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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 { /* AES DOCSIS BPI */
231 .op
= RTE_CRYPTO_OP_TYPE_SYMMETRIC
,
233 .xform_type
= RTE_CRYPTO_SYM_XFORM_CIPHER
,
235 .algo
= RTE_CRYPTO_CIPHER_AES_DOCSISBPI
,
251 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
255 /** Configure device */
257 aesni_mb_pmd_config(__rte_unused
struct rte_cryptodev
*dev
,
258 __rte_unused
struct rte_cryptodev_config
*config
)
265 aesni_mb_pmd_start(__rte_unused
struct rte_cryptodev
*dev
)
272 aesni_mb_pmd_stop(__rte_unused
struct rte_cryptodev
*dev
)
278 aesni_mb_pmd_close(__rte_unused
struct rte_cryptodev
*dev
)
284 /** Get device statistics */
286 aesni_mb_pmd_stats_get(struct rte_cryptodev
*dev
,
287 struct rte_cryptodev_stats
*stats
)
291 for (qp_id
= 0; qp_id
< dev
->data
->nb_queue_pairs
; qp_id
++) {
292 struct aesni_mb_qp
*qp
= dev
->data
->queue_pairs
[qp_id
];
294 stats
->enqueued_count
+= qp
->stats
.enqueued_count
;
295 stats
->dequeued_count
+= qp
->stats
.dequeued_count
;
297 stats
->enqueue_err_count
+= qp
->stats
.enqueue_err_count
;
298 stats
->dequeue_err_count
+= qp
->stats
.dequeue_err_count
;
302 /** Reset device statistics */
304 aesni_mb_pmd_stats_reset(struct rte_cryptodev
*dev
)
308 for (qp_id
= 0; qp_id
< dev
->data
->nb_queue_pairs
; qp_id
++) {
309 struct aesni_mb_qp
*qp
= dev
->data
->queue_pairs
[qp_id
];
311 memset(&qp
->stats
, 0, sizeof(qp
->stats
));
316 /** Get device info */
318 aesni_mb_pmd_info_get(struct rte_cryptodev
*dev
,
319 struct rte_cryptodev_info
*dev_info
)
321 struct aesni_mb_private
*internals
= dev
->data
->dev_private
;
323 if (dev_info
!= NULL
) {
324 dev_info
->dev_type
= dev
->dev_type
;
325 dev_info
->feature_flags
= dev
->feature_flags
;
326 dev_info
->capabilities
= aesni_mb_pmd_capabilities
;
327 dev_info
->max_nb_queue_pairs
= internals
->max_nb_queue_pairs
;
328 dev_info
->sym
.max_nb_sessions
= internals
->max_nb_sessions
;
332 /** Release queue pair */
334 aesni_mb_pmd_qp_release(struct rte_cryptodev
*dev
, uint16_t qp_id
)
336 struct aesni_mb_qp
*qp
= dev
->data
->queue_pairs
[qp_id
];
337 struct rte_ring
*r
= NULL
;
340 r
= rte_ring_lookup(qp
->name
);
344 dev
->data
->queue_pairs
[qp_id
] = NULL
;
349 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
351 aesni_mb_pmd_qp_set_unique_name(struct rte_cryptodev
*dev
,
352 struct aesni_mb_qp
*qp
)
354 unsigned n
= snprintf(qp
->name
, sizeof(qp
->name
),
355 "aesni_mb_pmd_%u_qp_%u",
356 dev
->data
->dev_id
, qp
->id
);
358 if (n
> sizeof(qp
->name
))
364 /** Create a ring to place processed operations on */
365 static struct rte_ring
*
366 aesni_mb_pmd_qp_create_processed_ops_ring(struct aesni_mb_qp
*qp
,
367 const char *str
, unsigned int ring_size
, int socket_id
)
370 char ring_name
[RTE_CRYPTODEV_NAME_LEN
];
372 unsigned int n
= snprintf(ring_name
, sizeof(ring_name
),
376 if (n
> sizeof(ring_name
))
379 r
= rte_ring_lookup(ring_name
);
381 if (rte_ring_get_size(r
) >= ring_size
) {
382 MB_LOG_INFO("Reusing existing ring %s for processed ops",
387 MB_LOG_ERR("Unable to reuse existing ring %s for processed ops",
392 return rte_ring_create(ring_name
, ring_size
, socket_id
,
393 RING_F_SP_ENQ
| RING_F_SC_DEQ
);
396 /** Setup a queue pair */
398 aesni_mb_pmd_qp_setup(struct rte_cryptodev
*dev
, uint16_t qp_id
,
399 const struct rte_cryptodev_qp_conf
*qp_conf
,
402 struct aesni_mb_qp
*qp
= NULL
;
403 struct aesni_mb_private
*internals
= dev
->data
->dev_private
;
405 /* Free memory prior to re-allocation if needed. */
406 if (dev
->data
->queue_pairs
[qp_id
] != NULL
)
407 aesni_mb_pmd_qp_release(dev
, qp_id
);
409 /* Allocate the queue pair data structure. */
410 qp
= rte_zmalloc_socket("AES-NI PMD Queue Pair", sizeof(*qp
),
411 RTE_CACHE_LINE_SIZE
, socket_id
);
416 dev
->data
->queue_pairs
[qp_id
] = qp
;
418 if (aesni_mb_pmd_qp_set_unique_name(dev
, qp
))
419 goto qp_setup_cleanup
;
422 qp
->op_fns
= &job_ops
[internals
->vector_mode
];
424 qp
->ingress_queue
= aesni_mb_pmd_qp_create_processed_ops_ring(qp
,
425 "ingress", qp_conf
->nb_descriptors
, socket_id
);
426 if (qp
->ingress_queue
== NULL
)
427 goto qp_setup_cleanup
;
429 qp
->sess_mp
= dev
->data
->session_pool
;
431 memset(&qp
->stats
, 0, sizeof(qp
->stats
));
433 /* Initialise multi-buffer manager */
434 (*qp
->op_fns
->job
.init_mgr
)(&qp
->mb_mgr
);
444 /** Start queue pair */
446 aesni_mb_pmd_qp_start(__rte_unused
struct rte_cryptodev
*dev
,
447 __rte_unused
uint16_t queue_pair_id
)
452 /** Stop queue pair */
454 aesni_mb_pmd_qp_stop(__rte_unused
struct rte_cryptodev
*dev
,
455 __rte_unused
uint16_t queue_pair_id
)
460 /** Return the number of allocated queue pairs */
462 aesni_mb_pmd_qp_count(struct rte_cryptodev
*dev
)
464 return dev
->data
->nb_queue_pairs
;
467 /** Returns the size of the aesni multi-buffer session structure */
469 aesni_mb_pmd_session_get_size(struct rte_cryptodev
*dev __rte_unused
)
471 return sizeof(struct aesni_mb_session
);
474 /** Configure a aesni multi-buffer session from a crypto xform chain */
476 aesni_mb_pmd_session_configure(struct rte_cryptodev
*dev
,
477 struct rte_crypto_sym_xform
*xform
, void *sess
)
479 struct aesni_mb_private
*internals
= dev
->data
->dev_private
;
481 if (unlikely(sess
== NULL
)) {
482 MB_LOG_ERR("invalid session struct");
486 if (aesni_mb_set_session_parameters(&job_ops
[internals
->vector_mode
],
488 MB_LOG_ERR("failed configure session parameters");
495 /** Clear the memory of session so it doesn't leave key material behind */
497 aesni_mb_pmd_session_clear(struct rte_cryptodev
*dev __rte_unused
, void *sess
)
500 * Current just resetting the whole data structure, need to investigate
501 * whether a more selective reset of key would be more performant
504 memset(sess
, 0, sizeof(struct aesni_mb_session
));
507 struct rte_cryptodev_ops aesni_mb_pmd_ops
= {
508 .dev_configure
= aesni_mb_pmd_config
,
509 .dev_start
= aesni_mb_pmd_start
,
510 .dev_stop
= aesni_mb_pmd_stop
,
511 .dev_close
= aesni_mb_pmd_close
,
513 .stats_get
= aesni_mb_pmd_stats_get
,
514 .stats_reset
= aesni_mb_pmd_stats_reset
,
516 .dev_infos_get
= aesni_mb_pmd_info_get
,
518 .queue_pair_setup
= aesni_mb_pmd_qp_setup
,
519 .queue_pair_release
= aesni_mb_pmd_qp_release
,
520 .queue_pair_start
= aesni_mb_pmd_qp_start
,
521 .queue_pair_stop
= aesni_mb_pmd_qp_stop
,
522 .queue_pair_count
= aesni_mb_pmd_qp_count
,
524 .session_get_size
= aesni_mb_pmd_session_get_size
,
525 .session_configure
= aesni_mb_pmd_session_configure
,
526 .session_clear
= aesni_mb_pmd_session_clear
529 struct rte_cryptodev_ops
*rte_aesni_mb_pmd_ops
= &aesni_mb_pmd_ops
;