[dts] [PATCH] add telemetry test plan

[xuyanjie <yanjie.xu@intel.com>]

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

diff --git a/test_plans/telemetry_test_plan.rst b/test_plans/telemetry_test_plan.rst
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+.. Copyright (c) <2015-2017>, Intel Corporation
+   All rights reserved.
+
+   Redistribution and use in source and binary forms, with or without
+   modification, are permitted provided that the following conditions
+   are met:
+
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+     notice, this list of conditions and the following disclaimer.
+
+   - Redistributions in binary form must reproduce the above copyright
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+     the documentation and/or other materials provided with the
+     distribution.
+
+   - Neither the name of Intel Corporation nor the names of its
+     contributors may be used to endorse or promote products derived
+     from this software without specific prior written permission.
+
+   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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+   OF THE POSSIBILITY OF SUCH DAMAGE.
+
+============================================
+DPDK Telemetry API Tests
+============================================
+
+This test for Telemetry API  for Service Assurance can be run on linux userspace.
+The application which initializes packet forwarding will act as the server, sending metrics
+to the requesting application which acts as the client.
+
+In DPDK, applications can be used to initialize the ``telemetry`` as a virtual device.
+To view incoming traffic on featured ports, the application should be run first (ie. after
+ports are configured).Once the application is running, the service assurance agent
+(for example the collectd plugin) should be run to begin querying the API.
+
+A client connects their Service Assurance application to the DPDK application via a UNIX
+socket. Once a connection is established,a client can send JSON messages to the DPDK
+application requesting metrics via another UNIX client.This request is then handled and parsed
+if valid. The response is then formatted in JSON and sent back to the requesting client
+
+Hardwares::
+------------
+I40E driver NIC  or ixgbe driver NIC
+
+Prerequisites
+=============
+
+1. Enable the telemetry API by modifying the following config option before building DPDK::
+
+	Python >= 2.5
+	Jansson library for JSON serialization
+	CONFIG_RTE_LIBRTE_TELEMETRY=y  and libjansson should be available
+	make install RTE_SDK=`pwd` T=x86_64-native-linuxapp-gcc
+
+2. Configiure PF
+
+	modprobe uio;
+	insmod x86_64-native-linuxapp-gcc/kmod/igb_uio.ko;
+
+3.   Launch testpmd as the primary application with the ``telemetry``
+	./app/testpmd --telemetry
+
+4.   Launch the ``telemetry`` python script with a client filepath :
+
+	 python usertools/telemetry_client.py /var/run/some_client
+
+5. Build should include both  make and mesion static/shared
+
+	For meson build -return to DPDK directory and create a meson folder:
+	cd build
+	ninja
+	This will compile DPDK via the meson build system
+	For make build is normal build
+
+Test case: basic connection for testpmd and telemetry client::
+==================================================================
+
+1. bind two ports and build
+
+  $./usertools/dpdk-devbind.py --bind=igb_uio 18:00.0 18:00.1
+
+2. Run Testpmd with 2 ports
+
+  $ ./x86_64-native-linuxapp-gcc/app/testpmd -c f -n 4  --telemetry -- -i
+
+   For the building meson shared and make shared . tested command should be used  when run on ubuntu OS
+   make share and meson version::
+   $ ./app/testpmd  -c f -n 4 -d librte_mempool_ring.so -d librte_telemetry.so --telemetry --socket-mem=1024,1024 -- -i
+
+ 3.Run Python terminal:
+	python dpdk-telemetry-client.py
+	enter 1/2/ :
+
+ 4. check and verify any error show on testpmd
+
+Test case:  Stats of 2 ports for testpmd and telemetry with same type nic
+=======================================================================================
+
+1.bind two ports
+  $./usertools/dpdk-devbind.py --bind=igb_uio 18:00.0 18:00.1
+
+2. Run Testpmd with 2 ports
+
+  $ ./x86_64-native-linuxapp-gcc/app/testpmd --telemetry  -- -i
+
+3.Run Python terminal:
+
+	python ./usertools/telemetry_client.py
+	enter 1/2/ :
+
+4.check and very any error show on testpmd
+
+5.set rx/tx configration by testpmd
+
+	testpmd-> stop
+	testpmd> show port xstats all
+
+6. telemetry client ,enter 1/2
+
+7. check  the xstats all and  the metrics be displayed on the client terminal in JSON format
+
+	a.	Ensure # of ports stats being returned == # of ports
+	b.	Ensure packet counts (eg rx_good_packets) is 0
+	c.   Ensure extended NIC stats are shown (depends on PMD used for testing, refer to ixgbe/i40e tests for PMD xstats)
+	d.	Ensure extended NIC stats are 0 (eg: rx_q0_packets == 0)
+
+Test case:  Stats of 2 ports for testpmd and telemetry with different  type nic
+=======================================================================================
+
+1.bind two ports
+  $./usertools/dpdk-devbind.py --bind=igb_uio 18:00.0 88:00.1
+
+2. Run Testpmd with 2 ports
+
+  $ ./x86_64-native-linuxapp-gcc/app/testpmd --telemetry  -- -i
+
+3.Run Python terminal:
+
+	python ./usertools/telemetry_client.py
+	enter 1/2/ :
+
+4.check and very any error show on testpmd
+
+5.set rx/tx configration by testpmd
+
+	testpmd-> stop
+	testpmd> show port xstats all
+
+6. telemetry client ,enter 1/2
+
+7. check  the xstats all and  the metrics be displayed on the client terminal in JSON format
+
+	a.	Ensure # of ports stats being returned == # of ports
+	b.	Ensure packet counts (eg rx_good_packets) is 0
+	c.   Ensure extended NIC stats are shown (depends on PMD used for testing, refer to ixgbe/i40e tests for PMD xstats)
+	d.	Ensure extended NIC stats are 0 (eg: rx_q0_packets == 0)
+
+Test case:  Stats of 4 ports for testpmd and telemetry with same type nic
+=======================================================================================
+
+1.bind two ports
+  $./usertools/dpdk-devbind.py --bind=igb_uio 18:00.0 18:00.1 b1:00.0 b1:00.1
+
+2. Run Testpmd with 2 ports
+
+  $ ./x86_64-native-linuxapp-gcc/app/testpmd --telemetry  -- -i
+
+3.Run Python terminal:
+
+	python ./usertools/telemetry_client.py
+	enter 1/2/
+
+4.check and very any error show on testpmd
+
+5.set rx/tx configration by testpmd
+
+	testpmd-> stop
+	testpmd> show port xstats all
+
+6. telemetry client ,enter 1/2
+
+7. check  the xstats all and  the metrics be displayed on the client terminal in JSON format
+
+	a.	Ensure # of ports stats being returned == # of ports
+	b.	Ensure packet counts (eg rx_good_packets) is 0
+	c.   Ensure extended NIC stats are shown (depends on PMD used for testing, refer to ixgbe/i40e tests for PMD xstats)
+	d.	Ensure extended NIC stats are 0 (eg: rx_q0_packets == 0)
+
+Test case:  Stats of 4 ports for testpmd and telemetry with different  type nic
+=======================================================================================
+
+1.bind two ports
+  $./usertools/dpdk-devbind.py --bind=igb_uio 18:00.0 18.00.1 88:00.0 88:00.1
+
+2. Run Testpmd with 2 ports
+
+  $ ./x86_64-native-linuxapp-gcc/app/testpmd --telemetry  -- -i
+
+3.Run Python terminal:
+
+	python ./usertools/telemetry_client.py
+	enter 1/2/ :
+
+4.check and very any error show on testpmd
+
+5.set rx/tx configration by testpmd
+
+	testpmd-> stop
+	testpmd> show port xstats all
+
+6. telemetry client ,enter 1/2
+
+7. check  the xstats all and  the metrics be displayed on the client terminal in JSON format
+
+	a.	Ensure # of ports stats being returned == # of ports
+	b.	Ensure packet counts (eg rx_good_packets) is 0
+	c.   Ensure extended NIC stats are shown (depends on PMD used for testing, refer to ixgbe/i40e tests for PMD xstats)
+	d.	Ensure extended NIC stats are 0 (eg: rx_q0_packets == 0)
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