2 * drivers/net/ethernet/mellanox/mlxsw/spectrum_ipip.h
3 * Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved.
4 * Copyright (c) 2017-2018 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"
39 #include <net/ip_fib.h>
40 #include <linux/if_tunnel.h>
43 mlxsw_sp_ipip_netdev_parms4(const struct net_device *ol_dev);
45 mlxsw_sp_ipip_netdev_parms6(const struct net_device *ol_dev);
48 mlxsw_sp_ipip_netdev_saddr(enum mlxsw_sp_l3proto proto,
49 const struct net_device *ol_dev);
51 bool mlxsw_sp_l3addr_is_zero(union mlxsw_sp_l3addr addr);
53 enum mlxsw_sp_ipip_type {
54 MLXSW_SP_IPIP_TYPE_GRE4,
55 MLXSW_SP_IPIP_TYPE_MAX,
58 struct mlxsw_sp_ipip_entry {
59 enum mlxsw_sp_ipip_type ipipt;
60 struct net_device *ol_dev; /* Overlay. */
61 struct mlxsw_sp_rif_ipip_lb *ol_lb;
62 struct mlxsw_sp_fib_entry *decap_fib_entry;
63 struct list_head ipip_list_node;
65 struct ip_tunnel_parm parms4;
69 struct mlxsw_sp_ipip_ops {
71 enum mlxsw_sp_l3proto ul_proto; /* Underlay. */
73 int (*nexthop_update)(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
74 struct mlxsw_sp_ipip_entry *ipip_entry);
76 bool (*can_offload)(const struct mlxsw_sp *mlxsw_sp,
77 const struct net_device *ol_dev,
78 enum mlxsw_sp_l3proto ol_proto);
80 /* Return a configuration for creating an overlay loopback RIF. */
81 struct mlxsw_sp_rif_ipip_lb_config
82 (*ol_loopback_config)(struct mlxsw_sp *mlxsw_sp,
83 const struct net_device *ol_dev);
85 int (*fib_entry_op)(struct mlxsw_sp *mlxsw_sp,
86 struct mlxsw_sp_ipip_entry *ipip_entry,
87 enum mlxsw_reg_ralue_op op,
90 int (*ol_netdev_change)(struct mlxsw_sp *mlxsw_sp,
91 struct mlxsw_sp_ipip_entry *ipip_entry,
92 struct netlink_ext_ack *extack);
95 extern const struct mlxsw_sp_ipip_ops *mlxsw_sp_ipip_ops_arr[];
97 #endif /* _MLXSW_IPIP_H_*/