K 10
svn:author
V 2
ae
K 8
svn:date
V 27
2015-03-12T14:55:33.375059Z
K 7
svn:log
V 265
Add if_input_default() method, that will be used for if_input
initialization, when no input method specified before if_attach().

This prevents panics when if_input() method called directly e.g.
from bpf(4) code.

PR:		192426
Reviewed by:	glebius
MFC after:	1 week

END