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freebsd-skq/sbin/ifconfig/ifmedia.c
Konstantin Belousov 3f113d5606 ifconfig: properly detect invalid mediaopt keywords. 
When invalid keyword is specified, ifconfig(8) is silent about it,
instead random request is sent to the driver.

Before the patch:
root@r-freeb43:~ # ifconfig mce0 mediaopt -txpause,-rxpause
ifconfig: SIOCSIFMEDIA (media): Device not configured

After:
root@r-freeb43:~ # ifconfig mce0 mediaopt -txpause,-rxpause
ifconfig: unknown option: -txpause

Reviewed by:	hselasky, kp
Sponsored by:	Mellanox Technologies / NVidia Networking
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D27060
2020-11-02 21:47:34 +00:00

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/* $NetBSD: ifconfig.c,v 1.34 1997/04/21 01:17:58 lukem Exp $ */
/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* 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.
*/
#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 <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "ifconfig.h"
static void domediaopt(const char *, int, int);
static int get_media_subtype(int, const char *);
static int get_media_mode(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);
#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;
struct ifdownreason ifdr;
int *media_list, i;
bool no_carrier, xmedia;
(void) memset(&ifmr, 0, sizeof(ifmr));
(void) strlcpy(ifmr.ifm_name, name, sizeof(ifmr.ifm_name));
xmedia = true;
/*
* Check if interface supports extended media types.
*/
if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0)
xmedia = false;
if (!xmedia && 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 (xmedia) {
if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)&ifmr) < 0)
err(1, "SIOCGIFXMEDIA");
} else {
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) {
no_carrier = false;
printf("\tstatus: ");
switch (IFM_TYPE(ifmr.ifm_active)) {
case IFM_ETHER:
case IFM_ATM:
if (ifmr.ifm_status & IFM_ACTIVE)
printf("active");
else
no_carrier = true;
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
no_carrier = true;
break;
}
if (no_carrier) {
printf("no carrier");
memset(&ifdr, 0, sizeof(ifdr));
strlcpy(ifdr.ifdr_name, name, sizeof(ifdr.ifdr_name));
if (ioctl(s, SIOCGIFDOWNREASON, (caddr_t)&ifdr) == 0) {
switch (ifdr.ifdr_reason) {
case IFDR_REASON_MSG:
printf(" (%s)", ifdr.ifdr_msg);
break;
case IFDR_REASON_VENDOR:
printf(" (vendor code %d)",
ifdr.ifdr_vendor);
break;
default:
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;
int xmedia = 1;
if (ifmr == NULL) {
ifmr = (struct ifmediareq *)malloc(sizeof(struct ifmediareq));
if (ifmr == NULL)
err(1, "malloc");
(void) memset(ifmr, 0, sizeof(struct ifmediareq));
(void) strlcpy(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, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0) {
xmedia = 0;
}
if (xmedia == 0 && 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 (xmedia) {
if (ioctl(s, SIOCGIFXMEDIA, (caddr_t)ifmr) < 0)
err(1, "SIOCGIFXMEDIA");
} else {
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);
strlcpy(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);
strlcpy(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);
strlcpy(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);
strlcpy(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);
}
/**********************************************************************
* A good chunk of this is duplicated from sys/net/if_media.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_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_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 },
},
},
};
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_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;
}
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, 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) {
option = -1;
for (i = 0; ttos->options[i].desc != NULL; i++) {
option = lookup_media_word(ttos->options[i].desc, optptr);
if (option != -1)
break;
}
if (option == -1)
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 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;
}
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("<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));
}
static 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.
**********************************************************************/
static struct cmd media_cmds[] = {
DEF_CMD_ARG("media", setmedia),
DEF_CMD_ARG("mode", setmediamode),
DEF_CMD_ARG("mediaopt", setmediaopt),
DEF_CMD_ARG("-mediaopt",unsetmediaopt),
DEF_CMD_ARG("inst", setmediainst),
DEF_CMD_ARG("instance", setmediainst),
};
static struct afswtch af_media = {
.af_name = "af_media",
.af_af = AF_UNSPEC,
.af_other_status = media_status,
};
static __constructor void
ifmedia_ctor(void)
{
size_t i;
for (i = 0; i < nitems(media_cmds); i++)
cmd_register(&media_cmds[i]);
af_register(&af_media);
}
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