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[ceph.git] / ceph / src / seastar / dpdk / drivers / crypto / openssl / rte_openssl_pmd.c
1 /*-
2 * BSD LICENSE
3 *
4 * Copyright(c) 2016 Intel Corporation. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 * * Neither the name of Intel Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <rte_common.h>
34 #include <rte_hexdump.h>
35 #include <rte_cryptodev.h>
36 #include <rte_cryptodev_pmd.h>
37 #include <rte_vdev.h>
38 #include <rte_malloc.h>
39 #include <rte_cpuflags.h>
40
41 #include <openssl/evp.h>
42
43 #include "rte_openssl_pmd_private.h"
44
45 #define DES_BLOCK_SIZE 8
46
47 static int cryptodev_openssl_remove(struct rte_vdev_device *vdev);
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(const char *name,
1268 struct rte_vdev_device *vdev,
1269 struct rte_crypto_vdev_init_params *init_params)
1270 {
1271 struct rte_cryptodev *dev;
1272 struct openssl_private *internals;
1273
1274 if (init_params->name[0] == '\0')
1275 snprintf(init_params->name, sizeof(init_params->name),
1276 "%s", name);
1277
1278 dev = rte_cryptodev_pmd_virtual_dev_init(init_params->name,
1279 sizeof(struct openssl_private),
1280 init_params->socket_id);
1281 if (dev == NULL) {
1282 OPENSSL_LOG_ERR("failed to create cryptodev vdev");
1283 goto init_error;
1284 }
1285
1286 dev->dev_type = RTE_CRYPTODEV_OPENSSL_PMD;
1287 dev->dev_ops = rte_openssl_pmd_ops;
1288
1289 /* register rx/tx burst functions for data path */
1290 dev->dequeue_burst = openssl_pmd_dequeue_burst;
1291 dev->enqueue_burst = openssl_pmd_enqueue_burst;
1292
1293 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
1294 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
1295 RTE_CRYPTODEV_FF_CPU_AESNI |
1296 RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
1297
1298 /* Set vector instructions mode supported */
1299 internals = dev->data->dev_private;
1300
1301 internals->max_nb_qpairs = init_params->max_nb_queue_pairs;
1302 internals->max_nb_sessions = init_params->max_nb_sessions;
1303
1304 return 0;
1305
1306 init_error:
1307 OPENSSL_LOG_ERR("driver %s: cryptodev_openssl_create failed",
1308 init_params->name);
1309
1310 cryptodev_openssl_remove(vdev);
1311 return -EFAULT;
1312 }
1313
1314 /** Initialise OPENSSL crypto device */
1315 static int
1316 cryptodev_openssl_probe(struct rte_vdev_device *vdev)
1317 {
1318 struct rte_crypto_vdev_init_params init_params = {
1319 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
1320 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
1321 rte_socket_id(),
1322 {0}
1323 };
1324 const char *name;
1325 const char *input_args;
1326
1327 name = rte_vdev_device_name(vdev);
1328 if (name == NULL)
1329 return -EINVAL;
1330 input_args = rte_vdev_device_args(vdev);
1331
1332 rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
1333
1334 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
1335 init_params.socket_id);
1336 if (init_params.name[0] != '\0')
1337 RTE_LOG(INFO, PMD, " User defined name = %s\n",
1338 init_params.name);
1339 RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n",
1340 init_params.max_nb_queue_pairs);
1341 RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
1342 init_params.max_nb_sessions);
1343
1344 return cryptodev_openssl_create(name, vdev, &init_params);
1345 }
1346
1347 /** Uninitialise OPENSSL crypto device */
1348 static int
1349 cryptodev_openssl_remove(struct rte_vdev_device *vdev)
1350 {
1351 const char *name;
1352
1353 name = rte_vdev_device_name(vdev);
1354 if (name == NULL)
1355 return -EINVAL;
1356
1357 RTE_LOG(INFO, PMD,
1358 "Closing OPENSSL crypto device %s on numa socket %u\n",
1359 name, rte_socket_id());
1360
1361 return 0;
1362 }
1363
1364 static struct rte_vdev_driver cryptodev_openssl_pmd_drv = {
1365 .probe = cryptodev_openssl_probe,
1366 .remove = cryptodev_openssl_remove
1367 };
1368
1369 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_OPENSSL_PMD,
1370 cryptodev_openssl_pmd_drv);
1371 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_OPENSSL_PMD,
1372 "max_nb_queue_pairs=<int> "
1373 "max_nb_sessions=<int> "
1374 "socket_id=<int>");
Ceph