~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/include/linux/mlx5/accel.h

Version: ~ [ linux-5.10-rc6 ] ~ [ linux-5.9.12 ] ~ [ linux-5.8.18 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.81 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.161 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.210 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.247 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.247 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * Copyright (c) 2018 Mellanox Technologies. All rights reserved.
  3  *
  4  * This software is available to you under a choice of one of two
  5  * licenses.  You may choose to be licensed under the terms of the GNU
  6  * General Public License (GPL) Version 2, available from the file
  7  * COPYING in the main directory of this source tree, or the
  8  * OpenIB.org BSD license below:
  9  *
 10  *     Redistribution and use in source and binary forms, with or
 11  *     without modification, are permitted provided that the following
 12  *     conditions are met:
 13  *
 14  *      - Redistributions of source code must retain the above
 15  *        copyright notice, this list of conditions and the following
 16  *        disclaimer.
 17  *
 18  *      - Redistributions in binary form must reproduce the above
 19  *        copyright notice, this list of conditions and the following
 20  *        disclaimer in the documentation and/or other materials
 21  *        provided with the distribution.
 22  *
 23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 30  * SOFTWARE.
 31  *
 32  */
 33 
 34 #ifndef __MLX5_ACCEL_H__
 35 #define __MLX5_ACCEL_H__
 36 
 37 #include <linux/mlx5/driver.h>
 38 
 39 enum mlx5_accel_esp_aes_gcm_keymat_iv_algo {
 40         MLX5_ACCEL_ESP_AES_GCM_IV_ALGO_SEQ,
 41 };
 42 
 43 enum mlx5_accel_esp_flags {
 44         MLX5_ACCEL_ESP_FLAGS_TUNNEL            = 0,    /* Default */
 45         MLX5_ACCEL_ESP_FLAGS_TRANSPORT         = 1UL << 0,
 46         MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED     = 1UL << 1,
 47         MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP = 1UL << 2,
 48 };
 49 
 50 enum mlx5_accel_esp_action {
 51         MLX5_ACCEL_ESP_ACTION_DECRYPT,
 52         MLX5_ACCEL_ESP_ACTION_ENCRYPT,
 53 };
 54 
 55 enum mlx5_accel_esp_keymats {
 56         MLX5_ACCEL_ESP_KEYMAT_AES_NONE,
 57         MLX5_ACCEL_ESP_KEYMAT_AES_GCM,
 58 };
 59 
 60 enum mlx5_accel_esp_replay {
 61         MLX5_ACCEL_ESP_REPLAY_NONE,
 62         MLX5_ACCEL_ESP_REPLAY_BMP,
 63 };
 64 
 65 struct aes_gcm_keymat {
 66         u64   seq_iv;
 67         enum mlx5_accel_esp_aes_gcm_keymat_iv_algo iv_algo;
 68 
 69         u32   salt;
 70         u32   icv_len;
 71 
 72         u32   key_len;
 73         u32   aes_key[256 / 32];
 74 };
 75 
 76 struct mlx5_accel_esp_xfrm_attrs {
 77         enum mlx5_accel_esp_action action;
 78         u32   esn;
 79         __be32 spi;
 80         u32   seq;
 81         u32   tfc_pad;
 82         u32   flags;
 83         u32   sa_handle;
 84         enum mlx5_accel_esp_replay replay_type;
 85         union {
 86                 struct {
 87                         u32 size;
 88 
 89                 } bmp;
 90         } replay;
 91         enum mlx5_accel_esp_keymats keymat_type;
 92         union {
 93                 struct aes_gcm_keymat aes_gcm;
 94         } keymat;
 95 
 96         union {
 97                 __be32 a4;
 98                 __be32 a6[4];
 99         } saddr;
100 
101         union {
102                 __be32 a4;
103                 __be32 a6[4];
104         } daddr;
105 
106         u8 is_ipv6;
107 };
108 
109 struct mlx5_accel_esp_xfrm {
110         struct mlx5_core_dev  *mdev;
111         struct mlx5_accel_esp_xfrm_attrs attrs;
112 };
113 
114 enum {
115         MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA = 1UL << 0,
116 };
117 
118 enum mlx5_accel_ipsec_cap {
119         MLX5_ACCEL_IPSEC_CAP_DEVICE             = 1 << 0,
120         MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA  = 1 << 1,
121         MLX5_ACCEL_IPSEC_CAP_ESP                = 1 << 2,
122         MLX5_ACCEL_IPSEC_CAP_IPV6               = 1 << 3,
123         MLX5_ACCEL_IPSEC_CAP_LSO                = 1 << 4,
124         MLX5_ACCEL_IPSEC_CAP_RX_NO_TRAILER      = 1 << 5,
125         MLX5_ACCEL_IPSEC_CAP_ESN                = 1 << 6,
126         MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN       = 1 << 7,
127 };
128 
129 #ifdef CONFIG_MLX5_ACCEL
130 
131 u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev);
132 
133 struct mlx5_accel_esp_xfrm *
134 mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
135                            const struct mlx5_accel_esp_xfrm_attrs *attrs,
136                            u32 flags);
137 void mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm);
138 int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
139                                const struct mlx5_accel_esp_xfrm_attrs *attrs);
140 
141 #else
142 
143 static inline u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev) { return 0; }
144 
145 static inline struct mlx5_accel_esp_xfrm *
146 mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
147                            const struct mlx5_accel_esp_xfrm_attrs *attrs,
148                            u32 flags) { return ERR_PTR(-EOPNOTSUPP); }
149 static inline void
150 mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm) {}
151 static inline int
152 mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
153                            const struct mlx5_accel_esp_xfrm_attrs *attrs) { return -EOPNOTSUPP; }
154 
155 #endif /* CONFIG_MLX5_ACCEL */
156 #endif /* __MLX5_ACCEL_H__ */
157 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp