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vpp/test/test_udp.py
Dave Wallace cf9356d642 tests: update scapy to version 2.4.5 
- Required for Ubuntu 24.04 LTS jobs
- temporarily disable TestIpsecEsp1 and
  TestIpsecAhAll tests until a patch can
  be added to fix them

Type: test

Change-Id: I1ae7b170117182c3252629bbbb770775e2c496c9
Signed-off-by: Benoît Ganne <bganne@cisco.com>
Signed-off-by: Dave Wallace <dwallacelf@gmail.com>
2024-08-07 09:15:17 +00:00

785 lines
25 KiB
Python
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#!/usr/bin/env python3
import unittest
from framework import VppTestCase
from asfframework import VppTestRunner, tag_fixme_vpp_workers
from vpp_udp_encap import find_udp_encap, VppUdpEncap
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 config import config
from scapy.packet import Raw
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
ENTROPY_PORT_MIN = 0x3 << 14
ENTROPY_PORT_MAX = 0xFFFF
@tag_fixme_vpp_workers
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()
# create 2 pg interfaces
self.create_pg_interfaces(range(4))
# setup interfaces
# assign them different tables.
table_id = 0
self.tables = []
for i in self.pg_interfaces:
i.admin_up()
if table_id != 0:
tbl = VppIpTable(self, table_id)
tbl.add_vpp_config()
self.tables.append(tbl)
tbl = VppIpTable(self, table_id, is_ip6=1)
tbl.add_vpp_config()
self.tables.append(tbl)
i.set_table_ip4(table_id)
i.set_table_ip6(table_id)
i.config_ip4()
i.resolve_arp()
i.config_ip6()
i.resolve_ndp()
table_id += 1
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(TestUdpEncap, self).tearDown()
def validate_outer4(self, rx, encap_obj, sport_entropy=False):
self.assertEqual(rx[IP].src, encap_obj.src_ip_s)
self.assertEqual(rx[IP].dst, encap_obj.dst_ip_s)
if sport_entropy:
self.assert_in_range(rx[UDP].sport, ENTROPY_PORT_MIN, ENTROPY_PORT_MAX)
else:
self.assertEqual(rx[UDP].sport, encap_obj.src_port)
self.assertEqual(rx[UDP].dport, encap_obj.dst_port)
def validate_outer6(self, rx, encap_obj, sport_entropy=False):
self.assertEqual(rx[IPv6].src, encap_obj.src_ip_s)
self.assertEqual(rx[IPv6].dst, encap_obj.dst_ip_s)
if sport_entropy:
self.assert_in_range(rx[UDP].sport, ENTROPY_PORT_MIN, ENTROPY_PORT_MAX)
else:
self.assertEqual(rx[UDP].sport, encap_obj.src_port)
self.assertEqual(rx[UDP].dport, encap_obj.dst_port)
def validate_inner4(self, rx, tx, ttl=None):
self.assertEqual(rx[IP].src, tx[IP].src)
self.assertEqual(rx[IP].dst, tx[IP].dst)
if ttl:
self.assertEqual(rx[IP].ttl, ttl)
else:
self.assertEqual(rx[IP].ttl, tx[IP].ttl)
def validate_inner6(self, rx, tx, hlim=None):
self.assertEqual(rx.src, tx[IPv6].src)
self.assertEqual(rx.dst, tx[IPv6].dst)
if hlim:
self.assertEqual(rx.hlim, hlim)
else:
self.assertEqual(rx.hlim, tx[IPv6].hlim)
def test_udp_encap(self):
"""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_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_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))
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",
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,
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,
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,
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.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 - 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(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
#
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)
#
# 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(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,
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(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)
def test_udp_encap_entropy(self):
"""UDP Encap src port entropy test"""
#
# construct a UDP encap object through each of the peers
# v4 through the first two peers, v6 through the second.
# use zero source port to enable entropy per rfc7510.
#
udp_encap_0 = VppUdpEncap(self, self.pg0.local_ip4, self.pg0.remote_ip4, 0, 440)
udp_encap_1 = VppUdpEncap(
self, self.pg1.local_ip4, self.pg1.remote_ip4, 0, 441, table_id=1
)
udp_encap_2 = VppUdpEncap(
self, self.pg2.local_ip6, self.pg2.remote_ip6, 0, 442, table_id=2
)
udp_encap_3 = VppUdpEncap(
self, self.pg3.local_ip6, self.pg3.remote_ip6, 0, 443, 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_0))
self.assertTrue(find_udp_encap(self, udp_encap_1))
self.assertTrue(find_udp_encap(self, udp_encap_2))
self.assertTrue(find_udp_encap(self, udp_encap_3))
#
# Routes via each UDP encap object - all combinations of v4 and v6.
#
route_4o4 = VppIpRoute(
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,
)
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,
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,
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,
proto=FibPathProto.FIB_PATH_NH_PROTO_IP6,
)
],
)
route_4o4.add_vpp_config()
route_4o6.add_vpp_config()
route_6o6.add_vpp_config()
route_6o4.add_vpp_config()
#
# 4o4 encap
#
p_4o4 = []
for i in range(NUM_PKTS):
p_4o4.append(
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 + i, dport=1234)
/ Raw(b"\xa5" * 100)
)
rx = self.send_and_expect(self.pg1, p_4o4, self.pg0)
sports = set()
for i, p in enumerate(rx):
self.validate_outer4(p, udp_encap_0, True)
sports.add(p["UDP"].sport)
p = IP(p["UDP"].payload.load)
self.validate_inner4(p, p_4o4[i])
self.assertEqual(udp_encap_0.get_stats()["packets"], NUM_PKTS)
self.assertGreater(
len(sports), 1, "source port {} is not an entropy value".format(sports)
)
#
# 4o6 encap
#
p_4o6 = []
for i in range(NUM_PKTS):
p_4o6.append(
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 + i, dport=1234)
/ Raw(b"\xa5" * 100)
)
rx = self.send_and_expect(self.pg0, p_4o6, self.pg2)
sports = set()
for p in rx:
self.validate_outer6(p, udp_encap_2, True)
sports.add(p["UDP"].sport)
p = IP(p["UDP"].payload.load)
self.validate_inner4(p, p_4o6[i])
self.assertEqual(udp_encap_2.get_stats()["packets"], NUM_PKTS)
self.assertGreater(
len(sports), 1, "source port {} is not an entropy value".format(sports)
)
#
# 6o4 encap
#
p_6o4 = []
for i in range(NUM_PKTS):
p_6o4.append(
Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
/ IPv6(src="2001::100", dst="2001::1")
/ UDP(sport=1234 + i, dport=1234)
/ Raw(b"\xa5" * 100)
)
rx = self.send_and_expect(self.pg0, p_6o4, self.pg1)
sports = set()
for p in rx:
self.validate_outer4(p, udp_encap_1, True)
sports.add(p["UDP"].sport)
p = IPv6(p["UDP"].payload.load)
self.validate_inner6(p, p_6o4[i])
self.assertEqual(udp_encap_1.get_stats()["packets"], NUM_PKTS)
self.assertGreater(
len(sports), 1, "source port {} is not an entropy value".format(sports)
)
#
# 6o6 encap
#
p_6o6 = []
for i in range(NUM_PKTS):
p_6o6.append(
Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
/ IPv6(src="2001::100", dst="2001::3")
/ UDP(sport=1234 + i, dport=1234)
/ Raw(b"\xa5" * 100)
)
rx = self.send_and_expect(self.pg0, p_6o6, self.pg3)
sports = set()
for p in rx:
self.validate_outer6(p, udp_encap_3, True)
sports.add(p["UDP"].sport)
p = IPv6(p["UDP"].payload.load)
self.validate_inner6(p, p_6o6[i])
self.assertEqual(udp_encap_3.get_stats()["packets"], NUM_PKTS)
self.assertGreater(
len(sports), 1, "source port {} is not an entropy value".format(sports)
)
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(bytes(p_4["UDP"].payload))
for p in rx:
p = IP(bytes(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(bytes(p_6["UDP"].payload))
p = IPv6(bytes(rx[0]["Ether"].payload))
for p in rx:
p = IPv6(bytes(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(bytes(MPLS(bytes(p_mo4["UDP"].payload)).payload))
for p in rx:
p = IP(bytes(p["Ether"].payload))
self.validate_inner4(p, p_mo4, ttl=63)
@tag_fixme_vpp_workers
@unittest.skipIf(
"hs_apps" in config.excluded_plugins, "Exclude tests requiring hs_apps plugin"
)
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_enable=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_v4(
namespace_id="0", sw_if_index=self.loop0.sw_if_index
)
self.vapi.app_namespace_add_del_v4(
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()
# Unconfigure namespaces - remove our locks to the vrf tables
self.vapi.app_namespace_add_del_v4(
is_add=0, namespace_id="0", sw_if_index=self.loop0.sw_if_index
)
self.vapi.app_namespace_add_del_v4(
is_add=0, namespace_id="1", sw_if_index=self.loop1.sw_if_index
)
self.vapi.session_enable_disable(is_enable=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 4k " + "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 4k "
+ "syn-timeout 2 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__":
unittest.main(testRunner=VppTestRunner)
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