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| author | Konstantin Belousov <kib@FreeBSD.org> | 2019-09-17 18:51:10 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2019-09-17 18:51:10 +0000 |
| commit | 093aa3e311c4fb8268158ee679c9b1f15455574d (patch) | |
| tree | 74b585f1c531e23cc9b6a49b8d907341695c70e2 /sbin | |
| parent | 247cf5664e1ad88d96568eb3f2101d383a539c08 (diff) | |
| download | src-093aa3e311c4fb8268158ee679c9b1f15455574d.tar.gz src-093aa3e311c4fb8268158ee679c9b1f15455574d.zip | |
ifconfig: add report of the string from SIOCGIFDOWNREASON.
Sample output:
# ifconfig mce0
mce0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=3ed07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWFILTER,VLAN_HWTSO,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6,TXRTLMT,HWRXTSTMP>
ether e4:1d:2d:e7:10:0a
media: Ethernet autoselect <full-duplex,rxpause,txpause>
status: no carrier (Negotiation failure)
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
Reviewed by: hselasky, rrs
Sponsored by: Mellanox Technologies
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D21527
Notes
Notes:
svn path=/head/; revision=352459
Diffstat (limited to 'sbin')
| -rw-r--r-- | sbin/ifconfig/ifmedia.c | 32 |
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'); } |