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- /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
- /*
- * j1939.h
- *
- * Copyright (c) 2010-2011 EIA Electronics
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #ifndef _UAPI_CAN_J1939_H_
- #define _UAPI_CAN_J1939_H_
- #include <linux/types.h>
- #include <linux/socket.h>
- #include <linux/can.h>
- #define J1939_IDLE_ADDR 0xfe
- #define J1939_NO_ADDR 0xff
- #define J1939_NO_NAME 0
- #define J1939_NO_PGN 0x40000
- /* J1939 Parameter Group Number
- *
- * bit 0-7 : PDU Specific (PS)
- * bit 8-15 : PDU Format (PF)
- * bit 16 : Data Page (DP)
- * bit 17 : Reserved (R)
- * bit 19-31 : set to zero
- */
- typedef __u32 pgn_t;
- /* J1939 Priority
- *
- * bit 0-2 : Priority (P)
- * bit 3-7 : set to zero
- */
- typedef __u8 priority_t;
- /* J1939 NAME
- *
- * bit 0-20 : Identity Number
- * bit 21-31 : Manufacturer Code
- * bit 32-34 : ECU Instance
- * bit 35-39 : Function Instance
- * bit 40-47 : Function
- * bit 48 : Reserved
- * bit 49-55 : Vehicle System
- * bit 56-59 : Vehicle System Instance
- * bit 60-62 : Industry Group
- * bit 63 : Arbitrary Address Capable
- */
- typedef __u64 name_t;
- /* J1939 socket options */
- #define SOL_CAN_J1939 (SOL_CAN_BASE + CAN_J1939)
- enum {
- SO_J1939_FILTER = 1, /* set filters */
- SO_J1939_PROMISC = 2, /* set/clr promiscuous mode */
- SO_J1939_RECV_OWN = 3,
- SO_J1939_SEND_PRIO = 4,
- };
- enum {
- SCM_J1939_DEST_ADDR = 1,
- SCM_J1939_DEST_NAME = 2,
- SCM_J1939_PRIO = 3,
- };
- struct j1939_filter {
- name_t name;
- name_t name_mask;
- __u8 addr;
- __u8 addr_mask;
- pgn_t pgn;
- pgn_t pgn_mask;
- };
- #define J1939_FILTER_MAX 512 /* maximum number of j1939_filter set via setsockopt() */
- #endif /* !_UAPI_CAN_J1939_H_ */
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