* ``--hairpin-mode=0xXX``
- Set the hairpin port mode with bitmask, only valid when hairpin queues number is set.
- bit 4 - explicit Tx flow rule
- bit 1 - two hairpin ports paired
- bit 0 - two hairpin ports loop
+ Set the hairpin port mode with bitmask, only valid when hairpin queues number is set::
+
+ bit 4 - explicit Tx flow rule
+ bit 1 - two hairpin ports paired
+ bit 0 - two hairpin ports loop
+
The default value is 0. Hairpin will use single port mode and implicit Tx flow mode.