The
sn interface for mac68k, which was derived from a driver for old
NetBSD/pica port, first appeared in
NetBSD 1.3.
Jason Thorpe has rewritten a new machine independent SONIC driver which uses
bus_dma(9) and
bus_space(9) APIs after
NetBSD 1.5 release, and
NetBSD/arc has been switched to using the machine independent (MI) driver.
NetBSD/mac68k has also been switched to using the MI driver after the
NetBSD 4.0 release.