def _finalize_physical_nics(self, dpdk_interfaces, dpdk_vars):
"""
Finalizes the physical interfaces
:param dpdk_interfaces: Number of interfaces to be used (type: int)
:param dpdk_vars: variables from config file related to DPDK pktgen
(type: dict)
:return: None
"""
if not dpdk_interfaces == 1 and not dpdk_interfaces == 2:
raise ValueError('No interfaces have been indicated for packet '
'generation usage. Please specify one or two '
'NICs')
# Initialize NIC 1
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --unbind ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_1])
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --bind=ixgbe ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_1])
common.run_command('ifconfig ' +
common.get_interface_name_by_bus_address(
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_1]) +
' up')
if dpdk_interfaces == 2:
# Initialize NIC 2
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --unbind ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_2])
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --bind=ixgbe ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_2])
common.run_command('ifconfig ' +
common.get_interface_name_by_bus_address(
dpdk_vars[conf_file.
CFSP_DPDK_BUS_SLOT_NIC_2]) + ' up')
def run(self):
# Setup packet generator
traffic_time = '10'
packet_size = '512'
traffic_rate_percentage = self.params[THROUGHPUT]
dpdk_pktgen_vars = common.get_dpdk_pktgen_vars()
bus_address = dpdk_pktgen_vars[cfs.CFSP_DPDK_BUS_SLOT_NIC_2]
self.interface_name = \
common.get_interface_name_by_bus_address(bus_address)
packetgen = dpdk.DpdkPacketGenerator()
self._configure_lua_file(traffic_rate_percentage, traffic_time)
packetgen.init_dpdk_pktgen(dpdk_interfaces=1,
pcap_file_0='packet_' + packet_size +
'.pcap',
pcap_file_1='igmp.pcap',
lua_script='constant_traffic.lua',
vlan_0=self.params[VLAN_SENDER],
vlan_1=self.params[VLAN_RECEIVER])
self._init_packet_checker()
# Send constant traffic at a specified rate
common.LOG.debug('Start the packet generator')
packetgen.send_traffic()
common.LOG.debug('Stop the packet generator')
time.sleep(5)
self._finalize_packet_checker()
self._reset_lua_file(traffic_rate_percentage, traffic_time)
return self._get_results()
def run(self):
# Setup packet generator
traffic_time = '10'
packet_size = '512'
traffic_rate_percentage = self.params[THROUGHPUT]
dpdk_pktgen_vars = common.get_dpdk_pktgen_vars()
bus_address = dpdk_pktgen_vars[cfs.CFSP_DPDK_BUS_SLOT_NIC_2]
self.interface_name = \
common.get_interface_name_by_bus_address(bus_address)
packetgen = dpdk.DpdkPacketGenerator()
self._configure_lua_file(traffic_rate_percentage, traffic_time)
packetgen.init_dpdk_pktgen(dpdk_interfaces=1,
pcap_file_0='packet_' + packet_size +
'.pcap',
pcap_file_1='igmp.pcap',
lua_script='constant_traffic.lua',
vlan_0=self.params[VLAN_SENDER],
vlan_1=self.params[VLAN_RECEIVER])
self._init_packet_checker()
# Send constant traffic at a specified rate
common.LOG.debug('Start the packet generator')
packetgen.send_traffic()
common.LOG.debug('Stop the packet generator')
time.sleep(5)
self._finalize_packet_checker()
self._reset_lua_file(traffic_rate_percentage, traffic_time)
return self._get_results()
def _init_physical_nics(self, dpdk_interfaces, dpdk_vars):
"""
Initializes the physical interfaces
:param dpdk_interfaces: Number of interfaces to be used (type: int)
:param dpdk_vars: variables from config file related to DPDK pktgen
(type: dict)
:return: None
"""
if not dpdk_interfaces == 1 and not dpdk_interfaces == 2:
raise ValueError('The number of NICs can be 1 or 2')
# Initialize NIC 1
bus_address_1 = dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_1]
interface_1 = common.get_interface_name_by_bus_address(bus_address_1)
common.run_command('ifconfig ' + interface_1 + ' down')
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --unbind ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_1])
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --bind=igb_uio ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_1])
if dpdk_interfaces == 2:
# Initialize NIC 2
bus_address_2 = dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_2]
interface_2 = common.\
get_interface_name_by_bus_address(bus_address_2)
common.run_command('ifconfig ' + interface_2 + ' down')
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --unbind ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_2])
common.run_command(dpdk_vars[conf_file.CFSP_DPDK_DPDK_DIRECTORY] +
'tools/dpdk_nic_bind.py --bind=igb_uio ' +
dpdk_vars[conf_file.CFSP_DPDK_BUS_SLOT_NIC_2])
