1/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
3
4#ifndef _MLXSW_IPIP_H_
5#define _MLXSW_IPIP_H_
6
7#include "spectrum_router.h"
8#include <net/ip_fib.h>
9#include <linux/if_tunnel.h>
10
11struct ip_tunnel_parm
12mlxsw_sp_ipip_netdev_parms4(const struct net_device *ol_dev);
13struct __ip6_tnl_parm
14mlxsw_sp_ipip_netdev_parms6(const struct net_device *ol_dev);
15
16union mlxsw_sp_l3addr
17mlxsw_sp_ipip_netdev_saddr(enum mlxsw_sp_l3proto proto,
18			   const struct net_device *ol_dev);
19
20bool mlxsw_sp_l3addr_is_zero(union mlxsw_sp_l3addr addr);
21
22enum mlxsw_sp_ipip_type {
23	MLXSW_SP_IPIP_TYPE_GRE4,
24	MLXSW_SP_IPIP_TYPE_MAX,
25};
26
27struct mlxsw_sp_ipip_entry {
28	enum mlxsw_sp_ipip_type ipipt;
29	struct net_device *ol_dev; /* Overlay. */
30	struct mlxsw_sp_rif_ipip_lb *ol_lb;
31	struct mlxsw_sp_fib_entry *decap_fib_entry;
32	struct list_head ipip_list_node;
33	union {
34		struct ip_tunnel_parm parms4;
35	};
36};
37
38struct mlxsw_sp_ipip_ops {
39	int dev_type;
40	enum mlxsw_sp_l3proto ul_proto; /* Underlay. */
41
42	int (*nexthop_update)(struct mlxsw_sp *mlxsw_sp, u32 adj_index,
43			      struct mlxsw_sp_ipip_entry *ipip_entry);
44
45	bool (*can_offload)(const struct mlxsw_sp *mlxsw_sp,
46			    const struct net_device *ol_dev,
47			    enum mlxsw_sp_l3proto ol_proto);
48
49	/* Return a configuration for creating an overlay loopback RIF. */
50	struct mlxsw_sp_rif_ipip_lb_config
51	(*ol_loopback_config)(struct mlxsw_sp *mlxsw_sp,
52			      const struct net_device *ol_dev);
53
54	int (*fib_entry_op)(struct mlxsw_sp *mlxsw_sp,
55			    struct mlxsw_sp_ipip_entry *ipip_entry,
56			    enum mlxsw_reg_ralue_op op,
57			    u32 tunnel_index);
58
59	int (*ol_netdev_change)(struct mlxsw_sp *mlxsw_sp,
60				struct mlxsw_sp_ipip_entry *ipip_entry,
61				struct netlink_ext_ack *extack);
62};
63
64extern const struct mlxsw_sp_ipip_ops *mlxsw_sp_ipip_ops_arr[];
65
66#endif /* _MLXSW_IPIP_H_*/
67