legacy: Remove CONTROLLER_MODULE (847e4c25) · Commits · e / os / android_packages_modules_Bluetooth

system/btif/src/stack_manager.cc

+0 −6

Original line number	Diff line number	Diff line
		@@ -175,7 +175,6 @@ const struct module_lookup module_table[] = {
		{BTIF_CONFIG_MODULE, &btif_config_module},
		{BTSNOOP_MODULE, &btsnoop_module},
		{BT_UTILS_MODULE, &bt_utils_module},
		{CONTROLLER_MODULE, &controller_module},
		{GD_IDLE_MODULE, &gd_idle_module},
		{GD_SHIM_MODULE, &gd_shim_module},
		{INTEROP_MODULE, &interop_module},
		@@ -366,11 +365,6 @@ static void event_shut_down_stack(UNUSED_ATTR void* context) {
		module_shut_down(get_local_module(BTSNOOP_MODULE));
		}

		module_shut_down(
		get_local_module(CONTROLLER_MODULE)); // Doesn't do any work, just
		// puts it in a restartable
		// state

		hack_future = future_new();
		do_in_jni_thread(FROM_HERE, base::Bind(event_signal_stack_down, nullptr));
		future_await(hack_future);

system/device/include/controller.h

+0 −2

Original line number	Diff line number	Diff line
		@@ -24,8 +24,6 @@
		#include "btcore/include/version.h"
		#include "types/raw_address.h"

		static const char CONTROLLER_MODULE[] = "controller_module";

		typedef struct controller_t {
		bool (*get_is_ready)(void);

system/device/src/controller.cc

+0 −308

Original line number	Diff line number	Diff line
		@@ -16,315 +16,7 @@
		*
		******************************************************************************/

		#define LOG_TAG "bt_controller"

		#include "device/include/controller.h"

		#include <base/logging.h>

		#include "btcore/include/event_mask.h"
		#include "btcore/include/module.h"
		#include "btcore/include/version.h"
		#include "check.h"
		#include "hci/include/hci_packet_factory.h"
		#include "hci/include/hci_packet_parser.h"
		#include "main/shim/controller.h"
		#include "main/shim/hci_layer.h"
		#include "main/shim/shim.h"
		#include "osi/include/future.h"
		#include "osi/include/properties.h"
		#include "stack/include/btm_ble_api.h"

		const bt_event_mask_t BLE_EVENT_MASK = {
		{0x00, 0x00, 0x00, 0x00, 0x7F, 0x02, 0xFE, 0x7f}};

		const bt_event_mask_t CLASSIC_EVENT_MASK = {HCI_DUMO_EVENT_MASK_EXT};

		// TODO(zachoverflow): factor out into common module
		const uint8_t SCO_HOST_BUFFER_SIZE = 0xff;

		#define HCI_SUPPORTED_COMMANDS_ARRAY_SIZE 64
		#define MAX_FEATURES_CLASSIC_PAGE_COUNT 3
		#define BLE_SUPPORTED_STATES_SIZE 8
		#define BLE_SUPPORTED_FEATURES_SIZE 8
		#define MAX_LOCAL_SUPPORTED_CODECS_SIZE 8
		#define LL_FEATURE_BIT_ISO_HOST_SUPPORT 32

		static const hci_t* local_hci;
		static const hci_packet_factory_t* packet_factory;
		static const hci_packet_parser_t* packet_parser;

		static RawAddress address;
		static bt_version_t bt_version;

		static uint8_t supported_commands[HCI_SUPPORTED_COMMANDS_ARRAY_SIZE];
		static bt_device_features_t features_classic[MAX_FEATURES_CLASSIC_PAGE_COUNT];
		static uint8_t last_features_classic_page_index;

		static uint16_t acl_data_size_classic;
		static uint16_t acl_data_size_ble;
		static uint16_t iso_data_size;

		static uint16_t acl_buffer_count_classic;
		static uint8_t acl_buffer_count_ble;
		static uint8_t iso_buffer_count;

		static uint8_t ble_acceptlist_size;
		static uint8_t ble_resolving_list_max_size;
		static uint8_t ble_supported_states[BLE_SUPPORTED_STATES_SIZE];
		static bt_device_features_t features_ble;
		static uint16_t ble_suggested_default_data_length;
		static uint16_t ble_supported_max_tx_octets;
		static uint16_t ble_supported_max_tx_time;
		static uint16_t ble_supported_max_rx_octets;
		static uint16_t ble_supported_max_rx_time;

		static uint16_t ble_maximum_advertising_data_length;
		static uint8_t ble_number_of_supported_advertising_sets;
		static uint8_t ble_periodic_advertiser_list_size;
		static uint8_t local_supported_codecs[MAX_LOCAL_SUPPORTED_CODECS_SIZE];
		static uint8_t number_of_local_supported_codecs = 0;

		static bool readable;
		static bool ble_supported;
		static bool iso_supported;
		static bool simple_pairing_supported;
		static bool secure_connections_supported;

		#define AWAIT_COMMAND(command) \
		static_cast<BT_HDR*>( \
		future_await(local_hci->transmit_command_futured(command)))

		// Module lifecycle functions

		static future_t* start_up(void) {
		BT_HDR* response;

		// Send the initial reset command
		response = AWAIT_COMMAND(packet_factory->make_reset());
		packet_parser->parse_generic_command_complete(response);

		// Request the classic buffer size next
		response = AWAIT_COMMAND(packet_factory->make_read_buffer_size());
		packet_parser->parse_read_buffer_size_response(
		response, &acl_data_size_classic, &acl_buffer_count_classic);

		// Tell the controller about our buffer sizes and buffer counts next
		// TODO(zachoverflow): factor this out. eww l2cap contamination. And why just
		// a hardcoded 10?
		response = AWAIT_COMMAND(packet_factory->make_host_buffer_size(
		L2CAP_MTU_SIZE, SCO_HOST_BUFFER_SIZE, L2CAP_HOST_FC_ACL_BUFS, 10));

		packet_parser->parse_generic_command_complete(response);

		// Read the local version info off the controller next, including
		// information such as manufacturer and supported HCI version
		response = AWAIT_COMMAND(packet_factory->make_read_local_version_info());
		packet_parser->parse_read_local_version_info_response(response, &bt_version);

		// Read the bluetooth address off the controller next
		response = AWAIT_COMMAND(packet_factory->make_read_bd_addr());
		packet_parser->parse_read_bd_addr_response(response, &address);

		// Request the controller's supported commands next
		response =
		AWAIT_COMMAND(packet_factory->make_read_local_supported_commands());
		packet_parser->parse_read_local_supported_commands_response(
		response, supported_commands, HCI_SUPPORTED_COMMANDS_ARRAY_SIZE);

		// Read page 0 of the controller features next
		uint8_t page_number = 0;
		response = AWAIT_COMMAND(
		packet_factory->make_read_local_extended_features(page_number));
		packet_parser->parse_read_local_extended_features_response(
		response, &page_number, &last_features_classic_page_index,
		features_classic, MAX_FEATURES_CLASSIC_PAGE_COUNT);

		CHECK(page_number == 0);
		page_number++;

		// Inform the controller what page 0 features we support, based on what
		// it told us it supports. We need to do this first before we request the
		// next page, because the controller's response for page 1 may be
		// dependent on what we configure from page 0
		simple_pairing_supported =
		HCI_SIMPLE_PAIRING_SUPPORTED(features_classic[0].as_array);
		if (simple_pairing_supported) {
		response = AWAIT_COMMAND(
		packet_factory->make_write_simple_pairing_mode(HCI_SP_MODE_ENABLED));
		packet_parser->parse_generic_command_complete(response);
		}

		if (HCI_LE_SPT_SUPPORTED(features_classic[0].as_array)) {
		uint8_t simultaneous_le_host =
		HCI_SIMUL_LE_BREDR_SUPPORTED(features_classic[0].as_array)
		? BTM_BLE_SIMULTANEOUS_HOST
		: 0;
		response = AWAIT_COMMAND(packet_factory->make_ble_write_host_support(
		BTM_BLE_HOST_SUPPORT, simultaneous_le_host));

		packet_parser->parse_generic_command_complete(response);

		// If we modified the BT_HOST_SUPPORT, we will need ext. feat. page 1
		if (last_features_classic_page_index < 1)
		last_features_classic_page_index = 1;
		}

		// Done telling the controller about what page 0 features we support
		// Request the remaining feature pages
		while (page_number <= last_features_classic_page_index &&
		page_number < MAX_FEATURES_CLASSIC_PAGE_COUNT) {
		response = AWAIT_COMMAND(
		packet_factory->make_read_local_extended_features(page_number));
		packet_parser->parse_read_local_extended_features_response(
		response, &page_number, &last_features_classic_page_index,
		features_classic, MAX_FEATURES_CLASSIC_PAGE_COUNT);

		page_number++;
		}

		#if (SC_MODE_INCLUDED == TRUE)
		secure_connections_supported =
		HCI_SC_CTRLR_SUPPORTED(features_classic[2].as_array);
		if (secure_connections_supported) {
		response = AWAIT_COMMAND(
		packet_factory->make_write_secure_connections_host_support(
		HCI_SC_MODE_ENABLED));
		packet_parser->parse_generic_command_complete(response);
		}
		#endif

		ble_supported = last_features_classic_page_index >= 1 &&
		HCI_LE_HOST_SUPPORTED(features_classic[1].as_array);
		if (ble_supported) {
		// Request the ble acceptlist size next
		response = AWAIT_COMMAND(packet_factory->make_ble_read_acceptlist_size());
		packet_parser->parse_ble_read_acceptlist_size_response(
		response, &ble_acceptlist_size);

		// Request the ble supported features next
		response =
		AWAIT_COMMAND(packet_factory->make_ble_read_local_supported_features());
		packet_parser->parse_ble_read_local_supported_features_response(
		response, &features_ble);

		iso_supported = HCI_LE_CIS_CENTRAL(features_ble.as_array) \|\|
		HCI_LE_CIS_PERIPHERAL(features_ble.as_array) \|\|
		HCI_LE_ISO_BROADCASTER(features_ble.as_array);

		if (iso_supported) {
		// Request the ble buffer size next
		response = AWAIT_COMMAND(packet_factory->make_ble_read_buffer_size_v2());
		packet_parser->parse_ble_read_buffer_size_v2_response(
		response, &acl_data_size_ble, &acl_buffer_count_ble, &iso_data_size,
		&iso_buffer_count);

		} else {
		// Request the ble buffer size next
		response = AWAIT_COMMAND(packet_factory->make_ble_read_buffer_size());
		packet_parser->parse_ble_read_buffer_size_response(
		response, &acl_data_size_ble, &acl_buffer_count_ble);
		}

		// Response of 0 indicates ble has the same buffer size as classic
		if (acl_data_size_ble == 0) acl_data_size_ble = acl_data_size_classic;

		// Request the ble supported states next
		response = AWAIT_COMMAND(packet_factory->make_ble_read_supported_states());
		packet_parser->parse_ble_read_supported_states_response(
		response, ble_supported_states, sizeof(ble_supported_states));

		if (HCI_LE_ENHANCED_PRIVACY_SUPPORTED(features_ble.as_array)) {
		response =
		AWAIT_COMMAND(packet_factory->make_ble_read_resolving_list_size());
		packet_parser->parse_ble_read_resolving_list_size_response(
		response, &ble_resolving_list_max_size);
		}

		if (HCI_LE_DATA_LEN_EXT_SUPPORTED(features_ble.as_array)) {
		response =
		AWAIT_COMMAND(packet_factory->make_ble_read_maximum_data_length());
		packet_parser->parse_ble_read_maximum_data_length_response(
		response, &ble_supported_max_tx_octets, &ble_supported_max_tx_time,
		&ble_supported_max_rx_octets, &ble_supported_max_rx_time);

		response = AWAIT_COMMAND(
		packet_factory->make_ble_read_suggested_default_data_length());
		packet_parser->parse_ble_read_suggested_default_data_length_response(
		response, &ble_suggested_default_data_length);
		}

		if (HCI_LE_EXTENDED_ADVERTISING_SUPPORTED(features_ble.as_array)) {
		response = AWAIT_COMMAND(
		packet_factory->make_ble_read_maximum_advertising_data_length());
		packet_parser->parse_ble_read_maximum_advertising_data_length(
		response, &ble_maximum_advertising_data_length);

		response = AWAIT_COMMAND(
		packet_factory->make_ble_read_number_of_supported_advertising_sets());
		packet_parser->parse_ble_read_number_of_supported_advertising_sets(
		response, &ble_number_of_supported_advertising_sets);
		} else {
		/* If LE Excended Advertising is not supported, use the default value */
		ble_maximum_advertising_data_length = 31;
		}

		if (HCI_LE_PERIODIC_ADVERTISING_SUPPORTED(features_ble.as_array)) {
		response = AWAIT_COMMAND(
		packet_factory->make_ble_read_periodic_advertiser_list_size());

		packet_parser->parse_ble_read_size_of_advertiser_list(
		response, &ble_periodic_advertiser_list_size);
		}

		// Set the ble event mask next
		response =
		AWAIT_COMMAND(packet_factory->make_ble_set_event_mask(&BLE_EVENT_MASK));
		packet_parser->parse_generic_command_complete(response);

		if (HCI_LE_SET_HOST_FEATURE_SUPPORTED(supported_commands)) {
		response = AWAIT_COMMAND(packet_factory->make_ble_set_host_features(
		LL_FEATURE_BIT_ISO_HOST_SUPPORT, 0x01));
		packet_parser->parse_generic_command_complete(response);
		}
		}

		if (simple_pairing_supported) {
		response =
		AWAIT_COMMAND(packet_factory->make_set_event_mask(&CLASSIC_EVENT_MASK));
		packet_parser->parse_generic_command_complete(response);
		}

		// read local supported codecs
		if (HCI_READ_LOCAL_CODECS_SUPPORTED(supported_commands)) {
		response =
		AWAIT_COMMAND(packet_factory->make_read_local_supported_codecs());
		packet_parser->parse_read_local_supported_codecs_response(
		response, &number_of_local_supported_codecs, local_supported_codecs);
		}

		if (!HCI_READ_ENCR_KEY_SIZE_SUPPORTED(supported_commands)) {
		LOG(FATAL) << " Controller must support Read Encryption Key Size command";
		}

		readable = true;
		return future_new_immediate(FUTURE_SUCCESS);
		}

		static future_t* shut_down(void) {
		readable = false;
		return future_new_immediate(FUTURE_SUCCESS);
		}

		EXPORT_SYMBOL extern const module_t controller_module = {
		.name = CONTROLLER_MODULE,
		.init = NULL,
		.start_up = start_up,
		.shut_down = shut_down,
		.clean_up = NULL,
		.dependencies = {NULL}};

		// Interface functions

		const controller_t* controller_get_interface() {
		return bluetooth::shim::controller_get_interface();