Test scenario:
"""
+ self.pg0.ip6_ra_config(no=1, suppress=1)
+
#
# Before we begin change the IPv6 RA responses to use the unicast
# address - that way we will not confuse them with the periodic
# If we happen to pick up the periodic RA at this point then so be it,
# it's not an error.
#
- self.pg0.ip6_ra_config(send_unicast=1, suppress=0)
+ self.pg0.ip6_ra_config(send_unicast=1)
p = (Ether(dst=dmac, src=self.pg0.remote_mac) /
IPv6(dst="ff02::2", src="::") /
ICMPv6ND_RS())
#
# Reset the periodic advertisements back to default values
#
- self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0)
+ self.pg0.ip6_ra_config(suppress=1)
+ self.pg0.ip6_ra_config(no=1, send_unicast=1)
def test_mld(self):
""" MLD Report """
self.assertTrue(rx[0].haslayer(ICMPv6ND_NS))
-class TestIPNull(VppTestCase):
+class TestIP6Null(VppTestCase):
""" IPv6 routes via NULL """
@classmethod
def setUpClass(cls):
- super(TestIPNull, cls).setUpClass()
+ super(TestIP6Null, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPNull, cls).tearDownClass()
+ super(TestIP6Null, cls).tearDownClass()
def setUp(self):
- super(TestIPNull, self).setUp()
+ super(TestIP6Null, self).setUp()
# create 2 pg interfaces
self.create_pg_interfaces(range(1))
i.resolve_ndp()
def tearDown(self):
- super(TestIPNull, self).tearDown()
+ super(TestIP6Null, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip6()
i.admin_down()
self.assertEqual(icmp.code, 1)
-class TestIPDisabled(VppTestCase):
+class TestIP6Disabled(VppTestCase):
""" IPv6 disabled """
@classmethod
def setUpClass(cls):
- super(TestIPDisabled, cls).setUpClass()
+ super(TestIP6Disabled, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPDisabled, cls).tearDownClass()
+ super(TestIP6Disabled, cls).tearDownClass()
def setUp(self):
- super(TestIPDisabled, self).setUp()
+ super(TestIP6Disabled, self).setUp()
# create 2 pg interfaces
self.create_pg_interfaces(range(2))
self.pg1.admin_up()
def tearDown(self):
- super(TestIPDisabled, self).tearDown()
+ super(TestIP6Disabled, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip4()
i.admin_down()
i.disable_mpls()
super(TestIP6LoadBalance, self).tearDown()
- def pg_send(self, input, pkts):
- self.vapi.cli("clear trace")
- input.add_stream(pkts)
- self.pg_enable_capture(self.pg_interfaces)
- self.pg_start()
-
- def send_and_expect_load_balancing(self, input, pkts, outputs):
- self.pg_send(input, pkts)
- rxs = []
- for oo in outputs:
- rx = oo._get_capture(1)
- self.assertNotEqual(0, len(rx))
- rxs.append(rx)
- return rxs
-
- def send_and_expect_one_itf(self, input, pkts, itf):
- self.pg_send(input, pkts)
- rx = itf.get_capture(len(pkts))
-
def test_ip6_load_balance(self):
""" IPv6 Load-Balancing """
# The packets with Entropy label in should not load-balance,
# since the Entropy value is fixed.
#
- self.send_and_expect_one_itf(self.pg0, port_ent_pkts, self.pg1)
+ self.send_and_expect_only(self.pg0, port_ent_pkts, self.pg1)
#
# change the flow hash config so it's only IP src,dst
[self.pg1, self.pg2])
self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts,
[self.pg1, self.pg2])
- self.send_and_expect_one_itf(self.pg0, port_ip_pkts, self.pg2)
+ self.send_and_expect_only(self.pg0, port_ip_pkts, self.pg2)
#
# change the flow hash config back to defaults
# inject the packet on pg0 - expect load-balancing across all 4 paths
#
self.vapi.cli("clear trace")
- self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3)
+ self.send_and_expect_only(self.pg0, port_pkts, self.pg3)
class IP6PuntSetup(object):
ip_punt_redirect.remove_vpp_config()
-class TestIPDeag(VppTestCase):
+class TestIP6Deag(VppTestCase):
""" IPv6 Deaggregate Routes """
@classmethod
def setUpClass(cls):
- super(TestIPDeag, cls).setUpClass()
+ super(TestIP6Deag, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPDeag, cls).tearDownClass()
+ super(TestIP6Deag, cls).tearDownClass()
def setUp(self):
- super(TestIPDeag, self).setUp()
+ super(TestIP6Deag, self).setUp()
self.create_pg_interfaces(range(3))
i.resolve_ndp()
def tearDown(self):
- super(TestIPDeag, self).tearDown()
+ super(TestIP6Deag, self).tearDown()
for i in self.pg_interfaces:
i.unconfig_ip6()
i.admin_down()
inet6.UDP(sport=1234, dport=1234) /
Raw(b'\xa5' * 100))
- rx = self.send_and_expect(self.pg0, p_version * NUM_PKTS, self.pg0)
- rx = rx[0]
- icmp = rx[ICMPv6TimeExceeded]
+ rxs = self.send_and_expect_some(self.pg0,
+ p_version * NUM_PKTS,
+ self.pg0)
- # 0: "hop limit exceeded in transit",
- self.assertEqual((icmp.type, icmp.code), (3, 0))
+ for rx in rxs:
+ icmp = rx[ICMPv6TimeExceeded]
+ # 0: "hop limit exceeded in transit",
+ self.assertEqual((icmp.type, icmp.code), (3, 0))
icmpv6_data = '\x0a' * 18
all_0s = "::"
self.pg_start()
-class TestIPReplace(VppTestCase):
+class TestIP6Replace(VppTestCase):
""" IPv6 Table Replace """
@classmethod
def setUpClass(cls):
- super(TestIPReplace, cls).setUpClass()
+ super(TestIP6Replace, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIPReplace, cls).tearDownClass()
+ super(TestIP6Replace, cls).tearDownClass()
def setUp(self):
- super(TestIPReplace, self).setUp()
+ super(TestIP6Replace, self).setUp()
self.create_pg_interfaces(range(4))
table_id += 1
def tearDown(self):
- super(TestIPReplace, self).tearDown()
+ super(TestIP6Replace, self).tearDown()
for i in self.pg_interfaces:
i.admin_down()
i.unconfig_ip6()
self.assertEqual(len(t.mdump()), 5)
-class TestIP6Replace(VppTestCase):
- """ IPv4 Interface Address Replace """
+class TestIP6AddrReplace(VppTestCase):
+ """ IPv6 Interface Address Replace """
@classmethod
def setUpClass(cls):
- super(TestIP6Replace, cls).setUpClass()
+ super(TestIP6AddrReplace, cls).setUpClass()
@classmethod
def tearDownClass(cls):
- super(TestIP6Replace, cls).tearDownClass()
+ super(TestIP6AddrReplace, cls).tearDownClass()
def setUp(self):
- super(TestIP6Replace, self).setUp()
+ super(TestIP6AddrReplace, self).setUp()
self.create_pg_interfaces(range(4))
i.admin_up()
def tearDown(self):
- super(TestIP6Replace, self).tearDown()
+ super(TestIP6AddrReplace, self).tearDown()
for i in self.pg_interfaces:
i.admin_down()
self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index,
[2800, 0, 0, 0])
+ p_6k = (Ether(dst=self.pg0.local_mac,
+ src=self.pg0.remote_mac) /
+ IPv6(src=self.pg0.remote_ip6,
+ dst=tun.remote_ip6) /
+ UDP(sport=1234, dport=5678) /
+ Raw(b'0xa' * 2000))
p_2k = (Ether(dst=self.pg0.local_mac,
src=self.pg0.remote_mac) /
IPv6(src=self.pg0.remote_ip6,
self.pg1.remote_ip6).add_vpp_config()
# this is now the interface MTU frags
+ self.send_and_expect(self.pg0, [p_6k], self.pg1, n_rx=4)
self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2)
self.send_and_expect(self.pg0, [p_1k], self.pg1)
self.assertEqual(rx[IPv6].dst, "3001::2")
+class TestIPv6Punt(VppTestCase):
+ """ IPv6 Punt Police/Redirect """
+
+ def setUp(self):
+ super(TestIPv6Punt, self).setUp()
+ self.create_pg_interfaces(range(4))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestIPv6Punt, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_ip6_punt(self):
+ """ IPv6 punt police and redirect """
+
+ # use UDP packet that have a port we need to explicitly
+ # register to get punted.
+ pt_l4 = VppEnum.vl_api_punt_type_t.PUNT_API_TYPE_L4
+ af_ip6 = VppEnum.vl_api_address_family_t.ADDRESS_IP6
+ udp_proto = VppEnum.vl_api_ip_proto_t.IP_API_PROTO_UDP
+ punt_udp = {
+ 'type': pt_l4,
+ 'punt': {
+ 'l4': {
+ 'af': af_ip6,
+ 'protocol': udp_proto,
+ 'port': 7654,
+ }
+ }
+ }
+
+ self.vapi.set_punt(is_add=1, punt=punt_udp)
+
+ pkts = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) /
+ UDP(sport=1234, dport=7654) /
+ Raw(b'\xa5' * 100)) * 1025
+
+ #
+ # Configure a punt redirect via pg1.
+ #
+ nh_addr = self.pg1.remote_ip6
+ ip_punt_redirect = VppIpPuntRedirect(self, self.pg0.sw_if_index,
+ self.pg1.sw_if_index, nh_addr)
+ ip_punt_redirect.add_vpp_config()
+
+ self.send_and_expect(self.pg0, pkts, self.pg1)
+
+ #
+ # add a policer
+ #
+ policer = VppPolicer(self, "ip6-punt", 400, 0, 10, 0, rate_type=1)
+ policer.add_vpp_config()
+ ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index,
+ is_ip6=True)
+ ip_punt_policer.add_vpp_config()
+
+ self.vapi.cli("clear trace")
+ self.pg0.add_stream(pkts)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ #
+ # the number of packet received should be greater than 0,
+ # but not equal to the number sent, since some were policed
+ #
+ rx = self.pg1._get_capture(1)
+
+ stats = policer.get_stats()
+
+ # Single rate policer - expect conform, violate but no exceed
+ self.assertGreater(stats['conform_packets'], 0)
+ self.assertEqual(stats['exceed_packets'], 0)
+ self.assertGreater(stats['violate_packets'], 0)
+
+ self.assertGreater(len(rx), 0)
+ self.assertLess(len(rx), len(pkts))
+
+ #
+ # remove the policer. back to full rx
+ #
+ ip_punt_policer.remove_vpp_config()
+ policer.remove_vpp_config()
+ self.send_and_expect(self.pg0, pkts, self.pg1)
+
+ #
+ # remove the redirect. expect full drop.
+ #
+ ip_punt_redirect.remove_vpp_config()
+ self.send_and_assert_no_replies(self.pg0, pkts,
+ "IP no punt config")
+
+ #
+ # Add a redirect that is not input port selective
+ #
+ ip_punt_redirect = VppIpPuntRedirect(self, 0xffffffff,
+ self.pg1.sw_if_index, nh_addr)
+ ip_punt_redirect.add_vpp_config()
+ self.send_and_expect(self.pg0, pkts, self.pg1)
+ ip_punt_redirect.remove_vpp_config()
+
+ def test_ip6_punt_dump(self):
+ """ IPv6 punt redirect dump"""
+
+ #
+ # Configure a punt redirects
+ #
+ nh_address = self.pg3.remote_ip6
+ ipr_03 = VppIpPuntRedirect(self, self.pg0.sw_if_index,
+ self.pg3.sw_if_index, nh_address)
+ ipr_13 = VppIpPuntRedirect(self, self.pg1.sw_if_index,
+ self.pg3.sw_if_index, nh_address)
+ ipr_23 = VppIpPuntRedirect(self, self.pg2.sw_if_index,
+ self.pg3.sw_if_index, "::")
+ ipr_03.add_vpp_config()
+ ipr_13.add_vpp_config()
+ ipr_23.add_vpp_config()
+
+ #
+ # Dump pg0 punt redirects
+ #
+ self.assertTrue(ipr_03.query_vpp_config())
+ self.assertTrue(ipr_13.query_vpp_config())
+ self.assertTrue(ipr_23.query_vpp_config())
+
+ #
+ # Dump punt redirects for all interfaces
+ #
+ punts = self.vapi.ip_punt_redirect_dump(sw_if_index=0xffffffff,
+ is_ipv6=True)
+ self.assertEqual(len(punts), 3)
+ for p in punts:
+ self.assertEqual(p.punt.tx_sw_if_index, self.pg3.sw_if_index)
+ self.assertNotEqual(punts[1].punt.nh, self.pg3.remote_ip6)
+ self.assertEqual(str(punts[2].punt.nh), '::')
+
+
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)