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 */ 79