import struct
from framework import VppTestCase, VppTestRunner, running_extended_tests
+from vpp_ip_route import VppIpRoute, VppRoutePath, DpoProto
from scapy.layers.inet import IP, TCP, UDP, ICMP
from scapy.layers.inet import IPerror, TCPerror, UDPerror, ICMPerror
from scapy.layers.inet6 import IPv6, ICMPv6EchoRequest, ICMPv6EchoReply
self.logger.info(self.vapi.cli("show nat64 session table all"))
self.clear_nat64()
+
+class TestDSlite(MethodHolder):
+ """ DS-Lite Test Cases """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestDSlite, cls).setUpClass()
+
+ try:
+ cls.nat_addr = '10.0.0.3'
+ cls.nat_addr_n = socket.inet_pton(socket.AF_INET, cls.nat_addr)
+
+ cls.create_pg_interfaces(range(2))
+ cls.pg0.admin_up()
+ cls.pg0.config_ip4()
+ cls.pg0.resolve_arp()
+ cls.pg1.admin_up()
+ cls.pg1.config_ip6()
+ cls.pg1.generate_remote_hosts(2)
+ cls.pg1.configure_ipv6_neighbors()
+
+ except Exception:
+ super(TestDSlite, cls).tearDownClass()
+ raise
+
+ def test_dslite(self):
+ """ Test DS-Lite """
+ self.vapi.dslite_add_del_pool_addr_range(self.nat_addr_n,
+ self.nat_addr_n)
+ aftr_ip4 = '192.0.0.1'
+ aftr_ip4_n = socket.inet_pton(socket.AF_INET, aftr_ip4)
+ aftr_ip6 = '2001:db8:85a3::8a2e:370:1'
+ aftr_ip6_n = socket.inet_pton(socket.AF_INET6, aftr_ip6)
+ self.vapi.dslite_set_aftr_addr(aftr_ip6_n, aftr_ip4_n)
+
+ # UDP
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst=aftr_ip6, src=self.pg1.remote_hosts[0].ip6) /
+ IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
+ UDP(sport=20000, dport=10000))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ capture = capture[0]
+ self.assertFalse(capture.haslayer(IPv6))
+ self.assertEqual(capture[IP].src, self.nat_addr)
+ self.assertEqual(capture[IP].dst, self.pg0.remote_ip4)
+ self.assertNotEqual(capture[UDP].sport, 20000)
+ self.assertEqual(capture[UDP].dport, 10000)
+ self.check_ip_checksum(capture)
+ out_port = capture[UDP].sport
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(dst=self.nat_addr, src=self.pg0.remote_ip4) /
+ UDP(sport=10000, dport=out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, aftr_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[0].ip6)
+ self.assertEqual(capture[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(capture[IP].dst, '192.168.1.1')
+ self.assertEqual(capture[UDP].sport, 10000)
+ self.assertEqual(capture[UDP].dport, 20000)
+ self.check_ip_checksum(capture)
+
+ # TCP
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst=aftr_ip6, src=self.pg1.remote_hosts[1].ip6) /
+ IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
+ TCP(sport=20001, dport=10001))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ capture = capture[0]
+ self.assertFalse(capture.haslayer(IPv6))
+ self.assertEqual(capture[IP].src, self.nat_addr)
+ self.assertEqual(capture[IP].dst, self.pg0.remote_ip4)
+ self.assertNotEqual(capture[TCP].sport, 20001)
+ self.assertEqual(capture[TCP].dport, 10001)
+ self.check_ip_checksum(capture)
+ self.check_tcp_checksum(capture)
+ out_port = capture[TCP].sport
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(dst=self.nat_addr, src=self.pg0.remote_ip4) /
+ TCP(sport=10001, dport=out_port))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, aftr_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[1].ip6)
+ self.assertEqual(capture[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(capture[IP].dst, '192.168.1.1')
+ self.assertEqual(capture[TCP].sport, 10001)
+ self.assertEqual(capture[TCP].dport, 20001)
+ self.check_ip_checksum(capture)
+ self.check_tcp_checksum(capture)
+
+ # ICMP
+ p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
+ IPv6(dst=aftr_ip6, src=self.pg1.remote_hosts[1].ip6) /
+ IP(dst=self.pg0.remote_ip4, src='192.168.1.1') /
+ ICMP(id=4000, type='echo-request'))
+ self.pg1.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg0.get_capture(1)
+ capture = capture[0]
+ self.assertFalse(capture.haslayer(IPv6))
+ self.assertEqual(capture[IP].src, self.nat_addr)
+ self.assertEqual(capture[IP].dst, self.pg0.remote_ip4)
+ self.assertNotEqual(capture[ICMP].id, 4000)
+ self.check_ip_checksum(capture)
+ self.check_icmp_checksum(capture)
+ out_id = capture[ICMP].id
+
+ p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(dst=self.nat_addr, src=self.pg0.remote_ip4) /
+ ICMP(id=out_id, type='echo-reply'))
+ self.pg0.add_stream(p)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ capture = self.pg1.get_capture(1)
+ capture = capture[0]
+ self.assertEqual(capture[IPv6].src, aftr_ip6)
+ self.assertEqual(capture[IPv6].dst, self.pg1.remote_hosts[1].ip6)
+ self.assertEqual(capture[IP].src, self.pg0.remote_ip4)
+ self.assertEqual(capture[IP].dst, '192.168.1.1')
+ self.assertEqual(capture[ICMP].id, 4000)
+ self.check_ip_checksum(capture)
+ self.check_icmp_checksum(capture)
+
+ def tearDown(self):
+ super(TestDSlite, self).tearDown()
+ if not self.vpp_dead:
+ self.logger.info(self.vapi.cli("show dslite pool"))
+ self.logger.info(
+ self.vapi.cli("show dslite aftr-tunnel-endpoint-address"))
+ self.logger.info(self.vapi.cli("show dslite sessions"))
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff