Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | |
| 3 | import unittest |
Gabriel Ganne | a9b2d58 | 2016-12-06 10:25:34 +0100 | [diff] [blame] | 4 | import socket |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 5 | |
| 6 | from framework import VppTestCase, VppTestRunner |
Neale Ranns | d5d7b96 | 2019-08-04 03:30:56 -0700 | [diff] [blame] | 7 | from vpp_ip import DpoProto, INVALID_INDEX |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 8 | from vpp_ip_route import VppIpRoute, VppRoutePath, VppMplsRoute, \ |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 9 | VppMplsIpBind, VppIpMRoute, VppMRoutePath, \ |
Neale Ranns | c0a9314 | 2018-09-05 15:42:26 -0700 | [diff] [blame] | 10 | MRouteItfFlags, MRouteEntryFlags, VppIpTable, VppMplsTable, \ |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 11 | VppMplsLabel, MplsLspMode, find_mpls_route, \ |
| 12 | FibPathProto, FibPathType, FibPathFlags, VppMplsLabel, MplsLspMode |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 13 | from vpp_mpls_tunnel_interface import VppMPLSTunnelInterface |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 14 | |
Paul Vinciguerra | a7427ec | 2019-03-10 10:04:23 -0700 | [diff] [blame] | 15 | import scapy.compat |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 16 | from scapy.packet import Raw |
Klement Sekera | 7bb873a | 2016-11-18 07:38:42 +0100 | [diff] [blame] | 17 | from scapy.layers.l2 import Ether |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 18 | from scapy.layers.inet import IP, UDP, ICMP |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 19 | from scapy.layers.inet6 import IPv6, ICMPv6TimeExceeded |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 20 | from scapy.contrib.mpls import MPLS |
| 21 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 22 | NUM_PKTS = 67 |
| 23 | |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 24 | |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 25 | def verify_filter(capture, sent): |
| 26 | if not len(capture) == len(sent): |
| 27 | # filter out any IPv6 RAs from the capture |
| 28 | for p in capture: |
| 29 | if p.haslayer(IPv6): |
| 30 | capture.remove(p) |
| 31 | return capture |
| 32 | |
| 33 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 34 | def verify_mpls_stack(tst, rx, mpls_labels): |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 35 | # the rx'd packet has the MPLS label popped |
| 36 | eth = rx[Ether] |
| 37 | tst.assertEqual(eth.type, 0x8847) |
| 38 | |
| 39 | rx_mpls = rx[MPLS] |
| 40 | |
| 41 | for ii in range(len(mpls_labels)): |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 42 | tst.assertEqual(rx_mpls.label, mpls_labels[ii].value) |
| 43 | tst.assertEqual(rx_mpls.cos, mpls_labels[ii].exp) |
| 44 | tst.assertEqual(rx_mpls.ttl, mpls_labels[ii].ttl) |
| 45 | |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 46 | if ii == len(mpls_labels) - 1: |
| 47 | tst.assertEqual(rx_mpls.s, 1) |
| 48 | else: |
| 49 | # not end of stack |
| 50 | tst.assertEqual(rx_mpls.s, 0) |
| 51 | # pop the label to expose the next |
| 52 | rx_mpls = rx_mpls[MPLS].payload |
| 53 | |
| 54 | |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 55 | class TestMPLS(VppTestCase): |
| 56 | """ MPLS Test Case """ |
| 57 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 58 | @classmethod |
| 59 | def setUpClass(cls): |
| 60 | super(TestMPLS, cls).setUpClass() |
| 61 | |
| 62 | @classmethod |
| 63 | def tearDownClass(cls): |
| 64 | super(TestMPLS, cls).tearDownClass() |
| 65 | |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 66 | def setUp(self): |
| 67 | super(TestMPLS, self).setUp() |
| 68 | |
| 69 | # create 2 pg interfaces |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 70 | self.create_pg_interfaces(range(4)) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 71 | |
| 72 | # setup both interfaces |
| 73 | # assign them different tables. |
| 74 | table_id = 0 |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 75 | self.tables = [] |
| 76 | |
| 77 | tbl = VppMplsTable(self, 0) |
| 78 | tbl.add_vpp_config() |
| 79 | self.tables.append(tbl) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 80 | |
| 81 | for i in self.pg_interfaces: |
| 82 | i.admin_up() |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 83 | |
| 84 | if table_id != 0: |
| 85 | tbl = VppIpTable(self, table_id) |
| 86 | tbl.add_vpp_config() |
| 87 | self.tables.append(tbl) |
| 88 | tbl = VppIpTable(self, table_id, is_ip6=1) |
| 89 | tbl.add_vpp_config() |
| 90 | self.tables.append(tbl) |
| 91 | |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 92 | i.set_table_ip4(table_id) |
| 93 | i.set_table_ip6(table_id) |
| 94 | i.config_ip4() |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 95 | i.resolve_arp() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 96 | i.config_ip6() |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 97 | i.resolve_ndp() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 98 | i.enable_mpls() |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 99 | table_id += 1 |
| 100 | |
| 101 | def tearDown(self): |
Neale Ranns | 4008ac9 | 2017-02-13 23:20:04 -0800 | [diff] [blame] | 102 | for i in self.pg_interfaces: |
| 103 | i.unconfig_ip4() |
| 104 | i.unconfig_ip6() |
| 105 | i.ip6_disable() |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 106 | i.set_table_ip4(0) |
| 107 | i.set_table_ip6(0) |
| 108 | i.disable_mpls() |
Neale Ranns | 4008ac9 | 2017-02-13 23:20:04 -0800 | [diff] [blame] | 109 | i.admin_down() |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 110 | super(TestMPLS, self).tearDown() |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 111 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 112 | # the default of 64 matches the IP packet TTL default |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 113 | def create_stream_labelled_ip4( |
| 114 | self, |
| 115 | src_if, |
| 116 | mpls_labels, |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 117 | ping=0, |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 118 | ip_itf=None, |
| 119 | dst_ip=None, |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 120 | chksum=None, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 121 | ip_ttl=64, |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 122 | n=257): |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 123 | self.reset_packet_infos() |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 124 | pkts = [] |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 125 | for i in range(0, n): |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 126 | info = self.create_packet_info(src_if, src_if) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 127 | payload = self.info_to_payload(info) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 128 | p = Ether(dst=src_if.local_mac, src=src_if.remote_mac) |
| 129 | |
| 130 | for ii in range(len(mpls_labels)): |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 131 | p = p / MPLS(label=mpls_labels[ii].value, |
| 132 | ttl=mpls_labels[ii].ttl, |
| 133 | cos=mpls_labels[ii].exp) |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 134 | if not ping: |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 135 | if not dst_ip: |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 136 | p = (p / IP(src=src_if.local_ip4, |
| 137 | dst=src_if.remote_ip4, |
| 138 | ttl=ip_ttl) / |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 139 | UDP(sport=1234, dport=1234) / |
| 140 | Raw(payload)) |
| 141 | else: |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 142 | p = (p / IP(src=src_if.local_ip4, dst=dst_ip, ttl=ip_ttl) / |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 143 | UDP(sport=1234, dport=1234) / |
| 144 | Raw(payload)) |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 145 | else: |
| 146 | p = (p / IP(src=ip_itf.remote_ip4, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 147 | dst=ip_itf.local_ip4, |
| 148 | ttl=ip_ttl) / |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 149 | ICMP()) |
| 150 | |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 151 | if chksum: |
| 152 | p[IP].chksum = chksum |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 153 | info.data = p.copy() |
| 154 | pkts.append(p) |
| 155 | return pkts |
| 156 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 157 | def create_stream_ip4(self, src_if, dst_ip, ip_ttl=64, ip_dscp=0): |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 158 | self.reset_packet_infos() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 159 | pkts = [] |
| 160 | for i in range(0, 257): |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 161 | info = self.create_packet_info(src_if, src_if) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 162 | payload = self.info_to_payload(info) |
| 163 | p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 164 | IP(src=src_if.remote_ip4, dst=dst_ip, |
| 165 | ttl=ip_ttl, tos=ip_dscp) / |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 166 | UDP(sport=1234, dport=1234) / |
| 167 | Raw(payload)) |
| 168 | info.data = p.copy() |
| 169 | pkts.append(p) |
| 170 | return pkts |
| 171 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 172 | def create_stream_ip6(self, src_if, dst_ip, ip_ttl=64, ip_dscp=0): |
| 173 | self.reset_packet_infos() |
| 174 | pkts = [] |
| 175 | for i in range(0, 257): |
| 176 | info = self.create_packet_info(src_if, src_if) |
| 177 | payload = self.info_to_payload(info) |
| 178 | p = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / |
| 179 | IPv6(src=src_if.remote_ip6, dst=dst_ip, |
| 180 | hlim=ip_ttl, tc=ip_dscp) / |
| 181 | UDP(sport=1234, dport=1234) / |
| 182 | Raw(payload)) |
| 183 | info.data = p.copy() |
| 184 | pkts.append(p) |
| 185 | return pkts |
| 186 | |
| 187 | def create_stream_labelled_ip6(self, src_if, mpls_labels, |
| 188 | hlim=64, dst_ip=None): |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 189 | if dst_ip is None: |
| 190 | dst_ip = src_if.remote_ip6 |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 191 | self.reset_packet_infos() |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 192 | pkts = [] |
| 193 | for i in range(0, 257): |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 194 | info = self.create_packet_info(src_if, src_if) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 195 | payload = self.info_to_payload(info) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 196 | p = Ether(dst=src_if.local_mac, src=src_if.remote_mac) |
| 197 | for l in mpls_labels: |
| 198 | p = p / MPLS(label=l.value, ttl=l.ttl, cos=l.exp) |
| 199 | |
| 200 | p = p / (IPv6(src=src_if.remote_ip6, dst=dst_ip, hlim=hlim) / |
| 201 | UDP(sport=1234, dport=1234) / |
| 202 | Raw(payload)) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 203 | info.data = p.copy() |
| 204 | pkts.append(p) |
| 205 | return pkts |
| 206 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 207 | def verify_capture_ip4(self, src_if, capture, sent, ping_resp=0, |
| 208 | ip_ttl=None, ip_dscp=0): |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 209 | try: |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 210 | capture = verify_filter(capture, sent) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 211 | |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 212 | self.assertEqual(len(capture), len(sent)) |
| 213 | |
| 214 | for i in range(len(capture)): |
| 215 | tx = sent[i] |
| 216 | rx = capture[i] |
| 217 | |
| 218 | # the rx'd packet has the MPLS label popped |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 219 | eth = rx[Ether] |
| 220 | self.assertEqual(eth.type, 0x800) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 221 | |
| 222 | tx_ip = tx[IP] |
| 223 | rx_ip = rx[IP] |
| 224 | |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 225 | if not ping_resp: |
| 226 | self.assertEqual(rx_ip.src, tx_ip.src) |
| 227 | self.assertEqual(rx_ip.dst, tx_ip.dst) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 228 | self.assertEqual(rx_ip.tos, ip_dscp) |
| 229 | if not ip_ttl: |
| 230 | # IP processing post pop has decremented the TTL |
| 231 | self.assertEqual(rx_ip.ttl + 1, tx_ip.ttl) |
| 232 | else: |
| 233 | self.assertEqual(rx_ip.ttl, ip_ttl) |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 234 | else: |
| 235 | self.assertEqual(rx_ip.src, tx_ip.dst) |
| 236 | self.assertEqual(rx_ip.dst, tx_ip.src) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 237 | |
| 238 | except: |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 239 | raise |
| 240 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 241 | def verify_capture_labelled_ip4(self, src_if, capture, sent, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 242 | mpls_labels, ip_ttl=None): |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 243 | try: |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 244 | capture = verify_filter(capture, sent) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 245 | |
| 246 | self.assertEqual(len(capture), len(sent)) |
| 247 | |
| 248 | for i in range(len(capture)): |
| 249 | tx = sent[i] |
| 250 | rx = capture[i] |
| 251 | tx_ip = tx[IP] |
| 252 | rx_ip = rx[IP] |
| 253 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 254 | verify_mpls_stack(self, rx, mpls_labels) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 255 | |
| 256 | self.assertEqual(rx_ip.src, tx_ip.src) |
| 257 | self.assertEqual(rx_ip.dst, tx_ip.dst) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 258 | if not ip_ttl: |
| 259 | # IP processing post pop has decremented the TTL |
| 260 | self.assertEqual(rx_ip.ttl + 1, tx_ip.ttl) |
| 261 | else: |
| 262 | self.assertEqual(rx_ip.ttl, ip_ttl) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 263 | |
| 264 | except: |
| 265 | raise |
| 266 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 267 | def verify_capture_labelled_ip6(self, src_if, capture, sent, |
| 268 | mpls_labels, ip_ttl=None): |
| 269 | try: |
| 270 | capture = verify_filter(capture, sent) |
| 271 | |
| 272 | self.assertEqual(len(capture), len(sent)) |
| 273 | |
| 274 | for i in range(len(capture)): |
| 275 | tx = sent[i] |
| 276 | rx = capture[i] |
| 277 | tx_ip = tx[IPv6] |
| 278 | rx_ip = rx[IPv6] |
| 279 | |
| 280 | verify_mpls_stack(self, rx, mpls_labels) |
| 281 | |
| 282 | self.assertEqual(rx_ip.src, tx_ip.src) |
| 283 | self.assertEqual(rx_ip.dst, tx_ip.dst) |
| 284 | if not ip_ttl: |
| 285 | # IP processing post pop has decremented the TTL |
| 286 | self.assertEqual(rx_ip.hlim + 1, tx_ip.hlim) |
| 287 | else: |
| 288 | self.assertEqual(rx_ip.hlim, ip_ttl) |
| 289 | |
| 290 | except: |
| 291 | raise |
| 292 | |
| 293 | def verify_capture_tunneled_ip4(self, src_if, capture, sent, mpls_labels): |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 294 | try: |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 295 | capture = verify_filter(capture, sent) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 296 | |
| 297 | self.assertEqual(len(capture), len(sent)) |
| 298 | |
| 299 | for i in range(len(capture)): |
| 300 | tx = sent[i] |
| 301 | rx = capture[i] |
| 302 | tx_ip = tx[IP] |
| 303 | rx_ip = rx[IP] |
| 304 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 305 | verify_mpls_stack(self, rx, mpls_labels) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 306 | |
| 307 | self.assertEqual(rx_ip.src, tx_ip.src) |
| 308 | self.assertEqual(rx_ip.dst, tx_ip.dst) |
| 309 | # IP processing post pop has decremented the TTL |
| 310 | self.assertEqual(rx_ip.ttl + 1, tx_ip.ttl) |
| 311 | |
| 312 | except: |
| 313 | raise |
| 314 | |
| 315 | def verify_capture_labelled(self, src_if, capture, sent, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 316 | mpls_labels): |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 317 | try: |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 318 | capture = verify_filter(capture, sent) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 319 | |
| 320 | self.assertEqual(len(capture), len(sent)) |
| 321 | |
| 322 | for i in range(len(capture)): |
| 323 | rx = capture[i] |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 324 | verify_mpls_stack(self, rx, mpls_labels) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 325 | except: |
| 326 | raise |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 327 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 328 | def verify_capture_ip6(self, src_if, capture, sent, |
| 329 | ip_hlim=None, ip_dscp=0): |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 330 | try: |
| 331 | self.assertEqual(len(capture), len(sent)) |
| 332 | |
| 333 | for i in range(len(capture)): |
| 334 | tx = sent[i] |
| 335 | rx = capture[i] |
| 336 | |
| 337 | # the rx'd packet has the MPLS label popped |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 338 | eth = rx[Ether] |
| 339 | self.assertEqual(eth.type, 0x86DD) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 340 | |
| 341 | tx_ip = tx[IPv6] |
| 342 | rx_ip = rx[IPv6] |
| 343 | |
| 344 | self.assertEqual(rx_ip.src, tx_ip.src) |
| 345 | self.assertEqual(rx_ip.dst, tx_ip.dst) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 346 | self.assertEqual(rx_ip.tc, ip_dscp) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 347 | # IP processing post pop has decremented the TTL |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 348 | if not ip_hlim: |
| 349 | self.assertEqual(rx_ip.hlim + 1, tx_ip.hlim) |
| 350 | else: |
| 351 | self.assertEqual(rx_ip.hlim, ip_hlim) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 352 | |
| 353 | except: |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 354 | raise |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 355 | |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 356 | def verify_capture_ip6_icmp(self, src_if, capture, sent): |
| 357 | try: |
| 358 | self.assertEqual(len(capture), len(sent)) |
| 359 | |
| 360 | for i in range(len(capture)): |
| 361 | tx = sent[i] |
| 362 | rx = capture[i] |
| 363 | |
| 364 | # the rx'd packet has the MPLS label popped |
| 365 | eth = rx[Ether] |
| 366 | self.assertEqual(eth.type, 0x86DD) |
| 367 | |
| 368 | tx_ip = tx[IPv6] |
| 369 | rx_ip = rx[IPv6] |
| 370 | |
| 371 | self.assertEqual(rx_ip.dst, tx_ip.src) |
| 372 | # ICMP sourced from the interface's address |
| 373 | self.assertEqual(rx_ip.src, src_if.local_ip6) |
| 374 | # hop-limit reset to 255 for IMCP packet |
Ole Troan | 282093f | 2018-09-19 12:38:51 +0200 | [diff] [blame] | 375 | self.assertEqual(rx_ip.hlim, 255) |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 376 | |
| 377 | icmp = rx[ICMPv6TimeExceeded] |
| 378 | |
| 379 | except: |
| 380 | raise |
| 381 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 382 | def test_swap(self): |
| 383 | """ MPLS label swap tests """ |
| 384 | |
| 385 | # |
| 386 | # A simple MPLS xconnect - eos label in label out |
| 387 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 388 | route_32_eos = VppMplsRoute(self, 32, 1, |
| 389 | [VppRoutePath(self.pg0.remote_ip4, |
| 390 | self.pg0.sw_if_index, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 391 | labels=[VppMplsLabel(33)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 392 | route_32_eos.add_vpp_config() |
| 393 | |
Neale Ranns | 775f73c | 2018-12-20 03:01:49 -0800 | [diff] [blame] | 394 | self.assertTrue( |
| 395 | find_mpls_route(self, 0, 32, 1, |
| 396 | [VppRoutePath(self.pg0.remote_ip4, |
| 397 | self.pg0.sw_if_index, |
| 398 | labels=[VppMplsLabel(33)])])) |
| 399 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 400 | # |
| 401 | # a stream that matches the route for 10.0.0.1 |
| 402 | # PG0 is in the default table |
| 403 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 404 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 405 | [VppMplsLabel(32, ttl=32, exp=1)]) |
| 406 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 407 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 408 | [VppMplsLabel(33, ttl=31, exp=1)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 409 | |
Neale Ranns | 008dbe1 | 2018-09-07 09:32:36 -0700 | [diff] [blame] | 410 | self.assertEqual(route_32_eos.get_stats_to()['packets'], 257) |
| 411 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 412 | # |
| 413 | # A simple MPLS xconnect - non-eos label in label out |
| 414 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 415 | route_32_neos = VppMplsRoute(self, 32, 0, |
| 416 | [VppRoutePath(self.pg0.remote_ip4, |
| 417 | self.pg0.sw_if_index, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 418 | labels=[VppMplsLabel(33)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 419 | route_32_neos.add_vpp_config() |
| 420 | |
| 421 | # |
| 422 | # a stream that matches the route for 10.0.0.1 |
| 423 | # PG0 is in the default table |
| 424 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 425 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 426 | [VppMplsLabel(32, ttl=21, exp=7), |
| 427 | VppMplsLabel(99)]) |
| 428 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 429 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 430 | [VppMplsLabel(33, ttl=20, exp=7), |
| 431 | VppMplsLabel(99)]) |
Neale Ranns | 008dbe1 | 2018-09-07 09:32:36 -0700 | [diff] [blame] | 432 | self.assertEqual(route_32_neos.get_stats_to()['packets'], 257) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 433 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 434 | # |
| 435 | # A simple MPLS xconnect - non-eos label in label out, uniform mode |
| 436 | # |
| 437 | route_42_neos = VppMplsRoute( |
| 438 | self, 42, 0, |
| 439 | [VppRoutePath(self.pg0.remote_ip4, |
| 440 | self.pg0.sw_if_index, |
| 441 | labels=[VppMplsLabel(43, MplsLspMode.UNIFORM)])]) |
| 442 | route_42_neos.add_vpp_config() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 443 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 444 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 445 | [VppMplsLabel(42, ttl=21, exp=7), |
| 446 | VppMplsLabel(99)]) |
| 447 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 448 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 449 | [VppMplsLabel(43, ttl=20, exp=7), |
| 450 | VppMplsLabel(99)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 451 | |
| 452 | # |
| 453 | # An MPLS xconnect - EOS label in IP out |
| 454 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 455 | route_33_eos = VppMplsRoute(self, 33, 1, |
| 456 | [VppRoutePath(self.pg0.remote_ip4, |
| 457 | self.pg0.sw_if_index, |
| 458 | labels=[])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 459 | route_33_eos.add_vpp_config() |
| 460 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 461 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(33)]) |
| 462 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 463 | self.verify_capture_ip4(self.pg0, rx, tx) |
| 464 | |
| 465 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 466 | # disposed packets have an invalid IPv4 checksum |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 467 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 468 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(33)], |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 469 | dst_ip=self.pg0.remote_ip4, |
| 470 | n=65, |
| 471 | chksum=1) |
| 472 | self.send_and_assert_no_replies(self.pg0, tx, "Invalid Checksum") |
| 473 | |
| 474 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 475 | # An MPLS xconnect - EOS label in IP out, uniform mode |
| 476 | # |
| 477 | route_3333_eos = VppMplsRoute( |
| 478 | self, 3333, 1, |
| 479 | [VppRoutePath(self.pg0.remote_ip4, |
| 480 | self.pg0.sw_if_index, |
| 481 | labels=[VppMplsLabel(3, MplsLspMode.UNIFORM)])]) |
| 482 | route_3333_eos.add_vpp_config() |
| 483 | |
| 484 | tx = self.create_stream_labelled_ip4( |
| 485 | self.pg0, |
| 486 | [VppMplsLabel(3333, ttl=55, exp=3)]) |
| 487 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 488 | self.verify_capture_ip4(self.pg0, rx, tx, ip_ttl=54, ip_dscp=0x60) |
| 489 | tx = self.create_stream_labelled_ip4( |
| 490 | self.pg0, |
| 491 | [VppMplsLabel(3333, ttl=66, exp=4)]) |
| 492 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 493 | self.verify_capture_ip4(self.pg0, rx, tx, ip_ttl=65, ip_dscp=0x80) |
| 494 | |
| 495 | # |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 496 | # An MPLS xconnect - EOS label in IPv6 out |
| 497 | # |
| 498 | route_333_eos = VppMplsRoute( |
| 499 | self, 333, 1, |
| 500 | [VppRoutePath(self.pg0.remote_ip6, |
| 501 | self.pg0.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 502 | labels=[])], |
| 503 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP6) |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 504 | route_333_eos.add_vpp_config() |
| 505 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 506 | tx = self.create_stream_labelled_ip6(self.pg0, [VppMplsLabel(333)]) |
| 507 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 508 | self.verify_capture_ip6(self.pg0, rx, tx) |
| 509 | |
| 510 | # |
| 511 | # disposed packets have an TTL expired |
| 512 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 513 | tx = self.create_stream_labelled_ip6(self.pg0, |
| 514 | [VppMplsLabel(333, ttl=64)], |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 515 | dst_ip=self.pg1.remote_ip6, |
| 516 | hlim=1) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 517 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 518 | self.verify_capture_ip6_icmp(self.pg0, rx, tx) |
| 519 | |
| 520 | # |
| 521 | # An MPLS xconnect - EOS label in IPv6 out w imp-null |
| 522 | # |
| 523 | route_334_eos = VppMplsRoute( |
| 524 | self, 334, 1, |
| 525 | [VppRoutePath(self.pg0.remote_ip6, |
| 526 | self.pg0.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 527 | labels=[VppMplsLabel(3)])], |
| 528 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP6) |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 529 | route_334_eos.add_vpp_config() |
| 530 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 531 | tx = self.create_stream_labelled_ip6(self.pg0, |
| 532 | [VppMplsLabel(334, ttl=64)]) |
| 533 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 534 | self.verify_capture_ip6(self.pg0, rx, tx) |
| 535 | |
| 536 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 537 | # An MPLS xconnect - EOS label in IPv6 out w imp-null in uniform mode |
| 538 | # |
| 539 | route_335_eos = VppMplsRoute( |
| 540 | self, 335, 1, |
| 541 | [VppRoutePath(self.pg0.remote_ip6, |
| 542 | self.pg0.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 543 | labels=[VppMplsLabel(3, MplsLspMode.UNIFORM)])], |
| 544 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP6) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 545 | route_335_eos.add_vpp_config() |
| 546 | |
| 547 | tx = self.create_stream_labelled_ip6( |
| 548 | self.pg0, |
| 549 | [VppMplsLabel(335, ttl=27, exp=4)]) |
| 550 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 551 | self.verify_capture_ip6(self.pg0, rx, tx, ip_hlim=26, ip_dscp=0x80) |
| 552 | |
| 553 | # |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 554 | # disposed packets have an TTL expired |
| 555 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 556 | tx = self.create_stream_labelled_ip6(self.pg0, [VppMplsLabel(334)], |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 557 | dst_ip=self.pg1.remote_ip6, |
| 558 | hlim=0) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 559 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | 62fe07c | 2017-10-31 12:28:22 -0700 | [diff] [blame] | 560 | self.verify_capture_ip6_icmp(self.pg0, rx, tx) |
| 561 | |
| 562 | # |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 563 | # An MPLS xconnect - non-EOS label in IP out - an invalid configuration |
| 564 | # so this traffic should be dropped. |
| 565 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 566 | route_33_neos = VppMplsRoute(self, 33, 0, |
| 567 | [VppRoutePath(self.pg0.remote_ip4, |
| 568 | self.pg0.sw_if_index, |
| 569 | labels=[])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 570 | route_33_neos.add_vpp_config() |
| 571 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 572 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 573 | [VppMplsLabel(33), |
| 574 | VppMplsLabel(99)]) |
| 575 | self.send_and_assert_no_replies( |
| 576 | self.pg0, tx, |
| 577 | "MPLS non-EOS packets popped and forwarded") |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 578 | |
| 579 | # |
| 580 | # A recursive EOS x-connect, which resolves through another x-connect |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 581 | # in pipe mode |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 582 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 583 | route_34_eos = VppMplsRoute(self, 34, 1, |
| 584 | [VppRoutePath("0.0.0.0", |
| 585 | 0xffffffff, |
| 586 | nh_via_label=32, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 587 | labels=[VppMplsLabel(44), |
| 588 | VppMplsLabel(45)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 589 | route_34_eos.add_vpp_config() |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 590 | self.logger.info(self.vapi.cli("sh mpls fib 34")) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 591 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 592 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 593 | [VppMplsLabel(34, ttl=3)]) |
| 594 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 595 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 596 | [VppMplsLabel(33), |
| 597 | VppMplsLabel(44), |
| 598 | VppMplsLabel(45, ttl=2)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 599 | |
Neale Ranns | 008dbe1 | 2018-09-07 09:32:36 -0700 | [diff] [blame] | 600 | self.assertEqual(route_34_eos.get_stats_to()['packets'], 257) |
| 601 | self.assertEqual(route_32_neos.get_stats_via()['packets'], 257) |
| 602 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 603 | # |
| 604 | # A recursive EOS x-connect, which resolves through another x-connect |
| 605 | # in uniform mode |
| 606 | # |
| 607 | route_35_eos = VppMplsRoute( |
| 608 | self, 35, 1, |
| 609 | [VppRoutePath("0.0.0.0", |
| 610 | 0xffffffff, |
| 611 | nh_via_label=42, |
| 612 | labels=[VppMplsLabel(44)])]) |
| 613 | route_35_eos.add_vpp_config() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 614 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 615 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 616 | [VppMplsLabel(35, ttl=3)]) |
| 617 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 618 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 619 | [VppMplsLabel(43, ttl=2), |
| 620 | VppMplsLabel(44, ttl=2)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 621 | |
| 622 | # |
Matej Klotton | deb6984 | 2016-12-09 15:05:46 +0100 | [diff] [blame] | 623 | # A recursive non-EOS x-connect, which resolves through another |
| 624 | # x-connect |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 625 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 626 | route_34_neos = VppMplsRoute(self, 34, 0, |
| 627 | [VppRoutePath("0.0.0.0", |
| 628 | 0xffffffff, |
| 629 | nh_via_label=32, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 630 | labels=[VppMplsLabel(44), |
| 631 | VppMplsLabel(46)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 632 | route_34_neos.add_vpp_config() |
| 633 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 634 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 635 | [VppMplsLabel(34, ttl=45), |
| 636 | VppMplsLabel(99)]) |
| 637 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Matej Klotton | deb6984 | 2016-12-09 15:05:46 +0100 | [diff] [blame] | 638 | # it's the 2nd (counting from 0) label in the stack that is swapped |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 639 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 640 | [VppMplsLabel(33), |
| 641 | VppMplsLabel(44), |
| 642 | VppMplsLabel(46, ttl=44), |
| 643 | VppMplsLabel(99)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 644 | |
| 645 | # |
Matej Klotton | deb6984 | 2016-12-09 15:05:46 +0100 | [diff] [blame] | 646 | # an recursive IP route that resolves through the recursive non-eos |
| 647 | # x-connect |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 648 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 649 | ip_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, |
| 650 | [VppRoutePath("0.0.0.0", |
| 651 | 0xffffffff, |
| 652 | nh_via_label=34, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 653 | labels=[VppMplsLabel(55)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 654 | ip_10_0_0_1.add_vpp_config() |
| 655 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 656 | tx = self.create_stream_ip4(self.pg0, "10.0.0.1") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 657 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 658 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, |
| 659 | [VppMplsLabel(33), |
| 660 | VppMplsLabel(44), |
| 661 | VppMplsLabel(46), |
| 662 | VppMplsLabel(55)]) |
Neale Ranns | 008dbe1 | 2018-09-07 09:32:36 -0700 | [diff] [blame] | 663 | self.assertEqual(ip_10_0_0_1.get_stats_to()['packets'], 257) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 664 | |
| 665 | ip_10_0_0_1.remove_vpp_config() |
| 666 | route_34_neos.remove_vpp_config() |
| 667 | route_34_eos.remove_vpp_config() |
| 668 | route_33_neos.remove_vpp_config() |
| 669 | route_33_eos.remove_vpp_config() |
| 670 | route_32_neos.remove_vpp_config() |
| 671 | route_32_eos.remove_vpp_config() |
| 672 | |
| 673 | def test_bind(self): |
| 674 | """ MPLS Local Label Binding test """ |
| 675 | |
| 676 | # |
| 677 | # Add a non-recursive route with a single out label |
| 678 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 679 | route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, |
| 680 | [VppRoutePath(self.pg0.remote_ip4, |
| 681 | self.pg0.sw_if_index, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 682 | labels=[VppMplsLabel(45)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 683 | route_10_0_0_1.add_vpp_config() |
| 684 | |
| 685 | # bind a local label to the route |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 686 | binding = VppMplsIpBind(self, 44, "10.0.0.1", 32) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 687 | binding.add_vpp_config() |
| 688 | |
| 689 | # non-EOS stream |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 690 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 691 | [VppMplsLabel(44), |
| 692 | VppMplsLabel(99)]) |
| 693 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 694 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 695 | [VppMplsLabel(45, ttl=63), |
| 696 | VppMplsLabel(99)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 697 | |
| 698 | # EOS stream |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 699 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(44)]) |
| 700 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 701 | self.verify_capture_labelled(self.pg0, rx, tx, |
| 702 | [VppMplsLabel(45, ttl=63)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 703 | |
| 704 | # IP stream |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 705 | tx = self.create_stream_ip4(self.pg0, "10.0.0.1") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 706 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 707 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, [VppMplsLabel(45)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 708 | |
| 709 | # |
| 710 | # cleanup |
| 711 | # |
| 712 | binding.remove_vpp_config() |
| 713 | route_10_0_0_1.remove_vpp_config() |
| 714 | |
| 715 | def test_imposition(self): |
| 716 | """ MPLS label imposition test """ |
| 717 | |
| 718 | # |
| 719 | # Add a non-recursive route with a single out label |
| 720 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 721 | route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, |
| 722 | [VppRoutePath(self.pg0.remote_ip4, |
| 723 | self.pg0.sw_if_index, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 724 | labels=[VppMplsLabel(32)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 725 | route_10_0_0_1.add_vpp_config() |
| 726 | |
| 727 | # |
| 728 | # a stream that matches the route for 10.0.0.1 |
| 729 | # PG0 is in the default table |
| 730 | # |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 731 | tx = self.create_stream_ip4(self.pg0, "10.0.0.1") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 732 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 733 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, [VppMplsLabel(32)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 734 | |
| 735 | # |
| 736 | # Add a non-recursive route with a 3 out labels |
| 737 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 738 | route_10_0_0_2 = VppIpRoute(self, "10.0.0.2", 32, |
| 739 | [VppRoutePath(self.pg0.remote_ip4, |
| 740 | self.pg0.sw_if_index, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 741 | labels=[VppMplsLabel(32), |
| 742 | VppMplsLabel(33), |
| 743 | VppMplsLabel(34)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 744 | route_10_0_0_2.add_vpp_config() |
| 745 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 746 | tx = self.create_stream_ip4(self.pg0, "10.0.0.2", |
| 747 | ip_ttl=44, ip_dscp=0xff) |
| 748 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 749 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, |
| 750 | [VppMplsLabel(32), |
| 751 | VppMplsLabel(33), |
| 752 | VppMplsLabel(34)], |
| 753 | ip_ttl=43) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 754 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 755 | # |
| 756 | # Add a non-recursive route with a single out label in uniform mode |
| 757 | # |
| 758 | route_10_0_0_3 = VppIpRoute( |
| 759 | self, "10.0.0.3", 32, |
| 760 | [VppRoutePath(self.pg0.remote_ip4, |
| 761 | self.pg0.sw_if_index, |
| 762 | labels=[VppMplsLabel(32, |
| 763 | mode=MplsLspMode.UNIFORM)])]) |
| 764 | route_10_0_0_3.add_vpp_config() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 765 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 766 | tx = self.create_stream_ip4(self.pg0, "10.0.0.3", |
| 767 | ip_ttl=54, ip_dscp=0xbe) |
| 768 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 769 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, |
| 770 | [VppMplsLabel(32, ttl=53, exp=5)]) |
| 771 | |
| 772 | # |
| 773 | # Add a IPv6 non-recursive route with a single out label in |
| 774 | # uniform mode |
| 775 | # |
| 776 | route_2001_3 = VppIpRoute( |
| 777 | self, "2001::3", 128, |
| 778 | [VppRoutePath(self.pg0.remote_ip6, |
| 779 | self.pg0.sw_if_index, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 780 | labels=[VppMplsLabel(32, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 781 | mode=MplsLspMode.UNIFORM)])]) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 782 | route_2001_3.add_vpp_config() |
| 783 | |
| 784 | tx = self.create_stream_ip6(self.pg0, "2001::3", |
| 785 | ip_ttl=54, ip_dscp=0xbe) |
| 786 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 787 | self.verify_capture_labelled_ip6(self.pg0, rx, tx, |
| 788 | [VppMplsLabel(32, ttl=53, exp=5)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 789 | |
| 790 | # |
Matej Klotton | deb6984 | 2016-12-09 15:05:46 +0100 | [diff] [blame] | 791 | # add a recursive path, with output label, via the 1 label route |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 792 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 793 | route_11_0_0_1 = VppIpRoute(self, "11.0.0.1", 32, |
| 794 | [VppRoutePath("10.0.0.1", |
| 795 | 0xffffffff, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 796 | labels=[VppMplsLabel(44)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 797 | route_11_0_0_1.add_vpp_config() |
| 798 | |
| 799 | # |
| 800 | # a stream that matches the route for 11.0.0.1, should pick up |
| 801 | # the label stack for 11.0.0.1 and 10.0.0.1 |
| 802 | # |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 803 | tx = self.create_stream_ip4(self.pg0, "11.0.0.1") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 804 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 805 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, |
| 806 | [VppMplsLabel(32), |
| 807 | VppMplsLabel(44)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 808 | |
Neale Ranns | 008dbe1 | 2018-09-07 09:32:36 -0700 | [diff] [blame] | 809 | self.assertEqual(route_11_0_0_1.get_stats_to()['packets'], 257) |
| 810 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 811 | # |
| 812 | # add a recursive path, with 2 labels, via the 3 label route |
| 813 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 814 | route_11_0_0_2 = VppIpRoute(self, "11.0.0.2", 32, |
| 815 | [VppRoutePath("10.0.0.2", |
| 816 | 0xffffffff, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 817 | labels=[VppMplsLabel(44), |
| 818 | VppMplsLabel(45)])]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 819 | route_11_0_0_2.add_vpp_config() |
| 820 | |
| 821 | # |
| 822 | # a stream that matches the route for 11.0.0.1, should pick up |
| 823 | # the label stack for 11.0.0.1 and 10.0.0.1 |
| 824 | # |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 825 | tx = self.create_stream_ip4(self.pg0, "11.0.0.2") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 826 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 827 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, |
| 828 | [VppMplsLabel(32), |
| 829 | VppMplsLabel(33), |
| 830 | VppMplsLabel(34), |
| 831 | VppMplsLabel(44), |
| 832 | VppMplsLabel(45)]) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 833 | |
Neale Ranns | 008dbe1 | 2018-09-07 09:32:36 -0700 | [diff] [blame] | 834 | self.assertEqual(route_11_0_0_2.get_stats_to()['packets'], 257) |
| 835 | |
| 836 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 837 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, |
| 838 | [VppMplsLabel(32), |
| 839 | VppMplsLabel(33), |
| 840 | VppMplsLabel(34), |
| 841 | VppMplsLabel(44), |
| 842 | VppMplsLabel(45)]) |
| 843 | |
| 844 | self.assertEqual(route_11_0_0_2.get_stats_to()['packets'], 514) |
| 845 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 846 | # |
| 847 | # cleanup |
| 848 | # |
| 849 | route_11_0_0_2.remove_vpp_config() |
| 850 | route_11_0_0_1.remove_vpp_config() |
| 851 | route_10_0_0_2.remove_vpp_config() |
| 852 | route_10_0_0_1.remove_vpp_config() |
| 853 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 854 | def test_tunnel_pipe(self): |
| 855 | """ MPLS Tunnel Tests - Pipe """ |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 856 | |
| 857 | # |
| 858 | # Create a tunnel with a single out label |
| 859 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 860 | mpls_tun = VppMPLSTunnelInterface( |
| 861 | self, |
| 862 | [VppRoutePath(self.pg0.remote_ip4, |
| 863 | self.pg0.sw_if_index, |
| 864 | labels=[VppMplsLabel(44), |
| 865 | VppMplsLabel(46)])]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 866 | mpls_tun.add_vpp_config() |
| 867 | mpls_tun.admin_up() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 868 | |
| 869 | # |
| 870 | # add an unlabelled route through the new tunnel |
| 871 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 872 | route_10_0_0_3 = VppIpRoute(self, "10.0.0.3", 32, |
| 873 | [VppRoutePath("0.0.0.0", |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 874 | mpls_tun._sw_if_index)]) |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 875 | route_10_0_0_3.add_vpp_config() |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 876 | |
| 877 | self.vapi.cli("clear trace") |
| 878 | tx = self.create_stream_ip4(self.pg0, "10.0.0.3") |
| 879 | self.pg0.add_stream(tx) |
| 880 | |
| 881 | self.pg_enable_capture(self.pg_interfaces) |
| 882 | self.pg_start() |
| 883 | |
| 884 | rx = self.pg0.get_capture() |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 885 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, |
| 886 | [VppMplsLabel(44), |
| 887 | VppMplsLabel(46)]) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 888 | |
Neale Ranns | 8c4611b | 2017-05-23 03:43:47 -0700 | [diff] [blame] | 889 | # |
| 890 | # add a labelled route through the new tunnel |
| 891 | # |
| 892 | route_10_0_0_4 = VppIpRoute(self, "10.0.0.4", 32, |
| 893 | [VppRoutePath("0.0.0.0", |
| 894 | mpls_tun._sw_if_index, |
| 895 | labels=[33])]) |
| 896 | route_10_0_0_4.add_vpp_config() |
| 897 | |
| 898 | self.vapi.cli("clear trace") |
| 899 | tx = self.create_stream_ip4(self.pg0, "10.0.0.4") |
| 900 | self.pg0.add_stream(tx) |
| 901 | |
| 902 | self.pg_enable_capture(self.pg_interfaces) |
| 903 | self.pg_start() |
| 904 | |
| 905 | rx = self.pg0.get_capture() |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 906 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, |
| 907 | [VppMplsLabel(44), |
| 908 | VppMplsLabel(46), |
| 909 | VppMplsLabel(33, ttl=255)]) |
| 910 | |
| 911 | def test_tunnel_uniform(self): |
| 912 | """ MPLS Tunnel Tests - Uniform """ |
| 913 | |
| 914 | # |
| 915 | # Create a tunnel with a single out label |
| 916 | # The label stack is specified here from outer to inner |
| 917 | # |
| 918 | mpls_tun = VppMPLSTunnelInterface( |
| 919 | self, |
| 920 | [VppRoutePath(self.pg0.remote_ip4, |
| 921 | self.pg0.sw_if_index, |
| 922 | labels=[VppMplsLabel(44, ttl=32), |
| 923 | VppMplsLabel(46, MplsLspMode.UNIFORM)])]) |
| 924 | mpls_tun.add_vpp_config() |
| 925 | mpls_tun.admin_up() |
| 926 | |
| 927 | # |
| 928 | # add an unlabelled route through the new tunnel |
| 929 | # |
| 930 | route_10_0_0_3 = VppIpRoute(self, "10.0.0.3", 32, |
| 931 | [VppRoutePath("0.0.0.0", |
| 932 | mpls_tun._sw_if_index)]) |
| 933 | route_10_0_0_3.add_vpp_config() |
| 934 | |
| 935 | self.vapi.cli("clear trace") |
| 936 | tx = self.create_stream_ip4(self.pg0, "10.0.0.3", ip_ttl=24) |
| 937 | self.pg0.add_stream(tx) |
| 938 | |
| 939 | self.pg_enable_capture(self.pg_interfaces) |
| 940 | self.pg_start() |
| 941 | |
| 942 | rx = self.pg0.get_capture() |
| 943 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, |
| 944 | [VppMplsLabel(44, ttl=32), |
| 945 | VppMplsLabel(46, ttl=23)]) |
| 946 | |
| 947 | # |
| 948 | # add a labelled route through the new tunnel |
| 949 | # |
| 950 | route_10_0_0_4 = VppIpRoute( |
| 951 | self, "10.0.0.4", 32, |
| 952 | [VppRoutePath("0.0.0.0", |
| 953 | mpls_tun._sw_if_index, |
| 954 | labels=[VppMplsLabel(33, ttl=47)])]) |
| 955 | route_10_0_0_4.add_vpp_config() |
| 956 | |
| 957 | self.vapi.cli("clear trace") |
| 958 | tx = self.create_stream_ip4(self.pg0, "10.0.0.4") |
| 959 | self.pg0.add_stream(tx) |
| 960 | |
| 961 | self.pg_enable_capture(self.pg_interfaces) |
| 962 | self.pg_start() |
| 963 | |
| 964 | rx = self.pg0.get_capture() |
| 965 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, |
| 966 | [VppMplsLabel(44, ttl=32), |
| 967 | VppMplsLabel(46, ttl=47), |
| 968 | VppMplsLabel(33, ttl=47)]) |
Neale Ranns | 8c4611b | 2017-05-23 03:43:47 -0700 | [diff] [blame] | 969 | |
Neale Ranns | f5fa5ae | 2018-09-26 05:07:25 -0700 | [diff] [blame] | 970 | def test_mpls_tunnel_many(self): |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 971 | """ MPLS Multiple Tunnels """ |
Neale Ranns | f5fa5ae | 2018-09-26 05:07:25 -0700 | [diff] [blame] | 972 | |
| 973 | for ii in range(10): |
| 974 | mpls_tun = VppMPLSTunnelInterface( |
| 975 | self, |
| 976 | [VppRoutePath(self.pg0.remote_ip4, |
| 977 | self.pg0.sw_if_index, |
| 978 | labels=[VppMplsLabel(44, ttl=32), |
| 979 | VppMplsLabel(46, MplsLspMode.UNIFORM)])]) |
| 980 | mpls_tun.add_vpp_config() |
| 981 | mpls_tun.admin_up() |
| 982 | |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 983 | def test_v4_exp_null(self): |
| 984 | """ MPLS V4 Explicit NULL test """ |
| 985 | |
| 986 | # |
| 987 | # The first test case has an MPLS TTL of 0 |
| 988 | # all packet should be dropped |
| 989 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 990 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 991 | [VppMplsLabel(0, ttl=0)]) |
| 992 | self.send_and_assert_no_replies(self.pg0, tx, |
| 993 | "MPLS TTL=0 packets forwarded") |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 994 | |
| 995 | # |
| 996 | # a stream with a non-zero MPLS TTL |
| 997 | # PG0 is in the default table |
| 998 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 999 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(0)]) |
| 1000 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 1001 | self.verify_capture_ip4(self.pg0, rx, tx) |
| 1002 | |
| 1003 | # |
| 1004 | # a stream with a non-zero MPLS TTL |
| 1005 | # PG1 is in table 1 |
| 1006 | # we are ensuring the post-pop lookup occurs in the VRF table |
| 1007 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1008 | tx = self.create_stream_labelled_ip4(self.pg1, [VppMplsLabel(0)]) |
| 1009 | rx = self.send_and_expect(self.pg1, tx, self.pg1) |
| 1010 | self.verify_capture_ip4(self.pg1, rx, tx) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 1011 | |
| 1012 | def test_v6_exp_null(self): |
| 1013 | """ MPLS V6 Explicit NULL test """ |
| 1014 | |
| 1015 | # |
| 1016 | # a stream with a non-zero MPLS TTL |
| 1017 | # PG0 is in the default table |
| 1018 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1019 | tx = self.create_stream_labelled_ip6(self.pg0, [VppMplsLabel(2)]) |
| 1020 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 1021 | self.verify_capture_ip6(self.pg0, rx, tx) |
| 1022 | |
| 1023 | # |
| 1024 | # a stream with a non-zero MPLS TTL |
| 1025 | # PG1 is in table 1 |
| 1026 | # we are ensuring the post-pop lookup occurs in the VRF table |
| 1027 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1028 | tx = self.create_stream_labelled_ip6(self.pg1, [VppMplsLabel(2)]) |
| 1029 | rx = self.send_and_expect(self.pg1, tx, self.pg1) |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 1030 | self.verify_capture_ip6(self.pg0, rx, tx) |
| 1031 | |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 1032 | def test_deag(self): |
| 1033 | """ MPLS Deagg """ |
| 1034 | |
| 1035 | # |
| 1036 | # A de-agg route - next-hop lookup in default table |
| 1037 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 1038 | route_34_eos = VppMplsRoute(self, 34, 1, |
| 1039 | [VppRoutePath("0.0.0.0", |
| 1040 | 0xffffffff, |
| 1041 | nh_table_id=0)]) |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 1042 | route_34_eos.add_vpp_config() |
| 1043 | |
| 1044 | # |
| 1045 | # ping an interface in the default table |
| 1046 | # PG0 is in the default table |
| 1047 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1048 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 1049 | [VppMplsLabel(34)], |
| 1050 | ping=1, |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 1051 | ip_itf=self.pg0) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1052 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 1053 | self.verify_capture_ip4(self.pg0, rx, tx, ping_resp=1) |
| 1054 | |
| 1055 | # |
| 1056 | # A de-agg route - next-hop lookup in non-default table |
| 1057 | # |
Neale Ranns | 5a8123b | 2017-01-26 01:18:23 -0800 | [diff] [blame] | 1058 | route_35_eos = VppMplsRoute(self, 35, 1, |
| 1059 | [VppRoutePath("0.0.0.0", |
| 1060 | 0xffffffff, |
| 1061 | nh_table_id=1)]) |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 1062 | route_35_eos.add_vpp_config() |
| 1063 | |
| 1064 | # |
| 1065 | # ping an interface in the non-default table |
| 1066 | # PG0 is in the default table. packet arrive labelled in the |
| 1067 | # default table and egress unlabelled in the non-default |
| 1068 | # |
Klement Sekera | dab231a | 2016-12-21 08:50:14 +0100 | [diff] [blame] | 1069 | tx = self.create_stream_labelled_ip4( |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1070 | self.pg0, [VppMplsLabel(35)], ping=1, ip_itf=self.pg1) |
| 1071 | rx = self.send_and_expect(self.pg0, tx, self.pg1) |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 1072 | self.verify_capture_ip4(self.pg1, rx, tx, ping_resp=1) |
| 1073 | |
Neale Ranns | 6af1c04 | 2017-05-26 03:48:53 -0700 | [diff] [blame] | 1074 | # |
| 1075 | # Double pop |
| 1076 | # |
| 1077 | route_36_neos = VppMplsRoute(self, 36, 0, |
| 1078 | [VppRoutePath("0.0.0.0", |
| 1079 | 0xffffffff)]) |
| 1080 | route_36_neos.add_vpp_config() |
| 1081 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1082 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 1083 | [VppMplsLabel(36), |
| 1084 | VppMplsLabel(35)], |
Neale Ranns | 6af1c04 | 2017-05-26 03:48:53 -0700 | [diff] [blame] | 1085 | ping=1, ip_itf=self.pg1) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1086 | rx = self.send_and_expect(self.pg0, tx, self.pg1) |
Neale Ranns | 6af1c04 | 2017-05-26 03:48:53 -0700 | [diff] [blame] | 1087 | self.verify_capture_ip4(self.pg1, rx, tx, ping_resp=1) |
| 1088 | |
| 1089 | route_36_neos.remove_vpp_config() |
Neale Ranns | cb630ff | 2016-12-14 13:31:29 +0100 | [diff] [blame] | 1090 | route_35_eos.remove_vpp_config() |
| 1091 | route_34_eos.remove_vpp_config() |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 1092 | |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1093 | def test_interface_rx(self): |
| 1094 | """ MPLS Interface Receive """ |
| 1095 | |
| 1096 | # |
| 1097 | # Add a non-recursive route that will forward the traffic |
| 1098 | # post-interface-rx |
| 1099 | # |
| 1100 | route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, |
| 1101 | table_id=1, |
| 1102 | paths=[VppRoutePath(self.pg1.remote_ip4, |
| 1103 | self.pg1.sw_if_index)]) |
| 1104 | route_10_0_0_1.add_vpp_config() |
| 1105 | |
| 1106 | # |
| 1107 | # An interface receive label that maps traffic to RX on interface |
| 1108 | # pg1 |
| 1109 | # by injecting the packet in on pg0, which is in table 0 |
| 1110 | # doing an interface-rx on pg1 and matching a route in table 1 |
| 1111 | # if the packet egresses, then we must have swapped to pg1 |
| 1112 | # so as to have matched the route in table 1 |
| 1113 | # |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1114 | route_34_eos = VppMplsRoute( |
| 1115 | self, 34, 1, |
| 1116 | [VppRoutePath("0.0.0.0", |
| 1117 | self.pg1.sw_if_index, |
| 1118 | type=FibPathType.FIB_PATH_TYPE_INTERFACE_RX)]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1119 | route_34_eos.add_vpp_config() |
| 1120 | |
| 1121 | # |
| 1122 | # ping an interface in the default table |
| 1123 | # PG0 is in the default table |
| 1124 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1125 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 1126 | [VppMplsLabel(34)], |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1127 | dst_ip="10.0.0.1") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1128 | rx = self.send_and_expect(self.pg0, tx, self.pg1) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1129 | self.verify_capture_ip4(self.pg1, rx, tx) |
| 1130 | |
| 1131 | def test_mcast_mid_point(self): |
| 1132 | """ MPLS Multicast Mid Point """ |
| 1133 | |
| 1134 | # |
| 1135 | # Add a non-recursive route that will forward the traffic |
| 1136 | # post-interface-rx |
| 1137 | # |
| 1138 | route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, |
| 1139 | table_id=1, |
| 1140 | paths=[VppRoutePath(self.pg1.remote_ip4, |
| 1141 | self.pg1.sw_if_index)]) |
| 1142 | route_10_0_0_1.add_vpp_config() |
| 1143 | |
| 1144 | # |
| 1145 | # Add a mcast entry that replicate to pg2 and pg3 |
| 1146 | # and replicate to a interface-rx (like a bud node would) |
| 1147 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1148 | route_3400_eos = VppMplsRoute( |
| 1149 | self, 3400, 1, |
| 1150 | [VppRoutePath(self.pg2.remote_ip4, |
| 1151 | self.pg2.sw_if_index, |
| 1152 | labels=[VppMplsLabel(3401)]), |
| 1153 | VppRoutePath(self.pg3.remote_ip4, |
| 1154 | self.pg3.sw_if_index, |
| 1155 | labels=[VppMplsLabel(3402)]), |
| 1156 | VppRoutePath("0.0.0.0", |
| 1157 | self.pg1.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1158 | type=FibPathType.FIB_PATH_TYPE_INTERFACE_RX)], |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1159 | is_multicast=1) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1160 | route_3400_eos.add_vpp_config() |
| 1161 | |
| 1162 | # |
| 1163 | # ping an interface in the default table |
| 1164 | # PG0 is in the default table |
| 1165 | # |
| 1166 | self.vapi.cli("clear trace") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1167 | tx = self.create_stream_labelled_ip4(self.pg0, |
| 1168 | [VppMplsLabel(3400, ttl=64)], |
| 1169 | n=257, |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1170 | dst_ip="10.0.0.1") |
| 1171 | self.pg0.add_stream(tx) |
| 1172 | |
| 1173 | self.pg_enable_capture(self.pg_interfaces) |
| 1174 | self.pg_start() |
| 1175 | |
| 1176 | rx = self.pg1.get_capture(257) |
| 1177 | self.verify_capture_ip4(self.pg1, rx, tx) |
| 1178 | |
| 1179 | rx = self.pg2.get_capture(257) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1180 | self.verify_capture_labelled(self.pg2, rx, tx, |
| 1181 | [VppMplsLabel(3401, ttl=63)]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1182 | rx = self.pg3.get_capture(257) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1183 | self.verify_capture_labelled(self.pg3, rx, tx, |
| 1184 | [VppMplsLabel(3402, ttl=63)]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1185 | |
| 1186 | def test_mcast_head(self): |
| 1187 | """ MPLS Multicast Head-end """ |
| 1188 | |
| 1189 | # |
| 1190 | # Create a multicast tunnel with two replications |
| 1191 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1192 | mpls_tun = VppMPLSTunnelInterface( |
| 1193 | self, |
| 1194 | [VppRoutePath(self.pg2.remote_ip4, |
| 1195 | self.pg2.sw_if_index, |
| 1196 | labels=[VppMplsLabel(42)]), |
| 1197 | VppRoutePath(self.pg3.remote_ip4, |
| 1198 | self.pg3.sw_if_index, |
| 1199 | labels=[VppMplsLabel(43)])], |
| 1200 | is_multicast=1) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1201 | mpls_tun.add_vpp_config() |
| 1202 | mpls_tun.admin_up() |
| 1203 | |
| 1204 | # |
| 1205 | # add an unlabelled route through the new tunnel |
| 1206 | # |
| 1207 | route_10_0_0_3 = VppIpRoute(self, "10.0.0.3", 32, |
| 1208 | [VppRoutePath("0.0.0.0", |
| 1209 | mpls_tun._sw_if_index)]) |
| 1210 | route_10_0_0_3.add_vpp_config() |
| 1211 | |
| 1212 | self.vapi.cli("clear trace") |
| 1213 | tx = self.create_stream_ip4(self.pg0, "10.0.0.3") |
| 1214 | self.pg0.add_stream(tx) |
| 1215 | |
| 1216 | self.pg_enable_capture(self.pg_interfaces) |
| 1217 | self.pg_start() |
| 1218 | |
| 1219 | rx = self.pg2.get_capture(257) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1220 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, [VppMplsLabel(42)]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1221 | rx = self.pg3.get_capture(257) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1222 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, [VppMplsLabel(43)]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1223 | |
| 1224 | # |
| 1225 | # An an IP multicast route via the tunnel |
| 1226 | # A (*,G). |
| 1227 | # one accepting interface, pg0, 1 forwarding interface via the tunnel |
| 1228 | # |
| 1229 | route_232_1_1_1 = VppIpMRoute( |
| 1230 | self, |
| 1231 | "0.0.0.0", |
| 1232 | "232.1.1.1", 32, |
| 1233 | MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, |
| 1234 | [VppMRoutePath(self.pg0.sw_if_index, |
| 1235 | MRouteItfFlags.MFIB_ITF_FLAG_ACCEPT), |
| 1236 | VppMRoutePath(mpls_tun._sw_if_index, |
| 1237 | MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)]) |
| 1238 | route_232_1_1_1.add_vpp_config() |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1239 | self.logger.info(self.vapi.cli("sh ip mfib index 0")) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1240 | |
| 1241 | self.vapi.cli("clear trace") |
| 1242 | tx = self.create_stream_ip4(self.pg0, "232.1.1.1") |
| 1243 | self.pg0.add_stream(tx) |
| 1244 | |
| 1245 | self.pg_enable_capture(self.pg_interfaces) |
| 1246 | self.pg_start() |
| 1247 | |
| 1248 | rx = self.pg2.get_capture(257) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1249 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, [VppMplsLabel(42)]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1250 | rx = self.pg3.get_capture(257) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1251 | self.verify_capture_tunneled_ip4(self.pg0, rx, tx, [VppMplsLabel(43)]) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1252 | |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1253 | def test_mcast_ip4_tail(self): |
| 1254 | """ MPLS IPv4 Multicast Tail """ |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1255 | |
| 1256 | # |
| 1257 | # Add a multicast route that will forward the traffic |
| 1258 | # post-disposition |
| 1259 | # |
| 1260 | route_232_1_1_1 = VppIpMRoute( |
| 1261 | self, |
| 1262 | "0.0.0.0", |
| 1263 | "232.1.1.1", 32, |
| 1264 | MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, |
| 1265 | table_id=1, |
| 1266 | paths=[VppMRoutePath(self.pg1.sw_if_index, |
| 1267 | MRouteItfFlags.MFIB_ITF_FLAG_FORWARD)]) |
| 1268 | route_232_1_1_1.add_vpp_config() |
| 1269 | |
| 1270 | # |
| 1271 | # An interface receive label that maps traffic to RX on interface |
| 1272 | # pg1 |
| 1273 | # by injecting the packet in on pg0, which is in table 0 |
| 1274 | # doing an rpf-id and matching a route in table 1 |
| 1275 | # if the packet egresses, then we must have matched the route in |
| 1276 | # table 1 |
| 1277 | # |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1278 | route_34_eos = VppMplsRoute( |
| 1279 | self, 34, 1, |
| 1280 | [VppRoutePath("0.0.0.0", |
| 1281 | 0xffffffff, |
| 1282 | nh_table_id=1, |
| 1283 | rpf_id=55)], |
| 1284 | is_multicast=1, |
| 1285 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP4) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1286 | |
| 1287 | route_34_eos.add_vpp_config() |
| 1288 | |
| 1289 | # |
| 1290 | # Drop due to interface lookup miss |
| 1291 | # |
| 1292 | self.vapi.cli("clear trace") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1293 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(34)], |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1294 | dst_ip="232.1.1.1", n=1) |
| 1295 | self.send_and_assert_no_replies(self.pg0, tx, "RPF-ID drop none") |
| 1296 | |
| 1297 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1298 | # set the RPF-ID of the entry to match the input packet's |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1299 | # |
| 1300 | route_232_1_1_1.update_rpf_id(55) |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1301 | self.logger.info(self.vapi.cli("sh ip mfib index 1 232.1.1.1")) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1302 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1303 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(34)], |
| 1304 | dst_ip="232.1.1.1") |
| 1305 | rx = self.send_and_expect(self.pg0, tx, self.pg1) |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1306 | self.verify_capture_ip4(self.pg1, rx, tx) |
| 1307 | |
| 1308 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1309 | # disposed packets have an invalid IPv4 checksum |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 1310 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1311 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(34)], |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 1312 | dst_ip="232.1.1.1", n=65, |
| 1313 | chksum=1) |
| 1314 | self.send_and_assert_no_replies(self.pg0, tx, "Invalid Checksum") |
| 1315 | |
| 1316 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1317 | # set the RPF-ID of the entry to not match the input packet's |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1318 | # |
| 1319 | route_232_1_1_1.update_rpf_id(56) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1320 | tx = self.create_stream_labelled_ip4(self.pg0, [VppMplsLabel(34)], |
Neale Ranns | 0f26c5a | 2017-03-01 15:12:11 -0800 | [diff] [blame] | 1321 | dst_ip="232.1.1.1") |
| 1322 | self.send_and_assert_no_replies(self.pg0, tx, "RPF-ID drop 56") |
| 1323 | |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1324 | def test_mcast_ip6_tail(self): |
| 1325 | """ MPLS IPv6 Multicast Tail """ |
| 1326 | |
| 1327 | # |
| 1328 | # Add a multicast route that will forward the traffic |
| 1329 | # post-disposition |
| 1330 | # |
| 1331 | route_ff = VppIpMRoute( |
| 1332 | self, |
| 1333 | "::", |
| 1334 | "ff01::1", 32, |
| 1335 | MRouteEntryFlags.MFIB_ENTRY_FLAG_NONE, |
| 1336 | table_id=1, |
| 1337 | paths=[VppMRoutePath(self.pg1.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1338 | MRouteItfFlags.MFIB_ITF_FLAG_FORWARD, |
| 1339 | proto=FibPathProto.FIB_PATH_NH_PROTO_IP6)]) |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1340 | route_ff.add_vpp_config() |
| 1341 | |
| 1342 | # |
| 1343 | # An interface receive label that maps traffic to RX on interface |
| 1344 | # pg1 |
| 1345 | # by injecting the packet in on pg0, which is in table 0 |
| 1346 | # doing an rpf-id and matching a route in table 1 |
| 1347 | # if the packet egresses, then we must have matched the route in |
| 1348 | # table 1 |
| 1349 | # |
| 1350 | route_34_eos = VppMplsRoute( |
| 1351 | self, 34, 1, |
| 1352 | [VppRoutePath("::", |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1353 | 0xffffffff, |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1354 | nh_table_id=1, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1355 | rpf_id=55)], |
| 1356 | is_multicast=1, |
| 1357 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_IP6) |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1358 | |
| 1359 | route_34_eos.add_vpp_config() |
| 1360 | |
| 1361 | # |
| 1362 | # Drop due to interface lookup miss |
| 1363 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1364 | tx = self.create_stream_labelled_ip6(self.pg0, [VppMplsLabel(34)], |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1365 | dst_ip="ff01::1") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1366 | self.send_and_assert_no_replies(self.pg0, tx, "RPF Miss") |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1367 | |
| 1368 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1369 | # set the RPF-ID of the entry to match the input packet's |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1370 | # |
| 1371 | route_ff.update_rpf_id(55) |
| 1372 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1373 | tx = self.create_stream_labelled_ip6(self.pg0, [VppMplsLabel(34)], |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1374 | dst_ip="ff01::1") |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1375 | rx = self.send_and_expect(self.pg0, tx, self.pg1) |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1376 | self.verify_capture_ip6(self.pg1, rx, tx) |
| 1377 | |
| 1378 | # |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 1379 | # disposed packets have hop-limit = 1 |
| 1380 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1381 | tx = self.create_stream_labelled_ip6(self.pg0, |
| 1382 | [VppMplsLabel(34)], |
| 1383 | dst_ip="ff01::1", |
| 1384 | hlim=1) |
| 1385 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
Neale Ranns | 52fae86 | 2018-01-08 04:41:42 -0800 | [diff] [blame] | 1386 | self.verify_capture_ip6_icmp(self.pg0, rx, tx) |
Neale Ranns | 4c7c8e5 | 2017-10-21 09:37:55 -0700 | [diff] [blame] | 1387 | |
| 1388 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1389 | # set the RPF-ID of the entry to not match the input packet's |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1390 | # |
| 1391 | route_ff.update_rpf_id(56) |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 1392 | tx = self.create_stream_labelled_ip6(self.pg0, |
| 1393 | [VppMplsLabel(34)], |
Neale Ranns | 31426c6 | 2017-05-24 10:32:58 -0700 | [diff] [blame] | 1394 | dst_ip="ff01::1") |
| 1395 | self.send_and_assert_no_replies(self.pg0, tx, "RPF-ID drop 56") |
| 1396 | |
Neale Ranns | d5d7b96 | 2019-08-04 03:30:56 -0700 | [diff] [blame] | 1397 | def test_6pe(self): |
| 1398 | """ MPLS 6PE """ |
| 1399 | |
| 1400 | # |
| 1401 | # Add a non-recursive route with a single out label |
| 1402 | # |
| 1403 | route_10_0_0_1 = VppIpRoute(self, "10.0.0.1", 32, |
| 1404 | [VppRoutePath(self.pg0.remote_ip4, |
| 1405 | self.pg0.sw_if_index, |
| 1406 | labels=[VppMplsLabel(45)])]) |
| 1407 | route_10_0_0_1.add_vpp_config() |
| 1408 | |
| 1409 | # bind a local label to the route |
| 1410 | binding = VppMplsIpBind(self, 44, "10.0.0.1", 32) |
| 1411 | binding.add_vpp_config() |
| 1412 | |
| 1413 | # |
| 1414 | # a labelled v6 route that resolves through the v4 |
| 1415 | # |
| 1416 | route_2001_3 = VppIpRoute( |
| 1417 | self, "2001::3", 128, |
| 1418 | [VppRoutePath("10.0.0.1", |
| 1419 | INVALID_INDEX, |
| 1420 | labels=[VppMplsLabel(32)])]) |
| 1421 | route_2001_3.add_vpp_config() |
| 1422 | |
| 1423 | tx = self.create_stream_ip6(self.pg0, "2001::3") |
| 1424 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 1425 | |
| 1426 | self.verify_capture_labelled_ip6(self.pg0, rx, tx, |
| 1427 | [VppMplsLabel(45), |
| 1428 | VppMplsLabel(32)]) |
| 1429 | |
| 1430 | # |
| 1431 | # and a v4 recursive via the v6 |
| 1432 | # |
| 1433 | route_20_3 = VppIpRoute( |
| 1434 | self, "20.0.0.3", 32, |
| 1435 | [VppRoutePath("2001::3", |
| 1436 | INVALID_INDEX, |
| 1437 | labels=[VppMplsLabel(99)])]) |
| 1438 | route_20_3.add_vpp_config() |
| 1439 | |
| 1440 | tx = self.create_stream_ip4(self.pg0, "20.0.0.3") |
| 1441 | rx = self.send_and_expect(self.pg0, tx, self.pg0) |
| 1442 | |
| 1443 | self.verify_capture_labelled_ip4(self.pg0, rx, tx, |
| 1444 | [VppMplsLabel(45), |
| 1445 | VppMplsLabel(32), |
| 1446 | VppMplsLabel(99)]) |
| 1447 | |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1448 | |
| 1449 | class TestMPLSDisabled(VppTestCase): |
| 1450 | """ MPLS disabled """ |
| 1451 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1452 | @classmethod |
| 1453 | def setUpClass(cls): |
| 1454 | super(TestMPLSDisabled, cls).setUpClass() |
| 1455 | |
| 1456 | @classmethod |
| 1457 | def tearDownClass(cls): |
| 1458 | super(TestMPLSDisabled, cls).tearDownClass() |
| 1459 | |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1460 | def setUp(self): |
| 1461 | super(TestMPLSDisabled, self).setUp() |
| 1462 | |
| 1463 | # create 2 pg interfaces |
| 1464 | self.create_pg_interfaces(range(2)) |
| 1465 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1466 | self.tbl = VppMplsTable(self, 0) |
| 1467 | self.tbl.add_vpp_config() |
| 1468 | |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1469 | # PG0 is MPLS enabled |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1470 | self.pg0.admin_up() |
| 1471 | self.pg0.config_ip4() |
| 1472 | self.pg0.resolve_arp() |
| 1473 | self.pg0.enable_mpls() |
| 1474 | |
| 1475 | # PG 1 is not MPLS enabled |
| 1476 | self.pg1.admin_up() |
| 1477 | |
| 1478 | def tearDown(self): |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1479 | for i in self.pg_interfaces: |
| 1480 | i.unconfig_ip4() |
| 1481 | i.admin_down() |
| 1482 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1483 | self.pg0.disable_mpls() |
| 1484 | super(TestMPLSDisabled, self).tearDown() |
| 1485 | |
Neale Ranns | 180279b | 2017-03-16 15:49:09 -0400 | [diff] [blame] | 1486 | def test_mpls_disabled(self): |
| 1487 | """ MPLS Disabled """ |
| 1488 | |
| 1489 | tx = (Ether(src=self.pg1.remote_mac, |
| 1490 | dst=self.pg1.local_mac) / |
| 1491 | MPLS(label=32, ttl=64) / |
| 1492 | IPv6(src="2001::1", dst=self.pg0.remote_ip6) / |
| 1493 | UDP(sport=1234, dport=1234) / |
| 1494 | Raw('\xa5' * 100)) |
| 1495 | |
| 1496 | # |
| 1497 | # A simple MPLS xconnect - eos label in label out |
| 1498 | # |
| 1499 | route_32_eos = VppMplsRoute(self, 32, 1, |
| 1500 | [VppRoutePath(self.pg0.remote_ip4, |
| 1501 | self.pg0.sw_if_index, |
| 1502 | labels=[33])]) |
| 1503 | route_32_eos.add_vpp_config() |
| 1504 | |
| 1505 | # |
| 1506 | # PG1 does not forward IP traffic |
| 1507 | # |
| 1508 | self.send_and_assert_no_replies(self.pg1, tx, "MPLS disabled") |
| 1509 | |
| 1510 | # |
| 1511 | # MPLS enable PG1 |
| 1512 | # |
| 1513 | self.pg1.enable_mpls() |
| 1514 | |
| 1515 | # |
| 1516 | # Now we get packets through |
| 1517 | # |
| 1518 | self.pg1.add_stream(tx) |
| 1519 | self.pg_enable_capture(self.pg_interfaces) |
| 1520 | self.pg_start() |
| 1521 | |
| 1522 | rx = self.pg0.get_capture(1) |
| 1523 | |
| 1524 | # |
| 1525 | # Disable PG1 |
| 1526 | # |
| 1527 | self.pg1.disable_mpls() |
| 1528 | |
| 1529 | # |
| 1530 | # PG1 does not forward IP traffic |
| 1531 | # |
| 1532 | self.send_and_assert_no_replies(self.pg1, tx, "IPv6 disabled") |
| 1533 | self.send_and_assert_no_replies(self.pg1, tx, "IPv6 disabled") |
| 1534 | |
| 1535 | |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1536 | class TestMPLSPIC(VppTestCase): |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1537 | """ MPLS Prefix-Independent Convergence (PIC) edge convergence """ |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1538 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1539 | @classmethod |
| 1540 | def setUpClass(cls): |
| 1541 | super(TestMPLSPIC, cls).setUpClass() |
| 1542 | |
| 1543 | @classmethod |
| 1544 | def tearDownClass(cls): |
| 1545 | super(TestMPLSPIC, cls).tearDownClass() |
| 1546 | |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1547 | def setUp(self): |
| 1548 | super(TestMPLSPIC, self).setUp() |
| 1549 | |
| 1550 | # create 2 pg interfaces |
| 1551 | self.create_pg_interfaces(range(4)) |
| 1552 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1553 | mpls_tbl = VppMplsTable(self, 0) |
| 1554 | mpls_tbl.add_vpp_config() |
| 1555 | tbl4 = VppIpTable(self, 1) |
| 1556 | tbl4.add_vpp_config() |
| 1557 | tbl6 = VppIpTable(self, 1, is_ip6=1) |
| 1558 | tbl6.add_vpp_config() |
| 1559 | |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1560 | # core links |
| 1561 | self.pg0.admin_up() |
| 1562 | self.pg0.config_ip4() |
| 1563 | self.pg0.resolve_arp() |
| 1564 | self.pg0.enable_mpls() |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1565 | |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1566 | self.pg1.admin_up() |
| 1567 | self.pg1.config_ip4() |
| 1568 | self.pg1.resolve_arp() |
| 1569 | self.pg1.enable_mpls() |
| 1570 | |
| 1571 | # VRF (customer facing) link |
| 1572 | self.pg2.admin_up() |
| 1573 | self.pg2.set_table_ip4(1) |
| 1574 | self.pg2.config_ip4() |
| 1575 | self.pg2.resolve_arp() |
| 1576 | self.pg2.set_table_ip6(1) |
| 1577 | self.pg2.config_ip6() |
| 1578 | self.pg2.resolve_ndp() |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1579 | |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1580 | self.pg3.admin_up() |
| 1581 | self.pg3.set_table_ip4(1) |
| 1582 | self.pg3.config_ip4() |
| 1583 | self.pg3.resolve_arp() |
| 1584 | self.pg3.set_table_ip6(1) |
| 1585 | self.pg3.config_ip6() |
| 1586 | self.pg3.resolve_ndp() |
| 1587 | |
| 1588 | def tearDown(self): |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1589 | self.pg0.disable_mpls() |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1590 | self.pg1.disable_mpls() |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1591 | for i in self.pg_interfaces: |
| 1592 | i.unconfig_ip4() |
| 1593 | i.unconfig_ip6() |
| 1594 | i.set_table_ip4(0) |
| 1595 | i.set_table_ip6(0) |
| 1596 | i.admin_down() |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1597 | super(TestMPLSPIC, self).tearDown() |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1598 | |
| 1599 | def test_mpls_ibgp_pic(self): |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1600 | """ MPLS iBGP Prefix-Independent Convergence (PIC) edge convergence |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1601 | |
| 1602 | 1) setup many iBGP VPN routes via a pair of iBGP peers. |
| 1603 | 2) Check EMCP forwarding to these peers |
| 1604 | 3) withdraw the IGP route to one of these peers. |
| 1605 | 4) check forwarding continues to the remaining peer |
| 1606 | """ |
| 1607 | |
| 1608 | # |
| 1609 | # IGP+LDP core routes |
| 1610 | # |
| 1611 | core_10_0_0_45 = VppIpRoute(self, "10.0.0.45", 32, |
| 1612 | [VppRoutePath(self.pg0.remote_ip4, |
| 1613 | self.pg0.sw_if_index, |
| 1614 | labels=[45])]) |
| 1615 | core_10_0_0_45.add_vpp_config() |
| 1616 | |
| 1617 | core_10_0_0_46 = VppIpRoute(self, "10.0.0.46", 32, |
| 1618 | [VppRoutePath(self.pg1.remote_ip4, |
| 1619 | self.pg1.sw_if_index, |
| 1620 | labels=[46])]) |
| 1621 | core_10_0_0_46.add_vpp_config() |
| 1622 | |
| 1623 | # |
| 1624 | # Lot's of VPN routes. We need more the 64 so VPP will build |
| 1625 | # the fast convergence indirection |
| 1626 | # |
| 1627 | vpn_routes = [] |
| 1628 | pkts = [] |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1629 | for ii in range(NUM_PKTS): |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1630 | dst = "192.168.1.%d" % ii |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1631 | vpn_routes.append(VppIpRoute( |
| 1632 | self, dst, 32, |
| 1633 | [VppRoutePath( |
| 1634 | "10.0.0.45", |
| 1635 | 0xffffffff, |
| 1636 | labels=[145], |
| 1637 | flags=FibPathFlags.FIB_PATH_FLAG_RESOLVE_VIA_HOST), |
| 1638 | VppRoutePath( |
| 1639 | "10.0.0.46", |
| 1640 | 0xffffffff, |
| 1641 | labels=[146], |
| 1642 | flags=FibPathFlags.FIB_PATH_FLAG_RESOLVE_VIA_HOST)], |
| 1643 | table_id=1)) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1644 | vpn_routes[ii].add_vpp_config() |
| 1645 | |
| 1646 | pkts.append(Ether(dst=self.pg2.local_mac, |
| 1647 | src=self.pg2.remote_mac) / |
| 1648 | IP(src=self.pg2.remote_ip4, dst=dst) / |
| 1649 | UDP(sport=1234, dport=1234) / |
| 1650 | Raw('\xa5' * 100)) |
| 1651 | |
| 1652 | # |
| 1653 | # Send the packet stream (one pkt to each VPN route) |
| 1654 | # - expect a 50-50 split of the traffic |
| 1655 | # |
| 1656 | self.pg2.add_stream(pkts) |
| 1657 | self.pg_enable_capture(self.pg_interfaces) |
| 1658 | self.pg_start() |
| 1659 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1660 | rx0 = self.pg0._get_capture(NUM_PKTS) |
| 1661 | rx1 = self.pg1._get_capture(NUM_PKTS) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1662 | |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1663 | # not testing the LB hashing algorithm so we're not concerned |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1664 | # with the split ratio, just as long as neither is 0 |
| 1665 | self.assertNotEqual(0, len(rx0)) |
| 1666 | self.assertNotEqual(0, len(rx1)) |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1667 | self.assertEqual(len(pkts), len(rx0) + len(rx1), |
| 1668 | "Expected all (%s) packets across both ECMP paths. " |
| 1669 | "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1670 | |
| 1671 | # |
| 1672 | # use a test CLI command to stop the FIB walk process, this |
| 1673 | # will prevent the FIB converging the VPN routes and thus allow |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1674 | # us to probe the interim (post-fail, pre-converge) state |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1675 | # |
| 1676 | self.vapi.ppcli("test fib-walk-process disable") |
| 1677 | |
| 1678 | # |
| 1679 | # Withdraw one of the IGP routes |
| 1680 | # |
| 1681 | core_10_0_0_46.remove_vpp_config() |
| 1682 | |
| 1683 | # |
| 1684 | # now all packets should be forwarded through the remaining peer |
| 1685 | # |
| 1686 | self.vapi.ppcli("clear trace") |
| 1687 | self.pg2.add_stream(pkts) |
| 1688 | self.pg_enable_capture(self.pg_interfaces) |
| 1689 | self.pg_start() |
| 1690 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1691 | rx0 = self.pg0.get_capture(NUM_PKTS) |
| 1692 | self.assertEqual(len(pkts), len(rx0), |
| 1693 | "Expected all (%s) packets across single path. " |
| 1694 | "rx0: %s." % (len(pkts), len(rx0))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1695 | |
| 1696 | # |
| 1697 | # enable the FIB walk process to converge the FIB |
| 1698 | # |
| 1699 | self.vapi.ppcli("test fib-walk-process enable") |
| 1700 | |
| 1701 | # |
| 1702 | # packets should still be forwarded through the remaining peer |
| 1703 | # |
| 1704 | self.pg2.add_stream(pkts) |
| 1705 | self.pg_enable_capture(self.pg_interfaces) |
| 1706 | self.pg_start() |
| 1707 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1708 | rx0 = self.pg0.get_capture(NUM_PKTS) |
| 1709 | self.assertEqual(len(pkts), len(rx0), |
| 1710 | "Expected all (%s) packets across single path. " |
| 1711 | "rx0: %s." % (len(pkts), len(rx0))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1712 | |
| 1713 | # |
| 1714 | # Add the IGP route back and we return to load-balancing |
| 1715 | # |
| 1716 | core_10_0_0_46.add_vpp_config() |
| 1717 | |
| 1718 | self.pg2.add_stream(pkts) |
| 1719 | self.pg_enable_capture(self.pg_interfaces) |
| 1720 | self.pg_start() |
| 1721 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1722 | rx0 = self.pg0._get_capture(NUM_PKTS) |
| 1723 | rx1 = self.pg1._get_capture(NUM_PKTS) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1724 | self.assertNotEqual(0, len(rx0)) |
| 1725 | self.assertNotEqual(0, len(rx1)) |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1726 | self.assertEqual(len(pkts), len(rx0) + len(rx1), |
| 1727 | "Expected all (%s) packets across both ECMP paths. " |
| 1728 | "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1729 | |
| 1730 | def test_mpls_ebgp_pic(self): |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1731 | """ MPLS eBGP Prefix-Independent Convergence (PIC) edge convergence |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1732 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1733 | 1) setup many eBGP VPN routes via a pair of eBGP peers. |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1734 | 2) Check EMCP forwarding to these peers |
| 1735 | 3) withdraw one eBGP path - expect LB across remaining eBGP |
| 1736 | """ |
| 1737 | |
| 1738 | # |
| 1739 | # Lot's of VPN routes. We need more the 64 so VPP will build |
| 1740 | # the fast convergence indirection |
| 1741 | # |
| 1742 | vpn_routes = [] |
| 1743 | vpn_bindings = [] |
| 1744 | pkts = [] |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1745 | for ii in range(NUM_PKTS): |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1746 | dst = "192.168.1.%d" % ii |
| 1747 | local_label = 1600 + ii |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1748 | vpn_routes.append(VppIpRoute( |
| 1749 | self, dst, 32, |
| 1750 | [VppRoutePath( |
| 1751 | self.pg2.remote_ip4, |
| 1752 | 0xffffffff, |
| 1753 | nh_table_id=1, |
| 1754 | flags=FibPathFlags.FIB_PATH_FLAG_RESOLVE_VIA_ATTACHED), |
| 1755 | VppRoutePath( |
| 1756 | self.pg3.remote_ip4, |
| 1757 | 0xffffffff, |
| 1758 | nh_table_id=1, |
| 1759 | flags=FibPathFlags.FIB_PATH_FLAG_RESOLVE_VIA_ATTACHED)], |
| 1760 | table_id=1)) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1761 | vpn_routes[ii].add_vpp_config() |
| 1762 | |
| 1763 | vpn_bindings.append(VppMplsIpBind(self, local_label, dst, 32, |
| 1764 | ip_table_id=1)) |
| 1765 | vpn_bindings[ii].add_vpp_config() |
| 1766 | |
| 1767 | pkts.append(Ether(dst=self.pg0.local_mac, |
| 1768 | src=self.pg0.remote_mac) / |
| 1769 | MPLS(label=local_label, ttl=64) / |
| 1770 | IP(src=self.pg0.remote_ip4, dst=dst) / |
| 1771 | UDP(sport=1234, dport=1234) / |
| 1772 | Raw('\xa5' * 100)) |
| 1773 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1774 | # |
| 1775 | # Send the packet stream (one pkt to each VPN route) |
| 1776 | # - expect a 50-50 split of the traffic |
| 1777 | # |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1778 | self.pg0.add_stream(pkts) |
| 1779 | self.pg_enable_capture(self.pg_interfaces) |
| 1780 | self.pg_start() |
| 1781 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1782 | rx0 = self.pg2._get_capture(NUM_PKTS) |
| 1783 | rx1 = self.pg3._get_capture(NUM_PKTS) |
| 1784 | |
| 1785 | # not testing the LB hashing algorithm so we're not concerned |
| 1786 | # with the split ratio, just as long as neither is 0 |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1787 | self.assertNotEqual(0, len(rx0)) |
| 1788 | self.assertNotEqual(0, len(rx1)) |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1789 | self.assertEqual(len(pkts), len(rx0) + len(rx1), |
| 1790 | "Expected all (%s) packets across both ECMP paths. " |
| 1791 | "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1792 | |
| 1793 | # |
| 1794 | # use a test CLI command to stop the FIB walk process, this |
| 1795 | # will prevent the FIB converging the VPN routes and thus allow |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1796 | # us to probe the interim (post-fail, pre-converge) state |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1797 | # |
| 1798 | self.vapi.ppcli("test fib-walk-process disable") |
| 1799 | |
| 1800 | # |
| 1801 | # withdraw the connected prefix on the interface. |
| 1802 | # |
| 1803 | self.pg2.unconfig_ip4() |
| 1804 | |
| 1805 | # |
| 1806 | # now all packets should be forwarded through the remaining peer |
| 1807 | # |
| 1808 | self.pg0.add_stream(pkts) |
| 1809 | self.pg_enable_capture(self.pg_interfaces) |
| 1810 | self.pg_start() |
| 1811 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1812 | rx0 = self.pg3.get_capture(NUM_PKTS) |
| 1813 | self.assertEqual(len(pkts), len(rx0), |
| 1814 | "Expected all (%s) packets across single path. " |
| 1815 | "rx0: %s." % (len(pkts), len(rx0))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1816 | |
| 1817 | # |
| 1818 | # enable the FIB walk process to converge the FIB |
| 1819 | # |
| 1820 | self.vapi.ppcli("test fib-walk-process enable") |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1821 | |
| 1822 | # |
| 1823 | # packets should still be forwarded through the remaining peer |
| 1824 | # |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1825 | self.pg0.add_stream(pkts) |
| 1826 | self.pg_enable_capture(self.pg_interfaces) |
| 1827 | self.pg_start() |
| 1828 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1829 | rx0 = self.pg3.get_capture(NUM_PKTS) |
| 1830 | self.assertEqual(len(pkts), len(rx0), |
| 1831 | "Expected all (%s) packets across single path. " |
| 1832 | "rx0: %s." % (len(pkts), len(rx0))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1833 | |
| 1834 | # |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1835 | # put the connected routes back |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1836 | # |
| 1837 | self.pg2.config_ip4() |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1838 | self.pg2.resolve_arp() |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1839 | |
| 1840 | self.pg0.add_stream(pkts) |
| 1841 | self.pg_enable_capture(self.pg_interfaces) |
| 1842 | self.pg_start() |
| 1843 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1844 | rx0 = self.pg2._get_capture(NUM_PKTS) |
| 1845 | rx1 = self.pg3._get_capture(NUM_PKTS) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1846 | self.assertNotEqual(0, len(rx0)) |
| 1847 | self.assertNotEqual(0, len(rx1)) |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1848 | self.assertEqual(len(pkts), len(rx0) + len(rx1), |
| 1849 | "Expected all (%s) packets across both ECMP paths. " |
| 1850 | "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1851 | |
| 1852 | def test_mpls_v6_ebgp_pic(self): |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1853 | """ MPLSv6 eBGP Prefix-Independent Convergence (PIC) edge convergence |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1854 | |
| 1855 | 1) setup many eBGP VPNv6 routes via a pair of eBGP peers |
| 1856 | 2) Check EMCP forwarding to these peers |
| 1857 | 3) withdraw one eBGP path - expect LB across remaining eBGP |
| 1858 | """ |
| 1859 | |
| 1860 | # |
| 1861 | # Lot's of VPN routes. We need more the 64 so VPP will build |
| 1862 | # the fast convergence indirection |
| 1863 | # |
| 1864 | vpn_routes = [] |
| 1865 | vpn_bindings = [] |
| 1866 | pkts = [] |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1867 | for ii in range(NUM_PKTS): |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1868 | dst = "3000::%d" % ii |
| 1869 | local_label = 1600 + ii |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 1870 | vpn_routes.append(VppIpRoute( |
| 1871 | self, dst, 128, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1872 | [VppRoutePath( |
| 1873 | self.pg2.remote_ip6, |
| 1874 | 0xffffffff, |
| 1875 | nh_table_id=1, |
| 1876 | flags=FibPathFlags.FIB_PATH_FLAG_RESOLVE_VIA_ATTACHED), |
| 1877 | VppRoutePath( |
| 1878 | self.pg3.remote_ip6, |
| 1879 | 0xffffffff, |
| 1880 | nh_table_id=1, |
| 1881 | flags=FibPathFlags.FIB_PATH_FLAG_RESOLVE_VIA_ATTACHED)], |
| 1882 | table_id=1)) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1883 | vpn_routes[ii].add_vpp_config() |
| 1884 | |
| 1885 | vpn_bindings.append(VppMplsIpBind(self, local_label, dst, 128, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1886 | ip_table_id=1)) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1887 | vpn_bindings[ii].add_vpp_config() |
| 1888 | |
| 1889 | pkts.append(Ether(dst=self.pg0.local_mac, |
| 1890 | src=self.pg0.remote_mac) / |
| 1891 | MPLS(label=local_label, ttl=64) / |
| 1892 | IPv6(src=self.pg0.remote_ip6, dst=dst) / |
| 1893 | UDP(sport=1234, dport=1234) / |
| 1894 | Raw('\xa5' * 100)) |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 1895 | self.logger.info(self.vapi.cli("sh ip6 fib %s" % dst)) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1896 | |
| 1897 | self.pg0.add_stream(pkts) |
| 1898 | self.pg_enable_capture(self.pg_interfaces) |
| 1899 | self.pg_start() |
| 1900 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1901 | rx0 = self.pg2._get_capture(NUM_PKTS) |
| 1902 | rx1 = self.pg3._get_capture(NUM_PKTS) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1903 | self.assertNotEqual(0, len(rx0)) |
| 1904 | self.assertNotEqual(0, len(rx1)) |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1905 | self.assertEqual(len(pkts), len(rx0) + len(rx1), |
| 1906 | "Expected all (%s) packets across both ECMP paths. " |
| 1907 | "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1908 | |
| 1909 | # |
| 1910 | # use a test CLI command to stop the FIB walk process, this |
| 1911 | # will prevent the FIB converging the VPN routes and thus allow |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 1912 | # us to probe the interim (post-fail, pre-converge) state |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1913 | # |
| 1914 | self.vapi.ppcli("test fib-walk-process disable") |
| 1915 | |
| 1916 | # |
| 1917 | # withdraw the connected prefix on the interface. |
| 1918 | # and shutdown the interface so the ND cache is flushed. |
| 1919 | # |
| 1920 | self.pg2.unconfig_ip6() |
| 1921 | self.pg2.admin_down() |
| 1922 | |
| 1923 | # |
| 1924 | # now all packets should be forwarded through the remaining peer |
| 1925 | # |
| 1926 | self.pg0.add_stream(pkts) |
| 1927 | self.pg_enable_capture(self.pg_interfaces) |
| 1928 | self.pg_start() |
| 1929 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1930 | rx0 = self.pg3.get_capture(NUM_PKTS) |
| 1931 | self.assertEqual(len(pkts), len(rx0), |
| 1932 | "Expected all (%s) packets across single path. " |
| 1933 | "rx0: %s." % (len(pkts), len(rx0))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1934 | |
| 1935 | # |
| 1936 | # enable the FIB walk process to converge the FIB |
| 1937 | # |
| 1938 | self.vapi.ppcli("test fib-walk-process enable") |
| 1939 | self.pg0.add_stream(pkts) |
| 1940 | self.pg_enable_capture(self.pg_interfaces) |
| 1941 | self.pg_start() |
| 1942 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1943 | rx0 = self.pg3.get_capture(NUM_PKTS) |
| 1944 | self.assertEqual(len(pkts), len(rx0), |
| 1945 | "Expected all (%s) packets across single path. " |
| 1946 | "rx0: %s." % (len(pkts), len(rx0))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1947 | |
| 1948 | # |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1949 | # put the connected routes back |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1950 | # |
| 1951 | self.pg2.admin_up() |
| 1952 | self.pg2.config_ip6() |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1953 | self.pg2.resolve_ndp() |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1954 | |
| 1955 | self.pg0.add_stream(pkts) |
| 1956 | self.pg_enable_capture(self.pg_interfaces) |
| 1957 | self.pg_start() |
| 1958 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1959 | rx0 = self.pg2._get_capture(NUM_PKTS) |
| 1960 | rx1 = self.pg3._get_capture(NUM_PKTS) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1961 | self.assertNotEqual(0, len(rx0)) |
| 1962 | self.assertNotEqual(0, len(rx1)) |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 1963 | self.assertEqual(len(pkts), len(rx0) + len(rx1), |
| 1964 | "Expected all (%s) packets across both ECMP paths. " |
| 1965 | "rx0: %s rx1: %s." % (len(pkts), len(rx0), len(rx1))) |
Neale Ranns | f12a83f | 2017-04-18 09:09:40 -0700 | [diff] [blame] | 1966 | |
| 1967 | |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 1968 | class TestMPLSL2(VppTestCase): |
| 1969 | """ MPLS-L2 """ |
| 1970 | |
Paul Vinciguerra | 7f9b7f9 | 2019-03-12 19:23:27 -0700 | [diff] [blame] | 1971 | @classmethod |
| 1972 | def setUpClass(cls): |
| 1973 | super(TestMPLSL2, cls).setUpClass() |
| 1974 | |
| 1975 | @classmethod |
| 1976 | def tearDownClass(cls): |
| 1977 | super(TestMPLSL2, cls).tearDownClass() |
| 1978 | |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 1979 | def setUp(self): |
| 1980 | super(TestMPLSL2, self).setUp() |
| 1981 | |
| 1982 | # create 2 pg interfaces |
| 1983 | self.create_pg_interfaces(range(2)) |
| 1984 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1985 | # create the default MPLS table |
| 1986 | self.tables = [] |
| 1987 | tbl = VppMplsTable(self, 0) |
| 1988 | tbl.add_vpp_config() |
| 1989 | self.tables.append(tbl) |
| 1990 | |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 1991 | # use pg0 as the core facing interface |
| 1992 | self.pg0.admin_up() |
| 1993 | self.pg0.config_ip4() |
| 1994 | self.pg0.resolve_arp() |
| 1995 | self.pg0.enable_mpls() |
| 1996 | |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 1997 | # use the other 2 for customer facing L2 links |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 1998 | for i in self.pg_interfaces[1:]: |
| 1999 | i.admin_up() |
| 2000 | |
| 2001 | def tearDown(self): |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2002 | for i in self.pg_interfaces[1:]: |
| 2003 | i.admin_down() |
| 2004 | |
| 2005 | self.pg0.disable_mpls() |
| 2006 | self.pg0.unconfig_ip4() |
| 2007 | self.pg0.admin_down() |
Neale Ranns | 1500254 | 2017-09-10 04:39:11 -0700 | [diff] [blame] | 2008 | super(TestMPLSL2, self).tearDown() |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2009 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2010 | def verify_capture_tunneled_ethernet(self, capture, sent, mpls_labels): |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2011 | capture = verify_filter(capture, sent) |
| 2012 | |
| 2013 | self.assertEqual(len(capture), len(sent)) |
| 2014 | |
| 2015 | for i in range(len(capture)): |
| 2016 | tx = sent[i] |
| 2017 | rx = capture[i] |
| 2018 | |
| 2019 | # the MPLS TTL is 255 since it enters a new tunnel |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2020 | verify_mpls_stack(self, rx, mpls_labels) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2021 | |
| 2022 | tx_eth = tx[Ether] |
Paul Vinciguerra | a7427ec | 2019-03-10 10:04:23 -0700 | [diff] [blame] | 2023 | rx_eth = Ether(scapy.compat.raw(rx[MPLS].payload)) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2024 | |
| 2025 | self.assertEqual(rx_eth.src, tx_eth.src) |
| 2026 | self.assertEqual(rx_eth.dst, tx_eth.dst) |
| 2027 | |
| 2028 | def test_vpws(self): |
| 2029 | """ Virtual Private Wire Service """ |
| 2030 | |
| 2031 | # |
| 2032 | # Create an MPLS tunnel that pushes 1 label |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2033 | # For Ethernet over MPLS the uniform mode is irrelevant since ttl/cos |
| 2034 | # information is not in the packet, but we test it works anyway |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2035 | # |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2036 | mpls_tun_1 = VppMPLSTunnelInterface( |
| 2037 | self, |
| 2038 | [VppRoutePath(self.pg0.remote_ip4, |
| 2039 | self.pg0.sw_if_index, |
| 2040 | labels=[VppMplsLabel(42, MplsLspMode.UNIFORM)])], |
| 2041 | is_l2=1) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2042 | mpls_tun_1.add_vpp_config() |
| 2043 | mpls_tun_1.admin_up() |
| 2044 | |
| 2045 | # |
| 2046 | # Create a label entry to for 55 that does L2 input to the tunnel |
| 2047 | # |
| 2048 | route_55_eos = VppMplsRoute( |
| 2049 | self, 55, 1, |
| 2050 | [VppRoutePath("0.0.0.0", |
| 2051 | mpls_tun_1.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2052 | type=FibPathType.FIB_PATH_TYPE_INTERFACE_RX, |
| 2053 | proto=FibPathProto.FIB_PATH_NH_PROTO_ETHERNET)], |
| 2054 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_ETHERNET) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2055 | route_55_eos.add_vpp_config() |
| 2056 | |
| 2057 | # |
| 2058 | # Cross-connect the tunnel with one of the customers L2 interfaces |
| 2059 | # |
| 2060 | self.vapi.sw_interface_set_l2_xconnect(self.pg1.sw_if_index, |
| 2061 | mpls_tun_1.sw_if_index, |
| 2062 | enable=1) |
| 2063 | self.vapi.sw_interface_set_l2_xconnect(mpls_tun_1.sw_if_index, |
| 2064 | self.pg1.sw_if_index, |
| 2065 | enable=1) |
| 2066 | |
| 2067 | # |
| 2068 | # inject a packet from the core |
| 2069 | # |
| 2070 | pcore = (Ether(dst=self.pg0.local_mac, |
| 2071 | src=self.pg0.remote_mac) / |
| 2072 | MPLS(label=55, ttl=64) / |
| 2073 | Ether(dst="00:00:de:ad:ba:be", |
| 2074 | src="00:00:de:ad:be:ef") / |
| 2075 | IP(src="10.10.10.10", dst="11.11.11.11") / |
| 2076 | UDP(sport=1234, dport=1234) / |
| 2077 | Raw('\xa5' * 100)) |
| 2078 | |
Paul Vinciguerra | 4271c97 | 2019-05-14 13:25:49 -0400 | [diff] [blame] | 2079 | tx0 = pcore * NUM_PKTS |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2080 | rx0 = self.send_and_expect(self.pg0, tx0, self.pg1) |
| 2081 | payload = pcore[MPLS].payload |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2082 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2083 | self.assertEqual(rx0[0][Ether].dst, payload[Ether].dst) |
| 2084 | self.assertEqual(rx0[0][Ether].src, payload[Ether].src) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2085 | |
| 2086 | # |
Paul Vinciguerra | 8feeaff | 2019-03-27 11:25:48 -0700 | [diff] [blame] | 2087 | # Inject a packet from the customer/L2 side |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2088 | # |
Paul Vinciguerra | 4271c97 | 2019-05-14 13:25:49 -0400 | [diff] [blame] | 2089 | tx1 = pcore[MPLS].payload * NUM_PKTS |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2090 | rx1 = self.send_and_expect(self.pg1, tx1, self.pg0) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2091 | |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2092 | self.verify_capture_tunneled_ethernet(rx1, tx1, [VppMplsLabel(42)]) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2093 | |
| 2094 | def test_vpls(self): |
| 2095 | """ Virtual Private LAN Service """ |
| 2096 | # |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2097 | # Create a L2 MPLS tunnels |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2098 | # |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2099 | mpls_tun1 = VppMPLSTunnelInterface( |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2100 | self, |
| 2101 | [VppRoutePath(self.pg0.remote_ip4, |
| 2102 | self.pg0.sw_if_index, |
| 2103 | labels=[VppMplsLabel(42)])], |
| 2104 | is_l2=1) |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2105 | mpls_tun1.add_vpp_config() |
| 2106 | mpls_tun1.admin_up() |
| 2107 | |
| 2108 | mpls_tun2 = VppMPLSTunnelInterface( |
| 2109 | self, |
| 2110 | [VppRoutePath(self.pg0.remote_ip4, |
| 2111 | self.pg0.sw_if_index, |
| 2112 | labels=[VppMplsLabel(43)])], |
| 2113 | is_l2=1) |
| 2114 | mpls_tun2.add_vpp_config() |
| 2115 | mpls_tun2.admin_up() |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2116 | |
| 2117 | # |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2118 | # Create a label entries, 55 and 56, that do L2 input to the tunnel |
| 2119 | # the latter includes a Psuedo Wire Control Word |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2120 | # |
| 2121 | route_55_eos = VppMplsRoute( |
| 2122 | self, 55, 1, |
| 2123 | [VppRoutePath("0.0.0.0", |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2124 | mpls_tun1.sw_if_index, |
Neale Ranns | 097fa66 | 2018-05-01 05:17:55 -0700 | [diff] [blame] | 2125 | type=FibPathType.FIB_PATH_TYPE_INTERFACE_RX, |
| 2126 | proto=FibPathProto.FIB_PATH_NH_PROTO_ETHERNET)], |
| 2127 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_ETHERNET) |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2128 | |
| 2129 | route_56_eos = VppMplsRoute( |
| 2130 | self, 56, 1, |
| 2131 | [VppRoutePath("0.0.0.0", |
| 2132 | mpls_tun2.sw_if_index, |
| 2133 | type=FibPathType.FIB_PATH_TYPE_INTERFACE_RX, |
| 2134 | flags=FibPathFlags.FIB_PATH_FLAG_POP_PW_CW, |
| 2135 | proto=FibPathProto.FIB_PATH_NH_PROTO_ETHERNET)], |
| 2136 | eos_proto=FibPathProto.FIB_PATH_NH_PROTO_ETHERNET) |
| 2137 | |
| 2138 | # move me |
| 2139 | route_56_eos.add_vpp_config() |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2140 | route_55_eos.add_vpp_config() |
| 2141 | |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2142 | self.logger.info(self.vapi.cli("sh mpls fib 56")) |
| 2143 | |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2144 | # |
| 2145 | # add to tunnel to the customers bridge-domain |
| 2146 | # |
Ole Troan | a5b2eec | 2019-03-11 19:23:25 +0100 | [diff] [blame] | 2147 | self.vapi.sw_interface_set_l2_bridge( |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2148 | rx_sw_if_index=mpls_tun1.sw_if_index, bd_id=1) |
| 2149 | self.vapi.sw_interface_set_l2_bridge( |
| 2150 | rx_sw_if_index=mpls_tun2.sw_if_index, bd_id=1) |
Ole Troan | a5b2eec | 2019-03-11 19:23:25 +0100 | [diff] [blame] | 2151 | self.vapi.sw_interface_set_l2_bridge( |
| 2152 | rx_sw_if_index=self.pg1.sw_if_index, bd_id=1) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2153 | |
| 2154 | # |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2155 | # Packet from host on the customer interface to each host |
| 2156 | # reachable over the core, and vice-versa |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2157 | # |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2158 | p_cust1 = (Ether(dst="00:00:de:ad:ba:b1", |
| 2159 | src="00:00:de:ad:be:ef") / |
| 2160 | IP(src="10.10.10.10", dst="11.11.11.11") / |
| 2161 | UDP(sport=1234, dport=1234) / |
| 2162 | Raw('\xa5' * 100)) |
| 2163 | p_cust2 = (Ether(dst="00:00:de:ad:ba:b2", |
| 2164 | src="00:00:de:ad:be:ef") / |
| 2165 | IP(src="10.10.10.10", dst="11.11.11.12") / |
| 2166 | UDP(sport=1234, dport=1234) / |
| 2167 | Raw('\xa5' * 100)) |
| 2168 | p_core1 = (Ether(dst=self.pg0.local_mac, |
| 2169 | src=self.pg0.remote_mac) / |
| 2170 | MPLS(label=55, ttl=64) / |
| 2171 | Ether(src="00:00:de:ad:ba:b1", |
| 2172 | dst="00:00:de:ad:be:ef") / |
| 2173 | IP(dst="10.10.10.10", src="11.11.11.11") / |
| 2174 | UDP(sport=1234, dport=1234) / |
| 2175 | Raw('\xa5' * 100)) |
| 2176 | p_core2 = (Ether(dst=self.pg0.local_mac, |
| 2177 | src=self.pg0.remote_mac) / |
| 2178 | MPLS(label=56, ttl=64) / |
| 2179 | Raw('\x01' * 4) / # PW CW |
| 2180 | Ether(src="00:00:de:ad:ba:b2", |
| 2181 | dst="00:00:de:ad:be:ef") / |
| 2182 | IP(dst="10.10.10.10", src="11.11.11.12") / |
| 2183 | UDP(sport=1234, dport=1234) / |
| 2184 | Raw('\xa5' * 100)) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2185 | |
| 2186 | # |
| 2187 | # The BD is learning, so send in one of each packet to learn |
| 2188 | # |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2189 | |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2190 | # 2 packets due to BD flooding |
| 2191 | rx = self.send_and_expect(self.pg1, p_cust1, self.pg0, n_rx=2) |
| 2192 | rx = self.send_and_expect(self.pg1, p_cust2, self.pg0, n_rx=2) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2193 | |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2194 | # we've learnt this so expect it be be forwarded not flooded |
| 2195 | rx = self.send_and_expect(self.pg0, [p_core1], self.pg1) |
| 2196 | self.assertEqual(rx[0][Ether].dst, p_cust1[Ether].src) |
| 2197 | self.assertEqual(rx[0][Ether].src, p_cust1[Ether].dst) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2198 | |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2199 | rx = self.send_and_expect(self.pg0, [p_core2], self.pg1) |
| 2200 | self.assertEqual(rx[0][Ether].dst, p_cust2[Ether].src) |
| 2201 | self.assertEqual(rx[0][Ether].src, p_cust2[Ether].dst) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2202 | |
| 2203 | # |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2204 | # now a stream in each direction from each host |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2205 | # |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2206 | rx = self.send_and_expect(self.pg1, p_cust1 * NUM_PKTS, self.pg0) |
| 2207 | self.verify_capture_tunneled_ethernet(rx, p_cust1 * NUM_PKTS, |
Neale Ranns | 31ed744 | 2018-02-23 05:29:09 -0800 | [diff] [blame] | 2208 | [VppMplsLabel(42)]) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2209 | |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2210 | rx = self.send_and_expect(self.pg1, p_cust2 * NUM_PKTS, self.pg0) |
| 2211 | self.verify_capture_tunneled_ethernet(rx, p_cust2 * NUM_PKTS, |
| 2212 | [VppMplsLabel(43)]) |
| 2213 | |
| 2214 | rx = self.send_and_expect(self.pg0, p_core1 * NUM_PKTS, self.pg1) |
| 2215 | rx = self.send_and_expect(self.pg0, p_core2 * NUM_PKTS, self.pg1) |
| 2216 | |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2217 | # |
| 2218 | # remove interfaces from customers bridge-domain |
| 2219 | # |
Ole Troan | a5b2eec | 2019-03-11 19:23:25 +0100 | [diff] [blame] | 2220 | self.vapi.sw_interface_set_l2_bridge( |
Neale Ranns | 1dbcf30 | 2019-07-19 11:44:53 +0000 | [diff] [blame] | 2221 | rx_sw_if_index=mpls_tun1.sw_if_index, bd_id=1, enable=0) |
| 2222 | self.vapi.sw_interface_set_l2_bridge( |
| 2223 | rx_sw_if_index=mpls_tun2.sw_if_index, bd_id=1, enable=0) |
Ole Troan | a5b2eec | 2019-03-11 19:23:25 +0100 | [diff] [blame] | 2224 | self.vapi.sw_interface_set_l2_bridge( |
| 2225 | rx_sw_if_index=self.pg1.sw_if_index, bd_id=1, enable=0) |
Neale Ranns | da78f95 | 2017-05-24 09:15:43 -0700 | [diff] [blame] | 2226 | |
Paul Vinciguerra | 80b5e4f | 2019-05-09 15:53:10 -0400 | [diff] [blame] | 2227 | |
Neale Ranns | 8fe8cc2 | 2016-11-01 10:05:08 +0000 | [diff] [blame] | 2228 | if __name__ == '__main__': |
| 2229 | unittest.main(testRunner=VppTestRunner) |