diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/dim.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/dim.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/dim.h b/drivers/net/ethernet/mellanox/mlx5/core/en/dim.h new file mode 100644 index 000000000000..110e2c6b7e51 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/dim.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved */ + +#ifndef __MLX5_EN_DIM_H__ +#define __MLX5_EN_DIM_H__ + +#include <linux/dim.h> +#include <linux/types.h> +#include <linux/mlx5/mlx5_ifc.h> + +/* Forward declarations */ +struct mlx5e_rq; +struct mlx5e_txqsq; +struct work_struct; + +/* convert a boolean value for cqe mode to appropriate dim constant + * true : DIM_CQ_PERIOD_MODE_START_FROM_CQE + * false : DIM_CQ_PERIOD_MODE_START_FROM_EQE + */ +static inline int mlx5e_dim_cq_period_mode(bool start_from_cqe) +{ + return start_from_cqe ? DIM_CQ_PERIOD_MODE_START_FROM_CQE : + DIM_CQ_PERIOD_MODE_START_FROM_EQE; +} + +static inline enum mlx5_cq_period_mode +mlx5e_cq_period_mode(enum dim_cq_period_mode cq_period_mode) +{ + switch (cq_period_mode) { + case DIM_CQ_PERIOD_MODE_START_FROM_EQE: + return MLX5_CQ_PERIOD_MODE_START_FROM_EQE; + case DIM_CQ_PERIOD_MODE_START_FROM_CQE: + return MLX5_CQ_PERIOD_MODE_START_FROM_CQE; + default: + WARN_ON_ONCE(true); + return MLX5_CQ_PERIOD_MODE_START_FROM_EQE; + } +} + +void mlx5e_rx_dim_work(struct work_struct *work); +void mlx5e_tx_dim_work(struct work_struct *work); +int mlx5e_dim_rx_change(struct mlx5e_rq *rq, bool enabled); +int mlx5e_dim_tx_change(struct mlx5e_txqsq *sq, bool enabled); + +#endif /* __MLX5_EN_DIM_H__ */ |