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1/* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR BSD-3-Clause) */2/*3 * linux/can/bcm.h4 *5 * Definitions for CAN Broadcast Manager (BCM)6 *7 * Author: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>8 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research9 * All rights reserved.10 *11 * Redistribution and use in source and binary forms, with or without12 * modification, are permitted provided that the following conditions13 * are met:14 * 1. Redistributions of source code must retain the above copyright15 * notice, this list of conditions and the following disclaimer.16 * 2. Redistributions in binary form must reproduce the above copyright17 * notice, this list of conditions and the following disclaimer in the18 * documentation and/or other materials provided with the distribution.19 * 3. Neither the name of Volkswagen nor the names of its contributors20 * may be used to endorse or promote products derived from this software21 * without specific prior written permission.22 *23 * Alternatively, provided that this notice is retained in full, this24 * software may be distributed under the terms of the GNU General25 * Public License ("GPL") version 2, in which case the provisions of the26 * GPL apply INSTEAD OF those given above.27 *28 * The provided data structures and external interfaces from this code29 * are not restricted to be used by modules with a GPL compatible license.30 *31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT37 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,38 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY39 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE41 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH42 * DAMAGE.43 */44 45#ifndef _UAPI_CAN_BCM_H46#define _UAPI_CAN_BCM_H47 48#include <linux/types.h>49#include <linux/can.h>50 51struct bcm_timeval {52 long tv_sec;53 long tv_usec;54};55 56/**57 * struct bcm_msg_head - head of messages to/from the broadcast manager58 * @opcode: opcode, see enum below.59 * @flags: special flags, see below.60 * @count: number of frames to send before changing interval.61 * @ival1: interval for the first @count frames.62 * @ival2: interval for the following frames.63 * @can_id: CAN ID of frames to be sent or received.64 * @nframes: number of frames appended to the message head.65 * @frames: array of CAN frames.66 */67struct bcm_msg_head {68 __u32 opcode;69 __u32 flags;70 __u32 count;71 struct bcm_timeval ival1, ival2;72 canid_t can_id;73 __u32 nframes;74 struct can_frame frames[];75};76 77enum {78 TX_SETUP = 1, /* create (cyclic) transmission task */79 TX_DELETE, /* remove (cyclic) transmission task */80 TX_READ, /* read properties of (cyclic) transmission task */81 TX_SEND, /* send one CAN frame */82 RX_SETUP, /* create RX content filter subscription */83 RX_DELETE, /* remove RX content filter subscription */84 RX_READ, /* read properties of RX content filter subscription */85 TX_STATUS, /* reply to TX_READ request */86 TX_EXPIRED, /* notification on performed transmissions (count=0) */87 RX_STATUS, /* reply to RX_READ request */88 RX_TIMEOUT, /* cyclic message is absent */89 RX_CHANGED /* updated CAN frame (detected content change) */90};91 92#define SETTIMER 0x000193#define STARTTIMER 0x000294#define TX_COUNTEVT 0x000495#define TX_ANNOUNCE 0x000896#define TX_CP_CAN_ID 0x001097#define RX_FILTER_ID 0x002098#define RX_CHECK_DLC 0x004099#define RX_NO_AUTOTIMER 0x0080100#define RX_ANNOUNCE_RESUME 0x0100101#define TX_RESET_MULTI_IDX 0x0200102#define RX_RTR_FRAME 0x0400103#define CAN_FD_FRAME 0x0800104 105#endif /* !_UAPI_CAN_BCM_H */106