-#!/usr/bin/env python
+#!/usr/bin/env python3
"""IRB Test Case HLD:
**config**
from scapy.layers.inet import IP, UDP
from framework import VppTestCase, VppTestRunner
+from vpp_papi import MACAddress
+from vpp_l2 import L2_PORT_TYPE
class TestIpIrb(VppTestCase):
def setUpClass(cls):
"""
#. Create BD with MAC learning enabled and put interfaces to this BD.
- #. Configure IPv4 addresses on loopback interface and routed interface.
- #. Configure MAC address binding to IPv4 neighbors on loop0.
+ #. Configure IPv4 addresses on BVI interface and routed interface.
+ #. Configure MAC address binding to IPv4 neighbors on bvi0.
#. Configure MAC address on pg2.
- #. Loopback BVI interface has remote hosts, one half of hosts are
+ #. BVI interface has remote hosts, one half of hosts are
behind pg0 second behind pg1.
"""
super(TestIpIrb, cls).setUpClass()
cls.bd_id = 10
cls.remote_hosts_count = 250
- # create 3 pg interfaces, 1 loopback interface
+ # create 3 pg interfaces, 1 BVI interface
cls.create_pg_interfaces(range(3))
- cls.create_loopback_interfaces(range(1))
+ cls.create_bvi_interfaces(1)
cls.interfaces = list(cls.pg_interfaces)
- cls.interfaces.extend(cls.lo_interfaces)
+ cls.interfaces.extend(cls.bvi_interfaces)
for i in cls.interfaces:
i.admin_up()
# Create BD with MAC learning enabled and put interfaces to this BD
cls.vapi.sw_interface_set_l2_bridge(
- cls.loop0.sw_if_index, bd_id=cls.bd_id, bvi=1)
- cls.vapi.sw_interface_set_l2_bridge(
- cls.pg0.sw_if_index, bd_id=cls.bd_id)
- cls.vapi.sw_interface_set_l2_bridge(
- cls.pg1.sw_if_index, bd_id=cls.bd_id)
-
- # Configure IPv4 addresses on loopback interface and routed interface
- cls.loop0.config_ip4()
+ rx_sw_if_index=cls.bvi0.sw_if_index, bd_id=cls.bd_id,
+ port_type=L2_PORT_TYPE.BVI)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=cls.pg0.sw_if_index,
+ bd_id=cls.bd_id)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=cls.pg1.sw_if_index,
+ bd_id=cls.bd_id)
+
+ # Configure IPv4 addresses on BVI interface and routed interface
+ cls.bvi0.config_ip4()
cls.pg2.config_ip4()
- # Configure MAC address binding to IPv4 neighbors on loop0
- cls.loop0.generate_remote_hosts(cls.remote_hosts_count)
- cls.loop0.configure_ipv4_neighbors()
+ # Configure MAC address binding to IPv4 neighbors on bvi0
+ cls.bvi0.generate_remote_hosts(cls.remote_hosts_count)
+ cls.bvi0.configure_ipv4_neighbors()
# configure MAC address on pg2
cls.pg2.resolve_arp()
- # Loopback BVI interface has remote hosts, one half of hosts are behind
+ # BVI interface has remote hosts, one half of hosts are behind
# pg0 second behind pg1
half = cls.remote_hosts_count // 2
- cls.pg0.remote_hosts = cls.loop0.remote_hosts[:half]
- cls.pg1.remote_hosts = cls.loop0.remote_hosts[half:]
+ cls.pg0.remote_hosts = cls.bvi0.remote_hosts[:half]
+ cls.pg1.remote_hosts = cls.bvi0.remote_hosts[half:]
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestIpIrb, cls).tearDownClass()
def tearDown(self):
"""Run standard test teardown and log ``show l2patch``,
``show ip arp``.
"""
super(TestIpIrb, self).tearDown()
- if not self.vpp_dead:
- self.logger.info(self.vapi.cli("show l2patch"))
- self.logger.info(self.vapi.cli("show l2fib verbose"))
- self.logger.info(self.vapi.cli("show bridge-domain %s detail" %
- self.bd_id))
- self.logger.info(self.vapi.cli("show ip arp"))
+
+ def show_commands_at_teardown(self):
+ self.logger.info(self.vapi.cli("show l2patch"))
+ self.logger.info(self.vapi.cli("show l2fib verbose"))
+ self.logger.info(self.vapi.cli("show bridge-domain %s detail" %
+ self.bd_id))
+ self.logger.info(self.vapi.cli("show ip arp"))
def create_stream(self, src_ip_if, dst_ip_if, packet_sizes):
pkts = []
for packet in capture:
ip = packet[IP]
udp = packet[IP][UDP]
- payload_info = self.payload_to_info(str(packet[IP][UDP][Raw]))
+ payload_info = self.payload_to_info(packet[IP][UDP][Raw])
self.assertEqual(payload_info.dst, dst_ip_sw_if_index)
for packet in capture:
ip = packet[IP]
udp = packet[IP][UDP]
- payload_info = self.payload_to_info(str(packet[IP][UDP][Raw]))
+ payload_info = self.payload_to_info(packet[IP][UDP][Raw])
packet_index = payload_info.index
self.assertEqual(payload_info.dst, dst_ip_sw_if_index)
Test scenario:
- ip traffic from pg2 interface must ends in both pg0 and pg1
- - arp entry present in loop0 interface for destination IP
- - no l2 entree configured, pg0 and pg1 are same
+ - arp entry present in bvi0 interface for destination IP
+ - no l2 entry configured, pg0 and pg1 are same
"""
stream = self.create_stream(
- self.pg2, self.loop0, self.pg_if_packet_sizes)
+ self.pg2, self.bvi0, self.pg_if_packet_sizes)
self.pg2.add_stream(stream)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- packet_count = self.get_packet_count_for_if_idx(self.loop0.sw_if_index)
+ packet_count = self.get_packet_count_for_if_idx(self.bvi0.sw_if_index)
rcvd1 = self.pg0.get_capture(packet_count)
rcvd2 = self.pg1.get_capture(packet_count)
- self.verify_capture(self.loop0, self.pg2, rcvd1)
- self.verify_capture(self.loop0, self.pg2, rcvd2)
+ self.verify_capture(self.bvi0, self.pg2, rcvd1)
+ self.verify_capture(self.bvi0, self.pg2, rcvd2)
self.assertListEqual(rcvd1.res, rcvd2.res)
- def test_ip4_irb_2(self):
- """ IPv4 IRB test 2
-
- Test scenario:
- - ip traffic from pg0 and pg1 ends on pg2
- """
-
+ def send_and_verify_l2_to_ip(self):
stream1 = self.create_stream_l2_to_ip(
- self.pg0, self.loop0, self.pg2, self.pg_if_packet_sizes)
+ self.pg0, self.bvi0, self.pg2, self.pg_if_packet_sizes)
stream2 = self.create_stream_l2_to_ip(
- self.pg1, self.loop0, self.pg2, self.pg_if_packet_sizes)
+ self.pg1, self.bvi0, self.pg2, self.pg_if_packet_sizes)
+ self.vapi.cli("clear trace")
self.pg0.add_stream(stream1)
self.pg1.add_stream(stream2)
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- rcvd = self.pg2.get_capture()
- self.verify_capture_l2_to_ip(self.pg2, self.loop0, rcvd)
+ rcvd = self.pg2.get_capture(514)
+ self.verify_capture_l2_to_ip(self.pg2, self.bvi0, rcvd)
+
+ def test_ip4_irb_2(self):
+ """ IPv4 IRB test 2
+
+ Test scenario:
+ - ip traffic from pg0 and pg1 ends on pg2
+ """
+ self.send_and_verify_l2_to_ip()
+
+ # change the BVI's mac and resed traffic
+ self.bvi0.set_mac(MACAddress("00:00:00:11:11:33"))
+
+ self.send_and_verify_l2_to_ip()
+ # check it wasn't flooded
+ self.pg1.assert_nothing_captured(remark="UU Flood")
if __name__ == '__main__':