-# 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:
from ipaddress import ip_address
from robot.api import logger
+from robot.libraries.BuiltIn import BuiltIn
from resources.libraries.python.Constants import Constants
from resources.libraries.python.DUTSetup import DUTSetup
cmd = f"ethtool --set-channels {pf_eth} {channel} {num_queues}"
exec_cmd_no_error(node, cmd, sudo=True)
+ @staticmethod
+ def set_interface_xdp_off(node, pf_pcis):
+ """Detaches any currently attached XDP/BPF program from the specified
+ interfaces.
+
+ :param node: Topology node.
+ :param pf_pcis: List of node's interfaces PCI addresses.
+ :type nodes: dict
+ :type pf_pcis: list
+ """
+ for pf_pci in pf_pcis:
+ pf_eth = InterfaceUtil.pci_to_eth(node, pf_pci)
+ cmd = f"ip link set dev {pf_eth} xdp off"
+ exec_cmd_no_error(node, cmd, sudo=True)
+
@staticmethod
def set_interface_flow_control(node, pf_pcis, rxf=u"off", txf=u"off"):
"""Set Ethernet flow control for specified interfaces.
exec_cmd_no_error(node, cmd, sudo=True)
@staticmethod
- def vpp_set_interface_mtu(node, interface, mtu=9200):
- """Set Ethernet MTU on interface.
+ def vpp_set_interface_mtu(node, interface, mtu):
+ """Apply new MTU value to a VPP hardware interface.
+
+ The interface should be down when this is called.
:param node: VPP node.
- :param interface: Interface to setup MTU. Default: 9200.
+ :param interface: Interface to set MTU on.
:param mtu: Ethernet MTU size in Bytes.
:type node: dict
:type interface: str or int
sw_if_index = Topology.get_interface_sw_index(node, interface)
else:
sw_if_index = interface
-
cmd = u"hw_interface_set_mtu"
err_msg = f"Failed to set interface MTU on host {node[u'host']}"
- args = dict(
- sw_if_index=sw_if_index,
- mtu=int(mtu)
- )
- try:
- with PapiSocketExecutor(node) as papi_exec:
- papi_exec.add(cmd, **args).get_reply(err_msg)
- except AssertionError as err:
- logger.debug(f"Setting MTU failed.\n{err}")
+ args = dict(sw_if_index=sw_if_index, mtu=int(mtu))
+ with PapiSocketExecutor(node) as papi_exec:
+ papi_exec.add(cmd, **args).get_reply(err_msg)
@staticmethod
def vpp_node_interfaces_ready_wait(node, retries=15):
err_msg = f"Failed to set VXLAN bypass on interface " \
f"on host {node[u'host']}"
with PapiSocketExecutor(node) as papi_exec:
- papi_exec.add(cmd, **args).get_replies(err_msg)
+ papi_exec.add(cmd, **args).get_reply(err_msg)
@staticmethod
def vxlan_dump(node, interface=None):
node, u"set logging class af_xdp level debug"
)
- cmd = u"af_xdp_create"
+ cmd = u"af_xdp_create_v2"
pci_addr = Topology.get_interface_pci_addr(node, if_key)
args = dict(
name=InterfaceUtil.pci_to_eth(node, pci_addr),
DUTSetup.pci_driver_bind(node, pf_pci_addr, kernel_driver)
# Initialize PCI VFs.
- DUTSetup.set_sriov_numvfs(node, pf_pci_addr, numvfs)
+ DUTSetup.set_sriov_numvfs(node, pf_pci_addr, numvfs=numvfs)
if not numvfs:
if osi_layer == u"L2":
node, pf_dev, state=u"up"
)
- DUTSetup.pci_vf_driver_unbind(node, pf_pci_addr, vf_id)
- DUTSetup.pci_vf_driver_bind(node, pf_pci_addr, vf_id, uio_driver)
+ vf_pci_addr = DUTSetup.get_virtfn_pci_addr(node, pf_pci_addr, vf_id)
+ current_driver = DUTSetup.get_pci_dev_driver(
+ node, vf_pci_addr.replace(":", r"\:")
+ )
+ if current_driver:
+ DUTSetup.pci_vf_driver_unbind(
+ node, pf_pci_addr, vf_id
+ )
+ DUTSetup.pci_vf_driver_bind(
+ node, pf_pci_addr, vf_id, uio_driver
+ )
# Add newly created ports into topology file
vf_ifc_name = f"{ifc_key}_vif"
- vf_pci_addr = DUTSetup.get_virtfn_pci_addr(node, pf_pci_addr, vf_id)
vf_ifc_key = Topology.add_new_port(node, vf_ifc_name)
Topology.update_interface_name(
node, vf_ifc_key, vf_ifc_name+str(vf_id+1)
thread_data = VPPUtil.vpp_show_threads(node)
worker_cnt = len(thread_data) - 1
if not worker_cnt:
- return None
+ return
worker_ids = list()
if workers:
for item in thread_data:
@staticmethod
def vpp_round_robin_rx_placement_on_all_duts(
- nodes, prefix, workers=None):
+ nodes, prefix, use_dp_cores=False):
"""Set Round Robin interface RX placement on worker threads
on all DUTs.
:param nodes: Topology nodes.
:param prefix: Interface name prefix.
- :param workers: Comma separated worker index numbers intended for
- dataplane work.
+ :param use_dp_cores: Limit to dataplane cores.
:type nodes: dict
:type prefix: str
- :type workers: str
+ :type use_dp_cores: bool
"""
- for node in nodes.values():
- if node[u"type"] == NodeType.DUT:
+ for node_name, node in nodes.items():
+ if node["type"] == NodeType.DUT:
+ workers = None
+ if use_dp_cores:
+ workers = BuiltIn().get_variable_value(
+ f"${{{node_name}_cpu_dp}}"
+ )
InterfaceUtil.vpp_round_robin_rx_placement(
node, prefix, workers
)