tools/testing/selftests/net/forwarding/vxlan_symmetric_ipv6.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4
   5 # +--------------------------------+            +-----------------------------+
   6 # |                         vrf-h1 |            |                      vrf-h2 |
   7 # |    + $h1                       |            | + $h2                       |
   8 # |    | 2001:db8:1::1/64          |            | | 2001:db8:2::1/64          |
   9 # |    | default via 2001:db8:1::3 |            | | default via 2001:db8:2::3 |
  10 # +----|---------------------------+            +-|---------------------------+
  11 #      |                                          |
  12 # +----|------------------------------------------|---------------------------+
  13 # | SW |                                          |                           |
  14 # | +--|------------------------------------------|-------------------------+ |
  15 # | |  + $swp1                         br1          + $swp2                 | |
  16 # | |     vid 10 pvid untagged                         vid 20 pvid untagged | |
  17 # | |                                                                       | |
  18 # | |  + vx10                                       + vx20                  | |
  19 # | |    local 2001:db8:3::1                          local 2001:db8:3::1   | |
  20 # | |    remote 2001:db8:3::2                         remote 2001:db8:3::2  | |
  21 # | |    id 1010                                      id 1020               | |
  22 # | |    dstport 4789                                 dstport 4789          | |
  23 # | |    vid 10 pvid untagged                         vid 20 pvid untagged  | |
  24 # | |                                                                       | |
  25 # | |                             + vx4001                                  | |
  26 # | |                               local 2001:db8:3::1                     | |
  27 # | |                               remote 2001:db8:3::2                    | |
  28 # | |                               id 104001                               | |
  29 # | |                               dstport 4789                            | |
  30 # | |                               vid 4001 pvid untagged                  | |
  31 # | |                                                                       | |
  32 # | +-----------------------------------+-----------------------------------+ |
  33 # |                                     |                                     |
  34 # | +-----------------------------------|-----------------------------------+ |
  35 # | |                                   |                                   | |
  36 # | |  +--------------------------------+--------------------------------+  | |
  37 # | |  |                                |                                |  | |
  38 # | |  + vlan10                         |                         vlan20 +  | |
  39 # | |  | 2001:db8:1::2/64               |               2001:db8:2::2/64 |  | |
  40 # | |  |                                |                                |  | |
  41 # | |  + vlan10-v (macvlan)             +             vlan20-v (macvlan) +  | |
  42 # | |    2001:db8:1::3/64           vlan4001            2001:db8:2::3/64    | |
  43 # | |    00:00:5e:00:01:01                             00:00:5e:00:01:01    | |
  44 # | |                               vrf-green                               | |
  45 # | +-----------------------------------------------------------------------+ |
  46 # |                                                                           |
  47 # |    + $rp1                                       +lo                       |
  48 # |    | 2001:db8:4::1/64                           2001:db8:3::1             |
  49 # +----|----------------------------------------------------------------------+
  50 #      |
  51 # +----|--------------------------------------------------------+
  52 # |    |                            vrf-spine                   |
  53 # |    + $rp2                                                   |
  54 # |      2001:db8:4::2/64                                       |
  55 # |                                                             |   (maybe) HW
  56 # =============================================================================
  57 # |                                                             |  (likely) SW
  58 # |                                                             |
  59 # |    + v1 (veth)                                              |
  60 # |    | 2001:db8:5::2/64                                       |
  61 # +----|--------------------------------------------------------+
  62 #      |
  63 # +----|----------------------------------------------------------------------+
  64 # |    + v2 (veth)                                  +lo           NS1 (netns) |
  65 # |      2001:db8:5::1/64                            2001:db8:3::2/128        |
  66 # |                                                                           |
  67 # | +-----------------------------------------------------------------------+ |
  68 # | |                               vrf-green                               | |
  69 # | |  + vlan10-v (macvlan)                           vlan20-v (macvlan) +  | |
  70 # | |  | 2001:db8:1::3/64                               2001:db8:2::3/64 |  | |
  71 # | |  | 00:00:5e:00:01:01                             00:00:5e:00:01:01 |  | |
  72 # | |  |                            vlan4001                             |  | |
  73 # | |  + vlan10                         +                         vlan20 +  | |
  74 # | |  | 2001:db8:1::3/64               |               2001:db8:2::3/64 |  | |
  75 # | |  |                                |                                |  | |
  76 # | |  +--------------------------------+--------------------------------+  | |
  77 # | |                                   |                                   | |
  78 # | +-----------------------------------|-----------------------------------+ |
  79 # |                                     |                                     |
  80 # | +-----------------------------------+-----------------------------------+ |
  81 # | |                                                                       | |
  82 # | |  + vx10                                     + vx20                    | |
  83 # | |    local 2001:db8:3::2                        local 2001:db8:3::2     | |
  84 # | |    remote 2001:db8:3::1                       remote 2001:db8:3::1    | |
  85 # | |    id 1010                                    id 1020                 | |
  86 # | |    dstport 4789                               dstport 4789            | |
  87 # | |    vid 10 pvid untagged                       vid 20 pvid untagged    | |
  88 # | |                                                                       | |
  89 # | |                             + vx4001                                  | |
  90 # | |                               local 2001:db8:3::2                     | |
  91 # | |                               remote 2001:db8:3::1                    | |
  92 # | |                               id 104001                               | |
  93 # | |                               dstport 4789                            | |
  94 # | |                               vid 4001 pvid untagged                  | |
  95 # | |                                                                       | |
  96 # | |  + w1 (veth)                                + w3 (veth)               | |
  97 # | |  | vid 10 pvid untagged          br1        | vid 20 pvid untagged    | |
  98 # | +--|------------------------------------------|-------------------------+ |
  99 # |    |                                          |                           |
 100 # |    |                                          |                           |
 101 # | +--|----------------------+                +--|-------------------------+ |
 102 # | |  |               vrf-h1 |                |  |                  vrf-h2 | |
 103 # | |  + w2 (veth)            |                |  + w4 (veth)               | |
 104 # | |    2001:db8:1::4/64     |                |    2001:db8:2::4/64        | |
 105 # | |    default via          |                |    default via             | |
 106 # | |    2001:db8:1::3/64     |                |    2001:db8:2::3/64        | |
 107 # | +-------------------------+                +----------------------------+ |
 108 # +---------------------------------------------------------------------------+
 109
 110 ALL_TESTS="
 111         ping_ipv6
 112 "
 113 NUM_NETIFS=6
 114 source lib.sh
 115
 116 hx_create()
 117 {
 118         local vrf_name=$1; shift
 119         local if_name=$1; shift
 120         local ip_addr=$1; shift
 121         local gw_ip=$1; shift
 122
 123         vrf_create $vrf_name
 124         ip link set dev $if_name master $vrf_name
 125         ip link set dev $vrf_name up
 126         ip link set dev $if_name up
 127
 128         ip address add $ip_addr/64 dev $if_name
 129         ip neigh replace $gw_ip lladdr 00:00:5e:00:01:01 nud permanent \
 130                 dev $if_name
 131         ip route add default vrf $vrf_name nexthop via $gw_ip
 132 }
 133 export -f hx_create
 134
 135 hx_destroy()
 136 {
 137         local vrf_name=$1; shift
 138         local if_name=$1; shift
 139         local ip_addr=$1; shift
 140         local gw_ip=$1; shift
 141
 142         ip route del default vrf $vrf_name nexthop via $gw_ip
 143         ip neigh del $gw_ip dev $if_name
 144         ip address del $ip_addr/64 dev $if_name
 145
 146         ip link set dev $if_name down
 147         vrf_destroy $vrf_name
 148 }
 149
 150 h1_create()
 151 {
 152         hx_create "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3
 153 }
 154
 155 h1_destroy()
 156 {
 157         hx_destroy "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3
 158 }
 159
 160 h2_create()
 161 {
 162         hx_create "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3
 163 }
 164
 165 h2_destroy()
 166 {
 167         hx_destroy "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3
 168 }
 169
 170 switch_create()
 171 {
 172         ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \
 173                 mcast_snooping 0
 174         # Make sure the bridge uses the MAC address of the local port and not
 175         # that of the VxLAN's device.
 176         ip link set dev br1 address $(mac_get $swp1)
 177         ip link set dev br1 up
 178
 179         ip link set dev $rp1 up
 180         ip address add dev $rp1 2001:db8:4::1/64
 181         ip route add 2001:db8:3::2/128 nexthop via 2001:db8:4::2
 182
 183         ip link add name vx10 type vxlan id 1010                \
 184                 local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789   \
 185                 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100
 186         ip link set dev vx10 up
 187
 188         ip link set dev vx10 master br1
 189         bridge vlan add vid 10 dev vx10 pvid untagged
 190
 191         ip link add name vx20 type vxlan id 1020                \
 192                 local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789   \
 193                 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100
 194         ip link set dev vx20 up
 195
 196         ip link set dev vx20 master br1
 197         bridge vlan add vid 20 dev vx20 pvid untagged
 198
 199         ip link set dev $swp1 master br1
 200         ip link set dev $swp1 up
 201
 202         ip link set dev $swp2 master br1
 203         ip link set dev $swp2 up
 204
 205         ip link add name vx4001 type vxlan id 104001            \
 206                 local 2001:db8:3::1 dstport 4789                        \
 207                 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100
 208         ip link set dev vx4001 up
 209
 210         ip link set dev vx4001 master br1
 211         bridge vlan add vid 4001 dev vx4001 pvid untagged
 212
 213         ip address add 2001:db8:3::1/128 dev lo
 214
 215         # Create SVIs
 216         vrf_create "vrf-green"
 217         ip link set dev vrf-green up
 218
 219         ip link add link br1 name vlan10 up master vrf-green type vlan id 10
 220         ip address add 2001:db8:1::2/64 dev vlan10
 221         ip link add link vlan10 name vlan10-v up master vrf-green \
 222                 address 00:00:5e:00:01:01 type macvlan mode private
 223         ip address add 2001:db8:1::3/64 dev vlan10-v
 224
 225         ip link add link br1 name vlan20 up master vrf-green type vlan id 20
 226         ip address add 2001:db8:2::2/64 dev vlan20
 227         ip link add link vlan20 name vlan20-v up master vrf-green \
 228                 address 00:00:5e:00:01:01 type macvlan mode private
 229         ip address add 2001:db8:2::3/64 dev vlan20-v
 230
 231         ip link add link br1 name vlan4001 up master vrf-green \
 232                 type vlan id 4001
 233
 234         bridge vlan add vid 10 dev br1 self
 235         bridge vlan add vid 20 dev br1 self
 236         bridge vlan add vid 4001 dev br1 self
 237
 238         bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
 239         bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
 240
 241         bridge vlan add vid 10 dev $swp1 pvid untagged
 242         bridge vlan add vid 20 dev $swp2 pvid untagged
 243 }
 244
 245 switch_destroy()
 246 {
 247         bridge vlan del vid 20 dev br1 self
 248         bridge vlan del vid 10 dev br1 self
 249
 250         bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20
 251         bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10
 252
 253         bridge vlan del vid 4001 dev br1 self
 254         ip link del dev vlan4001
 255
 256         ip link del dev vlan20
 257
 258         ip link del dev vlan10
 259
 260         vrf_destroy "vrf-green"
 261
 262         ip address del 2001:db8:3::1/128 dev lo
 263
 264         bridge vlan del vid 20 dev $swp2
 265         ip link set dev $swp2 down
 266         ip link set dev $swp2 nomaster
 267
 268         bridge vlan del vid 10 dev $swp1
 269         ip link set dev $swp1 down
 270         ip link set dev $swp1 nomaster
 271
 272         bridge vlan del vid 4001 dev vx4001
 273         ip link set dev vx4001 nomaster
 274
 275         ip link set dev vx4001 down
 276         ip link del dev vx4001
 277
 278         bridge vlan del vid 20 dev vx20
 279         ip link set dev vx20 nomaster
 280
 281         ip link set dev vx20 down
 282         ip link del dev vx20
 283
 284         bridge vlan del vid 10 dev vx10
 285         ip link set dev vx10 nomaster
 286
 287         ip link set dev vx10 down
 288         ip link del dev vx10
 289
 290         ip route del 2001:db8:3::2 nexthop via 2001:db8:4::2
 291         ip address del dev $rp1 2001:db8:4::1/64
 292         ip link set dev $rp1 down
 293
 294         ip link set dev br1 down
 295         ip link del dev br1
 296 }
 297
 298 spine_create()
 299 {
 300         vrf_create "vrf-spine"
 301         ip link set dev $rp2 master vrf-spine
 302         ip link set dev v1 master vrf-spine
 303         ip link set dev vrf-spine up
 304         ip link set dev $rp2 up
 305         ip link set dev v1 up
 306
 307         ip address add 2001:db8:4::2/64 dev $rp2
 308         ip address add 2001:db8:5::2/64 dev v1
 309
 310         ip route add 2001:db8:3::1/128 vrf vrf-spine nexthop via \
 311                 2001:db8:4::1
 312         ip route add 2001:db8:3::2/128 vrf vrf-spine nexthop via \
 313                 2001:db8:5::1
 314 }
 315
 316 spine_destroy()
 317 {
 318         ip route del 2001:db8:3::2/128 vrf vrf-spine nexthop via \
 319                 2001:db8:5::1
 320         ip route del 2001:db8:3::1/128 vrf vrf-spine nexthop via \
 321                 2001:db8:4::1
 322
 323         ip address del 2001:db8:5::2/64 dev v1
 324         ip address del 2001:db8:4::2/64 dev $rp2
 325
 326         ip link set dev v1 down
 327         ip link set dev $rp2 down
 328         vrf_destroy "vrf-spine"
 329 }
 330
 331 ns_h1_create()
 332 {
 333         hx_create "vrf-h1" w2 2001:db8:1::4 2001:db8:1::3
 334 }
 335 export -f ns_h1_create
 336
 337 ns_h2_create()
 338 {
 339         hx_create "vrf-h2" w4 2001:db8:2::4 2001:db8:2::3
 340 }
 341 export -f ns_h2_create
 342
 343 ns_switch_create()
 344 {
 345         ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \
 346                 mcast_snooping 0
 347         ip link set dev br1 up
 348
 349         ip link set dev v2 up
 350         ip address add dev v2 2001:db8:5::1/64
 351         ip route add 2001:db8:3::1 nexthop via 2001:db8:5::2
 352
 353         ip link add name vx10 type vxlan id 1010                \
 354                 local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789   \
 355                 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100
 356         ip link set dev vx10 up
 357
 358         ip link set dev vx10 master br1
 359         bridge vlan add vid 10 dev vx10 pvid untagged
 360
 361         ip link add name vx20 type vxlan id 1020                \
 362                 local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789   \
 363                 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100
 364         ip link set dev vx20 up
 365
 366         ip link set dev vx20 master br1
 367         bridge vlan add vid 20 dev vx20 pvid untagged
 368
 369         ip link add name vx4001 type vxlan id 104001            \
 370                 local 2001:db8:3::2 dstport 4789                        \
 371                 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100
 372         ip link set dev vx4001 up
 373
 374         ip link set dev vx4001 master br1
 375         bridge vlan add vid 4001 dev vx4001 pvid untagged
 376
 377         ip link set dev w1 master br1
 378         ip link set dev w1 up
 379         bridge vlan add vid 10 dev w1 pvid untagged
 380
 381         ip link set dev w3 master br1
 382         ip link set dev w3 up
 383         bridge vlan add vid 20 dev w3 pvid untagged
 384
 385         ip address add 2001:db8:3::2/128 dev lo
 386
 387         # Create SVIs
 388         vrf_create "vrf-green"
 389         ip link set dev vrf-green up
 390
 391         ip link add link br1 name vlan10 up master vrf-green type vlan id 10
 392         ip address add 2001:db8:1::3/64 dev vlan10
 393         ip link add link vlan10 name vlan10-v up master vrf-green \
 394                 address 00:00:5e:00:01:01 type macvlan mode private
 395         ip address add 2001:db8:1::3/64 dev vlan10-v
 396
 397         ip link add link br1 name vlan20 up master vrf-green type vlan id 20
 398         ip address add 2001:db8:2::3/64 dev vlan20
 399         ip link add link vlan20 name vlan20-v up master vrf-green \
 400                 address 00:00:5e:00:01:01 type macvlan mode private
 401         ip address add 2001:db8:2::3/64 dev vlan20-v
 402
 403         ip link add link br1 name vlan4001 up master vrf-green \
 404                 type vlan id 4001
 405
 406         bridge vlan add vid 10 dev br1 self
 407         bridge vlan add vid 20 dev br1 self
 408         bridge vlan add vid 4001 dev br1 self
 409
 410         bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10
 411         bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20
 412 }
 413 export -f ns_switch_create
 414
 415 ns_init()
 416 {
 417         ip link add name w1 type veth peer name w2
 418         ip link add name w3 type veth peer name w4
 419
 420         ip link set dev lo up
 421
 422         ns_h1_create
 423         ns_h2_create
 424         ns_switch_create
 425 }
 426 export -f ns_init
 427
 428 ns1_create()
 429 {
 430         ip netns add ns1
 431         ip link set dev v2 netns ns1
 432         in_ns ns1 ns_init
 433 }
 434
 435 ns1_destroy()
 436 {
 437         ip netns exec ns1 ip link set dev v2 netns 1
 438         ip netns del ns1
 439 }
 440
 441 __l2_vni_init()
 442 {
 443         local mac1=$1; shift
 444         local mac2=$1; shift
 445         local ip1=$1; shift
 446         local ip2=$1; shift
 447         local dst=$1; shift
 448
 449         bridge fdb add $mac1 dev vx10 self master extern_learn static \
 450                 dst $dst vlan 10
 451         bridge fdb add $mac2 dev vx20 self master extern_learn static \
 452                 dst $dst vlan 20
 453
 454         ip neigh add $ip1 lladdr $mac1 nud noarp dev vlan10 \
 455                 extern_learn
 456         ip neigh add $ip2 lladdr $mac2 nud noarp dev vlan20 \
 457                 extern_learn
 458 }
 459 export -f __l2_vni_init
 460
 461 l2_vni_init()
 462 {
 463         local h1_ns_mac=$(in_ns ns1 mac_get w2)
 464         local h2_ns_mac=$(in_ns ns1 mac_get w4)
 465         local h1_mac=$(mac_get $h1)
 466         local h2_mac=$(mac_get $h2)
 467
 468         __l2_vni_init $h1_ns_mac $h2_ns_mac 2001:db8:1::4 2001:db8:2::4 \
 469                2001:db8:3::2
 470         in_ns ns1 __l2_vni_init $h1_mac $h2_mac 2001:db8:1::1 2001:db8:2::1 \
 471                2001:db8:3::1
 472 }
 473
 474 __l3_vni_init()
 475 {
 476         local mac=$1; shift
 477         local vtep_ip=$1; shift
 478         local host1_ip=$1; shift
 479         local host2_ip=$1; shift
 480
 481         bridge fdb add $mac dev vx4001 self master extern_learn static \
 482                 dst $vtep_ip vlan 4001
 483
 484         ip neigh add $vtep_ip lladdr $mac nud noarp dev vlan4001 extern_learn
 485
 486         ip route add $host1_ip/128 vrf vrf-green nexthop via $vtep_ip \
 487                 dev vlan4001 onlink
 488         ip route add $host2_ip/128 vrf vrf-green nexthop via $vtep_ip \
 489                 dev vlan4001 onlink
 490 }
 491 export -f __l3_vni_init
 492
 493 l3_vni_init()
 494 {
 495         local vlan4001_ns_mac=$(in_ns ns1 mac_get vlan4001)
 496         local vlan4001_mac=$(mac_get vlan4001)
 497
 498         __l3_vni_init $vlan4001_ns_mac 2001:db8:3::2 2001:db8:1::4 \
 499                 2001:db8:2::4
 500         in_ns ns1 __l3_vni_init $vlan4001_mac 2001:db8:3::1 2001:db8:1::1 \
 501                 2001:db8:2::1
 502 }
 503
 504 setup_prepare()
 505 {
 506         h1=${NETIFS[p1]}
 507         swp1=${NETIFS[p2]}
 508
 509         swp2=${NETIFS[p3]}
 510         h2=${NETIFS[p4]}
 511
 512         rp1=${NETIFS[p5]}
 513         rp2=${NETIFS[p6]}
 514
 515         vrf_prepare
 516         forwarding_enable
 517
 518         h1_create
 519         h2_create
 520         switch_create
 521
 522         ip link add name v1 type veth peer name v2
 523         spine_create
 524         ns1_create
 525         in_ns ns1 forwarding_enable
 526
 527         l2_vni_init
 528         l3_vni_init
 529 }
 530
 531 cleanup()
 532 {
 533         pre_cleanup
 534
 535         ns1_destroy
 536         spine_destroy
 537         ip link del dev v1
 538
 539         switch_destroy
 540         h2_destroy
 541         h1_destroy
 542
 543         forwarding_restore
 544         vrf_cleanup
 545 }
 546
 547 ping_ipv6()
 548 {
 549         ping6_test $h1 2001:db8:2::1 ": local->local vid 10->vid 20"
 550         ping6_test $h1 2001:db8:1::4 ": local->remote vid 10->vid 10"
 551         ping6_test $h2 2001:db8:2::4 ": local->remote vid 20->vid 20"
 552         ping6_test $h1 2001:db8:2::4 ": local->remote vid 10->vid 20"
 553         ping6_test $h2 2001:db8:1::4 ": local->remote vid 20->vid 10"
 554 }
 555
 556 trap cleanup EXIT
 557
 558 setup_prepare
 559 setup_wait
 560
 561 tests_run
 562
 563 exit $EXIT_STATUS