Re: [PATCH net-next v6 8/9] net: disallow setup single buffer XDP when tcp-data-split is enabled.

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To: Jakub Kicinski <kuba@xxxxxxxxxx>
Subject: Re: [PATCH net-next v6 8/9] net: disallow setup single buffer XDP when tcp-data-split is enabled.
From: Taehee Yoo <ap420073@xxxxxxxxx>
Date: Thu, 19 Dec 2024 23:14:16 +0900
Cc: davem@xxxxxxxxxxxxx, pabeni@xxxxxxxxxx, edumazet@xxxxxxxxxx, almasrymina@xxxxxxxxxx, donald.hunter@xxxxxxxxx, corbet@xxxxxxx, michael.chan@xxxxxxxxxxxx, andrew+netdev@xxxxxxx, hawk@xxxxxxxxxx, ilias.apalodimas@xxxxxxxxxx, ast@xxxxxxxxxx, daniel@xxxxxxxxxxxxx, john.fastabend@xxxxxxxxx, dw@xxxxxxxxxxx, sdf@xxxxxxxxxxx, asml.silence@xxxxxxxxx, brett.creeley@xxxxxxx, linux-doc@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, kory.maincent@xxxxxxxxxxx, maxime.chevallier@xxxxxxxxxxx, danieller@xxxxxxxxxx, hengqi@xxxxxxxxxxxxxxxxx, ecree.xilinx@xxxxxxxxx, przemyslaw.kitszel@xxxxxxxxx, hkallweit1@xxxxxxxxx, ahmed.zaki@xxxxxxxxx, rrameshbabu@xxxxxxxxxx, idosch@xxxxxxxxxx, jiri@xxxxxxxxxxx, bigeasy@xxxxxxxxxxxxx, lorenzo@xxxxxxxxxx, jdamato@xxxxxxxxxx, aleksander.lobakin@xxxxxxxxx, kaiyuanz@xxxxxxxxxx, willemb@xxxxxxxxxx, daniel.zahka@xxxxxxxxx
In-reply-to: <20241218184444.1e726730@kernel.org>
References: <20241218144530.2963326-1-ap420073@gmail.com> <20241218144530.2963326-9-ap420073@gmail.com> <20241218184444.1e726730@kernel.org>

On Thu, Dec 19, 2024 at 11:44 AM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
>
> On Wed, 18 Dec 2024 14:45:29 +0000 Taehee Yoo wrote:
> > +          bpf->command == XDP_SETUP_PROG_HW) &&
>
> PROG_HW will be fine, you can drop this part of the check.
> HDS is a host feature, if the program is offloaded offload driver
> does much more precise geometry validation already.

Thanks, I will remove this condition.

Thanks a lot!
Taehee Yoo

References:
- [PATCH net-next v6 0/9] bnxt_en: implement tcp-data-split and thresh option
  - From: Taehee Yoo
- [PATCH net-next v6 8/9] net: disallow setup single buffer XDP when tcp-data-split is enabled.
  - From: Taehee Yoo
- Re: [PATCH net-next v6 8/9] net: disallow setup single buffer XDP when tcp-data-split is enabled.
  - From: Jakub Kicinski

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