drivers/crypto/kasumi/rte_kasumi_pmd.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2016-2018 Intel Corporation
   3  */
   4
   5 #include <rte_common.h>
   6 #include <rte_hexdump.h>
   7 #include <rte_cryptodev.h>
   8 #include <rte_cryptodev_pmd.h>
   9 #include <rte_bus_vdev.h>
  10 #include <rte_malloc.h>
  11 #include <rte_cpuflags.h>
  12
  13 #include "rte_kasumi_pmd_private.h"
  14
  15 #define KASUMI_KEY_LENGTH 16
  16 #define KASUMI_IV_LENGTH 8
  17 #define KASUMI_MAX_BURST 4
  18 #define BYTE_LEN 8
  19
  20 static uint8_t cryptodev_driver_id;
  21
  22 /** Get xform chain order. */
  23 static enum kasumi_operation
  24 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  25 {
  26         if (xform == NULL)
  27                 return KASUMI_OP_NOT_SUPPORTED;
  28
  29         if (xform->next)
  30                 if (xform->next->next != NULL)
  31                         return KASUMI_OP_NOT_SUPPORTED;
  32
  33         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  34                 if (xform->next == NULL)
  35                         return KASUMI_OP_ONLY_AUTH;
  36                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  37                         return KASUMI_OP_AUTH_CIPHER;
  38                 else
  39                         return KASUMI_OP_NOT_SUPPORTED;
  40         }
  41
  42         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  43                 if (xform->next == NULL)
  44                         return KASUMI_OP_ONLY_CIPHER;
  45                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  46                         return KASUMI_OP_CIPHER_AUTH;
  47                 else
  48                         return KASUMI_OP_NOT_SUPPORTED;
  49         }
  50
  51         return KASUMI_OP_NOT_SUPPORTED;
  52 }
  53
  54
  55 /** Parse crypto xform chain and set private session parameters. */
  56 int
  57 kasumi_set_session_parameters(struct kasumi_session *sess,
  58                 const struct rte_crypto_sym_xform *xform)
  59 {
  60         const struct rte_crypto_sym_xform *auth_xform = NULL;
  61         const struct rte_crypto_sym_xform *cipher_xform = NULL;
  62         enum kasumi_operation mode;
  63
  64         /* Select Crypto operation - hash then cipher / cipher then hash */
  65         mode = kasumi_get_mode(xform);
  66
  67         switch (mode) {
  68         case KASUMI_OP_CIPHER_AUTH:
  69                 auth_xform = xform->next;
  70                 /* Fall-through */
  71         case KASUMI_OP_ONLY_CIPHER:
  72                 cipher_xform = xform;
  73                 break;
  74         case KASUMI_OP_AUTH_CIPHER:
  75                 cipher_xform = xform->next;
  76                 /* Fall-through */
  77         case KASUMI_OP_ONLY_AUTH:
  78                 auth_xform = xform;
  79                 break;
  80         case KASUMI_OP_NOT_SUPPORTED:
  81         default:
  82                 KASUMI_LOG(ERR, "Unsupported operation chain order parameter");
  83                 return -ENOTSUP;
  84         }
  85
  86         if (cipher_xform) {
  87                 /* Only KASUMI F8 supported */
  88                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8) {
  89                         KASUMI_LOG(ERR, "Unsupported cipher algorithm ");
  90                         return -ENOTSUP;
  91                 }
  92
  93                 sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
  94                 if (cipher_xform->cipher.iv.length != KASUMI_IV_LENGTH) {
  95                         KASUMI_LOG(ERR, "Wrong IV length");
  96                         return -EINVAL;
  97                 }
  98
  99                 /* Initialize key */
 100                 sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
 101                                 &sess->pKeySched_cipher);
 102         }
 103
 104         if (auth_xform) {
 105                 /* Only KASUMI F9 supported */
 106                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9) {
 107                         KASUMI_LOG(ERR, "Unsupported authentication");
 108                         return -ENOTSUP;
 109                 }
 110
 111                 if (auth_xform->auth.digest_length != KASUMI_DIGEST_LENGTH) {
 112                         KASUMI_LOG(ERR, "Wrong digest length");
 113                         return -EINVAL;
 114                 }
 115
 116                 sess->auth_op = auth_xform->auth.op;
 117
 118                 /* Initialize key */
 119                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 120                                 &sess->pKeySched_hash);
 121         }
 122
 123
 124         sess->op = mode;
 125
 126         return 0;
 127 }
 128
 129 /** Get KASUMI session. */
 130 static struct kasumi_session *
 131 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 132 {
 133         struct kasumi_session *sess = NULL;
 134
 135         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 136                 if (likely(op->sym->session != NULL))
 137                         sess = (struct kasumi_session *)
 138                                         get_sym_session_private_data(
 139                                         op->sym->session,
 140                                         cryptodev_driver_id);
 141         } else {
 142                 void *_sess = NULL;
 143                 void *_sess_private_data = NULL;
 144
 145                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
 146                         return NULL;
 147
 148                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
 149                         return NULL;
 150
 151                 sess = (struct kasumi_session *)_sess_private_data;
 152
 153                 if (unlikely(kasumi_set_session_parameters(sess,
 154                                 op->sym->xform) != 0)) {
 155                         rte_mempool_put(qp->sess_mp, _sess);
 156                         rte_mempool_put(qp->sess_mp, _sess_private_data);
 157                         sess = NULL;
 158                 }
 159                 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
 160                 set_sym_session_private_data(op->sym->session,
 161                                 cryptodev_driver_id, _sess_private_data);
 162         }
 163
 164         if (unlikely(sess == NULL))
 165                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 166
 167         return sess;
 168 }
 169
 170 /** Encrypt/decrypt mbufs with same cipher key. */
 171 static uint8_t
 172 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 173                 struct kasumi_session *session,
 174                 uint8_t num_ops)
 175 {
 176         unsigned i;
 177         uint8_t processed_ops = 0;
 178         uint8_t *src[num_ops], *dst[num_ops];
 179         uint8_t *iv_ptr;
 180         uint64_t iv[num_ops];
 181         uint32_t num_bytes[num_ops];
 182
 183         for (i = 0; i < num_ops; i++) {
 184                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 185                                 (ops[i]->sym->cipher.data.offset >> 3);
 186                 dst[i] = ops[i]->sym->m_dst ?
 187                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 188                                 (ops[i]->sym->cipher.data.offset >> 3) :
 189                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 190                                 (ops[i]->sym->cipher.data.offset >> 3);
 191                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 192                                 session->cipher_iv_offset);
 193                 iv[i] = *((uint64_t *)(iv_ptr));
 194                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 195
 196                 processed_ops++;
 197         }
 198
 199         if (processed_ops != 0)
 200                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
 201                         src, dst, num_bytes, processed_ops);
 202
 203         return processed_ops;
 204 }
 205
 206 /** Encrypt/decrypt mbuf (bit level function). */
 207 static uint8_t
 208 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 209                 struct kasumi_session *session)
 210 {
 211         uint8_t *src, *dst;
 212         uint8_t *iv_ptr;
 213         uint64_t iv;
 214         uint32_t length_in_bits, offset_in_bits;
 215
 216         offset_in_bits = op->sym->cipher.data.offset;
 217         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 218         if (op->sym->m_dst == NULL) {
 219                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 220                 KASUMI_LOG(ERR, "bit-level in-place not supported");
 221                 return 0;
 222         }
 223         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 224         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 225                         session->cipher_iv_offset);
 226         iv = *((uint64_t *)(iv_ptr));
 227         length_in_bits = op->sym->cipher.data.length;
 228
 229         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 230                         src, dst, length_in_bits, offset_in_bits);
 231
 232         return 1;
 233 }
 234
 235 /** Generate/verify hash from mbufs with same hash key. */
 236 static int
 237 process_kasumi_hash_op(struct kasumi_qp *qp, struct rte_crypto_op **ops,
 238                 struct kasumi_session *session,
 239                 uint8_t num_ops)
 240 {
 241         unsigned i;
 242         uint8_t processed_ops = 0;
 243         uint8_t *src, *dst;
 244         uint32_t length_in_bits;
 245         uint32_t num_bytes;
 246
 247         for (i = 0; i < num_ops; i++) {
 248                 /* Data must be byte aligned */
 249                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 250                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 251                         KASUMI_LOG(ERR, "Invalid Offset");
 252                         break;
 253                 }
 254
 255                 length_in_bits = ops[i]->sym->auth.data.length;
 256
 257                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 258                                 (ops[i]->sym->auth.data.offset >> 3);
 259                 /* Direction from next bit after end of message */
 260                 num_bytes = length_in_bits >> 3;
 261
 262                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 263                         dst = qp->temp_digest;
 264                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 265                                         num_bytes, dst);
 266
 267                         /* Verify digest. */
 268                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 269                                         KASUMI_DIGEST_LENGTH) != 0)
 270                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 271                 } else  {
 272                         dst = ops[i]->sym->auth.digest.data;
 273
 274                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 275                                         num_bytes, dst);
 276                 }
 277                 processed_ops++;
 278         }
 279
 280         return processed_ops;
 281 }
 282
 283 /** Process a batch of crypto ops which shares the same session. */
 284 static int
 285 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 286                 struct kasumi_qp *qp, uint8_t num_ops,
 287                 uint16_t *accumulated_enqueued_ops)
 288 {
 289         unsigned i;
 290         unsigned enqueued_ops, processed_ops;
 291
 292         switch (session->op) {
 293         case KASUMI_OP_ONLY_CIPHER:
 294                 processed_ops = process_kasumi_cipher_op(ops,
 295                                 session, num_ops);
 296                 break;
 297         case KASUMI_OP_ONLY_AUTH:
 298                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 299                                 num_ops);
 300                 break;
 301         case KASUMI_OP_CIPHER_AUTH:
 302                 processed_ops = process_kasumi_cipher_op(ops, session,
 303                                 num_ops);
 304                 process_kasumi_hash_op(qp, ops, session, processed_ops);
 305                 break;
 306         case KASUMI_OP_AUTH_CIPHER:
 307                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 308                                 num_ops);
 309                 process_kasumi_cipher_op(ops, session, processed_ops);
 310                 break;
 311         default:
 312                 /* Operation not supported. */
 313                 processed_ops = 0;
 314         }
 315
 316         for (i = 0; i < num_ops; i++) {
 317                 /*
 318                  * If there was no error/authentication failure,
 319                  * change status to successful.
 320                  */
 321                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 322                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 323                 /* Free session if a session-less crypto op. */
 324                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 325                         memset(session, 0, sizeof(struct kasumi_session));
 326                         memset(ops[i]->sym->session, 0,
 327                                         rte_cryptodev_sym_get_header_session_size());
 328                         rte_mempool_put(qp->sess_mp, session);
 329                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 330                         ops[i]->sym->session = NULL;
 331                 }
 332         }
 333
 334         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 335                                 (void **)ops, processed_ops, NULL);
 336         qp->qp_stats.enqueued_count += enqueued_ops;
 337         *accumulated_enqueued_ops += enqueued_ops;
 338
 339         return enqueued_ops;
 340 }
 341
 342 /** Process a crypto op with length/offset in bits. */
 343 static int
 344 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 345                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 346 {
 347         unsigned enqueued_op, processed_op;
 348
 349         switch (session->op) {
 350         case KASUMI_OP_ONLY_CIPHER:
 351                 processed_op = process_kasumi_cipher_op_bit(op,
 352                                 session);
 353                 break;
 354         case KASUMI_OP_ONLY_AUTH:
 355                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 356                 break;
 357         case KASUMI_OP_CIPHER_AUTH:
 358                 processed_op = process_kasumi_cipher_op_bit(op, session);
 359                 if (processed_op == 1)
 360                         process_kasumi_hash_op(qp, &op, session, 1);
 361                 break;
 362         case KASUMI_OP_AUTH_CIPHER:
 363                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 364                 if (processed_op == 1)
 365                         process_kasumi_cipher_op_bit(op, session);
 366                 break;
 367         default:
 368                 /* Operation not supported. */
 369                 processed_op = 0;
 370         }
 371
 372         /*
 373          * If there was no error/authentication failure,
 374          * change status to successful.
 375          */
 376         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 377                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 378
 379         /* Free session if a session-less crypto op. */
 380         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 381                 memset(op->sym->session, 0, sizeof(struct kasumi_session));
 382                 rte_cryptodev_sym_session_free(op->sym->session);
 383                 op->sym->session = NULL;
 384         }
 385
 386         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 387                                 processed_op, NULL);
 388         qp->qp_stats.enqueued_count += enqueued_op;
 389         *accumulated_enqueued_ops += enqueued_op;
 390
 391         return enqueued_op;
 392 }
 393
 394 static uint16_t
 395 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 396                 uint16_t nb_ops)
 397 {
 398         struct rte_crypto_op *c_ops[nb_ops];
 399         struct rte_crypto_op *curr_c_op;
 400
 401         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 402         struct kasumi_qp *qp = queue_pair;
 403         unsigned i;
 404         uint8_t burst_size = 0;
 405         uint16_t enqueued_ops = 0;
 406         uint8_t processed_ops;
 407
 408         for (i = 0; i < nb_ops; i++) {
 409                 curr_c_op = ops[i];
 410
 411 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 412                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 413                                 (curr_c_op->sym->m_dst != NULL &&
 414                                 !rte_pktmbuf_is_contiguous(
 415                                                 curr_c_op->sym->m_dst))) {
 416                         KASUMI_LOG(ERR, "PMD supports only contiguous mbufs, "
 417                                 "op (%p) provides noncontiguous mbuf as "
 418                                 "source/destination buffer.", curr_c_op);
 419                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 420                         break;
 421                 }
 422 #endif
 423
 424                 /* Set status as enqueued (not processed yet) by default. */
 425                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 426
 427                 curr_sess = kasumi_get_session(qp, curr_c_op);
 428                 if (unlikely(curr_sess == NULL ||
 429                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 430                         curr_c_op->status =
 431                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 432                         break;
 433                 }
 434
 435                 /* If length/offset is at bit-level, process this buffer alone. */
 436                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 437                                 || ((ops[i]->sym->cipher.data.offset
 438                                         % BYTE_LEN) != 0)) {
 439                         /* Process the ops of the previous session. */
 440                         if (prev_sess != NULL) {
 441                                 processed_ops = process_ops(c_ops, prev_sess,
 442                                                 qp, burst_size, &enqueued_ops);
 443                                 if (processed_ops < burst_size) {
 444                                         burst_size = 0;
 445                                         break;
 446                                 }
 447
 448                                 burst_size = 0;
 449                                 prev_sess = NULL;
 450                         }
 451
 452                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 453                                                 qp, &enqueued_ops);
 454                         if (processed_ops != 1)
 455                                 break;
 456
 457                         continue;
 458                 }
 459
 460                 /* Batch ops that share the same session. */
 461                 if (prev_sess == NULL) {
 462                         prev_sess = curr_sess;
 463                         c_ops[burst_size++] = curr_c_op;
 464                 } else if (curr_sess == prev_sess) {
 465                         c_ops[burst_size++] = curr_c_op;
 466                         /*
 467                          * When there are enough ops to process in a batch,
 468                          * process them, and start a new batch.
 469                          */
 470                         if (burst_size == KASUMI_MAX_BURST) {
 471                                 processed_ops = process_ops(c_ops, prev_sess,
 472                                                 qp, burst_size, &enqueued_ops);
 473                                 if (processed_ops < burst_size) {
 474                                         burst_size = 0;
 475                                         break;
 476                                 }
 477
 478                                 burst_size = 0;
 479                                 prev_sess = NULL;
 480                         }
 481                 } else {
 482                         /*
 483                          * Different session, process the ops
 484                          * of the previous session.
 485                          */
 486                         processed_ops = process_ops(c_ops, prev_sess,
 487                                         qp, burst_size, &enqueued_ops);
 488                         if (processed_ops < burst_size) {
 489                                 burst_size = 0;
 490                                 break;
 491                         }
 492
 493                         burst_size = 0;
 494                         prev_sess = curr_sess;
 495
 496                         c_ops[burst_size++] = curr_c_op;
 497                 }
 498         }
 499
 500         if (burst_size != 0) {
 501                 /* Process the crypto ops of the last session. */
 502                 processed_ops = process_ops(c_ops, prev_sess,
 503                                 qp, burst_size, &enqueued_ops);
 504         }
 505
 506         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 507         return enqueued_ops;
 508 }
 509
 510 static uint16_t
 511 kasumi_pmd_dequeue_burst(void *queue_pair,
 512                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 513 {
 514         struct kasumi_qp *qp = queue_pair;
 515
 516         unsigned nb_dequeued;
 517
 518         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 519                         (void **)c_ops, nb_ops, NULL);
 520         qp->qp_stats.dequeued_count += nb_dequeued;
 521
 522         return nb_dequeued;
 523 }
 524
 525 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 526
 527 static int
 528 cryptodev_kasumi_create(const char *name,
 529                         struct rte_vdev_device *vdev,
 530                         struct rte_cryptodev_pmd_init_params *init_params)
 531 {
 532         struct rte_cryptodev *dev;
 533         struct kasumi_private *internals;
 534         uint64_t cpu_flags = 0;
 535
 536         dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
 537         if (dev == NULL) {
 538                 KASUMI_LOG(ERR, "failed to create cryptodev vdev");
 539                 goto init_error;
 540         }
 541
 542         /* Check CPU for supported vector instruction set */
 543         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 544                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 545         else
 546                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 547
 548         dev->driver_id = cryptodev_driver_id;
 549         dev->dev_ops = rte_kasumi_pmd_ops;
 550
 551         /* Register RX/TX burst functions for data path. */
 552         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 553         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 554
 555         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 556                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 557                         cpu_flags;
 558
 559         internals = dev->data->dev_private;
 560
 561         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 562
 563         return 0;
 564 init_error:
 565         KASUMI_LOG(ERR, "driver %s: failed",
 566                         init_params->name);
 567
 568         cryptodev_kasumi_remove(vdev);
 569         return -EFAULT;
 570 }
 571
 572 static int
 573 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 574 {
 575         struct rte_cryptodev_pmd_init_params init_params = {
 576                 "",
 577                 sizeof(struct kasumi_private),
 578                 rte_socket_id(),
 579                 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
 580         };
 581         const char *name;
 582         const char *input_args;
 583
 584         name = rte_vdev_device_name(vdev);
 585         if (name == NULL)
 586                 return -EINVAL;
 587         input_args = rte_vdev_device_args(vdev);
 588
 589         rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
 590
 591         return cryptodev_kasumi_create(name, vdev, &init_params);
 592 }
 593
 594 static int
 595 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 596 {
 597         struct rte_cryptodev *cryptodev;
 598         const char *name;
 599
 600         name = rte_vdev_device_name(vdev);
 601         if (name == NULL)
 602                 return -EINVAL;
 603
 604         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
 605         if (cryptodev == NULL)
 606                 return -ENODEV;
 607
 608         return rte_cryptodev_pmd_destroy(cryptodev);
 609 }
 610
 611 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 612         .probe = cryptodev_kasumi_probe,
 613         .remove = cryptodev_kasumi_remove
 614 };
 615
 616 static struct cryptodev_driver kasumi_crypto_drv;
 617
 618 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 619 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 620 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 621         "max_nb_queue_pairs=<int> "
 622         "socket_id=<int>");
 623 RTE_PMD_REGISTER_CRYPTO_DRIVER(kasumi_crypto_drv,
 624                 cryptodev_kasumi_pmd_drv.driver, cryptodev_driver_id);
 625
 626 RTE_INIT(kasumi_init_log)
 627 {
 628         kasumi_logtype_driver = rte_log_register("pmd.crypto.kasumi");
 629 }