Add the DPDK l3fwd performance test case.

	fix some code style issue and rebase the code.
	change the DPDK l3fwd test case name and rebase the code.
	fix the pylint errors.
	change the DPDK version to 17.05
	Rebase the code.
	Fix the l3fwd test code like the l2fwd.
	Fix the run l3fwd script issues.
	Rebase the code and review.
	Fix the l3fwd script issues.
	verify-perf-dpdk-long

Change-Id: I5c5625ebcd5ff16f47fbee361789be3fece1ddbc
Signed-off-by: Fangyin Hu <fangyinx.hu@intel.com>

2 files changed, 121 insertions, 1 deletions

diff --git a/resources/libraries/python/DPDK/L3fwdTest.py b/resources/libraries/python/DPDK/L3fwdTest.py
new file mode 100644
index 0000000000..6219a08e0c
--- /dev/null
+++ b/resources/libraries/python/DPDK/L3fwdTest.py
@@ -0,0 +1,103 @@
+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+"""
+This module exists to provide the l3fwd test for DPDK on topology nodes.
+"""
+
+from robot.api import logger
+
+from resources.libraries.python.ssh import SSH
+from resources.libraries.python.constants import Constants as con
+from resources.libraries.python.topology import Topology
+
+class L3fwdTest(object):
+    """Test the DPDK l3fwd performance."""
+
+    @staticmethod
+    def start_the_l3fwd_test(nodes_info, dut_node, dut_if1, dut_if2,
+                             nb_cores, lcores_list, queue_nums, jumbo_frames):
+        """
+        Execute the l3fwd on the dut_node.
+
+        :param nodes_info: All the nodes info in the topology file.
+        :param dut_node: Will execute the l3fwd on this node
+        :param dut_if1: The test link interface 1.
+        :param dut_if2: The test link interface 2.
+        :param nb_cores: The cores number for the forwarding
+        :param lcores_list: The lcore list string for the l3fwd routing
+        :param queue_nums: The queues number for the NIC
+        :param jumbo_frames: Is jumbo frames or not. Accepted: yes / no
+        :type nodes_info: dict
+        :type dut_node: dict
+        :type dut_if1: str
+        :type dut_if2: str
+        :type nb_cores: str
+        :type lcores_list: str
+        :type queue_nums: str
+        :type jumbo_frames: str
+        :return: none
+        """
+
+        if_key0 = dut_if1
+        if_key1 = dut_if2
+        if_pci0 = Topology.get_interface_pci_addr(dut_node, if_key0)
+        if_pci1 = Topology.get_interface_pci_addr(dut_node, if_key1)
+
+        # detect which is the port 0
+        if min(if_pci0, if_pci1) != if_pci0:
+            if_key0, if_key1 = if_key1, if_key0
+            if_pci0, if_pci1 = if_pci1, if_pci0
+
+        adj_node0, adj_if_key0 = Topology.get_adjacent_node_and_interface( \
+                                 nodes_info, dut_node, if_key0)
+        adj_node1, adj_if_key1 = Topology.get_adjacent_node_and_interface( \
+                                 nodes_info, dut_node, if_key1)
+
+        adj_mac0 = Topology.get_interface_mac(adj_node0, adj_if_key0)
+        adj_mac1 = Topology.get_interface_mac(adj_node1, adj_if_key1)
+
+        list_cores = lcores_list.split(',')
+
+        # prepare the port config param
+        index = 0
+        port_config = ''
+        for port in range(0, 2):
+            for queue in range(0, int(queue_nums)):
+                if int(nb_cores) == 1:
+                    index = 0
+                    temp_str = '({0}, {1}, {2}),'.format(port, queue, \
+                                                    int(list_cores[index]))
+                else:
+                    temp_str = '({0}, {1}, {2}),'.format(port, queue, \
+                                                    int(list_cores[index]))
+
+                port_config += temp_str
+                index = index + 1
+
+        port_config_param = port_config.rstrip(',')
+
+        ssh = SSH()
+        ssh.connect(dut_node)
+
+        cmd = 'cd {0}/dpdk-tests/dpdk_scripts/ && ./run_l3fwd.sh ' \
+              '"{1}" "{2}" {3} {4} {5}'.format(con.REMOTE_FW_DIR, lcores_list, \
+              port_config_param, adj_mac0, adj_mac1, jumbo_frames)
+
+        (ret_code, _, stderr) = ssh.exec_command(cmd, timeout=600)
+        if ret_code != 0:
+            logger.error('Execute the l3fwd error: {0}'.format(stderr))
+            raise Exception('Failed to execute l3fwd test at node {0}'
+                            .format(dut_node['host']))
+
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index c9cd971cf3..8fb9191063 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -709,7 +709,24 @@ class TrafficGenerator(object):
                                                     duration, rate, framesize,
                                                     _p0, _p1, _async, _latency,
                                                     warmup_time),
-                timeout=int(duration) + 60)
+                timeout = int(duration) + 60)
+        elif traffic_type in ["3-node-IPv4-l3fwd"]:
+            # add for the DPDK l3fwd routing test
+            # please make sure the TG port 0 connect to the DUT port 0
+            (ret, stdout, stderr) = ssh.exec_command(
+                "sh -c '{0}/resources/tools/t-rex/t-rex-stateless.py "
+                "--duration={1} -r {2} -s {3} "
+                "--p{4}_dst_start_ip 2.1.1.2 "
+                "--p{4}_dst_end_ip 2.1.1.254 "
+                "--p{4}_src_start_ip 20.20.20.2 "
+                "--p{5}_dst_start_ip 1.1.1.2 "
+                "--p{5}_dst_end_ip 1.1.1.254 "
+                "--p{5}_src_start_ip 10.10.10.2 "
+                "{6} {7} --warmup_time={8}'".format(Constants.REMOTE_FW_DIR,
+                                                    duration, rate, framesize,
+                                                    _p0, _p1, _async, _latency,
+                                                    warmup_time),
+                timeout=int(duration)+60)
         else:
             raise NotImplementedError('Unsupported traffic type')