Add ACL shim event registration - with deps am: 3896bdd9af am: 9f3485f7ca am: ee25d7ce1c (1d662938) · Commits · e / os / android_packages_modules_Bluetooth

system/main/shim/hci_layer.cc

+134 −2

Original line number	Diff line number	Diff line
		@@ -161,14 +161,60 @@ bool is_valid_event_code(uint8_t event_code_raw) {
		case bluetooth::hci::EventCode::USER_PASSKEY_NOTIFICATION:
		case bluetooth::hci::EventCode::KEYPRESS_NOTIFICATION:
		case bluetooth::hci::EventCode::REMOTE_HOST_SUPPORTED_FEATURES_NOTIFICATION:
		case bluetooth::hci::EventCode::LE_META_EVENT:
		case bluetooth::hci::EventCode::NUMBER_OF_COMPLETED_DATA_BLOCKS:
		case bluetooth::hci::EventCode::VENDOR_SPECIFIC:
		return true;
		case bluetooth::hci::EventCode::LE_META_EVENT: // Private to hci
		return false;
		}
		return false;
		};

		bool is_valid_subevent_code(uint8_t subevent_code_raw) {
		auto subevent_code =
		static_cast<bluetooth::hci::SubeventCode>(subevent_code_raw);
		switch (subevent_code) {
		case bluetooth::hci::SubeventCode::CONNECTION_COMPLETE:
		case bluetooth::hci::SubeventCode::CONNECTION_UPDATE_COMPLETE:
		case bluetooth::hci::SubeventCode::DATA_LENGTH_CHANGE:
		case bluetooth::hci::SubeventCode::ENHANCED_CONNECTION_COMPLETE:
		case bluetooth::hci::SubeventCode::PHY_UPDATE_COMPLETE:
		case bluetooth::hci::SubeventCode::READ_REMOTE_FEATURES_COMPLETE:
		case bluetooth::hci::SubeventCode::REMOTE_CONNECTION_PARAMETER_REQUEST:
		case bluetooth::hci::SubeventCode::READ_LOCAL_P256_PUBLIC_KEY_COMPLETE:
		case bluetooth::hci::SubeventCode::GENERATE_DHKEY_COMPLETE:
		case bluetooth::hci::SubeventCode::DIRECTED_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::EXTENDED_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::PERIODIC_ADVERTISING_SYNC_ESTABLISHED:
		case bluetooth::hci::SubeventCode::PERIODIC_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::PERIODIC_ADVERTISING_SYNC_LOST:
		case bluetooth::hci::SubeventCode::SCAN_TIMEOUT:
		case bluetooth::hci::SubeventCode::ADVERTISING_SET_TERMINATED:
		case bluetooth::hci::SubeventCode::SCAN_REQUEST_RECEIVED:
		case bluetooth::hci::SubeventCode::CHANNEL_SELECTION_ALGORITHM:
		case bluetooth::hci::SubeventCode::CONNECTIONLESS_IQ_REPORT:
		case bluetooth::hci::SubeventCode::CONNECTION_IQ_REPORT:
		case bluetooth::hci::SubeventCode::CTE_REQUEST_FAILED:
		case bluetooth::hci::SubeventCode::
		PERIODIC_ADVERTISING_SYNC_TRANSFER_RECEIVED:
		case bluetooth::hci::SubeventCode::CIS_ESTABLISHED:
		case bluetooth::hci::SubeventCode::CIS_REQUEST:
		case bluetooth::hci::SubeventCode::CREATE_BIG_COMPLETE:
		case bluetooth::hci::SubeventCode::TERMINATE_BIG_COMPLETE:
		case bluetooth::hci::SubeventCode::BIG_SYNC_ESTABLISHED:
		case bluetooth::hci::SubeventCode::BIG_SYNC_LOST:
		case bluetooth::hci::SubeventCode::REQUEST_PEER_SCA_COMPLETE:
		case bluetooth::hci::SubeventCode::PATH_LOSS_THRESHOLD:
		case bluetooth::hci::SubeventCode::TRANSMIT_POWER_REPORTING:
		case bluetooth::hci::SubeventCode::BIG_INFO_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::LONG_TERM_KEY_REQUEST:
		return true;
		default:
		return false;
		}
		}

		static bool event_already_registered_in_hci_layer(
		bluetooth::hci::EventCode event_code) {
		switch (event_code) {
		@@ -186,6 +232,61 @@ static bool event_already_registered_in_hci_layer(
		}
		}

		static bool event_already_registered_in_acl_layer(
		bluetooth::hci::EventCode event_code) {
		for (auto event : bluetooth::hci::AclConnectionEvents) {
		if (event == event_code) {
		return bluetooth::shim::is_gd_acl_enabled();
		}
		}
		return false;
		}

		static bool subevent_already_registered_in_le_hci_layer(
		bluetooth::hci::SubeventCode subevent_code) {
		switch (subevent_code) {
		case bluetooth::hci::SubeventCode::CONNECTION_COMPLETE:
		case bluetooth::hci::SubeventCode::CONNECTION_UPDATE_COMPLETE:
		case bluetooth::hci::SubeventCode::DATA_LENGTH_CHANGE:
		case bluetooth::hci::SubeventCode::ENHANCED_CONNECTION_COMPLETE:
		case bluetooth::hci::SubeventCode::PHY_UPDATE_COMPLETE:
		case bluetooth::hci::SubeventCode::REMOTE_CONNECTION_PARAMETER_REQUEST:
		return bluetooth::shim::is_gd_acl_enabled();

		case bluetooth::hci::SubeventCode::READ_REMOTE_FEATURES_COMPLETE:
		case bluetooth::hci::SubeventCode::READ_LOCAL_P256_PUBLIC_KEY_COMPLETE:
		case bluetooth::hci::SubeventCode::GENERATE_DHKEY_COMPLETE:
		case bluetooth::hci::SubeventCode::DIRECTED_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::EXTENDED_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::PERIODIC_ADVERTISING_SYNC_ESTABLISHED:
		case bluetooth::hci::SubeventCode::PERIODIC_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::PERIODIC_ADVERTISING_SYNC_LOST:
		case bluetooth::hci::SubeventCode::SCAN_TIMEOUT:
		case bluetooth::hci::SubeventCode::ADVERTISING_SET_TERMINATED:
		case bluetooth::hci::SubeventCode::SCAN_REQUEST_RECEIVED:
		case bluetooth::hci::SubeventCode::CHANNEL_SELECTION_ALGORITHM:
		case bluetooth::hci::SubeventCode::CONNECTIONLESS_IQ_REPORT:
		case bluetooth::hci::SubeventCode::CONNECTION_IQ_REPORT:
		case bluetooth::hci::SubeventCode::CTE_REQUEST_FAILED:
		case bluetooth::hci::SubeventCode::
		PERIODIC_ADVERTISING_SYNC_TRANSFER_RECEIVED:
		case bluetooth::hci::SubeventCode::CIS_ESTABLISHED:
		case bluetooth::hci::SubeventCode::CIS_REQUEST:
		case bluetooth::hci::SubeventCode::CREATE_BIG_COMPLETE:
		case bluetooth::hci::SubeventCode::TERMINATE_BIG_COMPLETE:
		case bluetooth::hci::SubeventCode::BIG_SYNC_ESTABLISHED:
		case bluetooth::hci::SubeventCode::BIG_SYNC_LOST:
		case bluetooth::hci::SubeventCode::REQUEST_PEER_SCA_COMPLETE:
		case bluetooth::hci::SubeventCode::PATH_LOSS_THRESHOLD:
		case bluetooth::hci::SubeventCode::TRANSMIT_POWER_REPORTING:
		case bluetooth::hci::SubeventCode::BIG_INFO_ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::ADVERTISING_REPORT:
		case bluetooth::hci::SubeventCode::LONG_TERM_KEY_REQUEST:
		default:
		return false;
		}
		}

		static bool event_already_registered_in_le_advertising_manager(
		bluetooth::hci::EventCode event_code) {
		for (auto event : bluetooth::hci::AclConnectionEvents) {
		@@ -229,6 +330,15 @@ static void event_callback(bluetooth::hci::EventPacketView event_packet_view) {
		&event_packet_view));
		}

		static void subevent_callback(
		bluetooth::hci::LeMetaEventView le_meta_event_view) {
		if (!send_data_upwards) {
		return;
		}
		send_data_upwards.Run(FROM_HERE, WrapPacketAndCopy(MSG_HC_TO_STACK_HCI_EVT,
		&le_meta_event_view));
		}

		static void set_data_cb(
		base::Callback<void(const base::Location&, BT_HDR*)> send_data_cb) {
		send_data_upwards = std::move(send_data_cb);
		@@ -421,7 +531,9 @@ void bluetooth::shim::hci_on_reset_complete() {
		continue;
		}
		auto event_code = static_cast<bluetooth::hci::EventCode>(event_code_raw);
		if (event_already_registered_in_hci_layer(event_code)) {
		if (event_already_registered_in_acl_layer(event_code)) {
		continue;
		} else if (event_already_registered_in_hci_layer(event_code)) {
		continue;
		} else if (event_already_registered_in_le_advertising_manager(event_code)) {
		continue;
		@@ -431,6 +543,26 @@ void bluetooth::shim::hci_on_reset_complete() {
		event_code, handler->Bind(event_callback));
		}

		for (uint8_t subevent_code_raw = 0; subevent_code_raw < 0xFF;
		subevent_code_raw++) {
		if (!is_valid_subevent_code(subevent_code_raw)) {
		continue;
		}
		auto subevent_code =
		static_cast<bluetooth::hci::SubeventCode>(subevent_code_raw);
		if (subevent_already_registered_in_le_hci_layer(subevent_code)) {
		continue;
		}

		auto handler = bluetooth::shim::GetGdShimHandler();
		bluetooth::shim::GetHciLayer()->RegisterLeEventHandler(
		subevent_code, handler->Bind(subevent_callback));
		}

		if (bluetooth::shim::is_gd_acl_enabled()) {
		return;
		}

		hci_queue_end = bluetooth::shim::GetHciLayer()->GetAclQueueEnd();

		// if gd advertising enabled, hci_queue_end will be register in