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#define TLS_RX_EXPECT_NO_PAD 4 /* Attempt opportunistic zero-copy */ 44 45/* Supported versions */ 46#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF) 47#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF) 48 49#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \ 50 ((id##_VERSION_MINOR) & 0xFF)) 51 52#define TLS_1_2_VERSION_MAJOR 0x3 53#define TLS_1_2_VERSION_MINOR 0x3 54#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2) 55 56#define TLS_1_3_VERSION_MAJOR 0x3 57#define TLS_1_3_VERSION_MINOR 0x4 58#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3) 59 60/* Supported ciphers */ 61#define TLS_CIPHER_AES_GCM_128 51 62#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8 63#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16 64#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4 65#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16 66#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8 67 68#define TLS_CIPHER_AES_GCM_256 52 69#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8 70#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32 71#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4 72#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16 73#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8 74 75#define TLS_CIPHER_AES_CCM_128 53 76#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8 77#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16 78#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4 79#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16 80#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8 81 82#define TLS_CIPHER_CHACHA20_POLY1305 54 83#define TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE 12 84#define TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE 32 85#define TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE 0 86#define TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE 16 87#define TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE 8 88 89#define TLS_CIPHER_SM4_GCM 55 90#define TLS_CIPHER_SM4_GCM_IV_SIZE 8 91#define TLS_CIPHER_SM4_GCM_KEY_SIZE 16 92#define TLS_CIPHER_SM4_GCM_SALT_SIZE 4 93#define TLS_CIPHER_SM4_GCM_TAG_SIZE 16 94#define TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE 8 95 96#define TLS_CIPHER_SM4_CCM 56 97#define TLS_CIPHER_SM4_CCM_IV_SIZE 8 98#define TLS_CIPHER_SM4_CCM_KEY_SIZE 16 99#define TLS_CIPHER_SM4_CCM_SALT_SIZE 4 100#define TLS_CIPHER_SM4_CCM_TAG_SIZE 16 101#define TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE 8 102 103#define TLS_CIPHER_ARIA_GCM_128 57 104#define TLS_CIPHER_ARIA_GCM_128_IV_SIZE 8 105#define TLS_CIPHER_ARIA_GCM_128_KEY_SIZE 16 106#define TLS_CIPHER_ARIA_GCM_128_SALT_SIZE 4 107#define TLS_CIPHER_ARIA_GCM_128_TAG_SIZE 16 108#define TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE 8 109 110#define TLS_CIPHER_ARIA_GCM_256 58 111#define TLS_CIPHER_ARIA_GCM_256_IV_SIZE 8 112#define TLS_CIPHER_ARIA_GCM_256_KEY_SIZE 32 113#define TLS_CIPHER_ARIA_GCM_256_SALT_SIZE 4 114#define TLS_CIPHER_ARIA_GCM_256_TAG_SIZE 16 115#define TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE 8 116 117#define TLS_SET_RECORD_TYPE 1 118#define TLS_GET_RECORD_TYPE 2 119 120struct tls_crypto_info { 121 __u16 version; 122 __u16 cipher_type; 123}; 124 125struct tls12_crypto_info_aes_gcm_128 { 126 struct tls_crypto_info info; 127 unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; 128 unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; 129 unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; 130 unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; 131}; 132 133struct tls12_crypto_info_aes_gcm_256 { 134 struct tls_crypto_info info; 135 unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE]; 136 unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE]; 137 unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE]; 138 unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE]; 139}; 140 141struct tls12_crypto_info_aes_ccm_128 { 142 struct tls_crypto_info info; 143 unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE]; 144 unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE]; 145 unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE]; 146 unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE]; 147}; 148 149struct tls12_crypto_info_chacha20_poly1305 { 150 struct tls_crypto_info info; 151 unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE]; 152 unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE]; 153 unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE]; 154 unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE]; 155}; 156 157struct tls12_crypto_info_sm4_gcm { 158 struct tls_crypto_info info; 159 unsigned char iv[TLS_CIPHER_SM4_GCM_IV_SIZE]; 160 unsigned char key[TLS_CIPHER_SM4_GCM_KEY_SIZE]; 161 unsigned char salt[TLS_CIPHER_SM4_GCM_SALT_SIZE]; 162 unsigned char rec_seq[TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE]; 163}; 164 165struct tls12_crypto_info_sm4_ccm { 166 struct tls_crypto_info info; 167 unsigned char iv[TLS_CIPHER_SM4_CCM_IV_SIZE]; 168 unsigned char key[TLS_CIPHER_SM4_CCM_KEY_SIZE]; 169 unsigned char salt[TLS_CIPHER_SM4_CCM_SALT_SIZE]; 170 unsigned char rec_seq[TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE]; 171}; 172 173struct tls12_crypto_info_aria_gcm_128 { 174 struct tls_crypto_info info; 175 unsigned char iv[TLS_CIPHER_ARIA_GCM_128_IV_SIZE]; 176 unsigned char key[TLS_CIPHER_ARIA_GCM_128_KEY_SIZE]; 177 unsigned char salt[TLS_CIPHER_ARIA_GCM_128_SALT_SIZE]; 178 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE]; 179}; 180 181struct tls12_crypto_info_aria_gcm_256 { 182 struct tls_crypto_info info; 183 unsigned char iv[TLS_CIPHER_ARIA_GCM_256_IV_SIZE]; 184 unsigned char key[TLS_CIPHER_ARIA_GCM_256_KEY_SIZE]; 185 unsigned char salt[TLS_CIPHER_ARIA_GCM_256_SALT_SIZE]; 186 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE]; 187}; 188 189enum { 190 TLS_INFO_UNSPEC, 191 TLS_INFO_VERSION, 192 TLS_INFO_CIPHER, 193 TLS_INFO_TXCONF, 194 TLS_INFO_RXCONF, 195 TLS_INFO_ZC_RO_TX, 196 TLS_INFO_RX_NO_PAD, 197 __TLS_INFO_MAX, 198}; 199#define TLS_INFO_MAX (__TLS_INFO_MAX - 1) 200 201#define TLS_CONF_BASE 1 202#define TLS_CONF_SW 2 203#define TLS_CONF_HW 3 204#define TLS_CONF_HW_RECORD 4 205 206#endif /* _UAPI_LINUX_TLS_H */ 207