neutron/neutron/plugins/ml2/drivers/openvswitch/agent/openflow/ovs_ofctl/br_dvr_process.py

90 lines
3.5 KiB
Python

# Copyright (C) 2014,2015 VA Linux Systems Japan K.K.
# Copyright (C) 2014,2015 YAMAMOTO Takashi <yamamoto at valinux co jp>
# 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.
# Copyright 2011 VMware, 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.
class OVSDVRProcessMixin(object):
"""Common logic for br-tun and br-phys' DVR_PROCESS tables.
Inheriters should provide self.dvr_process_table_id and
self.dvr_process_next_table_id.
"""
def install_dvr_process_ipv4(self, vlan_tag, gateway_ip):
# block ARP
self.add_flow(table=self.dvr_process_table_id,
priority=3,
dl_vlan=vlan_tag,
proto='arp',
nw_dst=gateway_ip,
actions='drop')
def delete_dvr_process_ipv4(self, vlan_tag, gateway_ip):
self.delete_flows(table=self.dvr_process_table_id,
dl_vlan=vlan_tag,
proto='arp',
nw_dst=gateway_ip)
def install_dvr_process_ipv6(self, vlan_tag, gateway_mac):
# block RA
self.add_flow(table=self.dvr_process_table_id,
priority=3,
dl_vlan=vlan_tag,
proto='icmp6',
dl_src=gateway_mac,
actions='drop')
def delete_dvr_process_ipv6(self, vlan_tag, gateway_mac):
self.delete_flows(table=self.dvr_process_table_id,
dl_vlan=vlan_tag,
proto='icmp6',
dl_src=gateway_mac)
def install_dvr_process(self, vlan_tag, vif_mac, dvr_mac_address):
self.add_flow(table=self.dvr_process_table_id,
priority=2,
dl_vlan=vlan_tag,
dl_dst=vif_mac,
actions="drop")
self.add_flow(table=self.dvr_process_table_id,
priority=1,
dl_vlan=vlan_tag,
dl_src=vif_mac,
actions="mod_dl_src:%s,resubmit(,%s)" %
(dvr_mac_address, self.dvr_process_next_table_id))
def delete_dvr_process(self, vlan_tag, vif_mac):
self.delete_flows(table=self.dvr_process_table_id,
dl_vlan=vlan_tag,
dl_dst=vif_mac)
self.delete_flows(table=self.dvr_process_table_id,
dl_vlan=vlan_tag,
dl_src=vif_mac)