324454492c
Change-Id: Iad57387991d4330d7797cb85fef1157a36e8e897 Signed-off-by: Klement Sekera <ksekera@cisco.com>
147 lines
4.4 KiB
Python
147 lines
4.4 KiB
Python
#!/usr/bin/env python
|
|
|
|
import unittest
|
|
import socket
|
|
|
|
from framework import VppTestCase, VppTestRunner
|
|
from vpp_ip_route import VppIpRoute, VppRoutePath
|
|
|
|
from scapy.packet import Raw
|
|
from scapy.layers.l2 import Ether
|
|
from scapy.layers.inet import IP, UDP
|
|
|
|
|
|
class TestL2Flood(VppTestCase):
|
|
""" L2-flood """
|
|
|
|
def setUp(self):
|
|
super(TestL2Flood, self).setUp()
|
|
|
|
# 12 l2 interface and one l3
|
|
self.create_pg_interfaces(range(13))
|
|
self.create_loopback_interfaces(1)
|
|
|
|
for i in self.pg_interfaces:
|
|
i.admin_up()
|
|
for i in self.lo_interfaces:
|
|
i.admin_up()
|
|
|
|
self.pg12.config_ip4()
|
|
self.pg12.resolve_arp()
|
|
self.loop0.config_ip4()
|
|
|
|
def tearDown(self):
|
|
self.pg12.unconfig_ip4()
|
|
self.loop0.unconfig_ip4()
|
|
|
|
for i in self.pg_interfaces:
|
|
i.admin_down()
|
|
for i in self.lo_interfaces:
|
|
i.admin_down()
|
|
super(TestL2Flood, self).tearDown()
|
|
|
|
def test_flood(self):
|
|
""" L2 Flood Tests """
|
|
|
|
#
|
|
# Create a single bridge Domain
|
|
#
|
|
self.vapi.bridge_domain_add_del(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)
|
|
for i in self.pg_interfaces[4:8]:
|
|
self.vapi.sw_interface_set_l2_bridge(i.sw_if_index, 1, 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)
|
|
|
|
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->11
|
|
# this is in SHG=0 so its flooded to all, expect the pg0 since that's
|
|
# the ingress link
|
|
#
|
|
self.pg0.add_stream(p*65)
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
self.pg_start()
|
|
|
|
for i in self.pg_interfaces[1:12]:
|
|
rx0 = i.get_capture(65, timeout=1)
|
|
|
|
#
|
|
# input on pg4 (SHG=1) expect copies on pg0->3 (SHG=0)
|
|
# and pg8->11 (SHG=2)
|
|
#
|
|
self.pg4.add_stream(p*65)
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
self.pg_start()
|
|
|
|
for i in self.pg_interfaces[:4]:
|
|
rx0 = i.get_capture(65, timeout=1)
|
|
for i in self.pg_interfaces[8:12]:
|
|
rx0 = i.get_capture(65, timeout=1)
|
|
for i in self.pg_interfaces[4:8]:
|
|
i.assert_nothing_captured(remark="Different SH group")
|
|
|
|
#
|
|
# An IP route so the packet that hits the BVI is sent out of pg12
|
|
#
|
|
ip_route = VppIpRoute(self, "1.1.1.1", 32,
|
|
[VppRoutePath(self.pg12.remote_ip4,
|
|
self.pg12.sw_if_index)])
|
|
ip_route.add_vpp_config()
|
|
|
|
self.logger.info(self.vapi.cli("sh bridge 1 detail"))
|
|
|
|
#
|
|
# input on pg0 expect copies on pg1->12
|
|
# this is in SHG=0 so its flooded to all, expect the pg0 since that's
|
|
# the ingress link
|
|
#
|
|
self.pg0.add_stream(p*65)
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
self.pg_start()
|
|
|
|
for i in self.pg_interfaces[1:]:
|
|
rx0 = i.get_capture(65, timeout=1)
|
|
|
|
#
|
|
# input on pg4 (SHG=1) expect copies on pg0->3 (SHG=0)
|
|
# and pg8->12 (SHG=2)
|
|
#
|
|
self.pg4.add_stream(p*65)
|
|
self.pg_enable_capture(self.pg_interfaces)
|
|
self.pg_start()
|
|
|
|
for i in self.pg_interfaces[:4]:
|
|
rx0 = i.get_capture(65, timeout=1)
|
|
for i in self.pg_interfaces[8:13]:
|
|
rx0 = i.get_capture(65, timeout=1)
|
|
for i in self.pg_interfaces[4:8]:
|
|
i.assert_nothing_captured(remark="Different SH group")
|
|
|
|
#
|
|
# 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.bridge_domain_add_del(1, is_add=0)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(testRunner=VppTestRunner)
|