nat: use correct data types for memory sizes
[vpp.git] / test / test_vxlan_gbp.py
index 919ecbc..19790df 100644 (file)
@@ -1,32 +1,18 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import socket
-from util import ip4_range
+from util import ip4_range, reassemble4_ether
 import unittest
 from framework import VppTestCase, VppTestRunner
 from template_bd import BridgeDomain
-from vpp_ip import VppIpAddress
 
-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[Ether])[:34]
-    return first[Ether].__class__(header + buffer.getvalue())
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
 
 
 class TestVxlanGbp(VppTestCase):
@@ -38,7 +24,7 @@ class TestVxlanGbp(VppTestCase):
         return (Ether(src='00:00:00:00:00:01', dst='00:00:00:00:00:02') /
                 IP(src='1.2.3.4', dst='4.3.2.1') /
                 UDP(sport=10000, dport=20000) /
-                Raw('\xa5' * 100))
+                Raw(b'\xa5' * 100))
 
     @property
     def frame_reply(self):
@@ -46,7 +32,7 @@ class TestVxlanGbp(VppTestCase):
         return (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' * 100))
+                Raw(b'\xa5' * 100))
 
     def encapsulate(self, pkt, vni):
         """
@@ -106,18 +92,29 @@ class TestVxlanGbp(VppTestCase):
         # Create 2 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
+        next_hop_address = cls.pg0.remote_ip4
         for dest_ip4 in ip4_range(cls.pg0.remote_ip4,
                                   ip_range_start,
                                   ip_range_end):
             # add host route so dest_ip4n will not be resolved
-            vip = VppIpAddress(dest_ip4)
-            cls.vapi.ip_add_del_route(vip.bytes, 32, next_hop_address)
+            rip = VppIpRoute(cls, dest_ip4, 32,
+                             [VppRoutePath(next_hop_address,
+                                           INVALID_INDEX)],
+                             register=False)
+            rip.add_vpp_config()
             r = cls.vapi.vxlan_gbp_tunnel_add_del(
-                VppIpAddress(cls.pg0.local_ip4).encode(),
-                vip.encode(),
-                vni=vni)
-            cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni)
+                tunnel={
+                    'src': cls.pg0.local_ip4,
+                    'dst': dest_ip4,
+                    'vni': vni,
+                    'instance': INVALID_INDEX,
+                    'mcast_sw_if_index': INVALID_INDEX,
+                    'mode': 1,
+                },
+                is_add=1
+            )
+            cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
+                                                bd_id=vni)
 
     # Class method to start the VXLAN GBP test case.
     #  Overrides setUpClass method in VppTestCase class.
@@ -149,13 +146,21 @@ class TestVxlanGbp(VppTestCase):
             # pg1 into BD.
             cls.single_tunnel_bd = 1
             r = cls.vapi.vxlan_gbp_tunnel_add_del(
-                VppIpAddress(cls.pg0.local_ip4).encode(),
-                VppIpAddress(cls.pg0.remote_ip4).encode(),
-                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,
+                tunnel={
+                    'src': cls.pg0.local_ip4,
+                    'dst': cls.pg0.remote_ip4,
+                    'vni': cls.single_tunnel_bd,
+                    'instance': INVALID_INDEX,
+                    'mcast_sw_if_index': INVALID_INDEX,
+                    'mode': 1,
+                },
+                is_add=1
+            )
+            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 = 2
@@ -163,12 +168,17 @@ class TestVxlanGbp(VppTestCase):
             cls.ucast_flood_bd = 3
             cls.create_vxlan_gbp_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(TestVxlanGbp, cls).tearDownClass()
             raise
 
+    @classmethod
+    def tearDownClass(cls):
+        super(TestVxlanGbp, cls).tearDownClass()
+
     def assert_eq_pkts(self, pkt1, pkt2):
         """ Verify the Ether, IP, UDP, payload are equal in both
         packets
@@ -212,7 +222,7 @@ class TestVxlanGbp(VppTestCase):
 
         self.pg_start()
 
-        # Pick first received frame and check if it's corectly encapsulated.
+        # Pick first received frame and check if it's correctly encapsulated.
         out = self.pg0.get_capture(1)
         pkt = out[0]
         self.check_encapsulation(pkt, self.single_tunnel_bd)
@@ -231,7 +241,7 @@ class TestVxlanGbp(VppTestCase):
 
         self.pg_start()
 
-        # Get packet from each tunnel and assert it's corectly encapsulated.
+        # Get packet from each tunnel and assert it's correctly encapsulated.
         out = self.pg0.get_capture(self.n_ucast_tunnels)
         for pkt in out:
             self.check_encapsulation(pkt, self.ucast_flood_bd, True)
@@ -248,7 +258,7 @@ class TestVxlanGbp(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])
 
@@ -258,7 +268,7 @@ class TestVxlanGbp(VppTestCase):
 
         # Pick first received frame and check if it's correctly encapsulated.
         out = self.pg0.get_capture(2)
-        pkt = reassemble(out)
+        pkt = reassemble4_ether(out)
         self.check_encapsulation(pkt, self.single_tunnel_bd)
 
         payload = self.decapsulate(pkt)
@@ -269,11 +279,12 @@ class TestVxlanGbp(VppTestCase):
 #  @param self The object pointer.
     def tearDown(self):
         super(TestVxlanGbp, 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 3 detail"))
-            self.logger.info(self.vapi.cli("show vxlan-gbp tunnel"))
-            self.logger.info(self.vapi.cli("show error"))
+
+    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 3 detail"))
+        self.logger.info(self.vapi.cli("show vxlan-gbp tunnel"))
+        self.logger.info(self.vapi.cli("show error"))
 
 
 if __name__ == '__main__':