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 """
28 cmds = ["loop create",
29 "set int ip address loop0 11.22.33.1/24",
30 "set int state loop0 up",
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"
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"
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"
53 "trace add pg-input 1",
58 r = self.vapi.cli_return_response(cmd)
60 if hasattr(r, 'reply'):
61 self.logger.info(cmd + " FAIL reply " + r.reply)
63 self.logger.info(cmd + " FAIL retval " + str(r.retval))
65 r = self.vapi.cli_return_response("show trace")
66 self.assertTrue(r.retval == 0)
67 self.assertTrue(hasattr(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)
74 if __name__ == '__main__':
75 unittest.main(testRunner=VppTestRunner)