Add OVS Hardware Offloading to OVN

Change-Id: Ibe2d12c5befaab20510ddf2d1f8ed15f792774a3

manifests/controller.pp

@@ -33,6 +33,11 @@
 #   (optional) Name of the integration bridge.
 #   Defaults to 'br-int'
 #
+# [*enable_hw_offload*]
+#   (optional) Configure OVS to use
+#   Hardware Offload. This feature is
+#   supported from ovs 2.8.0.
+#   Defaults to False.
 class ovn::controller(
   $ovn_remote,
   $ovn_encap_ip,
@@ -41,6 +46,7 @@ class ovn::controller(
   $bridge_interface_mappings = [],
   $hostname                  = $::fqdn,
   $ovn_bridge                = 'br-int',
+  $enable_hw_offload         = false,
 ) {
   include ::ovn::params
   include ::vswitch::ovs
@@ -89,6 +95,12 @@ class ovn::controller(
     $bridge_items = {}
   }
 
-  create_resources('vs_config', merge($config_items, $bridge_items))
+  if $enable_hw_offload {
+    $hw_offload = { 'other_config:hw-offload' => { 'value' => bool2str($enable_hw_offload) } }
+  }else {
+    $hw_offload = {}
+  }
+
+  create_resources('vs_config', merge($config_items, $bridge_items, $hw_offload))
   Service['openvswitch'] -> Vs_config<||> -> Service['controller']
 }

spec/classes/ovn_controller_spec.rb

@@ -9,7 +9,8 @@ describe 'ovn::controller' do
       :ovn_bridge_mappings       => ['physnet-1:br-1'],
       :ovn_bridge                => 'br-int',
       :bridge_interface_mappings => ['br-1:eth1'],
-      :hostname                  => 'server1.example.com'
+      :hostname                  => 'server1.example.com',
+      :enable_hw_offload         => false
     }
   end