diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c index 8b09e2f58a4d..ebada0c5af3c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/xsk/pool.c @@ -99,6 +99,15 @@ static int mlx5e_xsk_enable_locked(struct mlx5e_priv *priv, mlx5e_build_xsk_param(pool, &xsk); + if (priv->channels.params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ && + mlx5e_mpwrq_umr_mode(priv->mdev, &xsk) == MLX5E_MPWRQ_UMR_MODE_OVERSIZED) { + const char *recommendation = is_power_of_2(xsk.chunk_size) ? + "Upgrade firmware" : "Disable striding RQ"; + + mlx5_core_warn(priv->mdev, "Expected slowdown with XSK frame size %u. %s for better performance.\n", + xsk.chunk_size, recommendation); + } + if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) { /* XSK objects will be created on open. */ goto validate_closed; |