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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>
39 #include <rte_malloc.h>
40 #include <rte_cpuflags.h>
42 #include "rte_aesni_mb_pmd_private.h"
44 typedef void (*hash_one_block_t)(const void *data, void *digest);
45 typedef void (*aes_keyexp_t)(const void *key, void *enc_exp_keys, void *dec_exp_keys);
48 * Calculate the authentication pre-computes
50 * @param one_block_hash Function pointer to calculate digest on ipad/opad
51 * @param ipad Inner pad output byte array
52 * @param opad Outer pad output byte array
53 * @param hkey Authentication key
54 * @param hkey_len Authentication key length
55 * @param blocksize Block size of selected hash algo
58 calculate_auth_precomputes(hash_one_block_t one_block_hash,
59 uint8_t *ipad, uint8_t *opad,
60 uint8_t *hkey, uint16_t hkey_len,
65 uint8_t ipad_buf[blocksize] __rte_aligned(16);
66 uint8_t opad_buf[blocksize] __rte_aligned(16);
68 /* Setup inner and outer pads */
69 memset(ipad_buf, HMAC_IPAD_VALUE, blocksize);
70 memset(opad_buf, HMAC_OPAD_VALUE, blocksize);
72 /* XOR hash key with inner and outer pads */
73 length = hkey_len > blocksize ? blocksize : hkey_len;
75 for (i = 0; i < length; i++) {
76 ipad_buf[i] ^= hkey[i];
77 opad_buf[i] ^= hkey[i];
80 /* Compute partial hashes */
81 (*one_block_hash)(ipad_buf, ipad);
82 (*one_block_hash)(opad_buf, opad);
85 memset(ipad_buf, 0, blocksize);
86 memset(opad_buf, 0, blocksize);
89 /** Get xform chain order */
90 static enum aesni_mb_operation
91 aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
94 return AESNI_MB_OP_NOT_SUPPORTED;
96 if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
97 if (xform->next == NULL)
98 return AESNI_MB_OP_CIPHER_ONLY;
99 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
100 return AESNI_MB_OP_CIPHER_HASH;
103 if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
104 if (xform->next == NULL)
105 return AESNI_MB_OP_HASH_ONLY;
106 if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
107 return AESNI_MB_OP_HASH_CIPHER;
110 return AESNI_MB_OP_NOT_SUPPORTED;
113 /** Set session authentication parameters */
115 aesni_mb_set_session_auth_parameters(const struct aesni_mb_op_fns *mb_ops,
116 struct aesni_mb_session *sess,
117 const struct rte_crypto_sym_xform *xform)
119 hash_one_block_t hash_oneblock_fn;
122 sess->auth.algo = NULL_HASH;
126 if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) {
127 MB_LOG_ERR("Crypto xform struct not of type auth");
131 /* Select auth generate/verify */
132 sess->auth.operation = xform->auth.op;
134 /* Set Authentication Parameters */
135 if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
136 sess->auth.algo = AES_XCBC;
137 (*mb_ops->aux.keyexp.aes_xcbc)(xform->auth.key.data,
138 sess->auth.xcbc.k1_expanded,
139 sess->auth.xcbc.k2, sess->auth.xcbc.k3);
143 switch (xform->auth.algo) {
144 case RTE_CRYPTO_AUTH_MD5_HMAC:
145 sess->auth.algo = MD5;
146 hash_oneblock_fn = mb_ops->aux.one_block.md5;
148 case RTE_CRYPTO_AUTH_SHA1_HMAC:
149 sess->auth.algo = SHA1;
150 hash_oneblock_fn = mb_ops->aux.one_block.sha1;
152 case RTE_CRYPTO_AUTH_SHA224_HMAC:
153 sess->auth.algo = SHA_224;
154 hash_oneblock_fn = mb_ops->aux.one_block.sha224;
156 case RTE_CRYPTO_AUTH_SHA256_HMAC:
157 sess->auth.algo = SHA_256;
158 hash_oneblock_fn = mb_ops->aux.one_block.sha256;
160 case RTE_CRYPTO_AUTH_SHA384_HMAC:
161 sess->auth.algo = SHA_384;
162 hash_oneblock_fn = mb_ops->aux.one_block.sha384;
164 case RTE_CRYPTO_AUTH_SHA512_HMAC:
165 sess->auth.algo = SHA_512;
166 hash_oneblock_fn = mb_ops->aux.one_block.sha512;
169 MB_LOG_ERR("Unsupported authentication algorithm selection");
173 /* Calculate Authentication precomputes */
174 calculate_auth_precomputes(hash_oneblock_fn,
175 sess->auth.pads.inner, sess->auth.pads.outer,
176 xform->auth.key.data,
177 xform->auth.key.length,
178 get_auth_algo_blocksize(sess->auth.algo));
183 /** Set session cipher parameters */
185 aesni_mb_set_session_cipher_parameters(const struct aesni_mb_op_fns *mb_ops,
186 struct aesni_mb_session *sess,
187 const struct rte_crypto_sym_xform *xform)
189 aes_keyexp_t aes_keyexp_fn;
192 sess->cipher.mode = NULL_CIPHER;
196 if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) {
197 MB_LOG_ERR("Crypto xform struct not of type cipher");
201 /* Select cipher direction */
202 switch (xform->cipher.op) {
203 case RTE_CRYPTO_CIPHER_OP_ENCRYPT:
204 sess->cipher.direction = ENCRYPT;
206 case RTE_CRYPTO_CIPHER_OP_DECRYPT:
207 sess->cipher.direction = DECRYPT;
210 MB_LOG_ERR("Unsupported cipher operation parameter");
214 /* Select cipher mode */
215 switch (xform->cipher.algo) {
216 case RTE_CRYPTO_CIPHER_AES_CBC:
217 sess->cipher.mode = CBC;
219 case RTE_CRYPTO_CIPHER_AES_CTR:
220 sess->cipher.mode = CNTR;
222 case RTE_CRYPTO_CIPHER_AES_DOCSISBPI:
223 sess->cipher.mode = DOCSIS_SEC_BPI;
226 MB_LOG_ERR("Unsupported cipher mode parameter");
230 /* Check key length and choose key expansion function */
231 switch (xform->cipher.key.length) {
233 sess->cipher.key_length_in_bytes = AES_128_BYTES;
234 aes_keyexp_fn = mb_ops->aux.keyexp.aes128;
237 sess->cipher.key_length_in_bytes = AES_192_BYTES;
238 aes_keyexp_fn = mb_ops->aux.keyexp.aes192;
241 sess->cipher.key_length_in_bytes = AES_256_BYTES;
242 aes_keyexp_fn = mb_ops->aux.keyexp.aes256;
245 MB_LOG_ERR("Unsupported cipher key length");
249 /* Expanded cipher keys */
250 (*aes_keyexp_fn)(xform->cipher.key.data,
251 sess->cipher.expanded_aes_keys.encode,
252 sess->cipher.expanded_aes_keys.decode);
257 /** Parse crypto xform chain and set private session parameters */
259 aesni_mb_set_session_parameters(const struct aesni_mb_op_fns *mb_ops,
260 struct aesni_mb_session *sess,
261 const struct rte_crypto_sym_xform *xform)
263 const struct rte_crypto_sym_xform *auth_xform = NULL;
264 const struct rte_crypto_sym_xform *cipher_xform = NULL;
266 /* Select Crypto operation - hash then cipher / cipher then hash */
267 switch (aesni_mb_get_chain_order(xform)) {
268 case AESNI_MB_OP_HASH_CIPHER:
269 sess->chain_order = HASH_CIPHER;
271 cipher_xform = xform->next;
273 case AESNI_MB_OP_CIPHER_HASH:
274 sess->chain_order = CIPHER_HASH;
275 auth_xform = xform->next;
276 cipher_xform = xform;
278 case AESNI_MB_OP_HASH_ONLY:
279 sess->chain_order = HASH_CIPHER;
283 case AESNI_MB_OP_CIPHER_ONLY:
285 * Multi buffer library operates only at two modes,
286 * CIPHER_HASH and HASH_CIPHER. When doing ciphering only,
287 * chain order depends on cipher operation: encryption is always
288 * the first operation and decryption the last one.
290 if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
291 sess->chain_order = CIPHER_HASH;
293 sess->chain_order = HASH_CIPHER;
295 cipher_xform = xform;
297 case AESNI_MB_OP_NOT_SUPPORTED:
299 MB_LOG_ERR("Unsupported operation chain order parameter");
303 if (aesni_mb_set_session_auth_parameters(mb_ops, sess, auth_xform)) {
304 MB_LOG_ERR("Invalid/unsupported authentication parameters");
308 if (aesni_mb_set_session_cipher_parameters(mb_ops, sess,
310 MB_LOG_ERR("Invalid/unsupported cipher parameters");
317 * burst enqueue, place crypto operations on ingress queue for processing.
319 * @param __qp Queue Pair to process
320 * @param ops Crypto operations for processing
321 * @param nb_ops Number of crypto operations for processing
324 * - Number of crypto operations enqueued
327 aesni_mb_pmd_enqueue_burst(void *__qp, struct rte_crypto_op **ops,
330 struct aesni_mb_qp *qp = __qp;
332 unsigned int nb_enqueued;
334 nb_enqueued = rte_ring_enqueue_burst(qp->ingress_queue,
335 (void **)ops, nb_ops, NULL);
337 qp->stats.enqueued_count += nb_enqueued;
342 /** Get multi buffer session */
343 static inline struct aesni_mb_session *
344 get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op)
346 struct aesni_mb_session *sess = NULL;
348 if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
349 if (unlikely(op->sym->session->dev_type !=
350 RTE_CRYPTODEV_AESNI_MB_PMD)) {
354 sess = (struct aesni_mb_session *)op->sym->session->_private;
358 if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
361 sess = (struct aesni_mb_session *)
362 ((struct rte_cryptodev_sym_session *)_sess)->_private;
364 if (unlikely(aesni_mb_set_session_parameters(qp->op_fns,
365 sess, op->sym->xform) != 0)) {
366 rte_mempool_put(qp->sess_mp, _sess);
369 op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
376 * Process a crypto operation and complete a JOB_AES_HMAC job structure for
377 * submission to the multi buffer library for processing.
379 * @param qp queue pair
380 * @param job JOB_AES_HMAC structure to fill
381 * @param m mbuf to process
384 * - Completed JOB_AES_HMAC structure pointer on success
385 * - NULL pointer if completion of JOB_AES_HMAC structure isn't possible
388 set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
389 struct rte_crypto_op *op)
391 struct rte_mbuf *m_src = op->sym->m_src, *m_dst;
392 struct aesni_mb_session *session;
393 uint16_t m_offset = 0;
395 session = get_session(qp, op);
396 if (session == NULL) {
397 op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
400 op->status = RTE_CRYPTO_OP_STATUS_ENQUEUED;
402 /* Set crypto operation */
403 job->chain_order = session->chain_order;
405 /* Set cipher parameters */
406 job->cipher_direction = session->cipher.direction;
407 job->cipher_mode = session->cipher.mode;
409 job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
410 job->aes_enc_key_expanded = session->cipher.expanded_aes_keys.encode;
411 job->aes_dec_key_expanded = session->cipher.expanded_aes_keys.decode;
414 /* Set authentication parameters */
415 job->hash_alg = session->auth.algo;
416 if (job->hash_alg == AES_XCBC) {
417 job->_k1_expanded = session->auth.xcbc.k1_expanded;
418 job->_k2 = session->auth.xcbc.k2;
419 job->_k3 = session->auth.xcbc.k3;
421 job->hashed_auth_key_xor_ipad = session->auth.pads.inner;
422 job->hashed_auth_key_xor_opad = session->auth.pads.outer;
425 /* Mutable crypto operation parameters */
426 if (op->sym->m_dst) {
427 m_src = m_dst = op->sym->m_dst;
429 /* append space for output data to mbuf */
430 char *odata = rte_pktmbuf_append(m_dst,
431 rte_pktmbuf_data_len(op->sym->m_src));
433 MB_LOG_ERR("failed to allocate space in destination "
434 "mbuf for source data");
435 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
439 memcpy(odata, rte_pktmbuf_mtod(op->sym->m_src, void*),
440 rte_pktmbuf_data_len(op->sym->m_src));
443 m_offset = op->sym->cipher.data.offset;
446 /* Set digest output location */
447 if (job->hash_alg != NULL_HASH &&
448 session->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
449 job->auth_tag_output = (uint8_t *)rte_pktmbuf_append(m_dst,
450 get_digest_byte_length(job->hash_alg));
452 if (job->auth_tag_output == NULL) {
453 MB_LOG_ERR("failed to allocate space in output mbuf "
455 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
459 memset(job->auth_tag_output, 0,
460 sizeof(get_digest_byte_length(job->hash_alg)));
463 job->auth_tag_output = op->sym->auth.digest.data;
467 * Multi-buffer library current only support returning a truncated
468 * digest length as specified in the relevant IPsec RFCs
470 job->auth_tag_output_len_in_bytes =
471 get_truncated_digest_byte_length(job->hash_alg);
473 /* Set IV parameters */
474 job->iv = op->sym->cipher.iv.data;
475 job->iv_len_in_bytes = op->sym->cipher.iv.length;
478 job->src = rte_pktmbuf_mtod(m_src, uint8_t *);
479 job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *, m_offset);
481 job->cipher_start_src_offset_in_bytes = op->sym->cipher.data.offset;
482 job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length;
484 job->hash_start_src_offset_in_bytes = op->sym->auth.data.offset;
485 job->msg_len_to_hash_in_bytes = op->sym->auth.data.length;
487 /* Set user data to be crypto operation data struct */
489 job->user_data2 = m_dst;
495 verify_digest(JOB_AES_HMAC *job, struct rte_crypto_op *op) {
496 struct rte_mbuf *m_dst = (struct rte_mbuf *)job->user_data2;
498 /* Verify digest if required */
499 if (memcmp(job->auth_tag_output, op->sym->auth.digest.data,
500 job->auth_tag_output_len_in_bytes) != 0)
501 op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
503 /* trim area used for digest from mbuf */
504 rte_pktmbuf_trim(m_dst, get_digest_byte_length(job->hash_alg));
508 * Process a completed job and return rte_mbuf which job processed
510 * @param job JOB_AES_HMAC job to process
513 * - Returns processed mbuf which is trimmed of output digest used in
514 * verification of supplied digest in the case of a HASH_CIPHER operation
515 * - Returns NULL on invalid job
517 static inline struct rte_crypto_op *
518 post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
520 struct rte_crypto_op *op = (struct rte_crypto_op *)job->user_data;
522 struct aesni_mb_session *sess;
524 if (unlikely(op->status == RTE_CRYPTO_OP_STATUS_ENQUEUED)) {
525 switch (job->status) {
527 op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
529 if (job->hash_alg != NULL_HASH) {
530 sess = (struct aesni_mb_session *)
531 op->sym->session->_private;
533 if (sess->auth.operation ==
534 RTE_CRYPTO_AUTH_OP_VERIFY)
535 verify_digest(job, op);
539 op->status = RTE_CRYPTO_OP_STATUS_ERROR;
543 /* Free session if a session-less crypto op */
544 if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
545 rte_mempool_put(qp->sess_mp, op->sym->session);
546 op->sym->session = NULL;
553 * Process a completed JOB_AES_HMAC job and keep processing jobs until
554 * get_completed_job return NULL
556 * @param qp Queue Pair to process
557 * @param job JOB_AES_HMAC job
560 * - Number of processed jobs
563 handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job,
564 struct rte_crypto_op **ops, uint16_t nb_ops)
566 struct rte_crypto_op *op = NULL;
567 unsigned processed_jobs = 0;
569 while (job != NULL && processed_jobs < nb_ops) {
570 op = post_process_mb_job(qp, job);
573 ops[processed_jobs++] = op;
574 qp->stats.dequeued_count++;
576 qp->stats.dequeue_err_count++;
580 job = (*qp->op_fns->job.get_completed_job)(&qp->mb_mgr);
583 return processed_jobs;
586 static inline uint16_t
587 flush_mb_mgr(struct aesni_mb_qp *qp, struct rte_crypto_op **ops,
590 int processed_ops = 0;
592 /* Flush the remaining jobs */
593 JOB_AES_HMAC *job = (*qp->op_fns->job.flush_job)(&qp->mb_mgr);
596 processed_ops += handle_completed_jobs(qp, job,
597 &ops[processed_ops], nb_ops - processed_ops);
599 return processed_ops;
602 static inline JOB_AES_HMAC *
603 set_job_null_op(JOB_AES_HMAC *job)
605 job->chain_order = HASH_CIPHER;
606 job->cipher_mode = NULL_CIPHER;
607 job->hash_alg = NULL_HASH;
608 job->cipher_direction = DECRYPT;
614 aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
617 struct aesni_mb_qp *qp = queue_pair;
619 struct rte_crypto_op *op;
622 int retval, processed_jobs = 0;
625 /* Get next operation to process from ingress queue */
626 retval = rte_ring_dequeue(qp->ingress_queue, (void **)&op);
630 /* Get next free mb job struct from mb manager */
631 job = (*qp->op_fns->job.get_next)(&qp->mb_mgr);
632 if (unlikely(job == NULL)) {
633 /* if no free mb job structs we need to flush mb_mgr */
634 processed_jobs += flush_mb_mgr(qp,
635 &ops[processed_jobs],
636 (nb_ops - processed_jobs) - 1);
638 job = (*qp->op_fns->job.get_next)(&qp->mb_mgr);
641 retval = set_mb_job_params(job, qp, op);
642 if (unlikely(retval != 0)) {
643 qp->stats.dequeue_err_count++;
644 set_job_null_op(job);
647 /* Submit job to multi-buffer for processing */
648 job = (*qp->op_fns->job.submit)(&qp->mb_mgr);
651 * If submit returns a processed job then handle it,
652 * before submitting subsequent jobs
655 processed_jobs += handle_completed_jobs(qp, job,
656 &ops[processed_jobs],
657 nb_ops - processed_jobs);
659 } while (processed_jobs < nb_ops);
661 if (processed_jobs < 1)
662 processed_jobs += flush_mb_mgr(qp,
663 &ops[processed_jobs],
664 nb_ops - processed_jobs);
666 return processed_jobs;
669 static int cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev);
672 cryptodev_aesni_mb_create(const char *name,
673 struct rte_vdev_device *vdev,
674 struct rte_crypto_vdev_init_params *init_params)
676 struct rte_cryptodev *dev;
677 struct aesni_mb_private *internals;
678 enum aesni_mb_vector_mode vector_mode;
680 if (init_params->name[0] == '\0')
681 snprintf(init_params->name, sizeof(init_params->name),
684 /* Check CPU for supported vector instruction set */
685 if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
686 vector_mode = RTE_AESNI_MB_AVX512;
687 else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
688 vector_mode = RTE_AESNI_MB_AVX2;
689 else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
690 vector_mode = RTE_AESNI_MB_AVX;
691 else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
692 vector_mode = RTE_AESNI_MB_SSE;
694 MB_LOG_ERR("Vector instructions are not supported by CPU");
698 dev = rte_cryptodev_vdev_pmd_init(init_params->name,
699 sizeof(struct aesni_mb_private), init_params->socket_id,
702 MB_LOG_ERR("failed to create cryptodev vdev");
706 dev->dev_type = RTE_CRYPTODEV_AESNI_MB_PMD;
707 dev->dev_ops = rte_aesni_mb_pmd_ops;
709 /* register rx/tx burst functions for data path */
710 dev->dequeue_burst = aesni_mb_pmd_dequeue_burst;
711 dev->enqueue_burst = aesni_mb_pmd_enqueue_burst;
713 dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
714 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
715 RTE_CRYPTODEV_FF_CPU_AESNI;
717 switch (vector_mode) {
718 case RTE_AESNI_MB_SSE:
719 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
721 case RTE_AESNI_MB_AVX:
722 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
724 case RTE_AESNI_MB_AVX2:
725 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
727 case RTE_AESNI_MB_AVX512:
728 dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX512;
734 /* Set vector instructions mode supported */
735 internals = dev->data->dev_private;
737 internals->vector_mode = vector_mode;
738 internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
739 internals->max_nb_sessions = init_params->max_nb_sessions;
743 MB_LOG_ERR("driver %s: cryptodev_aesni_create failed",
746 cryptodev_aesni_mb_remove(vdev);
751 cryptodev_aesni_mb_probe(struct rte_vdev_device *vdev)
753 struct rte_crypto_vdev_init_params init_params = {
754 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
755 RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_SESSIONS,
760 const char *input_args;
762 name = rte_vdev_device_name(vdev);
765 input_args = rte_vdev_device_args(vdev);
766 rte_cryptodev_vdev_parse_init_params(&init_params, input_args);
768 RTE_LOG(INFO, PMD, "Initialising %s on NUMA node %d\n", name,
769 init_params.socket_id);
770 if (init_params.name[0] != '\0')
771 RTE_LOG(INFO, PMD, " User defined name = %s\n",
773 RTE_LOG(INFO, PMD, " Max number of queue pairs = %d\n",
774 init_params.max_nb_queue_pairs);
775 RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
776 init_params.max_nb_sessions);
778 return cryptodev_aesni_mb_create(name, vdev, &init_params);
782 cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev)
786 name = rte_vdev_device_name(vdev);
790 RTE_LOG(INFO, PMD, "Closing AESNI crypto device %s on numa socket %u\n",
791 name, rte_socket_id());
796 static struct rte_vdev_driver cryptodev_aesni_mb_pmd_drv = {
797 .probe = cryptodev_aesni_mb_probe,
798 .remove = cryptodev_aesni_mb_remove
801 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd_drv);
802 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd);
803 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_MB_PMD,
804 "max_nb_queue_pairs=<int> "
805 "max_nb_sessions=<int> "