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-rw-r--r--sbin/ifconfig/ifmedia.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/sbin/ifconfig/ifmedia.c b/sbin/ifconfig/ifmedia.c
index e80ef592dc00..fdf0d6fb62a0 100644
--- a/sbin/ifconfig/ifmedia.c
+++ b/sbin/ifconfig/ifmedia.c
@@ -80,6 +80,7 @@
#include <err.h>
#include <errno.h>
#include <fcntl.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@@ -110,18 +111,20 @@ static void
media_status(int s)
{
struct ifmediareq ifmr;
+ struct ifdownreason ifdr;
int *media_list, i;
- int xmedia = 1;
+ 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 = 0;
- if (xmedia == 0 && ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
+ xmedia = false;
+ if (!xmedia && ioctl(s, SIOCGIFMEDIA, (caddr_t)&ifmr) < 0) {
/*
* Interface doesn't support SIOC{G,S}IFMEDIA.
*/
@@ -158,6 +161,7 @@ media_status(int s)
putchar('\n');
if (ifmr.ifm_status & IFM_AVALID) {
+ no_carrier = false;
printf("\tstatus: ");
switch (IFM_TYPE(ifmr.ifm_active)) {
case IFM_ETHER:
@@ -165,7 +169,7 @@ media_status(int s)
if (ifmr.ifm_status & IFM_ACTIVE)
printf("active");
else
- printf("no carrier");
+ no_carrier = true;
break;
case IFM_IEEE80211:
@@ -176,9 +180,27 @@ media_status(int s)
else
printf("running");
} else
- printf("no carrier");
+ 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');
}