test/test_l2tp.py

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