1
2
3
4#ifndef __MLX5E_KTLS_UTILS_H__
5#define __MLX5E_KTLS_UTILS_H__
6
7#include <net/tls.h>
8#include "en.h"
9#include "accel/tls.h"
10
11enum {
12 MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_NO_OFFLOAD = 0,
13 MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_OFFLOAD = 1,
14 MLX5E_TLS_PROGRESS_PARAMS_AUTH_STATE_AUTHENTICATION = 2,
15};
16
17enum {
18 MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_START = 0,
19 MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_TRACKING = 1,
20 MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_SEARCHING = 2,
21};
22
23int mlx5e_ktls_add_tx(struct net_device *netdev, struct sock *sk,
24 struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
25void mlx5e_ktls_del_tx(struct net_device *netdev, struct tls_context *tls_ctx);
26int mlx5e_ktls_add_rx(struct net_device *netdev, struct sock *sk,
27 struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
28void mlx5e_ktls_del_rx(struct net_device *netdev, struct tls_context *tls_ctx);
29void mlx5e_ktls_rx_resync(struct net_device *netdev, struct sock *sk, u32 seq, u8 *rcd_sn);
30
31struct mlx5e_set_tls_static_params_wqe {
32 struct mlx5_wqe_ctrl_seg ctrl;
33 struct mlx5_wqe_umr_ctrl_seg uctrl;
34 struct mlx5_mkey_seg mkc;
35 struct mlx5_wqe_tls_static_params_seg params;
36};
37
38struct mlx5e_set_tls_progress_params_wqe {
39 struct mlx5_wqe_ctrl_seg ctrl;
40 struct mlx5_wqe_tls_progress_params_seg params;
41};
42
43struct mlx5e_get_tls_progress_params_wqe {
44 struct mlx5_wqe_ctrl_seg ctrl;
45 struct mlx5_seg_get_psv psv;
46};
47
48#define MLX5E_TLS_SET_STATIC_PARAMS_WQEBBS \
49 (DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_static_params_wqe), MLX5_SEND_WQE_BB))
50
51#define MLX5E_TLS_SET_PROGRESS_PARAMS_WQEBBS \
52 (DIV_ROUND_UP(sizeof(struct mlx5e_set_tls_progress_params_wqe), MLX5_SEND_WQE_BB))
53
54#define MLX5E_KTLS_GET_PROGRESS_WQEBBS \
55 (DIV_ROUND_UP(sizeof(struct mlx5e_get_tls_progress_params_wqe), MLX5_SEND_WQE_BB))
56
57#define MLX5E_TLS_FETCH_SET_STATIC_PARAMS_WQE(sq, pi) \
58 ((struct mlx5e_set_tls_static_params_wqe *)\
59 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_static_params_wqe)))
60
61#define MLX5E_TLS_FETCH_SET_PROGRESS_PARAMS_WQE(sq, pi) \
62 ((struct mlx5e_set_tls_progress_params_wqe *)\
63 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_set_tls_progress_params_wqe)))
64
65#define MLX5E_TLS_FETCH_GET_PROGRESS_PARAMS_WQE(sq, pi) \
66 ((struct mlx5e_get_tls_progress_params_wqe *)\
67 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_get_tls_progress_params_wqe)))
68
69#define MLX5E_TLS_FETCH_DUMP_WQE(sq, pi) \
70 ((struct mlx5e_dump_wqe *)\
71 mlx5e_fetch_wqe(&(sq)->wq, pi, sizeof(struct mlx5e_dump_wqe)))
72
73void
74mlx5e_ktls_build_static_params(struct mlx5e_set_tls_static_params_wqe *wqe,
75 u16 pc, u32 sqn,
76 struct tls12_crypto_info_aes_gcm_128 *info,
77 u32 tis_tir_num, u32 key_id, u32 resync_tcp_sn,
78 bool fence, enum tls_offload_ctx_dir direction);
79void
80mlx5e_ktls_build_progress_params(struct mlx5e_set_tls_progress_params_wqe *wqe,
81 u16 pc, u32 sqn,
82 u32 tis_tir_num, bool fence,
83 u32 next_record_tcp_sn,
84 enum tls_offload_ctx_dir direction);
85
86#endif
87
