drivers/crypto/aesni_mb/rte_aesni_mb_pmd.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2015-2017 Intel Corporation
   3  */
   4
   5 #include <intel-ipsec-mb.h>
   6
   7 #include <rte_common.h>
   8 #include <rte_hexdump.h>
   9 #include <rte_cryptodev.h>
  10 #include <rte_cryptodev_pmd.h>
  11 #include <rte_bus_vdev.h>
  12 #include <rte_malloc.h>
  13 #include <rte_cpuflags.h>
  14
  15 #include "rte_aesni_mb_pmd_private.h"
  16
  17 #define AES_CCM_DIGEST_MIN_LEN 4
  18 #define AES_CCM_DIGEST_MAX_LEN 16
  19 #define HMAC_MAX_BLOCK_SIZE 128
  20 static uint8_t cryptodev_driver_id;
  21
  22 typedef void (*hash_one_block_t)(const void *data, void *digest);
  23 typedef void (*aes_keyexp_t)(const void *key, void *enc_exp_keys, void *dec_exp_keys);
  24
  25 /**
  26  * Calculate the authentication pre-computes
  27  *
  28  * @param one_block_hash        Function pointer to calculate digest on ipad/opad
  29  * @param ipad                  Inner pad output byte array
  30  * @param opad                  Outer pad output byte array
  31  * @param hkey                  Authentication key
  32  * @param hkey_len              Authentication key length
  33  * @param blocksize             Block size of selected hash algo
  34  */
  35 static void
  36 calculate_auth_precomputes(hash_one_block_t one_block_hash,
  37                 uint8_t *ipad, uint8_t *opad,
  38                 uint8_t *hkey, uint16_t hkey_len,
  39                 uint16_t blocksize)
  40 {
  41         unsigned i, length;
  42
  43         uint8_t ipad_buf[blocksize] __rte_aligned(16);
  44         uint8_t opad_buf[blocksize] __rte_aligned(16);
  45
  46         /* Setup inner and outer pads */
  47         memset(ipad_buf, HMAC_IPAD_VALUE, blocksize);
  48         memset(opad_buf, HMAC_OPAD_VALUE, blocksize);
  49
  50         /* XOR hash key with inner and outer pads */
  51         length = hkey_len > blocksize ? blocksize : hkey_len;
  52
  53         for (i = 0; i < length; i++) {
  54                 ipad_buf[i] ^= hkey[i];
  55                 opad_buf[i] ^= hkey[i];
  56         }
  57
  58         /* Compute partial hashes */
  59         (*one_block_hash)(ipad_buf, ipad);
  60         (*one_block_hash)(opad_buf, opad);
  61
  62         /* Clean up stack */
  63         memset(ipad_buf, 0, blocksize);
  64         memset(opad_buf, 0, blocksize);
  65 }
  66
  67 /** Get xform chain order */
  68 static enum aesni_mb_operation
  69 aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
  70 {
  71         if (xform == NULL)
  72                 return AESNI_MB_OP_NOT_SUPPORTED;
  73
  74         if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
  75                 if (xform->next == NULL)
  76                         return AESNI_MB_OP_CIPHER_ONLY;
  77                 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
  78                         return AESNI_MB_OP_CIPHER_HASH;
  79         }
  80
  81         if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
  82                 if (xform->next == NULL)
  83                         return AESNI_MB_OP_HASH_ONLY;
  84                 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
  85                         return AESNI_MB_OP_HASH_CIPHER;
  86         }
  87
  88         if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
  89                 if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM) {
  90                         if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
  91                                 return AESNI_MB_OP_AEAD_CIPHER_HASH;
  92                         else
  93                                 return AESNI_MB_OP_AEAD_HASH_CIPHER;
  94                 }
  95         }
  96
  97         return AESNI_MB_OP_NOT_SUPPORTED;
  98 }
  99
 100 /** Set session authentication parameters */
 101 static int
 102 aesni_mb_set_session_auth_parameters(const struct aesni_mb_op_fns *mb_ops,
 103                 struct aesni_mb_session *sess,
 104                 const struct rte_crypto_sym_xform *xform)
 105 {
 106         hash_one_block_t hash_oneblock_fn;
 107         unsigned int key_larger_block_size = 0;
 108         uint8_t hashed_key[HMAC_MAX_BLOCK_SIZE] = { 0 };
 109
 110         if (xform == NULL) {
 111                 sess->auth.algo = NULL_HASH;
 112                 return 0;
 113         }
 114
 115         if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) {
 116                 AESNI_MB_LOG(ERR, "Crypto xform struct not of type auth");
 117                 return -1;
 118         }
 119
 120         /* Set the request digest size */
 121         sess->auth.req_digest_len = xform->auth.digest_length;
 122
 123         /* Select auth generate/verify */
 124         sess->auth.operation = xform->auth.op;
 125
 126         /* Set Authentication Parameters */
 127         if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
 128                 sess->auth.algo = AES_XCBC;
 129
 130                 uint16_t xcbc_mac_digest_len =
 131                         get_truncated_digest_byte_length(AES_XCBC);
 132                 if (sess->auth.req_digest_len != xcbc_mac_digest_len) {
 133                         AESNI_MB_LOG(ERR, "Invalid digest size\n");
 134                         return -EINVAL;
 135                 }
 136                 sess->auth.gen_digest_len = sess->auth.req_digest_len;
 137                 (*mb_ops->aux.keyexp.aes_xcbc)(xform->auth.key.data,
 138                                 sess->auth.xcbc.k1_expanded,
 139                                 sess->auth.xcbc.k2, sess->auth.xcbc.k3);
 140                 return 0;
 141         }
 142
 143         if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_CMAC) {
 144                 sess->auth.algo = AES_CMAC;
 145
 146                 uint16_t cmac_digest_len = get_digest_byte_length(AES_CMAC);
 147
 148                 if (sess->auth.req_digest_len > cmac_digest_len) {
 149                         AESNI_MB_LOG(ERR, "Invalid digest size\n");
 150                         return -EINVAL;
 151                 }
 152                 /*
 153                  * Multi-buffer lib supports digest sizes from 4 to 16 bytes
 154                  * in version 0.50 and sizes of 12 and 16 bytes,
 155                  * in version 0.49.
 156                  * If size requested is different, generate the full digest
 157                  * (16 bytes) in a temporary location and then memcpy
 158                  * the requested number of bytes.
 159                  */
 160 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 161                 if (sess->auth.req_digest_len < 4)
 162 #else
 163                 uint16_t cmac_trunc_digest_len =
 164                                 get_truncated_digest_byte_length(AES_CMAC);
 165                 if (sess->auth.req_digest_len != cmac_digest_len &&
 166                                 sess->auth.req_digest_len != cmac_trunc_digest_len)
 167 #endif
 168                         sess->auth.gen_digest_len = cmac_digest_len;
 169                 else
 170                         sess->auth.gen_digest_len = sess->auth.req_digest_len;
 171                 (*mb_ops->aux.keyexp.aes_cmac_expkey)(xform->auth.key.data,
 172                                 sess->auth.cmac.expkey);
 173
 174                 (*mb_ops->aux.keyexp.aes_cmac_subkey)(sess->auth.cmac.expkey,
 175                                 sess->auth.cmac.skey1, sess->auth.cmac.skey2);
 176                 return 0;
 177         }
 178
 179         switch (xform->auth.algo) {
 180         case RTE_CRYPTO_AUTH_MD5_HMAC:
 181                 sess->auth.algo = MD5;
 182                 hash_oneblock_fn = mb_ops->aux.one_block.md5;
 183                 break;
 184         case RTE_CRYPTO_AUTH_SHA1_HMAC:
 185                 sess->auth.algo = SHA1;
 186                 hash_oneblock_fn = mb_ops->aux.one_block.sha1;
 187 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 188                 if (xform->auth.key.length > get_auth_algo_blocksize(SHA1)) {
 189                         mb_ops->aux.multi_block.sha1(
 190                                 xform->auth.key.data,
 191                                 xform->auth.key.length,
 192                                 hashed_key);
 193                         key_larger_block_size = 1;
 194                 }
 195 #endif
 196                 break;
 197         case RTE_CRYPTO_AUTH_SHA224_HMAC:
 198                 sess->auth.algo = SHA_224;
 199                 hash_oneblock_fn = mb_ops->aux.one_block.sha224;
 200 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 201                 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_224)) {
 202                         mb_ops->aux.multi_block.sha224(
 203                                 xform->auth.key.data,
 204                                 xform->auth.key.length,
 205                                 hashed_key);
 206                         key_larger_block_size = 1;
 207                 }
 208 #endif
 209                 break;
 210         case RTE_CRYPTO_AUTH_SHA256_HMAC:
 211                 sess->auth.algo = SHA_256;
 212                 hash_oneblock_fn = mb_ops->aux.one_block.sha256;
 213 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 214                 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_256)) {
 215                         mb_ops->aux.multi_block.sha256(
 216                                 xform->auth.key.data,
 217                                 xform->auth.key.length,
 218                                 hashed_key);
 219                         key_larger_block_size = 1;
 220                 }
 221 #endif
 222                 break;
 223         case RTE_CRYPTO_AUTH_SHA384_HMAC:
 224                 sess->auth.algo = SHA_384;
 225                 hash_oneblock_fn = mb_ops->aux.one_block.sha384;
 226 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 227                 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_384)) {
 228                         mb_ops->aux.multi_block.sha384(
 229                                 xform->auth.key.data,
 230                                 xform->auth.key.length,
 231                                 hashed_key);
 232                         key_larger_block_size = 1;
 233                 }
 234 #endif
 235                 break;
 236         case RTE_CRYPTO_AUTH_SHA512_HMAC:
 237                 sess->auth.algo = SHA_512;
 238                 hash_oneblock_fn = mb_ops->aux.one_block.sha512;
 239 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 240                 if (xform->auth.key.length > get_auth_algo_blocksize(SHA_512)) {
 241                         mb_ops->aux.multi_block.sha512(
 242                                 xform->auth.key.data,
 243                                 xform->auth.key.length,
 244                                 hashed_key);
 245                         key_larger_block_size = 1;
 246                 }
 247 #endif
 248                 break;
 249         default:
 250                 AESNI_MB_LOG(ERR, "Unsupported authentication algorithm selection");
 251                 return -ENOTSUP;
 252         }
 253         uint16_t trunc_digest_size =
 254                         get_truncated_digest_byte_length(sess->auth.algo);
 255         uint16_t full_digest_size =
 256                         get_digest_byte_length(sess->auth.algo);
 257
 258 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 259         if (sess->auth.req_digest_len > full_digest_size ||
 260                         sess->auth.req_digest_len == 0) {
 261 #else
 262         if (sess->auth.req_digest_len != trunc_digest_size) {
 263 #endif
 264                 AESNI_MB_LOG(ERR, "Invalid digest size\n");
 265                 return -EINVAL;
 266         }
 267
 268         if (sess->auth.req_digest_len != trunc_digest_size &&
 269                         sess->auth.req_digest_len != full_digest_size)
 270                 sess->auth.gen_digest_len = full_digest_size;
 271         else
 272                 sess->auth.gen_digest_len = sess->auth.req_digest_len;
 273
 274         /* Calculate Authentication precomputes */
 275         if (key_larger_block_size) {
 276                 calculate_auth_precomputes(hash_oneblock_fn,
 277                         sess->auth.pads.inner, sess->auth.pads.outer,
 278                         hashed_key,
 279                         xform->auth.key.length,
 280                         get_auth_algo_blocksize(sess->auth.algo));
 281         } else {
 282                 calculate_auth_precomputes(hash_oneblock_fn,
 283                         sess->auth.pads.inner, sess->auth.pads.outer,
 284                         xform->auth.key.data,
 285                         xform->auth.key.length,
 286                         get_auth_algo_blocksize(sess->auth.algo));
 287         }
 288
 289         return 0;
 290 }
 291
 292 /** Set session cipher parameters */
 293 static int
 294 aesni_mb_set_session_cipher_parameters(const struct aesni_mb_op_fns *mb_ops,
 295                 struct aesni_mb_session *sess,
 296                 const struct rte_crypto_sym_xform *xform)
 297 {
 298         uint8_t is_aes = 0;
 299         uint8_t is_3DES = 0;
 300         aes_keyexp_t aes_keyexp_fn;
 301
 302         if (xform == NULL) {
 303                 sess->cipher.mode = NULL_CIPHER;
 304                 return 0;
 305         }
 306
 307         if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) {
 308                 AESNI_MB_LOG(ERR, "Crypto xform struct not of type cipher");
 309                 return -EINVAL;
 310         }
 311
 312         /* Select cipher direction */
 313         switch (xform->cipher.op) {
 314         case RTE_CRYPTO_CIPHER_OP_ENCRYPT:
 315                 sess->cipher.direction = ENCRYPT;
 316                 break;
 317         case RTE_CRYPTO_CIPHER_OP_DECRYPT:
 318                 sess->cipher.direction = DECRYPT;
 319                 break;
 320         default:
 321                 AESNI_MB_LOG(ERR, "Invalid cipher operation parameter");
 322                 return -EINVAL;
 323         }
 324
 325         /* Select cipher mode */
 326         switch (xform->cipher.algo) {
 327         case RTE_CRYPTO_CIPHER_AES_CBC:
 328                 sess->cipher.mode = CBC;
 329                 is_aes = 1;
 330                 break;
 331         case RTE_CRYPTO_CIPHER_AES_CTR:
 332                 sess->cipher.mode = CNTR;
 333                 is_aes = 1;
 334                 break;
 335         case RTE_CRYPTO_CIPHER_AES_DOCSISBPI:
 336                 sess->cipher.mode = DOCSIS_SEC_BPI;
 337                 is_aes = 1;
 338                 break;
 339         case RTE_CRYPTO_CIPHER_DES_CBC:
 340                 sess->cipher.mode = DES;
 341                 break;
 342         case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
 343                 sess->cipher.mode = DOCSIS_DES;
 344                 break;
 345         case RTE_CRYPTO_CIPHER_3DES_CBC:
 346                 sess->cipher.mode = DES3;
 347                 is_3DES = 1;
 348                 break;
 349         default:
 350                 AESNI_MB_LOG(ERR, "Unsupported cipher mode parameter");
 351                 return -ENOTSUP;
 352         }
 353
 354         /* Set IV parameters */
 355         sess->iv.offset = xform->cipher.iv.offset;
 356         sess->iv.length = xform->cipher.iv.length;
 357
 358         /* Check key length and choose key expansion function for AES */
 359         if (is_aes) {
 360                 switch (xform->cipher.key.length) {
 361                 case AES_128_BYTES:
 362                         sess->cipher.key_length_in_bytes = AES_128_BYTES;
 363                         aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
 364                         break;
 365                 case AES_192_BYTES:
 366                         sess->cipher.key_length_in_bytes = AES_192_BYTES;
 367                         aes_keyexp_fn = mb_ops->aux.keyexp.aes192;
 368                         break;
 369                 case AES_256_BYTES:
 370                         sess->cipher.key_length_in_bytes = AES_256_BYTES;
 371                         aes_keyexp_fn = mb_ops->aux.keyexp.aes256;
 372                         break;
 373                 default:
 374                         AESNI_MB_LOG(ERR, "Invalid cipher key length");
 375                         return -EINVAL;
 376                 }
 377
 378                 /* Expanded cipher keys */
 379                 (*aes_keyexp_fn)(xform->cipher.key.data,
 380                                 sess->cipher.expanded_aes_keys.encode,
 381                                 sess->cipher.expanded_aes_keys.decode);
 382
 383         } else if (is_3DES) {
 384                 uint64_t *keys[3] = {sess->cipher.exp_3des_keys.key[0],
 385                                 sess->cipher.exp_3des_keys.key[1],
 386                                 sess->cipher.exp_3des_keys.key[2]};
 387
 388                 switch (xform->cipher.key.length) {
 389                 case  24:
 390                         des_key_schedule(keys[0], xform->cipher.key.data);
 391                         des_key_schedule(keys[1], xform->cipher.key.data+8);
 392                         des_key_schedule(keys[2], xform->cipher.key.data+16);
 393
 394                         /* Initialize keys - 24 bytes: [K1-K2-K3] */
 395                         sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
 396                         sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
 397                         sess->cipher.exp_3des_keys.ks_ptr[2] = keys[2];
 398                         break;
 399                 case 16:
 400                         des_key_schedule(keys[0], xform->cipher.key.data);
 401                         des_key_schedule(keys[1], xform->cipher.key.data+8);
 402
 403                         /* Initialize keys - 16 bytes: [K1=K1,K2=K2,K3=K1] */
 404                         sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
 405                         sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
 406                         sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
 407                         break;
 408                 case 8:
 409                         des_key_schedule(keys[0], xform->cipher.key.data);
 410
 411                         /* Initialize keys - 8 bytes: [K1 = K2 = K3] */
 412                         sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
 413                         sess->cipher.exp_3des_keys.ks_ptr[1] = keys[0];
 414                         sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
 415                         break;
 416                 default:
 417                         AESNI_MB_LOG(ERR, "Invalid cipher key length");
 418                         return -EINVAL;
 419                 }
 420
 421 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
 422                 sess->cipher.key_length_in_bytes = 24;
 423 #else
 424                 sess->cipher.key_length_in_bytes = 8;
 425 #endif
 426         } else {
 427                 if (xform->cipher.key.length != 8) {
 428                         AESNI_MB_LOG(ERR, "Invalid cipher key length");
 429                         return -EINVAL;
 430                 }
 431                 sess->cipher.key_length_in_bytes = 8;
 432
 433                 des_key_schedule((uint64_t *)sess->cipher.expanded_aes_keys.encode,
 434                                 xform->cipher.key.data);
 435                 des_key_schedule((uint64_t *)sess->cipher.expanded_aes_keys.decode,
 436                                 xform->cipher.key.data);
 437         }
 438
 439         return 0;
 440 }
 441
 442 static int
 443 aesni_mb_set_session_aead_parameters(const struct aesni_mb_op_fns *mb_ops,
 444                 struct aesni_mb_session *sess,
 445                 const struct rte_crypto_sym_xform *xform)
 446 {
 447         aes_keyexp_t aes_keyexp_fn;
 448
 449         switch (xform->aead.op) {
 450         case RTE_CRYPTO_AEAD_OP_ENCRYPT:
 451                 sess->cipher.direction = ENCRYPT;
 452                 sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE;
 453                 break;
 454         case RTE_CRYPTO_AEAD_OP_DECRYPT:
 455                 sess->cipher.direction = DECRYPT;
 456                 sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY;
 457                 break;
 458         default:
 459                 AESNI_MB_LOG(ERR, "Invalid aead operation parameter");
 460                 return -EINVAL;
 461         }
 462
 463         switch (xform->aead.algo) {
 464         case RTE_CRYPTO_AEAD_AES_CCM:
 465                 sess->cipher.mode = CCM;
 466                 sess->auth.algo = AES_CCM;
 467                 break;
 468         default:
 469                 AESNI_MB_LOG(ERR, "Unsupported aead mode parameter");
 470                 return -ENOTSUP;
 471         }
 472
 473         /* Set IV parameters */
 474         sess->iv.offset = xform->aead.iv.offset;
 475         sess->iv.length = xform->aead.iv.length;
 476
 477         sess->auth.req_digest_len = xform->aead.digest_length;
 478         /* CCM digests must be between 4 and 16 and an even number */
 479         if (sess->auth.req_digest_len < AES_CCM_DIGEST_MIN_LEN ||
 480                         sess->auth.req_digest_len > AES_CCM_DIGEST_MAX_LEN ||
 481                         (sess->auth.req_digest_len & 1) == 1) {
 482                 AESNI_MB_LOG(ERR, "Invalid digest size\n");
 483                 return -EINVAL;
 484         }
 485         sess->auth.gen_digest_len = sess->auth.req_digest_len;
 486
 487         /* Check key length and choose key expansion function for AES */
 488
 489         switch (xform->aead.key.length) {
 490         case AES_128_BYTES:
 491                 sess->cipher.key_length_in_bytes = AES_128_BYTES;
 492                 aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
 493                 break;
 494         default:
 495                 AESNI_MB_LOG(ERR, "Invalid cipher key length");
 496                 return -EINVAL;
 497         }
 498
 499         /* Expanded cipher keys */
 500         (*aes_keyexp_fn)(xform->aead.key.data,
 501                         sess->cipher.expanded_aes_keys.encode,
 502                         sess->cipher.expanded_aes_keys.decode);
 503
 504         return 0;
 505 }
 506
 507 /** Parse crypto xform chain and set private session parameters */
 508 int
 509 aesni_mb_set_session_parameters(const struct aesni_mb_op_fns *mb_ops,
 510                 struct aesni_mb_session *sess,
 511                 const struct rte_crypto_sym_xform *xform)
 512 {
 513         const struct rte_crypto_sym_xform *auth_xform = NULL;
 514         const struct rte_crypto_sym_xform *cipher_xform = NULL;
 515         const struct rte_crypto_sym_xform *aead_xform = NULL;
 516         int ret;
 517
 518         /* Select Crypto operation - hash then cipher / cipher then hash */
 519         switch (aesni_mb_get_chain_order(xform)) {
 520         case AESNI_MB_OP_HASH_CIPHER:
 521                 sess->chain_order = HASH_CIPHER;
 522                 auth_xform = xform;
 523                 cipher_xform = xform->next;
 524                 break;
 525         case AESNI_MB_OP_CIPHER_HASH:
 526                 sess->chain_order = CIPHER_HASH;
 527                 auth_xform = xform->next;
 528                 cipher_xform = xform;
 529                 break;
 530         case AESNI_MB_OP_HASH_ONLY:
 531                 sess->chain_order = HASH_CIPHER;
 532                 auth_xform = xform;
 533                 cipher_xform = NULL;
 534                 break;
 535         case AESNI_MB_OP_CIPHER_ONLY:
 536                 /*
 537                  * Multi buffer library operates only at two modes,
 538                  * CIPHER_HASH and HASH_CIPHER. When doing ciphering only,
 539                  * chain order depends on cipher operation: encryption is always
 540                  * the first operation and decryption the last one.
 541                  */
 542                 if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
 543                         sess->chain_order = CIPHER_HASH;
 544                 else
 545                         sess->chain_order = HASH_CIPHER;
 546                 auth_xform = NULL;
 547                 cipher_xform = xform;
 548                 break;
 549         case AESNI_MB_OP_AEAD_CIPHER_HASH:
 550                 sess->chain_order = CIPHER_HASH;
 551                 sess->aead.aad_len = xform->aead.aad_length;
 552                 aead_xform = xform;
 553                 break;
 554         case AESNI_MB_OP_AEAD_HASH_CIPHER:
 555                 sess->chain_order = HASH_CIPHER;
 556                 sess->aead.aad_len = xform->aead.aad_length;
 557                 aead_xform = xform;
 558                 break;
 559         case AESNI_MB_OP_NOT_SUPPORTED:
 560         default:
 561                 AESNI_MB_LOG(ERR, "Unsupported operation chain order parameter");
 562                 return -ENOTSUP;
 563         }
 564
 565         /* Default IV length = 0 */
 566         sess->iv.length = 0;
 567
 568         ret = aesni_mb_set_session_auth_parameters(mb_ops, sess, auth_xform);
 569         if (ret != 0) {
 570                 AESNI_MB_LOG(ERR, "Invalid/unsupported authentication parameters");
 571                 return ret;
 572         }
 573
 574         ret = aesni_mb_set_session_cipher_parameters(mb_ops, sess,
 575                         cipher_xform);
 576         if (ret != 0) {
 577                 AESNI_MB_LOG(ERR, "Invalid/unsupported cipher parameters");
 578                 return ret;
 579         }
 580
 581         if (aead_xform) {
 582                 ret = aesni_mb_set_session_aead_parameters(mb_ops, sess,
 583                                 aead_xform);
 584                 if (ret != 0) {
 585                         AESNI_MB_LOG(ERR, "Invalid/unsupported aead parameters");
 586                         return ret;
 587                 }
 588         }
 589
 590         return 0;
 591 }
 592
 593 /**
 594  * burst enqueue, place crypto operations on ingress queue for processing.
 595  *
 596  * @param __qp         Queue Pair to process
 597  * @param ops          Crypto operations for processing
 598  * @param nb_ops       Number of crypto operations for processing
 599  *
 600  * @return
 601  * - Number of crypto operations enqueued
 602  */
 603 static uint16_t
 604 aesni_mb_pmd_enqueue_burst(void *__qp, struct rte_crypto_op **ops,
 605                 uint16_t nb_ops)
 606 {
 607         struct aesni_mb_qp *qp = __qp;
 608
 609         unsigned int nb_enqueued;
 610
 611         nb_enqueued = rte_ring_enqueue_burst(qp->ingress_queue,
 612                         (void **)ops, nb_ops, NULL);
 613
 614         qp->stats.enqueued_count += nb_enqueued;
 615
 616         return nb_enqueued;
 617 }
 618
 619 /** Get multi buffer session */
 620 static inline struct aesni_mb_session *
 621 get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op)
 622 {
 623         struct aesni_mb_session *sess = NULL;
 624
 625         if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
 626                 if (likely(op->sym->session != NULL))
 627                         sess = (struct aesni_mb_session *)
 628                                         get_sym_session_private_data(
 629                                         op->sym->session,
 630                                         cryptodev_driver_id);
 631         } else {
 632                 void *_sess = NULL;
 633                 void *_sess_private_data = NULL;
 634
 635                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
 636                         return NULL;
 637
 638                 if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
 639                         return NULL;
 640
 641                 sess = (struct aesni_mb_session *)_sess_private_data;
 642
 643                 if (unlikely(aesni_mb_set_session_parameters(qp->op_fns,
 644                                 sess, op->sym->xform) != 0)) {
 645                         rte_mempool_put(qp->sess_mp, _sess);
 646                         rte_mempool_put(qp->sess_mp, _sess_private_data);
 647                         sess = NULL;
 648                 }
 649                 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
 650                 set_sym_session_private_data(op->sym->session,
 651                                 cryptodev_driver_id, _sess_private_data);
 652         }
 653
 654         if (unlikely(sess == NULL))
 655                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 656
 657         return sess;
 658 }
 659
 660 /**
 661  * Process a crypto operation and complete a JOB_AES_HMAC job structure for
 662  * submission to the multi buffer library for processing.
 663  *
 664  * @param       qp      queue pair
 665  * @param       job     JOB_AES_HMAC structure to fill
 666  * @param       m       mbuf to process
 667  *
 668  * @return
 669  * - Completed JOB_AES_HMAC structure pointer on success
 670  * - NULL pointer if completion of JOB_AES_HMAC structure isn't possible
 671  */
 672 static inline int
 673 set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
 674                 struct rte_crypto_op *op, uint8_t *digest_idx)
 675 {
 676         struct rte_mbuf *m_src = op->sym->m_src, *m_dst;
 677         struct aesni_mb_session *session;
 678         uint16_t m_offset = 0;
 679
 680         session = get_session(qp, op);
 681         if (session == NULL) {
 682                 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
 683                 return -1;
 684         }
 685
 686         /* Set crypto operation */
 687         job->chain_order = session->chain_order;
 688
 689         /* Set cipher parameters */
 690         job->cipher_direction = session->cipher.direction;
 691         job->cipher_mode = session->cipher.mode;
 692
 693         job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
 694
 695         if (job->cipher_mode == DES3) {
 696                 job->aes_enc_key_expanded =
 697                         session->cipher.exp_3des_keys.ks_ptr;
 698                 job->aes_dec_key_expanded =
 699                         session->cipher.exp_3des_keys.ks_ptr;
 700         } else {
 701                 job->aes_enc_key_expanded =
 702                         session->cipher.expanded_aes_keys.encode;
 703                 job->aes_dec_key_expanded =
 704                         session->cipher.expanded_aes_keys.decode;
 705         }
 706
 707
 708
 709
 710         /* Set authentication parameters */
 711         job->hash_alg = session->auth.algo;
 712         if (job->hash_alg == AES_XCBC) {
 713                 job->u.XCBC._k1_expanded = session->auth.xcbc.k1_expanded;
 714                 job->u.XCBC._k2 = session->auth.xcbc.k2;
 715                 job->u.XCBC._k3 = session->auth.xcbc.k3;
 716         } else if (job->hash_alg == AES_CCM) {
 717                 job->u.CCM.aad = op->sym->aead.aad.data + 18;
 718                 job->u.CCM.aad_len_in_bytes = session->aead.aad_len;
 719         } else if (job->hash_alg == AES_CMAC) {
 720                 job->u.CMAC._key_expanded = session->auth.cmac.expkey;
 721                 job->u.CMAC._skey1 = session->auth.cmac.skey1;
 722                 job->u.CMAC._skey2 = session->auth.cmac.skey2;
 723
 724         } else {
 725                 job->u.HMAC._hashed_auth_key_xor_ipad = session->auth.pads.inner;
 726                 job->u.HMAC._hashed_auth_key_xor_opad = session->auth.pads.outer;
 727         }
 728
 729         /* Mutable crypto operation parameters */
 730         if (op->sym->m_dst) {
 731                 m_src = m_dst = op->sym->m_dst;
 732
 733                 /* append space for output data to mbuf */
 734                 char *odata = rte_pktmbuf_append(m_dst,
 735                                 rte_pktmbuf_data_len(op->sym->m_src));
 736                 if (odata == NULL) {
 737                         AESNI_MB_LOG(ERR, "failed to allocate space in destination "
 738                                         "mbuf for source data");
 739                         op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 740                         return -1;
 741                 }
 742
 743                 memcpy(odata, rte_pktmbuf_mtod(op->sym->m_src, void*),
 744                                 rte_pktmbuf_data_len(op->sym->m_src));
 745         } else {
 746                 m_dst = m_src;
 747                 if (job->hash_alg == AES_CCM)
 748                         m_offset = op->sym->aead.data.offset;
 749                 else
 750                         m_offset = op->sym->cipher.data.offset;
 751         }
 752
 753         /* Set digest output location */
 754         if (job->hash_alg != NULL_HASH &&
 755                         session->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
 756                 job->auth_tag_output = qp->temp_digests[*digest_idx];
 757                 *digest_idx = (*digest_idx + 1) % MAX_JOBS;
 758         } else {
 759                 if (job->hash_alg == AES_CCM)
 760                         job->auth_tag_output = op->sym->aead.digest.data;
 761                 else
 762                         job->auth_tag_output = op->sym->auth.digest.data;
 763
 764                 if (session->auth.req_digest_len != session->auth.gen_digest_len) {
 765                         job->auth_tag_output = qp->temp_digests[*digest_idx];
 766                         *digest_idx = (*digest_idx + 1) % MAX_JOBS;
 767                 }
 768         }
 769
 770         /* Set digest length */
 771         job->auth_tag_output_len_in_bytes = session->auth.gen_digest_len;
 772
 773         /* Set IV parameters */
 774         job->iv_len_in_bytes = session->iv.length;
 775
 776         /* Data  Parameter */
 777         job->src = rte_pktmbuf_mtod(m_src, uint8_t *);
 778         job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *, m_offset);
 779
 780         if (job->hash_alg == AES_CCM) {
 781                 job->cipher_start_src_offset_in_bytes =
 782                                 op->sym->aead.data.offset;
 783                 job->msg_len_to_cipher_in_bytes = op->sym->aead.data.length;
 784                 job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset;
 785                 job->msg_len_to_hash_in_bytes = op->sym->aead.data.length;
 786
 787                 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
 788                         session->iv.offset + 1);
 789         } else {
 790                 job->cipher_start_src_offset_in_bytes =
 791                                 op->sym->cipher.data.offset;
 792                 job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length;
 793
 794                 job->hash_start_src_offset_in_bytes = op->sym->auth.data.offset;
 795                 job->msg_len_to_hash_in_bytes = op->sym->auth.data.length;
 796
 797                 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
 798                         session->iv.offset);
 799         }
 800
 801         /* Set user data to be crypto operation data struct */
 802         job->user_data = op;
 803
 804         return 0;
 805 }
 806
 807 static inline void
 808 verify_digest(JOB_AES_HMAC *job, struct rte_crypto_op *op,
 809                 struct aesni_mb_session *sess)
 810 {
 811         /* Verify digest if required */
 812         if (job->hash_alg == AES_CCM) {
 813                 if (memcmp(job->auth_tag_output, op->sym->aead.digest.data,
 814                                 sess->auth.req_digest_len) != 0)
 815                         op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 816         } else {
 817                 if (memcmp(job->auth_tag_output, op->sym->auth.digest.data,
 818                                 sess->auth.req_digest_len) != 0)
 819                         op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
 820         }
 821 }
 822
 823 static inline void
 824 generate_digest(JOB_AES_HMAC *job, struct rte_crypto_op *op,
 825                 struct aesni_mb_session *sess)
 826 {
 827         /* No extra copy neeed */
 828         if (likely(sess->auth.req_digest_len == sess->auth.gen_digest_len))
 829                 return;
 830
 831         /*
 832          * This can only happen for HMAC, so only digest
 833          * for authentication algos is required
 834          */
 835         memcpy(op->sym->auth.digest.data, job->auth_tag_output,
 836                         sess->auth.req_digest_len);
 837 }
 838
 839 /**
 840  * Process a completed job and return rte_mbuf which job processed
 841  *
 842  * @param qp            Queue Pair to process
 843  * @param job   JOB_AES_HMAC job to process
 844  *
 845  * @return
 846  * - Returns processed crypto operation.
 847  * - Returns NULL on invalid job
 848  */
 849 static inline struct rte_crypto_op *
 850 post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
 851 {
 852         struct rte_crypto_op *op = (struct rte_crypto_op *)job->user_data;
 853         struct aesni_mb_session *sess = get_sym_session_private_data(
 854                                                         op->sym->session,
 855                                                         cryptodev_driver_id);
 856
 857         if (likely(op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)) {
 858                 switch (job->status) {
 859                 case STS_COMPLETED:
 860                         op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 861
 862                         if (job->hash_alg != NULL_HASH) {
 863                                 if (sess->auth.operation ==
 864                                                 RTE_CRYPTO_AUTH_OP_VERIFY)
 865                                         verify_digest(job, op, sess);
 866                                 else
 867                                         generate_digest(job, op, sess);
 868                         }
 869                         break;
 870                 default:
 871                         op->status = RTE_CRYPTO_OP_STATUS_ERROR;
 872                 }
 873         }
 874
 875         /* Free session if a session-less crypto op */
 876         if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
 877                 memset(sess, 0, sizeof(struct aesni_mb_session));
 878                 memset(op->sym->session, 0,
 879                                 rte_cryptodev_sym_get_header_session_size());
 880                 rte_mempool_put(qp->sess_mp, sess);
 881                 rte_mempool_put(qp->sess_mp, op->sym->session);
 882                 op->sym->session = NULL;
 883         }
 884
 885         return op;
 886 }
 887
 888 /**
 889  * Process a completed JOB_AES_HMAC job and keep processing jobs until
 890  * get_completed_job return NULL
 891  *
 892  * @param qp            Queue Pair to process
 893  * @param job           JOB_AES_HMAC job
 894  *
 895  * @return
 896  * - Number of processed jobs
 897  */
 898 static unsigned
 899 handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job,
 900                 struct rte_crypto_op **ops, uint16_t nb_ops)
 901 {
 902         struct rte_crypto_op *op = NULL;
 903         unsigned processed_jobs = 0;
 904
 905         while (job != NULL) {
 906                 op = post_process_mb_job(qp, job);
 907
 908                 if (op) {
 909                         ops[processed_jobs++] = op;
 910                         qp->stats.dequeued_count++;
 911                 } else {
 912                         qp->stats.dequeue_err_count++;
 913                         break;
 914                 }
 915                 if (processed_jobs == nb_ops)
 916                         break;
 917
 918                 job = (*qp->op_fns->job.get_completed_job)(qp->mb_mgr);
 919         }
 920
 921         return processed_jobs;
 922 }
 923
 924 static inline uint16_t
 925 flush_mb_mgr(struct aesni_mb_qp *qp, struct rte_crypto_op **ops,
 926                 uint16_t nb_ops)
 927 {
 928         int processed_ops = 0;
 929
 930         /* Flush the remaining jobs */
 931         JOB_AES_HMAC *job = (*qp->op_fns->job.flush_job)(qp->mb_mgr);
 932
 933         if (job)
 934                 processed_ops += handle_completed_jobs(qp, job,
 935                                 &ops[processed_ops], nb_ops - processed_ops);
 936
 937         return processed_ops;
 938 }
 939
 940 static inline JOB_AES_HMAC *
 941 set_job_null_op(JOB_AES_HMAC *job, struct rte_crypto_op *op)
 942 {
 943         job->chain_order = HASH_CIPHER;
 944         job->cipher_mode = NULL_CIPHER;
 945         job->hash_alg = NULL_HASH;
 946         job->cipher_direction = DECRYPT;
 947
 948         /* Set user data to be crypto operation data struct */
 949         job->user_data = op;
 950
 951         return job;
 952 }
 953
 954 static uint16_t
 955 aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
 956                 uint16_t nb_ops)
 957 {
 958         struct aesni_mb_qp *qp = queue_pair;
 959
 960         struct rte_crypto_op *op;
 961         JOB_AES_HMAC *job;
 962
 963         int retval, processed_jobs = 0;
 964
 965         if (unlikely(nb_ops == 0))
 966                 return 0;
 967
 968         uint8_t digest_idx = qp->digest_idx;
 969         do {
 970                 /* Get next free mb job struct from mb manager */
 971                 job = (*qp->op_fns->job.get_next)(qp->mb_mgr);
 972                 if (unlikely(job == NULL)) {
 973                         /* if no free mb job structs we need to flush mb_mgr */
 974                         processed_jobs += flush_mb_mgr(qp,
 975                                         &ops[processed_jobs],
 976                                         nb_ops - processed_jobs);
 977
 978                         if (nb_ops == processed_jobs)
 979                                 break;
 980
 981                         job = (*qp->op_fns->job.get_next)(qp->mb_mgr);
 982                 }
 983
 984                 /*
 985                  * Get next operation to process from ingress queue.
 986                  * There is no need to return the job to the MB_MGR
 987                  * if there are no more operations to process, since the MB_MGR
 988                  * can use that pointer again in next get_next calls.
 989                  */
 990                 retval = rte_ring_dequeue(qp->ingress_queue, (void **)&op);
 991                 if (retval < 0)
 992                         break;
 993
 994                 retval = set_mb_job_params(job, qp, op, &digest_idx);
 995                 if (unlikely(retval != 0)) {
 996                         qp->stats.dequeue_err_count++;
 997                         set_job_null_op(job, op);
 998                 }
 999
1000                 /* Submit job to multi-buffer for processing */
1001                 job = (*qp->op_fns->job.submit)(qp->mb_mgr);
1002
1003                 /*
1004                  * If submit returns a processed job then handle it,
1005                  * before submitting subsequent jobs
1006                  */
1007                 if (job)
1008                         processed_jobs += handle_completed_jobs(qp, job,
1009                                         &ops[processed_jobs],
1010                                         nb_ops - processed_jobs);
1011
1012         } while (processed_jobs < nb_ops);
1013
1014         qp->digest_idx = digest_idx;
1015
1016         if (processed_jobs < 1)
1017                 processed_jobs += flush_mb_mgr(qp,
1018                                 &ops[processed_jobs],
1019                                 nb_ops - processed_jobs);
1020
1021         return processed_jobs;
1022 }
1023
1024 static int cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev);
1025
1026 static int
1027 cryptodev_aesni_mb_create(const char *name,
1028                         struct rte_vdev_device *vdev,
1029                         struct rte_cryptodev_pmd_init_params *init_params)
1030 {
1031         struct rte_cryptodev *dev;
1032         struct aesni_mb_private *internals;
1033         enum aesni_mb_vector_mode vector_mode;
1034
1035         /* Check CPU for support for AES instruction set */
1036         if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
1037                 AESNI_MB_LOG(ERR, "AES instructions not supported by CPU");
1038                 return -EFAULT;
1039         }
1040
1041         dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
1042         if (dev == NULL) {
1043                 AESNI_MB_LOG(ERR, "failed to create cryptodev vdev");
1044                 return -ENODEV;
1045         }
1046
1047         /* Check CPU for supported vector instruction set */
1048         if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
1049                 vector_mode = RTE_AESNI_MB_AVX512;
1050         else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
1051                 vector_mode = RTE_AESNI_MB_AVX2;
1052         else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
1053                 vector_mode = RTE_AESNI_MB_AVX;
1054         else
1055                 vector_mode = RTE_AESNI_MB_SSE;
1056
1057         dev->driver_id = cryptodev_driver_id;
1058         dev->dev_ops = rte_aesni_mb_pmd_ops;
1059
1060         /* register rx/tx burst functions for data path */
1061         dev->dequeue_burst = aesni_mb_pmd_dequeue_burst;
1062         dev->enqueue_burst = aesni_mb_pmd_enqueue_burst;
1063
1064         dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
1065                         RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
1066                         RTE_CRYPTODEV_FF_CPU_AESNI;
1067
1068         switch (vector_mode) {
1069         case RTE_AESNI_MB_SSE:
1070                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
1071                 break;
1072         case RTE_AESNI_MB_AVX:
1073                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
1074                 break;
1075         case RTE_AESNI_MB_AVX2:
1076                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
1077                 break;
1078         case RTE_AESNI_MB_AVX512:
1079                 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX512;
1080                 break;
1081         default:
1082                 break;
1083         }
1084
1085         /* Set vector instructions mode supported */
1086         internals = dev->data->dev_private;
1087
1088         internals->vector_mode = vector_mode;
1089         internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
1090
1091 #if IMB_VERSION_NUM >= IMB_VERSION(0, 50, 0)
1092         AESNI_MB_LOG(INFO, "IPSec Multi-buffer library version used: %s\n",
1093                         imb_get_version_str());
1094 #else
1095         AESNI_MB_LOG(INFO, "IPSec Multi-buffer library version used: 0.49.0\n");
1096 #endif
1097
1098         return 0;
1099 }
1100
1101 static int
1102 cryptodev_aesni_mb_probe(struct rte_vdev_device *vdev)
1103 {
1104         struct rte_cryptodev_pmd_init_params init_params = {
1105                 "",
1106                 sizeof(struct aesni_mb_private),
1107                 rte_socket_id(),
1108                 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
1109         };
1110         const char *name, *args;
1111         int retval;
1112
1113         name = rte_vdev_device_name(vdev);
1114         if (name == NULL)
1115                 return -EINVAL;
1116
1117         args = rte_vdev_device_args(vdev);
1118
1119         retval = rte_cryptodev_pmd_parse_input_args(&init_params, args);
1120         if (retval) {
1121                 AESNI_MB_LOG(ERR, "Failed to parse initialisation arguments[%s]",
1122                                 args);
1123                 return -EINVAL;
1124         }
1125
1126         return cryptodev_aesni_mb_create(name, vdev, &init_params);
1127 }
1128
1129 static int
1130 cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev)
1131 {
1132         struct rte_cryptodev *cryptodev;
1133         const char *name;
1134
1135         name = rte_vdev_device_name(vdev);
1136         if (name == NULL)
1137                 return -EINVAL;
1138
1139         cryptodev = rte_cryptodev_pmd_get_named_dev(name);
1140         if (cryptodev == NULL)
1141                 return -ENODEV;
1142
1143         return rte_cryptodev_pmd_destroy(cryptodev);
1144 }
1145
1146 static struct rte_vdev_driver cryptodev_aesni_mb_pmd_drv = {
1147         .probe = cryptodev_aesni_mb_probe,
1148         .remove = cryptodev_aesni_mb_remove
1149 };
1150
1151 static struct cryptodev_driver aesni_mb_crypto_drv;
1152
1153 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd_drv);
1154 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd);
1155 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_MB_PMD,
1156         "max_nb_queue_pairs=<int> "
1157         "socket_id=<int>");
1158 RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_mb_crypto_drv,
1159                 cryptodev_aesni_mb_pmd_drv.driver,
1160                 cryptodev_driver_id);
1161
1162 RTE_INIT(aesni_mb_init_log)
1163 {
1164         aesni_mb_logtype_driver = rte_log_register("pmd.crypto.aesni_mb");
1165 }