netdev - Re: [PATCH net-next v9 06/10] bnxt_en: add support for rx-copybreak ethtool command

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Message-ID: <CACKFLikQrbGR2sn0a+JDW4_WgNh3muZME=3Br6Xra=aEVFKWXA@mail.gmail.com>
Date: Tue, 14 Jan 2025 22:25:56 -0800
From: Michael Chan <michael.chan@...adcom.com>
To: Taehee Yoo <ap420073@...il.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com, 
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	willemb@...gle.com, daniel.zahka@...il.com, 
	Andy Gospodarek <gospo@...adcom.com>
Subject: Re: [PATCH net-next v9 06/10] bnxt_en: add support for rx-copybreak
 ethtool command

On Tue, Jan 14, 2025 at 6:30 AM Taehee Yoo <ap420073@...il.com> wrote:
>
> The bnxt_en driver supports rx-copybreak, but it couldn't be set by
> userspace. Only the default value(256) has worked.
> This patch makes the bnxt_en driver support following command.
> `ethtool --set-tunable <devname> rx-copybreak <value> ` and
> `ethtool --get-tunable <devname> rx-copybreak`.
>
> By this patch, hds_threshol is set to the rx-copybreak value.
> But it will be set by `ethtool -G eth0 hds-thresh N`
> in the next patch.
>
> Reviewed-by: Jakub Kicinski <kuba@...nel.org>
> Reviewed-by: Brett Creeley <brett.creeley@....com>
> Tested-by: Stanislav Fomichev <sdf@...ichev.me>
> Tested-by: Andy Gospodarek <gospo@...adcom.com>
> Signed-off-by: Taehee Yoo <ap420073@...il.com>

Thanks.
Reviewed-by: Michael Chan <michael.chan@...adcom.com>

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