netdev - Re: [PATCH net-next 3/3] nfp: add support for eeprom get and set command

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Message-ID: <20220825144920.5c709331@kernel.org>
Date:   Thu, 25 Aug 2022 14:49:20 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Simon Horman <simon.horman@...igine.com>
Cc:     David Miller <davem@...emloft.net>,
        Paolo Abeni <pabeni@...hat.com>, netdev@...r.kernel.org,
        oss-drivers@...igine.com
Subject: Re: [PATCH net-next 3/3] nfp: add support for eeprom get and set
 command

On Thu, 25 Aug 2022 16:12:23 +0200 Simon Horman wrote:
> From: Baowen Zheng <baowen.zheng@...igine.com>
> 
> Add support for eeprom get and set operation with ethtool command.
> with this change, we can support commands as:
> 
>  #ethtool -e enp101s0np0 offset 0 length 6
>  Offset          Values
>  ------          ------
>  0x0000:         00 15 4d 16 66 33
> 
>  #ethtool -E enp101s0np0 magic 0x400019ee offset 5 length 1 value 0x88
> 
> We make this change to persist MAC change during driver reload and system
> reboot.

Is there any precedent for writing the MAC address with way?