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_TIR_H__
5 #define __MLX5_EN_TIR_H__
6 
7 #include <linux/kernel.h>
8 
9 struct mlx5e_rss_params_hash {
10 	u8 hfunc;
11 	u8 toeplitz_hash_key[40];
12 	bool symmetric;
13 };
14 
15 struct mlx5e_rss_params_traffic_type {
16 	u8 l3_prot_type;
17 	u8 l4_prot_type;
18 	u32 rx_hash_fields;
19 };
20 
21 struct mlx5e_tir_builder;
22 struct mlx5e_packet_merge_param;
23 
24 struct mlx5e_tir_builder *mlx5e_tir_builder_alloc(bool modify);
25 void mlx5e_tir_builder_free(struct mlx5e_tir_builder *builder);
26 void mlx5e_tir_builder_clear(struct mlx5e_tir_builder *builder);
27 
28 void mlx5e_tir_builder_build_inline(struct mlx5e_tir_builder *builder, u32 tdn, u32 rqn);
29 void mlx5e_tir_builder_build_rqt(struct mlx5e_tir_builder *builder, u32 tdn,
30 				 u32 rqtn, bool inner_ft_support);
31 void mlx5e_tir_builder_build_packet_merge(struct mlx5e_tir_builder *builder,
32 					  const struct mlx5e_packet_merge_param *pkt_merge_param);
33 void mlx5e_tir_builder_build_rss(struct mlx5e_tir_builder *builder,
34 				 const struct mlx5e_rss_params_hash *rss_hash,
35 				 const struct mlx5e_rss_params_traffic_type *rss_tt,
36 				 bool inner);
37 void mlx5e_tir_builder_build_direct(struct mlx5e_tir_builder *builder);
38 void mlx5e_tir_builder_build_tls(struct mlx5e_tir_builder *builder);
39 
40 struct mlx5_core_dev;
41 
42 struct mlx5e_tir {
43 	struct mlx5_core_dev *mdev;
44 	u32 tirn;
45 	struct list_head list;
46 };
47 
48 int mlx5e_tir_init(struct mlx5e_tir *tir, struct mlx5e_tir_builder *builder,
49 		   struct mlx5_core_dev *mdev, bool reg);
50 void mlx5e_tir_destroy(struct mlx5e_tir *tir);
51 
mlx5e_tir_get_tirn(struct mlx5e_tir * tir)52 static inline u32 mlx5e_tir_get_tirn(struct mlx5e_tir *tir)
53 {
54 	return tir->tirn;
55 }
56 
57 int mlx5e_tir_modify(struct mlx5e_tir *tir, struct mlx5e_tir_builder *builder);
58 
59 #endif /* __MLX5_EN_TIR_H__ */
60