ccc70f6c6e
Change-Id: Id6c16462fccf890eaa0e526ad048e032c9da8800 Signed-off-by: Neale Ranns <nranns@cisco.com>
305 lines
12 KiB
Python
305 lines
12 KiB
Python
#!/usr/bin/env python
|
|
|
|
from framework import VppTestCase, VppTestRunner
|
|
from vpp_ip import IpAddressFamily, VppIpPrefix
|
|
|
|
from vpp_ip_route import VppIpTable
|
|
|
|
from scapy.packet import Raw
|
|
from scapy.layers.l2 import Ether
|
|
from scapy.layers.inet import IP, UDP, ICMP
|
|
from scapy.layers.inet6 import IPv6
|
|
|
|
|
|
class TestSVS(VppTestCase):
|
|
""" SVS Test Case """
|
|
|
|
def setUp(self):
|
|
super(TestSVS, self).setUp()
|
|
|
|
# create 2 pg interfaces
|
|
self.create_pg_interfaces(range(4))
|
|
|
|
table_id = 0
|
|
|
|
for i in self.pg_interfaces:
|
|
i.admin_up()
|
|
|
|
if table_id != 0:
|
|
tbl = VppIpTable(self, table_id)
|
|
tbl.add_vpp_config()
|
|
tbl = VppIpTable(self, table_id, is_ip6=1)
|
|
tbl.add_vpp_config()
|
|
|
|
i.set_table_ip4(table_id)
|
|
i.set_table_ip6(table_id)
|
|
i.config_ip4()
|
|
i.resolve_arp()
|
|
i.config_ip6()
|
|
i.resolve_ndp()
|
|
table_id += 1
|
|
|
|
def tearDown(self):
|
|
for i in self.pg_interfaces:
|
|
i.unconfig_ip4()
|
|
i.unconfig_ip6()
|
|
i.ip6_disable()
|
|
i.set_table_ip4(0)
|
|
i.set_table_ip6(0)
|
|
i.admin_down()
|
|
super(TestSVS, self).tearDown()
|
|
|
|
def test_svs4(self):
|
|
""" Source VRF Select IP4 """
|
|
|
|
#
|
|
# packets destinet out of the 3 non-default table interfaces
|
|
#
|
|
pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))]
|
|
pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IP(src="1.1.1.1", dst=self.pg1.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IP(src="2.2.2.2", dst=self.pg2.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IP(src="3.3.3.3", dst=self.pg3.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))]
|
|
|
|
#
|
|
# before adding the SVS config all these packets are dropped when
|
|
# ingressing on pg0 since pg0 is in the default table
|
|
#
|
|
for p in pkts_0:
|
|
self.send_and_assert_no_replies(self.pg0, p * 1)
|
|
|
|
#
|
|
# Add table 1001 & 1002 into which we'll add the routes
|
|
# determing the source VRF selection
|
|
#
|
|
table_ids = [101, 102]
|
|
|
|
for table_id in table_ids:
|
|
self.vapi.svs_table_add_del(IpAddressFamily.ADDRESS_IP4, table_id)
|
|
|
|
#
|
|
# map X.0.0.0/8 to each SVS table for lookup in table X
|
|
#
|
|
for i in range(1, 4):
|
|
self.vapi.svs_route_add_del(
|
|
table_id,
|
|
VppIpPrefix("%d.0.0.0" % i, 8).encode(),
|
|
i)
|
|
|
|
#
|
|
# Enable SVS on pg0/pg1 using table 1001/1002
|
|
#
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
|
|
table_ids[0],
|
|
self.pg0.sw_if_index)
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
|
|
table_ids[1],
|
|
self.pg1.sw_if_index)
|
|
|
|
#
|
|
# now all the packets should be delivered out the respective interface
|
|
#
|
|
self.send_and_expect(self.pg0, pkts_0[0] * 65, self.pg1)
|
|
self.send_and_expect(self.pg0, pkts_0[1] * 65, self.pg2)
|
|
self.send_and_expect(self.pg0, pkts_0[2] * 65, self.pg3)
|
|
self.send_and_expect(self.pg1, pkts_1[0] * 65, self.pg1)
|
|
self.send_and_expect(self.pg1, pkts_1[1] * 65, self.pg2)
|
|
self.send_and_expect(self.pg1, pkts_1[2] * 65, self.pg3)
|
|
|
|
#
|
|
# check that if the SVS lookup does not match a route the packet
|
|
# is forwarded using the interface's routing table
|
|
#
|
|
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IP(src=self.pg0.remote_ip4, dst=self.pg0.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))
|
|
self.send_and_expect(self.pg0, p * 65, self.pg0)
|
|
|
|
p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IP(src=self.pg1.remote_ip4, dst=self.pg1.remote_ip4) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))
|
|
self.send_and_expect(self.pg1, p * 65, self.pg1)
|
|
|
|
#
|
|
# dump the SVS configs
|
|
#
|
|
ss = self.vapi.svs_dump()
|
|
|
|
self.assertEqual(ss[0].table_id, table_ids[0])
|
|
self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
|
|
self.assertEqual(ss[0].af, IpAddressFamily.ADDRESS_IP4)
|
|
self.assertEqual(ss[1].table_id, table_ids[1])
|
|
self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
|
|
self.assertEqual(ss[1].af, IpAddressFamily.ADDRESS_IP4)
|
|
|
|
#
|
|
# cleanup
|
|
#
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
|
|
table_ids[0],
|
|
self.pg0.sw_if_index,
|
|
is_enable=0)
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP4,
|
|
table_ids[1],
|
|
self.pg1.sw_if_index,
|
|
is_enable=0)
|
|
|
|
for table_id in table_ids:
|
|
for i in range(1, 4):
|
|
self.vapi.svs_route_add_del(
|
|
table_id,
|
|
VppIpPrefix("%d.0.0.0" % i, 8).encode(),
|
|
0, is_add=0)
|
|
self.vapi.svs_table_add_del(IpAddressFamily.ADDRESS_IP4,
|
|
table_id,
|
|
is_add=0)
|
|
|
|
def test_svs6(self):
|
|
""" Source VRF Select IP6 """
|
|
|
|
#
|
|
# packets destinet out of the 3 non-default table interfaces
|
|
#
|
|
pkts_0 = [(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))]
|
|
pkts_1 = [(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IPv6(src="2001:1::1", dst=self.pg1.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IPv6(src="2001:2::1", dst=self.pg2.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100)),
|
|
(Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IPv6(src="2001:3::1", dst=self.pg3.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))]
|
|
|
|
#
|
|
# before adding the SVS config all these packets are dropped when
|
|
# ingressing on pg0 since pg0 is in the default table
|
|
#
|
|
for p in pkts_0:
|
|
self.send_and_assert_no_replies(self.pg0, p * 1)
|
|
|
|
#
|
|
# Add table 1001 & 1002 into which we'll add the routes
|
|
# determing the source VRF selection
|
|
#
|
|
table_ids = [101, 102]
|
|
|
|
for table_id in table_ids:
|
|
self.vapi.svs_table_add_del(IpAddressFamily.ADDRESS_IP6, table_id)
|
|
|
|
#
|
|
# map X.0.0.0/8 to each SVS table for lookup in table X
|
|
#
|
|
for i in range(1, 4):
|
|
self.vapi.svs_route_add_del(
|
|
table_id,
|
|
VppIpPrefix("2001:%d::" % i, 32).encode(),
|
|
i)
|
|
|
|
#
|
|
# Enable SVS on pg0/pg1 using table 1001/1002
|
|
#
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP6,
|
|
table_ids[0],
|
|
self.pg0.sw_if_index)
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP6,
|
|
table_ids[1],
|
|
self.pg1.sw_if_index)
|
|
|
|
#
|
|
# now all the packets should be delivered out the respective interface
|
|
#
|
|
self.send_and_expect(self.pg0, pkts_0[0] * 65, self.pg1)
|
|
self.send_and_expect(self.pg0, pkts_0[1] * 65, self.pg2)
|
|
self.send_and_expect(self.pg0, pkts_0[2] * 65, self.pg3)
|
|
self.send_and_expect(self.pg1, pkts_1[0] * 65, self.pg1)
|
|
self.send_and_expect(self.pg1, pkts_1[1] * 65, self.pg2)
|
|
self.send_and_expect(self.pg1, pkts_1[2] * 65, self.pg3)
|
|
|
|
#
|
|
# check that if the SVS lookup does not match a route the packet
|
|
# is forwarded using the interface's routing table
|
|
#
|
|
p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) /
|
|
IPv6(src=self.pg0.remote_ip6, dst=self.pg0.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))
|
|
self.send_and_expect(self.pg0, p * 65, self.pg0)
|
|
|
|
p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) /
|
|
IPv6(src=self.pg1.remote_ip6, dst=self.pg1.remote_ip6) /
|
|
UDP(sport=1234, dport=1234) /
|
|
Raw('\xa5' * 100))
|
|
self.send_and_expect(self.pg1, p * 65, self.pg1)
|
|
|
|
#
|
|
# dump the SVS configs
|
|
#
|
|
ss = self.vapi.svs_dump()
|
|
|
|
self.assertEqual(ss[0].table_id, table_ids[0])
|
|
self.assertEqual(ss[0].sw_if_index, self.pg0.sw_if_index)
|
|
self.assertEqual(ss[0].af, IpAddressFamily.ADDRESS_IP6)
|
|
self.assertEqual(ss[1].table_id, table_ids[1])
|
|
self.assertEqual(ss[1].sw_if_index, self.pg1.sw_if_index)
|
|
self.assertEqual(ss[1].af, IpAddressFamily.ADDRESS_IP6)
|
|
|
|
#
|
|
# cleanup
|
|
#
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP6,
|
|
table_ids[0],
|
|
self.pg0.sw_if_index,
|
|
is_enable=0)
|
|
self.vapi.svs_enable_disable(IpAddressFamily.ADDRESS_IP6,
|
|
table_ids[1],
|
|
self.pg1.sw_if_index,
|
|
is_enable=0)
|
|
for table_id in table_ids:
|
|
for i in range(1, 4):
|
|
self.vapi.svs_route_add_del(
|
|
table_id,
|
|
VppIpPrefix("2001:%d::" % i, 32).encode(),
|
|
0, is_add=0)
|
|
self.vapi.svs_table_add_del(IpAddressFamily.ADDRESS_IP6,
|
|
table_id,
|
|
is_add=0)
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main(testRunner=VppTestRunner)
|