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