net/dpaa2: support low level loopback tester

[dpdk.git] / doc / guides / nics / dpaa2.rst

diff --git a/doc/guides/nics/dpaa2.rst b/doc/guides/nics/dpaa2.rst
index 769dc4e..392ab05 100644 (file)
--- a/doc/guides/nics/dpaa2.rst
+++ b/doc/guides/nics/dpaa2.rst
@@ -499,6 +499,11 @@ for details.
       Done
       testpmd>
 
+
+* Use dev arg option ``drv_loopback=1`` to loopback packets at
+  driver level. Any packet received will be reflected back by the
+  driver on same port.
+
 Enabling logs
 -------------