[dts][PATCH V1]test_plans/rx_timestamp_perf: add note for iavf test

[Yingya Han]

add a note and use the correct driver to test the iavf cases.

Signed-off-by: Yingya Han <yingyax.han at intel.com>
---
 test_plans/rx_timestamp_perf_test_plan.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test_plans/rx_timestamp_perf_test_plan.rst b/test_plans/rx_timestamp_perf_test_plan.rst
index 0fe97b08..d9b8269b 100644
--- a/test_plans/rx_timestamp_perf_test_plan.rst
+++ b/test_plans/rx_timestamp_perf_test_plan.rst
@@ -24,6 +24,10 @@ Prerequisites
     dpdk: git clone http://dpdk.org/git/dpdk
     trex: git clone http://trex-tgn.cisco.com/trex/release/v2.93.tar.gz
 
+.. note::
+
+    Require kernel support rx timestamp offload function in VF.
+
 Test Case
 =========
 The test case check the throughput result with ipv4, in the case,
-- 
2.25.1