drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h

   1 /*
   2  * drivers/net/ethernet/mellanox/mlxsw/spectrum_router.h
   3  * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
   4  * Copyright (c) 2017 Arkadi Sharshevsky <arkadis@mellanox.com>
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. Neither the names of the copyright holders nor the names of its
  15  *    contributors may be used to endorse or promote products derived from
  16  *    this software without specific prior written permission.
  17  *
  18  * Alternatively, this software may be distributed under the terms of the
  19  * GNU General Public License ("GPL") version 2 as published by the Free
  20  * Software Foundation.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  26  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32  * POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 #ifndef _MLXSW_ROUTER_H_
  36 #define _MLXSW_ROUTER_H_
  37
  38 #include "spectrum.h"
  39
  40 enum mlxsw_sp_rif_counter_dir {
  41         MLXSW_SP_RIF_COUNTER_INGRESS,
  42         MLXSW_SP_RIF_COUNTER_EGRESS,
  43 };
  44
  45 struct mlxsw_sp_neigh_entry;
  46
  47 struct mlxsw_sp_rif *mlxsw_sp_rif_by_index(const struct mlxsw_sp *mlxsw_sp,
  48                                            u16 rif_index);
  49 u16 mlxsw_sp_rif_index(const struct mlxsw_sp_rif *rif);
  50 int mlxsw_sp_rif_dev_ifindex(const struct mlxsw_sp_rif *rif);
  51 int mlxsw_sp_rif_counter_value_get(struct mlxsw_sp *mlxsw_sp,
  52                                    struct mlxsw_sp_rif *rif,
  53                                    enum mlxsw_sp_rif_counter_dir dir,
  54                                    u64 *cnt);
  55 void mlxsw_sp_rif_counter_free(struct mlxsw_sp *mlxsw_sp,
  56                                struct mlxsw_sp_rif *rif,
  57                                enum mlxsw_sp_rif_counter_dir dir);
  58 int mlxsw_sp_rif_counter_alloc(struct mlxsw_sp *mlxsw_sp,
  59                                struct mlxsw_sp_rif *rif,
  60                                enum mlxsw_sp_rif_counter_dir dir);
  61 struct mlxsw_sp_neigh_entry *
  62 mlxsw_sp_rif_neigh_next(struct mlxsw_sp_rif *rif,
  63                         struct mlxsw_sp_neigh_entry *neigh_entry);
  64 int mlxsw_sp_neigh_entry_type(struct mlxsw_sp_neigh_entry *neigh_entry);
  65 unsigned char *
  66 mlxsw_sp_neigh_entry_ha(struct mlxsw_sp_neigh_entry *neigh_entry);
  67 u32 mlxsw_sp_neigh4_entry_dip(struct mlxsw_sp_neigh_entry *neigh_entry);
  68
  69 #define mlxsw_sp_rif_neigh_for_each(neigh_entry, rif)                           \
  70         for (neigh_entry = mlxsw_sp_rif_neigh_next(rif, NULL); neigh_entry;     \
  71              neigh_entry = mlxsw_sp_rif_neigh_next(rif, neigh_entry))
  72 int mlxsw_sp_neigh_counter_get(struct mlxsw_sp *mlxsw_sp,
  73                                struct mlxsw_sp_neigh_entry *neigh_entry,
  74                                u64 *p_counter);
  75
  76 #endif /* _MLXSW_ROUTER_H_*/