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-rw-r--r--resources/libraries/python/Constants.py4
-rw-r--r--resources/libraries/python/TrafficGenerator.py45
2 files changed, 22 insertions, 27 deletions
diff --git a/resources/libraries/python/Constants.py b/resources/libraries/python/Constants.py
index eda94fe40f..1049e47f40 100644
--- a/resources/libraries/python/Constants.py
+++ b/resources/libraries/python/Constants.py
@@ -216,6 +216,10 @@ class Constants:
TREX_EXTRA_CMDLINE = get_str_from_env(
u"TREX_EXTRA_CMDLINE", u"--mbuf-factor 32")
+ # TRex port driver default vfio-pci or set to igb_uio
+ TREX_PORT_DRIVER = get_str_from_env(
+ u"TREX_PORT_DRIVER", u"vfio-pci")
+
# Graph node variant value
GRAPH_NODE_VARIANT = get_str_from_env(u"GRAPH_NODE_VARIANT", u"")
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py
index 2a28896e63..2e03b4b1dc 100644
--- a/resources/libraries/python/TrafficGenerator.py
+++ b/resources/libraries/python/TrafficGenerator.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2022 Cisco and/or its affiliates.
+# Copyright (c) 2023 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:
@@ -31,6 +31,7 @@ from .ssh import exec_cmd_no_error, exec_cmd
from .topology import NodeType
from .topology import NodeSubTypeTG
from .topology import Topology
+from .DUTSetup import DUTSetup as DS
__all__ = [u"TGDropRateSearchImpl", u"TrafficGenerator", u"OptimizedSearch"]
@@ -424,36 +425,26 @@ class TrafficGenerator(AbstractMeasurer):
)
# Prepare interfaces for TRex.
- mlx_ports = u""
+ tg_port_drv = Constants.TREX_PORT_DRIVER
mlx_driver = u""
- itl_ports = u""
for port in tg_node[u"interfaces"].values():
if u"Mellanox" in port.get(u"model"):
- mlx_ports += f" {port.get(u'pci_address')}"
mlx_driver = port.get(u"driver")
- if u"Intel" in port.get(u"model"):
- itl_ports += f" {port.get(u'pci_address')}"
-
- if itl_ports:
- cmd = (
- f"sh -c \"cd {Constants.TREX_INSTALL_DIR}/scripts/ && ",
- f"./dpdk_nic_bind.py -u {itl_ports} || ",
- f"true\""
- )
- exec_cmd_no_error(
- tg_node, cmd, sudo=True,
- message=u"Unbind PCI ports from driver failed!"
- )
- if mlx_ports:
- cmd = (
- f"sh -c \"cd {Constants.TREX_INSTALL_DIR}/scripts/ && ",
- f"./dpdk_nic_bind.py -b {mlx_driver} {mlx_ports} || ",
- f"true\""
- )
- exec_cmd_no_error(
- tg_node, cmd, sudo=True,
- message=u"Bind PCI ports from driver failed!"
- )
+ pci_addr = port.get(u'pci_address')
+ cur_driver = DS.get_pci_dev_driver(tg_node, pci_addr)
+ if cur_driver == mlx_driver:
+ pass
+ elif not cur_driver:
+ DS.pci_driver_bind(tg_node, pci_addr, mlx_driver)
+ else:
+ DS.pci_driver_unbind(tg_node, pci_addr)
+ DS.pci_driver_bind(tg_node, pci_addr, mlx_driver)
+ else:
+ pci_addr = port.get(u'pci_address')
+ cur_driver = DS.get_pci_dev_driver(tg_node, pci_addr)
+ if cur_driver:
+ DS.pci_driver_unbind(tg_node, pci_addr)
+ DS.pci_driver_bind(tg_node, pci_addr, tg_port_drv)
# Start TRex.
cd_cmd = f"cd '{Constants.TREX_INSTALL_DIR}/scripts/'"