1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2015-2017 Intel Corporation
7 #include <rte_common.h>
8 #include <rte_malloc.h>
9 #include <rte_cryptodev_pmd.h>
11 #include "rte_aesni_mb_pmd_private.h"
14 static const struct rte_cryptodev_capabilities aesni_mb_pmd_capabilities[] = {
16 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
18 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
20 .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
37 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
39 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
41 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
58 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
60 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
62 .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
79 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
81 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
83 .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
100 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
102 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
104 .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
121 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
123 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
125 .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
141 { /* AES XCBC HMAC */
142 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
144 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
146 .algo = RTE_CRYPTO_AUTH_AES_XCBC_MAC,
163 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
165 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
167 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
183 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
185 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
187 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
202 { /* AES DOCSIS BPI */
203 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
205 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
207 .algo = RTE_CRYPTO_CIPHER_AES_DOCSISBPI,
223 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
225 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
227 .algo = RTE_CRYPTO_CIPHER_DES_CBC,
242 { /* DES DOCSIS BPI */
243 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
245 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
247 .algo = RTE_CRYPTO_CIPHER_DES_DOCSISBPI,
263 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
265 .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
267 .algo = RTE_CRYPTO_AEAD_AES_CCM,
293 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
295 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
297 .algo = RTE_CRYPTO_AUTH_AES_CMAC,
313 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
317 /** Configure device */
319 aesni_mb_pmd_config(__rte_unused struct rte_cryptodev *dev,
320 __rte_unused struct rte_cryptodev_config *config)
327 aesni_mb_pmd_start(__rte_unused struct rte_cryptodev *dev)
334 aesni_mb_pmd_stop(__rte_unused struct rte_cryptodev *dev)
340 aesni_mb_pmd_close(__rte_unused struct rte_cryptodev *dev)
346 /** Get device statistics */
348 aesni_mb_pmd_stats_get(struct rte_cryptodev *dev,
349 struct rte_cryptodev_stats *stats)
353 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
354 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
356 stats->enqueued_count += qp->stats.enqueued_count;
357 stats->dequeued_count += qp->stats.dequeued_count;
359 stats->enqueue_err_count += qp->stats.enqueue_err_count;
360 stats->dequeue_err_count += qp->stats.dequeue_err_count;
364 /** Reset device statistics */
366 aesni_mb_pmd_stats_reset(struct rte_cryptodev *dev)
370 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
371 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
373 memset(&qp->stats, 0, sizeof(qp->stats));
378 /** Get device info */
380 aesni_mb_pmd_info_get(struct rte_cryptodev *dev,
381 struct rte_cryptodev_info *dev_info)
383 struct aesni_mb_private *internals = dev->data->dev_private;
385 if (dev_info != NULL) {
386 dev_info->driver_id = dev->driver_id;
387 dev_info->feature_flags = dev->feature_flags;
388 dev_info->capabilities = aesni_mb_pmd_capabilities;
389 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
390 /* No limit of number of sessions */
391 dev_info->sym.max_nb_sessions = 0;
395 /** Release queue pair */
397 aesni_mb_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
399 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
400 struct rte_ring *r = NULL;
403 r = rte_ring_lookup(qp->name);
407 dev->data->queue_pairs[qp_id] = NULL;
412 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
414 aesni_mb_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
415 struct aesni_mb_qp *qp)
417 unsigned n = snprintf(qp->name, sizeof(qp->name),
418 "aesni_mb_pmd_%u_qp_%u",
419 dev->data->dev_id, qp->id);
421 if (n >= sizeof(qp->name))
427 /** Create a ring to place processed operations on */
428 static struct rte_ring *
429 aesni_mb_pmd_qp_create_processed_ops_ring(struct aesni_mb_qp *qp,
430 const char *str, unsigned int ring_size, int socket_id)
433 char ring_name[RTE_CRYPTODEV_NAME_MAX_LEN];
435 unsigned int n = snprintf(ring_name, sizeof(ring_name),
439 if (n >= sizeof(ring_name))
442 r = rte_ring_lookup(ring_name);
444 if (rte_ring_get_size(r) >= ring_size) {
445 AESNI_MB_LOG(INFO, "Reusing existing ring %s for processed ops",
450 AESNI_MB_LOG(ERR, "Unable to reuse existing ring %s for processed ops",
455 return rte_ring_create(ring_name, ring_size, socket_id,
456 RING_F_SP_ENQ | RING_F_SC_DEQ);
459 /** Setup a queue pair */
461 aesni_mb_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
462 const struct rte_cryptodev_qp_conf *qp_conf,
463 int socket_id, struct rte_mempool *session_pool)
465 struct aesni_mb_qp *qp = NULL;
466 struct aesni_mb_private *internals = dev->data->dev_private;
468 /* Free memory prior to re-allocation if needed. */
469 if (dev->data->queue_pairs[qp_id] != NULL)
470 aesni_mb_pmd_qp_release(dev, qp_id);
472 /* Allocate the queue pair data structure. */
473 qp = rte_zmalloc_socket("AES-NI PMD Queue Pair", sizeof(*qp),
474 RTE_CACHE_LINE_SIZE, socket_id);
479 dev->data->queue_pairs[qp_id] = qp;
481 if (aesni_mb_pmd_qp_set_unique_name(dev, qp))
482 goto qp_setup_cleanup;
485 qp->op_fns = &job_ops[internals->vector_mode];
487 qp->ingress_queue = aesni_mb_pmd_qp_create_processed_ops_ring(qp,
488 "ingress", qp_conf->nb_descriptors, socket_id);
489 if (qp->ingress_queue == NULL)
490 goto qp_setup_cleanup;
492 qp->sess_mp = session_pool;
494 memset(&qp->stats, 0, sizeof(qp->stats));
496 char mp_name[RTE_MEMPOOL_NAMESIZE];
498 snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
499 "digest_mp_%u_%u", dev->data->dev_id, qp_id);
501 /* Initialise multi-buffer manager */
502 (*qp->op_fns->job.init_mgr)(&qp->mb_mgr);
512 /** Return the number of allocated queue pairs */
514 aesni_mb_pmd_qp_count(struct rte_cryptodev *dev)
516 return dev->data->nb_queue_pairs;
519 /** Returns the size of the aesni multi-buffer session structure */
521 aesni_mb_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
523 return sizeof(struct aesni_mb_session);
526 /** Configure a aesni multi-buffer session from a crypto xform chain */
528 aesni_mb_pmd_sym_session_configure(struct rte_cryptodev *dev,
529 struct rte_crypto_sym_xform *xform,
530 struct rte_cryptodev_sym_session *sess,
531 struct rte_mempool *mempool)
533 void *sess_private_data;
534 struct aesni_mb_private *internals = dev->data->dev_private;
537 if (unlikely(sess == NULL)) {
538 AESNI_MB_LOG(ERR, "invalid session struct");
542 if (rte_mempool_get(mempool, &sess_private_data)) {
544 "Couldn't get object from session mempool");
548 ret = aesni_mb_set_session_parameters(&job_ops[internals->vector_mode],
549 sess_private_data, xform);
551 AESNI_MB_LOG(ERR, "failed configure session parameters");
553 /* Return session to mempool */
554 rte_mempool_put(mempool, sess_private_data);
558 set_sym_session_private_data(sess, dev->driver_id,
564 /** Clear the memory of session so it doesn't leave key material behind */
566 aesni_mb_pmd_sym_session_clear(struct rte_cryptodev *dev,
567 struct rte_cryptodev_sym_session *sess)
569 uint8_t index = dev->driver_id;
570 void *sess_priv = get_sym_session_private_data(sess, index);
572 /* Zero out the whole structure */
574 memset(sess_priv, 0, sizeof(struct aesni_mb_session));
575 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
576 set_sym_session_private_data(sess, index, NULL);
577 rte_mempool_put(sess_mp, sess_priv);
581 struct rte_cryptodev_ops aesni_mb_pmd_ops = {
582 .dev_configure = aesni_mb_pmd_config,
583 .dev_start = aesni_mb_pmd_start,
584 .dev_stop = aesni_mb_pmd_stop,
585 .dev_close = aesni_mb_pmd_close,
587 .stats_get = aesni_mb_pmd_stats_get,
588 .stats_reset = aesni_mb_pmd_stats_reset,
590 .dev_infos_get = aesni_mb_pmd_info_get,
592 .queue_pair_setup = aesni_mb_pmd_qp_setup,
593 .queue_pair_release = aesni_mb_pmd_qp_release,
594 .queue_pair_count = aesni_mb_pmd_qp_count,
596 .sym_session_get_size = aesni_mb_pmd_sym_session_get_size,
597 .sym_session_configure = aesni_mb_pmd_sym_session_configure,
598 .sym_session_clear = aesni_mb_pmd_sym_session_clear
601 struct rte_cryptodev_ops *rte_aesni_mb_pmd_ops = &aesni_mb_pmd_ops;