diff options
Diffstat (limited to 'test/test_ip_mcast.py')
| -rw-r--r-- | test/test_ip_mcast.py | 53 |
1 files changed, 50 insertions, 3 deletions
diff --git a/test/test_ip_mcast.py b/test/test_ip_mcast.py index b4554c67f42..017f0629cd2 100644 --- a/test/test_ip_mcast.py +++ b/test/test_ip_mcast.py @@ -111,7 +111,7 @@ class TestIPMcast(VppTestCase): 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 +129,11 @@ 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) @@ -226,6 +229,26 @@ class TestIPMcast(VppTestCase): 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 # @@ -284,6 +307,26 @@ class TestIPMcast(VppTestCase): 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 # of that bit in the mac rewrite @@ -316,7 +359,7 @@ 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 +368,10 @@ 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 """ |