reject new scan requests.
+ if (on_gscan_event_internal_callback ||
+ on_gscan_full_result_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+
+ // This callback will be used to either trigger |on_results_user_callback|
+ // or |on_failure_user_callback|.
+ on_gscan_event_internal_callback =
+ [iface_name, on_failure_user_callback, on_results_user_callback, this](
+ wifi_request_id id, wifi_scan_event event) {
+ switch (event) {
+ case WIFI_SCAN_RESULTS_AVAILABLE:
+ case WIFI_SCAN_THRESHOLD_NUM_SCANS:
+ case WIFI_SCAN_THRESHOLD_PERCENT: {
+ wifi_error status;
+ std::vector<wifi_cached_scan_results> cached_scan_results;
+ std::tie(status, cached_scan_results) =
+ getGscanCachedResults(iface_name);
+ if (status == WIFI_SUCCESS) {
+ on_results_user_callback(id, cached_scan_results);
+ return;
+ }
+ }
+ // Fall through if failed. Failure to retrieve cached scan
+ // results should trigger a background scan failure.
+ case WIFI_SCAN_FAILED:
+ on_failure_user_callback(id);
+ on_gscan_event_internal_callback = nullptr;
+ on_gscan_full_result_internal_callback = nullptr;
+ return;
+ }
+ LOG(FATAL) << "Unexpected gscan event received: " << event;
+ };
+
+ on_gscan_full_result_internal_callback = [on_full_result_user_callback](
+ wifi_request_id id,
+ wifi_scan_result* result,
+ uint32_t buckets_scanned) {
+ if (result) {
+ on_full_result_user_callback(id, result, buckets_scanned);
+ }
+ };
+
+ wifi_scan_result_handler handler = {onAsyncGscanFullResult,
+ onAsyncGscanEvent};
+ wifi_error status = global_func_table_.wifi_start_gscan(
+ id, getIfaceHandle(iface_name), params, handler);
+ if (status != WIFI_SUCCESS) {
+ on_gscan_event_internal_callback = nullptr;
+ on_gscan_full_result_internal_callback = nullptr;
+ }
+ return status;
+}
+
+wifi_error WifiLegacyHal::stopGscan(const std::string& iface_name,
+ wifi_request_id id) {
+ // If there is no an ongoing background scan, reject stop requests.
+ // TODO(b/32337212): This needs to be handled by the HIDL object because we
+ // need to return the NOT_STARTED error code.
+ if (!on_gscan_event_internal_callback &&
+ !on_gscan_full_result_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ wifi_error status =
+ global_func_table_.wifi_stop_gscan(id, getIfaceHandle(iface_name));
+ // If the request Id is wrong, don't stop the ongoing background scan. Any
+ // other error should be treated as the end of background scan.
+ if (status != WIFI_ERROR_INVALID_REQUEST_ID) {
+ on_gscan_event_internal_callback = nullptr;
+ on_gscan_full_result_internal_callback = nullptr;
+ }
+ return status;
+}
+
+std::pair<wifi_error, std::vector<uint32_t>>
+WifiLegacyHal::getValidFrequenciesForBand(const std::string& iface_name,
+ wifi_band band) {
+ static_assert(sizeof(uint32_t) >= sizeof(wifi_channel),
+ "Wifi Channel cannot be represented in output");
+ std::vector<uint32_t> freqs;
+ freqs.resize(kMaxGscanFrequenciesForBand);
+ int32_t num_freqs = 0;
+ wifi_error status = global_func_table_.wifi_get_valid_channels(
+ getIfaceHandle(iface_name), band, freqs.size(),
+ reinterpret_cast<wifi_channel*>(freqs.data()), &num_freqs);
+ CHECK(num_freqs >= 0 &&
+ static_cast<uint32_t>(num_freqs) <= kMaxGscanFrequenciesForBand);
+ freqs.resize(num_freqs);
+ return {status, std::move(freqs)};
+}
+
+wifi_error WifiLegacyHal::setDfsFlag(const std::string& iface_name,
+ bool dfs_on) {
+ return global_func_table_.wifi_set_nodfs_flag(getIfaceHandle(iface_name),
+ dfs_on ? 0 : 1);
+}
+
+wifi_error WifiLegacyHal::enableLinkLayerStats(const std::string& iface_name,
+ bool debug) {
+ wifi_link_layer_params params;
+ params.mpdu_size_threshold = kLinkLayerStatsDataMpduSizeThreshold;
+ params.aggressive_statistics_gathering = debug;
+ return global_func_table_.wifi_set_link_stats(getIfaceHandle(iface_name),
+ params);
+}
+
+wifi_error WifiLegacyHal::disableLinkLayerStats(const std::string& iface_name) {
+ // TODO: Do we care about these responses?
+ uint32_t clear_mask_rsp;
+ uint8_t stop_rsp;
+ return global_func_table_.wifi_clear_link_stats(
+ getIfaceHandle(iface_name), 0xFFFFFFFF, &clear_mask_rsp, 1, &stop_rsp);
+}
+
+std::pair<wifi_error, LinkLayerStats> WifiLegacyHal::getLinkLayerStats(
+ const std::string& iface_name) {
+ LinkLayerStats link_stats{};
+ LinkLayerStats* link_stats_ptr = &link_stats;
+
+ on_link_layer_stats_result_internal_callback =
+ [&link_stats_ptr](wifi_request_id /* id */,
+ wifi_iface_stat* iface_stats_ptr, int num_radios,
+ wifi_radio_stat* radio_stats_ptr) {
+ if (iface_stats_ptr != nullptr) {
+ link_stats_ptr->iface = *iface_stats_ptr;
+ link_stats_ptr->iface.num_peers = 0;
+ } else {
+ LOG(ERROR) << "Invalid iface stats in link layer stats";
+ }
+ if (num_radios <= 0 || radio_stats_ptr == nullptr) {
+ LOG(ERROR) << "Invalid radio stats in link layer stats";
+ return;
+ }
+ for (int i = 0; i < num_radios; i++) {
+ LinkLayerRadioStats radio;
+ radio.stats = radio_stats_ptr[i];
+ // Copy over the tx level array to the separate vector.
+ if (radio_stats_ptr[i].num_tx_levels > 0 &&
+ radio_stats_ptr[i].tx_time_per_levels != nullptr) {
+ radio.tx_time_per_levels.assign(
+ radio_stats_ptr[i].tx_time_per_levels,
+ radio_stats_ptr[i].tx_time_per_levels +
+ radio_stats_ptr[i].num_tx_levels);
+ }
+ radio.stats.num_tx_levels = 0;
+ radio.stats.tx_time_per_levels = nullptr;
+ link_stats_ptr->radios.push_back(radio);
+ }
+ };
+
+ wifi_error status = global_func_table_.wifi_get_link_stats(
+ 0, getIfaceHandle(iface_name), {onSyncLinkLayerStatsResult});
+ on_link_layer_stats_result_internal_callback = nullptr;
+ return {status, link_stats};
+}
+
+wifi_error WifiLegacyHal::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_user_callback) {
+ if (on_rssi_threshold_breached_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ on_rssi_threshold_breached_internal_callback =
+ [on_threshold_breached_user_callback](wifi_request_id id,
+ uint8_t* bssid_ptr, int8_t rssi) {
+ if (!bssid_ptr) {
+ return;
+ }
+ std::array<uint8_t, 6> bssid_arr;
+ // |bssid_ptr| pointer is assumed to have 6 bytes for the mac
+ // address.
+ std::copy(bssid_ptr, bssid_ptr + 6, std::begin(bssid_arr));
+ on_threshold_breached_user_callback(id, bssid_arr, rssi);
+ };
+ wifi_error status = global_func_table_.wifi_start_rssi_monitoring(
+ id, getIfaceHandle(iface_name), max_rssi, min_rssi,
+ {onAsyncRssiThresholdBreached});
+ if (status != WIFI_SUCCESS) {
+ on_rssi_threshold_breached_internal_callback = nullptr;
+ }
+ return status;
+}
+
+wifi_error WifiLegacyHal::stopRssiMonitoring(const std::string& iface_name,
+ wifi_request_id id) {
+ if (!on_rssi_threshold_breached_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ wifi_error status = global_func_table_.wifi_stop_rssi_monitoring(
+ id, getIfaceHandle(iface_name));
+ // If the request Id is wrong, don't stop the ongoing rssi monitoring. Any
+ // other error should be treated as the end of background scan.
+ if (status != WIFI_ERROR_INVALID_REQUEST_ID) {
+ on_rssi_threshold_breached_internal_callback = nullptr;
+ }
+ return status;
+}
+
+std::pair<wifi_error, wifi_roaming_capabilities>
+WifiLegacyHal::getRoamingCapabilities(const std::string& iface_name) {
+ wifi_roaming_capabilities caps;
+ wifi_error status = global_func_table_.wifi_get_roaming_capabilities(
+ getIfaceHandle(iface_name), &caps);
+ return {status, caps};
+}
+
+wifi_error WifiLegacyHal::configureRoaming(const std::string& iface_name,
+ const wifi_roaming_config& config) {
+ wifi_roaming_config config_internal = config;
+ return global_func_table_.wifi_configure_roaming(getIfaceHandle(iface_name),
+ &config_internal);
+}
+
+wifi_error WifiLegacyHal::enableFirmwareRoaming(const std::string& iface_name,
+ fw_roaming_state_t state) {
+ return global_func_table_.wifi_enable_firmware_roaming(
+ getIfaceHandle(iface_name), state);
+}
+
+wifi_error WifiLegacyHal::configureNdOffload(const std::string& iface_name,
+ bool enable) {
+ return global_func_table_.wifi_configure_nd_offload(
+ getIfaceHandle(iface_name), enable);
+}
+
+wifi_error WifiLegacyHal::startSendingOffloadedPacket(
+ const std::string& iface_name, uint32_t cmd_id,
+ const std::vector<uint8_t>& ip_packet_data,
+ const std::array<uint8_t, 6>& src_address,
+ const std::array<uint8_t, 6>& dst_address, uint32_t period_in_ms) {
+ std::vector<uint8_t> ip_packet_data_internal(ip_packet_data);
+ std::vector<uint8_t> src_address_internal(
+ src_address.data(), src_address.data() + src_address.size());
+ std::vector<uint8_t> dst_address_internal(
+ dst_address.data(), dst_address.data() + dst_address.size());
+ return global_func_table_.wifi_start_sending_offloaded_packet(
+ cmd_id, getIfaceHandle(iface_name), ip_packet_data_internal.data(),
+ ip_packet_data_internal.size(), src_address_internal.data(),
+ dst_address_internal.data(), period_in_ms);
+}
+
+wifi_error WifiLegacyHal::stopSendingOffloadedPacket(
+ const std::string& iface_name, uint32_t cmd_id) {
+ return global_func_table_.wifi_stop_sending_offloaded_packet(
+ cmd_id, getIfaceHandle(iface_name));
+}
+
+wifi_error WifiLegacyHal::setScanningMacOui(const std::string& iface_name,
+ const std::array<uint8_t, 3>& oui) {
+ std::vector<uint8_t> oui_internal(oui.data(), oui.data() + oui.size());
+ return global_func_table_.wifi_set_scanning_mac_oui(
+ getIfaceHandle(iface_name), oui_internal.data());
+}
+
+wifi_error WifiLegacyHal::selectTxPowerScenario(const std::string& iface_name,
+ wifi_power_scenario scenario) {
+ return global_func_table_.wifi_select_tx_power_scenario(
+ getIfaceHandle(iface_name), scenario);
+}
+
+wifi_error WifiLegacyHal::resetTxPowerScenario(const std::string& iface_name) {
+ return global_func_table_.wifi_reset_tx_power_scenario(
+ getIfaceHandle(iface_name));
+}
+
+std::pair<wifi_error, uint32_t> WifiLegacyHal::getLoggerSupportedFeatureSet(
+ const std::string& iface_name) {
+ uint32_t supported_feature_flags;
+ wifi_error status =
+ global_func_table_.wifi_get_logger_supported_feature_set(
+ getIfaceHandle(iface_name), &supported_feature_flags);
+ return {status, supported_feature_flags};
+}
+
+wifi_error WifiLegacyHal::startPktFateMonitoring(
+ const std::string& iface_name) {
+ return global_func_table_.wifi_start_pkt_fate_monitoring(
+ getIfaceHandle(iface_name));
+}
+
+std::pair<wifi_error, std::vector<wifi_tx_report>> WifiLegacyHal::getTxPktFates(
+ const std::string& iface_name) {
+ std::vector<wifi_tx_report> tx_pkt_fates;
+ tx_pkt_fates.resize(MAX_FATE_LOG_LEN);
+ size_t num_fates = 0;
+ wifi_error status = global_func_table_.wifi_get_tx_pkt_fates(
+ getIfaceHandle(iface_name), tx_pkt_fates.data(), tx_pkt_fates.size(),
+ &num_fates);
+ CHECK(num_fates <= MAX_FATE_LOG_LEN);
+ tx_pkt_fates.resize(num_fates);
+ return {status, std::move(tx_pkt_fates)};
+}
+
+std::pair<wifi_error, std::vector<wifi_rx_report>> WifiLegacyHal::getRxPktFates(
+ const std::string& iface_name) {
+ std::vector<wifi_rx_report> rx_pkt_fates;
+ rx_pkt_fates.resize(MAX_FATE_LOG_LEN);
+ size_t num_fates = 0;
+ wifi_error status = global_func_table_.wifi_get_rx_pkt_fates(
+ getIfaceHandle(iface_name), rx_pkt_fates.data(), rx_pkt_fates.size(),
+ &num_fates);
+ CHECK(num_fates <= MAX_FATE_LOG_LEN);
+ rx_pkt_fates.resize(num_fates);
+ return {status, std::move(rx_pkt_fates)};
+}
+
+std::pair<wifi_error, WakeReasonStats> WifiLegacyHal::getWakeReasonStats(
+ const std::string& iface_name) {
+ WakeReasonStats stats;
+ stats.cmd_event_wake_cnt.resize(kMaxWakeReasonStatsArraySize);
+ stats.driver_fw_local_wake_cnt.resize(kMaxWakeReasonStatsArraySize);
+
+ // This legacy struct needs separate memory to store the variable sized wake
+ // reason types.
+ stats.wake_reason_cnt.cmd_event_wake_cnt =
+ reinterpret_cast<int32_t*>(stats.cmd_event_wake_cnt.data());
+ stats.wake_reason_cnt.cmd_event_wake_cnt_sz =
+ stats.cmd_event_wake_cnt.size();
+ stats.wake_reason_cnt.cmd_event_wake_cnt_used = 0;
+ stats.wake_reason_cnt.driver_fw_local_wake_cnt =
+ reinterpret_cast<int32_t*>(stats.driver_fw_local_wake_cnt.data());
+ stats.wake_reason_cnt.driver_fw_local_wake_cnt_sz =
+ stats.driver_fw_local_wake_cnt.size();
+ stats.wake_reason_cnt.driver_fw_local_wake_cnt_used = 0;
+
+ wifi_error status = global_func_table_.wifi_get_wake_reason_stats(
+ getIfaceHandle(iface_name), &stats.wake_reason_cnt);
+
+ CHECK(
+ stats.wake_reason_cnt.cmd_event_wake_cnt_used >= 0 &&
+ static_cast<uint32_t>(stats.wake_reason_cnt.cmd_event_wake_cnt_used) <=
+ kMaxWakeReasonStatsArraySize);
+ stats.cmd_event_wake_cnt.resize(
+ stats.wake_reason_cnt.cmd_event_wake_cnt_used);
+ stats.wake_reason_cnt.cmd_event_wake_cnt = nullptr;
+
+ CHECK(stats.wake_reason_cnt.driver_fw_local_wake_cnt_used >= 0 &&
+ static_cast<uint32_t>(
+ stats.wake_reason_cnt.driver_fw_local_wake_cnt_used) <=
+ kMaxWakeReasonStatsArraySize);
+ stats.driver_fw_local_wake_cnt.resize(
+ stats.wake_reason_cnt.driver_fw_local_wake_cnt_used);
+ stats.wake_reason_cnt.driver_fw_local_wake_cnt = nullptr;
+
+ return {status, stats};
+}
+
+wifi_error WifiLegacyHal::registerRingBufferCallbackHandler(
+ const std::string& iface_name,
+ const on_ring_buffer_data_callback& on_user_data_callback) {
+ if (on_ring_buffer_data_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ on_ring_buffer_data_internal_callback =
+ [on_user_data_callback](char* ring_name, char* buffer, int buffer_size,
+ wifi_ring_buffer_status* status) {
+ if (status && buffer) {
+ std::vector<uint8_t> buffer_vector(
+ reinterpret_cast<uint8_t*>(buffer),
+ reinterpret_cast<uint8_t*>(buffer) + buffer_size);
+ on_user_data_callback(ring_name, buffer_vector, *status);
+ }
+ };
+ wifi_error status = global_func_table_.wifi_set_log_handler(
+ 0, getIfaceHandle(iface_name), {onAsyncRingBufferData});
+ if (status != WIFI_SUCCESS) {
+ on_ring_buffer_data_internal_callback = nullptr;
+ }
+ return status;
+}
+
+wifi_error WifiLegacyHal::deregisterRingBufferCallbackHandler(
+ const std::string& iface_name) {
+ if (!on_ring_buffer_data_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ on_ring_buffer_data_internal_callback = nullptr;
+ return global_func_table_.wifi_reset_log_handler(
+ 0, getIfaceHandle(iface_name));
+}
+
+std::pair<wifi_error, std::vector<wifi_ring_buffer_status>>
+WifiLegacyHal::getRingBuffersStatus(const std::string& iface_name) {
+ std::vector<wifi_ring_buffer_status> ring_buffers_status;
+ ring_buffers_status.resize(kMaxRingBuffers);
+ uint32_t num_rings = kMaxRingBuffers;
+ wifi_error status = global_func_table_.wifi_get_ring_buffers_status(
+ getIfaceHandle(iface_name), &num_rings, ring_buffers_status.data());
+ CHECK(num_rings <= kMaxRingBuffers);
+ ring_buffers_status.resize(num_rings);
+ return {status, std::move(ring_buffers_status)};
+}
+
+wifi_error WifiLegacyHal::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) {
+ return global_func_table_.wifi_start_logging(
+ getIfaceHandle(iface_name), verbose_level, 0, max_interval_sec,
+ min_data_size, makeCharVec(ring_name).data());
+}
+
+wifi_error WifiLegacyHal::getRingBufferData(const std::string& iface_name,
+ const std::string& ring_name) {
+ return global_func_table_.wifi_get_ring_data(getIfaceHandle(iface_name),
+ makeCharVec(ring_name).data());
+}
+
+wifi_error WifiLegacyHal::registerErrorAlertCallbackHandler(
+ const std::string& iface_name,
+ const on_error_alert_callback& on_user_alert_callback) {
+ if (on_error_alert_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ on_error_alert_internal_callback = [on_user_alert_callback](
+ wifi_request_id id, char* buffer,
+ int buffer_size, int err_code) {
+ if (buffer) {
+ CHECK(id == 0);
+ on_user_alert_callback(
+ err_code,
+ std::vector<uint8_t>(
+ reinterpret_cast<uint8_t*>(buffer),
+ reinterpret_cast<uint8_t*>(buffer) + buffer_size));
+ }
+ };
+ wifi_error status = global_func_table_.wifi_set_alert_handler(
+ 0, getIfaceHandle(iface_name), {onAsyncErrorAlert});
+ if (status != WIFI_SUCCESS) {
+ on_error_alert_internal_callback = nullptr;
+ }
+ return status;
+}
+
+wifi_error WifiLegacyHal::deregisterErrorAlertCallbackHandler(
+ const std::string& iface_name) {
+ if (!on_error_alert_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ on_error_alert_internal_callback = nullptr;
+ return global_func_table_.wifi_reset_alert_handler(
+ 0, getIfaceHandle(iface_name));
+}
+
+wifi_error WifiLegacyHal::registerRadioModeChangeCallbackHandler(
+ const std::string& iface_name,
+ const on_radio_mode_change_callback& on_user_change_callback) {
+ if (on_radio_mode_change_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ on_radio_mode_change_internal_callback = [on_user_change_callback](
+ wifi_request_id /* id */,
+ uint32_t num_macs,
+ wifi_mac_info* mac_infos_arr) {
+ if (num_macs > 0 && mac_infos_arr) {
+ std::vector<WifiMacInfo> mac_infos_vec;
+ for (uint32_t i = 0; i < num_macs; i++) {
+ WifiMacInfo mac_info;
+ mac_info.wlan_mac_id = mac_infos_arr[i].wlan_mac_id;
+ mac_info.mac_band = mac_infos_arr[i].mac_band;
+ for (int32_t j = 0; j < mac_infos_arr[i].num_iface; j++) {
+ WifiIfaceInfo iface_info;
+ iface_info.name = mac_infos_arr[i].iface_info[j].iface_name;
+ iface_info.channel = mac_infos_arr[i].iface_info[j].channel;
+ mac_info.iface_infos.push_back(iface_info);
+ }
+ mac_infos_vec.push_back(mac_info);
+ }
+ on_user_change_callback(mac_infos_vec);
+ }
+ };
+ wifi_error status = global_func_table_.wifi_set_radio_mode_change_handler(
+ 0, getIfaceHandle(iface_name), {onAsyncRadioModeChange});
+ if (status != WIFI_SUCCESS) {
+ on_radio_mode_change_internal_callback = nullptr;
+ }
+ return status;
+}
+
+wifi_error WifiLegacyHal::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_user_callback) {
+ if (on_rtt_results_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+
+ on_rtt_results_internal_callback =
+ [on_results_user_callback](wifi_request_id id, unsigned num_results,
+ wifi_rtt_result* rtt_results[]) {
+ if (num_results > 0 && !rtt_results) {
+ LOG(ERROR) << "Unexpected nullptr in RTT results";
+ return;
+ }
+ std::vector<const wifi_rtt_result*> rtt_results_vec;
+ std::copy_if(rtt_results, rtt_results + num_results,
+ back_inserter(rtt_results_vec),
+ [](wifi_rtt_result* rtt_result) {
+ return rtt_result != nullptr;
+ });
+ on_results_user_callback(id, rtt_results_vec);
+ };
+
+ std::vector<wifi_rtt_config> rtt_configs_internal(rtt_configs);
+ wifi_error status = global_func_table_.wifi_rtt_range_request(
+ id, getIfaceHandle(iface_name), rtt_configs.size(),
+ rtt_configs_internal.data(), {onAsyncRttResults});
+ if (status != WIFI_SUCCESS) {
+ on_rtt_results_internal_callback = nullptr;
+ }
+ return status;
+}
+
+wifi_error WifiLegacyHal::cancelRttRangeRequest(
+ const std::string& iface_name, wifi_request_id id,
+ const std::vector<std::array<uint8_t, 6>>& mac_addrs) {
+ if (!on_rtt_results_internal_callback) {
+ return WIFI_ERROR_NOT_AVAILABLE;
+ }
+ static_assert(sizeof(mac_addr) == sizeof(std::array<uint8_t, 6>),
+ "MAC address size mismatch");
+ // TODO: How do we handle partial cancels (i.e only a subset of enabled mac
+ // addressed are cancelled).
+ std::vector<std::array<uint8_t, 6>> mac_addrs_internal(mac_addrs);
+ wifi_error status = global_func_table_.wifi_rtt_range_cancel(
+ id, getIfaceHandle(iface_name), mac_addrs.size(),
+ reinterpret_cast<mac_addr*>(mac_addrs_internal.data()));
+ // If the request Id is wrong, don't stop the ongoing range request. Any
+ // other error should be treated as the end of rtt ranging.
+ if (status != WIFI_ERROR_INVALID_REQUEST_ID) {
+ on_rtt_results_internal_callback = nullptr;
+ }
+ return status;
+}
+
+std::pair<wifi_error, wifi_rtt_capabilities> WifiLegacyHal::getRttCapabilities(
+ const std::string& iface_name) {
+ wifi_rtt_capabilities rtt_caps;
+ wifi_error status = global_func_table_.wifi_get_rtt_capabilities(
+ getIfaceHandle(iface_name), &rtt_caps);
+ return {status, rtt_caps};
+}
+
+std::pair<wifi_error, wifi_rtt_responder> WifiLegacyHal::getRttResponderInfo(
+ const std::string& iface_name) {
+ wifi_rtt_responder rtt_responder;
+ wifi_error status = global_func_table_.wifi_rtt_get_responder_info(
+ getIfaceHandle(iface_name), &rtt_responder);
+ return {status, rtt_responder};
+}
+
+wifi_error WifiLegacyHal::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_rtt_responder info_internal(info);
+ return global_func_table_.wifi_enable_responder(
+ id, getIfaceHandle(iface_name), channel_hint, max_duration_secs,
+ &info_internal);
+}
+
+wifi_error WifiLegacyHal::disableRttResponder(const std::string& iface_name,
+ wifi_request_id id) {
+ return global_func_table_.wifi_disable_responder(
+ id, getIfaceHandle(iface_name));
+}
+
+wifi_error WifiLegacyHal::setRttLci(const std::string& iface_name,
+ wifi_request_id id,
+ const wifi_lci_information& info) {
+ wifi_lci_information info_internal(info);
+ return global_func_table_.wifi_set_lci(id, getIfaceHandle(iface_name),
+ &info_internal);
+}
+
+wifi_error WifiLegacyHal::setRttLcr(const std::string& iface_name,
+ wifi_request_id id,
+ const wifi_lcr_information& info) {
+ wifi_lcr_information info_internal(info);
+ return global_func_table_.wifi_set_lcr(id, getIfaceHandle(iface_name),
+ &info_internal);
+}
+
+wifi_error WifiLegacyHal::nanRegisterCallbackHandlers(
+ const std::string& iface_name, const NanCallbackHandlers& user_callbacks) {
+ on_nan_notify_response_user_callback = user_callbacks.on_notify_response;
+ on_nan_event_publish_terminated_user_callback =
+ user_callbacks.on_event_publish_terminated;
+ on_nan_event_match_user_callback = user_callbacks.on_event_match;
+ on_nan_event_match_expired_user_callback =
+ user_callbacks.on_event_match_expired;
+ on_nan_event_subscribe_terminated_user_callback =
+ user_callbacks.on_event_subscribe_terminated;
+ on_nan_event_followup_user_callback = user_callbacks.on_event_followup;
+ on_nan_event_disc_eng_event_user_callback =
+ user_callbacks.on_event_disc_eng_event;
+ on_nan_event_disabled_user_callback = user_callbacks.on_event_disabled;
+ on_nan_event_tca_user_callback = user_callbacks.on_event_tca;
+ on_nan_event_beacon_sdf_payload_user_callback =
+ user_callbacks.on_event_beacon_sdf_payload;
+ on_nan_event_data_path_request_user_callback =
+ user_callbacks.on_event_data_path_request;
+ on_nan_event_data_path_confirm_user_callback =
+ user_callbacks.on_event_data_path_confirm;
+ on_nan_event_data_path_end_user_callback =
+ user_callbacks.on_event_data_path_end;
+ on_nan_event_transmit_follow_up_user_callback =
+ user_callbacks.on_event_transmit_follow_up;
+ on_nan_event_range_request_user_callback =
+ user_callbacks.on_event_range_request;
+ on_nan_event_range_report_user_callback =
+ user_callbacks.on_event_range_report;
+ on_nan_event_schedule_update_user_callback =
+ user_callbacks.on_event_schedule_update;
+
+ return global_func_table_.wifi_nan_register_handler(
+ getIfaceHandle(iface_name),
+ {onAysncNanNotifyResponse, onAysncNanEventPublishReplied,
+ onAysncNanEventPublishTerminated, onAysncNanEventMatch,
+ onAysncNanEventMatchExpired, onAysncNanEventSubscribeTerminated,
+ onAysncNanEventFollowup, onAysncNanEventDiscEngEvent,
+ onAysncNanEventDisabled, onAysncNanEventTca,
+ onAysncNanEventBeaconSdfPayload, onAysncNanEventDataPathRequest,
+ onAysncNanEventDataPathConfirm, onAysncNanEventDataPathEnd,
+ onAysncNanEventTransmitFollowUp, onAysncNanEventRangeRequest,
+ onAysncNanEventRangeReport, onAsyncNanEventScheduleUpdate});
+}
+
+wifi_error WifiLegacyHal::nanEnableRequest(const std::string& iface_name,
+ transaction_id id,
+ const NanEnableRequest& msg) {
+ NanEnableRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_enable_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanDisableRequest(const std::string& iface_name,
+ transaction_id id) {
+ return global_func_table_.wifi_nan_disable_request(
+ id, getIfaceHandle(iface_name));
+}
+
+wifi_error WifiLegacyHal::nanPublishRequest(const std::string& iface_name,
+ transaction_id id,
+ const NanPublishRequest& msg) {
+ NanPublishRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_publish_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanPublishCancelRequest(
+ const std::string& iface_name, transaction_id id,
+ const NanPublishCancelRequest& msg) {
+ NanPublishCancelRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_publish_cancel_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanSubscribeRequest(const std::string& iface_name,
+ transaction_id id,
+ const NanSubscribeRequest& msg) {
+ NanSubscribeRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_subscribe_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanSubscribeCancelRequest(
+ const std::string& iface_name, transaction_id id,
+ const NanSubscribeCancelRequest& msg) {
+ NanSubscribeCancelRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_subscribe_cancel_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanTransmitFollowupRequest(
+ const std::string& iface_name, transaction_id id,
+ const NanTransmitFollowupRequest& msg) {
+ NanTransmitFollowupRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_transmit_followup_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanStatsRequest(const std::string& iface_name,
+ transaction_id id,
+ const NanStatsRequest& msg) {
+ NanStatsRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_stats_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanConfigRequest(const std::string& iface_name,
+ transaction_id id,
+ const NanConfigRequest& msg) {
+ NanConfigRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_config_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanTcaRequest(const std::string& iface_name,
+ transaction_id id,
+ const NanTCARequest& msg) {
+ NanTCARequest msg_internal(msg);
+ return global_func_table_.wifi_nan_tca_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanBeaconSdfPayloadRequest(
+ const std::string& iface_name, transaction_id id,
+ const NanBeaconSdfPayloadRequest& msg) {
+ NanBeaconSdfPayloadRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_beacon_sdf_payload_request(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+std::pair<wifi_error, NanVersion> WifiLegacyHal::nanGetVersion() {
+ NanVersion version;
+ wifi_error status =
+ global_func_table_.wifi_nan_get_version(global_handle_, &version);
+ return {status, version};
+}
+
+wifi_error WifiLegacyHal::nanGetCapabilities(const std::string& iface_name,
+ transaction_id id) {
+ return global_func_table_.wifi_nan_get_capabilities(
+ id, getIfaceHandle(iface_name));
+}
+
+wifi_error WifiLegacyHal::nanDataInterfaceCreate(
+ const std::string& iface_name, transaction_id id,
+ const std::string& data_iface_name) {
+ return global_func_table_.wifi_nan_data_interface_create(
+ id, getIfaceHandle(iface_name), makeCharVec(data_iface_name).data());
+}
+
+wifi_error WifiLegacyHal::nanDataInterfaceDelete(
+ const std::string& iface_name, transaction_id id,
+ const std::string& data_iface_name) {
+ return global_func_table_.wifi_nan_data_interface_delete(
+ id, getIfaceHandle(iface_name), makeCharVec(data_iface_name).data());
+}
+
+wifi_error WifiLegacyHal::nanDataRequestInitiator(
+ const std::string& iface_name, transaction_id id,
+ const NanDataPathInitiatorRequest& msg) {
+ NanDataPathInitiatorRequest msg_internal(msg);
+ return global_func_table_.wifi_nan_data_request_initiator(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+wifi_error WifiLegacyHal::nanDataIndicationResponse(
+ const std::string& iface_name, transaction_id id,
+ const NanDataPathIndicationResponse& msg) {
+ NanDataPathIndicationResponse msg_internal(msg);
+ return global_func_table_.wifi_nan_data_indication_response(
+ id, getIfaceHandle(iface_name), &msg_internal);
+}
+
+typedef struct {
+ u8 num_ndp_instances;
+ NanDataPathId ndp_instance_id;
+} NanDataPathEndSingleNdpIdRequest;
+
+wifi_error WifiLegacyHal::nanDataEnd(const std::string& iface_name,
+ transaction_id id,
+ uint32_t ndpInstanceId) {
+ NanDataPathEndSingleNdpIdRequest msg;
+ msg.num_ndp_instances = 1;
+ msg.ndp_instance_id = ndpInstanceId;
+ wifi_error status = global_func_table_.wifi_nan_data_end(
+ id, getIfaceHandle(iface_name), (NanDataPathEndRequest*)&msg);
+ return status;
+}
+
+wifi_error WifiLegacyHal::setCountryCode(const std::string& iface_name,
+ std::array<int8_t, 2> code) {
+ std::string code_str(code.data(), code.data() + code.size());
+ return global_func_table_.wifi_set_country_code(getIfaceHandle(iface_name),
+ code_str.c_str());
+}
+
+wifi_error WifiLegacyHal::retrieveIfaceHandles() {
+ wifi_interface_handle* iface_handles = nullptr;
+ int num_iface_handles = 0;
+ wifi_error status = global_func_table_.wifi_get_ifaces(
+ global_handle_, &num_iface_handles, &iface_handles);
+ if (status != WIFI_SUCCESS) {
+ LOG(ERROR) << "Failed to enumerate interface handles";
+ return status;
+ }
+ for (int i = 0; i < num_iface_handles; ++i) {
+ std::array<char, IFNAMSIZ> iface_name_arr = {};
+ status = global_func_table_.wifi_get_iface_name(
+ iface_handles[i], iface_name_arr.data(), iface_name_arr.size());
+ if (status != WIFI_SUCCESS) {
+ LOG(WARNING) << "Failed to get interface handle name";
+ continue;
+ }
+ // Assuming the interface name is null terminated since the legacy HAL
+ // API does not return a size.
+ std::string iface_name(iface_name_arr.data());
+ LOG(INFO) << "Adding interface handle for " << iface_name;
+ iface_name_to_handle_[iface_name] = iface_handles[i];
+ }
+ return WIFI_SUCCESS;
+}
+
+wifi_interface_handle WifiLegacyHal::getIfaceHandle(
+ const std::string& iface_name) {
+ const auto iface_handle_iter = iface_name_to_handle_.find(iface_name);
+ if (iface_handle_iter == iface_name_to_handle_.end()) {
+ LOG(ERROR) << "Unknown iface name: " << iface_name;
+ return nullptr;
+ }
+ return iface_handle_iter->second;
+}
+
+void WifiLegacyHal::runEventLoop() {
+ LOG(DEBUG) << "Starting legacy HAL event loop";
+ global_func_table_.wifi_event_loop(global_handle_);
+ const auto lock = hidl_sync_util::acquireGlobalLock();
+ if (!awaiting_event_loop_termination_) {
+ LOG(FATAL)
+ << "Legacy HAL event loop terminated, but HAL was not stopping";
+ }
+ LOG(DEBUG) << "Legacy HAL event loop terminated";
+ awaiting_event_loop_termination_ = false;
+ stop_wait_cv_.notify_one();
+}
+
+std::pair<wifi_error, std::vector<wifi_cached_scan_results>>
+WifiLegacyHal::getGscanCachedResults(const std::string& iface_name) {
+ std::vector<wifi_cached_scan_results> cached_scan_results;
+ cached_scan_results.resize(kMaxCachedGscanResults);
+ int32_t num_results = 0;
+ wifi_error status = global_func_table_.wifi_get_cached_gscan_results(
+ getIfaceHandle(iface_name), true /* always flush */,
+ cached_scan_results.size(), cached_scan_results.data(), &num_results);
+ CHECK(num_results >= 0 &&
+ static_cast<uint32_t>(num_results) <= kMaxCachedGscanResults);
+ cached_scan_results.resize(num_results);
+ // Check for invalid IE lengths in these cached scan results and correct it.
+ for (auto& cached_scan_result : cached_scan_results) {
+ int num_scan_results = cached_scan_result.num_results;
+ for (int i = 0; i < num_scan_results; i++) {
+ auto& scan_result = cached_scan_result.results[i];
+ if (scan_result.ie_length > 0) {
+ LOG(DEBUG) << "Cached scan result has non-zero IE length "
+ << scan_result.ie_length;
+ scan_result.ie_length = 0;
+ }
+ }
+ }
+ return {status, std::move(cached_scan_results)};
+}
+
+void WifiLegacyHal::invalidate() {
+ global_handle_ = nullptr;
+ iface_name_to_handle_.clear();
+ on_driver_memory_dump_internal_callback = nullptr;
+ on_firmware_memory_dump_internal_callback = nullptr;
+ on_gscan_event_internal_callback = nullptr;
+ on_gscan_full_result_internal_callback = nullptr;
+ on_link_layer_stats_result_internal_callback = nullptr;
+ on_rssi_threshold_breached_internal_callback = nullptr;
+ on_ring_buffer_data_internal_callback = nullptr;
+ on_error_alert_internal_callback = nullptr;
+ on_radio_mode_change_internal_callback = nullptr;
+ on_rtt_results_internal_callback = nullptr;
+ on_nan_notify_response_user_callback = nullptr;
+ on_nan_event_publish_terminated_user_callback = nullptr;
+ on_nan_event_match_user_callback = nullptr;
+ on_nan_event_match_expired_user_callback = nullptr;
+ on_nan_event_subscribe_terminated_user_callback = nullptr;
+ on_nan_event_followup_user_callback = nullptr;
+ on_nan_event_disc_eng_event_user_callback = nullptr;
+ on_nan_event_disabled_user_callback = nullptr;
+ on_nan_event_tca_user_callback = nullptr;
+ on_nan_event_beacon_sdf_payload_user_callback = nullptr;
+ on_nan_event_data_path_request_user_callback = nullptr;
+ on_nan_event_data_path_confirm_user_callback = nullptr;
+ on_nan_event_data_path_end_user_callback = nullptr;
+ on_nan_event_transmit_follow_up_user_callback = nullptr;
+ on_nan_event_range_request_user_callback = nullptr;
+ on_nan_event_range_report_user_callback = nullptr;
+ on_nan_event_schedule_update_user_callback = nullptr;
+}
+
+} // namespace legacy_hal
+} // namespace implementation
+} // namespace V1_3
+} // namespace wifi
+} // namespace hardware
+} // namespace android