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
mlx5_eswitch_mode(struct mlx5_eswitch * esw)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
mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev * dev)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
mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch * esw)91 mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw)
92 {
93 return false;
94 };
95
96 static inline u32
mlx5_eswitch_get_vport_metadata_for_match(const struct mlx5_eswitch * esw,int vport_num)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
