Re: [PATCH 2/2] arm64: dts: imx8mm: Add Gateworks IMX8MM Development Kits

From: Tim Harvey
Date: Mon Dec 28 2020 - 12:56:52 EST


On Thu, Dec 24, 2020 at 7:34 AM Sven Van Asbroeck <thesven73@xxxxxxxxx> wrote:
>
> Tim, Anders,
>
> On Wed, Dec 23, 2020 at 5:45 PM Tim Harvey <tharvey@xxxxxxxxxxxxx> wrote:
> >
> > - 2x RJ45 GbE (IMX8MM FEC and LAN743x)
>
> I noticed that you are users of the LAN743x PCIe ethernet chip.
>
> On non-cache snooping architectures such as ARM, the receive performance of
> this chip's driver is about 1/3 of what it should be. I am currently preparing a
> patch set which boosts performance x3, but it's not trivial, so I am looking for
> LAN743X users who could help test the patch set - especially on arm64 or x86,
> architectures I have no access to.
>

Sven,

I'm happy to test your patches for lan743x.

Best regards,

Tim