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[] = {
120 struct ifbifconf bifc;
122 char *inbuf = NULL, *ninbuf;
126 pad = strdup(prefix);
129 /* replace the prefix with whitespace */
130 for (p = pad; *p != '\0'; p++) {
136 ninbuf = realloc(inbuf, len);
138 err(1, "unable to allocate interface buffer");
139 bifc.ifbic_len = len;
140 bifc.ifbic_buf = inbuf = ninbuf;
141 if (do_cmd(s, BRDGGIFS, &bifc, sizeof(bifc), 0) < 0)
142 err(1, "unable to get interface list");
143 if ((bifc.ifbic_len + sizeof(*req)) < len)
148 for (i = 0; i < bifc.ifbic_len / sizeof(*req); i++) {
149 req = bifc.ifbic_req + i;
150 printf("%s%s ", prefix, req->ifbr_ifsname);
151 printb("flags", req->ifbr_ifsflags, IFBIFBITS);
154 if (req->ifbr_ifsflags & IFBIF_STP) {
156 printf("port %u priority %u",
157 req->ifbr_portno, req->ifbr_priority);
158 printf(" path cost %u", req->ifbr_path_cost);
159 if (req->ifbr_state <
160 sizeof(stpstates) / sizeof(stpstates[0]))
161 printf(" %s", stpstates[req->ifbr_state]);
163 printf(" <unknown state %d>",
173 bridge_addresses(int s, const char *prefix)
175 struct ifbaconf ifbac;
176 struct ifbareq *ifba;
177 char *inbuf = NULL, *ninbuf;
179 struct ether_addr ea;
182 ninbuf = realloc(inbuf, len);
184 err(1, "unable to allocate address buffer");
185 ifbac.ifbac_len = len;
186 ifbac.ifbac_buf = inbuf = ninbuf;
187 if (do_cmd(s, BRDGRTS, &ifbac, sizeof(ifbac), 0) < 0)
188 err(1, "unable to get address cache");
189 if ((ifbac.ifbac_len + sizeof(*ifba)) < len)
194 for (i = 0; i < ifbac.ifbac_len / sizeof(*ifba); i++) {
195 ifba = ifbac.ifbac_req + i;
196 memcpy(ea.octet, ifba->ifba_dst,
198 printf("%s%s %s %lu ", prefix, ether_ntoa(&ea),
199 ifba->ifba_ifsname, ifba->ifba_expire);
200 printb("flags", ifba->ifba_flags, IFBAFBITS);
210 struct ifbrparam param;
214 if (do_cmd(s, BRDGGPRI, ¶m, sizeof(param), 0) < 0)
216 pri = param.ifbrp_prio;
218 if (do_cmd(s, BRDGGHT, ¶m, sizeof(param), 0) < 0)
220 ht = param.ifbrp_hellotime;
222 if (do_cmd(s, BRDGGFD, ¶m, sizeof(param), 0) < 0)
224 fd = param.ifbrp_fwddelay;
226 if (do_cmd(s, BRDGGMA, ¶m, sizeof(param), 0) < 0)
228 ma = param.ifbrp_maxage;
230 printf("\tpriority %u hellotime %u fwddelay %u maxage %u\n",
233 bridge_interfaces(s, "\tmember: ");
240 setbridge_add(const char *val, int d, int s, const struct afswtch *afp)
244 memset(&req, 0, sizeof(req));
245 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
246 if (do_cmd(s, BRDGADD, &req, sizeof(req), 1) < 0)
247 err(1, "BRDGADD %s", val);
251 setbridge_delete(const char *val, int d, int s, const struct afswtch *afp)
255 memset(&req, 0, sizeof(req));
256 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
257 if (do_cmd(s, BRDGDEL, &req, sizeof(req), 1) < 0)
258 err(1, "BRDGDEL %s", val);
262 setbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
265 do_bridgeflag(s, val, IFBIF_DISCOVER, 1);
269 unsetbridge_discover(const char *val, int d, int s, const struct afswtch *afp)
272 do_bridgeflag(s, val, IFBIF_DISCOVER, 0);
276 setbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
279 do_bridgeflag(s, val, IFBIF_LEARNING, 1);
283 unsetbridge_learn(const char *val, int d, int s, const struct afswtch *afp)
286 do_bridgeflag(s, val, IFBIF_LEARNING, 0);
290 setbridge_span(const char *val, int d, int s, const struct afswtch *afp)
294 memset(&req, 0, sizeof(req));
295 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
296 if (do_cmd(s, BRDGADDS, &req, sizeof(req), 1) < 0)
297 err(1, "BRDGADDS %s", val);
301 unsetbridge_span(const char *val, int d, int s, const struct afswtch *afp)
305 memset(&req, 0, sizeof(req));
306 strlcpy(req.ifbr_ifsname, val, sizeof(req.ifbr_ifsname));
307 if (do_cmd(s, BRDGDELS, &req, sizeof(req), 1) < 0)
308 err(1, "BRDGDELS %s", val);
312 setbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
315 do_bridgeflag(s, val, IFBIF_STP, 1);
319 unsetbridge_stp(const char *val, int d, int s, const struct afswtch *afp)
322 do_bridgeflag(s, val, IFBIF_STP, 0);
326 setbridge_flush(const char *val, int d, int s, const struct afswtch *afp)
330 memset(&req, 0, sizeof(req));
331 req.ifbr_ifsflags = IFBF_FLUSHDYN;
332 if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
337 setbridge_flushall(const char *val, int d, int s, const struct afswtch *afp)
341 memset(&req, 0, sizeof(req));
342 req.ifbr_ifsflags = IFBF_FLUSHALL;
343 if (do_cmd(s, BRDGFLUSH, &req, sizeof(req), 1) < 0)
348 setbridge_static(const char *val, const char *mac, int s,
349 const struct afswtch *afp)
352 struct ether_addr *ea;
354 memset(&req, 0, sizeof(req));
355 strlcpy(req.ifba_ifsname, val, sizeof(req.ifba_ifsname));
357 ea = ether_aton(mac);
359 errx(1, "%s: invalid address: %s", val, mac);
361 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
362 req.ifba_flags = IFBAF_STATIC;
364 if (do_cmd(s, BRDGSADDR, &req, sizeof(req), 1) < 0)
365 err(1, "BRDGSADDR %s", val);
369 setbridge_deladdr(const char *val, int d, int s, const struct afswtch *afp)
372 struct ether_addr *ea;
374 memset(&req, 0, sizeof(req));
376 ea = ether_aton(val);
378 errx(1, "invalid address: %s", val);
380 memcpy(req.ifba_dst, ea->octet, sizeof(req.ifba_dst));
382 if (do_cmd(s, BRDGDADDR, &req, sizeof(req), 1) < 0)
383 err(1, "BRDGDADDR %s", val);
387 getbridge_addr(const char *val, int d, int s, const struct afswtch *afp)
389 bridge_addresses(s, "");
393 setbridge_maxaddr(const char *arg, int d, int s, const struct afswtch *afp)
395 struct ifbrparam param;
398 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
399 errx(1, "invalid value: %s", arg);
401 param.ifbrp_csize = val & 0xffffffff;
403 if (do_cmd(s, BRDGSCACHE, ¶m, sizeof(param), 1) < 0)
404 err(1, "BRDGSCACHE %s", arg);
408 setbridge_hellotime(const char *arg, int d, int s, const struct afswtch *afp)
410 struct ifbrparam param;
413 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
414 errx(1, "invalid value: %s", arg);
416 param.ifbrp_hellotime = val & 0xff;
418 if (do_cmd(s, BRDGSHT, ¶m, sizeof(param), 1) < 0)
419 err(1, "BRDGSHT %s", arg);
423 setbridge_fwddelay(const char *arg, int d, int s, const struct afswtch *afp)
425 struct ifbrparam param;
428 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
429 errx(1, "invalid value: %s", arg);
431 param.ifbrp_fwddelay = val & 0xff;
433 if (do_cmd(s, BRDGSFD, ¶m, sizeof(param), 1) < 0)
434 err(1, "BRDGSFD %s", arg);
438 setbridge_maxage(const char *arg, int d, int s, const struct afswtch *afp)
440 struct ifbrparam param;
443 if (get_val(arg, &val) < 0 || (val & ~0xff) != 0)
444 errx(1, "invalid value: %s", arg);
446 param.ifbrp_maxage = val & 0xff;
448 if (do_cmd(s, BRDGSMA, ¶m, sizeof(param), 1) < 0)
449 err(1, "BRDGSMA %s", arg);
453 setbridge_priority(const char *arg, int d, int s, const struct afswtch *afp)
455 struct ifbrparam param;
458 if (get_val(arg, &val) < 0 || (val & ~0xffff) != 0)
459 errx(1, "invalid value: %s", arg);
461 param.ifbrp_prio = val & 0xffff;
463 if (do_cmd(s, BRDGSPRI, ¶m, sizeof(param), 1) < 0)
464 err(1, "BRDGSPRI %s", arg);
468 setbridge_ifpriority(const char *ifn, const char *pri, int s,
469 const struct afswtch *afp)
474 memset(&req, 0, sizeof(req));
476 if (get_val(pri, &val) < 0 || (val & ~0xff) != 0)
477 errx(1, "invalid value: %s", pri);
479 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
480 req.ifbr_priority = val & 0xff;
482 if (do_cmd(s, BRDGSIFPRIO, &req, sizeof(req), 1) < 0)
483 err(1, "BRDGSIFPRIO %s", pri);
487 setbridge_ifpathcost(const char *ifn, const char *cost, int s,
488 const struct afswtch *afp)
493 memset(&req, 0, sizeof(req));
495 if (get_val(cost, &val) < 0 || (val & ~0xff) != 0)
496 errx(1, "invalid value: %s", cost);
498 strlcpy(req.ifbr_ifsname, ifn, sizeof(req.ifbr_ifsname));
499 req.ifbr_path_cost = val & 0xffff;
501 if (do_cmd(s, BRDGSIFCOST, &req, sizeof(req), 1) < 0)
502 err(1, "BRDGSIFCOST %s", cost);
506 setbridge_timeout(const char *arg, int d, int s, const struct afswtch *afp)
508 struct ifbrparam param;
511 if (get_val(arg, &val) < 0 || (val & ~0xffffffff) != 0)
512 errx(1, "invalid value: %s", arg);
514 param.ifbrp_ctime = val & 0xffffffff;
516 if (do_cmd(s, BRDGSTO, ¶m, sizeof(param), 1) < 0)
517 err(1, "BRDGSTO %s", arg);
520 static struct cmd bridge_cmds[] = {
521 DEF_CMD_ARG("addm", setbridge_add),
522 DEF_CMD_ARG("deletem", setbridge_delete),
523 DEF_CMD_ARG("discover", setbridge_discover),
524 DEF_CMD_ARG("-discover", unsetbridge_discover),
525 DEF_CMD_ARG("learn", setbridge_learn),
526 DEF_CMD_ARG("-learn", unsetbridge_learn),
527 DEF_CMD_ARG("span", setbridge_span),
528 DEF_CMD_ARG("-span", unsetbridge_span),
529 DEF_CMD_ARG("stp", setbridge_stp),
530 DEF_CMD_ARG("-stp", unsetbridge_stp),
531 DEF_CMD("flush", 0, setbridge_flush),
532 DEF_CMD("flushall", 0, setbridge_flushall),
533 DEF_CMD_ARG2("static", setbridge_static),
534 DEF_CMD_ARG("deladdr", setbridge_deladdr),
535 DEF_CMD("addr", 1, getbridge_addr),
536 DEF_CMD_ARG("maxaddr", setbridge_maxaddr),
537 DEF_CMD_ARG("hellotime", setbridge_hellotime),
538 DEF_CMD_ARG("fwddelay", setbridge_fwddelay),
539 DEF_CMD_ARG("maxage", setbridge_maxage),
540 DEF_CMD_ARG("priority", setbridge_priority),
541 DEF_CMD_ARG2("ifpriority", setbridge_ifpriority),
542 DEF_CMD_ARG2("ifpathcost", setbridge_ifpathcost),
543 DEF_CMD_ARG("timeout", setbridge_timeout),
545 static struct afswtch af_bridge = {
546 .af_name = "af_bridge",
548 .af_other_status = bridge_status,
551 static __constructor(100) void
554 #define N(a) (sizeof(a) / sizeof(a[0]))
557 for (i = 0; i < N(bridge_cmds); i++)
558 cmd_register(&bridge_cmds[i]);
559 af_register(&af_bridge);