This series adds a minimal vhost-net filter support for RX.
It introduces a UAPI for VHOST_NET_SET_FILTER and a simple
SOCK_SEQPACKET message header. The kernel side keeps a filter
socket reference and routes RX packets to userspace when
it was enabled.

Tested
- vhost=on  and vhost=off

Cindy Lu (3):
  uapi: vhost: add vhost-net netfilter offload API
  vhost/net: add netfilter socket support
  vhost/net: add RX netfilter offload path

 drivers/vhost/net.c        | 338 +++++++++++++++++++++++++++++++++++++
 include/uapi/linux/vhost.h |  20 +++
 2 files changed, 358 insertions(+)

-- 
2.52.0