ceph/src/dpdk/drivers/crypto/openssl/rte_openssl_pmd_private.h

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016 Intel Corporation. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Intel Corporation nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #ifndef _OPENSSL_PMD_PRIVATE_H_
  34 #define _OPENSSL_PMD_PRIVATE_H_
  35
  36 #include <openssl/evp.h>
  37 #include <openssl/des.h>
  38
  39
  40 #define OPENSSL_LOG_ERR(fmt, args...) \
  41         RTE_LOG(ERR, CRYPTODEV, "[%s] %s() line %u: " fmt "\n",  \
  42                         RTE_STR(CRYPTODEV_NAME_OPENSSL_PMD), \
  43                         __func__, __LINE__, ## args)
  44
  45 #ifdef RTE_LIBRTE_OPENSSL_DEBUG
  46 #define OPENSSL_LOG_INFO(fmt, args...) \
  47         RTE_LOG(INFO, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
  48                         RTE_STR(CRYPTODEV_NAME_OPENSSL_PMD), \
  49                         __func__, __LINE__, ## args)
  50
  51 #define OPENSSL_LOG_DBG(fmt, args...) \
  52         RTE_LOG(DEBUG, CRYPTODEV, "[%s] %s() line %u: " fmt "\n", \
  53                         RTE_STR(CRYPTODEV_NAME_OPENSSL_PMD), \
  54                         __func__, __LINE__, ## args)
  55 #else
  56 #define OPENSSL_LOG_INFO(fmt, args...)
  57 #define OPENSSL_LOG_DBG(fmt, args...)
  58 #endif
  59
  60
  61 /** OPENSSL operation order mode enumerator */
  62 enum openssl_chain_order {
  63         OPENSSL_CHAIN_ONLY_CIPHER,
  64         OPENSSL_CHAIN_ONLY_AUTH,
  65         OPENSSL_CHAIN_CIPHER_AUTH,
  66         OPENSSL_CHAIN_AUTH_CIPHER,
  67         OPENSSL_CHAIN_COMBINED,
  68         OPENSSL_CHAIN_NOT_SUPPORTED
  69 };
  70
  71 /** OPENSSL cipher mode enumerator */
  72 enum openssl_cipher_mode {
  73         OPENSSL_CIPHER_LIB,
  74         OPENSSL_CIPHER_DES3CTR,
  75 };
  76
  77 /** OPENSSL auth mode enumerator */
  78 enum openssl_auth_mode {
  79         OPENSSL_AUTH_AS_AUTH,
  80         OPENSSL_AUTH_AS_HMAC,
  81 };
  82
  83 /** private data structure for each OPENSSL crypto device */
  84 struct openssl_private {
  85         unsigned int max_nb_qpairs;
  86         /**< Max number of queue pairs */
  87         unsigned int max_nb_sessions;
  88         /**< Max number of sessions */
  89 };
  90
  91 /** OPENSSL crypto queue pair */
  92 struct openssl_qp {
  93         uint16_t id;
  94         /**< Queue Pair Identifier */
  95         char name[RTE_CRYPTODEV_NAME_LEN];
  96         /**< Unique Queue Pair Name */
  97         struct rte_ring *processed_ops;
  98         /**< Ring for placing process packets */
  99         struct rte_mempool *sess_mp;
 100         /**< Session Mempool */
 101         struct rte_cryptodev_stats stats;
 102         /**< Queue pair statistics */
 103 } __rte_cache_aligned;
 104
 105 /** OPENSSL crypto private session structure */
 106 struct openssl_session {
 107         enum openssl_chain_order chain_order;
 108         /**< chain order mode */
 109
 110         /** Cipher Parameters */
 111         struct {
 112                 enum rte_crypto_cipher_operation direction;
 113                 /**< cipher operation direction */
 114                 enum openssl_cipher_mode mode;
 115                 /**< cipher operation mode */
 116                 enum rte_crypto_cipher_algorithm algo;
 117                 /**< cipher algorithm */
 118
 119                 struct {
 120                         uint8_t data[32];
 121                         /**< key data */
 122                         size_t length;
 123                         /**< key length in bytes */
 124                 } key;
 125
 126                 const EVP_CIPHER *evp_algo;
 127                 /**< pointer to EVP algorithm function */
 128                 EVP_CIPHER_CTX *ctx;
 129                 /**< pointer to EVP context structure */
 130         } cipher;
 131
 132         /** Authentication Parameters */
 133         struct {
 134                 enum rte_crypto_auth_operation operation;
 135                 /**< auth operation generate or verify */
 136                 enum openssl_auth_mode mode;
 137                 /**< auth operation mode */
 138                 enum rte_crypto_auth_algorithm algo;
 139                 /**< cipher algorithm */
 140
 141                 union {
 142                         struct {
 143                                 const EVP_MD *evp_algo;
 144                                 /**< pointer to EVP algorithm function */
 145                                 EVP_MD_CTX *ctx;
 146                                 /**< pointer to EVP context structure */
 147                         } auth;
 148
 149                         struct {
 150                                 EVP_PKEY *pkey;
 151                                 /**< pointer to EVP key */
 152                                 const EVP_MD *evp_algo;
 153                                 /**< pointer to EVP algorithm function */
 154                                 EVP_MD_CTX *ctx;
 155                                 /**< pointer to EVP context structure */
 156                         } hmac;
 157                 };
 158         } auth;
 159
 160 } __rte_cache_aligned;
 161
 162 /** Set and validate OPENSSL crypto session parameters */
 163 extern int
 164 openssl_set_session_parameters(struct openssl_session *sess,
 165                 const struct rte_crypto_sym_xform *xform);
 166
 167 /** Reset OPENSSL crypto session parameters */
 168 extern void
 169 openssl_reset_session(struct openssl_session *sess);
 170
 171 /** device specific operations function pointer structure */
 172 extern struct rte_cryptodev_ops *rte_openssl_pmd_ops;
 173
 174 #endif /* _OPENSSL_PMD_PRIVATE_H_ */