1 /* $NetBSD: rtsock_70.c,v 1.1 2016/09/21 10:50:23 roy Exp $ */ 2 3 /* 4 * Copyright (c) 2016 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Roy Marples. 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: rtsock_70.c,v 1.1 2016/09/21 10:50:23 roy Exp $"); 34 35 #ifdef _KERNEL_OPT 36 #include "opt_compat_netbsd.h" 37 #endif 38 39 #include <sys/mbuf.h> 40 #include <net/if.h> 41 #include <net/route.h> 42 43 #include <compat/net/if.h> 44 #include <compat/net/route.h> 45 46 #if defined(COMPAT_70) 47 void 48 compat_70_rt_newaddrmsg1(int cmd, struct ifaddr *ifa) 49 { 50 struct rt_addrinfo info; 51 const struct sockaddr *sa; 52 struct mbuf *m; 53 struct ifnet *ifp; 54 struct ifa_msghdr70 ifam; 55 int ncmd; 56 57 KASSERT(ifa != NULL); 58 ifp = ifa->ifa_ifp; 59 60 switch (cmd) { 61 case RTM_NEWADDR: 62 ncmd = RTM_ONEWADDR; 63 break; 64 case RTM_DELADDR: 65 ncmd = RTM_ODELADDR; 66 break; 67 case RTM_CHGADDR: 68 ncmd = RTM_OCHGADDR; 69 break; 70 default: 71 panic("%s: called with wrong command", __func__); 72 } 73 74 memset(&info, 0, sizeof(info)); 75 info.rti_info[RTAX_IFA] = sa = ifa->ifa_addr; 76 KASSERT(ifp->if_dl != NULL); 77 info.rti_info[RTAX_IFP] = ifp->if_dl->ifa_addr; 78 info.rti_info[RTAX_NETMASK] = ifa->ifa_netmask; 79 info.rti_info[RTAX_BRD] = ifa->ifa_dstaddr; 80 81 memset(&ifam, 0, sizeof(ifam)); 82 ifam.ifam_index = ifp->if_index; 83 ifam.ifam_metric = ifa->ifa_metric; 84 ifam.ifam_flags = ifa->ifa_flags; 85 86 m = rt_msg1(ncmd, &info, &ifam, sizeof(ifam)); 87 if (m == NULL) 88 return; 89 90 mtod(m, struct ifa_msghdr70 *)->ifam_addrs = info.rti_addrs; 91 route_enqueue(m, sa ? sa->sa_family : 0); 92 } 93 94 int 95 compat_70_iflist_addr(struct rt_walkarg *w, struct ifaddr *ifa, 96 struct rt_addrinfo *info) 97 { 98 int len, error; 99 100 if ((error = rt_msg3(RTM_ONEWADDR, info, 0, w, &len))) 101 return error; 102 if (w->w_where && w->w_tmem && w->w_needed <= 0) { 103 struct ifa_msghdr70 *ifam; 104 105 ifam = (struct ifa_msghdr70 *)w->w_tmem; 106 ifam->ifam_index = ifa->ifa_ifp->if_index; 107 ifam->ifam_flags = ifa->ifa_flags; 108 ifam->ifam_metric = ifa->ifa_metric; 109 ifam->ifam_addrs = info->rti_addrs; 110 if ((error = copyout(w->w_tmem, w->w_where, len)) == 0) 111 w->w_where = (char *)w->w_where + len; 112 } 113 return error; 114 } 115 #endif /* COMPAT_70 */ 116