2 * Copyright 2001 Wasabi Systems, Inc.
5 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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.
35 * $FreeBSD: src/sbin/ifconfig/ifbridge.c,v 1.1.2.2 2005/12/28 04:12:58 thompsa Exp $
38 #include <sys/param.h>
39 #include <sys/ioctl.h>
40 #include <sys/socket.h>
41 #include <sys/sockio.h>
46 #include <net/ethernet.h>
48 #include <net/bridge/if_bridgevar.h>
49 #include <net/route.h>
62 get_val(const char *cp, u_long *valp)
68 val = strtoul(cp, &endptr, 0);
69 if (cp[0] == '\0' || endptr[0] != '\0' || errno == ERANGE)
77 do_cmd(int sock, u_long op, void *arg, size_t argsize, int set)
81 memset(&ifd, 0, sizeof(ifd));
83 strlcpy(ifd.ifd_name, ifr.ifr_name, sizeof(ifd.ifd_name));
85 ifd.ifd_len = argsize;
88 return (ioctl(sock, set ? SIOCSDRVSPEC : SIOCGDRVSPEC, &ifd));
92 do_bridgeflag(int sock, const char *ifs, int flag, int set)
96 strlcpy(req.ifbr_ifsname, ifs, sizeof(req.ifbr_ifsname));
98 if (do_cmd(sock, BRDGGIFFLGS, &req, sizeof(req), 0) < 0)
99 err(1, "unable to get bridge flags");
102 req.ifbr_ifsflags |= flag;
104 req.ifbr_ifsflags &= ~flag;
106 if (do_cmd(sock, BRDGSIFFLGS, &req, sizeof(req), 1) < 0)
107 err(1, "unable to set bridge flags");
111 bridge_interfaces(int s, const char *prefix)
113 static const char *stpstates[] = {
121 struct ifbifconf bifc;
123 char *inbuf = NULL, *ninbuf;
127 pad = strdup(prefix);
130 /* replace the prefix with whitespace */
131 for (p = pad; *p != '\0'; p++) {
137 ninbuf = realloc(inbuf, len);
139 err(1, "unable to allocate interface buffer");
140 bifc.ifbic_len = len;
141 bifc.ifbic_buf = inbuf = ninbuf;
142 if (do_cmd(s, BRDGGIFS, &bifc, sizeof(bifc), 0) < 0)
143 err(1, "unable to get interface list");
144 if ((bifc.ifbic_len + sizeof(*req)) < len)
149 for (i = 0; i < bifc.ifbic_len / sizeof(*req); i++) {
150 req = bifc.ifbic_req + i;
151 printf("%s%s ", prefix, req->ifbr_ifsname);
152 printb("flags", req->ifbr_ifsflags, IFBIFBITS);
155 if (req->ifbr_ifsflags & IFBIF_STP) {
157 printf("port %u priority %u",
158 req->ifbr_portno, req->ifbr_priority);
159 printf(" path cost %u", req->ifbr_path_cost);
160 if (req->ifbr_state <
161 sizeof(stpstates) / sizeof(stpstates[0]))
162 printf(" %s", stpstates[req->ifbr_state]);
164 printf(" <unknown state %d>",
167 printf("%sdesignated root: %016jx\n",
168 pad, (intmax_t)req->ifbr_designated_root);
169 printf("%sdesignated bridge: %016jx\n",
170 pad, (intmax_t)req->ifbr_designated_bridge);
171 printf("%sdesignated cost: %u\n",
172 pad, req->ifbr_designated_cost);
173 printf("%sdesignated port: %u\n",
174 pad, req->ifbr_designated_port);
182 bridge_addresses(int s, const char *prefix)
184 struct ifbaconf ifbac;
185 struct ifbareq *ifba;
186 char *inbuf = NULL, *ninbuf;
188 struct ether_addr ea;
191 ninbuf = realloc(inbuf, len);
193 err(1, "unable to allocate address buffer");
194 ifbac.ifbac_len = len;
195 ifbac.ifbac_buf = inbuf = ninbuf;
196 if (do_cmd(s, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
197 err(1, "unable to get address cache");
198 if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
203 for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
204 ifba = ifbac.ifbac_req + i;
205 memcpy(ea.octet, ifba->ifba_dst,
207 printf("%s%s %s %lu ", prefix, ether_ntoa(&ea),
208 ifba->ifba_ifsname, ifba->ifba_expire);
209 printb("flags", ifba->ifba_flags, IFBAFBITS);
219 struct ifbrparam param;
223 if (do_cmd(s, BRDGGPRI, ¶m, sizeof(param), 0) < 0)
225 pri = param.ifbrp_prio;
227 if (do_cmd(s, BRDGGHT, ¶m, sizeof(param), 0) < 0)
229 ht = param.ifbrp_hellotime;
231 if (do_cmd(s, BRDGGFD, ¶m, sizeof(param), 0) < 0)
233 fd = param.ifbrp_fwddelay;
235 if (do_cmd(s, BRDGGMA, ¶m, sizeof(param), 0) < 0)
237 ma = param.ifbrp_maxage;
239 printf("\tpriority %u hellotime %u fwddelay %u maxage %u\n",
242 bridge_interfaces(s, "\tmember: ");
249 setbridge_add(const char *val, int d, int s, const struct afswtch *afp)
253 memset(&req, 0, sizeof(req));
254 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
255 if (do_cmd(s, BRDGADD, &req, sizeof(req), 1) < 0)
256 err(1, "BRDGADD %s", val);
260 setbridge_delete(const char *val, int d, int s, const struct afswtch *afp)
264 memset(&req, 0, sizeof(req));
265 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
266 if (do_cmd(s, BRDGDEL, &req, sizeof(req), 1) < 0)
267 err(1, "BRDGDEL %s", val);
271 setbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
274 do_bridgeflag(s, val, IFBIF_DISCOVER, 1);
278 unsetbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
281 do_bridgeflag(s, val, IFBIF_DISCOVER, 0);
285 setbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
288 do_bridgeflag(s, val, IFBIF_LEARNING, 1);
292 unsetbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
295 do_bridgeflag(s, val, IFBIF_LEARNING, 0);
299 setbridge_span(const char *val, int d, int s, const struct afswtch *afp)
303 memset(&req, 0, sizeof(req));
304 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
305 if (do_cmd(s, BRDGADDS, &req, sizeof(req), 1) < 0)
306 err(1, "BRDGADDS %s", val);
310 unsetbridge_span(const char *val, int d, int s, const struct afswtch *afp)
314 memset(&req, 0, sizeof(req));
315 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
316 if (do_cmd(s, BRDGDELS, &req, sizeof(req), 1) < 0)
317 err(1, "BRDGDELS %s", val);
321 setbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
324 do_bridgeflag(s, val, IFBIF_STP, 1);
328 unsetbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
331 do_bridgeflag(s, val, IFBIF_STP, 0);
335 setbridge_flush(const char *val, int d, int s, const struct afswtch *afp)
339 memset(&req, 0, sizeof(req));
340 req.ifbr_ifsflags = IFBF_FLUSHDYN;
341 if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
346 setbridge_flushall(const char *val, int d, int s, const struct afswtch *afp)
350 memset(&req, 0, sizeof(req));
351 req.ifbr_ifsflags = IFBF_FLUSHALL;
352 if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
357 setbridge_static(const char *val, const char *mac, int s,
358 const struct afswtch *afp)
361 struct ether_addr *ea;
363 memset(&req, 0, sizeof(req));
364 strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
366 ea = ether_aton(mac);
368 errx(1, "%s: invalid address: %s", val, mac);
370 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
371 req.ifba_flags = IFBAF_STATIC;
373 if (do_cmd(s, BRDGSADDR, &req, sizeof(req), 1) < 0)
374 err(1, "BRDGSADDR %s", val);
378 setbridge_deladdr(const char *val, int d, int s, const struct afswtch *afp)
381 struct ether_addr *ea;
383 memset(&req, 0, sizeof(req));
385 ea = ether_aton(val);
387 errx(1, "invalid address: %s", val);
389 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
391 if (do_cmd(s, BRDGDADDR, &req, sizeof(req), 1) < 0)
392 err(1, "BRDGDADDR %s", val);
396 getbridge_addr(const char *val, int d, int s, const struct afswtch *afp)
398 bridge_addresses(s, "");
402 setbridge_maxaddr(const char *arg, int d, int s, const struct afswtch *afp)
404 struct ifbrparam param;
407 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
408 errx(1, "invalid value: %s", arg);
410 param.ifbrp_csize = val & 0xffffffff;
412 if (do_cmd(s, BRDGSCACHE, ¶m, sizeof(param), 1) < 0)
413 err(1, "BRDGSCACHE %s", arg);
417 setbridge_hellotime(const char *arg, int d, int s, const struct afswtch *afp)
419 struct ifbrparam param;
422 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
423 errx(1, "invalid value: %s", arg);
425 param.ifbrp_hellotime = val & 0xff;
427 if (do_cmd(s, BRDGSHT, ¶m, sizeof(param), 1) < 0)
428 err(1, "BRDGSHT %s", arg);
432 setbridge_fwddelay(const char *arg, int d, int s, const struct afswtch *afp)
434 struct ifbrparam param;
437 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
438 errx(1, "invalid value: %s", arg);
440 param.ifbrp_fwddelay = val & 0xff;
442 if (do_cmd(s, BRDGSFD, ¶m, sizeof(param), 1) < 0)
443 err(1, "BRDGSFD %s", arg);
447 setbridge_maxage(const char *arg, int d, int s, const struct afswtch *afp)
449 struct ifbrparam param;
452 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
453 errx(1, "invalid value: %s", arg);
455 param.ifbrp_maxage = val & 0xff;
457 if (do_cmd(s, BRDGSMA, ¶m, sizeof(param), 1) < 0)
458 err(1, "BRDGSMA %s", arg);
462 setbridge_priority(const char *arg, int d, int s, const struct afswtch *afp)
464 struct ifbrparam param;
467 if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
468 errx(1, "invalid value: %s", arg);
470 param.ifbrp_prio = val & 0xffff;
472 if (do_cmd(s, BRDGSPRI, ¶m, sizeof(param), 1) < 0)
473 err(1, "BRDGSPRI %s", arg);
477 setbridge_ifpriority(const char *ifn, const char *pri, int s,
478 const struct afswtch *afp)
483 memset(&req, 0, sizeof(req));
485 if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
486 errx(1, "invalid value: %s", pri);
488 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
489 req.ifbr_priority = val & 0xff;
491 if (do_cmd(s, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
492 err(1, "BRDGSIFPRIO %s", pri);
496 setbridge_ifpathcost(const char *ifn, const char *cost, int s,
497 const struct afswtch *afp)
502 memset(&req, 0, sizeof(req));
504 if (get_val(cost, &val) < 0 || (val & ~0xff) != 0)
505 errx(1, "invalid value: %s", cost);
507 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
508 req.ifbr_path_cost = val & 0xffff;
510 if (do_cmd(s, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
511 err(1, "BRDGSIFCOST %s", cost);
515 setbridge_timeout(const char *arg, int d, int s, const struct afswtch *afp)
517 struct ifbrparam param;
520 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
521 errx(1, "invalid value: %s", arg);
523 param.ifbrp_ctime = val & 0xffffffff;
525 if (do_cmd(s, BRDGSTO, ¶m, sizeof(param), 1) < 0)
526 err(1, "BRDGSTO %s", arg);
529 static struct cmd bridge_cmds[] = {
530 DEF_CMD_ARG("addm", setbridge_add),
531 DEF_CMD_ARG("deletem", setbridge_delete),
532 DEF_CMD_ARG("discover", setbridge_discover),
533 DEF_CMD_ARG("-discover", unsetbridge_discover),
534 DEF_CMD_ARG("learn", setbridge_learn),
535 DEF_CMD_ARG("-learn", unsetbridge_learn),
536 DEF_CMD_ARG("span", setbridge_span),
537 DEF_CMD_ARG("-span", unsetbridge_span),
538 DEF_CMD_ARG("stp", setbridge_stp),
539 DEF_CMD_ARG("-stp", unsetbridge_stp),
540 DEF_CMD("flush", 0, setbridge_flush),
541 DEF_CMD("flushall", 0, setbridge_flushall),
542 DEF_CMD_ARG2("static", setbridge_static),
543 DEF_CMD_ARG("deladdr", setbridge_deladdr),
544 DEF_CMD("addr", 1, getbridge_addr),
545 DEF_CMD_ARG("maxaddr", setbridge_maxaddr),
546 DEF_CMD_ARG("hellotime", setbridge_hellotime),
547 DEF_CMD_ARG("fwddelay", setbridge_fwddelay),
548 DEF_CMD_ARG("maxage", setbridge_maxage),
549 DEF_CMD_ARG("priority", setbridge_priority),
550 DEF_CMD_ARG2("ifpriority", setbridge_ifpriority),
551 DEF_CMD_ARG2("ifpathcost", setbridge_ifpathcost),
552 DEF_CMD_ARG("timeout", setbridge_timeout),
554 static struct afswtch af_bridge = {
555 .af_name = "af_bridge",
557 .af_other_status = bridge_status,
560 static __constructor(100) void
563 #define N(a) (sizeof(a) / sizeof(a[0]))
566 for (i = 0; i < N(bridge_cmds); i++)
567 cmd_register(&bridge_cmds[i]);
568 af_register(&af_bridge);