1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2016-2017 Intel Corporation
7 #include <rte_common.h>
8 #include <rte_malloc.h>
9 #include <rte_cryptodev_pmd.h>
11 #include "rte_kasumi_pmd_private.h"
13 static const struct rte_cryptodev_capabilities kasumi_pmd_capabilities[] = {
15 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
17 .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
19 .algo = RTE_CRYPTO_AUTH_KASUMI_F9,
36 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
38 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
40 .algo = RTE_CRYPTO_CIPHER_KASUMI_F8,
55 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
58 /** Configure device */
60 kasumi_pmd_config(__rte_unused struct rte_cryptodev *dev,
61 __rte_unused struct rte_cryptodev_config *config)
68 kasumi_pmd_start(__rte_unused struct rte_cryptodev *dev)
75 kasumi_pmd_stop(__rte_unused struct rte_cryptodev *dev)
81 kasumi_pmd_close(__rte_unused struct rte_cryptodev *dev)
87 /** Get device statistics */
89 kasumi_pmd_stats_get(struct rte_cryptodev *dev,
90 struct rte_cryptodev_stats *stats)
94 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
95 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
97 stats->enqueued_count += qp->qp_stats.enqueued_count;
98 stats->dequeued_count += qp->qp_stats.dequeued_count;
100 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
101 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
105 /** Reset device statistics */
107 kasumi_pmd_stats_reset(struct rte_cryptodev *dev)
111 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
112 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
114 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
119 /** Get device info */
121 kasumi_pmd_info_get(struct rte_cryptodev *dev,
122 struct rte_cryptodev_info *dev_info)
124 struct kasumi_private *internals = dev->data->dev_private;
126 if (dev_info != NULL) {
127 dev_info->driver_id = dev->driver_id;
128 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
129 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
130 dev_info->feature_flags = dev->feature_flags;
131 dev_info->capabilities = kasumi_pmd_capabilities;
135 /** Release queue pair */
137 kasumi_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
139 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
142 rte_ring_free(qp->processed_ops);
144 dev->data->queue_pairs[qp_id] = NULL;
149 /** set a unique name for the queue pair based on its name, dev_id and qp_id */
151 kasumi_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
152 struct kasumi_qp *qp)
154 unsigned n = snprintf(qp->name, sizeof(qp->name),
155 "kasumi_pmd_%u_qp_%u",
156 dev->data->dev_id, qp->id);
158 if (n >= sizeof(qp->name))
164 /** Create a ring to place processed ops on */
165 static struct rte_ring *
166 kasumi_pmd_qp_create_processed_ops_ring(struct kasumi_qp *qp,
167 unsigned ring_size, int socket_id)
171 r = rte_ring_lookup(qp->name);
173 if (rte_ring_get_size(r) == ring_size) {
174 KASUMI_LOG_INFO("Reusing existing ring %s"
175 " for processed packets",
180 KASUMI_LOG_ERR("Unable to reuse existing ring %s"
181 " for processed packets",
186 return rte_ring_create(qp->name, ring_size, socket_id,
187 RING_F_SP_ENQ | RING_F_SC_DEQ);
190 /** Setup a queue pair */
192 kasumi_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
193 const struct rte_cryptodev_qp_conf *qp_conf,
194 int socket_id, struct rte_mempool *session_pool)
196 struct kasumi_qp *qp = NULL;
198 /* Free memory prior to re-allocation if needed. */
199 if (dev->data->queue_pairs[qp_id] != NULL)
200 kasumi_pmd_qp_release(dev, qp_id);
202 /* Allocate the queue pair data structure. */
203 qp = rte_zmalloc_socket("KASUMI PMD Queue Pair", sizeof(*qp),
204 RTE_CACHE_LINE_SIZE, socket_id);
209 dev->data->queue_pairs[qp_id] = qp;
211 if (kasumi_pmd_qp_set_unique_name(dev, qp))
212 goto qp_setup_cleanup;
214 qp->processed_ops = kasumi_pmd_qp_create_processed_ops_ring(qp,
215 qp_conf->nb_descriptors, socket_id);
216 if (qp->processed_ops == NULL)
217 goto qp_setup_cleanup;
219 qp->sess_mp = session_pool;
221 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
231 /** Start queue pair */
233 kasumi_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
234 __rte_unused uint16_t queue_pair_id)
239 /** Stop queue pair */
241 kasumi_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
242 __rte_unused uint16_t queue_pair_id)
247 /** Return the number of allocated queue pairs */
249 kasumi_pmd_qp_count(struct rte_cryptodev *dev)
251 return dev->data->nb_queue_pairs;
254 /** Returns the size of the KASUMI session structure */
256 kasumi_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
258 return sizeof(struct kasumi_session);
261 /** Configure a KASUMI session from a crypto xform chain */
263 kasumi_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
264 struct rte_crypto_sym_xform *xform,
265 struct rte_cryptodev_sym_session *sess,
266 struct rte_mempool *mempool)
268 void *sess_private_data;
271 if (unlikely(sess == NULL)) {
272 KASUMI_LOG_ERR("invalid session struct");
276 if (rte_mempool_get(mempool, &sess_private_data)) {
278 "Couldn't get object from session mempool");
282 ret = kasumi_set_session_parameters(sess_private_data, xform);
284 KASUMI_LOG_ERR("failed configure session parameters");
286 /* Return session to mempool */
287 rte_mempool_put(mempool, sess_private_data);
291 set_session_private_data(sess, dev->driver_id,
297 /** Clear the memory of session so it doesn't leave key material behind */
299 kasumi_pmd_session_clear(struct rte_cryptodev *dev,
300 struct rte_cryptodev_sym_session *sess)
302 uint8_t index = dev->driver_id;
303 void *sess_priv = get_session_private_data(sess, index);
305 /* Zero out the whole structure */
307 memset(sess_priv, 0, sizeof(struct kasumi_session));
308 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
309 set_session_private_data(sess, index, NULL);
310 rte_mempool_put(sess_mp, sess_priv);
314 struct rte_cryptodev_ops kasumi_pmd_ops = {
315 .dev_configure = kasumi_pmd_config,
316 .dev_start = kasumi_pmd_start,
317 .dev_stop = kasumi_pmd_stop,
318 .dev_close = kasumi_pmd_close,
320 .stats_get = kasumi_pmd_stats_get,
321 .stats_reset = kasumi_pmd_stats_reset,
323 .dev_infos_get = kasumi_pmd_info_get,
325 .queue_pair_setup = kasumi_pmd_qp_setup,
326 .queue_pair_release = kasumi_pmd_qp_release,
327 .queue_pair_start = kasumi_pmd_qp_start,
328 .queue_pair_stop = kasumi_pmd_qp_stop,
329 .queue_pair_count = kasumi_pmd_qp_count,
331 .session_get_size = kasumi_pmd_session_get_size,
332 .session_configure = kasumi_pmd_session_configure,
333 .session_clear = kasumi_pmd_session_clear
336 struct rte_cryptodev_ops *rte_kasumi_pmd_ops = &kasumi_pmd_ops;