psp.h

 1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 2/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
 3
 4#ifndef __MLX5E_ACCEL_PSP_H__
 5#define __MLX5E_ACCEL_PSP_H__
 6#if IS_ENABLED(CONFIG_MLX5_EN_PSP)
 7#include <net/psp/types.h>
 8#include "en.h"
 9
10struct mlx5e_psp_stats {
11	u64 psp_rx_pkts;
12	u64 psp_rx_bytes;
13	u64 psp_rx_pkts_auth_fail;
14	u64 psp_rx_bytes_auth_fail;
15	u64 psp_rx_pkts_frame_err;
16	u64 psp_rx_bytes_frame_err;
17	u64 psp_rx_pkts_drop;
18	u64 psp_rx_bytes_drop;
19	u64 psp_tx_pkts;
20	u64 psp_tx_bytes;
21	u64 psp_tx_pkts_drop;
22	u64 psp_tx_bytes_drop;
23};
24
25struct mlx5e_psp {
26	struct psp_dev *psp;
27	struct psp_dev_caps caps;
28	struct mlx5e_psp_fs *fs;
29	atomic_t tx_key_cnt;
30	atomic_t tx_drop;
31};
32
33static inline bool mlx5_is_psp_device(struct mlx5_core_dev *mdev)
34{
35	if (!MLX5_CAP_GEN(mdev, psp))
36		return false;
37
38	if (!MLX5_CAP_PSP(mdev, psp_crypto_offload) ||
39	    !MLX5_CAP_PSP(mdev, psp_crypto_esp_aes_gcm_128_encrypt) ||
40	    !MLX5_CAP_PSP(mdev, psp_crypto_esp_aes_gcm_128_decrypt))
41		return false;
42
43	return true;
44}
45
46int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv);
47void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv);
48int mlx5_accel_psp_fs_init_tx_tables(struct mlx5e_priv *priv);
49void mlx5_accel_psp_fs_cleanup_tx_tables(struct mlx5e_priv *priv);
50void mlx5e_psp_register(struct mlx5e_priv *priv);
51void mlx5e_psp_unregister(struct mlx5e_priv *priv);
52int mlx5e_psp_init(struct mlx5e_priv *priv);
53void mlx5e_psp_cleanup(struct mlx5e_priv *priv);
54#else
55static inline int mlx5_accel_psp_fs_init_rx_tables(struct mlx5e_priv *priv)
56{
57	return 0;
58}
59
60static inline void mlx5_accel_psp_fs_cleanup_rx_tables(struct mlx5e_priv *priv) { }
61static inline int mlx5_accel_psp_fs_init_tx_tables(struct mlx5e_priv *priv)
62{
63	return 0;
64}
65
66static inline void mlx5_accel_psp_fs_cleanup_tx_tables(struct mlx5e_priv *priv) { }
67static inline bool mlx5_is_psp_device(struct mlx5_core_dev *mdev)
68{
69	return false;
70}
71
72static inline void mlx5e_psp_register(struct mlx5e_priv *priv) { }
73static inline void mlx5e_psp_unregister(struct mlx5e_priv *priv) { }
74static inline int mlx5e_psp_init(struct mlx5e_priv *priv) { return 0; }
75static inline void mlx5e_psp_cleanup(struct mlx5e_priv *priv) { }
76#endif /* CONFIG_MLX5_EN_PSP */
77#endif /* __MLX5E_ACCEL_PSP_H__ */