cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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j1939.h (2413B)

      1/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
      2/*
      3 * j1939.h
      4 *
      5 * Copyright (c) 2010-2011 EIA Electronics
      6 *
      7 * This program is free software; you can redistribute it and/or modify
      8 * it under the terms of the GNU General Public License version 2 as
      9 * 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 0xfd
     20#define J1939_IDLE_ADDR 0xfe
     21#define J1939_NO_ADDR 0xff		/* == broadcast or no addr */
     22#define J1939_NO_NAME 0
     23#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 0x3ff00
     27#define J1939_PGN_MAX 0x3ffff
     28#define J1939_NO_PGN 0x40000
     29
     30/* J1939 Parameter Group Number
     31 *
     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 zero
     37 */
     38typedef __u32 pgn_t;
     39
     40/* J1939 Priority
     41 *
     42 * bit 0-2	: Priority (P)
     43 * bit 3-7	: set to zero
     44 */
     45typedef __u8 priority_t;
     46
     47/* J1939 NAME
     48 *
     49 * bit 0-20	: Identity Number
     50 * bit 21-31	: Manufacturer Code
     51 * bit 32-34	: ECU Instance
     52 * bit 35-39	: Function Instance
     53 * bit 40-47	: Function
     54 * bit 48	: Reserved
     55 * bit 49-55	: Vehicle System
     56 * bit 56-59	: Vehicle System Instance
     57 * bit 60-62	: Industry Group
     58 * bit 63	: Arbitrary Address Capable
     59 */
     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_ */