diff options
Diffstat (limited to 'test/test_ip4_irb.py')
| -rw-r--r-- | test/test_ip4_irb.py | 83 |
1 files changed, 51 insertions, 32 deletions
diff --git a/test/test_ip4_irb.py b/test/test_ip4_irb.py index 412575dbd3c..cf2bb150b90 100644 --- a/test/test_ip4_irb.py +++ b/test/test_ip4_irb.py @@ -1,39 +1,51 @@ #!/usr/bin/env python +"""IRB Test Case HLD: + +**config** + - L2 MAC learning enabled in l2bd + - 2 routed interfaces untagged, bvi (Bridge Virtual Interface) + - 2 bridged interfaces in l2bd with bvi + +**test** + - sending ip4 eth pkts between routed interfaces + - 2 routed interfaces + - 2 bridged interfaces + + - 64B, 512B, 1518B, 9200B (ether_size) + + - burst of pkts per interface + - 257pkts per burst + - routed pkts hitting different FIB entries + - bridged pkts hitting different MAC entries + +**verify** + - all packets received correctly + +""" + import unittest -from random import choice, randint +from random import choice from scapy.packet import Raw from scapy.layers.l2 import Ether from scapy.layers.inet import IP, UDP -from logging import * from framework import VppTestCase, VppTestRunner -""" IRB Test Case - -config - L2 MAC learning enabled in l2bd - 2 routed interfaces untagged, bvi - 2 bridged interfaces in l2bd with bvi -test - sending ip4 eth pkts between routed interfaces - 2 routed interfaces - 2 bridged interfaces - 64B, 512B, 1518B, 9200B (ether_size) - burst of pkts per interface - 257pkts per burst - routed pkts hitting different FIB entries - bridged pkts hitting different MAC entries -verify - all packets received correctly -""" - class TestIpIrb(VppTestCase): - """ IRB Test Case """ + """IRB Test Case""" @classmethod 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 MAC address on pg2. + #. Loopback BVI interface has remote hosts, one half of hosts are + behind pg0 second behind pg1. + """ super(TestIpIrb, cls).setUpClass() cls.pg_if_packet_sizes = [64, 512, 1518, 9018] # packet sizes @@ -58,27 +70,34 @@ class TestIpIrb(VppTestCase): 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() cls.pg2.config_ip4() - # configure MAC address binding to IPv4 neighbors on loop0 + # Configure MAC address binding to IPv4 neighbors on loop0 cls.loop0.generate_remote_hosts(cls.remote_hosts_count) - cls.loop0.configure_extend_ipv4_mac_binding() + cls.loop0.configure_ipv4_neighbors() # configure MAC address on pg2 cls.pg2.resolve_arp() - # one half of hosts are behind pg0 second behind pg1 + # Loopback 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:] def tearDown(self): + """Run standard test teardown and log ``show l2patch``, + ``show l2fib verbose``,``show bridge-domain <bd_id> detail``, + ``show ip arp``. + """ super(TestIpIrb, self).tearDown() if not self.vpp_dead: - info(self.vapi.cli("show l2patch")) - info(self.vapi.cli("show l2fib verbose")) - info(self.vapi.cli("show bridge-domain %s detail" % self.bd_id)) - info(self.vapi.cli("show ip arp")) + 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 = [] @@ -200,8 +219,8 @@ class TestIpIrb(VppTestCase): """ IPv4 IRB test 1 Test scenario: - ip traffic from pg2 interface must ends in both pg0 and pg1 - - arp entry present in loop0 interface for dst IP + - 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 """ @@ -224,7 +243,7 @@ class TestIpIrb(VppTestCase): """ IPv4 IRB test 2 Test scenario: - ip traffic from pg0 and pg1 ends on pg2 + - ip traffic from pg0 and pg1 ends on pg2 """ stream1 = self.create_stream_l2_to_ip( |