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 17 #include <linux/types.h> 18 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 { 31 __u32 opcode; 32 __u32 flags; 33 __u32 count; 34 struct timeval ival1, ival2; 35 canid_t can_id; 36 __u32 nframes; 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 */ 68