1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. */ 3 4 #ifndef __MLX5_EN_RX_RES_H__ 5 #define __MLX5_EN_RX_RES_H__ 6 7 #include <linux/kernel.h> 8 #include "rqt.h" 9 #include "tir.h" 10 #include "fs.h" 11 #include "rss.h" 12 13 struct mlx5e_rx_res; 14 15 struct mlx5e_channels; 16 struct mlx5e_rss_params_hash; 17 18 enum mlx5e_rx_res_features { 19 MLX5E_RX_RES_FEATURE_INNER_FT = BIT(0), 20 MLX5E_RX_RES_FEATURE_XSK = BIT(1), 21 MLX5E_RX_RES_FEATURE_PTP = BIT(2), 22 }; 23 24 /* Setup */ 25 struct mlx5e_rx_res *mlx5e_rx_res_alloc(void); 26 int mlx5e_rx_res_init(struct mlx5e_rx_res *res, struct mlx5_core_dev *mdev, 27 enum mlx5e_rx_res_features features, unsigned int max_nch, 28 u32 drop_rqn, const struct mlx5e_packet_merge_param *init_pkt_merge_param, 29 unsigned int init_nch); 30 void mlx5e_rx_res_destroy(struct mlx5e_rx_res *res); 31 void mlx5e_rx_res_free(struct mlx5e_rx_res *res); 32 33 /* TIRN getters for flow steering */ 34 u32 mlx5e_rx_res_get_tirn_direct(struct mlx5e_rx_res *res, unsigned int ix); 35 u32 mlx5e_rx_res_get_tirn_xsk(struct mlx5e_rx_res *res, unsigned int ix); 36 u32 mlx5e_rx_res_get_tirn_rss(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt); 37 u32 mlx5e_rx_res_get_tirn_rss_inner(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt); 38 u32 mlx5e_rx_res_get_tirn_ptp(struct mlx5e_rx_res *res); 39 40 /* RQTN getters for modules that create their own TIRs */ 41 u32 mlx5e_rx_res_get_rqtn_direct(struct mlx5e_rx_res *res, unsigned int ix); 42 43 /* Activate/deactivate API */ 44 void mlx5e_rx_res_channels_activate(struct mlx5e_rx_res *res, struct mlx5e_channels *chs); 45 void mlx5e_rx_res_channels_deactivate(struct mlx5e_rx_res *res); 46 int mlx5e_rx_res_xsk_activate(struct mlx5e_rx_res *res, struct mlx5e_channels *chs, 47 unsigned int ix); 48 int mlx5e_rx_res_xsk_deactivate(struct mlx5e_rx_res *res, unsigned int ix); 49 50 /* Configuration API */ 51 void mlx5e_rx_res_rss_set_indir_uniform(struct mlx5e_rx_res *res, unsigned int nch); 52 int mlx5e_rx_res_rss_get_rxfh(struct mlx5e_rx_res *res, u32 rss_idx, 53 u32 *indir, u8 *key, u8 *hfunc); 54 int mlx5e_rx_res_rss_set_rxfh(struct mlx5e_rx_res *res, u32 rss_idx, 55 const u32 *indir, const u8 *key, const u8 *hfunc); 56 57 u8 mlx5e_rx_res_rss_get_hash_fields(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt); 58 int mlx5e_rx_res_rss_set_hash_fields(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt, 59 u8 rx_hash_fields); 60 int mlx5e_rx_res_packet_merge_set_param(struct mlx5e_rx_res *res, 61 struct mlx5e_packet_merge_param *pkt_merge_param); 62 63 int mlx5e_rx_res_rss_init(struct mlx5e_rx_res *res, u32 *rss_idx, unsigned int init_nch); 64 int mlx5e_rx_res_rss_destroy(struct mlx5e_rx_res *res, u32 rss_idx); 65 int mlx5e_rx_res_rss_cnt(struct mlx5e_rx_res *res); 66 int mlx5e_rx_res_rss_index(struct mlx5e_rx_res *res, struct mlx5e_rss *rss); 67 struct mlx5e_rss *mlx5e_rx_res_rss_get(struct mlx5e_rx_res *res, u32 rss_idx); 68 69 /* Workaround for hairpin */ 70 struct mlx5e_rss_params_hash mlx5e_rx_res_get_current_hash(struct mlx5e_rx_res *res); 71 72 #endif /* __MLX5_EN_RX_RES_H__ */ 73