| 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 | |