EPBFCat – an EtherCAT master using EBPF and XDP

EBPFCat is an EtherCAT master written entirely in Python, that uses EPBF and XDP to achieve real-time response times. As a corollary, it contains a Python based EBPF code generator.

• A Python-base EBPF code generator
  • Getting started
  • Maps
  • Accessing the packet
  • Programming
  • Reference Documentation
• The EtherCAT master
  • Getting started
  • Writing a device
  • Four methods of control
  • Adding new terminals
  • Inspecting the bus via the command line
  • Using EBPFCat with the EPICS control system
  • Reference Documentation

Further reading

This project has been presented at ICALEPCS 2025, please cite this paper if you make use of EBPFCat.