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_route import VppIpRoute, VppRoutePath, DpoProto
  15 from util import mactobinary
  16
  17
  18 class P2PEthernetAPI(VppTestCase):
  19     """P2P Ethernet tests"""
  20
  21     p2p_sub_ifs = []
  22
  23     @classmethod
  24     def setUpClass(cls):
  25         super(P2PEthernetAPI, cls).setUpClass()
  26
  27         # Create pg interfaces
  28         cls.create_pg_interfaces(range(4))
  29
  30         # Set up all interfaces
  31         for i in cls.pg_interfaces:
  32             i.admin_up()
  33
  34     def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
  35         p2p = VppP2PSubint(self, parent_if, sub_id, mactobinary(remote_mac))
  36         self.p2p_sub_ifs.append(p2p)
  37
  38     def delete_p2p_ethernet(self, parent_if, remote_mac):
  39         self.vapi.delete_p2pethernet_subif(parent_if.sw_if_index,
  40                                            mactobinary(remote_mac))
  41
  42     def test_api(self):
  43         """delete/create p2p subif"""
  44         self.logger.info("FFP_TEST_START_0000")
  45
  46         self.create_p2p_ethernet(self.pg0, 1, "de:ad:00:00:00:01")
  47         self.create_p2p_ethernet(self.pg0, 2, "de:ad:00:00:00:02")
  48         intfs = self.vapi.cli("show interface")
  49
  50         self.assertNotEqual(intfs.find('pg0.1'), -1)
  51         self.assertNotEqual(intfs.find('pg0.2'), -1)
  52         self.assertEqual(intfs.find('pg0.5'), -1)
  53
  54         # create pg2.5 subif
  55         self.create_p2p_ethernet(self.pg0, 5, "de:ad:00:00:00:ff")
  56         intfs = self.vapi.cli("show interface")
  57         self.assertNotEqual(intfs.find('pg0.5'), -1)
  58         # delete pg2.5 subif
  59         self.delete_p2p_ethernet(self.pg0, "de:ad:00:00:00:ff")
  60
  61         intfs = self.vapi.cli("show interface")
  62
  63         self.assertNotEqual(intfs.find('pg0.1'), -1)
  64         self.assertNotEqual(intfs.find('pg0.2'), -1)
  65         self.assertEqual(intfs.find('pg0.5'), -1)
  66
  67         self.logger.info("FFP_TEST_FINISH_0000")
  68
  69     def test_p2p_subif_creation_1k(self):
  70         """create 1k of p2p subifs"""
  71         self.logger.info("FFP_TEST_START_0001")
  72
  73         macs = []
  74         clients = 1000
  75         mac = int("dead00000000", 16)
  76
  77         for i in range(1, clients+1):
  78             try:
  79                 macs.append(':'.join(re.findall('..', '{:02x}'.format(mac+i))))
  80                 self.vapi.create_p2pethernet_subif(self.pg2.sw_if_index,
  81                                                    mactobinary(macs[i-1]),
  82                                                    i)
  83             except Exception:
  84                 print "Failed to create subif %d %s" % (i, macs[i-1])
  85                 raise
  86
  87         intfs = self.vapi.cli("show interface").split("\n")
  88         count = 0
  89         for intf in intfs:
  90             if intf.startswith('pg2.'):
  91                 count += 1
  92         self.assertEqual(count, clients)
  93
  94         self.logger.info("FFP_TEST_FINISH_0001")
  95
  96
  97 class P2PEthernetIPV6(VppTestCase):
  98     """P2P Ethernet IPv6 tests"""
  99
 100     p2p_sub_ifs = []
 101     packets = []
 102
 103     @classmethod
 104     def setUpClass(cls):
 105         super(P2PEthernetIPV6, cls).setUpClass()
 106
 107         # Create pg interfaces
 108         cls.create_pg_interfaces(range(3))
 109
 110         # Packet sizes
 111         cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
 112
 113         # Set up all interfaces
 114         for i in cls.pg_interfaces:
 115             i.admin_up()
 116
 117         cls.pg0.generate_remote_hosts(3)
 118         cls.pg0.configure_ipv6_neighbors()
 119
 120         cls.pg1.config_ip6()
 121         cls.pg1.generate_remote_hosts(3)
 122         cls.pg1.configure_ipv6_neighbors()
 123         cls.pg1.disable_ipv6_ra()
 124
 125     def setUp(self):
 126         super(P2PEthernetIPV6, self).setUp()
 127         for p in self.packets:
 128             self.packets.remove(p)
 129         self.create_p2p_ethernet(self.pg0, 1, self.pg0._remote_hosts[0].mac)
 130         self.create_p2p_ethernet(self.pg0, 2, self.pg0._remote_hosts[1].mac)
 131         self.p2p_sub_ifs[0].config_ip6()
 132         self.p2p_sub_ifs[1].config_ip6()
 133         self.vapi.cli("trace add p2p-ethernet-input 50")
 134
 135     def tearDown(self):
 136         self.delete_p2p_ethernet(self.pg0, self.pg0._remote_hosts[0].mac)
 137         self.delete_p2p_ethernet(self.pg0, self.pg0._remote_hosts[1].mac)
 138         super(P2PEthernetIPV6, self).tearDown()
 139
 140     def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
 141         p2p = VppP2PSubint(self, parent_if, sub_id, mactobinary(remote_mac))
 142         p2p.admin_up()
 143         p2p.config_ip6()
 144         p2p.disable_ipv6_ra()
 145         self.p2p_sub_ifs.append(p2p)
 146
 147     def delete_p2p_ethernet(self, parent_if, remote_mac):
 148         self.vapi.delete_p2pethernet_subif(parent_if.sw_if_index,
 149                                            mactobinary(remote_mac))
 150
 151     def create_stream(self, src_mac=None, dst_mac=None,
 152                       src_ip=None, dst_ip=None, size=None):
 153         pkt_size = size
 154         if size is None:
 155             pkt_size = random.choice(self.pg_if_packet_sizes)
 156         p = Ether(src=src_mac, dst=dst_mac)
 157         p /= IPv6(src=src_ip, dst=dst_ip)
 158         p /= (UDP(sport=1234, dport=4321) / Raw('\xa5' * 20))
 159         self.extend_packet(p, pkt_size)
 160         return p
 161
 162     def send_packets(self, src_if=None, dst_if=None, packets=None, count=None):
 163         self.pg_enable_capture([dst_if])
 164         if packets is None:
 165             packets = self.packets
 166         src_if.add_stream(packets)
 167         self.pg_start()
 168         if count is None:
 169             count = len(packets)
 170         return dst_if.get_capture(count)
 171
 172     def verify_counters(self, counter_id, expected_value):
 173         counters = self.vapi.cli("sh errors").split('\n')
 174         counter_value = -1
 175         for i in range(1, len(counters)-1):
 176             results = counters[i].split()
 177             if results[1] == counter_id:
 178                 counter_value = int(results[0])
 179                 break
 180         self.assertEqual(counter_value, expected_value)
 181
 182     def test_no_p2p_subif(self):
 183         """standard routing without p2p subinterfaces"""
 184         self.logger.info("FFP_TEST_START_0001")
 185
 186         route_8000 = VppIpRoute(self, "8000::", 64,
 187                                 [VppRoutePath(self.pg0.remote_ip6,
 188                                               self.pg0.sw_if_index,
 189                                               proto=DpoProto.DPO_PROTO_IP6)],
 190                                 is_ip6=1)
 191         route_8000.add_vpp_config()
 192
 193         self.packets = [(Ether(dst=self.pg1.local_mac,
 194                                src=self.pg1.remote_mac) /
 195                          IPv6(src="3001::1", dst="8000::100") /
 196                          UDP(sport=1234, dport=1234) /
 197                          Raw('\xa5' * 100))]
 198         self.send_packets(self.pg1, self.pg0)
 199
 200         self.logger.info("FFP_TEST_FINISH_0001")
 201
 202     def test_ip6_rx_p2p_subif(self):
 203         """receive ipv6 packet via p2p subinterface"""
 204         self.logger.info("FFP_TEST_START_0002")
 205
 206         route_9001 = VppIpRoute(self, "9001::", 64,
 207                                 [VppRoutePath(self.pg1.remote_ip6,
 208                                               self.pg1.sw_if_index,
 209                                               proto=DpoProto.DPO_PROTO_IP6)],
 210                                 is_ip6=1)
 211         route_9001.add_vpp_config()
 212
 213         self.packets.append(
 214             self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
 215                                dst_mac=self.pg0.local_mac,
 216                                src_ip=self.p2p_sub_ifs[0].remote_ip6,
 217                                dst_ip="9001::100"))
 218
 219         self.send_packets(self.pg0, self.pg1, self.packets)
 220         self.verify_counters('p2p-ethernet-input', 1)
 221
 222         route_9001.remove_vpp_config()
 223         self.logger.info("FFP_TEST_FINISH_0002")
 224
 225     def test_ip6_rx_p2p_subif_route(self):
 226         """route rx ip6 packet not matching p2p subinterface"""
 227         self.logger.info("FFP_TEST_START_0003")
 228
 229         self.pg0.config_ip6()
 230
 231         route_3 = VppIpRoute(self, "9000::", 64,
 232                              [VppRoutePath(self.pg1._remote_hosts[0].ip6,
 233                                            self.pg1.sw_if_index,
 234                                            proto=DpoProto.DPO_PROTO_IP6)],
 235                              is_ip6=1)
 236         route_3.add_vpp_config()
 237
 238         self.packets.append(
 239             self.create_stream(src_mac="02:03:00:00:ff:ff",
 240                                dst_mac=self.pg0.local_mac,
 241                                src_ip="a000::100",
 242                                dst_ip="9000::100"))
 243
 244         self.send_packets(self.pg0, self.pg1)
 245
 246         self.pg0.unconfig_ip6()
 247
 248         route_3.remove_vpp_config()
 249
 250         self.logger.info("FFP_TEST_FINISH_0003")
 251
 252     def test_ip6_rx_p2p_subif_drop(self):
 253         """drop rx packet not matching p2p subinterface"""
 254         self.logger.info("FFP_TEST_START_0004")
 255
 256         route_9001 = VppIpRoute(self, "9000::", 64,
 257                                 [VppRoutePath(self.pg1._remote_hosts[0].ip6,
 258                                               self.pg1.sw_if_index,
 259                                               proto=DpoProto.DPO_PROTO_IP6)],
 260                                 is_ip6=1)
 261         route_9001.add_vpp_config()
 262
 263         self.packets.append(
 264             self.create_stream(src_mac="02:03:00:00:ff:ff",
 265                                dst_mac=self.pg0.local_mac,
 266                                src_ip="a000::100",
 267                                dst_ip="9000::100"))
 268
 269         # no packet received
 270         self.send_packets(self.pg0, self.pg1, count=0)
 271         self.logger.info("FFP_TEST_FINISH_0004")
 272
 273     def test_ip6_tx_p2p_subif(self):
 274         """send packet via p2p subinterface"""
 275         self.logger.info("FFP_TEST_START_0005")
 276
 277         route_8000 = VppIpRoute(self, "8000::", 64,
 278                                 [VppRoutePath(self.pg0.remote_ip6,
 279                                               self.pg0.sw_if_index,
 280                                               proto=DpoProto.DPO_PROTO_IP6)],
 281                                 is_ip6=1)
 282         route_8000.add_vpp_config()
 283         route_8001 = VppIpRoute(self, "8001::", 64,
 284                                 [VppRoutePath(self.p2p_sub_ifs[0].remote_ip6,
 285                                               self.p2p_sub_ifs[0].sw_if_index,
 286                                               proto=DpoProto.DPO_PROTO_IP6)],
 287                                 is_ip6=1)
 288         route_8001.add_vpp_config()
 289         route_8002 = VppIpRoute(self, "8002::", 64,
 290                                 [VppRoutePath(self.p2p_sub_ifs[1].remote_ip6,
 291                                               self.p2p_sub_ifs[1].sw_if_index,
 292                                               proto=DpoProto.DPO_PROTO_IP6)],
 293                                 is_ip6=1)
 294         route_8002.add_vpp_config()
 295
 296         for i in range(0, 3):
 297             self.packets.append(
 298                 self.create_stream(src_mac=self.pg1.remote_mac,
 299                                    dst_mac=self.pg1.local_mac,
 300                                    src_ip=self.pg1.remote_ip6,
 301                                    dst_ip="800%d::100" % i))
 302
 303         self.send_packets(self.pg1, self.pg0, count=3)
 304
 305         route_8000.remove_vpp_config()
 306         route_8001.remove_vpp_config()
 307         route_8002.remove_vpp_config()
 308
 309         self.logger.info("FFP_TEST_FINISH_0005")
 310
 311     def test_ip6_tx_p2p_subif_drop(self):
 312         """drop tx ip6 packet not matching p2p subinterface"""
 313         self.logger.info("FFP_TEST_START_0006")
 314
 315         self.packets.append(
 316             self.create_stream(src_mac="02:03:00:00:ff:ff",
 317                                dst_mac=self.pg0.local_mac,
 318                                src_ip="a000::100",
 319                                dst_ip="9000::100"))
 320
 321         # no packet received
 322         self.send_packets(self.pg0, self.pg1, count=0)
 323         self.logger.info("FFP_TEST_FINISH_0006")
 324
 325
 326 class P2PEthernetIPV4(VppTestCase):
 327     """P2P Ethernet IPv4 tests"""
 328
 329     p2p_sub_ifs = []
 330     packets = []
 331
 332     @classmethod
 333     def setUpClass(cls):
 334         super(P2PEthernetIPV4, cls).setUpClass()
 335
 336         # Create pg interfaces
 337         cls.create_pg_interfaces(range(3))
 338
 339         # Packet sizes
 340         cls.pg_if_packet_sizes = [64, 512, 1518, 9018]
 341
 342         # Set up all interfaces
 343         for i in cls.pg_interfaces:
 344             i.admin_up()
 345
 346         cls.pg0.config_ip4()
 347         cls.pg0.generate_remote_hosts(5)
 348         cls.pg0.configure_ipv4_neighbors()
 349
 350         cls.pg1.config_ip4()
 351         cls.pg1.generate_remote_hosts(5)
 352         cls.pg1.configure_ipv4_neighbors()
 353
 354     def setUp(self):
 355         super(P2PEthernetIPV4, self).setUp()
 356         for p in self.packets:
 357             self.packets.remove(p)
 358         self.create_p2p_ethernet(self.pg0, 1, self.pg0._remote_hosts[0].mac)
 359         self.create_p2p_ethernet(self.pg0, 2, self.pg0._remote_hosts[1].mac)
 360         self.p2p_sub_ifs[0].config_ip4()
 361         self.p2p_sub_ifs[1].config_ip4()
 362         self.vapi.cli("trace add p2p-ethernet-input 50")
 363
 364     def tearDown(self):
 365         self.delete_p2p_ethernet(self.pg0, self.pg0._remote_hosts[0].mac)
 366         self.delete_p2p_ethernet(self.pg0, self.pg0._remote_hosts[1].mac)
 367         super(P2PEthernetIPV4, self).tearDown()
 368
 369     def create_stream(self, src_mac=None, dst_mac=None,
 370                       src_ip=None, dst_ip=None, size=None):
 371         pkt_size = size
 372         if size is None:
 373             pkt_size = random.choice(self.pg_if_packet_sizes)
 374         p = Ether(src=src_mac, dst=dst_mac)
 375         p /= IP(src=src_ip, dst=dst_ip)
 376         p /= (UDP(sport=1234, dport=4321) / Raw('\xa5' * 20))
 377         self.extend_packet(p, pkt_size)
 378         return p
 379
 380     def send_packets(self, src_if=None, dst_if=None, packets=None, count=None):
 381         self.pg_enable_capture([dst_if])
 382         if packets is None:
 383             packets = self.packets
 384         src_if.add_stream(packets)
 385         self.pg_start()
 386         if count is None:
 387             count = len(packets)
 388         return dst_if.get_capture(count)
 389
 390     def verify_counters(self, counter_id, expected_value):
 391         counters = self.vapi.cli("sh errors").split('\n')
 392         counter_value = -1
 393         for i in range(1, len(counters)-1):
 394             results = counters[i].split()
 395             if results[1] == counter_id:
 396                 counter_value = int(results[0])
 397                 break
 398         self.assertEqual(counter_value, expected_value)
 399
 400     def create_p2p_ethernet(self, parent_if, sub_id, remote_mac):
 401         p2p = VppP2PSubint(self, parent_if, sub_id, mactobinary(remote_mac))
 402         p2p.admin_up()
 403         p2p.config_ip4()
 404         self.p2p_sub_ifs.append(p2p)
 405
 406     def delete_p2p_ethernet(self, parent_if, remote_mac):
 407         self.vapi.delete_p2pethernet_subif(parent_if.sw_if_index,
 408                                            mactobinary(remote_mac))
 409
 410     def test_ip4_rx_p2p_subif(self):
 411         """receive ipv4 packet via p2p subinterface"""
 412         self.logger.info("FFP_TEST_START_0002")
 413
 414         route_9000 = VppIpRoute(self, "9.0.0.0", 16,
 415                                 [VppRoutePath(self.pg1.remote_ip4,
 416                                               self.pg1.sw_if_index)])
 417         route_9000.add_vpp_config()
 418
 419         self.packets.append(
 420             self.create_stream(src_mac=self.pg0._remote_hosts[0].mac,
 421                                dst_mac=self.pg0.local_mac,
 422                                src_ip=self.p2p_sub_ifs[0].remote_ip4,
 423                                dst_ip="9.0.0.100"))
 424
 425         self.send_packets(self.pg0, self.pg1, self.packets)
 426
 427         self.verify_counters('p2p-ethernet-input', 1)
 428
 429         route_9000.remove_vpp_config()
 430         self.logger.info("FFP_TEST_FINISH_0002")
 431
 432     def test_ip4_rx_p2p_subif_route(self):
 433         """route rx packet not matching p2p subinterface"""
 434         self.logger.info("FFP_TEST_START_0003")
 435
 436         route_9001 = VppIpRoute(self, "9.0.0.0", 24,
 437                                 [VppRoutePath(self.pg1.remote_ip4,
 438                                               self.pg1.sw_if_index)])
 439         route_9001.add_vpp_config()
 440
 441         self.packets.append(
 442             self.create_stream(src_mac="02:01:00:00:ff:ff",
 443                                dst_mac=self.pg0.local_mac,
 444                                src_ip="8.0.0.100",
 445                                dst_ip="9.0.0.100"))
 446
 447         self.send_packets(self.pg0, self.pg1)
 448
 449         route_9001.remove_vpp_config()
 450
 451         self.logger.info("FFP_TEST_FINISH_0003")
 452
 453     def test_ip4_tx_p2p_subif(self):
 454         """send ip4 packet via p2p subinterface"""
 455         self.logger.info("FFP_TEST_START_0005")
 456
 457         route_9100 = VppIpRoute(self, "9.1.0.100", 24,
 458                                 [VppRoutePath(self.pg0.remote_ip4,
 459                                               self.pg0.sw_if_index,
 460                                               )])
 461         route_9100.add_vpp_config()
 462         route_9200 = VppIpRoute(self, "9.2.0.100", 24,
 463                                 [VppRoutePath(self.p2p_sub_ifs[0].remote_ip4,
 464                                               self.p2p_sub_ifs[0].sw_if_index,
 465                                               )])
 466         route_9200.add_vpp_config()
 467         route_9300 = VppIpRoute(self, "9.3.0.100", 24,
 468                                 [VppRoutePath(self.p2p_sub_ifs[1].remote_ip4,
 469                                               self.p2p_sub_ifs[1].sw_if_index
 470                                               )])
 471         route_9300.add_vpp_config()
 472
 473         for i in range(0, 3):
 474             self.packets.append(
 475                 self.create_stream(src_mac=self.pg1.remote_mac,
 476                                    dst_mac=self.pg1.local_mac,
 477                                    src_ip=self.pg1.remote_ip4,
 478                                    dst_ip="9.%d.0.100" % (i+1)))
 479
 480         self.send_packets(self.pg1, self.pg0)
 481
 482         # route_7000.remove_vpp_config()
 483         route_9100.remove_vpp_config()
 484         route_9200.remove_vpp_config()
 485         route_9300.remove_vpp_config()
 486
 487         self.logger.info("FFP_TEST_FINISH_0005")
 488
 489     def test_ip4_tx_p2p_subif_drop(self):
 490         """drop tx ip4 packet not matching p2p subinterface"""
 491         self.logger.info("FFP_TEST_START_0006")
 492
 493         self.packets.append(
 494             self.create_stream(src_mac="02:01:00:00:ff:ff",
 495                                dst_mac=self.pg0.local_mac,
 496                                src_ip="8.0.0.100",
 497                                dst_ip="9.0.0.100"))
 498
 499         # no packet received
 500         self.send_packets(self.pg0, self.pg1, count=0)
 501         self.logger.info("FFP_TEST_FINISH_0006")
 502
 503
 504 if __name__ == '__main__':
 505     unittest.main(testRunner=VppTestRunner)