test/test_p2p_ethernet.py

   1 #!/usr/bin/env python
   2 import random
   3 import unittest
   4 import datetime
   5 import re
   6
   7 from scapy.packet import Raw
   8 from scapy.layers.l2 import Ether
   9 from scapy.layers.inet import IP, UDP
  10 from scapy.layers.inet6 import IPv6
  11
  12 from framework import VppTestCase, VppTestRunner
  13 from vpp_sub_interface import VppP2PSubint
  14 from vpp_ip import DpoProto
  15 from vpp_ip_route import VppIpRoute, VppRoutePath
  16 from vpp_papi import mac_pton
  17
  18
  19 class P2PEthernetAPI(VppTestCase):
  20     """P2P Ethernet tests"""
  21
  22     p2p_sub_ifs = []
  23
  24     @classmethod
  25     def setUpClass(cls):
  26         super(P2PEthernetAPI, cls).setUpClass()
  27
  28         # Create pg interfaces
  29         cls.create_pg_interfaces(range(4))
  30
  31         # Set up all interfaces
  32         for i in cls.pg_interfaces:
  33             i.admin_up()
  34
  35     @classmethod
  36     def tearDownClass(cls):
  37         super(P2PEthernetAPI, cls).tearDownClass()
  38
  39     def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
  40         p2p = VppP2PSubint(self, parent_if, sub_id, mac_pton(remote_mac))
  41         self.p2p_sub_ifs.append(p2p)
  42
  43     def delete_p2p_ethernet(self, parent_if, remote_mac):
  44         self.vapi.p2p_ethernet_del(parent_if.sw_if_index,
  45                                    mac_pton(remote_mac))
  46
  47     def test_api(self):
  48         """delete/create p2p subif"""
  49         self.logger.info("FFP_TEST_START_0000")
  50
  51         self.create_p2p_ethernet(self.pg0, 1, "de:ad:00:00:00:01")
  52         self.create_p2p_ethernet(self.pg0, 2, "de:ad:00:00:00:02")
  53         intfs = self.vapi.cli("show interface")
  54
  55         self.assertIn('pg0.1', intfs)
  56         self.assertIn('pg0.2', intfs)
  57         self.assertNotIn('pg0.5', intfs)
  58
  59         # create pg2.5 subif
  60         self.create_p2p_ethernet(self.pg0, 5, "de:ad:00:00:00:ff")
  61         intfs = self.vapi.cli("show interface")
  62         self.assertIn('pg0.5', intfs)
  63         # delete pg2.5 subif
  64         self.delete_p2p_ethernet(self.pg0, "de:ad:00:00:00:ff")
  65
  66         intfs = self.vapi.cli("show interface")
  67
  68         self.assertIn('pg0.1', intfs)
  69         self.assertIn('pg0.2', intfs)
  70         self.assertNotIn('pg0.5', intfs)
  71
  72         self.logger.info("FFP_TEST_FINISH_0000")
  73
  74     def test_p2p_subif_creation_1k(self):
  75         """create 1k of p2p subifs"""
  76         self.logger.info("FFP_TEST_START_0001")
  77
  78         macs = []
  79         clients = 1000
  80         mac = int("dead00000000", 16)
  81
  82         for i in range(1, clients+1):
  83             try:
  84                 macs.append(':'.join(re.findall('..', '{:02x}'.format(
  85                     mac+i))))
  86                 self.vapi.p2p_ethernet_add(self.pg2.sw_if_index,
  87                                            mac_pton(macs[i-1]),
  88                                            i)
  89             except Exception:
  90                 self.logger.info("Failed to create subif %d %s" % (
  91                     i, macs[i-1]))
  92                 raise
  93
  94         intfs = self.vapi.cli("show interface").split("\n")
  95         count = 0
  96         for intf in intfs:
  97             if intf.startswith('pg2.'):
  98                 count += 1
  99         self.assertEqual(count, clients)
 100
 101         self.logger.info("FFP_TEST_FINISH_0001")
 102
 103
 104 class P2PEthernetIPV6(VppTestCase):
 105     """P2P Ethernet IPv6 tests"""
 106
 107     p2p_sub_ifs = []
 108     packets = []
 109
 110     @classmethod
 111     def setUpClass(cls):
 112         super(P2PEthernetIPV6, cls).setUpClass()
 113
 114         # Create pg interfaces
 115         cls.create_pg_interfaces(range(3))
 116
 117         # Packet sizes
 118         cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
 119
 120         # Set up all interfaces
 121         for i in cls.pg_interfaces:
 122             i.admin_up()
 123
 124         cls.pg0.generate_remote_hosts(3)
 125         cls.pg0.configure_ipv6_neighbors()
 126
 127         cls.pg1.config_ip6()
 128         cls.pg1.generate_remote_hosts(3)
 129         cls.pg1.configure_ipv6_neighbors()
 130         cls.pg1.disable_ipv6_ra()
 131
 132     @classmethod
 133     def tearDownClass(cls):
 134         super(P2PEthernetIPV6, cls).tearDownClass()
 135
 136     def setUp(self):
 137         super(P2PEthernetIPV6, self).setUp()
 138         for p in self.packets:
 139             self.packets.remove(p)
 140         self.p2p_sub_ifs.append(
 141             self.create_p2p_ethernet(self.pg0, 1,
 142                                      self.pg0._remote_hosts[0].mac))
 143         self.p2p_sub_ifs.append(
 144             self.create_p2p_ethernet(self.pg0, 2,
 145                                      self.pg0._remote_hosts[1].mac))
 146         self.vapi.cli("trace add p2p-ethernet-input 50")
 147
 148     def tearDown(self):
 149         while len(self.p2p_sub_ifs):
 150             p2p = self.p2p_sub_ifs.pop()
 151             self.delete_p2p_ethernet(p2p)
 152
 153         super(P2PEthernetIPV6, self).tearDown()
 154
 155     def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
 156         p2p = VppP2PSubint(self, parent_if, sub_id, mac_pton(remote_mac))
 157         p2p.admin_up()
 158         p2p.config_ip6()
 159         p2p.disable_ipv6_ra()
 160         return p2p
 161
 162     def delete_p2p_ethernet(self, p2p):
 163         p2p.unconfig_ip6()
 164         p2p.admin_down()
 165         self.vapi.p2p_ethernet_del(p2p.parent.sw_if_index,
 166                                    p2p.p2p_remote_mac)
 167
 168     def create_stream(self, src_mac=None, dst_mac=None,
 169                       src_ip=None, dst_ip=None, size=None):
 170         pkt_size = size
 171         if size is None:
 172             pkt_size = random.choice(self.pg_if_packet_sizes)
 173         p = Ether(src=src_mac, dst=dst_mac)
 174         p /= IPv6(src=src_ip, dst=dst_ip)
 175         p /= (UDP(sport=1234, dport=4321) / Raw('\xa5' * 20))
 176         self.extend_packet(p, pkt_size)
 177         return p
 178
 179     def send_packets(self, src_if=None, dst_if=None, packets=None, count=None):
 180         self.pg_enable_capture([dst_if])
 181         if packets is None:
 182             packets = self.packets
 183         src_if.add_stream(packets)
 184         self.pg_start()
 185         if count is None:
 186             count = len(packets)
 187         return dst_if.get_capture(count)
 188
 189     def test_no_p2p_subif(self):
 190         """standard routing without p2p subinterfaces"""
 191         self.logger.info("FFP_TEST_START_0001")
 192
 193         route_8000 = VppIpRoute(self, "8000::", 64,
 194                                 [VppRoutePath(self.pg0.remote_ip6,
 195                                               self.pg0.sw_if_index)])
 196         route_8000.add_vpp_config()
 197
 198         self.packets = [(Ether(dst=self.pg1.local_mac,
 199                                src=self.pg1.remote_mac) /
 200                          IPv6(src="3001::1", dst="8000::100") /
 201                          UDP(sport=1234, dport=1234) /
 202                          Raw('\xa5' * 100))]
 203         self.send_packets(self.pg1, self.pg0)
 204
 205         self.logger.info("FFP_TEST_FINISH_0001")
 206
 207     def test_ip6_rx_p2p_subif(self):
 208         """receive ipv6 packet via p2p subinterface"""
 209         self.logger.info("FFP_TEST_START_0002")
 210
 211         route_9001 = VppIpRoute(self, "9001::", 64,
 212                                 [VppRoutePath(self.pg1.remote_ip6,
 213                                               self.pg1.sw_if_index)])
 214         route_9001.add_vpp_config()
 215
 216         self.packets.append(
 217             self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
 218                                dst_mac=self.pg0.local_mac,
 219                                src_ip=self.p2p_sub_ifs[0].remote_ip6,
 220                                dst_ip="9001::100"))
 221
 222         self.send_packets(self.pg0, self.pg1, self.packets)
 223         self.assert_packet_counter_equal('p2p-ethernet-input', 1)
 224
 225         route_9001.remove_vpp_config()
 226         self.logger.info("FFP_TEST_FINISH_0002")
 227
 228     def test_ip6_rx_p2p_subif_route(self):
 229         """route rx ip6 packet not matching p2p subinterface"""
 230         self.logger.info("FFP_TEST_START_0003")
 231
 232         self.pg0.config_ip6()
 233
 234         route_3 = VppIpRoute(self, "9000::", 64,
 235                              [VppRoutePath(self.pg1._remote_hosts[0].ip6,
 236                                            self.pg1.sw_if_index)])
 237         route_3.add_vpp_config()
 238
 239         self.packets.append(
 240             self.create_stream(src_mac="02:03:00:00:ff:ff",
 241                                dst_mac=self.pg0.local_mac,
 242                                src_ip="a000::100",
 243                                dst_ip="9000::100"))
 244
 245         self.send_packets(self.pg0, self.pg1)
 246
 247         self.pg0.unconfig_ip6()
 248
 249         route_3.remove_vpp_config()
 250
 251         self.logger.info("FFP_TEST_FINISH_0003")
 252
 253     def test_ip6_rx_p2p_subif_drop(self):
 254         """drop rx packet not matching p2p subinterface"""
 255         self.logger.info("FFP_TEST_START_0004")
 256
 257         route_9001 = VppIpRoute(self, "9000::", 64,
 258                                 [VppRoutePath(self.pg1._remote_hosts[0].ip6,
 259                                               self.pg1.sw_if_index)])
 260         route_9001.add_vpp_config()
 261
 262         self.packets.append(
 263             self.create_stream(src_mac="02:03:00:00:ff:ff",
 264                                dst_mac=self.pg0.local_mac,
 265                                src_ip="a000::100",
 266                                dst_ip="9000::100"))
 267
 268         # no packet received
 269         self.send_packets(self.pg0, self.pg1, count=0)
 270         self.logger.info("FFP_TEST_FINISH_0004")
 271
 272     def test_ip6_tx_p2p_subif(self):
 273         """send packet via p2p subinterface"""
 274         self.logger.info("FFP_TEST_START_0005")
 275
 276         route_8000 = VppIpRoute(self, "8000::", 64,
 277                                 [VppRoutePath(self.pg0.remote_ip6,
 278                                               self.pg0.sw_if_index)])
 279         route_8000.add_vpp_config()
 280         route_8001 = VppIpRoute(self, "8001::", 64,
 281                                 [VppRoutePath(
 282                                     self.p2p_sub_ifs[0].remote_ip6,
 283                                     self.p2p_sub_ifs[0].sw_if_index)])
 284         route_8001.add_vpp_config()
 285         route_8002 = VppIpRoute(self, "8002::", 64,
 286                                 [VppRoutePath(
 287                                     self.p2p_sub_ifs[1].remote_ip6,
 288                                     self.p2p_sub_ifs[1].sw_if_index)])
 289         route_8002.add_vpp_config()
 290
 291         for i in range(0, 3):
 292             self.packets.append(
 293                 self.create_stream(src_mac=self.pg1.remote_mac,
 294                                    dst_mac=self.pg1.local_mac,
 295                                    src_ip=self.pg1.remote_ip6,
 296                                    dst_ip="800%d::100" % i))
 297
 298         self.send_packets(self.pg1, self.pg0, count=3)
 299
 300         route_8000.remove_vpp_config()
 301         route_8001.remove_vpp_config()
 302         route_8002.remove_vpp_config()
 303
 304         self.logger.info("FFP_TEST_FINISH_0005")
 305
 306     def test_ip6_tx_p2p_subif_drop(self):
 307         """drop tx ip6 packet not matching p2p subinterface"""
 308         self.logger.info("FFP_TEST_START_0006")
 309
 310         self.packets.append(
 311             self.create_stream(src_mac="02:03:00:00:ff:ff",
 312                                dst_mac=self.pg0.local_mac,
 313                                src_ip="a000::100",
 314                                dst_ip="9000::100"))
 315
 316         # no packet received
 317         self.send_packets(self.pg0, self.pg1, count=0)
 318         self.logger.info("FFP_TEST_FINISH_0006")
 319
 320
 321 class P2PEthernetIPV4(VppTestCase):
 322     """P2P Ethernet IPv4 tests"""
 323
 324     p2p_sub_ifs = []
 325     packets = []
 326
 327     @classmethod
 328     def setUpClass(cls):
 329         super(P2PEthernetIPV4, cls).setUpClass()
 330
 331         # Create pg interfaces
 332         cls.create_pg_interfaces(range(3))
 333
 334         # Packet sizes
 335         cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
 336
 337         # Set up all interfaces
 338         for i in cls.pg_interfaces:
 339             i.admin_up()
 340
 341         cls.pg0.config_ip4()
 342         cls.pg0.generate_remote_hosts(5)
 343         cls.pg0.configure_ipv4_neighbors()
 344
 345         cls.pg1.config_ip4()
 346         cls.pg1.generate_remote_hosts(5)
 347         cls.pg1.configure_ipv4_neighbors()
 348
 349     @classmethod
 350     def tearDownClass(cls):
 351         super(P2PEthernetIPV4, cls).tearDownClass()
 352
 353     def setUp(self):
 354         super(P2PEthernetIPV4, self).setUp()
 355         for p in self.packets:
 356             self.packets.remove(p)
 357         self.p2p_sub_ifs.append(
 358             self.create_p2p_ethernet(self.pg0, 1,
 359                                      self.pg0._remote_hosts[0].mac))
 360         self.p2p_sub_ifs.append(
 361             self.create_p2p_ethernet(self.pg0, 2,
 362                                      self.pg0._remote_hosts[1].mac))
 363         self.vapi.cli("trace add p2p-ethernet-input 50")
 364
 365     def tearDown(self):
 366         while len(self.p2p_sub_ifs):
 367             p2p = self.p2p_sub_ifs.pop()
 368             self.delete_p2p_ethernet(p2p)
 369         super(P2PEthernetIPV4, self).tearDown()
 370
 371     def create_stream(self, src_mac=None, dst_mac=None,
 372                       src_ip=None, dst_ip=None, size=None):
 373         pkt_size = size
 374         if size is None:
 375             pkt_size = random.choice(self.pg_if_packet_sizes)
 376         p = Ether(src=src_mac, dst=dst_mac)
 377         p /= IP(src=src_ip, dst=dst_ip)
 378         p /= (UDP(sport=1234, dport=4321) / Raw('\xa5' * 20))
 379         self.extend_packet(p, pkt_size)
 380         return p
 381
 382     def send_packets(self, src_if=None, dst_if=None, packets=None, count=None):
 383         self.pg_enable_capture([dst_if])
 384         if packets is None:
 385             packets = self.packets
 386         src_if.add_stream(packets)
 387         self.pg_start()
 388         if count is None:
 389             count = len(packets)
 390         return dst_if.get_capture(count)
 391
 392     def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
 393         p2p = VppP2PSubint(self, parent_if, sub_id, mac_pton(remote_mac))
 394         p2p.admin_up()
 395         p2p.config_ip4()
 396         return p2p
 397
 398     def delete_p2p_ethernet(self, p2p):
 399         p2p.unconfig_ip4()
 400         p2p.admin_down()
 401         self.vapi.p2p_ethernet_del(p2p.parent.sw_if_index,
 402                                    p2p.p2p_remote_mac)
 403
 404     def test_ip4_rx_p2p_subif(self):
 405         """receive ipv4 packet via p2p subinterface"""
 406         self.logger.info("FFP_TEST_START_0002")
 407
 408         route_9000 = VppIpRoute(self, "9.0.0.0", 16,
 409                                 [VppRoutePath(self.pg1.remote_ip4,
 410                                               self.pg1.sw_if_index)])
 411         route_9000.add_vpp_config()
 412
 413         self.packets.append(
 414             self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
 415                                dst_mac=self.pg0.local_mac,
 416                                src_ip=self.p2p_sub_ifs[0].remote_ip4,
 417                                dst_ip="9.0.0.100"))
 418
 419         self.send_packets(self.pg0, self.pg1, self.packets)
 420
 421         self.assert_packet_counter_equal('p2p-ethernet-input', 1)
 422
 423         route_9000.remove_vpp_config()
 424         self.logger.info("FFP_TEST_FINISH_0002")
 425
 426     def test_ip4_rx_p2p_subif_route(self):
 427         """route rx packet not matching p2p subinterface"""
 428         self.logger.info("FFP_TEST_START_0003")
 429
 430         route_9001 = VppIpRoute(self, "9.0.0.0", 24,
 431                                 [VppRoutePath(self.pg1.remote_ip4,
 432                                               self.pg1.sw_if_index)])
 433         route_9001.add_vpp_config()
 434
 435         self.packets.append(
 436             self.create_stream(src_mac="02:01:00:00:ff:ff",
 437                                dst_mac=self.pg0.local_mac,
 438                                src_ip="8.0.0.100",
 439                                dst_ip="9.0.0.100"))
 440
 441         self.send_packets(self.pg0, self.pg1)
 442
 443         route_9001.remove_vpp_config()
 444
 445         self.logger.info("FFP_TEST_FINISH_0003")
 446
 447     def test_ip4_tx_p2p_subif(self):
 448         """send ip4 packet via p2p subinterface"""
 449         self.logger.info("FFP_TEST_START_0005")
 450
 451         route_9100 = VppIpRoute(self, "9.1.0.100", 24,
 452                                 [VppRoutePath(self.pg0.remote_ip4,
 453                                               self.pg0.sw_if_index,
 454                                               )])
 455         route_9100.add_vpp_config()
 456         route_9200 = VppIpRoute(self, "9.2.0.100", 24,
 457                                 [VppRoutePath(self.p2p_sub_ifs[0].remote_ip4,
 458                                               self.p2p_sub_ifs[0].sw_if_index,
 459                                               )])
 460         route_9200.add_vpp_config()
 461         route_9300 = VppIpRoute(self, "9.3.0.100", 24,
 462                                 [VppRoutePath(self.p2p_sub_ifs[1].remote_ip4,
 463                                               self.p2p_sub_ifs[1].sw_if_index
 464                                               )])
 465         route_9300.add_vpp_config()
 466
 467         for i in range(0, 3):
 468             self.packets.append(
 469                 self.create_stream(src_mac=self.pg1.remote_mac,
 470                                    dst_mac=self.pg1.local_mac,
 471                                    src_ip=self.pg1.remote_ip4,
 472                                    dst_ip="9.%d.0.100" % (i+1)))
 473
 474         self.send_packets(self.pg1, self.pg0)
 475
 476         # route_7000.remove_vpp_config()
 477         route_9100.remove_vpp_config()
 478         route_9200.remove_vpp_config()
 479         route_9300.remove_vpp_config()
 480
 481         self.logger.info("FFP_TEST_FINISH_0005")
 482
 483     def test_ip4_tx_p2p_subif_drop(self):
 484         """drop tx ip4 packet not matching p2p subinterface"""
 485         self.logger.info("FFP_TEST_START_0006")
 486
 487         self.packets.append(
 488             self.create_stream(src_mac="02:01:00:00:ff:ff",
 489                                dst_mac=self.pg0.local_mac,
 490                                src_ip="8.0.0.100",
 491                                dst_ip="9.0.0.100"))
 492
 493         # no packet received
 494         self.send_packets(self.pg0, self.pg1, count=0)
 495         self.logger.info("FFP_TEST_FINISH_0006")
 496
 497
 498 if __name__ == '__main__':
 499     unittest.main(testRunner=VppTestRunner)