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Diffstat (limited to 'sbin/etherswitchcfg/ifmedia.c')
-rw-r--r--sbin/etherswitchcfg/ifmedia.c812
1 files changed, 812 insertions, 0 deletions
diff --git a/sbin/etherswitchcfg/ifmedia.c b/sbin/etherswitchcfg/ifmedia.c
new file mode 100644
index 000000000000..258c3d5b9ed3
--- /dev/null
+++ b/sbin/etherswitchcfg/ifmedia.c
@@ -0,0 +1,812 @@
+/* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */
+/* $FreeBSD$ */
+
+/*
+ * 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.
+ * 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.
+ */
+/*
+ * based on sbin/ifconfig/ifmedia.c r221954
+ */
+
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/sysctl.h>
+#include <sys/time.h>
+
+#include <net/if.h>
+#include <net/if_dl.h>
+#include <net/if_types.h>
+#include <net/if_media.h>
+#include <net/route.h>
+
+#include <ctype.h>
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+void domediaopt(const char *, int, int);
+int get_media_subtype(int, const char *);
+int get_media_mode(int, const char *);
+int get_media_options(int, const char *);
+int lookup_media_word(struct ifmedia_description *, const char *);
+void print_media_word(int, int);
+void print_media_word_ifconfig(int);
+
+#if 0
+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);
+
+#define IFM_OPMODE(x) \
+ ((x) & (IFM_IEEE80211_ADHOC | IFM_IEEE80211_HOSTAP | \
+ IFM_IEEE80211_IBSS | IFM_IEEE80211_WDS | IFM_IEEE80211_MONITOR | \
+ IFM_IEEE80211_MBSS))
+#define IFM_IEEE80211_STA 0
+
+static void
+media_status(int s)
+{
+ 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:
+ case IFM_ATM:
+ 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:
+ if (ifmr.ifm_status & IFM_ACTIVE) {
+ /* NB: only sta mode associates */
+ if (IFM_OPMODE(ifmr.ifm_active) == IFM_IEEE80211_STA)
+ printf("associated");
+ else
+ printf("running");
+ } 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);
+}
+
+struct ifmediareq *
+ifmedia_getstate(int s)
+{
+ static struct ifmediareq *ifmr = NULL;
+ int *mwords;
+
+ if (ifmr == NULL) {
+ ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq));
+ if (ifmr == NULL)
+ err(1, "malloc");
+
+ (void) memset(ifmr, 0, sizeof(struct ifmediareq));
+ (void) strncpy(ifmr->ifm_name, name,
+ sizeof(ifmr->ifm_name));
+
+ ifmr->ifm_count = 0;
+ ifmr->ifm_ulist = NULL;
+
+ /*
+ * 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");
+ }
+
+ return ifmr;
+}
+
+static void
+setifmediacallback(int s, void *arg)
+{
+ struct ifmediareq *ifmr = (struct ifmediareq *)arg;
+ static int did_it = 0;
+
+ if (!did_it) {
+ ifr.ifr_media = ifmr->ifm_current;
+ if (ioctl(s, SIOCSIFMEDIA, (caddr_t)&ifr) < 0)
+ err(1, "SIOCSIFMEDIA (media)");
+ free(ifmr->ifm_ulist);
+ free(ifmr);
+ did_it = 1;
+ }
+}
+
+static void
+setmedia(const char *val, int d, int s, const struct afswtch *afp)
+{
+ struct ifmediareq *ifmr;
+ int subtype;
+
+ ifmr = ifmedia_getstate(s);
+
+ /*
+ * 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(ifmr->ifm_ulist[0]), val);
+
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ ifr.ifr_media = (ifmr->ifm_current & IFM_IMASK) |
+ IFM_TYPE(ifmr->ifm_ulist[0]) | subtype;
+
+ ifmr->ifm_current = ifr.ifr_media;
+ callback_register(setifmediacallback, (void *)ifmr);
+}
+
+static void
+setmediaopt(const char *val, int d, int s, const struct afswtch *afp)
+{
+
+ domediaopt(val, 0, s);
+}
+
+static 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 options;
+
+ ifmr = ifmedia_getstate(s);
+
+ options = get_media_options(IFM_TYPE(ifmr->ifm_ulist[0]), val);
+
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ ifr.ifr_media = ifmr->ifm_current;
+ if (clear)
+ ifr.ifr_media &= ~options;
+ else {
+ if (options & IFM_HDX) {
+ ifr.ifr_media &= ~IFM_FDX;
+ options &= ~IFM_HDX;
+ }
+ ifr.ifr_media |= options;
+ }
+ ifmr->ifm_current = ifr.ifr_media;
+ callback_register(setifmediacallback, (void *)ifmr);
+}
+
+static void
+setmediainst(const char *val, int d, int s, const struct afswtch *afp)
+{
+ struct ifmediareq *ifmr;
+ int inst;
+
+ ifmr = ifmedia_getstate(s);
+
+ inst = atoi(val);
+ if (inst < 0 || inst > (int)IFM_INST_MAX)
+ errx(1, "invalid media instance: %s", val);
+
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ ifr.ifr_media = (ifmr->ifm_current & ~IFM_IMASK) | inst << IFM_ISHIFT;
+
+ ifmr->ifm_current = ifr.ifr_media;
+ callback_register(setifmediacallback, (void *)ifmr);
+}
+
+static void
+setmediamode(const char *val, int d, int s, const struct afswtch *afp)
+{
+ struct ifmediareq *ifmr;
+ int mode;
+
+ ifmr = ifmedia_getstate(s);
+
+ mode = get_media_mode(IFM_TYPE(ifmr->ifm_ulist[0]), val);
+
+ strncpy(ifr.ifr_name, name, sizeof(ifr.ifr_name));
+ ifr.ifr_media = (ifmr->ifm_current & ~IFM_MMASK) | mode;
+
+ ifmr->ifm_current = ifr.ifr_media;
+ callback_register(setifmediacallback, (void *)ifmr);
+}
+#endif
+
+/**********************************************************************
+ * 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;
+
+struct ifmedia_description ifm_subtype_ieee80211_mode_descriptions[] =
+ IFM_SUBTYPE_IEEE80211_MODE_DESCRIPTIONS;
+
+struct ifmedia_description ifm_subtype_ieee80211_mode_aliases[] =
+ IFM_SUBTYPE_IEEE80211_MODE_ALIASES;
+
+static struct ifmedia_description ifm_subtype_atm_descriptions[] =
+ IFM_SUBTYPE_ATM_DESCRIPTIONS;
+
+static struct ifmedia_description ifm_subtype_atm_aliases[] =
+ IFM_SUBTYPE_ATM_ALIASES;
+
+static struct ifmedia_description ifm_subtype_atm_option_descriptions[] =
+ IFM_SUBTYPE_ATM_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;
+
+static struct ifmedia_description ifm_shared_option_aliases[] =
+ IFM_SHARED_OPTION_ALIASES;
+
+struct ifmedia_type_to_subtype {
+ struct {
+ struct ifmedia_description *desc;
+ int alias;
+ } subtypes[5];
+ struct {
+ struct ifmedia_description *desc;
+ int alias;
+ } options[4];
+ struct {
+ struct ifmedia_description *desc;
+ int alias;
+ } modes[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_shared_option_aliases[0], 1 },
+ { &ifm_subtype_ethernet_option_descriptions[0], 0 },
+ { NULL, 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_shared_option_aliases[0], 1 },
+ { &ifm_subtype_tokenring_option_descriptions[0], 0 },
+ { NULL, 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_shared_option_aliases[0], 1 },
+ { &ifm_subtype_fddi_option_descriptions[0], 0 },
+ { NULL, 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_shared_option_aliases[0], 1 },
+ { &ifm_subtype_ieee80211_option_descriptions[0], 0 },
+ { NULL, 0 },
+ },
+ {
+ { &ifm_subtype_ieee80211_mode_descriptions[0], 0 },
+ { &ifm_subtype_ieee80211_mode_aliases[0], 0 },
+ { NULL, 0 },
+ },
+ },
+ {
+ {
+ { &ifm_subtype_shared_descriptions[0], 0 },
+ { &ifm_subtype_shared_aliases[0], 1 },
+ { &ifm_subtype_atm_descriptions[0], 0 },
+ { &ifm_subtype_atm_aliases[0], 1 },
+ { NULL, 0 },
+ },
+ {
+ { &ifm_shared_option_descriptions[0], 0 },
+ { &ifm_shared_option_aliases[0], 1 },
+ { &ifm_subtype_atm_option_descriptions[0], 0 },
+ { NULL, 0 },
+ },
+ {
+ { NULL, 0 },
+ },
+ },
+};
+
+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*/
+}
+
+int
+get_media_mode(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 mode 0x%x", type);
+
+ for (i = 0; ttos->modes[i].desc != NULL; i++) {
+ rval = lookup_media_word(ttos->modes[i].desc, val);
+ if (rval != -1)
+ return (rval);
+ }
+ return -1;
+}
+
+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);
+}
+
+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 struct ifmedia_description *get_mode_desc(int ifmw,
+ struct ifmedia_type_to_subtype *ttos)
+{
+ int i;
+ struct ifmedia_description *desc;
+
+ for (i = 0; ttos->modes[i].desc != NULL; i++) {
+ if (ttos->modes[i].alias)
+ continue;
+ for (desc = ttos->modes[i].desc;
+ desc->ifmt_string != NULL; desc++) {
+ if (IFM_MODE(ifmw) == desc->ifmt_word)
+ return desc;
+ }
+ }
+
+ return NULL;
+}
+
+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("<unknown type>");
+ 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) {
+ printf("<unknown subtype>");
+ return;
+ }
+
+ if (print_toptype)
+ putchar(' ');
+
+ printf("%s", desc->ifmt_string);
+
+ if (print_toptype) {
+ desc = get_mode_desc(ifmw, ttos);
+ if (desc != NULL && strcasecmp("autoselect", desc->ifmt_string))
+ printf(" mode %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 ? ">" : "");
+
+ if (print_toptype && IFM_INST(ifmw) != 0)
+ printf(" instance %d", IFM_INST(ifmw));
+}
+
+void
+print_media_word_ifconfig(int ifmw)
+{
+ 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("<unknown type>");
+ 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) {
+ printf("<unknown subtype>");
+ return;
+ }
+
+ printf("media %s", desc->ifmt_string);
+
+ desc = get_mode_desc(ifmw, ttos);
+ if (desc != NULL)
+ printf(" mode %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(" mediaopt ");
+ printf("%s%s", seen_option++ ? "," : "",
+ desc->ifmt_string);
+ }
+ }
+ }
+
+ if (IFM_INST(ifmw) != 0)
+ printf(" instance %d", IFM_INST(ifmw));
+}
+
+/**********************************************************************
+ * ...until here.
+ **********************************************************************/