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 = 0,
 354                                         .max = 65535,
 355                                         .increment = 1
 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 = 32,
 370                                         .increment = 8
 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         {       /* DES DOCSIS BPI */
 446                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 447                 {.sym = {
 448                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 449                         {.cipher = {
 450                                 .algo = RTE_CRYPTO_CIPHER_DES_DOCSISBPI,
 451                                 .block_size = 8,
 452                                 .key_size = {
 453                                         .min = 8,
 454                                         .max = 8,
 455                                         .increment = 0
 456                                 },
 457                                 .iv_size = {
 458                                         .min = 8,
 459                                         .max = 8,
 460                                         .increment = 0
 461                                 }
 462                         }, }
 463                 }, }
 464         },
 465
 466         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 467 };
 468
 469
 470 /** Configure device */
 471 static int
 472 openssl_pmd_config(__rte_unused struct rte_cryptodev *dev,
 473                 __rte_unused struct rte_cryptodev_config *config)
 474 {
 475         return 0;
 476 }
 477
 478 /** Start device */
 479 static int
 480 openssl_pmd_start(__rte_unused struct rte_cryptodev *dev)
 481 {
 482         return 0;
 483 }
 484
 485 /** Stop device */
 486 static void
 487 openssl_pmd_stop(__rte_unused struct rte_cryptodev *dev)
 488 {
 489 }
 490
 491 /** Close device */
 492 static int
 493 openssl_pmd_close(__rte_unused struct rte_cryptodev *dev)
 494 {
 495         return 0;
 496 }
 497
 498
 499 /** Get device statistics */
 500 static void
 501 openssl_pmd_stats_get(struct rte_cryptodev *dev,
 502                 struct rte_cryptodev_stats *stats)
 503 {
 504         int qp_id;
 505
 506         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 507                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 508
 509                 stats->enqueued_count += qp->stats.enqueued_count;
 510                 stats->dequeued_count += qp->stats.dequeued_count;
 511
 512                 stats->enqueue_err_count += qp->stats.enqueue_err_count;
 513                 stats->dequeue_err_count += qp->stats.dequeue_err_count;
 514         }
 515 }
 516
 517 /** Reset device statistics */
 518 static void
 519 openssl_pmd_stats_reset(struct rte_cryptodev *dev)
 520 {
 521         int qp_id;
 522
 523         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 524                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 525
 526                 memset(&qp->stats, 0, sizeof(qp->stats));
 527         }
 528 }
 529
 530
 531 /** Get device info */
 532 static void
 533 openssl_pmd_info_get(struct rte_cryptodev *dev,
 534                 struct rte_cryptodev_info *dev_info)
 535 {
 536         struct openssl_private *internals = dev->data->dev_private;
 537
 538         if (dev_info != NULL) {
 539                 dev_info->dev_type = dev->dev_type;
 540                 dev_info->feature_flags = dev->feature_flags;
 541                 dev_info->capabilities = openssl_pmd_capabilities;
 542                 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
 543                 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
 544         }
 545 }
 546
 547 /** Release queue pair */
 548 static int
 549 openssl_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
 550 {
 551         if (dev->data->queue_pairs[qp_id] != NULL) {
 552                 rte_free(dev->data->queue_pairs[qp_id]);
 553                 dev->data->queue_pairs[qp_id] = NULL;
 554         }
 555         return 0;
 556 }
 557
 558 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
 559 static int
 560 openssl_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
 561                 struct openssl_qp *qp)
 562 {
 563         unsigned int n = snprintf(qp->name, sizeof(qp->name),
 564                         "openssl_pmd_%u_qp_%u",
 565                         dev->data->dev_id, qp->id);
 566
 567         if (n > sizeof(qp->name))
 568                 return -1;
 569
 570         return 0;
 571 }
 572
 573
 574 /** Create a ring to place processed operations on */
 575 static struct rte_ring *
 576 openssl_pmd_qp_create_processed_ops_ring(struct openssl_qp *qp,
 577                 unsigned int ring_size, int socket_id)
 578 {
 579         struct rte_ring *r;
 580
 581         r = rte_ring_lookup(qp->name);
 582         if (r) {
 583                 if (rte_ring_get_size(r) >= ring_size) {
 584                         OPENSSL_LOG_INFO(
 585                                 "Reusing existing ring %s for processed ops",
 586                                  qp->name);
 587                         return r;
 588                 }
 589
 590                 OPENSSL_LOG_ERR(
 591                         "Unable to reuse existing ring %s for processed ops",
 592                          qp->name);
 593                 return NULL;
 594         }
 595
 596         return rte_ring_create(qp->name, ring_size, socket_id,
 597                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 598 }
 599
 600
 601 /** Setup a queue pair */
 602 static int
 603 openssl_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 604                 const struct rte_cryptodev_qp_conf *qp_conf,
 605                  int socket_id)
 606 {
 607         struct openssl_qp *qp = NULL;
 608
 609         /* Free memory prior to re-allocation if needed. */
 610         if (dev->data->queue_pairs[qp_id] != NULL)
 611                 openssl_pmd_qp_release(dev, qp_id);
 612
 613         /* Allocate the queue pair data structure. */
 614         qp = rte_zmalloc_socket("OPENSSL PMD Queue Pair", sizeof(*qp),
 615                                         RTE_CACHE_LINE_SIZE, socket_id);
 616         if (qp == NULL)
 617                 return -ENOMEM;
 618
 619         qp->id = qp_id;
 620         dev->data->queue_pairs[qp_id] = qp;
 621
 622         if (openssl_pmd_qp_set_unique_name(dev, qp))
 623                 goto qp_setup_cleanup;
 624
 625         qp->processed_ops = openssl_pmd_qp_create_processed_ops_ring(qp,
 626                         qp_conf->nb_descriptors, socket_id);
 627         if (qp->processed_ops == NULL)
 628                 goto qp_setup_cleanup;
 629
 630         qp->sess_mp = dev->data->session_pool;
 631
 632         memset(&qp->stats, 0, sizeof(qp->stats));
 633
 634         return 0;
 635
 636 qp_setup_cleanup:
 637         if (qp)
 638                 rte_free(qp);
 639
 640         return -1;
 641 }
 642
 643 /** Start queue pair */
 644 static int
 645 openssl_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
 646                 __rte_unused uint16_t queue_pair_id)
 647 {
 648         return -ENOTSUP;
 649 }
 650
 651 /** Stop queue pair */
 652 static int
 653 openssl_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
 654                 __rte_unused uint16_t queue_pair_id)
 655 {
 656         return -ENOTSUP;
 657 }
 658
 659 /** Return the number of allocated queue pairs */
 660 static uint32_t
 661 openssl_pmd_qp_count(struct rte_cryptodev *dev)
 662 {
 663         return dev->data->nb_queue_pairs;
 664 }
 665
 666 /** Returns the size of the session structure */
 667 static unsigned
 668 openssl_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
 669 {
 670         return sizeof(struct openssl_session);
 671 }
 672
 673 /** Configure the session from a crypto xform chain */
 674 static void *
 675 openssl_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
 676                 struct rte_crypto_sym_xform *xform,     void *sess)
 677 {
 678         if (unlikely(sess == NULL)) {
 679                 OPENSSL_LOG_ERR("invalid session struct");
 680                 return NULL;
 681         }
 682
 683         if (openssl_set_session_parameters(
 684                         sess, xform) != 0) {
 685                 OPENSSL_LOG_ERR("failed configure session parameters");
 686                 return NULL;
 687         }
 688
 689         return sess;
 690 }
 691
 692
 693 /** Clear the memory of session so it doesn't leave key material behind */
 694 static void
 695 openssl_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
 696 {
 697         /*
 698          * Current just resetting the whole data structure, need to investigate
 699          * whether a more selective reset of key would be more performant
 700          */
 701         if (sess) {
 702                 openssl_reset_session(sess);
 703                 memset(sess, 0, sizeof(struct openssl_session));
 704         }
 705 }
 706
 707 struct rte_cryptodev_ops openssl_pmd_ops = {
 708                 .dev_configure          = openssl_pmd_config,
 709                 .dev_start              = openssl_pmd_start,
 710                 .dev_stop               = openssl_pmd_stop,
 711                 .dev_close              = openssl_pmd_close,
 712
 713                 .stats_get              = openssl_pmd_stats_get,
 714                 .stats_reset            = openssl_pmd_stats_reset,
 715
 716                 .dev_infos_get          = openssl_pmd_info_get,
 717
 718                 .queue_pair_setup       = openssl_pmd_qp_setup,
 719                 .queue_pair_release     = openssl_pmd_qp_release,
 720                 .queue_pair_start       = openssl_pmd_qp_start,
 721                 .queue_pair_stop        = openssl_pmd_qp_stop,
 722                 .queue_pair_count       = openssl_pmd_qp_count,
 723
 724                 .session_get_size       = openssl_pmd_session_get_size,
 725                 .session_configure      = openssl_pmd_session_configure,
 726                 .session_clear          = openssl_pmd_session_clear
 727 };
 728
 729 struct rte_cryptodev_ops *rte_openssl_pmd_ops = &openssl_pmd_ops;