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Vincent Li ed5cefb037
loongarch64: backport kernel BPF trampoline
Enable xdp-loader to attach multiple XDP programs to a single interface by
backporting the BPF trampoline implementation from Linux kernel 6.17 to
6.12 for LoongArch64.

The xdp-loader utility relies on libxdp, which in turn requires kernel
support for BPF trampoline. While x86_64 and other architectures have
this feature, LoongArch64 only gained it in kernel 6.17. Without this
backport, xdp-loader fails on LoongArch64 systems running kernel 6.12.

Changes backported include:
- BPF trampoline infrastructure for LoongArch64
- Necessary JIT compiler updates
- Related BPF subsystem changes

This allows full compatibility with the xdp-tools ecosystem on LoongArch64
systems running older kernel versions.

Reference: https://github.com/xdp-project/xdp-tools/tree/main/lib/libxdp

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21077
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
2025-12-08 18:52:19 +01:00
.devcontainer/ci-env devcontainer: Add development environment for gihub codespace 2023-10-30 23:34:26 +01:00
.github microchipsw: add support for Microchip LAN969x switches 2025-12-03 12:13:17 +01:00
.vscode meta: VS Code: add "Git: Always Sign Off" setting 2024-10-03 17:18:51 +02:00
config microchipsw: lan969x: add Microchip EV23X71A 2025-12-03 12:13:17 +01:00
include kernel: move .quilt_used to quilt.mk 2025-11-27 20:26:37 +01:00
LICENSES LICENSES: include all used licenses in LICENSES directory 2021-02-14 19:21:38 +01:00
package ath10k-ct: remove outdated iommu revert patch 2025-12-08 18:47:45 +01:00
scripts filogic: add support for Netgear EAX17 2025-11-24 00:57:19 +01:00
target loongarch64: backport kernel BPF trampoline 2025-12-08 18:52:19 +01:00
toolchain toolchain: glibc: Update glibc 2.41 to recent HEAD 2025-11-30 19:14:52 +01:00
tools tools: gnulib: fix broken install of .m4 files 2025-12-04 16:35:40 +01:00
.gitattributes gitattributes: automatically convert dts file CRLF line endings to LF 2025-11-29 17:52:35 +01:00
.gitignore gitignore: ignore local APK keys 2024-05-17 22:03:06 +03:00
BSDmakefile build: use SPDX license tags 2021-02-05 14:54:47 +01:00
Config.in build: scripts/config - update to kconfig-v5.14 2022-02-19 13:10:01 +01:00
COPYING COPYING: add COPYING file to specify project licenses 2021-02-14 19:21:38 +01:00
feeds.conf.default feeds.conf.default: enable video feed by default 2024-12-05 01:34:01 +00:00
Makefile build: include tests/Makefile if available 2024-06-17 17:51:31 +02:00
README.md README: replace "MacOSX" with "macOS" 2024-04-01 18:46:30 +02:00
rules.mk rules.mk: add DEPRECATION NOTICE for AUTORELEASE 2025-10-29 21:09:57 +01:00

OpenWrt logo

OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned.

Sunshine!

Download

Built firmware images are available for many architectures and come with a package selection to be used as WiFi home router. To quickly find a factory image usable to migrate from a vendor stock firmware to OpenWrt, try the Firmware Selector.

If your device is supported, please follow the Info link to see install instructions or consult the support resources listed below.

An advanced user may require additional or specific package. (Toolchain, SDK, ...) For everything else than simple firmware download, try the wiki download page:

Development

To build your own firmware you need a GNU/Linux, BSD or macOS system (case sensitive filesystem required). Cygwin is unsupported because of the lack of a case sensitive file system.

Requirements

You need the following tools to compile OpenWrt, the package names vary between distributions. A complete list with distribution specific packages is found in the Build System Setup documentation.

binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
make4.1+ perl python3.7+ rsync subversion unzip which

Quickstart

  1. Run ./scripts/feeds update -a to obtain all the latest package definitions defined in feeds.conf / feeds.conf.default

  2. Run ./scripts/feeds install -a to install symlinks for all obtained packages into package/feeds/

  3. Run make menuconfig to select your preferred configuration for the toolchain, target system & firmware packages.

  4. Run make to build your firmware. This will download all sources, build the cross-compile toolchain and then cross-compile the GNU/Linux kernel & all chosen applications for your target system.

The main repository uses multiple sub-repositories to manage packages of different categories. All packages are installed via the OpenWrt package manager called opkg. If you're looking to develop the web interface or port packages to OpenWrt, please find the fitting repository below.

  • LuCI Web Interface: Modern and modular interface to control the device via a web browser.

  • OpenWrt Packages: Community repository of ported packages.

  • OpenWrt Routing: Packages specifically focused on (mesh) routing.

  • OpenWrt Video: Packages specifically focused on display servers and clients (Xorg and Wayland).

Support Information

For a list of supported devices see the OpenWrt Hardware Database

Documentation

Support Community

  • Forum: For usage, projects, discussions and hardware advise.
  • Support Chat: Channel #openwrt on oftc.net.

Developer Community

License

OpenWrt is licensed under GPL-2.0