1 /* SPDX-License-Identifier: ((GPL-2.0-only WIT 1
2 /*
3 * linux/can/bcm.h
4 *
5 * Definitions for CAN Broadcast Manager (BCM)
6 *
7 * Author: Oliver Hartkopp <oliver.hartkopp@vo
8 * Copyright (c) 2002-2007 Volkswagen Group El
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary
12 * modification, are permitted provided that t
13 * are met:
14 * 1. Redistributions of source code must reta
15 * notice, this list of conditions and the
16 * 2. Redistributions in binary form must repr
17 * notice, this list of conditions and the
18 * documentation and/or other materials pro
19 * 3. Neither the name of Volkswagen nor the n
20 * may be used to endorse or promote produc
21 * without specific prior written permissio
22 *
23 * Alternatively, provided that this notice is
24 * software may be distributed under the terms
25 * Public License ("GPL") version 2, in which
26 * GPL apply INSTEAD OF those given above.
27 *
28 * The provided data structures and external i
29 * are not restricted to be used by modules wi
30 *
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTI
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCH
34 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
35 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIR
36 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGE
37 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39 * THEORY OF LIABILITY, WHETHER IN CONTRACT, S
40 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE PO
42 * DAMAGE.
43 */
44
45 #ifndef _UAPI_CAN_BCM_H
46 #define _UAPI_CAN_BCM_H
47
48 #include <linux/types.h>
49 #include <linux/can.h>
50
51 struct bcm_timeval {
52 long tv_sec;
53 long tv_usec;
54 };
55
56 /**
57 * struct bcm_msg_head - head of messages to/f
58 * @opcode: opcode, see enum below.
59 * @flags: special flags, see below.
60 * @count: number of frames to send before
61 * @ival1: interval for the first @count f
62 * @ival2: interval for the following fram
63 * @can_id: CAN ID of frames to be sent or
64 * @nframes: number of frames appended to th
65 * @frames: array of CAN frames.
66 */
67 struct 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
77 enum {
78 TX_SETUP = 1, /* create (cyclic) tra
79 TX_DELETE, /* remove (cyclic) tra
80 TX_READ, /* read properties of
81 TX_SEND, /* send one CAN frame
82 RX_SETUP, /* create RX content f
83 RX_DELETE, /* remove RX content f
84 RX_READ, /* read properties of
85 TX_STATUS, /* reply to TX_READ re
86 TX_EXPIRED, /* notification on per
87 RX_STATUS, /* reply to RX_READ re
88 RX_TIMEOUT, /* cyclic message is a
89 RX_CHANGED /* updated CAN frame (
90 };
91
92 #define SETTIMER 0x0001
93 #define STARTTIMER 0x0002
94 #define TX_COUNTEVT 0x0004
95 #define TX_ANNOUNCE 0x0008
96 #define TX_CP_CAN_ID 0x0010
97 #define RX_FILTER_ID 0x0020
98 #define RX_CHECK_DLC 0x0040
99 #define RX_NO_AUTOTIMER 0x0080
100 #define RX_ANNOUNCE_RESUME 0x0100
101 #define TX_RESET_MULTI_IDX 0x0200
102 #define RX_RTR_FRAME 0x0400
103 #define CAN_FD_FRAME 0x0800
104
105 #endif /* !_UAPI_CAN_BCM_H */
106
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