tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel / tools / testing / selftests / net / forwarding / vxlan_asymmetric_ipv6.sh
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1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# +--------------------------------+ +-----------------------------+ 5# | vrf-h1 | | vrf-h2 | 6# | + $h1 | | + $h2 | 7# | | 2001:db8:1::1/64 | | | 2001:db8:2::1/64 | 8# | | default via 2001:db8:1::3 | | | default via 2001:db8:2::3 | 9# +----|---------------------------+ +-|---------------------------+ 10# | | 11# +----|------------------------------------------|---------------------------+ 12# | SW | | | 13# | +--|------------------------------------------|-------------------------+ | 14# | | + $swp1 br1 + $swp2 | | 15# | | vid 10 pvid untagged vid 20 pvid untagged | | 16# | | | | 17# | | + vx10 + vx20 | | 18# | | local 2001:db8:3::1 local 2001:db8:3::1 | | 19# | | remote 2001:db8:3::2 remote 2001:db8:3::2 | | 20# | | id 1000 id 2000 | | 21# | | dstport 4789 dstport 4789 | | 22# | | vid 10 pvid untagged vid 20 pvid untagged | | 23# | | | | 24# | +-----------------------------------+-----------------------------------+ | 25# | | | 26# | +-----------------------------------|-----------------------------------+ | 27# | | | | | 28# | | +--------------------------------+--------------------------------+ | | 29# | | | | | | 30# | | + vlan10 vlan20 + | | 31# | | | 2001:db8:1::2/64 2001:db8:2::2/64 | | | 32# | | | | | | 33# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | | 34# | | 2001:db8:1::3/64 2001:db8:2::3/64 | | 35# | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | 36# | | vrf-green | | 37# | +-----------------------------------------------------------------------+ | 38# | | 39# | + $rp1 +lo | 40# | | 2001:db8:4::1/64 2001:db8:3::1/128 | 41# +----|----------------------------------------------------------------------+ 42# | 43# +----|--------------------------------------------------------+ 44# | | vrf-spine | 45# | + $rp2 | 46# | 2001:db8:4::2/64 | 47# | | (maybe) HW 48# ============================================================================= 49# | | (likely) SW 50# | | 51# | + v1 (veth) | 52# | | 2001:db8:5::2/64 | 53# +----|--------------------------------------------------------+ 54# | 55# +----|----------------------------------------------------------------------+ 56# | + v2 (veth) +lo NS1 (netns) | 57# | 2001:db8:5::1/64 2001:db8:3::2/128 | 58# | | 59# | +-----------------------------------------------------------------------+ | 60# | | vrf-green | | 61# | | + vlan10-v (macvlan) vlan20-v (macvlan) + | | 62# | | | 2001:db8:1::3/64 2001:db8:2::3/64 | | | 63# | | | 00:00:5e:00:01:01 00:00:5e:00:01:01 | | | 64# | | | | | | 65# | | + vlan10 vlan20 + | | 66# | | | 2001:db8:1::3/64 2001:db8:2::3/64 | | | 67# | | | | | | 68# | | +--------------------------------+--------------------------------+ | | 69# | | | | | 70# | +-----------------------------------|-----------------------------------+ | 71# | | | 72# | +-----------------------------------+-----------------------------------+ | 73# | | | | 74# | | + vx10 + vx20 | | 75# | | local 2001:db8:3::2 local 2001:db8:3::2 | | 76# | | remote 2001:db8:3::1 remote 2001:db8:3::1 | | 77# | | id 1000 id 2000 | | 78# | | dstport 4789 dstport 4789 | | 79# | | vid 10 pvid untagged vid 20 pvid untagged | | 80# | | | | 81# | | + w1 (veth) + w3 (veth) | | 82# | | | vid 10 pvid untagged br1 | vid 20 pvid untagged | | 83# | +--|------------------------------------------|-------------------------+ | 84# | | | | 85# | | | | 86# | +--|----------------------+ +--|-------------------------+ | 87# | | | vrf-h1 | | | vrf-h2 | | 88# | | + w2 (veth) | | + w4 (veth) | | 89# | | 2001:db8:1::4/64 | | 2001:db8:2::4/64 | | 90# | | default via | | default via | | 91# | | 2001:db8:1::3/64 | | 2001:db8:2::3/64 | | 92# | +-------------------------+ +----------------------------+ | 93# +---------------------------------------------------------------------------+ 94 95ALL_TESTS=" 96 ping_ipv6 97 arp_decap 98" 99NUM_NETIFS=6 100source lib.sh 101 102require_command $ARPING 103 104hx_create() 105{ 106 local vrf_name=$1; shift 107 local if_name=$1; shift 108 local ip_addr=$1; shift 109 local gw_ip=$1; shift 110 111 vrf_create $vrf_name 112 ip link set dev $if_name master $vrf_name 113 ip link set dev $vrf_name up 114 ip link set dev $if_name up 115 116 ip address add $ip_addr/64 dev $if_name 117 ip neigh replace $gw_ip lladdr 00:00:5e:00:01:01 nud permanent \ 118 dev $if_name 119 ip route add default vrf $vrf_name nexthop via $gw_ip 120} 121export -f hx_create 122 123hx_destroy() 124{ 125 local vrf_name=$1; shift 126 local if_name=$1; shift 127 local ip_addr=$1; shift 128 local gw_ip=$1; shift 129 130 ip route del default vrf $vrf_name nexthop via $gw_ip 131 ip neigh del $gw_ip dev $if_name 132 ip address del $ip_addr/64 dev $if_name 133 134 ip link set dev $if_name down 135 vrf_destroy $vrf_name 136} 137 138h1_create() 139{ 140 hx_create "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3 141} 142 143h1_destroy() 144{ 145 hx_destroy "vrf-h1" $h1 2001:db8:1::1 2001:db8:1::3 146} 147 148h2_create() 149{ 150 hx_create "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3 151} 152 153h2_destroy() 154{ 155 hx_destroy "vrf-h2" $h2 2001:db8:2::1 2001:db8:2::3 156} 157 158switch_create() 159{ 160 ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ 161 mcast_snooping 0 162 # Make sure the bridge uses the MAC address of the local port and not 163 # that of the VxLAN's device. 164 ip link set dev br1 address $(mac_get $swp1) 165 ip link set dev br1 up 166 167 ip link set dev $rp1 up 168 ip address add dev $rp1 2001:db8:4::1/64 169 ip route add 2001:db8:3::2/128 nexthop via 2001:db8:4::2 170 171 ip link add name vx10 type vxlan id 1000 \ 172 local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789 \ 173 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 174 ip link set dev vx10 up 175 176 ip link set dev vx10 master br1 177 bridge vlan add vid 10 dev vx10 pvid untagged 178 179 ip link add name vx20 type vxlan id 2000 \ 180 local 2001:db8:3::1 remote 2001:db8:3::2 dstport 4789 \ 181 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 182 ip link set dev vx20 up 183 184 ip link set dev vx20 master br1 185 bridge vlan add vid 20 dev vx20 pvid untagged 186 187 ip link set dev $swp1 master br1 188 ip link set dev $swp1 up 189 bridge vlan add vid 10 dev $swp1 pvid untagged 190 191 ip link set dev $swp2 master br1 192 ip link set dev $swp2 up 193 bridge vlan add vid 20 dev $swp2 pvid untagged 194 195 ip address add 2001:db8:3::1/128 dev lo 196 197 # Create SVIs 198 vrf_create "vrf-green" 199 ip link set dev vrf-green up 200 201 ip link add link br1 name vlan10 up master vrf-green type vlan id 10 202 ip address add 2001:db8:1::2/64 dev vlan10 203 ip link add link vlan10 name vlan10-v up master vrf-green \ 204 address 00:00:5e:00:01:01 type macvlan mode private 205 ip address add 2001:db8:1::3/64 dev vlan10-v 206 207 ip link add link br1 name vlan20 up master vrf-green type vlan id 20 208 ip address add 2001:db8:2::2/64 dev vlan20 209 ip link add link vlan20 name vlan20-v up master vrf-green \ 210 address 00:00:5e:00:01:01 type macvlan mode private 211 ip address add 2001:db8:2::3/64 dev vlan20-v 212 213 bridge vlan add vid 10 dev br1 self 214 bridge vlan add vid 20 dev br1 self 215 216 bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 217 bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 218 219} 220 221switch_destroy() 222{ 223 bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 20 224 bridge fdb del 00:00:5e:00:01:01 dev br1 self local vlan 10 225 226 bridge vlan del vid 20 dev br1 self 227 bridge vlan del vid 10 dev br1 self 228 229 ip link del dev vlan20 230 231 ip link del dev vlan10 232 233 vrf_destroy "vrf-green" 234 235 ip address del 2001:db8:3::1/128 dev lo 236 237 bridge vlan del vid 20 dev $swp2 238 ip link set dev $swp2 down 239 ip link set dev $swp2 nomaster 240 241 bridge vlan del vid 10 dev $swp1 242 ip link set dev $swp1 down 243 ip link set dev $swp1 nomaster 244 245 bridge vlan del vid 20 dev vx20 246 ip link set dev vx20 nomaster 247 248 ip link set dev vx20 down 249 ip link del dev vx20 250 251 bridge vlan del vid 10 dev vx10 252 ip link set dev vx10 nomaster 253 254 ip link set dev vx10 down 255 ip link del dev vx10 256 257 ip route del 2001:db8:3::2 nexthop via 2001:db8:4::2 258 ip address del dev $rp1 2001:db8:4::1/64 259 ip link set dev $rp1 down 260 261 ip link set dev br1 down 262 ip link del dev br1 263} 264 265spine_create() 266{ 267 vrf_create "vrf-spine" 268 ip link set dev $rp2 master vrf-spine 269 ip link set dev v1 master vrf-spine 270 ip link set dev vrf-spine up 271 ip link set dev $rp2 up 272 ip link set dev v1 up 273 274 ip address add 2001:db8:4::2/64 dev $rp2 275 ip address add 2001:db8:5::2/64 dev v1 276 277 ip route add 2001:db8:3::1/128 vrf vrf-spine nexthop via \ 278 2001:db8:4::1 279 ip route add 2001:db8:3::2/128 vrf vrf-spine nexthop via \ 280 2001:db8:5::1 281} 282 283spine_destroy() 284{ 285 ip route del 2001:db8:3::2/128 vrf vrf-spine nexthop via \ 286 2001:db8:5::1 287 ip route del 2001:db8:3::1/128 vrf vrf-spine nexthop via \ 288 2001:db8:4::1 289 290 ip address del 2001:db8:5::2/64 dev v1 291 ip address del 2001:db8:4::2/64 dev $rp2 292 293 ip link set dev v1 down 294 ip link set dev $rp2 down 295 vrf_destroy "vrf-spine" 296} 297 298ns_h1_create() 299{ 300 hx_create "vrf-h1" w2 2001:db8:1::4 2001:db8:1::3 301} 302export -f ns_h1_create 303 304ns_h2_create() 305{ 306 hx_create "vrf-h2" w4 2001:db8:2::4 2001:db8:2::3 307} 308export -f ns_h2_create 309 310ns_switch_create() 311{ 312 ip link add name br1 type bridge vlan_filtering 1 vlan_default_pvid 0 \ 313 mcast_snooping 0 314 ip link set dev br1 up 315 316 ip link set dev v2 up 317 ip address add dev v2 2001:db8:5::1/64 318 ip route add 2001:db8:3::1 nexthop via 2001:db8:5::2 319 320 ip link add name vx10 type vxlan id 1000 \ 321 local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789 \ 322 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 323 ip link set dev vx10 up 324 325 ip link set dev vx10 master br1 326 bridge vlan add vid 10 dev vx10 pvid untagged 327 328 ip link add name vx20 type vxlan id 2000 \ 329 local 2001:db8:3::2 remote 2001:db8:3::1 dstport 4789 \ 330 nolearning udp6zerocsumrx udp6zerocsumtx tos inherit ttl 100 331 ip link set dev vx20 up 332 333 ip link set dev vx20 master br1 334 bridge vlan add vid 20 dev vx20 pvid untagged 335 336 ip link set dev w1 master br1 337 ip link set dev w1 up 338 bridge vlan add vid 10 dev w1 pvid untagged 339 340 ip link set dev w3 master br1 341 ip link set dev w3 up 342 bridge vlan add vid 20 dev w3 pvid untagged 343 344 ip address add 2001:db8:3::2/128 dev lo 345 346 # Create SVIs 347 vrf_create "vrf-green" 348 ip link set dev vrf-green up 349 350 ip link add link br1 name vlan10 up master vrf-green type vlan id 10 351 ip address add 2001:db8:1::3/64 dev vlan10 352 ip link add link vlan10 name vlan10-v up master vrf-green \ 353 address 00:00:5e:00:01:01 type macvlan mode private 354 ip address add 2001:db8:1::3/64 dev vlan10-v 355 356 ip link add link br1 name vlan20 up master vrf-green type vlan id 20 357 ip address add 2001:db8:2::3/64 dev vlan20 358 ip link add link vlan20 name vlan20-v up master vrf-green \ 359 address 00:00:5e:00:01:01 type macvlan mode private 360 ip address add 2001:db8:2::3/64 dev vlan20-v 361 362 bridge vlan add vid 10 dev br1 self 363 bridge vlan add vid 20 dev br1 self 364 365 bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 10 366 bridge fdb add 00:00:5e:00:01:01 dev br1 self local vlan 20 367} 368export -f ns_switch_create 369 370ns_init() 371{ 372 ip link add name w1 type veth peer name w2 373 ip link add name w3 type veth peer name w4 374 375 ip link set dev lo up 376 377 ns_h1_create 378 ns_h2_create 379 ns_switch_create 380} 381export -f ns_init 382 383ns1_create() 384{ 385 ip netns add ns1 386 ip link set dev v2 netns ns1 387 in_ns ns1 ns_init 388} 389 390ns1_destroy() 391{ 392 ip netns exec ns1 ip link set dev v2 netns 1 393 ip netns del ns1 394} 395 396macs_populate() 397{ 398 local mac1=$1; shift 399 local mac2=$1; shift 400 local ip1=$1; shift 401 local ip2=$1; shift 402 local dst=$1; shift 403 404 bridge fdb add $mac1 dev vx10 self master extern_learn static \ 405 dst $dst vlan 10 406 bridge fdb add $mac2 dev vx20 self master extern_learn static \ 407 dst $dst vlan 20 408 409 ip neigh add $ip1 lladdr $mac1 nud noarp dev vlan10 \ 410 extern_learn 411 ip neigh add $ip2 lladdr $mac2 nud noarp dev vlan20 \ 412 extern_learn 413} 414export -f macs_populate 415 416macs_initialize() 417{ 418 local h1_ns_mac=$(in_ns ns1 mac_get w2) 419 local h2_ns_mac=$(in_ns ns1 mac_get w4) 420 local h1_mac=$(mac_get $h1) 421 local h2_mac=$(mac_get $h2) 422 423 macs_populate $h1_ns_mac $h2_ns_mac 2001:db8:1::4 2001:db8:2::4 \ 424 2001:db8:3::2 425 in_ns ns1 macs_populate $h1_mac $h2_mac 2001:db8:1::1 2001:db8:2::1 \ 426 2001:db8:3::1 427} 428 429setup_prepare() 430{ 431 h1=${NETIFS[p1]} 432 swp1=${NETIFS[p2]} 433 434 swp2=${NETIFS[p3]} 435 h2=${NETIFS[p4]} 436 437 rp1=${NETIFS[p5]} 438 rp2=${NETIFS[p6]} 439 440 vrf_prepare 441 forwarding_enable 442 443 h1_create 444 h2_create 445 switch_create 446 447 ip link add name v1 type veth peer name v2 448 spine_create 449 ns1_create 450 in_ns ns1 forwarding_enable 451 452 macs_initialize 453} 454 455cleanup() 456{ 457 pre_cleanup 458 459 ns1_destroy 460 spine_destroy 461 ip link del dev v1 462 463 switch_destroy 464 h2_destroy 465 h1_destroy 466 467 forwarding_restore 468 vrf_cleanup 469} 470 471ping_ipv6() 472{ 473 ping6_test $h1 2001:db8:2::1 ": local->local vid 10->vid 20" 474 ping6_test $h1 2001:db8:1::4 ": local->remote vid 10->vid 10" 475 ping6_test $h2 2001:db8:2::4 ": local->remote vid 20->vid 20" 476 ping6_test $h1 2001:db8:2::4 ": local->remote vid 10->vid 20" 477 ping6_test $h2 2001:db8:1::4 ": local->remote vid 20->vid 10" 478} 479 480arp_decap() 481{ 482 # Repeat the ping tests, but without populating the neighbours. This 483 # makes sure we correctly decapsulate ARP packets 484 log_info "deleting neighbours from vlan interfaces" 485 486 ip neigh del 2001:db8:1::4 dev vlan10 487 ip neigh del 2001:db8:2::4 dev vlan20 488 489 ping_ipv6 490 491 ip neigh replace 2001:db8:1::4 lladdr $(in_ns ns1 mac_get w2) \ 492 nud noarp dev vlan10 extern_learn 493 ip neigh replace 2001:db8:2::4 lladdr $(in_ns ns1 mac_get w4) \ 494 nud noarp dev vlan20 extern_learn 495} 496 497trap cleanup EXIT 498 499setup_prepare 500setup_wait 501 502tests_run 503 504exit $EXIT_STATUS