import unittest
+from framework import tag_fixme_vpp_workers
from framework import VppTestCase, VppTestRunner
from vpp_ip import DpoProto
from vpp_ip_route import VppIpMRoute, VppMRoutePath, VppMFibSignal, \
- VppIpTable, FibPathProto
+ VppIpTable, FibPathProto, FibPathType
from vpp_gre_interface import VppGreInterface
from vpp_papi import VppEnum
from scapy.packet import Raw
from scapy.layers.l2 import Ether, GRE
-from scapy.layers.inet import IP, UDP, getmacbyip
+from scapy.layers.inet import IP, UDP, getmacbyip, ICMP
from scapy.layers.inet6 import IPv6, getmacbyip6
#
self.assertNotIn("Failed", error)
+@tag_fixme_vpp_workers
class TestIPMcast(VppTestCase):
""" IP Multicast Test Case """
self.pg0.assert_nothing_captured(
remark="IP multicast packets forwarded on default route")
+ count = self.statistics.get_err_counter(
+ "/err/ip4-input/Multicast RPF check failed")
+ self.assertEqual(count, len(tx))
#
# A (*,G).
self.vapi.cli("clear trace")
tx = self.create_stream_ip6(self.pg1, "2002::1", "ff01:2::255")
self.send_and_assert_no_replies(self.pg1, tx, "RPF miss")
+ count = self.statistics.get_err_counter(
+ "/err/ip6-input/Multicast RPF check failed")
+ self.assertEqual(count, 2 * len(tx))
#
# a stream that matches the route for (*, ff01::/16)
self.verify_capture_ip4(self.pg1, tx)
self.verify_capture_ip4(self.pg2, tx)
+ #
+ # An (S,G). for for-us
+ #
+ route_0_0_0_0_224_0_0_5 = VppIpMRoute(
+ self,
+ "0.0.0.0",
+ "224.0.0.5", 32,
+ MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
+ [VppMRoutePath(self.pg8.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT),
+ VppMRoutePath(0xffffffff,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD,
+ type=FibPathType.FIB_PATH_TYPE_LOCAL)],
+ table_id=10)
+ route_0_0_0_0_224_0_0_5.add_vpp_config()
+
+ #
+ # a stream that matches the route for (0.0.0.0, 224.0.0.5)
+ # small packets
+ #
+ self.vapi.cli("clear trace")
+ self.pg8.resolve_arp()
+
+ #
+ # send a ping to mcast address from peer on pg8
+ # expect a response
+ #
+ icmp_id = 0xb
+ icmp_seq = 5
+ icmp_load = b'\x0a' * 18
+ tx = (Ether(dst=getmacbyip("224.0.0.5"), src=self.pg8.remote_mac) /
+ IP(src=self.pg8.remote_ip4, dst="224.0.0.5") /
+ ICMP(id=icmp_id, seq=icmp_seq) /
+ Raw(load=icmp_load)) * 2
+
+ self.send_and_expect(self.pg8, tx, self.pg8)
+
def test_ip_mcast_gre(self):
""" IP Multicast Replication over GRE"""
self.assertEqual(rx[IP].dst, gre_if_3.t_dst)
self.assert_packet_checksums_valid(rx)
+ def test_ip6_mcast_gre(self):
+ """ IP6 Multicast Replication over GRE"""
+
+ MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t
+ MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t
+
+ gre_if_1 = VppGreInterface(
+ self,
+ self.pg1.local_ip4,
+ self.pg1.remote_ip4).add_vpp_config()
+ gre_if_2 = VppGreInterface(
+ self,
+ self.pg2.local_ip4,
+ self.pg2.remote_ip4).add_vpp_config()
+ gre_if_3 = VppGreInterface(
+ self,
+ self.pg3.local_ip4,
+ self.pg3.remote_ip4).add_vpp_config()
+
+ gre_if_1.admin_up()
+ gre_if_1.config_ip6()
+ gre_if_2.admin_up()
+ gre_if_2.config_ip6()
+ gre_if_3.admin_up()
+ gre_if_3.config_ip6()
+
+ #
+ # An (S,G).
+ # one accepting interface, pg0, 2 forwarding interfaces
+ #
+ route_1_1_FF_1 = VppIpMRoute(
+ self,
+ "1::1",
+ "FF00::1", 256,
+ MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE,
+ [VppMRoutePath(gre_if_1.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT),
+ VppMRoutePath(gre_if_2.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD),
+ VppMRoutePath(gre_if_3.sw_if_index,
+ MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)])
+ route_1_1_FF_1.add_vpp_config()
+
+ #
+ # a stream that matches the route for (1::1, FF::1)
+ # small packets
+ #
+ tx = (Ether(dst=self.pg1.local_mac,
+ src=self.pg1.remote_mac) /
+ IP(src=self.pg1.remote_ip4,
+ dst=self.pg1.local_ip4) /
+ GRE() /
+ IPv6(src="1::1", dst="FF00::1") /
+ UDP(sport=1234, dport=1234) /
+ Raw(b'\a5' * 64)) * 63
+
+ self.vapi.cli("clear trace")
+ self.pg1.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # We expect replications on Pg2 & 3
+ # check the encap headers are as expected based on the egress tunnel
+ rxs = self.pg2.get_capture(len(tx))
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, gre_if_2.t_src)
+ self.assertEqual(rx[IP].dst, gre_if_2.t_dst)
+ self.assert_packet_checksums_valid(rx)
+
+ rxs = self.pg3.get_capture(len(tx))
+ for rx in rxs:
+ self.assertEqual(rx[IP].src, gre_if_3.t_src)
+ self.assertEqual(rx[IP].dst, gre_if_3.t_dst)
+ self.assert_packet_checksums_valid(rx)
+
def test_ip6_mcast_vrf(self):
""" IPv6 Multicast Replication in non-default table"""
Code Review / vpp.git / blobdiff