def one_hundred_gbe(testbed, conn_graph_facts, fanout_graph_facts, serializer):
fanout_devices = IxiaFanoutManager(fanout_graph_facts)
fanout_devices.get_fanout_device_details(device_number=0)
device_conn = conn_graph_facts['device_conn']
# The number of ports should be at least two for this test
available_phy_port = fanout_devices.get_ports()
pytest_assert(
len(available_phy_port) > 2,
"Number of physical ports must be at least 2")
configs = []
for i in range(len(available_phy_port)):
rx_id = i
tx_id = (i + 1) % len(available_phy_port)
phy_tx_port = get_location(available_phy_port[tx_id])
phy_rx_port = get_location(available_phy_port[rx_id])
#########################################################################
# common L1 configuration
#########################################################################
tx = Port(name='Tx', location=phy_tx_port)
rx = Port(name='Rx', location=phy_rx_port)
pfc = Ieee8021qbb(pfc_delay=1,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
l1_oneHundredGbe = OneHundredGbe(link_training=True,
ieee_media_defaults=False,
auto_negotiate=False,
speed='one_hundred_gbps',
flow_control=flow_ctl,
rs_fec=True)
common_l1_config = Layer1(name='common L1 config',
choice=l1_oneHundredGbe,
port_names=[tx.name, rx.name])
config = Config(ports=[tx, rx],
layer1=[common_l1_config],
options=Options(PortOptions(location_preemption=True)))
configs.append(config)
return configs
def create_config(self):
fanout_devices = IxiaFanoutManager(self.fanout_graph_facts)
fanout_devices.get_fanout_device_details(device_number=0)
device_conn = self.conn_graph_facts['device_conn']
# The number of ports should be at least three for this test
available_phy_port = fanout_devices.get_ports()
pytest_assert(
len(available_phy_port) > 3,
"Number of physical ports must be at least 3")
# Get interface speed of peer port
for intf in available_phy_port:
peer_port = intf['peer_port']
intf['speed'] = int(device_conn[peer_port]['speed'])
config = ""
port1_location = get_location(available_phy_port[0])
port2_location = get_location(available_phy_port[1])
port3_location = get_location(available_phy_port[2])
port1 = Port(name='Port1', location=port1_location)
port2 = Port(name='Port2', location=port2_location)
port3 = Port(name='Port3', location=port3_location)
pfc = Ieee8021qbb(pfc_delay=1,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
l1_oneHundredGbe = OneHundredGbe(link_training=True,
ieee_media_defaults=False,
auto_negotiate=False,
speed='one_hundred_gbps',
flow_control=flow_ctl,
rs_fec=True)
common_l1_config = Layer1(
name='common L1 config',
choice=l1_oneHundredGbe,
port_names=[port1.name, port2.name, port3.name])
config = Config(ports=[port1, port2, port3],
layer1=[common_l1_config],
options=Options(
PortOptions(location_preemption=True)))
return config
def create_config(self, phy_ports):
"""
Creates config for traffic generator with given physical ports
:param phy_ports: Physical ports config creation on traffic generator
"""
ports = []
one_hundred_gbe_ports = []
for index, phy_port in enumerate(phy_ports, 1):
port_location = get_location(phy_port)
port = Port(name='Port' + str(index), location=port_location)
if (phy_port['speed'] / 1000 == 100):
one_hundred_gbe_ports.append(port.name)
else:
pytest_assert(
False,
"This test supports only 100gbe speed as of now, need to enhance the script based on requirement"
)
ports.append(port)
pfc = Ieee8021qbb(pfc_delay=1,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
one_hundred_gbe = OneHundredGbe(link_training=True,
ieee_media_defaults=False,
auto_negotiate=False,
speed='one_hundred_gbps',
flow_control=flow_ctl,
rs_fec=True)
layer1 = Layer1(name='Layer1 settings',
choice=one_hundred_gbe,
port_names=one_hundred_gbe_ports)
config = Config(ports=ports,
layer1=[layer1],
options=Options(
PortOptions(location_preemption=True)))
return config
def port_configs():
"""This fixture demonstrates setting up configurations that consist
only of port, layer1 and device settings.
"""
from abstract_open_traffic_generator.config import Config
from abstract_open_traffic_generator.device import Device, Ethernet, Ipv4
from abstract_open_traffic_generator.layer1 import FlowControl, Ieee8021qbb, Layer1, OneHundredGbe
from abstract_open_traffic_generator.port import Port
port1 = Port(name='Port 1')
port2 = Port(name='Port 2')
configs = []
for ports in [[port1, port2], [copy.deepcopy(port2),
copy.deepcopy(port1)]]:
pfc = Ieee8021qbb(pfc_delay=1,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
one_hundred_gbe = OneHundredGbe(link_training=True,
ieee_media_defaults=False,
auto_negotiate=False,
speed='one_hundred_gbps',
flow_control=flow_ctl,
rs_fec=True)
layer1 = Layer1(name='Layer1 settings',
choice=one_hundred_gbe,
port_names=[ports[0].name, ports[1].name])
ports[0].devices.append(
Device('Tx Devices',
choice=Ipv4(name='Tx Ipv4',
ethernet=Ethernet(name='Tx Ethernet'))))
ports[1].devices.append(
Device('Rx Devices',
choice=Ipv4(name='Rx Ipv4',
ethernet=Ethernet(name='Rx Ethernet'))))
config = Config(ports=ports, layer1=[layer1])
configs.append(config)
return configs
def testbed_config(conn_graph_facts, fanout_graph_facts, duthost):
ixia_fanout = get_peer_ixia_chassis(conn_data=conn_graph_facts,
dut_hostname=duthost.hostname)
pytest_require(ixia_fanout is not None,
skip_message="Cannot find the peer IXIA chassis")
ixia_fanout_id = list(fanout_graph_facts.keys()).index(ixia_fanout)
ixia_fanout_list = IxiaFanoutManager(fanout_graph_facts)
ixia_fanout_list.get_fanout_device_details(device_number=ixia_fanout_id)
ixia_ports = ixia_fanout_list.get_ports(peer_device=duthost.hostname)
pytest_require(len(ixia_ports) >= 2,
skip_message="The test requires at least two ports")
rx_id = 0
tx_id = 1
rx_port_location = get_tgen_location(ixia_ports[rx_id])
tx_port_location = get_tgen_location(ixia_ports[tx_id])
rx_port_speed = int(ixia_ports[rx_id]['speed'])
tx_port_speed = int(ixia_ports[tx_id]['speed'])
pytest_require(rx_port_speed == tx_port_speed,
skip_message="Two ports should have the same speed")
""" L1 configuration """
rx_port = Port(name='Rx Port', location=rx_port_location)
tx_port = Port(name='Tx Port', location=tx_port_location)
pfc = Ieee8021qbb(pfc_delay=1,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
auto_negotiation = AutoNegotiation(link_training=True, rs_fec=True)
l1_config = Layer1(name='L1 config',
speed='speed_%d_gbps' % (rx_port_speed / 1000),
auto_negotiate=False,
auto_negotiation=auto_negotiation,
flow_control=flow_ctl,
port_names=[tx_port.name, rx_port.name])
config = Config(ports=[tx_port, rx_port],
layer1=[l1_config],
options=Options(PortOptions(location_preemption=True)))
vlan_subnet = get_vlan_subnet(duthost)
pytest_assert(vlan_subnet is not None,
"Fail to get Vlan subnet information")
vlan_ip_addrs = get_addrs_in_subnet(vlan_subnet, 2)
gw_addr = vlan_subnet.split('/')[0]
prefix = vlan_subnet.split('/')[1]
tx_port_ip = vlan_ip_addrs[0]
rx_port_ip = vlan_ip_addrs[1]
tx_gateway_ip = gw_addr
rx_gateway_ip = gw_addr
""" L2/L3 configuration """
tx_ipv4 = Ipv4(name='Tx Ipv4',
address=Pattern(tx_port_ip),
prefix=Pattern(prefix),
gateway=Pattern(tx_gateway_ip),
ethernet=Ethernet(name='Tx Ethernet'))
config.devices.append(
Device(name='Tx Device',
device_count=1,
container_name=tx_port.name,
choice=tx_ipv4))
rx_ipv4 = Ipv4(name='Rx Ipv4',
address=Pattern(rx_port_ip),
prefix=Pattern(prefix),
gateway=Pattern(rx_gateway_ip),
ethernet=Ethernet(name='Rx Ethernet'))
config.devices.append(
Device(name='Rx Device',
device_count=1,
container_name=rx_port.name,
choice=rx_ipv4))
return config
def ixia_testbed_config(conn_graph_facts, fanout_graph_facts, duthosts,
rand_one_dut_hostname):
"""
Geenrate Tgen API config and port config information for the testbed
Args:
conn_graph_facts (pytest fixture)
fanout_graph_facts (pytest fixture)
duthosts (pytest fixture): list of DUTs
rand_one_dut_hostname (pytest fixture): DUT hostname
Returns:
- config (obj): Tgen API config of the testbed
- port_config_list (list): list of port configuration information
"""
duthost = duthosts[rand_one_dut_hostname]
""" Generate L1 config """
ixia_fanout = get_peer_ixia_chassis(conn_data=conn_graph_facts,
dut_hostname=duthost.hostname)
pytest_assert(ixia_fanout is not None, 'Fail to get ixia_fanout')
ixia_fanout_id = list(fanout_graph_facts.keys()).index(ixia_fanout)
ixia_fanout_list = IxiaFanoutManager(fanout_graph_facts)
ixia_fanout_list.get_fanout_device_details(device_number=ixia_fanout_id)
ixia_ports = ixia_fanout_list.get_ports(peer_device=duthost.hostname)
ports = []
port_names = []
port_speed = None
for i in range(len(ixia_ports)):
port = Port(name='Port {}'.format(i),
location=get_tgen_location(ixia_ports[i]))
ports.append(port)
port_names.append(port.name)
if port_speed is None:
port_speed = int(ixia_ports[i]['speed'])
pytest_assert(port_speed == int(ixia_ports[i]['speed']),
'Ports have different link speeds')
pfc = Ieee8021qbb(pfc_delay=0,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
auto_negotiation = AutoNegotiation(link_training=True, rs_fec=True)
speed_gbps = int(port_speed / 1000)
l1_config = Layer1(name='L1 config',
speed='speed_{}_gbps'.format(speed_gbps),
auto_negotiate=False,
auto_negotiation=auto_negotiation,
ieee_media_defaults=False,
flow_control=flow_ctl,
port_names=port_names)
config = Config(ports=ports,
layer1=[l1_config],
options=Options(PortOptions(location_preemption=True)))
port_config_list = []
config_result = __vlan_intf_config(config=config,
port_config_list=port_config_list,
duthost=duthost,
ixia_ports=ixia_ports)
pytest_assert(config_result is True, 'Fail to configure Vlan interfaces')
config_result = __portchannel_intf_config(
config=config,
port_config_list=port_config_list,
duthost=duthost,
ixia_ports=ixia_ports)
pytest_assert(config_result is True,
'Fail to configure portchannel interfaces')
return config, port_config_list
def ixia_testbed(conn_graph_facts, fanout_graph_facts, duthosts,
rand_one_dut_hostname):
"""
L2/L3 Tgen API config for the T0 testbed
Args:
conn_graph_facts (pytest fixture)
fanout_graph_facts (pytest fixture)
duthosts (pytest fixture): list of DUTs
rand_one_dut_hostname (pytest fixture): DUT hostname
Returns:
L2/L3 config for the T0 testbed
"""
duthost = duthosts[rand_one_dut_hostname]
ixia_fanout = get_peer_ixia_chassis(conn_data=conn_graph_facts,
dut_hostname=duthost.hostname)
if ixia_fanout is None:
return None
ixia_fanout_id = list(fanout_graph_facts.keys()).index(ixia_fanout)
ixia_fanout_list = IxiaFanoutManager(fanout_graph_facts)
ixia_fanout_list.get_fanout_device_details(device_number=ixia_fanout_id)
ixia_ports = ixia_fanout_list.get_ports(peer_device=duthost.hostname)
ports = list()
port_names = list()
port_speed = None
""" L1 config """
for i in range(len(ixia_ports)):
port = Port(name='Port {}'.format(i),
location=get_tgen_location(ixia_ports[i]))
ports.append(port)
port_names.append(port.name)
if port_speed is None:
port_speed = int(ixia_ports[i]['speed'])
elif port_speed != int(ixia_ports[i]['speed']):
""" All the ports should have the same bandwidth """
return None
pfc = Ieee8021qbb(pfc_delay=0,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
auto_negotiation = AutoNegotiation(link_training=True, rs_fec=True)
l1_config = Layer1(name='L1 config',
speed='speed_%d_gbps' % int(port_speed / 1000),
auto_negotiate=False,
auto_negotiation=auto_negotiation,
ieee_media_defaults=False,
flow_control=flow_ctl,
port_names=port_names)
config = Config(ports=ports,
layer1=[l1_config],
options=Options(PortOptions(location_preemption=True)))
""" L2/L3 config """
vlan_subnet = get_vlan_subnet(duthost)
if vlan_subnet is None:
return None
vlan_ip_addrs = get_addrs_in_subnet(vlan_subnet, len(ixia_ports))
gw_addr = vlan_subnet.split('/')[0]
prefix = vlan_subnet.split('/')[1]
for i in range(len(ixia_ports)):
ip_stack = Ipv4(name='Ipv4 {}'.format(i),
address=Pattern(vlan_ip_addrs[i]),
prefix=Pattern(prefix),
gateway=Pattern(gw_addr),
ethernet=Ethernet(name='Ethernet {}'.format(i)))
device = Device(name='Device {}'.format(i),
device_count=1,
container_name=port_names[i],
choice=ip_stack)
config.devices.append(device)
return config
def configure_pfc_lossy(api,
phy_tx_port,
phy_rx_port,
port_speed,
tx_port_ip='0.0.0.0',
rx_port_ip='0.0.0.0',
tx_gateway_ip='0.0.0.0',
rx_gateway_ip='0.0.0.',
tx_ip_incr='0.0.0.0',
rx_ip_incr='0.0.0.0',
tx_gateway_incr='0.0.0.0',
rx_gateway_incr='0.0.0.0',
configure_pause_frame=True):
api.set_config(None)
tx = Port(name='Tx', location=phy_tx_port)
rx = Port(name='Rx', location=phy_rx_port)
#########################################################################
# common L1 configuration
#########################################################################
pfc = Ieee8021qbb(pfc_delay=1,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
l1_oneHundredGbe = OneHundredGbe(link_training=True,
ieee_media_defaults=False,
auto_negotiate=False,
speed='one_hundred_gbps',
rs_fec=True,
flow_control=flow_ctl)
common_l1_config = Layer1(name='common L1 config',
choice=l1_oneHundredGbe,
port_names=[tx.name, rx.name])
###########################################################################
# Create TX stack configuration
###########################################################################
tx_ipv4 = Ipv4(name='Tx Ipv4',
address=Pattern(tx_port_ip),
prefix=Pattern('24'),
gateway=Pattern(tx_gateway_ip),
ethernet=Ethernet(name='Tx Ethernet'))
tx.devices.append(Device(name='Tx Device', device_count=1, choice=tx_ipv4))
###########################################################################
# Create RX stack configuration
###########################################################################
rx_ipv4 = Ipv4(name='Rx Ipv4',
address=Pattern(rx_port_ip),
prefix=Pattern('24'),
gateway=Pattern(rx_gateway_ip),
ethernet=Ethernet(name='Rx Ethernet'))
rx.devices.append(Device(name='Rx Device', device_count=1, choice=rx_ipv4))
###########################################################################
# Traffic configuration Test data
###########################################################################
data_endpoint = DeviceTxRx(tx_device_names=[tx.devices[0].name],
rx_device_names=[rx.devices[0].name])
test_dscp = Priority(
Dscp(phb=PATTERN(choice=["0", "1", "2", "5", "6", "7"])))
test_flow = Flow(name='Test Data',
tx_rx=TxRx(data_endpoint),
packet=[
Header(choice=ETHERNET()),
Header(choice=IPV4(priority=test_dscp))
],
size=Size(128),
rate=Rate('line', 50),
duration=Duration(
FixedPackets(packets=0,
delay=1000000000,
delay_unit='nanoseconds')))
###########################################################################
# Traffic configuration Background data
###########################################################################
background_dscp = Priority(Dscp(phb=PATTERN(choice=["3", "4"])))
background_flow = Flow(name='Background Data',
tx_rx=TxRx(data_endpoint),
packet=[
Header(choice=ETHERNET()),
Header(choice=IPV4(priority=background_dscp))
],
size=Size(128),
rate=Rate('line', 50),
duration=Duration(
FixedPackets(packets=0,
delay=1000000000,
delay_unit='nanoseconds')))
###########################################################################
# Traffic configuration Pause
###########################################################################
if (configure_pause_frame):
pause_endpoint = PortTxRx(tx_port_name=rx.name)
pause = Header(
PfcPause(
dst=PATTERN(choice='01:80:C2:00:00:01'),
src=PATTERN(choice='00:00:fa:ce:fa:ce'),
class_enable_vector=PATTERN(choice='E7'),
pause_class_0=PATTERN(choice='ffff'),
pause_class_1=PATTERN(choice='ffff'),
pause_class_2=PATTERN(choice='ffff'),
pause_class_3=PATTERN(choice='0'),
pause_class_4=PATTERN(choice='0'),
pause_class_5=PATTERN(choice='ffff'),
pause_class_6=PATTERN(choice='ffff'),
pause_class_7=PATTERN(choice='ffff'),
))
pause_flow = Flow(name='Pause Storm',
tx_rx=TxRx(pause_endpoint),
packet=[pause],
size=Size(64),
rate=Rate('line', value=100),
duration=Duration(
FixedPackets(packets=0,
delay=0,
delay_unit='nanoseconds')))
flows = [test_flow, background_flow, pause_flow]
else:
flows = [test_flow, background_flow]
###########################################################################
# Set config
###########################################################################
config = Config(ports=[tx, rx], layer1=[common_l1_config], flows=flows)
api.set_config(config)
return config
def configure_pfc_lossy(api,
phy_tx_port,
phy_rx_port,
port_speed,
tx_port_ip='0.0.0.0',
rx_port_ip='0.0.0.0',
tx_gateway_ip='0.0.0.0',
rx_gateway_ip='0.0.0.',
tx_ip_incr='0.0.0.0',
rx_ip_incr='0.0.0.0',
tx_gateway_incr='0.0.0.0',
rx_gateway_incr='0.0.0.0',
configure_pause_frame=True):
api.set_config(None)
tx = Port(name='Tx', location=phy_tx_port)
rx = Port(name='Rx', location=phy_rx_port)
#########################################################################
# common L1 configuration
#########################################################################
pfc = Ieee8021qbb(pfc_delay=1,
pfc_class_0=0,
pfc_class_1=1,
pfc_class_2=2,
pfc_class_3=3,
pfc_class_4=4,
pfc_class_5=5,
pfc_class_6=6,
pfc_class_7=7)
flow_ctl = FlowControl(choice=pfc)
l1_oneHundredGbe = OneHundredGbe(link_training=True,
ieee_media_defaults=False,
auto_negotiate=False,
speed='one_hundred_gbps',
rs_fec=True,
flow_control=flow_ctl)
common_l1_config = Layer1(name='common L1 config',
choice=l1_oneHundredGbe,
port_names=[tx.name, rx.name])
###########################################################################
# Create TX stack configuration
###########################################################################
tx_ipv4 = Ipv4(name='Tx Ipv4',
address=Pattern(tx_port_ip),
prefix=Pattern('24'),
gateway=Pattern(tx_gateway_ip))
tx_ethernet = Ethernet(name='Tx Ethernet', ipv4=tx_ipv4)
tx_device = Device(name='Tx Device',
devices_per_port=1,
ethernets=[tx_ethernet])
tx_device_group = DeviceGroup(name='Tx Device Group',
port_names=[tx.name],
devices=[tx_device])
###########################################################################
# Create RX stack configuration
###########################################################################
rx_ipv4 = Ipv4(name='Rx Ipv4',
address=Pattern(rx_port_ip),
prefix=Pattern('24'),
gateway=Pattern(rx_gateway_ip))
rx_ethernet = Ethernet(name='Rx Ethernet', ipv4=rx_ipv4)
rx_device = Device(name='Rx Device',
devices_per_port=1,
ethernets=[rx_ethernet])
rx_device_group = DeviceGroup(name='Rx Device Group',
port_names=[rx.name],
devices=[rx_device])
###########################################################################
# Traffic configuration Test data
# DHCP = [3, 4]
# ECN BIT = 1
###########################################################################
test_dscp = Priority(
Dscp(phb=FieldPattern(choice=[3, 4]), ecn=FieldPattern('1')))
data_endpoint = DeviceEndpoint(tx_device_names=[tx_device.name],
rx_device_names=[rx_device.name],
packet_encap='ipv4',
src_dst_mesh='',
route_host_mesh='',
bi_directional=False,
allow_self_destined=False)
test_flow = Flow(name='Test Data',
endpoint=Endpoint(data_endpoint),
packet=[
Header(choice=EthernetHeader()),
Header(choice=Ipv4Header(priority=test_dscp))
],
size=Size(128),
rate=Rate('line', 50),
duration=Duration(
FixedPackets(packets=0,
delay=1000000000,
delay_unit='nanoseconds')))
###########################################################################
# Traffic configuration Pause
###########################################################################
if (configure_pause_frame):
pause_endpoint = PortEndpoint(tx_port_name=rx.name)
pause = Header(
PfcPause(
dst=FieldPattern(choice='01:80:C2:00:00:01'),
src=FieldPattern(choice='00:00:fa:ce:fa:ce'),
class_enable_vector=FieldPattern(choice='18'),
pause_class_0=FieldPattern(choice='0'),
pause_class_1=FieldPattern(choice='0'),
pause_class_2=FieldPattern(choice='0'),
pause_class_3=FieldPattern(choice='ffff'),
pause_class_4=FieldPattern(choice='ffff'),
pause_class_5=FieldPattern(choice='0'),
pause_class_6=FieldPattern(choice='0'),
pause_class_7=FieldPattern(choice='0'),
))
pause_flow = Flow(name='Pause Storm',
endpoint=Endpoint(pause_endpoint),
packet=[pause],
size=Size(64),
rate=Rate('line', value=100),
duration=Duration(
FixedPackets(packets=0,
delay=0,
delay_unit='nanoseconds')))
flows = [test_flow, pause_flow]
else:
flows = [test_flow]
###########################################################################
# Set config
###########################################################################
config = Config(ports=[tx, rx],
layer1=[common_l1_config],
device_groups=[tx_device_group, rx_device_group],
flows=flows)
api.set_config(config)
return config