#include "rte_cryptodev.h"
#include "rte_cryptodev_pmd.h"
+static uint8_t nb_drivers;
+
struct rte_cryptodev rte_crypto_devices[RTE_CRYPTO_MAX_DEVS];
struct rte_cryptodev *rte_cryptodevs = &rte_crypto_devices[0];
int
rte_cryptodev_sym_capability_check_auth(
const struct rte_cryptodev_symmetric_capability *capability,
- uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
- uint16_t iv_size)
+ uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
{
if (param_range_check(key_size, capability->auth.key_size))
return -1;
if (param_range_check(digest_size, capability->auth.digest_size))
return -1;
- if (param_range_check(aad_size, capability->auth.aad_size))
- return -1;
-
if (param_range_check(iv_size, capability->auth.iv_size))
return -1;
}
int
-rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config,
- struct rte_mempool *session_pool)
+rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
{
struct rte_cryptodev *dev;
int diag;
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->dev_configure, -ENOTSUP);
- dev->data->session_pool = session_pool;
-
/* Setup new number of queue pairs and reconfigure device. */
diag = rte_cryptodev_queue_pairs_config(dev, config->nb_queue_pairs,
config->socket_id);
int
rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
- const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
+ const struct rte_cryptodev_qp_conf *qp_conf, int socket_id,
+ struct rte_mempool *session_pool)
+
{
struct rte_cryptodev *dev;
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_setup, -ENOTSUP);
return (*dev->dev_ops->queue_pair_setup)(dev, queue_pair_id, qp_conf,
- socket_id);
+ socket_id, session_pool);
}
}
-static void
-rte_cryptodev_sym_session_init(struct rte_mempool *mp,
- const struct rte_cryptodev *dev,
- struct rte_cryptodev_sym_session *sess)
+int
+rte_cryptodev_sym_session_init(uint8_t dev_id,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_crypto_sym_xform *xforms,
+ struct rte_mempool *mp)
{
- memset(sess, 0, mp->elt_size);
+ struct rte_cryptodev *dev;
+ uint8_t index;
+ int ret;
- sess->driver_id = dev->driver_id;
- sess->mp = mp;
+ dev = rte_cryptodev_pmd_get_dev(dev_id);
- if (dev->dev_ops->session_initialize)
- (*dev->dev_ops->session_initialize)(mp, sess);
-}
+ if (sess == NULL || xforms == NULL || dev == NULL)
+ return -EINVAL;
+
+ index = dev->driver_id;
+ if (sess->sess_private_data[index] == NULL) {
+ ret = dev->dev_ops->session_configure(dev, xforms, sess, mp);
+ if (ret < 0) {
+ CDEV_LOG_ERR(
+ "dev_id %d failed to configure session details",
+ dev_id);
+ return ret;
+ }
+ }
+
+ return 0;
+}
struct rte_cryptodev_sym_session *
-rte_cryptodev_sym_session_create(uint8_t dev_id,
- struct rte_crypto_sym_xform *xform)
+rte_cryptodev_sym_session_create(struct rte_mempool *mp)
{
- struct rte_cryptodev *dev;
struct rte_cryptodev_sym_session *sess;
- void *_sess;
-
- if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
- CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
- return NULL;
- }
-
- dev = &rte_crypto_devices[dev_id];
/* Allocate a session structure from the session pool */
- if (rte_mempool_get(dev->data->session_pool, &_sess)) {
- CDEV_LOG_ERR("Couldn't get object from session mempool");
+ if (rte_mempool_get(mp, (void *)&sess)) {
+ CDEV_LOG_ERR("couldn't get object from session mempool");
return NULL;
}
- sess = _sess;
-
- rte_cryptodev_sym_session_init(dev->data->session_pool, dev,
- sess);
- RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_configure, NULL);
- if (dev->dev_ops->session_configure(dev, xform, sess->_private) ==
- NULL) {
- CDEV_LOG_ERR("dev_id %d failed to configure session details",
- dev_id);
-
- /* Return session to mempool */
- rte_mempool_put(sess->mp, _sess);
- return NULL;
- }
+ /* Clear device session pointer */
+ memset(sess, 0, (sizeof(void *) * nb_drivers));
return sess;
}
/* The API is optional, not returning error if driver do not suuport */
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
- if (dev->dev_ops->qp_attach_session(dev, qp_id, sess->_private)) {
+
+ void *sess_priv = get_session_private_data(sess, dev->driver_id);
+
+ if (dev->dev_ops->qp_attach_session(dev, qp_id, sess_priv)) {
CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
dev_id, qp_id);
return -EPERM;
/* The API is optional, not returning error if driver do not suuport */
RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
- if (dev->dev_ops->qp_detach_session(dev, qp_id, sess->_private)) {
+
+ void *sess_priv = get_session_private_data(sess, dev->driver_id);
+
+ if (dev->dev_ops->qp_detach_session(dev, qp_id, sess_priv)) {
CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
dev_id, qp_id);
return -EPERM;
return 0;
}
-struct rte_cryptodev_sym_session *
-rte_cryptodev_sym_session_free(uint8_t dev_id,
+
+int
+rte_cryptodev_sym_session_clear(uint8_t dev_id,
struct rte_cryptodev_sym_session *sess)
{
struct rte_cryptodev *dev;
- if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
- CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
- return sess;
- }
+ dev = rte_cryptodev_pmd_get_dev(dev_id);
- dev = &rte_crypto_devices[dev_id];
+ if (dev == NULL || sess == NULL)
+ return -EINVAL;
- /* Check the session belongs to this device type */
- if (sess->driver_id != dev->driver_id)
- return sess;
+ dev->dev_ops->session_clear(dev, sess);
- /* Let device implementation clear session material */
- RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->session_clear, sess);
- dev->dev_ops->session_clear(dev, (void *)sess->_private);
+ return 0;
+}
+
+int
+rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
+{
+ uint8_t i;
+ void *sess_priv;
+ struct rte_mempool *sess_mp;
+
+ if (sess == NULL)
+ return -EINVAL;
+
+ /* Check that all device private data has been freed */
+ for (i = 0; i < nb_drivers; i++) {
+ sess_priv = get_session_private_data(sess, i);
+ if (sess_priv != NULL)
+ return -EBUSY;
+ }
/* Return session to mempool */
- rte_mempool_put(sess->mp, (void *)sess);
+ sess_mp = rte_mempool_from_obj(sess);
+ rte_mempool_put(sess_mp, sess);
- return NULL;
+ return 0;
+}
+
+unsigned int
+rte_cryptodev_get_header_session_size(void)
+{
+ /*
+ * Header contains pointers to the private data
+ * of all registered drivers
+ */
+ return (sizeof(void *) * nb_drivers);
}
unsigned int
rte_cryptodev_get_private_session_size(uint8_t dev_id)
{
struct rte_cryptodev *dev;
+ unsigned int header_size = sizeof(void *) * nb_drivers;
unsigned int priv_sess_size;
if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
+ /*
+ * If size is less than session header size,
+ * return the latter, as this guarantees that
+ * sessionless operations will work
+ */
+ if (priv_sess_size < header_size)
+ return header_size;
+
return priv_sess_size;
}
static struct cryptodev_driver_list cryptodev_driver_list =
TAILQ_HEAD_INITIALIZER(cryptodev_driver_list);
-struct cryptodev_driver {
- TAILQ_ENTRY(cryptodev_driver) next; /**< Next in list. */
- const struct rte_driver *driver;
- uint8_t id;
-};
-
-static uint8_t nb_drivers;
-
int
rte_cryptodev_driver_id_get(const char *name)
{
}
uint8_t
-rte_cryptodev_allocate_driver(const struct rte_driver *drv)
+rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
+ const struct rte_driver *drv)
{
- struct cryptodev_driver *driver;
-
- driver = malloc(sizeof(*driver));
- driver->driver = drv;
- driver->id = nb_drivers;
+ crypto_drv->driver = drv;
+ crypto_drv->id = nb_drivers;
- TAILQ_INSERT_TAIL(&cryptodev_driver_list, driver, next);
+ TAILQ_INSERT_TAIL(&cryptodev_driver_list, crypto_drv, next);
return nb_drivers++;
}
git.droids-corp.org / dpdk.git / blobdiff