netdev - Re: [RFC next-next v2 1/5] net: marvell: prestera: Add driver for Prestera family ASIC devices

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Message-ID: <20200511164324.GE413878@lunn.ch>
Date:   Mon, 11 May 2020 18:43:24 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Jiri Pirko <jiri@...nulli.us>
Cc:     Vadym Kochan <vadym.kochan@...ision.eu>, netdev@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Oleksandr Mazur <oleksandr.mazur@...ision.eu>,
        Serhiy Boiko <serhiy.boiko@...ision.eu>,
        Serhiy Pshyk <serhiy.pshyk@...ision.eu>,
        Volodymyr Mytnyk <volodymyr.mytnyk@...ision.eu>,
        Taras Chornyi <taras.chornyi@...ision.eu>,
        Andrii Savka <andrii.savka@...ision.eu>,
        Jiri Pirko <jiri@...lanox.com>,
        Ido Schimmel <idosch@...lanox.com>,
        Chris Packham <Chris.Packham@...iedtelesis.co.nz>
Subject: Re: [RFC next-next v2 1/5] net: marvell: prestera: Add driver for
 Prestera family ASIC devices

> Though in this case, it is not really a MAC, it is a BASE_MAC...
> Maybe in DSA world this is usual?

In the DSA world we take the MAC address from the master interface.
And all slave interfaces have the same MAC address, so it is not
really a base MAC, it is The MAC. The slaves are however allowed to
change their MAC address.

Where the master interface gets its MAC address from is somebody elses
problem.

	Andrew