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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,
210 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
214 /** Configure device */
216 aesni_mb_pmd_config(__rte_unused struct rte_cryptodev *dev)
223 aesni_mb_pmd_start(__rte_unused struct rte_cryptodev *dev)
230 aesni_mb_pmd_stop(__rte_unused struct rte_cryptodev *dev)
236 aesni_mb_pmd_close(__rte_unused struct rte_cryptodev *dev)
242 /** Get device statistics */
244 aesni_mb_pmd_stats_get(struct rte_cryptodev *dev,
245 struct rte_cryptodev_stats *stats)
249 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
250 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
252 stats->enqueued_count += qp->stats.enqueued_count;
253 stats->dequeued_count += qp->stats.dequeued_count;
255 stats->enqueue_err_count += qp->stats.enqueue_err_count;
256 stats->dequeue_err_count += qp->stats.dequeue_err_count;
260 /** Reset device statistics */
262 aesni_mb_pmd_stats_reset(struct rte_cryptodev *dev)
266 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
267 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
269 memset(&qp->stats, 0, sizeof(qp->stats));
274 /** Get device info */
276 aesni_mb_pmd_info_get(struct rte_cryptodev *dev,
277 struct rte_cryptodev_info *dev_info)
279 struct aesni_mb_private *internals = dev->data->dev_private;
281 if (dev_info != NULL) {
282 dev_info->dev_type = dev->dev_type;
283 dev_info->feature_flags = dev->feature_flags;
284 dev_info->capabilities = aesni_mb_pmd_capabilities;
285 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
286 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
290 /** Release queue pair */
292 aesni_mb_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
294 if (dev->data->queue_pairs[qp_id] != NULL) {
295 rte_free(dev->data->queue_pairs[qp_id]);
296 dev->data->queue_pairs[qp_id] = NULL;
301 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
303 aesni_mb_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
304 struct aesni_mb_qp *qp)
306 unsigned n = snprintf(qp->name, sizeof(qp->name),
307 "aesni_mb_pmd_%u_qp_%u",
308 dev->data->dev_id, qp->id);
310 if (n > sizeof(qp->name))
316 /** Create a ring to place processed operations on */
317 static struct rte_ring *
318 aesni_mb_pmd_qp_create_processed_ops_ring(struct aesni_mb_qp *qp,
319 unsigned ring_size, int socket_id)
323 r = rte_ring_lookup(qp->name);
325 if (r->prod.size >= ring_size) {
326 MB_LOG_INFO("Reusing existing ring %s for processed ops",
331 MB_LOG_ERR("Unable to reuse existing ring %s for processed ops",
336 return rte_ring_create(qp->name, ring_size, socket_id,
337 RING_F_SP_ENQ | RING_F_SC_DEQ);
340 /** Setup a queue pair */
342 aesni_mb_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
343 const struct rte_cryptodev_qp_conf *qp_conf,
346 struct aesni_mb_qp *qp = NULL;
347 struct aesni_mb_private *internals = dev->data->dev_private;
349 /* Free memory prior to re-allocation if needed. */
350 if (dev->data->queue_pairs[qp_id] != NULL)
351 aesni_mb_pmd_qp_release(dev, qp_id);
353 /* Allocate the queue pair data structure. */
354 qp = rte_zmalloc_socket("AES-NI PMD Queue Pair", sizeof(*qp),
355 RTE_CACHE_LINE_SIZE, socket_id);
360 dev->data->queue_pairs[qp_id] = qp;
362 if (aesni_mb_pmd_qp_set_unique_name(dev, qp))
363 goto qp_setup_cleanup;
365 qp->ops = &job_ops[internals->vector_mode];
367 qp->processed_ops = aesni_mb_pmd_qp_create_processed_ops_ring(qp,
368 qp_conf->nb_descriptors, socket_id);
369 if (qp->processed_ops == NULL)
370 goto qp_setup_cleanup;
372 qp->sess_mp = dev->data->session_pool;
374 memset(&qp->stats, 0, sizeof(qp->stats));
376 /* Initialise multi-buffer manager */
377 (*qp->ops->job.init_mgr)(&qp->mb_mgr);
388 /** Start queue pair */
390 aesni_mb_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
391 __rte_unused uint16_t queue_pair_id)
396 /** Stop queue pair */
398 aesni_mb_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
399 __rte_unused uint16_t queue_pair_id)
404 /** Return the number of allocated queue pairs */
406 aesni_mb_pmd_qp_count(struct rte_cryptodev *dev)
408 return dev->data->nb_queue_pairs;
411 /** Returns the size of the aesni multi-buffer session structure */
413 aesni_mb_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
415 return sizeof(struct aesni_mb_session);
418 /** Configure a aesni multi-buffer session from a crypto xform chain */
420 aesni_mb_pmd_session_configure(struct rte_cryptodev *dev,
421 struct rte_crypto_sym_xform *xform, void *sess)
423 struct aesni_mb_private *internals = dev->data->dev_private;
425 if (unlikely(sess == NULL)) {
426 MB_LOG_ERR("invalid session struct");
430 if (aesni_mb_set_session_parameters(&job_ops[internals->vector_mode],
432 MB_LOG_ERR("failed configure session parameters");
439 /** Clear the memory of session so it doesn't leave key material behind */
441 aesni_mb_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
444 * Current just resetting the whole data structure, need to investigate
445 * whether a more selective reset of key would be more performant
448 memset(sess, 0, sizeof(struct aesni_mb_session));
451 struct rte_cryptodev_ops aesni_mb_pmd_ops = {
452 .dev_configure = aesni_mb_pmd_config,
453 .dev_start = aesni_mb_pmd_start,
454 .dev_stop = aesni_mb_pmd_stop,
455 .dev_close = aesni_mb_pmd_close,
457 .stats_get = aesni_mb_pmd_stats_get,
458 .stats_reset = aesni_mb_pmd_stats_reset,
460 .dev_infos_get = aesni_mb_pmd_info_get,
462 .queue_pair_setup = aesni_mb_pmd_qp_setup,
463 .queue_pair_release = aesni_mb_pmd_qp_release,
464 .queue_pair_start = aesni_mb_pmd_qp_start,
465 .queue_pair_stop = aesni_mb_pmd_qp_stop,
466 .queue_pair_count = aesni_mb_pmd_qp_count,
468 .session_get_size = aesni_mb_pmd_session_get_size,
469 .session_configure = aesni_mb_pmd_session_configure,
470 .session_clear = aesni_mb_pmd_session_clear
473 struct rte_cryptodev_ops *rte_aesni_mb_pmd_ops = &aesni_mb_pmd_ops;