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From:   Frank Wunderlich <frank-w@public-files.de>
To:     Landen Chao <landen.chao@mediatek.com>
Cc:     Andrew Lunn <andrew@lunn.ch>,
        Vivien Didelot <vivien.didelot@gmail.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        "David S . Miller" <davem@davemloft.net>,
        Jakub Kicinski <kuba@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Sean Wang <sean.wang@mediatek.com>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Russell King <linux@armlinux.org.uk>, netdev@vger.kernel.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org,
        opensource@vdorst.com, dqfext@gmail.com,
        Landen Chao <landen.chao@mediatek.com>
Subject: Aw: [PATCH net-next v3 0/6] net-next: dsa: mt7530: add support for
 MT7531
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Date:   Sat, 5 Sep 2020 10:45:54 +0200
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tested full series on Bananapi-r64 (mt7531) running iperf3-server

[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.09 GBytes   939 Mbits/sec    0             send=
er
[  5]   0.00-10.01  sec  1.09 GBytes   935 Mbits/sec                  rece=
iver

reverse mode (-R)
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.01  sec  1.10 GBytes   941 Mbits/sec    0             send=
er
[  5]   0.00-10.00  sec  1.09 GBytes   939 Mbits/sec                  rece=
iver

similar to bananapi-r2 (mt7530)

[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.09 GBytes   938 Mbits/sec    0             send=
er
[  5]   0.00-10.01  sec  1.09 GBytes   936 Mbits/sec                  rece=
iver

reverse-mode:

[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.01  sec  1.05 GBytes   905 Mbits/sec  14533             se=
nder <<<<<<<<<<<
[  5]   0.00-10.00  sec  1.05 GBytes   905 Mbits/sec                  rece=
iver

on last test i see iperf3 has ~30%cpu load and also ksoftirqd (using debia=
n buster), so i tried opening server on my Laptop and running iperf -c on =
BPI-R2 with similar result

[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  1.03 GBytes   886 Mbits/sec  13990             se=
nder
[  5]   0.00-10.00  sec  1.03 GBytes   885 Mbits/sec                  rece=
iver

in dmesg of both devices only DSA-Messages (nonfatal error -95 setting MTU=
 on port) because of missing port_change_mtu callback. here i got a patch,=
 but had not yet time to setup environment for testing jumbo-frames too. B=
ut this just as side-note

regards Frank