ip-neighbor: Use ip_address_t rather than ip46_address_t - vpp

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author	Neale Ranns <nranns@cisco.com>	2020-08-20 08:22:56 +0000
committer	Ole Tr�an <otroan@employees.org>	2020-11-20 10:27:01 +0000
commit	dc617b8df442f3e25197ec64ffd58d11411b0470 (patch)
tree	a573462413e12b71d71515f84e53900686424917 /test
parent	d01d2ce4498dae4cbcba65784babe91d56d4bae9 (diff)

ip-neighbor: Use ip_address_t rather than ip46_address_t

Type: improvement Change-Id: Ica5f395075677bda5f38d28e704f65350af88610 Signed-off-by: Neale Ranns <nranns@cisco.com>

Diffstat (limited to 'test')

-rw-r--r--

test/test_neighbor.py

-rw-r--r--

test/test_p2p_ethernet.py

2 files changed, 8 insertions, 1 deletions

#!/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 from scapy.packet import Raw from scapy.layers.l2 import Ether 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): """IRB Test Case""" @classmethod def setUpClass(cls): """ #. Create BD with MAC learning enabled and put interfaces to this BD. #. Configure IPv4 addresses on BVI interface and routed interface. #. Configure MAC address binding to IPv4 neighbors on bvi0. #. Configure MAC address on pg2. #. 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 cls.bd_id = 10 cls.remote_hosts_count = 250 # create 3 pg interfaces, 1 BVI interface cls.create_pg_interfaces(range(3)) cls.create_bvi_interfaces(1) cls.interfaces = list(cls.pg_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( 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 bvi0 cls.bvi0.generate_remote_hosts(cls.remote_hosts_count) cls.bvi0.configure_ipv4_neighbors() # configure MAC address on pg2 cls.pg2.resolve_arp() # 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.bvi0.remote_hosts[:half] cls.pg1.remote_hosts = cls.bvi0.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: 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 i in range(0, 257): remote_dst_host = choice(dst_ip_if.remote_hosts) info = self.create_packet_info(src_ip_if, dst_ip_if) payload = self.info_to_payload(info) p = (Ether(dst=src_ip_if.local_mac, src=src_ip_if.remote_mac) / IP(src=src_ip_if.remote_ip4, dst=remote_dst_host.ip4) / UDP(sport=1234, dport=1234) / Raw(payload)) info.data = p.copy() size = packet_sizes[(i // 2) % len(packet_sizes)] self.extend_packet(p, size) pkts.append(p) return pkts def create_stream_l2_to_ip(self, src_l2_if, src_ip_if, dst_ip_if, packet_sizes): pkts = [] for i in range(0, 257): info = self.create_packet_info(src_ip_if, dst_ip_if) payload = self.info_to_payload(info) host = choice(src_l2_if.remote_hosts) p = (Ether(src=host.mac, dst=src_ip_if.local_mac) / IP(src=host.ip4, dst=dst_ip_if.remote_ip4) / UDP(sport=1234, dport=1234) / Raw(payload)) info.data = p.copy() size = packet_sizes[(i // 2) % len(packet_sizes)] self.extend_packet(p, size) pkts.append(p) return pkts def verify_capture_l2_to_ip(self, dst_ip_if, src_ip_if, capture): last_info = dict() for i in self.interfaces: last_info[i.sw_if_index] = None dst_ip_sw_if_index = dst_ip_if.sw_if_index for packet in capture: ip = packet[IP] udp = packet[IP][UDP] payload_info = self.payload_to_info(packet[IP][UDP][Raw]) self.assertEqual(payload_info.dst, dst_ip_sw_if_index) next_info = self.get_next_packet_info_for_interface2( payload_info.src, dst_ip_sw_if_index, last_info[payload_info.src]) last_info[payload_info.src] = next_info self.assertTrue(next_info is not None) saved_packet = next_info.data self.assertTrue(next_info is not None) # MAC: src, dst self.assertEqual(packet.src, dst_ip_if.local_mac) self.assertEqual(packet.dst, dst_ip_if.remote_mac) # IP: src, dst host = src_ip_if.host_by_ip4(ip.src) self.assertIsNotNone(host) self.assertEqual(ip.dst, saved_packet[IP].dst) self.assertEqual(ip.dst, dst_ip_if.remote_ip4) # UDP: self.assertEqual(udp.sport, saved_packet[UDP].sport) self.assertEqual(udp.dport, saved_packet[UDP].dport) def verify_capture(self, dst_ip_if, src_ip_if, capture): last_info = dict() for i in self.interfaces: last_info[i.sw_if_index] = None dst_ip_sw_if_index = dst_ip_if.sw_if_index for packet in capture: ip = packet[IP] udp = packet[IP][UDP] 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) next_info = self.get_next_packet_info_for_interface2( payload_info.src, dst_ip_sw_if_index, last_info[payload_info.src]) last_info[payload_info.src] = next_info self.assertTrue(next_info is not None) self.assertEqual(packet_index, next_info.index) saved_packet = next_info.data self.assertTrue(next_info is not None) # MAC: src, dst self.assertEqual(packet.src, dst_ip_if.local_mac) host = dst_ip_if.host_by_mac(packet.dst) # IP: src, dst self.assertEqual(ip.src, src_ip_if.remote_ip4) self.assertEqual(ip.dst, saved_packet[IP].dst) self.assertEqual(ip.dst, host.ip4) # UDP: self.assertEqual(udp.sport, saved_packet[UDP].sport) self.assertEqual(udp.dport, saved_packet[UDP].dport) def test_ip4_irb_1(self): """ IPv4 IRB test 1 Test scenario: - ip traffic from pg2 interface must ends in both pg0 and pg1 - 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.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.bvi0.sw_if_index) rcvd1 = self.pg0.get_capture(packet_count) rcvd2 = self.pg1.get_capture(packet_count) self.verify_capture(self.bvi0, self.pg2, rcvd1) self.verify_capture(self.bvi0, self.pg2, rcvd2) self.assertListEqual(rcvd1.res, rcvd2.res) def send_and_verify_l2_to_ip(self): stream1 = self.create_stream_l2_to_ip( self.pg0, self.bvi0, self.pg2, self.pg_if_packet_sizes) stream2 = self.create_stream_l2_to_ip( 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(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__': unittest.main(testRunner=VppTestRunner)


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