/* SPDX-License-Identifier: LGPL-2.1-or-later */ /* * * BlueZ - Bluetooth protocol stack for Linux * * Copyright (C) 2014 Google Inc. * Copyright 2023 NXP * * */ #include #ifndef __packed #define __packed __attribute__((packed)) #endif #define BT_ATT_CID 4 #define BT_ATT_PSM 31 #define BT_ATT_EATT_PSM 0x27 #define BT_ATT_SECURITY_AUTO 0 #define BT_ATT_SECURITY_LOW 1 #define BT_ATT_SECURITY_MEDIUM 2 #define BT_ATT_SECURITY_HIGH 3 #define BT_ATT_SECURITY_FIPS 4 #define BT_ATT_DEFAULT_LE_MTU 23 #define BT_ATT_MAX_LE_MTU 517 #define BT_ATT_MAX_VALUE_LEN 512 #define BT_ATT_BREDR 0x00 #define BT_ATT_LE 0x01 #define BT_ATT_EATT 0x02 #define BT_ATT_LOCAL 0xff /* ATT protocol opcodes */ #define BT_ATT_OP_ERROR_RSP 0x01 #define BT_ATT_OP_MTU_REQ 0x02 #define BT_ATT_OP_MTU_RSP 0x03 #define BT_ATT_OP_FIND_INFO_REQ 0x04 #define BT_ATT_OP_FIND_INFO_RSP 0x05 #define BT_ATT_OP_FIND_BY_TYPE_REQ 0x06 #define BT_ATT_OP_FIND_BY_TYPE_RSP 0x07 #define BT_ATT_OP_READ_BY_TYPE_REQ 0x08 #define BT_ATT_OP_READ_BY_TYPE_RSP 0x09 #define BT_ATT_OP_READ_REQ 0x0a #define BT_ATT_OP_READ_RSP 0x0b #define BT_ATT_OP_READ_BLOB_REQ 0x0c #define BT_ATT_OP_READ_BLOB_RSP 0x0d #define BT_ATT_OP_READ_MULT_REQ 0x0e #define BT_ATT_OP_READ_MULT_RSP 0x0f #define BT_ATT_OP_READ_BY_GRP_TYPE_REQ 0x10 #define BT_ATT_OP_READ_BY_GRP_TYPE_RSP 0x11 #define BT_ATT_OP_WRITE_REQ 0x12 #define BT_ATT_OP_WRITE_RSP 0x13 #define BT_ATT_OP_WRITE_CMD 0x52 #define BT_ATT_OP_SIGNED_WRITE_CMD 0xD2 #define BT_ATT_OP_PREP_WRITE_REQ 0x16 #define BT_ATT_OP_PREP_WRITE_RSP 0x17 #define BT_ATT_OP_EXEC_WRITE_REQ 0x18 #define BT_ATT_OP_EXEC_WRITE_RSP 0x19 #define BT_ATT_OP_HANDLE_NFY 0x1B #define BT_ATT_OP_HANDLE_IND 0x1D #define BT_ATT_OP_HANDLE_CONF 0x1E #define BT_ATT_OP_READ_MULT_VL_REQ 0x20 #define BT_ATT_OP_READ_MULT_VL_RSP 0x21 #define BT_ATT_OP_HANDLE_NFY_MULT 0x23 /* Packed struct definitions for ATT protocol PDUs */ /* TODO: Complete these definitions for all opcodes */ struct bt_att_pdu_error_rsp { uint8_t opcode; uint16_t handle; uint8_t ecode; } __packed; /* Special opcode to receive all requests (legacy servers) */ #define BT_ATT_ALL_REQUESTS 0x00 /* Error codes for Error response PDU */ #define BT_ATT_ERROR_INVALID_HANDLE 0x01 #define BT_ATT_ERROR_READ_NOT_PERMITTED 0x02 #define BT_ATT_ERROR_WRITE_NOT_PERMITTED 0x03 #define BT_ATT_ERROR_INVALID_PDU 0x04 #define BT_ATT_ERROR_AUTHENTICATION 0x05 #define BT_ATT_ERROR_REQUEST_NOT_SUPPORTED 0x06 #define BT_ATT_ERROR_INVALID_OFFSET 0x07 #define BT_ATT_ERROR_AUTHORIZATION 0x08 #define BT_ATT_ERROR_PREPARE_QUEUE_FULL 0x09 #define BT_ATT_ERROR_ATTRIBUTE_NOT_FOUND 0x0A #define BT_ATT_ERROR_ATTRIBUTE_NOT_LONG 0x0B #define BT_ATT_ERROR_INSUFFICIENT_ENCRYPTION_KEY_SIZE 0x0C #define BT_ATT_ERROR_INVALID_ATTRIBUTE_VALUE_LEN 0x0D #define BT_ATT_ERROR_UNLIKELY 0x0E #define BT_ATT_ERROR_INSUFFICIENT_ENCRYPTION 0x0F #define BT_ATT_ERROR_UNSUPPORTED_GROUP_TYPE 0x10 #define BT_ATT_ERROR_INSUFFICIENT_RESOURCES 0x11 #define BT_ATT_ERROR_DB_OUT_OF_SYNC 0x12 #define BT_ATT_ERROR_VALUE_NOT_ALLOWED 0x13 /* * Common Profile and Service Error Code descriptions (see Supplement to the * Bluetooth Core Specification, sections 1.2 and 2). The error codes within * 0xE0-0xFB are reserved for future use. The remaining 4 are defined as the * following: */ #define BT_ERROR_WRITE_REQUEST_REJECTED 0xfc #define BT_ERROR_CCC_IMPROPERLY_CONFIGURED 0xfd #define BT_ERROR_ALREADY_IN_PROGRESS 0xfe #define BT_ERROR_OUT_OF_RANGE 0xff /* * ATT attribute permission bitfield values. Permissions are grouped as * "Access", "Encryption", "Authentication", and "Authorization". A bitmask of * permissions is a byte that encodes a combination of these. */ #define BT_ATT_PERM_READ 0x01 #define BT_ATT_PERM_WRITE 0x02 #define BT_ATT_PERM_READ_ENCRYPT 0x04 #define BT_ATT_PERM_WRITE_ENCRYPT 0x08 #define BT_ATT_PERM_ENCRYPT (BT_ATT_PERM_READ_ENCRYPT | \ BT_ATT_PERM_WRITE_ENCRYPT) #define BT_ATT_PERM_READ_AUTHEN 0x10 #define BT_ATT_PERM_WRITE_AUTHEN 0x20 #define BT_ATT_PERM_AUTHEN (BT_ATT_PERM_READ_AUTHEN | \ BT_ATT_PERM_WRITE_AUTHEN) #define BT_ATT_PERM_AUTHOR 0x40 #define BT_ATT_PERM_NONE 0x80 #define BT_ATT_PERM_READ_SECURE 0x0100 #define BT_ATT_PERM_WRITE_SECURE 0x0200 #define BT_ATT_PERM_SECURE (BT_ATT_PERM_READ_SECURE | \ BT_ATT_PERM_WRITE_SECURE) #define BT_ATT_PERM_READ_MASK (BT_ATT_PERM_READ | \ BT_ATT_PERM_READ_AUTHEN | \ BT_ATT_PERM_READ_ENCRYPT | \ BT_ATT_PERM_READ_SECURE) #define BT_ATT_PERM_WRITE_MASK (BT_ATT_PERM_WRITE | \ BT_ATT_PERM_WRITE_AUTHEN | \ BT_ATT_PERM_WRITE_ENCRYPT | \ BT_ATT_PERM_WRITE_SECURE) /* GATT Characteristic Properties Bitfield values */ #define BT_GATT_CHRC_PROP_BROADCAST 0x01 #define BT_GATT_CHRC_PROP_READ 0x02 #define BT_GATT_CHRC_PROP_WRITE_WITHOUT_RESP 0x04 #define BT_GATT_CHRC_PROP_WRITE 0x08 #define BT_GATT_CHRC_PROP_NOTIFY 0x10 #define BT_GATT_CHRC_PROP_INDICATE 0x20 #define BT_GATT_CHRC_PROP_AUTH 0x40 #define BT_GATT_CHRC_PROP_EXT_PROP 0x80 /* GATT Characteristic Extended Properties Bitfield values */ #define BT_GATT_CHRC_EXT_PROP_RELIABLE_WRITE 0x01 #define BT_GATT_CHRC_EXT_PROP_WRITABLE_AUX 0x02 /* GATT Characteristic Client Features Bitfield values */ #define BT_GATT_CHRC_CLI_FEAT_ROBUST_CACHING 0x01 #define BT_GATT_CHRC_CLI_FEAT_EATT 0x02 #define BT_GATT_CHRC_CLI_FEAT_NFY_MULTI 0x04 /* GATT Characteristic Server Features Bitfield values */ #define BT_GATT_CHRC_SERVER_FEAT_EATT 0x01