net/mlx5e: Enable local loopback in loopback selftest
Before running the ethtool's loopback selftest, we need
to make sure that the local loopback is enabled.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Reviewed-by: Daniel Jurgens <danielj@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
index 898759f..1f1f8af 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
@@ -189,6 +189,7 @@
struct packet_type pt;
struct completion comp;
bool loopback_ok;
+ bool local_lb;
};
static int
@@ -236,6 +237,13 @@
{
int err = 0;
+ /* Temporarily enable local_lb */
+ if (MLX5_CAP_GEN(priv->mdev, disable_local_lb)) {
+ mlx5_nic_vport_query_local_lb(priv->mdev, &lbtp->local_lb);
+ if (!lbtp->local_lb)
+ mlx5_nic_vport_update_local_lb(priv->mdev, true);
+ }
+
err = mlx5e_refresh_tirs(priv, true);
if (err)
return err;
@@ -254,6 +262,11 @@
static void mlx5e_test_loopback_cleanup(struct mlx5e_priv *priv,
struct mlx5e_lbt_priv *lbtp)
{
+ if (MLX5_CAP_GEN(priv->mdev, disable_local_lb)) {
+ if (!lbtp->local_lb)
+ mlx5_nic_vport_update_local_lb(priv->mdev, false);
+ }
+
dev_remove_pack(&lbtp->pt);
mlx5e_refresh_tirs(priv, false);
}