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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 _LINUX_TLS_H
35#define _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
45/* Supported versions */
46#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)
47#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF)
48
49#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \
50 ((id##_VERSION_MINOR) & 0xFF))
51
52#define TLS_1_2_VERSION_MAJOR 0x3
53#define TLS_1_2_VERSION_MINOR 0x3
54#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2)
55
56#define TLS_1_3_VERSION_MAJOR 0x3
57#define TLS_1_3_VERSION_MINOR 0x4
58#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3)
59
60/* Supported ciphers */
61#define TLS_CIPHER_AES_GCM_128 51
62#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8
63#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16
64#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4
65#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16
66#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8
67
68#define TLS_CIPHER_AES_GCM_256 52
69#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8
70#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32
71#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4
72#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16
73#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8
74
75#define TLS_CIPHER_AES_CCM_128 53
76#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8
77#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16
78#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4
79#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16
80#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8
81
82#define TLS_CIPHER_CHACHA20_POLY1305 54
83#define TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE 12
84#define TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE 32
85#define TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE 0
86#define TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE 16
87#define TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE 8
88
89#define TLS_CIPHER_SM4_GCM 55
90#define TLS_CIPHER_SM4_GCM_IV_SIZE 8
91#define TLS_CIPHER_SM4_GCM_KEY_SIZE 16
92#define TLS_CIPHER_SM4_GCM_SALT_SIZE 4
93#define TLS_CIPHER_SM4_GCM_TAG_SIZE 16
94#define TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE 8
95
96#define TLS_CIPHER_SM4_CCM 56
97#define TLS_CIPHER_SM4_CCM_IV_SIZE 8
98#define TLS_CIPHER_SM4_CCM_KEY_SIZE 16
99#define TLS_CIPHER_SM4_CCM_SALT_SIZE 4
100#define TLS_CIPHER_SM4_CCM_TAG_SIZE 16
101#define TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE 8
102
103#define TLS_CIPHER_ARIA_GCM_128 57
104#define TLS_CIPHER_ARIA_GCM_128_IV_SIZE 8
105#define TLS_CIPHER_ARIA_GCM_128_KEY_SIZE 16
106#define TLS_CIPHER_ARIA_GCM_128_SALT_SIZE 4
107#define TLS_CIPHER_ARIA_GCM_128_TAG_SIZE 16
108#define TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE 8
109
110#define TLS_CIPHER_ARIA_GCM_256 58
111#define TLS_CIPHER_ARIA_GCM_256_IV_SIZE 8
112#define TLS_CIPHER_ARIA_GCM_256_KEY_SIZE 32
113#define TLS_CIPHER_ARIA_GCM_256_SALT_SIZE 4
114#define TLS_CIPHER_ARIA_GCM_256_TAG_SIZE 16
115#define TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE 8
116
117#define TLS_SET_RECORD_TYPE 1
118#define TLS_GET_RECORD_TYPE 2
119
120struct tls_crypto_info {
121 __u16 version;
122 __u16 cipher_type;
123};
124
125struct tls12_crypto_info_aes_gcm_128 {
126 struct tls_crypto_info info;
127 unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
128 unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
129 unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
130 unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
131};
132
133struct tls12_crypto_info_aes_gcm_256 {
134 struct tls_crypto_info info;
135 unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE];
136 unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];
137 unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE];
138 unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE];
139};
140
141struct tls12_crypto_info_aes_ccm_128 {
142 struct tls_crypto_info info;
143 unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];
144 unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
145 unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE];
146 unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];
147};
148
149struct tls12_crypto_info_chacha20_poly1305 {
150 struct tls_crypto_info info;
151 unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE];
152 unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE];
153 unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE];
154 unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE];
155};
156
157struct tls12_crypto_info_sm4_gcm {
158 struct tls_crypto_info info;
159 unsigned char iv[TLS_CIPHER_SM4_GCM_IV_SIZE];
160 unsigned char key[TLS_CIPHER_SM4_GCM_KEY_SIZE];
161 unsigned char salt[TLS_CIPHER_SM4_GCM_SALT_SIZE];
162 unsigned char rec_seq[TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE];
163};
164
165struct tls12_crypto_info_sm4_ccm {
166 struct tls_crypto_info info;
167 unsigned char iv[TLS_CIPHER_SM4_CCM_IV_SIZE];
168 unsigned char key[TLS_CIPHER_SM4_CCM_KEY_SIZE];
169 unsigned char salt[TLS_CIPHER_SM4_CCM_SALT_SIZE];
170 unsigned char rec_seq[TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE];
171};
172
173struct tls12_crypto_info_aria_gcm_128 {
174 struct tls_crypto_info info;
175 unsigned char iv[TLS_CIPHER_ARIA_GCM_128_IV_SIZE];
176 unsigned char key[TLS_CIPHER_ARIA_GCM_128_KEY_SIZE];
177 unsigned char salt[TLS_CIPHER_ARIA_GCM_128_SALT_SIZE];
178 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE];
179};
180
181struct tls12_crypto_info_aria_gcm_256 {
182 struct tls_crypto_info info;
183 unsigned char iv[TLS_CIPHER_ARIA_GCM_256_IV_SIZE];
184 unsigned char key[TLS_CIPHER_ARIA_GCM_256_KEY_SIZE];
185 unsigned char salt[TLS_CIPHER_ARIA_GCM_256_SALT_SIZE];
186 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE];
187};
188
189enum {
190 TLS_INFO_UNSPEC,
191 TLS_INFO_VERSION,
192 TLS_INFO_CIPHER,
193 TLS_INFO_TXCONF,
194 TLS_INFO_RXCONF,
195 TLS_INFO_ZC_RO_TX,
196 TLS_INFO_RX_NO_PAD,
197 __TLS_INFO_MAX,
198};
199#define TLS_INFO_MAX (__TLS_INFO_MAX - 1)
200
201#define TLS_CONF_BASE 1
202#define TLS_CONF_SW 2
203#define TLS_CONF_HW 3
204#define TLS_CONF_HW_RECORD 4
205
206#endif /* _LINUX_TLS_H */