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Message-ID: <40d6352e-8c6b-404f-8b6a-df1816239ab0@nvidia.com>
Date: Wed, 26 Oct 2022 17:00:01 +0300
From: Gal Pressman <gal@...dia.com>
To: Guangbin Huang <huangguangbin2@...wei.com>, davem@...emloft.net,
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Cc: netdev@...r.kernel.org, lipeng321@...wei.com,
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Subject: Re: [PATCH V7 net-next 0/6] ethtool: add support to set/get tx
copybreak buf size and rx buf len
On 18/11/2021 14:12, Guangbin Huang wrote:
> From: Hao Chen <chenhao288@...ilicon.com>
>
> This series add support to set/get tx copybreak buf size and rx buf len via
> ethtool and hns3 driver implements them.
>
> Tx copybreak buf size is used for tx copybreak feature which for small size
> packet or frag. Use ethtool --get-tunable command to get it, and ethtool
> --set-tunable command to set it, examples are as follow:
>
> 1. set tx spare buf size to 102400:
> $ ethtool --set-tunable eth1 tx-buf-size 102400
>
> 2. get tx spare buf size:
> $ ethtool --get-tunable eth1 tx-buf-size
> tx-buf-size: 102400
Hi Guangbin,
Can you please clarify the difference between TX copybreak and TX
copybreak buf size?
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