3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
32 * $FreeBSD: src/sbin/ifconfig/ifvlan.c,v 1.7.2.4 2006/02/09 10:48:43 yar Exp $
35 #include <sys/param.h>
36 #include <sys/ioctl.h>
37 #include <sys/socket.h>
38 #include <sys/sockio.h>
41 #include <net/if_var.h>
42 #include <net/route.h>
43 #include <net/ethernet.h>
44 #include <net/vlan/if_vlan_var.h>
56 static struct vlanreq __vreq
;
57 static int __have_dev
= 0;
58 static int __have_tag
= 0;
66 memset(&ifr
, 0, sizeof(ifr
));
67 memset(&vreq
, 0, sizeof(vreq
));
69 strlcpy(ifr
.ifr_name
, IfName
, sizeof(ifr
.ifr_name
));
72 if (ioctl(s
, SIOCGETVLAN
, &ifr
) == -1)
75 printf("\tvlan: %d parent interface: %s\n", vreq
.vlr_tag
,
76 vreq
.vlr_parent
[0] == '\0' ? "<none>" : vreq
.vlr_parent
);
80 setvlantag(const char *val
, int d __unused
, int s __unused
,
81 const struct afswtch
*afp __unused
)
86 ul
= strtoul(val
, &endp
, 0);
88 errx(1, "invalid value for vlan");
90 /* check if the value can be represented in vlr_tag */
91 if (__vreq
.vlr_tag
!= ul
)
92 errx(1, "value for vlan out of range");
93 /* the kernel will do more specific checks on vlr_tag */
98 setvlandev(const char *val
, int d __unused
, int s __unused
,
99 const struct afswtch
*afp __unused
)
101 strlcpy(__vreq
.vlr_parent
, val
, sizeof(__vreq
.vlr_parent
));
106 unsetvlandev(const char *val
, int d __unused
, int s
,
107 const struct afswtch
*afp __unused
)
112 warnx("argument to -vlandev is useless and hence deprecated");
114 memset(&ifr
, 0, sizeof(ifr
));
115 memset(&__vreq
, 0, sizeof(__vreq
));
117 strlcpy(ifr
.ifr_name
, IfName
, sizeof(ifr
.ifr_name
));
118 ifr
.ifr_data
= &__vreq
;
120 #if 0 /* this code will be of use when we can alter vlan or vlandev only */
121 if (ioctl(s
, SIOCGETVLAN
, &ifr
) == -1)
122 err(1, "SIOCGETVLAN");
124 memset(&__vreq
.vlr_parent
, 0, sizeof(__vreq
.vlr_parent
));
125 __vreq
.vlr_tag
= 0; /* XXX clear parent only (no kernel support now) */
128 if (ioctl(s
, SIOCSETVLAN
, &ifr
) == -1)
129 err(1, "SIOCSETVLAN");
130 __have_dev
= __have_tag
= 0;
134 vlan_cb(int s
, void *arg __unused
)
138 if (__have_tag
^ __have_dev
)
139 errx(1, "both vlan and vlandev must be specified");
141 if (__have_tag
&& __have_dev
) {
142 memset(&ifr
, 0, sizeof(ifr
));
143 strlcpy(ifr
.ifr_name
, IfName
, sizeof(ifr
.ifr_name
));
144 ifr
.ifr_data
= &__vreq
;
145 if (ioctl(s
, SIOCSETVLAN
, &ifr
) == -1)
146 err(1, "SIOCSETVLAN");
150 static struct cmd vlan_cmds
[] = {
151 DEF_CMD_ARG("vlan", setvlantag
),
152 DEF_CMD_ARG("vlandev", setvlandev
),
153 /* XXX For compatibility. Should become DEF_CMD() some day. */
154 DEF_CMD_OPTARG("-vlandev", unsetvlandev
),
155 DEF_CMD("vlanmtu", IFCAP_VLAN_MTU
, setifcap
),
156 DEF_CMD("-vlanmtu", -IFCAP_VLAN_MTU
, setifcap
),
157 DEF_CMD("vlanhwtag", IFCAP_VLAN_HWTAGGING
, setifcap
),
158 DEF_CMD("-vlanhwtag", -IFCAP_VLAN_HWTAGGING
, setifcap
),
160 static struct afswtch af_vlan
= {
161 .af_name
= "af_vlan",
163 .af_other_status
= vlan_status
,
172 for (i
= 0; i
< nitems(vlan_cmds
); i
++)
173 cmd_register(&vlan_cmds
[i
]);
175 af_register(&af_vlan
);
176 callback_register(vlan_cb
, NULL
);