1 /* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */
2 /* $FreeBSD: src/sbin/ifconfig/ifmedia.c,v 1.19.2.1 2006/03/01 22:24:23 glebius Exp $ */
5 * Copyright (c) 1997 Jason R. Thorpe.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed for the NetBSD Project
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
28 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
29 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
30 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
31 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * Copyright (c) 1983, 1993
38 * The Regents of the University of California. All rights reserved.
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 * 3. Neither the name of the University nor the names of its contributors
49 * may be used to endorse or promote products derived from this software
50 * without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
53 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
54 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
55 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
56 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
57 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
58 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
60 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
61 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
65 #include <sys/param.h>
66 #include <sys/ioctl.h>
67 #include <sys/socket.h>
68 #include <sys/sysctl.h>
72 #include <net/if_dl.h>
73 #include <net/if_types.h>
74 #include <net/if_media.h>
75 #include <net/route.h>
88 static void domediaopt(const char *, int, int);
89 static int get_media_subtype(int, const char *);
90 static int get_media_mode(int, const char *);
91 static int get_media_options(int, const char *);
92 static int lookup_media_word(struct ifmedia_description *, const char *);
93 static void print_media_word(int, int);
94 static void print_media_word_ifconfig(int);
96 static struct ifmedia_description *get_toptype_desc(int);
97 static struct ifmedia_type_to_subtype *get_toptype_ttos(int);
98 static struct ifmedia_description *get_subtype_desc(int,
99 struct ifmedia_type_to_subtype *ttos);
104 struct ifmediareq ifmr;
107 memset(&ifmr, 0, sizeof(ifmr));
108 strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
110 if (ioctl(s, SIOCGIFMEDIA, &ifmr) < 0) {
112 * Interface doesn't support SIOC{G,S}IFMEDIA.
117 if (ifmr.ifm_count == 0) {
118 warnx("%s: no media types?", name);
122 media_list = malloc(ifmr.ifm_count * sizeof(int));
123 if (media_list == NULL)
125 ifmr.ifm_ulist = media_list;
127 if (ioctl(s, SIOCGIFMEDIA, &ifmr) < 0)
128 err(1, "SIOCGIFMEDIA");
131 print_media_word(ifmr.ifm_current, 1);
132 if (ifmr.ifm_active != ifmr.ifm_current) {
135 print_media_word(ifmr.ifm_active, 0);
141 if (ifmr.ifm_status & IFM_AVALID) {
142 printf("\tstatus: ");
143 switch (IFM_TYPE(ifmr.ifm_active)) {
145 if (ifmr.ifm_status & IFM_ACTIVE)
148 printf("no carrier");
152 if (ifmr.ifm_status & IFM_ACTIVE)
155 printf("no carrier");
159 /* XXX: Different value for adhoc? */
160 if (ifmr.ifm_status & IFM_ACTIVE)
161 printf("associated");
163 printf("no carrier");
166 if (ifmr.ifm_status & IFM_ACTIVE)
175 if (ifmr.ifm_count > 0 && supmedia) {
176 printf("\tsupported media:\n");
177 for (i = 0; i < ifmr.ifm_count; i++) {
179 print_media_word_ifconfig(media_list[i]);
188 ifmedia_getstate(int s)
190 static struct ifmediareq *ifmr = NULL;
194 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq));
198 (void) memset(ifmr, 0, sizeof(struct ifmediareq));
199 (void) strncpy(ifmr->ifm_name, name,
200 sizeof(ifmr->ifm_name));
203 ifmr->ifm_ulist = NULL;
206 * We must go through the motions of reading all
207 * supported media because we need to know both
208 * the current media type and the top-level type.
211 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) {
212 err(1, "SIOCGIFMEDIA");
215 if (ifmr->ifm_count == 0)
216 errx(1, "%s: no media types?", name);
218 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int));
222 ifmr->ifm_ulist = mwords;
223 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0)
224 err(1, "SIOCGIFMEDIA");
231 setifmediacallback(int s, void *arg)
233 struct ifmediareq *ifmr = (struct ifmediareq *)arg;
234 static int did_it = 0;
237 ifr.ifr_media = ifmr->ifm_current;
238 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
239 err(1, "SIOCSIFMEDIA (media)");
240 free(ifmr->ifm_ulist);
247 setmedia(const char *val, int d, int s, const struct afswtch *afp)
249 struct ifmediareq *ifmr;
253 ifmr = ifmedia_getstate(s);
256 * We are primarily concerned with the top-level type.
257 * However, "current" may be only IFM_NONE, so we just look
258 * for the top-level type in the first "supported type"
261 * (I'm assuming that all supported media types for a given
262 * interface will be the same top-level type..)
264 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val);
266 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
267 ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) |
268 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype;
270 if ((ifr.ifr_media & IFM_TMASK) == 0) {
271 ifr.ifr_media &= ~IFM_GMASK;
274 ifmr->ifm_current = ifr.ifr_media;
275 callback_register(setifmediacallback, (void *)ifmr);
279 setmediaopt(const char *val, int d, int s, const struct afswtch *afp)
282 domediaopt(val, 0, s);
286 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp)
289 domediaopt(val, 1, s);
293 domediaopt(const char *val, int clear, int s)
295 struct ifmediareq *ifmr;
298 ifmr = ifmedia_getstate(s);
300 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val);
302 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
303 ifr.ifr_media = ifmr->ifm_current;
305 ifr.ifr_media &= ~options;
307 ifr.ifr_media |= options;
309 ifmr->ifm_current = ifr.ifr_media;
310 callback_register(setifmediacallback, (void *)ifmr);
315 setmediamode(const char *val, int d, int s, const struct afswtch *afp)
317 struct ifmediareq *ifmr;
320 ifmr = ifmedia_getstate(s);
322 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val);
324 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
325 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode;
327 ifmr->ifm_current = ifr.ifr_media;
328 callback_register(setifmediacallback, (void *)ifmr);
331 /**********************************************************************
332 * A good chunk of this is duplicated from sys/net/ifmedia.c
333 **********************************************************************/
335 static struct ifmedia_description ifm_type_descriptions[] =
336 IFM_TYPE_DESCRIPTIONS;
338 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
339 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
341 static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
342 IFM_SUBTYPE_ETHERNET_ALIASES;
344 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
345 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
347 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
348 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
350 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
351 IFM_SUBTYPE_IEEE80211_ALIASES;
353 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
354 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
356 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
357 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
359 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
360 IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
362 static struct ifmedia_description ifm_subtype_atm_descriptions[] =
363 IFM_SUBTYPE_ATM_DESCRIPTIONS;
365 static struct ifmedia_description ifm_subtype_atm_aliases[] =
366 IFM_SUBTYPE_ATM_ALIASES;
368 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
369 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
371 static struct ifmedia_description ifm_subtype_shared_descriptions[] =
372 IFM_SUBTYPE_SHARED_DESCRIPTIONS;
374 static struct ifmedia_description ifm_subtype_shared_aliases[] =
375 IFM_SUBTYPE_SHARED_ALIASES;
377 static struct ifmedia_description ifm_shared_option_descriptions[] =
378 IFM_SHARED_OPTION_DESCRIPTIONS;
380 struct ifmedia_type_to_subtype {
382 struct ifmedia_description *desc;
386 struct ifmedia_description *desc;
390 struct ifmedia_description *desc;
395 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */
396 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = {
399 { &ifm_subtype_shared_descriptions[0], 0 },
400 { &ifm_subtype_shared_aliases[0], 1 },
401 { &ifm_subtype_ethernet_descriptions[0], 0 },
402 { &ifm_subtype_ethernet_aliases[0], 1 },
406 { &ifm_shared_option_descriptions[0], 0 },
407 { &ifm_subtype_ethernet_option_descriptions[0], 0 },
416 { &ifm_subtype_shared_descriptions[0], 0 },
417 { &ifm_subtype_shared_aliases[0], 1 },
418 { &ifm_subtype_ieee80211_descriptions[0], 0 },
419 { &ifm_subtype_ieee80211_aliases[0], 1 },
423 { &ifm_shared_option_descriptions[0], 0 },
424 { &ifm_subtype_ieee80211_option_descriptions[0], 0 },
428 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
429 { &ifm_subtype_ieee80211_mode_aliases[0], 0 },
435 { &ifm_subtype_shared_descriptions[0], 0 },
436 { &ifm_subtype_shared_aliases[0], 1 },
437 { &ifm_subtype_atm_descriptions[0], 0 },
438 { &ifm_subtype_atm_aliases[0], 1 },
442 { &ifm_shared_option_descriptions[0], 0 },
443 { &ifm_subtype_atm_option_descriptions[0], 0 },
453 get_media_subtype(int type, const char *val)
455 struct ifmedia_description *desc;
456 struct ifmedia_type_to_subtype *ttos;
459 /* Find the top-level interface type. */
460 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
461 desc->ifmt_string != NULL; desc++, ttos++)
462 if (type == desc->ifmt_word)
464 if (desc->ifmt_string == NULL)
465 errx(1, "unknown media type 0x%x", type);
467 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
468 rval = lookup_media_word(ttos->subtypes[i].desc, val);
472 errx(1, "unknown media subtype: %s", val);
477 get_media_mode(int type, const char *val)
479 struct ifmedia_description *desc;
480 struct ifmedia_type_to_subtype *ttos;
483 /* Find the top-level interface type. */
484 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
485 desc->ifmt_string != NULL; desc++, ttos++)
486 if (type == desc->ifmt_word)
488 if (desc->ifmt_string == NULL)
489 errx(1, "unknown media mode 0x%x", type);
491 for (i = 0; ttos->modes[i].desc != NULL; i++) {
492 rval = lookup_media_word(ttos->modes[i].desc, val);
500 get_media_options(int type, const char *val)
502 struct ifmedia_description *desc;
503 struct ifmedia_type_to_subtype *ttos;
504 char *optlist, *optptr;
505 int option = 0, i, rval = 0;
507 /* We muck with the string, so copy it. */
508 optlist = strdup(val);
512 /* Find the top-level interface type. */
513 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
514 desc->ifmt_string != NULL; desc++, ttos++)
515 if (type == desc->ifmt_word)
517 if (desc->ifmt_string == NULL)
518 errx(1, "unknown media type 0x%x", type);
521 * Look up the options in the user-provided comma-separated
525 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) {
526 for (i = 0; ttos->options[i].desc != NULL; i++) {
527 option = lookup_media_word(ttos->options[i].desc, optptr);
532 errx(1, "unknown option: %s", optptr);
541 lookup_media_word(struct ifmedia_description *desc, const char *val)
544 for (; desc->ifmt_string != NULL; desc++)
545 if (strcasecmp(desc->ifmt_string, val) == 0)
546 return (desc->ifmt_word);
551 static struct ifmedia_description *get_toptype_desc(int ifmw)
553 struct ifmedia_description *desc;
555 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++)
556 if (IFM_TYPE(ifmw) == desc->ifmt_word)
562 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw)
564 struct ifmedia_description *desc;
565 struct ifmedia_type_to_subtype *ttos;
567 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
568 desc->ifmt_string != NULL; desc++, ttos++)
569 if (IFM_TYPE(ifmw) == desc->ifmt_word)
575 static struct ifmedia_description *get_subtype_desc(int ifmw,
576 struct ifmedia_type_to_subtype *ttos)
579 struct ifmedia_description *desc;
581 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
582 if (ttos->subtypes[i].alias)
584 for (desc = ttos->subtypes[i].desc;
585 desc->ifmt_string != NULL; desc++) {
586 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word)
594 static struct ifmedia_description *get_mode_desc(int ifmw,
595 struct ifmedia_type_to_subtype *ttos)
598 struct ifmedia_description *desc;
600 for (i = 0; ttos->modes[i].desc != NULL; i++) {
601 if (ttos->modes[i].alias)
603 for (desc = ttos->modes[i].desc;
604 desc->ifmt_string != NULL; desc++) {
605 if (IFM_MODE(ifmw) == desc->ifmt_word)
614 print_media_word(int ifmw, int print_toptype)
616 struct ifmedia_description *desc;
617 struct ifmedia_type_to_subtype *ttos;
618 int seen_option = 0, i;
620 /* Find the top-level interface type. */
621 desc = get_toptype_desc(ifmw);
622 ttos = get_toptype_ttos(ifmw);
623 if (desc->ifmt_string == NULL) {
624 printf("<unknown type>");
626 } else if (print_toptype) {
627 printf("%s", desc->ifmt_string);
631 * Don't print the top-level type; it's not like we can
632 * change it, or anything.
636 desc = get_subtype_desc(ifmw, ttos);
640 /* Falling to here means unknown subtype. */
641 printf("<unknown subtype>");
648 printf("%s", desc->ifmt_string);
651 desc = get_mode_desc(ifmw, ttos);
652 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string))
653 printf(" mode %s", desc->ifmt_string);
657 for (i = 0; ttos->options[i].desc != NULL; i++) {
658 if (ttos->options[i].alias)
660 for (desc = ttos->options[i].desc;
661 desc->ifmt_string != NULL; desc++) {
662 if (ifmw & desc->ifmt_word) {
663 if (seen_option == 0)
665 printf("%s%s", seen_option++ ? "," : "",
670 printf("%s", seen_option ? ">" : "");
674 print_media_word_ifconfig(int ifmw)
676 struct ifmedia_description *desc;
677 struct ifmedia_type_to_subtype *ttos;
680 /* Find the top-level interface type. */
681 desc = get_toptype_desc(ifmw);
682 ttos = get_toptype_ttos(ifmw);
683 if (desc->ifmt_string == NULL) {
684 printf("<unknown type>");
689 * Don't print the top-level type; it's not like we can
690 * change it, or anything.
694 desc = get_subtype_desc(ifmw, ttos);
698 /* Falling to here means unknown subtype. */
699 printf("<unknown subtype>");
703 printf("media %s", desc->ifmt_string);
705 desc = get_mode_desc(ifmw, ttos);
707 printf(" mode %s", desc->ifmt_string);
710 for (i = 0; ttos->options[i].desc != NULL; i++) {
711 if (ttos->options[i].alias)
713 for (desc = ttos->options[i].desc;
714 desc->ifmt_string != NULL; desc++) {
715 if (ifmw & desc->ifmt_word) {
716 printf(" mediaopt %s", desc->ifmt_string);
722 /**********************************************************************
724 **********************************************************************/
726 static struct cmd media_cmds[] = {
727 DEF_CMD_ARG("media", setmedia),
728 DEF_CMD_ARG("mode", setmediamode),
729 DEF_CMD_ARG("mediaopt", setmediaopt),
730 DEF_CMD_ARG("-mediaopt",unsetmediaopt),
732 static struct afswtch af_media = {
733 .af_name = "af_media",
735 .af_other_status = media_status,
738 static __constructor(101) void
741 #define N(a) (sizeof(a) / sizeof(a[0]))
744 for (i = 0; i < N(media_cmds); i++)
745 cmd_register(&media_cmds[i]);
746 af_register(&af_media);