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- In wb_rxeof(), if the received packet is less than MINCLSIZE bytes, copy it to an mbuf chain so as to be more frugal in our use of mbuf clusters. - The Winbond chip, like the ASIX, wants the 'TX interrupt request' bit set in the _first_ fragment of a transmitted frame, not the last. (At least the Winbond manual states this unambiguously; too bad I wasn't paying attention when I read it the first time.) - Turn off the transmit threshold mechanism (initialize the threshold to 0). This effectively puts the chip in 'store and forward' mode which seems to cut down on transmit errors a little. It may also reduce transmit performace a bit, but I'm willing to do that if it means better reliability.
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