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/* 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__ */
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