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.
33 #include <sys/param.h>
34 #include <sys/ioctl.h>
35 #include <sys/socket.h>
36 #include <sys/sockio.h>
41 #include <net/ethernet.h>
43 #include <net/if_vlan_var.h>
44 #include <net/route.h>
57 static const char rcsid[] =
61 #define NOTAG ((u_short) -1)
63 static struct vlanreq params = {
68 getvlan(int s, struct ifreq *ifr, struct vlanreq *vreq)
70 bzero((char *)vreq, sizeof(*vreq));
71 ifr->ifr_data = (caddr_t)vreq;
73 return ioctl(s, SIOCGETVLAN, (caddr_t)ifr);
81 if (getvlan(s, &ifr, &vreq) != -1)
82 printf("\tvlan: %d parent interface: %s\n",
83 vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ?
84 "<none>" : vreq.vlr_parent);
88 vlan_create(int s, struct ifreq *ifr)
90 if (params.vlr_tag != NOTAG || params.vlr_parent[0] != '\0') {
92 * One or both parameters were specified, make sure both.
94 if (params.vlr_tag == NOTAG)
95 errx(1, "must specify a tag for vlan create");
96 if (params.vlr_parent[0] == '\0')
97 errx(1, "must specify a parent device for vlan create");
98 ifr->ifr_data = (caddr_t) ¶ms;
100 if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
101 err(1, "SIOCIFCREATE2");
105 vlan_cb(int s, void *arg)
107 if ((params.vlr_tag != NOTAG) ^ (params.vlr_parent[0] != '\0'))
108 errx(1, "both vlan and vlandev must be specified");
112 vlan_set(int s, struct ifreq *ifr)
114 if (params.vlr_tag != NOTAG && params.vlr_parent[0] != '\0') {
115 ifr->ifr_data = (caddr_t) ¶ms;
116 if (ioctl(s, SIOCSETVLAN, (caddr_t)ifr) == -1)
117 err(1, "SIOCSETVLAN");
122 DECL_CMD_FUNC(setvlantag, val, d)
128 ul = strtoul(val, &endp, 0);
130 errx(1, "invalid value for vlan");
132 /* check if the value can be represented in vlr_tag */
133 if (params.vlr_tag != ul)
134 errx(1, "value for vlan out of range");
136 if (getvlan(s, &ifr, &vreq) != -1)
141 DECL_CMD_FUNC(setvlandev, val, d)
145 strlcpy(params.vlr_parent, val, sizeof(params.vlr_parent));
147 if (getvlan(s, &ifr, &vreq) != -1)
152 DECL_CMD_FUNC(unsetvlandev, val, d)
156 bzero((char *)&vreq, sizeof(struct vlanreq));
157 ifr.ifr_data = (caddr_t)&vreq;
159 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
160 err(1, "SIOCGETVLAN");
162 bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent));
165 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
166 err(1, "SIOCSETVLAN");
169 static struct cmd vlan_cmds[] = {
170 DEF_CLONE_CMD_ARG("vlan", setvlantag),
171 DEF_CLONE_CMD_ARG("vlandev", setvlandev),
172 /* NB: non-clone cmds */
173 DEF_CMD_ARG("vlan", setvlantag),
174 DEF_CMD_ARG("vlandev", setvlandev),
175 /* XXX For compatibility. Should become DEF_CMD() some day. */
176 DEF_CMD_OPTARG("-vlandev", unsetvlandev),
177 DEF_CMD("vlanmtu", IFCAP_VLAN_MTU, setifcap),
178 DEF_CMD("-vlanmtu", -IFCAP_VLAN_MTU, setifcap),
179 DEF_CMD("vlanhwtag", IFCAP_VLAN_HWTAGGING, setifcap),
180 DEF_CMD("-vlanhwtag", -IFCAP_VLAN_HWTAGGING, setifcap),
181 DEF_CMD("vlanhwfilter", IFCAP_VLAN_HWFILTER, setifcap),
182 DEF_CMD("-vlanhwfilter", -IFCAP_VLAN_HWFILTER, setifcap),
183 DEF_CMD("-vlanhwtso", -IFCAP_VLAN_HWTSO, setifcap),
184 DEF_CMD("vlanhwtso", IFCAP_VLAN_HWTSO, setifcap),
185 DEF_CMD("vlanhwcsum", IFCAP_VLAN_HWCSUM, setifcap),
186 DEF_CMD("-vlanhwcsum", -IFCAP_VLAN_HWCSUM, setifcap),
188 static struct afswtch af_vlan = {
189 .af_name = "af_vlan",
191 .af_other_status = vlan_status,
194 static __constructor void
199 for (i = 0; i < nitems(vlan_cmds); i++)
200 cmd_register(&vlan_cmds[i]);
201 af_register(&af_vlan);
202 callback_register(vlan_cb, NULL);
203 clone_setdefcallback("vlan", vlan_create);