bfd: reset peer discriminator on timeout - vpp

about summary refs log tree commit diff stats
diff options
author	Klement Sekera <ksekera@cisco.com>	2020-01-17 10:01:52 +0000
committer	Damjan Marion <dmarion@me.com>	2020-01-27 19:21:50 +0000
commit	4d39f9c61c48d033ed5c9f729bdc975b58da29e8 (patch)
tree	caff60ba612ab49838b08c0317e56455ce8b91ca /test/Makefile
parent	6f090fa1fa44bb2de0565bbedb2756e37ea35040 (diff)
bfd: reset peer discriminator on timeout
More RFC compliance. Ticket: VPP-1816 BFD: peer discriminator not reset on timeout Type: fix Change-Id: I68063c18097d282b3527e3fb485c1d0d1fd1b0c8 Signed-off-by: Klement Sekera <ksekera@cisco.com>
Diffstat (limited to 'test/Makefile')
0 files changed, 0 insertions, 0 deletions
29' href='#n129'>129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934
#!/usr/bin/env python3

import binascii
import socket
import unittest

from framework import VppTestCase, VppTestRunner
from scapy.packet import Raw, Packet

from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP, TCP
from util import ppp
from template_classifier import TestClassifier, VarMask, VarMatch
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_ip import INVALID_INDEX
from vpp_papi import VppEnum


# Tests split to different test case classes because of issue reported in
# ticket VPP-1336
class TestClassifierIP(TestClassifier):
    """ Classifier IP Test Case """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierIP, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierIP, cls).tearDownClass()

    def test_iacl_src_ip(self):
        """ Source IP iACL test

        Test scenario for basic IP ACL with source IP
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with source IP address.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with source IP
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
        self.pg0.add_stream(pkts)

        key = 'ip_src'
        self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(src_ip=self.pg0.remote_ip4))
        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_dst_ip(self):
        """ Destination IP iACL test

        Test scenario for basic IP ACL with destination IP
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with destination IP address.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with destination IP
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
        self.pg0.add_stream(pkts)

        key = 'ip_dst'
        self.create_classify_table(key, self.build_ip_mask(dst_ip='ffffffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(dst_ip=self.pg1.remote_ip4))
        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_src_dst_ip(self):
        """ Source and destination IP iACL test

        Test scenario for basic IP ACL with source and destination IP
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with source and destination IP addresses.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with source and destination IP
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
        self.pg0.add_stream(pkts)

        key = 'ip'
        self.create_classify_table(
            key, self.build_ip_mask(src_ip='ffffffff', dst_ip='ffffffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(src_ip=self.pg0.remote_ip4,
                                dst_ip=self.pg1.remote_ip4))
        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")


class TestClassifierUDP(TestClassifier):
    """ Classifier UDP proto Test Case """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierUDP, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierUDP, cls).tearDownClass()

    def test_iacl_proto_udp(self):
        """ UDP protocol iACL test

        Test scenario for basic protocol ACL with UDP protocol
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with UDP IP protocol.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with UDP protocol
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes)
        self.pg0.add_stream(pkts)

        key = 'proto_udp'
        self.create_classify_table(key, self.build_ip_mask(proto='ff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_UDP))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_proto_udp_sport(self):
        """ UDP source port iACL test

        Test scenario for basic protocol ACL with UDP and sport
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with UDP IP protocol and defined sport.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with UDP and sport
        sport = 38
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  UDP(sport=sport, dport=5678))
        self.pg0.add_stream(pkts)

        key = 'proto_udp_sport'
        self.create_classify_table(
            key, self.build_ip_mask(proto='ff', src_port='ffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_UDP, src_port=sport))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_proto_udp_dport(self):
        """ UDP destination port iACL test

        Test scenario for basic protocol ACL with UDP and dport
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with UDP IP protocol and defined dport.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with UDP and dport
        dport = 427
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  UDP(sport=1234, dport=dport))
        self.pg0.add_stream(pkts)

        key = 'proto_udp_dport'
        self.create_classify_table(
            key, self.build_ip_mask(proto='ff', dst_port='ffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_UDP, dst_port=dport))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_proto_udp_sport_dport(self):
        """ UDP source and destination ports iACL test

        Test scenario for basic protocol ACL with UDP and sport and dport
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with UDP IP protocol and defined sport and dport.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with UDP and sport and dport
        sport = 13720
        dport = 9080
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  UDP(sport=sport, dport=dport))
        self.pg0.add_stream(pkts)

        key = 'proto_udp_ports'
        self.create_classify_table(
            key,
            self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_UDP, src_port=sport,
                                dst_port=dport))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")


class TestClassifierTCP(TestClassifier):
    """ Classifier TCP proto Test Case """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierTCP, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierTCP, cls).tearDownClass()

    def test_iacl_proto_tcp(self):
        """ TCP protocol iACL test

        Test scenario for basic protocol ACL with TCP protocol
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with TCP IP protocol.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with TCP protocol
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  TCP(sport=1234, dport=5678))
        self.pg0.add_stream(pkts)

        key = 'proto_tcp'
        self.create_classify_table(key, self.build_ip_mask(proto='ff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_TCP))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts, TCP)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_proto_tcp_sport(self):
        """ TCP source port iACL test

        Test scenario for basic protocol ACL with TCP and sport
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with TCP IP protocol and defined sport.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with TCP and sport
        sport = 38
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  TCP(sport=sport, dport=5678))
        self.pg0.add_stream(pkts)

        key = 'proto_tcp_sport'
        self.create_classify_table(
            key, self.build_ip_mask(proto='ff', src_port='ffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_TCP, src_port=sport))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts, TCP)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_proto_tcp_dport(self):
        """ TCP destination port iACL test

        Test scenario for basic protocol ACL with TCP and dport
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with TCP IP protocol and defined dport.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with TCP and dport
        dport = 427
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  TCP(sport=1234, dport=dport))
        self.pg0.add_stream(pkts)

        key = 'proto_tcp_sport'
        self.create_classify_table(
            key, self.build_ip_mask(proto='ff', dst_port='ffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_TCP, dst_port=dport))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts, TCP)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_proto_tcp_sport_dport(self):
        """ TCP source and destination ports iACL test

        Test scenario for basic protocol ACL with TCP and sport and dport
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create iACL with TCP IP protocol and defined sport and dport.
            - Send and verify received packets on pg1 interface.
        """

        # Basic iACL testing with TCP and sport and dport
        sport = 13720
        dport = 9080
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  TCP(sport=sport, dport=dport))
        self.pg0.add_stream(pkts)

        key = 'proto_tcp_ports'
        self.create_classify_table(
            key,
            self.build_ip_mask(proto='ff', src_port='ffff', dst_port='ffff'))
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(proto=socket.IPPROTO_TCP, src_port=sport,
                                dst_port=dport))
        self.input_acl_set_interface(
            self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts, TCP)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")


class TestClassifierIPOut(TestClassifier):
    """ Classifier output IP Test Case """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierIPOut, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierIPOut, cls).tearDownClass()

    def test_acl_ip_out(self):
        """ Output IP ACL test

        Test scenario for basic IP ACL with source IP
            - Create IPv4 stream for pg1 -> pg0 interface.
            - Create ACL with source IP address.
            - Send and verify received packets on pg0 interface.
        """

        # Basic oACL testing with source IP
        pkts = self.create_stream(self.pg1, self.pg0, self.pg_if_packet_sizes)
        self.pg1.add_stream(pkts)

        key = 'ip_out'
        self.create_classify_table(
            key, self.build_ip_mask(src_ip='ffffffff'), data_offset=0)
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(src_ip=self.pg1.remote_ip4))
        self.output_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg0.get_capture(len(pkts))
        self.verify_capture(self.pg0, pkts)
        self.pg1.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")


class TestClassifierMAC(TestClassifier):
    """ Classifier MAC Test Case """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierMAC, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierMAC, cls).tearDownClass()

    def test_acl_mac(self):
        """ MAC ACL test

        Test scenario for basic MAC ACL with source MAC
            - Create IPv4 stream for pg0 -> pg2 interface.
            - Create ACL with source MAC address.
            - Send and verify received packets on pg2 interface.
        """

        # Basic iACL testing with source MAC
        pkts = self.create_stream(self.pg0, self.pg2, self.pg_if_packet_sizes)
        self.pg0.add_stream(pkts)

        key = 'mac'
        self.create_classify_table(
            key, self.build_mac_mask(src_mac='ffffffffffff'), data_offset=-14)
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_mac_match(src_mac=self.pg0.remote_mac))
        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg2.get_capture(len(pkts))
        self.verify_capture(self.pg2, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg1.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")


class TestClassifierComplex(TestClassifier):
    """ Large & Nested Classifiers Test Cases """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierComplex, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierComplex, cls).tearDownClass()

    def test_iacl_large(self):
        """ Large input ACL test

        Test scenario for Large ACL matching on ethernet+ip+udp headers
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create large acl matching on ethernet+ip+udp header fields
            - Send and verify received packets on pg1 interface.
        """

        # 40b offset = 80bytes - (sizeof(UDP/IP/ETH) + 4b)
        # + 4b as build_ip_ma*() func, do not match against UDP Len & Chksum
        msk = VarMask(offset=40, spec='ffff')
        mth = VarMatch(offset=40, value=0x1234, length=2)

        payload_msk = self.build_payload_mask([msk])
        payload_match = self.build_payload_match([mth])

        sport = 13720
        dport = 9080

        # 36b offset = 80bytes - (sizeof(UDP/IP/ETH))
        packet_ex = bytes.fromhex(('0' * 36) + '1234')
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  UDP(sport=sport, dport=dport),
                                  packet_ex)
        self.pg0.add_stream(pkts)

        key = 'large_in'
        self.create_classify_table(
            key,
            self.build_mac_mask(src_mac='ffffffffffff',
                                dst_mac='ffffffffffff',
                                ether_type='ffff') +
            self.build_ip_mask(proto='ff',
                               src_ip='ffffffff',
                               dst_ip='ffffffff',
                               src_port='ffff',
                               dst_port='ffff') +
            payload_msk,
            data_offset=-14)

        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_mac_match(src_mac=self.pg0.remote_mac,
                                 dst_mac=self.pg0.local_mac,
                                 # ipv4 next header
                                 ether_type='0800') +
            self.build_ip_match(proto=socket.IPPROTO_UDP,
                                src_ip=self.pg0.remote_ip4,
                                dst_ip=self.pg1.remote_ip4,
                                src_port=sport,
                                dst_port=dport) +
            payload_match
        )

        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_oacl_large(self):
        """ Large output ACL test
        Test scenario for Large ACL matching on ethernet+ip+udp headers
            - Create IPv4 stream for pg1 -> pg0 interface.
            - Create large acl matching on ethernet+ip+udp header fields
            - Send and verify received packets on pg0 interface.
        """

        # 40b offset = 80bytes - (sizeof(UDP/IP/ETH) + 4b)
        # + 4b as build_ip_ma*() func, do not match against UDP Len & Chksum
        msk = VarMask(offset=40, spec='ffff')
        mth = VarMatch(offset=40, value=0x1234, length=2)

        payload_msk = self.build_payload_mask([msk])
        payload_match = self.build_payload_match([mth])

        sport = 13720
        dport = 9080

        # 36b offset = 80bytes - (sizeof(UDP/IP/ETH))
        packet_ex = bytes.fromhex(('0' * 36) + '1234')
        pkts = self.create_stream(self.pg1, self.pg0, self.pg_if_packet_sizes,
                                  UDP(sport=sport, dport=dport),
                                  packet_ex)
        self.pg1.add_stream(pkts)

        key = 'large_out'
        self.create_classify_table(
            key,
            self.build_mac_mask(src_mac='ffffffffffff',
                                dst_mac='ffffffffffff',
                                ether_type='ffff') +
            self.build_ip_mask(proto='ff',
                               src_ip='ffffffff',
                               dst_ip='ffffffff',
                               src_port='ffff',
                               dst_port='ffff') +
            payload_msk,
            data_offset=-14)

        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_mac_match(src_mac=self.pg0.local_mac,
                                 dst_mac=self.pg0.remote_mac,
                                 # ipv4 next header
                                 ether_type='0800') +
            self.build_ip_match(proto=socket.IPPROTO_UDP,
                                src_ip=self.pg1.remote_ip4,
                                dst_ip=self.pg0.remote_ip4,
                                src_port=sport,
                                dst_port=dport) +
            payload_match)

        self.output_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg0.get_capture(len(pkts))
        self.verify_capture(self.pg0, pkts)
        self.pg1.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_iacl_nested(self):
        """ Nested input ACL test

        Test scenario for Large ACL matching on ethernet+ip+udp headers
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create 1st classifier table, without any entries
            - Create nested acl matching on ethernet+ip+udp header fields
            - Send and verify received packets on pg1 interface.
        """

        sport = 13720
        dport = 9080
        pkts = self.create_stream(self.pg0, self.pg1, self.pg_if_packet_sizes,
                                  UDP(sport=sport, dport=dport))

        self.pg0.add_stream(pkts)

        subtable_key = 'subtable_in'
        self.create_classify_table(
            subtable_key,
            self.build_mac_mask(src_mac='ffffffffffff',
                                dst_mac='ffffffffffff',
                                ether_type='ffff') +
            self.build_ip_mask(proto='ff',
                               src_ip='ffffffff',
                               dst_ip='ffffffff',
                               src_port='ffff',
                               dst_port='ffff'),
            data_offset=-14)

        key = 'nested_in'
        self.create_classify_table(
            key,
            self.build_mac_mask(src_mac='ffffffffffff',
                                dst_mac='ffffffffffff',
                                ether_type='ffff') +
            self.build_ip_mask(proto='ff',
                               src_ip='ffffffff',
                               dst_ip='ffffffff',
                               src_port='ffff',
                               dst_port='ffff'),
            next_table_index=self.acl_tbl_idx.get(subtable_key))

        self.create_classify_session(
            self.acl_tbl_idx.get(subtable_key),
            self.build_mac_match(src_mac=self.pg0.remote_mac,
                                 dst_mac=self.pg0.local_mac,
                                 # ipv4 next header
                                 ether_type='0800') +
            self.build_ip_match(proto=socket.IPPROTO_UDP,
                                src_ip=self.pg0.remote_ip4,
                                dst_ip=self.pg1.remote_ip4,
                                src_port=sport,
                                dst_port=dport))

        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg1.get_capture(len(pkts))
        self.verify_capture(self.pg1, pkts)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")

    def test_oacl_nested(self):
        """ Nested output ACL test

        Test scenario for Large ACL matching on ethernet+ip+udp headers
            - Create IPv4 stream for pg1 -> pg0 interface.
            - Create 1st classifier table, without any entries
            - Create nested acl matching on ethernet+ip+udp header fields
            - Send and verify received packets on pg0 interface.
        """

        sport = 13720
        dport = 9080
        pkts = self.create_stream(self.pg1, self.pg0, self.pg_if_packet_sizes,
                                  UDP(sport=sport, dport=dport))
        self.pg1.add_stream(pkts)

        subtable_key = 'subtable_out'
        self.create_classify_table(
            subtable_key,
            self.build_mac_mask(src_mac='ffffffffffff',
                                dst_mac='ffffffffffff',
                                ether_type='ffff') +
            self.build_ip_mask(proto='ff',
                               src_ip='ffffffff',
                               dst_ip='ffffffff',
                               src_port='ffff',
                               dst_port='ffff'),
            data_offset=-14)

        key = 'nested_out'
        self.create_classify_table(
            key,
            self.build_mac_mask(src_mac='ffffffffffff',
                                dst_mac='ffffffffffff',
                                ether_type='ffff') +
            self.build_ip_mask(proto='ff',
                               src_ip='ffffffff',
                               dst_ip='ffffffff',
                               src_port='ffff',
                               dst_port='ffff'),
            next_table_index=self.acl_tbl_idx.get(subtable_key),
            data_offset=-14)

        self.create_classify_session(
            self.acl_tbl_idx.get(subtable_key),
            self.build_mac_match(src_mac=self.pg0.local_mac,
                                 dst_mac=self.pg0.remote_mac,
                                 # ipv4 next header
                                 ether_type='0800') +
            self.build_ip_match(proto=socket.IPPROTO_UDP,
                                src_ip=self.pg1.remote_ip4,
                                dst_ip=self.pg0.remote_ip4,
                                src_port=sport,
                                dst_port=dport))

        self.output_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))
        self.acl_active_table = key

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

        pkts = self.pg0.get_capture(len(pkts))
        self.verify_capture(self.pg0, pkts)
        self.pg1.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")
        self.pg3.assert_nothing_captured(remark="packets forwarded")


class TestClassifierPBR(TestClassifier):
    """ Classifier PBR Test Case """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierPBR, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierPBR, cls).tearDownClass()

    def test_acl_pbr(self):
        """ IP PBR test

        Test scenario for PBR with source IP
            - Create IPv4 stream for pg0 -> pg3 interface.
            - Configure PBR fib entry for packet forwarding.
            - Send and verify received packets on pg3 interface.
        """

        # PBR testing with source IP
        pkts = self.create_stream(self.pg0, self.pg3, self.pg_if_packet_sizes)
        self.pg0.add_stream(pkts)

        key = 'pbr'
        self.create_classify_table(key, self.build_ip_mask(src_ip='ffffffff'))
        pbr_option = 1
        # this will create the VRF/table in which we will insert the route
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(src_ip=self.pg0.remote_ip4),
            pbr_option, self.pbr_vrfid)
        self.assertTrue(self.verify_vrf(self.pbr_vrfid))
        r = VppIpRoute(self, self.pg3.local_ip4, 24,
                       [VppRoutePath(self.pg3.remote_ip4,
                                     INVALID_INDEX)],
                       table_id=self.pbr_vrfid)
        r.add_vpp_config()

        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key))

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

        pkts = self.pg3.get_capture(len(pkts))
        self.verify_capture(self.pg3, pkts)
        self.input_acl_set_interface(self.pg0, self.acl_tbl_idx.get(key), 0)
        self.pg0.assert_nothing_captured(remark="packets forwarded")
        self.pg1.assert_nothing_captured(remark="packets forwarded")
        self.pg2.assert_nothing_captured(remark="packets forwarded")

        # remove the classify session and the route
        r.remove_vpp_config()
        self.create_classify_session(
            self.acl_tbl_idx.get(key),
            self.build_ip_match(src_ip=self.pg0.remote_ip4),
            pbr_option, self.pbr_vrfid, is_add=0)

        # and the table should be gone.
        self.assertFalse(self.verify_vrf(self.pbr_vrfid))


class TestClassifierPunt(TestClassifier):
    """ Classifier punt Test Case """

    @classmethod
    def setUpClass(cls):
        super(TestClassifierPunt, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestClassifierPunt, cls).tearDownClass()

    def test_punt_udp(self):
        """ IPv4/UDP protocol punt ACL test

        Test scenario for basic punt ACL with UDP protocol
            - Create IPv4 stream for pg0 -> pg1 interface.
            - Create punt ACL with UDP IP protocol.
            - Send and verify received packets on pg1 interface.
        """

        sport = 6754
        dport = 17923

        key = 'ip4_udp_punt'
        self.create_classify_table(
            key,
            self.build_ip_mask(
                src_ip='ffffffff',
                proto='ff',
                src_port='ffff'))
        table_index = self.acl_tbl_idx.get(key)
        self.vapi.punt_acl_add_del(ip4_table_index=table_index)
        self.acl_active_table = key

        # punt udp packets to dport received on pg0 through pg1
        self.vapi.set_punt(
            is_add=1,
            punt={
                'type': VppEnum.vl_api_punt_type_t.PUNT_API_TYPE_L4,
                'punt': {
                    'l4': {
                        'af': VppEnum.vl_api_address_family_t.ADDRESS_IP4,
                        'protocol': VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP,
                        'port': dport,
                    }}})
        self.vapi.ip_punt_redirect(punt={
            'rx_sw_if_index': self.pg0.sw_if_index,
            'tx_sw_if_index': self.pg1.sw_if_index,
            'nh': self.pg1.remote_ip4,
        })

        pkts = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
                 IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
                 UDP(sport=sport, dport=dport) /
                 Raw('\x17' * 100))] * 2

        # allow a session but not matching the stream: expect to drop
        self.create_classify_session(
            table_index,
            self.build_ip_match(src_ip=self.pg0.remote_ip4,
                                proto=socket.IPPROTO_UDP, src_port=sport + 10))
        self.send_and_assert_no_replies(self.pg0, pkts)

        # allow a session matching the stream: expect to pass
        self.create_classify_session(
            table_index,
            self.build_ip_match(src_ip=self.pg0.remote_ip4,
                                proto=socket.IPPROTO_UDP, src_port=sport))
        self.send_and_expect_only(self.pg0, pkts, self.pg1)

        # test dump api: ip4 is set, ip6 is not
        r = self.vapi.punt_acl_get()
        self.assertEqual(r.ip4_table_index, table_index)
        self.assertEqual(r.ip6_table_index, 0xffffffff)

        # cleanup
        self.acl_active_table = ''
        self.vapi.punt_acl_add_del(ip4_table_index=table_index, is_add=0)

        # test dump api: nothing set
        r = self.vapi.punt_acl_get()
        self.assertEqual(r.ip4_table_index, 0xffffffff)
        self.assertEqual(r.ip6_table_index, 0xffffffff)


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

context:
space:
mode: