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