core/en/tir.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
0002 /* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved. */
0003
0004 #ifndef __MLX5_EN_TIR_H__
0005 #define __MLX5_EN_TIR_H__
0006
0007 #include <linux/kernel.h>
0008
0009 struct mlx5e_rss_params_hash {
0010     u8 hfunc;
0011     u8 toeplitz_hash_key[40];
0012 };
0013
0014 struct mlx5e_rss_params_traffic_type {
0015     u8 l3_prot_type;
0016     u8 l4_prot_type;
0017     u32 rx_hash_fields;
0018 };
0019
0020 struct mlx5e_tir_builder;
0021 struct mlx5e_packet_merge_param;
0022
0023 struct mlx5e_tir_builder *mlx5e_tir_builder_alloc(bool modify);
0024 void mlx5e_tir_builder_free(struct mlx5e_tir_builder *builder);
0025 void mlx5e_tir_builder_clear(struct mlx5e_tir_builder *builder);
0026
0027 void mlx5e_tir_builder_build_inline(struct mlx5e_tir_builder *builder, u32 tdn, u32 rqn);
0028 void mlx5e_tir_builder_build_rqt(struct mlx5e_tir_builder *builder, u32 tdn,
0029                  u32 rqtn, bool inner_ft_support);
0030 void mlx5e_tir_builder_build_packet_merge(struct mlx5e_tir_builder *builder,
0031                       const struct mlx5e_packet_merge_param *pkt_merge_param);
0032 void mlx5e_tir_builder_build_rss(struct mlx5e_tir_builder *builder,
0033                  const struct mlx5e_rss_params_hash *rss_hash,
0034                  const struct mlx5e_rss_params_traffic_type *rss_tt,
0035                  bool inner);
0036 void mlx5e_tir_builder_build_direct(struct mlx5e_tir_builder *builder);
0037 void mlx5e_tir_builder_build_tls(struct mlx5e_tir_builder *builder);
0038
0039 struct mlx5_core_dev;
0040
0041 struct mlx5e_tir {
0042     struct mlx5_core_dev *mdev;
0043     u32 tirn;
0044     struct list_head list;
0045 };
0046
0047 int mlx5e_tir_init(struct mlx5e_tir *tir, struct mlx5e_tir_builder *builder,
0048            struct mlx5_core_dev *mdev, bool reg);
0049 void mlx5e_tir_destroy(struct mlx5e_tir *tir);
0050
0051 static inline u32 mlx5e_tir_get_tirn(struct mlx5e_tir *tir)
0052 {
0053     return tir->tirn;
0054 }
0055
0056 int mlx5e_tir_modify(struct mlx5e_tir *tir, struct mlx5e_tir_builder *builder);
0057
0058 #endif /* __MLX5_EN_TIR_H__ */