-#!/usr/bin/env python
+#!/usr/bin/env python3
import unittest
from scapy.layers.inet6 import IPv6
from scapy.volatile import RandMAC, RandIP
+from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import L2_VTR_OP, VppDot1QSubint
from vpp_gre_interface import VppGreInterface
+from vpp_teib import VppTeib
from vpp_ip import DpoProto
-from vpp_ip_route import VppIpRoute, VppRoutePath, VppIpTable
+from vpp_ip_route import (
+ VppIpRoute,
+ VppRoutePath,
+ VppIpTable,
+ FibPathProto,
+ VppMplsLabel,
+)
+from vpp_mpls_tunnel_interface import VppMPLSTunnelInterface
from util import ppp, ppc
from vpp_papi import VppEnum
+@tag_fixme_vpp_workers
class TestGREInputNodes(VppTestCase):
- """ GRE Input Nodes Test Case """
+ """GRE Input Nodes Test Case"""
def setUp(self):
super(TestGREInputNodes, self).setUp()
super(TestGREInputNodes, self).tearDown()
def test_gre_input_node(self):
- """ GRE gre input nodes not registerd unless configured """
- pkt = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
- IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4) /
- GRE())
+ """GRE gre input nodes not registerd unless configured"""
+ pkt = (
+ Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac)
+ / IP(src=self.pg0.remote_ip4, dst=self.pg0.local_ip4)
+ / GRE()
+ )
self.pg0.add_stream(pkt)
self.pg_start()
# no tunnel created, gre-input not registered
- err = self.statistics.get_counter(
- '/err/ip4-input/unknown ip protocol')[0]
+ err = self.statistics.get_counter("/err/ip4-local/unknown_protocol")[0]
self.assertEqual(err, 1)
err_count = err
self.pg0.add_stream(pkt)
self.pg_start()
# tunnel created, gre-input registered
- err = self.statistics.get_counter(
- '/err/ip4-input/unknown ip protocol')[0]
+ err = self.statistics.get_counter("/err/ip4-local/unknown_protocol")[0]
# expect no new errors
self.assertEqual(err, err_count)
class TestGRE(VppTestCase):
- """ GRE Test Case """
+ """GRE Test Case"""
@classmethod
def setUpClass(cls):
super(TestGRE, self).setUp()
# create 3 pg interfaces - set one in a non-default table.
- self.create_pg_interfaces(range(3))
+ self.create_pg_interfaces(range(5))
self.tbl = VppIpTable(self, 1)
self.tbl.add_vpp_config()
self.pg1.resolve_arp()
self.pg2.config_ip6()
self.pg2.resolve_ndp()
+ self.pg3.config_ip4()
+ self.pg3.resolve_arp()
+ self.pg4.config_ip4()
+ self.pg4.resolve_arp()
def tearDown(self):
for i in self.pg_interfaces:
self.pg1.set_table_ip4(0)
super(TestGRE, self).tearDown()
- def create_stream_ip4(self, src_if, src_ip, dst_ip):
+ def create_stream_ip4(self, src_if, src_ip, dst_ip, dscp=0, ecn=0):
pkts = []
+ tos = (dscp << 2) | ecn
for i in range(0, 257):
info = self.create_packet_info(src_if, src_if)
payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IP(src=src_ip, dst=dst_ip) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IP(src=src_ip, dst=dst_ip, tos=tos)
+ / UDP(sport=1234, dport=1234)
+ / Raw(payload)
+ )
info.data = p.copy()
pkts.append(p)
return pkts
- def create_stream_ip6(self, src_if, src_ip, dst_ip):
+ def create_stream_ip6(self, src_if, src_ip, dst_ip, dscp=0, ecn=0):
pkts = []
+ tc = (dscp << 2) | ecn
for i in range(0, 257):
info = self.create_packet_info(src_if, src_if)
payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IPv6(src=src_ip, dst=dst_ip) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IPv6(src=src_ip, dst=dst_ip, tc=tc)
+ / UDP(sport=1234, dport=1234)
+ / Raw(payload)
+ )
info.data = p.copy()
pkts.append(p)
return pkts
- def create_tunnel_stream_4o4(self, src_if,
- tunnel_src, tunnel_dst,
- src_ip, dst_ip):
+ def create_tunnel_stream_4o4(self, src_if, tunnel_src, tunnel_dst, src_ip, dst_ip):
pkts = []
for i in range(0, 257):
info = self.create_packet_info(src_if, src_if)
payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IP(src=tunnel_src, dst=tunnel_dst) /
- GRE() /
- IP(src=src_ip, dst=dst_ip) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IP(src=tunnel_src, dst=tunnel_dst)
+ / GRE()
+ / IP(src=src_ip, dst=dst_ip)
+ / UDP(sport=1234, dport=1234)
+ / Raw(payload)
+ )
info.data = p.copy()
pkts.append(p)
return pkts
- def create_tunnel_stream_6o4(self, src_if,
- tunnel_src, tunnel_dst,
- src_ip, dst_ip):
+ def create_tunnel_stream_6o4(self, src_if, tunnel_src, tunnel_dst, src_ip, dst_ip):
pkts = []
for i in range(0, 257):
info = self.create_packet_info(src_if, src_if)
payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IP(src=tunnel_src, dst=tunnel_dst) /
- GRE() /
- IPv6(src=src_ip, dst=dst_ip) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IP(src=tunnel_src, dst=tunnel_dst)
+ / GRE()
+ / IPv6(src=src_ip, dst=dst_ip)
+ / UDP(sport=1234, dport=1234)
+ / Raw(payload)
+ )
info.data = p.copy()
pkts.append(p)
return pkts
- def create_tunnel_stream_6o6(self, src_if,
- tunnel_src, tunnel_dst,
- src_ip, dst_ip):
+ def create_tunnel_stream_6o6(self, src_if, tunnel_src, tunnel_dst, src_ip, dst_ip):
pkts = []
for i in range(0, 257):
info = self.create_packet_info(src_if, src_if)
payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IPv6(src=tunnel_src, dst=tunnel_dst) /
- GRE() /
- IPv6(src=src_ip, dst=dst_ip) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IPv6(src=tunnel_src, dst=tunnel_dst)
+ / GRE()
+ / IPv6(src=src_ip, dst=dst_ip)
+ / UDP(sport=1234, dport=1234)
+ / Raw(payload)
+ )
info.data = p.copy()
pkts.append(p)
return pkts
- def create_tunnel_stream_l2o4(self, src_if,
- tunnel_src, tunnel_dst):
+ def create_tunnel_stream_l2o4(self, src_if, tunnel_src, tunnel_dst):
pkts = []
for i in range(0, 257):
info = self.create_packet_info(src_if, src_if)
payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IP(src=tunnel_src, dst=tunnel_dst) /
- GRE() /
- Ether(dst=RandMAC('*:*:*:*:*:*'),
- src=RandMAC('*:*:*:*:*:*')) /
- IP(src=scapy.compat.raw(RandIP()),
- dst=scapy.compat.raw(RandIP())) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IP(src=tunnel_src, dst=tunnel_dst)
+ / GRE()
+ / Ether(dst=RandMAC("*:*:*:*:*:*"), src=RandMAC("*:*:*:*:*:*"))
+ / IP(src=scapy.compat.raw(RandIP()), dst=scapy.compat.raw(RandIP()))
+ / UDP(sport=1234, dport=1234)
+ / Raw(payload)
+ )
info.data = p.copy()
pkts.append(p)
return pkts
- def create_tunnel_stream_vlano4(self, src_if,
- tunnel_src, tunnel_dst, vlan):
+ def create_tunnel_stream_vlano4(self, src_if, tunnel_src, tunnel_dst, vlan):
pkts = []
for i in range(0, 257):
info = self.create_packet_info(src_if, src_if)
payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IP(src=tunnel_src, dst=tunnel_dst) /
- GRE() /
- Ether(dst=RandMAC('*:*:*:*:*:*'),
- src=RandMAC('*:*:*:*:*:*')) /
- Dot1Q(vlan=vlan) /
- IP(src=scapy.compat.raw(RandIP()),
- dst=scapy.compat.raw(RandIP())) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
+ p = (
+ Ether(dst=src_if.local_mac, src=src_if.remote_mac)
+ / IP(src=tunnel_src, dst=tunnel_dst)
+ / GRE()
+ / Ether(dst=RandMAC("*:*:*:*:*:*"), src=RandMAC("*:*:*:*:*:*"))
+ / Dot1Q(vlan=vlan)
+ / IP(src=scapy.compat.raw(RandIP()), dst=scapy.compat.raw(RandIP()))
+ / UDP(sport=1234, dport=1234)
+ / Raw(payload)
+ )
info.data = p.copy()
pkts.append(p)
return pkts
- def verify_tunneled_4o4(self, src_if, capture, sent,
- tunnel_src, tunnel_dst):
+ def verify_tunneled_4o4(
+ self, src_if, capture, sent, tunnel_src, tunnel_dst, dscp=0, ecn=0
+ ):
self.assertEqual(len(capture), len(sent))
+ tos = (dscp << 2) | ecn
for i in range(len(capture)):
try:
self.assertEqual(rx_ip.src, tunnel_src)
self.assertEqual(rx_ip.dst, tunnel_dst)
+ self.assertEqual(rx_ip.tos, tos)
+ self.assertEqual(rx_ip.len, len(rx_ip))
rx_gre = rx[GRE]
rx_ip = rx_gre[IP]
self.logger.error(ppp("Tx:", tx))
raise
- def verify_tunneled_6o6(self, src_if, capture, sent,
- tunnel_src, tunnel_dst):
+ def verify_tunneled_6o6(
+ self, src_if, capture, sent, tunnel_src, tunnel_dst, dscp=0, ecn=0
+ ):
self.assertEqual(len(capture), len(sent))
+ tc = (dscp << 2) | ecn
for i in range(len(capture)):
try:
self.assertEqual(rx_ip.src, tunnel_src)
self.assertEqual(rx_ip.dst, tunnel_dst)
+ self.assertEqual(rx_ip.tc, tc)
rx_gre = GRE(scapy.compat.raw(rx_ip[IPv6].payload))
+
+ self.assertEqual(rx_ip.plen, len(rx_gre))
+
rx_ip = rx_gre[IPv6]
self.assertEqual(rx_ip.src, tx_ip.src)
self.logger.error(ppp("Tx:", tx))
raise
- def verify_tunneled_4o6(self, src_if, capture, sent,
- tunnel_src, tunnel_dst):
+ def verify_tunneled_4o6(self, src_if, capture, sent, tunnel_src, tunnel_dst):
self.assertEqual(len(capture), len(sent))
self.assertEqual(rx_ip.dst, tunnel_dst)
rx_gre = GRE(scapy.compat.raw(rx_ip[IPv6].payload))
+
+ self.assertEqual(rx_ip.plen, len(rx_gre))
+
tx_ip = tx[IP]
rx_ip = rx_gre[IP]
self.logger.error(ppp("Tx:", tx))
raise
- def verify_tunneled_6o4(self, src_if, capture, sent,
- tunnel_src, tunnel_dst):
+ def verify_tunneled_6o4(self, src_if, capture, sent, tunnel_src, tunnel_dst):
self.assertEqual(len(capture), len(sent))
self.assertEqual(rx_ip.src, tunnel_src)
self.assertEqual(rx_ip.dst, tunnel_dst)
+ self.assertEqual(rx_ip.len, len(rx_ip))
rx_gre = GRE(scapy.compat.raw(rx_ip[IP].payload))
rx_ip = rx_gre[IPv6]
self.logger.error(ppp("Tx:", tx))
raise
- def verify_tunneled_l2o4(self, src_if, capture, sent,
- tunnel_src, tunnel_dst):
+ def verify_tunneled_l2o4(self, src_if, capture, sent, tunnel_src, tunnel_dst):
self.assertEqual(len(capture), len(sent))
for i in range(len(capture)):
self.assertEqual(rx_ip.src, tunnel_src)
self.assertEqual(rx_ip.dst, tunnel_dst)
+ self.assertEqual(rx_ip.len, len(rx_ip))
rx_gre = rx[GRE]
rx_l2 = rx_gre[Ether]
self.logger.error(ppp("Tx:", tx))
raise
- def verify_tunneled_vlano4(self, src_if, capture, sent,
- tunnel_src, tunnel_dst, vlan):
+ def verify_tunneled_vlano4(
+ self, src_if, capture, sent, tunnel_src, tunnel_dst, vlan
+ ):
try:
self.assertEqual(len(capture), len(sent))
except:
self.logger.error(ppp("Tx:", tx))
raise
+ def verify_decapped_6o6(self, src_if, capture, sent):
+ self.assertEqual(len(capture), len(sent))
+
+ for i in range(len(capture)):
+ try:
+ tx = sent[i]
+ rx = capture[i]
+
+ tx_ip = tx[IPv6]
+ rx_ip = rx[IPv6]
+ tx_gre = tx[GRE]
+ tx_ip = tx_gre[IPv6]
+
+ self.assertEqual(rx_ip.src, tx_ip.src)
+ self.assertEqual(rx_ip.dst, tx_ip.dst)
+ self.assertEqual(rx_ip.hlim + 1, tx_ip.hlim)
+
+ except:
+ self.logger.error(ppp("Rx:", rx))
+ self.logger.error(ppp("Tx:", tx))
+ raise
+
def test_gre(self):
- """ GRE IPv4 tunnel Tests """
+ """GRE IPv4 tunnel Tests"""
#
# Create an L3 GRE tunnel.
# - assign an IP Addres
# - Add a route via the tunnel
#
- gre_if = VppGreInterface(self,
- self.pg0.local_ip4,
- "1.1.1.2")
+ gre_if = VppGreInterface(self, self.pg0.local_ip4, "1.1.1.2")
gre_if.add_vpp_config()
#
gre_if.admin_up()
gre_if.config_ip4()
- route_via_tun = VppIpRoute(self, "4.4.4.4", 32,
- [VppRoutePath("0.0.0.0",
- gre_if.sw_if_index)])
+ route_via_tun = VppIpRoute(
+ self, "4.4.4.4", 32, [VppRoutePath("0.0.0.0", gre_if.sw_if_index)]
+ )
route_via_tun.add_vpp_config()
#
# Add a route that resolves the tunnel's destination
#
- route_tun_dst = VppIpRoute(self, "1.1.1.2", 32,
- [VppRoutePath(self.pg0.remote_ip4,
- self.pg0.sw_if_index)])
+ route_tun_dst = VppIpRoute(
+ self,
+ "1.1.1.2",
+ 32,
+ [VppRoutePath(self.pg0.remote_ip4, self.pg0.sw_if_index)],
+ )
route_tun_dst.add_vpp_config()
#
#
tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "4.4.4.4")
rx = self.send_and_expect(self.pg0, tx, self.pg0)
- self.verify_tunneled_4o4(self.pg0, rx, tx,
- self.pg0.local_ip4, "1.1.1.2")
+ self.verify_tunneled_4o4(self.pg0, rx, tx, self.pg0.local_ip4, "1.1.1.2")
#
# Send tunneled packets that match the created tunnel and
# are decapped and forwarded
#
- tx = self.create_tunnel_stream_4o4(self.pg0,
- "1.1.1.2",
- self.pg0.local_ip4,
- self.pg0.local_ip4,
- self.pg0.remote_ip4)
+ tx = self.create_tunnel_stream_4o4(
+ self.pg0,
+ "1.1.1.2",
+ self.pg0.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ )
rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_decapped_4o4(self.pg0, rx, tx)
# Send tunneled packets that do not match the tunnel's src
#
self.vapi.cli("clear trace")
- tx = self.create_tunnel_stream_4o4(self.pg0,
- "1.1.1.3",
- self.pg0.local_ip4,
- self.pg0.local_ip4,
- self.pg0.remote_ip4)
+ tx = self.create_tunnel_stream_4o4(
+ self.pg0,
+ "1.1.1.3",
+ self.pg0.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ )
self.send_and_assert_no_replies(
- self.pg0, tx,
- remark="GRE packets forwarded despite no SRC address match")
+ self.pg0, tx, remark="GRE packets forwarded despite no SRC address match"
+ )
#
# Configure IPv6 on the PG interface so we can route IPv6
# Send IPv6 tunnel encapslated packets
# - dropped since IPv6 is not enabled on the tunnel
#
- tx = self.create_tunnel_stream_6o4(self.pg0,
- "1.1.1.2",
- self.pg0.local_ip4,
- self.pg0.local_ip6,
- self.pg0.remote_ip6)
- self.send_and_assert_no_replies(self.pg0, tx,
- "IPv6 GRE packets forwarded "
- "despite IPv6 not enabled on tunnel")
+ tx = self.create_tunnel_stream_6o4(
+ self.pg0,
+ "1.1.1.2",
+ self.pg0.local_ip4,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6,
+ )
+ self.send_and_assert_no_replies(
+ self.pg0,
+ tx,
+ "IPv6 GRE packets forwarded despite IPv6 not enabled on tunnel",
+ )
#
# Enable IPv6 on the tunnel
# Send IPv6 tunnel encapslated packets
# - forwarded since IPv6 is enabled on the tunnel
#
- tx = self.create_tunnel_stream_6o4(self.pg0,
- "1.1.1.2",
- self.pg0.local_ip4,
- self.pg0.local_ip6,
- self.pg0.remote_ip6)
+ tx = self.create_tunnel_stream_6o4(
+ self.pg0,
+ "1.1.1.2",
+ self.pg0.local_ip4,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6,
+ )
rx = self.send_and_expect(self.pg0, tx, self.pg0)
self.verify_decapped_6o4(self.pg0, rx, tx)
# Send v6 packets for v4 encap
#
route6_via_tun = VppIpRoute(
- self, "2001::1", 128,
- [VppRoutePath("::",
- gre_if.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ self,
+ "2001::1",
+ 128,
+ [VppRoutePath("::", gre_if.sw_if_index, proto=DpoProto.DPO_PROTO_IP6)],
+ )
route6_via_tun.add_vpp_config()
tx = self.create_stream_ip6(self.pg0, "2001::2", "2001::1")
rx = self.send_and_expect(self.pg0, tx, self.pg0)
- self.verify_tunneled_6o4(self.pg0, rx, tx,
- self.pg0.local_ip4, "1.1.1.2")
+ self.verify_tunneled_6o4(self.pg0, rx, tx, self.pg0.local_ip4, "1.1.1.2")
+
+ #
+ # add a labelled route through the tunnel
+ #
+ label_via_tun = VppIpRoute(
+ self,
+ "5.4.3.2",
+ 32,
+ [VppRoutePath("0.0.0.0", gre_if.sw_if_index, labels=[VppMplsLabel(33)])],
+ )
+ label_via_tun.add_vpp_config()
+
+ tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "5.4.3.2")
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
+ self.verify_tunneled_4o4(self.pg0, rx, tx, self.pg0.local_ip4, "1.1.1.2")
+
+ #
+ # an MPLS tunnel over the GRE tunnel add a route through
+ # the mpls tunnel
+ #
+ mpls_tun = VppMPLSTunnelInterface(
+ self,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ gre_if.sw_if_index,
+ labels=[VppMplsLabel(44), VppMplsLabel(46)],
+ )
+ ],
+ )
+ mpls_tun.add_vpp_config()
+ mpls_tun.admin_up()
+
+ label_via_mpls = VppIpRoute(
+ self,
+ "5.4.3.1",
+ 32,
+ [VppRoutePath("0.0.0.0", mpls_tun.sw_if_index, labels=[VppMplsLabel(33)])],
+ )
+ label_via_mpls.add_vpp_config()
+
+ tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "5.4.3.1")
+ rx = self.send_and_expect(self.pg0, tx, self.pg0)
+ self.verify_tunneled_4o4(self.pg0, rx, tx, self.pg0.local_ip4, "1.1.1.2")
+
+ mpls_tun_l2 = VppMPLSTunnelInterface(
+ self,
+ [
+ VppRoutePath(
+ "0.0.0.0",
+ gre_if.sw_if_index,
+ labels=[VppMplsLabel(44), VppMplsLabel(46)],
+ )
+ ],
+ is_l2=1,
+ )
+ mpls_tun_l2.add_vpp_config()
+ mpls_tun_l2.admin_up()
#
# test case cleanup
route_tun_dst.remove_vpp_config()
route_via_tun.remove_vpp_config()
route6_via_tun.remove_vpp_config()
+ label_via_mpls.remove_vpp_config()
+ label_via_tun.remove_vpp_config()
+ mpls_tun.remove_vpp_config()
+ mpls_tun_l2.remove_vpp_config()
gre_if.remove_vpp_config()
self.pg0.unconfig_ip6()
def test_gre6(self):
- """ GRE IPv6 tunnel Tests """
+ """GRE IPv6 tunnel Tests"""
self.pg1.config_ip6()
self.pg1.resolve_ndp()
# - assign an IP Address
# - Add a route via the tunnel
#
- gre_if = VppGreInterface(self,
- self.pg2.local_ip6,
- "1002::1")
+ gre_if = VppGreInterface(self, self.pg2.local_ip6, "1002::1")
gre_if.add_vpp_config()
gre_if.admin_up()
gre_if.config_ip6()
route_via_tun = VppIpRoute(
- self, "4004::1", 128,
- [VppRoutePath("0::0",
- gre_if.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ self, "4004::1", 128, [VppRoutePath("0::0", gre_if.sw_if_index)]
+ )
route_via_tun.add_vpp_config()
#
tx = self.create_stream_ip6(self.pg2, "5005::1", "4004::1")
self.send_and_assert_no_replies(
- self.pg2, tx,
- "GRE packets forwarded without DIP resolved")
+ self.pg2, tx, "GRE packets forwarded without DIP resolved"
+ )
#
# Add a route that resolves the tunnel's destination
#
route_tun_dst = VppIpRoute(
- self, "1002::1", 128,
- [VppRoutePath(self.pg2.remote_ip6,
- self.pg2.sw_if_index,
- proto=DpoProto.DPO_PROTO_IP6)],
- is_ip6=1)
+ self,
+ "1002::1",
+ 128,
+ [VppRoutePath(self.pg2.remote_ip6, self.pg2.sw_if_index)],
+ )
route_tun_dst.add_vpp_config()
#
#
tx = self.create_stream_ip6(self.pg2, "5005::1", "4004::1")
rx = self.send_and_expect(self.pg2, tx, self.pg2)
- self.verify_tunneled_6o6(self.pg2, rx, tx,
- self.pg2.local_ip6, "1002::1")
+ self.verify_tunneled_6o6(self.pg2, rx, tx, self.pg2.local_ip6, "1002::1")
#
# Test decap. decapped packets go out pg1
#
- tx = self.create_tunnel_stream_6o6(self.pg2,
- "1002::1",
- self.pg2.local_ip6,
- "2001::1",
- self.pg1.remote_ip6)
+ tx = self.create_tunnel_stream_6o6(
+ self.pg2, "1002::1", self.pg2.local_ip6, "2001::1", self.pg1.remote_ip6
+ )
rx = self.send_and_expect(self.pg2, tx, self.pg1)
#
#
# Send v4 over v6
#
- route4_via_tun = VppIpRoute(self, "1.1.1.1", 32,
- [VppRoutePath("0.0.0.0",
- gre_if.sw_if_index)])
+ route4_via_tun = VppIpRoute(
+ self, "1.1.1.1", 32, [VppRoutePath("0.0.0.0", gre_if.sw_if_index)]
+ )
route4_via_tun.add_vpp_config()
tx = self.create_stream_ip4(self.pg0, "1.1.1.2", "1.1.1.1")
rx = self.send_and_expect(self.pg0, tx, self.pg2)
- self.verify_tunneled_4o6(self.pg0, rx, tx,
- self.pg2.local_ip6, "1002::1")
+ self.verify_tunneled_4o6(self.pg0, rx, tx, self.pg2.local_ip6, "1002::1")
#
# test case cleanup
self.pg1.unconfig_ip6()
def test_gre_vrf(self):
- """ GRE tunnel VRF Tests """
+ """GRE tunnel VRF Tests"""
+
+ e = VppEnum.vl_api_tunnel_encap_decap_flags_t
#
# Create an L3 GRE tunnel whose destination is in the non-default
# - set it admin up
# - assign an IP Addres
#
- gre_if = VppGreInterface(self, self.pg1.local_ip4,
- "2.2.2.2",
- outer_fib_id=1)
+ gre_if = VppGreInterface(
+ self,
+ self.pg1.local_ip4,
+ "2.2.2.2",
+ outer_table_id=1,
+ flags=(
+ e.TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP
+ | e.TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_ECN
+ ),
+ )
+
gre_if.add_vpp_config()
gre_if.admin_up()
gre_if.config_ip4()
#
# Add a route via the tunnel - in the overlay
#
- route_via_tun = VppIpRoute(self, "9.9.9.9", 32,
- [VppRoutePath("0.0.0.0",
- gre_if.sw_if_index)])
+ route_via_tun = VppIpRoute(
+ self, "9.9.9.9", 32, [VppRoutePath("0.0.0.0", gre_if.sw_if_index)]
+ )
route_via_tun.add_vpp_config()
#
# Add a route that resolves the tunnel's destination - in the
# underlay table
#
- route_tun_dst = VppIpRoute(self, "2.2.2.2", 32, table_id=1,
- paths=[VppRoutePath(self.pg1.remote_ip4,
- self.pg1.sw_if_index)])
+ route_tun_dst = VppIpRoute(
+ self,
+ "2.2.2.2",
+ 32,
+ table_id=1,
+ paths=[VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)],
+ )
route_tun_dst.add_vpp_config()
#
# - packets are GRE encapped
#
self.vapi.cli("clear trace")
- tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "9.9.9.9")
+ tx = self.create_stream_ip4(self.pg0, "5.5.5.5", "9.9.9.9", dscp=5, ecn=3)
rx = self.send_and_expect(self.pg0, tx, self.pg1)
- self.verify_tunneled_4o4(self.pg1, rx, tx,
- self.pg1.local_ip4, "2.2.2.2")
+ self.verify_tunneled_4o4(
+ self.pg1, rx, tx, self.pg1.local_ip4, "2.2.2.2", dscp=5, ecn=3
+ )
#
# Send tunneled packets that match the created tunnel and
# does not happen in the encap table
#
self.vapi.cli("clear trace")
- tx = self.create_tunnel_stream_4o4(self.pg1,
- "2.2.2.2",
- self.pg1.local_ip4,
- self.pg0.local_ip4,
- self.pg0.remote_ip4)
+ tx = self.create_tunnel_stream_4o4(
+ self.pg1,
+ "2.2.2.2",
+ self.pg1.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ )
rx = self.send_and_expect(self.pg1, tx, self.pg0)
self.verify_decapped_4o4(self.pg0, rx, tx)
#
self.pg2.config_ip4()
self.vapi.cli("clear trace")
- tx = self.create_tunnel_stream_4o4(self.pg2,
- "2.2.2.2",
- self.pg1.local_ip4,
- self.pg0.local_ip4,
- self.pg0.remote_ip4)
+ tx = self.create_tunnel_stream_4o4(
+ self.pg2,
+ "2.2.2.2",
+ self.pg1.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ )
rx = self.send_and_assert_no_replies(
- self.pg2, tx,
- "GRE decap packets in wrong VRF")
+ self.pg2, tx, "GRE decap packets in wrong VRF"
+ )
self.pg2.unconfig_ip4()
gre_if.remove_vpp_config()
def test_gre_l2(self):
- """ GRE tunnel L2 Tests """
+ """GRE tunnel L2 Tests"""
#
# Add routes to resolve the tunnel destinations
#
- route_tun1_dst = VppIpRoute(self, "2.2.2.2", 32,
- [VppRoutePath(self.pg0.remote_ip4,
- self.pg0.sw_if_index)])
- route_tun2_dst = VppIpRoute(self, "2.2.2.3", 32,
- [VppRoutePath(self.pg0.remote_ip4,
- self.pg0.sw_if_index)])
+ route_tun1_dst = VppIpRoute(
+ self,
+ "2.2.2.2",
+ 32,
+ [VppRoutePath(self.pg0.remote_ip4, self.pg0.sw_if_index)],
+ )
+ route_tun2_dst = VppIpRoute(
+ self,
+ "2.2.2.3",
+ 32,
+ [VppRoutePath(self.pg0.remote_ip4, self.pg0.sw_if_index)],
+ )
route_tun1_dst.add_vpp_config()
route_tun2_dst.add_vpp_config()
#
# Create 2 L2 GRE tunnels and x-connect them
#
- gre_if1 = VppGreInterface(self, self.pg0.local_ip4,
- "2.2.2.2",
- type=(VppEnum.vl_api_gre_tunnel_type_t.
- GRE_API_TUNNEL_TYPE_TEB))
- gre_if2 = VppGreInterface(self, self.pg0.local_ip4,
- "2.2.2.3",
- type=(VppEnum.vl_api_gre_tunnel_type_t.
- GRE_API_TUNNEL_TYPE_TEB))
+ gre_if1 = VppGreInterface(
+ self,
+ self.pg0.local_ip4,
+ "2.2.2.2",
+ type=(VppEnum.vl_api_gre_tunnel_type_t.GRE_API_TUNNEL_TYPE_TEB),
+ )
+ gre_if2 = VppGreInterface(
+ self,
+ self.pg0.local_ip4,
+ "2.2.2.3",
+ type=(VppEnum.vl_api_gre_tunnel_type_t.GRE_API_TUNNEL_TYPE_TEB),
+ )
gre_if1.add_vpp_config()
gre_if2.add_vpp_config()
gre_if1.admin_up()
gre_if2.admin_up()
- self.vapi.sw_interface_set_l2_xconnect(gre_if1.sw_if_index,
- gre_if2.sw_if_index,
- enable=1)
- self.vapi.sw_interface_set_l2_xconnect(gre_if2.sw_if_index,
- gre_if1.sw_if_index,
- enable=1)
+ self.vapi.sw_interface_set_l2_xconnect(
+ gre_if1.sw_if_index, gre_if2.sw_if_index, enable=1
+ )
+ self.vapi.sw_interface_set_l2_xconnect(
+ gre_if2.sw_if_index, gre_if1.sw_if_index, enable=1
+ )
#
# Send in tunnel encapped L2. expect out tunnel encapped L2
# in both directions
#
- tx = self.create_tunnel_stream_l2o4(self.pg0,
- "2.2.2.2",
- self.pg0.local_ip4)
+ tx = self.create_tunnel_stream_l2o4(self.pg0, "2.2.2.2", self.pg0.local_ip4)
rx = self.send_and_expect(self.pg0, tx, self.pg0)
- self.verify_tunneled_l2o4(self.pg0, rx, tx,
- self.pg0.local_ip4,
- "2.2.2.3")
+ self.verify_tunneled_l2o4(self.pg0, rx, tx, self.pg0.local_ip4, "2.2.2.3")
- tx = self.create_tunnel_stream_l2o4(self.pg0,
- "2.2.2.3",
- self.pg0.local_ip4)
+ tx = self.create_tunnel_stream_l2o4(self.pg0, "2.2.2.3", self.pg0.local_ip4)
rx = self.send_and_expect(self.pg0, tx, self.pg0)
- self.verify_tunneled_l2o4(self.pg0, rx, tx,
- self.pg0.local_ip4,
- "2.2.2.2")
+ self.verify_tunneled_l2o4(self.pg0, rx, tx, self.pg0.local_ip4, "2.2.2.2")
- self.vapi.sw_interface_set_l2_xconnect(gre_if1.sw_if_index,
- gre_if2.sw_if_index,
- enable=0)
- self.vapi.sw_interface_set_l2_xconnect(gre_if2.sw_if_index,
- gre_if1.sw_if_index,
- enable=0)
+ self.vapi.sw_interface_set_l2_xconnect(
+ gre_if1.sw_if_index, gre_if2.sw_if_index, enable=0
+ )
+ self.vapi.sw_interface_set_l2_xconnect(
+ gre_if2.sw_if_index, gre_if1.sw_if_index, enable=0
+ )
#
# Create a VLAN sub-interfaces on the GRE TEB interfaces
gre_if_11.admin_up()
gre_if_12.admin_up()
- self.vapi.sw_interface_set_l2_xconnect(gre_if_11.sw_if_index,
- gre_if_12.sw_if_index,
- enable=1)
- self.vapi.sw_interface_set_l2_xconnect(gre_if_12.sw_if_index,
- gre_if_11.sw_if_index,
- enable=1)
+ self.vapi.sw_interface_set_l2_xconnect(
+ gre_if_11.sw_if_index, gre_if_12.sw_if_index, enable=1
+ )
+ self.vapi.sw_interface_set_l2_xconnect(
+ gre_if_12.sw_if_index, gre_if_11.sw_if_index, enable=1
+ )
#
# Configure both to pop thier respective VLAN tags,
# so that during the x-coonect they will subsequently push
#
self.vapi.l2_interface_vlan_tag_rewrite(
- sw_if_index=gre_if_12.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
- push_dot1q=12)
+ sw_if_index=gre_if_12.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1, push_dot1q=12
+ )
self.vapi.l2_interface_vlan_tag_rewrite(
- sw_if_index=gre_if_11.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1,
- push_dot1q=11)
+ sw_if_index=gre_if_11.sw_if_index, vtr_op=L2_VTR_OP.L2_POP_1, push_dot1q=11
+ )
#
# Send traffic in both directiond - expect the VLAN tags to
# be swapped.
#
- tx = self.create_tunnel_stream_vlano4(self.pg0,
- "2.2.2.2",
- self.pg0.local_ip4,
- 11)
+ tx = self.create_tunnel_stream_vlano4(
+ self.pg0, "2.2.2.2", self.pg0.local_ip4, 11
+ )
rx = self.send_and_expect(self.pg0, tx, self.pg0)
- self.verify_tunneled_vlano4(self.pg0, rx, tx,
- self.pg0.local_ip4,
- "2.2.2.3",
- 12)
-
- tx = self.create_tunnel_stream_vlano4(self.pg0,
- "2.2.2.3",
- self.pg0.local_ip4,
- 12)
+ self.verify_tunneled_vlano4(self.pg0, rx, tx, self.pg0.local_ip4, "2.2.2.3", 12)
+
+ tx = self.create_tunnel_stream_vlano4(
+ self.pg0, "2.2.2.3", self.pg0.local_ip4, 12
+ )
rx = self.send_and_expect(self.pg0, tx, self.pg0)
- self.verify_tunneled_vlano4(self.pg0, rx, tx,
- self.pg0.local_ip4,
- "2.2.2.2",
- 11)
+ self.verify_tunneled_vlano4(self.pg0, rx, tx, self.pg0.local_ip4, "2.2.2.2", 11)
#
# Cleanup Test resources
route_tun2_dst.add_vpp_config()
def test_gre_loop(self):
- """ GRE tunnel loop Tests """
+ """GRE tunnel loop Tests"""
#
# Create an L3 GRE tunnel.
# - set it admin up
# - assign an IP Addres
#
- gre_if = VppGreInterface(self,
- self.pg0.local_ip4,
- "1.1.1.2")
+ gre_if = VppGreInterface(self, self.pg0.local_ip4, "1.1.1.2")
gre_if.add_vpp_config()
gre_if.admin_up()
gre_if.config_ip4()
# through the tunnel, hence forming a loop in the forwarding
# graph
#
- route_dst = VppIpRoute(self, "1.1.1.2", 32,
- [VppRoutePath("0.0.0.0",
- gre_if.sw_if_index)])
+ route_dst = VppIpRoute(
+ self, "1.1.1.2", 32, [VppRoutePath("0.0.0.0", gre_if.sw_if_index)]
+ )
route_dst.add_vpp_config()
#
#
# break the loop
#
- route_dst.modify([VppRoutePath(self.pg1.remote_ip4,
- self.pg1.sw_if_index)])
+ route_dst.modify([VppRoutePath(self.pg1.remote_ip4, self.pg1.sw_if_index)])
route_dst.add_vpp_config()
rx = self.send_and_expect(self.pg0, tx, self.pg1)
#
# a good route throught the tunnel to check it restacked
#
- route_via_tun_2 = VppIpRoute(self, "2.2.2.2", 32,
- [VppRoutePath("0.0.0.0",
- gre_if.sw_if_index)])
+ route_via_tun_2 = VppIpRoute(
+ self, "2.2.2.2", 32, [VppRoutePath("0.0.0.0", gre_if.sw_if_index)]
+ )
route_via_tun_2.add_vpp_config()
tx = self.create_stream_ip4(self.pg0, "2.2.2.3", "2.2.2.2")
rx = self.send_and_expect(self.pg0, tx, self.pg1)
- self.verify_tunneled_4o4(self.pg1, rx, tx,
- self.pg0.local_ip4, "1.1.1.2")
+ self.verify_tunneled_4o4(self.pg1, rx, tx, self.pg0.local_ip4, "1.1.1.2")
#
# cleanup
route_via_tun_2.remove_vpp_config()
gre_if.remove_vpp_config()
+ def test_mgre(self):
+ """mGRE IPv4 tunnel Tests"""
+
+ for itf in self.pg_interfaces[3:]:
+ #
+ # one underlay nh for each overlay/tunnel peer
+ #
+ itf.generate_remote_hosts(4)
+ itf.configure_ipv4_neighbors()
+
+ #
+ # Create an L3 GRE tunnel.
+ # - set it admin up
+ # - assign an IP Addres
+ # - Add a route via the tunnel
+ #
+ gre_if = VppGreInterface(
+ self,
+ itf.local_ip4,
+ "0.0.0.0",
+ mode=(VppEnum.vl_api_tunnel_mode_t.TUNNEL_API_MODE_MP),
+ )
+ gre_if.add_vpp_config()
+ gre_if.admin_up()
+ gre_if.config_ip4()
+ gre_if.generate_remote_hosts(4)
+
+ self.logger.info(self.vapi.cli("sh adj"))
+ self.logger.info(self.vapi.cli("sh ip fib"))
+
+ #
+ # ensure we don't match to the tunnel if the source address
+ # is all zeros
+ #
+ tx = self.create_tunnel_stream_4o4(
+ self.pg0,
+ "0.0.0.0",
+ itf.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ )
+ self.send_and_assert_no_replies(self.pg0, tx)
+
+ #
+ # for-each peer
+ #
+ for ii in range(1, 4):
+ route_addr = "4.4.4.%d" % ii
+ tx_e = self.create_stream_ip4(self.pg0, "5.5.5.5", route_addr)
+
+ #
+ # route traffic via the peer
+ #
+ route_via_tun = VppIpRoute(
+ self,
+ route_addr,
+ 32,
+ [VppRoutePath(gre_if._remote_hosts[ii].ip4, gre_if.sw_if_index)],
+ )
+ route_via_tun.add_vpp_config()
+
+ # all packets dropped at this point
+ rx = self.send_and_assert_no_replies(self.pg0, tx_e)
+
+ gre_if.admin_down()
+ gre_if.admin_up()
+ rx = self.send_and_assert_no_replies(self.pg0, tx_e)
+
+ #
+ # Add a TEIB entry resolves the peer
+ #
+ teib = VppTeib(
+ self,
+ gre_if,
+ gre_if._remote_hosts[ii].ip4,
+ itf._remote_hosts[ii].ip4,
+ )
+ teib.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the tunnel
+ # - packets are GRE encapped
+ #
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_4o4(
+ self.pg0, rx, tx_e, itf.local_ip4, itf._remote_hosts[ii].ip4
+ )
+
+ tx_i = self.create_tunnel_stream_4o4(
+ self.pg0,
+ itf._remote_hosts[ii].ip4,
+ itf.local_ip4,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4,
+ )
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_4o4(self.pg0, rx, tx_i)
+
+ #
+ # delete and re-add the TEIB
+ #
+ teib.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, tx_e)
+ self.send_and_assert_no_replies(self.pg0, tx_i)
+
+ teib.add_vpp_config()
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_4o4(
+ self.pg0, rx, tx_e, itf.local_ip4, itf._remote_hosts[ii].ip4
+ )
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_4o4(self.pg0, rx, tx_i)
+
+ #
+ # bounce the interface state and try packets again
+ #
+ gre_if.admin_down()
+ gre_if.admin_up()
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_4o4(
+ self.pg0, rx, tx_e, itf.local_ip4, itf._remote_hosts[ii].ip4
+ )
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_4o4(self.pg0, rx, tx_i)
+
+ gre_if.admin_down()
+ gre_if.unconfig_ip4()
+
+ def test_mgre6(self):
+ """mGRE IPv6 tunnel Tests"""
+
+ self.pg0.config_ip6()
+ self.pg0.resolve_ndp()
+
+ e = VppEnum.vl_api_tunnel_encap_decap_flags_t
+
+ for itf in self.pg_interfaces[3:]:
+ #
+ # one underlay nh for each overlay/tunnel peer
+ #
+ itf.config_ip6()
+ itf.generate_remote_hosts(4)
+ itf.configure_ipv6_neighbors()
+
+ #
+ # Create an L3 GRE tunnel.
+ # - set it admin up
+ # - assign an IP Addres
+ # - Add a route via the tunnel
+ #
+ gre_if = VppGreInterface(
+ self,
+ itf.local_ip6,
+ "::",
+ mode=(VppEnum.vl_api_tunnel_mode_t.TUNNEL_API_MODE_MP),
+ flags=e.TUNNEL_API_ENCAP_DECAP_FLAG_ENCAP_COPY_DSCP,
+ )
+
+ gre_if.add_vpp_config()
+ gre_if.admin_up()
+ gre_if.config_ip6()
+ gre_if.generate_remote_hosts(4)
+
+ #
+ # for-each peer
+ #
+ for ii in range(1, 4):
+ route_addr = "4::%d" % ii
+
+ #
+ # Add a TEIB entry resolves the peer
+ #
+ teib = VppTeib(
+ self,
+ gre_if,
+ gre_if._remote_hosts[ii].ip6,
+ itf._remote_hosts[ii].ip6,
+ )
+ teib.add_vpp_config()
+
+ #
+ # route traffic via the peer
+ #
+ route_via_tun = VppIpRoute(
+ self,
+ route_addr,
+ 128,
+ [VppRoutePath(gre_if._remote_hosts[ii].ip6, gre_if.sw_if_index)],
+ )
+ route_via_tun.add_vpp_config()
+
+ #
+ # Send a packet stream that is routed into the tunnel
+ # - packets are GRE encapped
+ #
+ tx_e = self.create_stream_ip6(
+ self.pg0, "5::5", route_addr, dscp=2, ecn=1
+ )
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_6o6(
+ self.pg0, rx, tx_e, itf.local_ip6, itf._remote_hosts[ii].ip6, dscp=2
+ )
+ tx_i = self.create_tunnel_stream_6o6(
+ self.pg0,
+ itf._remote_hosts[ii].ip6,
+ itf.local_ip6,
+ self.pg0.local_ip6,
+ self.pg0.remote_ip6,
+ )
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_6o6(self.pg0, rx, tx_i)
+
+ #
+ # delete and re-add the TEIB
+ #
+ teib.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, tx_e)
+
+ teib.add_vpp_config()
+ rx = self.send_and_expect(self.pg0, tx_e, itf)
+ self.verify_tunneled_6o6(
+ self.pg0, rx, tx_e, itf.local_ip6, itf._remote_hosts[ii].ip6, dscp=2
+ )
+ rx = self.send_and_expect(self.pg0, tx_i, self.pg0)
+ self.verify_decapped_6o6(self.pg0, rx, tx_i)
+
+ gre_if.admin_down()
+ gre_if.unconfig_ip4()
+ itf.unconfig_ip6()
+ self.pg0.unconfig_ip6()
+
-if __name__ == '__main__':
+if __name__ == "__main__":
unittest.main(testRunner=VppTestRunner)
Code Review / vpp.git / blobdiff