-#!/usr/bin/env python
-
+#!/usr/bin/env python3
+import unittest
from framework import VppTestCase, VppTestRunner
-from vpp_udp_encap import *
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable
+
+from vpp_udp_encap import find_udp_encap, VppUdpEncap
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, VppMplsLabel, \
+ FibPathType
from scapy.packet import Raw
-from scapy.layers.l2 import Ether, ARP
+from scapy.layers.l2 import Ether
from scapy.layers.inet import IP, UDP
from scapy.layers.inet6 import IPv6
from scapy.contrib.mpls import MPLS
+NUM_PKTS = 67
+
class TestUdpEncap(VppTestCase):
""" UDP Encap Test Case """
+ @classmethod
+ def setUpClass(cls):
+ super(TestUdpEncap, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestUdpEncap, cls).tearDownClass()
+
def setUp(self):
super(TestUdpEncap, self).setUp()
for i in self.pg_interfaces:
i.unconfig_ip4()
i.unconfig_ip6()
- i.ip6_disable()
i.set_table_ip4(0)
i.set_table_ip6(0)
i.admin_down()
self.assertEqual(rx[UDP].dport, encap_obj.dst_port)
def validate_inner4(self, rx, tx, ttl=None):
- self.assertEqual(rx.src, tx[IP].src)
- self.assertEqual(rx.dst, tx[IP].dst)
+ self.assertEqual(rx[IP].src, tx[IP].src)
+ self.assertEqual(rx[IP].dst, tx[IP].dst)
if ttl:
- self.assertEqual(rx.ttl, ttl)
+ self.assertEqual(rx[IP].ttl, ttl)
else:
- self.assertEqual(rx.ttl, tx[IP].ttl)
+ self.assertEqual(rx[IP].ttl, tx[IP].ttl)
def validate_inner6(self, rx, tx):
self.assertEqual(rx.src, tx[IPv6].src)
self.assertEqual(rx.dst, tx[IPv6].dst)
self.assertEqual(rx.hlim, tx[IPv6].hlim)
- def send_and_expect(self, input, output, pkts):
- self.vapi.cli("clear trace")
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
- rx = output.get_capture(len(pkts))
- return rx
-
def test_udp_encap(self):
""" UDP Encap test
"""
#
# construct a UDP encap object through each of the peers
- # v4 through the first two peears, v6 through the second.
+ # v4 through the first two peers, v6 through the second.
#
- udp_encap_0 = VppUdpEncap(self, 0,
+ udp_encap_0 = VppUdpEncap(self,
self.pg0.local_ip4,
self.pg0.remote_ip4,
330, 440)
- udp_encap_1 = VppUdpEncap(self, 1,
+ udp_encap_1 = VppUdpEncap(self,
self.pg1.local_ip4,
self.pg1.remote_ip4,
331, 441,
table_id=1)
- udp_encap_2 = VppUdpEncap(self, 2,
+ udp_encap_2 = VppUdpEncap(self,
self.pg2.local_ip6,
self.pg2.remote_ip6,
332, 442,
- table_id=2,
- is_ip6=1)
- udp_encap_3 = VppUdpEncap(self, 3,
+ table_id=2)
+ udp_encap_3 = VppUdpEncap(self,
self.pg3.local_ip6,
self.pg3.remote_ip6,
333, 443,
- table_id=3,
- is_ip6=1)
+ table_id=3)
udp_encap_0.add_vpp_config()
udp_encap_1.add_vpp_config()
udp_encap_2.add_vpp_config()
udp_encap_3.add_vpp_config()
+ self.logger.info(self.vapi.cli("sh udp encap"))
+
+ self.assertTrue(find_udp_encap(self, udp_encap_2))
+ self.assertTrue(find_udp_encap(self, udp_encap_3))
+ self.assertTrue(find_udp_encap(self, udp_encap_0))
+ self.assertTrue(find_udp_encap(self, udp_encap_1))
+
#
# Routes via each UDP encap object - all combinations of v4 and v6.
#
- route_4o4 = VppIpRoute(self, "1.1.0.1", 32,
- [VppRoutePath("0.0.0.0",
- 0xFFFFFFFF,
- is_udp_encap=1,
- next_hop_id=0)])
- route_4o6 = VppIpRoute(self, "1.1.2.1", 32,
- [VppRoutePath("0.0.0.0",
- 0xFFFFFFFF,
- is_udp_encap=1,
- next_hop_id=2)])
- route_6o4 = VppIpRoute(self, "2001::1", 128,
- [VppRoutePath("0.0.0.0",
- 0xFFFFFFFF,
- is_udp_encap=1,
- next_hop_id=1)],
- is_ip6=1)
- route_6o6 = VppIpRoute(self, "2001::3", 128,
- [VppRoutePath("0.0.0.0",
- 0xFFFFFFFF,
- is_udp_encap=1,
- next_hop_id=3)],
- is_ip6=1)
- route_4o4.add_vpp_config()
+ route_4o4 = VppIpRoute(
+ self, "1.1.0.1", 32,
+ [VppRoutePath("0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_0.id)])
+ route_4o6 = VppIpRoute(
+ self, "1.1.2.1", 32,
+ [VppRoutePath("0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_2.id)])
+ route_6o4 = VppIpRoute(
+ self, "2001::1", 128,
+ [VppRoutePath("0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_1.id)])
+ route_6o6 = VppIpRoute(
+ self, "2001::3", 128,
+ [VppRoutePath("0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_3.id)])
route_4o6.add_vpp_config()
route_6o6.add_vpp_config()
route_6o4.add_vpp_config()
+ route_4o4.add_vpp_config()
#
# 4o4 encap
dst=self.pg0.local_mac) /
IP(src="2.2.2.2", dst="1.1.0.1") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- rx = self.send_and_expect(self.pg0, self.pg0, p_4o4*65)
+ Raw(b'\xa5' * 100))
+ rx = self.send_and_expect(self.pg0, p_4o4*NUM_PKTS, self.pg0)
for p in rx:
self.validate_outer4(p, udp_encap_0)
p = IP(p["UDP"].payload.load)
self.validate_inner4(p, p_4o4)
+ self.assertEqual(udp_encap_0.get_stats()['packets'], NUM_PKTS)
#
# 4o6 encap
dst=self.pg0.local_mac) /
IP(src="2.2.2.2", dst="1.1.2.1") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- rx = self.send_and_expect(self.pg0, self.pg2, p_4o6*65)
+ Raw(b'\xa5' * 100))
+ rx = self.send_and_expect(self.pg0, p_4o6*NUM_PKTS, self.pg2)
for p in rx:
self.validate_outer6(p, udp_encap_2)
p = IP(p["UDP"].payload.load)
self.validate_inner4(p, p_4o6)
+ self.assertEqual(udp_encap_2.get_stats()['packets'], NUM_PKTS)
#
# 6o4 encap
dst=self.pg0.local_mac) /
IPv6(src="2001::100", dst="2001::1") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- rx = self.send_and_expect(self.pg0, self.pg1, p_6o4*65)
+ Raw(b'\xa5' * 100))
+ rx = self.send_and_expect(self.pg0, p_6o4*NUM_PKTS, self.pg1)
for p in rx:
self.validate_outer4(p, udp_encap_1)
p = IPv6(p["UDP"].payload.load)
self.validate_inner6(p, p_6o4)
+ self.assertEqual(udp_encap_1.get_stats()['packets'], NUM_PKTS)
#
# 6o6 encap
dst=self.pg0.local_mac) /
IPv6(src="2001::100", dst="2001::3") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- rx = self.send_and_expect(self.pg0, self.pg3, p_6o6*65)
+ Raw(b'\xa5' * 100))
+ rx = self.send_and_expect(self.pg0, p_6o6*NUM_PKTS, self.pg3)
for p in rx:
self.validate_outer6(p, udp_encap_3)
p = IPv6(p["UDP"].payload.load)
self.validate_inner6(p, p_6o6)
+ self.assertEqual(udp_encap_3.get_stats()['packets'], NUM_PKTS)
#
# A route with an output label
# the TTL of the inner packet is decremented on LSP ingress
#
- route_4oMPLSo4 = VppIpRoute(self, "1.1.2.22", 32,
- [VppRoutePath("0.0.0.0",
- 0xFFFFFFFF,
- is_udp_encap=1,
- next_hop_id=1,
- labels=[66])])
+ route_4oMPLSo4 = VppIpRoute(
+ self, "1.1.2.22", 32,
+ [VppRoutePath("0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=1,
+ labels=[VppMplsLabel(66)])])
route_4oMPLSo4.add_vpp_config()
p_4omo4 = (Ether(src=self.pg0.remote_mac,
dst=self.pg0.local_mac) /
IP(src="2.2.2.2", dst="1.1.2.22") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
- rx = self.send_and_expect(self.pg0, self.pg1, p_4omo4*65)
+ Raw(b'\xa5' * 100))
+ rx = self.send_and_expect(self.pg0, p_4omo4*NUM_PKTS, self.pg1)
for p in rx:
self.validate_outer4(p, udp_encap_1)
p = MPLS(p["UDP"].payload.load)
self.validate_inner4(p, p_4omo4, ttl=63)
+ self.assertEqual(udp_encap_1.get_stats()['packets'], 2*NUM_PKTS)
+
+
+class TestUDP(VppTestCase):
+ """ UDP Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestUDP, cls).setUpClass()
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestUDP, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestUDP, self).setUp()
+ self.vapi.session_enable_disable(is_enabled=1)
+ self.create_loopback_interfaces(2)
+
+ table_id = 0
+
+ for i in self.lo_interfaces:
+ i.admin_up()
+
+ if table_id != 0:
+ tbl = VppIpTable(self, table_id)
+ tbl.add_vpp_config()
+
+ i.set_table_ip4(table_id)
+ i.config_ip4()
+ table_id += 1
+
+ # Configure namespaces
+ self.vapi.app_namespace_add_del(namespace_id="0".encode('ascii'),
+ sw_if_index=self.loop0.sw_if_index)
+ self.vapi.app_namespace_add_del(namespace_id="1".encode('ascii'),
+ sw_if_index=self.loop1.sw_if_index)
+
+ def tearDown(self):
+ for i in self.lo_interfaces:
+ i.unconfig_ip4()
+ i.set_table_ip4(0)
+ i.admin_down()
+ self.vapi.session_enable_disable(is_enabled=0)
+ super(TestUDP, self).tearDown()
+
+ def test_udp_transfer(self):
+ """ UDP echo client/server transfer """
+
+ # Add inter-table routes
+ ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=1)])
+ ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
+ [VppRoutePath("0.0.0.0",
+ 0xffffffff,
+ nh_table_id=0)], table_id=1)
+ ip_t01.add_vpp_config()
+ ip_t10.add_vpp_config()
+
+ # Start builtin server and client
+ uri = "udp://" + self.loop0.local_ip4 + "/1234"
+ error = self.vapi.cli("test echo server appns 0 fifo-size 4 no-echo" +
+ "uri " + uri)
+ if error:
+ self.logger.critical(error)
+ self.assertNotIn("failed", error)
+
+ error = self.vapi.cli("test echo client mbytes 10 appns 1 " +
+ "fifo-size 4 no-output test-bytes " +
+ "syn-timeout 2 no-return uri " + uri)
+ if error:
+ self.logger.critical(error)
+ self.assertNotIn("failed", error)
+
+ # Delete inter-table routes
+ ip_t01.remove_vpp_config()
+ ip_t10.remove_vpp_config()
if __name__ == '__main__':
Code Review / vpp.git / blobdiff