FM / can

/usr/include/linux/can

Name	Size	Mode	Actions
bcm.h	4116	0644	edit dl rm
error.h	6654	0644	edit dl rm
gw.h	8031	0644	edit dl rm
j1939.h	2207	0644	edit dl rm
netlink.h	3993	0644	edit dl rm
raw.h	2858	0644	edit dl rm
vxcan.h	232	0644	edit dl rm

Edit: /usr/include/linux/can/j1939.h (2207B)

/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
 * j1939.h
 *
 * Copyright (c) 2010-2011 EIA Electronics
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _CAN_J1939_H_
#define _CAN_J1939_H_

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

#define J1939_MAX_UNICAST_ADDR 0xfd
#define J1939_IDLE_ADDR 0xfe
#define J1939_NO_ADDR 0xff		/* == broadcast or no addr */
#define J1939_NO_NAME 0
#define J1939_PGN_REQUEST 0x0ea00		/* Request PG */
#define J1939_PGN_ADDRESS_CLAIMED 0x0ee00	/* Address Claimed */
#define J1939_PGN_ADDRESS_COMMANDED 0x0fed8	/* Commanded Address */
#define J1939_PGN_PDU1_MAX 0x3ff00
#define J1939_PGN_MAX 0x3ffff
#define J1939_NO_PGN 0x40000

/* J1939 Parameter Group Number
 *
 * bit 0-7	: PDU Specific (PS)
 * bit 8-15	: PDU Format (PF)
 * bit 16	: Data Page (DP)
 * bit 17	: Reserved (R)
 * bit 19-31	: set to zero
 */
typedef __u32 pgn_t;

/* J1939 Priority
 *
 * bit 0-2	: Priority (P)
 * bit 3-7	: set to zero
 */
typedef __u8 priority_t;

/* J1939 NAME
 *
 * bit 0-20	: Identity Number
 * bit 21-31	: Manufacturer Code
 * bit 32-34	: ECU Instance
 * bit 35-39	: Function Instance
 * bit 40-47	: Function
 * bit 48	: Reserved
 * bit 49-55	: Vehicle System
 * bit 56-59	: Vehicle System Instance
 * bit 60-62	: Industry Group
 * bit 63	: Arbitrary Address Capable
 */
typedef __u64 name_t;

/* J1939 socket options */
#define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J1939)
enum {
	SO_J1939_FILTER = 1,	/* set filters */
	SO_J1939_PROMISC = 2,	/* set/clr promiscuous mode */
	SO_J1939_SEND_PRIO = 3,
	SO_J1939_ERRQUEUE = 4,
};

enum {
	SCM_J1939_DEST_ADDR = 1,
	SCM_J1939_DEST_NAME = 2,
	SCM_J1939_PRIO = 3,
	SCM_J1939_ERRQUEUE = 4,
};

enum {
	J1939_NLA_PAD,
	J1939_NLA_BYTES_ACKED,
};

enum {
	J1939_EE_INFO_NONE,
	J1939_EE_INFO_TX_ABORT,
};

struct j1939_filter {
	name_t name;
	name_t name_mask;
	pgn_t pgn;
	pgn_t pgn_mask;
	__u8 addr;
	__u8 addr_mask;
};

#define J1939_FILTER_MAX 512 /* maximum number of j1939_filter set via setsockopt() */

#endif /* !_UAPI_CAN_J1939_H_ */

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