1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2017 Intel Corporation
7 #include <rte_common.h>
8 #include <rte_hexdump.h>
9 #include <rte_cryptodev.h>
10 #include <rte_cryptodev_pmd.h>
11 #include <rte_bus_vdev.h>
12 #include <rte_malloc.h>
13 #include <rte_cpuflags.h>
15 #include "rte_aesni_mb_pmd_private.h"
17 static uint8_t cryptodev_driver_id;
19 typedef void (*hash_one_block_t)(const void *data, void *digest);
20 typedef void (*aes_keyexp_t)(const void *key, void *enc_exp_keys, void *dec_exp_keys);
23 * Calculate the authentication pre-computes
25 * @param one_block_hash Function pointer to calculate digest on ipad/opad
26 * @param ipad Inner pad output byte array
27 * @param opad Outer pad output byte array
28 * @param hkey Authentication key
29 * @param hkey_len Authentication key length
30 * @param blocksize Block size of selected hash algo
33 calculate_auth_precomputes(hash_one_block_t one_block_hash,
34 uint8_t *ipad, uint8_t *opad,
35 uint8_t *hkey, uint16_t hkey_len,
40 uint8_t ipad_buf[blocksize] __rte_aligned(16);
41 uint8_t opad_buf[blocksize] __rte_aligned(16);
43 /* Setup inner and outer pads */
44 memset(ipad_buf, HMAC_IPAD_VALUE, blocksize);
45 memset(opad_buf, HMAC_OPAD_VALUE, blocksize);
47 /* XOR hash key with inner and outer pads */
48 length = hkey_len > blocksize ? blocksize : hkey_len;
50 for (i = 0; i < length; i++) {
51 ipad_buf[i] ^= hkey[i];
52 opad_buf[i] ^= hkey[i];
55 /* Compute partial hashes */
56 (*one_block_hash)(ipad_buf, ipad);
57 (*one_block_hash)(opad_buf, opad);
60 memset(ipad_buf, 0, blocksize);
61 memset(opad_buf, 0, blocksize);
64 /** Get xform chain order */
65 static enum aesni_mb_operation
66 aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
69 return AESNI_MB_OP_NOT_SUPPORTED;
71 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
72 if (xform->next == NULL)
73 return AESNI_MB_OP_CIPHER_ONLY;
74 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
75 return AESNI_MB_OP_CIPHER_HASH;
78 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
79 if (xform->next == NULL)
80 return AESNI_MB_OP_HASH_ONLY;
81 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
82 return AESNI_MB_OP_HASH_CIPHER;
85 if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
86 if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM) {
87 if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
88 return AESNI_MB_OP_AEAD_CIPHER_HASH;
90 return AESNI_MB_OP_AEAD_HASH_CIPHER;
94 return AESNI_MB_OP_NOT_SUPPORTED;
97 /** Set session authentication parameters */
99 aesni_mb_set_session_auth_parameters(const struct aesni_mb_op_fns *mb_ops,
100 struct aesni_mb_session *sess,
101 const struct rte_crypto_sym_xform *xform)
103 hash_one_block_t hash_oneblock_fn;
106 sess->auth.algo = NULL_HASH;
110 if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) {
111 MB_LOG_ERR("Crypto xform struct not of type auth");
115 /* Select auth generate/verify */
116 sess->auth.operation = xform->auth.op;
118 /* Set Authentication Parameters */
119 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
120 sess->auth.algo = AES_XCBC;
121 (*mb_ops->aux.keyexp.aes_xcbc)(xform->auth.key.data,
122 sess->auth.xcbc.k1_expanded,
123 sess->auth.xcbc.k2, sess->auth.xcbc.k3);
127 switch (xform->auth.algo) {
128 case RTE_CRYPTO_AUTH_MD5_HMAC:
129 sess->auth.algo = MD5;
130 hash_oneblock_fn = mb_ops->aux.one_block.md5;
132 case RTE_CRYPTO_AUTH_SHA1_HMAC:
133 sess->auth.algo = SHA1;
134 hash_oneblock_fn = mb_ops->aux.one_block.sha1;
136 case RTE_CRYPTO_AUTH_SHA224_HMAC:
137 sess->auth.algo = SHA_224;
138 hash_oneblock_fn = mb_ops->aux.one_block.sha224;
140 case RTE_CRYPTO_AUTH_SHA256_HMAC:
141 sess->auth.algo = SHA_256;
142 hash_oneblock_fn = mb_ops->aux.one_block.sha256;
144 case RTE_CRYPTO_AUTH_SHA384_HMAC:
145 sess->auth.algo = SHA_384;
146 hash_oneblock_fn = mb_ops->aux.one_block.sha384;
148 case RTE_CRYPTO_AUTH_SHA512_HMAC:
149 sess->auth.algo = SHA_512;
150 hash_oneblock_fn = mb_ops->aux.one_block.sha512;
153 MB_LOG_ERR("Unsupported authentication algorithm selection");
157 /* Calculate Authentication precomputes */
158 calculate_auth_precomputes(hash_oneblock_fn,
159 sess->auth.pads.inner, sess->auth.pads.outer,
160 xform->auth.key.data,
161 xform->auth.key.length,
162 get_auth_algo_blocksize(sess->auth.algo));
167 /** Set session cipher parameters */
169 aesni_mb_set_session_cipher_parameters(const struct aesni_mb_op_fns *mb_ops,
170 struct aesni_mb_session *sess,
171 const struct rte_crypto_sym_xform *xform)
174 aes_keyexp_t aes_keyexp_fn;
177 sess->cipher.mode = NULL_CIPHER;
181 if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) {
182 MB_LOG_ERR("Crypto xform struct not of type cipher");
186 /* Select cipher direction */
187 switch (xform->cipher.op) {
188 case RTE_CRYPTO_CIPHER_OP_ENCRYPT:
189 sess->cipher.direction = ENCRYPT;
191 case RTE_CRYPTO_CIPHER_OP_DECRYPT:
192 sess->cipher.direction = DECRYPT;
195 MB_LOG_ERR("Invalid cipher operation parameter");
199 /* Select cipher mode */
200 switch (xform->cipher.algo) {
201 case RTE_CRYPTO_CIPHER_AES_CBC:
202 sess->cipher.mode = CBC;
205 case RTE_CRYPTO_CIPHER_AES_CTR:
206 sess->cipher.mode = CNTR;
209 case RTE_CRYPTO_CIPHER_AES_DOCSISBPI:
210 sess->cipher.mode = DOCSIS_SEC_BPI;
213 case RTE_CRYPTO_CIPHER_DES_CBC:
214 sess->cipher.mode = DES;
216 case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
217 sess->cipher.mode = DOCSIS_DES;
220 MB_LOG_ERR("Unsupported cipher mode parameter");
224 /* Set IV parameters */
225 sess->iv.offset = xform->cipher.iv.offset;
226 sess->iv.length = xform->cipher.iv.length;
228 /* Check key length and choose key expansion function for AES */
230 switch (xform->cipher.key.length) {
232 sess->cipher.key_length_in_bytes = AES_128_BYTES;
233 aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
236 sess->cipher.key_length_in_bytes = AES_192_BYTES;
237 aes_keyexp_fn = mb_ops->aux.keyexp.aes192;
240 sess->cipher.key_length_in_bytes = AES_256_BYTES;
241 aes_keyexp_fn = mb_ops->aux.keyexp.aes256;
244 MB_LOG_ERR("Invalid cipher key length");
248 /* Expanded cipher keys */
249 (*aes_keyexp_fn)(xform->cipher.key.data,
250 sess->cipher.expanded_aes_keys.encode,
251 sess->cipher.expanded_aes_keys.decode);
254 if (xform->cipher.key.length != 8) {
255 MB_LOG_ERR("Invalid cipher key length");
258 sess->cipher.key_length_in_bytes = 8;
260 des_key_schedule((uint64_t *)sess->cipher.expanded_aes_keys.encode,
261 xform->cipher.key.data);
262 des_key_schedule((uint64_t *)sess->cipher.expanded_aes_keys.decode,
263 xform->cipher.key.data);
270 aesni_mb_set_session_aead_parameters(const struct aesni_mb_op_fns *mb_ops,
271 struct aesni_mb_session *sess,
272 const struct rte_crypto_sym_xform *xform)
274 aes_keyexp_t aes_keyexp_fn;
276 switch (xform->aead.op) {
277 case RTE_CRYPTO_AEAD_OP_ENCRYPT:
278 sess->cipher.direction = ENCRYPT;
279 sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE;
281 case RTE_CRYPTO_AEAD_OP_DECRYPT:
282 sess->cipher.direction = DECRYPT;
283 sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY;
286 MB_LOG_ERR("Invalid aead operation parameter");
290 switch (xform->aead.algo) {
291 case RTE_CRYPTO_AEAD_AES_CCM:
292 sess->cipher.mode = CCM;
293 sess->auth.algo = AES_CCM;
296 MB_LOG_ERR("Unsupported aead mode parameter");
300 /* Set IV parameters */
301 sess->iv.offset = xform->aead.iv.offset;
302 sess->iv.length = xform->aead.iv.length;
304 /* Check key length and choose key expansion function for AES */
306 switch (xform->aead.key.length) {
308 sess->cipher.key_length_in_bytes = AES_128_BYTES;
309 aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
312 MB_LOG_ERR("Invalid cipher key length");
316 /* Expanded cipher keys */
317 (*aes_keyexp_fn)(xform->aead.key.data,
318 sess->cipher.expanded_aes_keys.encode,
319 sess->cipher.expanded_aes_keys.decode);
324 /** Parse crypto xform chain and set private session parameters */
326 aesni_mb_set_session_parameters(const struct aesni_mb_op_fns *mb_ops,
327 struct aesni_mb_session *sess,
328 const struct rte_crypto_sym_xform *xform)
330 const struct rte_crypto_sym_xform *auth_xform = NULL;
331 const struct rte_crypto_sym_xform *cipher_xform = NULL;
332 const struct rte_crypto_sym_xform *aead_xform = NULL;
335 /* Select Crypto operation - hash then cipher / cipher then hash */
336 switch (aesni_mb_get_chain_order(xform)) {
337 case AESNI_MB_OP_HASH_CIPHER:
338 sess->chain_order = HASH_CIPHER;
340 cipher_xform = xform->next;
342 case AESNI_MB_OP_CIPHER_HASH:
343 sess->chain_order = CIPHER_HASH;
344 auth_xform = xform->next;
345 cipher_xform = xform;
347 case AESNI_MB_OP_HASH_ONLY:
348 sess->chain_order = HASH_CIPHER;
352 case AESNI_MB_OP_CIPHER_ONLY:
354 * Multi buffer library operates only at two modes,
355 * CIPHER_HASH and HASH_CIPHER. When doing ciphering only,
356 * chain order depends on cipher operation: encryption is always
357 * the first operation and decryption the last one.
359 if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
360 sess->chain_order = CIPHER_HASH;
362 sess->chain_order = HASH_CIPHER;
364 cipher_xform = xform;
366 case AESNI_MB_OP_AEAD_CIPHER_HASH:
367 sess->chain_order = CIPHER_HASH;
368 sess->aead.aad_len = xform->aead.aad_length;
369 sess->aead.digest_len = xform->aead.digest_length;
372 case AESNI_MB_OP_AEAD_HASH_CIPHER:
373 sess->chain_order = HASH_CIPHER;
374 sess->aead.aad_len = xform->aead.aad_length;
375 sess->aead.digest_len = xform->aead.digest_length;
378 case AESNI_MB_OP_NOT_SUPPORTED:
380 MB_LOG_ERR("Unsupported operation chain order parameter");
384 /* Default IV length = 0 */
387 ret = aesni_mb_set_session_auth_parameters(mb_ops, sess, auth_xform);
389 MB_LOG_ERR("Invalid/unsupported authentication parameters");
393 ret = aesni_mb_set_session_cipher_parameters(mb_ops, sess,
396 MB_LOG_ERR("Invalid/unsupported cipher parameters");
401 ret = aesni_mb_set_session_aead_parameters(mb_ops, sess,
404 MB_LOG_ERR("Invalid/unsupported aead parameters");
413 * burst enqueue, place crypto operations on ingress queue for processing.
415 * @param __qp Queue Pair to process
416 * @param ops Crypto operations for processing
417 * @param nb_ops Number of crypto operations for processing
420 * - Number of crypto operations enqueued
423 aesni_mb_pmd_enqueue_burst(void *__qp, struct rte_crypto_op **ops,
426 struct aesni_mb_qp *qp = __qp;
428 unsigned int nb_enqueued;
430 nb_enqueued = rte_ring_enqueue_burst(qp->ingress_queue,
431 (void **)ops, nb_ops, NULL);
433 qp->stats.enqueued_count += nb_enqueued;
438 /** Get multi buffer session */
439 static inline struct aesni_mb_session *
440 get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op)
442 struct aesni_mb_session *sess = NULL;
444 if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
445 if (likely(op->sym->session != NULL))
446 sess = (struct aesni_mb_session *)
447 get_session_private_data(
449 cryptodev_driver_id);
452 void *_sess_private_data = NULL;
454 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
457 if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
460 sess = (struct aesni_mb_session *)_sess_private_data;
462 if (unlikely(aesni_mb_set_session_parameters(qp->op_fns,
463 sess, op->sym->xform) != 0)) {
464 rte_mempool_put(qp->sess_mp, _sess);
465 rte_mempool_put(qp->sess_mp, _sess_private_data);
468 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
469 set_session_private_data(op->sym->session, cryptodev_driver_id,
473 if (unlikely(sess == NULL))
474 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
480 * Process a crypto operation and complete a JOB_AES_HMAC job structure for
481 * submission to the multi buffer library for processing.
483 * @param qp queue pair
484 * @param job JOB_AES_HMAC structure to fill
485 * @param m mbuf to process
488 * - Completed JOB_AES_HMAC structure pointer on success
489 * - NULL pointer if completion of JOB_AES_HMAC structure isn't possible
492 set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
493 struct rte_crypto_op *op, uint8_t *digest_idx)
495 struct rte_mbuf *m_src = op->sym->m_src, *m_dst;
496 struct aesni_mb_session *session;
497 uint16_t m_offset = 0;
499 session = get_session(qp, op);
500 if (session == NULL) {
501 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
505 /* Set crypto operation */
506 job->chain_order = session->chain_order;
508 /* Set cipher parameters */
509 job->cipher_direction = session->cipher.direction;
510 job->cipher_mode = session->cipher.mode;
512 job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
513 job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
514 job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.decode;
517 /* Set authentication parameters */
518 job->hash_alg = session->auth.algo;
519 if (job->hash_alg == AES_XCBC) {
520 job->_k1_expanded = session->auth.xcbc.k1_expanded;
521 job->_k2 = session->auth.xcbc.k2;
522 job->_k3 = session->auth.xcbc.k3;
523 } else if (job->hash_alg == AES_CCM) {
524 job->u.CCM.aad = op->sym->aead.aad.data + 18;
525 job->u.CCM.aad_len_in_bytes = session->aead.aad_len;
527 job->hashed_auth_key_xor_ipad = session->auth.pads.inner;
528 job->hashed_auth_key_xor_opad = session->auth.pads.outer;
531 /* Mutable crypto operation parameters */
532 if (op->sym->m_dst) {
533 m_src = m_dst = op->sym->m_dst;
535 /* append space for output data to mbuf */
536 char *odata = rte_pktmbuf_append(m_dst,
537 rte_pktmbuf_data_len(op->sym->m_src));
539 MB_LOG_ERR("failed to allocate space in destination "
540 "mbuf for source data");
541 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
545 memcpy(odata, rte_pktmbuf_mtod(op->sym->m_src, void*),
546 rte_pktmbuf_data_len(op->sym->m_src));
549 if (job->hash_alg == AES_CCM)
550 m_offset = op->sym->aead.data.offset;
552 m_offset = op->sym->cipher.data.offset;
555 /* Set digest output location */
556 if (job->hash_alg != NULL_HASH &&
557 session->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
558 job->auth_tag_output = qp->temp_digests[*digest_idx];
559 *digest_idx = (*digest_idx + 1) % MAX_JOBS;
561 if (job->hash_alg == AES_CCM)
562 job->auth_tag_output = op->sym->aead.digest.data;
564 job->auth_tag_output = op->sym->auth.digest.data;
568 * Multi-buffer library current only support returning a truncated
569 * digest length as specified in the relevant IPsec RFCs
571 if (job->hash_alg != AES_CCM)
572 job->auth_tag_output_len_in_bytes =
573 get_truncated_digest_byte_length(job->hash_alg);
575 job->auth_tag_output_len_in_bytes = session->aead.digest_len;
578 /* Set IV parameters */
580 job->iv_len_in_bytes = session->iv.length;
583 job->src = rte_pktmbuf_mtod(m_src, uint8_t *);
584 job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *, m_offset);
586 if (job->hash_alg == AES_CCM) {
587 job->cipher_start_src_offset_in_bytes =
588 op->sym->aead.data.offset;
589 job->msg_len_to_cipher_in_bytes = op->sym->aead.data.length;
590 job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset;
591 job->msg_len_to_hash_in_bytes = op->sym->aead.data.length;
593 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
594 session->iv.offset + 1);
596 job->cipher_start_src_offset_in_bytes =
597 op->sym->cipher.data.offset;
598 job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length;
600 job->hash_start_src_offset_in_bytes = op->sym->auth.data.offset;
601 job->msg_len_to_hash_in_bytes = op->sym->auth.data.length;
603 job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
607 /* Set user data to be crypto operation data struct */
614 verify_digest(struct aesni_mb_qp *qp __rte_unused, JOB_AES_HMAC *job,
615 struct rte_crypto_op *op) {
616 /* Verify digest if required */
617 if (job->hash_alg == AES_CCM) {
618 if (memcmp(job->auth_tag_output, op->sym->aead.digest.data,
619 job->auth_tag_output_len_in_bytes) != 0)
620 op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
622 if (memcmp(job->auth_tag_output, op->sym->auth.digest.data,
623 job->auth_tag_output_len_in_bytes) != 0)
624 op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
629 * Process a completed job and return rte_mbuf which job processed
631 * @param qp Queue Pair to process
632 * @param job JOB_AES_HMAC job to process
635 * - Returns processed crypto operation.
636 * - Returns NULL on invalid job
638 static inline struct rte_crypto_op *
639 post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
641 struct rte_crypto_op *op = (struct rte_crypto_op *)job->user_data;
642 struct aesni_mb_session *sess = get_session_private_data(
644 cryptodev_driver_id);
646 if (likely(op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)) {
647 switch (job->status) {
649 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
651 if (job->hash_alg != NULL_HASH) {
652 if (sess->auth.operation ==
653 RTE_CRYPTO_AUTH_OP_VERIFY)
654 verify_digest(qp, job, op);
658 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
662 /* Free session if a session-less crypto op */
663 if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
664 memset(sess, 0, sizeof(struct aesni_mb_session));
665 memset(op->sym->session, 0,
666 rte_cryptodev_get_header_session_size());
667 rte_mempool_put(qp->sess_mp, sess);
668 rte_mempool_put(qp->sess_mp, op->sym->session);
669 op->sym->session = NULL;
676 * Process a completed JOB_AES_HMAC job and keep processing jobs until
677 * get_completed_job return NULL
679 * @param qp Queue Pair to process
680 * @param job JOB_AES_HMAC job
683 * - Number of processed jobs
686 handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job,
687 struct rte_crypto_op **ops, uint16_t nb_ops)
689 struct rte_crypto_op *op = NULL;
690 unsigned processed_jobs = 0;
692 while (job != NULL) {
693 op = post_process_mb_job(qp, job);
696 ops[processed_jobs++] = op;
697 qp->stats.dequeued_count++;
699 qp->stats.dequeue_err_count++;
702 if (processed_jobs == nb_ops)
705 job = (*qp->op_fns->job.get_completed_job)(&qp->mb_mgr);
708 return processed_jobs;
711 static inline uint16_t
712 flush_mb_mgr(struct aesni_mb_qp *qp, struct rte_crypto_op **ops,
715 int processed_ops = 0;
717 /* Flush the remaining jobs */
718 JOB_AES_HMAC *job = (*qp->op_fns->job.flush_job)(&qp->mb_mgr);
721 processed_ops += handle_completed_jobs(qp, job,
722 &ops[processed_ops], nb_ops - processed_ops);
724 return processed_ops;
727 static inline JOB_AES_HMAC *
728 set_job_null_op(JOB_AES_HMAC *job, struct rte_crypto_op *op)
730 job->chain_order = HASH_CIPHER;
731 job->cipher_mode = NULL_CIPHER;
732 job->hash_alg = NULL_HASH;
733 job->cipher_direction = DECRYPT;
735 /* Set user data to be crypto operation data struct */
742 aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
745 struct aesni_mb_qp *qp = queue_pair;
747 struct rte_crypto_op *op;
750 int retval, processed_jobs = 0;
752 if (unlikely(nb_ops == 0))
755 uint8_t digest_idx = qp->digest_idx;
757 /* Get next operation to process from ingress queue */
758 retval = rte_ring_dequeue(qp->ingress_queue, (void **)&op);
762 /* Get next free mb job struct from mb manager */
763 job = (*qp->op_fns->job.get_next)(&qp->mb_mgr);
764 if (unlikely(job == NULL)) {
765 /* if no free mb job structs we need to flush mb_mgr */
766 processed_jobs += flush_mb_mgr(qp,
767 &ops[processed_jobs],
768 (nb_ops - processed_jobs) - 1);
770 job = (*qp->op_fns->job.get_next)(&qp->mb_mgr);
773 retval = set_mb_job_params(job, qp, op, &digest_idx);
774 if (unlikely(retval != 0)) {
775 qp->stats.dequeue_err_count++;
776 set_job_null_op(job, op);
779 /* Submit job to multi-buffer for processing */
780 job = (*qp->op_fns->job.submit)(&qp->mb_mgr);
783 * If submit returns a processed job then handle it,
784 * before submitting subsequent jobs
787 processed_jobs += handle_completed_jobs(qp, job,
788 &ops[processed_jobs],
789 nb_ops - processed_jobs);
791 } while (processed_jobs < nb_ops);
793 qp->digest_idx = digest_idx;
795 if (processed_jobs < 1)
796 processed_jobs += flush_mb_mgr(qp,
797 &ops[processed_jobs],
798 nb_ops - processed_jobs);
800 return processed_jobs;
803 static int cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev);
806 cryptodev_aesni_mb_create(const char *name,
807 struct rte_vdev_device *vdev,
808 struct rte_cryptodev_pmd_init_params *init_params)
810 struct rte_cryptodev *dev;
811 struct aesni_mb_private *internals;
812 enum aesni_mb_vector_mode vector_mode;
814 /* Check CPU for support for AES instruction set */
815 if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
816 MB_LOG_ERR("AES instructions not supported by CPU");
820 dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
822 MB_LOG_ERR("failed to create cryptodev vdev");
826 /* Check CPU for supported vector instruction set */
827 if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
828 vector_mode = RTE_AESNI_MB_AVX512;
829 else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
830 vector_mode = RTE_AESNI_MB_AVX2;
831 else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
832 vector_mode = RTE_AESNI_MB_AVX;
834 vector_mode = RTE_AESNI_MB_SSE;
836 dev->driver_id = cryptodev_driver_id;
837 dev->dev_ops = rte_aesni_mb_pmd_ops;
839 /* register rx/tx burst functions for data path */
840 dev->dequeue_burst = aesni_mb_pmd_dequeue_burst;
841 dev->enqueue_burst = aesni_mb_pmd_enqueue_burst;
843 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
844 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
845 RTE_CRYPTODEV_FF_CPU_AESNI;
847 switch (vector_mode) {
848 case RTE_AESNI_MB_SSE:
849 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
851 case RTE_AESNI_MB_AVX:
852 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
854 case RTE_AESNI_MB_AVX2:
855 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
857 case RTE_AESNI_MB_AVX512:
858 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX512;
864 /* Set vector instructions mode supported */
865 internals = dev->data->dev_private;
867 internals->vector_mode = vector_mode;
868 internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
869 internals->max_nb_sessions = init_params->max_nb_sessions;
875 cryptodev_aesni_mb_probe(struct rte_vdev_device *vdev)
877 struct rte_cryptodev_pmd_init_params init_params = {
879 sizeof(struct aesni_mb_private),
881 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS,
882 RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS
884 const char *name, *args;
887 name = rte_vdev_device_name(vdev);
891 args = rte_vdev_device_args(vdev);
893 retval = rte_cryptodev_pmd_parse_input_args(&init_params, args);
895 MB_LOG_ERR("Failed to parse initialisation arguments[%s]\n",
900 return cryptodev_aesni_mb_create(name, vdev, &init_params);
904 cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev)
906 struct rte_cryptodev *cryptodev;
909 name = rte_vdev_device_name(vdev);
913 cryptodev = rte_cryptodev_pmd_get_named_dev(name);
914 if (cryptodev == NULL)
917 return rte_cryptodev_pmd_destroy(cryptodev);
920 static struct rte_vdev_driver cryptodev_aesni_mb_pmd_drv = {
921 .probe = cryptodev_aesni_mb_probe,
922 .remove = cryptodev_aesni_mb_remove
925 static struct cryptodev_driver aesni_mb_crypto_drv;
927 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd_drv);
928 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd);
929 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_MB_PMD,
930 "max_nb_queue_pairs=<int> "
931 "max_nb_sessions=<int> "
933 RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_mb_crypto_drv,
934 cryptodev_aesni_mb_pmd_drv.driver,
935 cryptodev_driver_id);