K 10
svn:author
V 4
mmel
K 8
svn:date
V 27
2020-06-19T19:26:55.255101Z
K 7
svn:log
V 216
Improve if_dwc:
 - refactorize packet receive path. Make sure that we don't leak mbufs
   and/or that we don't create holes in RX descriptor ring
 - slightly simplify handling with TX descriptors

MFC after:	4 weeks

END