xref: /freebsd/sbin/ifconfig/ifvlan.c (revision 74b426116181bdef5cc57760345d8270471b4aa8)
1df57947fSPedro F. Giffuni /*-
2df57947fSPedro F. Giffuni  * SPDX-License-Identifier: BSD-4-Clause
3df57947fSPedro F. Giffuni  *
42ccbbd06SMarcelo Araujo  * Copyright (c) 1999 Bill Paul <wpaul@ctr.columbia.edu>
52ccbbd06SMarcelo Araujo  * Copyright (c) 2012 ADARA Networks, Inc.
62ccbbd06SMarcelo Araujo  * All rights reserved.
72ccbbd06SMarcelo Araujo   *
82ccbbd06SMarcelo Araujo  * Portions of this software were developed by Robert N. M. Watson under
92ccbbd06SMarcelo Araujo  * contract to ADARA Networks, Inc.
1097ed1257SBill Paul  *
1197ed1257SBill Paul  * Redistribution and use in source and binary forms, with or without
1297ed1257SBill Paul  * modification, are permitted provided that the following conditions
1397ed1257SBill Paul  * are met:
1497ed1257SBill Paul  * 1. Redistributions of source code must retain the above copyright
1597ed1257SBill Paul  *    notice, this list of conditions and the following disclaimer.
1697ed1257SBill Paul  * 2. Redistributions in binary form must reproduce the above copyright
1797ed1257SBill Paul  *    notice, this list of conditions and the following disclaimer in the
1897ed1257SBill Paul  *    documentation and/or other materials provided with the distribution.
1997ed1257SBill Paul  * 3. All advertising materials mentioning features or use of this software
2097ed1257SBill Paul  *    must display the following acknowledgement:
2197ed1257SBill Paul  *	This product includes software developed by Bill Paul.
2297ed1257SBill Paul  * 4. Neither the name of the author nor the names of any co-contributors
2397ed1257SBill Paul  *    may be used to endorse or promote products derived from this software
2497ed1257SBill Paul  *    without specific prior written permission.
2597ed1257SBill Paul  *
2697ed1257SBill Paul  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
2797ed1257SBill Paul  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2897ed1257SBill Paul  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2997ed1257SBill Paul  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
3097ed1257SBill Paul  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
3197ed1257SBill Paul  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
3297ed1257SBill Paul  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
3397ed1257SBill Paul  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
3497ed1257SBill Paul  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
3597ed1257SBill Paul  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
3697ed1257SBill Paul  * THE POSSIBILITY OF SUCH DAMAGE.
3797ed1257SBill Paul  */
3897ed1257SBill Paul 
3997ed1257SBill Paul #include <sys/param.h>
4097ed1257SBill Paul #include <sys/ioctl.h>
4197ed1257SBill Paul #include <sys/socket.h>
4297ed1257SBill Paul #include <sys/sockio.h>
4397ed1257SBill Paul 
4497ed1257SBill Paul #include <stdlib.h>
4597ed1257SBill Paul #include <unistd.h>
4697ed1257SBill Paul 
4797ed1257SBill Paul #include <net/ethernet.h>
4897ed1257SBill Paul #include <net/if.h>
4997ed1257SBill Paul #include <net/if_vlan_var.h>
5097ed1257SBill Paul #include <net/route.h>
5197ed1257SBill Paul 
5297ed1257SBill Paul #include <ctype.h>
5397ed1257SBill Paul #include <stdio.h>
5497ed1257SBill Paul #include <string.h>
5597ed1257SBill Paul #include <stdlib.h>
5697ed1257SBill Paul #include <unistd.h>
5797ed1257SBill Paul #include <err.h>
5897ed1257SBill Paul #include <errno.h>
5997ed1257SBill Paul 
6097ed1257SBill Paul #include "ifconfig.h"
6197ed1257SBill Paul 
6297ed1257SBill Paul #ifndef lint
6397ed1257SBill Paul static const char rcsid[] =
647f3dea24SPeter Wemm   "$FreeBSD$";
6597ed1257SBill Paul #endif
6697ed1257SBill Paul 
67db82353dSSam Leffler #define	NOTAG	((u_short) -1)
68db82353dSSam Leffler 
69c7cffd65SAlexander V. Chernikov static const char proto_8021Q[]  = "802.1q";
70c7cffd65SAlexander V. Chernikov static const char proto_8021ad[] = "802.1ad";
71b84d0aaaSAllan Jude static const char proto_qinq[] = "qinq";
72c7cffd65SAlexander V. Chernikov 
73db82353dSSam Leffler static 	struct vlanreq params = {
74db82353dSSam Leffler 	.vlr_tag	= NOTAG,
75c7cffd65SAlexander V. Chernikov 	.vlr_proto	= ETHERTYPE_VLAN,
76db82353dSSam Leffler };
77db82353dSSam Leffler 
78db82353dSSam Leffler static int
79db82353dSSam Leffler getvlan(int s, struct ifreq *ifr, struct vlanreq *vreq)
80db82353dSSam Leffler {
81db82353dSSam Leffler 	bzero((char *)vreq, sizeof(*vreq));
82db82353dSSam Leffler 	ifr->ifr_data = (caddr_t)vreq;
83db82353dSSam Leffler 
84db82353dSSam Leffler 	return ioctl(s, SIOCGETVLAN, (caddr_t)ifr);
85db82353dSSam Leffler }
862fe9aa26SYaroslav Tykhiy 
875faf8dcbSSam Leffler static void
886e3a9d7fSAlexander V. Chernikov vlan_status(if_ctx *ctx)
8997ed1257SBill Paul {
9097ed1257SBill Paul 	struct vlanreq		vreq;
9197ed1257SBill Paul 
926e3a9d7fSAlexander V. Chernikov 	if (getvlan(ctx->io_s, &ifr, &vreq) == -1)
932ccbbd06SMarcelo Araujo 		return;
942ccbbd06SMarcelo Araujo 	printf("\tvlan: %d", vreq.vlr_tag);
95c7cffd65SAlexander V. Chernikov 	printf(" vlanproto: ");
96c7cffd65SAlexander V. Chernikov 	switch (vreq.vlr_proto) {
97c7cffd65SAlexander V. Chernikov 		case ETHERTYPE_VLAN:
98c7cffd65SAlexander V. Chernikov 			printf(proto_8021Q);
99c7cffd65SAlexander V. Chernikov 			break;
100c7cffd65SAlexander V. Chernikov 		case ETHERTYPE_QINQ:
101c7cffd65SAlexander V. Chernikov 			printf(proto_8021ad);
102c7cffd65SAlexander V. Chernikov 			break;
103c7cffd65SAlexander V. Chernikov 		default:
104c7cffd65SAlexander V. Chernikov 			printf("0x%04x", vreq.vlr_proto);
105c7cffd65SAlexander V. Chernikov 	}
1066e3a9d7fSAlexander V. Chernikov 	if (ioctl_ctx(ctx, SIOCGVLANPCP, (caddr_t)&ifr) != -1)
1072ccbbd06SMarcelo Araujo 		printf(" vlanpcp: %u", ifr.ifr_vlan_pcp);
1082ccbbd06SMarcelo Araujo 	printf(" parent interface: %s", vreq.vlr_parent[0] == '\0' ?
10997ed1257SBill Paul 	    "<none>" : vreq.vlr_parent);
1102ccbbd06SMarcelo Araujo 	printf("\n");
11197ed1257SBill Paul }
11297ed1257SBill Paul 
113c7cffd65SAlexander V. Chernikov static int
114c7cffd65SAlexander V. Chernikov vlan_match_ethervid(const char *name)
115c7cffd65SAlexander V. Chernikov {
116c7cffd65SAlexander V. Chernikov 	return (strchr(name, '.') != NULL);
117c7cffd65SAlexander V. Chernikov }
118c7cffd65SAlexander V. Chernikov 
119c7cffd65SAlexander V. Chernikov static void
120c7cffd65SAlexander V. Chernikov vlan_parse_ethervid(const char *name)
121c7cffd65SAlexander V. Chernikov {
122c7cffd65SAlexander V. Chernikov 	char ifname[IFNAMSIZ];
123c7cffd65SAlexander V. Chernikov 	char *cp;
12428b498e6SZhenlei Huang 	unsigned int vid;
125c7cffd65SAlexander V. Chernikov 
126c7cffd65SAlexander V. Chernikov 	strlcpy(ifname, name, IFNAMSIZ);
127c7cffd65SAlexander V. Chernikov 	if ((cp = strrchr(ifname, '.')) == NULL)
128c7cffd65SAlexander V. Chernikov 		return;
129c7cffd65SAlexander V. Chernikov 	/*
130c7cffd65SAlexander V. Chernikov 	 * Derive params from interface name: "parent.vid".
131c7cffd65SAlexander V. Chernikov 	 */
132c7cffd65SAlexander V. Chernikov 	*cp++ = '\0';
133c7cffd65SAlexander V. Chernikov 	if ((*cp < '1') || (*cp > '9'))
134c7cffd65SAlexander V. Chernikov 		errx(1, "invalid vlan tag");
135c7cffd65SAlexander V. Chernikov 
136c7cffd65SAlexander V. Chernikov 	vid = *cp++ - '0';
13728b498e6SZhenlei Huang 	while ((*cp >= '0') && (*cp <= '9')) {
138c7cffd65SAlexander V. Chernikov 		vid = (vid * 10) + (*cp++ - '0');
13928b498e6SZhenlei Huang 		if (vid >= 0xFFF)
14028b498e6SZhenlei Huang 			errx(1, "invalid vlan tag");
14128b498e6SZhenlei Huang 	}
14228b498e6SZhenlei Huang 	if (*cp != '\0')
143c7cffd65SAlexander V. Chernikov 		errx(1, "invalid vlan tag");
144c7cffd65SAlexander V. Chernikov 
145779fd053SAlexander V. Chernikov 	/*
146779fd053SAlexander V. Chernikov 	 * allow "devX.Y vlandev devX vlan Y" syntax
147779fd053SAlexander V. Chernikov 	 */
148779fd053SAlexander V. Chernikov 	if (params.vlr_tag == NOTAG || params.vlr_tag == vid)
149779fd053SAlexander V. Chernikov 		params.vlr_tag = vid;
150779fd053SAlexander V. Chernikov 	else
151779fd053SAlexander V. Chernikov 		errx(1, "ambiguous vlan specification");
152779fd053SAlexander V. Chernikov 
153779fd053SAlexander V. Chernikov 	/* Restrict overriding interface name */
154779fd053SAlexander V. Chernikov 	if (params.vlr_parent[0] == '\0' || !strcmp(params.vlr_parent, ifname))
155c7cffd65SAlexander V. Chernikov 		strlcpy(params.vlr_parent, ifname, IFNAMSIZ);
156779fd053SAlexander V. Chernikov 	else
157779fd053SAlexander V. Chernikov 		errx(1, "ambiguous vlan specification");
158c7cffd65SAlexander V. Chernikov }
159c7cffd65SAlexander V. Chernikov 
1605faf8dcbSSam Leffler static void
161*74b42611SAlexander V. Chernikov vlan_create(if_ctx *ctx, struct ifreq *ifr)
16297ed1257SBill Paul {
163c7cffd65SAlexander V. Chernikov 	vlan_parse_ethervid(ifr->ifr_name);
164c7cffd65SAlexander V. Chernikov 
165db82353dSSam Leffler 	if (params.vlr_tag != NOTAG || params.vlr_parent[0] != '\0') {
166db82353dSSam Leffler 		/*
167db82353dSSam Leffler 		 * One or both parameters were specified, make sure both.
168db82353dSSam Leffler 		 */
169db82353dSSam Leffler 		if (params.vlr_tag == NOTAG)
170db82353dSSam Leffler 			errx(1, "must specify a tag for vlan create");
171db82353dSSam Leffler 		if (params.vlr_parent[0] == '\0')
172db82353dSSam Leffler 			errx(1, "must specify a parent device for vlan create");
173db82353dSSam Leffler 		ifr->ifr_data = (caddr_t) &params;
17497ed1257SBill Paul 	}
175*74b42611SAlexander V. Chernikov 	ifcreate_ioctl(ctx, ifr);
1767fc2ce8aSYaroslav Tykhiy }
17797ed1257SBill Paul 
1787fc2ce8aSYaroslav Tykhiy static void
179*74b42611SAlexander V. Chernikov vlan_cb(if_ctx *ctx __unused, void *arg __unused)
1807fc2ce8aSYaroslav Tykhiy {
181db82353dSSam Leffler 	if ((params.vlr_tag != NOTAG) ^ (params.vlr_parent[0] != '\0'))
1827fc2ce8aSYaroslav Tykhiy 		errx(1, "both vlan and vlandev must be specified");
1832fe9aa26SYaroslav Tykhiy }
1842fe9aa26SYaroslav Tykhiy 
1852fe9aa26SYaroslav Tykhiy static void
186db82353dSSam Leffler vlan_set(int s, struct ifreq *ifr)
1872fe9aa26SYaroslav Tykhiy {
188db82353dSSam Leffler 	if (params.vlr_tag != NOTAG && params.vlr_parent[0] != '\0') {
189db82353dSSam Leffler 		ifr->ifr_data = (caddr_t) &params;
190db82353dSSam Leffler 		if (ioctl(s, SIOCSETVLAN, (caddr_t)ifr) == -1)
1917fc2ce8aSYaroslav Tykhiy 			err(1, "SIOCSETVLAN");
1927fc2ce8aSYaroslav Tykhiy 	}
19397ed1257SBill Paul }
1945faf8dcbSSam Leffler 
1956e3a9d7fSAlexander V. Chernikov static void
1966e3a9d7fSAlexander V. Chernikov setvlantag(if_ctx *ctx, const char *val, int dummy __unused)
197db82353dSSam Leffler {
19867207b69SSam Leffler 	struct vlanreq vreq;
199db82353dSSam Leffler 	u_long ul;
200db82353dSSam Leffler 	char *endp;
201db82353dSSam Leffler 
202db82353dSSam Leffler 	ul = strtoul(val, &endp, 0);
203db82353dSSam Leffler 	if (*endp != '\0')
204db82353dSSam Leffler 		errx(1, "invalid value for vlan");
205db82353dSSam Leffler 	params.vlr_tag = ul;
206db82353dSSam Leffler 	/* check if the value can be represented in vlr_tag */
207db82353dSSam Leffler 	if (params.vlr_tag != ul)
208db82353dSSam Leffler 		errx(1, "value for vlan out of range");
209db82353dSSam Leffler 
2106e3a9d7fSAlexander V. Chernikov 	if (getvlan(ctx->io_s, &ifr, &vreq) != -1) {
211b82b8055SKristof Provost 		vreq.vlr_tag = params.vlr_tag;
212b82b8055SKristof Provost 		memcpy(&params, &vreq, sizeof(params));
2136e3a9d7fSAlexander V. Chernikov 		vlan_set(ctx->io_s, &ifr);
214db82353dSSam Leffler 	}
215b82b8055SKristof Provost }
216db82353dSSam Leffler 
2176e3a9d7fSAlexander V. Chernikov static void
2186e3a9d7fSAlexander V. Chernikov setvlandev(if_ctx *ctx, const char *val, int dummy __unused)
219db82353dSSam Leffler {
220db82353dSSam Leffler 	struct vlanreq vreq;
221db82353dSSam Leffler 
222db82353dSSam Leffler 	strlcpy(params.vlr_parent, val, sizeof(params.vlr_parent));
22367207b69SSam Leffler 
2246e3a9d7fSAlexander V. Chernikov 	if (getvlan(ctx->io_s, &ifr, &vreq) != -1)
2256e3a9d7fSAlexander V. Chernikov 		vlan_set(ctx->io_s, &ifr);
226db82353dSSam Leffler }
227db82353dSSam Leffler 
2286e3a9d7fSAlexander V. Chernikov static void
2296e3a9d7fSAlexander V. Chernikov setvlanproto(if_ctx *ctx, const char *val, int dummy __unused)
230c7cffd65SAlexander V. Chernikov {
231c7cffd65SAlexander V. Chernikov 	struct vlanreq vreq;
232c7cffd65SAlexander V. Chernikov 
233c7cffd65SAlexander V. Chernikov 	if (strncasecmp(proto_8021Q, val,
234c7cffd65SAlexander V. Chernikov 	    strlen(proto_8021Q)) == 0) {
235c7cffd65SAlexander V. Chernikov 		params.vlr_proto = ETHERTYPE_VLAN;
236b84d0aaaSAllan Jude 	} else if ((strncasecmp(proto_8021ad, val, strlen(proto_8021ad)) == 0)
237b84d0aaaSAllan Jude 	    || (strncasecmp(proto_qinq, val, strlen(proto_qinq)) == 0)) {
238c7cffd65SAlexander V. Chernikov 		params.vlr_proto = ETHERTYPE_QINQ;
239c7cffd65SAlexander V. Chernikov 	} else
240c7cffd65SAlexander V. Chernikov 		errx(1, "invalid value for vlanproto");
241c7cffd65SAlexander V. Chernikov 
2426e3a9d7fSAlexander V. Chernikov 	if (getvlan(ctx->io_s, &ifr, &vreq) != -1) {
243b82b8055SKristof Provost 		vreq.vlr_proto = params.vlr_proto;
244b82b8055SKristof Provost 		memcpy(&params, &vreq, sizeof(params));
2456e3a9d7fSAlexander V. Chernikov 		vlan_set(ctx->io_s, &ifr);
246c7cffd65SAlexander V. Chernikov 	}
247b82b8055SKristof Provost }
248c7cffd65SAlexander V. Chernikov 
2496e3a9d7fSAlexander V. Chernikov static void
2506e3a9d7fSAlexander V. Chernikov setvlanpcp(if_ctx *ctx, const char *val, int dummy __unused)
2512ccbbd06SMarcelo Araujo {
2522ccbbd06SMarcelo Araujo 	u_long ul;
2532ccbbd06SMarcelo Araujo 	char *endp;
2542ccbbd06SMarcelo Araujo 
2552ccbbd06SMarcelo Araujo 	ul = strtoul(val, &endp, 0);
2562ccbbd06SMarcelo Araujo 	if (*endp != '\0')
2572ccbbd06SMarcelo Araujo 		errx(1, "invalid value for vlanpcp");
2582ccbbd06SMarcelo Araujo 	if (ul > 7)
2592ccbbd06SMarcelo Araujo 		errx(1, "value for vlanpcp out of range");
2602ccbbd06SMarcelo Araujo 	ifr.ifr_vlan_pcp = ul;
2616e3a9d7fSAlexander V. Chernikov 	if (ioctl(ctx->io_s, SIOCSVLANPCP, (caddr_t)&ifr) == -1)
2622ccbbd06SMarcelo Araujo 		err(1, "SIOCSVLANPCP");
2632ccbbd06SMarcelo Araujo }
2642ccbbd06SMarcelo Araujo 
2656e3a9d7fSAlexander V. Chernikov static void
2660c2beef7SAlexander V. Chernikov unsetvlandev(if_ctx *ctx, const char *val __unused, int dummy __unused)
267db82353dSSam Leffler {
268db82353dSSam Leffler 	struct vlanreq		vreq;
269db82353dSSam Leffler 
270db82353dSSam Leffler 	bzero((char *)&vreq, sizeof(struct vlanreq));
271db82353dSSam Leffler 	ifr.ifr_data = (caddr_t)&vreq;
272db82353dSSam Leffler 
2736e3a9d7fSAlexander V. Chernikov 	if (ioctl(ctx->io_s, SIOCGETVLAN, (caddr_t)&ifr) == -1)
274db82353dSSam Leffler 		err(1, "SIOCGETVLAN");
275db82353dSSam Leffler 
276db82353dSSam Leffler 	bzero((char *)&vreq.vlr_parent, sizeof(vreq.vlr_parent));
277db82353dSSam Leffler 	vreq.vlr_tag = 0;
278db82353dSSam Leffler 
2796e3a9d7fSAlexander V. Chernikov 	if (ioctl(ctx->io_s, SIOCSETVLAN, (caddr_t)&ifr) == -1)
280db82353dSSam Leffler 		err(1, "SIOCSETVLAN");
281db82353dSSam Leffler }
282db82353dSSam Leffler 
2835faf8dcbSSam Leffler static struct cmd vlan_cmds[] = {
28467207b69SSam Leffler 	DEF_CLONE_CMD_ARG("vlan",			setvlantag),
28567207b69SSam Leffler 	DEF_CLONE_CMD_ARG("vlandev",			setvlandev),
286c7cffd65SAlexander V. Chernikov 	DEF_CLONE_CMD_ARG("vlanproto",			setvlanproto),
2872ccbbd06SMarcelo Araujo 	DEF_CMD_ARG("vlanpcp",				setvlanpcp),
28824994b36SSam Leffler 	/* NB: non-clone cmds */
28924994b36SSam Leffler 	DEF_CMD_ARG("vlan",				setvlantag),
29024994b36SSam Leffler 	DEF_CMD_ARG("vlandev",				setvlandev),
291c7cffd65SAlexander V. Chernikov 	DEF_CMD_ARG("vlanproto",			setvlanproto),
292b0dcc11cSYaroslav Tykhiy 	/* XXX For compatibility.  Should become DEF_CMD() some day. */
293b0dcc11cSYaroslav Tykhiy 	DEF_CMD_OPTARG("-vlandev",			unsetvlandev),
2945faf8dcbSSam Leffler 	DEF_CMD("vlanmtu",	IFCAP_VLAN_MTU,		setifcap),
2955faf8dcbSSam Leffler 	DEF_CMD("-vlanmtu",	-IFCAP_VLAN_MTU,	setifcap),
2965faf8dcbSSam Leffler 	DEF_CMD("vlanhwtag",	IFCAP_VLAN_HWTAGGING,	setifcap),
2975faf8dcbSSam Leffler 	DEF_CMD("-vlanhwtag",	-IFCAP_VLAN_HWTAGGING,	setifcap),
298eafbb00dSJack F Vogel 	DEF_CMD("vlanhwfilter",	IFCAP_VLAN_HWFILTER,	setifcap),
299eafbb00dSJack F Vogel 	DEF_CMD("-vlanhwfilter", -IFCAP_VLAN_HWFILTER,	setifcap),
3000f686c0fSPyun YongHyeon 	DEF_CMD("-vlanhwtso",	-IFCAP_VLAN_HWTSO,	setifcap),
3010f686c0fSPyun YongHyeon 	DEF_CMD("vlanhwtso",	IFCAP_VLAN_HWTSO,	setifcap),
3029b776960SBjoern A. Zeeb 	DEF_CMD("vlanhwcsum",	IFCAP_VLAN_HWCSUM,	setifcap),
3039b776960SBjoern A. Zeeb 	DEF_CMD("-vlanhwcsum",	-IFCAP_VLAN_HWCSUM,	setifcap),
3045faf8dcbSSam Leffler };
3055faf8dcbSSam Leffler static struct afswtch af_vlan = {
3065faf8dcbSSam Leffler 	.af_name	= "af_vlan",
3075faf8dcbSSam Leffler 	.af_af		= AF_UNSPEC,
30890c4b74cSSam Leffler 	.af_other_status = vlan_status,
3095faf8dcbSSam Leffler };
3105faf8dcbSSam Leffler 
3115faf8dcbSSam Leffler static __constructor void
3125faf8dcbSSam Leffler vlan_ctor(void)
3135faf8dcbSSam Leffler {
314b59dcaeeSXin LI 	size_t i;
3155faf8dcbSSam Leffler 
316abd71050SEnji Cooper 	for (i = 0; i < nitems(vlan_cmds);  i++)
3175faf8dcbSSam Leffler 		cmd_register(&vlan_cmds[i]);
3185faf8dcbSSam Leffler 	af_register(&af_vlan);
3197fc2ce8aSYaroslav Tykhiy 	callback_register(vlan_cb, NULL);
320c7cffd65SAlexander V. Chernikov 	clone_setdefcallback_prefix("vlan", vlan_create);
321c7cffd65SAlexander V. Chernikov 	clone_setdefcallback_filter(vlan_match_ethervid, vlan_create);
3225faf8dcbSSam Leffler }
323