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35 #include <rte_common.h>
36 #include <rte_malloc.h>
37 #include <rte_cryptodev_pmd.h>
39 #include "rte_kasumi_pmd_private.h"
41 static const struct rte_cryptodev_capabilities kasumi_pmd_capabilities[] = {
43 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
45 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
47 .algo = RTE_CRYPTO_AUTH_KASUMI_F9,
68 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
70 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
72 .algo = RTE_CRYPTO_CIPHER_KASUMI_F8,
87 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
90 /** Configure device */
92 kasumi_pmd_config(__rte_unused struct rte_cryptodev *dev)
99 kasumi_pmd_start(__rte_unused struct rte_cryptodev *dev)
106 kasumi_pmd_stop(__rte_unused struct rte_cryptodev *dev)
112 kasumi_pmd_close(__rte_unused struct rte_cryptodev *dev)
118 /** Get device statistics */
120 kasumi_pmd_stats_get(struct rte_cryptodev *dev,
121 struct rte_cryptodev_stats *stats)
125 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
126 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
128 stats->enqueued_count += qp->qp_stats.enqueued_count;
129 stats->dequeued_count += qp->qp_stats.dequeued_count;
131 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
132 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
136 /** Reset device statistics */
138 kasumi_pmd_stats_reset(struct rte_cryptodev *dev)
142 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
143 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
145 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
150 /** Get device info */
152 kasumi_pmd_info_get(struct rte_cryptodev *dev,
153 struct rte_cryptodev_info *dev_info)
155 struct kasumi_private *internals = dev->data->dev_private;
157 if (dev_info != NULL) {
158 dev_info->dev_type = dev->dev_type;
159 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
160 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
161 dev_info->feature_flags = dev->feature_flags;
162 dev_info->capabilities = kasumi_pmd_capabilities;
166 /** Release queue pair */
168 kasumi_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
170 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
173 rte_ring_free(qp->processed_ops);
175 dev->data->queue_pairs[qp_id] = NULL;
180 /** set a unique name for the queue pair based on its name, dev_id and qp_id */
182 kasumi_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
183 struct kasumi_qp *qp)
185 unsigned n = snprintf(qp->name, sizeof(qp->name),
186 "kasumi_pmd_%u_qp_%u",
187 dev->data->dev_id, qp->id);
189 if (n > sizeof(qp->name))
195 /** Create a ring to place processed ops on */
196 static struct rte_ring *
197 kasumi_pmd_qp_create_processed_ops_ring(struct kasumi_qp *qp,
198 unsigned ring_size, int socket_id)
202 r = rte_ring_lookup(qp->name);
204 if (r->prod.size == ring_size) {
205 KASUMI_LOG_INFO("Reusing existing ring %s"
206 " for processed packets",
211 KASUMI_LOG_ERR("Unable to reuse existing ring %s"
212 " for processed packets",
217 return rte_ring_create(qp->name, ring_size, socket_id,
218 RING_F_SP_ENQ | RING_F_SC_DEQ);
221 /** Setup a queue pair */
223 kasumi_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
224 const struct rte_cryptodev_qp_conf *qp_conf,
227 struct kasumi_qp *qp = NULL;
229 /* Free memory prior to re-allocation if needed. */
230 if (dev->data->queue_pairs[qp_id] != NULL)
231 kasumi_pmd_qp_release(dev, qp_id);
233 /* Allocate the queue pair data structure. */
234 qp = rte_zmalloc_socket("KASUMI PMD Queue Pair", sizeof(*qp),
235 RTE_CACHE_LINE_SIZE, socket_id);
240 dev->data->queue_pairs[qp_id] = qp;
242 if (kasumi_pmd_qp_set_unique_name(dev, qp))
243 goto qp_setup_cleanup;
245 qp->processed_ops = kasumi_pmd_qp_create_processed_ops_ring(qp,
246 qp_conf->nb_descriptors, socket_id);
247 if (qp->processed_ops == NULL)
248 goto qp_setup_cleanup;
250 qp->sess_mp = dev->data->session_pool;
252 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
262 /** Start queue pair */
264 kasumi_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
265 __rte_unused uint16_t queue_pair_id)
270 /** Stop queue pair */
272 kasumi_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
273 __rte_unused uint16_t queue_pair_id)
278 /** Return the number of allocated queue pairs */
280 kasumi_pmd_qp_count(struct rte_cryptodev *dev)
282 return dev->data->nb_queue_pairs;
285 /** Returns the size of the KASUMI session structure */
287 kasumi_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
289 return sizeof(struct kasumi_session);
292 /** Configure a KASUMI session from a crypto xform chain */
294 kasumi_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
295 struct rte_crypto_sym_xform *xform, void *sess)
297 if (unlikely(sess == NULL)) {
298 KASUMI_LOG_ERR("invalid session struct");
302 if (kasumi_set_session_parameters(sess, xform) != 0) {
303 KASUMI_LOG_ERR("failed configure session parameters");
310 /** Clear the memory of session so it doesn't leave key material behind */
312 kasumi_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
315 * Current just resetting the whole data structure, need to investigate
316 * whether a more selective reset of key would be more performant
319 memset(sess, 0, sizeof(struct kasumi_session));
322 struct rte_cryptodev_ops kasumi_pmd_ops = {
323 .dev_configure = kasumi_pmd_config,
324 .dev_start = kasumi_pmd_start,
325 .dev_stop = kasumi_pmd_stop,
326 .dev_close = kasumi_pmd_close,
328 .stats_get = kasumi_pmd_stats_get,
329 .stats_reset = kasumi_pmd_stats_reset,
331 .dev_infos_get = kasumi_pmd_info_get,
333 .queue_pair_setup = kasumi_pmd_qp_setup,
334 .queue_pair_release = kasumi_pmd_qp_release,
335 .queue_pair_start = kasumi_pmd_qp_start,
336 .queue_pair_stop = kasumi_pmd_qp_stop,
337 .queue_pair_count = kasumi_pmd_qp_count,
339 .session_get_size = kasumi_pmd_session_get_size,
340 .session_configure = kasumi_pmd_session_configure,
341 .session_clear = kasumi_pmd_session_clear
344 struct rte_cryptodev_ops *rte_kasumi_pmd_ops = &kasumi_pmd_ops;