from framework import VppTestCase, VppTestRunner
from vpp_ip_route import VppIpRoute, VppRoutePath
+from vpp_l2 import L2_PORT_TYPE, BRIDGE_FLAGS
from scapy.packet import Raw
from scapy.layers.l2 import Ether
# 12 l2 interface and one l3
self.create_pg_interfaces(range(13))
- self.create_loopback_interfaces(1)
+ self.create_bvi_interfaces(1)
for i in self.pg_interfaces:
i.admin_up()
- for i in self.lo_interfaces:
+ for i in self.bvi_interfaces:
i.admin_up()
self.pg12.config_ip4()
self.pg12.resolve_arp()
- self.loop0.config_ip4()
+ self.bvi0.config_ip4()
def tearDown(self):
self.pg12.unconfig_ip4()
- self.loop0.unconfig_ip4()
+ self.bvi0.unconfig_ip4()
for i in self.pg_interfaces:
i.admin_down()
- for i in self.lo_interfaces:
+ for i in self.bvi_interfaces:
i.admin_down()
super(TestL2Flood, self).tearDown()
#
# Create a single bridge Domain
#
- self.vapi.bridge_domain_add_del(1)
+ self.vapi.bridge_domain_add_del(bd_id=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)
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, shg=0)
for i in self.pg_interfaces[4:8]:
- self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, 1)
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, shg=1)
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(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, shg=2)
+ for i in self.bvi_interfaces:
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, shg=2,
+ port_type=L2_PORT_TYPE.BVI)
p = (Ether(dst="ff:ff:ff:ff:ff:ff",
src="00:00:de:ad:be:ef") /
for i in self.pg_interfaces[1:12]:
rx0 = i.get_capture(65, timeout=1)
- self.logger.error(self.vapi.cli("sh trace"))
-
#
# input on pg4 (SHG=1) expect copies on pg0->3 (SHG=0)
# and pg8->11 (SHG=2)
# cleanup
#
for i in self.pg_interfaces[:12]:
- 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)
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, enable=0)
+ for i in self.bvi_interfaces:
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, shg=2,
+ port_type=L2_PORT_TYPE.BVI,
+ enable=0)
+
+ self.vapi.bridge_domain_add_del(bd_id=1, is_add=0)
+
+ def test_flood_one(self):
+ """ L2 no-Flood Test """
+
+ #
+ # Create a single bridge Domain
+ #
+ self.vapi.bridge_domain_add_del(bd_id=1)
+
+ #
+ # add 2 interfaces to the BD. this means a flood goes to only
+ # one member
+ #
+ for i in self.pg_interfaces[:2]:
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, shg=0)
+
+ p = (Ether(dst="ff:ff:ff:ff:ff:ff",
+ 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 expect copies on pg1
+ #
+ self.send_and_expect(self.pg0, p*65, self.pg1)
+
+ #
+ # cleanup
+ #
+ for i in self.pg_interfaces[:2]:
+ self.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, enable=0)
+ self.vapi.bridge_domain_add_del(bd_id=1, is_add=0)
+
+ def test_uu_fwd(self):
+ """ UU Flood """
+
+ #
+ # Create a single bridge Domain
+ #
+ self.vapi.bridge_domain_add_del(bd_id=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(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, shg=0)
+
+ #
+ # an unknown unicast and braodcast packets
+ #
+ 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))
+ p_bm = (Ether(dst="ff:ff:ff:ff:ff:ff",
+ 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)
+
+ self.pg0.add_stream(p_bm*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(
+ rx_sw_if_index=self.pg8.sw_if_index, bd_id=1, shg=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")
+
+ self.pg0.add_stream(p_bm*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)
+
+ #
+ # remove the uu-fwd interface and expect UU to be flooded again
+ #
+ self.vapi.sw_interface_set_l2_bridge(
+ rx_sw_if_index=self.pg8.sw_if_index, bd_id=1, shg=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(bd_id=1, is_set=0, flags=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(
+ rx_sw_if_index=self.pg8.sw_if_index, bd_id=1, shg=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(
+ rx_sw_if_index=self.pg8.sw_if_index, bd_id=1, shg=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(rx_sw_if_index=i.sw_if_index,
+ bd_id=1, enable=0)
- self.vapi.bridge_domain_add_del(1, is_add=0)
+ self.vapi.bridge_domain_add_del(bd_id=1, is_add=0)
if __name__ == '__main__':
Code Review / vpp.git / blobdiff