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# Copyright (c) 2022 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Instantiate the Trending Dash applocation.
"""
import dash

from .layout import Layout


def init_trending(server):
    """Create a Plotly Dash dashboard.

    :param server: Flask server.
    :type server: Flask
    :returns: Dash app server.
    :rtype: Dash
    """

    dash_app = dash.Dash(
        server=server,
        routes_pathname_prefix=u"/trending/",
        external_stylesheets=[
            u"/static/dist/css/styles.css",
            u"https://fonts.googleapis.com/css?family=Lato",
        ],
    )

    # Custom HTML layout
    layout = Layout(
        app=dash_app,
        html_layout_file="pal/trending/html_layout.txt",
        spec_file="pal/trending/spec_test_selection.yaml",
        graph_layout_file="pal/trending/layout.yaml"
    )
    dash_app.index_string = layout.html_layout
    dash_app.layout = layout.add_content()

    return dash_app.server
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#!/usr/bin/env python3
"""GSO functional tests"""

#
# Add tests for:
# - GSO
# - Verify that sending Jumbo frame without GSO enabled correctly
# - Verify that sending Jumbo frame with GSO enabled correctly
# - Verify that sending Jumbo frame with GSO enabled only on ingress interface
#
import unittest

from scapy.packet import Raw
from scapy.layers.inet6 import IPv6, Ether, IP, UDP, ICMPv6PacketTooBig
from scapy.layers.inet6 import ipv6nh, IPerror6
from scapy.layers.inet import TCP, ICMP
from scapy.layers.vxlan import VXLAN
from scapy.data import ETH_P_IP, ETH_P_IPV6, ETH_P_ARP
from scapy.layers.ipsec import SecurityAssociation, ESP

from vpp_papi import VppEnum
from framework import VppTestCase, VppTestRunner
from vpp_object import VppObject
from vpp_interface import VppInterface
from vpp_ip import DpoProto
from vpp_ip_route import VppIpRoute, VppRoutePath, FibPathProto
from vpp_ipip_tun_interface import VppIpIpTunInterface
from vpp_vxlan_tunnel import VppVxlanTunnel
from socket import AF_INET, AF_INET6, inet_pton
from util import reassemble4

from vpp_ipsec import VppIpsecSA, VppIpsecTunProtect
from template_ipsec import (
    IPsecIPv4Params,
    IPsecIPv6Params,
    mk_scapy_crypt_key,
    config_tun_params,
)

""" Test_gso is a subclass of VPPTestCase classes.
    GSO tests.
"""


class TestGSO(VppTestCase):
    """GSO Test Case"""

    def __init__(self, *args):
        VppTestCase.__init__(self, *args)

    @classmethod
    def setUpClass(self):
        super(TestGSO, self).setUpClass()
        res = self.create_pg_interfaces(range(2))
        res_gso = self.create_pg_interfaces(range(2, 4), 1, 1460)
        self.create_pg_interfaces(range(4, 5), 1, 8940)
        self.pg_interfaces.append(res[0])
        self.pg_interfaces.append(res[1])
        self.pg_interfaces.append(res_gso[0])
        self.pg_interfaces.append(res_gso[1])

    @classmethod
    def tearDownClass(self):
        super(TestGSO, self).tearDownClass()

    def setUp(self):
        super(TestGSO, self).setUp()
        for i in self.pg_interfaces:
            i.admin_up()
            i.config_ip4()
            i.config_ip6()
            i.disable_ipv6_ra()
            i.resolve_arp()
            i.resolve_ndp()

        self.single_tunnel_bd = 10
        self.vxlan = VppVxlanTunnel(
            self,
            src=self.pg0.local_ip4,
            dst=self.pg0.remote_ip4,
            vni=self.single_tunnel_bd,
        )

        self.vxlan2 = VppVxlanTunnel(
            self,
            src=self.pg0.local_ip6,
            dst=self.pg0.remote_ip6,
            vni=self.single_tunnel_bd,
        )

        self.ipip4 = VppIpIpTunInterface(
            self, self.pg0, self.pg0.local_ip4, self.pg0.remote_ip4
        )
        self.ipip6 = VppIpIpTunInterface(
            self, self.pg0, self.pg0.local_ip6, self.pg0.remote_ip6
        )

    def tearDown(self):
        super(TestGSO, self).tearDown()
        if not self.vpp_dead:
            for i in self.pg_interfaces:
                i.unconfig_ip4()
                i.unconfig_ip6()
                i.admin_down()

    def test_gso(self):
        """GSO test"""
        #
        # Send jumbo frame with gso disabled and DF bit is set
        #
        p4 = (
            Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
            / IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg0, [p4], self.pg0)

        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assertEqual(rx[ICMP].type, 3)  # "dest-unreach"
            self.assertEqual(rx[ICMP].code, 4)  # "fragmentation-needed"

        #
        # Send checksum offload frames
        #
        p40 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4, flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 1460)
        )

        rxs = self.send_and_expect(self.pg2, 100 * [p40], self.pg0)

        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            payload_len = rx[IP].len - 20 - 20
            self.assert_ip_checksum_valid(rx)
            self.assert_tcp_checksum_valid(rx)
            self.assertEqual(payload_len, len(rx[Raw]))

        p60 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IPv6(src=self.pg2.remote_ip6, dst=self.pg0.remote_ip6)
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 1440)
        )

        rxs = self.send_and_expect(self.pg2, 100 * [p60], self.pg0)

        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            payload_len = rx[IPv6].plen - 20
            self.assert_tcp_checksum_valid(rx)
            self.assertEqual(payload_len, len(rx[Raw]))

        #
        # Send jumbo frame with gso enabled and DF bit is set
        # input and output interfaces support GSO
        #
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg3.sw_if_index, enable_disable=1
        )
        p41 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IP(src=self.pg2.remote_ip4, dst=self.pg3.remote_ip4, flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 100 * [p41], self.pg3, 100)

        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg3.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg3.remote_mac)
            self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
            self.assertEqual(rx[IP].dst, self.pg3.remote_ip4)
            self.assertEqual(rx[IP].len, 65240)  # 65200 + 20 (IP) + 20 (TCP)
            self.assertEqual(rx[TCP].sport, 1234)
            self.assertEqual(rx[TCP].dport, 1234)

        #
        # ipv6
        #
        p61 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IPv6(src=self.pg2.remote_ip6, dst=self.pg3.remote_ip6)
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 100 * [p61], self.pg3, 100)

        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg3.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg3.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg3.remote_ip6)
            self.assertEqual(rx[IPv6].plen, 65220)  # 65200 + 20 (TCP)
            self.assertEqual(rx[TCP].sport, 1234)
            self.assertEqual(rx[TCP].dport, 1234)

        #
        # Send jumbo frame with gso enabled only on input interface
        # and DF bit is set. GSO packet will be chunked into gso_size
        # data payload
        #
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=1
        )
        p42 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IP(src=self.pg2.remote_ip4, dst=self.pg0.remote_ip4, flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p42], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            payload_len = rx[IP].len - 20 - 20  # len - 20 (IP4) - 20 (TCP)
            self.assert_ip_checksum_valid(rx)
            self.assert_tcp_checksum_valid(rx)
            self.assertEqual(rx[TCP].sport, 1234)
            self.assertEqual(rx[TCP].dport, 1234)
            self.assertEqual(payload_len, len(rx[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # ipv6
        #
        p62 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IPv6(src=self.pg2.remote_ip6, dst=self.pg0.remote_ip6)
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p62], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            payload_len = rx[IPv6].plen - 20
            self.assert_tcp_checksum_valid(rx)
            self.assertEqual(rx[TCP].sport, 1234)
            self.assertEqual(rx[TCP].dport, 1234)
            self.assertEqual(payload_len, len(rx[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # Send jumbo frame with gso enabled only on input interface
        # and DF bit is unset. GSO packet will be fragmented.
        #
        self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [576, 0, 0, 0])
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg1.sw_if_index, enable_disable=1
        )

        p43 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IP(src=self.pg2.remote_ip4, dst=self.pg1.remote_ip4)
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p43], self.pg1, 5 * 119)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg1.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
            self.assertEqual(rx[IP].src, self.pg2.remote_ip4)
            self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
            self.assert_ip_checksum_valid(rx)
            size += rx[IP].len - 20
        size -= 20 * 5  # TCP header
        self.assertEqual(size, 65200 * 5)

        #
        # IPv6
        # Send jumbo frame with gso enabled only on input interface.
        # ICMPv6 Packet Too Big will be sent back to sender.
        #
        self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [1280, 0, 0, 0])
        p63 = (
            Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
            / IPv6(src=self.pg2.remote_ip6, dst=self.pg1.remote_ip6)
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect_some(self.pg2, 5 * [p63], self.pg2, 5)
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg2.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg2.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg2.local_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg2.remote_ip6)
            self.assertEqual(rx[IPv6].plen, 1240)  # MTU - IPv6 header
            self.assertEqual(ipv6nh[rx[IPv6].nh], "ICMPv6")
            self.assertEqual(rx[ICMPv6PacketTooBig].mtu, 1280)
            self.assertEqual(rx[IPerror6].src, self.pg2.remote_ip6)
            self.assertEqual(rx[IPerror6].dst, self.pg1.remote_ip6)
            self.assertEqual(rx[IPerror6].plen - 20, 65200)

        #
        # Send jumbo frame with gso enabled only on input interface with 9K MTU
        # and DF bit is unset. GSO packet will be fragmented. MSS is 8960. GSO
        # size will be min(MSS, 2048 - 14 - 20) vlib_buffer_t size
        #
        self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, [9000, 0, 0, 0])
        self.vapi.sw_interface_set_mtu(self.pg4.sw_if_index, [9000, 0, 0, 0])
        p44 = (
            Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac)
            / IP(src=self.pg4.remote_ip4, dst=self.pg1.remote_ip4)
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg4, 5 * [p44], self.pg1, 165)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg1.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
            self.assertEqual(rx[IP].src, self.pg4.remote_ip4)
            self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
            payload_len = rx[IP].len - 20 - 20  # len - 20 (IP4) - 20 (TCP)
            self.assert_ip_checksum_valid(rx)
            self.assert_tcp_checksum_valid(rx)
            self.assertEqual(payload_len, len(rx[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # IPv6
        #
        p64 = (
            Ether(src=self.pg4.remote_mac, dst=self.pg4.local_mac)
            / IPv6(src=self.pg4.remote_ip6, dst=self.pg1.remote_ip6)
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg4, 5 * [p64], self.pg1, 170)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg1.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg1.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg4.remote_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg1.remote_ip6)
            payload_len = rx[IPv6].plen - 20
            self.assert_tcp_checksum_valid(rx)
            self.assertEqual(payload_len, len(rx[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=0
        )
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg1.sw_if_index, enable_disable=0
        )

    def test_gso_vxlan(self):
        """GSO VXLAN test"""
        self.logger.info(self.vapi.cli("sh int addr"))
        #
        # Send jumbo frame with gso enabled only on input interface and
        # create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg2
        # into BD.
        #

        #
        # enable ipv4/vxlan
        #
        self.vxlan.add_vpp_config()
        self.vapi.sw_interface_set_l2_bridge(
            rx_sw_if_index=self.vxlan.sw_if_index, bd_id=self.single_tunnel_bd
        )
        self.vapi.sw_interface_set_l2_bridge(
            rx_sw_if_index=self.pg2.sw_if_index, bd_id=self.single_tunnel_bd
        )
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=1
        )

        #
        # IPv4/IPv4 - VXLAN
        #
        p45 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IP(src=self.pg2.remote_ip4, dst="172.16.3.3", flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p45], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assert_ip_checksum_valid(rx)
            self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
            self.assertEqual(rx[VXLAN].vni, 10)
            inner = rx[VXLAN].payload
            self.assertEqual(rx[IP].len - 20 - 8 - 8, len(inner))
            self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
            self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
            self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
            self.assertEqual(inner[IP].dst, "172.16.3.3")
            self.assert_ip_checksum_valid(inner)
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IP].len - 20 - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # IPv4/IPv6 - VXLAN
        #
        p65 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IPv6(src=self.pg2.remote_ip6, dst="fd01:3::3")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p65], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assert_ip_checksum_valid(rx)
            self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
            self.assertEqual(rx[VXLAN].vni, 10)
            inner = rx[VXLAN].payload
            self.assertEqual(rx[IP].len - 20 - 8 - 8, len(inner))
            self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
            self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
            self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(inner[IPv6].dst, "fd01:3::3")
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IPv6].plen - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # disable ipv4/vxlan
        #
        self.vxlan.remove_vpp_config()

        #
        # enable ipv6/vxlan
        #
        self.vxlan2.add_vpp_config()
        self.vapi.sw_interface_set_l2_bridge(
            rx_sw_if_index=self.vxlan2.sw_if_index, bd_id=self.single_tunnel_bd
        )

        #
        # IPv6/IPv4 - VXLAN
        #
        p46 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IP(src=self.pg2.remote_ip4, dst="172.16.3.3", flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p46], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
            self.assertEqual(rx[VXLAN].vni, 10)
            inner = rx[VXLAN].payload
            self.assertEqual(rx[IPv6].plen - 8 - 8, len(inner))
            self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
            self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
            self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
            self.assertEqual(inner[IP].dst, "172.16.3.3")
            self.assert_ip_checksum_valid(inner)
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IP].len - 20 - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # IPv6/IPv6 - VXLAN
        #
        p66 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IPv6(src=self.pg2.remote_ip6, dst="fd01:3::3")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p66], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            self.assert_udp_checksum_valid(rx, ignore_zero_checksum=False)
            self.assertEqual(rx[VXLAN].vni, 10)
            inner = rx[VXLAN].payload
            self.assertEqual(rx[IPv6].plen - 8 - 8, len(inner))
            self.assertEqual(inner[Ether].src, self.pg2.remote_mac)
            self.assertEqual(inner[Ether].dst, "02:fe:60:1e:a2:79")
            self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(inner[IPv6].dst, "fd01:3::3")
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IPv6].plen - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # disable ipv4/vxlan
        #
        self.vxlan2.remove_vpp_config()

        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=0
        )

    def test_gso_ipip(self):
        """GSO IPIP test"""
        self.logger.info(self.vapi.cli("sh int addr"))
        #
        # Send jumbo frame with gso enabled only on input interface and
        # create IPIP tunnel on VPP pg0.
        #
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=1
        )

        #
        # enable ipip4
        #
        self.ipip4.add_vpp_config()

        # Set interface up and enable IP on it
        self.ipip4.admin_up()
        self.ipip4.set_unnumbered(self.pg0.sw_if_index)

        # Add IPv4 routes via tunnel interface
        self.ip4_via_ip4_tunnel = VppIpRoute(
            self,
            "172.16.10.0",
            24,
            [
                VppRoutePath(
                    "0.0.0.0",
                    self.ipip4.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
                )
            ],
        )
        self.ip4_via_ip4_tunnel.add_vpp_config()

        #
        # IPv4/IPv4 - IPIP
        #
        p47 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p47], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assert_ip_checksum_valid(rx)
            self.assertEqual(rx[IP].proto, 4)  # ipencap
            inner = rx[IP].payload
            self.assertEqual(rx[IP].len - 20, len(inner))
            self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
            self.assertEqual(inner[IP].dst, "172.16.10.3")
            self.assert_ip_checksum_valid(inner)
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IP].len - 20 - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        self.ip6_via_ip4_tunnel = VppIpRoute(
            self,
            "fd01:10::",
            64,
            [
                VppRoutePath(
                    "::",
                    self.ipip4.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
                )
            ],
        )
        self.ip6_via_ip4_tunnel.add_vpp_config()
        #
        # IPv4/IPv6 - IPIP
        #
        p67 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p67], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assert_ip_checksum_valid(rx)
            self.assertEqual(rx[IP].proto, 41)  # ipv6
            inner = rx[IP].payload
            self.assertEqual(rx[IP].len - 20, len(inner))
            self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(inner[IPv6].dst, "fd01:10::3")
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IPv6].plen - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # Send jumbo frame with gso enabled only on input interface and
        # create IPIP tunnel on VPP pg0. Enable gso feature node on ipip
        # tunnel - IPSec use case
        #
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=0
        )
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.ipip4.sw_if_index, enable_disable=1
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p47], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assert_ip_checksum_valid(rx)
            self.assertEqual(rx[IP].proto, 4)  # ipencap
            inner = rx[IP].payload
            self.assertEqual(rx[IP].len - 20, len(inner))
            self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
            self.assertEqual(inner[IP].dst, "172.16.10.3")
            self.assert_ip_checksum_valid(inner)
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IP].len - 20 - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # disable ipip4
        #
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.ipip4.sw_if_index, enable_disable=0
        )
        self.ip4_via_ip4_tunnel.remove_vpp_config()
        self.ip6_via_ip4_tunnel.remove_vpp_config()
        self.ipip4.remove_vpp_config()

        #
        # enable ipip6
        #
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=1
        )
        self.ipip6.add_vpp_config()

        # Set interface up and enable IP on it
        self.ipip6.admin_up()
        self.ipip6.set_unnumbered(self.pg0.sw_if_index)

        # Add IPv4 routes via tunnel interface
        self.ip4_via_ip6_tunnel = VppIpRoute(
            self,
            "172.16.10.0",
            24,
            [
                VppRoutePath(
                    "0.0.0.0",
                    self.ipip6.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
                )
            ],
        )
        self.ip4_via_ip6_tunnel.add_vpp_config()

        #
        # IPv6/IPv4 - IPIP
        #
        p48 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p48], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            self.assertEqual(ipv6nh[rx[IPv6].nh], "IP")
            inner = rx[IPv6].payload
            self.assertEqual(rx[IPv6].plen, len(inner))
            self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
            self.assertEqual(inner[IP].dst, "172.16.10.3")
            self.assert_ip_checksum_valid(inner)
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IP].len - 20 - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        self.ip6_via_ip6_tunnel = VppIpRoute(
            self,
            "fd01:10::",
            64,
            [
                VppRoutePath(
                    "::",
                    self.ipip6.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
                )
            ],
        )
        self.ip6_via_ip6_tunnel.add_vpp_config()

        #
        # IPv6/IPv6 - IPIP
        #
        p68 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, 5 * [p68], self.pg0, 225)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            self.assertEqual(ipv6nh[rx[IPv6].nh], "IPv6")
            inner = rx[IPv6].payload
            self.assertEqual(rx[IPv6].plen, len(inner))
            self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(inner[IPv6].dst, "fd01:10::3")
            self.assert_tcp_checksum_valid(inner)
            payload_len = inner[IPv6].plen - 20
            self.assertEqual(payload_len, len(inner[Raw]))
            size += payload_len
        self.assertEqual(size, 65200 * 5)

        #
        # disable ipip6
        #
        self.ip4_via_ip6_tunnel.remove_vpp_config()
        self.ip6_via_ip6_tunnel.remove_vpp_config()
        self.ipip6.remove_vpp_config()

        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.pg0.sw_if_index, enable_disable=0
        )

    def test_gso_ipsec(self):
        """GSO IPSEC test"""
        #
        # Send jumbo frame with gso enabled only on input interface and
        # create IPIP tunnel on VPP pg0.
        #

        #
        # enable ipip4
        #
        self.ipip4.add_vpp_config()
        self.vapi.feature_gso_enable_disable(
            sw_if_index=self.ipip4.sw_if_index, enable_disable=1
        )

        # Add IPv4 routes via tunnel interface
        self.ip4_via_ip4_tunnel = VppIpRoute(
            self,
            "172.16.10.0",
            24,
            [
                VppRoutePath(
                    "0.0.0.0",
                    self.ipip4.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
                )
            ],
        )
        self.ip4_via_ip4_tunnel.add_vpp_config()

        # IPSec config
        self.ipv4_params = IPsecIPv4Params()
        self.encryption_type = ESP
        config_tun_params(self.ipv4_params, self.encryption_type, self.ipip4)

        self.tun_sa_in_v4 = VppIpsecSA(
            self,
            self.ipv4_params.vpp_tun_sa_id,
            self.ipv4_params.vpp_tun_spi,
            self.ipv4_params.auth_algo_vpp_id,
            self.ipv4_params.auth_key,
            self.ipv4_params.crypt_algo_vpp_id,
            self.ipv4_params.crypt_key,
            VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
        )
        self.tun_sa_in_v4.add_vpp_config()

        self.tun_sa_out_v4 = VppIpsecSA(
            self,
            self.ipv4_params.scapy_tun_sa_id,
            self.ipv4_params.scapy_tun_spi,
            self.ipv4_params.auth_algo_vpp_id,
            self.ipv4_params.auth_key,
            self.ipv4_params.crypt_algo_vpp_id,
            self.ipv4_params.crypt_key,
            VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
        )
        self.tun_sa_out_v4.add_vpp_config()

        self.tun_protect_v4 = VppIpsecTunProtect(
            self, self.ipip4, self.tun_sa_out_v4, [self.tun_sa_in_v4]
        )

        self.tun_protect_v4.add_vpp_config()

        # Set interface up and enable IP on it
        self.ipip4.admin_up()
        self.ipip4.set_unnumbered(self.pg0.sw_if_index)

        #
        # IPv4/IPv4 - IPSEC
        #
        ipsec44 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, [ipsec44], self.pg0, 45)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assertEqual(rx[IP].proto, 50)  # ESP
            self.assertEqual(rx[ESP].spi, self.ipv4_params.scapy_tun_spi)
            inner = self.ipv4_params.vpp_tun_sa.decrypt(rx[IP])
            self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
            self.assertEqual(inner[IP].dst, "172.16.10.3")
            size += inner[IP].len - 20 - 20
        self.assertEqual(size, 65200)

        self.ip6_via_ip4_tunnel = VppIpRoute(
            self,
            "fd01:10::",
            64,
            [
                VppRoutePath(
                    "::",
                    self.ipip4.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
                )
            ],
        )
        self.ip6_via_ip4_tunnel.add_vpp_config()
        #
        # IPv4/IPv6 - IPSEC
        #
        ipsec46 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, [ipsec46], self.pg0, 45)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IP].src, self.pg0.local_ip4)
            self.assertEqual(rx[IP].dst, self.pg0.remote_ip4)
            self.assertEqual(rx[IP].proto, 50)  # ESP
            self.assertEqual(rx[ESP].spi, self.ipv4_params.scapy_tun_spi)
            inner = self.ipv4_params.vpp_tun_sa.decrypt(rx[IP])
            self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(inner[IPv6].dst, "fd01:10::3")
            size += inner[IPv6].plen - 20
        self.assertEqual(size, 65200)

        # disable IPSec
        self.tun_protect_v4.remove_vpp_config()
        self.tun_sa_in_v4.remove_vpp_config()
        self.tun_sa_out_v4.remove_vpp_config()

        #
        # disable ipip4
        #
        self.vapi.feature_gso_enable_disable(self.ipip4.sw_if_index, enable_disable=0)
        self.ip4_via_ip4_tunnel.remove_vpp_config()
        self.ip6_via_ip4_tunnel.remove_vpp_config()
        self.ipip4.remove_vpp_config()

        #
        # enable ipip6
        #
        self.ipip6.add_vpp_config()
        self.vapi.feature_gso_enable_disable(self.ipip6.sw_if_index, enable_disable=1)

        # Set interface up and enable IP on it
        self.ipip6.admin_up()
        self.ipip6.set_unnumbered(self.pg0.sw_if_index)

        # Add IPv4 routes via tunnel interface
        self.ip4_via_ip6_tunnel = VppIpRoute(
            self,
            "172.16.10.0",
            24,
            [
                VppRoutePath(
                    "0.0.0.0",
                    self.ipip6.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
                )
            ],
        )
        self.ip4_via_ip6_tunnel.add_vpp_config()

        # IPSec config
        self.ipv6_params = IPsecIPv6Params()
        self.encryption_type = ESP
        config_tun_params(self.ipv6_params, self.encryption_type, self.ipip6)
        self.tun_sa_in_v6 = VppIpsecSA(
            self,
            self.ipv6_params.vpp_tun_sa_id,
            self.ipv6_params.vpp_tun_spi,
            self.ipv6_params.auth_algo_vpp_id,
            self.ipv6_params.auth_key,
            self.ipv6_params.crypt_algo_vpp_id,
            self.ipv6_params.crypt_key,
            VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
        )
        self.tun_sa_in_v6.add_vpp_config()

        self.tun_sa_out_v6 = VppIpsecSA(
            self,
            self.ipv6_params.scapy_tun_sa_id,
            self.ipv6_params.scapy_tun_spi,
            self.ipv6_params.auth_algo_vpp_id,
            self.ipv6_params.auth_key,
            self.ipv6_params.crypt_algo_vpp_id,
            self.ipv6_params.crypt_key,
            VppEnum.vl_api_ipsec_proto_t.IPSEC_API_PROTO_ESP,
        )
        self.tun_sa_out_v6.add_vpp_config()

        self.tun_protect_v6 = VppIpsecTunProtect(
            self, self.ipip6, self.tun_sa_out_v6, [self.tun_sa_in_v6]
        )

        self.tun_protect_v6.add_vpp_config()

        #
        # IPv6/IPv4 - IPSEC
        #
        ipsec64 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IP(src=self.pg2.remote_ip4, dst="172.16.10.3", flags="DF")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, [ipsec64], self.pg0, 45)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            self.assertEqual(ipv6nh[rx[IPv6].nh], "ESP Header")
            self.assertEqual(rx[ESP].spi, self.ipv6_params.scapy_tun_spi)
            inner = self.ipv6_params.vpp_tun_sa.decrypt(rx[IPv6])
            self.assertEqual(inner[IP].src, self.pg2.remote_ip4)
            self.assertEqual(inner[IP].dst, "172.16.10.3")
            size += inner[IP].len - 20 - 20
        self.assertEqual(size, 65200)

        self.ip6_via_ip6_tunnel = VppIpRoute(
            self,
            "fd01:10::",
            64,
            [
                VppRoutePath(
                    "::",
                    self.ipip6.sw_if_index,
                    proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
                )
            ],
        )
        self.ip6_via_ip6_tunnel.add_vpp_config()

        #
        # IPv6/IPv6 - IPSEC
        #
        ipsec66 = (
            Ether(src=self.pg2.remote_mac, dst="02:fe:60:1e:a2:79")
            / IPv6(src=self.pg2.remote_ip6, dst="fd01:10::3")
            / TCP(sport=1234, dport=1234)
            / Raw(b"\xa5" * 65200)
        )

        rxs = self.send_and_expect(self.pg2, [ipsec66], self.pg0, 45)
        size = 0
        for rx in rxs:
            self.assertEqual(rx[Ether].src, self.pg0.local_mac)
            self.assertEqual(rx[Ether].dst, self.pg0.remote_mac)
            self.assertEqual(rx[IPv6].src, self.pg0.local_ip6)
            self.assertEqual(rx[IPv6].dst, self.pg0.remote_ip6)
            self.assertEqual(ipv6nh[rx[IPv6].nh], "ESP Header")
            self.assertEqual(rx[ESP].spi, self.ipv6_params.scapy_tun_spi)
            inner = self.ipv6_params.vpp_tun_sa.decrypt(rx[IPv6])
            self.assertEqual(inner[IPv6].src, self.pg2.remote_ip6)
            self.assertEqual(inner[IPv6].dst, "fd01:10::3")
            size += inner[IPv6].plen - 20
        self.assertEqual(size, 65200)

        # disable IPSec
        self.tun_protect_v6.remove_vpp_config()
        self.tun_sa_in_v6.remove_vpp_config()
        self.tun_sa_out_v6.remove_vpp_config()

        #
        # disable ipip6
        #
        self.ip4_via_ip6_tunnel.remove_vpp_config()
        self.ip6_via_ip6_tunnel.remove_vpp_config()
        self.ipip6.remove_vpp_config()

        self.vapi.feature_gso_enable_disable(self.pg0.sw_if_index, enable_disable=0)


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