/*
* drivers/net/ethernet/mellanox/mlxsw/spectrum_mr.h
* Copyright (c) 2017 Mellanox Technologies. All rights reserved.
* Copyright (c) 2017 Yotam Gigi <yotamg@mellanox.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _MLXSW_SPECTRUM_MCROUTER_H
#define _MLXSW_SPECTRUM_MCROUTER_H
#include <linux/mroute.h>
#include "spectrum_router.h"
#include "spectrum.h"
enum mlxsw_sp_mr_route_action {
MLXSW_SP_MR_ROUTE_ACTION_FORWARD,
MLXSW_SP_MR_ROUTE_ACTION_TRAP,
MLXSW_SP_MR_ROUTE_ACTION_TRAP_AND_FORWARD,
};
enum mlxsw_sp_mr_route_prio {
MLXSW_SP_MR_ROUTE_PRIO_SG,
MLXSW_SP_MR_ROUTE_PRIO_STARG,
MLXSW_SP_MR_ROUTE_PRIO_CATCHALL,
__MLXSW_SP_MR_ROUTE_PRIO_MAX
};
#define MLXSW_SP_MR_ROUTE_PRIO_MAX (__MLXSW_SP_MR_ROUTE_PRIO_MAX - 1)
struct mlxsw_sp_mr_route_key {
int vrid;
enum mlxsw_sp_l3proto proto;
union mlxsw_sp_l3addr group;
union mlxsw_sp_l3addr group_mask;
union mlxsw_sp_l3addr source;
union mlxsw_sp_l3addr source_mask;
};
struct mlxsw_sp_mr_route_info {
enum mlxsw_sp_mr_route_action route_action;
u16 irif_index;
u16 *erif_indices;
size_t erif_num;
u16 min_mtu;
};
struct mlxsw_sp_mr_route_params {
struct mlxsw_sp_mr_route_key key;
struct mlxsw_sp_mr_route_info value;
enum mlxsw_sp_mr_route_prio prio;
};
struct mlxsw_sp_mr_ops {
int priv_size;
int route_priv_size;
int (*init)(struct mlxsw_sp *mlxsw_sp, void *priv);
int (*route_create)(struct mlxsw_sp *mlxsw_sp, void *priv,
void *route_priv,
struct mlxsw_sp_mr_route_params *route_params);
int (*route_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
struct mlxsw_sp_mr_route_info *route_info);
int (*route_stats)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
u64 *packets, u64 *bytes);
int (*route_action_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
enum mlxsw_sp_mr_route_action route_action);
int (*route_min_mtu_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
u16 min_mtu);
int (*route_irif_update)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
u16 irif_index);
int (*route_erif_add)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
u16 erif_index);
int (*route_erif_del)(struct mlxsw_sp *mlxsw_sp, void *route_priv,
u16 erif_index);
void (*route_destroy)(struct mlxsw_sp *mlxsw_sp, void *priv,
void *route_priv);
void (*fini)(void *priv);
};
struct mlxsw_sp_mr;
struct mlxsw_sp_mr_table;
int mlxsw_sp_mr_init(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_mr_ops *mr_ops);
void mlxsw_sp_mr_fini(struct mlxsw_sp *mlxsw_sp);
int mlxsw_sp_mr_route4_add(struct mlxsw_sp_mr_table *mr_table,
struct mfc_cache *mfc, bool replace);
void mlxsw_sp_mr_route4_del(struct mlxsw_sp_mr_table *mr_table,
struct mfc_cache *mfc);
int mlxsw_sp_mr_vif_add(struct mlxsw_sp_mr_table *mr_table,
struct net_device *dev, vifi_t vif_index,
unsigned long vif_flags,
const struct mlxsw_sp_rif *rif);
void mlxsw_sp_mr_vif_del(struct mlxsw_sp_mr_table *mr_table, vifi_t vif_index);
int mlxsw_sp_mr_rif_add(struct mlxsw_sp_mr_table *mr_table,
const struct mlxsw_sp_rif *rif);
void mlxsw_sp_mr_rif_del(struct mlxsw_sp_mr_table *mr_table,
const struct mlxsw_sp_rif *rif);
void mlxsw_sp_mr_rif_mtu_update(struct mlxsw_sp_mr_table *mr_table,
const struct mlxsw_sp_rif *rif, int mtu);
struct mlxsw_sp_mr_table *mlxsw_sp_mr_table_create(struct mlxsw_sp *mlxsw_sp,
u32 tb_id,
enum mlxsw_sp_l3proto proto);
void mlxsw_sp_mr_table_destroy(struct mlxsw_sp_mr_table *mr_table);
void mlxsw_sp_mr_table_flush(struct mlxsw_sp_mr_table *mr_table);
bool mlxsw_sp_mr_table_empty(const struct mlxsw_sp_mr_table *mr_table);
#endif
