5 from framework import VppTestCase, VppTestRunner
6 from template_bd import BridgeDomain
8 from scapy.layers.l2 import Ether
9 from scapy.layers.inet import IP, UDP
10 from scapy_handlers.vxlan import VXLAN
13 class TestVxlan(BridgeDomain, VppTestCase):
14 """ VXLAN Test Case """
16 def __init__(self, *args):
17 BridgeDomain.__init__(self)
18 VppTestCase.__init__(self, *args)
20 def encapsulate(self, pkt):
22 Encapsulate the original payload frame by adding VXLAN header with its
23 UDP, IP and Ethernet fields
25 return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
26 IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
27 UDP(sport=self.dport, dport=self.dport, chksum=0) /
31 def decapsulate(self, pkt):
33 Decapsulate the original payload frame by removing VXLAN header
35 return pkt[VXLAN].payload
37 # Method for checking VXLAN encapsulation.
39 def check_encapsulation(self, pkt):
40 # TODO: add error messages
41 # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
43 self.assertEqual(pkt[Ether].src, self.pg0.local_mac)
44 self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
45 # Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP.
46 self.assertEqual(pkt[IP].src, self.pg0.local_ip4)
47 self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
48 # Verify UDP destination port is VXLAN 4789, source UDP port could be
50 self.assertEqual(pkt[UDP].dport, type(self).dport)
51 # TODO: checksum check
52 # Verify VNI, based on configuration it must be 1.
53 self.assertEqual(pkt[VXLAN].vni, type(self).vni)
55 # Class method to start the VXLAN test case.
56 # Overrides setUpClass method in VppTestCase class.
57 # Python try..except statement is used to ensure that the tear down of
58 # the class will be executed even if exception is raised.
59 # @param cls The class pointer.
62 super(TestVxlan, cls).setUpClass()
68 # Create 2 pg interfaces.
69 cls.create_pg_interfaces(range(2))
73 # Configure IPv4 addresses on VPP pg0.
76 # Resolve MAC address for VPP's IP address on pg0.
79 # Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1
81 r = cls.vapi.vxlan_add_del_tunnel(
82 src_addr=cls.pg0.local_ip4n,
83 dst_addr=cls.pg0.remote_ip4n,
85 cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=1)
86 cls.vapi.sw_interface_set_l2_bridge(cls.pg1.sw_if_index, bd_id=1)
88 super(TestVxlan, cls).tearDownClass()
91 # Method to define VPP actions before tear down of the test case.
92 # Overrides tearDown method in VppTestCase class.
93 # @param self The object pointer.
95 super(TestVxlan, self).tearDown()
97 info(self.vapi.cli("show bridge-domain 1 detail"))
99 if __name__ == '__main__':
100 unittest.main(testRunner=VppTestRunner)