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Diffstat (limited to 'bluez/att-types.h')
| -rw-r--r-- | bluez/att-types.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/bluez/att-types.h b/bluez/att-types.h new file mode 100644 index 0000000..aa7f0da --- /dev/null +++ b/bluez/att-types.h @@ -0,0 +1,118 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2014 Google Inc. + * + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#include <stdint.h> + +#ifndef __packed +#define __packed __attribute__((packed)) +#endif + +#define BT_ATT_DEFAULT_LE_MTU 23 +#define BT_ATT_MAX_LE_MTU 517 +#define BT_ATT_MAX_VALUE_LEN 512 + +/* 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_VAL_REQ 0x06 +#define BT_ATT_OP_FIND_BY_TYPE_VAL_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_VAL_NOT 0x1B +#define BT_ATT_OP_HANDLE_VAL_IND 0x1D +#define BT_ATT_OP_HANDLE_VAL_CONF 0x1E + +/* 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 + +/* + * 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_ENCRYPT 0x04 +#define BT_ATT_PERM_AUTHEN 0x08 +#define BT_ATT_PERM_AUTHOR 0x10 +#define BT_ATT_PERM_NONE 0x20 + +/* 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 |