2 # SPDX-License-Identifier: GPL-2.0
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.
10 lib_dir=$(dirname $0)/../../../net/forwarding
15 rif_inherit_bridge_addr_test
16 rif_non_inherit_bridge_addr_test
17 vlan_interface_deletion_test
19 bridge_vlan_flags_test
23 vlan_rif_refcount_test
24 subport_rif_refcount_test
25 vlan_dev_deletion_test
26 lag_unlink_slaves_test
28 vlan_interface_uppers_test
29 bridge_extern_learn_test
34 source $lib_dir/lib.sh
35 source $lib_dir/devlink_lib.sh
42 ip link set dev $swp1 up
43 ip link set dev $swp2 up
50 ip link set dev $swp2 down
51 ip link set dev $swp1 down
56 local swp1_mac=$(mac_get $swp1)
57 local swp2_mac=$(mac_get $swp2)
61 # $swp1 and $swp2 likely got their IPv6 local addresses already, but
62 # here we need to test the transition to RIF.
63 ip addr flush dev $swp1
64 ip addr flush dev $swp2
67 ip addr add dev $swp1 192.0.2.1/28
70 ip link set dev $swp1 addr 00:11:22:33:44:55
73 # IP address enablement should be rejected if the MAC address prefix
74 # doesn't match other RIFs.
75 ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
76 check_fail $? "IP address addition passed for a device with a wrong MAC"
77 ip addr add dev $swp2 192.0.2.2/28 2>&1 >/dev/null \
78 | grep -q mlxsw_spectrum
79 check_err $? "no extack for IP address addition"
81 ip link set dev $swp2 addr 00:11:22:33:44:66
83 ip addr add dev $swp2 192.0.2.2/28 &>/dev/null
86 # Change of MAC address of a RIF should be forbidden if the new MAC
87 # doesn't share the prefix with other MAC addresses.
88 ip link set dev $swp2 addr 00:11:22:33:00:66 &>/dev/null
89 check_fail $? "change of MAC address passed for a wrong MAC"
90 ip link set dev $swp2 addr 00:11:22:33:00:66 2>&1 >/dev/null \
91 | grep -q mlxsw_spectrum
92 check_err $? "no extack for MAC address change"
94 log_test "RIF - bad MAC change"
96 ip addr del dev $swp2 192.0.2.2/28
97 ip addr del dev $swp1 192.0.2.1/28
99 ip link set dev $swp2 addr $swp2_mac
100 ip link set dev $swp1 addr $swp1_mac
103 rif_vrf_set_addr_test()
105 # Test that it is possible to set an IP address on a VRF upper despite
106 # its random MAC address.
109 ip link add name vrf-test type vrf table 10
110 ip link set dev $swp1 master vrf-test
112 ip -4 address add 192.0.2.1/24 dev vrf-test
113 check_err $? "failed to set IPv4 address on VRF"
114 ip -6 address add 2001:db8:1::1/64 dev vrf-test
115 check_err $? "failed to set IPv6 address on VRF"
117 log_test "RIF - setting IP address on VRF"
119 ip link del dev vrf-test
122 rif_inherit_bridge_addr_test()
127 ip addr add dev $swp1 192.0.2.1/28
131 ip link add name br1 up type bridge vlan_filtering 0
132 ip link set dev $swp2 master br1
133 ip addr add dev br1 192.0.2.17/28
136 # Prepare a device with a low MAC address
137 ip link add name d up type dummy
138 ip link set dev d addr 00:11:22:33:44:55
140 # Attach the device to br1. That prompts bridge address change, which
141 # should be vetoed, thus preventing the attachment.
142 ip link set dev d master br1 &>/dev/null
143 check_fail $? "Device with low MAC was permitted to attach a bridge with RIF"
144 ip link set dev d master br1 2>&1 >/dev/null \
145 | grep -q mlxsw_spectrum
146 check_err $? "no extack for bridge attach rejection"
148 ip link set dev $swp2 addr 00:11:22:33:44:55 &>/dev/null
149 check_fail $? "Changing swp2's MAC address permitted"
150 ip link set dev $swp2 addr 00:11:22:33:44:55 2>&1 >/dev/null \
151 | grep -q mlxsw_spectrum
152 check_err $? "no extack for bridge port MAC address change rejection"
154 log_test "RIF - attach port with bad MAC to bridge"
158 ip addr del dev $swp1 192.0.2.1/28
161 rif_non_inherit_bridge_addr_test()
163 local swp2_mac=$(mac_get $swp2)
168 ip addr add dev $swp1 192.0.2.1/28
172 ip link add name br1 up type bridge vlan_filtering 0
173 ip link set dev br1 addr $swp2_mac
174 ip link set dev $swp2 master br1
175 ip addr add dev br1 192.0.2.17/28
178 # Prepare a device with a low MAC address
179 ip link add name d up type dummy
180 ip link set dev d addr 00:11:22:33:44:55
182 # Attach the device to br1. Since the bridge address was set, it should
184 ip link set dev d master br1 &>/dev/null
185 check_err $? "Could not attach a device with low MAC to a bridge with RIF"
187 # Port MAC address change should be allowed for a bridge with set MAC.
188 ip link set dev $swp2 addr 00:11:22:33:44:55
189 check_err $? "Changing swp2's MAC address not permitted"
191 log_test "RIF - attach port with bad MAC to bridge with set MAC"
193 ip link set dev $swp2 addr $swp2_mac
196 ip addr del dev $swp1 192.0.2.1/28
199 vlan_interface_deletion_test()
201 # Test that when a VLAN interface is deleted, its associated router
202 # interface (RIF) is correctly deleted and not leaked. See commit
203 # c360867ec46a ("mlxsw: spectrum: Delete RIF when VLAN device is
204 # removed") for more details
207 ip link add name br0 type bridge vlan_filtering 1
208 ip link set dev $swp1 master br0
210 ip link add link br0 name br0.10 type vlan id 10
211 ip -6 address add 2001:db8:1::1/64 dev br0.10
212 ip link del dev br0.10
214 # If we leaked the previous RIF, then this should produce a trace
215 ip link add link br0 name br0.20 type vlan id 20
216 ip -6 address add 2001:db8:1::1/64 dev br0.20
217 ip link del dev br0.20
219 log_test "vlan interface deletion"
224 bridge_deletion_test()
226 # Test that when a bridge with VLAN interfaces is deleted, we correctly
227 # delete the associated RIFs. See commit 602b74eda813 ("mlxsw:
228 # spectrum_switchdev: Do not leak RIFs when removing bridge") for more
232 ip link add name br0 type bridge vlan_filtering 1
233 ip link set dev $swp1 master br0
234 ip -6 address add 2001:db8::1/64 dev br0
236 ip link add link br0 name br0.10 type vlan id 10
237 ip -6 address add 2001:db8:1::1/64 dev br0.10
239 ip link add link br0 name br0.20 type vlan id 20
240 ip -6 address add 2001:db8:2::1/64 dev br0.20
244 # If we leaked previous RIFs, then this should produce a trace
245 ip -6 address add 2001:db8:1::1/64 dev $swp1
246 ip -6 address del 2001:db8:1::1/64 dev $swp1
248 log_test "bridge deletion"
251 bridge_vlan_flags_test()
253 # Test that when bridge VLAN flags are toggled, we do not take
254 # unnecessary references on related structs. See commit 9e25826ffc94
255 # ("mlxsw: spectrum_switchdev: Fix port_vlan refcounting") for more
259 ip link add name br0 type bridge vlan_filtering 1
260 ip link set dev $swp1 master br0
262 bridge vlan add vid 10 dev $swp1 pvid untagged
263 bridge vlan add vid 10 dev $swp1 untagged
264 bridge vlan add vid 10 dev $swp1 pvid
265 bridge vlan add vid 10 dev $swp1
268 # If we did not handle references correctly, then this should produce a
270 devlink dev reload "$DEVLINK_DEV"
272 # Allow netdevices to be re-created following the reload
275 log_test "bridge vlan flags"
280 # Test that VLAN 1 can be configured over mlxsw ports. In the past it
281 # was used internally for untagged traffic. See commit 47bf9df2e820
282 # ("mlxsw: spectrum: Forbid creation of VLAN 1 over port/LAG") for more
286 ip link add link $swp1 name $swp1.1 type vlan id 1
287 check_err $? "did not manage to create vlan 1 when should"
291 ip link del dev $swp1.1
294 lag_bridge_upper_test()
296 # Test that ports cannot be enslaved to LAG devices that have uppers
297 # and that failure is handled gracefully. See commit b3529af6bb0d
298 # ("spectrum: Reference count VLAN entries") for more details
301 ip link add name bond1 type bond mode 802.3ad
303 ip link add name br0 type bridge vlan_filtering 1
304 ip link set dev bond1 master br0
306 ip link set dev $swp1 down
307 ip link set dev $swp1 master bond1 &> /dev/null
308 check_fail $? "managed to enslave port to lag when should not"
310 # This might generate a trace, if we did not handle the failure
312 ip -6 address add 2001:db8:1::1/64 dev $swp1
313 ip -6 address del 2001:db8:1::1/64 dev $swp1
315 log_test "lag with bridge upper"
318 ip link del dev bond1
321 duplicate_vlans_test()
323 # Test that on a given port a VLAN is only used once. Either as VLAN
324 # in a VLAN-aware bridge or as a VLAN device
327 ip link add name br0 type bridge vlan_filtering 1
328 ip link set dev $swp1 master br0
329 bridge vlan add vid 10 dev $swp1
331 ip link add link $swp1 name $swp1.10 type vlan id 10 &> /dev/null
332 check_fail $? "managed to create vlan device when should not"
334 bridge vlan del vid 10 dev $swp1
335 ip link add link $swp1 name $swp1.10 type vlan id 10
336 check_err $? "did not manage to create vlan device when should"
337 bridge vlan add vid 10 dev $swp1 &> /dev/null
338 check_fail $? "managed to add bridge vlan when should not"
340 log_test "duplicate vlans"
342 ip link del dev $swp1.10
346 vlan_rif_refcount_test()
348 # Test that RIFs representing VLAN interfaces are not affected from
349 # ports member in the VLAN. We use the offload indication on routes
350 # configured on the RIF to understand if it was created / destroyed
353 ip link add name br0 type bridge vlan_filtering 1
354 ip link set dev $swp1 master br0
356 ip link set dev $swp1 up
357 ip link set dev br0 up
359 ip link add link br0 name br0.10 up type vlan id 10
360 ip -6 address add 2001:db8:1::1/64 dev br0.10
362 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
363 check_err $? "vlan rif was not created before adding port to vlan"
365 bridge vlan add vid 10 dev $swp1
366 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
367 check_err $? "vlan rif was destroyed after adding port to vlan"
369 bridge vlan del vid 10 dev $swp1
370 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
371 check_err $? "vlan rif was destroyed after removing port from vlan"
373 ip link set dev $swp1 nomaster
374 ip -6 route get fibmatch 2001:db8:1::2 dev br0.10 | grep -q offload
375 check_fail $? "vlan rif was not destroyed after unlinking port from bridge"
377 log_test "vlan rif refcount"
379 ip link del dev br0.10
380 ip link set dev $swp1 down
384 subport_rif_refcount_test()
386 # Test that RIFs representing upper devices of physical ports are
387 # reference counted correctly and destroyed when should. We use the
388 # offload indication on routes configured on the RIF to understand if
389 # it was created / destroyed
392 ip link add name bond1 type bond mode 802.3ad
393 ip link set dev $swp1 down
394 ip link set dev $swp2 down
395 ip link set dev $swp1 master bond1
396 ip link set dev $swp2 master bond1
398 ip link set dev bond1 up
399 ip link add link bond1 name bond1.10 up type vlan id 10
400 ip -6 address add 2001:db8:1::1/64 dev bond1
401 ip -6 address add 2001:db8:2::1/64 dev bond1.10
403 ip -6 route get fibmatch 2001:db8:1::2 dev bond1 | grep -q offload
404 check_err $? "subport rif was not created on lag device"
405 ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10 | grep -q offload
406 check_err $? "subport rif was not created on vlan device"
408 ip link set dev $swp1 nomaster
409 ip -6 route get fibmatch 2001:db8:1::2 dev bond1 | grep -q offload
410 check_err $? "subport rif of lag device was destroyed when should not"
411 ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10 | grep -q offload
412 check_err $? "subport rif of vlan device was destroyed when should not"
414 ip link set dev $swp2 nomaster
415 ip -6 route get fibmatch 2001:db8:1::2 dev bond1 | grep -q offload
416 check_fail $? "subport rif of lag device was not destroyed when should"
417 ip -6 route get fibmatch 2001:db8:2::2 dev bond1.10 | grep -q offload
418 check_fail $? "subport rif of vlan device was not destroyed when should"
420 log_test "subport rif refcount"
422 ip link del dev bond1.10
423 ip link del dev bond1
426 vlan_dev_deletion_test()
428 # Test that VLAN devices are correctly deleted / unlinked when enslaved
432 ip link add name br10 type bridge
433 ip link add name br20 type bridge
434 ip link add name br30 type bridge
435 ip link add link $swp1 name $swp1.10 type vlan id 10
436 ip link add link $swp1 name $swp1.20 type vlan id 20
437 ip link add link $swp1 name $swp1.30 type vlan id 30
438 ip link set dev $swp1.10 master br10
439 ip link set dev $swp1.20 master br20
440 ip link set dev $swp1.30 master br30
442 # If we did not handle the situation correctly, then these operations
443 # might produce a trace
444 ip link set dev $swp1.30 nomaster
445 ip link del dev $swp1.20
446 # Deletion via ioctl uses different code paths from netlink
447 vconfig rem $swp1.10 &> /dev/null
449 log_test "vlan device deletion"
451 ip link del dev $swp1.30
459 ip link add name bond1 type bond mode 802.3ad
460 ip link set dev $swp1 down
461 ip link set dev $swp2 down
462 ip link set dev $swp1 master bond1
463 ip link set dev $swp2 master bond1
465 ip link add link bond1 name bond1.10 type vlan id 10
466 ip link add link bond1 name bond1.20 type vlan id 20
468 ip link add name br0 type bridge vlan_filtering 1
469 ip link set dev bond1 master br0
471 ip link add name br10 type bridge
472 ip link set dev bond1.10 master br10
474 ip link add name br20 type bridge
475 ip link set dev bond1.20 master br20
478 lag_unlink_slaves_test()
480 # Test that ports are correctly unlinked from their LAG master, when
481 # the LAG and its VLAN uppers are enslaved to bridges
486 ip link set dev $swp1 nomaster
487 check_err $? "lag slave $swp1 was not unlinked from master"
488 ip link set dev $swp2 nomaster
489 check_err $? "lag slave $swp2 was not unlinked from master"
491 # Try to configure corresponding VLANs as router interfaces
492 ip -6 address add 2001:db8:1::1/64 dev $swp1
493 check_err $? "failed to configure ip address on $swp1"
495 ip link add link $swp1 name $swp1.10 type vlan id 10
496 ip -6 address add 2001:db8:10::1/64 dev $swp1.10
497 check_err $? "failed to configure ip address on $swp1.10"
499 ip link add link $swp1 name $swp1.20 type vlan id 20
500 ip -6 address add 2001:db8:20::1/64 dev $swp1.20
501 check_err $? "failed to configure ip address on $swp1.20"
503 log_test "lag slaves unlinking"
505 ip link del dev $swp1.20
506 ip link del dev $swp1.10
507 ip address flush dev $swp1
512 ip link del dev bond1
515 lag_dev_deletion_test()
517 # Test that LAG device is correctly deleted, when the LAG and its VLAN
518 # uppers are enslaved to bridges
523 ip link del dev bond1
525 log_test "lag device deletion"
532 vlan_interface_uppers_test()
534 # Test that uppers of a VLAN interface are correctly sanitized
537 ip link add name br0 type bridge vlan_filtering 1
538 ip link set dev $swp1 master br0
540 ip link add link br0 name br0.10 type vlan id 10
541 ip link add link br0.10 name macvlan0 \
542 type macvlan mode private &> /dev/null
543 check_fail $? "managed to create a macvlan when should not"
545 ip -6 address add 2001:db8:1::1/64 dev br0.10
546 ip link add link br0.10 name macvlan0 type macvlan mode private
547 check_err $? "did not manage to create a macvlan when should"
549 ip link del dev macvlan0
551 ip link add name vrf-test type vrf table 10
552 ip link set dev br0.10 master vrf-test
553 check_err $? "did not manage to enslave vlan interface to vrf"
554 ip link del dev vrf-test
556 ip link add name br-test type bridge
557 ip link set dev br0.10 master br-test &> /dev/null
558 check_fail $? "managed to enslave vlan interface to bridge when should not"
559 ip link del dev br-test
561 log_test "vlan interface uppers"
566 bridge_extern_learn_test()
568 # Test that externally learned entries added from user space are
569 # marked as offloaded
572 ip link add name br0 type bridge
573 ip link set dev $swp1 master br0
575 bridge fdb add de:ad:be:ef:13:37 dev $swp1 master extern_learn
577 bridge fdb show brport $swp1 | grep de:ad:be:ef:13:37 | grep -q offload
578 check_err $? "fdb entry not marked as offloaded when should"
580 log_test "externally learned fdb entry"
587 # Test that IPv4 and IPv6 neighbour entries are marked as offloaded
590 ip -4 address add 192.0.2.1/24 dev $swp1
591 ip -6 address add 2001:db8:1::1/64 dev $swp1
593 ip -4 neigh add 192.0.2.2 lladdr de:ad:be:ef:13:37 nud perm dev $swp1
594 ip -6 neigh add 2001:db8:1::2 lladdr de:ad:be:ef:13:37 nud perm \
597 ip -4 neigh show dev $swp1 | grep 192.0.2.2 | grep -q offload
598 check_err $? "ipv4 neigh entry not marked as offloaded when should"
599 ip -6 neigh show dev $swp1 | grep 2001:db8:1::2 | grep -q offload
600 check_err $? "ipv6 neigh entry not marked as offloaded when should"
602 log_test "neighbour offload indication"
604 ip -6 neigh del 2001:db8:1::2 dev $swp1
605 ip -4 neigh del 192.0.2.2 dev $swp1
606 ip -6 address del 2001:db8:1::1/64 dev $swp1
607 ip -4 address del 192.0.2.1/24 dev $swp1
610 devlink_reload_test()
612 # Test that after executing all the above configuration tests, a
613 # devlink reload can be performed without errors
616 devlink dev reload "$DEVLINK_DEV"
617 check_err $? "devlink reload failed"
619 log_test "devlink reload - last test"