ifmedia.c revision 154240
1/* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */ 2/* $FreeBSD: head/sbin/ifconfig/ifmedia.c 154240 2006-01-11 22:37:59Z ambrisko $ */ 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 92static void domediaopt(const char *, int, int); 93static int get_media_subtype(int, const char *); 94static int get_media_mode(int, const char *); 95static int get_media_options(int, const char *); 96static int lookup_media_word(struct ifmedia_description *, const char *); 97static void print_media_word(int, int); 98static void print_media_word_ifconfig(int); 99 100static struct ifmedia_description *get_toptype_desc(int); 101static struct ifmedia_type_to_subtype *get_toptype_ttos(int); 102static struct ifmedia_description *get_subtype_desc(int, 103 struct ifmedia_type_to_subtype *ttos); 104 105static void 106media_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 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 193static struct ifmediareq * 194getifmediastate(int s) 195{ 196 static struct ifmediareq *ifmr = NULL; 197 int *mwords; 198 199 if (ifmr == NULL) { 200 ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq)); 201 if (ifmr == NULL) 202 err(1, "malloc"); 203 204 (void) memset(ifmr, 0, sizeof(struct ifmediareq)); 205 (void) strncpy(ifmr->ifm_name, name, 206 sizeof(ifmr->ifm_name)); 207 208 ifmr->ifm_count = 0; 209 ifmr->ifm_ulist = NULL; 210 211 /* 212 * We must go through the motions of reading all 213 * supported media because we need to know both 214 * the current media type and the top-level type. 215 */ 216 217 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) { 218 err(1, "SIOCGIFMEDIA"); 219 } 220 221 if (ifmr->ifm_count == 0) 222 errx(1, "%s: no media types?", name); 223 224 mwords = (int *)malloc(ifmr->ifm_count * sizeof(int)); 225 if (mwords == NULL) 226 err(1, "malloc"); 227 228 ifmr->ifm_ulist = mwords; 229 if (ioctl(s, SIOCGIFMEDIA, (caddr_t)ifmr) < 0) 230 err(1, "SIOCGIFMEDIA"); 231 } 232 233 return ifmr; 234} 235 236static void 237setifmediacallback(int s, void *arg) 238{ 239 struct ifmediareq *ifmr = (struct ifmediareq *)arg; 240 static int did_it = 0; 241 242 if (!did_it) { 243 ifr.ifr_media = ifmr->ifm_current; 244 if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) 245 err(1, "SIOCSIFMEDIA (media)"); 246 free(ifmr->ifm_ulist); 247 free(ifmr); 248 did_it = 1; 249 } 250} 251 252static void 253setmedia(const char *val, int d, int s, const struct afswtch *afp) 254{ 255 struct ifmediareq *ifmr; 256 int subtype; 257 258 259 ifmr = getifmediastate(s); 260 261 /* 262 * We are primarily concerned with the top-level type. 263 * However, "current" may be only IFM_NONE, so we just look 264 * for the top-level type in the first "supported type" 265 * entry. 266 * 267 * (I'm assuming that all supported media types for a given 268 * interface will be the same top-level type..) 269 */ 270 subtype = get_media_subtype(IFM_TYPE(ifmr->ifm_ulist[0]), val); 271 272 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 273 ifr.ifr_media = (ifmr->ifm_current & ~(IFM_NMASK|IFM_TMASK)) | 274 IFM_TYPE(ifmr->ifm_ulist[0]) | subtype; 275 276 if ((ifr.ifr_media & IFM_TMASK) == 0) { 277 ifr.ifr_media &= ~IFM_GMASK; 278 } 279 280 ifmr->ifm_current = ifr.ifr_media; 281 callback_register(setifmediacallback, (void *)ifmr); 282} 283 284static void 285setmediaopt(const char *val, int d, int s, const struct afswtch *afp) 286{ 287 288 domediaopt(val, 0, s); 289} 290 291static void 292unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) 293{ 294 295 domediaopt(val, 1, s); 296} 297 298static void 299domediaopt(const char *val, int clear, int s) 300{ 301 struct ifmediareq *ifmr; 302 int options; 303 304 ifmr = getifmediastate(s); 305 306 options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val); 307 308 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 309 ifr.ifr_media = ifmr->ifm_current; 310 if (clear) 311 ifr.ifr_media &= ~options; 312 else 313 ifr.ifr_media |= options; 314 315 ifmr->ifm_current = ifr.ifr_media; 316 callback_register(setifmediacallback, (void *)ifmr); 317} 318 319 320static void 321setmediamode(const char *val, int d, int s, const struct afswtch *afp) 322{ 323 struct ifmediareq *ifmr; 324 int mode; 325 326 ifmr = getifmediastate(s); 327 328 mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val); 329 330 strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); 331 ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode; 332 333 ifmr->ifm_current = ifr.ifr_media; 334 callback_register(setifmediacallback, (void *)ifmr); 335} 336 337/********************************************************************** 338 * A good chunk of this is duplicated from sys/net/ifmedia.c 339 **********************************************************************/ 340 341static struct ifmedia_description ifm_type_descriptions[] = 342 IFM_TYPE_DESCRIPTIONS; 343 344static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = 345 IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 346 347static struct ifmedia_description ifm_subtype_ethernet_aliases[] = 348 IFM_SUBTYPE_ETHERNET_ALIASES; 349 350static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 351 IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 352 353static struct ifmedia_description ifm_subtype_tokenring_descriptions[] = 354 IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; 355 356static struct ifmedia_description ifm_subtype_tokenring_aliases[] = 357 IFM_SUBTYPE_TOKENRING_ALIASES; 358 359static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = 360 IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; 361 362static struct ifmedia_description ifm_subtype_fddi_descriptions[] = 363 IFM_SUBTYPE_FDDI_DESCRIPTIONS; 364 365static struct ifmedia_description ifm_subtype_fddi_aliases[] = 366 IFM_SUBTYPE_FDDI_ALIASES; 367 368static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] = 369 IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; 370 371static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 372 IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 373 374static struct ifmedia_description ifm_subtype_ieee80211_aliases[] = 375 IFM_SUBTYPE_IEEE80211_ALIASES; 376 377static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 378 IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 379 380struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 381 IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 382 383struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] = 384 IFM_SUBTYPE_IEEE80211_MODE_ALIASES; 385 386static struct ifmedia_description ifm_subtype_atm_descriptions[] = 387 IFM_SUBTYPE_ATM_DESCRIPTIONS; 388 389static struct ifmedia_description ifm_subtype_atm_aliases[] = 390 IFM_SUBTYPE_ATM_ALIASES; 391 392static struct ifmedia_description ifm_subtype_atm_option_descriptions[] = 393 IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 394 395static struct ifmedia_description ifm_subtype_shared_descriptions[] = 396 IFM_SUBTYPE_SHARED_DESCRIPTIONS; 397 398static struct ifmedia_description ifm_subtype_shared_aliases[] = 399 IFM_SUBTYPE_SHARED_ALIASES; 400 401static struct ifmedia_description ifm_shared_option_descriptions[] = 402 IFM_SHARED_OPTION_DESCRIPTIONS; 403 404struct ifmedia_type_to_subtype { 405 struct { 406 struct ifmedia_description *desc; 407 int alias; 408 } subtypes[5]; 409 struct { 410 struct ifmedia_description *desc; 411 int alias; 412 } options[3]; 413 struct { 414 struct ifmedia_description *desc; 415 int alias; 416 } modes[3]; 417}; 418 419/* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 420static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 421 { 422 { 423 { &ifm_subtype_shared_descriptions[0], 0 }, 424 { &ifm_subtype_shared_aliases[0], 1 }, 425 { &ifm_subtype_ethernet_descriptions[0], 0 }, 426 { &ifm_subtype_ethernet_aliases[0], 1 }, 427 { NULL, 0 }, 428 }, 429 { 430 { &ifm_shared_option_descriptions[0], 0 }, 431 { &ifm_subtype_ethernet_option_descriptions[0], 0 }, 432 { NULL, 0 }, 433 }, 434 { 435 { NULL, 0 }, 436 }, 437 }, 438 { 439 { 440 { &ifm_subtype_shared_descriptions[0], 0 }, 441 { &ifm_subtype_shared_aliases[0], 1 }, 442 { &ifm_subtype_tokenring_descriptions[0], 0 }, 443 { &ifm_subtype_tokenring_aliases[0], 1 }, 444 { NULL, 0 }, 445 }, 446 { 447 { &ifm_shared_option_descriptions[0], 0 }, 448 { &ifm_subtype_tokenring_option_descriptions[0], 0 }, 449 { NULL, 0 }, 450 }, 451 { 452 { NULL, 0 }, 453 }, 454 }, 455 { 456 { 457 { &ifm_subtype_shared_descriptions[0], 0 }, 458 { &ifm_subtype_shared_aliases[0], 1 }, 459 { &ifm_subtype_fddi_descriptions[0], 0 }, 460 { &ifm_subtype_fddi_aliases[0], 1 }, 461 { NULL, 0 }, 462 }, 463 { 464 { &ifm_shared_option_descriptions[0], 0 }, 465 { &ifm_subtype_fddi_option_descriptions[0], 0 }, 466 { NULL, 0 }, 467 }, 468 { 469 { NULL, 0 }, 470 }, 471 }, 472 { 473 { 474 { &ifm_subtype_shared_descriptions[0], 0 }, 475 { &ifm_subtype_shared_aliases[0], 1 }, 476 { &ifm_subtype_ieee80211_descriptions[0], 0 }, 477 { &ifm_subtype_ieee80211_aliases[0], 1 }, 478 { NULL, 0 }, 479 }, 480 { 481 { &ifm_shared_option_descriptions[0], 0 }, 482 { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, 483 { NULL, 0 }, 484 }, 485 { 486 { &ifm_subtype_ieee80211_mode_descriptions[0], 0 }, 487 { &ifm_subtype_ieee80211_mode_aliases[0], 0 }, 488 { NULL, 0 }, 489 }, 490 }, 491 { 492 { 493 { &ifm_subtype_shared_descriptions[0], 0 }, 494 { &ifm_subtype_shared_aliases[0], 1 }, 495 { &ifm_subtype_atm_descriptions[0], 0 }, 496 { &ifm_subtype_atm_aliases[0], 1 }, 497 { NULL, 0 }, 498 }, 499 { 500 { &ifm_shared_option_descriptions[0], 0 }, 501 { &ifm_subtype_atm_option_descriptions[0], 0 }, 502 { NULL, 0 }, 503 }, 504 { 505 { NULL, 0 }, 506 }, 507 }, 508}; 509 510static int 511get_media_subtype(int type, const char *val) 512{ 513 struct ifmedia_description *desc; 514 struct ifmedia_type_to_subtype *ttos; 515 int rval, i; 516 517 /* Find the top-level interface type. */ 518 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 519 desc->ifmt_string != NULL; desc++, ttos++) 520 if (type == desc->ifmt_word) 521 break; 522 if (desc->ifmt_string == NULL) 523 errx(1, "unknown media type 0x%x", type); 524 525 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 526 rval = lookup_media_word(ttos->subtypes[i].desc, val); 527 if (rval != -1) 528 return (rval); 529 } 530 errx(1, "unknown media subtype: %s", val); 531 /*NOTREACHED*/ 532} 533 534static int 535get_media_mode(int type, const char *val) 536{ 537 struct ifmedia_description *desc; 538 struct ifmedia_type_to_subtype *ttos; 539 int rval, i; 540 541 /* Find the top-level interface type. */ 542 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 543 desc->ifmt_string != NULL; desc++, ttos++) 544 if (type == desc->ifmt_word) 545 break; 546 if (desc->ifmt_string == NULL) 547 errx(1, "unknown media mode 0x%x", type); 548 549 for (i = 0; ttos->modes[i].desc != NULL; i++) { 550 rval = lookup_media_word(ttos->modes[i].desc, val); 551 if (rval != -1) 552 return (rval); 553 } 554 return -1; 555} 556 557static int 558get_media_options(int type, const char *val) 559{ 560 struct ifmedia_description *desc; 561 struct ifmedia_type_to_subtype *ttos; 562 char *optlist, *optptr; 563 int option = 0, i, rval = 0; 564 565 /* We muck with the string, so copy it. */ 566 optlist = strdup(val); 567 if (optlist == NULL) 568 err(1, "strdup"); 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 /* 579 * Look up the options in the user-provided comma-separated 580 * list. 581 */ 582 optptr = optlist; 583 for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { 584 for (i = 0; ttos->options[i].desc != NULL; i++) { 585 option = lookup_media_word(ttos->options[i].desc, optptr); 586 if (option != -1) 587 break; 588 } 589 if (option == 0) 590 errx(1, "unknown option: %s", optptr); 591 rval |= option; 592 } 593 594 free(optlist); 595 return (rval); 596} 597 598static int 599lookup_media_word(struct ifmedia_description *desc, const char *val) 600{ 601 602 for (; desc->ifmt_string != NULL; desc++) 603 if (strcasecmp(desc->ifmt_string, val) == 0) 604 return (desc->ifmt_word); 605 606 return (-1); 607} 608 609static struct ifmedia_description *get_toptype_desc(int ifmw) 610{ 611 struct ifmedia_description *desc; 612 613 for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) 614 if (IFM_TYPE(ifmw) == desc->ifmt_word) 615 break; 616 617 return desc; 618} 619 620static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) 621{ 622 struct ifmedia_description *desc; 623 struct ifmedia_type_to_subtype *ttos; 624 625 for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 626 desc->ifmt_string != NULL; desc++, ttos++) 627 if (IFM_TYPE(ifmw) == desc->ifmt_word) 628 break; 629 630 return ttos; 631} 632 633static struct ifmedia_description *get_subtype_desc(int ifmw, 634 struct ifmedia_type_to_subtype *ttos) 635{ 636 int i; 637 struct ifmedia_description *desc; 638 639 for (i = 0; ttos->subtypes[i].desc != NULL; i++) { 640 if (ttos->subtypes[i].alias) 641 continue; 642 for (desc = ttos->subtypes[i].desc; 643 desc->ifmt_string != NULL; desc++) { 644 if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 645 return desc; 646 } 647 } 648 649 return NULL; 650} 651 652static struct ifmedia_description *get_mode_desc(int ifmw, 653 struct ifmedia_type_to_subtype *ttos) 654{ 655 int i; 656 struct ifmedia_description *desc; 657 658 for (i = 0; ttos->modes[i].desc != NULL; i++) { 659 if (ttos->modes[i].alias) 660 continue; 661 for (desc = ttos->modes[i].desc; 662 desc->ifmt_string != NULL; desc++) { 663 if (IFM_MODE(ifmw) == desc->ifmt_word) 664 return desc; 665 } 666 } 667 668 return NULL; 669} 670 671static void 672print_media_word(int ifmw, int print_toptype) 673{ 674 struct ifmedia_description *desc; 675 struct ifmedia_type_to_subtype *ttos; 676 int seen_option = 0, i; 677 678 /* Find the top-level interface type. */ 679 desc = get_toptype_desc(ifmw); 680 ttos = get_toptype_ttos(ifmw); 681 if (desc->ifmt_string == NULL) { 682 printf("<unknown type>"); 683 return; 684 } else if (print_toptype) { 685 printf("%s", desc->ifmt_string); 686 } 687 688 /* 689 * Don't print the top-level type; it's not like we can 690 * change it, or anything. 691 */ 692 693 /* Find subtype. */ 694 desc = get_subtype_desc(ifmw, ttos); 695 if (desc != NULL) 696 goto got_subtype; 697 698 /* Falling to here means unknown subtype. */ 699 printf("<unknown subtype>"); 700 return; 701 702 got_subtype: 703 if (print_toptype) 704 putchar(' '); 705 706 printf("%s", desc->ifmt_string); 707 708 if (print_toptype) { 709 desc = get_mode_desc(ifmw, ttos); 710 if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string)) 711 printf(" mode %s", desc->ifmt_string); 712 } 713 714 /* Find options. */ 715 for (i = 0; ttos->options[i].desc != NULL; i++) { 716 if (ttos->options[i].alias) 717 continue; 718 for (desc = ttos->options[i].desc; 719 desc->ifmt_string != NULL; desc++) { 720 if (ifmw & desc->ifmt_word) { 721 if (seen_option == 0) 722 printf(" <"); 723 printf("%s%s", seen_option++ ? "," : "", 724 desc->ifmt_string); 725 } 726 } 727 } 728 printf("%s", seen_option ? ">" : ""); 729} 730 731static void 732print_media_word_ifconfig(int ifmw) 733{ 734 struct ifmedia_description *desc; 735 struct ifmedia_type_to_subtype *ttos; 736 int i; 737 738 /* Find the top-level interface type. */ 739 desc = get_toptype_desc(ifmw); 740 ttos = get_toptype_ttos(ifmw); 741 if (desc->ifmt_string == NULL) { 742 printf("<unknown type>"); 743 return; 744 } 745 746 /* 747 * Don't print the top-level type; it's not like we can 748 * change it, or anything. 749 */ 750 751 /* Find subtype. */ 752 desc = get_subtype_desc(ifmw, ttos); 753 if (desc != NULL) 754 goto got_subtype; 755 756 /* Falling to here means unknown subtype. */ 757 printf("<unknown subtype>"); 758 return; 759 760 got_subtype: 761 printf("media %s", desc->ifmt_string); 762 763 desc = get_mode_desc(ifmw, ttos); 764 if (desc != NULL) 765 printf(" mode %s", desc->ifmt_string); 766 767 /* Find options. */ 768 for (i = 0; ttos->options[i].desc != NULL; i++) { 769 if (ttos->options[i].alias) 770 continue; 771 for (desc = ttos->options[i].desc; 772 desc->ifmt_string != NULL; desc++) { 773 if (ifmw & desc->ifmt_word) { 774 printf(" mediaopt %s", desc->ifmt_string); 775 } 776 } 777 } 778} 779 780/********************************************************************** 781 * ...until here. 782 **********************************************************************/ 783 784static struct cmd media_cmds[] = { 785 DEF_CMD_ARG("media", setmedia), 786 DEF_CMD_ARG("mode", setmediamode), 787 DEF_CMD_ARG("mediaopt", setmediaopt), 788 DEF_CMD_ARG("-mediaopt",unsetmediaopt), 789}; 790static struct afswtch af_media = { 791 .af_name = "af_media", 792 .af_af = AF_UNSPEC, 793 .af_other_status = media_status, 794}; 795 796static __constructor void 797ifmedia_ctor(void) 798{ 799#define N(a) (sizeof(a) / sizeof(a[0])) 800 int i; 801 802 for (i = 0; i < N(media_cmds); i++) 803 cmd_register(&media_cmds[i]); 804 af_register(&af_media); 805#undef N 806} 807