[dts] [PATCH v1 1/2] test_plans: add test plan for ptp client sample

[Yong Liu <yong.liu@intel.com>]

From: Marvin Liu <yong.liu@intel.com>

The PTP (Precision Time Protocol) client sample application is a simple
example of using the DPDK IEEE1588 API to communicate with a PTP master clock
to synchronize the time on the NIC and, optionally, on the Linux system.

Signed-off-by: Marvin Liu <yong.liu@intel.com>

diff --git a/test_plans/ieee1588_sample_test_plan.rst b/test_plans/ieee1588_sample_test_plan.rst
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+.. Copyright (c) <2015> Intel Corporation
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+   
+================
+ IEEE1588 Sample
+================
+
+The PTP (Precision Time Protocol) client sample application is a simple
+example of using the DPDK IEEE1588 API to communicate with a PTP master clock
+to synchronize the time on the NIC and, optionally, on the Linux system.
+
+
+Prerequisites
+=============
+Assume one port are connected to the tester and tester has been installed
+"linuxptp.x86_64".
+
+The sample should be validated on Forville, Niantic and i350 Nics. 
+
+Test case: ptp client
+=====================
+Start ptp server on tester with IEEE 802.3 network transport.
+    ptp4l -i p785p1 -2 -m
+
+Start ptp client on DUT and wait few seconds.
+    ./examples/ptpclient/build/ptpclient -c f -n 3 -- -T 0 -p 0x1
+
+Check that output message contained T1,T2,T3,T4 clock and time difference
+between master and slave time is about 10us in niantic, 20us in Fortville,
+8us in i350.
+
+Test case: update system
+========================
+Reset DUT clock to initial time and make sure system time has been changed.
+    date -s "1970-01-01 00:00:00" 
+
+Strip DUT and tester board system time.
+    date +"%s.%N"
+
+Start ptp server on tester with IEEE 802.3 network transport.
+    ptp4l -i p785p1 -2 -m
+
+Start ptp client on DUT and wait few seconds.
+    ./examples/ptpclient/build/ptpclient -c f -n 3 -- -T 1 -p 0x1
+
+Make sure DUT system time has been changed to same as tester.
+
+Check that output message contained T1,T2,T3,T4 clock and time difference
+between master and slave time is about 10us in niantic, 20us in Fortville,
+8us in i350.
-- 
1.9.3