import unittest
import socket
+from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
from vpp_ip import DpoProto, INVALID_INDEX
from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute, \
VppMplsIpBind, VppIpMRoute, VppMRoutePath, \
- MRouteItfFlags, MRouteEntryFlags, VppIpTable, VppMplsTable, \
+ VppIpTable, VppMplsTable, \
VppMplsLabel, MplsLspMode, find_mpls_route, \
FibPathProto, FibPathType, FibPathFlags, VppMplsLabel, MplsLspMode
from vpp_mpls_tunnel_interface import VppMPLSTunnelInterface
+from vpp_papi import VppEnum
import scapy.compat
from scapy.packet import Raw
-from scapy.layers.l2 import Ether
+from scapy.layers.l2 import Ether, ARP
from scapy.layers.inet import IP, UDP, ICMP
from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded
from scapy.contrib.mpls import MPLS
NUM_PKTS = 67
+# scapy removed these attributes.
+# we asked that they be restored: https://github.com/secdev/scapy/pull/1878
+# semantic names have more meaning than numbers. so here they are.
+ARP.who_has = 1
+ARP.is_at = 2
+
def verify_filter(capture, sent):
if not len(capture) == len(sent):
rx_mpls = rx_mpls[MPLS].payload
+@tag_fixme_vpp_workers
class TestMPLS(VppTestCase):
""" MPLS Test Case """
for i in self.pg_interfaces:
i.unconfig_ip4()
i.unconfig_ip6()
- i.ip6_disable()
i.set_table_ip4(0)
i.set_table_ip6(0)
i.disable_mpls()
pkts.append(p)
return pkts
- def create_stream_ip4(self, src_if, dst_ip, ip_ttl=64, ip_dscp=0):
+ def create_stream_ip4(self, src_if, dst_ip, ip_ttl=64,
+ ip_dscp=0, payload_size=None):
self.reset_packet_infos()
pkts = []
for i in range(0, 257):
UDP(sport=1234, dport=1234) /
Raw(payload))
info.data = p.copy()
+ if payload_size:
+ self.extend_packet(p, payload_size)
pkts.append(p)
return pkts
""" MPLS Tunnel Tests - Pipe """
#
- # Create a tunnel with a single out label
+ # Create a tunnel with two out labels
#
mpls_tun = VppMPLSTunnelInterface(
self,
VppMplsLabel(46),
VppMplsLabel(33, ttl=255)])
+ #
+ # change tunnel's MTU to a low value
+ #
+ mpls_tun.set_l3_mtu(1200)
+
+ # send IP into the tunnel to be fragmented
+ tx = self.create_stream_ip4(self.pg0, "10.0.0.3",
+ payload_size=1500)
+ rx = self.send_and_expect(self.pg0, tx, self.pg0, len(tx)*2)
+
+ fake_tx = []
+ for p in tx:
+ fake_tx.append(p)
+ fake_tx.append(p)
+ self.verify_capture_tunneled_ip4(self.pg0, rx, fake_tx,
+ [VppMplsLabel(44),
+ VppMplsLabel(46)])
+
+ # send MPLS into the tunnel to be fragmented
+ tx = self.create_stream_ip4(self.pg0, "10.0.0.4",
+ payload_size=1500)
+ rx = self.send_and_expect(self.pg0, tx, self.pg0, len(tx)*2)
+
+ fake_tx = []
+ for p in tx:
+ fake_tx.append(p)
+ fake_tx.append(p)
+ self.verify_capture_tunneled_ip4(self.pg0, rx, fake_tx,
+ [VppMplsLabel(44),
+ VppMplsLabel(46),
+ VppMplsLabel(33, ttl=255)])
+
def test_tunnel_uniform(self):
""" MPLS Tunnel Tests - Uniform """
def test_mcast_head(self):
""" MPLS Multicast Head-end """
+ MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
+ MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
+
#
# Create a multicast tunnel with two replications
#
self,
"0.0.0.0",
"232.1.1.1", 32,
- MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
[VppMRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT),
VppMRoutePath(mpls_tun._sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
route_232_1_1_1.add_vpp_config()
self.logger.info(self.vapi.cli("sh ip mfib index 0"))
def test_mcast_ip4_tail(self):
""" MPLS IPv4 Multicast Tail """
+ MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
+ MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
+
#
# Add a multicast route that will forward the traffic
# post-disposition
self,
"0.0.0.0",
"232.1.1.1", 32,
- MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
table_id=1,
paths=[VppMRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
route_232_1_1_1.add_vpp_config()
#
def test_mcast_ip6_tail(self):
""" MPLS IPv6 Multicast Tail """
+ MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
+ MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
+
#
# Add a multicast route that will forward the traffic
# post-disposition
self,
"::",
"ff01::1", 32,
- MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
table_id=1,
paths=[VppMRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)])
route_ff.add_vpp_config()
MPLS(label=32, ttl=64) /
IPv6(src="2001::1", dst=self.pg0.remote_ip6) /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
#
# A simple MPLS xconnect - eos label in label out
src=self.pg2.remote_mac) /
IP(src=self.pg2.remote_ip4, dst=dst) /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
#
# Send the packet stream (one pkt to each VPN route)
MPLS(label=local_label, ttl=64) /
IP(src=self.pg0.remote_ip4, dst=dst) /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
#
# Send the packet stream (one pkt to each VPN route)
MPLS(label=local_label, ttl=64) /
IPv6(src=self.pg0.remote_ip6, dst=dst) /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
self.logger.info(self.vapi.cli("sh ip6 fib %s" % dst))
self.pg0.add_stream(pkts)
#
# put the connected routes back
#
+ self.logger.info(self.vapi.cli("sh log"))
self.pg2.admin_up()
self.pg2.config_ip6()
self.pg2.resolve_ndp()
tbl.add_vpp_config()
self.tables.append(tbl)
- # use pg0 as the core facing interface
+ # use pg0 as the core facing interface, don't resolve ARP
self.pg0.admin_up()
self.pg0.config_ip4()
- self.pg0.resolve_arp()
self.pg0.enable_mpls()
# use the other 2 for customer facing L2 links
self.assertEqual(rx_eth.src, tx_eth.src)
self.assertEqual(rx_eth.dst, tx_eth.dst)
+ def verify_arp_req(self, rx, smac, sip, dip):
+ ether = rx[Ether]
+ self.assertEqual(ether.dst, "ff:ff:ff:ff:ff:ff")
+ self.assertEqual(ether.src, smac)
+
+ arp = rx[ARP]
+ self.assertEqual(arp.hwtype, 1)
+ self.assertEqual(arp.ptype, 0x800)
+ self.assertEqual(arp.hwlen, 6)
+ self.assertEqual(arp.plen, 4)
+ self.assertEqual(arp.op, ARP.who_has)
+ self.assertEqual(arp.hwsrc, smac)
+ self.assertEqual(arp.hwdst, "00:00:00:00:00:00")
+ self.assertEqual(arp.psrc, sip)
+ self.assertEqual(arp.pdst, dip)
+
def test_vpws(self):
""" Virtual Private Wire Service """
src="00:00:de:ad:be:ef") /
IP(src="10.10.10.10", dst="11.11.11.11") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
tx0 = pcore * NUM_PKTS
rx0 = self.send_and_expect(self.pg0, tx0, self.pg1)
#
# Inject a packet from the customer/L2 side
+ # there's no resolved ARP entry so the first packet we see should be
+ # an ARP request
#
+ tx1 = pcore[MPLS].payload
+ rx1 = self.send_and_expect(self.pg1, [tx1], self.pg0)
+
+ self.verify_arp_req(rx1[0],
+ self.pg0.local_mac,
+ self.pg0.local_ip4,
+ self.pg0.remote_ip4)
+
+ #
+ # resolve the ARP entries and send again
+ #
+ self.pg0.resolve_arp()
tx1 = pcore[MPLS].payload * NUM_PKTS
rx1 = self.send_and_expect(self.pg1, tx1, self.pg0)
def test_vpls(self):
""" Virtual Private LAN Service """
+
+ # we skipped this in the setup
+ self.pg0.resolve_arp()
+
#
# Create a L2 MPLS tunnels
#
src="00:00:de:ad:be:ef") /
IP(src="10.10.10.10", dst="11.11.11.11") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
p_cust2 = (Ether(dst="00:00:de:ad:ba:b2",
src="00:00:de:ad:be:ef") /
IP(src="10.10.10.10", dst="11.11.11.12") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
p_core1 = (Ether(dst=self.pg0.local_mac,
src=self.pg0.remote_mac) /
MPLS(label=55, ttl=64) /
dst="00:00:de:ad:be:ef") /
IP(dst="10.10.10.10", src="11.11.11.11") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
p_core2 = (Ether(dst=self.pg0.local_mac,
src=self.pg0.remote_mac) /
MPLS(label=56, ttl=64) /
- Raw('\x01' * 4) / # PW CW
+ Raw(b'\x01' * 4) / # PW CW
Ether(src="00:00:de:ad:ba:b2",
dst="00:00:de:ad:be:ef") /
IP(dst="10.10.10.10", src="11.11.11.12") /
UDP(sport=1234, dport=1234) /
- Raw('\xa5' * 100))
+ Raw(b'\xa5' * 100))
#
# The BD is learning, so send in one of each packet to learn
Code Review / vpp.git / blobdiff