1*421f4292SDaniel Borkmann /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ 2*421f4292SDaniel Borkmann /* 3*421f4292SDaniel Borkmann * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved. 4*421f4292SDaniel Borkmann * 5*421f4292SDaniel Borkmann * This software is available to you under a choice of one of two 6*421f4292SDaniel Borkmann * licenses. You may choose to be licensed under the terms of the GNU 7*421f4292SDaniel Borkmann * General Public License (GPL) Version 2, available from the file 8*421f4292SDaniel Borkmann * COPYING in the main directory of this source tree, or the 9*421f4292SDaniel Borkmann * OpenIB.org BSD license below: 10*421f4292SDaniel Borkmann * 11*421f4292SDaniel Borkmann * Redistribution and use in source and binary forms, with or 12*421f4292SDaniel Borkmann * without modification, are permitted provided that the following 13*421f4292SDaniel Borkmann * conditions are met: 14*421f4292SDaniel Borkmann * 15*421f4292SDaniel Borkmann * - Redistributions of source code must retain the above 16*421f4292SDaniel Borkmann * copyright notice, this list of conditions and the following 17*421f4292SDaniel Borkmann * disclaimer. 18*421f4292SDaniel Borkmann * 19*421f4292SDaniel Borkmann * - Redistributions in binary form must reproduce the above 20*421f4292SDaniel Borkmann * copyright notice, this list of conditions and the following 21*421f4292SDaniel Borkmann * disclaimer in the documentation and/or other materials 22*421f4292SDaniel Borkmann * provided with the distribution. 23*421f4292SDaniel Borkmann * 24*421f4292SDaniel Borkmann * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25*421f4292SDaniel Borkmann * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26*421f4292SDaniel Borkmann * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27*421f4292SDaniel Borkmann * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28*421f4292SDaniel Borkmann * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29*421f4292SDaniel Borkmann * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30*421f4292SDaniel Borkmann * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31*421f4292SDaniel Borkmann * SOFTWARE. 32*421f4292SDaniel Borkmann */ 33*421f4292SDaniel Borkmann 34*421f4292SDaniel Borkmann #ifndef _UAPI_LINUX_TLS_H 35*421f4292SDaniel Borkmann #define _UAPI_LINUX_TLS_H 36*421f4292SDaniel Borkmann 37*421f4292SDaniel Borkmann #include <linux/types.h> 38*421f4292SDaniel Borkmann 39*421f4292SDaniel Borkmann /* TLS socket options */ 40*421f4292SDaniel Borkmann #define TLS_TX 1 /* Set transmit parameters */ 41*421f4292SDaniel Borkmann #define TLS_RX 2 /* Set receive parameters */ 42*421f4292SDaniel Borkmann 43*421f4292SDaniel Borkmann /* Supported versions */ 44*421f4292SDaniel Borkmann #define TLS_VERSION_MINOR(ver) ((ver) & 0xFF) 45*421f4292SDaniel Borkmann #define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF) 46*421f4292SDaniel Borkmann 47*421f4292SDaniel Borkmann #define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \ 48*421f4292SDaniel Borkmann ((id##_VERSION_MINOR) & 0xFF)) 49*421f4292SDaniel Borkmann 50*421f4292SDaniel Borkmann #define TLS_1_2_VERSION_MAJOR 0x3 51*421f4292SDaniel Borkmann #define TLS_1_2_VERSION_MINOR 0x3 52*421f4292SDaniel Borkmann #define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2) 53*421f4292SDaniel Borkmann 54*421f4292SDaniel Borkmann /* Supported ciphers */ 55*421f4292SDaniel Borkmann #define TLS_CIPHER_AES_GCM_128 51 56*421f4292SDaniel Borkmann #define TLS_CIPHER_AES_GCM_128_IV_SIZE 8 57*421f4292SDaniel Borkmann #define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16 58*421f4292SDaniel Borkmann #define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4 59*421f4292SDaniel Borkmann #define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16 60*421f4292SDaniel Borkmann #define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8 61*421f4292SDaniel Borkmann 62*421f4292SDaniel Borkmann #define TLS_SET_RECORD_TYPE 1 63*421f4292SDaniel Borkmann #define TLS_GET_RECORD_TYPE 2 64*421f4292SDaniel Borkmann 65*421f4292SDaniel Borkmann struct tls_crypto_info { 66*421f4292SDaniel Borkmann __u16 version; 67*421f4292SDaniel Borkmann __u16 cipher_type; 68*421f4292SDaniel Borkmann }; 69*421f4292SDaniel Borkmann 70*421f4292SDaniel Borkmann struct tls12_crypto_info_aes_gcm_128 { 71*421f4292SDaniel Borkmann struct tls_crypto_info info; 72*421f4292SDaniel Borkmann unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; 73*421f4292SDaniel Borkmann unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; 74*421f4292SDaniel Borkmann unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; 75*421f4292SDaniel Borkmann unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; 76*421f4292SDaniel Borkmann }; 77*421f4292SDaniel Borkmann 78*421f4292SDaniel Borkmann #endif /* _UAPI_LINUX_TLS_H */ 79