net_stub.c revision 1.10 
1/*	$NetBSD: net_stub.c,v 1.10 2010/12/08 18:06:58 pooka Exp $	*/
2
3/*
4 * Copyright (c) 2008 Antti Kantee.  All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: net_stub.c,v 1.10 2010/12/08 18:06:58 pooka Exp $");
30
31#include <sys/param.h>
32#include <sys/protosw.h>
33#include <sys/socketvar.h>
34
35#include <net/if.h>
36#include <net/route.h>
37
38#include <compat/sys/socket.h>
39#include <compat/sys/sockio.h>
40
41int __rumpnet_stub(void);
42int
43__rumpnet_stub(void)
44{
45
46	panic("component not available");
47}
48__weak_alias(rtioctl,__rumpnet_stub);
49__weak_alias(rt_walktree,__rumpnet_stub);
50__weak_alias(rtrequest,__rumpnet_stub);
51__weak_alias(ifioctl,__rumpnet_stub);
52__weak_alias(ifunit,__rumpnet_stub);
53__weak_alias(ifreq_setaddr,__rumpnet_stub);
54__weak_alias(rt_msg1,__rumpnet_stub);
55__weak_alias(route_enqueue,__rumpnet_stub);
56__weak_alias(route_cb,__rumpnet_stub);
57
58/*
59 * Weak symbols so that we can optionally leave components out.
60 * (would be better to fix sys/net* to be more modular, though)
61 */
62
63/* bridge */
64__weak_alias(bridge_ifdetach,__rumpnet_stub);
65__weak_alias(bridge_output,__rumpnet_stub);
66__weak_alias(bridge_input,__rumpnet_stub);
67
68struct ifnet_head ifnet;
69
70u_long
71compat_cvtcmd(u_long cmd)
72{
73
74	return cmd;
75}
76
77int
78compat_ifconf(u_long cmd, void *data)
79{
80
81	return EOPNOTSUPP;
82}
83
84int
85compat_ifioctl(struct socket *so, u_long ocmd, u_long cmd, void *data,
86	struct lwp *l)
87{
88	struct ifreq *ifr = data;
89	struct ifnet *ifp = ifunit(ifr->ifr_name);
90
91	if (!ifp)
92		return ENXIO;
93
94	return (*so->so_proto->pr_usrreq)(so, PRU_CONTROL,
95	    (struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)ifp, l);
96}
97