test/test_offload.py

   1 #!/usr/bin/env python3
   2
   3 import unittest
   4
   5 from framework import VppTestCase, VppTestRunner
   6 from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
   7
   8
   9 class TestOffload(VppTestCase):
  10     """ Offload Unit Test Cases """
  11
  12     @classmethod
  13     def setUpClass(cls):
  14         super(TestOffload, cls).setUpClass()
  15
  16     @classmethod
  17     def tearDownClass(cls):
  18         super(TestOffload, cls).tearDownClass()
  19
  20     def setUp(self):
  21         super(TestOffload, self).setUp()
  22
  23     def tearDown(self):
  24         super(TestOffload, self).tearDown()
  25
  26     def test_offload_unittest(self):
  27         """ Checksum Offload Test """
  28         cmds = ["loop create",
  29                 "set int ip address loop0 11.22.33.1/24",
  30                 "set int state loop0 up",
  31                 "loop create",
  32                 "set int ip address loop1 11.22.34.1/24",
  33                 "set int state loop1 up",
  34                 "set ip neighbor loop1 11.22.34.44 03:00:11:22:34:44",
  35                 "packet-generator new {\n"
  36                 "  name s0\n"
  37                 "  limit 100\n"
  38                 "  size 128-128\n"
  39                 "  interface loop0\n"
  40                 "  tx-interface loop1\n"
  41                 "  node loop1-output\n"
  42                 "  buffer-flags ip4 offload\n"
  43                 "  buffer-offload-flags offload-ip-cksum offload-udp-cksum\n"
  44                 "  data {\n"
  45                 "    IP4: 1.2.3 -> dead.0000.0001\n"
  46                 "    UDP: 11.22.33.44 -> 11.22.34.44\n"
  47                 "      ttl 2 checksum 13\n"
  48                 "    UDP: 1234 -> 2345\n"
  49                 "      checksum 11\n"
  50                 "    incrementing 114\n"
  51                 "  }\n"
  52                 "}",
  53                 "trace add pg-input 1",
  54                 "pa en",
  55                 "show error"]
  56
  57         for cmd in cmds:
  58             r = self.vapi.cli_return_response(cmd)
  59             if r.retval != 0:
  60                 if hasattr(r, 'reply'):
  61                     self.logger.info(cmd + " FAIL reply " + r.reply)
  62                 else:
  63                     self.logger.info(cmd + " FAIL retval " + str(r.retval))
  64
  65         r = self.vapi.cli_return_response("show trace")
  66         self.assertTrue(r.retval == 0)
  67         self.assertTrue(hasattr(r, 'reply'))
  68         rv = r.reply
  69         look_here = rv.find('ethernet-input')
  70         self.assertFalse(look_here == -1)
  71         bad_checksum_index = rv[look_here:].find('should be')
  72         self.assertTrue(bad_checksum_index == -1)
  73
  74 if __name__ == '__main__':
  75     unittest.main(testRunner=VppTestRunner)