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Message-ID: <1518680f-c0b1-4dc8-be05-bd099064ac56@lunn.ch>
Date: Mon, 11 Mar 2024 15:38:47 +0100
From: Andrew Lunn <andrew@...n.ch>
To: Elad Nachman <enachman@...vell.com>
Cc: taras.chornyi@...ision.eu, davem@...emloft.net, edumazet@...gle.com,
kuba@...nel.org, pabeni@...hat.com, kory.maincent@...tlin.com,
thomas.petazzoni@...tlin.com, miquel.raynal@...tlin.com,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] net: marvell: prestera: force good base mac
On Mon, Mar 11, 2024 at 03:51:12PM +0200, Elad Nachman wrote:
> From: Elad Nachman <enachman@...vell.com>
>
> Since each switchport MAC address uses the switch base mac address
> and adds the physical port number to it,
> Force the last byte of the switch base mac address to be at
> least 128, so when adding to it, we will not wrap around the
> previous (more significant) mac address byte, resulting in a
> warning message.
It is not clear to me what the real problem is here. Does the hardware
require that the MAC addresses always have the same upper 5 bytes?
Andrew
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