enable the use of the second rx ring. populate it with 4k frames until the 9k backend allocator is available.
enable the use of the second rx ring. populate it with 4k frames until the
9k backend allocator is available.

vic is the first driver to properly support "jumbo" frames. this is the
model every other driver should follow.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars