from resources.libraries.python.topology import NodeType, Topology
from resources.libraries.python.VatExecutor import VatExecutor, VatTerminal
from resources.libraries.python.VatJsonUtil import VatJsonUtil
+from resources.libraries.python.VPPUtil import VPPUtil
from resources.libraries.python.parsers.JsonParser import JsonParser
-
+from resources.libraries.python.CpuUtils import CpuUtils
class InterfaceUtil(object):
"""General utilities for managing interfaces"""
if node['type'] == NodeType.DUT:
if state == 'up':
- state = 'admin-up'
+ state = 'admin-up link-up'
elif state == 'down':
- state = 'admin-down'
+ state = 'admin-down link-down'
else:
raise ValueError('Unexpected interface state: {}'.format(state))
VatExecutor.cmd_from_template(node, 'set_if_state.vat',
InterfaceUtil.vpp_set_interfaces_mtu_on_node(node, mtu)
@staticmethod
- def vpp_node_interfaces_ready_wait(node, timeout=10):
+ def vpp_node_interfaces_ready_wait(node, timeout=30):
"""Wait until all interfaces with admin-up are in link-up state.
:param node: Node to wait on.
sleep(1)
@staticmethod
- def vpp_nodes_interfaces_ready_wait(nodes, timeout=10):
+ def vpp_nodes_interfaces_ready_wait(nodes, timeout=30):
"""Wait until all interfaces with admin-up are in link-up state for
listed nodes.
InterfaceUtil.vpp_node_interfaces_ready_wait(node, timeout)
@staticmethod
- def all_vpp_interfaces_ready_wait(nodes, timeout=10):
+ def all_vpp_interfaces_ready_wait(nodes, timeout=30):
"""Wait until all interfaces with admin-up are in link-up state for all
nodes in the topology.
try:
numa_node = int(out)
if numa_node < 0:
- raise ValueError
+ if CpuUtils.cpu_node_count(node) == 1:
+ numa_node = 0
+ else:
+ raise ValueError
except ValueError:
logger.trace('Reading numa location failed for: {0}'\
.format(if_pci))
"tap_dump.vat")
if name is None:
return response[0]
- else:
- for item in response[0]:
- if name == item['dev_name']:
- return item
- return {}
+ for item in response[0]:
+ if name == item['dev_name']:
+ return item
+ return {}
@staticmethod
def create_subinterface(node, interface, sub_id, outer_vlan_id=None,
the node.
"""
hw_addr = '' if mac is None else 'hw-addr {mac}'.format(mac=mac)
- lb = '' if load_balance is None \
- else 'lb {lb}'.format(lb=load_balance)
+ ldb = '' if load_balance is None \
+ else 'lb {ldb}'.format(ldb=load_balance)
output = VatExecutor.cmd_from_template(
- node, 'create_bond_interface.vat', mode=mode, lb=lb, mac=hw_addr)
+ node, 'create_bond_interface.vat', mode=mode, lb=ldb, mac=hw_addr)
if output[0].get('retval') == 0:
sw_if_idx = output[0].get('sw_if_index')
- InterfaceUtil.add_bond_eth_interface(node, sw_if_idx=sw_if_idx)
+ InterfaceUtil.add_eth_interface(node, sw_if_idx=sw_if_idx,
+ ifc_pfx='eth_bond')
if_key = Topology.get_interface_by_sw_index(node, sw_if_idx)
return if_key
else:
- raise RuntimeError('Create bond interface failed on node "{n}"'
- .format(n=node['host']))
+ raise RuntimeError('Create bond interface failed on "{host}"'.
+ format(host=node['host']))
@staticmethod
- def add_bond_eth_interface(node, ifc_name=None, sw_if_idx=None):
- """Add BondEthernet interface to current topology.
+ def add_eth_interface(node, ifc_name=None, sw_if_idx=None, ifc_pfx=None):
+ """Add ethernet interface to current topology.
:param node: DUT node from topology.
- :param ifc_name: Name of the BondEthernet interface.
+ :param ifc_name: Name of the interface.
:param sw_if_idx: SW interface index.
+ :param ifc_pfx: Interface key prefix.
:type node: dict
:type ifc_name: str
:type sw_if_idx: int
+ :type ifc_pfx: str
"""
- if_key = Topology.add_new_port(node, 'eth_bond')
+ if_key = Topology.add_new_port(node, ifc_pfx)
vat_executor = VatExecutor()
vat_executor.execute_script_json_out("dump_interfaces.vat", node)
interface_dump_json, sw_if_idx)
Topology.update_interface_mac_address(node, if_key, ifc_mac)
+ @staticmethod
+ def vpp_create_avf_interface(node, vf_pci_addr):
+ """Create AVF interface on VPP node.
+
+ :param node: DUT node from topology.
+ :param vf_pci_addr: Virtual Function PCI address.
+ :type node: dict
+ :type vf_pci_addr: str
+ :returns: Interface key (name) in topology.
+ :rtype: str
+ :raises RuntimeError: If it is not possible to create AVF interface on
+ the node.
+ """
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template('create_avf_interface.vat',
+ vf_pci_addr=vf_pci_addr)
+ output = vat.vat_stdout
+
+ if output is not None:
+ sw_if_idx = int(output.split()[4])
+ InterfaceUtil.add_eth_interface(node, sw_if_idx=sw_if_idx,
+ ifc_pfx='eth_avf')
+ if_key = Topology.get_interface_by_sw_index(node, sw_if_idx)
+ return if_key
+ else:
+ raise RuntimeError('Create AVF interface failed on {host}'.
+ format(host=node['host']))
+
@staticmethod
def vpp_enslave_physical_interface(node, interface, bond_interface):
"""Enslave physical interface to bond interface on VPP node.
.format(node))
@staticmethod
- def set_linux_interface_mac(node, interface, mac, namespace=None):
+ def set_linux_interface_mac(node, interface, mac, namespace=None,
+ vf_id=None):
"""Set MAC address for interface in linux.
:param node: Node where to execute command.
:param interface: Interface in namespace.
:param mac: MAC to be assigned to interface.
:param namespace: Execute command in namespace. Optional
+ :param vf_id: Virtual Function id. Optional
:type node: dict
:type interface: str
:type mac: str
:type namespace: str
+ :type vf_id: int
"""
- if namespace is not None:
- cmd = 'ip netns exec {} ip link set {} address {}'.format(
- namespace, interface, mac)
- else:
- cmd = 'ip link set {} address {}'.format(interface, mac)
+ mac_str = 'vf {vf_id} mac {mac}'.format(vf_id=vf_id, mac=mac) \
+ if vf_id is not None else 'address {mac}'.format(mac=mac)
+ ns_str = 'ip netns exec {ns}'.format(ns=namespace) if namespace else ''
+
+ cmd = ('{ns} ip link set {interface} {mac}'.
+ format(ns=ns_str, interface=interface, mac=mac_str))
+ exec_cmd_no_error(node, cmd, sudo=True)
+
+ @staticmethod
+ def set_linux_interface_trust_on(node, interface, namespace=None,
+ vf_id=None):
+ """Set trust on (promisc) for interface in linux.
+
+ :param node: Node where to execute command.
+ :param interface: Interface in namespace.
+ :param namespace: Execute command in namespace. Optional
+ :param vf_id: Virtual Function id. Optional
+ :type node: dict
+ :type interface: str
+ :type namespace: str
+ :type vf_id: int
+ """
+ trust_str = 'vf {vf_id} trust on'.format(vf_id=vf_id) \
+ if vf_id is not None else 'trust on'
+ ns_str = 'ip netns exec {ns}'.format(ns=namespace) if namespace else ''
+
+ cmd = ('{ns} ip link set dev {interface} {trust}'.
+ format(ns=ns_str, interface=interface, trust=trust_str))
+ exec_cmd_no_error(node, cmd, sudo=True)
+
+ @staticmethod
+ def set_linux_interface_spoof_off(node, interface, namespace=None,
+ vf_id=None):
+ """Set spoof off for interface in linux.
+
+ :param node: Node where to execute command.
+ :param interface: Interface in namespace.
+ :param namespace: Execute command in namespace. Optional
+ :param vf_id: Virtual Function id. Optional
+ :type node: dict
+ :type interface: str
+ :type namespace: str
+ :type vf_id: int
+ """
+ spoof_str = 'vf {vf_id} spoof off'.format(vf_id=vf_id) \
+ if vf_id is not None else 'spoof off'
+ ns_str = 'ip netns exec {ns}'.format(ns=namespace) if namespace else ''
+
+ cmd = ('{ns} ip link set dev {interface} {spoof}'.
+ format(ns=ns_str, interface=interface, spoof=spoof_str))
exec_cmd_no_error(node, cmd, sudo=True)
+
+ @staticmethod
+ def init_avf_interface(node, ifc_key, numvfs=1, topology_type='L2'):
+ """Init PCI device by creating VFs and bind them to vfio-pci for AVF
+ driver testing on DUT.
+
+ :param node: DUT node.
+ :param iface_key: Interface key from topology file.
+ :param numvfs: Number of VFs to initialize, 0 - disable the VFs.
+ :param topology_type: Topology type.
+ :type node: dict
+ :iface_key: str
+ :type numvfs: int
+ :typ topology_type: str
+ :returns: Virtual Function topology interface keys.
+ :rtype: list
+ """
+ ssh = SSH()
+ ssh.connect(node)
+
+ # Read PCI address and driver.
+ pf_pci_addr = Topology.get_interface_pci_addr(node, ifc_key)
+ pf_mac_addr = Topology.get_interface_mac(node, ifc_key).split(":")
+ uio_driver = Topology.get_uio_driver(node)
+ kernel_driver = Topology.get_interface_driver(node, ifc_key)
+ current_driver = DUTSetup.get_pci_dev_driver(node,\
+ pf_pci_addr.replace(':', r'\:'))
+
+ VPPUtil.stop_vpp_service(node)
+ if current_driver != kernel_driver:
+ # PCI device must be re-bound to kernel driver before creating VFs.
+ DUTSetup.verify_kernel_module(node, kernel_driver, force_load=True)
+ # Stop VPP to prevent deadlock.
+ # Unbind from current driver.
+ DUTSetup.pci_driver_unbind(node, pf_pci_addr)
+ # Bind to kernel driver.
+ DUTSetup.pci_driver_bind(node, pf_pci_addr, kernel_driver)
+
+ # Initialize PCI VFs
+ DUTSetup.set_sriov_numvfs(node, pf_pci_addr, numvfs)
+
+ vf_ifc_keys = []
+ # Set MAC address and bind each virtual function to uio driver.
+ for vf_id in range(numvfs):
+ vf_mac_addr = ":".join([pf_mac_addr[0], pf_mac_addr[2],
+ pf_mac_addr[3], pf_mac_addr[4],
+ pf_mac_addr[5], "{:02x}".format(vf_id)])
+
+ pf_dev = '`basename /sys/bus/pci/devices/{pci}/net/*`'.\
+ format(pci=pf_pci_addr)
+ InterfaceUtil.set_linux_interface_trust_on(node, pf_dev,
+ vf_id=vf_id)
+ if topology_type == 'L2':
+ InterfaceUtil.set_linux_interface_spoof_off(node, pf_dev,
+ vf_id=vf_id)
+ InterfaceUtil.set_linux_interface_mac(node, pf_dev, vf_mac_addr,
+ vf_id=vf_id)
+
+ 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 = '{pf_if_key}_vf'.format(pf_if_key=ifc_key)
+ 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))
+ Topology.update_interface_mac_address(node, vf_ifc_key, vf_mac_addr)
+ Topology.update_interface_pci_address(node, vf_ifc_key, vf_pci_addr)
+ vf_ifc_keys.append(vf_ifc_key)
+
+ return vf_ifc_keys
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