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/* 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;
};
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;
};
static inline bool mlx5e_qid_get_ch_if_in_group(struct mlx5e_params *params,
u16 qid,
enum mlx5e_rq_group group,
u16 *ix)
{
int nch = params->num_channels;
int ch = qid - nch * group;
if (ch < 0 || ch >= nch)
return false;
*ix = ch;
return true;
}
static inline void mlx5e_qid_get_ch_and_group(struct mlx5e_params *params,
u16 qid,
u16 *ix,
enum mlx5e_rq_group *group)
{
u16 nch = params->num_channels;
*ix = qid % nch;
*group = qid / nch;
}
static inline bool mlx5e_qid_validate(const struct mlx5e_profile *profile,
struct mlx5e_params *params, u64 qid)
{
return qid < params->num_channels * profile->rq_groups;
}
/* 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);
bool mlx5e_striding_rq_possible(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
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);
bool mlx5e_verify_rx_mpwqe_strides(struct mlx5_core_dev *mdev,
u8 log_stride_sz, u8 log_num_strides);
u16 mlx5e_get_linear_rq_headroom(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
u32 mlx5e_rx_get_min_frag_sz(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
u8 mlx5e_mpwqe_log_pkts_per_wqe(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk);
bool mlx5e_rx_is_linear_skb(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 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__ */
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