1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ 3 4#ifndef __MLX5_EN_ACCEL_MACSEC_H__ 5#define __MLX5_EN_ACCEL_MACSEC_H__ 6 7#ifdef CONFIG_MLX5_MACSEC 8 9#include <linux/mlx5/driver.h> 10#include <net/macsec.h> 11#include <net/dst_metadata.h> 12#include "lib/macsec_fs.h" 13 14struct mlx5e_priv; 15struct mlx5e_macsec; 16 17void mlx5e_macsec_build_netdev(struct mlx5e_priv *priv); 18int mlx5e_macsec_init(struct mlx5e_priv *priv); 19void mlx5e_macsec_cleanup(struct mlx5e_priv *priv); 20bool mlx5e_macsec_handle_tx_skb(struct mlx5e_macsec *macsec, struct sk_buff *skb); 21void mlx5e_macsec_tx_build_eseg(struct mlx5e_macsec *macsec, 22 struct sk_buff *skb, 23 struct mlx5_wqe_eth_seg *eseg); 24 25static inline bool mlx5e_macsec_skb_is_offload(struct sk_buff *skb) 26{ 27 struct metadata_dst *md_dst = skb_metadata_dst(skb); 28 29 return md_dst && (md_dst->type == METADATA_MACSEC); 30} 31 32static inline bool mlx5e_macsec_is_rx_flow(struct mlx5_cqe64 *cqe) 33{ 34 return MLX5_MACSEC_METADATA_MARKER(be32_to_cpu(cqe->ft_metadata)); 35} 36 37void mlx5e_macsec_offload_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb, 38 struct mlx5_cqe64 *cqe); 39 40#else 41 42static inline void mlx5e_macsec_build_netdev(struct mlx5e_priv *priv) {} 43static inline int mlx5e_macsec_init(struct mlx5e_priv *priv) { return 0; } 44static inline void mlx5e_macsec_cleanup(struct mlx5e_priv *priv) {} 45static inline bool mlx5e_macsec_skb_is_offload(struct sk_buff *skb) { return false; } 46static inline bool mlx5e_macsec_is_rx_flow(struct mlx5_cqe64 *cqe) { return false; } 47static inline void mlx5e_macsec_offload_handle_rx_skb(struct net_device *netdev, 48 struct sk_buff *skb, 49 struct mlx5_cqe64 *cqe) 50{} 51#endif /* CONFIG_MLX5_MACSEC */ 52 53#endif /* __MLX5_ACCEL_EN_MACSEC_H__ */ 54