core/lag/mp.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
0002 /* Copyright (c) 2019 Mellanox Technologies. */
0003
0004 #ifndef __MLX5_LAG_MP_H__
0005 #define __MLX5_LAG_MP_H__
0006
0007 #include "lag.h"
0008 #include "mlx5_core.h"
0009
0010 enum mlx5_lag_port_affinity {
0011     MLX5_LAG_NORMAL_AFFINITY,
0012     MLX5_LAG_P1_AFFINITY,
0013     MLX5_LAG_P2_AFFINITY,
0014 };
0015
0016 struct lag_mp {
0017     struct notifier_block     fib_nb;
0018     struct {
0019         const void        *mfi; /* used in tracking fib events */
0020         u32               priority;
0021         u32               dst;
0022         int               dst_len;
0023     } fib;
0024     struct workqueue_struct   *wq;
0025 };
0026
0027 #ifdef CONFIG_MLX5_ESWITCH
0028
0029 void mlx5_lag_mp_reset(struct mlx5_lag *ldev);
0030 int mlx5_lag_mp_init(struct mlx5_lag *ldev);
0031 void mlx5_lag_mp_cleanup(struct mlx5_lag *ldev);
0032 bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev);
0033
0034 #else /* CONFIG_MLX5_ESWITCH */
0035
0036 static inline void mlx5_lag_mp_reset(struct mlx5_lag *ldev) {};
0037 static inline int mlx5_lag_mp_init(struct mlx5_lag *ldev) { return 0; }
0038 static inline void mlx5_lag_mp_cleanup(struct mlx5_lag *ldev) {}
0039 static inline bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev) { return false; }
0040
0041 #endif /* CONFIG_MLX5_ESWITCH */
0042 #endif /* __MLX5_LAG_MP_H__ */