/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
/* Copyright (c) 2018 Mellanox Technologies. All rights reserved */

#ifndef _MLXSW_SPECTRUM_NVE_H
#define _MLXSW_SPECTRUM_NVE_H

#include <linux/netlink.h>
#include <linux/rhashtable.h>

#include "spectrum.h"

struct mlxsw_sp_nve_config {
        enum mlxsw_sp_nve_type type;
        u8 ttl;
        u8 learning_en:1;
        __be16 udp_dport;
        __be32 flowlabel;
        u32 ul_tb_id;
        enum mlxsw_sp_l3proto ul_proto;
        union mlxsw_sp_l3addr ul_sip;
};

struct mlxsw_sp_nve {
        struct mlxsw_sp_nve_config config;
        struct rhashtable mc_list_ht;
        struct rhashtable ipv6_ht;
        struct list_head ipv6_addr_list; /* Saves hash table nodes. */
        struct mlxsw_sp *mlxsw_sp;
        const struct mlxsw_sp_nve_ops **nve_ops_arr;
        unsigned int num_nve_tunnels;   /* Protected by RTNL */
        unsigned int num_max_mc_entries[MLXSW_SP_L3_PROTO_MAX];
        u32 tunnel_index;
        u16 ul_rif_index;       /* Reserved for Spectrum */
};

struct mlxsw_sp_nve_ops {
        enum mlxsw_sp_nve_type type;
        bool (*can_offload)(const struct mlxsw_sp_nve *nve,
                            const struct mlxsw_sp_nve_params *params,
                            struct netlink_ext_ack *extack);
        void (*nve_config)(const struct mlxsw_sp_nve *nve,
                           const struct mlxsw_sp_nve_params *params,
                           struct mlxsw_sp_nve_config *config);
        int (*init)(struct mlxsw_sp_nve *nve,
                    const struct mlxsw_sp_nve_config *config);
        void (*fini)(struct mlxsw_sp_nve *nve);
        int (*fdb_replay)(const struct net_device *nve_dev, __be32 vni,
                          struct netlink_ext_ack *extack);
        void (*fdb_clear_offload)(const struct net_device *nve_dev, __be32 vni);
};

extern const struct mlxsw_sp_nve_ops mlxsw_sp1_nve_vxlan_ops;
extern const struct mlxsw_sp_nve_ops mlxsw_sp2_nve_vxlan_ops;

#endif