ifconfig.tproj/ifmedia.c

   1 /*      $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $      */
   2 /* $FreeBSD: src/sbin/ifconfig/ifmedia.c,v 1.25.6.1 2008/11/25 02:59:29 kensmith Exp $ */
   3
   4 /*
   5  * Copyright (c) 1997 Jason R. Thorpe.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  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
  19  *      by Jason R. Thorpe.
  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.
  22  *
  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
  33  * SUCH DAMAGE.
  34  */
  35
  36 /*
  37  * Copyright (c) 1983, 1993
  38  *      The Regents of the University of California.  All rights reserved.
  39  *
  40  * Redistribution and use in source and binary forms, with or without
  41  * modification, are permitted provided that the following conditions
  42  * are met:
  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. All advertising materials mentioning features or use of this software
  49  *    must display the following acknowledgement:
  50  *      This product includes software developed by the University of
  51  *      California, Berkeley and its contributors.
  52  * 4. Neither the name of the University nor the names of its contributors
  53  *    may be used to endorse or promote products derived from this software
  54  *    without specific prior written permission.
  55  *
  56  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  57  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  58  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  59  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  60  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  61  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  62  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  63  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  64  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  65  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  66  * SUCH DAMAGE.
  67  */
  68
  69 #include <sys/param.h>
  70 #include <sys/ioctl.h>
  71 #include <sys/socket.h>
  72 #include <sys/sysctl.h>
  73 #include <sys/time.h>
  74
  75 #include <net/if.h>
  76 #include <net/if_dl.h>
  77 #include <net/if_types.h>
  78 #include <net/if_media.h>
  79 #include <net/route.h>
  80
  81 #include <ctype.h>
  82 #include <err.h>
  83 #include <errno.h>
  84 #include <fcntl.h>
  85 #include <stdio.h>
  86 #include <stdlib.h>
  87 #include <string.h>
  88 #include <unistd.h>
  89
  90 #include "ifconfig.h"
  91
  92 static void     domediaopt(const char *, int, int);
  93 static int      get_media_subtype(int, const char *);
  94 #ifdef notdef
  95 static int      get_media_mode(int, const char *);
  96 #endif
  97 static int      get_media_options(int, const char *);
  98 static int      lookup_media_word(struct ifmedia_description *, const char *);
  99 static void     print_media_word(int, int);
 100 static void     print_media_word_ifconfig(int);
 101
 102 static struct ifmedia_description *get_toptype_desc(int);
 103 static struct ifmedia_type_to_subtype *get_toptype_ttos(int);
 104 static struct ifmedia_description *get_subtype_desc(int,
 105     struct ifmedia_type_to_subtype *ttos);
 106
 107 static void
 108 media_status(int s)
 109 {
 110         struct ifmediareq ifmr;
 111         int *media_list, i;
 112
 113         (void) memset(&ifmr, 0, sizeof(ifmr));
 114         (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
 115
 116         if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0) {
 117                 /*
 118                  * Interface doesn't support SIOC{G,S}IFMEDIA.
 119                  */
 120                 return;
 121         }
 122
 123         if (ifmr.ifm_count == 0) {
 124                 warnx("%s: no media types?", name);
 125                 return;
 126         }
 127
 128         media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
 129         if (media_list == NULL)
 130                 err(1, "malloc");
 131         ifmr.ifm_ulist = media_list;
 132
 133         if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0)
 134                 err(1, "SIOCGIFXMEDIA");
 135         printf("\tmedia: ");
 136         print_media_word(ifmr.ifm_current, 1);
 137         if (ifmr.ifm_active != ifmr.ifm_current) {
 138                 putchar(' ');
 139                 putchar('(');
 140                 print_media_word(ifmr.ifm_active, 0);
 141                 putchar(')');
 142         }
 143
 144         putchar('\n');
 145
 146         if (ifmr.ifm_status & IFM_AVALID) {
 147                 printf("\tstatus: ");
 148 #ifdef notdef
 149                 switch (IFM_TYPE(ifmr.ifm_active)) {
 150                 case IFM_ETHER:
 151                         case IFM_ATM:
 152                         if (ifmr.ifm_status & IFM_ACTIVE)
 153                                 printf("active");
 154                         else
 155                                 printf("no carrier");
 156                         break;
 157
 158                 case IFM_FDDI:
 159                 case IFM_TOKEN:
 160                         if (ifmr.ifm_status & IFM_ACTIVE)
 161                                 printf("inserted");
 162                         else
 163                                 printf("no ring");
 164                         break;
 165
 166                 case IFM_IEEE80211:
 167                         /* XXX: Different value for adhoc? */
 168                         if (ifmr.ifm_status & IFM_ACTIVE)
 169                                 printf("associated");
 170                         else
 171                                 printf("no carrier");
 172                         break;
 173                 }
 174 #else
 175                 if (ifmr.ifm_status & IFM_ACTIVE)
 176                     printf("active");
 177                 else
 178                     printf("inactive");
 179 #endif
 180                 putchar('\n');
 181         }
 182
 183         if (ifmr.ifm_count > 0 && supmedia) {
 184                 printf("\tsupported media:\n");
 185                 for (i = 0; i < ifmr.ifm_count; i++) {
 186                         printf("\t\t");
 187                         print_media_word_ifconfig(media_list[i]);
 188                         putchar('\n');
 189                 }
 190         }
 191
 192         free(media_list);
 193 }
 194
 195 struct ifmediareq *
 196 ifmedia_getstate(int s)
 197 {
 198         static struct ifmediareq *ifmr = NULL;
 199         int *mwords;
 200
 201         if (ifmr == NULL) {
 202                 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq));
 203                 if (ifmr == NULL)
 204                         err(1, "malloc");
 205
 206                 (void) memset(ifmr, 0, sizeof(struct ifmediareq));
 207                 (void) strncpy(ifmr->ifm_name, name,
 208                     sizeof(ifmr->ifm_name));
 209
 210                 ifmr->ifm_count = 0;
 211                 ifmr->ifm_ulist = NULL;
 212
 213                 /*
 214                  * We must go through the motions of reading all
 215                  * supported media because we need to know both
 216                  * the current media type and the top-level type.
 217                  */
 218
 219                 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0) {
 220                         err(1, "SIOCGIFXMEDIA");
 221                 }
 222
 223                 if (ifmr->ifm_count == 0)
 224                         errx(1, "%s: no media types?", name);
 225
 226                 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int));
 227                 if (mwords == NULL)
 228                         err(1, "malloc");
 229
 230                 ifmr->ifm_ulist = mwords;
 231                 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0)
 232                         err(1, "SIOCGIFXMEDIA");
 233         }
 234
 235         return ifmr;
 236 }
 237
 238 static void
 239 setifmediacallback(int s, void *arg)
 240 {
 241         struct ifmediareq *ifmr = (struct ifmediareq *)arg;
 242         static int did_it = 0;
 243
 244         if (!did_it) {
 245                 ifr.ifr_media = ifmr->ifm_current;
 246                 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
 247                         err(1, "SIOCSIFMEDIA (media)");
 248                 free(ifmr->ifm_ulist);
 249                 free(ifmr);
 250                 did_it = 1;
 251         }
 252 }
 253
 254 static void
 255 setmedia(const char *val, int d, int s, const struct afswtch *afp)
 256 {
 257         struct ifmediareq *ifmr;
 258         int subtype;
 259
 260         ifmr = ifmedia_getstate(s);
 261
 262         /*
 263          * We are primarily concerned with the top-level type.
 264          * However, "current" may be only IFM_NONE, so we just look
 265          * for the top-level type in the first "supported type"
 266          * entry.
 267          *
 268          * (I'm assuming that all supported media types for a given
 269          * interface will be the same top-level type..)
 270          */
 271         subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val);
 272
 273         strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 274         ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) |
 275             IFM_TYPE(ifmr->ifm_ulist[0]) | subtype;
 276
 277         if ((ifr.ifr_media & IFM_TMASK) == 0) {
 278                 ifr.ifr_media &= ~IFM_GMASK;
 279         }
 280
 281         ifmr->ifm_current = ifr.ifr_media;
 282         callback_register(setifmediacallback, (void *)ifmr);
 283 }
 284
 285 static void
 286 setmediaopt(const char *val, int d, int s, const struct afswtch *afp)
 287 {
 288
 289         domediaopt(val, 0, s);
 290 }
 291
 292 static void
 293 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp)
 294 {
 295
 296         domediaopt(val, 1, s);
 297 }
 298
 299 static void
 300 domediaopt(const char *val, int clear, int s)
 301 {
 302         struct ifmediareq *ifmr;
 303         int options;
 304
 305         ifmr = ifmedia_getstate(s);
 306
 307         options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val);
 308
 309         strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 310         ifr.ifr_media = ifmr->ifm_current;
 311         if (clear)
 312                 ifr.ifr_media &= ~options;
 313         else {
 314                 if (options & IFM_HDX) {
 315                         ifr.ifr_media &= ~IFM_FDX;
 316                         options &= ~IFM_HDX;
 317                 }
 318                 ifr.ifr_media |= options;
 319         }
 320         ifmr->ifm_current = ifr.ifr_media;
 321         callback_register(setifmediacallback, (void *)ifmr);
 322 }
 323
 324 static void
 325 setmediainst(const char *val, int d, int s, const struct afswtch *afp)
 326 {
 327         struct ifmediareq *ifmr;
 328         int inst;
 329
 330         ifmr = ifmedia_getstate(s);
 331
 332         inst = atoi(val);
 333         if (inst < 0 || inst > IFM_INST_MAX)
 334                 errx(1, "invalid media instance: %s", val);
 335
 336         strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 337         ifr.ifr_media = (ifmr->ifm_current & ~IFM_IMASK) | inst << IFM_ISHIFT;
 338
 339         ifmr->ifm_current = ifr.ifr_media;
 340         callback_register(setifmediacallback, (void *)ifmr);
 341 }
 342
 343 #ifdef notdef
 344 static void
 345 setmediamode(const char *val, int d, int s, const struct afswtch *afp)
 346 {
 347         struct ifmediareq *ifmr;
 348         int mode;
 349
 350         ifmr = ifmedia_getstate(s);
 351
 352         mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val);
 353
 354         strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 355         ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode;
 356
 357         ifmr->ifm_current = ifr.ifr_media;
 358         callback_register(setifmediacallback, (void *)ifmr);
 359 }
 360 #endif
 361
 362 /**********************************************************************
 363  * A good chunk of this is duplicated from sys/net/ifmedia.c
 364  **********************************************************************/
 365
 366 static struct ifmedia_description ifm_type_descriptions[] =
 367     IFM_TYPE_DESCRIPTIONS;
 368
 369 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
 370     IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
 371
 372 static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
 373     IFM_SUBTYPE_ETHERNET_ALIASES;
 374
 375 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
 376     IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
 377
 378 static struct ifmedia_description ifm_subtype_tokenring_descriptions[] =
 379     IFM_SUBTYPE_TOKENRING_DESCRIPTIONS;
 380
 381 static struct ifmedia_description ifm_subtype_tokenring_aliases[] =
 382     IFM_SUBTYPE_TOKENRING_ALIASES;
 383
 384 static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] =
 385     IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS;
 386
 387 static struct ifmedia_description ifm_subtype_fddi_descriptions[] =
 388     IFM_SUBTYPE_FDDI_DESCRIPTIONS;
 389
 390 static struct ifmedia_description ifm_subtype_fddi_aliases[] =
 391     IFM_SUBTYPE_FDDI_ALIASES;
 392
 393 static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] =
 394     IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS;
 395
 396 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
 397     IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
 398
 399 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
 400     IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
 401
 402 #ifdef notdef
 403 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
 404 IFM_SUBTYPE_IEEE80211_ALIASES;
 405
 406 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
 407     IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
 408
 409 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
 410     IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
 411
 412 static struct ifmedia_description ifm_subtype_atm_descriptions[] =
 413     IFM_SUBTYPE_ATM_DESCRIPTIONS;
 414
 415 static struct ifmedia_description ifm_subtype_atm_aliases[] =
 416     IFM_SUBTYPE_ATM_ALIASES;
 417
 418 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
 419     IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
 420 #endif
 421
 422 static struct ifmedia_description ifm_subtype_shared_descriptions[] =
 423     IFM_SUBTYPE_SHARED_DESCRIPTIONS;
 424
 425 static struct ifmedia_description ifm_subtype_shared_aliases[] =
 426     IFM_SUBTYPE_SHARED_ALIASES;
 427
 428 static struct ifmedia_description ifm_shared_option_descriptions[] =
 429     IFM_SHARED_OPTION_DESCRIPTIONS;
 430
 431 struct ifmedia_type_to_subtype {
 432         struct {
 433                 struct ifmedia_description *desc;
 434                 int alias;
 435         } subtypes[5];
 436         struct {
 437                 struct ifmedia_description *desc;
 438                 int alias;
 439         } options[3];
 440         struct {
 441                 struct ifmedia_description *desc;
 442                 int alias;
 443         } modes[3];
 444 };
 445
 446 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */
 447 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = {
 448         {
 449                 {
 450                         { &ifm_subtype_shared_descriptions[0], 0 },
 451                         { &ifm_subtype_shared_aliases[0], 1 },
 452                         { &ifm_subtype_ethernet_descriptions[0], 0 },
 453                         { &ifm_subtype_ethernet_aliases[0], 1 },
 454                         { NULL, 0 },
 455                 },
 456                 {
 457                         { &ifm_shared_option_descriptions[0], 0 },
 458                         { &ifm_subtype_ethernet_option_descriptions[0], 0 },
 459                         { NULL, 0 },
 460                 },
 461                 {
 462                         { NULL, 0 },
 463                 },
 464         },
 465         {
 466                 {
 467                         { &ifm_subtype_shared_descriptions[0], 0 },
 468                         { &ifm_subtype_shared_aliases[0], 1 },
 469                         { &ifm_subtype_tokenring_descriptions[0], 0 },
 470                         { &ifm_subtype_tokenring_aliases[0], 1 },
 471                         { NULL, 0 },
 472                 },
 473                 {
 474                         { &ifm_shared_option_descriptions[0], 0 },
 475                         { &ifm_subtype_tokenring_option_descriptions[0], 0 },
 476                         { NULL, 0 },
 477                 },
 478                 {
 479                         { NULL, 0 },
 480                 },
 481         },
 482         {
 483                 {
 484                         { &ifm_subtype_shared_descriptions[0], 0 },
 485                         { &ifm_subtype_shared_aliases[0], 1 },
 486                         { &ifm_subtype_fddi_descriptions[0], 0 },
 487                         { &ifm_subtype_fddi_aliases[0], 1 },
 488                         { NULL, 0 },
 489                 },
 490                 {
 491                         { &ifm_shared_option_descriptions[0], 0 },
 492                         { &ifm_subtype_fddi_option_descriptions[0], 0 },
 493                         { NULL, 0 },
 494                 },
 495                 {
 496                         { NULL, 0 },
 497                 },
 498         },
 499 #ifdef __APPLE__
 500         {
 501                 {
 502                         { &ifm_subtype_shared_descriptions[0], 0 },
 503                         { &ifm_subtype_shared_aliases[0], 1 },
 504                         { &ifm_subtype_ieee80211_descriptions[0], 0 },
 505                         { NULL, 0 },
 506                 },
 507                 {
 508                         { &ifm_shared_option_descriptions[0], 0 },
 509                         { &ifm_subtype_ieee80211_option_descriptions[0], 1 },
 510                         { NULL, 0 },
 511                 },
 512                 {
 513                         { NULL, 0 },
 514                 },
 515         },
 516 #else /* __APPLE__ */
 517 #ifdef notdef
 518         {
 519                 {
 520                         { &ifm_subtype_shared_descriptions[0], 0 },
 521                         { &ifm_subtype_shared_aliases[0], 1 },
 522                         { &ifm_subtype_ieee80211_descriptions[0], 0 },
 523                         { &ifm_subtype_ieee80211_aliases[0], 1 },
 524                         { NULL, 0 },
 525                 },
 526                 {
 527                         { &ifm_shared_option_descriptions[0], 0 },
 528                         { &ifm_subtype_ieee80211_option_descriptions[0], 0 },
 529                         { NULL, 0 },
 530                 },
 531                 {
 532                         { &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
 533                         { &ifm_subtype_ieee80211_mode_aliases[0], 0 },
 534                         { NULL, 0 },
 535                 },
 536         },
 537         {
 538                 {
 539                         { &ifm_subtype_shared_descriptions[0], 0 },
 540                         { &ifm_subtype_shared_aliases[0], 1 },
 541                         { &ifm_subtype_atm_descriptions[0], 0 },
 542                         { &ifm_subtype_atm_aliases[0], 1 },
 543                         { NULL, 0 },
 544                 },
 545                 {
 546                         { &ifm_shared_option_descriptions[0], 0 },
 547                         { &ifm_subtype_atm_option_descriptions[0], 0 },
 548                         { NULL, 0 },
 549                 },
 550                 {
 551                         { NULL, 0 },
 552                 },
 553         },
 554 #endif
 555 #endif /* __APPLE__ */
 556 };
 557
 558 static int
 559 get_media_subtype(int type, const char *val)
 560 {
 561         struct ifmedia_description *desc;
 562         struct ifmedia_type_to_subtype *ttos;
 563         int rval, i;
 564
 565         /* Find the top-level interface type. */
 566         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 567             desc->ifmt_string != NULL; desc++, ttos++)
 568                 if (type == desc->ifmt_word)
 569                         break;
 570         if (desc->ifmt_string == NULL)
 571                 errx(1, "unknown media type 0x%x", type);
 572
 573         for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
 574                 rval = lookup_media_word(ttos->subtypes[i].desc, val);
 575                 if (rval != -1)
 576                         return (rval);
 577         }
 578         errx(1, "unknown media subtype: %s", val);
 579         /*NOTREACHED*/
 580 }
 581
 582 #ifdef notdef
 583 static int
 584 get_media_mode(int type, const char *val)
 585 {
 586         struct ifmedia_description *desc;
 587         struct ifmedia_type_to_subtype *ttos;
 588         int rval, i;
 589
 590         /* Find the top-level interface type. */
 591         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 592             desc->ifmt_string != NULL; desc++, ttos++)
 593                 if (type == desc->ifmt_word)
 594                         break;
 595         if (desc->ifmt_string == NULL)
 596                 errx(1, "unknown media mode 0x%x", type);
 597
 598         for (i = 0; ttos->modes[i].desc != NULL; i++) {
 599                 rval = lookup_media_word(ttos->modes[i].desc, val);
 600                 if (rval != -1)
 601                         return (rval);
 602         }
 603         return -1;
 604 }
 605 #endif
 606
 607 static int
 608 get_media_options(int type, const char *val)
 609 {
 610         struct ifmedia_description *desc;
 611         struct ifmedia_type_to_subtype *ttos;
 612         char *optlist, *optptr;
 613         int option = 0, i, rval = 0;
 614
 615         /* We muck with the string, so copy it. */
 616         optlist = strdup(val);
 617         if (optlist == NULL)
 618                 err(1, "strdup");
 619
 620         /* Find the top-level interface type. */
 621         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 622             desc->ifmt_string != NULL; desc++, ttos++)
 623                 if (type == desc->ifmt_word)
 624                         break;
 625         if (desc->ifmt_string == NULL)
 626                 errx(1, "unknown media type 0x%x", type);
 627
 628         /*
 629          * Look up the options in the user-provided comma-separated
 630          * list.
 631          */
 632         optptr = optlist;
 633         for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) {
 634                 for (i = 0; ttos->options[i].desc != NULL; i++) {
 635                         option = lookup_media_word(ttos->options[i].desc, optptr);
 636                         if (option != -1)
 637                                 break;
 638                 }
 639                 if (option == 0)
 640                         errx(1, "unknown option: %s", optptr);
 641                 rval |= option;
 642         }
 643
 644         free(optlist);
 645         return (rval);
 646 }
 647
 648 static int
 649 lookup_media_word(struct ifmedia_description *desc, const char *val)
 650 {
 651
 652         for (; desc->ifmt_string != NULL; desc++)
 653                 if (strcasecmp(desc->ifmt_string, val) == 0)
 654                         return (desc->ifmt_word);
 655
 656         return (-1);
 657 }
 658
 659 static struct ifmedia_description *get_toptype_desc(int ifmw)
 660 {
 661         struct ifmedia_description *desc;
 662
 663         for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++)
 664                 if (IFM_TYPE(ifmw) == desc->ifmt_word)
 665                         break;
 666
 667         return desc;
 668 }
 669
 670 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw)
 671 {
 672         struct ifmedia_description *desc;
 673         struct ifmedia_type_to_subtype *ttos;
 674
 675         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 676             desc->ifmt_string != NULL; desc++, ttos++)
 677                 if (IFM_TYPE(ifmw) == desc->ifmt_word)
 678                         break;
 679
 680         return ttos;
 681 }
 682
 683 static struct ifmedia_description *get_subtype_desc(int ifmw,
 684     struct ifmedia_type_to_subtype *ttos)
 685 {
 686         int i;
 687         struct ifmedia_description *desc;
 688
 689         for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
 690                 if (ttos->subtypes[i].alias)
 691                         continue;
 692                 for (desc = ttos->subtypes[i].desc;
 693                     desc->ifmt_string != NULL; desc++) {
 694                         if (IFM_SUBTYPE(ifmw) == desc->ifmt_word)
 695                                 return desc;
 696                 }
 697         }
 698
 699         return NULL;
 700 }
 701
 702 #ifdef notdef
 703 static struct ifmedia_description *get_mode_desc(int ifmw,
 704     struct ifmedia_type_to_subtype *ttos)
 705 {
 706         int i;
 707         struct ifmedia_description *desc;
 708
 709         for (i = 0; ttos->modes[i].desc != NULL; i++) {
 710                 if (ttos->modes[i].alias)
 711                         continue;
 712                 for (desc = ttos->modes[i].desc;
 713                     desc->ifmt_string != NULL; desc++) {
 714                         if (IFM_MODE(ifmw) == desc->ifmt_word)
 715                                 return desc;
 716                 }
 717         }
 718
 719         return NULL;
 720 }
 721 #endif
 722
 723 static void
 724 print_media_word(int ifmw, int print_toptype)
 725 {
 726         struct ifmedia_description *desc;
 727         struct ifmedia_type_to_subtype *ttos;
 728         int seen_option = 0, i;
 729
 730         /* Find the top-level interface type. */
 731         desc = get_toptype_desc(ifmw);
 732         ttos = get_toptype_ttos(ifmw);
 733         if (desc->ifmt_string == NULL) {
 734                 printf("<unknown type>");
 735                 return;
 736 #ifdef notdef
 737         } else if (print_toptype) {
 738                 printf("%s", desc->ifmt_string);
 739 #endif
 740         }
 741
 742         /*
 743          * Don't print the top-level type; it's not like we can
 744          * change it, or anything.
 745          */
 746
 747         /* Find subtype. */
 748         desc = get_subtype_desc(ifmw, ttos);
 749         if (desc == NULL) {
 750                 printf("<unknown subtype>");
 751                 return;
 752         }
 753
 754 #ifdef notdef
 755         if (print_toptype)
 756                 putchar(' ');
 757 #endif
 758
 759         printf("%s", desc->ifmt_string);
 760
 761 #ifdef notdef
 762         if (print_toptype) {
 763                 desc = get_mode_desc(ifmw, ttos);
 764                 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string))
 765                         printf(" mode %s", desc->ifmt_string);
 766         }
 767 #endif
 768         /* Find options. */
 769         for (i = 0; ttos->options[i].desc != NULL; i++) {
 770                 if (ttos->options[i].alias)
 771                         continue;
 772                 for (desc = ttos->options[i].desc;
 773                     desc->ifmt_string != NULL; desc++) {
 774                         if (ifmw & desc->ifmt_word) {
 775                                 if (seen_option == 0)
 776                                         printf(" <");
 777                                 printf("%s%s", seen_option++ ? "," : "",
 778                                     desc->ifmt_string);
 779                         }
 780                 }
 781         }
 782         printf("%s", seen_option ? ">" : "");
 783
 784 #ifdef notdef
 785         if (print_toptype && IFM_INST(ifmw) != 0)
 786                 printf(" instance %d", IFM_INST(ifmw));
 787 #endif
 788 }
 789
 790 static void
 791 print_media_word_ifconfig(int ifmw)
 792 {
 793         struct ifmedia_description *desc;
 794         struct ifmedia_type_to_subtype *ttos;
 795         int i;
 796
 797         /* Find the top-level interface type. */
 798         desc = get_toptype_desc(ifmw);
 799         ttos = get_toptype_ttos(ifmw);
 800         if (desc->ifmt_string == NULL) {
 801                 printf("<unknown type>");
 802                 return;
 803         }
 804
 805         /*
 806          * Don't print the top-level type; it's not like we can
 807          * change it, or anything.
 808          */
 809
 810         /* Find subtype. */
 811         desc = get_subtype_desc(ifmw, ttos);
 812         if (desc == NULL) {
 813                 printf("<unknown subtype>");
 814                 return;
 815         }
 816
 817         printf("media %s", desc->ifmt_string);
 818
 819 #ifdef notdef
 820         desc = get_mode_desc(ifmw, ttos);
 821         if (desc != NULL)
 822                 printf(" mode %s", desc->ifmt_string);
 823 #endif
 824
 825         /* Find options. */
 826         for (i = 0; ttos->options[i].desc != NULL; i++) {
 827                 if (ttos->options[i].alias)
 828                         continue;
 829                 for (desc = ttos->options[i].desc;
 830                     desc->ifmt_string != NULL; desc++) {
 831                         if (ifmw & desc->ifmt_word) {
 832                                 printf(" mediaopt %s", desc->ifmt_string);
 833                         }
 834                 }
 835         }
 836
 837         if (IFM_INST(ifmw) != 0)
 838                 printf(" instance %d", IFM_INST(ifmw));
 839 }
 840
 841 /**********************************************************************
 842  * ...until here.
 843  **********************************************************************/
 844
 845 static struct cmd media_cmds[] = {
 846         DEF_CMD_ARG("media",    setmedia),
 847 #ifdef notdef
 848         DEF_CMD_ARG("mode",     setmediamode),
 849 #endif
 850         DEF_CMD_ARG("mediaopt", setmediaopt),
 851         DEF_CMD_ARG("-mediaopt",unsetmediaopt),
 852         DEF_CMD_ARG("inst",     setmediainst),
 853         DEF_CMD_ARG("instance", setmediainst),
 854 };
 855 static struct afswtch af_media = {
 856         .af_name        = "af_media",
 857         .af_af          = AF_UNSPEC,
 858         .af_other_status = media_status,
 859 };
 860
 861 static __constructor void
 862 ifmedia_ctor(void)
 863 {
 864 #define N(a)    (sizeof(a) / sizeof(a[0]))
 865         int i;
 866
 867         for (i = 0; i < N(media_cmds);  i++)
 868                 cmd_register(&media_cmds[i]);
 869         af_register(&af_media);
 870 #undef N
 871 }