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_SET_RECORD_TYPE 1 104 #define TLS_GET_RECORD_TYPE 2 105 106 struct tls_crypto_info { 107 __u16 version; 108 __u16 cipher_type; 109 }; 110 111 struct tls12_crypto_info_aes_gcm_128 { 112 struct tls_crypto_info info; 113 unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; 114 unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; 115 unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; 116 unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; 117 }; 118 119 struct tls12_crypto_info_aes_gcm_256 { 120 struct tls_crypto_info info; 121 unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE]; 122 unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE]; 123 unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE]; 124 unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE]; 125 }; 126 127 struct tls12_crypto_info_aes_ccm_128 { 128 struct tls_crypto_info info; 129 unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE]; 130 unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE]; 131 unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE]; 132 unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE]; 133 }; 134 135 struct tls12_crypto_info_chacha20_poly1305 { 136 struct tls_crypto_info info; 137 unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE]; 138 unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE]; 139 unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE]; 140 unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE]; 141 }; 142 143 struct tls12_crypto_info_sm4_gcm { 144 struct tls_crypto_info info; 145 unsigned char iv[TLS_CIPHER_SM4_GCM_IV_SIZE]; 146 unsigned char key[TLS_CIPHER_SM4_GCM_KEY_SIZE]; 147 unsigned char salt[TLS_CIPHER_SM4_GCM_SALT_SIZE]; 148 unsigned char rec_seq[TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE]; 149 }; 150 151 struct tls12_crypto_info_sm4_ccm { 152 struct tls_crypto_info info; 153 unsigned char iv[TLS_CIPHER_SM4_CCM_IV_SIZE]; 154 unsigned char key[TLS_CIPHER_SM4_CCM_KEY_SIZE]; 155 unsigned char salt[TLS_CIPHER_SM4_CCM_SALT_SIZE]; 156 unsigned char rec_seq[TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE]; 157 }; 158 159 enum { 160 TLS_INFO_UNSPEC, 161 TLS_INFO_VERSION, 162 TLS_INFO_CIPHER, 163 TLS_INFO_TXCONF, 164 TLS_INFO_RXCONF, 165 TLS_INFO_ZC_RO_TX, 166 TLS_INFO_RX_NO_PAD, 167 __TLS_INFO_MAX, 168 }; 169 #define TLS_INFO_MAX (__TLS_INFO_MAX - 1) 170 171 #define TLS_CONF_BASE 1 172 #define TLS_CONF_SW 2 173 #define TLS_CONF_HW 3 174 #define TLS_CONF_HW_RECORD 4 175 176 #endif /* _UAPI_LINUX_TLS_H */ 177