teib: fix segv during failed deletion of entry

[vpp.git] / test / test_gtpu.py

diff --git a/test/test_gtpu.py b/test/test_gtpu.py
index 791067c..a6d54f5 100644 (file)
--- a/test/test_gtpu.py
+++ b/test/test_gtpu.py
@@ -21,7 +21,7 @@ from vpp_ip import INVALID_INDEX
 
 @tag_fixme_vpp_workers
 class TestGtpuUDP(VppTestCase):
 
 @tag_fixme_vpp_workers
 class TestGtpuUDP(VppTestCase):

-    """ GTPU UDP ports Test Case """
+    """GTPU UDP ports Test Case"""

 
     def setUp(self):
         super(TestGtpuUDP, self).setUp()
 
     def setUp(self):
         super(TestGtpuUDP, self).setUp()


@@ -39,15 +39,16 @@ class TestGtpuUDP(VppTestCase):
 
     def _check_udp_port_ip4(self, enabled=True):
 
 
     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))
+        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()
 
 
         self.pg0.add_stream(pkt)
         self.pg_start()
 

-        err = self.statistics.get_counter(
-            '/err/ip4-udp-lookup/No listener for dst port')[0]
+        err = self.statistics.get_counter("/err/ip4-udp-lookup/no_listener")[0]

 
         if enabled:
             self.assertEqual(err, self.ip4_err)
 
         if enabled:
             self.assertEqual(err, self.ip4_err)


@@ -58,15 +59,16 @@ class TestGtpuUDP(VppTestCase):
 
     def _check_udp_port_ip6(self, enabled=True):
 
 
     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))
+        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()
 
 
         self.pg0.add_stream(pkt)
         self.pg_start()
 

-        err = self.statistics.get_counter(
-            '/err/ip6-udp-lookup/No listener for dst port')[0]
+        err = self.statistics.get_counter("/err/ip6-udp-lookup/no_listener")[0]

 
         if enabled:
             self.assertEqual(err, self.ip6_err)
 
         if enabled:
             self.assertEqual(err, self.ip6_err)


@@ -76,46 +78,54 @@ class TestGtpuUDP(VppTestCase):
         self.ip6_err = err
 
     def test_udp_port(self):
         self.ip6_err = err
 
     def test_udp_port(self):

-        """ test UDP ports
+        """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)
 
         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)
+        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()
 
 
         # 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)
+        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()
 
 
         # 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_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)
+        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)


@@ -126,14 +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):


@@ -141,11 +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):
         """


@@ -178,7 +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
         """


@@ -197,7 +211,7 @@ class TestGtpu(BridgeDomain, VppTestCase):
         # self.assert_eq_pkts(payload, self.frame_reply)
 
     def test_ucast_flood(self):
         # 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
         """


@@ -215,7 +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
         """


@@ -228,8 +242,9 @@ class TestGtpu(BridgeDomain, VppTestCase):
         # Pick first received frame and check if it's correctly encapsulated.
         out = self.pg0.get_capture(1)
         pkt = out[0]
         # 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.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)


@@ -240,13 +255,15 @@ class TestGtpu(BridgeDomain, VppTestCase):
         ip_range_start = 10
         ip_range_end = ip_range_start + n_ucast_tunnels
         next_hop_address = cls.pg0.remote_ip4
         ip_range_start = 10
         ip_range_end = ip_range_start + n_ucast_tunnels
         next_hop_address = cls.pg0.remote_ip4

-        for dest_ip4 in ip4_range(next_hop_address, ip_range_start,
-                                  ip_range_end):
+        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
             # 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 = VppIpRoute(
+                cls,
+                dest_ip4,
+                32,
+                [VppRoutePath(next_hop_address, INVALID_INDEX)],
+                register=False,
+            )

             rip.add_vpp_config()
             r = cls.vapi.gtpu_add_del_tunnel(
                 is_add=True,
             rip.add_vpp_config()
             r = cls.vapi.gtpu_add_del_tunnel(
                 is_add=True,


@@ -254,9 +271,11 @@ class TestGtpu(BridgeDomain, VppTestCase):
                 decap_next_index=0xFFFFFFFF,
                 src_address=cls.pg0.local_ip4,
                 dst_address=dest_ip4,
                 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)
+                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):


@@ -274,8 +293,9 @@ class TestGtpu(BridgeDomain, VppTestCase):
                 dst_address=cls.mcast_ip4,
                 mcast_sw_if_index=1,
                 teid=teid,
                 dst_address=cls.mcast_ip4,
                 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


@@ -294,16 +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_ip4 in ip4_range(cls.mcast_ip4, ip_range_start,
-                                  ip_range_end):
-            teid = int(dest_ip4.split('.')[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(
                 decap_next_index=0xFFFFFFFF,
                 src_address=cls.pg0.local_ip4,
                 dst_address=dest_ip4,
                 mcast_sw_if_index=1,
                 teid=teid,
             cls.vapi.gtpu_add_del_tunnel(
                 decap_next_index=0xFFFFFFFF,
                 src_address=cls.pg0.local_ip4,
                 dst_address=dest_ip4,
                 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):


@@ -324,7 +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))


@@ -338,7 +358,7 @@ 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_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
             cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4)
 
             # Create GTPU VTEP on VPP pg0, and put gtpu_tunnel0 and pg1


@@ -351,28 +371,33 @@ class TestGtpu(BridgeDomain, VppTestCase):
                 decap_next_index=0xFFFFFFFF,
                 src_address=cls.pg0.local_ip4,
                 dst_address=cls.pg0.remote_ip4,
                 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(rx_sw_if_index=r.sw_if_index,
-                                                bd_id=cls.single_tunnel_bd)
+                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(
                 is_add=True,
                 src_address=cls.pg0.local_ip4,
                 dst_address=cls.mcast_ip4,
                 mcast_sw_if_index=1,
                 decap_next_index=0xFFFFFFFF,
             r = cls.vapi.gtpu_add_del_tunnel(
                 is_add=True,
                 src_address=cls.pg0.local_ip4,
                 dst_address=cls.mcast_ip4,
                 mcast_sw_if_index=1,
                 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)
+                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()


@@ -382,10 +407,10 @@ 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


@@ -409,5 +434,5 @@ class TestGtpu(BridgeDomain, VppTestCase):
         self.logger.info(self.vapi.cli("show trace"))
 
 
         self.logger.info(self.vapi.cli("show trace"))
 
 

-if __name__ == '__main__':
+if __name__ == "__main__":

     unittest.main(testRunner=VppTestRunner)
     unittest.main(testRunner=VppTestRunner)