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authorPeter Mikus <pmikus@cisco.com>2019-10-30 06:59:57 +0000
committerPeter Mikus <pmikus@cisco.com>2019-10-30 06:59:57 +0000
commita3dab28621162becb33ff71076db21a6fda35e18 (patch)
tree7edb9971a4e6e1a8c630a82ab7c66dcea87cb474 /bootstrap-DMM.sh
parent61144d7e22c5f34dea6d53aecd9aa0b69fde4157 (diff)
FIX: IPSecHW
- IPsec proto is not for GCM Signed-off-by: Peter Mikus <pmikus@cisco.com> Change-Id: If6a9721574a72dacb4486c837100e4f2ed2bab19
Diffstat (limited to 'bootstrap-DMM.sh')
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import socket
import unittest
from scapy.layers.ipsec import ESP
from scapy.layers.inet import UDP

from parameterized import parameterized
from framework import VppTestRunner
from template_ipsec import IpsecTra46Tests, IpsecTun46Tests, TemplateIpsec, \
    IpsecTcpTests, IpsecTun4Tests, IpsecTra4Tests, config_tra_params, \
    config_tun_params, IPsecIPv4Params, IPsecIPv6Params, \
    IpsecTra4, IpsecTun4, IpsecTra6, IpsecTun6, \
    IpsecTun6HandoffTests, IpsecTun4HandoffTests, \
    IpsecTra6ExtTests
from vpp_ipsec import VppIpsecSpd, VppIpsecSpdEntry, VppIpsecSA,\
    VppIpsecSpdItfBinding
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_ip import DpoProto
from vpp_papi import VppEnum

NUM_PKTS = 67
engines_supporting_chain_bufs = ["openssl"]


class ConfigIpsecESP(TemplateIpsec):
    encryption_type = ESP
    tra4_encrypt_node_name = "esp4-encrypt"
    tra4_decrypt_node_name = "esp4-decrypt"
    tra6_encrypt_node_name = "esp6-encrypt"
    tra6_decrypt_node_name = "esp6-decrypt"
    tun4_encrypt_node_name = "esp4-encrypt"
    tun4_decrypt_node_name = "esp4-decrypt"
    tun6_encrypt_node_name = "esp6-encrypt"
    tun6_decrypt_node_name = "esp6-decrypt"

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

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

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

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

    def config_network(self, params):
        self.net_objs = []
        self.tun_if = self.pg0
        self.tra_if = self.pg2
        self.logger.info(self.vapi.ppcli("show int addr"))

        self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
        self.tra_spd.add_vpp_config()
        self.net_objs.append(self.tra_spd)
        self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
        self.tun_spd.add_vpp_config()
        self.net_objs.append(self.tun_spd)

        b = VppIpsecSpdItfBinding(self, self.tun_spd,
                                  self.tun_if)
        b.add_vpp_config()
        self.net_objs.append(b)

        b = VppIpsecSpdItfBinding(self, self.tra_spd,
                                  self.tra_if)
        b.add_vpp_config()
        self.net_objs.append(b)

        for p in params:
            self.config_esp_tra(p)
            config_tra_params(p, self.encryption_type)
        for p in params:
            self.config_esp_tun(p)
            config_tun_params(p, self.encryption_type, self.tun_if)

        for p in params:
            d = DpoProto.DPO_PROTO_IP6 if p.is_ipv6 else DpoProto.DPO_PROTO_IP4
            r = VppIpRoute(self,  p.remote_tun_if_host, p.addr_len,
                           [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
                                         0xffffffff,
                                         proto=d)])
            r.add_vpp_config()
            self.net_objs.append(r)

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

    def unconfig_network(self):
        for o in reversed(self.net_objs):
            o.remove_vpp_config()
        self.net_objs = []

    def config_esp_tun(self, params):
        addr_type = params.addr_type
        scapy_tun_sa_id = params.scapy_tun_sa_id
        scapy_tun_spi = params.scapy_tun_spi
        vpp_tun_sa_id = params.vpp_tun_sa_id
        vpp_tun_spi = params.vpp_tun_spi
        auth_algo_vpp_id = params.auth_algo_vpp_id
        auth_key = params.auth_key
        crypt_algo_vpp_id = params.crypt_algo_vpp_id
        crypt_key = params.crypt_key
        remote_tun_if_host = params.remote_tun_if_host
        addr_any = params.addr_any
        addr_bcast = params.addr_bcast
        e = VppEnum.vl_api_ipsec_spd_action_t
        flags = params.flags
        salt = params.salt
        objs = []

        params.tun_sa_in = VppIpsecSA(self, scapy_tun_sa_id, scapy_tun_spi,
                                      auth_algo_vpp_id, auth_key,
                                      crypt_algo_vpp_id, crypt_key,
                                      self.vpp_esp_protocol,
                                      self.tun_if.local_addr[addr_type],
                                      self.tun_if.remote_addr[addr_type],
                                      flags=flags,
                                      salt=salt)
        params.tun_sa_out = VppIpsecSA(self, vpp_tun_sa_id, vpp_tun_spi,
                                       auth_algo_vpp_id, auth_key,
                                       crypt_algo_vpp_id, crypt_key,
                                       self.vpp_esp_protocol,
                                       self.tun_if.remote_addr[addr_type],
                                       self.tun_if.local_addr[addr_type],
                                       flags=flags,
                                       salt=salt)
        objs.append(params.tun_sa_in)
        objs.append(params.tun_sa_out)

        params.spd_policy_in_any = VppIpsecSpdEntry(self, self.tun_spd,
                                                    scapy_tun_sa_id,
                                                    addr_any, addr_bcast,
                                                    addr_any, addr_bcast,
                                                    socket.IPPROTO_ESP)
        params.spd_policy_out_any = VppIpsecSpdEntry(self, self.tun_spd,
                                                     scapy_tun_sa_id,
                                                     addr_any, addr_bcast,
                                                     addr_any, addr_bcast,
                                                     socket.IPPROTO_ESP,
                                                     is_outbound=0)
        objs.append(params.spd_policy_out_any)
        objs.append(params.spd_policy_in_any)

        objs.append(VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
                                     remote_tun_if_host, remote_tun_if_host,
                                     self.pg1.remote_addr[addr_type],
                                     self.pg1.remote_addr[addr_type],
                                     0,
                                     priority=10,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
                                     self.pg1.remote_addr[addr_type],
                                     self.pg1.remote_addr[addr_type],
                                     remote_tun_if_host, remote_tun_if_host,
                                     0,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     priority=10))
        objs.append(VppIpsecSpdEntry(self, self.tun_spd, vpp_tun_sa_id,
                                     remote_tun_if_host, remote_tun_if_host,
                                     self.pg0.local_addr[addr_type],
                                     self.pg0.local_addr[addr_type],
                                     0,
                                     priority=20,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tun_spd, scapy_tun_sa_id,
                                     self.pg0.local_addr[addr_type],
                                     self.pg0.local_addr[addr_type],
                                     remote_tun_if_host, remote_tun_if_host,
                                     0,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     priority=20))
        for o in objs:
            o.add_vpp_config()
        self.net_objs = self.net_objs + objs

    def config_esp_tra(self, params):
        addr_type = params.addr_type
        scapy_tra_sa_id = params.scapy_tra_sa_id
        scapy_tra_spi = params.scapy_tra_spi
        vpp_tra_sa_id = params.vpp_tra_sa_id
        vpp_tra_spi = params.vpp_tra_spi
        auth_algo_vpp_id = params.auth_algo_vpp_id
        auth_key = params.auth_key
        crypt_algo_vpp_id = params.crypt_algo_vpp_id
        crypt_key = params.crypt_key
        addr_any = params.addr_any
        addr_bcast = params.addr_bcast
        flags = (VppEnum.vl_api_ipsec_sad_flags_t.
                 IPSEC_API_SAD_FLAG_USE_ANTI_REPLAY)
        e = VppEnum.vl_api_ipsec_spd_action_t
        flags = params.flags | flags
        salt = params.salt
        objs = []

        params.tra_sa_in = VppIpsecSA(self, scapy_tra_sa_id, scapy_tra_spi,
                                      auth_algo_vpp_id, auth_key,
                                      crypt_algo_vpp_id, crypt_key,
                                      self.vpp_esp_protocol,
                                      flags=flags,
                                      salt=salt)
        params.tra_sa_out = VppIpsecSA(self, vpp_tra_sa_id, vpp_tra_spi,
                                       auth_algo_vpp_id, auth_key,
                                       crypt_algo_vpp_id, crypt_key,
                                       self.vpp_esp_protocol,
                                       flags=flags,
                                       salt=salt)
        objs.append(params.tra_sa_in)
        objs.append(params.tra_sa_out)

        objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
                                     addr_any, addr_bcast,
                                     addr_any, addr_bcast,
                                     socket.IPPROTO_ESP))
        objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
                                     addr_any, addr_bcast,
                                     addr_any, addr_bcast,
                                     socket.IPPROTO_ESP,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tra_spd, vpp_tra_sa_id,
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     0, priority=10,
                                     policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     is_outbound=0))
        objs.append(VppIpsecSpdEntry(self, self.tra_spd, scapy_tra_sa_id,
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.local_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     self.tra_if.remote_addr[addr_type],
                                     0, policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                                     priority=10))
        for o in objs:
            o.add_vpp_config()
        self.net_objs = self.net_objs + objs


class TemplateIpsecEsp(ConfigIpsecESP):
    """
    Basic test for ipsec esp sanity - tunnel and transport modes.

    Below 4 cases are covered as part of this test
    1) ipsec esp v4 transport basic test  - IPv4 Transport mode
        scenario using HMAC-SHA1-96 integrity algo
    2) ipsec esp v4 transport burst test
        Above test for 257 pkts
    3) ipsec esp 4o4 tunnel basic test    - IPv4 Tunnel mode
        scenario using HMAC-SHA1-96 integrity algo
    4) ipsec esp 4o4 tunnel burst test
        Above test for 257 pkts

    TRANSPORT MODE:

     ---   encrypt   ---
    |pg2| <-------> |VPP|
     ---   decrypt   ---

    TUNNEL MODE:

     ---   encrypt   ---   plain   ---
    |pg0| <-------  |VPP| <------ |pg1|
     ---             ---           ---

     ---   decrypt   ---   plain   ---
    |pg0| ------->  |VPP| ------> |pg1|
     ---             ---           ---
    """

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

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

    def setUp(self):
        super(TemplateIpsecEsp, self).setUp()
        self.config_network(self.params.values())

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


class TestIpsecEsp1(TemplateIpsecEsp, IpsecTra46Tests,
                    IpsecTun46Tests, IpsecTra6ExtTests):
    """ Ipsec ESP - TUN & TRA tests """

    @classmethod
    def setUpClass(cls):
        super(TestIpsecEsp1, cls).setUpClass()

    @classmethod
    def tearDownClass(cls):
        super(TestIpsecEsp1, cls).tearDownClass()

    def setUp(self):
        super(TestIpsecEsp1, self).setUp()

    def tearDown(self):
        super(TestIpsecEsp1, self).tearDown()

    def test_tun_46(self):
        """ ipsec 4o6 tunnel """
        # add an SPD entry to direct 2.2.2.2 to the v6 tunnel SA
        p6 = self.ipv6_params
        p4 = self.ipv4_params

        p6.remote_tun_if_host4 = "2.2.2.2"
        e = VppEnum.vl_api_ipsec_spd_action_t

        VppIpsecSpdEntry(self,
                         self.tun_spd,
                         p6.scapy_tun_sa_id,
                         self.pg1.remote_addr[p4.addr_type],
                         self.pg1.remote_addr[p4.addr_type],
                         p6.remote_tun_if_host4,
                         p6.remote_tun_if_host4,
                         0,
                         priority=10,
                         policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                         is_outbound=1).add_vpp_config()
        VppIpRoute(self,  p6.remote_tun_if_host4, p4.addr_len,
                   [VppRoutePath(self.tun_if.remote_addr[p4.addr_type],
                                 0xffffffff)]).add_vpp_config()

        old_name = self.tun6_encrypt_node_name
        self.tun6_encrypt_node_name = "esp4-encrypt"

        self.verify_tun_46(p6, count=63)
        self.tun6_encrypt_node_name = old_name

    def test_tun_64(self):
        """ ipsec 6o4 tunnel """
        # add an SPD entry to direct 4444::4 to the v4 tunnel SA
        p6 = self.ipv6_params
        p4 = self.ipv4_params

        p4.remote_tun_if_host6 = "4444::4"
        e = VppEnum.vl_api_ipsec_spd_action_t

        VppIpsecSpdEntry(self,
                         self.tun_spd,
                         p4.scapy_tun_sa_id,
                         self.pg1.remote_addr[p6.addr_type],
                         self.pg1.remote_addr[p6.addr_type],
                         p4.remote_tun_if_host6,
                         p4.remote_tun_if_host6,
                         0,
                         priority=10,
                         policy=e.IPSEC_API_SPD_ACTION_PROTECT,
                         is_outbound=1).add_vpp_config()
        d = DpoProto.DPO_PROTO_IP6
        VppIpRoute(self,  p4.remote_tun_if_host6, p6.addr_len,
                   [VppRoutePath(self.tun_if.remote_addr[p6.addr_type],
                                 0xffffffff,
                                 proto=d)]).add_vpp_config()

        old_name = self.tun4_encrypt_node_name
        self.tun4_encrypt_node_name = "esp6-encrypt"
        self.verify_tun_64(p4, count=63)
        self.tun4_encrypt_node_name = old_name


class TestIpsecEsp2(TemplateIpsecEsp, IpsecTcpTests):
    """ Ipsec ESP - TCP tests """
    pass


class TestIpsecEspHandoff(TemplateIpsecEsp,
                          IpsecTun6HandoffTests,
                          IpsecTun4HandoffTests):
    """ Ipsec ESP - handoff tests """
    pass


class TemplateIpsecEspUdp(ConfigIpsecESP):
    """
    UDP encapped ESP
    """

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

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

    def setUp(self):
        super(TemplateIpsecEspUdp, self).setUp()
        self.net_objs = []
        self.tun_if = self.pg0
        self.tra_if = self.pg2
        self.logger.info(self.vapi.ppcli("show int addr"))

        p = self.ipv4_params
        p.flags = (VppEnum.vl_api_ipsec_sad_flags_t.
                   IPSEC_API_SAD_FLAG_UDP_ENCAP)
        p.nat_header = UDP(sport=5454, dport=4500)

        self.tra_spd = VppIpsecSpd(self, self.tra_spd_id)
        self.tra_spd.add_vpp_config()
        VppIpsecSpdItfBinding(self, self.tra_spd,
                              self.tra_if).add_vpp_config()

        self.config_esp_tra(p)
        config_tra_params(p, self.encryption_type)

        self.tun_spd = VppIpsecSpd(self, self.tun_spd_id)
        self.tun_spd.add_vpp_config()
        VppIpsecSpdItfBinding(self, self.tun_spd,
                              self.tun_if).add_vpp_config()

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

        d = DpoProto.DPO_PROTO_IP4
        VppIpRoute(self,  p.remote_tun_if_host, p.addr_len,
                   [VppRoutePath(self.tun_if.remote_addr[p.addr_type],
                                 0xffffffff,
                                 proto=d)]).add_vpp_config()

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

    def show_commands_at_teardown(self):
        self.logger.info(self.vapi.cli("show hardware"))


class TestIpsecEspUdp(TemplateIpsecEspUdp, IpsecTra4Tests):
    """ Ipsec NAT-T ESP UDP tests """
    pass


class MyParameters():
    def __init__(self):
        self.engines = ["ia32", "ipsecmb", "openssl"]
        flag_esn = VppEnum.vl_api_ipsec_sad_flags_t.IPSEC_API_SAD_FLAG_USE_ESN
        self.flags = [0, flag_esn]
        # foreach crypto algorithm
        self.algos = {
            'AES-GCM-128/NONE': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_GCM_128),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_NONE),
                  'scapy-crypto': "AES-GCM",
                  'scapy-integ': "NULL",
                  'key': b"JPjyOWBeVEQiMe7h",
                  'salt': 0},
            'AES-GCM-192/NONE': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_GCM_192),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_NONE),
                  'scapy-crypto': "AES-GCM",
                  'scapy-integ': "NULL",
                  'key': b"JPjyOWBeVEQiMe7h01234567",
                  'salt': 1010},
            'AES-GCM-256/NONE': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_GCM_256),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_NONE),
                  'scapy-crypto': "AES-GCM",
                  'scapy-integ': "NULL",
                  'key': b"JPjyOWBeVEQiMe7h0123456787654321",
                  'salt': 2020},
            'AES-CBC-128/MD5-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_CBC_128),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_MD5_96),
                  'scapy-crypto': "AES-CBC",
                  'scapy-integ': "HMAC-MD5-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7h"},
            'AES-CBC-192/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_CBC_192),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "AES-CBC",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7hJPjyOWBe"},
            'AES-CBC-256/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_AES_CBC_256),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "AES-CBC",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7hJPjyOWBeVEQiMe7h"},
            '3DES-CBC/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_3DES_CBC),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "3DES",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7h00112233"},
            'NONE/SHA1-96': {
                  'vpp-crypto': (VppEnum.vl_api_ipsec_crypto_alg_t.
                                 IPSEC_API_CRYPTO_ALG_NONE),
                  'vpp-integ': (VppEnum.vl_api_ipsec_integ_alg_t.
                                IPSEC_API_INTEG_ALG_SHA1_96),
                  'scapy-crypto': "NULL",
                  'scapy-integ': "HMAC-SHA1-96",
                  'salt': 0,
                  'key': b"JPjyOWBeVEQiMe7h00112233"}}


class RunTestIpsecEspAll(ConfigIpsecESP,
                         IpsecTra4, IpsecTra6,
                         IpsecTun4, IpsecTun6):
    """ Ipsec ESP all Algos """

    def setUp(self):
        super(RunTestIpsecEspAll, self).setUp()
        test_args = str.split(self.__doc__, " ")

        params = MyParameters()
        self.engine = test_args[0]
        self.flag = params.flags[0]
        if test_args[1] == 'ESN':
            self.flag = params.flags[1]

        self.algo = params.algos[test_args[2]]

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

    def run_test(self):
        self.run_a_test(self.engine, self.flag, self.algo)

    def run_a_test(self, engine, flag, algo, payload_size=None):
        self.vapi.cli("set crypto handler all %s" % engine)

        self.ipv4_params = IPsecIPv4Params()
        self.ipv6_params = IPsecIPv6Params()

        self.params = {self.ipv4_params.addr_type:
                       self.ipv4_params,
                       self.ipv6_params.addr_type:
                       self.ipv6_params}

        for _, p in self.params.items():
            p.auth_algo_vpp_id = algo['vpp-integ']
            p.crypt_algo_vpp_id = algo['vpp-crypto']
            p.crypt_algo = algo['scapy-crypto']
            p.auth_algo = algo['scapy-integ']
            p.crypt_key = algo['key']
            p.salt = algo['salt']
            p.flags = p.flags | flag

        self.reporter.send_keep_alive(self)

        #
        # configure the SPDs. SAs, etc
        #
        self.config_network(self.params.values())

        #
        # run some traffic.
        #  An exhautsive 4o6, 6o4 is not necessary
        #  for each algo
        #
        self.verify_tra_basic6(count=NUM_PKTS)
        self.verify_tra_basic4(count=NUM_PKTS)
        self.verify_tun_66(self.params[socket.AF_INET6],
                           count=NUM_PKTS)
        self.verify_tun_44(self.params[socket.AF_INET],
                           count=NUM_PKTS)

        LARGE_PKT_SZ = [
            1970,  # results in 2 chained buffers entering decrypt node
                   # but leaving as simple buffer due to ICV removal (tra4)
            4010,  # ICV ends up splitted accross 2 buffers in esp_decrypt
                   # for transport4; transport6 takes normal path
            4020,  # same as above but tra4 and tra6 are switched
        ]
        if self.engine in engines_supporting_chain_bufs:
            for sz in LARGE_PKT_SZ:
                self.verify_tra_basic4(count=NUM_PKTS, payload_size=sz)
                self.verify_tra_basic6(count=NUM_PKTS, payload_size=sz)
                self.verify_tun_66(self.params[socket.AF_INET6],
                                   count=NUM_PKTS, payload_size=sz)
                self.verify_tun_44(self.params[socket.AF_INET],
                                   count=NUM_PKTS, payload_size=sz)

        #
        # remove the SPDs, SAs, etc
        #
        self.unconfig_network()

        #
        # reconfigure the network and SA to run the
        # anti replay tests
        #
        self.config_network(self.params.values())
        self.verify_tra_anti_replay()
        self.unconfig_network()

#
# To generate test classes, do:
#   grep '# GEN' test_ipsec_esp.py | sed -e 's/# GEN //g' | bash
#
# GEN for ENG in ia32 ipsecmb openssl; do \
# GEN   for FLG in noESN ESN; do for ALG in AES-GCM-128/NONE \
# GEN     AES-GCM-192/NONE AES-GCM-256/NONE AES-CBC-128/MD5-96 \
# GEN     AES-CBC-192/SHA1-96 AES-CBC-256/SHA1-96 \
# GEN     3DES-CBC/SHA1-96 NONE/SHA1-96; do \
# GEN      [[ ${FLG} == "ESN" &&  ${ALG} == *"NONE" ]] && continue
# GEN      echo -e "\n\nclass Test_${ENG}_${FLG}_${ALG}(RunTestIpsecEspAll):" |
# GEN             sed -e 's/-/_/g' -e 's#/#_#g' ; \
# GEN      echo '    """'$ENG $FLG $ALG IPSec test'"""' ;
# GEN      echo "    def test_ipsec(self):";
# GEN      echo "        self.run_test()";
# GEN done; done; done


class Test_ia32_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
    """ia32 noESN AES-GCM-128/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
    """ia32 noESN AES-GCM-192/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
    """ia32 noESN AES-GCM-256/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ia32 noESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_noESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ia32 noESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ia32 ESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ia32_ESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ia32 ESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
    """ipsecmb noESN AES-GCM-128/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
    """ipsecmb noESN AES-GCM-192/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
    """ipsecmb noESN AES-GCM-256/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ipsecmb noESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_noESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb noESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """ipsecmb ESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_ipsecmb_ESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """ipsecmb ESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_GCM_128_NONE(RunTestIpsecEspAll):
    """openssl noESN AES-GCM-128/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_GCM_192_NONE(RunTestIpsecEspAll):
    """openssl noESN AES-GCM-192/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_GCM_256_NONE(RunTestIpsecEspAll):
    """openssl noESN AES-GCM-256/NONE IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """openssl noESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_noESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """openssl noESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_AES_CBC_128_MD5_96(RunTestIpsecEspAll):
    """openssl ESN AES-CBC-128/MD5-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_AES_CBC_192_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN AES-CBC-192/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_AES_CBC_256_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN AES-CBC-256/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_3DES_CBC_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN 3DES-CBC/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


class Test_openssl_ESN_NONE_SHA1_96(RunTestIpsecEspAll):
    """openssl ESN NONE/SHA1-96 IPSec test"""
    def test_ipsec(self):
        self.run_test()


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