125428Speter/* $NetBSD: if_media.c,v 1.1 1997/03/17 02:55:15 thorpej Exp $ */ 250477Speter/* $FreeBSD$ */ 325428Speter 4139823Simp/*- 525428Speter * Copyright (c) 1997 625428Speter * Jonathan Stone and Jason R. Thorpe. All rights reserved. 725428Speter * 825428Speter * This software is derived from information provided by Matt Thomas. 925428Speter * 1025428Speter * Redistribution and use in source and binary forms, with or without 1125428Speter * modification, are permitted provided that the following conditions 1225428Speter * are met: 1325428Speter * 1. Redistributions of source code must retain the above copyright 1425428Speter * notice, this list of conditions and the following disclaimer. 1525428Speter * 2. Redistributions in binary form must reproduce the above copyright 1625428Speter * notice, this list of conditions and the following disclaimer in the 1725428Speter * documentation and/or other materials provided with the distribution. 1825428Speter * 3. All advertising materials mentioning features or use of this software 1925428Speter * must display the following acknowledgement: 2025428Speter * This product includes software developed by Jonathan Stone 2125428Speter * and Jason R. Thorpe for the NetBSD Project. 2225428Speter * 4. The names of the authors may not be used to endorse or promote products 2325428Speter * derived from this software without specific prior written permission. 2425428Speter * 2525428Speter * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR 2625428Speter * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 2725428Speter * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2825428Speter * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2925428Speter * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 3025428Speter * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 3125428Speter * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 3225428Speter * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 3325428Speter * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3425428Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3525428Speter * SUCH DAMAGE. 3625428Speter */ 3725428Speter 3825428Speter/* 3925428Speter * BSD/OS-compatible network interface media selection. 4025428Speter * 4125428Speter * Where it is safe to do so, this code strays slightly from the BSD/OS 4225428Speter * design. Software which uses the API (device drivers, basically) 4325428Speter * shouldn't notice any difference. 4425428Speter * 4525428Speter * Many thanks to Matt Thomas for providing the information necessary 4625428Speter * to implement this interface. 4725428Speter */ 4825428Speter 4925428Speter#include <sys/param.h> 5025428Speter#include <sys/systm.h> 5125428Speter#include <sys/socket.h> 5225431Speter#include <sys/sockio.h> 5325428Speter#include <sys/malloc.h> 54153723Ssam#include <sys/module.h> 55153723Ssam#include <sys/sysctl.h> 5625428Speter 5725428Speter#include <net/if.h> 5825428Speter#include <net/if_media.h> 5925428Speter 6025428Speter/* 6125428Speter * Compile-time options: 6225428Speter * IFMEDIA_DEBUG: 6325428Speter * turn on implementation-level debug printfs. 6425428Speter * Useful for debugging newly-ported drivers. 6525428Speter */ 6625428Speter 6792725Salfredstatic struct ifmedia_entry *ifmedia_match(struct ifmedia *ifm, 6892725Salfred int flags, int mask); 6925428Speter 7025428Speter#ifdef IFMEDIA_DEBUG 7125428Speterint ifmedia_debug = 0; 72153723SsamSYSCTL_INT(_debug, OID_AUTO, ifmedia, CTLFLAG_RW, &ifmedia_debug, 73153723Ssam 0, "if_media debugging msgs"); 7492725Salfredstatic void ifmedia_printword(int); 7525428Speter#endif 7625428Speter 7725428Speter/* 7825428Speter * Initialize if_media struct for a specific interface instance. 7925428Speter */ 8025428Spetervoid 8125428Speterifmedia_init(ifm, dontcare_mask, change_callback, status_callback) 8225428Speter struct ifmedia *ifm; 8325428Speter int dontcare_mask; 8425428Speter ifm_change_cb_t change_callback; 8525428Speter ifm_stat_cb_t status_callback; 8625428Speter{ 8725428Speter 8825428Speter LIST_INIT(&ifm->ifm_list); 8925428Speter ifm->ifm_cur = NULL; 9025428Speter ifm->ifm_media = 0; 9125428Speter ifm->ifm_mask = dontcare_mask; /* IF don't-care bits */ 9225428Speter ifm->ifm_change = change_callback; 9325428Speter ifm->ifm_status = status_callback; 9425428Speter} 9525428Speter 9645720Spetervoid 9745720Speterifmedia_removeall(ifm) 9845720Speter struct ifmedia *ifm; 9945720Speter{ 10045720Speter struct ifmedia_entry *entry; 10145720Speter 10245720Speter for (entry = LIST_FIRST(&ifm->ifm_list); entry; 10345720Speter entry = LIST_FIRST(&ifm->ifm_list)) { 10445720Speter LIST_REMOVE(entry, ifm_list); 10545720Speter free(entry, M_IFADDR); 10645720Speter } 10745720Speter} 10845720Speter 10925428Speter/* 11025428Speter * Add a media configuration to the list of supported media 11125428Speter * for a specific interface instance. 11225428Speter */ 11325428Spetervoid 11425428Speterifmedia_add(ifm, mword, data, aux) 11525428Speter struct ifmedia *ifm; 11625428Speter int mword; 11725428Speter int data; 11825428Speter void *aux; 11925428Speter{ 12025428Speter register struct ifmedia_entry *entry; 12125428Speter 12225428Speter#ifdef IFMEDIA_DEBUG 12325428Speter if (ifmedia_debug) { 12425428Speter if (ifm == NULL) { 12525428Speter printf("ifmedia_add: null ifm\n"); 12625428Speter return; 12725428Speter } 12825428Speter printf("Adding entry for "); 12925428Speter ifmedia_printword(mword); 13025428Speter } 13125428Speter#endif 13225428Speter 13325428Speter entry = malloc(sizeof(*entry), M_IFADDR, M_NOWAIT); 13425428Speter if (entry == NULL) 13525428Speter panic("ifmedia_add: can't malloc entry"); 13625428Speter 13725428Speter entry->ifm_media = mword; 13825428Speter entry->ifm_data = data; 13925428Speter entry->ifm_aux = aux; 14025428Speter 14125428Speter LIST_INSERT_HEAD(&ifm->ifm_list, entry, ifm_list); 14225428Speter} 14325428Speter 14425428Speter/* 14525428Speter * Add an array of media configurations to the list of 14625428Speter * supported media for a specific interface instance. 14725428Speter */ 14825428Spetervoid 14925428Speterifmedia_list_add(ifm, lp, count) 15025428Speter struct ifmedia *ifm; 15125428Speter struct ifmedia_entry *lp; 15225428Speter int count; 15325428Speter{ 15425428Speter int i; 15525428Speter 15625428Speter for (i = 0; i < count; i++) 15725428Speter ifmedia_add(ifm, lp[i].ifm_media, lp[i].ifm_data, 15825428Speter lp[i].ifm_aux); 15925428Speter} 16025428Speter 16125428Speter/* 16225428Speter * Set the default active media. 16325428Speter * 16425428Speter * Called by device-specific code which is assumed to have already 16525428Speter * selected the default media in hardware. We do _not_ call the 16625428Speter * media-change callback. 16725428Speter */ 16825428Spetervoid 16925428Speterifmedia_set(ifm, target) 17025428Speter struct ifmedia *ifm; 17125428Speter int target; 17225428Speter 17325428Speter{ 17425428Speter struct ifmedia_entry *match; 17525428Speter 17625428Speter match = ifmedia_match(ifm, target, ifm->ifm_mask); 17725428Speter 17825428Speter if (match == NULL) { 17925428Speter printf("ifmedia_set: no match for 0x%x/0x%x\n", 18025428Speter target, ~ifm->ifm_mask); 18125428Speter panic("ifmedia_set"); 18225428Speter } 18325428Speter ifm->ifm_cur = match; 18425428Speter 18525428Speter#ifdef IFMEDIA_DEBUG 18625428Speter if (ifmedia_debug) { 18725428Speter printf("ifmedia_set: target "); 18825428Speter ifmedia_printword(target); 18925428Speter printf("ifmedia_set: setting to "); 19025428Speter ifmedia_printword(ifm->ifm_cur->ifm_media); 19125428Speter } 19225428Speter#endif 19325428Speter} 19425428Speter 19525428Speter/* 19625428Speter * Device-independent media ioctl support function. 19725428Speter */ 19825428Speterint 19925428Speterifmedia_ioctl(ifp, ifr, ifm, cmd) 20025428Speter struct ifnet *ifp; 20125428Speter struct ifreq *ifr; 20225428Speter struct ifmedia *ifm; 20325428Speter u_long cmd; 20425428Speter{ 20525428Speter struct ifmedia_entry *match; 20625428Speter struct ifmediareq *ifmr = (struct ifmediareq *) ifr; 20725428Speter int error = 0, sticky; 20825428Speter 20925428Speter if (ifp == NULL || ifr == NULL || ifm == NULL) 21025428Speter return(EINVAL); 21125428Speter 21225428Speter switch (cmd) { 21325428Speter 21425428Speter /* 21525428Speter * Set the current media. 21625428Speter */ 21725428Speter case SIOCSIFMEDIA: 21825428Speter { 21925428Speter struct ifmedia_entry *oldentry; 22025428Speter int oldmedia; 22125428Speter int newmedia = ifr->ifr_media; 22225428Speter 22325428Speter match = ifmedia_match(ifm, newmedia, ifm->ifm_mask); 22425428Speter if (match == NULL) { 22525428Speter#ifdef IFMEDIA_DEBUG 22625428Speter if (ifmedia_debug) { 22725428Speter printf( 22825428Speter "ifmedia_ioctl: no media found for 0x%x\n", 22925428Speter newmedia); 23025428Speter } 23125428Speter#endif 23225428Speter return (ENXIO); 23325428Speter } 23425428Speter 23525428Speter /* 23625428Speter * If no change, we're done. 23725428Speter * XXX Automedia may invole software intervention. 238218909Sbrucec * Keep going in case the connected media changed. 23925428Speter * Similarly, if best match changed (kernel debugger?). 24025428Speter */ 24125428Speter if ((IFM_SUBTYPE(newmedia) != IFM_AUTO) && 24225428Speter (newmedia == ifm->ifm_media) && 24325428Speter (match == ifm->ifm_cur)) 24425428Speter return 0; 24525428Speter 24625428Speter /* 24725428Speter * We found a match, now make the driver switch to it. 24825428Speter * Make sure to preserve our old media type in case the 24925428Speter * driver can't switch. 25025428Speter */ 25125428Speter#ifdef IFMEDIA_DEBUG 25225428Speter if (ifmedia_debug) { 253121816Sbrooks printf("ifmedia_ioctl: switching %s to ", 254121816Sbrooks ifp->if_xname); 25525428Speter ifmedia_printword(match->ifm_media); 25625428Speter } 25725428Speter#endif 25825428Speter oldentry = ifm->ifm_cur; 25925428Speter oldmedia = ifm->ifm_media; 26025428Speter ifm->ifm_cur = match; 26125428Speter ifm->ifm_media = newmedia; 26225428Speter error = (*ifm->ifm_change)(ifp); 26325428Speter if (error) { 26425428Speter ifm->ifm_cur = oldentry; 26525428Speter ifm->ifm_media = oldmedia; 26625428Speter } 26725428Speter break; 26825428Speter } 26925428Speter 27025428Speter /* 27125428Speter * Get list of available media and current media on interface. 27225428Speter */ 27325428Speter case SIOCGIFMEDIA: 27425428Speter { 27525428Speter struct ifmedia_entry *ep; 27625428Speter int *kptr, count; 27773078Salfred int usermax; /* user requested max */ 27825428Speter 27925428Speter kptr = NULL; /* XXX gcc */ 28025428Speter 28125428Speter ifmr->ifm_active = ifmr->ifm_current = ifm->ifm_cur ? 28225428Speter ifm->ifm_cur->ifm_media : IFM_NONE; 28325428Speter ifmr->ifm_mask = ifm->ifm_mask; 28425428Speter ifmr->ifm_status = 0; 28525428Speter (*ifm->ifm_status)(ifp, ifmr); 28625428Speter 28725428Speter count = 0; 28873078Salfred usermax = 0; 28925428Speter 29073078Salfred /* 29173078Salfred * If there are more interfaces on the list, count 29273078Salfred * them. This allows the caller to set ifmr->ifm_count 29373078Salfred * to 0 on the first call to know how much space to 29473079Salfred * allocate. 29573078Salfred */ 29673078Salfred LIST_FOREACH(ep, &ifm->ifm_list, ifm_list) 29773078Salfred usermax++; 29873078Salfred 29973078Salfred /* 30073078Salfred * Don't allow the user to ask for too many 30173085Salfred * or a negative number. 30273078Salfred */ 30373078Salfred if (ifmr->ifm_count > usermax) 30473078Salfred ifmr->ifm_count = usermax; 30573085Salfred else if (ifmr->ifm_count < 0) 30673085Salfred return (EINVAL); 30773078Salfred 30825428Speter if (ifmr->ifm_count != 0) { 30925428Speter kptr = (int *)malloc(ifmr->ifm_count * sizeof(int), 31098849Sken M_TEMP, M_NOWAIT); 31125428Speter 31298849Sken if (kptr == NULL) 31398849Sken return (ENOMEM); 31425428Speter /* 31525428Speter * Get the media words from the interface's list. 31625428Speter */ 31773078Salfred ep = LIST_FIRST(&ifm->ifm_list); 31825428Speter for (; ep != NULL && count < ifmr->ifm_count; 31971959Sphk ep = LIST_NEXT(ep, ifm_list), count++) 32025428Speter kptr[count] = ep->ifm_media; 32125428Speter 32225428Speter if (ep != NULL) 32325428Speter error = E2BIG; /* oops! */ 32473078Salfred } else { 32573078Salfred count = usermax; 32625428Speter } 32725428Speter 32825428Speter /* 32925428Speter * We do the copyout on E2BIG, because that's 33025428Speter * just our way of telling userland that there 33125428Speter * are more. This is the behavior I've observed 33225428Speter * under BSD/OS 3.0 33325428Speter */ 33425428Speter sticky = error; 33525428Speter if ((error == 0 || error == E2BIG) && ifmr->ifm_count != 0) { 33625428Speter error = copyout((caddr_t)kptr, 33725428Speter (caddr_t)ifmr->ifm_ulist, 33825428Speter ifmr->ifm_count * sizeof(int)); 33925428Speter } 34025428Speter 34125428Speter if (error == 0) 34225428Speter error = sticky; 34325428Speter 34425428Speter if (ifmr->ifm_count != 0) 34525428Speter free(kptr, M_TEMP); 34625428Speter 34725428Speter ifmr->ifm_count = count; 34825428Speter break; 34925428Speter } 35025428Speter 35125428Speter default: 35225428Speter return (EINVAL); 35325428Speter } 35425428Speter 35525428Speter return (error); 35625428Speter} 35725428Speter 35825428Speter/* 35925428Speter * Find media entry matching a given ifm word. 36025428Speter * 36125428Speter */ 36233181Seivindstatic struct ifmedia_entry * 36325428Speterifmedia_match(ifm, target, mask) 36425428Speter struct ifmedia *ifm; 36525428Speter int target; 36625428Speter int mask; 36725428Speter{ 36825428Speter struct ifmedia_entry *match, *next; 36925428Speter 37025428Speter match = NULL; 37125428Speter mask = ~mask; 37225428Speter 37372012Sphk LIST_FOREACH(next, &ifm->ifm_list, ifm_list) { 37425428Speter if ((next->ifm_media & mask) == (target & mask)) { 37525428Speter#if defined(IFMEDIA_DEBUG) || defined(DIAGNOSTIC) 37625428Speter if (match) { 37725428Speter printf("ifmedia_match: multiple match for " 37825428Speter "0x%x/0x%x\n", target, mask); 37925428Speter } 38025428Speter#endif 38125428Speter match = next; 38225428Speter } 38325428Speter } 38425428Speter 38525428Speter return match; 38625428Speter} 38725428Speter 388155669Sglebius/* 389155669Sglebius * Compute the interface `baudrate' from the media, for the interface 390155669Sglebius * metrics (used by routing daemons). 391155669Sglebius */ 392155669Sglebiusstatic const struct ifmedia_baudrate ifmedia_baudrate_descriptions[] = 393155669Sglebius IFM_BAUDRATE_DESCRIPTIONS; 394155669Sglebius 395155669Sglebiusuint64_t 396155669Sglebiusifmedia_baudrate(int mword) 397155669Sglebius{ 398155669Sglebius int i; 399155669Sglebius 400155669Sglebius for (i = 0; ifmedia_baudrate_descriptions[i].ifmb_word != 0; i++) { 401155669Sglebius if ((mword & (IFM_NMASK|IFM_TMASK)) == 402155669Sglebius ifmedia_baudrate_descriptions[i].ifmb_word) 403155669Sglebius return (ifmedia_baudrate_descriptions[i].ifmb_baudrate); 404155669Sglebius } 405155669Sglebius 406155669Sglebius /* Not known. */ 407155669Sglebius return (0); 408155669Sglebius} 409155669Sglebius 41025428Speter#ifdef IFMEDIA_DEBUG 41125428Speterstruct ifmedia_description ifm_type_descriptions[] = 41225428Speter IFM_TYPE_DESCRIPTIONS; 41325428Speter 41425428Speterstruct ifmedia_description ifm_subtype_ethernet_descriptions[] = 41525428Speter IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 41625428Speter 41725428Speterstruct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 41825428Speter IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 41925428Speter 42025428Speterstruct ifmedia_description ifm_subtype_tokenring_descriptions[] = 42125428Speter IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; 42225428Speter 42325428Speterstruct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = 42425428Speter IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; 42525428Speter 42625428Speterstruct ifmedia_description ifm_subtype_fddi_descriptions[] = 42725428Speter IFM_SUBTYPE_FDDI_DESCRIPTIONS; 42825428Speter 42925428Speterstruct ifmedia_description ifm_subtype_fddi_option_descriptions[] = 43025428Speter IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; 43125428Speter 43277217Sphkstruct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 43377217Sphk IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 43477217Sphk 43577217Sphkstruct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 43677217Sphk IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 43777217Sphk 438114163Ssamstruct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 439114163Ssam IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 440114163Ssam 441114232Shartistruct ifmedia_description ifm_subtype_atm_descriptions[] = 442114232Sharti IFM_SUBTYPE_ATM_DESCRIPTIONS; 443114232Sharti 444114232Shartistruct ifmedia_description ifm_subtype_atm_option_descriptions[] = 445114232Sharti IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 446114232Sharti 44725428Speterstruct ifmedia_description ifm_subtype_shared_descriptions[] = 44825428Speter IFM_SUBTYPE_SHARED_DESCRIPTIONS; 44925428Speter 45025428Speterstruct ifmedia_description ifm_shared_option_descriptions[] = 45125428Speter IFM_SHARED_OPTION_DESCRIPTIONS; 45225428Speter 45325428Speterstruct ifmedia_type_to_subtype { 45425428Speter struct ifmedia_description *subtypes; 45525428Speter struct ifmedia_description *options; 456114163Ssam struct ifmedia_description *modes; 45725428Speter}; 45825428Speter 45925428Speter/* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 46025428Speterstruct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 46125428Speter { 46225428Speter &ifm_subtype_ethernet_descriptions[0], 463114163Ssam &ifm_subtype_ethernet_option_descriptions[0], 464114163Ssam NULL, 46525428Speter }, 46625428Speter { 46725428Speter &ifm_subtype_tokenring_descriptions[0], 468114163Ssam &ifm_subtype_tokenring_option_descriptions[0], 469114163Ssam NULL, 47025428Speter }, 47125428Speter { 47225428Speter &ifm_subtype_fddi_descriptions[0], 473114163Ssam &ifm_subtype_fddi_option_descriptions[0], 474114163Ssam NULL, 47525428Speter }, 47677217Sphk { 47777217Sphk &ifm_subtype_ieee80211_descriptions[0], 478114163Ssam &ifm_subtype_ieee80211_option_descriptions[0], 479114163Ssam &ifm_subtype_ieee80211_mode_descriptions[0] 48077217Sphk }, 481114232Sharti { 482114232Sharti &ifm_subtype_atm_descriptions[0], 483114232Sharti &ifm_subtype_atm_option_descriptions[0], 484114232Sharti NULL, 485114232Sharti }, 48625428Speter}; 48725428Speter 48825428Speter/* 48925428Speter * print a media word. 49025428Speter */ 49125428Speterstatic void 49225428Speterifmedia_printword(ifmw) 49325428Speter int ifmw; 49425428Speter{ 49525428Speter struct ifmedia_description *desc; 49625428Speter struct ifmedia_type_to_subtype *ttos; 49725428Speter int seen_option = 0; 49825428Speter 49925428Speter /* Find the top-level interface type. */ 50025428Speter for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 50125428Speter desc->ifmt_string != NULL; desc++, ttos++) 50225428Speter if (IFM_TYPE(ifmw) == desc->ifmt_word) 50325428Speter break; 50425428Speter if (desc->ifmt_string == NULL) { 50525428Speter printf("<unknown type>\n"); 50625428Speter return; 50725428Speter } 50825428Speter printf(desc->ifmt_string); 50925428Speter 510114163Ssam /* Any mode. */ 511114163Ssam for (desc = ttos->modes; desc && desc->ifmt_string != NULL; desc++) 512114163Ssam if (IFM_MODE(ifmw) == desc->ifmt_word) { 513114163Ssam if (desc->ifmt_string != NULL) 514114163Ssam printf(" mode %s", desc->ifmt_string); 515114163Ssam break; 516114163Ssam } 517114163Ssam 51825428Speter /* 51925428Speter * Check for the shared subtype descriptions first, then the 52025428Speter * type-specific ones. 52125428Speter */ 52225428Speter for (desc = ifm_subtype_shared_descriptions; 52325428Speter desc->ifmt_string != NULL; desc++) 52425428Speter if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 52525428Speter goto got_subtype; 52625428Speter 52725428Speter for (desc = ttos->subtypes; desc->ifmt_string != NULL; desc++) 52825428Speter if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 52925428Speter break; 53025428Speter if (desc->ifmt_string == NULL) { 53125428Speter printf(" <unknown subtype>\n"); 53225428Speter return; 53325428Speter } 53425428Speter 53525428Speter got_subtype: 53625428Speter printf(" %s", desc->ifmt_string); 53725428Speter 53825428Speter /* 53925428Speter * Look for shared options. 54025428Speter */ 54125428Speter for (desc = ifm_shared_option_descriptions; 54225428Speter desc->ifmt_string != NULL; desc++) { 54325428Speter if (ifmw & desc->ifmt_word) { 54425428Speter if (seen_option == 0) 54525428Speter printf(" <"); 54625428Speter printf("%s%s", seen_option++ ? "," : "", 54725428Speter desc->ifmt_string); 54825428Speter } 54925428Speter } 55025428Speter 55125428Speter /* 55225428Speter * Look for subtype-specific options. 55325428Speter */ 55425428Speter for (desc = ttos->options; desc->ifmt_string != NULL; desc++) { 55525428Speter if (ifmw & desc->ifmt_word) { 55625428Speter if (seen_option == 0) 55725428Speter printf(" <"); 55825428Speter printf("%s%s", seen_option++ ? "," : "", 55925428Speter desc->ifmt_string); 56025428Speter } 56125428Speter } 56225428Speter printf("%s\n", seen_option ? ">" : ""); 56325428Speter} 56425428Speter#endif /* IFMEDIA_DEBUG */ 565