linux-stable/drivers/net/ethernet/mellanox/mlx5/core/en/params.h

176 lines
6.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2019 Mellanox Technologies. */
#ifndef __MLX5_EN_PARAMS_H__
#define __MLX5_EN_PARAMS_H__
#include "en.h"
struct mlx5e_xsk_param {
u16 headroom;
u16 chunk_size;
bool unaligned;
};
struct mlx5e_cq_param {
u32 cqc[MLX5_ST_SZ_DW(cqc)];
struct mlx5_wq_param wq;
u16 eq_ix;
u8 cq_period_mode;
};
struct mlx5e_rq_param {
struct mlx5e_cq_param cqp;
u32 rqc[MLX5_ST_SZ_DW(rqc)];
struct mlx5_wq_param wq;
struct mlx5e_rq_frags_info frags_info;
u32 xdp_frag_size;
};
struct mlx5e_sq_param {
struct mlx5e_cq_param cqp;
u32 sqc[MLX5_ST_SZ_DW(sqc)];
struct mlx5_wq_param wq;
bool is_mpw;
bool is_tls;
bool is_xdp_mb;
u16 stop_room;
};
struct mlx5e_channel_param {
struct mlx5e_rq_param rq;
struct mlx5e_sq_param txq_sq;
struct mlx5e_sq_param xdp_sq;
struct mlx5e_sq_param icosq;
struct mlx5e_sq_param async_icosq;
};
struct mlx5e_create_sq_param {
struct mlx5_wq_ctrl *wq_ctrl;
u32 cqn;
u32 ts_cqe_to_dest_cqn;
u32 tisn;
u8 tis_lst_sz;
u8 min_inline_mode;
};
/* Striding RQ dynamic parameters */
u8 mlx5e_mpwrq_page_shift(struct mlx5_core_dev *mdev, struct mlx5e_xsk_param *xsk);
enum mlx5e_mpwrq_umr_mode
mlx5e_mpwrq_umr_mode(struct mlx5_core_dev *mdev, struct mlx5e_xsk_param *xsk);
u8 mlx5e_mpwrq_umr_entry_size(enum mlx5e_mpwrq_umr_mode mode);
u8 mlx5e_mpwrq_log_wqe_sz(struct mlx5_core_dev *mdev, u8 page_shift,
enum mlx5e_mpwrq_umr_mode umr_mode);
u8 mlx5e_mpwrq_pages_per_wqe(struct mlx5_core_dev *mdev, u8 page_shift,
enum mlx5e_mpwrq_umr_mode umr_mode);
u16 mlx5e_mpwrq_umr_wqe_sz(struct mlx5_core_dev *mdev, u8 page_shift,
enum mlx5e_mpwrq_umr_mode umr_mode);
u8 mlx5e_mpwrq_umr_wqebbs(struct mlx5_core_dev *mdev, u8 page_shift,
enum mlx5e_mpwrq_umr_mode umr_mode);
u8 mlx5e_mpwrq_mtts_per_wqe(struct mlx5_core_dev *mdev, u8 page_shift,
enum mlx5e_mpwrq_umr_mode umr_mode);
u32 mlx5e_mpwrq_max_num_entries(struct mlx5_core_dev *mdev,
enum mlx5e_mpwrq_umr_mode umr_mode);
u8 mlx5e_mpwrq_max_log_rq_pkts(struct mlx5_core_dev *mdev, u8 page_shift,
enum mlx5e_mpwrq_umr_mode umr_mode);
/* Parameter calculations */
void mlx5e_reset_tx_moderation(struct mlx5e_params *params, u8 cq_period_mode);
void mlx5e_reset_rx_moderation(struct mlx5e_params *params, u8 cq_period_mode);
void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode);
void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode);
bool slow_pci_heuristic(struct mlx5_core_dev *mdev);
int mlx5e_mpwrq_validate_regular(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
int mlx5e_mpwrq_validate_xsk(struct mlx5_core_dev *mdev, struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
void mlx5e_build_rq_params(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
void mlx5e_set_rq_type(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
u16 mlx5e_get_linear_rq_headroom(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
bool mlx5e_rx_is_linear_skb(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
bool mlx5e_rx_mpwqe_is_linear_skb(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
u8 mlx5e_mpwqe_get_log_rq_size(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
u8 mlx5e_shampo_get_log_hd_entry_size(struct mlx5_core_dev *mdev,
struct mlx5e_params *params);
u8 mlx5e_shampo_get_log_rsrv_size(struct mlx5_core_dev *mdev,
struct mlx5e_params *params);
u8 mlx5e_shampo_get_log_pkt_per_rsrv(struct mlx5_core_dev *mdev,
struct mlx5e_params *params);
u32 mlx5e_shampo_hd_per_wqe(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_rq_param *rq_param);
u32 mlx5e_shampo_hd_per_wq(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_rq_param *rq_param);
u8 mlx5e_mpwqe_get_log_stride_size(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
u8 mlx5e_mpwqe_get_log_num_strides(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
u8 mlx5e_mpwqe_get_min_wqe_bulk(unsigned int wq_sz);
u16 mlx5e_get_rq_headroom(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
/* Build queue parameters */
void mlx5e_build_create_cq_param(struct mlx5e_create_cq_param *ccp, struct mlx5e_channel *c);
int mlx5e_build_rq_param(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk,
u16 q_counter,
struct mlx5e_rq_param *param);
void mlx5e_build_drop_rq_param(struct mlx5_core_dev *mdev,
u16 q_counter,
struct mlx5e_rq_param *param);
void mlx5e_build_sq_param_common(struct mlx5_core_dev *mdev,
struct mlx5e_sq_param *param);
void mlx5e_build_sq_param(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_sq_param *param);
void mlx5e_build_tx_cq_param(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_cq_param *param);
void mlx5e_build_xdpsq_param(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk,
struct mlx5e_sq_param *param);
int mlx5e_build_channel_param(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
u16 q_counter,
struct mlx5e_channel_param *cparam);
u16 mlx5e_calc_sq_stop_room(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
int mlx5e_validate_params(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
bool mlx5e_verify_params_rx_mpwqe_strides(struct mlx5_core_dev *mdev,
struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
static inline void mlx5e_params_print_info(struct mlx5_core_dev *mdev,
struct mlx5e_params *params)
{
mlx5_core_info(mdev, "MLX5E: StrdRq(%d) RqSz(%ld) StrdSz(%ld) RxCqeCmprss(%d %s)\n",
params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ,
params->rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ ?
BIT(mlx5e_mpwqe_get_log_rq_size(mdev, params, NULL)) :
BIT(params->log_rq_mtu_frames),
BIT(mlx5e_mpwqe_get_log_stride_size(mdev, params, NULL)),
MLX5E_GET_PFLAG(params, MLX5E_PFLAG_RX_CQE_COMPRESS),
MLX5_CAP_GEN(mdev, enhanced_cqe_compression) ?
"enhanced" : "basic");
};
#endif /* __MLX5_EN_PARAMS_H__ */