Move ptp_offset_capture for ithe tx device to before the send call in order to prevent tx and rx devices from being scanned simultaneously. Simultaneous scanning seems to increase variance in the offset array, particularly with chips like the i354.
Move ptp_offset_capture for ithe tx device to before the send call in order to prevent tx and rx devices
from being scanned simultaneously. Simultaneous scanning seems to increase variance in the offset array,
particularly with chips like the i354.

dennypage/ethtscal