1 /* $NetBSD: can_proto.c,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 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: can_proto.c,v 1.3 2022/09/03 02:07:32 thorpej Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/socket.h> 37 #include <sys/protosw.h> 38 #include <sys/domain.h> 39 #include <sys/mbuf.h> 40 41 #include <net/if.h> 42 #include <net/radix.h> 43 #include <net/route.h> 44 45 /* 46 * CAN protocol family 47 */ 48 #include <netcan/can.h> 49 #include <netcan/can_var.h> 50 51 DOMAIN_DEFINE(candomain); /* forward declare and add to link set */ 52 53 const struct protosw cansw[] = { 54 { 55 .pr_type = SOCK_RAW, 56 .pr_domain = &candomain, 57 .pr_init = can_init, 58 .pr_flags = PR_ATOMIC|PR_ADDR, 59 .pr_usrreqs = &can_usrreqs, 60 .pr_ctloutput = &can_ctloutput, 61 } 62 }; 63 64 struct domain candomain = { 65 .dom_family = PF_CAN, 66 .dom_name = "can", 67 .dom_init = can_init, 68 .dom_externalize = NULL, .dom_dispose = NULL, 69 .dom_protosw = cansw, 70 .dom_protoswNPROTOSW = &cansw[__arraycount(cansw)], 71 .dom_link = { NULL }, 72 .dom_mowner = MOWNER_INIT("",""), 73 .dom_sa_cmpofs = offsetof(struct sockaddr_can, can_ifindex), 74 .dom_sa_cmplen = sizeof(int) 75 }; 76