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-rw-r--r--resources/libraries/python/DPDK/L3fwdTest.py90
1 files changed, 86 insertions, 4 deletions
diff --git a/resources/libraries/python/DPDK/L3fwdTest.py b/resources/libraries/python/DPDK/L3fwdTest.py
index 1c6e618c01..2ceeab2a51 100644
--- a/resources/libraries/python/DPDK/L3fwdTest.py
+++ b/resources/libraries/python/DPDK/L3fwdTest.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2021 Cisco and/or its affiliates.
+# Copyright (c) 2022 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:
@@ -12,19 +12,87 @@
# limitations under the License.
"""
-This module exists to provide the l3fwd test for DPDK on topology nodes.
+This module exists to start l3fwd on topology nodes.
"""
+from robot.libraries.BuiltIn import BuiltIn
from resources.libraries.python.Constants import Constants
+from resources.libraries.python.CpuUtils import CpuUtils
from resources.libraries.python.DpdkUtil import DpdkUtil
from resources.libraries.python.ssh import exec_cmd_no_error, exec_cmd
from resources.libraries.python.topology import NodeType, Topology
-
NB_PORTS = 2
+
class L3fwdTest:
- """Test the DPDK l3fwd performance."""
+ """This class start l3fwd on topology nodes and check if properly started.
+ """
+
+ @staticmethod
+ def start_l3fwd_on_all_duts(
+ nodes, topology_info, phy_cores, rx_queues=None, jumbo_frames=False,
+ rxd=None, txd=None):
+ """
+ Execute the l3fwd on all dut nodes.
+
+ :param nodes: All the nodes info from the topology file.
+ :param topology_info: All the info from the topology file.
+ :param phy_cores: Number of physical cores to use.
+ :param rx_queues: Number of RX queues.
+ :param jumbo_frames: Jumbo frames on/off.
+ :param rxd: Number of RX descriptors.
+ :param txd: Number of TX descriptors.
+
+ :type nodes: dict
+ :type topology_info: dict
+ :type phy_cores: int
+ :type rx_queues: int
+ :type jumbo_frames: bool
+ :type rxd: int
+ :type txd: int
+ :raises RuntimeError: If bash return code is not 0.
+ """
+ cpu_count_int = dp_count_int = int(phy_cores)
+ dp_cores = cpu_count_int+1
+ for node in nodes:
+ if u"DUT" in node:
+ compute_resource_info = CpuUtils.get_affinity_vswitch(
+ nodes, node, phy_cores, rx_queues=rx_queues,
+ rxd=rxd, txd=txd
+ )
+ if dp_count_int > 1:
+ BuiltIn().set_tags('MTHREAD')
+ else:
+ BuiltIn().set_tags('STHREAD')
+ BuiltIn().set_tags(
+ f"{dp_count_int}T{cpu_count_int}C"
+ )
+
+ cpu_dp = compute_resource_info[u"cpu_dp"]
+ rxq_count_int = compute_resource_info[u"rxq_count_int"]
+ if1 = topology_info[f"{node}_pf1"][0]
+ if2 = topology_info[f"{node}_pf2"][0]
+ L3fwdTest.start_l3fwd(
+ nodes, nodes[node], if1=if1, if2=if2, lcores_list=cpu_dp,
+ nb_cores=dp_count_int, queue_nums=rxq_count_int,
+ jumbo_frames=jumbo_frames
+ )
+ for node in nodes:
+ if u"DUT" in node:
+ for i in range(3):
+ try:
+ L3fwdTest.check_l3fwd(nodes[node])
+ break
+ except RuntimeError:
+ L3fwdTest.start_l3fwd(
+ nodes, nodes[node], if1=if1, if2=if2,
+ lcores_list=cpu_dp, nb_cores=dp_count_int,
+ queue_nums=rxq_count_int, jumbo_frames=jumbo_frames
+ )
+ else:
+ message = f"Failed to start l3fwd at node {node}"
+ raise RuntimeError(message)
@staticmethod
def start_l3fwd(
@@ -100,6 +168,20 @@ class L3fwdTest:
message = f"Failed to execute l3fwd test at node {node['host']}"
exec_cmd_no_error(node, command, timeout=1800, message=message)
+ @staticmethod
+ def check_l3fwd(node):
+ """
+ Execute the l3fwd check on the DUT node.
+
+ :param node: DUT node.
+ :type node: dict
+ :raises RuntimeError: If the script "check_l3fwd.sh" fails.
+ """
+ if node[u"type"] == NodeType.DUT:
+ command = f"{Constants.REMOTE_FW_DIR}/{Constants.RESOURCES_LIB_SH}"\
+ f"/entry/check_l3fwd.sh"
+ message = "L3fwd not started properly"
+ exec_cmd_no_error(node, command, timeout=1800, message=message)
@staticmethod
def get_adj_mac(nodes, node, if1, if2):