Renato Botelho do Couto | ead1e53 | 2019-10-31 13:31:07 -0500 | [diff] [blame] | 1 | #!/usr/bin/env python3 |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 2 | |
Paul Vinciguerra | 582eac5 | 2020-04-03 12:18:40 -0400 | [diff] [blame] | 3 | import socket |
snaramre | 5d4b891 | 2019-12-13 23:39:35 +0000 | [diff] [blame] | 4 | from socket import inet_pton, inet_ntop |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 5 | import unittest |
| 6 | |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 7 | from parameterized import parameterized |
Paul Vinciguerra | a7427ec | 2019-03-10 10:04:23 -0700 | [diff] [blame] | 8 | import scapy.compat |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 9 | import scapy.layers.inet6 as inet6 |
Neale Ranns | dfef64b | 2021-05-20 16:28:12 +0000 | [diff] [blame^] | 10 | from scapy.layers.inet import UDP, IP |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 11 | from scapy.contrib.mpls import MPLS |
| 12 | from scapy.layers.inet6 import IPv6, ICMPv6ND_NS, ICMPv6ND_RS, \ |
| 13 | ICMPv6ND_RA, ICMPv6NDOptMTU, ICMPv6NDOptSrcLLAddr, ICMPv6NDOptPrefixInfo, \ |
| 14 | ICMPv6ND_NA, ICMPv6NDOptDstLLAddr, ICMPv6DestUnreach, icmp6types, \ |
Neale Ranns | f267d11 | 2020-02-07 09:45:07 +0000 | [diff] [blame] | 15 | ICMPv6TimeExceeded, ICMPv6EchoRequest, ICMPv6EchoReply, \ |
| 16 | IPv6ExtHdrHopByHop, ICMPv6MLReport2, ICMPv6MLDMultAddrRec |
Neale Ranns | dfef64b | 2021-05-20 16:28:12 +0000 | [diff] [blame^] | 17 | from scapy.layers.l2 import Ether, Dot1Q, GRE |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 18 | from scapy.packet import Raw |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 19 | from scapy.utils6 import in6_getnsma, in6_getnsmac, in6_ptop, in6_islladdr, \ |
| 20 | in6_mactoifaceid |
| 21 | from six import moves |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 22 | |
Andrew Yourtchenko | 06f3281 | 2021-01-14 10:19:08 +0000 | [diff] [blame] | 23 | from framework import VppTestCase, VppTestRunner, tag_run_solo |
Paul Vinciguerra | e8fece8 | 2019-02-28 15:34:00 -0800 | [diff] [blame] | 24 | from util import ppp, ip6_normalize, mk_ll_addr |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 25 | from vpp_papi import VppEnum |
Neale Ranns | 8f5fef2 | 2020-12-21 08:29:34 +0000 | [diff] [blame] | 26 | from vpp_ip import DpoProto, VppIpPuntPolicer, VppIpPuntRedirect, VppIpPathMtu |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 27 | from vpp_ip_route import VppIpRoute, VppRoutePath, find_route, VppIpMRoute, \ |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 28 | VppMRoutePath, VppMplsIpBind, \ |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 29 | VppMplsRoute, VppMplsTable, VppIpTable, FibPathType, FibPathProto, \ |
Neale Ranns | ec40a7d | 2020-04-23 07:36:12 +0000 | [diff] [blame] | 30 | VppIpInterfaceAddress, find_route_in_dump, find_mroute_in_dump, \ |
Neale Ranns | 976b259 | 2019-12-04 06:11:00 +0000 | [diff] [blame] | 31 | VppIp6LinkLocalAddress, VppIpRouteV2 |
Neale Ranns | b3b2de7 | 2017-03-08 05:17:22 -0800 | [diff] [blame] | 32 | from vpp_neighbor import find_nbr, VppNeighbor |
Neale Ranns | 8f5fef2 | 2020-12-21 08:29:34 +0000 | [diff] [blame] | 33 | from vpp_ipip_tun_interface import VppIpIpTunInterface |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 34 | from vpp_pg_interface import is_ipv6_misc |
| 35 | from vpp_sub_interface import VppSubInterface, VppDot1QSubint |
Brian Russell | 5214f3a | 2021-01-19 16:58:34 +0000 | [diff] [blame] | 36 | from vpp_policer import VppPolicer, PolicerAction |
Neale Ranns | efd7bc2 | 2019-11-11 08:32:34 +0000 | [diff] [blame] | 37 | from ipaddress import IPv6Network, IPv6Address |
Neale Ranns | dfef64b | 2021-05-20 16:28:12 +0000 | [diff] [blame^] | 38 | from vpp_gre_interface import VppGreInterface |
| 39 | from vpp_teib import VppTeib |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 40 | |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 41 | AF_INET6 = socket.AF_INET6 |
| 42 | |
Paul Vinciguerra | 1e18eb2 | 2018-11-25 16:09:26 -0800 | [diff] [blame] | 43 | try: |
| 44 | text_type = unicode |
| 45 | except NameError: |
| 46 | text_type = str |
| 47 | |
Paul Vinciguerra | 4271c97 | 2019-05-14 13:25:49 -0400 | [diff] [blame] | 48 | NUM_PKTS = 67 |
| 49 | |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 50 | |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 51 | class TestIPv6ND(VppTestCase): |
| 52 | def validate_ra(self, intf, rx, dst_ip=None): |
| 53 | if not dst_ip: |
| 54 | dst_ip = intf.remote_ip6 |
| 55 | |
| 56 | # unicasted packets must come to the unicast mac |
| 57 | self.assertEqual(rx[Ether].dst, intf.remote_mac) |
| 58 | |
| 59 | # and from the router's MAC |
| 60 | self.assertEqual(rx[Ether].src, intf.local_mac) |
| 61 | |
| 62 | # the rx'd RA should be addressed to the sender's source |
| 63 | self.assertTrue(rx.haslayer(ICMPv6ND_RA)) |
| 64 | self.assertEqual(in6_ptop(rx[IPv6].dst), |
| 65 | in6_ptop(dst_ip)) |
| 66 | |
| 67 | # and come from the router's link local |
| 68 | self.assertTrue(in6_islladdr(rx[IPv6].src)) |
| 69 | self.assertEqual(in6_ptop(rx[IPv6].src), |
| 70 | in6_ptop(mk_ll_addr(intf.local_mac))) |
| 71 | |
| 72 | def validate_na(self, intf, rx, dst_ip=None, tgt_ip=None): |
| 73 | if not dst_ip: |
| 74 | dst_ip = intf.remote_ip6 |
| 75 | if not tgt_ip: |
| 76 | dst_ip = intf.local_ip6 |
| 77 | |
| 78 | # unicasted packets must come to the unicast mac |
| 79 | self.assertEqual(rx[Ether].dst, intf.remote_mac) |
| 80 | |
| 81 | # and from the router's MAC |
| 82 | self.assertEqual(rx[Ether].src, intf.local_mac) |
| 83 | |
| 84 | # the rx'd NA should be addressed to the sender's source |
| 85 | self.assertTrue(rx.haslayer(ICMPv6ND_NA)) |
| 86 | self.assertEqual(in6_ptop(rx[IPv6].dst), |
| 87 | in6_ptop(dst_ip)) |
| 88 | |
| 89 | # and come from the target address |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 90 | self.assertEqual( |
| 91 | in6_ptop(rx[IPv6].src), in6_ptop(tgt_ip)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 92 | |
| 93 | # Dest link-layer options should have the router's MAC |
| 94 | dll = rx[ICMPv6NDOptDstLLAddr] |
| 95 | self.assertEqual(dll.lladdr, intf.local_mac) |
| 96 | |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 97 | def validate_ns(self, intf, rx, tgt_ip): |
| 98 | nsma = in6_getnsma(inet_pton(AF_INET6, tgt_ip)) |
| 99 | dst_ip = inet_ntop(AF_INET6, nsma) |
| 100 | |
| 101 | # NS is broadcast |
Neale Ranns | c7b8f20 | 2018-04-25 06:34:31 -0700 | [diff] [blame] | 102 | self.assertEqual(rx[Ether].dst, in6_getnsmac(nsma)) |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 103 | |
| 104 | # and from the router's MAC |
| 105 | self.assertEqual(rx[Ether].src, intf.local_mac) |
| 106 | |
| 107 | # the rx'd NS should be addressed to an mcast address |
| 108 | # derived from the target address |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 109 | self.assertEqual( |
| 110 | in6_ptop(rx[IPv6].dst), in6_ptop(dst_ip)) |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 111 | |
| 112 | # expect the tgt IP in the NS header |
| 113 | ns = rx[ICMPv6ND_NS] |
| 114 | self.assertEqual(in6_ptop(ns.tgt), in6_ptop(tgt_ip)) |
| 115 | |
| 116 | # packet is from the router's local address |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 117 | self.assertEqual( |
| 118 | in6_ptop(rx[IPv6].src), intf.local_ip6) |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 119 | |
| 120 | # Src link-layer options should have the router's MAC |
| 121 | sll = rx[ICMPv6NDOptSrcLLAddr] |
| 122 | self.assertEqual(sll.lladdr, intf.local_mac) |
| 123 | |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 124 | def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None, |
| 125 | filter_out_fn=is_ipv6_misc): |
| 126 | intf.add_stream(pkts) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 127 | self.pg_enable_capture(self.pg_interfaces) |
| 128 | self.pg_start() |
| 129 | rx = intf.get_capture(1, filter_out_fn=filter_out_fn) |
| 130 | |
| 131 | self.assertEqual(len(rx), 1) |
| 132 | rx = rx[0] |
| 133 | self.validate_ra(intf, rx, dst_ip) |
| 134 | |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 135 | def send_and_expect_na(self, intf, pkts, remark, dst_ip=None, |
| 136 | tgt_ip=None, |
| 137 | filter_out_fn=is_ipv6_misc): |
| 138 | intf.add_stream(pkts) |
| 139 | self.pg_enable_capture(self.pg_interfaces) |
| 140 | self.pg_start() |
| 141 | rx = intf.get_capture(1, filter_out_fn=filter_out_fn) |
| 142 | |
| 143 | self.assertEqual(len(rx), 1) |
| 144 | rx = rx[0] |
| 145 | self.validate_na(intf, rx, dst_ip, tgt_ip) |
| 146 | |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 147 | def send_and_expect_ns(self, tx_intf, rx_intf, pkts, tgt_ip, |
| 148 | filter_out_fn=is_ipv6_misc): |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 149 | self.vapi.cli("clear trace") |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 150 | tx_intf.add_stream(pkts) |
| 151 | self.pg_enable_capture(self.pg_interfaces) |
| 152 | self.pg_start() |
| 153 | rx = rx_intf.get_capture(1, filter_out_fn=filter_out_fn) |
| 154 | |
| 155 | self.assertEqual(len(rx), 1) |
| 156 | rx = rx[0] |
| 157 | self.validate_ns(rx_intf, rx, tgt_ip) |
| 158 | |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 159 | def verify_ip(self, rx, smac, dmac, sip, dip): |
| 160 | ether = rx[Ether] |
| 161 | self.assertEqual(ether.dst, dmac) |
| 162 | self.assertEqual(ether.src, smac) |
| 163 | |
| 164 | ip = rx[IPv6] |
| 165 | self.assertEqual(ip.src, sip) |
| 166 | self.assertEqual(ip.dst, dip) |
| 167 | |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 168 | |
Andrew Yourtchenko | 06f3281 | 2021-01-14 10:19:08 +0000 | [diff] [blame] | 169 | @tag_run_solo |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 170 | class TestIPv6(TestIPv6ND): |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 171 | """ IPv6 Test Case """ |
| 172 | |
| 173 | @classmethod |
| 174 | def setUpClass(cls): |
| 175 | super(TestIPv6, cls).setUpClass() |
| 176 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 177 | @classmethod |
| 178 | def tearDownClass(cls): |
| 179 | super(TestIPv6, cls).tearDownClass() |
| 180 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 181 | def setUp(self): |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 182 | """ |
| 183 | Perform test setup before test case. |
| 184 | |
| 185 | **Config:** |
| 186 | - create 3 pg interfaces |
| 187 | - untagged pg0 interface |
| 188 | - Dot1Q subinterface on pg1 |
| 189 | - Dot1AD subinterface on pg2 |
| 190 | - setup interfaces: |
| 191 | - put it into UP state |
| 192 | - set IPv6 addresses |
| 193 | - resolve neighbor address using NDP |
| 194 | - configure 200 fib entries |
| 195 | |
| 196 | :ivar list interfaces: pg interfaces and subinterfaces. |
| 197 | :ivar dict flows: IPv4 packet flows in test. |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 198 | |
| 199 | *TODO:* Create AD sub interface |
| 200 | """ |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 201 | super(TestIPv6, self).setUp() |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 202 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 203 | # create 3 pg interfaces |
| 204 | self.create_pg_interfaces(range(3)) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 205 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 206 | # create 2 subinterfaces for p1 and pg2 |
| 207 | self.sub_interfaces = [ |
| 208 | VppDot1QSubint(self, self.pg1, 100), |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 209 | VppDot1QSubint(self, self.pg2, 200) |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 210 | # TODO: VppDot1ADSubint(self, self.pg2, 200, 300, 400) |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 211 | ] |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 212 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 213 | # packet flows mapping pg0 -> pg1.sub, pg2.sub, etc. |
| 214 | self.flows = dict() |
| 215 | self.flows[self.pg0] = [self.pg1.sub_if, self.pg2.sub_if] |
| 216 | self.flows[self.pg1.sub_if] = [self.pg0, self.pg2.sub_if] |
| 217 | self.flows[self.pg2.sub_if] = [self.pg0, self.pg1.sub_if] |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 218 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 219 | # packet sizes |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 220 | self.pg_if_packet_sizes = [64, 1500, 9020] |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 221 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 222 | self.interfaces = list(self.pg_interfaces) |
| 223 | self.interfaces.extend(self.sub_interfaces) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 224 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 225 | # setup all interfaces |
| 226 | for i in self.interfaces: |
| 227 | i.admin_up() |
| 228 | i.config_ip6() |
| 229 | i.resolve_ndp() |
| 230 | |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 231 | def tearDown(self): |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 232 | """Run standard test teardown and log ``show ip6 neighbors``.""" |
Neale Ranns | 744902e | 2017-08-14 10:35:44 -0700 | [diff] [blame] | 233 | for i in self.interfaces: |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 234 | i.unconfig_ip6() |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 235 | i.admin_down() |
Neale Ranns | 744902e | 2017-08-14 10:35:44 -0700 | [diff] [blame] | 236 | for i in self.sub_interfaces: |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 237 | i.remove_vpp_config() |
| 238 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 239 | super(TestIPv6, self).tearDown() |
| 240 | if not self.vpp_dead: |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 241 | self.logger.info(self.vapi.cli("show ip6 neighbors")) |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 242 | # info(self.vapi.cli("show ip6 fib")) # many entries |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 243 | |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 244 | def modify_packet(self, src_if, packet_size, pkt): |
| 245 | """Add load, set destination IP and extend packet to required packet |
| 246 | size for defined interface. |
| 247 | |
| 248 | :param VppInterface src_if: Interface to create packet for. |
| 249 | :param int packet_size: Required packet size. |
| 250 | :param Scapy pkt: Packet to be modified. |
| 251 | """ |
snaramre | 07a0f21 | 2019-10-11 21:28:56 +0000 | [diff] [blame] | 252 | dst_if_idx = int(packet_size / 10 % 2) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 253 | dst_if = self.flows[src_if][dst_if_idx] |
| 254 | info = self.create_packet_info(src_if, dst_if) |
| 255 | payload = self.info_to_payload(info) |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 256 | p = pkt / Raw(payload) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 257 | p[IPv6].dst = dst_if.remote_ip6 |
| 258 | info.data = p.copy() |
| 259 | if isinstance(src_if, VppSubInterface): |
| 260 | p = src_if.add_dot1_layer(p) |
| 261 | self.extend_packet(p, packet_size) |
| 262 | |
| 263 | return p |
| 264 | |
| 265 | def create_stream(self, src_if): |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 266 | """Create input packet stream for defined interface. |
| 267 | |
| 268 | :param VppInterface src_if: Interface to create packet stream for. |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 269 | """ |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 270 | hdr_ext = 4 if isinstance(src_if, VppSubInterface) else 0 |
| 271 | pkt_tmpl = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / |
| 272 | IPv6(src=src_if.remote_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 273 | inet6.UDP(sport=1234, dport=1234)) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 274 | |
| 275 | pkts = [self.modify_packet(src_if, i, pkt_tmpl) |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 276 | for i in moves.range(self.pg_if_packet_sizes[0], |
| 277 | self.pg_if_packet_sizes[1], 10)] |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 278 | pkts_b = [self.modify_packet(src_if, i, pkt_tmpl) |
Paul Vinciguerra | a6fe463 | 2018-11-25 11:21:50 -0800 | [diff] [blame] | 279 | for i in moves.range(self.pg_if_packet_sizes[1] + hdr_ext, |
| 280 | self.pg_if_packet_sizes[2] + hdr_ext, |
| 281 | 50)] |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 282 | pkts.extend(pkts_b) |
| 283 | |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 284 | return pkts |
| 285 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 286 | def verify_capture(self, dst_if, capture): |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 287 | """Verify captured input packet stream for defined interface. |
| 288 | |
| 289 | :param VppInterface dst_if: Interface to verify captured packet stream |
| 290 | for. |
| 291 | :param list capture: Captured packet stream. |
| 292 | """ |
| 293 | self.logger.info("Verifying capture on interface %s" % dst_if.name) |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 294 | last_info = dict() |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 295 | for i in self.interfaces: |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 296 | last_info[i.sw_if_index] = None |
| 297 | is_sub_if = False |
| 298 | dst_sw_if_index = dst_if.sw_if_index |
| 299 | if hasattr(dst_if, 'parent'): |
| 300 | is_sub_if = True |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 301 | for packet in capture: |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 302 | if is_sub_if: |
| 303 | # Check VLAN tags and Ethernet header |
| 304 | packet = dst_if.remove_dot1_layer(packet) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 305 | self.assertTrue(Dot1Q not in packet) |
| 306 | try: |
| 307 | ip = packet[IPv6] |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 308 | udp = packet[inet6.UDP] |
Paul Vinciguerra | eaea421 | 2019-03-06 11:58:06 -0800 | [diff] [blame] | 309 | payload_info = self.payload_to_info(packet[Raw]) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 310 | packet_index = payload_info.index |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 311 | self.assertEqual(payload_info.dst, dst_sw_if_index) |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 312 | self.logger.debug( |
| 313 | "Got packet on port %s: src=%u (id=%u)" % |
| 314 | (dst_if.name, payload_info.src, packet_index)) |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 315 | next_info = self.get_next_packet_info_for_interface2( |
| 316 | payload_info.src, dst_sw_if_index, |
| 317 | last_info[payload_info.src]) |
| 318 | last_info[payload_info.src] = next_info |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 319 | self.assertTrue(next_info is not None) |
| 320 | self.assertEqual(packet_index, next_info.index) |
| 321 | saved_packet = next_info.data |
| 322 | # Check standard fields |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 323 | self.assertEqual( |
| 324 | ip.src, saved_packet[IPv6].src) |
| 325 | self.assertEqual( |
| 326 | ip.dst, saved_packet[IPv6].dst) |
| 327 | self.assertEqual( |
| 328 | udp.sport, saved_packet[inet6.UDP].sport) |
| 329 | self.assertEqual( |
| 330 | udp.dport, saved_packet[inet6.UDP].dport) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 331 | except: |
Klement Sekera | 7bb873a | 2016-11-18 07:38:42 +0100 | [diff] [blame] | 332 | self.logger.error(ppp("Unexpected or invalid packet:", packet)) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 333 | raise |
| 334 | for i in self.interfaces: |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 335 | remaining_packet = self.get_next_packet_info_for_interface2( |
| 336 | i.sw_if_index, dst_sw_if_index, last_info[i.sw_if_index]) |
Klement Sekera | 7bb873a | 2016-11-18 07:38:42 +0100 | [diff] [blame] | 337 | self.assertTrue(remaining_packet is None, |
| 338 | "Interface %s: Packet expected from interface %s " |
| 339 | "didn't arrive" % (dst_if.name, i.name)) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 340 | |
Klement Sekera | e849865 | 2019-06-17 12:23:15 +0000 | [diff] [blame] | 341 | def test_next_header_anomaly(self): |
| 342 | """ IPv6 next header anomaly test |
| 343 | |
| 344 | Test scenario: |
| 345 | - ipv6 next header field = Fragment Header (44) |
| 346 | - next header is ICMPv6 Echo Request |
| 347 | - wait for reassembly |
| 348 | """ |
| 349 | pkt = (Ether(src=self.pg0.local_mac, dst=self.pg0.remote_mac) / |
| 350 | IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6, nh=44) / |
| 351 | ICMPv6EchoRequest()) |
| 352 | |
| 353 | self.pg0.add_stream(pkt) |
| 354 | self.pg_start() |
| 355 | |
| 356 | # wait for reassembly |
| 357 | self.sleep(10) |
| 358 | |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 359 | def test_fib(self): |
Matej Klotton | 86d87c4 | 2016-11-11 11:38:55 +0100 | [diff] [blame] | 360 | """ IPv6 FIB test |
| 361 | |
| 362 | Test scenario: |
| 363 | - Create IPv6 stream for pg0 interface |
| 364 | - Create IPv6 tagged streams for pg1's and pg2's subinterface. |
| 365 | - Send and verify received packets on each interface. |
| 366 | """ |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 367 | |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 368 | pkts = self.create_stream(self.pg0) |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 369 | self.pg0.add_stream(pkts) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 370 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 371 | for i in self.sub_interfaces: |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 372 | pkts = self.create_stream(i) |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 373 | i.parent.add_stream(pkts) |
| 374 | |
| 375 | self.pg_enable_capture(self.pg_interfaces) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 376 | self.pg_start() |
| 377 | |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 378 | pkts = self.pg0.get_capture() |
| 379 | self.verify_capture(self.pg0, pkts) |
| 380 | |
| 381 | for i in self.sub_interfaces: |
| 382 | pkts = i.parent.get_capture() |
| 383 | self.verify_capture(i, pkts) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 384 | |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 385 | def test_ns(self): |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 386 | """ IPv6 Neighbour Solicitation Exceptions |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 387 | |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 388 | Test scenario: |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 389 | - Send an NS Sourced from an address not covered by the link sub-net |
| 390 | - Send an NS to an mcast address the router has not joined |
| 391 | - Send NS for a target address the router does not onn. |
| 392 | """ |
| 393 | |
| 394 | # |
| 395 | # An NS from a non link source address |
| 396 | # |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 397 | nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6)) |
| 398 | d = inet_ntop(AF_INET6, nsma) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 399 | |
| 400 | p = (Ether(dst=in6_getnsmac(nsma)) / |
| 401 | IPv6(dst=d, src="2002::2") / |
| 402 | ICMPv6ND_NS(tgt=self.pg0.local_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 403 | ICMPv6NDOptSrcLLAddr( |
| 404 | lladdr=self.pg0.remote_mac)) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 405 | pkts = [p] |
| 406 | |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 407 | self.send_and_assert_no_replies( |
| 408 | self.pg0, pkts, |
| 409 | "No response to NS source by address not on sub-net") |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 410 | |
| 411 | # |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 412 | # An NS for sent to a solicited mcast group the router is |
| 413 | # not a member of FAILS |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 414 | # |
| 415 | if 0: |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 416 | nsma = in6_getnsma(inet_pton(AF_INET6, "fd::ffff")) |
| 417 | d = inet_ntop(AF_INET6, nsma) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 418 | |
| 419 | p = (Ether(dst=in6_getnsmac(nsma)) / |
| 420 | IPv6(dst=d, src=self.pg0.remote_ip6) / |
| 421 | ICMPv6ND_NS(tgt=self.pg0.local_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 422 | ICMPv6NDOptSrcLLAddr( |
| 423 | lladdr=self.pg0.remote_mac)) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 424 | pkts = [p] |
| 425 | |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 426 | self.send_and_assert_no_replies( |
| 427 | self.pg0, pkts, |
| 428 | "No response to NS sent to unjoined mcast address") |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 429 | |
| 430 | # |
| 431 | # An NS whose target address is one the router does not own |
| 432 | # |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 433 | nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6)) |
| 434 | d = inet_ntop(AF_INET6, nsma) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 435 | |
| 436 | p = (Ether(dst=in6_getnsmac(nsma)) / |
| 437 | IPv6(dst=d, src=self.pg0.remote_ip6) / |
| 438 | ICMPv6ND_NS(tgt="fd::ffff") / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 439 | ICMPv6NDOptSrcLLAddr( |
| 440 | lladdr=self.pg0.remote_mac)) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 441 | pkts = [p] |
| 442 | |
| 443 | self.send_and_assert_no_replies(self.pg0, pkts, |
| 444 | "No response to NS for unknown target") |
| 445 | |
Neale Ranns | b3b2de7 | 2017-03-08 05:17:22 -0800 | [diff] [blame] | 446 | # |
| 447 | # A neighbor entry that has no associated FIB-entry |
| 448 | # |
| 449 | self.pg0.generate_remote_hosts(4) |
| 450 | nd_entry = VppNeighbor(self, |
| 451 | self.pg0.sw_if_index, |
| 452 | self.pg0.remote_hosts[2].mac, |
| 453 | self.pg0.remote_hosts[2].ip6, |
Neale Ranns | b3b2de7 | 2017-03-08 05:17:22 -0800 | [diff] [blame] | 454 | is_no_fib_entry=1) |
| 455 | nd_entry.add_vpp_config() |
| 456 | |
| 457 | # |
| 458 | # check we have the neighbor, but no route |
| 459 | # |
| 460 | self.assertTrue(find_nbr(self, |
| 461 | self.pg0.sw_if_index, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 462 | self.pg0._remote_hosts[2].ip6)) |
Neale Ranns | b3b2de7 | 2017-03-08 05:17:22 -0800 | [diff] [blame] | 463 | self.assertFalse(find_route(self, |
| 464 | self.pg0._remote_hosts[2].ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 465 | 128)) |
Neale Ranns | b3b2de7 | 2017-03-08 05:17:22 -0800 | [diff] [blame] | 466 | |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 467 | # |
| 468 | # send an NS from a link local address to the interface's global |
| 469 | # address |
| 470 | # |
| 471 | p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 472 | IPv6( |
| 473 | dst=d, src=self.pg0._remote_hosts[2].ip6_ll) / |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 474 | ICMPv6ND_NS(tgt=self.pg0.local_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 475 | ICMPv6NDOptSrcLLAddr( |
| 476 | lladdr=self.pg0.remote_mac)) |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 477 | |
| 478 | self.send_and_expect_na(self.pg0, p, |
| 479 | "NS from link-local", |
| 480 | dst_ip=self.pg0._remote_hosts[2].ip6_ll, |
| 481 | tgt_ip=self.pg0.local_ip6) |
| 482 | |
| 483 | # |
| 484 | # we should have learned an ND entry for the peer's link-local |
| 485 | # but not inserted a route to it in the FIB |
| 486 | # |
| 487 | self.assertTrue(find_nbr(self, |
| 488 | self.pg0.sw_if_index, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 489 | self.pg0._remote_hosts[2].ip6_ll)) |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 490 | self.assertFalse(find_route(self, |
| 491 | self.pg0._remote_hosts[2].ip6_ll, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 492 | 128)) |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 493 | |
| 494 | # |
| 495 | # An NS to the router's own Link-local |
| 496 | # |
| 497 | p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 498 | IPv6( |
| 499 | dst=d, src=self.pg0._remote_hosts[3].ip6_ll) / |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 500 | ICMPv6ND_NS(tgt=self.pg0.local_ip6_ll) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 501 | ICMPv6NDOptSrcLLAddr( |
| 502 | lladdr=self.pg0.remote_mac)) |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 503 | |
| 504 | self.send_and_expect_na(self.pg0, p, |
| 505 | "NS to/from link-local", |
| 506 | dst_ip=self.pg0._remote_hosts[3].ip6_ll, |
| 507 | tgt_ip=self.pg0.local_ip6_ll) |
| 508 | |
| 509 | # |
Neale Ranns | e2b6736 | 2021-04-02 07:34:39 +0000 | [diff] [blame] | 510 | # do not respond to a NS for the peer's address |
| 511 | # |
| 512 | p = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) / |
| 513 | IPv6(dst=d, |
| 514 | src=self.pg0._remote_hosts[3].ip6_ll) / |
| 515 | ICMPv6ND_NS(tgt=self.pg0._remote_hosts[3].ip6_ll) / |
| 516 | ICMPv6NDOptSrcLLAddr( |
| 517 | lladdr=self.pg0.remote_mac)) |
| 518 | |
| 519 | self.send_and_assert_no_replies(self.pg0, p) |
| 520 | |
| 521 | # |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 522 | # we should have learned an ND entry for the peer's link-local |
| 523 | # but not inserted a route to it in the FIB |
| 524 | # |
| 525 | self.assertTrue(find_nbr(self, |
| 526 | self.pg0.sw_if_index, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 527 | self.pg0._remote_hosts[3].ip6_ll)) |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 528 | self.assertFalse(find_route(self, |
| 529 | self.pg0._remote_hosts[3].ip6_ll, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 530 | 128)) |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 531 | |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 532 | def test_ns_duplicates(self): |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 533 | """ ND Duplicates""" |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 534 | |
| 535 | # |
| 536 | # Generate some hosts on the LAN |
| 537 | # |
| 538 | self.pg1.generate_remote_hosts(3) |
| 539 | |
| 540 | # |
| 541 | # Add host 1 on pg1 and pg2 |
| 542 | # |
| 543 | ns_pg1 = VppNeighbor(self, |
| 544 | self.pg1.sw_if_index, |
| 545 | self.pg1.remote_hosts[1].mac, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 546 | self.pg1.remote_hosts[1].ip6) |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 547 | ns_pg1.add_vpp_config() |
| 548 | ns_pg2 = VppNeighbor(self, |
| 549 | self.pg2.sw_if_index, |
| 550 | self.pg2.remote_mac, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 551 | self.pg1.remote_hosts[1].ip6) |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 552 | ns_pg2.add_vpp_config() |
| 553 | |
| 554 | # |
| 555 | # IP packet destined for pg1 remote host arrives on pg1 again. |
| 556 | # |
| 557 | p = (Ether(dst=self.pg0.local_mac, |
| 558 | src=self.pg0.remote_mac) / |
| 559 | IPv6(src=self.pg0.remote_ip6, |
| 560 | dst=self.pg1.remote_hosts[1].ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 561 | inet6.UDP(sport=1234, dport=1234) / |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 562 | Raw()) |
| 563 | |
| 564 | self.pg0.add_stream(p) |
| 565 | self.pg_enable_capture(self.pg_interfaces) |
| 566 | self.pg_start() |
| 567 | |
| 568 | rx1 = self.pg1.get_capture(1) |
| 569 | |
| 570 | self.verify_ip(rx1[0], |
| 571 | self.pg1.local_mac, |
| 572 | self.pg1.remote_hosts[1].mac, |
| 573 | self.pg0.remote_ip6, |
| 574 | self.pg1.remote_hosts[1].ip6) |
| 575 | |
| 576 | # |
| 577 | # remove the duplicate on pg1 |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 578 | # packet stream should generate NSs out of pg1 |
Neale Ranns | dcd6d62 | 2017-05-26 02:59:16 -0700 | [diff] [blame] | 579 | # |
| 580 | ns_pg1.remove_vpp_config() |
| 581 | |
| 582 | self.send_and_expect_ns(self.pg0, self.pg1, |
| 583 | p, self.pg1.remote_hosts[1].ip6) |
| 584 | |
| 585 | # |
| 586 | # Add it back |
| 587 | # |
| 588 | ns_pg1.add_vpp_config() |
| 589 | |
| 590 | self.pg0.add_stream(p) |
| 591 | self.pg_enable_capture(self.pg_interfaces) |
| 592 | self.pg_start() |
| 593 | |
| 594 | rx1 = self.pg1.get_capture(1) |
| 595 | |
| 596 | self.verify_ip(rx1[0], |
| 597 | self.pg1.local_mac, |
| 598 | self.pg1.remote_hosts[1].mac, |
| 599 | self.pg0.remote_ip6, |
| 600 | self.pg1.remote_hosts[1].ip6) |
| 601 | |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 602 | def validate_ra(self, intf, rx, dst_ip=None, src_ip=None, |
| 603 | mtu=9000, pi_opt=None): |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 604 | if not dst_ip: |
| 605 | dst_ip = intf.remote_ip6 |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 606 | if not src_ip: |
| 607 | src_ip = mk_ll_addr(intf.local_mac) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 608 | |
Neale Ranns | 5737d88 | 2017-02-03 06:14:49 -0800 | [diff] [blame] | 609 | # unicasted packets must come to the unicast mac |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 610 | self.assertEqual(rx[Ether].dst, intf.remote_mac) |
| 611 | |
| 612 | # and from the router's MAC |
| 613 | self.assertEqual(rx[Ether].src, intf.local_mac) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 614 | |
| 615 | # the rx'd RA should be addressed to the sender's source |
| 616 | self.assertTrue(rx.haslayer(ICMPv6ND_RA)) |
| 617 | self.assertEqual(in6_ptop(rx[IPv6].dst), |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 618 | in6_ptop(dst_ip)) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 619 | |
| 620 | # and come from the router's link local |
| 621 | self.assertTrue(in6_islladdr(rx[IPv6].src)) |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 622 | self.assertEqual(in6_ptop(rx[IPv6].src), in6_ptop(src_ip)) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 623 | |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 624 | # it should contain the links MTU |
| 625 | ra = rx[ICMPv6ND_RA] |
| 626 | self.assertEqual(ra[ICMPv6NDOptMTU].mtu, mtu) |
| 627 | |
| 628 | # it should contain the source's link layer address option |
| 629 | sll = ra[ICMPv6NDOptSrcLLAddr] |
| 630 | self.assertEqual(sll.lladdr, intf.local_mac) |
| 631 | |
| 632 | if not pi_opt: |
| 633 | # the RA should not contain prefix information |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 634 | self.assertFalse(ra.haslayer( |
| 635 | ICMPv6NDOptPrefixInfo)) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 636 | else: |
| 637 | raos = rx.getlayer(ICMPv6NDOptPrefixInfo, 1) |
| 638 | |
| 639 | # the options are nested in the scapy packet in way that i cannot |
| 640 | # decipher how to decode. this 1st layer of option always returns |
| 641 | # nested classes, so a direct obj1=obj2 comparison always fails. |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 642 | # however, the getlayer(.., 2) does give one instance. |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 643 | # so we cheat here and construct a new opt instance for comparison |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 644 | rd = ICMPv6NDOptPrefixInfo( |
| 645 | prefixlen=raos.prefixlen, |
| 646 | prefix=raos.prefix, |
| 647 | L=raos.L, |
| 648 | A=raos.A) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 649 | if type(pi_opt) is list: |
| 650 | for ii in range(len(pi_opt)): |
| 651 | self.assertEqual(pi_opt[ii], rd) |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 652 | rd = rx.getlayer( |
| 653 | ICMPv6NDOptPrefixInfo, ii + 2) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 654 | else: |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 655 | self.assertEqual(pi_opt, raos, 'Expected: %s, received: %s' |
| 656 | % (pi_opt.show(dump=True), |
| 657 | raos.show(dump=True))) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 658 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 659 | def send_and_expect_ra(self, intf, pkts, remark, dst_ip=None, |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 660 | filter_out_fn=is_ipv6_misc, |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 661 | opt=None, |
| 662 | src_ip=None): |
| 663 | self.vapi.cli("clear trace") |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 664 | intf.add_stream(pkts) |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 665 | self.pg_enable_capture(self.pg_interfaces) |
| 666 | self.pg_start() |
| 667 | rx = intf.get_capture(1, filter_out_fn=filter_out_fn) |
| 668 | |
| 669 | self.assertEqual(len(rx), 1) |
| 670 | rx = rx[0] |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 671 | self.validate_ra(intf, rx, dst_ip, src_ip=src_ip, pi_opt=opt) |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 672 | |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 673 | def test_rs(self): |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 674 | """ IPv6 Router Solicitation Exceptions |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 675 | |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 676 | Test scenario: |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 677 | """ |
| 678 | |
| 679 | # |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 680 | # Before we begin change the IPv6 RA responses to use the unicast |
| 681 | # address - that way we will not confuse them with the periodic |
| 682 | # RAs which go to the mcast address |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 683 | # Sit and wait for the first periodic RA. |
| 684 | # |
| 685 | # TODO |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 686 | # |
| 687 | self.pg0.ip6_ra_config(send_unicast=1) |
| 688 | |
| 689 | # |
| 690 | # An RS from a link source address |
| 691 | # - expect an RA in return |
| 692 | # |
| 693 | p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 694 | IPv6(dst=self.pg0.local_ip6, src=self.pg0.remote_ip6) / |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 695 | ICMPv6ND_RS()) |
| 696 | pkts = [p] |
| 697 | self.send_and_expect_ra(self.pg0, pkts, "Genuine RS") |
| 698 | |
| 699 | # |
| 700 | # For the next RS sent the RA should be rate limited |
| 701 | # |
| 702 | self.send_and_assert_no_replies(self.pg0, pkts, "RA rate limited") |
| 703 | |
| 704 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 705 | # When we reconfigure the IPv6 RA config, |
| 706 | # we reset the RA rate limiting, |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 707 | # so we need to do this before each test below so as not to drop |
| 708 | # packets for rate limiting reasons. Test this works here. |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 709 | # |
| 710 | self.pg0.ip6_ra_config(send_unicast=1) |
| 711 | self.send_and_expect_ra(self.pg0, pkts, "Rate limit reset RS") |
| 712 | |
| 713 | # |
| 714 | # An RS sent from a non-link local source |
| 715 | # |
| 716 | self.pg0.ip6_ra_config(send_unicast=1) |
| 717 | p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 718 | IPv6(dst=self.pg0.local_ip6, |
| 719 | src="2002::ffff") / |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 720 | ICMPv6ND_RS()) |
| 721 | pkts = [p] |
| 722 | self.send_and_assert_no_replies(self.pg0, pkts, |
| 723 | "RS from non-link source") |
| 724 | |
| 725 | # |
| 726 | # Source an RS from a link local address |
| 727 | # |
| 728 | self.pg0.ip6_ra_config(send_unicast=1) |
| 729 | ll = mk_ll_addr(self.pg0.remote_mac) |
| 730 | p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / |
| 731 | IPv6(dst=self.pg0.local_ip6, src=ll) / |
| 732 | ICMPv6ND_RS()) |
| 733 | pkts = [p] |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 734 | self.send_and_expect_ra(self.pg0, pkts, |
| 735 | "RS sourced from link-local", |
| 736 | dst_ip=ll) |
| 737 | |
| 738 | # |
| 739 | # Send the RS multicast |
| 740 | # |
| 741 | self.pg0.ip6_ra_config(send_unicast=1) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 742 | dmac = in6_getnsmac(inet_pton(AF_INET6, "ff02::2")) |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 743 | ll = mk_ll_addr(self.pg0.remote_mac) |
| 744 | p = (Ether(dst=dmac, src=self.pg0.remote_mac) / |
| 745 | IPv6(dst="ff02::2", src=ll) / |
| 746 | ICMPv6ND_RS()) |
| 747 | pkts = [p] |
| 748 | self.send_and_expect_ra(self.pg0, pkts, |
| 749 | "RS sourced from link-local", |
| 750 | dst_ip=ll) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 751 | |
| 752 | # |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 753 | # Source from the unspecified address ::. This happens when the RS |
| 754 | # is sent before the host has a configured address/sub-net, |
| 755 | # i.e. auto-config. Since the sender has no IP address, the reply |
| 756 | # comes back mcast - so the capture needs to not filter this. |
| 757 | # If we happen to pick up the periodic RA at this point then so be it, |
| 758 | # it's not an error. |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 759 | # |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 760 | self.pg0.ip6_ra_config(send_unicast=1, suppress=1) |
| 761 | p = (Ether(dst=dmac, src=self.pg0.remote_mac) / |
| 762 | IPv6(dst="ff02::2", src="::") / |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 763 | ICMPv6ND_RS()) |
| 764 | pkts = [p] |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 765 | self.send_and_expect_ra(self.pg0, pkts, |
| 766 | "RS sourced from unspecified", |
| 767 | dst_ip="ff02::1", |
| 768 | filter_out_fn=None) |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 769 | |
| 770 | # |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 771 | # Configure The RA to announce the links prefix |
| 772 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 773 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, |
| 774 | self.pg0.local_ip6_prefix_len)) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 775 | |
| 776 | # |
| 777 | # RAs should now contain the prefix information option |
| 778 | # |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 779 | opt = ICMPv6NDOptPrefixInfo( |
| 780 | prefixlen=self.pg0.local_ip6_prefix_len, |
| 781 | prefix=self.pg0.local_ip6, |
| 782 | L=1, |
| 783 | A=1) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 784 | |
| 785 | self.pg0.ip6_ra_config(send_unicast=1) |
| 786 | ll = mk_ll_addr(self.pg0.remote_mac) |
| 787 | p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / |
| 788 | IPv6(dst=self.pg0.local_ip6, src=ll) / |
| 789 | ICMPv6ND_RS()) |
| 790 | self.send_and_expect_ra(self.pg0, p, |
| 791 | "RA with prefix-info", |
| 792 | dst_ip=ll, |
| 793 | opt=opt) |
| 794 | |
| 795 | # |
| 796 | # Change the prefix info to not off-link |
| 797 | # L-flag is clear |
| 798 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 799 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, |
| 800 | self.pg0.local_ip6_prefix_len), |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 801 | off_link=1) |
| 802 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 803 | opt = ICMPv6NDOptPrefixInfo( |
| 804 | prefixlen=self.pg0.local_ip6_prefix_len, |
| 805 | prefix=self.pg0.local_ip6, |
| 806 | L=0, |
| 807 | A=1) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 808 | |
| 809 | self.pg0.ip6_ra_config(send_unicast=1) |
| 810 | self.send_and_expect_ra(self.pg0, p, |
| 811 | "RA with Prefix info with L-flag=0", |
| 812 | dst_ip=ll, |
| 813 | opt=opt) |
| 814 | |
| 815 | # |
| 816 | # Change the prefix info to not off-link, no-autoconfig |
| 817 | # L and A flag are clear in the advert |
| 818 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 819 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, |
| 820 | self.pg0.local_ip6_prefix_len), |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 821 | off_link=1, |
| 822 | no_autoconfig=1) |
| 823 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 824 | opt = ICMPv6NDOptPrefixInfo( |
| 825 | prefixlen=self.pg0.local_ip6_prefix_len, |
| 826 | prefix=self.pg0.local_ip6, |
| 827 | L=0, |
| 828 | A=0) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 829 | |
| 830 | self.pg0.ip6_ra_config(send_unicast=1) |
| 831 | self.send_and_expect_ra(self.pg0, p, |
| 832 | "RA with Prefix info with A & L-flag=0", |
| 833 | dst_ip=ll, |
| 834 | opt=opt) |
| 835 | |
| 836 | # |
| 837 | # Change the flag settings back to the defaults |
| 838 | # L and A flag are set in the advert |
| 839 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 840 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, |
| 841 | self.pg0.local_ip6_prefix_len)) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 842 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 843 | opt = ICMPv6NDOptPrefixInfo( |
| 844 | prefixlen=self.pg0.local_ip6_prefix_len, |
| 845 | prefix=self.pg0.local_ip6, |
| 846 | L=1, |
| 847 | A=1) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 848 | |
| 849 | self.pg0.ip6_ra_config(send_unicast=1) |
| 850 | self.send_and_expect_ra(self.pg0, p, |
| 851 | "RA with Prefix info", |
| 852 | dst_ip=ll, |
| 853 | opt=opt) |
| 854 | |
| 855 | # |
| 856 | # Change the prefix info to not off-link, no-autoconfig |
| 857 | # L and A flag are clear in the advert |
| 858 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 859 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, |
| 860 | self.pg0.local_ip6_prefix_len), |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 861 | off_link=1, |
| 862 | no_autoconfig=1) |
| 863 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 864 | opt = ICMPv6NDOptPrefixInfo( |
| 865 | prefixlen=self.pg0.local_ip6_prefix_len, |
| 866 | prefix=self.pg0.local_ip6, |
| 867 | L=0, |
| 868 | A=0) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 869 | |
| 870 | self.pg0.ip6_ra_config(send_unicast=1) |
| 871 | self.send_and_expect_ra(self.pg0, p, |
| 872 | "RA with Prefix info with A & L-flag=0", |
| 873 | dst_ip=ll, |
| 874 | opt=opt) |
| 875 | |
| 876 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 877 | # Use the reset to defaults option to revert to defaults |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 878 | # L and A flag are clear in the advert |
| 879 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 880 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, |
| 881 | self.pg0.local_ip6_prefix_len), |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 882 | use_default=1) |
| 883 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 884 | opt = ICMPv6NDOptPrefixInfo( |
| 885 | prefixlen=self.pg0.local_ip6_prefix_len, |
| 886 | prefix=self.pg0.local_ip6, |
| 887 | L=1, |
| 888 | A=1) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 889 | |
| 890 | self.pg0.ip6_ra_config(send_unicast=1) |
| 891 | self.send_and_expect_ra(self.pg0, p, |
| 892 | "RA with Prefix reverted to defaults", |
| 893 | dst_ip=ll, |
| 894 | opt=opt) |
| 895 | |
| 896 | # |
| 897 | # Advertise Another prefix. With no L-flag/A-flag |
| 898 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 899 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6, |
| 900 | self.pg1.local_ip6_prefix_len), |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 901 | off_link=1, |
| 902 | no_autoconfig=1) |
| 903 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 904 | opt = [ICMPv6NDOptPrefixInfo( |
| 905 | prefixlen=self.pg0.local_ip6_prefix_len, |
| 906 | prefix=self.pg0.local_ip6, |
| 907 | L=1, |
| 908 | A=1), |
| 909 | ICMPv6NDOptPrefixInfo( |
| 910 | prefixlen=self.pg1.local_ip6_prefix_len, |
| 911 | prefix=self.pg1.local_ip6, |
| 912 | L=0, |
| 913 | A=0)] |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 914 | |
| 915 | self.pg0.ip6_ra_config(send_unicast=1) |
| 916 | ll = mk_ll_addr(self.pg0.remote_mac) |
| 917 | p = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / |
| 918 | IPv6(dst=self.pg0.local_ip6, src=ll) / |
| 919 | ICMPv6ND_RS()) |
| 920 | self.send_and_expect_ra(self.pg0, p, |
| 921 | "RA with multiple Prefix infos", |
| 922 | dst_ip=ll, |
| 923 | opt=opt) |
| 924 | |
| 925 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 926 | # Remove the first prefix-info - expect the second is still in the |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 927 | # advert |
| 928 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 929 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg0.local_ip6, |
| 930 | self.pg0.local_ip6_prefix_len), |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 931 | is_no=1) |
| 932 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 933 | opt = ICMPv6NDOptPrefixInfo( |
| 934 | prefixlen=self.pg1.local_ip6_prefix_len, |
| 935 | prefix=self.pg1.local_ip6, |
| 936 | L=0, |
| 937 | A=0) |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 938 | |
| 939 | self.pg0.ip6_ra_config(send_unicast=1) |
| 940 | self.send_and_expect_ra(self.pg0, p, |
| 941 | "RA with Prefix reverted to defaults", |
| 942 | dst_ip=ll, |
| 943 | opt=opt) |
| 944 | |
| 945 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 946 | # Remove the second prefix-info - expect no prefix-info in the adverts |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 947 | # |
Paul Vinciguerra | ab05508 | 2019-06-06 14:07:55 -0400 | [diff] [blame] | 948 | self.pg0.ip6_ra_prefix('%s/%s' % (self.pg1.local_ip6, |
| 949 | self.pg1.local_ip6_prefix_len), |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 950 | is_no=1) |
| 951 | |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 952 | # |
| 953 | # change the link's link local, so we know that works too. |
| 954 | # |
| 955 | self.vapi.sw_interface_ip6_set_link_local_address( |
| 956 | sw_if_index=self.pg0.sw_if_index, |
| 957 | ip="fe80::88") |
| 958 | |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 959 | self.pg0.ip6_ra_config(send_unicast=1) |
| 960 | self.send_and_expect_ra(self.pg0, p, |
| 961 | "RA with Prefix reverted to defaults", |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 962 | dst_ip=ll, |
| 963 | src_ip="fe80::88") |
Neale Ranns | 87df12d | 2017-02-18 08:16:41 -0800 | [diff] [blame] | 964 | |
| 965 | # |
Neale Ranns | 5737d88 | 2017-02-03 06:14:49 -0800 | [diff] [blame] | 966 | # Reset the periodic advertisements back to default values |
Neale Ranns | 7515228 | 2017-01-09 01:00:45 -0800 | [diff] [blame] | 967 | # |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 968 | self.pg0.ip6_ra_config(no=1, suppress=1, send_unicast=0) |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 969 | |
Neale Ranns | f267d11 | 2020-02-07 09:45:07 +0000 | [diff] [blame] | 970 | def test_mld(self): |
| 971 | """ MLD Report """ |
| 972 | # |
| 973 | # test one MLD is sent after applying an IPv6 Address on an interface |
| 974 | # |
| 975 | self.pg_enable_capture(self.pg_interfaces) |
| 976 | self.pg_start() |
| 977 | |
| 978 | subitf = VppDot1QSubint(self, self.pg1, 99) |
| 979 | |
| 980 | subitf.admin_up() |
| 981 | subitf.config_ip6() |
| 982 | |
Neale Ranns | 03c254e | 2020-03-17 14:25:10 +0000 | [diff] [blame] | 983 | rxs = self.pg1._get_capture(timeout=4, filter_out_fn=None) |
Neale Ranns | f267d11 | 2020-02-07 09:45:07 +0000 | [diff] [blame] | 984 | |
| 985 | # |
| 986 | # hunt for the MLD on vlan 99 |
| 987 | # |
| 988 | for rx in rxs: |
| 989 | # make sure ipv6 packets with hop by hop options have |
| 990 | # correct checksums |
| 991 | self.assert_packet_checksums_valid(rx) |
| 992 | if rx.haslayer(IPv6ExtHdrHopByHop) and \ |
| 993 | rx.haslayer(Dot1Q) and \ |
| 994 | rx[Dot1Q].vlan == 99: |
| 995 | mld = rx[ICMPv6MLReport2] |
| 996 | |
| 997 | self.assertEqual(mld.records_number, 4) |
| 998 | |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 999 | |
Christian Hopps | f5d38e0 | 2020-05-04 10:28:03 -0400 | [diff] [blame] | 1000 | class TestIPv6RouteLookup(VppTestCase): |
| 1001 | """ IPv6 Route Lookup Test Case """ |
| 1002 | routes = [] |
| 1003 | |
| 1004 | def route_lookup(self, prefix, exact): |
| 1005 | return self.vapi.api(self.vapi.papi.ip_route_lookup, |
| 1006 | { |
| 1007 | 'table_id': 0, |
| 1008 | 'exact': exact, |
| 1009 | 'prefix': prefix, |
| 1010 | }) |
| 1011 | |
| 1012 | @classmethod |
| 1013 | def setUpClass(cls): |
| 1014 | super(TestIPv6RouteLookup, cls).setUpClass() |
| 1015 | |
| 1016 | @classmethod |
| 1017 | def tearDownClass(cls): |
| 1018 | super(TestIPv6RouteLookup, cls).tearDownClass() |
| 1019 | |
| 1020 | def setUp(self): |
| 1021 | super(TestIPv6RouteLookup, self).setUp() |
| 1022 | |
| 1023 | drop_nh = VppRoutePath("::1", 0xffffffff, |
| 1024 | type=FibPathType.FIB_PATH_TYPE_DROP) |
| 1025 | |
| 1026 | # Add 3 routes |
| 1027 | r = VppIpRoute(self, "2001:1111::", 32, [drop_nh]) |
| 1028 | r.add_vpp_config() |
| 1029 | self.routes.append(r) |
| 1030 | |
| 1031 | r = VppIpRoute(self, "2001:1111:2222::", 48, [drop_nh]) |
| 1032 | r.add_vpp_config() |
| 1033 | self.routes.append(r) |
| 1034 | |
| 1035 | r = VppIpRoute(self, "2001:1111:2222::1", 128, [drop_nh]) |
| 1036 | r.add_vpp_config() |
| 1037 | self.routes.append(r) |
| 1038 | |
| 1039 | def tearDown(self): |
| 1040 | # Remove the routes we added |
| 1041 | for r in self.routes: |
| 1042 | r.remove_vpp_config() |
| 1043 | |
| 1044 | super(TestIPv6RouteLookup, self).tearDown() |
| 1045 | |
| 1046 | def test_exact_match(self): |
| 1047 | # Verify we find the host route |
| 1048 | prefix = "2001:1111:2222::1/128" |
| 1049 | result = self.route_lookup(prefix, True) |
| 1050 | assert (prefix == str(result.route.prefix)) |
| 1051 | |
| 1052 | # Verify we find a middle prefix route |
| 1053 | prefix = "2001:1111:2222::/48" |
| 1054 | result = self.route_lookup(prefix, True) |
| 1055 | assert (prefix == str(result.route.prefix)) |
| 1056 | |
| 1057 | # Verify we do not find an available LPM. |
| 1058 | with self.vapi.assert_negative_api_retval(): |
| 1059 | self.route_lookup("2001::2/128", True) |
| 1060 | |
| 1061 | def test_longest_prefix_match(self): |
| 1062 | # verify we find lpm |
| 1063 | lpm_prefix = "2001:1111:2222::/48" |
| 1064 | result = self.route_lookup("2001:1111:2222::2/128", False) |
| 1065 | assert (lpm_prefix == str(result.route.prefix)) |
| 1066 | |
| 1067 | # Verify we find the exact when not requested |
| 1068 | result = self.route_lookup(lpm_prefix, False) |
| 1069 | assert (lpm_prefix == str(result.route.prefix)) |
| 1070 | |
| 1071 | # Can't seem to delete the default route so no negative LPM test. |
| 1072 | |
| 1073 | |
Matthew Smith | 6c92f5b | 2019-08-07 11:46:30 -0500 | [diff] [blame] | 1074 | class TestIPv6IfAddrRoute(VppTestCase): |
| 1075 | """ IPv6 Interface Addr Route Test Case """ |
| 1076 | |
| 1077 | @classmethod |
| 1078 | def setUpClass(cls): |
| 1079 | super(TestIPv6IfAddrRoute, cls).setUpClass() |
| 1080 | |
| 1081 | @classmethod |
| 1082 | def tearDownClass(cls): |
| 1083 | super(TestIPv6IfAddrRoute, cls).tearDownClass() |
| 1084 | |
| 1085 | def setUp(self): |
| 1086 | super(TestIPv6IfAddrRoute, self).setUp() |
| 1087 | |
| 1088 | # create 1 pg interface |
| 1089 | self.create_pg_interfaces(range(1)) |
| 1090 | |
| 1091 | for i in self.pg_interfaces: |
| 1092 | i.admin_up() |
| 1093 | i.config_ip6() |
| 1094 | i.resolve_ndp() |
| 1095 | |
| 1096 | def tearDown(self): |
| 1097 | super(TestIPv6IfAddrRoute, self).tearDown() |
| 1098 | for i in self.pg_interfaces: |
| 1099 | i.unconfig_ip6() |
| 1100 | i.admin_down() |
| 1101 | |
| 1102 | def test_ipv6_ifaddrs_same_prefix(self): |
| 1103 | """ IPv6 Interface Addresses Same Prefix test |
| 1104 | |
| 1105 | Test scenario: |
| 1106 | |
| 1107 | - Verify no route in FIB for prefix 2001:10::/64 |
| 1108 | - Configure IPv4 address 2001:10::10/64 on an interface |
| 1109 | - Verify route in FIB for prefix 2001:10::/64 |
| 1110 | - Configure IPv4 address 2001:10::20/64 on an interface |
| 1111 | - Delete 2001:10::10/64 from interface |
| 1112 | - Verify route in FIB for prefix 2001:10::/64 |
| 1113 | - Delete 2001:10::20/64 from interface |
| 1114 | - Verify no route in FIB for prefix 2001:10::/64 |
| 1115 | """ |
| 1116 | |
| 1117 | addr1 = "2001:10::10" |
| 1118 | addr2 = "2001:10::20" |
| 1119 | |
Neale Ranns | efd7bc2 | 2019-11-11 08:32:34 +0000 | [diff] [blame] | 1120 | if_addr1 = VppIpInterfaceAddress(self, self.pg0, addr1, 64) |
| 1121 | if_addr2 = VppIpInterfaceAddress(self, self.pg0, addr2, 64) |
| 1122 | self.assertFalse(if_addr1.query_vpp_config()) |
Matthew Smith | 6c92f5b | 2019-08-07 11:46:30 -0500 | [diff] [blame] | 1123 | self.assertFalse(find_route(self, addr1, 128)) |
| 1124 | self.assertFalse(find_route(self, addr2, 128)) |
| 1125 | |
| 1126 | # configure first address, verify route present |
| 1127 | if_addr1.add_vpp_config() |
Neale Ranns | efd7bc2 | 2019-11-11 08:32:34 +0000 | [diff] [blame] | 1128 | self.assertTrue(if_addr1.query_vpp_config()) |
Matthew Smith | 6c92f5b | 2019-08-07 11:46:30 -0500 | [diff] [blame] | 1129 | self.assertTrue(find_route(self, addr1, 128)) |
| 1130 | self.assertFalse(find_route(self, addr2, 128)) |
| 1131 | |
| 1132 | # configure second address, delete first, verify route not removed |
| 1133 | if_addr2.add_vpp_config() |
| 1134 | if_addr1.remove_vpp_config() |
Neale Ranns | efd7bc2 | 2019-11-11 08:32:34 +0000 | [diff] [blame] | 1135 | self.assertFalse(if_addr1.query_vpp_config()) |
| 1136 | self.assertTrue(if_addr2.query_vpp_config()) |
Matthew Smith | 6c92f5b | 2019-08-07 11:46:30 -0500 | [diff] [blame] | 1137 | self.assertFalse(find_route(self, addr1, 128)) |
| 1138 | self.assertTrue(find_route(self, addr2, 128)) |
| 1139 | |
| 1140 | # delete second address, verify route removed |
| 1141 | if_addr2.remove_vpp_config() |
Neale Ranns | efd7bc2 | 2019-11-11 08:32:34 +0000 | [diff] [blame] | 1142 | self.assertFalse(if_addr1.query_vpp_config()) |
Matthew Smith | 6c92f5b | 2019-08-07 11:46:30 -0500 | [diff] [blame] | 1143 | self.assertFalse(find_route(self, addr1, 128)) |
| 1144 | self.assertFalse(find_route(self, addr2, 128)) |
| 1145 | |
yedg | dbd366b | 2020-05-14 10:51:53 +0800 | [diff] [blame] | 1146 | def test_ipv6_ifaddr_del(self): |
| 1147 | """ Delete an interface address that does not exist """ |
| 1148 | |
| 1149 | loopbacks = self.create_loopback_interfaces(1) |
| 1150 | lo = self.lo_interfaces[0] |
| 1151 | |
| 1152 | lo.config_ip6() |
| 1153 | lo.admin_up() |
| 1154 | |
| 1155 | # |
| 1156 | # try and remove pg0's subnet from lo |
| 1157 | # |
| 1158 | with self.vapi.assert_negative_api_retval(): |
| 1159 | self.vapi.sw_interface_add_del_address( |
| 1160 | sw_if_index=lo.sw_if_index, |
| 1161 | prefix=self.pg0.local_ip6_prefix, |
| 1162 | is_add=0) |
| 1163 | |
Matthew Smith | 6c92f5b | 2019-08-07 11:46:30 -0500 | [diff] [blame] | 1164 | |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1165 | class TestICMPv6Echo(VppTestCase): |
| 1166 | """ ICMPv6 Echo Test Case """ |
| 1167 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1168 | @classmethod |
| 1169 | def setUpClass(cls): |
| 1170 | super(TestICMPv6Echo, cls).setUpClass() |
| 1171 | |
| 1172 | @classmethod |
| 1173 | def tearDownClass(cls): |
| 1174 | super(TestICMPv6Echo, cls).tearDownClass() |
| 1175 | |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1176 | def setUp(self): |
| 1177 | super(TestICMPv6Echo, self).setUp() |
| 1178 | |
| 1179 | # create 1 pg interface |
| 1180 | self.create_pg_interfaces(range(1)) |
| 1181 | |
| 1182 | for i in self.pg_interfaces: |
| 1183 | i.admin_up() |
| 1184 | i.config_ip6() |
Benoît Ganne | 2699fe2 | 2021-01-18 19:25:38 +0100 | [diff] [blame] | 1185 | i.resolve_ndp(link_layer=True) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1186 | i.resolve_ndp() |
| 1187 | |
| 1188 | def tearDown(self): |
| 1189 | super(TestICMPv6Echo, self).tearDown() |
| 1190 | for i in self.pg_interfaces: |
| 1191 | i.unconfig_ip6() |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1192 | i.admin_down() |
| 1193 | |
| 1194 | def test_icmpv6_echo(self): |
| 1195 | """ VPP replies to ICMPv6 Echo Request |
| 1196 | |
| 1197 | Test scenario: |
| 1198 | |
| 1199 | - Receive ICMPv6 Echo Request message on pg0 interface. |
| 1200 | - Check outgoing ICMPv6 Echo Reply message on pg0 interface. |
| 1201 | """ |
| 1202 | |
Benoît Ganne | 2699fe2 | 2021-01-18 19:25:38 +0100 | [diff] [blame] | 1203 | # test both with global and local ipv6 addresses |
| 1204 | dsts = (self.pg0.local_ip6, self.pg0.local_ip6_ll) |
| 1205 | id = 0xb |
| 1206 | seq = 5 |
| 1207 | data = b'\x0a' * 18 |
| 1208 | p = list() |
| 1209 | for dst in dsts: |
| 1210 | p.append((Ether(src=self.pg0.remote_mac, dst=self.pg0.local_mac) / |
| 1211 | IPv6(src=self.pg0.remote_ip6, dst=dst) / |
| 1212 | ICMPv6EchoRequest(id=id, seq=seq, data=data))) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1213 | |
Benoît Ganne | 2699fe2 | 2021-01-18 19:25:38 +0100 | [diff] [blame] | 1214 | self.pg0.add_stream(p) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1215 | self.pg_enable_capture(self.pg_interfaces) |
| 1216 | self.pg_start() |
Benoît Ganne | 2699fe2 | 2021-01-18 19:25:38 +0100 | [diff] [blame] | 1217 | rxs = self.pg0.get_capture(len(dsts)) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1218 | |
Benoît Ganne | 2699fe2 | 2021-01-18 19:25:38 +0100 | [diff] [blame] | 1219 | for rx, dst in zip(rxs, dsts): |
| 1220 | ether = rx[Ether] |
| 1221 | ipv6 = rx[IPv6] |
| 1222 | icmpv6 = rx[ICMPv6EchoReply] |
| 1223 | self.assertEqual(ether.src, self.pg0.local_mac) |
| 1224 | self.assertEqual(ether.dst, self.pg0.remote_mac) |
| 1225 | self.assertEqual(ipv6.src, dst) |
| 1226 | self.assertEqual(ipv6.dst, self.pg0.remote_ip6) |
| 1227 | self.assertEqual(icmp6types[icmpv6.type], "Echo Reply") |
| 1228 | self.assertEqual(icmpv6.id, id) |
| 1229 | self.assertEqual(icmpv6.seq, seq) |
| 1230 | self.assertEqual(icmpv6.data, data) |
Jan Gelety | e6c78ee | 2018-06-26 12:24:03 +0200 | [diff] [blame] | 1231 | |
| 1232 | |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 1233 | class TestIPv6RD(TestIPv6ND): |
| 1234 | """ IPv6 Router Discovery Test Case """ |
| 1235 | |
| 1236 | @classmethod |
| 1237 | def setUpClass(cls): |
| 1238 | super(TestIPv6RD, cls).setUpClass() |
| 1239 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1240 | @classmethod |
| 1241 | def tearDownClass(cls): |
| 1242 | super(TestIPv6RD, cls).tearDownClass() |
| 1243 | |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 1244 | def setUp(self): |
| 1245 | super(TestIPv6RD, self).setUp() |
| 1246 | |
| 1247 | # create 2 pg interfaces |
| 1248 | self.create_pg_interfaces(range(2)) |
| 1249 | |
| 1250 | self.interfaces = list(self.pg_interfaces) |
| 1251 | |
| 1252 | # setup all interfaces |
| 1253 | for i in self.interfaces: |
| 1254 | i.admin_up() |
| 1255 | i.config_ip6() |
| 1256 | |
| 1257 | def tearDown(self): |
Neale Ranns | 744902e | 2017-08-14 10:35:44 -0700 | [diff] [blame] | 1258 | for i in self.interfaces: |
| 1259 | i.unconfig_ip6() |
| 1260 | i.admin_down() |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 1261 | super(TestIPv6RD, self).tearDown() |
| 1262 | |
| 1263 | def test_rd_send_router_solicitation(self): |
| 1264 | """ Verify router solicitation packets """ |
| 1265 | |
| 1266 | count = 2 |
| 1267 | self.pg_enable_capture(self.pg_interfaces) |
| 1268 | self.pg_start() |
| 1269 | self.vapi.ip6nd_send_router_solicitation(self.pg1.sw_if_index, |
| 1270 | mrc=count) |
| 1271 | rx_list = self.pg1.get_capture(count, timeout=3) |
| 1272 | self.assertEqual(len(rx_list), count) |
| 1273 | for packet in rx_list: |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1274 | self.assertEqual(packet.haslayer(IPv6), 1) |
| 1275 | self.assertEqual(packet[IPv6].haslayer( |
| 1276 | ICMPv6ND_RS), 1) |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 1277 | dst = ip6_normalize(packet[IPv6].dst) |
| 1278 | dst2 = ip6_normalize("ff02::2") |
| 1279 | self.assert_equal(dst, dst2) |
| 1280 | src = ip6_normalize(packet[IPv6].src) |
| 1281 | src2 = ip6_normalize(self.pg1.local_ip6_ll) |
| 1282 | self.assert_equal(src, src2) |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1283 | self.assertTrue( |
| 1284 | bool(packet[ICMPv6ND_RS].haslayer( |
| 1285 | ICMPv6NDOptSrcLLAddr))) |
| 1286 | self.assert_equal( |
| 1287 | packet[ICMPv6NDOptSrcLLAddr].lladdr, |
| 1288 | self.pg1.local_mac) |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 1289 | |
| 1290 | def verify_prefix_info(self, reported_prefix, prefix_option): |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 1291 | prefix = IPv6Network( |
Paul Vinciguerra | 1e18eb2 | 2018-11-25 16:09:26 -0800 | [diff] [blame] | 1292 | text_type(prefix_option.getfieldval("prefix") + |
| 1293 | "/" + |
| 1294 | text_type(prefix_option.getfieldval("prefixlen"))), |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 1295 | strict=False) |
| 1296 | self.assert_equal(reported_prefix.prefix.network_address, |
| 1297 | prefix.network_address) |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 1298 | L = prefix_option.getfieldval("L") |
| 1299 | A = prefix_option.getfieldval("A") |
| 1300 | option_flags = (L << 7) | (A << 6) |
| 1301 | self.assert_equal(reported_prefix.flags, option_flags) |
| 1302 | self.assert_equal(reported_prefix.valid_time, |
| 1303 | prefix_option.getfieldval("validlifetime")) |
| 1304 | self.assert_equal(reported_prefix.preferred_time, |
| 1305 | prefix_option.getfieldval("preferredlifetime")) |
| 1306 | |
| 1307 | def test_rd_receive_router_advertisement(self): |
| 1308 | """ Verify events triggered by received RA packets """ |
| 1309 | |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1310 | self.vapi.want_ip6_ra_events(enable=1) |
Juraj Sloboda | 4b9669d | 2018-01-15 10:39:21 +0100 | [diff] [blame] | 1311 | |
| 1312 | prefix_info_1 = ICMPv6NDOptPrefixInfo( |
| 1313 | prefix="1::2", |
| 1314 | prefixlen=50, |
| 1315 | validlifetime=200, |
| 1316 | preferredlifetime=500, |
| 1317 | L=1, |
| 1318 | A=1, |
| 1319 | ) |
| 1320 | |
| 1321 | prefix_info_2 = ICMPv6NDOptPrefixInfo( |
| 1322 | prefix="7::4", |
| 1323 | prefixlen=20, |
| 1324 | validlifetime=70, |
| 1325 | preferredlifetime=1000, |
| 1326 | L=1, |
| 1327 | A=0, |
| 1328 | ) |
| 1329 | |
| 1330 | p = (Ether(dst=self.pg1.local_mac, src=self.pg1.remote_mac) / |
| 1331 | IPv6(dst=self.pg1.local_ip6_ll, |
| 1332 | src=mk_ll_addr(self.pg1.remote_mac)) / |
| 1333 | ICMPv6ND_RA() / |
| 1334 | prefix_info_1 / |
| 1335 | prefix_info_2) |
| 1336 | self.pg1.add_stream([p]) |
| 1337 | self.pg_start() |
| 1338 | |
| 1339 | ev = self.vapi.wait_for_event(10, "ip6_ra_event") |
| 1340 | |
| 1341 | self.assert_equal(ev.current_hop_limit, 0) |
| 1342 | self.assert_equal(ev.flags, 8) |
| 1343 | self.assert_equal(ev.router_lifetime_in_sec, 1800) |
| 1344 | self.assert_equal(ev.neighbor_reachable_time_in_msec, 0) |
| 1345 | self.assert_equal( |
| 1346 | ev.time_in_msec_between_retransmitted_neighbor_solicitations, 0) |
| 1347 | |
| 1348 | self.assert_equal(ev.n_prefixes, 2) |
| 1349 | |
| 1350 | self.verify_prefix_info(ev.prefixes[0], prefix_info_1) |
| 1351 | self.verify_prefix_info(ev.prefixes[1], prefix_info_2) |
| 1352 | |
| 1353 | |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1354 | class TestIPv6RDControlPlane(TestIPv6ND): |
| 1355 | """ IPv6 Router Discovery Control Plane Test Case """ |
| 1356 | |
| 1357 | @classmethod |
| 1358 | def setUpClass(cls): |
| 1359 | super(TestIPv6RDControlPlane, cls).setUpClass() |
| 1360 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1361 | @classmethod |
| 1362 | def tearDownClass(cls): |
| 1363 | super(TestIPv6RDControlPlane, cls).tearDownClass() |
| 1364 | |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1365 | def setUp(self): |
| 1366 | super(TestIPv6RDControlPlane, self).setUp() |
| 1367 | |
| 1368 | # create 1 pg interface |
| 1369 | self.create_pg_interfaces(range(1)) |
| 1370 | |
| 1371 | self.interfaces = list(self.pg_interfaces) |
| 1372 | |
| 1373 | # setup all interfaces |
| 1374 | for i in self.interfaces: |
| 1375 | i.admin_up() |
| 1376 | i.config_ip6() |
| 1377 | |
| 1378 | def tearDown(self): |
| 1379 | super(TestIPv6RDControlPlane, self).tearDown() |
| 1380 | |
| 1381 | @staticmethod |
| 1382 | def create_ra_packet(pg, routerlifetime=None): |
| 1383 | src_ip = pg.remote_ip6_ll |
| 1384 | dst_ip = pg.local_ip6 |
| 1385 | if routerlifetime is not None: |
| 1386 | ra = ICMPv6ND_RA(routerlifetime=routerlifetime) |
| 1387 | else: |
| 1388 | ra = ICMPv6ND_RA() |
| 1389 | p = (Ether(dst=pg.local_mac, src=pg.remote_mac) / |
| 1390 | IPv6(dst=dst_ip, src=src_ip) / ra) |
| 1391 | return p |
| 1392 | |
| 1393 | @staticmethod |
| 1394 | def get_default_routes(fib): |
| 1395 | list = [] |
| 1396 | for entry in fib: |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1397 | if entry.route.prefix.prefixlen == 0: |
| 1398 | for path in entry.route.paths: |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1399 | if path.sw_if_index != 0xFFFFFFFF: |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1400 | defaut_route = {} |
| 1401 | defaut_route['sw_if_index'] = path.sw_if_index |
| 1402 | defaut_route['next_hop'] = path.nh.address.ip6 |
| 1403 | list.append(defaut_route) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1404 | return list |
| 1405 | |
| 1406 | @staticmethod |
| 1407 | def get_interface_addresses(fib, pg): |
| 1408 | list = [] |
| 1409 | for entry in fib: |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1410 | if entry.route.prefix.prefixlen == 128: |
| 1411 | path = entry.route.paths[0] |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1412 | if path.sw_if_index == pg.sw_if_index: |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1413 | list.append(str(entry.route.prefix.network_address)) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1414 | return list |
| 1415 | |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1416 | def wait_for_no_default_route(self, n_tries=50, s_time=1): |
| 1417 | while (n_tries): |
| 1418 | fib = self.vapi.ip_route_dump(0, True) |
| 1419 | default_routes = self.get_default_routes(fib) |
Ole Troan | 6e6ad64 | 2020-02-04 13:28:13 +0100 | [diff] [blame] | 1420 | if 0 == len(default_routes): |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1421 | return True |
| 1422 | n_tries = n_tries - 1 |
| 1423 | self.sleep(s_time) |
| 1424 | |
| 1425 | return False |
| 1426 | |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1427 | def test_all(self): |
| 1428 | """ Test handling of SLAAC addresses and default routes """ |
| 1429 | |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1430 | fib = self.vapi.ip_route_dump(0, True) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1431 | default_routes = self.get_default_routes(fib) |
| 1432 | initial_addresses = set(self.get_interface_addresses(fib, self.pg0)) |
| 1433 | self.assertEqual(default_routes, []) |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1434 | router_address = IPv6Address(text_type(self.pg0.remote_ip6_ll)) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1435 | |
| 1436 | self.vapi.ip6_nd_address_autoconfig(self.pg0.sw_if_index, 1, 1) |
| 1437 | |
| 1438 | self.sleep(0.1) |
| 1439 | |
| 1440 | # send RA |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1441 | packet = (self.create_ra_packet( |
| 1442 | self.pg0) / ICMPv6NDOptPrefixInfo( |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1443 | prefix="1::", |
| 1444 | prefixlen=64, |
| 1445 | validlifetime=2, |
| 1446 | preferredlifetime=2, |
| 1447 | L=1, |
| 1448 | A=1, |
| 1449 | ) / ICMPv6NDOptPrefixInfo( |
| 1450 | prefix="7::", |
| 1451 | prefixlen=20, |
| 1452 | validlifetime=1500, |
| 1453 | preferredlifetime=1000, |
| 1454 | L=1, |
| 1455 | A=0, |
| 1456 | )) |
| 1457 | self.pg0.add_stream([packet]) |
| 1458 | self.pg_start() |
| 1459 | |
Andrew Yourtchenko | 63cb882 | 2019-10-13 18:56:03 +0000 | [diff] [blame] | 1460 | self.sleep_on_vpp_time(0.1) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1461 | |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1462 | fib = self.vapi.ip_route_dump(0, True) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1463 | |
| 1464 | # check FIB for new address |
| 1465 | addresses = set(self.get_interface_addresses(fib, self.pg0)) |
| 1466 | new_addresses = addresses.difference(initial_addresses) |
| 1467 | self.assertEqual(len(new_addresses), 1) |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1468 | prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)), |
| 1469 | strict=False) |
| 1470 | self.assertEqual(prefix, IPv6Network(text_type('1::/20'))) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1471 | |
| 1472 | # check FIB for new default route |
| 1473 | default_routes = self.get_default_routes(fib) |
| 1474 | self.assertEqual(len(default_routes), 1) |
| 1475 | dr = default_routes[0] |
| 1476 | self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index) |
| 1477 | self.assertEqual(dr['next_hop'], router_address) |
| 1478 | |
| 1479 | # send RA to delete default route |
| 1480 | packet = self.create_ra_packet(self.pg0, routerlifetime=0) |
| 1481 | self.pg0.add_stream([packet]) |
| 1482 | self.pg_start() |
| 1483 | |
Andrew Yourtchenko | 63cb882 | 2019-10-13 18:56:03 +0000 | [diff] [blame] | 1484 | self.sleep_on_vpp_time(0.1) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1485 | |
| 1486 | # check that default route is deleted |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1487 | fib = self.vapi.ip_route_dump(0, True) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1488 | default_routes = self.get_default_routes(fib) |
| 1489 | self.assertEqual(len(default_routes), 0) |
| 1490 | |
Andrew Yourtchenko | 63cb882 | 2019-10-13 18:56:03 +0000 | [diff] [blame] | 1491 | self.sleep_on_vpp_time(0.1) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1492 | |
| 1493 | # send RA |
| 1494 | packet = self.create_ra_packet(self.pg0) |
| 1495 | self.pg0.add_stream([packet]) |
| 1496 | self.pg_start() |
| 1497 | |
Andrew Yourtchenko | 63cb882 | 2019-10-13 18:56:03 +0000 | [diff] [blame] | 1498 | self.sleep_on_vpp_time(0.1) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1499 | |
| 1500 | # check FIB for new default route |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1501 | fib = self.vapi.ip_route_dump(0, True) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1502 | default_routes = self.get_default_routes(fib) |
| 1503 | self.assertEqual(len(default_routes), 1) |
| 1504 | dr = default_routes[0] |
| 1505 | self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index) |
| 1506 | self.assertEqual(dr['next_hop'], router_address) |
| 1507 | |
| 1508 | # send RA, updating router lifetime to 1s |
| 1509 | packet = self.create_ra_packet(self.pg0, 1) |
| 1510 | self.pg0.add_stream([packet]) |
| 1511 | self.pg_start() |
| 1512 | |
Andrew Yourtchenko | 63cb882 | 2019-10-13 18:56:03 +0000 | [diff] [blame] | 1513 | self.sleep_on_vpp_time(0.1) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1514 | |
| 1515 | # check that default route still exists |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1516 | fib = self.vapi.ip_route_dump(0, True) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1517 | default_routes = self.get_default_routes(fib) |
| 1518 | self.assertEqual(len(default_routes), 1) |
| 1519 | dr = default_routes[0] |
| 1520 | self.assertEqual(dr['sw_if_index'], self.pg0.sw_if_index) |
| 1521 | self.assertEqual(dr['next_hop'], router_address) |
| 1522 | |
Andrew Yourtchenko | 63cb882 | 2019-10-13 18:56:03 +0000 | [diff] [blame] | 1523 | self.sleep_on_vpp_time(1) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1524 | |
| 1525 | # check that default route is deleted |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1526 | self.assertTrue(self.wait_for_no_default_route()) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1527 | |
| 1528 | # check FIB still contains the SLAAC address |
| 1529 | addresses = set(self.get_interface_addresses(fib, self.pg0)) |
| 1530 | new_addresses = addresses.difference(initial_addresses) |
Paul Vinciguerra | 4271c97 | 2019-05-14 13:25:49 -0400 | [diff] [blame] | 1531 | |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1532 | self.assertEqual(len(new_addresses), 1) |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1533 | prefix = IPv6Network(text_type("%s/%d" % (list(new_addresses)[0], 20)), |
| 1534 | strict=False) |
| 1535 | self.assertEqual(prefix, IPv6Network(text_type('1::/20'))) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1536 | |
Andrew Yourtchenko | 63cb882 | 2019-10-13 18:56:03 +0000 | [diff] [blame] | 1537 | self.sleep_on_vpp_time(1) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1538 | |
| 1539 | # check that SLAAC address is deleted |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1540 | fib = self.vapi.ip_route_dump(0, True) |
Juraj Sloboda | c037423 | 2018-02-01 15:18:49 +0100 | [diff] [blame] | 1541 | addresses = set(self.get_interface_addresses(fib, self.pg0)) |
| 1542 | new_addresses = addresses.difference(initial_addresses) |
| 1543 | self.assertEqual(len(new_addresses), 0) |
| 1544 | |
| 1545 | |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1546 | class IPv6NDProxyTest(TestIPv6ND): |
| 1547 | """ IPv6 ND ProxyTest Case """ |
| 1548 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1549 | @classmethod |
| 1550 | def setUpClass(cls): |
| 1551 | super(IPv6NDProxyTest, cls).setUpClass() |
| 1552 | |
| 1553 | @classmethod |
| 1554 | def tearDownClass(cls): |
| 1555 | super(IPv6NDProxyTest, cls).tearDownClass() |
| 1556 | |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1557 | def setUp(self): |
| 1558 | super(IPv6NDProxyTest, self).setUp() |
| 1559 | |
| 1560 | # create 3 pg interfaces |
| 1561 | self.create_pg_interfaces(range(3)) |
| 1562 | |
| 1563 | # pg0 is the master interface, with the configured subnet |
| 1564 | self.pg0.admin_up() |
| 1565 | self.pg0.config_ip6() |
| 1566 | self.pg0.resolve_ndp() |
| 1567 | |
| 1568 | self.pg1.ip6_enable() |
| 1569 | self.pg2.ip6_enable() |
| 1570 | |
| 1571 | def tearDown(self): |
| 1572 | super(IPv6NDProxyTest, self).tearDown() |
| 1573 | |
| 1574 | def test_nd_proxy(self): |
| 1575 | """ IPv6 Proxy ND """ |
| 1576 | |
| 1577 | # |
| 1578 | # Generate some hosts in the subnet that we are proxying |
| 1579 | # |
| 1580 | self.pg0.generate_remote_hosts(8) |
| 1581 | |
| 1582 | nsma = in6_getnsma(inet_pton(AF_INET6, self.pg0.local_ip6)) |
| 1583 | d = inet_ntop(AF_INET6, nsma) |
| 1584 | |
| 1585 | # |
| 1586 | # Send an NS for one of those remote hosts on one of the proxy links |
| 1587 | # expect no response since it's from an address that is not |
| 1588 | # on the link that has the prefix configured |
| 1589 | # |
| 1590 | ns_pg1 = (Ether(dst=in6_getnsmac(nsma), src=self.pg1.remote_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1591 | IPv6(dst=d, |
| 1592 | src=self.pg0._remote_hosts[2].ip6) / |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1593 | ICMPv6ND_NS(tgt=self.pg0.local_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1594 | ICMPv6NDOptSrcLLAddr( |
| 1595 | lladdr=self.pg0._remote_hosts[2].mac)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1596 | |
| 1597 | self.send_and_assert_no_replies(self.pg1, ns_pg1, "Off link NS") |
| 1598 | |
| 1599 | # |
| 1600 | # Add proxy support for the host |
| 1601 | # |
Ole Troan | e1ade68 | 2019-03-04 23:55:43 +0100 | [diff] [blame] | 1602 | self.vapi.ip6nd_proxy_add_del( |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1603 | is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6), |
Ole Troan | 9a47537 | 2019-03-05 16:58:24 +0100 | [diff] [blame] | 1604 | sw_if_index=self.pg1.sw_if_index) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1605 | |
| 1606 | # |
| 1607 | # try that NS again. this time we expect an NA back |
| 1608 | # |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 1609 | self.send_and_expect_na(self.pg1, ns_pg1, |
| 1610 | "NS to proxy entry", |
| 1611 | dst_ip=self.pg0._remote_hosts[2].ip6, |
| 1612 | tgt_ip=self.pg0.local_ip6) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1613 | |
| 1614 | # |
| 1615 | # ... and that we have an entry in the ND cache |
| 1616 | # |
| 1617 | self.assertTrue(find_nbr(self, |
| 1618 | self.pg1.sw_if_index, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 1619 | self.pg0._remote_hosts[2].ip6)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1620 | |
| 1621 | # |
| 1622 | # ... and we can route traffic to it |
| 1623 | # |
| 1624 | t = (Ether(dst=self.pg0.local_mac, src=self.pg0.remote_mac) / |
| 1625 | IPv6(dst=self.pg0._remote_hosts[2].ip6, |
| 1626 | src=self.pg0.remote_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1627 | inet6.UDP(sport=10000, dport=20000) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 1628 | Raw(b'\xa5' * 100)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1629 | |
| 1630 | self.pg0.add_stream(t) |
| 1631 | self.pg_enable_capture(self.pg_interfaces) |
| 1632 | self.pg_start() |
| 1633 | rx = self.pg1.get_capture(1) |
| 1634 | rx = rx[0] |
| 1635 | |
| 1636 | self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac) |
| 1637 | self.assertEqual(rx[Ether].src, self.pg1.local_mac) |
| 1638 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1639 | self.assertEqual(rx[IPv6].src, |
| 1640 | t[IPv6].src) |
| 1641 | self.assertEqual(rx[IPv6].dst, |
| 1642 | t[IPv6].dst) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1643 | |
| 1644 | # |
| 1645 | # Test we proxy for the host on the main interface |
| 1646 | # |
| 1647 | ns_pg0 = (Ether(dst=in6_getnsmac(nsma), src=self.pg0.remote_mac) / |
| 1648 | IPv6(dst=d, src=self.pg0.remote_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1649 | ICMPv6ND_NS( |
| 1650 | tgt=self.pg0._remote_hosts[2].ip6) / |
| 1651 | ICMPv6NDOptSrcLLAddr( |
| 1652 | lladdr=self.pg0.remote_mac)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1653 | |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 1654 | self.send_and_expect_na(self.pg0, ns_pg0, |
| 1655 | "NS to proxy entry on main", |
| 1656 | tgt_ip=self.pg0._remote_hosts[2].ip6, |
| 1657 | dst_ip=self.pg0.remote_ip6) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1658 | |
| 1659 | # |
| 1660 | # Setup and resolve proxy for another host on another interface |
| 1661 | # |
| 1662 | ns_pg2 = (Ether(dst=in6_getnsmac(nsma), src=self.pg2.remote_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1663 | IPv6(dst=d, |
| 1664 | src=self.pg0._remote_hosts[3].ip6) / |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1665 | ICMPv6ND_NS(tgt=self.pg0.local_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1666 | ICMPv6NDOptSrcLLAddr( |
| 1667 | lladdr=self.pg0._remote_hosts[2].mac)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1668 | |
Ole Troan | e1ade68 | 2019-03-04 23:55:43 +0100 | [diff] [blame] | 1669 | self.vapi.ip6nd_proxy_add_del( |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1670 | is_add=1, ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6), |
Ole Troan | 9a47537 | 2019-03-05 16:58:24 +0100 | [diff] [blame] | 1671 | sw_if_index=self.pg2.sw_if_index) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1672 | |
Neale Ranns | 2a3ea49 | 2017-04-19 05:24:40 -0700 | [diff] [blame] | 1673 | self.send_and_expect_na(self.pg2, ns_pg2, |
| 1674 | "NS to proxy entry other interface", |
| 1675 | dst_ip=self.pg0._remote_hosts[3].ip6, |
| 1676 | tgt_ip=self.pg0.local_ip6) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1677 | |
| 1678 | self.assertTrue(find_nbr(self, |
| 1679 | self.pg2.sw_if_index, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 1680 | self.pg0._remote_hosts[3].ip6)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1681 | |
| 1682 | # |
| 1683 | # hosts can communicate. pg2->pg1 |
| 1684 | # |
| 1685 | t2 = (Ether(dst=self.pg2.local_mac, |
| 1686 | src=self.pg0.remote_hosts[3].mac) / |
| 1687 | IPv6(dst=self.pg0._remote_hosts[2].ip6, |
| 1688 | src=self.pg0._remote_hosts[3].ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1689 | inet6.UDP(sport=10000, dport=20000) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 1690 | Raw(b'\xa5' * 100)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1691 | |
| 1692 | self.pg2.add_stream(t2) |
| 1693 | self.pg_enable_capture(self.pg_interfaces) |
| 1694 | self.pg_start() |
| 1695 | rx = self.pg1.get_capture(1) |
| 1696 | rx = rx[0] |
| 1697 | |
| 1698 | self.assertEqual(rx[Ether].dst, self.pg0._remote_hosts[2].mac) |
| 1699 | self.assertEqual(rx[Ether].src, self.pg1.local_mac) |
| 1700 | |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1701 | self.assertEqual(rx[IPv6].src, |
| 1702 | t2[IPv6].src) |
| 1703 | self.assertEqual(rx[IPv6].dst, |
| 1704 | t2[IPv6].dst) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1705 | |
| 1706 | # |
| 1707 | # remove the proxy configs |
| 1708 | # |
Ole Troan | e1ade68 | 2019-03-04 23:55:43 +0100 | [diff] [blame] | 1709 | self.vapi.ip6nd_proxy_add_del( |
Ole Troan | 9a47537 | 2019-03-05 16:58:24 +0100 | [diff] [blame] | 1710 | ip=inet_pton(AF_INET6, self.pg0._remote_hosts[2].ip6), |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1711 | sw_if_index=self.pg1.sw_if_index, is_add=0) |
Ole Troan | e1ade68 | 2019-03-04 23:55:43 +0100 | [diff] [blame] | 1712 | self.vapi.ip6nd_proxy_add_del( |
Ole Troan | 9a47537 | 2019-03-05 16:58:24 +0100 | [diff] [blame] | 1713 | ip=inet_pton(AF_INET6, self.pg0._remote_hosts[3].ip6), |
Neale Ranns | cbe25aa | 2019-09-30 10:53:31 +0000 | [diff] [blame] | 1714 | sw_if_index=self.pg2.sw_if_index, is_add=0) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1715 | |
| 1716 | self.assertFalse(find_nbr(self, |
| 1717 | self.pg2.sw_if_index, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 1718 | self.pg0._remote_hosts[3].ip6)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1719 | self.assertFalse(find_nbr(self, |
| 1720 | self.pg1.sw_if_index, |
Neale Ranns | 3702930 | 2018-08-10 05:30:06 -0700 | [diff] [blame] | 1721 | self.pg0._remote_hosts[2].ip6)) |
Neale Ranns | 3f844d0 | 2017-02-18 00:03:54 -0800 | [diff] [blame] | 1722 | |
| 1723 | # |
| 1724 | # no longer proxy-ing... |
| 1725 | # |
| 1726 | self.send_and_assert_no_replies(self.pg0, ns_pg0, "Proxy unconfigured") |
| 1727 | self.send_and_assert_no_replies(self.pg1, ns_pg1, "Proxy unconfigured") |
| 1728 | self.send_and_assert_no_replies(self.pg2, ns_pg2, "Proxy unconfigured") |
| 1729 | |
| 1730 | # |
| 1731 | # no longer forwarding. traffic generates NS out of the glean/main |
| 1732 | # interface |
| 1733 | # |
| 1734 | self.pg2.add_stream(t2) |
| 1735 | self.pg_enable_capture(self.pg_interfaces) |
| 1736 | self.pg_start() |
| 1737 | |
| 1738 | rx = self.pg0.get_capture(1) |
| 1739 | |
| 1740 | self.assertTrue(rx[0].haslayer(ICMPv6ND_NS)) |
| 1741 | |
| 1742 | |
Neale Ranns | 37be736 | 2017-02-21 17:30:26 -0800 | [diff] [blame] | 1743 | class TestIPNull(VppTestCase): |
| 1744 | """ IPv6 routes via NULL """ |
| 1745 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1746 | @classmethod |
| 1747 | def setUpClass(cls): |
| 1748 | super(TestIPNull, cls).setUpClass() |
| 1749 | |
| 1750 | @classmethod |
| 1751 | def tearDownClass(cls): |
| 1752 | super(TestIPNull, cls).tearDownClass() |
| 1753 | |
Neale Ranns | 37be736 | 2017-02-21 17:30:26 -0800 | [diff] [blame] | 1754 | def setUp(self): |
| 1755 | super(TestIPNull, self).setUp() |
| 1756 | |
| 1757 | # create 2 pg interfaces |
| 1758 | self.create_pg_interfaces(range(1)) |
| 1759 | |
| 1760 | for i in self.pg_interfaces: |
| 1761 | i.admin_up() |
| 1762 | i.config_ip6() |
| 1763 | i.resolve_ndp() |
| 1764 | |
| 1765 | def tearDown(self): |
| 1766 | super(TestIPNull, self).tearDown() |
| 1767 | for i in self.pg_interfaces: |
| 1768 | i.unconfig_ip6() |
| 1769 | i.admin_down() |
| 1770 | |
| 1771 | def test_ip_null(self): |
| 1772 | """ IP NULL route """ |
| 1773 | |
| 1774 | p = (Ether(src=self.pg0.remote_mac, |
| 1775 | dst=self.pg0.local_mac) / |
| 1776 | IPv6(src=self.pg0.remote_ip6, dst="2001::1") / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1777 | inet6.UDP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 1778 | Raw(b'\xa5' * 100)) |
Neale Ranns | 37be736 | 2017-02-21 17:30:26 -0800 | [diff] [blame] | 1779 | |
| 1780 | # |
| 1781 | # A route via IP NULL that will reply with ICMP unreachables |
| 1782 | # |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1783 | ip_unreach = VppIpRoute( |
| 1784 | self, "2001::", 64, |
| 1785 | [VppRoutePath("::", 0xffffffff, |
| 1786 | type=FibPathType.FIB_PATH_TYPE_ICMP_UNREACH)]) |
Neale Ranns | 37be736 | 2017-02-21 17:30:26 -0800 | [diff] [blame] | 1787 | ip_unreach.add_vpp_config() |
| 1788 | |
| 1789 | self.pg0.add_stream(p) |
| 1790 | self.pg_enable_capture(self.pg_interfaces) |
| 1791 | self.pg_start() |
| 1792 | |
| 1793 | rx = self.pg0.get_capture(1) |
| 1794 | rx = rx[0] |
| 1795 | icmp = rx[ICMPv6DestUnreach] |
| 1796 | |
| 1797 | # 0 = "No route to destination" |
| 1798 | self.assertEqual(icmp.code, 0) |
| 1799 | |
| 1800 | # ICMP is rate limited. pause a bit |
| 1801 | self.sleep(1) |
| 1802 | |
| 1803 | # |
| 1804 | # A route via IP NULL that will reply with ICMP prohibited |
| 1805 | # |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1806 | ip_prohibit = VppIpRoute( |
| 1807 | self, "2001::1", 128, |
| 1808 | [VppRoutePath("::", 0xffffffff, |
| 1809 | type=FibPathType.FIB_PATH_TYPE_ICMP_PROHIBIT)]) |
Neale Ranns | 37be736 | 2017-02-21 17:30:26 -0800 | [diff] [blame] | 1810 | ip_prohibit.add_vpp_config() |
| 1811 | |
| 1812 | self.pg0.add_stream(p) |
| 1813 | self.pg_enable_capture(self.pg_interfaces) |
| 1814 | self.pg_start() |
| 1815 | |
| 1816 | rx = self.pg0.get_capture(1) |
| 1817 | rx = rx[0] |
| 1818 | icmp = rx[ICMPv6DestUnreach] |
| 1819 | |
| 1820 | # 1 = "Communication with destination administratively prohibited" |
| 1821 | self.assertEqual(icmp.code, 1) |
| 1822 | |
| 1823 | |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1824 | class TestIPDisabled(VppTestCase): |
| 1825 | """ IPv6 disabled """ |
| 1826 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1827 | @classmethod |
| 1828 | def setUpClass(cls): |
| 1829 | super(TestIPDisabled, cls).setUpClass() |
| 1830 | |
| 1831 | @classmethod |
| 1832 | def tearDownClass(cls): |
| 1833 | super(TestIPDisabled, cls).tearDownClass() |
| 1834 | |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1835 | def setUp(self): |
| 1836 | super(TestIPDisabled, self).setUp() |
| 1837 | |
| 1838 | # create 2 pg interfaces |
| 1839 | self.create_pg_interfaces(range(2)) |
| 1840 | |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1841 | # PG0 is IP enabled |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1842 | self.pg0.admin_up() |
| 1843 | self.pg0.config_ip6() |
| 1844 | self.pg0.resolve_ndp() |
| 1845 | |
| 1846 | # PG 1 is not IP enabled |
| 1847 | self.pg1.admin_up() |
| 1848 | |
| 1849 | def tearDown(self): |
| 1850 | super(TestIPDisabled, self).tearDown() |
| 1851 | for i in self.pg_interfaces: |
| 1852 | i.unconfig_ip4() |
| 1853 | i.admin_down() |
| 1854 | |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1855 | def test_ip_disabled(self): |
| 1856 | """ IP Disabled """ |
| 1857 | |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 1858 | MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t |
| 1859 | MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1860 | # |
| 1861 | # An (S,G). |
| 1862 | # one accepting interface, pg0, 2 forwarding interfaces |
| 1863 | # |
| 1864 | route_ff_01 = VppIpMRoute( |
| 1865 | self, |
| 1866 | "::", |
| 1867 | "ffef::1", 128, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 1868 | MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE, |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1869 | [VppMRoutePath(self.pg1.sw_if_index, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 1870 | MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT), |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1871 | VppMRoutePath(self.pg0.sw_if_index, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 1872 | MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD)]) |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1873 | route_ff_01.add_vpp_config() |
| 1874 | |
| 1875 | pu = (Ether(src=self.pg1.remote_mac, |
| 1876 | dst=self.pg1.local_mac) / |
| 1877 | IPv6(src="2001::1", dst=self.pg0.remote_ip6) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1878 | inet6.UDP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 1879 | Raw(b'\xa5' * 100)) |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1880 | pm = (Ether(src=self.pg1.remote_mac, |
| 1881 | dst=self.pg1.local_mac) / |
| 1882 | IPv6(src="2001::1", dst="ffef::1") / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1883 | inet6.UDP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 1884 | Raw(b'\xa5' * 100)) |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1885 | |
| 1886 | # |
| 1887 | # PG1 does not forward IP traffic |
| 1888 | # |
| 1889 | self.send_and_assert_no_replies(self.pg1, pu, "IPv6 disabled") |
| 1890 | self.send_and_assert_no_replies(self.pg1, pm, "IPv6 disabled") |
| 1891 | |
| 1892 | # |
| 1893 | # IP enable PG1 |
| 1894 | # |
| 1895 | self.pg1.config_ip6() |
| 1896 | |
| 1897 | # |
| 1898 | # Now we get packets through |
| 1899 | # |
| 1900 | self.pg1.add_stream(pu) |
| 1901 | self.pg_enable_capture(self.pg_interfaces) |
| 1902 | self.pg_start() |
| 1903 | rx = self.pg0.get_capture(1) |
| 1904 | |
| 1905 | self.pg1.add_stream(pm) |
| 1906 | self.pg_enable_capture(self.pg_interfaces) |
| 1907 | self.pg_start() |
| 1908 | rx = self.pg0.get_capture(1) |
| 1909 | |
| 1910 | # |
| 1911 | # Disable PG1 |
| 1912 | # |
| 1913 | self.pg1.unconfig_ip6() |
| 1914 | |
| 1915 | # |
| 1916 | # PG1 does not forward IP traffic |
| 1917 | # |
| 1918 | self.send_and_assert_no_replies(self.pg1, pu, "IPv6 disabled") |
| 1919 | self.send_and_assert_no_replies(self.pg1, pm, "IPv6 disabled") |
| 1920 | |
| 1921 | |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1922 | class TestIP6LoadBalance(VppTestCase): |
| 1923 | """ IPv6 Load-Balancing """ |
| 1924 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1925 | @classmethod |
| 1926 | def setUpClass(cls): |
| 1927 | super(TestIP6LoadBalance, cls).setUpClass() |
| 1928 | |
| 1929 | @classmethod |
| 1930 | def tearDownClass(cls): |
| 1931 | super(TestIP6LoadBalance, cls).tearDownClass() |
| 1932 | |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1933 | def setUp(self): |
| 1934 | super(TestIP6LoadBalance, self).setUp() |
| 1935 | |
| 1936 | self.create_pg_interfaces(range(5)) |
| 1937 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1938 | mpls_tbl = VppMplsTable(self, 0) |
| 1939 | mpls_tbl.add_vpp_config() |
| 1940 | |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1941 | for i in self.pg_interfaces: |
| 1942 | i.admin_up() |
| 1943 | i.config_ip6() |
| 1944 | i.resolve_ndp() |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1945 | i.enable_mpls() |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1946 | |
| 1947 | def tearDown(self): |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1948 | for i in self.pg_interfaces: |
| 1949 | i.unconfig_ip6() |
| 1950 | i.admin_down() |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1951 | i.disable_mpls() |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1952 | super(TestIP6LoadBalance, self).tearDown() |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1953 | |
Paul Vinciguerra | eb41443 | 2019-02-20 09:01:14 -0800 | [diff] [blame] | 1954 | def pg_send(self, input, pkts): |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 1955 | self.vapi.cli("clear trace") |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1956 | input.add_stream(pkts) |
| 1957 | self.pg_enable_capture(self.pg_interfaces) |
| 1958 | self.pg_start() |
Paul Vinciguerra | eb41443 | 2019-02-20 09:01:14 -0800 | [diff] [blame] | 1959 | |
| 1960 | def send_and_expect_load_balancing(self, input, pkts, outputs): |
| 1961 | self.pg_send(input, pkts) |
Neale Ranns | 3d5f08a | 2021-01-22 16:12:38 +0000 | [diff] [blame] | 1962 | rxs = [] |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1963 | for oo in outputs: |
| 1964 | rx = oo._get_capture(1) |
| 1965 | self.assertNotEqual(0, len(rx)) |
Neale Ranns | 3d5f08a | 2021-01-22 16:12:38 +0000 | [diff] [blame] | 1966 | rxs.append(rx) |
| 1967 | return rxs |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1968 | |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1969 | def send_and_expect_one_itf(self, input, pkts, itf): |
Paul Vinciguerra | eb41443 | 2019-02-20 09:01:14 -0800 | [diff] [blame] | 1970 | self.pg_send(input, pkts) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1971 | rx = itf.get_capture(len(pkts)) |
| 1972 | |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1973 | def test_ip6_load_balance(self): |
| 1974 | """ IPv6 Load-Balancing """ |
| 1975 | |
| 1976 | # |
| 1977 | # An array of packets that differ only in the destination port |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1978 | # - IP only |
| 1979 | # - MPLS EOS |
| 1980 | # - MPLS non-EOS |
| 1981 | # - MPLS non-EOS with an entropy label |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1982 | # |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1983 | port_ip_pkts = [] |
| 1984 | port_mpls_pkts = [] |
| 1985 | port_mpls_neos_pkts = [] |
| 1986 | port_ent_pkts = [] |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1987 | |
| 1988 | # |
| 1989 | # An array of packets that differ only in the source address |
| 1990 | # |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1991 | src_ip_pkts = [] |
| 1992 | src_mpls_pkts = [] |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 1993 | |
Paul Vinciguerra | 4271c97 | 2019-05-14 13:25:49 -0400 | [diff] [blame] | 1994 | for ii in range(NUM_PKTS): |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 1995 | port_ip_hdr = ( |
| 1996 | IPv6(dst="3000::1", src="3000:1::1") / |
| 1997 | inet6.UDP(sport=1234, dport=1234 + ii) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 1998 | Raw(b'\xa5' * 100)) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 1999 | port_ip_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2000 | dst=self.pg0.local_mac) / |
| 2001 | port_ip_hdr)) |
| 2002 | port_mpls_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2003 | dst=self.pg0.local_mac) / |
| 2004 | MPLS(label=66, ttl=2) / |
| 2005 | port_ip_hdr)) |
| 2006 | port_mpls_neos_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2007 | dst=self.pg0.local_mac) / |
| 2008 | MPLS(label=67, ttl=2) / |
| 2009 | MPLS(label=77, ttl=2) / |
| 2010 | port_ip_hdr)) |
| 2011 | port_ent_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2012 | dst=self.pg0.local_mac) / |
| 2013 | MPLS(label=67, ttl=2) / |
| 2014 | MPLS(label=14, ttl=2) / |
| 2015 | MPLS(label=999, ttl=2) / |
| 2016 | port_ip_hdr)) |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2017 | src_ip_hdr = ( |
| 2018 | IPv6(dst="3000::1", src="3000:1::%d" % ii) / |
| 2019 | inet6.UDP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2020 | Raw(b'\xa5' * 100)) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2021 | src_ip_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2022 | dst=self.pg0.local_mac) / |
| 2023 | src_ip_hdr)) |
| 2024 | src_mpls_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2025 | dst=self.pg0.local_mac) / |
| 2026 | MPLS(label=66, ttl=2) / |
| 2027 | src_ip_hdr)) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2028 | |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2029 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 2030 | # A route for the IP packets |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2031 | # |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2032 | route_3000_1 = VppIpRoute(self, "3000::1", 128, |
| 2033 | [VppRoutePath(self.pg1.remote_ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2034 | self.pg1.sw_if_index), |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2035 | VppRoutePath(self.pg2.remote_ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2036 | self.pg2.sw_if_index)]) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2037 | route_3000_1.add_vpp_config() |
| 2038 | |
| 2039 | # |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2040 | # a local-label for the EOS packets |
| 2041 | # |
| 2042 | binding = VppMplsIpBind(self, 66, "3000::1", 128, is_ip6=1) |
| 2043 | binding.add_vpp_config() |
| 2044 | |
| 2045 | # |
| 2046 | # An MPLS route for the non-EOS packets |
| 2047 | # |
| 2048 | route_67 = VppMplsRoute(self, 67, 0, |
| 2049 | [VppRoutePath(self.pg1.remote_ip6, |
| 2050 | self.pg1.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2051 | labels=[67]), |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2052 | VppRoutePath(self.pg2.remote_ip6, |
| 2053 | self.pg2.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2054 | labels=[67])]) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2055 | route_67.add_vpp_config() |
| 2056 | |
| 2057 | # |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2058 | # inject the packet on pg0 - expect load-balancing across the 2 paths |
| 2059 | # - since the default hash config is to use IP src,dst and port |
| 2060 | # src,dst |
| 2061 | # We are not going to ensure equal amounts of packets across each link, |
| 2062 | # since the hash algorithm is statistical and therefore this can never |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 2063 | # be guaranteed. But with 64 different packets we do expect some |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2064 | # balancing. So instead just ensure there is traffic on each link. |
| 2065 | # |
Neale Ranns | 3d5f08a | 2021-01-22 16:12:38 +0000 | [diff] [blame] | 2066 | rx = self.send_and_expect_load_balancing(self.pg0, port_ip_pkts, |
| 2067 | [self.pg1, self.pg2]) |
| 2068 | n_ip_pg0 = len(rx[0]) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2069 | self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2070 | [self.pg1, self.pg2]) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2071 | self.send_and_expect_load_balancing(self.pg0, port_mpls_pkts, |
| 2072 | [self.pg1, self.pg2]) |
| 2073 | self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts, |
| 2074 | [self.pg1, self.pg2]) |
Neale Ranns | 3d5f08a | 2021-01-22 16:12:38 +0000 | [diff] [blame] | 2075 | rx = self.send_and_expect_load_balancing(self.pg0, port_mpls_neos_pkts, |
| 2076 | [self.pg1, self.pg2]) |
| 2077 | n_mpls_pg0 = len(rx[0]) |
| 2078 | |
| 2079 | # |
| 2080 | # change the router ID and expect the distribution changes |
| 2081 | # |
| 2082 | self.vapi.set_ip_flow_hash_router_id(router_id=0x11111111) |
| 2083 | |
| 2084 | rx = self.send_and_expect_load_balancing(self.pg0, port_ip_pkts, |
| 2085 | [self.pg1, self.pg2]) |
| 2086 | self.assertNotEqual(n_ip_pg0, len(rx[0])) |
| 2087 | |
| 2088 | rx = self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts, |
| 2089 | [self.pg1, self.pg2]) |
| 2090 | self.assertNotEqual(n_mpls_pg0, len(rx[0])) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2091 | |
| 2092 | # |
| 2093 | # The packets with Entropy label in should not load-balance, |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 2094 | # since the Entropy value is fixed. |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2095 | # |
| 2096 | self.send_and_expect_one_itf(self.pg0, port_ent_pkts, self.pg1) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2097 | |
| 2098 | # |
| 2099 | # change the flow hash config so it's only IP src,dst |
| 2100 | # - now only the stream with differing source address will |
| 2101 | # load-balance |
| 2102 | # |
Ahmed Abdelsalam | f2984bb | 2020-11-20 18:56:09 +0000 | [diff] [blame] | 2103 | self.vapi.set_ip_flow_hash(vrf_id=0, src=1, dst=1, proto=1, |
| 2104 | sport=0, dport=0, is_ipv6=1) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2105 | |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2106 | self.send_and_expect_load_balancing(self.pg0, src_ip_pkts, |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2107 | [self.pg1, self.pg2]) |
Neale Ranns | 71275e3 | 2017-05-25 12:38:58 -0700 | [diff] [blame] | 2108 | self.send_and_expect_load_balancing(self.pg0, src_mpls_pkts, |
| 2109 | [self.pg1, self.pg2]) |
| 2110 | self.send_and_expect_one_itf(self.pg0, port_ip_pkts, self.pg2) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2111 | |
| 2112 | # |
| 2113 | # change the flow hash config back to defaults |
| 2114 | # |
Ole Troan | a5b2eec | 2019-03-11 19:23:25 +0100 | [diff] [blame] | 2115 | self.vapi.set_ip_flow_hash(vrf_id=0, src=1, dst=1, sport=1, dport=1, |
Ahmed Abdelsalam | f2984bb | 2020-11-20 18:56:09 +0000 | [diff] [blame] | 2116 | proto=1, is_ipv6=1) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2117 | |
| 2118 | # |
| 2119 | # Recursive prefixes |
| 2120 | # - testing that 2 stages of load-balancing occurs and there is no |
| 2121 | # polarisation (i.e. only 2 of 4 paths are used) |
| 2122 | # |
| 2123 | port_pkts = [] |
| 2124 | src_pkts = [] |
| 2125 | |
| 2126 | for ii in range(257): |
| 2127 | port_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2128 | dst=self.pg0.local_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2129 | IPv6(dst="4000::1", |
| 2130 | src="4000:1::1") / |
| 2131 | inet6.UDP(sport=1234, |
| 2132 | dport=1234 + ii) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2133 | Raw(b'\xa5' * 100))) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2134 | src_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2135 | dst=self.pg0.local_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2136 | IPv6(dst="4000::1", |
| 2137 | src="4000:1::%d" % ii) / |
| 2138 | inet6.UDP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2139 | Raw(b'\xa5' * 100))) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2140 | |
| 2141 | route_3000_2 = VppIpRoute(self, "3000::2", 128, |
| 2142 | [VppRoutePath(self.pg3.remote_ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2143 | self.pg3.sw_if_index), |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2144 | VppRoutePath(self.pg4.remote_ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2145 | self.pg4.sw_if_index)]) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2146 | route_3000_2.add_vpp_config() |
| 2147 | |
| 2148 | route_4000_1 = VppIpRoute(self, "4000::1", 128, |
| 2149 | [VppRoutePath("3000::1", |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2150 | 0xffffffff), |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2151 | VppRoutePath("3000::2", |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2152 | 0xffffffff)]) |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2153 | route_4000_1.add_vpp_config() |
| 2154 | |
| 2155 | # |
| 2156 | # inject the packet on pg0 - expect load-balancing across all 4 paths |
| 2157 | # |
| 2158 | self.vapi.cli("clear trace") |
| 2159 | self.send_and_expect_load_balancing(self.pg0, port_pkts, |
| 2160 | [self.pg1, self.pg2, |
| 2161 | self.pg3, self.pg4]) |
| 2162 | self.send_and_expect_load_balancing(self.pg0, src_pkts, |
| 2163 | [self.pg1, self.pg2, |
| 2164 | self.pg3, self.pg4]) |
| 2165 | |
Neale Ranns | 42e6b09 | 2017-07-31 02:56:03 -0700 | [diff] [blame] | 2166 | # |
| 2167 | # Recursive prefixes |
| 2168 | # - testing that 2 stages of load-balancing no choices |
| 2169 | # |
| 2170 | port_pkts = [] |
| 2171 | |
| 2172 | for ii in range(257): |
| 2173 | port_pkts.append((Ether(src=self.pg0.remote_mac, |
| 2174 | dst=self.pg0.local_mac) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2175 | IPv6(dst="6000::1", |
| 2176 | src="6000:1::1") / |
| 2177 | inet6.UDP(sport=1234, |
| 2178 | dport=1234 + ii) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2179 | Raw(b'\xa5' * 100))) |
Neale Ranns | 42e6b09 | 2017-07-31 02:56:03 -0700 | [diff] [blame] | 2180 | |
| 2181 | route_5000_2 = VppIpRoute(self, "5000::2", 128, |
| 2182 | [VppRoutePath(self.pg3.remote_ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2183 | self.pg3.sw_if_index)]) |
Neale Ranns | 42e6b09 | 2017-07-31 02:56:03 -0700 | [diff] [blame] | 2184 | route_5000_2.add_vpp_config() |
| 2185 | |
| 2186 | route_6000_1 = VppIpRoute(self, "6000::1", 128, |
| 2187 | [VppRoutePath("5000::2", |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2188 | 0xffffffff)]) |
Neale Ranns | 42e6b09 | 2017-07-31 02:56:03 -0700 | [diff] [blame] | 2189 | route_6000_1.add_vpp_config() |
| 2190 | |
| 2191 | # |
| 2192 | # inject the packet on pg0 - expect load-balancing across all 4 paths |
| 2193 | # |
| 2194 | self.vapi.cli("clear trace") |
| 2195 | self.send_and_expect_one_itf(self.pg0, port_pkts, self.pg3) |
| 2196 | |
Neale Ranns | 227038a | 2017-04-21 01:07:59 -0700 | [diff] [blame] | 2197 | |
Brian Russell | a1f3606 | 2021-01-19 16:58:14 +0000 | [diff] [blame] | 2198 | class IP6PuntSetup(object): |
| 2199 | """ Setup for IPv6 Punt Police/Redirect """ |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2200 | |
Brian Russell | a1f3606 | 2021-01-19 16:58:14 +0000 | [diff] [blame] | 2201 | def punt_setup(self): |
Pavel Kotucek | 609e121 | 2018-11-27 09:59:44 +0100 | [diff] [blame] | 2202 | self.create_pg_interfaces(range(4)) |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2203 | |
| 2204 | for i in self.pg_interfaces: |
| 2205 | i.admin_up() |
| 2206 | i.config_ip6() |
| 2207 | i.resolve_ndp() |
| 2208 | |
Brian Russell | a1f3606 | 2021-01-19 16:58:14 +0000 | [diff] [blame] | 2209 | self.pkt = (Ether(src=self.pg0.remote_mac, |
| 2210 | dst=self.pg0.local_mac) / |
| 2211 | IPv6(src=self.pg0.remote_ip6, |
| 2212 | dst=self.pg0.local_ip6) / |
| 2213 | inet6.TCP(sport=1234, dport=1234) / |
| 2214 | Raw(b'\xa5' * 100)) |
| 2215 | |
| 2216 | def punt_teardown(self): |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2217 | for i in self.pg_interfaces: |
| 2218 | i.unconfig_ip6() |
| 2219 | i.admin_down() |
| 2220 | |
Brian Russell | a1f3606 | 2021-01-19 16:58:14 +0000 | [diff] [blame] | 2221 | |
| 2222 | class TestIP6Punt(IP6PuntSetup, VppTestCase): |
| 2223 | """ IPv6 Punt Police/Redirect """ |
| 2224 | |
| 2225 | def setUp(self): |
| 2226 | super(TestIP6Punt, self).setUp() |
| 2227 | super(TestIP6Punt, self).punt_setup() |
| 2228 | |
| 2229 | def tearDown(self): |
| 2230 | super(TestIP6Punt, self).punt_teardown() |
| 2231 | super(TestIP6Punt, self).tearDown() |
| 2232 | |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2233 | def test_ip_punt(self): |
| 2234 | """ IP6 punt police and redirect """ |
| 2235 | |
Brian Russell | a1f3606 | 2021-01-19 16:58:14 +0000 | [diff] [blame] | 2236 | pkts = self.pkt * 1025 |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2237 | |
| 2238 | # |
| 2239 | # Configure a punt redirect via pg1. |
| 2240 | # |
Ole Troan | 0bcad32 | 2018-12-11 13:04:01 +0100 | [diff] [blame] | 2241 | nh_addr = self.pg1.remote_ip6 |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2242 | ip_punt_redirect = VppIpPuntRedirect(self, self.pg0.sw_if_index, |
| 2243 | self.pg1.sw_if_index, nh_addr) |
| 2244 | ip_punt_redirect.add_vpp_config() |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2245 | |
| 2246 | self.send_and_expect(self.pg0, pkts, self.pg1) |
| 2247 | |
| 2248 | # |
| 2249 | # add a policer |
| 2250 | # |
Jakub Grajciar | cd01fb4 | 2020-03-02 13:16:53 +0100 | [diff] [blame] | 2251 | policer = VppPolicer(self, "ip6-punt", 400, 0, 10, 0, rate_type=1) |
| 2252 | policer.add_vpp_config() |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2253 | ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index, |
| 2254 | is_ip6=True) |
| 2255 | ip_punt_policer.add_vpp_config() |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2256 | |
| 2257 | self.vapi.cli("clear trace") |
| 2258 | self.pg0.add_stream(pkts) |
| 2259 | self.pg_enable_capture(self.pg_interfaces) |
| 2260 | self.pg_start() |
| 2261 | |
| 2262 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 2263 | # the number of packet received should be greater than 0, |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2264 | # but not equal to the number sent, since some were policed |
| 2265 | # |
| 2266 | rx = self.pg1._get_capture(1) |
Brian Russell | e988726 | 2021-01-27 14:45:22 +0000 | [diff] [blame] | 2267 | stats = policer.get_stats() |
| 2268 | |
| 2269 | # Single rate policer - expect conform, violate but no exceed |
| 2270 | self.assertGreater(stats['conform_packets'], 0) |
| 2271 | self.assertEqual(stats['exceed_packets'], 0) |
| 2272 | self.assertGreater(stats['violate_packets'], 0) |
| 2273 | |
Paul Vinciguerra | 3d2df21 | 2018-11-24 23:19:53 -0800 | [diff] [blame] | 2274 | self.assertGreater(len(rx), 0) |
| 2275 | self.assertLess(len(rx), len(pkts)) |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2276 | |
| 2277 | # |
Paul Vinciguerra | eb41443 | 2019-02-20 09:01:14 -0800 | [diff] [blame] | 2278 | # remove the policer. back to full rx |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2279 | # |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2280 | ip_punt_policer.remove_vpp_config() |
Jakub Grajciar | cd01fb4 | 2020-03-02 13:16:53 +0100 | [diff] [blame] | 2281 | policer.remove_vpp_config() |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2282 | self.send_and_expect(self.pg0, pkts, self.pg1) |
| 2283 | |
| 2284 | # |
| 2285 | # remove the redirect. expect full drop. |
| 2286 | # |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2287 | ip_punt_redirect.remove_vpp_config() |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2288 | self.send_and_assert_no_replies(self.pg0, pkts, |
| 2289 | "IP no punt config") |
| 2290 | |
| 2291 | # |
| 2292 | # Add a redirect that is not input port selective |
| 2293 | # |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2294 | ip_punt_redirect = VppIpPuntRedirect(self, 0xffffffff, |
| 2295 | self.pg1.sw_if_index, nh_addr) |
| 2296 | ip_punt_redirect.add_vpp_config() |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2297 | self.send_and_expect(self.pg0, pkts, self.pg1) |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2298 | ip_punt_redirect.remove_vpp_config() |
Pavel Kotucek | 609e121 | 2018-11-27 09:59:44 +0100 | [diff] [blame] | 2299 | |
| 2300 | def test_ip_punt_dump(self): |
| 2301 | """ IP6 punt redirect dump""" |
| 2302 | |
| 2303 | # |
| 2304 | # Configure a punt redirects |
| 2305 | # |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2306 | nh_address = self.pg3.remote_ip6 |
| 2307 | ipr_03 = VppIpPuntRedirect(self, self.pg0.sw_if_index, |
| 2308 | self.pg3.sw_if_index, nh_address) |
| 2309 | ipr_13 = VppIpPuntRedirect(self, self.pg1.sw_if_index, |
| 2310 | self.pg3.sw_if_index, nh_address) |
| 2311 | ipr_23 = VppIpPuntRedirect(self, self.pg2.sw_if_index, |
| 2312 | self.pg3.sw_if_index, '0::0') |
| 2313 | ipr_03.add_vpp_config() |
| 2314 | ipr_13.add_vpp_config() |
| 2315 | ipr_23.add_vpp_config() |
Pavel Kotucek | 609e121 | 2018-11-27 09:59:44 +0100 | [diff] [blame] | 2316 | |
| 2317 | # |
| 2318 | # Dump pg0 punt redirects |
| 2319 | # |
Jakub Grajciar | 2df2f75 | 2020-12-01 11:23:44 +0100 | [diff] [blame] | 2320 | self.assertTrue(ipr_03.query_vpp_config()) |
| 2321 | self.assertTrue(ipr_13.query_vpp_config()) |
| 2322 | self.assertTrue(ipr_23.query_vpp_config()) |
Pavel Kotucek | 609e121 | 2018-11-27 09:59:44 +0100 | [diff] [blame] | 2323 | |
| 2324 | # |
| 2325 | # Dump punt redirects for all interfaces |
| 2326 | # |
| 2327 | punts = self.vapi.ip_punt_redirect_dump(0xffffffff, is_ipv6=1) |
| 2328 | self.assertEqual(len(punts), 3) |
| 2329 | for p in punts: |
| 2330 | self.assertEqual(p.punt.tx_sw_if_index, self.pg3.sw_if_index) |
Ole Troan | 0bcad32 | 2018-12-11 13:04:01 +0100 | [diff] [blame] | 2331 | self.assertNotEqual(punts[1].punt.nh, self.pg3.remote_ip6) |
| 2332 | self.assertEqual(str(punts[2].punt.nh), '::') |
Neale Ranns | d91c1db | 2017-07-31 02:30:50 -0700 | [diff] [blame] | 2333 | |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2334 | |
Brian Russell | 5214f3a | 2021-01-19 16:58:34 +0000 | [diff] [blame] | 2335 | class TestIP6PuntHandoff(IP6PuntSetup, VppTestCase): |
| 2336 | """ IPv6 Punt Police/Redirect """ |
Klement Sekera | 8d81502 | 2021-03-15 16:58:10 +0100 | [diff] [blame] | 2337 | vpp_worker_count = 2 |
Brian Russell | 5214f3a | 2021-01-19 16:58:34 +0000 | [diff] [blame] | 2338 | |
| 2339 | def setUp(self): |
| 2340 | super(TestIP6PuntHandoff, self).setUp() |
| 2341 | super(TestIP6PuntHandoff, self).punt_setup() |
| 2342 | |
| 2343 | def tearDown(self): |
| 2344 | super(TestIP6PuntHandoff, self).punt_teardown() |
| 2345 | super(TestIP6PuntHandoff, self).tearDown() |
| 2346 | |
| 2347 | def test_ip_punt(self): |
| 2348 | """ IP6 punt policer thread handoff """ |
| 2349 | pkts = self.pkt * NUM_PKTS |
| 2350 | |
| 2351 | # |
| 2352 | # Configure a punt redirect via pg1. |
| 2353 | # |
| 2354 | nh_addr = self.pg1.remote_ip6 |
| 2355 | ip_punt_redirect = VppIpPuntRedirect(self, self.pg0.sw_if_index, |
| 2356 | self.pg1.sw_if_index, nh_addr) |
| 2357 | ip_punt_redirect.add_vpp_config() |
| 2358 | |
| 2359 | action_tx = PolicerAction( |
| 2360 | VppEnum.vl_api_sse2_qos_action_type_t.SSE2_QOS_ACTION_API_TRANSMIT, |
| 2361 | 0) |
| 2362 | # |
| 2363 | # This policer drops no packets, we are just |
| 2364 | # testing that they get to the right thread. |
| 2365 | # |
| 2366 | policer = VppPolicer(self, "ip6-punt", 400, 0, 10, 0, 1, |
| 2367 | 0, 0, False, action_tx, action_tx, action_tx) |
| 2368 | policer.add_vpp_config() |
| 2369 | ip_punt_policer = VppIpPuntPolicer(self, policer.policer_index, |
| 2370 | is_ip6=True) |
| 2371 | ip_punt_policer.add_vpp_config() |
| 2372 | |
| 2373 | for worker in [0, 1]: |
| 2374 | self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker) |
| 2375 | if worker == 0: |
| 2376 | self.logger.debug(self.vapi.cli("show trace max 100")) |
| 2377 | |
Brian Russell | e988726 | 2021-01-27 14:45:22 +0000 | [diff] [blame] | 2378 | # Combined stats, all threads |
| 2379 | stats = policer.get_stats() |
| 2380 | |
| 2381 | # Single rate policer - expect conform, violate but no exceed |
| 2382 | self.assertGreater(stats['conform_packets'], 0) |
| 2383 | self.assertEqual(stats['exceed_packets'], 0) |
| 2384 | self.assertGreater(stats['violate_packets'], 0) |
| 2385 | |
| 2386 | # Worker 0, should have done all the policing |
| 2387 | stats0 = policer.get_stats(worker=0) |
| 2388 | self.assertEqual(stats, stats0) |
| 2389 | |
| 2390 | # Worker 1, should have handed everything off |
| 2391 | stats1 = policer.get_stats(worker=1) |
| 2392 | self.assertEqual(stats1['conform_packets'], 0) |
| 2393 | self.assertEqual(stats1['exceed_packets'], 0) |
| 2394 | self.assertEqual(stats1['violate_packets'], 0) |
| 2395 | |
Brian Russell | bb98314 | 2021-02-10 13:56:06 +0000 | [diff] [blame] | 2396 | # Bind the policer to worker 1 and repeat |
| 2397 | policer.bind_vpp_config(1, True) |
| 2398 | for worker in [0, 1]: |
| 2399 | self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker) |
| 2400 | self.logger.debug(self.vapi.cli("show trace max 100")) |
| 2401 | |
| 2402 | # The 2 workers should now have policed the same amount |
| 2403 | stats = policer.get_stats() |
| 2404 | stats0 = policer.get_stats(worker=0) |
| 2405 | stats1 = policer.get_stats(worker=1) |
| 2406 | |
| 2407 | self.assertGreater(stats0['conform_packets'], 0) |
| 2408 | self.assertEqual(stats0['exceed_packets'], 0) |
| 2409 | self.assertGreater(stats0['violate_packets'], 0) |
| 2410 | |
| 2411 | self.assertGreater(stats1['conform_packets'], 0) |
| 2412 | self.assertEqual(stats1['exceed_packets'], 0) |
| 2413 | self.assertGreater(stats1['violate_packets'], 0) |
| 2414 | |
| 2415 | self.assertEqual(stats0['conform_packets'] + stats1['conform_packets'], |
| 2416 | stats['conform_packets']) |
| 2417 | |
| 2418 | self.assertEqual(stats0['violate_packets'] + stats1['violate_packets'], |
| 2419 | stats['violate_packets']) |
| 2420 | |
| 2421 | # Unbind the policer and repeat |
| 2422 | policer.bind_vpp_config(1, False) |
| 2423 | for worker in [0, 1]: |
| 2424 | self.send_and_expect(self.pg0, pkts, self.pg1, worker=worker) |
| 2425 | self.logger.debug(self.vapi.cli("show trace max 100")) |
| 2426 | |
| 2427 | # The policer should auto-bind to worker 0 when packets arrive |
| 2428 | stats = policer.get_stats() |
| 2429 | stats0new = policer.get_stats(worker=0) |
| 2430 | stats1new = policer.get_stats(worker=1) |
| 2431 | |
| 2432 | self.assertGreater(stats0new['conform_packets'], |
| 2433 | stats0['conform_packets']) |
| 2434 | self.assertEqual(stats0new['exceed_packets'], 0) |
| 2435 | self.assertGreater(stats0new['violate_packets'], |
| 2436 | stats0['violate_packets']) |
| 2437 | |
| 2438 | self.assertEqual(stats1, stats1new) |
| 2439 | |
Brian Russell | 5214f3a | 2021-01-19 16:58:34 +0000 | [diff] [blame] | 2440 | # |
| 2441 | # Clean up |
| 2442 | # |
| 2443 | ip_punt_policer.remove_vpp_config() |
| 2444 | policer.remove_vpp_config() |
| 2445 | ip_punt_redirect.remove_vpp_config() |
| 2446 | |
| 2447 | |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2448 | class TestIPDeag(VppTestCase): |
| 2449 | """ IPv6 Deaggregate Routes """ |
| 2450 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 2451 | @classmethod |
| 2452 | def setUpClass(cls): |
| 2453 | super(TestIPDeag, cls).setUpClass() |
| 2454 | |
| 2455 | @classmethod |
| 2456 | def tearDownClass(cls): |
| 2457 | super(TestIPDeag, cls).tearDownClass() |
| 2458 | |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2459 | def setUp(self): |
| 2460 | super(TestIPDeag, self).setUp() |
| 2461 | |
| 2462 | self.create_pg_interfaces(range(3)) |
| 2463 | |
| 2464 | for i in self.pg_interfaces: |
| 2465 | i.admin_up() |
| 2466 | i.config_ip6() |
| 2467 | i.resolve_ndp() |
| 2468 | |
| 2469 | def tearDown(self): |
| 2470 | super(TestIPDeag, self).tearDown() |
| 2471 | for i in self.pg_interfaces: |
| 2472 | i.unconfig_ip6() |
| 2473 | i.admin_down() |
| 2474 | |
| 2475 | def test_ip_deag(self): |
| 2476 | """ IP Deag Routes """ |
| 2477 | |
| 2478 | # |
| 2479 | # Create a table to be used for: |
| 2480 | # 1 - another destination address lookup |
| 2481 | # 2 - a source address lookup |
| 2482 | # |
| 2483 | table_dst = VppIpTable(self, 1, is_ip6=1) |
| 2484 | table_src = VppIpTable(self, 2, is_ip6=1) |
| 2485 | table_dst.add_vpp_config() |
| 2486 | table_src.add_vpp_config() |
| 2487 | |
| 2488 | # |
| 2489 | # Add a route in the default table to point to a deag/ |
| 2490 | # second lookup in each of these tables |
| 2491 | # |
| 2492 | route_to_dst = VppIpRoute(self, "1::1", 128, |
| 2493 | [VppRoutePath("::", |
| 2494 | 0xffffffff, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2495 | nh_table_id=1)]) |
| 2496 | route_to_src = VppIpRoute( |
| 2497 | self, "1::2", 128, |
| 2498 | [VppRoutePath("::", |
| 2499 | 0xffffffff, |
| 2500 | nh_table_id=2, |
| 2501 | type=FibPathType.FIB_PATH_TYPE_SOURCE_LOOKUP)]) |
| 2502 | |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2503 | route_to_dst.add_vpp_config() |
| 2504 | route_to_src.add_vpp_config() |
| 2505 | |
| 2506 | # |
| 2507 | # packets to these destination are dropped, since they'll |
| 2508 | # hit the respective default routes in the second table |
| 2509 | # |
| 2510 | p_dst = (Ether(src=self.pg0.remote_mac, |
| 2511 | dst=self.pg0.local_mac) / |
| 2512 | IPv6(src="5::5", dst="1::1") / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2513 | inet6.TCP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2514 | Raw(b'\xa5' * 100)) |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2515 | p_src = (Ether(src=self.pg0.remote_mac, |
| 2516 | dst=self.pg0.local_mac) / |
| 2517 | IPv6(src="2::2", dst="1::2") / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2518 | inet6.TCP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2519 | Raw(b'\xa5' * 100)) |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2520 | pkts_dst = p_dst * 257 |
| 2521 | pkts_src = p_src * 257 |
| 2522 | |
| 2523 | self.send_and_assert_no_replies(self.pg0, pkts_dst, |
| 2524 | "IP in dst table") |
| 2525 | self.send_and_assert_no_replies(self.pg0, pkts_src, |
| 2526 | "IP in src table") |
| 2527 | |
| 2528 | # |
| 2529 | # add a route in the dst table to forward via pg1 |
| 2530 | # |
| 2531 | route_in_dst = VppIpRoute(self, "1::1", 128, |
| 2532 | [VppRoutePath(self.pg1.remote_ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2533 | self.pg1.sw_if_index)], |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2534 | table_id=1) |
| 2535 | route_in_dst.add_vpp_config() |
| 2536 | |
| 2537 | self.send_and_expect(self.pg0, pkts_dst, self.pg1) |
| 2538 | |
| 2539 | # |
| 2540 | # add a route in the src table to forward via pg2 |
| 2541 | # |
| 2542 | route_in_src = VppIpRoute(self, "2::2", 128, |
| 2543 | [VppRoutePath(self.pg2.remote_ip6, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2544 | self.pg2.sw_if_index)], |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2545 | table_id=2) |
| 2546 | route_in_src.add_vpp_config() |
| 2547 | self.send_and_expect(self.pg0, pkts_src, self.pg2) |
| 2548 | |
| 2549 | # |
| 2550 | # loop in the lookup DP |
| 2551 | # |
| 2552 | route_loop = VppIpRoute(self, "3::3", 128, |
| 2553 | [VppRoutePath("::", |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2554 | 0xffffffff)]) |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2555 | route_loop.add_vpp_config() |
| 2556 | |
| 2557 | p_l = (Ether(src=self.pg0.remote_mac, |
| 2558 | dst=self.pg0.local_mac) / |
| 2559 | IPv6(src="3::4", dst="3::3") / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2560 | inet6.TCP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2561 | Raw(b'\xa5' * 100)) |
Neale Ranns | ce9e0b4 | 2018-08-01 12:53:17 -0700 | [diff] [blame] | 2562 | |
| 2563 | self.send_and_assert_no_replies(self.pg0, p_l * 257, |
| 2564 | "IP lookup loop") |
| 2565 | |
| 2566 | |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2567 | class TestIP6Input(VppTestCase): |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 2568 | """ IPv6 Input Exception Test Cases """ |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2569 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 2570 | @classmethod |
| 2571 | def setUpClass(cls): |
| 2572 | super(TestIP6Input, cls).setUpClass() |
| 2573 | |
| 2574 | @classmethod |
| 2575 | def tearDownClass(cls): |
| 2576 | super(TestIP6Input, cls).tearDownClass() |
| 2577 | |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2578 | def setUp(self): |
| 2579 | super(TestIP6Input, self).setUp() |
| 2580 | |
| 2581 | self.create_pg_interfaces(range(2)) |
| 2582 | |
| 2583 | for i in self.pg_interfaces: |
| 2584 | i.admin_up() |
| 2585 | i.config_ip6() |
| 2586 | i.resolve_ndp() |
| 2587 | |
| 2588 | def tearDown(self): |
| 2589 | super(TestIP6Input, self).tearDown() |
| 2590 | for i in self.pg_interfaces: |
| 2591 | i.unconfig_ip6() |
| 2592 | i.admin_down() |
| 2593 | |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 2594 | def test_ip_input_icmp_reply(self): |
| 2595 | """ IP6 Input Exception - Return ICMP (3,0) """ |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2596 | # |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 2597 | # hop limit - ICMP replies |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2598 | # |
| 2599 | p_version = (Ether(src=self.pg0.remote_mac, |
| 2600 | dst=self.pg0.local_mac) / |
| 2601 | IPv6(src=self.pg0.remote_ip6, |
| 2602 | dst=self.pg1.remote_ip6, |
| 2603 | hlim=1) / |
Paul Vinciguerra | 978aa64 | 2018-11-24 22:19:12 -0800 | [diff] [blame] | 2604 | inet6.UDP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2605 | Raw(b'\xa5' * 100)) |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2606 | |
Paul Vinciguerra | 4271c97 | 2019-05-14 13:25:49 -0400 | [diff] [blame] | 2607 | rx = self.send_and_expect(self.pg0, p_version * NUM_PKTS, self.pg0) |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2608 | rx = rx[0] |
| 2609 | icmp = rx[ICMPv6TimeExceeded] |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 2610 | |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2611 | # 0: "hop limit exceeded in transit", |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 2612 | self.assertEqual((icmp.type, icmp.code), (3, 0)) |
| 2613 | |
| 2614 | icmpv6_data = '\x0a' * 18 |
| 2615 | all_0s = "::" |
| 2616 | all_1s = "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF" |
| 2617 | |
| 2618 | @parameterized.expand([ |
| 2619 | # Name, src, dst, l4proto, msg, timeout |
| 2620 | ("src='iface', dst='iface'", None, None, |
| 2621 | inet6.UDP(sport=1234, dport=1234), "funky version", None), |
| 2622 | ("src='All 0's', dst='iface'", all_0s, None, |
| 2623 | ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1), |
| 2624 | ("src='iface', dst='All 0's'", None, all_0s, |
| 2625 | ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1), |
| 2626 | ("src='All 1's', dst='iface'", all_1s, None, |
| 2627 | ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1), |
| 2628 | ("src='iface', dst='All 1's'", None, all_1s, |
| 2629 | ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1), |
| 2630 | ("src='All 1's', dst='All 1's'", all_1s, all_1s, |
| 2631 | ICMPv6EchoRequest(id=0xb, seq=5, data=icmpv6_data), None, 0.1), |
| 2632 | |
| 2633 | ]) |
| 2634 | def test_ip_input_no_replies(self, name, src, dst, l4, msg, timeout): |
| 2635 | |
| 2636 | self._testMethodDoc = 'IPv6 Input Exception - %s' % name |
| 2637 | |
| 2638 | p_version = (Ether(src=self.pg0.remote_mac, |
| 2639 | dst=self.pg0.local_mac) / |
| 2640 | IPv6(src=src or self.pg0.remote_ip6, |
| 2641 | dst=dst or self.pg1.remote_ip6, |
| 2642 | version=3) / |
| 2643 | l4 / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2644 | Raw(b'\xa5' * 100)) |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 2645 | |
Paul Vinciguerra | 4271c97 | 2019-05-14 13:25:49 -0400 | [diff] [blame] | 2646 | self.send_and_assert_no_replies(self.pg0, p_version * NUM_PKTS, |
Neale Ranns | ae80983 | 2018-11-23 09:00:27 -0800 | [diff] [blame] | 2647 | remark=msg or "", |
| 2648 | timeout=timeout) |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2649 | |
Dave Barach | 9080096 | 2019-05-24 13:03:01 -0400 | [diff] [blame] | 2650 | def test_hop_by_hop(self): |
| 2651 | """ Hop-by-hop header test """ |
| 2652 | |
| 2653 | p = (Ether(src=self.pg0.remote_mac, |
| 2654 | dst=self.pg0.local_mac) / |
| 2655 | IPv6(src=self.pg0.remote_ip6, dst=self.pg0.local_ip6) / |
| 2656 | IPv6ExtHdrHopByHop() / |
| 2657 | inet6.UDP(sport=1234, dport=1234) / |
Ole Troan | 770a0de | 2019-11-07 13:52:21 +0100 | [diff] [blame] | 2658 | Raw(b'\xa5' * 100)) |
Dave Barach | 9080096 | 2019-05-24 13:03:01 -0400 | [diff] [blame] | 2659 | |
| 2660 | self.pg0.add_stream(p) |
| 2661 | self.pg_enable_capture(self.pg_interfaces) |
| 2662 | self.pg_start() |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 2663 | |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2664 | |
| 2665 | class TestIPReplace(VppTestCase): |
| 2666 | """ IPv6 Table Replace """ |
| 2667 | |
| 2668 | @classmethod |
| 2669 | def setUpClass(cls): |
| 2670 | super(TestIPReplace, cls).setUpClass() |
| 2671 | |
| 2672 | @classmethod |
| 2673 | def tearDownClass(cls): |
| 2674 | super(TestIPReplace, cls).tearDownClass() |
| 2675 | |
| 2676 | def setUp(self): |
| 2677 | super(TestIPReplace, self).setUp() |
| 2678 | |
| 2679 | self.create_pg_interfaces(range(4)) |
| 2680 | |
| 2681 | table_id = 1 |
| 2682 | self.tables = [] |
| 2683 | |
| 2684 | for i in self.pg_interfaces: |
| 2685 | i.admin_up() |
| 2686 | i.config_ip6() |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2687 | i.generate_remote_hosts(2) |
| 2688 | self.tables.append(VppIpTable(self, table_id, |
| 2689 | True).add_vpp_config()) |
| 2690 | table_id += 1 |
| 2691 | |
| 2692 | def tearDown(self): |
| 2693 | super(TestIPReplace, self).tearDown() |
| 2694 | for i in self.pg_interfaces: |
| 2695 | i.admin_down() |
Neale Ranns | ec40a7d | 2020-04-23 07:36:12 +0000 | [diff] [blame] | 2696 | i.unconfig_ip6() |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2697 | |
| 2698 | def test_replace(self): |
| 2699 | """ IP Table Replace """ |
| 2700 | |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 2701 | MRouteItfFlags = VppEnum.vl_api_mfib_itf_flags_t |
| 2702 | MRouteEntryFlags = VppEnum.vl_api_mfib_entry_flags_t |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2703 | N_ROUTES = 20 |
| 2704 | links = [self.pg0, self.pg1, self.pg2, self.pg3] |
| 2705 | routes = [[], [], [], []] |
| 2706 | |
| 2707 | # the sizes of 'empty' tables |
| 2708 | for t in self.tables: |
| 2709 | self.assertEqual(len(t.dump()), 2) |
| 2710 | self.assertEqual(len(t.mdump()), 5) |
| 2711 | |
| 2712 | # load up the tables with some routes |
| 2713 | for ii, t in enumerate(self.tables): |
| 2714 | for jj in range(1, N_ROUTES): |
| 2715 | uni = VppIpRoute( |
| 2716 | self, "2001::%d" % jj if jj != 0 else "2001::", 128, |
| 2717 | [VppRoutePath(links[ii].remote_hosts[0].ip6, |
| 2718 | links[ii].sw_if_index), |
| 2719 | VppRoutePath(links[ii].remote_hosts[1].ip6, |
| 2720 | links[ii].sw_if_index)], |
| 2721 | table_id=t.table_id).add_vpp_config() |
| 2722 | multi = VppIpMRoute( |
| 2723 | self, "::", |
| 2724 | "ff:2001::%d" % jj, 128, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 2725 | MRouteEntryFlags.MFIB_API_ENTRY_FLAG_NONE, |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2726 | [VppMRoutePath(self.pg0.sw_if_index, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 2727 | MRouteItfFlags.MFIB_API_ITF_FLAG_ACCEPT, |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2728 | proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), |
| 2729 | VppMRoutePath(self.pg1.sw_if_index, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 2730 | MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD, |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2731 | proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), |
| 2732 | VppMRoutePath(self.pg2.sw_if_index, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 2733 | MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD, |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2734 | proto=FibPathProto.FIB_PATH_NH_PROTO_IP6), |
| 2735 | VppMRoutePath(self.pg3.sw_if_index, |
Neale Ranns | 990f694 | 2020-10-20 07:20:17 +0000 | [diff] [blame] | 2736 | MRouteItfFlags.MFIB_API_ITF_FLAG_FORWARD, |
Neale Ranns | 9db6ada | 2019-11-08 12:42:31 +0000 | [diff] [blame] | 2737 | proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)], |
| 2738 | table_id=t.table_id).add_vpp_config() |
| 2739 | routes[ii].append({'uni': uni, |
| 2740 | 'multi': multi}) |
| 2741 | |
| 2742 | # |
| 2743 | # replace the tables a few times |
| 2744 | # |
| 2745 | for kk in range(3): |
| 2746 | # replace each table |
| 2747 | for t in self.tables: |
| 2748 | t.replace_begin() |
| 2749 | |
| 2750 | # all the routes are still there |
| 2751 | for ii, t in enumerate(self.tables): |
| 2752 | dump = t.dump() |
| 2753 | mdump = t.mdump() |
| 2754 | for r in routes[ii]: |
| 2755 | self.assertTrue(find_route_in_dump(dump, r['uni'], t)) |
| 2756 | self.assertTrue(find_mroute_in_dump(mdump, r['multi'], t)) |
| 2757 | |
| 2758 | # redownload the even numbered routes |
| 2759 | for ii, t in enumerate(self.tables): |
| 2760 | for jj in range(0, N_ROUTES, 2): |
| 2761 | routes[ii][jj]['uni'].add_vpp_config() |
| 2762 | routes[ii][jj]['multi'].add_vpp_config() |
| 2763 | |
| 2764 | # signal each table converged |
| 2765 | for t in self.tables: |
| 2766 | t.replace_end() |
| 2767 | |
| 2768 | # we should find the even routes, but not the odd |
| 2769 | for ii, t in enumerate(self.tables): |
| 2770 | dump = t.dump() |
| 2771 | mdump = t.mdump() |
| 2772 | for jj in range(0, N_ROUTES, 2): |
| 2773 | self.assertTrue(find_route_in_dump( |
| 2774 | dump, routes[ii][jj]['uni'], t)) |
| 2775 | self.assertTrue(find_mroute_in_dump( |
| 2776 | mdump, routes[ii][jj]['multi'], t)) |
| 2777 | for jj in range(1, N_ROUTES - 1, 2): |
| 2778 | self.assertFalse(find_route_in_dump( |
| 2779 | dump, routes[ii][jj]['uni'], t)) |
| 2780 | self.assertFalse(find_mroute_in_dump( |
| 2781 | mdump, routes[ii][jj]['multi'], t)) |
| 2782 | |
| 2783 | # reload all the routes |
| 2784 | for ii, t in enumerate(self.tables): |
| 2785 | for r in routes[ii]: |
| 2786 | r['uni'].add_vpp_config() |
| 2787 | r['multi'].add_vpp_config() |
| 2788 | |
| 2789 | # all the routes are still there |
| 2790 | for ii, t in enumerate(self.tables): |
| 2791 | dump = t.dump() |
| 2792 | mdump = t.mdump() |
| 2793 | for r in routes[ii]: |
| 2794 | self.assertTrue(find_route_in_dump(dump, r['uni'], t)) |
| 2795 | self.assertTrue(find_mroute_in_dump(mdump, r['multi'], t)) |
| 2796 | |
| 2797 | # |
| 2798 | # finally flush the tables for good measure |
| 2799 | # |
| 2800 | for t in self.tables: |
| 2801 | t.flush() |
| 2802 | self.assertEqual(len(t.dump()), 2) |
| 2803 | self.assertEqual(len(t.mdump()), 5) |
| 2804 | |
| 2805 | |
Neale Ranns | 59f7113 | 2020-04-08 12:19:38 +0000 | [diff] [blame] | 2806 | class TestIP6Replace(VppTestCase): |
| 2807 | """ IPv4 Interface Address Replace """ |
| 2808 | |
| 2809 | @classmethod |
| 2810 | def setUpClass(cls): |
| 2811 | super(TestIP6Replace, cls).setUpClass() |
| 2812 | |
| 2813 | @classmethod |
| 2814 | def tearDownClass(cls): |
| 2815 | super(TestIP6Replace, cls).tearDownClass() |
| 2816 | |
| 2817 | def setUp(self): |
| 2818 | super(TestIP6Replace, self).setUp() |
| 2819 | |
| 2820 | self.create_pg_interfaces(range(4)) |
| 2821 | |
| 2822 | for i in self.pg_interfaces: |
| 2823 | i.admin_up() |
| 2824 | |
| 2825 | def tearDown(self): |
| 2826 | super(TestIP6Replace, self).tearDown() |
| 2827 | for i in self.pg_interfaces: |
| 2828 | i.admin_down() |
| 2829 | |
| 2830 | def get_n_pfxs(self, intf): |
| 2831 | return len(self.vapi.ip_address_dump(intf.sw_if_index, True)) |
| 2832 | |
| 2833 | def test_replace(self): |
| 2834 | """ IP interface address replace """ |
| 2835 | |
| 2836 | intf_pfxs = [[], [], [], []] |
| 2837 | |
| 2838 | # add prefixes to each of the interfaces |
| 2839 | for i in range(len(self.pg_interfaces)): |
| 2840 | intf = self.pg_interfaces[i] |
| 2841 | |
| 2842 | # 2001:16:x::1/64 |
| 2843 | addr = "2001:16:%d::1" % intf.sw_if_index |
| 2844 | a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() |
| 2845 | intf_pfxs[i].append(a) |
| 2846 | |
| 2847 | # 2001:16:x::2/64 - a different address in the same subnet as above |
| 2848 | addr = "2001:16:%d::2" % intf.sw_if_index |
| 2849 | a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() |
| 2850 | intf_pfxs[i].append(a) |
| 2851 | |
| 2852 | # 2001:15:x::2/64 - a different address and subnet |
| 2853 | addr = "2001:15:%d::2" % intf.sw_if_index |
| 2854 | a = VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() |
| 2855 | intf_pfxs[i].append(a) |
| 2856 | |
| 2857 | # a dump should n_address in it |
| 2858 | for intf in self.pg_interfaces: |
| 2859 | self.assertEqual(self.get_n_pfxs(intf), 3) |
| 2860 | |
| 2861 | # |
| 2862 | # remove all the address thru a replace |
| 2863 | # |
| 2864 | self.vapi.sw_interface_address_replace_begin() |
| 2865 | self.vapi.sw_interface_address_replace_end() |
| 2866 | for intf in self.pg_interfaces: |
| 2867 | self.assertEqual(self.get_n_pfxs(intf), 0) |
| 2868 | |
| 2869 | # |
| 2870 | # add all the interface addresses back |
| 2871 | # |
| 2872 | for p in intf_pfxs: |
| 2873 | for v in p: |
| 2874 | v.add_vpp_config() |
| 2875 | for intf in self.pg_interfaces: |
| 2876 | self.assertEqual(self.get_n_pfxs(intf), 3) |
| 2877 | |
| 2878 | # |
| 2879 | # replace again, but this time update/re-add the address on the first |
| 2880 | # two interfaces |
| 2881 | # |
| 2882 | self.vapi.sw_interface_address_replace_begin() |
| 2883 | |
| 2884 | for p in intf_pfxs[:2]: |
| 2885 | for v in p: |
| 2886 | v.add_vpp_config() |
| 2887 | |
| 2888 | self.vapi.sw_interface_address_replace_end() |
| 2889 | |
| 2890 | # on the first two the address still exist, |
| 2891 | # on the other two they do not |
| 2892 | for intf in self.pg_interfaces[:2]: |
| 2893 | self.assertEqual(self.get_n_pfxs(intf), 3) |
| 2894 | for p in intf_pfxs[:2]: |
| 2895 | for v in p: |
| 2896 | self.assertTrue(v.query_vpp_config()) |
| 2897 | for intf in self.pg_interfaces[2:]: |
| 2898 | self.assertEqual(self.get_n_pfxs(intf), 0) |
| 2899 | |
| 2900 | # |
| 2901 | # add all the interface addresses back on the last two |
| 2902 | # |
| 2903 | for p in intf_pfxs[2:]: |
| 2904 | for v in p: |
| 2905 | v.add_vpp_config() |
| 2906 | for intf in self.pg_interfaces: |
| 2907 | self.assertEqual(self.get_n_pfxs(intf), 3) |
| 2908 | |
| 2909 | # |
| 2910 | # replace again, this time add different prefixes on all the interfaces |
| 2911 | # |
| 2912 | self.vapi.sw_interface_address_replace_begin() |
| 2913 | |
| 2914 | pfxs = [] |
| 2915 | for intf in self.pg_interfaces: |
| 2916 | # 2001:18:x::1/64 |
| 2917 | addr = "2001:18:%d::1" % intf.sw_if_index |
| 2918 | pfxs.append(VppIpInterfaceAddress(self, intf, addr, |
| 2919 | 64).add_vpp_config()) |
| 2920 | |
| 2921 | self.vapi.sw_interface_address_replace_end() |
| 2922 | |
| 2923 | # only .18 should exist on each interface |
| 2924 | for intf in self.pg_interfaces: |
| 2925 | self.assertEqual(self.get_n_pfxs(intf), 1) |
| 2926 | for pfx in pfxs: |
| 2927 | self.assertTrue(pfx.query_vpp_config()) |
| 2928 | |
| 2929 | # |
| 2930 | # remove everything |
| 2931 | # |
| 2932 | self.vapi.sw_interface_address_replace_begin() |
| 2933 | self.vapi.sw_interface_address_replace_end() |
| 2934 | for intf in self.pg_interfaces: |
| 2935 | self.assertEqual(self.get_n_pfxs(intf), 0) |
| 2936 | |
| 2937 | # |
| 2938 | # add prefixes to each interface. post-begin add the prefix from |
| 2939 | # interface X onto interface Y. this would normally be an error |
| 2940 | # since it would generate a 'duplicate address' warning. but in |
| 2941 | # this case, since what is newly downloaded is sane, it's ok |
| 2942 | # |
| 2943 | for intf in self.pg_interfaces: |
| 2944 | # 2001:18:x::1/64 |
| 2945 | addr = "2001:18:%d::1" % intf.sw_if_index |
| 2946 | VppIpInterfaceAddress(self, intf, addr, 64).add_vpp_config() |
| 2947 | |
| 2948 | self.vapi.sw_interface_address_replace_begin() |
| 2949 | |
| 2950 | pfxs = [] |
| 2951 | for intf in self.pg_interfaces: |
| 2952 | # 2001:18:x::1/64 |
| 2953 | addr = "2001:18:%d::1" % (intf.sw_if_index + 1) |
| 2954 | pfxs.append(VppIpInterfaceAddress(self, intf, |
| 2955 | addr, 64).add_vpp_config()) |
| 2956 | |
| 2957 | self.vapi.sw_interface_address_replace_end() |
| 2958 | |
| 2959 | self.logger.info(self.vapi.cli("sh int addr")) |
| 2960 | |
| 2961 | for intf in self.pg_interfaces: |
| 2962 | self.assertEqual(self.get_n_pfxs(intf), 1) |
| 2963 | for pfx in pfxs: |
| 2964 | self.assertTrue(pfx.query_vpp_config()) |
| 2965 | |
| 2966 | |
Neale Ranns | ec40a7d | 2020-04-23 07:36:12 +0000 | [diff] [blame] | 2967 | class TestIP6LinkLocal(VppTestCase): |
| 2968 | """ IPv6 Link Local """ |
| 2969 | |
| 2970 | @classmethod |
| 2971 | def setUpClass(cls): |
| 2972 | super(TestIP6LinkLocal, cls).setUpClass() |
| 2973 | |
| 2974 | @classmethod |
| 2975 | def tearDownClass(cls): |
| 2976 | super(TestIP6LinkLocal, cls).tearDownClass() |
| 2977 | |
| 2978 | def setUp(self): |
| 2979 | super(TestIP6LinkLocal, self).setUp() |
| 2980 | |
| 2981 | self.create_pg_interfaces(range(2)) |
| 2982 | |
| 2983 | for i in self.pg_interfaces: |
| 2984 | i.admin_up() |
| 2985 | |
| 2986 | def tearDown(self): |
| 2987 | super(TestIP6LinkLocal, self).tearDown() |
| 2988 | for i in self.pg_interfaces: |
| 2989 | i.admin_down() |
| 2990 | |
| 2991 | def test_ip6_ll(self): |
| 2992 | """ IPv6 Link Local """ |
| 2993 | |
| 2994 | # |
| 2995 | # two APIs to add a link local address. |
| 2996 | # 1 - just like any other prefix |
| 2997 | # 2 - with the special set LL API |
| 2998 | # |
| 2999 | |
| 3000 | # |
| 3001 | # First with the API to set a 'normal' prefix |
| 3002 | # |
| 3003 | ll1 = "fe80:1::1" |
| 3004 | ll2 = "fe80:2::2" |
| 3005 | ll3 = "fe80:3::3" |
| 3006 | |
Neale Ranns | dfef64b | 2021-05-20 16:28:12 +0000 | [diff] [blame^] | 3007 | VppNeighbor(self, |
| 3008 | self.pg0.sw_if_index, |
| 3009 | self.pg0.remote_mac, |
| 3010 | ll2).add_vpp_config() |
| 3011 | |
Neale Ranns | ec40a7d | 2020-04-23 07:36:12 +0000 | [diff] [blame] | 3012 | VppIpInterfaceAddress(self, self.pg0, ll1, 128).add_vpp_config() |
| 3013 | |
| 3014 | # |
| 3015 | # should be able to ping the ll |
| 3016 | # |
| 3017 | p_echo_request_1 = (Ether(src=self.pg0.remote_mac, |
| 3018 | dst=self.pg0.local_mac) / |
| 3019 | IPv6(src=ll2, |
| 3020 | dst=ll1) / |
| 3021 | ICMPv6EchoRequest()) |
| 3022 | |
| 3023 | self.send_and_expect(self.pg0, [p_echo_request_1], self.pg0) |
| 3024 | |
| 3025 | # |
| 3026 | # change the link-local on pg0 |
| 3027 | # |
| 3028 | v_ll3 = VppIpInterfaceAddress(self, self.pg0, |
| 3029 | ll3, 128).add_vpp_config() |
| 3030 | |
| 3031 | p_echo_request_3 = (Ether(src=self.pg0.remote_mac, |
| 3032 | dst=self.pg0.local_mac) / |
| 3033 | IPv6(src=ll2, |
| 3034 | dst=ll3) / |
| 3035 | ICMPv6EchoRequest()) |
| 3036 | |
| 3037 | self.send_and_expect(self.pg0, [p_echo_request_3], self.pg0) |
| 3038 | |
| 3039 | # |
| 3040 | # set a normal v6 prefix on the link |
| 3041 | # |
| 3042 | self.pg0.config_ip6() |
| 3043 | |
| 3044 | self.send_and_expect(self.pg0, [p_echo_request_3], self.pg0) |
| 3045 | |
| 3046 | # the link-local cannot be removed |
| 3047 | with self.vapi.assert_negative_api_retval(): |
| 3048 | v_ll3.remove_vpp_config() |
| 3049 | |
| 3050 | # |
| 3051 | # Use the specific link-local API on pg1 |
| 3052 | # |
| 3053 | VppIp6LinkLocalAddress(self, self.pg1, ll1).add_vpp_config() |
| 3054 | self.send_and_expect(self.pg1, [p_echo_request_1], self.pg1) |
| 3055 | |
| 3056 | VppIp6LinkLocalAddress(self, self.pg1, ll3).add_vpp_config() |
| 3057 | self.send_and_expect(self.pg1, [p_echo_request_3], self.pg1) |
| 3058 | |
Neale Ranns | dfef64b | 2021-05-20 16:28:12 +0000 | [diff] [blame^] | 3059 | def test_ip6_ll_p2p(self): |
| 3060 | """ IPv6 Link Local P2P (GRE)""" |
| 3061 | |
| 3062 | self.pg0.config_ip4() |
| 3063 | self.pg0.resolve_arp() |
| 3064 | gre_if = VppGreInterface(self, |
| 3065 | self.pg0.local_ip4, |
| 3066 | self.pg0.remote_ip4).add_vpp_config() |
| 3067 | gre_if.admin_up() |
| 3068 | |
| 3069 | ll1 = "fe80:1::1" |
| 3070 | ll2 = "fe80:2::2" |
| 3071 | |
| 3072 | VppIpInterfaceAddress(self, gre_if, ll1, 128).add_vpp_config() |
| 3073 | |
| 3074 | self.logger.info(self.vapi.cli("sh ip6-ll gre0 fe80:2::2")) |
| 3075 | |
| 3076 | p_echo_request_1 = (Ether(src=self.pg0.remote_mac, |
| 3077 | dst=self.pg0.local_mac) / |
| 3078 | IP(src=self.pg0.remote_ip4, |
| 3079 | dst=self.pg0.local_ip4) / |
| 3080 | GRE() / |
| 3081 | IPv6(src=ll2, dst=ll1) / |
| 3082 | ICMPv6EchoRequest()) |
| 3083 | self.send_and_expect(self.pg0, [p_echo_request_1], self.pg0) |
| 3084 | |
| 3085 | self.pg0.unconfig_ip4() |
| 3086 | gre_if.remove_vpp_config() |
| 3087 | |
| 3088 | def test_ip6_ll_p2mp(self): |
| 3089 | """ IPv6 Link Local P2MP (GRE)""" |
| 3090 | |
| 3091 | self.pg0.config_ip4() |
| 3092 | self.pg0.resolve_arp() |
| 3093 | |
| 3094 | gre_if = VppGreInterface( |
| 3095 | self, |
| 3096 | self.pg0.local_ip4, |
| 3097 | "0.0.0.0", |
| 3098 | mode=(VppEnum.vl_api_tunnel_mode_t. |
| 3099 | TUNNEL_API_MODE_MP)).add_vpp_config() |
| 3100 | gre_if.admin_up() |
| 3101 | |
| 3102 | ll1 = "fe80:1::1" |
| 3103 | ll2 = "fe80:2::2" |
| 3104 | |
| 3105 | VppIpInterfaceAddress(self, gre_if, ll1, 128).add_vpp_config() |
| 3106 | |
| 3107 | p_echo_request_1 = (Ether(src=self.pg0.remote_mac, |
| 3108 | dst=self.pg0.local_mac) / |
| 3109 | IP(src=self.pg0.remote_ip4, |
| 3110 | dst=self.pg0.local_ip4) / |
| 3111 | GRE() / |
| 3112 | IPv6(src=ll2, dst=ll1) / |
| 3113 | ICMPv6EchoRequest()) |
| 3114 | |
| 3115 | # no route back at this point |
| 3116 | self.send_and_assert_no_replies(self.pg0, [p_echo_request_1]) |
| 3117 | |
| 3118 | # add teib entry for the peer |
| 3119 | teib = VppTeib(self, gre_if, ll2, self.pg0.remote_ip4) |
| 3120 | teib.add_vpp_config() |
| 3121 | |
| 3122 | self.logger.info(self.vapi.cli("sh ip6-ll gre0 %s" % ll2)) |
| 3123 | self.send_and_expect(self.pg0, [p_echo_request_1], self.pg0) |
| 3124 | |
| 3125 | # teardown |
| 3126 | self.pg0.unconfig_ip4() |
| 3127 | |
Neale Ranns | ec40a7d | 2020-04-23 07:36:12 +0000 | [diff] [blame] | 3128 | |
Neale Ranns | 8f5fef2 | 2020-12-21 08:29:34 +0000 | [diff] [blame] | 3129 | class TestIPv6PathMTU(VppTestCase): |
| 3130 | """ IPv6 Path MTU """ |
| 3131 | |
| 3132 | def setUp(self): |
| 3133 | super(TestIPv6PathMTU, self).setUp() |
| 3134 | |
| 3135 | self.create_pg_interfaces(range(2)) |
| 3136 | |
| 3137 | # setup all interfaces |
| 3138 | for i in self.pg_interfaces: |
| 3139 | i.admin_up() |
| 3140 | i.config_ip6() |
| 3141 | i.resolve_ndp() |
| 3142 | |
| 3143 | def tearDown(self): |
| 3144 | super(TestIPv6PathMTU, self).tearDown() |
| 3145 | for i in self.pg_interfaces: |
| 3146 | i.unconfig_ip6() |
| 3147 | i.admin_down() |
| 3148 | |
| 3149 | def test_path_mtu_local(self): |
| 3150 | """ Path MTU for attached neighbour """ |
| 3151 | |
| 3152 | self.vapi.cli("set log class ip level debug") |
| 3153 | # |
| 3154 | # The goal here is not test that fragmentation works correctly, |
| 3155 | # that's done elsewhere, the intent is to ensure that the Path MTU |
| 3156 | # settings are honoured. |
| 3157 | # |
| 3158 | |
| 3159 | # |
| 3160 | # IPv6 will only frag locally generated packets, so use tunnelled |
| 3161 | # packets post encap |
| 3162 | # |
| 3163 | tun = VppIpIpTunInterface( |
| 3164 | self, |
| 3165 | self.pg1, |
| 3166 | self.pg1.local_ip6, |
| 3167 | self.pg1.remote_ip6) |
| 3168 | tun.add_vpp_config() |
| 3169 | tun.admin_up() |
| 3170 | tun.config_ip6() |
| 3171 | |
| 3172 | # set the interface MTU to a reasonable value |
| 3173 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3174 | [2800, 0, 0, 0]) |
| 3175 | |
| 3176 | p_2k = (Ether(dst=self.pg0.local_mac, |
| 3177 | src=self.pg0.remote_mac) / |
| 3178 | IPv6(src=self.pg0.remote_ip6, |
| 3179 | dst=tun.remote_ip6) / |
| 3180 | UDP(sport=1234, dport=5678) / |
| 3181 | Raw(b'0xa' * 1000)) |
| 3182 | p_1k = (Ether(dst=self.pg0.local_mac, |
| 3183 | src=self.pg0.remote_mac) / |
| 3184 | IPv6(src=self.pg0.remote_ip6, |
| 3185 | dst=tun.remote_ip6) / |
| 3186 | UDP(sport=1234, dport=5678) / |
| 3187 | Raw(b'0xa' * 600)) |
| 3188 | |
| 3189 | nbr = VppNeighbor(self, |
| 3190 | self.pg1.sw_if_index, |
| 3191 | self.pg1.remote_mac, |
| 3192 | self.pg1.remote_ip6).add_vpp_config() |
| 3193 | |
| 3194 | # this is now the interface MTU frags |
| 3195 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) |
| 3196 | self.send_and_expect(self.pg0, [p_1k], self.pg1) |
| 3197 | |
| 3198 | # drop the path MTU for this neighbour to below the interface MTU |
| 3199 | # expect more frags |
| 3200 | pmtu = VppIpPathMtu(self, self.pg1.remote_ip6, 1300).add_vpp_config() |
| 3201 | |
| 3202 | # print/format the adj delegate and trackers |
| 3203 | self.logger.info(self.vapi.cli("sh ip pmtu")) |
| 3204 | self.logger.info(self.vapi.cli("sh adj 7")) |
| 3205 | |
| 3206 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3207 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3208 | |
| 3209 | # increase the path MTU to more than the interface |
| 3210 | # expect to use the interface MTU |
| 3211 | pmtu.modify(8192) |
| 3212 | |
| 3213 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) |
| 3214 | self.send_and_expect(self.pg0, [p_1k], self.pg1) |
| 3215 | |
| 3216 | # go back to an MTU from the path |
| 3217 | pmtu.modify(1300) |
| 3218 | |
| 3219 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3220 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3221 | |
| 3222 | # raise the interface's MTU |
| 3223 | # should still use that of the path |
| 3224 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3225 | [2000, 0, 0, 0]) |
| 3226 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3227 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3228 | |
| 3229 | # set path high and interface low |
| 3230 | pmtu.modify(2000) |
| 3231 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3232 | [1300, 0, 0, 0]) |
| 3233 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3234 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3235 | |
| 3236 | # remove the path MTU |
| 3237 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3238 | [2800, 0, 0, 0]) |
| 3239 | pmtu.modify(0) |
| 3240 | |
| 3241 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) |
| 3242 | self.send_and_expect(self.pg0, [p_1k], self.pg1) |
| 3243 | |
| 3244 | def test_path_mtu_remote(self): |
| 3245 | """ Path MTU for remote neighbour """ |
| 3246 | |
| 3247 | self.vapi.cli("set log class ip level debug") |
| 3248 | # |
| 3249 | # The goal here is not test that fragmentation works correctly, |
| 3250 | # that's done elsewhere, the intent is to ensure that the Path MTU |
| 3251 | # settings are honoured. |
| 3252 | # |
| 3253 | tun_dst = "2001::1" |
| 3254 | |
| 3255 | route = VppIpRoute( |
| 3256 | self, tun_dst, 64, |
| 3257 | [VppRoutePath(self.pg1.remote_ip6, |
| 3258 | self.pg1.sw_if_index)]).add_vpp_config() |
| 3259 | |
| 3260 | # |
| 3261 | # IPv6 will only frag locally generated packets, so use tunnelled |
| 3262 | # packets post encap |
| 3263 | # |
| 3264 | tun = VppIpIpTunInterface( |
| 3265 | self, |
| 3266 | self.pg1, |
| 3267 | self.pg1.local_ip6, |
| 3268 | tun_dst) |
| 3269 | tun.add_vpp_config() |
| 3270 | tun.admin_up() |
| 3271 | tun.config_ip6() |
| 3272 | |
| 3273 | # set the interface MTU to a reasonable value |
| 3274 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3275 | [2800, 0, 0, 0]) |
| 3276 | |
| 3277 | p_2k = (Ether(dst=self.pg0.local_mac, |
| 3278 | src=self.pg0.remote_mac) / |
| 3279 | IPv6(src=self.pg0.remote_ip6, |
| 3280 | dst=tun.remote_ip6) / |
| 3281 | UDP(sport=1234, dport=5678) / |
| 3282 | Raw(b'0xa' * 1000)) |
| 3283 | p_1k = (Ether(dst=self.pg0.local_mac, |
| 3284 | src=self.pg0.remote_mac) / |
| 3285 | IPv6(src=self.pg0.remote_ip6, |
| 3286 | dst=tun.remote_ip6) / |
| 3287 | UDP(sport=1234, dport=5678) / |
| 3288 | Raw(b'0xa' * 600)) |
| 3289 | |
| 3290 | nbr = VppNeighbor(self, |
| 3291 | self.pg1.sw_if_index, |
| 3292 | self.pg1.remote_mac, |
| 3293 | self.pg1.remote_ip6).add_vpp_config() |
| 3294 | |
| 3295 | # this is now the interface MTU frags |
| 3296 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) |
| 3297 | self.send_and_expect(self.pg0, [p_1k], self.pg1) |
| 3298 | |
| 3299 | # drop the path MTU for this neighbour to below the interface MTU |
| 3300 | # expect more frags |
| 3301 | pmtu = VppIpPathMtu(self, tun_dst, 1300).add_vpp_config() |
| 3302 | |
| 3303 | # print/format the fib entry/dpo |
| 3304 | self.logger.info(self.vapi.cli("sh ip6 fib 2001::1")) |
| 3305 | |
| 3306 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3307 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3308 | |
| 3309 | # increase the path MTU to more than the interface |
| 3310 | # expect to use the interface MTU |
| 3311 | pmtu.modify(8192) |
| 3312 | |
| 3313 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) |
| 3314 | self.send_and_expect(self.pg0, [p_1k], self.pg1) |
| 3315 | |
| 3316 | # go back to an MTU from the path |
| 3317 | pmtu.modify(1300) |
| 3318 | |
| 3319 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3320 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3321 | |
| 3322 | # raise the interface's MTU |
| 3323 | # should still use that of the path |
| 3324 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3325 | [2000, 0, 0, 0]) |
| 3326 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3327 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3328 | |
| 3329 | # turn the tun_dst into an attached neighbour |
| 3330 | route.modify([VppRoutePath("::", |
| 3331 | self.pg1.sw_if_index)]) |
| 3332 | nbr2 = VppNeighbor(self, |
| 3333 | self.pg1.sw_if_index, |
| 3334 | self.pg1.remote_mac, |
| 3335 | tun_dst).add_vpp_config() |
| 3336 | |
| 3337 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3338 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3339 | |
| 3340 | # add back to not attached |
| 3341 | nbr2.remove_vpp_config() |
| 3342 | route.modify([VppRoutePath(self.pg1.remote_ip6, |
| 3343 | self.pg1.sw_if_index)]) |
| 3344 | |
| 3345 | # set path high and interface low |
| 3346 | pmtu.modify(2000) |
| 3347 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3348 | [1300, 0, 0, 0]) |
| 3349 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=3) |
| 3350 | self.send_and_expect(self.pg0, [p_1k], self.pg1, n_rx=2) |
| 3351 | |
| 3352 | # remove the path MTU |
| 3353 | self.vapi.sw_interface_set_mtu(self.pg1.sw_if_index, |
| 3354 | [2800, 0, 0, 0]) |
| 3355 | pmtu.remove_vpp_config() |
| 3356 | self.send_and_expect(self.pg0, [p_2k], self.pg1, n_rx=2) |
| 3357 | self.send_and_expect(self.pg0, [p_1k], self.pg1) |
| 3358 | |
| 3359 | |
Neale Ranns | 976b259 | 2019-12-04 06:11:00 +0000 | [diff] [blame] | 3360 | class TestIPFibSource(VppTestCase): |
| 3361 | """ IPv6 Table FibSource """ |
| 3362 | |
| 3363 | @classmethod |
| 3364 | def setUpClass(cls): |
| 3365 | super(TestIPFibSource, cls).setUpClass() |
| 3366 | |
| 3367 | @classmethod |
| 3368 | def tearDownClass(cls): |
| 3369 | super(TestIPFibSource, cls).tearDownClass() |
| 3370 | |
| 3371 | def setUp(self): |
| 3372 | super(TestIPFibSource, self).setUp() |
| 3373 | |
| 3374 | self.create_pg_interfaces(range(2)) |
| 3375 | |
| 3376 | for i in self.pg_interfaces: |
| 3377 | i.admin_up() |
| 3378 | i.config_ip6() |
| 3379 | i.resolve_arp() |
| 3380 | i.generate_remote_hosts(2) |
| 3381 | i.configure_ipv6_neighbors() |
| 3382 | |
| 3383 | def tearDown(self): |
| 3384 | super(TestIPFibSource, self).tearDown() |
| 3385 | for i in self.pg_interfaces: |
| 3386 | i.admin_down() |
| 3387 | i.unconfig_ip4() |
| 3388 | |
| 3389 | def test_fib_source(self): |
| 3390 | """ IP Table FibSource """ |
| 3391 | |
| 3392 | routes = self.vapi.ip_route_v2_dump(0, True) |
| 3393 | |
| 3394 | # 2 interfaces (4 routes) + 2 specials + 4 neighbours = 10 routes |
| 3395 | self.assertEqual(len(routes), 10) |
| 3396 | |
| 3397 | # dump all the sources in the FIB |
| 3398 | sources = self.vapi.fib_source_dump() |
| 3399 | for source in sources: |
| 3400 | if (source.src.name == "API"): |
| 3401 | api_source = source.src |
| 3402 | if (source.src.name == "interface"): |
| 3403 | intf_source = source.src |
| 3404 | if (source.src.name == "adjacency"): |
| 3405 | adj_source = source.src |
| 3406 | if (source.src.name == "special"): |
| 3407 | special_source = source.src |
| 3408 | if (source.src.name == "default-route"): |
| 3409 | dr_source = source.src |
| 3410 | |
| 3411 | # dump the individual route types |
| 3412 | routes = self.vapi.ip_route_v2_dump(0, True, src=adj_source.id) |
| 3413 | self.assertEqual(len(routes), 4) |
| 3414 | routes = self.vapi.ip_route_v2_dump(0, True, src=intf_source.id) |
| 3415 | self.assertEqual(len(routes), 4) |
| 3416 | routes = self.vapi.ip_route_v2_dump(0, True, src=special_source.id) |
| 3417 | self.assertEqual(len(routes), 1) |
| 3418 | routes = self.vapi.ip_route_v2_dump(0, True, src=dr_source.id) |
| 3419 | self.assertEqual(len(routes), 1) |
| 3420 | |
| 3421 | # add a new soure that'a better than the API |
| 3422 | self.vapi.fib_source_add(src={'name': "bgp", |
| 3423 | "priority": api_source.priority - 1}) |
| 3424 | |
| 3425 | # dump all the sources to check our new one is there |
| 3426 | sources = self.vapi.fib_source_dump() |
| 3427 | |
| 3428 | for source in sources: |
| 3429 | if (source.src.name == "bgp"): |
| 3430 | bgp_source = source.src |
| 3431 | |
| 3432 | self.assertTrue(bgp_source) |
| 3433 | self.assertEqual(bgp_source.priority, |
| 3434 | api_source.priority - 1) |
| 3435 | |
| 3436 | # add a route with the default API source |
| 3437 | r1 = VppIpRouteV2( |
| 3438 | self, "2001::1", 128, |
| 3439 | [VppRoutePath(self.pg0.remote_ip6, |
| 3440 | self.pg0.sw_if_index)]).add_vpp_config() |
| 3441 | |
| 3442 | r2 = VppIpRouteV2(self, "2001::1", 128, |
| 3443 | [VppRoutePath(self.pg1.remote_ip6, |
| 3444 | self.pg1.sw_if_index)], |
| 3445 | src=bgp_source.id).add_vpp_config() |
| 3446 | |
| 3447 | # ensure the BGP source takes priority |
| 3448 | p = (Ether(src=self.pg0.remote_mac, |
| 3449 | dst=self.pg0.local_mac) / |
| 3450 | IPv6(src=self.pg0.remote_ip6, dst="2001::1") / |
| 3451 | inet6.UDP(sport=1234, dport=1234) / |
| 3452 | Raw(b'\xa5' * 100)) |
| 3453 | |
| 3454 | self.send_and_expect(self.pg0, [p], self.pg1) |
| 3455 | |
| 3456 | r2.remove_vpp_config() |
| 3457 | r1.remove_vpp_config() |
| 3458 | |
| 3459 | self.assertFalse(find_route(self, "2001::1", 128)) |
| 3460 | |
| 3461 | |
Damjan Marion | f56b77a | 2016-10-03 19:44:57 +0200 | [diff] [blame] | 3462 | if __name__ == '__main__': |
Klement Sekera | f62ae12 | 2016-10-11 11:47:09 +0200 | [diff] [blame] | 3463 | unittest.main(testRunner=VppTestRunner) |