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/* 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 {
MLX5E_TC_TUNNEL_TYPE_UNKNOWN,
MLX5E_TC_TUNNEL_TYPE_VXLAN,
MLX5E_TC_TUNNEL_TYPE_GENEVE,
MLX5E_TC_TUNNEL_TYPE_GRETAP,
MLX5E_TC_TUNNEL_TYPE_MPLSOUDP,
};
struct mlx5e_encap_key {
const struct ip_tunnel_key *ip_tun_key;
struct mlx5e_tc_tunnel *tc_tunnel;
};
struct mlx5e_tc_tunnel {
int tunnel_type;
enum mlx5_flow_match_level match_level;
bool (*can_offload)(struct mlx5e_priv *priv);
int (*calc_hlen)(struct mlx5e_encap_entry *e);
int (*init_encap_attr)(struct net_device *tunnel_dev,
struct mlx5e_priv *priv,
struct mlx5e_encap_entry *e,
struct netlink_ext_ack *extack);
int (*generate_ip_tun_hdr)(char buf[],
__u8 *ip_proto,
struct mlx5e_encap_entry *e);
int (*parse_udp_ports)(struct mlx5e_priv *priv,
struct mlx5_flow_spec *spec,
struct flow_cls_offload *f,
void *headers_c,
void *headers_v);
int (*parse_tunnel)(struct mlx5e_priv *priv,
struct mlx5_flow_spec *spec,
struct flow_cls_offload *f,
void *headers_c,
void *headers_v);
bool (*encap_info_equal)(struct mlx5e_encap_key *a,
struct mlx5e_encap_key *b);
int (*get_remote_ifindex)(struct net_device *mirred_dev);
};
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);
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);
#endif /* CONFIG_MLX5_ESWITCH */
#endif //__MLX5_EN_TC_TUNNEL_H__
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