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35 #include <rte_common.h>
36 #include <rte_malloc.h>
37 #include <rte_cryptodev_pmd.h>
39 #include "rte_aesni_mb_pmd_private.h"
42 static const struct rte_cryptodev_capabilities aesni_mb_pmd_capabilities[] = {
44 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
46 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
48 .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
65 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
67 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
69 .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
86 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
88 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
90 .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
107 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
109 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
111 .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
128 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
130 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
132 .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
149 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
151 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
153 .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
169 { /* AES XCBC HMAC */
170 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
172 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
174 .algo = RTE_CRYPTO_AUTH_AES_XCBC_MAC,
191 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
193 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
195 .algo = RTE_CRYPTO_CIPHER_AES_CBC,
211 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
213 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
215 .algo = RTE_CRYPTO_CIPHER_AES_CTR,
230 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
234 /** Configure device */
236 aesni_mb_pmd_config(__rte_unused struct rte_cryptodev *dev)
243 aesni_mb_pmd_start(__rte_unused struct rte_cryptodev *dev)
250 aesni_mb_pmd_stop(__rte_unused struct rte_cryptodev *dev)
256 aesni_mb_pmd_close(__rte_unused struct rte_cryptodev *dev)
262 /** Get device statistics */
264 aesni_mb_pmd_stats_get(struct rte_cryptodev *dev,
265 struct rte_cryptodev_stats *stats)
269 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
270 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
272 stats->enqueued_count += qp->stats.enqueued_count;
273 stats->dequeued_count += qp->stats.dequeued_count;
275 stats->enqueue_err_count += qp->stats.enqueue_err_count;
276 stats->dequeue_err_count += qp->stats.dequeue_err_count;
280 /** Reset device statistics */
282 aesni_mb_pmd_stats_reset(struct rte_cryptodev *dev)
286 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
287 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
289 memset(&qp->stats, 0, sizeof(qp->stats));
294 /** Get device info */
296 aesni_mb_pmd_info_get(struct rte_cryptodev *dev,
297 struct rte_cryptodev_info *dev_info)
299 struct aesni_mb_private *internals = dev->data->dev_private;
301 if (dev_info != NULL) {
302 dev_info->dev_type = dev->dev_type;
303 dev_info->feature_flags = dev->feature_flags;
304 dev_info->capabilities = aesni_mb_pmd_capabilities;
305 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
306 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
310 /** Release queue pair */
312 aesni_mb_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
314 if (dev->data->queue_pairs[qp_id] != NULL) {
315 rte_free(dev->data->queue_pairs[qp_id]);
316 dev->data->queue_pairs[qp_id] = NULL;
321 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
323 aesni_mb_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
324 struct aesni_mb_qp *qp)
326 unsigned n = snprintf(qp->name, sizeof(qp->name),
327 "aesni_mb_pmd_%u_qp_%u",
328 dev->data->dev_id, qp->id);
330 if (n > sizeof(qp->name))
336 /** Create a ring to place processed operations on */
337 static struct rte_ring *
338 aesni_mb_pmd_qp_create_processed_ops_ring(struct aesni_mb_qp *qp,
339 unsigned ring_size, int socket_id)
343 r = rte_ring_lookup(qp->name);
345 if (r->prod.size >= ring_size) {
346 MB_LOG_INFO("Reusing existing ring %s for processed ops",
351 MB_LOG_ERR("Unable to reuse existing ring %s for processed ops",
356 return rte_ring_create(qp->name, ring_size, socket_id,
357 RING_F_SP_ENQ | RING_F_SC_DEQ);
360 /** Setup a queue pair */
362 aesni_mb_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
363 const struct rte_cryptodev_qp_conf *qp_conf,
366 struct aesni_mb_qp *qp = NULL;
367 struct aesni_mb_private *internals = dev->data->dev_private;
369 /* Free memory prior to re-allocation if needed. */
370 if (dev->data->queue_pairs[qp_id] != NULL)
371 aesni_mb_pmd_qp_release(dev, qp_id);
373 /* Allocate the queue pair data structure. */
374 qp = rte_zmalloc_socket("AES-NI PMD Queue Pair", sizeof(*qp),
375 RTE_CACHE_LINE_SIZE, socket_id);
380 dev->data->queue_pairs[qp_id] = qp;
382 if (aesni_mb_pmd_qp_set_unique_name(dev, qp))
383 goto qp_setup_cleanup;
385 qp->ops = &job_ops[internals->vector_mode];
387 qp->processed_ops = aesni_mb_pmd_qp_create_processed_ops_ring(qp,
388 qp_conf->nb_descriptors, socket_id);
389 if (qp->processed_ops == NULL)
390 goto qp_setup_cleanup;
392 qp->sess_mp = dev->data->session_pool;
394 memset(&qp->stats, 0, sizeof(qp->stats));
396 /* Initialise multi-buffer manager */
397 (*qp->ops->job.init_mgr)(&qp->mb_mgr);
408 /** Start queue pair */
410 aesni_mb_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
411 __rte_unused uint16_t queue_pair_id)
416 /** Stop queue pair */
418 aesni_mb_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
419 __rte_unused uint16_t queue_pair_id)
424 /** Return the number of allocated queue pairs */
426 aesni_mb_pmd_qp_count(struct rte_cryptodev *dev)
428 return dev->data->nb_queue_pairs;
431 /** Returns the size of the aesni multi-buffer session structure */
433 aesni_mb_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
435 return sizeof(struct aesni_mb_session);
438 /** Configure a aesni multi-buffer session from a crypto xform chain */
440 aesni_mb_pmd_session_configure(struct rte_cryptodev *dev,
441 struct rte_crypto_sym_xform *xform, void *sess)
443 struct aesni_mb_private *internals = dev->data->dev_private;
445 if (unlikely(sess == NULL)) {
446 MB_LOG_ERR("invalid session struct");
450 if (aesni_mb_set_session_parameters(&job_ops[internals->vector_mode],
452 MB_LOG_ERR("failed configure session parameters");
459 /** Clear the memory of session so it doesn't leave key material behind */
461 aesni_mb_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
464 * Current just resetting the whole data structure, need to investigate
465 * whether a more selective reset of key would be more performant
468 memset(sess, 0, sizeof(struct aesni_mb_session));
471 struct rte_cryptodev_ops aesni_mb_pmd_ops = {
472 .dev_configure = aesni_mb_pmd_config,
473 .dev_start = aesni_mb_pmd_start,
474 .dev_stop = aesni_mb_pmd_stop,
475 .dev_close = aesni_mb_pmd_close,
477 .stats_get = aesni_mb_pmd_stats_get,
478 .stats_reset = aesni_mb_pmd_stats_reset,
480 .dev_infos_get = aesni_mb_pmd_info_get,
482 .queue_pair_setup = aesni_mb_pmd_qp_setup,
483 .queue_pair_release = aesni_mb_pmd_qp_release,
484 .queue_pair_start = aesni_mb_pmd_qp_start,
485 .queue_pair_stop = aesni_mb_pmd_qp_stop,
486 .queue_pair_count = aesni_mb_pmd_qp_count,
488 .session_get_size = aesni_mb_pmd_session_get_size,
489 .session_configure = aesni_mb_pmd_session_configure,
490 .session_clear = aesni_mb_pmd_session_clear
493 struct rte_cryptodev_ops *rte_aesni_mb_pmd_ops = &aesni_mb_pmd_ops;