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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 struct aesni_mb_qp
*qp
= dev
->data
->queue_pairs
[qp_id
];
315 struct rte_ring
*r
= NULL
;
318 r
= rte_ring_lookup(qp
->name
);
322 dev
->data
->queue_pairs
[qp_id
] = NULL
;
327 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
329 aesni_mb_pmd_qp_set_unique_name(struct rte_cryptodev
*dev
,
330 struct aesni_mb_qp
*qp
)
332 unsigned n
= snprintf(qp
->name
, sizeof(qp
->name
),
333 "aesni_mb_pmd_%u_qp_%u",
334 dev
->data
->dev_id
, qp
->id
);
336 if (n
> sizeof(qp
->name
))
342 /** Create a ring to place processed operations on */
343 static struct rte_ring
*
344 aesni_mb_pmd_qp_create_processed_ops_ring(struct aesni_mb_qp
*qp
,
345 unsigned ring_size
, int socket_id
)
349 r
= rte_ring_lookup(qp
->name
);
351 if (r
->prod
.size
>= ring_size
) {
352 MB_LOG_INFO("Reusing existing ring %s for processed ops",
357 MB_LOG_ERR("Unable to reuse existing ring %s for processed ops",
362 return rte_ring_create(qp
->name
, ring_size
, socket_id
,
363 RING_F_SP_ENQ
| RING_F_SC_DEQ
);
366 /** Setup a queue pair */
368 aesni_mb_pmd_qp_setup(struct rte_cryptodev
*dev
, uint16_t qp_id
,
369 const struct rte_cryptodev_qp_conf
*qp_conf
,
372 struct aesni_mb_qp
*qp
= NULL
;
373 struct aesni_mb_private
*internals
= dev
->data
->dev_private
;
375 /* Free memory prior to re-allocation if needed. */
376 if (dev
->data
->queue_pairs
[qp_id
] != NULL
)
377 aesni_mb_pmd_qp_release(dev
, qp_id
);
379 /* Allocate the queue pair data structure. */
380 qp
= rte_zmalloc_socket("AES-NI PMD Queue Pair", sizeof(*qp
),
381 RTE_CACHE_LINE_SIZE
, socket_id
);
386 dev
->data
->queue_pairs
[qp_id
] = qp
;
388 if (aesni_mb_pmd_qp_set_unique_name(dev
, qp
))
389 goto qp_setup_cleanup
;
391 qp
->ops
= &job_ops
[internals
->vector_mode
];
393 qp
->processed_ops
= aesni_mb_pmd_qp_create_processed_ops_ring(qp
,
394 qp_conf
->nb_descriptors
, socket_id
);
395 if (qp
->processed_ops
== NULL
)
396 goto qp_setup_cleanup
;
398 qp
->sess_mp
= dev
->data
->session_pool
;
400 memset(&qp
->stats
, 0, sizeof(qp
->stats
));
402 /* Initialise multi-buffer manager */
403 (*qp
->ops
->job
.init_mgr
)(&qp
->mb_mgr
);
414 /** Start queue pair */
416 aesni_mb_pmd_qp_start(__rte_unused
struct rte_cryptodev
*dev
,
417 __rte_unused
uint16_t queue_pair_id
)
422 /** Stop queue pair */
424 aesni_mb_pmd_qp_stop(__rte_unused
struct rte_cryptodev
*dev
,
425 __rte_unused
uint16_t queue_pair_id
)
430 /** Return the number of allocated queue pairs */
432 aesni_mb_pmd_qp_count(struct rte_cryptodev
*dev
)
434 return dev
->data
->nb_queue_pairs
;
437 /** Returns the size of the aesni multi-buffer session structure */
439 aesni_mb_pmd_session_get_size(struct rte_cryptodev
*dev __rte_unused
)
441 return sizeof(struct aesni_mb_session
);
444 /** Configure a aesni multi-buffer session from a crypto xform chain */
446 aesni_mb_pmd_session_configure(struct rte_cryptodev
*dev
,
447 struct rte_crypto_sym_xform
*xform
, void *sess
)
449 struct aesni_mb_private
*internals
= dev
->data
->dev_private
;
451 if (unlikely(sess
== NULL
)) {
452 MB_LOG_ERR("invalid session struct");
456 if (aesni_mb_set_session_parameters(&job_ops
[internals
->vector_mode
],
458 MB_LOG_ERR("failed configure session parameters");
465 /** Clear the memory of session so it doesn't leave key material behind */
467 aesni_mb_pmd_session_clear(struct rte_cryptodev
*dev __rte_unused
, void *sess
)
470 * Current just resetting the whole data structure, need to investigate
471 * whether a more selective reset of key would be more performant
474 memset(sess
, 0, sizeof(struct aesni_mb_session
));
477 struct rte_cryptodev_ops aesni_mb_pmd_ops
= {
478 .dev_configure
= aesni_mb_pmd_config
,
479 .dev_start
= aesni_mb_pmd_start
,
480 .dev_stop
= aesni_mb_pmd_stop
,
481 .dev_close
= aesni_mb_pmd_close
,
483 .stats_get
= aesni_mb_pmd_stats_get
,
484 .stats_reset
= aesni_mb_pmd_stats_reset
,
486 .dev_infos_get
= aesni_mb_pmd_info_get
,
488 .queue_pair_setup
= aesni_mb_pmd_qp_setup
,
489 .queue_pair_release
= aesni_mb_pmd_qp_release
,
490 .queue_pair_start
= aesni_mb_pmd_qp_start
,
491 .queue_pair_stop
= aesni_mb_pmd_qp_stop
,
492 .queue_pair_count
= aesni_mb_pmd_qp_count
,
494 .session_get_size
= aesni_mb_pmd_session_get_size
,
495 .session_configure
= aesni_mb_pmd_session_configure
,
496 .session_clear
= aesni_mb_pmd_session_clear
499 struct rte_cryptodev_ops
*rte_aesni_mb_pmd_ops
= &aesni_mb_pmd_ops
;