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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ee954d1a91
This patch introduces callbacks and tunnel type to offload GRE tunnels. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
80 lines
3.1 KiB
C
80 lines
3.1 KiB
C
/*
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* drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h
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* Copyright (c) 2017 Mellanox Technologies. All rights reserved.
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* Copyright (c) 2017 Petr Machata <petrm@mellanox.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _MLXSW_IPIP_H_
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#define _MLXSW_IPIP_H_
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#include "spectrum_router.h"
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#include <net/ip_fib.h>
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enum mlxsw_sp_ipip_type {
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MLXSW_SP_IPIP_TYPE_GRE4,
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MLXSW_SP_IPIP_TYPE_MAX,
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};
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struct mlxsw_sp_ipip_entry {
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enum mlxsw_sp_ipip_type ipipt;
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struct net_device *ol_dev; /* Overlay. */
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struct mlxsw_sp_rif_ipip_lb *ol_lb;
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unsigned int ref_count; /* Number of next hops using the tunnel. */
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struct mlxsw_sp_fib_entry *decap_fib_entry;
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struct list_head ipip_list_node;
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};
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struct mlxsw_sp_ipip_ops {
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int dev_type;
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enum mlxsw_sp_l3proto ul_proto; /* Underlay. */
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int (*nexthop_update)(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
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struct mlxsw_sp_ipip_entry *ipip_entry);
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bool (*can_offload)(const struct mlxsw_sp *mlxsw_sp,
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const struct net_device *ol_dev,
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enum mlxsw_sp_l3proto ol_proto);
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/* Return a configuration for creating an overlay loopback RIF. */
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struct mlxsw_sp_rif_ipip_lb_config
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(*ol_loopback_config)(struct mlxsw_sp *mlxsw_sp,
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const struct net_device *ol_dev);
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int (*fib_entry_op)(struct mlxsw_sp *mlxsw_sp,
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struct mlxsw_sp_ipip_entry *ipip_entry,
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enum mlxsw_reg_ralue_op op,
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u32 tunnel_index);
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};
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extern const struct mlxsw_sp_ipip_ops *mlxsw_sp_ipip_ops_arr[];
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#endif /* _MLXSW_IPIP_H_*/
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