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 #include "compat.h"
  13
  14
  15 static const struct rte_cryptodev_capabilities openssl_pmd_capabilities[] = {
  16         {       /* MD5 HMAC */
  17                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  18                 {.sym = {
  19                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  20                         {.auth = {
  21                                 .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
  22                                 .block_size = 64,
  23                                 .key_size = {
  24                                         .min = 1,
  25                                         .max = 64,
  26                                         .increment = 1
  27                                 },
  28                                 .digest_size = {
  29                                         .min = 16,
  30                                         .max = 16,
  31                                         .increment = 0
  32                                 },
  33                                 .iv_size = { 0 }
  34                         }, }
  35                 }, }
  36         },
  37         {       /* MD5 */
  38                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  39                 {.sym = {
  40                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  41                         {.auth = {
  42                                 .algo = RTE_CRYPTO_AUTH_MD5,
  43                                 .block_size = 64,
  44                                 .key_size = {
  45                                         .min = 0,
  46                                         .max = 0,
  47                                         .increment = 0
  48                                 },
  49                                 .digest_size = {
  50                                         .min = 16,
  51                                         .max = 16,
  52                                         .increment = 0
  53                                 },
  54                                 .iv_size = { 0 }
  55                         }, }
  56                 }, }
  57         },
  58         {       /* SHA1 HMAC */
  59                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  60                 {.sym = {
  61                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  62                         {.auth = {
  63                                 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
  64                                 .block_size = 64,
  65                                 .key_size = {
  66                                         .min = 1,
  67                                         .max = 64,
  68                                         .increment = 1
  69                                 },
  70                                 .digest_size = {
  71                                         .min = 20,
  72                                         .max = 20,
  73                                         .increment = 0
  74                                 },
  75                                 .iv_size = { 0 }
  76                         }, }
  77                 }, }
  78         },
  79         {       /* SHA1 */
  80                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  81                 {.sym = {
  82                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  83                         {.auth = {
  84                                 .algo = RTE_CRYPTO_AUTH_SHA1,
  85                                 .block_size = 64,
  86                                 .key_size = {
  87                                         .min = 0,
  88                                         .max = 0,
  89                                         .increment = 0
  90                                 },
  91                                 .digest_size = {
  92                                         .min = 20,
  93                                         .max = 20,
  94                                         .increment = 0
  95                                 },
  96                                 .iv_size = { 0 }
  97                         }, }
  98                 }, }
  99         },
 100         {       /* SHA224 HMAC */
 101                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 102                 {.sym = {
 103                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 104                         {.auth = {
 105                                 .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
 106                                 .block_size = 64,
 107                                 .key_size = {
 108                                         .min = 1,
 109                                         .max = 64,
 110                                         .increment = 1
 111                                 },
 112                                 .digest_size = {
 113                                         .min = 28,
 114                                         .max = 28,
 115                                         .increment = 0
 116                                 },
 117                                 .iv_size = { 0 }
 118                         }, }
 119                 }, }
 120         },
 121         {       /* SHA224 */
 122                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 123                 {.sym = {
 124                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 125                         {.auth = {
 126                                 .algo = RTE_CRYPTO_AUTH_SHA224,
 127                                 .block_size = 64,
 128                                 .key_size = {
 129                                         .min = 0,
 130                                         .max = 0,
 131                                         .increment = 0
 132                                 },
 133                                 .digest_size = {
 134                                         .min = 28,
 135                                         .max = 28,
 136                                         .increment = 0
 137                                 },
 138                                 .iv_size = { 0 }
 139                         }, }
 140                 }, }
 141         },
 142         {       /* SHA256 HMAC */
 143                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 144                 {.sym = {
 145                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 146                         {.auth = {
 147                                 .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
 148                                 .block_size = 64,
 149                                 .key_size = {
 150                                         .min = 1,
 151                                         .max = 64,
 152                                         .increment = 1
 153                                 },
 154                                 .digest_size = {
 155                                         .min = 32,
 156                                         .max = 32,
 157                                         .increment = 0
 158                                 },
 159                                 .iv_size = { 0 }
 160                         }, }
 161                 }, }
 162         },
 163         {       /* SHA256 */
 164                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 165                 {.sym = {
 166                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 167                         {.auth = {
 168                                 .algo = RTE_CRYPTO_AUTH_SHA256,
 169                                 .block_size = 64,
 170                                 .key_size = {
 171                                         .min = 0,
 172                                         .max = 0,
 173                                         .increment = 0
 174                                 },
 175                                 .digest_size = {
 176                                         .min = 32,
 177                                         .max = 32,
 178                                         .increment = 0
 179                                 },
 180                                 .iv_size = { 0 }
 181                         }, }
 182                 }, }
 183         },
 184         {       /* SHA384 HMAC */
 185                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 186                 {.sym = {
 187                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 188                         {.auth = {
 189                                 .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
 190                                 .block_size = 128,
 191                                 .key_size = {
 192                                         .min = 1,
 193                                         .max = 128,
 194                                         .increment = 1
 195                                 },
 196                                 .digest_size = {
 197                                         .min = 48,
 198                                         .max = 48,
 199                                         .increment = 0
 200                                 },
 201                                 .iv_size = { 0 }
 202                         }, }
 203                 }, }
 204         },
 205         {       /* SHA384 */
 206                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 207                 {.sym = {
 208                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 209                         {.auth = {
 210                                 .algo = RTE_CRYPTO_AUTH_SHA384,
 211                                 .block_size = 128,
 212                                 .key_size = {
 213                                         .min = 0,
 214                                         .max = 0,
 215                                         .increment = 0
 216                                 },
 217                                 .digest_size = {
 218                                         .min = 48,
 219                                         .max = 48,
 220                                         .increment = 0
 221                                 },
 222                                 .iv_size = { 0 }
 223                         }, }
 224                 }, }
 225         },
 226         {       /* SHA512 HMAC */
 227                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 228                 {.sym = {
 229                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 230                         {.auth = {
 231                                 .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
 232                                 .block_size = 128,
 233                                 .key_size = {
 234                                         .min = 1,
 235                                         .max = 128,
 236                                         .increment = 1
 237                                 },
 238                                 .digest_size = {
 239                                         .min = 64,
 240                                         .max = 64,
 241                                         .increment = 0
 242                                 },
 243                                 .iv_size = { 0 }
 244                         }, }
 245                 }, }
 246         },
 247         {       /* SHA512  */
 248                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 249                 {.sym = {
 250                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 251                         {.auth = {
 252                                 .algo = RTE_CRYPTO_AUTH_SHA512,
 253                                 .block_size = 128,
 254                                 .key_size = {
 255                                         .min = 0,
 256                                         .max = 0,
 257                                         .increment = 0
 258                                 },
 259                                 .digest_size = {
 260                                         .min = 64,
 261                                         .max = 64,
 262                                         .increment = 0
 263                                 },
 264                                 .iv_size = { 0 }
 265                         }, }
 266                 }, }
 267         },
 268         {       /* AES CBC */
 269                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 270                 {.sym = {
 271                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 272                         {.cipher = {
 273                                 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
 274                                 .block_size = 16,
 275                                 .key_size = {
 276                                         .min = 16,
 277                                         .max = 32,
 278                                         .increment = 8
 279                                 },
 280                                 .iv_size = {
 281                                         .min = 16,
 282                                         .max = 16,
 283                                         .increment = 0
 284                                 }
 285                         }, }
 286                 }, }
 287         },
 288         {       /* AES CTR */
 289                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 290                 {.sym = {
 291                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 292                         {.cipher = {
 293                                 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
 294                                 .block_size = 16,
 295                                 .key_size = {
 296                                         .min = 16,
 297                                         .max = 32,
 298                                         .increment = 8
 299                                 },
 300                                 .iv_size = {
 301                                         .min = 16,
 302                                         .max = 16,
 303                                         .increment = 0
 304                                 }
 305                         }, }
 306                 }, }
 307         },
 308         {       /* AES GCM */
 309                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 310                 {.sym = {
 311                         .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
 312                         {.aead = {
 313                                 .algo = RTE_CRYPTO_AEAD_AES_GCM,
 314                                 .block_size = 16,
 315                                 .key_size = {
 316                                         .min = 16,
 317                                         .max = 32,
 318                                         .increment = 8
 319                                 },
 320                                 .digest_size = {
 321                                         .min = 16,
 322                                         .max = 16,
 323                                         .increment = 0
 324                                 },
 325                                 .aad_size = {
 326                                         .min = 0,
 327                                         .max = 65535,
 328                                         .increment = 1
 329                                 },
 330                                 .iv_size = {
 331                                         .min = 12,
 332                                         .max = 16,
 333                                         .increment = 4
 334                                 },
 335                         }, }
 336                 }, }
 337         },
 338         {       /* AES CCM */
 339                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 340                 {.sym = {
 341                         .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
 342                         {.aead = {
 343                                 .algo = RTE_CRYPTO_AEAD_AES_CCM,
 344                                 .block_size = 16,
 345                                 .key_size = {
 346                                         .min = 16,
 347                                         .max = 32,
 348                                         .increment = 8
 349                                 },
 350                                 .digest_size = {
 351                                         .min = 4,
 352                                         .max = 16,
 353                                         .increment = 2
 354                                 },
 355                                 .aad_size = {
 356                                         .min = 0,
 357                                         .max = 65535,
 358                                         .increment = 1
 359                                 },
 360                                 .iv_size = {
 361                                         .min = 7,
 362                                         .max = 13,
 363                                         .increment = 1
 364                                 },
 365                         }, }
 366                 }, }
 367         },
 368         {       /* AES GMAC (AUTH) */
 369                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 370                 {.sym = {
 371                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 372                         {.auth = {
 373                                 .algo = RTE_CRYPTO_AUTH_AES_GMAC,
 374                                 .block_size = 16,
 375                                 .key_size = {
 376                                         .min = 16,
 377                                         .max = 32,
 378                                         .increment = 8
 379                                 },
 380                                 .digest_size = {
 381                                         .min = 16,
 382                                         .max = 16,
 383                                         .increment = 0
 384                                 },
 385                                 .iv_size = {
 386                                         .min = 12,
 387                                         .max = 16,
 388                                         .increment = 4
 389                                 }
 390                         }, }
 391                 }, }
 392         },
 393         {       /* 3DES CBC */
 394                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 395                 {.sym = {
 396                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 397                         {.cipher = {
 398                                 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
 399                                 .block_size = 8,
 400                                 .key_size = {
 401                                         .min = 8,
 402                                         .max = 24,
 403                                         .increment = 8
 404                                 },
 405                                 .iv_size = {
 406                                         .min = 8,
 407                                         .max = 8,
 408                                         .increment = 0
 409                                 }
 410                         }, }
 411                 }, }
 412         },
 413         {       /* 3DES CTR */
 414                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 415                 {.sym = {
 416                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 417                         {.cipher = {
 418                                 .algo = RTE_CRYPTO_CIPHER_3DES_CTR,
 419                                 .block_size = 8,
 420                                 .key_size = {
 421                                         .min = 16,
 422                                         .max = 24,
 423                                         .increment = 8
 424                                 },
 425                                 .iv_size = {
 426                                         .min = 8,
 427                                         .max = 8,
 428                                         .increment = 0
 429                                 }
 430                         }, }
 431                 }, }
 432         },
 433         {       /* DES CBC */
 434                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 435                 {.sym = {
 436                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 437                         {.cipher = {
 438                                 .algo = RTE_CRYPTO_CIPHER_DES_CBC,
 439                                 .block_size = 8,
 440                                 .key_size = {
 441                                         .min = 8,
 442                                         .max = 8,
 443                                         .increment = 0
 444                                 },
 445                                 .iv_size = {
 446                                         .min = 8,
 447                                         .max = 8,
 448                                         .increment = 0
 449                                 }
 450                         }, }
 451                 }, }
 452         },
 453         {       /* DES DOCSIS BPI */
 454                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 455                 {.sym = {
 456                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 457                         {.cipher = {
 458                                 .algo = RTE_CRYPTO_CIPHER_DES_DOCSISBPI,
 459                                 .block_size = 8,
 460                                 .key_size = {
 461                                         .min = 8,
 462                                         .max = 8,
 463                                         .increment = 0
 464                                 },
 465                                 .iv_size = {
 466                                         .min = 8,
 467                                         .max = 8,
 468                                         .increment = 0
 469                                 }
 470                         }, }
 471                 }, }
 472         },
 473         {       /* RSA */
 474                 .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
 475                 {.asym = {
 476                         .xform_capa = {
 477                                 .xform_type = RTE_CRYPTO_ASYM_XFORM_RSA,
 478                                 .op_types = ((1 << RTE_CRYPTO_ASYM_OP_SIGN) |
 479                                         (1 << RTE_CRYPTO_ASYM_OP_VERIFY) |
 480                                         (1 << RTE_CRYPTO_ASYM_OP_ENCRYPT) |
 481                                         (1 << RTE_CRYPTO_ASYM_OP_DECRYPT)),
 482                                 {
 483                                 .modlen = {
 484                                 /* min length is based on openssl rsa keygen */
 485                                 .min = 30,
 486                                 /* value 0 symbolizes no limit on max length */
 487                                 .max = 0,
 488                                 .increment = 1
 489                                 }, }
 490                         }
 491                 },
 492                 }
 493         },
 494         {       /* modexp */
 495                 .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
 496                 {.asym = {
 497                         .xform_capa = {
 498                                 .xform_type = RTE_CRYPTO_ASYM_XFORM_MODEX,
 499                                 .op_types = 0,
 500                                 {
 501                                 .modlen = {
 502                                 /* value 0 symbolizes no limit on min length */
 503                                 .min = 0,
 504                                 /* value 0 symbolizes no limit on max length */
 505                                 .max = 0,
 506                                 .increment = 1
 507                                 }, }
 508                         }
 509                 },
 510                 }
 511         },
 512         {       /* modinv */
 513                 .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
 514                 {.asym = {
 515                         .xform_capa = {
 516                                 .xform_type = RTE_CRYPTO_ASYM_XFORM_MODINV,
 517                                 .op_types = 0,
 518                                 {
 519                                 .modlen = {
 520                                 /* value 0 symbolizes no limit on min length */
 521                                 .min = 0,
 522                                 /* value 0 symbolizes no limit on max length */
 523                                 .max = 0,
 524                                 .increment = 1
 525                                 }, }
 526                         }
 527                 },
 528                 }
 529         },
 530
 531         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 532 };
 533
 534
 535 /** Configure device */
 536 static int
 537 openssl_pmd_config(__rte_unused struct rte_cryptodev *dev,
 538                 __rte_unused struct rte_cryptodev_config *config)
 539 {
 540         return 0;
 541 }
 542
 543 /** Start device */
 544 static int
 545 openssl_pmd_start(__rte_unused struct rte_cryptodev *dev)
 546 {
 547         return 0;
 548 }
 549
 550 /** Stop device */
 551 static void
 552 openssl_pmd_stop(__rte_unused struct rte_cryptodev *dev)
 553 {
 554 }
 555
 556 /** Close device */
 557 static int
 558 openssl_pmd_close(__rte_unused struct rte_cryptodev *dev)
 559 {
 560         return 0;
 561 }
 562
 563
 564 /** Get device statistics */
 565 static void
 566 openssl_pmd_stats_get(struct rte_cryptodev *dev,
 567                 struct rte_cryptodev_stats *stats)
 568 {
 569         int qp_id;
 570
 571         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 572                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 573
 574                 stats->enqueued_count += qp->stats.enqueued_count;
 575                 stats->dequeued_count += qp->stats.dequeued_count;
 576
 577                 stats->enqueue_err_count += qp->stats.enqueue_err_count;
 578                 stats->dequeue_err_count += qp->stats.dequeue_err_count;
 579         }
 580 }
 581
 582 /** Reset device statistics */
 583 static void
 584 openssl_pmd_stats_reset(struct rte_cryptodev *dev)
 585 {
 586         int qp_id;
 587
 588         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 589                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 590
 591                 memset(&qp->stats, 0, sizeof(qp->stats));
 592         }
 593 }
 594
 595
 596 /** Get device info */
 597 static void
 598 openssl_pmd_info_get(struct rte_cryptodev *dev,
 599                 struct rte_cryptodev_info *dev_info)
 600 {
 601         struct openssl_private *internals = dev->data->dev_private;
 602
 603         if (dev_info != NULL) {
 604                 dev_info->driver_id = dev->driver_id;
 605                 dev_info->feature_flags = dev->feature_flags;
 606                 dev_info->capabilities = openssl_pmd_capabilities;
 607                 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
 608                 /* No limit of number of sessions */
 609                 dev_info->sym.max_nb_sessions = 0;
 610         }
 611 }
 612
 613 /** Release queue pair */
 614 static int
 615 openssl_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
 616 {
 617         if (dev->data->queue_pairs[qp_id] != NULL) {
 618                 rte_free(dev->data->queue_pairs[qp_id]);
 619                 dev->data->queue_pairs[qp_id] = NULL;
 620         }
 621         return 0;
 622 }
 623
 624 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
 625 static int
 626 openssl_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
 627                 struct openssl_qp *qp)
 628 {
 629         unsigned int n = snprintf(qp->name, sizeof(qp->name),
 630                         "openssl_pmd_%u_qp_%u",
 631                         dev->data->dev_id, qp->id);
 632
 633         if (n >= sizeof(qp->name))
 634                 return -1;
 635
 636         return 0;
 637 }
 638
 639
 640 /** Create a ring to place processed operations on */
 641 static struct rte_ring *
 642 openssl_pmd_qp_create_processed_ops_ring(struct openssl_qp *qp,
 643                 unsigned int ring_size, int socket_id)
 644 {
 645         struct rte_ring *r;
 646
 647         r = rte_ring_lookup(qp->name);
 648         if (r) {
 649                 if (rte_ring_get_size(r) >= ring_size) {
 650                         OPENSSL_LOG(INFO,
 651                                         "Reusing existing ring %s for processed ops",
 652                                  qp->name);
 653                         return r;
 654                 }
 655
 656                 OPENSSL_LOG(ERR,
 657                                 "Unable to reuse existing ring %s for processed ops",
 658                          qp->name);
 659                 return NULL;
 660         }
 661
 662         return rte_ring_create(qp->name, ring_size, socket_id,
 663                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 664 }
 665
 666
 667 /** Setup a queue pair */
 668 static int
 669 openssl_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 670                 const struct rte_cryptodev_qp_conf *qp_conf,
 671                 int socket_id, struct rte_mempool *session_pool)
 672 {
 673         struct openssl_qp *qp = NULL;
 674
 675         /* Free memory prior to re-allocation if needed. */
 676         if (dev->data->queue_pairs[qp_id] != NULL)
 677                 openssl_pmd_qp_release(dev, qp_id);
 678
 679         /* Allocate the queue pair data structure. */
 680         qp = rte_zmalloc_socket("OPENSSL PMD Queue Pair", sizeof(*qp),
 681                                         RTE_CACHE_LINE_SIZE, socket_id);
 682         if (qp == NULL)
 683                 return -ENOMEM;
 684
 685         qp->id = qp_id;
 686         dev->data->queue_pairs[qp_id] = qp;
 687
 688         if (openssl_pmd_qp_set_unique_name(dev, qp))
 689                 goto qp_setup_cleanup;
 690
 691         qp->processed_ops = openssl_pmd_qp_create_processed_ops_ring(qp,
 692                         qp_conf->nb_descriptors, socket_id);
 693         if (qp->processed_ops == NULL)
 694                 goto qp_setup_cleanup;
 695
 696         qp->sess_mp = session_pool;
 697
 698         memset(&qp->stats, 0, sizeof(qp->stats));
 699
 700         return 0;
 701
 702 qp_setup_cleanup:
 703         if (qp)
 704                 rte_free(qp);
 705
 706         return -1;
 707 }
 708
 709 /** Return the number of allocated queue pairs */
 710 static uint32_t
 711 openssl_pmd_qp_count(struct rte_cryptodev *dev)
 712 {
 713         return dev->data->nb_queue_pairs;
 714 }
 715
 716 /** Returns the size of the symmetric session structure */
 717 static unsigned
 718 openssl_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
 719 {
 720         return sizeof(struct openssl_session);
 721 }
 722
 723 /** Returns the size of the asymmetric session structure */
 724 static unsigned
 725 openssl_pmd_asym_session_get_size(struct rte_cryptodev *dev __rte_unused)
 726 {
 727         return sizeof(struct openssl_asym_session);
 728 }
 729
 730 /** Configure the session from a crypto xform chain */
 731 static int
 732 openssl_pmd_sym_session_configure(struct rte_cryptodev *dev __rte_unused,
 733                 struct rte_crypto_sym_xform *xform,
 734                 struct rte_cryptodev_sym_session *sess,
 735                 struct rte_mempool *mempool)
 736 {
 737         void *sess_private_data;
 738         int ret;
 739
 740         if (unlikely(sess == NULL)) {
 741                 OPENSSL_LOG(ERR, "invalid session struct");
 742                 return -EINVAL;
 743         }
 744
 745         if (rte_mempool_get(mempool, &sess_private_data)) {
 746                 OPENSSL_LOG(ERR,
 747                         "Couldn't get object from session mempool");
 748                 return -ENOMEM;
 749         }
 750
 751         ret = openssl_set_session_parameters(sess_private_data, xform);
 752         if (ret != 0) {
 753                 OPENSSL_LOG(ERR, "failed configure session parameters");
 754
 755                 /* Return session to mempool */
 756                 rte_mempool_put(mempool, sess_private_data);
 757                 return ret;
 758         }
 759
 760         set_sym_session_private_data(sess, dev->driver_id,
 761                         sess_private_data);
 762
 763         return 0;
 764 }
 765
 766 static int openssl_set_asym_session_parameters(
 767                 struct openssl_asym_session *asym_session,
 768                 struct rte_crypto_asym_xform *xform)
 769 {
 770         int ret = 0;
 771
 772         if (xform->next != NULL) {
 773                 OPENSSL_LOG(ERR, "chained xfrms are not supported on %s",
 774                         rte_crypto_asym_xform_strings[xform->xform_type]);
 775                 return -1;
 776         }
 777
 778         switch (xform->xform_type) {
 779         case RTE_CRYPTO_ASYM_XFORM_RSA:
 780         {
 781                 BIGNUM *n = NULL;
 782                 BIGNUM *e = NULL;
 783                 BIGNUM *d = NULL;
 784                 BIGNUM *p = NULL, *q = NULL, *dmp1 = NULL;
 785                 BIGNUM *iqmp = NULL, *dmq1 = NULL;
 786
 787                 /* copy xfrm data into rsa struct */
 788                 n = BN_bin2bn((const unsigned char *)xform->rsa.n.data,
 789                                 xform->rsa.n.length, n);
 790                 e = BN_bin2bn((const unsigned char *)xform->rsa.e.data,
 791                                 xform->rsa.e.length, e);
 792
 793                 if (!n || !e)
 794                         goto err_rsa;
 795
 796                 RSA *rsa = RSA_new();
 797                 if (rsa == NULL)
 798                         goto err_rsa;
 799
 800                 if (xform->rsa.key_type == RTE_RSA_KEY_TYPE_EXP) {
 801                         d = BN_bin2bn(
 802                         (const unsigned char *)xform->rsa.d.data,
 803                         xform->rsa.d.length,
 804                         d);
 805                         if (!d) {
 806                                 RSA_free(rsa);
 807                                 goto err_rsa;
 808                         }
 809                 } else {
 810                         p = BN_bin2bn((const unsigned char *)
 811                                         xform->rsa.qt.p.data,
 812                                         xform->rsa.qt.p.length,
 813                                         p);
 814                         q = BN_bin2bn((const unsigned char *)
 815                                         xform->rsa.qt.q.data,
 816                                         xform->rsa.qt.q.length,
 817                                         q);
 818                         dmp1 = BN_bin2bn((const unsigned char *)
 819                                         xform->rsa.qt.dP.data,
 820                                         xform->rsa.qt.dP.length,
 821                                         dmp1);
 822                         dmq1 = BN_bin2bn((const unsigned char *)
 823                                         xform->rsa.qt.dQ.data,
 824                                         xform->rsa.qt.dQ.length,
 825                                         dmq1);
 826                         iqmp = BN_bin2bn((const unsigned char *)
 827                                         xform->rsa.qt.qInv.data,
 828                                         xform->rsa.qt.qInv.length,
 829                                         iqmp);
 830
 831                         if (!p || !q || !dmp1 || !dmq1 || !iqmp) {
 832                                 RSA_free(rsa);
 833                                 goto err_rsa;
 834                         }
 835                         set_rsa_params(rsa, p, q, ret);
 836                         if (ret) {
 837                                 OPENSSL_LOG(ERR,
 838                                         "failed to set rsa params\n");
 839                                 RSA_free(rsa);
 840                                 goto err_rsa;
 841                         }
 842                         set_rsa_crt_params(rsa, dmp1, dmq1, iqmp, ret);
 843                         if (ret) {
 844                                 OPENSSL_LOG(ERR,
 845                                         "failed to set crt params\n");
 846                                 RSA_free(rsa);
 847                                 /*
 848                                  * set already populated params to NULL
 849                                  * as its freed by call to RSA_free
 850                                  */
 851                                 p = q = NULL;
 852                                 goto err_rsa;
 853                         }
 854                 }
 855
 856                 set_rsa_keys(rsa, n, e, d, ret);
 857                 if (ret) {
 858                         OPENSSL_LOG(ERR, "Failed to load rsa keys\n");
 859                         RSA_free(rsa);
 860                         return -1;
 861                 }
 862                 asym_session->u.r.rsa = rsa;
 863                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_RSA;
 864                 break;
 865 err_rsa:
 866                 if (n)
 867                         BN_free(n);
 868                 if (e)
 869                         BN_free(e);
 870                 if (d)
 871                         BN_free(d);
 872                 if (p)
 873                         BN_free(p);
 874                 if (q)
 875                         BN_free(q);
 876                 if (dmp1)
 877                         BN_free(dmp1);
 878                 if (dmq1)
 879                         BN_free(dmq1);
 880                 if (iqmp)
 881                         BN_free(iqmp);
 882
 883                 return -1;
 884         }
 885         case RTE_CRYPTO_ASYM_XFORM_MODEX:
 886         {
 887                 struct rte_crypto_modex_xform *xfrm = &(xform->modex);
 888
 889                 BN_CTX *ctx = BN_CTX_new();
 890                 if (ctx == NULL) {
 891                         OPENSSL_LOG(ERR,
 892                                 " failed to allocate resources\n");
 893                         return -1;
 894                 }
 895                 BN_CTX_start(ctx);
 896                 BIGNUM *mod = BN_CTX_get(ctx);
 897                 BIGNUM *exp = BN_CTX_get(ctx);
 898                 if (mod == NULL || exp == NULL) {
 899                         BN_CTX_end(ctx);
 900                         BN_CTX_free(ctx);
 901                         return -1;
 902                 }
 903
 904                 mod = BN_bin2bn((const unsigned char *)
 905                                 xfrm->modulus.data,
 906                                 xfrm->modulus.length, mod);
 907                 exp = BN_bin2bn((const unsigned char *)
 908                                 xfrm->exponent.data,
 909                                 xfrm->exponent.length, exp);
 910                 asym_session->u.e.ctx = ctx;
 911                 asym_session->u.e.mod = mod;
 912                 asym_session->u.e.exp = exp;
 913                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_MODEX;
 914                 break;
 915         }
 916         case RTE_CRYPTO_ASYM_XFORM_MODINV:
 917         {
 918                 struct rte_crypto_modinv_xform *xfrm = &(xform->modinv);
 919
 920                 BN_CTX *ctx = BN_CTX_new();
 921                 if (ctx == NULL) {
 922                         OPENSSL_LOG(ERR,
 923                                 " failed to allocate resources\n");
 924                         return -1;
 925                 }
 926                 BN_CTX_start(ctx);
 927                 BIGNUM *mod = BN_CTX_get(ctx);
 928                 if (mod == NULL) {
 929                         BN_CTX_end(ctx);
 930                         BN_CTX_free(ctx);
 931                         return -1;
 932                 }
 933
 934                 mod = BN_bin2bn((const unsigned char *)
 935                                 xfrm->modulus.data,
 936                                 xfrm->modulus.length,
 937                                 mod);
 938                 asym_session->u.m.ctx = ctx;
 939                 asym_session->u.m.modulus = mod;
 940                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_MODINV;
 941                 break;
 942         }
 943         default:
 944                 return -1;
 945         }
 946
 947         return 0;
 948 }
 949
 950 /** Configure the session from a crypto xform chain */
 951 static int
 952 openssl_pmd_asym_session_configure(struct rte_cryptodev *dev __rte_unused,
 953                 struct rte_crypto_asym_xform *xform,
 954                 struct rte_cryptodev_asym_session *sess,
 955                 struct rte_mempool *mempool)
 956 {
 957         void *asym_sess_private_data;
 958         int ret;
 959
 960         if (unlikely(sess == NULL)) {
 961                 OPENSSL_LOG(ERR, "invalid asymmetric session struct");
 962                 return -EINVAL;
 963         }
 964
 965         if (rte_mempool_get(mempool, &asym_sess_private_data)) {
 966                 CDEV_LOG_ERR(
 967                         "Couldn't get object from session mempool");
 968                 return -ENOMEM;
 969         }
 970
 971         ret = openssl_set_asym_session_parameters(asym_sess_private_data,
 972                         xform);
 973         if (ret != 0) {
 974                 OPENSSL_LOG(ERR, "failed configure session parameters");
 975
 976                 /* Return session to mempool */
 977                 rte_mempool_put(mempool, asym_sess_private_data);
 978                 return ret;
 979         }
 980
 981         set_asym_session_private_data(sess, dev->driver_id,
 982                         asym_sess_private_data);
 983
 984         return 0;
 985 }
 986
 987 /** Clear the memory of session so it doesn't leave key material behind */
 988 static void
 989 openssl_pmd_sym_session_clear(struct rte_cryptodev *dev,
 990                 struct rte_cryptodev_sym_session *sess)
 991 {
 992         uint8_t index = dev->driver_id;
 993         void *sess_priv = get_sym_session_private_data(sess, index);
 994
 995         /* Zero out the whole structure */
 996         if (sess_priv) {
 997                 openssl_reset_session(sess_priv);
 998                 memset(sess_priv, 0, sizeof(struct openssl_session));
 999                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
1000                 set_sym_session_private_data(sess, index, NULL);
1001                 rte_mempool_put(sess_mp, sess_priv);
1002         }
1003 }
1004
1005 static void openssl_reset_asym_session(struct openssl_asym_session *sess)
1006 {
1007         switch (sess->xfrm_type) {
1008         case RTE_CRYPTO_ASYM_XFORM_RSA:
1009                 if (sess->u.r.rsa)
1010                         RSA_free(sess->u.r.rsa);
1011                 break;
1012         case RTE_CRYPTO_ASYM_XFORM_MODEX:
1013                 if (sess->u.e.ctx) {
1014                         BN_CTX_end(sess->u.e.ctx);
1015                         BN_CTX_free(sess->u.e.ctx);
1016                 }
1017                 break;
1018         case RTE_CRYPTO_ASYM_XFORM_MODINV:
1019                 if (sess->u.m.ctx) {
1020                         BN_CTX_end(sess->u.m.ctx);
1021                         BN_CTX_free(sess->u.m.ctx);
1022                 }
1023                 break;
1024         default:
1025                 break;
1026         }
1027 }
1028
1029 /** Clear the memory of asymmetric session
1030  * so it doesn't leave key material behind
1031  */
1032 static void
1033 openssl_pmd_asym_session_clear(struct rte_cryptodev *dev,
1034                 struct rte_cryptodev_asym_session *sess)
1035 {
1036         uint8_t index = dev->driver_id;
1037         void *sess_priv = get_asym_session_private_data(sess, index);
1038
1039         /* Zero out the whole structure */
1040         if (sess_priv) {
1041                 openssl_reset_asym_session(sess_priv);
1042                 memset(sess_priv, 0, sizeof(struct openssl_asym_session));
1043                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
1044                 set_asym_session_private_data(sess, index, NULL);
1045                 rte_mempool_put(sess_mp, sess_priv);
1046         }
1047 }
1048
1049 struct rte_cryptodev_ops openssl_pmd_ops = {
1050                 .dev_configure          = openssl_pmd_config,
1051                 .dev_start              = openssl_pmd_start,
1052                 .dev_stop               = openssl_pmd_stop,
1053                 .dev_close              = openssl_pmd_close,
1054
1055                 .stats_get              = openssl_pmd_stats_get,
1056                 .stats_reset            = openssl_pmd_stats_reset,
1057
1058                 .dev_infos_get          = openssl_pmd_info_get,
1059
1060                 .queue_pair_setup       = openssl_pmd_qp_setup,
1061                 .queue_pair_release     = openssl_pmd_qp_release,
1062                 .queue_pair_count       = openssl_pmd_qp_count,
1063
1064                 .sym_session_get_size   = openssl_pmd_sym_session_get_size,
1065                 .asym_session_get_size  = openssl_pmd_asym_session_get_size,
1066                 .sym_session_configure  = openssl_pmd_sym_session_configure,
1067                 .asym_session_configure = openssl_pmd_asym_session_configure,
1068                 .sym_session_clear      = openssl_pmd_sym_session_clear,
1069                 .asym_session_clear     = openssl_pmd_asym_session_clear
1070 };
1071
1072 struct rte_cryptodev_ops *rte_openssl_pmd_ops = &openssl_pmd_ops;