125428Speter/* $NetBSD: if_media.c,v 1.1 1997/03/17 02:55:15 thorpej Exp $ */ 250477Speter/* $FreeBSD: stable/10/sys/net/if_media.c 313387 2017-02-07 15:12:27Z rstone $ */ 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 71283758Serj#include <net/if_var.h> 7225428Speterint ifmedia_debug = 0; 73153723SsamSYSCTL_INT(_debug, OID_AUTO, ifmedia, CTLFLAG_RW, &ifmedia_debug, 74153723Ssam 0, "if_media debugging msgs"); 7592725Salfredstatic void ifmedia_printword(int); 7625428Speter#endif 7725428Speter 7825428Speter/* 7925428Speter * Initialize if_media struct for a specific interface instance. 8025428Speter */ 8125428Spetervoid 8225428Speterifmedia_init(ifm, dontcare_mask, change_callback, status_callback) 8325428Speter struct ifmedia *ifm; 8425428Speter int dontcare_mask; 8525428Speter ifm_change_cb_t change_callback; 8625428Speter ifm_stat_cb_t status_callback; 8725428Speter{ 8825428Speter 8925428Speter LIST_INIT(&ifm->ifm_list); 9025428Speter ifm->ifm_cur = NULL; 9125428Speter ifm->ifm_media = 0; 9225428Speter ifm->ifm_mask = dontcare_mask; /* IF don't-care bits */ 9325428Speter ifm->ifm_change = change_callback; 9425428Speter ifm->ifm_status = status_callback; 9525428Speter} 9625428Speter 9745720Spetervoid 9845720Speterifmedia_removeall(ifm) 9945720Speter struct ifmedia *ifm; 10045720Speter{ 10145720Speter struct ifmedia_entry *entry; 10245720Speter 10345720Speter for (entry = LIST_FIRST(&ifm->ifm_list); entry; 10445720Speter entry = LIST_FIRST(&ifm->ifm_list)) { 10545720Speter LIST_REMOVE(entry, ifm_list); 10645720Speter free(entry, M_IFADDR); 10745720Speter } 108313387Srstone ifm->ifm_cur = NULL; 10945720Speter} 11045720Speter 11125428Speter/* 11225428Speter * Add a media configuration to the list of supported media 11325428Speter * for a specific interface instance. 11425428Speter */ 11525428Spetervoid 11625428Speterifmedia_add(ifm, mword, data, aux) 11725428Speter struct ifmedia *ifm; 11825428Speter int mword; 11925428Speter int data; 12025428Speter void *aux; 12125428Speter{ 12225428Speter register struct ifmedia_entry *entry; 12325428Speter 12425428Speter#ifdef IFMEDIA_DEBUG 12525428Speter if (ifmedia_debug) { 12625428Speter if (ifm == NULL) { 12725428Speter printf("ifmedia_add: null ifm\n"); 12825428Speter return; 12925428Speter } 13025428Speter printf("Adding entry for "); 13125428Speter ifmedia_printword(mword); 13225428Speter } 13325428Speter#endif 13425428Speter 13525428Speter entry = malloc(sizeof(*entry), M_IFADDR, M_NOWAIT); 13625428Speter if (entry == NULL) 13725428Speter panic("ifmedia_add: can't malloc entry"); 13825428Speter 13925428Speter entry->ifm_media = mword; 14025428Speter entry->ifm_data = data; 14125428Speter entry->ifm_aux = aux; 14225428Speter 14325428Speter LIST_INSERT_HEAD(&ifm->ifm_list, entry, ifm_list); 14425428Speter} 14525428Speter 14625428Speter/* 14725428Speter * Add an array of media configurations to the list of 14825428Speter * supported media for a specific interface instance. 14925428Speter */ 15025428Spetervoid 15125428Speterifmedia_list_add(ifm, lp, count) 15225428Speter struct ifmedia *ifm; 15325428Speter struct ifmedia_entry *lp; 15425428Speter int count; 15525428Speter{ 15625428Speter int i; 15725428Speter 15825428Speter for (i = 0; i < count; i++) 15925428Speter ifmedia_add(ifm, lp[i].ifm_media, lp[i].ifm_data, 16025428Speter lp[i].ifm_aux); 16125428Speter} 16225428Speter 16325428Speter/* 16425428Speter * Set the default active media. 16525428Speter * 16625428Speter * Called by device-specific code which is assumed to have already 16725428Speter * selected the default media in hardware. We do _not_ call the 16825428Speter * media-change callback. 16925428Speter */ 17025428Spetervoid 17125428Speterifmedia_set(ifm, target) 17225428Speter struct ifmedia *ifm; 17325428Speter int target; 17425428Speter 17525428Speter{ 17625428Speter struct ifmedia_entry *match; 17725428Speter 17825428Speter match = ifmedia_match(ifm, target, ifm->ifm_mask); 17925428Speter 18025428Speter if (match == NULL) { 18125428Speter printf("ifmedia_set: no match for 0x%x/0x%x\n", 18225428Speter target, ~ifm->ifm_mask); 18325428Speter panic("ifmedia_set"); 18425428Speter } 18525428Speter ifm->ifm_cur = match; 18625428Speter 18725428Speter#ifdef IFMEDIA_DEBUG 18825428Speter if (ifmedia_debug) { 18925428Speter printf("ifmedia_set: target "); 19025428Speter ifmedia_printword(target); 19125428Speter printf("ifmedia_set: setting to "); 19225428Speter ifmedia_printword(ifm->ifm_cur->ifm_media); 19325428Speter } 19425428Speter#endif 19525428Speter} 19625428Speter 19725428Speter/* 198283758Serj * Given a media word, return one suitable for an application 199283758Serj * using the original encoding. 200283758Serj */ 201283758Serjstatic int 202283758Serjcompat_media(int media) 203283758Serj{ 204283758Serj 205283758Serj if (IFM_TYPE(media) == IFM_ETHER && IFM_SUBTYPE(media) > IFM_OTHER) { 206283758Serj media &= ~(IFM_ETH_XTYPE|IFM_TMASK); 207283758Serj media |= IFM_OTHER; 208283758Serj } 209283758Serj return (media); 210283758Serj} 211283758Serj 212283758Serj/* 21325428Speter * Device-independent media ioctl support function. 21425428Speter */ 21525428Speterint 21625428Speterifmedia_ioctl(ifp, ifr, ifm, cmd) 21725428Speter struct ifnet *ifp; 21825428Speter struct ifreq *ifr; 21925428Speter struct ifmedia *ifm; 22025428Speter u_long cmd; 22125428Speter{ 22225428Speter struct ifmedia_entry *match; 22325428Speter struct ifmediareq *ifmr = (struct ifmediareq *) ifr; 22425428Speter int error = 0, sticky; 22525428Speter 22625428Speter if (ifp == NULL || ifr == NULL || ifm == NULL) 22725428Speter return(EINVAL); 22825428Speter 22925428Speter switch (cmd) { 23025428Speter 23125428Speter /* 23225428Speter * Set the current media. 23325428Speter */ 23425428Speter case SIOCSIFMEDIA: 23525428Speter { 23625428Speter struct ifmedia_entry *oldentry; 23725428Speter int oldmedia; 23825428Speter int newmedia = ifr->ifr_media; 23925428Speter 24025428Speter match = ifmedia_match(ifm, newmedia, ifm->ifm_mask); 24125428Speter if (match == NULL) { 24225428Speter#ifdef IFMEDIA_DEBUG 24325428Speter if (ifmedia_debug) { 24425428Speter printf( 24525428Speter "ifmedia_ioctl: no media found for 0x%x\n", 24625428Speter newmedia); 24725428Speter } 24825428Speter#endif 24925428Speter return (ENXIO); 25025428Speter } 25125428Speter 25225428Speter /* 25325428Speter * If no change, we're done. 25425428Speter * XXX Automedia may invole software intervention. 255218909Sbrucec * Keep going in case the connected media changed. 25625428Speter * Similarly, if best match changed (kernel debugger?). 25725428Speter */ 25825428Speter if ((IFM_SUBTYPE(newmedia) != IFM_AUTO) && 25925428Speter (newmedia == ifm->ifm_media) && 26025428Speter (match == ifm->ifm_cur)) 26125428Speter return 0; 26225428Speter 26325428Speter /* 26425428Speter * We found a match, now make the driver switch to it. 26525428Speter * Make sure to preserve our old media type in case the 26625428Speter * driver can't switch. 26725428Speter */ 26825428Speter#ifdef IFMEDIA_DEBUG 26925428Speter if (ifmedia_debug) { 270121816Sbrooks printf("ifmedia_ioctl: switching %s to ", 271121816Sbrooks ifp->if_xname); 27225428Speter ifmedia_printword(match->ifm_media); 27325428Speter } 27425428Speter#endif 27525428Speter oldentry = ifm->ifm_cur; 27625428Speter oldmedia = ifm->ifm_media; 27725428Speter ifm->ifm_cur = match; 27825428Speter ifm->ifm_media = newmedia; 27925428Speter error = (*ifm->ifm_change)(ifp); 28025428Speter if (error) { 28125428Speter ifm->ifm_cur = oldentry; 28225428Speter ifm->ifm_media = oldmedia; 28325428Speter } 28425428Speter break; 28525428Speter } 28625428Speter 28725428Speter /* 28825428Speter * Get list of available media and current media on interface. 28925428Speter */ 29025428Speter case SIOCGIFMEDIA: 291283758Serj case SIOCGIFXMEDIA: 29225428Speter { 29325428Speter struct ifmedia_entry *ep; 29425428Speter int *kptr, count; 29573078Salfred int usermax; /* user requested max */ 29625428Speter 29725428Speter kptr = NULL; /* XXX gcc */ 29825428Speter 299283758Serj if (cmd == SIOCGIFMEDIA) { 300283758Serj ifmr->ifm_active = ifmr->ifm_current = ifm->ifm_cur ? 301283758Serj compat_media(ifm->ifm_cur->ifm_media) : IFM_NONE; 302283758Serj } else { 303283758Serj ifmr->ifm_active = ifmr->ifm_current = ifm->ifm_cur ? 304283758Serj ifm->ifm_cur->ifm_media : IFM_NONE; 305283758Serj } 30625428Speter ifmr->ifm_mask = ifm->ifm_mask; 30725428Speter ifmr->ifm_status = 0; 30825428Speter (*ifm->ifm_status)(ifp, ifmr); 30925428Speter 31025428Speter count = 0; 31173078Salfred usermax = 0; 31225428Speter 31373078Salfred /* 31473078Salfred * If there are more interfaces on the list, count 31573078Salfred * them. This allows the caller to set ifmr->ifm_count 31673078Salfred * to 0 on the first call to know how much space to 31773079Salfred * allocate. 31873078Salfred */ 31973078Salfred LIST_FOREACH(ep, &ifm->ifm_list, ifm_list) 32073078Salfred usermax++; 32173078Salfred 32273078Salfred /* 32373078Salfred * Don't allow the user to ask for too many 32473085Salfred * or a negative number. 32573078Salfred */ 32673078Salfred if (ifmr->ifm_count > usermax) 32773078Salfred ifmr->ifm_count = usermax; 32873085Salfred else if (ifmr->ifm_count < 0) 32973085Salfred return (EINVAL); 33073078Salfred 33125428Speter if (ifmr->ifm_count != 0) { 33225428Speter kptr = (int *)malloc(ifmr->ifm_count * sizeof(int), 33398849Sken M_TEMP, M_NOWAIT); 33425428Speter 33598849Sken if (kptr == NULL) 33698849Sken return (ENOMEM); 33725428Speter /* 33825428Speter * Get the media words from the interface's list. 33925428Speter */ 34073078Salfred ep = LIST_FIRST(&ifm->ifm_list); 34125428Speter for (; ep != NULL && count < ifmr->ifm_count; 34271959Sphk ep = LIST_NEXT(ep, ifm_list), count++) 34325428Speter kptr[count] = ep->ifm_media; 34425428Speter 34525428Speter if (ep != NULL) 34625428Speter error = E2BIG; /* oops! */ 34773078Salfred } else { 34873078Salfred count = usermax; 34925428Speter } 35025428Speter 35125428Speter /* 35225428Speter * We do the copyout on E2BIG, because that's 35325428Speter * just our way of telling userland that there 35425428Speter * are more. This is the behavior I've observed 35525428Speter * under BSD/OS 3.0 35625428Speter */ 35725428Speter sticky = error; 35825428Speter if ((error == 0 || error == E2BIG) && ifmr->ifm_count != 0) { 35925428Speter error = copyout((caddr_t)kptr, 36025428Speter (caddr_t)ifmr->ifm_ulist, 36125428Speter ifmr->ifm_count * sizeof(int)); 36225428Speter } 36325428Speter 36425428Speter if (error == 0) 36525428Speter error = sticky; 36625428Speter 36725428Speter if (ifmr->ifm_count != 0) 36825428Speter free(kptr, M_TEMP); 36925428Speter 37025428Speter ifmr->ifm_count = count; 37125428Speter break; 37225428Speter } 37325428Speter 37425428Speter default: 37525428Speter return (EINVAL); 37625428Speter } 37725428Speter 37825428Speter return (error); 37925428Speter} 38025428Speter 38125428Speter/* 38225428Speter * Find media entry matching a given ifm word. 38325428Speter * 38425428Speter */ 38533181Seivindstatic struct ifmedia_entry * 38625428Speterifmedia_match(ifm, target, mask) 38725428Speter struct ifmedia *ifm; 38825428Speter int target; 38925428Speter int mask; 39025428Speter{ 39125428Speter struct ifmedia_entry *match, *next; 39225428Speter 39325428Speter match = NULL; 39425428Speter mask = ~mask; 39525428Speter 39672012Sphk LIST_FOREACH(next, &ifm->ifm_list, ifm_list) { 39725428Speter if ((next->ifm_media & mask) == (target & mask)) { 39825428Speter#if defined(IFMEDIA_DEBUG) || defined(DIAGNOSTIC) 39925428Speter if (match) { 40025428Speter printf("ifmedia_match: multiple match for " 40125428Speter "0x%x/0x%x\n", target, mask); 40225428Speter } 40325428Speter#endif 40425428Speter match = next; 40525428Speter } 40625428Speter } 40725428Speter 40825428Speter return match; 40925428Speter} 41025428Speter 411155669Sglebius/* 412155669Sglebius * Compute the interface `baudrate' from the media, for the interface 413155669Sglebius * metrics (used by routing daemons). 414155669Sglebius */ 415155669Sglebiusstatic const struct ifmedia_baudrate ifmedia_baudrate_descriptions[] = 416155669Sglebius IFM_BAUDRATE_DESCRIPTIONS; 417155669Sglebius 418155669Sglebiusuint64_t 419155669Sglebiusifmedia_baudrate(int mword) 420155669Sglebius{ 421155669Sglebius int i; 422155669Sglebius 423155669Sglebius for (i = 0; ifmedia_baudrate_descriptions[i].ifmb_word != 0; i++) { 424283758Serj if (IFM_TYPE_MATCH(mword, ifmedia_baudrate_descriptions[i].ifmb_word)) 425155669Sglebius return (ifmedia_baudrate_descriptions[i].ifmb_baudrate); 426155669Sglebius } 427155669Sglebius 428155669Sglebius /* Not known. */ 429155669Sglebius return (0); 430155669Sglebius} 431155669Sglebius 43225428Speter#ifdef IFMEDIA_DEBUG 43325428Speterstruct ifmedia_description ifm_type_descriptions[] = 43425428Speter IFM_TYPE_DESCRIPTIONS; 43525428Speter 43625428Speterstruct ifmedia_description ifm_subtype_ethernet_descriptions[] = 43725428Speter IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; 43825428Speter 43925428Speterstruct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = 44025428Speter IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; 44125428Speter 44225428Speterstruct ifmedia_description ifm_subtype_tokenring_descriptions[] = 44325428Speter IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; 44425428Speter 44525428Speterstruct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = 44625428Speter IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; 44725428Speter 44825428Speterstruct ifmedia_description ifm_subtype_fddi_descriptions[] = 44925428Speter IFM_SUBTYPE_FDDI_DESCRIPTIONS; 45025428Speter 45125428Speterstruct ifmedia_description ifm_subtype_fddi_option_descriptions[] = 45225428Speter IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; 45325428Speter 45477217Sphkstruct ifmedia_description ifm_subtype_ieee80211_descriptions[] = 45577217Sphk IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; 45677217Sphk 45777217Sphkstruct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = 45877217Sphk IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; 45977217Sphk 460114163Ssamstruct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] = 461114163Ssam IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS; 462114163Ssam 463114232Shartistruct ifmedia_description ifm_subtype_atm_descriptions[] = 464114232Sharti IFM_SUBTYPE_ATM_DESCRIPTIONS; 465114232Sharti 466114232Shartistruct ifmedia_description ifm_subtype_atm_option_descriptions[] = 467114232Sharti IFM_SUBTYPE_ATM_OPTION_DESCRIPTIONS; 468114232Sharti 46925428Speterstruct ifmedia_description ifm_subtype_shared_descriptions[] = 47025428Speter IFM_SUBTYPE_SHARED_DESCRIPTIONS; 47125428Speter 47225428Speterstruct ifmedia_description ifm_shared_option_descriptions[] = 47325428Speter IFM_SHARED_OPTION_DESCRIPTIONS; 47425428Speter 47525428Speterstruct ifmedia_type_to_subtype { 47625428Speter struct ifmedia_description *subtypes; 47725428Speter struct ifmedia_description *options; 478114163Ssam struct ifmedia_description *modes; 47925428Speter}; 48025428Speter 48125428Speter/* must be in the same order as IFM_TYPE_DESCRIPTIONS */ 48225428Speterstruct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { 48325428Speter { 48425428Speter &ifm_subtype_ethernet_descriptions[0], 485114163Ssam &ifm_subtype_ethernet_option_descriptions[0], 486114163Ssam NULL, 48725428Speter }, 48825428Speter { 48925428Speter &ifm_subtype_tokenring_descriptions[0], 490114163Ssam &ifm_subtype_tokenring_option_descriptions[0], 491114163Ssam NULL, 49225428Speter }, 49325428Speter { 49425428Speter &ifm_subtype_fddi_descriptions[0], 495114163Ssam &ifm_subtype_fddi_option_descriptions[0], 496114163Ssam NULL, 49725428Speter }, 49877217Sphk { 49977217Sphk &ifm_subtype_ieee80211_descriptions[0], 500114163Ssam &ifm_subtype_ieee80211_option_descriptions[0], 501114163Ssam &ifm_subtype_ieee80211_mode_descriptions[0] 50277217Sphk }, 503114232Sharti { 504114232Sharti &ifm_subtype_atm_descriptions[0], 505114232Sharti &ifm_subtype_atm_option_descriptions[0], 506114232Sharti NULL, 507114232Sharti }, 50825428Speter}; 50925428Speter 51025428Speter/* 51125428Speter * print a media word. 51225428Speter */ 51325428Speterstatic void 51425428Speterifmedia_printword(ifmw) 51525428Speter int ifmw; 51625428Speter{ 51725428Speter struct ifmedia_description *desc; 51825428Speter struct ifmedia_type_to_subtype *ttos; 51925428Speter int seen_option = 0; 52025428Speter 52125428Speter /* Find the top-level interface type. */ 52225428Speter for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; 52325428Speter desc->ifmt_string != NULL; desc++, ttos++) 52425428Speter if (IFM_TYPE(ifmw) == desc->ifmt_word) 52525428Speter break; 52625428Speter if (desc->ifmt_string == NULL) { 52725428Speter printf("<unknown type>\n"); 52825428Speter return; 52925428Speter } 530283758Serj printf("%s", desc->ifmt_string); 53125428Speter 532114163Ssam /* Any mode. */ 533114163Ssam for (desc = ttos->modes; desc && desc->ifmt_string != NULL; desc++) 534114163Ssam if (IFM_MODE(ifmw) == desc->ifmt_word) { 535114163Ssam if (desc->ifmt_string != NULL) 536114163Ssam printf(" mode %s", desc->ifmt_string); 537114163Ssam break; 538114163Ssam } 539114163Ssam 54025428Speter /* 54125428Speter * Check for the shared subtype descriptions first, then the 54225428Speter * type-specific ones. 54325428Speter */ 54425428Speter for (desc = ifm_subtype_shared_descriptions; 54525428Speter desc->ifmt_string != NULL; desc++) 54625428Speter if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 54725428Speter goto got_subtype; 54825428Speter 54925428Speter for (desc = ttos->subtypes; desc->ifmt_string != NULL; desc++) 55025428Speter if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) 55125428Speter break; 55225428Speter if (desc->ifmt_string == NULL) { 55325428Speter printf(" <unknown subtype>\n"); 55425428Speter return; 55525428Speter } 55625428Speter 55725428Speter got_subtype: 55825428Speter printf(" %s", desc->ifmt_string); 55925428Speter 56025428Speter /* 56125428Speter * Look for shared options. 56225428Speter */ 56325428Speter for (desc = ifm_shared_option_descriptions; 56425428Speter desc->ifmt_string != NULL; desc++) { 56525428Speter if (ifmw & desc->ifmt_word) { 56625428Speter if (seen_option == 0) 56725428Speter printf(" <"); 56825428Speter printf("%s%s", seen_option++ ? "," : "", 56925428Speter desc->ifmt_string); 57025428Speter } 57125428Speter } 57225428Speter 57325428Speter /* 57425428Speter * Look for subtype-specific options. 57525428Speter */ 57625428Speter for (desc = ttos->options; desc->ifmt_string != NULL; desc++) { 57725428Speter if (ifmw & desc->ifmt_word) { 57825428Speter if (seen_option == 0) 57925428Speter printf(" <"); 58025428Speter printf("%s%s", seen_option++ ? "," : "", 58125428Speter desc->ifmt_string); 58225428Speter } 58325428Speter } 58425428Speter printf("%s\n", seen_option ? ">" : ""); 58525428Speter} 58625428Speter#endif /* IFMEDIA_DEBUG */ 587