1/* $NetBSD: can_var.h,v 1.2 2017/05/27 21:02:56 bouyer Exp $ */
2
3/*-
4 * Copyright (c) 2003, 2017 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Robert Swindells and Manuel Bouyer
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _NETCAN_CAN_VAR_H_
33#define _NETCAN_CAN_VAR_H_
34
35#include <sys/queue.h>
36#include <sys/device.h>
37#include <netcan/can_link.h>
38
39struct can_ifreq {
40 char cfr_name[IFNAMSIZ]; /* if name, e.g. "sja0" */
41};
42
43#ifdef _KERNEL
44#include <sys/socketvar.h>
45
46/*
47 * common structure for CAN interface drivers. Should be at the start of
48 * each driver's softc.
49 */
50struct canif_softc {
51 device_t csc_dev;
52 struct can_link_timecaps csc_timecaps; /* timing capabilities */
53 struct can_link_timings csc_timings; /* operating timing values */
54 uint32_t csc_linkmodes;
55};
56
57extern struct ifqueue canintrq;
58extern struct domain candomain;
59
60extern const struct pr_usrreqs can_usrreqs;
61
62void can_ifattach(struct ifnet *);
63void can_ifdetach(struct ifnet *);
64void can_ifinit_timings(struct canif_softc *);
65void can_mbuf_tag_clean(struct mbuf *);
66void can_input(struct ifnet *, struct mbuf *);
67void *can_ctlinput(int, struct sockaddr *, void *);
68int can_ctloutput(int, struct socket *, struct sockopt *);
69void can_init(void);
70void canintr(void);
71void can_bpf_mtap(struct ifnet *, struct mbuf *, bool);
72
73#endif
74
75#endif
76