1 /* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */ 2 /* $FreeBSD$ */ 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 static int get_media_mode(int, const char *); 95 static int get_media_options(int, const char *); 96 static int lookup_media_word(struct ifmedia_description *, const char *); 97 static void print_media_word(int, int); 98 static void print_media_word_ifconfig(int); 99 100 static struct ifmedia_description *get_toptype_desc(int); 101 static struct ifmedia_type_to_subtype *get_toptype_ttos(int); 102 static struct ifmedia_description *get_subtype_desc(int, 103 struct ifmedia_type_to_subtype *ttos); 104 105 void 106 media_status(int s, struct rt_addrinfo *info __unused) 107 { 108 struct ifmediareq ifmr; 109 int *media_list, i; 110 111 (void) memset(&ifmr, 0, sizeof(ifmr)); 112 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 113 114 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 115 /* 116 * Interface doesn't support SIOC{G,S}IFMEDIA. 117 */ 118 return; 119 } 120 121 if (ifmr.ifm_count == 0) { 122 warnx("%s: no media types?", name); 123 return; 124 } 125 126 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); 127 if (media_list == NULL) 128 err(1, "malloc"); 129 ifmr.ifm_ulist = media_list; 130 131 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 132 err(1, "SIOCGIFMEDIA"); 133 134 printf("\tmedia: "); 135 print_media_word(ifmr.ifm_current, 1); 136 if (ifmr.ifm_active != ifmr.ifm_current) { 137 putchar(' '); 138 putchar('('); 139 print_media_word(ifmr.ifm_active, 0); 140 putchar(')'); 141 } 142 143 putchar('\n'); 144 145 if (ifmr.ifm_status & IFM_AVALID) { 146 printf("\tstatus: "); 147 switch (IFM_TYPE(ifmr.ifm_active)) { 148 case IFM_ETHER: 149 if (ifmr.ifm_status & IFM_ACTIVE) 150 printf("active"); 151 else 152 printf("no carrier"); 153 break; 154 155 case IFM_FDDI: 156 case IFM_TOKEN: 157 if (ifmr.ifm_status & IFM_ACTIVE) 158 printf("inserted"); 159 else 160 printf("no ring"); 161 break; 162 163 case IFM_ATM: 164 if (ifmr.ifm_status & IFM_ACTIVE) 165 printf("active"); 166 else 167 printf("no carrier"); 168 break; 169 170 case IFM_IEEE80211: 171 /* XXX: Different value for adhoc? */ 172 if (ifmr.ifm_status & IFM_ACTIVE) 173 printf("associated"); 174 else 175 printf("no carrier"); 176 break; 177 } 178 putchar('\n'); 179 } 180 181 if (ifmr.ifm_count > 0 && supmedia) { 182 printf("\tsupported media:\n"); 183 for (i = 0; i < ifmr.ifm_count; i++) { 184 printf("\t\t"); 185 print_media_word_ifconfig(media_list[i]); 186 putchar('\n'); 187 } 188 } 189 190 free(media_list); 191 } 192 193 void 194 setmedia(const char *val, int d, int s, const struct afswtch *afp) 195 { 196 struct ifmediareq ifmr; 197 int first_type, subtype; 198 199 (void) memset(&ifmr, 0, sizeof(ifmr)); 200 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 201 202 ifmr.ifm_count = 1; 203 ifmr.ifm_ulist = &first_type; 204 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { 205 /* 206 * If we get E2BIG, the kernel is telling us 207 * that there are more, so we can ignore it. 208 */ 209 if (errno != E2BIG) 210 err(1, "SIOCGIFMEDIA"); 211 } 212 213 if (ifmr.ifm_count == 0) 214 errx(1, "%s: no media types?", name); 215 216 /* 217 * We are primarily concerned with the top-level type. 218 * However, "current" may be only IFM_NONE, so we just look 219 * for the top-level type in the first "supported type" 220 * entry. 221 * 222 * (I'm assuming that all supported media types for a given 223 * interface will be the same top-level type..) 224 */ 225 subtype = get_media_subtype(IFM_TYPE(first_type), val); 226 227 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 228 ifr.ifr_media = (ifmr.ifm_current & ~(IFM_NMASK|IFM_TMASK)) | 229 IFM_TYPE(first_type) | subtype; 230 231 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 232 err(1, "SIOCSIFMEDIA (media)"); 233 } 234 235 void 236 setmediaopt(const char *val, int d, int s, const struct afswtch *afp) 237 { 238 239 domediaopt(val, 0, s); 240 } 241 242 void 243 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) 244 { 245 246 domediaopt(val, 1, s); 247 } 248 249 static void 250 domediaopt(const char *val, int clear, int s) 251 { 252 struct ifmediareq ifmr; 253 int *mwords, options; 254 255 (void) memset(&ifmr, 0, sizeof(ifmr)); 256 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 257 258 /* 259 * We must go through the motions of reading all 260 * supported media because we need to know both 261 * the current media type and the top-level type. 262 */ 263 264 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 265 err(1, "SIOCGIFMEDIA"); 266 267 if (ifmr.ifm_count == 0) 268 errx(1, "%s: no media types?", name); 269 270 mwords = (int *)malloc(ifmr.ifm_count * sizeof(int)); 271 if (mwords == NULL) 272 err(1, "malloc"); 273 274 ifmr.ifm_ulist = mwords; 275 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 276 err(1, "SIOCGIFMEDIA"); 277 278 options = get_media_options(IFM_TYPE(mwords[0]), val); 279 280 free(mwords); 281 282 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 283 ifr.ifr_media = ifmr.ifm_current; 284 if (clear) 285 ifr.ifr_media &= ~options; 286 else 287 ifr.ifr_media |= options; 288 289 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 290 err(1, "SIOCSIFMEDIA (mediaopt)"); 291 } 292 293 294 void 295 setmediamode(const char *val, int d, int s, const struct afswtch *afp) 296 { 297 struct ifmediareq ifmr; 298 int *mwords, mode; 299 300 (void) memset(&ifmr, 0, sizeof(ifmr)); 301 (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); 302 303 /* 304 * We must go through the motions of reading all 305 * supported media because we need to know both 306 * the current media type and the top-level type. 307 */ 308 309 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 310 err(1, "SIOCGIFMEDIA"); 311 312 if (ifmr.ifm_count == 0) 313 errx(1, "%s: no media types?", name); 314 315 mwords = (int *)malloc(ifmr.ifm_count * sizeof(int)); 316 if (mwords == NULL) 317 err(1, "malloc"); 318 319 ifmr.ifm_ulist = mwords; 320 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) 321 err(1, "SIOCGIFMEDIA"); 322 323 mode = get_media_mode(IFM_TYPE(mwords[0]), val); 324 325 free(mwords); 326 327 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 328 ifr.ifr_media = (ifmr.ifm_current & ~IFM_MMASK) | mode; 329 330 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 331 err(1, "SIOCSIFMEDIA (mode)"); 332 } 333 334 /********************************************************************** 335 * A good chunk of this is duplicated from sys/net/ifmedia.c 336 **********************************************************************/ 337 338 static struct ifmedia_description ifm_type_descriptions[] = 339 IFM_TYPE_DESCRIPTIONS; 340 341 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = 342 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 343 344 static struct ifmedia_description ifm_subtype_ethernet_aliases[] = 345 IFM_SUBTYPE_ETHERNET_ALIASES; 346 347 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 348 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 349 350 static struct ifmedia_description ifm_subtype_tokenring_descriptions[] = 351 IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; 352 353 static struct ifmedia_description ifm_subtype_tokenring_aliases[] = 354 IFM_SUBTYPE_TOKENRING_ALIASES; 355 356 static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = 357 IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; 358 359 static struct ifmedia_description ifm_subtype_fddi_descriptions[] = 360 IFM_SUBTYPE_FDDI_DESCRIPTIONS; 361 362 static struct ifmedia_description ifm_subtype_fddi_aliases[] = 363 IFM_SUBTYPE_FDDI_ALIASES; 364 365 static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] = 366 IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; 367 368 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 369 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 370 371 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] = 372 IFM_SUBTYPE_IEEE80211_ALIASES; 373 374 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 375 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 376 377 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 378 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 379 380 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] = 381 IFM_SUBTYPE_IEEE80211_MODE_ALIASES; 382 383 static struct ifmedia_description ifm_subtype_atm_descriptions[] = 384 IFM_SUBTYPE_ATM_DESCRIPTIONS; 385 386 static struct ifmedia_description ifm_subtype_atm_aliases[] = 387 IFM_SUBTYPE_ATM_ALIASES; 388 389 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] = 390 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 391 392 static struct ifmedia_description ifm_subtype_shared_descriptions[] = 393 IFM_SUBTYPE_SHARED_DESCRIPTIONS; 394 395 static struct ifmedia_description ifm_subtype_shared_aliases[] = 396 IFM_SUBTYPE_SHARED_ALIASES; 397 398 static struct ifmedia_description ifm_shared_option_descriptions[] = 399 IFM_SHARED_OPTION_DESCRIPTIONS; 400 401 struct ifmedia_type_to_subtype { 402 struct { 403 struct ifmedia_description *desc; 404 int alias; 405 } subtypes[5]; 406 struct { 407 struct ifmedia_description *desc; 408 int alias; 409 } options[3]; 410 struct { 411 struct ifmedia_description *desc; 412 int alias; 413 } modes[3]; 414 }; 415 416 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 417 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 418 { 419 { 420 { &ifm_subtype_shared_descriptions[0], 0 }, 421 { &ifm_subtype_shared_aliases[0], 1 }, 422 { &ifm_subtype_ethernet_descriptions[0], 0 }, 423 { &ifm_subtype_ethernet_aliases[0], 1 }, 424 { NULL, 0 }, 425 }, 426 { 427 { &ifm_shared_option_descriptions[0], 0 }, 428 { &ifm_subtype_ethernet_option_descriptions[0], 0 }, 429 { NULL, 0 }, 430 }, 431 { 432 { NULL, 0 }, 433 }, 434 }, 435 { 436 { 437 { &ifm_subtype_shared_descriptions[0], 0 }, 438 { &ifm_subtype_shared_aliases[0], 1 }, 439 { &ifm_subtype_tokenring_descriptions[0], 0 }, 440 { &ifm_subtype_tokenring_aliases[0], 1 }, 441 { NULL, 0 }, 442 }, 443 { 444 { &ifm_shared_option_descriptions[0], 0 }, 445 { &ifm_subtype_tokenring_option_descriptions[0], 0 }, 446 { NULL, 0 }, 447 }, 448 { 449 { NULL, 0 }, 450 }, 451 }, 452 { 453 { 454 { &ifm_subtype_shared_descriptions[0], 0 }, 455 { &ifm_subtype_shared_aliases[0], 1 }, 456 { &ifm_subtype_fddi_descriptions[0], 0 }, 457 { &ifm_subtype_fddi_aliases[0], 1 }, 458 { NULL, 0 }, 459 }, 460 { 461 { &ifm_shared_option_descriptions[0], 0 }, 462 { &ifm_subtype_fddi_option_descriptions[0], 0 }, 463 { NULL, 0 }, 464 }, 465 { 466 { NULL, 0 }, 467 }, 468 }, 469 { 470 { 471 { &ifm_subtype_shared_descriptions[0], 0 }, 472 { &ifm_subtype_shared_aliases[0], 1 }, 473 { &ifm_subtype_ieee80211_descriptions[0], 0 }, 474 { &ifm_subtype_ieee80211_aliases[0], 1 }, 475 { NULL, 0 }, 476 }, 477 { 478 { &ifm_shared_option_descriptions[0], 0 }, 479 { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, 480 { NULL, 0 }, 481 }, 482 { 483 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, 484 { &ifm_subtype_ieee80211_mode_aliases[0], 0 }, 485 { NULL, 0 }, 486 }, 487 }, 488 { 489 { 490 { &ifm_subtype_shared_descriptions[0], 0 }, 491 { &ifm_subtype_shared_aliases[0], 1 }, 492 { &ifm_subtype_atm_descriptions[0], 0 }, 493 { &ifm_subtype_atm_aliases[0], 1 }, 494 { NULL, 0 }, 495 }, 496 { 497 { &ifm_shared_option_descriptions[0], 0 }, 498 { &ifm_subtype_atm_option_descriptions[0], 0 }, 499 { NULL, 0 }, 500 }, 501 { 502 { NULL, 0 }, 503 }, 504 }, 505 }; 506 507 static int 508 get_media_subtype(int type, const char *val) 509 { 510 struct ifmedia_description *desc; 511 struct ifmedia_type_to_subtype *ttos; 512 int rval, i; 513 514 /* 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) 518 break; 519 if (desc->ifmt_string == NULL) 520 errx(1, "unknown media type 0x%x", type); 521 522 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 523 rval = lookup_media_word(ttos->subtypes[i].desc, val); 524 if (rval != -1) 525 return (rval); 526 } 527 errx(1, "unknown media subtype: %s", val); 528 /*NOTREACHED*/ 529 } 530 531 static int 532 get_media_mode(int type, const char *val) 533 { 534 struct ifmedia_description *desc; 535 struct ifmedia_type_to_subtype *ttos; 536 int rval, i; 537 538 /* Find the top-level interface type. */ 539 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 540 desc->ifmt_string != NULL; desc++, ttos++) 541 if (type == desc->ifmt_word) 542 break; 543 if (desc->ifmt_string == NULL) 544 errx(1, "unknown media mode 0x%x", type); 545 546 for (i = 0; ttos->modes[i].desc != NULL; i++) { 547 rval = lookup_media_word(ttos->modes[i].desc, val); 548 if (rval != -1) 549 return (rval); 550 } 551 return -1; 552 } 553 554 static int 555 get_media_options(int type, const char *val) 556 { 557 struct ifmedia_description *desc; 558 struct ifmedia_type_to_subtype *ttos; 559 char *optlist, *optptr; 560 int option = 0, i, rval = 0; 561 562 /* We muck with the string, so copy it. */ 563 optlist = strdup(val); 564 if (optlist == NULL) 565 err(1, "strdup"); 566 567 /* Find the top-level interface type. */ 568 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 569 desc->ifmt_string != NULL; desc++, ttos++) 570 if (type == desc->ifmt_word) 571 break; 572 if (desc->ifmt_string == NULL) 573 errx(1, "unknown media type 0x%x", type); 574 575 /* 576 * Look up the options in the user-provided comma-separated 577 * list. 578 */ 579 optptr = optlist; 580 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { 581 for (i = 0; ttos->options[i].desc != NULL; i++) { 582 option = lookup_media_word(ttos->options[i].desc, optptr); 583 if (option != -1) 584 break; 585 } 586 if (option == 0) 587 errx(1, "unknown option: %s", optptr); 588 rval |= option; 589 } 590 591 free(optlist); 592 return (rval); 593 } 594 595 static int 596 lookup_media_word(struct ifmedia_description *desc, const char *val) 597 { 598 599 for (; desc->ifmt_string != NULL; desc++) 600 if (strcasecmp(desc->ifmt_string, val) == 0) 601 return (desc->ifmt_word); 602 603 return (-1); 604 } 605 606 static struct ifmedia_description *get_toptype_desc(int ifmw) 607 { 608 struct ifmedia_description *desc; 609 610 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) 611 if (IFM_TYPE(ifmw) == desc->ifmt_word) 612 break; 613 614 return desc; 615 } 616 617 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) 618 { 619 struct ifmedia_description *desc; 620 struct ifmedia_type_to_subtype *ttos; 621 622 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 623 desc->ifmt_string != NULL; desc++, ttos++) 624 if (IFM_TYPE(ifmw) == desc->ifmt_word) 625 break; 626 627 return ttos; 628 } 629 630 static struct ifmedia_description *get_subtype_desc(int ifmw, 631 struct ifmedia_type_to_subtype *ttos) 632 { 633 int i; 634 struct ifmedia_description *desc; 635 636 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 637 if (ttos->subtypes[i].alias) 638 continue; 639 for (desc = ttos->subtypes[i].desc; 640 desc->ifmt_string != NULL; desc++) { 641 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 642 return desc; 643 } 644 } 645 646 return NULL; 647 } 648 649 static struct ifmedia_description *get_mode_desc(int ifmw, 650 struct ifmedia_type_to_subtype *ttos) 651 { 652 int i; 653 struct ifmedia_description *desc; 654 655 for (i = 0; ttos->modes[i].desc != NULL; i++) { 656 if (ttos->modes[i].alias) 657 continue; 658 for (desc = ttos->modes[i].desc; 659 desc->ifmt_string != NULL; desc++) { 660 if (IFM_MODE(ifmw) == desc->ifmt_word) 661 return desc; 662 } 663 } 664 665 return NULL; 666 } 667 668 static void 669 print_media_word(int ifmw, int print_toptype) 670 { 671 struct ifmedia_description *desc; 672 struct ifmedia_type_to_subtype *ttos; 673 int seen_option = 0, i; 674 675 /* Find the top-level interface type. */ 676 desc = get_toptype_desc(ifmw); 677 ttos = get_toptype_ttos(ifmw); 678 if (desc->ifmt_string == NULL) { 679 printf("<unknown type>"); 680 return; 681 } else if (print_toptype) { 682 printf("%s", desc->ifmt_string); 683 } 684 685 /* 686 * Don't print the top-level type; it's not like we can 687 * change it, or anything. 688 */ 689 690 /* Find subtype. */ 691 desc = get_subtype_desc(ifmw, ttos); 692 if (desc != NULL) 693 goto got_subtype; 694 695 /* Falling to here means unknown subtype. */ 696 printf("<unknown subtype>"); 697 return; 698 699 got_subtype: 700 if (print_toptype) 701 putchar(' '); 702 703 printf("%s", desc->ifmt_string); 704 705 if (print_toptype) { 706 desc = get_mode_desc(ifmw, ttos); 707 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string)) 708 printf(" mode %s", desc->ifmt_string); 709 } 710 711 /* Find options. */ 712 for (i = 0; ttos->options[i].desc != NULL; i++) { 713 if (ttos->options[i].alias) 714 continue; 715 for (desc = ttos->options[i].desc; 716 desc->ifmt_string != NULL; desc++) { 717 if (ifmw & desc->ifmt_word) { 718 if (seen_option == 0) 719 printf(" <"); 720 printf("%s%s", seen_option++ ? "," : "", 721 desc->ifmt_string); 722 } 723 } 724 } 725 printf("%s", seen_option ? ">" : ""); 726 } 727 728 static void 729 print_media_word_ifconfig(int ifmw) 730 { 731 struct ifmedia_description *desc; 732 struct ifmedia_type_to_subtype *ttos; 733 int 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 } 742 743 /* 744 * Don't print the top-level type; it's not like we can 745 * change it, or anything. 746 */ 747 748 /* Find subtype. */ 749 desc = get_subtype_desc(ifmw, ttos); 750 if (desc != NULL) 751 goto got_subtype; 752 753 /* Falling to here means unknown subtype. */ 754 printf("<unknown subtype>"); 755 return; 756 757 got_subtype: 758 printf("media %s", desc->ifmt_string); 759 760 desc = get_mode_desc(ifmw, ttos); 761 if (desc != NULL) 762 printf(" mode %s", desc->ifmt_string); 763 764 /* Find options. */ 765 for (i = 0; ttos->options[i].desc != NULL; i++) { 766 if (ttos->options[i].alias) 767 continue; 768 for (desc = ttos->options[i].desc; 769 desc->ifmt_string != NULL; desc++) { 770 if (ifmw & desc->ifmt_word) { 771 printf(" mediaopt %s", desc->ifmt_string); 772 } 773 } 774 } 775 } 776 777 /********************************************************************** 778 * ...until here. 779 **********************************************************************/ 780