ifbridge.c revision 165105
1/*-
2 * Copyright 2001 Wasabi Systems, Inc.
3 * All rights reserved.
4 *
5 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed for the NetBSD Project by
18 *	Wasabi Systems, Inc.
19 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
20 *    or promote products derived from this software without specific prior
21 *    written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#ifndef lint
37static const char rcsid[] =
38  "$FreeBSD: head/sbin/ifconfig/ifbridge.c 165105 2006-12-11 23:46:40Z thompsa $";
39#endif /* not lint */
40
41#include <sys/param.h>
42#include <sys/ioctl.h>
43#include <sys/socket.h>
44#include <sys/sockio.h>
45
46#include <stdlib.h>
47#include <unistd.h>
48
49#include <net/ethernet.h>
50#include <net/if.h>
51#include <net/if_bridgevar.h>
52#include <net/route.h>
53
54#include <ctype.h>
55#include <stdio.h>
56#include <string.h>
57#include <stdlib.h>
58#include <unistd.h>
59#include <err.h>
60#include <errno.h>
61
62#include "ifconfig.h"
63
64#define PV2ID(pv, epri, eaddr)  do {		\
65		epri     = pv >> 48;		\
66		eaddr[0] = pv >> 40;		\
67		eaddr[1] = pv >> 32;		\
68		eaddr[2] = pv >> 24;		\
69		eaddr[3] = pv >> 16;		\
70		eaddr[4] = pv >> 8;		\
71		eaddr[5] = pv >> 0;		\
72} while (0)
73
74static const char *stpstates[] = {
75	"disabled",
76	"listening",
77	"learning",
78	"forwarding",
79	"blocking",
80	"discarding"
81};
82static const char *stpproto[] = {
83	"stp",
84	"-",
85	"rstp"
86};
87static const char *stproles[] = {
88	"disabled",
89	"root",
90	"designated",
91	"alternate",
92	"backup"
93};
94
95static int
96get_val(const char *cp, u_long *valp)
97{
98	char *endptr;
99	u_long val;
100
101	errno = 0;
102	val = strtoul(cp, &endptr, 0);
103	if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE)
104		return (-1);
105
106	*valp = val;
107	return (0);
108}
109
110static int
111do_cmd(int sock, u_long op, void *arg, size_t argsize, int set)
112{
113	struct ifdrv ifd;
114
115	memset(&ifd, 0, sizeof(ifd));
116
117	strlcpy(ifd.ifd_name, ifr.ifr_name, sizeof(ifd.ifd_name));
118	ifd.ifd_cmd = op;
119	ifd.ifd_len = argsize;
120	ifd.ifd_data = arg;
121
122	return (ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd));
123}
124
125static void
126do_bridgeflag(int sock, const char *ifs, int flag, int set)
127{
128	struct ifbreq req;
129
130	strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname));
131
132	if (do_cmd(sock, BRDGGIFFLGS, &req, sizeof(req), 0) < 0)
133		err(1, "unable to get bridge flags");
134
135	if (set)
136		req.ifbr_ifsflags |= flag;
137	else
138		req.ifbr_ifsflags &= ~flag;
139
140	if (do_cmd(sock, BRDGSIFFLGS, &req, sizeof(req), 1) < 0)
141		err(1, "unable to set bridge flags");
142}
143
144static void
145bridge_interfaces(int s, const char *prefix)
146{
147	struct ifbifconf bifc;
148	struct ifbreq *req;
149	char *inbuf = NULL, *ninbuf;
150	char *p, *pad;
151	int i, len = 8192;
152
153	pad = strdup(prefix);
154	if (pad == NULL)
155		err(1, "strdup");
156	/* replace the prefix with whitespace */
157	for (p = pad; *p != '\0'; p++) {
158		if(isprint(*p))
159			*p = ' ';
160	}
161
162	for (;;) {
163		ninbuf = realloc(inbuf, len);
164		if (ninbuf == NULL)
165			err(1, "unable to allocate interface buffer");
166		bifc.ifbic_len = len;
167		bifc.ifbic_buf = inbuf = ninbuf;
168		if (do_cmd(s, BRDGGIFS, &bifc, sizeof(bifc), 0) < 0)
169			err(1, "unable to get interface list");
170		if ((bifc.ifbic_len + sizeof(*req)) < len)
171			break;
172		len *= 2;
173	}
174
175	for (i = 0; i < bifc.ifbic_len / sizeof(*req); i++) {
176		req = bifc.ifbic_req + i;
177		printf("%s%s ", prefix, req->ifbr_ifsname);
178		printb("flags", req->ifbr_ifsflags, IFBIFBITS);
179		printf("\n");
180
181		if (req->ifbr_ifsflags & IFBIF_STP) {
182			printf("%s", pad);
183			printf("port %u priority %u",
184			    req->ifbr_portno, req->ifbr_priority);
185			printf(" path cost %u", req->ifbr_path_cost);
186			if (req->ifbr_proto <
187			    sizeof(stpproto) / sizeof(stpproto[0]))
188				printf(" proto %s", stpproto[req->ifbr_proto]);
189			else
190				printf(" <unknown proto %d>",
191				    req->ifbr_proto);
192
193			printf("\n%s", pad);
194			if (req->ifbr_role <
195			    sizeof(stproles) / sizeof(stproles[0]))
196				printf("role %s", stproles[req->ifbr_role]);
197			else
198				printf("<unknown role %d>",
199				    req->ifbr_role);
200			if (req->ifbr_state <
201			    sizeof(stpstates) / sizeof(stpstates[0]))
202				printf(" state %s", stpstates[req->ifbr_state]);
203			else
204				printf(" <unknown state %d>",
205				    req->ifbr_state);
206			printf("\n");
207		}
208	}
209
210	free(inbuf);
211}
212
213static void
214bridge_addresses(int s, const char *prefix)
215{
216	struct ifbaconf ifbac;
217	struct ifbareq *ifba;
218	char *inbuf = NULL, *ninbuf;
219	int i, len = 8192;
220	struct ether_addr ea;
221
222	for (;;) {
223		ninbuf = realloc(inbuf, len);
224		if (ninbuf == NULL)
225			err(1, "unable to allocate address buffer");
226		ifbac.ifbac_len = len;
227		ifbac.ifbac_buf = inbuf = ninbuf;
228		if (do_cmd(s, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
229			err(1, "unable to get address cache");
230		if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
231			break;
232		len *= 2;
233	}
234
235	for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
236		ifba = ifbac.ifbac_req + i;
237		memcpy(ea.octet, ifba->ifba_dst,
238		    sizeof(ea.octet));
239		printf("%s%s %s %lu ", prefix, ether_ntoa(&ea),
240		    ifba->ifba_ifsname, ifba->ifba_expire);
241		printb("flags", ifba->ifba_flags, IFBAFBITS);
242		printf("\n");
243	}
244
245	free(inbuf);
246}
247
248static void
249bridge_status(int s)
250{
251	struct ifbropreq ifbp;
252	struct ifbrparam param;
253	u_int16_t pri;
254	u_int8_t ht, fd, ma, hc, pro;
255	u_int8_t lladdr[ETHER_ADDR_LEN];
256	u_int16_t bprio;
257	u_int32_t csize, ctime;
258
259	if (do_cmd(s, BRDGGCACHE, &param, sizeof(param), 0) < 0)
260		return;
261	csize = param.ifbrp_csize;
262	if (do_cmd(s, BRDGGTO, &param, sizeof(param), 0) < 0)
263		return;
264	ctime = param.ifbrp_ctime;
265	if (do_cmd(s, BRDGPARAM, &ifbp, sizeof(ifbp), 0) < 0)
266		return;
267	pri = ifbp.ifbop_priority;
268	pro = ifbp.ifbop_protocol;
269	ht = ifbp.ifbop_hellotime;
270	fd = ifbp.ifbop_fwddelay;
271	hc = ifbp.ifbop_holdcount;
272	ma = ifbp.ifbop_maxage;
273
274	PV2ID(ifbp.ifbop_bridgeid, bprio, lladdr);
275	printf("\tid %s priority %u hellotime %u fwddelay %u\n",
276	    ether_ntoa((struct ether_addr *)lladdr), pri, ht, fd);
277	printf("\tmaxage %u holdcnt %u proto %s maxaddr %u timeout %u\n",
278	    ma, hc, stpproto[pro], csize, ctime);
279
280	PV2ID(ifbp.ifbop_designated_root, bprio, lladdr);
281	printf("\troot id %s priority %d ifcost %u port %u\n",
282	    ether_ntoa((struct ether_addr *)lladdr), bprio,
283	    ifbp.ifbop_root_path_cost, ifbp.ifbop_root_port & 0xfff);
284
285	bridge_interfaces(s, "\tmember: ");
286
287	return;
288
289}
290
291static void
292setbridge_add(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, BRDGADD, &req, sizeof(req), 1) < 0)
299		err(1, "BRDGADD %s",  val);
300}
301
302static void
303setbridge_delete(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, BRDGDEL, &req, sizeof(req), 1) < 0)
310		err(1, "BRDGDEL %s",  val);
311}
312
313static void
314setbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
315{
316
317	do_bridgeflag(s, val, IFBIF_DISCOVER, 1);
318}
319
320static void
321unsetbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
322{
323
324	do_bridgeflag(s, val, IFBIF_DISCOVER, 0);
325}
326
327static void
328setbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
329{
330
331	do_bridgeflag(s, val, IFBIF_LEARNING,  1);
332}
333
334static void
335unsetbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
336{
337
338	do_bridgeflag(s, val, IFBIF_LEARNING,  0);
339}
340
341static void
342setbridge_sticky(const char *val, int d, int s, const struct afswtch *afp)
343{
344
345	do_bridgeflag(s, val, IFBIF_STICKY,  1);
346}
347
348static void
349unsetbridge_sticky(const char *val, int d, int s, const struct afswtch *afp)
350{
351
352	do_bridgeflag(s, val, IFBIF_STICKY,  0);
353}
354
355static void
356setbridge_span(const char *val, int d, int s, const struct afswtch *afp)
357{
358	struct ifbreq req;
359
360	memset(&req, 0, sizeof(req));
361	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
362	if (do_cmd(s, BRDGADDS, &req, sizeof(req), 1) < 0)
363		err(1, "BRDGADDS %s",  val);
364}
365
366static void
367unsetbridge_span(const char *val, int d, int s, const struct afswtch *afp)
368{
369	struct ifbreq req;
370
371	memset(&req, 0, sizeof(req));
372	strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
373	if (do_cmd(s, BRDGDELS, &req, sizeof(req), 1) < 0)
374		err(1, "BRDGDELS %s",  val);
375}
376
377static void
378setbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
379{
380
381	do_bridgeflag(s, val, IFBIF_STP, 1);
382}
383
384static void
385unsetbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
386{
387
388	do_bridgeflag(s, val, IFBIF_STP, 0);
389}
390
391static void
392setbridge_edge(const char *val, int d, int s, const struct afswtch *afp)
393{
394	do_bridgeflag(s, val, IFBIF_BSTP_EDGE, 1);
395}
396
397static void
398unsetbridge_edge(const char *val, int d, int s, const struct afswtch *afp)
399{
400	do_bridgeflag(s, val, IFBIF_BSTP_EDGE, 0);
401}
402
403static void
404setbridge_autoedge(const char *val, int d, int s, const struct afswtch *afp)
405{
406	do_bridgeflag(s, val, IFBIF_BSTP_AUTOEDGE, 1);
407}
408
409static void
410unsetbridge_autoedge(const char *val, int d, int s, const struct afswtch *afp)
411{
412	do_bridgeflag(s, val, IFBIF_BSTP_AUTOEDGE, 0);
413}
414
415static void
416setbridge_ptp(const char *val, int d, int s, const struct afswtch *afp)
417{
418	do_bridgeflag(s, val, IFBIF_BSTP_PTP, 1);
419}
420
421static void
422unsetbridge_ptp(const char *val, int d, int s, const struct afswtch *afp)
423{
424	do_bridgeflag(s, val, IFBIF_BSTP_PTP, 0);
425}
426
427static void
428setbridge_autoptp(const char *val, int d, int s, const struct afswtch *afp)
429{
430	do_bridgeflag(s, val, IFBIF_BSTP_AUTOPTP, 1);
431}
432
433static void
434unsetbridge_autoptp(const char *val, int d, int s, const struct afswtch *afp)
435{
436	do_bridgeflag(s, val, IFBIF_BSTP_AUTOPTP, 0);
437}
438
439static void
440setbridge_flush(const char *val, int d, int s, const struct afswtch *afp)
441{
442	struct ifbreq req;
443
444	memset(&req, 0, sizeof(req));
445	req.ifbr_ifsflags = IFBF_FLUSHDYN;
446	if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
447		err(1, "BRDGFLUSH");
448}
449
450static void
451setbridge_flushall(const char *val, int d, int s, const struct afswtch *afp)
452{
453	struct ifbreq req;
454
455	memset(&req, 0, sizeof(req));
456	req.ifbr_ifsflags = IFBF_FLUSHALL;
457	if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
458		err(1, "BRDGFLUSH");
459}
460
461static void
462setbridge_static(const char *val, const char *mac, int s,
463    const struct afswtch *afp)
464{
465	struct ifbareq req;
466	struct ether_addr *ea;
467
468	memset(&req, 0, sizeof(req));
469	strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
470
471	ea = ether_aton(mac);
472	if (ea == NULL)
473		errx(1, "%s: invalid address: %s", val, mac);
474
475	memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
476	req.ifba_flags = IFBAF_STATIC;
477
478	if (do_cmd(s, BRDGSADDR, &req, sizeof(req), 1) < 0)
479		err(1, "BRDGSADDR %s",  val);
480}
481
482static void
483setbridge_deladdr(const char *val, int d, int s, const struct afswtch *afp)
484{
485	struct ifbareq req;
486	struct ether_addr *ea;
487
488	memset(&req, 0, sizeof(req));
489
490	ea = ether_aton(val);
491	if (ea == NULL)
492		errx(1, "invalid address: %s",  val);
493
494	memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
495
496	if (do_cmd(s, BRDGDADDR, &req, sizeof(req), 1) < 0)
497		err(1, "BRDGDADDR %s",  val);
498}
499
500static void
501setbridge_addr(const char *val, int d, int s, const struct afswtch *afp)
502{
503
504	bridge_addresses(s, "");
505}
506
507static void
508setbridge_maxaddr(const char *arg, int d, int s, const struct afswtch *afp)
509{
510	struct ifbrparam param;
511	u_long val;
512
513	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
514		errx(1, "invalid value: %s",  arg);
515
516	param.ifbrp_csize = val & 0xffffffff;
517
518	if (do_cmd(s, BRDGSCACHE, &param, sizeof(param), 1) < 0)
519		err(1, "BRDGSCACHE %s",  arg);
520}
521
522static void
523setbridge_hellotime(const char *arg, int d, int s, const struct afswtch *afp)
524{
525	struct ifbrparam param;
526	u_long val;
527
528	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
529		errx(1, "invalid value: %s",  arg);
530
531	param.ifbrp_hellotime = val & 0xff;
532
533	if (do_cmd(s, BRDGSHT, &param, sizeof(param), 1) < 0)
534		err(1, "BRDGSHT %s",  arg);
535}
536
537static void
538setbridge_fwddelay(const char *arg, int d, int s, const struct afswtch *afp)
539{
540	struct ifbrparam param;
541	u_long val;
542
543	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
544		errx(1, "invalid value: %s",  arg);
545
546	param.ifbrp_fwddelay = val & 0xff;
547
548	if (do_cmd(s, BRDGSFD, &param, sizeof(param), 1) < 0)
549		err(1, "BRDGSFD %s",  arg);
550}
551
552static void
553setbridge_maxage(const char *arg, int d, int s, const struct afswtch *afp)
554{
555	struct ifbrparam param;
556	u_long val;
557
558	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
559		errx(1, "invalid value: %s",  arg);
560
561	param.ifbrp_maxage = val & 0xff;
562
563	if (do_cmd(s, BRDGSMA, &param, sizeof(param), 1) < 0)
564		err(1, "BRDGSMA %s",  arg);
565}
566
567static void
568setbridge_priority(const char *arg, int d, int s, const struct afswtch *afp)
569{
570	struct ifbrparam param;
571	u_long val;
572
573	if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
574		errx(1, "invalid value: %s",  arg);
575
576	param.ifbrp_prio = val & 0xffff;
577
578	if (do_cmd(s, BRDGSPRI, &param, sizeof(param), 1) < 0)
579		err(1, "BRDGSPRI %s",  arg);
580}
581
582static void
583setbridge_protocol(const char *arg, int d, int s, const struct afswtch *afp)
584{
585	struct ifbrparam param;
586
587	if (strcasecmp(arg, "stp") == 0) {
588		param.ifbrp_proto = 0;
589	} else if (strcasecmp(arg, "rstp") == 0) {
590		param.ifbrp_proto = 2;
591	} else {
592		errx(1, "unknown stp protocol");
593	}
594
595	if (do_cmd(s, BRDGSPROTO, &param, sizeof(param), 1) < 0)
596		err(1, "BRDGSPROTO %s",  arg);
597}
598
599static void
600setbridge_holdcount(const char *arg, int d, int s, const struct afswtch *afp)
601{
602	struct ifbrparam param;
603	u_long val;
604
605	if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
606		errx(1, "invalid value: %s",  arg);
607
608	param.ifbrp_txhc = val & 0xff;
609
610	if (do_cmd(s, BRDGSTXHC, &param, sizeof(param), 1) < 0)
611		err(1, "BRDGSTXHC %s",  arg);
612}
613
614static void
615setbridge_ifpriority(const char *ifn, const char *pri, int s,
616    const struct afswtch *afp)
617{
618	struct ifbreq req;
619	u_long val;
620
621	memset(&req, 0, sizeof(req));
622
623	if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
624		errx(1, "invalid value: %s",  pri);
625
626	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
627	req.ifbr_priority = val & 0xff;
628
629	if (do_cmd(s, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
630		err(1, "BRDGSIFPRIO %s",  pri);
631}
632
633static void
634setbridge_ifpathcost(const char *ifn, const char *cost, int s,
635    const struct afswtch *afp)
636{
637	struct ifbreq req;
638	u_long val;
639
640	memset(&req, 0, sizeof(req));
641
642	if (get_val(cost, &val) < 0)
643		errx(1, "invalid value: %s",  cost);
644
645	strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
646	req.ifbr_path_cost = val;
647
648	if (do_cmd(s, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
649		err(1, "BRDGSIFCOST %s",  cost);
650}
651
652static void
653setbridge_timeout(const char *arg, int d, int s, const struct afswtch *afp)
654{
655	struct ifbrparam param;
656	u_long val;
657
658	if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
659		errx(1, "invalid value: %s",  arg);
660
661	param.ifbrp_ctime = val & 0xffffffff;
662
663	if (do_cmd(s, BRDGSTO, &param, sizeof(param), 1) < 0)
664		err(1, "BRDGSTO %s",  arg);
665}
666
667static struct cmd bridge_cmds[] = {
668	DEF_CMD_ARG("addm",		setbridge_add),
669	DEF_CMD_ARG("deletem",		setbridge_delete),
670	DEF_CMD_ARG("discover",		setbridge_discover),
671	DEF_CMD_ARG("-discover",	unsetbridge_discover),
672	DEF_CMD_ARG("learn",		setbridge_learn),
673	DEF_CMD_ARG("-learn",		unsetbridge_learn),
674	DEF_CMD_ARG("sticky",		setbridge_sticky),
675	DEF_CMD_ARG("-sticky",		unsetbridge_sticky),
676	DEF_CMD_ARG("span",		setbridge_span),
677	DEF_CMD_ARG("-span",		unsetbridge_span),
678	DEF_CMD_ARG("stp",		setbridge_stp),
679	DEF_CMD_ARG("-stp",		unsetbridge_stp),
680	DEF_CMD_ARG("edge",		setbridge_edge),
681	DEF_CMD_ARG("-edge",		unsetbridge_edge),
682	DEF_CMD_ARG("autoedge",		setbridge_autoedge),
683	DEF_CMD_ARG("-autoedge",	unsetbridge_autoedge),
684	DEF_CMD_ARG("ptp",		setbridge_ptp),
685	DEF_CMD_ARG("-ptp",		unsetbridge_ptp),
686	DEF_CMD_ARG("autoptp",		setbridge_autoptp),
687	DEF_CMD_ARG("-autoptp",		unsetbridge_autoptp),
688	DEF_CMD("flush", 0,		setbridge_flush),
689	DEF_CMD("flushall", 0,		setbridge_flushall),
690	DEF_CMD_ARG2("static",		setbridge_static),
691	DEF_CMD_ARG("deladdr",		setbridge_deladdr),
692	DEF_CMD("addr",	 1,		setbridge_addr),
693	DEF_CMD_ARG("maxaddr",		setbridge_maxaddr),
694	DEF_CMD_ARG("hellotime",	setbridge_hellotime),
695	DEF_CMD_ARG("fwddelay",		setbridge_fwddelay),
696	DEF_CMD_ARG("maxage",		setbridge_maxage),
697	DEF_CMD_ARG("priority",		setbridge_priority),
698	DEF_CMD_ARG("proto",		setbridge_protocol),
699	DEF_CMD_ARG("holdcnt",		setbridge_holdcount),
700	DEF_CMD_ARG2("ifpriority",	setbridge_ifpriority),
701	DEF_CMD_ARG2("ifpathcost",	setbridge_ifpathcost),
702	DEF_CMD_ARG("timeout",		setbridge_timeout),
703};
704static struct afswtch af_bridge = {
705	.af_name	= "af_bridge",
706	.af_af		= AF_UNSPEC,
707	.af_other_status = bridge_status,
708};
709
710static __constructor void
711bridge_ctor(void)
712{
713#define	N(a)	(sizeof(a) / sizeof(a[0]))
714	int i;
715
716	for (i = 0; i < N(bridge_cmds);  i++)
717		cmd_register(&bridge_cmds[i]);
718	af_register(&af_bridge);
719#undef N
720}
721