Convert vendor HAL service to use new AIDL interface.
Bug: 205044134
Test: Pass AIDL VTS tests and regression tests.
Change-Id: I286ffbf67efddc6c34d34ebd9e9bd9f36139c962
diff --git a/wifi/aidl/default/wifi_chip.h b/wifi/aidl/default/wifi_chip.h
new file mode 100644
index 0000000..59eaa4a
--- /dev/null
+++ b/wifi/aidl/default/wifi_chip.h
@@ -0,0 +1,287 @@
+/*
+ * 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_CHIP_H_
+#define WIFI_CHIP_H_
+
+#include <aidl/android/hardware/wifi/BnWifiChip.h>
+#include <aidl/android/hardware/wifi/IWifiRttController.h>
+#include <android-base/macros.h>
+
+#include <list>
+#include <map>
+#include <mutex>
+
+#include "aidl_callback_util.h"
+#include "ringbuffer.h"
+#include "wifi_ap_iface.h"
+#include "wifi_feature_flags.h"
+#include "wifi_legacy_hal.h"
+#include "wifi_mode_controller.h"
+#include "wifi_nan_iface.h"
+#include "wifi_p2p_iface.h"
+#include "wifi_rtt_controller.h"
+#include "wifi_sta_iface.h"
+
+namespace aidl {
+namespace android {
+namespace hardware {
+namespace wifi {
+
+/**
+ * AIDL interface object used to control a Wifi HAL chip instance.
+ * Since there is only a single chip instance used today, there is no
+ * identifying handle information stored here.
+ */
+class WifiChip : public BnWifiChip {
+ public:
+ WifiChip(int32_t chip_id, bool is_primary,
+ const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
+ const std::weak_ptr<mode_controller::WifiModeController> mode_controller,
+ const std::shared_ptr<iface_util::WifiIfaceUtil> iface_util,
+ const std::weak_ptr<feature_flags::WifiFeatureFlags> feature_flags,
+ const std::function<void(const std::string&)>& subsystemCallbackHandler);
+
+ // Factory method - use instead of default constructor.
+ static std::shared_ptr<WifiChip> create(
+ int32_t chip_id, bool is_primary,
+ const std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal,
+ const std::weak_ptr<mode_controller::WifiModeController> mode_controller,
+ const std::shared_ptr<iface_util::WifiIfaceUtil> iface_util,
+ const std::weak_ptr<feature_flags::WifiFeatureFlags> feature_flags,
+ const std::function<void(const std::string&)>& subsystemCallbackHandler);
+
+ // AIDL does not provide a built-in mechanism to let the server invalidate
+ // an AIDL interface object after creation. If any client process holds onto
+ // a reference to the object in their context, any method calls on that
+ // reference will continue to be directed to the server.
+ //
+ // However Wifi HAL needs to control the lifetime of these objects. So, add
+ // a public |invalidate| method to |WifiChip| and its child objects. This
+ // will be used to mark an object invalid when either:
+ // a) Wifi HAL is stopped, or
+ // b) Wifi Chip is reconfigured.
+ //
+ // All AIDL method implementations should check if the object is still
+ // marked valid before processing them.
+ void invalidate();
+ bool isValid();
+ std::set<std::shared_ptr<IWifiChipEventCallback>> getEventCallbacks();
+
+ // AIDL methods exposed.
+ ndk::ScopedAStatus getId(int32_t* _aidl_return) override;
+ ndk::ScopedAStatus registerEventCallback(
+ const std::shared_ptr<IWifiChipEventCallback>& in_callback) override;
+ ndk::ScopedAStatus getCapabilities(IWifiChip::ChipCapabilityMask* _aidl_return) override;
+ ndk::ScopedAStatus getAvailableModes(std::vector<IWifiChip::ChipMode>* _aidl_return) override;
+ ndk::ScopedAStatus configureChip(int32_t in_modeId) override;
+ ndk::ScopedAStatus getMode(int32_t* _aidl_return) override;
+ ndk::ScopedAStatus requestChipDebugInfo(IWifiChip::ChipDebugInfo* _aidl_return) override;
+ ndk::ScopedAStatus requestDriverDebugDump(std::vector<uint8_t>* _aidl_return) override;
+ ndk::ScopedAStatus requestFirmwareDebugDump(std::vector<uint8_t>* _aidl_return) override;
+ ndk::ScopedAStatus createApIface(std::shared_ptr<IWifiApIface>* _aidl_return) override;
+ ndk::ScopedAStatus createBridgedApIface(std::shared_ptr<IWifiApIface>* _aidl_return) override;
+ ndk::ScopedAStatus getApIfaceNames(std::vector<std::string>* _aidl_return) override;
+ ndk::ScopedAStatus getApIface(const std::string& in_ifname,
+ std::shared_ptr<IWifiApIface>* _aidl_return) override;
+ ndk::ScopedAStatus removeApIface(const std::string& in_ifname) override;
+ ndk::ScopedAStatus removeIfaceInstanceFromBridgedApIface(
+ const std::string& in_brIfaceName, const std::string& in_ifaceInstanceName) override;
+ ndk::ScopedAStatus createNanIface(std::shared_ptr<IWifiNanIface>* _aidl_return) override;
+ ndk::ScopedAStatus getNanIfaceNames(std::vector<std::string>* _aidl_return) override;
+ ndk::ScopedAStatus getNanIface(const std::string& in_ifname,
+ std::shared_ptr<IWifiNanIface>* _aidl_return) override;
+ ndk::ScopedAStatus removeNanIface(const std::string& in_ifname) override;
+ ndk::ScopedAStatus createP2pIface(std::shared_ptr<IWifiP2pIface>* _aidl_return) override;
+ ndk::ScopedAStatus getP2pIfaceNames(std::vector<std::string>* _aidl_return) override;
+ ndk::ScopedAStatus getP2pIface(const std::string& in_ifname,
+ std::shared_ptr<IWifiP2pIface>* _aidl_return) override;
+ ndk::ScopedAStatus removeP2pIface(const std::string& in_ifname) override;
+ ndk::ScopedAStatus createStaIface(std::shared_ptr<IWifiStaIface>* _aidl_return) override;
+ ndk::ScopedAStatus getStaIfaceNames(std::vector<std::string>* _aidl_return) override;
+ ndk::ScopedAStatus getStaIface(const std::string& in_ifname,
+ std::shared_ptr<IWifiStaIface>* _aidl_return) override;
+ ndk::ScopedAStatus removeStaIface(const std::string& in_ifname) override;
+ ndk::ScopedAStatus createRttController(
+ const std::shared_ptr<IWifiStaIface>& in_boundIface,
+ std::shared_ptr<IWifiRttController>* _aidl_return) override;
+ ndk::ScopedAStatus getDebugRingBuffersStatus(
+ std::vector<WifiDebugRingBufferStatus>* _aidl_return) override;
+ ndk::ScopedAStatus startLoggingToDebugRingBuffer(
+ const std::string& in_ringName, WifiDebugRingBufferVerboseLevel in_verboseLevel,
+ int32_t in_maxIntervalInSec, int32_t in_minDataSizeInBytes) override;
+ ndk::ScopedAStatus forceDumpToDebugRingBuffer(const std::string& in_ringName) override;
+ ndk::ScopedAStatus flushRingBufferToFile() override;
+ ndk::ScopedAStatus stopLoggingToDebugRingBuffer() override;
+ ndk::ScopedAStatus getDebugHostWakeReasonStats(
+ WifiDebugHostWakeReasonStats* _aidl_return) override;
+ ndk::ScopedAStatus enableDebugErrorAlerts(bool in_enable) override;
+ ndk::ScopedAStatus selectTxPowerScenario(IWifiChip::TxPowerScenario in_scenario) override;
+ ndk::ScopedAStatus resetTxPowerScenario() override;
+ ndk::ScopedAStatus setLatencyMode(IWifiChip::LatencyMode in_mode) override;
+ ndk::ScopedAStatus setMultiStaPrimaryConnection(const std::string& in_ifName) override;
+ ndk::ScopedAStatus setMultiStaUseCase(IWifiChip::MultiStaUseCase in_useCase) override;
+ ndk::ScopedAStatus setCoexUnsafeChannels(
+ const std::vector<IWifiChip::CoexUnsafeChannel>& in_unsafeChannels,
+ CoexRestriction in_restrictions) override;
+ ndk::ScopedAStatus setCountryCode(const std::array<uint8_t, 2>& in_code) override;
+ ndk::ScopedAStatus getUsableChannels(WifiBand in_band, WifiIfaceMode in_ifaceModeMask,
+ UsableChannelFilter in_filterMask,
+ std::vector<WifiUsableChannel>* _aidl_return) override;
+ ndk::ScopedAStatus triggerSubsystemRestart() override;
+ ndk::ScopedAStatus getSupportedRadioCombinationsMatrix(
+ WifiRadioCombinationMatrix* _aidl_return) override;
+ binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
+
+ private:
+ void invalidateAndRemoveAllIfaces();
+ // When a STA iface is removed any dependent NAN-ifaces/RTT-controllers are
+ // invalidated & removed.
+ void invalidateAndRemoveDependencies(const std::string& removed_iface_name);
+
+ // Corresponding worker functions for the AIDL methods.
+ std::pair<int32_t, ndk::ScopedAStatus> getIdInternal();
+ ndk::ScopedAStatus registerEventCallbackInternal(
+ const std::shared_ptr<IWifiChipEventCallback>& event_callback);
+ std::pair<IWifiChip::ChipCapabilityMask, ndk::ScopedAStatus> getCapabilitiesInternal();
+ std::pair<std::vector<IWifiChip::ChipMode>, ndk::ScopedAStatus> getAvailableModesInternal();
+ ndk::ScopedAStatus configureChipInternal(std::unique_lock<std::recursive_mutex>* lock,
+ int32_t mode_id);
+ std::pair<int32_t, ndk::ScopedAStatus> getModeInternal();
+ std::pair<IWifiChip::ChipDebugInfo, ndk::ScopedAStatus> requestChipDebugInfoInternal();
+ std::pair<std::vector<uint8_t>, ndk::ScopedAStatus> requestDriverDebugDumpInternal();
+ std::pair<std::vector<uint8_t>, ndk::ScopedAStatus> requestFirmwareDebugDumpInternal();
+ std::shared_ptr<WifiApIface> newWifiApIface(std::string& ifname);
+ ndk::ScopedAStatus createVirtualApInterface(const std::string& apVirtIf);
+ std::pair<std::shared_ptr<IWifiApIface>, ndk::ScopedAStatus> createApIfaceInternal();
+ std::pair<std::shared_ptr<IWifiApIface>, ndk::ScopedAStatus> createBridgedApIfaceInternal();
+ std::pair<std::vector<std::string>, ndk::ScopedAStatus> getApIfaceNamesInternal();
+ std::pair<std::shared_ptr<IWifiApIface>, ndk::ScopedAStatus> getApIfaceInternal(
+ const std::string& ifname);
+ ndk::ScopedAStatus removeApIfaceInternal(const std::string& ifname);
+ ndk::ScopedAStatus removeIfaceInstanceFromBridgedApIfaceInternal(
+ const std::string& brIfaceName, const std::string& ifInstanceName);
+ std::pair<std::shared_ptr<IWifiNanIface>, ndk::ScopedAStatus> createNanIfaceInternal();
+ std::pair<std::vector<std::string>, ndk::ScopedAStatus> getNanIfaceNamesInternal();
+ std::pair<std::shared_ptr<IWifiNanIface>, ndk::ScopedAStatus> getNanIfaceInternal(
+ const std::string& ifname);
+ ndk::ScopedAStatus removeNanIfaceInternal(const std::string& ifname);
+ std::pair<std::shared_ptr<IWifiP2pIface>, ndk::ScopedAStatus> createP2pIfaceInternal();
+ std::pair<std::vector<std::string>, ndk::ScopedAStatus> getP2pIfaceNamesInternal();
+ std::pair<std::shared_ptr<IWifiP2pIface>, ndk::ScopedAStatus> getP2pIfaceInternal(
+ const std::string& ifname);
+ ndk::ScopedAStatus removeP2pIfaceInternal(const std::string& ifname);
+ std::pair<std::shared_ptr<IWifiStaIface>, ndk::ScopedAStatus> createStaIfaceInternal();
+ std::pair<std::vector<std::string>, ndk::ScopedAStatus> getStaIfaceNamesInternal();
+ std::pair<std::shared_ptr<IWifiStaIface>, ndk::ScopedAStatus> getStaIfaceInternal(
+ const std::string& ifname);
+ ndk::ScopedAStatus removeStaIfaceInternal(const std::string& ifname);
+ std::pair<std::shared_ptr<IWifiRttController>, ndk::ScopedAStatus> createRttControllerInternal(
+ const std::shared_ptr<IWifiStaIface>& bound_iface);
+ std::pair<std::vector<WifiDebugRingBufferStatus>, ndk::ScopedAStatus>
+ getDebugRingBuffersStatusInternal();
+ ndk::ScopedAStatus startLoggingToDebugRingBufferInternal(
+ const std::string& ring_name, WifiDebugRingBufferVerboseLevel verbose_level,
+ uint32_t max_interval_in_sec, uint32_t min_data_size_in_bytes);
+ ndk::ScopedAStatus forceDumpToDebugRingBufferInternal(const std::string& ring_name);
+ ndk::ScopedAStatus flushRingBufferToFileInternal();
+ ndk::ScopedAStatus stopLoggingToDebugRingBufferInternal();
+ std::pair<WifiDebugHostWakeReasonStats, ndk::ScopedAStatus>
+ getDebugHostWakeReasonStatsInternal();
+ ndk::ScopedAStatus enableDebugErrorAlertsInternal(bool enable);
+ ndk::ScopedAStatus selectTxPowerScenarioInternal(IWifiChip::TxPowerScenario scenario);
+ ndk::ScopedAStatus resetTxPowerScenarioInternal();
+ ndk::ScopedAStatus setLatencyModeInternal(IWifiChip::LatencyMode mode);
+ ndk::ScopedAStatus setMultiStaPrimaryConnectionInternal(const std::string& ifname);
+ ndk::ScopedAStatus setMultiStaUseCaseInternal(IWifiChip::MultiStaUseCase use_case);
+ ndk::ScopedAStatus setCoexUnsafeChannelsInternal(
+ std::vector<IWifiChip::CoexUnsafeChannel> unsafe_channels,
+ CoexRestriction restrictions);
+ ndk::ScopedAStatus setCountryCodeInternal(const std::array<uint8_t, 2>& in_code);
+ std::pair<std::vector<WifiUsableChannel>, ndk::ScopedAStatus> getUsableChannelsInternal(
+ WifiBand band, WifiIfaceMode ifaceModeMask, UsableChannelFilter filterMask);
+ ndk::ScopedAStatus handleChipConfiguration(std::unique_lock<std::recursive_mutex>* lock,
+ int32_t mode_id);
+ ndk::ScopedAStatus registerDebugRingBufferCallback();
+ ndk::ScopedAStatus registerRadioModeChangeCallback();
+
+ std::vector<ChipConcurrencyCombination> getCurrentModeConcurrencyCombinations();
+ std::map<IfaceConcurrencyType, size_t> getCurrentConcurrencyCombination();
+ std::vector<std::map<IfaceConcurrencyType, size_t>> expandConcurrencyCombinations(
+ const ChipConcurrencyCombination& combination);
+ bool canExpandedConcurrencyComboSupportConcurrencyTypeWithCurrentTypes(
+ const std::map<IfaceConcurrencyType, size_t>& expanded_combo,
+ IfaceConcurrencyType requested_type);
+ bool canCurrentModeSupportConcurrencyTypeWithCurrentTypes(IfaceConcurrencyType requested_type);
+ bool canExpandedConcurrencyComboSupportConcurrencyCombo(
+ const std::map<IfaceConcurrencyType, size_t>& expanded_combo,
+ const std::map<IfaceConcurrencyType, size_t>& req_combo);
+ bool canCurrentModeSupportConcurrencyCombo(
+ const std::map<IfaceConcurrencyType, size_t>& req_combo);
+ bool canCurrentModeSupportConcurrencyType(IfaceConcurrencyType requested_type);
+
+ bool isValidModeId(int32_t mode_id);
+ bool isStaApConcurrencyAllowedInCurrentMode();
+ bool isDualStaConcurrencyAllowedInCurrentMode();
+ uint32_t startIdxOfApIface();
+ std::string getFirstActiveWlanIfaceName();
+ std::string allocateApOrStaIfaceName(IfaceType type, uint32_t start_idx);
+ std::string allocateApIfaceName();
+ std::vector<std::string> allocateBridgedApInstanceNames();
+ std::string allocateStaIfaceName();
+ bool writeRingbufferFilesInternal();
+ std::string getWlanIfaceNameWithType(IfaceType type, unsigned idx);
+ void invalidateAndClearBridgedApAll();
+ void invalidateAndClearBridgedAp(const std::string& br_name);
+ bool findUsingNameFromBridgedApInstances(const std::string& name);
+ ndk::ScopedAStatus triggerSubsystemRestartInternal();
+ std::pair<WifiRadioCombinationMatrix, ndk::ScopedAStatus>
+ getSupportedRadioCombinationsMatrixInternal();
+ void setWeakPtr(std::weak_ptr<WifiChip> ptr);
+
+ int32_t chip_id_;
+ std::weak_ptr<legacy_hal::WifiLegacyHal> legacy_hal_;
+ std::weak_ptr<mode_controller::WifiModeController> mode_controller_;
+ std::shared_ptr<iface_util::WifiIfaceUtil> iface_util_;
+ std::vector<std::shared_ptr<WifiApIface>> ap_ifaces_;
+ std::vector<std::shared_ptr<WifiNanIface>> nan_ifaces_;
+ std::vector<std::shared_ptr<WifiP2pIface>> p2p_ifaces_;
+ std::vector<std::shared_ptr<WifiStaIface>> sta_ifaces_;
+ std::vector<std::shared_ptr<WifiRttController>> rtt_controllers_;
+ std::map<std::string, Ringbuffer> ringbuffer_map_;
+ bool is_valid_;
+ // Members pertaining to chip configuration.
+ int32_t current_mode_id_;
+ std::mutex lock_t;
+ std::vector<IWifiChip::ChipMode> modes_;
+ // The legacy ring buffer callback API has only a global callback
+ // registration mechanism. Use this to check if we have already
+ // registered a callback.
+ bool debug_ring_buffer_cb_registered_;
+ aidl_callback_util::AidlCallbackHandler<IWifiChipEventCallback> event_cb_handler_;
+ std::weak_ptr<WifiChip> weak_ptr_this_;
+
+ const std::function<void(const std::string&)> subsystemCallbackHandler_;
+ std::map<std::string, std::vector<std::string>> br_ifaces_ap_instances_;
+ DISALLOW_COPY_AND_ASSIGN(WifiChip);
+};
+
+} // namespace wifi
+} // namespace hardware
+} // namespace android
+} // namespace aidl
+
+#endif // WIFI_CHIP_H_