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                                               proto=DpoProto.DPO_PROTO_IP6)],
 197                                 is_ip6=1)
 198         route_8000.add_vpp_config()
 199
 200         self.packets = [(Ether(dst=self.pg1.local_mac,
 201                                src=self.pg1.remote_mac) /
 202                          IPv6(src="3001::1", dst="8000::100") /
 203                          UDP(sport=1234, dport=1234) /
 204                          Raw('\xa5' * 100))]
 205         self.send_packets(self.pg1, self.pg0)
 206
 207         self.logger.info("FFP_TEST_FINISH_0001")
 208
 209     def test_ip6_rx_p2p_subif(self):
 210         """receive ipv6 packet via p2p subinterface"""
 211         self.logger.info("FFP_TEST_START_0002")
 212
 213         route_9001 = VppIpRoute(self, "9001::", 64,
 214                                 [VppRoutePath(self.pg1.remote_ip6,
 215                                               self.pg1.sw_if_index,
 216                                               proto=DpoProto.DPO_PROTO_IP6)],
 217                                 is_ip6=1)
 218         route_9001.add_vpp_config()
 219
 220         self.packets.append(
 221             self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
 222                                dst_mac=self.pg0.local_mac,
 223                                src_ip=self.p2p_sub_ifs[0].remote_ip6,
 224                                dst_ip="9001::100"))
 225
 226         self.send_packets(self.pg0, self.pg1, self.packets)
 227         self.assert_packet_counter_equal('p2p-ethernet-input', 1)
 228
 229         route_9001.remove_vpp_config()
 230         self.logger.info("FFP_TEST_FINISH_0002")
 231
 232     def test_ip6_rx_p2p_subif_route(self):
 233         """route rx ip6 packet not matching p2p subinterface"""
 234         self.logger.info("FFP_TEST_START_0003")
 235
 236         self.pg0.config_ip6()
 237
 238         route_3 = VppIpRoute(self, "9000::", 64,
 239                              [VppRoutePath(self.pg1._remote_hosts[0].ip6,
 240                                            self.pg1.sw_if_index,
 241                                            proto=DpoProto.DPO_PROTO_IP6)],
 242                              is_ip6=1)
 243         route_3.add_vpp_config()
 244
 245         self.packets.append(
 246             self.create_stream(src_mac="02:03:00:00:ff:ff",
 247                                dst_mac=self.pg0.local_mac,
 248                                src_ip="a000::100",
 249                                dst_ip="9000::100"))
 250
 251         self.send_packets(self.pg0, self.pg1)
 252
 253         self.pg0.unconfig_ip6()
 254
 255         route_3.remove_vpp_config()
 256
 257         self.logger.info("FFP_TEST_FINISH_0003")
 258
 259     def test_ip6_rx_p2p_subif_drop(self):
 260         """drop rx packet not matching p2p subinterface"""
 261         self.logger.info("FFP_TEST_START_0004")
 262
 263         route_9001 = VppIpRoute(self, "9000::", 64,
 264                                 [VppRoutePath(self.pg1._remote_hosts[0].ip6,
 265                                               self.pg1.sw_if_index,
 266                                               proto=DpoProto.DPO_PROTO_IP6)],
 267                                 is_ip6=1)
 268         route_9001.add_vpp_config()
 269
 270         self.packets.append(
 271             self.create_stream(src_mac="02:03:00:00:ff:ff",
 272                                dst_mac=self.pg0.local_mac,
 273                                src_ip="a000::100",
 274                                dst_ip="9000::100"))
 275
 276         # no packet received
 277         self.send_packets(self.pg0, self.pg1, count=0)
 278         self.logger.info("FFP_TEST_FINISH_0004")
 279
 280     def test_ip6_tx_p2p_subif(self):
 281         """send packet via p2p subinterface"""
 282         self.logger.info("FFP_TEST_START_0005")
 283
 284         route_8000 = VppIpRoute(self, "8000::", 64,
 285                                 [VppRoutePath(self.pg0.remote_ip6,
 286                                               self.pg0.sw_if_index,
 287                                               proto=DpoProto.DPO_PROTO_IP6)],
 288                                 is_ip6=1)
 289         route_8000.add_vpp_config()
 290         route_8001 = VppIpRoute(self, "8001::", 64,
 291                                 [VppRoutePath(self.p2p_sub_ifs[0].remote_ip6,
 292                                               self.p2p_sub_ifs[0].sw_if_index,
 293                                               proto=DpoProto.DPO_PROTO_IP6)],
 294                                 is_ip6=1)
 295         route_8001.add_vpp_config()
 296         route_8002 = VppIpRoute(self, "8002::", 64,
 297                                 [VppRoutePath(self.p2p_sub_ifs[1].remote_ip6,
 298                                               self.p2p_sub_ifs[1].sw_if_index,
 299                                               proto=DpoProto.DPO_PROTO_IP6)],
 300                                 is_ip6=1)
 301         route_8002.add_vpp_config()
 302
 303         for i in range(0, 3):
 304             self.packets.append(
 305                 self.create_stream(src_mac=self.pg1.remote_mac,
 306                                    dst_mac=self.pg1.local_mac,
 307                                    src_ip=self.pg1.remote_ip6,
 308                                    dst_ip="800%d::100" % i))
 309
 310         self.send_packets(self.pg1, self.pg0, count=3)
 311
 312         route_8000.remove_vpp_config()
 313         route_8001.remove_vpp_config()
 314         route_8002.remove_vpp_config()
 315
 316         self.logger.info("FFP_TEST_FINISH_0005")
 317
 318     def test_ip6_tx_p2p_subif_drop(self):
 319         """drop tx ip6 packet not matching p2p subinterface"""
 320         self.logger.info("FFP_TEST_START_0006")
 321
 322         self.packets.append(
 323             self.create_stream(src_mac="02:03:00:00:ff:ff",
 324                                dst_mac=self.pg0.local_mac,
 325                                src_ip="a000::100",
 326                                dst_ip="9000::100"))
 327
 328         # no packet received
 329         self.send_packets(self.pg0, self.pg1, count=0)
 330         self.logger.info("FFP_TEST_FINISH_0006")
 331
 332
 333 class P2PEthernetIPV4(VppTestCase):
 334     """P2P Ethernet IPv4 tests"""
 335
 336     p2p_sub_ifs = []
 337     packets = []
 338
 339     @classmethod
 340     def setUpClass(cls):
 341         super(P2PEthernetIPV4, cls).setUpClass()
 342
 343         # Create pg interfaces
 344         cls.create_pg_interfaces(range(3))
 345
 346         # Packet sizes
 347         cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
 348
 349         # Set up all interfaces
 350         for i in cls.pg_interfaces:
 351             i.admin_up()
 352
 353         cls.pg0.config_ip4()
 354         cls.pg0.generate_remote_hosts(5)
 355         cls.pg0.configure_ipv4_neighbors()
 356
 357         cls.pg1.config_ip4()
 358         cls.pg1.generate_remote_hosts(5)
 359         cls.pg1.configure_ipv4_neighbors()
 360
 361     @classmethod
 362     def tearDownClass(cls):
 363         super(P2PEthernetIPV4, cls).tearDownClass()
 364
 365     def setUp(self):
 366         super(P2PEthernetIPV4, self).setUp()
 367         for p in self.packets:
 368             self.packets.remove(p)
 369         self.p2p_sub_ifs.append(
 370             self.create_p2p_ethernet(self.pg0, 1,
 371                                      self.pg0._remote_hosts[0].mac))
 372         self.p2p_sub_ifs.append(
 373             self.create_p2p_ethernet(self.pg0, 2,
 374                                      self.pg0._remote_hosts[1].mac))
 375         self.vapi.cli("trace add p2p-ethernet-input 50")
 376
 377     def tearDown(self):
 378         while len(self.p2p_sub_ifs):
 379             p2p = self.p2p_sub_ifs.pop()
 380             self.delete_p2p_ethernet(p2p)
 381         super(P2PEthernetIPV4, self).tearDown()
 382
 383     def create_stream(self, src_mac=None, dst_mac=None,
 384                       src_ip=None, dst_ip=None, size=None):
 385         pkt_size = size
 386         if size is None:
 387             pkt_size = random.choice(self.pg_if_packet_sizes)
 388         p = Ether(src=src_mac, dst=dst_mac)
 389         p /= IP(src=src_ip, dst=dst_ip)
 390         p /= (UDP(sport=1234, dport=4321) / Raw('\xa5' * 20))
 391         self.extend_packet(p, pkt_size)
 392         return p
 393
 394     def send_packets(self, src_if=None, dst_if=None, packets=None, count=None):
 395         self.pg_enable_capture([dst_if])
 396         if packets is None:
 397             packets = self.packets
 398         src_if.add_stream(packets)
 399         self.pg_start()
 400         if count is None:
 401             count = len(packets)
 402         return dst_if.get_capture(count)
 403
 404     def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
 405         p2p = VppP2PSubint(self, parent_if, sub_id, mac_pton(remote_mac))
 406         p2p.admin_up()
 407         p2p.config_ip4()
 408         return p2p
 409
 410     def delete_p2p_ethernet(self, p2p):
 411         p2p.unconfig_ip4()
 412         p2p.admin_down()
 413         self.vapi.p2p_ethernet_del(p2p.parent.sw_if_index,
 414                                    p2p.p2p_remote_mac)
 415
 416     def test_ip4_rx_p2p_subif(self):
 417         """receive ipv4 packet via p2p subinterface"""
 418         self.logger.info("FFP_TEST_START_0002")
 419
 420         route_9000 = VppIpRoute(self, "9.0.0.0", 16,
 421                                 [VppRoutePath(self.pg1.remote_ip4,
 422                                               self.pg1.sw_if_index)])
 423         route_9000.add_vpp_config()
 424
 425         self.packets.append(
 426             self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
 427                                dst_mac=self.pg0.local_mac,
 428                                src_ip=self.p2p_sub_ifs[0].remote_ip4,
 429                                dst_ip="9.0.0.100"))
 430
 431         self.send_packets(self.pg0, self.pg1, self.packets)
 432
 433         self.assert_packet_counter_equal('p2p-ethernet-input', 1)
 434
 435         route_9000.remove_vpp_config()
 436         self.logger.info("FFP_TEST_FINISH_0002")
 437
 438     def test_ip4_rx_p2p_subif_route(self):
 439         """route rx packet not matching p2p subinterface"""
 440         self.logger.info("FFP_TEST_START_0003")
 441
 442         route_9001 = VppIpRoute(self, "9.0.0.0", 24,
 443                                 [VppRoutePath(self.pg1.remote_ip4,
 444                                               self.pg1.sw_if_index)])
 445         route_9001.add_vpp_config()
 446
 447         self.packets.append(
 448             self.create_stream(src_mac="02:01:00:00:ff:ff",
 449                                dst_mac=self.pg0.local_mac,
 450                                src_ip="8.0.0.100",
 451                                dst_ip="9.0.0.100"))
 452
 453         self.send_packets(self.pg0, self.pg1)
 454
 455         route_9001.remove_vpp_config()
 456
 457         self.logger.info("FFP_TEST_FINISH_0003")
 458
 459     def test_ip4_tx_p2p_subif(self):
 460         """send ip4 packet via p2p subinterface"""
 461         self.logger.info("FFP_TEST_START_0005")
 462
 463         route_9100 = VppIpRoute(self, "9.1.0.100", 24,
 464                                 [VppRoutePath(self.pg0.remote_ip4,
 465                                               self.pg0.sw_if_index,
 466                                               )])
 467         route_9100.add_vpp_config()
 468         route_9200 = VppIpRoute(self, "9.2.0.100", 24,
 469                                 [VppRoutePath(self.p2p_sub_ifs[0].remote_ip4,
 470                                               self.p2p_sub_ifs[0].sw_if_index,
 471                                               )])
 472         route_9200.add_vpp_config()
 473         route_9300 = VppIpRoute(self, "9.3.0.100", 24,
 474                                 [VppRoutePath(self.p2p_sub_ifs[1].remote_ip4,
 475                                               self.p2p_sub_ifs[1].sw_if_index
 476                                               )])
 477         route_9300.add_vpp_config()
 478
 479         for i in range(0, 3):
 480             self.packets.append(
 481                 self.create_stream(src_mac=self.pg1.remote_mac,
 482                                    dst_mac=self.pg1.local_mac,
 483                                    src_ip=self.pg1.remote_ip4,
 484                                    dst_ip="9.%d.0.100" % (i+1)))
 485
 486         self.send_packets(self.pg1, self.pg0)
 487
 488         # route_7000.remove_vpp_config()
 489         route_9100.remove_vpp_config()
 490         route_9200.remove_vpp_config()
 491         route_9300.remove_vpp_config()
 492
 493         self.logger.info("FFP_TEST_FINISH_0005")
 494
 495     def test_ip4_tx_p2p_subif_drop(self):
 496         """drop tx ip4 packet not matching p2p subinterface"""
 497         self.logger.info("FFP_TEST_START_0006")
 498
 499         self.packets.append(
 500             self.create_stream(src_mac="02:01:00:00:ff:ff",
 501                                dst_mac=self.pg0.local_mac,
 502                                src_ip="8.0.0.100",
 503                                dst_ip="9.0.0.100"))
 504
 505         # no packet received
 506         self.send_packets(self.pg0, self.pg1, count=0)
 507         self.logger.info("FFP_TEST_FINISH_0006")
 508
 509
 510 if __name__ == '__main__':
 511     unittest.main(testRunner=VppTestRunner)