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
get_vlan_id(const char * cp,ether_vlanid_t * valp)83 get_vlan_id(const char *cp, ether_vlanid_t *valp)
84 {
85 u_long val;
86
87 if (get_val(cp, &val) == -1)
88 return (-1);
89 if (val < DOT1Q_VID_MIN || val > DOT1Q_VID_MAX)
90 return (-1);
91
92 *valp = (ether_vlanid_t)val;
93 return (0);
94 }
95
96 static int
do_cmd(if_ctx * ctx,u_long op,void * arg,size_t argsize,int set)97 do_cmd(if_ctx *ctx, u_long op, void *arg, size_t argsize, int set)
98 {
99 struct ifdrv ifd = {};
100
101 strlcpy(ifd.ifd_name, ctx->ifname, sizeof(ifd.ifd_name));
102 ifd.ifd_cmd = op;
103 ifd.ifd_len = argsize;
104 ifd.ifd_data = arg;
105
106 return (ioctl_ctx(ctx, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd));
107 }
108
109 static void
do_bridgeflag(if_ctx * ctx,const char * ifs,int flag,int set)110 do_bridgeflag(if_ctx *ctx, const char *ifs, int flag, int set)
111 {
112 struct ifbreq req;
113
114 strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname));
115
116 if (do_cmd(ctx, BRDGGIFFLGS, &req, sizeof(req), 0) < 0)
117 err(1, "unable to get bridge flags");
118
119 if (set)
120 req.ifbr_ifsflags |= flag;
121 else
122 req.ifbr_ifsflags &= ~flag;
123
124 if (do_cmd(ctx, BRDGSIFFLGS, &req, sizeof(req), 1) < 0)
125 err(1, "unable to set bridge flags");
126 }
127
128 static void
bridge_addresses(if_ctx * ctx,const char * prefix)129 bridge_addresses(if_ctx *ctx, const char *prefix)
130 {
131 struct ifbaconf ifbac;
132 struct ifbareq *ifba;
133 char *inbuf = NULL, *ninbuf;
134 size_t len = 8192;
135 struct ether_addr ea;
136
137 for (;;) {
138 ninbuf = realloc(inbuf, len);
139 if (ninbuf == NULL)
140 err(1, "unable to allocate address buffer");
141 ifbac.ifbac_len = len;
142 ifbac.ifbac_buf = inbuf = ninbuf;
143 if (do_cmd(ctx, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
144 err(1, "unable to get address cache");
145 if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
146 break;
147 len *= 2;
148 }
149
150 for (unsigned long i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
151 ifba = ifbac.ifbac_req + i;
152 memcpy(ea.octet, ifba->ifba_dst,
153 sizeof(ea.octet));
154 printf("%s%s Vlan%d %s %lu ", prefix, ether_ntoa(&ea),
155 ifba->ifba_vlan, ifba->ifba_ifsname, ifba->ifba_expire);
156 printb("flags", ifba->ifba_flags, IFBAFBITS);
157 printf("\n");
158 }
159
160 free(inbuf);
161 }
162
163 static void
print_vlans(ifbvlan_set_t * vlans)164 print_vlans(ifbvlan_set_t *vlans)
165 {
166 unsigned printed = 0;
167
168 for (unsigned vlan = DOT1Q_VID_MIN; vlan <= DOT1Q_VID_MAX;) {
169 unsigned last;
170
171 if (!BRVLAN_TEST(vlans, vlan)) {
172 ++vlan;
173 continue;
174 }
175
176 last = vlan;
177 while (last < DOT1Q_VID_MAX && BRVLAN_TEST(vlans, last + 1))
178 ++last;
179
180 if (printed == 0)
181 printf(" tagged ");
182 else
183 printf(",");
184
185 printf("%u", vlan);
186 if (last != vlan)
187 printf("-%u", last);
188 ++printed;
189 vlan = last + 1;
190 }
191 }
192
193 static void
bridge_status(if_ctx * ctx)194 bridge_status(if_ctx *ctx)
195 {
196 struct ifconfig_bridge_status *bridge;
197 struct ifbropreq *params;
198 const char *pad, *prefix;
199 uint8_t lladdr[ETHER_ADDR_LEN];
200 uint16_t bprio;
201
202 if (ifconfig_bridge_get_bridge_status(lifh, ctx->ifname, &bridge) == -1)
203 return;
204
205 params = bridge->params;
206
207 PV2ID(params->ifbop_bridgeid, bprio, lladdr);
208 printf("\tid %s priority %u hellotime %u fwddelay %u\n",
209 ether_ntoa((struct ether_addr *)lladdr),
210 params->ifbop_priority,
211 params->ifbop_hellotime,
212 params->ifbop_fwddelay);
213 printf("\tmaxage %u holdcnt %u proto %s maxaddr %u timeout %u\n",
214 params->ifbop_maxage,
215 params->ifbop_holdcount,
216 stpproto[params->ifbop_protocol],
217 bridge->cache_size,
218 bridge->cache_lifetime);
219 PV2ID(params->ifbop_designated_root, bprio, lladdr);
220 printf("\troot id %s priority %d ifcost %u port %u\n",
221 ether_ntoa((struct ether_addr *)lladdr),
222 bprio,
223 params->ifbop_root_path_cost,
224 params->ifbop_root_port & 0xfff);
225
226 prefix = "\tmember: ";
227 pad = "\t ";
228 for (size_t i = 0; i < bridge->members_count; ++i) {
229 struct ifbreq *member = &bridge->members[i];
230
231 printf("%s%s ", prefix, member->ifbr_ifsname);
232 printb("flags", member->ifbr_ifsflags, IFBIFBITS);
233 printf("\n%s", pad);
234 if (member->ifbr_addrmax != 0)
235 printf("ifmaxaddr %u ", member->ifbr_addrmax);
236 printf("port %u priority %u path cost %u",
237 member->ifbr_portno,
238 member->ifbr_priority,
239 member->ifbr_path_cost);
240 if (member->ifbr_ifsflags & IFBIF_STP) {
241 uint8_t proto = member->ifbr_proto;
242 uint8_t role = member->ifbr_role;
243 uint8_t state = member->ifbr_state;
244
245 if (proto < nitems(stpproto))
246 printf(" proto %s", stpproto[proto]);
247 else
248 printf(" <unknown proto %d>", proto);
249 printf("\n%s", pad);
250 if (role < nitems(stproles))
251 printf("role %s", stproles[role]);
252 else
253 printf("<unknown role %d>", role);
254 if (state < nitems(stpstates))
255 printf(" state %s", stpstates[state]);
256 else
257 printf(" <unknown state %d>", state);
258 }
259 if (member->ifbr_pvid != 0)
260 printf(" untagged %u", (unsigned)member->ifbr_pvid);
261 print_vlans(&bridge->member_vlans[i]);
262 printf("\n");
263 }
264
265 ifconfig_bridge_free_bridge_status(bridge);
266 }
267
268 static void
setbridge_add(if_ctx * ctx,const char * val,int dummy __unused)269 setbridge_add(if_ctx *ctx, const char *val, int dummy __unused)
270 {
271 struct ifbreq req;
272
273 memset(&req, 0, sizeof(req));
274 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
275 if (do_cmd(ctx, BRDGADD, &req, sizeof(req), 1) < 0)
276 err(1, "BRDGADD %s", val);
277 }
278
279 static void
setbridge_delete(if_ctx * ctx,const char * val,int dummy __unused)280 setbridge_delete(if_ctx *ctx, const char *val, int dummy __unused)
281 {
282 struct ifbreq req;
283
284 memset(&req, 0, sizeof(req));
285 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
286 if (do_cmd(ctx, BRDGDEL, &req, sizeof(req), 1) < 0)
287 err(1, "BRDGDEL %s", val);
288 }
289
290 static void
setbridge_discover(if_ctx * ctx,const char * val,int dummy __unused)291 setbridge_discover(if_ctx *ctx, const char *val, int dummy __unused)
292 {
293
294 do_bridgeflag(ctx, val, IFBIF_DISCOVER, 1);
295 }
296
297 static void
unsetbridge_discover(if_ctx * ctx,const char * val,int dummy __unused)298 unsetbridge_discover(if_ctx *ctx, const char *val, int dummy __unused)
299 {
300
301 do_bridgeflag(ctx, val, IFBIF_DISCOVER, 0);
302 }
303
304 static void
setbridge_learn(if_ctx * ctx,const char * val,int dummy __unused)305 setbridge_learn(if_ctx *ctx, const char *val, int dummy __unused)
306 {
307
308 do_bridgeflag(ctx, val, IFBIF_LEARNING, 1);
309 }
310
311 static void
unsetbridge_learn(if_ctx * ctx,const char * val,int dummy __unused)312 unsetbridge_learn(if_ctx *ctx, const char *val, int dummy __unused)
313 {
314
315 do_bridgeflag(ctx, val, IFBIF_LEARNING, 0);
316 }
317
318 static void
setbridge_sticky(if_ctx * ctx,const char * val,int dummy __unused)319 setbridge_sticky(if_ctx *ctx, const char *val, int dummy __unused)
320 {
321
322 do_bridgeflag(ctx, val, IFBIF_STICKY, 1);
323 }
324
325 static void
unsetbridge_sticky(if_ctx * ctx,const char * val,int dummy __unused)326 unsetbridge_sticky(if_ctx *ctx, const char *val, int dummy __unused)
327 {
328
329 do_bridgeflag(ctx, val, IFBIF_STICKY, 0);
330 }
331
332 static void
setbridge_span(if_ctx * ctx,const char * val,int dummy __unused)333 setbridge_span(if_ctx *ctx, const char *val, int dummy __unused)
334 {
335 struct ifbreq req;
336
337 memset(&req, 0, sizeof(req));
338 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
339 if (do_cmd(ctx, BRDGADDS, &req, sizeof(req), 1) < 0)
340 err(1, "BRDGADDS %s", val);
341 }
342
343 static void
unsetbridge_span(if_ctx * ctx,const char * val,int dummy __unused)344 unsetbridge_span(if_ctx *ctx, const char *val, int dummy __unused)
345 {
346 struct ifbreq req;
347
348 memset(&req, 0, sizeof(req));
349 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
350 if (do_cmd(ctx, BRDGDELS, &req, sizeof(req), 1) < 0)
351 err(1, "BRDGDELS %s", val);
352 }
353
354 static void
setbridge_stp(if_ctx * ctx,const char * val,int dummy __unused)355 setbridge_stp(if_ctx *ctx, const char *val, int dummy __unused)
356 {
357
358 do_bridgeflag(ctx, val, IFBIF_STP, 1);
359 }
360
361 static void
unsetbridge_stp(if_ctx * ctx,const char * val,int dummy __unused)362 unsetbridge_stp(if_ctx *ctx, const char *val, int dummy __unused)
363 {
364
365 do_bridgeflag(ctx, val, IFBIF_STP, 0);
366 }
367
368 static void
setbridge_edge(if_ctx * ctx,const char * val,int dummy __unused)369 setbridge_edge(if_ctx *ctx, const char *val, int dummy __unused)
370 {
371 do_bridgeflag(ctx, val, IFBIF_BSTP_EDGE, 1);
372 }
373
374 static void
unsetbridge_edge(if_ctx * ctx,const char * val,int dummy __unused)375 unsetbridge_edge(if_ctx *ctx, const char *val, int dummy __unused)
376 {
377 do_bridgeflag(ctx, val, IFBIF_BSTP_EDGE, 0);
378 }
379
380 static void
setbridge_autoedge(if_ctx * ctx,const char * val,int dummy __unused)381 setbridge_autoedge(if_ctx *ctx, const char *val, int dummy __unused)
382 {
383 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOEDGE, 1);
384 }
385
386 static void
unsetbridge_autoedge(if_ctx * ctx,const char * val,int dummy __unused)387 unsetbridge_autoedge(if_ctx *ctx, const char *val, int dummy __unused)
388 {
389 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOEDGE, 0);
390 }
391
392 static void
setbridge_ptp(if_ctx * ctx,const char * val,int dummy __unused)393 setbridge_ptp(if_ctx *ctx, const char *val, int dummy __unused)
394 {
395 do_bridgeflag(ctx, val, IFBIF_BSTP_PTP, 1);
396 }
397
398 static void
unsetbridge_ptp(if_ctx * ctx,const char * val,int dummy __unused)399 unsetbridge_ptp(if_ctx *ctx, const char *val, int dummy __unused)
400 {
401 do_bridgeflag(ctx, val, IFBIF_BSTP_PTP, 0);
402 }
403
404 static void
setbridge_autoptp(if_ctx * ctx,const char * val,int dummy __unused)405 setbridge_autoptp(if_ctx *ctx, const char *val, int dummy __unused)
406 {
407 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOPTP, 1);
408 }
409
410 static void
unsetbridge_autoptp(if_ctx * ctx,const char * val,int dummy __unused)411 unsetbridge_autoptp(if_ctx *ctx, const char *val, int dummy __unused)
412 {
413 do_bridgeflag(ctx, val, IFBIF_BSTP_AUTOPTP, 0);
414 }
415
416 static void
setbridge_flush(if_ctx * ctx,const char * val __unused,int dummy __unused)417 setbridge_flush(if_ctx *ctx, const char *val __unused, int dummy __unused)
418 {
419 struct ifbreq req;
420
421 memset(&req, 0, sizeof(req));
422 req.ifbr_ifsflags = IFBF_FLUSHDYN;
423 if (do_cmd(ctx, BRDGFLUSH, &req, sizeof(req), 1) < 0)
424 err(1, "BRDGFLUSH");
425 }
426
427 static void
setbridge_flushall(if_ctx * ctx,const char * val __unused,int dummy __unused)428 setbridge_flushall(if_ctx *ctx, const char *val __unused, int dummy __unused)
429 {
430 struct ifbreq req;
431
432 memset(&req, 0, sizeof(req));
433 req.ifbr_ifsflags = IFBF_FLUSHALL;
434 if (do_cmd(ctx, BRDGFLUSH, &req, sizeof(req), 1) < 0)
435 err(1, "BRDGFLUSH");
436 }
437
438 static void
setbridge_static(if_ctx * ctx,const char * val,const char * mac)439 setbridge_static(if_ctx *ctx, const char *val, const char *mac)
440 {
441 struct ifbareq req;
442 struct ether_addr *ea;
443
444 memset(&req, 0, sizeof(req));
445 strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
446
447 ea = ether_aton(mac);
448 if (ea == NULL)
449 errx(1, "%s: invalid address: %s", val, mac);
450
451 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
452 req.ifba_flags = IFBAF_STATIC;
453 req.ifba_vlan = 0; /* XXX allow user to specify */
454
455 if (do_cmd(ctx, BRDGSADDR, &req, sizeof(req), 1) < 0)
456 err(1, "BRDGSADDR %s", val);
457 }
458
459 static void
setbridge_deladdr(if_ctx * ctx,const char * val,int dummy __unused)460 setbridge_deladdr(if_ctx *ctx, const char *val, int dummy __unused)
461 {
462 struct ifbareq req;
463 struct ether_addr *ea;
464
465 memset(&req, 0, sizeof(req));
466
467 ea = ether_aton(val);
468 if (ea == NULL)
469 errx(1, "invalid address: %s", val);
470
471 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
472
473 if (do_cmd(ctx, BRDGDADDR, &req, sizeof(req), 1) < 0)
474 err(1, "BRDGDADDR %s", val);
475 }
476
477 static void
setbridge_addr(if_ctx * ctx,const char * val __unused,int dummy __unused)478 setbridge_addr(if_ctx *ctx, const char *val __unused, int dummy __unused)
479 {
480
481 bridge_addresses(ctx, "");
482 }
483
484 static void
setbridge_maxaddr(if_ctx * ctx,const char * arg,int dummy __unused)485 setbridge_maxaddr(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 & ~0xffffffff) != 0)
491 errx(1, "invalid value: %s", arg);
492
493 param.ifbrp_csize = val & 0xffffffff;
494
495 if (do_cmd(ctx, BRDGSCACHE, ¶m, sizeof(param), 1) < 0)
496 err(1, "BRDGSCACHE %s", arg);
497 }
498
499 static void
setbridge_hellotime(if_ctx * ctx,const char * arg,int dummy __unused)500 setbridge_hellotime(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_hellotime = val & 0xff;
509
510 if (do_cmd(ctx, BRDGSHT, ¶m, sizeof(param), 1) < 0)
511 err(1, "BRDGSHT %s", arg);
512 }
513
514 static void
setbridge_fwddelay(if_ctx * ctx,const char * arg,int dummy __unused)515 setbridge_fwddelay(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_fwddelay = val & 0xff;
524
525 if (do_cmd(ctx, BRDGSFD, ¶m, sizeof(param), 1) < 0)
526 err(1, "BRDGSFD %s", arg);
527 }
528
529 static void
setbridge_maxage(if_ctx * ctx,const char * arg,int dummy __unused)530 setbridge_maxage(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 & ~0xff) != 0)
536 errx(1, "invalid value: %s", arg);
537
538 param.ifbrp_maxage = val & 0xff;
539
540 if (do_cmd(ctx, BRDGSMA, ¶m, sizeof(param), 1) < 0)
541 err(1, "BRDGSMA %s", arg);
542 }
543
544 static void
setbridge_priority(if_ctx * ctx,const char * arg,int dummy __unused)545 setbridge_priority(if_ctx *ctx, const char *arg, int dummy __unused)
546 {
547 struct ifbrparam param;
548 u_long val;
549
550 if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
551 errx(1, "invalid value: %s", arg);
552
553 param.ifbrp_prio = val & 0xffff;
554
555 if (do_cmd(ctx, BRDGSPRI, ¶m, sizeof(param), 1) < 0)
556 err(1, "BRDGSPRI %s", arg);
557 }
558
559 static void
setbridge_protocol(if_ctx * ctx,const char * arg,int dummy __unused)560 setbridge_protocol(if_ctx *ctx, const char *arg, int dummy __unused)
561 {
562 struct ifbrparam param;
563
564 if (strcasecmp(arg, "stp") == 0) {
565 param.ifbrp_proto = 0;
566 } else if (strcasecmp(arg, "rstp") == 0) {
567 param.ifbrp_proto = 2;
568 } else {
569 errx(1, "unknown stp protocol");
570 }
571
572 if (do_cmd(ctx, BRDGSPROTO, ¶m, sizeof(param), 1) < 0)
573 err(1, "BRDGSPROTO %s", arg);
574 }
575
576 static void
setbridge_holdcount(if_ctx * ctx,const char * arg,int dummy __unused)577 setbridge_holdcount(if_ctx *ctx, const char *arg, int dummy __unused)
578 {
579 struct ifbrparam param;
580 u_long val;
581
582 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
583 errx(1, "invalid value: %s", arg);
584
585 param.ifbrp_txhc = val & 0xff;
586
587 if (do_cmd(ctx, BRDGSTXHC, ¶m, sizeof(param), 1) < 0)
588 err(1, "BRDGSTXHC %s", arg);
589 }
590
591 static void
setbridge_ifpriority(if_ctx * ctx,const char * ifn,const char * pri)592 setbridge_ifpriority(if_ctx *ctx, const char *ifn, const char *pri)
593 {
594 struct ifbreq req;
595 u_long val;
596
597 memset(&req, 0, sizeof(req));
598
599 if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
600 errx(1, "invalid value: %s", pri);
601
602 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
603 req.ifbr_priority = val & 0xff;
604
605 if (do_cmd(ctx, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
606 err(1, "BRDGSIFPRIO %s", pri);
607 }
608
609 static void
setbridge_ifpathcost(if_ctx * ctx,const char * ifn,const char * cost)610 setbridge_ifpathcost(if_ctx *ctx, const char *ifn, const char *cost)
611 {
612 struct ifbreq req;
613 u_long val;
614
615 memset(&req, 0, sizeof(req));
616
617 if (get_val(cost, &val) < 0)
618 errx(1, "invalid value: %s", cost);
619
620 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
621 req.ifbr_path_cost = val;
622
623 if (do_cmd(ctx, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
624 err(1, "BRDGSIFCOST %s", cost);
625 }
626
627 static void
setbridge_untagged(if_ctx * ctx,const char * ifn,const char * vlanid)628 setbridge_untagged(if_ctx *ctx, const char *ifn, const char *vlanid)
629 {
630 struct ifbreq req;
631
632 memset(&req, 0, sizeof(req));
633 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
634
635 if (get_vlan_id(vlanid, &req.ifbr_pvid) < 0)
636 errx(1, "invalid VLAN identifier: %s", vlanid);
637
638 if (do_cmd(ctx, BRDGSIFPVID, &req, sizeof(req), 1) < 0)
639 err(1, "BRDGSIFPVID %s", vlanid);
640 }
641
642 static void
unsetbridge_untagged(if_ctx * ctx,const char * ifn,int dummy __unused)643 unsetbridge_untagged(if_ctx *ctx, const char *ifn, int dummy __unused)
644 {
645 struct ifbreq req;
646
647 memset(&req, 0, sizeof(req));
648
649 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
650 req.ifbr_pvid = 0;
651
652 if (do_cmd(ctx, BRDGSIFPVID, &req, sizeof(req), 1) < 0)
653 err(1, "BRDGSIFPVID");
654 }
655
656 static void
setbridge_ifmaxaddr(if_ctx * ctx,const char * ifn,const char * arg)657 setbridge_ifmaxaddr(if_ctx *ctx, const char *ifn, const char *arg)
658 {
659 struct ifbreq req;
660 u_long val;
661
662 memset(&req, 0, sizeof(req));
663
664 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
665 errx(1, "invalid value: %s", arg);
666
667 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
668 req.ifbr_addrmax = val & 0xffffffff;
669
670 if (do_cmd(ctx, BRDGSIFAMAX, &req, sizeof(req), 1) < 0)
671 err(1, "BRDGSIFAMAX %s", arg);
672 }
673
674 static void
setbridge_timeout(if_ctx * ctx,const char * arg,int dummy __unused)675 setbridge_timeout(if_ctx *ctx, const char *arg, int dummy __unused)
676 {
677 struct ifbrparam param;
678 u_long val;
679
680 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
681 errx(1, "invalid value: %s", arg);
682
683 param.ifbrp_ctime = val & 0xffffffff;
684
685 if (do_cmd(ctx, BRDGSTO, ¶m, sizeof(param), 1) < 0)
686 err(1, "BRDGSTO %s", arg);
687 }
688
689 static void
setbridge_private(if_ctx * ctx,const char * val,int dummy __unused)690 setbridge_private(if_ctx *ctx, const char *val, int dummy __unused)
691 {
692 do_bridgeflag(ctx, val, IFBIF_PRIVATE, 1);
693 }
694
695 static void
unsetbridge_private(if_ctx * ctx,const char * val,int dummy __unused)696 unsetbridge_private(if_ctx *ctx, const char *val, int dummy __unused)
697 {
698 do_bridgeflag(ctx, val, IFBIF_PRIVATE, 0);
699 }
700
701 static void
setbridge_vlanfilter(if_ctx * ctx,const char * val,int dummy __unused)702 setbridge_vlanfilter(if_ctx *ctx, const char *val, int dummy __unused)
703 {
704 do_bridgeflag(ctx, val, IFBIF_VLANFILTER, 1);
705 }
706
707 static void
unsetbridge_vlanfilter(if_ctx * ctx,const char * val,int dummy __unused)708 unsetbridge_vlanfilter(if_ctx *ctx, const char *val, int dummy __unused)
709 {
710 do_bridgeflag(ctx, val, IFBIF_VLANFILTER, 0);
711 }
712
713 static int
parse_vlans(ifbvlan_set_t * set,const char * str)714 parse_vlans(ifbvlan_set_t *set, const char *str)
715 {
716 char *s, *token;
717
718 /* "none" means the empty vlan set */
719 if (strcmp(str, "none") == 0) {
720 __BIT_ZERO(BRVLAN_SETSIZE, set);
721 return (0);
722 }
723
724 /* "all" means all vlans, except for 0 and 4095 which are reserved */
725 if (strcmp(str, "all") == 0) {
726 __BIT_FILL(BRVLAN_SETSIZE, set);
727 BRVLAN_CLR(set, DOT1Q_VID_NULL);
728 BRVLAN_CLR(set, DOT1Q_VID_RSVD_IMPL);
729 return (0);
730 }
731
732 if ((s = strdup(str)) == NULL)
733 return (-1);
734
735 while ((token = strsep(&s, ",")) != NULL) {
736 unsigned long first, last;
737 char *p, *lastp;
738
739 if ((lastp = strchr(token, '-')) != NULL)
740 *lastp++ = '\0';
741
742 first = last = strtoul(token, &p, 10);
743 if (*p != '\0')
744 goto err;
745 if (first < DOT1Q_VID_MIN || first > DOT1Q_VID_MAX)
746 goto err;
747
748 if (lastp) {
749 last = strtoul(lastp, &p, 10);
750 if (*p != '\0')
751 goto err;
752 if (last < DOT1Q_VID_MIN || last > DOT1Q_VID_MAX ||
753 last < first)
754 goto err;
755 }
756
757 for (unsigned vlan = first; vlan <= last; ++vlan)
758 BRVLAN_SET(set, vlan);
759 }
760
761 free(s);
762 return (0);
763
764 err:
765 free(s);
766 return (-1);
767 }
768
769 static void
set_bridge_vlanset(if_ctx * ctx,const char * ifn,const char * vlans,int op)770 set_bridge_vlanset(if_ctx *ctx, const char *ifn, const char *vlans, int op)
771 {
772 struct ifbif_vlan_req req;
773
774 memset(&req, 0, sizeof(req));
775
776 if (parse_vlans(&req.bv_set, vlans) != 0)
777 errx(1, "invalid vlan set: %s", vlans);
778
779 strlcpy(req.bv_ifname, ifn, sizeof(req.bv_ifname));
780 req.bv_op = op;
781
782 if (do_cmd(ctx, BRDGSIFVLANSET, &req, sizeof(req), 1) < 0)
783 err(1, "BRDGSIFVLANSET %s", vlans);
784 }
785
786 static void
setbridge_tagged(if_ctx * ctx,const char * ifn,const char * vlans)787 setbridge_tagged(if_ctx *ctx, const char *ifn, const char *vlans)
788 {
789 set_bridge_vlanset(ctx, ifn, vlans, BRDG_VLAN_OP_SET);
790 }
791
792 static void
addbridge_tagged(if_ctx * ctx,const char * ifn,const char * vlans)793 addbridge_tagged(if_ctx *ctx, const char *ifn, const char *vlans)
794 {
795 set_bridge_vlanset(ctx, ifn, vlans, BRDG_VLAN_OP_ADD);
796 }
797
798 static void
delbridge_tagged(if_ctx * ctx,const char * ifn,const char * vlans)799 delbridge_tagged(if_ctx *ctx, const char *ifn, const char *vlans)
800 {
801 set_bridge_vlanset(ctx, ifn, vlans, BRDG_VLAN_OP_DEL);
802 }
803
804 static struct cmd bridge_cmds[] = {
805 DEF_CMD_ARG("addm", setbridge_add),
806 DEF_CMD_ARG("deletem", setbridge_delete),
807 DEF_CMD_ARG("discover", setbridge_discover),
808 DEF_CMD_ARG("-discover", unsetbridge_discover),
809 DEF_CMD_ARG("learn", setbridge_learn),
810 DEF_CMD_ARG("-learn", unsetbridge_learn),
811 DEF_CMD_ARG("sticky", setbridge_sticky),
812 DEF_CMD_ARG("-sticky", unsetbridge_sticky),
813 DEF_CMD_ARG("span", setbridge_span),
814 DEF_CMD_ARG("-span", unsetbridge_span),
815 DEF_CMD_ARG("stp", setbridge_stp),
816 DEF_CMD_ARG("-stp", unsetbridge_stp),
817 DEF_CMD_ARG("edge", setbridge_edge),
818 DEF_CMD_ARG("-edge", unsetbridge_edge),
819 DEF_CMD_ARG("autoedge", setbridge_autoedge),
820 DEF_CMD_ARG("-autoedge", unsetbridge_autoedge),
821 DEF_CMD_ARG("ptp", setbridge_ptp),
822 DEF_CMD_ARG("-ptp", unsetbridge_ptp),
823 DEF_CMD_ARG("autoptp", setbridge_autoptp),
824 DEF_CMD_ARG("-autoptp", unsetbridge_autoptp),
825 DEF_CMD("flush", 0, setbridge_flush),
826 DEF_CMD("flushall", 0, setbridge_flushall),
827 DEF_CMD_ARG2("static", setbridge_static),
828 DEF_CMD_ARG("deladdr", setbridge_deladdr),
829 DEF_CMD("addr", 1, setbridge_addr),
830 DEF_CMD_ARG("maxaddr", setbridge_maxaddr),
831 DEF_CMD_ARG("hellotime", setbridge_hellotime),
832 DEF_CMD_ARG("fwddelay", setbridge_fwddelay),
833 DEF_CMD_ARG("maxage", setbridge_maxage),
834 DEF_CMD_ARG("priority", setbridge_priority),
835 DEF_CMD_ARG("proto", setbridge_protocol),
836 DEF_CMD_ARG("holdcnt", setbridge_holdcount),
837 DEF_CMD_ARG2("ifpriority", setbridge_ifpriority),
838 DEF_CMD_ARG2("ifpathcost", setbridge_ifpathcost),
839 DEF_CMD_ARG2("ifmaxaddr", setbridge_ifmaxaddr),
840 DEF_CMD_ARG("vlanfilter", setbridge_vlanfilter),
841 DEF_CMD_ARG("-vlanfilter", unsetbridge_vlanfilter),
842 DEF_CMD_ARG2("untagged", setbridge_untagged),
843 DEF_CMD_ARG("-untagged", unsetbridge_untagged),
844 DEF_CMD_ARG2("tagged", setbridge_tagged),
845 DEF_CMD_ARG2("+tagged", addbridge_tagged),
846 DEF_CMD_ARG2("-tagged", delbridge_tagged),
847 DEF_CMD_ARG("timeout", setbridge_timeout),
848 DEF_CMD_ARG("private", setbridge_private),
849 DEF_CMD_ARG("-private", unsetbridge_private),
850 };
851 static struct afswtch af_bridge = {
852 .af_name = "af_bridge",
853 .af_af = AF_UNSPEC,
854 .af_other_status = bridge_status,
855 };
856
857 static __constructor void
bridge_ctor(void)858 bridge_ctor(void)
859 {
860 for (size_t i = 0; i < nitems(bridge_cmds); i++)
861 cmd_register(&bridge_cmds[i]);
862 af_register(&af_bridge);
863 }
864