Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 1 | /* |
| 2 | * linux/can/error.h |
| 3 | * |
| 4 | * Definitions of the CAN error messages to be filtered and passed to the user. |
| 5 | * |
| 6 | * Author: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> |
| 7 | * Copyright (c) 2002-2007 Volkswagen Group Electronic Research |
| 8 | * All rights reserved. |
| 9 | * |
Christopher Ferris | e084501 | 2014-07-09 14:58:51 -0700 | [diff] [blame] | 10 | * Redistribution and use in source and binary forms, with or without |
| 11 | * modification, are permitted provided that the following conditions |
| 12 | * are met: |
| 13 | * 1. Redistributions of source code must retain the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer. |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * 3. Neither the name of Volkswagen nor the names of its contributors |
| 19 | * may be used to endorse or promote products derived from this software |
| 20 | * without specific prior written permission. |
| 21 | * |
| 22 | * Alternatively, provided that this notice is retained in full, this |
| 23 | * software may be distributed under the terms of the GNU General |
| 24 | * Public License ("GPL") version 2, in which case the provisions of the |
| 25 | * GPL apply INSTEAD OF those given above. |
| 26 | * |
| 27 | * The provided data structures and external interfaces from this code |
| 28 | * are not restricted to be used by modules with a GPL compatible license. |
| 29 | * |
| 30 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 31 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 32 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 33 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 34 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 35 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 36 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 37 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 38 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 39 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 40 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
| 41 | * DAMAGE. |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 42 | */ |
| 43 | |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 44 | #ifndef _UAPI_CAN_ERROR_H |
| 45 | #define _UAPI_CAN_ERROR_H |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 46 | |
| 47 | #define CAN_ERR_DLC 8 /* dlc for error message frames */ |
| 48 | |
| 49 | /* error class (mask) in can_id */ |
| 50 | #define CAN_ERR_TX_TIMEOUT 0x00000001U /* TX timeout (by netdevice driver) */ |
| 51 | #define CAN_ERR_LOSTARB 0x00000002U /* lost arbitration / data[0] */ |
| 52 | #define CAN_ERR_CRTL 0x00000004U /* controller problems / data[1] */ |
| 53 | #define CAN_ERR_PROT 0x00000008U /* protocol violations / data[2..3] */ |
| 54 | #define CAN_ERR_TRX 0x00000010U /* transceiver status / data[4] */ |
| 55 | #define CAN_ERR_ACK 0x00000020U /* received no ACK on transmission */ |
| 56 | #define CAN_ERR_BUSOFF 0x00000040U /* bus off */ |
| 57 | #define CAN_ERR_BUSERROR 0x00000080U /* bus error (may flood!) */ |
| 58 | #define CAN_ERR_RESTARTED 0x00000100U /* controller restarted */ |
| 59 | |
| 60 | /* arbitration lost in bit ... / data[0] */ |
| 61 | #define CAN_ERR_LOSTARB_UNSPEC 0x00 /* unspecified */ |
| 62 | /* else bit number in bitstream */ |
| 63 | |
| 64 | /* error status of CAN-controller / data[1] */ |
| 65 | #define CAN_ERR_CRTL_UNSPEC 0x00 /* unspecified */ |
| 66 | #define CAN_ERR_CRTL_RX_OVERFLOW 0x01 /* RX buffer overflow */ |
| 67 | #define CAN_ERR_CRTL_TX_OVERFLOW 0x02 /* TX buffer overflow */ |
| 68 | #define CAN_ERR_CRTL_RX_WARNING 0x04 /* reached warning level for RX errors */ |
| 69 | #define CAN_ERR_CRTL_TX_WARNING 0x08 /* reached warning level for TX errors */ |
| 70 | #define CAN_ERR_CRTL_RX_PASSIVE 0x10 /* reached error passive status RX */ |
| 71 | #define CAN_ERR_CRTL_TX_PASSIVE 0x20 /* reached error passive status TX */ |
| 72 | /* (at least one error counter exceeds */ |
| 73 | /* the protocol-defined level of 127) */ |
Christopher Ferris | 12e1f28 | 2016-02-04 12:35:07 -0800 | [diff] [blame^] | 74 | #define CAN_ERR_CRTL_ACTIVE 0x40 /* recovered to error active state */ |
Ben Cheng | 224b54f | 2013-10-15 18:26:18 -0700 | [diff] [blame] | 75 | |
| 76 | /* error in CAN protocol (type) / data[2] */ |
| 77 | #define CAN_ERR_PROT_UNSPEC 0x00 /* unspecified */ |
| 78 | #define CAN_ERR_PROT_BIT 0x01 /* single bit error */ |
| 79 | #define CAN_ERR_PROT_FORM 0x02 /* frame format error */ |
| 80 | #define CAN_ERR_PROT_STUFF 0x04 /* bit stuffing error */ |
| 81 | #define CAN_ERR_PROT_BIT0 0x08 /* unable to send dominant bit */ |
| 82 | #define CAN_ERR_PROT_BIT1 0x10 /* unable to send recessive bit */ |
| 83 | #define CAN_ERR_PROT_OVERLOAD 0x20 /* bus overload */ |
| 84 | #define CAN_ERR_PROT_ACTIVE 0x40 /* active error announcement */ |
| 85 | #define CAN_ERR_PROT_TX 0x80 /* error occurred on transmission */ |
| 86 | |
| 87 | /* error in CAN protocol (location) / data[3] */ |
| 88 | #define CAN_ERR_PROT_LOC_UNSPEC 0x00 /* unspecified */ |
| 89 | #define CAN_ERR_PROT_LOC_SOF 0x03 /* start of frame */ |
| 90 | #define CAN_ERR_PROT_LOC_ID28_21 0x02 /* ID bits 28 - 21 (SFF: 10 - 3) */ |
| 91 | #define CAN_ERR_PROT_LOC_ID20_18 0x06 /* ID bits 20 - 18 (SFF: 2 - 0 )*/ |
| 92 | #define CAN_ERR_PROT_LOC_SRTR 0x04 /* substitute RTR (SFF: RTR) */ |
| 93 | #define CAN_ERR_PROT_LOC_IDE 0x05 /* identifier extension */ |
| 94 | #define CAN_ERR_PROT_LOC_ID17_13 0x07 /* ID bits 17-13 */ |
| 95 | #define CAN_ERR_PROT_LOC_ID12_05 0x0F /* ID bits 12-5 */ |
| 96 | #define CAN_ERR_PROT_LOC_ID04_00 0x0E /* ID bits 4-0 */ |
| 97 | #define CAN_ERR_PROT_LOC_RTR 0x0C /* RTR */ |
| 98 | #define CAN_ERR_PROT_LOC_RES1 0x0D /* reserved bit 1 */ |
| 99 | #define CAN_ERR_PROT_LOC_RES0 0x09 /* reserved bit 0 */ |
| 100 | #define CAN_ERR_PROT_LOC_DLC 0x0B /* data length code */ |
| 101 | #define CAN_ERR_PROT_LOC_DATA 0x0A /* data section */ |
| 102 | #define CAN_ERR_PROT_LOC_CRC_SEQ 0x08 /* CRC sequence */ |
| 103 | #define CAN_ERR_PROT_LOC_CRC_DEL 0x18 /* CRC delimiter */ |
| 104 | #define CAN_ERR_PROT_LOC_ACK 0x19 /* ACK slot */ |
| 105 | #define CAN_ERR_PROT_LOC_ACK_DEL 0x1B /* ACK delimiter */ |
| 106 | #define CAN_ERR_PROT_LOC_EOF 0x1A /* end of frame */ |
| 107 | #define CAN_ERR_PROT_LOC_INTERM 0x12 /* intermission */ |
| 108 | |
| 109 | /* error status of CAN-transceiver / data[4] */ |
| 110 | /* CANH CANL */ |
| 111 | #define CAN_ERR_TRX_UNSPEC 0x00 /* 0000 0000 */ |
| 112 | #define CAN_ERR_TRX_CANH_NO_WIRE 0x04 /* 0000 0100 */ |
| 113 | #define CAN_ERR_TRX_CANH_SHORT_TO_BAT 0x05 /* 0000 0101 */ |
| 114 | #define CAN_ERR_TRX_CANH_SHORT_TO_VCC 0x06 /* 0000 0110 */ |
| 115 | #define CAN_ERR_TRX_CANH_SHORT_TO_GND 0x07 /* 0000 0111 */ |
| 116 | #define CAN_ERR_TRX_CANL_NO_WIRE 0x40 /* 0100 0000 */ |
| 117 | #define CAN_ERR_TRX_CANL_SHORT_TO_BAT 0x50 /* 0101 0000 */ |
| 118 | #define CAN_ERR_TRX_CANL_SHORT_TO_VCC 0x60 /* 0110 0000 */ |
| 119 | #define CAN_ERR_TRX_CANL_SHORT_TO_GND 0x70 /* 0111 0000 */ |
| 120 | #define CAN_ERR_TRX_CANL_SHORT_TO_CANH 0x80 /* 1000 0000 */ |
| 121 | |
| 122 | /* controller specific additional information / data[5..7] */ |
| 123 | |
Christopher Ferris | 3147524 | 2014-09-02 17:43:51 -0700 | [diff] [blame] | 124 | #endif /* _UAPI_CAN_ERROR_H */ |