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_cryptodev_vdev.h>
  38 #include <rte_vdev.h>
  39 #include <rte_malloc.h>
  40 #include <rte_cpuflags.h>
  41
  42 #include <openssl/evp.h>
  43
  44 #include "rte_openssl_pmd_private.h"
  45
  46 #define DES_BLOCK_SIZE 8
  47
  48 static int cryptodev_openssl_remove(struct rte_vdev_device *vdev);
  49
  50 /*----------------------------------------------------------------------------*/
  51
  52 /**
  53  * Increment counter by 1
  54  * Counter is 64 bit array, big-endian
  55  */
  56 static void
  57 ctr_inc(uint8_t *ctr)
  58 {
  59         uint64_t *ctr64 = (uint64_t *)ctr;
  60
  61         *ctr64 = __builtin_bswap64(*ctr64);
  62         (*ctr64)++;
  63         *ctr64 = __builtin_bswap64(*ctr64);
  64 }
  65
  66 /*
  67  *------------------------------------------------------------------------------
  68  * Session Prepare
  69  *------------------------------------------------------------------------------
  70  */
  71
  72 /** Get xform chain order */
  73 static enum openssl_chain_order
  74 openssl_get_chain_order(const struct rte_crypto_sym_xform *xform)
  75 {
  76         enum openssl_chain_order res = OPENSSL_CHAIN_NOT_SUPPORTED;
  77
  78         if (xform != NULL) {
  79                 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  80                         if (xform->next == NULL)
  81                                 res =  OPENSSL_CHAIN_ONLY_AUTH;
  82                         else if (xform->next->type ==
  83                                         RTE_CRYPTO_SYM_XFORM_CIPHER)
  84                                 res =  OPENSSL_CHAIN_AUTH_CIPHER;
  85                 }
  86                 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  87                         if (xform->next == NULL)
  88                                 res =  OPENSSL_CHAIN_ONLY_CIPHER;
  89                         else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  90                                 res =  OPENSSL_CHAIN_CIPHER_AUTH;
  91                 }
  92         }
  93
  94         return res;
  95 }
  96
  97 /** Get session cipher key from input cipher key */
  98 static void
  99 get_cipher_key(uint8_t *input_key, int keylen, uint8_t *session_key)
 100 {
 101         memcpy(session_key, input_key, keylen);
 102 }
 103
 104 /** Get key ede 24 bytes standard from input key */
 105 static int
 106 get_cipher_key_ede(uint8_t *key, int keylen, uint8_t *key_ede)
 107 {
 108         int res = 0;
 109
 110         /* Initialize keys - 24 bytes: [key1-key2-key3] */
 111         switch (keylen) {
 112         case 24:
 113                 memcpy(key_ede, key, 24);
 114                 break;
 115         case 16:
 116                 /* K3 = K1 */
 117                 memcpy(key_ede, key, 16);
 118                 memcpy(key_ede + 16, key, 8);
 119                 break;
 120         case 8:
 121                 /* K1 = K2 = K3 (DES compatibility) */
 122                 memcpy(key_ede, key, 8);
 123                 memcpy(key_ede + 8, key, 8);
 124                 memcpy(key_ede + 16, key, 8);
 125                 break;
 126         default:
 127                 OPENSSL_LOG_ERR("Unsupported key size");
 128                 res = -EINVAL;
 129         }
 130
 131         return res;
 132 }
 133
 134 /** Get adequate openssl function for input cipher algorithm */
 135 static uint8_t
 136 get_cipher_algo(enum rte_crypto_cipher_algorithm sess_algo, size_t keylen,
 137                 const EVP_CIPHER **algo)
 138 {
 139         int res = 0;
 140
 141         if (algo != NULL) {
 142                 switch (sess_algo) {
 143                 case RTE_CRYPTO_CIPHER_3DES_CBC:
 144                         switch (keylen) {
 145                         case 16:
 146                                 *algo = EVP_des_ede_cbc();
 147                                 break;
 148                         case 24:
 149                                 *algo = EVP_des_ede3_cbc();
 150                                 break;
 151                         default:
 152                                 res = -EINVAL;
 153                         }
 154                         break;
 155                 case RTE_CRYPTO_CIPHER_3DES_CTR:
 156                         break;
 157                 case RTE_CRYPTO_CIPHER_AES_CBC:
 158                         switch (keylen) {
 159                         case 16:
 160                                 *algo = EVP_aes_128_cbc();
 161                                 break;
 162                         case 24:
 163                                 *algo = EVP_aes_192_cbc();
 164                                 break;
 165                         case 32:
 166                                 *algo = EVP_aes_256_cbc();
 167                                 break;
 168                         default:
 169                                 res = -EINVAL;
 170                         }
 171                         break;
 172                 case RTE_CRYPTO_CIPHER_AES_CTR:
 173                         switch (keylen) {
 174                         case 16:
 175                                 *algo = EVP_aes_128_ctr();
 176                                 break;
 177                         case 24:
 178                                 *algo = EVP_aes_192_ctr();
 179                                 break;
 180                         case 32:
 181                                 *algo = EVP_aes_256_ctr();
 182                                 break;
 183                         default:
 184                                 res = -EINVAL;
 185                         }
 186                         break;
 187                 case RTE_CRYPTO_CIPHER_AES_GCM:
 188                         switch (keylen) {
 189                         case 16:
 190                                 *algo = EVP_aes_128_gcm();
 191                                 break;
 192                         case 24:
 193                                 *algo = EVP_aes_192_gcm();
 194                                 break;
 195                         case 32:
 196                                 *algo = EVP_aes_256_gcm();
 197                                 break;
 198                         default:
 199                                 res = -EINVAL;
 200                         }
 201                         break;
 202                 default:
 203                         res = -EINVAL;
 204                         break;
 205                 }
 206         } else {
 207                 res = -EINVAL;
 208         }
 209
 210         return res;
 211 }
 212
 213 /** Get adequate openssl function for input auth algorithm */
 214 static uint8_t
 215 get_auth_algo(enum rte_crypto_auth_algorithm sessalgo,
 216                 const EVP_MD **algo)
 217 {
 218         int res = 0;
 219
 220         if (algo != NULL) {
 221                 switch (sessalgo) {
 222                 case RTE_CRYPTO_AUTH_MD5:
 223                 case RTE_CRYPTO_AUTH_MD5_HMAC:
 224                         *algo = EVP_md5();
 225                         break;
 226                 case RTE_CRYPTO_AUTH_SHA1:
 227                 case RTE_CRYPTO_AUTH_SHA1_HMAC:
 228                         *algo = EVP_sha1();
 229                         break;
 230                 case RTE_CRYPTO_AUTH_SHA224:
 231                 case RTE_CRYPTO_AUTH_SHA224_HMAC:
 232                         *algo = EVP_sha224();
 233                         break;
 234                 case RTE_CRYPTO_AUTH_SHA256:
 235                 case RTE_CRYPTO_AUTH_SHA256_HMAC:
 236                         *algo = EVP_sha256();
 237                         break;
 238                 case RTE_CRYPTO_AUTH_SHA384:
 239                 case RTE_CRYPTO_AUTH_SHA384_HMAC:
 240                         *algo = EVP_sha384();
 241                         break;
 242                 case RTE_CRYPTO_AUTH_SHA512:
 243                 case RTE_CRYPTO_AUTH_SHA512_HMAC:
 244                         *algo = EVP_sha512();
 245                         break;
 246                 default:
 247                         res = -EINVAL;
 248                         break;
 249                 }
 250         } else {
 251                 res = -EINVAL;
 252         }
 253
 254         return res;
 255 }
 256
 257 /** Set session cipher parameters */
 258 static int
 259 openssl_set_session_cipher_parameters(struct openssl_session *sess,
 260                 const struct rte_crypto_sym_xform *xform)
 261 {
 262         /* Select cipher direction */
 263         sess->cipher.direction = xform->cipher.op;
 264         /* Select cipher key */
 265         sess->cipher.key.length = xform->cipher.key.length;
 266
 267         /* Select cipher algo */
 268         switch (xform->cipher.algo) {
 269         case RTE_CRYPTO_CIPHER_3DES_CBC:
 270         case RTE_CRYPTO_CIPHER_AES_CBC:
 271         case RTE_CRYPTO_CIPHER_AES_CTR:
 272         case RTE_CRYPTO_CIPHER_AES_GCM:
 273                 sess->cipher.mode = OPENSSL_CIPHER_LIB;
 274                 sess->cipher.algo = xform->cipher.algo;
 275                 sess->cipher.ctx = EVP_CIPHER_CTX_new();
 276
 277                 if (get_cipher_algo(sess->cipher.algo, sess->cipher.key.length,
 278                                 &sess->cipher.evp_algo) != 0)
 279                         return -EINVAL;
 280
 281                 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
 282                         sess->cipher.key.data);
 283
 284                 break;
 285
 286         case RTE_CRYPTO_CIPHER_3DES_CTR:
 287                 sess->cipher.mode = OPENSSL_CIPHER_DES3CTR;
 288                 sess->cipher.ctx = EVP_CIPHER_CTX_new();
 289
 290                 if (get_cipher_key_ede(xform->cipher.key.data,
 291                                 sess->cipher.key.length,
 292                                 sess->cipher.key.data) != 0)
 293                         return -EINVAL;
 294                 break;
 295         case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
 296                 sess->cipher.algo = xform->cipher.algo;
 297                 sess->chain_order = OPENSSL_CHAIN_CIPHER_BPI;
 298                 sess->cipher.ctx = EVP_CIPHER_CTX_new();
 299                 sess->cipher.evp_algo = EVP_des_cbc();
 300
 301                 sess->cipher.bpi_ctx = EVP_CIPHER_CTX_new();
 302                 /* IV will be ECB encrypted whether direction is encrypt or decrypt */
 303                 if (EVP_EncryptInit_ex(sess->cipher.bpi_ctx, EVP_des_ecb(),
 304                                 NULL, xform->cipher.key.data, 0) != 1)
 305                         return -EINVAL;
 306
 307                 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
 308                         sess->cipher.key.data);
 309                 break;
 310         default:
 311                 sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
 312                 return -EINVAL;
 313         }
 314
 315         return 0;
 316 }
 317
 318 /* Set session auth parameters */
 319 static int
 320 openssl_set_session_auth_parameters(struct openssl_session *sess,
 321                 const struct rte_crypto_sym_xform *xform)
 322 {
 323         /* Select auth generate/verify */
 324         sess->auth.operation = xform->auth.op;
 325         sess->auth.algo = xform->auth.algo;
 326
 327         /* Select auth algo */
 328         switch (xform->auth.algo) {
 329         case RTE_CRYPTO_AUTH_AES_GMAC:
 330         case RTE_CRYPTO_AUTH_AES_GCM:
 331                 /* Check additional condition for AES_GMAC/GCM */
 332                 if (sess->cipher.algo != RTE_CRYPTO_CIPHER_AES_GCM)
 333                         return -EINVAL;
 334                 sess->chain_order = OPENSSL_CHAIN_COMBINED;
 335                 break;
 336
 337         case RTE_CRYPTO_AUTH_MD5:
 338         case RTE_CRYPTO_AUTH_SHA1:
 339         case RTE_CRYPTO_AUTH_SHA224:
 340         case RTE_CRYPTO_AUTH_SHA256:
 341         case RTE_CRYPTO_AUTH_SHA384:
 342         case RTE_CRYPTO_AUTH_SHA512:
 343                 sess->auth.mode = OPENSSL_AUTH_AS_AUTH;
 344                 if (get_auth_algo(xform->auth.algo,
 345                                 &sess->auth.auth.evp_algo) != 0)
 346                         return -EINVAL;
 347                 sess->auth.auth.ctx = EVP_MD_CTX_create();
 348                 break;
 349
 350         case RTE_CRYPTO_AUTH_MD5_HMAC:
 351         case RTE_CRYPTO_AUTH_SHA1_HMAC:
 352         case RTE_CRYPTO_AUTH_SHA224_HMAC:
 353         case RTE_CRYPTO_AUTH_SHA256_HMAC:
 354         case RTE_CRYPTO_AUTH_SHA384_HMAC:
 355         case RTE_CRYPTO_AUTH_SHA512_HMAC:
 356                 sess->auth.mode = OPENSSL_AUTH_AS_HMAC;
 357                 sess->auth.hmac.ctx = EVP_MD_CTX_create();
 358                 if (get_auth_algo(xform->auth.algo,
 359                                 &sess->auth.hmac.evp_algo) != 0)
 360                         return -EINVAL;
 361                 sess->auth.hmac.pkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL,
 362                                 xform->auth.key.data, xform->auth.key.length);
 363                 break;
 364
 365         default:
 366                 return -EINVAL;
 367         }
 368
 369         return 0;
 370 }
 371
 372 /** Parse crypto xform chain and set private session parameters */
 373 int
 374 openssl_set_session_parameters(struct openssl_session *sess,
 375                 const struct rte_crypto_sym_xform *xform)
 376 {
 377         const struct rte_crypto_sym_xform *cipher_xform = NULL;
 378         const struct rte_crypto_sym_xform *auth_xform = NULL;
 379
 380         sess->chain_order = openssl_get_chain_order(xform);
 381         switch (sess->chain_order) {
 382         case OPENSSL_CHAIN_ONLY_CIPHER:
 383                 cipher_xform = xform;
 384                 break;
 385         case OPENSSL_CHAIN_ONLY_AUTH:
 386                 auth_xform = xform;
 387                 break;
 388         case OPENSSL_CHAIN_CIPHER_AUTH:
 389                 cipher_xform = xform;
 390                 auth_xform = xform->next;
 391                 break;
 392         case OPENSSL_CHAIN_AUTH_CIPHER:
 393                 auth_xform = xform;
 394                 cipher_xform = xform->next;
 395                 break;
 396         default:
 397                 return -EINVAL;
 398         }
 399
 400         /* cipher_xform must be check before auth_xform */
 401         if (cipher_xform) {
 402                 if (openssl_set_session_cipher_parameters(
 403                                 sess, cipher_xform)) {
 404                         OPENSSL_LOG_ERR(
 405                                 "Invalid/unsupported cipher parameters");
 406                         return -EINVAL;
 407                 }
 408         }
 409
 410         if (auth_xform) {
 411                 if (openssl_set_session_auth_parameters(sess, auth_xform)) {
 412                         OPENSSL_LOG_ERR(
 413                                 "Invalid/unsupported auth parameters");
 414                         return -EINVAL;
 415                 }
 416         }
 417
 418         return 0;
 419 }
 420
 421 /** Reset private session parameters */
 422 void
 423 openssl_reset_session(struct openssl_session *sess)
 424 {
 425         EVP_CIPHER_CTX_free(sess->cipher.ctx);
 426
 427         if (sess->chain_order == OPENSSL_CHAIN_CIPHER_BPI)
 428                 EVP_CIPHER_CTX_free(sess->cipher.bpi_ctx);
 429
 430         switch (sess->auth.mode) {
 431         case OPENSSL_AUTH_AS_AUTH:
 432                 EVP_MD_CTX_destroy(sess->auth.auth.ctx);
 433                 break;
 434         case OPENSSL_AUTH_AS_HMAC:
 435                 EVP_PKEY_free(sess->auth.hmac.pkey);
 436                 EVP_MD_CTX_destroy(sess->auth.hmac.ctx);
 437                 break;
 438         default:
 439                 break;
 440         }
 441 }
 442
 443 /** Provide session for operation */
 444 static struct openssl_session *
 445 get_session(struct openssl_qp *qp, struct rte_crypto_op *op)
 446 {
 447         struct openssl_session *sess = NULL;
 448
 449         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
 450                 /* get existing session */
 451                 if (likely(op->sym->session != NULL &&
 452                                 op->sym->session->dev_type ==
 453                                 RTE_CRYPTODEV_OPENSSL_PMD))
 454                         sess = (struct openssl_session *)
 455                                 op->sym->session->_private;
 456         } else  {
 457                 /* provide internal session */
 458                 void *_sess = NULL;
 459
 460                 if (!rte_mempool_get(qp->sess_mp, (void **)&_sess)) {
 461                         sess = (struct openssl_session *)
 462                                 ((struct rte_cryptodev_sym_session *)_sess)
 463                                 ->_private;
 464
 465                         if (unlikely(openssl_set_session_parameters(
 466                                         sess, op->sym->xform) != 0)) {
 467                                 rte_mempool_put(qp->sess_mp, _sess);
 468                                 sess = NULL;
 469                         } else
 470                                 op->sym->session = _sess;
 471                 }
 472         }
 473
 474         if (sess == NULL)
 475                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 476
 477         return sess;
 478 }
 479
 480 /*
 481  *------------------------------------------------------------------------------
 482  * Process Operations
 483  *------------------------------------------------------------------------------
 484  */
 485 static inline int
 486 process_openssl_encryption_update(struct rte_mbuf *mbuf_src, int offset,
 487                 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
 488 {
 489         struct rte_mbuf *m;
 490         int dstlen;
 491         int l, n = srclen;
 492         uint8_t *src;
 493
 494         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 495                         m = m->next)
 496                 offset -= rte_pktmbuf_data_len(m);
 497
 498         if (m == 0)
 499                 return -1;
 500
 501         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 502
 503         l = rte_pktmbuf_data_len(m) - offset;
 504         if (srclen <= l) {
 505                 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
 506                         return -1;
 507                 *dst += l;
 508                 return 0;
 509         }
 510
 511         if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 512                 return -1;
 513
 514         *dst += dstlen;
 515         n -= l;
 516
 517         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 518                 src = rte_pktmbuf_mtod(m, uint8_t *);
 519                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 520                 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 521                         return -1;
 522                 *dst += dstlen;
 523                 n -= l;
 524         }
 525
 526         return 0;
 527 }
 528
 529 static inline int
 530 process_openssl_decryption_update(struct rte_mbuf *mbuf_src, int offset,
 531                 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
 532 {
 533         struct rte_mbuf *m;
 534         int dstlen;
 535         int l, n = srclen;
 536         uint8_t *src;
 537
 538         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 539                         m = m->next)
 540                 offset -= rte_pktmbuf_data_len(m);
 541
 542         if (m == 0)
 543                 return -1;
 544
 545         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 546
 547         l = rte_pktmbuf_data_len(m) - offset;
 548         if (srclen <= l) {
 549                 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
 550                         return -1;
 551                 *dst += l;
 552                 return 0;
 553         }
 554
 555         if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 556                 return -1;
 557
 558         *dst += dstlen;
 559         n -= l;
 560
 561         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 562                 src = rte_pktmbuf_mtod(m, uint8_t *);
 563                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 564                 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
 565                         return -1;
 566                 *dst += dstlen;
 567                 n -= l;
 568         }
 569
 570         return 0;
 571 }
 572
 573 /** Process standard openssl cipher encryption */
 574 static int
 575 process_openssl_cipher_encrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
 576                 int offset, uint8_t *iv, uint8_t *key, int srclen,
 577                 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
 578 {
 579         int totlen;
 580
 581         if (EVP_EncryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
 582                 goto process_cipher_encrypt_err;
 583
 584         EVP_CIPHER_CTX_set_padding(ctx, 0);
 585
 586         if (process_openssl_encryption_update(mbuf_src, offset, &dst,
 587                         srclen, ctx))
 588                 goto process_cipher_encrypt_err;
 589
 590         if (EVP_EncryptFinal_ex(ctx, dst, &totlen) <= 0)
 591                 goto process_cipher_encrypt_err;
 592
 593         return 0;
 594
 595 process_cipher_encrypt_err:
 596         OPENSSL_LOG_ERR("Process openssl cipher encrypt failed");
 597         return -EINVAL;
 598 }
 599
 600 /** Process standard openssl cipher encryption */
 601 static int
 602 process_openssl_cipher_bpi_encrypt(uint8_t *src, uint8_t *dst,
 603                 uint8_t *iv, int srclen,
 604                 EVP_CIPHER_CTX *ctx)
 605 {
 606         uint8_t i;
 607         uint8_t encrypted_iv[DES_BLOCK_SIZE];
 608         int encrypted_ivlen;
 609
 610         if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen,
 611                         iv, DES_BLOCK_SIZE) <= 0)
 612                 goto process_cipher_encrypt_err;
 613
 614         for (i = 0; i < srclen; i++)
 615                 *(dst + i) = *(src + i) ^ (encrypted_iv[i]);
 616
 617         return 0;
 618
 619 process_cipher_encrypt_err:
 620         OPENSSL_LOG_ERR("Process openssl cipher bpi encrypt failed");
 621         return -EINVAL;
 622 }
 623 /** Process standard openssl cipher decryption */
 624 static int
 625 process_openssl_cipher_decrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
 626                 int offset, uint8_t *iv, uint8_t *key, int srclen,
 627                 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
 628 {
 629         int totlen;
 630
 631         if (EVP_DecryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
 632                 goto process_cipher_decrypt_err;
 633
 634         EVP_CIPHER_CTX_set_padding(ctx, 0);
 635
 636         if (process_openssl_decryption_update(mbuf_src, offset, &dst,
 637                         srclen, ctx))
 638                 goto process_cipher_decrypt_err;
 639
 640         if (EVP_DecryptFinal_ex(ctx, dst, &totlen) <= 0)
 641                 goto process_cipher_decrypt_err;
 642         return 0;
 643
 644 process_cipher_decrypt_err:
 645         OPENSSL_LOG_ERR("Process openssl cipher decrypt failed");
 646         return -EINVAL;
 647 }
 648
 649 /** Process cipher des 3 ctr encryption, decryption algorithm */
 650 static int
 651 process_openssl_cipher_des3ctr(struct rte_mbuf *mbuf_src, uint8_t *dst,
 652                 int offset, uint8_t *iv, uint8_t *key, int srclen,
 653                 EVP_CIPHER_CTX *ctx)
 654 {
 655         uint8_t ebuf[8], ctr[8];
 656         int unused, n;
 657         struct rte_mbuf *m;
 658         uint8_t *src;
 659         int l;
 660
 661         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 662                         m = m->next)
 663                 offset -= rte_pktmbuf_data_len(m);
 664
 665         if (m == 0)
 666                 goto process_cipher_des3ctr_err;
 667
 668         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 669         l = rte_pktmbuf_data_len(m) - offset;
 670
 671         /* We use 3DES encryption also for decryption.
 672          * IV is not important for 3DES ecb
 673          */
 674         if (EVP_EncryptInit_ex(ctx, EVP_des_ede3_ecb(), NULL, key, NULL) <= 0)
 675                 goto process_cipher_des3ctr_err;
 676
 677         memcpy(ctr, iv, 8);
 678
 679         for (n = 0; n < srclen; n++) {
 680                 if (n % 8 == 0) {
 681                         if (EVP_EncryptUpdate(ctx,
 682                                         (unsigned char *)&ebuf, &unused,
 683                                         (const unsigned char *)&ctr, 8) <= 0)
 684                                 goto process_cipher_des3ctr_err;
 685                         ctr_inc(ctr);
 686                 }
 687                 dst[n] = *(src++) ^ ebuf[n % 8];
 688
 689                 l--;
 690                 if (!l) {
 691                         m = m->next;
 692                         if (m) {
 693                                 src = rte_pktmbuf_mtod(m, uint8_t *);
 694                                 l = rte_pktmbuf_data_len(m);
 695                         }
 696                 }
 697         }
 698
 699         return 0;
 700
 701 process_cipher_des3ctr_err:
 702         OPENSSL_LOG_ERR("Process openssl cipher des 3 ede ctr failed");
 703         return -EINVAL;
 704 }
 705
 706 /** Process auth/encription aes-gcm algorithm */
 707 static int
 708 process_openssl_auth_encryption_gcm(struct rte_mbuf *mbuf_src, int offset,
 709                 int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
 710                 uint8_t *key, uint8_t *dst, uint8_t *tag,
 711                 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
 712 {
 713         int len = 0, unused = 0;
 714         uint8_t empty[] = {};
 715
 716         if (EVP_EncryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0)
 717                 goto process_auth_encryption_gcm_err;
 718
 719         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0)
 720                 goto process_auth_encryption_gcm_err;
 721
 722         if (EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
 723                 goto process_auth_encryption_gcm_err;
 724
 725         if (aadlen > 0)
 726                 if (EVP_EncryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
 727                         goto process_auth_encryption_gcm_err;
 728
 729         if (srclen > 0)
 730                 if (process_openssl_encryption_update(mbuf_src, offset, &dst,
 731                                 srclen, ctx))
 732                         goto process_auth_encryption_gcm_err;
 733
 734         /* Workaround open ssl bug in version less then 1.0.1f */
 735         if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
 736                 goto process_auth_encryption_gcm_err;
 737
 738         if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
 739                 goto process_auth_encryption_gcm_err;
 740
 741         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag) <= 0)
 742                 goto process_auth_encryption_gcm_err;
 743
 744         return 0;
 745
 746 process_auth_encryption_gcm_err:
 747         OPENSSL_LOG_ERR("Process openssl auth encryption gcm failed");
 748         return -EINVAL;
 749 }
 750
 751 static int
 752 process_openssl_auth_decryption_gcm(struct rte_mbuf *mbuf_src, int offset,
 753                 int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
 754                 uint8_t *key, uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx,
 755                 const EVP_CIPHER *algo)
 756 {
 757         int len = 0, unused = 0;
 758         uint8_t empty[] = {};
 759
 760         if (EVP_DecryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0)
 761                 goto process_auth_decryption_gcm_err;
 762
 763         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0)
 764                 goto process_auth_decryption_gcm_err;
 765
 766         if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, 16, tag) <= 0)
 767                 goto process_auth_decryption_gcm_err;
 768
 769         if (EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
 770                 goto process_auth_decryption_gcm_err;
 771
 772         if (aadlen > 0)
 773                 if (EVP_DecryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
 774                         goto process_auth_decryption_gcm_err;
 775
 776         if (srclen > 0)
 777                 if (process_openssl_decryption_update(mbuf_src, offset, &dst,
 778                                 srclen, ctx))
 779                         goto process_auth_decryption_gcm_err;
 780
 781         /* Workaround open ssl bug in version less then 1.0.1f */
 782         if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
 783                 goto process_auth_decryption_gcm_err;
 784
 785         if (EVP_DecryptFinal_ex(ctx, dst, &len) <= 0)
 786                 goto process_auth_decryption_gcm_final_err;
 787
 788         return 0;
 789
 790 process_auth_decryption_gcm_err:
 791         OPENSSL_LOG_ERR("Process openssl auth description gcm failed");
 792         return -EINVAL;
 793
 794 process_auth_decryption_gcm_final_err:
 795         return -EFAULT;
 796 }
 797
 798 /** Process standard openssl auth algorithms */
 799 static int
 800 process_openssl_auth(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
 801                 __rte_unused uint8_t *iv, __rte_unused EVP_PKEY * pkey,
 802                 int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
 803 {
 804         size_t dstlen;
 805         struct rte_mbuf *m;
 806         int l, n = srclen;
 807         uint8_t *src;
 808
 809         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 810                         m = m->next)
 811                 offset -= rte_pktmbuf_data_len(m);
 812
 813         if (m == 0)
 814                 goto process_auth_err;
 815
 816         if (EVP_DigestInit_ex(ctx, algo, NULL) <= 0)
 817                 goto process_auth_err;
 818
 819         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 820
 821         l = rte_pktmbuf_data_len(m) - offset;
 822         if (srclen <= l) {
 823                 if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0)
 824                         goto process_auth_err;
 825                 goto process_auth_final;
 826         }
 827
 828         if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
 829                 goto process_auth_err;
 830
 831         n -= l;
 832
 833         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 834                 src = rte_pktmbuf_mtod(m, uint8_t *);
 835                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 836                 if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
 837                         goto process_auth_err;
 838                 n -= l;
 839         }
 840
 841 process_auth_final:
 842         if (EVP_DigestFinal_ex(ctx, dst, (unsigned int *)&dstlen) <= 0)
 843                 goto process_auth_err;
 844         return 0;
 845
 846 process_auth_err:
 847         OPENSSL_LOG_ERR("Process openssl auth failed");
 848         return -EINVAL;
 849 }
 850
 851 /** Process standard openssl auth algorithms with hmac */
 852 static int
 853 process_openssl_auth_hmac(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
 854                 __rte_unused uint8_t *iv, EVP_PKEY *pkey,
 855                 int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
 856 {
 857         size_t dstlen;
 858         struct rte_mbuf *m;
 859         int l, n = srclen;
 860         uint8_t *src;
 861
 862         for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
 863                         m = m->next)
 864                 offset -= rte_pktmbuf_data_len(m);
 865
 866         if (m == 0)
 867                 goto process_auth_err;
 868
 869         if (EVP_DigestSignInit(ctx, NULL, algo, NULL, pkey) <= 0)
 870                 goto process_auth_err;
 871
 872         src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
 873
 874         l = rte_pktmbuf_data_len(m) - offset;
 875         if (srclen <= l) {
 876                 if (EVP_DigestSignUpdate(ctx, (char *)src, srclen) <= 0)
 877                         goto process_auth_err;
 878                 goto process_auth_final;
 879         }
 880
 881         if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0)
 882                 goto process_auth_err;
 883
 884         n -= l;
 885
 886         for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
 887                 src = rte_pktmbuf_mtod(m, uint8_t *);
 888                 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
 889                 if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0)
 890                         goto process_auth_err;
 891                 n -= l;
 892         }
 893
 894 process_auth_final:
 895         if (EVP_DigestSignFinal(ctx, dst, &dstlen) <= 0)
 896                 goto process_auth_err;
 897
 898         return 0;
 899
 900 process_auth_err:
 901         OPENSSL_LOG_ERR("Process openssl auth failed");
 902         return -EINVAL;
 903 }
 904
 905 /*----------------------------------------------------------------------------*/
 906
 907 /** Process auth/cipher combined operation */
 908 static void
 909 process_openssl_combined_op
 910                 (struct rte_crypto_op *op, struct openssl_session *sess,
 911                 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
 912 {
 913         /* cipher */
 914         uint8_t *dst = NULL, *iv, *tag, *aad;
 915         int srclen, ivlen, aadlen, status = -1;
 916
 917         /*
 918          * Segmented destination buffer is not supported for
 919          * encryption/decryption
 920          */
 921         if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
 922                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 923                 return;
 924         }
 925
 926         iv = op->sym->cipher.iv.data;
 927         ivlen = op->sym->cipher.iv.length;
 928         aad = op->sym->auth.aad.data;
 929         aadlen = op->sym->auth.aad.length;
 930
 931         tag = op->sym->auth.digest.data;
 932         if (tag == NULL)
 933                 tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
 934                                 op->sym->cipher.data.offset +
 935                                 op->sym->cipher.data.length);
 936
 937         if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
 938                 srclen = 0;
 939         else {
 940                 srclen = op->sym->cipher.data.length;
 941                 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
 942                                 op->sym->cipher.data.offset);
 943         }
 944
 945         if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 946                 status = process_openssl_auth_encryption_gcm(
 947                                 mbuf_src, op->sym->cipher.data.offset, srclen,
 948                                 aad, aadlen, iv, ivlen, sess->cipher.key.data,
 949                                 dst, tag, sess->cipher.ctx,
 950                                 sess->cipher.evp_algo);
 951         else
 952                 status = process_openssl_auth_decryption_gcm(
 953                                 mbuf_src, op->sym->cipher.data.offset, srclen,
 954                                 aad, aadlen, iv, ivlen, sess->cipher.key.data,
 955                                 dst, tag, sess->cipher.ctx,
 956                                 sess->cipher.evp_algo);
 957
 958         if (status != 0) {
 959                 if (status == (-EFAULT) &&
 960                                 sess->auth.operation ==
 961                                                 RTE_CRYPTO_AUTH_OP_VERIFY)
 962                         op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 963                 else
 964                         op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 965         }
 966 }
 967
 968 /** Process cipher operation */
 969 static void
 970 process_openssl_cipher_op
 971                 (struct rte_crypto_op *op, struct openssl_session *sess,
 972                 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
 973 {
 974         uint8_t *dst, *iv;
 975         int srclen, status;
 976
 977         /*
 978          * Segmented destination buffer is not supported for
 979          * encryption/decryption
 980          */
 981         if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
 982                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 983                 return;
 984         }
 985
 986         srclen = op->sym->cipher.data.length;
 987         dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
 988                         op->sym->cipher.data.offset);
 989
 990         iv = op->sym->cipher.iv.data;
 991
 992         if (sess->cipher.mode == OPENSSL_CIPHER_LIB)
 993                 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 994                         status = process_openssl_cipher_encrypt(mbuf_src, dst,
 995                                         op->sym->cipher.data.offset, iv,
 996                                         sess->cipher.key.data, srclen,
 997                                         sess->cipher.ctx,
 998                                         sess->cipher.evp_algo);
 999                 else
1000                         status = process_openssl_cipher_decrypt(mbuf_src, dst,
1001                                         op->sym->cipher.data.offset, iv,
1002                                         sess->cipher.key.data, srclen,
1003                                         sess->cipher.ctx,
1004                                         sess->cipher.evp_algo);
1005         else
1006                 status = process_openssl_cipher_des3ctr(mbuf_src, dst,
1007                                 op->sym->cipher.data.offset, iv,
1008                                 sess->cipher.key.data, srclen,
1009                                 sess->cipher.ctx);
1010
1011         if (status != 0)
1012                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1013 }
1014
1015 /** Process cipher operation */
1016 static void
1017 process_openssl_docsis_bpi_op(struct rte_crypto_op *op,
1018                 struct openssl_session *sess, struct rte_mbuf *mbuf_src,
1019                 struct rte_mbuf *mbuf_dst)
1020 {
1021         uint8_t *src, *dst, *iv;
1022         uint8_t block_size, last_block_len;
1023         int srclen, status = 0;
1024
1025         srclen = op->sym->cipher.data.length;
1026         src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
1027                         op->sym->cipher.data.offset);
1028         dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1029                         op->sym->cipher.data.offset);
1030
1031         iv = op->sym->cipher.iv.data;
1032
1033         block_size = DES_BLOCK_SIZE;
1034
1035         last_block_len = srclen % block_size;
1036         if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
1037                 /* Encrypt only with ECB mode XOR IV */
1038                 if (srclen < block_size) {
1039                         status = process_openssl_cipher_bpi_encrypt(src, dst,
1040                                         iv, srclen,
1041                                         sess->cipher.bpi_ctx);
1042                 } else {
1043                         srclen -= last_block_len;
1044                         /* Encrypt with the block aligned stream with CBC mode */
1045                         status = process_openssl_cipher_encrypt(mbuf_src, dst,
1046                                         op->sym->cipher.data.offset, iv,
1047                                         sess->cipher.key.data, srclen,
1048                                         sess->cipher.ctx, sess->cipher.evp_algo);
1049                         if (last_block_len) {
1050                                 /* Point at last block */
1051                                 dst += srclen;
1052                                 /*
1053                                  * IV is the last encrypted block from
1054                                  * the previous operation
1055                                  */
1056                                 iv = dst - block_size;
1057                                 src += srclen;
1058                                 srclen = last_block_len;
1059                                 /* Encrypt the last frame with ECB mode */
1060                                 status |= process_openssl_cipher_bpi_encrypt(src,
1061                                                 dst, iv,
1062                                                 srclen, sess->cipher.bpi_ctx);
1063                         }
1064                 }
1065         } else {
1066                 /* Decrypt only with ECB mode (encrypt, as it is same operation) */
1067                 if (srclen < block_size) {
1068                         status = process_openssl_cipher_bpi_encrypt(src, dst,
1069                                         iv,
1070                                         srclen,
1071                                         sess->cipher.bpi_ctx);
1072                 } else {
1073                         if (last_block_len) {
1074                                 /* Point at last block */
1075                                 dst += srclen - last_block_len;
1076                                 src += srclen - last_block_len;
1077                                 /*
1078                                  * IV is the last full block
1079                                  */
1080                                 iv = src - block_size;
1081                                 /*
1082                                  * Decrypt the last frame with ECB mode
1083                                  * (encrypt, as it is the same operation)
1084                                  */
1085                                 status = process_openssl_cipher_bpi_encrypt(src,
1086                                                 dst, iv,
1087                                                 last_block_len, sess->cipher.bpi_ctx);
1088                                 /* Prepare parameters for CBC mode op */
1089                                 iv = op->sym->cipher.iv.data;
1090                                 dst += last_block_len - srclen;
1091                                 srclen -= last_block_len;
1092                         }
1093
1094                         /* Decrypt with CBC mode */
1095                         status |= process_openssl_cipher_decrypt(mbuf_src, dst,
1096                                         op->sym->cipher.data.offset, iv,
1097                                         sess->cipher.key.data, srclen,
1098                                         sess->cipher.ctx,
1099                                         sess->cipher.evp_algo);
1100                 }
1101         }
1102
1103         if (status != 0)
1104                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1105 }
1106
1107 /** Process auth operation */
1108 static void
1109 process_openssl_auth_op
1110                 (struct rte_crypto_op *op, struct openssl_session *sess,
1111                 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
1112 {
1113         uint8_t *dst;
1114         int srclen, status;
1115
1116         srclen = op->sym->auth.data.length;
1117
1118         if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY)
1119                 dst = (uint8_t *)rte_pktmbuf_append(mbuf_src,
1120                                 op->sym->auth.digest.length);
1121         else {
1122                 dst = op->sym->auth.digest.data;
1123                 if (dst == NULL)
1124                         dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
1125                                         op->sym->auth.data.offset +
1126                                         op->sym->auth.data.length);
1127         }
1128
1129         switch (sess->auth.mode) {
1130         case OPENSSL_AUTH_AS_AUTH:
1131                 status = process_openssl_auth(mbuf_src, dst,
1132                                 op->sym->auth.data.offset, NULL, NULL, srclen,
1133                                 sess->auth.auth.ctx, sess->auth.auth.evp_algo);
1134                 break;
1135         case OPENSSL_AUTH_AS_HMAC:
1136                 status = process_openssl_auth_hmac(mbuf_src, dst,
1137                                 op->sym->auth.data.offset, NULL,
1138                                 sess->auth.hmac.pkey, srclen,
1139                                 sess->auth.hmac.ctx, sess->auth.hmac.evp_algo);
1140                 break;
1141         default:
1142                 status = -1;
1143                 break;
1144         }
1145
1146         if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
1147                 if (memcmp(dst, op->sym->auth.digest.data,
1148                                 op->sym->auth.digest.length) != 0) {
1149                         op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
1150                 }
1151                 /* Trim area used for digest from mbuf. */
1152                 rte_pktmbuf_trim(mbuf_src, op->sym->auth.digest.length);
1153         }
1154
1155         if (status != 0)
1156                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1157 }
1158
1159 /** Process crypto operation for mbuf */
1160 static int
1161 process_op(const struct openssl_qp *qp, struct rte_crypto_op *op,
1162                 struct openssl_session *sess)
1163 {
1164         struct rte_mbuf *msrc, *mdst;
1165         int retval;
1166
1167         msrc = op->sym->m_src;
1168         mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
1169
1170         op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
1171
1172         switch (sess->chain_order) {
1173         case OPENSSL_CHAIN_ONLY_CIPHER:
1174                 process_openssl_cipher_op(op, sess, msrc, mdst);
1175                 break;
1176         case OPENSSL_CHAIN_ONLY_AUTH:
1177                 process_openssl_auth_op(op, sess, msrc, mdst);
1178                 break;
1179         case OPENSSL_CHAIN_CIPHER_AUTH:
1180                 process_openssl_cipher_op(op, sess, msrc, mdst);
1181                 process_openssl_auth_op(op, sess, mdst, mdst);
1182                 break;
1183         case OPENSSL_CHAIN_AUTH_CIPHER:
1184                 process_openssl_auth_op(op, sess, msrc, mdst);
1185                 process_openssl_cipher_op(op, sess, msrc, mdst);
1186                 break;
1187         case OPENSSL_CHAIN_COMBINED:
1188                 process_openssl_combined_op(op, sess, msrc, mdst);
1189                 break;
1190         case OPENSSL_CHAIN_CIPHER_BPI:
1191                 process_openssl_docsis_bpi_op(op, sess, msrc, mdst);
1192                 break;
1193         default:
1194                 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
1195                 break;
1196         }
1197
1198         /* Free session if a session-less crypto op */
1199         if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
1200                 openssl_reset_session(sess);
1201                 memset(sess, 0, sizeof(struct openssl_session));
1202                 rte_mempool_put(qp->sess_mp, op->sym->session);
1203                 op->sym->session = NULL;
1204         }
1205
1206         if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
1207                 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
1208
1209         if (op->status != RTE_CRYPTO_OP_STATUS_ERROR)
1210                 retval = rte_ring_enqueue(qp->processed_ops, (void *)op);
1211         else
1212                 retval = -1;
1213
1214         return retval;
1215 }
1216
1217 /*
1218  *------------------------------------------------------------------------------
1219  * PMD Framework
1220  *------------------------------------------------------------------------------
1221  */
1222
1223 /** Enqueue burst */
1224 static uint16_t
1225 openssl_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
1226                 uint16_t nb_ops)
1227 {
1228         struct openssl_session *sess;
1229         struct openssl_qp *qp = queue_pair;
1230         int i, retval;
1231
1232         for (i = 0; i < nb_ops; i++) {
1233                 sess = get_session(qp, ops[i]);
1234                 if (unlikely(sess == NULL))
1235                         goto enqueue_err;
1236
1237                 retval = process_op(qp, ops[i], sess);
1238                 if (unlikely(retval < 0))
1239                         goto enqueue_err;
1240         }
1241
1242         qp->stats.enqueued_count += i;
1243         return i;
1244
1245 enqueue_err:
1246         qp->stats.enqueue_err_count++;
1247         return i;
1248 }
1249
1250 /** Dequeue burst */
1251 static uint16_t
1252 openssl_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
1253                 uint16_t nb_ops)
1254 {
1255         struct openssl_qp *qp = queue_pair;
1256
1257         unsigned int nb_dequeued = 0;
1258
1259         nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
1260                         (void **)ops, nb_ops, NULL);
1261         qp->stats.dequeued_count += nb_dequeued;
1262
1263         return nb_dequeued;
1264 }
1265
1266 /** Create OPENSSL crypto device */
1267 static int
1268 cryptodev_openssl_create(const char *name,
1269                         struct rte_vdev_device *vdev,
1270                         struct rte_crypto_vdev_init_params *init_params)
1271 {
1272         struct rte_cryptodev *dev;
1273         struct openssl_private *internals;
1274
1275         if (init_params->name[0] == '\0')
1276                 snprintf(init_params->name, sizeof(init_params->name),
1277                                 "%s", name);
1278
1279         dev = rte_cryptodev_vdev_pmd_init(init_params->name,
1280                         sizeof(struct openssl_private),
1281                         init_params->socket_id,
1282                         vdev);
1283         if (dev == NULL) {
1284                 OPENSSL_LOG_ERR("failed to create cryptodev vdev");
1285                 goto init_error;
1286         }
1287
1288         dev->dev_type = RTE_CRYPTODEV_OPENSSL_PMD;
1289         dev->dev_ops = rte_openssl_pmd_ops;
1290
1291         /* register rx/tx burst functions for data path */
1292         dev->dequeue_burst = openssl_pmd_dequeue_burst;
1293         dev->enqueue_burst = openssl_pmd_enqueue_burst;
1294
1295         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
1296                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
1297                         RTE_CRYPTODEV_FF_CPU_AESNI |
1298                         RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
1299
1300         /* Set vector instructions mode supported */
1301         internals = dev->data->dev_private;
1302
1303         internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
1304         internals->max_nb_sessions = init_params->max_nb_sessions;
1305
1306         return 0;
1307
1308 init_error:
1309         OPENSSL_LOG_ERR("driver %s: cryptodev_openssl_create failed",
1310                         init_params->name);
1311
1312         cryptodev_openssl_remove(vdev);
1313         return -EFAULT;
1314 }
1315
1316 /** Initialise OPENSSL crypto device */
1317 static int
1318 cryptodev_openssl_probe(struct rte_vdev_device *vdev)
1319 {
1320         struct rte_crypto_vdev_init_params init_params = {
1321                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
1322                 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
1323                 rte_socket_id(),
1324                 {0}
1325         };
1326         const char *name;
1327         const char *input_args;
1328
1329         name = rte_vdev_device_name(vdev);
1330         if (name == NULL)
1331                 return -EINVAL;
1332         input_args = rte_vdev_device_args(vdev);
1333
1334         rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
1335
1336         RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
1337                         init_params.socket_id);
1338         if (init_params.name[0] != '\0')
1339                 RTE_LOG(INFO, PMD, "  User defined name = %s\n",
1340                         init_params.name);
1341         RTE_LOG(INFO, PMD, "  Max number of queue pairs = %d\n",
1342                         init_params.max_nb_queue_pairs);
1343         RTE_LOG(INFO, PMD, "  Max number of sessions = %d\n",
1344                         init_params.max_nb_sessions);
1345
1346         return cryptodev_openssl_create(name, vdev, &init_params);
1347 }
1348
1349 /** Uninitialise OPENSSL crypto device */
1350 static int
1351 cryptodev_openssl_remove(struct rte_vdev_device *vdev)
1352 {
1353         const char *name;
1354
1355         name = rte_vdev_device_name(vdev);
1356         if (name == NULL)
1357                 return -EINVAL;
1358
1359         RTE_LOG(INFO, PMD,
1360                 "Closing OPENSSL crypto device %s on numa socket %u\n",
1361                 name, rte_socket_id());
1362
1363         return 0;
1364 }
1365
1366 static struct rte_vdev_driver cryptodev_openssl_pmd_drv = {
1367         .probe = cryptodev_openssl_probe,
1368         .remove = cryptodev_openssl_remove
1369 };
1370
1371 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_OPENSSL_PMD,
1372         cryptodev_openssl_pmd_drv);
1373 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD,
1374         "max_nb_queue_pairs=<int> "
1375         "max_nb_sessions=<int> "
1376         "socket_id=<int>");