raw.h (3617B)
- /* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR BSD-3-Clause) */
- /*
- * linux/can/raw.h
- *
- * Definitions for raw CAN sockets
- *
- * Authors: Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
- * Urs Thuermann <urs.thuermann@volkswagen.de>
- * Copyright (c) 2002-2007 Volkswagen Group Electronic Research
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Volkswagen nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * Alternatively, provided that this notice is retained in full, this
- * software may be distributed under the terms of the GNU General
- * Public License ("GPL") version 2, in which case the provisions of the
- * GPL apply INSTEAD OF those given above.
- *
- * The provided data structures and external interfaces from this code
- * are not restricted to be used by modules with a GPL compatible license.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- */
- #ifndef _CAN_RAW_H
- #define _CAN_RAW_H
- #include <linux/can.h>
- #define SOL_CAN_RAW (SOL_CAN_BASE + CAN_RAW)
- #define CAN_RAW_FILTER_MAX 512 /* maximum number of can_filter set via setsockopt() */
- enum {
- SCM_CAN_RAW_ERRQUEUE = 1,
- };
- /* for socket options affecting the socket (not the global system) */
- enum {
- CAN_RAW_FILTER = 1, /* set 0 .. n can_filter(s) */
- CAN_RAW_ERR_FILTER, /* set filter for error frames */
- CAN_RAW_LOOPBACK, /* local loopback (default:on) */
- CAN_RAW_RECV_OWN_MSGS, /* receive my own msgs (default:off) */
- CAN_RAW_FD_FRAMES, /* allow CAN FD frames (default:off) */
- CAN_RAW_JOIN_FILTERS, /* all filters must match to trigger */
- CAN_RAW_XL_FRAMES, /* allow CAN XL frames (default:off) */
- CAN_RAW_XL_VCID_OPTS, /* CAN XL VCID configuration options */
- };
- /* configuration for CAN XL virtual CAN identifier (VCID) handling */
- struct can_raw_vcid_options {
- __u8 flags; /* flags for vcid (filter) behaviour */
- __u8 tx_vcid; /* VCID value set into canxl_frame.prio */
- __u8 rx_vcid; /* VCID value for VCID filter */
- __u8 rx_vcid_mask; /* VCID mask for VCID filter */
- };
- /* can_raw_vcid_options.flags for CAN XL virtual CAN identifier handling */
- #define CAN_RAW_XL_VCID_TX_SET 0x01
- #define CAN_RAW_XL_VCID_TX_PASS 0x02
- #define CAN_RAW_XL_VCID_RX_FILTER 0x04
- #endif /* !_UAPI_CAN_RAW_H */