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_var.h>
44 #include <net/if_vlan_var.h>
45 #include <net/route.h>
58 static const char rcsid[] =
62 #define NOTAG ((u_short) -1)
64 static struct vlanreq params = {
69 getvlan(int s, struct ifreq *ifr, struct vlanreq *vreq)
71 bzero((char *)vreq, sizeof(*vreq));
72 ifr->ifr_data = (caddr_t)vreq;
74 return ioctl(s, SIOCGETVLAN, (caddr_t)ifr);
82 if (getvlan(s, &ifr, &vreq) != -1)
83 printf("\tvlan: %d parent interface: %s\n",
84 vreq.vlr_tag, vreq.vlr_parent[0] == '\0' ?
85 "<none>" : vreq.vlr_parent);
89 vlan_create(int s, struct ifreq *ifr)
91 if (params.vlr_tag != NOTAG || params.vlr_parent[0] != '\0') {
93 * One or both parameters were specified, make sure both.
95 if (params.vlr_tag == NOTAG)
96 errx(1, "must specify a tag for vlan create");
97 if (params.vlr_parent[0] == '\0')
98 errx(1, "must specify a parent device for vlan create");
99 ifr->ifr_data = (caddr_t) ¶ms;
101 if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
102 err(1, "SIOCIFCREATE2");
106 vlan_cb(int s, void *arg)
108 if ((params.vlr_tag != NOTAG) ^ (params.vlr_parent[0] != '\0'))
109 errx(1, "both vlan and vlandev must be specified");
113 vlan_set(int s, struct ifreq *ifr)
115 if (params.vlr_tag != NOTAG && params.vlr_parent[0] != '\0') {
116 ifr->ifr_data = (caddr_t) ¶ms;
117 if (ioctl(s, SIOCSETVLAN, (caddr_t)ifr) == -1)
118 err(1, "SIOCSETVLAN");
123 DECL_CMD_FUNC(setvlantag, val, d)
129 ul = strtoul(val, &endp, 0);
131 errx(1, "invalid value for vlan");
133 /* check if the value can be represented in vlr_tag */
134 if (params.vlr_tag != ul)
135 errx(1, "value for vlan out of range");
137 if (getvlan(s, &ifr, &vreq) != -1)
142 DECL_CMD_FUNC(setvlandev, val, d)
146 strlcpy(params.vlr_parent, val, sizeof(params.vlr_parent));
148 if (getvlan(s, &ifr, &vreq) != -1)
153 DECL_CMD_FUNC(unsetvlandev, val, d)
157 bzero((char *)&vreq, sizeof(struct vlanreq));
158 ifr.ifr_data = (caddr_t)&vreq;
160 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
161 err(1, "SIOCGETVLAN");
163 bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent));
166 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
167 err(1, "SIOCSETVLAN");
170 static struct cmd vlan_cmds[] = {
171 DEF_CLONE_CMD_ARG("vlan", setvlantag),
172 DEF_CLONE_CMD_ARG("vlandev", setvlandev),
173 /* NB: non-clone cmds */
174 DEF_CMD_ARG("vlan", setvlantag),
175 DEF_CMD_ARG("vlandev", setvlandev),
176 /* XXX For compatibility. Should become DEF_CMD() some day. */
177 DEF_CMD_OPTARG("-vlandev", unsetvlandev),
178 DEF_CMD("vlanmtu", IFCAP_VLAN_MTU, setifcap),
179 DEF_CMD("-vlanmtu", -IFCAP_VLAN_MTU, setifcap),
180 DEF_CMD("vlanhwtag", IFCAP_VLAN_HWTAGGING, setifcap),
181 DEF_CMD("-vlanhwtag", -IFCAP_VLAN_HWTAGGING, setifcap),
182 DEF_CMD("vlanhwfilter", IFCAP_VLAN_HWFILTER, setifcap),
183 DEF_CMD("-vlanhwfilter", -IFCAP_VLAN_HWFILTER, setifcap),
184 DEF_CMD("-vlanhwtso", -IFCAP_VLAN_HWTSO, setifcap),
185 DEF_CMD("vlanhwtso", IFCAP_VLAN_HWTSO, setifcap),
186 DEF_CMD("vlanhwcsum", IFCAP_VLAN_HWCSUM, setifcap),
187 DEF_CMD("-vlanhwcsum", -IFCAP_VLAN_HWCSUM, setifcap),
189 static struct afswtch af_vlan = {
190 .af_name = "af_vlan",
192 .af_other_status = vlan_status,
195 static __constructor void
200 for (i = 0; i < nitems(vlan_cmds); i++)
201 cmd_register(&vlan_cmds[i]);
202 af_register(&af_vlan);
203 callback_register(vlan_cb, NULL);
204 clone_setdefcallback("vlan", vlan_create);