K 10
svn:author
V 2
bz
K 8
svn:date
V 27
2014-08-29T12:45:14.099408Z
K 7
svn:log
V 373
Properly place #ifdef INET and #ifdef INET6 around variable declarations
and code to make the code compile.

Give the function seems to be slightly mixed with csum and tso,
make it non-fatal if we try to setup thing on a kernel without IP
support.  In practise the printf on the console will probably still
make your machine unhappy.

MFC after:	3 days
X-MFC with:	r270755

END