2 * Copyright (c) 1999 Bill Paul <wpaul@ctr.columbia.edu>
3 * Copyright (c) 2012 ADARA Networks, Inc.
6 * Portions of this software were developed by Robert N. M. Watson under
7 * contract to ADARA Networks, Inc.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Bill Paul.
20 * 4. Neither the name of the author nor the names of any co-contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
34 * THE POSSIBILITY OF SUCH DAMAGE.
37 #include <sys/param.h>
38 #include <sys/ioctl.h>
39 #include <sys/socket.h>
40 #include <sys/sockio.h>
45 #include <net/ethernet.h>
47 #include <net/if_vlan_var.h>
48 #include <net/route.h>
61 static const char rcsid[] =
65 #define NOTAG ((u_short) -1)
67 static struct vlanreq params = {
72 getvlan(int s, struct ifreq *ifr, struct vlanreq *vreq)
74 bzero((char *)vreq, sizeof(*vreq));
75 ifr->ifr_data = (caddr_t)vreq;
77 return ioctl(s, SIOCGETVLAN, (caddr_t)ifr);
85 if (getvlan(s, &ifr, &vreq) == -1)
87 printf("\tvlan: %d", vreq.vlr_tag);
88 if (ioctl(s, SIOCGVLANPCP, (caddr_t)&ifr) != -1)
89 printf(" vlanpcp: %u", ifr.ifr_vlan_pcp);
90 printf(" parent interface: %s", vreq.vlr_parent[0] == '\0' ?
91 "<none>" : vreq.vlr_parent);
96 vlan_create(int s, struct ifreq *ifr)
98 if (params.vlr_tag != NOTAG || params.vlr_parent[0] != '\0') {
100 * One or both parameters were specified, make sure both.
102 if (params.vlr_tag == NOTAG)
103 errx(1, "must specify a tag for vlan create");
104 if (params.vlr_parent[0] == '\0')
105 errx(1, "must specify a parent device for vlan create");
106 ifr->ifr_data = (caddr_t) ¶ms;
108 if (ioctl(s, SIOCIFCREATE2, ifr) < 0)
109 err(1, "SIOCIFCREATE2");
113 vlan_cb(int s, void *arg)
115 if ((params.vlr_tag != NOTAG) ^ (params.vlr_parent[0] != '\0'))
116 errx(1, "both vlan and vlandev must be specified");
120 vlan_set(int s, struct ifreq *ifr)
122 if (params.vlr_tag != NOTAG && params.vlr_parent[0] != '\0') {
123 ifr->ifr_data = (caddr_t) ¶ms;
124 if (ioctl(s, SIOCSETVLAN, (caddr_t)ifr) == -1)
125 err(1, "SIOCSETVLAN");
130 DECL_CMD_FUNC(setvlantag, val, d)
136 ul = strtoul(val, &endp, 0);
138 errx(1, "invalid value for vlan");
140 /* check if the value can be represented in vlr_tag */
141 if (params.vlr_tag != ul)
142 errx(1, "value for vlan out of range");
144 if (getvlan(s, &ifr, &vreq) != -1)
149 DECL_CMD_FUNC(setvlandev, val, d)
153 strlcpy(params.vlr_parent, val, sizeof(params.vlr_parent));
155 if (getvlan(s, &ifr, &vreq) != -1)
160 DECL_CMD_FUNC(setvlanpcp, val, d)
165 ul = strtoul(val, &endp, 0);
167 errx(1, "invalid value for vlanpcp");
169 errx(1, "value for vlanpcp out of range");
170 ifr.ifr_vlan_pcp = ul;
171 if (ioctl(s, SIOCSVLANPCP, (caddr_t)&ifr) == -1)
172 err(1, "SIOCSVLANPCP");
176 DECL_CMD_FUNC(unsetvlandev, val, d)
180 bzero((char *)&vreq, sizeof(struct vlanreq));
181 ifr.ifr_data = (caddr_t)&vreq;
183 if (ioctl(s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
184 err(1, "SIOCGETVLAN");
186 bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent));
189 if (ioctl(s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
190 err(1, "SIOCSETVLAN");
193 static struct cmd vlan_cmds[] = {
194 DEF_CLONE_CMD_ARG("vlan", setvlantag),
195 DEF_CLONE_CMD_ARG("vlandev", setvlandev),
196 DEF_CMD_ARG("vlanpcp", setvlanpcp),
197 /* NB: non-clone cmds */
198 DEF_CMD_ARG("vlan", setvlantag),
199 DEF_CMD_ARG("vlandev", setvlandev),
200 /* XXX For compatibility. Should become DEF_CMD() some day. */
201 DEF_CMD_OPTARG("-vlandev", unsetvlandev),
202 DEF_CMD("vlanmtu", IFCAP_VLAN_MTU, setifcap),
203 DEF_CMD("-vlanmtu", -IFCAP_VLAN_MTU, setifcap),
204 DEF_CMD("vlanhwtag", IFCAP_VLAN_HWTAGGING, setifcap),
205 DEF_CMD("-vlanhwtag", -IFCAP_VLAN_HWTAGGING, setifcap),
206 DEF_CMD("vlanhwfilter", IFCAP_VLAN_HWFILTER, setifcap),
207 DEF_CMD("-vlanhwfilter", -IFCAP_VLAN_HWFILTER, setifcap),
208 DEF_CMD("-vlanhwtso", -IFCAP_VLAN_HWTSO, setifcap),
209 DEF_CMD("vlanhwtso", IFCAP_VLAN_HWTSO, setifcap),
210 DEF_CMD("vlanhwcsum", IFCAP_VLAN_HWCSUM, setifcap),
211 DEF_CMD("-vlanhwcsum", -IFCAP_VLAN_HWCSUM, setifcap),
213 static struct afswtch af_vlan = {
214 .af_name = "af_vlan",
216 .af_other_status = vlan_status,
219 static __constructor void
224 for (i = 0; i < nitems(vlan_cmds); i++)
225 cmd_register(&vlan_cmds[i]);
226 af_register(&af_vlan);
227 callback_register(vlan_cb, NULL);
228 clone_setdefcallback("vlan", vlan_create);