aboutsummaryrefslogtreecommitdiffstats
path: root/src/vcl/ldp.c
diff options
context:
space:
mode:
authorNeale Ranns <nranns@cisco.com>2018-07-16 04:14:21 -0700
committerDamjan Marion <dmarion@me.com>2018-07-20 09:32:52 +0000
commit0809f6c0300f85cf5cf5d49df1aa8f1e2d080f6c (patch)
treeb86838680e4ed002f41df5831b7313efc831193e /src/vcl/ldp.c
parentc34b2e0f7cf891d8a5ecb91a6a2fb067cf33b3af (diff)
QoS: marking and recording for MPLS and VLAN
Change-Id: Icec79aa9039d5d7835d311fde0b7c1a0c76c9eb1 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vcl/ldp.c')
0 files changed, 0 insertions, 0 deletions
'#n131'>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 
import socket
import unittest
import ipaddress

from util import ppp
from framework import VppTestRunner
from template_ipsec import IPSecIPv4Fwd
from template_ipsec import IPSecIPv6Fwd
from test_ipsec_esp import TemplateIpsecEsp


def debug_signal_handler(signal, frame):
    import pdb

    pdb.set_trace()


import signal

signal.signal(signal.SIGINT, debug_signal_handler)


class SpdFastPathInbound(IPSecIPv4Fwd):
    # In test cases derived from this class, packets in IPv4 FWD path
    # are configured to go through IPSec inbound SPD policy lookup.
    # Note that order in which the rules are applied is
    # PROTECT, BYPASS, DISCARD. Therefore BYPASS rules take
    # precedence over DISCARD.
    #
    # Override setUpConstants to enable inbound fast path in config
    @classmethod
    def setUpConstants(cls):
        super(SpdFastPathInbound, cls).setUpConstants()
        cls.vpp_cmdline.extend(["ipsec", "{", "ipv4-inbound-spd-fast-path on", "}"])
        cls.logger.info("VPP modified cmdline is %s" % " ".join(cls.vpp_cmdline))


class SpdFastPathInboundProtect(TemplateIpsecEsp):
    @classmethod
    def setUpConstants(cls):
        super(SpdFastPathInboundProtect, cls).setUpConstants()
        cls.vpp_cmdline.extend(["ipsec", "{", "ipv4-inbound-spd-fast-path on", "}"])
        cls.logger.info("VPP modified cmdline is %s" % " ".join(cls.vpp_cmdline))

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

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

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

    def tearDown(self):
        self.unconfig_network()
        super(SpdFastPathInboundProtect, self).tearDown()


class SpdFastPathIPv6Inbound(IPSecIPv6Fwd):
    # In test cases derived from this class, packets in IPvr6 FWD path
    # are configured to go through IPSec inbound SPD policy lookup.
    # Note that order in which the rules are applied is
    # PROTECT, BYPASS, DISCARD. Therefore BYPASS rules take
    # precedence over DISCARDi.

    # Override setUpConstants to enable inbound fast path in config
    @classmethod
    def setUpConstants(cls):
        super(SpdFastPathIPv6Inbound, cls).setUpConstants()
        cls.vpp_cmdline.extend(["ipsec", "{", "ipv6-inbound-spd-fast-path on", "}"])
        cls.logger.info("VPP modified cmdline is %s" % " ".join(cls.vpp_cmdline))


class SpdFastPathIPv6InboundProtect(TemplateIpsecEsp):
    @classmethod
    def setUpConstants(cls):
        super(SpdFastPathIPv6InboundProtect, cls).setUpConstants()
        cls.vpp_cmdline.extend(["ipsec", "{", "ipv6-inbound-spd-fast-path on", "}"])
        cls.logger.info("VPP modified cmdline is %s" % " ".join(cls.vpp_cmdline))

    @classmethod
    def setUpClass(cls):
        super(SpdFastPathIPv6InboundProtect, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(SpdFastPathIPv6InboundProtect, cls).tearDownClass()

    def setUp(self):
        super(SpdFastPathIPv6InboundProtect, self).setUp()

    def tearDown(self):
        self.unconfig_network()
        super(SpdFastPathIPv6InboundProtect, self).tearDown()


class IPSec4SpdTestCaseBypass(SpdFastPathInbound):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
        (add bypass)"""

    def test_ipsec_spd_inbound_bypass(self):
        # In this test case, packets in IPv4 FWD path are configured
        # to go through IPSec inbound SPD policy lookup.
        #
        # 2 inbound SPD rules (1 HIGH and 1 LOW) are added.
        # - High priority rule action is set to DISCARD.
        # - Low priority rule action is set to BYPASS.
        #
        # Since BYPASS rules take precedence over DISCARD
        # (the order being PROTECT, BYPASS, DISCARD) we expect the
        # BYPASS rule to match and traffic to be correctly forwarded.
        self.create_interfaces(2)
        pkt_count = 5

        self.spd_create_and_intf_add(1, [self.pg1, self.pg0])

        # create input rules
        # bypass rule should take precedence over discard rule,
        # even though it's lower priority, because for input policies
        # matching PROTECT policies precedes matching BYPASS policies
        # which preceeds matching for DISCARD policies.
        # Any hit stops the process.
        policy_0 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
            ip_range=True,
            local_ip_start=self.pg1.remote_ip4,
            local_ip_stop=self.pg1.remote_ip4,
            remote_ip_start=self.pg0.remote_ip4,
            remote_ip_stop=self.pg0.remote_ip4,
        )
        policy_1 = self.spd_add_rem_policy(  # inbound, priority 15
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=15,
            policy_type="discard",
            ip_range=True,
            local_ip_start=self.pg1.remote_ip4,
            local_ip_stop=self.pg1.remote_ip4,
            remote_ip_start=self.pg0.remote_ip4,
            remote_ip_stop=self.pg0.remote_ip4,
        )

        # create output rule so we can capture forwarded packets
        policy_2 = self.spd_add_rem_policy(  # outbound, priority 10
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=1,
            priority=10,
            policy_type="bypass",
        )

        # create the packet stream
        packets = self.create_stream(self.pg0, self.pg1, pkt_count)
        # add the stream to the source interface
        self.pg0.add_stream(packets)
        self.pg1.enable_capture()
        self.pg_start()

        # check capture on pg1
        capture = self.pg1.get_capture()
        for packet in capture:
            try:
                self.logger.debug(ppp("SPD Add - Got packet:", packet))
            except Exception:
                self.logger.error(ppp("Unexpected or invalid packet:", packet))
                raise
        self.logger.debug("SPD: Num packets: %s", len(capture.res))

        # verify captured packets
        self.verify_capture(self.pg0, self.pg1, capture)
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(0, policy_1)
        self.verify_policy_match(pkt_count, policy_2)


class IPSec4SpdTestCaseDiscard(SpdFastPathInbound):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
            (add discard)"""

    def test_ipsec_spd_inbound_discard(self):
        # In this test case, packets in IPv4 FWD path are configured
        # to go through IPSec inbound SPD policy lookup.
        #
        #  Rule action is set to DISCARD.

        self.create_interfaces(2)
        pkt_count = 5

        self.spd_create_and_intf_add(1, [self.pg1, self.pg0])

        # create input rules
        # bypass rule should take precedence over discard rule,
        # even though it's lower priority
        policy_0 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="discard",
        )

        # create output rule so we can capture forwarded packets
        policy_1 = self.spd_add_rem_policy(  # outbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=1,
            priority=10,
            policy_type="bypass",
        )

        # create the packet stream
        packets = self.create_stream(self.pg0, self.pg1, pkt_count)
        # add the stream to the source interface
        self.pg0.add_stream(packets)
        self.pg1.enable_capture()
        self.pg_start()

        # check capture on pg1
        capture = self.pg1.assert_nothing_captured()

        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(0, policy_1)


class IPSec4SpdTestCaseProtect(SpdFastPathInboundProtect):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
    (add protect)"""

    @classmethod
    def setUpClass(cls):
        super(IPSec4SpdTestCaseProtect, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(IPSec4SpdTestCaseProtect, cls).tearDownClass()

    def setUp(self):
        super(IPSec4SpdTestCaseProtect, self).setUp()

    def tearDown(self):
        super(IPSec4SpdTestCaseProtect, self).tearDown()

    def test_ipsec_spd_inbound_protect(self):
        # In this test case, encrypted packets in IPv4
        # PROTECT path are configured
        # to go through IPSec inbound SPD policy lookup.

        pkt_count = 5
        payload_size = 64
        p = self.params[socket.AF_INET]
        send_pkts = self.gen_encrypt_pkts(
            p,
            p.scapy_tra_sa,
            self.tra_if,
            src=self.tra_if.remote_ip4,
            dst=self.tra_if.local_ip4,
            count=pkt_count,
            payload_size=payload_size,
        )
        recv_pkts = self.send_and_expect(self.tra_if, send_pkts, self.tra_if)

        self.logger.info(self.vapi.ppcli("show error"))
        self.logger.info(self.vapi.ppcli("show ipsec all"))

        pkts = p.tra_sa_in.get_stats()["packets"]
        self.assertEqual(
            pkts,
            pkt_count,
            "incorrect SA in counts: expected %d != %d" % (pkt_count, pkts),
        )
        pkts = p.tra_sa_out.get_stats()["packets"]
        self.assertEqual(
            pkts,
            pkt_count,
            "incorrect SA out counts: expected %d != %d" % (pkt_count, pkts),
        )
        self.assertEqual(p.tra_sa_out.get_lost(), 0)
        self.assertEqual(p.tra_sa_in.get_lost(), 0)


class IPSec4SpdTestCaseAddIPRange(SpdFastPathInbound):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
        (add  ips  range with any port rule)"""

    def test_ipsec_spd_inbound_add(self):
        # In this test case, packets in IPv4 FWD path are configured
        # to go through IPSec inbound SPD policy lookup.
        # 2 SPD bypass rules (1 for inbound and 1 for outbound) are added.
        # Traffic sent on pg0 interface should match fast path priority
        # rule and should be sent out on pg1 interface.
        self.create_interfaces(2)
        pkt_count = 5
        s_ip_s1 = ipaddress.ip_address(self.pg0.remote_ip4)
        s_ip_e1 = ipaddress.ip_address(int(s_ip_s1) + 5)
        d_ip_s1 = ipaddress.ip_address(self.pg1.remote_ip4)
        d_ip_e1 = ipaddress.ip_address(int(d_ip_s1) + 0)

        s_ip_s0 = ipaddress.ip_address(self.pg0.remote_ip4)
        s_ip_e0 = ipaddress.ip_address(int(s_ip_s0) + 6)
        d_ip_s0 = ipaddress.ip_address(self.pg1.remote_ip4)
        d_ip_e0 = ipaddress.ip_address(int(d_ip_s0) + 0)
        self.spd_create_and_intf_add(1, [self.pg1, self.pg0])

        policy_0 = self.spd_add_rem_policy(  # inbound fast path, priority 10
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
            ip_range=True,
            local_ip_start=d_ip_s0,
            local_ip_stop=d_ip_e0,
            remote_ip_start=s_ip_s0,
            remote_ip_stop=s_ip_e0,
        )
        policy_1 = self.spd_add_rem_policy(  # outbound, priority 5
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=1,
            priority=5,
            policy_type="bypass",
            ip_range=True,
            local_ip_start=s_ip_s1,
            local_ip_stop=s_ip_e1,
            remote_ip_start=d_ip_s1,
            remote_ip_stop=d_ip_e1,
        )

        # create the packet stream
        packets = self.create_stream(self.pg0, self.pg1, pkt_count)
        # add the stream to the source interface + enable capture
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()
        self.pg1.enable_capture()
        # start the packet generator
        self.pg_start()
        # get capture
        capture = self.pg1.get_capture()
        for packet in capture:
            try:
                self.logger.debug(ppp("SPD - Got packet:", packet))
            except Exception:
                self.logger.error(ppp("Unexpected or invalid packet:", packet))
                raise
        self.logger.debug("SPD: Num packets: %s", len(capture.res))

        # assert nothing captured on pg0
        self.pg0.assert_nothing_captured()
        # verify captured packets
        self.verify_capture(self.pg0, self.pg1, capture)
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(pkt_count, policy_1)


class IPSec4SpdTestCaseAddAll(SpdFastPathInbound):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
        (add all ips ports rule)"""

    def test_ipsec_spd_inbound_add(self):
        # In this test case, packets in IPv4 FWD path are configured
        # to go through IPSec inbound SPD policy lookup.
        # 2 SPD rules (1 HIGH and 1 LOW) are added.
        # Low priority rule action is set to BYPASS all ips.
        # High priority rule action is set to DISCARD all ips.
        # Traffic not sent on pg0 interface when HIGH discard priority rule is added.
        # Then LOW priority
        # rule is added and send the same traffic to pg0, this time expect
        # the traffic is bypassed as bypass takes priority over discard.
        self.create_interfaces(2)
        pkt_count = 5
        self.spd_create_and_intf_add(1, [self.pg0, self.pg1])

        policy_0 = self.spd_add_rem_policy(  # inbound, priority 20
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=20,
            policy_type="discard",
            all_ips=True,
        )

        policy_1 = self.spd_add_rem_policy(  # inbound, priority 20
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=True,
            priority=5,
            policy_type="bypass",
            all_ips=True,
        )

        # create the packet stream
        packets = self.create_stream(self.pg0, self.pg1, pkt_count)
        # add the stream to the source interface + enable capture
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()
        self.pg1.enable_capture()
        # start the packet generator
        self.pg_start()
        # assert nothing captured on pg0 and pg1
        self.pg0.assert_nothing_captured()
        self.pg1.assert_nothing_captured()

        policy_2 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
            all_ips=True,
        )

        # create the packet stream
        packets = self.create_stream(self.pg0, self.pg1, pkt_count)
        # add the stream to the source interface + enable capture
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()
        self.pg1.enable_capture()
        # start the packet generator
        self.pg_start()
        # get capture
        capture = self.pg1.get_capture(expected_count=pkt_count)
        for packet in capture:
            try:
                self.logger.debug(ppp("SPD - Got packet:", packet))
            except Exception:
                self.logger.error(ppp("Unexpected or invalid packet:", packet))
                raise
        self.logger.debug("SPD: Num packets: %s", len(capture.res))

        # assert nothing captured on pg0
        self.pg0.assert_nothing_captured()
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_2)


class IPSec4SpdTestCaseRemove(SpdFastPathInbound):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
        (remove rule)"""

    def test_ipsec_spd_inbound_remove(self):
        # In this test case, packets in IPv4 FWD path are configured
        # to go through IPSec inbound SPD policy lookup.
        # 2 SPD rules (1 HIGH and 1 LOW) are added.
        # High priority rule action is set to BYPASS.
        # Low priority rule action is set to DISCARD.
        # High priority rule is then removed.
        # Traffic sent on pg0 interface should match low priority
        # rule and should be discarded after SPD lookup.
        self.create_interfaces(2)
        pkt_count = 5
        self.spd_create_and_intf_add(1, [self.pg0, self.pg1])
        policy_0 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
        )
        policy_1 = self.spd_add_rem_policy(  # inbound, priority 5
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=5,
            policy_type="discard",
        )

        policy_out = self.spd_add_rem_policy(  # outbound, priority 10
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=1,
            priority=10,
            policy_type="bypass",
        )

        # create the packet stream
        packets = self.create_stream(self.pg0, self.pg1, pkt_count)
        # add the stream to the source interface + enable capture
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()
        self.pg1.enable_capture()
        # start the packet generator
        self.pg_start()
        # get capture
        capture = self.pg1.get_capture()
        for packet in capture:
            try:
                self.logger.debug(ppp("SPD - Got packet:", packet))
            except Exception:
                self.logger.error(ppp("Unexpected or invalid packet:", packet))
                raise

        # assert nothing captured on pg0
        self.pg0.assert_nothing_captured()
        # verify capture on pg1
        self.logger.debug("SPD: Num packets: %s", len(capture.res))
        self.verify_capture(self.pg0, self.pg1, capture)
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(0, policy_1)
        # now remove the bypass rule
        self.spd_add_rem_policy(  # outbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
            remove=True,
        )

        # resend the same packets
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()  # flush the old captures
        self.pg1.enable_capture()
        self.pg_start()
        # assert nothing captured on pg0
        self.pg0.assert_nothing_captured()
        # all packets will be dropped by SPD rule
        self.pg1.assert_nothing_captured()
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(pkt_count, policy_1)


class IPSec4SpdTestCaseReadd(SpdFastPathInbound):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
        (add, remove, re-add)"""

    def test_ipsec_spd_inbound_readd(self):
        # In this test case, packets in IPv4 FWD path are configured
        # to go through IPSec outbound SPD policy lookup.
        # 2 SPD rules (1 HIGH and 1 LOW) are added.
        # High priority rule action is set to BYPASS.
        # Low priority rule action is set to DISCARD.
        # Traffic sent on pg0 interface should match high priority
        # rule and should be sent out on pg1 interface.
        # High priority rule is then removed.
        # Traffic sent on pg0 interface should match low priority
        # rule and should be discarded after SPD lookup.
        # Readd high priority rule.
        # Traffic sent on pg0 interface should match high priority
        # rule and should be sent out on pg1 interface.
        self.create_interfaces(2)
        pkt_count = 5
        self.spd_create_and_intf_add(1, [self.pg0, self.pg1])
        policy_0 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
        )
        policy_1 = self.spd_add_rem_policy(  # inbound, priority 5
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=5,
            policy_type="discard",
        )
        policy_2 = self.spd_add_rem_policy(  # outbound, priority 10
            1,
            self.pg0,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=1,
            priority=10,
            policy_type="bypass",
        )

        # create the packet stream
        packets = self.create_stream(self.pg0, self.pg1, pkt_count)
        # add the stream to the source interface + enable capture
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()
        self.pg1.enable_capture()
        # start the packet generator
        self.pg_start()
        # get capture
        capture = self.pg1.get_capture()
        for packet in capture:
            try:
                self.logger.debug(ppp("SPD - Got packet:", packet))
            except Exception:
                self.logger.error(ppp("Unexpected or invalid packet:", packet))
                raise
        self.logger.debug("SPD: Num packets: %s", len(capture.res))

        # assert nothing captured on pg0
        self.pg0.assert_nothing_captured()
        # verify capture on pg1
        self.verify_capture(self.pg0, self.pg1, capture)
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(0, policy_1)
        # remove the bypass rule, leaving only the discard rule
        self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
            remove=True,
        )

        # resend the same packets
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()  # flush the old captures
        self.pg1.enable_capture()
        self.pg_start()

        # assert nothing captured on pg0
        self.pg0.assert_nothing_captured()
        # all packets will be dropped by SPD rule
        self.pg1.assert_nothing_captured()
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(pkt_count, policy_1)

        # now readd the bypass rule
        policy_0 = self.spd_add_rem_policy(  # outbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
        )

        # resend the same packets
        self.pg0.add_stream(packets)
        self.pg0.enable_capture()  # flush the old captures
        self.pg1.enable_capture()
        self.pg_start()

        # get capture
        capture = self.pg1.get_capture(pkt_count)
        for packet in capture:
            try:
                self.logger.debug(ppp("SPD - Got packet:", packet))
            except Exception:
                self.logger.error(ppp("Unexpected or invalid packet:", packet))
                raise
        self.logger.debug("SPD: Num packets: %s", len(capture.res))

        # assert nothing captured on pg0
        self.pg0.assert_nothing_captured()
        # verify captured packets
        self.verify_capture(self.pg0, self.pg1, capture)
        # verify all policies matched the expected number of times
        self.verify_policy_match(pkt_count, policy_0)
        self.verify_policy_match(pkt_count, policy_1)


class IPSec4SpdTestCaseMultiple(SpdFastPathInbound):
    """ IPSec/IPv4 inbound: Policy mode test case with fast path \
        (multiple interfaces, multiple rules)"""

    def test_ipsec_spd_inbound_multiple(self):
        # In this test case, packets in IPv4 FWD path are configured to go
        # through IPSec outbound SPD policy lookup.
        # Multiples rules on multiple interfaces are tested at the same time.
        # 3x interfaces are configured, binding the same SPD to each.
        # Each interface has 2 SPD rules (1 BYPASS and 1 DISCARD).
        # On pg0 & pg1, the BYPASS rule is HIGH priority
        # On pg2, the DISCARD rule is HIGH priority
        # Traffic should be received on pg0 & pg1 and dropped on pg2.
        self.create_interfaces(3)
        pkt_count = 5
        # bind SPD to all interfaces
        self.spd_create_and_intf_add(1, self.pg_interfaces)
        # add rules on all interfaces
        policy_01 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
        )
        policy_02 = self.spd_add_rem_policy(  # inbound, priority 5
            1,
            self.pg1,
            self.pg0,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=5,
            policy_type="discard",
        )

        policy_11 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg2,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="bypass",
        )
        policy_12 = self.spd_add_rem_policy(  # inbound, priority 5
            1,
            self.pg2,
            self.pg1,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=5,
            policy_type="discard",
        )

        policy_21 = self.spd_add_rem_policy(  # inbound, priority 5
            1,
            self.pg0,
            self.pg2,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=5,
            policy_type="bypass",
        )
        policy_22 = self.spd_add_rem_policy(  # inbound, priority 10
            1,
            self.pg0,
            self.pg2,
            socket.IPPROTO_UDP,
            is_out=0,
            priority=10,
            policy_type="discard",
        )

        # interfaces bound to an SPD, will by default drop outbound
        # traffic with no matching policies. add catch-all outbound
        # bypass rule to SPD:
        self.spd_add_rem_policy(  # outbound, all interfaces
            1,
            None,
            None,
            socket.IPPROTO_UDP,
            is_out=1,
            priority=10,
            policy_type="bypass",
            all_ips=True,
        )

        # create the packet streams
        packets0 = self.create_stream(self.pg0, self.pg1, pkt_count)
        packets1 = self.create_stream(self.pg1, self.pg2, pkt_count)
        packets2 = self.create_stream(self.pg2, self.pg0, pkt_count)
        # add the streams to the source interfaces
        self.pg0.add_stream(packets0)
        self.pg1.add_stream(packets1)
        self.pg2.add_stream(packets2)
        # enable capture on all interfaces
        for pg in self.pg_interfaces:
            pg.enable_capture()
        # start the packet generator
        self.pg_start()

        # get captures
        if_caps = []
        for pg in [self.pg1, self.pg2]:  # we are expecting captures on pg1/pg2
            if_caps.append(pg.get_capture())
            for packet in if_caps[-1]:
                try:
                    self.logger.debug(ppp("SPD - Got packet:", packet))
                except Exception:
                    self.logger.error(ppp("Unexpected or invalid packet:", packet))
                    raise
        self.logger.debug("SPD: Num packets: %s", len(if_caps[0].res))
        self.logger.debug("SPD: Num packets: %s", len(if_caps[1].res))

        # verify captures that matched BYPASS rule
        self.verify_capture(self.pg0, self.pg1, if_caps[0])
        self.verify_capture(self.pg1, self.pg2, if_caps[1])
        # verify that traffic to pg0 matched BYPASS rule
        # although DISCARD rule had higher prioriy and was not dropped
        self.verify_policy_match(pkt_count, policy_21)

        # verify all packets that were expected to match rules, matched
        # pg0 -> pg1
        self.verify_policy_match(pkt_count, policy_01)
        self.verify_policy_match(0, policy_02)
        # pg1 -> pg2
        self.verify_policy_match(pkt_count, policy_11)
        self.verify_policy_match(0, policy_12)
        # pg2 -> pg0
        self.verify_policy_match(0, policy_22)


class IPSec6SpdTestCaseProtect(SpdFastPathIPv6InboundProtect):
    """ IPSec/IPv6 inbound: Policy mode test case with fast path \
    (add protect)"""

    @classmethod
    def setUpClass(cls):
        super(IPSec6SpdTestCaseProtect, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(IPSec6SpdTestCaseProtect, cls).tearDownClass()

    def setUp(self):
        super(IPSec6SpdTestCaseProtect, self).setUp()

    def tearDown(self):
        super(IPSec6SpdTestCaseProtect, self).tearDown()

    def test_ipsec6_spd_inbound_protect(self):
        pkt_count = 5
        payload_size = 64
        p = self.params[socket.AF_INET6]
        send_pkts = self.gen_encrypt_pkts6(
            p,
            p.scapy_tra_sa,
            self.tra_if,
            src=self.tra_if.remote_ip6,
            dst=self.tra_if.local_ip6,
            count=pkt_count,
            payload_size=payload_size,
        )
        recv_pkts = self.send_and_expect(self.tra_if, send_pkts, self.tra_if)

        self.logger.info(self.vapi.ppcli("show error"))
        self.logger.info(self.vapi.ppcli("show ipsec all"))
        pkts = p.tra_sa_in.get_stats()["packets"]
        self.assertEqual(
            pkts,
            pkt_count,
            "incorrect SA in counts: expected %d != %d" % (pkt_count, pkts),
        )
        pkts = p.tra_sa_out.get_stats()["packets"]
        self.assertEqual(
            pkts,
            pkt_count,
            "incorrect SA out counts: expected %d != %d" % (pkt_count, pkts),
        )
        self.assertEqual(p.tra_sa_out.get_lost(), 0)
        self.assertEqual(p.tra_sa_in.get_lost(), 0)


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