VOM: mroutes

[vpp.git] / test / test_vxlan.py

diff --git a/test/test_vxlan.py b/test/test_vxlan.py
index 35a0aa0..34bf11a 100644 (file)
--- a/test/test_vxlan.py
+++ b/test/test_vxlan.py
@@ -1,12 +1,12 @@
 #!/usr/bin/env python
 
 import socket
 #!/usr/bin/env python
 
 import socket

-from util import ip4n_range
+from util import ip4n_range, ip4_range, reassemble4

 import unittest
 from framework import VppTestCase, VppTestRunner
 from template_bd import BridgeDomain
 
 import unittest
 from framework import VppTestCase, VppTestRunner
 from template_bd import BridgeDomain
 

-from scapy.layers.l2 import Ether
+from scapy.layers.l2 import Ether, Raw

 from scapy.layers.inet import IP, UDP
 from scapy.layers.vxlan import VXLAN
 from scapy.utils import atol
 from scapy.layers.inet import IP, UDP
 from scapy.layers.vxlan import VXLAN
 from scapy.utils import atol


@@ -30,6 +30,10 @@ class TestVxlan(BridgeDomain, VppTestCase):
                 VXLAN(vni=vni, flags=self.flags) /
                 pkt)
 
                 VXLAN(vni=vni, flags=self.flags) /
                 pkt)
 

+    def ip_range(self, start, end):
+        """ range of remote ip's """
+        return ip4_range(self.pg0.remote_ip4, start, end)
+

     def encap_mcast(self, pkt, src_ip, src_mac, vni):
         """
         Encapsulate the original payload frame by adding VXLAN header with its
     def encap_mcast(self, pkt, src_ip, src_mac, vni):
         """
         Encapsulate the original payload frame by adding VXLAN header with its


@@ -51,17 +55,23 @@ class TestVxlan(BridgeDomain, VppTestCase):
 
     # Method for checking VXLAN encapsulation.
     #
 
     # Method for checking VXLAN encapsulation.
     #

-    def check_encapsulation(self, pkt, vni, local_only=False):
+    def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False):

         # TODO: add error messages
         # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
         #  by VPP using ARP.
         self.assertEqual(pkt[Ether].src, self.pg0.local_mac)
         if not local_only:
         # TODO: add error messages
         # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved
         #  by VPP using ARP.
         self.assertEqual(pkt[Ether].src, self.pg0.local_mac)
         if not local_only:

-            self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
+            if not mcast_pkt:
+                self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac)
+            else:
+                self.assertEqual(pkt[Ether].dst, type(self).mcast_mac)

         # Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP.
         self.assertEqual(pkt[IP].src, self.pg0.local_ip4)
         if not local_only:
         # Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP.
         self.assertEqual(pkt[IP].src, self.pg0.local_ip4)
         if not local_only:

-            self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
+            if not mcast_pkt:
+                self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4)
+            else:
+                self.assertEqual(pkt[IP].dst, type(self).mcast_ip4)

         # Verify UDP destination port is VXLAN 4789, source UDP port could be
         #  arbitrary.
         self.assertEqual(pkt[UDP].dport, type(self).dport)
         # Verify UDP destination port is VXLAN 4789, source UDP port could be
         #  arbitrary.
         self.assertEqual(pkt[UDP].dport, type(self).dport)


@@ -91,16 +101,18 @@ class TestVxlan(BridgeDomain, VppTestCase):
         add or del tunnels sharing the same mcast dst
         to test vxlan ref_count mechanism
         """
         add or del tunnels sharing the same mcast dst
         to test vxlan ref_count mechanism
         """

-        n_shared_dst_tunnels = 2000
+        n_shared_dst_tunnels = 20

         vni_start = 10000
         vni_end = vni_start + n_shared_dst_tunnels
         for vni in range(vni_start, vni_end):
         vni_start = 10000
         vni_end = vni_start + n_shared_dst_tunnels
         for vni in range(vni_start, vni_end):

-            cls.vapi.vxlan_add_del_tunnel(
+            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)
                 src_addr=cls.pg0.local_ip4n,
                 dst_addr=cls.mcast_ip4n,
                 mcast_sw_if_index=1,
                 vni=vni,
                 is_add=is_add)

+            if r.sw_if_index == 0xffffffff:
+                raise "bad sw_if_index"

 
     @classmethod
     def add_shared_mcast_dst_load(cls):
 
     @classmethod
     def add_shared_mcast_dst_load(cls):


@@ -210,6 +222,35 @@ class TestVxlan(BridgeDomain, VppTestCase):
             super(TestVxlan, cls).tearDownClass()
             raise
 
             super(TestVxlan, cls).tearDownClass()
             raise
 

+    def test_encap_big_packet(self):
+        """ Encapsulation test send big frame from pg1
+        Verify receipt of encapsulated frames on pg0
+        """
+
+        self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [1500, 0, 0, 0])
+
+        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))
+
+        self.pg1.add_stream([frame])
+
+        self.pg0.enable_capture()
+
+        self.pg_start()
+
+        # Pick first received frame and check if it's correctly encapsulated.
+        out = self.pg0.get_capture(2)
+        ether = out[0]
+        pkt = reassemble4(out)
+        pkt = ether / pkt
+        self.check_encapsulation(pkt, self.single_tunnel_bd)
+
+        payload = self.decapsulate(pkt)
+        # TODO: Scapy bug?
+        # self.assert_eq_pkts(payload, frame)
+

     # Method to define VPP actions before tear down of the test case.
     #  Overrides tearDown method in VppTestCase class.
     #  @param self The object pointer.
     # Method to define VPP actions before tear down of the test case.
     #  Overrides tearDown method in VppTestCase class.
     #  @param self The object pointer.