build: separate pkg builds from verify target - vpp

diff options
author	Dave Wallace <dwallacelf@gmail.com>	2019-07-15 12:03:51 -0400
committer	Dave Barach <openvpp@barachs.net>	2019-07-16 11:43:19 +0000
commit	7b8a30d08bffcb8c6fe7faa8d7f7dc557e175770 (patch)
tree	ba9dae4fe5d48beddfdff7487679e98b7a5872ed
parent	9082b43dd06fcd8888eebd95857ef2fb8177d475 (diff)
build: separate pkg builds from verify target
- This patch is required to eliminate the use of .../vpp/extras/vagrant/build.sh by other projects in order to build VPP packages for verification/integration testing. Type: fix Change-Id: I63e08b27b715c0d40b44e2ce7b3e9a7ebf4f514b Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
Diffstat
-rw-r--r--
Makefile
1 files changed, 3 insertions, 1 deletions
'#n178'>178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195
#!/usr/bin/env python

import unittest

from framework import VppTestCase, VppTestRunner
from vpp_object import VppObject
from vpp_neighbor import VppNeighbor
from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable

from vpp_ip import *
from vpp_mac import *
from vpp_papi_provider import L2_PORT_TYPE

from scapy.packet import Raw
from scapy.layers.l2 import Ether, ARP
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6, ICMPv6ND_NS,  ICMPv6NDOptSrcLLAddr, \
    ICMPv6ND_NA
from scapy.utils6 import in6_getnsma, in6_getnsmac

from socket import AF_INET, AF_INET6
from scapy.utils import inet_pton, inet_ntop
from util import mactobinary


def find_gbp_endpoint(test, sw_if_index, ip=None, mac=None):
    vip = VppIpAddress(ip)

    eps = test.vapi.gbp_endpoint_dump()
    for ep in eps:
        if ep.endpoint.sw_if_index != sw_if_index:
            continue
        for eip in ep.endpoint.ips:
            if vip == eip:
                return True
    return False


class VppGbpEndpoint(VppObject):
    """
    GBP Endpoint
    """

    @property
    def bin_mac(self):
        return mactobinary(self.itf.remote_mac)

    @property
    def mac(self):
        return self.itf.remote_mac

    @property
    def ip4(self):
        return self._ip4

    @property
    def fip4(self):
        return self._fip4

    @property
    def ip6(self):
        return self._ip6

    @property
    def fip6(self):
        return self._fip6

    @property
    def ips(self):
        return [self.ip4, self.ip6]

    @property
    def fips(self):
        return [self.fip4, self.fip6]

    def __init__(self, test, itf, epg, recirc, ip4, fip4, ip6, fip6):
        self._test = test
        self.itf = itf
        self.epg = epg
        self.recirc = recirc

        self._ip4 = VppIpAddress(ip4)
        self._fip4 = VppIpAddress(fip4)
        self._ip6 = VppIpAddress(ip6)
        self._fip6 = VppIpAddress(fip6)

        self.vmac = VppMacAddress(self.itf.remote_mac)

    def add_vpp_config(self):
        res = self._test.vapi.gbp_endpoint_add(
            self.itf.sw_if_index,
            [self.ip4.encode(), self.ip6.encode()],
            self.vmac.encode(),
            self.epg.epg)
        self.handle = res.handle
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        self._test.vapi.gbp_endpoint_del(self.handle)

    def __str__(self):
        return self.object_id()

    def object_id(self):
        return "gbp-endpoint;[%d:%s:%d]" % (self.itf.sw_if_index,
                                            self.ip4.address,
                                            self.epg.epg)

    def query_vpp_config(self):
        return find_gbp_endpoint(self._test,
                                 self.itf.sw_if_index,
                                 self.ip4.address)


class VppGbpRecirc(VppObject):
    """
    GBP Recirculation Interface
    """

    def __init__(self, test, epg, recirc, is_ext=False):
        self._test = test
        self.recirc = recirc
        self.epg = epg
        self.is_ext = is_ext

    def add_vpp_config(self):
        self._test.vapi.gbp_recirc_add_del(
            1,
            self.recirc.sw_if_index,
            self.epg.epg,
            self.is_ext)
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        self._test.vapi.gbp_recirc_add_del(
            0,
            self.recirc.sw_if_index,
            self.epg.epg,
            self.is_ext)

    def __str__(self):
        return self.object_id()

    def object_id(self):
        return "gbp-recirc;[%d]" % (self.recirc.sw_if_index)

    def query_vpp_config(self):
        rs = self._test.vapi.gbp_recirc_dump()
        for r in rs:
            if r.recirc.sw_if_index == self.recirc.sw_if_index:
                return True
        return False


class VppGbpSubnet(VppObject):
    """
    GBP Subnet
    """

    def __init__(self, test, table_id, address, address_len,
                 is_internal=True,
                 sw_if_index=None, epg=None):
        self._test = test
        self.table_id = table_id
        self.prefix = VppIpPrefix(address, address_len)
        self.is_internal = is_internal
        self.sw_if_index = sw_if_index
        self.epg = epg

    def add_vpp_config(self):
        self._test.vapi.gbp_subnet_add_del(
            1,
            self.table_id,
            self.is_internal,
            self.prefix.encode(),
            sw_if_index=self.sw_if_index if self.sw_if_index else 0xffffffff,
            epg_id=self.epg if self.epg else 0xffff)
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        self._test.vapi.gbp_subnet_add_del(
            0,
            self.table_id,
            self.is_internal,
            self.prefix.encode())

    def __str__(self):
        return self.object_id()

    def object_id(self):
        return "gbp-subnet;[%d-%s]" % (self.table_id,
                                       self.prefix)

    def query_vpp_config(self):
        ss = self._test.vapi.gbp_subnet_dump()
        for s in ss:
            if s.subnet.table_id == self.table_id and \
               s.subnet.prefix == self.prefix:
                return True
        return False


class VppGbpEndpointGroup(VppObject):
    """
    GBP Endpoint Group
    """

    def __init__(self, test, epg, rd, bd, uplink,
                 bvi, bvi_ip4, bvi_ip6=None):
        self._test = test
        self.uplink = uplink
        self.bvi = bvi
        self.bvi_ip4 = bvi_ip4
        self.bvi_ip4_n = inet_pton(AF_INET, bvi_ip4)
        self.bvi_ip6 = bvi_ip6
        self.bvi_ip6_n = inet_pton(AF_INET6, bvi_ip6)
        self.epg = epg
        self.bd = bd
        self.rd = rd

    def add_vpp_config(self):
        self._test.vapi.gbp_endpoint_group_add_del(
            1,
            self.epg,
            self.bd,
            self.rd,
            self.rd,
            self.uplink.sw_if_index)
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        self._test.vapi.gbp_endpoint_group_add_del(
            0,
            self.epg,
            self.bd,
            self.rd,
            self.rd,
            self.uplink.sw_if_index)

    def __str__(self):
        return self.object_id()

    def object_id(self):
        return "gbp-endpoint-group;[%d]" % (self.epg)

    def query_vpp_config(self):
        epgs = self._test.vapi.gbp_endpoint_group_dump()
        for epg in epgs:
            if epg.epg.epg_id == self.epg:
                return True
        return False


class VppGbpContract(VppObject):
    """
    GBP Contract
    """

    def __init__(self, test, src_epg, dst_epg, acl_index):
        self._test = test
        self.acl_index = acl_index
        self.src_epg = src_epg
        self.dst_epg = dst_epg

    def add_vpp_config(self):
        self._test.vapi.gbp_contract_add_del(
            1,
            self.src_epg,
            self.dst_epg,
            self.acl_index)
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        self._test.vapi.gbp_contract_add_del(
            0,
            self.src_epg,
            self.dst_epg,
            self.acl_index)

    def __str__(self):
        return self.object_id()

    def object_id(self):
        return "gbp-contract;[%d:%s:%d]" % (self.src_epg,
                                            self.dst_epg,
                                            self.acl_index)

    def query_vpp_config(self):
        cs = self._test.vapi.gbp_contract_dump()
        for c in cs:
            if c.contract.src_epg == self.src_epg \
               and c.contract.dst_epg == self.dst_epg:
                return True
        return False


class VppGbpAcl(VppObject):
    """
    GBP Acl
    """

    def __init__(self, test):
        self._test = test
        self.acl_index = 4294967295

    def create_rule(self, is_ipv6=0, permit_deny=0, proto=-1,
                    s_prefix=0, s_ip='\x00\x00\x00\x00', sport_from=0,
                    sport_to=65535, d_prefix=0, d_ip='\x00\x00\x00\x00',
                    dport_from=0, dport_to=65535):
        if proto == -1 or proto == 0:
            sport_to = 0
            dport_to = sport_to
        elif proto == 1 or proto == 58:
            sport_to = 255
            dport_to = sport_to
        rule = ({'is_permit': permit_deny, 'is_ipv6': is_ipv6, 'proto': proto,
                 'srcport_or_icmptype_first': sport_from,
                 'srcport_or_icmptype_last': sport_to,
                 'src_ip_prefix_len': s_prefix,
                 'src_ip_addr': s_ip,
                 'dstport_or_icmpcode_first': dport_from,
                 'dstport_or_icmpcode_last': dport_to,
                 'dst_ip_prefix_len': d_prefix,
                 'dst_ip_addr': d_ip})
        return rule

    def add_vpp_config(self, rules):

        reply = self._test.vapi.acl_add_replace(self.acl_index,
                                                r=rules,
                                                tag='GBPTest')
        self.acl_index = reply.acl_index
        return self.acl_index

    def remove_vpp_config(self):
        self._test.vapi.acl_del(self.acl_index)

    def __str__(self):
        return self.object_id()

    def object_id(self):
        return "gbp-acl;[%d]" % (self.acl_index)

    def query_vpp_config(self):
        cs = self._test.vapi.acl_dump()
        for c in cs:
            if c.acl_index == self.acl_index:
                return True
        return False


class TestGBP(VppTestCase):
    """ GBP Test Case """

    def setUp(self):
        super(TestGBP, self).setUp()

        self.create_pg_interfaces(range(9))
        self.create_loopback_interfaces(9)

        self.router_mac = "00:11:22:33:44:55"

        for i in self.pg_interfaces:
            i.admin_up()
        for i in self.lo_interfaces:
            i.admin_up()
            self.vapi.sw_interface_set_mac_address(
                i.sw_if_index,
                mactobinary(self.router_mac))

    def tearDown(self):
        for i in self.pg_interfaces:
            i.admin_down()

        super(TestGBP, self).tearDown()

    def send_and_expect_bridged(self, src, tx, dst):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, tx[0][Ether].src)
            self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
            self.assertEqual(r[IP].src, tx[0][IP].src)
            self.assertEqual(r[IP].dst, tx[0][IP].dst)
        return rx

    def send_and_expect_bridged6(self, src, tx, dst):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, tx[0][Ether].src)
            self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
            self.assertEqual(r[IPv6].src, tx[0][IPv6].src)
            self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst)
        return rx

    def send_and_expect_routed(self, src, tx, dst, src_mac):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, src_mac)
            self.assertEqual(r[Ether].dst, dst.remote_mac)
            self.assertEqual(r[IP].src, tx[0][IP].src)
            self.assertEqual(r[IP].dst, tx[0][IP].dst)
        return rx

    def send_and_expect_natted(self, src, tx, dst, src_ip):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, tx[0][Ether].src)
            self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
            self.assertEqual(r[IP].src, src_ip)
            self.assertEqual(r[IP].dst, tx[0][IP].dst)
        return rx

    def send_and_expect_natted6(self, src, tx, dst, src_ip):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, tx[0][Ether].src)
            self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
            self.assertEqual(r[IPv6].src, src_ip)
            self.assertEqual(r[IPv6].dst, tx[0][IPv6].dst)
        return rx

    def send_and_expect_unnatted(self, src, tx, dst, dst_ip):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, tx[0][Ether].src)
            self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
            self.assertEqual(r[IP].dst, dst_ip)
            self.assertEqual(r[IP].src, tx[0][IP].src)
        return rx

    def send_and_expect_unnatted6(self, src, tx, dst, dst_ip):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, tx[0][Ether].src)
            self.assertEqual(r[Ether].dst, tx[0][Ether].dst)
            self.assertEqual(r[IPv6].dst, dst_ip)
            self.assertEqual(r[IPv6].src, tx[0][IPv6].src)
        return rx

    def send_and_expect_double_natted(self, src, tx, dst, src_ip, dst_ip):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, self.router_mac)
            self.assertEqual(r[Ether].dst, dst.remote_mac)
            self.assertEqual(r[IP].dst, dst_ip)
            self.assertEqual(r[IP].src, src_ip)
        return rx

    def send_and_expect_double_natted6(self, src, tx, dst, src_ip, dst_ip):
        rx = self.send_and_expect(src, tx, dst)

        for r in rx:
            self.assertEqual(r[Ether].src, self.router_mac)
            self.assertEqual(r[Ether].dst, dst.remote_mac)
            self.assertEqual(r[IPv6].dst, dst_ip)
            self.assertEqual(r[IPv6].src, src_ip)
        return rx

    def test_gbp(self):
        """ Group Based Policy """

        nat_table = VppIpTable(self, 20)
        nat_table.add_vpp_config()
        nat_table = VppIpTable(self, 20, is_ip6=True)
        nat_table.add_vpp_config()

        #
        # Bridge Domains
        #
        self.vapi.bridge_domain_add_del(1, flood=1, uu_flood=1, forward=1,
                                        learn=0, arp_term=1, is_add=1)
        self.vapi.bridge_domain_add_del(2, flood=1, uu_flood=1, forward=1,
                                        learn=0, arp_term=1, is_add=1)
        self.vapi.bridge_domain_add_del(20, flood=1, uu_flood=1, forward=1,
                                        learn=0, arp_term=1, is_add=1)

        #
        # 3 EPGs, 2 of which share a BD.
        # 2 NAT EPGs, one for floating-IP subnets, the other for internet
        #
        epgs = [VppGbpEndpointGroup(self, 220, 0, 1, self.pg4,
                                    self.loop0,
                                    "10.0.0.128",
                                    "2001:10::128"),
                VppGbpEndpointGroup(self, 221, 0, 1, self.pg5,
                                    self.loop0,
                                    "10.0.1.128",
                                    "2001:10:1::128"),
                VppGbpEndpointGroup(self, 222, 0, 2, self.pg6,
                                    self.loop1,
                                    "10.0.2.128",
                                    "2001:10:2::128"),
                VppGbpEndpointGroup(self, 333, 20, 20, self.pg7,
                                    self.loop2,
                                    "11.0.0.128",
                                    "3001::128"),
                VppGbpEndpointGroup(self, 444, 20, 20, self.pg8,
                                    self.loop2,
                                    "11.0.0.129",
                                    "3001::129")]
        recircs = [VppGbpRecirc(self, epgs[0],
                                self.loop3),
                   VppGbpRecirc(self, epgs[1],
                                self.loop4),
                   VppGbpRecirc(self, epgs[2],
                                self.loop5),
                   VppGbpRecirc(self, epgs[3],
                                self.loop6, is_ext=True),
                   VppGbpRecirc(self, epgs[4],
                                self.loop8, is_ext=True)]

        epg_nat = epgs[3]
        recirc_nat = recircs[3]

        #
        # 4 end-points, 2 in the same subnet, 3 in the same BD
        #
        eps = [VppGbpEndpoint(self, self.pg0,
                              epgs[0], recircs[0],
                              "10.0.0.1", "11.0.0.1",
                              "2001:10::1", "3001::1"),
               VppGbpEndpoint(self, self.pg1,
                              epgs[0], recircs[0],
                              "10.0.0.2", "11.0.0.2",
                              "2001:10::2", "3001::2"),
               VppGbpEndpoint(self, self.pg2,
                              epgs[1], recircs[1],
                              "10.0.1.1", "11.0.0.3",
                              "2001:10:1::1", "3001::3"),
               VppGbpEndpoint(self, self.pg3,
                              epgs[2], recircs[2],
                              "10.0.2.1", "11.0.0.4",
                              "2001:10:2::1", "3001::4")]

        #
        # Config related to each of the EPGs
        #
        for epg in epgs:
            # IP config on the BVI interfaces
            if epg != epgs[1] and epg != epgs[4]:
                epg.bvi.set_table_ip4(epg.rd)
                epg.bvi.set_table_ip6(epg.rd)

                # The BVIs are NAT inside interfaces
                self.vapi.nat44_interface_add_del_feature(epg.bvi.sw_if_index,
                                                          is_inside=1,
                                                          is_add=1)
                self.vapi.nat66_add_del_interface(epg.bvi.sw_if_index,
                                                  is_inside=1,
                                                  is_add=1)

            self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index,
                                                   epg.bvi_ip4_n,
                                                   32)
            self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index,
                                                   epg.bvi_ip6_n,
                                                   128,
                                                   is_ipv6=True)

            # EPG uplink interfaces in the BD
            epg.uplink.set_table_ip4(epg.rd)
            epg.uplink.set_table_ip6(epg.rd)
            self.vapi.sw_interface_set_l2_bridge(epg.uplink.sw_if_index,
                                                 epg.bd)

            # add the BD ARP termination entry for BVI IP
            self.vapi.bd_ip_mac_add_del(bd_id=epg.bd,
                                        mac=mactobinary(self.router_mac),
                                        ip=epg.bvi_ip4_n,
                                        is_ipv6=0,
                                        is_add=1)
            self.vapi.bd_ip_mac_add_del(bd_id=epg.bd,
                                        mac=mactobinary(self.router_mac),
                                        ip=epg.bvi_ip6_n,
                                        is_ipv6=1,
                                        is_add=1)

            # epg[1] shares the same BVI to epg[0]
            if epg != epgs[1] and epg != epgs[4]:
                # BVI in BD
                self.vapi.sw_interface_set_l2_bridge(
                    epg.bvi.sw_if_index,
                    epg.bd,
                    port_type=L2_PORT_TYPE.BVI)

                # BVI L2 FIB entry
                self.vapi.l2fib_add_del(self.router_mac,
                                        epg.bd,
                                        epg.bvi.sw_if_index,
                                        is_add=1, bvi_mac=1)

            # EPG in VPP
            epg.add_vpp_config()

        for recirc in recircs:
            # EPG's ingress recirculation interface maps to its RD
            recirc.recirc.set_table_ip4(recirc.epg.rd)
            recirc.recirc.set_table_ip6(recirc.epg.rd)

            # in the bridge to allow DVR. L2 emulation to punt to L3
            self.vapi.sw_interface_set_l2_bridge(recirc.recirc.sw_if_index,
                                                 recirc.epg.bd)
            self.vapi.sw_interface_set_l2_emulation(
                recirc.recirc.sw_if_index)

            self.vapi.nat44_interface_add_del_feature(
                recirc.recirc.sw_if_index,
                is_inside=0,
                is_add=1)
            self.vapi.nat66_add_del_interface(
                recirc.recirc.sw_if_index,
                is_inside=0,
                is_add=1)

            recirc.add_vpp_config()

        ep_routes = []
        ep_arps = []
        for ep in eps:
            self.pg_enable_capture(self.pg_interfaces)
            self.pg_start()
            #
            # routes to the endpoints. We need these since there are no
            # adj-fibs due to the fact the the BVI address has /32 and
            # the subnet is not attached.
            #
            for (ip, fip) in zip(ep.ips, ep.fips):
                r = VppIpRoute(self, ip.address, ip.length,
                               [VppRoutePath(ip.address,
                                             ep.epg.bvi.sw_if_index,
                                             proto=ip.dpo_proto)],
                               is_ip6=ip.is_ip6)
                r.add_vpp_config()
                ep_routes.append(r)

                #
                # ARP entries for the endpoints
                #
                a = VppNeighbor(self,
                                ep.epg.bvi.sw_if_index,
                                ep.itf.remote_mac,
                                ip.address,
                                af=ip.af)
                a.add_vpp_config()
                ep_arps.append(a)

                # add the BD ARP termination entry
                self.vapi.bd_ip_mac_add_del(bd_id=ep.epg.bd,
                                            mac=ep.bin_mac,
                                            ip=ip.bytes,
                                            is_ipv6=ip.is_ip6,
                                            is_add=1)

                # Add static mappings for each EP from the 10/8 to 11/8 network
                if ip.af == AF_INET:
                    self.vapi.nat44_add_del_static_mapping(ip.bytes,
                                                           fip.bytes,
                                                           vrf_id=0,
                                                           addr_only=1)
                else:
                    self.vapi.nat66_add_del_static_mapping(ip.bytes,
                                                           fip.bytes,
                                                           vrf_id=0)

            # add each EP itf to the its BD
            self.vapi.sw_interface_set_l2_bridge(ep.itf.sw_if_index,
                                                 ep.epg.bd)

            # L2 FIB entry
            self.vapi.l2fib_add_del(ep.mac,
                                    ep.epg.bd,
                                    ep.itf.sw_if_index,
                                    is_add=1)

            # VPP EP create ...
            ep.add_vpp_config()

            self.logger.info(self.vapi.cli("sh gbp endpoint"))

            # ... results in a Gratuitous ARP/ND on the EPG's uplink
            rx = ep.epg.uplink.get_capture(len(ep.ips), timeout=0.2)

            for ii, ip in enumerate(ep.ips):
                p = rx[ii]

                if ip.is_ip6:
                    self.assertTrue(p.haslayer(ICMPv6ND_NA))
                    self.assertEqual(p[ICMPv6ND_NA].tgt, ip.address)
                else:
                    self.assertTrue(p.haslayer(ARP))
                    self.assertEqual(p[ARP].psrc, ip.address)
                    self.assertEqual(p[ARP].pdst, ip.address)

            # add the BD ARP termination entry for floating IP
            for fip in ep.fips:
                self.vapi.bd_ip_mac_add_del(bd_id=epg_nat.bd,
                                            mac=ep.bin_mac,
                                            ip=fip.bytes,
                                            is_ipv6=fip.is_ip6,
                                            is_add=1)

                # floating IPs route via EPG recirc
                r = VppIpRoute(self, fip.address, fip.length,
                               [VppRoutePath(fip.address,
                                             ep.recirc.recirc.sw_if_index,
                                             is_dvr=1,
                                             proto=fip.dpo_proto)],
                               table_id=20,
                               is_ip6=fip.is_ip6)
                r.add_vpp_config()
                ep_routes.append(r)

            # L2 FIB entries in the NAT EPG BD to bridge the packets from
            # the outside direct to the internal EPG
            self.vapi.l2fib_add_del(ep.mac,
                                    epg_nat.bd,
                                    ep.recirc.recirc.sw_if_index,
                                    is_add=1)

        #
        # ARP packets for unknown IP are flooded
        #
        pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff",
                         src=self.pg0.remote_mac) /
                   ARP(op="who-has",
                       hwdst="ff:ff:ff:ff:ff:ff",
                       hwsrc=self.pg0.remote_mac,
                       pdst=epgs[0].bvi_ip4,
                       psrc="10.0.0.88"))

        self.send_and_expect(self.pg0, [pkt_arp], self.pg0)

        #
        # ARP/ND packets get a response
        #
        pkt_arp = (Ether(dst="ff:ff:ff:ff:ff:ff",
                         src=self.pg0.remote_mac) /
                   ARP(op="who-has",
                       hwdst="ff:ff:ff:ff:ff:ff",
                       hwsrc=self.pg0.remote_mac,
                       pdst=epgs[0].bvi_ip4,
                       psrc=eps[0].ip4.address))

        self.send_and_expect(self.pg0, [pkt_arp], self.pg0)

        nsma = in6_getnsma(inet_pton(AF_INET6, eps[0].ip6.address))
        d = inet_ntop(AF_INET6, nsma)
        pkt_nd = (Ether(dst=in6_getnsmac(nsma)) /
                  IPv6(dst=d, src=eps[0].ip6.address) /
                  ICMPv6ND_NS(tgt=epgs[0].bvi_ip6) /
                  ICMPv6NDOptSrcLLAddr(lladdr=self.pg0.remote_mac))
        self.send_and_expect(self.pg0, [pkt_nd], self.pg0)

        #
        # broadcast packets are flooded
        #
        pkt_bcast = (Ether(dst="ff:ff:ff:ff:ff:ff",
                           src=self.pg0.remote_mac) /
                     IP(src=eps[0].ip4.address, dst="232.1.1.1") /
                     UDP(sport=1234, dport=1234) /
                     Raw('\xa5' * 100))

        self.vapi.cli("clear trace")
        self.pg0.add_stream(pkt_bcast)

        self.pg_enable_capture(self.pg_interfaces)
        self.pg_start()

        rxd = eps[1].itf.get_capture(1)
        self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst)
        rxd = epgs[0].uplink.get_capture(1)
        self.assertEqual(rxd[0][Ether].dst, pkt_bcast[Ether].dst)

        #
        # packets to non-local L3 destinations dropped
        #
        pkt_intra_epg_220_ip4 = (Ether(src=self.pg0.remote_mac,
                                       dst=self.router_mac) /
                                 IP(src=eps[0].ip4.address,
                                    dst="10.0.0.99") /
                                 UDP(sport=1234, dport=1234) /
                                 Raw('\xa5' * 100))
        pkt_inter_epg_222_ip4 = (Ether(src=self.pg0.remote_mac,
                                       dst=self.router_mac) /
                                 IP(src=eps[0].ip4.address,
                                    dst="10.0.1.99") /
                                 UDP(sport=1234, dport=1234) /
                                 Raw('\xa5' * 100))

        self.send_and_assert_no_replies(self.pg0, pkt_intra_epg_220_ip4 * 65)

        pkt_inter_epg_222_ip6 = (Ether(src=self.pg0.remote_mac,
                                       dst=self.router_mac) /
                                 IPv6(src=eps[0].ip6.address,
                                      dst="2001:10::99") /
                                 UDP(sport=1234, dport=1234) /
                                 Raw('\xa5' * 100))
        self.send_and_assert_no_replies(self.pg0, pkt_inter_epg_222_ip6 * 65)

        #
        # Add the subnet routes
        #
        s41 = VppGbpSubnet(self, 0, "10.0.0.0", 24)
        s42 = VppGbpSubnet(self, 0, "10.0.1.0", 24)
        s43 = VppGbpSubnet(self, 0, "10.0.2.0", 24)
        s41.add_vpp_config()
        s42.add_vpp_config()
        s43.add_vpp_config()
        s61 = VppGbpSubnet(self, 0, "2001:10::1", 64)
        s62 = VppGbpSubnet(self, 0, "2001:10:1::1", 64)
        s63 = VppGbpSubnet(self, 0, "2001:10:2::1", 64)
        s61.add_vpp_config()
        s62.add_vpp_config()
        s63.add_vpp_config()

        self.send_and_expect_bridged(self.pg0,
                                     pkt_intra_epg_220_ip4 * 65,
                                     self.pg4)
        self.send_and_expect_bridged(self.pg3,
                                     pkt_inter_epg_222_ip4 * 65,
                                     self.pg6)
        self.send_and_expect_bridged6(self.pg3,
                                      pkt_inter_epg_222_ip6 * 65,
                                      self.pg6)

        self.logger.info(self.vapi.cli("sh ip fib 11.0.0.2"))
        self.logger.info(self.vapi.cli("sh gbp endpoint-group"))
        self.logger.info(self.vapi.cli("sh gbp endpoint"))
        self.logger.info(self.vapi.cli("sh gbp recirc"))
        self.logger.info(self.vapi.cli("sh int"))
        self.logger.info(self.vapi.cli("sh int addr"))
        self.logger.info(self.vapi.cli("sh int feat loop6"))
        self.logger.info(self.vapi.cli("sh vlib graph ip4-gbp-src-classify"))
        self.logger.info(self.vapi.cli("sh int feat loop3"))

        #
        # Packet destined to unknown unicast is sent on the epg uplink ...
        #
        pkt_intra_epg_220_to_uplink = (Ether(src=self.pg0.remote_mac,
                                             dst="00:00:00:33:44:55") /
                                       IP(src=eps[0].ip4.address,
                                          dst="10.0.0.99") /
                                       UDP(sport=1234, dport=1234) /
                                       Raw('\xa5' * 100))

        self.send_and_expect_bridged(self.pg0,
                                     pkt_intra_epg_220_to_uplink * 65,
                                     self.pg4)
        # ... and nowhere else
        self.pg1.get_capture(0, timeout=0.1)
        self.pg1.assert_nothing_captured(remark="Flood onto other VMS")

        pkt_intra_epg_221_to_uplink = (Ether(src=self.pg2.remote_mac,
                                             dst="00:00:00:33:44:66") /
                                       IP(src=eps[0].ip4.address,
                                          dst="10.0.0.99") /
                                       UDP(sport=1234, dport=1234) /
                                       Raw('\xa5' * 100))

        self.send_and_expect_bridged(self.pg2,
                                     pkt_intra_epg_221_to_uplink * 65,
                                     self.pg5)

        #
        # Packets from the uplink are forwarded in the absence of a contract
        #
        pkt_intra_epg_220_from_uplink = (Ether(src="00:00:00:33:44:55",
                                               dst=self.pg0.remote_mac) /
                                         IP(src=eps[0].ip4.address,
                                            dst="10.0.0.99") /
                                         UDP(sport=1234, dport=1234) /
                                         Raw('\xa5' * 100))

        self.send_and_expect_bridged(self.pg4,
                                     pkt_intra_epg_220_from_uplink * 65,
                                     self.pg0)

        #
        # in the absence of policy, endpoints in the same EPG
        # can communicate
        #
        pkt_intra_epg = (Ether(src=self.pg0.remote_mac,
                               dst=self.pg1.remote_mac) /
                         IP(src=eps[0].ip4.address,
                            dst=eps[1].ip4.address) /
                         UDP(sport=1234, dport=1234) /
                         Raw('\xa5' * 100))

        self.send_and_expect_bridged(self.pg0, pkt_intra_epg * 65, self.pg1)

        #
        # in the abscense of policy, endpoints in the different EPG
        # cannot communicate
        #
        pkt_inter_epg_220_to_221 = (Ether(src=self.pg0.remote_mac,
                                          dst=self.pg2.remote_mac) /
                                    IP(src=eps[0].ip4.address,
                                       dst=eps[2].ip4.address) /
                                    UDP(sport=1234, dport=1234) /
                                    Raw('\xa5' * 100))
        pkt_inter_epg_221_to_220 = (Ether(src=self.pg2.remote_mac,
                                          dst=self.pg0.remote_mac) /
                                    IP(src=eps[2].ip4.address,
                                       dst=eps[0].ip4.address) /
                                    UDP(sport=1234, dport=1234) /
                                    Raw('\xa5' * 100))
        pkt_inter_epg_220_to_222 = (Ether(src=self.pg0.remote_mac,
                                          dst=self.router_mac) /
                                    IP(src=eps[0].ip4.address,
                                       dst=eps[3].ip4.address) /
                                    UDP(sport=1234, dport=1234) /
                                    Raw('\xa5' * 100))

        self.send_and_assert_no_replies(self.pg0,
                                        pkt_inter_epg_220_to_221 * 65)
        self.send_and_assert_no_replies(self.pg0,
                                        pkt_inter_epg_220_to_222 * 65)

        #
        # A uni-directional contract from EPG 220 -> 221
        #
        acl = VppGbpAcl(self)
        rule = acl.create_rule(permit_deny=1, proto=17)
        rule2 = acl.create_rule(is_ipv6=1, permit_deny=1, proto=17)
        acl_index = acl.add_vpp_config([rule, rule2])
        c1 = VppGbpContract(self, 220, 221, acl_index)
        c1.add_vpp_config()

        self.send_and_expect_bridged(self.pg0,
                                     pkt_inter_epg_220_to_221 * 65,
                                     self.pg2)
        self.send_and_assert_no_replies(self.pg0,
                                        pkt_inter_epg_220_to_222 * 65)

        #
        # contract for the return direction
        #
        c2 = VppGbpContract(self, 221, 220, acl_index)
        c2.add_vpp_config()

        self.send_and_expect_bridged(self.pg0,
                                     pkt_inter_epg_220_to_221 * 65,
                                     self.pg2)
        self.send_and_expect_bridged(self.pg2,
                                     pkt_inter_epg_221_to_220 * 65,
                                     self.pg0)

        #
        # check that inter group is still disabled for the groups
        # not in the contract.
        #
        self.send_and_assert_no_replies(self.pg0,
                                        pkt_inter_epg_220_to_222 * 65)

        #
        # A uni-directional contract from EPG 220 -> 222 'L3 routed'
        #
        c3 = VppGbpContract(self, 220, 222, acl_index)
        c3.add_vpp_config()

        self.logger.info(self.vapi.cli("sh gbp contract"))

        self.send_and_expect_routed(self.pg0,
                                    pkt_inter_epg_220_to_222 * 65,
                                    self.pg3,
                                    self.router_mac)

        #
        # remove both contracts, traffic stops in both directions
        #
        c2.remove_vpp_config()
        c1.remove_vpp_config()
        c3.remove_vpp_config()
        acl.remove_vpp_config()

        self.send_and_assert_no_replies(self.pg2,
                                        pkt_inter_epg_221_to_220 * 65)
        self.send_and_assert_no_replies(self.pg0,
                                        pkt_inter_epg_220_to_221 * 65)
        self.send_and_expect_bridged(self.pg0, pkt_intra_epg * 65, self.pg1)

        #
        # EPs to the outside world
        #

        # in the EP's RD an external subnet via the NAT EPG's recirc
        se1 = VppGbpSubnet(self, 0, "0.0.0.0", 0,
                           is_internal=False,
                           sw_if_index=recirc_nat.recirc.sw_if_index,
                           epg=epg_nat.epg)
        se1.add_vpp_config()
        se2 = VppGbpSubnet(self, 0, "11.0.0.0", 8,
                           is_internal=False,
                           sw_if_index=recirc_nat.recirc.sw_if_index,
                           epg=epg_nat.epg)
        se2.add_vpp_config()
        se16 = VppGbpSubnet(self, 0, "::", 0,
                            is_internal=False,
                            sw_if_index=recirc_nat.recirc.sw_if_index,
                            epg=epg_nat.epg)
        se16.add_vpp_config()
        # in the NAT RD an external subnet via the NAT EPG's uplink
        se3 = VppGbpSubnet(self, 20, "0.0.0.0", 0,
                           is_internal=False,
                           sw_if_index=epg_nat.uplink.sw_if_index,
                           epg=epg_nat.epg)
        se36 = VppGbpSubnet(self, 20, "::", 0,
                            is_internal=False,
                            sw_if_index=epg_nat.uplink.sw_if_index,
                            epg=epg_nat.epg)
        se4 = VppGbpSubnet(self, 20, "11.0.0.0", 8,
                           is_internal=False,
                           sw_if_index=epg_nat.uplink.sw_if_index,
                           epg=epg_nat.epg)
        se3.add_vpp_config()
        se36.add_vpp_config()
        se4.add_vpp_config()

        self.logger.info(self.vapi.cli("sh ip fib 0.0.0.0/0"))
        self.logger.info(self.vapi.cli("sh ip fib 11.0.0.1"))
        self.logger.info(self.vapi.cli("sh ip6 fib ::/0"))
        self.logger.info(self.vapi.cli("sh ip6 fib %s" %
                                       eps[0].fip6))

        #
        # From an EP to an outside addess: IN2OUT
        #
        pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac,
                                             dst=self.router_mac) /
                                       IP(src=eps[0].ip4.address,
                                          dst="1.1.1.1") /
                                       UDP(sport=1234, dport=1234) /
                                       Raw('\xa5' * 100))

        # no policy yet
        self.send_and_assert_no_replies(self.pg0,
                                        pkt_inter_epg_220_to_global * 65)

        acl2 = VppGbpAcl(self)
        rule = acl2.create_rule(permit_deny=1, proto=17, sport_from=1234,
                                sport_to=1234, dport_from=1234, dport_to=1234)
        rule2 = acl2.create_rule(is_ipv6=1, permit_deny=1, proto=17,
                                 sport_from=1234, sport_to=1234,
                                 dport_from=1234, dport_to=1234)

        acl_index2 = acl2.add_vpp_config([rule, rule2])
        c4 = VppGbpContract(self, 220, 333, acl_index2)
        c4.add_vpp_config()

        self.send_and_expect_natted(self.pg0,
                                    pkt_inter_epg_220_to_global * 65,
                                    self.pg7,
                                    eps[0].fip4.address)

        pkt_inter_epg_220_to_global = (Ether(src=self.pg0.remote_mac,
                                             dst=self.router_mac) /
                                       IPv6(src=eps[0].ip6.address,
                                            dst="6001::1") /
                                       UDP(sport=1234, dport=1234) /
                                       Raw('\xa5' * 100))

        self.send_and_expect_natted6(self.pg0,
                                     pkt_inter_epg_220_to_global * 65,
                                     self.pg7,
                                     eps[0].fip6.address)

        #
        # From a global address to an EP: OUT2IN
        #
        pkt_inter_epg_220_from_global = (Ether(src=self.router_mac,
                                               dst=self.pg0.remote_mac) /
                                         IP(dst=eps[0].fip4.address,
                                            src="1.1.1.1") /
                                         UDP(sport=1234, dport=1234) /
                                         Raw('\xa5' * 100))

        self.send_and_assert_no_replies(self.pg7,
                                        pkt_inter_epg_220_from_global * 65)

        c5 = VppGbpContract(self, 333, 220, acl_index2)
        c5.add_vpp_config()

        self.send_and_expect_unnatted(self.pg7,
                                      pkt_inter_epg_220_from_global * 65,
                                      eps[0].itf,
                                      eps[0].ip4.address)

        pkt_inter_epg_220_from_global = (Ether(src=self.router_mac,
                                               dst=self.pg0.remote_mac) /
                                         IPv6(dst=eps[0].fip6.address,
                                              src="6001::1") /
                                         UDP(sport=1234, dport=1234) /
                                         Raw('\xa5' * 100))

        self.send_and_expect_unnatted6(self.pg7,
                                       pkt_inter_epg_220_from_global * 65,
                                       eps[0].itf,
                                       eps[0].ip6.address)

        #
        # From a local VM to another local VM using resp. public addresses:
        #  IN2OUT2IN
        #
        pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac,
                                          dst=self.router_mac) /
                                    IP(src=eps[0].ip4.address,
                                       dst=eps[1].fip4.address) /
                                    UDP(sport=1234, dport=1234) /
                                    Raw('\xa5' * 100))

        self.send_and_expect_double_natted(eps[0].itf,
                                           pkt_intra_epg_220_global * 65,
                                           eps[1].itf,
                                           eps[0].fip4.address,
                                           eps[1].ip4.address)

        pkt_intra_epg_220_global = (Ether(src=self.pg0.remote_mac,
                                          dst=self.router_mac) /
                                    IPv6(src=eps[0].ip6.address,
                                         dst=eps[1].fip6.address) /
                                    UDP(sport=1234, dport=1234) /
                                    Raw('\xa5' * 100))

        self.send_and_expect_double_natted6(eps[0].itf,
                                            pkt_intra_epg_220_global * 65,
                                            eps[1].itf,
                                            eps[0].fip6.address,
                                            eps[1].ip6.address)

        #
        # cleanup
        #
        for ep in eps:
            # del static mappings for each EP from the 10/8 to 11/8 network
            self.vapi.nat44_add_del_static_mapping(ep.ip4.bytes,
                                                   ep.fip4.bytes,
                                                   vrf_id=0,
                                                   addr_only=1,
                                                   is_add=0)
            self.vapi.nat66_add_del_static_mapping(ep.ip6.bytes,
                                                   ep.fip6.bytes,
                                                   vrf_id=0,
                                                   is_add=0)

        for epg in epgs:
            # IP config on the BVI interfaces
            self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index,
                                                   epg.bvi_ip4_n,
                                                   32,
                                                   is_add=0)
            self.vapi.sw_interface_add_del_address(epg.bvi.sw_if_index,
                                                   epg.bvi_ip6_n,
                                                   128,
                                                   is_add=0,
                                                   is_ipv6=True)
            self.logger.info(self.vapi.cli("sh int addr"))

            epg.uplink.set_table_ip4(0)
            epg.uplink.set_table_ip6(0)

            if epg != epgs[0] and epg != epgs[3]:
                epg.bvi.set_table_ip4(0)
                epg.bvi.set_table_ip6(0)

                self.vapi.nat44_interface_add_del_feature(epg.bvi.sw_if_index,
                                                          is_inside=1,
                                                          is_add=0)
                self.vapi.nat66_add_del_interface(epg.bvi.sw_if_index,
                                                  is_inside=1,
                                                  is_add=0)

        for recirc in recircs:
            recirc.recirc.set_table_ip4(0)
            recirc.recirc.set_table_ip6(0)

            self.vapi.nat44_interface_add_del_feature(
                recirc.recirc.sw_if_index,
                is_inside=0,
                is_add=0)
            self.vapi.nat66_add_del_interface(
                recirc.recirc.sw_if_index,
                is_inside=0,
                is_add=0)


if __name__ == '__main__':
    unittest.main(testRunner=VppTestRunner)

context:
space:
mode: