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 "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 int kasumi_logtype_driver;
  21 static uint8_t cryptodev_driver_id;
  22
  23 /** Get xform chain order. */
  24 static enum kasumi_operation
  25 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  26 {
  27         if (xform == NULL)
  28                 return KASUMI_OP_NOT_SUPPORTED;
  29
  30         if (xform->next)
  31                 if (xform->next->next != NULL)
  32                         return KASUMI_OP_NOT_SUPPORTED;
  33
  34         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  35                 if (xform->next == NULL)
  36                         return KASUMI_OP_ONLY_AUTH;
  37                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  38                         return KASUMI_OP_AUTH_CIPHER;
  39                 else
  40                         return KASUMI_OP_NOT_SUPPORTED;
  41         }
  42
  43         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  44                 if (xform->next == NULL)
  45                         return KASUMI_OP_ONLY_CIPHER;
  46                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  47                         return KASUMI_OP_CIPHER_AUTH;
  48                 else
  49                         return KASUMI_OP_NOT_SUPPORTED;
  50         }
  51
  52         return KASUMI_OP_NOT_SUPPORTED;
  53 }
  54
  55
  56 /** Parse crypto xform chain and set private session parameters. */
  57 int
  58 kasumi_set_session_parameters(MB_MGR *mgr, struct kasumi_session *sess,
  59                 const struct rte_crypto_sym_xform *xform)
  60 {
  61         const struct rte_crypto_sym_xform *auth_xform = NULL;
  62         const struct rte_crypto_sym_xform *cipher_xform = NULL;
  63         enum kasumi_operation mode;
  64
  65         /* Select Crypto operation - hash then cipher / cipher then hash */
  66         mode = kasumi_get_mode(xform);
  67
  68         switch (mode) {
  69         case KASUMI_OP_CIPHER_AUTH:
  70                 auth_xform = xform->next;
  71                 /* Fall-through */
  72         case KASUMI_OP_ONLY_CIPHER:
  73                 cipher_xform = xform;
  74                 break;
  75         case KASUMI_OP_AUTH_CIPHER:
  76                 cipher_xform = xform->next;
  77                 /* Fall-through */
  78         case KASUMI_OP_ONLY_AUTH:
  79                 auth_xform = xform;
  80                 break;
  81         case KASUMI_OP_NOT_SUPPORTED:
  82         default:
  83                 KASUMI_LOG(ERR, "Unsupported operation chain order parameter");
  84                 return -ENOTSUP;
  85         }
  86
  87         if (cipher_xform) {
  88                 /* Only KASUMI F8 supported */
  89                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8) {
  90                         KASUMI_LOG(ERR, "Unsupported cipher algorithm ");
  91                         return -ENOTSUP;
  92                 }
  93
  94                 sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
  95                 if (cipher_xform->cipher.iv.length != KASUMI_IV_LENGTH) {
  96                         KASUMI_LOG(ERR, "Wrong IV length");
  97                         return -EINVAL;
  98                 }
  99
 100                 /* Initialize key */
 101                 IMB_KASUMI_INIT_F8_KEY_SCHED(mgr, cipher_xform->cipher.key.data,
 102                                 &sess->pKeySched_cipher);
 103         }
 104
 105         if (auth_xform) {
 106                 /* Only KASUMI F9 supported */
 107                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9) {
 108                         KASUMI_LOG(ERR, "Unsupported authentication");
 109                         return -ENOTSUP;
 110                 }
 111
 112                 if (auth_xform->auth.digest_length != KASUMI_DIGEST_LENGTH) {
 113                         KASUMI_LOG(ERR, "Wrong digest length");
 114                         return -EINVAL;
 115                 }
 116
 117                 sess->auth_op = auth_xform->auth.op;
 118
 119                 /* Initialize key */
 120                 IMB_KASUMI_INIT_F9_KEY_SCHED(mgr, auth_xform->auth.key.data,
 121                                 &sess->pKeySched_hash);
 122         }
 123
 124
 125         sess->op = mode;
 126
 127         return 0;
 128 }
 129
 130 /** Get KASUMI session. */
 131 static struct kasumi_session *
 132 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 133 {
 134         struct kasumi_session *sess = NULL;
 135
 136         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 137                 if (likely(op->sym->session != NULL))
 138                         sess = (struct kasumi_session *)
 139                                         get_sym_session_private_data(
 140                                         op->sym->session,
 141                                         cryptodev_driver_id);
 142         } else {
 143                 void *_sess = NULL;
 144                 void *_sess_private_data = NULL;
 145
 146                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
 147                         return NULL;
 148
 149                 if (rte_mempool_get(qp->sess_mp_priv,
 150                                 (void **)&_sess_private_data))
 151                         return NULL;
 152
 153                 sess = (struct kasumi_session *)_sess_private_data;
 154
 155                 if (unlikely(kasumi_set_session_parameters(qp->mgr, sess,
 156                                 op->sym->xform) != 0)) {
 157                         rte_mempool_put(qp->sess_mp, _sess);
 158                         rte_mempool_put(qp->sess_mp_priv, _sess_private_data);
 159                         sess = NULL;
 160                 }
 161                 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
 162                 set_sym_session_private_data(op->sym->session,
 163                                 cryptodev_driver_id, _sess_private_data);
 164         }
 165
 166         if (unlikely(sess == NULL))
 167                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 168
 169         return sess;
 170 }
 171
 172 /** Encrypt/decrypt mbufs with same cipher key. */
 173 static uint8_t
 174 process_kasumi_cipher_op(struct kasumi_qp *qp, struct rte_crypto_op **ops,
 175                 struct kasumi_session *session, uint8_t num_ops)
 176 {
 177         unsigned i;
 178         uint8_t processed_ops = 0;
 179         const void *src[num_ops];
 180         void *dst[num_ops];
 181         uint8_t *iv_ptr;
 182         uint64_t iv[num_ops];
 183         uint32_t num_bytes[num_ops];
 184
 185         for (i = 0; i < num_ops; i++) {
 186                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 187                                 (ops[i]->sym->cipher.data.offset >> 3);
 188                 dst[i] = ops[i]->sym->m_dst ?
 189                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 190                                 (ops[i]->sym->cipher.data.offset >> 3) :
 191                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 192                                 (ops[i]->sym->cipher.data.offset >> 3);
 193                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 194                                 session->cipher_iv_offset);
 195                 iv[i] = *((uint64_t *)(iv_ptr));
 196                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 197
 198                 processed_ops++;
 199         }
 200
 201         if (processed_ops != 0)
 202                 IMB_KASUMI_F8_N_BUFFER(qp->mgr, &session->pKeySched_cipher, iv,
 203                         src, dst, num_bytes, processed_ops);
 204
 205         return processed_ops;
 206 }
 207
 208 /** Encrypt/decrypt mbuf (bit level function). */
 209 static uint8_t
 210 process_kasumi_cipher_op_bit(struct kasumi_qp *qp, struct rte_crypto_op *op,
 211                 struct kasumi_session *session)
 212 {
 213         uint8_t *src, *dst;
 214         uint8_t *iv_ptr;
 215         uint64_t iv;
 216         uint32_t length_in_bits, offset_in_bits;
 217
 218         offset_in_bits = op->sym->cipher.data.offset;
 219         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 220         if (op->sym->m_dst == NULL)
 221                 dst = src;
 222         else
 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         IMB_KASUMI_F8_1_BUFFER_BIT(qp->mgr, &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                         IMB_KASUMI_F9_1_BUFFER(qp->mgr,
 265                                         &session->pKeySched_hash, src,
 266                                         num_bytes, dst);
 267
 268                         /* Verify digest. */
 269                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 270                                         KASUMI_DIGEST_LENGTH) != 0)
 271                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 272                 } else  {
 273                         dst = ops[i]->sym->auth.digest.data;
 274
 275                         IMB_KASUMI_F9_1_BUFFER(qp->mgr,
 276                                         &session->pKeySched_hash, src,
 277                                         num_bytes, dst);
 278                 }
 279                 processed_ops++;
 280         }
 281
 282         return processed_ops;
 283 }
 284
 285 /** Process a batch of crypto ops which shares the same session. */
 286 static int
 287 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 288                 struct kasumi_qp *qp, uint8_t num_ops,
 289                 uint16_t *accumulated_enqueued_ops)
 290 {
 291         unsigned i;
 292         unsigned enqueued_ops, processed_ops;
 293
 294         switch (session->op) {
 295         case KASUMI_OP_ONLY_CIPHER:
 296                 processed_ops = process_kasumi_cipher_op(qp, ops,
 297                                 session, num_ops);
 298                 break;
 299         case KASUMI_OP_ONLY_AUTH:
 300                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 301                                 num_ops);
 302                 break;
 303         case KASUMI_OP_CIPHER_AUTH:
 304                 processed_ops = process_kasumi_cipher_op(qp, ops, session,
 305                                 num_ops);
 306                 process_kasumi_hash_op(qp, ops, session, processed_ops);
 307                 break;
 308         case KASUMI_OP_AUTH_CIPHER:
 309                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 310                                 num_ops);
 311                 process_kasumi_cipher_op(qp, ops, session, processed_ops);
 312                 break;
 313         default:
 314                 /* Operation not supported. */
 315                 processed_ops = 0;
 316         }
 317
 318         for (i = 0; i < num_ops; i++) {
 319                 /*
 320                  * If there was no error/authentication failure,
 321                  * change status to successful.
 322                  */
 323                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 324                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 325                 /* Free session if a session-less crypto op. */
 326                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 327                         memset(session, 0, sizeof(struct kasumi_session));
 328                         memset(ops[i]->sym->session, 0,
 329                         rte_cryptodev_sym_get_existing_header_session_size(
 330                                         ops[i]->sym->session));
 331                         rte_mempool_put(qp->sess_mp_priv, session);
 332                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 333                         ops[i]->sym->session = NULL;
 334                 }
 335         }
 336
 337         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 338                                 (void **)ops, processed_ops, NULL);
 339         qp->qp_stats.enqueued_count += enqueued_ops;
 340         *accumulated_enqueued_ops += enqueued_ops;
 341
 342         return enqueued_ops;
 343 }
 344
 345 /** Process a crypto op with length/offset in bits. */
 346 static int
 347 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 348                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 349 {
 350         unsigned enqueued_op, processed_op;
 351
 352         switch (session->op) {
 353         case KASUMI_OP_ONLY_CIPHER:
 354                 processed_op = process_kasumi_cipher_op_bit(qp, op,
 355                                 session);
 356                 break;
 357         case KASUMI_OP_ONLY_AUTH:
 358                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 359                 break;
 360         case KASUMI_OP_CIPHER_AUTH:
 361                 processed_op = process_kasumi_cipher_op_bit(qp, op, session);
 362                 if (processed_op == 1)
 363                         process_kasumi_hash_op(qp, &op, session, 1);
 364                 break;
 365         case KASUMI_OP_AUTH_CIPHER:
 366                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 367                 if (processed_op == 1)
 368                         process_kasumi_cipher_op_bit(qp, op, session);
 369                 break;
 370         default:
 371                 /* Operation not supported. */
 372                 processed_op = 0;
 373         }
 374
 375         /*
 376          * If there was no error/authentication failure,
 377          * change status to successful.
 378          */
 379         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 380                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 381
 382         /* Free session if a session-less crypto op. */
 383         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 384                 memset(op->sym->session, 0, sizeof(struct kasumi_session));
 385                 rte_cryptodev_sym_session_free(op->sym->session);
 386                 op->sym->session = NULL;
 387         }
 388
 389         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 390                                 processed_op, NULL);
 391         qp->qp_stats.enqueued_count += enqueued_op;
 392         *accumulated_enqueued_ops += enqueued_op;
 393
 394         return enqueued_op;
 395 }
 396
 397 static uint16_t
 398 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 399                 uint16_t nb_ops)
 400 {
 401         struct rte_crypto_op *c_ops[nb_ops];
 402         struct rte_crypto_op *curr_c_op;
 403
 404         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 405         struct kasumi_qp *qp = queue_pair;
 406         unsigned i;
 407         uint8_t burst_size = 0;
 408         uint16_t enqueued_ops = 0;
 409         uint8_t processed_ops;
 410
 411         for (i = 0; i < nb_ops; i++) {
 412                 curr_c_op = ops[i];
 413
 414 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 415                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 416                                 (curr_c_op->sym->m_dst != NULL &&
 417                                 !rte_pktmbuf_is_contiguous(
 418                                                 curr_c_op->sym->m_dst))) {
 419                         KASUMI_LOG(ERR, "PMD supports only contiguous mbufs, "
 420                                 "op (%p) provides noncontiguous mbuf as "
 421                                 "source/destination buffer.", curr_c_op);
 422                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 423                         break;
 424                 }
 425 #endif
 426
 427                 /* Set status as enqueued (not processed yet) by default. */
 428                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 429
 430                 curr_sess = kasumi_get_session(qp, curr_c_op);
 431                 if (unlikely(curr_sess == NULL ||
 432                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 433                         curr_c_op->status =
 434                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 435                         break;
 436                 }
 437
 438                 /* If length/offset is at bit-level, process this buffer alone. */
 439                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 440                                 || ((ops[i]->sym->cipher.data.offset
 441                                         % BYTE_LEN) != 0)) {
 442                         /* Process the ops of the previous session. */
 443                         if (prev_sess != NULL) {
 444                                 processed_ops = process_ops(c_ops, prev_sess,
 445                                                 qp, burst_size, &enqueued_ops);
 446                                 if (processed_ops < burst_size) {
 447                                         burst_size = 0;
 448                                         break;
 449                                 }
 450
 451                                 burst_size = 0;
 452                                 prev_sess = NULL;
 453                         }
 454
 455                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 456                                                 qp, &enqueued_ops);
 457                         if (processed_ops != 1)
 458                                 break;
 459
 460                         continue;
 461                 }
 462
 463                 /* Batch ops that share the same session. */
 464                 if (prev_sess == NULL) {
 465                         prev_sess = curr_sess;
 466                         c_ops[burst_size++] = curr_c_op;
 467                 } else if (curr_sess == prev_sess) {
 468                         c_ops[burst_size++] = curr_c_op;
 469                         /*
 470                          * When there are enough ops to process in a batch,
 471                          * process them, and start a new batch.
 472                          */
 473                         if (burst_size == KASUMI_MAX_BURST) {
 474                                 processed_ops = process_ops(c_ops, prev_sess,
 475                                                 qp, burst_size, &enqueued_ops);
 476                                 if (processed_ops < burst_size) {
 477                                         burst_size = 0;
 478                                         break;
 479                                 }
 480
 481                                 burst_size = 0;
 482                                 prev_sess = NULL;
 483                         }
 484                 } else {
 485                         /*
 486                          * Different session, process the ops
 487                          * of the previous session.
 488                          */
 489                         processed_ops = process_ops(c_ops, prev_sess,
 490                                         qp, burst_size, &enqueued_ops);
 491                         if (processed_ops < burst_size) {
 492                                 burst_size = 0;
 493                                 break;
 494                         }
 495
 496                         burst_size = 0;
 497                         prev_sess = curr_sess;
 498
 499                         c_ops[burst_size++] = curr_c_op;
 500                 }
 501         }
 502
 503         if (burst_size != 0) {
 504                 /* Process the crypto ops of the last session. */
 505                 processed_ops = process_ops(c_ops, prev_sess,
 506                                 qp, burst_size, &enqueued_ops);
 507         }
 508
 509         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 510         return enqueued_ops;
 511 }
 512
 513 static uint16_t
 514 kasumi_pmd_dequeue_burst(void *queue_pair,
 515                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 516 {
 517         struct kasumi_qp *qp = queue_pair;
 518
 519         unsigned nb_dequeued;
 520
 521         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 522                         (void **)c_ops, nb_ops, NULL);
 523         qp->qp_stats.dequeued_count += nb_dequeued;
 524
 525         return nb_dequeued;
 526 }
 527
 528 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 529
 530 static int
 531 cryptodev_kasumi_create(const char *name,
 532                         struct rte_vdev_device *vdev,
 533                         struct rte_cryptodev_pmd_init_params *init_params)
 534 {
 535         struct rte_cryptodev *dev;
 536         struct kasumi_private *internals;
 537         MB_MGR *mgr;
 538
 539         dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
 540         if (dev == NULL) {
 541                 KASUMI_LOG(ERR, "failed to create cryptodev vdev");
 542                 goto init_error;
 543         }
 544
 545         dev->driver_id = cryptodev_driver_id;
 546         dev->dev_ops = rte_kasumi_pmd_ops;
 547
 548         /* Register RX/TX burst functions for data path. */
 549         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 550         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 551
 552         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 553                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 554                         RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA |
 555                         RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
 556
 557         mgr = alloc_mb_mgr(0);
 558         if (mgr == NULL)
 559                 return -ENOMEM;
 560
 561         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX)) {
 562                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 563                 init_mb_mgr_avx(mgr);
 564         } else {
 565                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 566                 init_mb_mgr_sse(mgr);
 567         }
 568
 569         internals = dev->data->dev_private;
 570
 571         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 572         internals->mgr = mgr;
 573
 574         return 0;
 575 init_error:
 576         KASUMI_LOG(ERR, "driver %s: failed",
 577                         init_params->name);
 578
 579         cryptodev_kasumi_remove(vdev);
 580         return -EFAULT;
 581 }
 582
 583 static int
 584 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 585 {
 586         struct rte_cryptodev_pmd_init_params init_params = {
 587                 "",
 588                 sizeof(struct kasumi_private),
 589                 rte_socket_id(),
 590                 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
 591         };
 592         const char *name;
 593         const char *input_args;
 594
 595         name = rte_vdev_device_name(vdev);
 596         if (name == NULL)
 597                 return -EINVAL;
 598         input_args = rte_vdev_device_args(vdev);
 599
 600         rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
 601
 602         return cryptodev_kasumi_create(name, vdev, &init_params);
 603 }
 604
 605 static int
 606 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 607 {
 608         struct rte_cryptodev *cryptodev;
 609         const char *name;
 610         struct kasumi_private *internals;
 611
 612         name = rte_vdev_device_name(vdev);
 613         if (name == NULL)
 614                 return -EINVAL;
 615
 616         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
 617         if (cryptodev == NULL)
 618                 return -ENODEV;
 619
 620         internals = cryptodev->data->dev_private;
 621
 622         free_mb_mgr(internals->mgr);
 623
 624         return rte_cryptodev_pmd_destroy(cryptodev);
 625 }
 626
 627 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 628         .probe = cryptodev_kasumi_probe,
 629         .remove = cryptodev_kasumi_remove
 630 };
 631
 632 static struct cryptodev_driver kasumi_crypto_drv;
 633
 634 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 635 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 636 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 637         "max_nb_queue_pairs=<int> "
 638         "socket_id=<int>");
 639 RTE_PMD_REGISTER_CRYPTO_DRIVER(kasumi_crypto_drv,
 640                 cryptodev_kasumi_pmd_drv.driver, cryptodev_driver_id);
 641
 642 RTE_INIT(kasumi_init_log)
 643 {
 644         kasumi_logtype_driver = rte_log_register("pmd.crypto.kasumi");
 645 }