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

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Message-ID: <33e3e783-fb93-e628-8baa-a8374540ea25@linux.intel.com>
Date:   Tue, 13 Aug 2019 13:54:26 -0700
From:   Terry Duncan <terry.s.duncan@...ux.intel.com>
To:     Tao Ren <taoren@...com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "openbmc@...ts.ozlabs.org" <openbmc@...ts.ozlabs.org>,
        Ben Wei <benwei@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Samuel Mendoza-Jonas <sam@...dozajonas.com>,
        "David S.Miller" <davem@...emloft.net>,
        William Kennington <wak@...gle.com>
Subject: Re: [PATCH net-next] net/ncsi: allow to customize BMC MAC Address
 offset


On 8/13/19 11:28 AM, Tao Ren wrote:
> On 8/13/19 9:31 AM, Terry Duncan wrote:
>> Tao, in your new patch will it be possible to disable the setting of the BMC MAC?  I would like to be able to send NCSI_OEM_GET_MAC perhaps with netlink (TBD) to get the system address without it affecting the BMC address.
>>
>> I was about to send patches to add support for the Intel adapters when I saw this thread.
>>
>> Thanks,
>>
>> Terry
> 
> Hi Terry,
> 
> Sounds like you are planning to configure BMC MAC address from user space via netlink? Ben Wei <benwei@...com> started a thread "Out-of-band NIC management" in openbmc community for NCSI management using netlink, and you may follow up with him for details.
> 
> I haven't decided what to do in my v2 patch: maybe using device tree, maybe moving the logic to uboot, and I'm also evaluating the netlink option. But it shouldn't impact your patch, because you can disable NCSI_OEM_GET_MAC option from your config file.

Thanks Tao. I see now that disabling the NCSI_OEM_GET_MAC option will do 
what I want.

Best,
Terry