159 lines
6.9 KiB
C
159 lines
6.9 KiB
C
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/*************************************************************************************************/
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/*!
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* \file
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*
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* \brief L2CAP constants and definitions from the Bluetooth specification.
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*
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* Copyright (c) 2009-2018 Arm Ltd.
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*
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* Copyright (c) 2019 Packetcraft, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*************************************************************************************************/
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#ifndef L2C_DEFS_H
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#define L2C_DEFS_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*! \addtogroup STACK_L2CAP_API
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* \{ */
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/**************************************************************************************************
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Macros
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**************************************************************************************************/
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/** \name L2CAP Packet Constants
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*
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*/
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/**@{*/
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#define L2C_HDR_LEN 4 /*!< \brief L2CAP packet header length */
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#define L2C_MIN_MTU 23 /*!< \brief Minimum packet payload MTU for LE */
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#define L2C_SIG_HDR_LEN 4 /*!< \brief L2CAP signaling command header length */
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#define L2C_LE_SDU_HDR_LEN 2 /*!< \brief L2CAP LE SDU data header length */
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/**@}*/
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/*! \brief Start of L2CAP payload in an HCI ACL packet buffer */
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#define L2C_PAYLOAD_START (HCI_ACL_HDR_LEN + L2C_HDR_LEN)
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/*! \brief L2CAP signaling packet base length, including HCI header */
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#define L2C_SIG_PKT_BASE_LEN (HCI_ACL_HDR_LEN + L2C_HDR_LEN + L2C_SIG_HDR_LEN)
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/*! \brief L2CAP LE SDU packet base length, including HCI header */
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#define L2C_LE_SDU_PKT_BASE_LEN (HCI_ACL_HDR_LEN + L2C_HDR_LEN + L2C_LE_SDU_HDR_LEN)
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/** \name L2CAP Parameter Lengths
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* Signaling packet parameter lengths
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*/
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/**@{*/
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#define L2C_SIG_CONN_UPDATE_REQ_LEN 8 /*!< \brief Connection update request length. */
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#define L2C_SIG_CONN_UPDATE_RSP_LEN 2 /*!< \brief Connection update response length. */
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#define L2C_SIG_CMD_REJ_LEN 2 /*!< \brief Command reject length. */
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#define L2C_SIG_DISCONN_REQ_LEN 4 /*!< \brief Disconnection request length. */
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#define L2C_SIG_DISCONN_RSP_LEN 4 /*!< \brief Disconnection response length. */
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#define L2C_SIG_LE_CONN_REQ_LEN 10 /*!< \brief LE connection request length. */
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#define L2C_SIG_LE_CONN_RSP_LEN 10 /*!< \brief LE connection response length. */
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#define L2C_SIG_FLOW_CTRL_CREDIT_LEN 4 /*!< \brief Flow control credit lenghth. */
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/**@}*/
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/** \name L2CAP Connection Identifiers
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* BLE Defined Connection Identifiers (CID)
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*/
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/**@{*/
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#define L2C_CID_ATT 0x0004 /*!< \brief CID for attribute protocol */
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#define L2C_CID_LE_SIGNALING 0x0005 /*!< \brief CID for LE signaling */
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#define L2C_CID_SMP 0x0006 /*!< \brief CID for security manager protocol */
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/**@}*/
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/** \name L2CAP Signaling Codes
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*
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*/
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/**@{*/
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#define L2C_SIG_CMD_REJ 0x01 /*!< \brief Comand reject */
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#define L2C_SIG_DISCONNECT_REQ 0x06 /*!< \brief Disconnect request */
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#define L2C_SIG_DISCONNECT_RSP 0x07 /*!< \brief Disconnect response */
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#define L2C_SIG_CONN_UPDATE_REQ 0x12 /*!< \brief Connection parameter update request */
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#define L2C_SIG_CONN_UPDATE_RSP 0x13 /*!< \brief Connection parameter update response */
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#define L2C_SIG_LE_CONNECT_REQ 0x14 /*!< \brief LE credit based connection request */
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#define L2C_SIG_LE_CONNECT_RSP 0x15 /*!< \brief LE credit based connection response */
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#define L2C_SIG_FLOW_CTRL_CREDIT 0x16 /*!< \brief LE flow control credit */
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/**@}*/
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/*! \brief Signaling response code flag */
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#define L2C_SIG_RSP_FLAG 0x01
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/** \name L2CAP Command Rejection Codes
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* BLE defined Command rejection reason codes
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*/
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/**@{*/
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#define L2C_REJ_NOT_UNDERSTOOD 0x0000 /*!< \brief Command not understood */
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#define L2C_REJ_MTU_EXCEEDED 0x0001 /*!< \brief Signaling MTU exceeded */
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#define L2C_REJ_INVALID_CID 0x0002 /*!< \brief Invalid CID in request */
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/**@}*/
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/** \name L2CAP Connection Parameter Update Result Codes
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* BLE defined result codes
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*/
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/**@{*/
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#define L2C_CONN_PARAM_ACCEPTED 0x0000 /*!< \brief Connection parameters accepted */
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#define L2C_CONN_PARAM_REJECTED 0x0001 /*!< \brief Connection parameters rejected */
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/**@}*/
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/** \name L2CAP Connection Result Codes
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* BLE defined result codes
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*/
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/**@{*/
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#define L2C_CONN_SUCCESS 0x0000 /*!< \brief Connection successful */
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#define L2C_CONN_NONE 0x0001 /*!< \brief No connection result value available */
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#define L2C_CONN_FAIL_PSM 0x0002 /*!< \brief Connection refused LE_PSM not supported */
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#define L2C_CONN_FAIL_RES 0x0004 /*!< \brief Connection refused no resources available */
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#define L2C_CONN_FAIL_AUTH 0x0005 /*!< \brief Connection refused insufficient authentication */
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#define L2C_CONN_FAIL_AUTHORIZ 0x0006 /*!< \brief Connection refused insufficient authorization */
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#define L2C_CONN_FAIL_KEY_SIZE 0x0007 /*!< \brief Connection refused insufficient encryption key size */
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#define L2C_CONN_FAIL_ENC 0x0008 /*!< \brief Connection Refused insufficient encryption */
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#define L2C_CONN_FAIL_INVALID_SCID 0x0009 /*!< \brief Connection refused invalid source CID */
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#define L2C_CONN_FAIL_ALLOCATED_SCID 0x000A /*!< \brief Connection refused source CID already allocated */
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#define L2C_CONN_FAIL_UNACCEPT_PARAM 0x000B /*!< \brief Connection refused unacceptable parameters */
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/**@}*/
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/** \name L2CAP Interal Connection Result Codes
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* Proprietary codes not sent in any L2CAP packet.
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*/
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/**@{*/
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#define L2C_CONN_FAIL_TIMEOUT 0xF000 /*!< \brief Request timeout */
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/**@}*/
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/** \name L2CAP Signaling Parameter Value Ranges
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*
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*/
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/**@{*/
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#define L2C_PSM_MIN 0x0001 /*!< \brief PSM minimum. */
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#define L2C_PSM_MAX 0x00FF /*!< \brief PSM maximum. */
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#define L2C_CID_DYN_MIN 0x0040 /*!< \brief CID dynamic minimum. */
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#define L2C_CID_DYN_MAX 0x007F /*!< \brief CID dynamic maximum. */
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#define L2C_MTU_MIN 0x0017 /*!< \brief MTU minimum. */
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#define L2C_MPS_MIN 0x0017 /*!< \brief MPS minimum. */
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#define L2C_MPS_MAX 0xFFFD /*!< \brief MPS maximum. */
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#define L2C_CREDITS_MAX 0xFFFF /*!< \brief Credits maximum. */
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/**@}*/
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/*! \} */ /*! STACK_L2CAP_API */
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#ifdef __cplusplus
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};
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#endif
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#endif /* L2C_DEFS_H */
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