netdev - Re: [PATCH net-next 04/20] net: Add ndo_{peer,unpeer}

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Message-ID: <20250922182350.4a585fff@kernel.org>
Date: Mon, 22 Sep 2025 18:23:50 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Daniel Borkmann <daniel@...earbox.net>
Cc: netdev@...r.kernel.org, bpf@...r.kernel.org, davem@...emloft.net,
 razor@...ckwall.org, pabeni@...hat.com, willemb@...gle.com,
 sdf@...ichev.me, john.fastabend@...il.com, martin.lau@...nel.org,
 jordan@...fe.io, maciej.fijalkowski@...el.com, magnus.karlsson@...el.com,
 David Wei <dw@...idwei.uk>
Subject: Re: [PATCH net-next 04/20] net: Add ndo_{peer,unpeer}_queues
 callback

On Fri, 19 Sep 2025 23:31:37 +0200 Daniel Borkmann wrote:
> Add ndo_{peer,unpeer}_queues() callback which can be used by virtual drivers
> that implement rxq mapping to a real rxq to update their internal state or
> exposed capability flags from the set of rxq mappings.

Why is this something that virtual drivers implement?
I'd think that queue forwarding can be almost entirely implemented 
in the core.