xref: /freebsd/sbin/ifconfig/ifbridge.c (revision 3c4ba5f55438f7afd4f4b0b56f88f2bb505fd6a6)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright 2001 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
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 for the NetBSD Project by
20  *	Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #ifndef lint
39 static const char rcsid[] =
40   "$FreeBSD$";
41 #endif /* not lint */
42 
43 #include <sys/param.h>
44 #include <sys/ioctl.h>
45 #include <sys/socket.h>
46 #include <sys/sockio.h>
47 
48 #include <stdlib.h>
49 #include <unistd.h>
50 
51 #include <net/ethernet.h>
52 #include <net/if.h>
53 #include <net/if_bridgevar.h>
54 #include <net/route.h>
55 
56 #include <ctype.h>
57 #include <stdio.h>
58 #include <string.h>
59 #include <stdlib.h>
60 #include <unistd.h>
61 #include <err.h>
62 #include <errno.h>
63 
64 #include <libifconfig.h>
65 
66 #include "ifconfig.h"
67 
68 static const char *stpstates[] = { STP_STATES };
69 static const char *stpproto[] = { STP_PROTOS };
70 static const char *stproles[] = { STP_ROLES };
71 
72 static int
73 get_val(const char *cp, u_long *valp)
74 {
75 	char *endptr;
76 	u_long val;
77 
78 	errno = 0;
79 	val = strtoul(cp, &endptr, 0);
80 	if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE)
81 		return (-1);
82 
83 	*valp = val;
84 	return (0);
85 }
86 
87 static int
88 do_cmd(int sock, u_long op, void *arg, size_t argsize, int set)
89 {
90 	struct ifdrv ifd;
91 
92 	memset(&ifd, 0, sizeof(ifd));
93 
94 	strlcpy(ifd.ifd_name, name, sizeof(ifd.ifd_name));
95 	ifd.ifd_cmd = op;
96 	ifd.ifd_len = argsize;
97 	ifd.ifd_data = arg;
98 
99 	return (ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd));
100 }
101 
102 static void
103 do_bridgeflag(int sock, const char *ifs, int flag, int set)
104 {
105 	struct ifbreq req;
106 
107 	strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname));
108 
109 	if (do_cmd(sock, BRDGGIFFLGS, &req, sizeof(req), 0) < 0)
110 		err(1, "unable to get bridge flags");
111 
112 	if (set)
113 		req.ifbr_ifsflags |= flag;
114 	else
115 		req.ifbr_ifsflags &= ~flag;
116 
117 	if (do_cmd(sock, BRDGSIFFLGS, &req, sizeof(req), 1) < 0)
118 		err(1, "unable to set bridge flags");
119 }
120 
121 static void
122 bridge_addresses(int s, const char *prefix)
123 {
124 	struct ifbaconf ifbac;
125 	struct ifbareq *ifba;
126 	char *inbuf = NULL, *ninbuf;
127 	int i, len = 8192;
128 	struct ether_addr ea;
129 
130 	for (;;) {
131 		ninbuf = realloc(inbuf, len);
132 		if (ninbuf == NULL)
133 			err(1, "unable to allocate address buffer");
134 		ifbac.ifbac_len = len;
135 		ifbac.ifbac_buf = inbuf = ninbuf;
136 		if (do_cmd(s, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
137 			err(1, "unable to get address cache");
138 		if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
139 			break;
140 		len *= 2;
141 	}
142 
143 	for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
144 		ifba = ifbac.ifbac_req + i;
145 		memcpy(ea.octet, ifba->ifba_dst,
146 		    sizeof(ea.octet));
147 		printf("%s%s Vlan%d %s %lu ", prefix, ether_ntoa(&ea),
148 		    ifba->ifba_vlan, ifba->ifba_ifsname, ifba->ifba_expire);
149 		printb("flags", ifba->ifba_flags, IFBAFBITS);
150 		printf("\n");
151 	}
152 
153 	free(inbuf);
154 }
155 
156 static void
157 bridge_status(int s)
158 {
159 	struct ifconfig_bridge_status *bridge;
160 	struct ifbropreq *params;
161 	const char *pad, *prefix;
162 	uint8_t lladdr[ETHER_ADDR_LEN];
163 	uint16_t bprio;
164 
165 	if (ifconfig_bridge_get_bridge_status(lifh, name, &bridge) == -1)
166 		return;
167 
168 	params = bridge->params;
169 
170 	PV2ID(params->ifbop_bridgeid, bprio, lladdr);
171 	printf("\tid %s priority %u hellotime %u fwddelay %u\n",
172 	    ether_ntoa((struct ether_addr *)lladdr),
173 	    params->ifbop_priority,
174 	    params->ifbop_hellotime,
175 	    params->ifbop_fwddelay);
176 	printf("\tmaxage %u holdcnt %u proto %s maxaddr %u timeout %u\n",
177 	    params->ifbop_maxage,
178 	    params->ifbop_holdcount,
179 	    stpproto[params->ifbop_protocol],
180 	    bridge->cache_size,
181 	    bridge->cache_lifetime);
182 	PV2ID(params->ifbop_designated_root, bprio, lladdr);
183 	printf("\troot id %s priority %d ifcost %u port %u\n",
184 	    ether_ntoa((struct ether_addr *)lladdr),
185 	    bprio,
186 	    params->ifbop_root_path_cost,
187 	    params->ifbop_root_port & 0xfff);
188 
189 	prefix = "\tmember: ";
190 	pad    = "\t        ";
191 	for (size_t i = 0; i < bridge->members_count; ++i) {
192 		struct ifbreq *member = &bridge->members[i];
193 
194 		printf("%s%s ", prefix, member->ifbr_ifsname);
195 		printb("flags", member->ifbr_ifsflags, IFBIFBITS);
196 		printf("\n%s", pad);
197 		printf("ifmaxaddr %u port %u priority %u path cost %u",
198 		    member->ifbr_addrmax,
199 		    member->ifbr_portno,
200 		    member->ifbr_priority,
201 		    member->ifbr_path_cost);
202 		if (member->ifbr_ifsflags & IFBIF_STP) {
203 			uint8_t proto = member->ifbr_proto;
204 			uint8_t role = member->ifbr_role;
205 			uint8_t state = member->ifbr_state;
206 
207 			if (proto < nitems(stpproto))
208 				printf(" proto %s", stpproto[proto]);
209 			else
210 				printf(" <unknown proto %d>", proto);
211 			printf("\n%s", pad);
212 			if (role < nitems(stproles))
213 				printf("role %s", stproles[role]);
214 			else
215 				printf("<unknown role %d>", role);
216 			if (state < nitems(stpstates))
217 				printf(" state %s", stpstates[state]);
218 			else
219 				printf(" <unknown state %d>", state);
220 		}
221 		printf("\n");
222 	}
223 
224 	ifconfig_bridge_free_bridge_status(bridge);
225 }
226 
227 static void
228 setbridge_add(const char *val, int d, int s, const struct afswtch *afp)
229 {
230 	struct ifbreq req;
231 
232 	memset(&req, 0, sizeof(req));
233 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
234 	if (do_cmd(s, BRDGADD, &req, sizeof(req), 1) < 0)
235 		err(1, "BRDGADD %s",  val);
236 }
237 
238 static void
239 setbridge_delete(const char *val, int d, int s, const struct afswtch *afp)
240 {
241 	struct ifbreq req;
242 
243 	memset(&req, 0, sizeof(req));
244 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
245 	if (do_cmd(s, BRDGDEL, &req, sizeof(req), 1) < 0)
246 		err(1, "BRDGDEL %s",  val);
247 }
248 
249 static void
250 setbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
251 {
252 
253 	do_bridgeflag(s, val, IFBIF_DISCOVER, 1);
254 }
255 
256 static void
257 unsetbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
258 {
259 
260 	do_bridgeflag(s, val, IFBIF_DISCOVER, 0);
261 }
262 
263 static void
264 setbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
265 {
266 
267 	do_bridgeflag(s, val, IFBIF_LEARNING,  1);
268 }
269 
270 static void
271 unsetbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
272 {
273 
274 	do_bridgeflag(s, val, IFBIF_LEARNING,  0);
275 }
276 
277 static void
278 setbridge_sticky(const char *val, int d, int s, const struct afswtch *afp)
279 {
280 
281 	do_bridgeflag(s, val, IFBIF_STICKY,  1);
282 }
283 
284 static void
285 unsetbridge_sticky(const char *val, int d, int s, const struct afswtch *afp)
286 {
287 
288 	do_bridgeflag(s, val, IFBIF_STICKY,  0);
289 }
290 
291 static void
292 setbridge_span(const char *val, int d, int s, const struct afswtch *afp)
293 {
294 	struct ifbreq req;
295 
296 	memset(&req, 0, sizeof(req));
297 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
298 	if (do_cmd(s, BRDGADDS, &req, sizeof(req), 1) < 0)
299 		err(1, "BRDGADDS %s",  val);
300 }
301 
302 static void
303 unsetbridge_span(const char *val, int d, int s, const struct afswtch *afp)
304 {
305 	struct ifbreq req;
306 
307 	memset(&req, 0, sizeof(req));
308 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
309 	if (do_cmd(s, BRDGDELS, &req, sizeof(req), 1) < 0)
310 		err(1, "BRDGDELS %s",  val);
311 }
312 
313 static void
314 setbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
315 {
316 
317 	do_bridgeflag(s, val, IFBIF_STP, 1);
318 }
319 
320 static void
321 unsetbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
322 {
323 
324 	do_bridgeflag(s, val, IFBIF_STP, 0);
325 }
326 
327 static void
328 setbridge_edge(const char *val, int d, int s, const struct afswtch *afp)
329 {
330 	do_bridgeflag(s, val, IFBIF_BSTP_EDGE, 1);
331 }
332 
333 static void
334 unsetbridge_edge(const char *val, int d, int s, const struct afswtch *afp)
335 {
336 	do_bridgeflag(s, val, IFBIF_BSTP_EDGE, 0);
337 }
338 
339 static void
340 setbridge_autoedge(const char *val, int d, int s, const struct afswtch *afp)
341 {
342 	do_bridgeflag(s, val, IFBIF_BSTP_AUTOEDGE, 1);
343 }
344 
345 static void
346 unsetbridge_autoedge(const char *val, int d, int s, const struct afswtch *afp)
347 {
348 	do_bridgeflag(s, val, IFBIF_BSTP_AUTOEDGE, 0);
349 }
350 
351 static void
352 setbridge_ptp(const char *val, int d, int s, const struct afswtch *afp)
353 {
354 	do_bridgeflag(s, val, IFBIF_BSTP_PTP, 1);
355 }
356 
357 static void
358 unsetbridge_ptp(const char *val, int d, int s, const struct afswtch *afp)
359 {
360 	do_bridgeflag(s, val, IFBIF_BSTP_PTP, 0);
361 }
362 
363 static void
364 setbridge_autoptp(const char *val, int d, int s, const struct afswtch *afp)
365 {
366 	do_bridgeflag(s, val, IFBIF_BSTP_AUTOPTP, 1);
367 }
368 
369 static void
370 unsetbridge_autoptp(const char *val, int d, int s, const struct afswtch *afp)
371 {
372 	do_bridgeflag(s, val, IFBIF_BSTP_AUTOPTP, 0);
373 }
374 
375 static void
376 setbridge_flush(const char *val, int d, int s, const struct afswtch *afp)
377 {
378 	struct ifbreq req;
379 
380 	memset(&req, 0, sizeof(req));
381 	req.ifbr_ifsflags = IFBF_FLUSHDYN;
382 	if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
383 		err(1, "BRDGFLUSH");
384 }
385 
386 static void
387 setbridge_flushall(const char *val, int d, int s, const struct afswtch *afp)
388 {
389 	struct ifbreq req;
390 
391 	memset(&req, 0, sizeof(req));
392 	req.ifbr_ifsflags = IFBF_FLUSHALL;
393 	if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
394 		err(1, "BRDGFLUSH");
395 }
396 
397 static void
398 setbridge_static(const char *val, const char *mac, int s,
399     const struct afswtch *afp)
400 {
401 	struct ifbareq req;
402 	struct ether_addr *ea;
403 
404 	memset(&req, 0, sizeof(req));
405 	strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
406 
407 	ea = ether_aton(mac);
408 	if (ea == NULL)
409 		errx(1, "%s: invalid address: %s", val, mac);
410 
411 	memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
412 	req.ifba_flags = IFBAF_STATIC;
413 	req.ifba_vlan = 1; /* XXX allow user to specify */
414 
415 	if (do_cmd(s, BRDGSADDR, &req, sizeof(req), 1) < 0)
416 		err(1, "BRDGSADDR %s",  val);
417 }
418 
419 static void
420 setbridge_deladdr(const char *val, int d, int s, const struct afswtch *afp)
421 {
422 	struct ifbareq req;
423 	struct ether_addr *ea;
424 
425 	memset(&req, 0, sizeof(req));
426 
427 	ea = ether_aton(val);
428 	if (ea == NULL)
429 		errx(1, "invalid address: %s",  val);
430 
431 	memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
432 
433 	if (do_cmd(s, BRDGDADDR, &req, sizeof(req), 1) < 0)
434 		err(1, "BRDGDADDR %s",  val);
435 }
436 
437 static void
438 setbridge_addr(const char *val, int d, int s, const struct afswtch *afp)
439 {
440 
441 	bridge_addresses(s, "");
442 }
443 
444 static void
445 setbridge_maxaddr(const char *arg, int d, int s, const struct afswtch *afp)
446 {
447 	struct ifbrparam param;
448 	u_long val;
449 
450 	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
451 		errx(1, "invalid value: %s",  arg);
452 
453 	param.ifbrp_csize = val & 0xffffffff;
454 
455 	if (do_cmd(s, BRDGSCACHE, &param, sizeof(param), 1) < 0)
456 		err(1, "BRDGSCACHE %s",  arg);
457 }
458 
459 static void
460 setbridge_hellotime(const char *arg, int d, int s, const struct afswtch *afp)
461 {
462 	struct ifbrparam param;
463 	u_long val;
464 
465 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
466 		errx(1, "invalid value: %s",  arg);
467 
468 	param.ifbrp_hellotime = val & 0xff;
469 
470 	if (do_cmd(s, BRDGSHT, &param, sizeof(param), 1) < 0)
471 		err(1, "BRDGSHT %s",  arg);
472 }
473 
474 static void
475 setbridge_fwddelay(const char *arg, int d, int s, const struct afswtch *afp)
476 {
477 	struct ifbrparam param;
478 	u_long val;
479 
480 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
481 		errx(1, "invalid value: %s",  arg);
482 
483 	param.ifbrp_fwddelay = val & 0xff;
484 
485 	if (do_cmd(s, BRDGSFD, &param, sizeof(param), 1) < 0)
486 		err(1, "BRDGSFD %s",  arg);
487 }
488 
489 static void
490 setbridge_maxage(const char *arg, int d, int s, const struct afswtch *afp)
491 {
492 	struct ifbrparam param;
493 	u_long val;
494 
495 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
496 		errx(1, "invalid value: %s",  arg);
497 
498 	param.ifbrp_maxage = val & 0xff;
499 
500 	if (do_cmd(s, BRDGSMA, &param, sizeof(param), 1) < 0)
501 		err(1, "BRDGSMA %s",  arg);
502 }
503 
504 static void
505 setbridge_priority(const char *arg, int d, int s, const struct afswtch *afp)
506 {
507 	struct ifbrparam param;
508 	u_long val;
509 
510 	if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
511 		errx(1, "invalid value: %s",  arg);
512 
513 	param.ifbrp_prio = val & 0xffff;
514 
515 	if (do_cmd(s, BRDGSPRI, &param, sizeof(param), 1) < 0)
516 		err(1, "BRDGSPRI %s",  arg);
517 }
518 
519 static void
520 setbridge_protocol(const char *arg, int d, int s, const struct afswtch *afp)
521 {
522 	struct ifbrparam param;
523 
524 	if (strcasecmp(arg, "stp") == 0) {
525 		param.ifbrp_proto = 0;
526 	} else if (strcasecmp(arg, "rstp") == 0) {
527 		param.ifbrp_proto = 2;
528 	} else {
529 		errx(1, "unknown stp protocol");
530 	}
531 
532 	if (do_cmd(s, BRDGSPROTO, &param, sizeof(param), 1) < 0)
533 		err(1, "BRDGSPROTO %s",  arg);
534 }
535 
536 static void
537 setbridge_holdcount(const char *arg, int d, int s, const struct afswtch *afp)
538 {
539 	struct ifbrparam param;
540 	u_long val;
541 
542 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
543 		errx(1, "invalid value: %s",  arg);
544 
545 	param.ifbrp_txhc = val & 0xff;
546 
547 	if (do_cmd(s, BRDGSTXHC, &param, sizeof(param), 1) < 0)
548 		err(1, "BRDGSTXHC %s",  arg);
549 }
550 
551 static void
552 setbridge_ifpriority(const char *ifn, const char *pri, int s,
553     const struct afswtch *afp)
554 {
555 	struct ifbreq req;
556 	u_long val;
557 
558 	memset(&req, 0, sizeof(req));
559 
560 	if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
561 		errx(1, "invalid value: %s",  pri);
562 
563 	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
564 	req.ifbr_priority = val & 0xff;
565 
566 	if (do_cmd(s, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
567 		err(1, "BRDGSIFPRIO %s",  pri);
568 }
569 
570 static void
571 setbridge_ifpathcost(const char *ifn, const char *cost, int s,
572     const struct afswtch *afp)
573 {
574 	struct ifbreq req;
575 	u_long val;
576 
577 	memset(&req, 0, sizeof(req));
578 
579 	if (get_val(cost, &val) < 0)
580 		errx(1, "invalid value: %s",  cost);
581 
582 	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
583 	req.ifbr_path_cost = val;
584 
585 	if (do_cmd(s, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
586 		err(1, "BRDGSIFCOST %s",  cost);
587 }
588 
589 static void
590 setbridge_ifmaxaddr(const char *ifn, const char *arg, int s,
591     const struct afswtch *afp)
592 {
593 	struct ifbreq req;
594 	u_long val;
595 
596 	memset(&req, 0, sizeof(req));
597 
598 	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
599 		errx(1, "invalid value: %s",  arg);
600 
601 	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
602 	req.ifbr_addrmax = val & 0xffffffff;
603 
604 	if (do_cmd(s, BRDGSIFAMAX, &req, sizeof(req), 1) < 0)
605 		err(1, "BRDGSIFAMAX %s",  arg);
606 }
607 
608 static void
609 setbridge_timeout(const char *arg, int d, int s, const struct afswtch *afp)
610 {
611 	struct ifbrparam param;
612 	u_long val;
613 
614 	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
615 		errx(1, "invalid value: %s",  arg);
616 
617 	param.ifbrp_ctime = val & 0xffffffff;
618 
619 	if (do_cmd(s, BRDGSTO, &param, sizeof(param), 1) < 0)
620 		err(1, "BRDGSTO %s",  arg);
621 }
622 
623 static void
624 setbridge_private(const char *val, int d, int s, const struct afswtch *afp)
625 {
626 
627 	do_bridgeflag(s, val, IFBIF_PRIVATE, 1);
628 }
629 
630 static void
631 unsetbridge_private(const char *val, int d, int s, const struct afswtch *afp)
632 {
633 
634 	do_bridgeflag(s, val, IFBIF_PRIVATE, 0);
635 }
636 
637 static struct cmd bridge_cmds[] = {
638 	DEF_CMD_ARG("addm",		setbridge_add),
639 	DEF_CMD_ARG("deletem",		setbridge_delete),
640 	DEF_CMD_ARG("discover",		setbridge_discover),
641 	DEF_CMD_ARG("-discover",	unsetbridge_discover),
642 	DEF_CMD_ARG("learn",		setbridge_learn),
643 	DEF_CMD_ARG("-learn",		unsetbridge_learn),
644 	DEF_CMD_ARG("sticky",		setbridge_sticky),
645 	DEF_CMD_ARG("-sticky",		unsetbridge_sticky),
646 	DEF_CMD_ARG("span",		setbridge_span),
647 	DEF_CMD_ARG("-span",		unsetbridge_span),
648 	DEF_CMD_ARG("stp",		setbridge_stp),
649 	DEF_CMD_ARG("-stp",		unsetbridge_stp),
650 	DEF_CMD_ARG("edge",		setbridge_edge),
651 	DEF_CMD_ARG("-edge",		unsetbridge_edge),
652 	DEF_CMD_ARG("autoedge",		setbridge_autoedge),
653 	DEF_CMD_ARG("-autoedge",	unsetbridge_autoedge),
654 	DEF_CMD_ARG("ptp",		setbridge_ptp),
655 	DEF_CMD_ARG("-ptp",		unsetbridge_ptp),
656 	DEF_CMD_ARG("autoptp",		setbridge_autoptp),
657 	DEF_CMD_ARG("-autoptp",		unsetbridge_autoptp),
658 	DEF_CMD("flush", 0,		setbridge_flush),
659 	DEF_CMD("flushall", 0,		setbridge_flushall),
660 	DEF_CMD_ARG2("static",		setbridge_static),
661 	DEF_CMD_ARG("deladdr",		setbridge_deladdr),
662 	DEF_CMD("addr",	 1,		setbridge_addr),
663 	DEF_CMD_ARG("maxaddr",		setbridge_maxaddr),
664 	DEF_CMD_ARG("hellotime",	setbridge_hellotime),
665 	DEF_CMD_ARG("fwddelay",		setbridge_fwddelay),
666 	DEF_CMD_ARG("maxage",		setbridge_maxage),
667 	DEF_CMD_ARG("priority",		setbridge_priority),
668 	DEF_CMD_ARG("proto",		setbridge_protocol),
669 	DEF_CMD_ARG("holdcnt",		setbridge_holdcount),
670 	DEF_CMD_ARG2("ifpriority",	setbridge_ifpriority),
671 	DEF_CMD_ARG2("ifpathcost",	setbridge_ifpathcost),
672 	DEF_CMD_ARG2("ifmaxaddr",	setbridge_ifmaxaddr),
673 	DEF_CMD_ARG("timeout",		setbridge_timeout),
674 	DEF_CMD_ARG("private",		setbridge_private),
675 	DEF_CMD_ARG("-private",		unsetbridge_private),
676 };
677 static struct afswtch af_bridge = {
678 	.af_name	= "af_bridge",
679 	.af_af		= AF_UNSPEC,
680 	.af_other_status = bridge_status,
681 };
682 
683 static __constructor void
684 bridge_ctor(void)
685 {
686 	int i;
687 
688 	for (i = 0; i < nitems(bridge_cmds);  i++)
689 		cmd_register(&bridge_cmds[i]);
690 	af_register(&af_bridge);
691 }
692