netdev - Re: [PATCH net-next 1/2] usb: Add base USB MCTP definitions

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Message-ID: <2025020631-trowel-oppressor-6942@gregkh>
Date: Thu, 6 Feb 2025 09:14:52 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Jeremy Kerr <jk@...econstruct.com.au>
Cc: Matt Johnston <matt@...econstruct.com.au>,
	Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-usb@...r.kernel.org,
	Santosh Puranik <spuranik@...dia.com>
Subject: Re: [PATCH net-next 1/2] usb: Add base USB MCTP definitions

On Thu, Feb 06, 2025 at 03:36:05PM +0800, Jeremy Kerr wrote:
> > 
> Hi Greg,
> 
> > > Can do. I have one in the actual driver, but can replicate that
> > > here if it's helpful.
> > 
> > Isn't this a usb.org spec and not a vendor-specific one?
> 
> Nope, all defined by the DMTF - so not really a vendor, but external to
> the USB-IF at least. The only mention of this under USB-IF is the class
> code allocation, along with the note:
> 
>    [0x14] This base class is defined for devices that conform to the
>    “MCTP over USB” found at the DMTF website as DSP0283. This
>    specification defines the usable set of SubClass and Protocol
>    values. Values outside of this defined spec are reserved. These
>    class codes can only be used in Interface Descriptors.

Ah, ok, then a link to the DSP0283 spec here in the .h file would be
good.

thanks,

greg k-h