NetBSD master CVS tree commits

[source%NetBSD.ORG@localhost]

scottr
Sun Jun 15 13:20:15 PDT 1997
Update of /cvsroot/src/sys/arch/mac68k/dev
In directory netbsd1:/var/slash-tmp/cvs-serv14578

Modified Files:
        if_sn.c if_sn_nubus.c if_sn_obio.c if_snreg.h if_snvar.h 
Log Message:
Update from Denny Gentry <denny1%home.com@localhost>, PR 3685:

Simplify the way transmit buffers are managed, remove assumptions about
NBPG, simplify sonic_get handling, update snioctl to be more like other
current drivers, and probably a few other changes I've now forgotten about.