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Message-ID: <4e5704f4-f715-4e39-876b-ea5d8a83a0a3@nbd.name>
Date: Wed, 24 Apr 2024 18:26:37 +0200
From: Felix Fietkau <nbd@....name>
To: Willem de Bruijn <willemdebruijn.kernel@...il.com>,
Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>
Cc: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>, David Ahern <dsahern@...nel.org>,
linux-kernel@...r.kernel.org
Subject: Re: [RFC] net: add TCP fraglist GRO support
On 24.04.24 16:30, Willem de Bruijn wrote:
>> > If keeping, this refinement can probably a separate follow-on patch in
>> > the series too:
>> >
>> > - refactor existing udp code
>> > - add segmentation support to handle such packets on tx
>> > - add coalescing support that starts building such packets on rx
>> > - refine coalescing choice
>> I don't really understand what you're suggesting. With my patch, the GRO
>> code handles coalescing of packets. Segmentation on output is also
>> supported. The next version of my patch will fix the cases that were too
>> similar to the UDP code, so I guess refactoring to share code doesn't
>> really make sense there.
>> Am I missing something?
>
> I mean if breaking up into a series. First have the refactoring patch
> which should be easy to review to be a noop. Then add the segmentation
> code, which needs to exist before packets may arrive that depend on
> it. Then add the code that produces such packets. To break up into
> manageable chunks.
Right, that makes sense.
Thanks,
- Felix
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