from framework import VppTestCase, VppTestRunner
from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint
-from vpp_ip_route import IpMRoute, MRoutePath, MFibSignal
+from vpp_ip_route import VppIpMRoute, VppMRoutePath, VppMFibSignal, \
+ MRouteItfFlags, MRouteEntryFlags
from scapy.packet import Raw
from scapy.layers.l2 import Ether
-from scapy.layers.inet import IP, UDP, getmacbyip
+from scapy.layers.inet import IP, UDP, getmacbyip, ICMP
from scapy.layers.inet6 import IPv6, getmacbyip6
from util import ppp
+#
+# The number of packets sent is set to 90 so that when we replicate more than 3
+# times, which we do for some entries, we will generate more than 256 packets
+# to the next node in the VLIB graph. Thus we are testing the code's
+# correctness handling this over-flow
+#
+N_PKTS_IN_STREAM = 90
-class MRouteItfFlags:
- MFIB_ITF_FLAG_NONE = 0
- MFIB_ITF_FLAG_NEGATE_SIGNAL = 1
- MFIB_ITF_FLAG_ACCEPT = 2
- MFIB_ITF_FLAG_FORWARD = 4
- MFIB_ITF_FLAG_SIGNAL_PRESENT = 8
- MFIB_ITF_FLAG_INTERNAL_COPY = 16
+class TestMFIB(VppTestCase):
+ """ MFIB Test Case """
-class MRouteEntryFlags:
- MFIB_ENTRY_FLAG_NONE = 0
- MFIB_ENTRY_FLAG_SIGNAL = 1
- MFIB_ENTRY_FLAG_DROP = 2
- MFIB_ENTRY_FLAG_CONNECTED = 4
- MFIB_ENTRY_FLAG_INHERIT_ACCEPT = 8
+ def setUp(self):
+ super(TestMFIB, self).setUp()
+
+ def test_mfib(self):
+ """ MFIB Unit Tests """
+ error = self.vapi.cli("test mfib")
+
+ if error:
+ self.logger.critical(error)
+ self.assertEqual(error.find("Failed"), -1)
class TestIPMcast(VppTestCase):
def setUp(self):
super(TestIPMcast, self).setUp()
- # create 4 pg interfaces
- self.create_pg_interfaces(range(4))
+ # create 8 pg interfaces
+ self.create_pg_interfaces(range(8))
# setup interfaces
for i in self.pg_interfaces:
i.resolve_arp()
i.resolve_ndp()
- def create_stream_ip4(self, src_if, src_ip, dst_ip):
+ def create_stream_ip4(self, src_if, src_ip, dst_ip, payload_size=0):
pkts = []
- for i in range(0, 65):
- 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))
- info.data = p.copy()
+ # default to small packet sizes
+ p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IP(src=src_ip, dst=dst_ip) /
+ UDP(sport=1234, dport=1234))
+ if not payload_size:
+ payload_size = 64 - len(p)
+ p = p / Raw('\xa5' * payload_size)
+
+ for i in range(0, N_PKTS_IN_STREAM):
pkts.append(p)
return pkts
def create_stream_ip6(self, src_if, src_ip, dst_ip):
pkts = []
- for i in range(0, 65):
+ for i in range(0, N_PKTS_IN_STREAM):
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) /
return capture
def verify_capture_ip4(self, src_if, sent):
- rxd = self.pg1.get_capture(65)
+ rxd = self.pg1.get_capture(N_PKTS_IN_STREAM)
try:
capture = self.verify_filter(rxd, sent)
raise
def verify_capture_ip6(self, src_if, sent):
- capture = self.pg1.get_capture(65)
+ capture = self.pg1.get_capture(N_PKTS_IN_STREAM)
self.assertEqual(len(capture), len(sent))
#
# A (*,G).
- # one accepting interface, pg0, 3 forwarding interfaces
+ # one accepting interface, pg0, 7 forwarding interfaces
+ # many forwarding interfaces test the case where the replicare DPO
+ # needs to use extra cache lines for the buckets.
#
- route_232_1_1_1 = IpMRoute(
+ route_232_1_1_1 = VppIpMRoute(
self,
"0.0.0.0",
"232.1.1.1", 32,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
- MRoutePath(self.pg2.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
- MRoutePath(self.pg3.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ [VppMRoutePath(self.pg0.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),
+ VppMRoutePath(self.pg3.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
+ VppMRoutePath(self.pg4.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
+ VppMRoutePath(self.pg5.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
+ VppMRoutePath(self.pg6.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
+ VppMRoutePath(self.pg7.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
route_232_1_1_1.add_vpp_config()
#
# An (S,G).
# one accepting interface, pg0, 2 forwarding interfaces
#
- route_1_1_1_1_232_1_1_1 = IpMRoute(
+ 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,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
- MRoutePath(self.pg2.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ [VppMRoutePath(self.pg0.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)])
route_1_1_1_1_232_1_1_1.add_vpp_config()
#
# An (*,G/m).
# one accepting interface, pg0, 1 forwarding interfaces
#
- route_232 = IpMRoute(
+ route_232 = VppIpMRoute(
self,
"0.0.0.0",
"232.0.0.0", 8,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ [VppMRoutePath(self.pg0.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
route_232.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.pg0, "1.1.1.1", "232.1.1.1")
self.pg_enable_capture(self.pg_interfaces)
self.pg_start()
- # We expect replications on Pg1, 2,
+ # 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(
+ remark="IP multicast packets forwarded on PG0")
+ self.pg3.assert_nothing_captured(
+ remark="IP multicast packets forwarded on PG3")
+
+ #
+ # a stream that matches the route for (1.1.1.1,232.1.1.1)
+ # large packets
+ #
+ self.vapi.cli("clear trace")
+ tx = self.create_stream_ip4(self.pg0, "1.1.1.1", "232.1.1.1",
+ payload_size=1024)
+ self.pg0.add_stream(tx)
+
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ # 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(
# A (*,G).
# one accepting interface, pg0, 3 forwarding interfaces
#
- route_ff01_1 = IpMRoute(
+ route_ff01_1 = VppIpMRoute(
self,
"::",
"ff01::1", 128,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
- MRoutePath(self.pg2.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
- MRoutePath(self.pg3.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
+ [VppMRoutePath(self.pg0.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),
+ VppMRoutePath(self.pg3.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
is_ip6=1)
route_ff01_1.add_vpp_config()
# An (S,G).
# one accepting interface, pg0, 2 forwarding interfaces
#
- route_2001_ff01_1 = IpMRoute(
+ route_2001_ff01_1 = VppIpMRoute(
self,
"2001::1",
"ff01::1", 256,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD),
- MRoutePath(self.pg2.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
+ [VppMRoutePath(self.pg0.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)],
is_ip6=1)
route_2001_ff01_1.add_vpp_config()
# An (*,G/m).
# one accepting interface, pg0, 1 forwarding interface
#
- route_ff01 = IpMRoute(
+ route_ff01 = VppIpMRoute(
self,
"::",
"ff01::", 16,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
+ [VppMRoutePath(self.pg0.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)],
is_ip6=1)
route_ff01.add_vpp_config()
# A (*,G).
# one accepting interface, pg0, 1 forwarding interfaces
#
- route_232_1_1_1 = IpMRoute(
+ route_232_1_1_1 = VppIpMRoute(
self,
"0.0.0.0",
"232.1.1.1", 32,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ [VppMRoutePath(self.pg0.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
route_232_1_1_1.add_vpp_config()
route_232_1_1_1.update_entry_flags(
#
# Constrct a representation of the signal we expect on pg0
#
- signal_232_1_1_1_itf_0 = MFibSignal(self,
- route_232_1_1_1,
- self.pg0.sw_if_index,
- tx[0])
+ signal_232_1_1_1_itf_0 = VppMFibSignal(self,
+ route_232_1_1_1,
+ self.pg0.sw_if_index,
+ tx[0])
#
# read the only expected signal
# A Second entry with connected check
# one accepting interface, pg0, 1 forwarding interfaces
#
- route_232_1_1_2 = IpMRoute(
+ route_232_1_1_2 = VppIpMRoute(
self,
"0.0.0.0",
"232.1.1.2", 32,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ [VppMRoutePath(self.pg0.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
route_232_1_1_2.add_vpp_config()
route_232_1_1_2.update_entry_flags(
#
# Send traffic to both entries. One read should net us two signals
#
- signal_232_1_1_2_itf_0 = MFibSignal(self,
- route_232_1_1_2,
- self.pg0.sw_if_index,
- tx[0])
+ signal_232_1_1_2_itf_0 = VppMFibSignal(self,
+ route_232_1_1_2,
+ self.pg0.sw_if_index,
+ tx[0])
tx = self._mcast_connected_send_stream("232.1.1.1")
tx2 = self._mcast_connected_send_stream("232.1.1.2")
# A (*,G).
# one accepting interface, pg0, 1 forwarding interfaces
#
- route_232_1_1_1 = IpMRoute(
+ route_232_1_1_1 = VppIpMRoute(
self,
"0.0.0.0",
"232.1.1.1", 32,
MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE,
- [MRoutePath(self.pg0.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
- MRoutePath(self.pg1.sw_if_index,
- MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
+ [VppMRoutePath(self.pg0.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT),
+ VppMRoutePath(self.pg1.sw_if_index,
+ MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)])
route_232_1_1_1.add_vpp_config()
route_232_1_1_1.update_entry_flags(
#
# Constrct a representation of the signal we expect on pg0
#
- signal_232_1_1_1_itf_0 = MFibSignal(self,
- route_232_1_1_1,
- self.pg0.sw_if_index,
- tx[0])
+ signal_232_1_1_1_itf_0 = VppMFibSignal(self,
+ route_232_1_1_1,
+ self.pg0.sw_if_index,
+ tx[0])
#
# read the only expected signal
Code Review / vpp.git / blobdiff