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Diffstat (limited to 'test/test_geneve.py')
| -rw-r--r-- | test/test_geneve.py | 307 |
1 files changed, 0 insertions, 307 deletions
diff --git a/test/test_geneve.py b/test/test_geneve.py deleted file mode 100644 index 9ce1f8ff643..00000000000 --- a/test/test_geneve.py +++ /dev/null @@ -1,307 +0,0 @@ -#!/usr/bin/env python3 - -import socket -from util import ip4_range -import unittest -from framework import VppTestCase, VppTestRunner -from template_bd import BridgeDomain - -from scapy.layers.l2 import Ether, ARP -from scapy.layers.inet import IP, UDP, ICMP -from scapy.contrib.geneve import GENEVE - -import util -from vpp_ip_route import VppIpRoute, VppRoutePath -from vpp_ip import INVALID_INDEX - - -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 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 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_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.geneve_add_del_tunnel( - local_address=cls.pg0.local_ip4, remote_address=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 geneve ref_count mechanism - """ - n_shared_dst_tunnels = 10 - 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_address=cls.pg0.local_ip4, - remote_address=cls.mcast_ip4, mcast_sw_if_index=1, - is_add=is_add, vni=vni) - 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 geneve stability - """ - n_distinct_dst_tunnels = 10 - 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.geneve_add_del_tunnel(local_address=cls.pg0.local_ip4, - remote_address=dest_ip4, - mcast_sw_if_index=1, is_add=is_add, - vni=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 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_mac = util.mcast_ip_to_mac(cls.mcast_ip4) - - # Create GENEVE VTEP on VPP pg0, and put geneve_tunnel0 and pg1 - # into BD. - cls.single_tunnel_vni = 0xabcde - cls.single_tunnel_bd = 1 - r = cls.vapi.geneve_add_del_tunnel( - local_address=cls.pg0.local_ip4, - remote_address=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 = 2 - cls.create_geneve_flood_test_bd(cls.mcast_flood_bd, - cls.n_ucast_tunnels) - r = cls.vapi.geneve_add_del_tunnel( - local_address=cls.pg0.local_ip4, - remote_address=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 = 3 - cls.create_geneve_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(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() - - 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 geneve tunnel")) - - -class TestGeneveL3(VppTestCase): - """ GENEVE L3 Test Case """ - - @classmethod - def setUpClass(cls): - super(TestGeneveL3, cls).setUpClass() - try: - cls.create_pg_interfaces(range(2)) - cls.interfaces = list(cls.pg_interfaces) - - for i in cls.interfaces: - i.admin_up() - i.config_ip4() - i.resolve_arp() - except Exception: - super(TestGeneveL3, cls).tearDownClass() - raise - - @classmethod - def tearDownClass(cls): - super(TestGeneveL3, cls).tearDownClass() - - def tearDown(self): - super(TestGeneveL3, self).tearDown() - - def show_commands_at_teardown(self): - self.logger.info(self.vapi.cli("show geneve tunnel")) - self.logger.info(self.vapi.cli("show ip neighbor")) - - def test_l3_packet(self): - vni = 1234 - r = self.vapi.add_node_next(node_name="geneve4-input", - next_name="ethernet-input") - r = self.vapi.geneve_add_del_tunnel2( - is_add=1, - local_address=self.pg0.local_ip4, - remote_address=self.pg0.remote_ip4, - vni=vni, - l3_mode=1, - decap_next_index=r.next_index) - - self.vapi.sw_interface_add_del_address( - sw_if_index=r.sw_if_index, prefix="10.0.0.1/24") - - pkt = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") / - IP(src='10.0.0.2', dst='10.0.0.1') / - ICMP()) - - encap = (Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / - IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) / - UDP(sport=6081, dport=6081, chksum=0) / - GENEVE(vni=vni)) - - arp = (Ether(src=self.pg0.remote_mac, dst="d0:0b:ee:d0:00:00") / - ARP(op="is-at", hwsrc=self.pg0.remote_mac, - hwdst="d0:0b:ee:d0:00:00", psrc="10.0.0.2", - pdst="10.0.0.1")) - - rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0) - rx = self.send_and_assert_no_replies(self.pg0, encap/arp*1, self.pg0) - rx = self.send_and_expect(self.pg0, encap/pkt*1, self.pg0) - self.assertEqual(rx[0][ICMP].type, 0) # echo reply - - r = self.vapi.geneve_add_del_tunnel2( - is_add=0, - local_address=self.pg0.local_ip4, - remote_address=self.pg0.remote_ip4, - vni=vni) - -if __name__ == '__main__': - unittest.main(testRunner=VppTestRunner) |