From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: Re: Diagnostic Monitoring Interface Monitoring (DOM) PATCH 0/5 for
	net-next-2.6
Date: Wed, 25 Nov 2009 00:18:23 -0800
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Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
To: Robert Olsson <robert@herjulf.net>
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On Mon, Nov 23, 2009 at 14:45, Robert Olsson <robert@herjulf.net> wrote=
:
>
> Here are basic support to bring Diagnostic Monitoring Interface Monit=
oring (DOM)
> to Linux this is more or less mandatory when building optical network=
s.
>
> Optical modules as SFP, SFP+, XFP, GBIC etc holds transceiver and lin=
k diagnostic
> data needed to monitor and troubleshoot optical links, Talks to netwo=
rks 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: =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 Wavelength: 1310 nm
> Alarms, warnings in beginning of line, Ie. AH =3D Alarm High, WL =3D=3D=
 Warn Low etc
> =C2=A0 =C2=A0 =C2=A0 Temp: =C2=A035.9 C =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 Thresh: Lo: -12.0/-8.0 =C2=A0 Hi: 103.0=
/110.0 C
> =C2=A0 =C2=A0 =C2=A0 Vcc: =C2=A03.33 V =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=
=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0Thresh: Lo: =C2=A0 3.0/3.0 =C2=A0=
 =C2=A0Hi: =C2=A0 3.7/4.0 =C2=A0 V
> =C2=A0 =C2=A0 =C2=A0 Tx-Bias: =C2=A013.4 mA =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 Thresh: Lo: =C2=A0 2.0/4.0 =C2=A0 =C2=A0Hi: =C2=A0=
70.0/84.0 =C2=A0mA
> ALWL =C2=A0 TX-pwr: =C2=A0-5.9 dBm ( 0.26 mW) =C2=A0 =C2=A0Thresh: Lo=
: =C2=A0-4.0/-2.0 =C2=A0 Hi: =C2=A0 7.0/8.2 =C2=A0 dBm
> AHWH =C2=A0 RX-pwr: =C2=A0-5.0 dBm ( 0.31 mW) =C2=A0 =C2=A0Thresh: Lo=
: -35.2/-28.0 =C2=A0Hi: =C2=A0-8.2/-6.0 =C2=A0dBm
>
> 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
> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =
=C2=A0 =C2=A0 =C2=A0 =C2=A0--ro
>

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

--=20
Cheers,
Jeff