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From 34397fe702ae21a3566e166b4001e8121766d5a7 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Mon, 2 Dec 2013 10:36:42 +0100
Subject: [PATCH] network/net-lib.sh:iface_has_link() fixup
Just echo'ing the flags IFF_UP|IFF_RUNNING does _not_ reflect the
carrier state immediately. So wait for it to really show up.
---
modules.d/40network/net-lib.sh | 47 +++++++++++++++++-----------------
1 file changed, 23 insertions(+), 24 deletions(-)
diff --git a/modules.d/40network/net-lib.sh b/modules.d/40network/net-lib.sh
index 0aa312a0..7544401f 100644
--- a/modules.d/40network/net-lib.sh
+++ b/modules.d/40network/net-lib.sh
@@ -28,30 +28,6 @@ iface_for_mac() {
done
}
-iface_has_link() {
- local interface="$1" flags=""
- [ -n "$interface" ] || return 2
- interface="/sys/class/net/$interface"
- [ -d "$interface" ] || return 2
- flags=$(cat $interface/flags)
- echo $(($flags|0x41)) > $interface/flags # 0x41: IFF_UP|IFF_RUNNING
- [ "$(cat $interface/carrier)" = 1 ] || return 1
- # XXX Do we need to reset the flags here? anaconda never bothered..
-}
-
-find_iface_with_link() {
- local iface_path="" iface=""
- for iface_path in /sys/class/net/*; do
- iface=${iface_path##*/}
- str_starts "$iface" "lo" && continue
- if iface_has_link $iface; then
- echo "$iface"
- return 0
- fi
- done
- return 1
-}
-
# get the iface name for the given identifier - either a MAC, IP, or iface name
iface_name() {
case $1 in
@@ -483,3 +459,26 @@ type hostname >/dev/null 2>&1 || \
hostname() {
cat /proc/sys/kernel/hostname
}
+
+iface_has_link() {
+ local interface="$1" flags=""
+ [ -n "$interface" ] || return 2
+ interface="/sys/class/net/$interface"
+ [ -d "$interface" ] || return 2
+ linkup "$1"
+ [ "$(cat $interface/carrier)" = 1 ] || return 1
+ # XXX Do we need to reset the flags here? anaconda never bothered..
+}
+
+find_iface_with_link() {
+ local iface_path="" iface=""
+ for iface_path in /sys/class/net/*; do
+ iface=${iface_path##*/}
+ str_starts "$iface" "lo" && continue
+ if iface_has_link $iface; then
+ echo "$iface"
+ return 0
+ fi
+ done
+ return 1
+}