diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/params.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/params.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.h b/drivers/net/ethernet/mellanox/mlx5/core/en/params.h new file mode 100644 index 000000000..034debd14 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.h @@ -0,0 +1,157 @@ +/* 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; +}; + +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); + +#endif /* __MLX5_EN_PARAMS_H__ */ |