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1/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2/*
3 * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses. You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 * Redistribution and use in source and binary forms, with or
12 * without modification, are permitted provided that the following
13 * conditions are met:
14 *
15 * - Redistributions of source code must retain the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer.
18 *
19 * - Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 */
33
34#ifndef _UAPI_LINUX_TLS_H
35#define _UAPI_LINUX_TLS_H
36
37#include <linux/types.h>
38
39/* TLS socket options */
40#define TLS_TX 1 /* Set transmit parameters */
41#define TLS_RX 2 /* Set receive parameters */
42#define TLS_TX_ZEROCOPY_RO 3 /* TX zerocopy (only sendfile now) */
43#define TLS_RX_EXPECT_NO_PAD 4 /* Attempt opportunistic zero-copy */
44#define TLS_TX_MAX_PAYLOAD_LEN 5 /* Maximum plaintext size */
45
46/* Supported versions */
47#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)
48#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF)
49
50#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \
51 ((id##_VERSION_MINOR) & 0xFF))
52
53#define TLS_1_2_VERSION_MAJOR 0x3
54#define TLS_1_2_VERSION_MINOR 0x3
55#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2)
56
57#define TLS_1_3_VERSION_MAJOR 0x3
58#define TLS_1_3_VERSION_MINOR 0x4
59#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3)
60
61/* Supported ciphers */
62#define TLS_CIPHER_AES_GCM_128 51
63#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8
64#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16
65#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4
66#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16
67#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8
68
69#define TLS_CIPHER_AES_GCM_256 52
70#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8
71#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32
72#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4
73#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16
74#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8
75
76#define TLS_CIPHER_AES_CCM_128 53
77#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8
78#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16
79#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4
80#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16
81#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8
82
83#define TLS_CIPHER_CHACHA20_POLY1305 54
84#define TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE 12
85#define TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE 32
86#define TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE 0
87#define TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE 16
88#define TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE 8
89
90#define TLS_CIPHER_SM4_GCM 55
91#define TLS_CIPHER_SM4_GCM_IV_SIZE 8
92#define TLS_CIPHER_SM4_GCM_KEY_SIZE 16
93#define TLS_CIPHER_SM4_GCM_SALT_SIZE 4
94#define TLS_CIPHER_SM4_GCM_TAG_SIZE 16
95#define TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE 8
96
97#define TLS_CIPHER_SM4_CCM 56
98#define TLS_CIPHER_SM4_CCM_IV_SIZE 8
99#define TLS_CIPHER_SM4_CCM_KEY_SIZE 16
100#define TLS_CIPHER_SM4_CCM_SALT_SIZE 4
101#define TLS_CIPHER_SM4_CCM_TAG_SIZE 16
102#define TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE 8
103
104#define TLS_CIPHER_ARIA_GCM_128 57
105#define TLS_CIPHER_ARIA_GCM_128_IV_SIZE 8
106#define TLS_CIPHER_ARIA_GCM_128_KEY_SIZE 16
107#define TLS_CIPHER_ARIA_GCM_128_SALT_SIZE 4
108#define TLS_CIPHER_ARIA_GCM_128_TAG_SIZE 16
109#define TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE 8
110
111#define TLS_CIPHER_ARIA_GCM_256 58
112#define TLS_CIPHER_ARIA_GCM_256_IV_SIZE 8
113#define TLS_CIPHER_ARIA_GCM_256_KEY_SIZE 32
114#define TLS_CIPHER_ARIA_GCM_256_SALT_SIZE 4
115#define TLS_CIPHER_ARIA_GCM_256_TAG_SIZE 16
116#define TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE 8
117
118#define TLS_SET_RECORD_TYPE 1
119#define TLS_GET_RECORD_TYPE 2
120
121struct tls_crypto_info {
122 __u16 version;
123 __u16 cipher_type;
124};
125
126struct tls12_crypto_info_aes_gcm_128 {
127 struct tls_crypto_info info;
128 unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
129 unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
130 unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
131 unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
132};
133
134struct tls12_crypto_info_aes_gcm_256 {
135 struct tls_crypto_info info;
136 unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE];
137 unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];
138 unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE];
139 unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE];
140};
141
142struct tls12_crypto_info_aes_ccm_128 {
143 struct tls_crypto_info info;
144 unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];
145 unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
146 unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE];
147 unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];
148};
149
150struct tls12_crypto_info_chacha20_poly1305 {
151 struct tls_crypto_info info;
152 unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE];
153 unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE];
154 unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE];
155 unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE];
156};
157
158struct tls12_crypto_info_sm4_gcm {
159 struct tls_crypto_info info;
160 unsigned char iv[TLS_CIPHER_SM4_GCM_IV_SIZE];
161 unsigned char key[TLS_CIPHER_SM4_GCM_KEY_SIZE];
162 unsigned char salt[TLS_CIPHER_SM4_GCM_SALT_SIZE];
163 unsigned char rec_seq[TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE];
164};
165
166struct tls12_crypto_info_sm4_ccm {
167 struct tls_crypto_info info;
168 unsigned char iv[TLS_CIPHER_SM4_CCM_IV_SIZE];
169 unsigned char key[TLS_CIPHER_SM4_CCM_KEY_SIZE];
170 unsigned char salt[TLS_CIPHER_SM4_CCM_SALT_SIZE];
171 unsigned char rec_seq[TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE];
172};
173
174struct tls12_crypto_info_aria_gcm_128 {
175 struct tls_crypto_info info;
176 unsigned char iv[TLS_CIPHER_ARIA_GCM_128_IV_SIZE];
177 unsigned char key[TLS_CIPHER_ARIA_GCM_128_KEY_SIZE];
178 unsigned char salt[TLS_CIPHER_ARIA_GCM_128_SALT_SIZE];
179 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE];
180};
181
182struct tls12_crypto_info_aria_gcm_256 {
183 struct tls_crypto_info info;
184 unsigned char iv[TLS_CIPHER_ARIA_GCM_256_IV_SIZE];
185 unsigned char key[TLS_CIPHER_ARIA_GCM_256_KEY_SIZE];
186 unsigned char salt[TLS_CIPHER_ARIA_GCM_256_SALT_SIZE];
187 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE];
188};
189
190enum {
191 TLS_INFO_UNSPEC,
192 TLS_INFO_VERSION,
193 TLS_INFO_CIPHER,
194 TLS_INFO_TXCONF,
195 TLS_INFO_RXCONF,
196 TLS_INFO_ZC_RO_TX,
197 TLS_INFO_RX_NO_PAD,
198 TLS_INFO_TX_MAX_PAYLOAD_LEN,
199 __TLS_INFO_MAX,
200};
201#define TLS_INFO_MAX (__TLS_INFO_MAX - 1)
202
203#define TLS_CONF_BASE 1
204#define TLS_CONF_SW 2
205#define TLS_CONF_HW 3
206#define TLS_CONF_HW_RECORD 4
207
208#endif /* _UAPI_LINUX_TLS_H */