build: Add missing debian dependencies
[vpp.git] / test / test_ip_mcast.py
index b753f9a..64d3706 100644 (file)
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import unittest
 
@@ -6,9 +6,10 @@ from framework import VppTestCase, VppTestRunner
 from vpp_ip import DpoProto
 from vpp_ip_route import VppIpMRoute, VppMRoutePath, VppMFibSignal, \
     MRouteItfFlags, MRouteEntryFlags, VppIpTable, FibPathProto
+from vpp_gre_interface import VppGreInterface
 
 from scapy.packet import Raw
-from scapy.layers.l2 import Ether
+from scapy.layers.l2 import Ether, GRE
 from scapy.layers.inet import IP, UDP, getmacbyip
 from scapy.layers.inet6 import IPv6, getmacbyip6
 
@@ -94,12 +95,12 @@ class TestIPMcast(VppTestCase):
     def create_stream_ip4(self, src_if, src_ip, dst_ip, payload_size=0):
         pkts = []
         # default to small packet sizes
-        p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+        p = (Ether(dst=getmacbyip(dst_ip), src=src_if.remote_mac) /
              IP(src=src_ip, dst=dst_ip) /
              UDP(sport=1234, dport=1234))
         if not payload_size:
             payload_size = 64 - len(p)
-            p = p / Raw('\xa5' * payload_size)
+            p = p / Raw(b'\xa5' * payload_size)
 
         for i in range(0, N_PKTS_IN_STREAM):
             pkts.append(p)
@@ -110,7 +111,7 @@ class TestIPMcast(VppTestCase):
         for i in range(0, N_PKTS_IN_STREAM):
             info = self.create_packet_info(src_if, src_if)
             payload = self.info_to_payload(info)
-            p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+            p = (Ether(dst=getmacbyip6(dst_ip), src=src_if.remote_mac) /
                  IPv6(src=src_ip, dst=dst_ip) /
                  UDP(sport=1234, dport=1234) /
                  Raw(payload))
@@ -188,6 +189,14 @@ class TestIPMcast(VppTestCase):
         # a stream that matches the default route. gets dropped.
         #
         self.vapi.cli("clear trace")
+        self.vapi.cli("packet mac-filter pg0 on")
+        self.vapi.cli("packet mac-filter pg1 on")
+        self.vapi.cli("packet mac-filter pg2 on")
+        self.vapi.cli("packet mac-filter pg4 on")
+        self.vapi.cli("packet mac-filter pg5 on")
+        self.vapi.cli("packet mac-filter pg6 on")
+        self.vapi.cli("packet mac-filter pg7 on")
+
         tx = self.create_stream_ip4(self.pg0, "1.1.1.1", "232.1.1.1")
         self.pg0.add_stream(tx)
 
@@ -394,9 +403,24 @@ class TestIPMcast(VppTestCase):
         self.pg0.assert_nothing_captured(
             remark="IP multicast packets forwarded on PG0")
 
+        self.vapi.cli("packet mac-filter pg0 off")
+        self.vapi.cli("packet mac-filter pg1 off")
+        self.vapi.cli("packet mac-filter pg2 off")
+        self.vapi.cli("packet mac-filter pg4 off")
+        self.vapi.cli("packet mac-filter pg5 off")
+        self.vapi.cli("packet mac-filter pg6 off")
+        self.vapi.cli("packet mac-filter pg7 off")
+
     def test_ip6_mcast(self):
         """ IPv6 Multicast Replication """
 
+        self.vapi.cli("packet mac-filter pg0 on")
+        self.vapi.cli("packet mac-filter pg1 on")
+        self.vapi.cli("packet mac-filter pg2 on")
+        self.vapi.cli("packet mac-filter pg4 on")
+        self.vapi.cli("packet mac-filter pg5 on")
+        self.vapi.cli("packet mac-filter pg6 on")
+        self.vapi.cli("packet mac-filter pg7 on")
         #
         # a stream that matches the default route. gets dropped.
         #
@@ -555,6 +579,14 @@ class TestIPMcast(VppTestCase):
         self.pg3.assert_nothing_captured(
             remark="IP multicast packets forwarded on PG3")
 
+        self.vapi.cli("packet mac-filter pg0 off")
+        self.vapi.cli("packet mac-filter pg1 off")
+        self.vapi.cli("packet mac-filter pg2 off")
+        self.vapi.cli("packet mac-filter pg4 off")
+        self.vapi.cli("packet mac-filter pg5 off")
+        self.vapi.cli("packet mac-filter pg6 off")
+        self.vapi.cli("packet mac-filter pg7 off")
+
     def _mcast_connected_send_stream(self, dst_ip):
         self.vapi.cli("clear trace")
         tx = self.create_stream_ip4(self.pg0,
@@ -795,6 +827,79 @@ class TestIPMcast(VppTestCase):
         self.verify_capture_ip4(self.pg1, tx)
         self.verify_capture_ip4(self.pg2, tx)
 
+    def test_ip_mcast_gre(self):
+        """ IP Multicast Replication over GRE"""
+
+        gre_if_1 = VppGreInterface(
+            self,
+            self.pg1.local_ip4,
+            self.pg1.remote_ip4).add_vpp_config()
+        gre_if_2 = VppGreInterface(
+            self,
+            self.pg2.local_ip4,
+            self.pg2.remote_ip4).add_vpp_config()
+        gre_if_3 = VppGreInterface(
+            self,
+            self.pg3.local_ip4,
+            self.pg3.remote_ip4).add_vpp_config()
+
+        gre_if_1.admin_up()
+        gre_if_1.config_ip4()
+        gre_if_2.admin_up()
+        gre_if_2.config_ip4()
+        gre_if_3.admin_up()
+        gre_if_3.config_ip4()
+
+        #
+        # An (S,G).
+        # one accepting interface, pg0, 2 forwarding interfaces
+        #
+        route_1_1_1_1_232_1_1_1 = VppIpMRoute(
+            self,
+            "1.1.1.1",
+            "232.2.2.2", 64,
+            MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+            [VppMRoutePath(gre_if_1.sw_if_index,
+                           MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+             VppMRoutePath(gre_if_2.sw_if_index,
+                           MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
+             VppMRoutePath(gre_if_3.sw_if_index,
+                           MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+        route_1_1_1_1_232_1_1_1.add_vpp_config()
+
+        #
+        # a stream that matches the route for (1.1.1.1,232.2.2.2)
+        #  small packets
+        #
+        tx = (Ether(dst=self.pg1.local_mac,
+                    src=self.pg1.remote_mac) /
+              IP(src=self.pg1.remote_ip4,
+                 dst=self.pg1.local_ip4) /
+              GRE() /
+              IP(src="1.1.1.1", dst="232.2.2.2") /
+              UDP(sport=1234, dport=1234) /
+              Raw(b'\a5' * 64)) * 63
+
+        self.vapi.cli("clear trace")
+        self.pg1.add_stream(tx)
+
+        self.pg_enable_capture(self.pg_interfaces)
+        self.pg_start()
+
+        # We expect replications on Pg2 & 3
+        # check the encap headers are as expected based on the egress tunnel
+        rxs = self.pg2.get_capture(len(tx))
+        for rx in rxs:
+            self.assertEqual(rx[IP].src, gre_if_2.t_src)
+            self.assertEqual(rx[IP].dst, gre_if_2.t_dst)
+            self.assert_packet_checksums_valid(rx)
+
+        rxs = self.pg3.get_capture(len(tx))
+        for rx in rxs:
+            self.assertEqual(rx[IP].src, gre_if_3.t_src)
+            self.assertEqual(rx[IP].dst, gre_if_3.t_dst)
+            self.assert_packet_checksums_valid(rx)
+
     def test_ip6_mcast_vrf(self):
         """ IPv6 Multicast Replication in non-default table"""