+- ``txqs_max_vec`` parameter [int]
+
+ Enable vectorized Tx only when the number of TX queues is less than or
+ equal to this value. Effective only when ``tx_vec_en`` is enabled.
+
+ On ConnectX-5:
+
+ - Set to 8 by default on ARMv8.
+ - Set to 4 by default otherwise.
+
+ On Bluefield
+
+ - Set to 16 by default.
+