Date: Sun, 2 Aug 2020 21:05:55 +1000 From: Stephen Hocking <stephen.hocking@gmail.com> To: Stefan Esser <se@freebsd.org> Cc: hackers@freebsd.org Subject: Re: Support for RealTek RTL8125B chipset? Message-ID: <CA%2BxzKjAWjUCk6m83t8pdNRWoqjvb4Eyb%2BW=8s4GJrCC51TeQOQ@mail.gmail.com> In-Reply-To: <f9188c96-7c83-de9e-147f-5d032419a75c@freebsd.org> References: <CA%2BxzKjAnEzJk2N%2BNiuTDHQrU4VyFcod3bPyHBnZWcwKkVq9k0w@mail.gmail.com> <83f06794-1945-649a-6997-dc2959cb0d82@freebsd.org> <CA%2BxzKjBniaNKU1zrBvsrQST5TRt9vW0ZOcLxErmajmoLdrs9FQ@mail.gmail.com> <f9188c96-7c83-de9e-147f-5d032419a75c@freebsd.org>
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Hi STefan, I'm rather ignorant about the different versions of that chipset, do you know of any place that could supply cards with them? Or should we be calling for volunteers? A few of my boxes have RealTek ethernet interfaces on their motherboards. On Sun, 2 Aug 2020 at 20:42, Stefan Esser <se@freebsd.org> wrote: > > Am 02.08.20 um 04:47 schrieb Stephen Hocking: > > Hi Stefan, > > > > Thanks for updating me on this - do you need any hardware for testing etc? > > Hi Stephen, > > thank you for the offer - I've got a main-board with RTL8125B and have > added RTL8111H and i210-T1 cards to compare the RTL8125 with. > > I'm limited to 1000baseTX speed due to other available interfaces and > switch ports, but I'd hope that if 1000baseTX works, the higher speeds > will be simple to test (and could be come at a later time, since having > on-board RTL8125 chips support by the base system at least at 1 Gbit/s > is my primary goal for now). > > The problem is lack of documentation for the MAC and PHY, and there are > even 4 firmware blobs for different versions of the RTL8125 alone (two > each for RTL8125A and B since both already exist in two revisions). > > Since I do not have any documentation (except for the RealTek driver > that has a friendly license, being derived from Bill Paul's FreeBSD > driver) I do not really know which parts of the initialization and > register setup that is different for those different chips needs to > be merged into out driver - for now I assume a mostly verbatim copy > of the blobs and of code fragments is the only way forward, since I > have access to only 1 of those 4 chip versions ... > > Regards, STefan -- "I and the public know what all schoolchildren learn Those to whom evil is done Do evil in return" W.H. Auden, "September 1, 1939"
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