tools/rootcanal/packets/link_layer_packets.pdl - LeafOS-Project/android_packages_modules_Bluetooth - Gitiles

 little_endian_packets

 custom_field Address : 48 "hci/"

 enum PacketType : 8 {
     UNKNOWN = 0x00,
     ACL = 0x01,
     SCO = 0x02,

     LE_CONNECTED_ISOCHRONOUS_PDU = 0x03,
     LE_BROADCAST_ISOCHRONOUS_PDU = 0x04,

     DISCONNECT = 0x05,
     INQUIRY = 0x06,
     INQUIRY_RESPONSE = 0x07,
     LE_LEGACY_ADVERTISING_PDU = 0x0B,
     LE_EXTENDED_ADVERTISING_PDU = 0x37,
     LE_PERIODIC_ADVERTISING_PDU = 0x40,
     LE_CONNECT = 0x0C,
     LE_CONNECT_COMPLETE = 0x0D,
     LE_SCAN = 0x0E,
     LE_SCAN_RESPONSE = 0x0F,
     PAGE = 0x10,
     PAGE_RESPONSE = 0x11,
     PAGE_REJECT = 0x12,
     READ_CLOCK_OFFSET = 0x13,
     READ_CLOCK_OFFSET_RESPONSE = 0x14,
     READ_REMOTE_SUPPORTED_FEATURES = 0x15,
     READ_REMOTE_SUPPORTED_FEATURES_RESPONSE = 0x16,
     READ_REMOTE_LMP_FEATURES = 0x17,
     READ_REMOTE_LMP_FEATURES_RESPONSE = 0x18,
     READ_REMOTE_EXTENDED_FEATURES = 0x19,
     READ_REMOTE_EXTENDED_FEATURES_RESPONSE = 0x1A,
     READ_REMOTE_VERSION_INFORMATION = 0x1B,
     READ_REMOTE_VERSION_INFORMATION_RESPONSE = 0x1C,
     REMOTE_NAME_REQUEST = 0x1D,
     REMOTE_NAME_REQUEST_RESPONSE = 0x1E,
     LE_ENCRYPT_CONNECTION = 0x20,
     LE_ENCRYPT_CONNECTION_RESPONSE = 0x21,
     LE_READ_REMOTE_FEATURES = 0x2C,
     LE_READ_REMOTE_FEATURES_RESPONSE = 0x2D,
     LE_CONNECTION_PARAMETER_REQUEST = 0x2E,
     LE_CONNECTION_PARAMETER_UPDATE = 0x2F,

     SCO_CONNECTION_REQUEST = 0x30,
     SCO_CONNECTION_RESPONSE = 0x31,
     SCO_DISCONNECT = 0x32,

     LMP = 0x34,
     LLCP = 0x41,

     PING_REQUEST = 0x35,
     PING_RESPONSE = 0x36,
     ROLE_SWITCH_REQUEST = 0x38,
     ROLE_SWITCH_RESPONSE = 0x39,

     LL_PHY_REQ = 0x50,
     LL_PHY_RSP = 0x51,
     LL_PHY_UPDATE_IND = 0x52,
 }

 packet LinkLayerPacket {
   type : PacketType,
   source_address : Address,
   destination_address : Address,
   _body_,
 }

 packet Acl : LinkLayerPacket (type = ACL) {
   packet_boundary_flag : 8,
   broadcast_flag : 8,
   data: 8[],
 }

 packet Sco : LinkLayerPacket (type = SCO) {
   _payload_,
 }

 packet LeConnectedIsochronousPdu : LinkLayerPacket (type = LE_CONNECTED_ISOCHRONOUS_PDU) {
   cig_id: 8,
   cis_id: 8,
   sequence_number: 16,
   data: 8[],
 }

 packet LeBroadcastIsochronousPdu : LinkLayerPacket (type = LE_BROADCAST_ISOCHRONOUS_PDU) {
 }

 packet Disconnect : LinkLayerPacket (type = DISCONNECT) {
   reason : 8,
 }

 enum InquiryState : 8 {
   STANDBY = 0x00,
   INQUIRY = 0x01,
 }

 enum InquiryType : 8 {
   STANDARD = 0x00,
   RSSI = 0x01,
   EXTENDED = 0x02,
 }

 packet Inquiry : LinkLayerPacket (type = INQUIRY) {
   inquiry_type : InquiryType,
   lap : 8, // The IAC is derived from the LAP
 }

 packet BasicInquiryResponse : LinkLayerPacket(type = INQUIRY_RESPONSE) {
   inquiry_type : InquiryType,
   page_scan_repetition_mode : 8,
   class_of_device : 24,
   clock_offset : 15,
   _reserved_ : 1,
   _body_,
 }

 packet InquiryResponse : BasicInquiryResponse (inquiry_type = STANDARD) {
 }

 packet InquiryResponseWithRssi : BasicInquiryResponse (inquiry_type = RSSI)  {
   rssi: 8,
 }

 packet ExtendedInquiryResponse : BasicInquiryResponse (inquiry_type = EXTENDED)  {
   rssi: 8,
   extended_inquiry_response : 8[240],
 }

 enum AddressType : 8 {
   PUBLIC = 0,
   RANDOM = 1,
   PUBLIC_IDENTITY = 2,
   RANDOM_IDENTITY = 3,
 }

 // Legacy advertising PDU types.
 // Vol 6, Part B § 2.3.1 Advertising PDUs.
 enum LegacyAdvertisingType : 8 {
   ADV_IND = 0,          // Connectable and scannable
   ADV_DIRECT_IND = 1,   // Connectable directed, high duty cycle
   ADV_SCAN_IND = 2,     // Scannable undirected
   ADV_NONCONN_IND = 3,  // Non connectable undirected
 }

 packet LeLegacyAdvertisingPdu : LinkLayerPacket (type = LE_LEGACY_ADVERTISING_PDU) {
   advertising_address_type: AddressType,
   target_address_type: AddressType,
   advertising_type: LegacyAdvertisingType,
   advertising_data: 8[],
 }

 enum PrimaryPhyType : 8 {
   LE_1M = 0x01,
   LE_CODED = 0x03,
 }

 enum SecondaryPhyType : 8 {
   NO_PACKETS = 0x00,
   LE_1M = 0x01,
   LE_2M = 0x02,
   LE_CODED = 0x03,
 }

 packet LeExtendedAdvertisingPdu : LinkLayerPacket (type = LE_EXTENDED_ADVERTISING_PDU) {
   advertising_address_type: AddressType,
   target_address_type: AddressType,
   connectable: 1,
   scannable: 1,
   directed: 1,
   _reserved_: 5,
   sid: 8, // 0xff when not provided
   tx_power: 8,
   primary_phy: PrimaryPhyType,
   secondary_phy: SecondaryPhyType,
   periodic_advertising_interval: 16,
   advertising_data: 8[],
 }

 packet LePeriodicAdvertisingPdu : LinkLayerPacket (type = LE_PERIODIC_ADVERTISING_PDU) {
   advertising_address_type: AddressType,
   sid: 8, // 0xff when not provided
   tx_power: 8,
   advertising_interval: 16,
   advertising_data: 8[],
 }

 packet LeConnect : LinkLayerPacket (type = LE_CONNECT) {
   initiating_address_type : AddressType,
   advertising_address_type : AddressType,
   conn_interval : 16,
   conn_peripheral_latency : 16,
   conn_supervision_timeout : 16,
 }

 packet LeConnectComplete : LinkLayerPacket (type = LE_CONNECT_COMPLETE) {
   initiating_address_type : AddressType,
   advertising_address_type : AddressType,
   conn_interval : 16,
   conn_peripheral_latency : 16,
   conn_supervision_timeout : 16,
 }

 packet LeScan : LinkLayerPacket (type = LE_SCAN) {
   scanning_address_type : AddressType,
   advertising_address_type : AddressType,
 }

 packet LeScanResponse : LinkLayerPacket (type = LE_SCAN_RESPONSE) {
   advertising_address_type : AddressType,
   scan_response_data : 8[],
 }

 packet Page : LinkLayerPacket (type = PAGE) {
   class_of_device : 24,
   allow_role_switch : 8,
 }

 packet PageResponse : LinkLayerPacket (type = PAGE_RESPONSE) {
   try_role_switch : 8,
 }

 packet PageReject : LinkLayerPacket (type = PAGE_REJECT) {
   reason : 8,
 }

 packet ReadClockOffset : LinkLayerPacket (type = READ_CLOCK_OFFSET) {
 }

 packet ReadClockOffsetResponse : LinkLayerPacket (type = READ_CLOCK_OFFSET_RESPONSE) {
   offset : 16,
 }

 packet ReadRemoteSupportedFeatures : LinkLayerPacket (type = READ_REMOTE_SUPPORTED_FEATURES) {
 }

 packet ReadRemoteSupportedFeaturesResponse : LinkLayerPacket (type = READ_REMOTE_SUPPORTED_FEATURES_RESPONSE) {
   features : 64,
 }

 packet ReadRemoteLmpFeatures : LinkLayerPacket (type = READ_REMOTE_LMP_FEATURES) {
 }

 packet ReadRemoteLmpFeaturesResponse : LinkLayerPacket (type = READ_REMOTE_LMP_FEATURES_RESPONSE) {
   features : 64,
 }

 packet ReadRemoteExtendedFeatures : LinkLayerPacket (type = READ_REMOTE_EXTENDED_FEATURES) {
   page_number : 8,
 }

 packet ReadRemoteExtendedFeaturesResponse : LinkLayerPacket (type = READ_REMOTE_EXTENDED_FEATURES_RESPONSE) {
   status : 8,
   page_number : 8,
   max_page_number : 8,
   features : 64,
 }

 packet ReadRemoteVersionInformation : LinkLayerPacket (type = READ_REMOTE_VERSION_INFORMATION) {
 }

 packet ReadRemoteVersionInformationResponse : LinkLayerPacket (type = READ_REMOTE_VERSION_INFORMATION_RESPONSE) {
   lmp_version : 8,
   lmp_subversion : 8,
   manufacturer_name : 16,
 }

 packet RemoteNameRequest : LinkLayerPacket (type = REMOTE_NAME_REQUEST) {
 }

 packet RemoteNameRequestResponse : LinkLayerPacket (type = REMOTE_NAME_REQUEST_RESPONSE) {
   name : 8[248],
 }

 packet LeEncryptConnection : LinkLayerPacket (type = LE_ENCRYPT_CONNECTION) {
   rand : 8[8],
   ediv : 16,
   ltk : 8[16],
 }

 packet LeEncryptConnectionResponse : LinkLayerPacket (type = LE_ENCRYPT_CONNECTION_RESPONSE) {
   rand : 8[8],
   ediv : 16,
   ltk : 8[16],
 }

 enum PasskeyNotificationType : 8 {
   ENTRY_STARTED = 0x00,
   DIGIT_ENTERED = 0x01,
   DIGIT_ERASED = 0x02,
   CLEARED = 0x03,
   ENTRY_COMPLETED = 0x04,
 }

 packet LeReadRemoteFeatures : LinkLayerPacket (type = LE_READ_REMOTE_FEATURES) {
 }

 packet LeReadRemoteFeaturesResponse : LinkLayerPacket (type = LE_READ_REMOTE_FEATURES_RESPONSE) {
   features : 64,
   status : 8,
 }

 packet LeConnectionParameterRequest : LinkLayerPacket (type = LE_CONNECTION_PARAMETER_REQUEST) {
   interval_min : 16,
   interval_max : 16,
   latency : 16,
   timeout : 16,
 }

 packet LeConnectionParameterUpdate : LinkLayerPacket (type = LE_CONNECTION_PARAMETER_UPDATE) {
   status : 8,
   interval : 16,
   latency : 16,
   timeout : 16,
 }

 packet ScoConnectionRequest : LinkLayerPacket (type = SCO_CONNECTION_REQUEST) {
   transmit_bandwidth : 32,
   receive_bandwidth : 32,
   max_latency : 16,
   voice_setting : 10,
   _reserved_ : 6,
   retransmission_effort : 8,
   packet_type : 16,
   class_of_device : 24,
 }

 packet ScoConnectionResponse : LinkLayerPacket (type = SCO_CONNECTION_RESPONSE) {
   status : 8,
   transmission_interval : 8,
   retransmission_window : 8,
   rx_packet_length : 16,
   tx_packet_length : 16,
   air_mode : 8,
   extended : 1,
   _reserved_ : 7,
 }

 packet ScoDisconnect : LinkLayerPacket (type = SCO_DISCONNECT) {
   reason : 8,
 }

 packet Lmp : LinkLayerPacket (type = LMP) {
   _payload_,
 }

 packet Llcp : LinkLayerPacket (type = LLCP) {
   _payload_,
 }

 packet PingRequest : LinkLayerPacket (type = PING_REQUEST) {
 }

 packet PingResponse : LinkLayerPacket (type = PING_RESPONSE) {
 }

 packet RoleSwitchRequest : LinkLayerPacket (type = ROLE_SWITCH_REQUEST) {
 }

 packet RoleSwitchResponse : LinkLayerPacket (type = ROLE_SWITCH_RESPONSE) {
   status: 8,
 }

 packet LlPhyReq : LinkLayerPacket (type = LL_PHY_REQ) {
   tx_phys: 8,
   rx_phys: 8,
 }

 packet LlPhyRsp : LinkLayerPacket (type = LL_PHY_RSP) {
   tx_phys: 8,
   rx_phys: 8,
 }

 packet LlPhyUpdateInd : LinkLayerPacket (type = LL_PHY_UPDATE_IND) {
   phy_c_to_p: 8,
   phy_p_to_c: 8,
   instant: 16,
 }
	little_endian_packets

	custom_field Address : 48 "hci/"

	enum PacketType : 8 {
	UNKNOWN = 0x00,
	ACL = 0x01,
	SCO = 0x02,

	LE_CONNECTED_ISOCHRONOUS_PDU = 0x03,
	LE_BROADCAST_ISOCHRONOUS_PDU = 0x04,

	DISCONNECT = 0x05,
	INQUIRY = 0x06,
	INQUIRY_RESPONSE = 0x07,
	LE_LEGACY_ADVERTISING_PDU = 0x0B,
	LE_EXTENDED_ADVERTISING_PDU = 0x37,
	LE_PERIODIC_ADVERTISING_PDU = 0x40,
	LE_CONNECT = 0x0C,
	LE_CONNECT_COMPLETE = 0x0D,
	LE_SCAN = 0x0E,
	LE_SCAN_RESPONSE = 0x0F,
	PAGE = 0x10,
	PAGE_RESPONSE = 0x11,
	PAGE_REJECT = 0x12,
	READ_CLOCK_OFFSET = 0x13,
	READ_CLOCK_OFFSET_RESPONSE = 0x14,
	READ_REMOTE_SUPPORTED_FEATURES = 0x15,
	READ_REMOTE_SUPPORTED_FEATURES_RESPONSE = 0x16,
	READ_REMOTE_LMP_FEATURES = 0x17,
	READ_REMOTE_LMP_FEATURES_RESPONSE = 0x18,
	READ_REMOTE_EXTENDED_FEATURES = 0x19,
	READ_REMOTE_EXTENDED_FEATURES_RESPONSE = 0x1A,
	READ_REMOTE_VERSION_INFORMATION = 0x1B,
	READ_REMOTE_VERSION_INFORMATION_RESPONSE = 0x1C,
	REMOTE_NAME_REQUEST = 0x1D,
	REMOTE_NAME_REQUEST_RESPONSE = 0x1E,
	LE_ENCRYPT_CONNECTION = 0x20,
	LE_ENCRYPT_CONNECTION_RESPONSE = 0x21,
	LE_READ_REMOTE_FEATURES = 0x2C,
	LE_READ_REMOTE_FEATURES_RESPONSE = 0x2D,
	LE_CONNECTION_PARAMETER_REQUEST = 0x2E,
	LE_CONNECTION_PARAMETER_UPDATE = 0x2F,

	SCO_CONNECTION_REQUEST = 0x30,
	SCO_CONNECTION_RESPONSE = 0x31,
	SCO_DISCONNECT = 0x32,

	LMP = 0x34,
	LLCP = 0x41,

	PING_REQUEST = 0x35,
	PING_RESPONSE = 0x36,
	ROLE_SWITCH_REQUEST = 0x38,
	ROLE_SWITCH_RESPONSE = 0x39,

	LL_PHY_REQ = 0x50,
	LL_PHY_RSP = 0x51,
	LL_PHY_UPDATE_IND = 0x52,
	}

	packet LinkLayerPacket {
	type : PacketType,
	source_address : Address,
	destination_address : Address,
	_body_,
	}

	packet Acl : LinkLayerPacket (type = ACL) {
	packet_boundary_flag : 8,
	broadcast_flag : 8,
	data: 8[],
	}

	packet Sco : LinkLayerPacket (type = SCO) {
	_payload_,
	}

	packet LeConnectedIsochronousPdu : LinkLayerPacket (type = LE_CONNECTED_ISOCHRONOUS_PDU) {
	cig_id: 8,
	cis_id: 8,
	sequence_number: 16,
	data: 8[],
	}

	packet LeBroadcastIsochronousPdu : LinkLayerPacket (type = LE_BROADCAST_ISOCHRONOUS_PDU) {
	}

	packet Disconnect : LinkLayerPacket (type = DISCONNECT) {
	reason : 8,
	}

	enum InquiryState : 8 {
	STANDBY = 0x00,
	INQUIRY = 0x01,
	}

	enum InquiryType : 8 {
	STANDARD = 0x00,
	RSSI = 0x01,
	EXTENDED = 0x02,
	}

	packet Inquiry : LinkLayerPacket (type = INQUIRY) {
	inquiry_type : InquiryType,
	lap : 8, // The IAC is derived from the LAP
	}

	packet BasicInquiryResponse : LinkLayerPacket(type = INQUIRY_RESPONSE) {
	inquiry_type : InquiryType,
	page_scan_repetition_mode : 8,
	class_of_device : 24,
	clock_offset : 15,
	_reserved_ : 1,
	_body_,
	}

	packet InquiryResponse : BasicInquiryResponse (inquiry_type = STANDARD) {
	}

	packet InquiryResponseWithRssi : BasicInquiryResponse (inquiry_type = RSSI) {
	rssi: 8,
	}

	packet ExtendedInquiryResponse : BasicInquiryResponse (inquiry_type = EXTENDED) {
	rssi: 8,
	extended_inquiry_response : 8[240],
	}

	enum AddressType : 8 {
	PUBLIC = 0,
	RANDOM = 1,
	PUBLIC_IDENTITY = 2,
	RANDOM_IDENTITY = 3,
	}

	// Legacy advertising PDU types.
	// Vol 6, Part B § 2.3.1 Advertising PDUs.
	enum LegacyAdvertisingType : 8 {
	ADV_IND = 0, // Connectable and scannable
	ADV_DIRECT_IND = 1, // Connectable directed, high duty cycle
	ADV_SCAN_IND = 2, // Scannable undirected
	ADV_NONCONN_IND = 3, // Non connectable undirected
	}

	packet LeLegacyAdvertisingPdu : LinkLayerPacket (type = LE_LEGACY_ADVERTISING_PDU) {
	advertising_address_type: AddressType,
	target_address_type: AddressType,
	advertising_type: LegacyAdvertisingType,
	advertising_data: 8[],
	}

	enum PrimaryPhyType : 8 {
	LE_1M = 0x01,
	LE_CODED = 0x03,
	}

	enum SecondaryPhyType : 8 {
	NO_PACKETS = 0x00,
	LE_1M = 0x01,
	LE_2M = 0x02,
	LE_CODED = 0x03,
	}

	packet LeExtendedAdvertisingPdu : LinkLayerPacket (type = LE_EXTENDED_ADVERTISING_PDU) {
	advertising_address_type: AddressType,
	target_address_type: AddressType,
	connectable: 1,
	scannable: 1,
	directed: 1,
	_reserved_: 5,
	sid: 8, // 0xff when not provided
	tx_power: 8,
	primary_phy: PrimaryPhyType,
	secondary_phy: SecondaryPhyType,
	periodic_advertising_interval: 16,
	advertising_data: 8[],
	}

	packet LePeriodicAdvertisingPdu : LinkLayerPacket (type = LE_PERIODIC_ADVERTISING_PDU) {
	advertising_address_type: AddressType,
	sid: 8, // 0xff when not provided
	tx_power: 8,
	advertising_interval: 16,
	advertising_data: 8[],
	}

	packet LeConnect : LinkLayerPacket (type = LE_CONNECT) {
	initiating_address_type : AddressType,
	advertising_address_type : AddressType,
	conn_interval : 16,
	conn_peripheral_latency : 16,
	conn_supervision_timeout : 16,
	}

	packet LeConnectComplete : LinkLayerPacket (type = LE_CONNECT_COMPLETE) {
	initiating_address_type : AddressType,
	advertising_address_type : AddressType,
	conn_interval : 16,
	conn_peripheral_latency : 16,
	conn_supervision_timeout : 16,
	}

	packet LeScan : LinkLayerPacket (type = LE_SCAN) {
	scanning_address_type : AddressType,
	advertising_address_type : AddressType,
	}

	packet LeScanResponse : LinkLayerPacket (type = LE_SCAN_RESPONSE) {
	advertising_address_type : AddressType,
	scan_response_data : 8[],
	}

	packet Page : LinkLayerPacket (type = PAGE) {
	class_of_device : 24,
	allow_role_switch : 8,
	}

	packet PageResponse : LinkLayerPacket (type = PAGE_RESPONSE) {
	try_role_switch : 8,
	}

	packet PageReject : LinkLayerPacket (type = PAGE_REJECT) {
	reason : 8,
	}

	packet ReadClockOffset : LinkLayerPacket (type = READ_CLOCK_OFFSET) {
	}

	packet ReadClockOffsetResponse : LinkLayerPacket (type = READ_CLOCK_OFFSET_RESPONSE) {
	offset : 16,
	}

	packet ReadRemoteSupportedFeatures : LinkLayerPacket (type = READ_REMOTE_SUPPORTED_FEATURES) {
	}

	packet ReadRemoteSupportedFeaturesResponse : LinkLayerPacket (type = READ_REMOTE_SUPPORTED_FEATURES_RESPONSE) {
	features : 64,
	}

	packet ReadRemoteLmpFeatures : LinkLayerPacket (type = READ_REMOTE_LMP_FEATURES) {
	}

	packet ReadRemoteLmpFeaturesResponse : LinkLayerPacket (type = READ_REMOTE_LMP_FEATURES_RESPONSE) {
	features : 64,
	}

	packet ReadRemoteExtendedFeatures : LinkLayerPacket (type = READ_REMOTE_EXTENDED_FEATURES) {
	page_number : 8,
	}

	packet ReadRemoteExtendedFeaturesResponse : LinkLayerPacket (type = READ_REMOTE_EXTENDED_FEATURES_RESPONSE) {
	status : 8,
	page_number : 8,
	max_page_number : 8,
	features : 64,
	}

	packet ReadRemoteVersionInformation : LinkLayerPacket (type = READ_REMOTE_VERSION_INFORMATION) {
	}

	packet ReadRemoteVersionInformationResponse : LinkLayerPacket (type = READ_REMOTE_VERSION_INFORMATION_RESPONSE) {
	lmp_version : 8,
	lmp_subversion : 8,
	manufacturer_name : 16,
	}

	packet RemoteNameRequest : LinkLayerPacket (type = REMOTE_NAME_REQUEST) {
	}

	packet RemoteNameRequestResponse : LinkLayerPacket (type = REMOTE_NAME_REQUEST_RESPONSE) {
	name : 8[248],
	}

	packet LeEncryptConnection : LinkLayerPacket (type = LE_ENCRYPT_CONNECTION) {
	rand : 8[8],
	ediv : 16,
	ltk : 8[16],
	}

	packet LeEncryptConnectionResponse : LinkLayerPacket (type = LE_ENCRYPT_CONNECTION_RESPONSE) {
	rand : 8[8],
	ediv : 16,
	ltk : 8[16],
	}

	enum PasskeyNotificationType : 8 {
	ENTRY_STARTED = 0x00,
	DIGIT_ENTERED = 0x01,
	DIGIT_ERASED = 0x02,
	CLEARED = 0x03,
	ENTRY_COMPLETED = 0x04,
	}

	packet LeReadRemoteFeatures : LinkLayerPacket (type = LE_READ_REMOTE_FEATURES) {
	}

	packet LeReadRemoteFeaturesResponse : LinkLayerPacket (type = LE_READ_REMOTE_FEATURES_RESPONSE) {
	features : 64,
	status : 8,
	}

	packet LeConnectionParameterRequest : LinkLayerPacket (type = LE_CONNECTION_PARAMETER_REQUEST) {
	interval_min : 16,
	interval_max : 16,
	latency : 16,
	timeout : 16,
	}

	packet LeConnectionParameterUpdate : LinkLayerPacket (type = LE_CONNECTION_PARAMETER_UPDATE) {
	status : 8,
	interval : 16,
	latency : 16,
	timeout : 16,
	}

	packet ScoConnectionRequest : LinkLayerPacket (type = SCO_CONNECTION_REQUEST) {
	transmit_bandwidth : 32,
	receive_bandwidth : 32,
	max_latency : 16,
	voice_setting : 10,
	_reserved_ : 6,
	retransmission_effort : 8,
	packet_type : 16,
	class_of_device : 24,
	}

	packet ScoConnectionResponse : LinkLayerPacket (type = SCO_CONNECTION_RESPONSE) {
	status : 8,
	transmission_interval : 8,
	retransmission_window : 8,
	rx_packet_length : 16,
	tx_packet_length : 16,
	air_mode : 8,
	extended : 1,
	_reserved_ : 7,
	}

	packet ScoDisconnect : LinkLayerPacket (type = SCO_DISCONNECT) {
	reason : 8,
	}

	packet Lmp : LinkLayerPacket (type = LMP) {
	_payload_,
	}

	packet Llcp : LinkLayerPacket (type = LLCP) {
	_payload_,
	}

	packet PingRequest : LinkLayerPacket (type = PING_REQUEST) {
	}

	packet PingResponse : LinkLayerPacket (type = PING_RESPONSE) {
	}

	packet RoleSwitchRequest : LinkLayerPacket (type = ROLE_SWITCH_REQUEST) {
	}

	packet RoleSwitchResponse : LinkLayerPacket (type = ROLE_SWITCH_RESPONSE) {
	status: 8,
	}

	packet LlPhyReq : LinkLayerPacket (type = LL_PHY_REQ) {
	tx_phys: 8,
	rx_phys: 8,
	}

	packet LlPhyRsp : LinkLayerPacket (type = LL_PHY_RSP) {
	tx_phys: 8,
	rx_phys: 8,
	}

	packet LlPhyUpdateInd : LinkLayerPacket (type = LL_PHY_UPDATE_IND) {
	phy_c_to_p: 8,
	phy_p_to_c: 8,
	instant: 16,
	}