61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
# Copyright 2016 OVH SAS
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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 oslo_config import cfg
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from oslo_log import helpers as log_helpers
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from oslo_log import log
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from neutron._i18n import _LI
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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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from neutron.plugins.ml2.drivers.linuxbridge.mech_driver import (
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mech_linuxbridge)
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LOG = log.getLogger(__name__)
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class QosLinuxbridgeAgentDriver(qos.QosAgentDriver):
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SUPPORTED_RULES = (
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mech_linuxbridge.LinuxbridgeMechanismDriver.supported_qos_rule_types
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)
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def initialize(self):
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LOG.info(_LI("Initializing Linux bridge QoS extension"))
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@log_helpers.log_method_call
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def create_bandwidth_limit(self, port, rule):
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tc_wrapper = self._get_tc_wrapper(port)
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tc_wrapper.set_filters_bw_limit(
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rule.max_kbps, self._get_egress_burst_value(rule)
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)
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@log_helpers.log_method_call
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def update_bandwidth_limit(self, port, rule):
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tc_wrapper = self._get_tc_wrapper(port)
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tc_wrapper.update_filters_bw_limit(
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rule.max_kbps, self._get_egress_burst_value(rule)
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)
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@log_helpers.log_method_call
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def delete_bandwidth_limit(self, port):
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tc_wrapper = self._get_tc_wrapper(port)
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tc_wrapper.delete_filters_bw_limit()
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def _get_tc_wrapper(self, port):
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return tc_lib.TcCommand(
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port['device'],
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cfg.CONF.QOS.kernel_hz,
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)
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