LXR linux/include/linux/mlx5/eswitch.h

   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
  14enum {
  15        MLX5_ESWITCH_NONE,
  16        MLX5_ESWITCH_LEGACY,
  17        MLX5_ESWITCH_OFFLOADS
  18};
  19
  20enum {
  21        REP_ETH,
  22        REP_IB,
  23        NUM_REP_TYPES,
  24};
  25
  26enum {
  27        REP_UNREGISTERED,
  28        REP_REGISTERED,
  29        REP_LOADED,
  30};
  31
  32struct mlx5_eswitch_rep;
  33struct 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
  39struct mlx5_eswitch_rep_data {
  40        void *priv;
  41        atomic_t state;
  42};
  43
  44struct 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
  53void mlx5_eswitch_register_vport_reps(struct mlx5_eswitch *esw,
  54                                      const struct mlx5_eswitch_rep_ops *ops,
  55                                      u8 rep_type);
  56void mlx5_eswitch_unregister_vport_reps(struct mlx5_eswitch *esw, u8 rep_type);
  57void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw,
  58                                 u16 vport_num,
  59                                 u8 rep_type);
  60struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw,
  61                                                u16 vport_num);
  62void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type);
  63struct mlx5_flow_handle *
  64mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw,
  65                                    u16 vport_num, u32 sqn);
  66
  67u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev);
  68
  69#ifdef CONFIG_MLX5_ESWITCH
  70enum devlink_eswitch_encap_mode
  71mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev);
  72
  73bool mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw);
  74u32 mlx5_eswitch_get_vport_metadata_for_match(const struct mlx5_eswitch *esw,
  75                                              u16 vport_num);
  76u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw);
  77#else  /* CONFIG_MLX5_ESWITCH */
  78
  79static inline u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw)
  80{
  81        return MLX5_ESWITCH_NONE;
  82}
  83
  84static inline enum devlink_eswitch_encap_mode
  85mlx5_eswitch_get_encap_mode(const struct mlx5_core_dev *dev)
  86{
  87        return DEVLINK_ESWITCH_ENCAP_MODE_NONE;
  88}
  89
  90static inline bool
  91mlx5_eswitch_vport_match_metadata_enabled(const struct mlx5_eswitch *esw)
  92{
  93        return false;
  94};
  95
  96static inline u32
  97mlx5_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