#!/usr/bin/env python
import unittest
+from logging import *
from framework import VppTestCase, VppTestRunner
-from util import Util
from template_bd import BridgeDomain
from scapy.layers.l2 import Ether
from scapy_handlers.vxlan import VXLAN
-## TestVxlan is a subclass of BridgeDomain, Util, VppTestCase classes.
-#
-# TestVxlan class defines VXLAN test cases for VXLAN encapsulation,
-# decapsulation and VXLAN tunnel termination in L2 bridge-domain.
-class TestVxlan(BridgeDomain, Util, VppTestCase):
+class TestVxlan(BridgeDomain, VppTestCase):
""" VXLAN Test Case """
- ## Method to initialize all parent classes.
- #
- # Initialize BridgeDomain objects, set documentation string for inherited
- # tests and initialize VppTestCase object which must be called after
- # doc strings are set.
def __init__(self, *args):
BridgeDomain.__init__(self)
- self.test_decap.__func__.__doc__ = ' VXLAN BD decapsulation '
- self.test_encap.__func__.__doc__ = ' VXLAN BD encapsulation '
VppTestCase.__init__(self, *args)
- ## Method for VXLAN encapsulate function.
- #
- # Encapsulate the original payload frame by adding VXLAN header with its
- # UDP, IP and Ethernet fields.
def encapsulate(self, pkt):
- return (Ether(src=self.MY_MACS[0], dst=self.VPP_MACS[0]) /
- IP(src=self.MY_IP4S[0], dst=self.VPP_IP4S[0]) /
- UDP(sport=4789, dport=4789, chksum=0) /
- VXLAN(vni=1) /
+ """
+ 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)
- ## Method for VXLAN decapsulate function.
- #
- # Decapsulate the original payload frame by removing VXLAN header with
- # its UDP, IP and Ethernet fields.
def decapsulate(self, pkt):
+ """
+ Decapsulate the original payload frame by removing VXLAN header
+ """
return pkt[VXLAN].payload
- ## Method for checking VXLAN encapsulation.
+ # 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
+ # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
# by VPP using ARP.
- self.assertEqual(pkt[Ether].src, self.VPP_MACS[0])
- self.assertEqual(pkt[Ether].dst, self.MY_MACS[0])
- ## Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP.
- self.assertEqual(pkt[IP].src, self.VPP_IP4S[0])
- self.assertEqual(pkt[IP].dst, self.MY_IP4S[0])
- ## Verify UDP destination port is VXLAN 4789, source UDP port could be
+ 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, 4789)
+ 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, 1)
+ # 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.
+ # 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.
@classmethod
def setUpClass(cls):
super(TestVxlan, cls).setUpClass()
+
try:
- ## Create 2 pg interfaces.
- cls.create_interfaces(range(2))
- ## Configure IPv4 addresses on VPP pg0.
- cls.config_ip4([0])
- ## Resolve MAC address for VPP's IP address on pg0.
- cls.resolve_arp([0])
-
- ## Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1
+ 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.
- cls.api("vxlan_add_del_tunnel src %s dst %s vni 1" %
- (cls.VPP_IP4S[0], cls.MY_IP4S[0]))
- cls.api("sw_interface_set_l2_bridge vxlan_tunnel0 bd_id 1")
- cls.api("sw_interface_set_l2_bridge pg1 bd_id 1")
- except:
- ## In case setUpClass fails run tear down.
- cls.tearDownClass()
+ 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.
+ # 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()
- self.cli(2, "show bridge-domain 1 detail")
+ if not self.vpp_dead:
+ info(self.vapi.cli("show bridge-domain 1 detail"))
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff