dcbnl.h

 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	u32                        cable_len;
30	u32                        xoff;
31	u16                        port_buff_cell_sz;
32};
33
34#define MLX5E_MAX_DSCP (64)
35
36struct mlx5e_dcbx_dp {
37	u8                         dscp2prio[MLX5E_MAX_DSCP];
38	u8                         trust_state;
39};
40
41void mlx5e_dcbnl_build_netdev(struct net_device *netdev);
42void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
43void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
44void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
45#else
46static inline void mlx5e_dcbnl_build_netdev(struct net_device *netdev) {}
47static inline void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv) {}
48static inline void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv) {}
49static inline void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv) {}
50#endif
51
52#endif /* __MLX5E_DCBNL_H__ */