On 26.07.2019 21:05, Heiner Kallweit wrote: > On 24.07.2019 22:02, Heiner Kallweit wrote: >> On 24.07.2019 10:19, Jian-Hong Pan wrote: >>> Hi all, >>> >>> We have got a consumer desktop equipped with Realtek RTL8125 2.5GB >>> Ethernet [1] recently. But, there is no related driver in mainline >>> kernel yet. So, we can only use the vendor driver [2] and customize >>> it [3] right now. >>> >>> Is anyone working on an upstream driver for this hardware? >>> >> At least I'm not aware of any such work. Issue with Realtek is that >> they answer individual questions very quickly but company policy is >> to not release any datasheets or errata documentation. >> RTL8169 inherited a lot from RTL8139, so I would expect that the >> r8169 driver could be a good basis for a RTL8125 mainline driver. >> > Meanwhile I had a look at the RTL8125 vendor driver. Most parts are > quite similar to RTL8168. However the PHY handling is quite weird. > 2.5Gbps isn't covered by Clause 22, but instead of switching to > Clause 45 Realtek uses Clause 22 plus a proprietary chip register > (for controlling the 2.5Gbps mode) that doesn't seem to be accessible > via MDIO bus. This may make using phylib tricky. > In case you haven't seen it yet: Meanwhile I added RTL8125 support to phylib and r8169, it's included in 5.4-rc1. I tested it on a RTL8125-based PCIe add-on card, feedback from your system would be appreciated. Note that you also need latest linux-firmware package from Sep 23rd.
>>> [1] >>> https://www.realtek.com/en/press-room/news-releases/item/realtek-launches-world-s-first-single-chip-2-5g-ethernet-controller-for-multiple-applications-including-gaming-solution >>> [2] >>> https://www.realtek.com/en/component/zoo/category/network-interface-controllers-10-100-1000m-gigabit-ethernet-pci-express-software >>> [3] >>> https://github.com/endlessm/linux/commit/da1e43f58850d272eb72f571524ed71fd237d32b >>> >>> Jian-Hong Pan >>> >> Heiner >> > Heiner > Heiner
