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Oliver Hartkoppffd980f2007-11-16 15:53:52 -08001/*
2 * linux/can/bcm.h
3 *
4 * Definitions for CAN Broadcast Manager (BCM)
5 *
6 * Author: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
7 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
8 * All rights reserved.
9 *
Oliver Hartkoppffd980f2007-11-16 15:53:52 -080010 */
11
12#ifndef CAN_BCM_H
13#define CAN_BCM_H
14
Jaswinder Singh Rajput9d6aa4c2009-01-30 19:50:25 +053015#include <linux/types.h>
Ben Hutchings767df1c2011-08-24 18:46:06 +000016#include <linux/can.h>
Jaswinder Singh Rajput9d6aa4c2009-01-30 19:50:25 +053017
Oliver Hartkoppffd980f2007-11-16 15:53:52 -080018/**
19 * struct bcm_msg_head - head of messages to/from the broadcast manager
20 * @opcode: opcode, see enum below.
21 * @flags: special flags, see below.
22 * @count: number of frames to send before changing interval.
23 * @ival1: interval for the first @count frames.
24 * @ival2: interval for the following frames.
25 * @can_id: CAN ID of frames to be sent or received.
26 * @nframes: number of frames appended to the message head.
27 * @frames: array of CAN frames.
28 */
29struct bcm_msg_head {
Oliver Hartkopp4195e312007-12-27 16:50:06 -080030 __u32 opcode;
31 __u32 flags;
32 __u32 count;
Oliver Hartkoppffd980f2007-11-16 15:53:52 -080033 struct timeval ival1, ival2;
34 canid_t can_id;
Oliver Hartkopp4195e312007-12-27 16:50:06 -080035 __u32 nframes;
Oliver Hartkoppffd980f2007-11-16 15:53:52 -080036 struct can_frame frames[0];
37};
38
39enum {
40 TX_SETUP = 1, /* create (cyclic) transmission task */
41 TX_DELETE, /* remove (cyclic) transmission task */
42 TX_READ, /* read properties of (cyclic) transmission task */
43 TX_SEND, /* send one CAN frame */
44 RX_SETUP, /* create RX content filter subscription */
45 RX_DELETE, /* remove RX content filter subscription */
46 RX_READ, /* read properties of RX content filter subscription */
47 TX_STATUS, /* reply to TX_READ request */
48 TX_EXPIRED, /* notification on performed transmissions (count=0) */
49 RX_STATUS, /* reply to RX_READ request */
50 RX_TIMEOUT, /* cyclic message is absent */
51 RX_CHANGED /* updated CAN frame (detected content change) */
52};
53
54#define SETTIMER 0x0001
55#define STARTTIMER 0x0002
56#define TX_COUNTEVT 0x0004
57#define TX_ANNOUNCE 0x0008
58#define TX_CP_CAN_ID 0x0010
59#define RX_FILTER_ID 0x0020
60#define RX_CHECK_DLC 0x0040
61#define RX_NO_AUTOTIMER 0x0080
62#define RX_ANNOUNCE_RESUME 0x0100
63#define TX_RESET_MULTI_IDX 0x0200
64#define RX_RTR_FRAME 0x0400
65
66#endif /* CAN_BCM_H */