xref: /netbsd-src/sys/compat/common/rtsock_50.c (revision 79b06451619b80e121109165e97d91b72df9f262)
1 /*	$NetBSD: rtsock_50.c,v 1.16 2020/01/29 05:47:12 thorpej Exp $	*/
2 
3 /*
4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the project nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 /*
33  * Copyright (c) 1988, 1991, 1993
34  *	The Regents of the University of California.  All rights reserved.
35  *
36  * Redistribution and use in source and binary forms, with or without
37  * modification, are permitted provided that the following conditions
38  * are met:
39  * 1. Redistributions of source code must retain the above copyright
40  *    notice, this list of conditions and the following disclaimer.
41  * 2. Redistributions in binary form must reproduce the above copyright
42  *    notice, this list of conditions and the following disclaimer in the
43  *    documentation and/or other materials provided with the distribution.
44  * 3. Neither the name of the University nor the names of its contributors
45  *    may be used to endorse or promote products derived from this software
46  *    without specific prior written permission.
47  *
48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58  * SUCH DAMAGE.
59  *
60  *	@(#)rtsock.c	8.7 (Berkeley) 10/12/95
61  */
62 
63 #include <sys/cdefs.h>
64 __KERNEL_RCSID(0, "$NetBSD: rtsock_50.c,v 1.16 2020/01/29 05:47:12 thorpej Exp $");
65 
66 #define	COMPAT_RTSOCK	/* Use the COMPATNAME/COMPATCALL macros and the
67 			 * various other compat definitions - see
68 			 * sys/net/rtsock_shared.c for details
69 			 */
70 
71 #include <net/rtsock_shared.c>
72 #include <compat/net/route_50.h>
73 
74 static struct sysctllog *clog;
75 
76 void
compat_50_rt_oifmsg(struct ifnet * ifp)77 compat_50_rt_oifmsg(struct ifnet *ifp)
78 {
79 	struct if_msghdr50 oifm;
80 	struct if_data ifi;
81 	struct mbuf *m;
82 	struct rt_addrinfo info;
83 
84 	if (COMPATNAME(route_info).ri_cb.any_count == 0)
85 		return;
86 	(void)memset(&info, 0, sizeof(info));
87 	(void)memset(&oifm, 0, sizeof(oifm));
88 	if_export_if_data(ifp, &ifi, false);
89 	oifm.ifm_index = ifp->if_index;
90 	oifm.ifm_flags = ifp->if_flags;
91 	oifm.ifm_data.ifi_type = ifi.ifi_type;
92 	oifm.ifm_data.ifi_addrlen = ifi.ifi_addrlen;
93 	oifm.ifm_data.ifi_hdrlen = ifi.ifi_hdrlen;
94 	oifm.ifm_data.ifi_link_state = ifi.ifi_link_state;
95 	oifm.ifm_data.ifi_mtu = ifi.ifi_mtu;
96 	oifm.ifm_data.ifi_metric = ifi.ifi_metric;
97 	oifm.ifm_data.ifi_baudrate = ifi.ifi_baudrate;
98 	oifm.ifm_data.ifi_ipackets = ifi.ifi_ipackets;
99 	oifm.ifm_data.ifi_ierrors = ifi.ifi_ierrors;
100 	oifm.ifm_data.ifi_opackets = ifi.ifi_opackets;
101 	oifm.ifm_data.ifi_oerrors = ifi.ifi_oerrors;
102 	oifm.ifm_data.ifi_collisions = ifi.ifi_collisions;
103 	oifm.ifm_data.ifi_ibytes = ifi.ifi_ibytes;
104 	oifm.ifm_data.ifi_obytes = ifi.ifi_obytes;
105 	oifm.ifm_data.ifi_imcasts = ifi.ifi_imcasts;
106 	oifm.ifm_data.ifi_omcasts = ifi.ifi_omcasts;
107 	oifm.ifm_data.ifi_iqdrops = ifi.ifi_iqdrops;
108 	oifm.ifm_data.ifi_noproto = ifi.ifi_noproto;
109 	TIMESPEC_TO_TIMEVAL(&oifm.ifm_data.ifi_lastchange,
110 	    &ifi.ifi_lastchange);
111 	oifm.ifm_addrs = 0;
112 	m = COMPATNAME(rt_msg1)(RTM_OIFINFO, &info, (void *)&oifm, sizeof(oifm));
113 	if (m == NULL)
114 		return;
115 	COMPATNAME(route_enqueue)(m, 0);
116 }
117 
118 int
compat_50_iflist(struct ifnet * ifp,struct rt_walkarg * w,struct rt_addrinfo * info,size_t len)119 compat_50_iflist(struct ifnet *ifp, struct rt_walkarg *w,
120     struct rt_addrinfo *info, size_t len)
121 {
122 	struct if_msghdr50 *ifm;
123 	struct if_data ifi;
124 	int error;
125 
126 	ifm = (struct if_msghdr50 *)w->w_tmem;
127 	if_export_if_data(ifp, &ifi, false);
128 	ifm->ifm_index = ifp->if_index;
129 	ifm->ifm_flags = ifp->if_flags;
130 	ifm->ifm_data.ifi_type = ifi.ifi_type;
131 	ifm->ifm_data.ifi_addrlen = ifi.ifi_addrlen;
132 	ifm->ifm_data.ifi_hdrlen = ifi.ifi_hdrlen;
133 	ifm->ifm_data.ifi_link_state = ifi.ifi_link_state;
134 	ifm->ifm_data.ifi_mtu = ifi.ifi_mtu;
135 	ifm->ifm_data.ifi_metric = ifi.ifi_metric;
136 	ifm->ifm_data.ifi_baudrate = ifi.ifi_baudrate;
137 	ifm->ifm_data.ifi_ipackets = ifi.ifi_ipackets;
138 	ifm->ifm_data.ifi_ierrors = ifi.ifi_ierrors;
139 	ifm->ifm_data.ifi_opackets = ifi.ifi_opackets;
140 	ifm->ifm_data.ifi_oerrors = ifi.ifi_oerrors;
141 	ifm->ifm_data.ifi_collisions = ifi.ifi_collisions;
142 	ifm->ifm_data.ifi_ibytes = ifi.ifi_ibytes;
143 	ifm->ifm_data.ifi_obytes = ifi.ifi_obytes;
144 	ifm->ifm_data.ifi_imcasts = ifi.ifi_imcasts;
145 	ifm->ifm_data.ifi_omcasts = ifi.ifi_omcasts;
146 	ifm->ifm_data.ifi_iqdrops = ifi.ifi_iqdrops;
147 	ifm->ifm_data.ifi_noproto = ifi.ifi_noproto;
148 	TIMESPEC_TO_TIMEVAL(&ifm->ifm_data.ifi_lastchange,
149 	    &ifi.ifi_lastchange);
150 	ifm->ifm_addrs = info->rti_addrs;
151 	error = copyout(ifm, w->w_where, len);
152 	if (error)
153 		return error;
154 	w->w_where = (char *)w->w_where + len;
155 	return 0;
156 }
157 
158 void
rtsock_50_init(void)159 rtsock_50_init(void)
160 {
161 
162 	MODULE_HOOK_SET(rtsock_iflist_50_hook, compat_50_iflist);
163 	MODULE_HOOK_SET(rtsock_oifmsg_50_hook, compat_50_rt_oifmsg);
164 	MODULE_HOOK_SET(rtsock_rt_missmsg_50_hook, compat_50_rt_missmsg);
165 	MODULE_HOOK_SET(rtsock_rt_ifmsg_50_hook, compat_50_rt_ifmsg);
166 	MODULE_HOOK_SET(rtsock_rt_addrmsg_rt_50_hook, compat_50_rt_addrmsg_rt);
167 	MODULE_HOOK_SET(rtsock_rt_addrmsg_src_50_hook,
168 	    compat_50_rt_addrmsg_src);
169 	MODULE_HOOK_SET(rtsock_rt_addrmsg_50_hook, compat_50_rt_addrmsg);
170 	MODULE_HOOK_SET(rtsock_rt_ifannouncemsg_50_hook,
171 	    compat_50_rt_ifannouncemsg);
172 	MODULE_HOOK_SET(rtsock_rt_ieee80211msg_50_hook,
173 	    compat_50_rt_ieee80211msg);
174 	sysctl_net_route_setup(&clog, PF_OROUTE, "ortable");
175 }
176 
177 void
rtsock_50_fini(void)178 rtsock_50_fini(void)
179 {
180 
181 	sysctl_teardown(&clog);
182 	MODULE_HOOK_UNSET(rtsock_iflist_50_hook);
183 	MODULE_HOOK_UNSET(rtsock_oifmsg_50_hook);
184 	MODULE_HOOK_UNSET(rtsock_rt_missmsg_50_hook);
185 	MODULE_HOOK_UNSET(rtsock_rt_ifmsg_50_hook);
186 	MODULE_HOOK_UNSET(rtsock_rt_addrmsg_rt_50_hook);
187 	MODULE_HOOK_UNSET(rtsock_rt_addrmsg_src_50_hook);
188 	MODULE_HOOK_UNSET(rtsock_rt_addrmsg_50_hook);
189 	MODULE_HOOK_UNSET(rtsock_rt_ifannouncemsg_50_hook);
190 	MODULE_HOOK_UNSET(rtsock_rt_ieee80211msg_50_hook);
191 }
192