xref: /freebsd/sbin/ifconfig/ifbridge.c (revision a64729f5077d77e13b9497cb33ecb3c82e606ee8)
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 #include <sys/param.h>
39 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <sys/sockio.h>
42 
43 #include <stdlib.h>
44 #include <unistd.h>
45 
46 #include <net/ethernet.h>
47 #include <net/if.h>
48 #include <net/if_bridgevar.h>
49 #include <net/route.h>
50 
51 #include <ctype.h>
52 #include <stdio.h>
53 #include <string.h>
54 #include <stdlib.h>
55 #include <unistd.h>
56 #include <err.h>
57 #include <errno.h>
58 
59 #include <libifconfig.h>
60 
61 #include "ifconfig.h"
62 
63 static const char *stpstates[] = { STP_STATES };
64 static const char *stpproto[] = { STP_PROTOS };
65 static const char *stproles[] = { STP_ROLES };
66 
67 static int
68 get_val(const char *cp, u_long *valp)
69 {
70 	char *endptr;
71 	u_long val;
72 
73 	errno = 0;
74 	val = strtoul(cp, &endptr, 0);
75 	if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE)
76 		return (-1);
77 
78 	*valp = val;
79 	return (0);
80 }
81 
82 static int
83 do_cmd(if_ctx *ctx, u_long op, void *arg, size_t argsize, int set)
84 {
85 	struct ifdrv ifd = {};
86 
87 	strlcpy(ifd.ifd_name, ctx->ifname, sizeof(ifd.ifd_name));
88 	ifd.ifd_cmd = op;
89 	ifd.ifd_len = argsize;
90 	ifd.ifd_data = arg;
91 
92 	return (ioctl_ctx(ctx, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd));
93 }
94 
95 static void
96 do_bridgeflag(if_ctx *ctx, const char *ifs, int flag, int set)
97 {
98 	struct ifbreq req;
99 
100 	strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname));
101 
102 	if (do_cmd(ctx, BRDGGIFFLGS, &req, sizeof(req), 0) < 0)
103 		err(1, "unable to get bridge flags");
104 
105 	if (set)
106 		req.ifbr_ifsflags |= flag;
107 	else
108 		req.ifbr_ifsflags &= ~flag;
109 
110 	if (do_cmd(ctx, BRDGSIFFLGS, &req, sizeof(req), 1) < 0)
111 		err(1, "unable to set bridge flags");
112 }
113 
114 static void
115 bridge_addresses(if_ctx *ctx, const char *prefix)
116 {
117 	struct ifbaconf ifbac;
118 	struct ifbareq *ifba;
119 	char *inbuf = NULL, *ninbuf;
120 	size_t len = 8192;
121 	struct ether_addr ea;
122 
123 	for (;;) {
124 		ninbuf = realloc(inbuf, len);
125 		if (ninbuf == NULL)
126 			err(1, "unable to allocate address buffer");
127 		ifbac.ifbac_len = len;
128 		ifbac.ifbac_buf = inbuf = ninbuf;
129 		if (do_cmd(ctx, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
130 			err(1, "unable to get address cache");
131 		if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
132 			break;
133 		len *= 2;
134 	}
135 
136 	for (unsigned long i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
137 		ifba = ifbac.ifbac_req + i;
138 		memcpy(ea.octet, ifba->ifba_dst,
139 		    sizeof(ea.octet));
140 		printf("%s%s Vlan%d %s %lu ", prefix, ether_ntoa(&ea),
141 		    ifba->ifba_vlan, ifba->ifba_ifsname, ifba->ifba_expire);
142 		printb("flags", ifba->ifba_flags, IFBAFBITS);
143 		printf("\n");
144 	}
145 
146 	free(inbuf);
147 }
148 
149 static void
150 bridge_status(if_ctx *ctx)
151 {
152 	struct ifconfig_bridge_status *bridge;
153 	struct ifbropreq *params;
154 	const char *pad, *prefix;
155 	uint8_t lladdr[ETHER_ADDR_LEN];
156 	uint16_t bprio;
157 
158 	if (ifconfig_bridge_get_bridge_status(lifh, ctx->ifname, &bridge) == -1)
159 		return;
160 
161 	params = bridge->params;
162 
163 	PV2ID(params->ifbop_bridgeid, bprio, lladdr);
164 	printf("\tid %s priority %u hellotime %u fwddelay %u\n",
165 	    ether_ntoa((struct ether_addr *)lladdr),
166 	    params->ifbop_priority,
167 	    params->ifbop_hellotime,
168 	    params->ifbop_fwddelay);
169 	printf("\tmaxage %u holdcnt %u proto %s maxaddr %u timeout %u\n",
170 	    params->ifbop_maxage,
171 	    params->ifbop_holdcount,
172 	    stpproto[params->ifbop_protocol],
173 	    bridge->cache_size,
174 	    bridge->cache_lifetime);
175 	PV2ID(params->ifbop_designated_root, bprio, lladdr);
176 	printf("\troot id %s priority %d ifcost %u port %u\n",
177 	    ether_ntoa((struct ether_addr *)lladdr),
178 	    bprio,
179 	    params->ifbop_root_path_cost,
180 	    params->ifbop_root_port & 0xfff);
181 
182 	prefix = "\tmember: ";
183 	pad    = "\t        ";
184 	for (size_t i = 0; i < bridge->members_count; ++i) {
185 		struct ifbreq *member = &bridge->members[i];
186 
187 		printf("%s%s ", prefix, member->ifbr_ifsname);
188 		printb("flags", member->ifbr_ifsflags, IFBIFBITS);
189 		printf("\n%s", pad);
190 		printf("ifmaxaddr %u port %u priority %u path cost %u",
191 		    member->ifbr_addrmax,
192 		    member->ifbr_portno,
193 		    member->ifbr_priority,
194 		    member->ifbr_path_cost);
195 		if (member->ifbr_ifsflags & IFBIF_STP) {
196 			uint8_t proto = member->ifbr_proto;
197 			uint8_t role = member->ifbr_role;
198 			uint8_t state = member->ifbr_state;
199 
200 			if (proto < nitems(stpproto))
201 				printf(" proto %s", stpproto[proto]);
202 			else
203 				printf(" <unknown proto %d>", proto);
204 			printf("\n%s", pad);
205 			if (role < nitems(stproles))
206 				printf("role %s", stproles[role]);
207 			else
208 				printf("<unknown role %d>", role);
209 			if (state < nitems(stpstates))
210 				printf(" state %s", stpstates[state]);
211 			else
212 				printf(" <unknown state %d>", state);
213 		}
214 		printf("\n");
215 	}
216 
217 	ifconfig_bridge_free_bridge_status(bridge);
218 }
219 
220 static void
221 setbridge_add(if_ctx *ctx, const char *val, int dummy __unused)
222 {
223 	struct ifbreq req;
224 
225 	memset(&req, 0, sizeof(req));
226 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
227 	if (do_cmd(ctx, BRDGADD, &req, sizeof(req), 1) < 0)
228 		err(1, "BRDGADD %s",  val);
229 }
230 
231 static void
232 setbridge_delete(if_ctx *ctx, const char *val, int dummy __unused)
233 {
234 	struct ifbreq req;
235 
236 	memset(&req, 0, sizeof(req));
237 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
238 	if (do_cmd(ctx, BRDGDEL, &req, sizeof(req), 1) < 0)
239 		err(1, "BRDGDEL %s",  val);
240 }
241 
242 static void
243 setbridge_discover(if_ctx *ctx, const char *val, int dummy __unused)
244 {
245 
246 	do_bridgeflag(ctx, val, IFBIF_DISCOVER, 1);
247 }
248 
249 static void
250 unsetbridge_discover(if_ctx *ctx, const char *val, int dummy __unused)
251 {
252 
253 	do_bridgeflag(ctx, val, IFBIF_DISCOVER, 0);
254 }
255 
256 static void
257 setbridge_learn(if_ctx *ctx, const char *val, int dummy __unused)
258 {
259 
260 	do_bridgeflag(ctx, val, IFBIF_LEARNING,  1);
261 }
262 
263 static void
264 unsetbridge_learn(if_ctx *ctx, const char *val, int dummy __unused)
265 {
266 
267 	do_bridgeflag(ctx, val, IFBIF_LEARNING,  0);
268 }
269 
270 static void
271 setbridge_sticky(if_ctx *ctx, const char *val, int dummy __unused)
272 {
273 
274 	do_bridgeflag(ctx, val, IFBIF_STICKY,  1);
275 }
276 
277 static void
278 unsetbridge_sticky(if_ctx *ctx, const char *val, int dummy __unused)
279 {
280 
281 	do_bridgeflag(ctx, val, IFBIF_STICKY,  0);
282 }
283 
284 static void
285 setbridge_span(if_ctx *ctx, const char *val, int dummy __unused)
286 {
287 	struct ifbreq req;
288 
289 	memset(&req, 0, sizeof(req));
290 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
291 	if (do_cmd(ctx, BRDGADDS, &req, sizeof(req), 1) < 0)
292 		err(1, "BRDGADDS %s",  val);
293 }
294 
295 static void
296 unsetbridge_span(if_ctx *ctx, const char *val, int dummy __unused)
297 {
298 	struct ifbreq req;
299 
300 	memset(&req, 0, sizeof(req));
301 	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
302 	if (do_cmd(ctx, BRDGDELS, &req, sizeof(req), 1) < 0)
303 		err(1, "BRDGDELS %s",  val);
304 }
305 
306 static void
307 setbridge_stp(if_ctx *ctx, const char *val, int dummy __unused)
308 {
309 
310 	do_bridgeflag(ctx, val, IFBIF_STP, 1);
311 }
312 
313 static void
314 unsetbridge_stp(if_ctx *ctx, const char *val, int dummy __unused)
315 {
316 
317 	do_bridgeflag(ctx, val, IFBIF_STP, 0);
318 }
319 
320 static void
321 setbridge_edge(if_ctx *ctx, const char *val, int dummy __unused)
322 {
323 	do_bridgeflag(ctx, val, IFBIF_BSTP_EDGE, 1);
324 }
325 
326 static void
327 unsetbridge_edge(if_ctx *ctx, const char *val, int dummy __unused)
328 {
329 	do_bridgeflag(ctx, val, IFBIF_BSTP_EDGE, 0);
330 }
331 
332 static void
333 setbridge_autoedge(if_ctx *ctx, const char *val, int dummy __unused)
334 {
335 	do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOEDGE, 1);
336 }
337 
338 static void
339 unsetbridge_autoedge(if_ctx *ctx, const char *val, int dummy __unused)
340 {
341 	do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOEDGE, 0);
342 }
343 
344 static void
345 setbridge_ptp(if_ctx *ctx, const char *val, int dummy __unused)
346 {
347 	do_bridgeflag(ctx, val, IFBIF_BSTP_PTP, 1);
348 }
349 
350 static void
351 unsetbridge_ptp(if_ctx *ctx, const char *val, int dummy __unused)
352 {
353 	do_bridgeflag(ctx, val, IFBIF_BSTP_PTP, 0);
354 }
355 
356 static void
357 setbridge_autoptp(if_ctx *ctx, const char *val, int dummy __unused)
358 {
359 	do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOPTP, 1);
360 }
361 
362 static void
363 unsetbridge_autoptp(if_ctx *ctx, const char *val, int dummy __unused)
364 {
365 	do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOPTP, 0);
366 }
367 
368 static void
369 setbridge_flush(if_ctx *ctx, const char *val __unused, int dummy __unused)
370 {
371 	struct ifbreq req;
372 
373 	memset(&req, 0, sizeof(req));
374 	req.ifbr_ifsflags = IFBF_FLUSHDYN;
375 	if (do_cmd(ctx, BRDGFLUSH, &req, sizeof(req), 1) < 0)
376 		err(1, "BRDGFLUSH");
377 }
378 
379 static void
380 setbridge_flushall(if_ctx *ctx, const char *val __unused, int dummy __unused)
381 {
382 	struct ifbreq req;
383 
384 	memset(&req, 0, sizeof(req));
385 	req.ifbr_ifsflags = IFBF_FLUSHALL;
386 	if (do_cmd(ctx, BRDGFLUSH, &req, sizeof(req), 1) < 0)
387 		err(1, "BRDGFLUSH");
388 }
389 
390 static void
391 setbridge_static(if_ctx *ctx, const char *val, const char *mac)
392 {
393 	struct ifbareq req;
394 	struct ether_addr *ea;
395 
396 	memset(&req, 0, sizeof(req));
397 	strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
398 
399 	ea = ether_aton(mac);
400 	if (ea == NULL)
401 		errx(1, "%s: invalid address: %s", val, mac);
402 
403 	memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
404 	req.ifba_flags = IFBAF_STATIC;
405 	req.ifba_vlan = 0; /* XXX allow user to specify */
406 
407 	if (do_cmd(ctx, BRDGSADDR, &req, sizeof(req), 1) < 0)
408 		err(1, "BRDGSADDR %s",  val);
409 }
410 
411 static void
412 setbridge_deladdr(if_ctx *ctx, const char *val, int dummy __unused)
413 {
414 	struct ifbareq req;
415 	struct ether_addr *ea;
416 
417 	memset(&req, 0, sizeof(req));
418 
419 	ea = ether_aton(val);
420 	if (ea == NULL)
421 		errx(1, "invalid address: %s",  val);
422 
423 	memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
424 
425 	if (do_cmd(ctx, BRDGDADDR, &req, sizeof(req), 1) < 0)
426 		err(1, "BRDGDADDR %s",  val);
427 }
428 
429 static void
430 setbridge_addr(if_ctx *ctx, const char *val __unused, int dummy __unused)
431 {
432 
433 	bridge_addresses(ctx, "");
434 }
435 
436 static void
437 setbridge_maxaddr(if_ctx *ctx, const char *arg, int dummy __unused)
438 {
439 	struct ifbrparam param;
440 	u_long val;
441 
442 	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
443 		errx(1, "invalid value: %s",  arg);
444 
445 	param.ifbrp_csize = val & 0xffffffff;
446 
447 	if (do_cmd(ctx, BRDGSCACHE, &param, sizeof(param), 1) < 0)
448 		err(1, "BRDGSCACHE %s",  arg);
449 }
450 
451 static void
452 setbridge_hellotime(if_ctx *ctx, const char *arg, int dummy __unused)
453 {
454 	struct ifbrparam param;
455 	u_long val;
456 
457 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
458 		errx(1, "invalid value: %s",  arg);
459 
460 	param.ifbrp_hellotime = val & 0xff;
461 
462 	if (do_cmd(ctx, BRDGSHT, &param, sizeof(param), 1) < 0)
463 		err(1, "BRDGSHT %s",  arg);
464 }
465 
466 static void
467 setbridge_fwddelay(if_ctx *ctx, const char *arg, int dummy __unused)
468 {
469 	struct ifbrparam param;
470 	u_long val;
471 
472 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
473 		errx(1, "invalid value: %s",  arg);
474 
475 	param.ifbrp_fwddelay = val & 0xff;
476 
477 	if (do_cmd(ctx, BRDGSFD, &param, sizeof(param), 1) < 0)
478 		err(1, "BRDGSFD %s",  arg);
479 }
480 
481 static void
482 setbridge_maxage(if_ctx *ctx, const char *arg, int dummy __unused)
483 {
484 	struct ifbrparam param;
485 	u_long val;
486 
487 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
488 		errx(1, "invalid value: %s",  arg);
489 
490 	param.ifbrp_maxage = val & 0xff;
491 
492 	if (do_cmd(ctx, BRDGSMA, &param, sizeof(param), 1) < 0)
493 		err(1, "BRDGSMA %s",  arg);
494 }
495 
496 static void
497 setbridge_priority(if_ctx *ctx, const char *arg, int dummy __unused)
498 {
499 	struct ifbrparam param;
500 	u_long val;
501 
502 	if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
503 		errx(1, "invalid value: %s",  arg);
504 
505 	param.ifbrp_prio = val & 0xffff;
506 
507 	if (do_cmd(ctx, BRDGSPRI, &param, sizeof(param), 1) < 0)
508 		err(1, "BRDGSPRI %s",  arg);
509 }
510 
511 static void
512 setbridge_protocol(if_ctx *ctx, const char *arg, int dummy __unused)
513 {
514 	struct ifbrparam param;
515 
516 	if (strcasecmp(arg, "stp") == 0) {
517 		param.ifbrp_proto = 0;
518 	} else if (strcasecmp(arg, "rstp") == 0) {
519 		param.ifbrp_proto = 2;
520 	} else {
521 		errx(1, "unknown stp protocol");
522 	}
523 
524 	if (do_cmd(ctx, BRDGSPROTO, &param, sizeof(param), 1) < 0)
525 		err(1, "BRDGSPROTO %s",  arg);
526 }
527 
528 static void
529 setbridge_holdcount(if_ctx *ctx, const char *arg, int dummy __unused)
530 {
531 	struct ifbrparam param;
532 	u_long val;
533 
534 	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
535 		errx(1, "invalid value: %s",  arg);
536 
537 	param.ifbrp_txhc = val & 0xff;
538 
539 	if (do_cmd(ctx, BRDGSTXHC, &param, sizeof(param), 1) < 0)
540 		err(1, "BRDGSTXHC %s",  arg);
541 }
542 
543 static void
544 setbridge_ifpriority(if_ctx *ctx, const char *ifn, const char *pri)
545 {
546 	struct ifbreq req;
547 	u_long val;
548 
549 	memset(&req, 0, sizeof(req));
550 
551 	if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
552 		errx(1, "invalid value: %s",  pri);
553 
554 	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
555 	req.ifbr_priority = val & 0xff;
556 
557 	if (do_cmd(ctx, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
558 		err(1, "BRDGSIFPRIO %s",  pri);
559 }
560 
561 static void
562 setbridge_ifpathcost(if_ctx *ctx, const char *ifn, const char *cost)
563 {
564 	struct ifbreq req;
565 	u_long val;
566 
567 	memset(&req, 0, sizeof(req));
568 
569 	if (get_val(cost, &val) < 0)
570 		errx(1, "invalid value: %s",  cost);
571 
572 	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
573 	req.ifbr_path_cost = val;
574 
575 	if (do_cmd(ctx, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
576 		err(1, "BRDGSIFCOST %s",  cost);
577 }
578 
579 static void
580 setbridge_ifmaxaddr(if_ctx *ctx, const char *ifn, const char *arg)
581 {
582 	struct ifbreq req;
583 	u_long val;
584 
585 	memset(&req, 0, sizeof(req));
586 
587 	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
588 		errx(1, "invalid value: %s",  arg);
589 
590 	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
591 	req.ifbr_addrmax = val & 0xffffffff;
592 
593 	if (do_cmd(ctx, BRDGSIFAMAX, &req, sizeof(req), 1) < 0)
594 		err(1, "BRDGSIFAMAX %s",  arg);
595 }
596 
597 static void
598 setbridge_timeout(if_ctx *ctx, const char *arg, int dummy __unused)
599 {
600 	struct ifbrparam param;
601 	u_long val;
602 
603 	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
604 		errx(1, "invalid value: %s",  arg);
605 
606 	param.ifbrp_ctime = val & 0xffffffff;
607 
608 	if (do_cmd(ctx, BRDGSTO, &param, sizeof(param), 1) < 0)
609 		err(1, "BRDGSTO %s",  arg);
610 }
611 
612 static void
613 setbridge_private(if_ctx *ctx, const char *val, int dummy __unused)
614 {
615 
616 	do_bridgeflag(ctx, val, IFBIF_PRIVATE, 1);
617 }
618 
619 static void
620 unsetbridge_private(if_ctx *ctx, const char *val, int dummy __unused)
621 {
622 
623 	do_bridgeflag(ctx, val, IFBIF_PRIVATE, 0);
624 }
625 
626 static struct cmd bridge_cmds[] = {
627 	DEF_CMD_ARG("addm",		setbridge_add),
628 	DEF_CMD_ARG("deletem",		setbridge_delete),
629 	DEF_CMD_ARG("discover",		setbridge_discover),
630 	DEF_CMD_ARG("-discover",	unsetbridge_discover),
631 	DEF_CMD_ARG("learn",		setbridge_learn),
632 	DEF_CMD_ARG("-learn",		unsetbridge_learn),
633 	DEF_CMD_ARG("sticky",		setbridge_sticky),
634 	DEF_CMD_ARG("-sticky",		unsetbridge_sticky),
635 	DEF_CMD_ARG("span",		setbridge_span),
636 	DEF_CMD_ARG("-span",		unsetbridge_span),
637 	DEF_CMD_ARG("stp",		setbridge_stp),
638 	DEF_CMD_ARG("-stp",		unsetbridge_stp),
639 	DEF_CMD_ARG("edge",		setbridge_edge),
640 	DEF_CMD_ARG("-edge",		unsetbridge_edge),
641 	DEF_CMD_ARG("autoedge",		setbridge_autoedge),
642 	DEF_CMD_ARG("-autoedge",	unsetbridge_autoedge),
643 	DEF_CMD_ARG("ptp",		setbridge_ptp),
644 	DEF_CMD_ARG("-ptp",		unsetbridge_ptp),
645 	DEF_CMD_ARG("autoptp",		setbridge_autoptp),
646 	DEF_CMD_ARG("-autoptp",		unsetbridge_autoptp),
647 	DEF_CMD("flush", 0,		setbridge_flush),
648 	DEF_CMD("flushall", 0,		setbridge_flushall),
649 	DEF_CMD_ARG2("static",		setbridge_static),
650 	DEF_CMD_ARG("deladdr",		setbridge_deladdr),
651 	DEF_CMD("addr",	 1,		setbridge_addr),
652 	DEF_CMD_ARG("maxaddr",		setbridge_maxaddr),
653 	DEF_CMD_ARG("hellotime",	setbridge_hellotime),
654 	DEF_CMD_ARG("fwddelay",		setbridge_fwddelay),
655 	DEF_CMD_ARG("maxage",		setbridge_maxage),
656 	DEF_CMD_ARG("priority",		setbridge_priority),
657 	DEF_CMD_ARG("proto",		setbridge_protocol),
658 	DEF_CMD_ARG("holdcnt",		setbridge_holdcount),
659 	DEF_CMD_ARG2("ifpriority",	setbridge_ifpriority),
660 	DEF_CMD_ARG2("ifpathcost",	setbridge_ifpathcost),
661 	DEF_CMD_ARG2("ifmaxaddr",	setbridge_ifmaxaddr),
662 	DEF_CMD_ARG("timeout",		setbridge_timeout),
663 	DEF_CMD_ARG("private",		setbridge_private),
664 	DEF_CMD_ARG("-private",		unsetbridge_private),
665 };
666 static struct afswtch af_bridge = {
667 	.af_name	= "af_bridge",
668 	.af_af		= AF_UNSPEC,
669 	.af_other_status = bridge_status,
670 };
671 
672 static __constructor void
673 bridge_ctor(void)
674 {
675 	for (size_t i = 0; i < nitems(bridge_cmds);  i++)
676 		cmd_register(&bridge_cmds[i]);
677 	af_register(&af_bridge);
678 }
679