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Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

j1939.h (2403B)

    

  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.  */
  12. #ifndef _CAN_J1939_H_
  13. #define _CAN_J1939_H_
  15. #include <linux/types.h>
  16. #include <linux/socket.h>
  17. #include <linux/can.h>
  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
  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.  */
  38. typedef __u32 pgn_t;
  40. /* J1939 Priority
  41.  *
  42.  * bit 0-2	: Priority (P)
  43.  * bit 3-7	: set to zero
  44.  */
  45. typedef __u8 priority_t;
  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.  */
  60. typedef __u64 name_t;
  62. /* J1939 socket options */
  63. #define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J1939)
  64. enum {
  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. };
  71. enum {
  72. 	SCM_J1939_DEST_ADDR = 1,
  73. 	SCM_J1939_DEST_NAME = 2,
  74. 	SCM_J1939_PRIO = 3,
  75. 	SCM_J1939_ERRQUEUE = 4,
  76. };
  78. enum {
  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. };
  89. enum {
  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. };
  97. struct 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. };
  106. #define J1939_FILTER_MAX 512 /* maximum number of j1939_filter set via setsockopt() */
  108. #endif /* !_UAPI_CAN_J1939_H_ */