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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"
41 /** Configure device */
43 aesni_mb_pmd_config(__rte_unused struct rte_cryptodev *dev)
50 aesni_mb_pmd_start(__rte_unused struct rte_cryptodev *dev)
57 aesni_mb_pmd_stop(__rte_unused struct rte_cryptodev *dev)
63 aesni_mb_pmd_close(__rte_unused struct rte_cryptodev *dev)
69 /** Get device statistics */
71 aesni_mb_pmd_stats_get(struct rte_cryptodev *dev,
72 struct rte_cryptodev_stats *stats)
76 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
77 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
79 stats->enqueued_count += qp->qp_stats.enqueued_count;
80 stats->dequeued_count += qp->qp_stats.dequeued_count;
82 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
83 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
87 /** Reset device statistics */
89 aesni_mb_pmd_stats_reset(struct rte_cryptodev *dev)
93 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
94 struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
96 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
101 /** Get device info */
103 aesni_mb_pmd_info_get(struct rte_cryptodev *dev,
104 struct rte_cryptodev_info *dev_info)
106 struct aesni_mb_private *internals = dev->data->dev_private;
108 if (dev_info != NULL) {
109 dev_info->dev_type = dev->dev_type;
110 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
111 dev_info->max_nb_sessions = internals->max_nb_sessions;
115 /** Release queue pair */
117 aesni_mb_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
119 if (dev->data->queue_pairs[qp_id] != NULL) {
120 rte_free(dev->data->queue_pairs[qp_id]);
121 dev->data->queue_pairs[qp_id] = NULL;
126 /** set a unique name for the queue pair based on it's name, dev_id and qp_id */
128 aesni_mb_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
129 struct aesni_mb_qp *qp)
131 unsigned n = snprintf(qp->name, sizeof(qp->name),
132 "aesni_mb_pmd_%u_qp_%u",
133 dev->data->dev_id, qp->id);
135 if (n > sizeof(qp->name))
141 /** Create a ring to place process packets on */
142 static struct rte_ring *
143 aesni_mb_pmd_qp_create_processed_pkts_ring(struct aesni_mb_qp *qp,
144 unsigned ring_size, int socket_id)
148 r = rte_ring_lookup(qp->name);
150 if (r->prod.size >= ring_size) {
151 MB_LOG_INFO("Reusing existing ring %s for processed packets",
156 MB_LOG_ERR("Unable to reuse existing ring %s for processed packets",
161 return rte_ring_create(qp->name, ring_size, socket_id,
162 RING_F_SP_ENQ | RING_F_SC_DEQ);
165 /** Setup a queue pair */
167 aesni_mb_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
168 const struct rte_cryptodev_qp_conf *qp_conf,
171 struct aesni_mb_qp *qp = NULL;
172 struct aesni_mb_private *internals = dev->data->dev_private;
174 /* Free memory prior to re-allocation if needed. */
175 if (dev->data->queue_pairs[qp_id] != NULL)
176 aesni_mb_pmd_qp_release(dev, qp_id);
178 /* Allocate the queue pair data structure. */
179 qp = rte_zmalloc_socket("AES-NI PMD Queue Pair", sizeof(*qp),
180 RTE_CACHE_LINE_SIZE, socket_id);
185 dev->data->queue_pairs[qp_id] = qp;
187 if (aesni_mb_pmd_qp_set_unique_name(dev, qp))
188 goto qp_setup_cleanup;
190 qp->ops = &job_ops[internals->vector_mode];
192 qp->processed_pkts = aesni_mb_pmd_qp_create_processed_pkts_ring(qp,
193 qp_conf->nb_descriptors, socket_id);
194 if (qp->processed_pkts == NULL)
195 goto qp_setup_cleanup;
197 qp->sess_mp = dev->data->session_pool;
199 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
201 /* Initialise multi-buffer manager */
202 (*qp->ops->job.init_mgr)(&qp->mb_mgr);
213 /** Start queue pair */
215 aesni_mb_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
216 __rte_unused uint16_t queue_pair_id)
221 /** Stop queue pair */
223 aesni_mb_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
224 __rte_unused uint16_t queue_pair_id)
229 /** Return the number of allocated queue pairs */
231 aesni_mb_pmd_qp_count(struct rte_cryptodev *dev)
233 return dev->data->nb_queue_pairs;
236 /** Returns the size of the aesni multi-buffer session structure */
238 aesni_mb_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
240 return sizeof(struct aesni_mb_session);
243 /** Configure a aesni multi-buffer session from a crypto xform chain */
245 aesni_mb_pmd_session_configure(struct rte_cryptodev *dev,
246 struct rte_crypto_xform *xform, void *sess)
248 struct aesni_mb_private *internals = dev->data->dev_private;
250 if (unlikely(sess == NULL)) {
251 MB_LOG_ERR("invalid session struct");
255 if (aesni_mb_set_session_parameters(&job_ops[internals->vector_mode],
257 MB_LOG_ERR("failed configure session parameters");
264 /** Clear the memory of session so it doesn't leave key material behind */
266 aesni_mb_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
269 * Current just resetting the whole data structure, need to investigate
270 * whether a more selective reset of key would be more performant
273 memset(sess, 0, sizeof(struct aesni_mb_session));
276 struct rte_cryptodev_ops aesni_mb_pmd_ops = {
277 .dev_configure = aesni_mb_pmd_config,
278 .dev_start = aesni_mb_pmd_start,
279 .dev_stop = aesni_mb_pmd_stop,
280 .dev_close = aesni_mb_pmd_close,
282 .stats_get = aesni_mb_pmd_stats_get,
283 .stats_reset = aesni_mb_pmd_stats_reset,
285 .dev_infos_get = aesni_mb_pmd_info_get,
287 .queue_pair_setup = aesni_mb_pmd_qp_setup,
288 .queue_pair_release = aesni_mb_pmd_qp_release,
289 .queue_pair_start = aesni_mb_pmd_qp_start,
290 .queue_pair_stop = aesni_mb_pmd_qp_stop,
291 .queue_pair_count = aesni_mb_pmd_qp_count,
293 .session_get_size = aesni_mb_pmd_session_get_size,
294 .session_configure = aesni_mb_pmd_session_configure,
295 .session_clear = aesni_mb_pmd_session_clear
298 struct rte_cryptodev_ops *rte_aesni_mb_pmd_ops = &aesni_mb_pmd_ops;