xref: /OK3568_Linux_fs/kernel/tools/include/uapi/linux/tls.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * This software is available to you under a choice of one of two
6*4882a593Smuzhiyun  * licenses.  You may choose to be licensed under the terms of the GNU
7*4882a593Smuzhiyun  * General Public License (GPL) Version 2, available from the file
8*4882a593Smuzhiyun  * COPYING in the main directory of this source tree, or the
9*4882a593Smuzhiyun  * OpenIB.org BSD license below:
10*4882a593Smuzhiyun  *
11*4882a593Smuzhiyun  *     Redistribution and use in source and binary forms, with or
12*4882a593Smuzhiyun  *     without modification, are permitted provided that the following
13*4882a593Smuzhiyun  *     conditions are met:
14*4882a593Smuzhiyun  *
15*4882a593Smuzhiyun  *      - Redistributions of source code must retain the above
16*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
17*4882a593Smuzhiyun  *        disclaimer.
18*4882a593Smuzhiyun  *
19*4882a593Smuzhiyun  *      - Redistributions in binary form must reproduce the above
20*4882a593Smuzhiyun  *        copyright notice, this list of conditions and the following
21*4882a593Smuzhiyun  *        disclaimer in the documentation and/or other materials
22*4882a593Smuzhiyun  *        provided with the distribution.
23*4882a593Smuzhiyun  *
24*4882a593Smuzhiyun  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25*4882a593Smuzhiyun  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26*4882a593Smuzhiyun  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27*4882a593Smuzhiyun  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28*4882a593Smuzhiyun  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29*4882a593Smuzhiyun  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30*4882a593Smuzhiyun  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31*4882a593Smuzhiyun  * SOFTWARE.
32*4882a593Smuzhiyun  */
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #ifndef _UAPI_LINUX_TLS_H
35*4882a593Smuzhiyun #define _UAPI_LINUX_TLS_H
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #include <linux/types.h>
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun /* TLS socket options */
40*4882a593Smuzhiyun #define TLS_TX			1	/* Set transmit parameters */
41*4882a593Smuzhiyun #define TLS_RX			2	/* Set receive parameters */
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun /* Supported versions */
44*4882a593Smuzhiyun #define TLS_VERSION_MINOR(ver)	((ver) & 0xFF)
45*4882a593Smuzhiyun #define TLS_VERSION_MAJOR(ver)	(((ver) >> 8) & 0xFF)
46*4882a593Smuzhiyun 
47*4882a593Smuzhiyun #define TLS_VERSION_NUMBER(id)	((((id##_VERSION_MAJOR) & 0xFF) << 8) |	\
48*4882a593Smuzhiyun 				 ((id##_VERSION_MINOR) & 0xFF))
49*4882a593Smuzhiyun 
50*4882a593Smuzhiyun #define TLS_1_2_VERSION_MAJOR	0x3
51*4882a593Smuzhiyun #define TLS_1_2_VERSION_MINOR	0x3
52*4882a593Smuzhiyun #define TLS_1_2_VERSION		TLS_VERSION_NUMBER(TLS_1_2)
53*4882a593Smuzhiyun 
54*4882a593Smuzhiyun /* Supported ciphers */
55*4882a593Smuzhiyun #define TLS_CIPHER_AES_GCM_128				51
56*4882a593Smuzhiyun #define TLS_CIPHER_AES_GCM_128_IV_SIZE			8
57*4882a593Smuzhiyun #define TLS_CIPHER_AES_GCM_128_KEY_SIZE		16
58*4882a593Smuzhiyun #define TLS_CIPHER_AES_GCM_128_SALT_SIZE		4
59*4882a593Smuzhiyun #define TLS_CIPHER_AES_GCM_128_TAG_SIZE		16
60*4882a593Smuzhiyun #define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE		8
61*4882a593Smuzhiyun 
62*4882a593Smuzhiyun #define TLS_SET_RECORD_TYPE	1
63*4882a593Smuzhiyun #define TLS_GET_RECORD_TYPE	2
64*4882a593Smuzhiyun 
65*4882a593Smuzhiyun struct tls_crypto_info {
66*4882a593Smuzhiyun 	__u16 version;
67*4882a593Smuzhiyun 	__u16 cipher_type;
68*4882a593Smuzhiyun };
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun struct tls12_crypto_info_aes_gcm_128 {
71*4882a593Smuzhiyun 	struct tls_crypto_info info;
72*4882a593Smuzhiyun 	unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
73*4882a593Smuzhiyun 	unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
74*4882a593Smuzhiyun 	unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
75*4882a593Smuzhiyun 	unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
76*4882a593Smuzhiyun };
77*4882a593Smuzhiyun 
78*4882a593Smuzhiyun #endif /* _UAPI_LINUX_TLS_H */
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