test/asf/test_offload.py

   1 #!/usr/bin/env python3
   2
   3 import unittest
   4
   5 from asfframework import VppAsfTestCase, VppTestRunner
   6
   7
   8 class TestOffload(VppAsfTestCase):
   9     """Offload Unit Test Cases"""
  10
  11     @classmethod
  12     def setUpClass(cls):
  13         super(TestOffload, cls).setUpClass()
  14
  15     @classmethod
  16     def tearDownClass(cls):
  17         super(TestOffload, cls).tearDownClass()
  18
  19     def setUp(self):
  20         super(TestOffload, self).setUp()
  21
  22     def tearDown(self):
  23         super(TestOffload, self).tearDown()
  24
  25     def test_offload_unittest(self):
  26         """Checksum Offload Test"""
  27         cmds = [
  28             "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
  58         for cmd in cmds:
  59             r = self.vapi.cli_return_response(cmd)
  60             if r.retval != 0:
  61                 if hasattr(r, "reply"):
  62                     self.logger.info(cmd + " FAIL reply " + r.reply)
  63                 else:
  64                     self.logger.info(cmd + " FAIL retval " + str(r.retval))
  65
  66         r = self.vapi.cli_return_response("show trace")
  67         self.assertTrue(r.retval == 0)
  68         self.assertTrue(hasattr(r, "reply"))
  69         rv = r.reply
  70         look_here = rv.find("ethernet-input")
  71         self.assertFalse(look_here == -1)
  72         bad_checksum_index = rv[look_here:].find("should be")
  73         self.assertTrue(bad_checksum_index == -1)
  74
  75
  76 if __name__ == "__main__":
  77     unittest.main(testRunner=VppTestRunner)