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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2020 Mellanox Technologies. */
#ifndef __ML5_FS_TTC_H__
#define __ML5_FS_TTC_H__
#include <linux/mlx5/fs.h>
enum mlx5_traffic_types {
MLX5_TT_IPV4_TCP,
MLX5_TT_IPV6_TCP,
MLX5_TT_IPV4_UDP,
MLX5_TT_IPV6_UDP,
MLX5_TT_IPV4_IPSEC_AH,
MLX5_TT_IPV6_IPSEC_AH,
MLX5_TT_IPV4_IPSEC_ESP,
MLX5_TT_IPV6_IPSEC_ESP,
MLX5_TT_IPV4,
MLX5_TT_IPV6,
MLX5_TT_ANY,
MLX5_TT_DECRYPTED_ESP_OUTER_IPV4_TCP,
MLX5_TT_DECRYPTED_ESP_OUTER_IPV6_TCP,
MLX5_TT_DECRYPTED_ESP_OUTER_IPV4_UDP,
MLX5_TT_DECRYPTED_ESP_OUTER_IPV6_UDP,
MLX5_TT_DECRYPTED_ESP_INNER_IPV4_TCP,
MLX5_TT_DECRYPTED_ESP_INNER_IPV6_TCP,
MLX5_TT_DECRYPTED_ESP_INNER_IPV4_UDP,
MLX5_TT_DECRYPTED_ESP_INNER_IPV6_UDP,
MLX5_NUM_TT,
MLX5_NUM_INDIR_TIRS = MLX5_TT_ANY,
};
enum mlx5_tunnel_types {
MLX5_TT_IPV4_GRE,
MLX5_TT_IPV6_GRE,
MLX5_TT_IPV4_IPIP,
MLX5_TT_IPV6_IPIP,
MLX5_TT_IPV4_IPV6,
MLX5_TT_IPV6_IPV6,
MLX5_NUM_TUNNEL_TT,
};
struct mlx5_ttc_rule {
struct mlx5_flow_handle *rule;
struct mlx5_flow_destination default_dest;
};
struct mlx5_ttc_table;
struct ttc_params {
enum mlx5_flow_namespace_type ns_type;
struct mlx5_flow_table_attr ft_attr;
struct mlx5_flow_destination dests[MLX5_NUM_TT];
DECLARE_BITMAP(ignore_dests, MLX5_NUM_TT);
bool inner_ttc;
DECLARE_BITMAP(ignore_tunnel_dests, MLX5_NUM_TUNNEL_TT);
struct mlx5_flow_destination tunnel_dests[MLX5_NUM_TUNNEL_TT];
bool ipsec_rss;
};
const char *mlx5_ttc_get_name(enum mlx5_traffic_types tt);
struct mlx5_flow_table *mlx5_get_ttc_flow_table(struct mlx5_ttc_table *ttc);
struct mlx5_ttc_table *mlx5_create_ttc_table(struct mlx5_core_dev *dev,
struct ttc_params *params);
void mlx5_destroy_ttc_table(struct mlx5_ttc_table *ttc);
struct mlx5_ttc_table *mlx5_create_inner_ttc_table(struct mlx5_core_dev *dev,
struct ttc_params *params);
int mlx5_ttc_fwd_dest(struct mlx5_ttc_table *ttc, enum mlx5_traffic_types type,
struct mlx5_flow_destination *new_dest);
struct mlx5_flow_destination
mlx5_ttc_get_default_dest(struct mlx5_ttc_table *ttc,
enum mlx5_traffic_types type);
int mlx5_ttc_fwd_default_dest(struct mlx5_ttc_table *ttc,
enum mlx5_traffic_types type);
bool mlx5_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev);
u8 mlx5_get_proto_by_tunnel_type(enum mlx5_tunnel_types tt);
bool mlx5_ttc_has_esp_flow_group(struct mlx5_ttc_table *ttc);
int mlx5_ttc_create_ipsec_rules(struct mlx5_ttc_table *ttc,
struct mlx5_ttc_table *inner_ttc);
void mlx5_ttc_destroy_ipsec_rules(struct mlx5_ttc_table *ttc);
static inline bool mlx5_ttc_is_decrypted_esp_tt(enum mlx5_traffic_types tt)
{
return tt >= MLX5_TT_DECRYPTED_ESP_OUTER_IPV4_TCP &&
tt <= MLX5_TT_DECRYPTED_ESP_INNER_IPV6_UDP;
}
#endif /* __MLX5_FS_TTC_H__ */
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