926314ab12
Multiple users have reported a regression [1] in OpenWRT 24.10 with the
ramips/mt7621 target, which has the MT7530 PHYs: the Ethernet link is
periodically going down for a brief period of time:
mt7530-mdio mdio-bus:1f lan1: Link is Down
br-lan: port 1(lan1) entered disabled state
mt7530-mdio mdio-bus:1f lan1: Link is Up - 1Gbps/Full - flow control rx/tx
The symptoms stop after disabling EEE and it was reported by Mediatek in
2021 that EEE is unstable for the MT7530 PHYs [2]:
> EEE of the 10-year-old MT7530 internal gephy has many IOT problems, so
> it is recommended to disable its EEE.
EEE is enabled by default for these devices in OpenWRT 24.10 whereas in the
previous version (OpenWRT 23.05, Linux 5.15) it was not. It was determined
that in Linux 6.6, the PHY driver tries to disable EEE in
mtk_gephy_config_init() in drivers/net/phy/mediatek-ge.c, but this is later
overridden by a subsequent execution of the genphy_c45_write_eee_adv()
function, which enables every EEE mode supported.
The best way forward for now seems to be to mark EEE as broken directly in
the devicetree, which affects the genphy_c45_write_eee_adv() function.
There are some devices, like GnuBee GB-PC2, that define additional PHYs,
for example ethernet-phy@5 or ethernet-phy@7. As reported by Chester A.
Unal, these are not MT7530 PHYs and they are not affected.
This would need to be cherrypicked for the OpenWRT 24.10 branch.
[1] https://github.com/openwrt/openwrt/issues/17351
[2] https://lore.kernel.org/all/0adde34f936a2dafca40b06b408d82afe0852327.camel@mediatek.com/
Tested-by: Darren Tucker
Signed-off-by: Mateusz Jończyk <mat.jonczyk@o2.pl>
Closes: https://github.com/openwrt/openwrt/issues/17351
Link: https://github.com/openwrt/openwrt/pull/18585
(cherry picked from commit
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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:
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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.
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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
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Quickstart
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Run
./scripts/feeds update -ato obtain all the latest package definitions defined in feeds.conf / feeds.conf.default -
Run
./scripts/feeds install -ato install symlinks for all obtained packages into package/feeds/ -
Run
make menuconfigto select your preferred configuration for the toolchain, target system & firmware packages. -
Run
maketo 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.
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LuCI Web Interface: Modern and modular interface to control the device via a web browser.
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OpenWrt Packages: Community repository of ported packages.
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OpenWrt Routing: Packages specifically focused on (mesh) routing.
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OpenWrt Video: Packages specifically focused on display servers and clients (Xorg and Wayland).
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