2 * Copyright (c) 2008 Andrew Thompson. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
17 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
22 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
27 static const char rcsid[] =
31 #include <sys/param.h>
32 #include <sys/ioctl.h>
33 #include <sys/socket.h>
34 #include <sys/sockio.h>
39 #include <net/ethernet.h>
41 #include <net/if_gre.h>
42 #include <net/route.h>
54 static void gre_status(int s);
61 ifr.ifr_data = (caddr_t)&grekey;
62 if (ioctl(s, GREGKEY, &ifr) == 0)
64 printf("\tgrekey: %d\n", grekey);
68 setifgrekey(const char *val, int dummy __unused, int s,
69 const struct afswtch *afp)
71 uint32_t grekey = atol(val);
73 strncpy(ifr.ifr_name, name, sizeof (ifr.ifr_name));
74 ifr.ifr_data = (caddr_t)&grekey;
75 if (ioctl(s, GRESKEY, (caddr_t)&ifr) < 0)
76 warn("ioctl (set grekey)");
79 static struct cmd gre_cmds[] = {
80 DEF_CMD_ARG("grekey", setifgrekey),
82 static struct afswtch af_gre = {
85 .af_other_status = gre_status,
88 static __constructor void
93 for (i = 0; i < nitems(gre_cmds); i++)
94 cmd_register(&gre_cmds[i]);