/** @file
 *  @brief Attribute Protocol handling.
 */

/*
 * Copyright (c) 2016 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_BLUETOOTH_ATT_H_
#define ZEPHYR_INCLUDE_BLUETOOTH_ATT_H_

#include <sys/slist.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Error codes for Error response PDU */
#define BT_ATT_ERR_SUCCESS			0x00
#define BT_ATT_ERR_INVALID_HANDLE		0x01
#define BT_ATT_ERR_READ_NOT_PERMITTED		0x02
#define BT_ATT_ERR_WRITE_NOT_PERMITTED		0x03
#define BT_ATT_ERR_INVALID_PDU			0x04
#define BT_ATT_ERR_AUTHENTICATION		0x05
#define BT_ATT_ERR_NOT_SUPPORTED		0x06
#define BT_ATT_ERR_INVALID_OFFSET		0x07
#define BT_ATT_ERR_AUTHORIZATION		0x08
#define BT_ATT_ERR_PREPARE_QUEUE_FULL		0x09
#define BT_ATT_ERR_ATTRIBUTE_NOT_FOUND		0x0a
#define BT_ATT_ERR_ATTRIBUTE_NOT_LONG		0x0b
#define BT_ATT_ERR_ENCRYPTION_KEY_SIZE		0x0c
#define BT_ATT_ERR_INVALID_ATTRIBUTE_LEN	0x0d
#define BT_ATT_ERR_UNLIKELY			0x0e
#define BT_ATT_ERR_INSUFFICIENT_ENCRYPTION	0x0f
#define BT_ATT_ERR_UNSUPPORTED_GROUP_TYPE	0x10
#define BT_ATT_ERR_INSUFFICIENT_RESOURCES	0x11
#define BT_ATT_ERR_DB_OUT_OF_SYNC		0x12
#define BT_ATT_ERR_VALUE_NOT_ALLOWED		0x13

/* Common Profile Error Codes (from CSS) */
#define BT_ATT_ERR_WRITE_REQ_REJECTED		0xfc
#define BT_ATT_ERR_CCC_IMPROPER_CONF		0xfd
#define BT_ATT_ERR_PROCEDURE_IN_PROGRESS	0xfe
#define BT_ATT_ERR_OUT_OF_RANGE			0xff

/* Version 5.2, Vol 3, Part F, 3.2.9 defines maximum attribute length to 512 */
#define BT_ATT_MAX_ATTRIBUTE_LEN		512

/* Handle 0x0000 is reserved for future use */
#define BT_ATT_FIRST_ATTTRIBUTE_HANDLE          0x0001
/* 0xffff is defined as the maximum, and thus last, valid attribute handle */
#define BT_ATT_LAST_ATTTRIBUTE_HANDLE           0xffff

#if defined(CONFIG_BT_TESTING)
int bt_eatt_disconnect_one(struct bt_conn *conn);
#endif /* CONFIG_BT_TESTING */

#ifdef __cplusplus
}
#endif

#endif /* ZEPHYR_INCLUDE_BLUETOOTH_ATT_H_ */