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 strlcpy(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 memset(ifmr, 0, sizeof(struct ifmediareq));
199 strlcpy(ifmr->ifm_name, name, sizeof(ifmr->ifm_name));
202 ifmr->ifm_ulist = NULL;
205 * We must go through the motions of reading all
206 * supported media because we need to know both
207 * the current media type and the top-level type.
210 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) {
211 err(1, "SIOCGIFMEDIA");
214 if (ifmr->ifm_count == 0)
215 errx(1, "%s: no media types?", name);
217 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int));
221 ifmr->ifm_ulist = mwords;
222 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0)
223 err(1, "SIOCGIFMEDIA");
230 setifmediacallback(int s, void *arg)
232 struct ifmediareq *ifmr = (struct ifmediareq *)arg;
233 static int did_it = 0;
236 ifr.ifr_media = ifmr->ifm_current;
237 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
238 err(1, "SIOCSIFMEDIA (media)");
239 free(ifmr->ifm_ulist);
246 setmedia(const char *val, int d, int s, const struct afswtch *afp)
248 struct ifmediareq *ifmr;
251 ifmr = ifmedia_getstate(s);
254 * We are primarily concerned with the top-level type.
255 * However, "current" may be only IFM_NONE, so we just look
256 * for the top-level type in the first "supported type"
259 * (I'm assuming that all supported media types for a given
260 * interface will be the same top-level type..)
262 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val);
264 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
265 ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) |
266 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype;
268 if ((ifr.ifr_media & IFM_TMASK) == 0) {
269 ifr.ifr_media &= ~IFM_GMASK;
272 ifmr->ifm_current = ifr.ifr_media;
273 callback_register(setifmediacallback, (void *)ifmr);
277 setmediaopt(const char *val, int d, int s, const struct afswtch *afp)
280 domediaopt(val, 0, s);
284 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp)
287 domediaopt(val, 1, s);
291 domediaopt(const char *val, int clear, int s)
293 struct ifmediareq *ifmr;
296 ifmr = ifmedia_getstate(s);
298 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val);
300 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
301 ifr.ifr_media = ifmr->ifm_current;
303 ifr.ifr_media &= ~options;
305 ifr.ifr_media |= options;
307 ifmr->ifm_current = ifr.ifr_media;
308 callback_register(setifmediacallback, (void *)ifmr);
313 setmediamode(const char *val, int d, int s, const struct afswtch *afp)
315 struct ifmediareq *ifmr;
318 ifmr = ifmedia_getstate(s);
320 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val);
322 strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
323 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode;
325 ifmr->ifm_current = ifr.ifr_media;
326 callback_register(setifmediacallback, (void *)ifmr);
329 /**********************************************************************
330 * A good chunk of this is duplicated from sys/net/ifmedia.c
331 **********************************************************************/
333 static struct ifmedia_description ifm_type_descriptions[] =
334 IFM_TYPE_DESCRIPTIONS;
336 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
337 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
339 static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
340 IFM_SUBTYPE_ETHERNET_ALIASES;
342 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
343 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
345 static struct ifmedia_description ifm_subtype_ethernet_option_alias[] =
346 IFM_SUBTYPE_ETHERNET_OPTION_ALIAS;
348 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
349 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
351 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
352 IFM_SUBTYPE_IEEE80211_ALIASES;
354 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
355 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
357 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
358 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
360 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
361 IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
363 static struct ifmedia_description ifm_subtype_atm_descriptions[] =
364 IFM_SUBTYPE_ATM_DESCRIPTIONS;
366 static struct ifmedia_description ifm_subtype_atm_aliases[] =
367 IFM_SUBTYPE_ATM_ALIASES;
369 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
370 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
372 static struct ifmedia_description ifm_subtype_shared_descriptions[] =
373 IFM_SUBTYPE_SHARED_DESCRIPTIONS;
375 static struct ifmedia_description ifm_subtype_shared_aliases[] =
376 IFM_SUBTYPE_SHARED_ALIASES;
378 static struct ifmedia_description ifm_shared_option_descriptions[] =
379 IFM_SHARED_OPTION_DESCRIPTIONS;
381 struct ifmedia_type_to_subtype {
383 struct ifmedia_description *desc;
387 struct ifmedia_description *desc;
391 struct ifmedia_description *desc;
396 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */
397 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = {
400 { &ifm_subtype_shared_descriptions[0], 0 },
401 { &ifm_subtype_shared_aliases[0], 1 },
402 { &ifm_subtype_ethernet_descriptions[0], 0 },
403 { &ifm_subtype_ethernet_aliases[0], 1 },
407 { &ifm_shared_option_descriptions[0], 0 },
408 { &ifm_subtype_ethernet_option_descriptions[0], 0 },
409 { &ifm_subtype_ethernet_option_alias[0], 1 },
418 { &ifm_subtype_shared_descriptions[0], 0 },
419 { &ifm_subtype_shared_aliases[0], 1 },
420 { &ifm_subtype_ieee80211_descriptions[0], 0 },
421 { &ifm_subtype_ieee80211_aliases[0], 1 },
425 { &ifm_shared_option_descriptions[0], 0 },
426 { &ifm_subtype_ieee80211_option_descriptions[0], 0 },
430 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
431 { &ifm_subtype_ieee80211_mode_aliases[0], 0 },
437 { &ifm_subtype_shared_descriptions[0], 0 },
438 { &ifm_subtype_shared_aliases[0], 1 },
439 { &ifm_subtype_atm_descriptions[0], 0 },
440 { &ifm_subtype_atm_aliases[0], 1 },
444 { &ifm_shared_option_descriptions[0], 0 },
445 { &ifm_subtype_atm_option_descriptions[0], 0 },
455 get_media_subtype(int type, const char *val)
457 struct ifmedia_description *desc;
458 struct ifmedia_type_to_subtype *ttos;
461 /* Find the top-level interface type. */
462 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
463 desc->ifmt_string != NULL; desc++, ttos++)
464 if (type == desc->ifmt_word)
466 if (desc->ifmt_string == NULL)
467 errx(1, "unknown media type 0x%x", type);
469 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
470 rval = lookup_media_word(ttos->subtypes[i].desc, val);
474 errx(1, "unknown media subtype: %s", val);
479 get_media_mode(int type, const char *val)
481 struct ifmedia_description *desc;
482 struct ifmedia_type_to_subtype *ttos;
485 /* Find the top-level interface type. */
486 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
487 desc->ifmt_string != NULL; desc++, ttos++)
488 if (type == desc->ifmt_word)
490 if (desc->ifmt_string == NULL)
491 errx(1, "unknown media mode 0x%x", type);
493 for (i = 0; ttos->modes[i].desc != NULL; i++) {
494 rval = lookup_media_word(ttos->modes[i].desc, val);
502 get_media_options(int type, const char *val)
504 struct ifmedia_description *desc;
505 struct ifmedia_type_to_subtype *ttos;
506 char *optlist, *optptr;
507 int option = 0, i, rval = 0;
509 /* We muck with the string, so copy it. */
510 optlist = strdup(val);
514 /* Find the top-level interface type. */
515 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
516 desc->ifmt_string != NULL; desc++, ttos++)
517 if (type == desc->ifmt_word)
519 if (desc->ifmt_string == NULL)
520 errx(1, "unknown media type 0x%x", type);
523 * Look up the options in the user-provided comma-separated
527 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) {
528 for (i = 0; ttos->options[i].desc != NULL; i++) {
529 option = lookup_media_word(ttos->options[i].desc, optptr);
534 errx(1, "unknown option: %s", optptr);
543 lookup_media_word(struct ifmedia_description *desc, const char *val)
546 for (; desc->ifmt_string != NULL; desc++)
547 if (strcasecmp(desc->ifmt_string, val) == 0)
548 return (desc->ifmt_word);
553 static struct ifmedia_description *get_toptype_desc(int ifmw)
555 struct ifmedia_description *desc;
557 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++)
558 if (IFM_TYPE(ifmw) == desc->ifmt_word)
564 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw)
566 struct ifmedia_description *desc;
567 struct ifmedia_type_to_subtype *ttos;
569 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
570 desc->ifmt_string != NULL; desc++, ttos++)
571 if (IFM_TYPE(ifmw) == desc->ifmt_word)
577 static struct ifmedia_description *get_subtype_desc(int ifmw,
578 struct ifmedia_type_to_subtype *ttos)
581 struct ifmedia_description *desc;
583 for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
584 if (ttos->subtypes[i].alias)
586 for (desc = ttos->subtypes[i].desc;
587 desc->ifmt_string != NULL; desc++) {
588 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word)
596 static struct ifmedia_description *get_mode_desc(int ifmw,
597 struct ifmedia_type_to_subtype *ttos)
600 struct ifmedia_description *desc;
602 for (i = 0; ttos->modes[i].desc != NULL; i++) {
603 if (ttos->modes[i].alias)
605 for (desc = ttos->modes[i].desc;
606 desc->ifmt_string != NULL; desc++) {
607 if (IFM_MODE(ifmw) == desc->ifmt_word)
616 print_media_word(int ifmw, int print_toptype)
618 struct ifmedia_description *desc;
619 struct ifmedia_type_to_subtype *ttos;
620 int seen_option = 0, i;
622 /* Find the top-level interface type. */
623 desc = get_toptype_desc(ifmw);
624 ttos = get_toptype_ttos(ifmw);
625 if (desc->ifmt_string == NULL) {
626 printf("<unknown type>");
628 } else if (print_toptype) {
629 printf("%s", desc->ifmt_string);
633 * Don't print the top-level type; it's not like we can
634 * change it, or anything.
638 desc = get_subtype_desc(ifmw, ttos);
642 /* Falling to here means unknown subtype. */
643 printf("<unknown subtype>");
650 printf("%s", desc->ifmt_string);
653 desc = get_mode_desc(ifmw, ttos);
654 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string))
655 printf(" mode %s", desc->ifmt_string);
659 for (i = 0; ttos->options[i].desc != NULL; i++) {
660 if (ttos->options[i].alias)
662 for (desc = ttos->options[i].desc;
663 desc->ifmt_string != NULL; desc++) {
664 if (ifmw & desc->ifmt_word) {
665 if (seen_option == 0)
667 printf("%s%s", seen_option++ ? "," : "",
672 printf("%s", seen_option ? ">" : "");
676 print_media_word_ifconfig(int ifmw)
678 struct ifmedia_description *desc;
679 struct ifmedia_type_to_subtype *ttos;
682 /* Find the top-level interface type. */
683 desc = get_toptype_desc(ifmw);
684 ttos = get_toptype_ttos(ifmw);
685 if (desc->ifmt_string == NULL) {
686 printf("<unknown type>");
691 * Don't print the top-level type; it's not like we can
692 * change it, or anything.
696 desc = get_subtype_desc(ifmw, ttos);
700 /* Falling to here means unknown subtype. */
701 printf("<unknown subtype>");
705 printf("media %s", desc->ifmt_string);
707 desc = get_mode_desc(ifmw, ttos);
709 printf(" mode %s", desc->ifmt_string);
712 for (i = 0; ttos->options[i].desc != NULL; i++) {
713 if (ttos->options[i].alias)
715 for (desc = ttos->options[i].desc;
716 desc->ifmt_string != NULL; desc++) {
717 if (ifmw & desc->ifmt_word) {
718 printf(" mediaopt %s", desc->ifmt_string);
724 /**********************************************************************
726 **********************************************************************/
728 static struct cmd media_cmds[] = {
729 DEF_CMD_ARG("media", setmedia),
730 DEF_CMD_ARG("mode", setmediamode),
731 DEF_CMD_ARG("mediaopt", setmediaopt),
732 DEF_CMD_ARG("-mediaopt",unsetmediaopt),
734 static struct afswtch af_media = {
735 .af_name = "af_media",
737 .af_other_status = media_status,
740 static __constructor(101) void
745 for (i = 0; i < nitems(media_cmds); i++)
746 cmd_register(&media_cmds[i]);
747 af_register(&af_media);