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afxdp-network-operator

The AF_XDP Network Operator is designed to help the user to provision and configure AF_XDP CNI plugin and Device plugin in a K8s cluster.

Motivation

AF_XDP requires a number of components in order to be provisioned and configured appropriately. An operator is a natural choice for a central point to coordinate the relevant components in one place.

Goals

  • To provision, advertise and manage a set of interfaces for Pods that want to use AF_XDP.
  • Pods should be able to run without any special privileges.
  • Pods should be able to take advantage of PFs, VFs and SFs.
  • To interwork with BPFd (eBPF lifecycle management daemon).

Targetted Functionality

  • Initialize the supported AF_XDP NIC types on selected nodes.
  • Provision/upgrade AF_XDP device plugin executable on selected node.
  • Provision/upgrade AF_XDP CNI plugin executable on selected nodes.
  • Manage configuration of AF_XDP device plugin on host.
  • Generate net-att-def CRs for AF_XDP CNI plugin
  • Work with BPFd to load and unload BPF progs on the netdevs
  • Supports operation in a virtualized Kubernetes deployment - Needs more investigation

AF_XDP CNI and Device plugin

Existing plugins to integrate with https://github.com/intel/afxdp-plugins-for-kubernetes

More information will be added as the operator is developed.