xref: /netbsd/sys/rump/librump/rumpnet/net_stub.c (revision 6550d01e)
1 /*	$NetBSD: net_stub.c,v 1.12 2011/02/01 01:39:21 matt 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 1.12 2011/02/01 01:39:21 matt 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 
41 int __rumpnet_stub(void);
42 int
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_info,__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 
68 /* agr */
69 __weak_alias(agr_input,__rumpnet_stub);
70 __weak_alias(ieee8023ad_lacp_input,__rumpnet_stub);
71 __weak_alias(ieee8023ad_marker_input,__rumpnet_stub);
72 
73 struct ifnet_head ifnet;
74 
75 u_long
76 compat_cvtcmd(u_long cmd)
77 {
78 
79 	return cmd;
80 }
81 
82 int
83 compat_ifconf(u_long cmd, void *data)
84 {
85 
86 	return EOPNOTSUPP;
87 }
88 
89 int
90 compat_ifioctl(struct socket *so, u_long ocmd, u_long cmd, void *data,
91 	struct lwp *l)
92 {
93 	struct ifreq *ifr = data;
94 	struct ifnet *ifp = ifunit(ifr->ifr_name);
95 
96 	if (!ifp)
97 		return ENXIO;
98 
99 	return (*so->so_proto->pr_usrreq)(so, PRU_CONTROL,
100 	    (struct mbuf *)cmd, (struct mbuf *)data, (struct mbuf *)ifp, l);
101 }
102