diff options
Diffstat (limited to 'src/vnet')
| -rw-r--r-- | src/vnet/vxlan/test/test_vxlan.py | 421 | ||||
| -rw-r--r-- | src/vnet/vxlan/test/test_vxlan6.py | 316 | ||||
| -rw-r--r-- | src/vnet/vxlan/test/test_vxlan_gbp.py | 293 | ||||
| -rw-r--r-- | src/vnet/vxlan/test/test_vxlan_gpe.py | 265 | ||||
| -rw-r--r-- | src/vnet/vxlan/test/vpp_vxlan_gbp_tunnel.py | 83 | ||||
| -rw-r--r-- | src/vnet/vxlan/test/vpp_vxlan_tunnel.py | 86 |
6 files changed, 1464 insertions, 0 deletions
diff --git a/src/vnet/vxlan/test/test_vxlan.py b/src/vnet/vxlan/test/test_vxlan.py new file mode 100644 index 00000000000..028275ccedf --- /dev/null +++ b/src/vnet/vxlan/test/test_vxlan.py @@ -0,0 +1,421 @@ +#!/usr/bin/env python3 + +import socket +from util import ip4_range, reassemble4 +import unittest +from framework import VppTestCase, VppTestRunner +from template_bd import BridgeDomain + +from scapy.layers.l2 import Ether +from scapy.packet import Raw, bind_layers +from scapy.layers.inet import IP, UDP +from scapy.layers.vxlan import VXLAN + +import util +from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_vxlan_tunnel import VppVxlanTunnel +from vpp_ip import INVALID_INDEX + + +class TestVxlan(BridgeDomain, VppTestCase): + """ VXLAN Test Case """ + + def __init__(self, *args): + BridgeDomain.__init__(self) + VppTestCase.__init__(self, *args) + + def encapsulate(self, pkt, vni): + """ + Encapsulate the original payload frame by adding VXLAN 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) / + VXLAN(vni=vni, flags=self.flags) / + 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 VXLAN 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) / + VXLAN(vni=vni, flags=self.flags) / + pkt) + + def decapsulate(self, pkt): + """ + Decapsulate the original payload frame by removing VXLAN header + """ + # check if is set I flag + self.assertEqual(pkt[VXLAN].flags, int('0x8', 16)) + return pkt[VXLAN].payload + + # Method for checking VXLAN encapsulation. + # + def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False): + # TODO: add error messages + # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved + # by VPP using ARP. + self.assertEqual(pkt[Ether].src, self.pg0.local_mac) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac) + else: + self.assertEqual(pkt[Ether].dst, type(self).mcast_mac) + # Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP. + self.assertEqual(pkt[IP].src, self.pg0.local_ip4) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4) + else: + self.assertEqual(pkt[IP].dst, type(self).mcast_ip4) + # Verify UDP destination port is VXLAN 4789, source UDP port could be + # arbitrary. + self.assertEqual(pkt[UDP].dport, self.dport) + # Verify UDP checksum + self.assert_udp_checksum_valid(pkt) + # Verify VNI + self.assertEqual(pkt[VXLAN].vni, vni) + + @classmethod + def create_vxlan_flood_test_bd(cls, vni, n_ucast_tunnels, port): + # Create 10 ucast vxlan tunnels under bd + 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): + # 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 = VppVxlanTunnel(cls, src=cls.pg0.local_ip4, + src_port=port, dst_port=port, + dst=dest_ip4, vni=vni) + r.add_vpp_config() + cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni) + + @classmethod + def add_del_shared_mcast_dst_load(cls, port, is_add): + """ + add or del tunnels sharing the same mcast dst + to test vxlan ref_count mechanism + """ + n_shared_dst_tunnels = 20 + vni_start = 10000 + vni_end = vni_start + n_shared_dst_tunnels + for vni in range(vni_start, vni_end): + r = VppVxlanTunnel(cls, src=cls.pg0.local_ip4, + src_port=port, dst_port=port, + dst=cls.mcast_ip4, mcast_sw_if_index=1, vni=vni) + if is_add: + r.add_vpp_config() + if r.sw_if_index == 0xffffffff: + raise ValueError("bad sw_if_index: ~0") + else: + r.remove_vpp_config() + + @classmethod + def add_shared_mcast_dst_load(cls, port): + cls.add_del_shared_mcast_dst_load(port=port, is_add=1) + + @classmethod + def del_shared_mcast_dst_load(cls, port): + cls.add_del_shared_mcast_dst_load(port=port, is_add=0) + + @classmethod + def add_del_mcast_tunnels_load(cls, port, is_add): + """ + add or del tunnels to test vxlan stability + """ + n_distinct_dst_tunnels = 200 + 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): + vni = bytearray(socket.inet_pton(socket.AF_INET, dest_ip4))[3] + r = VppVxlanTunnel(cls, src=cls.pg0.local_ip4, + src_port=port, dst_port=port, + dst=dest_ip4, mcast_sw_if_index=1, vni=vni) + if is_add: + r.add_vpp_config() + else: + r.remove_vpp_config() + + @classmethod + def add_mcast_tunnels_load(cls, port): + cls.add_del_mcast_tunnels_load(port=port, is_add=1) + + @classmethod + def del_mcast_tunnels_load(cls, port): + cls.add_del_mcast_tunnels_load(port=port, is_add=0) + + # Class method to start the VXLAN test case. + # Overrides setUpClass method in VppTestCase class. + # Python try..except statement is used to ensure that the tear down of + # the class will be executed even if exception is raised. + # @param cls The class pointer. + @classmethod + def setUpClass(cls): + super(TestVxlan, cls).setUpClass() + + try: + cls.flags = 0x8 + + # Create 2 pg interfaces. + cls.create_pg_interfaces(range(4)) + for pg in cls.pg_interfaces: + pg.admin_up() + + # Configure IPv4 addresses on VPP pg0. + cls.pg0.config_ip4() + + # Resolve MAC address for VPP's IP address on pg0. + cls.pg0.resolve_arp() + + # Our Multicast address + cls.mcast_ip4 = '239.1.1.1' + cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4) + except Exception: + cls.tearDownClass() + raise + + @classmethod + def tearDownClass(cls): + super(TestVxlan, cls).tearDownClass() + + def setUp(self): + super(TestVxlan, self).setUp() + + def createVxLANInterfaces(self, port=4789): + # Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1 + # into BD. + self.dport = port + + self.single_tunnel_vni = 0x12345 + self.single_tunnel_bd = 1 + r = VppVxlanTunnel(self, src=self.pg0.local_ip4, + dst=self.pg0.remote_ip4, + src_port=self.dport, dst_port=self.dport, + vni=self.single_tunnel_vni) + r.add_vpp_config() + self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, + bd_id=self.single_tunnel_bd) + self.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=self.pg1.sw_if_index, bd_id=self.single_tunnel_bd) + + # Setup vni 2 to test multicast flooding + self.n_ucast_tunnels = 10 + self.mcast_flood_bd = 2 + self.create_vxlan_flood_test_bd(self.mcast_flood_bd, + self.n_ucast_tunnels, + self.dport) + r = VppVxlanTunnel(self, src=self.pg0.local_ip4, dst=self.mcast_ip4, + src_port=self.dport, dst_port=self.dport, + mcast_sw_if_index=1, vni=self.mcast_flood_bd) + r.add_vpp_config() + self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, + bd_id=self.mcast_flood_bd) + self.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=self.pg2.sw_if_index, bd_id=self.mcast_flood_bd) + + # Add and delete mcast tunnels to check stability + self.add_shared_mcast_dst_load(self.dport) + self.add_mcast_tunnels_load(self.dport) + self.del_shared_mcast_dst_load(self.dport) + self.del_mcast_tunnels_load(self.dport) + + # Setup vni 3 to test unicast flooding + self.ucast_flood_bd = 3 + self.create_vxlan_flood_test_bd(self.ucast_flood_bd, + self.n_ucast_tunnels, + self.dport) + self.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=self.pg3.sw_if_index, bd_id=self.ucast_flood_bd) + + # Set scapy listen custom port for VxLAN + bind_layers(UDP, VXLAN, dport=self.dport) + + def encap_big_packet(self): + self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [1500, 0, 0, 0]) + + frame = (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') / + IP(src='4.3.2.1', dst='1.2.3.4') / + UDP(sport=20000, dport=10000) / + Raw(b'\xa5' * 1450)) + + self.pg1.add_stream([frame]) + + self.pg0.enable_capture() + + self.pg_start() + + # Pick first received frame and check if it's correctly encapsulated. + out = self.pg0.get_capture(2) + ether = out[0] + pkt = reassemble4(out) + pkt = ether / pkt + self.check_encapsulation(pkt, self.single_tunnel_vni) + + payload = self.decapsulate(pkt) + # TODO: Scapy bug? + # self.assert_eq_pkts(payload, frame) + + """ + Tests with default port (4789) + """ + def test_decap(self): + """ Decapsulation test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan, self).test_decap() + + def test_encap(self): + """ Encapsulation test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan, self).test_encap() + + def test_encap_big_packet(self): + """ Encapsulation test send big frame from pg1 + Verify receipt of encapsulated frames on pg0 + """ + self.createVxLANInterfaces() + self.encap_big_packet() + + def test_ucast_flood(self): + """ Unicast flood test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan, self).test_ucast_flood() + + def test_mcast_flood(self): + """ Multicast flood test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan, self).test_mcast_flood() + + def test_mcast_rcv(self): + """ Multicast receive test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan, self).test_mcast_rcv() + + """ + Tests with custom port + """ + def test_decap_custom_port(self): + """ Decapsulation test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan, self).test_decap() + + def test_encap_custom_port(self): + """ Encapsulation test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan, self).test_encap() + + def test_ucast_flood_custom_port(self): + """ Unicast flood test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan, self).test_ucast_flood() + + def test_mcast_flood_custom_port(self): + """ Multicast flood test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan, self).test_mcast_flood() + + def test_mcast_rcv_custom_port(self): + """ Multicast receive test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan, self).test_mcast_rcv() + + # 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(TestVxlan, self).tearDown() + + def show_commands_at_teardown(self): + self.logger.info(self.vapi.cli("show bridge-domain 1 detail")) + self.logger.info(self.vapi.cli("show bridge-domain 2 detail")) + self.logger.info(self.vapi.cli("show bridge-domain 3 detail")) + self.logger.info(self.vapi.cli("show vxlan tunnel")) + + +class TestVxlan2(VppTestCase): + """ VXLAN Test Case """ + def setUp(self): + super(TestVxlan2, self).setUp() + + # Create 2 pg interfaces. + self.create_pg_interfaces(range(4)) + for pg in self.pg_interfaces: + pg.admin_up() + + # Configure IPv4 addresses on VPP pg0. + self.pg0.config_ip4() + self.pg0.resolve_arp() + + def tearDown(self): + super(TestVxlan2, self).tearDown() + + def test_xconnect(self): + """ VXLAN source address not local """ + + # + # test the broken configuration of a VXLAN tunnel whose + # source address is not local ot the box. packets sent + # through the tunnel should be dropped + # + t = VppVxlanTunnel(self, + src="10.0.0.5", + dst=self.pg0.local_ip4, + vni=1000) + t.add_vpp_config() + t.admin_up() + + self.vapi.sw_interface_set_l2_xconnect(t.sw_if_index, + self.pg1.sw_if_index, + enable=1) + self.vapi.sw_interface_set_l2_xconnect(self.pg1.sw_if_index, + t.sw_if_index, + enable=1) + + p = (Ether(src="00:11:22:33:44:55", + dst="00:00:00:11:22:33") / + IP(src="4.3.2.1", dst="1.2.3.4") / + UDP(sport=20000, dport=10000) / + Raw(b'\xa5' * 1450)) + + rx = self.send_and_assert_no_replies(self.pg1, [p]) + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) diff --git a/src/vnet/vxlan/test/test_vxlan6.py b/src/vnet/vxlan/test/test_vxlan6.py new file mode 100644 index 00000000000..123cce9b7ba --- /dev/null +++ b/src/vnet/vxlan/test/test_vxlan6.py @@ -0,0 +1,316 @@ +#!/usr/bin/env python3 + +import socket +import unittest +from framework import VppTestCase, VppTestRunner +from template_bd import BridgeDomain + +from scapy.layers.l2 import Ether +from scapy.packet import Raw, bind_layers +from scapy.layers.inet6 import IP, IPv6, UDP +from scapy.layers.vxlan import VXLAN + +import util +from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_vxlan_tunnel import VppVxlanTunnel +from vpp_ip import INVALID_INDEX + + +class TestVxlan6(BridgeDomain, VppTestCase): + """ VXLAN over IPv6 Test Case """ + + def __init__(self, *args): + BridgeDomain.__init__(self) + VppTestCase.__init__(self, *args) + + def encapsulate(self, pkt, vni): + """ + Encapsulate the original payload frame by adding VXLAN header with its + UDP, IP and Ethernet fields + """ + return (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / + IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) / + UDP(sport=self.dport, dport=self.dport, chksum=0) / + VXLAN(vni=vni, flags=self.flags) / + pkt) + + @classmethod + def ip_range(cls, s, e): + """ range of remote ip's """ + tmp = cls.pg0.remote_ip6.rsplit(':', 1)[0] + return ("%s:%x" % (tmp, i) for i in range(s, e)) + + def encap_mcast(self, pkt, src_ip, src_mac, vni): + """ + Encapsulate the original payload frame by adding VXLAN header with its + UDP, IP and Ethernet fields + """ + return (Ether(src=src_mac, dst=self.mcast_mac) / + IPv6(src=src_ip, dst=self.mcast_ip6) / + UDP(sport=self.dport, dport=self.dport, chksum=0) / + VXLAN(vni=vni, flags=self.flags) / + pkt) + + def decapsulate(self, pkt): + """ + Decapsulate the original payload frame by removing VXLAN header + """ + # check if is set I flag + self.assertEqual(pkt[VXLAN].flags, int('0x8', 16)) + return pkt[VXLAN].payload + + # Method for checking VXLAN encapsulation. + # + def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False): + # TODO: add error messages + # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved + # by VPP using ARP. + self.assertEqual(pkt[Ether].src, self.pg0.local_mac) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac) + else: + self.assertEqual(pkt[Ether].dst, type(self).mcast_mac) + # Verify VXLAN tunnel source IP is VPP_IP and destination IP is MY_IP. + self.assertEqual(pkt[IPv6].src, self.pg0.local_ip6) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[IPv6].dst, self.pg0.remote_ip6) + else: + self.assertEqual(pkt[IPv6].dst, type(self).mcast_ip6) + # Verify UDP destination port is VXLAN 4789, source UDP port could be + # arbitrary. + self.assertEqual(pkt[UDP].dport, self.dport) + # Verify UDP checksum + self.assert_udp_checksum_valid(pkt, ignore_zero_checksum=False) + # Verify VNI + self.assertEqual(pkt[VXLAN].vni, vni) + + @classmethod + def create_vxlan_flood_test_bd(cls, vni, n_ucast_tunnels, port): + # Create 10 ucast vxlan tunnels under bd + start = 10 + end = start + n_ucast_tunnels + for dest_ip6 in cls.ip_range(start, end): + # add host route so dest ip will not be resolved + rip = VppIpRoute(cls, dest_ip6, 128, + [VppRoutePath(cls.pg0.remote_ip6, INVALID_INDEX)], + register=False) + rip.add_vpp_config() + r = VppVxlanTunnel(cls, src=cls.pg0.local_ip6, + src_port=port, dst_port=port, + dst=dest_ip6, vni=vni) + r.add_vpp_config() + cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni) + + @classmethod + def add_mcast_tunnels_load(cls): + cls.add_del_mcast_tunnels_load(is_add=1) + + @classmethod + def del_mcast_tunnels_load(cls): + cls.add_del_mcast_tunnels_load(is_add=0) + + # Class method to start the VXLAN test case. + # Overrides setUpClass method in VppTestCase class. + # Python try..except statement is used to ensure that the tear down of + # the class will be executed even if exception is raised. + # @param cls The class pointer. + @classmethod + def setUpClass(cls): + super(TestVxlan6, cls).setUpClass() + + try: + cls.flags = 0x8 + + # Create 2 pg interfaces. + cls.create_pg_interfaces(range(4)) + for pg in cls.pg_interfaces: + pg.admin_up() + + # Configure IPv6 addresses on VPP pg0. + cls.pg0.config_ip6() + + # Resolve MAC address for VPP's IP address on pg0. + cls.pg0.resolve_ndp() + + # Our Multicast address + cls.mcast_ip6 = 'ff0e::1' + cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip6) + except Exception: + super(TestVxlan6, cls).tearDownClass() + raise + + @classmethod + def tearDownClass(cls): + super(TestVxlan6, cls).tearDownClass() + + def setUp(self): + super(TestVxlan6, self).setUp() + + def createVxLANInterfaces(self, port=4789): + # Create VXLAN VTEP on VPP pg0, and put vxlan_tunnel0 and pg1 + # into BD. + self.dport = port + + self.single_tunnel_vni = 0x12345 + self.single_tunnel_bd = 1 + r = VppVxlanTunnel(self, src=self.pg0.local_ip6, + dst=self.pg0.remote_ip6, + src_port=self.dport, dst_port=self.dport, + vni=self.single_tunnel_vni) + r.add_vpp_config() + self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, + bd_id=self.single_tunnel_bd) + self.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=self.pg1.sw_if_index, bd_id=self.single_tunnel_bd) + + # Setup vni 2 to test multicast flooding + self.n_ucast_tunnels = 10 + self.mcast_flood_bd = 2 + self.create_vxlan_flood_test_bd(self.mcast_flood_bd, + self.n_ucast_tunnels, + self.dport) + r = VppVxlanTunnel(self, src=self.pg0.local_ip6, dst=self.mcast_ip6, + src_port=self.dport, dst_port=self.dport, + mcast_sw_if_index=1, vni=self.mcast_flood_bd) + r.add_vpp_config() + self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, + bd_id=self.mcast_flood_bd) + self.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=self.pg2.sw_if_index, bd_id=self.mcast_flood_bd) + + # Setup vni 3 to test unicast flooding + self.ucast_flood_bd = 3 + self.create_vxlan_flood_test_bd(self.ucast_flood_bd, + self.n_ucast_tunnels, + self.dport) + self.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=self.pg3.sw_if_index, bd_id=self.ucast_flood_bd) + + # Set scapy listen custom port for VxLAN + bind_layers(UDP, VXLAN, dport=self.dport) + + # 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(TestVxlan6, self).tearDown() + + def show_commands_at_teardown(self): + self.logger.info(self.vapi.cli("show bridge-domain 1 detail")) + self.logger.info(self.vapi.cli("show bridge-domain 2 detail")) + self.logger.info(self.vapi.cli("show bridge-domain 3 detail")) + self.logger.info(self.vapi.cli("show vxlan tunnel")) + + def encap_fragmented_packet(self): + frame = (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') / + IP(src='4.3.2.1', dst='1.2.3.4') / + UDP(sport=20000, dport=10000) / + Raw(b'\xa5' * 1000)) + + frags = util.fragment_rfc791(frame, 400) + + self.pg1.add_stream(frags) + + self.pg0.enable_capture() + + self.pg_start() + + out = self.pg0.get_capture(3) + + payload = [] + for pkt in out: + payload.append(self.decapsulate(pkt)) + self.check_encapsulation(pkt, self.single_tunnel_vni) + + reassembled = util.reassemble4(payload) + + self.assertEqual(Ether(raw(frame))[IP], reassembled[IP]) + + """ + Tests with default port (4789) + """ + def test_decap(self): + """ Decapsulation test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan6, self).test_decap() + + def test_encap(self): + """ Encapsulation test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan6, self).test_encap() + + def test_encap_fragmented_packet(self): + """ Encapsulation test send fragments from pg1 + Verify receipt of encapsulated frames on pg0 + """ + self.createVxLANInterfaces() + self.encap_fragmented_packet() + + def test_ucast_flood(self): + """ Unicast flood test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan6, self).test_ucast_flood() + + def test_mcast_flood(self): + """ Multicast flood test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan6, self).test_mcast_flood() + + def test_mcast_rcv(self): + """ Multicast receive test + from BridgeDoman + """ + self.createVxLANInterfaces() + super(TestVxlan6, self).test_mcast_rcv() + + """ + Tests with custom port + """ + def test_decap_custom_port(self): + """ Decapsulation test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan6, self).test_decap() + + def test_encap_custom_port(self): + """ Encapsulation test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan6, self).test_encap() + + def test_ucast_flood_custom_port(self): + """ Unicast flood test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan6, self).test_ucast_flood() + + def test_mcast_flood_custom_port(self): + """ Multicast flood test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan6, self).test_mcast_flood() + + def test_mcast_rcv_custom_port(self): + """ Multicast receive test custom port + from BridgeDoman + """ + self.createVxLANInterfaces(1111) + super(TestVxlan6, self).test_mcast_rcv() + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) diff --git a/src/vnet/vxlan/test/test_vxlan_gbp.py b/src/vnet/vxlan/test/test_vxlan_gbp.py new file mode 100644 index 00000000000..f332aced7d8 --- /dev/null +++ b/src/vnet/vxlan/test/test_vxlan_gbp.py @@ -0,0 +1,293 @@ +#!/usr/bin/env python3 + +import socket +from util import ip4_range, reassemble4_ether +import unittest +from framework import VppTestCase, VppTestRunner +from template_bd import BridgeDomain + +from scapy.layers.l2 import Ether +from scapy.packet import Raw +from scapy.layers.inet import IP, UDP +from scapy.layers.vxlan import VXLAN + +from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_ip import INVALID_INDEX + + +class TestVxlanGbp(VppTestCase): + """ VXLAN GBP Test Case """ + + @property + def frame_request(self): + """ Ethernet frame modeling a generic request """ + return (Ether(src='00:00:00:00:00:01', dst='00:00:00:00:00:02') / + IP(src='1.2.3.4', dst='4.3.2.1') / + UDP(sport=10000, dport=20000) / + Raw(b'\xa5' * 100)) + + @property + def frame_reply(self): + """ Ethernet frame modeling a generic reply """ + return (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') / + IP(src='4.3.2.1', dst='1.2.3.4') / + UDP(sport=20000, dport=10000) / + Raw(b'\xa5' * 100)) + + def encapsulate(self, pkt, vni): + """ + Encapsulate the original payload frame by adding VXLAN GBP 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) / + VXLAN(vni=vni, flags=self.flags, gpflags=self.gpflags, + gpid=self.sclass) / pkt) + + def ip_range(self, start, end): + """ range of remote ip's """ + return ip4_range(self.pg0.remote_ip4, start, end) + + def decapsulate(self, pkt): + """ + Decapsulate the original payload frame by removing VXLAN header + """ + # check if is set G and I flag + self.assertEqual(pkt[VXLAN].flags, int('0x88', 16)) + return pkt[VXLAN].payload + + # Method for checking VXLAN GBP encapsulation. + # + def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False): + # TODO: add error messages + # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved + # by VPP using ARP. + self.assertEqual(pkt[Ether].src, self.pg0.local_mac) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac) + else: + self.assertEqual(pkt[Ether].dst, type(self).mcast_mac) + # Verify VXLAN GBP tunnel source IP is VPP_IP and destination IP is + # MY_IP. + self.assertEqual(pkt[IP].src, self.pg0.local_ip4) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4) + else: + self.assertEqual(pkt[IP].dst, type(self).mcast_ip4) + # Verify UDP destination port is VXLAN GBP 48879, source UDP port could + # be arbitrary. + self.assertEqual(pkt[UDP].dport, type(self).dport) + # Verify UDP checksum + self.assert_udp_checksum_valid(pkt) + # Verify VNI + # pkt.show() + self.assertEqual(pkt[VXLAN].vni, vni) + # Verify Source Class + self.assertEqual(pkt[VXLAN].gpid, 0) + + @classmethod + def create_vxlan_gbp_flood_test_bd(cls, vni, n_ucast_tunnels): + # Create 2 ucast vxlan tunnels under bd + 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(cls.pg0.remote_ip4, + 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.vxlan_gbp_tunnel_add_del( + tunnel={ + 'src': cls.pg0.local_ip4, + 'dst': dest_ip4, + 'vni': vni, + 'instance': INVALID_INDEX, + 'mcast_sw_if_index': INVALID_INDEX, + 'mode': 1, + }, + is_add=1 + ) + cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, + bd_id=vni) + + # Class method to start the VXLAN GBP test case. + # Overrides setUpClass method in VppTestCase class. + # Python try..except statement is used to ensure that the tear down of + # the class will be executed even if exception is raised. + # @param cls The class pointer. + @classmethod + def setUpClass(cls): + super(TestVxlanGbp, cls).setUpClass() + + try: + cls.dport = 48879 + cls.flags = 0x88 + cls.gpflags = 0x0 + cls.sclass = 0 + + # Create 2 pg interfaces. + cls.create_pg_interfaces(range(4)) + for pg in cls.pg_interfaces: + pg.admin_up() + + # Configure IPv4 addresses on VPP pg0. + cls.pg0.config_ip4() + + # Resolve MAC address for VPP's IP address on pg0. + cls.pg0.resolve_arp() + + # Create VXLAN GBP VTEP on VPP pg0, and put vxlan_gbp_tunnel0 and + # pg1 into BD. + cls.single_tunnel_bd = 1 + cls.single_tunnel_vni = 0xabcde + r = cls.vapi.vxlan_gbp_tunnel_add_del( + tunnel={ + 'src': cls.pg0.local_ip4, + 'dst': cls.pg0.remote_ip4, + 'vni': cls.single_tunnel_vni, + 'instance': INVALID_INDEX, + 'mcast_sw_if_index': INVALID_INDEX, + 'mode': 1, + }, + is_add=1 + ) + 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 vni 2 to test multicast flooding + cls.n_ucast_tunnels = 2 + # Setup vni 3 to test unicast flooding + cls.ucast_flood_bd = 3 + cls.create_vxlan_gbp_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) + except Exception: + super(TestVxlanGbp, cls).tearDownClass() + raise + + @classmethod + def tearDownClass(cls): + super(TestVxlanGbp, cls).tearDownClass() + + def assert_eq_pkts(self, pkt1, pkt2): + """ Verify the Ether, IP, UDP, payload are equal in both + packets + """ + self.assertEqual(pkt1[Ether].src, pkt2[Ether].src) + self.assertEqual(pkt1[Ether].dst, pkt2[Ether].dst) + self.assertEqual(pkt1[IP].src, pkt2[IP].src) + self.assertEqual(pkt1[IP].dst, pkt2[IP].dst) + self.assertEqual(pkt1[UDP].sport, pkt2[UDP].sport) + self.assertEqual(pkt1[UDP].dport, pkt2[UDP].dport) + self.assertEqual(pkt1[Raw], pkt2[Raw]) + + def test_decap(self): + """ Decapsulation test + Send encapsulated frames from pg0 + Verify receipt of decapsulated frames on pg1 + """ + encapsulated_pkt = self.encapsulate(self.frame_request, + self.single_tunnel_vni) + + self.pg0.add_stream([encapsulated_pkt, ]) + + self.pg1.enable_capture() + + self.pg_start() + + # Pick first received frame and check if it's the non-encapsulated + # frame + out = self.pg1.get_capture(1) + pkt = out[0] + self.assert_eq_pkts(pkt, self.frame_request) + + def test_encap(self): + """ Encapsulation test + Send frames from pg1 + Verify receipt of encapsulated frames on pg0 + """ + self.pg1.add_stream([self.frame_reply]) + + self.pg0.enable_capture() + + self.pg_start() + + # 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_vni) + + payload = self.decapsulate(pkt) + self.assert_eq_pkts(payload, self.frame_reply) + + def test_ucast_flood(self): + """ Unicast flood test + Send frames from pg3 + Verify receipt of encapsulated frames on pg0 + """ + self.pg3.add_stream([self.frame_reply]) + + self.pg0.enable_capture() + + self.pg_start() + + # 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) + payload = self.decapsulate(pkt) + self.assert_eq_pkts(payload, self.frame_reply) + + def test_encap_big_packet(self): + """ Encapsulation test send big frame from pg1 + Verify receipt of encapsulated frames on pg0 + """ + + self.vapi.sw_interface_set_mtu(self.pg0.sw_if_index, [1500, 0, 0, 0]) + + frame = (Ether(src='00:00:00:00:00:02', dst='00:00:00:00:00:01') / + IP(src='4.3.2.1', dst='1.2.3.4') / + UDP(sport=20000, dport=10000) / + Raw(b'\xa5' * 1450)) + + self.pg1.add_stream([frame]) + + self.pg0.enable_capture() + + self.pg_start() + + # Pick first received frame and check if it's correctly encapsulated. + out = self.pg0.get_capture(2) + pkt = reassemble4_ether(out) + self.check_encapsulation(pkt, self.single_tunnel_vni) + + payload = self.decapsulate(pkt) + self.assert_eq_pkts(payload, frame) + +# 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(TestVxlanGbp, self).tearDown() + + def show_commands_at_teardown(self): + self.logger.info(self.vapi.cli("show bridge-domain 1 detail")) + self.logger.info(self.vapi.cli("show bridge-domain 3 detail")) + self.logger.info(self.vapi.cli("show vxlan-gbp tunnel")) + self.logger.info(self.vapi.cli("show error")) + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) diff --git a/src/vnet/vxlan/test/test_vxlan_gpe.py b/src/vnet/vxlan/test/test_vxlan_gpe.py new file mode 100644 index 00000000000..c5d6bf07f7c --- /dev/null +++ b/src/vnet/vxlan/test/test_vxlan_gpe.py @@ -0,0 +1,265 @@ +#!/usr/bin/env python3 + +import socket +from util import ip4_range +import unittest +from framework import VppTestCase, VppTestRunner, running_extended_tests +from template_bd import BridgeDomain + +from scapy.layers.l2 import Ether +from scapy.packet import Raw +from scapy.layers.inet import IP, UDP +from scapy.layers.vxlan import VXLAN + +import util +from vpp_ip_route import VppIpRoute, VppRoutePath + +from vpp_ip import INVALID_INDEX + + +@unittest.skipUnless(running_extended_tests, "part of extended tests") +class TestVxlanGpe(BridgeDomain, VppTestCase): + """ VXLAN-GPE Test Case """ + + def __init__(self, *args): + BridgeDomain.__init__(self) + VppTestCase.__init__(self, *args) + + def encapsulate(self, pkt, vni): + """ + Encapsulate the original payload frame by adding VXLAN-GPE 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) / + VXLAN(vni=vni, flags=self.flags) / + 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 VXLAN-GPE 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) / + VXLAN(vni=vni, flags=self.flags) / + pkt) + + def decapsulate(self, pkt): + """ + Decapsulate the original payload frame by removing VXLAN-GPE header + """ + # check if is set I and P flag + self.assertEqual(pkt[VXLAN].flags, 0x0c) + return pkt[VXLAN].payload + + # Method for checking VXLAN-GPE encapsulation. + # + def check_encapsulation(self, pkt, vni, local_only=False, mcast_pkt=False): + # Verify source MAC is VPP_MAC and destination MAC is MY_MAC resolved + # by VPP using ARP. + self.assertEqual(pkt[Ether].src, self.pg0.local_mac) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[Ether].dst, self.pg0.remote_mac) + else: + self.assertEqual(pkt[Ether].dst, type(self).mcast_mac) + # Verify VXLAN-GPE tunnel src IP is VPP_IP and dst IP is MY_IP. + self.assertEqual(pkt[IP].src, self.pg0.local_ip4) + if not local_only: + if not mcast_pkt: + self.assertEqual(pkt[IP].dst, self.pg0.remote_ip4) + else: + self.assertEqual(pkt[IP].dst, type(self).mcast_ip4) + # Verify UDP destination port is VXLAN-GPE 4790, source UDP port + # could be arbitrary. + self.assertEqual(pkt[UDP].dport, type(self).dport) + # Verify UDP checksum + self.assert_udp_checksum_valid(pkt) + # Verify VNI + self.assertEqual(pkt[VXLAN].vni, vni) + + @classmethod + def create_vxlan_gpe_flood_test_bd(cls, vni, n_ucast_tunnels): + # Create 10 ucast vxlan tunnels under bd + 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): + # add host route so dest_ip4n 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.vxlan_gpe_add_del_tunnel( + src_addr=cls.pg0.local_ip4, + dst_addr=dest_ip4, + vni=vni) + cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index, + bd_id=vni) + + @classmethod + def add_del_shared_mcast_dst_load(cls, is_add): + """ + add or del tunnels sharing the same mcast dst + to test vxlan_gpe ref_count mechanism + """ + n_shared_dst_tunnels = 20 + vni_start = 1000 + vni_end = vni_start + n_shared_dst_tunnels + for vni in range(vni_start, vni_end): + r = cls.vapi.vxlan_gpe_add_del_tunnel( + local=cls.pg0.local_ip4, + remote=cls.mcast_ip4, + mcast_sw_if_index=1, + vni=vni, + is_add=is_add) + if r.sw_if_index == 0xffffffff: + raise ValueError("bad sw_if_index: ~0") + + @classmethod + def add_shared_mcast_dst_load(cls): + cls.add_del_shared_mcast_dst_load(is_add=1) + + @classmethod + def del_shared_mcast_dst_load(cls): + cls.add_del_shared_mcast_dst_load(is_add=0) + + @classmethod + def add_del_mcast_tunnels_load(cls, is_add): + """ + add or del tunnels to test vxlan_gpe stability + """ + 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): + vni = int(dest_ip4.split(".")[3]) + cls.vapi.vxlan_gpe_add_del_tunnel( + src_addr=cls.pg0.local_ip4, + dst_addr=dest_ip4, + mcast_sw_if_index=1, + vni=vni, + is_add=is_add) + + @classmethod + def add_mcast_tunnels_load(cls): + cls.add_del_mcast_tunnels_load(is_add=1) + + @classmethod + def del_mcast_tunnels_load(cls): + cls.add_del_mcast_tunnels_load(is_add=0) + + # Class method to start the VXLAN-GPE test case. + # Overrides setUpClass method in VppTestCase class. + # Python try..except statement is used to ensure that the tear down of + # the class will be executed even if exception is raised. + # @param cls The class pointer. + @classmethod + def setUpClass(cls): + super(TestVxlanGpe, cls).setUpClass() + + try: + cls.dport = 4790 + cls.flags = 0x0c + + # Create 2 pg interfaces. + cls.create_pg_interfaces(range(4)) + for pg in cls.pg_interfaces: + pg.admin_up() + + # Configure IPv4 addresses on VPP pg0. + cls.pg0.config_ip4() + + # Resolve MAC address for VPP's IP address on pg0. + cls.pg0.resolve_arp() + + # Our Multicast address + cls.mcast_ip4 = '239.1.1.1' + cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4) + + # Create VXLAN-GPE VTEP on VPP pg0, and put vxlan_gpe_tunnel0 + # and pg1 into BD. + cls.single_tunnel_vni = 0xabcde + cls.single_tunnel_bd = 11 + r = cls.vapi.vxlan_gpe_add_del_tunnel( + src_addr=cls.pg0.local_ip4, + dst_addr=cls.pg0.remote_ip4, + vni=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) + cls.vapi.sw_interface_set_l2_bridge( + rx_sw_if_index=cls.pg1.sw_if_index, bd_id=cls.single_tunnel_bd) + + # Setup vni 2 to test multicast flooding + cls.n_ucast_tunnels = 10 + cls.mcast_flood_bd = 12 + cls.create_vxlan_gpe_flood_test_bd(cls.mcast_flood_bd, + cls.n_ucast_tunnels) + r = cls.vapi.vxlan_gpe_add_del_tunnel( + src_addr=cls.pg0.local_ip4, + dst_addr=cls.mcast_ip4, + mcast_sw_if_index=1, + vni=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) + + # Add and delete mcast tunnels to check stability + cls.add_shared_mcast_dst_load() + cls.add_mcast_tunnels_load() + cls.del_shared_mcast_dst_load() + cls.del_mcast_tunnels_load() + + # Setup vni 3 to test unicast flooding + cls.ucast_flood_bd = 13 + cls.create_vxlan_gpe_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) + except Exception: + super(TestVxlanGpe, cls).tearDownClass() + raise + + @classmethod + def tearDownClass(cls): + super(TestVxlanGpe, cls).tearDownClass() + + @unittest.skip("test disabled for vxlan-gpe") + def test_mcast_flood(self): + """ inherited from BridgeDomain """ + pass + + @unittest.skip("test disabled for vxlan-gpe") + def test_mcast_rcv(self): + """ inherited from BridgeDomain """ + pass + + # 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(TestVxlanGpe, self).tearDown() + + 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 vxlan-gpe")) + self.logger.info(self.vapi.cli("show trace")) + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) diff --git a/src/vnet/vxlan/test/vpp_vxlan_gbp_tunnel.py b/src/vnet/vxlan/test/vpp_vxlan_gbp_tunnel.py new file mode 100644 index 00000000000..22555858d12 --- /dev/null +++ b/src/vnet/vxlan/test/vpp_vxlan_gbp_tunnel.py @@ -0,0 +1,83 @@ + +from vpp_interface import VppInterface +from vpp_papi import VppEnum + + +INDEX_INVALID = 0xffffffff + + +def find_vxlan_gbp_tunnel(test, src, dst, vni): + ts = test.vapi.vxlan_gbp_tunnel_dump(INDEX_INVALID) + for t in ts: + if src == str(t.tunnel.src) and \ + dst == str(t.tunnel.dst) and \ + t.tunnel.vni == vni: + return t.tunnel.sw_if_index + return INDEX_INVALID + + +class VppVxlanGbpTunnel(VppInterface): + """ + VPP VXLAN GBP interface + """ + + def __init__(self, test, src, dst, vni, mcast_itf=None, mode=None, + is_ipv6=None, encap_table_id=None, instance=0xffffffff): + """ Create VXLAN-GBP Tunnel interface """ + super(VppVxlanGbpTunnel, self).__init__(test) + self.src = src + self.dst = dst + self.vni = vni + self.mcast_itf = mcast_itf + self.ipv6 = is_ipv6 + self.encap_table_id = encap_table_id + self.instance = instance + if not mode: + self.mode = (VppEnum.vl_api_vxlan_gbp_api_tunnel_mode_t. + VXLAN_GBP_API_TUNNEL_MODE_L2) + else: + self.mode = mode + + def add_vpp_config(self): + mcast_sw_if_index = INDEX_INVALID + if (self.mcast_itf): + mcast_sw_if_index = self.mcast_itf.sw_if_index + reply = self.test.vapi.vxlan_gbp_tunnel_add_del( + is_add=1, + tunnel={ + 'src': self.src, + 'dst': self.dst, + 'mode': self.mode, + 'vni': self.vni, + 'mcast_sw_if_index': mcast_sw_if_index, + 'encap_table_id': self.encap_table_id, + 'instance': self.instance + }) + self.set_sw_if_index(reply.sw_if_index) + self._test.registry.register(self, self._test.logger) + + def remove_vpp_config(self): + mcast_sw_if_index = INDEX_INVALID + if (self.mcast_itf): + mcast_sw_if_index = self.mcast_itf.sw_if_index + self.test.vapi.vxlan_gbp_tunnel_add_del( + is_add=0, + tunnel={ + 'src': self.src, + 'dst': self.dst, + 'mode': self.mode, + 'vni': self.vni, + 'mcast_sw_if_index': mcast_sw_if_index, + 'encap_table_id': self.encap_table_id, + 'instance': self.instance, + }) + + def query_vpp_config(self): + return (INDEX_INVALID != find_vxlan_gbp_tunnel(self._test, + self.src, + self.dst, + self.vni)) + + def object_id(self): + return "vxlan-gbp-%d-%d-%s-%s" % (self.sw_if_index, self.vni, + self.src, self.dst) diff --git a/src/vnet/vxlan/test/vpp_vxlan_tunnel.py b/src/vnet/vxlan/test/vpp_vxlan_tunnel.py new file mode 100644 index 00000000000..dce5ab86c07 --- /dev/null +++ b/src/vnet/vxlan/test/vpp_vxlan_tunnel.py @@ -0,0 +1,86 @@ +from vpp_interface import VppInterface +from vpp_papi import VppEnum + + +INDEX_INVALID = 0xffffffff +DEFAULT_PORT = 4789 +UNDEFINED_PORT = 0 + + +def find_vxlan_tunnel(test, src, dst, s_port, d_port, vni): + ts = test.vapi.vxlan_tunnel_v2_dump(INDEX_INVALID) + + src_port = DEFAULT_PORT + if s_port != UNDEFINED_PORT: + src_port = s_port + + dst_port = DEFAULT_PORT + if d_port != UNDEFINED_PORT: + dst_port = d_port + + for t in ts: + if src == str(t.src_address) and \ + dst == str(t.dst_address) and \ + src_port == t.src_port and \ + dst_port == t.dst_port and \ + t.vni == vni: + return t.sw_if_index + return INDEX_INVALID + + +class VppVxlanTunnel(VppInterface): + """ + VPP VXLAN interface + """ + + def __init__(self, test, src, dst, vni, + src_port=UNDEFINED_PORT, dst_port=UNDEFINED_PORT, + mcast_itf=None, + mcast_sw_if_index=INDEX_INVALID, + decap_next_index=INDEX_INVALID, + encap_vrf_id=None, instance=0xffffffff): + """ Create VXLAN Tunnel interface """ + super(VppVxlanTunnel, self).__init__(test) + self.src = src + self.dst = dst + self.vni = vni + self.src_port = src_port + self.dst_port = dst_port + self.mcast_itf = mcast_itf + self.mcast_sw_if_index = mcast_sw_if_index + self.encap_vrf_id = encap_vrf_id + self.decap_next_index = decap_next_index + self.instance = instance + + if (self.mcast_itf): + self.mcast_sw_if_index = self.mcast_itf.sw_if_index + + def add_vpp_config(self): + reply = self.test.vapi.vxlan_add_del_tunnel_v2( + is_add=1, src_address=self.src, dst_address=self.dst, vni=self.vni, + src_port=self.src_port, dst_port=self.dst_port, + mcast_sw_if_index=self.mcast_sw_if_index, + encap_vrf_id=self.encap_vrf_id, + instance=self.instance, decap_next_index=self.decap_next_index) + self.set_sw_if_index(reply.sw_if_index) + self._test.registry.register(self, self._test.logger) + + def remove_vpp_config(self): + self.test.vapi.vxlan_add_del_tunnel_v2( + is_add=0, src_address=self.src, dst_address=self.dst, vni=self.vni, + src_port=self.src_port, dst_port=self.dst_port, + mcast_sw_if_index=self.mcast_sw_if_index, + encap_vrf_id=self.encap_vrf_id, instance=self.instance, + decap_next_index=self.decap_next_index) + + def query_vpp_config(self): + return (INDEX_INVALID != find_vxlan_tunnel(self._test, + self.src, + self.dst, + self.src_port, + self.dst_port, + self.vni)) + + def object_id(self): + return "vxlan-%d-%d-%s-%s" % (self.sw_if_index, self.vni, + self.src, self.dst) |