1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2019 Mellanox Technologies. */
3
4 #ifndef __MLX5_EN_PARAMS_H__
5 #define __MLX5_EN_PARAMS_H__
6
7 #include "en.h"
8
9 struct mlx5e_xsk_param {
10 u16 headroom;
11 u16 chunk_size;
12 };
13
14 struct mlx5e_rq_param {
15 u32 rqc[MLX5_ST_SZ_DW(rqc)];
16 struct mlx5_wq_param wq;
17 struct mlx5e_rq_frags_info frags_info;
18 };
19
20 struct mlx5e_sq_param {
21 u32 sqc[MLX5_ST_SZ_DW(sqc)];
22 struct mlx5_wq_param wq;
23 bool is_mpw;
24 };
25
26 struct mlx5e_cq_param {
27 u32 cqc[MLX5_ST_SZ_DW(cqc)];
28 struct mlx5_wq_param wq;
29 u16 eq_ix;
30 u8 cq_period_mode;
31 };
32
33 struct mlx5e_channel_param {
34 struct mlx5e_rq_param rq;
35 struct mlx5e_sq_param sq;
36 struct mlx5e_sq_param xdp_sq;
37 struct mlx5e_sq_param icosq;
38 struct mlx5e_cq_param rx_cq;
39 struct mlx5e_cq_param tx_cq;
40 struct mlx5e_cq_param icosq_cq;
41 };
42
mlx5e_qid_get_ch_if_in_group(struct mlx5e_params * params,u16 qid,enum mlx5e_rq_group group,u16 * ix)43 static inline bool mlx5e_qid_get_ch_if_in_group(struct mlx5e_params *params,
44 u16 qid,
45 enum mlx5e_rq_group group,
46 u16 *ix)
47 {
48 int nch = params->num_channels;
49 int ch = qid - nch * group;
50
51 if (ch < 0 || ch >= nch)
52 return false;
53
54 *ix = ch;
55 return true;
56 }
57
mlx5e_qid_get_ch_and_group(struct mlx5e_params * params,u16 qid,u16 * ix,enum mlx5e_rq_group * group)58 static inline void mlx5e_qid_get_ch_and_group(struct mlx5e_params *params,
59 u16 qid,
60 u16 *ix,
61 enum mlx5e_rq_group *group)
62 {
63 u16 nch = params->num_channels;
64
65 *ix = qid % nch;
66 *group = qid / nch;
67 }
68
mlx5e_qid_validate(const struct mlx5e_profile * profile,struct mlx5e_params * params,u64 qid)69 static inline bool mlx5e_qid_validate(const struct mlx5e_profile *profile,
70 struct mlx5e_params *params, u64 qid)
71 {
72 return qid < params->num_channels * profile->rq_groups;
73 }
74
75 /* Parameter calculations */
76
77 u16 mlx5e_get_linear_rq_headroom(struct mlx5e_params *params,
78 struct mlx5e_xsk_param *xsk);
79 u32 mlx5e_rx_get_min_frag_sz(struct mlx5e_params *params,
80 struct mlx5e_xsk_param *xsk);
81 u32 mlx5e_rx_get_linear_frag_sz(struct mlx5e_params *params,
82 struct mlx5e_xsk_param *xsk);
83 u8 mlx5e_mpwqe_log_pkts_per_wqe(struct mlx5e_params *params,
84 struct mlx5e_xsk_param *xsk);
85 bool mlx5e_rx_is_linear_skb(struct mlx5e_params *params,
86 struct mlx5e_xsk_param *xsk);
87 bool mlx5e_rx_mpwqe_is_linear_skb(struct mlx5_core_dev *mdev,
88 struct mlx5e_params *params,
89 struct mlx5e_xsk_param *xsk);
90 u8 mlx5e_mpwqe_get_log_rq_size(struct mlx5e_params *params,
91 struct mlx5e_xsk_param *xsk);
92 u8 mlx5e_mpwqe_get_log_stride_size(struct mlx5_core_dev *mdev,
93 struct mlx5e_params *params,
94 struct mlx5e_xsk_param *xsk);
95 u8 mlx5e_mpwqe_get_log_num_strides(struct mlx5_core_dev *mdev,
96 struct mlx5e_params *params,
97 struct mlx5e_xsk_param *xsk);
98 u16 mlx5e_get_rq_headroom(struct mlx5_core_dev *mdev,
99 struct mlx5e_params *params,
100 struct mlx5e_xsk_param *xsk);
101
102 /* Build queue parameters */
103
104 void mlx5e_build_rq_param(struct mlx5e_priv *priv,
105 struct mlx5e_params *params,
106 struct mlx5e_xsk_param *xsk,
107 struct mlx5e_rq_param *param);
108 void mlx5e_build_sq_param_common(struct mlx5e_priv *priv,
109 struct mlx5e_sq_param *param);
110 void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv,
111 struct mlx5e_params *params,
112 struct mlx5e_xsk_param *xsk,
113 struct mlx5e_cq_param *param);
114 void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv,
115 struct mlx5e_params *params,
116 struct mlx5e_cq_param *param);
117 void mlx5e_build_ico_cq_param(struct mlx5e_priv *priv,
118 u8 log_wq_size,
119 struct mlx5e_cq_param *param);
120 void mlx5e_build_icosq_param(struct mlx5e_priv *priv,
121 u8 log_wq_size,
122 struct mlx5e_sq_param *param);
123 void mlx5e_build_xdpsq_param(struct mlx5e_priv *priv,
124 struct mlx5e_params *params,
125 struct mlx5e_sq_param *param);
126
127 #endif /* __MLX5_EN_PARAMS_H__ */
128
