net/mlx5: add option to configure FCS or decapsulation

[dpdk.git] / doc / guides / nics / mlx5.rst

diff --git a/doc/guides/nics/mlx5.rst b/doc/guides/nics/mlx5.rst
index efb9cd5..90202c0 100644 (file)
--- a/doc/guides/nics/mlx5.rst
+++ b/doc/guides/nics/mlx5.rst
@@ -929,6 +929,15 @@ Driver options
 
   By default, the PMD will set this value to 0.
 
+- ``decap_en`` parameter [int]
+
+  Some devices do not support FCS (frame checksum) scattering for
+  tunnel-decapsulated packets.
+  If set to 0, this option forces the FCS feature and rejects tunnel
+  decapsulation in the flow engine for such devices.
+
+  By default, the PMD will set this value to 1.
+
 .. _mlx5_firmware_config:
 
 Firmware configuration