Add SRIOV mirroring support to Tap as a Service.

The following patch allows VF to VF mirroring in Tap-as-a-Service
Code-changes are applicable for new tap agent driver for sriov on
Intel i40e nic.

Vlan Mirror input parameter is part of tap-flow-create API

The current TaaS SRIOV driver is based on Intel i40e NIC driver with
following requirements:-

hardware: Intel Ethernet Network Adapter XXV710 (25GbE)
Driver: Intel i40e v4.16.0

Ref Spec: openstack/neutron-specs/specs/rocky/port-mirroring-sriov-vfs.rst
Commit: https://review.openstack.org/#/c/574477/

Change-Id: Id3aa83d7e1e22ae1806cef0c93e5dd61169c6735

API_REFERENCE.rst

@@ -69,7 +69,10 @@ TapFlow Represents the port from which the traffic needs to be mirrored.
                         'required_by_policy': True, 'is_visible': True},
         'direction': {'allow_post': True, 'allow_put': False,
                       'validate': {'type:values': direction_enum},
-                      'is_visible': True}
+                      'is_visible': True},
+        'vlan_filter': {'allow_post': True, 'allow_put': False,
+                        'validate': {'type:regex_or_none': RANGE_REGEX},
+                        'is_visible': True, 'default': None}
     }
 
     direction_enum = ['IN', 'OUT', 'BOTH']
@@ -172,7 +175,8 @@ extension
             "name": "flow1",
             "source_port": "775a58bb-e2c6-4529-a918-2f019169b5b1",
             "tap_service_id": "69bd12b2-0e13-45ec-9045-b674fd9f0468",
-            "tenant_id": "97e1586d580745d7b311406697aaf097"
+            "tenant_id": "97e1586d580745d7b311406697aaf097",
+            "vlan_filter": "9,18-27,36,45,54-63"
         }
     }
 
@@ -190,7 +194,8 @@ extension
             "name": "flow1",
             "source_port": "775a58bb-e2c6-4529-a918-2f019169b5b1",
             "tap_service_id": "69bd12b2-0e13-45ec-9045-b674fd9f0468",
-            "tenant_id": "97e1586d580745d7b311406697aaf097"
+            "tenant_id": "97e1586d580745d7b311406697aaf097",
+            "vlan_filter": "9,18-27,36,45,54-63"
         }
     }
 
@@ -215,7 +220,8 @@ extension
                 "name": "flow1",
                 "source_port": "775a58bb-e2c6-4529-a918-2f019169b5b1",
                 "tap_service_id": "c352f537-ad49-48eb-ab05-1c6b8cb900ff",
-                "tenant_id": "97e1586d580745d7b311406697aaf097"
+                "tenant_id": "97e1586d580745d7b311406697aaf097",
+                "vlan_filter": "9,18-27,36,45,54-63"
             }
         ]
     }

bin/i40e_sysfs_command

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+# Copyright (c) 2018 AT&T Corporation
+# 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.
+
+help_msg="Incorrect arguments supplied!! Aborting....\nUsage: 1. VLANs to VF mirroring: $0 <phy-device-name> <dest-vf-index> <'vlan_mirror'> <'add'|'rem'> <vlan_ranges_string>\nUsage: 2. VF to VF mirroring: $0 <phy-device-name> <src-vf-index> <'ingress_mirror'|'egress_mirror'> <'add'|'rem'> <dest-vf-index>"
+
+(($#!=5)) && { echo -e ${help_msg} && exit 1; }
+
+if [ -f /sys/class/net/${1}/device/sriov/${2}/${3} ]
+then
+    echo ${4} ${5} > /sys/class/net/${1}/device/sriov/${2}/${3}
+else
+    echo "Invalid sysfs path: /sys/class/net/${1}/device/sriov/${2}/${3}"
+    exit 1
+fi

devstack/devstackgaterc

@@ -24,7 +24,7 @@ OVERRIDE_ENABLED_SERVICES+=,g-api,g-reg
 OVERRIDE_ENABLED_SERVICES+=,n-api,n-cond,n-cpu,n-crt,n-sch,placement-api
 OVERRIDE_ENABLED_SERVICES+=,n-api-meta
 OVERRIDE_ENABLED_SERVICES+=,q-agt,q-dhcp,q-l3,q-meta,q-metering,q-svc,quantum
-OVERRIDE_ENABLED_SERVICES+=,taas,taas_openvswitch_agent
+OVERRIDE_ENABLED_SERVICES+=,taas,taas_agent
 OVERRIDE_ENABLED_SERVICES+=,tempest,dstat
 export OVERRIDE_ENABLED_SERVICES
 

devstack/plugin.sh

@@ -26,6 +26,7 @@ function configure_taas_plugin {
     cp $TAAS_PLUGIN_PATH/etc/taas_plugin.ini $TAAS_PLUGIN_CONF_FILE
     neutron_server_config_add $TAAS_PLUGIN_CONF_FILE
     neutron_service_plugin_class_add taas
+    neutron_deploy_rootwrap_filters $TAAS_PLUGIN_PATH
 }
 
 if is_service_enabled taas; then

devstack/settings

@@ -2,5 +2,3 @@
 ABSOLUTE_PATH=$(cd `dirname "${BASH_SOURCE[0]}"` && pwd)
 TAAS_PLUGIN_PATH=$ABSOLUTE_PATH/..
 TAAS_PLUGIN_CONF_FILE="/etc/neutron/taas_plugin.ini"
-TAAS_OVS_AGENT_BINARY="$NEUTRON_BIN_DIR/neutron-taas-openvswitch-agent"
-TAAS_OVS_AGENT_CONF_FILE="/etc/neutron/taas.ini"

etc/neutron/rootwrap.d/taas-i40e-sysfs.filters

@@ -0,0 +1,9 @@
+# taas-i40e-sysfs filters
+
+# This file should be owned by (and only-writeable by) the root user
+
+[Filters]
+
+# This is needed to allow taas to insert/remove vlan id to the
+# target vf under /sys/class/net/[device-name]/device/sriov/[vf-index]/[mirror]
+i40e_sysfs_command: RegExpFilter, i40e_sysfs_command, root, i40e_sysfs_command, (?!.*\.\..*|.*\/.*).*, [0-9]+, (vlan|egress|ingress)_mirror, (?i)(add|rem), .*

lower-constraints.txt

@@ -53,7 +53,8 @@ msgpack==0.5.6
 munch==2.2.0
 netaddr==0.7.19
 netifaces==0.10.6
-neutron-lib==1.20.0
+neutron-lib==1.25.0
+neutron==14.0.0.0b3
 openstacksdk==0.12.0
 os-client-config==1.29.0
 os-service-types==1.2.0

neutron_taas/common/constants.py

@@ -1,3 +1,4 @@
+# Copyright (C) 2018 AT&T
 # Copyright (C) 2015 Midokura SARL.
 # All Rights Reserved.
 #
@@ -14,3 +15,6 @@
 #    under the License.
 
 TAAS = 'TAAS'
+
+# Complete VLAN Id Range
+VLAN_RANGE = '0-4095'

neutron_taas/common/utils.py

@@ -0,0 +1,49 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+
+
+def get_list_from_ranges_str(ranges_str):
+    """Convert the range in string format to ranges list
+
+    And yield the merged ranges in order. The argument must be a
+    string having comma separated vlan and vlan-ranges.
+
+    get_list_from_ranges_str("4,6,10-13,25-27,100-103")
+    [4, 6, 10, 11, 12, 13, 25, 26, 27, 100, 101, 102, 103]
+    """
+    return sum(((list(range(*[int(range_start) + range_index
+                              for range_index, range_start in
+                              enumerate(range_item.split('-'))]))
+                if '-' in range_item else [int(range_item)])
+                for range_item in ranges_str.split(',')), [])
+
+
+def get_ranges_str_from_list(ranges):
+    """Convert the ranges list to string format
+
+    And yield the merged ranges in order in string format.
+    The argument must be an iterable of pairs (start, stop).
+
+    get_ranges_str_from_list([4, 11, 12, 13, 25, 26, 27, 101, 102, 103])
+    "4,11-13,25-27,101-103"
+    """
+    ranges_str = []
+    for val in sorted(ranges):
+        if not ranges_str or ranges_str[-1][-1] + 1 != val:
+            ranges_str.append([val])
+        else:
+            ranges_str[-1].append(val)
+    return ",".join([str(range_item[0]) if len(range_item) == 1
+                     else str(range_item[0]) + "-" + str(range_item[-1])
+                     for range_item in ranges_str])

neutron_taas/db/migration/alembic_migration/versions/EXPAND_HEAD

@@ -1 +1 @@
-fddbdec8711a
+ccbcc559d175

neutron_taas/db/migration/alembic_migration/versions/stein/expand/ccbcc559d175_add_vlan_filter_to_tap_flow.py

@@ -0,0 +1,35 @@
+# Copyright (C) 2018 AT&T
+#
+#    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.
+
+"""add_vlan_filter_to_tap_flow
+
+Revision ID: ccbcc559d175
+Revises: fddbdec8711a
+Create Date: 2018-09-18 19:33:32.119458
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'ccbcc559d175'
+down_revision = 'fddbdec8711a'
+
+from alembic import op
+import sqlalchemy as sa
+
+TABLE_NAME = 'tap_flows'
+
+
+def upgrade():
+    op.add_column(TABLE_NAME, sa.Column('vlan_filter', sa.String(1024),
+                                        nullable=True))

neutron_taas/db/taas_db.py

@@ -1,3 +1,4 @@
+# Copyright (C) 2018 AT&T
 # Copyright (C) 2015 Ericsson AB
 # Copyright (c) 2015 Gigamon
 #
@@ -60,6 +61,7 @@ class TapFlow(model_base.BASEV2, model_base.HasId,
                           nullable=False)
     status = sa.Column(sa.String(16), nullable=False,
                        server_default=constants.ACTIVE)
+    vlan_filter = sa.Column(sa.String(1024), nullable=True)
 
 
 class TapIdAssociation(model_base.BASEV2):
@@ -128,7 +130,8 @@ class Taas_db_Mixin(taas.TaasPluginBase):
                'description': tap_flow['description'],
                'source_port': tap_flow['source_port'],
                'direction': tap_flow['direction'],
-               'status': tap_flow['status']}
+               'status': tap_flow['status'],
+               'vlan_filter': tap_flow['vlan_filter']}
 
         return db_utils.resource_fields(res, fields)
 
@@ -209,6 +212,7 @@ class Taas_db_Mixin(taas.TaasPluginBase):
                 source_port=t_f['source_port'],
                 direction=t_f['direction'],
                 status=constants.ACTIVE,
+                vlan_filter=t_f['vlan_filter'],
             )
             context.session.add(tap_flow_db)
 

neutron_taas/extensions/vlan_filter.py

@@ -0,0 +1,59 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+#
+
+from neutron_lib.api import extensions
+
+# Regex for a comma-seperate list of integer values (VLANs)
+# For ex. "9,18,27-36,45-54" or "0-4095" or "9,18,27,36"
+RANGE_REGEX = r"^([0-9]+(-[0-9]+)?)(,([0-9]+(-[0-9]+)?))*$"
+
+EXTENDED_ATTRIBUTES_2_0 = {
+    'tap_flows': {
+        'vlan_filter': {'allow_post': True, 'allow_put': False,
+                        'validate': {'type:regex_or_none': RANGE_REGEX},
+                        'is_visible': True, 'default': None}
+    }
+}
+
+
+class Vlan_filter(extensions.ExtensionDescriptor):
+    """Extension class supporting vlan_filter for tap_flows."""
+
+    @classmethod
+    def get_name(cls):
+        return "TaaS Vlan Filter Extension"
+
+    @classmethod
+    def get_alias(cls):
+        return 'taas-vlan-filter'
+
+    @classmethod
+    def get_description(cls):
+        return "Vlan Filter support for Tap Flows."
+
+    @classmethod
+    def get_updated(cls):
+        return "2019-01-23T00:00:00-00:00"
+
+    def get_extended_resources(self, version):
+        if version == "2.0":
+            return EXTENDED_ATTRIBUTES_2_0
+        return {}
+
+    def get_required_extensions(self):
+        return ["taas"]
+
+    def get_optional_extensions(self):
+        return []

neutron_taas/services/taas/agents/common/taas_agent.py

@@ -1,3 +1,4 @@
+# Copyright (C) 2018 AT&T
 # Copyright (C) 2015 Ericsson AB
 # Copyright (c) 2015 Gigamon
 #
@@ -15,35 +16,54 @@
 
 
 from neutron import manager
+from neutron_taas.services.taas.drivers.linux \
+    import ovs_constants as taas_ovs_consts
 
 from neutron_taas.common import topics
 from neutron_taas.services.taas.agents import taas_agent_api as api
 
+from neutron_lib import context as neutron_context
 from neutron_lib import rpc as n_rpc
 from oslo_config import cfg
 from oslo_log import log as logging
+import oslo_messaging as messaging
 from oslo_service import service
 
 LOG = logging.getLogger(__name__)
 
 
-class TaasOvsPluginApi(api.TaasPluginApiMixin):
-    # Currently there are not any APIs from the the agent towards plugin
+class TaasPluginApi(api.TaasPluginApiMixin):
 
     def __init__(self, topic, host):
-        super(TaasOvsPluginApi, self).__init__(topic, host)
+        super(TaasPluginApi, self).__init__(topic, host)
+        target = messaging.Target(topic=topic, version='1.0')
+        self.client = n_rpc.get_client(target)
+        return
+
+    def sync_tap_resources(self, sync_tap_res, host):
+        """Send Rpc to plugin to recreate pre-existing tap resources."""
+        LOG.debug("In RPC Call for Sync Tap Resources: Host=%s, MSG=%s" %
+                  (host, sync_tap_res))
+
+        context = neutron_context.get_admin_context()
+
+        cctxt = self.client.prepare(fanout=False)
+        cctxt.cast(context, 'sync_tap_resources', sync_tap_res=sync_tap_res,
+                   host=host)
+
         return
 
 
-class TaasOvsAgentRpcCallback(api.TaasAgentRpcCallbackMixin):
+class TaasAgentRpcCallback(api.TaasAgentRpcCallbackMixin):
 
     def __init__(self, conf, driver_type):
-        LOG.debug("TaaS OVS Agent initialize called")
+
+        LOG.debug("TaaS Agent initialize called")
 
         self.conf = conf
         self.driver_type = driver_type
 
-        super(TaasOvsAgentRpcCallback, self).__init__()
+        super(TaasAgentRpcCallback, self).__init__()
 
     def initialize(self):
         self.taas_driver = manager.NeutronManager.load_class_for_provider(
@@ -52,7 +72,7 @@ class TaasOvsAgentRpcCallback(api.TaasAgentRpcCallbackMixin):
         self.taas_driver.initialize()
 
         self._taas_rpc_setup()
-        TaasOvsAgentService(self).start()
+        TaasAgentService(self).start(self.taas_plugin_rpc, self.conf.host)
 
     def consume_api(self, agent_api):
         self.agent_api = agent_api
@@ -104,6 +124,9 @@ class TaasOvsAgentRpcCallback(api.TaasAgentRpcCallbackMixin):
 
     def delete_tap_flow(self, context, tap_flow_msg, host):
         if host != self.conf.host:
+            LOG.debug("RPC Call for Delete Tap Flow. Host value [%s]"
+                      "(received in RPC) doesn't match the host value "
+                      "stored in agent [%s]" % (host, self.conf.host))
             return
         LOG.debug("In RPC Call for Delete Tap Flow: MSG=%s" % tap_flow_msg)
 
@@ -114,7 +137,7 @@ class TaasOvsAgentRpcCallback(api.TaasAgentRpcCallbackMixin):
 
     def _taas_rpc_setup(self):
         # setup RPC to msg taas plugin
-        self.taas_plugin_rpc = TaasOvsPluginApi(
+        self.taas_plugin_rpc = TaasPluginApi(
             topics.TAAS_PLUGIN, self.conf.host)
 
         endpoints = [self]
@@ -123,22 +146,31 @@ class TaasOvsAgentRpcCallback(api.TaasAgentRpcCallbackMixin):
         conn.consume_in_threads()
 
     def periodic_tasks(self):
-        #
-        # Regenerate the flow in br-tun's TAAS_SEND_FLOOD table
-        # to ensure all existing tunnel ports are included.
-        #
-        self.taas_driver.update_tunnel_flood_flow()
+        return self._invoke_driver_for_plugin_api(
+            context=None,
+            args=None,
+            func_name='periodic_tasks')
+
+    def get_driver_type(self):
+        return self.driver_type
 
 
-class TaasOvsAgentService(service.Service):
+class TaasAgentService(service.Service):
     def __init__(self, driver):
-        super(TaasOvsAgentService, self).__init__()
+        super(TaasAgentService, self).__init__()
         self.driver = driver
 
-    def start(self):
-        super(TaasOvsAgentService, self).start()
-        self.tg.add_timer(
-            int(cfg.CONF.taas_agent_periodic_interval),
-            self.driver.periodic_tasks,
-            None
-        )
+    def start(self, taas_plugin_rpc, host):
+        super(TaasAgentService, self).start()
+
+        if self.driver.get_driver_type() == \
+                taas_ovs_consts.EXTENSION_DRIVER_TYPE:
+            self.tg.add_timer(
+                int(cfg.CONF.taas_agent_periodic_interval),
+                self.driver.periodic_tasks,
+                None
+            )
+
+        # Indicate the TaaS plugin to recreate the taas resources
+        rpc_msg = {'host_id': host}
+        taas_plugin_rpc.sync_tap_resources(rpc_msg, host)

neutron_taas/services/taas/agents/extensions/taas.py

@@ -18,14 +18,13 @@ import six
 
 from neutron_lib.agent import l2_extension
 
-from neutron_taas.services.taas.agents.ovs import taas_ovs_agent
+from neutron_taas.services.taas.agents.common import taas_agent
 
 from oslo_config import cfg
 from oslo_log import log as logging
 
 LOG = logging.getLogger(__name__)
 
-
 OPTS = [
     cfg.IntOpt(
         'taas_agent_periodic_interval',
@@ -71,7 +70,7 @@ class TaasAgentExtension(l2_extension.L2AgentExtension):
 
     def initialize(self, connection, driver_type):
         """Initialize agent extension."""
-        self.taas_agent = taas_ovs_agent.TaasOvsAgentRpcCallback(
+        self.taas_agent = taas_agent.TaasAgentRpcCallback(
             cfg.CONF, driver_type)
         self.taas_agent.consume_api(self.agent_api)
         self.taas_agent.initialize()

neutron_taas/services/taas/drivers/linux/ovs_constants.py

@@ -26,3 +26,6 @@ TAAS_DST_CHECK = 36
 TAAS_SRC_CHECK = 37
 TAAS_DST_RESPOND = 38
 TAAS_SRC_RESPOND = 39
+
+# OVS TaaS extension driver type
+EXTENSION_DRIVER_TYPE = 'ovs'

neutron_taas/services/taas/drivers/linux/ovs_taas.py

@@ -56,6 +56,13 @@ class OvsTaasDriver(taas_base.TaasAgentDriver):
         # Setup key-value manager for ingress BCMC flows
         self.bcmc_kvm = taas_ovs_utils.key_value_mgr(4096)
 
+    def periodic_tasks(self, args=None):
+        #
+        # Regenerate the flow in br-tun's TAAS_SEND_FLOOD table
+        # to ensure all existing tunnel ports are included.
+        #
+        self.update_tunnel_flood_flow()
+
     def setup_ovs_bridges(self):
         #
         # br-int : Integration Bridge

neutron_taas/services/taas/drivers/linux/sriov_nic_exceptions.py

@@ -0,0 +1,32 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+
+from neutron_lib import exceptions as qexception
+
+# TaaS SR-IOV driver exception handling classes
+
+
+class SriovNicSwitchDriverInvocationError(qexception.Invalid):
+    message = _("Failed to invoke SR-IOV TaaS driver command: "
+                "%(tap_service_pf_device)s, %(tap_service_vf_index)s, "
+                "%(source_vf_index)s, %(vlan_filter)s, "
+                "%(vf_to_vf_all_vlans)s, %(direction)s")
+
+
+class PciDeviceNotFoundById(qexception.NotFound):
+    message = _("PCI device %(id)s not found")
+
+
+class PciSlotNotFound(qexception.NotFound):
+    message = _("PCI slot (Port-id, MAC): %(port_id)s, %(mac)s not found")

neutron_taas/services/taas/drivers/linux/sriov_nic_taas.py

@@ -0,0 +1,364 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+
+
+from neutron.conf.agent import common
+from neutron_taas.common import constants as taas_consts
+from neutron_taas.common import utils as common_utils
+from neutron_taas.services.taas.agents.extensions import taas as taas_base
+from neutron_taas.services.taas.drivers.linux import sriov_nic_exceptions \
+    as taas_exc
+from neutron_taas.services.taas.drivers.linux import sriov_nic_utils \
+    as sriov_utils
+
+from oslo_config import cfg
+from oslo_log import log as logging
+from oslo_utils import excutils
+import threading
+
+LOG = logging.getLogger(__name__)
+
+TaaS_DRIVER_NAME = 'Taas SRIOV NIC Switch driver'
+
+
+class SriovNicTaasDriver(taas_base.TaasAgentDriver):
+    def __init__(self):
+        super(SriovNicTaasDriver, self).__init__()
+        LOG.debug("Initializing Taas SRIOV NIC Switch Driver")
+        self.agent_api = None
+        self.root_helper = common.get_root_helper(cfg.CONF)
+        self.lock = threading.Lock()
+
+    def initialize(self):
+        LOG.debug("Initialize routine called for Taas SRIOV NIC Switch Driver")
+        self.sriov_utils = sriov_utils.SriovNicUtils()
+        return
+
+    def consume_api(self, agent_api):
+        self.agent_api = agent_api
+
+    def create_tap_service(self, tap_service):
+        ts_port = tap_service['port']
+
+        LOG.debug("SRIOV Driver: Inside create_tap_service: "
+                  "Port-id: %(port_id)s",
+                  {'port_id': ts_port['id']})
+
+        port_params = self.sriov_utils.get_sriov_port_params(ts_port)
+
+        LOG.info("TaaS SRIOV: create_tap_service RPC invoked for "
+                 "port %(id)s, MAC %(ts_port_mac)s, PCI %(ts_pci_slot)s, "
+                 "VF-Index %(vf_index)s, PF-Device %(pf_device)s, "
+                 "src_vlans %(src_vlans)s; ",
+                 {'id': ts_port['id'],
+                  'ts_port_mac': port_params['mac'],
+                  'ts_pci_slot': port_params['pci_slot'],
+                  'vf_index': port_params['vf_index'],
+                  'pf_device': port_params['pf_device'],
+                  'src_vlans': port_params['src_vlans']})
+
+        return
+
+    def delete_tap_service(self, tap_service):
+        ts_port = tap_service['port']
+
+        LOG.debug("SRIOV Driver: Inside delete_tap_service: "
+                  "Port-id: %(port_id)s",
+                  {'port_id': ts_port['id']})
+
+        port_params = self.sriov_utils.get_sriov_port_params(ts_port)
+
+        LOG.info("TaaS SRIOV: delete_tap_service RPC invoked for "
+                 "port %(id)s, MAC %(ts_port_mac)s, PCI %(ts_pci_slot)s, "
+                 "VF-Index %(vf_index)s, PF-Device %(pf_device)s, "
+                 "src_vlans %(src_vlans)s; ",
+                 {'id': ts_port['id'],
+                  'ts_port_mac': port_params['mac'],
+                  'ts_pci_slot': port_params['pci_slot'],
+                  'vf_index': port_params['vf_index'],
+                  'pf_device': port_params['pf_device'],
+                  'src_vlans': port_params['src_vlans']})
+
+        return
+
+    def create_tap_flow(self, tap_flow):
+        source_port = tap_flow['port']
+        ts_port = tap_flow['tap_service_port']
+        direction = tap_flow['tap_flow']['direction']
+        vlan_filter = tap_flow['tap_flow']['vlan_filter']
+        vf_to_vf_all_vlans = False
+
+        LOG.debug("SRIOV Driver: Inside create_tap_flow: "
+                  "SRC Port-id: %(src_port_id)s, "
+                  "DEST Port-id: %(dest_port_id)s "
+                  "Direction: %(direction)s",
+                  {'src_port_id': source_port['id'],
+                   'dest_port_id': ts_port['id'],
+                   'direction': direction})
+
+        src_port_params = self.sriov_utils.get_sriov_port_params(source_port)
+        ts_port_params = self.sriov_utils.get_sriov_port_params(ts_port)
+
+        LOG.info("TaaS src_port_params "
+                 "port %(id)s, MAC %(port_mac)s, PCI %(pci_slot)s, "
+                 "VF-Index %(vf_index)s, PF-Device %(pf_device)s, "
+                 "src_vlans %(src_vlans)s; ",
+                 {'id': source_port['id'],
+                  'port_mac': src_port_params['mac'],
+                  'pci_slot': src_port_params['pci_slot'],
+                  'vf_index': src_port_params['vf_index'],
+                  'pf_device': src_port_params['pf_device'],
+                  'src_vlans': src_port_params['src_vlans']})
+
+        LOG.info("TaaS ts_port_params "
+                 "port %(id)s, MAC %(port_mac)s, PCI %(pci_slot)s, "
+                 "VF-Index %(vf_index)s, PF-Device %(pf_device)s, "
+                 "VLAN-Filter %(vlan_filter)s, src_vlans %(src_vlans)s; ",
+                 {'id': ts_port['id'],
+                  'port_mac': ts_port_params['mac'],
+                  'pci_slot': ts_port_params['pci_slot'],
+                  'vf_index': ts_port_params['vf_index'],
+                  'pf_device': ts_port_params['pf_device'],
+                  'vlan_filter': vlan_filter,
+                  'src_vlans': ts_port_params['src_vlans']})
+
+        # If no VLAN filter configured on source port, then include all vlans
+        if not src_port_params['src_vlans'] or \
+                src_port_params['src_vlans'] == '0':
+            src_port_params['src_vlans'] = taas_consts.VLAN_RANGE
+            LOG.debug("TaaS no src_vlans in src_port")
+
+        # If no VLAN filter configured on probe port, then include all vlans
+        if not vlan_filter:
+            vlan_filter = taas_consts.VLAN_RANGE
+            vf_to_vf_all_vlans = True
+            LOG.debug("VF to VF mirroring for all VLANs. "
+                      "Direction %(direction)s",
+                      {'direction': direction})
+
+        if not src_port_params['pci_slot']:
+            LOG.error("No PCI Slot for source_port %(id)s with MAC %(mac)s; ",
+                      {'id': source_port['id'],
+                       'mac': src_port_params['mac'],
+                       'source_vlans': src_port_params['src_vlans']})
+            raise taas_exc.PciSlotNotFound(port_id=source_port['id'],
+                                           mac=src_port_params['mac'])
+
+        if not ts_port_params['pci_slot']:
+            LOG.error("No PCI Slot for ts_port %(id)s with MAC %(mac)s; ",
+                      {'id': ts_port['id'], 'mac': ts_port_params['mac'],
+                       'vlan_filter': vlan_filter})
+            raise taas_exc.PciSlotNotFound(port_id=ts_port['id'],
+                                           mac=ts_port_params['mac'])
+
+        if src_port_params['pf_device'] != ts_port_params['pf_device']:
+            LOG.error("SRIOV NIC Driver only supports mirroring b/w "
+                      "VF_src %(VF_src)s -> VF_probe %(VF_probe)s on same PF. "
+                      "PF_src %(PF_src)s and PF_probe %(PF_probe)s "
+                      "are different; ",
+                      {'VF_src': src_port_params['vf_index'],
+                       'VF_probe': ts_port_params['vf_index'],
+                       'PF_src': src_port_params['pf_device'],
+                       'PF_probe': ts_port_params['pf_device']})
+            return
+
+        # Fetch common VLAN tags
+        src_vlans_list = sorted(set(common_utils.get_list_from_ranges_str(
+            src_port_params['src_vlans'])))
+        vlan_filter_list = sorted(set(
+            common_utils.get_list_from_ranges_str(vlan_filter)))
+
+        common_vlans_list = list(set(src_vlans_list).intersection(
+            vlan_filter_list))
+        common_vlans_rng_str = common_utils.get_ranges_str_from_list(
+            common_vlans_list)
+
+        LOG.info("TaaS src_vlans_list %(src_vlans_list)s, "
+                 "vlan_filter_list %(vlan_filter_list)s, "
+                 "common_vlans_list %(common_vlans_list)s, "
+                 "common_vlans_rng_str %(common_vlans_rng_str)s; ",
+                 {'src_vlans_list': src_vlans_list,
+                  'vlan_filter_list': vlan_filter_list,
+                  'common_vlans_list': common_vlans_list,
+                  'common_vlans_rng_str': common_vlans_rng_str})
+
+        if ts_port_params['pf_device'] and \
+                ts_port_params['vf_index'] and \
+                src_port_params['vf_index']:
+            with self.lock:
+                try:
+                    LOG.info("TaaS invoking execute_sysfs_command")
+                    self.sriov_utils.execute_sysfs_command(
+                        'add',
+                        ts_port_params,
+                        src_port_params,
+                        common_vlans_rng_str,
+                        vf_to_vf_all_vlans,
+                        direction)
+                except Exception:
+                    LOG.error("TaaS error in invoking execute_sysfs_command")
+                    with excutils.save_and_reraise_exception():
+                        raise taas_exc.SriovNicSwitchDriverInvocationError(
+                            ts_pf_dev=ts_port_params['pf_device'],
+                            ts_vf_index=ts_port_params['vf_index'],
+                            source_vf_index=src_port_params['vf_index'],
+                            common_vlans_rng_str=common_vlans_rng_str,
+                            vf_to_vf_all_vlans=vf_to_vf_all_vlans,
+                            direction=direction)
+        return
+
+    def delete_tap_flow(self, tap_flow):
+        source_port = tap_flow['port']
+        ts_port = tap_flow['tap_service_port']
+        vlan_filter = tap_flow['tap_flow']['vlan_filter']
+        direction = tap_flow['tap_flow']['direction']
+
+        LOG.debug("SRIOV Driver: Inside delete_tap_flow: "
+                  "SRC Port-id: %(src_port_id)s, "
+                  "DEST Port-id: %(dest_port_id)s "
+                  "Direction: %(direction)s",
+                  {'src_port_id': source_port['id'],
+                   'dest_port_id': ts_port['id'],
+                   'direction': direction})
+
+        src_port_params = self.sriov_utils.get_sriov_port_params(source_port)
+        ts_port_params = self.sriov_utils.get_sriov_port_params(ts_port)
+
+        LOG.info("TaaS src_port_params "
+                 "port %(id)s, MAC %(port_mac)s, PCI %(pci_slot)s, "
+                 "VF-Index %(vf_index)s, PF-Device %(pf_device)s, "
+                 "src_vlans %(src_vlans)s; ",
+                 {'id': source_port['id'],
+                  'port_mac': src_port_params['mac'],
+                  'pci_slot': src_port_params['pci_slot'],
+                  'vf_index': src_port_params['vf_index'],
+                  'pf_device': src_port_params['pf_device'],
+                  'src_vlans': src_port_params['src_vlans']})
+
+        LOG.info("TaaS ts_port_params "
+                 "port %(id)s, MAC %(port_mac)s, PCI %(pci_slot)s, "
+                 "VF-Index %(vf_index)s, PF-Device %(pf_device)s, "
+                 "VLAN-Filter %(vlan_filter)s, src_vlans %(src_vlans)s; ",
+                 {'id': ts_port['id'],
+                  'port_mac': ts_port_params['mac'],
+                  'pci_slot': ts_port_params['pci_slot'],
+                  'vf_index': ts_port_params['vf_index'],
+                  'pf_device': ts_port_params['pf_device'],
+                  'vlan_filter': vlan_filter,
+                  'src_vlans': ts_port_params['src_vlans']})
+
+        # If no VLAN filter configured on source port, then include all vlans
+        if not src_port_params['src_vlans']:
+            src_port_params['src_vlans'] = taas_consts.VLAN_RANGE
+            LOG.debug("TaaS no src_vlans in src_port")
+
+        # If no VLAN filter configured on probe port, then include all vlans
+        if not vlan_filter:
+            vf_to_vf_all_vlans = True
+            LOG.debug("VF to VF mirroring for all VLANs. "
+                      "Direction %(direction)s",
+                      {'direction': direction})
+
+        if not src_port_params['pci_slot']:
+            LOG.error("No PCI Slot for source_port %(id)s with MAC %(mac)s; ",
+                      {'id': source_port['id'],
+                       'mac': src_port_params['mac'],
+                       'source_vlans': src_port_params['src_vlans']})
+            raise taas_exc.PciSlotNotFound(port_id=source_port['id'],
+                                           mac=src_port_params['mac'])
+
+        if not ts_port_params['pci_slot']:
+            LOG.error("No PCI Slot for ts_port %(id)s with MAC %(mac)s; ",
+                      {'id': ts_port['id'], 'mac': ts_port_params['mac']})
+            raise taas_exc.PciSlotNotFound(port_id=ts_port['id'],
+                                           mac=ts_port_params['mac'])
+
+        # Fetch common VLAN tags
+        src_vlans_list = []
+        for src_vlans_str in tap_flow['source_vlans_list']:
+            src_vlans_list.extend(common_utils.get_list_from_ranges_str(
+                src_vlans_str))
+
+        src_vlans_list = sorted(set(src_vlans_list))
+
+        vlan_filter_list = []
+        for vlan_filter_str in tap_flow['vlan_filter_list']:
+            vlan_filter_list.extend(common_utils.get_list_from_ranges_str(
+                vlan_filter_str))
+
+        vlan_filter_list = sorted(set(vlan_filter_list))
+
+        common_vlans_list = \
+            list(set(src_vlans_list).intersection(vlan_filter_list))
+
+        common_vlans_rng_str = \
+            common_utils.get_ranges_str_from_list(common_vlans_list)
+
+        LOG.info("TaaS src_vlans_list %(src_vlans_list)s, "
+                 "vlan_filter_list %(vlan_filter_list)s, "
+                 "common_vlans_list %(common_vlans_list)s, "
+                 "common_vlans_rng_str %(common_vlans_rng_str)s; ",
+                 {'src_vlans_list': src_vlans_list,
+                  'vlan_filter_list': vlan_filter_list,
+                  'common_vlans_list': common_vlans_list,
+                  'common_vlans_rng_str': common_vlans_rng_str})
+
+        if ts_port_params['pf_device'] and \
+                ts_port_params['vf_index'] and \
+                src_port_params['vf_index']:
+
+            with self.lock:
+                try:
+                    LOG.info("TaaS invoking execute_sysfs_command")
+                    self.sriov_utils.execute_sysfs_command('rem',
+                                                           ts_port_params,
+                                                           src_port_params,
+                                                           taas_consts.
+                                                           VLAN_RANGE,
+                                                           False,
+                                                           'BOTH')
+                except Exception:
+                    LOG.error("TaaS error in invoking execute_sysfs_command")
+                    with excutils.save_and_reraise_exception():
+                        raise taas_exc.SriovNicSwitchDriverInvocationError(
+                            ts_pf_dev=ts_port_params['pf_device'],
+                            ts_vf_index=ts_port_params['vf_index'],
+                            source_vf_index=src_port_params['vf_index'],
+                            common_vlans_rng_str=taas_consts.VLAN_RANGE,
+                            vf_to_vf_all_vlans=vf_to_vf_all_vlans,
+                            direction=direction)
+
+                if common_vlans_rng_str:
+                    try:
+                        LOG.info("TaaS invoking execute_sysfs_command")
+                        self.sriov_utils.execute_sysfs_command(
+                            'add',
+                            ts_port_params,
+                            src_port_params,
+                            common_vlans_rng_str,
+                            False,
+                            'BOTH')
+                    except Exception:
+                        LOG.error("TaaS error in invoking "
+                                  "execute_sysfs_command")
+                        with excutils.save_and_reraise_exception():
+                            raise taas_exc.SriovNicSwitchDriverInvocationError(
+                                ts_pf_dev=ts_port_params['pf_device'],
+                                ts_vf_index=ts_port_params['vf_index'],
+                                source_vf_index=src_port_params['vf_index'],
+                                common_vlans_rng_str=common_vlans_rng_str,
+                                vf_to_vf_all_vlans=vf_to_vf_all_vlans,
+                                direction=direction)
+
+        return

neutron_taas/services/taas/drivers/linux/sriov_nic_utils.py

@@ -0,0 +1,268 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+
+
+#
+# This class implements a utility functions for SRIOV NIC Switch Driver
+#
+import os
+from oslo_log import log as logging
+
+from neutron.agent.linux import utils
+from neutron_lib.api.definitions import portbindings
+from neutron_taas.services.taas.drivers.linux import sriov_nic_exceptions \
+    as taas_exc
+
+import glob
+import re
+
+LOG = logging.getLogger(__name__)
+
+
+class SriovNicUtils(object):
+    #
+    # Initializes internal state for specified # keys
+    #
+    def __init__(self):
+        LOG.debug("SriovNicUtils: init called")
+        return
+
+    #
+    # Returns specified key-value affilation, if it exists.
+    #
+    def execute_sysfs_command(self, command, ts_port_params,
+                              src_port_params,
+                              common_vlans_ranges_str,
+                              vf_to_vf_all_vlans, direction):
+        """Execute the SRIOV NIC Switch Driver's SysFs command.
+
+        # Mirror traffic from VF0 to VF3 on interface p2p1, ex.
+        echo add 3 > /sys/class/net/p2p1/device/sriov/0/ingress_mirror
+        echo add 3 > /sys/class/net/p2p1/device/sriov/0/egress_mirror
+
+        # Remove traffic mirroring from VF0 to VF3 on interface p2p1, ex.
+        echo rem 3 > /sys/class/net/p2p1/device/sriov/0/ingress_mirror
+        echo rem 3 > /sys/class/net/p2p1/device/sriov/0/egress_mirror
+
+        # Add VLANs 2,6,18-22 to Mirror traffic to VF3 (port p2p1), ex.
+        echo add 2,6,18-22 > /sys/class/net/p2p1/device/sriov/3/vlan_mirror
+
+        # Remove VLANs 2,6,18-22 to Mirror traffic to VF3 (port p2p1), ex.
+        echo rem 2,6,18-22 > /sys/class/net/p2p1/device/sriov/3/vlan_mirror
+
+        # Remove all VLANs from mirroring at VF3, ex.
+        echo rem 0-4095 > /sys/class/net/p1p1/device/sriov/3/vlan_mirror
+        """
+        LOG.debug("TaaS sysfs command params %(command)s, "
+                  "ts_port_params %(ts_port_params)s, "
+                  "src_port_params %(src_port_params)s, "
+                  "common_vlans_ranges_str %(common_vlans_ranges_str)s; "
+                  "vf_to_vf_all_vlans %(vf_to_vf_all_vlans)s; "
+                  "direction %(direction)s; ",
+                  {'command': command,
+                   'ts_port_params': ts_port_params,
+                   'src_port_params': src_port_params,
+                   'common_vlans_ranges_str': common_vlans_ranges_str,
+                   'vf_to_vf_all_vlans': vf_to_vf_all_vlans,
+                   'direction': direction})
+        if vf_to_vf_all_vlans:
+            if direction in ['OUT', 'BOTH']:
+                commit_cmd = ['i40e_sysfs_command',
+                              ts_port_params['pf_device'],
+                              src_port_params['vf_index'],
+                              'egress_mirror',
+                              command,
+                              ts_port_params['vf_index']]
+
+                try:
+                    LOG.info("TaaS executing sysfs_command %(command)s",
+                             {'command': commit_cmd})
+                    utils.execute(commit_cmd, run_as_root=True)
+                except (OSError, RuntimeError, IndexError, ValueError) as e:
+                    LOG.error("Exception while executing Sysfs command "
+                              "Exception: %s", e)
+                    return
+
+            if direction in ['IN', 'BOTH']:
+                commit_cmd = ['i40e_sysfs_command',
+                              ts_port_params['pf_device'],
+                              src_port_params['vf_index'],
+                              'ingress_mirror',
+                              command,
+                              ts_port_params['vf_index']]
+
+                try:
+                    LOG.info("TaaS executing sysfs_command %(command)s",
+                             {'command': commit_cmd})
+                    utils.execute(commit_cmd, run_as_root=True)
+                except (OSError, RuntimeError, IndexError, ValueError) as e:
+                    LOG.error("Exception while executing Sysfs command "
+                              "Exception: %s", e)
+                    return
+        else:
+            if direction != 'BOTH':
+                LOG.warning("SRIOV NIC Switch driver only supports"
+                            "direction=BOTH for specific VLANs' mirroring")
+
+            commit_cmd = ['i40e_sysfs_command',
+                          ts_port_params['pf_device'],
+                          ts_port_params['vf_index'],
+                          'vlan_mirror',
+                          command,
+                          common_vlans_ranges_str]
+
+            try:
+                LOG.info("TaaS executing sysfs_command %(command)s",
+                         {'command': commit_cmd})
+                utils.execute(commit_cmd, run_as_root=True)
+            except (OSError, RuntimeError, IndexError, ValueError) as e:
+                LOG.error("Exception while executing Sysfs command "
+                          "Exception: %s", e)
+                return
+
+    def _get_sysfs_netdev_path(self, pci_addr, pf_interface):
+        """Get the sysfs path based on the PCI address of the device.
+
+        Assumes a networking device - will not check for the existence
+        of the path.
+        """
+        if pf_interface:
+            return "/sys/bus/pci/devices/%s/physfn/net" % pci_addr
+        return "/sys/bus/pci/devices/%s/net" % pci_addr
+
+    def get_ifname_by_pci_address(self, pci_addr, pf_interface=False):
+        """Get the interface name based on a VF's pci address.
+
+        The returned interface name is either the parent PF's or that of
+        the VF itself based on the argument of pf_interface.
+        """
+        dev_path = self._get_sysfs_netdev_path(pci_addr, pf_interface)
+        try:
+            dev_info = os.listdir(dev_path)
+            return dev_info.pop()
+        except Exception:
+            raise taas_exc.PciDeviceNotFoundById(id=pci_addr)
+
+    def get_mac_by_pci_address(self, pci_addr, pf_interface=False):
+        """Get the MAC address of the nic based on its PCI address.
+
+        Raises PciDeviceNotFoundById in case the pci device is not a NIC
+        """
+        dev_path = self._get_sysfs_netdev_path(pci_addr, pf_interface)
+        if_name = self.get_ifname_by_pci_address(pci_addr, pf_interface)
+        addr_file = os.path.join(dev_path, if_name, 'address')
+
+        try:
+            with open(addr_file) as f:
+                mac = next(f).strip()
+                return mac
+        except (IOError, StopIteration) as e:
+            LOG.warning("Could not find the expected sysfs file for "
+                        "determining the MAC address of the PCI device "
+                        "%(addr)s. May not be a NIC. Error: %(e)s",
+                        {'addr': pci_addr, 'e': e})
+            raise taas_exc.PciDeviceNotFoundById(id=pci_addr)
+
+    def get_vf_num_by_pci_address(self, pci_addr):
+        """Get the VF number based on a VF's pci address
+
+        A VF is associated with an VF number, which ip link command uses to
+        configure it. This can be obtained from the PCI device filesystem.
+        """
+        VIRTFN_RE = re.compile("virtfn(\d+)")
+        virtfns_path = "/sys/bus/pci/devices/%s/physfn/virtfn*" % (pci_addr)
+        vf_num = None
+        LOG.debug("TaaS: pci_addr: %(pci_addr)s "
+                  "virtfns_path: %(virtfns_path)s",
+                  {'pci_addr': pci_addr,
+                   'virtfns_path': virtfns_path})
+        try:
+            for vf_path in glob.iglob(virtfns_path):
+                if re.search(pci_addr, os.readlink(vf_path)):
+                    t = VIRTFN_RE.search(vf_path)
+                    vf_num = t.group(1)
+                    break
+        except Exception:
+            pass
+        if vf_num is None:
+            LOG.warning("TaaS: No net device was found for pci: %(pci_addr)s "
+                        "virtfns_path: %(virtfns_path)s",
+                        {'pci_addr': pci_addr,
+                         'virtfns_path': virtfns_path})
+            raise taas_exc.PciDeviceNotFoundById(id=pci_addr)
+        return vf_num
+
+    def get_net_name_by_vf_pci_address(self, vfaddress, pf_interface=False):
+        """Given the VF PCI address, returns the net device name.
+
+        Every VF is associated to a PCI network device. This function
+        returns the libvirt name given to this network device; e.g.:
+
+            <device>
+                <name>net_enp8s0f0_90_e2_ba_5e_a6_40</name>
+            ...
+
+        In the libvirt parser information tree, the network device stores the
+        network capabilities associated to this device.
+        """
+        LOG.debug("TaaS: vfaddr: %(vfaddr)s ",
+                  {'vfaddr': vfaddress})
+        try:
+            mac = self.get_mac_by_pci_address(vfaddress,
+                                              pf_interface).split(':')
+            ifname = self.get_ifname_by_pci_address(vfaddress, pf_interface)
+            LOG.debug("TaaS: mac: %(mac)s, ifname: %(ifname)s",
+                      {'mac': mac, 'ifname': ifname})
+            return ("net_%(ifname)s_%(mac)s" %
+                    {'ifname': ifname, 'mac': '_'.join(mac)})
+        except Exception:
+            LOG.warning("No net device was found for VF %(vfaddress)s",
+                        {'vfaddress': vfaddress})
+            return
+
+    def get_sriov_port_params(self, sriov_port):
+        """Returns a dict of common SRIOV parameters for a given SRIOV port
+
+        """
+        LOG.debug("TaaS: sriov_port %(id)s; ",
+                  {'id': sriov_port['id']})
+
+        port_mac = sriov_port['mac_address']
+
+        pci_slot = None
+        src_vlans = None
+
+        if sriov_port.get(portbindings.PROFILE):
+            pci_slot = sriov_port[portbindings.PROFILE].get('pci_slot')
+
+        if sriov_port.get(portbindings.VIF_DETAILS):
+            src_vlans = sriov_port[portbindings.VIF_DETAILS].get('vlan')
+
+        LOG.debug("TaaS: pci_slot %(pci_slot)s; "
+                  "src_vlans %(src_vlans)s; ",
+                  {'pci_slot': pci_slot,
+                   'src_vlans': src_vlans})
+
+        if not pci_slot:
+            LOG.error("No PCI Slot for sriov_port %(id)s with MAC %(mac)s; ",
+                      {'id': sriov_port['id'], 'mac': port_mac})
+            return
+
+        vf_index = self.get_vf_num_by_pci_address(pci_slot)
+
+        pf_device = self.get_ifname_by_pci_address(pci_slot, True)
+
+        return {'mac': port_mac, 'pci_slot': pci_slot,
+                'vf_index': vf_index, 'pf_device': pf_device,
+                'src_vlans': src_vlans}

neutron_taas/services/taas/service_drivers/taas_agent_api.py

@@ -21,15 +21,6 @@ import oslo_messaging as messaging
 LOG = logging.getLogger(__name__)
 
 
-class TaasCallbacks(object):
-    """Currently there are no callbacks to the Taas Plugin."""
-
-    def __init__(self, plugin):
-        super(TaasCallbacks, self).__init__()
-        self.plugin = plugin
-        return
-
-
 class TaasAgentApi(object):
     """RPC calls to agent APIs"""
 

neutron_taas/services/taas/service_drivers/taas_rpc.py

@@ -1,3 +1,4 @@
+# Copyright (C) 2018 AT&T
 # Copyright (C) 2016 Midokura SARL.
 # Copyright (C) 2015 Ericsson AB
 # Copyright (c) 2015 Gigamon
@@ -14,25 +15,89 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+from neutron_lib.api.definitions import portbindings
+from neutron_lib import constants
 from neutron_lib import exceptions as n_exc
 from neutron_lib import rpc as n_rpc
+
+from neutron_taas.common import constants as taas_consts
 from neutron_taas.common import topics
 from neutron_taas.services.taas import service_drivers
+from neutron_taas.services.taas.service_drivers import (service_driver_context
+                                                        as sd_context)
 from neutron_taas.services.taas.service_drivers import taas_agent_api
+from neutron_taas.services.taas.taas_plugin import TaasPlugin
 
 from oslo_config import cfg
 from oslo_log import log as logging
+from oslo_utils import excutils
 
 LOG = logging.getLogger(__name__)
 
 
+class TaasCallbacks(object):
+
+    def __init__(self, rpc_driver, plugin):
+        super(TaasCallbacks, self).__init__()
+        self.rpc_driver = rpc_driver
+        self.plugin = plugin
+        return
+
+    def sync_tap_resources(self, context, sync_tap_res, host):
+        """Handle Rpc from Agent to sync up Tap resources."""
+        LOG.debug("In RPC Call for Sync Tap Resources: MSG=%s" % sync_tap_res)
+
+        # Get list of configured tap-services
+        active_tss = self.plugin.get_tap_services(
+            context,
+            filters={'status': [constants.ACTIVE]})
+
+        for ts in active_tss:
+            # If tap-service port is bound to a different host than the one
+            # which sent this RPC, then continue.
+            ts_port = self.plugin._get_port_details(
+                context, ts['port_id'])
+            if ts_port['binding:host_id'] != host:
+                continue
+
+            driver_context = sd_context.TapServiceContext(self.plugin,
+                                                          context, ts)
+            try:
+                self.rpc_driver.create_tap_service_postcommit(driver_context)
+            except Exception:
+                with excutils.save_and_reraise_exception():
+                    LOG.error("Failed to create tap service on driver,"
+                              "deleting tap_service %s", ts['id'])
+                    super(TaasPlugin, self.plugin).delete_tap_service(
+                        context, ts['id'])
+
+            # Get all the active tap flows for current tap-service
+            active_tfs = self.plugin.get_tap_flows(
+                context,
+                filters={'tap_service_id': [ts['id']],
+                         'status': [constants.ACTIVE]})
+
+            # Filter out the tap flows associated with distinct tap services
+            for tf in active_tfs:
+                driver_context = sd_context.TapFlowContext(self.plugin,
+                                                           context, tf)
+                try:
+                    self.rpc_driver.create_tap_flow_postcommit(driver_context)
+                except Exception:
+                    with excutils.save_and_reraise_exception():
+                        LOG.error("Failed to create tap flow on driver,"
+                                  "deleting tap_flow %s", tf['id'])
+                        super(TaasPlugin, self.plugin).delete_tap_flow(
+                            context, tf['id'])
+
+
 class TaasRpcDriver(service_drivers.TaasBaseDriver):
     """Taas Rpc Service Driver class"""
 
     def __init__(self, service_plugin):
         LOG.debug("Loading TaasRpcDriver.")
         super(TaasRpcDriver, self).__init__(service_plugin)
-        self.endpoints = [taas_agent_api.TaasCallbacks(service_plugin)]
+        self.endpoints = [TaasCallbacks(self, service_plugin)]
         self.conn = n_rpc.Connection()
         self.conn.create_consumer(topics.TAAS_PLUGIN,
                                   self.endpoints, fanout=False)
@@ -125,12 +190,19 @@ class TaasRpcDriver(service_drivers.TaasBaseDriver):
                                                      tf['source_port'])
         host = port['binding:host_id']
         port_mac = port['mac_address']
+        # Extract the tap-service port
+        ts = self.service_plugin.get_tap_service(context._plugin_context,
+                                                 tf['tap_service_id'])
+        ts_port = self.service_plugin._get_port_details(
+            context._plugin_context, ts['port_id'])
+
         # Send RPC message to both the source port host and
         # tap service(destination) port host
         rpc_msg = {'tap_flow': tf,
                    'port_mac': port_mac,
                    'taas_id': taas_id,
-                   'port': port}
+                   'port': port,
+                   'tap_service_port': ts_port}
 
         self.agent_rpc.create_tap_flow(context._plugin_context, rpc_msg, host)
         return
@@ -147,12 +219,59 @@ class TaasRpcDriver(service_drivers.TaasBaseDriver):
                                                      tf['source_port'])
         host = port['binding:host_id']
         port_mac = port['mac_address']
+        # Extract the tap-service port
+        ts = self.service_plugin.get_tap_service(context._plugin_context,
+                                                 tf['tap_service_id'])
+        ts_port = self.service_plugin._get_port_details(
+            context._plugin_context, ts['port_id'])
+
+        src_vlans_list = []
+        vlan_filter_list = []
+
+        if port.get(portbindings.VNIC_TYPE) == portbindings.VNIC_DIRECT:
+            # Get all the tap Flows that are associated with the Tap service
+            active_tfs = self.service_plugin.get_tap_flows(
+                context._plugin_context,
+                filters={'tap_service_id': [tf['tap_service_id']],
+                         'status': [constants.ACTIVE]},
+                fields=['source_port', 'vlan_filter'])
+
+            for tap_flow in active_tfs:
+                source_port = self.service_plugin._get_port_details(
+                    context._plugin_context, tap_flow['source_port'])
+
+                LOG.debug("taas: active TF's source_port %(source_port)s",
+                          {'source_port': source_port})
+
+                src_vlans = ""
+                if source_port.get(portbindings.VIF_DETAILS):
+                    src_vlans = source_port[portbindings.VIF_DETAILS].get(
+                        portbindings.VIF_DETAILS_VLAN)
+
+                # If no VLAN filter configured on source port,
+                # then include all vlans
+                if not src_vlans or src_vlans == '0':
+                    src_vlans = taas_consts.VLAN_RANGE
+
+                src_vlans_list.append(src_vlans)
+
+                vlan_filter = tap_flow['vlan_filter']
+                # If no VLAN filter configured for tap-flow,
+                # then include all vlans
+                if not vlan_filter:
+                    vlan_filter = taas_consts.VLAN_RANGE
+
+                vlan_filter_list.append(vlan_filter)
+
         # Send RPC message to both the source port host and
         # tap service(destination) port host
         rpc_msg = {'tap_flow': tf,
                    'port_mac': port_mac,
                    'taas_id': taas_id,
-                   'port': port}
+                   'port': port,
+                   'tap_service_port': ts_port,
+                   'source_vlans_list': src_vlans_list,
+                   'vlan_filter_list': vlan_filter_list}
 
         self.agent_rpc.delete_tap_flow(context._plugin_context, rpc_msg, host)
         return

neutron_taas/services/taas/taas_plugin.py

@@ -22,7 +22,7 @@ from neutron_lib.callbacks import registry
 from neutron_lib.callbacks import resources
 from neutron_lib import exceptions as n_exc
 
-from neutron_taas.common import constants
+from neutron_taas.common import constants as taas_consts
 from neutron_taas.db import taas_db
 from neutron_taas.extensions import taas as taas_ex
 from neutron_taas.services.taas.service_drivers import (service_driver_context
@@ -43,14 +43,16 @@ def add_provider_configuration(type_manager, service_type):
 @registry.has_registry_receivers
 class TaasPlugin(taas_db.Taas_db_Mixin):
 
-    supported_extension_aliases = ["taas"]
+    supported_extension_aliases = ["taas",
+                                   "taas-vlan-filter"]
     path_prefix = "/taas"
 
     def __init__(self):
 
         LOG.debug("TAAS PLUGIN INITIALIZED")
         self.service_type_manager = st_db.ServiceTypeManager.get_instance()
-        add_provider_configuration(self.service_type_manager, constants.TAAS)
+        add_provider_configuration(self.service_type_manager,
+                                   taas_consts.TAAS)
         self._load_drivers()
         self.driver = self._get_driver_for_provider(self.default_provider)
 
@@ -59,7 +61,7 @@ class TaasPlugin(taas_db.Taas_db_Mixin):
     def _load_drivers(self):
         """Loads plugin-drivers specified in configuration."""
         self.drivers, self.default_provider = service_base.load_drivers(
-            'TAAS', self)
+            taas_consts.TAAS, self)
 
     def _get_driver_for_provider(self, provider):
         if provider in self.drivers:

neutron_taas/taas_client/tapflow.py

@@ -1,3 +1,4 @@
+# Copyright (C) 2018 AT&T
 # Copyright 2015 NEC Corporation
 # All Rights Reserved
 #
@@ -47,7 +48,8 @@ class ListTapFlow(extension.ClientExtensionList, TapFlow):
     """List tap flows."""
 
     shell_command = 'tap-flow-list'
-    list_columns = ['id', 'name', 'source_port', 'tap_service_id', 'status']
+    list_columns = ['id', 'name', 'source_port', 'tap_service_id', 'status',
+                    'vlan_filter']
     pagination_support = True
     sorting_support = True
 
@@ -77,6 +79,11 @@ class CreateTapFlow(extension.ClientExtensionCreate, TapFlow):
             choices=['IN', 'OUT', 'BOTH'],
             type=utils.convert_to_uppercase,
             help=_('Direction of the Tap flow.'))
+        parser.add_argument(
+            '--vlan-filter',
+            required=False,
+            metavar="VLAN_FILTER",
+            help=_('VLAN Ids to be mirrored in the form of range string.'))
 
     def args2body(self, parsed_args):
         client = self.get_client()
@@ -88,7 +95,8 @@ class CreateTapFlow(extension.ClientExtensionCreate, TapFlow):
             parsed_args.tap_service)
         body = {'source_port': source_port,
                 'tap_service_id': tap_service_id}
-        neutronv20.update_dict(parsed_args, body, ['tenant_id', 'direction'])
+        neutronv20.update_dict(parsed_args, body, ['tenant_id', 'direction',
+                                                   'vlan_filter'])
         _updatable_args2body(parsed_args, body)
         return {self.resource: body}
 

neutron_taas/tests/base.py

@@ -0,0 +1,18 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+from oslotest import base
+
+
+class TaasTestCase(base.BaseTestCase):
+    """Test case base class for all unit tests."""

neutron_taas/tests/unit/db/test_taas_db.py

@@ -46,14 +46,16 @@ class TaaSDbTestCase(testlib_api.SqlTestCase):
                                 "port_id": port_id}}
 
     def _get_tap_flow_data(self, tap_service_id, name='tf-1',
-                           direction='BOTH', source_port=None):
+                           direction='BOTH', source_port=None,
+                           vlan_filter=None):
         source_port = source_port or _uuid()
         return {"tap_flow": {"name": name,
                              "tenant_id": self.tenant_id,
                              "description": "test tap flow",
                              "tap_service_id": tap_service_id,
                              "source_port": source_port,
-                             "direction": direction}}
+                             "direction": direction,
+                             "vlan_filter": vlan_filter}}
 
     def _get_tap_service(self, tap_service_id):
         """Helper method to retrieve tap service."""
@@ -180,6 +182,25 @@ class TaaSDbTestCase(testlib_api.SqlTestCase):
         self.assertEqual(tf_direction, tf['direction'])
         self.assertEqual(tf_source_port, tf['source_port'])
 
+    def test_tap_flow_create_with_vlan_filter(self):
+        """Test to create a tap flow (with vlan_filter) in the database."""
+        ts_data = self._get_tap_service_data()
+        ts = self._create_tap_service(ts_data)
+        tf_name = 'test-tap-flow'
+        tf_direction = 'IN'
+        tf_source_port = _uuid()
+        tf_vlan_filter = '9-18,27,36-45'
+        tf_data = self._get_tap_flow_data(tap_service_id=ts['id'],
+                                          name=tf_name,
+                                          source_port=tf_source_port,
+                                          direction=tf_direction,
+                                          vlan_filter=tf_vlan_filter)
+        tf = self._create_tap_flow(tf_data)
+        self.assertEqual(tf_name, tf['name'])
+        self.assertEqual(tf_direction, tf['direction'])
+        self.assertEqual(tf_source_port, tf['source_port'])
+        self.assertEqual(tf_vlan_filter, tf['vlan_filter'])
+
     def test_tap_flow_list(self):
         """Test to retrieve all tap flows from the database."""
         ts_data = self._get_tap_service_data()

neutron_taas/tests/unit/extensions/test_taas.py

@@ -72,6 +72,9 @@ class TaasExtensionTestCase(test_api_v2_extension.ExtensionTestCase):
     def test_delete_tap_service(self):
         self._test_entity_delete('tap_service')
 
+    def _get_expected_tap_flow(self, data):
+        return data
+
     def test_create_tap_flow(self):
         tenant_id = _uuid()
         tap_flow_data = {
@@ -84,7 +87,8 @@ class TaasExtensionTestCase(test_api_v2_extension.ExtensionTestCase):
             'project_id': tenant_id,
         }
         data = {'tap_flow': tap_flow_data}
-        expected_ret_val = copy.copy(data['tap_flow'])
+        expected_data = self._get_expected_tap_flow(data)
+        expected_ret_val = copy.copy(expected_data['tap_flow'])
         expected_ret_val.update({'id': _uuid()})
         instance = self.plugin.return_value
         instance.create_tap_flow.return_value = expected_ret_val
@@ -94,7 +98,7 @@ class TaasExtensionTestCase(test_api_v2_extension.ExtensionTestCase):
                             content_type='application/%s' % self.fmt)
         instance.create_tap_flow.assert_called_with(
             mock.ANY,
-            tap_flow=data)
+            tap_flow=expected_data)
         self.assertEqual(exc.HTTPCreated.code, res.status_int)
         res = self.deserialize(res)
         self.assertIn('tap_flow', res)

neutron_taas/tests/unit/extensions/test_vlan_filter.py

@@ -0,0 +1,105 @@
+# Copyright (C) 2018 AT&T
+# 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.
+
+import copy
+
+import mock
+from neutron_taas.common import constants as taas_consts
+from neutron_taas.extensions import taas as taas_ext
+from neutron_taas.extensions import vlan_filter as vlan_filter_ext
+from neutron_taas.tests.unit.extensions import test_taas as test_taas_ext
+from oslo_utils import uuidutils
+from webob import exc
+
+from neutron.tests.unit.api.v2 import test_base as test_api_v2
+import webtest
+
+
+_uuid = uuidutils.generate_uuid
+_get_path = test_api_v2._get_path
+
+
+class VlanFilterExtensionTestCase(test_taas_ext.TaasExtensionTestCase):
+    def setUp(self):
+        super(test_taas_ext.TaasExtensionTestCase, self).setUp()
+
+        attr_map = taas_ext.RESOURCE_ATTRIBUTE_MAP
+        attr_map['tap_flows'].update(
+            vlan_filter_ext.EXTENDED_ATTRIBUTES_2_0['tap_flows'])
+        self.setup_extension(
+            'neutron_taas.extensions.taas.TaasPluginBase',
+            'TAAS',
+            taas_ext.Taas,
+            'taas',
+            plural_mappings={}
+        )
+
+    def _get_expected_tap_flow(self, data):
+        ret = super(VlanFilterExtensionTestCase,
+                    self)._get_expected_tap_flow(data)
+        ret['tap_flow'].update(
+            vlan_filter=data['tap_flow'].get('vlan_filter', None))
+        return ret
+
+    def test_create_tap_flow_with_vlan_filter(self):
+        tenant_id = _uuid()
+        tap_flow_data = {
+            'tenant_id': tenant_id,
+            'name': 'MyTapFlow',
+            'description': 'This is my tap flow',
+            'direction': 'BOTH',
+            'tap_service_id': _uuid(),
+            'source_port': _uuid(),
+            'project_id': tenant_id,
+            'vlan_filter': taas_consts.VLAN_RANGE,
+        }
+        data = {'tap_flow': tap_flow_data}
+        expected_data = self._get_expected_tap_flow(data)
+        expected_ret_val = copy.copy(expected_data['tap_flow'])
+        expected_ret_val.update({'id': _uuid()})
+        instance = self.plugin.return_value
+        instance.create_tap_flow.return_value = expected_ret_val
+
+        res = self.api.post(
+            _get_path(test_taas_ext.TAP_FLOW_PATH, fmt=self.fmt),
+            self.serialize(data),
+            content_type='application/%s' % self.fmt)
+        instance.create_tap_flow.assert_called_with(
+            mock.ANY,
+            tap_flow=expected_data)
+        self.assertEqual(exc.HTTPCreated.code, res.status_int)
+        res = self.deserialize(res)
+        self.assertIn('tap_flow', res)
+        self.assertEqual(expected_ret_val, res['tap_flow'])
+
+    def test_create_tap_flow_invalid_vlan_filter_value(self):
+        tenant_id = _uuid()
+        tap_flow_data = {
+            'tenant_id': tenant_id,
+            'name': 'MyTapFlow',
+            'description': 'This is my tap flow',
+            'direction': 'BOTH',
+            'tap_service_id': _uuid(),
+            'source_port': _uuid(),
+            'project_id': tenant_id,
+            'vlan_filter': '10-25,',
+        }
+        data = {'tap_flow': tap_flow_data}
+        self.assertRaises(
+            webtest.app.AppError,
+            self.api.post,
+            _get_path(test_taas_ext.TAP_FLOW_PATH, fmt=self.fmt),
+            self.serialize(data),
+            content_type='application/%s' % self.fmt)

neutron_taas/tests/unit/services/drivers/test_linux_sriov_nic_driver.py

@@ -0,0 +1,224 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+
+
+import copy
+import mock
+
+from neutron_taas.services.taas.drivers.linux import sriov_nic_exceptions \
+    as taas_exc
+from neutron_taas.services.taas.drivers.linux import sriov_nic_taas
+from neutron_taas.tests import base
+
+FAKE_PORT_PARAMS = {
+    'mac': '52:54:00:12:35:02', 'pci_slot': 3, 'vf_index': '89',
+    'pf_device': 'net_enp0s3_52_54_00_12_35_02', 'src_vlans': '20'}
+
+FAKE_TAP_SERVICE = {'port': {
+    'id': 'fake_1', 'mac_address': "52:54:00:12:35:02",
+    'binding:profile': {'pci_slot': 3},
+    'binding:vif_details': {'vlan': '20'}}}
+
+FAKE_TAP_FLOW = {'port': FAKE_TAP_SERVICE['port'],
+                 'ts_port': FAKE_TAP_SERVICE['port'],
+                 'source_vlans_list': ['4-6', '8-10', '15-18,20'],
+                 'vlan_filter_list': '1-5,9,18,20,27-30,4000-4095',
+                 'tap_flow': {'direction': 'IN', 'vlan_filter': '20'}}
+
+
+class TestSriovNicTaas(base.TaasTestCase):
+    def setUp(self):
+        super(TestSriovNicTaas, self).setUp()
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_create_tap_service(self, mock_sriov_utils):
+        tap_service = FAKE_TAP_SERVICE
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            return_value = FAKE_PORT_PARAMS
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        obj.create_tap_service(tap_service)
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            assert_called_once_with(tap_service['port'])
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_create_tap_service_no_pf_device_and_vf_index(
+            self, mock_sriov_utils):
+        tap_service = FAKE_TAP_SERVICE
+        temp_fake_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        temp_fake_port_params['pf_device'] = None
+        temp_fake_port_params['vf_index'] = None
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            return_value = FAKE_PORT_PARAMS
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertIsNone(obj.create_tap_service(tap_service))
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            assert_called_once_with(tap_service['port'])
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_delete_tap_service(self, mock_sriov_utils):
+        tap_service = FAKE_TAP_SERVICE
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            return_value = FAKE_PORT_PARAMS
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        obj.create_tap_service(tap_service)
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            assert_called_once_with(tap_service['port'])
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_delete_tap_service_no_pf_device_and_vf_index(
+            self, mock_sriov_utils):
+        tap_service = FAKE_TAP_SERVICE
+        temp_fake_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        temp_fake_port_params['pf_device'] = None
+        temp_fake_port_params['vf_index'] = None
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            return_value = FAKE_PORT_PARAMS
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertIsNone(obj.create_tap_service(tap_service))
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            assert_called_once_with(tap_service['port'])
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_create_tap_flow(self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'vlan_filter_list': '1-5,9,18,20,27-30,4000-4095',
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': '20'}}
+        src_port_params = ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        obj.create_tap_flow(tap_flow)
+        mock_sriov_utils.SriovNicUtils().execute_sysfs_command.\
+            assert_called_once_with('add', ts_port_params, src_port_params,
+                                    '20', False, 'IN')
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_create_tap_flow_no_vlan_filter_on_source_and_probe(
+            self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': '20'}}
+        src_port_params = ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params['vlan_filter'] = None
+        src_port_params['src_vlans'] = None
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        obj.create_tap_flow(tap_flow)
+        mock_sriov_utils.SriovNicUtils().execute_sysfs_command.\
+            assert_called_once_with('add', ts_port_params, src_port_params,
+                                    '20', False, 'IN')
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_create_tap_flow_no_source_pci_slot(
+            self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': 20}}
+        src_port_params = ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        src_port_params['pci_slot'] = None
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertRaises(
+            taas_exc.PciSlotNotFound, obj.create_tap_flow, tap_flow)
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_create_tap_flow_no_ts_pci_slot(
+            self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': 20}}
+        src_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params['pci_slot'] = None
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertRaises(
+            taas_exc.PciSlotNotFound, obj.create_tap_flow, tap_flow)
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_create_tap_flow_different_pf_devices(
+            self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': 20}}
+        src_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params['pf_device'] = 'net_enp0s3_52_54_00_12_35_02'
+        src_port_params['pf_device'] = 'net_enp0s8_52_54_00_12_35_01'
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertIsNotNone(obj.create_tap_flow, tap_flow)
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_delete_tap_flow(self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'source_vlans_list': ['4-6', '8-10', '15-18,20'],
+                    'vlan_filter_list': ['1-5,9,18,20,27-30,4000-4095'],
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': '20'}}
+        src_port_params = ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertIsNone(obj.delete_tap_flow(tap_flow))
+        self.assertEqual(2, mock_sriov_utils.SriovNicUtils().
+                         execute_sysfs_command.call_count)
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_delete_tap_flow_no_source_pci_slot(
+            self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'source_vlans_list': [4, 5, 9],
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': 20}}
+        src_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        src_port_params['pci_slot'] = None
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertRaises(taas_exc.PciSlotNotFound, obj.delete_tap_flow,
+                          tap_flow)
+
+    @mock.patch.object(sriov_nic_taas, 'sriov_utils')
+    def test_delete_tap_flow_no_ts_pci_slot(
+            self, mock_sriov_utils):
+        tap_flow = {'port': FAKE_TAP_SERVICE['port'],
+                    'tap_service_port': FAKE_TAP_SERVICE['port'],
+                    'tap_flow': {'direction': 'IN', 'vlan_filter': 20}}
+        src_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params = copy.deepcopy(FAKE_PORT_PARAMS)
+        ts_port_params['pci_slot'] = None
+        mock_sriov_utils.SriovNicUtils().get_sriov_port_params.\
+            side_effect = [src_port_params, ts_port_params]
+        obj = sriov_nic_taas.SriovNicTaasDriver()
+        obj.initialize()
+        self.assertRaises(taas_exc.PciSlotNotFound, obj.delete_tap_flow,
+                          tap_flow)

neutron_taas/tests/unit/services/drivers/test_linux_sriov_utils.py

@@ -0,0 +1,269 @@
+# Copyright (C) 2018 AT&T
+#
+# 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.
+
+
+#
+# This class implements a utility functions for SRIOV NIC Switch Driver
+#
+
+import copy
+import mock
+import re
+
+from neutron_taas.common import utils as common_utils
+from neutron_taas.services.taas.drivers.linux import sriov_nic_exceptions \
+    as taas_exc
+from neutron_taas.services.taas.drivers.linux import sriov_nic_utils
+from neutron_taas.tests import base
+
+FAKE_SRIOV_PORT = {
+    'id': 'fake_1', 'mac_address': "52:54:00:12:35:02",
+    'binding:profile': {
+        'pci_slot': None}, 'binding:vif_details': {'vlan': 20}
+    }
+
+
+class TestSriovNicUtils(base.TaasTestCase):
+    def setUp(self):
+        super(TestSriovNicUtils, self).setUp()
+
+    def test_get_sysfs_netdev_path_with_pf_interface(self):
+        self.assertEqual(
+            "/sys/bus/pci/devices/12/physfn/net",
+            sriov_nic_utils.SriovNicUtils().
+            _get_sysfs_netdev_path(12, True))
+
+    def test_get_sysfs_netdev_path_without_pf_interface(self):
+        self.assertEqual(
+            "/sys/bus/pci/devices/12/net",
+            sriov_nic_utils.SriovNicUtils().
+            _get_sysfs_netdev_path(12, False))
+
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_get_ifname_by_pci_address(self, mock_os):
+        mock_os.listdir.return_value = ['random1', 'random2']
+        self.assertEqual(sriov_nic_utils.SriovNicUtils().
+                         get_ifname_by_pci_address(12, False), 'random2')
+
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_get_ifname_by_pci_address_no_dev_info(self, mock_os):
+        mock_os.listdir.return_value = list()
+        self.assertRaises(
+            taas_exc.PciDeviceNotFoundById,
+            sriov_nic_utils.SriovNicUtils().get_ifname_by_pci_address, 12, 9)
+
+    @mock.patch.object(sriov_nic_utils, 'os')
+    @mock.patch.object(sriov_nic_utils, 'open', create=True)
+    def test_get_mac_by_pci_address(self, mock_open, mock_os):
+        mock_os.listdir.return_value = ['random1', 'random2']
+        mock_os.path.join.return_value = 'random'
+        fake_file_handle = ["52:54:00:12:35:02"]
+        fake_file_iter = fake_file_handle.__iter__()
+        mock_open.return_value.__enter__.return_value = fake_file_iter
+        self.assertEqual(
+            "52:54:00:12:35:02", sriov_nic_utils.SriovNicUtils().
+            get_mac_by_pci_address(12, False))
+
+    @mock.patch.object(sriov_nic_utils, 'os')
+    @mock.patch.object(sriov_nic_utils, 'open', create=True)
+    def test_get_mac_by_pci_address_no_content(self, mock_open, mock_os):
+        mock_os.listdir.return_value = ['random1', 'random2']
+        mock_os.path.join.return_value = 'random'
+        fake_file_handle = []
+        fake_file_iter = fake_file_handle.__iter__()
+        mock_open.return_value.__enter__.return_value = fake_file_iter
+        self.assertRaises(
+            taas_exc.PciDeviceNotFoundById,
+            sriov_nic_utils.SriovNicUtils().get_mac_by_pci_address, 12, False)
+
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_get_mac_by_pci_address_wrong_dev_path(self, mock_os):
+        mock_os.listdir.return_value = ['random1', 'random2']
+        mock_os.path.join.return_value = 'random'
+        self.assertRaises(
+            taas_exc.PciDeviceNotFoundById,
+            sriov_nic_utils.SriovNicUtils().get_mac_by_pci_address, 12, False)
+
+    @mock.patch.object(sriov_nic_utils, 'os')
+    @mock.patch.object(sriov_nic_utils, 'open', create=True)
+    def test_get_net_name_by_vf_pci_address(self, mock_open, mock_os):
+        mock_os.listdir.return_value = ['enp0s3', 'enp0s2']
+        mock_os.path.join.return_value = 'random'
+        fake_file_handle = ["52:54:00:12:35:02"]
+        fake_file_iter = fake_file_handle.__iter__()
+        mock_open.return_value.__enter__.return_value = fake_file_iter
+        self.assertEqual(
+            'net_enp0s3_52_54_00_12_35_02',
+            sriov_nic_utils.SriovNicUtils().
+            get_net_name_by_vf_pci_address(12))
+
+    def _common_merge_utility(self, value):
+        output_list = list()
+        for v in value:
+            output_list.append(v)
+        return output_list
+
+    def test_get_ranges_str_from_list(self):
+        input_list = [4, 11, 12, 13, 25, 26, 27]
+        self.assertEqual("4,11-13,25-27", common_utils.
+                         get_ranges_str_from_list(input_list))
+
+    def test_get_list_from_ranges_str(self):
+        input_str = "4,6,10-13,25-27"
+        expected_output = [4, 6, 10, 11, 12, 13, 25, 26, 27]
+        self.assertEqual(expected_output, common_utils.
+                         get_list_from_ranges_str(input_str))
+
+    def test_get_vf_num_by_pci_address_neg(self):
+        self.assertRaises(
+            taas_exc.PciDeviceNotFoundById,
+            sriov_nic_utils.SriovNicUtils().get_vf_num_by_pci_address, 12)
+
+    @mock.patch.object(sriov_nic_utils, 'glob')
+    @mock.patch.object(sriov_nic_utils, 're')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_get_vf_num_by_pci_address(self, mock_os, mock_re, mock_glob):
+        mock_glob.iglob.return_value = ['file1']
+        mock_os.readlink.return_value = 12
+        mock_re.compile().search.return_value = re.match(r"(\d+)", "89")
+        self.assertEqual(
+            '89', sriov_nic_utils.SriovNicUtils().
+            get_vf_num_by_pci_address(12))
+
+    @mock.patch.object(sriov_nic_utils, 'glob')
+    @mock.patch.object(sriov_nic_utils, 're')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    @mock.patch.object(sriov_nic_utils, 'open', create=True)
+    @mock.patch.object(sriov_nic_utils, 'portbindings')
+    def test_get_sriov_port_params(self, mock_port_bindings, mock_open,
+                                   mock_os, mock_re, mock_glob):
+        sriov_port = copy.deepcopy(FAKE_SRIOV_PORT)
+        fake_profile = mock_port_bindings.PROFILE = 'binding:profile'
+        mock_port_bindings.VIF_DETAILS = 'binding:vif_details'
+        sriov_port[fake_profile]['pci_slot'] = 3
+        mock_glob.iglob.return_value = ['file1']
+        mock_os.readlink.return_value = 12
+        mock_re.compile().search.return_value = re.match(r"(\d+)", "89")
+        mock_os.listdir.return_value = ['net_enp0s2_52_54_00_12_35_02',
+                                        'net_enp0s3_52_54_00_12_35_02']
+        mock_os.path.join.return_value = 'random'
+        fake_file_handle = ["52:54:00:12:35:02"]
+        fake_file_iter = fake_file_handle.__iter__()
+        mock_open.return_value.__enter__.return_value = fake_file_iter
+        expected_output = {
+            'mac': '52:54:00:12:35:02', 'pci_slot': 3, 'vf_index': '89',
+            'pf_device': 'net_enp0s3_52_54_00_12_35_02', 'src_vlans': 20}
+        self.assertEqual(
+            expected_output, sriov_nic_utils.SriovNicUtils().
+            get_sriov_port_params(sriov_port))
+
+    @mock.patch.object(sriov_nic_utils, 'glob')
+    @mock.patch.object(sriov_nic_utils, 're')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    @mock.patch.object(sriov_nic_utils, 'open', create=True)
+    @mock.patch.object(sriov_nic_utils, 'portbindings')
+    def test_get_sriov_port_params_no_pci_slot(self, mock_port_bindings,
+                                               mock_open, mock_os, mock_re,
+                                               mock_glob):
+        sriov_port = copy.deepcopy(FAKE_SRIOV_PORT)
+        mock_port_bindings.PROFILE = 'binding:profile'
+        mock_port_bindings.VIF_DETAILS = 'binding:vif_details'
+        mock_glob.iglob.return_value = ['file1']
+        mock_os.readlink.return_value = 12
+        mock_re.compile().search.return_value = re.match(r"(\d+)", "89")
+        mock_os.listdir.return_value = ['enp0s3', 'enp0s2']
+        mock_os.path.join.return_value = 'random'
+        fake_file_handle = ["52:54:00:12:35:02"]
+        fake_file_iter = fake_file_handle.__iter__()
+        mock_open.return_value.__enter__.return_value = fake_file_iter
+        self.assertIsNone(sriov_nic_utils.SriovNicUtils().
+                          get_sriov_port_params(sriov_port))
+
+    @mock.patch.object(sriov_nic_utils, 'utils')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_execute_sysfs_command_egress_add(self, mock_os,
+                                              mock_neutron_utils):
+        sriov_nic_utils.SriovNicUtils().execute_sysfs_command(
+            'add', {'pf_device': 'p2p1', 'vf_index': '9'}, {'vf_index': '18'},
+            "4,11-13", True, "OUT")
+        egress_cmd = ['i40e_sysfs_command', 'p2p1', '18',
+                      'egress_mirror', 'add', '9']
+        mock_neutron_utils.execute.assert_called_once_with(
+            egress_cmd, run_as_root=True)
+
+    @mock.patch.object(sriov_nic_utils, 'utils')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_execute_sysfs_command_ingress_add(self, mock_os,
+                                               mock_neutron_utils):
+        sriov_nic_utils.SriovNicUtils().execute_sysfs_command(
+            'add', {'pf_device': 'p2p1', 'vf_index': '9'}, {'vf_index': '18'},
+            "4,11-13", True, "IN")
+        ingress_cmd = ['i40e_sysfs_command', 'p2p1', '18',
+                       'ingress_mirror', 'add', '9']
+        mock_neutron_utils.execute.assert_called_once_with(
+            ingress_cmd, run_as_root=True)
+
+    @mock.patch.object(sriov_nic_utils, 'utils')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_execute_sysfs_command_both_add(
+            self, mock_os, mock_neutron_utils):
+        sriov_nic_utils.SriovNicUtils().execute_sysfs_command(
+            'add', {'pf_device': 'p2p1', 'vf_index': '9'}, {'vf_index': '18'},
+            "4,11-13", True, "BOTH")
+        self.assertEqual(2, mock_neutron_utils.execute.call_count)
+
+    @mock.patch.object(sriov_nic_utils, 'utils')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_execute_sysfs_command_egress_rem(self, mock_os,
+                                              mock_neutron_utils):
+        sriov_nic_utils.SriovNicUtils().execute_sysfs_command(
+            'rem', {'pf_device': 'p2p1', 'vf_index': '9'}, {'vf_index': '18'},
+            "4,11-13", True, "OUT")
+        egress_cmd = ['i40e_sysfs_command', 'p2p1', '18',
+                      'egress_mirror', 'rem', '9']
+        mock_neutron_utils.execute.assert_called_once_with(
+            egress_cmd, run_as_root=True)
+
+    @mock.patch.object(sriov_nic_utils, 'utils')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_execute_sysfs_command_ingress_rem(self, mock_os,
+                                               mock_neutron_utils):
+        sriov_nic_utils.SriovNicUtils().execute_sysfs_command(
+            'rem', {'pf_device': 'p2p1', 'vf_index': '9'}, {'vf_index': '18'},
+            "4,11-13", True, "IN")
+        ingress_cmd = ['i40e_sysfs_command', 'p2p1', '18',
+                       'ingress_mirror', 'rem', '9']
+        mock_neutron_utils.execute.assert_called_once_with(
+            ingress_cmd, run_as_root=True)
+
+    @mock.patch.object(sriov_nic_utils, 'utils')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_execute_sysfs_command_both_rem(
+            self, mock_os, mock_neutron_utils):
+        sriov_nic_utils.SriovNicUtils().execute_sysfs_command(
+            'rem', {'pf_device': 'p2p1', 'vf_index': '9'}, {'vf_index': '18'},
+            "4,11-13", True, "BOTH")
+        self.assertEqual(2, mock_neutron_utils.execute.call_count)
+
+    @mock.patch.object(sriov_nic_utils, 'utils')
+    @mock.patch.object(sriov_nic_utils, 'os')
+    def test_execute_sysfs_command_not_both_vf_to_vf_all_vlans_False(
+            self, mock_os, mock_neutron_utils):
+        cmd = ['i40e_sysfs_command', 'p2p1', '9',
+               'vlan_mirror', 'rem', '4,11-13']
+        sriov_nic_utils.SriovNicUtils().execute_sysfs_command(
+            'rem', {'pf_device': 'p2p1', 'vf_index': '9'}, {'vf_index': '18'},
+            "4,11-13", False, "FAKE")
+        mock_neutron_utils.execute.assert_called_once_with(
+            cmd, run_as_root=True)

neutron_taas/tests/unit/services/taas/test_taas_plugin.py

@@ -40,8 +40,6 @@ class TestTaasPlugin(testlib_api.SqlTestCase):
     def setUp(self):
         super(TestTaasPlugin, self).setUp()
         mock.patch.object(n_rpc, 'Connection', auto_spec=True).start()
-        mock.patch.object(taas_agent_api,
-                          'TaasCallbacks', auto_spec=True).start()
         mock.patch.object(taas_agent_api,
                           'TaasAgentApi', auto_spec=True).start()
         self.driver = mock.MagicMock()
@@ -70,6 +68,7 @@ class TestTaasPlugin(testlib_api.SqlTestCase):
             'port_id': self._port_id,
             'project_id': self._project_id,
         }
+        self.vlan_filter = "1-5,9,18,27-30,99-108,4000-4095"
         self._tap_flow = {
             'description': 'This is my tap flow',
             'direction': 'BOTH',
@@ -77,6 +76,7 @@ class TestTaasPlugin(testlib_api.SqlTestCase):
             'source_port': self._port_id,
             'tenant_id': self._tenant_id,
             'project_id': self._project_id,
+            'vlan_filter': self.vlan_filter,
         }
 
     @contextlib.contextmanager
@@ -115,6 +115,7 @@ class TestTaasPlugin(testlib_api.SqlTestCase):
         self._tap_flow['id'] = mock.ANY
         self._tap_flow['status'] = 'ACTIVE'
         self._tap_service['id'] = mock.ANY
+        self._tap_flow['vlan_filter'] = mock.ANY
 
         self.driver.assert_has_calls([
             mock.call.create_tap_flow_precommit(mock.ANY),

playbooks/legacy/tempest-dsvm-tap-as-a-service/run.yaml

@@ -51,7 +51,7 @@
 
           # Enable tap-as-a-service
           export PROJECTS="openstack/tap-as-a-service $PROJECTS"
-          export ENABLED_SERVICES=taas,taas_openvswitch_agent
+          export ENABLED_SERVICES=taas,taas_agent
 
           export DEVSTACK_GATE_SETTINGS=/opt/stack/new/tap-as-a-service/devstack/devstackgaterc
 

releasenotes/notes/bp-port-mirroring-sriov-vf-879bc2aa53c2c8d4.yaml

@@ -0,0 +1,13 @@
+---
+prelude: >
+    Neutron TaaS is integrated with new TaaS Agent driver (i.e. SRIOV) for
+    Intel i40e driver backend.
+features:
+  - |
+    [`blueprint port-mirroring-sriov-vf <https://blueprints.launchpad.net/neutron/+spec/port-mirroring-sriov-vf>`_]
+    * Adds a new TaaS Agent driver (i.e. SRIOV) for Intel i40e driver backend.
+    * Neutron TaaS Agent is refactored to decouple its tight binding with ovs
+      driver. This prepares the taas agent code-base for addition of a new
+      TaaS Agent driver (SRIOV).
+    * Adds a new API extension, i.e. taas-vlan-filter for adding a new
+      attribute (vlan_filter) in tap-flow data model.

requirements.txt

@@ -5,7 +5,7 @@
 pbr!=2.1.0,>=2.0.0 # Apache-2.0
 Babel!=2.4.0,>=2.3.4 # BSD
 neutron>=12.0.0  # Apache-2.0
-neutron-lib>=1.20.0 # Apache-2.0
+neutron-lib>=1.25.0 # Apache-2.0
 
 # Opt-in for neutron-lib consumption patches
 # http://lists.openstack.org/pipermail/openstack-dev/2018-September/135063.html

setup.cfg

@@ -22,6 +22,13 @@ classifier =
 packages =
     neutron_taas
 
+data_files =
+    etc/neutron/rootwrap.d =
+        etc/neutron/rootwrap.d/taas-i40e-sysfs.filters
+
+scripts =
+    bin/i40e_sysfs_command
+
 [build_sphinx]
 source-dir = doc/source
 build-dir = doc/build
@@ -54,6 +61,7 @@ neutron.agent.l2.extensions =
     taas = neutron_taas.services.taas.agents.extensions.taas:TaasAgentExtension
 neutron_taas.taas.agent_drivers =
     ovs = neutron_taas.services.taas.drivers.linux.ovs_taas:OvsTaasDriver
+    sriov = neutron_taas.services.taas.drivers.linux.sriov_nic_taas:SriovNicTaasDriver
 neutron.service_plugins =
     taas = neutron_taas.services.taas.taas_plugin:TaasPlugin
 neutron.db.alembic_migrations =