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