diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index 648a178e8db8..05126c6ae13d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -227,10 +227,12 @@ static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev) * bytes units. Driver hardens the limitation to 1KB (16 * WQEBBs), unless firmware capability is stricter. */ -static inline u16 mlx5e_get_max_sq_wqebbs(struct mlx5_core_dev *mdev) +static inline u8 mlx5e_get_max_sq_wqebbs(struct mlx5_core_dev *mdev) { - return min_t(u16, MLX5_SEND_WQE_MAX_WQEBBS, - MLX5_CAP_GEN(mdev, max_wqe_sz_sq) / MLX5_SEND_WQE_BB); + BUILD_BUG_ON(MLX5_SEND_WQE_MAX_WQEBBS > U8_MAX); + + return (u8)min_t(u16, MLX5_SEND_WQE_MAX_WQEBBS, + MLX5_CAP_GEN(mdev, max_wqe_sz_sq) / MLX5_SEND_WQE_BB); } static inline u8 mlx5e_get_sw_max_sq_mpw_wqebbs(u8 max_sq_wqebbs) |