From 4e1c52b2e8419ec78ee489c32b004823e34edaee Mon Sep 17 00:00:00 2001
From: Sebastian
Date: Thu, 30 Jan 2014 20:32:46 +0100
Subject: cleanup setup_network script; dalay (final) br0 setup until IFACE
 linkstate is up

---
 .../rootfs/rootfs-stage31/data/inc/setup_network   | 35 ++++++++++++++--------
 1 file changed, 22 insertions(+), 13 deletions(-)

(limited to 'remote/rootfs')

diff --git a/remote/rootfs/rootfs-stage31/data/inc/setup_network b/remote/rootfs/rootfs-stage31/data/inc/setup_network
index 9e52cfaa..b0e6f756 100755
--- a/remote/rootfs/rootfs-stage31/data/inc/setup_network
+++ b/remote/rootfs/rootfs-stage31/data/inc/setup_network
@@ -4,6 +4,26 @@ echo "Setting up network..."
 
 echo "Main MAC address is '$MAC'"
 
+wait_for_iface() {
+	DEVICE=$1
+	echo -n "Waiting for interface $DEVICE: "
+	# Some systems don't have operstate. Seems to be hardware dependent
+	[ ! -e "/sys/class/net/${DEVICE}/operstate" ] && usleep 1000
+	if [ -e "/sys/class/net/${DEVICE}/operstate" ]; then
+		while true; do
+			# check linkstate
+			[ "x$(cat "/sys/class/net/${DEVICE}/operstate")" == "xup" ] && break
+			# else
+			echo -n "."
+			usleep 500000
+		done
+	else
+		# we really don't have a operstate .. then just wait a sec and hope for the best.
+		sleep 1
+	fi
+	echo "."
+}
+
 # setup network
 
 # set up loopback networking
@@ -35,6 +55,7 @@ for LINE in $IP_OUT; do
 		brctl setfd "$BRIDGE" 0.000000000001
 		ip link set addr "$IFMAC" "$BRIDGE" || drop_shell "Could not set mac of $BRIDGE"
 		ip link set dev "$IFACE" up
+		wait_for_iface "$IFACE"
 		brctl addif "$BRIDGE" "$IFACE" || drop_shell "Could not add $IFACE to $BRIDGE"
 		
 		# analyze ip information from the kernel command line and put parts
@@ -67,19 +88,7 @@ for LINE in $IP_OUT; do
 	IFACE=""
 done
 
-echo -n "Waiting for interface $BRIDGE: "
-# Some systems don't have operstate. Seems to be hardware dependent
-[ ! -e "/sys/class/net/${BRIDGE}/operstate" ] && sleep 2
-while true; do
-	# still no operstate? assume up and hope for the best...
-	[ ! -e "/sys/class/net/${BRIDGE}/operstate" ] && break
-	# check linkstate
-	[ "x$(cat "/sys/class/net/${BRIDGE}/operstate")" == "xup" ] && break
-	# else
-	echo -n "."
-	usleep 500000
-done
-echo "."
+wait_for_iface "$BRIDGE"
 
 # udhcpc
 PARAM=
-- 
cgit v1.2.3-55-g7522