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/* 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,
J1939_NLA_TOTAL_SIZE,
J1939_NLA_PGN,
J1939_NLA_SRC_NAME,
J1939_NLA_DEST_NAME,
J1939_NLA_SRC_ADDR,
J1939_NLA_DEST_ADDR,
};
enum {
J1939_EE_INFO_NONE,
J1939_EE_INFO_TX_ABORT,
J1939_EE_INFO_RX_RTS,
J1939_EE_INFO_RX_DPO,
J1939_EE_INFO_RX_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_ */