drivers/crypto/openssl/rte_openssl_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016 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_vdev.h>
  38 #include <rte_malloc.h>
  39 #include <rte_cpuflags.h>
  40
  41 #include <openssl/evp.h>
  42
  43 #include "rte_openssl_pmd_private.h"
  44
  45 static int cryptodev_openssl_remove(const char *name);
  46
  47 /*----------------------------------------------------------------------------*/
  48
  49 /**
  50  * Global static parameter used to create a unique name for each
  51  * OPENSSL crypto device.
  52  */
  53 static unsigned int unique_name_id;
  54
  55 static inline int
  56 create_unique_device_name(char *name, size_t size)
  57 {
  58         int ret;
  59
  60         if (name == NULL)
  61                 return -EINVAL;
  62
  63         ret = snprintf(name, size, "%s_%u",
  64                         RTE_STR(CRYPTODEV_NAME_OPENSSL_PMD),
  65                         unique_name_id++);
  66         if (ret < 0)
  67                 return ret;
  68         return 0;
  69 }
  70
  71 /**
  72  * Increment counter by 1
  73  * Counter is 64 bit array, big-endian
  74  */
  75 static void
  76 ctr_inc(uint8_t *ctr)
  77 {
  78         uint64_t *ctr64 = (uint64_t *)ctr;
  79
  80         *ctr64 = __builtin_bswap64(*ctr64);
  81         (*ctr64)++;
  82         *ctr64 = __builtin_bswap64(*ctr64);
  83 }
  84
  85 /*
  86  *------------------------------------------------------------------------------
  87  * Session Prepare
  88  *------------------------------------------------------------------------------
  89  */
  90
  91 /** Get xform chain order */
  92 static enum openssl_chain_order
  93 openssl_get_chain_order(const struct rte_crypto_sym_xform *xform)
  94 {
  95         enum openssl_chain_order res = OPENSSL_CHAIN_NOT_SUPPORTED;
  96
  97         if (xform != NULL) {
  98                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  99                         if (xform->next == NULL)
 100                                 res =  OPENSSL_CHAIN_ONLY_AUTH;
 101                         else if (xform->next->type ==
 102                                         RTE_CRYPTO_SYM_XFORM_CIPHER)
 103                                 res =  OPENSSL_CHAIN_AUTH_CIPHER;
 104                 }
 105                 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
 106                         if (xform->next == NULL)
 107                                 res =  OPENSSL_CHAIN_ONLY_CIPHER;
 108                         else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
 109                                 res =  OPENSSL_CHAIN_CIPHER_AUTH;
 110                 }
 111         }
 112
 113         return res;
 114 }
 115
 116 /** Get session cipher key from input cipher key */
 117 static void
 118 get_cipher_key(uint8_t *input_key, int keylen, uint8_t *session_key)
 119 {
 120         memcpy(session_key, input_key, keylen);
 121 }
 122
 123 /** Get key ede 24 bytes standard from input key */
 124 static int
 125 get_cipher_key_ede(uint8_t *key, int keylen, uint8_t *key_ede)
 126 {
 127         int res = 0;
 128
 129         /* Initialize keys - 24 bytes: [key1-key2-key3] */
 130         switch (keylen) {
 131         case 24:
 132                 memcpy(key_ede, key, 24);
 133                 break;
 134         case 16:
 135                 /* K3 = K1 */
 136                 memcpy(key_ede, key, 16);
 137                 memcpy(key_ede + 16, key, 8);
 138                 break;
 139         case 8:
 140                 /* K1 = K2 = K3 (DES compatibility) */
 141                 memcpy(key_ede, key, 8);
 142                 memcpy(key_ede + 8, key, 8);
 143                 memcpy(key_ede + 16, key, 8);
 144                 break;
 145         default:
 146                 OPENSSL_LOG_ERR("Unsupported key size");
 147                 res = -EINVAL;
 148         }
 149
 150         return res;
 151 }
 152
 153 /** Get adequate openssl function for input cipher algorithm */
 154 static uint8_t
 155 get_cipher_algo(enum rte_crypto_cipher_algorithm sess_algo, size_t keylen,
 156                 const EVP_CIPHER **algo)
 157 {
 158         int res = 0;
 159
 160         if (algo != NULL) {
 161                 switch (sess_algo) {
 162                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 163                         switch (keylen) {
 164                         case 16:
 165                                 *algo = EVP_des_ede_cbc();
 166                                 break;
 167                         case 24:
 168                                 *algo = EVP_des_ede3_cbc();
 169                                 break;
 170                         default:
 171                                 res = -EINVAL;
 172                         }
 173                         break;
 174                 case RTE_CRYPTO_CIPHER_3DES_CTR:
 175                         break;
 176                 case RTE_CRYPTO_CIPHER_AES_CBC:
 177                         switch (keylen) {
 178                         case 16:
 179                                 *algo = EVP_aes_128_cbc();
 180                                 break;
 181                         case 24:
 182                                 *algo = EVP_aes_192_cbc();
 183                                 break;
 184                         case 32:
 185                                 *algo = EVP_aes_256_cbc();
 186                                 break;
 187                         default:
 188                                 res = -EINVAL;
 189                         }
 190                         break;
 191                 case RTE_CRYPTO_CIPHER_AES_CTR:
 192                         switch (keylen) {
 193                         case 16:
 194                                 *algo = EVP_aes_128_ctr();
 195                                 break;
 196                         case 24:
 197                                 *algo = EVP_aes_192_ctr();
 198                                 break;
 199                         case 32:
 200                                 *algo = EVP_aes_256_ctr();
 201                                 break;
 202                         default:
 203                                 res = -EINVAL;
 204                         }
 205                         break;
 206                 case RTE_CRYPTO_CIPHER_AES_GCM:
 207                         switch (keylen) {
 208                         case 16:
 209                                 *algo = EVP_aes_128_gcm();
 210                                 break;
 211                         case 24:
 212                                 *algo = EVP_aes_192_gcm();
 213                                 break;
 214                         case 32:
 215                                 *algo = EVP_aes_256_gcm();
 216                                 break;
 217                         default:
 218                                 res = -EINVAL;
 219                         }
 220                         break;
 221                 default:
 222                         res = -EINVAL;
 223                         break;
 224                 }
 225         } else {
 226                 res = -EINVAL;
 227         }
 228
 229         return res;
 230 }
 231
 232 /** Get adequate openssl function for input auth algorithm */
 233 static uint8_t
 234 get_auth_algo(enum rte_crypto_auth_algorithm sessalgo,
 235                 const EVP_MD **algo)
 236 {
 237         int res = 0;
 238
 239         if (algo != NULL) {
 240                 switch (sessalgo) {
 241                 case RTE_CRYPTO_AUTH_MD5:
 242                 case RTE_CRYPTO_AUTH_MD5_HMAC:
 243                         *algo = EVP_md5();
 244                         break;
 245                 case RTE_CRYPTO_AUTH_SHA1:
 246                 case RTE_CRYPTO_AUTH_SHA1_HMAC:
 247                         *algo = EVP_sha1();
 248                         break;
 249                 case RTE_CRYPTO_AUTH_SHA224:
 250                 case RTE_CRYPTO_AUTH_SHA224_HMAC:
 251                         *algo = EVP_sha224();
 252                         break;
 253                 case RTE_CRYPTO_AUTH_SHA256:
 254                 case RTE_CRYPTO_AUTH_SHA256_HMAC:
 255                         *algo = EVP_sha256();
 256                         break;
 257                 case RTE_CRYPTO_AUTH_SHA384:
 258                 case RTE_CRYPTO_AUTH_SHA384_HMAC:
 259                         *algo = EVP_sha384();
 260                         break;
 261                 case RTE_CRYPTO_AUTH_SHA512:
 262                 case RTE_CRYPTO_AUTH_SHA512_HMAC:
 263                         *algo = EVP_sha512();
 264                         break;
 265                 default:
 266                         res = -EINVAL;
 267                         break;
 268                 }
 269         } else {
 270                 res = -EINVAL;
 271         }
 272
 273         return res;
 274 }
 275
 276 /** Set session cipher parameters */
 277 static int
 278 openssl_set_session_cipher_parameters(struct openssl_session *sess,
 279                 const struct rte_crypto_sym_xform *xform)
 280 {
 281         /* Select cipher direction */
 282         sess->cipher.direction = xform->cipher.op;
 283         /* Select cipher key */
 284         sess->cipher.key.length = xform->cipher.key.length;
 285
 286         /* Select cipher algo */
 287         switch (xform->cipher.algo) {
 288         case RTE_CRYPTO_CIPHER_3DES_CBC:
 289         case RTE_CRYPTO_CIPHER_AES_CBC:
 290         case RTE_CRYPTO_CIPHER_AES_CTR:
 291         case RTE_CRYPTO_CIPHER_AES_GCM:
 292                 sess->cipher.mode = OPENSSL_CIPHER_LIB;
 293                 sess->cipher.algo = xform->cipher.algo;
 294                 sess->cipher.ctx = EVP_CIPHER_CTX_new();
 295
 296                 if (get_cipher_algo(sess->cipher.algo, sess->cipher.key.length,
 297                                 &sess->cipher.evp_algo) != 0)
 298                         return -EINVAL;
 299
 300                 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
 301                         sess->cipher.key.data);
 302
 303                 break;
 304
 305         case RTE_CRYPTO_CIPHER_3DES_CTR:
 306                 sess->cipher.mode = OPENSSL_CIPHER_DES3CTR;
 307                 sess->cipher.ctx = EVP_CIPHER_CTX_new();
 308
 309                 if (get_cipher_key_ede(xform->cipher.key.data,
 310                                 sess->cipher.key.length,
 311                                 sess->cipher.key.data) != 0)
 312                         return -EINVAL;
 313                 break;
 314
 315         default:
 316                 sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
 317                 return -EINVAL;
 318         }
 319
 320         return 0;
 321 }
 322
 323 /* Set session auth parameters */
 324 static int
 325 openssl_set_session_auth_parameters(struct openssl_session *sess,
 326                 const struct rte_crypto_sym_xform *xform)
 327 {
 328         /* Select auth generate/verify */
 329         sess->auth.operation = xform->auth.op;
 330         sess->auth.algo = xform->auth.algo;
 331
 332         /* Select auth algo */
 333         switch (xform->auth.algo) {
 334         case RTE_CRYPTO_AUTH_AES_GMAC:
 335         case RTE_CRYPTO_AUTH_AES_GCM:
 336                 /* Check additional condition for AES_GMAC/GCM */
 337                 if (sess->cipher.algo != RTE_CRYPTO_CIPHER_AES_GCM)
 338                         return -EINVAL;
 339                 sess->chain_order = OPENSSL_CHAIN_COMBINED;
 340                 break;
 341
 342         case RTE_CRYPTO_AUTH_MD5:
 343         case RTE_CRYPTO_AUTH_SHA1:
 344         case RTE_CRYPTO_AUTH_SHA224:
 345         case RTE_CRYPTO_AUTH_SHA256:
 346         case RTE_CRYPTO_AUTH_SHA384:
 347         case RTE_CRYPTO_AUTH_SHA512:
 348                 sess->auth.mode = OPENSSL_AUTH_AS_AUTH;
 349                 if (get_auth_algo(xform->auth.algo,
 350                                 &sess->auth.auth.evp_algo) != 0)
 351                         return -EINVAL;
 352                 sess->auth.auth.ctx = EVP_MD_CTX_create();
 353                 break;
 354
 355         case RTE_CRYPTO_AUTH_MD5_HMAC:
 356         case RTE_CRYPTO_AUTH_SHA1_HMAC:
 357         case RTE_CRYPTO_AUTH_SHA224_HMAC:
 358         case RTE_CRYPTO_AUTH_SHA256_HMAC:
 359         case RTE_CRYPTO_AUTH_SHA384_HMAC:
 360         case RTE_CRYPTO_AUTH_SHA512_HMAC:
 361                 sess->auth.mode = OPENSSL_AUTH_AS_HMAC;
 362                 sess->auth.hmac.ctx = EVP_MD_CTX_create();
 363                 if (get_auth_algo(xform->auth.algo,
 364                                 &sess->auth.hmac.evp_algo) != 0)
 365                         return -EINVAL;
 366                 sess->auth.hmac.pkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL,
 367                                 xform->auth.key.data, xform->auth.key.length);
 368                 break;
 369
 370         default:
 371                 return -EINVAL;
 372         }
 373
 374         return 0;
 375 }
 376
 377 /** Parse crypto xform chain and set private session parameters */
 378 int
 379 openssl_set_session_parameters(struct openssl_session *sess,
 380                 const struct rte_crypto_sym_xform *xform)
 381 {
 382         const struct rte_crypto_sym_xform *cipher_xform = NULL;
 383         const struct rte_crypto_sym_xform *auth_xform = NULL;
 384
 385         sess->chain_order = openssl_get_chain_order(xform);
 386         switch (sess->chain_order) {
 387         case OPENSSL_CHAIN_ONLY_CIPHER:
 388                 cipher_xform = xform;
 389                 break;
 390         case OPENSSL_CHAIN_ONLY_AUTH:
 391                 auth_xform = xform;
 392                 break;
 393         case OPENSSL_CHAIN_CIPHER_AUTH:
 394                 cipher_xform = xform;
 395                 auth_xform = xform->next;
 396                 break;
 397         case OPENSSL_CHAIN_AUTH_CIPHER:
 398                 auth_xform = xform;
 399                 cipher_xform = xform->next;
 400                 break;
 401         default:
 402                 return -EINVAL;
 403         }
 404
 405         /* cipher_xform must be check before auth_xform */
 406         if (cipher_xform) {
 407                 if (openssl_set_session_cipher_parameters(
 408                                 sess, cipher_xform)) {
 409                         OPENSSL_LOG_ERR(
 410                                 "Invalid/unsupported cipher parameters");
 411                         return -EINVAL;
 412                 }
 413         }
 414
 415         if (auth_xform) {
 416                 if (openssl_set_session_auth_parameters(sess, auth_xform)) {
 417                         OPENSSL_LOG_ERR(
 418                                 "Invalid/unsupported auth parameters");
 419                         return -EINVAL;
 420                 }
 421         }
 422
 423         return 0;
 424 }
 425
 426 /** Reset private session parameters */
 427 void
 428 openssl_reset_session(struct openssl_session *sess)
 429 {
 430         EVP_CIPHER_CTX_free(sess->cipher.ctx);
 431
 432         switch (sess->auth.mode) {
 433         case OPENSSL_AUTH_AS_AUTH:
 434                 EVP_MD_CTX_destroy(sess->auth.auth.ctx);
 435                 break;
 436         case OPENSSL_AUTH_AS_HMAC:
 437                 EVP_PKEY_free(sess->auth.hmac.pkey);
 438                 EVP_MD_CTX_destroy(sess->auth.hmac.ctx);
 439                 break;
 440         default:
 441                 break;
 442         }
 443 }
 444
 445 /** Provide session for operation */
 446 static struct openssl_session *
 447 get_session(struct openssl_qp *qp, struct rte_crypto_op *op)
 448 {
 449         struct openssl_session *sess = NULL;
 450
 451         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
 452                 /* get existing session */
 453                 if (likely(op->sym->session != NULL &&
 454                                 op->sym->session->dev_type ==
 455                                 RTE_CRYPTODEV_OPENSSL_PMD))
 456                         sess = (struct openssl_session *)
 457                                 op->sym->session->_private;
 458         } else  {
 459                 /* provide internal session */
 460                 void *_sess = NULL;
 461
 462                 if (!rte_mempool_get(qp->sess_mp, (void **)&_sess)) {
 463                         sess = (struct openssl_session *)
 464                                 ((struct rte_cryptodev_sym_session *)_sess)
 465                                 ->_private;
 466
 467                         if (unlikely(openssl_set_session_parameters(
 468                                         sess, op->sym->xform) != 0)) {
 469                                 rte_mempool_put(qp->sess_mp, _sess);
 470                                 sess = NULL;
 471                         } else
 472                                 op->sym->session = _sess;
 473                 }
 474         }
 475
 476         if (sess == NULL)
 477                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 478
 479         return sess;
 480 }
 481
 482 /*
 483  *------------------------------------------------------------------------------
 484  * Process Operations
 485  *------------------------------------------------------------------------------
 486  */
 487 static inline int
 488 process_openssl_encryption_update(struct rte_mbuf *mbuf_src, int offset,
 489                 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
 490 {
 491         struct rte_mbuf *m;
 492         int dstlen;
 493         int l, n = srclen;
 494         uint8_t *src;
 495
 496         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 497                         m = m->next)
 498                 offset -= rte_pktmbuf_data_len(m);
 499
 500         if (m == 0)
 501                 return -1;
 502
 503         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 504
 505         l = rte_pktmbuf_data_len(m) - offset;
 506         if (srclen <= l) {
 507                 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
 508                         return -1;
 509                 *dst += l;
 510                 return 0;
 511         }
 512
 513         if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 514                 return -1;
 515
 516         *dst += dstlen;
 517         n -= l;
 518
 519         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 520                 src = rte_pktmbuf_mtod(m, uint8_t *);
 521                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 522                 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 523                         return -1;
 524                 *dst += dstlen;
 525                 n -= l;
 526         }
 527
 528         return 0;
 529 }
 530
 531 static inline int
 532 process_openssl_decryption_update(struct rte_mbuf *mbuf_src, int offset,
 533                 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
 534 {
 535         struct rte_mbuf *m;
 536         int dstlen;
 537         int l, n = srclen;
 538         uint8_t *src;
 539
 540         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 541                         m = m->next)
 542                 offset -= rte_pktmbuf_data_len(m);
 543
 544         if (m == 0)
 545                 return -1;
 546
 547         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 548
 549         l = rte_pktmbuf_data_len(m) - offset;
 550         if (srclen <= l) {
 551                 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
 552                         return -1;
 553                 *dst += l;
 554                 return 0;
 555         }
 556
 557         if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 558                 return -1;
 559
 560         *dst += dstlen;
 561         n -= l;
 562
 563         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 564                 src = rte_pktmbuf_mtod(m, uint8_t *);
 565                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 566                 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 567                         return -1;
 568                 *dst += dstlen;
 569                 n -= l;
 570         }
 571
 572         return 0;
 573 }
 574
 575 /** Process standard openssl cipher encryption */
 576 static int
 577 process_openssl_cipher_encrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
 578                 int offset, uint8_t *iv, uint8_t *key, int srclen,
 579                 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
 580 {
 581         int totlen;
 582
 583         if (EVP_EncryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
 584                 goto process_cipher_encrypt_err;
 585
 586         EVP_CIPHER_CTX_set_padding(ctx, 0);
 587
 588         if (process_openssl_encryption_update(mbuf_src, offset, &dst,
 589                         srclen, ctx))
 590                 goto process_cipher_encrypt_err;
 591
 592         if (EVP_EncryptFinal_ex(ctx, dst, &totlen) <= 0)
 593                 goto process_cipher_encrypt_err;
 594
 595         return 0;
 596
 597 process_cipher_encrypt_err:
 598         OPENSSL_LOG_ERR("Process openssl cipher encrypt failed");
 599         return -EINVAL;
 600 }
 601
 602 /** Process standard openssl cipher decryption */
 603 static int
 604 process_openssl_cipher_decrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
 605                 int offset, uint8_t *iv, uint8_t *key, int srclen,
 606                 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
 607 {
 608         int totlen;
 609
 610         if (EVP_DecryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
 611                 goto process_cipher_decrypt_err;
 612
 613         EVP_CIPHER_CTX_set_padding(ctx, 0);
 614
 615         if (process_openssl_decryption_update(mbuf_src, offset, &dst,
 616                         srclen, ctx))
 617                 goto process_cipher_decrypt_err;
 618
 619         if (EVP_DecryptFinal_ex(ctx, dst, &totlen) <= 0)
 620                 goto process_cipher_decrypt_err;
 621         return 0;
 622
 623 process_cipher_decrypt_err:
 624         OPENSSL_LOG_ERR("Process openssl cipher decrypt failed");
 625         return -EINVAL;
 626 }
 627
 628 /** Process cipher des 3 ctr encryption, decryption algorithm */
 629 static int
 630 process_openssl_cipher_des3ctr(struct rte_mbuf *mbuf_src, uint8_t *dst,
 631                 int offset, uint8_t *iv, uint8_t *key, int srclen,
 632                 EVP_CIPHER_CTX *ctx)
 633 {
 634         uint8_t ebuf[8], ctr[8];
 635         int unused, n;
 636         struct rte_mbuf *m;
 637         uint8_t *src;
 638         int l;
 639
 640         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 641                         m = m->next)
 642                 offset -= rte_pktmbuf_data_len(m);
 643
 644         if (m == 0)
 645                 goto process_cipher_des3ctr_err;
 646
 647         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 648         l = rte_pktmbuf_data_len(m) - offset;
 649
 650         /* We use 3DES encryption also for decryption.
 651          * IV is not important for 3DES ecb
 652          */
 653         if (EVP_EncryptInit_ex(ctx, EVP_des_ede3_ecb(), NULL, key, NULL) <= 0)
 654                 goto process_cipher_des3ctr_err;
 655
 656         memcpy(ctr, iv, 8);
 657
 658         for (n = 0; n < srclen; n++) {
 659                 if (n % 8 == 0) {
 660                         if (EVP_EncryptUpdate(ctx,
 661                                         (unsigned char *)&ebuf, &unused,
 662                                         (const unsigned char *)&ctr, 8) <= 0)
 663                                 goto process_cipher_des3ctr_err;
 664                         ctr_inc(ctr);
 665                 }
 666                 dst[n] = *(src++) ^ ebuf[n % 8];
 667
 668                 l--;
 669                 if (!l) {
 670                         m = m->next;
 671                         if (m) {
 672                                 src = rte_pktmbuf_mtod(m, uint8_t *);
 673                                 l = rte_pktmbuf_data_len(m);
 674                         }
 675                 }
 676         }
 677
 678         return 0;
 679
 680 process_cipher_des3ctr_err:
 681         OPENSSL_LOG_ERR("Process openssl cipher des 3 ede ctr failed");
 682         return -EINVAL;
 683 }
 684
 685 /** Process auth/encription aes-gcm algorithm */
 686 static int
 687 process_openssl_auth_encryption_gcm(struct rte_mbuf *mbuf_src, int offset,
 688                 int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
 689                 uint8_t *key, uint8_t *dst, uint8_t *tag,
 690                 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
 691 {
 692         int len = 0, unused = 0;
 693         uint8_t empty[] = {};
 694
 695         if (EVP_EncryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0)
 696                 goto process_auth_encryption_gcm_err;
 697
 698         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0)
 699                 goto process_auth_encryption_gcm_err;
 700
 701         if (EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
 702                 goto process_auth_encryption_gcm_err;
 703
 704         if (aadlen > 0)
 705                 if (EVP_EncryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
 706                         goto process_auth_encryption_gcm_err;
 707
 708         if (srclen > 0)
 709                 if (process_openssl_encryption_update(mbuf_src, offset, &dst,
 710                                 srclen, ctx))
 711                         goto process_auth_encryption_gcm_err;
 712
 713         /* Workaround open ssl bug in version less then 1.0.1f */
 714         if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
 715                 goto process_auth_encryption_gcm_err;
 716
 717         if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
 718                 goto process_auth_encryption_gcm_err;
 719
 720         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag) <= 0)
 721                 goto process_auth_encryption_gcm_err;
 722
 723         return 0;
 724
 725 process_auth_encryption_gcm_err:
 726         OPENSSL_LOG_ERR("Process openssl auth encryption gcm failed");
 727         return -EINVAL;
 728 }
 729
 730 static int
 731 process_openssl_auth_decryption_gcm(struct rte_mbuf *mbuf_src, int offset,
 732                 int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
 733                 uint8_t *key, uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx,
 734                 const EVP_CIPHER *algo)
 735 {
 736         int len = 0, unused = 0;
 737         uint8_t empty[] = {};
 738
 739         if (EVP_DecryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0)
 740                 goto process_auth_decryption_gcm_err;
 741
 742         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0)
 743                 goto process_auth_decryption_gcm_err;
 744
 745         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, 16, tag) <= 0)
 746                 goto process_auth_decryption_gcm_err;
 747
 748         if (EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
 749                 goto process_auth_decryption_gcm_err;
 750
 751         if (aadlen > 0)
 752                 if (EVP_DecryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
 753                         goto process_auth_decryption_gcm_err;
 754
 755         if (srclen > 0)
 756                 if (process_openssl_decryption_update(mbuf_src, offset, &dst,
 757                                 srclen, ctx))
 758                         goto process_auth_decryption_gcm_err;
 759
 760         /* Workaround open ssl bug in version less then 1.0.1f */
 761         if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
 762                 goto process_auth_decryption_gcm_err;
 763
 764         if (EVP_DecryptFinal_ex(ctx, dst, &len) <= 0)
 765                 goto process_auth_decryption_gcm_final_err;
 766
 767         return 0;
 768
 769 process_auth_decryption_gcm_err:
 770         OPENSSL_LOG_ERR("Process openssl auth description gcm failed");
 771         return -EINVAL;
 772
 773 process_auth_decryption_gcm_final_err:
 774         return -EFAULT;
 775 }
 776
 777 /** Process standard openssl auth algorithms */
 778 static int
 779 process_openssl_auth(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
 780                 __rte_unused uint8_t *iv, __rte_unused EVP_PKEY * pkey,
 781                 int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
 782 {
 783         size_t dstlen;
 784         struct rte_mbuf *m;
 785         int l, n = srclen;
 786         uint8_t *src;
 787
 788         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 789                         m = m->next)
 790                 offset -= rte_pktmbuf_data_len(m);
 791
 792         if (m == 0)
 793                 goto process_auth_err;
 794
 795         if (EVP_DigestInit_ex(ctx, algo, NULL) <= 0)
 796                 goto process_auth_err;
 797
 798         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 799
 800         l = rte_pktmbuf_data_len(m) - offset;
 801         if (srclen <= l) {
 802                 if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0)
 803                         goto process_auth_err;
 804                 goto process_auth_final;
 805         }
 806
 807         if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
 808                 goto process_auth_err;
 809
 810         n -= l;
 811
 812         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 813                 src = rte_pktmbuf_mtod(m, uint8_t *);
 814                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 815                 if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
 816                         goto process_auth_err;
 817                 n -= l;
 818         }
 819
 820 process_auth_final:
 821         if (EVP_DigestFinal_ex(ctx, dst, (unsigned int *)&dstlen) <= 0)
 822                 goto process_auth_err;
 823         return 0;
 824
 825 process_auth_err:
 826         OPENSSL_LOG_ERR("Process openssl auth failed");
 827         return -EINVAL;
 828 }
 829
 830 /** Process standard openssl auth algorithms with hmac */
 831 static int
 832 process_openssl_auth_hmac(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
 833                 __rte_unused uint8_t *iv, EVP_PKEY *pkey,
 834                 int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
 835 {
 836         size_t dstlen;
 837         struct rte_mbuf *m;
 838         int l, n = srclen;
 839         uint8_t *src;
 840
 841         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 842                         m = m->next)
 843                 offset -= rte_pktmbuf_data_len(m);
 844
 845         if (m == 0)
 846                 goto process_auth_err;
 847
 848         if (EVP_DigestSignInit(ctx, NULL, algo, NULL, pkey) <= 0)
 849                 goto process_auth_err;
 850
 851         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 852
 853         l = rte_pktmbuf_data_len(m) - offset;
 854         if (srclen <= l) {
 855                 if (EVP_DigestSignUpdate(ctx, (char *)src, srclen) <= 0)
 856                         goto process_auth_err;
 857                 goto process_auth_final;
 858         }
 859
 860         if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0)
 861                 goto process_auth_err;
 862
 863         n -= l;
 864
 865         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 866                 src = rte_pktmbuf_mtod(m, uint8_t *);
 867                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 868                 if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0)
 869                         goto process_auth_err;
 870                 n -= l;
 871         }
 872
 873 process_auth_final:
 874         if (EVP_DigestSignFinal(ctx, dst, &dstlen) <= 0)
 875                 goto process_auth_err;
 876
 877         return 0;
 878
 879 process_auth_err:
 880         OPENSSL_LOG_ERR("Process openssl auth failed");
 881         return -EINVAL;
 882 }
 883
 884 /*----------------------------------------------------------------------------*/
 885
 886 /** Process auth/cipher combined operation */
 887 static void
 888 process_openssl_combined_op
 889                 (struct rte_crypto_op *op, struct openssl_session *sess,
 890                 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
 891 {
 892         /* cipher */
 893         uint8_t *dst = NULL, *iv, *tag, *aad;
 894         int srclen, ivlen, aadlen, status = -1;
 895
 896         /*
 897          * Segmented destination buffer is not supported for
 898          * encryption/decryption
 899          */
 900         if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
 901                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 902                 return;
 903         }
 904
 905         iv = op->sym->cipher.iv.data;
 906         ivlen = op->sym->cipher.iv.length;
 907         aad = op->sym->auth.aad.data;
 908         aadlen = op->sym->auth.aad.length;
 909
 910         tag = op->sym->auth.digest.data;
 911         if (tag == NULL)
 912                 tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
 913                                 op->sym->cipher.data.offset +
 914                                 op->sym->cipher.data.length);
 915
 916         if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
 917                 srclen = 0;
 918         else {
 919                 srclen = op->sym->cipher.data.length;
 920                 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
 921                                 op->sym->cipher.data.offset);
 922         }
 923
 924         if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 925                 status = process_openssl_auth_encryption_gcm(
 926                                 mbuf_src, op->sym->cipher.data.offset, srclen,
 927                                 aad, aadlen, iv, ivlen, sess->cipher.key.data,
 928                                 dst, tag, sess->cipher.ctx,
 929                                 sess->cipher.evp_algo);
 930         else
 931                 status = process_openssl_auth_decryption_gcm(
 932                                 mbuf_src, op->sym->cipher.data.offset, srclen,
 933                                 aad, aadlen, iv, ivlen, sess->cipher.key.data,
 934                                 dst, tag, sess->cipher.ctx,
 935                                 sess->cipher.evp_algo);
 936
 937         if (status != 0) {
 938                 if (status == (-EFAULT) &&
 939                                 sess->auth.operation ==
 940                                                 RTE_CRYPTO_AUTH_OP_VERIFY)
 941                         op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 942                 else
 943                         op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 944         }
 945 }
 946
 947 /** Process cipher operation */
 948 static void
 949 process_openssl_cipher_op
 950                 (struct rte_crypto_op *op, struct openssl_session *sess,
 951                 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
 952 {
 953         uint8_t *dst, *iv;
 954         int srclen, status;
 955
 956         /*
 957          * Segmented destination buffer is not supported for
 958          * encryption/decryption
 959          */
 960         if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
 961                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 962                 return;
 963         }
 964
 965         srclen = op->sym->cipher.data.length;
 966         dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
 967                         op->sym->cipher.data.offset);
 968
 969         iv = op->sym->cipher.iv.data;
 970
 971         if (sess->cipher.mode == OPENSSL_CIPHER_LIB)
 972                 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 973                         status = process_openssl_cipher_encrypt(mbuf_src, dst,
 974                                         op->sym->cipher.data.offset, iv,
 975                                         sess->cipher.key.data, srclen,
 976                                         sess->cipher.ctx,
 977                                         sess->cipher.evp_algo);
 978                 else
 979                         status = process_openssl_cipher_decrypt(mbuf_src, dst,
 980                                         op->sym->cipher.data.offset, iv,
 981                                         sess->cipher.key.data, srclen,
 982                                         sess->cipher.ctx,
 983                                         sess->cipher.evp_algo);
 984         else
 985                 status = process_openssl_cipher_des3ctr(mbuf_src, dst,
 986                                 op->sym->cipher.data.offset, iv,
 987                                 sess->cipher.key.data, srclen,
 988                                 sess->cipher.ctx);
 989
 990         if (status != 0)
 991                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 992 }
 993
 994 /** Process auth operation */
 995 static void
 996 process_openssl_auth_op
 997                 (struct rte_crypto_op *op, struct openssl_session *sess,
 998                 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
 999 {
1000         uint8_t *dst;
1001         int srclen, status;
1002
1003         srclen = op->sym->auth.data.length;
1004
1005         if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY)
1006                 dst = (uint8_t *)rte_pktmbuf_append(mbuf_src,
1007                                 op->sym->auth.digest.length);
1008         else {
1009                 dst = op->sym->auth.digest.data;
1010                 if (dst == NULL)
1011                         dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1012                                         op->sym->auth.data.offset +
1013                                         op->sym->auth.data.length);
1014         }
1015
1016         switch (sess->auth.mode) {
1017         case OPENSSL_AUTH_AS_AUTH:
1018                 status = process_openssl_auth(mbuf_src, dst,
1019                                 op->sym->auth.data.offset, NULL, NULL, srclen,
1020                                 sess->auth.auth.ctx, sess->auth.auth.evp_algo);
1021                 break;
1022         case OPENSSL_AUTH_AS_HMAC:
1023                 status = process_openssl_auth_hmac(mbuf_src, dst,
1024                                 op->sym->auth.data.offset, NULL,
1025                                 sess->auth.hmac.pkey, srclen,
1026                                 sess->auth.hmac.ctx, sess->auth.hmac.evp_algo);
1027                 break;
1028         default:
1029                 status = -1;
1030                 break;
1031         }
1032
1033         if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
1034                 if (memcmp(dst, op->sym->auth.digest.data,
1035                                 op->sym->auth.digest.length) != 0) {
1036                         op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
1037                 }
1038                 /* Trim area used for digest from mbuf. */
1039                 rte_pktmbuf_trim(mbuf_src, op->sym->auth.digest.length);
1040         }
1041
1042         if (status != 0)
1043                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1044 }
1045
1046 /** Process crypto operation for mbuf */
1047 static int
1048 process_op(const struct openssl_qp *qp, struct rte_crypto_op *op,
1049                 struct openssl_session *sess)
1050 {
1051         struct rte_mbuf *msrc, *mdst;
1052         int retval;
1053
1054         msrc = op->sym->m_src;
1055         mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
1056
1057         op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1058
1059         switch (sess->chain_order) {
1060         case OPENSSL_CHAIN_ONLY_CIPHER:
1061                 process_openssl_cipher_op(op, sess, msrc, mdst);
1062                 break;
1063         case OPENSSL_CHAIN_ONLY_AUTH:
1064                 process_openssl_auth_op(op, sess, msrc, mdst);
1065                 break;
1066         case OPENSSL_CHAIN_CIPHER_AUTH:
1067                 process_openssl_cipher_op(op, sess, msrc, mdst);
1068                 process_openssl_auth_op(op, sess, mdst, mdst);
1069                 break;
1070         case OPENSSL_CHAIN_AUTH_CIPHER:
1071                 process_openssl_auth_op(op, sess, msrc, mdst);
1072                 process_openssl_cipher_op(op, sess, msrc, mdst);
1073                 break;
1074         case OPENSSL_CHAIN_COMBINED:
1075                 process_openssl_combined_op(op, sess, msrc, mdst);
1076                 break;
1077         default:
1078                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1079                 break;
1080         }
1081
1082         /* Free session if a session-less crypto op */
1083         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
1084                 openssl_reset_session(sess);
1085                 memset(sess, 0, sizeof(struct openssl_session));
1086                 rte_mempool_put(qp->sess_mp, op->sym->session);
1087                 op->sym->session = NULL;
1088         }
1089
1090         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
1091                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1092
1093         if (op->status != RTE_CRYPTO_OP_STATUS_ERROR)
1094                 retval = rte_ring_enqueue(qp->processed_ops, (void *)op);
1095         else
1096                 retval = -1;
1097
1098         return retval;
1099 }
1100
1101 /*
1102  *------------------------------------------------------------------------------
1103  * PMD Framework
1104  *------------------------------------------------------------------------------
1105  */
1106
1107 /** Enqueue burst */
1108 static uint16_t
1109 openssl_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
1110                 uint16_t nb_ops)
1111 {
1112         struct openssl_session *sess;
1113         struct openssl_qp *qp = queue_pair;
1114         int i, retval;
1115
1116         for (i = 0; i < nb_ops; i++) {
1117                 sess = get_session(qp, ops[i]);
1118                 if (unlikely(sess == NULL))
1119                         goto enqueue_err;
1120
1121                 retval = process_op(qp, ops[i], sess);
1122                 if (unlikely(retval < 0))
1123                         goto enqueue_err;
1124         }
1125
1126         qp->stats.enqueued_count += i;
1127         return i;
1128
1129 enqueue_err:
1130         qp->stats.enqueue_err_count++;
1131         return i;
1132 }
1133
1134 /** Dequeue burst */
1135 static uint16_t
1136 openssl_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
1137                 uint16_t nb_ops)
1138 {
1139         struct openssl_qp *qp = queue_pair;
1140
1141         unsigned int nb_dequeued = 0;
1142
1143         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
1144                         (void **)ops, nb_ops);
1145         qp->stats.dequeued_count += nb_dequeued;
1146
1147         return nb_dequeued;
1148 }
1149
1150 /** Create OPENSSL crypto device */
1151 static int
1152 cryptodev_openssl_create(const char *name,
1153                 struct rte_crypto_vdev_init_params *init_params)
1154 {
1155         struct rte_cryptodev *dev;
1156         char crypto_dev_name[RTE_CRYPTODEV_NAME_MAX_LEN];
1157         struct openssl_private *internals;
1158
1159         /* create a unique device name */
1160         if (create_unique_device_name(crypto_dev_name,
1161                         RTE_CRYPTODEV_NAME_MAX_LEN) != 0) {
1162                 OPENSSL_LOG_ERR("failed to create unique cryptodev name");
1163                 return -EINVAL;
1164         }
1165
1166         dev = rte_cryptodev_pmd_virtual_dev_init(crypto_dev_name,
1167                         sizeof(struct openssl_private),
1168                         init_params->socket_id);
1169         if (dev == NULL) {
1170                 OPENSSL_LOG_ERR("failed to create cryptodev vdev");
1171                 goto init_error;
1172         }
1173
1174         dev->dev_type = RTE_CRYPTODEV_OPENSSL_PMD;
1175         dev->dev_ops = rte_openssl_pmd_ops;
1176
1177         /* register rx/tx burst functions for data path */
1178         dev->dequeue_burst = openssl_pmd_dequeue_burst;
1179         dev->enqueue_burst = openssl_pmd_enqueue_burst;
1180
1181         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
1182                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
1183                         RTE_CRYPTODEV_FF_CPU_AESNI |
1184                         RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
1185
1186         /* Set vector instructions mode supported */
1187         internals = dev->data->dev_private;
1188
1189         internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
1190         internals->max_nb_sessions = init_params->max_nb_sessions;
1191
1192         return 0;
1193
1194 init_error:
1195         OPENSSL_LOG_ERR("driver %s: cryptodev_openssl_create failed", name);
1196
1197         cryptodev_openssl_remove(crypto_dev_name);
1198         return -EFAULT;
1199 }
1200
1201 /** Initialise OPENSSL crypto device */
1202 static int
1203 cryptodev_openssl_probe(const char *name,
1204                 const char *input_args)
1205 {
1206         struct rte_crypto_vdev_init_params init_params = {
1207                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
1208                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
1209                 rte_socket_id()
1210         };
1211
1212         rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
1213
1214         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
1215                         init_params.socket_id);
1216         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
1217                         init_params.max_nb_queue_pairs);
1218         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
1219                         init_params.max_nb_sessions);
1220
1221         return cryptodev_openssl_create(name, &init_params);
1222 }
1223
1224 /** Uninitialise OPENSSL crypto device */
1225 static int
1226 cryptodev_openssl_remove(const char *name)
1227 {
1228         if (name == NULL)
1229                 return -EINVAL;
1230
1231         RTE_LOG(INFO, PMD,
1232                 "Closing OPENSSL crypto device %s on numa socket %u\n",
1233                 name, rte_socket_id());
1234
1235         return 0;
1236 }
1237
1238 static struct rte_vdev_driver cryptodev_openssl_pmd_drv = {
1239         .probe = cryptodev_openssl_probe,
1240         .remove = cryptodev_openssl_remove
1241 };
1242
1243 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_OPENSSL_PMD,
1244         cryptodev_openssl_pmd_drv);
1245 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD,
1246         "max_nb_queue_pairs=<int> "
1247         "max_nb_sessions=<int> "
1248         "socket_id=<int>");