/* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR BSD-3-Clause) */ /* * linux/can/error.h * * Definitions of the CAN error messages to be filtered and passed to the user. * * Author: Oliver Hartkopp <[email protected]> * Copyright (c) 2002-2007 Volkswagen Group Electronic Research * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of Volkswagen nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * Alternatively, provided that this notice is retained in full, this * software may be distributed under the terms of the GNU General * Public License ("GPL") version 2, in which case the provisions of the * GPL apply INSTEAD OF those given above. * * The provided data structures and external interfaces from this code * are not restricted to be used by modules with a GPL compatible license. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. */ #ifndef _UAPI_CAN_ERROR_H #define _UAPI_CAN_ERROR_H #define CAN_ERR_DLC … /* error class (mask) in can_id */ #define CAN_ERR_TX_TIMEOUT … #define CAN_ERR_LOSTARB … #define CAN_ERR_CRTL … #define CAN_ERR_PROT … #define CAN_ERR_TRX … #define CAN_ERR_ACK … #define CAN_ERR_BUSOFF … #define CAN_ERR_BUSERROR … #define CAN_ERR_RESTARTED … #define CAN_ERR_CNT … /* RX error counter / data[7] */ /* arbitration lost in bit ... / data[0] */ #define CAN_ERR_LOSTARB_UNSPEC … /* else bit number in bitstream */ /* error status of CAN-controller / data[1] */ #define CAN_ERR_CRTL_UNSPEC … #define CAN_ERR_CRTL_RX_OVERFLOW … #define CAN_ERR_CRTL_TX_OVERFLOW … #define CAN_ERR_CRTL_RX_WARNING … #define CAN_ERR_CRTL_TX_WARNING … #define CAN_ERR_CRTL_RX_PASSIVE … #define CAN_ERR_CRTL_TX_PASSIVE … /* (at least one error counter exceeds */ /* the protocol-defined level of 127) */ #define CAN_ERR_CRTL_ACTIVE … /* error in CAN protocol (type) / data[2] */ #define CAN_ERR_PROT_UNSPEC … #define CAN_ERR_PROT_BIT … #define CAN_ERR_PROT_FORM … #define CAN_ERR_PROT_STUFF … #define CAN_ERR_PROT_BIT0 … #define CAN_ERR_PROT_BIT1 … #define CAN_ERR_PROT_OVERLOAD … #define CAN_ERR_PROT_ACTIVE … #define CAN_ERR_PROT_TX … /* error in CAN protocol (location) / data[3] */ #define CAN_ERR_PROT_LOC_UNSPEC … #define CAN_ERR_PROT_LOC_SOF … #define CAN_ERR_PROT_LOC_ID28_21 … #define CAN_ERR_PROT_LOC_ID20_18 … #define CAN_ERR_PROT_LOC_SRTR … #define CAN_ERR_PROT_LOC_IDE … #define CAN_ERR_PROT_LOC_ID17_13 … #define CAN_ERR_PROT_LOC_ID12_05 … #define CAN_ERR_PROT_LOC_ID04_00 … #define CAN_ERR_PROT_LOC_RTR … #define CAN_ERR_PROT_LOC_RES1 … #define CAN_ERR_PROT_LOC_RES0 … #define CAN_ERR_PROT_LOC_DLC … #define CAN_ERR_PROT_LOC_DATA … #define CAN_ERR_PROT_LOC_CRC_SEQ … #define CAN_ERR_PROT_LOC_CRC_DEL … #define CAN_ERR_PROT_LOC_ACK … #define CAN_ERR_PROT_LOC_ACK_DEL … #define CAN_ERR_PROT_LOC_EOF … #define CAN_ERR_PROT_LOC_INTERM … /* error status of CAN-transceiver / data[4] */ /* CANH CANL */ #define CAN_ERR_TRX_UNSPEC … #define CAN_ERR_TRX_CANH_NO_WIRE … #define CAN_ERR_TRX_CANH_SHORT_TO_BAT … #define CAN_ERR_TRX_CANH_SHORT_TO_VCC … #define CAN_ERR_TRX_CANH_SHORT_TO_GND … #define CAN_ERR_TRX_CANL_NO_WIRE … #define CAN_ERR_TRX_CANL_SHORT_TO_BAT … #define CAN_ERR_TRX_CANL_SHORT_TO_VCC … #define CAN_ERR_TRX_CANL_SHORT_TO_GND … #define CAN_ERR_TRX_CANL_SHORT_TO_CANH … /* data[5] is reserved (do not use) */ /* TX error counter / data[6] */ /* RX error counter / data[7] */ /* CAN state thresholds * * Error counter Error state * ----------------------------------- * 0 - 95 Error-active * 96 - 127 Error-warning * 128 - 255 Error-passive * 256 and greater Bus-off */ #define CAN_ERROR_WARNING_THRESHOLD … #define CAN_ERROR_PASSIVE_THRESHOLD … #define CAN_BUS_OFF_THRESHOLD … #endif /* _UAPI_CAN_ERROR_H */
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