network_cmds/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 #ifndef SIOCGIFXMEDIA
  91 #define SIOCGIFXMEDIA SIOCGIFMEDIA
  92 #endif
  93
  94 #include "ifconfig.h"
  95
  96 static void     domediaopt(const char *, int, int);
  97 static int      get_media_subtype(int, const char *);
  98 #ifdef notdef
  99 static int      get_media_mode(int, const char *);
 100 #endif
 101 static int      get_media_options(int, const char *);
 102 static int      lookup_media_word(struct ifmedia_description *, const char *);
 103 static void     print_media_word(int, int);
 104 static void     print_media_word_ifconfig(int);
 105
 106 static struct ifmedia_description *get_toptype_desc(int);
 107 static struct ifmedia_type_to_subtype *get_toptype_ttos(int);
 108 static struct ifmedia_description *get_subtype_desc(int,
 109     struct ifmedia_type_to_subtype *ttos);
 110
 111 static void
 112 media_status(int s)
 113 {
 114         struct ifmediareq ifmr;
 115         int *media_list, i;
 116
 117         (void) memset(&ifmr, 0, sizeof(ifmr));
 118         (void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
 119
 120         if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0) {
 121                 /*
 122                  * Interface doesn't support SIOC{G,S}IFMEDIA.
 123                  */
 124                 return;
 125         }
 126
 127         if (ifmr.ifm_count == 0) {
 128                 warnx("%s: no media types?", name);
 129                 return;
 130         }
 131
 132         media_list = (int *)malloc(ifmr.ifm_count * sizeof(int));
 133         if (media_list == NULL)
 134                 err(1, "malloc");
 135         ifmr.ifm_ulist = media_list;
 136
 137         if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0)
 138                 err(1, "SIOCGIFXMEDIA");
 139
 140         printf("\tmedia: ");
 141         print_media_word(ifmr.ifm_current, 1);
 142         if (ifmr.ifm_active != ifmr.ifm_current) {
 143                 putchar(' ');
 144                 putchar('(');
 145                 print_media_word(ifmr.ifm_active, 0);
 146                 putchar(')');
 147         }
 148
 149         putchar('\n');
 150
 151         if (ifmr.ifm_status & IFM_AVALID) {
 152                 printf("\tstatus: ");
 153 #ifdef notdef
 154                 switch (IFM_TYPE(ifmr.ifm_active)) {
 155                 case IFM_ETHER:
 156                         case IFM_ATM:
 157                         if (ifmr.ifm_status & IFM_ACTIVE)
 158                                 printf("active");
 159                         else
 160                                 printf("no carrier");
 161                         break;
 162
 163                 case IFM_FDDI:
 164                 case IFM_TOKEN:
 165                         if (ifmr.ifm_status & IFM_ACTIVE)
 166                                 printf("inserted");
 167                         else
 168                                 printf("no ring");
 169                         break;
 170
 171                 case IFM_IEEE80211:
 172                         /* XXX: Different value for adhoc? */
 173                         if (ifmr.ifm_status & IFM_ACTIVE)
 174                                 printf("associated");
 175                         else
 176                                 printf("no carrier");
 177                         break;
 178                 }
 179 #else
 180                 if (ifmr.ifm_status & IFM_ACTIVE)
 181                     printf("active");
 182                 else
 183                     printf("inactive");
 184 #endif
 185                 putchar('\n');
 186         }
 187
 188         if (ifmr.ifm_count > 0 && supmedia) {
 189                 printf("\tsupported media:\n");
 190                 for (i = 0; i < ifmr.ifm_count; i++) {
 191                         printf("\t\t");
 192                         print_media_word_ifconfig(media_list[i]);
 193                         putchar('\n');
 194                 }
 195         }
 196
 197         free(media_list);
 198 }
 199
 200 struct ifmediareq *
 201 ifmedia_getstate(int s)
 202 {
 203         static struct ifmediareq *ifmr = NULL;
 204         int *mwords;
 205
 206         if (ifmr == NULL) {
 207                 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq));
 208                 if (ifmr == NULL)
 209                         err(1, "malloc");
 210
 211                 (void) memset(ifmr, 0, sizeof(struct ifmediareq));
 212                 (void) strlcpy(ifmr->ifm_name, name,
 213                     sizeof(ifmr->ifm_name));
 214
 215                 ifmr->ifm_count = 0;
 216                 ifmr->ifm_ulist = NULL;
 217
 218                 /*
 219                  * We must go through the motions of reading all
 220                  * supported media because we need to know both
 221                  * the current media type and the top-level type.
 222                  */
 223
 224                 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0) {
 225                         err(1, "SIOCGIFXMEDIA");
 226                 }
 227
 228                 if (ifmr->ifm_count == 0)
 229                         errx(1, "%s: no media types?", name);
 230
 231                 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int));
 232                 if (mwords == NULL)
 233                         err(1, "malloc");
 234
 235                 ifmr->ifm_ulist = mwords;
 236                 if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0)
 237                         err(1, "SIOCGIFXMEDIA");
 238         }
 239
 240         return ifmr;
 241 }
 242
 243 static void
 244 setifmediacallback(int s, void *arg)
 245 {
 246         struct ifmediareq *ifmr = (struct ifmediareq *)arg;
 247         static int did_it = 0;
 248
 249         if (!did_it) {
 250                 ifr.ifr_media = ifmr->ifm_current;
 251                 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
 252                         err(1, "SIOCSIFMEDIA (media)");
 253                 free(ifmr->ifm_ulist);
 254                 free(ifmr);
 255                 did_it = 1;
 256         }
 257 }
 258
 259 static void
 260 setmedia(const char *val, int d, int s, const struct afswtch *afp)
 261 {
 262         struct ifmediareq *ifmr;
 263         int subtype;
 264
 265         ifmr = ifmedia_getstate(s);
 266
 267         /*
 268          * We are primarily concerned with the top-level type.
 269          * However, "current" may be only IFM_NONE, so we just look
 270          * for the top-level type in the first "supported type"
 271          * entry.
 272          *
 273          * (I'm assuming that all supported media types for a given
 274          * interface will be the same top-level type..)
 275          */
 276         subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val);
 277
 278         strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 279         ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) |
 280             IFM_TYPE(ifmr->ifm_ulist[0]) | subtype;
 281
 282         if ((ifr.ifr_media & IFM_TMASK) == 0) {
 283                 ifr.ifr_media &= ~IFM_GMASK;
 284         }
 285
 286         ifmr->ifm_current = ifr.ifr_media;
 287         callback_register(setifmediacallback, (void *)ifmr);
 288 }
 289
 290 static void
 291 setmediaopt(const char *val, int d, int s, const struct afswtch *afp)
 292 {
 293
 294         domediaopt(val, 0, s);
 295 }
 296
 297 static void
 298 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp)
 299 {
 300
 301         domediaopt(val, 1, s);
 302 }
 303
 304 static void
 305 domediaopt(const char *val, int clear, int s)
 306 {
 307         struct ifmediareq *ifmr;
 308         int options;
 309
 310         ifmr = ifmedia_getstate(s);
 311
 312         options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val);
 313
 314         strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 315         ifr.ifr_media = ifmr->ifm_current;
 316         if (clear)
 317                 ifr.ifr_media &= ~options;
 318         else {
 319                 if (options & IFM_HDX) {
 320                         ifr.ifr_media &= ~IFM_FDX;
 321                         options &= ~IFM_HDX;
 322                 }
 323                 ifr.ifr_media |= options;
 324         }
 325         ifmr->ifm_current = ifr.ifr_media;
 326         callback_register(setifmediacallback, (void *)ifmr);
 327 }
 328
 329 static void
 330 setmediainst(const char *val, int d, int s, const struct afswtch *afp)
 331 {
 332         struct ifmediareq *ifmr;
 333         int inst;
 334
 335         ifmr = ifmedia_getstate(s);
 336
 337         inst = atoi(val);
 338         if (inst < 0 || inst > IFM_INST_MAX)
 339                 errx(1, "invalid media instance: %s", val);
 340
 341         strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 342         ifr.ifr_media = (ifmr->ifm_current & ~IFM_IMASK) | inst << IFM_ISHIFT;
 343
 344         ifmr->ifm_current = ifr.ifr_media;
 345         callback_register(setifmediacallback, (void *)ifmr);
 346 }
 347
 348 #ifdef notdef
 349 static void
 350 setmediamode(const char *val, int d, int s, const struct afswtch *afp)
 351 {
 352         struct ifmediareq *ifmr;
 353         int mode;
 354
 355         ifmr = ifmedia_getstate(s);
 356
 357         mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val);
 358
 359         strlcpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
 360         ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode;
 361
 362         ifmr->ifm_current = ifr.ifr_media;
 363         callback_register(setifmediacallback, (void *)ifmr);
 364 }
 365 #endif
 366
 367 /**********************************************************************
 368  * A good chunk of this is duplicated from sys/net/ifmedia.c
 369  **********************************************************************/
 370
 371 static struct ifmedia_description ifm_type_descriptions[] =
 372     IFM_TYPE_DESCRIPTIONS;
 373
 374 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] =
 375     IFM_SUBTYPE_ETHERNET_DESCRIPTIONS;
 376
 377 static struct ifmedia_description ifm_subtype_ethernet_aliases[] =
 378     IFM_SUBTYPE_ETHERNET_ALIASES;
 379
 380 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] =
 381     IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS;
 382
 383 static struct ifmedia_description ifm_subtype_tokenring_descriptions[] =
 384     IFM_SUBTYPE_TOKENRING_DESCRIPTIONS;
 385
 386 static struct ifmedia_description ifm_subtype_tokenring_aliases[] =
 387     IFM_SUBTYPE_TOKENRING_ALIASES;
 388
 389 static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] =
 390     IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS;
 391
 392 static struct ifmedia_description ifm_subtype_fddi_descriptions[] =
 393     IFM_SUBTYPE_FDDI_DESCRIPTIONS;
 394
 395 static struct ifmedia_description ifm_subtype_fddi_aliases[] =
 396     IFM_SUBTYPE_FDDI_ALIASES;
 397
 398 static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] =
 399     IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS;
 400
 401 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] =
 402     IFM_SUBTYPE_IEEE80211_DESCRIPTIONS;
 403
 404 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] =
 405     IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS;
 406
 407 #ifdef notdef
 408 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] =
 409 IFM_SUBTYPE_IEEE80211_ALIASES;
 410
 411 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
 412     IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
 413
 414 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
 415     IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
 416
 417 static struct ifmedia_description ifm_subtype_atm_descriptions[] =
 418     IFM_SUBTYPE_ATM_DESCRIPTIONS;
 419
 420 static struct ifmedia_description ifm_subtype_atm_aliases[] =
 421     IFM_SUBTYPE_ATM_ALIASES;
 422
 423 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
 424     IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS;
 425 #endif
 426
 427 static struct ifmedia_description ifm_subtype_shared_descriptions[] =
 428     IFM_SUBTYPE_SHARED_DESCRIPTIONS;
 429
 430 static struct ifmedia_description ifm_subtype_shared_aliases[] =
 431     IFM_SUBTYPE_SHARED_ALIASES;
 432
 433 static struct ifmedia_description ifm_shared_option_descriptions[] =
 434     IFM_SHARED_OPTION_DESCRIPTIONS;
 435
 436 struct ifmedia_type_to_subtype {
 437         struct {
 438                 struct ifmedia_description *desc;
 439                 int alias;
 440         } subtypes[5];
 441         struct {
 442                 struct ifmedia_description *desc;
 443                 int alias;
 444         } options[3];
 445         struct {
 446                 struct ifmedia_description *desc;
 447                 int alias;
 448         } modes[3];
 449 };
 450
 451 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */
 452 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = {
 453         {
 454                 {
 455                         { &ifm_subtype_shared_descriptions[0], 0 },
 456                         { &ifm_subtype_shared_aliases[0], 1 },
 457                         { &ifm_subtype_ethernet_descriptions[0], 0 },
 458                         { &ifm_subtype_ethernet_aliases[0], 1 },
 459                         { NULL, 0 },
 460                 },
 461                 {
 462                         { &ifm_shared_option_descriptions[0], 0 },
 463                         { &ifm_subtype_ethernet_option_descriptions[0], 0 },
 464                         { NULL, 0 },
 465                 },
 466                 {
 467                         { NULL, 0 },
 468                 },
 469         },
 470         {
 471                 {
 472                         { &ifm_subtype_shared_descriptions[0], 0 },
 473                         { &ifm_subtype_shared_aliases[0], 1 },
 474                         { &ifm_subtype_tokenring_descriptions[0], 0 },
 475                         { &ifm_subtype_tokenring_aliases[0], 1 },
 476                         { NULL, 0 },
 477                 },
 478                 {
 479                         { &ifm_shared_option_descriptions[0], 0 },
 480                         { &ifm_subtype_tokenring_option_descriptions[0], 0 },
 481                         { NULL, 0 },
 482                 },
 483                 {
 484                         { NULL, 0 },
 485                 },
 486         },
 487         {
 488                 {
 489                         { &ifm_subtype_shared_descriptions[0], 0 },
 490                         { &ifm_subtype_shared_aliases[0], 1 },
 491                         { &ifm_subtype_fddi_descriptions[0], 0 },
 492                         { &ifm_subtype_fddi_aliases[0], 1 },
 493                         { NULL, 0 },
 494                 },
 495                 {
 496                         { &ifm_shared_option_descriptions[0], 0 },
 497                         { &ifm_subtype_fddi_option_descriptions[0], 0 },
 498                         { NULL, 0 },
 499                 },
 500                 {
 501                         { NULL, 0 },
 502                 },
 503         },
 504 #ifdef __APPLE__
 505         {
 506                 {
 507                         { &ifm_subtype_shared_descriptions[0], 0 },
 508                         { &ifm_subtype_shared_aliases[0], 1 },
 509                         { &ifm_subtype_ieee80211_descriptions[0], 0 },
 510                         { NULL, 0 },
 511                 },
 512                 {
 513                         { &ifm_shared_option_descriptions[0], 0 },
 514                         { &ifm_subtype_ieee80211_option_descriptions[0], 1 },
 515                         { NULL, 0 },
 516                 },
 517                 {
 518                         { NULL, 0 },
 519                 },
 520         },
 521 #else /* __APPLE__ */
 522 #ifdef notdef
 523         {
 524                 {
 525                         { &ifm_subtype_shared_descriptions[0], 0 },
 526                         { &ifm_subtype_shared_aliases[0], 1 },
 527                         { &ifm_subtype_ieee80211_descriptions[0], 0 },
 528                         { &ifm_subtype_ieee80211_aliases[0], 1 },
 529                         { NULL, 0 },
 530                 },
 531                 {
 532                         { &ifm_shared_option_descriptions[0], 0 },
 533                         { &ifm_subtype_ieee80211_option_descriptions[0], 0 },
 534                         { NULL, 0 },
 535                 },
 536                 {
 537                         { &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
 538                         { &ifm_subtype_ieee80211_mode_aliases[0], 0 },
 539                         { NULL, 0 },
 540                 },
 541         },
 542         {
 543                 {
 544                         { &ifm_subtype_shared_descriptions[0], 0 },
 545                         { &ifm_subtype_shared_aliases[0], 1 },
 546                         { &ifm_subtype_atm_descriptions[0], 0 },
 547                         { &ifm_subtype_atm_aliases[0], 1 },
 548                         { NULL, 0 },
 549                 },
 550                 {
 551                         { &ifm_shared_option_descriptions[0], 0 },
 552                         { &ifm_subtype_atm_option_descriptions[0], 0 },
 553                         { NULL, 0 },
 554                 },
 555                 {
 556                         { NULL, 0 },
 557                 },
 558         },
 559 #endif
 560 #endif /* __APPLE__ */
 561 };
 562
 563 static int
 564 get_media_subtype(int type, const char *val)
 565 {
 566         struct ifmedia_description *desc;
 567         struct ifmedia_type_to_subtype *ttos;
 568         int rval, i;
 569
 570         /* Find the top-level interface type. */
 571         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 572             desc->ifmt_string != NULL; desc++, ttos++)
 573                 if (type == desc->ifmt_word)
 574                         break;
 575         if (desc->ifmt_string == NULL)
 576                 errx(1, "unknown media type 0x%x", type);
 577
 578         for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
 579                 rval = lookup_media_word(ttos->subtypes[i].desc, val);
 580                 if (rval != -1)
 581                         return (rval);
 582         }
 583         errx(1, "unknown media subtype: %s", val);
 584         /*NOTREACHED*/
 585 }
 586
 587 #ifdef notdef
 588 static int
 589 get_media_mode(int type, const char *val)
 590 {
 591         struct ifmedia_description *desc;
 592         struct ifmedia_type_to_subtype *ttos;
 593         int rval, i;
 594
 595         /* Find the top-level interface type. */
 596         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 597             desc->ifmt_string != NULL; desc++, ttos++)
 598                 if (type == desc->ifmt_word)
 599                         break;
 600         if (desc->ifmt_string == NULL)
 601                 errx(1, "unknown media mode 0x%x", type);
 602
 603         for (i = 0; ttos->modes[i].desc != NULL; i++) {
 604                 rval = lookup_media_word(ttos->modes[i].desc, val);
 605                 if (rval != -1)
 606                         return (rval);
 607         }
 608         return -1;
 609 }
 610 #endif
 611
 612 static int
 613 get_media_options(int type, const char *val)
 614 {
 615         struct ifmedia_description *desc;
 616         struct ifmedia_type_to_subtype *ttos;
 617         char *optlist, *optptr;
 618         int option = 0, i, rval = 0;
 619
 620         /* We muck with the string, so copy it. */
 621         optlist = strdup(val);
 622         if (optlist == NULL)
 623                 err(1, "strdup");
 624
 625         /* Find the top-level interface type. */
 626         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 627             desc->ifmt_string != NULL; desc++, ttos++)
 628                 if (type == desc->ifmt_word)
 629                         break;
 630         if (desc->ifmt_string == NULL)
 631                 errx(1, "unknown media type 0x%x", type);
 632
 633         /*
 634          * Look up the options in the user-provided comma-separated
 635          * list.
 636          */
 637         optptr = optlist;
 638         for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) {
 639                 for (i = 0; ttos->options[i].desc != NULL; i++) {
 640                         option = lookup_media_word(ttos->options[i].desc, optptr);
 641                         if (option != -1)
 642                                 break;
 643                 }
 644                 if (option == 0)
 645                         errx(1, "unknown option: %s", optptr);
 646                 rval |= option;
 647         }
 648
 649         free(optlist);
 650         return (rval);
 651 }
 652
 653 static int
 654 lookup_media_word(struct ifmedia_description *desc, const char *val)
 655 {
 656
 657         for (; desc->ifmt_string != NULL; desc++)
 658                 if (strcasecmp(desc->ifmt_string, val) == 0)
 659                         return (desc->ifmt_word);
 660
 661         return (-1);
 662 }
 663
 664 static struct ifmedia_description *get_toptype_desc(int ifmw)
 665 {
 666         struct ifmedia_description *desc;
 667
 668         for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++)
 669                 if (IFM_TYPE(ifmw) == desc->ifmt_word)
 670                         break;
 671
 672         return desc;
 673 }
 674
 675 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw)
 676 {
 677         struct ifmedia_description *desc;
 678         struct ifmedia_type_to_subtype *ttos;
 679
 680         for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes;
 681             desc->ifmt_string != NULL; desc++, ttos++)
 682                 if (IFM_TYPE(ifmw) == desc->ifmt_word)
 683                         break;
 684
 685         return ttos;
 686 }
 687
 688 static struct ifmedia_description *get_subtype_desc(int ifmw,
 689     struct ifmedia_type_to_subtype *ttos)
 690 {
 691         int i;
 692         struct ifmedia_description *desc;
 693
 694         for (i = 0; ttos->subtypes[i].desc != NULL; i++) {
 695                 if (ttos->subtypes[i].alias)
 696                         continue;
 697                 for (desc = ttos->subtypes[i].desc;
 698                     desc->ifmt_string != NULL; desc++) {
 699                         if (IFM_SUBTYPE(ifmw) == desc->ifmt_word)
 700                                 return desc;
 701                 }
 702         }
 703
 704         return NULL;
 705 }
 706
 707 #ifdef notdef
 708 static struct ifmedia_description *get_mode_desc(int ifmw,
 709     struct ifmedia_type_to_subtype *ttos)
 710 {
 711         int i;
 712         struct ifmedia_description *desc;
 713
 714         for (i = 0; ttos->modes[i].desc != NULL; i++) {
 715                 if (ttos->modes[i].alias)
 716                         continue;
 717                 for (desc = ttos->modes[i].desc;
 718                     desc->ifmt_string != NULL; desc++) {
 719                         if (IFM_MODE(ifmw) == desc->ifmt_word)
 720                                 return desc;
 721                 }
 722         }
 723
 724         return NULL;
 725 }
 726 #endif
 727
 728 static void
 729 print_media_word(int ifmw, int print_toptype)
 730 {
 731         struct ifmedia_description *desc;
 732         struct ifmedia_type_to_subtype *ttos;
 733         int seen_option = 0, i;
 734
 735         /* Find the top-level interface type. */
 736         desc = get_toptype_desc(ifmw);
 737         ttos = get_toptype_ttos(ifmw);
 738         if (desc->ifmt_string == NULL) {
 739                 printf("<unknown type>");
 740                 return;
 741 #ifdef notdef
 742         } else if (print_toptype) {
 743                 printf("%s", desc->ifmt_string);
 744 #endif
 745         }
 746
 747         /*
 748          * Don't print the top-level type; it's not like we can
 749          * change it, or anything.
 750          */
 751
 752         /* Find subtype. */
 753         desc = get_subtype_desc(ifmw, ttos);
 754         if (desc == NULL) {
 755                 printf("<unknown subtype>");
 756                 return;
 757         }
 758
 759 #ifdef notdef
 760         if (print_toptype)
 761                 putchar(' ');
 762 #endif
 763
 764         printf("%s", desc->ifmt_string);
 765
 766 #ifdef notdef
 767         if (print_toptype) {
 768                 desc = get_mode_desc(ifmw, ttos);
 769                 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string))
 770                         printf(" mode %s", desc->ifmt_string);
 771         }
 772 #endif
 773         /* Find options. */
 774         for (i = 0; ttos->options[i].desc != NULL; i++) {
 775                 if (ttos->options[i].alias)
 776                         continue;
 777                 for (desc = ttos->options[i].desc;
 778                     desc->ifmt_string != NULL; desc++) {
 779                         if (ifmw & desc->ifmt_word) {
 780                                 if (seen_option == 0)
 781                                         printf(" <");
 782                                 printf("%s%s", seen_option++ ? "," : "",
 783                                     desc->ifmt_string);
 784                         }
 785                 }
 786         }
 787         printf("%s", seen_option ? ">" : "");
 788
 789 #ifdef notdef
 790         if (print_toptype && IFM_INST(ifmw) != 0)
 791                 printf(" instance %d", IFM_INST(ifmw));
 792 #endif
 793 }
 794
 795 static void
 796 print_media_word_ifconfig(int ifmw)
 797 {
 798         struct ifmedia_description *desc;
 799         struct ifmedia_type_to_subtype *ttos;
 800         int i;
 801
 802         /* Find the top-level interface type. */
 803         desc = get_toptype_desc(ifmw);
 804         ttos = get_toptype_ttos(ifmw);
 805         if (desc->ifmt_string == NULL) {
 806                 printf("<unknown type>");
 807                 return;
 808         }
 809
 810         /*
 811          * Don't print the top-level type; it's not like we can
 812          * change it, or anything.
 813          */
 814
 815         /* Find subtype. */
 816         desc = get_subtype_desc(ifmw, ttos);
 817         if (desc == NULL) {
 818                 printf("<unknown subtype>");
 819                 return;
 820         }
 821
 822         printf("media %s", desc->ifmt_string);
 823
 824 #ifdef notdef
 825         desc = get_mode_desc(ifmw, ttos);
 826         if (desc != NULL)
 827                 printf(" mode %s", desc->ifmt_string);
 828 #endif
 829
 830         /* Find options. */
 831         for (i = 0; ttos->options[i].desc != NULL; i++) {
 832                 if (ttos->options[i].alias)
 833                         continue;
 834                 for (desc = ttos->options[i].desc;
 835                     desc->ifmt_string != NULL; desc++) {
 836                         if (ifmw & desc->ifmt_word) {
 837                                 printf(" mediaopt %s", desc->ifmt_string);
 838                         }
 839                 }
 840         }
 841
 842         if (IFM_INST(ifmw) != 0)
 843                 printf(" instance %d", IFM_INST(ifmw));
 844 }
 845
 846 /**********************************************************************
 847  * ...until here.
 848  **********************************************************************/
 849
 850 static struct cmd media_cmds[] = {
 851         DEF_CMD_ARG("media",    setmedia),
 852 #ifdef notdef
 853         DEF_CMD_ARG("mode",     setmediamode),
 854 #endif
 855         DEF_CMD_ARG("mediaopt", setmediaopt),
 856         DEF_CMD_ARG("-mediaopt",unsetmediaopt),
 857         DEF_CMD_ARG("inst",     setmediainst),
 858         DEF_CMD_ARG("instance", setmediainst),
 859 };
 860 static struct afswtch af_media = {
 861         .af_name        = "af_media",
 862         .af_af          = AF_UNSPEC,
 863         .af_other_status = media_status,
 864 };
 865
 866 static __constructor void
 867 ifmedia_ctor(void)
 868 {
 869 #define N(a)    (sizeof(a) / sizeof(a[0]))
 870         int i;
 871
 872         for (i = 0; i < N(media_cmds);  i++)
 873                 cmd_register(&media_cmds[i]);
 874         af_register(&af_media);
 875 #undef N
 876 }