netdev - Re: Trying to implement secondary loopback

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Message-ID: <51432B72.20408@hhi.fraunhofer.de>
Date:	Fri, 15 Mar 2013 15:08:50 +0100
From:	Thomas Martitz <thomas.martitz@....fraunhofer.de>
To:	richard -rw- weinberger <richard.weinberger@...il.com>
CC:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"edumazet@...gle.com" <edumazet@...gle.com>,
	"herbert@...dor.apana.org.au" <herbert@...dor.apana.org.au>
Subject: Re: Trying to implement secondary loopback

Am 15.03.2013 14:56, schrieb richard -rw- weinberger:
> On Fri, Mar 15, 2013 at 2:49 PM, Thomas Martitz
> <thomas.martitz@....fraunhofer.de> wrote:
>> I want the loopback during development of the NIC hardware. Once the NIC is
>> done I drop the loopback and the card will be used for real networking.
>> Thus, I want the loopback to a) test my driver, and b) test the hardware
>> (for each milestone) as I'm implementing it.
>
> Sorry, I still don't get why you need a loopback device for that.
>

What's wrong with loopback? It's the simplest method to get basic 
bidirectional data transfer going.

Can you suggest an alternative approach?

Best regards.

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