drivers/net/ethernet/mellanox/mlx5/core/en/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
  11 struct 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
  19 struct 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
  37 struct mlx5e_dcbx_dp {
  38         u8                         dscp2prio[MLX5E_MAX_DSCP];
  39         u8                         trust_state;
  40 };
  41
  42 void mlx5e_dcbnl_build_netdev(struct net_device *netdev);
  43 void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
  44 void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
  45 void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
  46 #else
  47 static inline void mlx5e_dcbnl_build_netdev(struct net_device *netdev) {}
  48 static inline void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv) {}
  49 static inline void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv) {}
  50 static inline void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv) {}
  51 #endif
  52
  53 #endif /* __MLX5E_DCBNL_H__ */