Size of mandatory fields of ATT requests

Macros
#define	ATT_AUTHEN_SIG_LEN   12
	Length of Authentication Signature field.
#define	ATT_ERROR_RSP_SIZE   4
	Length of Error Response: Command opcode in error (1) + Attribute handle in error (2) + Status code (1)
#define	ATT_EXCHANGE_MTU_REQ_SIZE   2
	Length of Exchange MTU Request: client receive MTU size (2)
#define	ATT_EXCHANGE_MTU_RSP_SIZE   2
	Length of Exchange MTU Response: server receive MTU size (2)
#define	ATT_EXECUTE_WRITE_REQ_SIZE   1
	Length of Execute Write Request: Flags (1)
#define	ATT_FIND_BY_TYPE_VALUE_REQ_FIXED_SIZE   6
	Length of Find By Type Value Request's fixed fields: Start handle (2) + End handle (2) + Type (2)
#define	ATT_FIND_BY_TYPE_VALUE_REQ_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_FIND_BY_TYPE_VALUE_REQ_FIXED_SIZE )
	Length of Find By Type Value Request's Header.
#define	ATT_FIND_INFO_REQ_FIXED_SIZE   4
	Length of Find Information Request's fixed fields: First handle number (2) + Last handle number (2)
#define	ATT_FIND_INFO_RSP_FIXED_SIZE   1
	Length of Find Information Response's fixed field: Format (1)
#define	ATT_FIND_INFO_RSP_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_FIND_INFO_RSP_FIXED_SIZE )
	Length of Find Information Response's Header.
#define	ATT_HANDLE_VALUE_IND_FIXED_SIZE   2
	Length of Handle Value Indication's fixed size: Attribute Handle (2)
#define	ATT_HANDLE_VALUE_IND_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_HANDLE_VALUE_IND_FIXED_SIZE )
	Size of Indication header.
#define	ATT_OPCODE_SIZE   1
	Length of opcode field: Opcode (1)
#define	ATT_PREPARE_WRITE_REQ_FIXED_SIZE   4
	Length of Prepare Write Request's fixed fields: Attribute Handle (2) + Value Offset (2)
#define	ATT_PREPARE_WRITE_REQ_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_PREPARE_WRITE_REQ_FIXED_SIZE )
	Size of Prepare Write Request Header.
#define	ATT_PREPARE_WRITE_RSP_FIXED_SIZE   4
	Length of Prepare Write Response's fixed size: Attribute Handle (2) + Value Offset (2)
#define	ATT_READ_BLOB_REQ_SIZE   4
	Length of Read Blob Request: Attribute Handle (2) + Value Offset (2)
#define	ATT_READ_BY_GRP_TYPE_RSP_FIXED_SIZE   1
	Length of Read By Type Response's fixed fields: Length (1)
#define	ATT_READ_BY_GRP_TYPE_RSP_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_READ_BY_GRP_TYPE_RSP_FIXED_SIZE )
	Size of Read by Group Type Response Header.
#define	ATT_READ_BY_TYPE_REQ_FIXED_SIZE   4
	Length of Read By Type Request's fixed fields: First handle number (2) + Last handle number (2)
#define	ATT_READ_BY_TYPE_REQ_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_READ_BY_TYPE_REQ_FIXED_SIZE )
	Size of Read by Type Request Header.
#define	ATT_READ_BY_TYPE_RSP_FIXED_SIZE   1
	Length of Read By Type Response's fixed fields: Length (1)
#define	ATT_READ_BY_TYPE_RSP_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_READ_BY_TYPE_RSP_FIXED_SIZE )
	Size of Read by Type Response Header.
#define	ATT_READ_REQ_SIZE   2
	Length of Read Request: Attribute Handle (2)
#define	ATT_WRITE_REQ_FIXED_SIZE   2
	Length of Write Request's fixed field: Attribute Handle (2)
#define	ATT_WRITE_REQ_FIXED_SIZE   2
	Length of Write Request's fixed field: Attribute Handle (2)
#define	ATT_WRITE_REQ_HDR_SIZE   ( ATT_OPCODE_SIZE + ATT_WRITE_REQ_FIXED_SIZE )
	Size of Write Request Header.

Detailed Description