1 files changed, 24 insertions, 18 deletions

diff --git a/scripts/runqemu-ifdown b/scripts/runqemu-ifdown
index a104c37bf8..822a2a39b9 100755
--- a/scripts/runqemu-ifdown
+++ b/scripts/runqemu-ifdown
@@ -1,8 +1,7 @@
 #!/bin/bash
 #
 # QEMU network configuration script to bring down tap devices. This
-# utility needs to be run as root, and will use the tunctl binary
-# from the native sysroot. 
+# utility needs to be run as root, and will use the ip utility
 #
 # If you find yourself calling this script a lot, you can add the
 # the following to your /etc/sudoers file to be able to run this
@@ -17,7 +16,7 @@
 #
 
 usage() {
-        echo "sudo $(basename $0) <tap-dev> <native-sysroot-basedir>"
+        echo "sudo $(basename $0) <tap-dev>"
 }
 
 if [ $EUID -ne 0 ]; then
@@ -25,30 +24,31 @@ if [ $EUID -ne 0 ]; then
         exit 1
 fi
 
-if [ $# -ne 2 ]; then
+if [ $# -gt 2 ] || [ $# -lt 1 ]; then
         usage
         exit 1
 fi
 
+# backward compatibility
+if [ $# -eq 2 ] ; then
+        echo "Warning: native-sysroot-basedir parameter is ignored. It is no longer needed." >&2
+fi
+
 TAP=$1
-STAGING_BINDIR_NATIVE=$2
 
-TUNCTL=$STAGING_BINDIR_NATIVE/tunctl
-if [ ! -e "$TUNCTL" ]; then
-        echo "Error: Unable to find tunctl binary in '$STAGING_BINDIR_NATIVE', please bitbake qemu-helper-native"
+if ! ip tuntap del $TAP mode tap 2>/dev/null; then
+        echo "Error: Unable to run up tuntap del"
         exit 1
 fi
 
-$TUNCTL -d $TAP
-
-IFCONFIG=`which ip 2> /dev/null`
-if [ "x$IFCONFIG" = "x" ]; then
+IPTOOL=`which ip 2> /dev/null`
+if [ "x$IPTOOL" = "x" ]; then
         # better than nothing...
-        IFCONFIG=/sbin/ip
+        IPTOOL=/sbin/ip
 fi
-if [ -x "$IFCONFIG" ]; then
-        if `$IFCONFIG link show $TAP > /dev/null 2>&1`; then
-                $IFCONFIG link del $TAP
+if [ -x "$IPTOOL" ]; then
+        if `$IPTOOL link show $TAP > /dev/null 2>&1`; then
+                $IPTOOL link del $TAP
         fi
 fi
 # cleanup the remaining iptables rules
@@ -60,7 +60,13 @@ if [ ! -x "$IPTABLES" ]; then
         echo "$IPTABLES cannot be executed"
         exit 1
 fi
-n=$[ (`echo $TAP | sed 's/tap//'` * 2) + 1 ]
-dest=$[ (`echo $TAP | sed 's/tap//'` * 2) + 2 ]
+
+if [ -z "$OE_TAP_NAME" ]; then
+        OE_TAP_NAME=tap
+fi
+
+n=$[ (`echo $TAP | sed "s/$OE_TAP_NAME//"` * 2) + 1 ]
+dest=$[ (`echo $TAP | sed "s/$OE_TAP_NAME//"` * 2) + 2 ]
 $IPTABLES -D POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$n/32
 $IPTABLES -D POSTROUTING -t nat -j MASQUERADE -s 192.168.7.$dest/32
+true