Add PIM logNeighborChanges field

PROJECT

@@ -285,6 +285,14 @@ resources:
   kind: BGPConfig
   path: github.com/ironcore-dev/network-operator/api/cisco/nx/v1alpha1
   version: v1alpha1
+- api:
+    crdVersion: v1
+    namespaced: true
+  domain: cisco.networking.metal.ironcore.dev
+  group: nx
+  kind: PIMConfig
+  path: github.com/ironcore-dev/network-operator/api/cisco/nx/v1alpha1
+  version: v1alpha1
 - api:
     crdVersion: v1
     namespaced: true

api/cisco/nx/v1alpha1/pim_types.go

@@ -0,0 +1,53 @@
+// SPDX-FileCopyrightText: 2026 SAP SE or an SAP affiliate company and IronCore contributors
+// SPDX-License-Identifier: Apache-2.0
+
+package v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+
+	v1alpha1 "github.com/ironcore-dev/network-operator/api/core/v1alpha1"
+)
+
+// +kubebuilder:rbac:groups=nx.cisco.networking.metal.ironcore.dev,resources=pimconfigs,verbs=get;list;watch
+
+// PIMConfigSpec defines the Cisco NX-OS specific PIM configuration.
+type PIMConfigSpec struct {
+	// LogNeighborChanges enables logging when a PIM neighbor is added or removed.
+	// +optional
+	LogNeighborChanges *bool `json:"logNeighborChanges,omitempty"`
+}
+
+// +kubebuilder:object:root=true
+// +kubebuilder:resource:path=pimconfigs
+// +kubebuilder:resource:singular=pimconfig
+
+// PIMConfig is the Schema for the PIMConfig API
+type PIMConfig struct {
+	metav1.TypeMeta   `json:",inline"`
+	metav1.ObjectMeta `json:"metadata,omitempty,omitzero"`
+
+	// spec defines the desired state of PIMConfig
+	// +required
+	Spec PIMConfigSpec `json:"spec"`
+}
+
+// +kubebuilder:object:root=true
+
+// PIMConfigList contains a list of PIMConfigs
+type PIMConfigList struct {
+	metav1.TypeMeta `json:",inline"`
+	metav1.ListMeta `json:"metadata,omitempty"`
+	Items           []PIMConfig `json:"items"`
+}
+
+// init registers the PIMConfig type with the scheme and sets
+// itself as a dependency for the PIM core type.
+func init() {
+	v1alpha1.RegisterPIMDependency(GroupVersion.WithKind("PIMConfig"))
+	SchemeBuilder.Register(func(s *runtime.Scheme) error {
+		s.AddKnownTypes(GroupVersion, &PIMConfig{}, &PIMConfigList{})
+		return nil
+	})
+}

config/samples/cisco/nx/v1alpha1_pimconfig.yaml

@@ -0,0 +1,9 @@
+apiVersion: nx.cisco.networking.metal.ironcore.dev/v1alpha1
+kind: PIMConfig
+metadata:
+  labels:
+    app.kubernetes.io/name: network-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: leaf1-pimconfig
+spec:
+  logNeighborChanges: true

config/samples/v1alpha1_pim.yaml

@@ -9,6 +9,12 @@ metadata:
 spec:
   deviceRef:
     name: leaf1
+  # Uncomment to add NXOS provider-specific config
+  # See: ./cisco/nx/v1alpha1_pimconfig.yaml
+  # providerConfigRef:
+  #   apiVersion: nx.cisco.networking.metal.ironcore.dev/v1alpha1
+  #   kind: PIMConfig
+  #   name: leaf1-pimconfig
   rendezvousPoints:
     - address: 10.0.0.100
       multicastGroups:

internal/provider/cisco/nxos/pim.go

@@ -27,8 +27,9 @@ func (*PIM) XPath() string {
 }
 
 type PIMDom struct {
-	Name    string  `json:"name"`
-	AdminSt AdminSt `json:"adminSt"`
+	Name       string  `json:"name"`
+	AdminSt    AdminSt `json:"adminSt"`
+	LogNbhChng *bool   `json:"logNbhChng,omitempty"`
 }
 
 func (*PIMDom) IsListItem() {}

internal/provider/cisco/nxos/pim_test.go

@@ -15,4 +15,11 @@ func init() {
 	rp := &StaticRP{Addr: "10.0.0.100/32"}
 	rp.RpgrplistItems.RPGrpListList.Set(&StaticRPGrp{GrpListName: "224.0.0.0/4"})
 	Register("pim_rp", rp)
+
+	logEnabled := true
+	Register("pim_dom_log", &PIMDom{
+		Name:       "default",
+		AdminSt:    AdminStEnabled,
+		LogNbhChng: &logEnabled,
+	})
 }

internal/provider/cisco/nxos/provider.go

@@ -2429,6 +2429,13 @@ func (p *Provider) EnsurePIM(ctx context.Context, req *provider.EnsurePIMRequest
 	f.AdminSt = AdminStEnabled
 	sb.Update(f)
 
+	var cfg nxv1alpha1.PIMConfig
+	if req.ProviderConfig != nil {
+		if err := req.ProviderConfig.Into(&cfg); err != nil {
+			return err
+		}
+	}
+
 	pim := new(PIM)
 	pim.AdminSt = AdminStEnabled
 	pim.InstItems.AdminSt = AdminStEnabled
@@ -2444,6 +2451,7 @@ func (p *Provider) EnsurePIM(ctx context.Context, req *provider.EnsurePIMRequest
 	if req.PIM.Spec.AdminState == v1alpha1.AdminStateDown {
 		dom.AdminSt = AdminStDisabled
 	}
+	dom.LogNbhChng = cfg.Spec.LogNeighborChanges
 	sb.Patch(dom)
 
 	rpItems := new(StaticRPItems)

internal/provider/cisco/nxos/testdata/pim_dom_log.json

@@ -0,0 +1,15 @@
+{
+  "pim-items": {
+    "inst-items": {
+      "dom-items": {
+        "Dom-list": [
+          {
+            "name": "default",
+            "adminSt": "enabled",
+            "logNbhChng": true
+          }
+        ]
+      }
+    }
+  }
+}

internal/provider/cisco/nxos/testdata/pim_dom_log.json.txt

@@ -0,0 +1 @@
+ip pim log-neighbor-changes

test/gnmi/testdata/nx.cisco.networking.metal.ironcore.dev/pim.txtar

@@ -14,6 +14,15 @@ spec:
     addresses:
       - 10.255.255.20/32
 
+-- pimconfigs/log-neighbor --
+apiVersion: nx.cisco.networking.metal.ironcore.dev/v1alpha1
+kind: PIMConfig
+metadata:
+  name: log-neighbor
+  namespace: default
+spec:
+  logNeighborChanges: true
+
 -- pims/multicast --
 apiVersion: networking.metal.ironcore.dev/v1alpha1
 kind: PIM
@@ -24,6 +33,10 @@ spec:
   deviceRef:
     name: device
   adminState: Up
+  providerConfigRef:
+    apiVersion: nx.cisco.networking.metal.ironcore.dev/v1alpha1
+    kind: PIMConfig
+    name: log-neighbor
   interfaceRefs:
     - name: lo-pim
       mode: Sparse
@@ -119,6 +132,7 @@ spec:
             {
               "name": "default",
               "adminSt": "enabled",
+              "logNbhChng": true,
               "if-items": {
                 "If-list": [
                   {