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/*
* drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h
* Copyright (c) 2017 Mellanox Technologies. All rights reserved.
* Copyright (c) 2017 Petr Machata <petrm@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_IPIP_H_
#define _MLXSW_IPIP_H_
#include "spectrum_router.h"
#include <net/ip_fib.h>
enum mlxsw_sp_ipip_type {
MLXSW_SP_IPIP_TYPE_GRE4,
MLXSW_SP_IPIP_TYPE_MAX,
};
struct mlxsw_sp_ipip_entry {
enum mlxsw_sp_ipip_type ipipt;
struct net_device *ol_dev; /* Overlay. */
struct mlxsw_sp_rif_ipip_lb *ol_lb;
unsigned int ref_count; /* Number of next hops using the tunnel. */
struct mlxsw_sp_fib_entry *decap_fib_entry;
struct list_head ipip_list_node;
};
struct mlxsw_sp_ipip_ops {
int dev_type;
enum mlxsw_sp_l3proto ul_proto; /* Underlay. */
int (*nexthop_update)(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
struct mlxsw_sp_ipip_entry *ipip_entry);
bool (*can_offload)(const struct mlxsw_sp *mlxsw_sp,
const struct net_device *ol_dev,
enum mlxsw_sp_l3proto ol_proto);
/* Return a configuration for creating an overlay loopback RIF. */
struct mlxsw_sp_rif_ipip_lb_config
(*ol_loopback_config)(struct mlxsw_sp *mlxsw_sp,
const struct net_device *ol_dev);
int (*fib_entry_op)(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_ipip_entry *ipip_entry,
enum mlxsw_reg_ralue_op op,
u32 tunnel_index);
};
extern const struct mlxsw_sp_ipip_ops *mlxsw_sp_ipip_ops_arr[];
#endif /* _MLXSW_IPIP_H_*/
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