/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
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/*
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* Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _UAPI_LINUX_TLS_H
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#define _UAPI_LINUX_TLS_H
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#include <linux/types.h>
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/* TLS socket options */
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#define TLS_TX 1 /* Set transmit parameters */
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#define TLS_RX 2 /* Set receive parameters */
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/* Supported versions */
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#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)
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#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF)
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#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \
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((id##_VERSION_MINOR) & 0xFF))
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#define TLS_1_2_VERSION_MAJOR 0x3
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#define TLS_1_2_VERSION_MINOR 0x3
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#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2)
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#define TLS_1_3_VERSION_MAJOR 0x3
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#define TLS_1_3_VERSION_MINOR 0x4
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#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3)
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/* Supported ciphers */
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#define TLS_CIPHER_AES_GCM_128 51
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#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8
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#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16
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#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4
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#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16
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#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8
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#define TLS_CIPHER_AES_GCM_256 52
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#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8
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#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32
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#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4
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#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16
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#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8
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#define TLS_CIPHER_AES_CCM_128 53
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#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8
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#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16
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#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4
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#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16
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#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8
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#define TLS_SET_RECORD_TYPE 1
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#define TLS_GET_RECORD_TYPE 2
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struct tls_crypto_info {
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__u16 version;
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__u16 cipher_type;
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};
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struct tls12_crypto_info_aes_gcm_128 {
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struct tls_crypto_info info;
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unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
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unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
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unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
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unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
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};
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struct tls12_crypto_info_aes_gcm_256 {
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struct tls_crypto_info info;
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unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE];
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unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];
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unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE];
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unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE];
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};
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struct tls12_crypto_info_aes_ccm_128 {
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struct tls_crypto_info info;
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unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];
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unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
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unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE];
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unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];
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};
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enum {
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TLS_INFO_UNSPEC,
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TLS_INFO_VERSION,
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TLS_INFO_CIPHER,
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TLS_INFO_TXCONF,
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TLS_INFO_RXCONF,
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__TLS_INFO_MAX,
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};
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#define TLS_INFO_MAX (__TLS_INFO_MAX - 1)
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#define TLS_CONF_BASE 1
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#define TLS_CONF_SW 2
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#define TLS_CONF_HW 3
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#define TLS_CONF_HW_RECORD 4
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#endif /* _UAPI_LINUX_TLS_H */
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