ipsec: IPSec protection for multi-point tunnel interfaces
[vpp.git] / test / test_vxlan.py
index 3c824b5..7613054 100644 (file)
@@ -1,31 +1,18 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import socket
-from util import ip4n_range, ip4_range
+from util import ip4n_range, ip4_range, reassemble4
 import unittest
 from framework import VppTestCase, VppTestRunner
 from template_bd import BridgeDomain
 
-from scapy.layers.l2 import Ether, Raw
+from scapy.layers.l2 import Ether
+from scapy.packet import Raw
 from scapy.layers.inet import IP, UDP
 from scapy.layers.vxlan import VXLAN
 from scapy.utils import atol
-
-import StringIO
-
-
-def reassemble(listoffragments):
-    buffer = StringIO.StringIO()
-    first = listoffragments[0]
-    buffer.seek(20)
-    for pkt in listoffragments:
-        buffer.seek(pkt[IP].frag*8)
-        buffer.write(pkt[IP].payload)
-    first.len = len(buffer.getvalue()) + 20
-    first.flags = 0
-    del(first.chksum)
-    header = str(first[IP])[:20]
-    return first[IP].__class__(header + buffer.getvalue())
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
 
 
 class TestVxlan(BridgeDomain, VppTestCase):
@@ -100,15 +87,19 @@ class TestVxlan(BridgeDomain, VppTestCase):
         # Create 10 ucast vxlan tunnels under bd
         ip_range_start = 10
         ip_range_end = ip_range_start + n_ucast_tunnels
-        next_hop_address = cls.pg0.remote_ip4n
-        for dest_ip4n in ip4n_range(next_hop_address, ip_range_start,
-                                    ip_range_end):
+        next_hop_address = cls.pg0.remote_ip4
+        for dest_ip4 in ip4_range(next_hop_address, ip_range_start,
+                                  ip_range_end):
             # add host route so dest_ip4n will not be resolved
-            cls.vapi.ip_add_del_route(dest_ip4n, 32, next_hop_address)
-            r = cls.vapi.vxlan_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=dest_ip4n,
-                vni=vni)
+            rip = VppIpRoute(cls, dest_ip4, 32,
+                             [VppRoutePath(next_hop_address,
+                                           INVALID_INDEX)],
+                             register=False)
+            rip.add_vpp_config()
+            dest_ip4n = socket.inet_pton(socket.AF_INET, dest_ip4)
+
+            r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+                                              dst_address=dest_ip4n, vni=vni)
             cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni)
 
     @classmethod
@@ -121,14 +112,12 @@ class TestVxlan(BridgeDomain, VppTestCase):
         vni_start = 10000
         vni_end = vni_start + n_shared_dst_tunnels
         for vni in range(vni_start, vni_end):
-            r = cls.vapi.vxlan_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.mcast_ip4n,
-                mcast_sw_if_index=1,
-                vni=vni,
-                is_add=is_add)
+            r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+                                              dst_address=cls.mcast_ip4n,
+                                              mcast_sw_if_index=1,
+                                              is_add=is_add, vni=vni)
             if r.sw_if_index == 0xffffffff:
-                raise "bad sw_if_index"
+                raise ValueError("bad sw_if_index: ~0")
 
     @classmethod
     def add_shared_mcast_dst_load(cls):
@@ -149,12 +138,10 @@ class TestVxlan(BridgeDomain, VppTestCase):
         for dest_ip4n in ip4n_range(cls.mcast_ip4n, ip_range_start,
                                     ip_range_end):
             vni = bytearray(dest_ip4n)[3]
-            cls.vapi.vxlan_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=dest_ip4n,
-                mcast_sw_if_index=1,
-                vni=vni,
-                is_add=is_add)
+            cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+                                          dst_address=dest_ip4n,
+                                          mcast_sw_if_index=1, is_add=is_add,
+                                          vni=vni)
 
     @classmethod
     def add_mcast_tunnels_load(cls):
@@ -198,29 +185,27 @@ class TestVxlan(BridgeDomain, VppTestCase):
             # Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1
             #  into BD.
             cls.single_tunnel_bd = 1
-            r = cls.vapi.vxlan_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.pg0.remote_ip4n,
-                vni=cls.single_tunnel_bd)
-            cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index,
-                                                bd_id=cls.single_tunnel_bd)
-            cls.vapi.sw_interface_set_l2_bridge(cls.pg1.sw_if_index,
+            r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+                                              dst_address=cls.pg0.remote_ip4n,
+                                              vni=cls.single_tunnel_bd)
+            cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
                                                 bd_id=cls.single_tunnel_bd)
+            cls.vapi.sw_interface_set_l2_bridge(
+                rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd)
 
             # Setup vni 2 to test multicast flooding
             cls.n_ucast_tunnels = 10
             cls.mcast_flood_bd = 2
             cls.create_vxlan_flood_test_bd(cls.mcast_flood_bd,
                                            cls.n_ucast_tunnels)
-            r = cls.vapi.vxlan_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.mcast_ip4n,
-                mcast_sw_if_index=1,
-                vni=cls.mcast_flood_bd)
-            cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index,
-                                                bd_id=cls.mcast_flood_bd)
-            cls.vapi.sw_interface_set_l2_bridge(cls.pg2.sw_if_index,
+            r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+                                              dst_address=cls.mcast_ip4n,
+                                              mcast_sw_if_index=1,
+                                              vni=cls.mcast_flood_bd)
+            cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
                                                 bd_id=cls.mcast_flood_bd)
+            cls.vapi.sw_interface_set_l2_bridge(
+                rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd)
 
             # Add and delete mcast tunnels to check stability
             cls.add_shared_mcast_dst_load()
@@ -232,12 +217,16 @@ class TestVxlan(BridgeDomain, VppTestCase):
             cls.ucast_flood_bd = 3
             cls.create_vxlan_flood_test_bd(cls.ucast_flood_bd,
                                            cls.n_ucast_tunnels)
-            cls.vapi.sw_interface_set_l2_bridge(cls.pg3.sw_if_index,
-                                                bd_id=cls.ucast_flood_bd)
+            cls.vapi.sw_interface_set_l2_bridge(
+                rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd)
         except Exception:
             super(TestVxlan, cls).tearDownClass()
             raise
 
+    @classmethod
+    def tearDownClass(cls):
+        super(TestVxlan, cls).tearDownClass()
+
     def test_encap_big_packet(self):
         """ Encapsulation test send big frame from pg1
         Verify receipt of encapsulated frames on pg0
@@ -248,7 +237,7 @@ class TestVxlan(BridgeDomain, VppTestCase):
         frame = (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') /
                  IP(src='4.3.2.1', dst='1.2.3.4') /
                  UDP(sport=20000, dport=10000) /
-                 Raw('\xa5' * 1450))
+                 Raw(b'\xa5' * 1450))
 
         self.pg1.add_stream([frame])
 
@@ -259,7 +248,7 @@ class TestVxlan(BridgeDomain, VppTestCase):
         # Pick first received frame and check if it's correctly encapsulated.
         out = self.pg0.get_capture(2)
         ether = out[0]
-        pkt = reassemble(out)
+        pkt = reassemble4(out)
         pkt = ether / pkt
         self.check_encapsulation(pkt, self.single_tunnel_bd)
 
@@ -272,11 +261,12 @@ class TestVxlan(BridgeDomain, VppTestCase):
     #  @param self The object pointer.
     def tearDown(self):
         super(TestVxlan, self).tearDown()
-        if not self.vpp_dead:
-            self.logger.info(self.vapi.cli("show bridge-domain 1 detail"))
-            self.logger.info(self.vapi.cli("show bridge-domain 2 detail"))
-            self.logger.info(self.vapi.cli("show bridge-domain 3 detail"))
-            self.logger.info(self.vapi.cli("show vxlan tunnel"))
+
+    def show_commands_at_teardown(self):
+        self.logger.info(self.vapi.cli("show bridge-domain 1 detail"))
+        self.logger.info(self.vapi.cli("show bridge-domain 2 detail"))
+        self.logger.info(self.vapi.cli("show bridge-domain 3 detail"))
+        self.logger.info(self.vapi.cli("show vxlan tunnel"))
 
 
 if __name__ == '__main__':