linux-kernel - Re: [PATCH 0/3] net/ncsi: Add NC-SI 1.2 Get MC MAC Address command

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Date:   Thu, 22 Dec 2022 11:44:10 +0100
From:   Paolo Abeni <pabeni@...hat.com>
To:     Peter Delevoryas <peter@....dev>
Cc:     sam@...dozajonas.com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, joel@....id.au, gwshan@...ux.vnet.ibm.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] net/ncsi: Add NC-SI 1.2 Get MC MAC Address command

On Tue, 2022-12-20 at 21:22 -0800, Peter Delevoryas wrote:
> NC-SI 1.2 isn't officially released yet, but the DMTF takes way too long
> to finalize stuff, and there's hardware out there that actually supports
> this command (Just the Broadcom 200G NIC afaik).
> 
> The work in progress spec document is here:
> 
> https://www.dmtf.org/sites/default/files/standards/documents/DSP0222_1.2WIP90_0.pdf
> 
> The command code is 0x58, the command has no data, and the response
> returns a variable-length array of MAC addresses for the BMC.
> 
> I've tested this out using QEMU emulation (I added the Mellanox OEM Get
> MAC Address command to libslirp a while ago [1], although the QEMU code
> to use it is still not in upstream QEMU [2] [3]. I worked on some more
> emulation code for this as well), and on the new Broadcom 200G NIC.
> 
> The Nvidia ConnectX-7 NIC doesn't support NC-SI 1.2 yet afaik. Neither
> do older versions in newer firmware, they all just report NC-SI 1.1.
> 
> Let me know what I can do to change this patch to be more suitable for
> upstreaming, I'm happy to work on it more!

This series is targeting the net-next tree, you should include such tag
into the patch subjected.

We have already submitted the networking pull request to Linus
for v6.2 and therefore net-next is closed for new drivers, features,
code refactoring and optimizations. We are currently accepting
bug fixes only.

Please repost when net-next reopens after Jan 2nd.

RFC patches sent for review only are obviously welcome at any time.

Thanks,

Paolo