#!/usr/bin/env python3
import socket
-from util import ip4n_range, ip4_range, reassemble4
+from util import ip4_range, reassemble4
import unittest
from framework import VppTestCase, VppTestRunner
from template_bd import BridgeDomain
from scapy.layers.l2 import Ether
-from scapy.packet import Raw
+from scapy.packet import Raw, bind_layers
from scapy.layers.inet import IP, UDP
from scapy.layers.vxlan import VXLAN
-from scapy.utils import atol
+
+import util
from vpp_ip_route import VppIpRoute, VppRoutePath
from vpp_vxlan_tunnel import VppVxlanTunnel
from vpp_ip import INVALID_INDEX
self.assertEqual(pkt[IP].dst, type(self).mcast_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
+ self.assertEqual(pkt[UDP].dport, self.dport)
+ # Verify UDP checksum
+ self.assert_udp_checksum_valid(pkt)
# Verify VNI
self.assertEqual(pkt[VXLAN].vni, vni)
@classmethod
- def create_vxlan_flood_test_bd(cls, vni, n_ucast_tunnels):
+ def create_vxlan_flood_test_bd(cls, vni, n_ucast_tunnels, port):
# Create 10 ucast vxlan tunnels under bd
ip_range_start = 10
ip_range_end = ip_range_start + n_ucast_tunnels
next_hop_address = cls.pg0.remote_ip4
for dest_ip4 in ip4_range(next_hop_address, ip_range_start,
ip_range_end):
- # add host route so dest_ip4n will not be resolved
+ # add host route so dest_ip4 will not be resolved
rip = VppIpRoute(cls, dest_ip4, 32,
[VppRoutePath(next_hop_address,
INVALID_INDEX)],
register=False)
rip.add_vpp_config()
- dest_ip4n = socket.inet_pton(socket.AF_INET, dest_ip4)
r = VppVxlanTunnel(cls, src=cls.pg0.local_ip4,
+ src_port=port, dst_port=port,
dst=dest_ip4, vni=vni)
r.add_vpp_config()
cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni)
@classmethod
- def add_del_shared_mcast_dst_load(cls, is_add):
+ def add_del_shared_mcast_dst_load(cls, port, is_add):
"""
add or del tunnels sharing the same mcast dst
to test vxlan ref_count mechanism
vni_end = vni_start + n_shared_dst_tunnels
for vni in range(vni_start, vni_end):
r = VppVxlanTunnel(cls, src=cls.pg0.local_ip4,
+ src_port=port, dst_port=port,
dst=cls.mcast_ip4, mcast_sw_if_index=1, vni=vni)
if is_add:
r.add_vpp_config()
r.remove_vpp_config()
@classmethod
- def add_shared_mcast_dst_load(cls):
- cls.add_del_shared_mcast_dst_load(is_add=1)
+ def add_shared_mcast_dst_load(cls, port):
+ cls.add_del_shared_mcast_dst_load(port=port, is_add=1)
@classmethod
- def del_shared_mcast_dst_load(cls):
- cls.add_del_shared_mcast_dst_load(is_add=0)
+ def del_shared_mcast_dst_load(cls, port):
+ cls.add_del_shared_mcast_dst_load(port=port, is_add=0)
@classmethod
- def add_del_mcast_tunnels_load(cls, is_add):
+ def add_del_mcast_tunnels_load(cls, port, is_add):
"""
add or del tunnels to test vxlan stability
"""
ip_range_end):
vni = bytearray(socket.inet_pton(socket.AF_INET, dest_ip4))[3]
r = VppVxlanTunnel(cls, src=cls.pg0.local_ip4,
+ src_port=port, dst_port=port,
dst=dest_ip4, mcast_sw_if_index=1, vni=vni)
if is_add:
r.add_vpp_config()
r.remove_vpp_config()
@classmethod
- def add_mcast_tunnels_load(cls):
- cls.add_del_mcast_tunnels_load(is_add=1)
+ def add_mcast_tunnels_load(cls, port):
+ cls.add_del_mcast_tunnels_load(port=port, is_add=1)
@classmethod
- def del_mcast_tunnels_load(cls):
- cls.add_del_mcast_tunnels_load(is_add=0)
+ def del_mcast_tunnels_load(cls, port):
+ cls.add_del_mcast_tunnels_load(port=port, is_add=0)
# Class method to start the VXLAN test case.
# Overrides setUpClass method in VppTestCase class.
super(TestVxlan, cls).setUpClass()
try:
- cls.dport = 4789
cls.flags = 0x8
# Create 2 pg interfaces.
# Our Multicast address
cls.mcast_ip4 = '239.1.1.1'
- cls.mcast_ip4n = socket.inet_pton(socket.AF_INET, cls.mcast_ip4)
- iplong = atol(cls.mcast_ip4)
- cls.mcast_mac = "01:00:5e:%02x:%02x:%02x" % (
- (iplong >> 16) & 0x7F, (iplong >> 8) & 0xFF, iplong & 0xFF)
-
+ cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4)
except Exception:
- super(TestVxlan, cls).tearDownClass()
+ cls.tearDownClass()
raise
@classmethod
def setUp(self):
super(TestVxlan, self).setUp()
+
+ def createVxLANInterfaces(self, port=4789):
# Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1
# into BD.
+ self.dport = port
+
+ self.single_tunnel_vni = 0x12345
self.single_tunnel_bd = 1
r = VppVxlanTunnel(self, src=self.pg0.local_ip4,
- dst=self.pg0.remote_ip4, vni=self.single_tunnel_bd)
+ dst=self.pg0.remote_ip4,
+ src_port=self.dport, dst_port=self.dport,
+ vni=self.single_tunnel_vni)
r.add_vpp_config()
self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
bd_id=self.single_tunnel_bd)
self.n_ucast_tunnels = 10
self.mcast_flood_bd = 2
self.create_vxlan_flood_test_bd(self.mcast_flood_bd,
- self.n_ucast_tunnels)
+ self.n_ucast_tunnels,
+ self.dport)
r = VppVxlanTunnel(self, src=self.pg0.local_ip4, dst=self.mcast_ip4,
+ src_port=self.dport, dst_port=self.dport,
mcast_sw_if_index=1, vni=self.mcast_flood_bd)
r.add_vpp_config()
self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
rx_sw_if_index=self.pg2.sw_if_index, bd_id=self.mcast_flood_bd)
# Add and delete mcast tunnels to check stability
- self.add_shared_mcast_dst_load()
- self.add_mcast_tunnels_load()
- self.del_shared_mcast_dst_load()
- self.del_mcast_tunnels_load()
+ self.add_shared_mcast_dst_load(self.dport)
+ self.add_mcast_tunnels_load(self.dport)
+ self.del_shared_mcast_dst_load(self.dport)
+ self.del_mcast_tunnels_load(self.dport)
# Setup vni 3 to test unicast flooding
self.ucast_flood_bd = 3
self.create_vxlan_flood_test_bd(self.ucast_flood_bd,
- self.n_ucast_tunnels)
+ self.n_ucast_tunnels,
+ self.dport)
self.vapi.sw_interface_set_l2_bridge(
rx_sw_if_index=self.pg3.sw_if_index, bd_id=self.ucast_flood_bd)
- def test_decap(self):
- """ Decapsulation test
- from BridgeDoman
- """
- super(TestVxlan, self).test_decap()
-
- def test_encap_big_packet(self):
- """ Encapsulation test send big frame from pg1
- Verify receipt of encapsulated frames on pg0
- """
+ # Set scapy listen custom port for VxLAN
+ bind_layers(UDP, VXLAN, dport=self.dport)
+ def encap_big_packet(self):
self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [1500, 0, 0, 0])
frame = (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') /
ether = out[0]
pkt = reassemble4(out)
pkt = ether / pkt
- self.check_encapsulation(pkt, self.single_tunnel_bd)
+ self.check_encapsulation(pkt, self.single_tunnel_vni)
payload = self.decapsulate(pkt)
# TODO: Scapy bug?
# self.assert_eq_pkts(payload, frame)
+ """
+ Tests with default port (4789)
+ """
+ def test_decap(self):
+ """ Decapsulation test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlan, self).test_decap()
+
+ def test_encap(self):
+ """ Encapsulation test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlan, self).test_encap()
+
+ def test_encap_big_packet(self):
+ """ Encapsulation test send big frame from pg1
+ Verify receipt of encapsulated frames on pg0
+ """
+ self.createVxLANInterfaces()
+ self.encap_big_packet()
+
+ def test_ucast_flood(self):
+ """ Unicast flood test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlan, self).test_ucast_flood()
+
+ def test_mcast_flood(self):
+ """ Multicast flood test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlan, self).test_mcast_flood()
+
+ def test_mcast_rcv(self):
+ """ Multicast receive test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlan, self).test_mcast_rcv()
+
+ """
+ Tests with custom port
+ """
+ def test_decap_custom_port(self):
+ """ Decapsulation test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1111)
+ super(TestVxlan, self).test_decap()
+
+ def test_encap_custom_port(self):
+ """ Encapsulation test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1111)
+ super(TestVxlan, self).test_encap()
+
+ def test_ucast_flood_custom_port(self):
+ """ Unicast flood test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1111)
+ super(TestVxlan, self).test_ucast_flood()
+
+ def test_mcast_flood_custom_port(self):
+ """ Multicast flood test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1111)
+ super(TestVxlan, self).test_mcast_flood()
+
+ def test_mcast_rcv_custom_port(self):
+ """ Multicast receive test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1111)
+ super(TestVxlan, self).test_mcast_rcv()
+
# 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.logger.info(self.vapi.cli("show vxlan tunnel"))
+class TestVxlan2(VppTestCase):
+ """ VXLAN Test Case """
+ def setUp(self):
+ super(TestVxlan2, self).setUp()
+
+ # Create 2 pg interfaces.
+ self.create_pg_interfaces(range(4))
+ for pg in self.pg_interfaces:
+ pg.admin_up()
+
+ # Configure IPv4 addresses on VPP pg0.
+ self.pg0.config_ip4()
+ self.pg0.resolve_arp()
+
+ def tearDown(self):
+ super(TestVxlan2, self).tearDown()
+
+ def test_xconnect(self):
+ """ VXLAN source address not local """
+
+ #
+ # test the broken configuration of a VXLAN tunnel whose
+ # source address is not local ot the box. packets sent
+ # through the tunnel should be dropped
+ #
+ t = VppVxlanTunnel(self,
+ src="10.0.0.5",
+ dst=self.pg0.local_ip4,
+ vni=1000)
+ t.add_vpp_config()
+ t.admin_up()
+
+ self.vapi.sw_interface_set_l2_xconnect(t.sw_if_index,
+ self.pg1.sw_if_index,
+ enable=1)
+ self.vapi.sw_interface_set_l2_xconnect(self.pg1.sw_if_index,
+ t.sw_if_index,
+ enable=1)
+
+ p = (Ether(src="00:11:22:33:44:55",
+ dst="00:00:00:11:22:33") /
+ IP(src="4.3.2.1", dst="1.2.3.4") /
+ UDP(sport=20000, dport=10000) /
+ Raw(b'\xa5' * 1450))
+
+ rx = self.send_and_assert_no_replies(self.pg1, [p])
+
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff