diff options
Diffstat (limited to 'src/vnet/vxlan/test/test_vxlan_gpe.py')
| -rw-r--r-- | src/vnet/vxlan/test/test_vxlan_gpe.py | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/src/vnet/vxlan/test/test_vxlan_gpe.py b/src/vnet/vxlan/test/test_vxlan_gpe.py deleted file mode 100644 index c5d6bf07f7c..00000000000 --- a/src/vnet/vxlan/test/test_vxlan_gpe.py +++ /dev/null @@ -1,265 +0,0 @@ -#!/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) |