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-rw-r--r--test/test_gre.py46
1 files changed, 46 insertions, 0 deletions
diff --git a/test/test_gre.py b/test/test_gre.py
index 71117ad738c..7936334ba77 100644
--- a/test/test_gre.py
+++ b/test/test_gre.py
@@ -18,6 +18,52 @@ from util import ppp, ppc
from vpp_papi import VppEnum
+class TestGREInputNodes(VppTestCase):
+ """ GRE Input Nodes Test Case """
+
+ def setUp(self):
+ super(TestGREInputNodes, self).setUp()
+
+ # create 3 pg interfaces - set one in a non-default table.
+ self.create_pg_interfaces(range(1))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip4()
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.admin_down()
+ super(TestGREInputNodes, self).tearDown()
+
+ def test_gre_input_node(self):
+ """ GRE gre input nodes not registerd unless configured """
+ pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
+ IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
+ GRE())
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+ # no tunnel created, gre-input not registered
+ err = self.statistics.get_counter(
+ '/err/ip4-input/unknown ip protocol')[0]
+ self.assertEqual(err, 1)
+ err_count = err
+
+ # create gre tunnel
+ gre_if = VppGreInterface(self, self.pg0.local_ip4, "1.1.1.2")
+ gre_if.add_vpp_config()
+
+ self.pg0.add_stream(pkt)
+ self.pg_start()
+ # tunnel created, gre-input registered
+ err = self.statistics.get_counter(
+ '/err/ip4-input/unknown ip protocol')[0]
+ # expect no new errors
+ self.assertEqual(err, err_count)
+
+
class TestGRE(VppTestCase):
""" GRE Test Case """