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<#!/usr/bin/env python
""" VAPI test """
import unittest
import os
import signal
from framework import VppTestCase, running_extended_tests, \
running_on_centos, VppTestRunner, Worker
@unittest.skipUnless(running_extended_tests, "part of extended tests")
class VAPITestCase(VppTestCase):
""" VAPI test """
@classmethod
def setUpClass(
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#!/usr/bin/env python3
""" 6RD RFC5969 functional tests """
import unittest
from scapy.layers.inet import IP, UDP, Ether
from scapy.layers.inet6 import IPv6
from scapy.packet import Raw
from framework import VppTestCase, VppTestRunner
from vpp_ip import DpoProto
from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, FibPathProto
from socket import AF_INET, AF_INET6, inet_pton
""" Test6rd is a subclass of VPPTestCase classes.
6RD tests.
"""
class Test6RD(VppTestCase):
""" 6RD Test Case """
@classmethod
def setUpClass(cls):
super(Test6RD, cls).setUpClass()
cls.create_pg_interfaces(range(4))
cls.interfaces = list(cls.pg_interfaces)
@classmethod
def tearDownClass(cls):
super(Test6RD, cls).tearDownClass()
def setUp(self):
super(Test6RD, self).setUp()
t4 = VppIpTable(self, 10)
t6 = VppIpTable(self, 20, True)
t4.add_vpp_config()
t6.add_vpp_config()
for n in range(4):
i = self.pg_interfaces[n]
i.admin_up()
if (n > 1):
i.set_table_ip4(10)
i.set_table_ip6(20)
i.config_ip4()
i.config_ip6()
i.disable_ipv6_ra()
i.resolve_arp()
i.resolve_ndp()
def tearDown(self):
for i in self.pg_interfaces:
i.unconfig_ip4()
i.unconfig_ip6()
i.set_table_ip4(0)
i.set_table_ip6(0)
i.admin_down()
super(Test6RD, self).tearDown()
def validate_6in4(self, rx, expected):
if IP not in rx:
self.fail()
if IPv6 not in rx:
self.fail()
self.assertEqual(rx[IP].src, expected[IP].src)
self.assertEqual(rx[IP].dst, expected[IP].dst)
self.assertEqual(rx[IP].proto, expected[IP].proto)
self.assertEqual(rx[IPv6].src, expected[IPv6].src)
self.assertEqual(rx[IPv6].dst, expected[IPv6].dst)
def validate_4in6(self, rx, expected):
if IPv6 not in rx:
self.fail()
if IP in rx:
self.fail()
self.assertEqual(rx[IPv6].src, expected[IPv6].src)
self.assertEqual(rx[IPv6].dst, expected[IPv6].dst)
self.assertEqual(rx[IPv6].nh, expected[IPv6].nh)
def payload(self, len):
return 'x' * len
def test_6rd_ip6_to_ip4(self):
""" ip6 -> ip4 (encap) 6rd test """
p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1", nh='UDP')
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg0.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
self.vapi.cli("show ip6 fib")
p_payload = UDP(sport=1234, dport=1234)
p = (p_ether / p_ip6 / p_payload)
p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
proto='ipv6') / p_ip6)
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_6in4(p, p_reply)
# MTU tests (default is 1480)
plen = 1481 - 40 - 8
p_ip6 = IPv6(src="1::1", dst="2002:AC10:0202::1")
p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen))
p = (p_ether / p_ip6 / p_payload)
p_reply = (IP(src=self.pg0.local_ip4, dst=self.pg1.remote_ip4,
proto='ipv6') / p_ip6)
rx = self.send_and_assert_no_replies(self.pg0, p * 10)
self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
def test_6rd_ip6_to_ip4_vrf(self):
""" ip6 -> ip4 (encap) 6rd VRF test """
p_ether = Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
p_ip6 = IPv6(src="1::1", dst="2002:AC10:0402::1", nh='UDP')
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=20, ip4_table_id=10,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg2.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
self.vapi.cli("show ip6 fib")
p_payload = UDP(sport=1234, dport=1234)
p = (p_ether / p_ip6 / p_payload)
p_reply = (IP(src=self.pg2.local_ip4, dst=self.pg3.remote_ip4,
proto='ipv6') / p_ip6)
rx = self.send_and_expect(self.pg2, p * 10, self.pg3)
for p in rx:
self.validate_6in4(p, p_reply)
# MTU tests (default is 1480)
plen = 1481 - 40 - 8
p_ip6 = IPv6(src="1::1", dst="2002:AC10:0402::1")
p_payload = UDP(sport=1234, dport=1234) / Raw(self.payload(plen))
p = (p_ether / p_ip6 / p_payload)
p_reply = (IP(src=self.pg2.local_ip4, dst=self.pg3.remote_ip4,
proto='ipv6') / p_ip6)
rx = self.send_and_assert_no_replies(self.pg0, p * 10)
self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
def test_6rd_ip4_to_ip6(self):
""" ip4 -> ip6 (decap) 6rd test """
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg0.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg0.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
UDP(sport=1234, dport=1234))
p = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac) /
IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
p_ip6)
p_reply = p_ip6
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_4in6(p, p_reply)
self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
def test_6rd_ip4_to_ip6_vrf(self):
""" ip4 -> ip6 (decap) 6rd VRF test """
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=20,
ip4_table_id=10,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg2.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
rv = self.vapi.ipip_6rd_del_tunnel(rv.sw_if_index)
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=20,
ip4_table_id=10,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg2.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
self.vapi.sw_interface_set_table(self.tunnel_index, 1, 20)
p_ip6 = (IPv6(src="2002:AC10:0402::1", dst=self.pg3.remote_ip6) /
UDP(sport=1234, dport=1234))
p = (Ether(src=self.pg2.remote_mac,
dst=self.pg2.local_mac) /
IP(src=self.pg3.remote_ip4, dst=self.pg2.local_ip4) /
p_ip6)
p_reply = p_ip6
rx = self.send_and_expect(self.pg2, p * 10, self.pg3)
for p in rx:
self.validate_4in6(p, p_reply)
self.vapi.sw_interface_set_table(self.tunnel_index, 1, 0)
self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
def test_6rd_ip4_to_ip6_multiple(self):
""" ip4 -> ip6 (decap) 6rd test """
self.tunnel_index = []
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg0.local_ip4,
security_check=True)
self.tunnel_index.append(rv.sw_if_index)
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2003::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg1.local_ip4,
security_check=True)
self.tunnel_index.append(rv.sw_if_index)
self.vapi.cli("show ip6 fib")
p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
p_ip6_1 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
UDP(sport=1234, dport=1234))
p_ip6_2 = (IPv6(src="2003:AC10:0202::1", dst=self.pg1.remote_ip6) /
UDP(sport=1234, dport=1234))
p = (p_ether / p_ip4 / p_ip6_1)
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_4in6(p, p_ip6_1)
p = (p_ether / p_ip4 / p_ip6_2)
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_4in6(p, p_ip6_2)
for i in self.tunnel_index:
self.vapi.ipip_6rd_del_tunnel(i)
def test_6rd_ip4_to_ip6_suffix(self):
""" ip4 -> ip6 (decap) 6rd test """
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2002::/16',
ip4_prefix='172.0.0.0/8',
ip4_src=self.pg0.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
self.vapi.cli("show ip6 fib")
p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
p_ip4 = IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4)
p_ip6 = (IPv6(src="2002:1002:0200::1", dst=self.pg1.remote_ip6) /
UDP(sport=1234, dport=1234))
p = (p_ether / p_ip4 / p_ip6)
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_4in6(p, p_ip6)
self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
def test_6rd_ip4_to_ip6_sec_check(self):
""" ip4 -> ip6 (decap) security check 6rd test """
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg0.local_ip4,
security_check=True)
self.tunnel_index = rv.sw_if_index
self.vapi.cli("show ip6 fib")
p_ip6 = (IPv6(src="2002:AC10:0202::1", dst=self.pg1.remote_ip6) /
UDP(sport=1234, dport=1234))
p_ip6_fail = (IPv6(src="2002:DEAD:0202::1", dst=self.pg1.remote_ip6) /
UDP(sport=1234, dport=1234))
p = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac) /
IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
p_ip6)
p_reply = p_ip6
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_4in6(p, p_reply)
p = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac) /
IP(src=self.pg1.remote_ip4, dst=self.pg0.local_ip4) /
p_ip6_fail)
rx = self.send_and_assert_no_replies(self.pg0, p * 10)
self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
def test_6rd_bgp_tunnel(self):
""" 6rd BGP tunnel """
rv = self.vapi.ipip_6rd_add_tunnel(ip6_table_id=0,
ip4_table_id=0,
ip6_prefix='2002::/16',
ip4_prefix='0.0.0.0/0',
ip4_src=self.pg0.local_ip4,
security_check=False)
self.tunnel_index = rv.sw_if_index
default_route = VppIpRoute(self, "DEAD::", 16,
[VppRoutePath("2002:0808:0808::",
self.tunnel_index)])
default_route.add_vpp_config()
ip4_route = VppIpRoute(self, "8.0.0.0", 8,
[VppRoutePath(self.pg1.remote_ip4, 0xFFFFFFFF)])
ip4_route.add_vpp_config()
# Via recursive route 6 -> 4
p = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac) /
IPv6(src="1::1", dst="DEAD:BEEF::1") /
UDP(sport=1234, dport=1234))
p_reply = (IP(src=self.pg0.local_ip4, dst="8.8.8.8",
proto='ipv6') /
IPv6(src='1::1', dst='DEAD:BEEF::1', nh='UDP'))
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_6in4(p, p_reply)
# Via recursive route 4 -> 6 (Security check must be disabled)
p_ip6 = (IPv6(src="DEAD:BEEF::1", dst=self.pg1.remote_ip6) /
UDP(sport=1234, dport=1234))
p = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac) /
IP(src="8.8.8.8", dst=self.pg0.local_ip4) /
p_ip6)
p_reply = p_ip6
rx = self.send_and_expect(self.pg0, p * 10, self.pg1)
for p in rx:
self.validate_4in6(p, p_reply)
ip4_route.remove_vpp_config()
default_route.remove_vpp_config()
self.vapi.ipip_6rd_del_tunnel(self.tunnel_index)
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
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