| /* 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); |
| |
| 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__ */ |