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>"); 1377