4 * Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
16 * * Neither the name of Intel Corporation nor the names of its
17 * contributors may be used to endorse or promote products derived
18 * from this software without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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,
69 .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
71 .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
73 .algo = RTE_CRYPTO_CIPHER_KASUMI_F8,
88 RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
91 /** Configure device */
93 kasumi_pmd_config(__rte_unused struct rte_cryptodev *dev,
94 __rte_unused struct rte_cryptodev_config *config)
101 kasumi_pmd_start(__rte_unused struct rte_cryptodev *dev)
108 kasumi_pmd_stop(__rte_unused struct rte_cryptodev *dev)
114 kasumi_pmd_close(__rte_unused struct rte_cryptodev *dev)
120 /** Get device statistics */
122 kasumi_pmd_stats_get(struct rte_cryptodev *dev,
123 struct rte_cryptodev_stats *stats)
127 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
128 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
130 stats->enqueued_count += qp->qp_stats.enqueued_count;
131 stats->dequeued_count += qp->qp_stats.dequeued_count;
133 stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
134 stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
138 /** Reset device statistics */
140 kasumi_pmd_stats_reset(struct rte_cryptodev *dev)
144 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
145 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
147 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
152 /** Get device info */
154 kasumi_pmd_info_get(struct rte_cryptodev *dev,
155 struct rte_cryptodev_info *dev_info)
157 struct kasumi_private *internals = dev->data->dev_private;
159 if (dev_info != NULL) {
160 dev_info->dev_type = dev->dev_type;
161 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
162 dev_info->sym.max_nb_sessions = internals->max_nb_sessions;
163 dev_info->feature_flags = dev->feature_flags;
164 dev_info->capabilities = kasumi_pmd_capabilities;
168 /** Release queue pair */
170 kasumi_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
172 struct kasumi_qp *qp = dev->data->queue_pairs[qp_id];
175 rte_ring_free(qp->processed_ops);
177 dev->data->queue_pairs[qp_id] = NULL;
182 /** set a unique name for the queue pair based on its name, dev_id and qp_id */
184 kasumi_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
185 struct kasumi_qp *qp)
187 unsigned n = snprintf(qp->name, sizeof(qp->name),
188 "kasumi_pmd_%u_qp_%u",
189 dev->data->dev_id, qp->id);
191 if (n > sizeof(qp->name))
197 /** Create a ring to place processed ops on */
198 static struct rte_ring *
199 kasumi_pmd_qp_create_processed_ops_ring(struct kasumi_qp *qp,
200 unsigned ring_size, int socket_id)
204 r = rte_ring_lookup(qp->name);
206 if (rte_ring_get_size(r) == ring_size) {
207 KASUMI_LOG_INFO("Reusing existing ring %s"
208 " for processed packets",
213 KASUMI_LOG_ERR("Unable to reuse existing ring %s"
214 " for processed packets",
219 return rte_ring_create(qp->name, ring_size, socket_id,
220 RING_F_SP_ENQ | RING_F_SC_DEQ);
223 /** Setup a queue pair */
225 kasumi_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
226 const struct rte_cryptodev_qp_conf *qp_conf,
229 struct kasumi_qp *qp = NULL;
231 /* Free memory prior to re-allocation if needed. */
232 if (dev->data->queue_pairs[qp_id] != NULL)
233 kasumi_pmd_qp_release(dev, qp_id);
235 /* Allocate the queue pair data structure. */
236 qp = rte_zmalloc_socket("KASUMI PMD Queue Pair", sizeof(*qp),
237 RTE_CACHE_LINE_SIZE, socket_id);
242 dev->data->queue_pairs[qp_id] = qp;
244 if (kasumi_pmd_qp_set_unique_name(dev, qp))
245 goto qp_setup_cleanup;
247 qp->processed_ops = kasumi_pmd_qp_create_processed_ops_ring(qp,
248 qp_conf->nb_descriptors, socket_id);
249 if (qp->processed_ops == NULL)
250 goto qp_setup_cleanup;
252 qp->sess_mp = dev->data->session_pool;
254 memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
264 /** Start queue pair */
266 kasumi_pmd_qp_start(__rte_unused struct rte_cryptodev *dev,
267 __rte_unused uint16_t queue_pair_id)
272 /** Stop queue pair */
274 kasumi_pmd_qp_stop(__rte_unused struct rte_cryptodev *dev,
275 __rte_unused uint16_t queue_pair_id)
280 /** Return the number of allocated queue pairs */
282 kasumi_pmd_qp_count(struct rte_cryptodev *dev)
284 return dev->data->nb_queue_pairs;
287 /** Returns the size of the KASUMI session structure */
289 kasumi_pmd_session_get_size(struct rte_cryptodev *dev __rte_unused)
291 return sizeof(struct kasumi_session);
294 /** Configure a KASUMI session from a crypto xform chain */
296 kasumi_pmd_session_configure(struct rte_cryptodev *dev __rte_unused,
297 struct rte_crypto_sym_xform *xform, void *sess)
299 if (unlikely(sess == NULL)) {
300 KASUMI_LOG_ERR("invalid session struct");
304 if (kasumi_set_session_parameters(sess, xform) != 0) {
305 KASUMI_LOG_ERR("failed configure session parameters");
312 /** Clear the memory of session so it doesn't leave key material behind */
314 kasumi_pmd_session_clear(struct rte_cryptodev *dev __rte_unused, void *sess)
317 * Current just resetting the whole data structure, need to investigate
318 * whether a more selective reset of key would be more performant
321 memset(sess, 0, sizeof(struct kasumi_session));
324 struct rte_cryptodev_ops kasumi_pmd_ops = {
325 .dev_configure = kasumi_pmd_config,
326 .dev_start = kasumi_pmd_start,
327 .dev_stop = kasumi_pmd_stop,
328 .dev_close = kasumi_pmd_close,
330 .stats_get = kasumi_pmd_stats_get,
331 .stats_reset = kasumi_pmd_stats_reset,
333 .dev_infos_get = kasumi_pmd_info_get,
335 .queue_pair_setup = kasumi_pmd_qp_setup,
336 .queue_pair_release = kasumi_pmd_qp_release,
337 .queue_pair_start = kasumi_pmd_qp_start,
338 .queue_pair_stop = kasumi_pmd_qp_stop,
339 .queue_pair_count = kasumi_pmd_qp_count,
341 .session_get_size = kasumi_pmd_session_get_size,
342 .session_configure = kasumi_pmd_session_configure,
343 .session_clear = kasumi_pmd_session_clear
346 struct rte_cryptodev_ops *rte_kasumi_pmd_ops = &kasumi_pmd_ops;