1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2021 Intel Corporation
7 #include <rte_common.h>
8 #include <rte_malloc.h>
10 #include "ipsec_mb_private.h"
12 /** Configure device */
14 ipsec_mb_config(__rte_unused struct rte_cryptodev *dev,
15 __rte_unused struct rte_cryptodev_config *config)
22 ipsec_mb_start(__rte_unused struct rte_cryptodev *dev)
29 ipsec_mb_stop(__rte_unused struct rte_cryptodev *dev)
35 ipsec_mb_close(__rte_unused struct rte_cryptodev *dev)
40 /** Get device statistics */
42 ipsec_mb_stats_get(struct rte_cryptodev *dev,
43 struct rte_cryptodev_stats *stats)
47 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
48 struct ipsec_mb_qp *qp = dev->data->queue_pairs[qp_id];
50 IPSEC_MB_LOG(DEBUG, "Uninitialised qp %d", qp_id);
54 stats->enqueued_count += qp->stats.enqueued_count;
55 stats->dequeued_count += qp->stats.dequeued_count;
57 stats->enqueue_err_count += qp->stats.enqueue_err_count;
58 stats->dequeue_err_count += qp->stats.dequeue_err_count;
62 /** Reset device statistics */
64 ipsec_mb_stats_reset(struct rte_cryptodev *dev)
68 for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
69 struct ipsec_mb_qp *qp = dev->data->queue_pairs[qp_id];
71 memset(&qp->stats, 0, sizeof(qp->stats));
75 /** Get device info */
77 ipsec_mb_info_get(struct rte_cryptodev *dev,
78 struct rte_cryptodev_info *dev_info)
80 struct ipsec_mb_dev_private *internals = dev->data->dev_private;
81 struct ipsec_mb_internals *pmd_info =
82 &ipsec_mb_pmds[internals->pmd_type];
84 if (dev_info != NULL) {
85 dev_info->driver_id = dev->driver_id;
86 dev_info->feature_flags = dev->feature_flags;
87 dev_info->capabilities = pmd_info->caps;
88 dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
89 /* No limit of number of sessions */
90 dev_info->sym.max_nb_sessions = 0;
94 /** Release queue pair */
96 ipsec_mb_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
98 struct ipsec_mb_qp *qp = dev->data->queue_pairs[qp_id];
99 struct rte_ring *r = NULL;
102 r = rte_ring_lookup(qp->name);
106 dev->data->queue_pairs[qp_id] = NULL;
111 /** Set a unique name for the queue pair */
113 ipsec_mb_qp_set_unique_name(struct rte_cryptodev *dev,
114 struct ipsec_mb_qp *qp)
117 snprintf(qp->name, sizeof(qp->name), "ipsec_mb_pmd_%u_qp_%u",
118 dev->data->dev_id, qp->id);
120 if (n >= sizeof(qp->name))
126 /** Create a ring to place processed operations on */
127 static struct rte_ring
128 *ipsec_mb_qp_create_processed_ops_ring(
129 struct ipsec_mb_qp *qp, unsigned int ring_size, int socket_id)
132 char ring_name[RTE_CRYPTODEV_NAME_MAX_LEN];
134 unsigned int n = rte_strlcpy(ring_name, qp->name, sizeof(ring_name));
136 if (n >= sizeof(ring_name))
139 r = rte_ring_lookup(ring_name);
141 if (rte_ring_get_size(r) >= ring_size) {
143 INFO, "Reusing existing ring %s for processed ops",
148 ERR, "Unable to reuse existing ring %s for processed ops",
153 return rte_ring_create(ring_name, ring_size, socket_id,
154 RING_F_SP_ENQ | RING_F_SC_DEQ);
157 /** Setup a queue pair */
159 ipsec_mb_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
160 const struct rte_cryptodev_qp_conf *qp_conf,
163 struct ipsec_mb_qp *qp = NULL;
164 struct ipsec_mb_dev_private *internals = dev->data->dev_private;
165 struct ipsec_mb_internals *pmd_data =
166 &ipsec_mb_pmds[internals->pmd_type];
170 /* Free memory prior to re-allocation if needed. */
171 if (dev->data->queue_pairs[qp_id] != NULL)
172 ipsec_mb_qp_release(dev, qp_id);
174 qp_size = sizeof(*qp) + pmd_data->qp_priv_size;
175 /* Allocate the queue pair data structure. */
176 qp = rte_zmalloc_socket("IPSEC PMD Queue Pair", qp_size,
177 RTE_CACHE_LINE_SIZE, socket_id);
182 dev->data->queue_pairs[qp_id] = qp;
183 if (ipsec_mb_qp_set_unique_name(dev, qp)) {
185 goto qp_setup_cleanup;
188 qp->pmd_type = internals->pmd_type;
189 qp->sess_mp = qp_conf->mp_session;
190 qp->sess_mp_priv = qp_conf->mp_session_private;
192 qp->ingress_queue = ipsec_mb_qp_create_processed_ops_ring(qp,
193 qp_conf->nb_descriptors, socket_id);
194 if (qp->ingress_queue == NULL) {
196 goto qp_setup_cleanup;
199 qp->mb_mgr = alloc_init_mb_mgr();
202 goto qp_setup_cleanup;
205 memset(&qp->stats, 0, sizeof(qp->stats));
207 if (pmd_data->queue_pair_configure) {
208 ret = pmd_data->queue_pair_configure(qp);
210 goto qp_setup_cleanup;
217 free_mb_mgr(qp->mb_mgr);
223 /** Return the size of the specific pmd session structure */
225 ipsec_mb_sym_session_get_size(struct rte_cryptodev *dev)
227 struct ipsec_mb_dev_private *internals = dev->data->dev_private;
228 struct ipsec_mb_internals *pmd_data =
229 &ipsec_mb_pmds[internals->pmd_type];
231 return pmd_data->session_priv_size;
234 /** Configure pmd specific multi-buffer session from a crypto xform chain */
236 ipsec_mb_sym_session_configure(
237 struct rte_cryptodev *dev, struct rte_crypto_sym_xform *xform,
238 struct rte_cryptodev_sym_session *sess, struct rte_mempool *mempool)
240 void *sess_private_data;
241 struct ipsec_mb_dev_private *internals = dev->data->dev_private;
242 struct ipsec_mb_internals *pmd_data =
243 &ipsec_mb_pmds[internals->pmd_type];
244 IMB_MGR *mb_mgr = alloc_init_mb_mgr();
250 if (unlikely(sess == NULL)) {
251 IPSEC_MB_LOG(ERR, "invalid session struct");
256 if (rte_mempool_get(mempool, &sess_private_data)) {
257 IPSEC_MB_LOG(ERR, "Couldn't get object from session mempool");
262 ret = (*pmd_data->session_configure)(mb_mgr, sess_private_data, xform);
264 IPSEC_MB_LOG(ERR, "failed configure session parameters");
266 /* Return session to mempool */
267 rte_mempool_put(mempool, sess_private_data);
272 set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
277 /** Clear the session memory */
279 ipsec_mb_sym_session_clear(struct rte_cryptodev *dev,
280 struct rte_cryptodev_sym_session *sess)
282 uint8_t index = dev->driver_id;
283 void *sess_priv = get_sym_session_private_data(sess, index);
285 /* Zero out the whole structure */
287 memset(sess_priv, 0, ipsec_mb_sym_session_get_size(dev));
288 struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
290 set_sym_session_private_data(sess, index, NULL);
291 rte_mempool_put(sess_mp, sess_priv);