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
get_val(const char * cp,u_long * valp)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
do_cmd(if_ctx * ctx,u_long op,void * arg,size_t argsize,int set)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
do_bridgeflag(if_ctx * ctx,const char * ifs,int flag,int set)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
bridge_addresses(if_ctx * ctx,const char * prefix)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
print_vlans(ifbvlan_set_t * vlans)150 print_vlans(ifbvlan_set_t *vlans)
151 {
152 unsigned printed = 0;
153
154 for (unsigned vlan = DOT1Q_VID_MIN; vlan <= DOT1Q_VID_MAX;) {
155 unsigned last;
156
157 if (!BRVLAN_TEST(vlans, vlan)) {
158 ++vlan;
159 continue;
160 }
161
162 last = vlan;
163 while (last < DOT1Q_VID_MAX && BRVLAN_TEST(vlans, last + 1))
164 ++last;
165
166 if (printed == 0)
167 printf(" tagged ");
168 else
169 printf(",");
170
171 printf("%u", vlan);
172 if (last != vlan)
173 printf("-%u", last);
174 ++printed;
175 vlan = last + 1;
176 }
177 }
178
179 static void
bridge_status(if_ctx * ctx)180 bridge_status(if_ctx *ctx)
181 {
182 struct ifconfig_bridge_status *bridge;
183 struct ifbropreq *params;
184 const char *pad, *prefix;
185 uint8_t lladdr[ETHER_ADDR_LEN];
186 uint16_t bprio;
187
188 if (ifconfig_bridge_get_bridge_status(lifh, ctx->ifname, &bridge) == -1)
189 return;
190
191 params = bridge->params;
192
193 PV2ID(params->ifbop_bridgeid, bprio, lladdr);
194 printf("\tid %s priority %u hellotime %u fwddelay %u\n",
195 ether_ntoa((struct ether_addr *)lladdr),
196 params->ifbop_priority,
197 params->ifbop_hellotime,
198 params->ifbop_fwddelay);
199 printf("\tmaxage %u holdcnt %u proto %s maxaddr %u timeout %u\n",
200 params->ifbop_maxage,
201 params->ifbop_holdcount,
202 stpproto[params->ifbop_protocol],
203 bridge->cache_size,
204 bridge->cache_lifetime);
205 PV2ID(params->ifbop_designated_root, bprio, lladdr);
206 printf("\troot id %s priority %d ifcost %u port %u\n",
207 ether_ntoa((struct ether_addr *)lladdr),
208 bprio,
209 params->ifbop_root_path_cost,
210 params->ifbop_root_port & 0xfff);
211
212 prefix = "\tmember: ";
213 pad = "\t ";
214 for (size_t i = 0; i < bridge->members_count; ++i) {
215 struct ifbreq *member = &bridge->members[i];
216
217 printf("%s%s ", prefix, member->ifbr_ifsname);
218 printb("flags", member->ifbr_ifsflags, IFBIFBITS);
219 printf("\n%s", pad);
220 printf("ifmaxaddr %u port %u priority %u path cost %u",
221 member->ifbr_addrmax,
222 member->ifbr_portno,
223 member->ifbr_priority,
224 member->ifbr_path_cost);
225 if (member->ifbr_ifsflags & IFBIF_STP) {
226 uint8_t proto = member->ifbr_proto;
227 uint8_t role = member->ifbr_role;
228 uint8_t state = member->ifbr_state;
229
230 if (proto < nitems(stpproto))
231 printf(" proto %s", stpproto[proto]);
232 else
233 printf(" <unknown proto %d>", proto);
234 printf("\n%s", pad);
235 if (role < nitems(stproles))
236 printf("role %s", stproles[role]);
237 else
238 printf("<unknown role %d>", role);
239 if (state < nitems(stpstates))
240 printf(" state %s", stpstates[state]);
241 else
242 printf(" <unknown state %d>", state);
243 }
244 if (member->ifbr_untagged != 0)
245 printf(" untagged %u", (unsigned)member->ifbr_untagged);
246 print_vlans(&bridge->member_vlans[i]);
247 printf("\n");
248 }
249
250 ifconfig_bridge_free_bridge_status(bridge);
251 }
252
253 static void
setbridge_add(if_ctx * ctx,const char * val,int dummy __unused)254 setbridge_add(if_ctx *ctx, const char *val, int dummy __unused)
255 {
256 struct ifbreq req;
257
258 memset(&req, 0, sizeof(req));
259 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
260 if (do_cmd(ctx, BRDGADD, &req, sizeof(req), 1) < 0)
261 err(1, "BRDGADD %s", val);
262 }
263
264 static void
setbridge_delete(if_ctx * ctx,const char * val,int dummy __unused)265 setbridge_delete(if_ctx *ctx, const char *val, int dummy __unused)
266 {
267 struct ifbreq req;
268
269 memset(&req, 0, sizeof(req));
270 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
271 if (do_cmd(ctx, BRDGDEL, &req, sizeof(req), 1) < 0)
272 err(1, "BRDGDEL %s", val);
273 }
274
275 static void
setbridge_discover(if_ctx * ctx,const char * val,int dummy __unused)276 setbridge_discover(if_ctx *ctx, const char *val, int dummy __unused)
277 {
278
279 do_bridgeflag(ctx, val, IFBIF_DISCOVER, 1);
280 }
281
282 static void
unsetbridge_discover(if_ctx * ctx,const char * val,int dummy __unused)283 unsetbridge_discover(if_ctx *ctx, const char *val, int dummy __unused)
284 {
285
286 do_bridgeflag(ctx, val, IFBIF_DISCOVER, 0);
287 }
288
289 static void
setbridge_learn(if_ctx * ctx,const char * val,int dummy __unused)290 setbridge_learn(if_ctx *ctx, const char *val, int dummy __unused)
291 {
292
293 do_bridgeflag(ctx, val, IFBIF_LEARNING, 1);
294 }
295
296 static void
unsetbridge_learn(if_ctx * ctx,const char * val,int dummy __unused)297 unsetbridge_learn(if_ctx *ctx, const char *val, int dummy __unused)
298 {
299
300 do_bridgeflag(ctx, val, IFBIF_LEARNING, 0);
301 }
302
303 static void
setbridge_sticky(if_ctx * ctx,const char * val,int dummy __unused)304 setbridge_sticky(if_ctx *ctx, const char *val, int dummy __unused)
305 {
306
307 do_bridgeflag(ctx, val, IFBIF_STICKY, 1);
308 }
309
310 static void
unsetbridge_sticky(if_ctx * ctx,const char * val,int dummy __unused)311 unsetbridge_sticky(if_ctx *ctx, const char *val, int dummy __unused)
312 {
313
314 do_bridgeflag(ctx, val, IFBIF_STICKY, 0);
315 }
316
317 static void
setbridge_span(if_ctx * ctx,const char * val,int dummy __unused)318 setbridge_span(if_ctx *ctx, const char *val, int dummy __unused)
319 {
320 struct ifbreq req;
321
322 memset(&req, 0, sizeof(req));
323 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
324 if (do_cmd(ctx, BRDGADDS, &req, sizeof(req), 1) < 0)
325 err(1, "BRDGADDS %s", val);
326 }
327
328 static void
unsetbridge_span(if_ctx * ctx,const char * val,int dummy __unused)329 unsetbridge_span(if_ctx *ctx, const char *val, int dummy __unused)
330 {
331 struct ifbreq req;
332
333 memset(&req, 0, sizeof(req));
334 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
335 if (do_cmd(ctx, BRDGDELS, &req, sizeof(req), 1) < 0)
336 err(1, "BRDGDELS %s", val);
337 }
338
339 static void
setbridge_stp(if_ctx * ctx,const char * val,int dummy __unused)340 setbridge_stp(if_ctx *ctx, const char *val, int dummy __unused)
341 {
342
343 do_bridgeflag(ctx, val, IFBIF_STP, 1);
344 }
345
346 static void
unsetbridge_stp(if_ctx * ctx,const char * val,int dummy __unused)347 unsetbridge_stp(if_ctx *ctx, const char *val, int dummy __unused)
348 {
349
350 do_bridgeflag(ctx, val, IFBIF_STP, 0);
351 }
352
353 static void
setbridge_edge(if_ctx * ctx,const char * val,int dummy __unused)354 setbridge_edge(if_ctx *ctx, const char *val, int dummy __unused)
355 {
356 do_bridgeflag(ctx, val, IFBIF_BSTP_EDGE, 1);
357 }
358
359 static void
unsetbridge_edge(if_ctx * ctx,const char * val,int dummy __unused)360 unsetbridge_edge(if_ctx *ctx, const char *val, int dummy __unused)
361 {
362 do_bridgeflag(ctx, val, IFBIF_BSTP_EDGE, 0);
363 }
364
365 static void
setbridge_autoedge(if_ctx * ctx,const char * val,int dummy __unused)366 setbridge_autoedge(if_ctx *ctx, const char *val, int dummy __unused)
367 {
368 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOEDGE, 1);
369 }
370
371 static void
unsetbridge_autoedge(if_ctx * ctx,const char * val,int dummy __unused)372 unsetbridge_autoedge(if_ctx *ctx, const char *val, int dummy __unused)
373 {
374 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOEDGE, 0);
375 }
376
377 static void
setbridge_ptp(if_ctx * ctx,const char * val,int dummy __unused)378 setbridge_ptp(if_ctx *ctx, const char *val, int dummy __unused)
379 {
380 do_bridgeflag(ctx, val, IFBIF_BSTP_PTP, 1);
381 }
382
383 static void
unsetbridge_ptp(if_ctx * ctx,const char * val,int dummy __unused)384 unsetbridge_ptp(if_ctx *ctx, const char *val, int dummy __unused)
385 {
386 do_bridgeflag(ctx, val, IFBIF_BSTP_PTP, 0);
387 }
388
389 static void
setbridge_autoptp(if_ctx * ctx,const char * val,int dummy __unused)390 setbridge_autoptp(if_ctx *ctx, const char *val, int dummy __unused)
391 {
392 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOPTP, 1);
393 }
394
395 static void
unsetbridge_autoptp(if_ctx * ctx,const char * val,int dummy __unused)396 unsetbridge_autoptp(if_ctx *ctx, const char *val, int dummy __unused)
397 {
398 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOPTP, 0);
399 }
400
401 static void
setbridge_flush(if_ctx * ctx,const char * val __unused,int dummy __unused)402 setbridge_flush(if_ctx *ctx, const char *val __unused, int dummy __unused)
403 {
404 struct ifbreq req;
405
406 memset(&req, 0, sizeof(req));
407 req.ifbr_ifsflags = IFBF_FLUSHDYN;
408 if (do_cmd(ctx, BRDGFLUSH, &req, sizeof(req), 1) < 0)
409 err(1, "BRDGFLUSH");
410 }
411
412 static void
setbridge_flushall(if_ctx * ctx,const char * val __unused,int dummy __unused)413 setbridge_flushall(if_ctx *ctx, const char *val __unused, int dummy __unused)
414 {
415 struct ifbreq req;
416
417 memset(&req, 0, sizeof(req));
418 req.ifbr_ifsflags = IFBF_FLUSHALL;
419 if (do_cmd(ctx, BRDGFLUSH, &req, sizeof(req), 1) < 0)
420 err(1, "BRDGFLUSH");
421 }
422
423 static void
setbridge_static(if_ctx * ctx,const char * val,const char * mac)424 setbridge_static(if_ctx *ctx, const char *val, const char *mac)
425 {
426 struct ifbareq req;
427 struct ether_addr *ea;
428
429 memset(&req, 0, sizeof(req));
430 strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
431
432 ea = ether_aton(mac);
433 if (ea == NULL)
434 errx(1, "%s: invalid address: %s", val, mac);
435
436 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
437 req.ifba_flags = IFBAF_STATIC;
438 req.ifba_vlan = 0; /* XXX allow user to specify */
439
440 if (do_cmd(ctx, BRDGSADDR, &req, sizeof(req), 1) < 0)
441 err(1, "BRDGSADDR %s", val);
442 }
443
444 static void
setbridge_deladdr(if_ctx * ctx,const char * val,int dummy __unused)445 setbridge_deladdr(if_ctx *ctx, const char *val, int dummy __unused)
446 {
447 struct ifbareq req;
448 struct ether_addr *ea;
449
450 memset(&req, 0, sizeof(req));
451
452 ea = ether_aton(val);
453 if (ea == NULL)
454 errx(1, "invalid address: %s", val);
455
456 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
457
458 if (do_cmd(ctx, BRDGDADDR, &req, sizeof(req), 1) < 0)
459 err(1, "BRDGDADDR %s", val);
460 }
461
462 static void
setbridge_addr(if_ctx * ctx,const char * val __unused,int dummy __unused)463 setbridge_addr(if_ctx *ctx, const char *val __unused, int dummy __unused)
464 {
465
466 bridge_addresses(ctx, "");
467 }
468
469 static void
setbridge_maxaddr(if_ctx * ctx,const char * arg,int dummy __unused)470 setbridge_maxaddr(if_ctx *ctx, const char *arg, int dummy __unused)
471 {
472 struct ifbrparam param;
473 u_long val;
474
475 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
476 errx(1, "invalid value: %s", arg);
477
478 param.ifbrp_csize = val & 0xffffffff;
479
480 if (do_cmd(ctx, BRDGSCACHE, ¶m, sizeof(param), 1) < 0)
481 err(1, "BRDGSCACHE %s", arg);
482 }
483
484 static void
setbridge_hellotime(if_ctx * ctx,const char * arg,int dummy __unused)485 setbridge_hellotime(if_ctx *ctx, const char *arg, int dummy __unused)
486 {
487 struct ifbrparam param;
488 u_long val;
489
490 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
491 errx(1, "invalid value: %s", arg);
492
493 param.ifbrp_hellotime = val & 0xff;
494
495 if (do_cmd(ctx, BRDGSHT, ¶m, sizeof(param), 1) < 0)
496 err(1, "BRDGSHT %s", arg);
497 }
498
499 static void
setbridge_fwddelay(if_ctx * ctx,const char * arg,int dummy __unused)500 setbridge_fwddelay(if_ctx *ctx, const char *arg, int dummy __unused)
501 {
502 struct ifbrparam param;
503 u_long val;
504
505 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
506 errx(1, "invalid value: %s", arg);
507
508 param.ifbrp_fwddelay = val & 0xff;
509
510 if (do_cmd(ctx, BRDGSFD, ¶m, sizeof(param), 1) < 0)
511 err(1, "BRDGSFD %s", arg);
512 }
513
514 static void
setbridge_maxage(if_ctx * ctx,const char * arg,int dummy __unused)515 setbridge_maxage(if_ctx *ctx, const char *arg, int dummy __unused)
516 {
517 struct ifbrparam param;
518 u_long val;
519
520 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
521 errx(1, "invalid value: %s", arg);
522
523 param.ifbrp_maxage = val & 0xff;
524
525 if (do_cmd(ctx, BRDGSMA, ¶m, sizeof(param), 1) < 0)
526 err(1, "BRDGSMA %s", arg);
527 }
528
529 static void
setbridge_priority(if_ctx * ctx,const char * arg,int dummy __unused)530 setbridge_priority(if_ctx *ctx, const char *arg, int dummy __unused)
531 {
532 struct ifbrparam param;
533 u_long val;
534
535 if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
536 errx(1, "invalid value: %s", arg);
537
538 param.ifbrp_prio = val & 0xffff;
539
540 if (do_cmd(ctx, BRDGSPRI, ¶m, sizeof(param), 1) < 0)
541 err(1, "BRDGSPRI %s", arg);
542 }
543
544 static void
setbridge_protocol(if_ctx * ctx,const char * arg,int dummy __unused)545 setbridge_protocol(if_ctx *ctx, const char *arg, int dummy __unused)
546 {
547 struct ifbrparam param;
548
549 if (strcasecmp(arg, "stp") == 0) {
550 param.ifbrp_proto = 0;
551 } else if (strcasecmp(arg, "rstp") == 0) {
552 param.ifbrp_proto = 2;
553 } else {
554 errx(1, "unknown stp protocol");
555 }
556
557 if (do_cmd(ctx, BRDGSPROTO, ¶m, sizeof(param), 1) < 0)
558 err(1, "BRDGSPROTO %s", arg);
559 }
560
561 static void
setbridge_holdcount(if_ctx * ctx,const char * arg,int dummy __unused)562 setbridge_holdcount(if_ctx *ctx, const char *arg, int dummy __unused)
563 {
564 struct ifbrparam param;
565 u_long val;
566
567 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
568 errx(1, "invalid value: %s", arg);
569
570 param.ifbrp_txhc = val & 0xff;
571
572 if (do_cmd(ctx, BRDGSTXHC, ¶m, sizeof(param), 1) < 0)
573 err(1, "BRDGSTXHC %s", arg);
574 }
575
576 static void
setbridge_ifpriority(if_ctx * ctx,const char * ifn,const char * pri)577 setbridge_ifpriority(if_ctx *ctx, const char *ifn, const char *pri)
578 {
579 struct ifbreq req;
580 u_long val;
581
582 memset(&req, 0, sizeof(req));
583
584 if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
585 errx(1, "invalid value: %s", pri);
586
587 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
588 req.ifbr_priority = val & 0xff;
589
590 if (do_cmd(ctx, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
591 err(1, "BRDGSIFPRIO %s", pri);
592 }
593
594 static void
setbridge_ifpathcost(if_ctx * ctx,const char * ifn,const char * cost)595 setbridge_ifpathcost(if_ctx *ctx, const char *ifn, const char *cost)
596 {
597 struct ifbreq req;
598 u_long val;
599
600 memset(&req, 0, sizeof(req));
601
602 if (get_val(cost, &val) < 0)
603 errx(1, "invalid value: %s", cost);
604
605 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
606 req.ifbr_path_cost = val;
607
608 if (do_cmd(ctx, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
609 err(1, "BRDGSIFCOST %s", cost);
610 }
611
612 static void
setbridge_untagged(if_ctx * ctx,const char * ifn,const char * vlanid)613 setbridge_untagged(if_ctx *ctx, const char *ifn, const char *vlanid)
614 {
615 struct ifbreq req;
616 u_long val;
617
618 memset(&req, 0, sizeof(req));
619
620 if (get_val(vlanid, &val) < 0)
621 errx(1, "invalid VLAN identifier: %s", vlanid);
622
623 /*
624 * Reject vlan 0, since it's not a valid vlan identifier and has a
625 * special meaning in the kernel interface.
626 */
627 if (val == 0)
628 errx(1, "invalid VLAN identifier: %lu", val);
629
630 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
631 req.ifbr_untagged = val;
632
633 if (do_cmd(ctx, BRDGSIFUNTAGGED, &req, sizeof(req), 1) < 0)
634 err(1, "BRDGSIFUNTAGGED %s", vlanid);
635 }
636
637 static void
unsetbridge_untagged(if_ctx * ctx,const char * ifn,int dummy __unused)638 unsetbridge_untagged(if_ctx *ctx, const char *ifn, int dummy __unused)
639 {
640 struct ifbreq req;
641
642 memset(&req, 0, sizeof(req));
643
644 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
645 req.ifbr_untagged = 0;
646
647 if (do_cmd(ctx, BRDGSIFUNTAGGED, &req, sizeof(req), 1) < 0)
648 err(1, "BRDGSIFUNTAGGED");
649 }
650
651 static void
setbridge_ifmaxaddr(if_ctx * ctx,const char * ifn,const char * arg)652 setbridge_ifmaxaddr(if_ctx *ctx, const char *ifn, const char *arg)
653 {
654 struct ifbreq req;
655 u_long val;
656
657 memset(&req, 0, sizeof(req));
658
659 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
660 errx(1, "invalid value: %s", arg);
661
662 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
663 req.ifbr_addrmax = val & 0xffffffff;
664
665 if (do_cmd(ctx, BRDGSIFAMAX, &req, sizeof(req), 1) < 0)
666 err(1, "BRDGSIFAMAX %s", arg);
667 }
668
669 static void
setbridge_timeout(if_ctx * ctx,const char * arg,int dummy __unused)670 setbridge_timeout(if_ctx *ctx, const char *arg, int dummy __unused)
671 {
672 struct ifbrparam param;
673 u_long val;
674
675 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
676 errx(1, "invalid value: %s", arg);
677
678 param.ifbrp_ctime = val & 0xffffffff;
679
680 if (do_cmd(ctx, BRDGSTO, ¶m, sizeof(param), 1) < 0)
681 err(1, "BRDGSTO %s", arg);
682 }
683
684 static void
setbridge_private(if_ctx * ctx,const char * val,int dummy __unused)685 setbridge_private(if_ctx *ctx, const char *val, int dummy __unused)
686 {
687 do_bridgeflag(ctx, val, IFBIF_PRIVATE, 1);
688 }
689
690 static void
unsetbridge_private(if_ctx * ctx,const char * val,int dummy __unused)691 unsetbridge_private(if_ctx *ctx, const char *val, int dummy __unused)
692 {
693 do_bridgeflag(ctx, val, IFBIF_PRIVATE, 0);
694 }
695
696 static void
setbridge_vlanfilter(if_ctx * ctx,const char * val,int dummy __unused)697 setbridge_vlanfilter(if_ctx *ctx, const char *val, int dummy __unused)
698 {
699 do_bridgeflag(ctx, val, IFBIF_VLANFILTER, 1);
700 }
701
702 static void
unsetbridge_vlanfilter(if_ctx * ctx,const char * val,int dummy __unused)703 unsetbridge_vlanfilter(if_ctx *ctx, const char *val, int dummy __unused)
704 {
705 do_bridgeflag(ctx, val, IFBIF_VLANFILTER, 0);
706 }
707
708 static int
parse_vlans(ifbvlan_set_t * set,const char * str)709 parse_vlans(ifbvlan_set_t *set, const char *str)
710 {
711 char *s, *token;
712
713 /* "none" means the empty vlan set */
714 if (strcmp(str, "none") == 0) {
715 __BIT_ZERO(BRVLAN_SETSIZE, set);
716 return (0);
717 }
718
719 /* "all" means all vlans, except for 0 and 4095 which are reserved */
720 if (strcmp(str, "all") == 0) {
721 __BIT_FILL(BRVLAN_SETSIZE, set);
722 BRVLAN_CLR(set, DOT1Q_VID_NULL);
723 BRVLAN_CLR(set, DOT1Q_VID_RSVD_IMPL);
724 return (0);
725 }
726
727 if ((s = strdup(str)) == NULL)
728 return (-1);
729
730 while ((token = strsep(&s, ",")) != NULL) {
731 unsigned long first, last;
732 char *p, *lastp;
733
734 if ((lastp = strchr(token, '-')) != NULL)
735 *lastp++ = '\0';
736
737 first = last = strtoul(token, &p, 10);
738 if (*p != '\0')
739 goto err;
740 if (first < DOT1Q_VID_MIN || first > DOT1Q_VID_MAX)
741 goto err;
742
743 if (lastp) {
744 last = strtoul(lastp, &p, 10);
745 if (*p != '\0')
746 goto err;
747 if (last < DOT1Q_VID_MIN || last > DOT1Q_VID_MAX ||
748 last < first)
749 goto err;
750 }
751
752 for (unsigned vlan = first; vlan <= last; ++vlan)
753 BRVLAN_SET(set, vlan);
754 }
755
756 free(s);
757 return (0);
758
759 err:
760 free(s);
761 return (-1);
762 }
763
764 static void
set_bridge_vlanset(if_ctx * ctx,const char * ifn,const char * vlans,int op)765 set_bridge_vlanset(if_ctx *ctx, const char *ifn, const char *vlans, int op)
766 {
767 struct ifbif_vlan_req req;
768
769 memset(&req, 0, sizeof(req));
770
771 if (parse_vlans(&req.bv_set, vlans) != 0)
772 errx(1, "invalid vlan set: %s", vlans);
773
774 strlcpy(req.bv_ifname, ifn, sizeof(req.bv_ifname));
775 req.bv_op = op;
776
777 if (do_cmd(ctx, BRDGSIFVLANSET, &req, sizeof(req), 1) < 0)
778 err(1, "BRDGSIFVLANSET %s", vlans);
779 }
780
781 static void
setbridge_tagged(if_ctx * ctx,const char * ifn,const char * vlans)782 setbridge_tagged(if_ctx *ctx, const char *ifn, const char *vlans)
783 {
784 set_bridge_vlanset(ctx, ifn, vlans, BRDG_VLAN_OP_SET);
785 }
786
787 static void
addbridge_tagged(if_ctx * ctx,const char * ifn,const char * vlans)788 addbridge_tagged(if_ctx *ctx, const char *ifn, const char *vlans)
789 {
790 set_bridge_vlanset(ctx, ifn, vlans, BRDG_VLAN_OP_ADD);
791 }
792
793 static void
delbridge_tagged(if_ctx * ctx,const char * ifn,const char * vlans)794 delbridge_tagged(if_ctx *ctx, const char *ifn, const char *vlans)
795 {
796 set_bridge_vlanset(ctx, ifn, vlans, BRDG_VLAN_OP_DEL);
797 }
798
799 static struct cmd bridge_cmds[] = {
800 DEF_CMD_ARG("addm", setbridge_add),
801 DEF_CMD_ARG("deletem", setbridge_delete),
802 DEF_CMD_ARG("discover", setbridge_discover),
803 DEF_CMD_ARG("-discover", unsetbridge_discover),
804 DEF_CMD_ARG("learn", setbridge_learn),
805 DEF_CMD_ARG("-learn", unsetbridge_learn),
806 DEF_CMD_ARG("sticky", setbridge_sticky),
807 DEF_CMD_ARG("-sticky", unsetbridge_sticky),
808 DEF_CMD_ARG("span", setbridge_span),
809 DEF_CMD_ARG("-span", unsetbridge_span),
810 DEF_CMD_ARG("stp", setbridge_stp),
811 DEF_CMD_ARG("-stp", unsetbridge_stp),
812 DEF_CMD_ARG("edge", setbridge_edge),
813 DEF_CMD_ARG("-edge", unsetbridge_edge),
814 DEF_CMD_ARG("autoedge", setbridge_autoedge),
815 DEF_CMD_ARG("-autoedge", unsetbridge_autoedge),
816 DEF_CMD_ARG("ptp", setbridge_ptp),
817 DEF_CMD_ARG("-ptp", unsetbridge_ptp),
818 DEF_CMD_ARG("autoptp", setbridge_autoptp),
819 DEF_CMD_ARG("-autoptp", unsetbridge_autoptp),
820 DEF_CMD("flush", 0, setbridge_flush),
821 DEF_CMD("flushall", 0, setbridge_flushall),
822 DEF_CMD_ARG2("static", setbridge_static),
823 DEF_CMD_ARG("deladdr", setbridge_deladdr),
824 DEF_CMD("addr", 1, setbridge_addr),
825 DEF_CMD_ARG("maxaddr", setbridge_maxaddr),
826 DEF_CMD_ARG("hellotime", setbridge_hellotime),
827 DEF_CMD_ARG("fwddelay", setbridge_fwddelay),
828 DEF_CMD_ARG("maxage", setbridge_maxage),
829 DEF_CMD_ARG("priority", setbridge_priority),
830 DEF_CMD_ARG("proto", setbridge_protocol),
831 DEF_CMD_ARG("holdcnt", setbridge_holdcount),
832 DEF_CMD_ARG2("ifpriority", setbridge_ifpriority),
833 DEF_CMD_ARG2("ifpathcost", setbridge_ifpathcost),
834 DEF_CMD_ARG2("ifmaxaddr", setbridge_ifmaxaddr),
835 DEF_CMD_ARG("vlanfilter", setbridge_vlanfilter),
836 DEF_CMD_ARG("-vlanfilter", unsetbridge_vlanfilter),
837 DEF_CMD_ARG2("untagged", setbridge_untagged),
838 DEF_CMD_ARG("-untagged", unsetbridge_untagged),
839 DEF_CMD_ARG2("tagged", setbridge_tagged),
840 DEF_CMD_ARG2("+tagged", addbridge_tagged),
841 DEF_CMD_ARG2("-tagged", delbridge_tagged),
842 DEF_CMD_ARG("timeout", setbridge_timeout),
843 DEF_CMD_ARG("private", setbridge_private),
844 DEF_CMD_ARG("-private", unsetbridge_private),
845 };
846 static struct afswtch af_bridge = {
847 .af_name = "af_bridge",
848 .af_af = AF_UNSPEC,
849 .af_other_status = bridge_status,
850 };
851
852 static __constructor void
bridge_ctor(void)853 bridge_ctor(void)
854 {
855 for (size_t i = 0; i < nitems(bridge_cmds); i++)
856 cmd_register(&bridge_cmds[i]);
857 af_register(&af_bridge);
858 }
859