arpcom intead of foo_ac, remove now unneeded defines, fix support for options NS. Still one compiler warning to fix :-)
problems in the moment are stray intr's in the ifconfig up/down. No way to select all three interfaces on a combo card with AUI/BNC/UTP interfaces and the performance doesn't look good. Only tested with a ISA AUI/BNC card yet.
made for FreeBSD as cvs diffs. This is the 3C509 ethernet driver.