X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_vxlan6.py;h=1bf01262a4852423f4d2e6a931813360b3b16563;hb=5f22f7d11cc5af47c3d1188f0c890532fc1ed98d;hp=3a11ea91db1c11e10a4fba4e0d5a40f1cf6cfc49;hpb=2f1563129ad8d34d365f5ef8620ff76ff7b08e70;p=vpp.git diff --git a/test/test_vxlan6.py b/test/test_vxlan6.py index 3a11ea91db1..1bf01262a48 100644 --- a/test/test_vxlan6.py +++ b/test/test_vxlan6.py @@ -1,12 +1,13 @@ #!/usr/bin/env python3 -import socket import unittest -from framework import VppTestCase, VppTestRunner +from framework import VppTestCase +from asfframework import VppTestRunner from template_bd import BridgeDomain from scapy.layers.l2 import Ether -from scapy.layers.inet6 import IPv6, UDP +from scapy.packet import Raw, bind_layers +from scapy.layers.inet6 import IP, IPv6, UDP from scapy.layers.vxlan import VXLAN import util @@ -16,7 +17,7 @@ from vpp_ip import INVALID_INDEX class TestVxlan6(BridgeDomain, VppTestCase): - """ VXLAN over IPv6 Test Case """ + """VXLAN over IPv6 Test Case""" def __init__(self, *args): BridgeDomain.__init__(self) @@ -27,16 +28,18 @@ class TestVxlan6(BridgeDomain, VppTestCase): 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) + 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] + """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): @@ -44,18 +47,20 @@ class TestVxlan6(BridgeDomain, VppTestCase): 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) + 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)) + self.assertEqual(pkt[VXLAN].flags, int("0x8", 16)) return pkt[VXLAN].payload # Method for checking VXLAN encapsulation. @@ -79,24 +84,35 @@ class TestVxlan6(BridgeDomain, VppTestCase): 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, type(self).dport) - # TODO: checksum check + 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): + 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 = 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, - dst=dest_ip6, vni=vni) + 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) @@ -118,7 +134,6 @@ class TestVxlan6(BridgeDomain, VppTestCase): super(TestVxlan6, cls).setUpClass() try: - cls.dport = 4789 cls.flags = 0x8 # Create 2 pg interfaces. @@ -133,7 +148,7 @@ class TestVxlan6(BridgeDomain, VppTestCase): cls.pg0.resolve_ndp() # Our Multicast address - cls.mcast_ip6 = 'ff0e::1' + cls.mcast_ip6 = "ff0e::1" cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip6) except Exception: super(TestVxlan6, cls).tearDownClass() @@ -145,38 +160,64 @@ class TestVxlan6(BridgeDomain, VppTestCase): 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, - vni=self.single_tunnel_vni) + 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) + 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) - r = VppVxlanTunnel(self, src=self.pg0.local_ip6, dst=self.mcast_ip6, - mcast_sw_if_index=1, vni=self.mcast_flood_bd) + 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) + 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.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) + 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. @@ -190,6 +231,118 @@ class TestVxlan6(BridgeDomain, VppTestCase): 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__': +if __name__ == "__main__": unittest.main(testRunner=VppTestRunner)