On Wed, 2016-04-27 at 10:35 +0300, Petko Manolov wrote: > > Nearly all Pegasus devices may append the RX status to the end of the > received packet. It is the default setup for the driver. The > actual ethernet packet is 4 bytes shorter. Why and when 'pkt_len -= > 4' became 'pkt_len -= 8' is again hidden in the mists of time. There > might have been a good reason to do so, but multiple reads of the > datasheet did not point me to any. >
Wild guess: (some) devices pass the FCS, perhaps depending on the configuration? johannes
