netdev - Re: HW communication debugging interface

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Message-Id: <8F75544D-55A9-4DDD-96DB-F012DEF41BD5@alum.mit.edu>
Date:	Sun, 1 Nov 2015 09:58:14 -0800
From:	Guy Harris <guy@...m.mit.edu>
To:	Andrew Lunn <andrew@...n.ch>
Cc:	John Fastabend <john.fastabend@...il.com>,
	Jiri Pirko <jiri@...nulli.us>,
	"Rosen, Rami" <rami.rosen@...el.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"eladr@...lanox.com" <eladr@...lanox.com>,
	"idosch@...lanox.com" <idosch@...lanox.com>
Subject: Re: HW communication debugging interface - ideas?


On Oct 6, 2015, at 8:02 AM, Andrew Lunn <andrew@...n.ch> wrote:

>> Sure just throwing out an idea. I suspect whatever interface you have
>> will include the vendor-id or some other identifier and a set of
>> parsers in user space to pretty print the msg.
> 
> If you are going to use wireshark, in this case, all you need to do is
> make the stream as being Ethernet frames. The destination and
> Ethertype tell you all you need to know to identify the protocol.

You will, of course, have registered that Ethertype with the IEEE, to ensure nobody else registers it for use with a different protocol.--
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