drivers/crypto/openssl/rte_openssl_pmd_ops.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2017 Intel Corporation
   3  */
   4
   5 #include <string.h>
   6
   7 #include <rte_common.h>
   8 #include <rte_malloc.h>
   9 #include <rte_cryptodev_pmd.h>
  10
  11 #include "rte_openssl_pmd_private.h"
  12
  13
  14 static const struct rte_cryptodev_capabilities openssl_pmd_capabilities[] = {
  15         {       /* MD5 HMAC */
  16                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  17                 {.sym = {
  18                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  19                         {.auth = {
  20                                 .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
  21                                 .block_size = 64,
  22                                 .key_size = {
  23                                         .min = 1,
  24                                         .max = 64,
  25                                         .increment = 1
  26                                 },
  27                                 .digest_size = {
  28                                         .min = 16,
  29                                         .max = 16,
  30                                         .increment = 0
  31                                 },
  32                                 .iv_size = { 0 }
  33                         }, }
  34                 }, }
  35         },
  36         {       /* MD5 */
  37                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  38                 {.sym = {
  39                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  40                         {.auth = {
  41                                 .algo = RTE_CRYPTO_AUTH_MD5,
  42                                 .block_size = 64,
  43                                 .key_size = {
  44                                         .min = 0,
  45                                         .max = 0,
  46                                         .increment = 0
  47                                 },
  48                                 .digest_size = {
  49                                         .min = 16,
  50                                         .max = 16,
  51                                         .increment = 0
  52                                 },
  53                                 .iv_size = { 0 }
  54                         }, }
  55                 }, }
  56         },
  57         {       /* SHA1 HMAC */
  58                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  59                 {.sym = {
  60                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  61                         {.auth = {
  62                                 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
  63                                 .block_size = 64,
  64                                 .key_size = {
  65                                         .min = 1,
  66                                         .max = 64,
  67                                         .increment = 1
  68                                 },
  69                                 .digest_size = {
  70                                         .min = 20,
  71                                         .max = 20,
  72                                         .increment = 0
  73                                 },
  74                                 .iv_size = { 0 }
  75                         }, }
  76                 }, }
  77         },
  78         {       /* SHA1 */
  79                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  80                 {.sym = {
  81                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  82                         {.auth = {
  83                                 .algo = RTE_CRYPTO_AUTH_SHA1,
  84                                 .block_size = 64,
  85                                 .key_size = {
  86                                         .min = 0,
  87                                         .max = 0,
  88                                         .increment = 0
  89                                 },
  90                                 .digest_size = {
  91                                         .min = 20,
  92                                         .max = 20,
  93                                         .increment = 0
  94                                 },
  95                                 .iv_size = { 0 }
  96                         }, }
  97                 }, }
  98         },
  99         {       /* SHA224 HMAC */
 100                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 101                 {.sym = {
 102                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 103                         {.auth = {
 104                                 .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
 105                                 .block_size = 64,
 106                                 .key_size = {
 107                                         .min = 1,
 108                                         .max = 64,
 109                                         .increment = 1
 110                                 },
 111                                 .digest_size = {
 112                                         .min = 28,
 113                                         .max = 28,
 114                                         .increment = 0
 115                                 },
 116                                 .iv_size = { 0 }
 117                         }, }
 118                 }, }
 119         },
 120         {       /* SHA224 */
 121                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 122                 {.sym = {
 123                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 124                         {.auth = {
 125                                 .algo = RTE_CRYPTO_AUTH_SHA224,
 126                                 .block_size = 64,
 127                                 .key_size = {
 128                                         .min = 0,
 129                                         .max = 0,
 130                                         .increment = 0
 131                                 },
 132                                 .digest_size = {
 133                                         .min = 28,
 134                                         .max = 28,
 135                                         .increment = 0
 136                                 },
 137                                 .iv_size = { 0 }
 138                         }, }
 139                 }, }
 140         },
 141         {       /* SHA256 HMAC */
 142                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 143                 {.sym = {
 144                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 145                         {.auth = {
 146                                 .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
 147                                 .block_size = 64,
 148                                 .key_size = {
 149                                         .min = 1,
 150                                         .max = 64,
 151                                         .increment = 1
 152                                 },
 153                                 .digest_size = {
 154                                         .min = 32,
 155                                         .max = 32,
 156                                         .increment = 0
 157                                 },
 158                                 .iv_size = { 0 }
 159                         }, }
 160                 }, }
 161         },
 162         {       /* SHA256 */
 163                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 164                 {.sym = {
 165                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 166                         {.auth = {
 167                                 .algo = RTE_CRYPTO_AUTH_SHA256,
 168                                 .block_size = 64,
 169                                 .key_size = {
 170                                         .min = 0,
 171                                         .max = 0,
 172                                         .increment = 0
 173                                 },
 174                                 .digest_size = {
 175                                         .min = 32,
 176                                         .max = 32,
 177                                         .increment = 0
 178                                 },
 179                                 .iv_size = { 0 }
 180                         }, }
 181                 }, }
 182         },
 183         {       /* SHA384 HMAC */
 184                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 185                 {.sym = {
 186                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 187                         {.auth = {
 188                                 .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
 189                                 .block_size = 128,
 190                                 .key_size = {
 191                                         .min = 1,
 192                                         .max = 128,
 193                                         .increment = 1
 194                                 },
 195                                 .digest_size = {
 196                                         .min = 48,
 197                                         .max = 48,
 198                                         .increment = 0
 199                                 },
 200                                 .iv_size = { 0 }
 201                         }, }
 202                 }, }
 203         },
 204         {       /* SHA384 */
 205                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 206                 {.sym = {
 207                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 208                         {.auth = {
 209                                 .algo = RTE_CRYPTO_AUTH_SHA384,
 210                                 .block_size = 128,
 211                                 .key_size = {
 212                                         .min = 0,
 213                                         .max = 0,
 214                                         .increment = 0
 215                                 },
 216                                 .digest_size = {
 217                                         .min = 48,
 218                                         .max = 48,
 219                                         .increment = 0
 220                                 },
 221                                 .iv_size = { 0 }
 222                         }, }
 223                 }, }
 224         },
 225         {       /* SHA512 HMAC */
 226                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 227                 {.sym = {
 228                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 229                         {.auth = {
 230                                 .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
 231                                 .block_size = 128,
 232                                 .key_size = {
 233                                         .min = 1,
 234                                         .max = 128,
 235                                         .increment = 1
 236                                 },
 237                                 .digest_size = {
 238                                         .min = 64,
 239                                         .max = 64,
 240                                         .increment = 0
 241                                 },
 242                                 .iv_size = { 0 }
 243                         }, }
 244                 }, }
 245         },
 246         {       /* SHA512  */
 247                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 248                 {.sym = {
 249                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 250                         {.auth = {
 251                                 .algo = RTE_CRYPTO_AUTH_SHA512,
 252                                 .block_size = 128,
 253                                 .key_size = {
 254                                         .min = 0,
 255                                         .max = 0,
 256                                         .increment = 0
 257                                 },
 258                                 .digest_size = {
 259                                         .min = 64,
 260                                         .max = 64,
 261                                         .increment = 0
 262                                 },
 263                                 .iv_size = { 0 }
 264                         }, }
 265                 }, }
 266         },
 267         {       /* AES CBC */
 268                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 269                 {.sym = {
 270                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 271                         {.cipher = {
 272                                 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
 273                                 .block_size = 16,
 274                                 .key_size = {
 275                                         .min = 16,
 276                                         .max = 32,
 277                                         .increment = 8
 278                                 },
 279                                 .iv_size = {
 280                                         .min = 16,
 281                                         .max = 16,
 282                                         .increment = 0
 283                                 }
 284                         }, }
 285                 }, }
 286         },
 287         {       /* AES CTR */
 288                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 289                 {.sym = {
 290                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 291                         {.cipher = {
 292                                 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
 293                                 .block_size = 16,
 294                                 .key_size = {
 295                                         .min = 16,
 296                                         .max = 32,
 297                                         .increment = 8
 298                                 },
 299                                 .iv_size = {
 300                                         .min = 16,
 301                                         .max = 16,
 302                                         .increment = 0
 303                                 }
 304                         }, }
 305                 }, }
 306         },
 307         {       /* AES GCM */
 308                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 309                 {.sym = {
 310                         .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
 311                         {.aead = {
 312                                 .algo = RTE_CRYPTO_AEAD_AES_GCM,
 313                                 .block_size = 16,
 314                                 .key_size = {
 315                                         .min = 16,
 316                                         .max = 32,
 317                                         .increment = 8
 318                                 },
 319                                 .digest_size = {
 320                                         .min = 16,
 321                                         .max = 16,
 322                                         .increment = 0
 323                                 },
 324                                 .aad_size = {
 325                                         .min = 0,
 326                                         .max = 65535,
 327                                         .increment = 1
 328                                 },
 329                                 .iv_size = {
 330                                         .min = 12,
 331                                         .max = 16,
 332                                         .increment = 4
 333                                 },
 334                         }, }
 335                 }, }
 336         },
 337         {       /* AES CCM */
 338                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 339                 {.sym = {
 340                         .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
 341                         {.aead = {
 342                                 .algo = RTE_CRYPTO_AEAD_AES_CCM,
 343                                 .block_size = 16,
 344                                 .key_size = {
 345                                         .min = 16,
 346                                         .max = 32,
 347                                         .increment = 8
 348                                 },
 349                                 .digest_size = {
 350                                         .min = 4,
 351                                         .max = 16,
 352                                         .increment = 2
 353                                 },
 354                                 .aad_size = {
 355                                         .min = 0,
 356                                         .max = 65535,
 357                                         .increment = 1
 358                                 },
 359                                 .iv_size = {
 360                                         .min = 7,
 361                                         .max = 13,
 362                                         .increment = 1
 363                                 },
 364                         }, }
 365                 }, }
 366         },
 367         {       /* AES GMAC (AUTH) */
 368                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 369                 {.sym = {
 370                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 371                         {.auth = {
 372                                 .algo = RTE_CRYPTO_AUTH_AES_GMAC,
 373                                 .block_size = 16,
 374                                 .key_size = {
 375                                         .min = 16,
 376                                         .max = 32,
 377                                         .increment = 8
 378                                 },
 379                                 .digest_size = {
 380                                         .min = 16,
 381                                         .max = 16,
 382                                         .increment = 0
 383                                 },
 384                                 .iv_size = {
 385                                         .min = 12,
 386                                         .max = 16,
 387                                         .increment = 4
 388                                 }
 389                         }, }
 390                 }, }
 391         },
 392         {       /* 3DES CBC */
 393                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 394                 {.sym = {
 395                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 396                         {.cipher = {
 397                                 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
 398                                 .block_size = 8,
 399                                 .key_size = {
 400                                         .min = 16,
 401                                         .max = 24,
 402                                         .increment = 8
 403                                 },
 404                                 .iv_size = {
 405                                         .min = 8,
 406                                         .max = 8,
 407                                         .increment = 0
 408                                 }
 409                         }, }
 410                 }, }
 411         },
 412         {       /* 3DES CTR */
 413                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 414                 {.sym = {
 415                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 416                         {.cipher = {
 417                                 .algo = RTE_CRYPTO_CIPHER_3DES_CTR,
 418                                 .block_size = 8,
 419                                 .key_size = {
 420                                         .min = 16,
 421                                         .max = 24,
 422                                         .increment = 8
 423                                 },
 424                                 .iv_size = {
 425                                         .min = 8,
 426                                         .max = 8,
 427                                         .increment = 0
 428                                 }
 429                         }, }
 430                 }, }
 431         },
 432         {       /* DES CBC */
 433                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 434                 {.sym = {
 435                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 436                         {.cipher = {
 437                                 .algo = RTE_CRYPTO_CIPHER_DES_CBC,
 438                                 .block_size = 8,
 439                                 .key_size = {
 440                                         .min = 8,
 441                                         .max = 8,
 442                                         .increment = 0
 443                                 },
 444                                 .iv_size = {
 445                                         .min = 8,
 446                                         .max = 8,
 447                                         .increment = 0
 448                                 }
 449                         }, }
 450                 }, }
 451         },
 452         {       /* DES DOCSIS BPI */
 453                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 454                 {.sym = {
 455                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 456                         {.cipher = {
 457                                 .algo = RTE_CRYPTO_CIPHER_DES_DOCSISBPI,
 458                                 .block_size = 8,
 459                                 .key_size = {
 460                                         .min = 8,
 461                                         .max = 8,
 462                                         .increment = 0
 463                                 },
 464                                 .iv_size = {
 465                                         .min = 8,
 466                                         .max = 8,
 467                                         .increment = 0
 468                                 }
 469                         }, }
 470                 }, }
 471         },
 472
 473         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 474 };
 475
 476
 477 /** Configure device */
 478 static int
 479 openssl_pmd_config(__rte_unused struct rte_cryptodev *dev,
 480                 __rte_unused struct rte_cryptodev_config *config)
 481 {
 482         return 0;
 483 }
 484
 485 /** Start device */
 486 static int
 487 openssl_pmd_start(__rte_unused struct rte_cryptodev *dev)
 488 {
 489         return 0;
 490 }
 491
 492 /** Stop device */
 493 static void
 494 openssl_pmd_stop(__rte_unused struct rte_cryptodev *dev)
 495 {
 496 }
 497
 498 /** Close device */
 499 static int
 500 openssl_pmd_close(__rte_unused struct rte_cryptodev *dev)
 501 {
 502         return 0;
 503 }
 504
 505
 506 /** Get device statistics */
 507 static void
 508 openssl_pmd_stats_get(struct rte_cryptodev *dev,
 509                 struct rte_cryptodev_stats *stats)
 510 {
 511         int qp_id;
 512
 513         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 514                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 515
 516                 stats->enqueued_count += qp->stats.enqueued_count;
 517                 stats->dequeued_count += qp->stats.dequeued_count;
 518
 519                 stats->enqueue_err_count += qp->stats.enqueue_err_count;
 520                 stats->dequeue_err_count += qp->stats.dequeue_err_count;
 521         }
 522 }
 523
 524 /** Reset device statistics */
 525 static void
 526 openssl_pmd_stats_reset(struct rte_cryptodev *dev)
 527 {
 528         int qp_id;
 529
 530         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 531                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 532
 533                 memset(&qp->stats, 0, sizeof(qp->stats));
 534         }
 535 }
 536
 537
 538 /** Get device info */
 539 static void
 540 openssl_pmd_info_get(struct rte_cryptodev *dev,
 541                 struct rte_cryptodev_info *dev_info)
 542 {
 543         struct openssl_private *internals = dev->data->dev_private;
 544
 545         if (dev_info != NULL) {
 546                 dev_info->driver_id = dev->driver_id;
 547                 dev_info->feature_flags = dev->feature_flags;
 548                 dev_info->capabilities = openssl_pmd_capabilities;
 549                 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
 550                 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
 551         }
 552 }
 553
 554 /** Release queue pair */
 555 static int
 556 openssl_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
 557 {
 558         if (dev->data->queue_pairs[qp_id] != NULL) {
 559                 rte_free(dev->data->queue_pairs[qp_id]);
 560                 dev->data->queue_pairs[qp_id] = NULL;
 561         }
 562         return 0;
 563 }
 564
 565 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
 566 static int
 567 openssl_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
 568                 struct openssl_qp *qp)
 569 {
 570         unsigned int n = snprintf(qp->name, sizeof(qp->name),
 571                         "openssl_pmd_%u_qp_%u",
 572                         dev->data->dev_id, qp->id);
 573
 574         if (n >= sizeof(qp->name))
 575                 return -1;
 576
 577         return 0;
 578 }
 579
 580
 581 /** Create a ring to place processed operations on */
 582 static struct rte_ring *
 583 openssl_pmd_qp_create_processed_ops_ring(struct openssl_qp *qp,
 584                 unsigned int ring_size, int socket_id)
 585 {
 586         struct rte_ring *r;
 587
 588         r = rte_ring_lookup(qp->name);
 589         if (r) {
 590                 if (rte_ring_get_size(r) >= ring_size) {
 591                         OPENSSL_LOG_INFO(
 592                                 "Reusing existing ring %s for processed ops",
 593                                  qp->name);
 594                         return r;
 595                 }
 596
 597                 OPENSSL_LOG_ERR(
 598                         "Unable to reuse existing ring %s for processed ops",
 599                          qp->name);
 600                 return NULL;
 601         }
 602
 603         return rte_ring_create(qp->name, ring_size, socket_id,
 604                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 605 }
 606
 607
 608 /** Setup a queue pair */
 609 static int
 610 openssl_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 611                 const struct rte_cryptodev_qp_conf *qp_conf,
 612                 int socket_id, struct rte_mempool *session_pool)
 613 {
 614         struct openssl_qp *qp = NULL;
 615
 616         /* Free memory prior to re-allocation if needed. */
 617         if (dev->data->queue_pairs[qp_id] != NULL)
 618                 openssl_pmd_qp_release(dev, qp_id);
 619
 620         /* Allocate the queue pair data structure. */
 621         qp = rte_zmalloc_socket("OPENSSL PMD Queue Pair", sizeof(*qp),
 622                                         RTE_CACHE_LINE_SIZE, socket_id);
 623         if (qp == NULL)
 624                 return -ENOMEM;
 625
 626         qp->id = qp_id;
 627         dev->data->queue_pairs[qp_id] = qp;
 628
 629         if (openssl_pmd_qp_set_unique_name(dev, qp))
 630                 goto qp_setup_cleanup;
 631
 632         qp->processed_ops = openssl_pmd_qp_create_processed_ops_ring(qp,
 633                         qp_conf->nb_descriptors, socket_id);
 634         if (qp->processed_ops == NULL)
 635                 goto qp_setup_cleanup;
 636
 637         qp->sess_mp = session_pool;
 638
 639         memset(&qp->stats, 0, sizeof(qp->stats));
 640
 641         return 0;
 642
 643 qp_setup_cleanup:
 644         if (qp)
 645                 rte_free(qp);
 646
 647         return -1;
 648 }
 649
 650 /** Start queue pair */
 651 static int
 652 openssl_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
 653                 __rte_unused uint16_t queue_pair_id)
 654 {
 655         return -ENOTSUP;
 656 }
 657
 658 /** Stop queue pair */
 659 static int
 660 openssl_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
 661                 __rte_unused uint16_t queue_pair_id)
 662 {
 663         return -ENOTSUP;
 664 }
 665
 666 /** Return the number of allocated queue pairs */
 667 static uint32_t
 668 openssl_pmd_qp_count(struct rte_cryptodev *dev)
 669 {
 670         return dev->data->nb_queue_pairs;
 671 }
 672
 673 /** Returns the size of the session structure */
 674 static unsigned
 675 openssl_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
 676 {
 677         return sizeof(struct openssl_session);
 678 }
 679
 680 /** Configure the session from a crypto xform chain */
 681 static int
 682 openssl_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
 683                 struct rte_crypto_sym_xform *xform,
 684                 struct rte_cryptodev_sym_session *sess,
 685                 struct rte_mempool *mempool)
 686 {
 687         void *sess_private_data;
 688         int ret;
 689
 690         if (unlikely(sess == NULL)) {
 691                 OPENSSL_LOG_ERR("invalid session struct");
 692                 return -EINVAL;
 693         }
 694
 695         if (rte_mempool_get(mempool, &sess_private_data)) {
 696                 CDEV_LOG_ERR(
 697                         "Couldn't get object from session mempool");
 698                 return -ENOMEM;
 699         }
 700
 701         ret = openssl_set_session_parameters(sess_private_data, xform);
 702         if (ret != 0) {
 703                 OPENSSL_LOG_ERR("failed configure session parameters");
 704
 705                 /* Return session to mempool */
 706                 rte_mempool_put(mempool, sess_private_data);
 707                 return ret;
 708         }
 709
 710         set_session_private_data(sess, dev->driver_id,
 711                         sess_private_data);
 712
 713         return 0;
 714 }
 715
 716
 717 /** Clear the memory of session so it doesn't leave key material behind */
 718 static void
 719 openssl_pmd_session_clear(struct rte_cryptodev *dev,
 720                 struct rte_cryptodev_sym_session *sess)
 721 {
 722         uint8_t index = dev->driver_id;
 723         void *sess_priv = get_session_private_data(sess, index);
 724
 725         /* Zero out the whole structure */
 726         if (sess_priv) {
 727                 openssl_reset_session(sess_priv);
 728                 memset(sess_priv, 0, sizeof(struct openssl_session));
 729                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
 730                 set_session_private_data(sess, index, NULL);
 731                 rte_mempool_put(sess_mp, sess_priv);
 732         }
 733 }
 734
 735 struct rte_cryptodev_ops openssl_pmd_ops = {
 736                 .dev_configure          = openssl_pmd_config,
 737                 .dev_start              = openssl_pmd_start,
 738                 .dev_stop               = openssl_pmd_stop,
 739                 .dev_close              = openssl_pmd_close,
 740
 741                 .stats_get              = openssl_pmd_stats_get,
 742                 .stats_reset            = openssl_pmd_stats_reset,
 743
 744                 .dev_infos_get          = openssl_pmd_info_get,
 745
 746                 .queue_pair_setup       = openssl_pmd_qp_setup,
 747                 .queue_pair_release     = openssl_pmd_qp_release,
 748                 .queue_pair_start       = openssl_pmd_qp_start,
 749                 .queue_pair_stop        = openssl_pmd_qp_stop,
 750                 .queue_pair_count       = openssl_pmd_qp_count,
 751
 752                 .session_get_size       = openssl_pmd_session_get_size,
 753                 .session_configure      = openssl_pmd_session_configure,
 754                 .session_clear          = openssl_pmd_session_clear
 755 };
 756
 757 struct rte_cryptodev_ops *rte_openssl_pmd_ops = &openssl_pmd_ops;