netdev - Re: Diagnostic Monitoring Interface Monitoring (DOM) PATCH 0/5 for net-next-2.6

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Date:	Wed, 25 Nov 2009 00:18:23 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Robert Olsson <robert@...julf.net>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: Diagnostic Monitoring Interface Monitoring (DOM) PATCH 0/5 for 
	net-next-2.6

On Mon, Nov 23, 2009 at 14:45, Robert Olsson <robert@...julf.net> wrote:
>
> Here are basic support to bring Diagnostic Monitoring Interface Monitoring (DOM)
> to Linux this is more or less mandatory when building optical networks.
>
> Optical modules as SFP, SFP+, XFP, GBIC etc holds transceiver and link diagnostic
> data needed to monitor and troubleshoot optical links, Talks to networks cards
> via the I2C-bus (DOM lives in memory page 0xA2).
>
> In essential:
>
> Usage example: ethtool -D eth5
>
> Ext-Calbr: Avr RX-Power: Alarm & Warn: RX_LOS:         Wavelength: 1310 nm
> Alarms, warnings in beginning of line, Ie. AH = Alarm High, WL == Warn Low etc
>       Temp:  35.9 C                   Thresh: Lo: -12.0/-8.0   Hi: 103.0/110.0 C
>       Vcc:  3.33 V                    Thresh: Lo:   3.0/3.0    Hi:   3.7/4.0   V
>       Tx-Bias:  13.4 mA               Thresh: Lo:   2.0/4.0    Hi:  70.0/84.0  mA
> ALWL   TX-pwr:  -5.9 dBm ( 0.26 mW)    Thresh: Lo:  -4.0/-2.0   Hi:   7.0/8.2   dBm
> AHWH   RX-pwr:  -5.0 dBm ( 0.31 mW)    Thresh: Lo: -35.2/-28.0  Hi:  -8.2/-6.0  dBm
>
> Read more in Documentation/networking/dom.txt
>
> It's tested with the igb driver, there is also a patch for the ixgbe driver but I
> haven't any SFP+ with DOM support yet.
>
>
> There are room for improvements an clean-ups.
>
> Cheers
>                                                --ro
>

Robert, to help get more eyes on this I have added it to my tree for
internal testing and review.

-- 
Cheers,
Jeff
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