drivers/crypto/openssl/rte_openssl_pmd_ops.c

   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 #include <string.h>
  34
  35 #include <rte_common.h>
  36 #include <rte_malloc.h>
  37 #include <rte_cryptodev_pmd.h>
  38
  39 #include "rte_openssl_pmd_private.h"
  40
  41
  42 static const struct rte_cryptodev_capabilities openssl_pmd_capabilities[] = {
  43         {       /* MD5 HMAC */
  44                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  45                 {.sym = {
  46                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  47                         {.auth = {
  48                                 .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
  49                                 .block_size = 64,
  50                                 .key_size = {
  51                                         .min = 64,
  52                                         .max = 64,
  53                                         .increment = 0
  54                                 },
  55                                 .digest_size = {
  56                                         .min = 16,
  57                                         .max = 16,
  58                                         .increment = 0
  59                                 },
  60                                 .aad_size = { 0 }
  61                         }, }
  62                 }, }
  63         },
  64         {       /* MD5 */
  65                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  66                 {.sym = {
  67                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  68                         {.auth = {
  69                                 .algo = RTE_CRYPTO_AUTH_MD5,
  70                                 .block_size = 64,
  71                                 .key_size = {
  72                                         .min = 0,
  73                                         .max = 0,
  74                                         .increment = 0
  75                                 },
  76                                 .digest_size = {
  77                                         .min = 16,
  78                                         .max = 16,
  79                                         .increment = 0
  80                                 },
  81                                 .aad_size = { 0 }
  82                         }, }
  83                 }, }
  84         },
  85         {       /* SHA1 HMAC */
  86                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  87                 {.sym = {
  88                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  89                         {.auth = {
  90                                 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
  91                                 .block_size = 64,
  92                                 .key_size = {
  93                                         .min = 64,
  94                                         .max = 64,
  95                                         .increment = 0
  96                                 },
  97                                 .digest_size = {
  98                                         .min = 20,
  99                                         .max = 20,
 100                                         .increment = 0
 101                                 },
 102                                 .aad_size = { 0 }
 103                         }, }
 104                 }, }
 105         },
 106         {       /* SHA1 */
 107                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 108                 {.sym = {
 109                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 110                         {.auth = {
 111                                 .algo = RTE_CRYPTO_AUTH_SHA1,
 112                                 .block_size = 64,
 113                                 .key_size = {
 114                                         .min = 0,
 115                                         .max = 0,
 116                                         .increment = 0
 117                                 },
 118                                 .digest_size = {
 119                                         .min = 20,
 120                                         .max = 20,
 121                                         .increment = 0
 122                                 },
 123                                 .aad_size = { 0 }
 124                         }, }
 125                 }, }
 126         },
 127         {       /* SHA224 HMAC */
 128                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 129                 {.sym = {
 130                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 131                         {.auth = {
 132                                 .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
 133                                 .block_size = 64,
 134                                 .key_size = {
 135                                         .min = 64,
 136                                         .max = 64,
 137                                         .increment = 0
 138                                 },
 139                                 .digest_size = {
 140                                         .min = 28,
 141                                         .max = 28,
 142                                         .increment = 0
 143                                 },
 144                                 .aad_size = { 0 }
 145                         }, }
 146                 }, }
 147         },
 148         {       /* SHA224 */
 149                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 150                 {.sym = {
 151                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 152                         {.auth = {
 153                                 .algo = RTE_CRYPTO_AUTH_SHA224,
 154                                 .block_size = 64,
 155                                 .key_size = {
 156                                         .min = 0,
 157                                         .max = 0,
 158                                         .increment = 0
 159                                 },
 160                                 .digest_size = {
 161                                         .min = 28,
 162                                         .max = 28,
 163                                         .increment = 0
 164                                 },
 165                                 .aad_size = { 0 }
 166                         }, }
 167                 }, }
 168         },
 169         {       /* SHA256 HMAC */
 170                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 171                 {.sym = {
 172                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 173                         {.auth = {
 174                                 .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
 175                                 .block_size = 64,
 176                                 .key_size = {
 177                                         .min = 64,
 178                                         .max = 64,
 179                                         .increment = 0
 180                                 },
 181                                 .digest_size = {
 182                                         .min = 32,
 183                                         .max = 32,
 184                                         .increment = 0
 185                                 },
 186                                 .aad_size = { 0 }
 187                         }, }
 188                 }, }
 189         },
 190         {       /* SHA256 */
 191                         .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 192                         {.sym = {
 193                                 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 194                                 {.auth = {
 195                                         .algo = RTE_CRYPTO_AUTH_SHA256,
 196                                         .block_size = 64,
 197                                         .key_size = {
 198                                                 .min = 0,
 199                                                 .max = 0,
 200                                                 .increment = 0
 201                                         },
 202                                         .digest_size = {
 203                                                 .min = 32,
 204                                                 .max = 32,
 205                                                 .increment = 0
 206                                         },
 207                                         .aad_size = { 0 }
 208                                 }, }
 209                         }, }
 210                 },
 211         {       /* SHA384 HMAC */
 212                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 213                 {.sym = {
 214                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 215                         {.auth = {
 216                                 .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
 217                                 .block_size = 128,
 218                                 .key_size = {
 219                                         .min = 128,
 220                                         .max = 128,
 221                                         .increment = 0
 222                                 },
 223                                 .digest_size = {
 224                                         .min = 48,
 225                                         .max = 48,
 226                                         .increment = 0
 227                                 },
 228                                 .aad_size = { 0 }
 229                         }, }
 230                 }, }
 231         },
 232         {       /* SHA384 */
 233                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 234                 {.sym = {
 235                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 236                         {.auth = {
 237                                 .algo = RTE_CRYPTO_AUTH_SHA384,
 238                                 .block_size = 128,
 239                                 .key_size = {
 240                                         .min = 0,
 241                                         .max = 0,
 242                                         .increment = 0
 243                                 },
 244                                 .digest_size = {
 245                                         .min = 48,
 246                                         .max = 48,
 247                                         .increment = 0
 248                                 },
 249                                 .aad_size = { 0 }
 250                         }, }
 251                 }, }
 252         },
 253         {       /* SHA512 HMAC */
 254                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 255                 {.sym = {
 256                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 257                         {.auth = {
 258                                 .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
 259                                 .block_size = 128,
 260                                 .key_size = {
 261                                         .min = 128,
 262                                         .max = 128,
 263                                         .increment = 0
 264                                 },
 265                                 .digest_size = {
 266                                         .min = 64,
 267                                         .max = 64,
 268                                         .increment = 0
 269                                 },
 270                                 .aad_size = { 0 }
 271                         }, }
 272                 }, }
 273         },
 274         {       /* SHA512  */
 275                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 276                 {.sym = {
 277                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 278                         {.auth = {
 279                                 .algo = RTE_CRYPTO_AUTH_SHA512,
 280                                 .block_size = 128,
 281                                 .key_size = {
 282                                         .min = 0,
 283                                         .max = 0,
 284                                         .increment = 0
 285                                 },
 286                                 .digest_size = {
 287                                         .min = 64,
 288                                         .max = 64,
 289                                         .increment = 0
 290                                 },
 291                                 .aad_size = { 0 }
 292                         }, }
 293                 }, }
 294         },
 295         {       /* AES CBC */
 296                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 297                 {.sym = {
 298                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 299                         {.cipher = {
 300                                 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
 301                                 .block_size = 16,
 302                                 .key_size = {
 303                                         .min = 16,
 304                                         .max = 32,
 305                                         .increment = 8
 306                                 },
 307                                 .iv_size = {
 308                                         .min = 16,
 309                                         .max = 16,
 310                                         .increment = 0
 311                                 }
 312                         }, }
 313                 }, }
 314         },
 315         {       /* AES CTR */
 316                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 317                 {.sym = {
 318                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 319                         {.cipher = {
 320                                 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
 321                                 .block_size = 16,
 322                                 .key_size = {
 323                                         .min = 16,
 324                                         .max = 32,
 325                                         .increment = 8
 326                                 },
 327                                 .iv_size = {
 328                                         .min = 16,
 329                                         .max = 16,
 330                                         .increment = 0
 331                                 }
 332                         }, }
 333                 }, }
 334         },
 335         {       /* AES GCM (AUTH) */
 336                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 337                 {.sym = {
 338                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 339                         {.auth = {
 340                                 .algo = RTE_CRYPTO_AUTH_AES_GCM,
 341                                 .block_size = 16,
 342                                 .key_size = {
 343                                         .min = 16,
 344                                         .max = 32,
 345                                         .increment = 8
 346                                 },
 347                                 .digest_size = {
 348                                         .min = 16,
 349                                         .max = 16,
 350                                         .increment = 0
 351                                 },
 352                                 .aad_size = {
 353                                         .min = 8,
 354                                         .max = 12,
 355                                         .increment = 4
 356                                 }
 357                         }, }
 358                 }, }
 359         },
 360         {       /* AES GCM (CIPHER) */
 361                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 362                 {.sym = {
 363                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 364                         {.cipher = {
 365                                 .algo = RTE_CRYPTO_CIPHER_AES_GCM,
 366                                 .block_size = 16,
 367                                 .key_size = {
 368                                         .min = 16,
 369                                         .max = 16,
 370                                         .increment = 0
 371                                 },
 372                                 .iv_size = {
 373                                         .min = 12,
 374                                         .max = 16,
 375                                         .increment = 4
 376                                 }
 377                         }, }
 378                 }, }
 379         },
 380         {       /* AES GMAC (AUTH) */
 381                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 382                 {.sym = {
 383                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 384                         {.auth = {
 385                                 .algo = RTE_CRYPTO_AUTH_AES_GMAC,
 386                                 .block_size = 16,
 387                                 .key_size = {
 388                                         .min = 16,
 389                                         .max = 32,
 390                                         .increment = 8
 391                                 },
 392                                 .digest_size = {
 393                                         .min = 16,
 394                                         .max = 16,
 395                                         .increment = 0
 396                                 },
 397                                 .aad_size = {
 398                                         .min = 8,
 399                                         .max = 65532,
 400                                         .increment = 4
 401                                 }
 402                         }, }
 403                 }, }
 404         },
 405         {       /* 3DES CBC */
 406                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 407                 {.sym = {
 408                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 409                         {.cipher = {
 410                                 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
 411                                 .block_size = 8,
 412                                 .key_size = {
 413                                         .min = 16,
 414                                         .max = 24,
 415                                         .increment = 8
 416                                 },
 417                                 .iv_size = {
 418                                         .min = 8,
 419                                         .max = 8,
 420                                         .increment = 0
 421                                 }
 422                         }, }
 423                 }, }
 424         },
 425         {       /* 3DES CTR */
 426                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 427                 {.sym = {
 428                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 429                         {.cipher = {
 430                                 .algo = RTE_CRYPTO_CIPHER_3DES_CTR,
 431                                 .block_size = 8,
 432                                 .key_size = {
 433                                         .min = 16,
 434                                         .max = 24,
 435                                         .increment = 8
 436                                 },
 437                                 .iv_size = {
 438                                         .min = 8,
 439                                         .max = 8,
 440                                         .increment = 0
 441                                 }
 442                         }, }
 443                 }, }
 444         },
 445
 446         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 447 };
 448
 449
 450 /** Configure device */
 451 static int
 452 openssl_pmd_config(__rte_unused struct rte_cryptodev *dev)
 453 {
 454         return 0;
 455 }
 456
 457 /** Start device */
 458 static int
 459 openssl_pmd_start(__rte_unused struct rte_cryptodev *dev)
 460 {
 461         return 0;
 462 }
 463
 464 /** Stop device */
 465 static void
 466 openssl_pmd_stop(__rte_unused struct rte_cryptodev *dev)
 467 {
 468 }
 469
 470 /** Close device */
 471 static int
 472 openssl_pmd_close(__rte_unused struct rte_cryptodev *dev)
 473 {
 474         return 0;
 475 }
 476
 477
 478 /** Get device statistics */
 479 static void
 480 openssl_pmd_stats_get(struct rte_cryptodev *dev,
 481                 struct rte_cryptodev_stats *stats)
 482 {
 483         int qp_id;
 484
 485         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 486                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 487
 488                 stats->enqueued_count += qp->stats.enqueued_count;
 489                 stats->dequeued_count += qp->stats.dequeued_count;
 490
 491                 stats->enqueue_err_count += qp->stats.enqueue_err_count;
 492                 stats->dequeue_err_count += qp->stats.dequeue_err_count;
 493         }
 494 }
 495
 496 /** Reset device statistics */
 497 static void
 498 openssl_pmd_stats_reset(struct rte_cryptodev *dev)
 499 {
 500         int qp_id;
 501
 502         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 503                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 504
 505                 memset(&qp->stats, 0, sizeof(qp->stats));
 506         }
 507 }
 508
 509
 510 /** Get device info */
 511 static void
 512 openssl_pmd_info_get(struct rte_cryptodev *dev,
 513                 struct rte_cryptodev_info *dev_info)
 514 {
 515         struct openssl_private *internals = dev->data->dev_private;
 516
 517         if (dev_info != NULL) {
 518                 dev_info->dev_type = dev->dev_type;
 519                 dev_info->feature_flags = dev->feature_flags;
 520                 dev_info->capabilities = openssl_pmd_capabilities;
 521                 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
 522                 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
 523         }
 524 }
 525
 526 /** Release queue pair */
 527 static int
 528 openssl_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
 529 {
 530         if (dev->data->queue_pairs[qp_id] != NULL) {
 531                 rte_free(dev->data->queue_pairs[qp_id]);
 532                 dev->data->queue_pairs[qp_id] = NULL;
 533         }
 534         return 0;
 535 }
 536
 537 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
 538 static int
 539 openssl_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
 540                 struct openssl_qp *qp)
 541 {
 542         unsigned int n = snprintf(qp->name, sizeof(qp->name),
 543                         "openssl_pmd_%u_qp_%u",
 544                         dev->data->dev_id, qp->id);
 545
 546         if (n > sizeof(qp->name))
 547                 return -1;
 548
 549         return 0;
 550 }
 551
 552
 553 /** Create a ring to place processed operations on */
 554 static struct rte_ring *
 555 openssl_pmd_qp_create_processed_ops_ring(struct openssl_qp *qp,
 556                 unsigned int ring_size, int socket_id)
 557 {
 558         struct rte_ring *r;
 559
 560         r = rte_ring_lookup(qp->name);
 561         if (r) {
 562                 if (r->prod.size >= ring_size) {
 563                         OPENSSL_LOG_INFO(
 564                                 "Reusing existing ring %s for processed ops",
 565                                  qp->name);
 566                         return r;
 567                 }
 568
 569                 OPENSSL_LOG_ERR(
 570                         "Unable to reuse existing ring %s for processed ops",
 571                          qp->name);
 572                 return NULL;
 573         }
 574
 575         return rte_ring_create(qp->name, ring_size, socket_id,
 576                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 577 }
 578
 579
 580 /** Setup a queue pair */
 581 static int
 582 openssl_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 583                 const struct rte_cryptodev_qp_conf *qp_conf,
 584                  int socket_id)
 585 {
 586         struct openssl_qp *qp = NULL;
 587
 588         /* Free memory prior to re-allocation if needed. */
 589         if (dev->data->queue_pairs[qp_id] != NULL)
 590                 openssl_pmd_qp_release(dev, qp_id);
 591
 592         /* Allocate the queue pair data structure. */
 593         qp = rte_zmalloc_socket("OPENSSL PMD Queue Pair", sizeof(*qp),
 594                                         RTE_CACHE_LINE_SIZE, socket_id);
 595         if (qp == NULL)
 596                 return -ENOMEM;
 597
 598         qp->id = qp_id;
 599         dev->data->queue_pairs[qp_id] = qp;
 600
 601         if (openssl_pmd_qp_set_unique_name(dev, qp))
 602                 goto qp_setup_cleanup;
 603
 604         qp->processed_ops = openssl_pmd_qp_create_processed_ops_ring(qp,
 605                         qp_conf->nb_descriptors, socket_id);
 606         if (qp->processed_ops == NULL)
 607                 goto qp_setup_cleanup;
 608
 609         qp->sess_mp = dev->data->session_pool;
 610
 611         memset(&qp->stats, 0, sizeof(qp->stats));
 612
 613         return 0;
 614
 615 qp_setup_cleanup:
 616         if (qp)
 617                 rte_free(qp);
 618
 619         return -1;
 620 }
 621
 622 /** Start queue pair */
 623 static int
 624 openssl_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
 625                 __rte_unused uint16_t queue_pair_id)
 626 {
 627         return -ENOTSUP;
 628 }
 629
 630 /** Stop queue pair */
 631 static int
 632 openssl_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
 633                 __rte_unused uint16_t queue_pair_id)
 634 {
 635         return -ENOTSUP;
 636 }
 637
 638 /** Return the number of allocated queue pairs */
 639 static uint32_t
 640 openssl_pmd_qp_count(struct rte_cryptodev *dev)
 641 {
 642         return dev->data->nb_queue_pairs;
 643 }
 644
 645 /** Returns the size of the session structure */
 646 static unsigned
 647 openssl_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
 648 {
 649         return sizeof(struct openssl_session);
 650 }
 651
 652 /** Configure the session from a crypto xform chain */
 653 static void *
 654 openssl_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
 655                 struct rte_crypto_sym_xform *xform,     void *sess)
 656 {
 657         if (unlikely(sess == NULL)) {
 658                 OPENSSL_LOG_ERR("invalid session struct");
 659                 return NULL;
 660         }
 661
 662         if (openssl_set_session_parameters(
 663                         sess, xform) != 0) {
 664                 OPENSSL_LOG_ERR("failed configure session parameters");
 665                 return NULL;
 666         }
 667
 668         return sess;
 669 }
 670
 671
 672 /** Clear the memory of session so it doesn't leave key material behind */
 673 static void
 674 openssl_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
 675 {
 676         /*
 677          * Current just resetting the whole data structure, need to investigate
 678          * whether a more selective reset of key would be more performant
 679          */
 680         if (sess) {
 681                 openssl_reset_session(sess);
 682                 memset(sess, 0, sizeof(struct openssl_session));
 683         }
 684 }
 685
 686 struct rte_cryptodev_ops openssl_pmd_ops = {
 687                 .dev_configure          = openssl_pmd_config,
 688                 .dev_start              = openssl_pmd_start,
 689                 .dev_stop               = openssl_pmd_stop,
 690                 .dev_close              = openssl_pmd_close,
 691
 692                 .stats_get              = openssl_pmd_stats_get,
 693                 .stats_reset            = openssl_pmd_stats_reset,
 694
 695                 .dev_infos_get          = openssl_pmd_info_get,
 696
 697                 .queue_pair_setup       = openssl_pmd_qp_setup,
 698                 .queue_pair_release     = openssl_pmd_qp_release,
 699                 .queue_pair_start       = openssl_pmd_qp_start,
 700                 .queue_pair_stop        = openssl_pmd_qp_stop,
 701                 .queue_pair_count       = openssl_pmd_qp_count,
 702
 703                 .session_get_size       = openssl_pmd_session_get_size,
 704                 .session_configure      = openssl_pmd_session_configure,
 705                 .session_clear          = openssl_pmd_session_clear
 706 };
 707
 708 struct rte_cryptodev_ops *rte_openssl_pmd_ops = &openssl_pmd_ops;