5 from framework import VppTestCase, VppTestRunner
6 from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
9 class TestOffload(VppTestCase):
10 """Offload Unit Test Cases"""
14 super(TestOffload, cls).setUpClass()
17 def tearDownClass(cls):
18 super(TestOffload, cls).tearDownClass()
21 super(TestOffload, self).setUp()
24 super(TestOffload, self).tearDown()
26 def test_offload_unittest(self):
27 """Checksum Offload Test"""
30 "set int ip address loop0 11.22.33.1/24",
31 "set int state loop0 up",
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"
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"
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"
54 "trace add pg-input 1",
60 r = self.vapi.cli_return_response(cmd)
62 if hasattr(r, "reply"):
63 self.logger.info(cmd + " FAIL reply " + r.reply)
65 self.logger.info(cmd + " FAIL retval " + str(r.retval))
67 r = self.vapi.cli_return_response("show trace")
68 self.assertTrue(r.retval == 0)
69 self.assertTrue(hasattr(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)
77 if __name__ == "__main__":
78 unittest.main(testRunner=VppTestRunner)