Virtual data path acceleration (vDPA) is an approach to standardize the SR-IOV data plane using the virtio ring layout and decoupling the workloads from any vendor-specific NIC driver. This approach simplifying the certification of CNF/VNF workloads, addresses emerging hyperscale use cases involving offloading networking/storage to smartNICs and hardens the security compared to SRIOV for use cases such as confidential computing. In this talk, I'll give an overview of the vDPA integration work in Kubernetes/Openshift. In particular, I'll provide a view on the end-to-end solution, showing how the different components (kubernetes, Multus, OVN-k8s, SR-IOV network-operator and OVS/NIC with HW offload enabled) work together to provision a virtio/vDPA device on the pod primary interface. This is the first step and future work will include vDPA on secondary interfaces for kubevirt/kata containers applications, vDPA in user space (VDUSE) and SubFunction management to achieve full scalability.
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