1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */ 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 #include <asm/byteorder.h> 39 #include <linux/socket.h> 40 #include <linux/tcp.h> 41 #include <net/tcp.h> 42 43 /* TLS socket options */ 44 #define TLS_TX 1 /* Set transmit parameters */ 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 /* Supported ciphers */ 58 #define TLS_CIPHER_AES_GCM_128 51 59 #define TLS_CIPHER_AES_GCM_128_IV_SIZE 8 60 #define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16 61 #define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4 62 #define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16 63 #define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8 64 65 #define TLS_SET_RECORD_TYPE 1 66 67 struct tls_crypto_info { 68 __u16 version; 69 __u16 cipher_type; 70 }; 71 72 struct tls12_crypto_info_aes_gcm_128 { 73 struct tls_crypto_info info; 74 unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; 75 unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; 76 unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; 77 unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; 78 }; 79 80 #endif /* _UAPI_LINUX_TLS_H */ 81