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99 lines
2.2 KiB
99 lines
2.2 KiB
/* 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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