1 files changed, 74 insertions, 0 deletions
diff --git a/test/test_offload.py b/test/test_offload.py
new file mode 100644
index 00000000000..8b045bfe131
--- /dev/null
+++ b/test/test_offload.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+
+import unittest
+
+from framework import VppTestCase, VppTestRunner, running_gcov_tests
+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-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)