#!/usr/bin/env python3
-import socket
-from util import ip4n_range, ip4_range
+from util import ip4_range
import unittest
-from framework import VppTestCase, VppTestRunner, running_extended_tests
+from config import config
+from framework import VppTestCase
+from asfframework import VppTestRunner
from template_bd import BridgeDomain
-from scapy.layers.l2 import Ether, Raw
+from scapy.layers.l2 import Ether
+from scapy.packet import bind_layers
from scapy.layers.inet import IP, UDP
from scapy.layers.vxlan import VXLAN
-from scapy.utils import atol
+
+import util
from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_vxlan_gpe_tunnel import VppVxlanGpeTunnel
from vpp_ip import INVALID_INDEX
-@unittest.skipUnless(running_extended_tests, "part of extended tests")
+@unittest.skipUnless(config.extended, "part of extended tests")
class TestVxlanGpe(BridgeDomain, VppTestCase):
- """ VXLAN-GPE Test Case """
+ """VXLAN-GPE Test Case"""
def __init__(self, *args):
BridgeDomain.__init__(self)
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)
+ 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 """
+ """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)
+ 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)
+ self.assertEqual(pkt[VXLAN].flags, 0x0C)
return pkt[VXLAN].payload
# Method for checking VXLAN-GPE encapsulation.
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)
+ self.assertEqual(pkt[UDP].dport, 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):
+ def create_vxlan_gpe_flood_test_bd(cls, vni, n_ucast_tunnels, port):
# 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):
+ 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 = VppIpRoute(
+ cls,
+ dest_ip4,
+ 32,
+ [VppRoutePath(next_hop_address, INVALID_INDEX)],
+ register=False,
+ )
rip.add_vpp_config()
- dest_ip4n = socket.inet_pton(socket.AF_INET, dest_ip4)
- r = cls.vapi.vxlan_gpe_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=dest_ip4n,
- vni=vni)
- cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
- bd_id=vni)
+ r = VppVxlanGpeTunnel(
+ cls,
+ src_addr=cls.pg0.local_ip4,
+ dst_addr=dest_ip4,
+ src_port=port,
+ dst_port=port,
+ vni=vni,
+ )
+ r.add_vpp_config()
+ 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):
+ def add_del_shared_mcast_dst_load(cls, port, is_add):
"""
add or del tunnels sharing the same mcast dst
to test vxlan_gpe ref_count mechanism
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(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=cls.mcast_ip4n,
+ r = VppVxlanGpeTunnel(
+ cls,
+ src_addr=cls.pg0.local_ip4,
+ dst_addr=cls.mcast_ip4,
+ src_port=port,
+ dst_port=port,
mcast_sw_if_index=1,
vni=vni,
- is_add=is_add)
- if r.sw_if_index == 0xffffffff:
- raise ValueError("bad sw_if_index: ~0")
+ )
+ if is_add:
+ r.add_vpp_config()
+ if r.sw_if_index == 0xFFFFFFFF:
+ raise ValueError("bad sw_if_index: ~0")
+ else:
+ r.remove_vpp_config()
@classmethod
- def add_shared_mcast_dst_load(cls):
- cls.add_del_shared_mcast_dst_load(is_add=1)
+ def add_shared_mcast_dst_load(cls, port):
+ cls.add_del_shared_mcast_dst_load(port=port, is_add=1)
@classmethod
- def del_shared_mcast_dst_load(cls):
- cls.add_del_shared_mcast_dst_load(is_add=0)
+ def del_shared_mcast_dst_load(cls, port):
+ cls.add_del_shared_mcast_dst_load(port=port, is_add=0)
@classmethod
- def add_del_mcast_tunnels_load(cls, is_add):
+ def add_del_mcast_tunnels_load(cls, port, 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_ip4n in ip4n_range(cls.mcast_ip4n, ip_range_start,
- ip_range_end):
- vni = bytearray(dest_ip4n)[3]
- cls.vapi.vxlan_gpe_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=dest_ip4n,
+ for dest_ip4 in ip4_range(cls.mcast_ip4, ip_range_start, ip_range_end):
+ vni = int(dest_ip4.split(".")[3])
+ r = VppVxlanGpeTunnel(
+ cls,
+ src_addr=cls.pg0.local_ip4,
+ dst_addr=dest_ip4,
+ src_port=port,
+ dst_port=port,
mcast_sw_if_index=1,
vni=vni,
- is_add=is_add)
+ )
+ if is_add:
+ r.add_vpp_config()
+ else:
+ r.remove_vpp_config()
@classmethod
- def add_mcast_tunnels_load(cls):
- cls.add_del_mcast_tunnels_load(is_add=1)
+ def add_mcast_tunnels_load(cls, port):
+ cls.add_del_mcast_tunnels_load(port=port, is_add=1)
@classmethod
- def del_mcast_tunnels_load(cls):
- cls.add_del_mcast_tunnels_load(is_add=0)
+ def del_mcast_tunnels_load(cls, port):
+ cls.add_del_mcast_tunnels_load(port=port, is_add=0)
# Class method to start the VXLAN-GPE test case.
# Overrides setUpClass method in VppTestCase class.
super(TestVxlanGpe, cls).setUpClass()
try:
- cls.dport = 4790
- cls.flags = 0x0c
+ cls.flags = 0x0C
# Create 2 pg interfaces.
cls.create_pg_interfaces(range(4))
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 VXLAN-GPE VTEP on VPP pg0, and put vxlan_gpe_tunnel0
- # and pg1 into BD.
- cls.single_tunnel_bd = 11
- r = cls.vapi.vxlan_gpe_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=cls.pg0.remote_ip4n,
- vni=cls.single_tunnel_bd)
- 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_ip4n,
- dst_addr=cls.mcast_ip4n,
- 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)
+ cls.mcast_ip4 = "239.1.1.1"
+ cls.mcast_mac = util.mcast_ip_to_mac(cls.mcast_ip4)
except Exception:
- super(TestVxlanGpe, cls).tearDownClass()
+ cls.tearDownClass()
raise
@classmethod
def tearDownClass(cls):
super(TestVxlanGpe, cls).tearDownClass()
+ def setUp(self):
+ super(TestVxlanGpe, self).setUp()
+
+ def createVxLANInterfaces(self, port=4790):
+ # Create VXLAN-GPE VTEP on VPP pg0, and put vxlan_gpe_tunnel0
+ # and pg1 into BD.
+ self.dport = port
+
+ self.single_tunnel_vni = 0xABCDE
+ self.single_tunnel_bd = 11
+ r = VppVxlanGpeTunnel(
+ self,
+ src_addr=self.pg0.local_ip4,
+ dst_addr=self.pg0.remote_ip4,
+ src_port=port,
+ dst_port=port,
+ 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
+ )
+
+ # Setup vni 2 to test multicast flooding
+ self.n_ucast_tunnels = 10
+ self.mcast_flood_bd = 12
+ self.create_vxlan_gpe_flood_test_bd(
+ self.mcast_flood_bd, self.n_ucast_tunnels, self.dport
+ )
+ r = VppVxlanGpeTunnel(
+ self,
+ src_addr=self.pg0.local_ip4,
+ dst_addr=self.mcast_ip4,
+ src_port=port,
+ dst_port=port,
+ 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
+ )
+
+ # Add and delete mcast tunnels to check stability
+ self.add_shared_mcast_dst_load(self.dport)
+ self.add_mcast_tunnels_load(self.dport)
+ self.del_shared_mcast_dst_load(self.dport)
+ self.del_mcast_tunnels_load(self.dport)
+
+ # Setup vni 3 to test unicast flooding
+ self.ucast_flood_bd = 13
+ self.create_vxlan_gpe_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
+ )
+
+ # Set scapy listen custom port for VxLAN
+ bind_layers(UDP, VXLAN, dport=self.dport)
+
+ """
+ Tests with default port (4790)
+ """
+
+ def test_decap(self):
+ """Decapsulation test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlanGpe, self).test_decap()
+
+ def test_encap(self):
+ """Encapsulation test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlanGpe, self).test_encap()
+
+ def test_ucast_flood(self):
+ """Unicast flood test
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces()
+ super(TestVxlanGpe, self).test_ucast_flood()
+
+ """
+ Tests with custom port (1112)
+ """
+
+ def test_decap_custom_port(self):
+ """Decapsulation test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1112)
+ super(TestVxlanGpe, self).test_decap()
+
+ def test_encap_custom_port(self):
+ """Encapsulation test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1112)
+ super(TestVxlanGpe, self).test_encap()
+
+ def test_ucast_flood_custom_port(self):
+ """Unicast flood test custom port
+ from BridgeDoman
+ """
+ self.createVxLANInterfaces(1112)
+ super(TestVxlanGpe, self).test_ucast_flood()
+
@unittest.skip("test disabled for vxlan-gpe")
def test_mcast_flood(self):
- """ inherited from BridgeDomain """
+ """inherited from BridgeDomain"""
pass
@unittest.skip("test disabled for vxlan-gpe")
def test_mcast_rcv(self):
- """ inherited from BridgeDomain """
+ """inherited from BridgeDomain"""
pass
# Method to define VPP actions before tear down of the test case.
self.logger.info(self.vapi.cli("show trace"))
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff