ifconfig question

[M. Warner Losh]

In message: <200303301128.09717.wes at softweyr.com>
            Wes Peters <wes at softweyr.com> writes:
: Only if the spec says those are the only valid ranges.  Then we have to 
: keep up to date with changes in the spec, too.  Either some simple sanity 
: checks or checking for truly valid lengths -- 0, 40 bits, 128 bits -- 
: makes even better sense.

128 bits isn't a valid length either.  Only 40 and 104 bits, which we
currently semi-bogusly report as 64-bit and 128-bit.

Warner