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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,
93 __rte_unused struct rte_cryptodev_config *config)
100 kasumi_pmd_start(__rte_unused struct rte_cryptodev *dev)
107 kasumi_pmd_stop(__rte_unused struct rte_cryptodev *dev)
113 kasumi_pmd_close(__rte_unused struct rte_cryptodev *dev)
119 /** Get device statistics */
121 kasumi_pmd_stats_get(struct rte_cryptodev *dev,
122 struct rte_cryptodev_stats *stats)
126 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
127 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
129 stats->enqueued_count += qp->qp_stats.enqueued_count;
130 stats->dequeued_count += qp->qp_stats.dequeued_count;
132 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
133 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
137 /** Reset device statistics */
139 kasumi_pmd_stats_reset(struct rte_cryptodev *dev)
143 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
144 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
146 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
151 /** Get device info */
153 kasumi_pmd_info_get(struct rte_cryptodev *dev,
154 struct rte_cryptodev_info *dev_info)
156 struct kasumi_private *internals = dev->data->dev_private;
158 if (dev_info != NULL) {
159 dev_info->driver_id = dev->driver_id;
160 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
161 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
162 dev_info->feature_flags = dev->feature_flags;
163 dev_info->capabilities = kasumi_pmd_capabilities;
167 /** Release queue pair */
169 kasumi_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
171 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
174 rte_ring_free(qp->processed_ops);
176 dev->data->queue_pairs[qp_id] = NULL;
181 /** set a unique name for the queue pair based on its name, dev_id and qp_id */
183 kasumi_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
184 struct kasumi_qp *qp)
186 unsigned n = snprintf(qp->name, sizeof(qp->name),
187 "kasumi_pmd_%u_qp_%u",
188 dev->data->dev_id, qp->id);
190 if (n > sizeof(qp->name))
196 /** Create a ring to place processed ops on */
197 static struct rte_ring *
198 kasumi_pmd_qp_create_processed_ops_ring(struct kasumi_qp *qp,
199 unsigned ring_size, int socket_id)
203 r = rte_ring_lookup(qp->name);
205 if (rte_ring_get_size(r) == ring_size) {
206 KASUMI_LOG_INFO("Reusing existing ring %s"
207 " for processed packets",
212 KASUMI_LOG_ERR("Unable to reuse existing ring %s"
213 " for processed packets",
218 return rte_ring_create(qp->name, ring_size, socket_id,
219 RING_F_SP_ENQ | RING_F_SC_DEQ);
222 /** Setup a queue pair */
224 kasumi_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
225 const struct rte_cryptodev_qp_conf *qp_conf,
226 int socket_id, struct rte_mempool *session_pool)
228 struct kasumi_qp *qp = NULL;
230 /* Free memory prior to re-allocation if needed. */
231 if (dev->data->queue_pairs[qp_id] != NULL)
232 kasumi_pmd_qp_release(dev, qp_id);
234 /* Allocate the queue pair data structure. */
235 qp = rte_zmalloc_socket("KASUMI PMD Queue Pair", sizeof(*qp),
236 RTE_CACHE_LINE_SIZE, socket_id);
241 dev->data->queue_pairs[qp_id] = qp;
243 if (kasumi_pmd_qp_set_unique_name(dev, qp))
244 goto qp_setup_cleanup;
246 qp->processed_ops = kasumi_pmd_qp_create_processed_ops_ring(qp,
247 qp_conf->nb_descriptors, socket_id);
248 if (qp->processed_ops == NULL)
249 goto qp_setup_cleanup;
251 qp->sess_mp = session_pool;
253 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
263 /** Start queue pair */
265 kasumi_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
266 __rte_unused uint16_t queue_pair_id)
271 /** Stop queue pair */
273 kasumi_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
274 __rte_unused uint16_t queue_pair_id)
279 /** Return the number of allocated queue pairs */
281 kasumi_pmd_qp_count(struct rte_cryptodev *dev)
283 return dev->data->nb_queue_pairs;
286 /** Returns the size of the KASUMI session structure */
288 kasumi_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
290 return sizeof(struct kasumi_session);
293 /** Configure a KASUMI session from a crypto xform chain */
295 kasumi_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
296 struct rte_crypto_sym_xform *xform,
297 struct rte_cryptodev_sym_session *sess,
298 struct rte_mempool *mempool)
300 void *sess_private_data;
302 if (unlikely(sess == NULL)) {
303 KASUMI_LOG_ERR("invalid session struct");
307 if (rte_mempool_get(mempool, &sess_private_data)) {
309 "Couldn't get object from session mempool");
313 if (kasumi_set_session_parameters(sess_private_data, xform) != 0) {
314 KASUMI_LOG_ERR("failed configure session parameters");
316 /* Return session to mempool */
317 rte_mempool_put(mempool, sess_private_data);
321 set_session_private_data(sess, dev->driver_id,
327 /** Clear the memory of session so it doesn't leave key material behind */
329 kasumi_pmd_session_clear(struct rte_cryptodev *dev,
330 struct rte_cryptodev_sym_session *sess)
332 uint8_t index = dev->driver_id;
333 void *sess_priv = get_session_private_data(sess, index);
335 /* Zero out the whole structure */
337 memset(sess_priv, 0, sizeof(struct kasumi_session));
338 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
339 set_session_private_data(sess, index, NULL);
340 rte_mempool_put(sess_mp, sess_priv);
344 struct rte_cryptodev_ops kasumi_pmd_ops = {
345 .dev_configure = kasumi_pmd_config,
346 .dev_start = kasumi_pmd_start,
347 .dev_stop = kasumi_pmd_stop,
348 .dev_close = kasumi_pmd_close,
350 .stats_get = kasumi_pmd_stats_get,
351 .stats_reset = kasumi_pmd_stats_reset,
353 .dev_infos_get = kasumi_pmd_info_get,
355 .queue_pair_setup = kasumi_pmd_qp_setup,
356 .queue_pair_release = kasumi_pmd_qp_release,
357 .queue_pair_start = kasumi_pmd_qp_start,
358 .queue_pair_stop = kasumi_pmd_qp_stop,
359 .queue_pair_count = kasumi_pmd_qp_count,
361 .session_get_size = kasumi_pmd_session_get_size,
362 .session_configure = kasumi_pmd_session_configure,
363 .session_clear = kasumi_pmd_session_clear
366 struct rte_cryptodev_ops *rte_kasumi_pmd_ops = &kasumi_pmd_ops;