BPF Programmable Netdevice - Introduction to Netkit

Explore the latest advancements in BPF for networking in this Linux Plumbers Conference talk. Dive into the introduction of "netkit," a BPF programmable netdevice that integrates BPF logic directly into the driver's xmit routine. Learn about the infrastructure improvements since the previous year, including the new tc BPF fast path with BPF link support called tcx. Understand the necessity of netkit, its current state, and ongoing development. Discover how netkit interacts with tcx and how both technologies have been integrated into Cilium as its new datapath foundation. Gain valuable insights into the future of network programming and performance optimization in Linux systems.