-# Copyright (c) 2016 Cisco and/or its affiliates.
+# Copyright (c) 2019 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:
"""
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."""
: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
+ :param jumbo_frames: Indication if the jumbo frames are used (True) or
+ not (False).
:type nodes_info: dict
:type dut_node: dict
:type dut_if1: str
:type nb_cores: str
:type lcores_list: str
:type queue_nums: str
- :type jumbo_frames: str
- :return: none
+ :type jumbo_frames: bool
"""
- 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 = '({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
-
- 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.rstrip(','), adj_mac0, adj_mac1, jumbo_frames)
-
- (ret_code, _, _) = ssh.exec_command(cmd, timeout=600)
- if ret_code != 0:
- raise Exception('Failed to execute l3fwd test at node {0}'
- .format(dut_node['host']))
+ if dut_node['type'] == NodeType.DUT:
+ adj_mac0, adj_mac1 = L3fwdTest.get_adj_mac(nodes_info, dut_node,
+ dut_if1, dut_if2)
+
+ list_cores = [int(item) for item in lcores_list.split(',')]
+
+ # prepare the port config param
+ nb_cores = int(nb_cores)
+ index = 0
+ port_config = ''
+ for port in range(0, 2):
+ for queue in range(0, int(queue_nums)):
+ index = 0 if nb_cores == 1 else index
+ port_config += '({port}, {queue}, {core}),'.\
+ format(port=port, queue=queue, core=list_cores[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='yes' if jumbo_frames else 'no')
+
+ 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):
# detect which is the port 0
if min(if_pci0, if_pci1) != if_pci0:
if_key0, if_key1 = if_key1, if_key0
+ L3fwdTest.patch_l3fwd(dut_node, 'patch_l3fwd_flip_routes')
adj_node0, adj_if_key0 = Topology.get_adjacent_node_and_interface( \
nodes_info, dut_node, if_key0)
adj_mac1 = Topology.get_interface_mac(adj_node1, adj_if_key1)
return adj_mac0, adj_mac1
+
+ @staticmethod
+ def patch_l3fwd(node, patch):
+ """
+ Patch l3fwd application and recompile.
+
+ :param node: Dictionary created from topology.
+ :param patch: Patch to apply.
+ :type node: dict
+ :type patch: str
+ :raises RuntimeError: Patching of l3fwd failed.
+ """
+ arch = Topology.get_node_arch(node)
+
+ ssh = SSH()
+ ssh.connect(node)
+
+ ret_code, _, _ = ssh.exec_command(
+ '{fwdir}/tests/dpdk/dpdk_scripts/patch_l3fwd.sh {arch} '
+ '{fwdir}/tests/dpdk/dpdk_scripts/{patch}'.
+ format(fwdir=Constants.REMOTE_FW_DIR, arch=arch, patch=patch),
+ timeout=600)
+
+ if ret_code != 0:
+ raise RuntimeError('Patch of l3fwd failed.')
+