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 _UAPI_LINUX_TLS_H 35#define _UAPI_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 44/* Supported versions */ 45#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF) 46#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF) 47 48#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \ 49 ((id##_VERSION_MINOR) & 0xFF)) 50 51#define TLS_1_2_VERSION_MAJOR 0x3 52#define TLS_1_2_VERSION_MINOR 0x3 53#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2) 54 55#define TLS_1_3_VERSION_MAJOR 0x3 56#define TLS_1_3_VERSION_MINOR 0x4 57#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3) 58 59/* Supported ciphers */ 60#define TLS_CIPHER_AES_GCM_128 51 61#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8 62#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16 63#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4 64#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16 65#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8 66 67#define TLS_CIPHER_AES_GCM_256 52 68#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8 69#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32 70#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4 71#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16 72#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8 73 74#define TLS_CIPHER_AES_CCM_128 53 75#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8 76#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16 77#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4 78#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16 79#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8 80 81#define TLS_CIPHER_CHACHA20_POLY1305 54 82#define TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE 12 83#define TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE 32 84#define TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE 0 85#define TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE 16 86#define TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE 8 87 88#define TLS_CIPHER_SM4_GCM 55 89#define TLS_CIPHER_SM4_GCM_IV_SIZE 8 90#define TLS_CIPHER_SM4_GCM_KEY_SIZE 16 91#define TLS_CIPHER_SM4_GCM_SALT_SIZE 4 92#define TLS_CIPHER_SM4_GCM_TAG_SIZE 16 93#define TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE 8 94 95#define TLS_CIPHER_SM4_CCM 56 96#define TLS_CIPHER_SM4_CCM_IV_SIZE 8 97#define TLS_CIPHER_SM4_CCM_KEY_SIZE 16 98#define TLS_CIPHER_SM4_CCM_SALT_SIZE 4 99#define TLS_CIPHER_SM4_CCM_TAG_SIZE 16 100#define TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE 8 101 102#define TLS_SET_RECORD_TYPE 1 103#define TLS_GET_RECORD_TYPE 2 104 105struct tls_crypto_info { 106 __u16 version; 107 __u16 cipher_type; 108}; 109 110struct tls12_crypto_info_aes_gcm_128 { 111 struct tls_crypto_info info; 112 unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; 113 unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; 114 unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; 115 unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; 116}; 117 118struct tls12_crypto_info_aes_gcm_256 { 119 struct tls_crypto_info info; 120 unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE]; 121 unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE]; 122 unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE]; 123 unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE]; 124}; 125 126struct tls12_crypto_info_aes_ccm_128 { 127 struct tls_crypto_info info; 128 unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE]; 129 unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE]; 130 unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE]; 131 unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE]; 132}; 133 134struct tls12_crypto_info_chacha20_poly1305 { 135 struct tls_crypto_info info; 136 unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE]; 137 unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE]; 138 unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE]; 139 unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE]; 140}; 141 142struct tls12_crypto_info_sm4_gcm { 143 struct tls_crypto_info info; 144 unsigned char iv[TLS_CIPHER_SM4_GCM_IV_SIZE]; 145 unsigned char key[TLS_CIPHER_SM4_GCM_KEY_SIZE]; 146 unsigned char salt[TLS_CIPHER_SM4_GCM_SALT_SIZE]; 147 unsigned char rec_seq[TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE]; 148}; 149 150struct tls12_crypto_info_sm4_ccm { 151 struct tls_crypto_info info; 152 unsigned char iv[TLS_CIPHER_SM4_CCM_IV_SIZE]; 153 unsigned char key[TLS_CIPHER_SM4_CCM_KEY_SIZE]; 154 unsigned char salt[TLS_CIPHER_SM4_CCM_SALT_SIZE]; 155 unsigned char rec_seq[TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE]; 156}; 157 158enum { 159 TLS_INFO_UNSPEC, 160 TLS_INFO_VERSION, 161 TLS_INFO_CIPHER, 162 TLS_INFO_TXCONF, 163 TLS_INFO_RXCONF, 164 TLS_INFO_ZC_RO_TX, 165 __TLS_INFO_MAX, 166}; 167#define TLS_INFO_MAX (__TLS_INFO_MAX - 1) 168 169#define TLS_CONF_BASE 1 170#define TLS_CONF_SW 2 171#define TLS_CONF_HW 3 172#define TLS_CONF_HW_RECORD 4 173 174#endif /* _UAPI_LINUX_TLS_H */ 175