/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/* Copyright (c) 2018 Mellanox Technologies. */
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#ifndef __MLX5_EN_TC_TUNNEL_H__
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#define __MLX5_EN_TC_TUNNEL_H__
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#include <linux/netdevice.h>
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#include <linux/mlx5/fs.h>
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#include <net/pkt_cls.h>
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#include <linux/netlink.h>
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#include "en.h"
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#include "en_rep.h"
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enum {
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MLX5E_TC_TUNNEL_TYPE_UNKNOWN,
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MLX5E_TC_TUNNEL_TYPE_VXLAN,
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MLX5E_TC_TUNNEL_TYPE_GENEVE,
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MLX5E_TC_TUNNEL_TYPE_GRETAP,
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MLX5E_TC_TUNNEL_TYPE_MPLSOUDP,
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};
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struct mlx5e_tc_tunnel {
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int tunnel_type;
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enum mlx5_flow_match_level match_level;
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bool (*can_offload)(struct mlx5e_priv *priv);
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int (*calc_hlen)(struct mlx5e_encap_entry *e);
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int (*init_encap_attr)(struct net_device *tunnel_dev,
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struct mlx5e_priv *priv,
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struct mlx5e_encap_entry *e,
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struct netlink_ext_ack *extack);
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int (*generate_ip_tun_hdr)(char buf[],
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__u8 *ip_proto,
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struct mlx5e_encap_entry *e);
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int (*parse_udp_ports)(struct mlx5e_priv *priv,
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struct mlx5_flow_spec *spec,
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struct flow_cls_offload *f,
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void *headers_c,
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void *headers_v);
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int (*parse_tunnel)(struct mlx5e_priv *priv,
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struct mlx5_flow_spec *spec,
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struct flow_cls_offload *f,
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void *headers_c,
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void *headers_v);
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};
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extern struct mlx5e_tc_tunnel vxlan_tunnel;
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extern struct mlx5e_tc_tunnel geneve_tunnel;
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extern struct mlx5e_tc_tunnel gre_tunnel;
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extern struct mlx5e_tc_tunnel mplsoudp_tunnel;
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struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev);
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int mlx5e_tc_tun_init_encap_attr(struct net_device *tunnel_dev,
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struct mlx5e_priv *priv,
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struct mlx5e_encap_entry *e,
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struct netlink_ext_ack *extack);
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int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
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struct net_device *mirred_dev,
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struct mlx5e_encap_entry *e);
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#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
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int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
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struct net_device *mirred_dev,
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struct mlx5e_encap_entry *e);
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#else
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static inline int
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mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
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struct net_device *mirred_dev,
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struct mlx5e_encap_entry *e) { return -EOPNOTSUPP; }
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#endif
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bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv,
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struct net_device *netdev);
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int mlx5e_tc_tun_parse(struct net_device *filter_dev,
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struct mlx5e_priv *priv,
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struct mlx5_flow_spec *spec,
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struct flow_cls_offload *f,
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u8 *match_level);
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int mlx5e_tc_tun_parse_udp_ports(struct mlx5e_priv *priv,
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struct mlx5_flow_spec *spec,
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struct flow_cls_offload *f,
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void *headers_c,
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void *headers_v);
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#endif //__MLX5_EN_TC_TUNNEL_H__
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