linux/drivers/net/ethernet/mellanox/mlx5/core/en/tc_tun.h

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2018 Mellanox Technologies. */

#ifndef __MLX5_EN_TC_TUNNEL_H__
#define __MLX5_EN_TC_TUNNEL_H__

#include <linux/netdevice.h>
#include <linux/mlx5/fs.h>
#include <net/pkt_cls.h>
#include <linux/netlink.h>
#include "en.h"
#include "en_rep.h"

#ifdef CONFIG_MLX5_ESWITCH

enum { … };

struct mlx5e_encap_key { … };

struct mlx5e_tc_tunnel { … };

extern struct mlx5e_tc_tunnel vxlan_tunnel;
extern struct mlx5e_tc_tunnel geneve_tunnel;
extern struct mlx5e_tc_tunnel gre_tunnel;
extern struct mlx5e_tc_tunnel mplsoudp_tunnel;

struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev);

int mlx5e_tc_tun_init_encap_attr(struct net_device *tunnel_dev,
				 struct mlx5e_priv *priv,
				 struct mlx5e_encap_entry *e,
				 struct netlink_ext_ack *extack);

int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e);
int mlx5e_tc_tun_update_header_ipv4(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e);

#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e);
int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
				    struct net_device *mirred_dev,
				    struct mlx5e_encap_entry *e);
#else
static inline int
mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
				struct net_device *mirred_dev,
				struct mlx5e_encap_entry *e)
{ return -EOPNOTSUPP; }
static inline int
mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
				struct net_device *mirred_dev,
				struct mlx5e_encap_entry *e)
{ return -EOPNOTSUPP; }
#endif
int mlx5e_tc_tun_route_lookup(struct mlx5e_priv *priv,
			      struct mlx5_flow_spec *spec,
			      struct mlx5_flow_attr *attr,
			      struct net_device *filter_dev);

bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv,
				    struct net_device *netdev);

int mlx5e_tc_tun_parse(struct net_device *filter_dev,
		       struct mlx5e_priv *priv,
		       struct mlx5_flow_spec *spec,
		       struct flow_cls_offload *f,
		       u8 *match_level);

int mlx5e_tc_tun_parse_udp_ports(struct mlx5e_priv *priv,
				 struct mlx5_flow_spec *spec,
				 struct flow_cls_offload *f,
				 void *headers_c,
				 void *headers_v);

bool mlx5e_tc_tun_encap_info_equal_generic(struct mlx5e_encap_key *a,
					   struct mlx5e_encap_key *b);

bool mlx5e_tc_tun_encap_info_equal_options(struct mlx5e_encap_key *a,
					   struct mlx5e_encap_key *b,
					   u32 tun_type);
#endif /* CONFIG_MLX5_ESWITCH */

#endif //__MLX5_EN_TC_TUNNEL_H__