/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */

#ifndef __MLX5_EN_ACCEL_MACSEC_H__
#define __MLX5_EN_ACCEL_MACSEC_H__

#ifdef CONFIG_MLX5_MACSEC

#include <linux/mlx5/driver.h>
#include <net/macsec.h>
#include <net/dst_metadata.h>
#include "lib/macsec_fs.h"

struct mlx5e_priv;
struct mlx5e_macsec;

void mlx5e_macsec_build_netdev(struct mlx5e_priv *priv);
int mlx5e_macsec_init(struct mlx5e_priv *priv);
void mlx5e_macsec_cleanup(struct mlx5e_priv *priv);
bool mlx5e_macsec_handle_tx_skb(struct mlx5e_macsec *macsec, struct sk_buff *skb);
void mlx5e_macsec_tx_build_eseg(struct mlx5e_macsec *macsec,
                                struct sk_buff *skb,
                                struct mlx5_wqe_eth_seg *eseg);

static inline bool mlx5e_macsec_skb_is_offload(struct sk_buff *skb)
{
        struct metadata_dst *md_dst = skb_metadata_dst(skb);

        return md_dst && (md_dst->type == METADATA_MACSEC);
}

static inline bool mlx5e_macsec_is_rx_flow(struct mlx5_cqe64 *cqe)
{
        return MLX5_MACSEC_METADATA_MARKER(be32_to_cpu(cqe->ft_metadata));
}

void mlx5e_macsec_offload_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb,
                                        struct mlx5_cqe64 *cqe);

#else

static inline void mlx5e_macsec_build_netdev(struct mlx5e_priv *priv) {}
static inline int mlx5e_macsec_init(struct mlx5e_priv *priv) { return 0; }
static inline void mlx5e_macsec_cleanup(struct mlx5e_priv *priv) {}
static inline bool mlx5e_macsec_skb_is_offload(struct sk_buff *skb) { return false; }
static inline bool mlx5e_macsec_is_rx_flow(struct mlx5_cqe64 *cqe) { return false; }
static inline void mlx5e_macsec_offload_handle_rx_skb(struct net_device *netdev,
                                                      struct sk_buff *skb,
                                                      struct mlx5_cqe64 *cqe)
{}
#endif  /* CONFIG_MLX5_MACSEC */

#endif  /* __MLX5_ACCEL_EN_MACSEC_H__ */