| #!/usr/bin/env python3 |
| |
| import unittest |
| |
| from framework import VppTestCase, VppTestRunner |
| from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath |
| |
| |
| class TestOffload(VppTestCase): |
| """Offload Unit Test Cases""" |
| |
| @classmethod |
| def setUpClass(cls): |
| super(TestOffload, cls).setUpClass() |
| |
| @classmethod |
| def tearDownClass(cls): |
| super(TestOffload, cls).tearDownClass() |
| |
| def setUp(self): |
| super(TestOffload, self).setUp() |
| |
| def tearDown(self): |
| super(TestOffload, self).tearDown() |
| |
| def test_offload_unittest(self): |
| """Checksum Offload Test""" |
| cmds = [ |
| "loop create", |
| "set int ip address loop0 11.22.33.1/24", |
| "set int state loop0 up", |
| "loop create", |
| "set int ip address loop1 11.22.34.1/24", |
| "set int state loop1 up", |
| "set ip neighbor loop1 11.22.34.44 03:00:11:22:34:44", |
| "packet-generator new {\n" |
| " name s0\n" |
| " limit 100\n" |
| " size 128-128\n" |
| " interface loop0\n" |
| " tx-interface loop1\n" |
| " node loop1-output\n" |
| " buffer-flags ip4 offload\n" |
| " buffer-offload-flags offload-ip-cksum offload-udp-cksum\n" |
| " data {\n" |
| " IP4: 1.2.3 -> dead.0000.0001\n" |
| " UDP: 11.22.33.44 -> 11.22.34.44\n" |
| " ttl 2 checksum 13\n" |
| " UDP: 1234 -> 2345\n" |
| " checksum 11\n" |
| " incrementing 114\n" |
| " }\n" |
| "}", |
| "trace add pg-input 1", |
| "pa en", |
| "show error", |
| ] |
| |
| for cmd in cmds: |
| r = self.vapi.cli_return_response(cmd) |
| if r.retval != 0: |
| if hasattr(r, "reply"): |
| self.logger.info(cmd + " FAIL reply " + r.reply) |
| else: |
| self.logger.info(cmd + " FAIL retval " + str(r.retval)) |
| |
| r = self.vapi.cli_return_response("show trace") |
| self.assertTrue(r.retval == 0) |
| self.assertTrue(hasattr(r, "reply")) |
| rv = r.reply |
| look_here = rv.find("ethernet-input") |
| self.assertFalse(look_here == -1) |
| bad_checksum_index = rv[look_here:].find("should be") |
| self.assertTrue(bad_checksum_index == -1) |
| |
| |
| if __name__ == "__main__": |
| unittest.main(testRunner=VppTestRunner) |