tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3 #
   4 # Test various interface configuration scenarios. Observe that configurations
   5 # deemed valid by mlxsw succeed, invalid configurations fail and that no traces
   6 # are produced. To prevent the test from passing in case traces are produced,
   7 # the user can set the 'kernel.panic_on_warn' and 'kernel.panic_on_oops'
   8 # sysctls in its environment.
   9
  10 lib_dir=$(dirname $0)/../../../net/forwarding
  11
  12 ALL_TESTS="
  13         rif_set_addr_test
  14         rif_vrf_set_addr_test
  15         rif_inherit_bridge_addr_test
  16         rif_non_inherit_bridge_addr_test
  17         vlan_interface_deletion_test
  18         bridge_deletion_test
  19         bridge_vlan_flags_test
  20         vlan_1_test
  21         lag_bridge_upper_test
  22         duplicate_vlans_test
  23         vlan_rif_refcount_test
  24         subport_rif_refcount_test
  25         subport_rif_lag_join_test
  26         vlan_dev_deletion_test
  27         lag_unlink_slaves_test
  28         lag_dev_deletion_test
  29         vlan_interface_uppers_test
  30         bridge_extern_learn_test
  31         neigh_offload_test
  32         nexthop_offload_test
  33         nexthop_obj_invalid_test
  34         nexthop_obj_offload_test
  35         nexthop_obj_group_offload_test
  36         nexthop_obj_blackhole_offload_test
  37         nexthop_obj_route_offload_test
  38         devlink_reload_test
  39 "
  40 NUM_NETIFS=2
  41 : ${TIMEOUT:=20000} # ms
  42 source $lib_dir/lib.sh
  43 source $lib_dir/devlink_lib.sh
  44
  45 setup_prepare()
  46 {
  47         swp1=${NETIFS[p1]}
  48         swp2=${NETIFS[p2]}
  49
  50         ip link set dev $swp1 up
  51         ip link set dev $swp2 up
  52 }
  53
  54 cleanup()
  55 {
  56         pre_cleanup
  57
  58         ip link set dev $swp2 down
  59         ip link set dev $swp1 down
  60 }
  61
  62 rif_set_addr_test()
  63 {
  64         local swp1_mac=$(mac_get $swp1)
  65         local swp2_mac=$(mac_get $swp2)
  66
  67         RET=0
  68
  69         # $swp1 and $swp2 likely got their IPv6 local addresses already, but
  70         # here we need to test the transition to RIF.
  71         ip addr flush dev $swp1
  72         ip addr flush dev $swp2
  73         sleep .1
  74
  75         ip addr add dev $swp1 192.0.2.1/28
  76         check_err $?
  77
  78         ip link set dev $swp1 addr 00:11:22:33:44:55
  79         check_err $?
  80
  81         # IP address enablement should be rejected if the MAC address prefix
  82         # doesn't match other RIFs.
  83         ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
  84         check_fail $? "IP address addition passed for a device with a wrong MAC"
  85         ip addr add dev $swp2 192.0.2.2/28 2>&1 >/dev/null \
  86             | grep -q mlxsw_spectrum
  87         check_err $? "no extack for IP address addition"
  88
  89         ip link set dev $swp2 addr 00:11:22:33:44:66
  90         check_err $?
  91         ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
  92         check_err $?
  93
  94         # Change of MAC address of a RIF should be forbidden if the new MAC
  95         # doesn't share the prefix with other MAC addresses.
  96         ip link set dev $swp2 addr 00:11:22:33:00:66 &>/dev/null
  97         check_fail $? "change of MAC address passed for a wrong MAC"
  98         ip link set dev $swp2 addr 00:11:22:33:00:66 2>&1 >/dev/null \
  99             | grep -q mlxsw_spectrum
 100         check_err $? "no extack for MAC address change"
 101
 102         log_test "RIF - bad MAC change"
 103
 104         ip addr del dev $swp2 192.0.2.2/28
 105         ip addr del dev $swp1 192.0.2.1/28
 106
 107         ip link set dev $swp2 addr $swp2_mac
 108         ip link set dev $swp1 addr $swp1_mac
 109 }
 110
 111 rif_vrf_set_addr_test()
 112 {
 113         # Test that it is possible to set an IP address on a VRF upper despite
 114         # its random MAC address.
 115         RET=0
 116
 117         ip link add name vrf-test type vrf table 10
 118         ip link set dev $swp1 master vrf-test
 119
 120         ip -4 address add 192.0.2.1/24 dev vrf-test
 121         check_err $? "failed to set IPv4 address on VRF"
 122         ip -6 address add 2001:db8:1::1/64 dev vrf-test
 123         check_err $? "failed to set IPv6 address on VRF"
 124
 125         log_test "RIF - setting IP address on VRF"
 126
 127         ip link del dev vrf-test
 128 }
 129
 130 rif_inherit_bridge_addr_test()
 131 {
 132         RET=0
 133
 134         # Create first RIF
 135         ip addr add dev $swp1 192.0.2.1/28
 136         check_err $?
 137
 138         # Create a FID RIF
 139         ip link add name br1 up type bridge vlan_filtering 0
 140         ip link set dev $swp2 master br1
 141         ip addr add dev br1 192.0.2.17/28
 142         check_err $?
 143
 144         # Prepare a device with a low MAC address
 145         ip link add name d up type dummy
 146         ip link set dev d addr 00:11:22:33:44:55
 147
 148         # Attach the device to br1. That prompts bridge address change, which
 149         # should be vetoed, thus preventing the attachment.
 150         ip link set dev d master br1 &>/dev/null
 151         check_fail $? "Device with low MAC was permitted to attach a bridge with RIF"
 152         ip link set dev d master br1 2>&1 >/dev/null \
 153             | grep -q mlxsw_spectrum
 154         check_err $? "no extack for bridge attach rejection"
 155
 156         ip link set dev $swp2 addr 00:11:22:33:44:55 &>/dev/null
 157         check_fail $? "Changing swp2's MAC address permitted"
 158         ip link set dev $swp2 addr 00:11:22:33:44:55 2>&1 >/dev/null \
 159             | grep -q mlxsw_spectrum
 160         check_err $? "no extack for bridge port MAC address change rejection"
 161
 162         log_test "RIF - attach port with bad MAC to bridge"
 163
 164         ip link del dev d
 165         ip link del dev br1
 166         ip addr del dev $swp1 192.0.2.1/28
 167 }
 168
 169 rif_non_inherit_bridge_addr_test()
 170 {
 171         local swp2_mac=$(mac_get $swp2)
 172
 173         RET=0
 174
 175         # Create first RIF
 176         ip addr add dev $swp1 192.0.2.1/28
 177         check_err $?
 178
 179         # Create a FID RIF
 180         ip link add name br1 up type bridge vlan_filtering 0
 181         ip link set dev br1 addr $swp2_mac
 182         ip link set dev $swp2 master br1
 183         ip addr add dev br1 192.0.2.17/28
 184         check_err $?
 185
 186         # Prepare a device with a low MAC address
 187         ip link add name d up type dummy
 188         ip link set dev d addr 00:11:22:33:44:55
 189
 190         # Attach the device to br1. Since the bridge address was set, it should
 191         # work.
 192         ip link set dev d master br1 &>/dev/null
 193         check_err $? "Could not attach a device with low MAC to a bridge with RIF"
 194
 195         # Port MAC address change should be allowed for a bridge with set MAC.
 196         ip link set dev $swp2 addr 00:11:22:33:44:55
 197         check_err $? "Changing swp2's MAC address not permitted"
 198
 199         log_test "RIF - attach port with bad MAC to bridge with set MAC"
 200
 201         ip link set dev $swp2 addr $swp2_mac
 202         ip link del dev d
 203         ip link del dev br1
 204         ip addr del dev $swp1 192.0.2.1/28
 205 }
 206
 207 vlan_interface_deletion_test()
 208 {
 209         # Test that when a VLAN interface is deleted, its associated router
 210         # interface (RIF) is correctly deleted and not leaked. See commit
 211         # c360867ec46a ("mlxsw: spectrum: Delete RIF when VLAN device is
 212         # removed") for more details
 213         RET=0
 214
 215         ip link add name br0 type bridge vlan_filtering 1
 216         ip link set dev $swp1 master br0
 217
 218         ip link add link br0 name br0.10 type vlan id 10
 219         ip -6 address add 2001:db8:1::1/64 dev br0.10
 220         ip link del dev br0.10
 221
 222         # If we leaked the previous RIF, then this should produce a trace
 223         ip link add link br0 name br0.20 type vlan id 20
 224         ip -6 address add 2001:db8:1::1/64 dev br0.20
 225         ip link del dev br0.20
 226
 227         log_test "vlan interface deletion"
 228
 229         ip link del dev br0
 230 }
 231
 232 bridge_deletion_test()
 233 {
 234         # Test that when a bridge with VLAN interfaces is deleted, we correctly
 235         # delete the associated RIFs. See commit 602b74eda813 ("mlxsw:
 236         # spectrum_switchdev: Do not leak RIFs when removing bridge") for more
 237         # details
 238         RET=0
 239
 240         ip link add name br0 type bridge vlan_filtering 1
 241         ip link set dev $swp1 master br0
 242         ip -6 address add 2001:db8::1/64 dev br0
 243
 244         ip link add link br0 name br0.10 type vlan id 10
 245         ip -6 address add 2001:db8:1::1/64 dev br0.10
 246
 247         ip link add link br0 name br0.20 type vlan id 20
 248         ip -6 address add 2001:db8:2::1/64 dev br0.20
 249
 250         ip link del dev br0
 251
 252         # If we leaked previous RIFs, then this should produce a trace
 253         ip -6 address add 2001:db8:1::1/64 dev $swp1
 254         ip -6 address del 2001:db8:1::1/64 dev $swp1
 255
 256         log_test "bridge deletion"
 257 }
 258
 259 bridge_vlan_flags_test()
 260 {
 261         # Test that when bridge VLAN flags are toggled, we do not take
 262         # unnecessary references on related structs. See commit 9e25826ffc94
 263         # ("mlxsw: spectrum_switchdev: Fix port_vlan refcounting") for more
 264         # details
 265         RET=0
 266
 267         ip link add name br0 type bridge vlan_filtering 1
 268         ip link set dev $swp1 master br0
 269
 270         bridge vlan add vid 10 dev $swp1 pvid untagged
 271         bridge vlan add vid 10 dev $swp1 untagged
 272         bridge vlan add vid 10 dev $swp1 pvid
 273         bridge vlan add vid 10 dev $swp1
 274         ip link del dev br0
 275
 276         # If we did not handle references correctly, then this should produce a
 277         # trace
 278         devlink dev reload "$DEVLINK_DEV"
 279
 280         # Allow netdevices to be re-created following the reload
 281         sleep 20
 282
 283         log_test "bridge vlan flags"
 284 }
 285
 286 vlan_1_test()
 287 {
 288         # Test that VLAN 1 can be configured over mlxsw ports. In the past it
 289         # was used internally for untagged traffic. See commit 47bf9df2e820
 290         # ("mlxsw: spectrum: Forbid creation of VLAN 1 over port/LAG") for more
 291         # details
 292         RET=0
 293
 294         ip link add link $swp1 name $swp1.1 type vlan id 1
 295         check_err $? "did not manage to create vlan 1 when should"
 296
 297         log_test "vlan 1"
 298
 299         ip link del dev $swp1.1
 300 }
 301
 302 lag_bridge_upper_test()
 303 {
 304         # Test that ports cannot be enslaved to LAG devices that have uppers
 305         # and that failure is handled gracefully. See commit b3529af6bb0d
 306         # ("spectrum: Reference count VLAN entries") for more details
 307         RET=0
 308
 309         ip link add name bond1 type bond mode 802.3ad
 310
 311         ip link add name br0 type bridge vlan_filtering 1
 312         ip link set dev bond1 master br0
 313
 314         ip link set dev $swp1 down
 315         ip link set dev $swp1 master bond1 &> /dev/null
 316         check_fail $? "managed to enslave port to lag when should not"
 317
 318         # This might generate a trace, if we did not handle the failure
 319         # correctly
 320         ip -6 address add 2001:db8:1::1/64 dev $swp1
 321         ip -6 address del 2001:db8:1::1/64 dev $swp1
 322
 323         log_test "lag with bridge upper"
 324
 325         ip link del dev br0
 326         ip link del dev bond1
 327 }
 328
 329 duplicate_vlans_test()
 330 {
 331         # Test that on a given port a VLAN is only used once. Either as VLAN
 332         # in a VLAN-aware bridge or as a VLAN device
 333         RET=0
 334
 335         ip link add name br0 type bridge vlan_filtering 1
 336         ip link set dev $swp1 master br0
 337         bridge vlan add vid 10 dev $swp1
 338
 339         ip link add link $swp1 name $swp1.10 type vlan id 10 &> /dev/null
 340         check_fail $? "managed to create vlan device when should not"
 341
 342         bridge vlan del vid 10 dev $swp1
 343         ip link add link $swp1 name $swp1.10 type vlan id 10
 344         check_err $? "did not manage to create vlan device when should"
 345         bridge vlan add vid 10 dev $swp1 &> /dev/null
 346         check_fail $? "managed to add bridge vlan when should not"
 347
 348         log_test "duplicate vlans"
 349
 350         ip link del dev $swp1.10
 351         ip link del dev br0
 352 }
 353
 354 vlan_rif_refcount_test()
 355 {
 356         # Test that RIFs representing VLAN interfaces are not affected from
 357         # ports member in the VLAN. We use the offload indication on routes
 358         # configured on the RIF to understand if it was created / destroyed
 359         RET=0
 360
 361         ip link add name br0 type bridge vlan_filtering 1
 362         ip link set dev $swp1 master br0
 363
 364         ip link set dev $swp1 up
 365         ip link set dev br0 up
 366
 367         ip link add link br0 name br0.10 up type vlan id 10
 368         ip -6 address add 2001:db8:1::1/64 dev br0.10
 369
 370         busywait "$TIMEOUT" wait_for_offload \
 371                 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10
 372         check_err $? "vlan rif was not created before adding port to vlan"
 373
 374         bridge vlan add vid 10 dev $swp1
 375         busywait "$TIMEOUT" wait_for_offload \
 376                 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10
 377         check_err $? "vlan rif was destroyed after adding port to vlan"
 378
 379         bridge vlan del vid 10 dev $swp1
 380         busywait "$TIMEOUT" wait_for_offload \
 381                 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10
 382         check_err $? "vlan rif was destroyed after removing port from vlan"
 383
 384         ip link set dev $swp1 nomaster
 385         busywait "$TIMEOUT" not wait_for_offload \
 386                 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10
 387         check_err $? "vlan rif was not destroyed after unlinking port from bridge"
 388
 389         log_test "vlan rif refcount"
 390
 391         ip link del dev br0.10
 392         ip link set dev $swp1 down
 393         ip link del dev br0
 394 }
 395
 396 subport_rif_refcount_test()
 397 {
 398         # Test that RIFs representing upper devices of physical ports are
 399         # reference counted correctly and destroyed when should. We use the
 400         # offload indication on routes configured on the RIF to understand if
 401         # it was created / destroyed
 402         RET=0
 403
 404         ip link add name bond1 type bond mode 802.3ad
 405         ip link set dev $swp1 down
 406         ip link set dev $swp2 down
 407         ip link set dev $swp1 master bond1
 408         ip link set dev $swp2 master bond1
 409
 410         ip link set dev bond1 up
 411         ip link add link bond1 name bond1.10 up type vlan id 10
 412         ip -6 address add 2001:db8:1::1/64 dev bond1
 413         ip -6 address add 2001:db8:2::1/64 dev bond1.10
 414
 415         busywait "$TIMEOUT" wait_for_offload \
 416                 ip -6 route get fibmatch 2001:db8:1::2 dev bond1
 417         check_err $? "subport rif was not created on lag device"
 418         busywait "$TIMEOUT" wait_for_offload \
 419                 ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10
 420         check_err $? "subport rif was not created on vlan device"
 421
 422         ip link set dev $swp1 nomaster
 423         busywait "$TIMEOUT" wait_for_offload \
 424                 ip -6 route get fibmatch 2001:db8:1::2 dev bond1
 425         check_err $? "subport rif of lag device was destroyed when should not"
 426         busywait "$TIMEOUT" wait_for_offload \
 427                 ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10
 428         check_err $? "subport rif of vlan device was destroyed when should not"
 429
 430         ip link set dev $swp2 nomaster
 431         busywait "$TIMEOUT" not wait_for_offload \
 432                 ip -6 route get fibmatch 2001:db8:1::2 dev bond1
 433         check_err $? "subport rif of lag device was not destroyed when should"
 434         busywait "$TIMEOUT" not wait_for_offload \
 435                 ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10
 436         check_err $? "subport rif of vlan device was not destroyed when should"
 437
 438         log_test "subport rif refcount"
 439
 440         ip link del dev bond1.10
 441         ip link del dev bond1
 442 }
 443
 444 subport_rif_lag_join_test()
 445 {
 446         # Test that the reference count of a RIF configured for a LAG is
 447         # incremented / decremented when ports join / leave the LAG. We use the
 448         # offload indication on routes configured on the RIF to understand if
 449         # it was created / destroyed
 450         RET=0
 451
 452         ip link add name bond1 type bond mode 802.3ad
 453         ip link set dev $swp1 down
 454         ip link set dev $swp2 down
 455         ip link set dev $swp1 master bond1
 456         ip link set dev $swp2 master bond1
 457
 458         ip link set dev bond1 up
 459         ip -6 address add 2001:db8:1::1/64 dev bond1
 460
 461         busywait "$TIMEOUT" wait_for_offload \
 462                 ip -6 route get fibmatch 2001:db8:1::2 dev bond1
 463         check_err $? "subport rif was not created on lag device"
 464
 465         ip link set dev $swp1 nomaster
 466         busywait "$TIMEOUT" wait_for_offload \
 467                 ip -6 route get fibmatch 2001:db8:1::2 dev bond1
 468         check_err $? "subport rif of lag device was destroyed after removing one port"
 469
 470         ip link set dev $swp1 master bond1
 471         ip link set dev $swp2 nomaster
 472         busywait "$TIMEOUT" wait_for_offload \
 473                 ip -6 route get fibmatch 2001:db8:1::2 dev bond1
 474         check_err $? "subport rif of lag device was destroyed after re-adding a port and removing another"
 475
 476         ip link set dev $swp1 nomaster
 477         busywait "$TIMEOUT" not wait_for_offload \
 478                 ip -6 route get fibmatch 2001:db8:1::2 dev bond1
 479         check_err $? "subport rif of lag device was not destroyed when should"
 480
 481         log_test "subport rif lag join"
 482
 483         ip link del dev bond1
 484 }
 485
 486 vlan_dev_deletion_test()
 487 {
 488         # Test that VLAN devices are correctly deleted / unlinked when enslaved
 489         # to bridge
 490         RET=0
 491
 492         ip link add name br10 type bridge
 493         ip link add name br20 type bridge
 494         ip link add name br30 type bridge
 495         ip link add link $swp1 name $swp1.10 type vlan id 10
 496         ip link add link $swp1 name $swp1.20 type vlan id 20
 497         ip link add link $swp1 name $swp1.30 type vlan id 30
 498         ip link set dev $swp1.10 master br10
 499         ip link set dev $swp1.20 master br20
 500         ip link set dev $swp1.30 master br30
 501
 502         # If we did not handle the situation correctly, then these operations
 503         # might produce a trace
 504         ip link set dev $swp1.30 nomaster
 505         ip link del dev $swp1.20
 506         # Deletion via ioctl uses different code paths from netlink
 507         vconfig rem $swp1.10 &> /dev/null
 508
 509         log_test "vlan device deletion"
 510
 511         ip link del dev $swp1.30
 512         ip link del dev br30
 513         ip link del dev br20
 514         ip link del dev br10
 515 }
 516
 517 lag_create()
 518 {
 519         ip link add name bond1 type bond mode 802.3ad
 520         ip link set dev $swp1 down
 521         ip link set dev $swp2 down
 522         ip link set dev $swp1 master bond1
 523         ip link set dev $swp2 master bond1
 524
 525         ip link add link bond1 name bond1.10 type vlan id 10
 526         ip link add link bond1 name bond1.20 type vlan id 20
 527
 528         ip link add name br0 type bridge vlan_filtering 1
 529         ip link set dev bond1 master br0
 530
 531         ip link add name br10 type bridge
 532         ip link set dev bond1.10 master br10
 533
 534         ip link add name br20 type bridge
 535         ip link set dev bond1.20 master br20
 536 }
 537
 538 lag_unlink_slaves_test()
 539 {
 540         # Test that ports are correctly unlinked from their LAG master, when
 541         # the LAG and its VLAN uppers are enslaved to bridges
 542         RET=0
 543
 544         lag_create
 545
 546         ip link set dev $swp1 nomaster
 547         check_err $? "lag slave $swp1 was not unlinked from master"
 548         ip link set dev $swp2 nomaster
 549         check_err $? "lag slave $swp2 was not unlinked from master"
 550
 551         # Try to configure corresponding VLANs as router interfaces
 552         ip -6 address add 2001:db8:1::1/64 dev $swp1
 553         check_err $? "failed to configure ip address on $swp1"
 554
 555         ip link add link $swp1 name $swp1.10 type vlan id 10
 556         ip -6 address add 2001:db8:10::1/64 dev $swp1.10
 557         check_err $? "failed to configure ip address on $swp1.10"
 558
 559         ip link add link $swp1 name $swp1.20 type vlan id 20
 560         ip -6 address add 2001:db8:20::1/64 dev $swp1.20
 561         check_err $? "failed to configure ip address on $swp1.20"
 562
 563         log_test "lag slaves unlinking"
 564
 565         ip link del dev $swp1.20
 566         ip link del dev $swp1.10
 567         ip address flush dev $swp1
 568
 569         ip link del dev br20
 570         ip link del dev br10
 571         ip link del dev br0
 572         ip link del dev bond1
 573 }
 574
 575 lag_dev_deletion_test()
 576 {
 577         # Test that LAG device is correctly deleted, when the LAG and its VLAN
 578         # uppers are enslaved to bridges
 579         RET=0
 580
 581         lag_create
 582
 583         ip link del dev bond1
 584
 585         log_test "lag device deletion"
 586
 587         ip link del dev br20
 588         ip link del dev br10
 589         ip link del dev br0
 590 }
 591
 592 vlan_interface_uppers_test()
 593 {
 594         # Test that uppers of a VLAN interface are correctly sanitized
 595         RET=0
 596
 597         ip link add name br0 type bridge vlan_filtering 1
 598         ip link set dev $swp1 master br0
 599
 600         ip link add link br0 name br0.10 type vlan id 10
 601         ip link add link br0.10 name macvlan0 \
 602                 type macvlan mode private &> /dev/null
 603         check_fail $? "managed to create a macvlan when should not"
 604
 605         ip -6 address add 2001:db8:1::1/64 dev br0.10
 606         ip link add link br0.10 name macvlan0 type macvlan mode private
 607         check_err $? "did not manage to create a macvlan when should"
 608
 609         ip link del dev macvlan0
 610
 611         ip link add name vrf-test type vrf table 10
 612         ip link set dev br0.10 master vrf-test
 613         check_err $? "did not manage to enslave vlan interface to vrf"
 614         ip link del dev vrf-test
 615
 616         ip link add name br-test type bridge
 617         ip link set dev br0.10 master br-test &> /dev/null
 618         check_fail $? "managed to enslave vlan interface to bridge when should not"
 619         ip link del dev br-test
 620
 621         log_test "vlan interface uppers"
 622
 623         ip link del dev br0
 624 }
 625
 626 bridge_extern_learn_test()
 627 {
 628         # Test that externally learned entries added from user space are
 629         # marked as offloaded
 630         RET=0
 631
 632         ip link add name br0 type bridge
 633         ip link set dev $swp1 master br0
 634
 635         bridge fdb add de:ad:be:ef:13:37 dev $swp1 master extern_learn
 636
 637         busywait "$TIMEOUT" wait_for_offload \
 638                 bridge fdb show brport $swp1 de:ad:be:ef:13:37
 639         check_err $? "fdb entry not marked as offloaded when should"
 640
 641         log_test "externally learned fdb entry"
 642
 643         ip link del dev br0
 644 }
 645
 646 neigh_offload_test()
 647 {
 648         # Test that IPv4 and IPv6 neighbour entries are marked as offloaded
 649         RET=0
 650
 651         ip -4 address add 192.0.2.1/24 dev $swp1
 652         ip -6 address add 2001:db8:1::1/64 dev $swp1
 653
 654         ip -4 neigh add 192.0.2.2 lladdr de:ad:be:ef:13:37 nud perm dev $swp1
 655         ip -6 neigh add 2001:db8:1::2 lladdr de:ad:be:ef:13:37 nud perm \
 656                 dev $swp1
 657
 658         busywait "$TIMEOUT" wait_for_offload \
 659                 ip -4 neigh show dev $swp1 192.0.2.2
 660         check_err $? "ipv4 neigh entry not marked as offloaded when should"
 661         busywait "$TIMEOUT" wait_for_offload \
 662                 ip -6 neigh show dev $swp1 2001:db8:1::2
 663         check_err $? "ipv6 neigh entry not marked as offloaded when should"
 664
 665         log_test "neighbour offload indication"
 666
 667         ip -6 neigh del 2001:db8:1::2 dev $swp1
 668         ip -4 neigh del 192.0.2.2 dev $swp1
 669         ip -6 address del 2001:db8:1::1/64 dev $swp1
 670         ip -4 address del 192.0.2.1/24 dev $swp1
 671 }
 672
 673 nexthop_offload_test()
 674 {
 675         # Test that IPv4 and IPv6 nexthops are marked as offloaded
 676         RET=0
 677
 678         sysctl_set net.ipv6.conf.$swp2.keep_addr_on_down 1
 679         simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
 680         simple_if_init $swp2 192.0.2.2/24 2001:db8:1::2/64
 681         setup_wait
 682
 683         ip -4 route add 198.51.100.0/24 vrf v$swp1 \
 684                 nexthop via 192.0.2.2 dev $swp1
 685         ip -6 route add 2001:db8:2::/64 vrf v$swp1 \
 686                 nexthop via 2001:db8:1::2 dev $swp1
 687
 688         busywait "$TIMEOUT" wait_for_offload \
 689                 ip -4 route show 198.51.100.0/24 vrf v$swp1
 690         check_err $? "ipv4 nexthop not marked as offloaded when should"
 691         busywait "$TIMEOUT" wait_for_offload \
 692                 ip -6 route show 2001:db8:2::/64 vrf v$swp1
 693         check_err $? "ipv6 nexthop not marked as offloaded when should"
 694
 695         ip link set dev $swp2 down
 696         sleep 1
 697
 698         busywait "$TIMEOUT" not wait_for_offload \
 699                 ip -4 route show 198.51.100.0/24 vrf v$swp1
 700         check_err $? "ipv4 nexthop marked as offloaded when should not"
 701         busywait "$TIMEOUT" not wait_for_offload \
 702                 ip -6 route show 2001:db8:2::/64 vrf v$swp1
 703         check_err $? "ipv6 nexthop marked as offloaded when should not"
 704
 705         ip link set dev $swp2 up
 706         setup_wait
 707
 708         busywait "$TIMEOUT" wait_for_offload \
 709                 ip -4 route show 198.51.100.0/24 vrf v$swp1
 710         check_err $? "ipv4 nexthop not marked as offloaded after neigh add"
 711         busywait "$TIMEOUT" wait_for_offload \
 712                 ip -6 route show 2001:db8:2::/64 vrf v$swp1
 713         check_err $? "ipv6 nexthop not marked as offloaded after neigh add"
 714
 715         log_test "nexthop offload indication"
 716
 717         ip -6 route del 2001:db8:2::/64 vrf v$swp1
 718         ip -4 route del 198.51.100.0/24 vrf v$swp1
 719
 720         simple_if_fini $swp2 192.0.2.2/24 2001:db8:1::2/64
 721         simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
 722         sysctl_restore net.ipv6.conf.$swp2.keep_addr_on_down
 723 }
 724
 725 nexthop_obj_invalid_test()
 726 {
 727         # Test that invalid nexthop object configurations are rejected
 728         RET=0
 729
 730         simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
 731         simple_if_init $swp2 192.0.2.2/24 2001:db8:1::2/64
 732         setup_wait
 733
 734         ip nexthop add id 1 via 192.0.2.3 fdb
 735         check_fail $? "managed to configure an FDB nexthop when should not"
 736
 737         ip nexthop add id 1 encap mpls 200/300 via 192.0.2.3 dev $swp1
 738         check_fail $? "managed to configure a nexthop with MPLS encap when should not"
 739
 740         ip nexthop add id 1 dev $swp1
 741         ip nexthop add id 2 dev $swp1
 742         ip nexthop add id 10 group 1/2
 743         check_fail $? "managed to configure a nexthop group with device-only nexthops when should not"
 744
 745         log_test "nexthop objects - invalid configurations"
 746
 747         ip nexthop del id 2
 748         ip nexthop del id 1
 749
 750         simple_if_fini $swp2 192.0.2.2/24 2001:db8:1::2/64
 751         simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
 752 }
 753
 754 nexthop_obj_offload_test()
 755 {
 756         # Test offload indication of nexthop objects
 757         RET=0
 758
 759         simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
 760         simple_if_init $swp2
 761         setup_wait
 762
 763         ip nexthop add id 1 via 192.0.2.2 dev $swp1
 764         ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \
 765                 dev $swp1
 766
 767         busywait "$TIMEOUT" wait_for_offload \
 768                 ip nexthop show id 1
 769         check_err $? "nexthop not marked as offloaded when should"
 770
 771         ip neigh replace 192.0.2.2 nud failed dev $swp1
 772         busywait "$TIMEOUT" not wait_for_offload \
 773                 ip nexthop show id 1
 774         check_err $? "nexthop marked as offloaded after setting neigh to failed state"
 775
 776         ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \
 777                 dev $swp1
 778         busywait "$TIMEOUT" wait_for_offload \
 779                 ip nexthop show id 1
 780         check_err $? "nexthop not marked as offloaded after neigh replace"
 781
 782         ip nexthop replace id 1 via 192.0.2.3 dev $swp1
 783         busywait "$TIMEOUT" not wait_for_offload \
 784                 ip nexthop show id 1
 785         check_err $? "nexthop marked as offloaded after replacing to use an invalid address"
 786
 787         ip nexthop replace id 1 via 192.0.2.2 dev $swp1
 788         busywait "$TIMEOUT" wait_for_offload \
 789                 ip nexthop show id 1
 790         check_err $? "nexthop not marked as offloaded after replacing to use a valid address"
 791
 792         log_test "nexthop objects offload indication"
 793
 794         ip neigh del 192.0.2.2 dev $swp1
 795         ip nexthop del id 1
 796
 797         simple_if_fini $swp2
 798         simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
 799 }
 800
 801 nexthop_obj_group_offload_test()
 802 {
 803         # Test offload indication of nexthop group objects
 804         RET=0
 805
 806         simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
 807         simple_if_init $swp2
 808         setup_wait
 809
 810         ip nexthop add id 1 via 192.0.2.2 dev $swp1
 811         ip nexthop add id 2 via 2001:db8:1::2 dev $swp1
 812         ip nexthop add id 10 group 1/2
 813         ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \
 814                 dev $swp1
 815         ip neigh replace 192.0.2.3 lladdr 00:11:22:33:44:55 nud reachable \
 816                 dev $swp1
 817         ip neigh replace 2001:db8:1::2 lladdr 00:11:22:33:44:55 nud reachable \
 818                 dev $swp1
 819
 820         busywait "$TIMEOUT" wait_for_offload \
 821                 ip nexthop show id 1
 822         check_err $? "IPv4 nexthop not marked as offloaded when should"
 823         busywait "$TIMEOUT" wait_for_offload \
 824                 ip nexthop show id 2
 825         check_err $? "IPv6 nexthop not marked as offloaded when should"
 826         busywait "$TIMEOUT" wait_for_offload \
 827                 ip nexthop show id 10
 828         check_err $? "nexthop group not marked as offloaded when should"
 829
 830         # Invalidate nexthop id 1
 831         ip neigh replace 192.0.2.2 nud failed dev $swp1
 832         busywait "$TIMEOUT" not wait_for_offload \
 833                 ip nexthop show id 10
 834         check_fail $? "nexthop group not marked as offloaded with one valid nexthop"
 835
 836         # Invalidate nexthop id 2
 837         ip neigh replace 2001:db8:1::2 nud failed dev $swp1
 838         busywait "$TIMEOUT" not wait_for_offload \
 839                 ip nexthop show id 10
 840         check_err $? "nexthop group marked as offloaded when should not"
 841
 842         # Revalidate nexthop id 1
 843         ip nexthop replace id 1 via 192.0.2.3 dev $swp1
 844         busywait "$TIMEOUT" wait_for_offload \
 845                 ip nexthop show id 10
 846         check_err $? "nexthop group not marked as offloaded after revalidating nexthop"
 847
 848         log_test "nexthop group objects offload indication"
 849
 850         ip neigh del 2001:db8:1::2 dev $swp1
 851         ip neigh del 192.0.2.3 dev $swp1
 852         ip neigh del 192.0.2.2 dev $swp1
 853         ip nexthop del id 10
 854         ip nexthop del id 2
 855         ip nexthop del id 1
 856
 857         simple_if_fini $swp2
 858         simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
 859 }
 860
 861 nexthop_obj_blackhole_offload_test()
 862 {
 863         # Test offload indication of blackhole nexthop objects
 864         RET=0
 865
 866         ip nexthop add id 1 blackhole
 867         busywait "$TIMEOUT" wait_for_offload \
 868                 ip nexthop show id 1
 869         check_err $? "Blackhole nexthop not marked as offloaded when should"
 870
 871         ip nexthop add id 10 group 1
 872         busywait "$TIMEOUT" wait_for_offload \
 873                 ip nexthop show id 10
 874         check_err $? "Nexthop group not marked as offloaded when should"
 875
 876         log_test "blackhole nexthop objects offload indication"
 877
 878         ip nexthop del id 10
 879         ip nexthop del id 1
 880 }
 881
 882 nexthop_obj_route_offload_test()
 883 {
 884         # Test offload indication of routes using nexthop objects
 885         RET=0
 886
 887         simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
 888         simple_if_init $swp2
 889         setup_wait
 890
 891         ip nexthop add id 1 via 192.0.2.2 dev $swp1
 892         ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \
 893                 dev $swp1
 894         ip neigh replace 192.0.2.3 lladdr 00:11:22:33:44:55 nud reachable \
 895                 dev $swp1
 896
 897         ip route replace 198.51.100.0/24 nhid 1
 898         busywait "$TIMEOUT" wait_for_offload \
 899                 ip route show 198.51.100.0/24
 900         check_err $? "route not marked as offloaded when using valid nexthop"
 901
 902         ip nexthop replace id 1 via 192.0.2.3 dev $swp1
 903         busywait "$TIMEOUT" wait_for_offload \
 904                 ip route show 198.51.100.0/24
 905         check_err $? "route not marked as offloaded after replacing valid nexthop with a valid one"
 906
 907         ip nexthop replace id 1 via 192.0.2.4 dev $swp1
 908         busywait "$TIMEOUT" not wait_for_offload \
 909                 ip route show 198.51.100.0/24
 910         check_err $? "route marked as offloaded after replacing valid nexthop with an invalid one"
 911
 912         ip nexthop replace id 1 via 192.0.2.2 dev $swp1
 913         busywait "$TIMEOUT" wait_for_offload \
 914                 ip route show 198.51.100.0/24
 915         check_err $? "route not marked as offloaded after replacing invalid nexthop with a valid one"
 916
 917         log_test "routes using nexthop objects offload indication"
 918
 919         ip route del 198.51.100.0/24
 920         ip neigh del 192.0.2.3 dev $swp1
 921         ip neigh del 192.0.2.2 dev $swp1
 922         ip nexthop del id 1
 923
 924         simple_if_fini $swp2
 925         simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
 926 }
 927
 928 devlink_reload_test()
 929 {
 930         # Test that after executing all the above configuration tests, a
 931         # devlink reload can be performed without errors
 932         RET=0
 933
 934         devlink dev reload "$DEVLINK_DEV"
 935         check_err $? "devlink reload failed"
 936
 937         log_test "devlink reload - last test"
 938
 939         sleep 20
 940 }
 941
 942 trap cleanup EXIT
 943
 944 setup_prepare
 945 setup_wait
 946
 947 tests_run
 948
 949 exit $EXIT_STATUS