-#!/usr/bin/env python
+#!/usr/bin/env python3
import unittest
+from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
from vpp_udp_encap import find_udp_encap, VppUdpEncap
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, VppMplsLabel, \
- FibPathType
+from vpp_udp_decap import VppUdpDecap
+from vpp_ip_route import (
+ VppIpRoute,
+ VppRoutePath,
+ VppIpTable,
+ VppMplsLabel,
+ VppMplsTable,
+ VppMplsRoute,
+ FibPathType,
+ FibPathProto,
+)
+from vpp_neighbor import VppNeighbor
+from vpp_papi import VppEnum
from scapy.packet import Raw
from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP
+from scapy.layers.inet import IP, UDP, ICMP
from scapy.layers.inet6 import IPv6
from scapy.contrib.mpls import MPLS
NUM_PKTS = 67
+@tag_fixme_vpp_workers
class TestUdpEncap(VppTestCase):
- """ UDP Encap Test Case """
+ """UDP Encap Test Case"""
@classmethod
def setUpClass(cls):
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()
else:
self.assertEqual(rx[IP].ttl, tx[IP].ttl)
- def validate_inner6(self, rx, tx):
+ def validate_inner6(self, rx, tx, hlim=None):
self.assertEqual(rx.src, tx[IPv6].src)
self.assertEqual(rx.dst, tx[IPv6].dst)
- self.assertEqual(rx.hlim, tx[IPv6].hlim)
+ if hlim:
+ self.assertEqual(rx.hlim, hlim)
+ else:
+ self.assertEqual(rx.hlim, tx[IPv6].hlim)
def test_udp_encap(self):
- """ UDP Encap test
- """
+ """UDP Encap test"""
#
# construct a UDP encap object through each of the peers
# v4 through the first two peers, v6 through the second.
+ # The last encap is v4 and is used to check the codepath
+ # where 2 different udp encap objects are processed at the
+ # same time
#
- udp_encap_0 = VppUdpEncap(self,
- self.pg0.local_ip4,
- self.pg0.remote_ip4,
- 330, 440)
- udp_encap_1 = VppUdpEncap(self,
- self.pg1.local_ip4,
- self.pg1.remote_ip4,
- 331, 441,
- table_id=1)
- udp_encap_2 = VppUdpEncap(self,
- self.pg2.local_ip6,
- self.pg2.remote_ip6,
- 332, 442,
- table_id=2)
- udp_encap_3 = VppUdpEncap(self,
- self.pg3.local_ip6,
- self.pg3.remote_ip6,
- 333, 443,
- table_id=3)
+ udp_encap_0 = VppUdpEncap(
+ self, self.pg0.local_ip4, self.pg0.remote_ip4, 330, 440
+ )
+ udp_encap_1 = VppUdpEncap(
+ self, self.pg1.local_ip4, self.pg1.remote_ip4, 331, 441, table_id=1
+ )
+ udp_encap_2 = VppUdpEncap(
+ self, self.pg2.local_ip6, self.pg2.remote_ip6, 332, 442, table_id=2
+ )
+ udp_encap_3 = VppUdpEncap(
+ self, self.pg3.local_ip6, self.pg3.remote_ip6, 333, 443, table_id=3
+ )
+ udp_encap_4 = VppUdpEncap(
+ self, self.pg0.local_ip4, self.pg0.remote_ip4, 334, 444
+ )
udp_encap_0.add_vpp_config()
udp_encap_1.add_vpp_config()
udp_encap_2.add_vpp_config()
udp_encap_3.add_vpp_config()
+ udp_encap_4.add_vpp_config()
self.logger.info(self.vapi.cli("sh udp encap"))
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))
+ self.assertTrue(find_udp_encap(self, udp_encap_4))
#
# 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,
- type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
- next_hop_id=udp_encap_0.id)])
+ self,
+ "1.1.0.1",
+ 24,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_0.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ table_id=1,
+ )
+ # specific route to match encap4, to test encap of 2 packets using 2
+ # different encap
+ route_4o4_2 = VppIpRoute(
+ self,
+ "1.1.0.2",
+ 32,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_4.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ table_id=1,
+ )
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)])
+ 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,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
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)])
+ self,
+ "2001::1",
+ 128,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_1.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
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)])
+ self,
+ "2001::3",
+ 128,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
+ next_hop_id=udp_encap_3.id,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
+ )
+ ],
+ )
route_4o6.add_vpp_config()
route_6o6.add_vpp_config()
route_6o4.add_vpp_config()
route_4o4.add_vpp_config()
+ route_4o4_2.add_vpp_config()
#
# 4o4 encap
+ # we add a single packet matching the last encap at the beginning of
+ # the packet vector so that we encap 2 packets with different udp
+ # encap object at the same time
#
- p_4o4 = (Ether(src=self.pg0.remote_mac,
- 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, p_4o4*NUM_PKTS, self.pg0)
+ p_4o4 = (
+ Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ / IP(src="2.2.2.2", dst="1.1.0.1")
+ / UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ p_4o4_2 = (
+ Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ / IP(src="2.2.2.2", dst="1.1.0.2")
+ / UDP(sport=1234, dport=1234)
+ / Raw(b"\xa5" * 100)
+ )
+ rx = self.send_and_expect(
+ self.pg1, p_4o4_2 * 1 + p_4o4 * (NUM_PKTS - 1), self.pg0
+ )
+ # checking encap4 magic packet
+ p = rx.pop(0)
+ self.validate_outer4(p, udp_encap_4)
+ p = IP(p["UDP"].payload.load)
+ self.validate_inner4(p, p_4o4_2)
+ self.assertEqual(udp_encap_4.get_stats()["packets"], 1)
+ # checking remaining packets for encap0
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)
+ self.assertEqual(udp_encap_0.get_stats()["packets"], NUM_PKTS - 1)
#
# 4o6 encap
#
- p_4o6 = (Ether(src=self.pg0.remote_mac,
- 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, p_4o6*NUM_PKTS, self.pg2)
+ p_4o6 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src="2.2.2.2", dst="1.1.2.1")
+ / UDP(sport=1234, dport=1234)
+ / 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)
+ self.assertEqual(udp_encap_2.get_stats()["packets"], NUM_PKTS)
#
# 6o4 encap
#
- p_6o4 = (Ether(src=self.pg0.remote_mac,
- 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, p_6o4*NUM_PKTS, self.pg1)
+ p_6o4 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="2001::100", dst="2001::1")
+ / UDP(sport=1234, dport=1234)
+ / 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)
+ self.assertEqual(udp_encap_1.get_stats()["packets"], NUM_PKTS)
#
# 6o6 encap
#
- p_6o6 = (Ether(src=self.pg0.remote_mac,
- 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, p_6o6*NUM_PKTS, self.pg3)
+ p_6o6 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IPv6(src="2001::100", dst="2001::3")
+ / UDP(sport=1234, dport=1234)
+ / 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)
+ 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,
- type=FibPathType.FIB_PATH_TYPE_UDP_ENCAP,
- next_hop_id=1,
- labels=[VppMplsLabel(66)])])
+ 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, p_4omo4*NUM_PKTS, self.pg1)
+ 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(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)
+ self.assertEqual(udp_encap_1.get_stats()["packets"], 2 * NUM_PKTS)
+
+ def test_udp_decap(self):
+ """UDP Decap test"""
+ #
+ # construct a UDP decap object for each type of protocol
+ #
+
+ # IPv4
+ udp_api_proto = VppEnum.vl_api_udp_decap_next_proto_t
+ next_proto = udp_api_proto.UDP_API_DECAP_PROTO_IP4
+ udp_decap_0 = VppUdpDecap(self, 1, 220, next_proto)
+
+ # IPv6
+ next_proto = udp_api_proto.UDP_API_DECAP_PROTO_IP6
+ udp_decap_1 = VppUdpDecap(self, 0, 221, next_proto)
+
+ # MPLS
+ next_proto = udp_api_proto.UDP_API_DECAP_PROTO_MPLS
+ udp_decap_2 = VppUdpDecap(self, 1, 222, next_proto)
+
+ udp_decap_0.add_vpp_config()
+ udp_decap_1.add_vpp_config()
+ udp_decap_2.add_vpp_config()
+ #
+ # Routes via the corresponding pg after the UDP decap
+ #
+ route_4 = VppIpRoute(
+ self,
+ "1.1.1.1",
+ 32,
+ [VppRoutePath("0.0.0.0", self.pg0.sw_if_index)],
+ table_id=0,
+ )
+
+ route_6 = VppIpRoute(
+ self, "2001::1", 128, [VppRoutePath("::", self.pg1.sw_if_index)], table_id=1
+ )
+
+ route_mo4 = VppIpRoute(
+ self,
+ "3.3.3.3",
+ 32,
+ [VppRoutePath("0.0.0.0", self.pg2.sw_if_index)],
+ table_id=2,
+ )
+
+ route_4.add_vpp_config()
+ route_6.add_vpp_config()
+ route_mo4.add_vpp_config()
+
+ #
+ # Adding neighbors to route the packets
+ #
+ n_4 = VppNeighbor(self, self.pg0.sw_if_index, "00:11:22:33:44:55", "1.1.1.1")
+ n_6 = VppNeighbor(self, self.pg1.sw_if_index, "11:22:33:44:55:66", "2001::1")
+ n_mo4 = VppNeighbor(self, self.pg2.sw_if_index, "22:33:44:55:66:77", "3.3.3.3")
+
+ n_4.add_vpp_config()
+ n_6.add_vpp_config()
+ n_mo4.add_vpp_config()
+ #
+ # MPLS decapsulation config
+ #
+ mpls_table = VppMplsTable(self, 0)
+ mpls_table.add_vpp_config()
+ mpls_route = VppMplsRoute(
+ self,
+ 77,
+ 1,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ 0xFFFFFFFF,
+ nh_table_id=2,
+ proto=FibPathProto.FIB_PATH_NH_PROTO_IP4,
+ )
+ ],
+ )
+ mpls_route.add_vpp_config()
+
+ #
+ # UDP over ipv4 decap
+ #
+ p_4 = (
+ Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4)
+ / UDP(sport=1111, dport=220)
+ / IP(src="2.2.2.2", dst="1.1.1.1")
+ / UDP(sport=1234, dport=4321)
+ / Raw(b"\xa5" * 100)
+ )
+
+ rx = self.send_and_expect(self.pg0, p_4 * NUM_PKTS, self.pg0)
+ p_4 = IP(p_4["UDP"].payload)
+ for p in rx:
+ p = IP(p["Ether"].payload)
+ self.validate_inner4(p, p_4, ttl=63)
+
+ #
+ # UDP over ipv6 decap
+ #
+ p_6 = (
+ Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac)
+ / IPv6(src=self.pg1.remote_ip6, dst=self.pg1.local_ip6)
+ / UDP(sport=2222, dport=221)
+ / IPv6(src="2001::100", dst="2001::1")
+ / UDP(sport=1234, dport=4321)
+ / Raw(b"\xa5" * 100)
+ )
+
+ rx = self.send_and_expect(self.pg1, p_6 * NUM_PKTS, self.pg1)
+ p_6 = IPv6(p_6["UDP"].payload)
+ p = IPv6(rx[0]["Ether"].payload)
+ for p in rx:
+ p = IPv6(p["Ether"].payload)
+ self.validate_inner6(p, p_6, hlim=63)
+
+ #
+ # UDP over mpls decap
+ #
+ p_mo4 = (
+ Ether(src=self.pg2.remote_mac, dst=self.pg2.local_mac)
+ / IP(src=self.pg2.remote_ip4, dst=self.pg2.local_ip4)
+ / UDP(sport=3333, dport=222)
+ / MPLS(label=77, ttl=1)
+ / IP(src="4.4.4.4", dst="3.3.3.3")
+ / UDP(sport=1234, dport=4321)
+ / Raw(b"\xa5" * 100)
+ )
+
+ self.pg2.enable_mpls()
+ rx = self.send_and_expect(self.pg2, p_mo4 * NUM_PKTS, self.pg2)
+ self.pg2.disable_mpls()
+ p_mo4 = IP(MPLS(p_mo4["UDP"].payload).payload)
+ for p in rx:
+ p = IP(p["Ether"].payload)
+ self.validate_inner4(p, p_mo4, ttl=63)
+
+
+@tag_fixme_vpp_workers
class TestUDP(VppTestCase):
- """ UDP Test Case """
+ """UDP Test Case"""
@classmethod
def setUpClass(cls):
def setUp(self):
super(TestUDP, self).setUp()
- self.vapi.session_enable_disable(is_enabled=1)
+ self.vapi.session_enable_disable(is_enable=1)
self.create_loopback_interfaces(2)
table_id = 0
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)
+ self.vapi.app_namespace_add_del(
+ namespace_id="0", sw_if_index=self.loop0.sw_if_index
+ )
+ self.vapi.app_namespace_add_del(
+ namespace_id="1", 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)
+ self.vapi.session_enable_disable(is_enable=0)
super(TestUDP, self).tearDown()
def test_udp_transfer(self):
- """ UDP echo client/server transfer """
+ """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 = 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)
+ 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)
+ 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)
+ self.logger.debug(self.vapi.cli("show session verbose 2"))
+
# Delete inter-table routes
ip_t01.remove_vpp_config()
ip_t10.remove_vpp_config()
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff