/* SPDX-License-Identifier: GPL-2.0-only 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_MAX_UNICAST_ADDR 0xfd #define J1939_IDLE_ADDR 0xfe #define J1939_NO_ADDR 0xff /* == broadcast or no addr */ #define J1939_NO_NAME 0 #define J1939_PGN_REQUEST 0x0ea00 /* Request PG */ #define J1939_PGN_ADDRESS_CLAIMED 0x0ee00 /* Address Claimed */ #define J1939_PGN_ADDRESS_COMMANDED 0x0fed8 /* Commanded Address */ #define J1939_PGN_PDU1_MAX 0x3ff00 #define J1939_PGN_MAX 0x3ffff #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_SEND_PRIO = 3, SO_J1939_ERRQUEUE = 4, }; enum { SCM_J1939_DEST_ADDR = 1, SCM_J1939_DEST_NAME = 2, SCM_J1939_PRIO = 3, SCM_J1939_ERRQUEUE = 4, }; enum { J1939_NLA_PAD, J1939_NLA_BYTES_ACKED, J1939_NLA_TOTAL_SIZE, J1939_NLA_PGN, J1939_NLA_SRC_NAME, J1939_NLA_DEST_NAME, J1939_NLA_SRC_ADDR, J1939_NLA_DEST_ADDR, }; enum { J1939_EE_INFO_NONE, J1939_EE_INFO_TX_ABORT, J1939_EE_INFO_RX_RTS, J1939_EE_INFO_RX_DPO, J1939_EE_INFO_RX_ABORT, }; struct j1939_filter { name_t name; name_t name_mask; pgn_t pgn; pgn_t pgn_mask; __u8 addr; __u8 addr_mask; }; #define J1939_FILTER_MAX 512 /* maximum number of j1939_filter set via setsockopt() */ #endif /* !_UAPI_CAN_J1939_H_ */