NetBSD/sys/netcan/can_var.h

74 lines
2.6 KiB
C

/* $NetBSD: can_var.h,v 1.3 2022/09/03 02:07:32 thorpej Exp $ */
/*-
* Copyright (c) 2003, 2017 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Robert Swindells and Manuel Bouyer
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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 _NETCAN_CAN_VAR_H_
#define _NETCAN_CAN_VAR_H_
#include <sys/queue.h>
#include <sys/device.h>
#include <netcan/can_link.h>
struct can_ifreq {
char cfr_name[IFNAMSIZ]; /* if name, e.g. "sja0" */
};
#ifdef _KERNEL
#include <sys/socketvar.h>
/*
* common structure for CAN interface drivers. Should be at the start of
* each driver's softc.
*/
struct canif_softc {
device_t csc_dev;
struct can_link_timecaps csc_timecaps; /* timing capabilities */
struct can_link_timings csc_timings; /* operating timing values */
uint32_t csc_linkmodes;
};
extern struct domain candomain;
extern const struct pr_usrreqs can_usrreqs;
void can_ifattach(struct ifnet *);
void can_ifdetach(struct ifnet *);
void can_ifinit_timings(struct canif_softc *);
void can_mbuf_tag_clean(struct mbuf *);
void can_input(struct ifnet *, struct mbuf *);
void *can_ctlinput(int, struct sockaddr *, void *);
int can_ctloutput(int, struct socket *, struct sockopt *);
void can_init(void);
void can_bpf_mtap(struct ifnet *, struct mbuf *, bool);
#endif
#endif