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 static void 106 media_status(int s) 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 case IFM_ATM: 150 if (ifmr.ifm_status & IFM_ACTIVE) 151 printf("active"); 152 else 153 printf("no carrier"); 154 break; 155 156 case IFM_FDDI: 157 case IFM_TOKEN: 158 if (ifmr.ifm_status & IFM_ACTIVE) 159 printf("inserted"); 160 else 161 printf("no ring"); 162 break; 163 164 case IFM_IEEE80211: 165 /* XXX: Different value for adhoc? */ 166 if (ifmr.ifm_status & IFM_ACTIVE) 167 printf("associated"); 168 else 169 printf("no carrier"); 170 break; 171 } 172 putchar('\n'); 173 } 174 175 if (ifmr.ifm_count > 0 && supmedia) { 176 printf("\tsupported media:\n"); 177 for (i = 0; i < ifmr.ifm_count; i++) { 178 printf("\t\t"); 179 print_media_word_ifconfig(media_list[i]); 180 putchar('\n'); 181 } 182 } 183 184 free(media_list); 185 } 186 187 struct ifmediareq * 188 ifmedia_getstate(int s) 189 { 190 static struct ifmediareq *ifmr = NULL; 191 int *mwords; 192 193 if (ifmr == NULL) { 194 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq)); 195 if (ifmr == NULL) 196 err(1, "malloc"); 197 198 (void) memset(ifmr, 0, sizeof(struct ifmediareq)); 199 (void) strncpy(ifmr->ifm_name, name, 200 sizeof(ifmr->ifm_name)); 201 202 ifmr->ifm_count = 0; 203 ifmr->ifm_ulist = NULL; 204 205 /* 206 * We must go through the motions of reading all 207 * supported media because we need to know both 208 * the current media type and the top-level type. 209 */ 210 211 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) { 212 err(1, "SIOCGIFMEDIA"); 213 } 214 215 if (ifmr->ifm_count == 0) 216 errx(1, "%s: no media types?", name); 217 218 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int)); 219 if (mwords == NULL) 220 err(1, "malloc"); 221 222 ifmr->ifm_ulist = mwords; 223 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) 224 err(1, "SIOCGIFMEDIA"); 225 } 226 227 return ifmr; 228 } 229 230 static void 231 setifmediacallback(int s, void *arg) 232 { 233 struct ifmediareq *ifmr = (struct ifmediareq *)arg; 234 static int did_it = 0; 235 236 if (!did_it) { 237 ifr.ifr_media = ifmr->ifm_current; 238 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 239 err(1, "SIOCSIFMEDIA (media)"); 240 free(ifmr->ifm_ulist); 241 free(ifmr); 242 did_it = 1; 243 } 244 } 245 246 static void 247 setmedia(const char *val, int d, int s, const struct afswtch *afp) 248 { 249 struct ifmediareq *ifmr; 250 int subtype; 251 252 ifmr = ifmedia_getstate(s); 253 254 /* 255 * We are primarily concerned with the top-level type. 256 * However, "current" may be only IFM_NONE, so we just look 257 * for the top-level type in the first "supported type" 258 * entry. 259 * 260 * (I'm assuming that all supported media types for a given 261 * interface will be the same top-level type..) 262 */ 263 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val); 264 265 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 266 ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) | 267 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype; 268 269 if ((ifr.ifr_media & IFM_TMASK) == 0) { 270 ifr.ifr_media &= ~IFM_GMASK; 271 } 272 273 ifmr->ifm_current = ifr.ifr_media; 274 callback_register(setifmediacallback, (void *)ifmr); 275 } 276 277 static void 278 setmediaopt(const char *val, int d, int s, const struct afswtch *afp) 279 { 280 281 domediaopt(val, 0, s); 282 } 283 284 static void 285 unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) 286 { 287 288 domediaopt(val, 1, s); 289 } 290 291 static void 292 domediaopt(const char *val, int clear, int s) 293 { 294 struct ifmediareq *ifmr; 295 int options; 296 297 ifmr = ifmedia_getstate(s); 298 299 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val); 300 301 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 302 ifr.ifr_media = ifmr->ifm_current; 303 if (clear) 304 ifr.ifr_media &= ~options; 305 else { 306 if (options & IFM_HDX) { 307 ifr.ifr_media &= ~IFM_FDX; 308 options &= ~IFM_HDX; 309 } 310 ifr.ifr_media |= options; 311 } 312 ifmr->ifm_current = ifr.ifr_media; 313 callback_register(setifmediacallback, (void *)ifmr); 314 } 315 316 static void 317 setmediainst(const char *val, int d, int s, const struct afswtch *afp) 318 { 319 struct ifmediareq *ifmr; 320 int inst; 321 322 ifmr = ifmedia_getstate(s); 323 324 inst = atoi(val); 325 if (inst < 0 || inst > IFM_INST_MAX) 326 errx(1, "invalid media instance: %s", val); 327 328 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 329 ifr.ifr_media = (ifmr->ifm_current & ~IFM_IMASK) | inst << IFM_ISHIFT; 330 331 ifmr->ifm_current = ifr.ifr_media; 332 callback_register(setifmediacallback, (void *)ifmr); 333 } 334 335 static void 336 setmediamode(const char *val, int d, int s, const struct afswtch *afp) 337 { 338 struct ifmediareq *ifmr; 339 int mode; 340 341 ifmr = ifmedia_getstate(s); 342 343 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val); 344 345 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 346 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode; 347 348 ifmr->ifm_current = ifr.ifr_media; 349 callback_register(setifmediacallback, (void *)ifmr); 350 } 351 352 /********************************************************************** 353 * A good chunk of this is duplicated from sys/net/ifmedia.c 354 **********************************************************************/ 355 356 static struct ifmedia_description ifm_type_descriptions[] = 357 IFM_TYPE_DESCRIPTIONS; 358 359 static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = 360 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 361 362 static struct ifmedia_description ifm_subtype_ethernet_aliases[] = 363 IFM_SUBTYPE_ETHERNET_ALIASES; 364 365 static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 366 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 367 368 static struct ifmedia_description ifm_subtype_tokenring_descriptions[] = 369 IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; 370 371 static struct ifmedia_description ifm_subtype_tokenring_aliases[] = 372 IFM_SUBTYPE_TOKENRING_ALIASES; 373 374 static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = 375 IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; 376 377 static struct ifmedia_description ifm_subtype_fddi_descriptions[] = 378 IFM_SUBTYPE_FDDI_DESCRIPTIONS; 379 380 static struct ifmedia_description ifm_subtype_fddi_aliases[] = 381 IFM_SUBTYPE_FDDI_ALIASES; 382 383 static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] = 384 IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; 385 386 static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 387 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 388 389 static struct ifmedia_description ifm_subtype_ieee80211_aliases[] = 390 IFM_SUBTYPE_IEEE80211_ALIASES; 391 392 static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 393 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 394 395 struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 396 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 397 398 struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] = 399 IFM_SUBTYPE_IEEE80211_MODE_ALIASES; 400 401 static struct ifmedia_description ifm_subtype_atm_descriptions[] = 402 IFM_SUBTYPE_ATM_DESCRIPTIONS; 403 404 static struct ifmedia_description ifm_subtype_atm_aliases[] = 405 IFM_SUBTYPE_ATM_ALIASES; 406 407 static struct ifmedia_description ifm_subtype_atm_option_descriptions[] = 408 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 409 410 static struct ifmedia_description ifm_subtype_shared_descriptions[] = 411 IFM_SUBTYPE_SHARED_DESCRIPTIONS; 412 413 static struct ifmedia_description ifm_subtype_shared_aliases[] = 414 IFM_SUBTYPE_SHARED_ALIASES; 415 416 static struct ifmedia_description ifm_shared_option_descriptions[] = 417 IFM_SHARED_OPTION_DESCRIPTIONS; 418 419 struct ifmedia_type_to_subtype { 420 struct { 421 struct ifmedia_description *desc; 422 int alias; 423 } subtypes[5]; 424 struct { 425 struct ifmedia_description *desc; 426 int alias; 427 } options[3]; 428 struct { 429 struct ifmedia_description *desc; 430 int alias; 431 } modes[3]; 432 }; 433 434 /* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 435 static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 436 { 437 { 438 { &ifm_subtype_shared_descriptions[0], 0 }, 439 { &ifm_subtype_shared_aliases[0], 1 }, 440 { &ifm_subtype_ethernet_descriptions[0], 0 }, 441 { &ifm_subtype_ethernet_aliases[0], 1 }, 442 { NULL, 0 }, 443 }, 444 { 445 { &ifm_shared_option_descriptions[0], 0 }, 446 { &ifm_subtype_ethernet_option_descriptions[0], 0 }, 447 { NULL, 0 }, 448 }, 449 { 450 { NULL, 0 }, 451 }, 452 }, 453 { 454 { 455 { &ifm_subtype_shared_descriptions[0], 0 }, 456 { &ifm_subtype_shared_aliases[0], 1 }, 457 { &ifm_subtype_tokenring_descriptions[0], 0 }, 458 { &ifm_subtype_tokenring_aliases[0], 1 }, 459 { NULL, 0 }, 460 }, 461 { 462 { &ifm_shared_option_descriptions[0], 0 }, 463 { &ifm_subtype_tokenring_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_fddi_descriptions[0], 0 }, 475 { &ifm_subtype_fddi_aliases[0], 1 }, 476 { NULL, 0 }, 477 }, 478 { 479 { &ifm_shared_option_descriptions[0], 0 }, 480 { &ifm_subtype_fddi_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_ieee80211_descriptions[0], 0 }, 492 { &ifm_subtype_ieee80211_aliases[0], 1 }, 493 { NULL, 0 }, 494 }, 495 { 496 { &ifm_shared_option_descriptions[0], 0 }, 497 { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, 498 { NULL, 0 }, 499 }, 500 { 501 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, 502 { &ifm_subtype_ieee80211_mode_aliases[0], 0 }, 503 { NULL, 0 }, 504 }, 505 }, 506 { 507 { 508 { &ifm_subtype_shared_descriptions[0], 0 }, 509 { &ifm_subtype_shared_aliases[0], 1 }, 510 { &ifm_subtype_atm_descriptions[0], 0 }, 511 { &ifm_subtype_atm_aliases[0], 1 }, 512 { NULL, 0 }, 513 }, 514 { 515 { &ifm_shared_option_descriptions[0], 0 }, 516 { &ifm_subtype_atm_option_descriptions[0], 0 }, 517 { NULL, 0 }, 518 }, 519 { 520 { NULL, 0 }, 521 }, 522 }, 523 }; 524 525 static int 526 get_media_subtype(int type, const char *val) 527 { 528 struct ifmedia_description *desc; 529 struct ifmedia_type_to_subtype *ttos; 530 int rval, i; 531 532 /* Find the top-level interface type. */ 533 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 534 desc->ifmt_string != NULL; desc++, ttos++) 535 if (type == desc->ifmt_word) 536 break; 537 if (desc->ifmt_string == NULL) 538 errx(1, "unknown media type 0x%x", type); 539 540 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 541 rval = lookup_media_word(ttos->subtypes[i].desc, val); 542 if (rval != -1) 543 return (rval); 544 } 545 errx(1, "unknown media subtype: %s", val); 546 /*NOTREACHED*/ 547 } 548 549 static int 550 get_media_mode(int type, const char *val) 551 { 552 struct ifmedia_description *desc; 553 struct ifmedia_type_to_subtype *ttos; 554 int rval, i; 555 556 /* Find the top-level interface type. */ 557 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 558 desc->ifmt_string != NULL; desc++, ttos++) 559 if (type == desc->ifmt_word) 560 break; 561 if (desc->ifmt_string == NULL) 562 errx(1, "unknown media mode 0x%x", type); 563 564 for (i = 0; ttos->modes[i].desc != NULL; i++) { 565 rval = lookup_media_word(ttos->modes[i].desc, val); 566 if (rval != -1) 567 return (rval); 568 } 569 return -1; 570 } 571 572 static int 573 get_media_options(int type, const char *val) 574 { 575 struct ifmedia_description *desc; 576 struct ifmedia_type_to_subtype *ttos; 577 char *optlist, *optptr; 578 int option = 0, i, rval = 0; 579 580 /* We muck with the string, so copy it. */ 581 optlist = strdup(val); 582 if (optlist == NULL) 583 err(1, "strdup"); 584 585 /* Find the top-level interface type. */ 586 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 587 desc->ifmt_string != NULL; desc++, ttos++) 588 if (type == desc->ifmt_word) 589 break; 590 if (desc->ifmt_string == NULL) 591 errx(1, "unknown media type 0x%x", type); 592 593 /* 594 * Look up the options in the user-provided comma-separated 595 * list. 596 */ 597 optptr = optlist; 598 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { 599 for (i = 0; ttos->options[i].desc != NULL; i++) { 600 option = lookup_media_word(ttos->options[i].desc, optptr); 601 if (option != -1) 602 break; 603 } 604 if (option == 0) 605 errx(1, "unknown option: %s", optptr); 606 rval |= option; 607 } 608 609 free(optlist); 610 return (rval); 611 } 612 613 static int 614 lookup_media_word(struct ifmedia_description *desc, const char *val) 615 { 616 617 for (; desc->ifmt_string != NULL; desc++) 618 if (strcasecmp(desc->ifmt_string, val) == 0) 619 return (desc->ifmt_word); 620 621 return (-1); 622 } 623 624 static struct ifmedia_description *get_toptype_desc(int ifmw) 625 { 626 struct ifmedia_description *desc; 627 628 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) 629 if (IFM_TYPE(ifmw) == desc->ifmt_word) 630 break; 631 632 return desc; 633 } 634 635 static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) 636 { 637 struct ifmedia_description *desc; 638 struct ifmedia_type_to_subtype *ttos; 639 640 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 641 desc->ifmt_string != NULL; desc++, ttos++) 642 if (IFM_TYPE(ifmw) == desc->ifmt_word) 643 break; 644 645 return ttos; 646 } 647 648 static struct ifmedia_description *get_subtype_desc(int ifmw, 649 struct ifmedia_type_to_subtype *ttos) 650 { 651 int i; 652 struct ifmedia_description *desc; 653 654 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 655 if (ttos->subtypes[i].alias) 656 continue; 657 for (desc = ttos->subtypes[i].desc; 658 desc->ifmt_string != NULL; desc++) { 659 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 660 return desc; 661 } 662 } 663 664 return NULL; 665 } 666 667 static struct ifmedia_description *get_mode_desc(int ifmw, 668 struct ifmedia_type_to_subtype *ttos) 669 { 670 int i; 671 struct ifmedia_description *desc; 672 673 for (i = 0; ttos->modes[i].desc != NULL; i++) { 674 if (ttos->modes[i].alias) 675 continue; 676 for (desc = ttos->modes[i].desc; 677 desc->ifmt_string != NULL; desc++) { 678 if (IFM_MODE(ifmw) == desc->ifmt_word) 679 return desc; 680 } 681 } 682 683 return NULL; 684 } 685 686 static void 687 print_media_word(int ifmw, int print_toptype) 688 { 689 struct ifmedia_description *desc; 690 struct ifmedia_type_to_subtype *ttos; 691 int seen_option = 0, i; 692 693 /* Find the top-level interface type. */ 694 desc = get_toptype_desc(ifmw); 695 ttos = get_toptype_ttos(ifmw); 696 if (desc->ifmt_string == NULL) { 697 printf("<unknown type>"); 698 return; 699 } else if (print_toptype) { 700 printf("%s", desc->ifmt_string); 701 } 702 703 /* 704 * Don't print the top-level type; it's not like we can 705 * change it, or anything. 706 */ 707 708 /* Find subtype. */ 709 desc = get_subtype_desc(ifmw, ttos); 710 if (desc == NULL) { 711 printf("<unknown subtype>"); 712 return; 713 } 714 715 if (print_toptype) 716 putchar(' '); 717 718 printf("%s", desc->ifmt_string); 719 720 if (print_toptype) { 721 desc = get_mode_desc(ifmw, ttos); 722 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string)) 723 printf(" mode %s", desc->ifmt_string); 724 } 725 726 /* Find options. */ 727 for (i = 0; ttos->options[i].desc != NULL; i++) { 728 if (ttos->options[i].alias) 729 continue; 730 for (desc = ttos->options[i].desc; 731 desc->ifmt_string != NULL; desc++) { 732 if (ifmw & desc->ifmt_word) { 733 if (seen_option == 0) 734 printf(" <"); 735 printf("%s%s", seen_option++ ? "," : "", 736 desc->ifmt_string); 737 } 738 } 739 } 740 printf("%s", seen_option ? ">" : ""); 741 742 if (print_toptype && IFM_INST(ifmw) != 0) 743 printf(" instance %d", IFM_INST(ifmw)); 744 } 745 746 static void 747 print_media_word_ifconfig(int ifmw) 748 { 749 struct ifmedia_description *desc; 750 struct ifmedia_type_to_subtype *ttos; 751 int i; 752 753 /* Find the top-level interface type. */ 754 desc = get_toptype_desc(ifmw); 755 ttos = get_toptype_ttos(ifmw); 756 if (desc->ifmt_string == NULL) { 757 printf("<unknown type>"); 758 return; 759 } 760 761 /* 762 * Don't print the top-level type; it's not like we can 763 * change it, or anything. 764 */ 765 766 /* Find subtype. */ 767 desc = get_subtype_desc(ifmw, ttos); 768 if (desc == NULL) { 769 printf("<unknown subtype>"); 770 return; 771 } 772 773 printf("media %s", desc->ifmt_string); 774 775 desc = get_mode_desc(ifmw, ttos); 776 if (desc != NULL) 777 printf(" mode %s", desc->ifmt_string); 778 779 /* Find options. */ 780 for (i = 0; ttos->options[i].desc != NULL; i++) { 781 if (ttos->options[i].alias) 782 continue; 783 for (desc = ttos->options[i].desc; 784 desc->ifmt_string != NULL; desc++) { 785 if (ifmw & desc->ifmt_word) { 786 printf(" mediaopt %s", desc->ifmt_string); 787 } 788 } 789 } 790 791 if (IFM_INST(ifmw) != 0) 792 printf(" instance %d", IFM_INST(ifmw)); 793 } 794 795 /********************************************************************** 796 * ...until here. 797 **********************************************************************/ 798 799 static struct cmd media_cmds[] = { 800 DEF_CMD_ARG("media", setmedia), 801 DEF_CMD_ARG("mode", setmediamode), 802 DEF_CMD_ARG("mediaopt", setmediaopt), 803 DEF_CMD_ARG("-mediaopt",unsetmediaopt), 804 DEF_CMD_ARG("inst", setmediainst), 805 DEF_CMD_ARG("instance", setmediainst), 806 }; 807 static struct afswtch af_media = { 808 .af_name = "af_media", 809 .af_af = AF_UNSPEC, 810 .af_other_status = media_status, 811 }; 812 813 static __constructor void 814 ifmedia_ctor(void) 815 { 816 #define N(a) (sizeof(a) / sizeof(a[0])) 817 int i; 818 819 for (i = 0; i < N(media_cmds); i++) 820 cmd_register(&media_cmds[i]); 821 af_register(&af_media); 822 #undef N 823 } 824