Adding support for ovs hw offloading in containers

During deployment, deploy with

-e environments/services-docker/neutron-ovs-hw-offload.yaml

along with other env files.

Change-Id: I9cd27a86e29381a220dd9c90d4ec1cec81f582e1

docker/services/neutron-ovs-agent.yaml

@@ -76,6 +76,14 @@ outputs:
         step_config:
           get_attr: [NeutronOvsAgentBase, role_data, step_config]
         config_image: {get_param: DockerNeutronConfigImage}
+        # We need to mount /run for puppet_config step. This is because
+        # puppet-vswitch runs the commands "ovs-vsctl list open_vswitch ."
+        # when running vswitch::ovs::enable_hw_offload: true
+        # ovs-vsctl talks to the ovsdb-server (hosting conf.db)
+        # on the unix domain socket - /run/openvswitch/db.sock
+        volumes:
+          - /lib/modules:/lib/modules:ro
+          - /run/openvswitch:/run/openvswitch
       kolla_config:
         /var/lib/kolla/config_files/neutron_ovs_agent.json:
           command: /usr/bin/neutron-openvswitch-agent --config-file /usr/share/neutron/neutron-dist.conf --config-file /etc/neutron/neutron.conf --config-file /etc/neutron/plugins/ml2/openvswitch_agent.ini --config-file /etc/neutron/plugins/ml2/ml2_conf.ini --config-dir /etc/neutron/conf.d/common
@@ -103,7 +111,7 @@ outputs:
               - --modulepath
               - /etc/puppet/modules:/usr/share/openstack-puppet/modules
               - --tags
-              - file,file_line,concat,augeas,neutron::plugins::ovs::bridge
+              - file,file_line,concat,augeas,neutron::plugins::ovs::bridge,vs_config
               - -v
               - -e
               - include neutron::agents::ml2::ovs

environments/services-docker/neutron-ovs-hw-offload.yaml

@@ -0,0 +1,24 @@
+# A Heat environment file that enables OVS Hardware Offload in the overcloud.
+# This works by configuring SR-IOV NIC with switchdev and OVS Hardware Offload on
+# compute nodes. The feature supported in OVS 2.8.0
+
+resource_registry:
+  OS::TripleO::Services::NeutronSriovHostConfig: ../../puppet/services/neutron-sriov-host-config.yaml
+
+parameter_defaults:
+
+  NovaSchedulerDefaultFilters: ['RetryFilter','AvailabilityZoneFilter','RamFilter','ComputeFilter','ComputeCapabilitiesFilter','ImagePropertiesFilter','ServerGroupAntiAffinityFilter','ServerGroupAffinityFilter','PciPassthroughFilter']
+  NovaSchedulerAvailableFilters: ["nova.scheduler.filters.all_filters","nova.scheduler.filters.pci_passthrough_filter.PciPassthroughFilter"]
+
+  # Kernel arguments for ComputeSriov node
+  ComputeSriovParameters:
+    KernelArgs: "intel_iommu=on iommu=pt"
+    OvsHwOffload: True
+    # Number of VFs that needs to be configured for a physical interface
+    #NeutronSriovNumVFs: ["ens3f0:4:switchdev"]
+    # Mapping of SR-IOV PF interface to neutron physical_network.
+    # In case of Vxlan/GRE physical_network should be null.
+    # In case of flat/vlan the physical_network should as configured in neutron.
+    #NovaPCIPassthrough:
+    #  - devname: "ens3f0"
+    #    physical_network: null