netdev - Re: Optics (SFP) monitoring on ixgbe and igbe

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Message-ID: <50A570D7.3080409@gmail.com>
Date:	Thu, 15 Nov 2012 14:46:47 -0800
From:	Jeff Kirsher <tarbal@...il.com>
To:	footplus@...il.com
CC:	Ben Hutchings <bhutchings@...arflare.com>, netdev@...r.kernel.org
Subject: Re: Optics (SFP) monitoring on ixgbe and igbe

On 11/15/2012 01:36 PM, Aurélien wrote:
>> On Fri, Nov 9, 2012 at 4:08 PM, Ben Hutchings <bhutchings@...arflare.com> wrote:
>>> No, the driver also needs to implement ethtool_ops::get_module_info and
>>> ethtool_ops::get_module_eeprom.  But those should be quite easy to do.
>>>
> Hi !
>
> I started to implement these operations in ixgbe.
>
> So far, the result is the attached patch, which applies on dave-m's
> net-next @ 1ff05fb7114a6b4118e0f7d89fed2659f7131b0a. It's not yet
> finished, and since it is my first peek at network drivers I need some
> advice on:
>
> - whether the implementation seems correct for ixgbe and all its
> supported MAC/PHY combinations ?
> - what would be the best way to manage SFF-8472 A0/A2 bank swapping
> mechanism for reading A2h ? (it seems I need to lock the whole -
> adress change sequence - read A2h - address change again - operation)
> in case it's needed. I may not be able to test that, so I may add an
> unsupported return code for now.
> - Is the supported PHY selection correct, or should other PHYs be
> supported ? What should be the rule ?
>
> I have been able to get correct temperature readings with a patched-up
> ethtool, so it seems to work correctly on at least my card (Ethernet
> controller [0200]: Intel Corporation 82599EB 10-Gigabit Network
> Connection [8086:10fb] (rev 01)).
>
> About ethtool, I was thinking about making a -O option for optical
> diagnostics, which would have a readable output. I will make a
> function to parse the A2 register contents, so it can be reused in
> other daemons/libs (SNMP, etc).
>
> Thanks,
> Best regards,
Can you please add me <jeffrey.t.kirsher@...el.com> to the CC on future
patches for ixgbe or ixgb, as I will be the one applying the patch to my
queue?

Thanks
Jeff


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