linux-kernel - Re: [EXT] Re: [PATCH] net: atlantic: fix check for invalid ethernet addresses

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Message-ID: <639ba08b-12e5-a293-c10e-4f197a24c197@marvell.com>
Date:   Thu, 1 Dec 2022 16:18:31 +0100
From:   Igor Russkikh <irusskikh@...vell.com>
To:     Andrew Lunn <andrew@...n.ch>
CC:     Brian Masney <bmasney@...hat.com>, <davem@...emloft.net>,
        <edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <cth451@...il.com>
Subject: Re: [EXT] Re: [PATCH] net: atlantic: fix check for invalid ethernet
 addresses


Hi Andrew,

>> You should work with Qualcomm on how to update mac addresses of your
> boards.
> 
> Why Qualcomm? I assume the fuses are part of the MAC chip? So Marvell
> should have a tool to program them? Ideally, it should be part of
> 
> ethtool -E|--change-eeprom
> 
> but when i took a quick look, i could not see anything.

Normal production chips should have efuses (and macs) programmed on factory.

Here I assume we have preproduction/development samples which made no way
through the normal process.

Marvell provides normally all the tools to the customers, but these are
internal, we do not make these available to the end users.

Igor