1 /* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR BSD-3-Clause) */ 2 /* 3 * linux/can/raw.h 4 * 5 * Definitions for raw CAN sockets 6 * 7 * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de> 8 * Urs Thuermann <urs.thuermann@volkswagen.de> 9 * Copyright (c) 2002-2007 Volkswagen Group Electronic Research 10 * All rights reserved. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of Volkswagen nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * Alternatively, provided that this notice is retained in full, this 25 * software may be distributed under the terms of the GNU General 26 * Public License ("GPL") version 2, in which case the provisions of the 27 * GPL apply INSTEAD OF those given above. 28 * 29 * The provided data structures and external interfaces from this code 30 * are not restricted to be used by modules with a GPL compatible license. 31 * 32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 35 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 36 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 37 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 38 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 39 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 40 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 41 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 42 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 43 * DAMAGE. 44 */ 45 46 #ifndef _UAPI_CAN_RAW_H 47 #define _UAPI_CAN_RAW_H 48 49 #include <linux/can.h> 50 51 #define SOL_CAN_RAW (SOL_CAN_BASE + CAN_RAW) 52 #define CAN_RAW_FILTER_MAX 512 /* maximum number of can_filter set via setsockopt() */ 53 54 enum { 55 SCM_CAN_RAW_ERRQUEUE = 1, 56 }; 57 58 /* for socket options affecting the socket (not the global system) */ 59 60 enum { 61 CAN_RAW_FILTER = 1, /* set 0 .. n can_filter(s) */ 62 CAN_RAW_ERR_FILTER, /* set filter for error frames */ 63 CAN_RAW_LOOPBACK, /* local loopback (default:on) */ 64 CAN_RAW_RECV_OWN_MSGS, /* receive my own msgs (default:off) */ 65 CAN_RAW_FD_FRAMES, /* allow CAN FD frames (default:off) */ 66 CAN_RAW_JOIN_FILTERS, /* all filters must match to trigger */ 67 CAN_RAW_XL_FRAMES, /* allow CAN XL frames (default:off) */ 68 CAN_RAW_XL_VCID_OPTS, /* CAN XL VCID configuration options */ 69 }; 70 71 /* configuration for CAN XL virtual CAN identifier (VCID) handling */ 72 struct can_raw_vcid_options { 73 74 __u8 flags; /* flags for vcid (filter) behaviour */ 75 __u8 tx_vcid; /* VCID value set into canxl_frame.prio */ 76 __u8 rx_vcid; /* VCID value for VCID filter */ 77 __u8 rx_vcid_mask; /* VCID mask for VCID filter */ 78 79 }; 80 81 /* can_raw_vcid_options.flags for CAN XL virtual CAN identifier handling */ 82 #define CAN_RAW_XL_VCID_TX_SET 0x01 83 #define CAN_RAW_XL_VCID_TX_PASS 0x02 84 #define CAN_RAW_XL_VCID_RX_FILTER 0x04 85 86 #endif /* !_UAPI_CAN_RAW_H */ 87