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#!/bin/sh
# Open Infrastructure: service-tools
# Copyright (C) 2014-2024 Daniel Baumann <daniel.baumann@open-infrastructure.net>
#
# SPDX-License-Identifier: GPL-3.0+
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
set -e
PROGRAM="$(basename "${0}")"
RED="\033[1;33;31m"
GREEN="\033[1;33;32m"
NORMAL="\033[0m"
Ethtool_get ()
{
DEVICE="${1}"
FLAG="${2}"
TARGET_VALUE="${3}"
if ethtool --show-priv-flags "${DEVICE}" | awk '{ print $1 }' | grep -qs "^${FLAG}$"
then
CURRENT_VALUE="$(ethtool --show-priv-flags "${DEVICE}" | awk "/^${FLAG} / { print \$3 }")"
if [ "${CURRENT_VALUE}" = "${TARGET_VALUE}" ]
then
echo -n " ${FLAG}=${GREEN}${CURRENT_VALUE}${NORMAL}"
else
echo -n " ${FLAG}=${RED}${CURRENT_VALUE}${NORMAL}"
fi
fi
}
Ethtool_set ()
{
DEVICE="${1}"
FLAG="${2}"
VALUE="${3}"
if ethtool --show-priv-flags "${DEVICE}" | awk '{ print $1 }' | grep -qs "^${FLAG}$"
then
echo -n " ${FLAG}"
ethtool --set-priv-flags "${DEVICE}" "${FLAG}" "${VALUE}"
echo -n "=${VALUE}"
fi
}
Test_root ()
{
case "$(id -u)" in
0)
;;
*)
echo "'${PROGRAM}': must be run as root (or use sudo)" >&2
exit 1
;;
esac
}
Start ()
{
Test_root
for DEVICE in ${DEVICES}
do
echo -n "Configuring ${DEVICE}:"
Ethtool_set "${DEVICE}" disable-fw-lldp on
Ethtool_set "${DEVICE}" link-down-on-close on
echo
done
}
Stop ()
{
Test_root
for DEVICE in ${DEVICES}
do
echo -n "Deconfiguring ${DEVICE}:"
Ethtool_set "${DEVICE}" disable-fw-lldp off
Ethtool_set "${DEVICE}" link-down-on-close off
echo
done
}
Status ()
{
for DEVICE in ${DEVICES}
do
echo -n "${DEVICE}:"
Ethtool_get "${DEVICE}" disable-fw-lldp on
Ethtool_get "${DEVICE}" link-down-on-close on
echo
done
}
Usage ()
{
echo "Usage: ${PROGRAM} {start|stop|status}" >&2
echo >&2
echo "See ${PROGRAM}(1) for more information." >&2
exit 1
}
if [ -z "${1}" ]
then
Usage
fi
if [ ! -x /usr/sbin/ethtool ]
then
echo "'${PROGRAM}': /usr/sbin/ethtool - no such file." >&2
exit 1
fi
DEVICES="$(grep -s '^DRIVER=i40e' /sys/class/net/*/device/uevent | awk -F/ '{ print $5 }' | grep -v eno | sort -V)"
if [ -z "${DEVICES}" ]
then
echo "'${PROGRAM}': no network devices available with i40e driver" >&2
fi
case "${1}" in
start)
Start
;;
stop)
Stop
;;
status)
Status
;;
*)
Usage
;;
esac
|
