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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>
This commit is contained in:
Huy Nguyen 2017-05-30 09:42:55 +03:00 committed by Doug Ledford
parent c85023e153
commit 2c43c5a036
1 changed files with 13 additions and 0 deletions
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13
drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c
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@ -189,6 +189,7 @@ struct mlx5e_lbt_priv {
struct packet_type pt;
struct completion comp;
bool loopback_ok;
bool local_lb;
};
static int
@ -236,6 +237,13 @@ static int mlx5e_test_loopback_setup(struct mlx5e_priv *priv,
{
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 int mlx5e_test_loopback_setup(struct mlx5e_priv *priv,
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);
}