+++ /dev/null
-#!/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)
Code Review / vpp.git / blobdiff