diff options
Diffstat (limited to 'test/test_l2_flood.py')
| -rw-r--r-- | test/test_l2_flood.py | 111 |
1 files changed, 109 insertions, 2 deletions
diff --git a/test/test_l2_flood.py b/test/test_l2_flood.py index a8b6b10f11a..50a692e57e8 100644 --- a/test/test_l2_flood.py +++ b/test/test_l2_flood.py @@ -5,6 +5,7 @@ import socket from framework import VppTestCase, VppTestRunner from vpp_ip_route import VppIpRoute, VppRoutePath +from vpp_papi_provider import L2_PORT_TYPE, BRIDGE_FLAGS from scapy.packet import Raw from scapy.layers.l2 import Ether @@ -58,7 +59,8 @@ class TestL2Flood(VppTestCase): for i in self.pg_interfaces[8:12]: self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, 2) for i in self.lo_interfaces: - self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, 2, bvi=1) + self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, 2, + port_type=L2_PORT_TYPE.BVI) p = (Ether(dst="ff:ff:ff:ff:ff:ff", src="00:00:de:ad:be:ef") / @@ -137,7 +139,112 @@ class TestL2Flood(VppTestCase): self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, enable=0) for i in self.lo_interfaces: self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, 2, - bvi=1, enable=0) + port_type=L2_PORT_TYPE.BVI, + enable=0) + + self.vapi.bridge_domain_add_del(1, is_add=0) + + def test_uu_fwd(self): + """ UU Flood """ + + # + # Create a single bridge Domain + # + self.vapi.bridge_domain_add_del(1, uu_flood=1) + + # + # add each interface to the BD. 3 interfaces per split horizon group + # + for i in self.pg_interfaces[0:4]: + self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, 0) + + # + # an unknown unicast packet + # + p_uu = (Ether(dst="00:00:00:c1:5c:00", + src="00:00:de:ad:be:ef") / + IP(src="10.10.10.10", dst="1.1.1.1") / + UDP(sport=1234, dport=1234) / + Raw('\xa5' * 100)) + + # + # input on pg0, expected copies on pg1->4 + # + self.pg0.add_stream(p_uu*65) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + for i in self.pg_interfaces[1:4]: + rx0 = i.get_capture(65, timeout=1) + + # + # use pg8 as the uu-fwd interface + # + self.vapi.sw_interface_set_l2_bridge(self.pg8.sw_if_index, 1, 0, + port_type=L2_PORT_TYPE.UU_FWD) + + # + # expect the UU packet on the uu-fwd interface and not be flooded + # + self.pg0.add_stream(p_uu*65) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx0 = self.pg8.get_capture(65, timeout=1) + + for i in self.pg_interfaces[0:4]: + i.assert_nothing_captured(remark="UU not flooded") + + # + # remove the uu-fwd interface and expect UU to be flooded again + # + self.vapi.sw_interface_set_l2_bridge(self.pg8.sw_if_index, 1, 0, + port_type=L2_PORT_TYPE.UU_FWD, + enable=0) + + self.pg0.add_stream(p_uu*65) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + for i in self.pg_interfaces[1:4]: + rx0 = i.get_capture(65, timeout=1) + + # + # change the BD config to not support UU-flood + # + self.vapi.bridge_flags(1, 0, BRIDGE_FLAGS.UU_FLOOD) + + self.send_and_assert_no_replies(self.pg0, p_uu) + + # + # re-add the uu-fwd interface + # + self.vapi.sw_interface_set_l2_bridge(self.pg8.sw_if_index, 1, 0, + port_type=L2_PORT_TYPE.UU_FWD) + self.logger.info(self.vapi.cli("sh bridge 1 detail")) + + self.pg0.add_stream(p_uu*65) + self.pg_enable_capture(self.pg_interfaces) + self.pg_start() + + rx0 = self.pg8.get_capture(65, timeout=1) + + for i in self.pg_interfaces[0:4]: + i.assert_nothing_captured(remark="UU not flooded") + + # + # remove the uu-fwd interface + # + self.vapi.sw_interface_set_l2_bridge(self.pg8.sw_if_index, 1, 0, + port_type=L2_PORT_TYPE.UU_FWD, + enable=0) + self.send_and_assert_no_replies(self.pg0, p_uu) + + # + # cleanup + # + for i in self.pg_interfaces[:4]: + self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, enable=0) self.vapi.bridge_domain_add_del(1, is_add=0) |