1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ 2 /* 3 * Copyright (c) 2018 Mellanox Technologies. All rights reserved. 4 */ 5 6 #ifndef _MLX5_ESWITCH_ 7 #define _MLX5_ESWITCH_ 8 9 #include <linux/mlx5/driver.h> 10 #include <net/devlink.h> 11 12 #define MLX5_ESWITCH_MANAGER(mdev) MLX5_CAP_GEN(mdev, eswitch_manager) 13 14 enum { 15 MLX5_ESWITCH_NONE, 16 MLX5_ESWITCH_LEGACY, 17 MLX5_ESWITCH_OFFLOADS 18 }; 19 20 enum { 21 REP_ETH, 22 REP_IB, 23 NUM_REP_TYPES, 24 }; 25 26 enum { 27 REP_UNREGISTERED, 28 REP_REGISTERED, 29 REP_LOADED, 30 }; 31 32 struct mlx5_eswitch_rep; 33 struct mlx5_eswitch_rep_ops { 34 int (*load)(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep); 35 void (*unload)(struct mlx5_eswitch_rep *rep); 36 void *(*get_proto_dev)(struct mlx5_eswitch_rep *rep); 37 }; 38 39 struct mlx5_eswitch_rep_data { 40 void *priv; 41 atomic_t state; 42 }; 43 44 struct mlx5_eswitch_rep { 45 struct mlx5_eswitch_rep_data rep_data[NUM_REP_TYPES]; 46 u16 vport; 47 u16 vlan; 48 /* Only IB rep is using vport_index */ 49 u16 vport_index; 50 u32 vlan_refcount; 51 }; 52 53 void mlx5_eswitch_register_vport_reps(struct mlx5_eswitch *esw, 54 const struct mlx5_eswitch_rep_ops *ops, 55 u8 rep_type); 56 void mlx5_eswitch_unregister_vport_reps(struct mlx5_eswitch *esw, u8 rep_type); 57 void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw, 58 u16 vport_num, 59 u8 rep_type); 60 struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw, 61 u16 vport_num); 62 void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type); 63 struct mlx5_flow_handle * 64 mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, 65 u16 vport_num, u32 sqn); 66 67 u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev); 68 69 #ifdef CONFIG_MLX5_ESWITCH 70 enum devlink_eswitch_encap_mode 71 mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev); 72 73 bool mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw); 74 u32 mlx5_eswitch_get_vport_metadata_for_match(const struct mlx5_eswitch *esw, 75 u16 vport_num); 76 u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw); 77 #else /* CONFIG_MLX5_ESWITCH */ 78 79 static inline u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw) 80 { 81 return MLX5_ESWITCH_NONE; 82 } 83 84 static inline enum devlink_eswitch_encap_mode 85 mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev) 86 { 87 return DEVLINK_ESWITCH_ENCAP_MODE_NONE; 88 } 89 90 static inline bool 91 mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw) 92 { 93 return false; 94 }; 95 96 static inline u32 97 mlx5_eswitch_get_vport_metadata_for_match(const struct mlx5_eswitch *esw, 98 int vport_num) 99 { 100 return 0; 101 }; 102 #endif /* CONFIG_MLX5_ESWITCH */ 103 104 #endif 105