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Markus Stockhausen 532c51c15a realtek: Increase verbosity in rtldsa_fib4_add()/rtldsa_fib4_del() 
L3 routing in Realtek switches is some magic voodoo. Especially
the syslog messages are not helpful at all for error diagnosis. As
a first step refactor rtldsa_fib4_add() and rtldsa_fib4_del() to
get some idea what is going on. For this add a helper function
rtldsa_fib4_check() for basic sanity checks and logging.

Do not only increase verbosity but fix some coding as well.

- Drop leftover checks for subnet 192.168.100.x
- Better detection of broadcast routes
- clearer MAC/VLAN formatting
- sort variables descending
- rename 1 char variable "r" to "route"
- change log helpers from pr...() to dev_...()

Before:

[    5.640463] rtl83xx_fib_event_work_do: FIB4 default rule failed
[    5.647164] rtl83xx_fib_event_work_do: FIB4 default rule failed
[   13.975386] rtl83xx_fib_event_work_do: FIB4 failed
[   13.981456] rtl83xx_fib_event_work_do: FIB4 failed
[   13.986906] rtl83xx_fib_event_work_do: FIB4 failed
[   18.455777] rtl83xx_fib4_del: no such gateway: 0.0.0.0
[   18.470993] rtl83xx_fib4_del: no such gateway: 0.0.0.0
[   18.476839] rtl83xx_fib4_del: no such gateway: 0.0.0.0

After:

[   13.812501] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.1.1/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   13.823501] rtl83xx-switch switch@1b000000: lower interface lan1 not found
[   13.831371] rtl83xx-switch switch@1b000000: fib_add() failed
[   13.848157] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.1.255/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   13.859264] rtl83xx-switch switch@1b000000: skip loopback/broadcast address
[   13.883086] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.1.0/24 (VLAN 0, MAC 80:00:37:74:80:00)
[   13.894051] rtl83xx-switch switch@1b000000: lower interface lan1 not found
[   13.902009] rtl83xx-switch switch@1b000000: fib_add() failed
[   18.342938] rtl83xx-switch switch@1b000000: delete IPv4 route 192.168.1.0/24 (VLAN 0, MAC 80:00:37:74:80:00)
[   18.354162] rtl83xx-switch switch@1b000000: no such gateway: 0.0.0.0
[   18.361483] rtl83xx-switch switch@1b000000: fib_del() failed
[   18.378327] rtl83xx-switch switch@1b000000: delete IPv4 route 192.168.1.255/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   18.389736] rtl83xx-switch switch@1b000000: skip loopback/broadcast address
[   18.419856] rtl83xx-switch switch@1b000000: delete IPv4 route 192.168.1.1/32 (VLAN 0, MAC 80:00:37:74:80:00)
[   18.431160] rtl83xx-switch switch@1b000000: no such gateway: 0.0.0.0
[   18.438452] rtl83xx-switch switch@1b000000: fib_del() failed
[   54.570217] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.2.71/32 (VLAN 1, MAC d8:ec:5e:5b:7d:a1)
[   54.581329] rtl83xx-switch switch@1b000000: route hashtable extended for gw 0.0.0.0
[   54.638792] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.2.255/32 (VLAN 1, MAC d8:ec:5e:5b:7d:a1)
[   54.649913] rtl83xx-switch switch@1b000000: skip loopback/broadcast address
[   54.780897] rtl83xx-switch switch@1b000000: add IPv4 route 192.168.2.0/24 (VLAN 1, MAC d8:ec:5e:5b:7d:a1)
[   54.791883] rtl83xx-switch switch@1b000000: route hashtable extended for gw 0.0.0.0

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/20029
Signed-off-by: Robert Marko <robimarko@gmail.com>
2025-09-17 19:21:58 +02:00
.devcontainer/ci-env devcontainer: Add development environment for gihub codespace 2023-10-30 23:34:26 +01:00
.github CI: labeler: Add econet 2025-09-12 21:04:15 +02:00
.vscode meta: VS Code: add "Git: Always Sign Off" setting 2024-10-03 17:18:51 +02:00
config image: also show GRUB options for EROFS 2025-07-26 18:02:31 +02:00
include build: Add compatibility with uutils' coreutils 2025-09-08 14:41:38 +02:00
LICENSES LICENSES: include all used licenses in LICENSES directory 2021-02-14 19:21:38 +01:00
package ucode: ubus: add shared global connection to uloop 2025-09-17 12:27:55 +02:00
scripts download: add support for gitweb snapshots 2025-07-26 14:38:08 +02:00
target realtek: Increase verbosity in rtldsa_fib4_add()/rtldsa_fib4_del() 2025-09-17 19:21:58 +02:00
toolchain toolchain/binutils: export ZSTD_CFLAGS/LIBS to fix non-Linux build 2025-08-22 12:34:49 +02:00
tools mold: Update to 2.40.4 2025-08-25 10:30:14 +02:00
.gitattributes .gitattributes: ignore some whitespace "violations" in .patch files 2024-12-12 11:01:56 +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: respect the empty CONFIG_HOST_FLAGS_OPT 2025-05-16 20:42:43 +02:00

README.md

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.

Related Repositories

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