1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/* Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
3
4#ifndef __MLX5_MACSEC_STEERING_H__
5#define __MLX5_MACSEC_STEERING_H__
6
7#ifdef CONFIG_MLX5_MACSEC
8
9/* Bit31 - 30: MACsec marker, Bit15-0: MACsec id */
10#define MLX5_MACEC_RX_FS_ID_MAX USHRT_MAX /* Must be power of two */
11#define MLX5_MACSEC_RX_FS_ID_MASK MLX5_MACEC_RX_FS_ID_MAX
12#define MLX5_MACSEC_METADATA_MARKER(metadata) ((((metadata) >> 30) & 0x3) == 0x1)
13#define MLX5_MACSEC_RX_METADAT_HANDLE(metadata) ((metadata) & MLX5_MACSEC_RX_FS_ID_MASK)
14
15#define MLX5_MACSEC_NUM_OF_SUPPORTED_INTERFACES 16
16
17struct mlx5_macsec_fs;
18union mlx5_macsec_rule;
19
20struct mlx5_macsec_rule_attrs {
21 sci_t sci;
22 u32 macsec_obj_id;
23 u8 assoc_num;
24 int action;
25};
26
27struct mlx5_macsec_stats {
28 u64 macsec_rx_pkts;
29 u64 macsec_rx_bytes;
30 u64 macsec_rx_pkts_drop;
31 u64 macsec_rx_bytes_drop;
32 u64 macsec_tx_pkts;
33 u64 macsec_tx_bytes;
34 u64 macsec_tx_pkts_drop;
35 u64 macsec_tx_bytes_drop;
36};
37
38enum mlx5_macsec_action {
39 MLX5_ACCEL_MACSEC_ACTION_ENCRYPT,
40 MLX5_ACCEL_MACSEC_ACTION_DECRYPT,
41};
42
43void mlx5_macsec_fs_cleanup(struct mlx5_macsec_fs *macsec_fs);
44
45struct mlx5_macsec_fs *
46mlx5_macsec_fs_init(struct mlx5_core_dev *mdev);
47
48union mlx5_macsec_rule *
49mlx5_macsec_fs_add_rule(struct mlx5_macsec_fs *macsec_fs,
50 const struct macsec_context *ctx,
51 struct mlx5_macsec_rule_attrs *attrs,
52 u32 *sa_fs_id);
53
54void mlx5_macsec_fs_del_rule(struct mlx5_macsec_fs *macsec_fs,
55 union mlx5_macsec_rule *macsec_rule,
56 int action, void *macdev, u32 sa_fs_id);
57
58void mlx5_macsec_fs_get_stats_fill(struct mlx5_macsec_fs *macsec_fs, void *macsec_stats);
59struct mlx5_macsec_stats *mlx5_macsec_fs_get_stats(struct mlx5_macsec_fs *macsec_fs);
60u32 mlx5_macsec_fs_get_fs_id_from_hashtable(struct mlx5_macsec_fs *macsec_fs, sci_t *sci);
61
62#endif
63
64#endif /* __MLX5_MACSEC_STEERING_H__ */
65

source code of linux/drivers/net/ethernet/mellanox/mlx5/core/lib/macsec_fs.h