SDN 2316: Add GatewayConfig to OVNKubernetesConfig

operator/v1/0000_70_cluster-network-operator_01.crd.yaml

@@ -290,9 +290,24 @@ spec:
                         type: integer
                     type: object
                   ovnKubernetesConfig:
-                    description: oVNKubernetesConfig configures the ovn-kubernetes
-                      plugin. This is currently not implemented.
+                    description: ovnKubernetesConfig configures the ovn-kubernetes
+                      plugin.
                     properties:
+                      gatewayConfig:
+                        description: gatewayConfig holds the configuration for node
+                          gateway options.
+                        properties:
+                          routingViaHost:
+                            default: false
+                            description: RoutingViaHost allows pod egress traffic
+                              to exit via the ovn-k8s-mp0 management port into the
+                              host before sending it out. If this is not set, traffic
+                              will always egress directly from OVN to outside without
+                              touching the host stack. Setting this to true means
+                              hardware offload will not be supported. Default is false
+                              if GatewayConfig is specified.
+                            type: boolean
+                        type: object
                       genevePort:
                         description: geneve port is the UDP port to be used by geneve
                           encapulation. Default is 6081

operator/v1/types_network.go

@@ -139,8 +139,7 @@ type DefaultNetworkDefinition struct {
 	// +optional
 	OpenShiftSDNConfig *OpenShiftSDNConfig `json:"openshiftSDNConfig,omitempty"`
 
-	// oVNKubernetesConfig configures the ovn-kubernetes plugin. This is currently
-	// not implemented.
+	// ovnKubernetesConfig configures the ovn-kubernetes plugin.
 	// +optional
 	OVNKubernetesConfig *OVNKubernetesConfig `json:"ovnKubernetesConfig,omitempty"`
 
@@ -374,6 +373,9 @@ type OVNKubernetesConfig struct {
 	// reported defaults are used.
 	// +optional
 	PolicyAuditConfig *PolicyAuditConfig `json:"policyAuditConfig,omitempty"`
+	// gatewayConfig holds the configuration for node gateway options.
+	// +optional
+	GatewayConfig *GatewayConfig `json:"gatewayConfig,omitempty"`
 }
 
 type HybridOverlayConfig struct {
@@ -388,6 +390,17 @@ type HybridOverlayConfig struct {
 type IPsecConfig struct {
 }
 
+// GatewayConfig holds node gateway-related parsed config file parameters and command-line overrides
+type GatewayConfig struct {
+	// RoutingViaHost allows pod egress traffic to exit via the ovn-k8s-mp0 management port
+	// into the host before sending it out. If this is not set, traffic will always egress directly
+	// from OVN to outside without touching the host stack. Setting this to true means hardware
+	// offload will not be supported. Default is false if GatewayConfig is specified.
+	// +kubebuilder:default:=false
+	// +optional
+	RoutingViaHost bool `json:"routingViaHost,omitempty"`
+}
+
 type ExportNetworkFlows struct {
 	// netFlow defines the NetFlow configuration.
 	// +optional