mirror of
git://git.yoctoproject.org/poky.git
synced 2025-07-19 12:59:02 +02:00
9e1e717bf7
Ignore itnerfaces with other names than what the runqemu scripts created. (From OE-Core rev: e99ec79a423d09b9308e3d42f0832ee583b1456d) Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com> Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
108 lines
2.6 KiB
Bash
Executable File
108 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Create a "bank" of tap network devices that can be used by the
|
|
# runqemu script. This script needs to be run as root
|
|
#
|
|
# Copyright (C) 2010 Intel Corp.
|
|
#
|
|
# SPDX-License-Identifier: GPL-2.0-only
|
|
#
|
|
|
|
gid=`id -g`
|
|
if [ -n "$SUDO_GID" ]; then
|
|
gid=$SUDO_GID
|
|
fi
|
|
|
|
usage() {
|
|
echo "Usage: sudo $0 <gid> <num>"
|
|
echo "Where <gid> is the numeric group id the tap devices will be owned by"
|
|
echo "<num> is the number of tap devices to create (0 to remove all)"
|
|
echo "For example:"
|
|
echo "$ bitbake qemu-helper-native"
|
|
echo "$ sudo $0 $gid 4"
|
|
echo ""
|
|
exit 1
|
|
}
|
|
|
|
# Allow passing 4 arguments for backward compatibility with warning
|
|
if [ $# -gt 4 ]; then
|
|
echo "Error: Incorrect number of arguments"
|
|
usage
|
|
fi
|
|
if [ $# -gt 3 ]; then
|
|
echo "Warning: Ignoring the <native-sysroot-basedir> parameter. It is no longer needed."
|
|
fi
|
|
if [ $# -gt 2 ]; then
|
|
echo "Warning: Ignoring the <uid> parameter. It is no longer needed."
|
|
GID=$2
|
|
COUNT=$3
|
|
elif [ $# -eq 2 ]; then
|
|
GID=$1
|
|
COUNT=$2
|
|
else
|
|
echo "Error: Incorrect number of arguments"
|
|
usage
|
|
fi
|
|
|
|
|
|
if [ -z "$OE_TAP_NAME" ]; then
|
|
OE_TAP_NAME=tap
|
|
fi
|
|
|
|
# check if COUNT is a number and >= 0
|
|
if ! [ $COUNT -ge 0 ]; then
|
|
echo "Error: Incorrect count: $COUNT"
|
|
exit 1
|
|
fi
|
|
|
|
if [ $EUID -ne 0 ]; then
|
|
echo "Error: This script must be run with root privileges"
|
|
exit
|
|
fi
|
|
|
|
SCRIPT_DIR=`dirname $0`
|
|
RUNQEMU_IFUP="$SCRIPT_DIR/runqemu-ifup"
|
|
if [ ! -x "$RUNQEMU_IFUP" ]; then
|
|
echo "Error: Unable to find the runqemu-ifup script in $SCRIPT_DIR"
|
|
exit 1
|
|
fi
|
|
|
|
if interfaces=`ip tuntap list` 2>/dev/null; then
|
|
interfaces=`echo "$interfaces" |cut -f1 -d: |grep -E "^$OE_TAP_NAME.*"`
|
|
else
|
|
echo "Failed to call 'ip tuntap list'" >&2
|
|
exit 1
|
|
fi
|
|
|
|
# Ensure we start with a clean slate
|
|
for tap in $interfaces; do
|
|
echo "Note: Destroying pre-existing tap interface $tap..."
|
|
ip tuntap del $tap mode tap
|
|
done
|
|
rm -f /etc/runqemu-nosudo
|
|
|
|
if [ $COUNT -eq 0 ]; then
|
|
exit 0
|
|
fi
|
|
|
|
echo "Creating $COUNT tap devices for GID: $GID..."
|
|
for ((index=0; index < $COUNT; index++)); do
|
|
echo "Creating $OE_TAP_NAME$index"
|
|
if ! ifup=`$RUNQEMU_IFUP $GID 2>&1`; then
|
|
echo "Error bringing up interface: $ifup"
|
|
exit 1
|
|
fi
|
|
done
|
|
|
|
echo "Note: For systems running NetworkManager, it's recommended"
|
|
echo "Note: that the tap devices be set as unmanaged in the"
|
|
echo "Note: NetworkManager.conf file. Add the following lines to"
|
|
echo "Note: /etc/NetworkManager/NetworkManager.conf"
|
|
echo "[keyfile]"
|
|
echo "unmanaged-devices=interface-name:$OE_TAP_NAME*"
|
|
|
|
# The runqemu script will check for this file, and if it exists,
|
|
# will use the existing bank of tap devices without creating
|
|
# additional ones via sudo.
|
|
touch /etc/runqemu-nosudo
|