Commit f060ccc2 authored by Maxim Mikityanskiy's avatar Maxim Mikityanskiy Committed by Jakub Kicinski

net/mlx5e: Convert mlx5e_get_max_sq_wqebbs to u8

The return value of mlx5e_get_max_sq_wqebbs is clamped down to
MLX5_SEND_WQE_MAX_WQEBBS = 16, which fits into u8. This commit changes
the return type of this function to u8 for stricter type safety.
Signed-off-by: default avatarMaxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: default avatarTariq Toukan <tariqt@nvidia.com>
Reviewed-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 40b72108
......@@ -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)
......
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