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Date:   Mon, 20 Jul 2020 11:58:37 +0530
From:   Vishal Kulkarni <>
To:     Andrew Lunn <>
Subject: Re: [PATCH net-next 0/4] cxgb4: add ethtool self_test support

On Friday, July 07/17/20, 2020 at 20:02:51 +0200, Andrew Lunn wrote:
> On Fri, Jul 17, 2020 at 07:17:55PM +0530, Vishal Kulkarni wrote:
> > This series of patches add support for below tests.
> > 1. Adapter status test
> > 2. Link test
> > 3. Link speed test
> > 4. Loopback test
> Hi Vishal
> The loopback test is pretty usual for an ethtool self test. But the
> first 3 are rather odd. They don't really seem to be self tests. What
> reason do you have for adding these? Are you trying to debug a
> specific problem?
> 	 Andrew
Hi Andrew,

Our requirement is to add a list of self tests that can summarize if the adapter is functioning
properly in a single command during system init. The above tests are the most common ones run by
our on-field diagnostics team. Besides, these tests seem to be the most common among other drivers as well.

Hence we have added
1. Adapter status test: Tests whether the adapter is alive or crashed
2. Link test: Adapter PHY is up or not.
3. Link speed test: Adapter has negotiated link speed correctly or not.


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