922cd657c9
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
66 lines
2 KiB
C
66 lines
2 KiB
C
/*
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef CAN_BCM_H
|
|
#define CAN_BCM_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/can.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 */
|