app/testpmd: add --portlist option

[dpdk.git] / doc / guides / testpmd_app_ug / run_app.rst

diff --git a/doc/guides/testpmd_app_ug/run_app.rst b/doc/guides/testpmd_app_ug/run_app.rst
index 9ab4d70..727ef52 100644 (file)
--- a/doc/guides/testpmd_app_ug/run_app.rst
+++ b/doc/guides/testpmd_app_ug/run_app.rst
@@ -77,6 +77,13 @@ The command line options are:
 
     Set the hexadecimal bitmask of the ports used by the packet forwarding test.
 
+*   ``--portlist=X``
+
+      Set the forwarding ports based on the user input used by the packet forwarding test.
+      '-' denotes a range of ports to set including the two specified port IDs
+      ',' separates multiple port values.
+      Possible examples like --portlist=0,1 or --portlist=0-2 or --portlist=0,1-2 etc
+
 *   ``--numa``
 
     Enable NUMA-aware allocation of RX/TX rings and of RX memory buffers