selftests: mlxsw: Add blackhole nexthop configuration tests

Test the mlxsw allows blackhole nexthops to be installed and that the
nexthops are marked as offloaded.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
index 5de47d7..a2eff5f 100755 (executable)
--- a/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
@@ -32,6 +32,7 @@ ALL_TESTS="
        nexthop_obj_invalid_test
        nexthop_obj_offload_test
        nexthop_obj_group_offload_test
+       nexthop_obj_blackhole_offload_test
        nexthop_obj_route_offload_test
        devlink_reload_test
 "
@@ -693,9 +694,6 @@ nexthop_obj_invalid_test()
        ip nexthop add id 1 encap mpls 200/300 via 192.0.2.3 dev $swp1
        check_fail $? "managed to configure a nexthop with MPLS encap when should not"
 
-       ip nexthop add id 1 blackhole
-       check_fail $? "managed to configure a blackhole nexthop when should not"
-
        ip nexthop add id 1 dev $swp1
        ip nexthop add id 2 dev $swp1
        ip nexthop add id 10 group 1/2
@@ -817,6 +815,27 @@ nexthop_obj_group_offload_test()
        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
+       RET=0
+
+       ip nexthop add id 1 blackhole
+       busywait "$TIMEOUT" wait_for_offload \
+               ip nexthop show id 1
+       check_err $? "Blackhole nexthop not marked as offloaded when should"
+
+       ip nexthop add id 10 group 1
+       busywait "$TIMEOUT" wait_for_offload \
+               ip nexthop show id 10
+       check_err $? "Nexthop group not marked as offloaded when should"
+
+       log_test "blackhole nexthop objects offload indication"
+
+       ip nexthop del id 10
+       ip nexthop del id 1
+}
+
 nexthop_obj_route_offload_test()
 {
        # Test offload indication of routes using nexthop objects