35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
# Copyright 2020 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron.agent.linux import ip_lib
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class Ethtool(object):
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COMMAND = 'ethtool'
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@staticmethod
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def _cmd(cmd, namespace, **kwargs):
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ip_wrapper = ip_lib.IPWrapper(namespace)
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return ip_wrapper.netns.execute(cmd, run_as_root=True, **kwargs)
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@classmethod
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def offload(cls, device, rx, tx, namespace=None):
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rx = 'on' if rx else 'off'
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tx = 'on' if tx else 'off'
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cmd = ['--offload', device, 'rx', rx, 'tx', tx]
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cmd = [cls.COMMAND] + cmd
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cls._cmd(cmd, namespace)
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