LXR linux/drivers/net/ethernet/mellanox/mlx5/core/en

   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
  41int mlx5e_tc_init(struct mlx5e_priv *priv);
  42void mlx5e_tc_cleanup(struct mlx5e_priv *priv);
  43
  44int mlx5e_configure_flower(struct mlx5e_priv *priv,
  45                           struct tc_cls_flower_offload *f);
  46int mlx5e_delete_flower(struct mlx5e_priv *priv,
  47                        struct tc_cls_flower_offload *f);
  48
  49int mlx5e_stats_flower(struct mlx5e_priv *priv,
  50                       struct tc_cls_flower_offload *f);
  51
  52struct mlx5e_encap_entry;
  53void mlx5e_tc_encap_flows_add(struct mlx5e_priv *priv,
  54                              struct mlx5e_encap_entry *e);
  55void mlx5e_tc_encap_flows_del(struct mlx5e_priv *priv,
  56                              struct mlx5e_encap_entry *e);
  57
  58struct mlx5e_neigh_hash_entry;
  59void mlx5e_tc_update_neigh_used_value(struct mlx5e_neigh_hash_entry *nhe);
  60
  61static inline int mlx5e_tc_num_filters(struct mlx5e_priv *priv)
  62{
  63        return atomic_read(&priv->fs.tc.ht.nelems);
  64}
  65
  66#else /* CONFIG_MLX5_ESWITCH */
  67static inline int  mlx5e_tc_init(struct mlx5e_priv *priv) { return 0; }
  68static inline void mlx5e_tc_cleanup(struct mlx5e_priv *priv) {}
  69static inline int  mlx5e_tc_num_filters(struct mlx5e_priv *priv) { return 0; }
  70#endif
  71
  72#endif /* __MLX5_EN_TC_H__ */
  73