docs: devices-- add FEATURES.yaml

Type: docs

Change-Id: I039ba9ad5385452b202366fba0b367506a21ea4f
Signed-off-by: Paul Vinciguerra <pvinci@vinciconsulting.com>
diff --git a/src/vnet/devices/af_packet/FEATURE.yaml b/src/vnet/devices/af_packet/FEATURE.yaml
new file mode 100644
index 0000000..0063014
--- /dev/null
+++ b/src/vnet/devices/af_packet/FEATURE.yaml
@@ -0,0 +1,9 @@
+name: host-interface Device (AF_PACKET)
+maintainer: Damjan Marion <damarion@cisco.com>
+features:
+  - L4 checksum offload
+description: "Create a host interface that will attach to a linux AF_PACKET interface, one side of a veth pair. The veth pair must already exist. Once created, a new host interface will exist in VPP with the name 'host-<ifname>', where '<ifname>' is the name of the specified veth pair. Use the 'show interface' command to display host interface details."
+missing:
+ - API dump details beyond sw_if_index and name
+state: production
+properties: [API, CLI, STATS, MULTITHREAD]