X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_gtpu.py;h=fd97205ac634d8bad734cf6fd8acc3798166bcc0;hb=56e17cf7a23831b353bc1836def47dad7f869dad;hp=9f3c090726e50550b5000815258d27ede3108e57;hpb=ebae4196b2a4cd7470ec2ec8ade9b375a894eee7;p=vpp.git diff --git a/test/test_gtpu.py b/test/test_gtpu.py index 9f3c090726e..fd97205ac63 100644 --- a/test/test_gtpu.py +++ b/test/test_gtpu.py @@ -1,23 +1,27 @@ -#!/usr/bin/env python +#!/usr/bin/env python3 -import socket -from util import ip4n_range, ip4_range +from util import ip4_range import unittest -from framework import VppTestCase, VppTestRunner +from framework import VppTestCase +from asfframework import VppTestRunner, tag_fixme_vpp_workers from template_bd import BridgeDomain -from scapy.layers.l2 import Ether, Raw +from scapy.layers.l2 import Ether 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 +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 """ + """GTPU UDP ports Test Case""" def setUp(self): - super(TestGtpuUDP, self).tearDown() + super(TestGtpuUDP, self).setUp() self.dport = 2152 @@ -31,16 +35,16 @@ class TestGtpuUDP(VppTestCase): 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)) + 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] + err = self.statistics.get_counter("/err/ip4-udp-lookup/no_listener")[0] if enabled: self.assertEqual(err, self.ip4_err) @@ -50,16 +54,16 @@ class TestGtpuUDP(VppTestCase): 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)) + 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] + err = self.statistics.get_counter("/err/ip6-udp-lookup/no_listener")[0] if enabled: self.assertEqual(err, self.ip6_err) @@ -69,38 +73,54 @@ class TestGtpuUDP(VppTestCase): 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) - r = self.vapi.gtpu_add_del_tunnel(src_addr=self.pg0.local_ip4n, - dst_addr=self.pg0.remote_ip4n) + 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_ipv6=1, - src_addr=self.pg0.local_ip6n, - dst_addr=self.pg0.remote_ip6n) + 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=0, - src_addr=self.pg0.local_ip4n, - dst_addr=self.pg0.remote_ip4n) + 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=0, is_ipv6=1, - src_addr=self.pg0.local_ip6n, - dst_addr=self.pg0.remote_ip6n) + 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): - """ GTPU Test Case """ + """GTPU Test Case""" def __init__(self, *args): BridgeDomain.__init__(self) @@ -111,14 +131,16 @@ class TestGtpu(BridgeDomain, VppTestCase): 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): - """ 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): @@ -126,11 +148,13 @@ class TestGtpu(BridgeDomain, VppTestCase): 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): """ @@ -163,7 +187,7 @@ class TestGtpu(BridgeDomain, VppTestCase): 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 """ @@ -176,13 +200,13 @@ class TestGtpu(BridgeDomain, VppTestCase): # 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.check_encapsulation(pkt, self.single_tunnel_vni) # 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 """ @@ -200,7 +224,7 @@ class TestGtpu(BridgeDomain, VppTestCase): # 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 """ @@ -213,8 +237,9 @@ class TestGtpu(BridgeDomain, VppTestCase): # Pick first received frame and check if it's correctly encapsulated. out = self.pg0.get_capture(1) pkt = out[0] - 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) @@ -224,19 +249,28 @@ class TestGtpu(BridgeDomain, VppTestCase): # Create 10 ucast gtpu tunnels under bd ip_range_start = 10 ip_range_end = ip_range_start + n_ucast_tunnels - 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( - 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): @@ -249,12 +283,14 @@ 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( - 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, - 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 @@ -273,15 +309,16 @@ class TestGtpu(BridgeDomain, VppTestCase): 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( - 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, - is_add=is_add) + is_add=is_add, + ) @classmethod def add_mcast_tunnels_load(cls): @@ -302,7 +339,7 @@ class TestGtpu(BridgeDomain, VppTestCase): try: cls.dport = 2152 - cls.gtp_type = 0xff + cls.gtp_type = 0xFF # Create 2 pg interfaces. cls.create_pg_interfaces(range(4)) @@ -316,38 +353,46 @@ class TestGtpu(BridgeDomain, VppTestCase): 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 + cls.single_tunnel_vni = 11 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( - 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 - 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( - 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, - 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( - 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() @@ -357,10 +402,10 @@ class TestGtpu(BridgeDomain, VppTestCase): # 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( - 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 @@ -384,5 +429,5 @@ class TestGtpu(BridgeDomain, VppTestCase): self.logger.info(self.vapi.cli("show trace")) -if __name__ == '__main__': +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner)