2 * drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h
3 * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2017 Petr Machata <petrm@mellanox.com>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
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.
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.
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.
35 #ifndef _MLXSW_IPIP_H_
36 #define _MLXSW_IPIP_H_
38 #include "spectrum_router.h"
40 enum mlxsw_sp_ipip_type
{
41 MLXSW_SP_IPIP_TYPE_MAX
,
44 struct mlxsw_sp_ipip_entry
{
45 enum mlxsw_sp_ipip_type ipipt
;
46 struct net_device
*ol_dev
; /* Overlay. */
47 struct mlxsw_sp_rif_ipip_lb
*ol_lb
;
48 unsigned int ref_count
; /* Number of next hops using the tunnel. */
49 struct list_head ipip_list_node
;
52 struct mlxsw_sp_ipip_ops
{
54 enum mlxsw_sp_l3proto ul_proto
; /* Underlay. */
56 int (*nexthop_update
)(struct mlxsw_sp
*mlxsw_sp
, u32 adj_index
,
57 struct mlxsw_sp_ipip_entry
*ipip_entry
);
59 bool (*can_offload
)(const struct mlxsw_sp
*mlxsw_sp
,
60 const struct net_device
*ol_dev
,
61 enum mlxsw_sp_l3proto ol_proto
);
63 /* Return a configuration for creating an overlay loopback RIF. */
64 struct mlxsw_sp_rif_ipip_lb_config
65 (*ol_loopback_config
)(struct mlxsw_sp
*mlxsw_sp
,
66 const struct net_device
*ol_dev
);
69 extern const struct mlxsw_sp_ipip_ops
*mlxsw_sp_ipip_ops_arr
[];
71 #endif /* _MLXSW_IPIP_H_*/