Re: [PATCH net v2] sfc: report supported link speeds on SFP connections

From: David Miller
Date: Wed Jun 08 2016 - 14:19:20 EST


From: Jarod Wilson <jarod@xxxxxxxxxx>
Date: Wed, 8 Jun 2016 09:41:14 -0400

> On Tue, Jun 07, 2016 at 05:20:16PM -0400, Jarod Wilson wrote:
>> On Mon, Jun 06, 2016 at 02:55:29PM -0400, Jarod Wilson wrote:
>> > On Mon, Jun 06, 2016 at 05:29:30PM +0100, Bert Kenward wrote:
>> > > 7000-series SFC NICs connected with an SFP+ module currently fail to
>> > > report any supported link speeds.
>> > >
>> > > Reported-by: Jarod Wilson <jarod@xxxxxxxxxx>
>> > > Signed-off-by: Bert Kenward <bkenward@xxxxxxxxxxxxxx>
>> >
>> > Had a feeling my cut might not have been quite right. Looks good to me.
>> >
>> > Reviewed-by: Jarod Wilson <jarod@xxxxxxxxxx>
>>
>> ...however, upon testing, there's a gotcha. This results in my 10Gbps sfc
>> nic reporting that it supports 40Gbps:
>>
>> $ ethtool ens4f0
>> Settings for ens4f0:
>> Supported ports: [ FIBRE ]
>> Supported link modes: 1000baseT/Full
>> 10000baseT/Full
>> 40000baseKR4/Full
>
> This turned out to be a flub on my part. My local tree wasn't clean, had
> some lingering test/debug crap in it that I thought I'd removed, but
> clearly, hadn't. With that removed, we're all good here.
>
> Tested-by: Jarod Wilson <jarod@xxxxxxxxxx>

Thanks for following up.

Applied, thanks everyone.