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 u8 hw_id[ETH_ALEN]; 48 u16 vlan; 49 /* Only IB rep is using vport_index */ 50 u16 vport_index; 51 u32 vlan_refcount; 52 }; 53 54 void mlx5_eswitch_register_vport_reps(struct mlx5_eswitch *esw, 55 const struct mlx5_eswitch_rep_ops *ops, 56 u8 rep_type); 57 void mlx5_eswitch_unregister_vport_reps(struct mlx5_eswitch *esw, u8 rep_type); 58 void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw, 59 u16 vport_num, 60 u8 rep_type); 61 struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw, 62 u16 vport_num); 63 void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type); 64 u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw); 65 struct mlx5_flow_handle * 66 mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw, 67 u16 vport_num, u32 sqn); 68 69 u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev); 70 71 #ifdef CONFIG_MLX5_ESWITCH 72 enum devlink_eswitch_encap_mode 73 mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev); 74 75 bool mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw); 76 u32 mlx5_eswitch_get_vport_metadata_for_match(const struct mlx5_eswitch *esw, 77 u16 vport_num); 78 #else /* CONFIG_MLX5_ESWITCH */ 79 static inline enum devlink_eswitch_encap_mode 80 mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev) 81 { 82 return DEVLINK_ESWITCH_ENCAP_MODE_NONE; 83 } 84 85 static inline bool 86 mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw) 87 { 88 return false; 89 }; 90 91 static inline u32 92 mlx5_eswitch_get_vport_metadata_for_match(const struct mlx5_eswitch *esw, 93 int vport_num) 94 { 95 return 0; 96 }; 97 #endif /* CONFIG_MLX5_ESWITCH */ 98 99 #endif 100