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diff --git a/networking_sfc/services/sfc/agent/br_int.py b/networking_sfc/services/sfc/agent/br_int.py
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+# Copyright 2015 Huawei. 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.
+
+"""
+* references
+** OVS agent https://wiki.openstack.org/wiki/Ovs-flow-logic
+"""
+
+from networking_sfc.services.sfc.common import ovs_ext_lib
+from neutron.plugins.ml2.drivers.openvswitch.agent.common import constants
+from neutron.plugins.ml2.drivers.openvswitch.agent.openflow.ovs_ofctl import (
+ br_int)
+
+
+class OVSIntegrationBridge(
+ br_int.OVSIntegrationBridge,
+ ovs_ext_lib.OVSBridgeExt
+):
+ def setup_controllers(self, conf):
+ self.set_protocols("[]")
+ self.del_controller()
+
+ def delete_arp_spoofing_protection(self, port):
+ # there is an issue to delete icmp6, it will not effect and cause
+ # other flow rule get deleted.
+ # Raofei will raise a bug to neutron community.
+ self.delete_flows(table_id=constants.LOCAL_SWITCHING,
+ in_port=port, proto='arp')
+ self.delete_flows(table_id=constants.ARP_SPOOF_TABLE,
+ in_port=port)
+
+ def mod_flow(self, **kwargs):
+ ovs_ext_lib.OVSBridgeExt.mod_flow(self, **kwargs)
+
+ def run_ofctl(self, cmd, args, process_input=None):
+ return ovs_ext_lib.OVSBridgeExt.run_ofctl(
+ self, cmd, args, process_input=process_input)