[dts] [PATCH] revised checksum offload test plan

[xuyanjie]

Signed-off-by: xuyanjie <yanjie.xu at intel.com>

diff --git a/test_plans/checksum_offload_test_plan.rst b/test_plans/checksum_offload_test_plan.rst
index 82fd12f..5128251 100644
--- a/test_plans/checksum_offload_test_plan.rst
+++ b/test_plans/checksum_offload_test_plan.rst
@@ -56,7 +56,7 @@ On the TX side:
 RX side, the L3/L4 checksum offload by hardware can be enabled with the
 following command of the ``testpmd`` application::
 
-   enable-rx-cksum
+   enable-rx-checksum
 
 TX side, the insertion of a L3/L4 checksum by hardware can be enabled with the
 following command of the ``testpmd`` application and running in a dedicated
@@ -81,7 +81,7 @@ Prerequisites
 =============
 
 If using vfio the kernel must be >= 3.6+ and VT-d must be enabled in bios.When
-using vfio, use the following commands to load the vfio driver and bind it
+using vfio, use the following commands to to load the vfio driver and bind it
 to the device under test::
 
    modprobe vfio
@@ -93,7 +93,7 @@ launch the ``testpmd`` with the following arguments::
 
   ./build/app/testpmd -cffffff -n 1 -- -i --burst=1 --txpt=32 \
   --txht=8 --txwt=0 --txfreet=0 --rxfreet=64 --mbcache=250 --portmask=0x5
-  enable-rx-cksum
+  enable-rx-checksum
 
 Set the verbose level to 1 to display information for each received packet::
 
@@ -219,3 +219,27 @@ Configure the traffic generator to send the multiple packets with the following
 combination: good/bad ip checksum + good/bad udp/tcp checksum.
 
 Check the Rx checksum flags consistent with expected flags.
+
+
+Test Case: Validate checksum offload performance
+=================================================================
+At least 2 ports should be binded
+
+packet_sizes = [64, 128, 256, 512, 1024] 
+
+Setup the ``csum`` forwarding mode::
+
+  testpmd> set fwd csum
+  Set csum packet forwarding mode
+
+Start the packet forwarding::
+
+  testpmd> start
+    csum packet forwarding - CRC stripping disabled - packets/burst=32
+    nb forwarding cores=1 - nb forwarding ports=10
+    RX queues=1 - RX desc=128 - RX free threshold=64
+    RX threshold registers: pthresh=8 hthresh=8 wthresh=4
+    TX queues=1 - TX desc=512 - TX free threshold=0
+    TX threshold registers: pthresh=32 hthresh=8 wthresh=8
+
+Configure the traffic generator ixia to send traffic and verify throughput
-- 
2.7.4