X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_gtpu.py;h=957181a71e45b04f2f709d3db0ee5dbc002a9629;hb=097fa66b986f06281f603767d321ab13ab6c88c3;hp=b0c0a7459dca6aab826cf74b62c08d99cf832d0f;hpb=2bc940272ec75d1094326eafb4a3fa2c614e3a7b;p=vpp.git diff --git a/test/test_gtpu.py b/test/test_gtpu.py index b0c0a7459dc..957181a71e4 100644 --- a/test/test_gtpu.py +++ b/test/test_gtpu.py @@ -1,15 +1,104 @@ #!/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): @@ -30,6 +119,10 @@ 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 @@ -82,7 +175,7 @@ class TestGtpu(BridgeDomain, 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) @@ -101,7 +194,7 @@ class TestGtpu(BridgeDomain, 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) @@ -119,7 +212,7 @@ class TestGtpu(BridgeDomain, 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.mcast_flood_bd, @@ -133,16 +226,22 @@ class TestGtpu(BridgeDomain, VppTestCase): # 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): @@ -161,7 +260,7 @@ class TestGtpu(BridgeDomain, VppTestCase): 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): @@ -235,10 +334,10 @@ class TestGtpu(BridgeDomain, VppTestCase): 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 @@ -250,10 +349,10 @@ class TestGtpu(BridgeDomain, VppTestCase): 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() @@ -265,24 +364,29 @@ class TestGtpu(BridgeDomain, VppTestCase): 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__':