/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
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/*
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* j1939.h
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*
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* Copyright (c) 2010-2011 EIA Electronics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef _UAPI_CAN_J1939_H_
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#define _UAPI_CAN_J1939_H_
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#include <linux/types.h>
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#include <linux/socket.h>
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#include <linux/can.h>
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#define J1939_MAX_UNICAST_ADDR 0xfd
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#define J1939_IDLE_ADDR 0xfe
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#define J1939_NO_ADDR 0xff /* == broadcast or no addr */
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#define J1939_NO_NAME 0
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#define J1939_PGN_REQUEST 0x0ea00 /* Request PG */
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#define J1939_PGN_ADDRESS_CLAIMED 0x0ee00 /* Address Claimed */
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#define J1939_PGN_ADDRESS_COMMANDED 0x0fed8 /* Commanded Address */
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#define J1939_PGN_PDU1_MAX 0x3ff00
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#define J1939_PGN_MAX 0x3ffff
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#define J1939_NO_PGN 0x40000
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/* J1939 Parameter Group Number
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*
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* bit 0-7 : PDU Specific (PS)
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* bit 8-15 : PDU Format (PF)
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* bit 16 : Data Page (DP)
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* bit 17 : Reserved (R)
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* bit 19-31 : set to zero
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*/
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typedef __u32 pgn_t;
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/* J1939 Priority
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*
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* bit 0-2 : Priority (P)
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* bit 3-7 : set to zero
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*/
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typedef __u8 priority_t;
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/* J1939 NAME
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*
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* bit 0-20 : Identity Number
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* bit 21-31 : Manufacturer Code
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* bit 32-34 : ECU Instance
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* bit 35-39 : Function Instance
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* bit 40-47 : Function
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* bit 48 : Reserved
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* bit 49-55 : Vehicle System
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* bit 56-59 : Vehicle System Instance
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* bit 60-62 : Industry Group
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* bit 63 : Arbitrary Address Capable
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*/
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typedef __u64 name_t;
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/* J1939 socket options */
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#define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J1939)
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enum {
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SO_J1939_FILTER = 1, /* set filters */
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SO_J1939_PROMISC = 2, /* set/clr promiscuous mode */
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SO_J1939_SEND_PRIO = 3,
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SO_J1939_ERRQUEUE = 4,
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};
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enum {
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SCM_J1939_DEST_ADDR = 1,
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SCM_J1939_DEST_NAME = 2,
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SCM_J1939_PRIO = 3,
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SCM_J1939_ERRQUEUE = 4,
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};
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enum {
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J1939_NLA_PAD,
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J1939_NLA_BYTES_ACKED,
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};
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enum {
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J1939_EE_INFO_NONE,
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J1939_EE_INFO_TX_ABORT,
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};
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struct j1939_filter {
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name_t name;
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name_t name_mask;
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pgn_t pgn;
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pgn_t pgn_mask;
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__u8 addr;
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__u8 addr_mask;
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};
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#define J1939_FILTER_MAX 512 /* maximum number of j1939_filter set via setsockopt() */
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#endif /* !_UAPI_CAN_J1939_H_ */
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