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-rw-r--r--test/test_gtpu.py87
1 files changed, 87 insertions, 0 deletions
diff --git a/test/test_gtpu.py b/test/test_gtpu.py
index 199bd7d98ca..9f3c090726e 100644
--- a/test/test_gtpu.py
+++ b/test/test_gtpu.py
@@ -8,10 +8,97 @@ from template_bd import BridgeDomain
from scapy.layers.l2 import Ether, Raw
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
+class TestGtpuUDP(VppTestCase):
+ """ GTPU UDP ports Test Case """
+
+ def setUp(self):
+ super(TestGtpuUDP, self).tearDown()
+
+ 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 for dst port')[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 for dst port')[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(src_addr=self.pg0.local_ip4n,
+ dst_addr=self.pg0.remote_ip4n)
+
+ # UDP port 2152 enabled for ip4
+ self._check_udp_port_ip4()
+
+ r = self.vapi.gtpu_add_del_tunnel(is_ipv6=1,
+ src_addr=self.pg0.local_ip6n,
+ dst_addr=self.pg0.remote_ip6n)
+
+ # UDP port 2152 enabled for ip6
+ self._check_udp_port_ip6()
+
+ r = self.vapi.gtpu_add_del_tunnel(is_add=0,
+ src_addr=self.pg0.local_ip4n,
+ dst_addr=self.pg0.remote_ip4n)
+
+ r = self.vapi.gtpu_add_del_tunnel(is_add=0, is_ipv6=1,
+ src_addr=self.pg0.local_ip6n,
+ dst_addr=self.pg0.remote_ip6n)
+
+
class TestGtpu(BridgeDomain, VppTestCase):
""" GTPU Test Case """