Configure SriovNetwork with NVIDIA nv-ipam

💡 Quick Answer: Create SriovNetwork in openshift-sriov-network-operator, set networkNamespace to the workload namespace, and configure ipam with {"type":"nv-ipam","poolName":"<pool>"}.

SriovNetwork lets the SR-IOV operator generate and maintain the corresponding NetworkAttachmentDefinition automatically.

Example SriovNetwork

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetwork
metadata:
  name: tenant-a
  namespace: openshift-sriov-network-operator
spec:
  vlan: 0
  networkNamespace: "tenant-a"
  resourceName: "mellanoxnics"
  ipam: |
    {
      "type": "nv-ipam",
      "poolName": "tenant-a"
    }

Apply it:

oc apply -f sriovnetwork.yaml

Verify Generated NAD

oc get network-attachment-definition -n tenant-a tenant-a -o yaml

Confirm NAD includes:

• type: sriov
• resourceName: openshift.io/mellanoxnics annotation
• ipam.type: nv-ipam

Important Rules

• Keep SriovNetwork CR in openshift-sriov-network-operator when networkNamespace is used.
• Do not hand-edit generated NADs for long-term changes; update the owning SriovNetwork.
• Ensure matching IPPool exists in the workload namespace.