netdev - Re: stmmac / meson8b-dwmac

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Message-ID: <3a040370-e7e5-990e-81dc-8e9bb0ab7761@gmx.de>
Date:   Sun, 24 Feb 2019 21:34:34 +0100
From:   Simon Huelck <simonmail@....de>
To:     Sebastian Gottschall <s.gottschall@...media-net.de>,
        Jerome Brunet <jbrunet@...libre.com>,
        Jose Abreu <jose.abreu@...opsys.com>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc:     linux-amlogic@...ts.infradead.org, Gpeppe.cavallaro@...com,
        alexandre.torgue@...com,
        Emiliano Ingrassia <ingrassia@...genesys.com>,
        netdev@...r.kernel.org
Subject: Re: stmmac / meson8b-dwmac

Am 24.02.2019 um 20:42 schrieb Sebastian Gottschall:
> vice are you talking about? its not your windows pc. if its a ipq8064
> based device or something like that you should look
> on a very different location. this platform like the r7800 has stmac
> performance problems since the kernel clk code for this device is lets
> say "very wrong".
> so alot of clocks arent correct and so the ethernet performance will
> suffer.
>
> i can tell you that i'm able to get 930 mbit on a stmmac based device.
> but as i said. the kernel needs other numerous fixes to get a good
> performance

Hi,



the topic is about ODROID C2 / Amlogic S905X since the start. we have a
performance regression since 4.14.



regards,

Simon