-# 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 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
+from resources.libraries.python.constants import Constants
+from resources.libraries.python.topology import NodeType, Topology
class L3fwdTest(object):
"""Test the DPDK l3fwd performance."""
:type lcores_list: str
:type queue_nums: str
:type jumbo_frames: str
- :return: none
"""
+ if dut_node['type'] == NodeType.DUT:
+ adj_mac0, adj_mac1 = L3fwdTest.get_adj_mac(nodes_info, dut_node,
+ dut_if1, dut_if2)
+
+ 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 = '({port}, {queue}, {core}),'.\
+ format(port=port, queue=queue,
+ core=int(list_cores[index]))
+ else:
+ temp_str = '({port}, {queue}, {core}),'.\
+ format(port=port, queue=queue,
+ core=int(list_cores[index]))
+
+ port_config += temp_str
+ index = index + 1
+
+ ssh = SSH()
+ ssh.connect(dut_node)
+
+ cmd = '{fwdir}/tests/dpdk/dpdk_scripts/run_l3fwd.sh ' \
+ '"{lcores}" "{ports}" {mac1} {mac2} {jumbo}'.\
+ format(fwdir=Constants.REMOTE_FW_DIR, lcores=lcores_list,
+ ports=port_config.rstrip(','), mac1=adj_mac0,
+ mac2=adj_mac1, jumbo=jumbo_frames)
+
+ ret_code, _, _ = ssh.exec_command_sudo(cmd, timeout=600)
+ if ret_code != 0:
+ raise Exception('Failed to execute l3fwd test at node {name}'
+ .format(name=dut_node['host']))
+
+ @staticmethod
+ def get_adj_mac(nodes_info, dut_node, dut_if1, dut_if2):
+ """
+ Get adjacency MAC addresses of 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.
+ :type nodes_info: dict
+ :type dut_node: dict
+ :type dut_if1: str
+ :type dut_if2: str
+ :returns: Returns MAC addresses of adjacency DUT nodes.
+ :rtype: str
+ """
if_key0 = dut_if1
if_key1 = dut_if2
if_pci0 = Topology.get_interface_pci_addr(dut_node, if_key0)
# 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_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}/tests/dpdk/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']))
-
+ return adj_mac0, adj_mac1