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authorFlorin Coras <fcoras@cisco.com>2021-06-02 11:17:29 -0700
committerDave Wallace <dwallacelf@gmail.com>2021-06-03 17:17:43 +0000
commit324d161963025a595a79a10cf953b23250f825a1 (patch)
treec7846acba16958e085618f37707e49a58f0e4702 /src/vnet/l2/l2_fib.c
parent821b5002bf5cd18e1ec7750ff1b6fb379b241869 (diff)
svm: release mem order for fifo chunk list CAS
Type: fix Signed-off-by: Florin Coras <fcoras@cisco.com> Signed-off-by: Dave Wallace <dwallacelf@gmail.com> Change-Id: Ifad679f46abd6e9c18a3eaf7e55800a09f3791ab
Diffstat (limited to 'src/vnet/l2/l2_fib.c')
0 files changed, 0 insertions, 0 deletions
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#!/usr/bin/env python

import unittest
from logging import *
from framework import VppTestCase, VppTestRunner
from template_bd import BridgeDomain

from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP
from scapy_handlers.vxlan import VXLAN


class TestVxlan(BridgeDomain, VppTestCase):
    """ VXLAN Test Case """

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

    def encapsulate(self, pkt):
        """
        Encapsulate the original payload frame by adding VXLAN header with its
        UDP, IP and Ethernet fields
        """
        return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
                UDP(sport=self.dport, dport=self.dport, chksum=0) /
                VXLAN(vni=self.vni) /
                pkt)

    def decapsulate(self, pkt):
        """
        Decapsulate the original payload frame by removing VXLAN header
        """
        return pkt[VXLAN].payload

    # Method for checking VXLAN encapsulation.
    #
    def check_encapsulation(self, pkt):
        # TODO: add error messages
        # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
        #  by VPP using ARP.
        self.assertEqual(pkt[Ether].src, self.pg0.local_mac)
        self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
        # Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP.
        self.assertEqual(pkt[IP].src, self.pg0.local_ip4)
        self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
        # Verify UDP destination port is VXLAN 4789, source UDP port could be
        #  arbitrary.
        self.assertEqual(pkt[UDP].dport, type(self).dport)
        # TODO: checksum check
        # Verify VNI, based on configuration it must be 1.
        self.assertEqual(pkt[VXLAN].vni, type(self).vni)

    # Class method to start the VXLAN test case.
    #  Overrides setUpClass method in VppTestCase class.
    #  Python try..except statement is used to ensure that the tear down of
    #  the class will be executed even if exception is raised.
    #  @param cls The class pointer.
    @classmethod
    def setUpClass(cls):
        super(TestVxlan, cls).setUpClass()

        try:
            cls.dport = 4789
            cls.vni = 1

            # Create 2 pg interfaces.
            cls.create_pg_interfaces(range(2))
            cls.pg0.admin_up()
            cls.pg1.admin_up()

            # Configure IPv4 addresses on VPP pg0.
            cls.pg0.config_ip4()

            # Resolve MAC address for VPP's IP address on pg0.
            cls.pg0.resolve_arp()

            # Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1
            #  into BD.
            r = cls.vapi.vxlan_add_del_tunnel(
                src_addr=cls.pg0.local_ip4n,
                dst_addr=cls.pg0.remote_ip4n,
                vni=cls.vni)
            cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=1)
            cls.vapi.sw_interface_set_l2_bridge(cls.pg1.sw_if_index, bd_id=1)
        except Exception:
            super(TestVxlan, cls).tearDownClass()
            raise

    # Method to define VPP actions before tear down of the test case.
    #  Overrides tearDown method in VppTestCase class.
    #  @param self The object pointer.
    def tearDown(self):
        super(TestVxlan, self).tearDown()
        if not self.vpp_dead:
            info(self.vapi.cli("show bridge-domain 1 detail"))

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