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net_stub.c revision 1.11 
      1 /*	$NetBSD: net_stub.c,v 1.11 2010/12/08 20:20:52 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 1.11 2010/12/08 20:20:52 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 
     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_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 
     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