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-rw-r--r--Documentation/networking/xdp-rx-metadata.rst7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/networking/xdp-rx-metadata.rst b/Documentation/networking/xdp-rx-metadata.rst
index 25ce72af81..205696780b 100644
--- a/Documentation/networking/xdp-rx-metadata.rst
+++ b/Documentation/networking/xdp-rx-metadata.rst
@@ -105,6 +105,13 @@ bpf_tail_call
Adding programs that access metadata kfuncs to the ``BPF_MAP_TYPE_PROG_ARRAY``
is currently not supported.
+Supported Devices
+=================
+
+It is possible to query which kfunc the particular netdev implements via
+netlink. See ``xdp-rx-metadata-features`` attribute set in
+``Documentation/netlink/specs/netdev.yaml``.
+
Example
=======