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
  11 #define MLX5_ESWITCH_MANAGER(mdev) MLX5_CAP_GEN(mdev, eswitch_manager)
  12
  13 enum {
  14         SRIOV_NONE,
  15         SRIOV_LEGACY,
  16         SRIOV_OFFLOADS
  17 };
  18
  19 enum {
  20         REP_ETH,
  21         REP_IB,
  22         NUM_REP_TYPES,
  23 };
  24
  25 enum {
  26         REP_UNREGISTERED,
  27         REP_REGISTERED,
  28         REP_LOADED,
  29 };
  30
  31 struct mlx5_eswitch_rep;
  32 struct mlx5_eswitch_rep_if {
  33         int                    (*load)(struct mlx5_core_dev *dev,
  34                                        struct mlx5_eswitch_rep *rep);
  35         void                   (*unload)(struct mlx5_eswitch_rep *rep);
  36         void                   *(*get_proto_dev)(struct mlx5_eswitch_rep *rep);
  37         void                    *priv;
  38         atomic_t                state;
  39 };
  40
  41 struct mlx5_eswitch_rep {
  42         struct mlx5_eswitch_rep_if rep_if[NUM_REP_TYPES];
  43         u16                    vport;
  44         u8                     hw_id[ETH_ALEN];
  45         u16                    vlan;
  46         u32                    vlan_refcount;
  47 };
  48
  49 void mlx5_eswitch_register_vport_reps(struct mlx5_eswitch *esw,
  50                                       struct mlx5_eswitch_rep_if *rep_if,
  51                                       u8 rep_type);
  52 void mlx5_eswitch_unregister_vport_reps(struct mlx5_eswitch *esw, u8 rep_type);
  53 void *mlx5_eswitch_get_proto_dev(struct mlx5_eswitch *esw,
  54                                  u16 vport_num,
  55                                  u8 rep_type);
  56 struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw,
  57                                                 u16 vport_num);
  58 void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type);
  59 u8 mlx5_eswitch_mode(struct mlx5_eswitch *esw);
  60 struct mlx5_flow_handle *
  61 mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *esw,
  62                                     u16 vport_num, u32 sqn);
  63 #endif