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selftests: mlxsw: Add resilient nexthop groups configuration tests

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Test that unsupported resilient nexthop group configurations are
rejected and that offload / trap indication is correctly set on nexthop
buckets in a resilient group.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel 2021-03-24 22:14:24 +02:00 committed by David S. Miller
parent 861584724c
commit ffd3e9b07b
2 changed files with 87 additions and 0 deletions
tools/testing/selftests
drivers/net/mlxsw
rtnetlink.sh
net/forwarding
lib.sh

82
tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh

@ -33,6 +33,7 @@ ALL_TESTS="
nexthop_obj_invalid_test
nexthop_obj_offload_test
nexthop_obj_group_offload_test
nexthop_obj_bucket_offload_test
nexthop_obj_blackhole_offload_test
nexthop_obj_route_offload_test
devlink_reload_test
@ -739,11 +740,28 @@ nexthop_obj_invalid_test()
ip nexthop add id 1 dev $swp1
ip nexthop add id 2 dev $swp1
ip nexthop add id 3 via 192.0.2.3 dev $swp1
ip nexthop add id 10 group 1/2
check_fail $? "managed to configure a nexthop group with device-only nexthops when should not"
ip nexthop add id 10 group 3 type resilient buckets 7
check_fail $? "managed to configure a too small resilient nexthop group when should not"
ip nexthop add id 10 group 3 type resilient buckets 129
check_fail $? "managed to configure a resilient nexthop group with invalid number of buckets when should not"
ip nexthop add id 10 group 1/2 type resilient buckets 32
check_fail $? "managed to configure a resilient nexthop group with device-only nexthops when should not"
ip nexthop add id 10 group 3 type resilient buckets 32
check_err $? "failed to configure a valid resilient nexthop group"
ip nexthop replace id 3 dev $swp1
check_fail $? "managed to populate a nexthop bucket with a device-only nexthop when should not"
log_test "nexthop objects - invalid configurations"
ip nexthop del id 10
ip nexthop del id 3
ip nexthop del id 2
ip nexthop del id 1
@ -858,6 +876,70 @@ nexthop_obj_group_offload_test()
simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
}
nexthop_obj_bucket_offload_test()
{
# Test offload indication of nexthop buckets
RET=0
simple_if_init $swp1 192.0.2.1/24 2001:db8:1::1/64
simple_if_init $swp2
setup_wait
ip nexthop add id 1 via 192.0.2.2 dev $swp1
ip nexthop add id 2 via 2001:db8:1::2 dev $swp1
ip nexthop add id 10 group 1/2 type resilient buckets 32 idle_timer 0
ip neigh replace 192.0.2.2 lladdr 00:11:22:33:44:55 nud reachable \
dev $swp1
ip neigh replace 192.0.2.3 lladdr 00:11:22:33:44:55 nud reachable \
dev $swp1
ip neigh replace 2001:db8:1::2 lladdr 00:11:22:33:44:55 nud reachable \
dev $swp1
busywait "$TIMEOUT" wait_for_offload \
ip nexthop bucket show nhid 1
check_err $? "IPv4 nexthop buckets not marked as offloaded when should"
busywait "$TIMEOUT" wait_for_offload \
ip nexthop bucket show nhid 2
check_err $? "IPv6 nexthop buckets not marked as offloaded when should"
# Invalidate nexthop id 1
ip neigh replace 192.0.2.2 nud failed dev $swp1
busywait "$TIMEOUT" wait_for_trap \
ip nexthop bucket show nhid 1
check_err $? "IPv4 nexthop buckets not marked with trap when should"
# Invalidate nexthop id 2
ip neigh replace 2001:db8:1::2 nud failed dev $swp1
busywait "$TIMEOUT" wait_for_trap \
ip nexthop bucket show nhid 2
check_err $? "IPv6 nexthop buckets not marked with trap when should"
# Revalidate nexthop id 1 by changing its configuration
ip nexthop replace id 1 via 192.0.2.3 dev $swp1
busywait "$TIMEOUT" wait_for_offload \
ip nexthop bucket show nhid 1
check_err $? "nexthop bucket not marked as offloaded after revalidating nexthop"
# Revalidate nexthop id 2 by changing its neighbour
ip neigh replace 2001:db8:1::2 lladdr 00:11:22:33:44:55 nud reachable \
dev $swp1
busywait "$TIMEOUT" wait_for_offload \
ip nexthop bucket show nhid 2
check_err $? "nexthop bucket not marked as offloaded after revalidating neighbour"
log_test "nexthop bucket offload indication"
ip neigh del 2001:db8:1::2 dev $swp1
ip neigh del 192.0.2.3 dev $swp1
ip neigh del 192.0.2.2 dev $swp1
ip nexthop del id 10
ip nexthop del id 2
ip nexthop del id 1
simple_if_fini $swp2
simple_if_fini $swp1 192.0.2.1/24 2001:db8:1::1/64
}
nexthop_obj_blackhole_offload_test()
{
# Test offload indication of blackhole nexthop objects

5
tools/testing/selftests/net/forwarding/lib.sh

@ -353,6 +353,11 @@ wait_for_offload()
"$@" | grep -q offload
}
wait_for_trap()
{
"$@" | grep -q trap
}
until_counter_is()
{
local expr=$1; shift