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* Align each RX descriptor to a 4KB boundary; fixes poor RX performance (chipmiod2009-11-031-2/+2
| | | | would stop RX operation if it had to cross a 4KB boundary during receive).
* Offset the start of the RX buffers by two bytes, so that the ethernetmiod2009-11-031-2/+2
| | | | header is properly aligned; speeds up RX buffer -> mbuf copies.
* Looks like I forgot to add files again. These are the most important filesmiod2009-11-011-0/+95
for the new iec(4) driver. Reminded by brad@