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Date: Sat, 6 Mar 2021 14:54:27 +0200 From: Vladimir Oltean <olteanv@...il.com> To: Sunil Kovvuri <sunil.kovvuri@...il.com> Cc: Jakub Kicinski <kuba@...nel.org>, Linux Netdev List <netdev@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>, George Cherian <gcherian@...vell.com>, Subbaraya Sundeep <sbhatta@...vell.com>, Sunil Goutham <sgoutham@...vell.com>, Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <vladimir.oltean@....com> Subject: Re: Query on new ethtool RSS hashing options On Sat, Mar 06, 2021 at 05:38:14PM +0530, Sunil Kovvuri wrote: > > Can you share the format of the DSA tag? Is there a driver for it > > upstream? Do we need to represent it in union ethtool_flow_union? > > > > No, there is no driver for this tag in the kernel. > I have attached the tag format. > There are multiple DSA tag formats and representing them ethtool_flow > union would be difficult. > Hence wondering if it would be okay to add a more flexible way ie > offset and num_bytes from the start of packet. How sure are you that the tag format you've shared is not identical to the one parsed by net/dsa/tag_dsa.c?
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