neutron/neutron/privileged/agent/linux/ethtool.py

32 lines
1.0 KiB
Python

# Copyright 2020 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_concurrency import processutils
from neutron import privileged
COMMAND = 'ethtool'
@privileged.default.entrypoint
def offload(device, rx, tx, namespace=None):
cmd = []
if namespace:
cmd += ['ip', 'netns', 'exec', namespace]
rx = 'on' if rx else 'off'
tx = 'on' if tx else 'off'
cmd += [COMMAND, '--offload', device, 'rx', rx, 'tx', tx]
return processutils.execute(*cmd)