30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
# Copyright (c) 2017 Cloudbase Solutions
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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.l2.extensions import qos
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from neutron.agent.linux import tc_lib
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class QosLinuxAgentDriver(qos.QosAgentDriver):
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def _get_egress_burst_value(self, rule):
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"""Return burst value used for egress bandwidth limitation.
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Because Egress bw_limit is done on ingress qdisc by LB and ovs drivers
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so it will return burst_value used by tc on as ingress_qdisc.
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"""
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return tc_lib.TcCommand.get_ingress_qdisc_burst_value(
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rule.max_kbps, rule.max_burst_kbps)
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