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);
176 printf("%speer root: %016jx\n",
177 pad, (intmax_t)req->ifbr_peer_root);
178 printf("%speer bridge: %016jx\n",
179 pad, (intmax_t)req->ifbr_peer_bridge);
180 printf("%speer cost: %u\n",
181 pad, req->ifbr_peer_cost);
182 printf("%speer port: %u\n",
183 pad, req->ifbr_peer_port);
192 bridge_addresses(int s, const char *prefix)
194 struct ifbaconf ifbac;
195 struct ifbareq *ifba;
196 char *inbuf = NULL, *ninbuf;
198 struct ether_addr ea;
201 ninbuf = realloc(inbuf, len);
203 err(1, "unable to allocate address buffer");
204 ifbac.ifbac_len = len;
205 ifbac.ifbac_buf = inbuf = ninbuf;
206 if (do_cmd(s, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
207 err(1, "unable to get address cache");
208 if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
213 for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
214 ifba = ifbac.ifbac_req + i;
215 memcpy(ea.octet, ifba->ifba_dst,
217 printf("%s%s %s %lu ", prefix, ether_ntoa(&ea),
218 ifba->ifba_ifsname, ifba->ifba_expire);
219 printb("flags", ifba->ifba_flags, IFBAFBITS);
229 struct ifbrparam param;
233 if (do_cmd(s, BRDGGPRI, ¶m, sizeof(param), 0) < 0)
235 pri = param.ifbrp_prio;
237 if (do_cmd(s, BRDGGHT, ¶m, sizeof(param), 0) < 0)
239 ht = param.ifbrp_hellotime;
241 if (do_cmd(s, BRDGGFD, ¶m, sizeof(param), 0) < 0)
243 fd = param.ifbrp_fwddelay;
245 if (do_cmd(s, BRDGGMA, ¶m, sizeof(param), 0) < 0)
247 ma = param.ifbrp_maxage;
249 printf("\tpriority %u hellotime %u fwddelay %u maxage %u\n",
252 bridge_interfaces(s, "\tmember: ");
259 setbridge_add(const char *val, int d, int s, const struct afswtch *afp)
263 memset(&req, 0, sizeof(req));
264 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
265 if (do_cmd(s, BRDGADD, &req, sizeof(req), 1) < 0)
266 err(1, "BRDGADD %s", val);
270 setbridge_delete(const char *val, int d, int s, const struct afswtch *afp)
274 memset(&req, 0, sizeof(req));
275 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
276 if (do_cmd(s, BRDGDEL, &req, sizeof(req), 1) < 0)
277 err(1, "BRDGDEL %s", val);
281 setbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
284 do_bridgeflag(s, val, IFBIF_DISCOVER, 1);
288 unsetbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
291 do_bridgeflag(s, val, IFBIF_DISCOVER, 0);
295 setbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
298 do_bridgeflag(s, val, IFBIF_LEARNING, 1);
302 unsetbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
305 do_bridgeflag(s, val, IFBIF_LEARNING, 0);
309 setbridge_span(const char *val, int d, int s, const struct afswtch *afp)
313 memset(&req, 0, sizeof(req));
314 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
315 if (do_cmd(s, BRDGADDS, &req, sizeof(req), 1) < 0)
316 err(1, "BRDGADDS %s", val);
320 unsetbridge_span(const char *val, int d, int s, const struct afswtch *afp)
324 memset(&req, 0, sizeof(req));
325 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
326 if (do_cmd(s, BRDGDELS, &req, sizeof(req), 1) < 0)
327 err(1, "BRDGDELS %s", val);
331 setbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
334 do_bridgeflag(s, val, IFBIF_STP, 1);
338 unsetbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
341 do_bridgeflag(s, val, IFBIF_STP, 0);
345 setbridge_flush(const char *val, int d, int s, const struct afswtch *afp)
349 memset(&req, 0, sizeof(req));
350 req.ifbr_ifsflags = IFBF_FLUSHDYN;
351 if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
356 setbridge_flushall(const char *val, int d, int s, const struct afswtch *afp)
360 memset(&req, 0, sizeof(req));
361 req.ifbr_ifsflags = IFBF_FLUSHALL;
362 if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
367 setbridge_static(const char *val, const char *mac, int s,
368 const struct afswtch *afp)
371 struct ether_addr *ea;
373 memset(&req, 0, sizeof(req));
374 strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
376 ea = ether_aton(mac);
378 errx(1, "%s: invalid address: %s", val, mac);
380 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
381 req.ifba_flags = IFBAF_STATIC;
383 if (do_cmd(s, BRDGSADDR, &req, sizeof(req), 1) < 0)
384 err(1, "BRDGSADDR %s", val);
388 setbridge_deladdr(const char *val, int d, int s, const struct afswtch *afp)
391 struct ether_addr *ea;
393 memset(&req, 0, sizeof(req));
395 ea = ether_aton(val);
397 errx(1, "invalid address: %s", val);
399 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
401 if (do_cmd(s, BRDGDADDR, &req, sizeof(req), 1) < 0)
402 err(1, "BRDGDADDR %s", val);
406 getbridge_addr(const char *val, int d, int s, const struct afswtch *afp)
408 bridge_addresses(s, "");
412 setbridge_maxaddr(const char *arg, int d, int s, const struct afswtch *afp)
414 struct ifbrparam param;
417 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
418 errx(1, "invalid value: %s", arg);
420 param.ifbrp_csize = val & 0xffffffff;
422 if (do_cmd(s, BRDGSCACHE, ¶m, sizeof(param), 1) < 0)
423 err(1, "BRDGSCACHE %s", arg);
427 setbridge_hellotime(const char *arg, int d, int s, const struct afswtch *afp)
429 struct ifbrparam param;
432 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
433 errx(1, "invalid value: %s", arg);
435 param.ifbrp_hellotime = val & 0xff;
437 if (do_cmd(s, BRDGSHT, ¶m, sizeof(param), 1) < 0)
438 err(1, "BRDGSHT %s", arg);
442 setbridge_fwddelay(const char *arg, int d, int s, const struct afswtch *afp)
444 struct ifbrparam param;
447 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
448 errx(1, "invalid value: %s", arg);
450 param.ifbrp_fwddelay = val & 0xff;
452 if (do_cmd(s, BRDGSFD, ¶m, sizeof(param), 1) < 0)
453 err(1, "BRDGSFD %s", arg);
457 setbridge_maxage(const char *arg, int d, int s, const struct afswtch *afp)
459 struct ifbrparam param;
462 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
463 errx(1, "invalid value: %s", arg);
465 param.ifbrp_maxage = val & 0xff;
467 if (do_cmd(s, BRDGSMA, ¶m, sizeof(param), 1) < 0)
468 err(1, "BRDGSMA %s", arg);
472 setbridge_priority(const char *arg, int d, int s, const struct afswtch *afp)
474 struct ifbrparam param;
477 if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
478 errx(1, "invalid value: %s", arg);
480 param.ifbrp_prio = val & 0xffff;
482 if (do_cmd(s, BRDGSPRI, ¶m, sizeof(param), 1) < 0)
483 err(1, "BRDGSPRI %s", arg);
487 setbridge_ifpriority(const char *ifn, const char *pri, int s,
488 const struct afswtch *afp)
493 memset(&req, 0, sizeof(req));
495 if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
496 errx(1, "invalid value: %s", pri);
498 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
499 req.ifbr_priority = val & 0xff;
501 if (do_cmd(s, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
502 err(1, "BRDGSIFPRIO %s", pri);
506 setbridge_ifpathcost(const char *ifn, const char *cost, int s,
507 const struct afswtch *afp)
512 memset(&req, 0, sizeof(req));
514 if (get_val(cost, &val) < 0 || (val & ~0xff) != 0)
515 errx(1, "invalid value: %s", cost);
517 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
518 req.ifbr_path_cost = val & 0xffff;
520 if (do_cmd(s, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
521 err(1, "BRDGSIFCOST %s", cost);
525 setbridge_timeout(const char *arg, int d, int s, const struct afswtch *afp)
527 struct ifbrparam param;
530 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
531 errx(1, "invalid value: %s", arg);
533 param.ifbrp_ctime = val & 0xffffffff;
535 if (do_cmd(s, BRDGSTO, ¶m, sizeof(param), 1) < 0)
536 err(1, "BRDGSTO %s", arg);
539 static struct cmd bridge_cmds[] = {
540 DEF_CMD_ARG("addm", setbridge_add),
541 DEF_CMD_ARG("deletem", setbridge_delete),
542 DEF_CMD_ARG("discover", setbridge_discover),
543 DEF_CMD_ARG("-discover", unsetbridge_discover),
544 DEF_CMD_ARG("learn", setbridge_learn),
545 DEF_CMD_ARG("-learn", unsetbridge_learn),
546 DEF_CMD_ARG("span", setbridge_span),
547 DEF_CMD_ARG("-span", unsetbridge_span),
548 DEF_CMD_ARG("stp", setbridge_stp),
549 DEF_CMD_ARG("-stp", unsetbridge_stp),
550 DEF_CMD("flush", 0, setbridge_flush),
551 DEF_CMD("flushall", 0, setbridge_flushall),
552 DEF_CMD_ARG2("static", setbridge_static),
553 DEF_CMD_ARG("deladdr", setbridge_deladdr),
554 DEF_CMD("addr", 1, getbridge_addr),
555 DEF_CMD_ARG("maxaddr", setbridge_maxaddr),
556 DEF_CMD_ARG("hellotime", setbridge_hellotime),
557 DEF_CMD_ARG("fwddelay", setbridge_fwddelay),
558 DEF_CMD_ARG("maxage", setbridge_maxage),
559 DEF_CMD_ARG("priority", setbridge_priority),
560 DEF_CMD_ARG2("ifpriority", setbridge_ifpriority),
561 DEF_CMD_ARG2("ifpathcost", setbridge_ifpathcost),
562 DEF_CMD_ARG("timeout", setbridge_timeout),
564 static struct afswtch af_bridge = {
565 .af_name = "af_bridge",
567 .af_other_status = bridge_status,
570 static __constructor(100) void
573 #define N(a) (sizeof(a) / sizeof(a[0]))
576 for (i = 0; i < N(bridge_cmds); i++)
577 cmd_register(&bridge_cmds[i]);
578 af_register(&af_bridge);