fib: fib api updates
[vpp.git] / test / test_qos.py
index a940bd3..94062b8 100644 (file)
@@ -1,55 +1,77 @@
 #!/usr/bin/env python
 
 import unittest
-import socket
-import struct
 
 from framework import VppTestCase, VppTestRunner
-from vpp_object import VppObject
-from vpp_papi_provider import QOS_SOURCE
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute
-from vpp_sub_interface import VppSubInterface, VppDot1QSubint
+from vpp_sub_interface import VppDot1QSubint
+from vpp_ip import DpoProto
+from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute, \
+    VppMplsLabel, VppMplsTable, FibPathProto
 
+import scapy.compat
 from scapy.packet import Raw
 from scapy.layers.l2 import Ether, Dot1Q
 from scapy.layers.inet import IP, UDP
 from scapy.layers.inet6 import IPv6
 from scapy.contrib.mpls import MPLS
+from vpp_papi import VppEnum
+
+NUM_PKTS = 67
 
 
 class TestQOS(VppTestCase):
     """ QOS Test Case """
 
+    # Note: Since the enums aren't created dynamically until after
+    #       the papi client attaches to VPP, we put it in a property to
+    #       ensure it is the value at runtime, not at module load time.
+    @property
+    def QOS_SOURCE(self):
+        return VppEnum.vl_api_qos_source_t
+
+    @classmethod
+    def setUpClass(cls):
+        super(TestQOS, cls).setUpClass()
+
+    @classmethod
+    def tearDownClass(cls):
+        super(TestQOS, cls).tearDownClass()
+
     def setUp(self):
         super(TestQOS, self).setUp()
 
         self.create_pg_interfaces(range(5))
 
+        tbl = VppMplsTable(self, 0)
+        tbl.add_vpp_config()
+
         for i in self.pg_interfaces:
             i.admin_up()
             i.config_ip4()
             i.resolve_arp()
             i.config_ip6()
             i.resolve_ndp()
+            i.enable_mpls()
 
     def tearDown(self):
         for i in self.pg_interfaces:
             i.unconfig_ip4()
             i.unconfig_ip6()
+            i.disable_mpls()
 
         super(TestQOS, self).tearDown()
 
     def test_qos_ip(self):
-        """ QoS Mark IP """
+        """ QoS Mark/Record IP """
 
         #
         # for table 1 map the n=0xff possible values of input QoS mark,
         # n to 1-n
         #
-        output = [chr(0)] * 256
+        output = [scapy.compat.chb(0)] * 256
         for i in range(0, 255):
-            output[i] = chr(255 - i)
-        os = ''.join(output)
+            output[i] = scapy.compat.chb(255 - i)
+        os = b''.join(output)
         rows = [{'outputs': os},
                 {'outputs': os},
                 {'outputs': os},
@@ -60,8 +82,8 @@ class TestQOS(VppTestCase):
         #
         # For table 2 (and up) use the value n for everything
         #
-        output = [chr(2)] * 256
-        os = ''.join(output)
+        output = [scapy.compat.chb(2)] * 256
+        os = b''.join(output)
         rows = [{'outputs': os},
                 {'outputs': os},
                 {'outputs': os},
@@ -69,8 +91,8 @@ class TestQOS(VppTestCase):
 
         self.vapi.qos_egress_map_update(2, rows)
 
-        output = [chr(3)] * 256
-        os = ''.join(output)
+        output = [scapy.compat.chb(3)] * 256
+        os = b''.join(output)
         rows = [{'outputs': os},
                 {'outputs': os},
                 {'outputs': os},
@@ -78,8 +100,8 @@ class TestQOS(VppTestCase):
 
         self.vapi.qos_egress_map_update(3, rows)
 
-        output = [chr(4)] * 256
-        os = ''.join(output)
+        output = [scapy.compat.chb(4)] * 256
+        os = b''.join(output)
         rows = [{'outputs': os},
                 {'outputs': os},
                 {'outputs': os},
@@ -95,19 +117,19 @@ class TestQOS(VppTestCase):
         # Bind interface pgN to table n
         #
         self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           1,
                                           1)
         self.vapi.qos_mark_enable_disable(self.pg2.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           2,
                                           1)
         self.vapi.qos_mark_enable_disable(self.pg3.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           3,
                                           1)
         self.vapi.qos_mark_enable_disable(self.pg4.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           4,
                                           1)
 
@@ -117,39 +139,39 @@ class TestQOS(VppTestCase):
         p_v4 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                 IP(src=self.pg0.remote_ip4, dst=self.pg1.remote_ip4, tos=1) /
                 UDP(sport=1234, dport=1234) /
-                Raw(chr(100) * 65))
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
         p_v6 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                 IPv6(src=self.pg0.remote_ip6, dst=self.pg1.remote_ip6,
                      tc=1) /
                 UDP(sport=1234, dport=1234) /
-                Raw(chr(100) * 65))
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
 
         #
         # Since we have not yet enabled the recording of the input QoS
         # from the input iP header, the egress packet's ToS will be unchanged
         #
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IP].tos, 1)
-        rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IPv6].tc, 1)
 
         #
-        # Enable QoS recrding on IP input for pg0
+        # Enable QoS recording on IP input for pg0
         #
         self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
-                                            QOS_SOURCE.IP,
+                                            self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                             1)
 
         #
         # send the same packets, this time expect the input TOS of 1
         # to be mapped to pg1's egress value of 254
         #
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IP].tos, 254)
-        rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IPv6].tc, 254)
 
@@ -157,20 +179,20 @@ class TestQOS(VppTestCase):
         # different input ToS to test the mapping
         #
         p_v4[IP].tos = 127
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IP].tos, 128)
         p_v6[IPv6].tc = 127
-        rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IPv6].tc, 128)
 
         p_v4[IP].tos = 254
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IP].tos, 1)
         p_v6[IPv6].tc = 254
-        rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IPv6].tc, 1)
 
@@ -179,17 +201,17 @@ class TestQOS(VppTestCase):
         # correctly applied
         #
         p_v4[IP].dst = self.pg2.remote_ip4
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg2)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg2)
         for p in rx:
             self.assertEqual(p[IP].tos, 2)
 
         p_v4[IP].dst = self.pg3.remote_ip4
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg3)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg3)
         for p in rx:
             self.assertEqual(p[IP].tos, 3)
 
         p_v6[IPv6].dst = self.pg3.remote_ip6
-        rx = self.send_and_expect(self.pg0, p_v6 * 65, self.pg3)
+        rx = self.send_and_expect(self.pg0, p_v6 * NUM_PKTS, self.pg3)
         for p in rx:
             self.assertEqual(p[IPv6].tc, 3)
 
@@ -197,22 +219,22 @@ class TestQOS(VppTestCase):
         # remove the map on pg2 and pg3, now expect an unchanged IP tos
         #
         self.vapi.qos_mark_enable_disable(self.pg2.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           2,
                                           0)
         self.vapi.qos_mark_enable_disable(self.pg3.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           3,
                                           0)
         self.logger.info(self.vapi.cli("sh int feat pg2"))
 
         p_v4[IP].dst = self.pg2.remote_ip4
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg2)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg2)
         for p in rx:
             self.assertEqual(p[IP].tos, 254)
 
         p_v4[IP].dst = self.pg3.remote_ip4
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg3)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg3)
         for p in rx:
             self.assertEqual(p[IP].tos, 254)
 
@@ -220,7 +242,7 @@ class TestQOS(VppTestCase):
         # still mapping out of pg1
         #
         p_v4[IP].dst = self.pg1.remote_ip4
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IP].tos, 1)
 
@@ -228,13 +250,13 @@ class TestQOS(VppTestCase):
         # disable the input recording on pg0
         #
         self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
-                                            QOS_SOURCE.IP,
+                                            self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                             0)
 
         #
         # back to an unchanged TOS value
         #
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IP].tos, 254)
 
@@ -242,23 +264,23 @@ class TestQOS(VppTestCase):
         # disable the egress map on pg1 and pg4
         #
         self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           1,
                                           0)
         self.vapi.qos_mark_enable_disable(self.pg4.sw_if_index,
-                                          QOS_SOURCE.IP,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           4,
                                           0)
 
         #
         # unchanged Tos on pg1
         #
-        rx = self.send_and_expect(self.pg0, p_v4 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_v4 * NUM_PKTS, self.pg1)
         for p in rx:
             self.assertEqual(p[IP].tos, 254)
 
         #
-        # clean-up the masp
+        # clean-up the map
         #
         self.vapi.qos_egress_map_delete(1)
         self.vapi.qos_egress_map_delete(4)
@@ -269,17 +291,27 @@ class TestQOS(VppTestCase):
         self.vapi.qos_egress_map_delete(7)
 
     def test_qos_mpls(self):
-        """ QoS Mark MPLS """
+        """ QoS Mark/Record MPLS """
 
         #
         # 255 QoS for all input values
         #
-        output = [chr(255)] * 256
-        os = ''.join(output)
-        rows = [{'outputs': os},
-                {'outputs': os},
-                {'outputs': os},
-                {'outputs': os}]
+        from_ext = 7
+        from_ip = 6
+        from_mpls = 5
+        from_vlan = 4
+        output = [scapy.compat.chb(from_ext)] * 256
+        os1 = b''.join(output)
+        output = [scapy.compat.chb(from_vlan)] * 256
+        os2 = b''.join(output)
+        output = [scapy.compat.chb(from_mpls)] * 256
+        os3 = b''.join(output)
+        output = [scapy.compat.chb(from_ip)] * 256
+        os4 = b''.join(output)
+        rows = [{'outputs': os1},
+                {'outputs': os2},
+                {'outputs': os3},
+                {'outputs': os4}]
 
         self.vapi.qos_egress_map_update(1, rows)
 
@@ -306,10 +338,10 @@ class TestQOS(VppTestCase):
         # on Pg1
         #
         self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
-                                            QOS_SOURCE.IP,
+                                            self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                             1)
         self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
-                                          QOS_SOURCE.MPLS,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
                                           1,
                                           1)
 
@@ -319,48 +351,247 @@ class TestQOS(VppTestCase):
         p_1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                IP(src=self.pg0.remote_ip4, dst="10.0.0.1", tos=1) /
                UDP(sport=1234, dport=1234) /
-               Raw(chr(100) * 65))
+               Raw(scapy.compat.chb(100) * NUM_PKTS))
         p_3 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
                IP(src=self.pg0.remote_ip4, dst="10.0.0.3", tos=1) /
                UDP(sport=1234, dport=1234) /
-               Raw(chr(100) * 65))
+               Raw(scapy.compat.chb(100) * NUM_PKTS))
 
-        rx = self.send_and_expect(self.pg0, p_1 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_1 * NUM_PKTS, self.pg1)
 
         #
         # only 3 bits of ToS value in MPLS make sure tos is correct
         # and the label and EOS bit have not been corrupted
         #
         for p in rx:
-            self.assertEqual(p[MPLS].cos, 7)
+            self.assertEqual(p[MPLS].cos, from_ip)
             self.assertEqual(p[MPLS].label, 32)
             self.assertEqual(p[MPLS].s, 1)
-        rx = self.send_and_expect(self.pg0, p_3 * 65, self.pg1)
+        rx = self.send_and_expect(self.pg0, p_3 * NUM_PKTS, self.pg1)
         for p in rx:
-            self.assertEqual(p[MPLS].cos, 7)
+            self.assertEqual(p[MPLS].cos, from_ip)
             self.assertEqual(p[MPLS].label, 63)
             self.assertEqual(p[MPLS].s, 0)
             h = p[MPLS].payload
-            self.assertEqual(h[MPLS].cos, 7)
+            self.assertEqual(h[MPLS].cos, from_ip)
             self.assertEqual(h[MPLS].label, 33)
             self.assertEqual(h[MPLS].s, 0)
             h = h[MPLS].payload
-            self.assertEqual(h[MPLS].cos, 7)
+            self.assertEqual(h[MPLS].cos, from_ip)
             self.assertEqual(h[MPLS].label, 34)
             self.assertEqual(h[MPLS].s, 1)
 
+        #
+        # enable MPLS QoS recording on the input Pg0 and IP egress marking
+        # on Pg1
+        #
+        self.vapi.qos_record_enable_disable(
+            self.pg0.sw_if_index,
+            self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
+            1)
+        self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
+                                          1,
+                                          1)
+
+        #
+        # MPLS x-connect - COS according to pg1 map
+        #
+        route_32_eos = VppMplsRoute(self, 32, 1,
+                                    [VppRoutePath(self.pg1.remote_ip4,
+                                                  self.pg1.sw_if_index,
+                                                  labels=[VppMplsLabel(33)])])
+        route_32_eos.add_vpp_config()
+
+        p_m1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+                MPLS(label=32, cos=3, ttl=2) /
+                IP(src=self.pg0.remote_ip4, dst="10.0.0.1", tos=1) /
+                UDP(sport=1234, dport=1234) /
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
+
+        rx = self.send_and_expect(self.pg0, p_m1 * NUM_PKTS, self.pg1)
+        for p in rx:
+            self.assertEqual(p[MPLS].cos, from_mpls)
+            self.assertEqual(p[MPLS].label, 33)
+            self.assertEqual(p[MPLS].s, 1)
+
+        #
+        # MPLS deag - COS is copied from MPLS to IP
+        #
+        route_33_eos = VppMplsRoute(self, 33, 1,
+                                    [VppRoutePath("0.0.0.0",
+                                                  0xffffffff,
+                                                  nh_table_id=0)])
+        route_33_eos.add_vpp_config()
+
+        route_10_0_0_4 = VppIpRoute(self, "10.0.0.4", 32,
+                                    [VppRoutePath(self.pg1.remote_ip4,
+                                                  self.pg1.sw_if_index)])
+        route_10_0_0_4.add_vpp_config()
+
+        p_m2 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+                MPLS(label=33, ttl=2, cos=3) /
+                IP(src=self.pg0.remote_ip4, dst="10.0.0.4", tos=1) /
+                UDP(sport=1234, dport=1234) /
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
+
+        rx = self.send_and_expect(self.pg0, p_m2 * NUM_PKTS, self.pg1)
+
+        for p in rx:
+            self.assertEqual(p[IP].tos, from_mpls)
+
         #
         # cleanup
         #
         self.vapi.qos_record_enable_disable(self.pg0.sw_if_index,
-                                            QOS_SOURCE.IP,
+                                            self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                             0)
         self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
-                                          QOS_SOURCE.MPLS,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
+                                          1,
+                                          0)
+        self.vapi.qos_record_enable_disable(
+            self.pg0.sw_if_index,
+            self.QOS_SOURCE.QOS_API_SOURCE_MPLS,
+            0)
+        self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
                                           1,
                                           0)
         self.vapi.qos_egress_map_delete(1)
 
+    def test_qos_vlan(self):
+        """QoS mark/record VLAN """
+
+        #
+        # QoS for all input values
+        #
+        output = [scapy.compat.chb(0)] * 256
+        for i in range(0, 255):
+            output[i] = scapy.compat.chb(255 - i)
+        os = b''.join(output)
+        rows = [{'outputs': os},
+                {'outputs': os},
+                {'outputs': os},
+                {'outputs': os}]
+
+        self.vapi.qos_egress_map_update(1, rows)
+
+        sub_if = VppDot1QSubint(self, self.pg0, 11)
+
+        sub_if.admin_up()
+        sub_if.config_ip4()
+        sub_if.resolve_arp()
+        sub_if.config_ip6()
+        sub_if.resolve_ndp()
+
+        #
+        # enable VLAN QoS recording/marking on the input Pg0 subinterface and
+        #
+        self.vapi.qos_record_enable_disable(
+            sub_if.sw_if_index,
+            self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+            1)
+        self.vapi.qos_mark_enable_disable(sub_if.sw_if_index,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+                                          1,
+                                          1)
+
+        #
+        # IP marking/recording on pg1
+        #
+        self.vapi.qos_record_enable_disable(self.pg1.sw_if_index,
+                                            self.QOS_SOURCE.QOS_API_SOURCE_IP,
+                                            1)
+        self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
+                                          1,
+                                          1)
+
+        #
+        # a routes to/from sub-interface
+        #
+        route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32,
+                                    [VppRoutePath(sub_if.remote_ip4,
+                                                  sub_if.sw_if_index)])
+        route_10_0_0_1.add_vpp_config()
+        route_10_0_0_2 = VppIpRoute(self, "10.0.0.2", 32,
+                                    [VppRoutePath(self.pg1.remote_ip4,
+                                                  self.pg1.sw_if_index)])
+        route_10_0_0_2.add_vpp_config()
+        route_2001_1 = VppIpRoute(self, "2001::1", 128,
+                                  [VppRoutePath(sub_if.remote_ip6,
+                                                sub_if.sw_if_index)])
+        route_2001_1.add_vpp_config()
+        route_2001_2 = VppIpRoute(self, "2001::2", 128,
+                                  [VppRoutePath(self.pg1.remote_ip6,
+                                                self.pg1.sw_if_index)])
+        route_2001_2.add_vpp_config()
+
+        p_v1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+                Dot1Q(vlan=11, prio=1) /
+                IP(src="1.1.1.1", dst="10.0.0.2", tos=1) /
+                UDP(sport=1234, dport=1234) /
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
+
+        p_v2 = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+                IP(src="1.1.1.1", dst="10.0.0.1", tos=1) /
+                UDP(sport=1234, dport=1234) /
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
+
+        rx = self.send_and_expect(self.pg1, p_v2 * NUM_PKTS, self.pg0)
+
+        for p in rx:
+            self.assertEqual(p[Dot1Q].prio, 6)
+
+        rx = self.send_and_expect(self.pg0, p_v1 * NUM_PKTS, self.pg1)
+
+        for p in rx:
+            self.assertEqual(p[IP].tos, 254)
+
+        p_v1 = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
+                Dot1Q(vlan=11, prio=2) /
+                IPv6(src="2001::1", dst="2001::2", tc=1) /
+                UDP(sport=1234, dport=1234) /
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
+
+        p_v2 = (Ether(src=self.pg1.remote_mac, dst=self.pg1.local_mac) /
+                IPv6(src="3001::1", dst="2001::1", tc=1) /
+                UDP(sport=1234, dport=1234) /
+                Raw(scapy.compat.chb(100) * NUM_PKTS))
+
+        rx = self.send_and_expect(self.pg1, p_v2 * NUM_PKTS, self.pg0)
+
+        for p in rx:
+            self.assertEqual(p[Dot1Q].prio, 6)
+
+        rx = self.send_and_expect(self.pg0, p_v1 * NUM_PKTS, self.pg1)
+
+        for p in rx:
+            self.assertEqual(p[IPv6].tc, 253)
+
+        #
+        # cleanup
+        #
+        sub_if.unconfig_ip4()
+        sub_if.unconfig_ip6()
+
+        self.vapi.qos_record_enable_disable(
+            sub_if.sw_if_index,
+            self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+            0)
+        self.vapi.qos_mark_enable_disable(sub_if.sw_if_index,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_VLAN,
+                                          1,
+                                          0)
+        self.vapi.qos_record_enable_disable(self.pg1.sw_if_index,
+                                            self.QOS_SOURCE.QOS_API_SOURCE_IP,
+                                            0)
+        self.vapi.qos_mark_enable_disable(self.pg1.sw_if_index,
+                                          self.QOS_SOURCE.QOS_API_SOURCE_IP,
+                                          1,
+                                          0)
+
 
 if __name__ == '__main__':
     unittest.main(testRunner=VppTestRunner)