drivers/crypto/kasumi/rte_kasumi_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
   5  *
   6  *   Redistribution and use in source and binary forms, with or without
   7  *   modification, are permitted provided that the following conditions
   8  *   are met:
   9  *
  10  *     * Redistributions of source code must retain the above copyright
  11  *       notice, this list of conditions and the following disclaimer.
  12  *     * Redistributions in binary form must reproduce the above copyright
  13  *       notice, this list of conditions and the following disclaimer in
  14  *       the documentation and/or other materials provided with the
  15  *       distribution.
  16  *     * Neither the name of Intel Corporation nor the names of its
  17  *       contributors may be used to endorse or promote products derived
  18  *       from this software without specific prior written permission.
  19  *
  20  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 #include <rte_common.h>
  34 #include <rte_config.h>
  35 #include <rte_hexdump.h>
  36 #include <rte_cryptodev.h>
  37 #include <rte_cryptodev_pmd.h>
  38 #include <rte_cryptodev_vdev.h>
  39 #include <rte_vdev.h>
  40 #include <rte_malloc.h>
  41 #include <rte_cpuflags.h>
  42
  43 #include "rte_kasumi_pmd_private.h"
  44
  45 #define KASUMI_KEY_LENGTH 16
  46 #define KASUMI_IV_LENGTH 8
  47 #define KASUMI_MAX_BURST 4
  48 #define BYTE_LEN 8
  49
  50 static uint8_t cryptodev_driver_id;
  51
  52 /** Get xform chain order. */
  53 static enum kasumi_operation
  54 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
  55 {
  56         if (xform == NULL)
  57                 return KASUMI_OP_NOT_SUPPORTED;
  58
  59         if (xform->next)
  60                 if (xform->next->next != NULL)
  61                         return KASUMI_OP_NOT_SUPPORTED;
  62
  63         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  64                 if (xform->next == NULL)
  65                         return KASUMI_OP_ONLY_AUTH;
  66                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  67                         return KASUMI_OP_AUTH_CIPHER;
  68                 else
  69                         return KASUMI_OP_NOT_SUPPORTED;
  70         }
  71
  72         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  73                 if (xform->next == NULL)
  74                         return KASUMI_OP_ONLY_CIPHER;
  75                 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  76                         return KASUMI_OP_CIPHER_AUTH;
  77                 else
  78                         return KASUMI_OP_NOT_SUPPORTED;
  79         }
  80
  81         return KASUMI_OP_NOT_SUPPORTED;
  82 }
  83
  84
  85 /** Parse crypto xform chain and set private session parameters. */
  86 int
  87 kasumi_set_session_parameters(struct kasumi_session *sess,
  88                 const struct rte_crypto_sym_xform *xform)
  89 {
  90         const struct rte_crypto_sym_xform *auth_xform = NULL;
  91         const struct rte_crypto_sym_xform *cipher_xform = NULL;
  92         enum kasumi_operation mode;
  93
  94         /* Select Crypto operation - hash then cipher / cipher then hash */
  95         mode = kasumi_get_mode(xform);
  96
  97         switch (mode) {
  98         case KASUMI_OP_CIPHER_AUTH:
  99                 auth_xform = xform->next;
 100                 /* Fall-through */
 101         case KASUMI_OP_ONLY_CIPHER:
 102                 cipher_xform = xform;
 103                 break;
 104         case KASUMI_OP_AUTH_CIPHER:
 105                 cipher_xform = xform->next;
 106                 /* Fall-through */
 107         case KASUMI_OP_ONLY_AUTH:
 108                 auth_xform = xform;
 109                 break;
 110         case KASUMI_OP_NOT_SUPPORTED:
 111         default:
 112                 KASUMI_LOG_ERR("Unsupported operation chain order parameter");
 113                 return -ENOTSUP;
 114         }
 115
 116         if (cipher_xform) {
 117                 /* Only KASUMI F8 supported */
 118                 if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
 119                         return -ENOTSUP;
 120
 121                 sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
 122                 if (cipher_xform->cipher.iv.length != KASUMI_IV_LENGTH) {
 123                         KASUMI_LOG_ERR("Wrong IV length");
 124                         return -EINVAL;
 125                 }
 126
 127                 /* Initialize key */
 128                 sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
 129                                 &sess->pKeySched_cipher);
 130         }
 131
 132         if (auth_xform) {
 133                 /* Only KASUMI F9 supported */
 134                 if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9)
 135                         return -ENOTSUP;
 136
 137                 if (auth_xform->auth.digest_length != KASUMI_DIGEST_LENGTH) {
 138                         KASUMI_LOG_ERR("Wrong digest length");
 139                         return -EINVAL;
 140                 }
 141
 142                 sess->auth_op = auth_xform->auth.op;
 143
 144                 /* Initialize key */
 145                 sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 146                                 &sess->pKeySched_hash);
 147         }
 148
 149
 150         sess->op = mode;
 151
 152         return 0;
 153 }
 154
 155 /** Get KASUMI session. */
 156 static struct kasumi_session *
 157 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 158 {
 159         struct kasumi_session *sess = NULL;
 160
 161         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 162                 if (likely(op->sym->session != NULL))
 163                         sess = (struct kasumi_session *)
 164                                         get_session_private_data(
 165                                         op->sym->session,
 166                                         cryptodev_driver_id);
 167         } else {
 168                 void *_sess = NULL;
 169                 void *_sess_private_data = NULL;
 170
 171                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
 172                         return NULL;
 173
 174                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
 175                         return NULL;
 176
 177                 sess = (struct kasumi_session *)_sess_private_data;
 178
 179                 if (unlikely(kasumi_set_session_parameters(sess,
 180                                 op->sym->xform) != 0)) {
 181                         rte_mempool_put(qp->sess_mp, _sess);
 182                         rte_mempool_put(qp->sess_mp, _sess_private_data);
 183                         sess = NULL;
 184                 }
 185                 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
 186                 set_session_private_data(op->sym->session, cryptodev_driver_id,
 187                         _sess_private_data);
 188         }
 189
 190         if (unlikely(sess == NULL))
 191                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 192
 193         return sess;
 194 }
 195
 196 /** Encrypt/decrypt mbufs with same cipher key. */
 197 static uint8_t
 198 process_kasumi_cipher_op(struct rte_crypto_op **ops,
 199                 struct kasumi_session *session,
 200                 uint8_t num_ops)
 201 {
 202         unsigned i;
 203         uint8_t processed_ops = 0;
 204         uint8_t *src[num_ops], *dst[num_ops];
 205         uint8_t *iv_ptr;
 206         uint64_t iv[num_ops];
 207         uint32_t num_bytes[num_ops];
 208
 209         for (i = 0; i < num_ops; i++) {
 210                 src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 211                                 (ops[i]->sym->cipher.data.offset >> 3);
 212                 dst[i] = ops[i]->sym->m_dst ?
 213                         rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
 214                                 (ops[i]->sym->cipher.data.offset >> 3) :
 215                         rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 216                                 (ops[i]->sym->cipher.data.offset >> 3);
 217                 iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
 218                                 session->cipher_iv_offset);
 219                 iv[i] = *((uint64_t *)(iv_ptr));
 220                 num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 221
 222                 processed_ops++;
 223         }
 224
 225         if (processed_ops != 0)
 226                 sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
 227                         src, dst, num_bytes, processed_ops);
 228
 229         return processed_ops;
 230 }
 231
 232 /** Encrypt/decrypt mbuf (bit level function). */
 233 static uint8_t
 234 process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 235                 struct kasumi_session *session)
 236 {
 237         uint8_t *src, *dst;
 238         uint8_t *iv_ptr;
 239         uint64_t iv;
 240         uint32_t length_in_bits, offset_in_bits;
 241
 242         offset_in_bits = op->sym->cipher.data.offset;
 243         src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 244         if (op->sym->m_dst == NULL) {
 245                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 246                 KASUMI_LOG_ERR("bit-level in-place not supported\n");
 247                 return 0;
 248         }
 249         dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
 250         iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
 251                         session->cipher_iv_offset);
 252         iv = *((uint64_t *)(iv_ptr));
 253         length_in_bits = op->sym->cipher.data.length;
 254
 255         sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 256                         src, dst, length_in_bits, offset_in_bits);
 257
 258         return 1;
 259 }
 260
 261 /** Generate/verify hash from mbufs with same hash key. */
 262 static int
 263 process_kasumi_hash_op(struct kasumi_qp *qp, struct rte_crypto_op **ops,
 264                 struct kasumi_session *session,
 265                 uint8_t num_ops)
 266 {
 267         unsigned i;
 268         uint8_t processed_ops = 0;
 269         uint8_t *src, *dst;
 270         uint32_t length_in_bits;
 271         uint32_t num_bytes;
 272
 273         for (i = 0; i < num_ops; i++) {
 274                 /* Data must be byte aligned */
 275                 if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
 276                         ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 277                         KASUMI_LOG_ERR("offset");
 278                         break;
 279                 }
 280
 281                 length_in_bits = ops[i]->sym->auth.data.length;
 282
 283                 src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
 284                                 (ops[i]->sym->auth.data.offset >> 3);
 285                 /* Direction from next bit after end of message */
 286                 num_bytes = length_in_bits >> 3;
 287
 288                 if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
 289                         dst = qp->temp_digest;
 290                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 291                                         num_bytes, dst);
 292
 293                         /* Verify digest. */
 294                         if (memcmp(dst, ops[i]->sym->auth.digest.data,
 295                                         KASUMI_DIGEST_LENGTH) != 0)
 296                                 ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 297                 } else  {
 298                         dst = ops[i]->sym->auth.digest.data;
 299
 300                         sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
 301                                         num_bytes, dst);
 302                 }
 303                 processed_ops++;
 304         }
 305
 306         return processed_ops;
 307 }
 308
 309 /** Process a batch of crypto ops which shares the same session. */
 310 static int
 311 process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 312                 struct kasumi_qp *qp, uint8_t num_ops,
 313                 uint16_t *accumulated_enqueued_ops)
 314 {
 315         unsigned i;
 316         unsigned enqueued_ops, processed_ops;
 317
 318         switch (session->op) {
 319         case KASUMI_OP_ONLY_CIPHER:
 320                 processed_ops = process_kasumi_cipher_op(ops,
 321                                 session, num_ops);
 322                 break;
 323         case KASUMI_OP_ONLY_AUTH:
 324                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 325                                 num_ops);
 326                 break;
 327         case KASUMI_OP_CIPHER_AUTH:
 328                 processed_ops = process_kasumi_cipher_op(ops, session,
 329                                 num_ops);
 330                 process_kasumi_hash_op(qp, ops, session, processed_ops);
 331                 break;
 332         case KASUMI_OP_AUTH_CIPHER:
 333                 processed_ops = process_kasumi_hash_op(qp, ops, session,
 334                                 num_ops);
 335                 process_kasumi_cipher_op(ops, session, processed_ops);
 336                 break;
 337         default:
 338                 /* Operation not supported. */
 339                 processed_ops = 0;
 340         }
 341
 342         for (i = 0; i < num_ops; i++) {
 343                 /*
 344                  * If there was no error/authentication failure,
 345                  * change status to successful.
 346                  */
 347                 if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 348                         ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 349                 /* Free session if a session-less crypto op. */
 350                 if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 351                         memset(session, 0, sizeof(struct kasumi_session));
 352                         memset(ops[i]->sym->session, 0,
 353                                         rte_cryptodev_get_header_session_size());
 354                         rte_mempool_put(qp->sess_mp, session);
 355                         rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
 356                         ops[i]->sym->session = NULL;
 357                 }
 358         }
 359
 360         enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
 361                                 (void **)ops, processed_ops, NULL);
 362         qp->qp_stats.enqueued_count += enqueued_ops;
 363         *accumulated_enqueued_ops += enqueued_ops;
 364
 365         return enqueued_ops;
 366 }
 367
 368 /** Process a crypto op with length/offset in bits. */
 369 static int
 370 process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 371                 struct kasumi_qp *qp, uint16_t *accumulated_enqueued_ops)
 372 {
 373         unsigned enqueued_op, processed_op;
 374
 375         switch (session->op) {
 376         case KASUMI_OP_ONLY_CIPHER:
 377                 processed_op = process_kasumi_cipher_op_bit(op,
 378                                 session);
 379                 break;
 380         case KASUMI_OP_ONLY_AUTH:
 381                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 382                 break;
 383         case KASUMI_OP_CIPHER_AUTH:
 384                 processed_op = process_kasumi_cipher_op_bit(op, session);
 385                 if (processed_op == 1)
 386                         process_kasumi_hash_op(qp, &op, session, 1);
 387                 break;
 388         case KASUMI_OP_AUTH_CIPHER:
 389                 processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 390                 if (processed_op == 1)
 391                         process_kasumi_cipher_op_bit(op, session);
 392                 break;
 393         default:
 394                 /* Operation not supported. */
 395                 processed_op = 0;
 396         }
 397
 398         /*
 399          * If there was no error/authentication failure,
 400          * change status to successful.
 401          */
 402         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
 403                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 404
 405         /* Free session if a session-less crypto op. */
 406         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 407                 memset(op->sym->session, 0, sizeof(struct kasumi_session));
 408                 rte_cryptodev_sym_session_free(op->sym->session);
 409                 op->sym->session = NULL;
 410         }
 411
 412         enqueued_op = rte_ring_enqueue_burst(qp->processed_ops, (void **)&op,
 413                                 processed_op, NULL);
 414         qp->qp_stats.enqueued_count += enqueued_op;
 415         *accumulated_enqueued_ops += enqueued_op;
 416
 417         return enqueued_op;
 418 }
 419
 420 static uint16_t
 421 kasumi_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
 422                 uint16_t nb_ops)
 423 {
 424         struct rte_crypto_op *c_ops[nb_ops];
 425         struct rte_crypto_op *curr_c_op;
 426
 427         struct kasumi_session *prev_sess = NULL, *curr_sess = NULL;
 428         struct kasumi_qp *qp = queue_pair;
 429         unsigned i;
 430         uint8_t burst_size = 0;
 431         uint16_t enqueued_ops = 0;
 432         uint8_t processed_ops;
 433
 434         for (i = 0; i < nb_ops; i++) {
 435                 curr_c_op = ops[i];
 436
 437 #ifdef RTE_LIBRTE_PMD_KASUMI_DEBUG
 438                 if (!rte_pktmbuf_is_contiguous(curr_c_op->sym->m_src) ||
 439                                 (curr_c_op->sym->m_dst != NULL &&
 440                                 !rte_pktmbuf_is_contiguous(
 441                                                 curr_c_op->sym->m_dst))) {
 442                         KASUMI_LOG_ERR("PMD supports only contiguous mbufs, "
 443                                 "op (%p) provides noncontiguous mbuf as "
 444                                 "source/destination buffer.\n", curr_c_op);
 445                         curr_c_op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
 446                         break;
 447                 }
 448 #endif
 449
 450                 /* Set status as enqueued (not processed yet) by default. */
 451                 curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
 452
 453                 curr_sess = kasumi_get_session(qp, curr_c_op);
 454                 if (unlikely(curr_sess == NULL ||
 455                                 curr_sess->op == KASUMI_OP_NOT_SUPPORTED)) {
 456                         curr_c_op->status =
 457                                         RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 458                         break;
 459                 }
 460
 461                 /* If length/offset is at bit-level, process this buffer alone. */
 462                 if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
 463                                 || ((ops[i]->sym->cipher.data.offset
 464                                         % BYTE_LEN) != 0)) {
 465                         /* Process the ops of the previous session. */
 466                         if (prev_sess != NULL) {
 467                                 processed_ops = process_ops(c_ops, prev_sess,
 468                                                 qp, burst_size, &enqueued_ops);
 469                                 if (processed_ops < burst_size) {
 470                                         burst_size = 0;
 471                                         break;
 472                                 }
 473
 474                                 burst_size = 0;
 475                                 prev_sess = NULL;
 476                         }
 477
 478                         processed_ops = process_op_bit(curr_c_op, curr_sess,
 479                                                 qp, &enqueued_ops);
 480                         if (processed_ops != 1)
 481                                 break;
 482
 483                         continue;
 484                 }
 485
 486                 /* Batch ops that share the same session. */
 487                 if (prev_sess == NULL) {
 488                         prev_sess = curr_sess;
 489                         c_ops[burst_size++] = curr_c_op;
 490                 } else if (curr_sess == prev_sess) {
 491                         c_ops[burst_size++] = curr_c_op;
 492                         /*
 493                          * When there are enough ops to process in a batch,
 494                          * process them, and start a new batch.
 495                          */
 496                         if (burst_size == KASUMI_MAX_BURST) {
 497                                 processed_ops = process_ops(c_ops, prev_sess,
 498                                                 qp, burst_size, &enqueued_ops);
 499                                 if (processed_ops < burst_size) {
 500                                         burst_size = 0;
 501                                         break;
 502                                 }
 503
 504                                 burst_size = 0;
 505                                 prev_sess = NULL;
 506                         }
 507                 } else {
 508                         /*
 509                          * Different session, process the ops
 510                          * of the previous session.
 511                          */
 512                         processed_ops = process_ops(c_ops, prev_sess,
 513                                         qp, burst_size, &enqueued_ops);
 514                         if (processed_ops < burst_size) {
 515                                 burst_size = 0;
 516                                 break;
 517                         }
 518
 519                         burst_size = 0;
 520                         prev_sess = curr_sess;
 521
 522                         c_ops[burst_size++] = curr_c_op;
 523                 }
 524         }
 525
 526         if (burst_size != 0) {
 527                 /* Process the crypto ops of the last session. */
 528                 processed_ops = process_ops(c_ops, prev_sess,
 529                                 qp, burst_size, &enqueued_ops);
 530         }
 531
 532         qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
 533         return enqueued_ops;
 534 }
 535
 536 static uint16_t
 537 kasumi_pmd_dequeue_burst(void *queue_pair,
 538                 struct rte_crypto_op **c_ops, uint16_t nb_ops)
 539 {
 540         struct kasumi_qp *qp = queue_pair;
 541
 542         unsigned nb_dequeued;
 543
 544         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
 545                         (void **)c_ops, nb_ops, NULL);
 546         qp->qp_stats.dequeued_count += nb_dequeued;
 547
 548         return nb_dequeued;
 549 }
 550
 551 static int cryptodev_kasumi_remove(struct rte_vdev_device *vdev);
 552
 553 static int
 554 cryptodev_kasumi_create(const char *name,
 555                         struct rte_vdev_device *vdev,
 556                         struct rte_crypto_vdev_init_params *init_params)
 557 {
 558         struct rte_cryptodev *dev;
 559         struct kasumi_private *internals;
 560         uint64_t cpu_flags = 0;
 561
 562         if (init_params->name[0] == '\0')
 563                 snprintf(init_params->name, sizeof(init_params->name),
 564                                 "%s", name);
 565
 566         /* Check CPU for supported vector instruction set */
 567         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 568                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
 569         else
 570                 cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
 571
 572         dev = rte_cryptodev_vdev_pmd_init(init_params->name,
 573                         sizeof(struct kasumi_private), init_params->socket_id,
 574                         vdev);
 575         if (dev == NULL) {
 576                 KASUMI_LOG_ERR("failed to create cryptodev vdev");
 577                 goto init_error;
 578         }
 579
 580         dev->driver_id = cryptodev_driver_id;
 581         dev->dev_ops = rte_kasumi_pmd_ops;
 582
 583         /* Register RX/TX burst functions for data path. */
 584         dev->dequeue_burst = kasumi_pmd_dequeue_burst;
 585         dev->enqueue_burst = kasumi_pmd_enqueue_burst;
 586
 587         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
 588                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
 589                         cpu_flags;
 590
 591         internals = dev->data->dev_private;
 592
 593         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
 594         internals->max_nb_sessions = init_params->max_nb_sessions;
 595
 596         return 0;
 597 init_error:
 598         KASUMI_LOG_ERR("driver %s: cryptodev_kasumi_create failed",
 599                         init_params->name);
 600
 601         cryptodev_kasumi_remove(vdev);
 602         return -EFAULT;
 603 }
 604
 605 static int
 606 cryptodev_kasumi_probe(struct rte_vdev_device *vdev)
 607 {
 608         struct rte_crypto_vdev_init_params init_params = {
 609                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
 610                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
 611                 rte_socket_id(),
 612                 {0}
 613         };
 614         const char *name;
 615         const char *input_args;
 616
 617         name = rte_vdev_device_name(vdev);
 618         if (name == NULL)
 619                 return -EINVAL;
 620         input_args = rte_vdev_device_args(vdev);
 621
 622         rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
 623
 624         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
 625                         init_params.socket_id);
 626         if (init_params.name[0] != '\0')
 627                 RTE_LOG(INFO, PMD, "  User defined name = %s\n",
 628                         init_params.name);
 629         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
 630                         init_params.max_nb_queue_pairs);
 631         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
 632                         init_params.max_nb_sessions);
 633
 634         return cryptodev_kasumi_create(name, vdev, &init_params);
 635 }
 636
 637 static int
 638 cryptodev_kasumi_remove(struct rte_vdev_device *vdev)
 639 {
 640         const char *name;
 641
 642         name = rte_vdev_device_name(vdev);
 643         if (name == NULL)
 644                 return -EINVAL;
 645
 646         RTE_LOG(INFO, PMD, "Closing KASUMI crypto device %s"
 647                         " on numa socket %u\n",
 648                         name, rte_socket_id());
 649
 650         return 0;
 651 }
 652
 653 static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 654         .probe = cryptodev_kasumi_probe,
 655         .remove = cryptodev_kasumi_remove
 656 };
 657
 658 static struct cryptodev_driver kasumi_crypto_drv;
 659
 660 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 661 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 662 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 663         "max_nb_queue_pairs=<int> "
 664         "max_nb_sessions=<int> "
 665         "socket_id=<int>");
 666 RTE_PMD_REGISTER_CRYPTO_DRIVER(kasumi_crypto_drv, cryptodev_kasumi_pmd_drv,
 667                 cryptodev_driver_id);