netdev - Re: [PATCH net-next] net/ncsi: allow to customize BMC MAC Address offset

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Date:   Thu, 8 Aug 2019 15:32:09 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Tao Ren <taoren@...com>
Cc:     Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Samuel Mendoza-Jonas <sam@...dozajonas.com>,
        "David S . Miller" <davem@...emloft.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "openbmc@...ts.ozlabs.org" <openbmc@...ts.ozlabs.org>,
        William Kennington <wak@...gle.com>,
        Joel Stanley <joel@....id.au>
Subject: Re: [PATCH net-next] net/ncsi: allow to customize BMC MAC Address
 offset

> Let me prepare patch v2 using device tree. I'm not sure if standard
> "mac-address" fits this situation because all we need is an offset
> (integer) and BMC MAC is calculated by adding the offset to NIC's
> MAC address. Anyways, let me work out v2 patch we can discuss more
> then.

Hi Tao

I don't know BMC terminology. By NICs MAC address, you are referring
to the hosts MAC address? The MAC address the big CPU is using for its
interface?  Where does this NIC get its MAC address from? If the BMCs
bootloader has access to it, it can set the mac-address property in
the device tree.

    Andrew