From: Jakub Kicinski
Date: Sat, 22 Apr 2017 20:17:51 -0700
> This series takes advantage of Alex's DMA_ATTR_SKIP_CPU_SYNC to make
> XDP packet modifications "correct" from DMA API point of view. It
> also allows us to parse the metadata before we run XDP at no additional
> DMA sync cost. That
Hi!
This series takes advantage of Alex's DMA_ATTR_SKIP_CPU_SYNC to make
XDP packet modifications "correct" from DMA API point of view. It
also allows us to parse the metadata before we run XDP at no additional
DMA sync cost. That way we can get rid of the metadata memcpy, and
remove the last
