66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* packet-socketcan.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef __PACKET_SOCKETCAN_H__
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#define __PACKET_SOCKETCAN_H__
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/* Structure that gets passed between dissectors. */
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struct can_info
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{
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guint32 id;
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guint32 len;
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gboolean fd;
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};
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typedef struct can_info can_info_t;
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/* controller area network (CAN) kernel definitions
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* These masks are usually defined within <linux/can.h> but are not
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* available on non-Linux platforms; that's the reason for the
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* redefinitions below
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*
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* special address description flags for the CAN_ID */
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#define CAN_EFF_FLAG 0x80000000 /* EFF/SFF is set in the MSB */
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#define CAN_RTR_FLAG 0x40000000 /* remote transmission request */
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#define CAN_ERR_FLAG 0x20000000 /* error frame */
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#define CAN_FLAG_MASK (CAN_EFF_FLAG | CAN_RTR_FLAG | CAN_ERR_FLAG)
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#define CAN_EFF_MASK 0x1FFFFFFF /* extended frame format (EFF) has a 29 bit identifier */
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#define CAN_SFF_MASK 0x000007FF /* standard frame format (SFF) has a 11 bit identifier */
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#define CAN_ERR_DLC 8 /* dlc for error message frames */
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/* error class (mask) in can_id */
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#define CAN_ERR_TX_TIMEOUT 0x00000001U /* TX timeout (by netdevice driver) */
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#define CAN_ERR_LOSTARB 0x00000002U /* lost arbitration / data[0] */
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#define CAN_ERR_CTRL 0x00000004U /* controller problems / data[1] */
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#define CAN_ERR_PROT 0x00000008U /* protocol violations / data[2..3] */
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#define CAN_ERR_TRX 0x00000010U /* transceiver status / data[4] */
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#define CAN_ERR_ACK 0x00000020U /* received no ACK on transmission */
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#define CAN_ERR_BUSOFF 0x00000040U /* bus off */
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#define CAN_ERR_BUSERROR 0x00000080U /* bus error (may flood!) */
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#define CAN_ERR_RESTARTED 0x00000100U /* controller restarted */
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#define CAN_ERR_RESERVED 0x1FFFFE00U /* reserved bits */
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#endif /* __PACKET_SOCKETCAN_H__ */
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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