from util import ppp, ip6_normalize
from vpp_sub_interface import VppSubInterface, VppDot1QSubint
from vpp_pg_interface import is_ipv6_misc
+from vpp_ip import DpoProto
from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \
VppMRoutePath, MRouteItfFlags, MRouteEntryFlags, VppMplsIpBind, \
- VppMplsRoute, DpoProto, VppMplsTable
+ VppMplsRoute, VppMplsTable, VppIpTable, VppIpAddress
from vpp_neighbor import find_nbr, VppNeighbor
from scapy.packet import Raw
ICMPv6ND_RA, ICMPv6NDOptSrcLLAddr, getmacbyip6, ICMPv6MRD_Solicitation, \
ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \
ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \
- ICMPv6TimeExceeded
+ ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply
from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \
in6_mactoifaceid, in6_ismaddr
from scapy.utils import inet_pton, inet_ntop
:ivar list interfaces: pg interfaces and subinterfaces.
:ivar dict flows: IPv4 packet flows in test.
- :ivar list pg_if_packet_sizes: packet sizes in test.
*TODO:* Create AD sub interface
"""
self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if]
# packet sizes
- self.pg_if_packet_sizes = [64, 512, 1518, 9018]
- self.sub_if_packet_sizes = [64, 512, 1518 + 4, 9018 + 4]
+ self.pg_if_packet_sizes = [64, 1500, 9020]
self.interfaces = list(self.pg_interfaces)
self.interfaces.extend(self.sub_interfaces)
def tearDown(self):
"""Run standard test teardown and log ``show ip6 neighbors``."""
- for i in self.sub_interfaces:
+ for i in self.interfaces:
i.unconfig_ip6()
i.ip6_disable()
i.admin_down()
+ for i in self.sub_interfaces:
i.remove_vpp_config()
super(TestIPv6, self).tearDown()
(count, percent))
percent += 1
- def create_stream(self, src_if, packet_sizes):
+ def modify_packet(self, src_if, packet_size, pkt):
+ """Add load, set destination IP and extend packet to required packet
+ size for defined interface.
+
+ :param VppInterface src_if: Interface to create packet for.
+ :param int packet_size: Required packet size.
+ :param Scapy pkt: Packet to be modified.
+ """
+ dst_if_idx = packet_size / 10 % 2
+ dst_if = self.flows[src_if][dst_if_idx]
+ info = self.create_packet_info(src_if, dst_if)
+ payload = self.info_to_payload(info)
+ p = pkt/Raw(payload)
+ p[IPv6].dst = dst_if.remote_ip6
+ info.data = p.copy()
+ if isinstance(src_if, VppSubInterface):
+ p = src_if.add_dot1_layer(p)
+ self.extend_packet(p, packet_size)
+
+ return p
+
+ def create_stream(self, src_if):
"""Create input packet stream for defined interface.
:param VppInterface src_if: Interface to create packet stream for.
- :param list packet_sizes: Required packet sizes.
"""
- pkts = []
- for i in range(0, 257):
- dst_if = self.flows[src_if][i % 2]
- info = self.create_packet_info(src_if, dst_if)
- payload = self.info_to_payload(info)
- p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
- IPv6(src=src_if.remote_ip6, dst=dst_if.remote_ip6) /
- UDP(sport=1234, dport=1234) /
- Raw(payload))
- info.data = p.copy()
- if isinstance(src_if, VppSubInterface):
- p = src_if.add_dot1_layer(p)
- size = packet_sizes[(i // 2) % len(packet_sizes)]
- self.extend_packet(p, size)
- pkts.append(p)
+ hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0
+ pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) /
+ IPv6(src=src_if.remote_ip6) /
+ UDP(sport=1234, dport=1234))
+
+ pkts = [self.modify_packet(src_if, i, pkt_tmpl)
+ for i in xrange(self.pg_if_packet_sizes[0],
+ self.pg_if_packet_sizes[1], 10)]
+ pkts_b = [self.modify_packet(src_if, i, pkt_tmpl)
+ for i in xrange(self.pg_if_packet_sizes[1] + hdr_ext,
+ self.pg_if_packet_sizes[2] + hdr_ext, 50)]
+ pkts.extend(pkts_b)
+
return pkts
def verify_capture(self, dst_if, capture):
- Send and verify received packets on each interface.
"""
- pkts = self.create_stream(self.pg0, self.pg_if_packet_sizes)
+ pkts = self.create_stream(self.pg0)
self.pg0.add_stream(pkts)
for i in self.sub_interfaces:
- pkts = self.create_stream(i, self.sub_if_packet_sizes)
+ pkts = self.create_stream(i)
i.parent.add_stream(pkts)
self.pg_enable_capture(self.pg_interfaces)
self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0)
+class TestICMPv6Echo(VppTestCase):
+ """ ICMPv6 Echo Test Case """
+
+ def setUp(self):
+ super(TestICMPv6Echo, self).setUp()
+
+ # create 1 pg interface
+ self.create_pg_interfaces(range(1))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestICMPv6Echo, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.ip6_disable()
+ i.admin_down()
+
+ def test_icmpv6_echo(self):
+ """ VPP replies to ICMPv6 Echo Request
+
+ Test scenario:
+
+ - Receive ICMPv6 Echo Request message on pg0 interface.
+ - Check outgoing ICMPv6 Echo Reply message on pg0 interface.
+ """
+
+ icmpv6_id = 0xb
+ icmpv6_seq = 5
+ icmpv6_data = '\x0a' * 18
+ p_echo_request = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IPv6(src=self.pg0.remote_ip6,
+ dst=self.pg0.local_ip6) /
+ ICMPv6EchoRequest(id=icmpv6_id, seq=icmpv6_seq,
+ data=icmpv6_data))
+
+ self.pg0.add_stream(p_echo_request)
+ self.pg_enable_capture(self.pg_interfaces)
+ self.pg_start()
+
+ rx = self.pg0.get_capture(1)
+ rx = rx[0]
+ ether = rx[Ether]
+ ipv6 = rx[IPv6]
+ icmpv6 = rx[ICMPv6EchoReply]
+
+ self.assertEqual(ether.src, self.pg0.local_mac)
+ self.assertEqual(ether.dst, self.pg0.remote_mac)
+
+ self.assertEqual(ipv6.src, self.pg0.local_ip6)
+ self.assertEqual(ipv6.dst, self.pg0.remote_ip6)
+
+ self.assertEqual(icmp6types[icmpv6.type], "Echo Reply")
+ self.assertEqual(icmpv6.id, icmpv6_id)
+ self.assertEqual(icmpv6.seq, icmpv6_seq)
+ self.assertEqual(icmpv6.data, icmpv6_data)
+
+
class TestIPv6RD(TestIPv6ND):
""" IPv6 Router Discovery Test Case """
i.config_ip6()
def tearDown(self):
+ for i in self.interfaces:
+ i.unconfig_ip6()
+ i.admin_down()
super(TestIPv6RD, self).tearDown()
def test_rd_send_router_solicitation(self):
def setUp(self):
super(TestIP6Punt, self).setUp()
- self.create_pg_interfaces(range(2))
+ self.create_pg_interfaces(range(4))
for i in self.pg_interfaces:
i.admin_up()
#
# Configure a punt redirect via pg1.
#
- nh_addr = inet_pton(AF_INET6,
- self.pg1.remote_ip6)
+ nh_addr = VppIpAddress(self.pg1.remote_ip6).encode()
self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
self.pg1.sw_if_index,
- nh_addr,
- is_ip6=1)
+ nh_addr)
self.send_and_expect(self.pg0, pkts, self.pg1)
# but not equal to the number sent, since some were policed
#
rx = self.pg1._get_capture(1)
- self.assertTrue(len(rx) > 0)
- self.assertTrue(len(rx) < len(pkts))
+ self.assertGreater(len(rx), 0)
+ self.assertLess(len(rx), len(pkts))
#
# remove the poilcer. back to full rx
self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
self.pg1.sw_if_index,
nh_addr,
- is_add=0,
- is_ip6=1)
+ is_add=0)
self.send_and_assert_no_replies(self.pg0, pkts,
"IP no punt config")
#
self.vapi.ip_punt_redirect(0xffffffff,
self.pg1.sw_if_index,
- nh_addr,
- is_ip6=1)
+ nh_addr)
self.send_and_expect(self.pg0, pkts, self.pg1)
self.vapi.ip_punt_redirect(0xffffffff,
self.pg1.sw_if_index,
nh_addr,
- is_add=0,
- is_ip6=1)
+ is_add=0)
+
+ def test_ip_punt_dump(self):
+ """ IP6 punt redirect dump"""
+
+ #
+ # Configure a punt redirects
+ #
+ nh_addr = VppIpAddress(self.pg3.remote_ip6).encode()
+ self.vapi.ip_punt_redirect(self.pg0.sw_if_index,
+ self.pg3.sw_if_index,
+ nh_addr)
+ self.vapi.ip_punt_redirect(self.pg1.sw_if_index,
+ self.pg3.sw_if_index,
+ nh_addr)
+ self.vapi.ip_punt_redirect(self.pg2.sw_if_index,
+ self.pg3.sw_if_index,
+ VppIpAddress('0::0').encode())
+
+ #
+ # Dump pg0 punt redirects
+ #
+ punts = self.vapi.ip_punt_redirect_dump(self.pg0.sw_if_index,
+ is_ipv6=1)
+ for p in punts:
+ self.assertEqual(p.punt.rx_sw_if_index, self.pg0.sw_if_index)
+
+ #
+ # Dump punt redirects for all interfaces
+ #
+ punts = self.vapi.ip_punt_redirect_dump(0xffffffff, is_ipv6=1)
+ 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.un.ip6, self.pg3.remote_ip6)
+ self.assertEqual(punts[2].punt.nh.un.ip6.address, '\x00'*16)
+
+
+class TestIPDeag(VppTestCase):
+ """ IPv6 Deaggregate Routes """
+
+ def setUp(self):
+ super(TestIPDeag, self).setUp()
+
+ self.create_pg_interfaces(range(3))
+
+ for i in self.pg_interfaces:
+ i.admin_up()
+ i.config_ip6()
+ i.resolve_ndp()
+
+ def tearDown(self):
+ super(TestIPDeag, self).tearDown()
+ for i in self.pg_interfaces:
+ i.unconfig_ip6()
+ i.admin_down()
+
+ def test_ip_deag(self):
+ """ IP Deag Routes """
+
+ #
+ # Create a table to be used for:
+ # 1 - another destination address lookup
+ # 2 - a source address lookup
+ #
+ table_dst = VppIpTable(self, 1, is_ip6=1)
+ table_src = VppIpTable(self, 2, is_ip6=1)
+ table_dst.add_vpp_config()
+ table_src.add_vpp_config()
+
+ #
+ # Add a route in the default table to point to a deag/
+ # second lookup in each of these tables
+ #
+ route_to_dst = VppIpRoute(self, "1::1", 128,
+ [VppRoutePath("::",
+ 0xffffffff,
+ nh_table_id=1,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1)
+ route_to_src = VppIpRoute(self, "1::2", 128,
+ [VppRoutePath("::",
+ 0xffffffff,
+ nh_table_id=2,
+ is_source_lookup=1,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1)
+ route_to_dst.add_vpp_config()
+ route_to_src.add_vpp_config()
+
+ #
+ # packets to these destination are dropped, since they'll
+ # hit the respective default routes in the second table
+ #
+ p_dst = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IPv6(src="5::5", dst="1::1") /
+ TCP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ p_src = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IPv6(src="2::2", dst="1::2") /
+ TCP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+ pkts_dst = p_dst * 257
+ pkts_src = p_src * 257
+
+ self.send_and_assert_no_replies(self.pg0, pkts_dst,
+ "IP in dst table")
+ self.send_and_assert_no_replies(self.pg0, pkts_src,
+ "IP in src table")
+
+ #
+ # add a route in the dst table to forward via pg1
+ #
+ route_in_dst = VppIpRoute(self, "1::1", 128,
+ [VppRoutePath(self.pg1.remote_ip6,
+ self.pg1.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1,
+ table_id=1)
+ route_in_dst.add_vpp_config()
+
+ self.send_and_expect(self.pg0, pkts_dst, self.pg1)
+
+ #
+ # add a route in the src table to forward via pg2
+ #
+ route_in_src = VppIpRoute(self, "2::2", 128,
+ [VppRoutePath(self.pg2.remote_ip6,
+ self.pg2.sw_if_index,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1,
+ table_id=2)
+ route_in_src.add_vpp_config()
+ self.send_and_expect(self.pg0, pkts_src, self.pg2)
+
+ #
+ # loop in the lookup DP
+ #
+ route_loop = VppIpRoute(self, "3::3", 128,
+ [VppRoutePath("::",
+ 0xffffffff,
+ proto=DpoProto.DPO_PROTO_IP6)],
+ is_ip6=1)
+ route_loop.add_vpp_config()
+
+ p_l = (Ether(src=self.pg0.remote_mac,
+ dst=self.pg0.local_mac) /
+ IPv6(src="3::4", dst="3::3") /
+ TCP(sport=1234, dport=1234) /
+ Raw('\xa5' * 100))
+
+ self.send_and_assert_no_replies(self.pg0, p_l * 257,
+ "IP lookup loop")
class TestIP6Input(VppTestCase):
Code Review / vpp.git / blobdiff