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1 | /* |
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 | * | |
10 | * Send feedback to <socketcan-users@lists.berlios.de> | |
11 | * | |
12 | */ | |
13 | ||
14 | #ifndef CAN_BCM_H | |
15 | #define CAN_BCM_H | |
16 | ||
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17 | #include <linux/types.h> |
18 | ||
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19 | /** |
20 | * struct bcm_msg_head - head of messages to/from the broadcast manager | |
21 | * @opcode: opcode, see enum below. | |
22 | * @flags: special flags, see below. | |
23 | * @count: number of frames to send before changing interval. | |
24 | * @ival1: interval for the first @count frames. | |
25 | * @ival2: interval for the following frames. | |
26 | * @can_id: CAN ID of frames to be sent or received. | |
27 | * @nframes: number of frames appended to the message head. | |
28 | * @frames: array of CAN frames. | |
29 | */ | |
30 | struct bcm_msg_head { | |
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31 | __u32 opcode; |
32 | __u32 flags; | |
33 | __u32 count; | |
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34 | struct timeval ival1, ival2; |
35 | canid_t can_id; | |
4195e317 | 36 | __u32 nframes; |
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37 | struct can_frame frames[0]; |
38 | }; | |
39 | ||
40 | enum { | |
41 | TX_SETUP = 1, /* create (cyclic) transmission task */ | |
42 | TX_DELETE, /* remove (cyclic) transmission task */ | |
43 | TX_READ, /* read properties of (cyclic) transmission task */ | |
44 | TX_SEND, /* send one CAN frame */ | |
45 | RX_SETUP, /* create RX content filter subscription */ | |
46 | RX_DELETE, /* remove RX content filter subscription */ | |
47 | RX_READ, /* read properties of RX content filter subscription */ | |
48 | TX_STATUS, /* reply to TX_READ request */ | |
49 | TX_EXPIRED, /* notification on performed transmissions (count=0) */ | |
50 | RX_STATUS, /* reply to RX_READ request */ | |
51 | RX_TIMEOUT, /* cyclic message is absent */ | |
52 | RX_CHANGED /* updated CAN frame (detected content change) */ | |
53 | }; | |
54 | ||
55 | #define SETTIMER 0x0001 | |
56 | #define STARTTIMER 0x0002 | |
57 | #define TX_COUNTEVT 0x0004 | |
58 | #define TX_ANNOUNCE 0x0008 | |
59 | #define TX_CP_CAN_ID 0x0010 | |
60 | #define RX_FILTER_ID 0x0020 | |
61 | #define RX_CHECK_DLC 0x0040 | |
62 | #define RX_NO_AUTOTIMER 0x0080 | |
63 | #define RX_ANNOUNCE_RESUME 0x0100 | |
64 | #define TX_RESET_MULTI_IDX 0x0200 | |
65 | #define RX_RTR_FRAME 0x0400 | |
66 | ||
67 | #endif /* CAN_BCM_H */ |