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Date: Wed, 13 Apr 2022 22:49:53 +0200 From: Andrew Lunn <andrew@...n.ch> To: Vladimir Oltean <vladimir.oltean@....com> Cc: Luiz Angelo Daros de Luca <luizluca@...il.com>, Kurt Kanzenbach <kurt@...utronix.de>, George McCollister <george.mccollister@...il.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>, "bhelgaas@...gle.com" <bhelgaas@...gle.com>, "corbet@....net" <corbet@....net>, "pabeni@...hat.com" <pabeni@...hat.com>, "kuba@...nel.org" <kuba@...nel.org>, "davem@...emloft.net" <davem@...emloft.net>, Florian Fainelli <f.fainelli@...il.com> Subject: Re: [PATCH net-next v2] docs: net: dsa: describe issues with checksum offload On Wed, Apr 13, 2022 at 08:08:41PM +0000, Vladimir Oltean wrote: > I've copied a bunch of new people to this email. > > TL;DR: Kurt/George/Andrew, on your systems with hellcreek/xrs700x/mv88e6060, > does the DSA master declare any of the following features as "on"? > > ethtool -k eth0 | grep tx-checksum-ip Zii-devel-c, which uses a FEC as master: root@...-devel-c:~# ethtool -k eth1 | grep tx-checksum-ip tx-checksum-ipv4: off [fixed] tx-checksum-ip-generic: off [fixed] tx-checksum-ipv6: off [fixed] 370RD is a Marvell reference design, using mvneta as the master andrew@...rd:~$ /usr/sbin/ethtool -k eth1 | grep tx-checksum-ip tx-checksum-ipv4: on tx-checksum-ip-generic: off [fixed] tx-checksum-ipv6: on WRT1900AC is a WiFi access point, also mvneta root@...1900ac:~# ethtool -k eth0 | grep tx-checksum-ip tx-checksum-ipv4: on tx-checksum-ip-generic: off [fixed] tx-checksum-ipv6: on I have one more system i can check, using a Marvell Kirkwood SoC using the mv643xx as master. I need to blow the dust off it first, i've not booted it in years. Andrew
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