#!/usr/bin/env python
import socket
-from util import ip4n_range
+from util import ip4n_range, ip4_range
import unittest
from framework import VppTestCase, VppTestRunner
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
+from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_ip import INVALID_INDEX
+
+
+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 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):
GTP_U_Header(teid=vni, gtp_type=self.gtp_type, length=150) /
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 GTPU header with its
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)
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)
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.mcast_flood_bd,
# 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):
+ 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_ip4n will not be resolved
- cls.vapi.ip_add_del_route(dest_ip4n, 32, next_hop_address)
+ rip = VppIpRoute(cls, dest_ip4, 32,
+ [VppRoutePath(next_hop_address,
+ INVALID_INDEX)],
+ register=False)
+ rip.add_vpp_config()
+ dest_ip4n = socket.inet_pton(socket.AF_INET, dest_ip4)
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(r.sw_if_index, bd_id=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):
teid=teid,
is_add=is_add)
if r.sw_if_index == 0xffffffff:
- raise "bad sw_if_index"
+ raise ValueError("bad sw_if_index: ~0")
@classmethod
def add_shared_mcast_dst_load(cls):
src_addr=cls.pg0.local_ip4n,
dst_addr=cls.pg0.remote_ip4n,
teid=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,
+ 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 teid 2 to test multicast flooding
cls.n_ucast_tunnels = 10
dst_addr=cls.mcast_ip4n,
mcast_sw_if_index=1,
teid=cls.mcast_flood_bd)
- cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index,
- bd_id=cls.mcast_flood_bd)
- cls.vapi.sw_interface_set_l2_bridge(cls.pg2.sw_if_index,
+ 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(
+ 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()
cls.ucast_flood_bd = 13
cls.create_gtpu_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(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()
- 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__':
Code Review / vpp.git / blobdiff