Receive Side Scaling - RSS with eBPF in QEMU and virtio-net

This course examines Receive Side Scaling with eBPF in QEMU and virtio-net. It covers virtio specification changes, eBPF program configuration and loading, fallback behavior, live migration, and integration with QEMU and libvirt.

Syllabus

Intro
What is RSS?
History: RSS and virtio-net
virtio spec changes - capabilities
virtio spec changes - device configu
virtio spec changes - setting RSS parai
virtio spec changes - virtio-net-hd
What is eBPF?
How can eBPF help us?
The "magic"
Hash population work in progres
eBPF program source in QEMU
eBPF program skeleton
Configuration map
Loading eBPF program
Fallback
Live migration
QEMU command line
libvirt integration
Current status
Pending patches