1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2016 Intel Corporation. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * * Neither the name of Intel Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <rte_common.h> 34 #include <rte_hexdump.h> 35 #include <rte_cryptodev.h> 36 #include <rte_cryptodev_pmd.h> 37 #include <rte_vdev.h> 38 #include <rte_malloc.h> 39 #include <rte_cpuflags.h> 40 41 #include <openssl/evp.h> 42 43 #include "rte_openssl_pmd_private.h" 44 45 #define DES_BLOCK_SIZE 8 46 47 static int cryptodev_openssl_remove(const char *name); 48 49 /*----------------------------------------------------------------------------*/ 50 51 /** 52 * Increment counter by 1 53 * Counter is 64 bit array, big-endian 54 */ 55 static void 56 ctr_inc(uint8_t *ctr) 57 { 58 uint64_t *ctr64 = (uint64_t *)ctr; 59 60 *ctr64 = __builtin_bswap64(*ctr64); 61 (*ctr64)++; 62 *ctr64 = __builtin_bswap64(*ctr64); 63 } 64 65 /* 66 *------------------------------------------------------------------------------ 67 * Session Prepare 68 *------------------------------------------------------------------------------ 69 */ 70 71 /** Get xform chain order */ 72 static enum openssl_chain_order 73 openssl_get_chain_order(const struct rte_crypto_sym_xform *xform) 74 { 75 enum openssl_chain_order res = OPENSSL_CHAIN_NOT_SUPPORTED; 76 77 if (xform != NULL) { 78 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) { 79 if (xform->next == NULL) 80 res = OPENSSL_CHAIN_ONLY_AUTH; 81 else if (xform->next->type == 82 RTE_CRYPTO_SYM_XFORM_CIPHER) 83 res = OPENSSL_CHAIN_AUTH_CIPHER; 84 } 85 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) { 86 if (xform->next == NULL) 87 res = OPENSSL_CHAIN_ONLY_CIPHER; 88 else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) 89 res = OPENSSL_CHAIN_CIPHER_AUTH; 90 } 91 } 92 93 return res; 94 } 95 96 /** Get session cipher key from input cipher key */ 97 static void 98 get_cipher_key(uint8_t *input_key, int keylen, uint8_t *session_key) 99 { 100 memcpy(session_key, input_key, keylen); 101 } 102 103 /** Get key ede 24 bytes standard from input key */ 104 static int 105 get_cipher_key_ede(uint8_t *key, int keylen, uint8_t *key_ede) 106 { 107 int res = 0; 108 109 /* Initialize keys - 24 bytes: [key1-key2-key3] */ 110 switch (keylen) { 111 case 24: 112 memcpy(key_ede, key, 24); 113 break; 114 case 16: 115 /* K3 = K1 */ 116 memcpy(key_ede, key, 16); 117 memcpy(key_ede + 16, key, 8); 118 break; 119 case 8: 120 /* K1 = K2 = K3 (DES compatibility) */ 121 memcpy(key_ede, key, 8); 122 memcpy(key_ede + 8, key, 8); 123 memcpy(key_ede + 16, key, 8); 124 break; 125 default: 126 OPENSSL_LOG_ERR("Unsupported key size"); 127 res = -EINVAL; 128 } 129 130 return res; 131 } 132 133 /** Get adequate openssl function for input cipher algorithm */ 134 static uint8_t 135 get_cipher_algo(enum rte_crypto_cipher_algorithm sess_algo, size_t keylen, 136 const EVP_CIPHER **algo) 137 { 138 int res = 0; 139 140 if (algo != NULL) { 141 switch (sess_algo) { 142 case RTE_CRYPTO_CIPHER_3DES_CBC: 143 switch (keylen) { 144 case 16: 145 *algo = EVP_des_ede_cbc(); 146 break; 147 case 24: 148 *algo = EVP_des_ede3_cbc(); 149 break; 150 default: 151 res = -EINVAL; 152 } 153 break; 154 case RTE_CRYPTO_CIPHER_3DES_CTR: 155 break; 156 case RTE_CRYPTO_CIPHER_AES_CBC: 157 switch (keylen) { 158 case 16: 159 *algo = EVP_aes_128_cbc(); 160 break; 161 case 24: 162 *algo = EVP_aes_192_cbc(); 163 break; 164 case 32: 165 *algo = EVP_aes_256_cbc(); 166 break; 167 default: 168 res = -EINVAL; 169 } 170 break; 171 case RTE_CRYPTO_CIPHER_AES_CTR: 172 switch (keylen) { 173 case 16: 174 *algo = EVP_aes_128_ctr(); 175 break; 176 case 24: 177 *algo = EVP_aes_192_ctr(); 178 break; 179 case 32: 180 *algo = EVP_aes_256_ctr(); 181 break; 182 default: 183 res = -EINVAL; 184 } 185 break; 186 case RTE_CRYPTO_CIPHER_AES_GCM: 187 switch (keylen) { 188 case 16: 189 *algo = EVP_aes_128_gcm(); 190 break; 191 case 24: 192 *algo = EVP_aes_192_gcm(); 193 break; 194 case 32: 195 *algo = EVP_aes_256_gcm(); 196 break; 197 default: 198 res = -EINVAL; 199 } 200 break; 201 default: 202 res = -EINVAL; 203 break; 204 } 205 } else { 206 res = -EINVAL; 207 } 208 209 return res; 210 } 211 212 /** Get adequate openssl function for input auth algorithm */ 213 static uint8_t 214 get_auth_algo(enum rte_crypto_auth_algorithm sessalgo, 215 const EVP_MD **algo) 216 { 217 int res = 0; 218 219 if (algo != NULL) { 220 switch (sessalgo) { 221 case RTE_CRYPTO_AUTH_MD5: 222 case RTE_CRYPTO_AUTH_MD5_HMAC: 223 *algo = EVP_md5(); 224 break; 225 case RTE_CRYPTO_AUTH_SHA1: 226 case RTE_CRYPTO_AUTH_SHA1_HMAC: 227 *algo = EVP_sha1(); 228 break; 229 case RTE_CRYPTO_AUTH_SHA224: 230 case RTE_CRYPTO_AUTH_SHA224_HMAC: 231 *algo = EVP_sha224(); 232 break; 233 case RTE_CRYPTO_AUTH_SHA256: 234 case RTE_CRYPTO_AUTH_SHA256_HMAC: 235 *algo = EVP_sha256(); 236 break; 237 case RTE_CRYPTO_AUTH_SHA384: 238 case RTE_CRYPTO_AUTH_SHA384_HMAC: 239 *algo = EVP_sha384(); 240 break; 241 case RTE_CRYPTO_AUTH_SHA512: 242 case RTE_CRYPTO_AUTH_SHA512_HMAC: 243 *algo = EVP_sha512(); 244 break; 245 default: 246 res = -EINVAL; 247 break; 248 } 249 } else { 250 res = -EINVAL; 251 } 252 253 return res; 254 } 255 256 /** Set session cipher parameters */ 257 static int 258 openssl_set_session_cipher_parameters(struct openssl_session *sess, 259 const struct rte_crypto_sym_xform *xform) 260 { 261 /* Select cipher direction */ 262 sess->cipher.direction = xform->cipher.op; 263 /* Select cipher key */ 264 sess->cipher.key.length = xform->cipher.key.length; 265 266 /* Select cipher algo */ 267 switch (xform->cipher.algo) { 268 case RTE_CRYPTO_CIPHER_3DES_CBC: 269 case RTE_CRYPTO_CIPHER_AES_CBC: 270 case RTE_CRYPTO_CIPHER_AES_CTR: 271 case RTE_CRYPTO_CIPHER_AES_GCM: 272 sess->cipher.mode = OPENSSL_CIPHER_LIB; 273 sess->cipher.algo = xform->cipher.algo; 274 sess->cipher.ctx = EVP_CIPHER_CTX_new(); 275 276 if (get_cipher_algo(sess->cipher.algo, sess->cipher.key.length, 277 &sess->cipher.evp_algo) != 0) 278 return -EINVAL; 279 280 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length, 281 sess->cipher.key.data); 282 283 break; 284 285 case RTE_CRYPTO_CIPHER_3DES_CTR: 286 sess->cipher.mode = OPENSSL_CIPHER_DES3CTR; 287 sess->cipher.ctx = EVP_CIPHER_CTX_new(); 288 289 if (get_cipher_key_ede(xform->cipher.key.data, 290 sess->cipher.key.length, 291 sess->cipher.key.data) != 0) 292 return -EINVAL; 293 break; 294 case RTE_CRYPTO_CIPHER_DES_DOCSISBPI: 295 sess->cipher.algo = xform->cipher.algo; 296 sess->chain_order = OPENSSL_CHAIN_CIPHER_BPI; 297 sess->cipher.ctx = EVP_CIPHER_CTX_new(); 298 sess->cipher.evp_algo = EVP_des_cbc(); 299 300 sess->cipher.bpi_ctx = EVP_CIPHER_CTX_new(); 301 /* IV will be ECB encrypted whether direction is encrypt or decrypt */ 302 if (EVP_EncryptInit_ex(sess->cipher.bpi_ctx, EVP_des_ecb(), 303 NULL, xform->cipher.key.data, 0) != 1) 304 return -EINVAL; 305 306 get_cipher_key(xform->cipher.key.data, sess->cipher.key.length, 307 sess->cipher.key.data); 308 break; 309 default: 310 sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL; 311 return -EINVAL; 312 } 313 314 return 0; 315 } 316 317 /* Set session auth parameters */ 318 static int 319 openssl_set_session_auth_parameters(struct openssl_session *sess, 320 const struct rte_crypto_sym_xform *xform) 321 { 322 /* Select auth generate/verify */ 323 sess->auth.operation = xform->auth.op; 324 sess->auth.algo = xform->auth.algo; 325 326 /* Select auth algo */ 327 switch (xform->auth.algo) { 328 case RTE_CRYPTO_AUTH_AES_GMAC: 329 case RTE_CRYPTO_AUTH_AES_GCM: 330 /* Check additional condition for AES_GMAC/GCM */ 331 if (sess->cipher.algo != RTE_CRYPTO_CIPHER_AES_GCM) 332 return -EINVAL; 333 sess->chain_order = OPENSSL_CHAIN_COMBINED; 334 break; 335 336 case RTE_CRYPTO_AUTH_MD5: 337 case RTE_CRYPTO_AUTH_SHA1: 338 case RTE_CRYPTO_AUTH_SHA224: 339 case RTE_CRYPTO_AUTH_SHA256: 340 case RTE_CRYPTO_AUTH_SHA384: 341 case RTE_CRYPTO_AUTH_SHA512: 342 sess->auth.mode = OPENSSL_AUTH_AS_AUTH; 343 if (get_auth_algo(xform->auth.algo, 344 &sess->auth.auth.evp_algo) != 0) 345 return -EINVAL; 346 sess->auth.auth.ctx = EVP_MD_CTX_create(); 347 break; 348 349 case RTE_CRYPTO_AUTH_MD5_HMAC: 350 case RTE_CRYPTO_AUTH_SHA1_HMAC: 351 case RTE_CRYPTO_AUTH_SHA224_HMAC: 352 case RTE_CRYPTO_AUTH_SHA256_HMAC: 353 case RTE_CRYPTO_AUTH_SHA384_HMAC: 354 case RTE_CRYPTO_AUTH_SHA512_HMAC: 355 sess->auth.mode = OPENSSL_AUTH_AS_HMAC; 356 sess->auth.hmac.ctx = EVP_MD_CTX_create(); 357 if (get_auth_algo(xform->auth.algo, 358 &sess->auth.hmac.evp_algo) != 0) 359 return -EINVAL; 360 sess->auth.hmac.pkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, 361 xform->auth.key.data, xform->auth.key.length); 362 break; 363 364 default: 365 return -EINVAL; 366 } 367 368 return 0; 369 } 370 371 /** Parse crypto xform chain and set private session parameters */ 372 int 373 openssl_set_session_parameters(struct openssl_session *sess, 374 const struct rte_crypto_sym_xform *xform) 375 { 376 const struct rte_crypto_sym_xform *cipher_xform = NULL; 377 const struct rte_crypto_sym_xform *auth_xform = NULL; 378 379 sess->chain_order = openssl_get_chain_order(xform); 380 switch (sess->chain_order) { 381 case OPENSSL_CHAIN_ONLY_CIPHER: 382 cipher_xform = xform; 383 break; 384 case OPENSSL_CHAIN_ONLY_AUTH: 385 auth_xform = xform; 386 break; 387 case OPENSSL_CHAIN_CIPHER_AUTH: 388 cipher_xform = xform; 389 auth_xform = xform->next; 390 break; 391 case OPENSSL_CHAIN_AUTH_CIPHER: 392 auth_xform = xform; 393 cipher_xform = xform->next; 394 break; 395 default: 396 return -EINVAL; 397 } 398 399 /* cipher_xform must be check before auth_xform */ 400 if (cipher_xform) { 401 if (openssl_set_session_cipher_parameters( 402 sess, cipher_xform)) { 403 OPENSSL_LOG_ERR( 404 "Invalid/unsupported cipher parameters"); 405 return -EINVAL; 406 } 407 } 408 409 if (auth_xform) { 410 if (openssl_set_session_auth_parameters(sess, auth_xform)) { 411 OPENSSL_LOG_ERR( 412 "Invalid/unsupported auth parameters"); 413 return -EINVAL; 414 } 415 } 416 417 return 0; 418 } 419 420 /** Reset private session parameters */ 421 void 422 openssl_reset_session(struct openssl_session *sess) 423 { 424 EVP_CIPHER_CTX_free(sess->cipher.ctx); 425 426 if (sess->chain_order == OPENSSL_CHAIN_CIPHER_BPI) 427 EVP_CIPHER_CTX_free(sess->cipher.bpi_ctx); 428 429 switch (sess->auth.mode) { 430 case OPENSSL_AUTH_AS_AUTH: 431 EVP_MD_CTX_destroy(sess->auth.auth.ctx); 432 break; 433 case OPENSSL_AUTH_AS_HMAC: 434 EVP_PKEY_free(sess->auth.hmac.pkey); 435 EVP_MD_CTX_destroy(sess->auth.hmac.ctx); 436 break; 437 default: 438 break; 439 } 440 } 441 442 /** Provide session for operation */ 443 static struct openssl_session * 444 get_session(struct openssl_qp *qp, struct rte_crypto_op *op) 445 { 446 struct openssl_session *sess = NULL; 447 448 if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) { 449 /* get existing session */ 450 if (likely(op->sym->session != NULL && 451 op->sym->session->dev_type == 452 RTE_CRYPTODEV_OPENSSL_PMD)) 453 sess = (struct openssl_session *) 454 op->sym->session->_private; 455 } else { 456 /* provide internal session */ 457 void *_sess = NULL; 458 459 if (!rte_mempool_get(qp->sess_mp, (void **)&_sess)) { 460 sess = (struct openssl_session *) 461 ((struct rte_cryptodev_sym_session *)_sess) 462 ->_private; 463 464 if (unlikely(openssl_set_session_parameters( 465 sess, op->sym->xform) != 0)) { 466 rte_mempool_put(qp->sess_mp, _sess); 467 sess = NULL; 468 } else 469 op->sym->session = _sess; 470 } 471 } 472 473 if (sess == NULL) 474 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION; 475 476 return sess; 477 } 478 479 /* 480 *------------------------------------------------------------------------------ 481 * Process Operations 482 *------------------------------------------------------------------------------ 483 */ 484 static inline int 485 process_openssl_encryption_update(struct rte_mbuf *mbuf_src, int offset, 486 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx) 487 { 488 struct rte_mbuf *m; 489 int dstlen; 490 int l, n = srclen; 491 uint8_t *src; 492 493 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m); 494 m = m->next) 495 offset -= rte_pktmbuf_data_len(m); 496 497 if (m == 0) 498 return -1; 499 500 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset); 501 502 l = rte_pktmbuf_data_len(m) - offset; 503 if (srclen <= l) { 504 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0) 505 return -1; 506 *dst += l; 507 return 0; 508 } 509 510 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0) 511 return -1; 512 513 *dst += dstlen; 514 n -= l; 515 516 for (m = m->next; (m != NULL) && (n > 0); m = m->next) { 517 src = rte_pktmbuf_mtod(m, uint8_t *); 518 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n; 519 if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0) 520 return -1; 521 *dst += dstlen; 522 n -= l; 523 } 524 525 return 0; 526 } 527 528 static inline int 529 process_openssl_decryption_update(struct rte_mbuf *mbuf_src, int offset, 530 uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx) 531 { 532 struct rte_mbuf *m; 533 int dstlen; 534 int l, n = srclen; 535 uint8_t *src; 536 537 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m); 538 m = m->next) 539 offset -= rte_pktmbuf_data_len(m); 540 541 if (m == 0) 542 return -1; 543 544 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset); 545 546 l = rte_pktmbuf_data_len(m) - offset; 547 if (srclen <= l) { 548 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0) 549 return -1; 550 *dst += l; 551 return 0; 552 } 553 554 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0) 555 return -1; 556 557 *dst += dstlen; 558 n -= l; 559 560 for (m = m->next; (m != NULL) && (n > 0); m = m->next) { 561 src = rte_pktmbuf_mtod(m, uint8_t *); 562 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n; 563 if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0) 564 return -1; 565 *dst += dstlen; 566 n -= l; 567 } 568 569 return 0; 570 } 571 572 /** Process standard openssl cipher encryption */ 573 static int 574 process_openssl_cipher_encrypt(struct rte_mbuf *mbuf_src, uint8_t *dst, 575 int offset, uint8_t *iv, uint8_t *key, int srclen, 576 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo) 577 { 578 int totlen; 579 580 if (EVP_EncryptInit_ex(ctx, algo, NULL, key, iv) <= 0) 581 goto process_cipher_encrypt_err; 582 583 EVP_CIPHER_CTX_set_padding(ctx, 0); 584 585 if (process_openssl_encryption_update(mbuf_src, offset, &dst, 586 srclen, ctx)) 587 goto process_cipher_encrypt_err; 588 589 if (EVP_EncryptFinal_ex(ctx, dst, &totlen) <= 0) 590 goto process_cipher_encrypt_err; 591 592 return 0; 593 594 process_cipher_encrypt_err: 595 OPENSSL_LOG_ERR("Process openssl cipher encrypt failed"); 596 return -EINVAL; 597 } 598 599 /** Process standard openssl cipher encryption */ 600 static int 601 process_openssl_cipher_bpi_encrypt(uint8_t *src, uint8_t *dst, 602 uint8_t *iv, int srclen, 603 EVP_CIPHER_CTX *ctx) 604 { 605 uint8_t i; 606 uint8_t encrypted_iv[DES_BLOCK_SIZE]; 607 int encrypted_ivlen; 608 609 if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen, 610 iv, DES_BLOCK_SIZE) <= 0) 611 goto process_cipher_encrypt_err; 612 613 for (i = 0; i < srclen; i++) 614 *(dst + i) = *(src + i) ^ (encrypted_iv[i]); 615 616 return 0; 617 618 process_cipher_encrypt_err: 619 OPENSSL_LOG_ERR("Process openssl cipher bpi encrypt failed"); 620 return -EINVAL; 621 } 622 /** Process standard openssl cipher decryption */ 623 static int 624 process_openssl_cipher_decrypt(struct rte_mbuf *mbuf_src, uint8_t *dst, 625 int offset, uint8_t *iv, uint8_t *key, int srclen, 626 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo) 627 { 628 int totlen; 629 630 if (EVP_DecryptInit_ex(ctx, algo, NULL, key, iv) <= 0) 631 goto process_cipher_decrypt_err; 632 633 EVP_CIPHER_CTX_set_padding(ctx, 0); 634 635 if (process_openssl_decryption_update(mbuf_src, offset, &dst, 636 srclen, ctx)) 637 goto process_cipher_decrypt_err; 638 639 if (EVP_DecryptFinal_ex(ctx, dst, &totlen) <= 0) 640 goto process_cipher_decrypt_err; 641 return 0; 642 643 process_cipher_decrypt_err: 644 OPENSSL_LOG_ERR("Process openssl cipher decrypt failed"); 645 return -EINVAL; 646 } 647 648 /** Process cipher des 3 ctr encryption, decryption algorithm */ 649 static int 650 process_openssl_cipher_des3ctr(struct rte_mbuf *mbuf_src, uint8_t *dst, 651 int offset, uint8_t *iv, uint8_t *key, int srclen, 652 EVP_CIPHER_CTX *ctx) 653 { 654 uint8_t ebuf[8], ctr[8]; 655 int unused, n; 656 struct rte_mbuf *m; 657 uint8_t *src; 658 int l; 659 660 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m); 661 m = m->next) 662 offset -= rte_pktmbuf_data_len(m); 663 664 if (m == 0) 665 goto process_cipher_des3ctr_err; 666 667 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset); 668 l = rte_pktmbuf_data_len(m) - offset; 669 670 /* We use 3DES encryption also for decryption. 671 * IV is not important for 3DES ecb 672 */ 673 if (EVP_EncryptInit_ex(ctx, EVP_des_ede3_ecb(), NULL, key, NULL) <= 0) 674 goto process_cipher_des3ctr_err; 675 676 memcpy(ctr, iv, 8); 677 678 for (n = 0; n < srclen; n++) { 679 if (n % 8 == 0) { 680 if (EVP_EncryptUpdate(ctx, 681 (unsigned char *)&ebuf, &unused, 682 (const unsigned char *)&ctr, 8) <= 0) 683 goto process_cipher_des3ctr_err; 684 ctr_inc(ctr); 685 } 686 dst[n] = *(src++) ^ ebuf[n % 8]; 687 688 l--; 689 if (!l) { 690 m = m->next; 691 if (m) { 692 src = rte_pktmbuf_mtod(m, uint8_t *); 693 l = rte_pktmbuf_data_len(m); 694 } 695 } 696 } 697 698 return 0; 699 700 process_cipher_des3ctr_err: 701 OPENSSL_LOG_ERR("Process openssl cipher des 3 ede ctr failed"); 702 return -EINVAL; 703 } 704 705 /** Process auth/encription aes-gcm algorithm */ 706 static int 707 process_openssl_auth_encryption_gcm(struct rte_mbuf *mbuf_src, int offset, 708 int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen, 709 uint8_t *key, uint8_t *dst, uint8_t *tag, 710 EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo) 711 { 712 int len = 0, unused = 0; 713 uint8_t empty[] = {}; 714 715 if (EVP_EncryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0) 716 goto process_auth_encryption_gcm_err; 717 718 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0) 719 goto process_auth_encryption_gcm_err; 720 721 if (EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv) <= 0) 722 goto process_auth_encryption_gcm_err; 723 724 if (aadlen > 0) 725 if (EVP_EncryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0) 726 goto process_auth_encryption_gcm_err; 727 728 if (srclen > 0) 729 if (process_openssl_encryption_update(mbuf_src, offset, &dst, 730 srclen, ctx)) 731 goto process_auth_encryption_gcm_err; 732 733 /* Workaround open ssl bug in version less then 1.0.1f */ 734 if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0) 735 goto process_auth_encryption_gcm_err; 736 737 if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0) 738 goto process_auth_encryption_gcm_err; 739 740 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag) <= 0) 741 goto process_auth_encryption_gcm_err; 742 743 return 0; 744 745 process_auth_encryption_gcm_err: 746 OPENSSL_LOG_ERR("Process openssl auth encryption gcm failed"); 747 return -EINVAL; 748 } 749 750 static int 751 process_openssl_auth_decryption_gcm(struct rte_mbuf *mbuf_src, int offset, 752 int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen, 753 uint8_t *key, uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx, 754 const EVP_CIPHER *algo) 755 { 756 int len = 0, unused = 0; 757 uint8_t empty[] = {}; 758 759 if (EVP_DecryptInit_ex(ctx, algo, NULL, NULL, NULL) <= 0) 760 goto process_auth_decryption_gcm_err; 761 762 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_IVLEN, ivlen, NULL) <= 0) 763 goto process_auth_decryption_gcm_err; 764 765 if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, 16, tag) <= 0) 766 goto process_auth_decryption_gcm_err; 767 768 if (EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv) <= 0) 769 goto process_auth_decryption_gcm_err; 770 771 if (aadlen > 0) 772 if (EVP_DecryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0) 773 goto process_auth_decryption_gcm_err; 774 775 if (srclen > 0) 776 if (process_openssl_decryption_update(mbuf_src, offset, &dst, 777 srclen, ctx)) 778 goto process_auth_decryption_gcm_err; 779 780 /* Workaround open ssl bug in version less then 1.0.1f */ 781 if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0) 782 goto process_auth_decryption_gcm_err; 783 784 if (EVP_DecryptFinal_ex(ctx, dst, &len) <= 0) 785 goto process_auth_decryption_gcm_final_err; 786 787 return 0; 788 789 process_auth_decryption_gcm_err: 790 OPENSSL_LOG_ERR("Process openssl auth description gcm failed"); 791 return -EINVAL; 792 793 process_auth_decryption_gcm_final_err: 794 return -EFAULT; 795 } 796 797 /** Process standard openssl auth algorithms */ 798 static int 799 process_openssl_auth(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset, 800 __rte_unused uint8_t *iv, __rte_unused EVP_PKEY * pkey, 801 int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo) 802 { 803 size_t dstlen; 804 struct rte_mbuf *m; 805 int l, n = srclen; 806 uint8_t *src; 807 808 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m); 809 m = m->next) 810 offset -= rte_pktmbuf_data_len(m); 811 812 if (m == 0) 813 goto process_auth_err; 814 815 if (EVP_DigestInit_ex(ctx, algo, NULL) <= 0) 816 goto process_auth_err; 817 818 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset); 819 820 l = rte_pktmbuf_data_len(m) - offset; 821 if (srclen <= l) { 822 if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0) 823 goto process_auth_err; 824 goto process_auth_final; 825 } 826 827 if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0) 828 goto process_auth_err; 829 830 n -= l; 831 832 for (m = m->next; (m != NULL) && (n > 0); m = m->next) { 833 src = rte_pktmbuf_mtod(m, uint8_t *); 834 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n; 835 if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0) 836 goto process_auth_err; 837 n -= l; 838 } 839 840 process_auth_final: 841 if (EVP_DigestFinal_ex(ctx, dst, (unsigned int *)&dstlen) <= 0) 842 goto process_auth_err; 843 return 0; 844 845 process_auth_err: 846 OPENSSL_LOG_ERR("Process openssl auth failed"); 847 return -EINVAL; 848 } 849 850 /** Process standard openssl auth algorithms with hmac */ 851 static int 852 process_openssl_auth_hmac(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset, 853 __rte_unused uint8_t *iv, EVP_PKEY *pkey, 854 int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo) 855 { 856 size_t dstlen; 857 struct rte_mbuf *m; 858 int l, n = srclen; 859 uint8_t *src; 860 861 for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m); 862 m = m->next) 863 offset -= rte_pktmbuf_data_len(m); 864 865 if (m == 0) 866 goto process_auth_err; 867 868 if (EVP_DigestSignInit(ctx, NULL, algo, NULL, pkey) <= 0) 869 goto process_auth_err; 870 871 src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset); 872 873 l = rte_pktmbuf_data_len(m) - offset; 874 if (srclen <= l) { 875 if (EVP_DigestSignUpdate(ctx, (char *)src, srclen) <= 0) 876 goto process_auth_err; 877 goto process_auth_final; 878 } 879 880 if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0) 881 goto process_auth_err; 882 883 n -= l; 884 885 for (m = m->next; (m != NULL) && (n > 0); m = m->next) { 886 src = rte_pktmbuf_mtod(m, uint8_t *); 887 l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n; 888 if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0) 889 goto process_auth_err; 890 n -= l; 891 } 892 893 process_auth_final: 894 if (EVP_DigestSignFinal(ctx, dst, &dstlen) <= 0) 895 goto process_auth_err; 896 897 return 0; 898 899 process_auth_err: 900 OPENSSL_LOG_ERR("Process openssl auth failed"); 901 return -EINVAL; 902 } 903 904 /*----------------------------------------------------------------------------*/ 905 906 /** Process auth/cipher combined operation */ 907 static void 908 process_openssl_combined_op 909 (struct rte_crypto_op *op, struct openssl_session *sess, 910 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst) 911 { 912 /* cipher */ 913 uint8_t *dst = NULL, *iv, *tag, *aad; 914 int srclen, ivlen, aadlen, status = -1; 915 916 /* 917 * Segmented destination buffer is not supported for 918 * encryption/decryption 919 */ 920 if (!rte_pktmbuf_is_contiguous(mbuf_dst)) { 921 op->status = RTE_CRYPTO_OP_STATUS_ERROR; 922 return; 923 } 924 925 iv = op->sym->cipher.iv.data; 926 ivlen = op->sym->cipher.iv.length; 927 aad = op->sym->auth.aad.data; 928 aadlen = op->sym->auth.aad.length; 929 930 tag = op->sym->auth.digest.data; 931 if (tag == NULL) 932 tag = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, 933 op->sym->cipher.data.offset + 934 op->sym->cipher.data.length); 935 936 if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) 937 srclen = 0; 938 else { 939 srclen = op->sym->cipher.data.length; 940 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, 941 op->sym->cipher.data.offset); 942 } 943 944 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) 945 status = process_openssl_auth_encryption_gcm( 946 mbuf_src, op->sym->cipher.data.offset, srclen, 947 aad, aadlen, iv, ivlen, sess->cipher.key.data, 948 dst, tag, sess->cipher.ctx, 949 sess->cipher.evp_algo); 950 else 951 status = process_openssl_auth_decryption_gcm( 952 mbuf_src, op->sym->cipher.data.offset, srclen, 953 aad, aadlen, iv, ivlen, sess->cipher.key.data, 954 dst, tag, sess->cipher.ctx, 955 sess->cipher.evp_algo); 956 957 if (status != 0) { 958 if (status == (-EFAULT) && 959 sess->auth.operation == 960 RTE_CRYPTO_AUTH_OP_VERIFY) 961 op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; 962 else 963 op->status = RTE_CRYPTO_OP_STATUS_ERROR; 964 } 965 } 966 967 /** Process cipher operation */ 968 static void 969 process_openssl_cipher_op 970 (struct rte_crypto_op *op, struct openssl_session *sess, 971 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst) 972 { 973 uint8_t *dst, *iv; 974 int srclen, status; 975 976 /* 977 * Segmented destination buffer is not supported for 978 * encryption/decryption 979 */ 980 if (!rte_pktmbuf_is_contiguous(mbuf_dst)) { 981 op->status = RTE_CRYPTO_OP_STATUS_ERROR; 982 return; 983 } 984 985 srclen = op->sym->cipher.data.length; 986 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, 987 op->sym->cipher.data.offset); 988 989 iv = op->sym->cipher.iv.data; 990 991 if (sess->cipher.mode == OPENSSL_CIPHER_LIB) 992 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) 993 status = process_openssl_cipher_encrypt(mbuf_src, dst, 994 op->sym->cipher.data.offset, iv, 995 sess->cipher.key.data, srclen, 996 sess->cipher.ctx, 997 sess->cipher.evp_algo); 998 else 999 status = process_openssl_cipher_decrypt(mbuf_src, dst, 1000 op->sym->cipher.data.offset, iv, 1001 sess->cipher.key.data, srclen, 1002 sess->cipher.ctx, 1003 sess->cipher.evp_algo); 1004 else 1005 status = process_openssl_cipher_des3ctr(mbuf_src, dst, 1006 op->sym->cipher.data.offset, iv, 1007 sess->cipher.key.data, srclen, 1008 sess->cipher.ctx); 1009 1010 if (status != 0) 1011 op->status = RTE_CRYPTO_OP_STATUS_ERROR; 1012 } 1013 1014 /** Process cipher operation */ 1015 static void 1016 process_openssl_docsis_bpi_op(struct rte_crypto_op *op, 1017 struct openssl_session *sess, struct rte_mbuf *mbuf_src, 1018 struct rte_mbuf *mbuf_dst) 1019 { 1020 uint8_t *src, *dst, *iv; 1021 uint8_t block_size, last_block_len; 1022 int srclen, status = 0; 1023 1024 srclen = op->sym->cipher.data.length; 1025 src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *, 1026 op->sym->cipher.data.offset); 1027 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, 1028 op->sym->cipher.data.offset); 1029 1030 iv = op->sym->cipher.iv.data; 1031 1032 block_size = DES_BLOCK_SIZE; 1033 1034 last_block_len = srclen % block_size; 1035 if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) { 1036 /* Encrypt only with ECB mode XOR IV */ 1037 if (srclen < block_size) { 1038 status = process_openssl_cipher_bpi_encrypt(src, dst, 1039 iv, srclen, 1040 sess->cipher.bpi_ctx); 1041 } else { 1042 srclen -= last_block_len; 1043 /* Encrypt with the block aligned stream with CBC mode */ 1044 status = process_openssl_cipher_encrypt(mbuf_src, dst, 1045 op->sym->cipher.data.offset, iv, 1046 sess->cipher.key.data, srclen, 1047 sess->cipher.ctx, sess->cipher.evp_algo); 1048 if (last_block_len) { 1049 /* Point at last block */ 1050 dst += srclen; 1051 /* 1052 * IV is the last encrypted block from 1053 * the previous operation 1054 */ 1055 iv = dst - block_size; 1056 src += srclen; 1057 srclen = last_block_len; 1058 /* Encrypt the last frame with ECB mode */ 1059 status |= process_openssl_cipher_bpi_encrypt(src, 1060 dst, iv, 1061 srclen, sess->cipher.bpi_ctx); 1062 } 1063 } 1064 } else { 1065 /* Decrypt only with ECB mode (encrypt, as it is same operation) */ 1066 if (srclen < block_size) { 1067 status = process_openssl_cipher_bpi_encrypt(src, dst, 1068 iv, 1069 srclen, 1070 sess->cipher.bpi_ctx); 1071 } else { 1072 if (last_block_len) { 1073 /* Point at last block */ 1074 dst += srclen - last_block_len; 1075 src += srclen - last_block_len; 1076 /* 1077 * IV is the last full block 1078 */ 1079 iv = src - block_size; 1080 /* 1081 * Decrypt the last frame with ECB mode 1082 * (encrypt, as it is the same operation) 1083 */ 1084 status = process_openssl_cipher_bpi_encrypt(src, 1085 dst, iv, 1086 last_block_len, sess->cipher.bpi_ctx); 1087 /* Prepare parameters for CBC mode op */ 1088 iv = op->sym->cipher.iv.data; 1089 dst += last_block_len - srclen; 1090 srclen -= last_block_len; 1091 } 1092 1093 /* Decrypt with CBC mode */ 1094 status |= process_openssl_cipher_decrypt(mbuf_src, dst, 1095 op->sym->cipher.data.offset, iv, 1096 sess->cipher.key.data, srclen, 1097 sess->cipher.ctx, 1098 sess->cipher.evp_algo); 1099 } 1100 } 1101 1102 if (status != 0) 1103 op->status = RTE_CRYPTO_OP_STATUS_ERROR; 1104 } 1105 1106 /** Process auth operation */ 1107 static void 1108 process_openssl_auth_op 1109 (struct rte_crypto_op *op, struct openssl_session *sess, 1110 struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst) 1111 { 1112 uint8_t *dst; 1113 int srclen, status; 1114 1115 srclen = op->sym->auth.data.length; 1116 1117 if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) 1118 dst = (uint8_t *)rte_pktmbuf_append(mbuf_src, 1119 op->sym->auth.digest.length); 1120 else { 1121 dst = op->sym->auth.digest.data; 1122 if (dst == NULL) 1123 dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *, 1124 op->sym->auth.data.offset + 1125 op->sym->auth.data.length); 1126 } 1127 1128 switch (sess->auth.mode) { 1129 case OPENSSL_AUTH_AS_AUTH: 1130 status = process_openssl_auth(mbuf_src, dst, 1131 op->sym->auth.data.offset, NULL, NULL, srclen, 1132 sess->auth.auth.ctx, sess->auth.auth.evp_algo); 1133 break; 1134 case OPENSSL_AUTH_AS_HMAC: 1135 status = process_openssl_auth_hmac(mbuf_src, dst, 1136 op->sym->auth.data.offset, NULL, 1137 sess->auth.hmac.pkey, srclen, 1138 sess->auth.hmac.ctx, sess->auth.hmac.evp_algo); 1139 break; 1140 default: 1141 status = -1; 1142 break; 1143 } 1144 1145 if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) { 1146 if (memcmp(dst, op->sym->auth.digest.data, 1147 op->sym->auth.digest.length) != 0) { 1148 op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; 1149 } 1150 /* Trim area used for digest from mbuf. */ 1151 rte_pktmbuf_trim(mbuf_src, op->sym->auth.digest.length); 1152 } 1153 1154 if (status != 0) 1155 op->status = RTE_CRYPTO_OP_STATUS_ERROR; 1156 } 1157 1158 /** Process crypto operation for mbuf */ 1159 static int 1160 process_op(const struct openssl_qp *qp, struct rte_crypto_op *op, 1161 struct openssl_session *sess) 1162 { 1163 struct rte_mbuf *msrc, *mdst; 1164 int retval; 1165 1166 msrc = op->sym->m_src; 1167 mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src; 1168 1169 op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED; 1170 1171 switch (sess->chain_order) { 1172 case OPENSSL_CHAIN_ONLY_CIPHER: 1173 process_openssl_cipher_op(op, sess, msrc, mdst); 1174 break; 1175 case OPENSSL_CHAIN_ONLY_AUTH: 1176 process_openssl_auth_op(op, sess, msrc, mdst); 1177 break; 1178 case OPENSSL_CHAIN_CIPHER_AUTH: 1179 process_openssl_cipher_op(op, sess, msrc, mdst); 1180 process_openssl_auth_op(op, sess, mdst, mdst); 1181 break; 1182 case OPENSSL_CHAIN_AUTH_CIPHER: 1183 process_openssl_auth_op(op, sess, msrc, mdst); 1184 process_openssl_cipher_op(op, sess, msrc, mdst); 1185 break; 1186 case OPENSSL_CHAIN_COMBINED: 1187 process_openssl_combined_op(op, sess, msrc, mdst); 1188 break; 1189 case OPENSSL_CHAIN_CIPHER_BPI: 1190 process_openssl_docsis_bpi_op(op, sess, msrc, mdst); 1191 break; 1192 default: 1193 op->status = RTE_CRYPTO_OP_STATUS_ERROR; 1194 break; 1195 } 1196 1197 /* Free session if a session-less crypto op */ 1198 if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) { 1199 openssl_reset_session(sess); 1200 memset(sess, 0, sizeof(struct openssl_session)); 1201 rte_mempool_put(qp->sess_mp, op->sym->session); 1202 op->sym->session = NULL; 1203 } 1204 1205 if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED) 1206 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS; 1207 1208 if (op->status != RTE_CRYPTO_OP_STATUS_ERROR) 1209 retval = rte_ring_enqueue(qp->processed_ops, (void *)op); 1210 else 1211 retval = -1; 1212 1213 return retval; 1214 } 1215 1216 /* 1217 *------------------------------------------------------------------------------ 1218 * PMD Framework 1219 *------------------------------------------------------------------------------ 1220 */ 1221 1222 /** Enqueue burst */ 1223 static uint16_t 1224 openssl_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops, 1225 uint16_t nb_ops) 1226 { 1227 struct openssl_session *sess; 1228 struct openssl_qp *qp = queue_pair; 1229 int i, retval; 1230 1231 for (i = 0; i < nb_ops; i++) { 1232 sess = get_session(qp, ops[i]); 1233 if (unlikely(sess == NULL)) 1234 goto enqueue_err; 1235 1236 retval = process_op(qp, ops[i], sess); 1237 if (unlikely(retval < 0)) 1238 goto enqueue_err; 1239 } 1240 1241 qp->stats.enqueued_count += i; 1242 return i; 1243 1244 enqueue_err: 1245 qp->stats.enqueue_err_count++; 1246 return i; 1247 } 1248 1249 /** Dequeue burst */ 1250 static uint16_t 1251 openssl_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops, 1252 uint16_t nb_ops) 1253 { 1254 struct openssl_qp *qp = queue_pair; 1255 1256 unsigned int nb_dequeued = 0; 1257 1258 nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops, 1259 (void **)ops, nb_ops, NULL); 1260 qp->stats.dequeued_count += nb_dequeued; 1261 1262 return nb_dequeued; 1263 } 1264 1265 /** Create OPENSSL crypto device */ 1266 static int 1267 cryptodev_openssl_create(struct rte_crypto_vdev_init_params *init_params) 1268 { 1269 struct rte_cryptodev *dev; 1270 struct openssl_private *internals; 1271 1272 if (init_params->name[0] == '\0') { 1273 int ret = rte_cryptodev_pmd_create_dev_name( 1274 init_params->name, 1275 RTE_STR(CRYPTODEV_NAME_OPENSSL_PMD)); 1276 1277 if (ret < 0) { 1278 OPENSSL_LOG_ERR("failed to create unique name"); 1279 return ret; 1280 } 1281 } 1282 1283 dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name, 1284 sizeof(struct openssl_private), 1285 init_params->socket_id); 1286 if (dev == NULL) { 1287 OPENSSL_LOG_ERR("failed to create cryptodev vdev"); 1288 goto init_error; 1289 } 1290 1291 dev->dev_type = RTE_CRYPTODEV_OPENSSL_PMD; 1292 dev->dev_ops = rte_openssl_pmd_ops; 1293 1294 /* register rx/tx burst functions for data path */ 1295 dev->dequeue_burst = openssl_pmd_dequeue_burst; 1296 dev->enqueue_burst = openssl_pmd_enqueue_burst; 1297 1298 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO | 1299 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING | 1300 RTE_CRYPTODEV_FF_CPU_AESNI | 1301 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER; 1302 1303 /* Set vector instructions mode supported */ 1304 internals = dev->data->dev_private; 1305 1306 internals->max_nb_qpairs = init_params->max_nb_queue_pairs; 1307 internals->max_nb_sessions = init_params->max_nb_sessions; 1308 1309 return 0; 1310 1311 init_error: 1312 OPENSSL_LOG_ERR("driver %s: cryptodev_openssl_create failed", 1313 init_params->name); 1314 1315 cryptodev_openssl_remove(init_params->name); 1316 return -EFAULT; 1317 } 1318 1319 /** Initialise OPENSSL crypto device */ 1320 static int 1321 cryptodev_openssl_probe(const char *name, 1322 const char *input_args) 1323 { 1324 struct rte_crypto_vdev_init_params init_params = { 1325 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS, 1326 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS, 1327 rte_socket_id(), 1328 {0} 1329 }; 1330 1331 rte_cryptodev_parse_vdev_init_params(&init_params, input_args); 1332 1333 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name, 1334 init_params.socket_id); 1335 if (init_params.name[0] != '\0') 1336 RTE_LOG(INFO, PMD, " User defined name = %s\n", 1337 init_params.name); 1338 RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n", 1339 init_params.max_nb_queue_pairs); 1340 RTE_LOG(INFO, PMD, " Max number of sessions = %d\n", 1341 init_params.max_nb_sessions); 1342 1343 return cryptodev_openssl_create(&init_params); 1344 } 1345 1346 /** Uninitialise OPENSSL crypto device */ 1347 static int 1348 cryptodev_openssl_remove(const char *name) 1349 { 1350 if (name == NULL) 1351 return -EINVAL; 1352 1353 RTE_LOG(INFO, PMD, 1354 "Closing OPENSSL crypto device %s on numa socket %u\n", 1355 name, rte_socket_id()); 1356 1357 return 0; 1358 } 1359 1360 static struct rte_vdev_driver cryptodev_openssl_pmd_drv = { 1361 .probe = cryptodev_openssl_probe, 1362 .remove = cryptodev_openssl_remove 1363 }; 1364 1365 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_OPENSSL_PMD, 1366 cryptodev_openssl_pmd_drv); 1367 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD, 1368 "max_nb_queue_pairs=<int> " 1369 "max_nb_sessions=<int> " 1370 "socket_id=<int>"); 1371