/* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */ /* $FreeBSD: src/sbin/ifconfig/ifmedia.c,v 1.6.2.3 2001/11/14 04:35:07 yar Exp $ */ /* $DragonFly: src/sbin/ifconfig/ifmedia.c,v 1.5 2003/11/03 19:51:05 eirikn 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(const char *, int, int); static int get_media_subtype(int, const char *); static int get_media_options(int, const char *); static int lookup_media_word(struct ifmedia_description *, const char *); static void print_media_word(int, int); static void print_media_word_ifconfig(int); static struct ifmedia_description *get_toptype_desc(int); static struct ifmedia_type_to_subtype *get_toptype_ttos(int); static struct ifmedia_description *get_subtype_desc(int, struct ifmedia_type_to_subtype *ttos); void media_status(int s, struct rt_addrinfo *info __unused) { 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; } 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"); printf("\tmedia: "); print_media_word(ifmr.ifm_current, 1); if (ifmr.ifm_active != ifmr.ifm_current) { putchar(' '); putchar('('); print_media_word(ifmr.ifm_active, 0); putchar(')'); } putchar('\n'); if (ifmr.ifm_status & IFM_AVALID) { printf("\tstatus: "); 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; case IFM_IEEE80211: /* XXX: Different value for adhoc? */ if (ifmr.ifm_status & IFM_ACTIVE) printf("associated"); else printf("no carrier"); break; } putchar('\n'); } if (ifmr.ifm_count > 0 && supmedia) { printf("\tsupported media:\n"); for (i = 0; i < ifmr.ifm_count; i++) { printf("\t\t"); print_media_word_ifconfig(media_list[i]); putchar('\n'); } } free(media_list); } void setmedia(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(const char *val, int d, int s, const struct afswtch *afp) { domediaopt(val, 0, s); } void unsetmediaopt(const char *val, int d, int s, const struct afswtch *afp) { domediaopt(val, 1, s); } static void domediaopt(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_aliases[] = IFM_SUBTYPE_IEEE80211_ALIASES; 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], 0 }, { 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], 0 }, { 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], 0 }, { NULL, 0 }, }, }, { { { &ifm_subtype_shared_descriptions[0], 0 }, { &ifm_subtype_shared_aliases[0], 1 }, { &ifm_subtype_ieee80211_descriptions[0], 0 }, { &ifm_subtype_ieee80211_aliases[0], 1 }, { NULL, 0 }, }, { { &ifm_shared_option_descriptions[0], 0 }, { &ifm_subtype_ieee80211_option_descriptions[0], 0 }, { NULL, 0 }, }, }, }; static int get_media_subtype(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(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(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 struct ifmedia_description *get_toptype_desc(int ifmw) { struct ifmedia_description *desc; for (desc = ifm_type_descriptions; desc->ifmt_string != NULL; desc++) if (IFM_TYPE(ifmw) == desc->ifmt_word) break; return desc; } static struct ifmedia_type_to_subtype *get_toptype_ttos(int ifmw) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; for (desc = ifm_type_descriptions, ttos = ifmedia_types_to_subtypes; desc->ifmt_string != NULL; desc++, ttos++) if (IFM_TYPE(ifmw) == desc->ifmt_word) break; return ttos; } static struct ifmedia_description *get_subtype_desc(int ifmw, struct ifmedia_type_to_subtype *ttos) { int i; struct ifmedia_description *desc; 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) return desc; } } return NULL; } static void print_media_word(int ifmw, int print_toptype) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int seen_option = 0, i; /* Find the top-level interface type. */ desc = get_toptype_desc(ifmw); ttos = get_toptype_ttos(ifmw); if (desc->ifmt_string == NULL) { printf(""); return; } else if (print_toptype) { printf("%s", desc->ifmt_string); } /* * Don't print the top-level type; it's not like we can * change it, or anything. */ /* Find subtype. */ desc = get_subtype_desc(ifmw, ttos); if (desc != NULL) goto got_subtype; /* Falling to here means unknown subtype. */ printf(""); return; got_subtype: if (print_toptype) putchar(' '); 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 ? ">" : ""); } static void print_media_word_ifconfig(int ifmw) { struct ifmedia_description *desc; struct ifmedia_type_to_subtype *ttos; int i; /* Find the top-level interface type. */ desc = get_toptype_desc(ifmw); ttos = get_toptype_ttos(ifmw); 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. */ desc = get_subtype_desc(ifmw, ttos); if (desc != NULL) goto got_subtype; /* Falling to here means unknown subtype. */ printf(""); return; got_subtype: printf("media %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) { printf(" mediaopt %s", desc->ifmt_string); } } } } /********************************************************************** * ...until here. **********************************************************************/