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 = 1,
  30                                         .max = 16,
  31                                         .increment = 1
  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 = 1,
  72                                         .max = 20,
  73                                         .increment = 1
  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 = 1,
 114                                         .max = 28,
 115                                         .increment = 1
 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 = 1,
 135                                         .max = 28,
 136                                         .increment = 1
 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 = 1,
 156                                         .max = 32,
 157                                         .increment = 1
 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 = 1,
 198                                         .max = 48,
 199                                         .increment = 1
 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 = 1,
 240                                         .max = 64,
 241                                         .increment = 1
 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         {       /* dh */
 531                 .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
 532                 {.asym = {
 533                         .xform_capa = {
 534                                 .xform_type = RTE_CRYPTO_ASYM_XFORM_DH,
 535                                 .op_types =
 536                                 ((1<<RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE) |
 537                                 (1 << RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE |
 538                                 (1 <<
 539                                 RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE))),
 540                                 {
 541                                 .modlen = {
 542                                 /* value 0 symbolizes no limit on min length */
 543                                 .min = 0,
 544                                 /* value 0 symbolizes no limit on max length */
 545                                 .max = 0,
 546                                 .increment = 1
 547                                 }, }
 548                         }
 549                 },
 550                 }
 551         },
 552         {       /* dsa */
 553                 .op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
 554                 {.asym = {
 555                         .xform_capa = {
 556                                 .xform_type = RTE_CRYPTO_ASYM_XFORM_DSA,
 557                                 .op_types =
 558                                 ((1<<RTE_CRYPTO_ASYM_OP_SIGN) |
 559                                 (1 << RTE_CRYPTO_ASYM_OP_VERIFY)),
 560                                 {
 561                                 .modlen = {
 562                                 /* value 0 symbolizes no limit on min length */
 563                                 .min = 0,
 564                                 /* value 0 symbolizes no limit on max length */
 565                                 .max = 0,
 566                                 .increment = 1
 567                                 }, }
 568                         }
 569                 },
 570                 }
 571         },
 572
 573         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 574 };
 575
 576
 577 /** Configure device */
 578 static int
 579 openssl_pmd_config(__rte_unused struct rte_cryptodev *dev,
 580                 __rte_unused struct rte_cryptodev_config *config)
 581 {
 582         return 0;
 583 }
 584
 585 /** Start device */
 586 static int
 587 openssl_pmd_start(__rte_unused struct rte_cryptodev *dev)
 588 {
 589         return 0;
 590 }
 591
 592 /** Stop device */
 593 static void
 594 openssl_pmd_stop(__rte_unused struct rte_cryptodev *dev)
 595 {
 596 }
 597
 598 /** Close device */
 599 static int
 600 openssl_pmd_close(__rte_unused struct rte_cryptodev *dev)
 601 {
 602         return 0;
 603 }
 604
 605
 606 /** Get device statistics */
 607 static void
 608 openssl_pmd_stats_get(struct rte_cryptodev *dev,
 609                 struct rte_cryptodev_stats *stats)
 610 {
 611         int qp_id;
 612
 613         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 614                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 615
 616                 stats->enqueued_count += qp->stats.enqueued_count;
 617                 stats->dequeued_count += qp->stats.dequeued_count;
 618
 619                 stats->enqueue_err_count += qp->stats.enqueue_err_count;
 620                 stats->dequeue_err_count += qp->stats.dequeue_err_count;
 621         }
 622 }
 623
 624 /** Reset device statistics */
 625 static void
 626 openssl_pmd_stats_reset(struct rte_cryptodev *dev)
 627 {
 628         int qp_id;
 629
 630         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 631                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 632
 633                 memset(&qp->stats, 0, sizeof(qp->stats));
 634         }
 635 }
 636
 637
 638 /** Get device info */
 639 static void
 640 openssl_pmd_info_get(struct rte_cryptodev *dev,
 641                 struct rte_cryptodev_info *dev_info)
 642 {
 643         struct openssl_private *internals = dev->data->dev_private;
 644
 645         if (dev_info != NULL) {
 646                 dev_info->driver_id = dev->driver_id;
 647                 dev_info->feature_flags = dev->feature_flags;
 648                 dev_info->capabilities = openssl_pmd_capabilities;
 649                 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
 650                 /* No limit of number of sessions */
 651                 dev_info->sym.max_nb_sessions = 0;
 652         }
 653 }
 654
 655 /** Release queue pair */
 656 static int
 657 openssl_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
 658 {
 659         if (dev->data->queue_pairs[qp_id] != NULL) {
 660                 struct openssl_qp *qp = dev->data->queue_pairs[qp_id];
 661
 662                 if (qp->processed_ops)
 663                         rte_ring_free(qp->processed_ops);
 664
 665                 rte_free(dev->data->queue_pairs[qp_id]);
 666                 dev->data->queue_pairs[qp_id] = NULL;
 667         }
 668         return 0;
 669 }
 670
 671 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
 672 static int
 673 openssl_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
 674                 struct openssl_qp *qp)
 675 {
 676         unsigned int n = snprintf(qp->name, sizeof(qp->name),
 677                         "openssl_pmd_%u_qp_%u",
 678                         dev->data->dev_id, qp->id);
 679
 680         if (n >= sizeof(qp->name))
 681                 return -1;
 682
 683         return 0;
 684 }
 685
 686
 687 /** Create a ring to place processed operations on */
 688 static struct rte_ring *
 689 openssl_pmd_qp_create_processed_ops_ring(struct openssl_qp *qp,
 690                 unsigned int ring_size, int socket_id)
 691 {
 692         struct rte_ring *r;
 693
 694         r = rte_ring_lookup(qp->name);
 695         if (r) {
 696                 if (rte_ring_get_size(r) >= ring_size) {
 697                         OPENSSL_LOG(INFO,
 698                                         "Reusing existing ring %s for processed ops",
 699                                  qp->name);
 700                         return r;
 701                 }
 702
 703                 OPENSSL_LOG(ERR,
 704                                 "Unable to reuse existing ring %s for processed ops",
 705                          qp->name);
 706                 return NULL;
 707         }
 708
 709         return rte_ring_create(qp->name, ring_size, socket_id,
 710                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 711 }
 712
 713
 714 /** Setup a queue pair */
 715 static int
 716 openssl_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 717                 const struct rte_cryptodev_qp_conf *qp_conf,
 718                 int socket_id)
 719 {
 720         struct openssl_qp *qp = NULL;
 721
 722         /* Free memory prior to re-allocation if needed. */
 723         if (dev->data->queue_pairs[qp_id] != NULL)
 724                 openssl_pmd_qp_release(dev, qp_id);
 725
 726         /* Allocate the queue pair data structure. */
 727         qp = rte_zmalloc_socket("OPENSSL PMD Queue Pair", sizeof(*qp),
 728                                         RTE_CACHE_LINE_SIZE, socket_id);
 729         if (qp == NULL)
 730                 return -ENOMEM;
 731
 732         qp->id = qp_id;
 733         dev->data->queue_pairs[qp_id] = qp;
 734
 735         if (openssl_pmd_qp_set_unique_name(dev, qp))
 736                 goto qp_setup_cleanup;
 737
 738         qp->processed_ops = openssl_pmd_qp_create_processed_ops_ring(qp,
 739                         qp_conf->nb_descriptors, socket_id);
 740         if (qp->processed_ops == NULL)
 741                 goto qp_setup_cleanup;
 742
 743         qp->sess_mp = qp_conf->mp_session;
 744         qp->sess_mp_priv = qp_conf->mp_session_private;
 745
 746         memset(&qp->stats, 0, sizeof(qp->stats));
 747
 748         return 0;
 749
 750 qp_setup_cleanup:
 751         if (qp)
 752                 rte_free(qp);
 753
 754         return -1;
 755 }
 756
 757 /** Return the number of allocated queue pairs */
 758 static uint32_t
 759 openssl_pmd_qp_count(struct rte_cryptodev *dev)
 760 {
 761         return dev->data->nb_queue_pairs;
 762 }
 763
 764 /** Returns the size of the symmetric session structure */
 765 static unsigned
 766 openssl_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
 767 {
 768         return sizeof(struct openssl_session);
 769 }
 770
 771 /** Returns the size of the asymmetric session structure */
 772 static unsigned
 773 openssl_pmd_asym_session_get_size(struct rte_cryptodev *dev __rte_unused)
 774 {
 775         return sizeof(struct openssl_asym_session);
 776 }
 777
 778 /** Configure the session from a crypto xform chain */
 779 static int
 780 openssl_pmd_sym_session_configure(struct rte_cryptodev *dev __rte_unused,
 781                 struct rte_crypto_sym_xform *xform,
 782                 struct rte_cryptodev_sym_session *sess,
 783                 struct rte_mempool *mempool)
 784 {
 785         void *sess_private_data;
 786         int ret;
 787
 788         if (unlikely(sess == NULL)) {
 789                 OPENSSL_LOG(ERR, "invalid session struct");
 790                 return -EINVAL;
 791         }
 792
 793         if (rte_mempool_get(mempool, &sess_private_data)) {
 794                 OPENSSL_LOG(ERR,
 795                         "Couldn't get object from session mempool");
 796                 return -ENOMEM;
 797         }
 798
 799         ret = openssl_set_session_parameters(sess_private_data, xform);
 800         if (ret != 0) {
 801                 OPENSSL_LOG(ERR, "failed configure session parameters");
 802
 803                 /* Return session to mempool */
 804                 rte_mempool_put(mempool, sess_private_data);
 805                 return ret;
 806         }
 807
 808         set_sym_session_private_data(sess, dev->driver_id,
 809                         sess_private_data);
 810
 811         return 0;
 812 }
 813
 814 static int openssl_set_asym_session_parameters(
 815                 struct openssl_asym_session *asym_session,
 816                 struct rte_crypto_asym_xform *xform)
 817 {
 818         int ret = 0;
 819
 820         if ((xform->xform_type != RTE_CRYPTO_ASYM_XFORM_DH) &&
 821                 (xform->next != NULL)) {
 822                 OPENSSL_LOG(ERR, "chained xfrms are not supported on %s",
 823                         rte_crypto_asym_xform_strings[xform->xform_type]);
 824                 return -1;
 825         }
 826
 827         switch (xform->xform_type) {
 828         case RTE_CRYPTO_ASYM_XFORM_RSA:
 829         {
 830                 BIGNUM *n = NULL;
 831                 BIGNUM *e = NULL;
 832                 BIGNUM *d = NULL;
 833                 BIGNUM *p = NULL, *q = NULL, *dmp1 = NULL;
 834                 BIGNUM *iqmp = NULL, *dmq1 = NULL;
 835
 836                 /* copy xfrm data into rsa struct */
 837                 n = BN_bin2bn((const unsigned char *)xform->rsa.n.data,
 838                                 xform->rsa.n.length, n);
 839                 e = BN_bin2bn((const unsigned char *)xform->rsa.e.data,
 840                                 xform->rsa.e.length, e);
 841
 842                 if (!n || !e)
 843                         goto err_rsa;
 844
 845                 RSA *rsa = RSA_new();
 846                 if (rsa == NULL)
 847                         goto err_rsa;
 848
 849                 if (xform->rsa.key_type == RTE_RSA_KEY_TYPE_EXP) {
 850                         d = BN_bin2bn(
 851                         (const unsigned char *)xform->rsa.d.data,
 852                         xform->rsa.d.length,
 853                         d);
 854                         if (!d) {
 855                                 RSA_free(rsa);
 856                                 goto err_rsa;
 857                         }
 858                 } else {
 859                         p = BN_bin2bn((const unsigned char *)
 860                                         xform->rsa.qt.p.data,
 861                                         xform->rsa.qt.p.length,
 862                                         p);
 863                         q = BN_bin2bn((const unsigned char *)
 864                                         xform->rsa.qt.q.data,
 865                                         xform->rsa.qt.q.length,
 866                                         q);
 867                         dmp1 = BN_bin2bn((const unsigned char *)
 868                                         xform->rsa.qt.dP.data,
 869                                         xform->rsa.qt.dP.length,
 870                                         dmp1);
 871                         dmq1 = BN_bin2bn((const unsigned char *)
 872                                         xform->rsa.qt.dQ.data,
 873                                         xform->rsa.qt.dQ.length,
 874                                         dmq1);
 875                         iqmp = BN_bin2bn((const unsigned char *)
 876                                         xform->rsa.qt.qInv.data,
 877                                         xform->rsa.qt.qInv.length,
 878                                         iqmp);
 879
 880                         if (!p || !q || !dmp1 || !dmq1 || !iqmp) {
 881                                 RSA_free(rsa);
 882                                 goto err_rsa;
 883                         }
 884                         ret = set_rsa_params(rsa, p, q);
 885                         if (ret) {
 886                                 OPENSSL_LOG(ERR,
 887                                         "failed to set rsa params\n");
 888                                 RSA_free(rsa);
 889                                 goto err_rsa;
 890                         }
 891                         ret = set_rsa_crt_params(rsa, dmp1, dmq1, iqmp);
 892                         if (ret) {
 893                                 OPENSSL_LOG(ERR,
 894                                         "failed to set crt params\n");
 895                                 RSA_free(rsa);
 896                                 /*
 897                                  * set already populated params to NULL
 898                                  * as its freed by call to RSA_free
 899                                  */
 900                                 p = q = NULL;
 901                                 goto err_rsa;
 902                         }
 903                 }
 904
 905                 ret = set_rsa_keys(rsa, n, e, d);
 906                 if (ret) {
 907                         OPENSSL_LOG(ERR, "Failed to load rsa keys\n");
 908                         RSA_free(rsa);
 909                         return -1;
 910                 }
 911                 asym_session->u.r.rsa = rsa;
 912                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_RSA;
 913                 break;
 914 err_rsa:
 915                 BN_free(n);
 916                 BN_free(e);
 917                 BN_free(d);
 918                 BN_free(p);
 919                 BN_free(q);
 920                 BN_free(dmp1);
 921                 BN_free(dmq1);
 922                 BN_free(iqmp);
 923
 924                 return -1;
 925         }
 926         case RTE_CRYPTO_ASYM_XFORM_MODEX:
 927         {
 928                 struct rte_crypto_modex_xform *xfrm = &(xform->modex);
 929
 930                 BN_CTX *ctx = BN_CTX_new();
 931                 if (ctx == NULL) {
 932                         OPENSSL_LOG(ERR,
 933                                 " failed to allocate resources\n");
 934                         return -1;
 935                 }
 936                 BN_CTX_start(ctx);
 937                 BIGNUM *mod = BN_CTX_get(ctx);
 938                 BIGNUM *exp = BN_CTX_get(ctx);
 939                 if (mod == NULL || exp == NULL) {
 940                         BN_CTX_end(ctx);
 941                         BN_CTX_free(ctx);
 942                         return -1;
 943                 }
 944
 945                 mod = BN_bin2bn((const unsigned char *)
 946                                 xfrm->modulus.data,
 947                                 xfrm->modulus.length, mod);
 948                 exp = BN_bin2bn((const unsigned char *)
 949                                 xfrm->exponent.data,
 950                                 xfrm->exponent.length, exp);
 951                 asym_session->u.e.ctx = ctx;
 952                 asym_session->u.e.mod = mod;
 953                 asym_session->u.e.exp = exp;
 954                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_MODEX;
 955                 break;
 956         }
 957         case RTE_CRYPTO_ASYM_XFORM_MODINV:
 958         {
 959                 struct rte_crypto_modinv_xform *xfrm = &(xform->modinv);
 960
 961                 BN_CTX *ctx = BN_CTX_new();
 962                 if (ctx == NULL) {
 963                         OPENSSL_LOG(ERR,
 964                                 " failed to allocate resources\n");
 965                         return -1;
 966                 }
 967                 BN_CTX_start(ctx);
 968                 BIGNUM *mod = BN_CTX_get(ctx);
 969                 if (mod == NULL) {
 970                         BN_CTX_end(ctx);
 971                         BN_CTX_free(ctx);
 972                         return -1;
 973                 }
 974
 975                 mod = BN_bin2bn((const unsigned char *)
 976                                 xfrm->modulus.data,
 977                                 xfrm->modulus.length,
 978                                 mod);
 979                 asym_session->u.m.ctx = ctx;
 980                 asym_session->u.m.modulus = mod;
 981                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_MODINV;
 982                 break;
 983         }
 984         case RTE_CRYPTO_ASYM_XFORM_DH:
 985         {
 986                 BIGNUM *p = NULL;
 987                 BIGNUM *g = NULL;
 988
 989                 p = BN_bin2bn((const unsigned char *)
 990                                 xform->dh.p.data,
 991                                 xform->dh.p.length,
 992                                 p);
 993                 g = BN_bin2bn((const unsigned char *)
 994                                 xform->dh.g.data,
 995                                 xform->dh.g.length,
 996                                 g);
 997                 if (!p || !g)
 998                         goto err_dh;
 999
1000                 DH *dh = DH_new();
1001                 if (dh == NULL) {
1002                         OPENSSL_LOG(ERR,
1003                                 "failed to allocate resources\n");
1004                         goto err_dh;
1005                 }
1006                 ret = set_dh_params(dh, p, g);
1007                 if (ret) {
1008                         DH_free(dh);
1009                         goto err_dh;
1010                 }
1011
1012                 /*
1013                  * setup xfrom for
1014                  * public key generate, or
1015                  * DH Priv key generate, or both
1016                  * public and private key generate
1017                  */
1018                 asym_session->u.dh.key_op = (1 << xform->dh.type);
1019
1020                 if (xform->dh.type ==
1021                         RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE) {
1022                         /* check if next is pubkey */
1023                         if ((xform->next != NULL) &&
1024                                 (xform->next->xform_type ==
1025                                 RTE_CRYPTO_ASYM_XFORM_DH) &&
1026                                 (xform->next->dh.type ==
1027                                 RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE)
1028                                 ) {
1029                                 /*
1030                                  * setup op as pub/priv key
1031                                  * pair generationi
1032                                  */
1033                                 asym_session->u.dh.key_op |=
1034                                 (1 <<
1035                                 RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE);
1036                         }
1037                 }
1038                 asym_session->u.dh.dh_key = dh;
1039                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_DH;
1040                 break;
1041
1042 err_dh:
1043                 OPENSSL_LOG(ERR, " failed to set dh params\n");
1044                 BN_free(p);
1045                 BN_free(g);
1046                 return -1;
1047         }
1048         case RTE_CRYPTO_ASYM_XFORM_DSA:
1049         {
1050                 BIGNUM *p = NULL, *g = NULL;
1051                 BIGNUM *q = NULL, *priv_key = NULL;
1052                 BIGNUM *pub_key = BN_new();
1053                 BN_zero(pub_key);
1054
1055                 p = BN_bin2bn((const unsigned char *)
1056                                 xform->dsa.p.data,
1057                                 xform->dsa.p.length,
1058                                 p);
1059
1060                 g = BN_bin2bn((const unsigned char *)
1061                                 xform->dsa.g.data,
1062                                 xform->dsa.g.length,
1063                                 g);
1064
1065                 q = BN_bin2bn((const unsigned char *)
1066                                 xform->dsa.q.data,
1067                                 xform->dsa.q.length,
1068                                 q);
1069                 if (!p || !q || !g)
1070                         goto err_dsa;
1071
1072                 priv_key = BN_bin2bn((const unsigned char *)
1073                                 xform->dsa.x.data,
1074                                 xform->dsa.x.length,
1075                                 priv_key);
1076                 if (priv_key == NULL)
1077                         goto err_dsa;
1078
1079                 DSA *dsa = DSA_new();
1080                 if (dsa == NULL) {
1081                         OPENSSL_LOG(ERR,
1082                                 " failed to allocate resources\n");
1083                         goto err_dsa;
1084                 }
1085
1086                 ret = set_dsa_params(dsa, p, q, g);
1087                 if (ret) {
1088                         DSA_free(dsa);
1089                         OPENSSL_LOG(ERR, "Failed to dsa params\n");
1090                         goto err_dsa;
1091                 }
1092
1093                 /*
1094                  * openssl 1.1.0 mandate that public key can't be
1095                  * NULL in very first call. so set a dummy pub key.
1096                  * to keep consistency, lets follow same approach for
1097                  * both versions
1098                  */
1099                 /* just set dummy public for very 1st call */
1100                 ret = set_dsa_keys(dsa, pub_key, priv_key);
1101                 if (ret) {
1102                         DSA_free(dsa);
1103                         OPENSSL_LOG(ERR, "Failed to set keys\n");
1104                         return -1;
1105                 }
1106                 asym_session->u.s.dsa = dsa;
1107                 asym_session->xfrm_type = RTE_CRYPTO_ASYM_XFORM_DSA;
1108                 break;
1109
1110 err_dsa:
1111                 BN_free(p);
1112                 BN_free(q);
1113                 BN_free(g);
1114                 BN_free(priv_key);
1115                 BN_free(pub_key);
1116                 return -1;
1117         }
1118         default:
1119                 return -1;
1120         }
1121
1122         return 0;
1123 }
1124
1125 /** Configure the session from a crypto xform chain */
1126 static int
1127 openssl_pmd_asym_session_configure(struct rte_cryptodev *dev __rte_unused,
1128                 struct rte_crypto_asym_xform *xform,
1129                 struct rte_cryptodev_asym_session *sess,
1130                 struct rte_mempool *mempool)
1131 {
1132         void *asym_sess_private_data;
1133         int ret;
1134
1135         if (unlikely(sess == NULL)) {
1136                 OPENSSL_LOG(ERR, "invalid asymmetric session struct");
1137                 return -EINVAL;
1138         }
1139
1140         if (rte_mempool_get(mempool, &asym_sess_private_data)) {
1141                 CDEV_LOG_ERR(
1142                         "Couldn't get object from session mempool");
1143                 return -ENOMEM;
1144         }
1145
1146         ret = openssl_set_asym_session_parameters(asym_sess_private_data,
1147                         xform);
1148         if (ret != 0) {
1149                 OPENSSL_LOG(ERR, "failed configure session parameters");
1150
1151                 /* Return session to mempool */
1152                 rte_mempool_put(mempool, asym_sess_private_data);
1153                 return ret;
1154         }
1155
1156         set_asym_session_private_data(sess, dev->driver_id,
1157                         asym_sess_private_data);
1158
1159         return 0;
1160 }
1161
1162 /** Clear the memory of session so it doesn't leave key material behind */
1163 static void
1164 openssl_pmd_sym_session_clear(struct rte_cryptodev *dev,
1165                 struct rte_cryptodev_sym_session *sess)
1166 {
1167         uint8_t index = dev->driver_id;
1168         void *sess_priv = get_sym_session_private_data(sess, index);
1169
1170         /* Zero out the whole structure */
1171         if (sess_priv) {
1172                 openssl_reset_session(sess_priv);
1173                 memset(sess_priv, 0, sizeof(struct openssl_session));
1174                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
1175                 set_sym_session_private_data(sess, index, NULL);
1176                 rte_mempool_put(sess_mp, sess_priv);
1177         }
1178 }
1179
1180 static void openssl_reset_asym_session(struct openssl_asym_session *sess)
1181 {
1182         switch (sess->xfrm_type) {
1183         case RTE_CRYPTO_ASYM_XFORM_RSA:
1184                 if (sess->u.r.rsa)
1185                         RSA_free(sess->u.r.rsa);
1186                 break;
1187         case RTE_CRYPTO_ASYM_XFORM_MODEX:
1188                 if (sess->u.e.ctx) {
1189                         BN_CTX_end(sess->u.e.ctx);
1190                         BN_CTX_free(sess->u.e.ctx);
1191                 }
1192                 break;
1193         case RTE_CRYPTO_ASYM_XFORM_MODINV:
1194                 if (sess->u.m.ctx) {
1195                         BN_CTX_end(sess->u.m.ctx);
1196                         BN_CTX_free(sess->u.m.ctx);
1197                 }
1198                 break;
1199         case RTE_CRYPTO_ASYM_XFORM_DH:
1200                 if (sess->u.dh.dh_key)
1201                         DH_free(sess->u.dh.dh_key);
1202                 break;
1203         case RTE_CRYPTO_ASYM_XFORM_DSA:
1204                 if (sess->u.s.dsa)
1205                         DSA_free(sess->u.s.dsa);
1206                 break;
1207         default:
1208                 break;
1209         }
1210 }
1211
1212 /** Clear the memory of asymmetric session
1213  * so it doesn't leave key material behind
1214  */
1215 static void
1216 openssl_pmd_asym_session_clear(struct rte_cryptodev *dev,
1217                 struct rte_cryptodev_asym_session *sess)
1218 {
1219         uint8_t index = dev->driver_id;
1220         void *sess_priv = get_asym_session_private_data(sess, index);
1221
1222         /* Zero out the whole structure */
1223         if (sess_priv) {
1224                 openssl_reset_asym_session(sess_priv);
1225                 memset(sess_priv, 0, sizeof(struct openssl_asym_session));
1226                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
1227                 set_asym_session_private_data(sess, index, NULL);
1228                 rte_mempool_put(sess_mp, sess_priv);
1229         }
1230 }
1231
1232 struct rte_cryptodev_ops openssl_pmd_ops = {
1233                 .dev_configure          = openssl_pmd_config,
1234                 .dev_start              = openssl_pmd_start,
1235                 .dev_stop               = openssl_pmd_stop,
1236                 .dev_close              = openssl_pmd_close,
1237
1238                 .stats_get              = openssl_pmd_stats_get,
1239                 .stats_reset            = openssl_pmd_stats_reset,
1240
1241                 .dev_infos_get          = openssl_pmd_info_get,
1242
1243                 .queue_pair_setup       = openssl_pmd_qp_setup,
1244                 .queue_pair_release     = openssl_pmd_qp_release,
1245                 .queue_pair_count       = openssl_pmd_qp_count,
1246
1247                 .sym_session_get_size   = openssl_pmd_sym_session_get_size,
1248                 .asym_session_get_size  = openssl_pmd_asym_session_get_size,
1249                 .sym_session_configure  = openssl_pmd_sym_session_configure,
1250                 .asym_session_configure = openssl_pmd_asym_session_configure,
1251                 .sym_session_clear      = openssl_pmd_sym_session_clear,
1252                 .asym_session_clear     = openssl_pmd_asym_session_clear
1253 };
1254
1255 struct rte_cryptodev_ops *rte_openssl_pmd_ops = &openssl_pmd_ops;