X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=test%2Ftest_ip_mcast.py;h=b753f9a335423992e2cf76f87f550913cfe5eadf;hb=097fa66b986f06281f603767d321ab13ab6c88c3;hp=b4554c67f42f5621db8aa32217699238d2adf388;hpb=ce111d2ee3bacec2a09d8f5b664dcfafa0dd50c7;p=vpp.git diff --git a/test/test_ip_mcast.py b/test/test_ip_mcast.py index b4554c67f42..b753f9a3354 100644 --- a/test/test_ip_mcast.py +++ b/test/test_ip_mcast.py @@ -3,15 +3,14 @@ import unittest from framework import VppTestCase, VppTestRunner -from vpp_sub_interface import VppSubInterface, VppDot1QSubint, VppDot1ADSubint +from vpp_ip import DpoProto from vpp_ip_route import VppIpMRoute, VppMRoutePath, VppMFibSignal, \ - MRouteItfFlags, MRouteEntryFlags, VppIpTable, DpoProto + MRouteItfFlags, MRouteEntryFlags, VppIpTable, FibPathProto from scapy.packet import Raw from scapy.layers.l2 import Ether -from scapy.layers.inet import IP, UDP, getmacbyip, ICMP +from scapy.layers.inet import IP, UDP, getmacbyip from scapy.layers.inet6 import IPv6, getmacbyip6 -from util import ppp # # The number of packets sent is set to 91 so that when we replicate more than 3 @@ -26,6 +25,14 @@ N_PKTS_IN_STREAM = 91 class TestMFIB(VppTestCase): """ MFIB Test Case """ + @classmethod + def setUpClass(cls): + super(TestMFIB, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestMFIB, cls).tearDownClass() + def setUp(self): super(TestMFIB, self).setUp() @@ -35,12 +42,20 @@ class TestMFIB(VppTestCase): if error: self.logger.critical(error) - self.assertEqual(error.find("Failed"), -1) + self.assertNotIn("Failed", error) class TestIPMcast(VppTestCase): """ IP Multicast Test Case """ + @classmethod + def setUpClass(cls): + super(TestIPMcast, cls).setUpClass() + + @classmethod + def tearDownClass(cls): + super(TestIPMcast, cls).tearDownClass() + def setUp(self): super(TestIPMcast, self).setUp() @@ -105,13 +120,13 @@ class TestIPMcast(VppTestCase): def verify_filter(self, capture, sent): if not len(capture) == len(sent): - # filter out any IPv6 RAs from the captur + # filter out any IPv6 RAs from the capture for p in capture: if (p.haslayer(IPv6)): capture.remove(p) return capture - def verify_capture_ip4(self, rx_if, sent): + def verify_capture_ip4(self, rx_if, sent, dst_mac=None): rxd = rx_if.get_capture(len(sent)) try: @@ -129,8 +144,11 @@ class TestIPMcast(VppTestCase): tx_ip = tx[IP] rx_ip = rx[IP] + if dst_mac is None: + dst_mac = getmacbyip(rx_ip.dst) + # check the MAC address on the RX'd packet is correctly formed - self.assertEqual(eth.dst, getmacbyip(rx_ip.dst)) + self.assertEqual(eth.dst, dst_mac) self.assertEqual(rx_ip.src, tx_ip.src) self.assertEqual(rx_ip.dst, tx_ip.dst) @@ -182,7 +200,7 @@ class TestIPMcast(VppTestCase): # # A (*,G). # one accepting interface, pg0, 7 forwarding interfaces - # many forwarding interfaces test the case where the replicare DPO + # many forwarding interfaces test the case where the replicate DPO # needs to use extra cache lines for the buckets. # route_232_1_1_1 = VppIpMRoute( @@ -215,7 +233,7 @@ class TestIPMcast(VppTestCase): route_1_1_1_1_232_1_1_1 = VppIpMRoute( self, "1.1.1.1", - "232.1.1.1", 64, + "232.1.1.1", 27, # any grp-len is ok when src is set MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, [VppMRoutePath(self.pg0.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT), @@ -225,6 +243,26 @@ class TestIPMcast(VppTestCase): MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)]) route_1_1_1_1_232_1_1_1.add_vpp_config() + # + # An (S,G). + # one accepting interface, pg0, 2 forwarding interfaces + # that use unicast next-hops + # + route_1_1_1_1_232_1_1_2 = VppIpMRoute( + self, + "1.1.1.1", + "232.1.1.2", 64, + MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, + [VppMRoutePath(self.pg0.sw_if_index, + MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT), + VppMRoutePath(self.pg1.sw_if_index, + MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, + nh=self.pg1.remote_ip4), + VppMRoutePath(self.pg2.sw_if_index, + MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, + nh=self.pg2.remote_ip4)]) + route_1_1_1_1_232_1_1_2.add_vpp_config() + # # An (*,G/m). # one accepting interface, pg0, 1 forwarding interfaces @@ -251,6 +289,9 @@ class TestIPMcast(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() + self.assertEqual(route_1_1_1_1_232_1_1_1.get_stats()['packets'], + len(tx)) + # We expect replications on Pg1->7 self.verify_capture_ip4(self.pg1, tx) self.verify_capture_ip4(self.pg2, tx) @@ -277,12 +318,35 @@ class TestIPMcast(VppTestCase): self.verify_capture_ip4(self.pg1, tx) self.verify_capture_ip4(self.pg2, tx) + self.assertEqual(route_1_1_1_1_232_1_1_1.get_stats()['packets'], + 2*len(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 to the unicast next-hops + # + self.vapi.cli("clear trace") + tx = self.create_stream_ip4(self.pg0, "1.1.1.1", "232.1.1.2") + 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, dst_mac=self.pg1.remote_mac) + self.verify_capture_ip4(self.pg2, tx, dst_mac=self.pg2.remote_mac) + + # no replications on Pg0 nor pg3 + 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 (*,232.0.0.0/8) # Send packets with the 9th bit set so we test the correct clearing @@ -297,6 +361,7 @@ class TestIPMcast(VppTestCase): # We expect replications on Pg1 only self.verify_capture_ip4(self.pg1, tx) + self.assertEqual(route_232.get_stats()['packets'], len(tx)) # no replications on Pg0, Pg2 not Pg3 self.pg0.assert_nothing_captured( @@ -316,7 +381,7 @@ class TestIPMcast(VppTestCase): self.pg_enable_capture(self.pg_interfaces) self.pg_start() - # We expect replications on Pg1, 2, 3. + # 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) @@ -325,6 +390,10 @@ class TestIPMcast(VppTestCase): 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") + def test_ip6_mcast(self): """ IPv6 Multicast Replication """ @@ -352,17 +421,16 @@ class TestIPMcast(VppTestCase): MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, [VppMRoutePath(self.pg0.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg1.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg2.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg3.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)]) route_ff01_1.add_vpp_config() # @@ -372,18 +440,17 @@ class TestIPMcast(VppTestCase): route_2001_ff01_1 = VppIpMRoute( self, "2001::1", - "ff01::1", 256, + "ff01::1", 0, # any grp-len is ok when src is set MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, [VppMRoutePath(self.pg0.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg1.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg2.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)]) route_2001_ff01_1.add_vpp_config() # @@ -397,11 +464,10 @@ class TestIPMcast(VppTestCase): MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, [VppMRoutePath(self.pg0.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg1.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6)], - is_ip6=1) + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)]) route_ff01.add_vpp_config() # @@ -618,6 +684,7 @@ class TestIPMcast(VppTestCase): MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)]) route_232_1_1_1.add_vpp_config() + route_232_1_1_1.update_entry_flags( MRouteEntryFlags.MFIB_ENTRY_FLAG_SIGNAL) @@ -742,15 +809,14 @@ class TestIPMcast(VppTestCase): MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, [VppMRoutePath(self.pg8.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg1.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6), + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), VppMRoutePath(self.pg2.sw_if_index, MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, - proto=DpoProto.DPO_PROTO_IP6)], - table_id=10, - is_ip6=1) + proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)], + table_id=10) route_2001_ff01_1.add_vpp_config() #