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105 lines
4.0 KiB
105 lines
4.0 KiB
/* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR BSD-3-Clause) */ |
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/* |
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* linux/can/bcm.h |
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* |
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* Definitions for CAN Broadcast Manager (BCM) |
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* |
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* Author: Oliver Hartkopp <[email protected]> |
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* Copyright (c) 2002-2007 Volkswagen Group Electronic Research |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of Volkswagen nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* Alternatively, provided that this notice is retained in full, this |
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* software may be distributed under the terms of the GNU General |
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* Public License ("GPL") version 2, in which case the provisions of the |
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* GPL apply INSTEAD OF those given above. |
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* |
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* The provided data structures and external interfaces from this code |
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* are not restricted to be used by modules with a GPL compatible license. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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*/ |
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#ifndef _UAPI_CAN_BCM_H |
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#define _UAPI_CAN_BCM_H |
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#include <linux/types.h> |
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#include <linux/can.h> |
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struct bcm_timeval { |
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long tv_sec; |
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long tv_usec; |
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}; |
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/** |
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* struct bcm_msg_head - head of messages to/from the broadcast manager |
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* @opcode: opcode, see enum below. |
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* @flags: special flags, see below. |
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* @count: number of frames to send before changing interval. |
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* @ival1: interval for the first @count frames. |
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* @ival2: interval for the following frames. |
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* @can_id: CAN ID of frames to be sent or received. |
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* @nframes: number of frames appended to the message head. |
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* @frames: array of CAN frames. |
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*/ |
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struct bcm_msg_head { |
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__u32 opcode; |
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__u32 flags; |
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__u32 count; |
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struct bcm_timeval ival1, ival2; |
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canid_t can_id; |
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__u32 nframes; |
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struct can_frame frames[0]; |
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}; |
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enum { |
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TX_SETUP = 1, /* create (cyclic) transmission task */ |
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TX_DELETE, /* remove (cyclic) transmission task */ |
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TX_READ, /* read properties of (cyclic) transmission task */ |
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TX_SEND, /* send one CAN frame */ |
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RX_SETUP, /* create RX content filter subscription */ |
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RX_DELETE, /* remove RX content filter subscription */ |
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RX_READ, /* read properties of RX content filter subscription */ |
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TX_STATUS, /* reply to TX_READ request */ |
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TX_EXPIRED, /* notification on performed transmissions (count=0) */ |
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RX_STATUS, /* reply to RX_READ request */ |
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RX_TIMEOUT, /* cyclic message is absent */ |
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RX_CHANGED /* updated CAN frame (detected content change) */ |
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}; |
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#define SETTIMER 0x0001 |
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#define STARTTIMER 0x0002 |
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#define TX_COUNTEVT 0x0004 |
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#define TX_ANNOUNCE 0x0008 |
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#define TX_CP_CAN_ID 0x0010 |
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#define RX_FILTER_ID 0x0020 |
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#define RX_CHECK_DLC 0x0040 |
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#define RX_NO_AUTOTIMER 0x0080 |
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#define RX_ANNOUNCE_RESUME 0x0100 |
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#define TX_RESET_MULTI_IDX 0x0200 |
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#define RX_RTR_FRAME 0x0400 |
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#define CAN_FD_FRAME 0x0800 |
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#endif /* !_UAPI_CAN_BCM_H */
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