drivers/net/ethernet/mellanox/mlx5/core/lib/port_tun.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /* Copyright (c) 2019 Mellanox Technologies. */
   3
   4 #ifndef __MLX5_PORT_TUN_H__
   5 #define __MLX5_PORT_TUN_H__
   6
   7 #include <linux/mlx5/driver.h>
   8
   9 struct mlx5_tun_entropy {
  10         struct mlx5_core_dev *mdev;
  11         u32 num_enabling_entries;
  12         u32 num_disabling_entries;
  13         u8  enabled;
  14         struct mutex lock;      /* lock the entropy fields */
  15 };
  16
  17 void mlx5_init_port_tun_entropy(struct mlx5_tun_entropy *tun_entropy,
  18                                 struct mlx5_core_dev *mdev);
  19 int mlx5_tun_entropy_refcount_inc(struct mlx5_tun_entropy *tun_entropy,
  20                                   int reformat_type);
  21 void mlx5_tun_entropy_refcount_dec(struct mlx5_tun_entropy *tun_entropy,
  22                                    int reformat_type);
  23
  24 #endif /* __MLX5_PORT_TUN_H__ */