[PATCH v4 3/3] doc/testpmd_app_ug: add doc info for queue region

[Wei Zhao <wei.zhao1@intel.com>]

Queue region only support PF by now, so this document is
only for configuration of queue region on PF port.

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
---
 doc/guides/testpmd_app_ug/testpmd_funcs.rst | 40 +++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
index 2ed62f5..f31ec5f 100644
--- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst
+++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst
@@ -842,6 +842,46 @@ Where:
 
    Check the NIC Datasheet for hardware limits.
 
+RSS queue region
+~~~~~~~~~~~~~~~~
+
+Set RSS queue region span on a port::
+
+   testpmd> queue-region set port (port_id) region_id (value) queue_start_index (value) queue_num (value)
+
+Set flowtype mapping on a RSS queue region on a port::
+
+   testpmd> queue-region set port (port_id) region_id (value) flowtype (value)
+
+where:
+
+* For the flowtype(pctype) of packet,the specific index for each type has
+  been defined in file i40e_type.h as enum i40e_filter_pctype.
+
+Set user priority mapping on a RSS queue region on a port::
+
+   testpmd> queue-region set port (port_id) UP (value) region_id (value)
+
+Flush all queue region related configuration on a port::
+
+   testpmd> queue-region flush (on|off) port (port_id)
+
+where:
+* "on"is just an enable function which server for other configuration,
+  it is for all configuration about queue region from up layer,
+  at first will only keep in DPDK softwarestored in driver,
+  only after "flush on", it commit all configuration to HW.
+  "off" is just clean all configuration about queue region just now,
+  and restore all to DPDK i40e driver default config when start up.
+
+Get all queue region related configuration info on a port::
+
+   testpmd> queue-region get port (port_id)
+
+.. note::
+Queue region only support on PF by now, so these command is
+only for configuration of queue region on PF port.
+
 csum parse-tunnel
 ~~~~~~~~~~~~~~~~~
 
-- 
2.7.4