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Date: Tue, 11 May 2010 09:58:38 -0400
From: Patrick Klos <patrick@klos.com>
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Subject: Intel 82599 with non-Intel SFP+'s?
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Hello,

I am building a packet capture box based on the Intel 82599 controller 
in a FreeBSD box.  I purchased the Intel Ethernet X520 cards and Finisar 
SFP+'s, but apparently the 82599 does not support non-Intel SFP+'s?  The 
code in the driver checks for the SFP vendor if a bit in the device 
capabilities is not set:

                    ixgbe_get_device_caps(hw, &enforce_sfp);
                    if (!(enforce_sfp & IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP)) {
                        // check if the PHY is Intel only
                    }

Any idea how to set the IXGBE_DEVICE_CAPS_ALLOW_ANY_SFP bit in the 
hardware?  Is it even settable?  Why does the 82599 care?  I can't find 
any reference to it in the 82599 datasheet.

Thanks,

Patrick Klos