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Utilities and example programs for use with XDP
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Toke Høiland-Jørgensen c5ebaea5fc xdp-forward: Use parsing helpers for FIB forwarding program 
The xdp-forward program was not using the helpers from parsing_helpers.h
leading to inconsistent parsing behaviour.

Fix this by switching the parsing over to using the helpers in
xdp_forward.bpf.c.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
2026-06-01 17:00:20 +02:00
.github .github/workflows: Add kernel 7.0 to CI 2026-05-20 17:00:26 +02:00
headers headers/parsing_helpers: Support rejection of IP fragments 2026-06-01 17:00:20 +02:00
lib build: use gnu2x to avoid stdbool.h dependency 2026-05-20 10:51:22 +02:00
LICENSES Include text of all licenses 2021-05-04 17:33:49 +02:00
packaging Bump to version 1.6.3 2026-03-25 12:44:04 +01:00
xdp-bench build: use gnu2x to avoid stdbool.h dependency 2026-05-20 10:51:22 +02:00
xdp-dump build: use gnu2x to avoid stdbool.h dependency 2026-05-20 10:51:22 +02:00
xdp-filter build: use gnu2x to avoid stdbool.h dependency 2026-05-20 10:51:22 +02:00
xdp-forward xdp-forward: Use parsing helpers for FIB forwarding program 2026-06-01 17:00:20 +02:00
xdp-loader build: use gnu2x to avoid stdbool.h dependency 2026-05-20 10:51:22 +02:00
xdp-monitor build: use gnu2x to avoid stdbool.h dependency 2026-05-20 10:51:22 +02:00
xdp-trafficgen build: use gnu2x to avoid stdbool.h dependency 2026-05-20 10:51:22 +02:00
.clang-format Apply clang-format (selectively) to rest of codebase 2020-08-13 23:49:04 +02:00
.dockerignore Add Dockerfile 2025-09-11 11:58:39 +02:00
.gitignore libxdp: add device binding support 2025-12-16 23:15:38 +01:00
.gitmodules libbpf: Update to v1.0.0 2022-09-16 11:35:44 +01:00
.lgtm.yml lgtm: set RELAXED_LLVM_VERSION 2021-04-14 21:59:30 +02:00
configure configure: fix syntax error in bpftool detection 2026-05-08 11:31:23 +02:00
LICENSE Include text of all licenses 2021-05-04 17:33:49 +02:00
Makefile Makefile: remove all built artifacts on make clean 2026-02-19 12:41:18 +01:00
mkarchive.sh mkarchive.sh: Default to current version 2023-10-21 00:43:18 +02:00
README.org README: Add link to xdp-forward subdirectory 2024-10-11 17:56:30 +02:00
version.mk Bump to version 1.6.3 2026-03-25 12:44:04 +01:00

README.org

xdp-tools - Library and utilities for use with XDP

This repository contains the libxdp library for working with the eXpress Data Path facility of the Linux kernel, and a collection of utilities and example code that uses the library.

The repository contains the following:

  • lib/libxdp/ - the libxdp library itself - can be built standalone using make libxdp
  • xdp-bench/ - an XDP benchmarking tool
  • xdp-dump/ - a tcpdump-like tool for capturing packets at the XDP layer
  • xdp-filter/ - a simple packet filtering utility powered by XDP
  • xdp-forward/ - an XDP forwarding plane
  • xdp-loader/ - a command-line utility for loading XDP programs using libxdp
  • xdp-monitor/ - a simple XDP tracepoint monitoring tool
  • xdp-trafficgen/ - an XDP-based packet generator
  • headers/xdp/ - reusable eBPF code snippets for XDP (installed in /usr/include/xdp by make install).
  • lib/util/ - common code shared between the different utilities
  • packaging/ - files used for distro packaging
  • lib/libbpf/ - a git submodule with libbpf, used if the system version is not recent enough

To compile, first run ./configure, then simply type make. Make sure you either have a sufficiently recent libbpf installed on your system, or that you pulled down the libbpf git submodule (git submodule init && git submodule update).

For a general introduction to XDP, please see the XDP tutorial, and for more BPF and XDP examples, see the bpf-examples repository.