cregit-Linux how code gets into the kernel

Release 4.12 include/uapi/linux/can/bcm.h

/*
 * 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.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of Volkswagen nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * Alternatively, provided that this notice is retained in full, this
 * software may be distributed under the terms of the GNU General
 * Public License ("GPL") version 2, in which case the provisions of the
 * GPL apply INSTEAD OF those given above.
 *
 * The provided data structures and external interfaces from this code
 * are not restricted to be used by modules with a GPL compatible license.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */

#ifndef _UAPI_CAN_BCM_H

#define _UAPI_CAN_BCM_H

#include <linux/types.h>
#include <linux/can.h>


struct bcm_timeval {
	
long tv_sec;
	
long tv_usec;
};

/**
 * 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 bcm_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

#define CAN_FD_FRAME        0x0800

#endif /* !_UAPI_CAN_BCM_H */

Overall Contributors

PersonTokensPropCommitsCommitProp
Oliver Hartkopp13187.33%450.00%
Arnd Bergmann128.00%112.50%
Jaswinder Singh Rajput32.00%112.50%
Ben Hutchings32.00%112.50%
Uwe Kleine-König10.67%112.50%
Total150100.00%8100.00%
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