Add DpuNetwork CRD and controller

Introduce DpuNetwork custom resource and reconciler: maintains
dpu-device-plugin-config ConfigMap and NADs per network, with
finalizer cleanup on delete. Includes RBAC, examples and test.

Signed-off-by: Alkama Hasan <alkamah@marvell.com>

Author: alkama-hasan

api/v1/dpunetwork_types.go

@@ -0,0 +1,85 @@
+/*
+Copyright 2024.
+
+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.
+*/
+
+package v1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// DpuNetworkSpec defines the desired state of DpuNetwork.
+type DpuNetworkSpec struct {
+	// NodeSelector specifies which nodes this DpuNetwork should apply to.
+	// If empty, the DpuNetwork will apply to all nodes.
+	// +optional
+	NodeSelector *metav1.LabelSelector `json:"nodeSelector,omitempty"`
+
+	// DpuSelector specifies which DPUs (and their VFs) this DpuNetwork targets.
+	//
+	// Note: Today this is treated as an opaque selector definition; the controller
+	// parses vfId ranges from matchExpressions (if present) but does not yet
+	// validate against a per-VF inventory.
+	// +optional
+	DpuSelector *metav1.LabelSelector `json:"dpuSelector,omitempty"`
+
+	// IsAccelerated indicates whether the network should be treated as accelerated
+	// by downstream components.
+	// +optional
+	IsAccelerated bool `json:"isAccelerated,omitempty"`
+}
+
+// DpuNetworkStatus defines the observed state of DpuNetwork.
+type DpuNetworkStatus struct {
+	// Conditions is the status of the DpuNetwork.
+	// +optional
+	Conditions []metav1.Condition `json:"conditions,omitempty"`
+
+	// ResourceName is the Kubernetes extended resource name generated for this network.
+	// +optional
+	ResourceName string `json:"resourceName,omitempty"`
+
+	// SelectedVFs is the list of VF IDs parsed from vfId ranges.
+	// +optional
+	SelectedVFs []int32 `json:"selectedVFs,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+//+kubebuilder:subresource:status
+//+kubebuilder:resource:scope=Cluster,shortName=dpunet
+//+kubebuilder:printcolumn:name="Resource",type="string",JSONPath=".status.resourceName"
+//+kubebuilder:printcolumn:name="Ready",type="string",JSONPath=".status.conditions[?(@.type=='Ready')].status"
+
+// DpuNetwork is the Schema for the dpunetworks API.
+type DpuNetwork struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty"`
+
+	Spec   DpuNetworkSpec   `json:"spec,omitempty"`
+	Status DpuNetworkStatus `json:"status,omitempty"`
+}
+
+//+kubebuilder:object:root=true
+
+// DpuNetworkList contains a list of DpuNetwork.
+type DpuNetworkList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []DpuNetwork `json:"items"`
+}
+
+func init() {
+	SchemeBuilder.Register(&DpuNetwork{}, &DpuNetworkList{})
+}

api/v1/zz_generated.deepcopy.go

@@ -133,6 +133,13 @@ func main() {
 		setupLog.Error(err, "unable to create controller", "controller", "DataProcessingUnit")
 		os.Exit(1)
 	}
+	if err := (&controller.DpuNetworkReconciler{
+		Client: mgr.GetClient(),
+		Scheme: mgr.GetScheme(),
+	}).SetupWithManager(mgr); err != nil {
+		setupLog.Error(err, "unable to create controller", "controller", "DpuNetwork")
+		os.Exit(1)
+	}
 	if os.Getenv("ENABLE_WEBHOOKS") != "false" {
 		if err = (&configv1.DpuOperatorConfig{}).SetupWebhookWithManager(mgr); err != nil {
 			setupLog.Error(err, "unable to create webhook", "webhook", "DpuOperatorConfig")