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         vlan_dev_deletion_test
  26         lag_unlink_slaves_test
  27         lag_dev_deletion_test
  28         vlan_interface_uppers_test
  29         bridge_extern_learn_test
  30         neigh_offload_test
  31         nexthop_offload_test
  32         devlink_reload_test
  33 "
  34 NUM_NETIFS=2
  35 source $lib_dir/lib.sh
  36 source $lib_dir/devlink_lib.sh
  37
  38 setup_prepare()
  39 {
  40         swp1=${NETIFS[p1]}
  41         swp2=${NETIFS[p2]}
  42
  43         ip link set dev $swp1 up
  44         ip link set dev $swp2 up
  45 }
  46
  47 cleanup()
  48 {
  49         pre_cleanup
  50
  51         ip link set dev $swp2 down
  52         ip link set dev $swp1 down
  53 }
  54
  55 rif_set_addr_test()
  56 {
  57         local swp1_mac=$(mac_get $swp1)
  58         local swp2_mac=$(mac_get $swp2)
  59
  60         RET=0
  61
  62         # $swp1 and $swp2 likely got their IPv6 local addresses already, but
  63         # here we need to test the transition to RIF.
  64         ip addr flush dev $swp1
  65         ip addr flush dev $swp2
  66         sleep .1
  67
  68         ip addr add dev $swp1 192.0.2.1/28
  69         check_err $?
  70
  71         ip link set dev $swp1 addr 00:11:22:33:44:55
  72         check_err $?
  73
  74         # IP address enablement should be rejected if the MAC address prefix
  75         # doesn't match other RIFs.
  76         ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
  77         check_fail $? "IP address addition passed for a device with a wrong MAC"
  78         ip addr add dev $swp2 192.0.2.2/28 2>&1 >/dev/null \
  79             | grep -q mlxsw_spectrum
  80         check_err $? "no extack for IP address addition"
  81
  82         ip link set dev $swp2 addr 00:11:22:33:44:66
  83         check_err $?
  84         ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
  85         check_err $?
  86
  87         # Change of MAC address of a RIF should be forbidden if the new MAC
  88         # doesn't share the prefix with other MAC addresses.
  89         ip link set dev $swp2 addr 00:11:22:33:00:66 &>/dev/null
  90         check_fail $? "change of MAC address passed for a wrong MAC"
  91         ip link set dev $swp2 addr 00:11:22:33:00:66 2>&1 >/dev/null \
  92             | grep -q mlxsw_spectrum
  93         check_err $? "no extack for MAC address change"
  94
  95         log_test "RIF - bad MAC change"
  96
  97         ip addr del dev $swp2 192.0.2.2/28
  98         ip addr del dev $swp1 192.0.2.1/28
  99
 100         ip link set dev $swp2 addr $swp2_mac
 101         ip link set dev $swp1 addr $swp1_mac
 102 }
 103
 104 rif_vrf_set_addr_test()
 105 {
 106         # Test that it is possible to set an IP address on a VRF upper despite
 107         # its random MAC address.
 108         RET=0
 109
 110         ip link add name vrf-test type vrf table 10
 111         ip link set dev $swp1 master vrf-test
 112
 113         ip -4 address add 192.0.2.1/24 dev vrf-test
 114         check_err $? "failed to set IPv4 address on VRF"
 115         ip -6 address add 2001:db8:1::1/64 dev vrf-test
 116         check_err $? "failed to set IPv6 address on VRF"
 117
 118         log_test "RIF - setting IP address on VRF"
 119
 120         ip link del dev vrf-test
 121 }
 122
 123 rif_inherit_bridge_addr_test()
 124 {
 125         RET=0
 126
 127         # Create first RIF
 128         ip addr add dev $swp1 192.0.2.1/28
 129         check_err $?
 130
 131         # Create a FID RIF
 132         ip link add name br1 up type bridge vlan_filtering 0
 133         ip link set dev $swp2 master br1
 134         ip addr add dev br1 192.0.2.17/28
 135         check_err $?
 136
 137         # Prepare a device with a low MAC address
 138         ip link add name d up type dummy
 139         ip link set dev d addr 00:11:22:33:44:55
 140
 141         # Attach the device to br1. That prompts bridge address change, which
 142         # should be vetoed, thus preventing the attachment.
 143         ip link set dev d master br1 &>/dev/null
 144         check_fail $? "Device with low MAC was permitted to attach a bridge with RIF"
 145         ip link set dev d master br1 2>&1 >/dev/null \
 146             | grep -q mlxsw_spectrum
 147         check_err $? "no extack for bridge attach rejection"
 148
 149         ip link set dev $swp2 addr 00:11:22:33:44:55 &>/dev/null
 150         check_fail $? "Changing swp2's MAC address permitted"
 151         ip link set dev $swp2 addr 00:11:22:33:44:55 2>&1 >/dev/null \
 152             | grep -q mlxsw_spectrum
 153         check_err $? "no extack for bridge port MAC address change rejection"
 154
 155         log_test "RIF - attach port with bad MAC to bridge"
 156
 157         ip link del dev d
 158         ip link del dev br1
 159         ip addr del dev $swp1 192.0.2.1/28
 160 }
 161
 162 rif_non_inherit_bridge_addr_test()
 163 {
 164         local swp2_mac=$(mac_get $swp2)
 165
 166         RET=0
 167
 168         # Create first RIF
 169         ip addr add dev $swp1 192.0.2.1/28
 170         check_err $?
 171
 172         # Create a FID RIF
 173         ip link add name br1 up type bridge vlan_filtering 0
 174         ip link set dev br1 addr $swp2_mac
 175         ip link set dev $swp2 master br1
 176         ip addr add dev br1 192.0.2.17/28
 177         check_err $?
 178
 179         # Prepare a device with a low MAC address
 180         ip link add name d up type dummy
 181         ip link set dev d addr 00:11:22:33:44:55
 182
 183         # Attach the device to br1. Since the bridge address was set, it should
 184         # work.
 185         ip link set dev d master br1 &>/dev/null
 186         check_err $? "Could not attach a device with low MAC to a bridge with RIF"
 187
 188         # Port MAC address change should be allowed for a bridge with set MAC.
 189         ip link set dev $swp2 addr 00:11:22:33:44:55
 190         check_err $? "Changing swp2's MAC address not permitted"
 191
 192         log_test "RIF - attach port with bad MAC to bridge with set MAC"
 193
 194         ip link set dev $swp2 addr $swp2_mac
 195         ip link del dev d
 196         ip link del dev br1
 197         ip addr del dev $swp1 192.0.2.1/28
 198 }
 199
 200 vlan_interface_deletion_test()
 201 {
 202         # Test that when a VLAN interface is deleted, its associated router
 203         # interface (RIF) is correctly deleted and not leaked. See commit
 204         # c360867ec46a ("mlxsw: spectrum: Delete RIF when VLAN device is
 205         # removed") for more details
 206         RET=0
 207
 208         ip link add name br0 type bridge vlan_filtering 1
 209         ip link set dev $swp1 master br0
 210
 211         ip link add link br0 name br0.10 type vlan id 10
 212         ip -6 address add 2001:db8:1::1/64 dev br0.10
 213         ip link del dev br0.10
 214
 215         # If we leaked the previous RIF, then this should produce a trace
 216         ip link add link br0 name br0.20 type vlan id 20
 217         ip -6 address add 2001:db8:1::1/64 dev br0.20
 218         ip link del dev br0.20
 219
 220         log_test "vlan interface deletion"
 221
 222         ip link del dev br0
 223 }
 224
 225 bridge_deletion_test()
 226 {
 227         # Test that when a bridge with VLAN interfaces is deleted, we correctly
 228         # delete the associated RIFs. See commit 602b74eda813 ("mlxsw:
 229         # spectrum_switchdev: Do not leak RIFs when removing bridge") for more
 230         # details
 231         RET=0
 232
 233         ip link add name br0 type bridge vlan_filtering 1
 234         ip link set dev $swp1 master br0
 235         ip -6 address add 2001:db8::1/64 dev br0
 236
 237         ip link add link br0 name br0.10 type vlan id 10
 238         ip -6 address add 2001:db8:1::1/64 dev br0.10
 239
 240         ip link add link br0 name br0.20 type vlan id 20
 241         ip -6 address add 2001:db8:2::1/64 dev br0.20
 242
 243         ip link del dev br0
 244
 245         # If we leaked previous RIFs, then this should produce a trace
 246         ip -6 address add 2001:db8:1::1/64 dev $swp1
 247         ip -6 address del 2001:db8:1::1/64 dev $swp1
 248
 249         log_test "bridge deletion"
 250 }
 251
 252 bridge_vlan_flags_test()
 253 {
 254         # Test that when bridge VLAN flags are toggled, we do not take
 255         # unnecessary references on related structs. See commit 9e25826ffc94
 256         # ("mlxsw: spectrum_switchdev: Fix port_vlan refcounting") for more
 257         # details
 258         RET=0
 259
 260         ip link add name br0 type bridge vlan_filtering 1
 261         ip link set dev $swp1 master br0
 262
 263         bridge vlan add vid 10 dev $swp1 pvid untagged
 264         bridge vlan add vid 10 dev $swp1 untagged
 265         bridge vlan add vid 10 dev $swp1 pvid
 266         bridge vlan add vid 10 dev $swp1
 267         ip link del dev br0
 268
 269         # If we did not handle references correctly, then this should produce a
 270         # trace
 271         devlink dev reload "$DEVLINK_DEV"
 272
 273         # Allow netdevices to be re-created following the reload
 274         sleep 20
 275
 276         log_test "bridge vlan flags"
 277 }
 278
 279 vlan_1_test()
 280 {
 281         # Test that VLAN 1 can be configured over mlxsw ports. In the past it
 282         # was used internally for untagged traffic. See commit 47bf9df2e820
 283         # ("mlxsw: spectrum: Forbid creation of VLAN 1 over port/LAG") for more
 284         # details
 285         RET=0
 286
 287         ip link add link $swp1 name $swp1.1 type vlan id 1
 288         check_err $? "did not manage to create vlan 1 when should"
 289
 290         log_test "vlan 1"
 291
 292         ip link del dev $swp1.1
 293 }
 294
 295 lag_bridge_upper_test()
 296 {
 297         # Test that ports cannot be enslaved to LAG devices that have uppers
 298         # and that failure is handled gracefully. See commit b3529af6bb0d
 299         # ("spectrum: Reference count VLAN entries") for more details
 300         RET=0
 301
 302         ip link add name bond1 type bond mode 802.3ad
 303
 304         ip link add name br0 type bridge vlan_filtering 1
 305         ip link set dev bond1 master br0
 306
 307         ip link set dev $swp1 down
 308         ip link set dev $swp1 master bond1 &> /dev/null
 309         check_fail $? "managed to enslave port to lag when should not"
 310
 311         # This might generate a trace, if we did not handle the failure
 312         # correctly
 313         ip -6 address add 2001:db8:1::1/64 dev $swp1
 314         ip -6 address del 2001:db8:1::1/64 dev $swp1
 315
 316         log_test "lag with bridge upper"
 317
 318         ip link del dev br0
 319         ip link del dev bond1
 320 }
 321
 322 duplicate_vlans_test()
 323 {
 324         # Test that on a given port a VLAN is only used once. Either as VLAN
 325         # in a VLAN-aware bridge or as a VLAN device
 326         RET=0
 327
 328         ip link add name br0 type bridge vlan_filtering 1
 329         ip link set dev $swp1 master br0
 330         bridge vlan add vid 10 dev $swp1
 331
 332         ip link add link $swp1 name $swp1.10 type vlan id 10 &> /dev/null
 333         check_fail $? "managed to create vlan device when should not"
 334
 335         bridge vlan del vid 10 dev $swp1
 336         ip link add link $swp1 name $swp1.10 type vlan id 10
 337         check_err $? "did not manage to create vlan device when should"
 338         bridge vlan add vid 10 dev $swp1 &> /dev/null
 339         check_fail $? "managed to add bridge vlan when should not"
 340
 341         log_test "duplicate vlans"
 342
 343         ip link del dev $swp1.10
 344         ip link del dev br0
 345 }
 346
 347 vlan_rif_refcount_test()
 348 {
 349         # Test that RIFs representing VLAN interfaces are not affected from
 350         # ports member in the VLAN. We use the offload indication on routes
 351         # configured on the RIF to understand if it was created / destroyed
 352         RET=0
 353
 354         ip link add name br0 type bridge vlan_filtering 1
 355         ip link set dev $swp1 master br0
 356
 357         ip link set dev $swp1 up
 358         ip link set dev br0 up
 359
 360         ip link add link br0 name br0.10 up type vlan id 10
 361         ip -6 address add 2001:db8:1::1/64 dev br0.10
 362
 363         ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
 364         check_err $? "vlan rif was not created before adding port to vlan"
 365
 366         bridge vlan add vid 10 dev $swp1
 367         ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
 368         check_err $? "vlan rif was destroyed after adding port to vlan"
 369
 370         bridge vlan del vid 10 dev $swp1
 371         ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
 372         check_err $? "vlan rif was destroyed after removing port from vlan"
 373
 374         ip link set dev $swp1 nomaster
 375         ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
 376         check_fail $? "vlan rif was not destroyed after unlinking port from bridge"
 377
 378         log_test "vlan rif refcount"
 379
 380         ip link del dev br0.10
 381         ip link set dev $swp1 down
 382         ip link del dev br0
 383 }
 384
 385 subport_rif_refcount_test()
 386 {
 387         # Test that RIFs representing upper devices of physical ports are
 388         # reference counted correctly and destroyed when should. We use the
 389         # offload indication on routes configured on the RIF to understand if
 390         # it was created / destroyed
 391         RET=0
 392
 393         ip link add name bond1 type bond mode 802.3ad
 394         ip link set dev $swp1 down
 395         ip link set dev $swp2 down
 396         ip link set dev $swp1 master bond1
 397         ip link set dev $swp2 master bond1
 398
 399         ip link set dev bond1 up
 400         ip link add link bond1 name bond1.10 up type vlan id 10
 401         ip -6 address add 2001:db8:1::1/64 dev bond1
 402         ip -6 address add 2001:db8:2::1/64 dev bond1.10
 403
 404         ip -6 route get fibmatch 2001:db8:1::2 dev bond1 | grep -q offload
 405         check_err $? "subport rif was not created on lag device"
 406         ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10 | grep -q offload
 407         check_err $? "subport rif was not created on vlan device"
 408
 409         ip link set dev $swp1 nomaster
 410         ip -6 route get fibmatch 2001:db8:1::2 dev bond1 | grep -q offload
 411         check_err $? "subport rif of lag device was destroyed when should not"
 412         ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10 | grep -q offload
 413         check_err $? "subport rif of vlan device was destroyed when should not"
 414
 415         ip link set dev $swp2 nomaster
 416         ip -6 route get fibmatch 2001:db8:1::2 dev bond1 | grep -q offload
 417         check_fail $? "subport rif of lag device was not destroyed when should"
 418         ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10 | grep -q offload
 419         check_fail $? "subport rif of vlan device was not destroyed when should"
 420
 421         log_test "subport rif refcount"
 422
 423         ip link del dev bond1.10
 424         ip link del dev bond1
 425 }
 426
 427 vlan_dev_deletion_test()
 428 {
 429         # Test that VLAN devices are correctly deleted / unlinked when enslaved
 430         # to bridge
 431         RET=0
 432
 433         ip link add name br10 type bridge
 434         ip link add name br20 type bridge
 435         ip link add name br30 type bridge
 436         ip link add link $swp1 name $swp1.10 type vlan id 10
 437         ip link add link $swp1 name $swp1.20 type vlan id 20
 438         ip link add link $swp1 name $swp1.30 type vlan id 30
 439         ip link set dev $swp1.10 master br10
 440         ip link set dev $swp1.20 master br20
 441         ip link set dev $swp1.30 master br30
 442
 443         # If we did not handle the situation correctly, then these operations
 444         # might produce a trace
 445         ip link set dev $swp1.30 nomaster
 446         ip link del dev $swp1.20
 447         # Deletion via ioctl uses different code paths from netlink
 448         vconfig rem $swp1.10 &> /dev/null
 449
 450         log_test "vlan device deletion"
 451
 452         ip link del dev $swp1.30
 453         ip link del dev br30
 454         ip link del dev br20
 455         ip link del dev br10
 456 }
 457
 458 lag_create()
 459 {
 460         ip link add name bond1 type bond mode 802.3ad
 461         ip link set dev $swp1 down
 462         ip link set dev $swp2 down
 463         ip link set dev $swp1 master bond1
 464         ip link set dev $swp2 master bond1
 465
 466         ip link add link bond1 name bond1.10 type vlan id 10
 467         ip link add link bond1 name bond1.20 type vlan id 20
 468
 469         ip link add name br0 type bridge vlan_filtering 1
 470         ip link set dev bond1 master br0
 471
 472         ip link add name br10 type bridge
 473         ip link set dev bond1.10 master br10
 474
 475         ip link add name br20 type bridge
 476         ip link set dev bond1.20 master br20
 477 }
 478
 479 lag_unlink_slaves_test()
 480 {
 481         # Test that ports are correctly unlinked from their LAG master, when
 482         # the LAG and its VLAN uppers are enslaved to bridges
 483         RET=0
 484
 485         lag_create
 486
 487         ip link set dev $swp1 nomaster
 488         check_err $? "lag slave $swp1 was not unlinked from master"
 489         ip link set dev $swp2 nomaster
 490         check_err $? "lag slave $swp2 was not unlinked from master"
 491
 492         # Try to configure corresponding VLANs as router interfaces
 493         ip -6 address add 2001:db8:1::1/64 dev $swp1
 494         check_err $? "failed to configure ip address on $swp1"
 495
 496         ip link add link $swp1 name $swp1.10 type vlan id 10
 497         ip -6 address add 2001:db8:10::1/64 dev $swp1.10
 498         check_err $? "failed to configure ip address on $swp1.10"
 499
 500         ip link add link $swp1 name $swp1.20 type vlan id 20
 501         ip -6 address add 2001:db8:20::1/64 dev $swp1.20
 502         check_err $? "failed to configure ip address on $swp1.20"
 503
 504         log_test "lag slaves unlinking"
 505
 506         ip link del dev $swp1.20
 507         ip link del dev $swp1.10
 508         ip address flush dev $swp1
 509
 510         ip link del dev br20
 511         ip link del dev br10
 512         ip link del dev br0
 513         ip link del dev bond1
 514 }
 515
 516 lag_dev_deletion_test()
 517 {
 518         # Test that LAG device is correctly deleted, when the LAG and its VLAN
 519         # uppers are enslaved to bridges
 520         RET=0
 521
 522         lag_create
 523
 524         ip link del dev bond1
 525
 526         log_test "lag device deletion"
 527
 528         ip link del dev br20
 529         ip link del dev br10
 530         ip link del dev br0
 531 }
 532
 533 vlan_interface_uppers_test()
 534 {
 535         # Test that uppers of a VLAN interface are correctly sanitized
 536         RET=0
 537
 538         ip link add name br0 type bridge vlan_filtering 1
 539         ip link set dev $swp1 master br0
 540
 541         ip link add link br0 name br0.10 type vlan id 10
 542         ip link add link br0.10 name macvlan0 \
 543                 type macvlan mode private &> /dev/null
 544         check_fail $? "managed to create a macvlan when should not"
 545
 546         ip -6 address add 2001:db8:1::1/64 dev br0.10
 547         ip link add link br0.10 name macvlan0 type macvlan mode private
 548         check_err $? "did not manage to create a macvlan when should"
 549
 550         ip link del dev macvlan0
 551
 552         ip link add name vrf-test type vrf table 10
 553         ip link set dev br0.10 master vrf-test
 554         check_err $? "did not manage to enslave vlan interface to vrf"
 555         ip link del dev vrf-test
 556
 557         ip link add name br-test type bridge
 558         ip link set dev br0.10 master br-test &> /dev/null
 559         check_fail $? "managed to enslave vlan interface to bridge when should not"
 560         ip link del dev br-test
 561
 562         log_test "vlan interface uppers"
 563
 564         ip link del dev br0
 565 }
 566
 567 bridge_extern_learn_test()
 568 {
 569         # Test that externally learned entries added from user space are
 570         # marked as offloaded
 571         RET=0
 572
 573         ip link add name br0 type bridge
 574         ip link set dev $swp1 master br0
 575
 576         bridge fdb add de:ad:be:ef:13:37 dev $swp1 master extern_learn
 577
 578         bridge fdb show brport $swp1 | grep de:ad:be:ef:13:37 | grep -q offload
 579         check_err $? "fdb entry not marked as offloaded when should"
 580
 581         log_test "externally learned fdb entry"
 582
 583         ip link del dev br0
 584 }
 585
 586 neigh_offload_test()
 587 {
 588         # Test that IPv4 and IPv6 neighbour entries are marked as offloaded
 589         RET=0
 590
 591         ip -4 address add 192.0.2.1/24 dev $swp1
 592         ip -6 address add 2001:db8:1::1/64 dev $swp1
 593
 594         ip -4 neigh add 192.0.2.2 lladdr de:ad:be:ef:13:37 nud perm dev $swp1
 595         ip -6 neigh add 2001:db8:1::2 lladdr de:ad:be:ef:13:37 nud perm \
 596                 dev $swp1
 597
 598         ip -4 neigh show dev $swp1 | grep 192.0.2.2 | grep -q offload
 599         check_err $? "ipv4 neigh entry not marked as offloaded when should"
 600         ip -6 neigh show dev $swp1 | grep 2001:db8:1::2 | grep -q offload
 601         check_err $? "ipv6 neigh entry not marked as offloaded when should"
 602
 603         log_test "neighbour offload indication"
 604
 605         ip -6 neigh del 2001:db8:1::2 dev $swp1
 606         ip -4 neigh del 192.0.2.2 dev $swp1
 607         ip -6 address del 2001:db8:1::1/64 dev $swp1
 608         ip -4 address del 192.0.2.1/24 dev $swp1
 609 }
 610
 611 nexthop_offload_test()
 612 {
 613         # Test that IPv4 and IPv6 nexthops are marked as offloaded
 614         RET=0
 615
 616         sysctl_set net.ipv6.conf.$swp2.keep_addr_on_down 1
 617         simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
 618         simple_if_init $swp2 192.0.2.2/24 2001:db8:1::2/64
 619         setup_wait
 620
 621         ip -4 route add 198.51.100.0/24 vrf v$swp1 \
 622                 nexthop via 192.0.2.2 dev $swp1
 623         ip -6 route add 2001:db8:2::/64 vrf v$swp1 \
 624                 nexthop via 2001:db8:1::2 dev $swp1
 625
 626         ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload
 627         check_err $? "ipv4 nexthop not marked as offloaded when should"
 628         ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload
 629         check_err $? "ipv6 nexthop not marked as offloaded when should"
 630
 631         ip link set dev $swp2 down
 632         sleep 1
 633
 634         ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload
 635         check_fail $? "ipv4 nexthop marked as offloaded when should not"
 636         ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload
 637         check_fail $? "ipv6 nexthop marked as offloaded when should not"
 638
 639         ip link set dev $swp2 up
 640         setup_wait
 641
 642         ip -4 route show 198.51.100.0/24 vrf v$swp1 | grep -q offload
 643         check_err $? "ipv4 nexthop not marked as offloaded after neigh add"
 644         ip -6 route show 2001:db8:2::/64 vrf v$swp1 | grep -q offload
 645         check_err $? "ipv6 nexthop not marked as offloaded after neigh add"
 646
 647         log_test "nexthop offload indication"
 648
 649         ip -6 route del 2001:db8:2::/64 vrf v$swp1
 650         ip -4 route del 198.51.100.0/24 vrf v$swp1
 651
 652         simple_if_fini $swp2 192.0.2.2/24 2001:db8:1::2/64
 653         simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
 654         sysctl_restore net.ipv6.conf.$swp2.keep_addr_on_down
 655 }
 656
 657 devlink_reload_test()
 658 {
 659         # Test that after executing all the above configuration tests, a
 660         # devlink reload can be performed without errors
 661         RET=0
 662
 663         devlink dev reload "$DEVLINK_DEV"
 664         check_err $? "devlink reload failed"
 665
 666         log_test "devlink reload - last test"
 667
 668         sleep 20
 669 }
 670
 671 trap cleanup EXIT
 672
 673 setup_prepare
 674 setup_wait
 675
 676 tests_run
 677
 678 exit $EXIT_STATUS