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Diffstat (limited to 'resources/libraries/python/DPDK/L3fwdTest.py')
| -rw-r--r-- | resources/libraries/python/DPDK/L3fwdTest.py | 103 |
1 files changed, 103 insertions, 0 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'])) + |