netdev - Re: [PATCHv2 NEXT 1/2] net: add external loopback test in ethtool self test

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Message-Id: <20110630.235847.1364630282954525785.davem@davemloft.net>
Date:	Thu, 30 Jun 2011 23:58:47 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	amit.salecha@...gic.com
Cc:	bhutchings@...arflare.com, netdev@...r.kernel.org,
	ameen.rahman@...gic.com, sucheta.chakraborty@...gic.com
Subject: Re: [PATCHv2 NEXT 1/2] net: add external loopback test in ethtool
 self test

From: amit.salecha@...gic.com
Date: Wed, 29 Jun 2011 23:00:49 -0700

> From: Amit Kumar Salecha <amit.salecha@...gic.com>
> 
> External loopback test can be performed by application without any driver
> support on normal Ethernet cards.
> But on CNA devices, where multiple functions share same physical port.
> Here internal loopback test and external loopback test can be initiated by
> multiple functions at same time. To co exist all functions, firmware need
> to regulate what test can be run by which function. So before performing external
> loopback test, command need to send to firmware, which will quiescent other functions.
> 
> User may not want to run external loopback test always. As special cable need to be
> connected for this test.
> So adding explicit flag in ethtool self test, which will specify interface
> to perform external loopback test.
>  ETH_TEST_FL_EXTERNAL_LB: Application set to request external loopback test
>  ETH_TEST_FL_EXTERNAL_LB_DONE: Driver ack if test performed
> 
> Signed-off-by: Amit Kumar Salecha <amit.salecha@...gic.com>

Applied.
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