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authorDanielle Ratson <danieller@nvidia.com>2024-04-12 20:03:10 +0300
committerPaolo Abeni <pabeni@redhat.com>2024-04-16 13:14:41 +0300
commit8d612ed4b55435812fe1cfb73be1dff4a4b9ce07 (patch)
tree9535111f77a25a34d1010b30f0a43f550302c0e6 /tools/testing/selftests/drivers
parentbfc42940682b809e1f51491d8d9f82b7638fcbde (diff)
downloadlinux-8d612ed4b55435812fe1cfb73be1dff4a4b9ce07.tar.xz
selftests: mlxsw: ethtool_lanes: Wait for lanes parameter dump explicitly
The ethtool dump includes the lanes parameter only when the port is up. Therefore, the ethtool_lanes.sh test waits for ports to come before testing the lanes parameter. In some cases, the test considers the port as up, but the lanes parameter is not yet dumped although assumed to be, resulting in ethtool_lanes.sh test failure. To avoid that, ensure that the lanes parameter is indeed dumped by waiting for it explicitly, before preforming the test cases. Signed-off-by: Danielle Ratson <danieller@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'tools/testing/selftests/drivers')
-rwxr-xr-xtools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh14
1 files changed, 8 insertions, 6 deletions
diff --git a/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh b/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh
index 91891b9418d7..877cd6df94a1 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/ethtool_lanes.sh
@@ -24,8 +24,8 @@ setup_prepare()
busywait "$TIMEOUT" wait_for_port_up ethtool $swp2
check_err $? "ports did not come up"
- local lanes_exist=$(ethtool $swp1 | grep 'Lanes:')
- if [[ -z $lanes_exist ]]; then
+ busywait $TIMEOUT sh -c "ethtool $swp1 | grep -q Lanes:"
+ if [[ $? -ne 0 ]]; then
log_test "SKIP: driver does not support lanes setting"
exit 1
fi
@@ -122,8 +122,9 @@ autoneg()
ethtool_set $swp1 speed $max_speed lanes $lanes
ip link set dev $swp1 up
ip link set dev $swp2 up
- busywait "$TIMEOUT" wait_for_port_up ethtool $swp2
- check_err $? "ports did not come up"
+
+ busywait $TIMEOUT sh -c "ethtool $swp1 | grep -q Lanes:"
+ check_err $? "Lanes parameter is not presented on time"
check_lanes $swp1 $lanes $max_speed
log_test "$lanes lanes is autonegotiated"
@@ -160,8 +161,9 @@ autoneg_force_mode()
ethtool_set $swp2 speed $max_speed lanes $lanes autoneg off
ip link set dev $swp1 up
ip link set dev $swp2 up
- busywait "$TIMEOUT" wait_for_port_up ethtool $swp2
- check_err $? "ports did not come up"
+
+ busywait $TIMEOUT sh -c "ethtool $swp1 | grep -q Lanes:"
+ check_err $? "Lanes parameter is not presented on time"
check_lanes $swp1 $lanes $max_speed
log_test "Autoneg off, $lanes lanes detected during force mode"