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 = [
  29             "loop create",
  30             "set int ip address loop0 11.22.33.1/24",
  31             "set int state loop0 up",
  32             "loop create",
  33             "set int ip address loop1 11.22.34.1/24",
  34             "set int state loop1 up",
  35             "set ip neighbor loop1 11.22.34.44 03:00:11:22:34:44",
  36             "packet-generator new {\n"
  37             "  name s0\n"
  38             "  limit 100\n"
  39             "  size 128-128\n"
  40             "  interface loop0\n"
  41             "  tx-interface loop1\n"
  42             "  node loop1-output\n"
  43             "  buffer-flags ip4 offload\n"
  44             "  buffer-offload-flags offload-ip-cksum offload-udp-cksum\n"
  45             "  data {\n"
  46             "    IP4: 1.2.3 -> dead.0000.0001\n"
  47             "    UDP: 11.22.33.44 -> 11.22.34.44\n"
  48             "      ttl 2 checksum 13\n"
  49             "    UDP: 1234 -> 2345\n"
  50             "      checksum 11\n"
  51             "    incrementing 114\n"
  52             "  }\n"
  53             "}",
  54             "trace add pg-input 1",
  55             "pa en",
  56             "show error",
  57         ]
  58
  59         for cmd in cmds:
  60             r = self.vapi.cli_return_response(cmd)
  61             if r.retval != 0:
  62                 if hasattr(r, "reply"):
  63                     self.logger.info(cmd + " FAIL reply " + r.reply)
  64                 else:
  65                     self.logger.info(cmd + " FAIL retval " + str(r.retval))
  66
  67         r = self.vapi.cli_return_response("show trace")
  68         self.assertTrue(r.retval == 0)
  69         self.assertTrue(hasattr(r, "reply"))
  70         rv = r.reply
  71         look_here = rv.find("ethernet-input")
  72         self.assertFalse(look_here == -1)
  73         bad_checksum_index = rv[look_here:].find("should be")
  74         self.assertTrue(bad_checksum_index == -1)
  75
  76
  77 if __name__ == "__main__":
  78     unittest.main(testRunner=VppTestRunner)