root/include/linux/can/bcm.h

INCLUDED FROM

/*
 * linux/can/bcm.h
 *
 * Definitions for CAN Broadcast Manager (BCM)
 *
 * Author: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
 * All rights reserved.
 *
 * Send feedback to <socketcan-users@lists.berlios.de>
 *
 */

#ifndef CAN_BCM_H
#define CAN_BCM_H

/**
 * struct bcm_msg_head - head of messages to/from the broadcast manager
 * @opcode:    opcode, see enum below.
 * @flags:     special flags, see below.
 * @count:     number of frames to send before changing interval.
 * @ival1:     interval for the first @count frames.
 * @ival2:     interval for the following frames.
 * @can_id:    CAN ID of frames to be sent or received.
 * @nframes:   number of frames appended to the message head.
 * @frames:    array of CAN frames.
 */
struct bcm_msg_head {
        __u32 opcode;
        __u32 flags;
        __u32 count;
        struct timeval ival1, ival2;
        canid_t can_id;
        __u32 nframes;
        struct can_frame frames[0];
};

enum {
        TX_SETUP = 1,   /* create (cyclic) transmission task */
        TX_DELETE,      /* remove (cyclic) transmission task */
        TX_READ,        /* read properties of (cyclic) transmission task */
        TX_SEND,        /* send one CAN frame */
        RX_SETUP,       /* create RX content filter subscription */
        RX_DELETE,      /* remove RX content filter subscription */
        RX_READ,        /* read properties of RX content filter subscription */
        TX_STATUS,      /* reply to TX_READ request */
        TX_EXPIRED,     /* notification on performed transmissions (count=0) */
        RX_STATUS,      /* reply to RX_READ request */
        RX_TIMEOUT,     /* cyclic message is absent */
        RX_CHANGED      /* updated CAN frame (detected content change) */
};

#define SETTIMER            0x0001
#define STARTTIMER          0x0002
#define TX_COUNTEVT         0x0004
#define TX_ANNOUNCE         0x0008
#define TX_CP_CAN_ID        0x0010
#define RX_FILTER_ID        0x0020
#define RX_CHECK_DLC        0x0040
#define RX_NO_AUTOTIMER     0x0080
#define RX_ANNOUNCE_RESUME  0x0100
#define TX_RESET_MULTI_IDX  0x0200
#define RX_RTR_FRAME        0x0400

#endif /* CAN_BCM_H */