diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/patches/scapy-2.3.3/enable_geneve.patch | 13 | ||||
| -rw-r--r-- | test/patches/scapy-2.3.3/geneve.patch | 56 | ||||
| -rw-r--r-- | test/test_geneve.py | 234 | ||||
| -rw-r--r-- | test/vpp_papi_provider.py | 32 |
4 files changed, 335 insertions, 0 deletions
diff --git a/test/patches/scapy-2.3.3/enable_geneve.patch b/test/patches/scapy-2.3.3/enable_geneve.patch new file mode 100644 index 00000000000..4e91b219d3e --- /dev/null +++ b/test/patches/scapy-2.3.3/enable_geneve.patch @@ -0,0 +1,13 @@ +diff --git a/scapy/config.py b/scapy/config.py +index cc97c6d..887b639 100755 +--- a/scapy/config.py ++++ b/scapy/config.py +@@ -439,7 +439,7 @@ debug_tls:When 1, print some TLS session secrets when they are computed. + "mobileip", "netbios", "netflow", "ntp", "ppp", "pptp", + "radius", "rip", "rtp", "skinny", "smb", "snmp", + "tftp", "x509", "bluetooth", "dhcp6", "llmnr", +- "sctp", "vrrp", "ipsec", "lltd", "vxlan", "eap"] ++ "sctp", "vrrp", "ipsec", "lltd", "vxlan", "eap", "geneve"] + contribs = dict() + crypto_valid = isCryptographyValid() + crypto_valid_advanced = isCryptographyAdvanced() diff --git a/test/patches/scapy-2.3.3/geneve.patch b/test/patches/scapy-2.3.3/geneve.patch new file mode 100644 index 00000000000..92752f1196e --- /dev/null +++ b/test/patches/scapy-2.3.3/geneve.patch @@ -0,0 +1,56 @@ +diff --git a/scapy/layers/geneve.py b/scapy/layers/geneve.py +new file mode 100644 +index 0000000..e2ca888 +--- /dev/null ++++ b/scapy/layers/geneve.py +@@ -0,0 +1,50 @@ ++#! /usr/bin/env python ++# (GENEVE): ++# A Framework for Overlaying Virtualized Layer 2 Networks over Layer 3 Networks ++ ++from scapy.packet import Packet, bind_layers ++from scapy.layers.l2 import Ether ++from scapy.layers.inet import IP, UDP ++from scapy.layers.inet6 import IPv6 ++from scapy.fields import FlagsField, XByteField, ThreeBytesField, \ ++ ConditionalField, ShortField, ByteEnumField, X3BytesField ++ ++# ++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ++# |Ver| Opt Len |O|C| Rsvd. | Protocol Type | ++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ++# | Virtual Network Identifier (VNI) | Reserved | ++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ++# | Variable Length Options | ++# +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ ++# ++ ++class GENEVE(Packet): ++ name = "GENEVE" ++ ++ fields_desc = [ ++ # INIT = ver + optlen + o + c + rsvd (all zeros) ++ ShortField("init", 0x0), ++ # PROTOCOL is a 2-bytes field ++ ShortField("protocol", 0x6558), ++ ThreeBytesField("vni", 0), ++ XByteField("reserved2", 0), ++ ] ++ ++ def mysummary(self): ++ return self.sprintf("GENEVE (vni=%GENEVE.vni%)") ++ ++bind_layers(UDP, GENEVE, dport=6081) # RFC standard port ++bind_layers(UDP, GENEVE, dport=6081) # New IANA assigned port for use with NSH ++bind_layers(UDP, GENEVE, dport=8472) # Linux implementation port ++# By default, set both ports to the RFC standard ++bind_layers(UDP, GENEVE, sport=6081, dport=6081) ++ ++bind_layers(GENEVE, Ether) ++bind_layers(GENEVE, IP, NextProtocol=1) ++bind_layers(GENEVE, IPv6, NextProtocol=2) ++bind_layers(GENEVE, Ether, flags=4, NextProtocol=0) ++bind_layers(GENEVE, IP, flags=4, NextProtocol=1) ++bind_layers(GENEVE, IPv6, flags=4, NextProtocol=2) ++bind_layers(GENEVE, Ether, flags=4, NextProtocol=3) ++ diff --git a/test/test_geneve.py b/test/test_geneve.py new file mode 100644 index 00000000000..c32302c7384 --- /dev/null +++ b/test/test_geneve.py @@ -0,0 +1,234 @@ +#!/usr/bin/env python + +import socket +from util import ip4n_range +import unittest +from framework import VppTestCase, VppTestRunner +from template_bd import BridgeDomain + +from scapy.layers.l2 import Ether +from scapy.layers.inet import IP, UDP +from scapy.layers.geneve import GENEVE +from scapy.utils import atol + + +class TestGeneve(BridgeDomain, VppTestCase): + """ GENEVE 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 GENEVE 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) / + GENEVE(vni=vni) / + pkt) + + def encap_mcast(self, pkt, src_ip, src_mac, vni): + """ + Encapsulate the original payload frame by adding GENEVE 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) / + GENEVE(vni=vni) / + pkt) + + def decapsulate(self, pkt): + """ + Decapsulate the original payload frame by removing GENEVE header + """ + # check if is set I flag + # self.assertEqual(pkt[GENEVE].flags, int('0x8', 16)) + return pkt[GENEVE].payload + + # Method for checking GENEVE 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 GENEVE 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 GENEVE 4789, source UDP port could be + # arbitrary. + self.assertEqual(pkt[UDP].dport, type(self).dport) + # TODO: checksum check + # Verify VNI + self.assertEqual(pkt[GENEVE].vni, vni) + + @classmethod + def create_geneve_flood_test_bd(cls, vni, n_ucast_tunnels): + # Create 10 ucast geneve 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(dest_ip4n, 32, next_hop_address) + r = cls.vapi.geneve_add_del_tunnel( + local_addr=cls.pg0.local_ip4n, + remote_addr=dest_ip4n, + vni=vni) + cls.vapi.sw_interface_set_l2_bridge(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 geneve ref_count mechanism + """ + n_shared_dst_tunnels = 2000 + vni_start = 10000 + vni_end = vni_start + n_shared_dst_tunnels + for vni in range(vni_start, vni_end): + r = cls.vapi.geneve_add_del_tunnel( + local_addr=cls.pg0.local_ip4n, + remote_addr=cls.mcast_ip4n, + mcast_sw_if_index=1, + vni=vni, + is_add=is_add) + if r.sw_if_index == 0xffffffff: + raise "bad sw_if_index" + + @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 geneve stability + """ + n_distinct_dst_tunnels = 200 + 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): + vni = bytearray(dest_ip4n)[3] + cls.vapi.geneve_add_del_tunnel( + local_addr=cls.pg0.local_ip4n, + remote_addr=dest_ip4n, + 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 GENEVE 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(TestGeneve, cls).setUpClass() + + try: + cls.dport = 6081 + + # 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_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) + + # Create GENEVE VTEP on VPP pg0, and put geneve_tunnel0 and pg1 + # into BD. + cls.single_tunnel_bd = 1 + r = cls.vapi.geneve_add_del_tunnel( + local_addr=cls.pg0.local_ip4n, + remote_addr=cls.pg0.remote_ip4n, + vni=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, + bd_id=cls.single_tunnel_bd) + + # Setup vni 2 to test multicast flooding + cls.n_ucast_tunnels = 10 + cls.mcast_flood_bd = 2 + cls.create_geneve_flood_test_bd(cls.mcast_flood_bd, + cls.n_ucast_tunnels) + r = cls.vapi.geneve_add_del_tunnel( + local_addr=cls.pg0.local_ip4n, + remote_addr=cls.mcast_ip4n, + mcast_sw_if_index=1, + vni=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, + 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 = 3 + cls.create_geneve_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) + except Exception: + super(TestGeneve, cls).tearDownClass() + raise + + # 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(TestGeneve, self).tearDown() + if not self.vpp_dead: + 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 geneve tunnel")) + + +if __name__ == '__main__': + unittest.main(testRunner=VppTestRunner) diff --git a/test/vpp_papi_provider.py b/test/vpp_papi_provider.py index f9f54da2606..c3127f84022 100644 --- a/test/vpp_papi_provider.py +++ b/test/vpp_papi_provider.py @@ -385,6 +385,38 @@ class VppPapiProvider(object): 'decap_next_index': decap_next_index, 'vni': vni}) + def geneve_add_del_tunnel( + self, + local_addr, + remote_addr, + mcast_sw_if_index=0xFFFFFFFF, + is_add=1, + is_ipv6=0, + encap_vrf_id=0, + decap_next_index=0xFFFFFFFF, + vni=0): + """ + + :param remote_addr: + :param local_addr: + :param is_add: (Default value = 1) + :param is_ipv6: (Default value = 0) + :param encap_vrf_id: (Default value = 0) + :param decap_next_index: (Default value = 0xFFFFFFFF) + :param mcast_sw_if_index: (Default value = 0xFFFFFFFF) + :param vni: (Default value = 0) + + """ + return self.api(self.papi.geneve_add_del_tunnel, + {'is_add': is_add, + 'is_ipv6': is_ipv6, + 'local_address': local_addr, + 'remote_address': remote_addr, + 'mcast_sw_if_index': mcast_sw_if_index, + 'encap_vrf_id': encap_vrf_id, + 'decap_next_index': decap_next_index, + 'vni': vni}) + def bridge_domain_add_del(self, bd_id, flood=1, uu_flood=1, forward=1, learn=1, arp_term=0, is_add=1): """Create/delete bridge domain. |