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Diffstat (limited to 'include/uapi/linux/tls.h')
-rw-r--r-- | include/uapi/linux/tls.h | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/include/uapi/linux/tls.h b/include/uapi/linux/tls.h new file mode 100644 index 000000000..bcd2869ed --- /dev/null +++ b/include/uapi/linux/tls.h @@ -0,0 +1,127 @@ +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */ +/* + * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _UAPI_LINUX_TLS_H +#define _UAPI_LINUX_TLS_H + +#include <linux/types.h> + +/* TLS socket options */ +#define TLS_TX 1 /* Set transmit parameters */ +#define TLS_RX 2 /* Set receive parameters */ + +/* Supported versions */ +#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF) +#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF) + +#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \ + ((id##_VERSION_MINOR) & 0xFF)) + +#define TLS_1_2_VERSION_MAJOR 0x3 +#define TLS_1_2_VERSION_MINOR 0x3 +#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2) + +#define TLS_1_3_VERSION_MAJOR 0x3 +#define TLS_1_3_VERSION_MINOR 0x4 +#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3) + +/* Supported ciphers */ +#define TLS_CIPHER_AES_GCM_128 51 +#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8 +#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16 +#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4 +#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16 +#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8 + +#define TLS_CIPHER_AES_GCM_256 52 +#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8 +#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32 +#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4 +#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16 +#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8 + +#define TLS_CIPHER_AES_CCM_128 53 +#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8 +#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16 +#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4 +#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16 +#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8 + +#define TLS_SET_RECORD_TYPE 1 +#define TLS_GET_RECORD_TYPE 2 + +struct tls_crypto_info { + __u16 version; + __u16 cipher_type; +}; + +struct tls12_crypto_info_aes_gcm_128 { + struct tls_crypto_info info; + unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; + unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; + unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; + unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; +}; + +struct tls12_crypto_info_aes_gcm_256 { + struct tls_crypto_info info; + unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE]; + unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE]; + unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE]; + unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE]; +}; + +struct tls12_crypto_info_aes_ccm_128 { + struct tls_crypto_info info; + unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE]; + unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE]; + unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE]; + unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE]; +}; + +enum { + TLS_INFO_UNSPEC, + TLS_INFO_VERSION, + TLS_INFO_CIPHER, + TLS_INFO_TXCONF, + TLS_INFO_RXCONF, + __TLS_INFO_MAX, +}; +#define TLS_INFO_MAX (__TLS_INFO_MAX - 1) + +#define TLS_CONF_BASE 1 +#define TLS_CONF_SW 2 +#define TLS_CONF_HW 3 +#define TLS_CONF_HW_RECORD 4 + +#endif /* _UAPI_LINUX_TLS_H */ |