1 /* SPDX-License-Identifier: GPL-2.0-only WITH 1 /* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
2 /* 2 /*
3 * j1939.h 3 * j1939.h
4 * 4 *
5 * Copyright (c) 2010-2011 EIA Electronics 5 * Copyright (c) 2010-2011 EIA Electronics
6 * 6 *
7 * This program is free software; you can redi 7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Publi 8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation. 9 * published by the Free Software Foundation.
10 */ 10 */
11 11
12 #ifndef _UAPI_CAN_J1939_H_ 12 #ifndef _UAPI_CAN_J1939_H_
13 #define _UAPI_CAN_J1939_H_ 13 #define _UAPI_CAN_J1939_H_
14 14
15 #include <linux/types.h> 15 #include <linux/types.h>
16 #include <linux/socket.h> 16 #include <linux/socket.h>
17 #include <linux/can.h> 17 #include <linux/can.h>
18 18
19 #define J1939_MAX_UNICAST_ADDR 0xfd 19 #define J1939_MAX_UNICAST_ADDR 0xfd
20 #define J1939_IDLE_ADDR 0xfe 20 #define J1939_IDLE_ADDR 0xfe
21 #define J1939_NO_ADDR 0xff /* == 21 #define J1939_NO_ADDR 0xff /* == broadcast or no addr */
22 #define J1939_NO_NAME 0 22 #define J1939_NO_NAME 0
23 #define J1939_PGN_REQUEST 0x0ea00 23 #define J1939_PGN_REQUEST 0x0ea00 /* Request PG */
24 #define J1939_PGN_ADDRESS_CLAIMED 0x0ee00 24 #define J1939_PGN_ADDRESS_CLAIMED 0x0ee00 /* Address Claimed */
25 #define J1939_PGN_ADDRESS_COMMANDED 0x0fed8 25 #define J1939_PGN_ADDRESS_COMMANDED 0x0fed8 /* Commanded Address */
26 #define J1939_PGN_PDU1_MAX 0x3ff00 26 #define J1939_PGN_PDU1_MAX 0x3ff00
27 #define J1939_PGN_MAX 0x3ffff 27 #define J1939_PGN_MAX 0x3ffff
28 #define J1939_NO_PGN 0x40000 28 #define J1939_NO_PGN 0x40000
29 29
30 /* J1939 Parameter Group Number 30 /* J1939 Parameter Group Number
31 * 31 *
32 * bit 0-7 : PDU Specific (PS) 32 * bit 0-7 : PDU Specific (PS)
33 * bit 8-15 : PDU Format (PF) 33 * bit 8-15 : PDU Format (PF)
34 * bit 16 : Data Page (DP) 34 * bit 16 : Data Page (DP)
35 * bit 17 : Reserved (R) 35 * bit 17 : Reserved (R)
36 * bit 19-31 : set to zero 36 * bit 19-31 : set to zero
37 */ 37 */
38 typedef __u32 pgn_t; 38 typedef __u32 pgn_t;
39 39
40 /* J1939 Priority 40 /* J1939 Priority
41 * 41 *
42 * bit 0-2 : Priority (P) 42 * bit 0-2 : Priority (P)
43 * bit 3-7 : set to zero 43 * bit 3-7 : set to zero
44 */ 44 */
45 typedef __u8 priority_t; 45 typedef __u8 priority_t;
46 46
47 /* J1939 NAME 47 /* J1939 NAME
48 * 48 *
49 * bit 0-20 : Identity Number 49 * bit 0-20 : Identity Number
50 * bit 21-31 : Manufacturer Code 50 * bit 21-31 : Manufacturer Code
51 * bit 32-34 : ECU Instance 51 * bit 32-34 : ECU Instance
52 * bit 35-39 : Function Instance 52 * bit 35-39 : Function Instance
53 * bit 40-47 : Function 53 * bit 40-47 : Function
54 * bit 48 : Reserved 54 * bit 48 : Reserved
55 * bit 49-55 : Vehicle System 55 * bit 49-55 : Vehicle System
56 * bit 56-59 : Vehicle System Instance 56 * bit 56-59 : Vehicle System Instance
57 * bit 60-62 : Industry Group 57 * bit 60-62 : Industry Group
58 * bit 63 : Arbitrary Address Capable 58 * bit 63 : Arbitrary Address Capable
59 */ 59 */
60 typedef __u64 name_t; 60 typedef __u64 name_t;
61 61
62 /* J1939 socket options */ 62 /* J1939 socket options */
63 #define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J193 63 #define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J1939)
64 enum { 64 enum {
65 SO_J1939_FILTER = 1, /* set filters 65 SO_J1939_FILTER = 1, /* set filters */
66 SO_J1939_PROMISC = 2, /* set/clr pro 66 SO_J1939_PROMISC = 2, /* set/clr promiscuous mode */
67 SO_J1939_SEND_PRIO = 3, 67 SO_J1939_SEND_PRIO = 3,
68 SO_J1939_ERRQUEUE = 4, 68 SO_J1939_ERRQUEUE = 4,
69 }; 69 };
70 70
71 enum { 71 enum {
72 SCM_J1939_DEST_ADDR = 1, 72 SCM_J1939_DEST_ADDR = 1,
73 SCM_J1939_DEST_NAME = 2, 73 SCM_J1939_DEST_NAME = 2,
74 SCM_J1939_PRIO = 3, 74 SCM_J1939_PRIO = 3,
75 SCM_J1939_ERRQUEUE = 4, 75 SCM_J1939_ERRQUEUE = 4,
76 }; 76 };
77 77
78 enum { 78 enum {
79 J1939_NLA_PAD, 79 J1939_NLA_PAD,
80 J1939_NLA_BYTES_ACKED, 80 J1939_NLA_BYTES_ACKED,
81 J1939_NLA_TOTAL_SIZE, 81 J1939_NLA_TOTAL_SIZE,
82 J1939_NLA_PGN, 82 J1939_NLA_PGN,
83 J1939_NLA_SRC_NAME, 83 J1939_NLA_SRC_NAME,
84 J1939_NLA_DEST_NAME, 84 J1939_NLA_DEST_NAME,
85 J1939_NLA_SRC_ADDR, 85 J1939_NLA_SRC_ADDR,
86 J1939_NLA_DEST_ADDR, 86 J1939_NLA_DEST_ADDR,
87 }; 87 };
88 88
89 enum { 89 enum {
90 J1939_EE_INFO_NONE, 90 J1939_EE_INFO_NONE,
91 J1939_EE_INFO_TX_ABORT, 91 J1939_EE_INFO_TX_ABORT,
92 J1939_EE_INFO_RX_RTS, 92 J1939_EE_INFO_RX_RTS,
93 J1939_EE_INFO_RX_DPO, 93 J1939_EE_INFO_RX_DPO,
94 J1939_EE_INFO_RX_ABORT, 94 J1939_EE_INFO_RX_ABORT,
95 }; 95 };
96 96
97 struct j1939_filter { 97 struct j1939_filter {
98 name_t name; 98 name_t name;
99 name_t name_mask; 99 name_t name_mask;
100 pgn_t pgn; 100 pgn_t pgn;
101 pgn_t pgn_mask; 101 pgn_t pgn_mask;
102 __u8 addr; 102 __u8 addr;
103 __u8 addr_mask; 103 __u8 addr_mask;
104 }; 104 };
105 105
106 #define J1939_FILTER_MAX 512 /* maximum number 106 #define J1939_FILTER_MAX 512 /* maximum number of j1939_filter set via setsockopt() */
107 107
108 #endif /* !_UAPI_CAN_J1939_H_ */ 108 #endif /* !_UAPI_CAN_J1939_H_ */
109 109
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