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runqemu-ifdown: catch up with ifup

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- Drop the native-sysroot-basedir parameter
  still allow it to keep backward compatibility
  write a warning to stderr
- Add a space after ! in the if as suggested by shellcheck
- Support the new OE_TAP_NAME variable as well

(From OE-Core rev: be72e5e32da5a251db14b42d3e9c0951178e216d)

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Adrian Freihofer 2023-06-26 15:29:26 +02:00 committed by Richard Purdie
parent abeb4f1a7c
commit 95c785baeb
1 changed files with 16 additions and 7 deletions
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23
scripts/runqemu-ifdown
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@ -16,7 +16,7 @@
#
usage() {
echo "sudo $(basename $0) <tap-dev> <native-sysroot-basedir>"
echo "sudo $(basename $0) <tap-dev>"
}
if [ $EUID -ne 0 ]; then
@ -24,15 +24,19 @@ if [ $EUID -ne 0 ]; then
exit 1
fi
if [ $# -ne 2 ]; then
if [ $# -gt 2 ] || [ $# -lt 1 ]; then
usage
exit 1
fi
TAP=$1
STAGING_BINDIR_NATIVE=$2
# backward compatibility
if [ $# -eq 2 ] ; then
echo "Warning: native-sysroot-basedir parameter is ignored. It is no longer needed." >&2
fi
if !ip tuntap del $TAP mode tap 2>/dev/null; then
TAP=$1
if ! ip tuntap del $TAP mode tap 2>/dev/null; then
echo "Error: Unable to run up tuntap del"
exit 1
fi
@ -56,8 +60,13 @@ if [ ! -x "$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