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