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Design AF_XDP network operator #5

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maryamtahhan opened this issue Jan 23, 2023 · 1 comment

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maryamtahhan commented Jan 23, 2023 •

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Design and POC an AF_XDP network operator that meets the listed goals and functionalities for AF_XDP in OCP.

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).

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

Existing solns to integrate with

https://github.com/intel/afxdp-plugins-for-kubernetes

kot-begemot-uk commented Feb 6, 2023

We should probably fork the intel work and keep it as a sub-project or refer to it (whatever is a better fit to github workflow)

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