/* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */ /* $FreeBSD: src/sbin/ifconfig/ifmedia.c,v 1.6 1999/08/28 00:13:08 peter Exp $ */ /* * Copyright (c) 1997 Jason R. Thorpe. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project * by Jason R. Thorpe. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1983, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "ifconfig.h" static void domediaopt __P((const char *, int, int)); static int get_media_subtype __P((int, const char *)); static int get_media_options __P((int, const char *)); static int lookup_media_word __P((struct ifmedia_description *, const char *)); static void print_media_word __P((int)); extern int supmedia; void media_status(s, info) int s; struct rt_addrinfo *info; { struct ifmediareq ifmr; int *media_list, i; (void) memset(&ifmr, 0, sizeof(ifmr)); (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { /* * Interface doesn't support SIOC{G,S}IFMEDIA. */ return; } if (ifmr.ifm_count == 0) { //warnx("%s: no media types?", name); return; } printf("\tmedia: "); print_media_word(ifmr.ifm_current); if (ifmr.ifm_active != ifmr.ifm_current) { putchar(' '); putchar('('); print_media_word(ifmr.ifm_active); putchar(')'); } if (ifmr.ifm_status & IFM_AVALID) { printf(" status: "); #if 0 switch (IFM_TYPE(ifmr.ifm_active)) { case IFM_ETHER: if (ifmr.ifm_status & IFM_ACTIVE) printf("active"); else printf("no carrier"); break; case IFM_FDDI: case IFM_TOKEN: if (ifmr.ifm_status & IFM_ACTIVE) printf("inserted"); else printf("no ring"); break; } #endif 0 if (ifmr.ifm_status & IFM_ACTIVE) printf("active"); else printf("inactive"); } putchar('\n'); #if 0 if (supmedia == 0) { return; } #endif 0 media_list = (int *)malloc(ifmr.ifm_count * sizeof(int)); if (media_list == NULL) err(1, "malloc"); ifmr.ifm_ulist = media_list; if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) err(1, "SIOCGIFMEDIA"); if (ifmr.ifm_count > 0) { printf("\tsupported media:"); for (i = 0; i < ifmr.ifm_count; i++) { putchar(' '); print_media_word(media_list[i]); } putchar('\n'); } free(media_list); } void setmedia(val, d, s, afp) const char *val; int d; int s; const struct afswtch *afp; { struct ifmediareq ifmr; int first_type, subtype; (void) memset(&ifmr, 0, sizeof(ifmr)); (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); ifmr.ifm_count = 1; ifmr.ifm_ulist = &first_type; if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) { /* * If we get E2BIG, the kernel is telling us * that there are more, so we can ignore it. */ if (errno != E2BIG) err(1, "SIOCGIFMEDIA"); } if (ifmr.ifm_count == 0) errx(1, "%s: no media types?", name); /* * We are primarily concerned with the top-level type. * However, "current" may be only IFM_NONE, so we just look * for the top-level type in the first "supported type" * entry. * * (I'm assuming that all supported media types for a given * interface will be the same top-level type..) */ subtype = get_media_subtype(IFM_TYPE(first_type), val); strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_media = (ifmr.ifm_current & ~(IFM_NMASK|IFM_TMASK)) | IFM_TYPE(first_type) | subtype; if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) err(1, "SIOCSIFMEDIA"); } void setmediaopt(val, d, s, afp) const char *val; int d; int s; const struct afswtch *afp; { domediaopt(val, 0, s); } void unsetmediaopt(val, d, s, afp) const char *val; int d; int s; const struct afswtch *afp; { domediaopt(val, 1, s); } static void domediaopt(val, clear, s) const char *val; int clear; int s; { struct ifmediareq ifmr; int *mwords, options; (void) memset(&ifmr, 0, sizeof(ifmr)); (void) strncpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name)); /* * We must go through the motions of reading all * supported media because we need to know both * the current media type and the top-level type. */ if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) err(1, "SIOCGIFMEDIA"); if (ifmr.ifm_count == 0) errx(1, "%s: no media types?", name); mwords = (int *)malloc(ifmr.ifm_count * sizeof(int)); if (mwords == NULL) err(1, "malloc"); ifmr.ifm_ulist = mwords; if (ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) err(1, "SIOCGIFMEDIA"); options = get_media_options(IFM_TYPE(mwords[0]), val); free(mwords); strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name)); ifr.ifr_media = ifmr.ifm_current; if (clear) ifr.ifr_media &= ~options; else ifr.ifr_media |= options; if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0) err(1, "SIOCSIFMEDIA"); } /********************************************************************** * A good chunk of this is duplicated from sys/net/ifmedia.c **********************************************************************/ static struct ifmedia_description ifm_type_descriptions[] = IFM_TYPE_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ethernet_descriptions[] = IFM_SUBTYPE_ETHERNET_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ethernet_aliases[] = IFM_SUBTYPE_ETHERNET_ALIASES; static struct ifmedia_description ifm_subtype_ethernet_option_descriptions[] = IFM_SUBTYPE_ETHERNET_OPTION_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_tokenring_descriptions[] = IFM_SUBTYPE_TOKENRING_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_tokenring_aliases[] = IFM_SUBTYPE_TOKENRING_ALIASES; static struct ifmedia_description ifm_subtype_tokenring_option_descriptions[] = IFM_SUBTYPE_TOKENRING_OPTION_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_fddi_descriptions[] = IFM_SUBTYPE_FDDI_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_fddi_aliases[] = IFM_SUBTYPE_FDDI_ALIASES; static struct ifmedia_description ifm_subtype_fddi_option_descriptions[] = IFM_SUBTYPE_FDDI_OPTION_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ieee80211_descriptions[] = IFM_SUBTYPE_IEEE80211_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_ieee80211_option_descriptions[] = IFM_SUBTYPE_IEEE80211_OPTION_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_shared_descriptions[] = IFM_SUBTYPE_SHARED_DESCRIPTIONS; static struct ifmedia_description ifm_subtype_shared_aliases[] = IFM_SUBTYPE_SHARED_ALIASES; static struct ifmedia_description ifm_shared_option_descriptions[] = IFM_SHARED_OPTION_DESCRIPTIONS; struct ifmedia_type_to_subtype { struct { struct ifmedia_description *desc; int alias; } subtypes[5]; struct { struct ifmedia_description *desc; int alias; } options[3]; }; /* must be in the same order as IFM_TYPE_DESCRIPTIONS */ static struct ifmedia_type_to_subtype ifmedia_types_to_subtypes[] = { { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_ethernet_descriptions[0], 0 }, { &ifm_subtype_ethernet_aliases[0], 1 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_subtype_ethernet_option_descriptions[0], 1 }, { NULL, 0 }, }, }, { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_tokenring_descriptions[0], 0 }, { &ifm_subtype_tokenring_aliases[0], 1 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_subtype_tokenring_option_descriptions[0], 1 }, { NULL, 0 }, }, }, { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_fddi_descriptions[0], 0 }, { &ifm_subtype_fddi_aliases[0], 1 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_subtype_fddi_option_descriptions[0], 1 }, { NULL, 0 }, }, }, { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_ieee80211_descriptions[0], 0 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_subtype_ieee80211_option_descriptions[0], 1 }, { NULL, 0 }, }, }, }; static int get_media_subtype(type, val) int type; const char *val; { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int rval, i; /* Find the top-level interface type. */ for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (type == desc->ifmt_word) break; if (desc->ifmt_string == NULL) errx(1, "unknown media type 0x%x", type); for (i = 0; ttos->subtypes[i].desc != NULL; i++) { rval = lookup_media_word(ttos->subtypes[i].desc, val); if (rval != -1) return (rval); } errx(1, "unknown media subtype: %s", val); /* NOTREACHED */ } static int get_media_options(type, val) int type; const char *val; { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; char *optlist, *optptr; int option = 0, i, rval = 0; /* We muck with the string, so copy it. */ optlist = strdup(val); if (optlist == NULL) err(1, "strdup"); /* Find the top-level interface type. */ for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (type == desc->ifmt_word) break; if (desc->ifmt_string == NULL) errx(1, "unknown media type 0x%x", type); /* * Look up the options in the user-provided comma-separated * list. */ optptr = optlist; for (; (optptr = strtok(optptr, ",")) != NULL; optptr = NULL) { for (i = 0; ttos->options[i].desc != NULL; i++) { option = lookup_media_word(ttos->options[i].desc, optptr); if (option != -1) break; } if (option == 0) errx(1, "unknown option: %s", optptr); rval |= option; } free(optlist); return (rval); } static int lookup_media_word(desc, val) struct ifmedia_description *desc; const char *val; { for (; desc->ifmt_string != NULL; desc++) if (strcasecmp(desc->ifmt_string, val) == 0) return (desc->ifmt_word); return (-1); } static void print_media_word(ifmw) int ifmw; { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int seen_option = 0, i; /* Find the top-level interface type. */ for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (IFM_TYPE(ifmw) == desc->ifmt_word) break; if (desc->ifmt_string == NULL) { printf(""); return; } /* * Don't print the top-level type; it's not like we can * change it, or anything. */ /* Find subtype. */ for (i = 0; ttos->subtypes[i].desc != NULL; i++) { if (ttos->subtypes[i].alias) continue; for (desc = ttos->subtypes[i].desc; desc->ifmt_string != NULL; desc++) { if (IFM_SUBTYPE(ifmw) == desc->ifmt_word) goto got_subtype; } } /* Falling to here means unknown subtype. */ printf(""); return; got_subtype: printf("%s", desc->ifmt_string); /* Find options. */ for (i = 0; ttos->options[i].desc != NULL; i++) { if (ttos->options[i].alias) continue; for (desc = ttos->options[i].desc; desc->ifmt_string != NULL; desc++) { if (ifmw & desc->ifmt_word) { if (seen_option == 0) printf(" <"); printf("%s%s", seen_option++ ? "," : "", desc->ifmt_string); } } } printf("%s", seen_option ? ">" : ""); } /********************************************************************** * ...until here. **********************************************************************/