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      1 /*	$NetBSD: can_var.h,v 1.3 2022/09/03 02:07:32 thorpej 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 
     39 struct 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  */
     50 struct 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 
     57 extern struct domain candomain;
     58 
     59 extern const struct pr_usrreqs can_usrreqs;
     60 
     61 void can_ifattach(struct ifnet *);
     62 void can_ifdetach(struct ifnet *);
     63 void can_ifinit_timings(struct canif_softc *);
     64 void can_mbuf_tag_clean(struct mbuf *);
     65 void can_input(struct ifnet *, struct mbuf *);
     66 void *can_ctlinput(int, struct sockaddr *, void *);
     67 int can_ctloutput(int, struct socket *, struct sockopt *);
     68 void can_init(void);
     69 void can_bpf_mtap(struct ifnet *, struct mbuf *, bool);
     70 
     71 #endif
     72 
     73 #endif
     74