netdev - Re: HW communication debugging interface

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Message-ID: <20151102061331.GA2216@nanopsycho.orion>
Date:	Mon, 2 Nov 2015 07:13:31 +0100
From:	Jiri Pirko <jiri@...nulli.us>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org, eladr@...lanox.com, idosch@...lanox.com
Subject: Re: HW communication debugging interface - ideas?

Sun, Nov 01, 2015 at 05:51:16PM CET, davem@...emloft.net wrote:
>From: Jiri Pirko <jiri@...nulli.us>
>Date: Wed, 30 Sep 2015 15:51:41 +0200
>
>> 2) generic Netlink (genl) interface. Easy to put metadata in, including the
>> device identificator (pci address). User then can use nlmon in order to
>> be able to use wireshark to see the netlink messages.
>> 
>> Looks like 2) might be viable, well-defined, generic interface to carry
>> this info. What do you think? Does this make sense?
>
>Sorry for the late response.  I definitely prefer this netlink idea,
>particularly for the metadata aspect.
>
>Yes, the ethernet frames should "identify" the device, but I much more
>like the idea of precisely having the geographic ID of the device (PCI
>ID, whatever) available as metadata as well.

Okay. Thanks!
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