src/plugins/l2tp/test/test_l2tp.py

   1 #!/usr/bin/env python3
   2
   3 import unittest
   4
   5 from scapy.layers.l2 import Ether
   6 from scapy.layers.inet6 import IPv6
   7
   8 from framework import tag_fixme_vpp_workers
   9 from framework import VppTestCase
  10
  11
  12 @tag_fixme_vpp_workers
  13 class TestL2tp(VppTestCase):
  14     """ L2TP Test Case """
  15
  16     @classmethod
  17     def setUpClass(cls):
  18         super(TestL2tp, cls).setUpClass()
  19
  20         cls.create_pg_interfaces(range(1))
  21         cls.pg0.admin_up()
  22         cls.pg0.config_ip6()
  23
  24     def test_l2tp_decap_local(self):
  25         """ L2TP don't accept packets unless configured """
  26
  27         pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
  28                IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6, nh=115))
  29
  30         self.pg0.add_stream(pkt)
  31         self.pg_start()
  32
  33         # l2tp should not accept packets
  34         err = self.statistics.get_counter(
  35             '/err/l2tp-decap-local/l2tpv3 session not found')[0]
  36         self.assertEqual(err, 0)
  37         err_count = err
  38
  39         self.vapi.l2tpv3_create_tunnel(client_address=self.pg0.local_ip6,
  40                                        our_address=self.pg0.remote_ip6)
  41
  42         self.pg0.add_stream(pkt)
  43         self.pg_start()
  44
  45         # l2tp accepts packets
  46         err = self.statistics.get_counter(
  47             '/err/l2tp-decap-local/l2tpv3 session not found')[0]
  48         self.assertEqual(err, 1)
  49         err_count = err