From: Rodrigo Cataldo
When a PTM is requested via wr32(IGC_PTM_STAT), the operation may only
be completed by the next read operation (flush). Unfortunately, the next
read operation in the PTM request loop happens after we have already
started evaluating the response timeout.
Thus, the following
From: Rodrigo Cataldo
According to the Intel Software Manual for I225, Section 7.5.2.7,
hicredit should be multiplied by the constant link-rate value, 0x7736.
Currently, the old constant link-rate value, 0x7735, from the boards
supported on igb are being used, most likely due to a copy'n'paste,