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)
47void
48compat_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
94int
95compat_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