| 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 | |
| 14 | struct mlx5e_priv; |
| 15 | struct mlx5e_macsec; |
| 16 | |
| 17 | void mlx5e_macsec_build_netdev(struct mlx5e_priv *priv); |
| 18 | int mlx5e_macsec_init(struct mlx5e_priv *priv); |
| 19 | void mlx5e_macsec_cleanup(struct mlx5e_priv *priv); |
| 20 | bool mlx5e_macsec_handle_tx_skb(struct mlx5e_macsec *macsec, struct sk_buff *skb); |
| 21 | void mlx5e_macsec_tx_build_eseg(struct mlx5e_macsec *macsec, |
| 22 | struct sk_buff *skb, |
| 23 | struct mlx5_wqe_eth_seg *eseg); |
| 24 | |
| 25 | static 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 | |
| 32 | static 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 | |
| 37 | void mlx5e_macsec_offload_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb, |
| 38 | struct mlx5_cqe64 *cqe); |
| 39 | |
| 40 | #else |
| 41 | |
| 42 | static inline void mlx5e_macsec_build_netdev(struct mlx5e_priv *priv) {} |
| 43 | static inline int mlx5e_macsec_init(struct mlx5e_priv *priv) { return 0; } |
| 44 | static inline void mlx5e_macsec_cleanup(struct mlx5e_priv *priv) {} |
| 45 | static inline bool mlx5e_macsec_skb_is_offload(struct sk_buff *skb) { return false; } |
| 46 | static inline bool mlx5e_macsec_is_rx_flow(struct mlx5_cqe64 *cqe) { return false; } |
| 47 | static 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 |