1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/* Copyright (c) 2020 Mellanox Technologies. */
3
4#ifndef __MLX5E_DCBNL_H__
5#define __MLX5E_DCBNL_H__
6
7#ifdef CONFIG_MLX5_CORE_EN_DCB
8
9#define MLX5E_MAX_PRIORITY (8)
10
11struct mlx5e_cee_config {
12	/* bw pct for priority group */
13	u8                         pg_bw_pct[CEE_DCBX_MAX_PGS];
14	u8                         prio_to_pg_map[CEE_DCBX_MAX_PRIO];
15	bool                       pfc_setting[CEE_DCBX_MAX_PRIO];
16	bool                       pfc_enable;
17};
18
19struct mlx5e_dcbx {
20	enum mlx5_dcbx_oper_mode   mode;
21	struct mlx5e_cee_config    cee_cfg; /* pending configuration */
22	u8                         dscp_app_cnt;
23
24	/* The only setting that cannot be read from FW */
25	u8                         tc_tsa[IEEE_8021QAZ_MAX_TCS];
26	u8                         cap;
27
28	/* Buffer configuration */
29	bool                       manual_buffer;
30	u32                        cable_len;
31	u32                        xoff;
32	u16                        port_buff_cell_sz;
33};
34
35#define MLX5E_MAX_DSCP (64)
36
37struct mlx5e_dcbx_dp {
38	u8                         dscp2prio[MLX5E_MAX_DSCP];
39	u8                         trust_state;
40};
41
42void mlx5e_dcbnl_build_netdev(struct net_device *netdev);
43void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
44void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
45void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
46#else
47static inline void mlx5e_dcbnl_build_netdev(struct net_device *netdev) {}
48static inline void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv) {}
49static inline void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv) {}
50static inline void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv) {}
51#endif
52
53#endif /* __MLX5E_DCBNL_H__ */
54