-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2018 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:
# See the License for the specific language governing permissions and
# limitations under the License.
-
-"""
-This module exists to provide the l2fwd test for DPDK on topology nodes.
+"""This module implements functionality which sets L2 forwarding for DPDK on
+DUT nodes.
"""
from resources.libraries.python.ssh import SSH
-from resources.libraries.python.constants import Constants as con
+from resources.libraries.python.Constants import Constants
+from resources.libraries.python.topology import NodeType, Topology
+
class L2fwdTest(object):
- """Test the DPDK l2fwd performance."""
+ """Setup the DPDK for l2fwd performance test."""
@staticmethod
- def start_the_l2fwd_test(dut_node, cpu_coremask, nb_cores, queue_nums,
+ def start_the_l2fwd_test(dut_node, cpu_cores, nb_cores, queue_nums,
jumbo_frames):
"""
Execute the l2fwd on the dut_node.
:param dut_node: Will execute the l2fwd on this node.
- :param cpu_coremask: The DPDK run core mask.
+ :param cpu_cores: 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: Is jumbo frames or not.
+ :param jumbo_frames: Indication if the jumbo frames are used (True) or
+ not (False).
:type dut_node: dict
- :type cpu_coremask: str
+ :type cpu_cores: str
:type nb_cores: str
:type queue_nums: str
- :type jumbo_frames: str
- :returns: none
+ :type jumbo_frames: bool
+ :raises RuntimeError: If the script "run_l2fwd.sh" fails.
"""
- ssh = SSH()
- ssh.connect(dut_node)
-
- cmd = 'cd {0}/dpdk-tests/dpdk_scripts/ && sudo ./run_l2fwd.sh ' \
- '{1} {2} {3} {4}'.format(con.REMOTE_FW_DIR, cpu_coremask, \
- nb_cores, queue_nums, jumbo_frames)
-
- (ret_code, _, _) = ssh.exec_command(cmd, timeout=600)
- if ret_code != 0:
- raise Exception('Failed to execute l2fwd test at node {0}'
- .format(dut_node['host']))
-
+ if dut_node['type'] == NodeType.DUT:
+ ssh = SSH()
+ ssh.connect(dut_node)
+
+ arch = Topology.get_node_arch(dut_node)
+ jumbo = 'yes' if jumbo_frames else 'no'
+ cmd = '{fwdir}/tests/dpdk/dpdk_scripts/run_l2fwd.sh {cpu_cores} ' \
+ '{nb_cores} {queues} {jumbo} {arch}'.\
+ format(fwdir=Constants.REMOTE_FW_DIR, cpu_cores=cpu_cores,
+ nb_cores=nb_cores, queues=queue_nums,
+ jumbo=jumbo, arch=arch)
+
+ ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=600)
+ if ret_code != 0:
+ raise RuntimeError('Failed to execute l2fwd test at node '
+ '{name}'.format(name=dut_node['host']))