K 10
svn:author
V 8
gallatin
K 8
svn:date
V 27
2006-06-14T19:32:00.000000Z
K 7
svn:log
V 277
Much to my surprise, IFQ_DRV_DEQUEUE() can return a null mbuf even if
!IFQ_DRV_IS_EMPTY().  Taking this into account,  I re-structured the
transmit routine so as to avoid adding another if/then in the
critical path.

Thanks to brueffer for showing my how to test with altq/pf.

END