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-rwxr-xr-xdocs/userguide/testusage.rst11
1 files changed, 10 insertions, 1 deletions
diff --git a/docs/userguide/testusage.rst b/docs/userguide/testusage.rst
index c020b6ca..0c6e189d 100755
--- a/docs/userguide/testusage.rst
+++ b/docs/userguide/testusage.rst
@@ -463,6 +463,13 @@ VSPerf currently supports multi-queue with the following limitations:
default upstream package versions installed by VSPerf satisfy this
requirement.
+ 5. If using OVS versions 2.5.0 or less enable old style multi-queue as shown in
+ the ''02_vswitch.conf'' file.
+
+ .. code-block:: console
+
+ OVS_OLD_STYLE_MQ = True
+
To enable multi-queue modify the ''02_vswitch.conf'' file to enable multi-queue
on the switch.
@@ -476,7 +483,9 @@ applies by checking /sys/class/net/<eth_name>/device/numa_node and setting an
appropriate mask to create PMD threads on the same numa node.
When multi-queue is enabled, each dpdk or dpdkvhostuser port that is created
-on the switch will set the option for multiple queues.
+on the switch will set the option for multiple queues. If old style multi queue
+has been enabled a global option for multi queue will be used instead of the
+port by port option.
To enable multi-queue on the guest modify the ''04_vnf.conf'' file.