from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
from vpp_ip_route import VppIpMRoute, VppMRoutePath, VppMFibSignal, \
- MRouteItfFlags, MRouteEntryFlags
+ MRouteItfFlags, MRouteEntryFlags, VppIpTable
from scapy.packet import Raw
from scapy.layers.l2 import Ether
super(TestIPMcast, self).setUp()
# create 8 pg interfaces
- self.create_pg_interfaces(range(8))
+ self.create_pg_interfaces(range(9))
# setup interfaces
- for i in self.pg_interfaces:
+ for i in self.pg_interfaces[:8]:
i.admin_up()
i.config_ip4()
i.config_ip6()
i.resolve_arp()
i.resolve_ndp()
+ # one more in a vrf
+ tbl4 = VppIpTable(self, 10)
+ tbl4.add_vpp_config()
+ self.pg8.set_table_ip4(10)
+ self.pg8.config_ip4()
+
+ tbl6 = VppIpTable(self, 10, is_ip6=1)
+ tbl6.add_vpp_config()
+ self.pg8.set_table_ip6(10)
+ self.pg8.config_ip6()
+
+ def tearDown(self):
+ for i in self.pg_interfaces:
+ i.unconfig_ip4()
+ i.unconfig_ip6()
+ i.admin_down()
+
+ self.pg8.set_table_ip4(0)
+ self.pg8.set_table_ip6(0)
+ super(TestIPMcast, self).tearDown()
+
def create_stream_ip4(self, src_if, src_ip, dst_ip, payload_size=0):
pkts = []
# default to small packet sizes
capture.remove(p)
return capture
- def verify_capture_ip4(self, src_if, sent):
- rxd = self.pg1.get_capture(N_PKTS_IN_STREAM)
+ def verify_capture_ip4(self, rx_if, sent):
+ rxd = rx_if.get_capture(len(sent))
try:
capture = self.verify_filter(rxd, sent)
tx = sent[i]
rx = capture[i]
- # the rx'd packet has the MPLS label popped
eth = rx[Ether]
self.assertEqual(eth.type, 0x800)
except:
raise
- def verify_capture_ip6(self, src_if, sent):
- capture = self.pg1.get_capture(N_PKTS_IN_STREAM)
+ def verify_capture_ip6(self, rx_if, sent):
+ capture = rx_if.get_capture(len(sent))
self.assertEqual(len(capture), len(sent))
tx = sent[i]
rx = capture[i]
- # the rx'd packet has the MPLS label popped
eth = rx[Ether]
self.assertEqual(eth.type, 0x86DD)
# We expect replications on Pg1->7
self.verify_capture_ip4(self.pg1, tx)
self.verify_capture_ip4(self.pg2, tx)
- self.verify_capture_ip4(self.pg3, tx)
- self.verify_capture_ip4(self.pg4, tx)
- self.verify_capture_ip4(self.pg5, tx)
- self.verify_capture_ip4(self.pg6, tx)
- self.verify_capture_ip4(self.pg7, tx)
# no replications on Pg0
self.pg0.assert_nothing_captured(
# We expect replications on Pg1->7
self.verify_capture_ip4(self.pg1, tx)
self.verify_capture_ip4(self.pg2, tx)
- self.verify_capture_ip4(self.pg3, tx)
- self.verify_capture_ip4(self.pg4, tx)
- self.verify_capture_ip4(self.pg5, tx)
- self.verify_capture_ip4(self.pg6, tx)
- self.verify_capture_ip4(self.pg7, tx)
# no replications on Pg0
self.pg0.assert_nothing_captured(
self.verify_capture_ip4(self.pg1, tx)
self.verify_capture_ip4(self.pg2, tx)
self.verify_capture_ip4(self.pg3, tx)
-
- # no replications on Pg0
- self.pg0.assert_nothing_captured(
- remark="IP multicast packets forwarded on PG0")
+ self.verify_capture_ip4(self.pg4, tx)
+ self.verify_capture_ip4(self.pg5, tx)
+ self.verify_capture_ip4(self.pg6, tx)
+ self.verify_capture_ip4(self.pg7, tx)
route_232_1_1_1.remove_vpp_config()
route_1_1_1_1_232_1_1_1.remove_vpp_config()
self.pg3.assert_nothing_captured(
remark="IP multicast packets forwarded on PG3")
+ #
+ # Bounce the interface and it should still work
+ #
+ self.pg1.admin_down()
+ self.pg0.add_stream(tx)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.pg1.assert_nothing_captured(
+ remark="IP multicast packets forwarded on down PG1")
+
+ self.pg1.admin_up()
+ self.pg0.add_stream(tx)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+ self.verify_capture_ip6(self.pg1, tx)
+
#
# a stream that matches the route for (*,ff01::1)
#
(MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT |
MRouteItfFlags.MFIB_ITF_FLAG_NEGATE_SIGNAL))
+ self.vapi.cli("clear trace")
tx = self._mcast_connected_send_stream("232.1.1.1")
signals = self.vapi.mfib_signal_dump()
#
route_232_1_1_1.remove_vpp_config()
+ def test_ip_mcast_vrf(self):
+ """ IP Multicast Replication in non-default table"""
+
+ #
+ # An (S,G).
+ # one accepting interface, pg0, 2 forwarding interfaces
+ #
+ route_1_1_1_1_232_1_1_1 = VppIpMRoute(
+ self,
+ "1.1.1.1",
+ "232.1.1.1", 64,
+ MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ [VppMRoutePath(self.pg8.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
+ VppMRoutePath(self.pg2.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
+ table_id=10)
+ route_1_1_1_1_232_1_1_1.add_vpp_config()
+
+ #
+ # a stream that matches the route for (1.1.1.1,232.1.1.1)
+ # small packets
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_stream_ip4(self.pg8, "1.1.1.1", "232.1.1.1")
+ self.pg8.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # We expect replications on Pg1 & 2
+ self.verify_capture_ip4(self.pg1, tx)
+ self.verify_capture_ip4(self.pg2, tx)
+
+ def test_ip6_mcast_vrf(self):
+ """ IPv6 Multicast Replication in non-default table"""
+
+ #
+ # An (S,G).
+ # one accepting interface, pg0, 2 forwarding interfaces
+ #
+ route_2001_ff01_1 = VppIpMRoute(
+ self,
+ "2001::1",
+ "ff01::1", 256,
+ MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
+ [VppMRoutePath(self.pg8.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
+ VppMRoutePath(self.pg2.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
+ table_id=10,
+ is_ip6=1)
+ route_2001_ff01_1.add_vpp_config()
+
+ #
+ # a stream that matches the route for (2001::1, ff00::1)
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_stream_ip6(self.pg8, "2001::1", "ff01::1")
+ self.pg8.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # We expect replications on Pg1, 2,
+ self.verify_capture_ip6(self.pg1, tx)
+ self.verify_capture_ip6(self.pg2, tx)
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)