IXGBE support for The intel 82599 controller.
I was using the ixgbe.ko version 1.3.31.5 for our Intel 82598 based NICs.
The driver uses the "TX head pointer write-back" feature of the chip in order to report the completion of it transmits. We now moved to the 82599 based NICs and I upgraded the driver to v2.0.8-k2 in order to support this chip. This driver does not use the "TX head pointer write-back" feature although the 82599 supports it. I've also modified the driver in order to see if this feature really works in th2 82599 and it seems to work. My questions: 1. What was the reason for not using this feature in the new driver ? 2. Are there known with this feature (chip bug) ? 3. Are there known issues with this feature and HW platforms that needed a rework of the driver ? Thanks Motih |
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