drivers/crypto/ccp/ccp_pmd_ops.c

   1 /*   SPDX-License-Identifier: BSD-3-Clause
   2  *   Copyright(c) 2018 Advanced Micro Devices, Inc. All rights reserved.
   3  */
   4
   5 #include <string.h>
   6
   7 #include <rte_common.h>
   8 #include <rte_cryptodev_pmd.h>
   9 #include <rte_malloc.h>
  10
  11 #include "ccp_pmd_private.h"
  12 #include "ccp_dev.h"
  13 #include "ccp_crypto.h"
  14
  15 static const struct rte_cryptodev_capabilities ccp_pmd_capabilities[] = {
  16         {       /* SHA1 */
  17                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  18                 {.sym = {
  19                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  20                         {.auth = {
  21                                  .algo = RTE_CRYPTO_AUTH_SHA1,
  22                                  .block_size = 64,
  23                                  .key_size = {
  24                                          .min = 0,
  25                                          .max = 0,
  26                                          .increment = 0
  27                                  },
  28                                  .digest_size = {
  29                                          .min = 20,
  30                                          .max = 20,
  31                                          .increment = 0
  32                                  },
  33                                  .aad_size = { 0 }
  34                          }, }
  35                 }, }
  36         },
  37         {       /* SHA1 HMAC */
  38                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  39                 {.sym = {
  40                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  41                         {.auth = {
  42                                  .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
  43                                  .block_size = 64,
  44                                  .key_size = {
  45                                          .min = 1,
  46                                          .max = 64,
  47                                          .increment = 1
  48                                  },
  49                                  .digest_size = {
  50                                          .min = 20,
  51                                          .max = 20,
  52                                          .increment = 0
  53                                  },
  54                                  .aad_size = { 0 }
  55                          }, }
  56                 }, }
  57         },
  58         {       /* SHA224 */
  59                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  60                 {.sym = {
  61                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  62                         {.auth = {
  63                                  .algo = RTE_CRYPTO_AUTH_SHA224,
  64                                  .block_size = 64,
  65                                  .key_size = {
  66                                          .min = 0,
  67                                          .max = 0,
  68                                          .increment = 0
  69                                  },
  70                                  .digest_size = {
  71                                          .min = 28,
  72                                          .max = 28,
  73                                          .increment = 0
  74                                  },
  75                                  .aad_size = { 0 }
  76                          }, }
  77                 }, }
  78         },
  79         {       /* SHA224 HMAC */
  80                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
  81                 {.sym = {
  82                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
  83                         {.auth = {
  84                                  .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
  85                                  .block_size = 64,
  86                                  .key_size = {
  87                                          .min = 1,
  88                                          .max = 64,
  89                                          .increment = 1
  90                                  },
  91                                  .digest_size = {
  92                                          .min = 28,
  93                                          .max = 28,
  94                                          .increment = 0
  95                                  },
  96                                  .aad_size = { 0 }
  97                          }, }
  98                 }, }
  99         },
 100         {       /* SHA256 */
 101                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 102                 {.sym = {
 103                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 104                         {.auth = {
 105                                  .algo = RTE_CRYPTO_AUTH_SHA256,
 106                                  .block_size = 64,
 107                                  .key_size = {
 108                                          .min = 0,
 109                                          .max = 0,
 110                                          .increment = 0
 111                                  },
 112                                  .digest_size = {
 113                                          .min = 32,
 114                                          .max = 32,
 115                                          .increment = 0
 116                                  },
 117                                  .aad_size = { 0 }
 118                          }, }
 119                 }, }
 120         },
 121         {       /* SHA256 HMAC */
 122                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 123                 {.sym = {
 124                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 125                         {.auth = {
 126                                  .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
 127                                  .block_size = 64,
 128                                  .key_size = {
 129                                          .min = 1,
 130                                          .max = 64,
 131                                          .increment = 1
 132                                  },
 133                                  .digest_size = {
 134                                          .min = 32,
 135                                          .max = 32,
 136                                          .increment = 0
 137                                  },
 138                                  .aad_size = { 0 }
 139                          }, }
 140                 }, }
 141         },
 142         {       /* SHA384 */
 143                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 144                 {.sym = {
 145                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 146                         {.auth = {
 147                                  .algo = RTE_CRYPTO_AUTH_SHA384,
 148                                  .block_size = 128,
 149                                  .key_size = {
 150                                          .min = 0,
 151                                          .max = 0,
 152                                          .increment = 0
 153                                  },
 154                                  .digest_size = {
 155                                          .min = 48,
 156                                          .max = 48,
 157                                          .increment = 0
 158                                  },
 159                                  .aad_size = { 0 }
 160                          }, }
 161                 }, }
 162         },
 163         {       /* SHA384 HMAC */
 164                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 165                 {.sym = {
 166                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 167                         {.auth = {
 168                                  .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
 169                                  .block_size = 128,
 170                                  .key_size = {
 171                                          .min = 1,
 172                                          .max = 128,
 173                                          .increment = 1
 174                                  },
 175                                  .digest_size = {
 176                                          .min = 48,
 177                                          .max = 48,
 178                                          .increment = 0
 179                                  },
 180                                  .aad_size = { 0 }
 181                          }, }
 182                 }, }
 183         },
 184         {       /* SHA512  */
 185                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 186                 {.sym = {
 187                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 188                         {.auth = {
 189                                  .algo = RTE_CRYPTO_AUTH_SHA512,
 190                                  .block_size = 128,
 191                                  .key_size = {
 192                                          .min = 0,
 193                                          .max = 0,
 194                                          .increment = 0
 195                                  },
 196                                  .digest_size = {
 197                                          .min = 64,
 198                                          .max = 64,
 199                                          .increment = 0
 200                                  },
 201                                  .aad_size = { 0 }
 202                          }, }
 203                 }, }
 204         },
 205         {       /* SHA512 HMAC */
 206                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 207                 {.sym = {
 208                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 209                         {.auth = {
 210                                  .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
 211                                  .block_size = 128,
 212                                  .key_size = {
 213                                          .min = 1,
 214                                          .max = 128,
 215                                          .increment = 1
 216                                  },
 217                                  .digest_size = {
 218                                          .min = 64,
 219                                          .max = 64,
 220                                          .increment = 0
 221                                  },
 222                                  .aad_size = { 0 }
 223                          }, }
 224                 }, }
 225         },
 226         {       /*AES-CMAC */
 227                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 228                 {.sym = {
 229                         .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
 230                         {.auth = {
 231                                  .algo = RTE_CRYPTO_AUTH_AES_CMAC,
 232                                  .block_size = 16,
 233                                  .key_size = {
 234                                          .min = 16,
 235                                          .max = 32,
 236                                          .increment = 8
 237                                  },
 238                                  .digest_size = {
 239                                          .min = 16,
 240                                          .max = 16,
 241                                          .increment = 0
 242                                  },
 243                         }, }
 244                 }, }
 245         },
 246         {       /* AES ECB */
 247                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 248                 {.sym = {
 249                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 250                         {.cipher = {
 251                                 .algo = RTE_CRYPTO_CIPHER_AES_ECB,
 252                                 .block_size = 16,
 253                                 .key_size = {
 254                                    .min = 16,
 255                                    .max = 32,
 256                                    .increment = 8
 257                                 },
 258                                 .iv_size = {
 259                                    .min = 0,
 260                                    .max = 0,
 261                                    .increment = 0
 262                                 }
 263                         }, }
 264                 }, }
 265         },
 266         {       /* AES CBC */
 267                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 268                 {.sym = {
 269                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 270                         {.cipher = {
 271                                 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
 272                                 .block_size = 16,
 273                                 .key_size = {
 274                                         .min = 16,
 275                                         .max = 32,
 276                                         .increment = 8
 277                                 },
 278                                 .iv_size = {
 279                                         .min = 16,
 280                                         .max = 16,
 281                                         .increment = 0
 282                                 }
 283                         }, }
 284                 }, }
 285         },
 286         {       /* AES CTR */
 287                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 288                 {.sym = {
 289                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 290                         {.cipher = {
 291                                 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
 292                                 .block_size = 16,
 293                                 .key_size = {
 294                                         .min = 16,
 295                                         .max = 32,
 296                                         .increment = 8
 297                                 },
 298                                 .iv_size = {
 299                                         .min = 16,
 300                                         .max = 16,
 301                                         .increment = 0
 302                                 }
 303                         }, }
 304                 }, }
 305         },
 306         {       /* 3DES CBC */
 307                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 308                 {.sym = {
 309                         .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
 310                         {.cipher = {
 311                                 .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
 312                                 .block_size = 8,
 313                                 .key_size = {
 314                                         .min = 16,
 315                                         .max = 24,
 316                                         .increment = 8
 317                                 },
 318                                 .iv_size = {
 319                                         .min = 8,
 320                                         .max = 8,
 321                                         .increment = 0
 322                                 }
 323                         }, }
 324                 }, }
 325         },
 326         {       /* AES GCM */
 327                 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
 328                 {.sym = {
 329                         .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
 330                         {.aead = {
 331                                  .algo = RTE_CRYPTO_AEAD_AES_GCM,
 332                                  .block_size = 16,
 333                                  .key_size = {
 334                                          .min = 16,
 335                                          .max = 32,
 336                                          .increment = 8
 337                                  },
 338                                  .digest_size = {
 339                                          .min = 16,
 340                                          .max = 16,
 341                                          .increment = 0
 342                                  },
 343                                  .aad_size = {
 344                                          .min = 0,
 345                                          .max = 65535,
 346                                          .increment = 1
 347                                  },
 348                                  .iv_size = {
 349                                          .min = 12,
 350                                          .max = 16,
 351                                          .increment = 4
 352                                  },
 353                         }, }
 354                 }, }
 355         },
 356         RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 357 };
 358
 359 static int
 360 ccp_pmd_config(struct rte_cryptodev *dev __rte_unused,
 361                struct rte_cryptodev_config *config __rte_unused)
 362 {
 363         return 0;
 364 }
 365
 366 static int
 367 ccp_pmd_start(struct rte_cryptodev *dev)
 368 {
 369         return ccp_dev_start(dev);
 370 }
 371
 372 static void
 373 ccp_pmd_stop(struct rte_cryptodev *dev __rte_unused)
 374 {
 375
 376 }
 377
 378 static int
 379 ccp_pmd_close(struct rte_cryptodev *dev __rte_unused)
 380 {
 381         return 0;
 382 }
 383
 384 static void
 385 ccp_pmd_stats_get(struct rte_cryptodev *dev,
 386                   struct rte_cryptodev_stats *stats)
 387 {
 388         int qp_id;
 389
 390         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 391                 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
 392
 393                 stats->enqueued_count += qp->qp_stats.enqueued_count;
 394                 stats->dequeued_count += qp->qp_stats.dequeued_count;
 395
 396                 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
 397                 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
 398         }
 399
 400 }
 401
 402 static void
 403 ccp_pmd_stats_reset(struct rte_cryptodev *dev)
 404 {
 405         int qp_id;
 406
 407         for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
 408                 struct ccp_qp *qp = dev->data->queue_pairs[qp_id];
 409
 410                 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
 411         }
 412 }
 413
 414 static void
 415 ccp_pmd_info_get(struct rte_cryptodev *dev,
 416                  struct rte_cryptodev_info *dev_info)
 417 {
 418         struct ccp_private *internals = dev->data->dev_private;
 419
 420         if (dev_info != NULL) {
 421                 dev_info->driver_id = dev->driver_id;
 422                 dev_info->feature_flags = dev->feature_flags;
 423                 dev_info->capabilities = ccp_pmd_capabilities;
 424                 dev_info->max_nb_queue_pairs = internals->max_nb_qpairs;
 425                 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
 426         }
 427 }
 428
 429 static int
 430 ccp_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
 431 {
 432         struct ccp_qp *qp;
 433
 434         if (dev->data->queue_pairs[qp_id] != NULL) {
 435                 qp = (struct ccp_qp *)dev->data->queue_pairs[qp_id];
 436                 rte_ring_free(qp->processed_pkts);
 437                 rte_mempool_free(qp->batch_mp);
 438                 rte_free(qp);
 439                 dev->data->queue_pairs[qp_id] = NULL;
 440         }
 441         return 0;
 442 }
 443
 444 static int
 445 ccp_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
 446                 struct ccp_qp *qp)
 447 {
 448         unsigned int n = snprintf(qp->name, sizeof(qp->name),
 449                         "ccp_pmd_%u_qp_%u",
 450                         dev->data->dev_id, qp->id);
 451
 452         if (n > sizeof(qp->name))
 453                 return -1;
 454
 455         return 0;
 456 }
 457
 458 static struct rte_ring *
 459 ccp_pmd_qp_create_batch_info_ring(struct ccp_qp *qp,
 460                                   unsigned int ring_size, int socket_id)
 461 {
 462         struct rte_ring *r;
 463
 464         r = rte_ring_lookup(qp->name);
 465         if (r) {
 466                 if (r->size >= ring_size) {
 467                         CCP_LOG_INFO(
 468                                 "Reusing ring %s for processed packets",
 469                                 qp->name);
 470                         return r;
 471                 }
 472                 CCP_LOG_INFO(
 473                         "Unable to reuse ring %s for processed packets",
 474                          qp->name);
 475                 return NULL;
 476         }
 477
 478         return rte_ring_create(qp->name, ring_size, socket_id,
 479                         RING_F_SP_ENQ | RING_F_SC_DEQ);
 480 }
 481
 482 static int
 483 ccp_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
 484                  const struct rte_cryptodev_qp_conf *qp_conf,
 485                  int socket_id, struct rte_mempool *session_pool)
 486 {
 487         struct ccp_private *internals = dev->data->dev_private;
 488         struct ccp_qp *qp;
 489         int retval = 0;
 490
 491         if (qp_id >= internals->max_nb_qpairs) {
 492                 CCP_LOG_ERR("Invalid qp_id %u, should be less than %u",
 493                             qp_id, internals->max_nb_qpairs);
 494                 return (-EINVAL);
 495         }
 496
 497         /* Free memory prior to re-allocation if needed. */
 498         if (dev->data->queue_pairs[qp_id] != NULL)
 499                 ccp_pmd_qp_release(dev, qp_id);
 500
 501         /* Allocate the queue pair data structure. */
 502         qp = rte_zmalloc_socket("CCP Crypto PMD Queue Pair", sizeof(*qp),
 503                                         RTE_CACHE_LINE_SIZE, socket_id);
 504         if (qp == NULL) {
 505                 CCP_LOG_ERR("Failed to allocate queue pair memory");
 506                 return (-ENOMEM);
 507         }
 508
 509         qp->dev = dev;
 510         qp->id = qp_id;
 511         dev->data->queue_pairs[qp_id] = qp;
 512
 513         retval = ccp_pmd_qp_set_unique_name(dev, qp);
 514         if (retval) {
 515                 CCP_LOG_ERR("Failed to create unique name for ccp qp");
 516                 goto qp_setup_cleanup;
 517         }
 518
 519         qp->processed_pkts = ccp_pmd_qp_create_batch_info_ring(qp,
 520                         qp_conf->nb_descriptors, socket_id);
 521         if (qp->processed_pkts == NULL) {
 522                 CCP_LOG_ERR("Failed to create batch info ring");
 523                 goto qp_setup_cleanup;
 524         }
 525
 526         qp->sess_mp = session_pool;
 527
 528         /* mempool for batch info */
 529         qp->batch_mp = rte_mempool_create(
 530                                 qp->name,
 531                                 qp_conf->nb_descriptors,
 532                                 sizeof(struct ccp_batch_info),
 533                                 RTE_CACHE_LINE_SIZE,
 534                                 0, NULL, NULL, NULL, NULL,
 535                                 SOCKET_ID_ANY, 0);
 536         if (qp->batch_mp == NULL)
 537                 goto qp_setup_cleanup;
 538         memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
 539         return 0;
 540
 541 qp_setup_cleanup:
 542         dev->data->queue_pairs[qp_id] = NULL;
 543         if (qp)
 544                 rte_free(qp);
 545         return -1;
 546 }
 547
 548 static int
 549 ccp_pmd_qp_start(struct rte_cryptodev *dev __rte_unused,
 550                  uint16_t queue_pair_id __rte_unused)
 551 {
 552         return -ENOTSUP;
 553 }
 554
 555 static int
 556 ccp_pmd_qp_stop(struct rte_cryptodev *dev __rte_unused,
 557                 uint16_t queue_pair_id __rte_unused)
 558 {
 559         return -ENOTSUP;
 560 }
 561
 562 static uint32_t
 563 ccp_pmd_qp_count(struct rte_cryptodev *dev)
 564 {
 565         return dev->data->nb_queue_pairs;
 566 }
 567
 568 static unsigned
 569 ccp_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
 570 {
 571         return sizeof(struct ccp_session);
 572 }
 573
 574 static int
 575 ccp_pmd_session_configure(struct rte_cryptodev *dev,
 576                           struct rte_crypto_sym_xform *xform,
 577                           struct rte_cryptodev_sym_session *sess,
 578                           struct rte_mempool *mempool)
 579 {
 580         int ret;
 581         void *sess_private_data;
 582
 583         if (unlikely(sess == NULL || xform == NULL)) {
 584                 CCP_LOG_ERR("Invalid session struct or xform");
 585                 return -ENOMEM;
 586         }
 587
 588         if (rte_mempool_get(mempool, &sess_private_data)) {
 589                 CCP_LOG_ERR("Couldn't get object from session mempool");
 590                 return -ENOMEM;
 591         }
 592         ret = ccp_set_session_parameters(sess_private_data, xform);
 593         if (ret != 0) {
 594                 CCP_LOG_ERR("failed configure session parameters");
 595
 596                 /* Return session to mempool */
 597                 rte_mempool_put(mempool, sess_private_data);
 598                 return ret;
 599         }
 600         set_session_private_data(sess, dev->driver_id,
 601                                  sess_private_data);
 602
 603         return 0;
 604 }
 605
 606 static void
 607 ccp_pmd_session_clear(struct rte_cryptodev *dev,
 608                       struct rte_cryptodev_sym_session *sess)
 609 {
 610         uint8_t index = dev->driver_id;
 611         void *sess_priv = get_session_private_data(sess, index);
 612
 613         if (sess_priv) {
 614                 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
 615
 616                 rte_mempool_put(sess_mp, sess_priv);
 617                 memset(sess_priv, 0, sizeof(struct ccp_session));
 618                 set_session_private_data(sess, index, NULL);
 619         }
 620 }
 621
 622 struct rte_cryptodev_ops ccp_ops = {
 623                 .dev_configure          = ccp_pmd_config,
 624                 .dev_start              = ccp_pmd_start,
 625                 .dev_stop               = ccp_pmd_stop,
 626                 .dev_close              = ccp_pmd_close,
 627
 628                 .stats_get              = ccp_pmd_stats_get,
 629                 .stats_reset            = ccp_pmd_stats_reset,
 630
 631                 .dev_infos_get          = ccp_pmd_info_get,
 632
 633                 .queue_pair_setup       = ccp_pmd_qp_setup,
 634                 .queue_pair_release     = ccp_pmd_qp_release,
 635                 .queue_pair_start       = ccp_pmd_qp_start,
 636                 .queue_pair_stop        = ccp_pmd_qp_stop,
 637                 .queue_pair_count       = ccp_pmd_qp_count,
 638
 639                 .session_get_size       = ccp_pmd_session_get_size,
 640                 .session_configure      = ccp_pmd_session_configure,
 641                 .session_clear          = ccp_pmd_session_clear,
 642 };
 643
 644 struct rte_cryptodev_ops *ccp_pmd_ops = &ccp_ops;