netdev - Aw: Re: Re: Re: [PATCH v2] net: mtk_sgmii: implement mtk_pcs

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Message-ID: <trinity-d2f74581-c020-4473-a5f4-0fc591233293-1666622740261@3c-app-gmx-bap55>
Date:   Mon, 24 Oct 2022 16:45:40 +0200
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Frank Wunderlich <linux@...web.de>,
        linux-mediatek@...ts.infradead.org,
        Alexander Couzens <lynxis@...0.eu>,
        Felix Fietkau <nbd@....name>, John Crispin <john@...ozen.org>,
        Sean Wang <sean.wang@...iatek.com>,
        Mark Lee <Mark-MC.Lee@...iatek.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        netdev@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Aw: Re: Re: Re: [PATCH v2] net: mtk_sgmii: implement mtk_pcs_ops

Hi
> Gesendet: Montag, 24. Oktober 2022 um 11:27 Uhr
> Von: "Russell King (Oracle)" <linux@...linux.org.uk>

> Here's the combined patch for where I would like mtk_sgmii to get to.
>
> It looks like this PCS is similar to what we know as pcs-lynx.c, but
> there do seem to be differences - the duplex bit for example appears
> to be inverted.
>
> Please confirm whether this still works for you, thanks.

basicly Patch works, but i get some (1-50) retransmitts on iperf3 on first interval in tx-mode (on r3 without -R), other 9 are clean. reverse mode is mostly clean.
run iperf3 multiple times, every first interval has retransmitts. same for gmac0 (fixed-link 2500baseX)

i notice that you have changed the timer again to 10000000 for 1000/2500baseX...maybe use here the default value too like the older code does?

regards Frank