build: replace phony target with .ok file
[vpp.git] / test / test_gtpu.py
index 4b77628..a6d54f5 100644 (file)
-#!/usr/bin/env python
+#!/usr/bin/env python3
 
 import socket
 
 import socket
-from util import ip4n_range, ip4_range
+from util import ip4_range
 import unittest
 import unittest
+from framework import tag_fixme_vpp_workers
 from framework import VppTestCase, VppTestRunner
 from template_bd import BridgeDomain
 
 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.inet import IP, UDP
+from scapy.layers.inet6 import IPv6
 from scapy.contrib.gtp import GTP_U_Header
 from scapy.utils import atol
 
 from scapy.contrib.gtp import GTP_U_Header
 from scapy.utils import atol
 
+import util
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
+
+
+@tag_fixme_vpp_workers
+class TestGtpuUDP(VppTestCase):
+    """GTPU UDP ports Test Case"""
+
+    def setUp(self):
+        super(TestGtpuUDP, self).setUp()
+
+        self.dport = 2152
+
+        self.ip4_err = 0
+        self.ip6_err = 0
+
+        self.create_pg_interfaces(range(1))
+        for pg in self.pg_interfaces:
+            pg.admin_up()
+        self.pg0.config_ip4()
+        self.pg0.config_ip6()
+
+    def _check_udp_port_ip4(self, enabled=True):
+
+        pkt = (
+            Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac)
+            / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4)
+            / UDP(sport=self.dport, dport=self.dport, chksum=0)
+        )
+
+        self.pg0.add_stream(pkt)
+        self.pg_start()
+
+        err = self.statistics.get_counter("/err/ip4-udp-lookup/no_listener")[0]
+
+        if enabled:
+            self.assertEqual(err, self.ip4_err)
+        else:
+            self.assertEqual(err, self.ip4_err + 1)
+
+        self.ip4_err = err
+
+    def _check_udp_port_ip6(self, enabled=True):
+
+        pkt = (
+            Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac)
+            / IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6)
+            / UDP(sport=self.dport, dport=self.dport, chksum=0)
+        )
+
+        self.pg0.add_stream(pkt)
+        self.pg_start()
+
+        err = self.statistics.get_counter("/err/ip6-udp-lookup/no_listener")[0]
+
+        if enabled:
+            self.assertEqual(err, self.ip6_err)
+        else:
+            self.assertEqual(err, self.ip6_err + 1)
+
+        self.ip6_err = err
+
+    def test_udp_port(self):
+        """test UDP ports
+        Check if there are no udp listeners before gtpu is enabled
+        """
+        # UDP ports should be disabled unless a tunnel is configured
+        self._check_udp_port_ip4(False)
+        self._check_udp_port_ip6(False)
+
+        r = self.vapi.gtpu_add_del_tunnel(
+            is_add=True,
+            mcast_sw_if_index=0xFFFFFFFF,
+            decap_next_index=0xFFFFFFFF,
+            src_address=self.pg0.local_ip4,
+            dst_address=self.pg0.remote_ip4,
+        )
+
+        # UDP port 2152 enabled for ip4
+        self._check_udp_port_ip4()
+
+        r = self.vapi.gtpu_add_del_tunnel(
+            is_add=True,
+            mcast_sw_if_index=0xFFFFFFFF,
+            decap_next_index=0xFFFFFFFF,
+            src_address=self.pg0.local_ip6,
+            dst_address=self.pg0.remote_ip6,
+        )
+
+        # UDP port 2152 enabled for ip6
+        self._check_udp_port_ip6()
+
+        r = self.vapi.gtpu_add_del_tunnel(
+            is_add=False,
+            mcast_sw_if_index=0xFFFFFFFF,
+            decap_next_index=0xFFFFFFFF,
+            src_address=self.pg0.local_ip4,
+            dst_address=self.pg0.remote_ip4,
+        )
+
+        r = self.vapi.gtpu_add_del_tunnel(
+            is_add=False,
+            mcast_sw_if_index=0xFFFFFFFF,
+            decap_next_index=0xFFFFFFFF,
+            src_address=self.pg0.local_ip6,
+            dst_address=self.pg0.remote_ip6,
+        )
+
 
 class TestGtpu(BridgeDomain, VppTestCase):
 
 class TestGtpu(BridgeDomain, VppTestCase):
-    """ GTPU Test Case """
+    """GTPU Test Case"""
 
     def __init__(self, *args):
         BridgeDomain.__init__(self)
 
     def __init__(self, *args):
         BridgeDomain.__init__(self)
@@ -24,14 +136,16 @@ class TestGtpu(BridgeDomain, VppTestCase):
         Encapsulate the original payload frame by adding GTPU header with its
         UDP, IP and Ethernet fields
         """
         Encapsulate the original payload frame by adding GTPU header with its
         UDP, IP and Ethernet fields
         """
-        return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) /
-                IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
-                UDP(sport=self.dport, dport=self.dport, chksum=0) /
-                GTP_U_Header(teid=vni, gtp_type=self.gtp_type, length=150) /
-                pkt)
+        return (
+            Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac)
+            / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4)
+            / UDP(sport=self.dport, dport=self.dport, chksum=0)
+            / GTP_U_Header(teid=vni, gtp_type=self.gtp_type, length=150)
+            / pkt
+        )
 
     def ip_range(self, start, end):
 
     def ip_range(self, start, end):
-        """ range of remote ip's """
+        """range of remote ip's"""
         return ip4_range(self.pg0.remote_ip4, start, end)
 
     def encap_mcast(self, pkt, src_ip, src_mac, vni):
         return ip4_range(self.pg0.remote_ip4, start, end)
 
     def encap_mcast(self, pkt, src_ip, src_mac, vni):
@@ -39,11 +153,13 @@ class TestGtpu(BridgeDomain, VppTestCase):
         Encapsulate the original payload frame by adding GTPU header with its
         UDP, IP and Ethernet fields
         """
         Encapsulate the original payload frame by adding GTPU header with its
         UDP, IP and Ethernet fields
         """
-        return (Ether(src=src_mac, dst=self.mcast_mac) /
-                IP(src=src_ip, dst=self.mcast_ip4) /
-                UDP(sport=self.dport, dport=self.dport, chksum=0) /
-                GTP_U_Header(teid=vni, gtp_type=self.gtp_type, length=150) /
-                pkt)
+        return (
+            Ether(src=src_mac, dst=self.mcast_mac)
+            / IP(src=src_ip, dst=self.mcast_ip4)
+            / UDP(sport=self.dport, dport=self.dport, chksum=0)
+            / GTP_U_Header(teid=vni, gtp_type=self.gtp_type, length=150)
+            / pkt
+        )
 
     def decapsulate(self, pkt):
         """
 
     def decapsulate(self, pkt):
         """
@@ -76,7 +192,7 @@ class TestGtpu(BridgeDomain, VppTestCase):
         self.assertEqual(pkt[GTP_U_Header].teid, vni)
 
     def test_encap(self):
         self.assertEqual(pkt[GTP_U_Header].teid, vni)
 
     def test_encap(self):
-        """ Encapsulation test
+        """Encapsulation test
         Send frames from pg1
         Verify receipt of encapsulated frames on pg0
         """
         Send frames from pg1
         Verify receipt of encapsulated frames on pg0
         """
@@ -86,16 +202,16 @@ class TestGtpu(BridgeDomain, VppTestCase):
 
         self.pg_start()
 
 
         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]
         out = self.pg0.get_capture(1)
         pkt = out[0]
-        self.check_encapsulation(pkt, self.single_tunnel_bd)
+        self.check_encapsulation(pkt, self.single_tunnel_vni)
 
         # payload = self.decapsulate(pkt)
         # self.assert_eq_pkts(payload, self.frame_reply)
 
     def test_ucast_flood(self):
 
         # payload = self.decapsulate(pkt)
         # self.assert_eq_pkts(payload, self.frame_reply)
 
     def test_ucast_flood(self):
-        """ Unicast flood test
+        """Unicast flood test
         Send frames from pg3
         Verify receipt of encapsulated frames on pg0
         """
         Send frames from pg3
         Verify receipt of encapsulated frames on pg0
         """
@@ -105,7 +221,7 @@ class TestGtpu(BridgeDomain, VppTestCase):
 
         self.pg_start()
 
 
         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)
         out = self.pg0.get_capture(self.n_ucast_tunnels)
         for pkt in out:
             self.check_encapsulation(pkt, self.ucast_flood_bd, True)
@@ -113,7 +229,7 @@ class TestGtpu(BridgeDomain, VppTestCase):
             # self.assert_eq_pkts(payload, self.frame_reply)
 
     def test_mcast_flood(self):
             # self.assert_eq_pkts(payload, self.frame_reply)
 
     def test_mcast_flood(self):
-        """ Multicast flood test
+        """Multicast flood test
         Send frames from pg2
         Verify receipt of encapsulated frames on pg0
         """
         Send frames from pg2
         Verify receipt of encapsulated frames on pg0
         """
@@ -123,11 +239,12 @@ class TestGtpu(BridgeDomain, VppTestCase):
 
         self.pg_start()
 
 
         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]
         out = self.pg0.get_capture(1)
         pkt = out[0]
-        self.check_encapsulation(pkt, self.mcast_flood_bd,
-                                 local_only=False, mcast_pkt=True)
+        self.check_encapsulation(
+            pkt, self.mcast_flood_bd, local_only=False, mcast_pkt=True
+        )
 
         # payload = self.decapsulate(pkt)
         # self.assert_eq_pkts(payload, self.frame_reply)
 
         # payload = self.decapsulate(pkt)
         # self.assert_eq_pkts(payload, self.frame_reply)
@@ -137,19 +254,28 @@ class TestGtpu(BridgeDomain, VppTestCase):
         # Create 10 ucast gtpu tunnels under bd
         ip_range_start = 10
         ip_range_end = ip_range_start + n_ucast_tunnels
         # Create 10 ucast gtpu 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):
-            # add host route so dest_ip4n will not be resolved
-            cls.vapi.ip_add_del_route(dst_address=dest_ip4n,
-                                      dst_address_length=32,
-                                      next_hop_address=next_hop_address)
+        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_ip4 will not be resolved
+            rip = VppIpRoute(
+                cls,
+                dest_ip4,
+                32,
+                [VppRoutePath(next_hop_address, INVALID_INDEX)],
+                register=False,
+            )
+            rip.add_vpp_config()
             r = cls.vapi.gtpu_add_del_tunnel(
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=dest_ip4n,
-                teid=teid)
-            cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
-                                                bd_id=teid)
+                is_add=True,
+                mcast_sw_if_index=0xFFFFFFFF,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=dest_ip4,
+                teid=teid,
+            )
+            cls.vapi.sw_interface_set_l2_bridge(
+                rx_sw_if_index=r.sw_if_index, bd_id=teid
+            )
 
     @classmethod
     def add_del_shared_mcast_dst_load(cls, is_add):
 
     @classmethod
     def add_del_shared_mcast_dst_load(cls, is_add):
@@ -162,12 +288,14 @@ class TestGtpu(BridgeDomain, VppTestCase):
         teid_end = teid_start + n_shared_dst_tunnels
         for teid in range(teid_start, teid_end):
             r = cls.vapi.gtpu_add_del_tunnel(
         teid_end = teid_start + n_shared_dst_tunnels
         for teid in range(teid_start, teid_end):
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.mcast_ip4n,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=cls.mcast_ip4,
                 mcast_sw_if_index=1,
                 teid=teid,
                 mcast_sw_if_index=1,
                 teid=teid,
-                is_add=is_add)
-            if r.sw_if_index == 0xffffffff:
+                is_add=is_add,
+            )
+            if r.sw_if_index == 0xFFFFFFFF:
                 raise ValueError("bad sw_if_index: ~0")
 
     @classmethod
                 raise ValueError("bad sw_if_index: ~0")
 
     @classmethod
@@ -186,15 +314,16 @@ class TestGtpu(BridgeDomain, VppTestCase):
         n_distinct_dst_tunnels = 20
         ip_range_start = 10
         ip_range_end = ip_range_start + n_distinct_dst_tunnels
         n_distinct_dst_tunnels = 20
         ip_range_start = 10
         ip_range_end = ip_range_start + n_distinct_dst_tunnels
-        for dest_ip4n in ip4n_range(cls.mcast_ip4n, ip_range_start,
-                                    ip_range_end):
-            teid = bytearray(dest_ip4n)[3]
+        for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start, ip_range_end):
+            teid = int(dest_ip4.split(".")[3])
             cls.vapi.gtpu_add_del_tunnel(
             cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=dest_ip4n,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=dest_ip4,
                 mcast_sw_if_index=1,
                 teid=teid,
                 mcast_sw_if_index=1,
                 teid=teid,
-                is_add=is_add)
+                is_add=is_add,
+            )
 
     @classmethod
     def add_mcast_tunnels_load(cls):
 
     @classmethod
     def add_mcast_tunnels_load(cls):
@@ -215,7 +344,7 @@ class TestGtpu(BridgeDomain, VppTestCase):
 
         try:
             cls.dport = 2152
 
         try:
             cls.dport = 2152
-            cls.gtp_type = 0xff
+            cls.gtp_type = 0xFF
 
             # Create 2 pg interfaces.
             cls.create_pg_interfaces(range(4))
 
             # Create 2 pg interfaces.
             cls.create_pg_interfaces(range(4))
@@ -229,38 +358,46 @@ class TestGtpu(BridgeDomain, VppTestCase):
             cls.pg0.resolve_arp()
 
             # Our Multicast address
             cls.pg0.resolve_arp()
 
             # Our Multicast address
-            cls.mcast_ip4 = '239.1.1.1'
-            cls.mcast_ip4n = socket.inet_pton(socket.AF_INET, cls.mcast_ip4)
-            iplong = atol(cls.mcast_ip4)
-            cls.mcast_mac = "01:00:5e:%02x:%02x:%02x" % (
-                (iplong >> 16) & 0x7F, (iplong >> 8) & 0xFF, iplong & 0xFF)
+            cls.mcast_ip4 = "239.1.1.1"
+            cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4)
 
             # Create GTPU VTEP on VPP pg0, and put gtpu_tunnel0 and pg1
             #  into BD.
             cls.single_tunnel_bd = 11
 
             # Create GTPU VTEP on VPP pg0, and put gtpu_tunnel0 and pg1
             #  into BD.
             cls.single_tunnel_bd = 11
+            cls.single_tunnel_vni = 11
             r = cls.vapi.gtpu_add_del_tunnel(
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.pg0.remote_ip4n,
-                teid=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)
+                is_add=True,
+                mcast_sw_if_index=0xFFFFFFFF,
+                decap_next_index=0xFFFFFFFF,
+                src_address=cls.pg0.local_ip4,
+                dst_address=cls.pg0.remote_ip4,
+                teid=cls.single_tunnel_vni,
+            )
             cls.vapi.sw_interface_set_l2_bridge(
             cls.vapi.sw_interface_set_l2_bridge(
-                rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd)
+                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 teid 2 to test multicast flooding
             cls.n_ucast_tunnels = 10
             cls.mcast_flood_bd = 12
 
             # Setup teid 2 to test multicast flooding
             cls.n_ucast_tunnels = 10
             cls.mcast_flood_bd = 12
-            cls.create_gtpu_flood_test_bd(cls.mcast_flood_bd,
-                                          cls.n_ucast_tunnels)
+            cls.create_gtpu_flood_test_bd(cls.mcast_flood_bd, cls.n_ucast_tunnels)
             r = cls.vapi.gtpu_add_del_tunnel(
             r = cls.vapi.gtpu_add_del_tunnel(
-                src_addr=cls.pg0.local_ip4n,
-                dst_addr=cls.mcast_ip4n,
+                is_add=True,
+                src_address=cls.pg0.local_ip4,
+                dst_address=cls.mcast_ip4,
                 mcast_sw_if_index=1,
                 mcast_sw_if_index=1,
-                teid=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)
+                decap_next_index=0xFFFFFFFF,
+                teid=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(
             cls.vapi.sw_interface_set_l2_bridge(
-                rx_sw_if_index=cls.pg2.sw_if_index, bd_id=cls.mcast_flood_bd)
+                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()
 
             # Add and delete mcast tunnels to check stability
             cls.add_shared_mcast_dst_load()
@@ -270,27 +407,32 @@ class TestGtpu(BridgeDomain, VppTestCase):
 
             # Setup teid 3 to test unicast flooding
             cls.ucast_flood_bd = 13
 
             # Setup teid 3 to test unicast flooding
             cls.ucast_flood_bd = 13
-            cls.create_gtpu_flood_test_bd(cls.ucast_flood_bd,
-                                          cls.n_ucast_tunnels)
+            cls.create_gtpu_flood_test_bd(cls.ucast_flood_bd, cls.n_ucast_tunnels)
             cls.vapi.sw_interface_set_l2_bridge(
             cls.vapi.sw_interface_set_l2_bridge(
-                rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd)
+                rx_sw_if_index=cls.pg3.sw_if_index, bd_id=cls.ucast_flood_bd
+            )
         except Exception:
             super(TestGtpu, cls).tearDownClass()
             raise
 
         except Exception:
             super(TestGtpu, cls).tearDownClass()
             raise
 
+    @classmethod
+    def tearDownClass(cls):
+        super(TestGtpu, cls).tearDownClass()
+
     # Method to define VPP actions before tear down of the test case.
     #  Overrides tearDown method in VppTestCase class.
     #  @param self The object pointer.
     def tearDown(self):
         super(TestGtpu, self).tearDown()
     # Method to define VPP actions before tear down of the test case.
     #  Overrides tearDown method in VppTestCase class.
     #  @param self The object pointer.
     def tearDown(self):
         super(TestGtpu, self).tearDown()
-        if not self.vpp_dead:
-            self.logger.info(self.vapi.cli("show bridge-domain 11 detail"))
-            self.logger.info(self.vapi.cli("show bridge-domain 12 detail"))
-            self.logger.info(self.vapi.cli("show bridge-domain 13 detail"))
-            self.logger.info(self.vapi.cli("show int"))
-            self.logger.info(self.vapi.cli("show gtpu tunnel"))
-            self.logger.info(self.vapi.cli("show trace"))
+
+    def show_commands_at_teardown(self):
+        self.logger.info(self.vapi.cli("show bridge-domain 11 detail"))
+        self.logger.info(self.vapi.cli("show bridge-domain 12 detail"))
+        self.logger.info(self.vapi.cli("show bridge-domain 13 detail"))
+        self.logger.info(self.vapi.cli("show int"))
+        self.logger.info(self.vapi.cli("show gtpu tunnel"))
+        self.logger.info(self.vapi.cli("show trace"))
 
 
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     unittest.main(testRunner=VppTestRunner)
     unittest.main(testRunner=VppTestRunner)