Performance: DPDK refactor

[csit.git] / resources / libraries / python / DPDK / TestpmdTest.py

diff --git a/resources/libraries/python/DPDK/TestpmdTest.py b/resources/libraries/python/DPDK/TestpmdTest.py
new file mode 100644 (file)
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+++ b/resources/libraries/python/DPDK/TestpmdTest.py
@@ -0,0 +1,85 @@
+# Copyright (c) 2020 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 implements functionality which sets L2 forwarding for DPDK on
+DUT nodes.
+"""
+
+from resources.libraries.python.Constants import Constants
+from resources.libraries.python.DpdkUtil import DpdkUtil
+from resources.libraries.python.ssh import exec_cmd_no_error
+from resources.libraries.python.topology import NodeType, Topology
+
+
+class TestpmdTest:
+    """Setup the DPDK for testpmd performance test."""
+
+    @staticmethod
+    def start_testpmd(
+            node, if1, if2, lcores_list, nb_cores, queue_nums,
+            jumbo_frames, rxq_size=1024, txq_size=1024):
+        """
+        Execute the testpmd on the DUT node.
+
+        :param node: DUT node.
+        :param if1: The test link interface 1.
+        :param if2: The test link interface 2.
+        :param lcores_list: The DPDK run cores.
+        :param nb_cores: The cores number for the forwarding.
+        :param queue_nums: The queues number for the NIC.
+        :param jumbo_frames: Indication if the jumbo frames are used (True) or
+            not (False).
+        :param rxq_size: RXQ size. Default=1024.
+        :param txq_size: TXQ size. Default=1024.
+        :type node: dict
+        :type if1: str
+        :type if2: str
+        :type lcores_list: str
+        :type nb_cores: str
+        :type queue_nums: str
+        :type jumbo_frames: bool
+        :type rxq_size: int
+        :type txq_size: int
+        :raises RuntimeError: If the script "run_testpmd.sh" fails.
+        """
+        if node[u"type"] == NodeType.DUT:
+            if_pci0 = Topology.get_interface_pci_addr(node, if1)
+            if_pci1 = Topology.get_interface_pci_addr(node, if2)
+
+            pmd_max_pkt_len = u"9200" if jumbo_frames else u"1518"
+            testpmd_args = DpdkUtil.get_testpmd_args(
+                eal_corelist=f"0,{lcores_list}",
+                eal_driver=False,
+                eal_pci_whitelist0=if_pci0,
+                eal_pci_whitelist1=if_pci1,
+                eal_in_memory=True,
+                pmd_num_mbufs=16384,
+                pmd_fwd_mode=u"io",
+                pmd_nb_ports=u"2",
+                pmd_portmask=u"0x3",
+                pmd_max_pkt_len=pmd_max_pkt_len,
+                pmd_mbuf_size=u"16384",
+                pmd_rxd=rxq_size,
+                pmd_txd=txq_size,
+                pmd_rxq=queue_nums,
+                pmd_txq=queue_nums,
+                pmd_nb_cores=nb_cores,
+                pmd_disable_link_check=True,
+                pmd_auto_start=True,
+                pmd_numa=True
+            )
+
+            command = f"{Constants.REMOTE_FW_DIR}/{Constants.RESOURCES_LIB_SH}"\
+                f"/entry/run_testpmd.sh \"{testpmd_args}\""
+            message = f"Failed to execute testpmd at node {node['host']}"
+            exec_cmd_no_error(node, command, timeout=1800, message=message)