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authorNeale Ranns <nranns@cisco.com>2020-12-21 09:52:24 +0000
committerNeale Ranns <neale@graphiant.com>2021-01-07 15:48:43 +0000
commite294de6f876587ddc34ab02771771aea60087adc (patch)
treea68640401fac25d1d137dd119dbb6a03c7938173 /test
parenta9e2774f5561ccb77c8243a196f93f5070f6c5ad (diff)
ipip: Support MPLS over IP
Type: feature Signed-off-by: Neale Ranns <neale@graphiant.com> Change-Id: Ief1755131297afcaa14fe74fd8dd28c71a92fbe6
Diffstat (limited to 'test')
-rw-r--r--test/test_ipip.py150
1 files changed, 149 insertions, 1 deletions
diff --git a/test/test_ipip.py b/test/test_ipip.py
index 8f18c07341d..83395e0bd72 100644
--- a/test/test_ipip.py
+++ b/test/test_ipip.py
@@ -3,10 +3,12 @@
import unittest
from scapy.layers.inet6 import IPv6, Ether, IP, UDP, IPv6ExtHdrFragment, Raw
+from scapy.contrib.mpls import MPLS
from scapy.all import fragment, fragment6, RandShort, defragment6
from framework import VppTestCase, VppTestRunner
from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, FibPathProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable, FibPathProto, \
+ VppMplsLabel, VppMplsRoute, VppMplsTable
from vpp_ipip_tun_interface import VppIpIpTunInterface
from vpp_teib import VppTeib
from vpp_papi import VppEnum
@@ -1167,5 +1169,151 @@ class TestIPIP6(VppTestCase):
return 'x' * len
+class TestMPLS(VppTestCase):
+ """ MPLS Test Case """
+
+ @classmethod
+ def setUpClass(cls):
+ super(TestMPLS, cls).setUpClass()
+ cls.create_pg_interfaces(range(2))
+ cls.interfaces = list(cls.pg_interfaces)
+
+ @classmethod
+ def tearDownClass(cls):
+ super(TestMPLS, cls).tearDownClass()
+
+ def setUp(self):
+ super(TestMPLS, self).setUp()
+ for i in self.interfaces:
+ i.admin_up()
+ i.config_ip4()
+ i.config_ip6()
+ i.disable_ipv6_ra()
+ i.resolve_arp()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestMPLS, self).tearDown()
+
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_mpls(self):
+ """ MPLS over ip{6,4} test """
+
+ tbl = VppMplsTable(self, 0)
+ tbl.add_vpp_config()
+
+ self.p_ether = Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+ self.p_payload = UDP(sport=1234, dport=1234) / Raw(b'X' * 100)
+ f = FibPathProto
+
+ # IPv4 transport
+ tun4 = VppIpIpTunInterface(
+ self,
+ self.pg1,
+ self.pg1.local_ip4,
+ self.pg1.remote_ip4).add_vpp_config()
+ tun4.admin_up()
+ tun4.config_ip4()
+ tun4.enable_mpls()
+
+ # IPv6 transport
+ tun6 = VppIpIpTunInterface(
+ self,
+ self.pg1,
+ self.pg1.local_ip6,
+ self.pg1.remote_ip6).add_vpp_config()
+ tun6.admin_up()
+ tun6.config_ip6()
+ tun6.enable_mpls()
+
+ # ip routes into the tunnels with output labels
+ r4 = VppIpRoute(self, "1.1.1.1", 32,
+ [VppRoutePath(
+ tun4.remote_ip4,
+ tun4.sw_if_index,
+ labels=[VppMplsLabel(44)])]).add_vpp_config()
+ r6 = VppIpRoute(self, "1::1", 128,
+ [VppRoutePath(
+ tun6.remote_ip6,
+ tun6.sw_if_index,
+ labels=[VppMplsLabel(66)])]).add_vpp_config()
+
+ # deag MPLS routes from the tunnel
+ r4 = VppMplsRoute(self, 44, 1,
+ [VppRoutePath(
+ self.pg0.remote_ip4,
+ self.pg0.sw_if_index)]).add_vpp_config()
+ r6 = VppMplsRoute(self, 66, 1,
+ [VppRoutePath(
+ self.pg0.remote_ip6,
+ self.pg0.sw_if_index)],
+ eos_proto=f.FIB_PATH_NH_PROTO_IP6).add_vpp_config()
+
+ #
+ # Tunnel Encap
+ #
+ p4 = (self.p_ether / IP(src="2.2.2.2", dst="1.1.1.1") / self.p_payload)
+
+ rxs = self.send_and_expect(self.pg0, p4 * N_PACKETS, self.pg1)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, self.pg1.local_ip4)
+ self.assertEqual(rx[IP].dst, self.pg1.remote_ip4)
+ self.assertEqual(rx[MPLS].label, 44)
+ inner = rx[MPLS].payload
+ self.assertEqual(inner.src, "2.2.2.2")
+ self.assertEqual(inner.dst, "1.1.1.1")
+
+ p6 = (self.p_ether / IPv6(src="2::2", dst="1::1") / self.p_payload)
+
+ rxs = self.send_and_expect(self.pg0, p6 * N_PACKETS, self.pg1)
+
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].src, self.pg1.local_ip6)
+ self.assertEqual(rx[IPv6].dst, self.pg1.remote_ip6)
+ self.assertEqual(rx[MPLS].label, 66)
+ inner = rx[MPLS].payload
+ self.assertEqual(inner.src, "2::2")
+ self.assertEqual(inner.dst, "1::1")
+
+ #
+ # Tunnel Decap
+ #
+ p4 = (self.p_ether /
+ IP(src=self.pg1.remote_ip4,
+ dst=self.pg1.local_ip4) /
+ MPLS(label=44, ttl=4) /
+ IP(src="1.1.1.1",
+ dst="2.2.2.2") /
+ self.p_payload)
+
+ rxs = self.send_and_expect(self.pg1, p4 * N_PACKETS, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, "1.1.1.1")
+ self.assertEqual(rx[IP].dst, "2.2.2.2")
+
+ p6 = (self.p_ether /
+ IPv6(src=self.pg1.remote_ip6,
+ dst=self.pg1.local_ip6) /
+ MPLS(label=66, ttl=4) /
+ IPv6(src="1::1",
+ dst="2::2") /
+ self.p_payload)
+
+ rxs = self.send_and_expect(self.pg1, p6 * N_PACKETS, self.pg0)
+
+ for rx in rxs:
+ self.assertEqual(rx[IPv6].src, "1::1")
+ self.assertEqual(rx[IPv6].dst, "2::2")
+
+ tun4.disable_mpls()
+ tun6.disable_mpls()
+
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)