1 files changed, 77 insertions, 0 deletions
diff --git a/test/asf/test_offload.py b/test/asf/test_offload.py
new file mode 100644
index 00000000000..4c800129094
--- /dev/null
+++ b/test/asf/test_offload.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+
+import unittest
+
+from asfframework import VppAsfTestCase, VppTestRunner
+
+
+class TestOffload(VppAsfTestCase):
+    """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)