from framework import VppTestCase, VppTestRunner
from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto, VppIpTable
-from vpp_srv6 import SRv6LocalSIDBehaviors, VppSRv6LocalSID, VppSRv6Policy, \
- SRv6PolicyType, VppSRv6Steering, SRv6PolicySteeringTypes
+from vpp_srv6 import (
+ SRv6LocalSIDBehaviors,
+ VppSRv6LocalSID,
+ VppSRv6Policy,
+ SRv6PolicyType,
+ VppSRv6Steering,
+ SRv6PolicySteeringTypes,
+)
import scapy.compat
from scapy.packet import Raw
class TestSRv6(VppTestCase):
- """ SRv6 Test Case """
+ """SRv6 Test Case"""
@classmethod
def setUpClass(cls):
super(TestSRv6, cls).tearDownClass()
def setUp(self):
- """ Perform test setup before each test case.
- """
+ """Perform test setup before each test case."""
super(TestSRv6, self).setUp()
# packet sizes, inclusive L2 overhead
self.reset_packet_infos()
def tearDown(self):
- """ Clean up test setup after each test case.
- """
+ """Clean up test setup after each test case."""
self.teardown_interfaces()
super(TestSRv6, self).tearDown()
- def configure_interface(self,
- interface,
- ipv6=False, ipv4=False,
- ipv6_table_id=0, ipv4_table_id=0):
- """ Configure interface.
+ def configure_interface(
+ self, interface, ipv6=False, ipv4=False, ipv6_table_id=0, ipv4_table_id=0
+ ):
+ """Configure interface.
:param ipv6: configure IPv6 on interface
:param ipv4: configure IPv4 on interface
:param ipv6_table_id: FIB table_id for IPv6
interface.resolve_arp()
interface.admin_up()
- def setup_interfaces(self, ipv6=[], ipv4=[],
- ipv6_table_id=[], ipv4_table_id=[]):
- """ Create and configure interfaces.
+ def setup_interfaces(self, ipv6=[], ipv4=[], ipv6_table_id=[], ipv4_table_id=[]):
+ """Create and configure interfaces.
:param ipv6: list of interface IPv6 capabilities
:param ipv4: list of interface IPv4 capabilities
# setup all interfaces
for i in range(count):
intf = self.pg_interfaces[i]
- self.configure_interface(intf,
- ipv6[i], ipv4[i],
- ipv6_table_id[i], ipv4_table_id[i])
+ self.configure_interface(
+ intf, ipv6[i], ipv4[i], ipv6_table_id[i], ipv4_table_id[i]
+ )
if any(ipv6):
self.logger.debug(self.vapi.cli("show ip6 neighbors"))
return self.pg_interfaces
def teardown_interfaces(self):
- """ Unconfigure and bring down interface.
- """
+ """Unconfigure and bring down interface."""
self.logger.debug("Tearing down interfaces")
# tear down all interfaces
# AFAIK they cannot be deleted
@unittest.skipUnless(0, "PC to fix")
def test_SRv6_T_Encaps(self):
- """ Test SRv6 Transit.Encaps behavior for IPv6.
- """
+ """Test SRv6 Transit.Encaps behavior for IPv6."""
# send traffic to one destination interface
# source and destination are IPv6 only
self.setup_interfaces(ipv6=[True, True])
# configure FIB entries
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)])
+ route = VppIpRoute(
+ self, "a4::", 64, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)]
+ )
route.add_vpp_config()
# configure encaps IPv6 source address
# TODO: API?
self.vapi.cli("set sr encaps source addr a3::")
- bsid = 'a3::9999:1'
+ bsid = "a3::9999:1"
# configure SRv6 Policy
# Note: segment list order: first -> last
sr_policy = VppSRv6Policy(
- self, bsid=bsid,
+ self,
+ bsid=bsid,
is_encap=1,
sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
- weight=1, fib_table=0,
- segments=['a4::', 'a5::', 'a6::c7'],
- source='a3::')
+ weight=1,
+ fib_table=0,
+ segments=["a4::", "a5::", "a6::c7"],
+ source="a3::",
+ )
sr_policy.add_vpp_config()
self.sr_policy = sr_policy
# steer IPv6 traffic to a7::/64 into SRv6 Policy
# use the bsid of the above self.sr_policy
pol_steering = VppSRv6Steering(
- self,
- bsid=self.sr_policy.bsid,
- prefix="a7::", mask_width=64,
- traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV6,
- sr_policy_index=0, table_id=0,
- sw_if_index=0)
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="a7::",
+ mask_width=64,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV6,
+ sr_policy_index=0,
+ table_id=0,
+ sw_if_index=0,
+ )
pol_steering.add_vpp_config()
# log the sr steering policies
# create packets
count = len(self.pg_packet_sizes)
- dst_inner = 'a7::1234'
+ dst_inner = "a7::1234"
pkts = []
# create IPv6 packets without SRH
packet_header = self.create_packet_header_IPv6(dst_inner)
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# create IPv6 packets with SRH
# packets with segments-left 1, active segment a7::
packet_header = self.create_packet_header_IPv6_SRH(
- sidlist=['a8::', 'a7::', 'a6::'],
- segleft=1)
+ sidlist=["a8::", "a7::", "a6::"], segleft=1
+ )
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# create IPv6 packets with SRH and IPv6
# packets with segments-left 1, active segment a7::
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a8::', 'a7::', 'a6::'],
- segleft=1)
+ dst_inner, sidlist=["a8::", "a7::", "a6::"], segleft=1
+ )
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_T_Encaps)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_T_Encaps
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
@unittest.skipUnless(0, "PC to fix")
def test_SRv6_T_Insert(self):
- """ Test SRv6 Transit.Insert behavior (IPv6 only).
- """
+ """Test SRv6 Transit.Insert behavior (IPv6 only)."""
# send traffic to one destination interface
# source and destination are IPv6 only
self.setup_interfaces(ipv6=[True, True])
# configure FIB entries
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)])
+ route = VppIpRoute(
+ self, "a4::", 64, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)]
+ )
route.add_vpp_config()
# configure encaps IPv6 source address
# TODO: API?
self.vapi.cli("set sr encaps source addr a3::")
- bsid = 'a3::9999:1'
+ bsid = "a3::9999:1"
# configure SRv6 Policy
# Note: segment list order: first -> last
sr_policy = VppSRv6Policy(
- self, bsid=bsid,
+ self,
+ bsid=bsid,
is_encap=0,
sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
- weight=1, fib_table=0,
- segments=['a4::', 'a5::', 'a6::c7'],
- source='a3::')
+ weight=1,
+ fib_table=0,
+ segments=["a4::", "a5::", "a6::c7"],
+ source="a3::",
+ )
sr_policy.add_vpp_config()
self.sr_policy = sr_policy
# steer IPv6 traffic to a7::/64 into SRv6 Policy
# use the bsid of the above self.sr_policy
pol_steering = VppSRv6Steering(
- self,
- bsid=self.sr_policy.bsid,
- prefix="a7::", mask_width=64,
- traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV6,
- sr_policy_index=0, table_id=0,
- sw_if_index=0)
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="a7::",
+ mask_width=64,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV6,
+ sr_policy_index=0,
+ table_id=0,
+ sw_if_index=0,
+ )
pol_steering.add_vpp_config()
# log the sr steering policies
# create packets
count = len(self.pg_packet_sizes)
- dst_inner = 'a7::1234'
+ dst_inner = "a7::1234"
pkts = []
# create IPv6 packets without SRH
packet_header = self.create_packet_header_IPv6(dst_inner)
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# create IPv6 packets with SRH
# packets with segments-left 1, active segment a7::
packet_header = self.create_packet_header_IPv6_SRH(
- sidlist=['a8::', 'a7::', 'a6::'],
- segleft=1)
+ sidlist=["a8::", "a7::", "a6::"], segleft=1
+ )
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_T_Insert)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_T_Insert
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
@unittest.skipUnless(0, "PC to fix")
def test_SRv6_T_Encaps_IPv4(self):
- """ Test SRv6 Transit.Encaps behavior for IPv4.
- """
+ """Test SRv6 Transit.Encaps behavior for IPv4."""
# send traffic to one destination interface
# source interface is IPv4 only
# destination interface is IPv6 only
self.setup_interfaces(ipv6=[False, True], ipv4=[True, False])
# configure FIB entries
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)])
+ route = VppIpRoute(
+ self, "a4::", 64, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)]
+ )
route.add_vpp_config()
# configure encaps IPv6 source address
# TODO: API?
self.vapi.cli("set sr encaps source addr a3::")
- bsid = 'a3::9999:1'
+ bsid = "a3::9999:1"
# configure SRv6 Policy
# Note: segment list order: first -> last
sr_policy = VppSRv6Policy(
- self, bsid=bsid,
+ self,
+ bsid=bsid,
is_encap=1,
sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
- weight=1, fib_table=0,
- segments=['a4::', 'a5::', 'a6::c7'],
- source='a3::')
+ weight=1,
+ fib_table=0,
+ segments=["a4::", "a5::", "a6::c7"],
+ source="a3::",
+ )
sr_policy.add_vpp_config()
self.sr_policy = sr_policy
# steer IPv4 traffic to 7.1.1.0/24 into SRv6 Policy
# use the bsid of the above self.sr_policy
pol_steering = VppSRv6Steering(
- self,
- bsid=self.sr_policy.bsid,
- prefix="7.1.1.0", mask_width=24,
- traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV4,
- sr_policy_index=0, table_id=0,
- sw_if_index=0)
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="7.1.1.0",
+ mask_width=24,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_IPV4,
+ sr_policy_index=0,
+ table_id=0,
+ sw_if_index=0,
+ )
pol_steering.add_vpp_config()
# log the sr steering policies
# create packets
count = len(self.pg_packet_sizes)
- dst_inner = '7.1.1.123'
+ dst_inner = "7.1.1.123"
pkts = []
# create IPv4 packets
packet_header = self.create_packet_header_IPv4(dst_inner)
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_T_Encaps_IPv4)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_T_Encaps_IPv4
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
@unittest.skip("VPP crashes after running this test")
def test_SRv6_T_Encaps_L2(self):
- """ Test SRv6 Transit.Encaps behavior for L2.
- """
+ """Test SRv6 Transit.Encaps behavior for L2."""
# send traffic to one destination interface
# source interface is IPv4 only TODO?
# destination interface is IPv6 only
self.setup_interfaces(ipv6=[False, True], ipv4=[False, False])
# configure FIB entries
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)])
+ route = VppIpRoute(
+ self, "a4::", 64, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)]
+ )
route.add_vpp_config()
# configure encaps IPv6 source address
# TODO: API?
self.vapi.cli("set sr encaps source addr a3::")
- bsid = 'a3::9999:1'
+ bsid = "a3::9999:1"
# configure SRv6 Policy
# Note: segment list order: first -> last
sr_policy = VppSRv6Policy(
- self, bsid=bsid,
+ self,
+ bsid=bsid,
is_encap=1,
sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
- weight=1, fib_table=0,
- segments=['a4::', 'a5::', 'a6::c7'],
- source='a3::')
+ weight=1,
+ fib_table=0,
+ segments=["a4::", "a5::", "a6::c7"],
+ source="a3::",
+ )
sr_policy.add_vpp_config()
self.sr_policy = sr_policy
# steer L2 traffic into SRv6 Policy
# use the bsid of the above self.sr_policy
pol_steering = VppSRv6Steering(
- self,
- bsid=self.sr_policy.bsid,
- prefix="::", mask_width=0,
- traffic_type=SRv6PolicySteeringTypes.SR_STEER_L2,
- sr_policy_index=0, table_id=0,
- sw_if_index=self.pg0.sw_if_index)
+ self,
+ bsid=self.sr_policy.bsid,
+ prefix="::",
+ mask_width=0,
+ traffic_type=SRv6PolicySteeringTypes.SR_STEER_L2,
+ sr_policy_index=0,
+ table_id=0,
+ sw_if_index=self.pg0.sw_if_index,
+ )
pol_steering.add_vpp_config()
# log the sr steering policies
# create L2 packets without dot1q header
packet_header = self.create_packet_header_L2()
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# create L2 packets with dot1q header
packet_header = self.create_packet_header_L2(vlan=123)
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_T_Encaps_L2)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_T_Encaps_L2
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
self.teardown_interfaces()
def test_SRv6_End(self):
- """ Test SRv6 End (without PSP) behavior.
- """
+ """Test SRv6 End (without PSP) behavior."""
# send traffic to one destination interface
# source and destination interfaces are IPv6 only
self.setup_interfaces(ipv6=[True, True])
# configure FIB entries
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)])
+ route = VppIpRoute(
+ self, "a4::", 64, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)]
+ )
route.add_vpp_config()
# configure SRv6 localSID End without PSP behavior
localsid = VppSRv6LocalSID(
- self, localsid='A3::0',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_END,
- nh_addr=0,
- end_psp=0,
- sw_if_index=0,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::0",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_END,
+ nh_addr=0,
+ end_psp=0,
+ sw_if_index=0,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# send one packet per SL value per packet size
# SL=0 packet with localSID End with USP needs 2nd SRH
count = len(self.pg_packet_sizes)
- dst_inner = 'a4::1234'
+ dst_inner = "a4::1234"
pkts = []
# packets with segments-left 2, active segment a3::
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a5::', 'a4::', 'a3::'],
- segleft=2)
+ dst_inner, sidlist=["a5::", "a4::", "a3::"], segleft=2
+ )
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets with segments-left 1, active segment a3::
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a4::', 'a3::', 'a2::'],
- segleft=1)
+ dst_inner, sidlist=["a4::", "a3::", "a2::"], segleft=1
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# TODO: test behavior with SL=0 packet (needs 2*SRH?)
expected_count = len(pkts)
# packets without SRH (should not crash)
- packet_header = self.create_packet_header_IPv6('a3::')
+ packet_header = self.create_packet_header_IPv6("a3::")
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_End,
- expected_count=expected_count)
+ self.send_and_verify_pkts(
+ self.pg0,
+ pkts,
+ self.pg1,
+ self.compare_rx_tx_packet_End,
+ expected_count=expected_count,
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
self.teardown_interfaces()
def test_SRv6_End_with_PSP(self):
- """ Test SRv6 End with PSP behavior.
- """
+ """Test SRv6 End with PSP behavior."""
# send traffic to one destination interface
# source and destination interfaces are IPv6 only
self.setup_interfaces(ipv6=[True, True])
# configure FIB entries
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index)])
+ route = VppIpRoute(
+ self, "a4::", 64, [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index)]
+ )
route.add_vpp_config()
# configure SRv6 localSID End with PSP behavior
localsid = VppSRv6LocalSID(
- self, localsid='A3::0',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_END,
- nh_addr=0,
- end_psp=1,
- sw_if_index=0,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::0",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_END,
+ nh_addr=0,
+ end_psp=1,
+ sw_if_index=0,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# send one packet per SL value per packet size
# SL=0 packet with localSID End with PSP is dropped
count = len(self.pg_packet_sizes)
- dst_inner = 'a4::1234'
+ dst_inner = "a4::1234"
pkts = []
# packets with segments-left 2, active segment a3::
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a5::', 'a4::', 'a3::'],
- segleft=2)
+ dst_inner, sidlist=["a5::", "a4::", "a3::"], segleft=2
+ )
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets with segments-left 1, active segment a3::
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a4::', 'a3::', 'a2::'],
- segleft=1)
+ dst_inner, sidlist=["a4::", "a3::", "a2::"], segleft=1
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_End_PSP)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_End_PSP
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
self.teardown_interfaces()
def test_SRv6_End_X(self):
- """ Test SRv6 End.X (without PSP) behavior.
- """
+ """Test SRv6 End.X (without PSP) behavior."""
# create three interfaces (1 source, 2 destinations)
# source and destination interfaces are IPv6 only
self.setup_interfaces(ipv6=[True, True, True])
# configure FIB entries
# a4::/64 via pg1 and pg2
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index),
- VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index)])
+ route = VppIpRoute(
+ self,
+ "a4::",
+ 64,
+ [
+ VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index),
+ VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index),
+ ],
+ )
route.add_vpp_config()
self.logger.debug(self.vapi.cli("show ip6 fib"))
# configure SRv6 localSID End.X without PSP behavior
# End.X points to interface pg1
localsid = VppSRv6LocalSID(
- self, localsid='A3::C4',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_X,
- nh_addr=self.pg1.remote_ip6,
- end_psp=0,
- sw_if_index=self.pg1.sw_if_index,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::C4",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_X,
+ nh_addr=self.pg1.remote_ip6,
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# send one packet per SL value per packet size
# SL=0 packet with localSID End with PSP is dropped
count = len(self.pg_packet_sizes)
- dst_inner = 'a4::1234'
+ dst_inner = "a4::1234"
pkts = []
# packets with segments-left 2, active segment a3::c4
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a5::', 'a4::', 'a3::c4'],
- segleft=2)
+ dst_inner, sidlist=["a5::", "a4::", "a3::c4"], segleft=2
+ )
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets with segments-left 1, active segment a3::c4
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a4::', 'a3::c4', 'a2::'],
- segleft=1)
+ dst_inner, sidlist=["a4::", "a3::c4", "a2::"], segleft=1
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
# using same comparison function as End (no PSP)
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_End)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_End
+ )
# assert nothing was received on the other interface (pg2)
self.pg2.assert_nothing_captured(remark="mis-directed packet(s)")
self.teardown_interfaces()
def test_SRv6_End_X_with_PSP(self):
- """ Test SRv6 End.X with PSP behavior.
- """
+ """Test SRv6 End.X with PSP behavior."""
# create three interfaces (1 source, 2 destinations)
# source and destination interfaces are IPv6 only
self.setup_interfaces(ipv6=[True, True, True])
# configure FIB entries
# a4::/64 via pg1 and pg2
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(
- self.pg1.remote_ip6,
- self.pg1.sw_if_index),
- VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index)])
+ route = VppIpRoute(
+ self,
+ "a4::",
+ 64,
+ [
+ VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index),
+ VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index),
+ ],
+ )
route.add_vpp_config()
# configure SRv6 localSID End with PSP behavior
localsid = VppSRv6LocalSID(
- self, localsid='A3::C4',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_X,
- nh_addr=self.pg1.remote_ip6,
- end_psp=1,
- sw_if_index=self.pg1.sw_if_index,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::C4",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_X,
+ nh_addr=self.pg1.remote_ip6,
+ end_psp=1,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# send one packet per SL value per packet size
# SL=0 packet with localSID End with PSP is dropped
count = len(self.pg_packet_sizes)
- dst_inner = 'a4::1234'
+ dst_inner = "a4::1234"
pkts = []
# packets with segments-left 2, active segment a3::
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a5::', 'a4::', 'a3::c4'],
- segleft=2)
+ dst_inner, sidlist=["a5::", "a4::", "a3::c4"], segleft=2
+ )
# create traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets with segments-left 1, active segment a3::
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a4::', 'a3::c4', 'a2::'],
- segleft=1)
+ dst_inner, sidlist=["a4::", "a3::c4", "a2::"], segleft=1
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
# using same comparison function as End with PSP
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_End_PSP)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_End_PSP
+ )
# assert nothing was received on the other interface (pg2)
self.pg2.assert_nothing_captured(remark="mis-directed packet(s)")
self.teardown_interfaces()
def test_SRv6_End_DX6(self):
- """ Test SRv6 End.DX6 behavior.
- """
+ """Test SRv6 End.DX6 behavior."""
# send traffic to one destination interface
# source and destination interfaces are IPv6 only
self.setup_interfaces(ipv6=[True, True])
# configure SRv6 localSID End.DX6 behavior
localsid = VppSRv6LocalSID(
- self, localsid='A3::C4',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX6,
- nh_addr=self.pg1.remote_ip6,
- end_psp=0,
- sw_if_index=self.pg1.sw_if_index,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::C4",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX6,
+ nh_addr=self.pg1.remote_ip6,
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# create IPv6 packets with SRH (SL=0)
# send one packet per packet size
count = len(self.pg_packet_sizes)
- dst_inner = 'a4::1234' # inner header destination address
+ dst_inner = "a4::1234" # inner header destination address
pkts = []
# packets with SRH, segments-left 0, active segment a3::c4
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a3::c4', 'a2::', 'a1::'],
- segleft=0)
+ dst_inner, sidlist=["a3::c4", "a2::", "a1::"], segleft=0
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets without SRH, IPv6 in IPv6
# outer IPv6 dest addr is the localsid End.DX6
packet_header = self.create_packet_header_IPv6_IPv6(
- dst_inner,
- dst_outer='a3::c4')
+ dst_inner, dst_outer="a3::c4"
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_End_DX6)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_End_DX6
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
self.teardown_interfaces()
def test_SRv6_End_DT6(self):
- """ Test SRv6 End.DT6 behavior.
- """
+ """Test SRv6 End.DT6 behavior."""
# create three interfaces (1 source, 2 destinations)
# all interfaces are IPv6 only
# source interface in global FIB (0)
vrf_1 = 1
ipt = VppIpTable(self, vrf_1, is_ip6=True)
ipt.add_vpp_config()
- self.setup_interfaces(ipv6=[True, True, True],
- ipv6_table_id=[0, 0, vrf_1])
+ self.setup_interfaces(ipv6=[True, True, True], ipv6_table_id=[0, 0, vrf_1])
# configure FIB entries
# a4::/64 is reachable
# via pg1 in table 0 (global)
# and via pg2 in table vrf_1
- route0 = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg1.remote_ip6,
- self.pg1.sw_if_index,
- nh_table_id=0)],
- table_id=0)
+ route0 = VppIpRoute(
+ self,
+ "a4::",
+ 64,
+ [VppRoutePath(self.pg1.remote_ip6, self.pg1.sw_if_index, nh_table_id=0)],
+ table_id=0,
+ )
route0.add_vpp_config()
- route1 = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index,
- nh_table_id=vrf_1)],
- table_id=vrf_1)
+ route1 = VppIpRoute(
+ self,
+ "a4::",
+ 64,
+ [
+ VppRoutePath(
+ self.pg2.remote_ip6, self.pg2.sw_if_index, nh_table_id=vrf_1
+ )
+ ],
+ table_id=vrf_1,
+ )
route1.add_vpp_config()
self.logger.debug(self.vapi.cli("show ip6 fib"))
# fib_table: where the localsid is installed
# sw_if_index: in T-variants of localsid this is the vrf table_id
localsid = VppSRv6LocalSID(
- self, localsid='A3::C4',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DT6,
- nh_addr=0,
- end_psp=0,
- sw_if_index=vrf_1,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::C4",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DT6,
+ nh_addr=0,
+ end_psp=0,
+ sw_if_index=vrf_1,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# create IPv6 packets with SRH (SL=0)
# send one packet per packet size
count = len(self.pg_packet_sizes)
- dst_inner = 'a4::1234' # inner header destination address
+ dst_inner = "a4::1234" # inner header destination address
pkts = []
# packets with SRH, segments-left 0, active segment a3::c4
packet_header = self.create_packet_header_IPv6_SRH_IPv6(
- dst_inner,
- sidlist=['a3::c4', 'a2::', 'a1::'],
- segleft=0)
+ dst_inner, sidlist=["a3::c4", "a2::", "a1::"], segleft=0
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg2, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets without SRH, IPv6 in IPv6
# outer IPv6 dest addr is the localsid End.DT6
packet_header = self.create_packet_header_IPv6_IPv6(
- dst_inner,
- dst_outer='a3::c4')
+ dst_inner, dst_outer="a3::c4"
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg2, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
# using same comparison function as End.DX6
- self.send_and_verify_pkts(self.pg0, pkts, self.pg2,
- self.compare_rx_tx_packet_End_DX6)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg2, self.compare_rx_tx_packet_End_DX6
+ )
# assert nothing was received on the other interface (pg2)
self.pg1.assert_nothing_captured(remark="mis-directed packet(s)")
self.teardown_interfaces()
def test_SRv6_End_DX4(self):
- """ Test SRv6 End.DX4 behavior.
- """
+ """Test SRv6 End.DX4 behavior."""
# send traffic to one destination interface
# source interface is IPv6 only
# destination interface is IPv4 only
# configure SRv6 localSID End.DX4 behavior
localsid = VppSRv6LocalSID(
- self, localsid='A3::C4',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX4,
- nh_addr=self.pg1.remote_ip4,
- end_psp=0,
- sw_if_index=self.pg1.sw_if_index,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::C4",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX4,
+ nh_addr=self.pg1.remote_ip4,
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# send one packet per packet size
count = len(self.pg_packet_sizes)
- dst_inner = '4.1.1.123' # inner header destination address
+ dst_inner = "4.1.1.123" # inner header destination address
pkts = []
# packets with SRH, segments-left 0, active segment a3::c4
packet_header = self.create_packet_header_IPv6_SRH_IPv4(
- dst_inner,
- sidlist=['a3::c4', 'a2::', 'a1::'],
- segleft=0)
+ dst_inner, sidlist=["a3::c4", "a2::", "a1::"], segleft=0
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets without SRH, IPv4 in IPv6
# outer IPv6 dest addr is the localsid End.DX4
packet_header = self.create_packet_header_IPv6_IPv4(
- dst_inner,
- dst_outer='a3::c4')
+ dst_inner, dst_outer="a3::c4"
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_End_DX4)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_End_DX4
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
self.teardown_interfaces()
def test_SRv6_End_DT4(self):
- """ Test SRv6 End.DT4 behavior.
- """
+ """Test SRv6 End.DT4 behavior."""
# create three interfaces (1 source, 2 destinations)
# source interface is IPv6-only
# destination interfaces are IPv4 only
vrf_1 = 1
ipt = VppIpTable(self, vrf_1)
ipt.add_vpp_config()
- self.setup_interfaces(ipv6=[True, False, False],
- ipv4=[False, True, True],
- ipv6_table_id=[0, 0, 0],
- ipv4_table_id=[0, 0, vrf_1])
+ self.setup_interfaces(
+ ipv6=[True, False, False],
+ ipv4=[False, True, True],
+ ipv6_table_id=[0, 0, 0],
+ ipv4_table_id=[0, 0, vrf_1],
+ )
# configure FIB entries
# 4.1.1.0/24 is reachable
# via pg1 in table 0 (global)
# and via pg2 in table vrf_1
- route0 = VppIpRoute(self, "4.1.1.0", 24,
- [VppRoutePath(self.pg1.remote_ip4,
- self.pg1.sw_if_index,
- nh_table_id=0)],
- table_id=0)
+ route0 = VppIpRoute(
+ self,
+ "4.1.1.0",
+ 24,
+ [VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index, nh_table_id=0)],
+ table_id=0,
+ )
route0.add_vpp_config()
- route1 = VppIpRoute(self, "4.1.1.0", 24,
- [VppRoutePath(self.pg2.remote_ip4,
- self.pg2.sw_if_index,
- nh_table_id=vrf_1)],
- table_id=vrf_1)
+ route1 = VppIpRoute(
+ self,
+ "4.1.1.0",
+ 24,
+ [
+ VppRoutePath(
+ self.pg2.remote_ip4, self.pg2.sw_if_index, nh_table_id=vrf_1
+ )
+ ],
+ table_id=vrf_1,
+ )
route1.add_vpp_config()
self.logger.debug(self.vapi.cli("show ip fib"))
# fib_table: where the localsid is installed
# sw_if_index: in T-variants of localsid: vrf table_id
localsid = VppSRv6LocalSID(
- self, localsid='A3::C4',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DT4,
- nh_addr=0,
- end_psp=0,
- sw_if_index=vrf_1,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::C4",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DT4,
+ nh_addr=0,
+ end_psp=0,
+ sw_if_index=vrf_1,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# create IPv6 packets with SRH (SL=0)
# send one packet per packet size
count = len(self.pg_packet_sizes)
- dst_inner = '4.1.1.123' # inner header destination address
+ dst_inner = "4.1.1.123" # inner header destination address
pkts = []
# packets with SRH, segments-left 0, active segment a3::c4
packet_header = self.create_packet_header_IPv6_SRH_IPv4(
- dst_inner,
- sidlist=['a3::c4', 'a2::', 'a1::'],
- segleft=0)
+ dst_inner, sidlist=["a3::c4", "a2::", "a1::"], segleft=0
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg2, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets without SRH, IPv6 in IPv6
# outer IPv6 dest addr is the localsid End.DX4
packet_header = self.create_packet_header_IPv6_IPv4(
- dst_inner,
- dst_outer='a3::c4')
+ dst_inner, dst_outer="a3::c4"
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg2, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg2, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
# using same comparison function as End.DX4
- self.send_and_verify_pkts(self.pg0, pkts, self.pg2,
- self.compare_rx_tx_packet_End_DX4)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg2, self.compare_rx_tx_packet_End_DX4
+ )
# assert nothing was received on the other interface (pg2)
self.pg1.assert_nothing_captured(remark="mis-directed packet(s)")
self.teardown_interfaces()
def test_SRv6_End_DX2(self):
- """ Test SRv6 End.DX2 behavior.
- """
+ """Test SRv6 End.DX2 behavior."""
# send traffic to one destination interface
# source interface is IPv6 only
self.setup_interfaces(ipv6=[True, False], ipv4=[False, False])
# configure SRv6 localSID End.DX2 behavior
localsid = VppSRv6LocalSID(
- self, localsid='A3::C4',
- behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX2,
- nh_addr=0,
- end_psp=0,
- sw_if_index=self.pg1.sw_if_index,
- vlan_index=0,
- fib_table=0)
+ self,
+ localsid="A3::C4",
+ behavior=SRv6LocalSIDBehaviors.SR_BEHAVIOR_DX2,
+ nh_addr=0,
+ end_psp=0,
+ sw_if_index=self.pg1.sw_if_index,
+ vlan_index=0,
+ fib_table=0,
+ )
localsid.add_vpp_config()
# log the localsids
self.logger.debug(self.vapi.cli("show sr localsid"))
# packets with SRH, segments-left 0, active segment a3::c4
# L2 has no dot1q header
packet_header = self.create_packet_header_IPv6_SRH_L2(
- sidlist=['a3::c4', 'a2::', 'a1::'],
- segleft=0,
- vlan=0)
+ sidlist=["a3::c4", "a2::", "a1::"], segleft=0, vlan=0
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets with SRH, segments-left 0, active segment a3::c4
# L2 has dot1q header
packet_header = self.create_packet_header_IPv6_SRH_L2(
- sidlist=['a3::c4', 'a2::', 'a1::'],
- segleft=0,
- vlan=123)
+ sidlist=["a3::c4", "a2::", "a1::"], segleft=0, vlan=123
+ )
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets without SRH, L2 in IPv6
# outer IPv6 dest addr is the localsid End.DX2
# L2 has no dot1q header
- packet_header = self.create_packet_header_IPv6_L2(
- dst_outer='a3::c4',
- vlan=0)
+ packet_header = self.create_packet_header_IPv6_L2(dst_outer="a3::c4", vlan=0)
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# packets without SRH, L2 in IPv6
# outer IPv6 dest addr is the localsid End.DX2
# L2 has dot1q header
- packet_header = self.create_packet_header_IPv6_L2(
- dst_outer='a3::c4',
- vlan=123)
+ packet_header = self.create_packet_header_IPv6_L2(dst_outer="a3::c4", vlan=123)
# add to traffic stream pg0->pg1
- pkts.extend(self.create_stream(self.pg0, self.pg1, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg0, self.pg1, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg0, pkts, self.pg1,
- self.compare_rx_tx_packet_End_DX2)
+ self.send_and_verify_pkts(
+ self.pg0, pkts, self.pg1, self.compare_rx_tx_packet_End_DX2
+ )
# log the localsid counters
self.logger.info(self.vapi.cli("show sr localsid"))
@unittest.skipUnless(0, "PC to fix")
def test_SRv6_T_Insert_Classifier(self):
- """ Test SRv6 Transit.Insert behavior (IPv6 only).
- steer packets using the classifier
+ """Test SRv6 Transit.Insert behavior (IPv6 only).
+ steer packets using the classifier
"""
# send traffic to one destination interface
# source and destination are IPv6 only
self.setup_interfaces(ipv6=[False, False, False, True, True])
# configure FIB entries
- route = VppIpRoute(self, "a4::", 64,
- [VppRoutePath(
- self.pg4.remote_ip6,
- self.pg4.sw_if_index)])
+ route = VppIpRoute(
+ self, "a4::", 64, [VppRoutePath(self.pg4.remote_ip6, self.pg4.sw_if_index)]
+ )
route.add_vpp_config()
# configure encaps IPv6 source address
# TODO: API?
self.vapi.cli("set sr encaps source addr a3::")
- bsid = 'a3::9999:1'
+ bsid = "a3::9999:1"
# configure SRv6 Policy
# Note: segment list order: first -> last
sr_policy = VppSRv6Policy(
- self, bsid=bsid,
+ self,
+ bsid=bsid,
is_encap=0,
sr_type=SRv6PolicyType.SR_POLICY_TYPE_DEFAULT,
- weight=1, fib_table=0,
- segments=['a4::', 'a5::', 'a6::c7'],
- source='a3::')
+ weight=1,
+ fib_table=0,
+ segments=["a4::", "a5::", "a6::c7"],
+ source="a3::",
+ )
sr_policy.add_vpp_config()
self.sr_policy = sr_policy
# add classify table
# mask on dst ip address prefix a7::/8
- mask = '{!s:0<16}'.format('ff')
+ mask = "{!s:0<16}".format("ff")
r = self.vapi.classify_add_del_table(
1,
binascii.unhexlify(mask),
match_n_vectors=(len(mask) - 1) // 32 + 1,
current_data_flag=1,
- skip_n_vectors=2) # data offset
- self.assertIsNotNone(r, 'No response msg for add_del_table')
+ skip_n_vectors=2,
+ ) # data offset
+ self.assertIsNotNone(r, "No response msg for add_del_table")
table_index = r.new_table_index
# add the source routing node as a ip6 inacl netxt node
- r = self.vapi.add_node_next('ip6-inacl',
- 'sr-pl-rewrite-insert')
+ r = self.vapi.add_node_next("ip6-inacl", "sr-pl-rewrite-insert")
inacl_next_node_index = r.node_index
- match = '{!s:0<16}'.format('a7')
+ match = "{!s:0<16}".format("a7")
r = self.vapi.classify_add_del_session(
1,
table_index,
binascii.unhexlify(match),
hit_next_index=inacl_next_node_index,
action=3,
- metadata=0) # sr policy index
- self.assertIsNotNone(r, 'No response msg for add_del_session')
+ metadata=0,
+ ) # sr policy index
+ self.assertIsNotNone(r, "No response msg for add_del_session")
# log the classify table used in the steering policy
self.logger.info(self.vapi.cli("show classify table"))
r = self.vapi.input_acl_set_interface(
- is_add=1,
- sw_if_index=self.pg3.sw_if_index,
- ip6_table_index=table_index)
- self.assertIsNotNone(r,
- 'No response msg for input_acl_set_interface')
+ is_add=1, sw_if_index=self.pg3.sw_if_index, ip6_table_index=table_index
+ )
+ self.assertIsNotNone(r, "No response msg for input_acl_set_interface")
# log the ip6 inacl
self.logger.info(self.vapi.cli("show inacl type ip6"))
# create packets
count = len(self.pg_packet_sizes)
- dst_inner = 'a7::1234'
+ dst_inner = "a7::1234"
pkts = []
# create IPv6 packets without SRH
packet_header = self.create_packet_header_IPv6(dst_inner)
# create traffic stream pg3->pg4
- pkts.extend(self.create_stream(self.pg3, self.pg4, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg3, self.pg4, packet_header, self.pg_packet_sizes, count
+ )
+ )
# create IPv6 packets with SRH
# packets with segments-left 1, active segment a7::
packet_header = self.create_packet_header_IPv6_SRH(
- sidlist=['a8::', 'a7::', 'a6::'],
- segleft=1)
+ sidlist=["a8::", "a7::", "a6::"], segleft=1
+ )
# create traffic stream pg3->pg4
- pkts.extend(self.create_stream(self.pg3, self.pg4, packet_header,
- self.pg_packet_sizes, count))
+ pkts.extend(
+ self.create_stream(
+ self.pg3, self.pg4, packet_header, self.pg_packet_sizes, count
+ )
+ )
# send packets and verify received packets
- self.send_and_verify_pkts(self.pg3, pkts, self.pg4,
- self.compare_rx_tx_packet_T_Insert)
+ self.send_and_verify_pkts(
+ self.pg3, pkts, self.pg4, self.compare_rx_tx_packet_T_Insert
+ )
# remove the interface l2 input feature
r = self.vapi.input_acl_set_interface(
- is_add=0,
- sw_if_index=self.pg3.sw_if_index,
- ip6_table_index=table_index)
- self.assertIsNotNone(r,
- 'No response msg for input_acl_set_interface')
+ is_add=0, sw_if_index=self.pg3.sw_if_index, ip6_table_index=table_index
+ )
+ self.assertIsNotNone(r, "No response msg for input_acl_set_interface")
# log the ip6 inacl after cleaning
self.logger.info(self.vapi.cli("show inacl type ip6"))
# remove classify session and table
r = self.vapi.classify_add_del_session(
- 0,
- table_index,
- binascii.unhexlify(match))
- self.assertIsNotNone(r, 'No response msg for add_del_session')
+ 0, table_index, binascii.unhexlify(match)
+ )
+ self.assertIsNotNone(r, "No response msg for add_del_session")
r = self.vapi.classify_add_del_table(
- 0,
- binascii.unhexlify(mask),
- table_index=table_index)
- self.assertIsNotNone(r, 'No response msg for add_del_table')
+ 0, binascii.unhexlify(mask), table_index=table_index
+ )
+ self.assertIsNotNone(r, "No response msg for add_del_table")
self.logger.info(self.vapi.cli("show classify table"))
self.teardown_interfaces()
def compare_rx_tx_packet_T_Encaps(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing T.Encaps
+ """Compare input and output packet after passing T.Encaps
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
# rx'ed seglist should be equal to expected seglist
self.assertEqual(rx_srh.addresses, tx_seglist)
# segleft should be equal to size expected seglist-1
- self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ self.assertEqual(rx_srh.segleft, len(tx_seglist) - 1)
# segleft should be equal to lastentry
self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_T_Encaps_IPv4(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing T.Encaps for IPv4
+ """Compare input and output packet after passing T.Encaps for IPv4
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
# rx'ed seglist should be equal to seglist
self.assertEqual(rx_srh.addresses, tx_seglist)
# segleft should be equal to size seglist-1
- self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ self.assertEqual(rx_srh.segleft, len(tx_seglist) - 1)
# segleft should be equal to lastentry
self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_T_Encaps_L2(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing T.Encaps for L2
+ """Compare input and output packet after passing T.Encaps for L2
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
# rx'ed seglist should be equal to seglist
self.assertEqual(rx_srh.addresses, tx_seglist)
# segleft should be equal to size seglist-1
- self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ self.assertEqual(rx_srh.segleft, len(tx_seglist) - 1)
# segleft should be equal to lastentry
self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
# nh should be "No Next Header" (143)
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_T_Insert(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing T.Insert
+ """Compare input and output packet after passing T.Insert
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
# rx'ed seglist should be equal to expected seglist
self.assertEqual(rx_srh.addresses, tx_seglist)
# segleft should be equal to size(expected seglist)-1
- self.assertEqual(rx_srh.segleft, len(tx_seglist)-1)
+ self.assertEqual(rx_srh.segleft, len(tx_seglist) - 1)
# segleft should be equal to lastentry
self.assertEqual(rx_srh.segleft, rx_srh.lastentry)
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_End(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing End (without PSP)
+ """Compare input and output packet after passing End (without PSP)
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
# sidlist should be unchanged
self.assertEqual(rx_srh.addresses, tx_srh.addresses)
# segleft should have been decremented
- self.assertEqual(rx_srh.segleft, tx_srh.segleft-1)
+ self.assertEqual(rx_srh.segleft, tx_srh.segleft - 1)
# received ip.dst should be equal to sidlist[segleft]
self.assertEqual(rx_ip.dst, rx_srh.addresses[rx_srh.segleft])
# lastentry should be unchanged
self.assertEqual(rx_ip2.src, tx_ip2.src)
self.assertEqual(rx_ip2.dst, tx_ip2.dst)
# else: # tx_ip.segleft == 0
- # TODO: Does this work with 2 SRHs in ingress packet?
+ # TODO: Does this work with 2 SRHs in ingress packet?
# UDP layer should be unchanged
self.assertEqual(rx_udp, tx_udp)
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_End_PSP(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing End with PSP
+ """Compare input and output packet after passing End with PSP
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
# sidlist should be unchanged
self.assertEqual(rx_srh.addresses, tx_srh.addresses)
# segleft should have been decremented
- self.assertEqual(rx_srh.segleft, tx_srh.segleft-1)
+ self.assertEqual(rx_srh.segleft, tx_srh.segleft - 1)
# received ip.dst should be equal to sidlist[segleft]
self.assertEqual(rx_ip.dst, rx_srh.addresses[rx_srh.segleft])
# lastentry should be unchanged
# outer IPv6 header ip.src should be equal to tx'ed ip.src
self.assertEqual(rx_ip.src, tx_ip.src)
# outer IPv6 header ip.dst should be = to tx'ed sidlist[segleft-1]
- self.assertEqual(rx_ip.dst, tx_srh.addresses[tx_srh.segleft-1])
+ self.assertEqual(rx_ip.dst, tx_srh.addresses[tx_srh.segleft - 1])
# UDP layer should be unchanged
self.assertEqual(rx_udp, tx_udp)
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_End_DX6(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing End.DX6
+ """Compare input and output packet after passing End.DX6
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_End_DX4(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing End.DX4
+ """Compare input and output packet after passing End.DX4
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
self.logger.debug("packet verification: SUCCESS")
def compare_rx_tx_packet_End_DX2(self, tx_pkt, rx_pkt):
- """ Compare input and output packet after passing End.DX2
+ """Compare input and output packet after passing End.DX2
:param tx_pkt: transmitted packet
:param rx_pkt: received packet
self.logger.debug("packet verification: SUCCESS")
- def create_stream(self, src_if, dst_if, packet_header, packet_sizes,
- count):
+ def create_stream(self, src_if, dst_if, packet_header, packet_sizes, count):
"""Create SRv6 input packet stream for defined interface.
:param VppInterface src_if: Interface to create packet stream for
"""
self.logger.info("Creating packets")
pkts = []
- for i in range(0, count-1):
+ for i in range(0, count - 1):
payload_info = self.create_packet_info(src_if, dst_if)
- self.logger.debug(
- "Creating packet with index %d" % (payload_info.index))
+ self.logger.debug("Creating packet with index %d" % (payload_info.index))
payload = self.info_to_payload(payload_info)
# add L2 header if not yet provided in packet_header
- if packet_header.getlayer(0).name == 'Ethernet':
- p = (packet_header /
- Raw(payload))
+ if packet_header.getlayer(0).name == "Ethernet":
+ p = packet_header / Raw(payload)
else:
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- packet_header /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / packet_header
+ / Raw(payload)
+ )
size = packet_sizes[i % len(packet_sizes)]
self.logger.debug("Packet size %d" % (size))
self.extend_packet(p, size)
self.logger.info("Done creating packets")
return pkts
- def send_and_verify_pkts(self, input, pkts, output, compare_func,
- expected_count=None):
+ def send_and_verify_pkts(
+ self, input, pkts, output, compare_func, expected_count=None
+ ):
"""Send packets and verify received packets using compare_func
:param input: ingress interface of DUT
UDP source port and destination port are 1234
"""
- p = (IPv6(src='1234::1', dst=dst) /
- UDP(sport=1234, dport=1234))
+ p = IPv6(src="1234::1", dst=dst) / UDP(sport=1234, dport=1234)
return p
def create_packet_header_IPv6_SRH(self, sidlist, segleft):
UDP source port and destination port are 1234
"""
- p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
- IPv6ExtHdrSegmentRouting(addresses=sidlist) /
- UDP(sport=1234, dport=1234))
+ p = (
+ IPv6(src="1234::1", dst=sidlist[segleft])
+ / IPv6ExtHdrSegmentRouting(addresses=sidlist)
+ / UDP(sport=1234, dport=1234)
+ )
return p
def create_packet_header_IPv6_SRH_IPv6(self, dst, sidlist, segleft):
UDP source port and destination port are 1234
"""
- p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
- IPv6ExtHdrSegmentRouting(addresses=sidlist,
- segleft=segleft, nh=41) /
- IPv6(src='4321::1', dst=dst) /
- UDP(sport=1234, dport=1234))
+ p = (
+ IPv6(src="1234::1", dst=sidlist[segleft])
+ / IPv6ExtHdrSegmentRouting(addresses=sidlist, segleft=segleft, nh=41)
+ / IPv6(src="4321::1", dst=dst)
+ / UDP(sport=1234, dport=1234)
+ )
return p
def create_packet_header_IPv6_IPv6(self, dst_inner, dst_outer):
UDP source port and destination port are 1234
"""
- p = (IPv6(src='1234::1', dst=dst_outer) /
- IPv6(src='4321::1', dst=dst_inner) /
- UDP(sport=1234, dport=1234))
+ p = (
+ IPv6(src="1234::1", dst=dst_outer)
+ / IPv6(src="4321::1", dst=dst_inner)
+ / UDP(sport=1234, dport=1234)
+ )
return p
- def create_packet_header_IPv6_SRH_SRH_IPv6(self, dst, sidlist1, segleft1,
- sidlist2, segleft2):
+ def create_packet_header_IPv6_SRH_SRH_IPv6(
+ self, dst, sidlist1, segleft1, sidlist2, segleft2
+ ):
"""Create packet header: IPv6 encapsulated in SRv6 with 2 SRH:
IPv6 header with SRH, 2nd SRH, IPv6 header, UDP header
UDP source port and destination port are 1234
"""
- p = (IPv6(src='1234::1', dst=sidlist1[segleft1]) /
- IPv6ExtHdrSegmentRouting(addresses=sidlist1,
- segleft=segleft1, nh=43) /
- IPv6ExtHdrSegmentRouting(addresses=sidlist2,
- segleft=segleft2, nh=41) /
- IPv6(src='4321::1', dst=dst) /
- UDP(sport=1234, dport=1234))
+ p = (
+ IPv6(src="1234::1", dst=sidlist1[segleft1])
+ / IPv6ExtHdrSegmentRouting(addresses=sidlist1, segleft=segleft1, nh=43)
+ / IPv6ExtHdrSegmentRouting(addresses=sidlist2, segleft=segleft2, nh=41)
+ / IPv6(src="4321::1", dst=dst)
+ / UDP(sport=1234, dport=1234)
+ )
return p
def create_packet_header_IPv4(self, dst):
UDP source port and destination port are 1234
"""
- p = (IP(src='123.1.1.1', dst=dst) /
- UDP(sport=1234, dport=1234))
+ p = IP(src="123.1.1.1", dst=dst) / UDP(sport=1234, dport=1234)
return p
def create_packet_header_IPv6_IPv4(self, dst_inner, dst_outer):
UDP source port and destination port are 1234
"""
- p = (IPv6(src='1234::1', dst=dst_outer) /
- IP(src='123.1.1.1', dst=dst_inner) /
- UDP(sport=1234, dport=1234))
+ p = (
+ IPv6(src="1234::1", dst=dst_outer)
+ / IP(src="123.1.1.1", dst=dst_inner)
+ / UDP(sport=1234, dport=1234)
+ )
return p
def create_packet_header_IPv6_SRH_IPv4(self, dst, sidlist, segleft):
UDP source port and destination port are 1234
"""
- p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
- IPv6ExtHdrSegmentRouting(addresses=sidlist,
- segleft=segleft, nh=4) /
- IP(src='123.1.1.1', dst=dst) /
- UDP(sport=1234, dport=1234))
+ p = (
+ IPv6(src="1234::1", dst=sidlist[segleft])
+ / IPv6ExtHdrSegmentRouting(addresses=sidlist, segleft=segleft, nh=4)
+ / IP(src="123.1.1.1", dst=dst)
+ / UDP(sport=1234, dport=1234)
+ )
return p
def create_packet_header_L2(self, vlan=0):
# Note: the dst addr ('00:55:44:33:22:11') is used in
# the compare function compare_rx_tx_packet_T_Encaps_L2
# to detect presence of L2 in SRH payload
- p = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ p = Ether(src="00:11:22:33:44:55", dst="00:55:44:33:22:11")
etype = 0x8137 # IPX
if vlan:
# add 802.1q layer
Outer IPv6 destination address is set to sidlist[segleft]
IPv6 source address is 1234::1
"""
- eth = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ eth = Ether(src="00:11:22:33:44:55", dst="00:55:44:33:22:11")
etype = 0x8137 # IPX
if vlan:
# add 802.1q layer
else:
eth.type = etype
- p = (IPv6(src='1234::1', dst=sidlist[segleft]) /
- IPv6ExtHdrSegmentRouting(addresses=sidlist,
- segleft=segleft, nh=143) /
- eth)
+ p = (
+ IPv6(src="1234::1", dst=sidlist[segleft])
+ / IPv6ExtHdrSegmentRouting(addresses=sidlist, segleft=segleft, nh=143)
+ / eth
+ )
return p
def create_packet_header_IPv6_L2(self, dst_outer, vlan=0):
:param ipv6address dst_outer: outer IPv6 destination address
:param vlan: L2 vlan; if vlan!=0 then add 802.1q header
"""
- eth = Ether(src='00:11:22:33:44:55', dst='00:55:44:33:22:11')
+ eth = Ether(src="00:11:22:33:44:55", dst="00:55:44:33:22:11")
etype = 0x8137 # IPX
if vlan:
# add 802.1q layer
else:
eth.type = etype
- p = (IPv6(src='1234::1', dst=dst_outer, nh=143) / eth)
+ p = IPv6(src="1234::1", dst=dst_outer, nh=143) / eth
return p
def get_payload_info(self, packet):
- """ Extract the payload_info from the packet
- """
+ """Extract the payload_info from the packet"""
# in most cases, payload_info is in packet[Raw]
# but packet[Raw] gives the complete payload
# (incl L2 header) for the T.Encaps L2 case
# remote L2 header from packet[Raw]:
# take packet[Raw], convert it to an Ether layer
# and then extract Raw from it
- payload_info = self.payload_to_info(
- Ether(scapy.compat.r(packet[Raw]))[Raw])
+ payload_info = self.payload_to_info(Ether(scapy.compat.r(packet[Raw]))[Raw])
return payload_info
:param capture: captured packets
:param compare_func: function to compare in and out packet
"""
- self.logger.info("Verifying capture on interface %s using function %s"
- % (dst_if.name, compare_func.__name__))
+ self.logger.info(
+ "Verifying capture on interface %s using function %s"
+ % (dst_if.name, compare_func.__name__)
+ )
last_info = dict()
for i in self.pg_interfaces:
payload_info = self.get_payload_info(packet)
packet_index = payload_info.index
- self.logger.debug("Verifying packet with index %d"
- % (packet_index))
+ self.logger.debug("Verifying packet with index %d" % (packet_index))
# packet should have arrived on the expected interface
self.assertEqual(payload_info.dst, dst_sw_if_index)
self.logger.debug(
- "Got packet on interface %s: src=%u (idx=%u)" %
- (dst_if.name, payload_info.src, packet_index))
+ "Got packet on interface %s: src=%u (idx=%u)"
+ % (dst_if.name, payload_info.src, packet_index)
+ )
# search for payload_info with same src and dst if_index
# this will give us the transmitted packet
next_info = self.get_next_packet_info_for_interface2(
- payload_info.src, dst_sw_if_index,
- last_info[payload_info.src])
+ payload_info.src, dst_sw_if_index, last_info[payload_info.src]
+ )
last_info[payload_info.src] = next_info
# next_info should not be None
self.assertTrue(next_info is not None)
# data field of next_info contains the tx packet
txed_packet = next_info.data
- self.logger.debug(ppp("Transmitted packet:",
- txed_packet)) # ppp=Pretty Print Packet
+ self.logger.debug(
+ ppp("Transmitted packet:", txed_packet)
+ ) # ppp=Pretty Print Packet
self.logger.debug(ppp("Received packet:", packet))
# "didn't arrive" % (dst_if.name, i.name))
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff