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1/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */2/*3 * j1939.h4 *5 * Copyright (c) 2010-2011 EIA Electronics6 *7 * This program is free software; you can redistribute it and/or modify8 * it under the terms of the GNU General Public License version 2 as9 * published by the Free Software Foundation.10 */11 12#ifndef _UAPI_CAN_J1939_H_13#define _UAPI_CAN_J1939_H_14 15#include <linux/types.h>16#include <linux/socket.h>17#include <linux/can.h>18 19#define J1939_MAX_UNICAST_ADDR 0xfd20#define J1939_IDLE_ADDR 0xfe21#define J1939_NO_ADDR 0xff /* == broadcast or no addr */22#define J1939_NO_NAME 023#define J1939_PGN_REQUEST 0x0ea00 /* Request PG */24#define J1939_PGN_ADDRESS_CLAIMED 0x0ee00 /* Address Claimed */25#define J1939_PGN_ADDRESS_COMMANDED 0x0fed8 /* Commanded Address */26#define J1939_PGN_PDU1_MAX 0x3ff0027#define J1939_PGN_MAX 0x3ffff28#define J1939_NO_PGN 0x4000029 30/* J1939 Parameter Group Number31 *32 * bit 0-7 : PDU Specific (PS)33 * bit 8-15 : PDU Format (PF)34 * bit 16 : Data Page (DP)35 * bit 17 : Reserved (R)36 * bit 19-31 : set to zero37 */38typedef __u32 pgn_t;39 40/* J1939 Priority41 *42 * bit 0-2 : Priority (P)43 * bit 3-7 : set to zero44 */45typedef __u8 priority_t;46 47/* J1939 NAME48 *49 * bit 0-20 : Identity Number50 * bit 21-31 : Manufacturer Code51 * bit 32-34 : ECU Instance52 * bit 35-39 : Function Instance53 * bit 40-47 : Function54 * bit 48 : Reserved55 * bit 49-55 : Vehicle System56 * bit 56-59 : Vehicle System Instance57 * bit 60-62 : Industry Group58 * bit 63 : Arbitrary Address Capable59 */60typedef __u64 name_t;61 62/* J1939 socket options */63#define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J1939)64enum {65 SO_J1939_FILTER = 1, /* set filters */66 SO_J1939_PROMISC = 2, /* set/clr promiscuous mode */67 SO_J1939_SEND_PRIO = 3,68 SO_J1939_ERRQUEUE = 4,69};70 71enum {72 SCM_J1939_DEST_ADDR = 1,73 SCM_J1939_DEST_NAME = 2,74 SCM_J1939_PRIO = 3,75 SCM_J1939_ERRQUEUE = 4,76};77 78enum {79 J1939_NLA_PAD,80 J1939_NLA_BYTES_ACKED,81 J1939_NLA_TOTAL_SIZE,82 J1939_NLA_PGN,83 J1939_NLA_SRC_NAME,84 J1939_NLA_DEST_NAME,85 J1939_NLA_SRC_ADDR,86 J1939_NLA_DEST_ADDR,87};88 89enum {90 J1939_EE_INFO_NONE,91 J1939_EE_INFO_TX_ABORT,92 J1939_EE_INFO_RX_RTS,93 J1939_EE_INFO_RX_DPO,94 J1939_EE_INFO_RX_ABORT,95};96 97struct j1939_filter {98 name_t name;99 name_t name_mask;100 pgn_t pgn;101 pgn_t pgn_mask;102 __u8 addr;103 __u8 addr_mask;104};105 106#define J1939_FILTER_MAX 512 /* maximum number of j1939_filter set via setsockopt() */107 108#endif /* !_UAPI_CAN_J1939_H_ */109