linux-kernel - Aw: Re: [PATCH v2 4/5] arm: dts: mt7623: mux phy0 on Bananapi BPI-R2

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Message-ID: <trinity-a01f321e-0973-417e-9a25-9350f63ece37-1675511027203@3c-app-gmx-bs72>
Date:   Sat, 4 Feb 2023 12:43:47 +0100
From:   Frank Wunderlich <frank-w@...lic-files.de>
To:     Arınç ÜNAL <arinc.unal@...nc9.com>
Cc:     arinc9.unal@...il.com, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        erkin.bozoglu@...ont.com, Sean Wang <sean.wang@...iatek.com>,
        DENG Qingfang <dqfext@...il.com>
Subject: Aw: Re: [PATCH v2 4/5] arm: dts: mt7623: mux phy0 on Bananapi
 BPI-R2

> Gesendet: Samstag, 04. Februar 2023 um 11:27 Uhr
> Von: "Frank Wunderlich" <frank-w@...lic-files.de>
> An: "Arınç ÜNAL" <arinc.unal@...nc9.com>
> Cc: arinc9.unal@...il.com, "Rob Herring" <robh+dt@...nel.org>, "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>, "Matthias Brugger" <matthias.bgg@...il.com>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org, erkin.bozoglu@...ont.com, "Sean Wang" <sean.wang@...iatek.com>, "DENG Qingfang" <dqfext@...il.com>
> Betreff: Aw: Re: [PATCH v2 4/5] arm: dts: mt7623: mux phy0 on Bananapi BPI-R2
>
> Hi aranc,
> 
> have tested this series, basicly it works, but i get only ~620 Mbits/sec (much more i will need on wan) in tx-mode of r2, rx-mode (iperf3 -c IP -R on r2) gets full 939 Mbits/sec. Both no retransmitts.
> 
> tried with my laptop which gets 940Mbit/sec in tx mode too...other end is a R2 with 5.15 connected to lan0 (and eth1+aux enabled, dmesg clean so far...for the "kernel log flooded"-comment).
> 
> maybe gmac1 needs to be tweaked a bit (clock-settings)?
> 
> can you confirm this with your board?

tested the vlan_aware way with 5.15.80 and got better result

ip link add br0 type bridge vlan_filtering 1
ip l set aux master br0
ip l set wan master br0
bridge vlan add vid 99 dev wan
bridge vlan add vid 99 dev aux
bridge vlan
ip l s eth1 up
ip l s wan up
ip a a 192.168.0.11/24 dev eth1
ip l s br0 up
ip l s aux up

i see traffic on eth1 increasing and iperf3 shows in both directions ~940Mbit/s, no strange mesages in dmesg while testing...where do you see these?

tested vlan-way with 6.2 and felix' Patches to more comparable with your test...and got same result (~625Mbit/s in tx and 940Mbit/s in rx-mode=-R on r2)...so it seems anything between 5.15 and 6.2 reduced gmac1 tx bandwidth.

to summarize:

i get same result with your patches and my old vlan_bridge way with same codebase...how do i see your problem with the vlan-bridge-way? Do you test with bpi-r2 or only any other board and change r2 to have same DT?

regards Frank