drivers/net/ethernet/mellanox/mlx5/core/en_tc.h

   1 /*
   2  * Copyright (c) 2016, Mellanox Technologies. All rights reserved.
   3  *
   4  * This software is available to you under a choice of one of two
   5  * licenses.  You may choose to be licensed under the terms of the GNU
   6  * General Public License (GPL) Version 2, available from the file
   7  * COPYING in the main directory of this source tree, or the
   8  * OpenIB.org BSD license below:
   9  *
  10  *     Redistribution and use in source and binary forms, with or
  11  *     without modification, are permitted provided that the following
  12  *     conditions are met:
  13  *
  14  *      - Redistributions of source code must retain the above
  15  *        copyright notice, this list of conditions and the following
  16  *        disclaimer.
  17  *
  18  *      - Redistributions in binary form must reproduce the above
  19  *        copyright notice, this list of conditions and the following
  20  *        disclaimer in the documentation and/or other materials
  21  *        provided with the distribution.
  22  *
  23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30  * SOFTWARE.
  31  */
  32
  33 #ifndef __MLX5_EN_TC_H__
  34 #define __MLX5_EN_TC_H__
  35
  36 #include <net/pkt_cls.h>
  37
  38 #define MLX5E_TC_FLOW_ID_MASK 0x0000ffff
  39
  40 #ifdef CONFIG_MLX5_ESWITCH
  41
  42 enum {
  43         MLX5E_TC_INGRESS = BIT(0),
  44         MLX5E_TC_EGRESS  = BIT(1),
  45         MLX5E_TC_NIC_OFFLOAD = BIT(2),
  46         MLX5E_TC_ESW_OFFLOAD = BIT(3),
  47         MLX5E_TC_LAST_EXPORTED_BIT = 3,
  48 };
  49
  50 int mlx5e_tc_nic_init(struct mlx5e_priv *priv);
  51 void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv);
  52
  53 int mlx5e_tc_esw_init(struct rhashtable *tc_ht);
  54 void mlx5e_tc_esw_cleanup(struct rhashtable *tc_ht);
  55
  56 int mlx5e_configure_flower(struct net_device *dev, struct mlx5e_priv *priv,
  57                            struct tc_cls_flower_offload *f, int flags);
  58 int mlx5e_delete_flower(struct net_device *dev, struct mlx5e_priv *priv,
  59                         struct tc_cls_flower_offload *f, int flags);
  60
  61 int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv,
  62                        struct tc_cls_flower_offload *f, int flags);
  63
  64 struct mlx5e_encap_entry;
  65 void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
  66                               struct mlx5e_encap_entry *e);
  67 void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv,
  68                               struct mlx5e_encap_entry *e);
  69
  70 struct mlx5e_neigh_hash_entry;
  71 void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe);
  72
  73 int mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags);
  74
  75 void mlx5e_tc_reoffload_flows_work(struct work_struct *work);
  76
  77 #else /* CONFIG_MLX5_ESWITCH */
  78 static inline int  mlx5e_tc_nic_init(struct mlx5e_priv *priv) { return 0; }
  79 static inline void mlx5e_tc_nic_cleanup(struct mlx5e_priv *priv) {}
  80 static inline int  mlx5e_tc_num_filters(struct mlx5e_priv *priv, int flags) { return 0; }
  81 #endif
  82
  83 #endif /* __MLX5_EN_TC_H__ */