LXR linux/drivers/net/ethernet/mellanox/mlxsw/spectrum

   1/*
   2 * drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h
   3 * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
   4 * Copyright (c) 2017 Yotam Gigi <yotamg@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_SPECTRUM_MCROUTER_H
  36#define _MLXSW_SPECTRUM_MCROUTER_H
  37
  38#include <linux/mroute.h>
  39#include <linux/mroute6.h>
  40#include "spectrum_router.h"
  41#include "spectrum.h"
  42
  43enum mlxsw_sp_mr_route_action {
  44        MLXSW_SP_MR_ROUTE_ACTION_FORWARD,
  45        MLXSW_SP_MR_ROUTE_ACTION_TRAP,
  46        MLXSW_SP_MR_ROUTE_ACTION_TRAP_AND_FORWARD,
  47};
  48
  49enum mlxsw_sp_mr_route_prio {
  50        MLXSW_SP_MR_ROUTE_PRIO_SG,
  51        MLXSW_SP_MR_ROUTE_PRIO_STARG,
  52        MLXSW_SP_MR_ROUTE_PRIO_CATCHALL,
  53        __MLXSW_SP_MR_ROUTE_PRIO_MAX
  54};
  55
  56#define MLXSW_SP_MR_ROUTE_PRIO_MAX (__MLXSW_SP_MR_ROUTE_PRIO_MAX - 1)
  57
  58struct mlxsw_sp_mr_route_key {
  59        int vrid;
  60        enum mlxsw_sp_l3proto proto;
  61        union mlxsw_sp_l3addr group;
  62        union mlxsw_sp_l3addr group_mask;
  63        union mlxsw_sp_l3addr source;
  64        union mlxsw_sp_l3addr source_mask;
  65};
  66
  67struct mlxsw_sp_mr_route_info {
  68        enum mlxsw_sp_mr_route_action route_action;
  69        u16 irif_index;
  70        u16 *erif_indices;
  71        size_t erif_num;
  72        u16 min_mtu;
  73};
  74
  75struct mlxsw_sp_mr_route_params {
  76        struct mlxsw_sp_mr_route_key key;
  77        struct mlxsw_sp_mr_route_info value;
  78        enum mlxsw_sp_mr_route_prio prio;
  79};
  80
  81struct mlxsw_sp_mr_ops {
  82        int priv_size;
  83        int route_priv_size;
  84        int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv);
  85        int (*route_create)(struct mlxsw_sp *mlxsw_sp, void *priv,
  86                            void *route_priv,
  87                            struct mlxsw_sp_mr_route_params *route_params);
  88        int (*route_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
  89                            struct mlxsw_sp_mr_route_info *route_info);
  90        int (*route_stats)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
  91                           u64 *packets, u64 *bytes);
  92        int (*route_action_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
  93                                   enum mlxsw_sp_mr_route_action route_action);
  94        int (*route_min_mtu_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
  95                                    u16 min_mtu);
  96        int (*route_irif_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
  97                                 u16 irif_index);
  98        int (*route_erif_add)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
  99                              u16 erif_index);
 100        int (*route_erif_del)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
 101                              u16 erif_index);
 102        void (*route_destroy)(struct mlxsw_sp *mlxsw_sp, void *priv,
 103                              void *route_priv);
 104        void (*fini)(void *priv);
 105};
 106
 107struct mlxsw_sp_mr;
 108struct mlxsw_sp_mr_table;
 109
 110int mlxsw_sp_mr_init(struct mlxsw_sp *mlxsw_sp,
 111                     const struct mlxsw_sp_mr_ops *mr_ops);
 112void mlxsw_sp_mr_fini(struct mlxsw_sp *mlxsw_sp);
 113int mlxsw_sp_mr_route_add(struct mlxsw_sp_mr_table *mr_table,
 114                          struct mr_mfc *mfc, bool replace);
 115void mlxsw_sp_mr_route_del(struct mlxsw_sp_mr_table *mr_table,
 116                           struct mr_mfc *mfc);
 117int mlxsw_sp_mr_vif_add(struct mlxsw_sp_mr_table *mr_table,
 118                        struct net_device *dev, vifi_t vif_index,
 119                        unsigned long vif_flags,
 120                        const struct mlxsw_sp_rif *rif);
 121void mlxsw_sp_mr_vif_del(struct mlxsw_sp_mr_table *mr_table, vifi_t vif_index);
 122int mlxsw_sp_mr_rif_add(struct mlxsw_sp_mr_table *mr_table,
 123                        const struct mlxsw_sp_rif *rif);
 124void mlxsw_sp_mr_rif_del(struct mlxsw_sp_mr_table *mr_table,
 125                         const struct mlxsw_sp_rif *rif);
 126void mlxsw_sp_mr_rif_mtu_update(struct mlxsw_sp_mr_table *mr_table,
 127                                const struct mlxsw_sp_rif *rif, int mtu);
 128struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp,
 129                                                   u32 tb_id,
 130                                                   enum mlxsw_sp_l3proto proto);
 131void mlxsw_sp_mr_table_destroy(struct mlxsw_sp_mr_table *mr_table);
 132void mlxsw_sp_mr_table_flush(struct mlxsw_sp_mr_table *mr_table);
 133bool mlxsw_sp_mr_table_empty(const struct mlxsw_sp_mr_table *mr_table);
 134
 135#endif
 136